CN216843209U - Pneumatic bi-pass ball valve - Google Patents

Abstract

The utility model discloses a pneumatic double-way ball valve, which comprises a casing, a support plate is fixedly connected to the top of the casing, and a pneumatic actuator is fixedly installed on the surface of the support plate through first bolts. The surface is fixedly connected with a fixed pipe, the end of the fixed pipe is fixedly connected with a first flange, the surface of the first flange is fixedly installed with a second flange through a second bolt, and one end of the second flange is fixed An external pipe is fixedly connected, a sphere is movably connected to the inner wall of the casing, a through hole is formed on the surface of the sphere, a connecting rod is fixedly connected to the top of the sphere, and the surface of the connecting rod is rotatably connected to the casing through a bearing . The utility model can conveniently dismantle and replace the pneumatic actuator through the cooperation of the support plate, the connecting rod and the output shaft, and at the same time cooperate with the first indicator and the second indicator to accurately reset the sphere and the through hole, thereby effectively It improves the practicability of the equipment and is more conducive to use.

Description

A pneumatic two-way ball valve

technical field

The utility model relates to the technical field of valves, in particular to a pneumatic double-way ball valve.

Background technique

Pneumatic ball valve is a ball valve equipped with a pneumatic actuator. The pneumatic ball valve is evolved from a plug valve. It has the same 90-degree rotation action. The difference is that the plug body is a sphere with a circular through hole or channel through its axis, spherical and The proportion of the channel port should be such that when the ball rotates 90 degrees, the inlet and outlet should all be spherical, so as to cut off the flow. This type of valve can be installed in any position in the pipeline.

However, the existing devices still have the following shortcomings in the technology:

1. Most of the existing pneumatic ball valves use a more complicated way to connect the pneumatic actuator and the ball valve, which makes it difficult for users to disassemble and replace the pneumatic actuator, which is not conducive to use;

2. Most of the existing pneumatic ball valves are relatively simple to seal the pipe connection, and the equipment is prone to have poor sealing performance, which is not conducive to use.

Utility model content

The purpose of the utility model is to provide a pneumatic double-way ball valve, so as to solve the problems that the above-mentioned equipment is difficult to disassemble and replace the pneumatic actuator and the pipeline connection has poor sealing performance.

In order to solve the above technical problems, the present invention provides the following technical solutions: a pneumatic double-way ball valve, comprising a casing, a support plate is fixedly connected to the top of the casing, and a surface of the support plate is fixedly installed with a first bolt through a first bolt. For the pneumatic actuator, a fixed tube is fixedly connected to the surface of the casing, the end of the fixed tube is fixedly connected to a first flange, and the surface of the first flange is fixedly installed with a second flange through a second bolt One end of the second flange is fixedly connected with an external pipe, the inner wall of the casing is movably connected with a sphere, the surface of the sphere is provided with a through hole, and the top of the sphere is fixedly connected with a connecting rod, and the connection The surface of the rod is rotatably connected to the housing through a bearing, and the bottom of the pneumatic actuator is provided with an output shaft.

Further, a first indicator is fixedly connected to the surface of the connecting rod, and a second indicator is fixedly connected to the top of the housing.

Further, the top of the connecting rod is provided with a spline groove, the bottom of the output shaft is fixedly connected with a spline block, and the inner wall of the spline groove is adapted to the surface of the spline block.

Further, one end of the first flange is provided with a gasket groove, and the inner wall of the gasket groove is slidably connected with a sealing gasket.

Further, one end of the first flange is fixedly connected with an insertion rod, a surface of the second flange is provided with an insertion hole, and the inner wall of the insertion hole is adapted to the surface of the insertion rod.

Further, the other end of the first flange is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a nut, and the inner wall of the nut is connected with the second bolt through a thread.

Compared with the prior art, the beneficial effects achieved by the present utility model are:

(1) The utility model can conveniently disassemble and replace the pneumatic actuator through the cooperation of the support plate, the connecting rod and the output shaft, and at the same time cooperate with the first indicator and the second indicator to accurately reset the sphere and the through hole. , thereby effectively improving the practicability of the device and making it more beneficial to use.

(2) Through the cooperation of the first flange, the sealing gasket and the second flange, the utility model can effectively improve the sealing performance of the connection between the external pipeline and the equipment, and at the same time, the gasket groove is opened, which is convenient for users to adjust the aging sealing gasket. For quick disassembly and replacement, it is more conducive to use.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

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

Fig. 2 is the structural explosion schematic diagram of the present utility model;

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

In the figure: 1. Shell; 2. Supporting plate; 3. First bolt; 4. Pneumatic actuator; 5. Fixed pipe; 6. First flange; 7. Second bolt; 8. Second flange; 9. External pipe; 10. Jack; 11. Insert rod; 12. Gasket groove; 13. Seal washer; 14. Ball; 15. Through hole; 16. Connecting rod; 17. Limit slot; 18. Nut; 19 , spline groove; 20, spline block; 21, output shaft; 22, first indicator; 23, second indicator.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a pneumatic two-way ball valve, comprising a casing 1, a support plate 2 is fixedly connected to the top of the casing 1, and the surface of the support plate 2 is fixedly installed by first bolts 3 There is a pneumatic actuator 4 , a fixed tube 5 is fixedly connected to the surface of the housing 1 , the end of the fixed tube 5 is fixedly connected with a first flange 6 , and the surface of the first flange 6 is fixedly installed with a second bolt 7 . One end of the flange 8, the second flange 8 is fixedly connected with an external pipe 9, the inner wall of the housing 1 is movably connected with a sphere 14, the surface of the sphere 14 is provided with a through hole 15, and the top of the sphere 14 is fixedly connected with a connecting rod 16, The surface of the connecting rod 16 is rotatably connected to the housing 1 through a bearing, and the bottom of the pneumatic actuator 4 is provided with an output shaft 21 . Alternatively, through the cooperation of the first flange 6 and the second flange 8, the sealing performance of the connection between the external pipeline 9 and the equipment can be effectively improved, thereby effectively improving the practicability of the equipment and making it more convenient to use.

Specifically, a first indicator 22 is fixedly connected to the surface of the connecting rod 16 , and a second indicator 23 is fixedly connected to the top of the housing 1 . The mark 23 can accurately reset the ball 14 and the through hole 15, which is more convenient for use.

Specifically, 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 adapted to the surface of the spline block 20, through the spline groove 19 and the spline The connection of the block 20 can stably transmit the output power of the pneumatic actuator 4, which is more beneficial to use.

Specifically, one end of the first flange 6 is provided with a gasket groove 12, and the inner wall of the gasket groove 12 is slidably connected with a sealing gasket 13. Through the deformation of the sealing gasket 13, the gap between the first flange 6 and the second flange 8 can be further improved. tightness between. The opening of the gasket groove 12 facilitates the positioning of the sealing gasket 13 and facilitates the user to replace the aging sealing gasket 13 .

Specifically, an insertion rod 11 is fixedly connected to one end of the first flange 6 , an insertion hole 10 is formed on the surface of the second flange 8 , and the inner wall of the insertion hole 10 is adapted to the surface of the insertion rod 11 , when the insertion rod 11 enters After the inside of the socket 10, the first flange 6 and the second flange 8 can be preliminarily fixed and quickly positioned, which is more conducive to subsequent disassembly and assembly.

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 , and the inner wall of the nut 18 is threadedly connected to the second bolt 7 . The nut 18 is limited, and the user only needs to turn the second bolt 7 to install, which is more convenient to operate.

The working principle of the utility model: when the user needs to replace the pneumatic actuator 4, first remove the first bolt 3, then pull the pneumatic actuator 4 upward, and the pneumatic actuator 4 drives the spline block 20 through the output shaft 21, The spline block 20 is disengaged from the spline groove 19, then the pneumatic actuator 4 is replaced, and then the user rotates the connecting rod 16 to align the first indicator 22 with the second indicator 23, thereby realizing the connection between the sphere 14 and the through hole 15. Return to position, and then the user inserts the spline block 20 into the spline groove 19, and then uses the first bolt 3 to install the pneumatic actuator 4. At this time, the installation of the pneumatic actuator 4 is completed. When the output of the pneumatic actuator 4 drives the output shaft 21 to rotate When the output shaft 21 drives the first indicator 22, the first indicator 22 drives the connecting rod 16, and the connecting rod 16 drives the sphere 14, so that the through hole 15 rotates, so as to realize the precise control of the internal on-off of the casing 1. When When the user docks the device with the external pipe 9, first align the socket 10 on the second flange 8 with the insertion rod 11 and then push it in. After the insertion rod 11 enters the interior of the socket 10, the second bolt 7 For quick positioning with the nut 18 and preliminary fixing of the second flange 8, the user inserts the nut 18 into the limit groove 17, and the limit groove 17 radially restricts the nut 18, and the user only needs to turn the second bolt 7, the connection between the limit groove 17 and the second bolt 7 can be carried out, and the second flange 8 and the first flange 6 can be driven at the same time, so that the two are closely fitted, and the sealing washer 13 is further improved by its own deformation. The tightness of the connection between the two.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A pneumatic two-way ball valve, comprising a casing (1), characterized in that: a support plate (2) is fixedly connected to the top of the casing (1), and the surface of the support plate (2) passes through a first The bolt (3) is fixedly installed with the pneumatic actuator (4), the surface of the casing (1) is fixedly connected with a fixing pipe (5), and the end of the fixing pipe (5) is fixedly connected with a first flange ( 6), the surface of the first flange (6) is fixedly installed with a second flange (8) through the second bolt (7), and one end of the second flange (8) is fixedly connected with an external pipe (9). ), a sphere (14) is movably connected to the inner wall of the housing (1), a through hole (15) is formed on the surface of the sphere (14), and 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 housing (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, characterized in that: the surface of the connecting rod (16) is fixedly connected with a first indicator (22), and the top of the casing (1) is fixed A second indicator (23) is connected. 3. A pneumatic two-way ball valve according to claim 1, characterized in that: the top of the connecting rod (16) is provided with a spline groove (19), and the bottom of the output shaft (21) is fixedly connected with a spline groove (19). A key block (20), the inner wall of the spline groove (19) is adapted to the surface of the spline block (20). 4. The pneumatic two-way ball valve according to claim 1, wherein a gasket groove (12) is opened at one end of the first flange (6), and the inner wall of the gasket groove (12) is slidably connected There is a sealing gasket (13). 5. A pneumatic two-way ball valve according to claim 1, characterized in that: one end of the first flange (6) is fixedly connected with a plunger (11), and the second flange (8) is An insertion hole (10) is provided on the surface, and the inner wall of the insertion hole (10) is adapted to the surface of the insertion rod (11). 6. A pneumatic two-way ball valve according to claim 1, characterized in that: a limiting groove (17) is provided at the other end of the first flange (6), and the inner wall of the limiting groove (17) is A nut (18) is slidably connected, and the inner wall of the nut (18) is connected with the second bolt (7) through a thread.

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