CN108006240B - A kind of selector valve of decompression starting - Google Patents
A kind of selector valve of decompression starting Download PDFInfo
- Publication number
- CN108006240B CN108006240B CN201711207136.XA CN201711207136A CN108006240B CN 108006240 B CN108006240 B CN 108006240B CN 201711207136 A CN201711207136 A CN 201711207136A CN 108006240 B CN108006240 B CN 108006240B
- Authority
- CN
- China
- Prior art keywords
- valve body
- piston
- channel
- decompressor
- valve
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
Abstract
The invention discloses a kind of selector valves of decompression starting, and cooperation can be connect with driving device, including valve body, first piston and act on return unit on the piston；The valve body is equipped with gas outlet and air inlet, and first space being connected with the air inlet is formed between the first piston top and valve interior wall；It further include decompressor, the valve body is equipped with the second channel that can be connected with the decompressor, and the driving device is equipped with the third channel that can be connected with the decompressor.The present invention reduces the gas flow entered in third channel by the way that decompressor is arranged; reduce and returns to the intracorporal gas flow of valve from driving device via first passage; and then piston is reduced to the impact force of valve body, play the role of protecting piston and valve body.
Description
Technical field
The invention belongs to gas fire extinguisher technical fields, more particularly, to a kind of selector valve of decompression starting.
Background technique
The selector valve of electronic decompression starting is usually to be opened using starting bottle group, since spool and valve body use axially
The mode of sealing typically guarantees the extruding force of sealing ring sealing by spring, this allows for automatically controlled in order to guarantee
The selector valve of decompression starting can be normally-open, and the output pressure for starting bottle group is higher, to cause impact of the spool to valve body
Power is larger, easily leads to spool and valve body deforms, and the selector valve of electronic control pressure reducing starting will pass through at least 500 times in production
Action test just can determine that whether product qualified, biggish impact force cause electronic control pressure reducing start selector valve action test without
Method carries out.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides the selection of a kind of pair of lesser decompression starting of valve body impact force
Valve.
It to achieve the goals above, can be with driving the invention adopts the following technical scheme: a kind of selector valve of decompression starting
Device connection cooperation, including valve body, first piston and acts on return unit on the piston；The valve body is equipped with gas outlet
And air inlet, first space being connected with the air inlet, institute are formed between the first piston top and valve interior wall
It states valve body and is equipped with the first passage being connected with driving device；Further include decompressor, the valve body be equipped with can with it is described
The second channel that decompressor is connected, the driving device are equipped with the third channel that can be connected with the decompressor.
The present invention is by setting decompressor, and when opening the selector valve of decompression starting, the driving gas in active bottle passes through decompression dress
It postpones after entering driving device, there is driving gas of the part after depressurizing to turn again in valve body by first passage, and to
Lower extrusion piston is allowed to move down with slower speed, and then avoids piston and strike on valve body strongly, reduces piston
To the impact force of valve body, and then reduce the damage that piston and valve body are subject to, extends service life, guarantee the choosing of decompression starting
At least 500 times action tests can be completed by selecting valve.
Further, the valve body is equipped with connector, and the second channel is set on the connector；Connector is set
It sets and enhances the bonding strength of driving device and valve body.
Further, the installation cavity matched with the decompressor, the second channel are equipped in the driving device
It is connected respectively with the installation cavity with third channel.
Further, the decompressor includes the reducing valve body that can be set to moving up and down in the installation cavity and is set to this
The intracorporal gas passage of pressure reducing valve, the reducing valve body end can be sealed with the installation cavity to be cooperated, the reducing valve body part
There is gap between side wall and the installation cavity side wall；When driving gas to enter in installation cavity, driving gas is directly hit
In the upper surface of reducing valve body, decompression is achieved the purpose that the choked flow effect of driving gas by reducing valve body, works as pressure reducing valve
When body moves down under the impact force action for driving gas, drive gas that can pass through reducing valve body and installation cavity side wall at this time
Between gap enter in gas passage, since the diameter of gas passage is smaller, therefore the work of a throttling is reached to driving gas
With, further enhance to driving gas depressurization.
Further, the decompressor further includes the bottom cover being detachably connected with the installation cavity, which is equipped with
Venting channels；When pressure reducing valve moves down under the extruding force effect for driving gas and is finally inconsistent with bottom cover, gas is logical
Gas in road can be entered in third channel by venting channels, and be entered eventually into driving device, due to venting channels
Bore is smaller, and then can be further reduced the gas flow entered in driving device, that is, further enhances to driving gas
Depressurization.
Further, cavity is equipped in the first piston, the first piston is equipped with opening；The setting of opening reduces
Piston, the forced area between gas, and then reduces impact force of the piston by gas when opening, that is, reduces
Piston plays the role of protecting piston and valve body to the impact force of valve body in opening process.
Further, the guide part matched with the first piston is equipped in the valve body；Guide part can be moved in piston
A guiding role is played to it during dynamic, prevents piston from shifting in moving process.
Further, the first piston is equipped with limiting section, and the limiting section side and valve interior wall sealing cooperate,
The other side and guide part sealing cooperate；The valve interior wall is equipped with the protrusion that matches with the limiting section, and described the
One channel is at least partially disposed on the protrusion；When the driving gas after depressurizing is flow back into valve body by first passage, drive
Body of taking offence is pressed down against limiting section and piston is moved down, so that the first space is connected with air inlet, it is driven at this time
Gas in bottle group can be flowed out by air inlet.
Further, the opening of the first passage is set on the protrusion lower surface；It is flowed out conducive to via first passage
Driving gas be pressed down against piston.
Further, the valve body includes end cap, and the end cap is equipped with the card division matched with the guide part, this is led
It is sheathed on the card division to part；It is empty that second is formed between the first piston bottom wall, valve interior wall, end cap and guide part outer wall
Between；In piston folding process, the gas in second space is compressed, and then a buffer function can be played to piston, is reduced
Piston further extends service life to the impact force of valve body.
In conclusion the present invention reduces the gas flow entered in third channel by the way that decompressor is arranged, that is, subtract
Lack and returned to the intracorporal gas flow of valve from driving device via first passage, and then has reduced piston to the impact force of valve body,
Play the role of protecting piston and valve body.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is Fig. 2 along line A-A cross-sectional view.
Fig. 4 is enlarged drawing at A in Fig. 3.
Fig. 5 is Fig. 2 along line B-B enlarged drawing.
Fig. 6 is enlarged drawing at A in Fig. 5.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As shown in figures 1 to 6, a kind of selector valve of decompression starting can connect cooperation with driving device 2, specifically, the drive
Dynamic device is divided into upper space and lower space by metal foil diaphragm, and driving gas outlet is additionally provided in driving device
Mouthful, the selector valve of the decompression starting includes valve body 1, piston 4 and return unit 5, and the valve body 1 and the shell 20 of driving device 2 are solid
It connects together, which is sealedly attached on 1 inner wall of valve body by y-type seal ring, specifically, described 4 top of piston
Side wall be equipped with annular groove, y-type seal ring is mounted in the groove, 1 side wall of valve body is equipped with air inlet 12, valve
1 roof of body is equipped with gas outlet 11, and the first space 6, the air inlet are formed between the upper piston area side wall and valve interior wall
12 are connected with the first space, and the selector valve of the decompression starting further includes a decompressor, specifically, the valve body is equipped with
It is connected to the second channel 13 in the first space He the decompressor, the driving device 2, which is equipped with, to be connected with the decompressor
Logical third channel 21, in addition, the first passage 15 being connected with driving device is additionally provided on valve body, when Vidacare corp 2
Operating magnet, after the interface channel for opening channel 22 and channel 15, the driving gas in active bottle successively pass through air inlet 12,
The lower space that driving device is entered after first space, second channel 13, decompressor 3 and third channel 21, is then depressurized
Driving gas afterwards is divided into two-way after passing through sealing metal diaphragm, enters back into inlet channel 15 after entering upper space all the way
Interior, extrusion piston 4 moves down and then opens gas outlet 11, and another part leads to driven bottle by driving gas outlet, leads to
It crosses decompressor and decompression has been haved the function that driving gas, and then reduce piston 4 to the impact force of valve body 1, reduce work
The damage that plug and valve body are subject to, extends service life.
It is preferably, interior on the shell 20 of the driving device 2 to be equipped with the installation cavity 22 matched with the decompressor 3,
The second channel 13 and third channel 21 are connected with the installation cavity 22 respectively, specifically, the valve body is equipped with connection
Part 9, the right end of the connector are in the inside of valve body 1, and left end is arranged in the shell 20 of driving device 2, and described second is logical
Through being arranged in the connector 9, the decompressor 3 includes reducing valve body 31 and the gas in the reducing valve body 31 in road 13
Body channel 32, specifically, the reducing valve body is variable-diameter structure, pressure reducing valve upper diameter is small, and lower diameter is big, reducing valve body
Bottom sidewall is equipped with boss, and the plateau sidewall is equipped with the annular recess for disposing O-ring seal, passes through O-shaped sealing
Circle realizes reducing valve body and installs the sealed connection of cavity wall, and 21 inner wall of installation cavity extends outward to form convex shoulder, described to subtract
The top of pressure valve and convex shoulder lower surface are inconsistent, so achieve the purpose that block installation cavity, the reducing valve body upper portion side wall with
There is gap, the gas passage 32 is connected with the gap, specifically, the gas passage 32 wraps between 21 inner wall of installation cavity
The horizontal channel for including the Vertical Channel 321 being arranged along the reducing valve body length direction and being connected to the Vertical Channel 321
322, the reducing valve body 31 is run through in the horizontal channel 322, and when not entering driving gas in installation cavity 21, reducing valve body is being driven
Its top and installation cavity wall are inconsistent under the action of dynamic device air pressure inside, and then installation cavity 21 is blocked, and work as air inlet
When mouth is passed through driving gas, gas enters in installation cavity 21 via the first space 6 and squeezes the top of reducing valve body, pressure reducing valve
Body moves down under the extruding force effect of driving gas, and gas is entered in horizontal channel 322 by gap, due to from level
The gas flow that both ends open enters in channel is different, so the gas on both sides can collide, other horizontal channel itself
Radius is smaller, therefore the gas flow passed through is smaller, that is, the gas flow entered in driving device 2 is smaller, passes through reducing valve body
Setting preferable depressurization reached to driving gas, and then driving gas after depressurizing via first passage 15 again into
Enter into valve body 1, driving gas is small to the impact force of piston 4, to effectively reduce piston 4 to the impact force of valve body 1.
Further, the decompressor 3 further includes the bottom cover 35 being detachably connected with the installation cavity 22, specifically,
The bottom cover is equipped with boss structure, and 21 inner wall of installation cavity is equipped with the convex shoulder matched with the boss structure, described
Bottom cover is sealedly attached on the inner wall of the installation cavity by O-ring seal, and the bottom cover is equipped with can be when pressure reducing valve be mobile
The cylindrical portion 36 inconsistent with it, the cylindrical portion side wall are equipped with venting channels 361, when reducing valve body 31 is in driving gas
When moving down under extruding force effect and is inconsistent with the top of cylindrical portion, driving gas enters cylinder by gas passage 32
It in the internal cavities in portion, and is re-introduced into installation cavity via the venting channels being arranged on cylindrical portion side wall, due to ventilation
The bore in channel is smaller, therefore further reduces the drive gas flow amount entered in driving device, that is, further enhances pair
Drive the depressurization of gas.
In order to guarantee when the selector valve of decompression starting is not opened, reducing valve body is to the sealing process of installation cavity, described
Setting one can place the resettlement groove of sealing element 311 at the top of reducing valve body 31, specifically, the sealing element 311 is a round rubber
Pad.
In order to reduce decompression starting selector valve opening force, on the piston be equipped with cavity 42, the piston upper end
Equipped with the opening 44 being connected with the cavity, be open 44 setting reduce piston when opening the stress surface between gas
Product, and then reduce impact force of the piston by gas, that is, it reduces the piston in opening process and the impact force of valve body is played
Protect the effect of piston and valve body.
The guide part 7 matched with the first piston 4 is equipped in the valve body 1,4 lower part of first piston is equipped with limit
Position portion 41, the limiting section side and valve interior wall sealing cooperate, and the other side and guide part sealing cooperate；The valve body
Inner wall is equipped with the protrusion 14 matched with the limiting section 41, and the first passage 15 is at least partially disposed on the protrusion 14,
Preferably, the opening of the first passage 15 is arranged on the lower surface of the protrusion 14, specifically, the guide part is cylinder knot
Structure, the valve body 1 further include end cap 16, and 16 upper surface portion of end cap upwardly extends the card division 161 to form cylindrical structure,
The guide part bottom is sheathed on the card division, is penetrated in the cavity 42 of piston at the top of the guide part and is sealed company with cavity inner wall
It connects；The limiting section is the boss structure that 4 bottom of piston is arranged in, and the protrusion 14 is arranged on 1 inner wall of valve body, the limit
Two annular recess for placing y-type seal ring and O-ring seal are respectively equipped on side wall inside and outside portion, on the protrusion side wall
Two annular recess for placing y-type seal ring and O-ring seal are respectively equipped with, when inlet channel does not enter driving gas, piston limit
The upper surface in position portion and the lower surface of protrusion are inconsistent, when the driving gas after depressurizing enters in valve body via inlet channel
When, piston slowly moves downward under the extruding force effect of driving gas, so that the air inlet 12 and first on valve body are empty
Between be connected, so that the gas in driven bottle group can be flowed out by air inlet 12.
Further, second space 8 is formed between the piston bottom wall, 7 outer wall of valve interior wall, end cap 16 and guide part,
When gas is by the boss structure of first passage extrusion piston bottom, piston under the action of gas pressure along guide part to
Lower movement, the gas in second space is compressed, and then a buffer function can be played to piston, reduces piston to body base
Impact force, in addition guide part effectively can prevent piston from shifting in moving process.
Preferably, be equipped with bolster 81 in the second space 8, specifically, the structure annular in shape of the bolster 81 and by
Polyurethane material is made, and bolster can play a buffer function to piston 4 when piston 4 hits valve body, reduces piston to valve
The impact force of body reduces the damage that piston 4 and valve body 1 are subject to, further extends service life.
Further, 42 inner wall of cavity of the piston 4 is equipped with third limiting section 43, and the guide part 7 is equipped with limit
Position slot 71, described 5 one end of return unit offset with the third limiting section 43, and the other end and 71 bottom wall of limiting slot are inconsistent,
Specifically, the return unit 5 is a compressed spring, the third limiting section 43 is the platform that 42 inner wall of hollow cavity extends inwardly to form
Stepped structure, the limiting slot 71 are the cylindrical cavity being arranged in guide part 7, under the top and step-like structure of spring
Surface offsets, and the bottom end of spring and cylindrical cavity bottom wall are inconsistent, and when inlet channel 15 is not passed through gas, piston 4 is in spring
Under the action of by gas outlet 11 and air inlet 12 partition open.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (7)
1. a kind of selector valve of decompression starting, cooperation can be connect with driving device (2), including valve body (1), first piston (4) and
Act on the return unit (5) on the piston；The valve body (1) be equipped with gas outlet (11) and air inlet (12), described first
First space (6) being connected with the air inlet (12) is formed between upper piston area and valve interior wall, is set on the valve body
There is the first passage (15) being connected with driving device (2)；It is characterized by also including decompressor (3), set on the valve body
There is the second channel (13) that can be connected with the decompressor, the driving device (2) is equipped with can be with the decompressor
The third channel (21) being connected；The installation cavity matched with the decompressor (3) is equipped in the driving device (2)
(22), the second channel (13) and third channel (21) are connected with the installation cavity (22) respectively；The decompressor (3)
Including the gas that can be set to the reducing valve body (31) in the installation cavity (22) with moving up and down and be set in the reducing valve body (31)
Channel (32), reducing valve body (31) end can be sealed with the installation cavity (22) to be cooperated, reducing valve body (31) part
There is gap between side wall and the installation cavity side wall；The decompressor (3) further includes detachable with the installation cavity (22)
The bottom cover (35) of connection, the bottom cover (35) are equipped with venting channels (361).
2. the selector valve of decompression starting according to claim 1, it is characterised in that: the valve body (1) is equipped with connector
(9), the second channel (13) is set on the connector (9).
3. the selector valve of decompression starting according to claim 1, it is characterised in that: be equipped with sky in the first piston (4)
Chamber (42), the first piston (4) are equipped with opening (44).
4. the selector valve of decompression starting according to claim 1, it is characterised in that: be equipped in the valve body (1) with it is described
The guide part (7) that first piston (4) matches.
5. the selector valve of decompression starting according to claim 4, it is characterised in that: the first piston (4) is equipped with limit
Position portion (41), the limiting section side and valve interior wall sealing cooperate, and the other side and guide part sealing cooperate；The valve
Internal wall is equipped with the protrusion (14) matched with the limiting section (41), and it is convex that the first passage (15) is at least partially disposed in this
In portion (14).
6. the selector valve of decompression starting according to claim 5, it is characterised in that: the opening of the first passage (15) is set
In on the protrusion (14) lower surface.
7. the selector valve of decompression starting according to claim 6, it is characterised in that: the valve body (1) includes end cap (16),
The end cap (16) is equipped with the card division (161) matched with the guide part (7), which is set on the card division；Institute
State formation second space (8) between first piston (4) bottom wall, valve body (1) inner wall, end cap (16) and guide part (7) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207136.XA CN108006240B (en) | 2017-11-27 | 2017-11-27 | A kind of selector valve of decompression starting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207136.XA CN108006240B (en) | 2017-11-27 | 2017-11-27 | A kind of selector valve of decompression starting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006240A CN108006240A (en) | 2018-05-08 |
| CN108006240B true CN108006240B (en) | 2019-05-03 |
Family
ID=62053895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711207136.XA Expired - Fee Related CN108006240B (en) | 2017-11-27 | 2017-11-27 | A kind of selector valve of decompression starting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006240B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507869A (en) * | 2009-03-30 | 2009-08-19 | 浙江信达可恩消防实业有限责任公司 | Electric control selection valve and active bottle control distribution method using the valve |
| CN101699109A (en) * | 2009-10-29 | 2010-04-28 | 南京普鲁卡姆电器有限公司 | Double-air source selection valve |
| CN106090396A (en) * | 2016-08-23 | 2016-11-09 | 浙江信达可恩消防实业有限责任公司 | Integral type selector valve |
| CN205938056U (en) * | 2016-08-19 | 2017-02-08 | 上海磊诺安防技术股份有限公司 | Fire trace tube fire -extinguishing device's bottle valve |
| GB2545512A (en) * | 2015-12-15 | 2017-06-21 | Douwe Egberts Bv | Selection valve and beverage system including same |
-
2017
- 2017-11-27 CN CN201711207136.XA patent/CN108006240B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507869A (en) * | 2009-03-30 | 2009-08-19 | 浙江信达可恩消防实业有限责任公司 | Electric control selection valve and active bottle control distribution method using the valve |
| CN101699109A (en) * | 2009-10-29 | 2010-04-28 | 南京普鲁卡姆电器有限公司 | Double-air source selection valve |
| GB2545512A (en) * | 2015-12-15 | 2017-06-21 | Douwe Egberts Bv | Selection valve and beverage system including same |
| CN205938056U (en) * | 2016-08-19 | 2017-02-08 | 上海磊诺安防技术股份有限公司 | Fire trace tube fire -extinguishing device's bottle valve |
| CN106090396A (en) * | 2016-08-23 | 2016-11-09 | 浙江信达可恩消防实业有限责任公司 | Integral type selector valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108006240A (en) | 2018-05-08 |
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