CN106122550B - A kind of pipeline voltage stabilizer - Google Patents
A kind of pipeline voltage stabilizer Download PDFInfo
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- CN106122550B CN106122550B CN201610795252.7A CN201610795252A CN106122550B CN 106122550 B CN106122550 B CN 106122550B CN 201610795252 A CN201610795252 A CN 201610795252A CN 106122550 B CN106122550 B CN 106122550B
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- Prior art keywords
- pipeline
- voltage stabilizing
- pressure maintaining
- maintaining valve
- water
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of pipeline voltage stabilizer, including it is parallel with one another after be arranged on the first voltage stabilizing pipeline and the second voltage stabilizing pipeline on main pipeline；The first pressure maintaining valve and the second pressure maintaining valve are respectively arranged with first voltage stabilizing pipeline and the second voltage stabilizing pipeline；The flow regulator of one moving seesaw-type is arranged on the water outlet side of the first voltage stabilizing pipeline and the second voltage stabilizing pipeline, and positive and negative linkage adjusts the size of the first pressure maintaining valve and the second pressure maintaining valve water outlet side flow；The stabilization of water yield can be effectively ensured in the pipeline voltage stabilizer, remain to ensure out water steadying, and the automatic-diversion closure in device leak when the voltage stabilizing function of a pressure maintaining valve is ineffective.
Description
Technical field
The present invention relates to a kind of pressure stabilizing device, and in particular to a kind of pipeline voltage stabilizer.
Background technology
With the utilization of pipeline technology, there are more and more pressure maintaining valves in pipeline protection, but work as voltage stabilizing defective valve
Requirement is unable to reach to loine pressure afterwards, the consequence faced can not be imagined.So the performance of pressure maintaining valve and the safety of pressure maintaining valve
It is even more important, if when pressure maintaining valve failure, there is another voltage stabilizing that another pressure maintaining valve substitutes it to act on or work at the same time
Valve completes work.The consequence of leak is caused to be breakneck in pressure maintaining valve existing defects, so the normal work phase of pressure maintaining valve
When important.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of pipeline voltage stabilizer, which can have
Effect ensures the stabilization of water yield, remains to ensure out water steadying when the voltage stabilizing function of a pressure maintaining valve is ineffective,
And the automatic-diversion closure in device leak.
Technical scheme is as follows：
A kind of pipeline voltage stabilizer, including it is parallel with one another after be arranged on the first voltage stabilizing pipeline and the second voltage stabilizing on main pipeline
Pipeline；The first pressure maintaining valve and the second pressure maintaining valve are respectively arranged with first voltage stabilizing pipeline and the second voltage stabilizing pipeline；One moving seesaw-type
Flow regulator is arranged on the water outlet side of the first voltage stabilizing pipeline and the second voltage stabilizing pipeline, and positive and negative linkage adjusting first is steady
The size of pressure valve and the second pressure maintaining valve water outlet side flow.
Wherein, it is respectively arranged with undergauge on first pressure maintaining valve and the voltage stabilizing pipeline of the second pressure maintaining valve water outlet side
Portion.
Wherein, the flow regulator includes a wrap board；There is a rotation axis in the middle part of wrap board, both ends are both provided with a water shutoff
Plate；Two water shutoff plates bear against the outer wall of voltage stabilizing pipeline；Two water fenders are connected to the side of two water shutoff plates and stretch
Enter in voltage stabilizing pipeline, and close on reducing diameter part setting；The water shutoff plate is slidingly sealed the fit clearance for coordinating wrap board and voltage stabilizing pipeline.
Wherein, the flow regulator includes accommodating pipe and wrap board；Partition plate is provided with the receiving pipe, by the appearance
Pipe of receiving is divided into the chambers of two isolation, the chambers of described two isolation respectively with the first pressure maintaining valve water outlet side and the second voltage stabilizing
The voltage stabilizing pipeline connection of valve water outlet side；There is a rotation axis in the middle part of wrap board, rotation axis is arranged on partition plate；Wrap board both sides are with it
Set up separately centered on rotation axis in partition plate both sides；Wrap board both ends are both provided with a water fender；Two water fenders close on reducing diameter part respectively.
Wherein, the flow regulator includes two the first magnets and two the second magnets；Two the first magnet difference
It is layer adjacent in the voltage stabilizing pipeline of reducing diameter part；Two the first magnets pass through the spacing movement of limit spring respectively；Two the second magnetic
Body is respectively sleeved on the voltage stabilizing pipeline periphery below reducing diameter part；Two the second magnets are connected with each other by a connecting rod；Connection
Rotation axis is set in the middle part of bar.
Wherein, the pipeline voltage stabilizer further includes water leakage interception device.
Wherein, the water leakage interception device includes the valve seat being arranged in main pipeline water inlet and the valve coordinated with valve seat
Core；The mating surface of the spool and valve seat is taper.
Wherein, the water leakage interception device further includes sealing and is set in the first pressure maintaining valve, the second pressure maintaining valve and flow tune
The hydraulic cylinder of leak compartment and a connection leak compartment outside regulating device；Described spool one end is slidably located in hydraulic cylinder,
The other end stretches into voltage stabilizing pipeline and opposite with valve seat；The leak compartment and hydraulic cylinder promote spool to be connect with valve seat by internal pressure
Conjunction is shut off main pipeline.
Wherein, the spool includes the top plug being connected with each other by a cylinder and lower plug；Top plug is located in voltage stabilizing pipeline；Under
Plug sleeve is located in hydraulic cylinder, and a resetting spring is additionally provided between the lower plug and hydraulic cylinder；The compression sectional area of lower plug is more than
The compression sectional area of top plug.
The present invention has the advantages that：
1st, the stabilization of water yield can be effectively ensured in a kind of pipeline voltage stabilizer of the present invention, even in the steady of pressure maintaining valve
Pressure function remains to ensure out water steadying, and the automatic-diversion closure in device leak when ineffective.
2nd, the present invention is bistable valve structure, improves the stability of voltage stabilizing, prevents voltage stabilizing defective valve.
3rd, the present invention is provided with flow regulator, can effectively realize going out for the first voltage stabilizing pipeline and the second voltage stabilizing pipeline
Water balance, ensures out water steadying.
4th, the present invention is provided with telescopic piston device, can realize the automatic-diversion closure in device leak.
5th, spool top of the invention is taper, and the current that can be entered with uniform divided flows from main pipeline, reduce single voltage stabilizing
The operating pressure of valve, expands its working range；Resetting spring is additionally provided with, can play the role of tentatively adjusting intake pressure.
6th, when failure phenomenon occurs in use in pressure maintaining valve, its work can be automatically stopped, reach protection pipeline and
Equipment, while can also be worked on by another pressure maintaining valve and complete task.With money pressure maintaining valve there are small pressure differential, pass through
Bistable pressure valve bar thick stick principle can be good at controlling its pressure, its discharge pressure is more met the requirements, and reduce pressure differential, and pipeline is set
Standby use that can be safer；When pressure maintaining valve leak, it can be ended by the throttle valve of setting, reduce the wave of water resource
Take, can also protecting effect, reduce loss.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention using the pipeline voltage stabilizer of the flow regulator of structure 1.；
Fig. 2 is structure diagram of the present invention using the pipeline voltage stabilizer of the flow regulator of structure 2.；
Fig. 3 is structure diagram of the present invention using the pipeline voltage stabilizer of the flow regulator of structure 3..
Description of reference numerals：
The first voltage stabilizings of 1- pipeline, the first pressure maintaining valves of 11-, the second voltage stabilizings of 2- pipeline, the second pressure maintaining valves of 21-, 3- flow-rate adjustments
Device, 30- limit springs, 31- wrap boards, 32- rotation axis, 33- water fenders, 34- water shutoffs plate, 35- accommodate pipe, 36- partition plates, 37-
First magnet, the second magnets of 38-, 39- connecting rods, 4- water leakage interceptions device, 41- leaks compartment, 43- hydraulic cylinders, 441- top plugs,
Plug, 443- cylinders, 45- resetting springs, 46- valve seats, 47- spools, 5- reducing diameter parts under 442-.
Embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figs. 1-3, including the first voltage stabilizing pipeline 1 and the second voltage stabilizing pipeline 2 that are arranged in parallel on main pipeline；First
The first pressure maintaining valve 11 and the second pressure maintaining valve 21 are respectively arranged with 1 and second voltage stabilizing pipeline 2 of voltage stabilizing pipeline；First voltage stabilizing pipeline 1
Opposite main pipeline is symmetrical arranged with the shape size of the second voltage stabilizing pipeline 2；First voltage stabilizing pipeline 1 and the second voltage stabilizing pipeline 2 connect
It is logical to circularize and connected with main pipeline；First pressure maintaining valve 11 and the second pressure maintaining valve 21 are symmetricly set on main pipeline both sides；Wherein,
Reducing diameter part 5 is set respectively on the voltage stabilizing pipeline of 21 water outlet side of one pressure maintaining valve 11 and the second pressure maintaining valve；The flow of one moving seesaw-type
The positive and negative linkage of regulating device 3 adjusts 21 water outlet one of the first voltage stabilizing pipeline 1 and the second pressure maintaining valve of 11 water outlet side of the first pressure maintaining valve
The flow of second voltage stabilizing pipeline 2 of side；Due to the structure of moving seesaw-type, it is that one end is raised that positive and negative linkage, which is adjusted, and the other end accordingly drops
It is low, so that water stream channel is while expand, another side accordingly reduces；When the water flux density of the water outlet side of the first pressure maintaining valve 11 is big
When the water flux density of the water outlet side of the second pressure maintaining valve 21, lever occurs under the action of current and turns for flow regulator 3
It is dynamic, so as to adjust the water flux density of 21 water outlet side of 11 water outlet side of the first pressure maintaining valve and the second pressure maintaining valve, ensure the water of both sides
Circulation is identical all the time.
In the present solution, the flow regulator 3 of moving seesaw-type is one of following three kinds of structures：
1. as shown in Figure 1, the flow regulator 3 is arranged between the first voltage stabilizing pipeline 1 and the second voltage stabilizing pipeline 2,
Including a wrap board 31；There is a rotation axis 32 at the middle part of wrap board 31, and both ends are both provided with a water fender 33 and a water shutoff plate 34；Two gears
Water plate 33 is respectively protruding into the of in the first voltage stabilizing pipeline 1 of 11 water outlet side of the first pressure maintaining valve and 21 water outlet side of the second pressure maintaining valve
In two voltage stabilizing pipelines 2；Two water shutoff plates 34 slide against respectively seals 31 and first voltage stabilizing pipeline 1 of wrap board and the second voltage stabilizing pipeline
21 fit clearance；When the flow of the voltage stabilizing pipeline of side is big compared with opposite side, the water fender 33 in the voltage-stabiliser tube of larger flow
Moved down under flow action, flow is reduced by covering or part covering voltage stabilizing pipeline reducing diameter part 5；Meanwhile smaller flow
Water fender 33 in voltage-stabiliser tube moves up under the action of wrap board 31, by increasing flow away from voltage stabilizing pipeline reducing diameter part 5, so that
Realize the water flux density for adjusting two voltage-stabiliser tubes, ensure the identical purpose of the water flux density of two voltage-stabiliser tubes, it is anticipated that, due to water
The fluctuation of stream, this adjusting process are passive, real-time and continual.
2. the as shown in Fig. 2, 21 water outlet side of the first voltage stabilizing pipeline 1 and the second pressure maintaining valve of 11 water outlet side of the first pressure maintaining valve
The second voltage stabilizing pipeline 2 between be provided with a receiving pipe 35；Receiving pipe 35 both ends respectively with the first voltage stabilizing pipeline 1 and second
Voltage stabilizing pipeline 2 connects, and middle part is provided with the partition plate 36 of a segmentation both sides current；One wrap board 31, which is arranged on, to be accommodated in pipe 35, wrap board
There is a rotation axis 32 at 31 middle parts, and rotation axis 32 is arranged on partition plate 36；Set up separately in 36 both sides of partition plate 31 both sides of wrap board；31 liang of wrap board
End is both provided with a water fender 33；Two water fenders 33 are respectively protruding into the first voltage stabilizing pipeline 1 and in the second voltage stabilizing pipeline 2；When
When the flow of the voltage stabilizing pipeline of side is big compared with opposite side, under water fender 33 in the voltage-stabiliser tube of larger flow is under flow action
Move, flow is reduced by covering or part covering voltage stabilizing pipeline reducing diameter part 5；Meanwhile the water blocking in the voltage-stabiliser tube of smaller flow
Plate 33 moves up under the action of wrap board 31, by increasing flow away from voltage stabilizing pipeline reducing diameter part 5, so as to fulfill two voltage stabilizings are adjusted
The water flux density of pipe, ensures the identical purpose of water flux density of two voltage-stabiliser tubes, it is anticipated that, due to the fluctuation of current, this
One adjusting process is passive, real-time and continual.
3. as shown in figure 3,1 interior and 21 water outlet one of the second pressure maintaining valve of the first voltage stabilizing pipeline of 11 water outlet side of the first pressure maintaining valve
One first magnet 37 is respectively arranged with second voltage stabilizing pipeline 2 of side；First magnet 37 passes through 30 spacing movement of limit spring；Institute
The the first voltage stabilizing pipeline 1 and 2 periphery of the second voltage stabilizing pipeline for stating the lower section of the first magnet 37 are arranged with one second magnet 38 respectively；Two
Second magnet 38 is connected with each other by a connecting rod 39；The middle part of connecting rod 39 sets rotation axis 32；When the voltage stabilizing pipeline of side
When flow is big compared with opposite side, the first magnet 37 in the voltage-stabiliser tube of larger flow moves down under flow action, passes through covering or portion
Covering voltage stabilizing pipeline reducing diameter part 5 is divided to reduce flow；Meanwhile first magnet 37 in folding process by magneticaction below
The second magnet 38, the second magnet 38 moves down, and being rotated by connecting rod 39 moves up the second magnet 38 of opposite side, so as to pass through
First magnet 37 of the magneticaction above it moves up, and increases flow away from reducing diameter part 5, realizes linkage process；So as to fulfill tune
The water flux density of two voltage-stabiliser tubes is saved, ensures the identical purpose of the water flux density of two voltage-stabiliser tubes, it is anticipated that, due to the ripple of current
Dynamic property, this adjusting process is passive and continual.
Further, the pipeline voltage stabilizer is additionally included in the leak section for the main line that shuts off during pipeline voltage stabilizer leak
Flow device 4.
Further, the water leakage interception device 4 include being arranged on valve seat 46 in main pipeline water inlet and with valve seat 46
The spool 47 of cooperation；The mating surface of the spool 47 and valve seat 46 is taper；The current that can be entered with uniform divided flows from main pipeline,
Reduce the operating pressure of single pressure maintaining valve, expand its working range；The moving resistance of spool 47 can also be reduced.
Further, the water leakage interception device 4 further include sealing be set in the first pressure maintaining valve 11, the second pressure maintaining valve 21 with
And the leak compartment 41 and one outside flow regulator 3 connects the hydraulic cylinder 43 of leak compartment 41；Slide described 47 one end of spool
Dynamic to be set in hydraulic cylinder 43, the other end stretches into voltage stabilizing pipeline and opposite with valve seat 46；The leak compartment 41 and hydraulic cylinder
43 promote spool 47 to engage the main pipeline that shuts off with valve seat 46 by internal pressure.
Further, the spool 47 includes the top plug 441 being connected with each other by a cylinder 443 and lower plug 442；Top plug
441 in voltage stabilizing pipeline；Lower plug 442 is set in hydraulic cylinder 43；One is additionally provided between the lower plug 442 and hydraulic cylinder 43
Resetting spring 45, can play the role of tentatively adjusting intake pressure；It is lower plug 442 compression sectional area be more than top plug 441 by
Sectional area is pressed, pressure in hydraulic cylinder 43 can be made still to be realized on promotion spool 47 in the case of pressure of intaking less than main pipeline
Move.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
- A kind of 1. pipeline voltage stabilizer, it is characterised in that：Including the first voltage stabilizing pipeline being arranged on after parallel with one another on main pipeline (1) and the second voltage stabilizing pipeline (2)；The first pressure maintaining valve is respectively arranged with first voltage stabilizing pipeline (1) and the second voltage stabilizing pipeline (2) (11) and the second pressure maintaining valve (21)；The flow regulator (3) of one moving seesaw-type is arranged on the first voltage stabilizing pipeline (1) and the second voltage stabilizing The water outlet side of pipeline (2), and positive and negative linkage adjusts one effluent of the first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet The size of amount；Contracting is respectively arranged with the voltage stabilizing pipeline of first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet side Footpath portion (5)；The flow regulator (3) includes a wrap board (31)；There is a rotation axis (32) in the middle part of wrap board (31), both ends are all provided with It is equipped with a water shutoff plate (34)；Two water shutoff plates (34) bear against the outer wall of voltage stabilizing pipeline；Two water fenders (33) connect respectively In the side of two water shutoff plates (34) and stretch into voltage stabilizing pipeline, and close on reducing diameter part (5) setting；The water shutoff plate (34) is slided Sealing coordinates the fit clearance of wrap board (31) and voltage stabilizing pipeline.
- A kind of 2. pipeline voltage stabilizer, it is characterised in that：Including the first voltage stabilizing pipeline being arranged on after parallel with one another on main pipeline (1) and the second voltage stabilizing pipeline (2)；The first pressure maintaining valve is respectively arranged with first voltage stabilizing pipeline (1) and the second voltage stabilizing pipeline (2) (11) and the second pressure maintaining valve (21)；The flow regulator (3) of one moving seesaw-type is arranged on the first voltage stabilizing pipeline (1) and the second voltage stabilizing The water outlet side of pipeline (2), and positive and negative linkage adjusts one effluent of the first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet The size of amount；Contracting is respectively arranged with the voltage stabilizing pipeline of first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet side Footpath portion (5)；The flow regulator (3) includes accommodating pipe (35) and wrap board (31)；It is described accommodate pipe (35) in be provided with every Plate (36), by the chambers for accommodating and managing (35) and being divided into two isolation, the chambers of described two isolation respectively with the first pressure maintaining valve (11) water outlet side is connected with the voltage stabilizing pipeline of the second pressure maintaining valve (21) water outlet side；There is a rotation axis in the middle part of wrap board (31) (32), rotation axis (32) is arranged on partition plate (36)；Set up separately centered on its rotation axis (32) in partition plate on wrap board (31) both sides (36) both sides；Wrap board (31) both ends are both provided with a water fender (33)；Two water fenders (33) close on reducing diameter part (5) respectively.
- A kind of 3. pipeline voltage stabilizer, it is characterised in that：Including the first voltage stabilizing pipeline being arranged on after parallel with one another on main pipeline (1) and the second voltage stabilizing pipeline (2)；The first pressure maintaining valve is respectively arranged with first voltage stabilizing pipeline (1) and the second voltage stabilizing pipeline (2) (11) and the second pressure maintaining valve (21)；The flow regulator (3) of one moving seesaw-type is arranged on the first voltage stabilizing pipeline (1) and the second voltage stabilizing The water outlet side of pipeline (2), and positive and negative linkage adjusts one effluent of the first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet The size of amount；Contracting is respectively arranged with the voltage stabilizing pipeline of first pressure maintaining valve (11) and the second pressure maintaining valve (21) water outlet side Footpath portion (5)；The flow regulator (3) includes two the first magnets (37) and two the second magnets (38)；Two the first magnetic Body (37), which is separately positioned on, to be closed in the voltage stabilizing pipeline of reducing diameter part (5)；Two the first magnets (37) pass through limit spring respectively (30) spacing movement；Two the second magnets (38) are respectively sleeved on the voltage stabilizing pipeline periphery below reducing diameter part (5)；Two second Magnet (38) is connected with each other by a connecting rod (39)；Rotation axis (32) is set in the middle part of connecting rod (39).
- A kind of 4. pipeline voltage stabilizer as described in claims 1 to 3 any claim, it is characterised in that：Further include leak Cut-off equipment (4).
- A kind of 5. pipeline voltage stabilizer as claimed in claim 4, it is characterised in that：The water leakage interception device (4) includes setting Put the valve seat (46) in main pipeline water inlet and the spool (47) coordinated with valve seat (46)；The spool (47) and valve seat (46) Mating surface be taper.
- A kind of 6. pipeline voltage stabilizer as claimed in claim 5, it is characterised in that：The water leakage interception device (4) further includes Sealing be set in the leak compartment (41) of the first pressure maintaining valve (11), the second pressure maintaining valve (21) and flow regulator (3) outside with And one connection leak compartment (41) hydraulic cylinder (43)；Described spool (47) one end is slidably located in hydraulic cylinder (43), another End is stretched into voltage stabilizing pipeline and opposite with valve seat (46)；The leak compartment (41) and hydraulic cylinder (43) promote spool by internal pressure (47) main pipeline that shuts off is engaged with valve seat (46).
- A kind of 7. pipeline voltage stabilizer as claimed in claim 6, it is characterised in that：The spool (47) includes passing through a cylinder (443) top plug (441) being connected with each other and lower plug (442)；Top plug (441) is located in voltage stabilizing pipeline；Lower plug (442) is set in water In cylinder pressure (43)；A resetting spring (45) is additionally provided between the lower plug (442) and hydraulic cylinder (43)；It is lower plug (442) by Sectional area is pressed to be more than the compression sectional area of top plug (441).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795252.7A CN106122550B (en) | 2016-08-31 | 2016-08-31 | A kind of pipeline voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795252.7A CN106122550B (en) | 2016-08-31 | 2016-08-31 | A kind of pipeline voltage stabilizer |
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| Publication Number | Publication Date |
|---|---|
| CN106122550A CN106122550A (en) | 2016-11-16 |
| CN106122550B true CN106122550B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610795252.7A Active CN106122550B (en) | 2016-08-31 | 2016-08-31 | A kind of pipeline voltage stabilizer |
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| CN (1) | CN106122550B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106983527B (en) * | 2017-03-20 | 2019-09-24 | 四川大学华西医院 | A kind of Flexible ureteroscope water filling device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055223A (en) * | 1998-08-07 | 2000-02-22 | Toyota Autom Loom Works Ltd | Differential pressure control valve and compressor |
| JP2005207510A (en) * | 2004-01-23 | 2005-08-04 | Jiyopuratsukusu Kk | Selector valve |
| CN201934719U (en) * | 2010-09-20 | 2011-08-17 | 合肥富昌工贸有限公司 | Cold hot water conversion valve of water dispenser |
| JP5818498B2 (en) * | 2011-04-22 | 2015-11-18 | 株式会社不二工機 | Directional switching valve |
| DE202012004020U1 (en) * | 2012-04-20 | 2012-05-15 | Bürkert Werke GmbH | Fluidic control |
| CN202580138U (en) * | 2012-06-03 | 2012-12-05 | 张潇月 | Automatic constant-temperature water supply device |
| CN203453544U (en) * | 2013-08-29 | 2014-02-26 | 苏州工业园区咖乐美电器有限公司 | Liquid shunting device |
| CN206112187U (en) * | 2016-08-31 | 2017-04-19 | 福建金源泉科技发展有限公司 | Pipeline voltage regulator device |
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2016
- 2016-08-31 CN CN201610795252.7A patent/CN106122550B/en active Active
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