CN217977473U - Sealed dustproof construction of fixed ball valve - Google Patents
Sealed dustproof construction of fixed ball valve Download PDFInfo
- Publication number
- CN217977473U CN217977473U CN202221792176.1U CN202221792176U CN217977473U CN 217977473 U CN217977473 U CN 217977473U CN 202221792176 U CN202221792176 U CN 202221792176U CN 217977473 U CN217977473 U CN 217977473U
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- China
- Prior art keywords
- valve
- sealing
- valve body
- valve seat
- ball
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- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 33
- 239000004519 grease Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a sealed dustproof construction of fixed ball valve aims at providing a simple structure, reasonable in design and sealed effect splendid sealed dustproof construction of fixed ball valve, including valve body and valve gap, the valve body fit has the spheroid, be provided with the control assembly that the control spheroid opened and close on the valve body, be provided with valve seat device between valve body and the valve gap, valve seat device is including setting up disk seat lock ring between valve body and valve gap, cooperation disk seat and the disk seat spring on disk seat lock ring and the seal assembly of setting between disk seat lock ring and valve gap, seal assembly arrange the upper and lower both sides of disk seat spring in.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a sealed dustproof construction of fixed ball valve.
Background
The ball valve has the advantages of small fluid resistance, small volume, light weight, simple structure, quick opening and closing, convenient installation and the like, so the ball valve is widely applied to industries such as petroleum refining, long-distance transmission pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power and the like, and plays a significant role in national economy.
The existing fixed ball valve is basically realized by superposing a rubber seal ring on a set of cylindrical valve seat spring and a fire-proof ring, and the existing fixed ball valve meets the corresponding fire-proof standard requirement. But dust and other impurity can be remained in the pipeline medium unavoidably, and dust and impurity pile up in the cylinder disk seat spring seat downthehole, and cylinder disk seat spring just can not freely compress, and dust and impurity pile up rubber seal around, just influence rubber seal sealing effect, lead to fixed ball valve to leak, can only be abandoned or return the factory and reprocess and use, and this has just led to the fact the wasting of resources, consequently, still remains in further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the sealed dustproof construction of a simple structure, reasonable in design and sealed effect splendid fixed ball valve that proposes.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a sealed dustproof construction of fixed ball valve, includes valve body and valve gap, the valve body fit in has the spheroid, be provided with the control assembly that the control spheroid opened and close on the valve body, be provided with the disk seat device between valve body and the valve gap, the disk seat device is including setting up disk seat lock ring between valve body and valve gap, cooperation disk seat and the disk seat spring on disk seat lock ring and setting up the seal assembly between disk seat lock ring and valve gap, seal assembly arrange the upper and lower both sides of disk seat spring in.
Preferably, the sealing assembly comprises a dustproof step arranged between the valve seat supporting ring and the valve cover, a first sealing ring arranged on the upper side of the valve seat spring and a second sealing ring arranged on the lower side of the valve seat spring, and the dustproof step is Z-shaped.
Preferably, a first O-shaped ring is arranged between the valve body and the valve cover, a second O-shaped ring is arranged between the valve cover and the valve seat support ring, and the first O-shaped ring and the second O-shaped ring are both made of rubber materials.
Preferably, the control assembly comprises a valve rod matched on the ball body and a worm wheel driving the valve rod, a bearing is sleeved on the valve rod, and the valve rod penetrates through the valve body and is matched with the ball body to form an anti-static steel ball.
Preferably, a grease injection valve is arranged on the valve cover, and one end of the grease injection valve penetrates into the valve seat support ring.
Preferably, the bottom of the valve body is provided with a blowdown valve and a bottom cover.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a fixed ball valve through seal assembly's structural design, can prevent effectively that dust impurity from getting into the sealed chamber of disk seat in the medium, the sealing performance of protection sealing washer.
2. The utility model discloses a fixed ball valve through the design of setting up the first sealing washer and the second sealing washer of both sides about the disk seat spring, can prevent effectively that dust impurity from getting into the disk seat spring position by the inner chamber, causes the disk seat card to die.
3. The first O-shaped ring and the second O-shaped ring are designed by adopting rubber sealing rings, so that the valve body and the valve cover are well sealed, and the ball valve can be ensured to obtain zero leakage at a bubble level under a small pressure difference.
Drawings
Fig. 1 is a structural diagram of a sealing dustproof structure of a fixed ball valve of the present invention;
fig. 2 is a partially enlarged view of a in fig. 1.
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 belong to the protection scope of the present invention.
Referring to fig. 1-2, a sealing dustproof structure of a fixed ball valve includes a valve body 1 and a valve cover 2, a ball 3 is fitted in the valve body 1, a control assembly 4 for controlling the opening and closing of the ball 3 is disposed on the valve body 1, a valve seat device 5 is disposed between the valve body 1 and the valve cover 2, the valve seat device 5 includes a valve seat support ring 51 disposed between the valve body 1 and the valve cover 2, a valve seat 52 and a valve seat spring 53 fitted on the valve seat support ring 51, and a sealing assembly 54 disposed between the valve seat support ring 51 and the valve cover 2, the sealing assembly 54 is disposed on the upper and lower sides of the valve seat spring 53, and by the structural design of the sealing assembly 54, dust impurities in a medium can be effectively prevented from entering a sealing cavity of the valve seat 52, the sealing performance of the sealing ring is protected, the structure is simple, the design is reasonable, and the sealing effect is excellent.
The seal assembly 54 includes the dustproof step 541 of setting between valve seat support ring 51 and valve gap 2, set up at the first sealing washer 542 of valve seat spring 53 upside and set up the second sealing washer 543 of valve seat spring 53 downside, dustproof step 541 is the Z style of calligraphy, seal assembly 54 avoids the interior dust impurity of medium to get into through dustproof step 541, prevent through first sealing washer 542 and second sealing washer 543 that dust impurity from getting into valve seat spring 53 position by the inner chamber and causing the valve seat 52 card to die, prevent the influence of dust impurity from two aspects inside and outside, sealing performance is splendid.
A first O-shaped ring 6 is arranged between the valve body 1 and the valve cover 2, a second O-shaped ring 7 is arranged between the valve cover 2 and the valve seat supporting ring 51, and the first O-shaped ring 6 and the second O-shaped ring 7 are both made of rubber materials.
The control component 4 comprises a valve rod 41 matched on the sphere 3 and a worm wheel 42 driving the valve rod 41, a bearing 43 is sleeved on the valve rod 41, the valve rod 41 penetrates through the valve body 1 and is matched with an anti-static steel ball 44 between the valve rod and the sphere 3, and the anti-static steel ball 44 can effectively play a role in preventing static electricity from causing fire.
The valve cover 2 is provided with the grease injection valve 8, one end of the grease injection valve 8 penetrates into the valve seat support ring 51, the grease injection valve 8 is convenient for filling lubricant, and the service life is prolonged.
The bottom of the valve body 1 is provided with a blow-down valve 9 and a bottom cover 10, and the blow-down valve 9 ensures the blow-down effect of the ball valve and is more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sealed dustproof construction of fixed ball valve, includes valve body and valve gap, the valve body fit in has the spheroid, be provided with the control assembly that the control spheroid opened and close on the valve body, be provided with disk seat device, its characterized in that between valve body and the valve gap: the valve seat device comprises a valve seat support ring arranged between the valve body and the valve cover, a valve seat and a valve seat spring which are matched on the valve seat support ring, and sealing components arranged between the valve seat support ring and the valve cover, wherein the sealing components are arranged on the upper side and the lower side of the valve seat spring.
2. The sealing and dust-proof structure of a stationary ball valve according to claim 1, wherein: the sealing assembly comprises a dustproof step arranged between the valve seat supporting ring and the valve cover, a first sealing ring arranged on the upper side of the valve seat spring and a second sealing ring arranged on the lower side of the valve seat spring, and the dustproof step is Z-shaped.
3. The sealing and dust-proof structure of a stationary ball valve according to claim 1, wherein: be equipped with first O type circle between valve body and the valve gap, be provided with second O type circle between valve gap and the disk seat lock ring, first O type circle and second O type circle all adopt the rubber material to make.
4. A sealing dustproof structure of a stationary ball valve according to claim 1, 2 or 3, wherein: the control assembly comprises a valve rod matched on the ball body and a worm wheel driving the valve rod, a bearing is sleeved on the valve rod, and the valve rod penetrates through the valve body and is matched with the ball body to form an anti-static steel ball.
5. The sealing and dust-proof structure of a stationary ball valve according to claim 4, wherein: the valve cover is provided with a grease injection valve, and one end of the grease injection valve penetrates into the valve seat support ring.
6. The sealing and dust-proof structure of a stationary ball valve according to claim 4, wherein: and a drain valve and a bottom cover are arranged at the bottom of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792176.1U CN217977473U (en) | 2022-07-08 | 2022-07-08 | Sealed dustproof construction of fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792176.1U CN217977473U (en) | 2022-07-08 | 2022-07-08 | Sealed dustproof construction of fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977473U true CN217977473U (en) | 2022-12-06 |
Family
ID=84277811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221792176.1U Active CN217977473U (en) | 2022-07-08 | 2022-07-08 | Sealed dustproof construction of fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977473U (en) |
-
2022
- 2022-07-08 CN CN202221792176.1U patent/CN217977473U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Haiping Inventor after: Li Huanyu Inventor after: Tong Yongyuan Inventor after: You Yunfeng Inventor after: Gong Fenglei Inventor after: Shen Jun Inventor before: Li Haiping Inventor before: Li Huanyu Inventor before: Tong Yongyuan Inventor before: You Yunfeng Inventor before: Gong Fenglei Inventor before: Shen Jun |
|
| CB03 | Change of inventor or designer information |