CN204312815U - A kind of bidirectional sealed butterfly valve - Google Patents
A kind of bidirectional sealed butterfly valve Download PDFInfo
- Publication number
- CN204312815U CN204312815U CN201420717273.3U CN201420717273U CN204312815U CN 204312815 U CN204312815 U CN 204312815U CN 201420717273 U CN201420717273 U CN 201420717273U CN 204312815 U CN204312815 U CN 204312815U
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- China
- Prior art keywords
- valve
- valve body
- butterfly
- valve seat
- seal ring
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of bidirectional sealed butterfly valve, comprise valve body, be arranged on butterfly plate in valve body and valve seat two way sealed assembly and be connected with butterfly plate for driving butterfly plate to open or the valve rod of valve body medium channel; Described valve body media channel slopes is arranged, and the axial direction of described valve body media passage is from the horizontal by 2-5 degree slanted angle; Described valve seat two way sealed assembly comprises the O RunddichtringO be installed in valve seat groove, press-fits O RunddichtringO and fall into the basin shape seal ring of valve seat groove and withstand the pressure ring of basin shape seal ring, and basin shape seal ring is limited in valve seat groove by described pressure ring adjustablely.Have structure simple, easy to make, use reliable, practical advantage, not only good sealing effect, reduce the damage in butterfly valve seal face; And medium is residual few, reduces old residual dielectric when regulating different medium to use and, to the pollution of new medium, avoid the permeation that residual dielectric may carry out; Also can reduce manipulation moment of torsion simultaneously.
Description
Technical field
The utility model relates to a kind of butterfly valve, particularly relates to a kind of bidirectional sealed butterfly valve, belongs to valve field.
Background technique
Butterfly valve is Flap valve again, is the simple modulating valve of a kind of structure, also can be used for the switch control rule of low pressure pipeline medium simultaneously.Butterfly valve refers to that closure member and flap or butterfly plate are disk, rotates a kind of valve reaching open and close around valve shaft, and on pipeline, main rising is cut off and throttling action.Butterfly valve open-shut device is a discoidal butterfly plate, rotates in valve body around the axis of himself, thus reaches the object opening and closing or regulate.Butterfly valve is applicable to carry on the pipeline of various corrosivity, non-corrosive fluids medium, for regulating and block the flowing of medium in the engineering systems such as producer, coal gas, rock gas, liquefied petroleum gas (LPG), town gas, air, chemical industry smelting and generation environment-friendly.
But in actual moving process, there is poor sealing performance, sealing shortcoming not reliably in butterfly valve; Simultaneously, medium channel is arranged in the horizontal direction, can cause there is no medium circulation period, there is certain media is trapped in medium channel, thus cause old residual dielectric to the pollution of new medium when regulating different medium, and residual dielectric permeation can occur to the sealing position of butterfly valve, prolonged permeation will reduce the sealability of butterfly valve.
Model utility content
Main purpose of the present utility model is, overcomes deficiency of the prior art, provides a kind of bidirectional sealed butterfly valve of new structure, is specially adapted to sealability and requires high situation.
Technical problem to be solved in the utility model be to provide structure simple, easy to make, use reliable, practical bidirectional sealed butterfly valve, not only good sealing effect, reduce the damage in butterfly valve seal face; And medium is residual few, reduces old residual dielectric when regulating different medium to use and, to the pollution of new medium, avoid the permeation that residual dielectric may carry out; Meanwhile, also can reduce manipulation moment of torsion, and there is the value in industry.
In order to achieve the above object, the technological scheme that the utility model adopts is:
A kind of bidirectional sealed butterfly valve, comprising valve body, being arranged on butterfly plate in valve body and valve seat two way sealed assembly and being connected with butterfly plate for driving butterfly plate to open or the valve rod of valve body medium channel; Described valve body media channel slopes is arranged, and the axial direction of described valve body media passage is from the horizontal by 2-5 degree slanted angle.
The utility model is set to further: the axial direction of described valve body media passage is from the horizontal by 3 degree of slanted angles.
The utility model is further set to: described valve seat two way sealed assembly comprises the O RunddichtringO be installed in valve seat groove, press-fits O RunddichtringO and fall into the basin shape seal ring of valve seat groove and withstand the pressure ring of basin shape seal ring, and basin shape seal ring is limited in valve seat groove by described pressure ring adjustablely.
The utility model is further set to: described basin shape seal ring comprises the conical section of middle straight section and straight section two ends.
The utility model is further set to: described pressure ring is locked in valve body by fastening screw trip bolt.
The utility model is further set to: an end face of described butterfly plate is provided with stiffening rib.
Compared with prior art, the beneficial effect that the utility model has is:
By the setting of valve seat two way sealed assembly, significantly promote the sealing usefulness of butterfly valve, provide elasticity support to the opening-closing process of butterfly valve, not only reduce and handle moment of torsion, and the sealing surface of protection butterfly valve; , arranged by the slanted angle of valve body media passage meanwhile, reduce medium and remain, thus when reducing the use of adjustment different medium, old residual dielectric, to the pollution of new medium, avoids the permeation that residual dielectric may carry out; Comprehensive, achieve efficient sealed residual with minute quantity medium, so use reliable, practical.
Foregoing is only the general introduction of technical solutions of the utility model, and in order to clearer understanding technological means of the present utility model, below in conjunction with accompanying drawing, the utility model will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bidirectional sealed butterfly valve of the utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of bidirectional sealed butterfly valve, comprising valve body 1, being arranged on butterfly plate 2 in valve body 1 and valve seat two way sealed assembly and being connected with butterfly plate 2 for driving butterfly plate 2 to open or the valve rod 3 of valve body medium channel 11; Described valve body media passage 11 is obliquely installed, and the axial direction of described valve body media passage 11 is from the horizontal by 2-5 degree slanted angle A; Described slanted angle A is preferably 3 degree.
Wherein, described valve seat two way sealed assembly comprise be installed in valve seat groove 12 li O RunddichtringO 4, press-fit O RunddichtringO 4 and fall into valve seat groove 12 basin shape seal ring 5 and withstand the pressure ring 6 of basin shape seal ring 5, basin shape seal ring 5 is limited in valve seat groove 12 by described pressure ring 6 adjustablely.Described basin shape seal ring 5 comprises the conical section 52 of middle straight section 51 and straight section two ends; Described pressure ring 6 is locked in valve body 1 by fastening screw trip bolt 7.In addition, an end face of described butterfly plate 2 also can be provided with stiffening rib.
Innovative point of the present utility model is, by the setting of valve seat two way sealed assembly and valve body media channel slopes, not only significantly promotes the sealing usefulness of butterfly valve, reduces and handles moment of torsion, the sealing surface of protection butterfly valve; And minimizing medium remains, and avoids the permeation that residual dielectric may carry out; Realize efficient sealed and minute quantity medium to remain, have structure simple, easy to make, use reliable, practical advantage.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a bidirectional sealed butterfly valve, is characterized in that: comprising valve body, being arranged on butterfly plate in valve body and valve seat two way sealed assembly and being connected with butterfly plate for driving butterfly plate to open or the valve rod of valve body medium channel; Described valve body media channel slopes is arranged, and the axial direction of described valve body media passage is from the horizontal by 2-5 degree slanted angle.
2. a kind of bidirectional sealed butterfly valve according to claim 1, is characterized in that: the axial direction of described valve body media passage is from the horizontal by 3 degree of slanted angles.
3. a kind of bidirectional sealed butterfly valve according to claim 1 and 2, it is characterized in that: described valve seat two way sealed assembly comprises the O RunddichtringO be installed in valve seat groove, press-fits O RunddichtringO and fall into the basin shape seal ring of valve seat groove and withstand the pressure ring of basin shape seal ring, and basin shape seal ring is limited in valve seat groove by described pressure ring adjustablely.
4. a kind of bidirectional sealed butterfly valve according to claim 3, is characterized in that: described basin shape seal ring comprises the conical section of middle straight section and straight section two ends.
5. a kind of bidirectional sealed butterfly valve according to claim 3, is characterized in that: described pressure ring is locked in valve body by fastening screw trip bolt.
6. a kind of bidirectional sealed butterfly valve according to claim 1, is characterized in that: an end face of described butterfly plate is provided with stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717273.3U CN204312815U (en) | 2014-11-26 | 2014-11-26 | A kind of bidirectional sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717273.3U CN204312815U (en) | 2014-11-26 | 2014-11-26 | A kind of bidirectional sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312815U true CN204312815U (en) | 2015-05-06 |
Family
ID=53135133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420717273.3U Expired - Fee Related CN204312815U (en) | 2014-11-26 | 2014-11-26 | A kind of bidirectional sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455623A (en) * | 2014-11-26 | 2015-03-25 | 苏州福润机械有限公司 | Two-way sealing butterfly valve |
-
2014
- 2014-11-26 CN CN201420717273.3U patent/CN204312815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455623A (en) * | 2014-11-26 | 2015-03-25 | 苏州福润机械有限公司 | Two-way sealing butterfly valve |
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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: 20150506 Termination date: 20151126 |