CN110410534B - Multi-channel flow control valve - Google Patents
Multi-channel flow control valve Download PDFInfo
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- CN110410534B CN110410534B CN201910759546.8A CN201910759546A CN110410534B CN 110410534 B CN110410534 B CN 110410534B CN 201910759546 A CN201910759546 A CN 201910759546A CN 110410534 B CN110410534 B CN 110410534B
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- flow control
- coupler
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 229920001971 elastomer Polymers 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000006698 induction Effects 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000002585 base Substances 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract 1
- 239000000306 component Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Multiple-Way Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a multichannel flow control valve which comprises a pressing plate, a sealing ring, a valve head, a rubber diaphragm, a grinding head, a conversion head, an induction plate, a coupler, an elastic part, a base plate, a motor, a sliding bearing, a code disc, a bearing bush and a valve body. The invention takes the grinding head and the conversion head as cores and takes the elastomer characteristic of the rubber diaphragm as assistance, realizes the miniaturized integration while the multichannel flow control, has the characteristics of wear resistance, long service life and large working pressure, and has strong applicability to complex use scenes of various water quality equipment.
Description
Technical Field
The invention belongs to the field of water quality analysis, and particularly relates to a multichannel flow control valve.
Background
The multichannel flow control valve is a key component in the water quality analyzer, and the extraction and the evacuation of a water sample and a reagent of the analyzer are realized by the flow control valve. At present, most of domestic manufacturers of continuous automatic online monitoring analyzers for water quality use flow control valves as imported products. The function of the flow control valve in the water quality analyzer is that the instrument can respectively extract different reagents or water samples through the valve and discharge the waste liquid and the cleaning waste water after analysis; because of the excellent chemical stability, the liquid extraction device is safe and reliable to use and stable in performance, can be switched in multiple channels when extracting liquid, is accurate in liquid extraction amount control, has no mutual interference among the liquids, and is applied by a plurality of factories. Besides being applied to the field of water quality analysis, the multichannel flow control valve can also be used in liquid phase mass spectrometry and liquid chromatograph, and is a core component in various related devices.
At present, the most similar implementation schemes of the multichannel flow control valve in the market are as follows:
for a multi-channel valve (see fig. 1) for realizing multi-channel switching by adopting the rotation of a rotor with diversion trenches and a stator with a central common port and circumferentially distributed surrounding holes, the valve has the defects that:
1) The contact surface of the rotor and the stator is sealed, both surfaces are rigid surfaces, the contact area is large, and the sealing difficulty is high; the requirements on the processing precision of the parts are extremely high in order to realize the sealing and isolation between different ports.
2) The contact surface of the stator and the rotor is continuously worn in the rotating process of the rotor, the wear resistance requirement on parts is extremely high, and because the contact surface is large, uneven wear is easy to generate, liquid leakage and air leakage are caused, and the service life is short;
3) The method is difficult to be applied to application scenes in which solid particles exist in a water sample, and the solid particles are extremely easy to damage the sealing surface of the stator and the rotor to cause air leakage, so that the method is poor in adaptability under severe working conditions.
The other is that 10 ports around the communication are controlled by the on-off circuit of the electromagnetic valve of each port through the central public port on the valve head (see figure 2), and the valve is a parallel electromagnetic valve, so that the size is seriously larger, the structure is not compact, the connection mode of each port is threaded connection, the efficiency of the external connection mode of the interface is low, and the operation difficulty is large. 2) The multi-channel valve opening switching is realized by integrating a plurality of diaphragm type electromagnetic valves on the manifold base plate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multichannel flow control valve which is safe and reliable to use, can stably switch multiple channels when different reagents or water samples are extracted, and has no mutual interference among the liquids.
The aim of the invention is realized by the following technical scheme:
the multichannel flow control valve is characterized by comprising a pressing plate, a sealing ring, a valve head, a rubber diaphragm, a grinding head, a conversion head, an induction plate, a coupler, an elastic component, a base plate, a motor, a thrust bearing, a code disc, a bearing bush and a valve body;
the valve head is arranged opposite to the pressing plate, through holes in the valve head are arranged in one-to-one correspondence with the central holes and the valve port position holes in the pressing plate, O-shaped sealing rings are arranged at positions corresponding to the central holes and the valve port position holes in the pressing plate, the right end of the valve head is fixed on the valve body, a rubber diaphragm, a grinding head and a conversion head are sequentially arranged at the right end of the valve head in the valve body, through holes of the valve head are sequentially arranged in one-to-one correspondence with the through holes in the rubber diaphragm and the grinding head, a straight-line-shaped guide groove is arranged on the joint surface of the conversion head and the grinding head, the direction of the straight-line-shaped guide groove extends outwards in the radial direction from the central holes, the distribution radius of the straight-line-shaped guide groove is the same as that of the peripheral holes in the grinding head, namely, the through holes in the straight-line-shaped guide groove correspond to one designated peripheral holes, and the grinding head, the rubber diaphragm and the valve head are in one-to-one correspondence; the valve head, the rubber diaphragm, the grinding head and the holes or grooves on the conversion head form a liquid passing channel;
the motor is fixed on the base plate from right to left, the motor shaft penetrates through a hole in the base plate and is connected with the coupler, an elastic part and a thrust bearing are sequentially arranged between the coupler and the base plate, and the elastic part and the thrust bearing are sleeved on the coupler; the left end of the coupler is fixedly arranged with the right end of the conversion head, the bearing bush is arranged in the circumferential direction of the joint, the code wheel is sleeved on the circumferential direction of the coupler, the induction plate is fixed at the set position of the valve body, the inductor on the induction plate is arranged opposite to the opening on the code wheel, and the inductor on the induction plate and the code wheel cooperatively feed back to induce and identify the position of the straight guide slot on the conversion head, so that the central hole and the appointed peripheral hole of the control conducting valve are realized; the thrust bearing and the coupling compress the elastic component to generate thrust, and the conversion head, the grinding head, the rubber diaphragm and the valve head are compressed, so that the joint surfaces between every two are compressed and sealed.
Further, the grinding head and the conversion head are made of special ceramic materials.
Furthermore, the O-shaped sealing ring, the valve head, the rubber diaphragm, the grinding head and the conversion head are made of acid and alkali corrosion resistant materials.
Further, the through hole on the valve head is divided into two sections, wherein the central hole is divided into two sections of straight-through section holes, and the circumferential valve port position holes are divided into straight-through section holes and inclined section holes.
Further, the elastic component is a belleville spring.
Further, the valve further comprises a sliding bearing, wherein the sliding bearing is arranged between the thrust bearing and one shaft shoulder of the motor, and limiting is further achieved.
The beneficial effects of the invention are as follows:
(1) According to the invention, the efficiency and the accuracy of the conduction control of each channel of the multi-channel valve are ensured through the accurate opposite arrangement of the code disc and the induction plate, the outer pipeline is connected in a direct-plug and direct-pull mode through the O-shaped sealing ring, the difficulty of pipeline connection is reduced, and the operation is simple and the reliability is high;
(2) The liquid path conduction control component is made of special ceramic, has high wear resistance and strong chemical corrosion resistance, and can adapt to various complex use environments; the service life is long;
(3) The invention has high integrated level and small volume of the whole structure.
(4) The external connection mode of the invention is direct insertion and direct pulling, the connection pipeline is convenient and quick, the operation difficulty is low, and the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of one of the multichannel fluidic valves in the background art;
FIG. 2 is a schematic diagram of another multi-channel flow control valve of the background art;
fig. 3 is a perspective view of a multi-channel flow control valve of the present invention;
fig. 4 is an exploded view of the multi-channel flow control valve of the present invention;
fig. 5 is a left side view of the multi-channel flow control valve of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a schematic diagram of the working principle of the code wheel;
the device comprises a 1-stator, a 2-rotor, a 3-stator multi-channel port, a 4-rotor guide groove, a 5-stator common port, a 6-electromagnetic valve, a 7-rubber diaphragm, an 8-manifold valve head, a 9-pressing plate, a 10-O-shaped sealing ring, an 11-valve head, a 12-rubber diaphragm, a 13-grinding head, a 14-conversion head, a 15-induction plate, a 16-coupling, a 17-belleville spring, an 18-backing plate, a 19-motor, a 20-sliding bearing, a 21-thrust bearing, a 22-code disc, a 23-bearing bush and a 24-valve body.
Detailed Description
The objects and effects of the present invention will become more apparent from the following detailed description of the preferred embodiments and the accompanying drawings, in which the present invention is further described in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 3-7, the multi-channel flow control valve of the invention comprises a pressing plate 9, an O-ring 10, a valve head 11, a rubber diaphragm 12, a grinding head 13, a conversion head 14, a sensing plate 15, a coupling 16, a belleville spring 17, a backing plate 18, a motor 19, a sliding bearing 20, a thrust bearing 21, a code wheel 22, a bearing bush 23 and a valve body 24;
from left to right, be provided with a centre bore and a plurality of valve port position holes along circumference evenly distributed on the clamp plate 9, valve head 11 sets up with clamp plate 9 relatively, through-hole on the valve head 11 and centre bore on the clamp plate 9, valve port position hole one-to-one sets up, and the through-hole on the valve head 11 sets up O type sealing washer 10 with the position that centre bore on the clamp plate 9, valve port position hole correspond, external pipeline passes centre bore on the clamp plate 9, valve port position hole, through O type sealing washer and valve head 11 direct plug, sealing performance has been improved, the degree of difficulty of pipeline connection has been reduced, easy operation is high reliability.
The through hole on the valve head 11 is divided into two sections, wherein the central hole is divided into two sections of straight-through section holes, the circumferential valve port position hole is divided into straight-through section holes and inclined section holes, the right end of the valve head 11 is fixed on the valve body 24, a rubber diaphragm 12, a grinding head 13 and a conversion head 14 are sequentially arranged at the right end of the valve head 11 in the valve body 24, the through holes of the valve head 11 are sequentially arranged in one-to-one correspondence with the through holes on the rubber diaphragm 12 and the grinding head 13, a straight-line-shaped guide groove is arranged on the joint surface of the conversion head 14 and the grinding head 13, the direction of the straight-line-shaped guide groove extends outwards along the radial direction from the central hole, the length of the straight-line-shaped guide groove is identical with the distribution radius of the peripheral hole on the grinding head 13, namely, the central hole of the straight-line-shaped guide groove is correspondingly communicated with one designated peripheral hole, and the grinding head 13, the rubber diaphragm 12 and the valve head 11 hole are arranged in one-to-one correspondence; the valve head 11, the rubber diaphragm 12, the grinding head 13 and the holes or grooves on the conversion head 14 form a liquid passing channel.
The motor 19 is fixed on the backing plate 18 from right to left, the motor shaft passes through a hole in the backing plate 18 and is connected with the coupler 16, a shaft shoulder is arranged in the axial direction of the coupler 16, the backing plate 18 is also provided with a step, a belleville spring 17, a thrust bearing 21 and a sliding bearing 20 are sequentially arranged between the shaft shoulder of the coupler 16 and the step of the backing plate 18, and all the three are sleeved on the coupler 16; the left end of the coupler 16 is fixedly arranged at the right end of the conversion head 14, the bearing bush 23 is arranged in the circumferential direction of the joint, the code wheel 22 is sleeved on the circumferential direction of the coupler 16, the induction plate 15 is fixed at the set position of the valve body 24, the inductor on the induction plate 15 is oppositely arranged with the opening on the code wheel 22, and the inductor on the induction plate 15 and the code wheel 22 cooperatively feed back to induce and identify the position of the straight-line-shaped guide groove on the conversion head 14, so that the central hole and the appointed peripheral hole of the control conduction valve are realized. The thrust bearing 21 and the coupler 16 compress the belleville springs 17 to generate thrust, and the conversion head 14, the grinding head 13, the rubber diaphragm 12 and the valve head 11 are compressed, so that the joint surfaces between the conversion head 14 and the grinding head 13, between the grinding head 13 and the rubber flat diaphragm 12, and between the rubber diaphragm 12 and the valve head 11 are compressed and sealed.
The output shaft of the motor 19 rotates to drive the coupler 16 to correspondingly rotate, and the coupler 16 rotates to drive the code disc 22 and the conversion head 14 to correspondingly rotate, so that the central hole and different peripheral holes of the pressure plate 9 are switched.
Preferably, the grinding head 13 and the conversion head 14 are made of special ceramic materials, and have wear resistance, good sealing performance and high sealing pressure.
Preferably, the O-shaped sealing ring 10, the valve head 11, the rubber diaphragm 12, the grinding head 13 and the conversion head 14 are made of acid and alkali corrosion resistant materials.
The invention takes the special ceramic valve core with wear resistance and acid and alkali corrosion resistance as a core, and realizes miniaturized integration while multi-channel flow control; the accurate relative setting of code wheel and induction plate guarantees the efficiency and the accuracy of multichannel valve's each passageway conduction control, and the mode of directly inserting the direct pulling through O type sealing washer is connected to outer pipeline, has reduced the degree of difficulty of pipeline connection, easy operation reliability height.
It will be appreciated by persons skilled in the art that the foregoing description is a preferred embodiment of the invention, and is not intended to limit the invention, but rather to limit the invention to the specific embodiments described, and that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for elements thereof, for the purposes of those skilled in the art. Modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The multichannel flow control valve is characterized by comprising a pressing plate (9), an O-shaped sealing ring (10), a valve head (11), a rubber diaphragm (12), a grinding head (13), a conversion head (14), an induction plate (15), a coupler (16), an elastic part (17), a base plate (18), a motor (19), a thrust bearing (21), a code disc (22), a bearing bush (23) and a valve body (24);
the pressing plate (9) is provided with a central hole and a plurality of valve port position holes which are uniformly distributed along the circumferential direction from left to right, the valve head (11) is arranged opposite to the pressing plate (9), through holes on the valve head (11) are arranged in one-to-one correspondence with the central hole and the valve port position holes on the pressing plate (9), O-shaped sealing rings (10) are arranged at positions, corresponding to the central hole and the valve port position holes, on the valve head (11), of the valve head (11) are fixed on a valve body (24), rubber diaphragms (12), grinding heads (13) and conversion heads (14) are sequentially arranged at the right end of the valve head (11), the through holes of the valve head (11) are sequentially arranged in one-to-one correspondence with the through holes on the rubber diaphragms (12) and the grinding heads (13), the straight guide grooves are arranged on the joint surface of the conversion heads (14) and the grinding heads (13), the straight guide grooves extend outwards along the radial direction from the central hole, the length of the straight guide grooves is equal to the diameter of the central hole (9), and the diameter of the straight guide grooves is equal to the diameter of the corresponding to the outer diameter of the peripheral hole of the grinding head (13), namely, corresponding to the diameter of the guide groove (13) to the corresponding to the central hole of the rubber diaphragm (12) is arranged, and the diameter of the guide groove is equal to the diameter of the corresponding to the peripheral hole; the valve head (11), the rubber diaphragm (12), the grinding head (13) and the holes or grooves on the conversion head (14) form a liquid passing channel;
the motor (19) is fixed on the backing plate (18) from right to left, the motor shaft penetrates through a hole in the backing plate (18) and is connected with the coupler (16), an elastic part (17) and a thrust bearing (21) are sequentially arranged between the coupler (16) and the backing plate (18), and the elastic part and the thrust bearing are sleeved on the coupler (16); the left end of the coupler (16) is fixedly arranged at the right end of the conversion head (14), a bearing bush (23) is arranged at the circumference of the joint, the code wheel (22) is sleeved on the circumference of the coupler (16), the induction plate (15) is fixed at a set position of the valve body (24), the inductor on the induction plate (15) is opposite to the opening on the code wheel (22), and the position of the straight-line-shaped guide groove on the conversion head 14 is identified through the inductor on the induction plate (15) and the code wheel (22) in a cooperative feedback manner, so that the central hole and the appointed peripheral hole of the control conducting valve are realized; the thrust bearing (21) and the coupling (16) compress the elastic component (17) to generate thrust, and the pressing conversion head (14), the grinding head (13), the rubber diaphragm (12) and the valve head (11) are pressed tightly, so that the joint surfaces between every two are pressed tightly and sealed.
2. The multi-channel flow control valve according to claim 1, characterized in that the grinding head (13) and the switching head (14) are made of special ceramic materials.
3. The multi-channel flow control valve according to claim 1, wherein the O-shaped sealing ring (10), the valve head (11), the rubber diaphragm (12), the grinding head (13) and the conversion head (14) are made of acid and alkali corrosion resistant materials.
4. The multi-channel flow control valve according to claim 1, wherein the through hole of the valve head (11) is divided into two sections, wherein the central hole is divided into two sections of through section holes, and the circumferential valve port position holes are divided into the through section holes and the inclined section holes.
5. The multi-channel flow control valve according to claim 1, characterized in that the elastic member (17) is a belleville spring.
6. The multi-channel flow control valve according to claim 1, further comprising a sliding bearing (20), wherein the sliding bearing (20) is arranged between the thrust bearing (21) and a stepped hole of the backing plate (18) to further realize limiting.
Priority Applications (1)
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CN201910759546.8A CN110410534B (en) | 2019-08-16 | 2019-08-16 | Multi-channel flow control valve |
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CN201910759546.8A CN110410534B (en) | 2019-08-16 | 2019-08-16 | Multi-channel flow control valve |
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CN110410534A CN110410534A (en) | 2019-11-05 |
CN110410534B true CN110410534B (en) | 2024-02-20 |
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CN201910759546.8A Active CN110410534B (en) | 2019-08-16 | 2019-08-16 | Multi-channel flow control valve |
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Families Citing this family (2)
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CN112610722A (en) * | 2020-12-12 | 2021-04-06 | 南京康测自动化设备有限公司 | High-temperature-resistant and corrosion-resistant multi-channel quick switching valve |
CN116261636A (en) * | 2021-02-10 | 2023-06-13 | 浙江吉利控股集团有限公司 | Integrated multi-way electromagnetic valve and automobile thermal management system |
Citations (5)
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CN105240572A (en) * | 2015-11-20 | 2016-01-13 | 广东伟创科技开发有限公司 | Multichannel switching control valve |
WO2017209867A1 (en) * | 2016-06-01 | 2017-12-07 | Parker-Hannifin Corporation | Hydraulic motor disc valve optimization |
CN206889746U (en) * | 2017-06-07 | 2018-01-16 | 佛山市科钜医疗器械有限公司 | One kind conversion pressure water valve |
CN108757995A (en) * | 2018-07-24 | 2018-11-06 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
CN210372137U (en) * | 2019-08-16 | 2020-04-21 | 凯铭科技(杭州)有限公司 | Multi-channel flow control valve |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014011960A2 (en) * | 2012-07-12 | 2014-01-16 | Isenhour James | Valve assembly |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105240572A (en) * | 2015-11-20 | 2016-01-13 | 广东伟创科技开发有限公司 | Multichannel switching control valve |
WO2017209867A1 (en) * | 2016-06-01 | 2017-12-07 | Parker-Hannifin Corporation | Hydraulic motor disc valve optimization |
CN206889746U (en) * | 2017-06-07 | 2018-01-16 | 佛山市科钜医疗器械有限公司 | One kind conversion pressure water valve |
CN108757995A (en) * | 2018-07-24 | 2018-11-06 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
CN210372137U (en) * | 2019-08-16 | 2020-04-21 | 凯铭科技(杭州)有限公司 | Multi-channel flow control valve |
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