Novel water-cooling gun neck

Abstract

The utility model relates to the technical field of welding guns, and discloses a novel water-cooling gun neck which comprises a bent pipe, one end of the bent pipe is fixedly connected with an installation head, the outer side of the installation head is fixedly connected with a limiting ring, one side of the limiting ring is fixedly connected with an installation ring, the side face of the limiting ring is provided with an outer sleeve, and the inner side of the outer sleeve is provided with an inner pipe. The outer sleeve is arranged on the outer side of the inner pipe, the inner pipe is communicated with an external water channel through the water inlet pipe, the outer sleeve is communicated with the external water channel through the water outlet pipe, a plurality of exchange holes are evenly formed in the periphery of the inner pipe, the exchange holes are communicated with the outer water channel through the water inlet pipe, and the exchange holes are communicated with the outer water channel through the water outlet pipe. And meanwhile, the spiral flow guide grooves are formed in the inner wall of the outer sleeve, so that the flowing distance of water flow in the outer sleeve can be effectively increased, the heat exchange time is prolonged, and the heat dissipation effect is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of welding torch technology, and in particular to a novel water-cooled torch neck. Background Technology

[0002] The water-cooled gun neck is a key component in welding equipment used to cool the gun body. The water-cooled gun neck is connected to an external circulating cooling water system. During the welding process, the welding arc generates a large amount of heat, which is transferred to the gun neck. The water-cooled gun neck carries away the heat generated by welding through the flow of coolant in the circulating water circuit, thereby keeping the gun neck within a low temperature range. This prevents deformation and damage caused by overheating, while also ensuring welding quality and extending the service life of the gun neck and related vulnerable parts.

[0003] The utility model patent with patent number 202022245596.5 discloses a novel high-efficiency water-cooled gun neck structure. In this utility model, the water inlet path and the water return path are not on the same layer, which avoids "water leakage" caused by the poor sealing of the water ribs between the two paths. It can cool the nozzle area at the same time, resulting in better cooling effect.

[0004] However, the above-mentioned device still has some drawbacks in actual use. The most obvious one is that although the water-cooled gun neck has a multi-layer structure to prevent water from flowing through it, the cooling water does not have interconnected channels in its pipes. Although this can prevent water from flowing through it, it will cause the cooling water in each pipe to not mix with each other, and the cooling water will flow too fast in the pipes, resulting in a poor cooling effect.

[0005] Therefore, it is necessary to invent a new type of water-cooled gun neck to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a new type of water-cooled gun neck to solve the problems mentioned in the background art. Although the water-cooled gun neck has a multi-layer structure to prevent cross-contamination and allows cooling water to flow in it, the lack of interconnected channels in its pipes prevents cross-contamination, but also causes the cooling water in each pipe to not mix and the cooling water to flow too fast in the pipes, resulting in a poor cooling effect.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a novel water-cooled gun neck, comprising a bent tube, one end of which is fixedly connected to a mounting head, a limiting ring is fixedly connected to the outer side of the mounting head, and a mounting ring is fixedly connected to one side of the limiting ring;

[0008] The limiting ring has an outer sleeve on its side, an inner tube on the inside of the outer sleeve, a water inlet pipe fixedly connected to one side of the top of the inner tube, and exchange holes around the inner tube.

[0009] The inner tube has a through groove on its inner side, and a cavity is provided between the inner tube and the through groove;

[0010] The inner side of the outer sleeve is provided with a spiral guide groove, and the bottom end of the outer sleeve is fixedly connected to a water outlet pipe.

[0011] As a preferred embodiment, an insulating ring is provided on the outer periphery of the through groove, and a second external thread is provided at both ends of the outer periphery of the inner tube, and sealing rings are symmetrically provided between the outer tube and the inner tube.

[0012] As a preferred embodiment, the top end of the outer sleeve is provided with a through hole, the through hole is correspondingly provided with a water inlet pipe, and the water inlet pipe is provided through the through hole and located on the outside of the outer sleeve.

[0013] As a preferred embodiment, the outer side of the mounting ring is provided with a first external thread, and the inner side of the mounting ring is provided with an internal thread.

[0014] As a preferred embodiment, the inner side of the outer tube near the mounting ring is provided with a thread, which corresponds to the first external thread. The outer tube is threaded to the outside of the mounting ring, and the inner tube is threaded to the inside of the mounting ring through the second external thread.

[0015] As a preferred embodiment, an external copper fitting is provided on the outer side of the outer sleeve away from the bend, and a connector is fixedly connected to the side of the external copper fitting near the outer sleeve. The inner side of the connector is provided with a thread, which corresponds to the second external thread, and the connector is threadedly connected to the outer side of the second external thread.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] 1. This utility model uses an outer tube and an inner tube. The outer tube is set outside the inner tube. The inner tube is connected to the external water passage through the water inlet pipe. The outer tube is connected to the external water passage through the water outlet pipe. At the same time, multiple exchange holes are evenly arranged on the outer periphery of the inner tube, which can effectively allow the water to exchange heat with the water inside the outer tube. In addition, a spiral guide groove is provided on the inner wall of the outer tube, which can effectively increase the flow distance of the water inside, prolong the heat exchange time, and effectively improve the heat dissipation effect.

[0018] 2. This utility model provides an installation ring on one side of the bent pipe, with internal threads and a first external thread on the inner and outer sides of the installation ring, which can effectively install and fix the outer and inner pipes. At the same time, a sealing ring is provided between the outer and inner pipes to effectively ensure the sealing between them. The inner pipe is also connected to the outside of the inner pipe through a connector thread, which facilitates assembly and allows for quick disassembly for internal maintenance. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the mounting head in this utility model;

[0021] Figure 3 This is a schematic diagram of the outer sleeve in this utility model;

[0022] Figure 4 This is a schematic diagram showing the disassembly structure of the outer sleeve in this utility model;

[0023] Figure 5 This is a schematic diagram of the inner tube in this utility model;

[0024] Figure 6 This is a cross-sectional view of the inner tube in this utility model.

[0025] In the picture:

[0026] 1. Pipe bend; 11. Mounting head; 12. Limiting ring; 13. Mounting ring; 131. First external thread; 132. Internal thread;

[0027] 2. Outer casing; 21. Outlet pipe; 22. Through hole; 23. Spiral guide channel;

[0028] 3. Inner tube; 31. Water inlet pipe; 32. Second external thread; 33. Sealing ring; 34. Through groove; 35. Exchange hole; 36. Cavity; 37. Insulating ring;

[0029] 4. External copper fittings; 41. Connector. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see the appendix Figure 1 - Appendix Figure 6 A novel water-cooled gun neck includes a bent tube 1, one end of which is fixedly connected to a mounting head 11, a limiting ring 12 is fixedly connected to the outside of the mounting head 11, and a mounting ring 13 is fixedly connected to one side of the limiting ring 12.

[0032] The side of the limiting ring 12 is provided with an outer sleeve 2, the inner side of the outer sleeve 2 is provided with an inner tube 3, the top of the inner tube 3 is fixedly connected to a water inlet pipe 31, and the inner tube 3 is provided with exchange holes 35 around its perimeter.

[0033] A through groove 34 is provided on the inner side of the inner tube 3, and a cavity 36 is provided between the inner tube 3 and the through groove 34;

[0034] The inner side of the outer sleeve 2 is provided with a spiral guide groove 23, and the bottom end of the outer sleeve 2 is fixedly connected to a water outlet pipe 21.

[0035] Specifically, the system consists of an outer tube 2 and an inner tube 3. The outer tube 2 is located outside the inner tube 3, which is connected to the external water system via an inlet pipe 31. The outer tube 2 is also connected to the external water system via an outlet pipe 21. Multiple exchange holes 35 are evenly distributed around the outer circumference of the inner tube 3, effectively facilitating heat exchange between the water and the water inside the outer tube 2. Furthermore, a spiral guide groove 23 is provided on the inner wall of the outer tube 2, effectively increasing the flow distance of the water inside and extending the heat exchange time, thus improving heat dissipation. The water flows along the inlet pipe 31... The water enters the cavity 36 and cools the channel 34. The water in the cavity 36 exchanges heat with the cooling water in the outer tube 2 through the exchange hole 35, thereby reducing the temperature of the cooling water in the cavity 36 and improving the cooling effect. At the same time, when the cooling water enters from the inlet pipe 31, it will move along the cavity 36 and continuously exchange heat with the cooling water in the outer tube 2. Finally, it will be discharged from the outlet pipe 21 set at the bottom of the outer tube 2, which is far away from the inlet pipe 31, so that the cooling water flows completely out of the cavity 36 and completes the final exchange work.

[0036] Please see the appendix Figure 6 An insulating ring 37 is provided on the outer periphery of the through groove 34, and a second external thread 32 is provided at both ends of the outer periphery of the inner tube 3. A sealing ring 33 is symmetrically provided between the outer tube 2 and the inner tube 3.

[0037] Specifically, by setting a through groove 34, a cavity 36 is set between the through groove 34 and the inner wall of the inner tube 3, and water can flow in the cavity 36, thereby effectively cooling the through groove 34. By setting an insulating ring 37, which covers the outside of the through groove 34, the current generated in the through groove 34 can be effectively prevented from being transmitted to the inner tube 3 and causing danger.

[0038] Please see the appendix Figure 3The top end of the outer sleeve 2 is provided with a through hole 22, which is correspondingly provided with the water inlet pipe 31. The water inlet pipe 31 passes through the through hole 22 and is located on the outside of the outer sleeve 2.

[0039] Specifically, a through hole 22 is provided at the top of the outer tube 2, and the through hole 22 is correspondingly provided with the water inlet pipe 31. The water inlet pipe 31 passes through the through hole 22 and is provided on the outside of the outer tube 2. The water inlet pipe 31 and the water outlet pipe 21 can be threaded to the corresponding positions at the top of the inner tube 3 and the bottom of the outer tube 2, respectively. When assembly is required, they can be quickly aligned and fixed in their respective positions for easy subsequent use.

[0040] Please see the appendix Figure 2 and Figure 3 The outer side of the mounting ring 13 is provided with a first external thread 131, the inner side of the mounting ring 13 is provided with an internal thread 132, the inner side of the outer sleeve 2 near the mounting ring 13 is provided with a thread, the thread is provided corresponding to the first external thread 131, the outer sleeve 2 is threaded to the outer side of the mounting ring 13, and the inner tube 3 can be threaded to the inner side of the mounting ring 13 through the second external thread 32.

[0041] Specifically, by providing threads on the inner wall of the outer sleeve 2, the outer sleeve 2 can be threaded onto the outside of the first external thread 131 when needed, thereby effectively fixing the outer sleeve 2 to the outside of the mounting ring 13. At the same time, the outer sides of both ends of the inner tube 3 are provided with second external threads 32, which correspond to the inner thread 132, thereby effectively connecting the second external thread 32 with the inner thread 132, making it easy to fix the second external thread 32 to the inside of the mounting ring 13.

[0042] Please see the appendix Figure 1 An external copper part 4 is provided on the outer side of the outer tube 2 away from the bend 1. A connector 41 is fixedly connected to the side of the external copper part 4 near the outer tube 2. The inner side of the connector 41 is provided with a thread, which corresponds to the second external thread 32. The connector 41 is threaded to the outer side of the second external thread 32.

[0043] Specifically, by providing a thread on the inner side of the connector 41, with the thread corresponding to the second external thread 32, the connector 41 is threaded to the outer side of the second external thread 32, so that when needed, the connector 41 can be threaded to the second external thread 32, and the thread is fixed to the outer side of the inner tube 3, thus facilitating a fixed connection with the inner tube 3.

[0044] The working principle of this utility model is as follows: First, the entire device is assembled. By providing threads on the inner wall of the outer sleeve 2, the outer sleeve 2 can be threaded onto the outside of the first external thread 131 when needed, thereby effectively fixing the outer sleeve 2 to the outside of the mounting ring 13. At the same time, the outer sides of both ends of the inner tube 3 are provided with second external threads 32, which are corresponding to the inner thread 132, thereby effectively connecting the second external thread 32 to the inner thread 132, making it easy to fix the second external thread 32 to the inside of the mounting ring 13. By providing threads on the inner side of the connector 41, which are corresponding to the second external thread 32, the connector 41 is threaded onto the outside of the second external thread 32, so that when needed, the connector 41 can be threaded onto the second external thread 32, and the thread is fixed to the outside of the inner tube 3, thus facilitating a fixed connection with the inner tube 3. Then, the inlet pipe 31 and the outlet pipe 21 are respectively threaded to the corresponding positions of the top end of the inner tube 3 and the bottom end of the outer sleeve 2, quickly aligning and fixing them for subsequent use.

[0045] The system consists of an outer tube 2 and an inner tube 3. The outer tube 2 is located outside the inner tube 3, which is connected to the external water system via an inlet pipe 31. The outer tube 2 is also connected to the external water system via an outlet pipe 21. Multiple exchange holes 35 are evenly distributed around the outer circumference of the inner tube 3, effectively facilitating heat exchange between the water and the water inside the outer tube 2. A spiral guide groove 23 is provided on the inner wall of the outer tube 2, which effectively increases the flow distance of the water inside, extending the heat exchange time and improving heat dissipation. The water flows into the inner tube through the inlet pipe 31. The water in the cavity 36 cools the channel 34. The water in the cavity 36 exchanges heat with the cooling water in the outer sleeve 2 through the exchange hole 35, thereby reducing the temperature of the cooling water in the cavity 36 and improving the cooling effect. At the same time, when the cooling water enters from the inlet pipe 31, it moves along the cavity 36 and continuously exchanges heat with the cooling water in the outer sleeve 2. Finally, it is discharged from the outlet pipe 21 set at the bottom of the outer sleeve 2, which is far away from the inlet pipe 31, so that the cooling water flows completely out of the cavity 36 and completes the final exchange work.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel water-cooled gun neck, comprising a bent tube (1), one end of which is fixedly connected to a mounting head (11), characterized in that: A limiting ring (12) is fixedly connected to the outer side of the mounting head (11), and a mounting ring (13) is fixedly connected to one side of the limiting ring (12); The limiting ring (12) is provided with an outer sleeve (2) on its side, and an inner tube (3) is provided inside the outer sleeve (2). A water inlet pipe (31) is fixedly connected to one side of the top end of the inner tube (3), and an exchange hole (35) is provided around the inner tube (3). The inner tube (3) has a through groove (34) on its inner side, and a cavity (36) is provided between the inner tube (3) and the through groove (34); The inner side of the outer sleeve (2) is provided with a spiral guide groove (23), and the bottom end of the outer sleeve (2) is fixedly connected to a water outlet pipe (21).

2. The novel water-cooled gun neck according to claim 1, characterized in that: An insulating ring (37) is provided on the outer periphery of the through groove (34), and a second external thread (32) is provided at both ends of the outer periphery of the inner tube (3). A sealing ring (33) is symmetrically provided between the outer tube (2) and the inner tube (3).

3. The novel water-cooled gun neck according to claim 2, characterized in that: The top end of the outer tube (2) is provided with a through hole (22), which is correspondingly provided with the water inlet pipe (31). The water inlet pipe (31) is provided through the through hole (22) and is located on the outside of the outer tube (2).

4. A novel water-cooled gun neck according to claim 3, characterized in that: The mounting ring (13) has a first external thread (131) on its outer side and an internal thread (132) on its inner side.

5. A novel water-cooled gun neck according to claim 4, characterized in that: The outer tube (2) has a thread on the inner side near the mounting ring (13), and the thread is corresponding to the first external thread (131). The outer tube (2) is threaded to the outer side of the mounting ring (13), and the inner tube (3) can be threaded to the inner side of the mounting ring (13) through the second external thread (32).

6. A novel water-cooled gun neck according to claim 5, characterized in that: An external copper part (4) is provided on the outer side of the outer tube (2) away from the bend (1). A connector (41) is fixedly connected to the side of the external copper part (4) close to the outer tube (2). A thread is provided on the inner side of the connector (41). The thread is provided in correspondence with the second external thread (32). The connector (41) is threaded to the outer side of the second external thread (32).

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