CN203051797U - Self-adaption elastic valve seat varying with pressure - Google Patents
Self-adaption elastic valve seat varying with pressure Download PDFInfo
- Publication number
- CN203051797U CN203051797U CN 201320019616 CN201320019616U CN203051797U CN 203051797 U CN203051797 U CN 203051797U CN 201320019616 CN201320019616 CN 201320019616 CN 201320019616 U CN201320019616 U CN 201320019616U CN 203051797 U CN203051797 U CN 203051797U
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- pressure
- valve seat
- bearing surface
- self
- pressure bearing
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Abstract
The utility model discloses a self-adaption elastic valve seat varying with pressure. The self-adaption elastic valve seat is particularly suitable for a seal structure of a high performance butterfly valve. A valve seat is of a hollow structure, and a first pressure bearing face and a second pressure bearing face are arranged on two sides of the valve seat, are respectively and sequentially closed outwards to be merged at the position of an intersection point, and extend outwards along the intersection point to be provided with a first seal pressing plate and a second seal pressing plate. A sealed O-shaped ring is arranged between the first pressure bearing face and the second pressure bearing face, and a rectangular dish plate seal face is arranged on the inner sides of the first pressure bearing face and the second pressure bearing face. According to the self-adaption elastic valve seat varying with the pressure, the pressure bearing faces of the valve seat bear the pressure of fluid and deform, automatically deflect around the intersection point, the pressure is exerted on the rectangular dish plate seal face and pushes the rectangular dish plate seal face towards the dish plate, and tighter seal contact is produced between the rectangular dish plate seal face and the dish plate. The self-adaption elastic valve seat varying with the pressure is called an HIKICH type valve seat. A butterfly valve utilizing the self-adaption elastic valve seat varying with the pressure is called an HIKICH type butterfly valve.
Description
Technical field
The utility model relates to a kind of with pressure variation self adaption elastic seat.
Background technique
The general valve of using can satisfy requirements of one's work below rated pressure, along with the increase of service time and the change at random of pressure, the leakage phenomenon that causes because being not closed completely will take place common valve easily.
The valve seat of common butterfly valve, the sealing force of itself and valve seat dish version is certain, generally be that pressure is more little, its sealing effect is more good, because the sealing force of existing butterfly valve can not change self-regulation with pressure, under the big situation of pressure change, can between valve seat dish version and valve seat, produce certain clearance, and then produce the leakage of fluid.
The model utility content
The utility model overcomes above deficiency, provides a kind of and changes the self adaption elastic seat with pressure, realizes that the butterfly valve valve is with the purpose of change in fluid pressure self adaption adjusting tightness.
The technical solution of the utility model is as follows:
Change the self adaption elastic seat with pressure, valve seat is hollow structure, and the valve seat both sides are provided with first pressure-bearing surface and second pressure-bearing surface; First pressure-bearing surface and second pressure-bearing surface progressively draw in respectively outward, intersect at the joint place, and extend outward along joint and to be provided with first sealing clamp and second sealing clamp; Be provided with zero type circle of sealing in the middle of first pressure-bearing surface and second pressure-bearing surface; First pressure-bearing surface and the second pressure-bearing surface inboard are provided with the dish version sealing surface of rectangle.
Further, described zero type circle is elastic material.
Further, described zero type circle is made by rubber, silica gel or fluorine glue; Perhaps, described zero type circle is become by the metallic elastic system, as metal spring.
Further, two jiaos of the one side that contacts with the dish version of the dish version sealing surface of rectangle is circular arc.
The beneficial effects of the utility model:
Described in the utility model with pressure variation self adaption elastic seat, the pressing plate of butterfly valve is connected with the valve body of butterfly valve at the joint place, after first pressure-bearing surface or second pressure-bearing surface bear the pressure of flowing medium, first pressure-bearing surface or second pressure-bearing surface bear the pressure of fluid and are out of shape, first pressure-bearing surface or second pressure-bearing surface can be offset around joint automatically, rectangle dish version sealing surface is subjected to pressure that first pressure-bearing surface or second pressure-bearing surface transmit to the dish version, its with the dish version between produce to seal more closely and contact.
Along with the increase of hydrodynamic pressure, pressure-bearing surface is out of shape bigger, and displacement is bigger, and then promotes rectangle dish version sealing surface around the sealing effect that the joint rotation produces and the dish version is bigger, has reached with pressure variation self adaption and has regulated the purpose that seals.
Described in the utility modelly change the self adaption elastic seat with pressure and be called HIKICH type valve seat again.Use the butterfly valve of technical solutions of the utility model to be called HIKICH type butterfly valve.
Description of drawings
Accompanying drawing 2 is schematic representation that a kind of embodiment's valve seat of the utility model is used for butterfly valve.
Among the figure:
1, first pressure-bearing surface, 2, second pressure-bearing surface, 3, zero type circle, 4, dish version sealing surface, 5, first sealing clamp, 6, second sealing clamp, 7, joint, 8, valve rod, 9, valve seat-platen gap, 10, valve seat-valve body gap, 11, pressing plate, 12, the dish version, 13, valve body.
Embodiment
The leakage of common valve, except Sealing aging, the design of valve seat rationally also is an important reasons inadequately.Because existing valve seat is to seal according to the specified prestressing force index that designs, surpass predetermined value in case work as extraneous hydrodynamic pressure, valve will leak.
The utility model just is being based on a kind of like this reality, proposes a kind of design proposal with pressure variation self adaption elastic seat breakthroughly, below is described in detail.
As Fig. 1-2.
Change the self adaption elastic seat with pressure, the valve seat body is hollow structure, and the valve seat both sides are provided with first pressure-bearing surface 1 and second pressure-bearing surface 2; First pressure-bearing surface 1 and second pressure-bearing surface 2 progressively draw in respectively outward, intersect at joint 7 places, and extend outward along joint 7, are provided with first sealing clamp 5 and second sealing clamp 6.Be provided with zero type circle 3 of sealing in the middle of first pressure-bearing surface 1 and second pressure-bearing surface 2.
Described zero type circle 3 is elastic material, according to butterfly valve Environmental Conditions, medium, pressure difference, elasticity, the rigidity of zero type circle 3 of assembling, interpolation differ, in the hope of having corresponding elasticity and necessary rigidity with it, described zero type circle 3 is made by rubber, silica gel or fluorine glue, also can adopt the metallic elastic body, makes as metal spring, zero all type circles 3 are enclosed structure, become as a whole.
First pressure-bearing surface 1 and second pressure-bearing surface, 2 inboards are provided with the dish version sealing surface 4 of rectangle, and further, two jiaos of the one side that the dish version sealing surface 4 of rectangle contacts with dish version 12 can be arc-shaped structure.
Accompanying drawing 2 is schematic representation that a kind of embodiment's valve seat of the utility model is used for butterfly valve.Wherein, valve seat body first sealing clamp 5 and second sealing clamp 6 are installed on the valve body 13 by pressing plate 11, and pressing plate 11 forms with valve body 13 via first sealing clamp 5 and second sealing clamp 6 and is tightly connected.By operating valve lever 8, dish version 12 is tightly connected with dish version sealing surface 4.
, be provided with between second pressure-bearing surface 2 and the pressing plate 11 between valve seat-platen gap 9, the first pressure-bearing surfaces 1 and the valve body 13 and be provided with valve seat-valve body gap 10 towards pressing plate 11 1 sides at joint 7 places.
When fluid enters into valve seat-platen gap 9, the pressure of fluid acts on second pressure-bearing surface 2, perhaps, when fluid enters into valve seat-valve body gap 10, when the pressure of fluid acts on first pressure-bearing surface 1, valve seat deforms to the direction that fluid moves, and rotate around joint 7 automatically, be subjected to displacement, the dish version sealing surface 4 of the rectangle that contacts with 12 sealings of dish version is subjected to acting on the dish version 12 from the pressure on first pressure-bearing surface 1 or second pressure-bearing surface 2, makes dish version sealing surface 4 and dish version 12 form sealing intensity more closely.
Though this patent illustrated with reference to preferred embodiment and accompanying drawing, non-limiting yet above-mentioned explanation should be considered as illustrative, be familiar with variation and modification that this operator makes according to spirit of the present utility model, all should belong to the protection domain of this patent.
Claims (6)
1. change the self adaption elastic seat with pressure, it is characterized in that:
Valve seat is hollow structure, and the valve seat both sides are provided with first pressure-bearing surface and second pressure-bearing surface;
First pressure-bearing surface (1) and second pressure-bearing surface (2) progressively draw in respectively outward, intersect at joint (7) and locate, and extend outward along joint (7), are provided with first sealing clamp (5) and second sealing clamp (6);
Be provided with zero type circle (3) of sealing in the middle of first pressure-bearing surface (1) and second pressure-bearing surface (2);
First pressure-bearing surface (1) and second pressure-bearing surface (2) inboard are provided with the dish version sealing surface (4) of rectangle.
2. according to claim 1 with pressure variation self adaption elastic seat, it is characterized in that:
Described zero type circle (3) is elastic material.
3. according to claim 2 with pressure variation self adaption elastic seat, it is characterized in that:
Described zero type circle (3) is made by rubber, silica gel or fluorine glue.
4. according to claim 2 with pressure variation self adaption elastic seat, it is characterized in that:
Described zero type circle (3) is become by the metallic elastic system.
5. according to claim 4 with pressure variation self adaption elastic seat, it is characterized in that:
Described zero type circle (3) is made by metal spring.
6. according to claim 1 with pressure variation self adaption elastic seat, it is characterized in that:
Two jiaos of the one side that the dish version sealing surface (4) of rectangle contacts with the dish version is circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019616 CN203051797U (en) | 2013-01-10 | 2013-01-10 | Self-adaption elastic valve seat varying with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019616 CN203051797U (en) | 2013-01-10 | 2013-01-10 | Self-adaption elastic valve seat varying with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051797U true CN203051797U (en) | 2013-07-10 |
Family
ID=48734751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019616 Expired - Lifetime CN203051797U (en) | 2013-01-10 | 2013-01-10 | Self-adaption elastic valve seat varying with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051797U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075525A (en) * | 2013-01-10 | 2013-05-01 | 淄博汇华阀业有限公司 | Elastic valve seat adapting along with pressure change |
| CN103672014A (en) * | 2013-11-30 | 2014-03-26 | 无锡智能自控工程股份有限公司 | T-shaped elastic valve seat sealing structure of V-shaped adjusting ball valve |
| CN108167449A (en) * | 2017-12-29 | 2018-06-15 | 朱书红 | A kind of high-temperature sealing valve |
-
2013
- 2013-01-10 CN CN 201320019616 patent/CN203051797U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075525A (en) * | 2013-01-10 | 2013-05-01 | 淄博汇华阀业有限公司 | Elastic valve seat adapting along with pressure change |
| CN103672014A (en) * | 2013-11-30 | 2014-03-26 | 无锡智能自控工程股份有限公司 | T-shaped elastic valve seat sealing structure of V-shaped adjusting ball valve |
| CN103672014B (en) * | 2013-11-30 | 2017-01-04 | 无锡智能自控工程股份有限公司 | The V-type regulation T-shaped elastic seat of ball valve seals structure |
| CN108167449A (en) * | 2017-12-29 | 2018-06-15 | 朱书红 | A kind of high-temperature sealing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |