CN105736716A - Involute butterfly type water pump control valve - Google Patents
Involute butterfly type water pump control valve Download PDFInfo
- Publication number
- CN105736716A CN105736716A CN201610246292.6A CN201610246292A CN105736716A CN 105736716 A CN105736716 A CN 105736716A CN 201610246292 A CN201610246292 A CN 201610246292A CN 105736716 A CN105736716 A CN 105736716A
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- valve
- valve body
- involute
- water pump
- diaphragm
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2007—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member specially adapted operating means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses an involute butterfly type water pump control valve. The involute butterfly type water pump control valve comprises a valve body (11), a large eccentric valve plate (17), a valve rod (20), a connecting lever (13), a rolling shaft (12), a control rod (10) and a control rod drive device connected with the control rod (10). An involute sliding groove (24) is formed in the connecting lever (13). The rolling shaft (12) arranged at the lower end of the control rod (10) slides and rolls freely in the involute sliding groove (24). According to the involute butterfly type water pump control valve, the control rod cannot bend and deform, so that the normal work of the control rod is guaranteed, and the opening speed of the valve can be controlled precisely.
Description
Technical field
The present invention relates to a kind of control valve for water pump, particularly relate to a kind of involute butterfly control valve for water pump.
Background technology
The connecting lever of existing control valve for water pump (if pipeline is from force control valve etc.) is provided with linear type chute, and the lower end controlling bar is provided with roller bearing；When connecting lever is around axis rotation, roller bearing can in linear type chute slidably and roll, thus drive control bar move up and down.Owing to linear type chute is linear type, and connecting lever seat circular motion, therefore, an angle is there is between tangent plane vertical line and the centrage controlling bar of the contact point of roller bearing and linear type chute, linear type chute creates the thrust A of vertical direction and the thrust B of horizontal direction to controlling bar, and horizontal thrust B can make control bar occur bending and deformation, affect its normal operation.
Summary of the invention
The technical problem to be solved is to provide a kind of bar that controls and will not occur bending and deformation thus ensureing the involute butterfly control valve for water pump of its normal operation.
In order to solve above-mentioned technical problem, involute butterfly control valve for water pump provided by the invention, including valve body, eccentric big valve plate, valve rod, connecting lever, roller bearing, control bar and control, with described, the control rod driving device that bar is connected, described connecting lever is provided with involute chute, the described roller bearing that the described lower end controlling bar is provided with in described involute chute slidably and roll.
Described control rod driving device is piston cylinder driving device, the structure of described piston cylinder driving device is: piston cylinder is arranged on described valve body by piston cylinder cover and piston cylinder seat, piston component is located in described piston cylinder and forms piston upper chamber and piston cavity of resorption, described piston component is connected with described control bar, one end of import bypass pipe connects the import of described valve body, the other end connects described piston cavity of resorption, and the centre of described import bypass pipe is equipped with ball valve；One end of import bypass pipe connects the outlet of described valve body, and the other end connects described piston upper chamber, and the centre of described import bypass pipe regulates valve equipped with double speed.
Described control rod driving device is diaphragm type driving device, and the structure of described diaphragm type driving device is: diaphragm unit is arranged on described valve body by diaphragm lid and diaphragm seat and forms diaphragm epicoele and diaphragm cavity of resorption；Described diaphragm unit is connected with described control bar, and one end of import bypass pipe connects the import of described valve body, and the other end connects described diaphragm cavity of resorption, and the centre of described import bypass pipe is equipped with ball valve；One end of import bypass pipe connects the outlet of described valve body, and the other end connects described diaphragm epicoele, and the centre of described import bypass pipe regulates valve equipped with double speed.
nullDescribed double speed regulates the structure of valve: the center of lower valve body is provided with the first shoulder hole being interconnected successively、Second shoulder hole、3rd shoulder hole and fourth order ladder hole，Described lower valve body is connected by screw and the second rubber seal with upper valve body，Described upper valve body has the upper channel connected with the first described shoulder hole，Described upper valve body is provided with outer apertures，The first aperture and second orifice it is provided with in the side of described upper valve body，The described upper channel described in the first aperture connection and described outer apertures，The described outer apertures described in second orifice connection and the first described shoulder hole，Adjustment screw and the first rubber seal it is provided with in described outer apertures，The described front end regulating screw is provided with and coordinates the adjustment taper seat regulated with the first described aperture，The described rear end regulating screw is provided with notch；Being provided with spring in the second described shoulder hole, be provided with steel ball between described spring and described upper channel, described steel ball forms sealing pair with described upper channel.
Described upper channel is provided with the cylinder lower central of the screwed hole for being connected with port of export pipeline and described upper valve body by the cylinder central upper portion of described upper valve body and is provided with the 5th shoulder hole and forms.
The first described aperture and described second orifice are arranged in a mutually vertical manner.
The described middle part regulating screw is provided with external screw thread, with the screw-internal thread fit in described outer apertures.
Adopt the involute butterfly control valve for water pump of technique scheme, owing to connecting lever is provided with involute chute, control the roller bearing that is provided with of lower end of bar in involute chute slidably and roll, it is absent from angle between tangent plane vertical line and the centrage controlling bar of the contact point of roller bearing and involute chute, involute chute will not produce the thrust A of vertical direction and the thrust B of horizontal direction to controlling bar, from without making control bar occur bending and deformation, it is ensured that its normal operation.
The centre of the described import bypass pipe controlling rod driving device regulates valve equipped with double speed, when controlling the current discharge of epicoele of rod driving device, regulates the slow path of valve only by double speed；When current enter the epicoele controlling rod driving device, being regulated slow path and the express passway of valve by double speed, flow is multiplied simultaneously, it is thus possible to the opening speed of precision control valve door.
The present invention changes linear type chute into involute chute, achieves good effect.
In sum, the present invention is that a kind of bar that controls will not occur bending and deformation thus ensureing the involute butterfly control valve for water pump of the opening speed of its normal operation and energy precision control valve door.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing control valve for water pump.
Fig. 2 is the structural representation of embodiments of the invention 1.
Fig. 3 is the schematic cross-section of embodiments of the invention 1.
Fig. 4 is the initial opening schematic diagram of embodiments of the invention 1.
Fig. 5 be embodiments of the invention 1 be all turned on view.
Fig. 6 is the initial closed state schematic diagram of embodiments of the invention 1.
Fig. 7 is the closed center view of embodiments of the invention 1.
Fig. 8 is the Close All view of embodiments of the invention 1.
Fig. 9 is the structural representation controlling rod driving device of embodiments of the invention 2.
Figure 10 is the structural representation that a kind of double speed provided by the invention regulates valve.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1:
Referring to Fig. 1, the connecting lever 13 of existing control valve for water pump (if pipeline is from force control valve etc.) is provided with linear type chute 1101, and the lower end controlling bar 10 is provided with roller bearing 12；When connecting lever 13 rotates around axle center 14, roller bearing 12 can in linear type chute 1101 slidably and roll, thus drive control bar 10 move up and down.Owing to linear type chute 1101 is linear type, and 13 circular motion of connecting lever, therefore, an angle is there is between tangent plane vertical line and the centrage controlling bar 10 of the contact point of roller bearing 12 and linear type chute 1101, linear type chute 1101 creates the thrust A of vertical direction and the thrust B of horizontal direction to controlling bar 10, and horizontal thrust B can make control bar 10 occur bending and deformation, affect its normal operation.
Referring to Fig. 2 and Fig. 3, piston cylinder cover 4 and piston component 5, piston cylinder seat 7 overlap, and connect with bolt 27；Form piston upper chamber 3 and piston cavity of resorption 6；The bottom of piston cylinder seat 7 is connected with valve body 10 bolt 26；The upper end controlling bar 10 is connected with piston component 5, and lower end is connected with roller bearing 12；Connecting lever 13 is provided with involute chute 24, rolls and slide in the roller bearing 12 involute chute 24 on connecting lever 13；The upper right corner of connecting lever 13 is connected as entirety with the axle sleeve 21 on valve rod 20, and can rotate around the center 14 of axle sleeve 21；The lower right corner of connecting lever 13 and little valve plate 15 are connected as entirety；Little valve plate 15 can push down the discharge orifice 16 on eccentric big valve plate 17, it is prevented that current pass through；Valve rod 20 is after two axle sleeves 19 on eccentric big valve plate 17, and its two ends are placed in the bearing 18 on valve body 11, can rotate freely；Eccentric big valve plate 17 is fixed with valve rod 20 taper bolt 21；The eccentric big cylindrical sealing surface of valve plate 17 defines sealing pair with the valve seat 22 of valve body 11 inner chamber；One end of import bypass pipe 8 connects the import of valve body 11, and the other end connects piston cavity of resorption 6, and the centre of import bypass pipe 8 is equipped with ball valve 9；One end of import bypass pipe 2 connects the outlet of valve body 11, and the other end connects piston upper chamber 3, and the centre of import bypass pipe 2 regulates valve 1 equipped with double speed；When the current of piston upper chamber 3 are discharged, regulate the slow path of valve 1 only by double speed；When current enter piston upper chamber 3, being regulated slow path and the express passway of valve 1 by double speed, flow is multiplied simultaneously.
Valve opening: work as starting mode of pump, when valve inlet end pressure P1 (P1 > P2) raises, current Zhong mono-tunnel enters piston cavity of resorption 6 through ball valve 9, import bypass pipe 8, promote piston component 5 up, drive connecting lever 13 and little valve plate 15 around the center 14 (center of axle sleeve 21) of valve rod 20 rotationally clockwise by controlling bar 10；Another road of current promotes eccentric big valve plate 17 to follow little valve plate 15 closely rotationally clockwise, slow Open valve.Liquid in piston upper chamber 3 is under the promotion of piston component 5, through the outlet of outlet bypass pipe 2, the slow path entrance valve body 11 of double speed adjustment valve 1；Regulate double speed and regulate the uninterrupted of valve 1, just can control the opening speed of eccentric big valve plate 17 and little valve plate 15, reduce and open pump electric current, it is prevented that water pump tripping operation (referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Figure 10).
Closing valve: during termination of pumping, the entrance point pressure P 1 of valve body 11 quickly reduces (P1 < P2), current start backflow；Eccentric big valve plate 17, under the effect of self gravitation square and recirculation water, closes (Fig. 6) rapidly；Now, the pressure P 2 of valve export end is more than the pressure P 1 of entrance point, recirculation water regulates the express passway in valve 1 and slow path, outlet bypass pipe 2 enter piston upper chamber 3 through double speed, promote piston component 5 descending, drive connecting lever 13 and little valve plate 15 slowly closing (Fig. 7, Fig. 8) by controlling bar 10.Regulate the aperture of ball valve 9, just can regulate the closing velocity of little valve plate 15, control water hammer pressure in the reasonable scope, it is prevented that water hammer accident
Embodiment 2:
Piston cylinder driving device can replace with diaphragm type driving device, referring to Fig. 9.
The structure of diaphragm type driving device is: diaphragm unit 51 is by diaphragm lid 41 and diaphragm seat 71 is arranged on valve body 11 and forms diaphragm epicoele 31 and diaphragm cavity of resorption 61；Diaphragm unit 51 is connected with controlling bar 10, and one end of import bypass pipe 8 connects the import of valve body 11, and the other end connects diaphragm cavity of resorption 61, and the centre of import bypass pipe 8 is equipped with ball valve 9；One end of import bypass pipe 2 connects the outlet of valve body 11, and the other end connects diaphragm epicoele 31, and the centre of import bypass pipe 2 regulates valve 1 equipped with double speed.Other operation principle is consistent with embodiment 1.
Referring to Fig. 2, Fig. 3 and Fig. 9, owing to connecting lever 13 is provided with involute chute 24, control the roller bearing 12 that is provided with of lower end of bar 10 in involute chute 24 slidably and roll, it is absent from angle between tangent plane vertical line and the centrage controlling bar 10 of the contact point of roller bearing 12 and involute chute 24, involute chute 24 will not produce the thrust A of vertical direction and the thrust B of horizontal direction to controlling bar 10, from without making control bar 10 occur bending and deformation, it is ensured that its normal operation.
nullReferring to Figure 10，Double speed regulates the structure of valve 1: the center of lower valve body 116 is provided with the first shoulder hole 1161 being interconnected successively、Second shoulder hole 1162、3rd shoulder hole 1163 and fourth order ladder hole 1164，Lower valve body 116 is connected by screw 111 and the second rubber seal 115 with upper valve body 112，Upper valve body 112 has the upper channel connected with the first shoulder hole 1161，Upper valve body 112 is provided with outer apertures 1124，The first aperture 1123 and second orifice 1125 it is provided with in the side of upper valve body 112，First aperture 1123 connects upper channel and described outer apertures 1124，Second orifice 1125 connects outer apertures 1124 and the first shoulder hole 1161，Adjustment screw 113 and the first rubber seal 114 it is provided with in outer apertures 1124，The front end regulating screw 113 is provided with the adjustment taper seat 1131 coordinating adjustment with the first aperture 1123，The rear end regulating screw 113 is provided with notch 1133；Being provided with spring 118 in the second shoulder hole 1162, be provided with steel ball 117 between spring 118 and upper channel, steel ball 117 forms sealing pair with upper channel.
Upper channel is provided with the cylinder lower central of the screwed hole 1121 for being connected with port of export pipeline and upper valve body 112 by the cylinder central upper portion of described upper valve body 112 and is provided with the 5th shoulder hole 1122 and forms.
First aperture 1123 and second orifice 1125 are arranged in a mutually vertical manner.
The middle part regulating screw 113 is provided with external screw thread 1132, with the screw-internal thread fit in outer apertures 1124.
Double speed regulates the effect of valve 1: when the current of piston upper chamber 3 are discharged, and regulates the slow path of valve 1 only by double speed；When current enter piston upper chamber 3, being regulated slow path and the express passway of valve 1 by double speed, flow is multiplied simultaneously.It is thus possible to the opening speed of precision control valve door.
Claims (7)
1. an involute butterfly control valve for water pump, including valve body (11), eccentric big valve plate (17), valve rod (20), connecting lever (13), roller bearing (12), control bar (10) and the control rod driving device being connected with described control bar (10), it is characterized in that: described connecting lever (13) is provided with involute chute (24), the described roller bearing (12) that the lower end of described control bar (10) is provided with in described involute chute (24) slidably and roll.
2. involute butterfly control valve for water pump according to claim 1, it is characterized in that: described control rod driving device is piston cylinder driving device, the structure of described piston cylinder driving device is: piston cylinder (28) is arranged on described valve body (11) by piston cylinder cover (4) and piston cylinder seat (7), piston component (5) is located in described piston cylinder (28) and forms piston upper chamber (3) and piston cavity of resorption (6), described piston component (5) is connected with described control bar (10), one end of import bypass pipe (8) connects the import of described valve body (11), the other end connects described piston cavity of resorption (6), the centre of described import bypass pipe (8) is equipped with ball valve (9)；One end of import bypass pipe (2) connects the outlet of described valve body (11), and the other end connects described piston upper chamber (3), and the centre of described import bypass pipe (2) regulates valve (1) equipped with double speed.
3. involute butterfly control valve for water pump according to claim 1, it is characterized in that: described control rod driving device is diaphragm type driving device, the structure of described diaphragm type driving device is: diaphragm unit (51) is arranged on described valve body (11) by diaphragm lid (41) and diaphragm seat (71) and above and forms diaphragm epicoele (31) and diaphragm cavity of resorption (61)；Described diaphragm unit (51) is connected with described control bar (10), one end of import bypass pipe (8) connects the import of described valve body (11), the other end connects described diaphragm cavity of resorption (61), and the centre of described import bypass pipe (8) is equipped with ball valve (9)；One end of import bypass pipe (2) connects the outlet of described valve body (11), and the other end connects described diaphragm epicoele (31), and the centre of described import bypass pipe (2) regulates valve (1) equipped with double speed.
null4. the involute butterfly control valve for water pump according to Claims 2 or 3，It is characterized in that: described double speed regulates the structure of valve (1) and is: the center of lower valve body (116) is provided with the first shoulder hole (1161) being interconnected successively、Second shoulder hole (1162)、3rd shoulder hole (1163) and fourth order ladder hole (1164)，Described lower valve body (116) is connected by screw (111) and the second rubber seal (115) with upper valve body (112)，Described upper valve body (112) has the upper channel connected with described the first shoulder hole (1161)，Described upper valve body (112) is provided with outer apertures (1124)，The first aperture (1123) and second orifice (1125) it is provided with in the side of described upper valve body (112)，The described upper channel described in the first aperture (1123) connection and described outer apertures (1124)，The described outer apertures (1124) described in second orifice (1125) connection and described the first shoulder hole (1161)，Adjustment screw (113) and the first rubber seal (114) it is provided with in described outer apertures (1124)，The front end of described adjustment screw (113) is provided with and coordinates the adjustment taper seat (1131) regulated with described the first aperture (1123)，The rear end of described adjustment screw (113) is provided with notch (1133)；Described the second shoulder hole (1162) is provided with spring (118), being provided with steel ball (117) between described spring (118) and described upper channel, described steel ball (117) forms sealing pair with described upper channel.
5. involute butterfly control valve for water pump according to claim 4, is characterized in that: described upper channel is provided with the cylinder lower central of the screwed hole (1121) for being connected with port of export pipeline and described upper valve body (112) by the cylinder central upper portion of described upper valve body (112) and is provided with the 5th shoulder hole (1122) and forms.
6. involute butterfly control valve for water pump according to claim 4, is characterized in that: described the first aperture (1123) and described second orifice (1125) are arranged in a mutually vertical manner.
7. involute butterfly control valve for water pump according to claim 4, is characterized in that: the middle part of described adjustment screw (113) is provided with external screw thread (1132), with the screw-internal thread fit in described outer apertures (1124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246292.6A CN105736716B (en) | 2016-04-20 | 2016-04-20 | Involute butterfly control valve for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246292.6A CN105736716B (en) | 2016-04-20 | 2016-04-20 | Involute butterfly control valve for water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736716A true CN105736716A (en) | 2016-07-06 |
| CN105736716B CN105736716B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610246292.6A Active CN105736716B (en) | 2016-04-20 | 2016-04-20 | Involute butterfly control valve for water pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN105736716B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916427A (en) * | 2018-09-25 | 2018-11-30 | 远大阀门集团有限公司 | A kind of adjusting integrated check valve and the pipe power valve with the adjusting integrated check valve |
| CN108980371A (en) * | 2018-09-28 | 2018-12-11 | 远大阀门集团有限公司 | A kind of Hyperbolic pipe power valve |
| CN110067746A (en) * | 2019-04-28 | 2019-07-30 | 朱艳艳 | A kind of sustainable water plug automatically adjusting water inlet size |
| CN108980371B (en) * | 2018-09-28 | 2024-05-10 | 远大阀门集团有限公司 | Hyperbolic spool force valve |
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| JPS6184486A (en) * | 1984-10-03 | 1986-04-30 | Kurimoto Iron Works Ltd | Drive device of butterfly valve |
| JPH10299907A (en) * | 1997-04-25 | 1998-11-13 | Supero Seiki Kk | Butterfly valve |
| CN2900954Y (en) * | 2006-05-24 | 2007-05-16 | 湖南泵阀制造有限公司 | Piston type liquid control butterfly valve |
| CN200965083Y (en) * | 2006-10-08 | 2007-10-24 | 兰州高压阀门有限公司 | Slow closing type check valve |
| CN201288830Y (en) * | 2008-11-07 | 2009-08-12 | 湖南湘天源阀门制造有限公司 | Pilot-controlled diaphragm type multi-function sloping plate valve |
| CN201844031U (en) * | 2010-11-17 | 2011-05-25 | 湖南泵阀制造有限公司 | Force control valve |
| CN202418753U (en) * | 2011-12-30 | 2012-09-05 | 湖南中新设备制造有限公司 | Slide hinge type self-operated pipe control valve |
| CN202432035U (en) * | 2012-01-13 | 2012-09-12 | 湖南中新设备制造有限公司 | Leather cup piston-type self-operated pipeline control valve |
| CN205715701U (en) * | 2016-04-20 | 2016-11-23 | 邵建农 | Involute butterfly control valve for water pump |
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2016
- 2016-04-20 CN CN201610246292.6A patent/CN105736716B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6184486A (en) * | 1984-10-03 | 1986-04-30 | Kurimoto Iron Works Ltd | Drive device of butterfly valve |
| JPH10299907A (en) * | 1997-04-25 | 1998-11-13 | Supero Seiki Kk | Butterfly valve |
| CN2900954Y (en) * | 2006-05-24 | 2007-05-16 | 湖南泵阀制造有限公司 | Piston type liquid control butterfly valve |
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| CN201288830Y (en) * | 2008-11-07 | 2009-08-12 | 湖南湘天源阀门制造有限公司 | Pilot-controlled diaphragm type multi-function sloping plate valve |
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| CN202418753U (en) * | 2011-12-30 | 2012-09-05 | 湖南中新设备制造有限公司 | Slide hinge type self-operated pipe control valve |
| CN202432035U (en) * | 2012-01-13 | 2012-09-12 | 湖南中新设备制造有限公司 | Leather cup piston-type self-operated pipeline control valve |
| CN205715701U (en) * | 2016-04-20 | 2016-11-23 | 邵建农 | Involute butterfly control valve for water pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916427A (en) * | 2018-09-25 | 2018-11-30 | 远大阀门集团有限公司 | A kind of adjusting integrated check valve and the pipe power valve with the adjusting integrated check valve |
| CN108980371A (en) * | 2018-09-28 | 2018-12-11 | 远大阀门集团有限公司 | A kind of Hyperbolic pipe power valve |
| CN108980371B (en) * | 2018-09-28 | 2024-05-10 | 远大阀门集团有限公司 | Hyperbolic spool force valve |
| CN110067746A (en) * | 2019-04-28 | 2019-07-30 | 朱艳艳 | A kind of sustainable water plug automatically adjusting water inlet size |
| CN110067746B (en) * | 2019-04-28 | 2020-06-16 | 新疆河润水业有限责任公司 | Sustainable water pumping device capable of automatically adjusting size of water inlet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105736716B (en) | 2018-01-02 |
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