CN108757995A - A kind of multichannel flow control valve - Google Patents
A kind of multichannel flow control valve Download PDFInfo
- Publication number
- CN108757995A CN108757995A CN201810819222.4A CN201810819222A CN108757995A CN 108757995 A CN108757995 A CN 108757995A CN 201810819222 A CN201810819222 A CN 201810819222A CN 108757995 A CN108757995 A CN 108757995A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- pull rod
- iron core
- dynamic iron
- seat
- 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.)
- Granted
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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
- 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
- F16K11/022—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising a deformable member
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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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0641—Multiple-way valves the valve member being a diaphragm
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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
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention discloses a kind of multichannel flow control valve, which includes pressing plate, valve head, diaphragm seat, diaphragm, diaphragm pull rod, pull-rod spring, main shaft, fixed core, optoelectronic induction plate, motor, code-disc, coil, dynamic iron core spring, dynamic iron core, pull rod plectrum, draw-bar seat.The present invention is using high chemical resistance rubber diaphragm as core, and miniaturization is integrated while realizing multichannel flow control；Multiple diaphragms share the electromagnet of one big pulling force, and miniaturization while ensure that the efficiency and precision of diaphragm switch action, and external connection mode is direct inserting and drawing, and connecting line is convenient and efficient, and operation difficulty is low, reliability height.
Description
Technical field
The invention belongs to water analysis fields, and in particular to a kind of multichannel flow control valve.
Background technology
Multichannel flow control valve is a critical component in Water Test Kits, the extraction of the water sample, reagent of analyzer and row
Sky is required to be realized by flow control valve.At present used in the producer of the continuous automatic on-line monitoring analyzer of most domestic water quality
Flow control valve is imported product.It is different that function of the flow control valve in Water Test Kits is that instrument can be extracted respectively by the valve
Waste liquid after reagent or water sample, and discharge analysis and cleaning waste water；Because its chemical stability is splendid, safe and reliable, property
Can stablize, when extracting liquid can multichannel switching, liquid-taken amount control is accurate, without interfering with each other between each liquid, and by many factories
Family is applied.Other than being applied to water analysis field, multichannel flow control valve can be also used for liquid chromatography mass spectrometric, liquid chromatograph
In, it is the core component in all kinds of relevant devices.
Currently, in multichannel flow control valve in the market, it is a kind of for using the rotor with diversion trench with center common port with
The shortcomings that stator cooperation rotation of circle distribution holes around, the multiple valve (referring to attached drawing 1) of realization multichannel switching, this valve
It is：
1) rotor stator contact surface seals, and two faces are all rigid face, and contact area is big, and sealing difficulty is high；To realize not
Part processing precision is required with the seal isolation between mouth position high.
2) stator can constantly be worn with rotor interface in rotor rotation process, high to the requirement of part wearability, and
Since contact surface is big, easy tos produce uneven wear and lead to alter liquid and gas leakage, working life is short；
3) application scenarios for having solid particle in water sample are difficult to be applicable in, hard solid particle is easy to damage stator
Rotor seal face leads to gas leakage, bad adaptability under bad working environments.
Another kind is controlled by the break-make road of the solenoid valve of each port around unicom for the center common port on valve head
10 mouth positions (referring to attached drawing 2), for such valve due to being solenoid valve in parallel, size is seriously bigger than normal, and structure is not compact, and each
The connection type of mouth position is to be threadedly coupled, and interface external connection mode efficiency is low, and operation difficulty is big.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of multichannel flow control valve, which uses
Securely and reliably, can steadily when extracting different reagents or water sample, multichannel switches, without interfering with each other between each liquid.
The purpose of the present invention is realized by following technical solution：
A kind of multichannel flow control valve, which is characterized in that the multichannel flow control valve include pressing plate, valve head, diaphragm seat, diaphragm,
Diaphragm pull rod, pull-rod spring, main shaft, fixed core, optoelectronic induction plate, motor, code-disc, coil, dynamic iron core spring, dynamic iron core, drawing
Bar plectrum, draw-bar seat；
From left to right, it is arranged on the pressing plate there are one centre bore and the multiple valve port positions hole being uniformly distributed circumferentially,
The valve head is oppositely arranged with the pressing plate, and the through-hole on the valve head and the centre bore, valve port position hole are one by one
Be correspondingly arranged, the diaphragm seat is oppositely arranged with the valve head, be provided on the diaphragm seat on the valve head
The diaphragm accessibke porosity that is arranged in a one-to-one correspondence of through-hole, be provided with G types on the diaphragm seat face opposite with the valve head
Centre bore guide groove, described centrally located one end of G type centre bore guide grooves are connected to the centre bore of the pressing plate and valve head, institute
The G type centre bore guide grooves stated are circumferentially arranged multiple diaphragm inner via holes, each diaphragm inner via hole with it is corresponding described
Diaphragm accessibke porosity be located at same radial direction, the other end of the diaphragm seat has been uniformly arranged in the circumferential direction outside each pair of diaphragm of covering
The diaphragm of through-hole and diaphragm inner via hole, and quantity is identical as the quantity of diaphragm accessibke porosity, diaphragm inner via hole；
The draw-bar seat is oppositely arranged with the diaphragm seat, and the diaphragm clamps therebetween, the drawing
It is provided on pole socket and the same number of diaphragm pull rod of diaphragm, one end steady brace spring of the diaphragm pull rod, the other end
It is fixedly connected with the diaphragm；
It turns left from the right side, the motor is fixed on the shell of valve, and the motor output shaft is fixedly connected with a main shaft, institute
The other end for the main shaft stated is inserted into the hole of the draw-bar seat, and the code-disc is set on the main shaft, the light
Electric induction plate is fixed on the motor；The main shaft periphery is arranged dynamic iron core, and the two is circumferentially fixed, axially slidable,
Dynamic iron core spring is provided between the main shaft and the dynamic iron core, coil is arranged in the dynamic iron core periphery, described
One end of dynamic iron core towards the draw-bar seat is fixedly connected with the pull rod plectrum, and the pull rod plectrum can stir the film
The pull-rod spring that piece pull rod drives compression described；
The motor drives the main shaft rotation, the main shaft to drive the dynamic iron core, the rotation of pull rod plectrum,
When pull rod plectrum rotates to specified valve port position, the coil is powered, and it is axial that the dynamic iron core compresses dynamic iron core spring
It is mobile, drive the pull rod plectrum to stir the diaphragm pull rod compression pull-rod spring, while pulling diaphragm axial
It is mobile so as to be formed between diaphragm accessibke porosity, diaphragm inner via hole, G type centre bores guide groove, valve head central hole, pressing plate centre bore logical
Road.
Further, it is sealed by O-ring seal between the pressing plate and the opposite hole of the valve head.
Further, one end that the main shaft is connect with the dynamic iron core has a pair of parallel plane in an axial direction,
The dynamic iron core is realized circumferentially fixed, axially slidable with parallel plane cooperation.
Further, the pull rod plectrum is leaf spring.
Further, the O-ring seals, valve head, diaphragm seat, diaphragm select the material of acid-alkali-corrosive-resisting.
Beneficial effects of the present invention are as follows：
1) fluid path break-make control unit of the invention is rubber material, and when work does not have rigid abrasion, long lifespan；
2) fluid path break-make control unit of the invention is rubber material, this is as elastomer, when there is small particle in liquid
When, sealing effect is not influenced, reliability is high；
3) Electromagnetic Control part of the present invention is Integrated design, and single electromagnet controls multiple channel capacities, substantially reduces
Equipment volume.
4) rigid fricting movement is not present in seal member of the present invention, is not in the failures such as stuck.
5) external connection mode of the present invention is direct inserting and drawing, and connecting line is convenient and efficient, and operation difficulty is low, and reliability is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the one of which multichannel flow control valve of background technology；
Fig. 2 is the structural schematic diagram of another multichannel flow control valve of background technology；
Fig. 3 is the sectional view of the multichannel flow control valve of the present invention；
Fig. 4 is the A-A of multichannel flow control valve to section view；
Fig. 5 is diaphragm fundamental diagram；
Fig. 6 is pull rod plectrum fundamental diagram；
Fig. 7 is code-disc fundamental diagram；
Wherein, 1- stators, 2- rotors, 3- stator multichannel mouths, 4- rotor guide slots, 5- stator common ports, 6- solenoid valves,
7- rubber diaphragms, the branch roads 8- valve head, 9- pressing plates, 10-O shape sealing rings, 11- valve heads, 12- diaphragm seats, 13- diaphragms, 14- diaphragms are drawn
Bar, 15- pull-rod springs, 16- main shafts, 17- fixed cores, 18- tablets, 19- motor housings, 20- motor cabinets, 21- motors, 21-
1- motor output shafts, 22- code-discs, 23- coils, 24- dynamic iron core springs, 25- dynamic iron cores, 26- pull rod plectrums, 27- draw-bar seats.
Specific implementation mode
Below according to attached drawing and the preferred embodiment detailed description present invention, the objects and effects of the present invention will become brighter
In vain, below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in fig. 3 to 7, a kind of multichannel flow control valve of the invention, the multichannel flow control valve include pressing plate 9, the sealing of O shapes
Circle 10, valve head 11, diaphragm seat 12, diaphragm 13, diaphragm pull rod 14, pull-rod spring 15, main shaft 16, fixed core 17, optoelectronic induction plate
18, shell 19, motor cabinet 20, motor 21, code-disc 22, coil 23, dynamic iron core spring 24, dynamic iron core 25, pull rod plectrum 26, pull rod
Seat 27；
From left to right, there are one centre bores and ten valve port positions hole, 10 channel being uniformly distributed circumferentially for setting on pressing plate 9
In the case of, centre bore is controlled to be connected with ten holes of periphery and is connected with cut-out by diaphragm seat 12 with diaphragm 13, realizes multichannel
Switched conductive.
Valve head 11 is oppositely arranged with pressing plate 9, and the through-hole on valve head 11 is arranged in a one-to-one correspondence with centre bore, valve port position hole, pressure
It is sealed by O-ring seal between plate 9 and the opposite hole of valve head 11, diaphragm seat 12 is oppositely arranged with valve head 11, on diaphragm seat 12
It is provided with the diaphragm accessibke porosity being arranged in a one-to-one correspondence with the through-hole on valve head 11, is set on the face opposite with valve head 11 of diaphragm seat 12
G type centre bore guide grooves are equipped with, the centrally located one end of G type centre bore guide grooves is connected to the centre bore of pressing plate 9 and valve head 11, G types
Centre bore guide groove is circumferentially arranged to have multiple diaphragm inner via holes, each diaphragm inner via hole to be located at corresponding diaphragm accessibke porosity same
Radial, the other end of diaphragm seat 12 is uniformly arranged in the circumferential direction the diaphragm for covering each pair of diaphragm accessibke porosity and diaphragm inner via hole
13, and quantity is identical as the quantity of diaphragm accessibke porosity, diaphragm inner via hole；
Draw-bar seat 27 is oppositely arranged with diaphragm seat 12, and diaphragm 13 clamps therebetween, is provided on draw-bar seat 27 and film
13 the same number of diaphragm pull rod 14 of piece, one end steady brace spring 15 of diaphragm pull rod 14, the other end is fixed with diaphragm 13 to be connected
It connects；
It turns left from the right side, motor 21 is fixed on the shell of valve, and motor is fixed by motor cabinet 20 and fixed with motor housing 19,
21 output shaft 21-1 of motor is fixedly connected with a main shaft 16, and the other end of main shaft 16 is inserted into the hole of draw-bar seat 27, and code-disc 22 is arranged
On main shaft 16, optoelectronic induction plate 18 is fixed on motor housing 19；16 periphery of main shaft is arranged dynamic iron core 25, main shaft 16 and dynamic iron
One end that core 25 connects has a pair of parallel plane in an axial direction, dynamic iron core 25 and parallel plane cooperation realize it is circumferentially fixed,
It is axially slidable, dynamic iron core spring 24 is provided between main shaft 16 and dynamic iron core 25, coil 23 is arranged in 25 periphery of dynamic iron core, moves iron
One end of core 25 towards draw-bar seat 27 is fixedly connected with pull rod plectrum 26, and pull rod plectrum 26 can stir diaphragm pull rod 14 and compression is driven to draw
Bar spring 15.
This multiple valve external interface is all distributed on the end face of pressing plate 9, and the pipe docking mode of external connection is logical
It crosses O-ring sealing ring 10 and realizes that straight cutting is dialed directly, piping connection is convenient and efficient.
This multiple valve realizes ten holes and center of periphery by the G shape centre bore guide grooves of diaphragm seat 12 from structure
Hole is closing the distance, and diaphragm 13 is facilitated to work.
Diaphragm 13 is normally off under the spring thrust effect of diaphragm pull rod 14 and pull-rod spring 15, ten valve port positions with
Centre bore is not turned on, and diaphragm pull rod 14 compresses pull-rod spring 15 under the action of pull rod plectrum 26, and corresponding diaphragm 13 is made to open,
Corresponding valve port bit port hole is connected with centre bore at this time.A valve port position can only be connected in pull rod plectrum 26 every time.
Motor 21 drives main shaft 16 to rotate, and main shaft 16 drives dynamic iron core 25, pull rod plectrum 26 to rotate, in the auxiliary of code-disc 22
Relative position between corresponding from the different valve port positions diaphragm pull rod in lower 26 position of positioning tie bar plectrum 14, code-disc 22 with it is main
Axis 16 and dynamic iron core 25 are installed with 26 unique corresponding position of pull rod plectrum, and relative position is constant.When code-disc 22 confirms that pull rod is dialled
When piece 26 is parked in specified valve port position, coil 23 is powered, and dynamic iron core 25 is compressed dynamic iron core spring 24 and moved axially, and pull rod is driven to dial
Piece 26 stirs diaphragm pull rod 14 and compresses pull-rod spring 15, while pulling diaphragm 13 is axial to be moved to motor drive direction so that outside diaphragm
Access is formed between through-hole, diaphragm inner via hole, G type centre bores guide groove, 11 centre bore of valve head, 9 centre bore of pressing plate.
When coil 23 powers off, dynamic iron core 25 drives pull rod plectrum 26 to return to original position, and the stretching, extension of pull-rod spring 15 pushes diaphragm
Pull rod 14 withstands diaphragm 13 and seals up valve centre bore, disconnects the fluid path of the access opening and centre bore corresponding to the diaphragm.
In the multichannel flow control valve of the present invention, diaphragm seat 12 is realized by G shape centre bore guide grooves by valve centre bore water conservancy diversion
To the diaphragm hole of periphery circumferentially, the diaphragm hole that each diaphragm 13 is blocked is made directly to be connected with valve centre bore.
Valve head 11 is that face cooperation is installed with diaphragm seat 12, between the G shape centre bore guide grooves and valve opening position on diaphragm seat 12 mouthful
Apart from small, by the mating surface precision of both technology controlling and process, compression fit is realized between each mouth position hole and G shape centre bore guide grooves
Sealing.
The position that pull rod plectrum 26 stops passes through light from being fixed on photoelectric sensor plate 18 with the code-disc 22 on main shaft 16
Electric signal is accurately positioned the correspondence diaphragm opened needed for control.
Preferably, pull rod plectrum 26 is leaf spring, and elastic recoverable force ability is strong in long-time service；
Preferably, O-ring seals 10, valve head 11, diaphragm seat 12, diaphragm 13 select the material of acid-alkali-corrosive-resisting, make it
With high chemical stability, can still be worked normally in the adverse circumstances such as strong acid and strong base.
The present invention is using high chemical resistance rubber diaphragm as core, and miniaturization is integrated while realizing multichannel flow control；It is more
A diaphragm shares the electromagnet of one big pulling force, and miniaturization while ensure that the efficiency and precision that diaphragm switch acts.
It will appreciated by the skilled person that the foregoing is merely the preferred embodiment of invention, it is not used to limit
System invention, although invention is described in detail with reference to previous examples, for those skilled in the art, still
It can modify to the technical solution of aforementioned each case history or equivalent replacement of some of the technical features.It is all
Within the spirit and principle of invention, modification, equivalent replacement for being made etc. should be included within the protection domain of invention.
Claims (5)
1. a kind of multichannel flow control valve, which is characterized in that the multichannel flow control valve includes pressing plate (9), valve head (11), diaphragm seat
(12), diaphragm (13), diaphragm pull rod (14), pull-rod spring (15), main shaft (16), fixed core (17), optoelectronic induction plate (18), electricity
Machine (21), code-disc (22), coil (23), dynamic iron core spring (24), dynamic iron core (25), pull rod plectrum (26), draw-bar seat (27)；
From left to right, there are one centre bore and the multiple valve port positions hole being uniformly distributed circumferentially, institutes for setting on the pressing plate (9)
The valve head (11) stated is oppositely arranged with the pressing plate (9), the through-hole on the valve head (11) and the centre bore, valve port
Position hole is arranged in a one-to-one correspondence, and the diaphragm seat (12) is oppositely arranged with the valve head (11), on the diaphragm seat (12)
It is provided with the diaphragm accessibke porosity being arranged in a one-to-one correspondence with the through-hole on the valve head (11), in the diaphragm seat (12) and institute
Be provided with G type centre bore guide grooves on the opposite face of the valve head (11) stated, described centrally located one end of type centre bore guide groove G with
The pressing plate (9) is connected to the centre bore of valve head (11), and the G type centre bore guide grooves are circumferentially arranged to be had in multiple diaphragms
Through-hole, each diaphragm inner via hole are located at same radial direction, the diaphragm seat with the corresponding diaphragm accessibke porosity
(12) other end is uniformly arranged in the circumferential direction the diaphragm (13) for covering each pair of diaphragm accessibke porosity and diaphragm inner via hole, and quantity
It is identical as the quantity of diaphragm accessibke porosity, diaphragm inner via hole.
The draw-bar seat (27) is oppositely arranged with the diaphragm seat (12), and the diaphragm (13) clamps therebetween,
Be provided on the draw-bar seat (27) with the same number of diaphragm pull rod (14) of diaphragm (13), the diaphragm pull rod (14)
One end steady brace spring (15), the other end are fixedly connected with the diaphragm (13)；
It turns left from the right side, the motor (21) is fixed on the shell of valve, and the motor (21) output shaft is fixedly connected with a master
The other end of axis (16), the main shaft (16) is inserted into the hole of the draw-bar seat (27), and the code-disc (22) is set in
On the main shaft (16), the optoelectronic induction plate (18) is fixed on the motor (21)；The main shaft (16) is outside
It is arranged dynamic iron core (25) week, the two is circumferentially fixed, axially slidable, between the main shaft (16) and the dynamic iron core (25)
It is provided with dynamic iron core spring (24), the dynamic iron core (25) periphery is arranged coil (23), and the dynamic iron core (25) is towards institute
The one end for the draw-bar seat (27) stated is fixedly connected with the pull rod plectrum (26), and the pull rod plectrum (26) can stir the film
The pull-rod spring (15) that piece pull rod (14) drives compression described；
The motor (21) drives the main shaft (16) to rotate, the main shaft (16) the drive dynamic iron core (25),
Pull rod plectrum (26) rotates, and when pull rod plectrum (26) rotates to specified valve port position, the coil (23) is powered, described
Dynamic iron core (25) is compressed dynamic iron core spring (24) and is moved axially, and the pull rod plectrum (26) is driven to stir the diaphragm pull rod
(14) the compression pull-rod spring (15), while diaphragm (13) being pulled to move axially so that lead in diaphragm accessibke porosity, diaphragm
Access is formed between hole, G type centre bores guide groove, valve head (11) centre bore, pressing plate (9) centre bore.
2. multichannel flow control valve according to claim 1, which is characterized in that the pressing plate (9) and the valve head
(11) it is sealed by O-ring seal between opposite hole.
3. multichannel flow control valve according to claim 1, which is characterized in that the main shaft (16) and the dynamic iron core
(25) there is a pair of parallel plane in an axial direction, the dynamic iron core (25) to realize week with parallel plane cooperation for the one end connected
To fixation, axially slidable.
4. multichannel flow control valve according to claim 1, which is characterized in that the pull rod plectrum (26) is leaf spring.
5. multichannel flow control valve according to claim 2, which is characterized in that the O-ring seals (10), valve head
(11), diaphragm seat (12), diaphragm (13) select the material of acid-alkali-corrosive-resisting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819222.4A CN108757995B (en) | 2018-07-24 | 2018-07-24 | Multi-channel flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819222.4A CN108757995B (en) | 2018-07-24 | 2018-07-24 | Multi-channel flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757995A true CN108757995A (en) | 2018-11-06 |
| CN108757995B CN108757995B (en) | 2023-07-28 |
Family
ID=63971030
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810819222.4A Active CN108757995B (en) | 2018-07-24 | 2018-07-24 | Multi-channel flow control valve |
Country Status (1)
| Country | Link |
|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410534A (en) * | 2019-08-16 | 2019-11-05 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
| WO2020126639A1 (en) * | 2018-12-19 | 2020-06-25 | Ge Healthcare Bio-Sciences Ab | Device for distributing a flow |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020126639A1 (en) * | 2018-12-19 | 2020-06-25 | Ge Healthcare Bio-Sciences Ab | Device for distributing a flow |
| JP7460247B2 (en) | 2018-12-19 | 2024-04-02 | サイティバ・スウェーデン・アクチボラグ | Device for flow distribution |
| CN110410534A (en) * | 2019-08-16 | 2019-11-05 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
| CN110410534B (en) * | 2019-08-16 | 2024-02-20 | 凯铭科技(杭州)有限公司 | Multi-channel flow control valve |
| 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 |
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|---|---|
| CN108757995B (en) | 2023-07-28 |
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