CN105626896A - Operating device for adjusting water pressure of water supply hose - Google Patents
Operating device for adjusting water pressure of water supply hose Download PDFInfo
- Publication number
- CN105626896A CN105626896A CN201610180753.4A CN201610180753A CN105626896A CN 105626896 A CN105626896 A CN 105626896A CN 201610180753 A CN201610180753 A CN 201610180753A CN 105626896 A CN105626896 A CN 105626896A
- Authority
- CN
- China
- Prior art keywords
- circle gear
- semi
- stem portion
- driving stem
- lower half
- 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.)
- Pending
Links
Classifications
-
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/06—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
- F16K7/063—Lever clamps
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/045—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by electric or magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to an operating device for adjusting the water pressure of a water supply hose. The operating device comprises a rack (9), a left lower-semicircle gear (8) and a right lower-semicircle gear (7), wherein the left lower-semicircle gear (8) and the right lower-semicircle gear (7) are symmetrically hinged to the left side and the right side of the rack (9); axes of hinge shafts of the left lower-semicircle gear (8) and the right lower-semicircle gear (7) are located at same horizontal height; an upwards-extending driving rod part (81) is fixedly arranged on the left lower-semicircle gear (8), wherein the center axis of the driving rod part (81) is located in the direction of a connecting line of the arc midpoint of the left lower-semicircle gear (8) and the axis of the hinge shaft of the left lower-semicircle gear (8); and the driving rod part (81) is hinged to the upper end of a transmission connecting rod (78) at the position of the center axis of the driving rod part (81).
Description
Technical field
The present invention relates to hydraulic pressure and regulate field, be specially the operating gear that a kind of water hose hydraulic pressure regulates.
Background technology
For the occasion that embody rule project is supplied water by some use flexible pipes, owing to the hydraulic pressure of water supply side is certain, it is thus desirable to often cumbersome when regulating the hydraulic pressure of embody rule project, increasing boosting equipment needs at substantial cost. And this kind of pressure adjustment sometimes is often temporary or needs to regulate flexibly or manually, therefore increasing boosting equipment can not satisfy the demand.
Summary of the invention
It is an object of the invention to provide the operating gear that a kind of water hose hydraulic pressure regulates, it can overcome defect of the prior art.
According to the operating gear that a kind of water hose hydraulic pressure of the present invention regulates, comprise the left part lower half circle gear of frame and symmetrical the left and right sides being hingedly mounted on described frame and right subordinate's semi-circle gear, the hinged axle axle center of described left part lower half circle gear and right subordinate's semi-circle gear is in same level height, described left part lower half circle gear is fixedly installed the driving stem portion upwards extended, wherein, the center axis in described driving stem portion is positioned on the line direction in arcuate midway point axle axle center hinged with it of described left part lower half circle gear, described driving stem portion wherein on axle line with the upper end thereof of kinematic link, the arcuate midway point place of the lower end of described kinematic link and the bottom of described right subordinate's semi-circle gear is hinged, the lower end of described kinematic link and the pin joint of described right subordinate's semi-circle gear equal the upper end of described kinematic link and the pin joint in the described driving stem portion distance from the described hinged axle axle center of described left part lower half circle gear from the distance in the described hinged axle axle center of described right subordinate's semi-circle gear, described left part lower half circle gear and right subordinate's semi-circle gear respectively left rack member and right rack member with sliding in described frame engage, what the end that described left rack member and right rack member are close to mutually was fixedly installed extension downwards respectively presses arm, with the cross section compressing distortion of the flats water hose that will press between arm described in being placed in, thus regulate and flow out in the hydraulic pressure of described water hose, wherein, frame above described left part lower half circle gear and right subordinate's semi-circle gear is provided with retaining plate, described retaining plate left end is provided with the groove allowing described driving stem portion to swing and upwards extend, the retaining plate of described groove right-hand member is provided with limiting section, it is provided with top pressure spring between left end wall in described driving stem portion and described frame, described driving stem portion is oppressed by the limiting section on the roof being arranged at described frame to the right, now, the line in the described hinged axle axle center of the lower end of described kinematic link and the pin joint of described right subordinate's semi-circle gear and the line in described hinged axle axle center of described right subordinate's semi-circle gear and the pin joint in the upper end of described kinematic link and described driving stem portion and described left part lower half circle gear is all in vertical direction, and described in press arm and be in open configuration and make the hydraulic pressure of described water hose be in lower state, in described limiting section, screw thread is provided with threaded rod, described threaded rod left end stretches out described limiting section and offsets with described driving stem portion, described threaded rod right-hand member is provided with drive-motor, the lower end of roof of described retaining plate upper end and frame is all provided with guiding bar, described drive-motor and described guiding bar are slidably matched, when described drive-motor drives described threaded rod just to rotation, described drive-motor slides to the left, described threaded rod promotes described driving stem portion when described left end wall, described left rack member moves right, and by the transmission of described kinematic link, described right subordinate's semi-circle gear drives described right rack member to left movement, thus by the cross section compressing distortion of described flats water hose, hydraulic pressure is raised, after described drive-motor stops rotation, due to the phenomenon of screw thread self-locking, the cross section of water hose can be made to remain unchanged, thus make hydraulic pressure keep stable, lower end wall and the left end wall boundary place of described frame are provided with groove, described groove is provided with sensor, described left rack member is provided with, near the lower end of described left end wall, the detected body that can be detected by described sensor, when described sensor detects described detected body, giving described drive-motor by signal transmission, described drive-motor just shuts down after receiving signal.
Pass through the present invention, owing to being provided with by driving gear member power to connect with the drive link of the axial connecting line crossed orientation of the semi-circle gear driven by two, it is thus possible to transmit bigger adjustment force, can use pushing-pressing arm that the water supply cross section of flexible pipe carries out compressing adjustment, thus reach and utilize the substantially invariable condition of the discharge of water supply side, and make the adjusted boosting of hydraulic pressure from flexible pipe outlet injection. It may be used for steel plate rust cleaning or other occasions utilizing hydraulic pressure to spray. Whole apparatus structure is firm, it may also be useful to reliable and easy to operate.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the device of the present invention, wherein, presses arm and is in open configuration.
Fig. 2 is the geometric distribution size schematic diagram schematically showing described device in Fig. 1.
Fig. 3 shows the schematic diagram in Fig. 2 and is being in, when described device, the schematic diagram oppressing flexible pipe state.
Embodiment
Below in conjunction with Fig. 1-3, the present invention is described in detail.
According to the operating gear that a kind of water hose hydraulic pressure of embodiment regulates, comprise the left part lower half circle gear 8 of frame 9 and symmetrical the left and right sides being hingedly mounted on described frame 9 and right subordinate's semi-circle gear 7, described left part lower half circle gear 8 is in same level height with the hinged axle axle center of right subordinate's semi-circle gear 7, described left part lower half circle gear 8 is fixedly installed the driving stem portion 81 upwards extended, wherein, the center axis in described driving stem portion 81 is positioned on the line direction in arcuate midway point axle axle center hinged with it of described left part lower half circle gear 8, described driving stem portion 81 wherein on axle line with the upper end thereof of kinematic link 78, the arcuate midway point place of the lower end of described kinematic link 78 and the bottom of described right subordinate's semi-circle gear 7 is hinged, the lower end of described kinematic link 78 and the pin joint of described right subordinate's semi-circle gear 7 equal the upper end of described kinematic link 78 and the pin joint in the described driving stem portion distance from the described hinged axle axle center of described left part lower half circle gear 8 from the distance in the described hinged axle axle center of described right subordinate's semi-circle gear 7, described left part lower half circle gear 8 and right subordinate's semi-circle gear 7 respectively left rack member 6 and right rack member 5 with sliding in described frame 9 engage, what the end that described left rack member 6 and right rack member 5 are close to mutually was fixedly installed extension downwards respectively presses arm 61, 51, arm 61 is pressed described in being placed in, the cross section compressing distortion of the flats water hose 1 between 51, thus regulate and flow out in the hydraulic pressure of described water hose 1, wherein, frame 9 above described left part lower half circle gear 8 and right subordinate's semi-circle gear 7 is provided with retaining plate 21, described retaining plate 21 left end is provided with the groove 14 allowing described driving stem portion 81 to swing and upwards extend, the retaining plate 21 of described groove 14 right-hand member is provided with limiting section 98, it is provided with top pressure spring 89 between left end wall in described driving stem portion 81 and described frame 9, described driving stem portion 81 is oppressed by the limiting section 98 on the roof being arranged at described frame 9 to the right, now, the line in the described hinged axle axle center of the lower end of described kinematic link 78 and the pin joint of described right subordinate's semi-circle gear 7 and the line in described hinged axle axle center of described right subordinate's semi-circle gear 7 and the pin joint in the upper end of described kinematic link 78 and described driving stem portion and described left part lower half circle gear 8 is all in vertical direction, and described in press arm 61, 51 are in open configuration and make the hydraulic pressure of described water hose 1 be in lower state, in described limiting section 98, screw thread is provided with threaded rod 25, described threaded rod 25 left end stretches out described limiting section 98 and offsets with described driving stem portion 81, described threaded rod 25 right-hand member is provided with drive-motor 12, the lower end of roof of described retaining plate 21 upper end and frame 9 is all provided with guiding bar 23, described drive-motor 12 is slidably matched with described guiding bar, when described drive-motor 12 drives described threaded rod 25 just to rotation, described drive-motor 12 slides to the left, described threaded rod promotes described driving stem portion 81 when described left end wall, described left rack member 6 moves right, and by the transmission of described kinematic link 78, described right subordinate's semi-circle gear 7 drives described right rack member 5 to left movement, thus by the cross section compressing distortion of described flats water hose 1, hydraulic pressure is raised, after described drive-motor 12 stops rotation, due to the phenomenon of screw thread self-locking, the cross section of water hose 1 can be made to remain unchanged, thus make hydraulic pressure keep stable,Lower end wall and the left end wall boundary place of described frame 9 are provided with groove, described groove is provided with sensor 62, described left rack member 6 is provided with, near the lower end of described left end wall, the detected body 60 that can be detected by described sensor 62, when described sensor 62 detects described detected body 60, giving described drive-motor 12 by signal transmission, described drive-motor 12 just shuts down after receiving signal.
Exemplarily, when operation described driving stem portion 81 near described left end wall so that when hydraulic pressure reaches the highest, described kinematic link 78 meets following relation relative to the angle [alpha] of horizontal direction:
cos��=d/��(d2+r2)
Wherein, d is the wire length between described left part lower half circle gear 8 and the hinged axle axle center of right subordinate's semi-circle gear 7, and r is the lower end of described kinematic link 78 and the pin joint of described right subordinate's semi-circle gear 7 from the pin joint in the distance in described hinged axle axle center of described right subordinate's semi-circle gear 7 and the upper end of described kinematic link 78 and described driving stem portion from the distance in the described hinged axle axle center of described left part lower half circle gear 8;
Thus so that the absolute value of the angle beta of the angle of pivot that described left part lower half circle gear 8 and right subordinate's semi-circle gear 7 turn over is equal.
The absolute value of the angle beta of the angle of pivot that described left part lower half circle gear 8 and right subordinate's semi-circle gear 7 turn over is equal so that the shape difference of flexible pipe distortion and recovery distortion is symmetrical, can thus be met and normally flow through and the uniform requirement of flexible pipe deformation strain at the current of standard state and pressure regulation state.
Owing to being provided with by driving gear member power to connect with the drive link of the axial connecting line crossed orientation of the semi-circle gear driven by two, it is thus possible to transmit bigger adjustment force, can use pushing-pressing arm that the water supply cross section of flexible pipe carries out compressing adjustment, thus reach and utilize the substantially invariable condition of the discharge of water supply side, and make the adjusted boosting of hydraulic pressure from flexible pipe outlet injection. It may be used for steel plate rust cleaning or other occasions utilizing hydraulic pressure to spray.
By with upper type, the technician of this area can make various change according to operating mode within the scope of the invention.
Claims (2)
1. the operating gear that a water hose hydraulic pressure regulates, comprise left part lower half circle gear (8) and right subordinate's semi-circle gear (7) of frame (9) and symmetrical the left and right sides being hingedly mounted on described frame (9), described left part lower half circle gear (8) is in same level height with the hinged axle axle center of right subordinate's semi-circle gear (7), described left part lower half circle gear (8) is fixedly installed the driving stem portion (81) upwards extended, wherein, the center axis of described driving stem portion (81) is positioned on the line direction in arcuate midway point axle axle center hinged with it of described left part lower half circle gear (8), described driving stem portion (81) wherein on axle line with the upper end thereof of kinematic link (78), the arcuate midway point place of the lower end of described kinematic link (78) and the bottom of described right subordinate's semi-circle gear (7) is hinged, the lower end of described kinematic link (78) and the pin joint of described right subordinate's semi-circle gear (7) equal the upper end of described kinematic link (78) and the pin joint in the described driving stem portion distance from the described hinged axle axle center of described left part lower half circle gear (8) from the distance in the described hinged axle axle center of described right subordinate's semi-circle gear (7), described left part lower half circle gear (8) and right subordinate's semi-circle gear (7) respectively left rack member (6) and right rack member (5) with sliding in the described frame (9) engage, what the mutually contiguous end of described left rack member (6) and right rack member (5) was fixedly installed extension downwards respectively presses arm (61,51), arm (61 is pressed described in being placed in, 51) the cross section compressing distortion of the flats water hose (1) between, thus regulate and flow out in the hydraulic pressure of described water hose (1), wherein, the frame (9) of described left part lower half circle gear (8) and right subordinate's semi-circle gear (7) top is provided with retaining plate (21), described retaining plate (21) left end is provided with the groove (14) allowing described driving stem portion (81) to swing and upwards extend, the retaining plate (21) of described groove (14) right-hand member is provided with limiting section (98), it is provided with top pressure spring (89) between left end wall in described driving stem portion (81) and described frame (9), described driving stem portion (81) is oppressed by the limiting section (98) on the roof being arranged at described frame (9) to the right, now, the line in the described hinged axle axle center of the lower end of described kinematic link (78) and the pin joint of described right subordinate's semi-circle gear (7) and the line in described hinged axle axle center of described right subordinate's semi-circle gear (7) and the pin joint in the upper end of described kinematic link (78) and described driving stem portion and described left part lower half circle gear (8) is all in vertical direction, and described in press arm (61,51) it is in open configuration and makes the hydraulic pressure of described water hose (1) be in lower state, in described limiting section (98), screw thread is provided with threaded rod (25), described threaded rod (25) left end stretches out described limiting section (98) and offsets with described driving stem portion (81), described threaded rod (25) right-hand member is provided with drive-motor (12), the lower end of roof of described retaining plate (21) upper end and frame (9) is all provided with guiding bar (23), described drive-motor (12) and described guiding bar are slidably matched, when described drive-motor (12) drives described threaded rod (25) just to rotation, described drive-motor (12) slides to the left, described threaded rod promotes described driving stem portion (81) when described left end wall, described left rack member (6) moves right, and by the transmission of described kinematic link (78), described right subordinate's semi-circle gear (7) drives described right rack member (5) to left movement, thus by the cross section compressing distortion of described flats water hose (1), hydraulic pressure is raised, after described drive-motor (12) stops rotation, due to the phenomenon of screw thread self-locking, the cross section of water hose (1) can be made to remain unchanged, thus make hydraulic pressure keep stable,Lower end wall and the left end wall boundary place of described frame (9) are provided with groove, described groove is provided with sensor (62), described left rack member (6) is provided with, near the lower end of described left end wall, the detected body (60) that can be detected by described sensor (62), when described sensor (62) detects described detected body (60), giving described drive-motor (12) by signal transmission, described drive-motor (12) just shuts down after receiving signal.
2. the operating gear that a kind of water hose hydraulic pressure as claimed in claim 1 regulates, wherein, when the close described left end wall of the described driving stem portion (81) of operation is so that when hydraulic pressure reaches the highest, described kinematic link (78) meets following relation relative to the angle of horizontal direction (��):
cos��=d/��(d2+r2)
Wherein, d is the wire length between described left part lower half circle gear (8) and the hinged axle axle center of right subordinate's semi-circle gear (7), and r is the lower end of described kinematic link (78) and the pin joint of described right subordinate's semi-circle gear (7) from the pin joint in the distance in described hinged axle axle center of described right subordinate's semi-circle gear (7) and the upper end of described kinematic link (78) and described driving stem portion from the distance in the described hinged axle axle center of described left part lower half circle gear (8);
Thus so that the absolute value of the angle (��) of the angle of pivot that described left part lower half circle gear (8) and right subordinate's semi-circle gear (7) turn over is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180753.4A CN105626896A (en) | 2016-03-28 | 2016-03-28 | Operating device for adjusting water pressure of water supply hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180753.4A CN105626896A (en) | 2016-03-28 | 2016-03-28 | Operating device for adjusting water pressure of water supply hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105626896A true CN105626896A (en) | 2016-06-01 |
Family
ID=56042093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180753.4A Pending CN105626896A (en) | 2016-03-28 | 2016-03-28 | Operating device for adjusting water pressure of water supply hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626896A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068254A1 (en) * | 2016-10-13 | 2018-04-19 | 尚庆光 | Operating apparatus for electrically adjusting water pressure |
| CN110753814A (en) * | 2017-06-14 | 2020-02-04 | Vat控股公司 | Device having a first chamber and at least one second chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0531137A1 (en) * | 1991-09-03 | 1993-03-10 | Ryu Kawabe | Method and apparatus for controlling the flow of fluids |
| US20080067459A1 (en) * | 2005-09-08 | 2008-03-20 | Bernstein Robert E | Pinch valve for regulating fluid flow |
| CN201277342Y (en) * | 2008-10-27 | 2009-07-22 | 崔永泉 | Differential pinch valve |
| CN101876379A (en) * | 2010-07-15 | 2010-11-03 | 华中科技大学 | Rubber tube valve |
| CN102818063A (en) * | 2012-09-14 | 2012-12-12 | 农业部南京农业机械化研究所 | Electronic control pipe-clamping flow valve |
| CN103015917A (en) * | 2011-09-20 | 2013-04-03 | 上海振华重工(集团)股份有限公司 | Clamp device |
| CN204201176U (en) * | 2013-09-24 | 2015-03-11 | 谭大伦 | Multi-way control valve and control valve component thereof |
-
2016
- 2016-03-28 CN CN201610180753.4A patent/CN105626896A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0531137A1 (en) * | 1991-09-03 | 1993-03-10 | Ryu Kawabe | Method and apparatus for controlling the flow of fluids |
| US20080067459A1 (en) * | 2005-09-08 | 2008-03-20 | Bernstein Robert E | Pinch valve for regulating fluid flow |
| CN201277342Y (en) * | 2008-10-27 | 2009-07-22 | 崔永泉 | Differential pinch valve |
| CN101876379A (en) * | 2010-07-15 | 2010-11-03 | 华中科技大学 | Rubber tube valve |
| CN103015917A (en) * | 2011-09-20 | 2013-04-03 | 上海振华重工(集团)股份有限公司 | Clamp device |
| CN102818063A (en) * | 2012-09-14 | 2012-12-12 | 农业部南京农业机械化研究所 | Electronic control pipe-clamping flow valve |
| CN204201176U (en) * | 2013-09-24 | 2015-03-11 | 谭大伦 | Multi-way control valve and control valve component thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068254A1 (en) * | 2016-10-13 | 2018-04-19 | 尚庆光 | Operating apparatus for electrically adjusting water pressure |
| CN110753814A (en) * | 2017-06-14 | 2020-02-04 | Vat控股公司 | Device having a first chamber and at least one second chamber |
| US11333227B2 (en) | 2017-06-14 | 2022-05-17 | Vat Holding Ag | Assembly having a first chamber and at least one second chamber |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |
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