CN204459201U - High pressure butterfly valve - Google Patents
High pressure butterfly valve Download PDFInfo
- Publication number
- CN204459201U CN204459201U CN201520092030.XU CN201520092030U CN204459201U CN 204459201 U CN204459201 U CN 204459201U CN 201520092030 U CN201520092030 U CN 201520092030U CN 204459201 U CN204459201 U CN 204459201U
- Authority
- CN
- China
- Prior art keywords
- valve body
- seal ring
- valve
- high pressure
- transmission shaft
- 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
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of high pressure butterfly valve, comprise valve body (8) and transmission shaft (1), bottom (14) is provided with in the bottom of valve body (8), transmission shaft (1) penetrates the bottom to valve body (8) from the upper end of valve body (8), valve plate (9) is also provided with in described valve body (8), transmission shaft (1) is through valve plate (9), the outside of described valve plate (9) is also provided with seal ring (17) and trim ring (19) successively, seal ring (17) is by valve body (8) and valve plate (9) sealing, the outer surface of described seal ring (17) is the conical surface, the thickness b of seal ring (17) is between 6-12mm, the eccentric c of axis of seal ring (17) is between 12-55mm, radial disbalance e is between 3-19.5mm, eccentric angle θ is between 7-19.5 °.The utility model avoid high-pressure liquid by time the situation of leaking, also solve the forward and reverse two way sealed through valve plate valve body of medium fluid.
Description
Technical field
The utility model relates to valve field, especially relates to a kind of high pressure butterfly valve.
Background technique
The seal ring of existing butterfly valve is the seal ring by sheet metal and flexible graphite gasket layered combination, being linear sealing when sealing, easily leaking by during butterfly valve at high-pressure liquid, especially when this medium fluid is inflammable medium, if leak, then harm is serious.
Model utility content
The utility model in order to solve current butterfly valve high-pressure liquid by time easily occur leak problem, for herein is provided a kind of high pressure butterfly valve, comprise valve body 8 and transmission shaft 1, be provided with bottom 14 in the bottom of valve body 8, transmission shaft 1 penetrates the bottom to valve body 8 from the upper end of valve body 8, is also provided with valve plate 9 in described valve body 8, transmission shaft 1 is through valve plate 9, the outside of described valve plate 9 is also provided with seal ring 17 and trim ring 19 successively, and valve body 8 and valve plate 9 seal by seal ring 17
The outer surface of described seal ring 17 is the conical surface, and the thickness b of seal ring 17 is between 6-12mm, and the eccentric c of axis of seal ring 17 is between 12-55mm, and radial disbalance e is between 3-19.5mm, and eccentric angle θ is between 7-19.5 °.
The utility model high pressure butterfly valve, the top and bottom of described seal ring 17 outer surface are symmetrical, and tapering is identical, and other ends are asymmetric.
The utility model high pressure butterfly valve, described seal ring 17 is solid steel loop.
The utility model high pressure butterfly valve, also be provided with lining 7 and filler 4 between described transmission shaft 1 and valve body 8, filler 4 is arranged on top, is provided with Packing seat 6 between filler 4 and lining 7, above filler 4, be also provided with Gland 3, above Gland 3, be provided with hold-down grid 2.
The utility model high pressure butterfly valve, is also provided with filler spacer 5 in the neutral position of filler 4.
The beneficial effects of the utility model are:
Linear sealing is become face sealing by the utility model, avoid high-pressure liquid by time the situation of leaking.And the design that axially bias, radial disbalance and eccentric angle three are eccentric of seal ring, solve the forward and reverse two way sealed through valve plate valve body of medium fluid.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is sectional view of the present utility model;
Fig. 2 is the A-A face view of Fig. 1;
Fig. 3 is the plan view of seal ring;
Fig. 4 is the plan view of seal ring.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
High pressure butterfly valve as depicted in figs. 1 and 2, comprise valve body 8 and transmission shaft 1, bottom 14 is provided with in the bottom of valve body 8, transmission shaft 1 penetrates the bottom to valve body 8 from the upper end of valve body 8, and be also provided with lining 7 and filler 4 between described transmission shaft 1 and valve body 8, filler 4 is arranged on body top, the neutral position of filler 4 is also provided with filler spacer 5, between filler 4 and lining 7, be provided with Packing seat 6, above filler 4, be also provided with Gland 3, above Gland 3, be provided with hold-down grid 2.
Valve plate 9 is also provided with in described valve body 8, transmission shaft 1 is through valve plate 9, the outside of described valve plate 9 is also provided with seal ring 17 and trim ring 19 successively, valve body 8 and valve plate 9 seal by seal ring 17, as shown in Figure 3 and Figure 4, seal ring 17 is solid steel loop, outer surface is the conical surface, the top and bottom of this conical surface are symmetrical, and tapering is identical, and other ends are asymmetric, the thickness b of seal ring 17 is between 6-12mm, the eccentric c of axis of seal ring 17 is between 12-55mm, and radial disbalance e is between 3-19.5mm, and eccentric angle θ is between 7-19.5 °.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (5)
1. a high pressure butterfly valve, comprise valve body (8) and transmission shaft (1), bottom (14) is provided with in the bottom of valve body (8), transmission shaft (1) penetrates the bottom to valve body (8) from the upper end of valve body (8), valve plate (9) is also provided with in described valve body (8), transmission shaft (1) is through valve plate (9), it is characterized in that: the outside of described valve plate (9) is also provided with seal ring (17) and trim ring (19) successively, seal ring (17) is by valve body (8) and valve plate (9) sealing, the outer surface of described seal ring (17) is the conical surface, the thickness b of seal ring (17) is between 6-12mm, the eccentric c of axis of seal ring (17) is between 12-55mm, radial disbalance e is between 3-19.5mm, eccentric angle θ is between 7-19.5 °.
2. high pressure butterfly valve according to claim 1, is characterized in that: the top and bottom of described seal ring (17) outer surface are symmetrical, and tapering is identical.
3. high pressure butterfly valve according to claim 1, is characterized in that: described seal ring (17) is solid steel loop.
4. high pressure butterfly valve according to claim 1, it is characterized in that: between described transmission shaft (1) and valve body (8), be also provided with lining (7) and filler (4), filler (4) is arranged on top, Packing seat (6) is provided with between filler (4) and lining (7), also be provided with Gland (3) in filler (4) top, Gland (3) top is provided with hold-down grid (2).
5. high pressure butterfly valve according to claim 4, is characterized in that: be also provided with filler spacer (5) in the neutral position of filler (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092030.XU CN204459201U (en) | 2015-02-09 | 2015-02-09 | High pressure butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092030.XU CN204459201U (en) | 2015-02-09 | 2015-02-09 | High pressure butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459201U true CN204459201U (en) | 2015-07-08 |
Family
ID=53666087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520092030.XU Expired - Fee Related CN204459201U (en) | 2015-02-09 | 2015-02-09 | High pressure butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459201U (en) |
-
2015
- 2015-02-09 CN CN201520092030.XU patent/CN204459201U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203880274U (en) | High-temperature pipeline flange | |
| CN104154232A (en) | Y-shaped sealing ring | |
| CN204459201U (en) | High pressure butterfly valve | |
| CN203906803U (en) | Wear-resistant seal ring | |
| CN104613176B (en) | A kind of self-pressurization sealing ring | |
| CN204647625U (en) | A kind of exhaust pipe seal gasket | |
| CN204664672U (en) | Band neck socket welding flange | |
| CN202852251U (en) | Flange sealing component | |
| CN104121366A (en) | High-pressure-resistant sealing ring | |
| CN203906809U (en) | Novel single seated valve switched off precisely | |
| CN107191700A (en) | Oil connection | |
| CN204358089U (en) | Self-tightening type abnormal-angle tooth surface double-cone ring pad | |
| CN203770658U (en) | High pressure seal ring for mining valves | |
| CN204611024U (en) | The valve of the seal ring with self-tightening sealing | |
| CN204004384U (en) | A kind of high-pressure-resistant sealed circle | |
| CN204961826U (en) | Sealed dual fail -safe disk seat lip circle | |
| CN204176194U (en) | A kind of high-temperature-resistant and anti-corrosion sealing flange | |
| CN204061928U (en) | A kind of single-seat adjusting valve sealing configuration | |
| CN202756825U (en) | Poly ethylene (PE) pipe counter flange | |
| CN204477330U (en) | A kind of three eccentric metal seal butterfly valve | |
| CN204459229U (en) | A kind of Wedge gate valve | |
| CN211599711U (en) | Novel valve sealing pair | |
| CN103511729A (en) | Center line butterfly valve with annular groove valve rod | |
| CN204083227U (en) | A kind of sealed type exhaust port pad | |
| CN106838315A (en) | A kind of Novel anti-leakage bonded washer |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190209 |