CN110345257A - A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve - Google Patents
A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve Download PDFInfo
- Publication number
- CN110345257A CN110345257A CN201910662945.2A CN201910662945A CN110345257A CN 110345257 A CN110345257 A CN 110345257A CN 201910662945 A CN201910662945 A CN 201910662945A CN 110345257 A CN110345257 A CN 110345257A
- Authority
- CN
- China
- Prior art keywords
- valve
- gas cylinder
- valve body
- built
- exhaust outlet
- 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
-
- 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
- F16K1/02—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 with screw-spindle
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0329—Valves manually actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of built-in gas cylinder valve and equipped with the gas cylinder of the valve.Heretofore described valve body is provided with exhaust outlet and inflating port, and exhaust outlet and inflating port connect and compose gas passage through control channel；Valve rod passes through control channel through control mouth, and valve stem top is connect with operation handle, is sealed between valve rod and valve body using airtight and watertight padding at control mouth, and gland is assemblied at valve body control mouth；It is threadedly coupled around in the middle part of valve rod with valve body composition；The spool of valve stem end and exhaust ports is attached；Valve body upper end outer circumferential is equipped with external screw thread, and in use, valve body lower end is directly protruding into gas cylinder, is threadedly coupled by valve body upper external screw thread with gas cylinder mouth composition.The present invention is designed by compact structure, the components such as valve body other than driving handle is designed as compact cylinder, when in use, valve body is completely disposed at gas cylinder internal, so that valve body inside and outside pressure balances each other, can effectively improve the service life of gas cylinder valve structure.
Description
Technical field
Present invention design is related to gas cylinder valve technical field more particularly to a kind of built-in gas cylinder valve and equipped with the valve
Gas cylinder.
Background technique
In the main control member that filling in exhaust process for high pressure gas cylinder, the valve of bottle mouth of gas cylinder are flowed as high pressure gas
Biggish gas pressure and impact are often born in part, inside；Gas cylinder valve fills in discharge process what is be repeated as many times, it is easy to send out
Raw failure, while the catastrophic failure of gas cylinder valve is also unfavorable for the safe handling of gas cylinder.Although, can by overhauling and replacing in time
Effectively avoid above situation, but generally higher cost.Therefore, it is necessary to be directed to gas cylinder valve from structure to carry out special set
Meter, to realize the prevention failure of lower cost.
Currently, being primarily intended to the Seal Design of gas cylinder valve, such as publication No. in published gas cylinder valve patent application
It is directed to the Seal Design of gas cylinder valve in CN102032442A and publication No. CN107120436A, and effectively prevents the mistake of valve intensity
The design of effect is less.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of built-in gas cylinder valve, the valve when in use, valve body
It is completely disposed at gas cylinder internal, so that valve body inside and outside pressure balances each other, the service life of gas cylinder valve structure can be effectively improved.
The present invention it is specific the technical solution adopted is that:
A kind of built-in gas cylinder valve comprising valve body, exhaust outlet, spool, control channel, airtight and watertight padding, gland,
Driving handle, valve rod and inflating port；
The valve body vertical direction is equipped with exhaust outlet, control channel and inflating port, and exhaust outlet is located at the bottom of valve body, fills
Port is located at the top of valve body, and exhaust outlet and inflating port connect and compose gas passage through control channel；The valve rod is through control mouth
It is protruded into exhaust outlet after control channel, valve stem top is connect with operation handle, is adopted between the valve rod and valve body at control mouth
It is sealed with airtight and watertight padding, gland is assemblied at valve body control mouth, for compressing airtight and watertight padding；Around in the middle part of valve rod with
Valve body is cooperated by threaded stem, constitutes the screw pair that control valve rod moves up and down；Valve rod bottom end is fixed with spool；It is described
Valve body upper end periphery is provided with the valve body external screw thread for connecting gas cylinder, and the inflating port is provided with for filling with piping connection
Port internal screw thread；Spool can be moved up and down vertically, when driving handle band ovable valve stem rotates between control channel and exhaust outlet
Communication port control is opened and closed.
Preferably, along the vertical direction, the exhaust outlet and control are logical for the exhaust outlet, control channel and inflating port axis
Road axis is on same straight line.
Preferably, the control channel upper end of the valve body is equipped with the threaded stem in the middle part of internal screw thread, with valve rod and forms screw thread
Cooperate, the stem diameter in the middle part of the valve rod at threaded stem is slightly larger than the diameter of valve rod other positions.
Preferably, the gland center is provided with circular hole, and Circularhole diameter is slightly larger than stem diameter, and valve rod passes through filler pressure
It is fixed after the circular hole at lid center with driving handle.
Preferably, the gland and valve body upper end are fixedly mounted by fastening nut and bolt.
Preferably, the channel diameter between the control channel and exhaust outlet is slightly larger than the diameter of valve rod.
Preferably, the spool is hemispherical, and the communication port bottom between control channel and exhaust outlet is tapered, and valve is closed
When, the spherical surface at the top of spool contacts closely sealed with the tapered slope of communication port.
Preferably, the integral outer profile of the valve body is cylindrical.
Another object of the present invention is to provide a kind of gas cylinders equipped with built-in gas cylinder valve, including bottle body and setting to exist
Built-in gas cylinder valve on bottle body, the built-in gas cylinder valve are built-in bottle valve described in above-mentioned any one scheme
, it is provided with internal screw thread at the bottle body and bottleneck, the built-in gas cylinder valve is screwed by valve body external screw thread and bottle body and bottleneck
Place, built-in gas cylinder valve lower end is integrally protruded into gas cylinder, so that valve body inside and outside pressure balances each other.
The beneficial effects of the present invention are:
The present invention is designed by compact structure, and the components such as valve body other than driving handle are designed as compact cylinder
Shape, when in use, valve body are completely disposed at gas cylinder internal, so that valve body inside and outside pressure balances each other, can effectively improve gas cylinder valve
The service life of structure；The configuration of the present invention is simple is compact, using reversed sealed design, can effectively reduce the leakage of gas.
Detailed description of the invention
Fig. 1 is the half sectional view of gas cylinder valve according to the present invention；
In figure: 1, exhaust outlet；2, spool；3, control channel；4, threaded stem；5, airtight and watertight padding；6, gland；7, tight
Fixing bolt；8, driving handle；9, nut；10, inflating port；11, inflating port screw thread；12, valve body screw thread；13, valve rod；14, valve body.
Specific embodiment
Below in conjunction with drawings and concrete examples, present invention is further described in 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. 1, in the present embodiment, a kind of built-in gas cylinder valve include valve body 14, exhaust outlet 1, spool 2,
Control channel 3, airtight and watertight padding 5, gland 6, driving handle 8, valve rod 13 and inflating port 10；
Wherein, valve body 14 uses unitary design.14 vertical direction of valve body is equipped with exhaust outlet 1, control channel 3 and inflating port
10, exhaust outlet 1 is located at the bottom of valve body 14, and inflating port 10 is located at the top of valve body 14, exhaust outlet 1, control channel 3 and inflating port
Along the vertical direction, wherein exhaust outlet 1 and 3 axis of control channel are on same straight line, and 10 axis of inflating port for 10 axis
Axis is then staggered.Exhaust outlet 1 and inflating port 10 connect and compose gas passage through control channel 3.
An open control mouth is opened up in 1 position directly above of exhaust outlet in valve body 14, for installing valve rod 13 and close
Sealing assembly.Valve rod 13 protrudes into exhaust outlet 1 after control mouth passes through control channel 3,13 top of valve rod and discoidal driving hand
Handle 8 connects, and is sealed between the valve rod 13 and valve body 14 at control mouth using airtight and watertight padding 5, gland 6 is assemblied in valve body
At control mouth, for compressing airtight and watertight padding 5；6 center of gland is provided with circular hole, and Circularhole diameter is slightly larger than the diameter of valve rod 13,
Valve rod 13 is fixed after the circular hole that control mouth passes through 6 center of gland with driving handle bottom centre, gland 6 and valve body
14 upper ends pass through nut 9 and the detachable fixed installation of fastening bolt 7.
13 medium position of valve rod is equipped with threaded stem 4, and 3 upper end of control channel in valve body 14 is equipped with internal screw thread, with valve rod
The formation of threaded stem 4 at 13 middle parts is threadedly engaged, and constitutes the screw pair that control valve rod 13 moves up and down, 13 middle part valve rod spiral shell of valve rod
Stem diameter at line 4 is slightly larger than the integral diameter of valve rod.Channel diameter between control channel 3 and exhaust outlet 1 is slightly larger than valve
The diameter of bar 13.The end that valve rod 13 is located in exhaust outlet 1 is fixed with spool 2, hemispherical, and control channel 3 and exhaust outlet 1
Between the tapered spool 2 in communication port bottom in driving handle 8 under the driving of ovable valve stem 13, can along the vertical direction on move down
It is dynamic, control is opened and closed to the communication port between control channel 3 and exhaust outlet 1.When valve is closed, screwing driving handle 8 makes spool 2
Rise, the spherical surface at the top of spool 2 contacts closely sealed with the tapered slope of communication port, and gas circuit is blocked；Make valve when screwing driving handle 8
Core 2 declines, and when the spherical surface at top and the tapered slope of communication port are detached from, gas circuit is reopened.
The built-in gas cylinder valve needs for most of valve body to be packed into when in use inside the bottleneck of gas cylinder, therefore valve body 14
Whole cylindrical, when installing, driving handle 8 and inflating port 10 need to be exposed at outside bottleneck.14 upper end periphery of valve body is set
It is equipped with the valve body external screw thread 12 for connecting gas cylinder, inflating port 10 is provided with the inflating port internal screw thread for connecting with exterior line
11。
Based on the gas cylinder of the built-in gas cylinder valve, including bottle body and the built-in gas cylinder valve being arranged on bottle body, bottle
Body bottle mouth position is provided with the internal screw thread that can cooperate with valve body external screw thread 12, and built-in gas cylinder valve lower end is protruded into gas cylinder, valve
Body upper end is cooperated by valve body external screw thread 12 and the installation of bottleneck internal screw thread, the specific structure of the built-in gas cylinder valve and above-mentioned reality
The structure applied in example is consistent.
Therefore, the components such as valve body other than driving handle are designed as compact cylinder, when in use, valve body by the present invention
It is completely disposed at gas cylinder internal, so that valve body inside and outside pressure balances each other, the service life of gas cylinder valve structure can be effectively improved.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention
Change and modification.Therefore all mode technical solutions obtained for taking equivalent substitution or equivalent transformation, all fall within guarantor of the invention
It protects in range.
Claims (9)
1. a kind of built-in gas cylinder valve, it is characterised in that: including valve body (14), exhaust outlet (1), spool (2), control channel
(3), airtight and watertight padding (5), gland (6), driving handle (8), valve rod (13) and inflating port (10)；
Valve body (14) vertical direction is equipped with exhaust outlet (1), control channel (3) and inflating port (10), exhaust outlet (1) and is located at
The bottom of valve body (14), inflating port (10) are located at the top of valve body (14), and exhaust outlet (1) and inflating port (10) are through control channel
(3) gas passage is connected and composed；The valve rod (13) is protruded into exhaust outlet (1) after control mouth passes through control channel (3), valve rod
(13) top is connect with operation handle (8), is carried out between the valve rod (13) at control mouth and valve body (14) using airtight and watertight padding (5)
Sealing, gland (6) is assemblied at valve body control mouth, for compressing airtight and watertight padding (5)；Surrounding and valve body in the middle part of valve rod (13)
(14) cooperated by threaded stem (4), constitute the screw pair that control valve rod (13) moves up and down；Valve rod (13) bottom end is fixed
There are spool (2)；Valve body (14) the upper end periphery is provided with the valve body external screw thread (12) for connecting gas cylinder, the inflating port
(10) it is provided with for the inflating port internal screw thread (11) with piping connection；Spool (2) is revolved in driving handle (8) band ovable valve stem (13)
It when turning, can vertically move up and down, control is opened and closed to the communication port between control channel (3) and exhaust outlet (1).
2. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the exhaust outlet (1), control channel
(3) and inflating port (10) axis along the vertical direction, the exhaust outlet (1) and control channel (3) axis are on same straight line.
3. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the control channel of the valve body (14)
(3) upper end is equipped with threaded stem (4) formation in the middle part of internal screw thread, with valve rod (13) and is threadedly engaged, valve rod (13) middle valve
Stem diameter at bar screw thread (4) is slightly larger than the diameter of valve rod (13) other positions.
4. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: open at gland (6) center
Have a circular hole, Circularhole diameter is slightly larger than valve rod (13) diameter, valve rod (13) pass through after the circular hole at gland (6) center with driving hand
Handle (8) is fixed.
5. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the gland (6) and valve body
(14) upper end is fixedly mounted by fastening nut (9) and bolt (7).
6. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the control channel (3) and exhaust
Channel diameter between mouth (10) is slightly larger than the diameter of valve rod (13).
7. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the spool (2) is hemispherical, control
Communication port bottom between channel (3) processed and exhaust outlet (1) is tapered, the spherical surface and communication port when valve is closed, at the top of spool (2)
Tapered slope contact it is closely sealed.
8. a kind of built-in gas cylinder valve according to claim 1, it is characterised in that: the integral outer of the valve body (14)
Profile is cylindrical.
9. a kind of gas cylinder equipped with built-in gas cylinder valve, including bottle body and the built-in gas cylinder valve being arranged on bottle body,
Be characterized in that: the built-in gas cylinder valve is built-in gas cylinder valve described in 1~8 any one of the claims, institute
It states and is provided with internal screw thread at bottle body and bottleneck, the built-in gas cylinder valve is screwed by valve body external screw thread (12) and bottle body and bottleneck
Place, built-in gas cylinder valve lower end is integrally protruded into gas cylinder, so that valve body inside and outside pressure balances each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662945.2A CN110345257A (en) | 2019-07-22 | 2019-07-22 | A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662945.2A CN110345257A (en) | 2019-07-22 | 2019-07-22 | A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345257A true CN110345257A (en) | 2019-10-18 |
Family
ID=68179713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910662945.2A Pending CN110345257A (en) | 2019-07-22 | 2019-07-22 | A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345257A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700350A (en) * | 2019-10-21 | 2020-01-17 | 林瑞婷 | Diaphragm type air pressure tank of non-negative pressure water supply system |
| CN113324046A (en) * | 2021-05-28 | 2021-08-31 | 中国工程物理研究院总体工程研究所 | Axial driving type all-metal diaphragm valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153057A1 (en) * | 2001-04-18 | 2002-10-24 | Intoximeters, Inc | Bottle valve |
| DE102010027977A1 (en) * | 2010-04-07 | 2011-10-13 | Klaus Perthel | Temperature-controlled safety element for fluid store, particularly glass bottle, has valve body with external thread for screwing into fluid store and flow channel with axial inlet and radial outlet |
| CN202215789U (en) * | 2011-07-08 | 2012-05-09 | 陈亮 | Novel shunt metering valve |
| US8327868B2 (en) * | 2009-06-04 | 2012-12-11 | Control Devices, Llc | Cylinder valve with thermal relief feature |
| CN204114566U (en) * | 2014-09-26 | 2015-01-21 | 上海舜华新能源系统有限公司 | A kind of integrated cylinder valve for high-pressure gas cylinder |
| CN206429669U (en) * | 2016-12-22 | 2017-08-22 | 浙江锦帆船舶配件制造有限公司 | A kind of gas pipeline valve |
| CN107120528A (en) * | 2017-04-22 | 2017-09-01 | 张家港富瑞阀门有限公司 | A kind of integrated cylinder valve of novel high-pressure gas storage |
| CN207005302U (en) * | 2017-05-16 | 2018-02-13 | 凯迈（洛阳）气源有限公司 | Self-locking seal formula valve and the gas cylinder using the valve |
-
2019
- 2019-07-22 CN CN201910662945.2A patent/CN110345257A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153057A1 (en) * | 2001-04-18 | 2002-10-24 | Intoximeters, Inc | Bottle valve |
| US8327868B2 (en) * | 2009-06-04 | 2012-12-11 | Control Devices, Llc | Cylinder valve with thermal relief feature |
| DE102010027977A1 (en) * | 2010-04-07 | 2011-10-13 | Klaus Perthel | Temperature-controlled safety element for fluid store, particularly glass bottle, has valve body with external thread for screwing into fluid store and flow channel with axial inlet and radial outlet |
| CN202215789U (en) * | 2011-07-08 | 2012-05-09 | 陈亮 | Novel shunt metering valve |
| CN204114566U (en) * | 2014-09-26 | 2015-01-21 | 上海舜华新能源系统有限公司 | A kind of integrated cylinder valve for high-pressure gas cylinder |
| CN206429669U (en) * | 2016-12-22 | 2017-08-22 | 浙江锦帆船舶配件制造有限公司 | A kind of gas pipeline valve |
| CN107120528A (en) * | 2017-04-22 | 2017-09-01 | 张家港富瑞阀门有限公司 | A kind of integrated cylinder valve of novel high-pressure gas storage |
| CN207005302U (en) * | 2017-05-16 | 2018-02-13 | 凯迈（洛阳）气源有限公司 | Self-locking seal formula valve and the gas cylinder using the valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700350A (en) * | 2019-10-21 | 2020-01-17 | 林瑞婷 | Diaphragm type air pressure tank of non-negative pressure water supply system |
| CN113324046A (en) * | 2021-05-28 | 2021-08-31 | 中国工程物理研究院总体工程研究所 | Axial driving type all-metal diaphragm valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20191018 |