CN209414738U - A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway - Google Patents
A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway Download PDFInfo
- Publication number
- CN209414738U CN209414738U CN201821692175.3U CN201821692175U CN209414738U CN 209414738 U CN209414738 U CN 209414738U CN 201821692175 U CN201821692175 U CN 201821692175U CN 209414738 U CN209414738 U CN 209414738U
- Authority
- CN
- China
- Prior art keywords
- valve body
- main valve
- outlet
- valve
- pinboard
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of pneumatic high-frequency electromagnetic valves of cartridge multi-airway, including cartridge air inlet connecting plate component, main valve body and cartridge to go out gas component；The main valve body 01 includes main valve body feature board 01-1, main valve body air flue pinboard 01-2 and the valve magnetic core 01-3 for being located at respective annular array between the main valve body feature board 01-1 and main valve body air flue pinboard 01-2, magnetic coil 01-4 is cased on the outside of the valve magnetic core 01-3, excitation copper coil is wound on the magnetic coil 01-4, magnetic coil 01-4 has insulated plastic offset plate 01-7 by terminals 01-5 connecting valve wiring board 01-6, wiring board；The utility model has many advantages, such as that structure is simple, stability is strong, is swift in response, it is low with use cost to safeguard, the service life is long.
Description
Technical field:
The utility model belongs to pneumatic high-frequency electromagnetic driving valve technology field, is related to a kind of pneumatic high frequency of cartridge multi-airway
Solenoid valve.
Background technique:
It is sorted in material under the occasion for needing a large amount of multichannel outputs, high-frequency electromagnetic valve currently on the market is seperated straight
Moving electromagnetic valve, the throughput of its loss is excessive in use, controls not accurate.
Summary of the invention:
In order to overcome the drawbacks of the prior art, the utility model provides a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway,
The pneumatic high-frequency electromagnetic valve of cartridge multi-airway can realize that the high speed of multiple delivery outlets is opened and closed, structure is simple, reliable in action.
Technical solution adopted by the utility model:
The pneumatic high-frequency electromagnetic valve of the utility model cartridge multi-airway, the valve body include: main valve body 01, are mounted on main valve
The disjunctor air inlet connecting plate component 02 of 01 lower section of body and the disjunctor for being mounted on 01 top of main valve body go out gas component 03；
The main valve body 01 includes main valve body feature board 01-1, main valve body air flue pinboard 01-2 and is located at the main valve
The valve magnetic core 01-3 of respective annular array, the valve magnetic core between body function plate 01-1 and main valve body air flue pinboard 01-2
It is cased with magnetic coil 01-4 on the outside of 01-3, excitation copper coil is wound on the magnetic coil 01-4, magnetic coil 01-4 passes through wiring
01-5 connecting valve wiring board 01-6 is held, wiring board has insulated plastic offset plate 01-7；
Respective valve armature 01-8 corresponding with valve magnetic core 01-3 is equipped with below the main valve body air flue pinboard 01-2,
Described valve one end armature 01-8 is free end, and the other end is the connecting pin connecting with main valve body air flue pinboard 01-2；Valve rank
There is sealed socket sleeve 01-9 in the free end iron 01-8 upper surface, and the sealed socket sleeve 01-9 surface outgassing mouth connects with valve armature 01-8
Touching；
The disjunctor goes out gas component 03 and is connected to 01 top of main valve body, and disjunctor goes out gas component 03 from bottom to top successively
Air outlet adapter 03-4 including outlet intermediate transit plate 03-1, outlet change-over panel 03-3 and multiple arrays, the outlet centre turns
Array annular corresponding with the annular air passing hole 01-21 of array on main valve body air flue pinboard 01-2 is laid on fishplate bar 03-1
Through-hole 03-11, sealed socket sleeve gas outlet and annular air passing hole 01-21 are corresponded, the upper surface of the outlet change-over panel 03-3
Counterbore 03-31 with the air outlet adapter 03-4 lower end grafting with multiple arrays, the lower surface of the outlet change-over panel 03-3
With via hole 03-32 corresponding with array annular through-hole 03-11, the counterbore 03-31 and via hole 03-32 one-to-one correspondence is passed through
It is logical, so that outlet change-over panel 03-3 and air outlet adapter 03-4 forms annular arrangement outlet.
Preferential, the connecting pin of the valve armature 01-8 passes through elastic ring 01-10 precompressed, the elastic ring 01-10
It is fastened in the groove 01-24 on main valve body air flue pinboard 01-2, is equipped between valve armature 01-8 and valve magnetic core 01-3 every magnetic
Washer 01-11.
Preferential, the main valve body feature board 01-1 and valve armature 01-8 is all made of soft magnetic materials and is made, and described is soft
Magnetic material is synthesized by carbon, silicon, titanium, nickel, manganese, aluminium, cobalt, copper, chromium, magnesium and iron material, wherein and the content of carbon is not more than 0.1%,
The content of silicon is not more than 0.2%, and the content of titanium is 0. 2%, the content 30% of nickel, and the content of manganese is 2%, and the content of aluminium is 0.3%, cobalt
Content less than 0.1%, the content of copper is 0.2%, and the content of chromium is 0.3%, and the content of magnesium is 0.1%, and remainder is iron.
Preferential, encapsulated coil 01-12 is equipped between the valve armature 01-8 and main valve body air flue pinboard 01-2, with
Guarantee 01 sealing performance of main valve body.
Preferential, the integral type air inlet connecting plate component 02 includes air inlet housing 02-1, the air inlet housing 02-
Positive side is equipped with air inlet on 1, and plug seal part 2-02, plug-in unit 2-03 and air inlet housing are inlaid in the air inlet housing 02-1
02-1 sealing.
Preferential, the main valve body air flue pinboard 01-2 and the outlet intermediate transit junction plate 03-1 are sealed equipped with upper layer
03-5 is enclosed, the outlet intermediate transit plate 03-1 and the junction outlet change-over panel 03-3 are equipped with lower layer's sealing ring 03-2.
The working method of the pneumatic high-frequency electromagnetic valve of the utility model cartridge multi-airway, the pneumatic high-frequency electrical of cartridge multi-airway
Magnet valve includes: main valve body 01, is mounted on the disjunctor air inlet connecting plate component 02 of 01 lower section of main valve body and is mounted on main valve body 01
The disjunctor of top goes out gas component 03；
The main valve body 01 includes main valve body feature board 01-1, main valve body air flue pinboard 01-2 and is located at the main valve
The valve magnetic core 01-3 of respective annular array, the valve magnetic core between body function plate 01-1 and main valve body air flue pinboard 01-2
It is cased with magnetic coil 01-4 on the outside of 01-3, excitation copper coil is wound on the magnetic coil 01-4, magnetic coil 01-4 passes through wiring
01-5 connecting valve wiring board 01-6 is held, wiring board has insulated plastic offset plate 01-7；
Respective valve armature 01-8 corresponding with valve magnetic core 01-3 is equipped with below the main valve body air flue pinboard 01-2,
Described valve one end armature 01-8 is free end, and the other end is the connecting pin connecting with main valve body air flue pinboard 01-2；Valve rank
There is sealed socket sleeve 01-9 in the free end iron 01-8 upper surface, and the sealed socket sleeve 01-9 surface outgassing mouth connects with valve armature 01-8
Touching；
The disjunctor goes out gas component 03 and is connected to 01 top of main valve body, and disjunctor goes out gas component 03 from bottom to top successively
Air outlet adapter 03-4 including outlet intermediate transit plate 03-1, outlet change-over panel 03-3 and multiple arrays, the outlet centre turns
Array annular corresponding with the annular air passing hole 01-21 of array on main valve body air flue pinboard 01-2 is laid on fishplate bar 03-1
Through-hole 03-11, sealed socket sleeve gas outlet and annular air passing hole 01-21 are corresponded, the upper surface of the outlet change-over panel 03-3
Counterbore 03-31 with the air outlet adapter 03-4 lower end grafting with multiple arrays, the lower surface of the outlet change-over panel 03-3
With via hole 03-32 corresponding with array annular through-hole 03-11, the counterbore 03-31 and via hole 03-32 one-to-one correspondence is passed through
It is logical, so that outlet change-over panel 03-3 and air outlet adapter 03-4 forms annular arrangement outlet；
When work, firstly, compressed air is entered in main valve body 01 by disjunctor air inlet connecting plate component 02, when magnetic coil is powered
When, magnetic field occurs, forms magnetic pole strength in the upper surface of valve magnetic core 01-3, adsorbs the free end of valve armature 01-8 downwards, i.e., it is separated
Contact of the valve armature with sealed socket sleeve, gas pass through sealed socket sleeve gas outlet interconnected, main valve body air flue pinboard 01-2,
Outlet intermediate transit plate 03-1 and outlet change-over panel 03-3 and air outlet adapter 03-4 is discharged by air outlet adapter 03-4 outlet；Work as magnetic
When coil stops being powered, corresponding pressure is generated into the intracorporal compressed air of main valve, valve armature 01-8 is by compressed air pressure
The effect of power moves up, and valve armature contacts with each other with sealed socket sleeve, i.e. quick closing valve gas chamber gas outlet.
The beneficial effects of the utility model are as follows:
1, the utility model by using flat armature self-closed under the action of external compressed air, be not necessarily under normality
Electric energy compression is connect, is conducive to save power consumption brought by power.
2, the utility model air inlet be a logical air inlet, be not necessarily to gas connector or tracheae, can directly with external compressed air phase
It is logical, it realizes and ventilates without pipeization, improve whiff pressure, the opening time is short, acts more agile.
In conclusion the utility model has, structure is simple, stability is strong, is swift in response, safeguards, the longevity low with use cost
Order the advantages that long.
Detailed description of the invention:
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the cut-away diagram of the utility model；
Fig. 3 is the perspective view of the explosion of the utility model；
Fig. 4 is the organigram of the utility model main valve plate feature board；
Fig. 5 is the organigram that the utility model disjunctor goes out gas component；
Fig. 6 is the perspective view of the utility model valve armature；
Fig. 7 is the utility model main valve body air flue pinboard perspective view；
Fig. 8 is the partial view of Fig. 2.
Specific embodiment
As shown in figures 1 to 6, the utility model provides a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway, including disjunctor into
Gas connecting plate component 02, main valve body 01 and disjunctor go out gas component 03；Valve magnetic equipped with the arrangement of multiple ring battle arrays in valve body
Core 01-3, valve magnetic core magnetic coil 01-4 covering are wound with copper wire on magnetic coil, are equipped with above valve magnetic core 01-3 and magnetic core phase
Corresponding several valves armature 01-8, the valve free end armature 01-8 upper surface be equipped with sealed socket sleeve 01-9, sealed socket sleeve 01-9 by
Elastic material is made, and has through-hole corresponding with annular air passing hole 01-21 thereon, in the valve free end armature 01-8 and seal receptacle
When covering 01-9 contact, the through-hole on sealed socket sleeve 01-9 is closed, stuffiness；And in the valve free end armature 01-8 and seal receptacle
When set 01-9 is non-contact, the through-hole on sealed socket sleeve 01-9 is turned on, ventable；The utility model principle are as follows: magnetic coil is logical
Electricity generates magnetic attraction, and valve armature 01-8 is adsorbed to spray gas, and when magnetic coil power-off, valve armature 01-8 is by gas pressure
It influences to close downwards, corresponding elastomeric seal cover for seat 01-9 and elastic ring 01-10 aux. pressure are closed, and realize valve armature 01-8
Quick-make, realize valve high-frequency opening and closing；Multiple valve armature 01-8 use ring form array, the disjunctor outlet
Body component 03 is connected to 01 top of main valve body, and it successively includes outlet intermediate transit plate 03- that disjunctor goes out gas component 03 from bottom to top
1, it is laid on the air outlet adapter 03-4, the outlet intermediate transit plate 03-1 of outlet change-over panel 03-3 and multiple arrays and main valve
The corresponding array annular through-hole 03-11 of annular air passing hole 01-21 of array, sealed socket sleeve outlet on body air flue pinboard 01-2
Mouth is corresponded with annular air passing hole 01-21, and the upper surface of the outlet change-over panel 03-3 has to be connect with the outlet of multiple arrays
The lower surface of the counterbore 03-31, the outlet change-over panel 03-3 of head 03-4 lower end grafting have and array annular through-hole 03-11
Corresponding via hole 03-32, the counterbore 03-31 and via hole 03-32 correspond perforation so that outlet change-over panel 03-3 with go out
Gas connector 03-4 forms annular arrangement outlet.
Main valve body feature board and valve armature are all made of soft magnetic materials and are made, the soft magnetic materials by carbon, silicon, titanium, nickel,
Manganese, aluminium, cobalt, copper, chromium, magnesium and iron material synthesis, wherein the content of carbon is not more than 0.1%, and the content of silicon is not more than 0.2%, titanium
Content be 0. 2%, the content 30% of nickel, the content of manganese is 2%, and the content of aluminium is 0.3%, and less than 0.1%, copper contains the content of cobalt
Amount is 0.2%, and the content of chromium is 0.3%, and the content of magnesium is 0.1%, and remainder is iron.
It is equipped with encapsulated coil between valve armature and main valve body air flue pinboard, guarantees main valve body sealing performance and lever
Effect, wherein when a certain coil no power, corresponding valve armature free end is transported under the action of air pressure upwards in valve chamber
It is dynamic, drive the dynamic seal receptacles for making it that (annular air passing hole 01-21) is pressed at corresponding valve body air outlet hole mouth such as respective valve armature
Contacting with each other for set, valve armature sealing surface and sealed socket sleeve, which is closed,
Corresponding outlet passageway is closed, and when needing jet outside by accordingly a certain valve port exhaust through hole, drives electricity by valve
Road makes corresponding coil be powered, and the magnetic field suction respective valve armature that the electromagnet after energy electricity generates, the free end of valve armature is transported downwards
It is dynamic, so that respective valve armature is detached from corresponding sealed socket sleeve, the open corresponding outlet passageway of valve body exhaust through hole is opened, and pressure is sprayed
Contracting air.
Main valve body feature board 01-1 is in cover shape, is equipped with pillar corresponding with valve magnetic core 01-3 in vivo, for limiting
Each valve magnetic core 01-3, the connecting pin side of valve armature 01-8 set there are two be recessed 01-81, main valve body air flue pinboard 01-2's
There is dome ring, dome ring is equipped with limiting slot 01-22, and two recess 01-81 of valve armature 01-8 are fallen on the inside of groove 01-24
In limiting slot 01-22, and there is plush copper 01-82, plush copper 01-82 to limit in array main valve body for the free end of valve armature 01-8
Between the 01-23 of nose bar two-by-two in air flue pinboard 01-2, realizes that the connecting pin valve armature 01-8 is opposite and be compacted, and free end can
Air passing hole on opening and closing main valve body air flue pinboard 01-2 is realized under magnetic force or high pressure gas effect.
Utility model works principle: firstly, compressed air is entered by the rectangle air inlet of air inlet housing, intake cover is passed through
Cover enters in main valve body, and when magnetic coil is powered, magnetic field occurs, and forms magnetic pole strength in the lower surface of magnetic core, adsorbs valve downwards
Sealing sealed socket sleeve gas outlet is opened in the free end of armature, and gas is among sealed socket sleeve gas outlet interconnected, outlet
Pinboard is discharged by outlet change-over panel and air outlet adapter outlet；It is empty into the intracorporal compression of main valve when magnetic coil stops being powered
Gas generates corresponding pressure, and valve armature is moved up by the effect of compressed air pressure, and valve armature and sealed socket sleeve are under pressure mutually
It is in contact, quick closing valve gas chamber gas outlet.
The utility model is by a kind cartridge gas component, each gas outlet direct external injecting substances, will be into
The input all the way of gas connection is converted to annular array multiple-channel output, and no setting is required multiple escape pipes simplify the total of pipe-line system
Body structure；Also, it is mutually moved by the electromagnet that magnetic core and magnetic coil form with valve armature, controls gas outlet in each valve
It is on and off, meet the control requirement of the actual use road Zhong Duige output independent control；It is beaten by using flat plate armature
Push And Release valve closing gas chamber gas outlet, and sealing block set is set in valve armature free end surface, compressed air effect makes itself and closing,
The quick movement for realizing valve armature is further conducive to the operating frequency for improving valve；When opening magnetic coil energization, valve armature
It can quickly be separated with magnetic core, opening valve gas chamber gas outlet, consumption electric energy not needed under normality, saves energy consumption, multiple valve actuation
Piece is arranged using ring form, and scalability is stronger, meanwhile, simplify structure.In conclusion the utility model has structure letter
List, service life are long, and stability is strong, is swift in response, safeguards the advantages such as low with use cost.
Claims (5)
1. a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway, it is characterised in that: the valve body of the solenoid valve includes: main valve body
(01), the disjunctor air inlet connecting plate component (02) being mounted below main valve body (01) and the company being mounted on above main valve body (01)
Body goes out gas component (03)；
The main valve body (01) includes main valve body feature board (01-1), main valve body air flue pinboard (01-2) and is located at the master
The valve magnetic core (01-3) of respective annular array, described between valve body feature board (01-1) and main valve body air flue pinboard (01-2)
Valve magnetic core (01-3) on the outside of be cased with magnetic coil (01-4), be wound with excitation copper coil, magnet-wire on the magnetic coil (01-4)
(01-4) is enclosed by terminals (01-5) connecting valve wiring board (01-6), wiring board has insulated plastic offset plate (01-7)；
Respective valve armature (01- corresponding with valve magnetic core (01-3) is equipped with below the main valve body air flue pinboard (01-2)
8), described valve armature one end (01-8) is free end, and the other end is the connection connecting with main valve body air flue pinboard (01-2)
End；The free end upper surface valve armature (01-8) has sealed socket sleeve (01-9), the sealed socket sleeve (01-9) surface outgassing mouth with
Valve armature (01-8) contact；
The disjunctor goes out gas component (03) and is connected to above main valve body (01), disjunctor go out gas component (03) from bottom to top according to
The secondary air outlet adapter (03-4) including outlet intermediate transit plate (03-1), outlet change-over panel (03-3) and multiple arrays, it is described go out
Annular air passing hole (01-21) phase with array on main valve body air flue pinboard (01-2) is laid on gas intermediate transit plate (03-1)
Corresponding array annular through-hole (03-11), sealed socket sleeve gas outlet and annular air passing hole (01-21) correspond, the outlet
The upper surface of change-over panel (03-3) has the counterbore (03-31) with air outlet adapter (03-4) lower end grafting of multiple arrays, institute
The lower surface for stating outlet change-over panel (03-3) has via hole (03-32) corresponding with array annular through-hole (03-11), described heavy
Hole (03-31) and via hole (03-32), which are corresponded, to be penetrated through, so that outlet change-over panel (03-3) and air outlet adapter (03-4) form ring
Shape arrangement outlet.
2. a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway as described in claim 1, it is characterised in that: the valve armature
The connecting pin of (01-8) is fastened on main valve body air flue pinboard by elastic ring (01-10) precompressed, the elastic ring (01-10)
In groove (01-24) on (01-2), magnetism isolating spacer circle (01-11) is equipped between valve armature (01-8) and valve magnetic core (01-3).
3. a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway as described in claim 1, it is characterised in that: the valve armature
It is equipped with encapsulated coil (01-12) between (01-8) and main valve body air flue pinboard (01-2), with guarantee main valve body (01) leakproofness
Energy.
4. a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway as described in claim 1, it is characterised in that: the disjunctor into
Gas connecting plate component (02) includes air inlet housing (02-1), and positive side is equipped with air inlet on the air inlet housing (02-1), described
Air inlet housing (02-1) in be inlaid with plug seal part (2-02), plug-in unit (2-03) and air inlet housing (02-1) are sealed.
5. a kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway as described in claim 1, it is characterised in that: the main valve body gas
Road pinboard (01-2) and the outlet intermediate transit plate junction (03-1) are equipped with upper layer sealing ring (03-5), among the outlet
Pinboard (03-1) and the outlet change-over panel junction (03-3) are equipped with lower layer's sealing ring (03-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692175.3U CN209414738U (en) | 2018-10-18 | 2018-10-18 | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692175.3U CN209414738U (en) | 2018-10-18 | 2018-10-18 | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414738U true CN209414738U (en) | 2019-09-20 |
Family
ID=67932731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821692175.3U Expired - Fee Related CN209414738U (en) | 2018-10-18 | 2018-10-18 | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027390A (en) * | 2018-10-18 | 2018-12-18 | 杨东红 | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway and its working method |
-
2018
- 2018-10-18 CN CN201821692175.3U patent/CN209414738U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027390A (en) * | 2018-10-18 | 2018-12-18 | 杨东红 | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway and its working method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101702565B (en) | Permanent magnet electromagnetic driving device | |
| CN106090332A (en) | A kind of multi-way high-frequency electromagnetic drives air valve | |
| CN209414738U (en) | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway | |
| CN107830227A (en) | The multigroup pneumatic high-frequency electromagnetic valve of integral type and its method of work | |
| CN202252254U (en) | Surface mount type two-position three-way electromagnetic valve | |
| CN209414737U (en) | A kind of pneumatic high-frequency electromagnetic valve of disjunctor multiple groups | |
| CN207673931U (en) | The multigroup pneumatic high-frequency electromagnetic valve of integral type | |
| CN113833897A (en) | Switch electromagnetic valve for controlling gas circuit system | |
| CN109027390A (en) | A kind of pneumatic high-frequency electromagnetic valve of cartridge multi-airway and its working method | |
| CN206299871U (en) | Disconnecting link formula HTHP zero leakage magnetic valve | |
| CN202266733U (en) | Self-maintaining solenoid valve | |
| CN211715881U (en) | Pilot-operated electromagnetic stop valve device | |
| CN206175732U (en) | Position high frequency electric magnetic drive pneumatic valves that lead to more | |
| CN109027392A (en) | A kind of pneumatic high-frequency electromagnetic valve of disjunctor multiple groups and its working method | |
| CN206988470U (en) | A kind of electric control valve door | |
| CN209146387U (en) | A kind of low-power consumption self-holding electromagnetic valve | |
| CN201851751U (en) | Normally-opened electromagnetic valve for automobile | |
| CN203532857U (en) | Pulse magnetic valve | |
| CN2399573Y (en) | Permanent-magnet diaphram valve | |
| CN2276589Y (en) | Electromagnetic automatic closing safety valve | |
| CN206496070U (en) | A kind of high-voltage electromagnetic reversal valve | |
| CN2258940Y (en) | Low energy consumption magnetic holding opening-and-closing valve | |
| CN218440651U (en) | Marine high-pressure pneumatic electromagnetic valve with manual operation and signal feedback functions | |
| CN107191662B (en) | A kind of Novel low power consumption QRV Quick Release Valve | |
| CN2213896Y (en) | Hose type pneumatic direction valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20211018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |