CN214754476U

CN214754476U - Special plug for electric welding machine

Info

Publication number: CN214754476U
Application number: CN202121227677.0U
Authority: CN
Inventors: 王果; 吴华丰
Original assignee: Wenzhou Hantong Welding Equipment Co ltd
Current assignee: Wenzhou Hantong Welding Equipment Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-16
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the technical field of electric welding equipment, in particular to a special plug for an electric welding machine, which comprises a cylindrical plug body, wherein one end of the plug body is an inserting part, the other end of the plug body is a connecting part, the inserting part is provided with a cylindrical plug main body, a clamping block is arranged on the plug main body and protrudes outwards along the radial direction of the plug main body, one end of the connecting part, which is far away from the plug main body, is provided with a through hole, and the through hole is used for connecting an electric wire; in practical application, the plug body can be effectively locked on the socket through the fixture block by connecting the electric wire through the through hole; the utility model discloses locking is effectual, and the electric wire is difficult not hard up with the joint, uses safe and reliable.

Description

Special plug for electric welding machine

Technical Field

The utility model relates to an electric welding equipment technical field specifically is a special plug of electric welding.

Background

The electric welding machine shell grounding port device in the prior art comprises a grounding countersunk head bolt of which the end part is connected with an electric welding machine shell and a nut movably connected with the grounding countersunk head bolt. When connecting earth conductor, twine earth conductor's tip on the screw rod, later the nut of screwing for earth conductor's tip is tightly pressed the ground connection operation of accomplishing the electric welding casing on the electric welding casing by the nut, and complex operation still easily leaks electricity.

The existing Chinese patent with the publication number of CN207787941U discloses a gas-electricity integrated welding gun interface, which comprises a female plug and a male plug; the female plug is provided with an assembling hole along the axial direction, and the male plug is detachably arranged in the assembling hole; a first joint is arranged at the other end of the two ends of the female plug along the axial direction, which is opposite to the end connected with the male plug, and a second joint is arranged at the other end of the two ends of the male plug along the axial direction, which is opposite to the end connected with the female plug; the first joint contains trachea connector and current terminal connector, the first joint is following any kind or any multiple structure: a thread structure; a buckle structure; and (4) a flange structure. The traditional welding cable coupling device is improved, a gas circulation loop is added, meanwhile, the requirement of gas tightness is increased on the premise of ensuring reliable electrical connection, and the purpose of transmitting protective gas and current is achieved.

However, in practical application, the above scheme has the following problems: firstly, the existing clamping block and clamping groove are turned out by a numerical control lathe during production, the clamping block is along the screwing direction of the clamping groove, the front end and the rear end of the turned clamping block are inclined planes, and the locking end of the turned clamping groove is also an inclined plane, so that the clamping block cannot be clamped in the clamping groove, and the clamping block is easy to loosen and has poor locking effect; secondly, because the electric welding can often remove in the use, the electric wire that the second connects the connection also can often rock, very easily leads to the electric wire that passes through female connection in the second connects not hard up, causes the electric wire contact failure or electric leakage in the second connects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide a locking is effectual, and the electric wire is difficult not hard up with the joint, uses safe and reliable's special plug of electric welding.

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

the utility model provides a special plug of electric welding, includes columniform plug body, the one end of plug body is grafting portion, the other end of plug body is connecting portion, grafting portion is provided with columniform plug main part, on the plug main part, along the radial outside protrusion of plug main part is provided with the fixture block, connecting portion are kept away from the one end of plug main part has been seted up the through-hole, the through-hole is used for connecting wire.

Furthermore, a plurality of straight surfaces are arranged on the outer side wall of the connecting part.

Furthermore, a plurality of radial grooves are formed in the straight surface and along the radial inward recess of the connecting portion, and a plurality of axial grooves are formed in the straight surface and along the axial inward recess of the connecting portion.

Further, the radial groove and the axial groove are used for installing the rubber sleeve.

Furthermore, an internal thread hole communicated with the through hole is formed in any straight surface.

Further, the diameter of the internal thread hole is smaller than that of the through hole.

Furthermore, the fixture block is a rectangular limiting block.

Furthermore, the fixture block is close to one end of the plug main body, which is far away from the connecting part.

The utility model has the advantages that:

in practical application, the plug body can be effectively locked on the socket through the fixture block by connecting the electric wire through the through hole; the utility model discloses locking is effectual, and the electric wire is difficult not hard up with the joint, uses safe and reliable.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

reference numerals: a plug-in part 1; a plug main body 11; a connecting part 2; a through hole 21; a straight face 22; a radial groove 23; an axial groove 24; an internally threaded hole 25; and a fixture block 3.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the plug special for the electric welding machine comprises a cylindrical plug body, wherein one end of the plug body is a plugging portion 1, the other end of the plug body is a connecting portion 2, the plugging portion 1 is provided with a cylindrical plug main body 11, a clamping block 3 is arranged on the plug main body 11 and protrudes outwards along the radial direction of the plug main body 11, one end of the connecting portion 2, which is far away from the plug main body 11, is provided with a through hole 21, and the through hole 21 is used for connecting an electric wire.

When the plug is used, the plug body can be effectively locked on the socket through the fixture block 3 by connecting the electric wire through the through hole 21; the utility model discloses locking is effectual, and the electric wire is difficult not hard up with the joint, uses safe and reliable.

As shown in fig. 1, 2, 3 and 4, a plurality of straight surfaces 22 are arranged on the outer side wall of the connecting part 2; in this embodiment, the friction force for screwing when the plug body is locked or unlocked is increased by the plurality of straight surfaces 22.

As shown in fig. 1, 2, 3 and 4, a plurality of radial grooves 23 are formed on the straight surfaces 22 and recessed inward in the radial direction of the connecting portion 2, and a plurality of axial grooves 24 are formed on the straight surfaces 22 and recessed inward in the axial direction of the connecting portion 2. The plug body is mounted and fixed by means of the radial grooves 23 and the axial grooves 24.

As shown in fig. 1, 2, 3 and 4, the radial groove 23 and the axial groove 24 are used for installing the rubber sleeve; in this embodiment, the rubber sleeve is installed through the radial groove 23 and the axial groove 24, so that electric leakage is effectively prevented, and the use is safer and more reliable.

As shown in fig. 1, 2, 3 and 4, an internal threaded hole 25 for communicating the through hole 21 is formed in any one of the straight surfaces 22; in this embodiment, during installation, the connecting end of the electric wire is placed in the through hole 21, and the bottom end of the bolt can tightly support the electric wire in the through hole 21 by screwing the bolt into the internal threaded hole 25.

As shown in fig. 1, 2, 3 and 4, the diameter of the internally threaded hole 25 is smaller than the diameter of the through hole 21; in this embodiment, the bottom end of the bolt can be smoothly pushed into the through hole 21 only by the diameter of the internal threaded hole 25 being smaller than the diameter of the through hole 21, and the electric wire and the connector are not easy to loosen.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the fixture block 3 is a rectangular limiting block; in this embodiment, can lock the effect better through rectangle fixture block 3, effectively prevent to lock not hard up.

As shown in fig. 1, 2, 3 and 4, the latch 3 is disposed near an end of the plug main body 11 away from the connecting portion 2; in this embodiment, the fixture block 3 is disposed near the end of the plug body 11 away from the connecting portion 2, so that the fixture block 3 is more easily pushed into the socket.

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 will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. A special plug for an electric welding machine is characterized in that: the plug comprises a cylindrical plug body, wherein one end of the plug body is a plugging portion (1), the other end of the plug body is a connecting portion (2), the plugging portion (1) is provided with a cylindrical plug main body (11), a clamping block (3) is arranged on the plug main body (11) along the plug main body (11) in a protruding mode in the radial direction, one end, far away from the plug main body (11), of the connecting portion (2) is provided with a through hole (21), and the through hole (21) is used for connecting an electric wire.

2. The special plug for the electric welding machine according to claim 1, wherein: the outer side wall of the connecting part (2) is provided with a plurality of straight surfaces (22).

3. The plug special for the electric welding machine according to claim 2, characterized in that: the straight faces (22) are provided with radial grooves (23) which are inwards recessed along the radial direction of the connecting portion (2), and the straight faces (22) are provided with a plurality of axial grooves (24) which are inwards recessed along the axial direction of the connecting portion (2).

4. The plug special for the electric welding machine according to claim 3, wherein: the radial groove (23) and the axial groove (24) are used for installing the rubber sleeve.

5. The plug special for the electric welding machine according to claim 2, characterized in that: an internal thread hole (25) communicated with the through hole (21) is formed in any straight surface (22).

6. The plug special for the electric welding machine according to claim 5, wherein: the diameter of the internal thread hole (25) is smaller than that of the through hole (21).

7. The special plug for the electric welding machine according to claim 1, wherein: the fixture block (3) is a rectangular limiting block.

8. The special plug for the electric welding machine according to claim 1, wherein: the clamping block (3) is close to one end, far away from the connecting part (2), of the plug main body (11).