CN212480177U

CN212480177U - Double-valve-clack guide rail sealing stop valve

Info

Publication number: CN212480177U
Application number: CN202021909937.8U
Authority: CN
Inventors: 黄振宗; 黄宇航; 蔡振国; 黄明红; 陈声垣; 陈信阳; 黄金标; 黄文意
Original assignee: Shuangheng Valve Group Co ltd
Current assignee: Shuangheng Valve Group Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-02-05
Anticipated expiration: 2030-09-04

Abstract

The utility model provides a double-valve guide rail sealing stop valve, which belongs to the technical field of stop valves and comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a valve body, the inner wall of the valve body is fixedly connected with a large valve clack, one end of the large valve clack is fixedly connected with a small valve clack, one end of the small valve clack is fixedly connected with a valve clack gland, and through the arrangement of the large valve clack, the small valve clack, a first pressure relief hole and a second pressure relief hole, when the stop valve needs to be opened, a hand wheel is rotated to lead a valve rod to drive the small valve clack to move upwards, the second pressure relief hole is released, incoming media are positioned through the inlet, so that pressure is not downward, but the inlet pipe is assisted to open the stop valve upwards, and similarly, when the stop valve is closed downwards, the hand wheel is rotated to lead the opening of the first pressure, therefore, the valve can be opened and closed without large force, and the physical strength of the valve is saved.

Description

Double-valve-clack guide rail sealing stop valve

Technical Field

The utility model belongs to the technical field of the stop valve, concretely relates to bivalve lamella guide rail seals stop valve.

Background

The valves on the pipelines are various, wherein the stop valve is a commonly used valve and is used for controlling the cut-off or flow adjustment of various flowing media such as air, water, steam and the like, and the existing single-valve-clack stop valve has the separation effect on the sealing joint surface due to the fact that the flowing media in the valve often have higher pressure, so that the excessively high pressure of the flowing media can form a separation effect on the sealing joint surface, the sealing joint surface tends to generate gaps, the flowing media are prone to permeate outwards through the sealing joint surface, and the sealing performance is further influenced.

However, in the above technical solution, since the internal pressure of the single-flap shutoff valve is high, there are also problems of high valve opening and closing operation force and poor sealing performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bivalve lamella guide rail seal stop valve aims at solving among the prior art big and the poor problem of leakproofness of valve switch operating force.

In order to achieve the above object, the utility model provides a following technical scheme: a double-valve guide rail sealing stop valve comprises a bottom plate, wherein a valve body is fixedly connected to the upper surface of the bottom plate, a large valve clack is fixedly connected to the inner wall of the valve body, a small valve clack is fixedly connected to one end of the large valve clack, a valve clack gland is fixedly connected to one end of the small valve clack, a valve rod is fixedly connected to one end of the valve clack gland, a stop ring is fixedly connected to one end of the large valve clack, a first pressure relief hole and a second pressure relief hole are sequentially formed in the outer surface of the stop ring from top to bottom, an inlet pipe is fixedly connected to the outer surface of the valve body, an outlet pipe is fixedly connected to the outer surface of the valve body, a lower fixing block is fixedly connected to one end of the valve body, an upper fixing block is fixedly connected to the, and one end of the mounting block, which is far away from the upper fixing block, is fixedly connected with a hand wheel.

In order to make this bivalve lamella guide rail seal stop valve reach the effect of fixed block and lower fixed block on the fixed mounting, conduct the utility model relates to an it is preferred, fixing bolt's surface swing joint has the gasket, fixing bolt's surface threaded connection has the nut.

In order to make this kind of bivalve lamella guide rail seal stop valve reach the effect of being convenient for portable removal, as the utility model relates to an it is preferred, the fixed surface of installation piece is connected with the annular piece, the fixed surface of annular piece is connected with the handle.

In order to make this kind of bivalve lamella guide rail seal stop valve reach the effect of installation hand wheel, conduct the utility model relates to an it is preferred, the last fixed surface of hand wheel is connected with fastening bolt.

In order to make this bivalve guide rail seal stop valve reach the effect of being convenient for connecting tube, conduct the utility model relates to an it is preferred, the equal fixedly connected with connecting block of one end of import pipe and outlet pipe, the connecting hole has been seted up to the side of connecting block.

In order to make this kind of bivalve lamella guide rail seal stop valve reach the effect of the fastening of being convenient for, conduct the utility model relates to an it is preferred, through threaded connection between valve rod and the installation piece.

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

1. this kind of double-valve clack guide rail seals stop valve, through big valve clack, little valve clack, the setting of pressure release hole and No. two pressure release holes, when the stop valve is opened to needs, rotate the hand wheel, let the valve rod drive little valve clack rebound, let out No. two pressure release holes, the medium of coming in through import pipe department, make pressure not downwards, but make progress help us and open the stop valve, when we close the stop valve downwards in the same reason, also through same method, it makes opening of pressure release hole No. one to rotate the hand wheel, thereby there is decurrent pressure help us to close the stop valve, we just so do not need very big power to open and close the valve, the physical power of self has been saved.

2. This kind of bivalve guide rail seals stop valve, through the check ring, the valve clack gland, the setting of import pipe and outlet pipe, when we will close the stop valve, move big valve clack to low, little valve clack has also moved to the end this moment, No. two pressure release holes on this moment the check ring are closed, a pressure release hole is opened, give little valve clack and the decurrent pressure of valve clack gland and make big valve clack tightly closed opening, effect through bivalve clack, just can make the inside inseparable seal that can be permanent of stop valve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a front view schematically illustrating the present invention;

fig. 3 is a schematic sectional view of the present invention.

In the figure: 1. a base plate; 2. a valve body; 3. a large valve flap; 4. a small valve flap; 5. a stopper ring; 6. a valve stem; 7. a valve clack gland; 8. a first pressure relief hole; 9. a second pressure relief hole; 10. an inlet pipe; 11. an outlet pipe; 12. mounting blocks; 13. fixing the bolt; 14. a lower fixed block; 15. an upper fixed block; 16. a ring block; 17. a handle; 18. a hand wheel; 19. fastening a bolt; 20. connecting blocks; 21. connecting holes; 22. a gasket; 23. and a nut.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a double-valve guide rail sealing stop valve comprises a bottom plate 1, a valve body 2 is fixedly connected to the upper surface of the bottom plate 1, a large valve clack 3 is fixedly connected to the inner wall of the valve body 2, a small valve clack 4 is fixedly connected to one end of the large valve clack 3, a valve clack gland 7 is fixedly connected to one end of the small valve clack 4, a valve rod 6 is fixedly connected to one end of the valve clack gland 7, a stop ring 5 is fixedly connected to one end of the large valve clack 3, a first pressure relief hole 8 and a second pressure relief hole 9 are sequentially formed in the outer surface of the stop ring 5 from top to bottom, an inlet pipe 10 is fixedly connected to the outer surface of the valve body 2, an outlet pipe 11 is fixedly connected to the outer surface of the valve body 2, a lower fixing block 14 is fixedly connected to one end of the valve body 2, an upper fixing block 15, a hand wheel 18 is fixedly connected to one end of the mounting block 12 far away from the upper fixing block 15.

The utility model discloses an in the embodiment, through big valve clack 3, little valve clack 4, the setting of pressure release hole 8 and No. two pressure release holes 9, when the stop valve is opened to needs, rotate hand wheel 18, let valve rod 6 drive little valve clack 4 upwards move, let go up No. two pressure release holes 9, locate the medium of coming in through import pipe 10, make pressure not downwards, but upwards help us to open the stop valve, when we close the stop valve downwards in the same reason, also through same method, it makes opening of pressure release hole 8 to rotate hand wheel 18, thereby there is decurrent pressure help us to close the stop valve, so just we do not need very big power to switch the valve, self physical power has been saved.

Specifically, a washer 22 is movably connected to the outer surface of the fixing bolt 13, and a nut 23 is connected to the outer surface of the fixing bolt 13 through a thread.

In this embodiment: the positions of the upper fixing block 15 and the lower fixing block 14 can be fixed by the arrangement of the washer 22 and the nut 23.

Specifically, the outer surface of the mounting block 12 is fixedly connected with a ring block 16, and the outer surface of the ring block 16 is fixedly connected with a handle 17.

In this embodiment: the portable hand-held removal is facilitated by the arrangement of ring block 16 and handle 17.

Specifically, a fastening bolt 19 is fixedly connected to the upper surface of the hand wheel 18.

In this embodiment: the hand wheel 18 can be fastened by the arrangement of the fastening bolt 19.

Specifically, one end of each of the inlet pipe 10 and the outlet pipe 11 is fixedly connected with a connecting block 20, and a connecting hole 21 is formed in the side surface of the connecting block 20.

In this embodiment: the connecting block 20 and the connecting hole 21 are arranged to be conveniently connected with a pipeline.

Specifically, the valve rod 6 and the mounting block 12 are connected through threads.

In this embodiment: the valve rod 6 can move up and down more conveniently through the arrangement of the threaded connection.

The utility model discloses a theory of operation and use flow: this sealed stop valve of bivalve lamella guide rail is when using, through big valve clack 3, little valve clack 4, the setting of a pressure release hole 8 and No. two pressure release holes 9, when the stop valve is opened to needs, rotate hand wheel 18, let valve rod 6 drive little valve clack 4 upwards move, release No. two pressure release holes 9, the medium of coming in is located through import pipe 10, make pressure not downward, but make progress help us open the stop valve, when the stop valve is closed downwards to the same reason us, also through same method, it makes opening of a pressure release hole 8 to rotate hand wheel 18, thereby there is decurrent pressure help us to close the stop valve, we just do not need very big power like this switch valve, self physical power has been saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bivalve lamella guide rail seal stop valve, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a valve body (2), the inner wall of the valve body (2) is fixedly connected with a large valve clack (3), one end of the large valve clack (3) is fixedly connected with a small valve clack (4), one end of the small valve clack (4) is fixedly connected with a valve clack gland (7), one end of the valve clack gland (7) is fixedly connected with a valve rod (6), one end of the large valve clack (3) is fixedly connected with a stop ring (5), the outer surface of the stop ring (5) is sequentially provided with a first pressure relief hole (8) and a second pressure relief hole (9) from top to bottom, the outer surface of the valve body (2) is fixedly connected with an inlet pipe (10), the outer surface of the valve body (2) is fixedly connected with an outlet pipe (11), one end of the valve body (2) is fixedly connected with a lower, the upper surface fixed connection of lower fixed block (14) has fixing bolt (13), the one end fixedly connected with installation piece (12) of going up fixed block (15), the one end fixedly connected with hand wheel (18) of last fixed block (15) are kept away from in installation piece (12).

2. The dual-clack guide-track sealing shut-off valve of claim 1, wherein: the outer surface of the fixing bolt (13) is movably connected with a gasket (22), and the outer surface of the fixing bolt (13) is in threaded connection with a nut (23).

3. The dual-clack guide-track sealing shut-off valve of claim 1, wherein: the outer surface of the mounting block (12) is fixedly connected with an annular block (16), and the outer surface of the annular block (16) is fixedly connected with a handle (17).

4. The dual-clack guide-track sealing shut-off valve of claim 1, wherein: and the upper surface of the hand wheel (18) is fixedly connected with a fastening bolt (19).

5. The dual-clack guide-track sealing shut-off valve of claim 1, wherein: the heat exchanger is characterized in that one ends of the inlet pipe (10) and the outlet pipe (11) are fixedly connected with connecting blocks (20), and connecting holes (21) are formed in the side faces of the connecting blocks (20).

6. The dual-clack guide-track sealing shut-off valve of claim 1, wherein: the valve rod (6) is connected with the mounting block (12) through threads.