Abstract: An anti-jet joint structure of a connection hose of a vehicle air compressor contains: an accommodation box, an adhesive supply can, and a connection hose. The accommodation box accommodates the vehicle air compressor started by a power to produce air. The adhesive supply can accommodates chemical adhesive for repairing a tire, and the adhesive supply can includes an open segment and a supply hose. The connection hose includes a first joint and a second joint opposite to the first joint. The first joint is engaged with the supply hose, and the second joint is screwed with a gas nozzle of the tire. The second joint is the anti-jet joint structure and has a first connection assembly and a second assembly. The first connection assembly is connected with or is removed from the second connection assembly having different interior structures and volumes so as to mate with various tires.

Abstract: An air inflator device contains: an accommodation box and an air compressor. The accommodation box includes a cap and a case, and the air compressor and an air guiding mechanism are received in the cap and the case. The air guiding mechanism is configured to frame a cooling fan which is rotatably with a motor of the air compressor. A flowing orifice is defined by the first directing portion and the second directing portion, and a first semicircular cover and a second semicircular cover of the air guiding mechanism are configured to collect and guide airs so that the cooling fan rotates to guide the airs to the air compressor quickly, thus dissipating heat and prolonging a service life of the air compressor.

Abstract: An air pipe device of an air compressor contains a connector of an air pipe configured to output fluid pressure so as to inflate airs and to feed sealant when the air compressor operates. The air pipe device contains a connection pipe, and the connection pipe includes an open segment defined on a first end thereof and configured to connect with the connector of the air pipe of the air compressor. In addition, the connection pipe includes a stop segment formed on a second end thereof, such that the connection pipe is configured to connect a twin tire with the connector of the air compressor so as to inflate airs and feed sealant.

Abstract: A positioning structure of a motor of an air compressor contains: a base, a cylinder, the motor, and a transmission mechanism. The base includes a first locating orifice and a second locating orifice. The cylinder includes an air storage seat. A small-diameter gear is fitted on the motor via the first locating orifice. A bearing housing of the motor is accommodated in the first locating orifice. The transmission mechanism actuates a piston to move in the cylinder reciprocately. The base includes two symmetrical elongated plates having two hooks respectively and includes two symmetrical arcuate retainers. An outer wall of the motor is retained by the two symmetrical arcuate retainers, and the two hooks are engaged with the magnetic coil.

Abstract: A connection structure for a motor of an air compressor contains: a base, a cylinder, a motor, and a transmission mechanism. The base includes a first positioning orifice and a second positioning orifice. The cylinder includes an air storage seat. A small-diameter gear is inserted through the first positioning orifice to fit on the motor, a bearing housing is accommodated in the first positioning orifice, and the motor includes a magnetic coil. The transmission mechanism actuates a piston to move in the cylinder reciprocately so as to compress air. The magnetic coil includes a first segment and a second segment, and the base includes two symmetrical elongated plates which respectively have two hooks. The base further includes two symmetrical arcuate retainers.

Abstract: A method of mounting a bearing to an air compressor including a shaft element having a first end and a second is disclosed, which includes the steps of: fixing the second end of the shaft element to a center of a gear; inserting the first end of the shaft element through a central hole of a bearing to have an annular step of the shaft element abutted an inner ring of the bearing; and hitting the first end of the shaft element by a striking tool to form an expanded or flared edge on a top face of the first end of the shaft element. With the method, the bearing can be firmly fixed between the expanded or flared edge and the annular step of the shaft element.

Abstract: A check structure for a connection of an air nozzle of a tire and a connection hose of an air compressor, the air compressor contains: a box, a sealant supply can, and a connection hose. The box includes a body of the air compressor. The sealant supply can includes an open segment and a supply tube. The connection hose includes a first segment and a second segment. The second segment has a check connector which includes a fitting sleeve, and the fitting sleeve has a threaded orifice, a through orifice, and a projected shoulder. A cylindrical base includes a hollow room, a stepped coupling segment, a conduit, and a tilted fence. A valve bolt includes a post, a connecting disc, multiple peripheral channels, a neck, multiple spaced slots, and a seal ring. A first spring is received into the conduit from the stepped coupling segment of the cylindrical base.

Abstract: An air compressor contains: a box in which the air compressor and a sealant supply device are accommodated. The air compressor is configured to produce high-pressure airs, and the sealant supply device has an air inlet pipe and a supply pipe. An air outlet pipe of the air compressor is connected with the air inlet pipe, and the air compressor is detachable from the sealant supply device. The air inlet pipe is configured to receive the high-pressure airs from the air compressor, the supply pipe is configured to output chemical sealant from the sealant supply device, and a tube is configured to communicate the air inlet pipe with the supply pipe. A rotation element includes a driven portion and a central stem. The rotation element is fitted on the second sub-tube. The central stem of the rotation element abuts against a top of the tube.

Abstract: A check joint structure for a connection of an air nozzle of a tire and a connector of a connection hose of an air compressor, the air compressor contains: a box, a sealant supply can, and a connection hose. The box includes a body of the air compressor. The sealant supply can includes an open segment and a supply tube. The connection hose includes a first segment and a second segment. The second segment has a check connector which includes a fitting sleeve, and the fitting sleeve has a threaded orifice, a through orifice, and a projected shoulder. A cylindrical base includes a cylindrical room, a stepped coupling segment, a conduit, and a first stepped portion. A first spring is received into the cylindrical room to abut against the first stepped portion. A valve bolt includes a contacting element fitted thereon.

Abstract: A method of mounting a bearing to an air compressor including a shaft element having a first end and a second is disclosed, which includes the steps of: fixing the second end of the shaft element to a center of a gear; inserting the first end of the shaft element through a central hole of a bearing to have an annular step of the shaft element abutted an inner ring of the bearing; and hitting the first end of the shaft element by a striking tool to form an expanded or flared edge on a top face of the first end of the shaft element. With the method, the bearing can be firmly fixed between the expanded or flared edge and the annular step of the shaft element.

Abstract: An air compressor contains: a torque gear on which a central orifice and a connection rod are arranged. The central orifice has screw threads defined thereon and corresponds to one of multiple positioning orifices of a base, the one positioning orifice is configured to accommodate a bearing, and a screw bolt is inserted through the bearing in the base so as to screw with the central orifice via the torque gear. The connection rod of the torque gear is rotatably connected with a piston so that the piston moves in a cylinder to produce compressed air, the torque gear matingly contacts with the bearing along the screw bolt, and the bearing is not broken in the one positioning orifice, thus moving the piston in the cylinder reciprocately.

Abstract: A method of mounting a bearing to an air compressor including a shaft element having a first end defining a central cylindrical recess and a second is disclosed, which includes the steps of: fixing the second end of the shaft element to a center of a gear; inserting the first end of the shaft element through a central hole of a bearing to have an annular step of the shaft element abutted an inner ring of the bearing; and hitting the first end of the shaft element by a striking tool with a central pin to form an outwardly extending rim on the first end of the shaft element. With the method, the bearing can be firmly fixed between the outwardly extending rim and the annular step of the shaft element.

Abstract: A support device for a tire sealant inflator contains: a C-shaped rib on which two spaced plates are engaged when inflating and supplying sealant into a broken tire, and the tire sealant inflator and the support device are connected so as to exert the tire sealant inflator stably. The support device further contains a base, and the base includes a C-shaped holder formed thereon, an opening defined on a side of the C-shaped holder, and the C-shaped rib extending inward from a top of the C-shaped holder.

Abstract: A method of mounting a bearing to an air compressor including a shaft element having a first end defining a central cylindrical recess and a second is disclosed, which includes the steps of: fixing the second end of the shaft element to a center of a gear; inserting the first end of the shaft element through a central hole of a bearing to have an annular step of the shaft element abutted an inner ring of the bearing; and hitting the first end of the shaft element by a striking tool with a central pin to form an outwardly extending rim on the first end of the shaft element. With the method, the bearing can be firmly fixed between the outwardly extending rim and the annular step of the shaft element.

Abstract: A combination structure for a hose connected between a tire and an air compressor is disclosed. The air compressor includes a box in which a compressor unit and a sealant bottle are installed. The sealant bottle has an inlet and an outlet. The inlet of the sealant bottle is connected to one outlet tube of the compressor unit. The hose has a first end and a second end. The first end of the hose is adapted to be connected to the outlet tube of the sealant bottle. The second end of the hose can be connected to the combination structure, which generally includes a cap, a core element, and a plug. With the combination structure, the chemical sealant contained in the sealant bottle can be prevented from flowing out to contaminate objects due to incorrect operation or negligence.

Abstract: An anti-spray structure for a connection of an air nozzle of a tire of a vehicle and a connection hose of an air compressor, and the air compressor contains: a box, a sealant supply can, and a connection hose. The box accommodates the air compressor. The sealant supply can includes an open segment and a supply tube. The connection hose includes a first segment and a second segment. The second segment has an anti-spray connector including a fitting sleeve. The fitting sleeve has a threaded orifice, a through orifice, and a projected shoulder. A cylindrical base includes a cylindrical room, a stepped coupling segment, a conduit, and a first stepped portion. A first spring is received into the cylindrical room. A valve bolt includes a post, a connecting disc, spaced slots, and a first seal ring. A lock element includes a hollow cavity, a hexagonal tab, and a tilted extension.

Abstract: An anti-spray joint structure for a connection of an air nozzle of a tire and a connection hose of an air compressor, the air compressor contains: a box, a sealant supply can, and a connection hose. The box includes a body of the air compressor. The sealant supply can includes an open segment and a supply tube. The connection hose includes a first segment and a second segment. The second segment has an anti-spray connector which includes a fitting sleeve, and the fitting sleeve has a threaded orifice, a through orifice, and a projected shoulder. The cylindrical base includes a cylindrical room, a stepped coupling segment, a conduit, and a first stepped portion. The valve bolt includes a post, a connecting disc, multiple spaced slots, and a first seal ring. A lock element includes at least one tangent plane, a stem, and a hollow cavity.

Abstract: An air compressor having a pressure gauge, the pressure gauge contains: a hollow tube, a drive element, an anti-leak spring, a resilient element, and a cap. The hollow tube includes an accommodation chamber, a connector having a conduit, and a display unit. The drive element includes a protection unit, a first open segment, a second distal segment, a receiving portion, a hollow extension, and a protrusion. An anti-leak spring is received in the hollow extension of the drive element and abuts against the protrusion and the protection unit. The resilient element is received in the receiving portion. The cap includes a seat, a push bolt, and multiple passages. The accommodation chamber has a first fixing section and a second fixing section, a diameter of which is different from that of the first fixing section. The hollow tube further includes a tilted surround section and at least one discharge orifice.

Abstract: An air compressor having a pressure gauge, the pressure gauge contains: a hollow tube, a drive element, an anti-leak spring, a resilient element, and a cap. The hollow tube includes an accommodation chamber, a connector having a conduit, and a display unit. The drive element includes a protection unit, a first open segment, a second distal segment, a receiving portion, a hollow extension, and a protrusion. An anti-leak spring is received in the hollow extension of the drive element, a first end of the anti-leak spring abuts against the protrusion, and a second end of the anti-leak spring contacts with the protection unit. The resilient element is received in the receiving portion of the drive element. The cap includes a seat, a push bolt, and multiple passages. An end of the resilient element contacts with the cap.

Abstract: A display structure of a pressure gauge of an air compressor, the air compressor is received in an accommodation box, and a scale portion of the pressure gauge is viewable via a displaying opening of the accommodation box, the pressure gauge includes a cylindrical body which is transparent and is formed in a pen shape, and the pressure gauge includes a colored O-ring configured to indicate a pressure value of the scale portion. The scale portion is not printed on the cylindrical body of the pressure gauge and includes a transparent panel on which the pressure value of the scale portion is marked on an internal face of the transparent panel, and the internal face faces the cylindrical body of the pressure gauge.