Bent pipe type safety valve

By introducing threaded notches and reinforcement components into the elbow-type safety valve, combined with the gasket and valve body design, the loosening and leakage problems of the elbow-type safety valve in high-pressure environments are solved, the stability and service life are improved, and the safety of equipment and personnel is ensured.

CN223375189UActive Publication Date: 2025-09-23JIANGSU YANGAO VALVE MFG CO LTD
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Patent Information

Application Number
CN202422231412.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-09-23
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The existing elbow-type safety valve is easy to loosen under long-term high-pressure environment, resulting in poor pressure relief effect, and the bend of the elbow body is prone to water pressure shock, resulting in leakage.

Method used

By setting threaded grooves on the outside of the elbow body and reinforcing it with components such as threaded through pipes, elbow reinforcement rings, threaded columns, rubber pads, connecting nuts and reinforcement bolts, combined with the design of components such as the second valve body, valve seat, sealing gasket, valve body, adjusting screw and rigid spring, a tight connection and sealing of the safety valve assembly and the elbow body is achieved, reducing damage caused by water pressure shock.

Benefits of technology

The stability of the safety valve assembly is improved, the service life is extended, the safety of equipment and operators is protected, and water leakage and damage to connectors are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bent pipe type safety valve, which relates to the technical field of bent pipe type safety valves and comprises a bent pipe body, and a threaded notch is arranged outside the bent pipe body. When the safety valve assembly is used, the reinforcing bolt and the reinforcing nut play a role in connecting and fixing, the threaded notch is reserved in the elbow body, one end of the threaded through pipe is accurately installed in place, the two elbow reinforcing rings are further installed, and then the safety valve assembly is integrally screwed into the other end of the threaded through pipe. Under the fixing action of the threaded column and the connecting nut, the safety valve assembly is tightly connected with the bent pipe reinforcing ring, the rubber pad can effectively relieve force applied to the bent pipe body in the reinforcing process, the bent pipe body is protected against damage, the overall structure is simple, installation is convenient, all the components are matched with one another, and the safety valve assembly can be integrally reinforced; the stability of the safety valve assembly in the using process is improved, the service life of the safety valve assembly is prolonged, and the safety of equipment and operators is protected.
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Description

Technical Field

[0001] The utility model belongs to the technical field of elbow-type safety valves, and particularly relates to an elbow-type safety valve. Background Art

[0002] Valves are widely used in various modern equipment. Different valves are required for different usage scenarios. The elbow-type safety valve is one of them. Its opening and closing parts are in a normally closed state under the action of external force. When the internal pressure of the equipment exceeds the expected level, it will open under the action of pressure to complete the pressure relief task, thereby avoiding damage to the equipment caused by excessive pressure and increasing the safety of the equipment during use. However, the existing technology has the following problems:

[0003] Existing elbow-type safety valves have no reinforcement components. Long-term high-pressure conditions may cause loosening between the safety valve component and the elbow body, affecting the pressure relief effect and easily threatening the overall system safety and personal safety.

[0004] In existing elbow-type safety valves, the water pressure impact at the bend of the elbow body is relatively large, which easily leads to leakage problems. Summary of the Invention

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A bend pipe safety valve comprises a bend pipe body, a threaded notch is provided on the outside of the bend pipe body, a safety valve assembly is threadedly connected to the outside of the threaded notch, the safety valve assembly comprises a threaded through pipe, a reinforcement assembly is fixedly installed on the outside of the bend pipe body, the reinforcement assembly comprises a bend pipe reinforcement ring, a threaded column is fixedly connected to the outside of the bend pipe reinforcement ring, a rubber pad is provided on the inside of the bend pipe reinforcement ring, a connecting nut is threadedly connected to the outside of the threaded column, a reinforcement bolt is threadedly connected to the outside of the bend pipe reinforcement ring, and a reinforcement nut is threadedly connected to the outside of the reinforcement bolt.

[0007] A further improvement of the technical solution of the present utility model is that: the outside of the elbow reinforcement ring is fixedly connected with a reinforcing rib plate, and the outside of the threaded through pipe is threadedly connected with a second valve body.

[0008] A further improvement of the technical solution of the present utility model is that: the bottom of the second valve body is fixedly connected to a valve seat, and the bottom of the valve seat is fixedly installed with a first sealing gasket.

[0009] A further improvement of the technical solution of the present utility model is that a second sealing gasket is fixedly installed on the top of the second valve body, and a first valve body is fixedly installed on the top of the second sealing gasket.

[0010] A further improvement of the technical solution of the present invention is that: an adjusting screw is connected to the internal thread of the first valve body, and a spring seat is fixedly installed on the bottom of the adjusting screw.

[0011] A further improvement of the technical solution of the present invention is that a rigid spring is fixedly mounted on the bottom of the spring seat, and a valve core is fixedly mounted on the bottom of the rigid spring.

[0012] A further improvement of the technical solution of the present invention is that a top cover is fixedly installed on the top of the first valve body, the external thread of the first valve body is connected to a fixing bolt, and the external thread of the fixing bolt is connected to a fixing nut.

[0013] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0014] The utility model provides a bend pipe type safety valve, which is threaded and connected to the outside of the bend pipe body under the joint action of a threaded notch, a threaded through-pipe, a bend pipe reinforcement ring, a threaded column, a rubber pad, a connecting nut, a reinforcement bolt and a reinforcement nut. The threaded notch is arranged on the outside of the bend pipe body, the threaded through-pipe is threadedly connected to the outside of the threaded notch, the bend pipe reinforcement ring is fixedly installed on the outside of the bend pipe body, the threaded column is fixedly connected to the outside of the bend pipe reinforcement ring, the rubber pad is arranged on the inside of the bend pipe reinforcement ring, the connecting nut is threadedly connected to the outside of the threaded column, the reinforcement bolt is threadedly connected to the outside of the bend pipe reinforcement ring, and the reinforcement nut is threadedly connected to the outside of the reinforcement bolt. When in use, the reinforcement bolt and the reinforcement nut play a connecting role. The safety valve assembly is screwed into the other end of the threaded pipe. Under the fixing action of the threaded column and the connecting nut, the safety valve assembly is tightly connected to the elbow reinforcement ring. The rubber pad can effectively reduce the force applied to the elbow body during reinforcement, protecting the elbow body from damage. The overall structure is simple and easy to install. The cooperation between the various components can reinforce the safety valve assembly as a whole, thereby improving the stability of the safety valve assembly during use, extending its service life, and protecting the safety of equipment and operators.

[0015] The utility model provides a curved pipe type safety valve, through the joint action of the second valve body, the valve seat, the first sealing gasket, the second sealing gasket, the first valve body, the adjusting screw, the spring seat, the rigid spring and the valve core, the second valve body is threadedly connected to the outside of the threaded through pipe, the valve seat is fixedly connected to the bottom of the second valve body, the first sealing gasket is fixedly installed at the bottom of the valve seat, the second sealing gasket is fixedly installed at the top of the second valve body, the first valve body is fixedly installed at the top of the second sealing gasket, the adjusting screw is threadedly connected to the inside of the first valve body, the spring seat is fixedly installed at the bottom of the adjusting screw, the rigid spring is fixedly installed at the bottom of the spring seat, and the valve core is fixedly installed at the bottom of the rigid spring. When in use, the preload force of the rigid spring is set by adjusting the screw. The second valve body, the first valve body and the spring seat all play a role in installation and fixing. The valve seat is used to install the reinforcement component. When the water pressure in the elbow body is in a stable state, the valve core remains closed. When the pressure rises and exceeds the preload force of the spring, the valve core will be pushed open and begin to release water flow to reduce the pressure in the curved pipe, thereby protecting the stability of the system. The first sealing gasket and the second sealing gasket play a sealing role, reducing damage caused by water pressure shock, avoiding water leakage from the gap, and can reduce local stress concentration, protecting the connecting parts from damage. The overall design is simple, the structure is compact, and it is easy to install and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the elbow body of the utility model;

[0019] Figure 4 This is one of the structural diagrams of the safety valve assembly of the utility model;

[0020] Figure 5 This is the second structural diagram of the safety valve assembly of the utility model;

[0021] Figure 6 This is one of the structural diagrams of the reinforcement component of the utility model;

[0022] Figure 7 This is the second structural diagram of the reinforcement component of the utility model;

[0023] In the figure: 1. elbow body; 101. threaded notch; 2. safety valve assembly; 201. top cover; 202. first valve body; 203. second valve body; 204. valve seat; 205. adjusting screw; 206. fixing bolt; 207. rigid spring; 208. valve core; 209. first sealing gasket; 210. spring seat; 211. second sealing gasket; 212. fixing nut; 213. threaded through pipe; 3. reinforcement assembly; 301. reinforcement nut; 302. connecting nut; 303. elbow reinforcement ring; 304. rubber pad; 305. reinforcing rib plate; 306. reinforcement bolt; 307. threaded column. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below with reference to the embodiments:

[0025] like Figure 1-7 As shown, a bend pipe type safety valve includes a bend pipe body 1, a threaded slot 101 is provided on the outside of the bend pipe body 1, the external thread of the threaded slot 101 is connected to the safety valve assembly 2, the safety valve assembly 2 includes a threaded through pipe 213, the outside of the bend pipe body 1 is fixedly installed with a reinforcement assembly 3, the reinforcement assembly 3 includes a bend pipe reinforcement ring 303, the outside of the bend pipe reinforcement ring 303 is fixedly connected with a threaded column 307, the inside of the bend pipe reinforcement ring 303 is provided with a rubber pad 304, the external thread of the threaded column 307 is connected to a connecting nut 302, the external thread of the bend pipe reinforcement ring 303 is connected to a reinforcement bolt 306, the external thread of the reinforcement bolt 306 is connected to the reinforcement nut 301, and the external of the bend pipe reinforcement ring 303 is fixedly connected to a reinforcing rib plate 305. When in use, the reinforcing bolt 306 and the reinforcing nut 301 play a connecting and fixing role. A threaded notch 101 is reserved on the elbow body 1, and one end of the threaded through pipe 213 is accurately installed in place. Two elbow reinforcement rings 303 are further installed, and then the safety valve assembly 2 is further screwed into the other end of the threaded through pipe 213 as a whole. Under the fixing action of the threaded column 307 and the connecting nut 302, the safety valve assembly 2 is tightly connected to the elbow reinforcement ring 303. The rubber pad 304 can effectively reduce the force applied to the elbow body 1 during reinforcement, protecting the elbow body 1 from damage. The overall structure is simple and easy to install. The cooperation between the various components can reinforce the safety valve assembly 2 as a whole, thereby improving the stability of the safety valve assembly 2 during use, extending its service life, and protecting the safety of equipment and operators.

[0026] like Figure 1-7As shown, the external thread of the threaded through pipe 213 is connected to the second valve body 203, the bottom of the second valve body 203 is fixedly connected to the valve seat 204, the bottom of the valve seat 204 is fixedly installed with a first sealing gasket 209, the top of the second valve body 203 is fixedly installed with a second sealing gasket 211, the top of the second sealing gasket 211 is fixedly installed with the first valve body 202, the internal thread of the first valve body 202 is connected to the adjusting screw 205, the bottom of the adjusting screw 205 is fixedly installed with a spring seat 210, the bottom of the spring seat 210 is fixedly installed with a rigid spring 207, the bottom of the rigid spring 207 is fixedly installed with a valve core 208, the top of the first valve body 202 is fixedly installed with a top cover 201, the external thread of the first valve body 202 is connected to a fixing bolt 206, and the external thread of the fixing bolt 206 is connected to a fixing nut 212. During use, the preload force of the rigid spring 207 is set by adjusting the screw 205. The second valve body 203, the first valve body 202 and the spring seat 210 all play a role in installation and fixing. The valve seat 204 is used to install the reinforcement component 3. When the water pressure in the elbow body 1 is in a stable state, the valve core 208 remains closed. When the pressure rises and exceeds the preload force of the spring, the valve core 208 will be pushed open and begin to release water flow to reduce the pressure in the curved pipe, thereby protecting the stability of the system. The first sealing gasket 209 and the second sealing gasket 211 play a sealing role, reducing damage caused by water pressure shock, avoiding water leakage from the gap, and can reduce local stress concentration, protecting the connecting parts from damage. The overall design is simple, the structure is compact, and it is easy to install and replace.

[0027] The following is a detailed description of the working principle of the elbow type safety valve.

[0028] like Figure 1-7As shown, the threaded notch 101 is arranged on the outside of the elbow body 1, the threaded through pipe 213 is threadedly connected to the outside of the threaded notch 101, the elbow reinforcement ring 303 is fixedly installed on the outside of the elbow body 1, the threaded column 307 is fixedly connected to the outside of the elbow reinforcement ring 303, the rubber pad 304 is arranged on the inside of the elbow reinforcement ring 303, the connecting nut 302 is threadedly connected to the outside of the threaded column 307, the reinforcing bolt 306 is threadedly connected to the outside of the elbow reinforcement ring 303, and the reinforcing nut 301 is threadedly connected to the outside of the reinforcing bolt 306. When in use, the reinforcing bolt 306 and the reinforcing nut 301 play a connecting and fixing role. The threaded notch 101 is reserved on the elbow body 1. 1. Accurately install one end of the threaded through pipe 213 in place, further install two elbow reinforcement rings 303, and then further screw the safety valve assembly 2 into the other end of the threaded through pipe 213. Under the fixing action of the threaded column 307 and the connecting nut 302, the safety valve assembly 2 is tightly connected to the elbow reinforcement ring 303. The rubber pad 304 can effectively reduce the force applied to the elbow body 1 during reinforcement, protecting the elbow body 1 from damage. The overall structure is simple and easy to install. The cooperation between the various components can reinforce the safety valve assembly 2 as a whole, improve the stability of the safety valve assembly 2 during use, extend its service life, and protect the safety of equipment and operators. The second valve body 203 is threadedly connected to the outside of the threaded through pipe 213, the valve seat 204 is fixedly connected to the bottom of the second valve body 203, the first sealing gasket 209 is fixedly installed on the bottom of the valve seat 204, the second sealing gasket 211 is fixedly installed on the top of the second valve body 203, the first valve body 202 is fixedly installed on the top of the second sealing gasket 211, the adjusting screw 205 is threadedly connected to the inside of the first valve body 202, the spring seat 210 is fixedly installed on the bottom of the adjusting screw 205, the rigid spring 207 is fixedly installed on the bottom of the spring seat 210, and the valve core 208 is fixedly installed on the bottom of the rigid spring 207. The rigid spring 207 is set by adjusting the screw 205 during use. The second valve body 203, the first valve body 202 and the spring seat 210 all play a role in installation and fixing. The valve seat 204 is used to install the reinforcement component 3. When the water pressure in the elbow body 1 is in a stable state, the valve core 208 remains closed. When the pressure rises and exceeds the preload of the spring, the valve core 208 will be pushed open and begin to release water to reduce the pressure in the curved pipe, thereby protecting the stability of the system. The first sealing gasket 209 and the second sealing gasket 211 play a sealing role, reducing damage caused by water pressure shock, avoiding water leakage from the gap, and can reduce local stress concentration, protecting the connector from damage. The overall design is simple, the structure is compact, and it is easy to install and replace.

[0029] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of the present invention.

Claims

1. A bend type safety valve, comprising a bend body (1), characterized in that: The outer portion of the elbow body (1) is provided with a threaded notch (101), the outer portion of the threaded notch (101) is threadedly connected to a safety valve assembly (2), the safety valve assembly (2) comprising a threaded through-tube (213), the outer portion of the elbow body (1) is fixedly mounted with a reinforcement assembly (3), the reinforcement assembly (3) comprising an elbow reinforcement ring (303), the outer portion of the elbow reinforcement ring (303) being fixedly connected to a threaded column (307), the inner portion of the elbow reinforcement ring (303) being provided with a rubber pad (304), the outer portion of the threaded column (307) being threadedly connected to a connecting nut (302), the outer portion of the elbow reinforcement ring (303) being threadedly connected to a reinforcement bolt (306), and the outer portion of the reinforcement bolt (306) being threadedly connected to a reinforcement nut (301).

2. The elbow type safety valve according to claim 1, characterized in that: The exterior of the elbow reinforcement ring (303) is fixedly connected to a reinforcing rib plate (305), and the exterior of the threaded through pipe (213) is threadedly connected to the second valve body (203).

3. The elbow type safety valve according to claim 2, characterized in that: The bottom of the second valve body (203) is fixedly connected to a valve seat (204), and the bottom of the valve seat (204) is fixedly mounted with a first sealing gasket (209).

4. The elbow type safety valve according to claim 2, characterized in that: A second sealing gasket (211) is fixedly mounted on the top of the second valve body (203), and a first valve body (202) is fixedly mounted on the top of the second sealing gasket (211).

5. The elbow type safety valve according to claim 4, characterized in that: The first valve body (202) is internally threadedly connected to an adjusting screw (205), and a spring seat (210) is fixedly mounted on the bottom of the adjusting screw (205).

6. The elbow type safety valve according to claim 5, characterized in that: A rigid spring (207) is fixedly mounted on the bottom of the spring seat (210), and a valve core (208) is fixedly mounted on the bottom of the rigid spring (207).

7. The elbow type safety valve according to claim 4, characterized in that: A top cover (201) is fixedly mounted on the top of the first valve body (202), a fixing bolt (206) is threadedly connected to the outside of the first valve body (202), and a fixing nut (212) is threadedly connected to the outside of the fixing bolt (206).