CN218208043U

CN218208043U - Detection, monitoring and protection structure for multiple sealing between valve body and valve cover of valve

Info

Publication number: CN218208043U
Application number: CN202222615259.XU
Authority: CN
Inventors: 洪文渊; 洪惠文
Original assignee: Jiangsu Huaying Valves Co ltd
Current assignee: Jiangsu Huaying Valves Co ltd
Priority date: 2022-10-01
Filing date: 2022-10-01
Publication date: 2023-01-03
Anticipated expiration: 2032-10-01

Abstract

The application provides a detection, monitoring and protection architecture of multiple sealed between valve body and the valve gap of valve, including valve body and valve gap, the valve body with be formed with a plurality of seal grooves or seal space when the valve gap assembly is in the same place, be provided with the cavity on the valve body, the cavity with the seal groove perhaps seal space intercommunication. The application provides a pair of detection, monitoring and protection architecture of multiple sealed between valve body and the valve gap of valve has solved the difficult problem of sealing performance's under the multiple sealed environment detection, monitoring and sealed protection, has advantages such as simple structure, detection efficiency height.

Description

Detection, monitoring and protection structure for multiple sealing between valve body and valve cover of valve

Technical Field

The application belongs to the sealing performance detection, monitoring and protection in the sealing field of mechanical equipment, and particularly relates to a detection, monitoring and protection structure for multiple sealing between a valve body and a valve cover of a valve.

Background

In most cases, the two parts of the mechanical equipment are assembled together and sealed by using a sealing ring or other parts with sealing functions. Some devices require multiple sealing rings to seal. However, at present, in the market, each sealing ring of a plurality of sealing rings used when two parts are assembled together in mechanical equipment cannot be detected independently, and the sealing performance of the sealing ring arranged inside cannot be monitored, namely, the sealing performance is protected. The detection, monitoring and protection of sealing performance in a multi-seal environment is a gap in the market technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a detection, monitoring and protection architecture of multiple sealed between valve body and the valve gap of valve, including valve body and valve gap, the valve body with be formed with a plurality of seal grooves or seal space when the valve gap assembly is in the same place, be provided with the cavity on the valve body, the cavity with the seal groove perhaps seal space intercommunication.

According to one embodiment of the application, a first channel and a second channel are arranged on the valve cover, the first channel is communicated with the second channel, and the cavity of the valve body is communicated with the second channel.

According to an embodiment of the application, the valve cover is further provided with a screw hole, one end of the screw hole is communicated with the first channel, and the other end of the screw hole is communicated with the atmosphere.

According to one embodiment of the application, the valve body has a first sealing surface, a second sealing surface and a third sealing surface, wherein the second sealing surface meets the first sealing surface on the one hand, and the second sealing surface meets the third sealing surface on the other hand, and the first sealing surface and the second sealing surface are at a predetermined angle, and the second sealing surface and the third sealing surface are at a predetermined angle.

According to an embodiment of the application, wherein the angle between the first sealing surface and the second sealing surface is 90 degrees and the angle between the second sealing surface and the third sealing surface is 90 degrees.

According to one embodiment of the application, the valve cover is provided with a fourth sealing surface and a fifth sealing surface, the fourth sealing surface and the fifth sealing surface are connected, and the included angle between the fourth sealing surface and the fifth sealing surface is 90 degrees.

According to an embodiment of the application, the second sealing surface and the third sealing surface of the valve body and the third sealing surface and the fourth sealing surface of the valve cover enclose a sealing space for placing a sealing body.

According to an embodiment of the present application, a further sealing groove or sealing space is provided in the valve cover, which groove or space engages with the first sealing surface of the valve body.

The application provides a detection, monitoring and protection architecture of multiple sealed between valve body and the valve gap of valve has solved the sealing performance's under the multiple sealed environment difficult problem of detection and monitoring, has advantages such as simple structure, detection efficiency height.

Drawings

Fig. 1 is a schematic structural view of a valve with a multi-seal detection, monitoring and protection structure between a valve body and a valve cover of the valve according to an embodiment of the present invention;

fig. 2 is a partial enlarged view of the multiple sealing detection, monitoring and protection structure in the valve of the detection, monitoring and protection structure for multiple sealing between the valve and the valve cover 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 are numbered with like associated elements. In the following description, numerous 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.

In addition, 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 sequentially exchanged or adjusted in a manner that can be obvious 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 constitute and/or sequence.

The numbering scheme used herein for the components as such, e.g., "first", "second", etc., is merely used to distinguish between the objects described and not to have any sequential or technical meaning. The terms "connected" and "coupled" when used herein, unless otherwise indicated, include both direct and indirect connections (couplings).

As shown in fig. 1, the present invention provides a schematic structural diagram of a valve with a multiple-sealing detection, monitoring and protection structure between a valve body and a valve cover of the valve. Fig. 2 is a partial enlarged view of a multiple sealing detection, monitoring and protection structure in a valve with the multiple sealing detection, monitoring and protection structure between the valve and the valve cover according to an embodiment of the present invention. The detection, monitoring and protection structure for multiple sealing between the valve body and the valve cover of the valve comprises a valve body 10 and a valve cover 20, wherein the valve body 10 and the valve cover 20 are connected together in a mechanical connection mode, and the connection mode comprises but is not limited to a screw connection mode, a welding mode, a riveting mode, a bonding mode and the like.

The valve body 10 has a first sealing surface 101, a second sealing surface 102 and a third sealing surface 103, the second sealing surface 102 meeting the first sealing surface 101 on the one hand, and the second sealing surface 102 meeting the third sealing surface 103 on the other hand.

The second sealing surface 102 and the first sealing surface 101 form a predetermined included angle, and in the preferred embodiment of the present application, the angle between the second sealing surface 102 and the first sealing surface 101 is 90 degrees.

The second sealing surface 102 and the third sealing surface 103 also form a predetermined included angle, and in the preferred embodiment of the present application, the angle between the second sealing surface 102 and the third sealing surface 103 is 90 degrees.

The valve cover 20 has a fourth sealing surface 201 and a fifth sealing surface 202, and the fourth sealing surface 201 and the fifth sealing surface 202 are adjacent and meet. The fourth sealing surface 201 and the fifth sealing surface 202 form a predetermined angle therebetween, and in a preferred embodiment of the present application, the angle between the fourth sealing surface 201 and the fifth sealing surface 202 is 90 degrees.

When the valve body 10 and the valve cover 20 are assembled together, a sealing space is formed between the second sealing surface 102 and the third sealing surface 103 of the valve body 10 and the fourth sealing surface 201 and the fifth sealing surface 202 of the valve cover 20, and the sealing space is used for placing a sealing body 30. After the sealing body 30 is placed in the sealing space, the edge of the sealing body 30 and the second sealing surface 102 and the third sealing surface 103 of the valve body 10 form sealing surfaces with the fourth sealing surface 201 and the fifth sealing surface 202 of the bonnet 20, thereby sealing the gap between the valve body 10 and the bonnet 20.

The valve cover 20 is further provided with another sealing groove 80, and when the valve body 10 and the valve cover 20 are assembled together, the first sealing surface 101 of the valve body 10 is engaged with the sealing groove 80, so that a sealing space is formed. A sealing strip 60 is placed in the sealing space to seal the gap between the bonnet 20 and the valve body 10.

The application provides a detection, monitoring and protection architecture of multiple sealed between valve body and valve gap of valve still includes a cavity 70, cavity 70 is located first sealed face 101 with between the second sealed face 102, cavity 70 is a cavity. The cavity 70 is in fluid communication with the sealing groove 80, that is, air or fluid is injected into the sealing groove 80 and flows into the cavity 70. The cavity 70 is also in fluid communication with the space formed between the valve body 10 and the bonnet 20 to accommodate the seal.

When the valve body 10 and the bonnet 20 are assembled together, the first sealing surface 101 of the valve body 10 and the sealing groove 80 are engaged, and if there is a gap between the first sealing surface 101 and the sealing groove 80, fluid exchange between the sealing groove 80 and the cavity 70 is enabled.

Similarly, when the valve body 10 and the bonnet 20 are assembled together, the space formed by the valve body 10 and the bonnet 20 to accommodate the sealing body has a gap, and then fluid is exchanged between the space and the cavity 70.

The application provides a detection of multiple sealed between valve body and valve gap of valve, monitoring and protection architecture still includes first passageway 40 and second passageway 50, first passageway 40 with the second passageway distributes on the valve gap 20.

Further, the first passage 40 and the second passage 50 are communicated, that is, fluid exchange between the first passage 40 and the second passage 50 is possible.

The second passage 50 is in communication with the cavity 70, i.e. fluid communication between the second passage 50 and the cavity 70 is possible.

The valve cover 20 is further provided with a screw hole 90, the screw hole 90 is communicated with the first passage 40, indirectly the screw hole 90 is communicated with the second passage 50, and further indirectly the screw hole 90 is communicated with the cavity 70.

Further, the screw hole 90 communicates with the outside atmosphere.

In the detection, monitoring and protection architecture of multiple sealed between valve body and the valve gap of a valve that this application provided, work as there is the gap between valve body 10 with a plurality of seal grooves when valve gap 20 assembles together, the gap with cavity 70 communicates, then with screw hole 90 communicates. When the valve body 10 and the valve cover 20 are assembled together, if a test medium is injected into the inner cavity of the valve body 10, the sealability at the first sealing surface 101 can be detected through the screw hole 90 communicating the first passage 40 and the second passage 50; if the screw hole 90 is connected to a monitoring device, the tightness at the first sealing surface 101 can be monitored; if protective gas such as nitrogen gas with pressure higher than the internal pressure of the valve body is injected into the seal groove between the valve body 10 and the valve cover 20 and the cavity 70, if the seal groove has good sealing performance, the nitrogen gas filled in the seal groove and the cavity 70 will not escape from the cavity 70; on the contrary, if the sealing performance of the sealing groove is not good, the nitrogen gas filled in the sealing groove and the cavity 70 can prevent the medium inside the valve body from leaking, so as to realize the protection of preventing the medium from leaking to the outside.

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

1. The utility model provides a detection, monitoring and protection architecture of multiple sealed between valve body and valve gap of valve, its characterized in that, includes valve body and valve gap, the valve body with be formed with a plurality of seal grooves or seal space when the valve gap assembly is in the same place, be provided with the cavity on the valve body, the cavity with the seal groove perhaps seal space intercommunication.

2. The structure of claim 1, wherein the valve cover has a first channel and a second channel, the first channel and the second channel are connected, and the cavity of the valve body and the second channel are connected.

3. The structure for detecting, monitoring and protecting multiple seals between a valve body and a valve cover of a valve according to claim 2, wherein the valve cover is further provided with a screw hole, one end of the screw hole is communicated with the first channel, and the other end of the screw hole is communicated with the atmosphere.

4. A valve detecting, monitoring and protecting structure for multiple seals between a valve body and a valve cover of a valve according to claim 3, wherein the valve body has a first sealing surface, a second sealing surface and a third sealing surface, wherein the second sealing surface is in contact with the first sealing surface on the one hand, the second sealing surface is in contact with the third sealing surface on the other hand, and the first sealing surface and the second sealing surface are at a predetermined angle therebetween, and the second sealing surface and the third sealing surface are at a predetermined angle therebetween.

5. A valve closure multiple seal detection, monitoring and protection arrangement according to claim 4, wherein the angle between the first and second sealing surfaces is 90 degrees and the angle between the second and third sealing surfaces is 90 degrees.

6. The valve of claim 5 wherein the valve cap has a fourth sealing surface and a fifth sealing surface, and the fourth sealing surface and the fifth sealing surface are joined at an angle of 90 degrees.

7. A valve closure multiple seal detecting, monitoring and protecting arrangement according to claim 6, wherein the second and third sealing surfaces of the valve body and the third and fourth sealing surfaces of the valve closure enclose a sealed space for placing a sealing body.

8. The valve of claim 7, wherein a sealing groove or a sealing space is further formed in the valve cover, and the sealing groove or the sealing space is engaged with the first sealing surface of the valve body.