Anti-loosening low-leakage high-sealing valve

Abstract

The utility model provides an anti-loosening low-leakage high-sealing valve which comprises a body, the body comprises a valve seat and an anti-loosening mechanism, a valve body is installed at the top end of the valve seat in a threaded connection mode, the valve seat is a three-way pipe, installation female heads are installed at the two ends of the bottom of the valve seat in a threaded connection mode, and the anti-loosening mechanism comprises a limiting sleeve and an anti-loosening piece. By arranging the elastic rubber rings between the two ends of the valve seat and the mounting female head, the space between the valve seat and the mounting female head can be sealed, meanwhile, the mounting female head can be rotationally adjusted, so that the mounting female head is opposite to a second limiting groove, and the mounting female head is conveniently limited through a limiting sleeve; system pipeline leakage caused by looseness of the low-leakage high-sealing valve is prevented; the valve body can be limited through the anti-loosening piece and the first limiting groove, the valve body is prevented from loosening, the exhaust capacity of the low-leakage high-sealing valve can be guaranteed, meanwhile, the anti-loosening piece is limited through the limiting sleeve and the third limiting groove, and the stability of the anti-loosening piece can be improved.

Description

Technical Field

[0001] This utility model relates to the field of low-leakage high-sealing valve technology, specifically a low-leakage high-sealing valve with anti-loosening properties. Background Technology

[0002] Low-leakage, high-sealing valves are a component of gas extinguishing systems and are widely used in fire protection systems. They are used to release leaking gas from pipelines and prevent system malfunctions. Low-pressure, high-sealing valves are normally open and only close when the internal pressure of the pipeline reaches a set pressure.

[0003] In existing low-leakage high-sealing valves, the valve body is typically screwed onto the top of the valve seat, and the two ends of the valve seat are fixedly connected to the system pipeline via nuts. Since the low-leakage high-sealing valve does not have an anti-loosening mechanism, when the valve is subjected to vibration during use, the valve body and nuts are prone to loosening, which affects the venting function of the low-leakage high-sealing valve and causes leakage in the system pipeline, reducing the practicality of the low-leakage high-sealing valve.

[0004] Therefore, this utility model provides a valve that prevents loosening, reduces leakage, and provides high sealing. Utility Model Content

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a low-leakage, high-sealing valve with anti-loosening features to solve the problems mentioned in the background. This utility model uses an anti-loosening component to limit the valve body, and a limiting sleeve to limit the mounting head and the anti-loosening component, preventing the valve body and mounting head from becoming loose. This ensures the exhaust capacity of the low-leakage, high-sealing valve, prevents system pipeline leakage, and thus improves the practicality of the low-leakage, high-sealing valve.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a low-leakage, high-sealing anti-loosening valve, comprising a body, the body including a valve seat and an anti-loosening mechanism, a valve body being screwed onto the top of the valve seat, the valve seat being a tee pipe, and mounting female heads being screwed onto the bottom two ends of the valve seat, the anti-loosening mechanism including a limiting sleeve and an anti-loosening component, the anti-loosening component being T-shaped, a first limiting groove being formed inside the top of the anti-loosening component, the limiting sleeve being symmetrically slidably disposed on the outer sides of both ends of the valve seat, the limiting sleeve being disposed on the bottom two ends of the anti-loosening component and on the outer sides of the mounting female head, a fixing screw being fixedly disposed at the rear end of the anti-loosening component, and an elastic rubber ring being fixedly disposed between the bottom two ends of the valve seat and the mounting female head.

[0007] Furthermore, the valve body has a valve core that moves internally via a spring, the valve core has an air passage inside, and the valve body has an exhaust port at the top. The air passage, the exhaust port, and the valve seat are interconnected.

[0008] Furthermore, the outer side of the bottom end of the valve body is hexagonal, and the bottom end of the valve body is snapped into the inside of the first limiting groove.

[0009] Furthermore, the front side of the anti-loosening component is provided with an installation groove, and the valve seat is installed inside the installation groove.

[0010] Furthermore, the outer shape of the limiting sleeve is a regular hexagon, and the two ends of the limiting sleeve are respectively provided with a second limiting groove and a third limiting groove.

[0011] Furthermore, the second limiting groove is hexagonal in shape, and one end of the mounting head is installed inside the second limiting groove.

[0012] Furthermore, the third limiting groove is hexagonal in shape, and the bottom ends of the anti-loosening component are installed inside the third limiting groove.

[0013] Furthermore, a second spring and a first spring are respectively provided between the bottom ends of the mounting head and the anti-loosening component and the inner wall of the limiting sleeve, and the first spring and the second spring are both fitted on the outer sides of the two ends of the valve seat.

[0014] The beneficial effects of this utility model are as follows: This utility model provides an anti-loosening low-leakage high-sealing valve. By setting elastic rubber rings between the two ends of the valve seat and the mounting female head, it can seal the valve seat and the mounting female head while also allowing the mounting female head to rotate and adjust so that it is aligned with the second limiting groove. This facilitates the limiting sleeve to limit the mounting female head, preventing system pipeline leakage caused by loosening of the low-leakage high-sealing valve. The anti-loosening component and the first limiting groove limit the valve body, preventing it from loosening and ensuring the exhaust capacity of the low-leakage high-sealing valve. Simultaneously, the limiting sleeve and the third limiting groove limit the anti-loosening component, improving its stability. The fixed screw facilitates the fixing of the low-leakage high-sealing valve using the anti-loosening component, further enhancing its stability. Attached Figure Description

[0015] Figure 1 This is a structural diagram of an anti-loosening, low-leakage, high-sealing valve according to this utility model;

[0016] Figure 2 This is a front cross-sectional view of an anti-loosening, low-leakage, high-sealing valve according to the present invention.

[0017] Figure 3 This is a structural diagram of the main body of an anti-loosening, low-leakage, high-sealing valve according to the present invention;

[0018] Figure 4 This is a structural diagram of an anti-loosening component for a low-leakage, high-sealing valve according to the present invention;

[0019] In the diagram: 1. Valve seat; 2. Valve body; 3. Exhaust port; 4. Mounting female head; 5. Limiting sleeve; 6. Anti-loosening component; 7. Fixing screw; 8. First limiting groove; 9. Second limiting groove; 10. Third limiting groove; 11. First spring; 12. Second spring; 13. Elastic rubber ring; 14. Mounting groove. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figures 1 to 4 This utility model provides a technical solution: a low-leakage, high-sealing anti-loosening valve, comprising a body, the body including a valve seat 1 and an anti-loosening mechanism, a valve body 2 screwed onto the top of the valve seat 1, the valve seat 1 being a three-way pipe, and mounting nuts 4 screwed onto both ends of the bottom of the valve seat 1, the anti-loosening mechanism including a limiting sleeve 5 and an anti-loosening element 6, the anti-loosening element 6 being T-shaped, a first limiting groove 8 being formed inside the top of the anti-loosening element 6, the limiting sleeve 5 being symmetrically slidably disposed on the outer sides of both ends of the valve seat 1, and the limiting sleeve 5 being disposed on the bottom two ends of the anti-loosening element 6. On the outer side of the mounting female head 4, a fixing screw 7 is fixedly installed at the rear end of the anti-loosening component 6. An elastic rubber ring 13 is fixedly installed between the bottom two ends of the valve seat 1 and the mounting female head 4. The anti-loosening component 6 and the first limiting groove 8 can limit the valve body 2 to prevent the valve body 2 from becoming loose, thereby ensuring the exhaust capacity of the low leakage high sealing valve. The limiting sleeve 5 can limit the bottom end of the mounting female head 4 and the anti-loosening component 6, which can improve the stability of the mounting female head 4 and the anti-loosening component 6, prevent system pipeline leakage, and improve the practicality of the device.

[0022] In this embodiment, the valve body 2 has a valve core that is movably mounted inside by a spring. The valve core has an air passage inside, and the valve body 2 has an exhaust port 3 on its top. The air passage, the exhaust port 3, and the valve seat 1 are interconnected. The valve core, air passage, and exhaust port 3 can discharge leaked gas from the system pipeline, thus avoiding any impact on the system pipeline.

[0023] In this embodiment, the outer side of the bottom end of the valve body 2 is a regular hexagon. The bottom end of the valve body 2 is snapped into the inside of the first limiting groove 8. The front side of the anti-loosening member 6 is provided with an installation groove 14. The valve seat 1 is installed inside the installation groove 14. The mutual cooperation between the first limiting groove 8 and the valve body 2 facilitates the limiting of the valve body 2 and prevents the valve body 2 from loosening. The installation groove 14 facilitates the installation of the anti-loosening member 6 on the rear side of the valve seat 1.

[0024] In this embodiment, the outer shape of the limiting sleeve 5 is a regular hexagon. A second limiting groove 9 and a third limiting groove 10 are respectively provided at both ends of the limiting sleeve 5. The second limiting groove 9 is a regular hexagon. One end of the mounting head 4 is installed inside the second limiting groove 9. The third limiting groove 10 is a regular hexagon. The bottom two ends of the anti-loosening component 6 are installed inside the third limiting groove 10. A second spring 12 and a first spring 11 are respectively provided between the bottom two ends of the mounting head 4 and the anti-loosening component 6 and the inner wall of the limiting sleeve 5. The first spring 11 and the second spring 12 are both fitted onto the outer sides of both ends of the valve seat 1. The limiting sleeve 5 can be positioned on the outer side of the bottom ends of the mounting head 4 and the anti-loosening component 6 under the elastic force of the first spring 11 and the second spring 12, facilitating continuous limiting of the mounting head 4 and the anti-loosening component 6, and is unaffected by vibration, thus improving the stability of the low-leakage, high-sealing valve.

[0025] When using this anti-loosening low-leakage high-sealing valve, the mounting female head 4 is fixedly connected to the system pipeline. The valve seat 1 is installed between the mounting female heads 4 on both sides. The two limiting sleeves 5 are moved towards each other, and the mounting female head 4 is screwed onto the outer sides of the bottom two ends of the valve seat 1. At the same time, an elastic rubber ring 13 is set between the mounting female head 4 and the two ends of the valve seat 1. The elastic rubber ring 13 can seal between the mounting female head 4 and the valve seat 1. At the same time, the mounting female head 4 is rotated to adjust its position, and the two limiting sleeves 5 are moved to both sides and locked onto the outer side of the mounting female head 4. A limiting rod is fixedly set on the front side of the bottom end of the valve seat 1. The anti-loosening part 6 is installed on the rear side of the middle position of the valve seat 1 through the mounting groove 14, so that the bottom end of the valve body 2 is locked into the inside of the first limiting groove 8. The limiting rod can prevent loosening. The component 6 is used to limit the valve seat 1 to prevent it from rotating horizontally. At the same time, the limiting sleeve 5 moves to both sides and compresses the first spring 11 and the second spring 12, so that the valve seat 1 and the mounting groove 14 fit together. When the limiting sleeve 5 is released, under the elastic force of the first spring 11 and the second spring 12, its two ends block the outer sides of the mounting head 4 and the valve seat 1 respectively. This allows the limiting sleeve 5 to limit the mounting head 4 and the anti-loosening component 6, preventing system pipeline leakage caused by the loosening of the low-leakage high-sealing valve, and ensuring the exhaust capacity of the low-leakage high-sealing valve. The fixed screw 7 facilitates the fixing of the low-leakage high-sealing valve through the anti-loosening component 6, which can improve the stability of the low-leakage high-sealing valve. The main body is the low-leakage high-sealing valve in Chinese Utility Patent No. CN215721056U.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A low-leakage high-seal valve against loosening, comprising a body, characterized in that, The body includes a valve seat (1) and an anti-loosening mechanism, the top end of the valve seat (1) is screw-mounted with a valve body (2), the valve seat (1) is a three-way pipe, the bottom two ends of the valve seat (1) are screw-mounted with mounting female heads (4), the anti-loosening mechanism includes a limiting sleeve (5) and an anti-loosening piece (6), the anti-loosening piece (6) is shaped as a "T", a first limiting groove (8) is formed in the top end of the anti-loosening piece (6), the limiting sleeve (5) is symmetrically and slidingly arranged outside the two ends of the valve seat (1), the limiting sleeve (5) is arranged outside the bottom two ends of the anti-loosening piece (6) and the mounting female heads (4), a fixed screw rod (7) is fixedly arranged at the rear end of the anti-loosening piece (6), and elastic rubber rings (13) are fixedly arranged between the bottom two ends of the valve seat (1) and the mounting female heads (4).

2. The anti-looseness low-leakage high-sealing valve according to claim 1, characterized in that: A valve core is movably arranged in the valve body (2) through a spring, a gas passage is formed in the valve core, a gas outlet (3) is formed in the top of the valve body (2), and the gas passage, the gas outlet (3) and the valve seat (1) are in communication with each other.

3. The anti-loose low-leak high-seal valve according to claim 1, characterized in that: The bottom end of the valve body (2) is shaped as a regular hexagon, and the bottom end of the valve body (2) is clamped and mounted in the first limiting groove (8).

4. The anti-loose low-leak high-seal valve according to claim 3, characterized in that: An installation groove (14) is formed in the front side of the anti-loosening piece (6), and the valve seat (1) is installed in the installation groove (14).

5. The anti-loose low-leak high-seal valve according to claim 1, characterized in that: The limiting sleeve (5) is shaped as a regular hexagon, and a second limiting groove (9) and a third limiting groove (10) are respectively formed in the two ends of the limiting sleeve (5).

6. The anti-loose low-leak high-seal valve according to claim 5, characterized in that: The second limiting groove (9) is shaped as a regular hexagon, and one end of the mounting female head (4) is installed in the second limiting groove (9).

7. The anti-loose low-leak high-seal valve according to claim 6, characterized in that: The third limiting groove (10) is shaped as a regular hexagon, and the bottom two ends of the anti-loosening piece (6) are installed in the third limiting groove (10).

8. The anti-loose low-leak high-seal valve according to claim 7, characterized in that: Second springs (12) and first springs (11) are respectively arranged between the bottom two ends of the mounting female heads (4) and the anti-loosening piece (6) and the inner walls of the limiting sleeve (5), and the first springs (11) and the second springs (12) are both sleeved outside the two ends of the valve seat (1).

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