CN218326350U - A fireproof and antistatic ball valve - Google Patents

Abstract

The utility model discloses a fireproof and antistatic ball valve. A fireproof and antistatic ball valve comprises a valve body. A through hole is opened on the valve body. The core is fixedly connected with the valve stem, and one end of the valve stem is fixedly equipped with a handle. The first groove is symmetrically opened inside the valve body, and the two sets of first grooves are respectively equipped with a fireproof component inside, and the lower end of the valve body is equipped with an anti-static Assemblies, one end of the valve body is fixedly connected to the valve cover through bolts, the utility model is fixedly installed on the bottom of the second blind hole through one end of the second compression spring, and the ball is rotatably installed inside the second blind hole and connected with the other of the compression spring One end is in conflict, and the lower end of the spool is provided with a second groove corresponding to the ball. The ball is rotatably installed inside the second groove, and the static electricity accumulated on the spool will pass through the ball in contact with it. The valve body is exported to prevent pipeline explosion accidents after static electricity accumulation.

Description

A fireproof and antistatic ball valve

technical field

The utility model relates to the technical field of ball valves, in particular to a fireproof and antistatic ball valve.

Background technique

The ball valve has the advantages of small fluid resistance, compact structure, reliable sealing, convenient operation, and simple maintenance, so it is widely used in petroleum, chemical industry, power generation, aviation and water heating, etc., especially the manual ball valve directly connected to the pipeline at present. It is composed of valve body, valve cover, valve seat, ball valve core, valve stem and handle, etc. Due to its simple design and easy operation, it has become the most common type of valve in daily life;

When the ball valve is switched on and off, there will be friction between the ball valve core and the valve seat to generate static electricity, so that the ball valve used on flammable and explosive gases or liquids will have the risk of pipeline explosion accidents, and when the explosion occurs, High temperature will melt the sealing ring in the ball valve, causing leakage and increasing the fire, causing more serious consequences. Therefore, we need to propose a fireproof and antistatic ball valve.

Utility model content

The purpose of this utility model is to provide a fire-proof and anti-static ball valve, which can effectively prevent leakage and prevent the fire from increasing by solving the problem of installing a fire-proof component in the valve body. The static electricity generated by the switch is exported to avoid explosion, which is the problem raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fire-proof and anti-static ball valve, including a valve body, a through hole is opened on the valve body, a valve stem is inserted into the through hole, and the valve body A valve core is arranged inside, and the valve core is fixedly connected with the valve stem. One end of the valve stem is fixedly equipped with a handle. The inside of the valve body is symmetrically provided with first grooves, and two groups of the first grooves The inside of the tank is respectively provided with a fireproof assembly, the lower end of the valve body is provided with an antistatic assembly, one end of the valve body is fixedly connected with a valve cover by bolts, one end of the valve body is provided with a water outlet, and the valve cover There is a water inlet at one end.

Preferably, a first through groove is opened inside the through hole, and a sealing ring is fixedly installed inside the first through groove.

Preferably, the inside of the through hole is located above the first through groove to open a second through groove, the inside of the second through groove is fixedly installed with a sealed bearing, and the valve stem passes through the sealed bearing and the sealed bearing in turn. The ring is fixedly connected with the valve core.

Preferably, the two sets of fire protection components include a sealing seat, a sealing gasket and several sets of first compression springs, the sealing gasket is fixedly installed on one end of the sealing seat, the sealing gasket is attached to the valve core, and several One end of the set of first compression springs is respectively fixedly installed on the other end of the sealing seat.

Preferably, several sets of first blind holes are opened inside the two sets of first grooves, and the other ends of the several sets of first compression springs are respectively fixedly mounted on the bottoms of the several sets of first blind holes.

Preferably, the antistatic assembly includes a second compression spring and a ball, the lower end of the valve body is provided with a second blind hole, and one end of the second compression spring is fixedly installed on the bottom of the second blind hole, so The ball is rotatably installed inside the second blind hole and interferes with the other end of the second compression spring.

Preferably, the lower end of the valve core is provided with a second groove corresponding to the ball, and the ball is rotatably mounted inside the second groove.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model is provided with a second blind hole at the lower end of the valve body, one end of the second compression spring is fixedly installed at the bottom of the second blind hole, and the ball is rotatably installed inside the second blind hole and connected with the other end of the compression spring. One end is in conflict, and the lower end of the spool is provided with a second groove corresponding to the ball. The ball is rotatably installed inside the second groove, and the static electricity accumulated on the spool will pass through the ball in contact with it. The valve body is exported to prevent pipeline explosion accidents after static electricity accumulation.

2. In the utility model, a first blind hole is opened on the first groove. One end of the first compression spring is fixedly installed on the bottom of the first blind hole, and the other end is fixedly connected with the sealing seat, and the sealing seat is fixedly installed with a Sealing pad, the design of the sealing pad and the valve core fit, when a fire occurs and the sealing pad is burned out by the fire, the first compression spring can push the sealing seat outward so that the sealing seat and the valve core fit together to form a temporary sealing effect , in order to prevent large-scale leakage of flammable substances, resulting in increased fire situation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is the structural representation of place A in Fig. 2 of the utility model;

Fig. 4 is a schematic diagram of the structure at B in Fig. 2 of the present utility model.

In the figure: 1. Valve body; 2. Through hole; 3. Valve stem; 4. Valve core; 5. Handle; 6. First groove; 7. Fireproof component; 8. Antistatic component; 9. Bonnet; 10. Water outlet; 11. Water inlet; 12. First channel; 13. Seal ring; 14. Second channel; 15. Sealed bearing; 16. Seal seat; 17. Gasket; 18. First compression spring ; 19, the first blind hole; 20, the second compression spring; 21, the ball; 22, the second blind hole; 23, the second groove.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a fireproof and antistatic ball valve, including a valve body 1, a through hole 2 is opened on the valve body 1, and a valve stem 3 is inserted in the through hole 2, through which The inside of the hole 2 is provided with a first through groove 12, the inside of the first through groove 12 is fixedly installed with a sealing ring 13, and the inside of the through hole 2 is located above the first through groove 12 and is provided with a second through groove 14. A sealed bearing 15 is fixedly installed inside the groove 14, and the valve stem 3 passes through the sealed bearing 15 and the sealing ring 13 to be fixedly connected with the valve core 4. Through the above design, the sealing performance of the ball valve can be effectively improved, and the medium is prevented from flowing from the through hole 2 to the valve core 4. Outflow, and the sealed bearing 15 makes the valve stem 3 rotate more smoothly, saving the physical strength when switching the ball valve.

The inside of the valve body 1 is provided with a valve core 4, the valve core 4 is fixedly connected with the valve stem 3, and one end of the valve stem 3 is fixedly installed with a handle 5, turning the handle 5 makes the valve stem 3 drive the valve core 4 to rotate to achieve the purpose of switching the ball valve , the installation of handle 5 makes the switch ball valve more time-saving and labor-saving.

The inside of the valve body 1 is symmetrically provided with first grooves 6, and the insides of two groups of first grooves 6 are respectively provided with fireproof components 7, and the two groups of fireproof components 7 include sealing seats 16, gaskets 17 and several groups of first compression springs 18. The sealing gasket 17 is fixedly installed on one end of the sealing seat 16, the sealing gasket 17 is attached to the valve core 4, one end of several groups of first compression springs 18 is fixedly installed on the other end of the sealing seat 16 respectively, and the two groups of first grooves Several sets of first blind holes 19 are opened in the interior of the opening 6, and the other ends of several sets of first compression springs 18 are respectively fixedly mounted on the bottoms of several sets of first blind holes 19. Through the above design, when a fire occurs and the gasket 17 is burned out by the fire, several sets of first compression springs 18 will push the sealing seat 16 outwards to fit the valve core 4, forming a temporary sealing effect to prevent the occurrence of flammable substances. A large area leak caused the fire to grow.

The lower end of the valve body 1 is provided with an antistatic assembly 8, the antistatic assembly 8 includes a second compression spring 20 and a ball 21, and the lower end of the valve body 1 is provided with a second blind hole 22, and the second blind hole 22 is located at the rotating position of the valve stem 3. On the axis, one end of the second compression spring 20 is fixedly installed on the bottom of the second blind hole 22, the ball 21 is rotatably installed inside the second blind hole 22 and interferes with the other end of the second compression spring 20, and the lower end of the spool 4 There is a second groove 23 corresponding to the ball 21, and the ball 21 is rotatably installed inside the second groove 23. Through the above design, the thrust of the second compression spring 20 makes the ball 21 contact with the valve core 4, and the accumulation in the The static electricity on the valve core 4 is exported to the valve body 1 through the ball 21 and the second compression spring 20, so as to avoid pipeline explosion accidents after the accumulation of static electricity, and the second groove 23 can effectively limit the position of the ball 21, so that the ball 21 can always be in contact with the valve body. Spool 4 contacts, improve the success rate of anti-static.

One end of the valve body 1 is fixedly connected with a valve cover 9 by bolts to facilitate the disassembly and maintenance of the ball valve. One end of the valve body 1 is provided with a water outlet 10, and one end of the valve cover 9 is provided with a water inlet 11, a water inlet 11 and a water outlet 10. The flange is fixedly installed on the top, which is convenient for connection and disassembly with the pipeline.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a fire prevention antistatic ball valve, includes valve body (1), its characterized in that: the anti-static valve is characterized in that a through hole (2) is formed in the valve body (1), a valve rod (3) is inserted into the through hole (2), a valve core (4) is arranged inside the valve body (1), the valve core (4) is fixedly connected with the valve rod (3), a handle (5) is fixedly mounted at one end of the valve rod (3), first grooves (6) and two groups of fireproof assemblies (7) are symmetrically formed in the valve body (1), the lower end of the valve body (1) is provided with an anti-static assembly (8), one end of the valve body (1) is fixedly connected with a valve cover (9) through bolts, a water outlet (10) is formed in one end of the valve body (1), and a water inlet (11) is formed in one end of the valve cover (9).

2. A fire and static electricity preventing ball valve according to claim 1, wherein: a first through groove (12) is formed in the through hole (2), and a sealing ring (13) is fixedly mounted inside the first through groove (12).

3. A fire and static electricity preventing ball valve according to claim 1, wherein: a second through groove (14) is formed in the through hole (2) and located above the first through groove (12), a sealing bearing (15) is fixedly mounted inside the second through groove (14), and the valve rod (3) sequentially penetrates through the sealing bearing (15) and the sealing ring (13) to be fixedly connected with the valve core (4).

4. A fire and static electricity preventing ball valve according to claim 1, wherein: two sets of fire prevention subassembly (7) are including seal receptacle (16), sealed pad (17) and a plurality of first compression spring (18) of group, sealed pad (17) fixed mounting in the one end of seal receptacle (16), sealed pad (17) with valve core (4) laminating, a plurality of groups the one end of first compression spring (18) respectively fixed mounting in the other end of seal receptacle (16).

5. A fire and static electricity prevention ball valve according to claim 4, characterized in that: a plurality of groups of first blind holes (19) are formed in the two groups of first grooves (6), and the other ends of the plurality of groups of first compression springs (18) are fixedly arranged at the bottoms of the plurality of groups of first blind holes (19) respectively.

6. A fire and static electricity preventing ball valve according to claim 1, wherein: prevent static subassembly (8) and include second compression spring (20) and ball (21), second blind hole (22) have been seted up to the lower extreme of valve body (1), the one end fixed mounting of second compression spring (20) with the bottom of second blind hole (22), ball (21) rotate install in the inside of second blind hole (22) and with the other end of second compression spring (20) is contradicted.

7. A fire and static electricity prevention ball valve according to claim 6, characterized in that: the lower end of the valve core (4) is provided with a second groove (23) corresponding to the ball (21), and the ball (21) is rotatably arranged in the second groove (23).

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