CN110005861A - A kind of solenoid valve block for pressure control - Google Patents
A kind of solenoid valve block for pressure control Download PDFInfo
- Publication number
- CN110005861A CN110005861A CN201910412631.7A CN201910412631A CN110005861A CN 110005861 A CN110005861 A CN 110005861A CN 201910412631 A CN201910412631 A CN 201910412631A CN 110005861 A CN110005861 A CN 110005861A
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- exhaust
- inflation
- flap
- gas
- balance
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- 239000011159 matrix material Substances 0.000 claims abstract description 30
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 239000000806 elastomer Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 73
- 238000007789 sealing Methods 0.000 claims description 32
- 239000000696 magnetic material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001914 calming effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of solenoid valve blocks for pressure control, including matrix, exhaust valve and inflation valve body.Matrix is equipped with gas passage.Exhaust valve has exhaust casing, exhaust electromagnetic assembly, exhaust flap and exhaust elastomer, for closing or being discharged the gas of gas passage；Inflating valve body has inflation shell, inflation electromagnetic assembly, inflation flap and inflatable elastic body, for being filled with pressure regulation gas to gas passage.The pressure in gas passage can so be controlled.Gas passage is equipped with gas balance mouth, and exhaust valve and inflation valve body are respectively equipped with exhaust balance port and Inflatable balance mouth.Gas balance mouth passes through pipeline respectively and is connected to exhaust balance port and Inflatable balance mouth, then this at three pressure it is equal.So that exhaust flap and inflation flap additionally increase a closing forces, then under certain design parameter, the available smaller magnetic force of exhaust flap is closed, and the available smaller elastic force of inflation flap is closed and smaller magnetic force is opened.
Description
Technical field
The present invention relates to Pneumatic Control Technology field more particularly to a kind of solenoid valve blocks for gas pressure control.
Background technique
Gas pressure control at present can realize that solenoid valve has 3 kinds of classification from principle by solenoid valve, first is that
Direct-acting electromagnetic valve, second is that guide electromagnetic valve, third is that step direct-acting type electromagnetic valve.
For direct-acting electromagnetic valve when being powered, electromagnetic force lifts closure member；When power-off, closure member is pressed in valve seat by spring
On.
For guide electromagnetic valve when being powered, electromagnetic force opens pilot hole, when closure member external pressure is greater than interior pressure, pushes away
Dynamic closure member is opened；When power-off, spring handle guide's bore closure pushes closure member to close when pressure in closure member is greater than external pressure
It closes.
Step direct-acting type electromagnetic valve is direct acting and the principle that pilot-operated type combines, when closure member inside and outside differential pressure is smaller or is 0
When, electromagnetic force successively lifts the small valve of guide and main valve closure member after energization.When closure member inside and outside differential pressure is larger, principle is such as first
Guide electromagnetic valve.
For the structure of axial seal, above-mentioned three kinds of solenoid valves require biggish spring force and compress closure member, and straight
Type solenoid valve is also required to larger electromagnetic force and opens closure member；On the other hand, for guide electromagnetic valve, there is also pressure controls
System reacts slow defect.
Summary of the invention
The present invention provides a kind of solenoid valve block, is able to solve and needs to be opened valve with biggish spring force or electromagnetic force at present
It opens or closes and problem that magnet valve reaction speed is slow.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of solenoid valve block for pressure control, including matrix, exhaust valve and inflation valve body, exhaust valve have row
Gas shell, exhaust electromagnetic assembly, exhaust flap and exhaust elastomer, exhaust casing is mounted on matrix, and is had between matrix
There is exhaust chamber, matrix is provided with gas passage, exhaust outlet and external port, and gas passage is connected to exhaust chamber, and discharge chamber
Connector between room and gas passage is gas returning port；For external port on gas passage, exhaust outlet is connected to exhaust chamber；Exhaust
Electromagnetic assembly is located in exhaust casing, and is vented the bottom end connection exhaust flap of electromagnetic assembly, and controllable exhaust valve flap seal
Gas returning port；Exhaust elastomer is mounted in gas passage, and the inner wall of one end and gas passage is fixed, the other end and exhaust valve
Valve is fixedly connected, and exhaust elastomer can drive exhaust flap to open gas returning port；There is gas balance mouth, exhaust electricity in gas passage
The top side setting exhaust balance port of magnetic assembly, exhaust balance port are connected to by pipeline with gas balance mouth；
Inflation valve body is arranged on matrix and is connected to gas passage.
Further, inflation valve body includes inflation shell, inflation electromagnetic assembly, inflation flap and inflatable elastic body, inflation
Shell is mounted on matrix, and has inflating cells between matrix, and inflating cells be connected tos with gas passage, and inflating cells with
Connector between gas passage is air taking port；Inflating port is also set up on matrix, inflating port is connected to inflating cells；Inflate flap position
In in inflating cells；It inflates electromagnetic assembly to be located in inflation shell, and inflates the bottom end connection inflation flap of electromagnetic assembly, and can
Control inflation flap is far from air taking port；Inflatable elastic body covers on the outer wall of the bottom of inflation shell, and one end connection inflation
Shell, the other end are connect with inflation flap, and inflatable elastic body can drive inflation flap to compress air taking port；It is provided on inflation valve body
Inflatable balance mouth, Inflatable balance mouth are located at inflation electromagnetic assembly top side；Inflatable balance mouth passes through pipeline and gas balance mouth
Connection.
Further, exhaust electromagnetic assembly includes exhaust coil, exhaust iron core and exhaust flap piston, exhaust casing and row
Gas iron core is magnetic material；Exhaust coil is fixed in exhaust casing, and exhaust iron core is installed in exhaust coil；In exhaust casing
It is provided with exhaust suction surface, for driving exhaust iron core；The bottom end for being vented iron core is equipped with card slot, is vented the top card of flap piston
Enter in card slot, the bottom for being vented flap piston is fixedly connected with exhaust flap；It is vented iron core and exhaust flap piston can the row of drive
Air valve flap seal gas returning port.
Further, exhaust electromagnetic assembly further includes the exhaust dummy piston close to exhaust balance port setting, exhaust balance
The bottom of piston is fixedly connected with the top of exhaust iron core；Valve adjusting pad is mounted between exhaust dummy piston and exhaust iron core, is blocked
Valve adjusting pad is also installed in slot.
It further, further include piston cap and balance diaphragm, piston cap is fixed on exhaust casing, and is vented balance port position
In in piston cap；Balance diaphragm is flexible material, is mounted between exhaust casing and piston cap, for sealing exhaust balance port.
It further, further include return-air mouth sealing ring, exhaust diaphragm, exhaust diaphragm pressure ring, return-air mouth sealing ring and exhaust
Diaphragm is flexible material；Return-air mouth sealing ring is set on gas returning port, after being vented flap compression gas returning port, makes exhaust chamber
With gas channel separation；Exhaust diaphragm pressure ring is connected to the bottom end of exhaust casing, and exhaust diaphragm is mounted on exhaust casing and exhaust
Between diaphragm pressure ring, exhaust diaphragm is also mounted between exhaust flap and exhaust flap piston, for preventing gas from entering exhaust
In shell.
In a kind of embodiment, inflation electromagnetic assembly includes inflation iron core and air filled coil, inflation shell and inflation iron core
For magnetic material；Air filled coil is fixed in inflation shell, and inflation iron core is located in air filled coil, is inflated to be provided in shell and be filled
Gas suction surface, for driving inflation iron core；The bottom end connection inflation flap of iron core is inflated, and can drive inflation flap is separate to supply gas
Mouthful.
Further, inflation electromagnetic assembly includes the Inflatable balance piston close to the setting of Inflatable balance mouth, and Inflatable balance is living
The top of the bottom connection inflation iron core of plug.
Further, it inflates between suction surface and inflation iron core, be mounted on valve tune between inflation iron core and inflation flap
Whole pad.
Further, inflation valve body further includes the mouth sealing ring of supplying gas for being flexible material, inflation iron core sealing ring, inflation
Balanced seal circle and inflation valve seals；Mouth sealing ring of supplying gas covers on air taking port, after inflating flap compression air taking port,
Make inflating cells and gas channel separation；Inflation iron core sealing ring be sandwiched in inflation iron core outer wall and inflation shell inner wall it
Between；
Further, inflation valve seals are sandwiched between inflation shell and matrix, and Inflatable balance sealing ring is sandwiched in inflation
Between the outer wall of dummy piston and the inner wall for inflating shell, it is respectively used to prevent the gas in inflating cells and Inflatable balance mouth from letting out
Dew.
The beneficial effects of the present invention are:
1) solenoid valve block is by setting gas balance mouth and exhaust balance port, so that suffered by the upper/lower terminal of exhaust flap
To partial pressure cancel out each other, for existing solenoid valve, the exhaust flap of solenoid valve block of the invention when closed needed for
The electromagnetic force wanted is smaller；
2) solenoid valve block is by setting gas balance mouth and Inflatable balance mouth, so that suffered by the upper/lower terminal of inflation flap
To partial pressure cancel out each other, for existing solenoid valve, the inflation flap of solenoid valve block of the invention is required when opening
The electromagnetic force wanted is smaller；Required spring force is smaller when closed.
Detailed description of the invention
Fig. 1 is a kind of perspective view of solenoid valve block for pressure control；
Fig. 2 is a kind of structural schematic diagram of solenoid valve block for pressure control；
Fig. 3 is the partial enlarged view of a-quadrant in Fig. 2；
Fig. 4 is the structural schematic diagram of exhaust valve in one embodiment of the present invention；
Fig. 5 is to inflate the structural schematic diagram of valve body in one embodiment of the present invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.If not part hereafter is special
Refer to be magnetic material, is non magnetic material.
As shown in Figs. 1-5, a kind of solenoid valve block for pressure control includes matrix 1, exhaust valve 2 and inflation valve body 3.
As shown in Fig. 2, exhaust valve 2 includes exhaust casing 21, exhaust electromagnetic assembly 22, exhaust flap 23 and exhaust elastomer 24.Row
Gas shell 21 is mounted on matrix 1, and has exhaust chamber 25 between matrix 1.Matrix 1 is provided with gas passage 11, exhaust
Mouth 12 and external port 13.Gas passage 11 is connected to exhaust chamber 25, and the connection between exhaust chamber 25 and gas passage 11
Mouth is gas returning port 14.External port 13 is connected to product chamber on gas passage 11, product chamber be next stage of the present invention by
Control equipment needs the chamber of pressure regulation.The indoor gas of product chamber is known as product gas.As shown in Figure 1, exhaust outlet 12 and discharge chamber
Room 25 is connected to, for product gas to be discharged.Product gas can be entered in gas passage 11 by external port 13, then from
Gas passage 11 enters exhaust chamber 25, is finally discharged from the exhaust outlet 12 on matrix 1.
Exhaust electromagnetic assembly 22 is located in exhaust casing 21；Exhaust flap 23 is located in exhaust chamber 25；It is vented electromagnetism group
The bottom end of part 22 is connected to exhaust flap 23；Exhaust electromagnetic assembly 22 can control exhaust flap 23 and seal gas returning port 14.Exhaust
Elastomer 24 is mounted in gas passage 11；Specifically, the one end for being vented elastomer 24 is fixed on the inner wall of gas passage 11,
The other end is fixedly connected with exhaust flap 23；The elastic force of exhaust elastomer 24 to be vented flap 23 far from gas returning port 14；Therefore,
Under normal conditions, the gas returning port 14 between exhaust chamber 25 and gas passage 11 is in unimpeded state；When needing to seal gas returning port 14
When, exhaust electromagnetic assembly 22 drives exhaust flap 23 to compress gas returning port 14.
Gas balance mouth 15 is equipped in gas passage 11, in exhaust valve 2 and in the top side of exhaust electromagnetic assembly 22
Setting exhaust balance port 26.As shown in Figure 1, exhaust balance port 26 is connected to by pipeline 4 with gas balance mouth 15.The two is connected to it
Afterwards, the pressure for being vented balance port 26 is big as the pressure of gas passage 11, i.e., above exhaust electromagnetic assembly 22 (namely exhaust valve
The top of valve 23) suffered by pressure with exhaust flap 23 lower section suffered by pressure direction on the contrary, can cancel out each other.
Further, as shown in figure 4, exhaust electromagnetic assembly 22 includes exhaust coil 221, exhaust iron core 222 and exhaust valve
Valve piston 223.Exhaust coil 221 is fixed in exhaust casing 21；Exhaust iron core 222 is mounted on the centre of exhaust coil 221.This
In embodiment, exhaust coil 221 is around exhaust iron core 222；Being vented iron core 222 and exhaust casing 21 is all magnetic material, and
Exhaust casing 21 is provided with an exhaust suction surface 211.After being vented coil 221 and being powered, be vented iron core 222 and exhaust casing 21 because
It can attract each other after magnetization, the exhaust driving exhaust iron core 222 of suction surface 211 is mobile to the direction of gas returning port 14.It is vented iron core 222
Bottom end be equipped with card slot 222a；The top of exhaust flap piston 223 is caught in card slot 222a, when machining accuracy is not high enough,
Valve adjusting pad 5 can be installed in card slot 222a, attracted for adjusting 221 energization final vacuum iron core 222 of exhaust coil and exhaust
Gap between face 211, if the gap is excessive, magnetic force seals gas returning port 14 insufficient for exhaust flap 23；If exhaust
Iron core 222, which is moved downward to, is adjacent to exhaust suction surface 211, such that the exhaust movement of flap 23 is not in place, presses less than return-air
Mouth 14；And it is vented the abutting exhaust casing 21 of iron core 222 and is also unfavorable for quick demagnetization.It is vented bottom and the row of flap piston 223
Air flap 23 is fixedly connected.After exhaust coil 221 is powered, exhaust iron core 222 and exhaust flap piston 223 are able to drive exhaust
Flap 23 compresses gas returning port 14；It is non-due to having between exhaust iron core 222 and exhaust casing 21 after exhaust coil 221 powers off
Magnetic medium is air in the present embodiment, so being capable of quick demagnetization.
Exhaust electromagnetic assembly 22 further includes in the exhaust dummy piston 27 and piston cap 28 being arranged close to exhaust balance port 26；
The bottom of exhaust dummy piston 27 is fixedly connected with the top of exhaust iron core 222, between the exhaust dummy piston and exhaust iron core
It is mounted with valve adjusting pad 5.Piston cap 28 is fixed on exhaust casing 21, and is vented balance port 26 and is located in piston cap 28, the work
Corking 28 can stop exhaust dummy piston 27 to move to outside exhaust casing 21；It is lined between exhaust casing 21 and piston cap 28
Diaphragm 271 is balanced, which is fabricated from a flexible material.Balance diaphragm 271 can prevent the gas of exhaust balance port 26
Leakage guarantees the leakproofness of exhaust balance port 26.
In order to further ensure exhaust flap 23 seals gas returning port 14, also for guarantee exhaust chamber 25 and exhaust casing 21
Internal insulation, exhaust valve 2 further include return-air mouth sealing ring 141, exhaust diaphragm 29, exhaust diaphragm pressure ring 291.Gas returning port sealing
Circle 141, exhaust diaphragm 29 are fabricated from a flexible material.As shown in Fig. 2, return-air mouth sealing ring 141 is fixed on gas returning port 14, work as row
When air flap 23 is pressed on gas returning port 14, exhaust flap 23 can seal return-air mouth sealing ring 141, so that exhaust chamber 25
It is isolated with gas passage 11.As shown in figure 3, exhaust diaphragm pressure ring 291 is connected to the bottom end of exhaust casing 21, and it is vented diaphragm 29
It is mounted between exhaust casing 21 and exhaust diaphragm pressure ring 291, exhaust diaphragm 29 is also sandwiched in the exhaust flap 23 and the row
Between air flap piston 223, for preventing product gas from entering the inside of exhaust casing 21.
It is vented dummy piston 27, exhaust iron core 222, exhaust flap piston 223 and is vented the height meeting after flap 23 connects
Less than the distance between gas returning port 14 and balance diaphragm 271, i.e. exhaust flap 23 can be relative to the mobile spacing of gas returning port 14
From, therefore adjust the stroke of exhaust flap 23, it will be able to adjust extraction flow.In present embodiment, as shown in figure 4, being vented
After installing valve adjusting pad 5 between dummy piston 27 and exhaust iron core 222, the stroke of exhaust flap 23 opposite can be reduced, gas returning port
14 extraction flow can also be reduced therewith.In other embodiments, situation it can increase or decrease accordingly according to actual needs
The quantity of valve adjusting pad 5 changes the extraction flow of gas returning port 14 with this.
A kind of solenoid valve block for pressure control, inflation valve body 3 are arranged on matrix 1, and inflation valve body 3 has been connected to gas
Channel 11.As shown in Figure 1,5, inflation valve body 3 includes inflation shell 31, inflation electromagnetic assembly 32, inflation flap 33 and inflation bullet
Property body 34, inflation shell 31 be mounted on matrix 1.Inflating has inflating cells 35, inflating cells 35 between shell 31 and matrix 1
It is connected to gas passage 11, the connector between inflating cells 35 and gas passage 11 is air taking port 16, as shown in Figure 1, matrix 1
Upper to be provided with inflating port 17, inflating port 17 is connected to inflating cells 35, and pressure regulation gas is filled with inflating cells 35 by inflating port 17, adjusts
Body of calming the anger is the working gas that solenoid valve block of the present invention is used for pressure control, which is high pressure gas in the present embodiment
Body.After pressure regulation gas enters inflating cells 35, then passes through air taking port 16 and enter in gas passage 11.Inflation flap 33, which is located at, to be filled
In gas chamber 35, inflation electromagnetic assembly 32 is mounted on the inside of inflation shell 31, and the bottom end of inflation electromagnetic assembly 32 connects inflation
Flap 33, and can control inflation flap 33 far from air taking port 16.34 sets of the inflatable elastic body outer walls in inflation 31 bottom of shell
On, and one end ins succession and inflates shell 31, the other end is fixedly connected with inflation flap 33.Under normal conditions, pressure regulation gas passes through inflating port
17 are filled in chamber 35, and the air pressure of inflatable elastic body 34 and pressure regulation gas makes to inflate the compression air taking port 16 of flap 33, inflate at this time
Pressure regulation gas in chamber 35 cannot enter gas passage 11 by air taking port 16.Inflation valve body 3 further comprises Inflatable balance mouth
36, the top side of inflation electromagnetic valve component 32 is arranged in Inflatable balance mouth 36, and Inflatable balance mouth 36 is flat by pipeline 4 and gas
The mouth 15 that weighs is connected to, at this point, Inflatable balance mouth 36 is identical with the pressure of gas balance port 15, that is, inflates the top of electromagnetic assembly 32
The pressure direction that pressure suffered by (namely top of inflation flap 33) and inflation flap 33 are received at air taking port 16 is on the contrary, can
To cancel out each other.
Further, as shown in figure 5, inflation electromagnetic assembly 32 includes air filled coil 321 and inflation iron core 322, line is inflated
Circle 321 is fixed in inflation shell 31, and inflation iron core 322 is located at the centre of air filled coil 321, in present embodiment, inflation line
Circle 321 is around inflation iron core 322.Inflate the bottom end connection inflation flap 33 of iron core 322.Inflate iron core 322 and inflation shell 31
It is magnetic material.Inflation shell 31 is internally provided with inflation suction surface 311, after air filled coil 321 is powered, inflates iron core
322 and inflation shell 31 because magnetization after can attract each other, inflation suction surface 311 driving inflation iron core 322 far from air taking port 16
Direction is mobile, and inflation iron core 322 drives inflation flap 33 far from air taking port 16 during this.Inflating electromagnetic assembly 32 further includes leaning on
The Inflatable balance piston 37 of nearly 36 setting of Inflatable balance mouth, Inflatable balance mouth 36 are located at the top of Inflatable balance piston 37, inflate
The bottom of dummy piston 37 passes through the top of the through-hole connection inflation iron core 322 of inflation shell 31, so inflation iron core 322 is backwards
Air taking port 16 is moved to after certain distance and can be inflated the inflation suction surface 311 of shell 31 and stop, to cannot continue to move to.
Inflating valve body 3 further includes mouth sealing ring 161 of supplying gas, as shown in Fig. 2, supplying gas 161 sets of mouth sealing ring in air taking port 16
On, inflation flap 33 can compress mouth sealing ring 161 of supplying gas, so that air taking port 16 and inflating cells 35 are isolated.Another party
Face, the gas leakage in inflating cells 35 and Inflatable balance mouth 36 in order to prevent, in present embodiment, inflation valve body 3 further includes
Inflate iron core sealing ring 322a, inflation valve seals 38 and Inflatable balance sealing ring 39.As shown in figure 5, inflation iron core sealing
Circle 322a is sandwiched between the outer wall of inflation iron core 322 and the inner wall of inflation shell 31, prevents the gas in inflating cells 35 from entering
To the inside of inflation shell 31.As shown in Fig. 2,5, inflation valve seals 38 are sandwiched between inflation shell 31 and matrix 1, inflation
Balanced seal circle 39 is sandwiched between the outer wall of Inflatable balance piston 37 and the inner wall of inflation shell 31.
It inflates iron core 322 and inflates blocking surface of the height after flap 33 connects less than air taking port 16 to inflation shell 31
The distance between 311, i.e. inflation flap 33 can be relative to the mobile a certain distance of air taking port 16, so adjusting inflation flap 33
Stroke can adjust flow of aerating air, in present embodiment, be provided with valve tune between inflation suction surface 311 and inflation iron core 322
Whole pad 5 is used for quick demagnetization.Valve adjusting pad 5 is also installed between inflation iron core 322 and inflation flap 33, inflates 322 He of iron core
By increaseing or decreasing the quantity of valve adjusting pad 5 between inflation flap 33, the stroke of inflation flap 33 can be adjusted, is adjusted with this
Flow of aerating air.
In a kind of embodiment, as shown in Figure 1, gas balance mouth 15 has first gas balance port 151 and second gas
Balance port 152, first gas balance port 151 are arranged close to air taking port 16 and are connected to Inflatable balance mouth 36, second gas balance port
152 are arranged close to gas returning port 14 and are connected to exhaust balance port 26.In other embodiments, first gas balance port 151, the second gas
Body balance port 152 and external port may be configured as the same mouth.In a kind of embodiment, inflatable elastic body 34 and exhaust elastomer
24 be cylindroid helical-coil compression spring.
A kind of workflow (for pressurizeing to product gas) of the solenoid valve block for pressure control:
Under normal conditions, inflation flap 33 compresses air taking port 16 under the action of inflatable elastic body 34, and exhaust flap 23 is being vented
Far from gas returning port 14 under the action of elastomer 24.
When needing to apply pressure, first step makes the exhaust coil 221 in exhaust valve 2 be powered, and is vented 222 He of iron core
Exhaust flap piston 223 drives exhaust flap 23 to compress and seal gas returning port 14；Second step, while making to inflate in valve body 3
Air filled coil 321 is powered, and inflation iron core 322 drives inflation flap 33 far from air taking port 16, and inflating port 17 accesses pressure regulation gas, adjusts
Body of calming the anger successively passes through inflating cells 35 and air taking port 16 enters in gas passage 11, and a part of pressure regulation gas can have respectively entered
In first gas balance port 151 and second gas balance port 152, so that first gas balance port 151 and Inflatable balance at this time
The pressure of mouth 36 is equal, and second gas balance port 152 is equal with the exhaust pressure of balance port 26；Third step, gas passage
After pressure reaches target air pressure value, air filled coil 321 is powered off, effect of the inflation flap 33 in inflatable elastic body 34 and pressure regulation gas
Under compress again and seal air taking port 16；Four steps, under certain condition, as product is complete using the product gas of target air pressure value
After task, exhaust coil 221 is enabled to power off, exhaust elastomer 24 opens exhaust flap 23 and makes it away from gas returning port 14, product gas
Successively solenoid valve block is discharged by external port 13, gas passage 11, gas returning port 14, exhaust chamber 25 and exhaust outlet 12 in body, extensive
Multiple normality.
A kind of electromagnetic valve component for pressure control is made by the gas balance mouth and exhaust balance port of setting connection
The lower end that flap must be vented is equal with pressure suffered by exhaust dummy piston upper end.So, compared to direct-acting electromagnetic valve,
An additional closing forces are increased on exhaust flap, so exhaust valve can be closing and sealing off return-air with lesser electromagnetic force
Mouthful.Because the atmospheric pressure that exhaust flap is subject to has with exhaust flap lower end and the forced area difference for being vented dummy piston upper end
It closes, it is unrelated with the forced area of itself；So the forced area of the lower end of exhaust flap can increase, i.e. gas returning port bore adds
Greatly, so that extraction flow increases.On the other hand, the present invention is also provided with inflation valve body, and charge valve body can control pressure regulation gas
Into gas passage, gas pressure control is carried out to product, compared to the delay waiting time that existing guide electromagnetic valve needs,
The present invention can quickly improve entire solenoid valve block pressure control reaction speed, to significantly increase the work effect of solenoid valve block
Rate；Also Inflatable balance mouth is arranged in the top of inflation valve body in the present invention, and Inflatable balance mouth is connected to gas balance mouth, so that charge valve
The pressure that the lower end and Inflatable balance piston upper end of valve are subject to is equal, then compared to direct-acting electromagnetic valve, on air inlet flap
An additional closing forces are increased, so the enough lesser elastic force of inflatable elastic physical efficiency is closing and sealing off air taking port, by setting
Forced area difference of the meter inflation flap from air taking port and Inflatable balance piston from Inflatable balance mouth, inflation valve body also can
It is gone to open air taking port with relatively small electromagnetic force.Because the atmospheric pressure and inflation flap lower end and inflation that inflation flap is subject to are flat
The forced area difference of weighing apparatus piston upper end is related, unrelated with the forced area of itself；So the stress surface of the lower end of inflation flap
Product can increase, i.e., air taking port bore increases, so that flow of aerating air increases.
Electromagnetic valve component of the invention, by the setting of valve adjusting pad, adjustable inflation flap is relative to air taking port
Moving distance, and moving distance of the exhaust flap relative to gas returning port is adjusted, so as to the flow of aerating air of electromagnetic valve for adjusting group
And extraction flow, range of flow are more extensive.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can be also made.
Claims (10)
1. a kind of solenoid valve block for pressure control, it is characterised in that: described including matrix, exhaust valve and inflation valve body
There is exhaust valve exhaust casing, exhaust electromagnetic assembly, exhaust flap and exhaust elastomer, the exhaust casing to be mounted on described
On matrix, and there is exhaust chamber between described matrix, described matrix is provided with gas passage, exhaust outlet and external port,
The gas passage is connected to the exhaust chamber, and the connector between the exhaust chamber and the gas passage is return-air
Mouthful；For the external port on the gas passage, the exhaust outlet is connected to the exhaust chamber；
The exhaust electromagnetic assembly is located in the exhaust casing, and the bottom end of the exhaust electromagnetic assembly connects the exhaust valve
Valve, and can control gas returning port described in the exhaust valve flap seal；The exhaust elastomer is mounted in the gas passage, and its
One end and the inner wall of the gas passage are fixed, and the other end is fixedly connected with the exhaust flap, and the exhaust elastomer can drive
It moves the exhaust flap and opens the gas returning port；
There is gas balance mouth, the top side setting exhaust balance port of the exhaust electromagnetic assembly, institute in the gas passage
Exhaust balance port is stated to be connected to by pipeline with the gas balance mouth；
The inflation valve body is arranged on the matrix and is connected to the gas passage.
2. the solenoid valve block for pressure control as described in claim 1, it is characterised in that: the inflation valve body includes inflation
Shell, inflation electromagnetic assembly, inflation flap and inflatable elastic body, the inflation shell are installed on the matrix, and with it is described
There are inflating cells, the inflating cells are connected to the gas passage, and the inflating cells and the gas between matrix
Connector between channel is air taking port；Inflating port is also set up in described matrix, the inflating port is connected to the inflating cells；
The inflation flap is located in the inflating cells；The inflation electromagnetic assembly is located in the inflation shell, and described
The bottom end for inflating electromagnetic assembly connects the inflation flap, and can control the inflation flap far from the air taking port；It is described to fill
Gas elastomer sleeve is on the outer wall of the bottom of the inflation shell, and one end connects the inflation shell, the other end with it is described
Flap connection is inflated, the inflatable elastic body can drive the inflation flap to compress the air taking port；
Inflatable balance mouth is provided on the inflation valve body, the Inflatable balance mouth is located at the inflation electromagnetic assembly top one
Side；The Inflatable balance mouth is connected to by pipeline with the gas balance mouth.
3. the solenoid valve block for pressure control as described in claim 1, it is characterised in that: the exhaust electromagnetic assembly includes
It is vented coil, exhaust iron core and exhaust flap piston, the exhaust casing and the exhaust iron core are magnetic material；The exhaust
Coil is fixed in the exhaust casing, and the exhaust iron core is installed in the exhaust coil；Setting in the exhaust casing
There is exhaust suction surface, for driving the exhaust iron core；The bottom end of the exhaust iron core is equipped with card slot, the exhaust flap piston
Top be caught in the card slot, it is described exhaust flap piston bottom be fixedly connected with the exhaust flap；The exhaust iron
Core and exhaust flap piston can drive gas returning port described in the exhaust valve flap seal.
4. the solenoid valve block for pressure control as claimed in claim 3, it is characterised in that: the exhaust electromagnetic assembly also wraps
The exhaust dummy piston close to the exhaust balance port setting is included, the bottom of the exhaust dummy piston is fixedly connected with the exhaust
The top of iron core；Valve adjusting pad is mounted between the exhaust dummy piston and exhaust iron core, and valve is also installed in the card slot
Adjusting pad.
5. the solenoid valve block for pressure control as claimed in claim 4, it is characterised in that: further include piston cap and balance film
Piece, the piston cap are fixed on the exhaust casing, and the exhaust balance port is located in the piston cap；The balance film
Piece is flexible material, is mounted between the exhaust casing and the piston cap, for sealing the exhaust balance port.
6. the solenoid valve block for pressure control as described in any one of claim 3-5, it is characterised in that: the exhaust valve
Body further includes return-air mouth sealing ring, exhaust diaphragm, exhaust diaphragm pressure ring, and the return-air mouth sealing ring and the exhaust diaphragm are soft
Property material；The return-air mouth sealing ring is set on the gas returning port, after compressing the gas returning port for the exhaust flap, is made
The exhaust chamber and gas passage isolation；
The exhaust diaphragm pressure ring is connected to the bottom end of the exhaust casing, the exhaust diaphragm be mounted on the exhaust casing with
Between the exhaust diaphragm pressure ring, the exhaust diaphragm is also mounted between the exhaust flap and the exhaust flap piston,
For preventing gas from entering in the exhaust casing.
7. the solenoid valve block for pressure control as claimed in claim 2, it is characterised in that: the inflation electromagnetic assembly includes
Iron core and air filled coil are inflated, the inflation shell and the inflation iron core are magnetic material；The air filled coil is fixed on institute
It states in inflation shell, the inflation iron core is located in the air filled coil, is provided with inflation suction surface in the inflation shell, uses
In the driving inflation iron core；The bottom end of the inflation iron core connects the inflation flap, and the inflation flap can be driven remote
From the air taking port.
8. the solenoid valve block for pressure control as claimed in claim 7, it is characterised in that: the inflation electromagnetic assembly also wraps
The Inflatable balance piston close to Inflatable balance mouth setting is included, the bottom of the Inflatable balance piston connects the inflation iron core
Top.
9. the solenoid valve block for pressure control as claimed in claim 7, it is characterised in that: the inflation suction surface and described
Valve adjusting pad is mounted between inflation iron core, between the inflation iron core and inflation flap.
10. the solenoid valve block for pressure control as claimed in any one of claims 7-9, it is characterised in that: the inflation
Valve body further includes the mouth sealing ring of supplying gas for being flexible material, inflation iron core sealing ring, Inflatable balance sealing ring and inflation valve body
Sealing ring；The mouth sealing ring of supplying gas covers on the air taking port, after compressing the air taking port for the inflation flap, makes institute
State inflating cells and gas passage isolation；The inflation iron core sealing ring is sandwiched in the outer wall of the inflation iron core and described fills
Between the inner wall of gas shell；
The inflation valve seals are sandwiched between inflation shell and the described matrix, and the Inflatable balance sealing ring is sandwiched in institute
It states between the outer wall of Inflatable balance piston and the inner wall of the inflation shell, be respectively used to prevent the inflating cells and described fill
Gas leakage in gas balance port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412631.7A CN110005861B (en) | 2019-05-17 | 2019-05-17 | Electromagnetic valve group for pressure control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412631.7A CN110005861B (en) | 2019-05-17 | 2019-05-17 | Electromagnetic valve group for pressure control |
Publications (2)
| Publication Number | Publication Date |
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| CN110005861A true CN110005861A (en) | 2019-07-12 |
| CN110005861B CN110005861B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910412631.7A Active CN110005861B (en) | 2019-05-17 | 2019-05-17 | Electromagnetic valve group for pressure control |
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| CN102109049A (en) * | 2011-03-14 | 2011-06-29 | 宁波三安制阀有限公司 | Bottle valve |
| JP2015075227A (en) * | 2013-10-11 | 2015-04-20 | 株式会社鷺宮製作所 | Electromagnetic control valve |
| CN105889577A (en) * | 2015-01-09 | 2016-08-24 | 重庆滟昭汽车科技有限公司 | Inflation and deflation control valve |
| CN106051171A (en) * | 2016-06-08 | 2016-10-26 | 中国船舶重工集团公司第七二五研究所 | Pressure self-balanced type stop check valve |
| CN106969175A (en) * | 2017-05-10 | 2017-07-21 | 成都特恩达燃气设备有限公司 | A kind of direct acting guide electromagnetic valve |
| CN208204096U (en) * | 2017-11-23 | 2018-12-07 | 南京中车浦镇海泰制动设备有限公司 | A kind of high frequency mo pneumatic operated valve |
| CN209909272U (en) * | 2019-05-17 | 2020-01-07 | 深圳市苍泰科技有限公司 | Electromagnetic valve set for pressure control |
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2019
- 2019-05-17 CN CN201910412631.7A patent/CN110005861B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109049A (en) * | 2011-03-14 | 2011-06-29 | 宁波三安制阀有限公司 | Bottle valve |
| JP2015075227A (en) * | 2013-10-11 | 2015-04-20 | 株式会社鷺宮製作所 | Electromagnetic control valve |
| CN105889577A (en) * | 2015-01-09 | 2016-08-24 | 重庆滟昭汽车科技有限公司 | Inflation and deflation control valve |
| CN106051171A (en) * | 2016-06-08 | 2016-10-26 | 中国船舶重工集团公司第七二五研究所 | Pressure self-balanced type stop check valve |
| CN106969175A (en) * | 2017-05-10 | 2017-07-21 | 成都特恩达燃气设备有限公司 | A kind of direct acting guide electromagnetic valve |
| CN208204096U (en) * | 2017-11-23 | 2018-12-07 | 南京中车浦镇海泰制动设备有限公司 | A kind of high frequency mo pneumatic operated valve |
| CN209909272U (en) * | 2019-05-17 | 2020-01-07 | 深圳市苍泰科技有限公司 | Electromagnetic valve set for pressure control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005861B (en) | 2024-01-02 |
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