CN203431283U - Stuccoing electromagnetic valve - Google Patents
Stuccoing electromagnetic valve Download PDFInfo
- Publication number
- CN203431283U CN203431283U CN201320455418.2U CN201320455418U CN203431283U CN 203431283 U CN203431283 U CN 203431283U CN 201320455418 U CN201320455418 U CN 201320455418U CN 203431283 U CN203431283 U CN 203431283U
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- China
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- valve body
- stucco
- gas port
- valve
- electromagnetic valve
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- Expired - Fee Related
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Abstract
The utility model discloses a stuccoing electromagnetic valve. The stuccoing electromagnetic valve comprises an electric appliance plug, an electromagnetic valve body and a two-position three-way pre-control electromagnetic valve, wherein the electromagnetic valve body is also provided with an upper valve cover, a valve body and a lower valve cover; the electric appliance plug is connected with the two-position three-way pre-control electromagnetic valve through an electric wire, and thus the powering on and the powering off of the two-position three-way pre-control electromagnetic valve can be realized; and the two-position three-way pre-control electromagnetic valve is installed and fastened on the valve body through hexagon socket head cap screws. The stuccoing electromagnetic valve disclosed by the utility model is provided with a control piston and the two-position three-way pre-control electromagnetic valve, a small circular step of an outer cavity of the control piston is convenient for locating the control piston during running, and long-time powering on of the two-position three-way pre-control electromagnetic valve can be realized. When emergency brake is carried out by a railway vehicle, the stuccoing electromagnetic valve is powered on, an output port and an input port are switched on, automatic stuccoing can be carried out by a stuccoing control system, the adhesion coefficient of a wheel track can be increased, and a wheel can be prevented from sliding.
Description
Technical field
The utility model relates to stucco control technique field, is specifically related to a kind of stucco solenoid valve for rail vehicle stucco control system.
Background technique
The sanding gear of rail vehicle adopts manual stucco connection set to carry out stucco, in long-term using process due to the distortion of drive link and the deposition of dirt, cause vehicle after manual stucco, sandbox cannot return to original position, thereby causes the complete or stucco of hourglass in sandbox to spread the situations such as not in place.When locomotive runs into, have the gradient, moist section or the situation that runs into particularly urgent be while needing Emergency braking, sand in sandbox has leaked again or has spread not in place, like this locomotive that be to be in particular cases difficult to check in time car, so just to traffic safety, brought great hidden danger.
Adopt stucco control system, stucco connection set to rail vehicle is transformed, as the publication number Chinese utility model patent that is CN202764968U, a kind of railcar sanding gear that adopts stucco control system is disclosed, it comprises stucco control system, the airduct that connects wind regime, for controlling the cutout cock of airduct break-make, the stucco solenoid valve that is controlled by stucco control system, sandbox, sand sprayer, cutout cock, stucco solenoid valve is arranged on airduct, sand sprayer is located at the bottom of sandbox, the suction port of sand sprayer connects airduct, the sand inlet of sand sprayer is connected with the sand outlet of sandbox, the sand outlet of sand sprayer is connected with nozzle through sand pipe, nozzle is corresponding with plane of trajectory orbital, improve the adhesion coefficient between railcar wheel and rail, improved tractive force, the braking force of locomotive, prevented wheel-slip, improved vehicle operating Security.
For the stucco solenoid valve of stucco control system, the performance that need to have, is applicable to severe working environment, is convenient to install and use.
Model utility content
In order to solve the problems of the technologies described above, the utility model provides a kind of stucco solenoid valve for rail vehicle stucco control system, it has control piston and two-position three way pre-control solenoid valve, the location when small stair of control piston is convenient to its operation, two-position three way pre-control solenoid valve can be realized long-time energising.When rail vehicle is implemented emergency braking, stucco solenoid valve obtains electric, and delivery outlet and inlet opening conducting make stucco control system implement automatic stucco, have improved the adhesion coefficient of wheel track, to prevent wheel sliding.
To achieve these goals, the utility model adopts following technological scheme.
A solenoid valve, comprises appliance plug and electromagnetic valve body, and described electromagnetic valve body has bonnet, valve body, bottom flange.This stucco solenoid valve also comprises two-position three way pre-control solenoid valve; Described appliance plug is connected with described two-position three way pre-control solenoid valve by electric wire, realizes energising and power-off to two-position three way pre-control solenoid valve; Described two-position three way pre-control solenoid valve is installed and is fastened on valve body by the first hexagon socket cap head screw.
Preferably, bonnet and valve body are installed fixing by the second hexagon socket cap head screw.
In technique scheme, preferably, bottom flange and valve body are installed fixing by interior the second hexagonal cylindrical head screw.
In technique scheme, preferably, straight pin is inserted in valve body bottom, so that location gas port to be installed.
In technique scheme, preferably, valve body also comprises control piston, spring seat, valve, S gas port, O gas port, E gas port.
In technique scheme, preferably, control piston is positioned at valve body inner side, and the connection part of itself and valve body is provided with the first cylindroid helicalcoil compression spring.
In technique scheme, preferably, control piston is provided with ring-shaped step near valve body one side.
In technique scheme, preferably, spring seat is arranged on valve body inner side, and the connection part of itself and valve body is provided with the second cylindroid helicalcoil compression spring.
In technique scheme, preferably, valve is positioned at valve body inner side, and it contacts sealing with valve body.
In technique scheme, preferably, described S gas port, O gas port, E gas port are all positioned at valve body bottom.
In technique scheme, preferably, described S gas port is inlet opening.
In technique scheme, preferably, described O gas port is delivery outlet.
In technique scheme, preferably, described E gas port is relief opening.
In technique scheme, preferably, bonnet device has the first steel ball.
In technique scheme, preferably, valve means has the second steel ball.
In technique scheme, preferably, valve body and bonnet inner chamber link position are placed with an O RunddichtringO and the 5th O RunddichtringO.
In technique scheme, preferably, described valve body and bottom flange inner chamber link position are placed with the 5th O RunddichtringO.
In technique scheme, preferably, valve body and control piston exocoel link position are placed with the 3rd O RunddichtringO and the 2nd O RunddichtringO.
In technique scheme, preferably, described S gas port, O gas port, E gas port all overlap the 4th O RunddichtringO.
Stucco solenoid valve of the present utility model, comprises appliance plug, electromagnetic valve body, two-position three way pre-control solenoid valve, and electromagnetic valve body also has bonnet, valve body, bottom flange.Appliance plug is connected with two-position three way pre-control solenoid valve by electric wire, realizes energising and power-off to two-position three way pre-control solenoid valve; Two-position three way pre-control solenoid valve is installed and is fastened on valve body by hexagon socket cap head screw.
Stucco solenoid valve of the present utility model, has control piston and two-position three way pre-control solenoid valve, location when the annular small stair of control piston exocoel is convenient to its operation, and two-position three way pre-control solenoid valve can be realized long-time energising.When rail vehicle is implemented emergency braking, stucco solenoid valve obtains electric, and delivery outlet and inlet opening conducting make stucco control system implement automatic stucco, have improved the adhesion coefficient of wheel track, to prevent wheel sliding.
Stucco solenoid valve of the present utility model, for rail vehicle stucco control system, it has following characteristics:
A. latus rectum is larger, and overall dimensions is less, in usability, has larger advantage with installing;
B. under lowpressure, just delivery outlet can be realized and inlet opening is switched fast;
C. stucco solenoid valve can be switched on for a long time, and dustproof and waterproof ability is strong, and speed of response is very fast, under low voltage, just can now switch, and meets the usage requirement of locomotive sand-spraying system.
D. endurance life-span and high and low temperature resistance, meet the long-term use of locomotive sand-spraying system and the use under rugged environment
accompanying drawing explanation
Fig. 1 is according to the structural representation of a preferred embodiment of stucco solenoid valve of the present utility model;
Fig. 2 is to schematic diagram according to the A of preferred embodiment shown in Fig. 1 of stucco solenoid valve of the present utility model;
Reference character:
S: inlet opening O: delivery outlet E: relief opening
1: appliance plug 11: control piston
12: the three O-ring seals of 2: the first hexagon socket cap head screws
Within 3: the second, hexagon socket cap head screw 13: valve body
4: 14: the four O-ring seals of straight pin
5: two-position three way pre-control solenoid valve 15: valve
Within 6: the first, steel ball 16: spring seat
17: the second cylindroid helicalcoil compression springs of 7: the first O-ring seals
8: 18: the five O RunddichtringOs of bonnet
Within 9: the second, O-ring seals 19: bottom flange
20: the second steel balls of 10: the first cylindroid helicalcoil compression springs.
?
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only conduct demonstration and explain, the utility model is not done to any pro forma restriction.
As depicted in figs. 1 and 2, a kind of stucco solenoid valve, comprises appliance plug 1, electromagnetic valve body, two-position three way pre-control solenoid valve 5.Electromagnetic valve body has bonnet 8, valve body 13, bottom flange 19; Appliance plug 1 is connected with described two-position three way pre-control solenoid valve 5 by electric wire, to realize energising and the power-off to two-position three way pre-control solenoid valve; Two-position three way pre-control solenoid valve 5 is installed and is fastened on valve body 13 by the first hexagon socket cap head screw 2.
Wherein, bonnet 8 is installed and is fixed by the second hexagon socket cap head screw 3 with valve body 13, and bottom flange 19 and valve body 13 are installed fixing by the second hexagon socket cap head screw 3, and valve body 13 bottoms insertion straight pins 4, to install location gas port.Valve body 13 also comprises control piston 11, spring seat 16, valve 15, S gas port, O gas port, E gas port.Control piston 11 is positioned at valve body 13 inner sides, and the connection part of it and valve body 13 is provided with the first cylindroid helicalcoil compression spring 10, and control piston 11 is provided with ring-shaped step near valve body 13 1 sides.Spring seat 16 is arranged on valve body 13 inner sides, and the connection part of it and valve body 13 is provided with the second cylindroid helicalcoil compression spring 17.Valve 15 is positioned at valve body 13 inner sides, and it contacts sealing with valve body.S gas port, O gas port, E gas port are all positioned at valve body 13 bottoms, and S gas port is inlet opening, and O gas port is delivery outlet, and E gas port is relief opening.Bonnet 8 devices have the first steel ball 6, and valve body 13 devices have the second steel ball 20.Valve body 13 is placed with an O RunddichtringO 7 and the 5th O RunddichtringO 18 with bonnet 8 inner chamber link positions, and valve body 13 is also placed with the 5th O RunddichtringO 18 with bottom flange 19 inner chamber link positions.In addition, valve body 13 is placed with the 3rd O RunddichtringO 12 and the 2nd O RunddichtringO 9 with control piston 11 exocoel link positions.S gas port, O gas port, E gas port all overlap the 4th O RunddichtringO 14.
The annular small stair of control piston 11 exocoels has played the effect of positioning control piston 11 operations, control piston 11 lifting surface areas are much larger than the lifting surface area of valve 15, make under low pressure just can produce enough large pressure, overcome the elastic force of the first cylindroid helicalcoil compression spring 10 and the second cylindroid helicalcoil compression spring 17, realize and switching fast and fabulous sealing.
Two-position three way pre-control solenoid valve 5 can be realized long-time energising, can respond fast and fabulous sealing, and it is installed and be fastened on valve body 13 by the first hexagon socket cap head screw 2.
The second hexagon socket cap head screw 3 is for bonnet 8 and valve body 13 are installed fixedly, and fixedly bottom flange 19 and valve body 13.
On valve body 13, straight pin 4 is for location is installed, and can locate better gas port like this, has reduced the possibility that gas spills from gas port.
Spring seat 16 is for placing spring, and the first O-ring seals 7, the second O-ring seals 9, the 3rd O-ring seals 12, the 4th O-ring seals 14, the 5th O-ring seals 18 seal.
The first steel ball 6 and the second steel ball 20, for the sealing after bonnet 8 and valve body 13 processing.
In this embodiment, stucco solenoid valve has appliance plug, electromagnetic valve body, two-position three way pre-control solenoid valve, electromagnetic valve body also has bonnet, valve body, bottom flange, appliance plug is connected with two-position three way pre-control solenoid valve by electric wire, realizes energising and power-off to two-position three way pre-control solenoid valve; Two-position three way pre-control solenoid valve is installed and is fastened on valve body by hexagon socket cap head screw.Stucco solenoid valve has control piston and two-position three way pre-control solenoid valve, location when the annular small stair of control piston exocoel is convenient to its operation, and two-position three way pre-control solenoid valve can be realized long-time energising.When rail vehicle is implemented emergency braking, stucco solenoid valve obtains electric, and delivery outlet and inlet opening conducting make stucco control system implement automatic stucco, have improved the adhesion coefficient of wheel track, to prevent wheel sliding.Stucco solenoid valve is for rail vehicle stucco control system, and its latus rectum is larger, and overall dimensions is less, in usability, has larger advantage with installing; Under lowpressure, just delivery outlet can be realized and inlet opening is switched fast; And it can be switched on for a long time, dustproof and waterproof ability is strong, and speed of response is very fast, under low voltage, just can now switch, and meets the usage requirement of locomotive sand-spraying system; In addition, its endurance life-span and high and low temperature resistance, meet the long-term use of locomotive sand-spraying system and the use under rugged environment.
The working principle of this stucco solenoid valve is as follows:
In the present embodiment, for the stucco solenoid valve of rail vehicle stucco control system, its inlet opening and control mouthful are all by S gas port air feed;
In the present embodiment, for the stucco solenoid valve of rail vehicle stucco control system, its inlet opening and control mouthful are all to export by O gas port;
In the present embodiment, for the stucco solenoid valve of rail vehicle stucco control system, its inlet opening and control mouthful are all by the exhaust of E gas port.
For the stucco solenoid valve of rail vehicle stucco control system, it is when the starting stage: under the second cylindroid helicalcoil compression spring 17 effects, inlet opening S and output gas port O block; Under the first cylindroid helicalcoil compression spring 10 effects, output gas port O and relief opening E conducting.
Stucco solenoid valve for rail vehicle stucco control system, it is by switching on to two-position three way pre-control solenoid valve 5, S is inputted to the conductance of gas port to control piston 11, because control piston 11 lifting surface areas are much larger than valve 15 lifting surface areas, make just can produce enough large pressure under low pressure/high pressure, overcome the elastic force of the first cylindroid helicalcoil compression spring 10 and the second cylindroid helicalcoil compression spring 17.The annular small stair of control piston 11 contacts location with valve body 13, causes inputting gas port S and the conducting of output gas port O mouth, and makes to export gas port O and relief opening E blocks.
For the stucco solenoid valve of rail vehicle stucco control system, it,, by 5 power-off of two-position three way pre-control solenoid valve, by the pressurized air in control piston 11 chambeies, is discharged by the exhaust end of two-position three way pre-control solenoid valve 5.Valve 15, under the pressurized air and the second cylindroid helicalcoil compression spring 17 effects in S chamber, inlet opening, is realized inlet opening S and is blocked with output gas port O and fabulous sealing.Control piston 11, under the first cylindroid helicalcoil compression spring 10 effects, makes control piston 11 contact location with bonnet 8, causes exporting gas port O and relief opening E conducting.
The above is only that preferred implementation of the present utility model is described; not that scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineers and technicians in related domain make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (19)
1. a stucco solenoid valve, comprises appliance plug (1) and electromagnetic valve body, and described electromagnetic valve body has bonnet (8), valve body (13), bottom flange (19), it is characterized in that: it also comprises two-position three way pre-control solenoid valve (5); Described appliance plug (1) is connected with described two-position three way pre-control solenoid valve (5) by electric wire; Described two-position three way pre-control solenoid valve (5) is installed and is fastened on valve body (13) by the first hexagon socket cap head screw (2).
2. stucco solenoid valve as claimed in claim 1, is characterized in that: bonnet (8) is installed fixing with valve body (13) by the second hexagon socket cap head screw (3).
3. stucco solenoid valve as claimed in claim 1, is characterized in that: bottom flange (19) is installed fixing with valve body (13) by the second hexagon socket cap head screw (3).
4. stucco solenoid valve as claimed in claim 1, is characterized in that: straight pin (4) is inserted in valve body (13) bottom, so that location gas port to be installed.
5. stucco solenoid valve as claimed in claim 1, is characterized in that: valve body (13) also comprises control piston (11), spring seat (16), valve (15), S gas port, O gas port, E gas port.
6. stucco solenoid valve as claimed in claim 5, is characterized in that: control piston (11) is positioned at valve body (13) inner side, and the connection part of itself and valve body (13) is provided with the first cylindroid helicalcoil compression spring (10).
7. the stucco solenoid valve as described in claim 5 or 6, is characterized in that: control piston (11) is provided with ring-shaped step near valve body (13) one sides.
8. stucco solenoid valve as claimed in claim 5, is characterized in that: spring seat (16) is arranged on valve body (13) inner side, and the connection part of itself and valve body (13) is provided with the second cylindroid helicalcoil compression spring (17).
9. stucco solenoid valve as claimed in claim 5, is characterized in that: valve (15) is positioned at valve body (13) inner side, and it contacts sealing with valve body (13).
10. stucco solenoid valve as claimed in claim 5, is characterized in that: described S gas port, O gas port, E gas port are all positioned at valve body (13) bottom.
11. stucco solenoid valves as described in claim 5 or 10, is characterized in that: described S gas port is inlet opening.
12. stucco solenoid valves as described in claim 5 or 10, is characterized in that: described O gas port is delivery outlet.
13. stucco solenoid valves as described in claim 5 or 10, is characterized in that: described E gas port is relief opening.
14. stucco solenoid valves as claimed in claim 1, is characterized in that: bonnet (8) device has the first steel ball (6).
15. stucco solenoid valves as claimed in claim 1, is characterized in that: valve body (13) device has the second steel ball (20).
16. stucco solenoid valves as claimed in claim 1, is characterized in that: valve body (13) is placed with an O RunddichtringO (7) and the 5th O RunddichtringO (18) with bonnet (8) inner chamber link position.
17. stucco solenoid valves as claimed in claim 1, is characterized in that: described valve body (13) is placed with the 5th O RunddichtringO (18) with bottom flange (19) inner chamber link position.
18. stucco solenoid valves as claimed in claim 1, is characterized in that: valve body (13) is placed with the 3rd O RunddichtringO (12) and the 2nd O RunddichtringO (9) with control piston (11) exocoel link position.
19. stucco solenoid valves as claimed in claim 10, is characterized in that: described S gas port, O gas port, E gas port all overlap the 4th O RunddichtringO (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455418.2U CN203431283U (en) | 2013-07-30 | 2013-07-30 | Stuccoing electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455418.2U CN203431283U (en) | 2013-07-30 | 2013-07-30 | Stuccoing electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431283U true CN203431283U (en) | 2014-02-12 |
Family
ID=50060320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320455418.2U Expired - Fee Related CN203431283U (en) | 2013-07-30 | 2013-07-30 | Stuccoing electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315228B (en) * | 2014-09-30 | 2016-08-24 | 平原机器厂（新乡） | Guide's solenoid directional control valve |
| CN109424762A (en) * | 2017-08-31 | 2019-03-05 | 株式会社开滋Sct | The mounting structure of actuator solenoid valve and valve with actuator |
-
2013
- 2013-07-30 CN CN201320455418.2U patent/CN203431283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315228B (en) * | 2014-09-30 | 2016-08-24 | 平原机器厂（新乡） | Guide's solenoid directional control valve |
| CN109424762A (en) * | 2017-08-31 | 2019-03-05 | 株式会社开滋Sct | The mounting structure of actuator solenoid valve and valve with actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20200730 |