CN213176606U - Air spring with normally open solenoid valve - Google Patents
Air spring with normally open solenoid valve Download PDFInfo
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- CN213176606U CN213176606U CN202021339338.7U CN202021339338U CN213176606U CN 213176606 U CN213176606 U CN 213176606U CN 202021339338 U CN202021339338 U CN 202021339338U CN 213176606 U CN213176606 U CN 213176606U
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- air spring
- solenoid valve
- normally open
- iron core
- spring seat
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Abstract
The utility model discloses an air spring with normally open solenoid valve, including air spring seat of honour, air spring lower and connect gasbag between them, the air spring lower is seal structure, be equipped with the inside and outside air vent of intercommunication air spring lower on the terminal surface of air spring lower, the inside of air spring lower is equipped with the breather pipe, the bottom of air spring lower is equipped with normally open solenoid valve, and this normally open solenoid valve is two-way solenoid valves, an opening of normally open solenoid valve and the inside intercommunication of air spring lower, another opening is connected with the one end of breather pipe, the other end of breather pipe with the air vent is connected. The utility model discloses at two air chambers of the inside formation of air spring to there is the expert of two air chambers of special solenoid valve control to close, improved the governing speed to air spring.
Description
Technical Field
The utility model relates to an automotive suspension system field especially relates to an air spring with normally open solenoid valve.
Background
The automobile suspension system mainly comprises a spring, a shock absorber, a swing arm, a stabilizer bar and the like. The spring is used for preventing vibration generated by a road surface and wheel swing from being directly transmitted to a vehicle body, the spring plays a role in buffering impact, the vibration absorber can quickly attenuate the vibration of the spring, and the comprehensive characteristics of the spring and the vibration absorber determine the driving performance and the operating performance of the vehicle, so that the vehicle can ride comfortably, and the directional stability of the vehicle can be improved. In a traditional automobile suspension system, a steel spring is usually used as a spring, the rigidity of the steel spring is usually a fixed value, and the rigidity of the spring cannot be changed along with the change of the automobile condition, so that the riding comfort is greatly reduced, the contradiction can be well solved by using an active control suspension, the air spring is a core execution component of the active control suspension, and meanwhile, the air spring also has a lifting function for the automobile.
Because the automobile often and rapidly changes different driving modes in the driving process, and the corresponding air spring states in different driving modes are different, the air spring is required to immediately react to adapt to the rapid switching of the driving modes of the automobile, and the inflation and deflation speeds of the air pump and the electromagnetic valve on the air spring are limited to a certain extent, so that the adjustment speed of the air spring is limited.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an air spring with normally open solenoid valve has the advantage that can improve the governing speed to air spring.
The technical scheme of the utility model is that:
an air spring with a normally open electromagnetic valve comprises an air spring upper seat, an air spring lower seat and an air bag for connecting the air spring upper seat and the air spring lower seat, wherein the air spring lower seat is of a sealing structure, the end surface of the air spring lower seat is provided with a vent hole for communicating the inside and the outside of the air spring lower seat, a vent pipe is arranged inside the air spring lower seat, the bottom of the air spring lower seat is provided with the normally open electromagnetic valve which is a two-position two-way electromagnetic valve, one port of the normally open electromagnetic valve is communicated with the inside of the air spring lower seat, the other port of the normally open electromagnetic valve is connected with one;
normally open solenoid valve includes the solenoid valve shell, fixes quiet iron core, the activity in the solenoid valve shell and establishes moving iron core and connector plug in the solenoid valve shell, quiet iron core with move and be equipped with the coil between the iron core, the coil parcel has the coil overcoat, the one end of moving keeping away from quiet iron core of iron core is connected with the hood of shutoff breather pipe, it is equipped with the ring baffle to move the cover on the iron core, quiet iron core and the outside of moving the iron core are located the cover and are equipped with pagoda spring between the inner wall of ring baffle and solenoid valve shell.
The whole working principle of the automobile suspension system is as follows: an ECU controller in the automobile active control suspension sends an instruction to a suspension system through a core algorithm according to signals transmitted by a height sensor and an acceleration sensor, the air pressure and the height of an air spring are adjusted through the air pump and an electromagnetic valve, the rigidity and the height of the air spring are changed along with the change of the internal air pressure, and the ECU controls the air spring so that the automobile can be switched among a comfortable mode, a sport mode, a cross-country mode and a soft mode in the driving process, so that the riding comfort is improved, and the operation stability of the automobile is improved.
The working principle of the technical scheme is as follows:
the utility model discloses an among the air spring, air chamber and the air spring lower carriage of the inside air chamber that forms of gasbag form an air chamber, by the breather pipe intercommunication between two air chambers to set up the switching of normally open solenoid valve control, normally open solenoid valve circular telegram then closes the intercommunication between two air chambers. When the automobile driving mode is switched rapidly, the communication between the two air chambers can be closed, and the air pump and the electromagnetic valve only inflate and deflate the air chamber in the air bag, so that the adjusting speed of the air spring is greatly improved.
The utility model discloses a solenoid valve has good outside gas tightness and waterproof dustproof function, and the response is fast, long service life. The working principle is as follows: after the electromagnetic valve is electrified, the static iron core conducts magnetism to generate magnetic force to adsorb the movable iron core, the movable iron core moves downwards to close the valve, and the air passage channel is closed; when the electromagnetic valve is powered off, the static iron core has no magnetic force, the movable iron core is reset under the action of the spring force, the valve is opened, and the air passage forms a passage.
In a further technical scheme, two ports of the air bag are respectively connected with the upper air spring seat and the lower air spring seat through retaining rings, a plurality of tooth-shaped protrusions are respectively arranged at the joint of the upper air spring seat and the air bag and the joint of the lower air spring seat and the air bag, and the connection strength between the air bag and the upper and lower air spring seats can be improved and a good sealing effect can be ensured through the matching of a sawtooth structure formed by the retaining rings and the tooth-shaped protrusions.
In a further technical scheme, the height of the tooth-shaped bulges positioned in the middle part of all the tooth-shaped bulges is greater than the height of the tooth-shaped bulges positioned on the two sides; the retaining ring is provided with a groove matched with the tooth-shaped bulge located in the middle, and the buckling and pressing design of the air bag can ensure a very good sealing effect and can effectively prevent the retaining ring from falling off due to the fact that air pressure in the air spring is too large.
In a further technical scheme, a pressure retaining valve is arranged on the air spring upper seat.
The utility model has the advantages that:
1. the utility model discloses formed the inside air chamber of gasbag and the inside air chamber of air spring lower carriage two in with air spring, by breather pipe and a special normally open solenoid valve intercommunication between two air chambers, normally open solenoid valve circular telegram then closes the intercommunication between two air chambers. When the automobile driving mode is switched rapidly, the communication between the two air chambers can be closed, and the air pump and the electromagnetic valve only inflate and deflate the air chamber in the air bag, so that the adjusting speed of the air spring is greatly improved.
2. The connection strength between the air bag and the upper seat and the lower seat of the air spring can be improved through the matching of the sawtooth structures formed by the retaining ring and the tooth-shaped bulges, and a good sealing effect is ensured.
3. The buckling design of the air bag can ensure a good sealing effect and can effectively prevent the snap ring from falling off due to overlarge air pressure in the air spring.
Drawings
Fig. 1 is a schematic overall structure diagram of an air spring with a normally open solenoid valve according to an embodiment of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
Description of reference numerals:
1. a solenoid valve housing; 2. a stationary iron core; 3. an air spring upper seat; 4. a retaining ring; 5. an air bag; 6. a movable iron core; 7. a top cap; 8. an annular baffle; 9. an air spring lower seat; 10. a pagoda spring; 11. a breather pipe; 12. a normally open solenoid valve; 13. a retainer ring; 14. a pressure retaining valve.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1, an air spring with a normally open solenoid valve comprises an air spring upper seat 3, an air spring lower seat 9 and an air bag 5 connecting the air spring upper seat and the air spring lower seat, wherein the air spring lower seat 9 is of a sealing structure, a vent hole communicating the inside and the outside of the air spring lower seat 9 is formed in the end surface of the air spring lower seat 9, a vent pipe 11 is arranged inside the air spring lower seat 9, a normally open solenoid valve 12 is arranged at the bottom of the air spring lower seat 9, the normally open solenoid valve 12 is a two-position two-way solenoid valve, one port of the normally open solenoid valve 12 is communicated with the inside of the air spring lower seat 9, the other port is;
as shown in fig. 2, normally open solenoid valve 12 includes solenoid valve housing 1, fix quiet iron core 2 in solenoid valve housing 1, the activity is established moving iron core 6 and the connector plug in solenoid valve housing 1, quiet iron core 2 with move and be equipped with the coil between the iron core 6, the coil parcel has the coil overcoat, the one end of keeping away from quiet iron core 2 of moving iron core 6 is connected with top cap 7 of shutoff breather pipe 11, it is equipped with annular baffle 8 to move the cover on the iron core 6, quiet iron core 2 and the outside of moving iron core 6 are located the cover and are equipped with pagoda spring 10 between the inner wall of annular baffle 8 and solenoid valve housing 1.
The whole working principle of the automobile suspension system is as follows: an ECU controller in the automobile active control suspension sends an instruction to a suspension system through a core algorithm according to signals transmitted by a height sensor and an acceleration sensor, the air pressure and the height of an air spring are adjusted through the air pump and an electromagnetic valve, the rigidity and the height of the air spring are changed along with the change of the internal air pressure, and the ECU controls the air spring so that the automobile can be switched among a comfortable mode, a sport mode, a cross-country mode and a soft mode in the driving process, so that the riding comfort is improved, and the operation stability of the automobile is improved.
The working principle of the technical scheme is as follows:
the utility model discloses an among the air spring, 5 inside air chambers and the air spring lower base 9 that form of gasbag form an air chamber, by breather pipe 11 intercommunication between two air chambers to set up the switching of normally open solenoid valve 12 control, normally open solenoid valve 12 circular telegram then closes the intercommunication between two air chambers. When the automobile driving mode is switched rapidly, the communication between the two air chambers can be closed, and the air pump and the electromagnetic valve only inflate and deflate the air chamber inside the air bag 5, so that the adjusting speed of the air spring is greatly improved.
The utility model discloses a solenoid valve has good outside gas tightness and waterproof dustproof function, and the response is fast, long service life. The working principle is as follows: after the electromagnetic valve is electrified, the static iron core 2 conducts magnetism to generate magnetic force to adsorb the movable iron core 6, the movable iron core 6 moves downwards to close the valve, and the air passage channel is closed; when the electromagnetic valve is powered off, the static iron core 2 has no magnetic force, the movable iron core 6 is reset under the action of the spring force, the valve is opened, and the air passage forms a passage.
In another embodiment, as shown in fig. 1, two ports of the air bag 5 are respectively connected with the upper air spring seat 3 and the lower air spring seat 9 through retaining rings 4, a plurality of tooth-shaped protrusions are respectively arranged at the connection part of the upper air spring seat 3 and the air bag 5 and the connection part of the lower air spring seat 9 and the air bag 5, and the connection strength between the air bag 5 and the upper and lower air spring seats can be improved and a good sealing effect can be ensured through the matching of the sawtooth structures formed by the retaining rings 4 and the tooth-shaped protrusions.
In another embodiment, the height of the tooth-shaped bulge positioned in the middle of all the tooth-shaped bulges is greater than that of the tooth-shaped bulges positioned on both sides; the retaining ring 4 is provided with a groove matched with the tooth-shaped bulge positioned in the middle, and the buckling design of the air bag 5 can ensure a very good sealing effect and can effectively prevent the retaining ring 4 from falling off due to overlarge air pressure in the air spring.
In another embodiment, as shown in fig. 1, a pressure retaining valve 14 is provided on the air spring upper seat 3. In another embodiment, as shown in fig. 1, a retainer ring 13 is sleeved on the lower seat 9 of the air spring.
Claims (4)
1. An air spring with a normally open electromagnetic valve comprises an upper air spring seat, a lower air spring seat and an air bag for connecting the upper air spring seat and the lower air spring seat, and is characterized in that the lower air spring seat is of a sealing structure, the end surface of the lower air spring seat is provided with an air vent for communicating the inside and the outside of the lower air spring seat, a vent pipe is arranged inside the lower air spring seat, the bottom of the lower air spring seat is provided with the normally open electromagnetic valve which is a two-position two-way electromagnetic valve, one opening of the normally open electromagnetic valve is communicated with the inside of the lower air spring seat, the other opening of the normally open electromagnetic valve is connected with one end;
normally open solenoid valve includes the solenoid valve shell, fixes quiet iron core and the activity in the solenoid valve shell and establishes the iron core that moves in the solenoid valve shell, quiet iron core with move and be equipped with the coil between the iron core, the one end of moving the iron core of keeping away from quiet iron core is connected with the hood of shutoff breather pipe, it is equipped with the ring baffle to move the cover on the iron core, quiet iron core and the outside of moving the iron core are located the cover and are equipped with the pagoda spring between the inner wall of ring baffle and solenoid valve shell.
2. The air spring with the normally open electromagnetic valve according to claim 1, wherein two ports of the air bag are respectively connected with the upper air spring seat and the lower air spring seat through retaining rings, and a plurality of tooth-shaped protrusions are respectively arranged at the joint of the upper air spring seat and the air bag and the joint of the lower air spring seat and the air bag.
3. The air spring with the normally open solenoid valve as claimed in claim 2, wherein the height of the tooth-shaped protrusion located at the middle part of all the tooth-shaped protrusions is greater than the height of the tooth-shaped protrusions located at both sides; the retaining ring is provided with a groove matched with the tooth-shaped bulge positioned in the middle.
4. The air spring with the normally open solenoid valve as claimed in claim 3, wherein a pressure retaining valve is arranged on the upper seat of the air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021339338.7U CN213176606U (en) | 2020-07-09 | 2020-07-09 | Air spring with normally open solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021339338.7U CN213176606U (en) | 2020-07-09 | 2020-07-09 | Air spring with normally open solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176606U true CN213176606U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021339338.7U Active CN213176606U (en) | 2020-07-09 | 2020-07-09 | Air spring with normally open solenoid valve |
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| CN (1) | CN213176606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173046A (en) * | 2021-05-18 | 2021-07-27 | 贵州詹阳动力重工有限公司 | Horizontal adjusting device and wheeled multi-purpose machineshop car |
| CN114321251A (en) * | 2021-12-30 | 2022-04-12 | 浙江吉利控股集团有限公司 | Air spring assembly and automobile |
-
2020
- 2020-07-09 CN CN202021339338.7U patent/CN213176606U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173046A (en) * | 2021-05-18 | 2021-07-27 | 贵州詹阳动力重工有限公司 | Horizontal adjusting device and wheeled multi-purpose machineshop car |
| CN113173046B (en) * | 2021-05-18 | 2022-10-28 | 贵州詹阳动力重工有限公司 | Horizontal adjusting device and wheeled multi-purpose machineshop car |
| CN114321251A (en) * | 2021-12-30 | 2022-04-12 | 浙江吉利控股集团有限公司 | Air spring assembly and automobile |
| CN114321251B (en) * | 2021-12-30 | 2023-10-13 | 浙江吉利控股集团有限公司 | Air spring assembly and automobile |
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