CN217145566U - Damping air spring for passenger car and suspension thereof - Google Patents
Damping air spring for passenger car and suspension thereof Download PDFInfo
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- CN217145566U CN217145566U CN202123169043.7U CN202123169043U CN217145566U CN 217145566 U CN217145566 U CN 217145566U CN 202123169043 U CN202123169043 U CN 202123169043U CN 217145566 U CN217145566 U CN 217145566U
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Abstract
The utility model discloses a shock absorption air spring for a passenger car and a suspension thereof, which comprises an upper cylinder, a lower cylinder and an air spring, wherein the bottom of the upper cylinder is sleeved with an inner cavity of the lower cylinder, a piston cylinder and the air spring are arranged in the inner cavities of the upper cylinder and the lower cylinder, and the air spring is arranged on the piston cylinder; a damping auxiliary mechanism is arranged in an air bag of the air spring; the middle part of a shock attenuation complementary unit's a center section of thick bamboo is hollow structure, and the installation cavity of a center section of thick bamboo is provided with first spring, and the both ends of first spring are connected with the piston plate respectively, and one side that first spring was kept away from to the piston plate is provided with the piston axle, and two piston axles run through a center section of thick bamboo respectively to the correspondence is installed on piston cylinder, upper bracket, the utility model discloses a shock attenuation complementary unit who sets up can improve air spring's shock attenuation effect, and also will play the effect that fine resilience resets to the air spring.
Description
Technical Field
The utility model relates to an air spring technical field, concretely relates to a shock attenuation air spring for passenger train and suspension thereof.
Background
The air spring is a spring which is filled with compressed air in a telescopic closed container and utilizes the elastic action of the air;
chinese patent CN214984703U discloses an air bag suspension, which comprises a limit mechanism, a start mechanism, a standby shock absorption mechanism, an air spring and a shock absorber; the shock absorber comprises a cylinder body and a piston rod, the air spring comprises an upper support, an air bag and a lower support fixed on the upper part of the cylinder body, the standby shock absorption mechanism comprises a positioning ring and a standby spring which are sleeved on the cylinder body, the lower end of the limiting mechanism is connected to the mounting plate, the upper end of the limiting mechanism is connected with the positioning ring in a clamping mode, and the standby spring is in a compressed state; the upper end of the starting mechanism is connected to the upper bracket, and when the air bag is compressed to the limit compression height of the air bag, the lower end of the starting mechanism enables the positioning ring to move upwards through the limiting mechanism and enables the positioning ring to be abutted against the lower end of the starting mechanism;
the conventional air spring shock absorber is too simple in structure, poor in stability and poor in shock absorption performance, and cannot meet the shock absorption requirement of a driver in the driving process, so that the driving experience of the driver is poor, and the fatigue feeling is increased; and the existing air spring shock absorber has the problems of single structure, and easy reduction of flexibility and rebound resilience of the device after long-time use.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above problems of the prior art and provide a damping air spring for a passenger car and a suspension thereof; through the shock attenuation complementary unit who sets up, can improve air spring's shock attenuation effect to also will play the effect that fine resilience resets to air spring.
The purpose of the utility model can be realized by the following technical scheme:
a shock attenuation air spring and suspension thereof for passenger train includes upper cylinder, lower cylinder, air spring:
the bottom of the upper cylinder is sleeved with an inner cavity of the lower cylinder, a piston cylinder and an air spring are arranged in the inner cavities of the upper cylinder and the lower cylinder, and the air spring is arranged on the piston cylinder;
a damping auxiliary mechanism is arranged in an air bag of the air spring; the center cylinder of the damping auxiliary mechanism is of a hollow structure, a first spring is arranged in the middle of an installation cavity of the center cylinder, two ends of the first spring are respectively connected with a piston plate, one side, far away from the first spring, of the piston plate is provided with a piston shaft, and the two piston shafts respectively penetrate through the center cylinder and are correspondingly installed on a piston cylinder and an upper support.
As a further aspect of the present invention: the shock absorption auxiliary mechanism is provided with a plurality of groups along the piston rod annular array.
As a further aspect of the present invention: the piston cylinder is positioned on the inner wall of the bottom surface of the lower cylinder.
As a further aspect of the present invention: the top of the upper cylinder is provided with an upper bracket, and the bottom of the lower cylinder is provided with a lower bracket.
As a further aspect of the present invention: the top of the air bag of the air spring is sleeved with an upper fixing sleeve, and the bottom of the air bag is sleeved with a lower fixing sleeve.
As a further aspect of the present invention: the upper fixing sleeve is arranged on the upper bracket, and the lower fixing sleeve is arranged on the piston cylinder.
As a further aspect of the present invention: the piston shaft is sleeved with a second spring, one end of the second spring is connected with the outer wall of the central cylinder, and the other end of the second spring is connected with the corresponding piston cylinder and the upper bracket respectively.
The utility model has the advantages that:
the utility model is provided with an air spring in the suspension, and then a plurality of damping auxiliary mechanisms are respectively arranged in the basis of the air spring in an annular array mode; the damping auxiliary mechanism can improve the damping effect of the air spring through the matching of the first spring and the two second springs, and can also play a good rebound resetting effect on the air spring; the whole structure of the damping auxiliary mechanism plays a role in supporting the air spring; the problems that the structure of the existing air spring shock absorber is too simple, the stability is poor, the shock absorption performance is weak, and the flexibility and resilience of the device are easily reduced after the existing air spring shock absorber is used for a long time are effectively solved.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the shock-absorbing auxiliary mechanism of the present invention.
In the figure: 1. an upper cylinder; 2. a lower cylinder; 3. an upper bracket; 4. an air spring; 5. a piston cylinder; 6. a shock-absorbing auxiliary mechanism; 7. a central barrel; 8. a first spring; 9. a piston plate; 10. a piston shaft; 11. a second spring; 12. a mounting cavity; 13. fixing a sleeve; 14. a lower fixing sleeve; 15. and a lower bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention relates to a damping air spring for a passenger car and a suspension thereof, which includes an upper cylinder 1, a lower cylinder 2, and an air spring 4;
the bottom of the upper cylinder 1 is sleeved with a lower cylinder 2, the upper cylinder 1 can move up and down along the inner wall of the lower cylinder 2, a piston cylinder 5 and an air spring 4 are arranged in the inner cavities of the upper cylinder 1 and the lower cylinder 2, the piston cylinder 5 is arranged on the inner wall of the bottom surface of the lower cylinder 2, and the air spring 4 is arranged on the piston cylinder 5;
wherein, the top of the upper cylinder 1 is provided with an upper bracket 3, and the bottom of the lower cylinder 2 is provided with a lower bracket 15; the suspension is correspondingly arranged on the body of the passenger car through an upper bracket 3 and a lower bracket 15; the piston cylinder 5 is connected with a piston rod, and the top end of the piston rod is connected with the upper bracket 3;
when the suspension is in use, when the suspension is in compression deformation, the upper cylinder 1 moves downwards along the lower cylinder 2, so that the piston cylinder 5 works correspondingly, and meanwhile, the air spring 4 is driven to deform, so that the effect of damping and buffering is achieved;
referring to fig. 2, the air spring 4 includes an air bag, an upper fixing sleeve 13 and a lower fixing sleeve 14, the upper fixing sleeve 13 is sleeved on the top end of the air bag, and the lower fixing sleeve 14 is sleeved on the bottom end of the air bag;
wherein, the upper fixing sleeve 13 is arranged on the upper bracket 3, and the lower fixing sleeve 14 is arranged on the piston cylinder 5, so that the air spring 4 has the advantage of convenient installation;
referring to fig. 3, a plurality of damping auxiliary mechanisms 6 are arranged in the air bag, and the damping auxiliary mechanisms 6 are arranged in an annular array along the piston rod; the damping auxiliary mechanism 6 comprises a central cylinder 7, a first spring 8, a piston plate 9, a piston shaft 10, a second spring 11 and an installation cavity 12, wherein the central cylinder 7 is arranged between an upper fixing sleeve 13 and a lower fixing sleeve 14, the central cylinder 7 is of a hollow structure, the installation cavity 12 is arranged in the central cylinder 7, the first spring 8 is arranged in the middle of the installation cavity 12, two ends of the first spring 8 are respectively connected with the piston plate 9, the piston plate 9 is in sliding connection with the inner wall of the installation cavity 12, the piston shaft 10 is arranged on one side, away from the first spring 8, of the piston plate 9, the piston shaft 10 penetrates through the central cylinder 7 and is in sliding connection with the central cylinder 7, and one end, away from the piston plate 9, of the piston shaft 10 is correspondingly arranged on the piston cylinder 5 and the upper support 3 respectively;
a second spring 11 is sleeved on the piston shaft 10, one end of the second spring 11 is connected with the outer wall of the central cylinder 7, and the other end of the second spring 11 is respectively connected with the corresponding piston cylinder 5 and the upper bracket 3;
when the air spring 4 works due to deformation and plays a role in buffering and damping, the damping auxiliary mechanism 6 arranged on the air spring also works along with the deformation, specifically, the upper piston shaft 10 and the lower piston shaft 10 move close to each other, the two piston plates 9 move along with the mutual approach and compress the first spring 8, and meanwhile, the second springs 11 on the upper side and the lower side also deform, so that the damping auxiliary mechanism 6 can improve the damping effect of the air spring 4 through the matching between the first spring 8 and the two second springs 11, and also has a good rebound resetting effect on the air spring 4; and the whole structure of the auxiliary damping mechanism 6, and the air spring 4 is supported.
The utility model discloses a theory of operation: when the suspension is compressed and deformed, the upper cylinder 1 moves downwards along the lower cylinder 2, so that the piston cylinder 5 works correspondingly, and meanwhile, the air spring 4 is driven to deform, so that the damping and buffering effects are achieved; further, when the air spring 4 deforms to work and plays a role in buffering and damping, the damping auxiliary mechanism 6 arranged on the air spring also works along with the work, specifically, the upper piston shaft 10 and the lower piston shaft 10 move close to each other, the two piston plates 9 move along with the mutual close to each other and compress the first spring 8, and meanwhile, the second springs 11 on the upper side and the lower side also deform, so that the damping auxiliary mechanism 6 can improve the damping effect of the air spring 4 through the matching between the first spring 8 and the two second springs 11.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.
Claims (7)
1. A shock attenuation air spring and suspension for passenger train is characterized in that, includes upper cylinder (1), lower cylinder (2), air spring (4):
the bottom of the upper cylinder (1) is sleeved with the lower cylinder (2), the inner cavities of the upper cylinder (1) and the lower cylinder (2) are provided with a piston cylinder (5) and an air spring (4), and the air spring (4) is positioned on the piston cylinder (5);
a damping auxiliary mechanism (6) is arranged in an air airbag of the air spring (4); a central cylinder (7) of the damping auxiliary mechanism (6) is of a hollow structure, a first spring (8) is arranged in an installation cavity (12) of the central cylinder (7), two ends of the first spring (8) are respectively connected with a piston plate (9), a piston shaft (10) is arranged on one side, away from the first spring (8), of the piston plate (9), and the two piston shafts (10) respectively penetrate through the central cylinder (7) and are correspondingly installed on a piston cylinder (5) and an upper support (3).
2. A damping air spring for passenger cars and its suspension according to claim 1, characterized in that the damping aid (6) is provided with several groups along the piston rod annular array of piston cylinders (5).
3. A shock absorbing air spring for passenger car and its suspension according to claim 1, characterized in that the piston cylinder (5) is located on the bottom inner wall of the lower cylinder (2).
4. A shock absorbing air spring for passenger car and its suspension according to claim 1, characterized in that the upper support (3) is provided on the top of the upper cylinder (1) and the lower support (15) is provided on the bottom of the lower cylinder (2).
5. A shock absorbing air spring and its suspension for passenger car according to claim 1, characterized in that the top end of the air bag of the air spring (4) is sleeved with an upper fixing sleeve (13), and the bottom end of the air bag is sleeved with a lower fixing sleeve (14).
6. A shock absorbing air spring for passenger cars and its suspension as claimed in claim 5, characterized in that the upper fixing sleeve (13) is mounted on the upper bracket (3) and the lower fixing sleeve (14) is mounted on the piston cylinder (5).
7. A shock absorbing air spring for passenger car and its suspension according to claim 1, characterized in that the second spring (11) is sleeved on the piston shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169043.7U CN217145566U (en) | 2021-12-16 | 2021-12-16 | Damping air spring for passenger car and suspension thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169043.7U CN217145566U (en) | 2021-12-16 | 2021-12-16 | Damping air spring for passenger car and suspension thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217145566U true CN217145566U (en) | 2022-08-09 |
Family
ID=82683785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123169043.7U Active CN217145566U (en) | 2021-12-16 | 2021-12-16 | Damping air spring for passenger car and suspension thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217145566U (en) |
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2021
- 2021-12-16 CN CN202123169043.7U patent/CN217145566U/en active Active
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