Abstract: An apparatus includes an enclosure designed to house electronics and a ventilation plug fastened to an exterior of the enclosure, the ventilation plug being adapted for field testing hermeticity.

Abstract: A double-use nozzle adapter includes a main body, a switch unit, and a needle unit. The switch unit includes a shifting member and two rigid retaining members. The rigid retaining members are arranged between the shifting member and the main body. The shifting member shifts the rigid retaining member between a first position and a second position. The needle unit is slidably installed in the main body and includes a needle. In the first position, the shifting member drives the rigid retaining member to press against the needle, thereby preventing the needle from moving with respect to the main body and making the needle connectable to a Schrader valve. In the second position, the rigid retaining member moves between the shifting member and the main body, so as to allow the needle to move with respect to the main body and make the needle connectable to a Presta valve.

Abstract: A pressure airlock for an inflator or a gauge for use with a valve stem having exterior threads and a valve core, the pressure airlock including a conduit in fluid communication with the inflator or the gauge. A tip extends from the conduit and includes a bore. A core depressor is positioned within the bore and an inner shoulder surrounds the core depressor. An outer shoulder extends from the inner shoulder and extends beyond the core depressor. A seal is positioned on the inner shoulder and the outer shoulder and extends within the tip.

Abstract: A hose having an upstream end and a downstream end, each of the upstream and downstream ends including a connecting member to connect the hose arrangement to, for example, the high side or the low side of an air conditioning or refrigeration unit, or to a manifold. An intermediate access fitting is provided along the length of the hose, such as a T-shaped fitting, and provides a port to enable the hose arrangement to be connected to a device conveniently and without the necessity of adapters. Also disclosed is a method of evacuating or dehydrating an air conditioning or refrigeration system using the hose.

Abstract: An apparatus for connecting an evacuation hose to a system for evacuation of the system. The apparatus includes a first connector, a second connector, and a seal. The first connector includes a first face defining a longitudinally extending indentation and the second connector includes a second face with a protrusion that is positionable within the indentation. The seal is positionable on the protrusion to circumscribe the protrusion and to be sealing engagement with the first connector and the second connector when the protrusion is at a preferred position in the indentation.

Abstract: An inflation adapter is used for connecting with an inflator unit and assembled to a tire valve, and the inflation adapter has a nozzle body and a sleeve sleeved on the nozzle body. The nozzle body has a ventilation channel, a sealing washer, and at least one locking part. The ventilation channel is formed axially through the nozzle body. The sealing washer is mounted in the bottom end of the ventilation channel. The at least one locking part is radially movable on the nozzle body. A user pushes the sleeve to abut against the at least one locking part to assemble the inflation adapter with the tire valve. The quickly assembling/dissembling inflation adapter saves the operation time and improves the operation convenience for driving safety.

Abstract: In accordance with one aspect, there is provided a sports hydration apparatus configured for utilisation with a particular type of existing fluid reservoir bladder.

Abstract: A system and method for a self-sealing balloon valve having an umbrella valve insert capable of being filled by any individual with small amounts of pressure applied against the insert, the valve removably positioned and secured inside the neck of a balloon whereby the valve allows for one way air flow thus maintaining the air inside of the balloon for prolonged periods of time as well as maintains the valve in the neck of the balloon.

Abstract: A tire inflation pressure control device of this disclosure may be a handheld device temporarily connected to a valve stem of a tire and used to check, add, or reduce pressure as needed. One or more ports of the device may share these functions. In other embodiments, the device may be attached to a rim of the tire and include a toroidal-shaped pressure chamber. Pressure may be increased using an installed pressurizer or one that is temporarily connected when needed. In some embodiments, the pressurizer is a CO2, nitrogen, or nitrogen/argon gas cartridge. Likewise, a pressure gauge may be installed or temporally connected when needed, and used at the same time as the pressurizer.

Abstract: A balloon tool having a U-shaped body, first and second side walls extending outward from an end of the U-shaped body to form a slot between the side walls and the U-shaped body, and a tooth extending outward from the second side wall toward the first side wall to present a gap between a distal end of the tooth and the second side wall. The balloon tool is preferably configured for tying a knot in a balloon by sliding the neck of a balloon into the slot and through the gap, wrapping the neck of the balloon around the U-shaped body, inserting an end of the balloon between the U-shaped body and the portion of the neck wrapped around the U-shaped body, and sliding the neck of the balloon back out through the gap. The balloon tool preferably includes a hollow channel for filling a balloon with fluid.

Abstract: An air valve connecting device includes a housing, a sliding member, a gasket, a follower and an actuating knob. The sliding member is slidably engaged in the housing and has a pathway selectively aligning with a passage of the housing. The gasket is attached to the sliding member for engaging with an inflation valve. The follower is slidably engaged in the sliding member for engaging with the inflation valve. The actuating knob is rotatably attached to the sliding member. The actuating knob is rotatable relative to the sliding member to an angular position where the follower is anchored to the sliding member and to another angular position where the follower is released from the sliding member.

Abstract: A gift box with a self-inflating balloon is designed to be shipped to a recipient through the mail. A lid of the box is configured to be opened and may display a personalized message relating to a special occasion of the recipient. The box includes the balloon, which may be hidden from view in a compartment of the box. The box includes a switch that is configured to be actuated by the recipient. Upon actuating the switch, an inflation device is activated and begins to inflate the balloon, which emerges from the compartment of the box. A vibrating motor inside the box may synchronously cause the box to vibrate. After a pre-determined amount of time, the inflation device and motor deactivate, and a valve seals the air inside the balloon. Once the balloon is inflated, the gift box and balloon may be displayed for the recipient.

Abstract: A field serviceable conduit receiver can include an adapter and a coupling device. The adapter can have an adapter cavity traversing therethrough. The adapter can include an adapter base configured to couple to an end of a conduit, and an adapter body located adjacent to the adapter base. The coupling device can be located adjacent to the adapter and have a coupling device cavity traversing therethrough. The coupling device can include a coupling base configured to be disposed around an outer surface of the conduit, and a coupling body located adjacent to the coupling base, where the coupling body has at least one coupling feature that is configured to removably couple to a complementary coupling feature disposed on a wall of the enclosure.

Abstract: Push On and Pull Off Schrader and Presta Valve Air Filler Pump Head is disclosed. By using a simple sliding motion and a complete redesign on how the nozzle engages the valve, the invention takes into account the natural action of a hand performing the action where the fingers would naturally be especially in a tight space like that of one that could be encountered between spokes. The invention also takes advantage of dominant muscle groups in the hand and fingers to make the motion of valve engagement and disengagement easier.

Abstract: A tool attachable to a valve stem of a tire grips and removes the valve core from the valve stem prior to introduction of sealant through the tool into the tire. Subsequently, the valve core, which has been stored in the tool, may be reinserted into the valve stem. An external pressurized gas source may then be attached to the tool so that gas may be injected through the tool and the valve stem of the tire into the tire.

Abstract: A shock pump adapter includes a communication device configured to include an inner tube and an outer tube. The inner and outer tubes are rotatable with respect to one another. A valve insert fixes to one of two ends of and is rotatable with the inner tube and includes a first channel fluidly connecting to a hollow of the inner tube. An air inlet joint fixes to the other of the two ends of and is rotatable with the inner tube. The air inlet joint includes a second channel fluidly connecting to the hollow of the inner tube and a one-way valve disposed in the second channel. An air outlet joint connects to and is disposed at the other of the two ends of the communication device. The air outlet joint fixes to and is rotatable with the outer tube.

Abstract: A system and method for sampling fluid from a top land piston crevice of a reciprocating piston engine. Access into the crevice is via a bore through the piston wall. A collector receives sampled fluid from the piston crevice, and has a housing, a valve, and a shuttle. The housing is an elongated hollow shell having a bore through its length, with the bore containing the valve and the shuttle. The valve opens to allow sampled fluid to pass along the bore toward the shuttle, when the valve is in an open position. The shuttle serves two purposes: it moves back and forth within the bore, thereby opening the valve, and also provides passages for storing sampled fluid within the housing.

Abstract: A connector structure for a Schrader (American) valve or a Presta (French) valve contains an air connector connected with a Schrader (American) valve or a Presta (French) valve. The Schrader (American) valve includes Schrader (American) threads and a Schrader (American) inlet part; the Presta (French) valve includes Presta (French) threads and a Presta (French) inlet part. The air connector contains a body including a Schrader (American) inserting hole with a Schrader (American) screwing section, a Presta (French) inserting hole, a movable groove, an air intake, and at least one through orifice; a limiting block including a retaining segment with plural locking teeth and including a defining segment; a control set disposed on the body and controlling the defining segment; a stopping rod mounted in and limited by the movable groove, the stopping rod including a confining slot and an abutting segment which correspond to the Schrader (American) inserting hole.

Abstract: An air valve connecting device or attachment includes a housing having an inlet barrel, a sliding member slidably engaged in the housing and having an upper portion extendible out of the housing, the sliding member includes a pathway for selectively aligning with the inlet barrel, a catching element is attached to the sliding member, a gasket is engaged in the catching element, and an inflation valve is engageable into the gasket for depressing the gasket and the catching element and the sliding member to engage into the housing and for moving the sliding member out of the housing, and the inflation valve is detachable from the housing by depressing the sliding member into the housing.

Abstract: A vehicle-carried air compression device includes a case installed with an air compressor therein, a tire repairing container containing a liquid adhesive, and a flexible linking tube. An air inlet coupler of the tire repairing container is connected with an air outlet manifold of the air compressor. An end of the flexible linking tube is coupled to an adhesive outlet coupler of the tire repairing container, and the other end of the flexible linking tube is combined with a protection adapter for coupling to a tire nipple. Before the protection adapter is connected with the tire nipple, the other end of the flexible linking tube is closed by the protection adapter, so that the liquid adhesive in the tire repairing container will not shoot out suddenly because of improper handling.

Abstract: An air valve connecting device or attachment includes a housing having an inlet barrel, a sliding member slidably engaged in the housing and having an upper portion extendible out of the housing, the sliding member includes a pathway for selectively aligning with the inlet barrel, a catching element is attached to the sliding member, a gasket is engaged in the catching element, and an inflation valve is engageable into the gasket for depressing the gasket and the catching element and the sliding member to engage into the housing and for moving the sliding member out of the housing, and the inflation valve is detachable from the housing by depressing the sliding member into the housing.

Abstract: An apparatus includes a housing, a passageway, a pressure release mechanism, and at least one seal. The housing includes a longitudinal axis. The passageway extends through the housing and along the longitudinal axis and has a first end and a second end. The first end is configured to be threadably coupled and to be in fluid communication with a Presta valve of a tire. The second end is configured to be in fluid communication with a hose. The pressure release mechanism communicates with the passageway. The seal communicates with the pressure release mechanism and seals the pressure release mechanism and the passageway.

Abstract: A bi-directional inflating device, comprising: a handle rod comprising an inner tube and an outer tube, an adapter tube communicating with the inner tube, two inflating fittings each having a passage communicating with the adapter tube, a bushing fixed with the outer tube and slidable in parallel to the passages, and two detent assemblies located between two step portions in the bushing and the adapter tube respectively. The inflating fittings each have two grooves formed with a through hole respectively. The detent assemblies each comprise two detents and an elastic piece. The detents each have a body disposed in a corresponding one of the grooves and two end portions extending outwards from the outer surface of the corresponding inflating fitting respectively. The body has an abutting portion that extends through the through hole of the corresponding inflating fitting and is located inside the corresponding passage.

Abstract: An air valve connecting device or attachment includes a housing having an inlet mouth, a sliding member slidably engaged in the housing and extendible out of the housing, the sliding member includes two pathways and two chambers communicating with each other, two gaskets are engaged into the chambers of the sliding member respectively for engaging with different inflation valves, and the outer peripheral walls for forming the chambers of the sliding member are compressible to engage with the gaskets and to grasp and retain the inflation valves and the gaskets in the chambers of the sliding member respectively when either of the outer peripheral walls is engaged into the housing.

Abstract: An attachment apparatus for attachment to the air conduits of a zoned air cell cushion or mattress to an associated valve. The attachment apparatus comprises a connector assembly with connectors secured in the ends of air conduits secured in a conduit constraint. Each air conduit is in fluid communication with a separate inflation zone of the cushion or mattress. The also connectors are in fluid cooperation with a valve that places normally isolated zones into fluid communication and vice versa. The connector assembly may functions as a base for any one of a number of valves.

Abstract: An air valve connecting device or attachment includes a housing having an inlet mouth, a sliding member slidably engaged in the housing and extendible out of the housing, the sliding member includes two pathways and two chambers communicating with each other, two gaskets are engaged into the chambers of the sliding member respectively for engaging with different inflation valves, and the outer peripheral walls for forming the chambers of the sliding member are compressible to engage with the gaskets and to grasp and retain the inflation valves and the gaskets in the chambers of the sliding member respectively when either of the outer peripheral walls is engaged into the housing.

Abstract: A snap-in tire valve for mounting in a valve hole in a wheel rim, having a valve body and a resilient member having an overall shape including a groove and a rib adapted to snap into and be retained in the hole. The resilient member may include a rubber that is the reaction product of ethylene-propylene copolymer elastomer, a peroxide curative, zinc diacrylate or zinc dimethacrylate, and a high-density inert filler, such as barium sulfate. The resilient member may include a first and second rubber members of different compositions from each other and defining two layers under the groove. The thickness of the layer of the first rubber member is preferably greater than the thickness of the layer of the second rubber member.

Abstract: A portable air pump apparatus and method that includes an elongated elongated cylinder portion having a first air channel for transporting compressed air, and an air discharge portion having a connection head, a finger or thumb grip portion, a rotatable thumb-lock lever, and a second air channel extending vertically therethrough the air discharge portion and engagable with an inflation valve of an inflatable object. The second air channel is in communication with the first air channel of the elongated cylinder portion. The rotatable thumb-lock may be rotated within a predetermined range of movement defined substantially by a non-engaged position and an engaged position.

Abstract: A horizontally-triggerable inflation connector includes a casing, a packing unit, and a pull bar. The packing unit is received in the casing. The pull bar is arranged outside the casing and coupled to the packing unit. The pull bar is horizontally and reciprocally movable between a released position and a secured position. When the pull bar is at the released position, the packing unit is set in a released condition and when the pull bar is at the secured position, the packing unit is set in a compressed condition. Thus, the horizontally-triggerable inflation connector is operable to selectively secure or release an air valve so as to achieve convenience of operation.

Abstract: A valve assembly includes a rotary nut unit having a threaded wall portion, a first wall portion near the threaded wall portion and defining a first shoulder, a second wall portion below the first wall portion and defining a second shoulder. A valve stem is disposed within the nut unit, has a lower portion projecting axially and outwardly from the lower end of the nut unit and an upper portion received in the second shoulder. The stem has an axial hole in spatial communication with an axial hole in the nut unit. The upper portion has a head part formed with first and second outward flanges defining a ring-reception recess therebetween. A leak-proof ring is sleeved around the ring-reception recess in the head part to abut hermetically against the second wall portion, thereby providing an air-proof effect between the leak-proof ring and the second wall portion.

Abstract: A connector system and tire assembly includes a tire having a toroidal tire cavity for containing pressurized air, an elongate integral air passageway contained within a flexible tire component, the air passageway extending between an air inlet cavity and an air outlet cavity in the flexible tire component, the air passageway extending for at least a partial circumferential path around the tire, and a metallic connector assembly within the outlet cavity, the connector assembly including a through-channel for conducting air flow communication between the air passageway within the flexible tire component and a chamber of the connector assembly.

Abstract: An air valve connector is threadly engaged to a nozzle head of an air pump, which is eccentrically and pivotally connected with a cam lever. The cam lever is adapted to press against a plug and an airtight ring disposed in the nozzle head to compel the valve connector to connect with different types of air valves such as a French type valve, a German type valve, an English type valve, and an American type valve. The air valve connector is reversed easily between first and second positions to be adapted to connect with the different type valves by the user.

Abstract: An air valve connecting device or attachment includes a housing having an inlet mouth, a gasket engaged into the housing for engaging with an inflation valve, a casing engaged in the housing for compressing the gasket to grasp the inflation valve to the housing, and the casing includes a compartment communicative with the gasket for engaging with a valve piece which selectively blocks the casing, a spring biases the valve piece to engage with the casing, an actuator is engageble with the casing for compressing the gasket to grasp the inflation valve to the housing, and the actuator includes a valve member for preventing an air leaking problem from being occurred by the inflation valves.

Abstract: A multipurpose tire valve tool is provided for the purposes of maintenance of a Schrader valve and for replacing the tube of a pneumatic tire. The tool comprises a valve core removal key, a valve stem tap arm, a first air inlet end, and a second valve stem attachment end. Through the body of the tool is an air conduit and an internal valve core post for depressing the same. A check valve along the air inlet end allows air to be communicated into the tool, whereby the air flows therethrough and into an attached Schrader valve for filling the tire tube while the tool is thereattached. The tool facilitates removal of the valve core, cleaning of the valve stem threads, and filling the tire or tire tube with air while the tool maintains the position of the valve stem through the rim.

Abstract: This is a pneumatic device used to transfer air from an inflated tire to a deflated tire using a flexible tube and methods of use. The transfer tube is flexible and allows sealed air to transfer through in one direction by using standard screw-on valve connectors on each end and a one-way check valve intersecting the tubing, thus preventing a loss of air from the tire being inflated using no other gauges or mechanical devices.

Abstract: An air passageway switchable pump head includes a housing defining a first air outlet passageway, an air intake passageway and a second air outlet passageway, a connection member mounted in the housing for connection to a valve, a switch valve consisting of a valve seat, a valve body and a spring member, and an operating member mounted at one end of the housing and operable to move the switch valve between a first position where a first air passageway of the switch valve is closed, allowing air communication between a second air passageway of the switch valve and the second air outlet passageway, and a second position where the valve body is moved toward the valve seat and closed on the valve seat to block the second air passageway of the switch valve and the first air passageway of the switch valve is opened.

Abstract: A valve of the “Snap-In” type is intended to be mounted directly on the rim of a vehicle wheel fitted with a “tubeless” tire. The valve is secured to the rim through which it passes via a groove produced at the base of a bulb extended by a rubbery coating of an internal nozzle of the valve. The groove collaborates elastically with a hole in the rim, on the periphery of which hole it becomes lodged, the mass or the volume of the bulb being smaller in its region (A) toward the interior of the rim by comparison with its region (B) directed toward the exterior, this reduction taking place near the groove intended to collaborate with the hole in the rim, both in the part thereof that surrounds the nozzle and in the part thereof that is in contact with the bottom of the rim.

Abstract: An air valve connector is threadly engaged to a nozzle head of an air pump, which is eccentrically and pivotally connected with a cam lever. The cam lever is adapted to press against a plug and an airtight ring disposed in the nozzle head to compel the valve connector to connect with different types of air valves such as a French type valve, a German type valve, a English type valve, and an American type valve. The air valve connector of the present invention is reversed easily between first and second positions to be adapted to connect with the different type valves by the user.

Abstract: A pump nozzle includes a housing body including a lateral edge. The lateral edge defines a valve connecting end and a lever connecting end. A lever is connected to the lever connecting end and is operably pivotal between a first position and a second position. Also, the lever includes a first extension and a second extension extending therefrom and angled thereto. When the lever is in the first position, its first extension is disposed in and adjacent to the lateral edge and is oriented towards the top edge of the housing body, and its second extension is disposed in and adjacent to the top edge and is orientated towards the valve connecting end of the housing body. When the lever is in the second position, the first and second extensions are disposed outside the lateral edge and top edge of the housing body, respectively.

Abstract: A head for an air pump includes a housing, a nozzle, an urging mechanism, and an end cap. The housing includes a first compartment defined therein and including a first end defining an opening port and a second end enclosed by an end wall. The housing further includes a hole extending therethrough and into the first compartment. The nozzle device is disposed within the first compartment. The urging mechanism includes a cam, an axle and a pivoting member. The cam is disposed in the first compartment and abuts against the nozzle device. The axle is inserted into the housing through the holes and engages with the cam. The pivoting member is connected to the cam by engaging with a terminal end of the axle.

Abstract: A telescopic pump nozzle for a pump includes a shaft having a first end and a second end, a channel formed therein and communicating the first end with the second end, and a threadedly coupled portion defined at the first end, and in addition, the second end is coupled to an air pipe of the pump. A tube has a first end and a second end and includes first and second connected sections formed on the inner wall of the first end, a compartment defined in the second end, and at least one O-ring mounted on the shaft and abutted against the inner wall of the compartment in an air-tight manner. The second connected section is provided between the first connected section and the compartment. The shaft is slideably disposed in the compartment of the tube. The threadedly coupled portion is selectively coupled to the second connected section.

Abstract: A Schrader (American) valve /Presta (French) valve dual-mode valve cap includes a casing having an axle hole and a through hole kept in communication, a rotating device rotatably mounted in the axle hole and having two opposing heads respectively disposed outside the axle hole with a respective screw hole defined therein for the connection of a Schrader (American) valve or Presta (French) valve, an accommodation chamber in communication between the two screw holes, an annular air passage defined in between the rotating device and the casing, a through hole in communication with the annular air passage and the accommodation chamber and two seal rings mounted on the periphery thereof at two sides of the annular air passage, a valve block movable back and forth in the accommodation chamber and having a seal ring mounted on the periphery thereof to divide the accommodation chamber into two spaces, and a spring member stopped between the valve block and a part of the rotating device to force the valve block toward

Abstract: A Schrader (American) valve/Presta (French) valve dual-purpose valve cap includes a casing comprising an axle hole, an end portion, and a through hole; a rotating device comprising a rod-like body and two heads, each head having a screw hole, the screw hole of one head being adapted for receiving a Presta valve, the screw hole of the other head being adapted for receiving a Schrader valve, the rod-like body comprising an accommodation chamber, two through holes and an annular groove, the annular groove defining an annular air passage, the rod-like body defining a through hole; two O-shaped seal rings sealed the annular air passage; and a ball accommodated in the accommodation chamber; wherein two semispherical recesses respectively formed on an inside wall of the accommodation chamber; the ball has a radius smaller than the radius of the semispherical recesses and greater than the radius of the through hole of each of the two heads.

Abstract: A high-pressure inflation pump includes a head, a nozzle, a piercing member, and a resilient member. The head includes a compartment, a passageway, and a threaded section. The piercing member includes a base, a piercing portion, and an air guiding hole. The piercing portion includes an annular abutting shoulder for pressing against an end face of a threaded end of a high-pressure gas container engaged with the threaded section of the head, providing an airtight state. The resilient member includes a support end, a pressing end, and a chamber. The piercing member is received and positioned in the chamber without blocking flow of gas in the high-pressure gas container into the air guiding hole, allowing rapid inflation of a tire engaged with the nozzle and allowing the high-pressure gas container to be used many times to save resources.

Abstract: A nozzle device includes a body, a controller and a core set. The controller is pivotally mounted on the body and is pivotable with respect to the body between a first position and a second position. The core set is slideably received in the body. While the controller is in the first position, the core set is slideable in the chamber and is adapted for coupling with a French type valve. While the controller is in the second position, the core set is fixed and is adapted for coupling with an American type valve.

Abstract: A nozzle device comprises a body, a controller and a core set. The controller is pivotally mounted on the body and is pivotable with respect to the body between a first position and a second position. The core set is slideably received in the body. While the controller is in the first position, the core set is slideable in the chamber and is adapted for coupling with a French type valve. While the controller is in the second position, the core set is fixed and is adapted for coupling with an American type valve.

Abstract: An apparatus includes a housing, a passageway, a pressure release mechanism, and at least one seal. The housing includes a longitudinal axis. The passageway extends through the housing and along the longitudinal axis. The passageway has a first end and a second end. The first end is configured to be threadably coupled and to be in fluid communication with a Presta-type valve of a tire. The second end is configured to be in fluid communication with a hose. The pressure release mechanism communicates with the passageway. The seal communicates with the pressure release mechanism and seals the pressure release mechanism and the passageway. The seal is effective to prevent pressure from escaping the passageway when the pressure release mechanism is not actuated. Actuation of the pressure release mechanism is effective to release pressure from the hose to the exterior of the apparatus and prevent detachment of any portion of the Presta-type valve as the apparatus is removed from the Presta-type valve.

Abstract: An inflation nozzle includes a first part having a first threaded passage defined centrally therethrough and a connection ring is threadedly connected to a first end of the first part. An insertion is formed on a second end of the first part and is engaged with a first chamber of a central member which is received in a second part. The central member is connected with a tire pump. The first passage is sized to be connected with a French valve and the connection ring is sized to be connected with an American valve.

Abstract: An inflation device includes a central tube, a first mounting unit mounted onto an outside of a reception end of the central tube and a second unit connected to a connection portion on the other end of the central tube. The first mounting unit includes a first casing and an end cap, and the reception end includes a valve mouth and a core tube received therein. The second mounting unit includes inner threads that are connected with the connection portion. A groove is defined in the second mounting unit and an O-ring is engaged with the groove. The first and second mounting units can be connected with an American style tire valve and a French style tire valve, respectively. The first and second mounting units each have outer threads with the same diameter so as to be connected with a tire pump.

Abstract: A telescopic pump nozzle for a pump includes a shaft having a first end and a second end, a channel formed therein and communicating the first end with the second end, and a threadedly coupled portion defined at the first end, and in addition, the second end is coupled to an air pipe of the pump. A tube has a first end and a second end and includes first and second connected sections formed on the inner wall of the first end, a compartment defined in the second end, and at least one O-ring mounted on the shaft and abutted against the inner wall of the compartment in an air-tight manner. The second connected section is provided between the first connected section and the compartment. The shaft is slideably disposed in the compartment of the tube. The threadedly coupled portion is selectively coupled to the second connected section.