CN204459195U - The hard seal butterfly valve that a kind of Double-clack is board-like - Google Patents
The hard seal butterfly valve that a kind of Double-clack is board-like Download PDFInfo
- Publication number
- CN204459195U CN204459195U CN201420736292.0U CN201420736292U CN204459195U CN 204459195 U CN204459195 U CN 204459195U CN 201420736292 U CN201420736292 U CN 201420736292U CN 204459195 U CN204459195 U CN 204459195U
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- Prior art keywords
- valve
- valve shaft
- flap
- hole
- double
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002457 bidirectional Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000051 modifying Effects 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model relates to the board-like hard seal butterfly valve of a kind of Double-clack, comprise valve body, be arranged on the endoceliac valve seat of valve of valve body, be arranged on the flap in valve seat, the lower valve shaft being arranged on the upper valve shaft in the upper valve shaft axle track of valve body and being arranged in the lower valve shaft axle track of valve body, described upper valve shaft is connected with flap respectively with lower valve shaft, described flap comprises two blocks of flap plates be arranged in parallel and the gusset being connected flap plate, described gusset top is provided with the upper flap hole with upper valve shaft loose fit, bottom is provided with the lower Disc hole with lower valve shaft loose fit, the center periphery of described valve seat interior surface is provided with groove, the sealing surface shape of described flap outer rim coordinates with the groove shapes on valve seat and is provided with gap.Compared with prior art, the utility model has that structure is simple, applicability is wide, the advantages such as two way sealed.
Description
Technical field
The utility model relates to a kind of butterfly valve, especially relates to the hard seal butterfly valve that a kind of Double-clack is board-like.
Background technique
Butterfly valve is Flap valve again, it is the simple modulating valve of a kind of structure, the butterfly valve that can be used for the switch control rule of low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, rotate a kind of valve reaching open and close around valve shaft, valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.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.
The patent No. is that the Chinese patent of CN202493692U discloses two plate, two-seater, bidirectional metal hard-sealing butterfly valve, this butterfly valve have employed the structure of double valve plates and double-valve-seat, two valve plates are provided with sealing surface, sealed with corresponding two valve seats by metal o-ring, this butterfly valve is sealed by the mode of seal ring, complicated structure, cost is higher.
Model utility content
The purpose of this utility model be exactly provide that a kind of structure is simple to overcome defect that above-mentioned prior art exists, applicability is wide, the hard seal butterfly valve that the Double-clack of two way sealed is board-like.
The purpose of this utility model can be achieved through the following technical solutions:
The hard seal butterfly valve that a kind of Double-clack is board-like, comprise valve body, be arranged on the endoceliac valve seat of valve of valve body, be arranged on the flap in valve seat, the lower valve shaft being arranged on the upper valve shaft in the upper valve shaft axle track of valve body and being arranged in the lower valve shaft axle track of valve body, described upper valve shaft is connected with flap respectively with lower valve shaft, described flap comprises two blocks of flap plates be arranged in parallel and the gusset being connected flap plate, described gusset top is provided with the upper flap hole with upper valve shaft loose fit, bottom is provided with the lower Disc hole with lower valve shaft loose fit, the center periphery of described valve seat interior surface is provided with groove, the sealing surface shape of described flap outer rim coordinates with the groove shapes on valve seat and is provided with gap.
Described valve seat in tubular construction, and just connects with valve body chamber, and described valve seat is provided with upper valve base hole and lower valve base hole, and the string of described channel section is wider than the diameter in upper valve base hole and lower valve base hole.
Described upper flap hole is square, described upper valve base hole is circular, and described upper valve shaft is square boss structure, is provided with gap between described upper valve shaft and upper flap hole.
Described lower Disc hole is circular, and described lower valve base hole is circular, and described lower valve shaft is round boss structure, is provided with gap between described lower valve shaft and lower Disc hole.
Described lower valve shaft is fixed in lower valve shaft axle track by seal ring.
Be provided with O type ring recess in described upper valve shaft axle track, O type ring recess inside is provided with the O RunddichtringO sealed with upper valve shaft.
Described upper valve shaft axle track, lower valve base hole, upper valve base hole and lower valve shaft axle track coaxial line.
Be provided with a pair connecting plate to described valve body outer symmetrical.
Compared with prior art, the utility model has the following advantages:
One, structure is simple, and butterfly valve of the present utility model is only made up of five parts, and structure is simply easy to installation and removal.
Two, applicability is wide, and this butterfly valve adopts metal hard sealing structure, is applicable to the fluid of water, oil, other chemical mediator.
Three, two way sealed, this butterfly valve adopts the sealing configuration of the two eccentric spherical of Double-clack, when being subject to forward and reverse pressure, flap can move along pressure direction in valve seat recess space, final and valve seat is close to and is realized two-way tight seal, good seal performance, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A face of the present utility model sectional view.
Fig. 3 is B-B face of the present utility model sectional view.
Fig. 4 is the partial enlarged drawing in upper flap hole of the present utility model.
Fig. 5 is the partial enlarged drawing in lower Disc hole of the present utility model.
Fig. 6 is valve flap structure schematic diagram of the present utility model.
Fig. 7 is valve seat scheme of installation of the present utility model.
Wherein: 1, valve body, 2, valve seat, 3, flap, 4, upper valve shaft, 5, lower valve shaft, 11, valve body chamber, 12, upper valve shaft axle track, 121, O type ring recess, 13, lower valve shaft axle track, 21, upper valve base hole, 22, lower valve base hole, 23, groove, 31, flap plate, 32, gusset, 33, upper flap hole, 34, lower Disc hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As Figure 1-5, the hard seal butterfly valve that a kind of Double-clack is board-like, comprise valve body 1, be arranged on the valve seat 2 in the valve body chamber 11 of valve body 1, be arranged on the flap 3 in valve seat 2, the lower valve shaft 5 being arranged on the upper valve shaft 4 in the upper valve shaft axle track 12 of valve body 1 and being arranged in the lower valve shaft axle track 13 of valve body 1, valve seat 2 in tubular construction, and just connect with valve body chamber 11, upper valve shaft 4 and lower valve shaft 5 are each passed through the upper valve base hole 21 be arranged on valve seat 2 and are connected with flap 3 with lower valve base hole 22, upper flap hole 33 is square, upper valve base hole 21 is circular, upper valve shaft 4 is square boss structure, lower Disc hole 34 is circular, lower valve base hole 22 is circular, lower valve shaft 5 is round boss structure, lower valve shaft 5 is fixed in lower valve shaft axle track 13 by seal ring, upper valve shaft axle track 12, lower valve base hole, upper valve base hole 21 22 and lower valve shaft axle track 13 coaxial line, O type ring recess 121 is provided with in upper valve shaft axle track 12, O type ring recess 121 inside is provided with the O RunddichtringO sealed with upper valve shaft, be provided with a pair connecting plate to valve body 1 outer symmetrical.
As shown in Figures 6 and 7, flap 3 comprises two blocks of flap plates 31 be arranged in parallel and the gusset 32 being connected flap plate 31, gusset 32 top is provided with the upper flap hole 33 with the loose fit of upper valve shaft 4, bottom is provided with the lower Disc hole 34 with lower valve shaft 5 loose fit, the center periphery of valve seat 2 internal surface is provided with groove 23, the string in groove 23 cross section is wider than the diameter in upper valve base hole 21 and lower valve base hole 22, groove 23 form fit on the sealing surface shape of flap 3 outer rim and valve seat 2 and be provided with gap.
When this butterfly valve is closed be subject to forward or backpressure time, under action of a fluid, promote the flow direction of flap 3 to fluid in the groove (23) of valve seat 2 inside to move, owing to being subject to the pressure of fluid, the outer rim of flap 3 and the groove (23) of valve seat 2 inside compress and make butterfly valve seal, when butterfly valve needs to open, by rotating upper valve shaft (4), make the square lower shaft of valve shaft (4) drive flap 3 to rotate, thus open butterfly valve.
Claims (8)
1. the hard seal butterfly valve that a Double-clack is board-like, comprise valve body (1), be arranged on the valve seat (2) in the valve body chamber (11) of valve body (1), be arranged on the flap (3) in valve seat (2), the lower valve shaft (5) being arranged on the upper valve shaft (4) in the upper valve shaft axle track (12) of valve body (1) and being arranged in the lower valve shaft axle track (13) of valve body (1), described upper valve shaft (4) is connected with flap (3) respectively with lower valve shaft (5), described flap (3) comprises two blocks of flap plates (31) be arranged in parallel and the gusset (32) being connected flap plate (31), it is characterized in that, described gusset (32) top is provided with the upper flap hole (33) with upper valve shaft (4) loose fit, bottom is provided with the lower Disc hole (34) with lower valve shaft (5) loose fit, the center periphery of described valve seat (2) internal surface is provided with groove (23), groove (23) form fit on the sealing surface shape of described flap (3) outer rim and valve seat (2) and be provided with gap.
2. the hard seal butterfly valve that a kind of Double-clack according to claim 1 is board-like, it is characterized in that, described valve seat (2) in tubular construction, and just connect with valve body chamber (11), described valve seat (2) is provided with upper valve base hole (21) and lower valve base hole (22), and the string in described groove (23) cross section is wider than the diameter of upper valve base hole (21) and lower valve base hole (22).
3. the hard seal butterfly valve that a kind of Double-clack according to claim 2 is board-like, it is characterized in that, described upper flap hole (33) is for square, described upper valve base hole (21) is circular, described upper valve shaft (4) is square boss structure, is provided with gap between described upper valve shaft (4) and upper flap hole (33).
4. the hard seal butterfly valve that a kind of Double-clack according to claim 2 is board-like, it is characterized in that, described lower Disc hole (34) is circular, described lower valve base hole (22) is circular, described lower valve shaft (5) is round boss structure, is provided with gap between described lower valve shaft (5) and lower Disc hole (34).
5. the hard seal butterfly valve that a kind of Double-clack according to claim 1 is board-like, is characterized in that, described lower valve shaft (5) is fixed in lower valve shaft axle track (13) by seal ring.
6. the hard seal butterfly valve that a kind of Double-clack according to claim 1 is board-like, it is characterized in that, described upper valve shaft axle track (12), upper valve base hole (21) lower valve base hole (22) and lower valve shaft axle track (13) coaxial line.
7. the hard seal butterfly valve that a kind of Double-clack according to claim 1 is board-like, it is characterized in that, be provided with O type ring recess (121) in described upper valve shaft axle track (12), O type ring recess (121) inside is provided with the O RunddichtringO sealed with upper valve shaft.
8. the hard seal butterfly valve that a kind of Double-clack according to claim 1 is board-like, is characterized in that, is provided with a pair connecting plate to described valve body (1) outer symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736292.0U CN204459195U (en) | 2014-11-27 | 2014-11-27 | The hard seal butterfly valve that a kind of Double-clack is board-like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736292.0U CN204459195U (en) | 2014-11-27 | 2014-11-27 | The hard seal butterfly valve that a kind of Double-clack is board-like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459195U true CN204459195U (en) | 2015-07-08 |
Family
ID=53666081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736292.0U Active CN204459195U (en) | 2014-11-27 | 2014-11-27 | The hard seal butterfly valve that a kind of Double-clack is board-like |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459195U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221766A (en) * | 2015-11-09 | 2016-01-06 | 宁波一机阀门制造有限公司 | A kind of butterfly valve with hydraulic sealing structure |
| CN108087623A (en) * | 2016-11-23 | 2018-05-29 | 天津富赛克流体控制设备有限公司 | Novel valve seat |
| CN108903074A (en) * | 2018-07-27 | 2018-11-30 | 唐力 | A kind of inflatable clothes |
-
2014
- 2014-11-27 CN CN201420736292.0U patent/CN204459195U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221766A (en) * | 2015-11-09 | 2016-01-06 | 宁波一机阀门制造有限公司 | A kind of butterfly valve with hydraulic sealing structure |
| CN105221766B (en) * | 2015-11-09 | 2017-06-23 | 宁波一机阀门制造有限公司 | A kind of butterfly valve with hydraulic sealing structure |
| CN108087623A (en) * | 2016-11-23 | 2018-05-29 | 天津富赛克流体控制设备有限公司 | Novel valve seat |
| CN108903074A (en) * | 2018-07-27 | 2018-11-30 | 唐力 | A kind of inflatable clothes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Patentee after: Shanghai Guanlong Valve Machinery Co., Ltd Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee before: SHANGHAI CHIRONG AUTOMATION Co.,Ltd. Patentee before: Shanghai Guanlong Valve Machinery Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee after: Shanghai Guanlong valve energy saving equipment Co., Ltd Patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee before: Shanghai Guanlong Valve Machinery Co., Ltd Patentee before: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |