CN206929398U - Secondary decompression valve - Google Patents
Secondary decompression valve Download PDFInfo
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- CN206929398U CN206929398U CN201720922336.2U CN201720922336U CN206929398U CN 206929398 U CN206929398 U CN 206929398U CN 201720922336 U CN201720922336 U CN 201720922336U CN 206929398 U CN206929398 U CN 206929398U
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- valve
- valve assembly
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- spring
- passage
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Abstract
The utility model discloses secondary decompression valve.Secondary decompression valve, including valve body, valve body is provided with air inlet and gas outlet, it is provided with valve body and once depressurizes valve assembly and secondary pressure valve assembly, once decompression valve assembly includes a spring, piston and a passage, and piston and a spring, which coordinate, to be installed, a passage connection air inlet and secondary pressure valve assembly, secondary pressure valve assembly includes secondary spring and secondary passage, and secondary passage connects gas outlet.The utility model secondary decompression valve, by secondary pressure, stable decompression outlet is realized, compact structure, saves cost.
Description
Technical field
It the utility model is related to pressure-reducing valve field, more particularly to secondary decompression valve.
Background technology
Characteristic based on welding and its movement requirement using gas, it usually needs gas is subjected to reduced pressure treatment.It is existing
Conventional pressure-reducing valve has single decompression and secondary pressure, and single pressure reduction structure is simple, but exists and depressurize the problem of unstable, secondary
Pressure-reducing valve decompression is stable, but the problem of volume is big, and cost is high be present.
Utility model content
The purpose of this utility model is to provide a kind of cramped construction of combination single pressure-reducing valve and the stabilization of secondary decompression valve
Decompression so that product cost is greatly improved.To achieve the above object, the utility model adopts the following technical scheme that,
Secondary decompression valve, including valve body, valve body are provided with air inlet and gas outlet, are provided with valve body and once depressurize valve assembly and secondary pressure
Valve assembly, once depressurizing valve assembly includes a spring, piston and a passage, and piston and a spring, which coordinate, to be installed, and one
Secondary passage connection air inlet and secondary pressure valve assembly, secondary pressure valve assembly include secondary spring and secondary passage, and two
Secondary passage connects gas outlet.The utility model secondary decompression valve, by secondary pressure, realize that stabilization depressurizes outlet, structure is small
Ingeniously, cost is saved.
In some embodiments, valve body is provided with adjusting means, and adjusting means includes regulation spring, regulation spring with it is secondary
Valve assembly is depressurized to coordinate.Setup pressure value is adjusted by adjusting means, is allowed to the gas that discharge meets demand pressure.
In some embodiments, adjusting means also includes adjusting nut and tabletting, and tabletting is connected with regulation spring one end,
Adjusting nut is engaged with tabletting.Worked good using adjusting nut and tabletting and adjust spring progress pressure regulation.
In some embodiments, adjust between spring and secondary pressure valve assembly and be provided with sealed film.Fluid sealant is set
Piece, it ensure that the sealing of secondary decompression valve internal cavity.
In some embodiments, air inlet is provided with inlet suction port and clamp nut, and inlet suction port coordinates with clamp nut.
By setting air inlet connecting head cartridge clamp nut, convenient installation and holding air-tightness.
In some embodiments, in addition to low pressure flow assembly, low pressure flow assembly are connected with gas outlet.Low pressure flow
Assembly detects gas outlet air pressure.
In some embodiments, in addition to pressure gauge, pressure gauge are connected with air inlet.Pressure gauge detects pressure value, directly
See performance.
In some embodiments, in addition to the valve assembly that loses heart, the valve assembly that loses heart are connected with once decompression valve assembly.Set
Gas bleeder valve, it is convenient and safe to lose heart.
The beneficial effects of the utility model are：The utility model is to use comprehensive varying-voltage principle, wherein once decompression is using work
Varying-voltage principle is filled in, secondary pressure uses spring varying-voltage principle, and the structure can make in gas cylinder gas from full bottle to the slow of empty bottle
In pressure reduction, the outlet of normal table is kept, better meets the use demand of client.Meanwhile the utility model also solves
There is top gun air-blowing in welding gun, more preferable to use and normative, solve welding process welding bead air bubble problem.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the utility model secondary decompression valve；
Fig. 2 is the perspective cross section structural representation of the utility model secondary decompression valve；
Fig. 3 is the finished product integral installation distribution structure schematic diagram of the utility model secondary decompression valve；
Fig. 4 is the overall structure diagram of the utility model embodiment 2.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, 2, secondary decompression valve, including valve body 1, valve body 1 are provided with air inlet 2 and gas outlet 3, set in valve body 1
Valve assembly 4 and secondary pressure valve assembly 5 are once depressurized, once depressurizing valve assembly 4 includes a spring 41, piston 42 and once
Passage 43, the piston 42 and a spring 41, which coordinate, to be installed, and a passage 43 connects air inlet 2 and secondary decompression valve is total
Into 5, secondary pressure valve assembly 5 includes secondary spring 51 and secondary passage 52, and secondary passage 52 connects gas outlet 3.
Valve body 1 is provided with adjusting means 6, and adjusting means 6 includes regulation spring 61, regulation spring 61 and secondary pressure valve assembly
5 coordinate.Adjusting means 6 also includes adjusting nut 62 and tabletting 63, and tabletting 63 is connected with regulation spring 61 one end, adjusting nut 62
It is engaged with tabletting 63.Setup pressure value is adjusted by adjusting means 6, is allowed to the gas that discharge meets demand pressure.
Sealed film 64 is provided between regulation spring 61 and secondary pressure valve assembly 5.
Air inlet 2 is provided with inlet suction port 21 and clamp nut 22, and inlet suction port 21 coordinates with clamp nut 22.
Workflow：
Air inlet 2 is connected gas cylinder with clamp nut 22 by inlet suction port 21, and the gases at high pressure in gas cylinder enter
Enter once decompression valve assembly 4, once depressurize valve assembly 4 and pressure relief value is set by a spring 41, piston 42, gases at high pressure are carried out
Once depressurize and secondary pressure valve assembly 5 is entered by a passage 43, secondary pressure valve assembly 5 is entered by secondary spring 51
Row secondary pressure, twisting adjusting nut 62 regulation setting discharge gas pressure, and by secondary passage 52 decompression after
Gas enter gas outlet 3, the low-pressure gas that gas outlet 3 is discharged can be used as working gas use.
As shown in Figure 2,3, in addition to low pressure flow assembly 7, low pressure flow assembly 7 are connected with gas outlet 3.Low pressure flow is total
Into the 7 detection air pressure of gas outlet 3.
Also include pressure gauge 8, pressure gauge 8 is connected with air inlet 2.
Also include the valve assembly 9 that loses heart, the valve assembly 9 that loses heart is connected with once decompression valve assembly 4.Lose heart valve assembly 9 with once
Decompression valve assembly 4 connects.The valve assembly 9 that loses heart is set, it is convenient and safe to lose heart.
The utility model is to use comprehensive varying-voltage principle, wherein once decompression uses piston varying-voltage principle, secondary pressure uses
Spring varying-voltage principle, the structure can make in gas cylinder in slow pressure reduction of the gas from full bottle to empty bottle, keep normal table
Outlet, better meet the use demand of client.Meanwhile the utility model also solves the problems, such as that welding gun has top gun air-blowing,
More preferable use and normative, solution welding process welding bead air bubble problem
Embodiment 2
Secondary decompression valve, on the basis of embodiment 1, low pressure flow assembly 7 uses low-pressure meter, is detected by low-pressure meter aobvious
The air pressure of gas port 3 is shown, intuitively simplified.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (8)
1. secondary decompression valve, it is characterised in that including valve body (1), the valve body (1) is provided with air inlet (2) and gas outlet (3),
It is provided with the valve body (1) and once depressurizes valve assembly (4) and secondary pressure valve assembly (5), it is described once to depressurize valve assembly (4) bag
A spring (41), piston (42) and a passage (43) are included, the piston (42) coordinates with a spring (41) installs, institute
Passage (43) connection air inlet (2) and secondary pressure valve assembly (5) are stated, the secondary pressure valve assembly (5) includes two
Secondary spring (51) and secondary passage (52), secondary passage (52) connection gas outlet (3).
2. secondary decompression valve according to claim 1, it is characterised in that the valve body (1) is provided with adjusting means (6), institute
Stating adjusting means (6) includes regulation spring (61), and the regulation spring (61) coordinates with secondary pressure valve assembly (5).
3. secondary decompression valve according to claim 2, it is characterised in that the adjusting means (6) also includes adjusting nut
(62) it is connected with tabletting (63), the tabletting (63) with regulation spring (61) one end, the adjusting nut (62) and tabletting (63)
It is engaged.
4. secondary decompression valve according to claim 3, it is characterised in that the regulation spring (61) and secondary decompression valve are total
Into being provided with sealed film (64) between (5).
5. secondary decompression valve according to claim 1, it is characterised in that the air inlet (2) is provided with inlet suction port (21)
With clamp nut (22), the inlet suction port (21) coordinates with clamp nut (22).
6. secondary decompression valve according to claim 1, it is characterised in that also including low pressure flow assembly (7), the low pressure
Flow assembly (7) is connected with gas outlet (3).
7. secondary decompression valve according to claim 1, it is characterised in that also including pressure gauge (8), the pressure gauge (8)
It is connected with air inlet (2).
8. secondary decompression valve according to claim 1, it is characterised in that also include the valve assembly (9) that loses heart, the gas bleeder valve
Assembly (9) is connected with once depressurizing valve assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922336.2U CN206929398U (en) | 2017-07-27 | 2017-07-27 | Secondary decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922336.2U CN206929398U (en) | 2017-07-27 | 2017-07-27 | Secondary decompression valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206929398U true CN206929398U (en) | 2018-01-26 |
Family
ID=61355475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720922336.2U Active CN206929398U (en) | 2017-07-27 | 2017-07-27 | Secondary decompression valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206929398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246491A (en) * | 2017-07-27 | 2017-10-13 | 王海斌 | Secondary decompression valve |
-
2017
- 2017-07-27 CN CN201720922336.2U patent/CN206929398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246491A (en) * | 2017-07-27 | 2017-10-13 | 王海斌 | Secondary decompression valve |
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