CN208041219U - A kind of gas pressure regulating valve - Google Patents
A kind of gas pressure regulating valve Download PDFInfo
- Publication number
- CN208041219U CN208041219U CN201721894011.4U CN201721894011U CN208041219U CN 208041219 U CN208041219 U CN 208041219U CN 201721894011 U CN201721894011 U CN 201721894011U CN 208041219 U CN208041219 U CN 208041219U
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- China
- Prior art keywords
- valve
- pressure regulating
- valve port
- blocking
- spool
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Abstract
The utility model provides a kind of gas pressure regulating valve in gas pressure regulation technical field, including valve body and the spool being arranged in valve body, air inlet is provided on valve body, working hole and exhaust outlet, the lower part of valve body connects lower cover, the lower lower spring one end of tops connection, the lower part of spool is connected with locking bed, the spring other end is connect with locking bed, lower blocking is connected on spool, lower blocking contradicts at the top of locking bed, lower valve port seat is equipped in lower valve chamber, the opposite side of lower valve port seat and lower blocking is lower valve port, air inlet is connected to by lower valve port seat with lower valve port, lower valve port is connected to by lower cover with working hole；Be equipped with first guide sleeve in uuper valve chamber, be equipped with upper blocking in first guide sleeve, the opposite side of upper blocking and spool is upper valve port, and exhaust outlet be connected to by first guide sleeve with upper valve port, body top equipped with for adjustment effect in the pressure regulating device of upper blocking pressure size；The regulation precision of the utility model is high.
Description
Technical field
The utility model belongs to gas pressure regulation technical field, more particularly to a kind of gas pressure regulating valve.
Background technology
General gas flow pressure regulator valve uses diaphragm type structure or cut-off type structure, cut-off type structure pressure regulator valve counter film chip tune
Its structure size of pressure valve is small, and regulation precision is relatively high, to including low temperature, the various adverse circumstances adaptability ratios such as pollution and vibration
Preferably, extensive utilization in many occasions and in pile-up valve.Its principle is the elastic force by acting on spool upper surface adjustment spring
And the working hole gas pressure on lower face is balanced to drive valve core piston to be moved in valve chamber to open or close valve
Mouth carries out tonifying Qi or exhaust, the pressure to ensure working hole are relative constant.But because spool has certain rub when moving
Wipe resistance, movement when need to first overcome frictional force, the frictional force that need to initially overcome by machining accuracy, gas cleannes, temperature,
The influences such as vibrations, are affected so as to cause its regulation precision and repeatable accuracy by external condition and machining accuracy, pressure regulation
Precision it is not high and output gas pressure it is unstable.
Utility model content
For the defects in the prior art, the purpose of the utility model is to overcome above-mentioned deficiencies in the prior art
Place provides a kind of gas pressure regulating valve, solves the technical issues of regulation precision is affected by machining accuracy, and the present invention reduces spool
It is influenced by frictional force when mobile, to improve regulation precision.
What the purpose of this utility model was realized in:A kind of gas pressure regulating valve, including valve body and be arranged in valve body
Spool is provided at least one linear bearing in the valve body, and the spool can be slided up and down along linear bearing.
Setting in the utility model by linear bearing in valve body so that spool can be along gliding on linear bearing
It is dynamic, the influence that frictional resistance is brought is reduced, regulation precision is improved.
The valve body has uuper valve chamber and lower valve chamber as a further improvement of the utility model, and air inlet is provided on valve body
Mouth, working hole and exhaust outlet, the lower part of spool are connected with locking bed, and the center of spool is provided with through-hole, lower envelope is connected on spool
Plug, lower blocking are fixed on by locking bed on spool, and lower valve port seat, the lower valve port seat are equipped in the lower valve chamber being connected to air inlet
It is arranged in the top of lower blocking, lower valve port seat is lower valve port with lower blocking opposite side region, and the air inlet passes through lower valve
Mouth seat is connected to lower valve port, and the lower valve port is connected to by lower cover with working hole；It is equipped with first in the corresponding valve body of the uuper valve chamber
Guide sleeve is equipped in elder generation's guide sleeve and can slide up and down upper blocking, and the upper blocking is arranged in the surface of spool, upper blocking and
Spool opposite side region is upper valve port, and the exhaust outlet is connected to by first guide sleeve with upper valve port.
In order to further increase regulation precision, it is connected with linear bearing one in elder generation's guide sleeve, the upper blocking can be along
Linear bearing one slides up and down；In this design, upper blocking slides in linear bearing, further decreases the shadow that frictional resistance is brought
It rings, improves regulation precision.
In order to realize the connection of air inlet and working hole, the periphery of the lower valve port seat and lower cover is provided with venthole, described
Air inlet is connected to by the venthole being provided on lower valve port seat with lower valve port, and the lower valve port passes through the venthole being provided on lower lid
It is connected to working hole.
In order to realize that the connection of exhaust outlet and upper valve port, the periphery of elder generation's guide sleeve are provided with hole, the exhaust outlet is by first
The hole being provided on guide sleeve is connected to upper valve port.
In order to further increase the compactedness of the utility model structure, elder generation's guide sleeve is linear bearing, the linear axis
The periphery held is provided with hole.
In order to reduce the influence that frictional resistance is brought, it is additionally provided with linear bearing two in the valve body, the spool can be along
Linear bearing two slides up and down, and the linear bearing two is arranged in the valve body between lower blocking and first guide sleeve.
In order to realize that the pressure regulation of the utility model, the pressure regulating device include upper cover, pressure regulation spiral shell is connected on the upper lid
It follows closely, one end of pressure spring is connected on the pressure regulating screw, the other end of the pressure spring is connect with upper blocking.
In order to realize that the pressure regulation of the utility model, the pressure regulating device are proportion electro-magnet, proportion electro-magnet is fixed on valve
The push rod at the top of body, proportion electro-magnet contradicts at the top of upper blocking.
Description of the drawings
Fig. 1 is the structure chart one of the utility model.
Fig. 2 is the structure chart two of the utility model.
Fig. 3 is the structure chart three of the utility model.
Wherein：1 valve body, 2 lower valve chambers, 3 locking beds, 4 times springs, 5 lower covers, 6 times blockings, 7 lower valve port seats, 8 uuper valve chambers, 9
First guide sleeve, 10 linear bearings one, 11 pressure regulating devices, 1101 pressure regulating screws, 1102 location nuts, 1103 upper covers, 1104 pressure regulation bullets
Spring, 1101a proportion electro-magnets, 1102a push rods, blocking on 12, valve port on 13,14 linear bearings two, 15 through-holes, 16 spools, 17
Lower valve port, P air inlets, A working holes, O exhaust outlets.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
A kind of gas pressure regulating valve as shown in Figure 1 includes valve body 1 with uuper valve chamber 8 and lower valve chamber 2, is arranged in valve body 1
Interior spool 16 is provided with air inlet P, working hole A and exhaust outlet O on valve body 1, and the lower part of valve body 1, which is connected with, closes lower valve chamber 2
Lower cover 5, one end of the lower spring of the top connection of lower cover 54, the lower part of spool 16 is connected with locking bed 3, the other end of spring with
The bottom of locking bed 3 connects, and the center of spool 16 is provided with through-hole 15, lower blocking 6, the bottom of lower blocking 6 are connected on spool 16
It contradicts at the top of locking bed 3, equipped with lower valve port seat 7 in the lower valve chamber 2 that be connected to air inlet P, lower valve port seat 7 and lower cover 5
Periphery is provided with venthole, and lower valve port seat 7 is arranged in the top of lower blocking 6, lower valve port seat 7 and 6 opposite side region of lower blocking
For lower valve port 17, air inlet P is connected to by the venthole being provided on lower valve port seat 7 with lower valve port 17, and lower valve port 17 passes through lower cover 5
On the venthole that is provided be connected to working hole A；It is equipped with first guide sleeve 9 in 8 corresponding valve body 1 of uuper valve chamber, the periphery of first guide sleeve 9 is provided with
Hole is connected with linear bearing 1 in first guide sleeve 9, the upper blocking 12 that can slide up and down, upper blocking is equipped in linear bearing 1
12 are arranged in the surface of spool 16, and upper blocking 12 and 16 opposite side region of spool are upper valve port 13, and exhaust outlet O is by first
The hole being provided on guide sleeve 9 is connected to upper valve port 13, and the top of valve body 1, which is equipped with, can be used to adjustment effect in 12 pressure size of upper blocking
Pressure regulating device 11, pressure acts on the top of upper blocking 12 by pressure regulating device 11.
In order to realize that pressure regulation, the structure of pressure regulating device 11 be specifically, including upper cover 1103, tune is connected in upper cover 1103
Screw 1101, the lower part of pressure regulating screw 1101 is pressed to be fixed with location nut 1102, the bottom side of location nut 1102 connects pressure regulation bullet
One end of spring 1104, the other end of pressure spring 1104 are connect with upper blocking 12.
In order to reduce the influence that frictional resistance is brought, linear bearing 2 14 is additionally provided in valve body 1, spool 16 can be along straight line
Bearing 2 14 slides up and down, and linear bearing 2 14 is arranged in the valve body 1 between lower blocking 6 and first guide sleeve 9.
When utility model works, compressed gas enters from air inlet P, enters lower valve port 17, gas by lower valve port seat 7
Pressure acts on lower blocking 6, and the elastic force of lower spring 4, open-top lower blocking 6 is overcome to enter working hole A, spool 16 by bottom cover
Centre be provided with through-hole 15, the pressure of working hole A is acted on by the through-hole 15 among spool 16 on upper blocking 12, and pressure is set
It is fixed to be carried out by adjusting the compression pressure spring 1104 of pressure regulating screw 1101；When the pressure of working hole A acts on upper blocking 12
Pressure be more than setting value when, upper blocking 12 then moves up, and valve port 13 in opening, the pressure exceeded is from upper valve port 13 through guide
Set 9 enters in exhaust outlet O, meanwhile, spool 16 drives lower blocking 6 to be also moved up under the active force of lower spring 4, until lower envelope
Plug 6 withstands lower valve port 17, closes air inlet；At this point, lower valve port 17 closes air inlet, upper valve port 13 is vented the pressure drop for making working hole A
Low, when the pressure reduction of working hole A is to setting value, upper blocking 12 declines under the active force of pressure spring 1104, seals valve
The upper valve port 13 of core 16, if the pressure reduction of working hole A withstands renovation and drive lower blocking 6 to setting value, upper blocking 12 is less than
Continue downwards, until lower blocking 6 opens the progress tonifying Qi of lower valve port 17；When tonifying Qi makes working hole A pressure again above setting
When value, then working hole A pressure is acted on again by the through-hole 15 among spool 16 on upper blocking 12, and valve port 13 carries out in opening
Exhaust so recycles, to ensure that working hole A pressure maintains dynamic equilibrium；O points of air inlet P and exhaust outlet in the utility model
It leaves, adjusts the power being applied on blocking 12, upper blocking 12 is slided up and down along linear bearing 1, and spool 16 is along straight line
Bearing 2 14 slides up and down, and reduces the influence that frictional resistance is brought, and improves regulation precision, the gas that can be exported high-precision and stablize
Body pressure is small by ectocine；It can be applied in the work for adjusting gas pressure.
Embodiment 2
A kind of gas pressure regulating valve as shown in Figure 2, the present embodiment difference from example 1 is that, pressure regulating device 11
It is fixed on the top of valve body 1, the push rod 1102a of proportion electro-magnet 1101a for proportion electro-magnet 1101a, proportion electro-magnet 1101a
It contradicts at 12 top of upper blocking.
In the utility model, proportion electro-magnet 1101a can change push rod 1102a's by changing the size of input current
Thrust size, variation is linear, keeps output pressure linear with input current, to be further ensured that output
The precision of gas pressure.
Embodiment 3
A kind of gas pressure regulating valve as shown in Figure 3, the present embodiment and embodiment 1 and embodiment 2 the difference is that, first
Upper blocking 12 is equipped in guide sleeve 9, upper blocking 12 can be slided up and down along first guide sleeve 9.
Embodiment 4
The present embodiment and above example the difference is that, first guide sleeve 9 is changed to linear bearing, in the linear axis
It is punched on the outer ring held, allows gas to enough enter exhaust outlet O from upper valve port 13, same effect can be reached, and make structure more
Step up to gather.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (10)
1. a kind of gas pressure regulating valve, which is characterized in that including valve body and the spool being arranged in valve body, be provided in the valve body
At least one linear bearing, the spool can be slided up and down along linear bearing.
2. a kind of gas pressure regulating valve according to claim 1, which is characterized in that the valve body has uuper valve chamber and lower valve
Chamber is provided with air inlet, working hole and exhaust outlet on valve body, and the lower part of spool is connected with locking bed, and the center of spool is provided with through-hole,
Lower blocking is connected on spool, lower blocking is fixed on by locking bed on spool, and lower valve is equipped in the lower valve chamber being connected to air inlet
Mouth seat, the lower valve port seat are arranged in the top of lower blocking, and lower valve port seat is lower valve port, institute with lower blocking opposite side region
It states air inlet to be connected to lower valve port by lower valve port seat, the lower valve port is connected to by lower cover with working hole；The uuper valve chamber pair
It is equipped with first guide sleeve in the valve body answered, the upper blocking that can slide up and down is equipped in elder generation's guide sleeve, the upper blocking is arranged in spool
Surface, upper blocking and spool opposite side region are upper valve port, and the exhaust outlet is connected to by first guide sleeve with upper valve port.
3. a kind of gas pressure regulating valve according to claim 2, which is characterized in that be connected with linear bearing in elder generation's guide sleeve
One, the upper blocking can be slided up and down along linear bearing one.
4. a kind of gas pressure regulating valve according to claim 2 or 3, which is characterized in that the lower part of the valve body be connected with by
The closed lower cover of lower valve chamber, one end of the lower spring of top connection of the lower cover, the other end of the spring and the bottom of locking bed
Portion connects；The top of the valve body is equipped with and can be used to adjustment effect in the pressure regulating device of upper blocking pressure size, the pressure regulator
Pressure is acted on the top of upper blocking by structure.
5. a kind of gas pressure regulating valve according to claim 4, which is characterized in that the periphery of the lower valve port seat and lower cover is opened
There are venthole, the air inlet to be connected to lower valve port by the venthole being provided on lower valve port seat, the lower valve port passes through lower cover
On the venthole that is provided be connected to working hole.
6. gas pressure regulating valve according to claim 2 or 3, which is characterized in that the periphery of elder generation's guide sleeve is provided with hole, described
Exhaust outlet puts on the hole being provided with by guide and is connected to upper valve port.
7. gas pressure regulating valve according to claim 2, which is characterized in that elder generation's guide sleeve is linear bearing, the straight line
The periphery of bearing is provided with hole.
8. according to the gas pressure regulating valve described in claim 2,3 or 7, which is characterized in that be additionally provided with linear bearing in the valve body
Two, the spool can be slided up and down along linear bearing two, and the linear bearing two is arranged between lower blocking and first guide sleeve
In valve body.
9. gas pressure regulating valve according to claim 4, which is characterized in that the pressure regulating device includes upper cover, the upper cover
On be connected with pressure regulating screw, one end of pressure spring, the other end of the pressure spring and upper envelope are connected on the pressure regulating screw
Plug connection.
10. gas pressure regulating valve according to claim 4, which is characterized in that the pressure regulating device is proportion electro-magnet, ratio
Electromagnet is fixed on the top of valve body, and the push rod of proportion electro-magnet contradicts at the top of upper blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894011.4U CN208041219U (en) | 2017-12-29 | 2017-12-29 | A kind of gas pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894011.4U CN208041219U (en) | 2017-12-29 | 2017-12-29 | A kind of gas pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041219U true CN208041219U (en) | 2018-11-02 |
Family
ID=63956162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721894011.4U Expired - Fee Related CN208041219U (en) | 2017-12-29 | 2017-12-29 | A kind of gas pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377297A (en) * | 2020-11-16 | 2021-02-19 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
| CN112460300A (en) * | 2020-11-24 | 2021-03-09 | 南京工程学院 | Gas proportional pressure reducing valve |
| CN113464408A (en) * | 2021-07-16 | 2021-10-01 | 浙江启尔机电技术有限公司 | Bellows pump case and adopt its bellows pump |
-
2017
- 2017-12-29 CN CN201721894011.4U patent/CN208041219U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377297A (en) * | 2020-11-16 | 2021-02-19 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
| CN112377297B (en) * | 2020-11-16 | 2022-05-27 | 四川莱克斯流体控制设备有限公司 | Multifunctional universal adjustable exhaust valve |
| CN112460300A (en) * | 2020-11-24 | 2021-03-09 | 南京工程学院 | Gas proportional pressure reducing valve |
| CN113464408A (en) * | 2021-07-16 | 2021-10-01 | 浙江启尔机电技术有限公司 | Bellows pump case and adopt its bellows pump |
| CN113464408B (en) * | 2021-07-16 | 2023-03-10 | 浙江启尔机电技术有限公司 | Bellows pump case and adopt its bellows pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20201229 |