CN201461985U - Automobile-used special gas cylinder valve - Google Patents
Automobile-used special gas cylinder valve Download PDFInfo
- Publication number
- CN201461985U CN201461985U CN2009200753956U CN200920075395U CN201461985U CN 201461985 U CN201461985 U CN 201461985U CN 2009200753956 U CN2009200753956 U CN 2009200753956U CN 200920075395 U CN200920075395 U CN 200920075395U CN 201461985 U CN201461985 U CN 201461985U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- pressure cap
- gas cylinder
- pressing cap
- 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
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
- F16K41/043—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/403—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint with a fracturing valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/16—Spindle sealings with a flange on the spindle which rests on a sealing ring
Abstract
The utility model relates to an automobile-used special gas cylinder valve, particularly relates to an automobile-used gas cylinder opening and closing device and aims to provide a gas cylinder valve suitable for being filled with special gas. The automobile-used special gas cylinder valve comprises a valve body, a pressing cap, a valve rod, a valve, a seal ring, a handwheel, a spring and a spring pressing cap; the valve and the valve rod are mounted in the valve body; the valve is embedded with the inner end of the valve rod; a sleeve gasket, the handwheel and the spring are arranged at the outer end of the valve rod in sequence; the spring pressing cap is fixed at the outer end of the valve rod; a valve body pressing cap is in threaded connection with the valve body; tapered threads connected with the gas cylinder are formed at the lower part of the valve body; an adaptor of a channel on one side of the valve body is connected with user equipment, a safety relief device is mounted in the channel on the other side of the valve body; and a safety pressing cap is assembled in a pressure release hole of a pressure release channel. The automobile-used special gas cylinder valve is characterized in that a polytetrafluoetylene taper seal ring is mounted in the valve body pressing cap and the valve body pressing cap is press-coated with an aluminum sheet flat washer and sealed with the valve body; the flat washer is sleeved on the excircle of the valve rod; fusible alloy filling material is casted in the relief hole of the safety pressing cap; and an safety film is installed at the inner end of the safety pressing cap. The utility model is suitable for the automobile-used special gas cylinder valve.
Description
Technical field:
The utility model relates to the device that opens and closes that automobile-used special gas gas cylinder uses.
Background technique:
Cylinder valve belong to gas cylinder fill with using process in open and close device.Existing cylinder valve adopts valve body, pressure cap, valve rod, valve, handwheel, seal ring, seal washer assemblies, pressure cap is threaded with valve body, valve stem casing is in pressure cap, the valve rod lower end is connected with valve, the valve rod outer end is adorned pad successively, handwheel, spring, the spring pressure cap, the spring pressure cap is fixed on the valve rod outer end, the tapered thread of valve body lower portion is wrapped with behind the sealing strip to screw with gas cylinder and is connected, the passage connector of valve body one side is connected with user's equipment, the passage of valve body opposite side is equipped with safety relief device, the pressure release passage of safety relief device passes to valve body one side from valve body lower end, the relief hole of pressure release passage is equipped with safe pressure cap, the valve body assembling of the inner cylindrical surface system screw thread of safe pressure cap and relief hole one side.
The model utility content:
The utility model need provide a kind of adaptation to fill the cylinder valve of special gas.
The utility model adopts valve body, pressure cap, valve rod, valve, seal ring, handwheel, spring, spring pressure cap, valve and valve rod are contained in the valve body, the inner interlocking of valve and valve rod, the valve rod outer end is overlapped pad, handwheel, spring successively, and the spring pressure cap is fixed on the outer end of valve rod; The valve body pressure cap be threaded with valve body, valve body lower portion is for connecting the tapered thread of gas cylinder, the passage connector of valve body one side is connected with user's equipment, the passage dress safety relief device of valve body opposite side, the pressure release passage of safety relief device passes to valve body one side from valve body lower end, at the equipped safe pressure cap that is shaped on escape orifice of the relief hole of pressure release passage, the valve body assembling of the inner cylindrical surface system screw thread of safe pressure cap and relief hole one side, it is characterized in that being equipped with in the valve body pressure cap conical seal ring that teflon is made, the lower end of valve body pressure cap covers aluminium flake plain washer and valve seal, and plain washer is enclosed within the valve rod cylindrical; Cast low melting alloy filler in the safe pressure cap escape orifice, the inner dress of safe pressure cap rupture disk.
The utility model good airproof performance, be applicable to the requirement of automobile-used special gas cylinder valve compatibility, its equipped safety installations is when serviceability temperature surpasses the dissolving temperature of low melting alloy plug or gas cylinder internal pressure and surpasses blowout disk and set safety standard, guarantee release pressure in the gas cylinder of cylinder valve, stop because the security incident that superhigh temperature, ultrahigh pressure cause.
Description of drawings:
What accompanying drawing was represented is a kind of structural representation of cylinder valve.
Embodiment:
The utility model adopts valve body 10, valve assembly 11, valve rod 8, pressure cap 5, spring 2, spring pressure cap assembly 1, safety helmet 12, rupture disk 14, seal washer 9, plain washer 7, conical seal ring 6; The tapered thread of valve body 10 bottoms is fastenedly connected with gas cylinder after being wrapped with sealing strip, and the passage connector of valve body 10 1 sides and user's equipment are fastenedly connected, valve body opposite side dress safety helmet 12; Valve body 10 inner chambers are installed valve assembly 11, valve rod 8, seal washer 9 successively, valve assembly 11 is threaded with valve body 10, valve rod 8 and valve assembly 11 interlockings, cover plain washer 7, conical seal ring 6, pressure cap 5 on the valve rod 8, conical seal ring 6 equipped between pressure cap 5 endoporus and valve rod 8 cylinders prevents gas leakage, pressure cap 5 covers seal washer 9 and valve body 10 sealings, and pressure cap 5 is threaded with valve body 10; Valve rod 8 outer ends are with pad 4, handwheel 3, spring 2 successively, and handwheel 3 usefulness spring pressure cap assemblies 1 are fixed on valve rod 8 outer ends; Be rotated counterclockwise 8 rotations of handwheel 3 drive valve rods and promptly drive valve assembly 11 knee-action unlatching cylinder valve in valve body; The pressure release passage of valve body afterbody leads to relief hole; valve body relief hole and safety helmet 12 are fastenedly connected; be provided with the safety relief hole in the safety helmet 12; cast low melting alloy filler 15 in the safety relief hole; the safety helmet 12 inner rupture disks 14 of placing; place packing ring 13 between rupture disk 14 and the valve body 10; when the pressure in the gas cylinder reaches 5/3 times of gas cylinder nominal operating pressure (permissible error is ± 5%); low melting alloy melted by heat in the safety helmet; gas acts on the blowout disk; blowout disk is produced shear explosion, gas is released from the safety relief hole, plays the effect of safety protection.
Claims (1)
1. automobile-used special gas cylinder valve, adopt valve body, pressure cap, valve rod, valve, seal ring, handwheel, spring, spring pressure cap, valve and valve rod are contained in the valve body, the inner interlocking of valve and valve rod, the valve rod outer end is overlapped pad, handwheel, spring successively, and the spring pressure cap is fixed on the outer end of valve rod; The valve body pressure cap be threaded with valve body, valve body lower portion is for connecting the tapered thread of gas cylinder, the passage connector of valve body one side is connected with user's equipment, the passage dress safety relief device of valve body opposite side, the pressure release passage of safety relief device passes to valve body one side from valve body lower end, at the equipped safe pressure cap that is shaped on escape orifice of the relief hole of pressure release passage, the valve body assembling of the inner cylindrical surface system screw thread of safe pressure cap and relief hole one side, it is characterized in that being equipped with in the valve body pressure cap conical seal ring that teflon is made, the lower end of valve body pressure cap covers aluminium flake plain washer and valve seal, and plain washer is enclosed within the valve rod cylindrical; Cast low melting alloy filler in the safe pressure cap escape orifice, the inner dress of safe pressure cap rupture disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753956U CN201461985U (en) | 2009-07-28 | 2009-07-28 | Automobile-used special gas cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753956U CN201461985U (en) | 2009-07-28 | 2009-07-28 | Automobile-used special gas cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461985U true CN201461985U (en) | 2010-05-12 |
Family
ID=42389338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200753956U Expired - Fee Related CN201461985U (en) | 2009-07-28 | 2009-07-28 | Automobile-used special gas cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461985U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103403423A (en) * | 2011-02-23 | 2013-11-20 | 艾莫股份公司 | Relief device, in particular for gas systems |
| CN104487747A (en) * | 2012-07-27 | 2015-04-01 | 艾莫股份公司 | Safety device, in particular for self-propulsion gas systems |
| CN108612887A (en) * | 2018-06-19 | 2018-10-02 | 江苏安普阀门机械有限公司 | A kind of safety relief circle |
| CN108980369A (en) * | 2018-09-26 | 2018-12-11 | 宁波富华阀门有限公司 | Medical gas bottle valve |
| CN110785596A (en) * | 2017-06-23 | 2020-02-11 | 国际工程控制公司 | Low temperature tank control system, stop valve and solenoid valve |
-
2009
- 2009-07-28 CN CN2009200753956U patent/CN201461985U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103403423A (en) * | 2011-02-23 | 2013-11-20 | 艾莫股份公司 | Relief device, in particular for gas systems |
| CN103403423B (en) * | 2011-02-23 | 2015-11-25 | 艾莫股份公司 | Be used in particular for the bleeder of gas system |
| CN104487747A (en) * | 2012-07-27 | 2015-04-01 | 艾莫股份公司 | Safety device, in particular for self-propulsion gas systems |
| US9562618B2 (en) | 2012-07-27 | 2017-02-07 | Emer S.P.A. | Safety device for self-propulsion gas systems |
| CN110785596A (en) * | 2017-06-23 | 2020-02-11 | 国际工程控制公司 | Low temperature tank control system, stop valve and solenoid valve |
| US11592120B2 (en) | 2017-06-23 | 2023-02-28 | Engineered Controls International, Llc | Cryogenic cylinder control system, globe valve, and solenoid valve |
| CN108612887A (en) * | 2018-06-19 | 2018-10-02 | 江苏安普阀门机械有限公司 | A kind of safety relief circle |
| CN108980369A (en) * | 2018-09-26 | 2018-12-11 | 宁波富华阀门有限公司 | Medical gas bottle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120728 |