CN220313089U

CN220313089U - Multifunctional labor-saving shearing pliers

Info

Publication number: CN220313089U
Application number: CN202321833453.3U
Authority: CN
Inventors: 徐东光
Original assignee: Zhangjiagang Hengdun Tools Co ltd
Current assignee: Zhangjiagang Hengdun Tools Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-09
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a multifunctional labor-saving shearing pliers which comprises a pair of pliers heads and a pair of pliers handles, wherein the pliers heads are movably hinged through pliers head pin shafts, each pliers head is provided with a cutting edge and a wire stripping half groove, the cutting edges of the pliers heads and the wire stripping half grooves are mutually matched to form a shearing opening and a wire stripping hole, each pliers handle comprises a handle body and a handle head connecting part, the handle body is bent into a U shape by a metal plate, the handle head connecting parts are arranged at the front ends of the handle body and form a fork-shaped structure, the heads of the pliers head connecting parts are movably hinged through pliers handle center pin shafts, the tail parts of the pliers heads are respectively hinged with the corresponding pliers head connecting parts through pliers head rear part pin shafts, torsion springs are sleeved on the pliers handle center pin shafts, the torsion springs are positioned in the fork-shaped structure, the two ends of the torsion springs respectively lean against the tail parts of the two pliers heads, and a locking structure is arranged between the two pliers handle rear part pin shafts. The shearing pliers can facilitate the installation of the torsion spring, not only save labor, but also can be elastically spread, and are better and more convenient to operate.

Description

Multifunctional labor-saving shearing pliers

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a multifunctional labor-saving cutting pliers.

Background

The traditional pliers are riveted by the left and right sheets through rivets, the cutting edge reaches the shearing purpose, and the pliers are not provided with a labor-saving structure, so that the pliers are laborious to use, and the long-time operation can enable an operator to use fatigue to reduce the working efficiency. The patent document 202222720986.2 discloses a labor-saving clamp, which comprises a pair of clamp heads and a pair of clamp handles, wherein each clamp handle comprises a handle body and a handle head connecting rod, the handle head connecting rod is arranged at the end part of the handle body, the two clamp heads are mutually hinged and respectively hinged with the two handle head connecting rods, the two handle head connecting rods are mutually hinged, the clamp heads and the clamp handles form a secondary lever structure, and the output amplification effect of the labor-saving clamp is more obvious under the condition of the same size through the force transmission of the secondary lever structure, so that a better labor-saving effect is achieved.

However, such labor-saving pliers have the following disadvantages: 1. the clamp handle and the clamp head are mutually embedded through the clamp handle connecting concave part and the clamp head connecting concave part, so that the labor-saving clamp does not have a position for installing a return spring, and the labor-saving clamp has no elastic expanding effect; 2. the labor-saving pliers have few functions and only have clamping and shearing functions, so that the labor-saving pliers have poor adaptability.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the multifunctional labor-saving shearing pliers can facilitate the installation of torsion springs, save labor, and can be elastically unfolded, so that the multifunctional labor-saving shearing pliers are better and more convenient to operate.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a multi-functional laborsaving shearing pliers, includes a pair of binding clip and a pair of tong handle, articulated through the binding clip round pin axle between a pair of binding clip, be provided with blade and the wire stripping half-groove that are used for shearing on every binding clip, the blade and the wire stripping half-groove of a pair of binding clip mutually support and form shear cut and wire stripping hole, the tong handle includes metallic shank body and handle head connecting portion, shank body is formed into the U font by sheet metal bending, the binding clip connecting portion sets up at the front end of shank body and becomes fork structure, the head of binding clip connecting portion articulates through the binding clip center pin axle activity, the afterbody of a pair of binding clip articulates with corresponding binding clip connecting portion through the binding clip rear portion round pin axle respectively, and this binding clip rear portion round pin axle is located the rear of binding clip center pin axle, the epaxial cover of binding clip center pin is equipped with the torsional spring, and this torsional spring is located fork structure and both ends are supported respectively and lean on the afterbody of two binding clips, are provided with the locking structure that is used for locking shearing pliers in closed state between two binding clip rear portion round pin axles.

As a preferable scheme, the locking structure comprises a locking piece movably sleeved on a pin shaft at the rear part of one of the clamp handles, a poking part convenient to poke is arranged on the locking piece, and a locking clamping groove sleeved on a pin shaft at the rear part of the other clamp handle is arranged on the locking piece.

As a preferred solution, the outer side surfaces of the pair of forceps heads are provided with tooth planes on which teeth are provided.

As a preferable scheme, the head of one of the binding clip is provided with a line pressing groove, and the head of the other binding clip is provided with a line pressing protrusion matched with the line pressing groove.

As a preferred scheme, the head of the clamp head is provided with a thickened head, and the wire pressing groove and the wire pressing protrusion are both positioned on the thickened head.

As a preferable scheme, each clamp head is further provided with a screwing groove for screwing on one side of the cutting edge, and the notch of the screwing groove is arranged in a multi-tooth shape.

As a preferred embodiment, each of the jaws is provided as a thickening at a location corresponding to the position of the screw channel.

As a preferable scheme, the handle body is sleeved with a rubber sleeve.

After the technical scheme is adopted, the utility model has the following effects: because the pliers handle includes metallic handle body and handle head connecting portion, the handle body is formed into the U font by sheet metal bending, handle head connecting portion sets up at the front end of handle body and becomes fork structure, handle center pin axle activity articulates is passed through to the head of handle connecting portion, the afterbody of a pair of pliers head articulates with corresponding handle connecting portion through handle rear portion round pin axle respectively, and this handle rear portion round pin axle is located handle center pin axle's rear portion, handle center pin epaxial cover is equipped with the torsional spring, and this torsional spring is located fork structure and both ends are supported respectively and are leaned on the afterbody of two pliers heads, is provided with the locking structure that is used for locking shearing pliers in the closure state between two handle rear portion round pins, consequently, handle head connecting portion be fork structure can be better hold the torsional spring, also make things convenient for the torsional spring to extrude at the afterbody of pliers head simultaneously, utilize locking structure can make shearing pliers be in the closure state with two handle rear portion round pin axle locking, conveniently accomodate, and this shearing pliers can utilize shearing and wire stripping hole on the head to realize shearing and wire stripping, and the function is realized simultaneously more than the shearing pliers is twisted and is cut and is stripped.

The locking structure comprises the locking piece movably sleeved on the pin shaft at the rear part of one of the forceps handles, the locking piece is provided with the poking part convenient to poke, the locking piece is provided with the locking clamping groove clamped on the pin shaft at the rear part of the other forceps handle, and the locking piece can deflect by finger-wrenching the poking part, so that the locking clamping groove is locked on the pin shaft at the rear part of the forceps handle, and the operation is convenient.

And as the outer side surfaces of the pair of forceps heads are provided with the file tooth planes, the file teeth are arranged on the file tooth planes, and the file tooth planes can conveniently form files, so that burrs can be trimmed.

And because the head of one of the binding clip is provided with the line pressing groove, the head of the other binding clip is provided with the line pressing protrusion matched with the line pressing groove, the line pressing protrusion and the line pressing groove can be matched with each other to realize line pressing operation.

And because the head of the clamp head is provided with a thickened head, the wire pressing groove and the wire pressing protrusion are both positioned on the thickened head, the thickened head can conveniently enlarge the clamping surface of the clamp head, is convenient to twist, twist and clamp, and also enables the wire pressing groove and the wire pressing protrusion to be longer in the thickness direction, so that the requirement of longer wire pressing can be met.

And as the screwing groove for screwing is further formed in one side of the cutting edge of each binding clip, and the notch of the screwing groove is arranged into a multi-tooth shape, the screwing groove can conveniently accommodate parts such as a nut or a bolt head, and the like, so that screwing operation is convenient.

And because the position of each clamp head corresponding to the position of the screwing groove is set to be a thickening part, the thickening part can enable the depth of the screwing groove to be more convenient for the screw nut or the screw bolt head to enter, the stress during screwing is more reasonable, the contact stress surface with the screw nut or the screw bolt head is larger, and meanwhile, the strength of the cutting edge is also increased.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic front view of an embodiment of the present utility model;

FIG. 3 is a schematic side view of an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of FIG. 3 at A-A;

FIG. 5 is a perspective view of the grip after concealing a gum cover;

FIG. 6 is a cross-sectional view of a hidden sleeve;

fig. 7 is a perspective view of the binding clip;

in the accompanying drawings: 1. a clamp head; 11. stripping holes; 12. a line pressing protrusion; 13. a wire pressing groove; 14. tooth plane; 15. a cutout; 16. a screwing groove; 17. thickening the head; 18. a thickening portion; 2. a clamp handle; 21. a shank body; 22. a handle head connecting part; 3. a rubber sleeve; 31. a holding protrusion; 32. a hooking part; 4. a clamp head pin shaft; 5. center pin shaft of clamp handle; 6. the pin shaft is arranged at the rear part of the clamp handle; 7. a locking piece; 71. a toggle part; 8. and (3) a torsion spring.

Detailed Description

The present utility model will be described in further detail with reference to the following examples.

As shown in fig. 1 to 7, a multifunctional labor-saving shearing pliers comprises a pair of pliers heads 1 and a pair of pliers handles 2, wherein the pliers heads 1 are movably hinged through pliers head pin shafts 4, the side faces of the heads 1 are arranged to be inclined planes to form a structure similar to a frustum, cutting edges and wire stripping half grooves for shearing are arranged on each pliers head 1, the cutting edges and the wire stripping half grooves of the pliers heads 1 are mutually matched to form shearing cuts 15 and wire stripping holes 11, and in the embodiment, the wire stripping half grooves are multiple and the diameters of the formed wire stripping holes 11 are different, so that wire stripping requirements of wires with different diameters are met.

As shown in fig. 3 and 7, the outer side surfaces of the pair of binding clip 1 are provided with tooth planes 14, and the tooth planes 14 are provided with teeth. The file tooth plane 14 can be used for conveniently filing the flawed edge or plane, and the function of the file is realized.

The head of one of the binding clip 1 is provided with a line pressing groove 13, and the head of the other binding clip 1 is provided with a line pressing protrusion 12 which is matched with the line pressing groove 13. The wire pressing protrusions 12 are clamped into the wire pressing grooves 13 to achieve wire pressing, and wire pressing connection of some wires and metal terminals is facilitated. In this embodiment, the head of the binding clip 1 is provided with a thickened head 17, and the wire pressing groove 13 and the wire pressing protrusion 12 are both located on the thickened head 17, so that the strength of the binding clip 1 can be increased by the thickened head 17, and meanwhile, the lengths of the wire pressing groove 13 and the wire pressing protrusion 12 in the thickness direction are increased, so that the binding clip is convenient and suitable for reliable connection between a longer metal terminal and a wire.

Each binding clip 1 is further provided with a screwing groove 16 for screwing on one side of the cutting edge, and the notch of the screwing groove 16 is arranged into a multi-tooth shape. Each of the pliers heads 1 is provided with a thickening 18 at a location corresponding to the position of the screw groove 16. Wherein the thickness of the thickened portion 18 and the thickness of the thickened head portion 17 are preferably equal, the screwing groove 16 can be used for unscrewing or screwing nuts, bolts or screws, and can also replace tapping wrenches.

As shown in fig. 1 to 6, the pliers handle 2 comprises a metal handle body 21 and a handle head connecting part 22, the handle body 21 is bent into a U shape by a metal plate, the handle head 1 connecting part is arranged at the front end of the handle body 21 and is in a fork-shaped structure, and the U-shaped structure of the handle body 21 not only can ensure enough strength under the condition of reducing metal materials, but also is convenient for the handle head 1 connecting part to form the fork-shaped structure. The rubber sleeve 3 is sleeved on the handle body 21. The rubber sleeve 3 is provided with a holding protrusion 31 which is convenient to hold, the tail part of the rubber sleeve 3 is provided with a hook part 32 which is convenient to hook, and the hook part 32 is provided with a hook hole.

The head of the connecting part of the forceps heads 1 is movably hinged through a forceps handle center pin shaft 5, the tail parts of the pair of forceps heads 1 are respectively hinged with the corresponding connecting part of the forceps heads 1 through a forceps handle rear pin shaft 6, the forceps handle rear pin shaft 6 is positioned at the rear of the forceps handle center pin shaft 5, a torsion spring 8 is sleeved on the forceps handle center pin shaft 5, the torsion spring 8 is positioned in a fork-shaped structure, two ends of the torsion spring 8 respectively lean against the tail parts of the two forceps heads 1, the torsion force of the torsion spring 8 forces the two forceps heads 1 to open, and a locking structure for locking the shearing forceps in a closed state is arranged between the two forceps handle rear pin shafts 6.

In this embodiment, the locking structure includes a locking piece 7 movably sleeved on the pin shaft 6 at the rear portion of one of the handles, a poking portion 71 convenient for poking is provided on the locking piece 7, a locking slot is provided on the locking piece 7 and is clamped on the pin shaft 6 at the rear portion of the other handle, wherein the opening side of the locking slot faces the pliers head 1, that is, the locking piece 7 is deflected from the pliers handle 2 side to clamp the pin shaft at the rear end of the pliers handle 2, so that the shearing pliers can be locked in a closed state.

The shearing pliers in the embodiment can realize the functions of clamping, shearing, twisting, screwing a bolt and a nut, stripping wires, pressing wires and filing, and the overall cost performance is higher and the functions are more complete.

The above examples are merely illustrative of the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, and various modifications and adaptations of the technical solution of the present utility model should and are intended to fall within the scope of the present utility model as defined in the claims.

Claims

1. The utility model provides a multi-functional laborsaving shearing pliers, includes a pair of binding clip and a pair of pincers handle, articulated through binding clip round pin axle activity between a pair of binding clip, be provided with the blade and the wire stripping half slot that are used for shearing on every binding clip, the blade and the wire stripping half slot of a pair of binding clip mutually support and form shear cut and wire stripping hole, its characterized in that: the pliers handle comprises a metal handle body and a handle head connecting part, the handle body is bent into a U shape by a metal plate, the handle head connecting part is arranged at the front end of the handle body and forms a fork-shaped structure, the heads of the handle head connecting parts are movably hinged through pliers handle center pin shafts, the tail parts of a pair of pliers heads are respectively hinged with the corresponding pliers head connecting parts through pliers handle rear pin shafts, the pliers handle rear pin shafts are positioned at the rear of the pliers handle center pin shafts, torsion springs are sleeved on the pliers handle center pin shafts, are positioned in the fork-shaped structure, the two ends of the torsion springs respectively lean against the tail parts of two pliers heads, and locking structures for locking the pliers in a closed state are arranged between the two pliers handle rear pin shafts.

2. A multi-functional labor-saving cutting pliers as defined in claim 1 wherein: the locking structure comprises a locking piece movably sleeved on a pin shaft at the rear part of one of the clamp handles, a poking part convenient to poke is arranged on the locking piece, and a locking clamping groove clamped on the pin shaft at the rear part of the other clamp handle is arranged on the locking piece.

3. A multi-functional labor-saving cutting pliers as defined in claim 2 wherein: the outer side surfaces of the pair of forceps heads are provided with file tooth planes, and file teeth are arranged on the file tooth planes.

4. A multi-functional labor-saving cutting pliers according to claim 3, wherein: the head of one of the binding clip is provided with a line pressing groove, and the head of the other binding clip is provided with a line pressing protrusion matched with the line pressing groove.

5. A multi-functional labor-saving cutting pliers as defined in claim 4 wherein: the head of the clamp head is provided with a thickened head, and the line pressing groove and the line pressing protrusion are both positioned on the thickened head.

6. A multi-functional labor-saving cutting pliers as defined in claim 5 wherein: each clamp head is further provided with a screwing groove used for screwing on one side of the cutting edge, and the notch of the screwing groove is arranged in a multi-tooth shape.

7. A multi-functional labor-saving cutting pliers as defined in claim 6 wherein: each clamp head is provided with a thickening part at a position corresponding to the screwing groove.

8. A multi-functional labor-saving cutting pliers as defined in claim 7 wherein: the handle body is sleeved with a rubber sleeve.