CN216843209U

CN216843209U - Pneumatic bi-pass ball valve

Info

Publication number: CN216843209U
Application number: CN202123393018.7U
Authority: CN
Inventors: 唐高专; 王小亚
Original assignee: Shanghai Difei Electromechanical Technology Co ltd
Current assignee: Shanghai Difei Electromechanical Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-28
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a pneumatic bi-pass ball valve, which comprises a housin, the top fixedly connected with backup pad of casing, there is pneumatic actuator on the surface of backup pad through first bolt fixed mounting, the fixed pipe of fixed surface of casing is connected with, the first flange of tip fixedly connected with of fixed pipe, there is the second flange on the surface of first flange through second bolt fixed mounting, the external pipeline of one end fixedly connected with of second flange, the inner wall swing joint of casing has the spheroid, the through-hole has been seted up on spheroidal surface, spheroidal top fixedly connected with connecting rod, the surface of connecting rod passes through the bearing and rotates the connection casing. The utility model discloses a cooperation of backup pad, connecting rod and output shaft can carry out convenient tearing open the trade to pneumatic actuator, cooperates first index mark and second index mark simultaneously, can carry out accurate the reseing to spheroid and through-hole to the effectual practicality that improves equipment is favorable to the use more.

Description

Pneumatic bi-pass ball valve

Technical Field

The utility model relates to a relevant technical field of valve specifically is a pneumatic bi-pass ball valve.

Background

The pneumatic ball valve is characterized by that it is a ball valve matched with pneumatic actuator, and is a valve evolved from cock valve, and it has identical action of rotating 90 deg., and is different from that the cock body is a ball body, and has circular through hole or channel passing through its axis, and the proportion of spherical surface and channel opening must be such that when the ball is rotated 90 deg., all the inlet and outlet positions must be spherical surface so as to cut off flow.

However, the prior device has the following defects in the technology:

1. most of the existing pneumatic ball valves adopt a complex mode to connect the pneumatic actuator and the ball valve, so that a user is difficult to disassemble and replace the pneumatic actuator and is not beneficial to use;

2. the existing pneumatic ball valve is simple in sealing treatment of the pipeline joint in most cases, poor in sealing performance and not beneficial to use, and equipment is easy to appear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic bi-pass ball valve to solve the equipment that the aforesaid provided and be difficult to tear open the relatively poor problem of pneumatic actuator and pipe connection leakproofness.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a pneumatic bi-pass ball valve, includes the casing, the top fixedly connected with backup pad of casing, there is pneumatic actuator on the surface of backup pad through first bolt fixed mounting, the fixed pipe of fixed surface connection of casing, the first flange of tip fixedly connected with of fixed pipe, there is the second flange on the surface of first flange through second bolt fixed mounting, the external pipeline of one end fixedly connected with of second flange, the inner wall swing joint of casing has the spheroid, the through-hole has been seted up on the spheroidal surface, spheroidal top fixedly connected with connecting rod, the surface of connecting rod passes through the bearing and rotates the connection casing, pneumatic actuator's bottom is provided with the output shaft.

Furthermore, the surface of the connecting rod is fixedly connected with a first indicator, and the top of the shell is fixedly connected with a second indicator.

Furthermore, a spline groove is formed in the top of the connecting rod, a spline block is fixedly connected to the bottom of the output shaft, and the inner wall of the spline groove is matched with the surface of the spline block.

Furthermore, a gasket groove is formed in one end of the first flange, and a sealing gasket is connected to the inner wall of the gasket groove in a sliding mode.

Furthermore, the one end fixedly connected with inserted bar of first flange, the jack has been seted up on the surface of second flange, the inner wall of jack and the surperficial looks adaptation of inserted bar.

Furthermore, a limiting groove is formed in the other end of the first flange, a nut is connected to the inner wall of the limiting groove in a sliding mode, and the inner wall of the nut is connected with a second bolt through threads.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) the utility model discloses a cooperation of backup pad, connecting rod and output shaft can carry out convenient tearing open the trade to pneumatic actuator, cooperates first index mark and second index mark simultaneously, can carry out accurate the reseing to spheroid and through-hole to the effectual practicality that improves equipment is favorable to the use more.

(2) The utility model discloses a cooperation of first flange, seal ring and second flange, the leakproofness that can effectual improvement external pipeline and equipment junction sets up the gasket groove simultaneously, and then convenient to use person carries out quick tearing open to ageing seal ring and trades, is favorable to the use more.

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 structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a bottom view of the pneumatic actuator of the present invention.

In the figure: 1. a housing; 2. a support plate; 3. a first bolt; 4. a pneumatic actuator; 5. a fixed tube; 6. a first flange; 7. a second bolt; 8. a second flange; 9. connecting a pipeline externally; 10. a jack; 11. inserting a rod; 12. a gasket groove; 13. a sealing gasket; 14. a sphere; 15. a through hole; 16. a connecting rod; 17. a limiting groove; 18. a nut; 19. a spline groove; 20. a spline block; 21. an output shaft; 22. a first indicator; 23. a second indicator.

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. 1-3, the present invention provides a technical solution: a pneumatic two-way ball valve comprises a shell 1, a supporting plate 2 is fixedly connected to the top of the shell 1, a pneumatic actuator 4 is fixedly mounted on the surface of the supporting plate 2 through a first bolt 3, a fixed pipe 5 is fixedly connected to the surface of the shell 1, a first flange 6 is fixedly connected to the end portion of the fixed pipe 5, a second flange 8 is fixedly mounted on the surface of the first flange 6 through a second bolt 7, one end of the second flange 8 is fixedly connected with an external pipeline 9, a sphere 14 is movably connected to the inner wall of the shell 1, a through hole 15 is formed in the surface of the sphere 14, a connecting rod 16 is fixedly connected to the top of the sphere 14, the surface of the connecting rod 16 is rotatably connected to the shell 1 through a bearing, an output shaft 21 is arranged at the bottom of the pneumatic actuator 4, the pneumatic actuator 4 can be conveniently detached and replaced through the supporting plate 2 and the connecting rod 16 and the output shaft 21, and through the cooperation of the first flange 6 and the second flange 8, can the effectual leakproofness that improves external pipeline 9 and equipment junction to the effectual practicality that improves equipment is favorable to more using.

Specifically, the fixed surface of connecting rod 16 is connected with first indicator 22, and the top fixedly connected with second indicator 23 of casing 1 moves towards unanimous first indicator 22 through setting up and through-hole 15, and cooperation second indicator 23 can carry out accurate the reseing to spheroid 14 and through-hole 15, is favorable to the use more.

Specifically, spline groove 19 has been seted up at the top of connecting rod 16, and the bottom fixedly connected with spline piece 20 of output shaft 21, the inner wall of spline groove 19 and the surperficial looks adaptation of spline piece 20, through being connected of spline groove 19 and spline piece 20, can carry out stable transmission to pneumatic actuator 4's output power, be favorable to more using.

Specifically, gasket groove 12 has been seted up to the one end of first flange 6, and the inner wall sliding connection of gasket groove 12 has seal ring 13, through seal ring 13's deformation, can further improve the leakproofness between first flange 6 and the second flange 8. The gasket groove 12 is provided to facilitate positioning of the gasket 13 and replacement of the aged gasket 13 by a user.

Specifically, the one end fixedly connected with inserted bar 11 of first flange 6, jack 10 has been seted up on the surface of second flange 8, and the inner wall of jack 10 and the surperficial looks adaptation of inserted bar 11 can carry out preliminary fixed and quick location to first flange 6 and second flange 8 after the inside of inserted bar 11 entering jack 10, are favorable to subsequent dismouting more.

Specifically, the other end of the first flange 6 is provided with a limiting groove 17, the inner wall of the limiting groove 17 is slidably connected with a nut 18, the inner wall of the nut 18 is connected with the second bolt 7 through threads, the nut 18 can be limited by arranging the limiting groove 17, and a user can install the flange by only rotating the second bolt 7, so that the flange is more convenient to operate.

The utility model discloses a theory of operation: when a user needs to replace the pneumatic actuator 4, the first bolt 3 is firstly detached, then the pneumatic actuator 4 is pulled upwards, the pneumatic actuator 4 drives the spline block 20 through the output shaft 21, the spline block 20 is separated from the spline groove 19, then the pneumatic actuator 4 is replaced, then the user rotates the connecting rod 16, the first indicator 22 is aligned with the second indicator 23, and then the ball 14 and the through hole 15 are reset, then the user inserts the spline block 20 into the spline groove 19, then the pneumatic actuator 4 is installed by using the first bolt 3, at this time, the installation of the pneumatic actuator 4 is completed, when the pneumatic actuator 4 outputs and drives the output shaft 21 to rotate, the output shaft 21 drives the first indicator 22, the first indicator 22 drives the connecting rod 16, the connecting rod 16 drives the ball 14, so that the through hole 15 rotates, and the accurate control of the on-off of the inside of the shell 1 is realized, when the user docks equipment and external pipeline 9, at first with jack 10 alignment inserted bar 11 on the second flange 8 then push in, after the inside of inserted bar 11 entering jack 10, can carry out quick location and the preliminary fixed of second flange 8 to second bolt 7 and nut 18, the user inserts the inside of nut 18 spacing groove 17, spacing groove 17 carries out radial restriction to nut 18, the user only need rotate second bolt 7, can carry out the connection between spacing groove 17 and the second bolt 7, drive second flange 8 and first flange 6 simultaneously, make both closely laminate, seal ring 13 further improves the leakproofness of both junctions through the deformation of self simultaneously.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A pneumatic two-way ball valve comprises a shell (1), and is characterized in that: the top of the shell (1) is fixedly connected with a support plate (2), the surface of the support plate (2) is fixedly provided with a pneumatic actuator (4) through a first bolt (3), the surface of the shell (1) is fixedly connected with a fixed pipe (5), the end part of the fixed pipe (5) is fixedly connected with a first flange (6), a second flange (8) is fixedly arranged on the surface of the first flange (6) through a second bolt (7), one end of the second flange (8) is fixedly connected with an external pipeline (9), the inner wall of the shell (1) is movably connected with a ball body (14), the surface of the ball body (14) is provided with a through hole (15), the top of the sphere (14) is fixedly connected with a connecting rod (16), the surface of the connecting rod (16) is rotatably connected with the shell (1) through a bearing, and the bottom of the pneumatic actuator (4) is provided with an output shaft (21).

2. A pneumatic two-way ball valve according to claim 1, wherein: the surface of connecting rod (16) fixed connection has first index (22), the top fixed connection of casing (1) has second index (23).

3. A pneumatic two-way ball valve according to claim 1, wherein: the top of the connecting rod (16) is provided with a spline groove (19), the bottom of the output shaft (21) is fixedly connected with a spline block (20), and the inner wall of the spline groove (19) is matched with the surface of the spline block (20).

4. A pneumatic two-way ball valve according to claim 1, wherein: a gasket groove (12) is formed in one end of the first flange (6), and a sealing gasket (13) is connected to the inner wall of the gasket groove (12) in a sliding mode.

5. A pneumatic two-way ball valve according to claim 1, wherein: the one end fixedly connected with inserted bar (11) of first flange (6), jack (10) have been seted up on the surface of second flange (8), the inner wall of jack (10) and the surperficial looks adaptation of inserted bar (11).

6. A pneumatic two-way ball valve according to claim 1, wherein: a limiting groove (17) is formed in the other end of the first flange (6), a nut (18) is connected to the inner wall of the limiting groove (17) in a sliding mode, and the inner wall of the nut (18) is connected with the second bolt (7) through threads.