CN218208040U - Sealing structure of valve body and valve cover of valve - Google Patents
Sealing structure of valve body and valve cover of valve Download PDFInfo
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- CN218208040U CN218208040U CN202222599396.9U CN202222599396U CN218208040U CN 218208040 U CN218208040 U CN 218208040U CN 202222599396 U CN202222599396 U CN 202222599396U CN 218208040 U CN218208040 U CN 218208040U
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Abstract
The application provides a valve body of valve and seal structure of valve gap, a serial communication port, including valve gap, gasket and valve body, valve gap and valve body link together through mechanical connection, the valve gap with install the gasket between the valve body, the valve gap be equipped with the sealed face of gasket complex first sealed face, second, the valve body be equipped with the sealed face of gasket complex third, the sealed face of fourth, the sealed face of first sealed face and the sealed face of second of valve gap link together, the sealed face of third and the sealed face of fourth of valve body link together, wherein the sealed face of first and the second of valve gap with the sealed face of third and the sealed face of fourth of valve body surround and form a cavity, the cavity is used for placing the gasket. The application provides a valve body of this valve and seal structure of valve gap has solved effectively that sealed width is less, leads to the problem of sealed leakage, still has the advantage that makes simply, sealing performance is good.
Description
Technical Field
The application belongs to the sealing field of mechanical equipment, and particularly relates to a sealing structure of a valve body and a valve cover of a valve.
Background
There are many places in a mechanical device where sealing is required, such as where a gasket seal is required at the connection between two flanges. Some devices can seal by using a gasket, but some devices or apparatuses have a small sealing width due to limitations of structures, materials, spaces, and the like, and the sealing effect by using a general gasket is not ideal. For example, in valves such as cast floating ball valves, because the sealing width between the valve body and the valve cover is small, the sealing effect is not good when a general gasket and sealing surface structure is adopted, and the leakage and other situations are easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the application provides a valve body of valve and seal structure of valve gap, and it includes valve gap, gasket and valve body, and valve gap and valve body link together through mechanical connection, install the gasket between valve gap and the valve body, the valve gap be equipped with gasket complex first sealed face, the sealed face of second, the valve body be equipped with gasket complex third sealed face, the sealed face of fourth, the sealed face of first sealed face and the sealed face of second of valve gap link together, the sealed face of third and the sealed face of fourth of valve body link together, wherein the sealed face of first sealed face and the second of valve gap with the sealed face of third and the sealed face of fourth of valve body surround and form a cavity, the cavity is used for placing the gasket.
According to an embodiment of the present application, a predetermined included angle is provided between the first sealing surface and the second sealing surface of the valve cover, and the included angle is 90 degrees.
According to an embodiment of the present application, a predetermined included angle is set between the third sealing surface and the fourth sealing surface of the valve body, and the included angle is 90 degrees.
According to one embodiment of the present application, when the valve cover and the valve body are assembled together, the first sealing surface of the valve cover and the third sealing surface of the valve body overlap, and the second sealing surface of the valve cover and the fourth sealing surface of the valve body overlap.
According to one embodiment of the present application, the first sealing surface of the bonnet and the fourth sealing surface of the valve body are parallel, and the second sealing surface of the bonnet and the third sealing surface of the valve body are parallel.
According to an embodiment of the present application, wherein the cavity is a cuboid; the cavity is used for placing the gasket; the size of the cuboid in the width direction of the gasket is smaller than the size of the cuboid in the thickness direction of the gasket.
According to an embodiment of the present application, wherein the valve body further has an elongated surface, the elongated surface and the fourth sealing surface being engaged; the valve body is also provided with a limiting surface, the limiting surface is jointed with the extending surface, and an angle of 90 degrees is formed between the limiting surface and the extending surface; the valve cover is provided with a stopping surface, and the stopping surface is matched with the limiting surface of the valve body, so that the valve body and the valve cover are prevented from being assembled and kept at a preset position.
The application provides a valve body of this valve and valve gap's seal structure has solved effectively that sealed width is less, leads to the problem of sealed leakage, still has the advantage that makes simply, sealing performance is good.
Drawings
Fig. 1 is a schematic structural view of a sealing structure between a valve body and a valve cover of a valve according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a sealing structure between a valve body and a valve cover of a valve according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments have been given like element numbers associated therewith. In the following description, numerous specific details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in this specification in order not to obscure the core of the present application with unnecessary detail, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.
The numbering of the components herein, as such, "first", "second", etc., is used merely to distinguish between the objects depicted and not to imply any order or technical meaning. The terms "connected" and "coupled" as used herein, unless otherwise specified, include both direct and indirect connections (couplings).
As shown in fig. 1, it shows a schematic structural diagram of a sealing structure of a valve body and a valve cover of a valve, which comprises a valve cover 1 and a valve body 3, and the valve cover 1 and the valve body 3 are connected together by a mechanical connection, such as a screw connection, a welding connection or an adhesion connection. Of course, as another connection method, the valve cover 1 and the valve body 3 may be integrally formed.
A gasket 2 is arranged between the valve cover 1 and the valve body 3, and the gasket 2 is used for sealing a gap between the valve cover 1 and the valve body 3.
As shown in fig. 2, a close-up view of a sealing structure between a valve body and a valve cover of a valve is shown. The valve cover 1 is provided with a first sealing surface 1A and a second sealing surface 1B, the first sealing surface 1A is connected with the second sealing surface 1B, and a preset angle is formed between the first sealing surface 1A and the second sealing surface 1B.
Further, the included angle between the first sealing surface 1A and the second sealing surface 1B is 90 degrees.
The valve body 3 is provided with a third sealing surface 3A and a fourth sealing surface 3B, the third sealing surface 3A is connected with the fourth sealing surface 3B, and a preset angle is formed between the third sealing surface 3A and the fourth sealing surface 3B.
Further, the angle between the third sealing surface 3A and the fourth sealing surface 3B is 90 degrees.
When the valve cover 1 and the valve body 3 are assembled together, the first sealing surface 1A of the valve cover 1 and the third sealing surface 3A of the valve body 3 are overlapped together, and the second sealing surface 1B of the valve cover 1 and the fourth sealing surface of the valve body 3 are overlapped together.
Further, the first sealing surface 1A of the bonnet 1 is parallel to the fourth sealing surface 3B of the valve body 3, and the second sealing surface 1B of the bonnet 1 is parallel to the third sealing surface 3A of the valve body 3.
When the valve cover 1 and the valve body 3 are assembled together, the first sealing surface 1A and the second sealing surface 1B of the valve cover 1 and the third sealing surface 3A and the fourth sealing surface 3B of the valve body 3 surround a cavity, and the cavity is used for placing the gasket 2.
Further, the cavity is a cuboid.
The gasket 2 is matched with a cavity surrounded by the valve cover 1 and the valve body 3, and the cavity can be filled with the gasket 2.
Further, the gasket 2 is a cylinder, and a cavity surrounded by the gasket 2, the valve cover 1 and the valve body 3 of the cylinder is adapted to and can be filled with the cavity.
Further, the dimension of the gasket 2 in the width direction is smaller than the dimension of the gasket in the thickness direction.
The gasket 2 is provided with a sealing rib 21, and the sealing rib 21 is used for being jointed with the inner surface of a cavity surrounded by the valve cover 1 and the valve body 3, so that the sealing purpose is achieved.
Further, the sealing rib 21 may be fixedly connected with the gasket 2, movably connected with the gasket, or integrally formed. More specifically, the sealing ribs 21 may be fixedly coupled to the gasket 2 by means of screws or the like, may be coupled to the gasket 2 by means of a sliding coupling, and may slide relative to each other.
Furthermore, the sealing rib 21 has a first rib 211 and a second rib 212, and the first rib 211 and the second rib are distributed on the gasket 2.
Further, the first ribs 211 and the second ribs 212 may be distributed on the gasket 2 in a staggered manner, or may be distributed on the gasket 2 after the two ends of the first ribs 211 and the second ribs 212 are joined.
In one embodiment of the present application, the first rib 211 and the second rib 212 are joined at both ends.
Further, the first rib 211 and the second rib 212 may be arranged on the gasket 2 in a circular line after being joined at both ends, or may be arranged on the gasket 2 in a spiral line.
In a preferred embodiment of the present application, the first rib 211 and the second rib 212 are joined at both ends thereof to form a predetermined angle therebetween, and then distributed on the gasket 2.
Further, the included angle between the first rib 211 and the second rib 212 may be any angle, such as 0-360 degrees.
Further, in a preferred embodiment of the present application, the first rib and the second rib 212 are formed at an angle greater than 90 degrees and less than 180 degrees.
Just by the included angle between the first rib 211 and the second rib 212, the contact between the gasket 2 and the cavity surrounded by the valve cover 1 and the valve body 3 is firmer, so that the sealing effect is better.
The valve body 3 further has an extension surface 3C, and the extension surface 3C is engaged with the fourth sealing surface.
The valve body 3 is also provided with a limiting surface 4, the limiting surface 4 is jointed with the extension surface 3C, and an angle of 90 degrees is formed between the limiting surface 4 and the extension surface 3C.
Further, the valve cover 1 has a stopping surface 5, and the stopping surface 5 is matched with the limiting surface 4 of the valve body 3, so that the assembly between the valve body 3 and the valve cover 4 is prevented from being kept at a preset position.
The application provides a valve body of this valve and valve gap's seal structure has solved effectively that sealed width is less, leads to the problem of sealed leakage, still has the advantage that makes simply, sealing performance is good.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. The sealing structure is characterized by comprising a valve cover, a gasket and a valve body, wherein the valve cover and the valve body are connected together in a mechanical connection mode, the gasket is installed between the valve cover and the valve body, the valve cover is provided with a first sealing surface and a second sealing surface which are matched with the gasket, the valve body is provided with a third sealing surface and a fourth sealing surface which are matched with the gasket, the first sealing surface and the second sealing surface of the valve cover are connected together, the third sealing surface and the fourth sealing surface of the valve body are connected together, the first sealing surface and the second sealing surface of the valve cover and the third sealing surface and the fourth sealing surface of the valve body enclose to form a cavity, and the cavity is used for placing the gasket.
2. A sealing structure of a valve body and a valve cover of a valve according to claim 1, wherein a predetermined included angle is formed between the first sealing surface and the second sealing surface of the valve cover, and the included angle is 90 degrees.
3. A sealing structure of a valve body and a valve cover of a valve according to claim 2, wherein a predetermined included angle is formed between the third sealing surface and the fourth sealing surface of the valve body, and the included angle is 90 degrees.
4. A valve body and cap sealing structure for a valve according to claim 3, wherein when the cap and the valve body are assembled together, the first sealing surface of the cap and the third sealing surface of the valve body overlap, and the second sealing surface of the cap and the fourth sealing surface of the valve body overlap.
5. A valve body and valve cover sealing structure of a valve according to claim 4, wherein the first sealing surface of the valve cover and the fourth sealing surface of the valve body are parallel, and the second sealing surface of the valve cover and the third sealing surface of the valve body are parallel.
6. A sealing structure of a valve body and a valve cover of a valve according to claim 5, wherein the cavity is a cuboid; the cavity is used for placing the gasket; the size of the cuboid in the width direction of the gasket is smaller than the size in the thickness direction of the gasket.
7. A sealing structure of a valve body and a valve cover of a valve according to claim 6, wherein the valve body is further provided with an extended surface, and the extended surface is jointed with the fourth sealing surface; the valve body is also provided with a limiting surface, the limiting surface is jointed with the extending surface, and an angle of 90 degrees is formed between the limiting surface and the extending surface; the valve cover is provided with a stopping surface, and the stopping surface is matched with the limiting surface of the valve body, so that the valve body and the valve cover are prevented from being assembled and kept at a preset position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222599396.9U CN218208040U (en) | 2022-09-29 | 2022-09-29 | Sealing structure of valve body and valve cover of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222599396.9U CN218208040U (en) | 2022-09-29 | 2022-09-29 | Sealing structure of valve body and valve cover of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218208040U true CN218208040U (en) | 2023-01-03 |
Family
ID=84640341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222599396.9U Active CN218208040U (en) | 2022-09-29 | 2022-09-29 | Sealing structure of valve body and valve cover of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218208040U (en) |
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2022
- 2022-09-29 CN CN202222599396.9U patent/CN218208040U/en active Active
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