CN217433306U

CN217433306U - Water-cooling gas shield welding gun

Info

Publication number: CN217433306U
Application number: CN202220164626.6U
Authority: CN
Inventors: 王克险; 王鹏
Original assignee: Changzhou Tuomeiwei Welding & Cutting Equipment Co ltd
Current assignee: Changzhou Tuomeiwei Welding & Cutting Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-09-16
Anticipated expiration: 2032-01-21

Abstract

The application discloses welder is protected to water-cooling gas includes: the pipe comprises a pipe body, a connecting pipe and a connecting pipe, wherein one end of the pipe body is provided with a rear tail interface, and at least two groups of connecting pipes are assembled on the rear tail interface; the handle is assembled at the other end of the tube body, and a switch for controlling the whole welding gun is arranged on the handle; the nozzle pipe is arranged on one side of the handle, one end of the nozzle pipe is provided with a nozzle interface, and a nozzle is arranged in the nozzle interface; the technical key points are that a connecting piece is designed on a connecting sleeve in a rotating mode, and a rubber ring arranged in the connecting piece is extruded in the process of carrying out spiral connection on the connecting piece, so that the rubber ring can position a circuit in the connecting piece, and the circuit is prevented from being bent and folded in the connecting piece; the fixed cover and the protection mouth are designed on the nozzle interface of the nozzle pipe, the dual-protection effect is realized, the nozzles of different specifications are conveniently replaced when the nozzles to be used are positioned, and the convenience of the whole welding gun in use is embodied.

Description

Water-cooling gas shield welding gun

Technical Field

The utility model belongs to the technical field of welder, specifically a water-cooling gas shield welding rifle.

Background

Gas metal arc welding is a welding method in which metal is melted by using an arc generated between a welding wire and a workpiece as a heat source. In the welding process, a molten pool and a welding area formed by melting the welding wire and the base metal by the electric arc can effectively prevent the harmful effect of the ambient air under the protection of inert gas or active gas. The wire consumed by the welding process is also commonly used as the electrode wire during the welding process. The electrode wire is continuously conveyed into the welding gun through the wire feeding hose in the welding process. The gas is fed into the welding gun through the space between the gas feeding hose and the wire feeding hose in the cable assembly, and then is sprayed out from the upper part of the welding point through the flow divider to form a protective gas atmosphere.

The consumable electrode gas shielded welding gun in the prior art has long continuous working time, and the resistance heat and the arc radiant heat generated by parts such as the contact tip can heat the welding gun together, so that the gun head of the welding gun is easy to deform and adsorb splashes, the service life of the gun head of the welding gun is shortened, and the welding gun is not suitable for stable welding of long welding seams. Therefore, certain measures are taken to cool the welding gun when in use. At present, the cooling mode that commonly uses is to adopt the water cooling, as can be seen in fig. 1 and 2, body, connecting piece, handle and nozzle pipe are all run through to water pipe and circuit in the welder to set up the joint between nozzle pipe and connecting piece, be used for connecting corresponding water pipe and circuit, can appear following technical problem when specifically using:

firstly, more leads or water pipes penetrate through the pipe body of the welding gun, and in the assembling process, as the leads or the water pipes are distributed loosely, part of the water pipes are easy to bend and fold, and subsequent normal use after the bending and folding is influenced; secondly, for the nozzle part of the welding gun, the existing nozzles are exposed in the outside air, and the nozzle part is easy to be damaged after being used for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a water-cooling gas shield welding gun solves the problem of mentioning among the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a water cooled gas shielded welding gun comprising:

the pipe comprises a pipe body, a connecting pipe and a connecting pipe, wherein one end of the pipe body is provided with a rear tail interface, and at least two groups of connecting pipes are assembled on the rear tail interface;

the handle is assembled at the other end of the tube body, and a switch for controlling the whole welding gun is arranged on the handle; and

the nozzle pipe is arranged on one side of the handle, a nozzle interface is arranged at one end of the nozzle pipe, a nozzle is arranged in the nozzle interface, and a protective nozzle is arranged outside the nozzle interface.

Furthermore, the pipe body is sleeved with a thickened anti-abrasion leather sleeve, a spring is sleeved at one end, close to the rear tail interface, of the outer side of the pipe body, and the spring is used for connecting the pipe body and the rear tail interface.

Furthermore, the number of the connecting pipes is two, and the end of each connecting pipe is sleeved with a sleeve which is used for protecting the end of each connecting pipe.

Furthermore, the other end of the pipe body is provided with a connecting sleeve, one end of the connecting sleeve is spirally assembled with a connecting piece, and the grip is assembled between the connecting piece and the nozzle pipe.

Furthermore, the handle is composed of two groups of covered shells, and the two groups of covered shells are used for positioning the connecting piece and one end of the nozzle pipe, which is far away from the nozzle interface, and are fixed through a plurality of screws.

Further, the inner wall of connecting piece is equipped with the rubber ring, and the surface of rubber ring evenly is equipped with a plurality of bumps, and each bump all runs through in the recess of predetermineeing through the connecting piece surface.

Further, the outer surface of one end of the nozzle interface is spirally assembled with a fixing sleeve, the fixing sleeve is used for positioning the nozzle, and the protection nozzle is fixedly sleeved on the outer surface of the fixing sleeve.

Furthermore, the nozzle, the fixed sleeve and the protection nozzle are in a state of being sequentially distributed from inside to outside.

(III) advantageous effects

Firstly, the connecting pipe is arranged on the rear connector, the sleeve piece is assembled on the end head of the connecting pipe, the connecting pipe is sleeved on the end head of the connecting pipe when not used, the protective effect is achieved, the connecting pipe can be directly pulled out when used, and the connecting pipe is very convenient to use;

secondly, a connecting piece is designed on the connecting sleeve in a rotating mode, and the rubber ring arranged in the connecting piece is extruded in the process of carrying out spiral connection on the connecting piece, so that the rubber ring can position the circuit in the connecting piece, and the circuit is prevented from being bent and folded in the connecting piece;

thirdly, fixed cover and protection mouth are designed on the nozzle interface of nozzle pipe, realize the effect of dual protection, when accomplishing the location to the nozzle that needs use, also conveniently change the processing to the nozzle of different specifications, have embodied the convenience of whole welder when using.

Drawings

Fig. 1 is one of the schematic views of the overall structure in the explosive state of the present invention;

FIG. 2 is a second schematic view of the overall structure of the present invention in an explosive state;

fig. 3 is an enlarged view of the partial structure a of fig. 2 according to the present invention.

Reference numerals: 1. a pipe body; 2. a spring; 3. a back tail interface; 4. a connecting pipe; 5. a kit; 6. connecting sleeves; 7. a grip; 8. a switch; 9. a nozzle tube; 10. a nozzle interface; 11. fixing a sleeve; 12. a nozzle; 13. protecting the mouth; 14. a connecting member; 15. and (4) a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the following references to "upper", "lower", "left" and "right" are to be construed as referring to the upper, lower, left, right, etc. direction of the attached drawings, and the following references to "first", "second", etc. are to be distinguished for descriptive purposes and not for other specific meanings.

Example 1:

this embodiment gives the concrete structure of body and connecting pipe, as shown in fig. 1-3, a water-cooling gas shield welding torch includes: one end of the pipe body 1 is provided with a rear tail interface 3, at least two groups of connecting pipes 4 are assembled on the rear tail interface 3, the specific number of the connecting pipes 4 is determined according to the situation, and other numbers of the connecting pipes 4 can be selected.

Referring to fig. 1 and 2, a thickened anti-abrasion leather sleeve is sleeved outside a pipe body 1, a spring 2 is sleeved at one end of the outer side of the pipe body 1 close to a rear tail interface 3, and the spring 2 is used for connecting the pipe body 1 and the rear tail interface 3; alternatively, the spring 2 can be fitted between the connecting sleeve 6 and the pipe body 1.

Referring to fig. 1 and 2, the number of the connecting pipes 4 is two, and a sleeve 5 is sleeved on the end of each connecting pipe 4, and the sleeve 5 is used for protecting the end of each connecting pipe 4;

the above-mentioned kit 15 comprises a sleeve ring, a sleeve cap and a connecting piece, the connecting piece is used for connecting the sleeve ring and the sleeve cap, and the connecting piece has certain elasticity, so that the angle of the sleeve cap and the sleeve ring can be freely changed, the sleeve ring is fixedly sleeved on the outer surface of the connecting pipe 4, and the sleeve cap is sleeved on the end head of the connecting pipe 4.

By adopting the technical scheme:

set up connecting pipe 4 on tail interface 3, and be equipped with external member 5 on the end of connecting pipe 4, with its suit to the end of connecting pipe 4 when not using, play the guard action, can directly extract it can when using, it is very convenient to use.

Example 2:

the embodiment shows a specific structure of the handle and the connecting piece, as shown in fig. 1 and 2, a handle 7 is assembled at the other end of the tube body 1, and a switch 8 for operating the whole welding gun is arranged on the handle 7.

Referring to fig. 1 and 2, the other end of the pipe body 1 is provided with a connecting sleeve 6, one end of the connecting sleeve 6 is spirally assembled with a connecting piece 14, and the grip 7 is assembled between the connecting piece 14 and the nozzle pipe 9;

the above-mentioned connecting member 14 is in the form of screw assembly, so that the connecting member 14 can be freely disassembled and assembled, and the connecting member 14 can also be used for protecting the wires and the water pipes.

Referring to fig. 1 and 2, the grip 7 is composed of two sets of covered shells, and the covered two sets of shells are used for positioning the connecting piece 14 and one end of the nozzle pipe 9 far away from the nozzle interface 10 and are fixed by a plurality of screws.

After the two shells are fixedly connected, the principle that the groove body formed in the handle 7 is matched with the outer surface of the connecting piece 14, and the groove body is matched with one end, away from the nozzle interface 10, of the nozzle pipe 9 is the same as the principle of the connecting piece 14, and after the two shells are fixedly connected, the positions of the connecting piece 14 and one end of the nozzle interface 10 can be guaranteed to be stable.

Referring to fig. 2 and 3, the inner wall of the connecting part 14 is provided with a rubber ring 15, and the outer surface of the rubber ring 15 is uniformly provided with a plurality of convex points, and each convex point penetrates through a groove preset on the outer surface of the connecting part 14.

Specifically, a plurality of salient points on the outer surface of the rubber ring 15 move inwards after being extruded, and then the area formed between the inner walls of the rubber ring 15 is reduced, so that the positioning treatment of the water pipe and the lead is completed.

By adopting the technical scheme:

the connecting piece 14 is designed on the connecting sleeve 6 in a rotating mode, and in the process of carrying out spiral connection on the connecting piece 14, the rubber ring 15 arranged in the connecting piece is extruded, so that the rubber ring 15 can complete positioning processing on a line in the connecting piece 14, and the situation that the line is bent and folded in the connecting piece 14 is avoided.

Example 3:

in this embodiment, a specific structure of the nozzle tube and the nozzle interface is shown in fig. 1, the nozzle tube 9 is disposed on one side of the grip 7, the nozzle interface 10 is disposed at one end of the nozzle tube 9, the nozzle 12 is disposed in the nozzle interface 10, and the protection nozzle 13 is disposed outside the nozzle interface 10.

Referring to fig. 1 and 2, the outer surface of one end of the nozzle interface 10 is screw-assembled with a fixing sleeve 11, and the fixing sleeve 11 is used to position the nozzle 12, and a protection nozzle 13 is fixedly fitted to the outer surface of the fixing sleeve 11.

In the specific assembly of the nozzle 12, the installation steps are as follows:

first, the nozzle 12 is screw-fitted into the nozzle port 10;

then, the fixed sleeve 11 is assembled outside the nozzle interface 10 in a spiral mode, and the sleeving treatment of the nozzle 12 is completed;

finally, the protective nozzle 13 is sleeved outside the nozzle interface 10, and the protective treatment of the fixed sleeve 11 is completed.

Referring to fig. 1 and 2, the nozzle 12, the fixing sleeve 11 and the protection nozzle 13 are arranged in the order from the inside to the outside.

By adopting the technical scheme:

the fixed sleeve 11 and the protective nozzle 13 are designed on the nozzle interface 10 of the nozzle pipe 9, so that the dual-protection effect is realized, the nozzles 12 which need to be used are positioned, meanwhile, the nozzles 12 of different specifications are conveniently replaced, and the convenience of the whole welding gun in use is reflected.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A water-cooled gas shield welding gun, comprising:

the pipe comprises a pipe body (1), wherein one end of the pipe body is provided with a rear tail connector (3), and at least two groups of connecting pipes (4) are assembled on the rear tail connector (3);

a handle (7) which is assembled at the other end of the tube body (1), and a switch (8) for controlling the whole welding gun is arranged on the handle (7); and

the nozzle pipe (9) is arranged on one side of the handle (7), a nozzle interface (10) is arranged at one end of the nozzle pipe (9), a nozzle (12) is arranged in the nozzle interface (10), and a protective nozzle (13) is arranged outside the nozzle interface (10).

2. The water-cooled gas shield welding gun according to claim 1, characterized in that: the anti-abrasion pipe is characterized in that a thickened anti-abrasion leather sleeve is sleeved outside the pipe body (1), a spring (2) is sleeved at one end, close to the rear tail connector (3), of the outer side of the pipe body (1), and the spring (2) is used for connecting the pipe body (1) and the rear tail connector (3).

3. The water-cooled gas shield welding gun according to claim 1, characterized in that: the number of connecting pipe (4) is two sets of, and the cover is equipped with external member (5) on the end of connecting pipe (4), and this external member (5) are used for protecting the end of connecting pipe (4).

4. The water-cooled gas shield welding gun according to claim 1, characterized in that: the other end of body (1) is provided with adapter sleeve (6), and the spiral connecting piece (14) that is equipped with of one end of adapter sleeve (6), handle (7) assemble between connecting piece (14) and nozzle pipe (9).

5. The water-cooled gas shield welding gun according to claim 4, characterized in that: the handle (7) is composed of two groups of covered shells, and the two groups of covered shells are used for positioning the connecting piece (14) and one end of the nozzle pipe (9) far away from the nozzle interface (10) and are fixed through a plurality of screws.

6. The water-cooled gas shield welding gun according to claim 5, characterized in that: the inner wall of connecting piece (14) is equipped with rubber ring (15), and the surface of rubber ring (15) evenly is equipped with a plurality of bumps, and each bump all runs through in the recess of predetermineeing through connecting piece (14) surface.

7. The water-cooled gas shield welding gun according to claim 1, characterized in that: the outer surface of one end of the nozzle interface (10) is spirally assembled with a fixed sleeve (11), the fixed sleeve (11) is used for positioning the nozzle (12), and the protective nozzle (13) is fixedly sleeved on the outer surface of the fixed sleeve (11).

8. The water-cooled gas shield welding gun according to claim 1, characterized in that: the nozzle (12), the fixed sleeve (11) and the protection nozzle (13) are distributed from inside to outside in sequence.