CN207195770U - A kind of adjustable safety constant pressure valve - Google Patents
A kind of adjustable safety constant pressure valve Download PDFInfo
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- CN207195770U CN207195770U CN201721145511.8U CN201721145511U CN207195770U CN 207195770 U CN207195770 U CN 207195770U CN 201721145511 U CN201721145511 U CN 201721145511U CN 207195770 U CN207195770 U CN 207195770U
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Abstract
The utility model discloses a kind of adjustable safety constant pressure valve, including valve body, the body cavity is provided with plenum chamber, the valve body side is provided with air inlet pipe and opposite side is provided with escape pipe, and the plenum chamber bottom is provided with decompression chamber, first piston is provided with the top of the decompression chamber, the first piston bottom is provided with the first spring, the decompression chamber outer wall opens up pressure relief opening, and diaphragm seal valve is provided with the top of the plenum chamber, regulation room is provided with the top of the plenum chamber.The utility model passes through provided with regulation room, adjusting screw rod and second piston, by changing the pressure size at the top of regulation room cavity volume regulation diaphragm seal valve, control the change for room pressure of calming the anger, reach the effect of constant pressure, by provided with decompression chamber, the first spring, first piston and pressure relief opening, pressure release being carried out after pressure exceedes certain value and keeps internal pressure stable, improves security, by using the pressure gauge provided with noctilucent coating, use when being easy to work at night.
Description
Technical field
Pressure valve field is the utility model is related to, more particularly to a kind of adjustable safety constant pressure valve.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.The various valves used into extremely complex robot control system(RCS) from simplest stop valve, its kind
It is quite various with specification.Valve can be used for control empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and
The flowing of all kinds fluid such as radiating medium, the effect of constant pressure valve are gas receiver is maintained within regulation air pressure range,
When unloading air compressor machine more than prescribed limit, so as to reduce engine power loss.Compare with the effect of safety valve, sent out reducing
It is that safety valve is inaccessiable, but traditional constant pressure valve security is not high, adjusts when in use not in terms of motivation power loss
Easily, effect is poor, therefore, it is necessary to solve the above problems to invent a kind of adjustable safety constant pressure valve.
Utility model content
The purpose of this utility model is to provide a kind of adjustable safety constant pressure valve, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of adjustable safety constant pressure valve, including
Valve body, the body cavity are provided with plenum chamber, and the valve body side is provided with air inlet pipe and opposite side is provided with escape pipe, the pressure
Air chamber bottom is provided with decompression chamber, is provided with first piston at the top of the decompression chamber, the first piston bottom is provided with the first spring, institute
State decompression chamber outer wall and open up pressure relief opening, diaphragm seal valve is provided with the top of the plenum chamber, regulation room, institute are provided with the top of the plenum chamber
State regulation room top and be provided with bolt through adjusting screw rod, the adjusting screw rod is provided with, the adjusting screw rod bottom is provided with second
Piston, the second piston bottom are provided with second spring, and the second spring bottom is provided with second spring cushion block.
Preferably, the first piston is flexibly connected by the first spring with decompression chamber intracavity bottom.
Preferably, the regulation room, plenum chamber and decompression chamber integrated setting.
Preferably, the bolt-through regulation room top, the adjusting screw rod run through bolt extend to regulation room inner chamber.
Preferably, the second piston is provided with bearing, and the adjusting screw rod is flexibly connected by bearing with second piston.
Preferably, pressure gauge is provided with the top of the escape pipe, the pressure gauge is provided with noctilucent coating.
Preferably, the second spring bottom is fixedly connected with second spring cushion block, and the second spring cushion block passes through
Two springs are flexibly connected with second piston.
Preferably, the regulation room and second piston are disposed as square.
Technique effect of the present utility model and advantage：By provided with regulation room, adjusting screw rod and second piston, passing through change
Pressure size at the top of regulation room cavity volume regulation diaphragm seal valve, controls the change for room pressure of calming the anger, reaches the effect of constant pressure
Fruit, by provided with decompression chamber, the first spring, first piston and pressure relief opening, being carried out after pressure exceedes certain value in pressure release holding
Portion's pressure stability, improves security, by using the pressure gauge provided with noctilucent coating, use when being easy to work at night.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model regulation room stereogram.
In figure：1 valve body, 2 plenum chambers, 3 air inlet pipe, 4 escape pipes, 5 decompression chambers, 6 first pistons, 7 first springs, 8 pressure releases
Mouth, 9 diaphragm seal valves, 10 regulation rooms, 11 adjusting screw rods, 12 bolts, 13 second pistons, 14 second springs, 15 bearings, 16 pressure
Table, 17 second spring cushion blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of adjustable safety constant pressure valve as shown in Figure 1-2, including valve body 1, the valve
The inner chamber of body 1 is provided with plenum chamber 2, and the side of valve body 1 is provided with air inlet pipe 3 and opposite side is provided with escape pipe 4, the plenum chamber 2
Bottom is provided with decompression chamber 5, and the top of decompression chamber 5 is provided with first piston 6, and the bottom of first piston 6 is provided with the first spring 7,
The outer wall of decompression chamber 5 opens up pressure relief opening 8, and the top of plenum chamber 2 is provided with diaphragm seal valve 9, by provided with regulation room 10, regulation
Screw rod 11 and second piston 13, the pressure size at the top of diaphragm seal valve 9, control pressure are adjusted by changing the cavity volume of regulation room 10
The change of pressure in air chamber 2, reaches the effect of constant pressure, and the top of plenum chamber 2 is provided with regulation room 10, the top of regulation room 10
Through provided with adjusting screw rod 11, the adjusting screw rod 11 is provided with bolt 12, and the bottom of adjusting screw rod 11 is provided with second piston
13, the bottom of second piston 13 is provided with second spring 14, and the bottom of second spring 14 is provided with second spring cushion block 17.
The first piston 6 is flexibly connected by the first spring 7 with the intracavity bottom of decompression chamber 5, by provided with decompression chamber 5,
First spring 7, first piston 6 and pressure relief opening 8, pressure release is carried out after pressure exceedes certain value and keeps internal pressure stable, is improved
Security, the regulation room 10, plenum chamber 2 and the integrated setting of decompression chamber 5, the bolt 12 run through the top of regulation room 10,
The run through bolt 12 of adjusting screw rod 11 extends to the inner chamber of regulation room 10, and the second piston 13 is provided with bearing 15, the tune
Section screw rod 11 is flexibly connected by bearing 15 with second piston 13, and the top of escape pipe 4 is provided with pressure gauge 16, the pressure gauge
16 are provided with noctilucent coating, by using the pressure gauge 16 provided with noctilucent coating, use when being easy to work at night, and described
The bottom of two spring 14 is fixedly connected with second spring cushion block 17, and the second spring cushion block 17 is lived by second spring 14 and second
Plug 13 is flexibly connected, and the regulation room 10 and second piston 13 are disposed as square.
This practical operation principle：In use, its mobile drive second in bolt 12 is set to live by rotating adjusting screw rod 11
Plug 13 moves up and down in the inwall of regulation room 10 changes the size of the cavity volume of regulation room 10 to control the pressure at the top of diaphragm seal valve 9
Different operating environment requirements are adapted to, gas enters plenum chamber 2 by air inlet pipe 3, and when pressure is excessive, gas is upward close
Sealer valve 9, internal pressure control is made in certain scope by the telescopic adjustment of second spring 14, when pressure is excessive, the
One piston 6 extrudes the first spring 7 and moved down, and carries out exhaust pressure relief after first piston 6 is moved to the lower section of pressure relief opening 8, works as pressure
The resilience of first spring 7 when power reduces.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (8)
1. a kind of adjustable safety constant pressure valve, including valve body（1）, it is characterised in that：The valve body（1）Inner chamber is provided with plenum chamber
（2）, the valve body（1）Side is provided with air inlet pipe（3）And opposite side is provided with escape pipe（4）, the plenum chamber（2）Bottom is provided with
Decompression chamber（5）, the decompression chamber（5）Top is provided with first piston（6）, the first piston（6）Bottom is provided with the first spring
（7）, the decompression chamber（5）Outer wall opens up pressure relief opening（8）, the plenum chamber（2）Top is provided with diaphragm seal valve（9）, it is described to calm the anger
Room（2）Top is provided with regulation room（10）, the regulation room（10）Top, which is run through, is provided with adjusting screw rod（11）, the adjusting screw rod
（11）It is provided with bolt（12）, the adjusting screw rod（11）Bottom is provided with second piston（13）, the second piston（13）Bottom
Provided with second spring（14）, the second spring（14）Bottom is provided with second spring cushion block（17）.
A kind of 2. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The first piston（6）It is logical
Cross the first spring（7）With decompression chamber（5）Intracavity bottom is flexibly connected.
A kind of 3. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The regulation room（10）, pressure
Air chamber（2）And decompression chamber（5）Integrated setting.
A kind of 4. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The bolt（12）Through tune
Save room（10）Top, the adjusting screw rod（11）Run through bolt（12）Extend to regulation room（10）Inner chamber.
A kind of 5. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The second piston（13）On
Provided with bearing（15）, the adjusting screw rod（11）Pass through bearing（15）With second piston（13）It is flexibly connected.
A kind of 6. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The escape pipe（4）Top
Provided with pressure gauge（16）, the pressure gauge（16）It is provided with noctilucent coating.
A kind of 7. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The second spring（14）Bottom
End and second spring cushion block（17）It is fixedly connected, the second spring cushion block（17）Pass through second spring（14）With second piston
（13）It is flexibly connected.
A kind of 8. adjustable safety constant pressure valve according to claim 1, it is characterised in that：The regulation room（10）With
Two pistons（13）It is disposed as square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145511.8U CN207195770U (en) | 2017-09-08 | 2017-09-08 | A kind of adjustable safety constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145511.8U CN207195770U (en) | 2017-09-08 | 2017-09-08 | A kind of adjustable safety constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195770U true CN207195770U (en) | 2018-04-06 |
Family
ID=61791564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145511.8U Active CN207195770U (en) | 2017-09-08 | 2017-09-08 | A kind of adjustable safety constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195770U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775430A (en) * | 2018-08-22 | 2018-11-09 | 能拓能源股份有限公司 | A kind of novel bidirection press protection valve and method |
| CN110075410A (en) * | 2019-05-29 | 2019-08-02 | 张代磊 | A kind of novel stomach relief pipe of department of general surgery |
| CN110177602A (en) * | 2017-01-12 | 2019-08-27 | 德国美力有限两合公司 | Constant pressure valve and alarm valve station and self-extinguishing equipment with constant pressure valve |
-
2017
- 2017-09-08 CN CN201721145511.8U patent/CN207195770U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110177602A (en) * | 2017-01-12 | 2019-08-27 | 德国美力有限两合公司 | Constant pressure valve and alarm valve station and self-extinguishing equipment with constant pressure valve |
| CN108775430A (en) * | 2018-08-22 | 2018-11-09 | 能拓能源股份有限公司 | A kind of novel bidirection press protection valve and method |
| CN110075410A (en) * | 2019-05-29 | 2019-08-02 | 张代磊 | A kind of novel stomach relief pipe of department of general surgery |
| CN110075410B (en) * | 2019-05-29 | 2021-08-03 | 张代磊 | Gastrointestinal decompression tube for general surgery department |
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