CN102865374A - Low-flow resistance stop valve - Google Patents
Low-flow resistance stop valve Download PDFInfo
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- CN102865374A CN102865374A CN2011101862350A CN201110186235A CN102865374A CN 102865374 A CN102865374 A CN 102865374A CN 2011101862350 A CN2011101862350 A CN 2011101862350A CN 201110186235 A CN201110186235 A CN 201110186235A CN 102865374 A CN102865374 A CN 102865374A
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- flap
- rocking bar
- connecting rod
- valve body
- stop valve
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- Mechanically-Actuated Valves (AREA)
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Abstract
The invention discloses a low-flow resistance stop valve. The low-flow resistance stop valve comprises a valve body and is characterized in that an inlet runner (11) and an outlet runner (12) are symmetrically arranged at the two ends of the valve body, a valve clack (3) is arranged at an inner side edge (13) of the inlet runner (11), the valve body (1) also comprises a switching device (10) which is connected with the valve clack (3), when the stop valve is switched on, the switching device drives the valve clack (3) to rotate by a set angle so as to enable the valve clack (3) to be capable of avoiding that the axis of the inner side edge (13) of the inlet runner points at the extension line in the direction of the outlet runner (12) along with the inner side edge (13) of the inlet runner. The valve clack cannot block off fluid moving from the inlet runner to the outlet runner, so that the flow resistance of the stop valve is very small.
Description
Technical field
The present invention relates to valve technology field, particularly a kind of low flow resistance stop valve.
Background technique
Stop valve is owing to simple in structure, the characteristics such as cost is low, good airproof performance are widely used.But common stop valve is when opening, because stopping or the impact of entrance channel and outlet flow shape of flap, fluid has larger loss through the cut-off downstream pressure, require fluid to reduce the pressure loss and fluctuation in course of conveying for some fields such as aerospace fuel field, this just requires stop valve flow resistance when good sealing is arranged the smaller the better as far as possible.
In order to reduce the flow resistance of stop valve, Chinese patent CN 201141443Y, open October 29 2008 date, a kind of heavy caliber low temperature Oblique Stop Valve is disclosed, in order to reduce the flow resistance of stop valve, the entrance channel of this stop valve and outlet flow are roughly in alignment, but the axis of the axis of entrance channel inside edge and outlet flow inside edge is perpendicular, the flap of stop valve can stop the moving direction of the fluid that entrance channel flows into after unlatching, so this stop valve reduces the limited in one's ability of flow resistance.
Summary of the invention
In order to solve the larger technical problem of stop valve flow resistance, the invention provides a kind of low flow resistance stop valve, this stop valve has lower flow resistance.
The technological scheme that the present invention solves its technical problem employing is: a kind of low flow resistance stop valve, comprise valve body, it is characterized in that: the two ends of valve body are symmetrically arranged with entrance channel and outlet flow, the entrance channel inside edge is provided with flap, valve body also comprises the switch gear that is connected with flap, when opening stop valve, flap can be avoided the entrance channel inside edge along the elongation line of the orientation of its axis outlet flow direction of entrance channel inside edge after switch gear drive flap rotated a set angle.
Entrance channel and outlet flow are symmetrical arranged, the axis of the axis of entrance channel inside edge and outlet flow inside edge is same axis, when opening stop valve, flap can be avoided the entrance channel inside edge along the elongation line of the orientation of its axis outlet flow direction of entrance channel inside edge after switch gear drive flap rotated a set angle, flap can not stop the fluid of the motion from entrance channel to the outlet flow direction like this, so reduced to the full extent the flow resistance of stop valve.
Preferred switch gear comprises rocking bar, rotating shaft and connecting rod, one end of rocking bar is connected the other end and connecting rod and is flexibly connected with flap, rotating shaft namely is fixedly connected with valve body and is flexibly connected with rocking bar, the connection part of rotating shaft and rocking bar is arranged between the connection part of the connection part of connecting rod and rocking bar and rocking bar and flap, and an end of connecting rod stretches out valve body.
Preferred switch gear comprises rocking bar, rotating shaft and connecting rod, one end of rocking bar is connected with flap, rotating shaft namely is fixedly connected with valve body and is flexibly connected with the other end of rocking bar, connecting rod and rocking bar are flexibly connected, the connection part of connecting rod and rocking bar is arranged between the connection part of the connection part of rotating shaft and rocking bar and flap and rocking bar, and an end of connecting rod stretches out valve body.
Preferred switch gear comprises rocking bar, rotating shaft and connecting rod, one end of rocking bar is connected with flap, the other end of rocking bar and connecting rod are flexibly connected, one end of connecting rod stretches out valve body, rotating shaft is fixed on the outside of entrance channel inside edge and is flexibly connected with flap, or rotating shaft is fixedly connected with valve body, and rotating shaft is arranged on the outside of entrance channel inside edge and is flexibly connected with flap.
After preferred switch gear drove flap and rotates a set angle, flap was parallel with the axis of entrance channel inside edge, and flap and entrance channel inside edge are tangent along the elongation line of the orientation of its axis outlet flow direction of entrance channel inside edge.
Preferred rocking bar and flap are flexibly connected, and the connection part of rocking bar and flap is arranged on the center of flap, or the connection part of rocking bar and flap is arranged on the edge of flap.
Preferred rocking bar is " ㄑ " font, and rotating shaft is arranged on the corner of " ㄑ " font rocking bar, and switch gear drives flap and rotates 80 °～100 °; Preferred 90 °.
The axis of preferred connecting rod is parallel with the axis of entrance channel, and the end that preferred connecting rod stretches out valve body is provided with the first cylinder, or hydraulic jack.
The other end of preferred connecting rod also stretches out valve body, and the connection part of connecting rod and rocking bar is arranged between the two ends that connecting rod stretches out valve body, and the other end that connecting rod stretches out valve body also is provided with the second cylinder, or hydraulic jack.
The arranged outside of preferred valve body has vacuum layer; Or the arranged outside of valve body has adiabator layer; Or the arranged outside of valve body has vacuum layer, also is provided with the adiabator layer in the vacuum layer.
The invention has the beneficial effects as follows, namely flap can not stop the fluid of the motion from entrance channel to the outlet flow direction, so the flow resistance of stop valve is very little.
Description of drawings
Below in conjunction with accompanying drawing low flow resistance stop valve of the present invention is specifically described.
Fig. 1 is the sectional view of low flow resistance stop valve under in off position among the embodiment 1.
Fig. 2 is the low sectional view of flow resistance stop valve under opening state among the embodiment 1.
Fig. 3 is the sectional view of low flow resistance stop valve under in off position among the embodiment 2.。
Fig. 4 is the sectional view of low flow resistance stop valve under in off position among the embodiment 3.
Fig. 5 is the low sectional view of flow resistance stop valve under opening state among the embodiment 3.
1. valve bodies among the figure, 2. vacuum layer, 3. flap, 4. adiabator layer, 5. the second cylinder, 6. rocking bar, 7. rotating shaft, 8. connecting rod, 9. the first cylinder, 10. switch gear, 11. entrance channel, 12. outlet flow, 13. entrance channel inside edges, 14. loam cakes, 15. outlet flow inside edges.
Embodiment
In conjunction with Fig. 1 and Fig. 2 low flow resistance stop valve of the present invention is elaborated.Low flow resistance stop valve comprises valve body (1), valve body top is provided with loam cake 14, the two ends of valve body are symmetrically arranged with entrance channel 11 and outlet flow 12, entrance channel becomes cylindrical with outlet flow, the axis of the axis of entrance channel inside edge 13 and outlet flow inside edge 15 is same axis, entrance channel 11 inside edges 13 are provided with flap 3, valve body 1 also comprises the switch gear 10 that is connected with flap 3, when opening stop valve, flap 3 can be avoided entrance channel inside edge 13 along the elongation line of orientation of its axis outlet flow 12 directions of entrance channel inside edge 13 after switch gear 10 drove flaps 3 and rotates a set angle, and namely flap 3 can be avoided the zone between two dotted lines that entrance channel inside edge 13 among Fig. 2 prolongs to outlet flow inside edge 15.
In order to reduce the volume of valve body 1, more precisely reduce the height of valve body 1 on the axial direction of vertical and entrance channel 11, after preferred switch gear 10 drives flap 3 rotations one set angle, flap 3 is parallel with the axis of entrance channel inside edge 13, and flap 3 is tangent along the elongation line of orientation of its axis outlet flow 12 directions of entrance channel inside edge 13 with entrance channel inside edge 13, in Fig. 2, i.e. cylindrical tangent shown in two dotted lines prolonging to outlet flow inside edge 15 of flap 3 and entrance channel inside edge 13.The height that reduces valve body can conveniently be installed, and avoids the limited space of mounting point and the valve body that causes conflicts mutually with the building enclosed structure.
In order to reduce the volume of valve body, more precisely reduce valve body in the length along entrance channel 11 directions; Rocking bar 6 is " ㄑ " font, and the angle of " ㄑ " font rocking bar is 80 °～120 °, and rotating shaft 7 is arranged on the corner of " ㄑ " font rocking bar, and switch gear 10 drives flap 3 and rotates 80 °～100 °, preferred 90 °.Reduce valve body and can avoid that entrance channel 11 and 12 distances of outlet flow are excessive and flow resistance that cause increases along the length of entrance channel 11 directions.
In order further to reduce valve body 1 perpendicular to the height on entrance channel 11 axial directions, the axis of connecting rod 8 is parallel with the axis of entrance channel 11, the valve rod of general stop valve is vertical with the axis of entrance channel, reliable in order to guarantee sealing, arrange along the direction of valve rod axis multi-sealed, so valve body is higher.The axis of connecting rod 8 is parallel with the axis of entrance channel 11, valve body is set so just can significantly reducing perpendicular to the height on entrance channel 11 axial directions, avoids valve to conflict mutually with the enclosed structure of pipeline when mounted.The end that preferred connecting rod 8 stretches out valve body 1 is provided with the first cylinder 9, or hydraulic jack.Cylinder or hydraulic jack promote connecting rod and raise the efficiency.
The other end of connecting rod 8 also stretches out valve body 1, and the connection part of connecting rod 8 and rocking bar 6 is arranged between the two ends that connecting rod 8 stretches out valve body 1, and the other end that connecting rod 8 stretches out valve body 1 also is provided with the second cylinder 5, or hydraulic jack.2 cylinders or hydraulic jack are set, and during opening stop valve, the second cylinder 5 starts, pulling connecting rod 8; When closing stop valve, the first cylinder 9 starts, pulling connecting rod 8.The benefit of design is like this, and the opening and closing stop valve all is pulling connecting rod 8, and namely 8 on connecting rod is subjected to pulling force and is not stressed, and avoids the excessive and torsional deformation of connecting rod pressurized, and directly can reducing of connecting rod saved material in addition.
In order to make stop valve adapt to low temperature environment, improve the thermal insulation property of stop valve.The vacuum layer 2 that the arranged outside of valve body 1 has vacuum chamber to surround; Or the arranged outside of valve body 1 has adiabator layer 4; Or the arranged outside of valve body 1 has vacuum layer 2, and vacuum layer 2 is interior also to be provided with adiabator layer 4 near valve body one sides.Described thermal insulating material is polymer foaming material such as polyethylene foamed, polyurethane foam, expanded polystyrene, or is organic fiber such as wool, inorfil such as rock wool, glass wool.
Low flow resistance stop valve of the present invention is not because flap can stop the fluid of the motion from entrance channel to the outlet flow direction, so the flow resistance of stop valve is very little, the valve volume less that should hang down in addition the flow resistance stop valve is easy for installation, also has also to be suitable for using under the low temperature environment by low flow resistance stop valve.
The present embodiment is a kind of distortion of embodiment 1, difference is that switch gear 10 comprises rocking bar 6, rotating shaft 7 and connecting rod 8, one end of rocking bar 6 is connected with flap 3, rotating shaft 7 namely is fixedly connected with valve body and is flexibly connected with the other end of rocking bar 6, connecting rod 8 is flexibly connected with rocking bar 6, the connection part of connecting rod 8 and rocking bar 6 is arranged between the connection part of the connection part of rotating shaft 7 and rocking bar 6 and flap 3 and rocking bar 6, and an end of connecting rod 8 stretches out valve body 1, sees Fig. 3.
The present embodiment is embodiment 1 another kind distortion, difference is that switch gear 10 comprises rocking bar 6, rotating shaft 7 and connecting rod 8, one end of rocking bar 6 is connected with flap 3, the other end of rocking bar 6 and connecting rod 8 are flexibly connected, one end of connecting rod 8 stretches out valve body 1, and rotating shaft 7 is fixed on the outside of entrance channel 11 inside edges 13 and is flexibly connected with flap 3, or rotating shaft 7 is fixedly connected with valve body, rotating shaft is arranged on the outside of entrance channel 11 inside edges 13 and is flexibly connected with flap 3, sees Fig. 4, Fig. 5.When needing opening stop valve, connecting rod 8 pulling rocking bars 6, rocking bar 6 drives flap 3 and 7 rotates around the shaft.
The advantage of the present embodiment is simple in structure, and reliability is high, long service life.
Technical characteristics among the embodiment 1 all can optionally be used in embodiment 2 and embodiment 3, and the technical characteristics between the different embodiments is independent assortment optionally.
Claims (10)
1. one kind low flow resistance stop valve, comprise valve body (1), it is characterized in that: the two ends of valve body are symmetrically arranged with entrance channel (11) and outlet flow (12), entrance channel (11) inside edge (13) is provided with flap (3), valve body (1) also comprises the switch gear (10) that is connected with flap (3), when opening stop valve, flap (3) can be avoided entrance channel inside edge (13) along the elongation line of orientation of its axis outlet flow (12) direction of entrance channel inside edge (13) after switch gear (10) drove flap (3) rotation one set angle.
2. stop valve according to claim 1, it is characterized in that: switch gear (10) comprises rocking bar (6), rotating shaft (7) and connecting rod (8), one end of rocking bar (6) is connected the other end and connecting rod (8) and is flexibly connected with flap (3), rotating shaft (7) namely is fixedly connected with valve body and is flexibly connected with rocking bar (6), the connection part of rotating shaft (7) and rocking bar (6) is arranged between the connection part of the connection part of connecting rod (8) and rocking bar (6) and rocking bar (6) and flap (3), and an end of connecting rod (8) stretches out valve body (1).
3. any one described stop valve according to claim 1～2, it is characterized in that: switch gear (10) comprises rocking bar (6), rotating shaft (7) and connecting rod (8), one end of rocking bar (6) is connected with flap (3), rotating shaft (7) namely is fixedly connected with valve body and is flexibly connected with the other end of rocking bar (6), connecting rod (8) is flexibly connected with rocking bar (6), the connection part of connecting rod (8) and rocking bar (6) is arranged between the connection part of the connection part of rotating shaft (7) and rocking bar (6) and flap (3) and rocking bar (6), and an end of connecting rod (8) stretches out valve body (1).
4. any one described stop valve according to claim 1～3, it is characterized in that: switch gear (10) comprises rocking bar (6), rotating shaft (7) and connecting rod (8), one end of rocking bar (6) is connected with flap (3), the other end of rocking bar (6) and connecting rod (8) are flexibly connected, one end of connecting rod (8) stretches out valve body (1), rotating shaft (7) is fixed on the outside of entrance channel (11) inside edge (13) and is flexibly connected with flap (3), or rotating shaft (7) is fixedly connected with valve body, and rotating shaft is arranged on the outside of entrance channel (11) inside edge (13) and is flexibly connected with flap (3).
5. any one described stop valve according to claim 1～4, it is characterized in that: after switch gear drives flap (3) rotation one set angle, flap (3) is parallel with the axis of entrance channel inside edge (13), and flap (3) is tangent along the elongation line of orientation of its axis outlet flow (12) direction of entrance channel inside edge (13) with entrance channel inside edge (13).
6. any one described stop valve according to claim 1～5, it is characterized in that: rocking bar (6) is flexibly connected with flap (3), the connection part of rocking bar (6) and flap (3) is arranged on the center of flap (3), or the connection part of rocking bar (6) and flap (3) is arranged on the edge of flap (3).
7. any one described stop valve according to claim 1～6 is characterized in that: rocking bar (6) is " ㄑ " font, and rotating shaft (7) is arranged on the corner of " ㄑ " font rocking bar, and switch gear drives flap (3) and rotates 80 °～100 °; Preferred 90 °.
8. any one described stop valve according to claim 1～7, it is characterized in that: the axis of connecting rod (8) is parallel with the axis of entrance channel (11), the end that preferred connecting rod (8) stretches out valve body (1) is provided with the first cylinder (9), or hydraulic jack.
9. any one described stop valve according to claim 1～8, it is characterized in that: the other end of connecting rod (8) also stretches out valve body (1), the connection part of connecting rod (8) and rocking bar (6) is arranged on connecting rod (8) and stretches out between the two ends of valve body (1), the other end that connecting rod (8) stretches out valve body (1) also is provided with the second cylinder (5), or hydraulic jack.
10. any one described stop valve according to claim 1～9 is characterized in that: the arranged outside of valve body (1) has vacuum layer (2);
Or the arranged outside of valve body (1) has adiabator layer (4);
Or the arranged outside of valve body (1) has vacuum layer (2), also is provided with adiabator layer (4) in the vacuum layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186235.0A CN102865374B (en) | 2011-07-05 | 2011-07-05 | Low-flow resistance stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186235.0A CN102865374B (en) | 2011-07-05 | 2011-07-05 | Low-flow resistance stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102865374A true CN102865374A (en) | 2013-01-09 |
| CN102865374B CN102865374B (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110186235.0A Expired - Fee Related CN102865374B (en) | 2011-07-05 | 2011-07-05 | Low-flow resistance stop valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN102865374B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372998A (en) * | 2018-12-27 | 2019-02-22 | 安徽新宁能源科技有限公司 | A kind of lower resistance loss quick-closing valve and its application method |
| CN109482005A (en) * | 2017-09-12 | 2019-03-19 | 苏州协昌环保科技股份有限公司 | The offline sack cleaner of wisdom industrial smoke, treating flour dust cloud platform |
| CN109482004A (en) * | 2017-09-12 | 2019-03-19 | 苏州协昌环保科技股份有限公司 | Wisdom industrial smoke, treating flour dust cloud platform and its control method |
| CN112295328A (en) * | 2017-09-12 | 2021-02-02 | 苏州协昌环保科技股份有限公司 | Ash removal device of intelligent dust removal system and control method thereof |
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| CN2700659Y (en) * | 2004-06-03 | 2005-05-18 | 安徽铜都阀门有限公司 | Micro-resistance slowly-closing check-valve |
| JP2008075860A (en) * | 2006-09-25 | 2008-04-03 | Dmw Corp | Swing check valve |
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2011
- 2011-07-05 CN CN201110186235.0A patent/CN102865374B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1062279A (en) * | 1963-07-24 | 1967-03-22 | Clement Ramsden | Improvements in non-return valves |
| CN2046958U (en) * | 1989-04-06 | 1989-11-01 | 杨玉思 | Hydraulic-control delayed on-off non-return valve |
| CN2114071U (en) * | 1991-08-01 | 1992-08-26 | 浙江大学 | Butterfly valve for controlling electrolyte proportion |
| CN2138224Y (en) * | 1992-09-24 | 1993-07-14 | 赵福远 | Check valve without block hammer |
| EP0885363B1 (en) * | 1996-03-11 | 1999-09-15 | North American Manufacturing Company | Diaphragm actuated air cycle valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482005A (en) * | 2017-09-12 | 2019-03-19 | 苏州协昌环保科技股份有限公司 | The offline sack cleaner of wisdom industrial smoke, treating flour dust cloud platform |
| CN109482004A (en) * | 2017-09-12 | 2019-03-19 | 苏州协昌环保科技股份有限公司 | Wisdom industrial smoke, treating flour dust cloud platform and its control method |
| CN112295328A (en) * | 2017-09-12 | 2021-02-02 | 苏州协昌环保科技股份有限公司 | Ash removal device of intelligent dust removal system and control method thereof |
| CN109482005B (en) * | 2017-09-12 | 2021-09-14 | 苏州协昌环保科技股份有限公司 | Off-line bag type dust collector of intelligent industrial flue gas and dust treatment cloud platform |
| CN112295328B (en) * | 2017-09-12 | 2022-05-20 | 苏州协昌环保科技股份有限公司 | Ash removal device of intelligent dust removal system and control method thereof |
| CN109372998A (en) * | 2018-12-27 | 2019-02-22 | 安徽新宁能源科技有限公司 | A kind of lower resistance loss quick-closing valve and its application method |
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| Publication number | Publication date |
|---|---|
| CN102865374B (en) | 2014-04-23 |
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Inventor after: Teng Leijun Inventor after: Liang Huacheng Inventor after: Xu Honghao Inventor after: Lu Lanqing Inventor after: Shi Xiaoli Inventor after: He Changqing Inventor after: Wang Huiying Inventor after: Li Yapeng Inventor after: Shen Jing Inventor after: Zhang Hua Inventor before: Teng Leijun Inventor before: Lu Lanqing Inventor before: Shi Xiaoli Inventor before: He Changqing Inventor before: Wang Huiying Inventor before: Li Yapeng Inventor before: Shen Jing |
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Free format text: CORRECT: INVENTOR; FROM: TENG LEIJUN LU LANQING SHI XIAOLI HE CHANGQING WANG HUIYING LI YAPENG SHEN JING TO: TENG LEIJUN XU HONGHAO LU LANQING SHI XIAOLI HE CHANGQING WANG HUIYING LI YAPENG SHEN JING ZHANG HUA LIANG HUACHENG |
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Effective date of registration: 20160914 Address after: 100000, No. 6498, building 2, Heng Fu Street, Fengtai District Science Town, Beijing Patentee after: BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENGINEERING CO., LTD. Address before: 100074, Lane 1, Yungang Tian Town, Beijing, Fengtai District Patentee before: Beijing Institute of Aerospace Testing Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20170705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |