All-angle flexible butt joint corrugated pipe stop valve

The bellows stop valve with full-angle flexible docking utilizes a combination of stainless steel bellows and specific materials to solve the maintenance inconvenience of fixed angle copper tubes and achieves improved angle adjustment and sealing performance.

CN120667593APending Publication Date: 2025-09-19SHAOXING WANZHAO REFRIGERATION EQUIP CO LTD
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Patent Information

Application Number
CN202511047941.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-29
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

The copper tube angle of existing refrigeration valves is fixed and cannot be adjusted, which makes maintenance work inconvenient and requires various types of valves to be prepared.

Method used

The bellows stop valve with full-angle flexible docking uses a stainless steel bellows body instead of a copper tube, combined with a fluororubber sealing rubber ring, a ceramic valve core and a graphite sealing ring to achieve arbitrary angle adjustment.

Benefits of technology

It greatly facilitates the repair and replacement of valves, reduces maintenance costs, and improves the service life and sealing performance of the valve core.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention provides an all-angle flexible butt joint corrugated pipe stop valve, and relates to the technical field of refrigeration valves, the all-angle flexible butt joint corrugated pipe stop valve comprises a valve bonnet, the bottom of the valve bonnet is connected with a valve body, one side of the valve body is provided with a valve core connector, the outer side of the valve core connector is connected with a valve core main body, and the outer surface of the valve core main body is sleeved with a valve core cap; the other side of the valve body is connected with a transverse hole connector, the front end of the transverse hole connector is connected with a sealing gasket, the outer surface of the transverse hole connector is connected with a pipe connecting nut, a clamping ring is arranged on the inner wall, close to the valve bonnet, of the valve body, the right lower end of the clamping ring is connected with a valve element, and the bottom surface of the valve element is connected with a sealing ring body. According to the stainless steel corrugated pipe valve, when a copper pipe is replaced by the stainless steel corrugated pipe body, the installation angle can be adjusted at will, the angle can be adjusted at will during maintenance, and maintenance and replacement of the valve are greatly facilitated.
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Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration valves, and in particular to a bellows stop valve with full-angle flexible docking. Background Art

[0002] Refrigeration valves are key components in refrigeration systems that control the flow, pressure, and direction of the medium. For example, stop valves and solenoid valves are used to open or cut off the flow of refrigerant to facilitate system maintenance or flow adjustment. Check valves prevent refrigerant backflow, avoiding compressor damage or system efficiency loss.

[0003] For example, announcement number CN222894718U, a refrigeration and air conditioning anti-leakage valve, relates to the technical field of anti-leakage valves, and the refrigeration and air conditioning anti-leakage valve comprises: a delivery pipe, a valve is provided at the delivery pipe connecting pipe, and further comprises: a clamping pipe fixedly mounted on one end of the valve for clamping the connecting pipe, the valve movably clamped at the delivery pipe connecting pipe; a fixing assembly, the fixing assembly comprising a fixing ring fixedly mounted on the outer side wall of the valve, a fixing pipe fixedly mounted on one side wall of the fixing ring. The utility model rotates the rotating rod clockwise so that the rotating rod and the rotating pipe cooperate with each other through the threaded groove, the threaded protrusion, the clamping block, and the guide rod, thereby enabling the rotating pipe to move toward the connecting pipe on the outer side wall of the rotating rod, and then the connecting pipe can be clamped and fixed by the overall arc-shaped clamping plate, so as to achieve the effect of facilitating the user to fix the anti-leakage valve on the connecting pipe.

[0004] This patent allows for clamping and fixing by means of an overall arc-shaped clamping plate, but the angle of the copper tube of this type of valve is fixed and cannot be adjusted, which is very inconvenient for maintenance work and requires various types of valves to be prepared. Utility Model Content

[0005] The purpose of the present invention is to solve the problem that the existing valves in the prior art all have copper tubes with fixed angles and cannot be adjusted, which is very inconvenient for maintenance work and requires various types of valves to be prepared.

[0006] In order to achieve the above-mentioned objectives, the present invention adopts the following technical scheme: a bellows stop valve with full-angle flexible docking, including a valve bonnet, the bottom of the valve bonnet is connected to the valve body, a valve core joint is provided on one side of the valve body, the outer side of the valve core joint is connected to the valve core body, the outer surface of the valve core body is sleeved with the valve core cap, the other side of the valve body is connected to a cross-hole joint, the front end of the cross-hole joint is connected to a sealing gasket, the outer surface of the cross-hole joint is connected to a pipe nut, a retaining ring is provided on the inner wall of the valve body near the valve bonnet, the lower end of the retaining ring is connected to the valve core, the bottom surface of the valve core is connected to the sealing ring body, the bottom of the valve body is connected to the bellows body, the bottom of the bellows body is connected to the dust cap, and the bottom surface of the valve body is connected to the flange.

[0007] Furthermore, the valve cap is connected to the valve body through threads, and a sealing rubber ring is provided at the connection, and the sealing rubber ring is made of fluororubber.

[0008] Furthermore, the valve core joint and the valve body are an integrally formed structure, and the inner wall of the valve core joint is provided with a smooth thread, so that a threaded connection is formed between the valve core body and the valve core joint.

[0009] Furthermore, the transverse hole joint and the valve body are fixedly connected by welding, and the outer surface of the transverse hole joint is provided with anti-slip textures.

[0010] Furthermore, the bellows body is made of stainless steel, and the bellows body is connected to the valve body and the dust cap through clamps.

[0011] Furthermore, the valve core is made of ceramic material, and the sealing ring body is made of polytetrafluoroethylene material.

[0012] Furthermore, the surfaces of the valve body and the valve cap are both provided with an electroplating layer.

[0013] Furthermore, the flange is connected to the valve body by bolts, and a sealing ring is provided at the connection, and the material is graphite.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] In the present invention, the copper tube is replaced by the stainless steel bellows body, so that the installation angle can be adjusted arbitrarily. The angle can be adjusted arbitrarily during maintenance, which greatly facilitates the maintenance and replacement of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention provides a first cross-sectional structural diagram of a bellows stop valve with full-angle flexible docking;

[0017] Figure 2 The second cross-sectional structural diagram of a bellows stop valve with full-angle flexible docking proposed by the present invention;

[0018] Figure 3 The present invention provides a front structural schematic diagram of a bellows stop valve with full-angle flexible docking.

[0019] Legend: 1. Valve bonnet; 2. Valve body; 3. Valve core cap; 4. Valve core body; 5. Snap ring; 6. Valve core; 7. Sealing ring body; 8. Connecting nut; 9. Sealing gasket; 10. Bellows body; 11. Dust cap; 12. Cross hole joint; 13. Valve core joint; 14. Flange. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Examples, such as Figure 1 - Figure 3 As shown, the present invention provides a bellows stop valve with full-angle flexible docking, including a valve bonnet 1, the bottom of the valve bonnet 1 is connected to the valve body 2, one side of the valve body 2 is provided with a valve core joint 13, the outer side of the valve core joint 13 is connected to the valve core body 4, the outer surface of the valve core body 4 is sleeved with a valve core cap 3, the other side of the valve body 2 is connected to a cross hole joint 12, the front end of the cross hole joint 12 is connected to a sealing gasket 9, the outer surface of the cross hole joint 12 is connected to a pipe nut 8, a retaining ring 5 is provided on the inner wall of the valve body 2 near the valve bonnet 1, the lower end of the retaining ring 5 is connected to the valve core 6, the bottom surface of the valve core 6 is connected to the sealing ring body 7, the bottom of the valve body 2 is connected to the bellows body 10, the bottom of the bellows body 10 is connected to the dust cap 11, the bottom surface of the valve body 2 is connected to the flange 14, the valve bonnet 1 and the valve body 2 is connected by threads, and a sealing rubber ring is provided at the connection. The sealing rubber ring is made of fluororubber. The valve core joint 13 and the valve body 2 are an integrally formed structure, and the inner wall of the valve core joint 13 is provided with a smooth thread. The valve core body 4 and the valve core joint 13 are threadedly connected. The cross hole joint 12 and the valve body 2 are fixedly connected by welding. The outer surface of the cross hole joint 12 is provided with anti-slip grooves. The bellows body 10 is stainless steel. The bellows body 10 is connected to the valve body 2 and the dust cap 11 by a clamp. The valve core 6 is made of ceramic material, the sealing ring body 7 is made of polytetrafluoroethylene material, the surfaces of the valve body 2 and the valve cap 1 are provided with an electroplating layer, the flange 14 is connected to the valve body 2 by bolts, and a sealing ring piece is provided at the connection, and the material is graphite material.

[0023] The effect achieved by its embodiment is that the valve cap 1 is connected to the valve body 2 by a thread, and a sealing rubber ring is provided at the connection. The sealing rubber ring is made of fluororubber to improve the sealing performance of the connection and prevent gas leakage. The inner wall of the valve core joint 13 is provided with a smooth thread, which can facilitate the installation and disassembly of the valve core body 4 and reduce the resistance during gas flow. The outer surface of the cross-hole joint 12 is provided with anti-slip grooves to facilitate the tightening operation of the pipe nut 8. At the same time, the bellows body 10 is made of stainless steel, and its surface is polished and has good flexibility and corrosion resistance. The bellows body 10 is connected to the valve body 2 and the dust cap 11 by a clamp, which is firmly connected and easy to disassemble and replace. The valve core 6 is made of ceramic material. Ceramic material has the advantages of high hardness, good wear resistance, and strong corrosion resistance. It can improve the service life of the valve core 6 and reduce the maintenance cost of the valve. The stainless steel bellows body 10 replaces the copper tube, so that the installation angle can be adjusted arbitrarily, and the angle can be adjusted arbitrarily during maintenance, which greatly facilitates the maintenance and replacement of the valve.

[0024] Working principle: The stainless steel bellows main body 10 replaces the copper tube, so that the installation angle can be adjusted arbitrarily. The angle can be adjusted arbitrarily during maintenance, which greatly facilitates the maintenance and replacement of the valve. The flange 14 is connected to the valve body 2 by bolts, and a sealing ring is provided at the connection to play a sealing role. The valve core 6 is made of ceramic material, which can increase the service life of the valve core 6 and reduce the maintenance cost of the valve.

[0025] The above are merely preferred embodiments of the present invention and do not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A bellows stop valve with full-angle flexible docking, comprising a valve cap (1), characterized in that: The bottom of the valve cap (1) is connected to the valve body (2), a valve core joint (13) is provided on one side of the valve body (2), the outer side of the valve core joint (13) is connected to the valve core body (4), the outer surface of the valve core body (4) is sleeved with the valve core cap (3), the other side of the valve body (2) is connected to the transverse hole joint (12), the front end of the transverse hole joint (12) is connected to the sealing gasket (9), the outer surface of the transverse hole joint (12) is connected to the pipe nut (8), and the inner wall of the valve body (2) close to the valve cap (1) is provided with a retaining ring (5); The lower end of the clamping ring (5) is connected to the valve core (6), the bottom surface of the valve core (6) is connected to the sealing ring body (7), the bottom of the valve body (2) is connected to the bellows body (10), the bottom of the bellows body (10) is connected to the dust cap (11), and the bottom surface of the valve body (2) is connected to the flange (14).

2. The bellows stop valve with full-angle flexible docking according to claim 1, characterized in that: The valve cap (1) and the valve body (2) are connected via threads, and a sealing rubber ring is provided at the connection, wherein the sealing rubber ring is made of fluororubber.

3. The bellows stop valve with full-angle flexible docking according to claim 2, characterized in that: The valve core joint (13) and the valve body (2) are an integrally formed structure, and the inner wall of the valve core joint (13) is provided with a smooth thread, and a threaded connection is formed between the valve core body (4) and the valve core joint (13).

4. The bellows stop valve with full-angle flexible docking according to claim 3, characterized in that: The transverse hole joint (12) and the valve body (2) are fixedly connected by welding, and the outer surface of the transverse hole joint (12) is provided with anti-slip patterns.

5. The bellows stop valve with full-angle flexible docking according to claim 4, characterized in that: The bellows body (10) is made of stainless steel, and the bellows body (10) is connected to the valve body (2) and the dust cap (11) via clamps.

6. The bellows stop valve with full-angle flexible docking according to claim 1, characterized in that: The valve core (6) is made of ceramic material, and the sealing ring body (7) is made of polytetrafluoroethylene material.

7. The bellows stop valve with full-angle flexible docking according to claim 6, characterized in that: The surfaces of the valve body (2) and the valve cap (1) are both provided with an electroplating layer.

8. The bellows stop valve with full-angle flexible docking according to claim 7, characterized in that: The flange (14) is connected to the valve body (2) by bolts, and a sealing ring is provided at the connection, and the material is graphite.

Citation Information

Patent Citations

  • Leakage-proof valve of refrigeration air conditioner

    CN222894718U