Loose joint valve

Abstract

The utility model relates to the technical field of valves, in particular to a loose joint valve which comprises a valve body assembly, loose joint assemblies are connected to the two ends of the valve body assembly, each loose joint assembly comprises a pipe joint nut, a pipe body, a loose joint sleeve, a first sealing ring, a first limiting ring and a second limiting ring, and one end of the pipe body is fixedly connected with the first limiting ring; the pipe joint nut is connected with the end of the valve body assembly through threads, the loose joint sleeve is connected to the outer side of the pipe body in a sleeved mode, internal threads are arranged on the inner side of the loose joint sleeve, the second limiting ring is connected to the side, close to the pipe joint nut, of the loose joint sleeve, and the first sealing ring is arranged between the first limiting ring and the second limiting ring. One end of the pipe body is detachably connected with the end part of the valve body assembly through the pipe joint nut, so that pipe bodies with different lengths can be conveniently replaced, the installation applicability is improved, the loose joint sleeve is connected with a fixed pipeline, the pipeline does not need to be cut off, the cost is reduced, the installation and maintenance difficulty is reduced, the flexibility is improved, and the replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a loose joint valve. BACKGROUND

[0002] At present, when installing pipeline in the room, first, the valve and the pipeline at both ends are connected, then the pipeline is fixed in the room, so when the valve needs to be replaced, because there is no operation space to remove the connection between the valve and the pipeline, two small sections of the pipeline need to be cut off to replace the new valve, the flexibility is low, the efficiency of replacement is reduced, and the valve and the two small sections of the pipeline need to be connected in advance before the new valve is replaced, then the two small sections of the pipeline are welded with the original pipeline, which is time-consuming and laborious, increases the cost and the difficulty of installation and maintenance. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model discloses a loose joint valve with low cost, reduced installation and maintenance difficulty, improved flexibility and improved replacement efficiency.

[0004] The utility model discloses the technical scheme that adopts:

[0005] A loose joint valve, comprising a valve body assembly, both ends of the valve body assembly are connected with a loose joint assembly, the loose joint assembly comprises a pipe joint nut, a pipe body, a loose joint sleeve, a first sealing ring, a first limiting ring and a second limiting ring, one end of the pipe body is fixedly connected with the first limiting ring, the other end is fixedly connected with the pipe joint nut, the pipe joint nut is connected with the end of the valve body assembly through thread, the loose joint sleeve is sleeved on the outside of the pipe body, and the inside thereof is provided with internal threads, the second limiting ring is connected to one side of the loose joint sleeve close to the pipe joint nut, and the first sealing ring is arranged between the first limiting ring and the second limiting ring.

[0006] Preferably, the valve body assembly comprises a main body and an outer thread connection pipe fixedly connected to both ends of the main body, the pipe joint nut is connected with the outer thread connection pipe through thread, the end of the pipe body away from the first limiting ring is provided with a second sealing ring, the second sealing ring is abutted with one end of the outer thread connection pipe, and the second sealing ring is arranged in the pipe joint nut.

[0007] Preferably, the main body is an electromagnetic valve or a manual valve.

[0008] Preferably, the material of the first sealing ring and the second sealing ring is rubber.

[0009] Preferably, the outside of the loose joint sleeve is provided with anti-skid protrusions, and the anti-skid protrusions are arranged in a ring array.

[0010] Preferably, the pipe joint nut is an octagonal nut.

[0011] The utility model has the advantages of:

[0012] The pipe body of the loose joint valve is detachably connected with the end of the valve body assembly through the pipe joint nut, so that different lengths of pipe bodies can be replaced, installation applicability is improved, the loose joint sleeve is connected with the fixed pipeline, the pipeline does not need to be cut off, cost is reduced, installation and maintenance difficulty is reduced, flexibility is improved, and replacement efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the loose joint valve.

[0014] Figure 2 It is a structural exploded view of the loose joint valve.

[0015] Figure 3 It is a sectional view of the first loose joint valve structure.

[0016] Figure 4 It is a connection and installation schematic view of the loose joint valve and the pipeline.

[0017] Figure 5 It is a sectional view of the second loose joint valve structure.

[0018] In the drawings: 1. Valve body assembly; 101. Main body; 102. Outer threaded connecting pipe; 2. Loose joint assembly; 201. Pipe joint nut; 202. Pipe body; 203. Loose joint sleeve; 204. First sealing ring; 205. First limiting ring; 206. Second limiting ring; 207. Inner thread; 208. Anti-skid protrusion; 3. Second sealing ring; 4. Pipeline. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a loose joint valve, valve body assembly 1 is connected with loose joint assembly 2 at both ends, loose joint assembly 2 includes pipe joint nut 201, pipe body 202, loose joint sleeve 203, first sealing ring 204, first limit ring 205 and second limit ring 206, one end of pipe body 202 is fixedly connected with first limit ring 205, the other end is fixedly connected with pipe joint nut 201, pipe joint nut 201 is connected with the end of valve body assembly 1 by thread, loose joint sleeve 203 is sleeved on the outside of pipe body 202, and its inside is equipped with internal thread 207, second limit ring 206 is connected to the side of loose joint sleeve 203 close to pipe joint nut 201, first sealing ring 204 is arranged between first limit ring 205 and second limit ring 206.

[0021] One end of pipe body 202 is detachably connected with the end of valve body assembly 1 through pipe joint nut 201, and then different lengths of pipe body 202 are replaced, so that valve body assembly 1 is connected with pipe body 202 of different lengths, suitable for different installation size requirements, improve installation applicability, connect loose joint sleeve 203 with pipe 4 fixed in room, without cutting off pipe 4, reduce cost, reduce installation and maintenance difficulty, improve flexibility and improve replacement efficiency.

[0022] In order to facilitate the improvement of sealing performance, in the embodiment, preferably, the valve body assembly 1 comprises a main body 101 and an outer threaded connection pipe 102 fixedly connected to both ends of the main body 101, the pipe joint nut 201 is connected with the outer threaded connection pipe 102 by thread, the end of the pipe body 202 away from the first limit ring 205 abuts against the second sealing ring 3, the second sealing ring 3 abuts against one end of the outer threaded connection pipe 102, and it is arranged in the pipe joint nut 201.

[0023] In order to facilitate the improvement of automation degree, in the embodiment, preferably, the main body 101 is an electromagnetic valve or a manual valve, so as to improve the automation degree when using the electromagnetic valve as the main body 101, and reduce the use cost when using the manual valve as the main body 101.

[0024] In order to facilitate the improvement of sealing performance, in the embodiment, preferably, the material of the first sealing ring 204 and the second sealing ring 3 is rubber, so as to have excellent elasticity, tightly fit the sealing surface, adapt to uneven surface, and ensure effective sealing.

[0025] In order to facilitate the improvement of the anti-skid effect and the improvement of the installation convenience, preferably, the outer side of the loose sleeve 203 is provided with anti-skid protrusions 208, and the anti-skid protrusions 208 are arranged in an annular array, and the purpose is to increase the friction between the hand and the loose sleeve 203 through the anti-skid protrusions 208, so that the loose sleeve 203 is more easily tightened or loosened, thereby facilitating the connection or disassembly of the loose sleeve 203 and the pipeline 4 fixed in the room, and improving the installation convenience.

[0026] In order to facilitate the improvement of the installation and disassembly convenience, preferably, the pipe joint nut 201 is an octagonal nut, and the purpose is that the octagonal nut is designed to facilitate the operation of using a wrench and the like, and simplifies the installation and disassembly process, which is more advantageous especially when the space is limited.

[0027] Please refer to Figure 5 , in order to facilitate the improvement of the structural stability, preferably, the pipe body 202 is integrally connected with the valve body assembly 1.

[0028] The working principle and use process of the utility model: the length of the pipe body 202 is determined according to the distance between the two ends of the pipeline 4 fixed in the room, one end of the pipe body 202 is detachably connected with the end of the valve body assembly 1 through the pipe joint nut 201, thereby facilitating the replacement of the pipe body 202 of different lengths, so that the valve body assembly 1 is connected with the pipe body 202 of different lengths, which is suitable for different installation size requirements, improves the installation applicability, the loose sleeve 203 is threadedly connected with the external thread of the pipeline 4 fixed in the room through the internal thread 207, realizes the installation effect of the loose valve, when the loose valve needs to be disassembled, only the connection between the loose sleeve 203 and the pipeline 4 needs to be released, without cutting off the pipeline 4, which reduces the cost, reduces the installation and maintenance difficulty, improves the flexibility and improves the replacement efficiency.

[0029] Finally, it should be pointed out that: the above-mentioned is only the preferred example of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A valve comprising a valve body assembly (1), characterised in that: Both ends of the valve body assembly (1) are connected with a union assembly (2), the union assembly (2) comprises a pipe joint nut (201), a pipe body (202), a union sleeve (203), a first sealing ring (204), a first limiting ring (205) and a second limiting ring (206), one end of the pipe body (202) is fixedly connected with the first limiting ring (205), the other end is fixedly connected with the pipe joint nut (201), the pipe joint nut (201) is connected with the end of the valve body assembly (1) through threads, the union sleeve (203) is sleeved on the outer side of the pipe body (202), and the inner side is provided with an internal thread (207), the second limiting ring (206) is connected to the side of the union sleeve (203) close to the pipe joint nut (201), and the first sealing ring (204) is arranged between the first limiting ring (205) and the second limiting ring (206).

2. The expeller valve of claim 1, wherein: The valve body assembly (1) comprises a main body (101) and an external thread connecting pipe (102) fixedly connected to both ends of the main body (101), the pipe joint nut (201) is connected with the external thread connecting pipe (102) through threads, one end of the pipe body (202) away from the first limiting ring (205) is abutted with a second sealing ring (3), the second sealing ring (3) is abutted with one end of the external thread connecting pipe (102), and the second sealing ring (3) is arranged in the pipe joint nut (201).

3. The expeller valve of claim 2, wherein: The main body (101) is an electromagnetic valve or a manual valve.

4. The expeller valve of claim 2, wherein: The material of the first sealing ring (204) and the second sealing ring (3) is rubber.

5. The expeller valve of claim 1, wherein: The outer side of the union sleeve (203) is provided with anti-skid protrusions (208), and the anti-skid protrusions (208) are arranged in an annular array.

6. The expeller valve of claim 1, wherein: The pipe joint nut (201) is an octagonal nut.

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