CN208816706U - A kind of novel butterfly valve - Google Patents
A kind of novel butterfly valve Download PDFInfo
- Publication number
- CN208816706U CN208816706U CN201821511401.3U CN201821511401U CN208816706U CN 208816706 U CN208816706 U CN 208816706U CN 201821511401 U CN201821511401 U CN 201821511401U CN 208816706 U CN208816706 U CN 208816706U
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- Prior art keywords
- valve
- valve shaft
- plate
- shaft
- axis body
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of novel butterfly valves, including valve body, valve shaft；The inside of valve body is hollow cavity；Valve shaft is set in the middle part of the inside of valve body, and valve shaft runs through the cavity of valve body along the vertical direction；The outer cover of valve shaft is equipped with valve plate；The outer end of valve plate is circumferentially arranged ceramic seal circle；The inner wall of valve body is provided with the ceramic-seal ring being in contact with ceramic seal circle；The lower part of valve shaft is arranged with valve seat, and valve seat is set to the bottom of valve body；Valve plate includes valve plate plate body, valve shaft set, valve shaft hole；Valve shaft set is set to the middle part of valve plate plate body, and the inside of valve shaft set vertically offers valve shaft hole；The shape in valve shaft hole is rectangular；Valve shaft is square shaft；The utility model structure is simple, easy for installation, has preferable leakproofness；Valve plate does not pass through pin with valve shaft and connects, and connective stability is good so that butterfly valve suitable for strong acid, highly basic liquid environment；Valve plate not will receive corrosion, extend the service life of valve plate, enhance butterfly valve job stability.
Description
Technical field
The utility model relates to a kind of butterfly valve more particularly to a kind of novel butterfly valves.
Background technique
Butterfly valve refers to that valve plate is rotated around valve shaft to realize a kind of valves of open and close, mainly risen on pipeline cutting and
Throttling action.The connection of the valve plate and valve shaft of the most of butterfly valves of existing market is to be connected by pin, but work as butterfly valve and be used in by force
When in sour, highly basic liquid environment, strong acid, highly basic can corrode pin, to damage valve plate, affect valve plate uses the longevity
Life, while the stability also connecting to valve plate with valve shaft causes adverse effect, influences the normal work of butterfly valve.
Utility model content
In order to solve shortcoming present in above-mentioned technology, the utility model provides a kind of novel butterfly valve.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of novel butterfly valve, including valve
Body, valve shaft；The inside of valve body is hollow cavity；Valve shaft is set in the middle part of the inside of valve body, and valve shaft runs through valve along the vertical direction
The cavity of body；The outer cover of valve shaft is equipped with valve plate；The outer end of valve plate is circumferentially arranged ceramic seal circle；The inner wall of valve body is arranged
There is the ceramic-seal ring being in contact with ceramic seal circle；The lower part of valve shaft is arranged with valve seat, and valve seat is set to the bottom of valve body；Valve
It is provided with No.1 gasket seal between seat and valve body, No.1 gasket seal is placed on the outside of valve shaft；
Valve plate includes valve plate plate body, valve shaft set, valve shaft hole；Valve shaft set is set to the middle part of valve plate plate body, and valve shaft covers interior
Portion vertically offers valve shaft hole；The shape in valve shaft hole is rectangular；
Valve shaft is square shaft；Valve shaft includes top axis body, lower part axis body；Lower part axis body is fixed on the lower end of top axis body；On
The diameter of axle of portion's axis body is greater than the diameter of axle of lower part axis body；The part of top axis body protrusion lower part axis body is located at the upper end of valve body；Top
No. three gasket seals are provided between the lower end and valve body of axis body；The shape of the radial section of lower part axis body and the shape in valve shaft hole
Match.
Upside, the downside of lower part axis body are respectively arranged with upper sealing ring slot, lower sealing ring slot；Upper sealing ring slot, lower sealing
The inside of annular groove is provided with No. two gasket seals.
The lower end of lower part axis body is provided with chamfering, and the angular range of chamfering is 30 °~45 °.
The utility model structure is simple, easy for installation, has preferable sealing performance；Valve plate and valve shaft are not connected by pin
Connect so that butterfly valve suitable for strong acid, highly basic liquid environment, the connective stability of valve plate and valve shaft is good；Valve plate not will receive
Corrosion, extends the service life of valve plate, enhances butterfly valve job stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of valve plate.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural schematic diagram of valve shaft.
In figure: 1, valve body；2, valve shaft；3, valve plate；4, ceramic-seal ring；5, ceramic seal circle；6, valve shaft set；7, valve shaft
Hole；8, valve seat；9, upper sealing ring slot；10, lower sealing ring slot；11, No. two gasket seals；12, top axis body；13, No. three sealings
Gasket；14, chamfering；15, No.1 gasket seal.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figure 1, a kind of novel butterfly valve, including valve body 1, valve shaft 2；The inside of valve body 1 is hollow cavity；Valve shaft 2
It is set in the middle part of the inside of valve body 1, valve shaft 2 runs through the cavity of valve body 1 along the vertical direction；The outer cover of valve shaft 2 is equipped with valve plate 3；
The outer end of valve plate 3 is circumferentially arranged ceramic seal circle 5；The inner wall of valve body 1 is provided with the ceramics being in contact with ceramic seal circle 5
Sealing ring 4；Ceramic-seal ring 4 is equipped with ceramic seal circle 5 so that butterfly valve has preferable sealing performance.
The lower part of valve shaft 2 is arranged with valve seat 8, and valve seat 8 is set to the bottom of valve body 1；It is provided between valve seat 8 and valve body 1
No.1 gasket seal 15, No.1 gasket seal 15 are placed on the outside of valve shaft 2, and No.1 gasket seal 15 is used under valve body 1
End is sealed.
As shown in Figure 2,3, valve plate 3 includes valve plate plate body, valve shaft set 6, valve shaft hole 7；Valve shaft set 6 is set to valve plate plate body
The inside at middle part, valve shaft set 6 vertically offers valve shaft hole 7；The shape in valve shaft hole 7 is rectangular；
As shown in figure 4, valve shaft 2 is square shaft；Valve shaft 2 includes top axis body 12, lower part axis body；Lower part axis body is fixed on top
The lower end of axis body 12；The diameter of axle of top axis body 12 is greater than the diameter of axle of lower part axis body；The part of the protrusion lower part axis body of top axis body 12
Positioned at the upper end of valve body 1；No. three gasket seals 13, No. three gasket seals are provided between the lower end and valve body 1 of top axis body 12
13 for being sealed the upper end of valve body 1.
The shape of the radial section of lower part axis body and the shape in valve shaft hole 7 match, and setting pin is not needed on valve plate 3
Hole, after rectangular valve shaft 2 to be inserted into rectangular valve shaft hole 7, rectangular four angle in valve shaft hole 7 can be completed well to valve shaft
2 positioning realizes that the rotation of valve shaft 2 drives valve plate 3 to rotate, to realize the unlatching of butterfly valve, close.The utility model structure letter
Single, easy for installation, suitable for strong acid, the liquid environment of highly basic, valve plate 3 not will receive corrosion, and extend valve plate 3 uses the longevity
Life enhances the stability of butterfly valve work.
Upside, the downside of lower part axis body are respectively arranged with upper sealing ring slot 9, lower sealing ring slot 10；Upper sealing ring slot 9, under
The inside of closure gasket groove 10 is provided with No. two gasket seals 11.When 2 run-off the straight during the work time of valve shaft, upper sealing ring
No. two gasket seals inside slot 9, lower sealing ring slot 10 play sealing function, ensure that the sealing to valve shaft 2.
The lower end of lower part axis body is provided with chamfering 14, and the angular range of chamfering 14 is 30 °~45 °, so that valve shaft 2 is assembling
When be easier in insertion valve shaft hole 7, installation is more convenient.
The utility model compared with prior art, has the advantage that
1) structure is simple, easy for installation, has preferable sealing performance；
2) valve plate does not pass through pin with valve shaft and connects so that butterfly valve suitable for strong acid, highly basic liquid environment, valve plate with
The connective stability of valve shaft is good；
3) valve plate not will receive corrosion, extend the service life of valve plate, enhance the stability of butterfly valve work；
4) lower end of lower part axis body is provided with chamfering, so that valve shaft is easier in insertion valve shaft hole in assembly, installation is more
It is convenient.
Above embodiment is not limitations of the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the scope of the technical solution of the utility model,
Also the protection scope of the utility model is belonged to.
Claims (3)
1. a kind of novel butterfly valve, it is characterised in that: including valve body (1), valve shaft (2)；The inside of the valve body (1) is hollow chamber
Body；The valve shaft (2) is set in the middle part of the inside of valve body (1), and valve shaft (2) runs through the cavity of valve body (1) along the vertical direction；It is described
The outer cover of valve shaft (2) is equipped with valve plate (3)；The outer end of the valve plate (3) is circumferentially arranged ceramic seal circle (5)；The valve
The inner wall of body (1) is provided with the ceramic-seal ring (4) being in contact with ceramic seal circle (5)；The lower part of the valve shaft (2) is arranged with
Valve seat (8), valve seat (8) are set to the bottom of valve body (1)；No.1 gasket seal is provided between the valve seat (8) and valve body (1)
(15), No.1 gasket seal (15) is placed on the outside of valve shaft (2)；
The valve plate (3) includes valve plate plate body, valve shaft set (6), valve shaft hole (7)；The valve shaft set (6) is set to valve plate plate body
The inside at middle part, the valve shaft set (6) vertically offers valve shaft hole (7)；The shape of the valve shaft hole (7) is rectangular；
The valve shaft (2) is square shaft；The valve shaft (2) includes top axis body (12), lower part axis body；The lower part axis body is fixed on
The lower end of top axis body (12)；The diameter of axle of the top axis body (12) is greater than the diameter of axle of lower part axis body；The top axis body (12)
The part of protrusion lower part axis body is located at the upper end of valve body (1)；It is provided between the lower end and valve body (1) of the top axis body (12)
No. three gasket seals (13)；The shape of the radial section of the lower part axis body and the shape of valve shaft hole (7) match.
2. novel butterfly valve according to claim 1, it is characterised in that: upside, the downside of the lower part axis body are respectively set
There are upper sealing ring slot (9), lower sealing ring slot (10)；The upper sealing ring slot (9), lower sealing ring slot (10) inside be provided with
No. two gasket seals (11).
3. novel butterfly valve according to claim 1, it is characterised in that: the lower end of the lower part axis body is provided with chamfering
(14), the angular range of chamfering (14) is 30 °~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511401.3U CN208816706U (en) | 2018-09-14 | 2018-09-14 | A kind of novel butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511401.3U CN208816706U (en) | 2018-09-14 | 2018-09-14 | A kind of novel butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816706U true CN208816706U (en) | 2019-05-03 |
Family
ID=66277293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511401.3U Expired - Fee Related CN208816706U (en) | 2018-09-14 | 2018-09-14 | A kind of novel butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728129A (en) * | 2020-12-29 | 2021-04-30 | 扬中市通发实业有限公司 | Butterfly valve structure applying self-heating type sealing ring |
-
2018
- 2018-09-14 CN CN201821511401.3U patent/CN208816706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728129A (en) * | 2020-12-29 | 2021-04-30 | 扬中市通发实业有限公司 | Butterfly valve structure applying self-heating type sealing ring |
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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: 20190503 Termination date: 20200914 |