31results about "Hand vices" patented technology

The utility model provides a suction nozzle replacement clamp. The suction nozzle replacement clamp comprises a clamp side plate; the clamp reserved gap is formed in the middle of one side of the clamp side plate, clamping blocks are fixedly installed on the two sides of the inner wall of the clamp reserved gap, and a clamp reserved suction nozzle hole is formed in one side of the top of each clamping block; the elastic piece is arranged on one side of the middle of the interior of the clamp reserved gap. According to the suction nozzle replacement clamp provided by the utility model, the clamp side plate, the clamping block, the elastic piece, the clamp reserved gap and the clamp reserved suction nozzle hole are matched with one another, so that an operator can conveniently clamp the suction nozzle through the clamp, the clamp for holding the suction nozzle by a bare hand can be effectively replaced, and the phenomena that the operator is easily scalded and the suction nozzle falls into equipment when the suction nozzle is replaced are prevented; and therefore, the working efficiency is improved, and the problem of short circuit of the circuit board can be solved.

Device (1) for clamping two components (60, 70), with two clamping feet (10, 20) that are movable linearly relative to each other, wherein one clamping foot (20) can be attached to the first component (60) and the other clamping foot (10) can be attached to or stopped against the second component (70), and the linear movement of both clamping feet (10, 20) is effected via a common threaded spindle (40) which can be actuated by a ratchet (90), characterized in that the threaded spindle (40) is received on both sides in bearing blocks (15, 25) which are each arranged in a thrust-resistant manner on the upper side (12, 22) of a base plate (11, 21) of the respective clamping foot (10, 20), and the threaded spindle (40) has a left-hand external thread (41) on one side and a right-hand external thread (42) on the other side, and wherein the The bearing blocks (15, 25) have internal threads (16, 26) corresponding to the external threads (41, 42) of the threaded spindle (40).

The various embodiments herein relate to a coupling apparatus for a medical device having a coupler body, a cavity defined in the coupler body, a rotatable drive component disposed within the cavity and having at least two pin-receiving openings, and an actuable locking ring disposed around the cavity.

The utility model discloses a folding type bending clamp based on sheet metal working, which comprises a clamp head and a handle, and the side part of the clamp head is fixedly connected with the handle; the folding assembly comprises a storage groove and a labor-saving rod, the storage groove is formed in the side portion of the handle, the labor-saving rod is movably connected in the storage groove, and the folding assembly further comprises a first shaft rod, a first circular groove, a placement groove, a spring buckle device, a first rectangular block and a first circular clamping groove; the folding assembly further comprises a second rectangular block and a second circular clamping groove. The labor-saving handle has the advantages that the labor-saving rod can be turned out at the accommodating groove by pressing down the spring buckle device at the first circular clamping groove, and then the labor-saving rod can be turned out by 90 degrees and fixed under the matching of the second circular clamping groove, so that the length of the handle is increased, and compared with thread assembly, the assembly mode has the advantages that the assembly efficiency is improved, and the labor-saving effect is better. The process is simpler and quicker, and meanwhile, the labor-saving rod cannot be lost.

Provided is a small-grip quick-clamping type hand pliers with a locking function, comprising a plier body, a tensioning and locking mechanism, a rack and pinion transmission mechanism, a pulley block mechanism, a tensioning assembly, a reversing wheel, an upper jaw, a lower jaw, and a rear tensioning handle; the tensioning and locking mechanism moves along the upper side of the plier body along a guide, the rack and pinion transmission mechanism and the pulley block mechanism are arranged on the lower side of the plier body and are connected through a guide plate, the steel wire rope in the pulley block mechanism is connected to the tensioning and locking mechanism through the tensioning assembly and the reversing wheel, and the rear tensioning handle is connected to the tensioning assembly through a pull rope. The rack and pinion transmission mechanism, the pulley block mechanism, the tensioning and locking mechanism, and the rear tensioning handle for auxiliary tensioning and strengthening are integrated on the plier body, so that small-grip input, large-clamping-force output, quick clamping, automatic locking, and convenient unlocking can be realized, the overall structure is compact, movement is stable, clamping is firm, and the pliers are suitable for narrow-space operation, and the problems of large gripping force, no locking, large size, and inconvenient operation of traditional hand pliers are solved.

The utility model relates to the technical field of hand pressing pincers, and discloses a hand pressing pincer which comprises a pincer body, a handle and a fixing device, the fixing device comprises a fixing frame and a screw rod, the fixing frame is arranged at the lower end of the pincer body, the screw rod is in threaded connection with the lower end of the fixing frame, the lower end of the screw rod is an operation end, and the upper end of the screw rod is an abutting end; the hand pressing pliers solve the problems that an existing hand pressing pliers cannot be fixed, and is strenuous to use and inconvenient to operate.

The utility model relates to a pair of pliers, in particular to a pair of pliers with special handles, which comprises a handle component, the handle component comprises a handle front section and a handle rear section, an anti-slip protective sleeve is arranged on the outer wall of the handle rear section, a limiting component is arranged inside the handle front section, and the limiting component comprises a limiting block, a through groove and an extrusion screw. The through groove is formed in the front section of the handle, the limiting block penetrates through the interior of the through groove, and the interior of the through groove is slidably connected with an upper extrusion plate and a lower extrusion plate; according to the limiting assembly, the limiting blocks can slide in the front handle sections, the connecting positions of the two limiting blocks and the front handle sections are adjusted, after the two rear handle sections are held to the maximum degree, the two limiting blocks abut against each other, and the two rear handle sections cannot be held continuously; at the moment, the opening degree of the two clamp head assemblies can just clamp the outer skin of the electric wire to be broken, and the wire core of the electric wire cannot be damaged.

The utility model relates to a film pressing clamp dismounting clamp which comprises a first clamp body, a second clamp body, a jacking base and a jacking, the first clamp body and the second clamp body are connected through a pin shaft, the jacking is arranged on the jacking base and movably connected with the jacking base, the jacking base is connected with the first clamp body and the second clamp body through the pin shaft, and the jacking base is movably connected with the first clamp body and the second clamp body. The upper end of the jacking base is connected with the first clamp body and the second clamp body through two tension springs respectively. By adjusting the height of the jacking, the device can be matched with film pressing clamps of different specifications, a greenhouse film can be prevented from being extruded in the film pressing clamp detaching process, the film pressing clamps can be rapidly detached under the condition that the greenhouse film is not damaged, and the device has the advantages of being simple in structure, convenient to use, time-saving and labor-saving.

Provided is a bolt connection device including an operation portion provided on a workbench and including a screwdriver head; a clamp portion provided on the workbench to contact an object to be bolted, which is defined with a bolt hole, and including a through hole for guiding a bolt to the bolt hole; a guide portion inserted into the through hole, having a hollow shape to accommodate the bolt therein, having an inclined inner surface having a shape in which an inner diameter gradually decreases in a downward direction to maintain perpendicularity of the bolt, and having a portion cut in a moving direction of the bolt such that the inner surface elastically opens as the bolt moves downward; and an elastic portion in contact with an outer peripheral surface of the guide portion to elastically support a peripheral portion of the cut portion of the guide portion so as to ensure perpendicularity of the bolt with respect to the object to be bolted.

The invention discloses a cotter pin locking, positioning, press-fitting and locking device and method, and belongs to the technical field of aero-engine assembly.The cotter pin locking, positioning, press-fitting and locking device comprises a left plier handle, a right plier handle, a left jaw, a right jaw and fixing parts, the left plier handle and the right plier handle are fixed to the corresponding jaws through the fixing parts, and the left plier handle and the right plier handle are hinged through the fixing parts; a notch is formed in the force application face of the right jaw to stop the head of the cotter pin, and the width of the left jaw is matched with the linkage ring to limit tail locking. The method comprises the steps that the cotter pin penetrates into a linkage ring pin hole, a right jaw notch of the device is used for stopping the head of the cotter pin, a left jaw abuts against the tail to exert force for locking, the direction is adjusted, operation is repeated, and locking of the other side is completed. The cotter pin press-fitting and locking device can achieve one-time in-place locking and press-fitting and locking of the cotter pin, guarantees the assembling quality, improves the efficiency, reduces the labor intensity, and can also be used for assembling cotter pins of similar structures.

The invention discloses a disassembling device and method for an aero-engine compressor stator inner ring locking pin, a positioning groove is formed in the disassembling end of an upper plier handle, a lower plier handle ejector rod is arranged at the disassembling end of a lower plier handle, and the positioning groove and the lower plier handle ejector rod are aligned in the vertical direction. When the edge contour of the positioning groove partially coincides with the edge contour of the locking pin mounting hole, preliminary positioning is achieved, at the moment, only the lower plier handle needs to be rotated through the handheld end, the lower plier handle ejector rod can directly stretch into the locking pin mounting hole, positioning is accurate, rapid positioning of the disassembling device can be achieved, and operation is more convenient.

The utility model discloses a water gap clamp sleeve which comprises a clamp sleeve body, a protective sleeve cavity is formed in the middle of the front face of the clamp sleeve body, a front face magnet mounting hole is formed in the middle of the protective sleeve cavity, a front face magnet is mounted in the front face magnet mounting hole, and a lower limiting block is fixed to one end of the protective sleeve cavity. A limiting wall is arranged at the other end of the protective sleeve cavity; according to the clamp sleeve of the water gap clamp, the lower limiting block and the limiting wall are arranged, so that the opening degree of the jaw of the water gap clamp and the movement of the jaw in the vertical direction can be effectively limited, and the problem that the jaw is normally opened due to a handle spring is solved; by arranging the front magnet and the tong mouth cover, the tong body can be prevented from moving upwards, meanwhile, the sharp tong head is protected, the situation that hands are injured in the taking process and tong tips are damaged due to falling is avoided, the using safety of the water gap tong is improved, and the service life of the water gap tong is prolonged; the arrangement of the hanging hole and the back magnet or adhesive tape facilitates the installation and storage of the protective sleeve, and has the advantages of simple structure and strong practicability.

The application discloses a mechanical maintenance clamp with adjustable hand holding part, and belongs to a mechanical clamp. The mechanical maintenance clamp comprises a clamp body and a tray. The front end of the clamp body is provided with a clamp head assembly. The rear end of the clamp body is provided with a hand holding assembly. The inner side of one end of the hand holding assembly is provided with a sliding rail. A sliding block is installed on the sliding rail. A clamping ring is arranged on the sliding block. An arc-shaped frame is further installed on the sliding block. The position of the arc-shaped frame corresponds to the position of the clamping ring. Four groups of extension rods are installed on the inner side of the other end of the hand holding assembly. Respective sleeve rings are installed on the extension rods. The sleeve rings correspond to the positions of the clamping rings respectively. The tray is provided with a clamping groove which is matched with the clamp body. The lower part of the tray is further provided with a bandage. The clamp body and the tray are connected with each other through a traction rope. The clamping ring and the arc-shaped frame are driven by the sliding block to reciprocate on the end of the hand holding assembly, so that the actual hand holding part position on the hand holding assembly of the clamp body can be adjusted, different personnel with different hand shapes can use the mechanical maintenance clamp, and personnel with different hand shapes and sizes can use the mechanical maintenance clamp with less labor.

The utility model discloses needle warming moxibustion needle body auxiliary cooling pincers which comprise a first pincers body and a second pincers body, one end of the first pincers body is fixedly connected with a first pincers handle, the position, close to the end, of the second pincers body is fixedly connected with a second pincers handle, and the first pincers body and the second pincers body are rotationally connected through a bolt and a nut which penetrate through the first pincers body and the second pincers body. The first clamp body and the second clamp body are in an arc shape, the ends, away from a rotating connection point, of the first clamp body and the second clamp body are fixedly connected with installation parts, through holes are formed in the middle positions of the installation parts, the opposite sides of the installation parts are provided with embedding parts, and cloth strips are embedded in the embedding parts. According to the utility model, the plate body and the two side strips are fixed at the position of the mounting part, the side strips are oppositely arranged, the bottom plate is arranged at the bottom of the inner surface of each side strip, and the cloth strips can be embedded in the side strips after being folded, so that the cloth strips can be conveniently soaked in water for use, and can be conveniently cleaned and replaced.

The invention discloses a composite lever type automobile buckle pulling clamp which is scientific and reasonable in design, under the action of an elastic follow-up assembly, when the two clamp heads do not clamp a buckle, a main clamp handle and an auxiliary clamp handle are pinched, the two clamp heads can move relatively and synchronously, and in the process, the two clamp heads are clamped by the main clamp handle and the auxiliary clamp handle. When the two plier heads clamp a buckle, the main plier handle and the auxiliary plier handle are continuously pinched, the auxiliary driven plier handle is limited by the buckle and is fixed, the hinged position of the auxiliary plier handle and the auxiliary driven plier handle serves as a lever supporting point, the elastic force of the elastic follow-up assembly is overcome to push the ejector head to eject forwards, the auxiliary plier handle can be matched with the plier heads, and the buckle is easily pulled out. Design is scientific and reasonable, and operation is convenient and effortless.

The utility model relates to the technical field of locking pliers, in particular to quick clamping locking pliers which comprise a locking pliers body, a guide rail is arranged at the bottom of the locking pliers body, and a fixator is arranged on one side of the guide rail. One end of the adjusting screw rod penetrates through the guide rail in a screwed manner and is connected with the fixer; the adjusting assembly is arranged on the side wall of the side, close to each other, of the fixator and the guide rail; when the fixing device and the guide rail move towards the fixing piece, elastically-arranged clamping rods are extruded, the clamping rods are shrunk into the sinking grooves, when the elastically-arranged clamping rods make contact with the fixing piece, a pull rod is pressed downwards, the pull rod presses second abutting rods downwards through a pressing plate, the second abutting rods press first abutting rods on the corresponding clamping rods downwards, and the clamping rods are clamped into the sinking grooves. The first abutting rod presses the first abutting rod on the adjacent clamping rods through the third abutting rod, so that the clamping rods which are elastically arranged are limited, and the locking pliers body is fixed to the special-shaped fixing piece through the clamping rods.

A handheld vise for dental crowns includes a vise block, an elongated handle extending from the vise block, a linear screw embedded in the vise block, and first and second jaws. The second jaw may be arcuate on a gripping surface thereof to conform to the shape of a dental crown. The handheld vise is sized for quickly and readily securing a dental crown such as a stainless-steel dental crown for use in pediatric dentistry. An elastomeric material may be used on the gripping surfaces of the vise. A radius of curvature of the gripping surface of the second jaw may be between about 25-35 mm. A height of the jaws may be between about 2-5 mm, and a distance between the first jaw and a vertex of the second jaw may range from about 3-10 mm. A method and kit for forming crowns including the handheld vise are disclosed.

Device for positioning facade boards, comprising a base body (10) with a receptacle for a board, characterized by a hand lever (20) mounted on the handle (25), which is connected via a pull element (51) to a movable clamping jaw (21) to fix a board force-fit against a counter bearing (22), and an adjustable distance stop (31) for direct measurement.

A pair of multi-presser-foot locking pliers comprises a presser foot A, a presser foot B, a V-shaped presser foot, a pin, a fixed arm, a movable arm, a rivet, a fixed handle, a movable handle, an adjusting screw, a tension spring, a supporting plate, a lifting piece, cushion blocks and the like, the presser foot A is connected with the fixed arm, the presser foot B is connected with the fixed arm, the fixed arm is connected with the fixed handle, the cushion block A and the cushion block B are arranged between the V-shaped presser foot and the movable arm, the V-shaped presser foot is connected with the movable arm, and the movable arm is connected with the pin. The movable arm is connected with the movable handle, the lifting piece is connected with the movable handle, the supporting plate is connected with the movable handle, the movable arm is connected with the fixed handle, the tail portion of the fixed handle is provided with the adjusting screw, and the two ends of the tension spring are connected with the movable arm and the fixed handle. The B presser foot is connected to the fixed arm through the B rivet, the V-shaped presser foot is connected to the movable arm through the inner hexagonal screw, and the square tube and the round tube can be clamped more firmly through the three presser feet.

The utility model discloses a pair of multifunctional pliers, which comprises a first pliers body and a second pliers body, the first pliers body comprises a first handle, a first connecting part and a first pliers head, the second pliers body comprises a second handle, a second connecting part and a second pliers head, the second connecting part is rotatably connected with the first connecting part, and the second connecting part is rotatably connected with the second pliers head. The front end of the first forceps head extends to form a flat first narrow slit clamping portion, the front end of the second forceps head extends to form a flat second narrow slit clamping portion corresponding to the first narrow slit clamping portion, and the first narrow slit clamping portion and the second narrow slit clamping portion are both perpendicular to the clamping face. According to the multifunctional pliers, the flat narrow slit clamping parts are arranged at the front ends of the pliers heads, the capacity of the pliers for clamping small objects in a narrow space is enhanced, meanwhile, the hammer head and the screwdriver head are additionally arranged, the multifunctionality of the pliers is improved, the pliers can be suitable for more occasions, and the practicability of the pliers is improved.

An alignment tool comprising a mounting flange, a support leg fixedly coupled to the mounting flange and cooperating with the mounting flange to define a partial annular ring extending through an arc between 190 degrees and 350 degrees, and a second number of jack bolt pairs movably coupled to the support leg, each jack bolt pair arranged to engage one of a first number of seal segments. A third number of mounting fasteners positioned to fixedly attach the mounting flange to an inner housing.

The invention relates to the technical field of manual hardware tools, in particular to a shearing prying tool which comprises a movable handle, a fixed jaw and a fixed handle, one end of the fixed jaw is hinged to the middle, close to the supporting end, of the fixed handle, and a positioning structure is assembled between the fixed jaw and the fixed handle. Any main body of the fixed jaw and the fixed handle is continuously connected with the positioning structure, and the positioning structure is selectively connected with or separated from the other main body, so that the fixed jaw is fixedly connected with or separated from the fixed handle, and the other end of the fixed jaw is hinged with one end of the movable handle; and the hinged ends of the fixed jaw and the movable handle are respectively provided with tong heads which are mutually matched for opening and closing. By adjusting the connecting position of the positioning structure relative to the fixed jaw and the fixed handle, flexible switching between the shearing function and the prying function can be achieved, and the multifunctional prying device has the advantages of being efficient in function integration, convenient and fast to operate, stable and reliable in structure and the like.

The invention provides a pair of tool pliers. The tool pliers comprise a first pliers arm, a second pliers arm and a connecting shaft movably connected between the first pliers arm and the second pliers arm. The first tong arm is provided with a first tong head and a first handle which are arranged on the two sides of the connecting shaft respectively. And the second tong arm is provided with a second tong head and a second handle which are separated on two sides of the connecting shaft. The first plier head is provided with a first press sealing table, and the second plier head is provided with a second press sealing table corresponding to the first press sealing table. One of the first press-sealing table and the second press-sealing table is provided with a positioning groove used for containing a lead sealing buckle, and at least part of the other one of the first press-sealing table and the second press-sealing table can be pressed into the positioning groove. According to the tool pliers, the lead sealing buckle can be prevented from sliding and shifting in the sealing and pressing process, so that the pressing reliability and the sealing effect are improved.

The utility model discloses a tool for clamping a steel ball, and relates to the field of production tools. Arc-shaped clamping heads are detachably installed at the tail ends of pincer mouths of the ball clamping pincers, elastic components are arranged between handles of the ball clamping pincers, and the elastic components are fixedly connected with the handles respectively. An arc-shaped brake disc is arranged on one handle of the ball clamp, an operation opening is formed in the other handle, the brake disc penetrates through the operation opening and moves along the operation opening, a brake block is installed in the operation opening in an up-down sliding mode, the brake block protrudes out of the top face or the bottom face of the handle, a brake pad is arranged on the brake block, and the brake pad makes contact with the brake disc. The clamp has the advantages that the clamping heads detachably installed on the clamp mouths can be replaced according to the specification of a gear of a steel ball so as to guarantee the clamping area of the steel ball and the clamping firmness, meanwhile, the elastic component and the brake disc are locked in position, auxiliary force is provided for clamping operation of the handle, the strength is reduced, and the clamping efficiency is improved. And the use flexibility and safety are ensured.

The utility model provides a pair of parallel pliers, which relates to the technical field of hand tools, mainly comprises a first pliers body and a second pliers body, and is characterized in that the first pliers body is rotatably connected with the second pliers body, the first pliers body is provided with a first clamping surface, the second pliers body is provided with a second clamping surface, and the first clamping surface and the second clamping surface are arranged in parallel. When the first plier body and the second plier body rotate relatively, the first clamping face and the second clamping face rotate in the direction close to each other or away from each other, the difference between the first plier body and the second plier body is that a clamping block is arranged on the first clamping face or the second clamping face, and when the second clamping face or the first clamping face is clamped with the clamping face of the clamping block in an engaged mode, the clamping block rotates in a self-adaptive mode. The clamping block slightly swings within a certain range, so that the second clamping face or the first clamping face and the clamping face of the clamping block dynamically change and better fit a part needing to be adjusted, linear contact or surface contact between a to-be-clamped object and the clamping face is achieved as much as possible, and therefore the defect that the clamping effect is poor due to point contact is overcome.

The utility model relates to the technical field of camera memory card auxiliary installation tools, in particular to a clamp. The clamp comprises a fixed clamp handle and a movable clamp handle, the movable clamp handle is rotationally connected with the fixed clamp handle, a reset spring used for applying elastic force to the movable clamp handle to enable the movable clamp handle to turn over towards the front end of the fixed clamp handle is arranged at a rotating shaft, and the front end of the movable clamp handle and the front end of the fixed clamp handle jointly form a clamping part. The operating handle is connected with the fixed clamping handle, and at least part of the handle section is parallel to the extending direction of the fixed clamping handle. Meanwhile, at least part of the handle section of the operating handle is parallel to the extending direction of the fixed clamping handle, and the memory card is approximately parallel to the fixed clamping handle after being clamped by the clamp, so that when the memory card is pushed into the card slot, the force application direction is basically parallel to the pushing direction of the memory card, and the memory card only needs to be pushed forwards along with the force, so that the hand pinning is avoided, and the labor intensity is reduced. And the operation is smoother and more labor-saving.

The tin coating device comprises a first clamp arm and a second clamp arm which are hinged through a hinge shaft, a first clamping head and a second clamping head which are matched with each other are installed at the front end of the first clamp arm and the front end of the second clamp arm respectively, and each of the first clamping head and the second clamping head is provided with a wire clamping part and an insulating imbedding part. The lead clamping parts of the two chucks are provided with mutually matched pressure heads and lead grooves form a clamping opening, the lead clamping parts are of an inclined surface structure, and the thickness of the clamping opening is limited through a longitudinal blind hole, so that the device has relatively good clamping strength and clamping precision; the high-temperature-resistant heat-insulating pad is arranged on the near tin-coated side of the chuck to prevent the surface of the clamp from being connected with the wire end into The wire tinning machine can meet the requirement for the non-tinning length of the wire end, is suitable for tinning of wires with different wire diameters in a tin pot, and can effectively improve the wire tinning efficiency.

A vise tool with an offset shaft assembly. The vise tool allows for the turning of hard-to-reach bolts and other items, using a traditional vise grip handle. The handle has a socket having two parts—an inner part which turns an inner shaft and an outer part which turns an outer shaft. The handle, rather than adjusting two jaws, adjusts the position of the inner part and outer part of the sockets. Jaws are located in the same plane as the handle, but offset by the length of the offset shaft. The vise tool locks in place due to an over-center arrangement with a spring, as with standard vise grips. Various lengths of shafts and types of jaws may be used.

A handheld vise for dental crowns includes a vise block, an elongated handle extending from the vise block, a linear screw embedded in the vise block, and first and second jaws. The second jaw may be arcuate on a gripping surface thereof to conform to the shape of a dental crown. The handheld vise is sized for quickly and readily securing a dental crown such as a stainless-steel dental crown for use in pediatric dentistry. An elastomeric material may be used on the gripping surfaces of the vise. A radius of curvature of the gripping surface of the second jaw may be between about 25-35 mm. A height of the jaws may be between about 2-5 mm, and a distance between the first jaw and a vertex of the second jaw may range from about 3-10 mm. A method and kit for forming crowns including the handheld vise are disclosed.