CN202708268U - Two-port two-position solenoid valve - Google Patents
Two-port two-position solenoid valve Download PDFInfo
- Publication number
- CN202708268U CN202708268U CN 201220337587 CN201220337587U CN202708268U CN 202708268 U CN202708268 U CN 202708268U CN 201220337587 CN201220337587 CN 201220337587 CN 201220337587 U CN201220337587 U CN 201220337587U CN 202708268 U CN202708268 U CN 202708268U
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- cylinder
- piston
- mouthfuls
- solenoid valves
- valve body
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Abstract
The utility model relates to a two-port two-position solenoid valve and aims to provide the two-port two-position solenoid valve controlled through the connection/disconnection of an electrical signal. The two-port two-position solenoid valve comprises a valve body and a cylinder, wherein the valve body is respectively provided with an inlet, an outlet and a moveable valve core; a sliding piston is arranged in the cylinder; a piston rod for forcing the valve core to move so as to open/close a channel between the inlet and the outlet is connected with the center of the piston; a guiding air port is arranged on an outer wall of the cylinder; the guiding air port is communicated with a cylinder air-chamber through a guiding air channel therebetween; a solenoid coil is connected with the cylinder; a sliding valve rod controlled by the connection/disconnection of electromagnetism is arranged in the solenoid coil; and a sealing component for opening/closing the guiding air channel by sliding the valve rod is arranged at one end of the valve rod. The two-port two-position solenoid valve has the beneficial effects: the control for the solenoid valve is realized through the connection/disconnection of the electrical signal, and the two-port two-position solenoid valve is suitable for the pneumatic field.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to two mouthfuls of two solenoid valves of a kind of leading type.
Background technique
Two mouthfuls of two solenoid valves now are widely used in pneumatic field.
Chinese patent notification number CN201335155Y discloses a kind of separate assembling 2/2-way Pneumatic valve, comprise cylinder and valve body, be provided with piston in the described cylinder, the center of described piston connects piston rod, described piston-rod lower end is provided with spool, described cylinder sidewall is provided with the gas control interface, described valve body two ends are respectively equipped with inlet union and outlet connection, passage is separated by the valve plate that is fixed in described body cavity between described inlet union and the outlet connection, the described body cavity at position is provided with the valve port of level between described valve plate and the described outlet connection, the lower end of described cylinder is provided with the lower cover with described cylinder inner wall sealing, described lower cover center is established through hole and is extended down in the described valve body for described piston rod, described valve body top is fixedly connected with valve gap, and described cylinder connects described valve gap.This separate assembling 2/2-way Pneumatic valve is to adopt in the both sides of piston the gas control interface to be set respectively, thereby comes control piston to move the break-make that realizes valve body import and outlet by air-flow, and can't control by the electrical signal break-make.
Summary of the invention
The purpose of this utility model is to provide a kind of two mouthfuls of two solenoid valves can controlling by the electrical signal break-make, to solve the problem that exists in the background technique.
To achieve these goals, the technical solution of the utility model is: a kind of two mouthfuls of two solenoid valves, comprise valve body and cylinder, described valve body is respectively equipped with import, outlet and spool movably, be provided with slidably piston in the cylinder, thereby being connected with, the center of piston can oppress the piston rod that spool moves passage between realization switching import and the outlet, described cylinder outer wall is provided with pilot 3-port transfer, this pilot 3-port transfer and the cylinder air chamber first air guide channel connection by being provided with between the two, be connected with electromagnetic coil on the described cylinder, be provided with the slidably valve rod that is subjected to the control of electromagnetism break-make in the electromagnetic coil, thereby an end of valve rod is provided with the Sealing of realizing opening and closing described guide's gas passage because of valve stem slides.The mentality of designing of this technological scheme is: the Sealing that is subjected to the control of electromagnetic coil break-make formerly is set on the air guide channel, utilize Sealing to realize the break-make of first air guide passage, thereby the import of control solenoid valve and the break-make of outlet so just can realize by the electrical signal break-make control of solenoid valve.
As preferably, described spool bottom surface is provided with the little step trough of the large inner chamber of exocoel, is surrounded by sealing gasket in the described exocoel, is provided with the damping spring that sealing gasket is applied elastic force in the inner chamber.Damping spring can play to sealing gasket the effect of buffering, improves the working life of sealing gasket.
As preferably, be provided with cavity volume in the described valve body, be respectively equipped with import and the outlet that is communicated with cavity volume on two outer walls of valve body, and outlet is oppositely arranged in the bottom surface of the opening up and sealing gasket at cavity volume place.
As preferably, be provided with spacer between the described cylinder and piston bar, the cavity volume inwall in described spacer outer wall and cylinder inner wall, the valve body is adaptive, the setting of sliding in the spacer center hole of described spool.Cavity volume in the air chamber of piston and the valve body uses spacer to separate.
As preferably, be provided with seal ring between described spacer outer wall and the cylinder inner wall, be provided with seal ring between described spacer inwall and the piston rod, be provided with seal ring between described spacer outer wall and the valve body.
As preferably, described pilot 3-port transfer is communicated to the air chamber between piston and the spacer.
As preferably, be provided with the first spring that piston is applied downward force between the upper end of described piston and the cylinder air chamber inwall.
As preferably, be provided with the second spring that spool is applied upward force between the lower end of described spool and the valve body chamber wall, the first spring is larger than the elastic force of the second spring.The spring of piston upper end and the spring of spool lower end can make Sealing reset rapidly sensitive reversing; Because the first spring is larger than the elastic force of the second spring, so the original state lower valve core is depressed and makes solenoid valve be in closed condition.
As preferably, described cylinder is provided with pressure relief opening, and this pressure relief opening is communicated with the cylinder air chamber of piston upside.If there is not this pressure relief opening, gas can't release and will cause piston to move difficulty, so offer this pressure relief opening pressure release.
As preferably, be provided with baffler in the described pressure relief opening.
The beneficial effect of two mouthfuls of two solenoid valves of the utility model is: realize the control of solenoid valve by the electrical signal break-make.
Description of drawings
Fig. 1 is a kind of structural representation of two mouthfuls of two solenoid valves of the utility model;
Fig. 2 is the side view of two mouthfuls of two solenoid valves of the utility model.
Number in the figure is respectively: 10. valve body 11. imports 12. outlets 13. spools 14. sealing gaskets 15. damping springs 20. cylinders 21. pistons 22. piston rods 23. pilot 3-port transfers 24. first springs 25. pressure relief openings 26. bafflers 27. second springs 30. guide bodies 40. electromagnetic coils 41. Sealings 50. spacers.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is further described specifically below by embodiment.
Embodiment:
A kind of two mouthfuls of two solenoid valves, as depicted in figs. 1 and 2, comprise valve body 10, cylinder 20, guiding body 30 and electromagnetic coil 40, valve body 10 and cylinder 20, guiding body 30 is bolt and connects, described valve body 10 is provided with cavity volume, be provided with spool 13 in the cavity volume, spool 13 bottom surfaces are provided with the little step trough of the large inner chamber of exocoel, be surrounded by rubber gasket 14 in the described exocoel, be provided with the damping spring 15 that sealing gasket 14 is applied elastic force in the inner chamber, be respectively equipped with the import 11 and the outlet 12 that are communicated with cavity volume on two outer walls of valve body 10, and export 12 and be oppositely arranged in the bottom surface of the opening up and sealing gasket 14 at cavity volume place.
Be provided with slidably piston 21 in the cylinder 20, the center of piston 21 is connected with piston rod 22, the upper-end surface of the lower end surface of piston rod 22 and spool 13 is oppositely arranged, be provided with the first spring 24 that piston is applied downward force between the upper end of described piston 21 and the cylinder air chamber inwall, be provided with between the lower end of described spool 13 and valve body 10 chamber wall that spool 13 is applied the elastic force of the second spring 27, the first springs 24 to the second springs 27 of upward force is large.
Be arranged with spacer 50 between described cylinder 20 and the piston rod 22, internal diameter, the cavity volume internal diameter on the valve body 10 of the external diameter of spacer 50 and cylinder 20 are adaptive, and described spool 13 is in spacer 50 interior slip settings.Be provided with seal ring between described spacer 50 outer walls and cylinder 20 inwalls, be provided with seal ring between spacer 50 inwalls and the piston rod 21, be provided with seal ring between spacer 50 outer walls and the valve body 10, described cylinder 20 outer walls are provided with pilot 3-port transfer 23, pilot 3-port transfer 23 is communicated to the air chamber between piston 21 and the spacer 50, and in order to process pilot air through the convenience of passage, be connected with guiding body 30 at cylinder 20, at guiding body 30 interior cross machine passages, and in guiding body 30 and processing vertical passageway, cylinder 20 relevant positions, cylinder 20 engages with guiding body 30 and forms first air guide passage.Be provided with the slidably valve rod that is subjected to the control of electromagnetism break-make in the electromagnetic coil 40, thereby an end of valve rod is provided with the Sealing 41 of realizing opening and closing described guide's gas passage because of valve stem slides.
Also be provided with pressure relief opening 25 on the described cylinder 20, this pressure relief opening 25 is communicated with the air chamber of piston 21 upsides, for dustproof and noise reduction, is plugged with baffler 26 in pressure relief opening 25.
The working principle of these two mouthfuls of two solenoid valves is as follows:
When electromagnetic coil 40 is not switched on, first air guide pathway closure, piston 21 downside air chambers are air feed not, piston 21 upper ends the first spring 24 power are greater than the second spring of spool 13 lower ends, sealing gasket 14 seals up the opening of outlet 12 in valve body 10 cavity volumes, and then import 11 is not communicated with this closed condition with outlet 12;
During electromagnetic coil 40 energising, elder generation's air guide passage is opened, gas enters air chamber between piston 21 and the spacer 50 via passage, pushing piston 21 and driving on the piston rod 22 moves, spool 13 is subjected to move on the spring force, sealing gasket 14 breaks away from the opening of outlet 12 in valve body 10 cavity volumes, and then import 11 is communicated with this open mode with outlet 12.
Above-mentioned described specific embodiment only is that the preferable examples explanation is done in design of the present utility model.All any modifications of making within spirit of the present utility model and principle or replenish or be equal to alternatively all should be included within the protection domain of the utility model claim.
Claims (10)
1. two mouthfuls of two solenoid valves, comprise valve body (10) and cylinder (20), described valve body (10) is respectively equipped with import (11), outlet (12) and spool (13) movably, be provided with slidably piston (21) in the cylinder (20), the center of piston (21) is connected with can oppress spool (13) thereby the mobile piston rod (22) of realizing opening and closing passage between import (11) and the outlet (12), it is characterized in that: described cylinder (20) outer wall is provided with pilot 3-port transfer (23), this pilot 3-port transfer (23) and the first air guide channel connection of cylinder (20) air chamber by being provided with between the two, be connected with electromagnetic coil (40) on the described cylinder (20), be provided with the slidably valve rod that is subjected to the control of electromagnetism break-make in the electromagnetic coil (40), thereby an end of valve rod is provided with the Sealing (41) of realizing opening and closing described guide's gas passage because of valve stem slides.
2. according to claim 1 two mouthfuls of two solenoid valves, it is characterized in that: described spool (13) bottom surface is provided with the little step trough of the large inner chamber of exocoel, be surrounded by sealing gasket (14) in the described exocoel, be provided with the damping spring (15) that sealing gasket (14) is applied elastic force in the inner chamber.
3. according to claim 2 two mouthfuls of two solenoid valves, it is characterized in that: described valve body is provided with cavity volume in (10), be respectively equipped with the import (11) and the outlet (12) that are communicated with cavity volume on two outer walls of valve body, and outlet (12) is oppositely arranged in the bottom surface of the opening up and sealing gasket (14) at cavity volume place.
4. according to claim 3 two mouthfuls of two solenoid valves, it is characterized in that: be provided with spacer (50) between described cylinder (20) and the piston rod (22), cavity volume inwall in described spacer (50) outer wall and cylinder (20) inwall, the valve body (10) is adaptive, described spool (13) setting of sliding in spacer (50) center hole.
5. according to claim 4 two mouthfuls of two solenoid valves, it is characterized in that: be provided with seal ring between described spacer (50) outer wall and cylinder (20) inwall, be provided with seal ring between described spacer (50) inwall and the piston rod (22), be provided with seal ring between described spacer (50) outer wall and the valve body (10).
6. according to claim 1 to 5 each described two mouthfuls of two solenoid valves, it is characterized in that: described pilot 3-port transfer (23) is communicated to the air chamber between piston (21) and the spacer (50).
7. according to claim 1 to 5 each described two mouthfuls of two solenoid valves, it is characterized in that: be provided with the first spring (24) that piston (21) is applied downward force between the upper end of described piston (21) and cylinder (20) the air chamber inwall.
8. according to claim 7 two mouthfuls of two solenoid valves, it is characterized in that: be provided with the second spring (27) that spool (13) is applied upward force between the lower end of described spool (13) and valve body (10) chamber wall, the first spring (24) is larger than the elastic force of the second spring (27).
9. according to claim 8 two mouthfuls of two solenoid valves, it is characterized in that: described cylinder (20) is provided with pressure relief opening (25), and this pressure relief opening (25) is communicated with cylinder (20) air chamber of piston (21) upside.
10. according to claim 9 two mouthfuls of two solenoid valves is characterized in that: be provided with baffler (26) in the described pressure relief opening (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337587 CN202708268U (en) | 2012-07-13 | 2012-07-13 | Two-port two-position solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337587 CN202708268U (en) | 2012-07-13 | 2012-07-13 | Two-port two-position solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708268U true CN202708268U (en) | 2013-01-30 |
Family
ID=47588574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337587 Expired - Lifetime CN202708268U (en) | 2012-07-13 | 2012-07-13 | Two-port two-position solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100758A (en) * | 2014-06-13 | 2014-10-15 | 苏州固基电子科技有限公司 | Two-position two-way solenoid valve |
| CN112135994A (en) * | 2018-05-21 | 2020-12-25 | 阿尔托大学基金会 | On/off hydraulic valve |
-
2012
- 2012-07-13 CN CN 201220337587 patent/CN202708268U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100758A (en) * | 2014-06-13 | 2014-10-15 | 苏州固基电子科技有限公司 | Two-position two-way solenoid valve |
| CN112135994A (en) * | 2018-05-21 | 2020-12-25 | 阿尔托大学基金会 | On/off hydraulic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |