CN211915307U

CN211915307U - Electrician wire bending pliers

Info

Publication number: CN211915307U
Application number: CN201922141373.1U
Authority: CN
Inventors: 李为为
Original assignee: China Railway 18th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-11-13
Anticipated expiration: 2029-12-04

Abstract

An electrician wire bending pliers comprises a pliers handle, wherein one end of the pliers handle is a handheld end, the other end of the pliers handle is a wire bending end, an opening-closing angle adjusting unit is installed at the handheld end of the pliers handle, and a plurality of idler wheels matched with a clamped wire are rotatably installed at the wire bending end of the pliers handle; the clamp handle comprises a first clamp arm and a second clamp arm, wherein the middle part of the first clamp arm is hinged with the middle part of the second clamp arm, and the length of the wire bending end of the first clamp arm is smaller than that of the wire bending end of the second clamp arm; the gyro wheel includes inner arc gyro wheel and a plurality of outer arc gyro wheel, and wherein the inner arc gyro wheel rotates to be installed at the top of first tong arm, and outer arc gyro wheel rotates respectively to be installed at the top and the middle part of second tong arm. This electrician's curved line pincers has solved the bare-handed drawback of curved line of electrician's operating personnel, and curved line and reset angle all can be adjusted, has effectively promoted the operating efficiency and the curved line precision of electrician's curved line.

Description

Electrician wire bending pliers

Technical Field

The utility model relates to an electric power tool technical field, concretely relates to electrician's wire bending pliers.

Background

Electrician's operating personnel is in wiring or indoor line in-process of walking for the electronic box, often can meet the electric wire condition of buckling, should buckle most of the requirements and be the right angle, also have some special angle bent angles of laying along with the wall body, the electric wire is buckled by electrician's operating personnel manual usually during the wiring, its angle of buckling and the unable accurate assurance in position of buckling, and when needs wiring are more, electrician's operating personnel's working strength is great, bare-handed electric wire of bending is more laborious, inconvenient operation, and the electric wire that rolls over out is irregular moreover.

Through published patent searches, the following comparison documents were found:

a multifunctional pliers (CN205552327U) comprises a pliers body and a rubber sleeve, wherein the rubber sleeve is sleeved at the lower end of the pliers body; the pair of electrician pliers comprises a pair of left pliers arms and a pair of right pliers arms, wherein the end parts of the left pliers arms are provided with left pliers heads, the end parts of the right pliers arms are provided with right pliers heads, the left pliers arms and the right pliers arms are mutually rotatably connected in a hinge which is inserted in the hinge and provided with an axially fixed hinge pin, the left pliers arms are connected with the right pliers heads, the right pliers arms are connected with the left pliers heads, the front parts of the left pliers arms and the right pliers arms are provided with wire stripping grooves, and the wire stripping grooves are positioned at the lower parts of the left pliers heads and the right pliers heads; the end part of the right clamp arm is provided with a protective sleeve for connecting the right clamp arm and the left clamp arm; the utility model discloses simple structure can realize selecting for use different materials and technology through setting up line ball board, return spring, curved line hole and tangent line hole and make, provides this multi-functional pliers's life greatly, but through the beta structure of left tong arm and right tong arm, its is rational in infrastructure, easy and simple to handle, convenient to carry.

Through analysis, the wire bending structure, the wire bending using mode, the wire bending effect and other aspects of the pliers in the patent publication are all greatly different from the application, so the patent publication does not influence the novelty of the application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide an electrician's curved line pincers, this electrician's curved line pincers have solved the bare-handed drawback of curved line of electrician operating personnel, and curved line and angle of restoration all can be adjusted, have effectively promoted the operating efficiency and the curved line precision of electrician's curved line.

An electrician wire bending pliers comprises a pliers handle, wherein one end of the pliers handle is a handheld end, the other end of the pliers handle is a wire bending end, an opening-closing angle adjusting unit is installed at the handheld end of the pliers handle, and a plurality of idler wheels matched with a clamped wire are rotatably installed at the wire bending end of the pliers handle; the clamp handle comprises a first clamp arm and a second clamp arm, wherein the middle part of the first clamp arm is hinged with the middle part of the second clamp arm, and the length of the wire bending end of the first clamp arm is smaller than that of the wire bending end of the second clamp arm; the gyro wheel includes inner arc gyro wheel and a plurality of outer arc gyro wheel, and wherein the inner arc gyro wheel rotates to be installed at the top of first tong arm, and outer arc gyro wheel rotates respectively to be installed at the top and the middle part of second tong arm.

The opening and closing angle adjusting unit comprises a tensioning limiting rod and a clamping limiting rod which are fixedly arranged on the inner side of the first clamp arm, and the tensioning limiting rod and the clamping limiting rod both penetrate through the second clamp arm in a sliding manner; a reset spring is sleeved on the tensioning limiting rod on the inner side of the second tong arm, and an adjusting nut is connected with the tensioning limiting rod on the outer side of the second tong arm in a threaded manner; and a through limiting long hole is formed in the clamping limiting rod on the inner side of the second tong arm, and a limiting bolt is connected in the limiting long hole in an adjusting manner.

And the bent line ends of the first tong arm and the second tong arm are laterally and fixedly provided with rotating shafts, wherein the rotating shaft of the first tong arm is rotatably sleeved with an inner arc roller, and the rotating shaft of the second tong arm is rotatably sleeved with an outer arc roller.

And two ends of the return spring are respectively supported on the opposite side walls of the first clamp arm and the second clamp arm in a buffering mode.

And the limiting bolt penetrates through the limiting long hole, and both ends of the limiting bolt are in threaded connection with adjusting nuts pressed on the side wall of the limiting long hole.

The utility model has the advantages and the technical effect be:

the utility model discloses an electrician's pliers for bending wire, first tong arm and second tong arm through the hinge connection constitute the major structure of pliers for bending wire, through stretch-draw gag lever post, reset spring and adjusting nut, realize the first tong arm and the spacing of the open maximum angle of second tong arm, through pressing from both sides dress gag lever post, spacing slot hole, spacing bolt and adjusting nut, realize the first tong arm and the spacing of the minimum angle of second tong arm clamp state; the inner arc idler wheels and the outer arc idler wheels which are supported on two sides of the electric wire are matched to support the electric wire, and support is provided for bending angle deformation of the electric wire, and the bending angle of the electric wire is adjusted by the minimum angle of the clamping state of the first clamp arm and the second clamp arm;

the utility model discloses an electrician's curved wire pincers has solved the bare-handed curved wire problem of electrician's operating personnel among the prior art, and it is not high to have avoided the precision that bare-handed curved wire brought, and the quality is coarse, and big scheduling problem that electric wire intensity of labour is big of buckling in batches, is an electrician's curved wire pincers that have higher creativity.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a diagram illustrating the usage of the present invention;

fig. 3 is a side view of the elbow end of the present invention;

in the figure: 1-outer arc roller; 2-a second tong arm; 3-inner arc roller; 4-a rotating shaft; 5-a first tong arm; 6-tensioning a limiting rod; 7-a return spring; 8-adjusting the nut; 9-a limit bolt; 10-limiting long holes; 11-clamping a limiting rod; 12-an electrical wire; 13-adjusting the screw cap.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.

An electrician wire bending pliers comprises a pliers handle, wherein one end of the pliers handle is a handheld end, the other end of the pliers handle is a wire bending end, an opening-closing angle adjusting unit is installed at the handheld end of the pliers handle, and a plurality of idler wheels matched with a clamped wire are rotatably installed at the wire bending end of the pliers handle; the clamp handle comprises a first clamp arm 5 and a second clamp arm 2, wherein the middle part of the first clamp arm is hinged with the middle part of the second clamp arm, and the length of the wire bending end of the first clamp arm is smaller than that of the wire bending end of the second clamp arm; the gyro wheel includes inner arc gyro wheel 3 and a plurality of outer arc gyro wheel 1, and wherein the inner arc gyro wheel rotates to be installed at the top of first tong arm, and outer arc gyro wheel rotates respectively to be installed at the top and the middle part of second tong arm.

The opening and closing angle adjusting unit comprises a tensioning limiting rod 6 and a clamping limiting rod 11 which are fixedly arranged on the inner side of the first clamp arm, and the tensioning limiting rod and the clamping limiting rod both penetrate through the second clamp arm in a sliding manner; a reset spring 7 is sleeved on the tensioning limiting rod on the inner side of the second tong arm, and an adjusting nut 8 is in threaded connection with the tensioning limiting rod on the outer side of the second tong arm; the clamping limiting rod on the inner side of the second tong arm is provided with a through limiting long hole 10, and a limiting bolt 9 is connected in the limiting long hole in an adjusting way.

And the bent line ends of the first tong arm and the second tong arm are laterally and fixedly provided with rotating shafts 4, wherein the rotating shaft of the first tong arm is rotatably sleeved with an inner arc roller, and the rotating shaft of the second tong arm is rotatably sleeved with an outer arc roller.

And, the spacing bolt pierces through spacing slot hole, and the equal threaded connection in both ends of spacing bolt has the adjusting nut 13 of pressfitting on spacing slot hole lateral wall.

To more clearly illustrate the embodiments of the present invention, an example is provided below:

when the electrician wire bending pliers are used, the electric power operators need to hold the holding end of the wire bending pliers, firstly, the screwing position of the adjusting nut on the tensioning limiting rod is controlled according to the diameter of the wire 12 to be bent, so that the reset spring is supported on the opposite inner walls of the first tong arm and the second tong arm in a buffering manner, the automatic reset power of the wire bending pliers after the spring is bent can be provided, the maximum reset position of the wire bending pliers is limited, and the problem that the excessive reset causes the force application waste of a user is avoided; in addition, the fixed position of the limiting bolt in the limiting long hole is adjusted according to the bending angle of the electric wire to be bent, and a user only needs to press the second clamp arm to the position of the limiting bolt during each bending, so that the angle positioning of batch bent wires is realized, and the consistency of the bent wire angles is ensured; and finally, the operator clamps the electric wire to be bent between the inner arc roller and the outer arc roller of the bent end of the bending pliers, and finally, the operator tightly grips the handheld ends of the first plier arm and the second plier arm, so that the bending construction of the electric wire is completed.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides an electrician's curved line pincers, includes the pincers handle, and the one end of this pincers handle is for handing the end, and the other end is the bent line end, its characterized in that: the hand-held end of the forceps handle is provided with an opening and closing angle adjusting unit, and the wire bending end of the forceps handle is rotatably provided with a plurality of rollers which are matched with wires to be clamped; the clamp handle comprises a first clamp arm and a second clamp arm, wherein the middle part of the first clamp arm is hinged with the middle part of the second clamp arm, and the length of the wire bending end of the first clamp arm is smaller than that of the wire bending end of the second clamp arm; the rollers comprise inner arc rollers and a plurality of outer arc rollers, wherein the inner arc rollers are rotatably installed at the top of the first tong arm, and the outer arc rollers are respectively rotatably installed at the top and the middle of the second tong arm.

2. An electrical wire bending pliers according to claim 1, wherein: the opening and closing angle adjusting unit comprises a tensioning limiting rod and a clamping limiting rod which are fixedly arranged on the inner side of the first clamp arm, and the tensioning limiting rod and the clamping limiting rod both penetrate through the second clamp arm in a sliding manner; a reset spring is sleeved on the tensioning limiting rod on the inner side of the second tong arm, and an adjusting nut is connected to the tensioning limiting rod on the outer side of the second tong arm in a threaded manner; and a through limiting long hole is formed in the clamping limiting rod on the inner side of the second clamp arm, and a limiting bolt is connected in the limiting long hole in an adjusting manner.

3. An electrical wire bending pliers according to claim 1, wherein: and the bent line ends of the first tong arm and the second tong arm are laterally and fixedly provided with rotating shafts, wherein the rotating shaft of the first tong arm is rotatably sleeved with an inner arc roller, and the rotating shaft of the second tong arm is rotatably sleeved with an outer arc roller.

4. An electrical wire bending pliers according to claim 2, wherein: two ends of the reset spring are respectively supported on the opposite side walls of the first clamp arm and the second clamp arm in a buffering mode.

5. An electrical wire bending pliers according to claim 2, wherein: the limiting bolt penetrates through the limiting long hole, and adjusting nuts pressed on the side wall of the limiting long hole are connected to the two ends of the limiting bolt in a threaded mode.