CN221504005U - Cryogenic regulating butterfly valve - Google Patents
Cryogenic regulating butterfly valve Download PDFInfo
- Publication number
- CN221504005U CN221504005U CN202323624599.XU CN202323624599U CN221504005U CN 221504005 U CN221504005 U CN 221504005U CN 202323624599 U CN202323624599 U CN 202323624599U CN 221504005 U CN221504005 U CN 221504005U
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- CN
- China
- Prior art keywords
- valve
- butterfly
- cover
- lip
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a low-temperature cryogenic regulating butterfly valve, which comprises a valve body, a valve cover arranged on the valve body, a transmission device arranged on the valve cover, a valve rod connected with the transmission device and a butterfly plate arranged on the valve rod, wherein the valve cover is provided with a valve seat; the valve is characterized in that a lip-type structure valve seat for bidirectionally sealing the butterfly plate is arranged in the valve body; a valve seat insert is arranged on the lip-type structure valve seat; and a pre-positioning structure which is convenient for the installation of the valve cover is further arranged between the valve body and the valve cover. According to the butterfly valve, the two-way sealing of the butterfly plate is realized by adopting the lip-type valve seat, so that the sealing effect of the butterfly valve is improved; multiple sealing of the butterfly plate can be realized by facilitating the valve seat insert, and the lip-type structural valve seat can continuously seal the butterfly plate after the valve seat insert is worn, so that the service life of the butterfly valve is prolonged; the valve cover is positioned and installed on the valve body by utilizing the pre-positioning structure, so that the valve cover is convenient to install, and the valve cover is prevented from shifting during installation.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a cryogenic regulating butterfly valve.
Background
The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline medium, and is characterized in that a closing member (a valve clack or a butterfly plate) is a disc, and rotates around a valve shaft to achieve the purpose of opening and closing. Therefore, a low-temperature cryogenic regulating butterfly valve for improving the sealing performance and the service life of the butterfly valve is provided.
Disclosure of Invention
The utility model aims to solve the problems and provides a low-temperature cryogenic regulating butterfly valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a low-temperature cryogenic regulating butterfly valve comprises a valve body, a valve cover arranged on the valve body, a transmission device arranged on the valve cover, a valve rod connected with the transmission device and a butterfly plate arranged on the valve rod; the valve is characterized in that a lip-type structure valve seat for bidirectionally sealing the butterfly plate is arranged in the valve body; a valve seat insert is arranged on the lip-type structure valve seat; and a pre-positioning structure which is convenient for the installation of the valve cover is further arranged between the valve body and the valve cover.
Preferably, an inlay fixed to the lip-type valve seat is further mounted on the valve body.
Preferably, the pre-positioning structure comprises a plurality of pre-positioning bosses arranged on the valve body and pre-positioning grooves arranged on the valve cover and matched with the pre-positioning bosses.
Preferably, a sealing gasket is further installed between the valve body and the valve cover.
Preferably, a filler is also arranged between the valve rod and the valve cover; and a packing pressing plate fixed on the valve cover is arranged on the packing.
The utility model has the beneficial effects that: the two-way sealing of the butterfly plate is realized by adopting the lip-type structure valve seat, so that the sealing effect of the butterfly valve is improved;
multiple sealing of the butterfly plate can be realized by facilitating the valve seat insert, and the lip-type structural valve seat can continuously seal the butterfly plate after the valve seat insert is worn, so that the service life of the butterfly valve is prolonged;
The valve cover is positioned and installed on the valve body by utilizing the pre-positioning structure, so that the valve cover is convenient to install, and the valve cover is prevented from shifting during installation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is an enlarged view of a portion of fig. 1a of the present utility model.
Legend description: 1. a valve body; 101. inlay; 102. a sealing gasket; 2. a valve cover; 201. a filler; 202. a packing pressing plate; 3. a transmission device; 4. a valve stem; 5. a butterfly plate; 6. a lip-structured valve seat; 7. a valve seat insert; 8. a pre-positioning structure; 801. a pre-positioning boss; 802. and (5) presetting a groove.
Detailed Description
The utility model further provides a low-temperature cryogenic regulating butterfly valve with the following drawing.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are used in a broad sense, and for example, "affixed" may be either a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-3, a cryogenic regulating butterfly valve in this embodiment includes a valve body 1, a valve cover 2 mounted on the valve body 1, a transmission device 3 mounted on the valve cover 2, a valve rod 4 connected with the transmission device 3, and a butterfly plate 5 mounted on the valve rod 4; the valve is characterized in that a lip-type structure valve seat 6 for bidirectionally sealing the butterfly plate 5 is arranged in the valve body 1; a valve seat insert 7 is arranged on the lip-type structure valve seat 6; a pre-positioning structure 8 which is convenient for the installation of the valve cover 2 is arranged between the valve body 1 and the valve cover 2; when the butterfly plate 5 bears reverse pressure by adopting the lip-type structure valve seat 6, the lip-type structure valve seat 6 can press the butterfly plate 5 by means of medium pressure to realize bidirectional sealing of the butterfly plate 5, so that the sealing effect of the butterfly valve is improved; the butterfly plate 5 can be sealed in multiple ways by facilitating the valve seat insert 7, and the lip-type valve seat 6 can continuously seal the butterfly plate 5 after the valve seat insert 7 is worn, so that the service life of the butterfly valve is prolonged; the valve cover 2 is positioned and mounted on the valve body 1 by utilizing the positioning structure 8, so that the valve cover 2 is convenient to mount, and the valve cover 2 is prevented from being displaced during mounting.
Referring to fig. 1-2, the valve body 1 is further provided with an inlay 101 for fixing the lip-type valve seat 6; the lip type structure valve seat 6 is fixedly mounted on the valve body 1 by using the inlay 101, thereby facilitating the mounting of the lip type structure valve seat 6.
Referring to fig. 1 and 3, the pre-positioning structure 8 includes a plurality of pre-positioning bosses 801 provided on the valve body 1 and pre-positioning slots 802 provided on the valve cover 2 and adapted to the pre-positioning bosses 801; a sealing gasket 102 is also arranged between the valve body 1 and the valve cover 2; the valve cover 2 is positioned and installed on the valve body 1 by adapting the pre-positioning boss 801 on the valve body 1 with the pre-positioning groove 802 on the valve cover 2, thereby facilitating the positioning and installation of the valve cover 2.
Referring to fig. 1, a packing 201 is further installed between the valve rod 4 and the valve cover 2; the packing 201 is provided with a packing pressing plate 202 fixed to the valve cover 2.
In the working process of the utility model, when the valve rod is in operation, the transmission device 3 drives the valve rod 4 to rotate, the valve rod 4 drives the butterfly plate 5 to rotate, so that the valve body 1 is opened for medium circulation, and when the valve rod is not in operation, the transmission device 3 drives the valve rod 4 to reversely rotate, the valve rod 4 drives the butterfly plate 5 to rotationally reset, so that the butterfly plate 5 is contacted with the valve seat insert 7 on the lip-type structure valve seat 6, the butterfly plate 5 is sealed, and when the valve seat insert 7 is worn, the lip-type structure valve seat 6 can be contacted with the butterfly plate 5 to continuously seal the valve seat.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. A low-temperature cryogenic regulating butterfly valve comprises a valve body (1), a valve cover (2) arranged on the valve body (1), a transmission device (3) arranged on the valve cover (2), a valve rod (4) connected with the transmission device (3) and a butterfly plate (5) arranged on the valve rod (4); the valve is characterized in that a lip-type structure valve seat (6) for bidirectionally sealing the butterfly plate (5) is arranged in the valve body (1); a valve seat insert (7) is arranged on the lip-type structure valve seat (6); a pre-positioning structure (8) which is convenient for the installation of the valve cover (2) is arranged between the valve body (1) and the valve cover (2).
2. The cryogenic regulating butterfly valve of claim 1, wherein: an inlay (101) fixed to the lip-type valve seat (6) is also arranged on the valve body (1).
3. The cryogenic regulating butterfly valve of claim 1, wherein: the pre-positioning structure (8) comprises a plurality of pre-positioning bosses (801) arranged on the valve body (1) and pre-positioning grooves (802) arranged on the valve cover (2) and matched with the pre-positioning bosses (801).
4. A cryogenically cryogenic adjustment butterfly valve according to claim 3 wherein: a sealing gasket (102) is further arranged between the valve body (1) and the valve cover (2).
5. The cryogenic regulating butterfly valve of claim 1, wherein: a filler (201) is also arranged between the valve rod (4) and the valve cover (2); and a packing pressing plate (202) fixed on the valve cover (2) is arranged on the packing (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323624599.XU CN221504005U (en) | 2023-12-29 | 2023-12-29 | Cryogenic regulating butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323624599.XU CN221504005U (en) | 2023-12-29 | 2023-12-29 | Cryogenic regulating butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221504005U true CN221504005U (en) | 2024-08-09 |
Family
ID=92134468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323624599.XU Active CN221504005U (en) | 2023-12-29 | 2023-12-29 | Cryogenic regulating butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221504005U (en) |
-
2023
- 2023-12-29 CN CN202323624599.XU patent/CN221504005U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |