CN206754392U - A kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to - Google Patents
A kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to Download PDFInfo
- Publication number
- CN206754392U CN206754392U CN201720222121.XU CN201720222121U CN206754392U CN 206754392 U CN206754392 U CN 206754392U CN 201720222121 U CN201720222121 U CN 201720222121U CN 206754392 U CN206754392 U CN 206754392U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- upper valve
- valve body
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of valve, a kind of more particularly to wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to, including valve body, butterfly plate in valve body, valve rod located at butterfly plate both ends, valve seat between valve body and butterfly plate, located at the valve rod support of body top, handle above valve rod support, the utility model between valve rod and valve body by setting bushing, valve body and medium are effectively isolated by fitted seal structure, it is therefore prevented that Korrosionsmedium corrodes to valve body, strengthens valve body service life.
Description
Technical field
A kind of valve is the utility model is related to, more particularly to a kind of wafer type butterfly for preventing seepage damage valve body to be easily assembled to
Valve.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in construction, what the switch available for low pressure pipeline medium controlled
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling all kinds such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid.
Medium is flowed between valve rod and valve body easily by hole between valve rod and valve seat, with valve body contact, is had in medium
Valve body can be caused to damage when having compared with severe corrosive.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided one kind avoids being situated between
Matter corrosion valve body prevents seepage from damaging the wafer type butterfly valve that valve body is easily assembled to.
The utility model is to be achieved by the following technical programs：
A kind of wafer type butterfly valve for preventing seepage damage valve body to be easily assembled to, including valve body, the butterfly plate in valve body, if
Valve rod in butterfly plate both ends, the valve seat between valve body and butterfly plate, located at the valve rod support of body top, located at valve rod support
The handle of top, wherein,
The valve rod includes upper valve rod and lower valve rod, and the valve body is respectively equipped with upper valve rod cavity and lower valve rod in both sides up and down
Chamber, lower valve rod cavity connect with valve rod support, lower valve rod bottom of chamber portion by provided with bottom plate close, valve seat up and down both sides be respectively equipped with
Upper valve rod resigning mouthful and lower valve rod resigning mouthful, butterfly plate bottom are provided with lower valve rod groove, lower valve rod one end insertion lower valve rod groove, the other end
Through lower valve rod resigning mouthful and lower valve rod cavity is embedded in,
Upper valve rod keyway, upper valve rod bottom insertion upper valve rod keyway are provided with the top of butterfly plate, the other end sequentially passes through valve seat
Fixed after upper valve rod resigning mouthful, upper valve rod cavity and valve rod support with handle one end；
The upper valve rod intracavitary is provided with the upper valve rod cavity bushing of inwall, and upper valve rod cavity sleeve pastes neat valve seat, on
Valve-rod cavity top open part is provided with the Access Division that internal diameter expands, and upper valve rod cavity bushing is provided with the flange coordinated with Access Division, flange
Access Division is connected in, is set on the upside of flange and sets gradually elastomeric pad and top plate,
Upper valve rod annular mounting groove is provided with the middle part of the upper valve rod, upper stem seal is provided with upper valve rod annular mounting groove
Circle.
The upper valve rod cavity bushing is resistant material bushing.
The beneficial effects of the utility model are：
The utility model by setting bushing between valve rod and valve body, fitted seal structure by valve body and medium effectively every
From, it is therefore prevented that Korrosionsmedium corrodes to valve body, strengthens valve body service life.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is side structural representation of the present utility model.
In figure：1. valve body, 2. butterfly plates, 3. valve seats, 8. valve rod supports, 5. handles, 6. upper valve rods, 7. lower valve rods, 9. bottom plates,
11. upper valve rod cavity bushing, 12. flanges, 13. upper stem seal circles, 14. elastomeric pads, 15. top plates.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
As illustrated, the utility model includes valve body 1, and the butterfly plate 2 in valve body, the valve rod located at butterfly plate both ends, if
Valve seat 3 between valve body and butterfly plate, located at the valve rod support 8 of body top, the handle 5 above valve rod support, wherein,
The valve rod includes upper valve rod 6 and lower valve rod 7, and the valve body is respectively equipped with upper valve rod cavity and lower valve rod in both sides up and down
Chamber, lower valve rod cavity connect with valve rod support, lower valve rod bottom of chamber portion by provided with bottom plate 9 close, valve seat up and down both sides set respectively
There are upper valve rod resigning mouthful and lower valve rod resigning mouthful, butterfly plate bottom is provided with lower valve rod groove, and insertion lower valve rod groove in lower valve rod one end is another
Hold through lower valve rod resigning mouthful and embedded lower valve rod cavity,
Upper valve rod keyway, upper valve rod bottom insertion upper valve rod keyway are provided with the top of butterfly plate, the other end sequentially passes through valve seat
Fixed after upper valve rod resigning mouthful, upper valve rod cavity and valve rod support with handle one end；
The upper valve rod intracavitary is provided with the upper valve rod cavity bushing 11 of inwall, and upper valve rod cavity sleeve pastes neat valve seat,
Upper valve rod top of chamber opening is provided with the Access Division that internal diameter expands, and upper valve rod cavity bushing is provided with the flange 12 coordinated with Access Division,
Flange is connected in Access Division, is set on the upside of flange and sets gradually elastomeric pad 14 and top plate 15, is provided with the middle part of the upper valve rod upper
Valve rod annular mounting groove, upper valve rod annular mounting groove is interior to be provided with upper stem seal circle 13.
Preferably, the upper valve rod cavity bushing is resistant material bushing.
Upper valve rod cavity bushing separates valve rod with valve body, the Korrosionsmedium of infiltration rests on valve on the outside of upper valve rod
Between bar and bushing, lower stem seal circle separates bushing with valve rod with upper stem seal circle at middle part, prevents Korrosionsmedium
Upper valve rod top is permeated；
The Access Division that the internal diameter of upper valve rod top of chamber opening expands, mating flanges fix upper valve rod cavity bushing, and lead to
Cross elastomeric pad and top plate compresses so that upper valve rod cavity bushing is firm to be fixed.
The utility model by setting bushing between valve rod and valve body, fitted seal structure by valve body and medium effectively every
From, it is therefore prevented that Korrosionsmedium corrodes to valve body, strengthens valve body service life.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (2)
1. a kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to, it is characterised in that including valve body, located at valve body
Interior butterfly plate, the valve rod located at butterfly plate both ends, the valve seat between valve body and butterfly plate, located at the valve rod support of body top,
Handle above valve rod support, wherein,
The valve rod includes upper valve rod and lower valve rod, and the valve body is respectively equipped with upper valve rod cavity and lower valve rod cavity in both sides up and down, under
Valve-rod cavity connects with valve rod support, lower valve rod bottom of chamber portion by provided with bottom plate close, valve seat up and down both sides be respectively equipped with upper valve
Bar resigning mouthful and lower valve rod resigning mouthful, butterfly plate bottom are provided with lower valve rod groove, lower valve rod one end insertion lower valve rod groove, and the other end passes through
Lower valve rod resigning mouthful and embedded lower valve rod cavity,
Upper valve rod keyway, upper valve rod bottom insertion upper valve rod keyway are provided with the top of butterfly plate, the other end sequentially passes through the upper valve of valve seat
Fixed after bar resigning mouthful, upper valve rod cavity and valve rod support with handle one end；
The upper valve rod intracavitary is provided with the upper valve rod cavity bushing of inwall, and upper valve rod cavity sleeve pastes neat valve seat, upper valve rod
Top of chamber opening is provided with the Access Division that internal diameter expands, and upper valve rod cavity bushing is provided with the flange coordinated with Access Division, flange clamping
Set in Access Division, on the upside of flange and set gradually elastomeric pad and top plate,
Upper valve rod annular mounting groove is provided with the middle part of the upper valve rod, upper stem seal circle is provided with upper valve rod annular mounting groove.
2. a kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to according to claim 1, its feature exist
In the upper valve rod cavity bushing is resistant material bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720222121.XU CN206754392U (en) | 2017-03-08 | 2017-03-08 | A kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720222121.XU CN206754392U (en) | 2017-03-08 | 2017-03-08 | A kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754392U true CN206754392U (en) | 2017-12-15 |
Family
ID=60608940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720222121.XU Expired - Fee Related CN206754392U (en) | 2017-03-08 | 2017-03-08 | A kind of wafer type butterfly valve for preventing seepage damage valve body and being easily assembled to |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754392U (en) |
-
2017
- 2017-03-08 CN CN201720222121.XU patent/CN206754392U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |