CN216542813U

CN216542813U - Locking pliers

Info

Publication number: CN216542813U
Application number: CN202123043710.7U
Authority: CN
Inventors: 吕波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of locking pliers, in particular to a locking pliers, which comprises a fixed handle and a movable handle, wherein the end part of the fixed handle is fixedly connected with a fixed plier head, the end part of the movable handle is hinged with a movable plier head corresponding to the fixed plier head, and the tail part of the movable handle is in threaded connection with a butterfly adjusting screw rod. Thereby being capable of being carried and suspended with people and avoiding loss.

Description

Locking pliers

Technical Field

The utility model relates to the technical field of locking pliers, in particular to a locking pliers.

Background

The locking pliers are clamped by a self-locking structure formed by crossing a straight line consisting of three pivot points on a force line when a movable handle rotates, and the locking pliers currently used in petroleum have the following defects: 1) because the stainless steel pipeline needs to be sealed, the jaw of the locking pliers is easy to damage the stainless steel pipeline when clamping the stainless steel pipeline; 2) the adjusting screw of the locking pliers is of a flat head structure, and is used for adjusting the clamping angle of the locking pliers, so that the locking pliers are inconvenient to adjust; 3) has no suspension structure, and is easy to fall and lose.

In conclusion, the present invention solves the existing problems by designing a locking pliers.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a locking pliers to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the locking pliers comprise a fixed handle and a movable handle, wherein the end part of the fixed handle is fixedly connected with a fixed plier head, the end part of the movable handle is hinged with a movable plier head in a corresponding mode, the tail part of the movable handle is in threaded connection with a butterfly-shaped adjusting screw rod, an upper arc-shaped positioning groove and a lower arc-shaped positioning groove are correspondingly formed in the side wall, opposite to the movable plier head, of the fixed plier head, a hanging hole is formed in the outer end of the movable handle, and a safety rope penetrates through the inner portion of the hanging hole.

As a preferable scheme of the utility model, the fixed tong head is hinged on the fixed handle, the movable handle is hinged with a support rod on one side of the movable tong head, and the other end of the support rod is connected in a sliding groove arranged on the fixed handle in a sliding manner.

As a preferable scheme of the present invention, the sliding groove is formed along a length direction of the fixed handle, wherein the supporting rod is slidably connected inside the sliding groove, a spring is installed inside the sliding groove and between the supporting rod and the fixed bit, and the other end of the spring is connected in a positioning hole formed in the movable bit.

According to the preferable scheme of the utility model, the tail end of the fixed handle is provided with a threaded through hole, the threaded through hole and the sliding groove are in a communicated structure, and the butterfly-shaped adjusting screw is in threaded connection with the threaded through hole.

As a preferable scheme of the utility model, one end of the butterfly adjusting screw penetrates through the threaded through hole and extends to the inside of the sliding groove to be movably connected to the supporting rod, and the butterfly adjusting screw is in clearance fit with the sliding groove.

As the preferable scheme of the utility model, the upper arc-shaped positioning groove and the lower arc-shaped positioning groove have the same structure size.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the stainless steel pipeline is positioned and clamped by correspondingly arranging the upper arc-shaped positioning groove and the lower arc-shaped positioning groove on the side wall of the fixed tong head opposite to the movable tong head, so that the problem that the stainless steel pipeline is easily damaged when the jaw of the locking pliers clamps the stainless steel pipeline is effectively solved.

2. According to the utility model, the adjusting bolt of the locking pliers is set as the butterfly-shaped adjusting screw, so that the locking pliers can be conveniently adjusted by a worker, the labor-saving and portable effects are achieved, meanwhile, the locking pliers are provided with the hanging holes, and the hanging ropes are arranged on the hanging holes, so that the locking pliers can be carried with one body to be hung, and the locking pliers are prevented from being lost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a structural diagram of the locking pliers with the structure of the utility model with the jaw and the stainless steel pipeline in a state;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 according to the present invention.

In the figure: 1. fixing a handle; 2. a movable handle; 3. fixing the binding clip; 4. a movable binding clip; 5. a butterfly adjusting screw; 6. an upper arc-shaped positioning groove; 7. a hanging hole; 8. a safety cord; 9. a support bar; 10. a chute; 11. a spring; 601. a lower arc-shaped positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a locking pliers, including fixed handle 1 and activity handle 2, the tip fixedly connected with fixed binding clip 3 of fixed handle 1, the tip of activity handle 2 and with fixed binding clip 3 correspond articulated have movable binding clip 4, the afterbody threaded connection of activity handle 2 has butterfly adjusting screw 5, it has seted up arc positioning groove 6 to correspond on the lateral wall that fixed binding clip 3 is relative with movable binding clip 4, arc positioning groove 601 down, the hole 7 has been seted up and has been hung to the outer end of activity handle 2, the inside cross-under that hangs hole 7 has safety rope 8, thereby can hand-carry and hang, avoid losing.

As a preferable scheme of the utility model, the fixed tong head 3 is hinged on the fixed handle 1, the movable handle 2 is hinged with a support rod 9 with one side of the movable tong head 4, and the other end of the support rod 9 is connected in a sliding way inside a sliding groove 10 arranged on the fixed handle 1.

As a further preferable scheme of the present invention, the sliding groove 10 is formed along the length direction of the fixed handle 1, wherein the supporting rod 9 is slidably connected inside the sliding groove 10, the spring 11 is installed inside the sliding groove 10 and between the supporting rod 9 and the fixed binding clip 3, and the other end of the spring 11 is connected in a positioning hole formed on the movable binding clip 4.

As a further preferable scheme of the present invention, the tail end of the fixed handle 1 is provided with a threaded through hole, the threaded through hole and the chute 10 are in a communicating structure, and the butterfly-shaped adjusting screw 5 is in threaded connection with the threaded through hole.

As a further preferable scheme of the utility model, one end of the butterfly adjusting screw 5 penetrates through the threaded through hole and extends to the inside of the sliding groove 10 to be movably connected to the supporting rod 9, the butterfly adjusting screw 5 and the sliding groove 10 are in clearance fit, the supporting rod 9 is adjusted, and the size of the jaw of the locking pliers is adjusted.

As a further preferable scheme of the present invention, the upper arc-shaped positioning slot 6 and the lower arc-shaped positioning slot 601 have the same structural size, and the fixed handle 1 and the movable handle 2 are held by hand to make the fixed binding clip 3 and the movable binding clip 4 fit with each other, i.e. the upper arc-shaped positioning slot 6 and the lower arc-shaped positioning slot 601 are clamped on the outer wall of the stainless steel pipeline, thereby effectively solving the problem that the stainless steel pipeline is easily damaged when the jaws of the locking pliers clamp the stainless steel pipeline.

The working process of the utility model is as follows: when the locking pliers are used for clamping a stainless steel pipeline, under the action of the same structural size of the upper arc-shaped positioning groove 6 and the lower arc-shaped positioning groove 601, the fixed handle 1 and the movable handle 2 are held by a hand to promote the fixed binding clip 3 and the movable binding clip 4 to be mutually attached, namely, the upper arc-shaped positioning groove 6 and the lower arc-shaped positioning groove 601 are clamped on the outer wall of the stainless steel pipeline, in the process, the upper arc-shaped positioning groove 6 and the lower arc-shaped positioning groove 601 are correspondingly arranged on the side wall, opposite to the movable binding clip 4, of the fixed binding clip 3 to position and clamp the stainless steel pipeline, the problem that the stainless steel pipeline is easily damaged when a jaw of the locking pliers clamps clamp the stainless steel pipeline is effectively solved, and the adjusting bolt of the locking pliers is arranged as a butterfly adjusting screw rod, so that a worker can conveniently adjust the locking pliers, and the effects of labor saving and portability are achieved, meanwhile, a hanging hollow is formed in the locking pliers, and a hanging rope is arranged on the hanging hole, so that the locking pliers can be carried and hung, and loss is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locking pliers, includes fixed handle (1) and activity handle (2), its characterized in that: the end part of the fixed handle (1) is fixedly connected with a fixed tong head (3), the end part of the movable handle (2) is hinged with a movable tong head (4) corresponding to the fixed tong head (3), the tail part of the movable handle (2) is in threaded connection with a butterfly-shaped adjusting screw rod (5), an upper arc-shaped positioning groove (6) and a lower arc-shaped positioning groove (601) are correspondingly arranged on the side wall of the fixed tong head (3) opposite to the movable tong head (4), the outer end of the movable handle (2) is provided with a hanging hole (7), and a safety rope (8) penetrates through the hanging hole (7).

2. A locking pliers as claimed in claim 1 wherein: the fixed tong head (3) is hinged on the fixed handle (1), the movable handle (2) is hinged with a support rod (9) on one side of the movable tong head (4), and the other end of the support rod (9) is connected to the inside of a sliding groove (10) formed in the fixed handle (1) in a sliding mode.

3. A locking pliers as claimed in claim 2 wherein: the improved pliers are characterized in that the sliding groove (10) is formed along the length direction of the fixed handle (1), the supporting rod (9) is connected to the inside of the sliding groove (10) in a sliding mode, a spring (11) is arranged inside the sliding groove (10) and between the supporting rod (9) and the fixed pliers head (3), and the other end of the spring (11) is connected to a positioning hole formed in the movable pliers head (4).

4. A locking pliers as claimed in claim 3 wherein: the tail end of the fixed handle (1) is provided with a threaded through hole, the threaded through hole and the sliding groove (10) are of a communicated structure, and the butterfly-shaped adjusting screw rod (5) is in threaded connection with the threaded through hole.

5. A locking pliers as claimed in claim 4, wherein: one end of the butterfly adjusting screw rod (5) penetrates through the threaded through hole and extends to the inner part of the sliding groove (10) to be movably connected onto the supporting rod (9), and the butterfly adjusting screw rod (5) is in clearance fit with the sliding groove (10).

6. A locking pliers as claimed in claim 1 wherein: the upper arc-shaped positioning groove (6) and the lower arc-shaped positioning groove (601) are identical in structure size.