330results about "Pliers" patented technology

A plier apparatus for facilitating the insertion of drip couplings into tubing or pipe comprises first and second elongated bodies pivotally connected at a fulcrum point. The first elongated body integrates a tube grip configured to securely hold tubing ranging from 0.125 to 2 inches in diameter, while the second elongated body features a holder sized to accommodate drip couplings from 0.25 to 0.75 inches. This configuration enables simultaneous manipulation of both components through a single actuation motion. The apparatus incorporates a force-multiplying mechanism using opposing cams that reduces required hand strength by at least 50%. The plier apparatus can include ergonomic handles with anti-slip materials; a ratcheting mechanism allowing incremental advancement; interchangeable holder inserts accommodating multiple coupling sizes; a coupling alignment indicator system; and a depth control mechanism preventing over-insertion.

A hand tool includes a handle assembly, a jaw assembly, a locking assembly, and an adjustment assembly. The handle assembly may include a first handle and a second handle, each of the first and second handles having a proximal end and a distal end. The jaw assembly may include a first jaw and a second jaw. The first jaw may be attached to the proximal end the second handle via a transition region comprising an adjustment channel. The locking assembly may be configured to enable the first and second jaws to be locked at a selected distance from each other in a locked state. The adjustment assembly may include the adjustment channel and a bite adjustment member configured to enable the selected distance to be modified in an unlocked state based on a position of the bite adjustment member in the adjustment channel.

Horticultural secateurs have a first cutting member with an anvil 20 and a second cutting member 31 that may have a blade. The first cutting member has an anvil base with a curved slot 111 and two anv

The utility model discloses a pair of inclined nose pliers convenient for collecting scrap iron, which comprises a pliers body, a lantern ring is fixedly connected to the outer side of the pliers body, a pin shaft is rotatably connected to the inner side of the lantern ring, and a pliers handle is fixedly connected to one side, far away from the pliers body, of the lantern ring. According to the device, by arranging the collecting assembly, when the hands of an operator are relaxed, under the elastic action of an extension spring, a connecting block drives a fixing sleeve to reset through a movable rod, so that the pincer body is kept in an open state, the operator can conveniently keep the pincer body open without additional force after completing one-time shearing, and preparation work of next-time shearing operation is conveniently conducted; and when the magnet is close to an area where the scrap iron is generated. The iron scraps can be attracted to the outer cover on the outer side of the magnet under the magnetic effect of the magnet, the containing groove is formed in the wall of the outer cover, and when the outer cover retracts into the hollow rod, the iron scraps can be conveyed into the containing groove, so that the iron scraps can be better gathered on the outer side of the outer cover.

The invention relates to a mobile charging station (10) designed to be removably attached to a support object. The charging station (10) comprises at least one chassis (12), an electrical power source (14) mounted on the chassis (12), a charging interface (16) designed to supply electrical power to at least one electrical device by means of said power source, and a clamp (18) for attaching the charging station (10) to the support object. This clamp includes a first fixed jaw (62) integral with the chassis (12) and a second movable jaw (64). The second movable jaw (64) is characterized in that it is moved by a lever (66), and the charging station (10) is equipped with a lock (94) designed to lock said lever (66) in its closed position to secure the charging station (10) to the associated support object. (Fig. 5)

Various embodiments of a combination hand tool such as a wire stripper are provided. The wire stripper includes first jaw portion and a second jaw portion having a plurality of stripper apertures. In a specific embodiment, the first jaw and second jaw have a spring constant between 450 N / mm and 550 N / mm, measured when a force is applied in a direction parallel to the pivot axis to an associated jaw tip with a pivot member being held. In various embodiments the first jaw and / or the second jaw have a cutting recess. In such embodiments, the first and second jaws have a first hardness and the cutting recess has a second hardness that is greater than the first hardness.

The utility model relates to the field of dismounting tool, concretely relates to a kind of high-efficiency lossless holding tongs dismounting special tool, including connecting arm, connecting arm middle part is fixed with threaded sleeve, threaded sleeve is connected with screw rod in thread, screw rod bottom end is conical head, screw rod top is connected with driving part, connecting arm both ends are connected with positioning pin, positioning pin is used to insert the pin hole on holding tongs, positioning pin is provided with the connecting assembly for being connected with holding tongs.This utility model can solve the problem of low efficiency and easy damage to equipment when dismounting holding tongs in prior art.

A cutting plier and a cutting plier head are provided in this disclosure. The cutting plier includes a cutting plier body, a first cutting part, a second cutting part, an adjusting member and a hinge member. The cutting plier body includes a left handle and a right handle which are hinged with each other. The second cutting part has a shortest gap from the first cutting part and cooperates with the first cutting part to realize a cutting function. The adjusting member is configured for adjusting an amplitude of the shortest gap. One end of the first cutting part is connected with the right handle through a hinge member, and one end of the second cutting part is connected with the left handle through a hinge member.

The adjustable clamp has first and second handles pivotally engaged together and first and second jaws extending from the first and second handles, respectively, and terminating in first and second nose tips. Each of the first jaw and the second jaw has an inner portion received within the outer portion in a manner that allows relative movement between the inner portion and the outer portion to move the first jaw and the second jaw between a retracted position and an extended position, therefore, the longitudinal length of the first jaw and the second jaw is reduced and increased. A spring is associated with the first and second handles and applies a biasing force to move the first and second handles away from each other and to apply a clamping force to the first and second nose tips.

The utility model discloses an eyeball holder. The eyeball holder comprises a clamping assembly, the clamping assembly comprises a first clamping arm and a second clamping arm which are arranged in a crossed mode. A first clamping part is arranged at one end of the first clamping arm; a second clamping part is arranged at one end of the second clamping arm; the first clamping part is detachably connected with the second clamping part; the first clamping part and the second clamping part are each of a hemispherical structure with a containing space inside. The side wall of the first clamping part and the side wall of the second clamping part are each provided with at least two through holes. The device has the beneficial effects that when the eyeball is taken, the contact area between the first clamping part and the in-vitro eyeball and the contact area between the second clamping part and the in-vitro eyeball are large, and damage to the in-vitro eyeball is avoided; and along with the continuous tightening of the clamping assembly, liquid between the in-vitro eyeball and the clamping instrument is gradually separated through the through hole, so that the solution for soaking the in-vitro eyeball is prevented from hindering the work of the clamping instrument, and the in-vitro eyeball is prevented from sliding off from the clamping instrument.

This invention belongs to the field of mechanical assembly technology and discloses a tool and method for installing a spiral retaining ring for a shaft. The installation tool includes a tool body, a fixed jaw, a movable jaw, and a sliding groove. The tool body is an arc structure smaller than a semicircle. The front end of the tool body has a step with a height consistent with the total thickness of the spiral retaining ring. A square groove is also provided at the front end of the tool body, and a rectangular groove parallel to the front end face of the tool body is provided next to the square groove. The fixed jaw is installed on the square groove of the tool body, and the jaw portion of the fixed jaw extends out from the square groove below the tool body. The movable jaw is slidably installed in the rectangular groove of the tool body, and the jaw portion of the movable jaw extends out from the rectangular groove below the tool body. The sliding groove is installed above the tool body to restrict the sliding of the movable jaw within the rectangular groove. This invention minimizes the deformation of the spiral retaining ring, thus preventing detachment. Compared with existing tools for installing spiral retaining rings for shafts, it can prevent scratches on the surface of parts.

A pair of pliers includes two handles and a latch unit. The handles are pivotally connected to each other. The latch unit includes a pawl, a rack, a spring and a switch. The pawl is secured to the first handle. The rack is pivotally connected to the second handle. The spring biases the rack into engagement with the pawl. The switch is movable between two positions. In the first position, the switch allows engagement of the rack with the pawl. In the second position, the switch keeps the rack from the pawl.

A pipe wrench is provided, wherein the pipe wrench includes: a first clamp body including a first handle portion, a first clamping portion and a body portion connected between the first handle portion and the first clamping portion, the body portion including a guide groove having a tooth row; a second clamp body including a second handle portion, a second clamping portion and a pivot hole; and a button inserted in the guide groove and the pivot hole, including a button base, a toothed member and an elastic member disposed between the button base and the toothed member, the button base being movable relative to the guide groove to disengage the toothed member from the tooth row, the toothed member being movable relative to the button base in a radial direction of the button and releasably engaged with the tooth row.

The invention relates to the field of pin pulling pincers, and discloses a pin pulling pincer which comprises a pincer body unit, and the pincer body unit comprises a pincer tail and a pincer head; the clamping unit is arranged on the plier tail and used for clamping a repairing wire; the elastic unit is mounted on the plier tail and used for assisting in winding and repairing a wire; wherein the elastic unit comprises an elastic plate, the projection of the elastic plate is located between the two clamp tails, a clamping ring is arranged on the elastic plate in a sliding fit mode, a compression bolt is arranged on the side edge of the clamping ring, and the clamping ring is used for adjusting the elastic deformation amount interval of the elastic plate; the device has the beneficial effects that through the arrangement of the clamping unit and the elastic unit, clamping of a repairing wire can be achieved, the device can be hung on a high-altitude wire, and through the arrangement of the elastic unit, a pushing force can be applied to the repairing wire, so that the repairing wire is more attached in the winding process, and the repairing efficiency is improved; and through the arrangement of the dismounting assembly and the hammer head, diversification of the device is achieved, and different functions are achieved.

The invention discloses a method for clamping corrosive sundries, which comprises the following steps: after an operator stretches a hand into an armlet, the index finger and the middle finger respectively stretch into finger rings of a left clamping part and a right clamping part of a scissor structure of a clamping device, and the armlet sleeves the arm part of the operator for positioning; opening and closing are conducted by operating the scissor structure through the index finger and the middle finger of an operator, and corrosive sundries are clamped through the corresponding clamping ends of the left side clamping part and the right side clamping part. The hand of an operator is separated from corrosive sundries, the distance between the operator and the corrosive sundries is increased, the clamping safety of the corrosive sundries is improved, operation is easy, use is convenient, and safety is high.

The pair of pliers with the self-locking function for maintenance comprises two pliers handles, a pull rod is connected to the middle of one of the pliers handles, an adjusting pipe is sleeved on the pull rod, a baffle ring is fixedly arranged at one end of the adjusting pipe, a ring hole is formed in the middle of the baffle ring, a connecting port is formed in the other end of the adjusting pipe, and an internal thread is arranged in the adjusting pipe. The pull rod is fixedly connected with a limiting circular plate, the limiting circular plate is provided with external threads, the other end of the adjusting pipe is connected with a connecting pipe, a connecting pipe opening is formed in the middle of the connecting pipe, the middle of the other clamp handle is connected with a telescopic spring, the telescopic spring is connected with a butt joint, and the butt joint is connected with a limiting pull plate. According to the pair of pliers with the self-locking function for maintenance, self-locking can be conveniently achieved, the plier head is automatically kept in a clamping state, and the self-locking and unlocking processes can be achieved through one-hand operation. After the pliers are self-locked, the hands holding the pliers handles can be released, and time and labor are saved. The pliers can also be used as common pliers.

A bone clamp (1, 200, 300) for use in fixation of a fractured bone, or prevention of fracture of a bone, the clamp (1, comprising a pair of handles (2a, 2b) joined together at a pivot point (5), the handles (2a, 2b) each having an arcuate jaw (4a 4b), the arcuate jaws (4a, 4b) comprising a first end (7a, 7b) having an opening at a proximal end (12a, 12b) of the jaw (4a, 4b) in communication with a second end (8a, 8b) having an opening at a distal end (14a, 14b) of the jaw (4a, 4b), the first end (7a, 7b) and second end (8a, 8b) in communication via a channel (6a, 6b), in which the channel (6a, 6b) is configured to accommodate a cable, a wire, a suture, a band or other suitable flexible material, and wherein the channel (6a, 6b) is an open channel.

Remote operation pliers are configured by pivotally supporting pliers such that the angle thereof can bechanged by a pivot shaft relative to a base provided to the tip of a main operation rod. A fixed-side gripping piece and a movable-side gripping piece of the pliers can open and close about the pivot shaft. The fixed angle of the fixed-side gripping piece can be changed relative to the base by positioning an index plunger. The movable-side gripping piece is capable of opening and closing by a sub operation rod coupled to a coupling end. The sub operation rod has a length adjustment section between a tool-side end and an operator-side end. The length adjustment section has a nested structure of a cylinder part and a core part in order to maintain a movable range of the sub operation rod constant when changing the gripping angle of the pliers.

The object of the present invention is to provide a novel self-locking clamping device that can maintain engagement in a self-adaptive manner even when the structure is deformed during use, ensuring a stable locked state even when the structure is deformed in a way that conventional fixed pivot structures cannot. [Solution] The present invention includes a first arm, a second arm, a ratchet arc fixed to one of the arms, and a pawl mechanism supported on the other arm via a variable pivot. The variable pivot can move in position in response to elastic deformation of the arm when the pawl mechanism engages with the ratchet arc, achieving self-adaptive engagement. The elastic member constantly biases the pawl mechanism in the ratchet direction, but the pawl mechanism can be released by user operation. This allows for consistent locking performance regardless of structural deformation.

The utility model discloses a lock wrench with a handheld anti-skidding structure, which comprises a wrench handle, a movable handle and a fixing device, a fixed wrench head is rotatably connected to the upper end inside the left side of the wrench handle, a wrench opening is fixedly connected to the lower end of the left side of the fixed wrench head, the movable handle is connected to the lower part of the wrench handle, and the fixing device is connected to the movable handle. A movable tong head is rotationally connected to the interior of the left side of the movable handle, rivets are connected to the upper end and the lower end of the right side of the movable tong head in a penetrating mode, a connecting block is fixedly connected to the middle of the right side of the movable tong head, a fixing strip is fixedly connected to the right end of the upper surface in the tong handle, and a spring is connected to the interior of the tong handle; a rotating rod is fixedly connected to the left end of the spring, a connecting ring is fixedly connected to the right side of the spring, a fixed handle is fixedly connected to the right side of the forceps handle, and a storage groove is formed in the left side of the fixed handle. According to the locking pliers with the handheld anti-skid structure, the opening size of the pliers head can be adjusted, mistaken touch can be prevented, and the handheld anti-skid structure is arranged.

The utility model relates to a multifunctional wire stripper for cutting an electric tracing band, which belongs to the technical field of self-temperature-limiting electric tracing band installation and comprises a wire stripper body, the wire stripper body comprises a first plier body and a second plier body, the middle sections of the first plier body and the second plier body are mutually hinged and are symmetrically distributed, one end of each of the first plier body and the second plier body is provided with a handle, and the other end of each of the first plier body and the second plier body is provided with a plier head. One ends of the two plier heads are provided with shearing heads, the plier heads of the first plier body and the second plier body can be folded or separated, the sides, close to each other, of the two plier heads are provided with an outer sheath shearing assembly, an insulating sheath shearing assembly and a longitudinal cutting assembly, and the sides, close to each other, of the first plier body and the second plier body are provided with crimping assemblies. The middle sections of the first pincer body and the second pincer body are mutually overlapped, and a locking piece for locking the first pincer body and the second pincer body is arranged on the first pincer body or the second pincer body. The tool has the advantages that one tool can realize circumferential cutting of the outer sheath of the electric tracing band, longitudinal cutting and circumferential cutting of the insulating sheath and terminal crimping, is high in efficiency, safe, reliable and easy to operate, and avoids carrying various tools during operation.

The utility model discloses a pipe cutter which comprises a movable handle, a fixed handle and a cutting blade fixedly installed at the top end of the movable handle, and the top end of the fixed handle is integrally connected with an arc-shaped clamping jaw. The outer side of the cutting blade is coated with a movable clamp, the tail end of the movable clamp is detachably connected with the top end of the movable handle, and the movable clamp and the cutting blade are rotationally connected with the fixed handle; the device is reasonable in design, safe, reliable and convenient to use. The structure of the movable clamp and the cutting blade is ingeniously combined, and the clamping function and the cutting function are combined.

The present invention relates to a clamp stick used for live-line work, and more particularly to a technical field of an electric insulated rotary grip all clamp stick having a double pawl operating part for indirect live-line work, which uses a rack and pinion gear to configure a double pole operating part so that a worker can use it safely and more conveniently in live-line or uninterrupted work that does not interrupt the supply of electricity, and which allows a holder part and a hook assembly to be operated by the operating part to firmly connect a tip tool to the tip of the holder part, and which minimizes the length of the operating part so that a worker can easily hold and operate the tip tool, remove a binding wire from a rotary winding and unwinding type extra-high voltage distribution line, and remove foreign objects including the coating of an electric wire, and a method of operating an indirect live-line work tool using the same.

The utility model provides a pair of crucible tongs, which comprises a connecting rod, a clamping piece, a moving rod and a baffle plate assembly, the connecting rod is provided with a sliding groove. The clamping piece is arranged at the end part of the connecting rod and is used for clamping a crucible; the moving rod is slidably connected to the sliding groove. The baffle assembly is arranged at the end, close to the clamping piece, of the moving rod. When the crucible clamp provided by the utility model is used for transferring a crucible, the baffle assembly arranged on the crucible clamp can shield the crucible, so that chemical materials in the crucible are prevented from splashing to damage the surrounding environment and organisms.

Dual-mode adjustable pliers include a first handle member including a first handle and a first jaw and a second handle member including a second handle and a second jaw. The pliers may also include a channel disposed in the first handle member between the first handle and the first jaw and an adjustable pivot affixed to the second handle member and disposed within the channel of the first handle member, the second handle member being configured to pivot relative to the first handle member about a pivot axis defined by the adjustable pivot. The pliers may also include a mode selector member that is affixed to the second handle member and pivotable relative to the second handle member into an engaged position and a disengaged position; wherein, with the mode selector member in the engaged position and contacting the first handle member, movement of the second handle towards the first handle causes a multi-fulcrum pivoting action that moves the adjustable pivot and a position of the pivot axis within the channel to adjust the second jaw towards the first jaw, the multi-fulcrum pivoting action comprising pivoting of the second handle member about the pivot axis and pivoting of the second handle member relative to the mode selector member.

The utility model relates to the technical field of proportional valve maintenance, in particular to a proportional valve maintenance tool. Comprising needle-nose pliers, and two clamping parts of the needle-nose pliers are detachably and fixedly sleeved with expansion heads. The expansion head comprises an arc-shaped plate, a fixing plate is fixed to one end of the arc-shaped plate, the clamping portion of the needle-nose pliers is inserted between the fixing plate and the arc-shaped plate, a fixing rod is fixed to the fixing plate, clamping teeth matched with tooth grooves in the inner side of the clamping portion of the needle-nose pliers in a clamped mode are machined on the fixing rod, and the fixing rod is fixedly connected with the clamping portion of the needle-nose pliers through a hoop. According to the tool, the clamping parts of the nipper pliers are detachably and fixedly sleeved with the expansion heads, the arc-shaped plates on the expansion heads stretch into the position between the valve element and the valve body, when the nipper pliers enable the two clamping parts to be closed, the two arc-shaped plates are close to each other and enter to clamp the valve element, then the nipper pliers are pulled in the direction away from the valve body, and the valve element can be pulled out of the valve body; the maintenance or repair efficiency of the proportional valve can be improved.

The invention relates to a de-sealing tool (1) for a crimped edge (2) of two sheets folded one over the other and forming the crimped edge (2), the de-sealing tool (1) comprising a first lever (11) and a second lever (12) pivotally connected to the first lever (11) by means of a pivot axis (O1), a first knurled wheel (13) associated with a drive shaft (O2) held in the first lever (11) by a first ball bearing, the first knurled wheel (13) having a peripheral groove (131) intended to be brought into contact with a fold (21) of the crimped edge (2), a second knurled wheel (14) integral with a pivot axis (O3) associated with the second lever (12) by means of a second ball bearing, the second knurled wheel (14) having a circumferential rib intended to be inserted under the crimped edge (2) opposite the fold (21), opposite the peripheral groove of the first wheel (13),a control lever (15) fixed to the drive shaft (O2) of the first knob (13) and allowing said first knob (13) to be rotated around said drive shaft (O2). Figure to be published with the abbreviation: Fig. 1,

And a button pin for connecting the two halves of the pliers together. The pin may include one or more balls that are resiliently biased in a radially outward direction to connect the pin to the retainer. Typically the engagement portion urges the ball outward, but the button head may press axially downward and align the ball with the receiving portion, which allows the ball to fall into the interior of the pin. A button is also integrally formed with the receiving portion and the engaging portion to better facilitate movement of the ball and mobility of the pin. Accordingly, a user can quickly adjust the jaw width of the pair of pliers and make better use of the pliers during the process.