44results about "Hand vices" patented technology

The utility model discloses a pair of multifunctional pliers, and belongs to the technical field of operation tools. The forceps comprise a first forceps handle; the second forceps handle is hinged to the front end of the first forceps handle; the plier head is detachably connected to the hinged position of the first plier handle and the second plier handle; and the accommodating space is arranged on the first plier handle and / or the second plier handle, and an auxiliary tool is detachably connected into the accommodating space. According to the multifunctional pliers, the plier head is detachably connected to the hinged position of the first plier handle and the second plier handle, and the plier head and the plier handles can be independently separated and replaced. During operation, operation of different types of plier heads can be achieved only by carrying one multifunctional plier and a plurality of plier heads, and therefore the purpose of reducing the carrying weight is achieved. Besides, the first plier handle or the second plier handle is provided with the containing space, common auxiliary tools are contained in the containing space, when the plier is used, the auxiliary tools can be directly taken out from the containing space of the plier, and more other tools can be carried in the saved space.

The invention relates to a pliers actuation assembly (1), pliers, and a method for assembling a pliers actuation assembly (1). According to the invention, a pawl (85) has extensions (89), a spring (86) has extensions (92), and / or pull tabs (16, 17) have extensions (14, 15) which engage in a direction vertical to the pivot plane of hand levers (2, 3) in receptacles (90, 93, 12, 13) of hand lever plates (64, 65, 66, 67). The design according to the invention simplifies the assembly of the pliers actuation assembly (1), and also enables at least semi-automated assembly.

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 bolting device including an operation part disposed on a table and including a screwdriver bit, a jig part disposed on the table to contact an object to be bolted in which a bolt hole is defined and including a through-hole for guiding a bolt to the bolt-hole, a guide part inserted to the through-hole, having a hollow shape to accommodate the bolt therein, having an inclined inner surface with a shape having an internal diameter that gradually decreases in a downward direction to maintain verticality of the bolt, and having a portion cut in a movement direction of the bolt so that the inner surface is elastically opened when the bolt is moved downward, and an elastic part in contact with an outer circumferential surface of the guide part to elastically support a surrounding portion of a cut portion of the guide part in order to secure verticality of the bolt with respect to the object to be bolted.

The invention relates to the technical field of workpiece appliances, and particularly discloses a water gap clamp sleeve which comprises a shell, the shell is rectangular, a first containing cavity is formed in the upper end of the shell, a limiting block is fixed to one end of the first containing cavity, a limiting baffle is fixed to the other end of the first containing cavity, and a water gap clamp is placed in the first containing cavity; the limiting block is used for limiting the lower end of the water gap clamp, the limiting baffle is used for limiting the upper end of the water gap clamp, a first mounting hole is formed in the middle end of the first containing cavity, and a first magnet is mounted in the first mounting hole; a second mounting hole is formed in the bottom end of the shell, the second magnet is mounted in the second mounting hole, and an adhesive tape pasting area is further formed in the bottom end of the shell and used for fixing a clamp sleeve of the water gap clamp. The defects that in the prior art, the clamp sleeve of the water gap clamp cannot firmly fix the water gap clamp, and storage and attachment are not stable are overcome.

The pair of zipper repairing pliers comprises a first handle and a second handle, the zipper is characterized in that a zipper base is arranged at the front end of the first handle, a zipper core is arranged at the front end of the second handle, and when the first handle and the second handle rotate, the zipper base and the zipper core can be driven to be combined or separated; wherein the zipper core comprises a columnar core column, the zipper base comprises a bottom plate and a pair of vertical walls, namely a left vertical wall and a right vertical wall which are arranged on the left side and the right side of the bottom plate respectively, the left vertical wall is bent and comprises a left transverse plate and a left inclined plate, the right vertical wall is bent and comprises a right transverse plate and a right inclined plate, and the left vertical wall and the right vertical wall are arranged in a left-right mirror image mode. The top ends of the left inclined plate and the right inclined plate are respectively provided with a left wing part and a right wing part which extend towards the direction close to each other; a zipper tooth channel is defined by the bottom plate, the left vertical wall, the right vertical wall, the left wing part and the right wing part, the left transverse plate and the right transverse plate are arranged in parallel to form a meshing section of the zipper tooth channel, the left inclined plate and the right inclined plate are expanded from inside to outside and arranged in a horn shape to form a forked section of the zipper tooth channel, and an upper opening of the zipper tooth channel is defined by the left wing part, the right wing part, the left transverse plate and the right transverse plate.

Provide a chuck vise that can be firmly combined by combining two chuck vises and can simultaneously fix two separate independent workpieces in an orthogonal state. 【Solution means】Fix the chuck vise 1 and the chuck vise 2 at the joint part 3 to firmly combine them, and sandwich two independent workpieces A and B with the base parts 4 and 5 of the respective chuck vises, so that the workpieces A and B can be simultaneously fixed in an orthogonal state.

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 discloses a clamping device which comprises a mounting seat, a handle, a connecting piece and a plurality of clamping arms, the handle is rotatably arranged on the mounting seat, and the connecting piece is connected with one end of the handle; the clamping arms are movably arranged on the installation base, one end of each clamping arm is movably connected with the connecting piece, and under the condition that the handle rotates, the connecting piece is driven to move in the first direction so as to drive the clamping arms to rotate. According to the clamping device, the connecting piece can be driven to move in the first direction by pressing the handle so as to drive the clamping arm to rotate, clamping and carrying of small splicing parts can be achieved, the personal injury risk is reduced, the semi-automation efficiency of a machine table is improved through application of the clamping device, and in addition, the clamping device is simple and reliable in structure and convenient and fast to operate.

The utility model provides a spot welding machine electrode cap dismounting tool, and relates to the field of electrode cap dismounting tools, the spot welding machine electrode cap dismounting tool comprises an upper clamp body, a lower clamp body, a connecting bolt and an arc-shaped elastic sheet, the connecting bolt and the arc-shaped elastic sheet connect the upper clamp body and the lower clamp body, and the arc-shaped elastic sheet is installed in the middle of the upper clamp body and the lower clamp body through fixing screws; the front portion of the upper clamp body and the front portion of the lower clamp body are respectively provided with a connecting shaft sleeve, and the connecting bolt penetrates through the connecting shaft sleeves. The front end of the upper clamp body and the front end of the lower clamp body are U-shaped jaw parts, the jaw part of the upper clamp body is an electrode side jaw, the jaw part of the lower clamp body is an electrode cap side jaw, the electrode side jaw is larger than the electrode cap side jaw, and the front ends of the jaw parts are of L-shaped groove structures and used for being inserted into the conical connecting position of an electrode and an electrode cap. And handles are arranged at the rear parts of the upper clamp body and the lower clamp body. The electrode cap dismounting device is simple in structure and convenient to operate, the problem that the electrode cap is difficult to dismount is well solved, the electrode does not need to be placed in specific equipment to complete dismounting work, and working hours are saved.

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.

The branch binding clamp comprises a first clamp arm and a second clamp arm, the first clamp arm and the second clamp arm are rotationally connected, the front end of the first clamp arm is fixedly connected with a first clamp opening, the front portion of the first clamp opening is provided with a containing groove, and the containing groove is used for clamping and fixing a branch binding ring; the front end of the second plier arm is fixedly connected with a second jaw, the bottom of the second jaw is provided with a downward pressing groove, the downward pressing groove is used for containing the iron wire, and the second jaw is used for pressing the iron wire into the branch binding ring; the first jaw and the second jaw are closed through hand holding and pressing, an iron wire is pressed into the branch binding ring through the second jaw, the mode that fingers of an operator apply force to clamp the branch binding ring into the iron wire is replaced, and the production efficiency is improved.

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.

The utility model discloses a labor-saving wire stripper, and aims to solve the problem that when the wire stripper slides along an insulating layer along the length direction of an electric wire at present, friction resistance is formed between the insulating layer and the electric wire, so that the process is laborious. According to the technical scheme, the layer breaking pliers comprise handles, pliers heads and hinge pieces arranged between the handles and the pliers heads, layer breaking pieces used for breaking an insulating layer are fixedly arranged at the ends, close to the hinge pieces, of the handles, after the two layer breaking pieces are attached to each other, a plurality of layer breaking holes with different hole diameters are formed, and the layer breaking pieces are fixedly connected with layer breaking blades in the layer breaking holes. The layer breaking blades are arranged in the axis direction of the layer breaking holes. According to the utility model, an opening is cut on an insulating layer through the layer breaking blade, so that the insulating layer is separated from an inner core of a wire, the insulating layer can be directly torn off from the wire, overlarge frictional resistance is prevented from being formed in subsequent wire stripping operation, and the effects of saving labor and reducing working intensity are achieved.

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.