CN220016098U

CN220016098U - Combined valve cover

Info

Publication number: CN220016098U
Application number: CN202321434325.1U
Authority: CN
Inventors: 周晓敏
Original assignee: Shuohui Weiyi Electrical Appliances Co ltd In Shunde District Foshan City
Current assignee: Shuohui Weiyi Electrical Appliances Co ltd In Shunde District Foshan City
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-14
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to a valve cover, in particular to a combined valve cover. The valve comprises a valve body, wherein the valve body is of a cylindrical structure, one end of the valve body is provided with a footstock, a valve rod is arranged in the valve body, a push rod is arranged in the valve rod in a sliding mode, one end, far away from the footstock, of the push rod is connected with a push plate, the push plate slides in a valve cover connected with the end portion of the valve rod, an air bag pad is arranged on the outer side of the valve cover, and the air bag pad is communicated with the valve cover through a through hole. According to the utility model, the valve rod arranged in the valve body is utilized to enable the valve port of the valve body to be more convenient to open or close, the push plate arranged in the cover plate connected with the end part of the valve rod is connected with the push rod by utilizing the push rod in the valve rod, so that the push plate slides in the cover plate by utilizing the push and pull of the push rod, and the air in the cover plate is led into the air bag pad arranged on the outer side of the cover plate through the through hole by utilizing the thrust of the push plate pushed by the push rod, so that the air bag pad is expanded, the valve port is more sealed, and air leakage at the valve port is avoided.

Description

Combined valve cover

Technical Field

The utility model relates to a valve cover, in particular to a combined valve cover.

Background

The valve cover is provided with a valve part of the valve rod sealing element and is used for connecting or supporting the executing mechanism, the valve cover in the gate valve mainly plays a role of pressing and packing, and in daily life, the valve cover is common;

the Chinese patent publication number is as follows: the combined pressure relief valve comprises a main valve opening valve body, a passive pressure relief valve port seat, a combined valve cover, a spring and a sealing valve seat, wherein the combined valve cover is slidably assembled in the main valve opening valve body;

however, in the above-mentioned combination type pressure release valve, the valve cover is only used to block the air inlet end, which may leak air from the air inlet end, even if the valve seat is used to protect the valve port, when the service time of the valve seat is long, the valve seat may not be tightly attached to the valve port, which may cause air leakage.

Disclosure of Invention

The present utility model is directed to a combined valve cover to solve the above-mentioned problems.

In order to achieve the above purpose, the utility model provides a combined valve cover, which comprises a valve body, wherein the valve body is of a cylindrical structure, one end of the valve body is provided with a top seat, a valve rod for opening and closing a valve port is arranged in the valve body, a push rod is arranged in the valve rod in a sliding manner, and the end part of the push rod extends out of the surface of the top seat;

the one end that the footstock was kept away from to the push rod is connected with the push pedal, the push pedal slides inside valve rod end connection's apron, the apron outside is equipped with the gasbag pad that is used for assisting the apron to close the valve port, communicate with each other through the through-hole between gasbag pad and the apron.

As a further improvement of the technical scheme, a sealing pad for sealing the through hole is arranged on one side, close to the air bag pad, of the push plate.

As a further improvement of the technical scheme, the end part of the sealing gasket is round.

As a further improvement of the technical scheme, the two sides of the push plate are provided with the convex blocks for the push plate to slide in the inner cavity of the cover plate, and the two sides of the inner cavity of the cover plate are symmetrically provided with sliding grooves attached to the outer walls of the convex blocks.

As a further improvement of the technical scheme, a fixing strip is arranged on one side, close to the footstock, of the push rod, and is clamped in a groove formed in the inner portion of the rod end arranged on the outer wall of the footstock.

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

in this combination valve gap, through the valve rod that utilizes the inside valve body to be equipped with, the valve port of messenger valve body is more convenient for open or close, utilize the inside push rod that slides to be equipped with of valve rod, make the inside push pedal of apron of valve rod end connection can be connected with the push rod to utilize the push-and-pull of push rod to make the push pedal slide inside the apron, utilize the thrust of the push pedal that the push rod promoted, make the inside gas of apron pass through the through-hole and lead to in the gasbag pad that the apron outside was equipped with, make the gasbag pad expand, make valve port department more sealed, thereby avoid valve port department gas leakage.

Drawings

FIG. 1 is a schematic view of a valve body according to embodiment 1 of the present utility model;

FIG. 2 is a schematic cross-sectional view of a valve body according to embodiment 1 of the present utility model;

FIG. 3 is a schematic diagram showing a pushing structure of a push rod according to embodiment 1 of the present utility model;

fig. 4 is a schematic exploded view of a valve cover according to embodiment 1 of the present utility model.

The meaning of each reference sign in the figure is:

1. a valve body; 11. a top base; 12. a valve stem;

2. a push rod; 21. a cover plate; 211. a push plate; 212. a sealing gasket; 213. a bump; 22. a fixing strip;

3. a rod end; 31. a groove;

4. an airbag cushion; 41. and a through hole.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, this embodiment provides a combined valve cover, including a valve body 1, the valve body 1 is a tubular structure, and one end of the valve body 1 is provided with a footstock 11, a valve rod 12 for opening and closing a valve port is provided in the valve body 1, a push rod 2 is slidably provided in the valve rod 12, and the end of the push rod 2 extends out of the surface of the footstock 11, one end of the push rod 2 far away from the footstock 11 is connected with a push plate 211, the push plate 211 slides in the cover plate 21 connected with the end of the valve rod 12, an airbag cushion 4 for assisting the cover plate 21 to close the valve port is provided outside the cover plate 21, the airbag cushion 4 is communicated with the cover plate 21 through a through hole 41, the combined pressure release valve mentioned in the background only uses the valve cover to block the air inlet end, the air inlet end can leak, even if there is a sealing valve seat to protect the valve port, but when the sealing valve seat is long in use time, the sealing valve seat is possibly attached with the valve port, the resulting phenomenon, therefore, in order to facilitate sealing the valve port, avoid gas leakage, by using the valve rod 12 provided in the valve rod 1 in the interior, the valve port of the valve body 1 is more conveniently opened or closed by using the push rod 12 provided in the end of the valve rod 12, the valve port of the valve body 21, the assistance of the valve 2 is made, and the sealing 2 is more conveniently by using the push plate 21, the push plate 21 provided in the sliding, and the end 21 is connected with the valve rod 21 by the valve seat, and the sealing 2 by the valve seat 21, which is opened by the sealing by the valve 21, and the sealing by the sealing through hole 21.

The utility model is particularly used when: firstly, the valve rod 12 arranged in the valve body 1 is utilized to enable the push rod 2 to slide in the valve rod 12, so that the push rod 2 can slide in the valve rod 12, the push rod 2 fixedly connected with the end part of the push rod 2 is driven to slide in the cover plate 21 arranged at the end part of the valve rod 12, the push force of the push plate 211 is pushed by the push rod 2, air in the cover plate 21 can be led into the airbag cushion 4 through the through hole 41, the airbag cushion 4 is inflated, the valve port is sealed, and the air leakage at the valve port is avoided.

Considering that the gas inside the airbag cushion 4 flows back into the cover plate 21 through the through-holes 41 when the push plate 211 is pushed by the push rod 2 to inflate the airbag cushion 4, in order to avoid the gas loss inside the airbag cushion 4, a sealing pad 212 for sealing the through-holes 41 is provided on the side of the push plate 211 near the airbag cushion 4. Through utilizing the sealing pad 212 that push pedal 211 is close to gasbag pad 4 one side is equipped with, makes the push pedal 211 to the back in the gasbag pad 4, can utilize sealing pad 212 to seal through-hole 41, makes the inside gas of gasbag pad 4 stay in gasbag pad 4, and the auxiliary cover 21 of being convenient for seals the valve port more.

In order to facilitate the sealing pad 212 to seal the through hole 41, the gas inside the airbag cushion 4 stays in the airbag cushion 4, and the end of the sealing pad 212 is circular. By making the end of the gasket 212 circular, the gasket 212 is more adhered to the inner wall of the through hole 41, thereby more facilitating the sealing of the through hole 41.

Since the push plate 211 slides inside the cover plate 21, in order to make the push plate 211 slide inside the cover plate 21 more stable, the two sides of the push plate 211 are provided with the protruding blocks 213 for the push plate 211 to slide inside the cover plate 21, and the two sides of the inner cavity of the cover plate 21 are symmetrically provided with sliding grooves attached to the outer walls of the protruding blocks 213. The push plate 211 slides in the cover plate 21 and can be limited by utilizing the convex blocks 213 arranged on two sides of the push plate 211 to slide in the sliding grooves arranged on two sides of the inner cavity of the cover plate 21, and the push plate 211 also slides in the cover plate 21 more stably.

Considering that when the push plate 211 is pushed by the push rod 2 to inflate into the airbag cushion 4, the sealing pad 212 arranged on the outer side of the push plate 211 needs to be attached to the inner wall of the through hole 41, so that the sealing pad 212 can seal the through hole 41 for a long time, in order to make the sealing pad 212 more convenient for sealing the through hole 41 for a long time, a fixing strip 22 is arranged on one side of the push rod 2 close to the top seat 11, and the fixing strip 22 is clamped in a groove 31 formed in the rod end 3 arranged on the outer wall of the top seat 11. When the push rod 2 pushes the push plate 211 to slide inside the cover plate 21, the fixing strip 22 arranged at the end part of the push rod 2 far away from the push plate 211 slides into the rod end 3 arranged on the outer wall of the top seat 11, and when the sealing gasket 212 is attached to the inner wall of the through hole 41, the end part of the push rod 2 is rotated, so that the fixing strip 22 slides into the groove 31 arranged inside the rod end 3, thereby fixing the push rod 2, and the sealing gasket 212 is more convenient for sealing the through hole 41 for a long time.

When the combined valve cover is specifically used, firstly, the valve rod 12 arranged in the valve body 1 is utilized to enable the push rod 2 to slide in the valve rod 12, so that the push rod 2 can slide in the valve rod 12, the push plate 211 fixedly connected with the end part of the push rod 2 is driven to slide in the cover plate 21 arranged at the end part of the valve rod 12, the lugs 213 arranged at the two sides of the push plate 211 are utilized to slide in the sliding grooves formed at the two sides of the inner cavity of the cover plate 21, the push plate 211 can be limited in the cover plate 21, the push plate 211 can slide in the cover plate 21 more stably, then the push plate 211 is pushed by the push rod 2 to push the push plate 211, the air in the cover plate 21 can be led into the airbag cushion 4 through the through holes 41 to expand the airbag cushion 4, the valve port is more sealed by utilizing the sealing pad 212 arranged at one side of the push plate 211 close to the airbag cushion 4, after the push plate 211 is inflated into the airbag cushion 4, the through holes 41 can be sealed by utilizing the sealing pad 212, the end part of the sealing pad 212 is round, the sealing pad 212 is more attached to the inner wall of the through hole 41, the gas in the airbag cushion 4 is more convenient to be stopped in the airbag cushion 4, and the valve port is more conveniently sealed by the auxiliary cover plate 21;

when push rod 2 promotes push pedal 211 and slides in apron 21 inside, the fixed strip 22 that the tip that push rod 2 kept away from push pedal 211 was equipped with slides along with it in the rod end 3 that footstock 11 outer wall was equipped with, when sealed pad 212 and the laminating of through-hole 41 inner wall, rotatory push rod 2's tip makes fixed strip 22 slide in the recess 31 that the rod end 3 was seted up to fix push rod 2, makes sealed pad 212 more be convenient for seal through-hole 41 for a long time, thereby makes gasbag pad 4 be in the inflation state, the auxiliary cover plate 21 of more being convenient for seals the valve port.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A combined valve cover, comprising a valve body (1), characterized in that: the valve body (1) is of a cylindrical structure, a top seat (11) is arranged at one end of the valve body (1), a valve rod (12) for opening and closing a valve port is arranged in the valve body (1), a push rod (2) is slidably arranged in the valve rod (12), and the end part of the push rod (2) extends out of the surface of the top seat (11);

one end of the push rod (2) far away from the footstock (11) is connected with a push plate (211), the push plate (211) slides inside a cover plate (21) connected with the end part of the valve rod (12), an air bag pad (4) for assisting the cover plate (21) to close a valve port is arranged on the outer side of the cover plate (21), and the air bag pad (4) is communicated with the cover plate (21) through a through hole (41).

2. The combination valve cover of claim 1, wherein: a sealing pad (212) for sealing the through hole (41) is arranged on one side of the push plate (211) close to the air bag pad (4).

3. The combination valve cover of claim 2, wherein: the end of the sealing gasket (212) is round.

4. The combination valve cover of claim 1, wherein: the two sides of the push plate (211) are provided with protruding blocks (213) for the push plate (211) to slide in the inner cavity of the cover plate (21), and sliding grooves attached to the outer walls of the protruding blocks (213) are symmetrically formed in the two sides of the inner cavity of the cover plate (21).

5. The combination valve cover of claim 1, wherein: one side of the push rod (2) close to the top seat (11) is provided with a fixing strip (22), and the fixing strip (22) is clamped in a groove (31) formed in the rod end (3) arranged on the outer wall of the top seat (11).