CN210475928U

CN210475928U - Labor-saving electric welding tongs

Info

Publication number: CN210475928U
Application number: CN201921129495.2U
Authority: CN
Inventors: 黄绍忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-08
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a laborsaving electrode holders, including a straight shank subassembly, the nearly front end upper surface of this straight shank subassembly is upwards protruding to have two first lugs, and straight shank subassembly is articulated through two first lugs and top handle, and this handle front end still keeps silent the subassembly even as an organic whole with last through the bolt with the handle, and the preceding tip of subassembly of should going up to keep silent is parallel with straight shank subassembly, extends towards the slant of back top behind the spiro union point, and the horizontal extension again of back tip, and back tip lower surface meets through spring leaf and straight shank subassembly, is provided with two second lugs between this top contact and the first lug in the place ahead, it has a pulling force piece to articulate on the second lug, and this pulling force piece upper end is articulated mutually with the horizontal bending department in last subassembly rear of keeping silent, and this laborsaving electrode holders is rational in infrastructure, effectively reduces the required pressure of using electrode holders.

Description

Labor-saving electric welding tongs

Technical Field

The utility model relates to a labor-saving electric welding pliers.

Background

The existing market electric welding pliers are directly held down by the thumb on the upper part of the spring with great force, the whole hand will be painful after several days of work, and the working efficiency of workers is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the utility model aims to solve the technical problem that a labor-saving electrode holder is provided, which is not only reasonable in structure, but also effectively reduces the pressure required by the electrode holder.

In order to solve the technical problem, the technical scheme of the utility model is that: a labor-saving electric welding tongs comprises a straight handle assembly, wherein two first convex blocks are upwards protruded on the upper surface of the straight handle assembly close to the front end, the straight handle assembly is hinged with an upper handle through the two first convex blocks, the front end of the handle is connected with the upper jaw assembly into a whole through a bolt, the front end part of the upper jaw assembly is parallel to the straight handle assembly, the upper jaw assembly obliquely extends towards the rear upper part through a screw joint, the rear end part horizontally extends, the lower surface of the rear end part is connected with the straight handle assembly through a spring piece, two second convex blocks are arranged between the top joint and the first convex block in front, a tension piece is hinged on each second convex block, and the upper end of each tension piece is hinged with the horizontal bending part at the rear part of the upper jaw assembly.

Further, the handle middle part is seted up and is supplied the mouth of stepping down that the subassembly of keeping silent was placed, should step down the mouth and extend forward to the handle front end and run through the handle from top to bottom.

Furthermore, the two first convex blocks are arranged on the upper surface of the straight handle assembly in a bilateral symmetry manner, close to the left edge and the right edge, and the centers of the two first convex blocks are hinged with the handle through two first hinge rods which are arranged in a penetrating manner; the two second convex blocks are respectively arranged on the left edge and the right edge of the upper surface of the straight handle assembly, and the centers of the second convex blocks are hinged with the tension sheet through two second hinge rods which are arranged in a penetrating manner; the tension sheet and the upper jaw assembly are hinged with the upper jaw assembly through a third hinge rod which penetrates through the two tension sheets left and right.

Furthermore, the front end of the handle is in threaded connection with the inclined upper turning part of the horizontal section at the front end of the upper jaw assembly through a bolt, and the threaded point is higher than the hinged point of the first convex block.

Furthermore, the upper surface of the straight shank component is fixedly provided with two supporting seats for supporting the spring piece, the number of the spring pieces is two, the number of the supporting seats is also two, grooves are formed in the upper surface of the supporting seat and the lower surface of the rear end part of the upper jaw component, the upper end of the spring piece is connected to the groove of the upper jaw component in an abutting mode, and the lower end of the spring piece is connected to the groove of the upper surface of the supporting seat in an abutting mode.

Furthermore, a steel ball is arranged at the joint of the spring piece and the groove top.

Furthermore, the outer part of the straight handle component, the outer part of the horizontal section at the front end of the upper jaw component and the outer part of the handle are coated and are connected with a high-temperature resistant plastic shell in a screwed mode through screws.

Compared with the prior art, the utility model discloses following beneficial effect has: this laborsaving electric welding pliers adopts the principle of ox head crowbar to first lug department is the fulcrum, through handle and last subassembly spiro union of keeping silent, the handle is articulated with straight shank subassembly, and in addition the design of spring leaf, can effectively alleviate also can make under the artifical pressure that pushes down the condition that the subassembly front end of keeping silent opens and shuts, accomplishes the pincers clamp work, and simple structure is reasonable, effectively reduces and uses the required pressure of electric welding pliers.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the usage state of fig. 1.

In the figure: 1-straight handle component, 2-first lug, 3-handle, 4-upper jaw component, 5-spring piece, 6-second lug, 7-tension piece, 8-first hinge rod, 9-second hinge rod, 10-third hinge rod, 11-support seat, 12-groove, 13-steel ball, 14-screw, 15-plastic shell and 16-bolt.

Detailed Description

As shown in figures 1-2, a labor-saving electrode holder comprises a straight handle assembly 1, wherein two first convex blocks 2 are protruded upwards on the upper surface of the straight handle assembly near the front end, the straight handle assembly is hinged with an upper handle 3 through the two first convex blocks, the front end of the handle is connected with an upper jaw assembly 4 into a whole through a bolt, the front end part of the upper jaw assembly is parallel to the straight handle assembly, the upper jaw assembly extends obliquely towards the rear upper part through a screw joint, the rear end part extends horizontally, the lower surface of the rear end part is connected with the straight handle assembly through a spring piece 5, two second convex blocks 6 are arranged between the top joint and the first convex blocks in front, a tension sheet 7 is hinged on the second convex blocks, and the upper ends of the tension sheets are hinged with the horizontal bending part behind the upper jaw assembly.

The embodiment of the utility model provides an in, the handle middle part is seted up and is supplied the mouth of stepping down that the subassembly of keeping silent was placed, should step down the mouth and extend forward to the handle front end and run through the handle from top to bottom.

In the embodiment of the utility model, the two first lugs are arranged on the upper surface of the straight shank component near the left and right edges in a bilateral symmetry way, and the centers of the two first lugs are hinged with the handle through the two first hinge rods 8; the two second convex blocks are respectively arranged on the left edge and the right edge of the upper surface of the straight handle assembly, and the centers of the second convex blocks are hinged with the tension sheet through two second hinge rods 9 which penetrate through the centers of the second convex blocks; the tension sheet and the upper jaw assembly are hinged with the upper jaw assembly through the third hinge rod 10 which penetrates through the two tension sheets left and right, and the tension sheet can effectively promote the horizontal section at the front end of the upper jaw assembly to open and close.

The embodiment of the utility model provides an in, the handle front end passes through bolt 16 and the horizontal section of last subassembly front end of keeping silent and turns department spiro union on one side, and this spiro union point is higher than the pin joint of first lug.

The embodiment of the utility model provides an in, the straight shank subassembly upper surface sets firmly supporting seat 11 that supports the spring leaf, the spring leaf is provided with two, and the supporting seat also is provided with two, and this supporting seat upper surface all seted up recess 12 with last subassembly rear end lower surface of keeping silent, spring leaf upper end apical grafting is in last subassembly of keeping silent, and the lower extreme apical grafting is in the recess of supporting seat upper surface, and this spring leaf also can be replaced by circular spring during production, and the pulling force piece only need set up a pulling force piece can when replacing for circular spring, this pulling force piece can effectively restrict handle and last subassembly of keeping silent's elasticity lift scope, prevents to keep silent subassembly front-end component on the too big damage of elasticity lift.

The embodiment of the utility model provides an in, spring leaf and recess apical grafting department are provided with steel ball 13, and this spring leaf upper and lower port department is interior concavity and cooperatees with the steel ball, the effectual positioning action who plays the spring leaf.

In the embodiment of the utility model, the outer of the straight handle component, the outer of the horizontal section of the front end of the upper jaw component and the outer of the handle are all wrapped and are connected with a high temperature resistant plastic shell 15 through a screw 14 in a screwed way.

The utility model discloses theory of operation of embodiment: press down the handle during use, clockwise turning under the effect with first lug as the fulcrum, will drive the subassembly syntropy of keeping silent under the effect of bolt after that, the spring leaf compression when rotatory, the pulling force piece clockwise turning, the horizontal section of the subassembly front end of keeping silent is opened and shut up thereupon on, the completion action of opening and shutting, place the electric welding rod after that, loosen the handle of pushing down again, the spring leaf resets, the pulling force piece anticlockwise rotation will stimulate handle and last subassembly of keeping silent in order to prevent that the elasticity from rising excessively, handle and last subassembly of keeping silent reset thereupon.

The utility model is not limited to the above best mode, and any person can obtain other labor-saving electrode holders in various forms under the teaching of the utility model. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims

1. A labor-saving electrode holder is characterized in that: the upper surface of the straight handle component near the front end is upwards protruded with two first convex blocks, the straight handle component is hinged with an upper handle through the two first convex blocks, the front end of the handle is connected with the upper jaw component into a whole through a bolt, the front end part of the upper jaw component is parallel to the straight handle component, obliquely extends towards the rear upper part through a screw joint, the rear end part horizontally extends, the lower surface of the rear end part is connected with the straight handle component through a spring piece, two second convex blocks are arranged between the top joint and the first convex block in front, a tension sheet is hinged on the second convex blocks, and the upper end of the tension sheet is hinged with the horizontal bending part at the rear part of the upper jaw component.

2. A labor saving electrode holder as defined in claim 1, wherein: the handle middle part is seted up and is supplied the mouth of stepping down that the subassembly of keeping silent was placed, should step down the mouth and extend forward to the handle front end and run through the handle from top to bottom.

3. A labor saving electrode holder as defined in claim 1, wherein: the two first convex blocks are arranged on the upper surface of the straight handle assembly in a bilateral symmetry manner and close to the left edge and the right edge, and the centers of the two first convex blocks are hinged with the handle through two first hinge rods which are arranged in a penetrating manner; the two second convex blocks are respectively arranged on the left edge and the right edge of the upper surface of the straight handle assembly, and the centers of the second convex blocks are hinged with the tension sheet through two second hinge rods which are arranged in a penetrating manner; the tension sheet and the upper jaw assembly are hinged with the upper jaw assembly through a third hinge rod which penetrates through the two tension sheets left and right.

4. A labor saving electrode holder as defined in claim 1, wherein: the front end of the handle is in threaded connection with an inclined upper turning point of the horizontal section at the front end of the upper jaw assembly through a bolt, and the threaded point is higher than the hinged point of the first convex block.

5. A labor saving electrode holder as defined in claim 1, wherein: the upper surface of the straight handle assembly is fixedly provided with two supporting seats for supporting the spring piece, the number of the spring piece is two, the number of the supporting seats is also two, grooves are formed in the upper surface of the supporting seat and the lower surface of the rear end part of the upper jaw assembly, the upper end of the spring piece is abutted to the groove of the upper jaw assembly, and the lower end of the spring piece is abutted to the groove of the upper surface of the supporting seat.

6. A labor-saving electrode holder according to claim 5, wherein: and a steel ball is arranged at the joint of the spring piece and the groove.

7. A labor saving electrode holder as defined in claim 1, wherein: the outer part of the straight handle component, the outer part of the horizontal section at the front end of the upper jaw component and the outer part of the handle are coated and are in screwed connection with a high-temperature resistant plastic shell through screws.