16results 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.

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 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.

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 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 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.

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 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.

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 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 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.

Discussed is a bolting device including an operation part disposed on a table; a jig disposed on the table to contact an object to be bolted in which a bolt hole is defined, the jig including a through-hole for guiding a bolt to the bolt hole; a guide inserted to the through-hole, the guide having a hollow shape to accommodate the bolt therein, the guide 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 the guide further 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 to elastically support a surrounding portion of a cut portion of the guide.