CN204610892U - Pulvis butterfly valve - Google Patents
Pulvis butterfly valve Download PDFInfo
- Publication number
- CN204610892U CN204610892U CN201520265148.8U CN201520265148U CN204610892U CN 204610892 U CN204610892 U CN 204610892U CN 201520265148 U CN201520265148 U CN 201520265148U CN 204610892 U CN204610892 U CN 204610892U
- Authority
- CN
- China
- Prior art keywords
- seal ring
- butterfly valve
- valve plate
- valve
- pulvis
- 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
Links
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000002457 bidirectional effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of pulvis butterfly valve, comprise butterfly valve body, O-ring seal and valve plate, described butterfly valve inner body wall has groove, seal ring is installed in described groove, valve plate to be installed in described butterfly valve body and to contact with described seal ring, and the surface of contact between described valve plate and described seal ring is tilted conical surface.The utility model pulvis butterfly valve is by changing the surface of contact between valve plate and seal ring into the bidirectional oblique conical surface simultaneously, during closedown, valve plate is pressed on seal ring inclined-plane, only there is a small amount of distortion in seal ring, and surface of contact does not exist relative movement, substantially there are not wearing and tearing between valve plate and seal ring, thus the sealing of butterfly valve can be ensured for a long time, and then extend the working life of butterfly valve, and the requirement of seal ring and valve plate is reduced, and then reduce cost of production.
Description
Technical field
The utility model relates to butterfly valve, is specifically related to a kind of being applied to and controls the discharge of granular material and the pulvis butterfly valve of closedown.
Background technique
The butterfly valve of existing routine as shown in Figure 1, it mainly utilizes the resiliently deformable of O-ring seal to realize sealing, when butterfly valve cuts out, valve plate cylndrical surface contacts with O-ring seal inner ring, extrude cushion rubber by force to make it be out of shape, expand, realize sealing, because the surface of contact of valve plate and O-ring seal is cylndrical surface, and the surface of contact of O-ring seal and valve plate is arc shaped surface, there is relative movement in two feature contacts faces, easy to wear, have impact on the working life of butterfly valve, simultaneously sealing and serviceability are subject to cushion rubber material, fit dimension, fatigue, aging etc. affect.
Application number be CN200620046445.4 patent discloses a kind of butterfly valve, it comprises valve body, valve body is provided with valve plate and valve rod, the periphery of valve rod is coated with rubber layer, rubber layer only need be coated on valve plate when making by this technological scheme, is then inserted in valve body by valve plate and installs, can ensure the sealing of valve inner, but its technological scheme is still the same with the butterfly valve described in Fig. 1, still there is above-mentioned defect.
Summary of the invention
The utility model object is to provide a kind of pulvis butterfly valve, to solve existing technological deficiency as shown in Figure 1 existing for butterfly valve.
In order to achieve the above object, the utility model provides following technological scheme:
Pulvis butterfly valve, comprise butterfly valve body, O-ring seal and valve plate, described butterfly valve inner body wall has groove, seal ring is installed in described groove, valve plate to be installed in described butterfly valve body and to contact with described seal ring, and the surface of contact between described valve plate and described seal ring is tilted conical surface.
The utility model pulvis butterfly valve is by changing the surface of contact between valve plate and seal ring into the bidirectional oblique conical surface simultaneously, during closedown, valve plate is pressed on seal ring inclined-plane, only there is a small amount of distortion in seal ring, and there is not relative movement in surface of contact, substantially there are not wearing and tearing between valve plate and seal ring, thus the sealing of butterfly valve can be ensured for a long time, and then extend the working life of butterfly valve;
Size deviation in addition between seal ring and valve plate is made up by adjustment valve plate closing angle, therebetween fit dimension requirement is reduced, the material of seal ring, sealability, compressive strain, making quality requirement are decreased simultaneously, Dimension of Valve Plate requires lower simultaneously, can rheo-die-casting shaping, reduce manufacturing procedure, raise the efficiency and working life, reduce costs.
One as the utility model pulvis butterfly valve is improved, and the cone angle of described tilted conical surface is 50-80 degree angle, to ensure there is not relative movement between valve plate and seal ring.
Another kind as the utility model pulvis butterfly valve improves, and described seal ring is rubber seal.
From the above, the utility model compared with prior art has following beneficial effect:
This practicality of the utility model is newly by changing the surface of contact between valve plate and seal ring into the bidirectional oblique conical surface simultaneously, during closedown, valve plate is pressed on seal ring inclined-plane, only there is a small amount of distortion in seal ring, and surface of contact does not exist relative movement, substantially there are not wearing and tearing between valve plate and seal ring, thus the sealing of butterfly valve can be ensured for a long time, and then extend the working life of butterfly valve, and the requirement of seal ring and valve plate is reduced, and then reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing conventional butterfly valve;
Fig. 2 is the structural representation of the utility model pulvis butterfly valve;
Fig. 3 is the structural representation of seal ring;
Fig. 4 is the structural representation of valve plate;
Fig. 5 is the erection drawing of the utility model pulvis butterfly valve;
In figure: 1 butterfly valve body, 2 seal rings, 3 valve plates, 4 valve plate closing angle mechanisms, 10 grooves.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with the Figure of description in the utility model, be clearly and completely described the technological scheme in model utility, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, for the structural representation of the pulvis butterfly valve of the utility model preferred embodiment, it comprises butterfly valve body 1, seal ring 2 and valve plate 3, wherein, described butterfly valve body 1 inwall has groove 10, seal ring 2 in the present embodiment is rubber seal, it is installed in described groove 10, valve plate 3 to be installed in described butterfly valve body 1 and to contact with described seal ring 2, as shown in Figure 3,4, surface of contact between described valve plate 3 and described seal ring 2 is tilted conical surface, and angle of taper is 50-80 degree angle, is preferably 65 degree of angles in the present embodiment.
This practicality is newly by changing the surface of contact between valve plate 3 and seal ring 2 into the bidirectional oblique conical surface simultaneously, when butterfly valve cuts out, valve plate 3 is pressed on seal ring 2 inclined-plane, there is a small amount of distortion in seal ring 2, and there is not relative movement in surface of contact, substantially there are not wearing and tearing between valve plate 3 and seal ring 2, thus the sealing of butterfly valve can be ensured for a long time, and then extend the working life of butterfly valve.
As shown in Figure 5, size deviation between seal ring 2 and valve plate 3 is made up by adjustment valve plate closing angle mechanism 4, therebetween fit dimension requirement is reduced, the material of seal ring 2, sealability, compressive strain, making quality requirement are decreased simultaneously, simultaneously also lower to valve plate 3 size requirement, and then the valve plate 3 in the utility model is that rheo-die-casting is shaping, reduces manufacturing procedure, raise the efficiency and working life, reduce costs.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. pulvis butterfly valve, comprise butterfly valve body, O-ring seal and valve plate, described butterfly valve inner body wall has groove, seal ring is installed in described groove, valve plate to be installed in described butterfly valve body and to contact with described seal ring, it is characterized in that, the surface of contact between described valve plate and described seal ring is tilted conical surface.
2. pulvis butterfly valve as claimed in claim 1, it is characterized in that, the cone angle of described tilted conical surface is 50-80 degree angle.
3. pulvis butterfly valve as claimed in claim 1, it is characterized in that, described seal ring is rubber seal.
4. pulvis butterfly valve as claimed in claim 1, it is characterized in that, described valve plate is by die cast gained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265148.8U CN204610892U (en) | 2015-04-29 | 2015-04-29 | Pulvis butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265148.8U CN204610892U (en) | 2015-04-29 | 2015-04-29 | Pulvis butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610892U true CN204610892U (en) | 2015-09-02 |
Family
ID=53963460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520265148.8U Expired - Fee Related CN204610892U (en) | 2015-04-29 | 2015-04-29 | Pulvis butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854761A (en) * | 2019-04-08 | 2019-06-07 | 江苏神通阀门股份有限公司 | A kind of valve base sealing structure of butterfly valve |
-
2015
- 2015-04-29 CN CN201520265148.8U patent/CN204610892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854761A (en) * | 2019-04-08 | 2019-06-07 | 江苏神通阀门股份有限公司 | A kind of valve base sealing structure of butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204610892U (en) | Pulvis butterfly valve | |
| CN105570461B (en) | A kind of aerofoil Follow-up seal structure | |
| CN104369346A (en) | Extrusion screw rod with spring and sealing ring | |
| CN105650276A (en) | Novel seal ring | |
| CN204176003U (en) | Air-driven type gate valve | |
| CN203906425U (en) | Air-control three-way reversing valve | |
| CN203309148U (en) | Leakproof structure of split butterfly plate of sterile subdivision butterfly valve | |
| CN103047416B (en) | Be suitable for the seal ring assembly of pressurized container | |
| CN203906773U (en) | Pneumatic valve sealing ring | |
| CN201377599Y (en) | Integrated sealing ring suitable for triple eccentric butterfly valve | |
| CN203743466U (en) | Slurry valve | |
| CN204286099U (en) | One is inlayed and is built refractory brick | |
| CN108443508A (en) | A kind of U-shaped sealing ring of valve | |
| CN104441563A (en) | Bevel-expanded sealing ring type extrusion screw | |
| CN103600443A (en) | Air spring capsule die convenient for blank taking | |
| CN201145047Y (en) | Bias T-shaped large caliber butterfly valve rubber seal ring | |
| CN203892297U (en) | Novel cylinder end cover sealing structure | |
| CN203979457U (en) | A kind of gate valve | |
| CN104819286A (en) | Sealing ring and hydraulic tensioner sealing structure | |
| CN205118285U (en) | Can reduce to open and close self sealss central line butterfly valve valve plate of moment of torsion | |
| CN209370509U (en) | A kind of ceramic hard-seal knife-shape gate valve | |
| CN202656274U (en) | Brick pressing die for disc-type brick press | |
| CN202152848U (en) | Special sealing gasket for fluid | |
| CN203239963U (en) | Floating sealing type three-eccentric center butterfly valve | |
| CN205842024U (en) | The integrated formed structure of 84 ° of female adapters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |