CN214640909U - Electric welding pliers - Google Patents

Abstract

The utility model provides an electric welding pliers belongs to welding equipment technical field, include: the clamp body is provided with straight handle subassembly and the articulated subassembly of keeping silent of installing on straight handle subassembly on the clamp body, and the subassembly of keeping silent passes through the spring to be connected with straight handle subassembly, and straight handle subassembly includes insulating handle and installs the current conducting plate in insulating handle, and current conducting plate and cable junction are provided with the briquetting that is used for fixed screw of fixed cable and is used for compressing tightly cable on the current conducting plate. The utility model provides a pair of electrode holders, through be provided with the first set screw that is used for fixed cable on the current conducting plate and the briquetting that is used for compressing tightly cable, avoid the cable pine to take off the electrode holders who causes and damage and the potential safety hazard, simple structure is reasonable, and it is convenient to assemble.

Description

Electric welding pliers

Technical Field

The utility model belongs to the technical field of welding equipment, a electrode holders is related to.

Background

The electrode holder is used for holding electrode and conducting welding current during welding. Electrode holders among the prior art, it is fixed through the screw that its cable passes through between the current conducting plate more, however screw and cable area of contact are less, difficult compress tightly, and can arouse the not hard up of screw when the slight movement appears in the cable position, can lead to the cable to fix insecurely after the screw is not hard up, and the resistance between cable and the current conducting plate can increase promptly, influences electrode holders's life, and safe unreliable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an electrode holders, on being fixed in the current conducting plate with the cable through screw and briquetting, avoided the cable pine to take off the electrode holders who causes and damage and the potential safety hazard, simple structure is reasonable, and it is convenient to assemble.

The purpose of the utility model can be realized by the following technical proposal: an electrode holder comprising:

the clamp body is provided with straight handle subassembly and the articulated subassembly of keeping silent of installing on straight handle subassembly on the clamp body, and the subassembly of keeping silent passes through the spring to be connected with straight handle subassembly, and straight handle subassembly includes insulating handle and installs the current conducting plate in insulating handle, and current conducting plate and cable junction are provided with the briquetting that is used for fixed screw of fixed cable and is used for compressing tightly cable on the current conducting plate.

In the electrode holder, the insulating handle is wrapped with the straight handle housing, the straight handle housing comprises a first straight handle housing connected with the current-conducting plate through a second fixing screw, the current-conducting plate connected with the first straight handle housing comprises a first surface and a second surface, and the second fixing screw is vertically arranged on the first surface.

In the electrode holder, the straight shank housing further comprises a second straight shank housing connected to the conductive plate by a third fixing screw.

In the electrode holders, the jaw assembly comprises a jaw and a jaw cover connected with the jaw, and the jaw cover is connected with the jaw through a fourth fixing screw.

In one of the above described electrode holders, the jaw includes a third surface and a fourth surface, and the fourth fixing screw is vertically mounted on the third surface.

In the electrode holder, the jaw assembly further comprises a bent arm and a bent arm cover covering the bent arm.

In the electrode holders, the bent arm housing and the jaw housing are arranged in a split manner.

In foretell electrode holders, the one side of bent arm housing towards insulating handle outwards extends and forms the convex part, forms along convex part thickness direction and holds the chamber, is provided with the spring housing on the insulating handle of the opposite side of chamber with holding, the one end embedded of spring is held the intracavity, and the other end nestification is on the spring housing.

In the electrode holder, the jaw and the bent arm are integrally formed.

In the electrode holder, the jaw is provided with a plurality of saw teeth.

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

(1) the utility model provides a pair of electrode holders is through setting up set screw and briquetting on the current conducting plate for area of contact is big between cable and the current conducting plate, and is fixed more firm, avoids damaging long service life and safe and reliable because of the not hard up electrode holders who leads to of cable.

(2) Through set up on the bent arm housing and hold the chamber and set up the spring housing on insulating handle for the spring installation is convenient, and simple structure is reasonable compact.

(3) Through with the split type setting of bent arm housing with the housing of keeping silent, avoid keeping silent the articulated housing of department of subassembly appear buckling and dragging when using, and the heat dissipation of being more convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the electrode holder of the present invention.

Fig. 2 is a partial enlarged view a of the electrode holder of the present invention.

Fig. 3 is a partial enlarged view B of the electrode holder of the present invention.

In the figure, 100, a caliper body; 200. a straight shank assembly; 210. an insulated handle; 211. a straight shank housing; 211a, a first straight shank housing; 211b, a second straight shank housing; 220. a conductive plate; 221. a first surface; 222. a second surface; 230. a first set screw; 240. briquetting; 250. a second set screw; 260. a third set screw; 270. a spring housing; 280. a first counterbore; 290. a second counterbore; 300. a jaw assembly; 310. a jaw; 311. a third surface; 312. a fourth surface; 313. saw teeth; 320. a jaw housing; 330. a fourth set screw; 340. bending the arm; 350. a curved arm housing; 360. a third counterbore; 351. a convex portion; 352. an accommodating chamber; 400. a spring; 500. an electrical cable.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the utility model provides an electrode holder, include: the clamp comprises a clamp body 100, wherein a straight handle assembly 200 and a clamp assembly 300 hinged on the straight handle assembly 200 are arranged on the clamp body 100, the clamp assembly 300 is connected with the straight handle assembly 200 through a spring 400, the straight handle assembly 200 comprises an insulating handle 210 and a conductive plate 220 arranged in the insulating handle 210, the conductive plate 220 is connected with a cable 500, and a first fixing screw 230 for fixing the cable 500 and a pressing block 240 for pressing the cable 500 are arranged on the conductive plate 220.

The utility model provides a pair of electrode holders, be provided with the first set screw 230 that is used for fixed cable 500 on the current conducting plate 220 and be used for compressing tightly briquetting 240 of cable 500, make the area of contact between cable 500 and the current conducting plate 220 big, it is more firm to fix, even cable 500 slightly shifts position, the briquetting 240 still pressfitting is firm with the current conducting plate 220, avoid producing the big resistance between cable 500 and the current conducting plate 220 and lead to the electrode holders to damage, long service life and safe and reliable; preferably, two first fixing screws 230 are provided to uniformly lock the pressing blocks 240, so as to avoid the occurrence of locking failure caused by non-uniform local force; further preferably, the first fixing screw 230 is an inner hexagonal set screw, and can be directly locked with the pressing block 240, and no additional nut or other parts are required, so that time and labor are saved; further preferably, the first fixing screw 230 is disposed close to one side of the spring 400, so that the connection between the conductive plate 220 and the cable 500 is far away from the handle of the operator, and the influence on the working efficiency of the operator due to the excessive burning of the insulating handle 210 caused by the heat accumulation is avoided.

Preferably, as shown in fig. 1 to 3, the insulating handle 210 is wrapped with a straight handle case 211, the straight handle case 211 includes a first straight handle case 211a connected to the conductive plate 220 by a second fixing screw 250, the conductive plate 220 connected to the first straight handle case 211a includes a first surface 221 and a second surface 222, and the second fixing screw 250 is vertically installed on the first surface 221.

It is further preferable that the conductive plate 220 is made of high-quality brass and the stem cover 211 is made of high-strength fiber resin.

In this embodiment, the first straight shank casing 211a is configured as an inclined plane, a first counter bore 280 is formed on the inclined plane near the second straight shank casing, and the second fixing screw 250 is installed in the first counter bore 280 and perpendicular to the first surface 221, so as to fix the first straight shank casing 211a and the conductive plate 220, so that the positioning and installation are easy, and the structure is compact and reasonable; further preferably, the conductive plate 220 is made of high-quality red copper, which has higher purity, better conductivity and long service life than common brass, and the straight handle housing 211 is made of high-strength fiber resin, so that the insulating and heat-insulating properties are better, and the injury to operators caused by electric leakage or over-ironing of the insulating handle 210 is avoided.

Preferably, as shown in fig. 1 to 3, the straight-handle case 211 further includes a second straight-handle case 211b connected to the conductive plate 220 by a third fixing screw 260.

In this embodiment, a second counter bore 290 is disposed on a side of the second straight-handle housing 211b close to the spring 400, and the third fixing screw 260 is installed in the second counter bore 290 to fix the second straight-handle housing 211b and the conductive plate 220.

Preferably, as shown in fig. 1-3, jaw assembly 300 includes a jaw 310 and a jaw housing 320 coupled to jaw 310, jaw housing 320 coupled to jaw 310 via a fourth set screw 330.

Further preferably, the jaw 310 includes a third surface 311 and a fourth surface 312, and the fourth set screw 330 is perpendicularly mounted to the third surface 311.

Further preferably, the jaw assembly 300 further comprises a bent arm 340 and a bent arm housing 350 that wraps around the bent arm 340.

Further preferably, the jaws 310 are integrally formed with the curved arms 340.

It is further preferred that the bent arm housing 350 be a split arrangement with the jaw housing 320.

In this embodiment, the jaw 310 and the curved arm 340 are integrally formed and are "Z" shaped, the connection portion of the jaw 310 and the curved arm 340 is hinged to the insulating handle 210, the jaw housing 320 is disposed in an inclined plane, a third counterbore 360 is disposed on the inclined plane, and the fourth fixing screw 330 is mounted in the third counterbore 360 and perpendicular to the third surface 311 for fixing the jaw 310 and the jaw housing 320, so as to facilitate positioning and mounting and have a reasonable and compact structure; further preferably, the curved arm housing 350 is nested on the curved arm 340, so that the insulation performance is better, and the curved arm housing 350 and the jaw housing 320 are arranged in a split manner, so that the connection part is prevented from being extruded or pulled when the curved arm 340 moves.

Preferably, as shown in fig. 1 to 3, a convex portion 351 is formed by extending outward a side of the curved arm casing 350 facing the insulated handle 210, a receiving cavity 352 is formed along a thickness direction of the convex portion 351, a spring casing 270 is disposed on the insulated handle 210 on a side opposite to the receiving cavity 352, one end of the spring 400 is embedded in the receiving cavity 352, and the other end is embedded on the spring casing 270.

In this embodiment, one end of the spring 400 is nested on the spring housing 270, and the other end is nested in the accommodating cavity 352, when the spring 400 is installed, only the spring housing 270 needs to be sleeved with the spring 400, and then the spring 400 is sleeved in the accommodating cavity 352, and directional fixation can be achieved without an additional fixing device, so that the spring 400 has a simple, reasonable and compact structure and is convenient to assemble and disassemble; further preferably, the surface of the spring 400 is subjected to dehydrogenation quenching, 10000 times of fatigue tests can be resisted, and the service life is long.

It is further preferable that a side of the insulated handle 210 adjacent to the third fixing screw 260 is provided with a step.

In this embodiment, through set up the step on insulating handle 210 for the welding electrode holder can easily be taken to operating personnel, avoids having the point of application of force to take because of welding electrode holder laminating ground.

Further preferably, the jaw 310 is provided with a plurality of serrations 313.

In this embodiment, the plurality of saw teeth 313 are arranged on the jaw 310, so that the jaw 310 can firmly clamp the welding rod, the welding rod is not easy to loosen, and the welding rod is prevented from falling off in the operation process to influence the working efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. An electrode holder, comprising:

the clamp comprises a clamp body, wherein a straight handle assembly and a clamp jaw assembly which is hinged to the straight handle assembly are arranged on the clamp body, the clamp jaw assembly is connected with the straight handle assembly through a spring, the straight handle assembly comprises an insulating handle and a conducting plate arranged in the insulating handle, the conducting plate is connected with a cable, and a first fixing screw for fixing the cable and a pressing block for pressing the cable are arranged on the conducting plate.

2. An electrode holder according to claim 1 wherein the insulated handle is wrapped with a straight shank housing comprising a first straight shank housing connected to a conductive plate by a second set screw, wherein the conductive plate comprises a first surface and a second surface and the second set screw is mounted perpendicularly to the first surface.

3. An electrode holder according to claim 2 wherein the shank housing further comprises a second shank housing connected to the conductive plate by a third set screw.

4. The electrode holder of claim 3 wherein the jaw assembly comprises a jaw and a jaw housing connected to the jaw, the jaw housing being connected to the jaw by a fourth set screw.

5. An electrode holder according to claim 4 wherein the jaw comprises a third surface and a fourth surface and the fourth fixing screw is mounted vertically on the third surface.

6. The electrode holder of claim 3 wherein the jaw assembly further comprises a bell crank and a bell crank housing surrounding the bell crank.

7. An electrode holder according to claim 6 wherein the horn housing and jaw housing are provided in a split arrangement.

8. An electrode holder according to claim 6 wherein the side of the curved arm casing facing the insulated handle extends outwardly to form a protrusion, a receiving cavity is formed along the thickness of the protrusion, and a spring casing is provided on the insulated handle opposite the receiving cavity, wherein one end of the spring is embedded in the receiving cavity and the other end of the spring is embedded in the spring casing.

9. An electrode holder according to claim 6 wherein the jaws are integrally formed with the bent arm.

10. An electrode holder according to claim 6 wherein the jaws are provided with a plurality of serrations.

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