CN218926533U - Welding gun joint with good air tightness - Google Patents
Welding gun joint with good air tightness Download PDFInfo
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- CN218926533U CN218926533U CN202320122469.7U CN202320122469U CN218926533U CN 218926533 U CN218926533 U CN 218926533U CN 202320122469 U CN202320122469 U CN 202320122469U CN 218926533 U CN218926533 U CN 218926533U
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Abstract
The utility model discloses a welding gun joint with good air tightness, which comprises a joint main body, a nut, an air pipe, external threads and a high-efficiency sealing assembly structure. According to the utility model, the efficient sealing assembly structure is arranged on the joint main body and the gas pipe, the gas pipe and the extension pipe are in butt joint until the sealing ring part is embedded into the assembly groove, the sealing performance between the outer wall of the extension pipe and the inner wall of the gas pipe can be improved through the connection and the matching of the sealing ring part and the assembly groove, and then the nut is rotationally clamped on the surface of the external thread, so that the joint main body and the gas pipe are in butt joint and fixed, meanwhile, the envelope can be gradually inserted into the inner side of the butt joint groove, the sealing effect of the joint main body and the gas pipe can be further improved through the connection and the matching of the envelope and the butt joint groove, the air tightness of the joint main body and the gas pipe is ensured, no additional operation is added, and the assembly efficiency is not influenced.
Description
Technical Field
The utility model relates to the field of welding gun joints, in particular to a welding gun joint with good air tightness.
Background
The arc welding gun is a welding tool with the functions of guiding welding wires, feeding power, feeding shielding gas or storing and delivering welding flux and the like, and is provided with a welding gun connector which has the main functions of conducting electricity, guiding out shielding gas and shunting, wherein the welding gun connector on the existing arc welding gun is connected with an external gas pipeline generally by adopting a common thread structure, namely, the welding gun connector is screwed and clamped with an external pipeline by adopting a nut to realize connection and fixation.
CN202120213764.4 a gas shielded welding gun connects that gas tightness is good, including shower nozzle and joint, the junction of shower nozzle and joint is provided with the survey paper, has improved the gas tightness that barrel and shower nozzle department are connected, makes gas be difficult for leaking, ensures people safety in utilization, has improved sealed effect, can in time remind people when taking place gas leakage, has improved welder's safety in utilization and practicality.
The above patent describes a general technical problem of air tightness of a welding gun joint, in which a plurality of sealing rings are arranged to increase sealing, but when the welding gun joint is in butt joint with an external pipeline, the sealing rings are required to be assembled at the joint one by one for assembly, so that the air tightness is enhanced, the assembly efficiency is sacrificed, and the butt joint structure of the welding gun joint in the prior art can be further improved.
Disclosure of Invention
Accordingly, in order to solve the above-described drawbacks, the present utility model provides a welding gun joint having good air tightness.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a welder joint that gas tightness is good, includes joint main part, nut, gas-supply pipe, external screw thread and high-efficient seal assembly structure, joint main part front end junction surface cup joints and rotates the nut, tip surface is equipped with the external screw thread behind the gas-supply pipe, the external screw thread can mesh with the nut is inboard mutually, through rotatory block at the external screw thread surface with the nut, comes to dock joint main part and gas-supply pipe fixedly, all be equipped with high-efficient seal assembly structure on joint main part and the gas-supply pipe, high-efficient seal assembly structure includes extension pipe, sealing ring portion and assembly groove, joint main part front end is provided with the extension pipe, the extension pipe surface is provided with sealing ring portion, the assembly groove has been seted up to gas-supply pipe rear end inner wall, and after the extension pipe inserts to close into the gas-supply pipe is inboard, sealing ring portion can gomphosis into the assembly groove.
Preferably, one end of the extension pipe, which is inserted into the air pipe first, is a head end, the head end of the extension pipe is in a truncated cone shape, a notch is formed in an inner channel of the air pipe, the notch is matched with the shape and the specification of the head end of the extension pipe, and after the extension pipe is inserted into the air pipe, the head end of the extension pipe can be tightly abutted against the notch.
Preferably, after the sealing ring part is embedded into the assembly groove, the head end of the extension pipe can keep a tight and contradicted state with the notch.
Preferably, the upper side and the lower side of the opening at the rear end of the gas pipe are symmetrically provided with notch parts, the notch parts penetrate to the inner side of the gas pipe, and the length of the notch parts is at least 5mm.
Preferably, the rear end opening of the gas pipe is provided with an inclined plane groove, and the outer side of the inclined plane groove is wide and the inner side of the inclined plane groove is narrow.
Preferably, the rear end surface of the gas pipe is provided with a butt joint groove, the front surface of the nut is provided with an envelope, the envelope is communicated with the inner side of the nut, and after the nut is rotationally clamped on the external thread surface, the envelope can be inserted into the inner side of the butt joint groove.
The utility model has the beneficial effects that:
according to the utility model, the efficient sealing assembly structure is arranged on the joint main body and the gas pipe, the gas pipe and the extension pipe are in butt joint until the sealing ring part is embedded into the assembly groove, the sealing performance between the outer wall of the extension pipe and the inner wall of the gas pipe can be improved through the connection and the matching of the sealing ring part and the assembly groove, and then the nut is rotationally clamped on the surface of the external thread, so that the joint main body and the gas pipe are in butt joint and fixed, meanwhile, the envelope can be gradually inserted into the inner side of the butt joint groove, the sealing effect of the joint main body and the gas pipe can be further improved through the connection and the matching of the envelope and the butt joint groove, the air tightness of the joint main body and the gas pipe is ensured, no additional operation is added, and the assembly efficiency is not influenced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connector body of FIG. 1 shown removed from the gas delivery tube in accordance with the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model after the nut and extension pipe are detached from the connector body;
FIG. 4 is a schematic view of the structure of the envelope of the present utility model after removal from the nut;
FIG. 5 is a schematic view of the structure of an extension tube according to the present utility model;
FIG. 6 is a schematic view of a gas delivery tube according to the present utility model;
FIG. 7 is a schematic view of a right-side cross-sectional structure of a gas delivery pipe according to the present utility model;
FIG. 8 is a schematic view of the combination of the gas delivery tube and the extension tube of FIG. 7 according to the present utility model.
Wherein: the high-efficiency sealing joint comprises a joint main body-1, a nut-2, a gas pipe-3, an external thread-4, a high-efficiency sealing assembly structure-5, an extension pipe-51, a sealing ring part-52, an assembly groove-53, a notch-54, a notch part-55, a butt joint groove-56 and an envelope-57.
Detailed Description
In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.
Referring to fig. 1-2, the utility model provides a welding gun joint with good air tightness, which comprises a joint main body 1, a nut 2, an air pipe 3, external threads 4 and a high-efficiency sealing assembly structure 5, wherein the nut 2 is sleeved and rotated on the outer surface of a joint part of the front end of the joint main body 1, the external threads 4 are arranged on the outer surface of the rear end part of the air pipe 3, the external threads 4 can be meshed with the inner side of the nut 2, the joint main body 1 and the air pipe 3 are in butt joint and fixed by rotationally clamping the nut 2 on the surface of the external threads 4, and the high-efficiency sealing assembly structure 5 is arranged on the joint main body 1 and the air pipe 3.
Referring to fig. 3, 5, 7 and 8, the efficient sealing assembly structure 5 of the present utility model includes an extension tube 51, a sealing ring portion 52 and an assembly groove 53, wherein the extension tube 51 is welded at the front end of the connector body 1, the extension tube 51 is mutually communicated with the inner side of the connector body 1, an annular sealing ring portion 52 is welded at the outer surface of the extension tube 51, the assembly groove 53 matched with the shape and the specification of the sealing ring portion 52 is provided at the inner wall of the rear end of the gas pipe 3, and after the extension tube 51 is inserted into the inner side of the gas pipe 3, the sealing ring portion 52 can be embedded into the assembly groove 53, so as to improve the tightness between the outer wall of the extension tube 51 and the inner wall of the gas pipe 3.
Further, the first end of the extension tube 51 inserted into the air delivery tube 3 is a head end, the head end of the extension tube 51 is in a truncated cone shape, a notch 54 is formed in an inner channel of the air delivery tube 3, the notch 54 is matched with the shape and the specification of the head end of the extension tube 51, and after the extension tube 51 is inserted into the air delivery tube 3, the head end of the extension tube 51 can tightly abut against the notch 54, so that the sealing effect is effectively improved.
Further, after the sealing ring portion 52 is embedded into the assembly groove 53, the head end of the extension tube 51 can be kept in a tightly abutting state with the notch 54, and after the sealing ring portion 52 is embedded into the assembly groove 53, the sealing ring portion can play a reinforcing role on the extension tube 51, so that the extension tube 51 is not easy to loosen, and the air tightness between the extension tube 51 and the air delivery tube 3 is ensured.
Further, the upper and lower sides of the opening at the rear end of the air delivery pipe 3 are symmetrically provided with notch parts 55, the notch parts 55 penetrate to the inner side of the air delivery pipe 3, the length of the notch parts 55 is at least 5mm, and the design of the notch parts 55 can enable the opening at the rear end of the air delivery pipe 3 to have a certain expansion range, so that the sealing ring part 52 can be allowed to enter the inner side of the air delivery pipe 3.
Further, the rear end opening of the air delivery pipe 3 is provided with a funnel-shaped inclined plane groove, the outer side of the inclined plane groove is wide, the inner side of the inclined plane groove is narrow, and the sealing ring part 52 can enter the inner side of the air delivery pipe 3 more easily under the guidance of the inclined plane groove.
Referring to fig. 4 and 6, in the present utility model, an annular docking groove 56 is provided on the rear end surface of the air pipe 3, an envelope 57 is integrally provided on the front surface of the nut 2, the envelope 57 is matched with the docking groove 56 in specification, the envelope 57 is mutually communicated with the inner side of the nut 2, and during the process of rotationally clamping the nut 2 on the surface of the external thread 4, the envelope 57 can be inserted into the inner side of the docking groove 56, and the sealing effect of the joint main body 1 and the air pipe 3 can be further improved through the connection cooperation of the envelope 57 and the docking groove 56.
The working principle is as follows:
first, the main part 1 of the joint is electrically conductive and export the shielding gas and shunts, the main part 1 of the joint needs to be connected with the gas pipe 3 before the arc welding gun uses, the gas pipe 3 can continuously provide the shielding gas for the main part 1 of the joint, and the shielding gas can protect the welding part from being damaged by external gas.
Secondly, when the joint main body 1 and the air pipe 3 are connected, firstly, the air pipe 3 is butted with the extension pipe 51 on the connecting end of the joint main body 1, a notch 55 is arranged at the opening of the rear end of the air pipe 3, the notch 55 is designed to enable the opening of the rear end of the air pipe 3 to have a certain expansion range, the sealing ring part 52 can be allowed to enter the inner side of the air pipe 3, then the air pipe 3 is kept to move until the sealing ring part 52 is embedded into the assembly groove 53 on the inner wall of the air pipe 3, the sealing performance between the outer wall of the extension pipe 51 and the inner wall of the air pipe 3 can be improved through the connection and the matching of the sealing ring part 52 and the assembly groove 53, and after the sealing ring part 52 is embedded into the assembly groove 53, the head end of the extension pipe 51 can be kept in a tight and abutting state with the notch 54, and the sealing effect is ensured.
Thirdly, after the gas pipe 3 is in butt joint with the extension pipe 51, the nut 2 on the surface of the joint main body 1 is rotated to enable the nut 2 to be rotationally clamped on the surface of the external thread 4, so that the joint main body 1 is in butt joint with the gas pipe 3 to be fixed, the notch 55 can be clamped after the nut 2 is screwed into the surface of the external thread 4, at the moment, the seal ring 52 is completely embedded into the inner side of the assembly groove 53 and cannot be separated, so that the sealing effect is ensured, in addition, in the process of screwing the nut 2 into the surface of the external thread 4, the envelope 57 can move along with the nut 2, so that the envelope 57 is gradually inserted into the inner side of the butt joint groove 56, the sealing effect of the joint main body 1 and the gas pipe 3 can be further improved through the connection cooperation of the envelope 57 and the butt joint groove 56, the air tightness of the joint main body 1 and the gas pipe 3 is ensured, and no additional sealing piece is required to be additionally arranged in the assembly process of the joint main body 1 and the gas pipe 3, the whole process is that the joint main body 1 is in butt joint with the gas pipe 3, then the nut 2 is rotationally clamped on the surface of the external thread 4, and the additional operation is not influenced.
The utility model provides a welding gun joint with good air tightness, which is characterized in that a high-efficiency sealing assembly structure 5 is arranged on a joint main body 1 and an air pipe 3, the air pipe 3 and an extension pipe 51 are in butt joint until a sealing ring part 52 is embedded into an assembly groove 53, the sealing performance between the outer wall of the extension pipe 51 and the inner wall of the air pipe 3 can be improved through the connection and matching of the sealing ring part 52 and the assembly groove 53, and then a nut 2 is rotationally clamped on the surface of an external thread 4, so that the joint main body 1 and the air pipe 3 are in butt joint and fixed, meanwhile, an envelope 57 can be gradually inserted into the inner side of a butt joint groove 56, the sealing effect of the joint main body 1 and the air pipe 3 can be further improved through the connection and matching of the envelope 57 and the butt joint groove 56, the air tightness of the joint main body 1 and the air pipe 3 is ensured, no extra operation is added, and the assembly efficiency is not affected.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The welding gun connector with the good air tightness comprises a connector main body (1), a nut (2), an air pipe (3) and external threads (4), wherein the nut (2) is sleeved and rotated on the outer surface of a joint of the front end of the connector main body (1), the external threads (4) are arranged on the outer surface of the rear end part of the air pipe (3), the external threads (4) can be meshed with the inner side of the nut (2), and the connector main body (1) is fixedly connected with the air pipe (3) in a butt joint mode by rotationally clamping the nut (2) on the surface of the external threads (4);
the method is characterized in that: still include high-efficient sealed assembly structure (5), all be equipped with high-efficient sealed assembly structure (5) on joint main part (1) and gas-supply pipe (3), high-efficient sealed assembly structure (5) are including extension pipe (51), sealing ring portion (52) and assembly groove (53), the tip is provided with extension pipe (51) before joint main part (1), extension pipe (51) surface is provided with sealing ring portion (52), assembly groove (53) have been seted up to gas-supply pipe (3) rear end inner wall, after extension pipe (51) are inserted into gas-supply pipe (3) inboard, sealing ring portion (52) can gomphosis in assembly groove (53).
2. The welding gun joint with good air tightness according to claim 1, wherein: the extension pipe (51) is inserted into one end of the air pipe (3) first and is in a head end, the head end of the extension pipe (51) is in a round table shape, a notch (54) is formed in an inner side channel of the air pipe (3), the notch (54) is matched with the shape specification of the head end of the extension pipe (51), and after the extension pipe (51) is inserted into the air pipe (3), the head end of the extension pipe (51) can tightly abut against the notch (54).
3. A welding gun joint with good air tightness according to claim 2, characterized in that: after the sealing ring part (52) is embedded into the assembly groove (53), the head end of the extension pipe (51) can be kept in a tight contact state with the notch (54).
4. The welding gun joint with good air tightness according to claim 1, wherein: the upper side and the lower side of the rear end opening of the air pipe (3) are symmetrically provided with notch parts (55), the notch parts (55) penetrate to the inner side of the air pipe (3), and the length of the notch parts (55) is at least 5mm.
5. The welding gun joint with good air tightness according to claim 1, wherein: the rear end opening of the air pipe (3) is provided with an inclined plane groove, and the outer side of the inclined plane groove is wide and the inner side of the inclined plane groove is narrow.
6. The welding gun joint with good air tightness according to claim 1, wherein: the gas pipe (3) rear end surface is equipped with butt joint groove (56), nut (2) openly is provided with envelope (57), and envelope (57) communicate each other with nut (2) inboard, and after nut (2) rotation block was in external screw thread (4) surface, envelope (57) can insert into butt joint groove (56) inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320122469.7U CN218926533U (en) | 2023-02-06 | 2023-02-06 | Welding gun joint with good air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320122469.7U CN218926533U (en) | 2023-02-06 | 2023-02-06 | Welding gun joint with good air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218926533U true CN218926533U (en) | 2023-04-28 |
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ID=86067356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320122469.7U Active CN218926533U (en) | 2023-02-06 | 2023-02-06 | Welding gun joint with good air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218926533U (en) |
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2023
- 2023-02-06 CN CN202320122469.7U patent/CN218926533U/en active Active
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