CN217381694U - Sealing structure of valve device and valve device - Google Patents
Sealing structure of valve device and valve device Download PDFInfo
- Publication number
- CN217381694U CN217381694U CN202123437267.1U CN202123437267U CN217381694U CN 217381694 U CN217381694 U CN 217381694U CN 202123437267 U CN202123437267 U CN 202123437267U CN 217381694 U CN217381694 U CN 217381694U
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- sealing
- valve
- valve body
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- valve core
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/28—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with resilient valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a sealing structure of a valve device and the valve device, wherein the valve device comprises a sealing block, an elastic part and a sealing ring, the elastic part and the sealing ring are sleeved on the sealing block in sequence, and a valve core and a valve body are communicated through the sealing block; the sealing block is provided with a rigid sealing surface which can abut against the valve core to assemble and seal the sealing block and the valve core, the sealing ring is provided with a flexible sealing surface which can abut against the valve body to assemble and seal the sealing ring and the valve body. The utility model effectively seals the combination of the soft and hard parts between the valve core and the valve body, and the structure of the elastic piece is arranged, thereby further ensuring the sealing performance of the sealing structure for the assembly between the valve core and the valve body and avoiding the leakage between the valve core and the valve body; meanwhile, the distance between the rigid sealing surface and the flexible sealing surface on the sealing structure can be greatly adjusted by utilizing the structural characteristics of the elastic piece, so that the sealing structure is conveniently assembled between the valve core and the valve body.
Description
Technical Field
The utility model belongs to the technical field of the valve gear is sealed relevant, especially relate to a seal structure and valve gear of valve gear.
Background
At present, the sealing between the valve core and the valve body in the existing valve device door usually adopts the soft sealing of a sealing ring or the sealing mode of combining the sealing ring and a sealing block, and because the valve core needs to rotate relative to the valve body when the valve device body works, the sealing method can not play a strict sealing effect on the valve core and the valve body, thereby causing the situation of internal leakage when the valve device door works; on the other hand, because the assembly distance between the valve core and the valve body is always kept unchanged, the size of the existing sealing structure cannot be adjusted greatly, and the assembly of the sealing structure between the valve core and the valve body is very difficult.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a sealing structure of a valve device and a valve device for solving the above technical problems.
A sealing structure of a valve device is arranged between a valve core and a valve body and used for sealing the valve core and the valve body;
the sealing structure comprises a sealing block, an elastic part and a sealing ring, the elastic part and the sealing ring are sequentially sleeved on the sealing block, and the valve core and the valve body are communicated through the sealing block; the sealing block is provided with a rigid sealing surface which can abut against the valve core so as to assemble and seal the sealing block and the valve core, and the sealing ring is provided with a flexible sealing surface which can abut against the valve body so as to assemble and seal the sealing ring and the valve body.
In the application, through the structural arrangement of the sealing block, the elastic piece and the sealing ring, the sealing structure is abutted against the sealing valve core by using the rigid sealing surface and abutted against the valve body by using the flexible sealing surface, so that the sealing structure realizes the effective soft and hard combination sealing between the valve core and the valve body, the sealing of the dynamic side and the static side is respectively realized, and the structural arrangement of the elastic piece further ensures the sealing performance of the sealing structure on the assembly between the valve core and the valve body and avoids the leakage between the valve core and the valve body; meanwhile, the distance between the rigid sealing surface and the flexible sealing surface on the sealing structure can be greatly adjusted by utilizing the structural characteristics of the elastic piece, so that the sealing structure is convenient to assemble between the valve core and the valve body.
In one embodiment, the rigid sealing surface is configured to match the circular arc of the spherical surface on the valve element.
It can be understood that the rigid sealing surface is arranged to be a circular arc surface matched with the spherical surface on the valve core, so that the structural arrangement of the rigid sealing surface is realized, the joint degree of the rigid sealing surface and the valve core is increased when the rigid sealing surface is abutted against the valve core, and the sealing effect of the rigid sealing surface and the valve core is ensured when the rigid sealing surface is abutted against the valve core.
In one embodiment, the flexible sealing surface comprises a plurality of annular convex surfaces, and the annular convex surfaces are sequentially arranged on one end part of the sealing ring facing the valve body at intervals.
It can be understood that the flexible sealing surface is provided with a plurality of annular convex surfaces, so that the structural arrangement of the flexible sealing surface is realized, and the flexible sealing surface has the function of ensuring the sealing effect when the flexible sealing surface abuts against the valve body.
In one embodiment, the elastic member is mounted between the sealing block and the sealing ring in a pre-compressed manner, and the elastic member is capable of pushing the sealing block and the sealing ring in opposite directions, respectively.
It will be appreciated that the assembly of the elastic element between the sealing block and the sealing ring is achieved in particular by providing the elastic element with a precompression.
In one embodiment, the elastic member includes a plurality of wave springs, and the plurality of wave springs are stacked.
It can be understood that, by arranging the elastic member as a plurality of wave springs, thereby realizing the structural arrangement of the elastic member, the effect of prolonging the service life of the elastic member can be achieved by utilizing the structural characteristics of the wave springs.
In one embodiment, the sealing structure further comprises a spacer, the spacer is arranged between the sealing ring and the elastic piece, and the elastic piece can push the sealing ring through the spacer, so that the flexible sealing surface of the sealing ring is abutted against the valve body.
It can be understood that the structural arrangement of the spacer improves the stability of the stress of the sealing ring.
In one embodiment, the sealing block comprises a stop portion and a sleeve portion, the rigid sealing surface being provided on an end of the stop portion remote from the sleeve portion, the sleeve portion being partially inserted into the valve body in the direction of the valve body.
It will be appreciated that the structural arrangement of the sealing block is embodied by the structural arrangement of the sealing block described above.
In one embodiment, a boss is disposed on the block portion, and the rigid sealing surface is disposed on an end surface of the boss remote from the block portion.
It can be understood that, through the structural arrangement of the boss, the structural arrangement of the rigid sealing surface on the stop block part is realized, so that when the sealing structure is assembled between the valve core and the valve body, the tool pressing plate for compressing the sealing structure is attached to the stop block part for limiting, and the sealing structure is assembled to the position between the valve core and the valve body.
In one embodiment, the stopper portion is provided with a plurality of connecting ribs, and the plurality of connecting ribs are sequentially connected to the outer circumferential wall of the boss at intervals.
It can be understood that the stability of contact when the tool pressing plate is attached to the stop block part is further improved through the structural arrangement of the connecting convex rib.
The utility model discloses still ask to protect a kind of valve gear, including valve core, valve block and seal structure, the said seal structure is mounted to the position between said valve core and said valve block, in order to assemble and seal said valve core and said valve block; the sealing structure is the sealing structure.
Drawings
Fig. 1 is a schematic structural view of a sealing structure of a valve device according to an embodiment of the present application.
Fig. 2 is an exploded view of a sealing structure of a valve device provided in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a seal block in the present application.
Fig. 4 is a cross-sectional view of the seal structure of the present application as assembled between the valve cartridge and the valve body.
Fig. 5 is a partial cross-sectional view of the valve device of the present application.
Fig. 6 is a schematic structural view of a sealing structure of a valve device according to the present application when a tool platen is assembled to a valve body.
10, sealing blocks; 11. a rigid seal face; 111. a circular arc surface; 110. a stopper part; 1110. a boss; 1111. an outer peripheral wall; 1120. connecting the convex ribs; 120. a sleeve portion; 20. an elastic member; 210. a wave spring; 30. a seal ring; 31. a flexible sealing surface; 311. an annular convex surface; 40. a spacer; 410. flattening the cushion; 201. a valve core; 2011. spherical surface; 202. a valve body; 2021. the edge of the pipe orifice; 203. pressing a tool plate; 2031. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 4 and 5, the valve device provided by an embodiment of the present invention includes a valve core 201, a valve body 202 and a sealing structure, which are installed at a position between the valve core 201 and the valve body 202 for assembling and sealing the valve core 201 and the valve body 202. Specifically, the sealing structure is configured to seal the valve body 202 with the valve body 201.
As shown in fig. 1 and 2, the sealing structure of the present invention includes a sealing block 10, an elastic member 20 and a sealing ring 30, wherein the elastic member 20 and the sealing ring 30 are sequentially sleeved on the sealing block 10, and the valve core 201 and the valve body 202 are communicated through the sealing block 10.
Specifically, the sealing block 10 has a rigid sealing surface 11, and the rigid sealing surface 11 can abut against the valve core 201 to perform assembly sealing on the sealing block 10 and the valve core 201; the seal ring 30 has a flexible sealing surface 31, the flexible sealing surface 31 being capable of abutting the valve body 202 to seal the seal ring 30 to the valve body 202 in an assembled manner. That is to say, when the sealing structure is assembled between the valve element 201 and the valve body 202, the valve element 201 can be sealed hard, and the valve body 202 can be sealed soft, so that the effective sealing of soft and hard combination between the valve element 201 and the valve body 202 is realized. It should be noted that the sealing structure is assembled to a position between the valve core 201 and the valve body 202, the sealing block 10 partially extends into the valve body 202, and the flexible sealing surface 31 of the sealing ring 30 can abut against the nozzle edge 2021 of the valve body 202.
It can be understood that the sealing structure is provided with the elastic member 20 between the sealing ring 30 and the sealing block 10, so as to ensure the sealing performance of the sealing structure on the assembly between the valve core 201 and the valve body 202 and avoid the leakage between the valve core 201 and the valve body 202; in addition, by means of the structural arrangement of the elastic member 20, the distance between the rigid sealing surface 11 and the flexible sealing surface 31 for sealing the valve core 201 and the valve body 202 on the sealing structure can be adjusted greatly, and therefore the sealing structure is convenient to assemble between the valve core 201 and the valve body 202.
As shown in fig. 3 and 5, the rigid sealing surface 11 is configured to be an arc surface 111 matching with the spherical surface 2011 on the valve core 201, so that the structural configuration of the rigid sealing surface 11 is specifically realized, the fitting degree between the rigid sealing surface 11 and the valve core 201 is increased when the rigid sealing surface 11 abuts against the valve core 201, and the sealing effect between the rigid sealing surface 11 and the valve core 201 is ensured. Of course, it should be noted that the rigid sealing surface 11 is not limited to the illustration, and it is obvious to those skilled in the art that the rigid sealing surface 11 may be configured as a plane, and will not be further described herein.
As shown in fig. 1 and fig. 2, the flexible sealing surface 31 of the sealing ring 30 includes a plurality of annular convex surfaces 311, and the plurality of annular convex surfaces 311 are sequentially arranged at intervals on one end of the sealing ring 30 facing the valve body 202, so as to implement the structural arrangement of the flexible sealing surface, which has the function of ensuring the sealing effect of the flexible sealing surface 31 when the flexible sealing surface abuts against the valve body 202 and providing the supplement of the elastic margin to enhance the sealing effect. Preferably, the seal ring 30 may be an X-shaped seal ring. Of course, it should be noted that the flexible sealing surface 31 is not limited to the illustration, and it is obvious to those skilled in the art that the flexible sealing surface 31 may be configured as a plane, a cambered surface, or other shapes.
As shown in fig. 1, the elastic member 20 is installed between the sealing block 10 and the sealing ring 30 in a pre-compression manner, and the elastic member 20 can push the sealing block 10 and the sealing ring 30 in opposite directions, so as to implement the assembly of the elastic member 20 between the sealing block 10 and the sealing ring 30, such that the rigid sealing surface 11 on the sealing block 10 can abut against the valve plug 201, and the flexible sealing surface 31 on the sealing ring 30 can press and deform the valve body 202, thereby ensuring the assembly sealing performance of the sealing structure to the valve plug 201 and the valve body 202.
Specifically, the elastic member 20 includes a plurality of wave springs 210, and the plurality of wave springs 210 are stacked, so as to implement the structural arrangement of the elastic member 20, and the service life of the elastic member 20 can be prolonged by using the structural characteristics of the wave springs 210. The elastic member 20 may be provided as a single wave spring. Of course, the elastic member 20 is not limited to the wave spring 210, and it is obvious to those skilled in the art that the elastic member 20 may be provided as other springs such as a compression spring.
As shown in fig. 1 and 2, the sealing structure further includes a spacer 40, the spacer 40 is disposed between the sealing ring 30 and the elastic member 20, and the elastic member 20 can push the sealing ring 30 through the spacer 40, so that the flexible sealing surface 31 of the sealing ring 30 abuts against the valve body 202, thereby improving the stability of the force applied to the sealing ring 30.
In particular, the spacer 40 is provided as a flat pad 410, whereby the structural arrangement of the spacer 40 is embodied.
As shown in fig. 3, the seal block 10 includes a stopper portion 110 and a sleeve portion 120, the rigid seal surface 11 is disposed on an end portion of the stopper portion 110 away from the sleeve portion 120, and the sleeve portion 120 is partially inserted into the valve body 202 in a direction toward the valve body 202, thereby embodying the structure of the seal block 10.
The stopper portion 110 is provided with a boss 1110, and the rigid sealing surface 11 is disposed on an end surface of the boss 1110 away from the stopper portion 110, so as to specifically realize the structural arrangement of the rigid sealing surface 11 on the stopper portion 110, so that when the sealing structure is assembled between the valve element 201 and the valve body 202, the tool pressing plate 203 compressing the sealing structure can be used for limiting the abutting on the stopper portion 110, so as to assemble the sealing structure to the position between the valve element 201 and the valve body 202.
Furthermore, a plurality of connecting ribs 1120 are arranged on the block part 110, and the connecting ribs 1120 are sequentially connected to the outer peripheral wall 1111 of the boss 1110 at intervals, so as to further improve the contact stability of the tooling pressing plate 203 when the tooling pressing plate is attached to the block part 110. It should be noted that the tool pressing plate 203 is provided with a groove 2031 matching with the connecting rib 1120.
As shown in fig. 4, when the sealing structure is assembled to the valve body 202 and the valve core 201, the elastic member 20, the spacer 40 and the sealing ring 30 may be sequentially sleeved on the sleeve portion 120 of the sealing block 10, then the sleeve portion 120 on the sealing block 10 is aligned with the valve body 202 and inserted until the flexible sealing surface 31 on the sealing ring 30 abuts against the nozzle edge 2021 of the valve body 202, so as to achieve the assembly of the sealing structure on the valve body 202, then the tool pressure plate 203 abuts against the stopper portion 110 of the sealing block 10 and compresses the elastic member 20, and finally the valve core 201 is placed into the valve body 202, so as to achieve the assembly of the sealing structure to the position between the valve core 201 and the valve body 202, which has the effect of facilitating the assembly.
Additionally, the utility model discloses a be provided with anticorrosive coating on sealed piece 10 and the sealing washer 30 respectively to satisfy the user demand of this seal structure during operation between being applied to case 201 and the valve body 202.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. A sealing structure of a valve device is arranged between a valve core (201) and a valve body (202) of the valve device and is used for sealing the valve core (201) and the valve body (202);
the method is characterized in that: the sealing structure comprises a sealing block (10), an elastic part (20) and a sealing ring (30), wherein the elastic part (20) and the sealing ring (30) are sequentially sleeved on the sealing block (10), and the valve core (201) and the valve body (202) are communicated through the sealing block (10); the sealing block (10) is provided with a rigid sealing surface (11), the rigid sealing surface (11) can abut against the valve core (201) to carry out assembly sealing on the sealing block (10) and the valve core (201), the sealing ring (30) is provided with a flexible sealing surface (31), and the flexible sealing surface (31) can abut against the valve body (202) to carry out assembly sealing on the sealing ring (30) and the valve body (202).
2. A sealing structure of a valve device according to claim 1, characterized in that: the rigid sealing surface (11) is arranged to be matched with an arc surface (111) of a spherical surface (2011) on the valve core (201).
3. A sealing structure of a valve device according to claim 1, characterized in that: the flexible sealing surface (31) comprises a plurality of annular convex surfaces (311), and the annular convex surfaces (311) are sequentially arranged on one end part of the sealing ring (30) facing the valve body (202) at intervals.
4. A sealing structure of a valve device according to claim 1, characterized in that: the elastic member (20) is mounted between the seal block (10) and the seal ring (30) in a pre-compressed manner, and the elastic member (20) can push the seal block (10) and the seal ring (30) in opposite directions, respectively.
5. A sealing structure of a valve device according to claim 4, characterized in that: the elastic member (20) comprises a plurality of wave springs (210), and the wave springs (210) are stacked.
6. A sealing structure of a valve device according to claim 1, wherein: the sealing structure further comprises a spacer (40), the spacer (40) is arranged between the sealing ring (30) and the elastic piece (20), and the elastic piece (20) can push the sealing ring (30) through the spacer (40) so that the flexible sealing surface (31) of the sealing ring (30) abuts against the valve body (202).
7. A sealing structure of a valve device according to claim 1, characterized in that: the sealing block (10) comprises a stopper portion (110) and a sleeve portion (120), the rigid sealing surface (11) is arranged on one end portion, far away from the sleeve portion (120), of the stopper portion (110), and the sleeve portion (120) is partially inserted into the valve body (202) in the direction of the valve body (202).
8. A sealing structure of a valve device according to claim 7, wherein: a boss (1110) is arranged on the stop block part (110), and the rigid sealing surface (11) is arranged on one end face, far away from the stop block part (110), of the boss (1110).
9. A sealing structure of a valve device according to claim 8, wherein: the stop block part (110) is provided with a plurality of connecting convex ribs (1120), and the connecting convex ribs (1120) are sequentially connected to the outer peripheral wall (1111) of the boss (1110) at intervals.
10. A valve device comprises a valve core (201), a valve body (202) and a sealing structure, wherein the sealing structure is arranged between the valve core (201) and the valve body (202) and is used for assembling and sealing the valve core (201) and the valve body (202); the method is characterized in that: the seal structure is as defined in any one of claims 1 to 9 above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437267.1U CN217381694U (en) | 2021-12-30 | 2021-12-30 | Sealing structure of valve device and valve device |
| PCT/CN2022/134695 WO2023124692A1 (en) | 2021-12-30 | 2022-11-28 | Sealing structure of valve device and valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437267.1U CN217381694U (en) | 2021-12-30 | 2021-12-30 | Sealing structure of valve device and valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217381694U true CN217381694U (en) | 2022-09-06 |
Family
ID=83095232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123437267.1U Active CN217381694U (en) | 2021-12-30 | 2021-12-30 | Sealing structure of valve device and valve device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217381694U (en) |
| WO (1) | WO2023124692A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124692A1 (en) * | 2021-12-30 | 2023-07-06 | 浙江盾安人工环境股份有限公司 | Sealing structure of valve device and valve device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103059U (en) * | 1991-09-17 | 1992-04-29 | 石家庄市阀门三厂 | Elasticity sealed ball valve |
| US8205860B2 (en) * | 2006-08-14 | 2012-06-26 | Yongsheng Song | Valve with a structure for mitigating abrasive wear or galling of sealing surfaces between a seat ring and a closure member during their relative sliding contact with each other |
| CN112664679B (en) * | 2016-09-27 | 2023-05-05 | 株式会社电装 | Valve device |
| CN111133236B (en) * | 2018-03-09 | 2021-10-29 | Nok株式会社 | Sealing device and assembling method thereof |
| CN209909224U (en) * | 2019-05-20 | 2020-01-07 | 郑州中力泵阀制造有限公司 | Steel pipe welding ball valve |
| CN112240408B (en) * | 2020-09-09 | 2022-12-23 | 科科集团有限公司 | Conical oblique cutting sealing ball valve |
| CN217381694U (en) * | 2021-12-30 | 2022-09-06 | 盾安汽车热管理科技有限公司 | Sealing structure of valve device and valve device |
-
2021
- 2021-12-30 CN CN202123437267.1U patent/CN217381694U/en active Active
-
2022
- 2022-11-28 WO PCT/CN2022/134695 patent/WO2023124692A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124692A1 (en) * | 2021-12-30 | 2023-07-06 | 浙江盾安人工环境股份有限公司 | Sealing structure of valve device and valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023124692A1 (en) | 2023-07-06 |
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