CN201593681U - Gas pressure reducer - Google Patents
Gas pressure reducer Download PDFInfo
- Publication number
- CN201593681U CN201593681U CN2009203521147U CN200920352114U CN201593681U CN 201593681 U CN201593681 U CN 201593681U CN 2009203521147 U CN2009203521147 U CN 2009203521147U CN 200920352114 U CN200920352114 U CN 200920352114U CN 201593681 U CN201593681 U CN 201593681U
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- high pressure
- air inlet
- gas
- pressure valve
- pressure
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Abstract
The utility model provides a gas pressure reducer, which comprises a body, as well as a gas inlet mechanism, a pressure reducing mechanism, pressure gauges and a gas outlet mechanism connected on the body. The gas pressure reducer provided by the utility model is connected with a gas source, so that a gas can enter a high-pressure piston through a high-pressure piston filter; and the gas pressure reducer also includes a plurality of anti-leakage devices, such as a high-pressure nozzle anti-leakage gasket arranged between a high-pressure nozzle and a high-pressure piston seat, so that the gas pressure reducer can prevent leakage when used for reducing the pressure of hyperpure or corrosive gases, thereby achieving safer and more reliable use.
Description
Technical field
The utility model relates to a kind of gas pressure reducer.
Background technique
Gas pressure reducer is a kind of gas in the gas cylinder to be reduced pressure and the device of Flow-rate adjustment.The kind of gas pressure reducer is a lot, be used in different places, during gas with various, requirement to decompressor is also different, when the gas of needs decompression is hyperpure gas or corrosive gas, just need gas pressure reducer can not produce any leakage, special leakage preventer must be arranged, to guarantee the purity of Security and post-decompression gas.
The model utility content
In order to solve above prior art problems, the purpose of this utility model is to provide a kind of all gases that is applicable to be particularly useful for the gas pressure reducer of hyperpure gas or corrosive gas, and special anti-leakage mechanism is arranged.
The technical solution of the utility model is: a kind of gas pressure reducer comprises body, is connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body.
Described admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; the air inlet extension bar is screwed onto on the body; the inlet end of air inlet extension bar is provided with air inlet screen, and the inlet end of air inlet extension bar is provided with air inlet nut and air inlet nut protection plug.Air inlet nut protection plug is to be used to prevent that the air inlet extension bar from connecting gas leakage.
Described air-out mechanism comprises giving vent to anger and switches through head, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; the first head of the switching of giving vent to anger is spirally connected on the body; the other end nut of giving vent to anger that is spirally connected is being given vent to anger nut and give vent to anger and set gradually air outlet protection pad, connecting base, attachment cap between the conversion adapter.Air outlet protection pad prevents gas leakage.
The described mechanism of decompressor comprises regulon successively, loam cake, the low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, the high pressure valve unit, the high-pressure elastomeric unit, the high pressure piston seat, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, the high-pressure elastomeric unit is set against on the high pressure valve unit, the part of high pressure valve unit and the high-pressure elastomeric unit that is set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, and loam cake is spirally connected and is connected on the body.
The described mechanism of decompressor also comprises the high pressure piston filter, and the high pressure piston filter is arranged on an end of high pressure piston seat.(high pressure piston filter filter precision is than higher, and material is that the metal powder sintered of SUS316 forms.
Described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is the T type, and the sheathed and end of low pressure spring is against on the low pressing spring correcting axle of T type.
Be provided with loam cake leakproof seal circle between described loam cake and the diaphragm block.
Described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from low beginning of pressing spring, and membranous disc props up an end of low pressing spring.Diaphragm block has increased leakproof film, has further increased the leak resistance of decompressor.
Be provided with the anti-drain gasket of high pressure nozzle between described high pressure nozzle and the high pressure piston seat.
Described high pressure valve unit comprises high pressure valve axle, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, and high pressure valve spindle guide sheet is arranged between nozzle and the high pressure valve shaft, the fixing position of high pressure valve shaft, and the high pressure valve pad is arranged between high pressure spring and the high pressure valve shaft.
The beneficial effects of the utility model are:
Gas pressure reducer of the present utility model is connected with source of the gas, gas enters high pressure piston by the high pressure piston filter, and a plurality of leakage protection devices are arranged, prevent drain gasket etc. as the high pressure nozzle between high pressure nozzle and the high pressure piston seat, when making gas pressure reducer decompression hyperpure gas or corrosive gas, do not worry the problem of leaking, use more safe and reliable.
Description of drawings
Fig. 1 is embodiment's a decomposition texture schematic representation;
Fig. 2 is embodiment's a cross section structure schematic representation;
Fig. 3 is embodiment's a schematic appearance.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of gas pressure reducer comprises body 1, is connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body.Be provided with air escape protection unit in admission gear, air-out mechanism, the mechanism of decompressor.
Admission gear comprises air inlet extension bar 5, air inlet screen 6, air inlet nut 2, air inlet nut protection plug 3; air inlet extension bar 5 is screwed onto on the body 1; the inlet end of air inlet extension bar 5 is provided with air inlet screen 6; air inlet screen 6 is arranged in the air inlet extension bar 5 by air inlet screen clasp 4; air inlet screen 6 is a stainless steel sintering filter screen, and the inlet end of air inlet extension bar 5 is provided with air inlet nut 2 and air inlet nut protection plug 3.Air inlet nut protection plug 3 is an air escape protection unit.
Air-out mechanism comprise give vent to anger switch through 32, connecting base 35, attachment cap 36, air outlet protection pad 34 and the nut 33 of giving vent to anger; 32 1 of the conversion adapters of giving vent to anger are spirally connected on the body 1; the other end nut 33 of giving vent to anger that is spirally connected is being given vent to anger nut 33 and give vent to anger and set gradually air outlet protection pad 34, connecting base 35, attachment cap 36 between the conversion adapter 32.Air outlet protection pad 34 is an air escape protection unit.
The mechanism of decompressor comprises regulon successively, loam cake 22, the low pressure Flexible element, plunger 17, diaphragm block, high pressure nozzle 15, the high pressure valve unit, the high-pressure elastomeric unit, the high-pressure elastomeric unit is a high pressure spring 11, high pressure piston seat 9, high pressure piston filter 10, regulon passes loam cake 22 and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger 17 passes diaphragm block, and be fastened on the diaphragm block by plunger hold-doun nut 21, high pressure valve unit one end passes high pressure nozzle 15 and is against on the plunger 17, plunger 17 is the T type, high pressure spring 11 is set against on the high pressure valve unit, the part of high pressure valve unit and the high pressure spring 11 that is set against are arranged on high pressure piston seat 9 central authorities, high pressure piston seat 9 one ends penetrate high pressure nozzle 15 and are against on the high pressure nozzle 15, loam cake 22 is spirally connected and is connected on the body 1, and loam cake is successively with the low pressure Flexible element simultaneously, plunger 17, diaphragm block, high pressure nozzle 15, the high pressure valve unit, the high-pressure elastomeric unit, high pressure piston seat 9 is fixed on the body 1.High pressure piston filter 10 is arranged on the end of high pressure piston seat 9 by body.
The low pressure Flexible element comprises low pressing spring 23 and low pressing spring correcting axle 24, and low pressing spring correcting axle 24 be the T type, and the sheathed and end of low pressing spring 23 is against in the T type and hangs down on the pressing spring correcting axle 24, and the other end is against on the diaphragm block.
Be provided with loam cake leakproof seal circle 25 between loam cake 22 and the diaphragm block, loam cake leakproof seal circle 25 is air escape protection units.
Diaphragm block comprises membranous disc 20, diaphragm 19 and leakproof film 18 successively from low 23 1 beginnings of pressing spring, and membranous disc 20 props up an end of low pressing spring 23.Diaphragm block has increased leakproof film 18, has further increased the leak resistance of decompressor.
Be provided with the anti-drain gasket 16 of high pressure nozzle between high pressure nozzle 15 and the high pressure piston seat 9.The anti-drain gasket 16 of high pressure nozzle also is an air escape protection unit.
The high pressure valve unit comprises high pressure valve axle 12, high pressure valve spindle guide sheet 13, high pressure valve axle pad sheet 14, high pressure valve spindle guide sheet 13 is arranged between nozzle 15 and the high pressure valve shaft 12, the fixing position of high pressure valve shaft 12, high pressure valve pad 14 is arranged between high pressure spring 11 and the high pressure valve shaft 12.
Pressure gauge is high-pressure manometer 7 and low pressure gauge 8.
Regulon comprises adjusting to be turned round handle 30, adjust screw 28, adjusts and turn round handle retaining screw 31 and adjust nut 29, adjustment is turned round handle retaining screw 31 and handle 30 is turned round in adjustment is fixed on and adjusts on the screw 28, adjust to be arranged with on the screw 28 and adjust nut 29, adjustment screw 28 passes loam cake 22 and is butted on low pressing spring correcting axle 24.
Also be provided with nut 26 and pad 27 on the loam cake 22, can make loam cake 22 well fixing.
Claims (10)
1. a gas pressure reducer comprises body, is connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body.
2. gas pressure reducer according to claim 1; it is characterized in that described admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; the air inlet extension bar is screwed onto on the body; the inlet end of air inlet extension bar is provided with air inlet screen, and the inlet end of air inlet extension bar is provided with air inlet nut and air inlet nut protection plug.
3. gas pressure reducer according to claim 1; it is characterized in that described air-out mechanism comprises giving vent to anger switches through head, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; the first head of the switching of giving vent to anger is spirally connected on the body; the other end nut of giving vent to anger that is spirally connected is being given vent to anger nut and give vent to anger and set gradually air outlet protection pad, connecting base, attachment cap between the conversion adapter.
4. gas pressure reducer according to claim 1, it is characterized in that the described mechanism of decompressor comprises regulon successively, loam cake, the low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, the high pressure valve unit, the high-pressure elastomeric unit, the high pressure piston seat, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, the high-pressure elastomeric unit is set against on the high pressure valve unit, the part of high pressure valve unit and the high-pressure elastomeric unit that is set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, and loam cake is spirally connected and is connected on the body.
5. gas pressure reducer according to claim 4 is characterized in that the described mechanism of decompressor also comprises the high pressure piston filter, and the high pressure piston filter is arranged on an end of high pressure piston seat.
6. gas pressure reducer according to claim 5 is characterized in that described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is the T type, and the sheathed and end of low pressure spring is against on the low pressing spring correcting axle of T type.
7. gas pressure reducer according to claim 4 is characterized in that being provided with between described loam cake and the diaphragm block loam cake leakproof seal circle.
8. gas pressure reducer according to claim 4 is characterized in that described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from low beginning of pressing spring, and membranous disc props up an end of low pressing spring.
9. gas pressure reducer according to claim 4 is characterized in that being provided with between described high pressure nozzle and the high pressure piston seat the anti-drain gasket of high pressure nozzle.
10. gas pressure reducer according to claim 4, it is characterized in that described high pressure valve unit comprises high pressure valve axle, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, high pressure valve spindle guide sheet is arranged between nozzle and the high pressure valve shaft, the fixing position of high pressure valve shaft, the high pressure valve pad is arranged between high-pressure elastomeric unit and the high pressure valve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203521147U CN201593681U (en) | 2009-12-30 | 2009-12-30 | Gas pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203521147U CN201593681U (en) | 2009-12-30 | 2009-12-30 | Gas pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593681U true CN201593681U (en) | 2010-09-29 |
Family
ID=42775748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203521147U Expired - Lifetime CN201593681U (en) | 2009-12-30 | 2009-12-30 | Gas pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116411B (en) * | 2009-12-30 | 2014-02-26 | 林建州 | Gas decompressor |
-
2009
- 2009-12-30 CN CN2009203521147U patent/CN201593681U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116411B (en) * | 2009-12-30 | 2014-02-26 | 林建州 | Gas decompressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD. Assignor: Lin Jianzhou Contract record no.: 2012320000312 Denomination of utility model: High-flow-rate special gas pressure reducing device Granted publication date: 20100929 License type: Exclusive License Record date: 20120327 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100929 |
|
| CX01 | Expiry of patent term |