CN219299945U

CN219299945U - Pneumatic butterfly valve buffer assembly

Info

Publication number: CN219299945U
Application number: CN202320047433.7U
Authority: CN
Inventors: 于长永; 李孝辉; 于学路; 张洪旺; 于学阔
Original assignee: Tianjin City Yongtuo Machinery Co ltd
Current assignee: Tianjin City Yongtuo Machinery Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-07-04
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to the technical field of pneumatic butterfly valves, in particular to a pneumatic butterfly valve buffer assembly, which comprises: the device comprises a valve body, a fixed frame and a baffle, wherein the valve body is connected with a connecting column and a sealing ring, an air cylinder and an air inlet and outlet pipe are arranged in the fixed frame, and the baffle is connected with a rubber ring and an elastic air cushion; the beneficial effects are as follows: firstly, start the cylinder, drive the rack and remove, make the gear drive advance the blast pipe and rotate through the bearing, further make the baffle overturn between two sealing washer, and parallel with the cross-section of valve body, later advance the blast pipe, carry gas between two baffles through the breather pipe, make the elasticity air cushion bulge, and seal connection between two sealing washer, later rivers strike one side of baffle, make rubber ring and the spring between two baffles compress, thereby alleviate the impact force that rivers brought, thereby increase the buffer capacity of valve body, increase life, reduce wearing and tearing.

Description

Pneumatic butterfly valve buffer assembly

Technical Field

The utility model relates to the technical field of pneumatic butterfly valves, in particular to a pneumatic butterfly valve buffer assembly.

Background

The pneumatic butterfly valve consists of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve is a pneumatic valve which is started by a circular butterfly plate rotating along with a valve rod and mainly used as a cut-off valve, and can be designed to have the function of adjusting or a section valve and also adjusting, so that the use of the current butterfly valve on low-pressure large-medium caliber pipelines is more and more.

In the prior art, as the valve plate needs to be closed and opened frequently, when the valve plate is closed and opened, the valve plate is usually in tight connection with the sealing element for opening and closing.

However, the existing butterfly valve has the problem of poor buffering protection effect, when a certain impact pressure exists in a pipeline, the sealing effect can be affected due to severe impact, if the valve is used for a long time, the service life of the valve body is definitely reduced, and the valve plate is in frequent contact with the sealing element, the sealing element is easily worn, and the sealing performance is reduced when the valve plate is closed.

Disclosure of Invention

The utility model aims to provide a pneumatic butterfly valve buffer assembly, which solves the problem that the conventional butterfly valve provided in the background art has poor buffer protection effect, when a certain impact pressure exists in a pipeline, the sealing effect can be affected due to severe impact, if the valve is used for a long time, the service life of a valve body is definitely reduced, and a valve plate is in frequent contact with a sealing element, so that the sealing element is easily worn, and the sealing performance is reduced when the valve plate is closed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pneumatic butterfly valve buffer assembly, the pneumatic butterfly valve buffer assembly comprising:

the valve body is fixedly connected with a connecting column on the side wall of the valve body, a bearing is arranged in the connecting column, a sealing ring is arranged in the valve body, and two sealing rings are arranged;

the fixed frame is fixedly connected with one end, far away from the valve body, of the connecting column, an air cylinder is arranged in the fixed frame, the air cylinder is connected with a rack, the fixed frame is connected with an air inlet and outlet pipe, and the air inlet and outlet pipe is connected with a gear;

the baffle is positioned in the valve body, two baffles are arranged, and the two baffles are connected with a rubber ring and an elastic air cushion.

Preferably, one end of the cylinder is fixedly connected with a rack, the rack is in meshed connection with a gear, and the gear is fixedly sleeved on the outer wall of the air inlet and outlet pipe.

Preferably, one end of the air inlet and outlet pipe penetrates through the side wall of the fixed frame, and the outer wall of the air inlet and outlet pipe, which is positioned in the connecting column, is fixedly connected with the side wall of the inner ring of the bearing.

Preferably, one end of the air inlet and outlet pipe far away from the fixed frame is positioned between the two sealing rings in the valve body, and one end of the air inlet and outlet pipe positioned in the valve body is a closed end.

Preferably, the air inlet and outlet pipe is provided with a fixed plate and a vent pipe on the outer wall of the valve body, two fixed plates are provided, and the two fixed plates are respectively positioned on the upper side and the lower side of the vent pipe.

Preferably, the other ends of the fixing plate and the vent pipe are fixedly connected with the side wall of one baffle plate.

Preferably, two baffle all are located between two sealing washer, two the adjacent lateral wall of baffle respectively with the both ends fixed connection of rubber ring, the rubber ring is equipped with a plurality of, a plurality of all be equipped with the spring in the inner circle of rubber ring.

Preferably, two ends of the spring are fixedly connected with the side walls adjacent to the two baffles respectively, and the outer walls of the two baffles are fixedly connected with the elastic air cushion.

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

when the valve body stops its inside rivers, at first start the inside cylinder of fixed frame, drive the rack and remove, thereby make the gear drive advance blast pipe and rotate through the bearing, further make the baffle that advances blast pipe one end connection overturn between two sealing washer, make the baffle parallel with the body cross-section of valve body, then advance the blast pipe, carry gas between two baffles through the breather pipe, make the elasticity air cushion bulge, and seal connection between two sealing washer, later rivers impact one side of baffle, make rubber ring and spring between two baffles compress, thereby alleviate the impact force that rivers brought, and after rivers impact, rubber ring and spring rebound, thereby increase the buffer capacity of valve body, and a further end of service life, reduce wearing and tearing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall semi-section structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. an air inlet and outlet pipe; 2. a fixed frame; 3. a connecting column; 4. a valve body; 5. a baffle; 6. a rack; 7. a gear; 8. a seal ring; 9. a bearing; 10. a cylinder; 11. a fixing plate; 12. a vent pipe; 13. a spring; 14. a rubber ring; 15. an elastic air cushion.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a pneumatic butterfly valve buffer assembly, the pneumatic butterfly valve buffer assembly comprising:

valve body 4, fixedly connected with spliced pole 3 on the lateral wall of valve body 4, the inside of spliced pole 3 is equipped with bearing 9, the inside of valve body 4 is equipped with sealing washer 8, sealing washer 8 is equipped with two, it is equipped with fixed plate 11 and breather pipe 12 on the outer wall that inlet and outlet pipe 1 is located the inside of valve body 4, fixed plate 11 is equipped with two, two fixed plates 11 are located the upside and downside of breather pipe 12 respectively, the one end that inlet and outlet pipe 1 kept away from fixed frame 2 is located the centre of two sealing washers 8 inside valve body 4, and the one end that inlet and outlet pipe 1 is located the inside of valve body 4 is the blind end, the other end of fixed plate 11 and breather pipe 12 all is with the lateral wall fixed connection of one of baffle 5

The fixed frame 2, keep away from the one end fixed connection of valve body 4 with spliced pole 3, the inside of fixed frame 2 is equipped with cylinder 10, cylinder 10 is connected with rack 6, fixed frame 2 is connected with into blast pipe 1, it is connected with gear 7 to advance blast pipe 1, the one end and the rack 6 fixed connection of cylinder 10, meshing connection between rack 6 and the gear 7, gear 7 is fixed cup joints on the outer wall of entering blast pipe 1, the lateral wall of fixed frame 2 is run through to the one end of entering blast pipe 1, the outer wall that enters blast pipe 1 is located inside spliced pole 3 and the inner circle lateral wall fixed connection of bearing 9

Baffle 5 is located the inside of valve body 4, and baffle 5 is equipped with two, and two baffles 5 are connected with rubber ring 14 and elastic air cushion 15, and two baffles 5 all are located between two sealing washer 8, and the adjacent lateral wall of two baffles 5 respectively with the both ends fixed connection of rubber ring 14, rubber ring 14 is equipped with a plurality of, all is equipped with spring 13 in the inner circle of a plurality of rubber ring 14, the both ends of spring 13 respectively with the adjacent lateral wall fixed connection of two baffles 5, the outer wall and the elastic air cushion 15 fixed connection of two baffles 5.

When the valve body 4 stops water flow in the valve body, firstly, the cylinder 10 in the fixed frame 2 is started to drive the rack 6 to move, so that the gear 7 drives the air inlet and outlet pipe 1 to rotate by 90 degrees through the bearing 9, the baffle 5 connected with one end of the air inlet and outlet pipe 1 is further overturned between the two sealing rings 8, the baffle 5 is parallel to the pipe section of the valve body 4, then the air inlet and outlet pipe 1 is subjected to air inlet, air is conveyed between the two baffles 5 through the air pipe 12, the elastic air cushion 15 is bulged and is in sealing connection with the two sealing rings 8, then the water flow impacts one side of the baffles 5, the rubber ring 14 and the spring 13 between the two baffles 5 are compressed, so that impact force caused by the water flow is relieved, and after the water flow impact is finished, the rubber ring 14 and the spring 13 rebound, so that the buffer capacity of the valve body 4 is increased.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pneumatic butterfly valve buffer assembly, characterized in that: the pneumatic butterfly valve buffer assembly includes:

the valve comprises a valve body (4), wherein a connecting column (3) is fixedly connected to the side wall of the valve body (4), a bearing (9) is arranged in the connecting column (3), a sealing ring (8) is arranged in the valve body (4), and two sealing rings (8) are arranged;

the fixed frame (2) is fixedly connected with one end, far away from the valve body (4), of the connecting column (3), an air cylinder (10) is arranged in the fixed frame (2), the air cylinder (10) is connected with a rack (6), the fixed frame (2) is connected with an air inlet and outlet pipe (1), and the air inlet and outlet pipe (1) is connected with a gear (7); a kind of electronic device with high-pressure air-conditioning system

The baffle (5) is positioned in the valve body (4), two baffles (5) are arranged, and the two baffles (5) are connected with a rubber ring (14) and an elastic air cushion (15).

2. The pneumatic butterfly valve buffer assembly of claim 1, wherein: one end of the air cylinder (10) is fixedly connected with the rack (6), the rack (6) is meshed with the gear (7), and the gear (7) is fixedly sleeved on the outer wall of the air inlet and exhaust pipe (1).

3. The pneumatic butterfly valve buffer assembly of claim 1, wherein: one end of the air inlet and outlet pipe (1) penetrates through the side wall of the fixed frame (2), and the outer wall of the air inlet and outlet pipe (1) positioned inside the connecting column (3) is fixedly connected with the inner ring side wall of the bearing (9).

4. The pneumatic butterfly valve buffer assembly of claim 1, wherein: one end of the air inlet and outlet pipe (1) far away from the fixed frame (2) is positioned in the middle of two sealing rings (8) in the valve body (4), and one end of the air inlet and outlet pipe (1) positioned in the valve body (4) is a closed end.

5. The pneumatic butterfly valve buffer assembly of claim 1, wherein: the air inlet and outlet pipe (1) is arranged on the outer wall of the inside of the valve body (4), two fixing plates (11) are arranged, and the two fixing plates (11) are respectively arranged on the upper side and the lower side of the air pipe (12).

6. The pneumatic butterfly valve buffer assembly of claim 5, wherein: the other ends of the fixing plate (11) and the vent pipe (12) are fixedly connected with the side wall of one baffle plate (5).

7. The pneumatic butterfly valve buffer assembly of claim 1, wherein: two baffle (5) all are located between two sealing washer (8), two adjacent lateral wall of baffle (5) respectively with the both ends fixed connection of rubber ring (14), rubber ring (14) are equipped with a plurality of, a plurality of all be equipped with spring (13) in the inner circle of rubber ring (14).

8. The pneumatic butterfly valve buffer assembly of claim 7, wherein: two ends of the spring (13) are fixedly connected with the side walls adjacent to the two baffles (5) respectively, and the outer walls of the two baffles (5) are fixedly connected with the elastic air cushion (15).