CN203154528U - Cylinder head valve with adjustable flow used for breathing gas cylinder - Google Patents
Cylinder head valve with adjustable flow used for breathing gas cylinder Download PDFInfo
- Publication number
- CN203154528U CN203154528U CN 201320141918 CN201320141918U CN203154528U CN 203154528 U CN203154528 U CN 203154528U CN 201320141918 CN201320141918 CN 201320141918 CN 201320141918 U CN201320141918 U CN 201320141918U CN 203154528 U CN203154528 U CN 203154528U
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- China
- Prior art keywords
- valve
- valve body
- fine setting
- gas cylinder
- handwheel
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- 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 - Lifetime
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Abstract
The utility model discloses a cylinder head valve with an adjustable flow used for a breathing gas cylinder. The cylinder head valve comprises a valve body, wherein an adjusting end cover is mounted on the valve body, a pressure reduction valve element is mounted in the valve body, one end of the pressure reduction valve element is connected with the adjusting end cover, and a spring is mounted between the pressure reduction valve element and the valve body; a first hand wheel and a second hand wheel are respectively mounted on the valve body, the first hand wheel is connected with one end of a valve rod, and the other end of the valve rod is connected with a valve element assembly; the second hand wheel is connected with one end of a fine adjustment valve rod, and the other end of the fine adjustment valve rod is connected with a fine adjustment valve element; the valve element assembly is communicated with a gas inlet, the pressure reduction valve element and the fine adjustment valve element respectively through connecting pipelines, and the fine adjustment valve element is communicated with a gas outlet through a pipeline. The cylinder head valve with the adjustable flow used for the breathing gas cylinder is compact in structure, easy to operate, and capable of finely adjusting the flow of outputted gas at any time.
Description
Technical field
This utility model relates to a kind of bottle valve, relates in particular to a kind of bottle valve that gas cylinder is used the scalable flow of breathing.
Background technology
The scalable flow is breathed with bottle valve and is used for the keying of high pressure oxygen and compressed-air actuated gas cylinder and directly provides to breathe using low-pressure gas source, and can control the flow of output gas.Gas cylinder switch valve and air relief valve branch are arranged often with bottle valve in existing breathing, both increased the volume and weight of valve body, also make operation become comparatively complicated, need open two valves respectively, in case and user is when faulty operation occurring and opening earlier switch valve and then open air relief valve, it is excessive and the problem of damage respiratory tract and pulmonary is brought great personal safety hidden danger for user to occur gas flow and pressure easily; In addition, because gas cylinder switch valve and air relief valve branch are arranged, and do not regulate the fine tuning valve of output gas flow of gas size, therefore, user must very careful by-pass cock valve and air relief valve could obtain comparatively comfortable air-flow, bring great inconvenience for the operation of user.For overcoming the shortcoming that gas cylinder switch valve and air relief valve branch are arranged, also there are some to breathe with bottle valve with switch valve and air relief valve is integrated is arranged in the valve body at present, structure is compact not enough, sealing property remains problems such as improvement but also exist, and shortage is carried out the fine tuning valve of regulating and controlling to output gas flow of gas, therefore user can't require output gas flow of gas is finely tuned according to self breathing, thereby is difficult to obtain comparatively comfortable air-flow.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of gas cylinder of breathing with the bottle valve of scalable flow, its compact conformation, long service life, safety and comfort, simple to operation and at any time trace regulate the flow of output gas.
This utility model is the purpose that reaches above-mentioned, and this utility model adopts following technical scheme:
A kind of gas cylinder of breathing comprises valve body with the bottle valve of scalable flow, and described valve body offers air inlet, gas outlet respectively; The adjusting end cap is installed on the described valve body, in the described valve body relief pressure valve cartridge is installed, and described relief pressure valve cartridge one end with regulate end cap and link to each other, between described relief pressure valve cartridge and the valve body spring is installed; Be separately installed with first handwheel, second handwheel on the described valve body, wherein said first handwheel links to each other with valve rod one end, and the described valve rod other end links to each other with Spool assembly; Described second handwheel links to each other with fine setting valve rod one end, and the described fine setting valve rod other end links to each other with the fine setting spool; Described Spool assembly communicates with air inlet, relief pressure valve cartridge, fine setting spool by connecting pipe respectively, and wherein said fine setting spool communicates with the gas outlet by pipeline.
On the described valve body Pressure gauge is installed, the sealing plain cushion is installed between described valve body and the Pressure gauge.
Described valve rod is socketed with the valve rod guide pin bushing outward, and be separately installed with the valve rod pad between described valve rod guide pin bushing and the valve rod, back-up ring, first sealing ring.
Described valve rod and first handwheel are connected by bolt.
On described first handwheel first cosmetic sheet is installed.
Described fine setting valve rod is equipped with the fine setting valve gap outward, and between described fine setting valve gap and the valve body plain washer is installed; Described fine setting valve rod and have fine setting the 4th sealing ring to be installed between the valve gap.
On described second handwheel second cosmetic sheet is installed.
Described adjusting end cap and valve body are connected by screw; Between described relief pressure valve cartridge and the adjusting end cap second sealing ring is installed; The 5th sealing ring is installed between described relief pressure valve cartridge and the valve body.
The gas outlet joint is installed on the described gas outlet, and between described gas outlet joint and the valve body the 3rd sealing ring is installed.
The beneficial effects of the utility model are: a kind of gas cylinder of breathing that (1) this utility model provides uses the bottle valve of scalable flow with charge valve, air relief valve and valve body integrated design, and relief pressure valve cartridge is arranged on one end place, gas outlet, inflation inlet is located in the valve body, the whole valve body structure is compacter, both reduced the volume of valve body itself, also reduced the weight of valve body greatly, and then the benefit of bringing cost to reduce, in addition, external air relief valve in this utility model and the prior art, modes such as charge valve are compared, junction point reduces, and then the gas leakage point reduces, thereby makes the sealing property of improving the back bottle valve obtain bigger improvement;
(2) when the gas cylinder of emergent breathing equipment is in resting state, completely cut off the gases at high pressure in the gas cylinder by Spool assembly, thereby other parts are not influenced by gases at high pressure in the valve pocket, be conducive to the sealing property of poppet body and the service life of prolongation valve body;
(3) by being used of first handwheel and second handwheel, trace is regulated the flow of output gas at any time, convenient, safety.
Description of drawings
Fig. 1 is longitudinal cross-section of the present utility model cutaway view;
Fig. 2 is lateral cross section cutaway view of the present utility model.
The specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, present embodiment provides a kind of gas cylinder of breathing with the bottle valve of scalable flow, comprises valve body 1, and described valve body 1 offers air inlet 6, gas outlet 7 respectively; Be equipped with on the described valve body 1 and regulate end cap 31, in the described valve body 1 relief pressure valve cartridge 3 is installed, and described relief pressure valve cartridge 3 one ends with regulate end cap 31 and link to each other, between described relief pressure valve cartridge 3 and the valve body 1 spring 32 is installed; Be separately installed with first handwheel 2, second handwheel 4 on the described valve body 1, wherein said first handwheel 2 links to each other with valve rod 21 1 ends, and described valve rod 21 other ends link to each other with Spool assembly 23; Described second handwheel 4 links to each other with fine setting valve rod 41 1 ends, and described fine setting valve rod 41 other ends link to each other with fine setting spool 42; Described Spool assembly 23 communicates with air inlet 6, relief pressure valve cartridge 3, fine setting spool 42 by connecting pipe respectively, and wherein said fine setting spool 42 communicates with gas outlet 7 by pipeline.The arranging of spring 32 can be played the effect of buffering and steady pressure.
On the described valve body 1 Pressure gauge 5 is installed, sealing plain cushion 51 is installed between described valve body 1 and the Pressure gauge 5.The setting of Pressure gauge 6 can embody the interior pressure of bottle by Pressure gauge 6, in order to can keep in repair timely.61 of sealing plain cushions adopt the heat treated red copper of vacuum softening, have excellent sealing performance to guarantee whole valve body.
Described valve rod 21 is outer to be socketed with valve rod guide pin bushing 22, and be separately installed with valve rod pad 26 between described valve rod guide pin bushing 22 and the valve rod 21, back-up ring 27, first sealing ring 28.Described valve rod 21 and first handwheel 2 are connected by bolt 24.On described first handwheel 2 first cosmetic sheet 25 is installed.
Described fine setting valve rod 41 outer being equipped with are finely tuned valve gap 43, and between described fine setting valve gap 43 and the valve body 1 plain washer 45 are installed.Described fine setting valve rod 41 and have fine setting the 4th sealing ring 46 to be installed between the valve gap 43.On described second handwheel 4 second cosmetic sheet 44 is installed.
Described adjusting end cap 31 is connected by screw 33 with valve body 1; Between described relief pressure valve cartridge 3 and the adjusting end cap 31 second sealing ring 34 is installed, the 5th sealing ring 35 is installed between described relief pressure valve cartridge 3 and the valve body 1, have excellent sealing performance to guarantee whole valve body.
On the described gas outlet 7 gas outlet joint 71 is installed, and between described gas outlet joint 71 and the valve body 1 the 3rd sealing ring 72 is installed, have excellent sealing performance to guarantee whole valve body.
Present embodiment described a kind of breathe the bottle valve of gas cylinder with the scalable flow before, at first unload the gas outlet joint 71 on the gas outlet 7, change gas outlet joint 71 and after special-purpose inflation bridge is installed, 7 of gas outlets become inflation inlet, open first handwheel 1 then and carry gases at high pressure by gas outlet 7 in bottle.Such design inflation inlet and gas outlet 7 share the same cavity of valve body, can make valve body compacter, and reduce valve volume.After inflation is finished, unload the inflation bridge and install gas outlet joint 71 again.And the Pressure gauge 5 shown force value that are installed on the valve body 1 are the interior gas pressure of bottle this moment.When needs use, at first open first handwheel 2.Drive Spool assembly 23 by valve rod 21, the pipeline of air inlet 6 is communicated with the pipeline of relief pressure valve cartridge 3.Slowly so open second handwheel 4 again, carry out the control of output flow by 42 pairs of post-decompression gases of fine setting spool.And when stopping using, should close first handwheel 1 earlier, close second handwheel 4 again.
The gas cylinder operating pressure that described valve body 1 connects is no more than 20MPa, outlet pressure 0.3-0.5MPa after reducing pressure, rate of discharge range of accommodation 0-9L/min, can guarantee like this at user less than first handwheel 2 according to specification requirement, the order of second handwheel 4 is opened handwheel, but unlatching is earlier regulated second handwheel 4 of flow to maximum stream flow, when first handwheel 2 of unlatching control gases at high pressure is to maximum again, the gas pressure maximum of gas outlet output has only 0.5 MPa, the flow maximum has only 9L/min, can both satisfy the requirement of human body respiration, can not make gas pressure and flow excessive and bring personal safety hidden danger to user owing to the faulty operation of user.
The described a kind of gas cylinder of breathing of present embodiment uses the bottle valve of scalable flow with charge valve, air relief valve and valve body integrated design, and relief pressure valve cartridge is arranged on one end place, gas outlet, inflation inlet is located in the valve body, the whole valve body structure is compacter, both reduced the volume of valve body itself, also reduced the weight of valve body greatly, and then the benefit of bringing cost to reduce, in addition, external air relief valve in this utility model and the prior art, modes such as charge valve are compared, junction point reduces, and then the gas leakage point reduces, thereby makes the sealing property of improving the back bottle valve obtain bigger improvement; When the gas cylinder of emergent breathing equipment is in resting state, completely cut off the gases at high pressure in the gas cylinder by Spool assembly, thereby other parts are not influenced by gases at high pressure in the valve pocket, be conducive to the sealing property of poppet body and the service life of prolongation valve body; By being used of first handwheel and second handwheel, trace is regulated the flow of output gas at any time, convenient, safety.
Claims (9)
1. breathe the bottle valve that gas cylinder is used the scalable flow for one kind, it is characterized in that: comprise valve body (1), described valve body (1) offers air inlet (6), gas outlet (7) respectively; Be equipped with on the described valve body (1) and regulate end cap (31), relief pressure valve cartridge (3) is installed in the described valve body (1), and described relief pressure valve cartridge (3) one ends link to each other with adjusting end cap (31), between described relief pressure valve cartridge (3) and the valve body (1) spring (32) are installed; Be separately installed with first handwheel (2), second handwheel (4) on the described valve body (1), wherein said first handwheel (2) links to each other with valve rod (21) one ends, and described valve rod (21) other end links to each other with Spool assembly (23); Described second handwheel (4) links to each other with fine setting valve rod (41) one ends, and described fine setting valve rod (41) other end links to each other with fine setting spool (42); Described Spool assembly (23) communicates with air inlet (6), relief pressure valve cartridge (3), fine setting spool (42) by connecting pipe respectively, and wherein said fine setting spool (42) communicates with gas outlet (7) by pipeline.
2. a kind of gas cylinder of breathing according to claim 1 is characterized in that: Pressure gauge (5) is installed on the described valve body (1), sealing plain cushion (51) is installed between described valve body (1) and the Pressure gauge (5) with the bottle valve of scalable flow.
3. a kind of gas cylinder of breathing according to claim 1 is with the bottle valve of scalable flow, it is characterized in that: described valve rod (21) is outer to be socketed with valve rod guide pin bushing (22), and be separately installed with valve rod pad (26) between described valve rod guide pin bushing (22) and the valve rod (21), back-up ring (27), first sealing ring (28).
4. a kind of gas cylinder of breathing according to claim 1 is with the bottle valve of scalable flow, and it is characterized in that: described valve rod (21) is connected by bolt (24) with first handwheel (2).
5. a kind of gas cylinder of breathing according to claim 1 is characterized in that: first cosmetic sheet (25) is installed on described first handwheel (2) with the bottle valve of scalable flow.
6. a kind of gas cylinder of breathing according to claim 1 is with the bottle valve of scalable flow, it is characterized in that: described fine setting valve rod (41) is outer to be equipped with fine setting valve gap (43), and between described fine setting valve gap (43) and the valve body (1) plain washer (45) is installed; Described fine setting valve rod (41) and have the 4th sealing ring (46) is installed between the fine setting valve gap (43).
7. a kind of gas cylinder of breathing according to claim 1 is characterized in that: second cosmetic sheet (44) is installed on described second handwheel (4) with the bottle valve of scalable flow.
8. a kind of gas cylinder of breathing according to claim 1 is with the bottle valve of scalable flow, and it is characterized in that: described adjusting end cap (31) is connected by screw (33) with valve body (1); Between described relief pressure valve cartridge (3) and the adjusting end cap (31) second sealing ring (34) is installed; Between described relief pressure valve cartridge (3) and the valve body (1) the 5th sealing ring (35) is installed.
9. a kind of gas cylinder of breathing according to claim 1 is with the bottle valve of scalable flow, it is characterized in that: gas outlet joint (71) is installed on described gas outlet (7), and between described gas outlet joint (71) and the valve body (1) the 3rd sealing ring (72) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141918 CN203154528U (en) | 2013-03-26 | 2013-03-26 | Cylinder head valve with adjustable flow used for breathing gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141918 CN203154528U (en) | 2013-03-26 | 2013-03-26 | Cylinder head valve with adjustable flow used for breathing gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203154528U true CN203154528U (en) | 2013-08-28 |
Family
ID=49015758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320141918 Expired - Lifetime CN203154528U (en) | 2013-03-26 | 2013-03-26 | Cylinder head valve with adjustable flow used for breathing gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203154528U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955431A (en) * | 2017-05-29 | 2017-07-18 | 东台市江海救生消防设备有限公司 | Eebd |
| CN107013689A (en) * | 2017-03-16 | 2017-08-04 | 赵启 | Diamagnetic valve |
| CN107854784A (en) * | 2017-01-20 | 2018-03-30 | 湖北航天化学技术研究所 | A kind of oxygen breathing apparatus oxygen cylinder pile-up valve |
| CN111420312A (en) * | 2020-03-10 | 2020-07-17 | 中国人民解放军63919部队 | Lung type structure oxygen regulator for high-altitude parachuting |
| CN112843424A (en) * | 2020-12-31 | 2021-05-28 | 宁波新高流体控制技术有限公司 | Medical oxygen valve |
-
2013
- 2013-03-26 CN CN 201320141918 patent/CN203154528U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854784A (en) * | 2017-01-20 | 2018-03-30 | 湖北航天化学技术研究所 | A kind of oxygen breathing apparatus oxygen cylinder pile-up valve |
| CN107013689A (en) * | 2017-03-16 | 2017-08-04 | 赵启 | Diamagnetic valve |
| CN106955431A (en) * | 2017-05-29 | 2017-07-18 | 东台市江海救生消防设备有限公司 | Eebd |
| CN111420312A (en) * | 2020-03-10 | 2020-07-17 | 中国人民解放军63919部队 | Lung type structure oxygen regulator for high-altitude parachuting |
| CN112843424A (en) * | 2020-12-31 | 2021-05-28 | 宁波新高流体控制技术有限公司 | Medical oxygen valve |
| CN112843424B (en) * | 2020-12-31 | 2023-09-19 | 宁波新高流体控制技术有限公司 | Medical oxygen valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Lianquan Inventor after: Gu Shaokun Inventor after: Chen Guiqin Inventor after: Zhao Xia Inventor after: Li Ling Inventor after: Chen Xiangyong Inventor before: Wang Lixin Inventor before: Chen Huimin |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170511 Address after: 250000, No. 5111, lotus road, Lingang Economic Development Zone, Licheng District, Shandong, Ji'nan Patentee after: SHANDONG HUACHEN HIGH PRESSURE CONTAINER GROUP Co.,Ltd. Address before: 312399 Zhejiang city of Shaoxing province Shangyu City Bai Guan Jie Dao Qian Yi Cun Shaoxing Baina fluid control technology Co. Ltd. Patentee before: Shaoxing Baina Fluid Control Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |