CN207064793U - A kind of electric Proportion valve - Google Patents
A kind of electric Proportion valve Download PDFInfo
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- CN207064793U CN207064793U CN201720818341.9U CN201720818341U CN207064793U CN 207064793 U CN207064793 U CN 207064793U CN 201720818341 U CN201720818341 U CN 201720818341U CN 207064793 U CN207064793 U CN 207064793U
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Abstract
The utility model discloses a kind of electric Proportion valve, air admission hole, venthole and air vent are provided with its main valve body, the bottom of main valve body is equipped with lower valve body, and the lower valve body is provided centrally with air intake valve；The top of main valve body is equipped with guide valve blocks, diaphragm is equipped with guide valve blocks, the center of the diaphragm is fixed with push rod, and the lower end of the push rod and air intake valve offset cooperation, the lower central of guide valve blocks is equipped with deflation valve, and the middle part of push rod, which is located at below gas vent, is provided with a jump ring；The top of guide valve blocks is equipped with shell, air inlet electromagnetic valve and pressure-releasing electromagnetic valve are provided with shell, air inlet electromagnetic valve and pressure-releasing electromagnetic valve are connected with the first guide cavity above guide valve blocks interior diaphragm, the pressure sensor for monitoring output pressure is additionally provided with shell, the pressure sensor is connected with the pcb board signal in shell.The utility model has the advantage of：It is rational in infrastructure, it is quick on the draw, degree of regulation is good.
Description
Technical field
Magnetic valve manufacturing technology field is the utility model is related to, especially a kind of electric Proportion valve, refers specifically to one kind
Applying is needing the electric Proportion valve of Intelligent adjustment atmospheric pressure operating mode link.
Background technology
In general magnetic valve is made up of magnet exciting coil, secured core, compression spring, movable core, valve body etc..Its work is former
Manage and be, when magnet exciting coil no power, the seal head of secured core is in compression spring and the back pressure effect of valve air inlet medium
Under, close valve.It is powered when to magnet exciting coil, electromagnetic force overcomes the anti-work of compression spring and the back pressure of valve air inlet medium
Firmly, movable core is made to be moved toward at secured core, until two plane adhesives, now valve is in open mode.
The one kind of proportion magnetic valve as magnetic valve, its operation principle are on the basis of general magnetic valve, are believed by PWM
Number realize the control of magnetic valve flow；Electric Proportion valve is fed back by signal, then by magnetic valve be turned on or off come
Output pressure is adjusted, it is applicable to Intelligent adjustment atmospheric pressure operating mode link, such as the nitrogen pressure during laser engraving
Power is adjusted.The shortcomings of degree of regulation is poor, and large span is slow in reacting when adjusting, therefore its structure often be present in existing electric Proportion valve
It is further improved.
The content of the invention
Technical problem to be solved in the utility model is the present situation for prior art, there is provided rational in infrastructure, reaction spirit
It is quick, a kind of good electric Proportion valve of degree of regulation.
Technical scheme is used by the utility model solves above-mentioned technical problem：
A kind of electric Proportion valve, include main valve body, air admission hole, venthole and air vent are provided with main valve body, it is main
The bottom of valve body is equipped with lower valve body, and the lower valve body is provided centrally with air intake valve, the upper surface of air intake valve and the master
Air inlet in valve body is engaged, and is provided between air intake valve and the lower valve body into gas spring；The top assembling of main valve body
There are guide valve blocks, diaphragm is equipped with guide valve blocks, the center of the diaphragm is fixed with push rod, the lower end of the push rod and the air inlet
Valve offsets cooperation, and the lower central of guide valve blocks is equipped with deflation valve, the lower surface of the deflation valve and the main valve body
Interior gas vent is engaged, and the upper periphery of push rod is provided with a guide sleeve, and deflation is provided between guide sleeve and deflation valve
Spring, the middle part of push rod, which is located at below gas vent, is provided with a jump ring；The top of guide valve blocks is equipped with shell, is set in shell
It is equipped with air inlet electromagnetic valve and pressure-releasing electromagnetic valve, air inlet electromagnetic valve and pressure-releasing electromagnetic valve and the elder generation above the guide valve blocks interior diaphragm
Guide cavity is connected, and the pressure sensor for monitoring output pressure is additionally provided with shell, in the pressure sensor and shell
Pcb board signal connects.
The technical measures of optimization also include：
Stator is provided with above above-mentioned diaphragm, lower stator, lower stator and institute are provided with below diaphragm
State and be provided with diaphragm spring between guide valve blocks.
Filter is provided between above-mentioned guide valve blocks and the main valve body.
Pilot seal circle is provided between above-mentioned guide sleeve and the outer wall of the push rod.
Alignment pin is provided between above-mentioned guide valve blocks and main valve body.
The upper surface of above-mentioned shell is provided with control button and cable connection port.
A kind of electric Proportion valve of the utility model, rational in infrastructure, it is carried out by pressure sensor to the air pressure of output end
Monitor and feed back to pcb board, when output end pressure is less than setting pressure, air inlet electromagnetic valve is opened and first guide cavity is pressurizeed,
So that push rod, which moves downward, pushes air intake valve open, and then increase output end pressure；When output end pressure is more than setting pressure,
Pressure-releasing electromagnetic valve is opened, so that deflation valve is pushed in motion open to push rod upwards, and then reduces output end pressure.By to output end
Real-time monitoring, the judgement of air pressure, so as to realize flexible, the accurate control to output pressure.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the sectional structure chart of A-A in Fig. 2；
Fig. 4 is the sectional structure chart of B-B in Fig. 2；
Fig. 5 is I portions enlarged drawing in Fig. 4.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
It is structural representation of the present utility model as shown in Figures 1 to 5,
Reference therein is：Main valve body 1, air inlet 1a, gas vent 1b, air admission hole 11, venthole 12, air vent
13rd, lower valve body 2, air intake valve 3, enter gas spring 31, guide valve blocks 4, first guide cavity 4a, filter 41, alignment pin 42, diaphragm 5, on
Stator 51, lower stator 52, diaphragm spring 53, push rod 6, guide sleeve 61, pilot seal circle 61a, jump ring 62, deflation valve 7,
Deflation spring 71, shell 8, air inlet electromagnetic valve 81, pressure-releasing electromagnetic valve 82, control button 83, cable connection port 84, pressure sensor
9。
As shown in Figures 1 to 5,
A kind of electric Proportion valve, include main valve body 1, air admission hole 11, venthole 12 are provided with main valve body 1 and is deflated
Hole 13, the bottom of main valve body 1 are equipped with lower valve body 2, and the lower valve body 2 is provided centrally with air intake valve 3, air intake valve 3 it is upper
Surface is engaged with the air inlet 1a in the main valve body 1, is provided between air intake valve 3 and the lower valve body 2 into gas spring
31；The top of main valve body 1 is equipped with guide valve blocks 4, and diaphragm 5 is equipped with guide valve blocks 4, and the center of the diaphragm 5, which is fixed with, to push away
Bar 6, the lower end of the push rod 6 and the air intake valve 3 offset cooperation, and the lower central of guide valve blocks 4 is equipped with deflation valve 7,
The lower surface of the deflation valve 7 is engaged with the gas vent 1b in the main valve body 1, and the upper periphery of push rod 6 is provided with one and led
To set 61, deflation spring 71 is provided between guide sleeve 61 and deflation valve 7, the middle part of push rod 6 is located at gas vent 1b lower section
It is provided with a jump ring 62；The top of guide valve blocks 4 is equipped with shell 8, and air inlet electromagnetic valve 81 and deflation electromagnetism are provided with shell 8
Valve 82, air inlet electromagnetic valve 81 and pressure-releasing electromagnetic valve 82 are connected with the first guide cavity 4a of the top of 4 interior diaphragm of guide valve blocks 5, outside
The pressure sensor 9 for monitoring output pressure is additionally provided with shell 8, the pressure sensor 9 and the pcb board signal in shell 8
Connection.
In embodiment, the top of diaphragm 5 is provided with stator 51, and the lower section of diaphragm 5 is provided with lower stator 52, lower solid
Diaphragm spring 53 is provided between stator 52 and the guide valve blocks 4.
Diaphragm 5 is fixed by upper stator 51 and lower stator 52, the reliability that diaphragm 5 assembles can be ensured,
Also the service life of diaphragm 5 can be extended；And the setting of diaphragm spring 53 contributes to the reset of diaphragm 5, diaphragm 5 is avoided for a long time
Deformation and shorten its service life.
In embodiment, filter 41 is provided between guide valve blocks 4 and the main valve body 1.Set filter 41 being capable of mistake
Some impurity in gas are filtered, to improve the stability and service life of the operation of this electric Proportion valve.
In embodiment, pilot seal circle 61a is provided between the outer wall of guide sleeve 61 and the push rod 6.
In embodiment, alignment pin 42 is provided between guide valve blocks 4 and main valve body 1.Alignment pin 42 is set to help elder generation
Assembling between pilot valve body 4 and main valve body 1, the efficiency of assembling can be effectively improved.
For this electric Proportion valve using vertically arranged, the upper surface of shell 8 is provided with control button 83 and cable connection port 84,
It is arranged such the connection for facilitating cable and the manipulation to valve.
Operation principle：
This electric Proportion valve is monitored in real time by pressure sensor 9 to the output pressure of venthole 12, and will be monitored
Pressure signal feeds back to pcb board, and pressure signal is judged by the MCU on pcb board.
When output end pressure is less than setting pressure, pcb board sends control signal and starts air inlet electromagnetic valve 81, and gas enters
First guide cavity 4a increases the pressure in first guide cavity 4a, and first guide cavity 4a pressure increase makes diaphragm 5 downwardly projecting, so that push rod 6
Move downward, and promote air intake valve 3 to move down, the upper surface and air inlet 1a for making air intake valve 3 are separated, so that air inlet
1a is opened, and gas enters from air admission hole 11, so that the output pressure increase of venthole 12.
When output end pressure is more than setting pressure, pcb board sends control signal and starts pressure-releasing electromagnetic valve 82, first guide cavity 4a
Interior gas excludes to reduce the pressure in first guide cavity 4a, and first guide cavity 4a pressure, which reduces, makes diaphragm 5 protruding upward, so that pushing away
Bar 6 moves upwards；With the upward motion of push rod 6, the jump ring 62 at the middle part of push rod 6 is in contact with the lower surface of deflation valve 7, and
Deflation valve 7 is driven to move upwards, the lower surface and gas vent 1b for making deflation valve 7 are separated, so that gas vent 1b is opened,
Gas excludes through gas vent 1b from air vent 13, so that the output pressure of venthole 12 reduces.
In electric Proportion valve running, the monitoring of real-time continuous is carried out to output pressure, is judged, so as to realize to output
The dynamic control of pressure；And control is flexibly, accurately.
Most preferred embodiment of the present utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (6)
1. a kind of electric Proportion valve, include main valve body (1), it is characterized in that：Air admission hole is provided with described main valve body (1)
(11), venthole (12) and air vent (13), the bottom of described main valve body (1) are equipped with lower valve body (2), the lower valve body
(2) be provided centrally with air intake valve (3), upper surface and the air inlet in the main valve body (1) of described air intake valve (3)
(1a) is engaged, and is provided between described air intake valve (3) and the lower valve body (2) into gas spring (31)；Described main valve
The top of body (1) is equipped with guide valve blocks (4), is equipped with diaphragm (5) in described guide valve blocks (4), the center of the diaphragm (5)
Push rod (6) is fixed with, the lower end of the push rod (6) and the air intake valve (3) offset cooperation, under described guide valve blocks (4)
Portion center is equipped with deflation valve (7), the lower surface of the deflation valve (7) and gas vent (1b) phase in the main valve body (1)
Coordinate, the upper periphery of described push rod (6) is provided with a guide sleeve (61), described guide sleeve (61) and deflation valve (7)
Between be provided with deflation spring (71), the middle part of described push rod (6), which is located at below gas vent (1b), is provided with a jump ring
(62)；The top of described guide valve blocks (4) is equipped with shell (8), and air inlet electromagnetic valve (81) is provided with described shell (8)
With pressure-releasing electromagnetic valve (82), described air inlet electromagnetic valve (81) and pressure-releasing electromagnetic valve (82) and the guide valve blocks (4) interior diaphragm
(5) the first guide cavity (4a) above is connected, and the pressure sensor for monitoring output pressure is additionally provided with described shell (8)
(9), the pressure sensor (9) is connected with the pcb board signal in shell (8).
2. a kind of electric Proportion valve according to claim 1, it is characterized in that：It is provided with above described diaphragm (5)
Stator (51), lower stator (52), described lower stator (52) and the guide are provided with below described diaphragm (5)
Diaphragm spring (53) is provided between valve body (4).
3. a kind of electric Proportion valve according to claim 2, it is characterized in that：Described guide valve blocks (4) and the main valve
Filter (41) is provided between body (1).
4. a kind of electric Proportion valve according to claim 3, it is characterized in that：Described guide sleeve (61) and the push rod
(6) pilot seal circle (61a) is provided between outer wall.
5. a kind of electric Proportion valve according to claim 4, it is characterized in that：Described guide valve blocks (4) and main valve body (1)
Between be provided with alignment pin (42).
6. a kind of electric Proportion valve according to claim 5, it is characterized in that：The upper surface of described shell (8) is provided with
Control button (83) and cable connection port (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818341.9U CN207064793U (en) | 2017-07-07 | 2017-07-07 | A kind of electric Proportion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818341.9U CN207064793U (en) | 2017-07-07 | 2017-07-07 | A kind of electric Proportion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064793U true CN207064793U (en) | 2018-03-02 |
Family
ID=61507394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720818341.9U Active CN207064793U (en) | 2017-07-07 | 2017-07-07 | A kind of electric Proportion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663159A (en) * | 2018-06-20 | 2018-10-16 | 佛山市川东磁电股份有限公司 | A kind of endoporus sealing structure of pressure sensor |
| CN114542781A (en) * | 2022-02-22 | 2022-05-27 | 禾田气动有限公司 | Electric proportional valve |
-
2017
- 2017-07-07 CN CN201720818341.9U patent/CN207064793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663159A (en) * | 2018-06-20 | 2018-10-16 | 佛山市川东磁电股份有限公司 | A kind of endoporus sealing structure of pressure sensor |
| CN114542781A (en) * | 2022-02-22 | 2022-05-27 | 禾田气动有限公司 | Electric proportional valve |
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