CN217177487U

CN217177487U - Sealed effectual lining fluorine ball valve

Info

Publication number: CN217177487U
Application number: CN202220297365.5U
Authority: CN
Inventors: 马俊
Original assignee: Jiangsu Ruichuang Valve Industry Co ltd
Current assignee: Jiangsu Ruichuang Valve Industry Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-12
Anticipated expiration: 2032-02-15

Abstract

The utility model relates to a lining fluorine ball valve technical field specifically is a sealed effectual lining fluorine ball valve, include: the valve body comprises a shell, wherein a spherical opening and closing piece is arranged on the inner side of the shell, a circulation port is formed in the inner side of the spherical opening and closing piece, and a fluorine lining layer is fixedly connected to the inner wall of the shell; and the sealing mechanism comprises a first sealing ring which is fixedly connected to the surface of the fluorine lining layer. The utility model discloses when the rotary valve rod makes the ball valve closed, first sealing washer and second sealing washer are the rubber material and can seal the junction to lining fluorine layer and spherical opening and closing piece, sealed piece has elastic property simultaneously, can block in the inboard of seal groove, receive the extrusion when the second gasbag and make gas to enter into to the inboard of first gasbag through the second connecting pipe, sealed piece is laminated more with the inner wall of seal groove under the effect of first gasbag outer wall, can reach better sealed effect, can effectively avoid the medium to take place to leak.

Description

Sealed effectual lining fluorine ball valve

Technical Field

The utility model relates to a lining fluorine ball valve technical field specifically is a sealed effectual lining fluorine ball valve.

Background

The fluorine lining ball valve uses the ball body with circular through hole as ball-shaped opening and closing member, the ball body rotates around the valve body central line along with the valve rod to implement valve opening and closing, and adopts special mould pressing process to make sealing surface compact and good, and the combined V-shaped PTFE filler can make valve reach zero leakage, and the ball body and valve rod are cast into one body, so that it can prevent the possibility of valve rod being flushed out of pressure-bearing member due to pressure change, and can ensure safety in use.

Among the prior art, drive the spheroid through the rotating valve rod and rotate, can realize opening and closing of ball valve, but in long-term use, because spheroid and ball valve casing produce the friction and can lead to the loss for the leakproofness variation of ball valve produces the phenomenon of leaking easily, therefore need urgently to design a lining fluorine ball valve that sealed effectual to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual lining fluorine ball valve to solve the long-term use in that proposes among the above-mentioned background art, because spheroid and ball valve casing produce the friction and can lead to the loss, make the leakproofness variation of ball valve, produce the problem of the phenomenon of leaking easily.

In order to achieve the above purpose, the utility model provides the following technical proposal,

a fluorine lined ball valve with good sealing effect comprises:

the valve body comprises a shell, wherein a spherical opening and closing piece is arranged on the inner side of the shell, a circulation port is formed in the inner side of the spherical opening and closing piece, and a fluorine lining layer is fixedly connected to the inner wall of the shell;

sealing mechanism, including first sealing washer, first sealing washer fixed connection is on the surface of lining fluorine layer, the seal groove has been seted up to the inboard of first sealing washer, the fixed surface of spherical opening and closing piece is connected with the second sealing washer, the inboard of second sealing washer is provided with sealed piece, the inner wall fixedly connected with connecting block of sealed piece, the first connecting pipe of the one end fixedly connected with of keeping away from sealed piece of connecting block, the fixed surface of first connecting pipe is connected with first gasbag, the one end fixedly connected with second connecting pipe of connecting block is kept away from to first connecting pipe, the one end fixedly connected with second gasbag of first connecting pipe is kept away from to the second connecting pipe.

Preferably, the first sealing ring is fixedly connected to the surface of the fluorine lining layer by a rubber material, and the sealing groove is formed in the inner side of the groove-shaped first sealing ring.

Preferably, the second sealing ring is fixedly connected to the surface of the spherical opening and closing member by a rubber material, and the sealing block is arranged on the inner side of the second sealing ring in a block shape.

Preferably, the first connecting pipes are fixedly connected to the surfaces of the connecting blocks in a tubular shape, and the first air bags are fixedly connected to the surfaces of the first connecting pipes in two groups.

Preferably, the inboard of casing is provided with filtering mechanism, filtering mechanism includes the fixed block, fixed block fixed connection is at the inner wall of casing, the internal surface block of fixed block is connected with the filter screen, the sealed pad of top fixedly connected with of filter screen, the sealed top fixedly connected with pull rod that fills up, the activity groove has been seted up to the inboard of casing, the inner wall fixedly connected with spring in activity groove, the one end fixedly connected with inserted bar in activity groove is kept away from to the spring, the slot has been seted up on the surface of pull rod.

Preferably, the movable grooves are arranged on the inner side of the shell in two groups, and the springs are correspondingly connected with the movable grooves in two groups.

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

1. when the ball valve is closed by rotating the valve rod, the first sealing ring and the second sealing ring are made of rubber materials and can seal the joint of the fluorine lining and the spherical opening and closing piece, the sealing block has elastic properties, the clamping can be carried out on the inner side of the sealing groove, the second air bag is extruded to enable gas to enter the inner side of the first air bag through the second connecting pipe, the sealing block is more attached to the inner wall of the outer wall and the inner wall of the sealing groove under the action of the first air bag, a better sealing effect can be achieved, leakage of a medium can be effectively avoided, and the ball valve is very practical.

2. With the filter screen block at the internal surface of fixed block, the filter screen can filter the medium, realizes carrying out the separation to impurity, inserts through inserted bar and slot and closes and be convenient for install the filter screen fixedly, also conveniently dismantles the filter screen simultaneously, is convenient for wash and change the filter screen, easy operation.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic side cross-sectional view of the structure of the fluorine-lined layer and the spherical closure of the present invention;

FIG. 3 is a schematic side view and sectional view of the structure of a sealing groove and a sealing block of the present invention;

fig. 4 is an enlarged schematic structural view of a in fig. 1 according to the present invention.

In the figure: 1. a housing; 11. a spherical opening and closing member; 12. a flow port; 13. a fluorine lining layer; 2. a first seal ring; 21. a sealing groove; 22. a second seal ring; 23. a sealing block; 24. connecting blocks; 25. a first connecting pipe; 26. a first air bag; 27. a second connecting pipe; 28. a second air bag; 3. a fixed block; 31. a filter screen; 32. a gasket; 33. a pull rod; 34. a movable groove; 35. a spring; 36. inserting a rod; 37. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a fluorine lined ball valve with good sealing effect comprises:

the valve body comprises a shell 1, wherein a spherical opening and closing piece 11 is arranged on the inner side of the shell 1, a flow port 12 is formed in the inner side of the spherical opening and closing piece 11, a fluorine lining layer 13 is fixedly connected to the inner wall of the shell 1, the flow port 12 is formed in the inner side of the spherical opening and closing piece 11, and the fluorine lining can be opened and closed by rotating a valve rod, so that a medium can flow in the inner side of the flow port 12 conveniently, and the medium can be blocked by the spherical opening and closing piece 11;

the sealing mechanism comprises a first sealing ring 2, the first sealing ring 2 is fixedly connected on the surface of a fluorine lining layer 13, a sealing groove 21 is formed in the inner side of the first sealing ring 2, a second sealing ring 22 is fixedly connected on the surface of a spherical opening and closing part 11, a sealing block 23 is arranged on the inner side of the second sealing ring 22, a connecting block 24 is fixedly connected on the inner wall of the sealing block 23, a first connecting pipe 25 is fixedly connected at one end of the connecting block 24, which is far away from the sealing block 23, a first air bag 26 is fixedly connected on the surface of the first connecting pipe 25, a second connecting pipe 27 is fixedly connected at one end of the first connecting pipe 25, which is far away from the connecting block 24, a second air bag 28 is fixedly connected at one end of the second connecting pipe 27, which is far away from the first connecting pipe 25, and the second connecting pipe 27 is fixedly connected on the surface of the second air bag 28, when the second air bag 28 is pressed, the gas is facilitated to enter the inside of the first connection pipe 25 through the second connection pipe 27.

Further, first sealing washer 2 is rubber material fixed connection and is being lined with the surface of fluorine layer 13, and seal groove 21 is the inboard of the first sealing washer 2 that the recess form was seted up, and first sealing washer 2 fixed connection can play sealed effect when lining fluorine ball is closed on the surface of lining fluorine layer 13, can avoid the medium to leak.

Further, second sealing washer 22 is rubber material fixed connection on the surface of spherical opening and closing member 11, and sealed piece 23 is the cubic inboard that sets up at second sealing washer 22, and sealed piece 23 sets up the inboard at second sealing washer 22, carries out the block through second sealing washer 22 and sealed piece 23, and sealed effect is better.

Further, first connecting pipe 25 is tubulose fixed connection on the surface of connecting block 24, and first gasbag 26 is two sets of fixed connection on the surface of first connecting pipe 25, and first gasbag 26 fixed connection is on the surface of first connecting pipe 25, and when gaseous inboard that enters into first gasbag 26, the outer wall that can make sealed piece 23 under the effect of first gasbag 26 and the inner wall of seal groove 21 are laminated more, can reach better sealed effect.

Further, the inboard of casing 1 is provided with filtering mechanism, filtering mechanism includes

fixed block

3, 3 fixed connection of fixed block are at the inner wall of casing 1, the internal surface block of fixed block 3 is connected with filter screen 31, the sealed pad 32 of top fixedly connected with of filter screen 31, the top fixedly connected with pull rod 33 of sealed pad 32, movable groove 34 has been seted up to casing 1's inboard, the inner wall fixedly connected with spring 35 of movable groove 34, the one end fixedly connected with inserted bar 36 of movable groove 34 is kept away from to spring 35, slot 37 has been seted up on the surface of pull rod 33, the internal surface at fixed block 3 of filter screen 31 block, can filter the impurity in the medium.

Furthermore, activity groove 34 is two sets of setings up in the inboard of casing 1, and spring 35 is two sets of and corresponds with activity groove 34 and connects, and spring 35 fixed connection can play the effect that resets to inserted bar 36 at the inner wall of activity groove 34.

The working principle is as follows: during the use, make spherical opening and closing member 11 rotatory close the ball valve through the rotating valve rod, first sealing washer 2 and second sealing washer 22 are connected respectively and can play sealed effect at lining fluorine layer 13 and spherical opening and closing member 11's surface, sealed piece 23 can the block in the inboard of seal groove 21 under the effect of elastic property, when second gasbag 28 receives the extrusion, the inboard gas of second gasbag 28 can enter into the inboard of first connecting pipe 25 through second connecting pipe 27, rethread first connecting pipe 25 enters into the inboard of first gasbag 26, sealed piece 23 takes place the expansion under the effect of first gasbag 26 and can laminate with the inner wall of seal groove 21 more, reach better sealed effect.

Through promoting inserted bar 36, make inserted bar 36 move about to the inboard of activity groove 34, spring 35 is the shrink state this moment, then insert filter screen 31 to casing 1's inboard, make filter screen 31 block in the inboard of fixed block 3, loosen inserted bar 36 at last, inserted bar 36 resets under spring 35's effect, it closes to realize that inserted bar 36 and slot 37 insert, the completion is fixed filter screen 31, when the medium flows, filter screen 31 filters impurity, and is comparatively practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed effectual lining fluorine ball valve which characterized in that includes:

the valve body comprises a shell (1), wherein a spherical opening and closing piece (11) is arranged on the inner side of the shell (1), a circulation port (12) is formed in the inner side of the spherical opening and closing piece (11), and a fluorine lining layer (13) is fixedly connected to the inner wall of the shell (1);

the sealing mechanism comprises a first sealing ring (2), the first sealing ring (2) is fixedly connected to the surface of the fluorine lining layer (13), a sealing groove (21) is formed in the inner side of the first sealing ring (2), a second sealing ring (22) is fixedly connected to the surface of the spherical opening and closing piece (11), a sealing block (23) is arranged on the inner side of the second sealing ring (22), the inner wall of the sealing block (23) is fixedly connected with a connecting block (24), one end of the connecting block (24) far away from the sealing block (23) is fixedly connected with a first connecting pipe (25), a first air bag (26) is fixedly connected to the surface of the first connecting pipe (25), one end of the first connecting pipe (25) far away from the connecting block (24) is fixedly connected with a second connecting pipe (27), one end of the second connecting pipe (27) far away from the first connecting pipe (25) is fixedly connected with a second air bag (28).

2. The fluorine-lined ball valve with good sealing effect as claimed in claim 1, wherein: first sealing washer (2) are rubber material fixed connection on the surface of lining fluorine layer (13), seal groove (21) are the inboard of the first sealing washer (2) that the recess form was seted up.

3. The fluorine-lined ball valve with good sealing effect as claimed in claim 1, wherein: the second sealing ring (22) is fixedly connected to the surface of the spherical opening and closing piece (11) through rubber materials, and the sealing block (23) is arranged on the inner side of the second sealing ring (22) in a block shape.

4. The fluorine-lined ball valve with good sealing effect as claimed in claim 1, wherein: the first connecting pipes (25) are fixedly connected to the surfaces of the connecting blocks (24) in a tubular shape, and the first air bags (26) are fixedly connected to the surfaces of the first connecting pipes (25) in two groups.

5. The fluorine-lined ball valve with good sealing effect as claimed in claim 1, wherein: the inboard of casing (1) is provided with filtering mechanism, filtering mechanism includes fixed block (3), fixed block (3) fixed connection is at the inner wall of casing (1), the internal surface block of fixed block (3) is connected with filter screen (31), the sealed pad (32) of top fixedly connected with of filter screen (31), the top fixedly connected with pull rod (33) of sealed pad (32), movable groove (34) have been seted up to the inboard of casing (1), the inner wall fixedly connected with spring (35) of movable groove (34), the one end fixedly connected with inserted bar (36) of movable groove (34) are kept away from in spring (35), slot (37) have been seted up on the surface of pull rod (33).

6. The fluorine-lined ball valve with good sealing effect as claimed in claim 5, wherein: the movable grooves (34) are arranged on the inner side of the shell (1) in two groups, and the springs (35) are correspondingly connected with the movable grooves (34) in two groups.