Abstract: The present invention provides a wrench, and its structure includes a guide rod, a first pawl mounted on the guide rod, a sliding member sheathed on the guide rod, a second pawl mounted on the sliding member and matching with the first pawl, and a toothed block disposed on the sliding member and matching with the guide rod. The toothed block has a first position and a second position. When the toothed block is in the first position, the toothed block is slidable along the guide rod toward the first pawl, and is locked in the direction away from the first pawl. When the toothed block is in the second position, the toothed block is slidable along the guide rod toward or away from the first pawl.

Abstract: The present invention discloses a force relieving mechanism and a ratchet clamp having a force relieving mechanism. The force relieving mechanism includes a first ratchet member, a second ratchet member, a locking member, an actuating member and a restoring member. A first clamp arm of the ratchet clamp is fixedly arranged with a first ratchet member having a first set of ratchets, and a second ratchet member having a second set of ratchets is coupled to the second clamp arm. The second ratchet member is provided with a first hole, the locking member passing through the first hole and being rotatable and translationally movable in the first hole. The actuating member applied a first actuation and a second actuation in turn to the locking member so as to cause the second set of ratchets to be detached from the first set of ratchets.

Abstract: An example pair of locking pliers comprises a first gripping head, a second gripping head, a first handle and a second handle, the first gripping head being mounted to the first handle, the second gripping head being pivotably mounted to the first handle and pivotably mounted to the second handle via a first joint. The pair further comprises a single connecting rod, a sliding mechanism and a locking mechanism, one end of the connecting rod mechanism being pivotably mounted to the second handle via a second joint, the other end being pivotably mounted to the sliding mechanism via a third joint, the sliding mechanism and the locking mechanism being slidably mounted to the first handle.

Abstract: The present invention discloses a stud sensor, which is used for detecting the object hidden behind a surface, including a first capacitor plate, a second capacitor plate, a first detection circuit coupled to the first capacitor plate, a second detection circuit coupled to the second capacitor plate and a micro control unit. The first detection circuit processes the voltage signal corresponding to the first capacitance of the first capacitor plate and outputs a first voltage signal to the micro control unit. The second detection circuit processes the voltage signal corresponding to the second capacitance of the second capacitor plate and outputs a second voltage signal to the micro control unit. The micro control unit compares the first voltage signal and the second voltage signal to determine the position information including the central position of the object.

Abstract: The present invention discloses a utility knife, which includes a housing that has an internal chamber; a blade carrier for carrying a single blade; a locking piece for locking the single blade in the blade carrier; and a spare blade cartridge for storing more than one spare blade. The blade carrier, the locking piece and the spare blade cartridge are arranged in the internal chamber. The blade carrier is arranged to be movable between a first position and a second position, and when the blade carrier is at the first position, the blade carried by the blade carrier extends out of the housing, when the blade carrier is at the second position, the blade carried by the blade carrier retracts into the housing.

Abstract: The present invention provides a cleaning tool comprising a tool head device and a handle portion, the tool head device comprises a cutting edge, and the handle portion is rotatably connected to the tool head device; the cutting edge is exposed outside of the handle portion in the use state; and the cutting edge is entirely or partially covered by the handle portion in the non-use state.

Abstract: The present invention discloses a blocking member for the tape end, which comprises a connecting part that extends horizontally and connects with the tape end and a lower blocking member which extends downward from the connecting part, wherein the blocking member further comprises a hook extending upward from the connecting part in order to perform length measurement conveniently for pipelines, wire cables and objects in vertical. The blocking member of the present invention is more stable than a plane hook, when in use, especially measuring a relatively long object, it is more difficult to be taken off, and it is of low cost and does not affect the tapeline assembling. The present invention also provides a tapeline with the aforementioned blocking member.

Abstract: The present invention first provides a utility knife with a replaceable blade, comprising a knife handle, a blade holder, a blade and a locking device that locks the blade in the blade holder. The blade holder and the blade are enabled to switch between a first position and a second position. When the blade holder and the blade are in the first position, the blade is used for cutting operation, and when the blade holder and the blade are in the second position, both the blade holder and the blade are received in the knife handle. The utility knife further includes a restriction means which is thus arranged as, when the blade holder is in the second position and the locking device is in unlocked state, the restriction means is used for preventing the detachment of the blade from the blade holder by confining the movement of the blade relative to the blade holder.

Abstract: The present invention discloses a working light, comprising a base, an illumination member and a switch control, a battery is arranged inside said base to supply power to said illumination member, said base is connected to said illumination member by a connection portion, said base and said illumination member are respectively connected to said connection portion by the same connection structures. By this arrangement, said base cannot be connected to said illumination member directly, users would not make mounting errors in use. In a preferred embodiment of the present invention, said connection portion is a serpentine hose or a joint-sleeve, wherein the serpentine hose includes a corrugated pipe and an internal star-shaped pipe, a wire and an iron wire which are arranged inside the corrugated pipe, this serpentine hose couples stiffness with toughness, after adjusting the curved shape, it is not easily deformed.

Abstract: The present invention provides a screwdriver which includes a shaft, a handle and a speed increasing mechanism, in which the speed increasing mechanism includes a central axle connected to the shaft and provided with a toothed part on its periphery, a first member is disposed in the interior of the handle, at least one gear is connected to the first member, and a geared sleeve is sheathed outside the gear, in which the inner side of the geared sleeve has teeth on corresponding positions, engaging with the gear which is disposed at a side part of the central axle and is engaged with the toothed part of the periphery of the central axle. The present invention also includes a locking mechanism addressing the problem of torque being not high.

Abstract: The present invention provides a spirit level having reflection bubble which comprises an elongate body, a first surface and a second surface, a cavity which has an opening on the second surface is arranged between the first surface and the second surface; the spirit level arranged in the cavity comprising: a non-opaque body having a slope and a first viewing plane; a bubble component has a longitudinal axis perpendicular to the first surface is mounted in the body of the level, and the first surface is mounted between the first end of the bubble component and the measured surface, the first viewing plane is mounted between the second end of the bubble component and user; the image of the bubble component is formed by the reflection of the slopes; users can observe the image of bubble component from the first viewing plane via reflected by the slope.

Abstract: A hand tool provided with a first handle, a second handle, a first working portion, a second working portion and a working portion connecting mechanism. The first handle is fixedly connected to the first working portion, the second handle is pivotably connected to the second working portion, and the second working portion is connected to the first working portion through the working portion connecting mechanism, the second working portion has a first position and a second position, and the working portion connecting mechanism causes the second working portion to be moved from the first position to the second position when the second handle is moved from away from the first handle to closer to the first handle. The first position is the position where the second working portion is located away from the first working portion, and the second working portion is rotated and translated relative to the first working portion when the second working portion is in the second position.

Abstract: Disclosed is a wrench, which is used for wrenching a workpiece and comprises a unidirectional transmission mechanism. The unidirectional transmission mechanism comprises rollers, a first member and a second member at least partially sheathed in the first member. The first member is fixedly provided at a wrenching portion of the wrench, and the second member is used for mating with the workpiece. The directions of the rotating torque from the wrenching portion are a first direction and a second direction along the axis of rotation of the first member. With regard to one of the rotating torque of the first direction and the rotating torque of the second direction, the second member is stationary relative to the first member so as to output the rotating torque to the workpiece; and with regard to the other one thereof, the second member rotates relative to the first member without outputting the rotating torque to the workpiece.

Abstract: A manual tool capable of unfolding only one work accessory comprises a handle (11, 21), a first work accessory (12, 22) and a second work accessory (13, 23) that are connected to the handle through a pivot and can be unfolded and folded, and an associated accessory (14, 24). The associated accessory can transform the working state from a folding state to an unfolding state. When the first work accessory and the second work accessory are both folded, the associated accessory does not prevent any work accessory from unfolding; and when one of the two work accessories is unfolded and the other one is folded, the associated accessory prevents the other one from unfolding, so as to ensure that only one work accessory can be unfolded during use, thereby eliminating the safety risk caused by unfolding multiple work accessories at the same time.

Abstract: The present invention provides a spirit level having reflection bubble which comprises an elongate body, a first surface and a second surface, a cavity which has an opening on the second surface is arranged between the first surface and the second surface; the spirit level arranged in the cavity comprising: a non-opaque body having a slope and a first viewing plane; a bubble component has a longitudinal axis perpendicular to the first surface is mounted in the body of the level, and the first surface is mounted between the first end of the bubble component and the measured surface, the first viewing plane is mounted between the second end of the bubble component and user; the image of the bubble component is formed by the reflection of the slopes; users can observe the image of bubble component from the first viewing plane via reflected by the slope.

Abstract: The present invention provides a hand tool with reliable connections comprising: a working unit having a working end and a handle end opposite to the working end; a handle being mounted on the handle end of the working unit and having a working unit end and a knocking unit end; a knocking unit being mounted on the knocking unit end of the handle. The connecting part between the knocking unit and the handle end of the working unit is a contacting surface, the handle end or the contacting surface is configured as a deformable and non-rigid contact, realizing the reliable connection between the working unit and the knocking unit. The deformable and non-rigid contact is realized by the configuration of at least one of the contacting surface and the handle end being configured to be tooth-shaped, the tooth-shape can deform and form a gapless engagement with the contacting surface.

Abstract: The present invention provides a clamp, comprising a first clamp body and a second clamp body. The first clamp body comprises a first clamp jaw and a first handle, movably connected to each other. The first clamp jaw is rotatably connected to the second clamp body at a first connecting position, and the first handle is rotatably connected to the second clamp body at a second connecting position. When the relative position of the first clamp jaw and the first handle is changed, a force occurs between the first clamp jaw and the first handle. A moment formed by the force with the first connecting position as a fulcrum is greater than a moment formed by the force with the second connecting position as a fulcrum. The present invention adapts two lever systems, such that equivalent force arms in actual use are increased without changing the tool size, achieving the purpose of labor-saving.

Abstract: A wrench with translational wrench jaw comprises a first wrench jaw, a first handle and a connection portion; a second handle and a second wrench jaw; a first connecting rod, connected with the first handle, a first end of the first connecting rod being arranged with an elastic component; a second connecting rod, connected with the second handle, a first end of the second connecting rod being arranged with an elastic component, the second end of the first connecting rod being connected with the second end of the second connecting rod. The wrench with translational wrench jaw provided by the present invention is suitable for gripping various workpieces; adopting two-stage transmission can provide greater gripping force, being more efficient and avoiding structural damage, thus prolonging the service life; By adopting locking mechanism can release operator's hands and be more convenient.

Abstract: The present invention provides a power-assisted folding knife, including: a blade holder; a blade arranged in the blade holder; a handle rotatably connected to the blade holder; a locking mechanism for locking the blade holder in an unfolded position and/or a folded position; the power-assisted folding knife further includes a power-assisting mechanism connected to the blade holder and the handle, for providing assisting power when unfolding a power-assisted folding knife. The power-assisted folding knife in the present invention uses an assisting mechanism for providing assisting power when unfolding a folding knife, so as to facilitate easier unfolding of the folding knife and to allow single hand operation; the blade holder can be locked in an unfolded position and/or a folded position to ensure safe use of the power-assisted folding knife.

Abstract: A screwdriver, including driver bit sleeve, revolving wheel-shaped driver bit holder and pushrod, the revolving wheel-shaped screwdriver bit holder is rotatably arranged at the rear side of the driver bit sleeve, the revolving wheel-shaped driver bit holder is distributed with axial containing hole containing driver bit and the containing hole can be turned to axially coincide with the inner hole of the driver bit sleeve; pushrod is arranged at the rear side of the revolving wheel-shaped driver bit holder and axially coincides with the inner hole of the driver bit sleeve, the inner hole of the driver bit sleeve includes torque transmission segment at the front part and guiding segment at the rear part, the hole wall of the guiding segment is arranged as guiding surface; and it can also include handle, pushbutton set, pushrod which extends into one of containing holes of driver bit holder when pushbutton set is positioned at first positioning portion of the front part of slideway on the handle, pushing the dri