CN214579024U

CN214579024U - Fire prevention fixed ball disk seat

Info

Publication number: CN214579024U
Application number: CN202120821865.XU
Authority: CN
Inventors: 周金还
Original assignee: Wenzhou Shende Valve Accessories Co ltd
Current assignee: Wenzhou Shende Valve Accessories Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-02
Anticipated expiration: 2031-04-21

Abstract

The utility model belongs to the technical field of ball valves, in particular to a fireproof fixed ball valve seat, aiming at the problems of short service life, poor sealing performance and complex mounting and dismounting operations of the prior fixed ball valve seat, the utility model provides a proposal that comprises a valve body, a valve seat is arranged in the valve body, the valve seat is provided with an arc part, one side of the valve seat is provided with a first annular groove, a first sealing component for improving the sealing performance is arranged in the first annular groove, a second sealing component for improving the fitting degree of the valve seat and the valve body is arranged on the valve seat and the valve body, and a fixing component for fixing the valve seat is arranged on the valve seat and the valve body, in the utility model, the fixed ball valve seat is extruded and fitted through a sealing gasket and the surface of a sealed ball body, the sealing performance of the ball valve is improved, the sealing gasket improves the sealing performance between the valve seat and the valve body, and the mounting and dismounting operations are rapid, and convenience is brought to maintenance of the ball valve.

Description

Fire prevention fixed ball disk seat

Technical Field

The utility model relates to a ball valve technical field especially relates to a fire prevention fixing ball disk seat.

Background

The ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve has strong shearing force with a valve seat of the build-up welding hard alloy, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The ball valve seat has the effect of improving the sealing performance of the valve body in the ball valve, and the valve seat is a quick-wear part and needs to be replaced in time when the sealing performance of the ball valve is poor.

The service life of the existing fixed ball valve seat is short, the sealing performance is poor, long-time abrasion can lead to the fact that the ball body cannot be attached to the valve seat, therefore, the sealing performance of the ball valve is reduced, the installation and disassembly operation is complex, and inconvenience is brought to the maintenance of the ball valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art fixed ball disk seat and having life weak point, the not good and installation of sealing performance and dismantlement complex operation's shortcoming, and the fixed ball disk seat of preventing fires that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fire prevention fixed ball disk seat, includes the valve body, be provided with the disk seat in the valve body, the disk seat is provided with camber portion, first annular groove has been seted up to one side of disk seat, be provided with the first seal assembly who improves sealing performance in the first annular groove, be provided with the second seal assembly who improves disk seat and valve body laminating degree on disk seat and the valve body, be provided with the fixed subassembly that goes on fixing the disk seat on disk seat and the valve body.

Preferably, the first sealing assembly comprises a sliding ring which is slidably connected with the inner wall of the first annular groove, a sealing gasket is fixedly connected with one side of the sliding ring, and a plurality of second springs which are distributed in an annular shape are fixedly connected with the inner wall of one side of the first annular groove and one side of the sliding ring.

Preferably, the second sealing assembly comprises a second annular groove formed in one side, close to the valve body, of the valve seat, a sealing ring is fixedly connected to the inner wall of the second annular groove, and an annular clamping groove matched with the sealing ring for use is formed in the inner wall of one side of the valve body.

Preferably, the valve seat is far away from the one side outer wall fixedly connected with poker rod of valve body, the length of poker rod is 1 cm.

Preferably, the disk seat is close to valve body one side annular connection and has a plurality of fixture blocks, the interior wall annular of valve body has seted up a plurality of oblique draw-in grooves that use with the fixture block cooperation, the disk seat is close to valve body one side annular and has seted up a plurality of circular recesses, the first spring of inner wall fixedly connected with of circular recess, the one end fixedly connected with of first spring and circular recess sliding connection's card ball, the circular recess that uses with the cooperation of card ball is seted up to the annular on the valve body.

Preferably, the sealing ring is an elastic rubber ring, and one side of the sealing ring protrudes out of the outer side of the second annular groove.

When the valve seat needs to be installed, one side, provided with the clamping blocks, of the valve seat is attached to the inner wall of the valve body, the sealing ring is clamped into the annular clamping groove, the sealing performance between the valve seat and the valve body is improved, after the sealing ring is clamped into the annular clamping groove, the valve seat is rotated by clockwise pressing the poking rod, the clamping blocks on the valve seat are obliquely clamped into the oblique clamping groove, after the valve seat rotates to a certain angle, the clamping balls are overlapped with the circular grooves on the valve seat, the clamping balls slide under the elastic force of the first spring and are clamped into the circular grooves, the valve seat is fixed, installation is completed at the moment, when the ball valve is sealed, the outer side of the ball body is attached to the arc portion, the sealing gasket is attached to the surface of the sealing ball body in an extrusion mode, and the sealing performance of the valve body is improved.

The utility model discloses in, this fixed ball disk seat has improved the sealing performance of ball valve through sealed the pad and the laminating of sealed spheroid surface extrusion, and the sealing washer improves the leakproofness between disk seat and the valve body, and installs and dismantle the operation swiftly, offers convenience for the maintenance of ball valve.

Drawings

Fig. 1 is a schematic view of a mounted structure of a fire-proof fixed ball valve seat according to the present invention;

fig. 2 is a schematic view of a partial front view structure of a fire-proof fixed ball valve seat according to the present invention;

fig. 3 is a schematic view of a partial front sectional view of a fire-proof fixed ball valve seat according to the present invention;

fig. 4 is a schematic view of a partial rear view structure of a fire-proof fixed ball valve seat according to the present invention;

fig. 5 is a schematic view of a main view structure of a valve body of a fire-proof fixed ball valve seat according to the present invention;

fig. 6 is the utility model provides a three-dimensional structure schematic diagram of the fixture block of fire prevention fixed ball disk seat.

In the figure: 1. a valve seat; 2. a valve body; 3. an arc portion; 4. a first annular groove; 5. a slip ring; 6. a gasket; 7. a poke rod; 8. a second annular groove; 9. a seal ring; 10. a circular groove; 11. a clamping block; 12. an annular neck; 13. an oblique clamping groove; 14. a circular groove; 15. a first spring; 16. blocking the ball; 17. a second spring.

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.

Example one

Referring to fig. 1-6, a fire prevention fixed ball valve seat comprises a valve body 2, a valve seat 1 is arranged in the valve body 2, the valve seat 1 is provided with an arc portion 3, a first annular groove 4 is formed in one side of the valve seat 1, a first sealing assembly for improving sealing performance is arranged in the first annular groove 4, second sealing assemblies for improving the attaching degree of the valve seat 1 and the valve body 2 are arranged on the valve seat 1 and the valve body 2, and a fixing assembly for fixing the valve seat 1 is arranged on the valve seat 1 and the valve body 2.

Example two

The embodiment is improved on the basis of the first embodiment: first seal assembly includes the inner wall sliding connection's of first annular groove 4 slip ring 5, one side fixedly connected with of slip ring 5 seals up 6, the second spring 17 that a plurality of annular distributions of one side inner wall of one side of first annular groove 4 and one side fixedly connected with of slip ring 5, second seal assembly includes that disk seat 1 is close to the second annular groove 8 that one side of valve body 2 was seted up, the inner wall fixedly connected with sealing washer 9 of second annular groove 8, one side inner wall of valve body 2 is seted up and is used with the sealing washer 9 cooperation annular groove 12.

EXAMPLE III

The embodiment is improved on the basis of the first embodiment: disk seat 1 keeps away from one side outer wall fixedly connected with poker rod 7 of valve body 2, the length of poker rod 7 is 1cm, disk seat 1 is close to valve body 2 one side annular connection and has a plurality of fixture blocks 11, the interior wall annular of valve body 2 has seted up a plurality of oblique draw-in grooves 13 that use with the fixture block 11 cooperation, disk seat 1 is close to valve body 2 one side annular and has seted up a plurality of circular recess 14, the first spring 15 of the inner wall fixedly connected with of circular recess 14, the one end fixedly connected with of first spring 15 and circular recess 14 sliding connection's card ball 16, the circular recess 10 that uses with the cooperation of card ball 16 is seted up to the annular on the valve body 2, sealing washer 9 is the elastic rubber circle, the outstanding second annular recess 8's of one side of sealing washer 9 outside.

The working principle is as follows: when the valve seat 1 needs to be installed, one side of the valve seat 1 with the clamping block 11 is attached to the inner wall of the valve body 2, the sealing ring 9 is clamped into the annular clamping groove 12, the sealing performance between the valve seat 1 and the valve body 2 is improved, after the sealing ring 9 is clamped into the annular clamping groove 12, the valve seat 1 is pressed and rotated clockwise through the poking rod 7, the clamping block 11 on the valve seat 1 is obliquely clamped into the oblique clamping groove 13, after the valve seat 1 rotates to a certain angle, the clamping ball 16 is overlapped with the circular groove 10 on the valve seat 1, the clamping ball 16 slides under the elastic force of the first spring 15 and is clamped into the circular groove 10 to fix the valve seat 1, at the moment, the installation is completed, when the ball valve is sealed, the outer side of the ball body is attached to the radian part 3, the sliding ring 5 slides under the elastic force of the second spring 17, the sliding ring 5 slides to drive the sealing gasket 6 to move, and the sealing gasket 6 is extruded and attached to the surface of the sealing ball body through the movement of the sealing gasket 6, the sealing performance of the valve body 2 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire prevention fixed ball disk seat, includes valve body (2), its characterized in that, be provided with disk seat (1) in valve body (2), disk seat (1) is provided with camber portion (3), first annular groove (4) have been seted up to one side of disk seat (1), be provided with the first seal assembly who improves sealing performance in first annular groove (4), be provided with the second seal assembly who improves disk seat (1) and valve body (2) laminating degree on disk seat (1) and valve body (2), be provided with the fixed subassembly that goes on fixing disk seat (1) on disk seat (1) and valve body (2).

2. A fire-resistant standing ball valve seat according to claim 1, wherein the first sealing assembly comprises a sliding ring (5) slidably connected with an inner wall of the first annular groove (4), a sealing gasket (6) is fixedly connected with one side of the sliding ring (5), and a plurality of second springs (17) distributed in an annular shape are fixedly connected with one side of the inner wall of the first annular groove (4) and one side of the sliding ring (5).

3. The fireproof fixing ball valve seat according to claim 1, wherein the second sealing assembly comprises a second annular groove (8) formed in one side of the valve seat (1) close to the valve body (2), a sealing ring (9) is fixedly connected to the inner wall of the second annular groove (8), and an annular clamping groove (12) matched with the sealing ring (9) is formed in the inner wall of one side of the valve body (2).

4. A fire-proof fixed ball valve seat according to claim 1, characterized in that the outer wall of the valve seat (1) far away from the valve body (2) is fixedly connected with a poke rod (7), and the length of the poke rod (7) is 1 cm.

5. The fireproof fixing ball valve seat according to claim 1, wherein a plurality of clamping blocks (11) are annularly connected to one side of the valve seat (1) close to the valve body (2), a plurality of inclined clamping grooves (13) matched with the clamping blocks (11) are annularly formed in the inner wall of the valve body (2), a plurality of circular grooves (14) are annularly formed in one side of the valve seat (1) close to the valve body (2), a first spring (15) is fixedly connected to the inner wall of each circular groove (14), a clamping ball (16) slidably connected with each circular groove (14) is fixedly connected to one end of each first spring (15), and a circular groove (10) matched with the clamping ball (16) is annularly formed in the valve body (2).

6. A fire resistant retainer ball valve seat in accordance with claim 3, wherein the sealing ring (9) is an elastic rubber ring, one side of the sealing ring (9) protruding outside the second annular groove (8).