CN106693258A - Self-operated automatic fire sprinkler valve with detachable fixed magnetic ring valve deck - Google Patents
Self-operated automatic fire sprinkler valve with detachable fixed magnetic ring valve deck Download PDFInfo
- Publication number
- CN106693258A CN106693258A CN201611109523.5A CN201611109523A CN106693258A CN 106693258 A CN106693258 A CN 106693258A CN 201611109523 A CN201611109523 A CN 201611109523A CN 106693258 A CN106693258 A CN 106693258A
- Authority
- CN
- China
- Prior art keywords
- valve
- magnet ring
- self
- bonnet
- automatic fire
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- 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
-
- 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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a self-operated automatic fire sprinkler valve with a detachable fixed magnetic ring valve deck. The self-operated automatic fire sprinkler valve comprises a valve body and a self-operated control mechanism connected with the valve body. The self-operated mechanism comprises a base connected with the valve body, a rubber piston gasket located between the base and the valve body, a valve element penetrating the base, a sealing pipe, a magnetic ring sleeve, a connecting rod, a valve cap, a memory alloy piece, a baffle and a fixed rod. The detachable fixed magnetic ring valve deck is further included and is in threaded connection with the valve cap and the base. A turned edge is formed at the open end of the sealing pipe and is locked between the detachable fixed magnetic ring valve deck and the base. According to the self-operated automatic fire sprinkler valve with the detachable fixed magnetic ring valve deck, the sealing pipe can be fixed through the detachable fixed magnetic ring valve deck and the base and does not need to be fixed to the base through a welding manner, and operation and mounting of the whole self-operated automatic fire sprinkler valve with the detachable fixed magnetic ring valve deck are more convenient.
Description
Technical field
The present invention relates to fire-fighting equipment technical field, specifically, more particularly to a kind of carrying is detachably fixed magnet ring valve
The self-operated type automatic fire control shower valve of lid.
Background technology
In correlation technique, indoor fire extinguishing system in room by installing fume ionic sensor and glass bubble Water spray
Head, tackles emergency fire.This fire-fighting system, it is most of to apply due to being limited by mounting means and installation cost
In the building such as higher hotel, restaurant and office building.Also, glass bubble Water spray head is disposable device, fire
Automatic rupture water spray after occurring afterwards, but after fire is extinguished, due to that can not be automatically switched off, water still sprays incessantly, valuable water
While resource is largely wasted, the loss of water logging, such as library, archives material room, the reality of outfit instrument and meter are also resulted in
Room etc. is tested, all the secondary disaster can be formed due to substantial amounts of water logging, the loss for being difficult to retrieve is caused.
In the prior art, the opening and closing by the control structure of magnetic coupling and temperature memory alloy combination to valve body is carried out
Control, to realize passive automatic spray.But in the prior art, generally included in control structure for the close of part sealed valve core
Tube sealing, the seal pipe is connected with the pedestal in control structure by way of welding, control structure is being installed and is being operated
When, seal pipe cannot be removed from control structure, operated and be inconvenient, and limit the use scope of control structure.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art to a certain extent.In view of this,
The present invention needs to provide a kind of easy to operate, simple structure with the self-operated type automatic fire control spray for being detachably fixed magnet ring bonnet
Drench valve.
It is of the invention with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, including：Valve body with
And the self-operated type controlling organization being connected with the valve body, the self-operated type controlling organization include be connected with the valve body pedestal,
Rubber piston pad between the pedestal and the valve body, the valve element through the pedestal, seal pipe, magnet ring set, company
Extension bar, bonnet, memory alloy part, baffle plate and fix bar, the rubber piston pad be provided with piston enter to press hole and with the valve
The piston relief hole of the relief hole connection of body, the top seal of the valve element is provided with magnetic pole component, and bottom is provided with valve piston,
The valve element top is inserted in seal pipe, and the magnet ring set is set in the seal pipe, and magnet ring is provided with the magnet ring set
Component, the top of the magnet ring set be connected with the connecting rod, the connecting rod pass through the bonnet, the memory alloy part,
The baffle plate is connected with fix bar, also including being detachably fixed magnet ring bonnet, it is described be detachably fixed magnet ring bonnet respectively with institute
State valve and emit and be formed with flange with base thread connection, the openend of the seal pipe, the flange be locked in it is described can
Between the fixed magnet ring bonnet of dismounting and the pedestal.
According to an embodiment of the invention with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, sealing
Pipe by being detachably fixed magnet ring bonnet and pedestal by that can be fixed, it is not necessary to be fixed on pedestal by way of welding
On so that it is whole more to facilitate with the self-operated type automatic fire control shower valve operation and installation for being detachably fixed magnet ring bonnet.Again
Person, location sealing pipe by magnet ring bonnet is detachably fixed by setting, when tentatively being installed, can be according to client's need
Ask, choose whether that other most of part of self-operated type controlling organization is installed, operate and construct and be more flexible and convenient.
In addition, according to the above embodiment of the present invention spray with the self-operated type automatic fire control for being detachably fixed magnet ring bonnet
Valve can also have following additional technical characteristic：
Seal washer is provided between the pedestal and the seal pipe.
The seal pipe is copper piece.
The magnet ring puts the back-moving spring for being arranged with and being emitted with the valve and offseted.
The cross section on the magnet ring set top is polygon, and the valve emits the interior groove for having and being matched with magnet ring set top
Body.
Heat gathering cover is further included, the heat gathering cover emits upper end and is connected with the valve.
The valve body has a water inlet and multiple delivery ports.
The ratio between the piston relief hole and sectional area of the valve inleting water mouth are more than 1:80.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Fig. 1 is according to an embodiment of the invention with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet
Structural representation.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
As shown in figure 1, according to an embodiment of the invention with the self-operated type automatic fire control for being detachably fixed magnet ring bonnet
Shower valve 100, including：Valve body 1 and the self-operated type controlling organization being connected with valve body 1.
Specifically, self-operated type controlling organization include be connected with valve body 1 pedestal 17, between pedestal 17 and valve body 1
Rubber piston pad 16, cover 6, connecting rod 21, bonnet 8, memory alloy part through the valve element 5 of pedestal 17, seal pipe 20, magnet ring
22nd, baffle plate 10 and fix bar 9.
Wherein, rubber piston pad 16 being provided with piston enters to press hole 14 and the piston connected with the relief hole of valve body 1 above
Relief hole 4, the top seal of valve element 5 is provided with magnetic pole component, and bottom is provided with valve piston 15, and the top of valve element 5 is inserted in seal pipe
In 20, magnet ring set 6 is set in seal pipe 20.
Magnetic ring component 19 is installed, the top of magnet ring set 6 is connected with connecting rod 21, and connecting rod 21 passes through valve in magnet ring set 6
Cap 8, memory alloy part 22, baffle plate 10 are connected with fix bar 9.
Self-operated type controlling organization can also include being detachably fixed magnet ring bonnet 18, be detachably fixed magnet ring bonnet 18 and distinguish
With valve emit 8 and pedestal 17 be threadedly coupled, the openend of seal pipe 20 is formed with flange 23, and flange 23 is locked in and is detachably fixed
Between magnet ring bonnet 18 and pedestal 17.In other words, the top for being detachably fixed magnet ring bonnet 18 can emit 8 threaded connections with valve,
The bottom for being detachably fixed magnet ring bonnet 18 can be threadedly coupled with pedestal 17, and the flange 23 of seal pipe 20 is positioned in detachably
Between fixed magnet ring bonnet 18 and pedestal 17.
According to an embodiment of the invention with the self-operated type automatic fire control shower valve 100 for being detachably fixed magnet ring bonnet,
Seal pipe 20 by being detachably fixed magnet ring bonnet 18 and pedestal 17 by that can be fixed, it is not necessary to by way of welding
Be fixed on pedestal 17 so that it is whole with the operation of self-operated type automatic fire control shower valve 100 for being detachably fixed magnet ring bonnet and
It is easier for installation.Furthermore, location sealing pipe 20 by magnet ring bonnet 18 is detachably fixed by setting, tentatively installed
When, according to customer demand can choosing whether that other most of part of self-operated type controlling organization is installed, operation and construction are more
Plus it is flexible.
As shown in figure 1, in order to improve sealing effectiveness, according to one embodiment of present invention, pedestal 17 and seal pipe 20 it
Between can be provided with seal washer 24.
Further, according to one embodiment of present invention, seal pipe 20 can be copper piece.It is understood that according to
One embodiment of the present of invention, is arranged with magnet ring set 6 and emits 8 back-moving springs 7 for offseting with valve.For the ease of implementing, magnet ring set 6
The cross section on top is polygon, and valve emits to have in 8 and covers the cell body that 6 tops match with magnet ring.
Embodiments in accordance with the present invention, it is automatic with the self-operated type for being detachably fixed magnet ring bonnet in order to improve heat build-up efficiency
Fire-fighting spraying valve 100 may further include heat gathering cover（It is not shown）, heat gathering cover emits 8 upper ends and is connected with valve.It is of the invention
The ratio between sectional area of one embodiment, piston relief hole 14 and valve inleting water mouth is more than 1:80.
Referring to Fig. 1, according to one embodiment of present invention, valve body 1 has a water inlet 11 and multiple delivery ports 3,13.
It is understood that water knockout drum 12, water inlet 11 and water knockout drum 12 can be provided with embodiments in accordance with the present invention, valve body 1
Water knockout drum water inlet 2 connect, to realize that one enters to have more.
As shown in figure 1, the principle of embodiments of the invention is so work, shower valve 100 may be mounted at storey slings
Top is interior, wherein baffle plate 10, fix bar 11, and memory alloy part 22, heat gathering cover, spray head are arranged on furred ceiling lower section, are exposed in room.
Valve inleting water mouth 11 in furred ceiling is connected by pipeline with fire water main pipeline, delivery port 3,13 by pipeline respectively with furred ceiling under
The spray head connection of side.The shape of the exposed parts of shower valve 100 is with existing glass envelope fire plant technology profile very after installation
It is alike；When temperature is without abnormal rising indoors, that is, when not having the condition of a fire, memory alloy part 22 is in contraction state, magnet ring
Set 6 is forced to the low side movement of valve core housing 5 in the presence of the elastic force of return spring 7, due to magnetic coupling interaction, band movable valve plug 5
Interior magnetic pole component moves down, forces the piston pressure release that the valve piston 15 of the lower end of valve element 5 is blocked on rubber piston pad 16
Hole 14.When the indoor generation condition of a fire causes indoor temperature to raise extremely, memorial alloy 22 is all under the heat reflection effect of heat gathering cover
Enclose environment temperature to raise rapidly, when the deformation temperature value of memorial alloy is reached, the memorial alloy expansion of spring-like promotes plate washer
10 motions upwards, motion drives connecting rod 21 to move upwards to plate washer 10 upwards, and connecting rod 21 pulls the motion upwards of magnet ring set 6 again,
Magnetic ring component in magnet ring set 6 is moved and forces valve piston 15 upwards by magnetic coupling interaction with the magnetic pole component in movable valve plug 5
The piston relief hole 14 on piston cap is left, the hydraulic pressure of the upper surface of rubber piston pad 16 is by piston relief hole 14, delivery port
3rd, 13 pressure release.Rubber piston pad 16 is opened on the hydraulic pressure top of water inlet 11, and current flow directly into delivery port 3,13, and are passed through by pipeline
Spray head is spouting.After the condition of a fire is extinguished, when indoor environment temperature gradually decreases to 22 shrinkage value of memory alloy part, spring
Shape memory alloys are rapidly contracted to original memory state, and magnet ring is enclosed within the presence of return spring, is moved down rapidly, the envelope of valve piston 15
Piston relief hole 14 is blocked, forces the pressure of the upper surface of rubber piston pad 16 to be set up rapidly, rubber piston pad 16 is sealed rapidly
Water inlet 11 is blocked, valve closing, spray stops.Due to function of the present invention with automatic open close, it is to avoid prior art glass
After glass follicular rupture, although the condition of a fire is extinguished, but still water sprays more than defect, has not only saved water resource, and avoid
The secondary disaster that a large amount of water sprays cause, thus will realize having substituted the substantially external glass of backwardness with domestic fire prevention
Bubble fire prevention is possibly realized.The present invention is also equipped with manual opening function, such as in valve closing, as long as using instrument right rotation
Dynamic trace.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
What combined in an appropriate manner in one or more embodiments or example.Additionally, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. a kind of with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, including：Valve body and with the valve
Body connection self-operated type controlling organization, the self-operated type controlling organization include be connected with the valve body pedestal, positioned at the base
Seat and the valve body between rubber piston pad, the valve element through the pedestal, seal pipe, magnet ring set, connecting rod, bonnet,
Memory alloy part, baffle plate and fix bar, the rubber piston pad are provided with piston and enter to press hole and the relief hole with the valve body
The piston relief hole of connection, the top seal of the valve element is provided with magnetic pole component, and bottom is provided with valve piston, on the valve element
Portion is inserted in seal pipe, and the magnet ring set is set in the seal pipe, and magnetic ring component, the magnetic are provided with the magnet ring set
The top of ring set is connected with the connecting rod, and the connecting rod is through the bonnet, the memory alloy part, the baffle plate and consolidates
Fixed pole is connected, it is characterised in that also including being detachably fixed magnet ring bonnet, it is described be detachably fixed magnet ring bonnet respectively with it is described
Valve emits and is formed with flange with base thread connection, the openend of the seal pipe, and the flange is locked in described removable
Unload between fixed magnet ring bonnet and the pedestal.
2. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is to be provided with seal washer between the pedestal and the seal pipe.
3. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is that the seal pipe is copper piece.
4. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is that the magnet ring puts the back-moving spring for being arranged with and being emitted with the valve and offseted.
5. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is that the cross section on the magnet ring set top is polygon, and the valve emits the interior cell body for having and being matched with magnet ring set top.
6. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is to further include heat gathering cover, the heat gathering cover emits upper end and is connected with the valve.
7. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is that the valve body has a water inlet and multiple delivery ports.
8. according to claim 1 with the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet, its feature
It is that the ratio between the piston relief hole and sectional area of the valve inleting water mouth are more than 1:80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109523.5A CN106693258A (en) | 2016-12-06 | 2016-12-06 | Self-operated automatic fire sprinkler valve with detachable fixed magnetic ring valve deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109523.5A CN106693258A (en) | 2016-12-06 | 2016-12-06 | Self-operated automatic fire sprinkler valve with detachable fixed magnetic ring valve deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106693258A true CN106693258A (en) | 2017-05-24 |
Family
ID=58935831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611109523.5A Pending CN106693258A (en) | 2016-12-06 | 2016-12-06 | Self-operated automatic fire sprinkler valve with detachable fixed magnetic ring valve deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693258A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10292878A (en) * | 1997-04-18 | 1998-11-04 | Tokyo Keiso Co Ltd | Flow control valve and valve stem therefor |
| CN2494460Y (en) * | 2000-10-27 | 2002-06-05 | 徐庭中 | Long service life leakless labour-saving tap |
| CN101584917A (en) * | 2008-05-19 | 2009-11-25 | 北京星航机电设备厂 | Automatic fire valve with manual operating device |
| CN102679001A (en) * | 2011-03-07 | 2012-09-19 | 全龙浩 | Temperature-presettable multi-drive self-operated fire valve |
| CN103418103A (en) * | 2012-05-25 | 2013-12-04 | 全龙浩 | Heat-accumulating type self-powering automatic fire valve |
| CN104373625A (en) * | 2013-08-13 | 2015-02-25 | 全龙浩 | Vertical-type one-inlet multi-outlet type fire spraying valve |
| CN204176095U (en) * | 2014-10-23 | 2015-02-25 | 宁波利达气动成套有限公司 | Large discharge bi-bit bi-pass miniature valve |
| CN205118266U (en) * | 2015-11-13 | 2016-03-30 | 上海恒温控制器厂有限公司 | Seal structure of solenoid valve |
| CN206275947U (en) * | 2016-12-06 | 2017-06-27 | 中国航天建设集团有限公司 | With the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet |
-
2016
- 2016-12-06 CN CN201611109523.5A patent/CN106693258A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10292878A (en) * | 1997-04-18 | 1998-11-04 | Tokyo Keiso Co Ltd | Flow control valve and valve stem therefor |
| CN2494460Y (en) * | 2000-10-27 | 2002-06-05 | 徐庭中 | Long service life leakless labour-saving tap |
| CN101584917A (en) * | 2008-05-19 | 2009-11-25 | 北京星航机电设备厂 | Automatic fire valve with manual operating device |
| CN102679001A (en) * | 2011-03-07 | 2012-09-19 | 全龙浩 | Temperature-presettable multi-drive self-operated fire valve |
| CN103418103A (en) * | 2012-05-25 | 2013-12-04 | 全龙浩 | Heat-accumulating type self-powering automatic fire valve |
| CN104373625A (en) * | 2013-08-13 | 2015-02-25 | 全龙浩 | Vertical-type one-inlet multi-outlet type fire spraying valve |
| CN204176095U (en) * | 2014-10-23 | 2015-02-25 | 宁波利达气动成套有限公司 | Large discharge bi-bit bi-pass miniature valve |
| CN205118266U (en) * | 2015-11-13 | 2016-03-30 | 上海恒温控制器厂有限公司 | Seal structure of solenoid valve |
| CN206275947U (en) * | 2016-12-06 | 2017-06-27 | 中国航天建设集团有限公司 | With the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |