CN208651305U - A kind of air-operated solenoid valve - Google Patents
A kind of air-operated solenoid valve Download PDFInfo
- Publication number
- CN208651305U CN208651305U CN201821080723.7U CN201821080723U CN208651305U CN 208651305 U CN208651305 U CN 208651305U CN 201821080723 U CN201821080723 U CN 201821080723U CN 208651305 U CN208651305 U CN 208651305U
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- iron core
- spring
- piston seat
- piston
- valve
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Abstract
The utility model discloses a kind of air-operated solenoid valves, including valve body, piston seat and rear cover, valve chamber is equipped in valve body, valve rod is equipped in valve chamber, plunger shaft is equipped in piston seat, piston is movably installed in plunger shaft, valve rod one end, which is protruded into plunger shaft, to be fixedly connected with the piston, the first spring is equipped between the valve rod other end and rear cover, valve body is equipped with first row port, first working hole, air inlet, second working hole and second exhaust port, piston seat is equipped with control mouth, control channel is equipped in piston seat, electromagnetic assembly is connected with by piston seat, electromagnetic assembly includes sleeve, dynamic iron core, static iron core and electromagnetic coil, installation cavity is equipped in dynamic iron core, installation cavity is equipped with seal plug and buffer head, seal plug offsets with control channel to block control channel, static iron core is equipped with protrusion, piston seat is equipped with hand lever, manually Bar protrudes into piston seat and hand lever offsets with dynamic iron core.The utility model has the characteristics of small using noise, long service life.
Description
Technical field
The utility model relates to pneumatic element technical field, in particular to a kind of air-operated solenoid valve.
Background technique
Valve is widely used in the fluid control of each technical field, and solenoid valve is electromagnetically controlled industrial equipment, is to use
It controls the automatic foundamental element of fluid, belongs to actuator.Adjusted in industrial control system the direction of medium, flow,
Speed and other parameters.
Two-position five-way valve is that solenoid valve is one such, well known.Its structure generally includes valve body, sets respectively
It is placed in the rear cover and valve seat at valve body both ends, valve chamber is formed in valve body, is movably set with valve rod in valve chamber, from rear on the arm of valve rod
To before set gradually spaced set have the first row port being connected to valve chamber, the first working hole, air inlet, the second working hole and
Second exhaust port is provided with several flat circles on valve rod, several nodes corresponding with flat circle, several nodes is provided in valve body
It is staggered with first row port, the first working hole, air inlet, the second working hole, after being equipped between the rear end and rear cover of valve rod
Piston is equipped with resetting-mechanism between rear piston and rear cover, secondary piston is equipped between the front end and valve seat of valve rod, and valve seat is respectively set
Have and is equipped with gas with valve seat with the control stomata of secondary piston corresponding matching, the gas port matched with control stomata, valve body
Body channel, air inlet are connected by gas passage with gas port, are provided on valve seat for controlling gas port and control stomata
The pilot head of conducting or truncation.When installation, air inlet is connected with work gas source, when pilot head is powered, gas port and control
It being switched between stomata, the compressed gas in air inlet successively enters in control stomata through gas passage, gas port and pilot head,
And then it is moved backward by secondary piston driving stem；When pilot head power-off, rear piston drives valve under the action of resetting-mechanism
Bar moves forward, to realize the commutation of gas circuit.
Then, noise is larger at work for above-mentioned two-position five-way valve, pilot head wear when in use it is larger, service life compared with
It is short and not easy to overhaul.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of air-operated solenoid valve is provided, there is, long service life small using noise
The characteristics of.
To achieve the above object, the utility model provides following technical scheme.
A kind of air-operated solenoid valve, including valve body, piston seat and rear cover, valve body one end are connected to rear cover, and the valve body other end connects
It is connected to piston seat, valve chamber is equipped in valve body, valve rod is equipped in valve chamber, plunger shaft is equipped in piston seat, activity installation in plunger shaft
There is piston, valve rod one end, which is protruded into plunger shaft, to be fixedly connected with the piston, the first spring is equipped between the valve rod other end and rear cover, the
One spring one end, which supports, is set to rear cover, and the first spring other end, which supports, is set to valve rod, and valve body is equipped with the first exhaust being connected to valve chamber
Mouth, the first working hole, air inlet, the second working hole and second exhaust port, piston seat are equipped with control mouth, are equipped in piston seat
The control channel that control mouth is connected to plunger shaft, electromagnetic assembly is connected with by piston seat, and electromagnetic assembly includes sleeve, dynamic iron
Core, static iron core and electromagnetic coil, electromagnetic coil are sheathed on outside sleeve, and sleeve is fixedly connected with piston seat, and static iron core is set to sleeve
Interior, dynamic iron core one end is located in sleeve, and the dynamic iron core other end stretches out in outside sleeve, and the second bullet is equipped between dynamic iron core and sleeve
Spring, dynamic iron core is interior to be equipped with installation cavity, and one end that installation cavity stretches out in outside sleeve is embedded with seal plug, and the other end is set in installation cavity
There is buffer head, third spring and the 4th spring are equipped in installation cavity, third spring one end, which supports, is set to seal plug, and third spring is another
One end, which is supported, to be set in installation cavity, and the 4th spring one end, which supports, is set to buffer head, and the 4th spring other end, which supports, to be set in installation cavity, sealing
Plug offsets under the action of third spring with control channel to block control channel, and static iron core is equipped with to be cooperated with buffer head
Protrusion, the gas vent for being connected to installation cavity with plunger shaft is additionally provided in dynamic iron core, piston seat is equipped with hand lever, hand lever
Bottom is tapered, and hand lever protrudes into piston seat and hand lever bottom offsets with dynamic iron core side wall, between hand lever and piston seat
Equipped with the 5th spring.
Further, rear cover is fixedly connected with the valve body by screw.
Further, sealing ring is equipped between rear cover and valve body.
Further, electromagnetic coil is equipped with terminal box.
Further, the exhaust passage being connected to plunger shaft is additionally provided on static iron core.
Further, exhaust passage, which closes on, is equipped with silencing cotton in one end of dynamic iron core.
The utility model has the following beneficial effects: the solenoid valve of the utility model, when electromagnetic coil is in off-position, into
It is connected between port and the first working hole, is connected between the second working hole and second exhaust port, the first working hole and first exhaust
It being blocked between mouthful, between air inlet and the second working hole by valve rod, inlet charge, gas enters valve chamber through air inlet, then
It working through the discharge of first row port, when exhaust, gas enters valve chamber through second exhaust port, then is vented through the second air inlet,
When needing the outlet of gas switching to the second working hole by the first working hole, electromagnetic coil, which is powered, generates magnetic force, moves iron
Core compresses second spring to static iron core movement under the magnetic force, and seal plug is separated with control channel, no longer logical to control
Road blocks, while control mouth air inlet, gas enter in plunger shaft through control mouth, control channel, and the gas push in plunger shaft is living
Plug drives piston rod to compress the first spring and is moved to the left, after piston rod is moved to the left, the first working hole and first row port at this time
Between be connected to；It is connected between air inlet and the second working hole, between air inlet and the first working hole, the second working hole and second row
It is blocked between port by valve rod, inlet charge, gas enters valve chamber through air inlet, then is discharged through second exhaust port and carries out work
Make, when exhaust, gas enters valve chamber through first row port, then is vented through the first air inlet, to realize switching exhaust outlet, passes through
Buffer head is equipped in installation cavity, when dynamic iron core is mobile to static iron core, buffer head first offsets with the protrusion of static iron core realization
Buffering, to alleviate the shock between dynamic iron core and static iron core, to reduce noise, moreover it is possible to reduce the abrasion of dynamic iron core, reduce
The failure rate of solenoid valve, increases service life, hand lever furthermore is arranged by piston seat, when electromagnetic coil can not be powered
When, hand lever is pressed by lower, hand lever compresses the 5th spring and moves down, bottom pyramidal face and dynamic iron core phase when hand lever is mobile
It supports, so that dynamic iron core be pushed to compress, second spring is mobile to static iron core, and seal plug is separated with control channel, no longer logical to control
Road blocks, thus manual switching exhaust outlet, and maintenance is convenient when solenoid valve is broken down.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is partial enlargement diagram at A in Fig. 1 of the utility model.
In figure, 1. valve bodies；2. piston seat；3. rear cover；4. valve chamber；5. valve rod；6. plunger shaft；7. piston；8. the first spring；
9. first row port；10. the first working hole；11. air inlet；12. the second working hole；13. second exhaust port；14. control channel；
15. sleeve；16. dynamic iron core；17. static iron core；18. electromagnetic coil；19. second spring；20. installation cavity；21. seal plug；22.
Buffer head；23. third spring；24. protrusion；25. gas vent；26. the 4th spring；27. hand lever；28. the 5th spring；29.
Sealing ring；30. terminal box；31. exhaust passage.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
Referring to a kind of Fig. 1 to air-operated solenoid valve shown in Fig. 2, including valve body 1, piston seat 2 and rear cover 3,1 one end of valve body connects
It is connected to rear cover 3, rear cover 3 is fixedly connected by screw with valve body 1, and sealing ring 29 is equipped between rear cover 3 and valve body 1, close to guarantee
Envelope property is good, and gas is not easy to leak, and 1 other end of valve body is connected to piston seat 2, and valve chamber 4 is equipped in valve body 1, is equipped with valve in valve chamber 4
Bar 5, piston seat 2 is interior to be equipped with plunger shaft 6, piston 7 is movably installed in plunger shaft 6,5 one end of valve rod is protruded into plunger shaft 6 and living
Plug 7 is fixedly connected, and the first spring 8 is equipped between 5 other end of valve rod and rear cover 3, and 8 one end of the first spring, which is supported, is set to rear cover 3, and first
8 other end of spring, which supports, is set to valve rod 5, and valve body 1 is equipped with first row port 9, the first working hole 10, air inlet being connected to valve chamber 4
Mouthful the 11, second working hole 12 and second exhaust port 13, piston seat 2 are equipped with control mouth, be equipped in piston seat 2 by control mouth with
The control channel 14 that plunger shaft 6 is connected to.
Electromagnetic assembly is connected with by piston seat 2, electromagnetic assembly includes sleeve 15, dynamic iron core 16, static iron core 17 and electromagnetic wire
Circle 18, electromagnetic coil 18 is sheathed on outside sleeve 15, and electromagnetic coil 18 is equipped with terminal box 30, so that structure is more compact, set
Cylinder 15 is fixedly connected with piston seat 2, and static iron core 17 is set in sleeve 15, and 16 one end of dynamic iron core is located in sleeve 15, dynamic iron core 16
The other end stretches out in outside sleeve 15, and gap is formed between dynamic iron core 16 and sleeve 15, is equipped between dynamic iron core 16 and sleeve 15
Second spring 19, dynamic iron core 16 is interior to be equipped with installation cavity 20, and one end that installation cavity 20 stretches out in outside sleeve 15 is embedded with seal plug
21, the other end is equipped with buffer head 22 in installation cavity 20, is equipped with third spring 23 and the 4th spring 26, third spring in installation cavity 20
23 one end, which are supported, is set to seal plug 21, and 23 other end of third spring, which supports, to be set in installation cavity 20, and 26 one end of the 4th spring is supported and is set to
Buffer head 22,26 other end of the 4th spring support be set to installation cavity 20 in, seal plug 21 under the action of third spring 23 with control
Channel 14 processed offsets to block control channel 14, and static iron core 17 is equipped with the protrusion 24 cooperated with buffer head 22, dynamic iron core
The gas vent 25 for being connected to installation cavity 20 with plunger shaft 6 is additionally provided on 16, piston seat 2 is equipped with hand lever 27,27 bottom of hand lever
Portion is tapered, and hand lever 27 protrudes into piston seat 2 and 27 bottom of hand lever offsets with 16 side wall of dynamic iron core, hand lever 27 and piston
The 5th spring 28 is equipped between seat 2.
The solenoid valve of the utility model, when electromagnetic coil 18 is in off-position, air inlet 11 and the first working hole 10
Between be connected to, be connected between the second working hole 12 and second exhaust port 13, between the first working hole 10 and first row port 9, into
It being blocked between port 11 and the second working hole 12 by valve rod 5,11 air inlet of air inlet, gas enters valve chamber 4 through air inlet 11, then
It works through the discharge of first row port 9, when exhaust, gas enters valve chamber 4 through second exhaust port 13, then through the second air inlet 11
Exhaust, when needing the outlet of gas switching to the second working hole 12 by the first working hole 10, electromagnetic coil 18, which is powered, to be produced
Magnetisation power, dynamic iron core 16 compress second spring 19 to the movement of static iron core 17 under the magnetic force, and seal plug 21 and control are logical
Road 14 separates, and no longer blocks to control channel 14, while control mouth air inlet, and gas enters piston through control mouth, control channel 14
In chamber 6, gas push piston 7 in plunger shaft 6 compresses the first spring 8 with 7 bar of piston and is moved to the left, and 7 bar of piston is to moving to left
After dynamic, it is connected between the first working hole 10 and first row port 9 at this time；It is connected between air inlet 11 and the second working hole 12, into
It is blocked between port 11 and the first working hole 10, between the second working hole 12 and second exhaust port 13 by valve rod 5, air inlet 11
Air inlet, gas enters valve chamber 4 through air inlet 11, then works through the discharge of second exhaust port 13, and when exhaust, gas is through first row
Port 9 enters valve chamber 4, then is vented through the first air inlet 11, thus realize switching exhaust outlet, it is slow by being equipped in installation cavity 20
Formed punch 22, when dynamic iron core 16 is mobile to static iron core 17, buffer head 22 first offsets with the protrusion 24 of static iron core 17 and realizes buffering,
To alleviate the shock between dynamic iron core 16 and static iron core 17, to reduce noise, moreover it is possible to reduce the abrasion of dynamic iron core 16, reduce
The failure rate of solenoid valve, increases service life, when the protrusion 24 of buffer head 22 and static iron core 17 offsets, buffer head 22 meeting
It compresses the 4th spring 26 to move a certain distance to 21 position of seal plug, when buffer head 22 is mobile, buffer head 22 can be pressed
Gas in contracting installation cavity 20 enters plunger shaft 6 through the gap between gas vent 25, dynamic iron core 16 and sleeve 15, control channel 14
It is interior, by the way that gas vent 25 is arranged, can be moved in plunger shaft 6 convenient for buffer head 22, so that buffering effect is better.
Furthermore hand lever 27 is arranged by piston seat 2, when electromagnetic coil 18 can not be powered, presses hand lever 27 by lower,
Hand lever 27 compresses the 5th spring 28 and moves down, and bottom pyramidal face offsets with dynamic iron core 16 when hand lever 27 is mobile, to push away
Dynamic dynamic iron core 16 compresses second spring 19 to the movement of static iron core 17, and seal plug 21 is separated with control channel 14, no longer to control
Channel 14 blocks, thus manual switching exhaust outlet, and maintenance is convenient when solenoid valve is broken down.When release hand lever 27
When, hand lever 27 resets under the action of the 5th spring 28, and dynamic iron core 16 resets logical with control under the action of second spring 19
Road 14 offsets.
The exhaust passage 31 being connected to plunger shaft 6 is additionally provided on static iron core 17, exhaust passage 31 is connected to the external world, works as piston
7 when moving right, and electromagnetic coil 18 is in off-position at this time, the gas in plunger shaft 6 through control channel 14, dynamic iron core 16 with
Gap, exhaust passage 31 between sleeve 15 are discharged outside to, and exhaust passage 31, which closes in one end of dynamic iron core 16 to be equipped with, to disappear
Sound cotton, reduces exhaust noise, and when piston 7 is moved to the left, electromagnetic coil 18 is in energized state at this time, dynamic iron core 16 with it is quiet
Iron core 17 offsets, and the protrusion 24 of buffer head 22 and static iron core 17 offsets to seal exhaust passage 31 at this time, avoids controlling
The air that mouth is entered is discharged through exhaust outlet, and when the protrusion 24 of buffer head 22 and static iron core 17 offsets, silencing cotton energy
Enough reduce collides generated noise.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (6)
1. a kind of air-operated solenoid valve, including valve body (1), piston seat (2) and rear cover (3), valve body (1) one end are connected to rear cover (3),
Valve body (1) other end is connected to piston seat (2), is equipped with valve chamber (4) in valve body (1), is equipped with valve rod (5) in valve chamber (4), piston seat
(2) plunger shaft (6) are equipped in, are movably installed with piston (7) in plunger shaft (6), valve rod (5) one end protrude into plunger shaft (6) with
Piston (7) is fixedly connected, and is equipped with the first spring (8) between valve rod (5) other end and rear cover (3), and the first spring (8) one end is supported and set
In rear cover (3), the first spring (8) other end, which supports, is set to valve rod (5), it is characterised in that: valve body (1) is equipped with valve chamber (4) even
Logical first row port (9), the first working hole (10), air inlet (11), the second working hole (12) and second exhaust port (13),
Piston seat (2) is equipped with control mouth, and the control channel (14) for being connected to control mouth with plunger shaft (6) is equipped in piston seat (2), living
It is connected with electromagnetic assembly by obturating plug (2), electromagnetic assembly includes sleeve (15), dynamic iron core (16), static iron core (17) and electromagnetic coil
(18), electromagnetic coil (18) is sheathed on sleeve (15) outside, and sleeve (15) is fixedly connected with piston seat (2), and static iron core (17) is set to
In sleeve (15), dynamic iron core (16) one end is located in sleeve (15), and dynamic iron core (16) other end stretches out in sleeve (15) outside, moves iron
Second spring (19) are equipped between core (16) and sleeve (15), are equipped with installation cavity (20) in dynamic iron core (16), installation cavity (20) is stretched
It is embedded with seal plug (21) for the one end of sleeve (15) outside, installation cavity (20) the interior other end is equipped with buffer head (22), installation
Third spring (23) and the 4th spring (26) are equipped in chamber (20), third spring (23) one end, which is supported, is set to seal plug (21), the
Three springs (23) other end, which supports, to be set in installation cavity (20), and the 4th spring (26) one end, which is supported, is set to buffer head (22), the 4th spring
(26) other end support be set to installation cavity (20) in, seal plug (21) under the action of third spring (23) with control channel (14)
It offsets to block control channel (14), static iron core (17) is equipped with the protrusion (24) cooperated with buffer head (22), dynamic iron core
(16) gas vent (25) for being connected to installation cavity (20) with plunger shaft (6) is additionally provided on, piston seat (2) is equipped with hand lever
(27), hand lever (27) bottom is tapered, and hand lever (27) protrudes into piston seat (2) and hand lever (27) bottom and dynamic iron core
(16) side wall offsets, and the 5th spring (28) is equipped between hand lever (27) and piston seat (2).
2. a kind of air-operated solenoid valve according to claim 1, it is characterised in that: rear cover (3) is solid by screw and valve body (1)
Fixed connection.
3. a kind of air-operated solenoid valve according to claim 1, it is characterised in that: it is equipped between rear cover (3) and valve body (1) close
Seal (29).
4. a kind of air-operated solenoid valve according to claim 1, it is characterised in that: electromagnetic coil (18) is equipped with terminal box
(30).
5. a kind of air-operated solenoid valve according to claim 1, it is characterised in that: it is additionally provided on static iron core (17) and plunger shaft
(6) exhaust passage (31) being connected to.
6. a kind of air-operated solenoid valve according to claim 1, it is characterised in that: exhaust passage (31) closes on dynamic iron core (16)
One end in silencing cotton is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821080723.7U CN208651305U (en) | 2018-07-09 | 2018-07-09 | A kind of air-operated solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821080723.7U CN208651305U (en) | 2018-07-09 | 2018-07-09 | A kind of air-operated solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651305U true CN208651305U (en) | 2019-03-26 |
Family
ID=65784057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821080723.7U Active CN208651305U (en) | 2018-07-09 | 2018-07-09 | A kind of air-operated solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651305U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043689A (en) * | 2019-04-30 | 2019-07-23 | 宁波索诺工业自控设备有限公司 | Safety-type reversing solenoid valve |
| CN110332169A (en) * | 2019-08-14 | 2019-10-15 | 广东明晖气动科技有限公司 | Air operated reversing valve |
| CN112460322A (en) * | 2021-01-11 | 2021-03-09 | 福鼎市鑫龙机械部件有限公司 | Slide valve control assembly, electromagnetic pulse valve using slide valve control assembly and working method |
| CN113653828A (en) * | 2021-08-30 | 2021-11-16 | 深圳市速牌科技有限公司 | Solenoid valve and method of assembling the same |
| CN113653828B (en) * | 2021-08-30 | 2024-05-03 | 深圳市速牌科技有限公司 | Solenoid valve and method of assembling the same |
-
2018
- 2018-07-09 CN CN201821080723.7U patent/CN208651305U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043689A (en) * | 2019-04-30 | 2019-07-23 | 宁波索诺工业自控设备有限公司 | Safety-type reversing solenoid valve |
| CN110043689B (en) * | 2019-04-30 | 2024-03-29 | 宁波索诺工业自控设备有限公司 | Safety reversing electromagnetic valve |
| CN110332169A (en) * | 2019-08-14 | 2019-10-15 | 广东明晖气动科技有限公司 | Air operated reversing valve |
| CN110332169B (en) * | 2019-08-14 | 2024-04-02 | 广东明晖气动科技有限公司 | Pneumatic reversing valve |
| CN112460322A (en) * | 2021-01-11 | 2021-03-09 | 福鼎市鑫龙机械部件有限公司 | Slide valve control assembly, electromagnetic pulse valve using slide valve control assembly and working method |
| CN113653828A (en) * | 2021-08-30 | 2021-11-16 | 深圳市速牌科技有限公司 | Solenoid valve and method of assembling the same |
| CN113653828B (en) * | 2021-08-30 | 2024-05-03 | 深圳市速牌科技有限公司 | Solenoid valve and method of assembling the same |
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