CN220821980U - Connecting device for wire ends of welding machine - Google Patents

Abstract

The utility model discloses a connecting device for a wire end of a welding machine, which comprises a machine shell, wherein two jacks are formed in one side of the machine shell, two fixed blocks are arranged on the inner wall of the machine shell, conductive blocks are arranged in the fixed blocks, two sliding sleeves are arranged on the inner wall of the machine shell, sliding rods are inserted into the inner walls of the sliding sleeves, and extrusion blocks are arranged at the ends, away from each other, of the two sliding rods. The utility model relates to the technical field of electric welding machines, wherein two wire ends are respectively arranged on one side of two fixed blocks, at the moment, a pressing handle is loosened, the elastic deformation of a spring is utilized, so that the spring can push a rod body to move towards the outside of a machine shell, meanwhile, the moving rod body drives an extrusion block to extrude the wire ends through a rocker, and the extrusion block is further fixed between the fixed blocks and the extrusion block.

Description

Connecting device for wire ends of welding machine

Technical Field

The utility model relates to the technical field of electric welding machines, in particular to a connecting device for wire ends of a welding machine.

Background

The electric welder uses high-temperature arc generated by the instant short circuit of the positive and negative poles to melt the solder and the welded material on the welding rod, so as to combine the contacted materials. The structure is very simple, namely a high-power transformer. The electric welding machine can be generally divided into two types according to the types of output power sources, namely an alternating current power source and a direct current power source. The principle of inductance is utilized, the inductance can generate huge voltage change when being switched on and off, and the welding flux on the welding electrode is melted by utilizing high-voltage arc generated by the instant short circuit of the positive electrode and the negative electrode, so that the purpose of atomic combination is achieved. At present, when an electric welding machine is used, a wire is often detached, so that the electric welding machine is more portable, but the connecting mode of the wire ends has certain defects, some wire ends are fixed on the electric welding machine in a threaded connection mode, bumps are arranged at the connecting positions of the wire ends, the wire ends are screwed at a certain angle after being inserted into the electric welding machine, the wire ends are clamped inside the electric welding machine, the wire ends are required to be screwed in the connecting modes, rubber at the connecting positions of the wire ends and the wire ends is easy to screw out of cracks after long-time screwing, even internal metal wires can be exposed outside, and the danger of electric shock is easy to occur.

Disclosure of utility model

In order to solve the problems, namely the problems proposed by the background art, the utility model provides a connecting device for a wire end of a welding machine, which comprises a machine shell, wherein two jacks are formed in one side of the machine shell, two fixing blocks are arranged on the inner wall of the machine shell, conductive blocks are arranged in the fixing blocks, two sliding sleeves are arranged on the inner wall of the machine shell, sliding rods are inserted into the inner walls of the sliding sleeves, and extrusion blocks are arranged at one ends, far away from each other, of the two sliding rods.

Preferably, the through hole inner wall of casing is pegged graft and is had the body of rod, the outer wall both sides of the body of rod all are provided with first free bearing, the inside groove of first free bearing is connected with the rocker through the round pin axle rotation, the rocker is kept away from the one end of the body of rod and is connected with the second free bearing through the round pin axle rotation, two the second free bearing sets up in the one end of two extrusion pieces respectively, the one end of the body of rod is provided with the spring, the one end of spring is provided with the bent plate, the bent plate is fixed in the inner wall of casing.

Preferably, one end of the conductive block is provided with a locking screw.

Preferably, one end of the rod body is provided with a connecting rod, the connecting rod is inserted into the inner cavity of the spring, and one end of the connecting rod is inserted into the inner wall of the circular hole in the center of the curved plate.

Preferably, one end of the rod body far away from the spring is provided with a pressing handle.

The beneficial technical effects of the utility model are as follows: when the body of rod moves to the electric welding inside, accessible rocker drives extrusion piece and slide bar to the sliding sleeve orientation and removes, the interval between extrusion piece and the fixed block increases this moment, insert two jacks with two wire ends are corresponding afterwards, make its two wire ends place one side of two fixed blocks respectively, loosen the pressing handle this moment, utilize the elastic deformation of spring, make its spring can promote the body of rod to the outside of casing remove, the body of rod that removes drives the extrusion piece again through the rocker to the wire end extrusion simultaneously, and then fix it between fixed block and extrusion piece, this kind of connected mode has replaced and has revolved to twist the link, avoid the condition that the electric leakage appears in the outside wire.

Drawings

Fig. 1 shows a schematic perspective view of the present utility model.

Fig. 2 shows a schematic top cross-sectional view of the present utility model.

Fig. 3 shows an enlarged view of the structure of fig. 2 at a of the present utility model.

Fig. 4 shows an enlarged view of the structure of fig. 2 at B of the present utility model.

Reference numeral 1, a casing; 2. a jack; 3. a fixed block; 4. a conductive block; 5. a sliding sleeve; 6. a slide bar; 7. extruding a block; 8. a through hole; 9. a rod body; 10. a first hinge support; 11. a rocker; 12. a second hinge support; 13. a spring; 14. a locking screw; 15. a connecting rod; 16. a round hole; 17. a curved plate; 18. the handle is pressed.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

The utility model provides a connecting device for wire ends of a welding machine, which comprises a machine shell 1, wherein the machine shell 1 is a protective shell of the welding machine, two jacks 2 are formed in one side of the machine shell 1, the shapes of the jacks 2 are matched with the wire ends, two fixing blocks 3 are fixedly connected to the inner wall of the machine shell 1 through bolts, the fixing blocks 3 are made of insulating materials, the situation that the machine shell 1 is connected with the power is avoided, conductive blocks 4 are arranged in the fixing blocks 3 and are used for being connected with the outer wire ends, further electric connection is achieved, two sliding sleeves 5 are welded on the inner wall of the machine shell 1, sliding rods 6 are connected to the inner wall of each sliding sleeve 5 in a sliding mode, extrusion blocks 7 are fixedly connected to one ends, away from each other, of the two sliding rods 6 are fixedly connected with extrusion blocks 7, and the extrusion blocks 7 can be stably far from or close to the fixing blocks 3 through a sliding limiting structure between the sliding rods 6 and the sliding sleeves 5, and further fixing of the wire ends is achieved.

Specifically, the inner wall of the through hole 8 of the casing 1 is slidably connected with the rod body 9, a user can control the rod body 9 outside the casing 1, the two sides of the outer wall of the rod body 9 are welded with the first hinge support 10, the inner groove of the first hinge support 10 is rotationally connected with the rocker 11 through the pin shaft, one end of the rocker 11 far away from the rod body 9 is rotationally connected with the second hinge support 12 through the pin shaft, the two second hinge supports 12 are respectively fixedly connected with one ends of the two extrusion blocks 7 through bolts, when the rod body 9 moves towards the inside of the electric welding machine, the extrusion blocks 7 and the sliding rods 6 can be driven to move towards the sliding sleeve 5 through the rocker 11, at the moment, the distance between the extrusion blocks 7 and the fixed blocks 3 is increased, two wire ends are conveniently inserted into the two insertion holes 2 correspondingly, one end of the rod body 9 is fixedly connected with the spring 13, one end of the spring 13 is fixedly connected with the curved plate 17, the curved plate 17 is fixedly connected with the inner wall of the casing 1 through bolts, the curved plate 17 can play a supporting role on the spring 13, the elastic deformation of the spring 13 is utilized, the spring 13 can push the rod body 9 to move towards the outside of the casing 1, and the moving rod body 9 can drive the extrusion blocks 7 and the wire ends to move towards the sliding sleeve 5 through the rocker 11, at the same time, and the distance between the extrusion blocks 7 and the wire ends are tightly attached to the fixed wire ends and the wire ends 4.

Specifically, one end of the conductive block 4 is in threaded connection with a locking screw 14, and the conductive block 4 can lock and fix a wire inside the electric welding machine through the locking screw 14.

Specifically, the connecting rod 15 is welded at one end of the rod body 9, the connecting rod 15 is in clearance fit with the inner cavity of the spring 13, one end of the connecting rod 15 is slidably connected with the inner wall of the round hole 16 in the center of the curved plate 17, and the phenomenon that the spring 13 bends is avoided through the sliding connection of the connecting rod 15 and the round hole 16, so that the elastic force of the spring which is abutted against the rod body 9 is more stable.

Specifically, the end of the rod body 9 far away from the spring 13 is welded with a pressing handle 18, and the pressing handle 18 is designed to increase the contact area with the hand of a user, so that the rod body 9 is pressed conveniently.

Working principle: when the electric welding machine is used, a user can push the pressing handle 18 to the inside of the machine shell 1, the rod body 9 of the electric welding machine can drive the extrusion block 7 and the sliding rod 6 to move towards the sliding sleeve 5 through the rocker 11, the distance between the extrusion block 7 and the fixed block 3 is increased, then two wire ends are correspondingly inserted into the two jacks 2, the two wire ends of the electric welding machine are respectively arranged at one sides of the two fixed blocks 3, the pressing handle 18 is loosened, the spring 13 can push the rod body 9 to move towards the outside of the machine shell 1 by utilizing the elastic deformation of the spring 13, and meanwhile, the moving rod body 9 drives the extrusion block 7 to extrude the wire ends through the rocker 11, and then the extrusion block 7 is fixed between the fixed block 3 and the extrusion block 7, so that the wire ends are fixed, at the moment, the wire ends are connected with the conductive block 4, the conductive wire inside the electric welding machine can be locked and fixed through the locking screw 14, the inner wire of the electric welding machine can be electrically connected with the outer wire ends through the conductive block 4, and then the welding machine can be welded.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and in particular, the technical features set forth in the various embodiments may be combined in any manner so long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

In the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (5)

1. The utility model provides a connecting device of welding machine wire end, includes casing (1), two jacks (2) have been seted up to one side of casing (1), its characterized in that: the inner wall of casing (1) is provided with two fixed blocks (3), the inside of fixed block (3) is provided with conducting block (4), the inner wall of casing (1) is provided with two sliding sleeves (5), the inner wall grafting of sliding sleeve (5) has slide bar (6), two the one end that slide bar (6) kept away from each other all is provided with extrusion piece (7).

2. The apparatus for connecting wire ends of a welder according to claim 1, wherein: the utility model discloses a casing, including casing (1), through-hole (8) inner wall grafting has body of rod (9), the outer wall both sides of body of rod (9) all are provided with first free bearing (10), the inside groove of first free bearing (10) is connected with rocker (11) through the round pin axle rotation, the one end that body of rod (9) was kept away from to rocker (11) is connected with second free bearing (12) through the round pin axle rotation, two second free bearing (12) set up respectively in the one end of two extrusion piece (7), the one end of body of rod (9) is provided with spring (13), the one end of spring (13) is provided with bent plate (17), bent plate (17) are fixed in the inner wall of casing (1).

3. The apparatus for connecting wire ends of a welder according to claim 1, wherein: one end of the conductive block (4) is provided with a locking screw (14).

4. A welder wire end connection as defined in claim 2 wherein: one end of the rod body (9) is provided with a connecting rod (15), the connecting rod (15) is inserted into the inner cavity of the spring (13), and one end of the connecting rod (15) is inserted into the inner wall of a round hole (16) in the center of the curved plate (17).

5. A welder wire end connection as defined in claim 2 wherein: one end of the rod body (9) far away from the spring (13) is provided with a pressing handle (18).