CN208381344U - A kind of valve seat compensation mechanism of middle line butterfly valve - Google Patents
A kind of valve seat compensation mechanism of middle line butterfly valve Download PDFInfo
- Publication number
- CN208381344U CN208381344U CN201820873215.8U CN201820873215U CN208381344U CN 208381344 U CN208381344 U CN 208381344U CN 201820873215 U CN201820873215 U CN 201820873215U CN 208381344 U CN208381344 U CN 208381344U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- valve
- disc spring
- compensation block
- compensated cavity
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
A kind of valve seat compensation mechanism of middle line butterfly valve, valve seat is mounted in valve body, the axial end of valve seat is abutted with valve body, compensated cavity is opened up on valve body, compensated cavity is located to be axially engaged on face with valve seat, setting disc spring and compensation block in compensated cavity, for compensation block between disc spring and valve seat, disc spring is compressive state.The beneficial effects of the utility model are: compensation block and disc spring structure, disc spring is initially in compressive state, when being reduced between butterfly plate upper and lower end faces and valve seat due to the mutual magnitude of interference of fretting wear, disc spring pushes compensation block to compress valve seat, make seal pressure needed for keeping valve seal between valve seat and butterfly plate, to guarantee to keep sealing between butterfly plate upper and lower end faces and valve seat, this structure extends the service life of valve seat, has saved the purchase cost of user.
Description
Technical field
The utility model relates to a kind of middle line butterfly valves, compensate machine more particularly to a kind of valve seat of middle line butterfly valve
Structure.
Background technique
Currently, middle line line with rubber wafer type butterfly valve, the seal pressure between butterfly plate and valve seat, are by between butterfly plate and valve seat
Initial interference and reach.During valve opening and closing, due to wearing for a long time, the magnitude of interference of valve seat is caused to be not enough to mention
For seal needed for must than pressure, valve seat must scrap replacement at this time, to increase purchase cost.
Utility model content
In order to overcome the disadvantages mentioned above of existing middle line butterfly valve, the utility model provides a kind of valve seat compensation mechanism.
Technical solution adopted by the utility model to solve its technical problems is a kind of valve seat compensation of middle line butterfly valve
Mechanism, valve seat are mounted in valve body, and the axial end of valve seat is abutted with valve body, open up compensated cavity on valve body, compensated cavity be located at
Valve seat axially engages on face, and setting disc spring and compensation block in compensated cavity, between disc spring and valve seat, disc spring is compensation block
Compressive state.
The beneficial effects of the utility model are: compensation block and disc spring structure, disc spring are initially in compressive state, when on butterfly plate
Lower when being reduced between both ends of the surface and valve seat due to the mutual magnitude of interference of fretting wear, disc spring pushes compensation block to compress valve seat, makes valve
Seal pressure needed for keeping valve seal between seat and butterfly plate, to guarantee to keep close between butterfly plate upper and lower end faces and valve seat
Envelope, this structure extend the service life of valve seat, have saved the purchase cost of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment.
In figure: 1. valve seats；2. valve body；3. axial end；4. compensated cavity；5. disc spring；6. compensation block；7. butterfly plate.
Specific embodiment
As shown in Figure 1, a kind of valve seat compensation mechanism of middle line butterfly valve, valve seat 1 are mounted in valve body 2, the axis of valve seat 1
End face 3 is abutted with valve body 2, and compensated cavity 4 is opened up on valve body 2, and compensated cavity 4 is located at in the mating surface of valve seat axial end 3, compensates
Setting disc spring 5 and compensation block 6 in chamber 4, compensation block 6 is between disc spring 5 and valve seat 1, and disc spring 5 is compressive state, when butterfly plate 7
When being reduced between upper and lower end faces and valve seat 1 due to the mutual magnitude of interference of fretting wear, disc spring 5 pushes compensation block 6 to compress valve seat
1, make seal pressure needed for keeping valve seal between valve seat 1 and butterfly plate 7, to guarantee 7 upper and lower end faces of butterfly plate and valve seat 1
Between keep sealing.
Claims (1)
1. a kind of valve seat compensation mechanism of middle line butterfly valve, valve seat are mounted in valve body, the axial end of valve seat is abutted with valve body,
It is characterized by: open up compensated cavity on valve body, the compensated cavity is located to be axially engaged on face with valve seat, in the compensated cavity
Disc spring and compensation block are set, and for the compensation block between disc spring and valve seat, the disc spring is compressive state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873215.8U CN208381344U (en) | 2018-06-07 | 2018-06-07 | A kind of valve seat compensation mechanism of middle line butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873215.8U CN208381344U (en) | 2018-06-07 | 2018-06-07 | A kind of valve seat compensation mechanism of middle line butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381344U true CN208381344U (en) | 2019-01-15 |
Family
ID=64969447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820873215.8U Active CN208381344U (en) | 2018-06-07 | 2018-06-07 | A kind of valve seat compensation mechanism of middle line butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381344U (en) |
-
2018
- 2018-06-07 CN CN201820873215.8U patent/CN208381344U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103711931B (en) | Combination material High Temperature High Pressure deslagging ball valve | |
| CN216590063U (en) | Pneumatic flange ball valve | |
| CN208381344U (en) | A kind of valve seat compensation mechanism of middle line butterfly valve | |
| CN101225886A (en) | Regulating valve special for chlorine | |
| CN210118471U (en) | Pressure balance type flip-chip bushing plug valve capable of adjusting sealing specific pressure on line | |
| CN208252799U (en) | Mostly driving bracing type parallel double-flashboard alloy seal magnetic force gate valve | |
| CN205896227U (en) | Double -gate board sealing gate valve | |
| CN216479020U (en) | Airtight single-gate valve | |
| CN209638416U (en) | The shut-off valve of the high service life of high leakproofness | |
| CN201925492U (en) | Double-wishbone spreading type butterfly valve | |
| CN212718349U (en) | Large-caliber low-leakage gate valve | |
| CN202732988U (en) | Balance cavity electric adjusting valve body provided with metal framework sealing ring | |
| CN220930233U (en) | Axial automatic adjusting compensation sealing structure of plug valve | |
| CN209213030U (en) | A kind of double sealing structure in pressure balance type regulating valve | |
| CN203374830U (en) | Automatic compensation butterfly valve | |
| CN206017965U (en) | A kind of novel pneumatic diaphragm valve | |
| CN221196122U (en) | Valve clack of regulating valve | |
| CN205978530U (en) | Serve as a contrast wear -resisting gum cover push -pull valve | |
| CN211715776U (en) | Single-seat regulating valve core structure with quick-change sealing surface | |
| CN111379899A (en) | Right-angle stop valve | |
| CN201170328Y (en) | Tri-eccentricity hard-sealing surge-proof adjustment butterfly valve | |
| CN213685320U (en) | Automatic compensation wear-resistant two-way sealing butterfly valve | |
| CN203374841U (en) | Low-friction flat gate valve | |
| CN204922052U (en) | Air supply auxiliary seal's combination material sluice valve that declines | |
| CN201723834U (en) | Valve cover sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |