Air spring damping device

Abstract

The utility model relates to the technical field of air springs, and discloses an air spring damping device which comprises a fastening assembly and a spherical hinge rod, a connecting base is fixedly installed on the top of the fastening assembly, and a connecting plate is fixedly installed on the side, away from the fastening assembly, of the connecting base. And a lower mounting seat is fixedly mounted on the other side, far away from the connecting seat, of the connecting plate. According to the air spring damping device, through the design of the air spring assembly, the first interlayer is made of a carbon fiber reinforced composite material, has extremely high strength and rigidity and can provide additional support and protection for the inner air bag, meanwhile, the second interlayer is made of a polyurethane material, has good sealing performance and abrasion resistance and can prevent leakage of the inner air bag, and the service life of the air spring damping device is prolonged. The practicability of the whole air spring assembly can be improved, only the inner layer structure is changed, the whole capacity of the whole damping spring is not affected, through cooperation of the spherical hinge rod and the damper, the spherical hinge rod can freely rotate at different angles to adapt to various working environments, and the diversity of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring technical field, concretely is an air spring damping device. BACKGROUND

[0002] With the sustained evolution of modern industry, the automobile industry and the medical industry have continuously climbed the requirements for technology. In the automobile field, people have higher expectations for the comfort, safety and control performance of the vehicle. In the face of complex road conditions and different load conditions, in order to give passengers a more comfortable riding experience, air spring damping devices are often used, which can effectively reduce the shaking of the car. In the medical industry, many precision instruments and equipment will produce vibration during operation. In order to avoid the influence of vibration on the accuracy and stability of the equipment, air spring damping devices also play an important role.

[0003] Chinese utility model patent publication No. CN214888564U discloses an air spring damping assembly, which is provided with a protective ring, a supporting ring, a limiting cylinder and a protective inner cylinder. The protective inner cylinder and the protective outer cylinder can protect the air bag and the piston from being damaged by external substances (such as stones), ensuring the normal use of the air spring. At the same time, under the action of the compression spring, the protective inner cylinder and the protective outer cylinder can be supported, improving the protection strength. However, although the air spring damping assembly is designed with protective inner and outer cylinders, it is easy to limit the capacity of the air spring. In addition, the assembly does not design a sealing structure, which is easy to cause the inner air bag to leak, thereby affecting the normal use of the overall device. Furthermore, the air spring damping assembly also does not design a quick installation structure, which is easy to make it have great limitations during installation, making it inconvenient to install quickly. SUMMARY

[0004] The utility model solves the technical problem that the air spring capacity is easily limited in the prior art, and the sealing structure is not designed, which also easily causes the inner air bag to leak, affecting the normal use of the overall device. The air spring damping assembly does not design a quick installation structure, which is easy to cause great limitations during installation, making it inconvenient to install quickly.

[0005] The utility model discloses a technical scheme adopted is: a kind of air spring damping device, including fastening assembly and ball hinge rod, the fastening assembly top is fixedly installed with connecting seat, the connecting seat is fixedly installed with connecting plate on the side away from fastening assembly, the other side of connecting plate away from connecting seat is fixedly installed with lower mounting seat, the lower mounting seat top is equipped with positioning hole, the other end of ball hinge rod away from lower mounting seat is fixedly installed with shock absorber, recess one is equipped in shock absorber inside, connecting rod one is slidably connected in shock absorber inside, positioning bolt is threadedly connected in mounting hole inside, shock absorber top is provided with air spring assembly, the top of air spring assembly is fixedly installed with top cover, the top of top cover is provided with air inlet pipe, the side of air inlet pipe is provided with air outlet pipe, connecting rod two is fixedly installed in air spring assembly inside.

[0006] Preferably, the fastening assembly includes an upper mounting plate, one side of the upper mounting plate is threadedly connected with a long bolt one, the other end of the long bolt one away from the upper mounting plate is threadedly connected with a lower mounting plate.

[0007] Through the above technical scheme, by the design of fastening assembly, when installing the overall device, the upper mounting plate can be placed on the top of the installation position first, then the lower mounting plate is clamped into the bottom of the installation position, and then the long bolt one is used to connect the upper mounting plate and the lower mounting plate, to realize the quick installation of the overall device, which can firmly fix the damping device at the required position, ensures that it will not loosen or fall off during work, and improves the stability of the device.

[0008] Preferably, the air spring assembly includes an outer shell, the inner side of the outer shell is provided with a first interlayer and a second interlayer, the inner side of the outer shell is provided with an inner air bag, the first interlayer is made of carbon fiber reinforced composite material, and the second interlayer is made of polyurethane material.

[0009] Through the above technical scheme, by the design of air spring assembly, the first interlayer is made of carbon fiber reinforced composite material, which has very high strength and rigidity, and can provide additional support and protection for the inner air bag, while the second interlayer is made of polyurethane material, which has good sealing performance and wear resistance, can prevent the inner air bag from leaking, and can improve the practicability of the overall air spring assembly.

[0010] Preferably, the shock absorber is provided with a mounting hole on the outside, an upper mounting seat is fixedly installed on the side close to the lower mounting seat, a positioning column is fixedly installed at the bottom of the upper mounting seat, a recess two is formed in the inner side of the upper mounting seat, and the mounting hole is matched with the positioning column.

[0011] Through the above technical scheme, when the fastening assembly is installed, the ball hinge rod can be put into the lower mounting seat, and then the upper mounting seat and the lower mounting seat are installed, and the positioning column is inserted into the mounting hole, to realize the quick alignment of the two.

[0012] Preferably, a plurality of long bolts two are arranged in a ring shape about the center line of the lower mounting seat and the upper mounting seat.

[0013] Through the above technical scheme, after the upper mounting seat and the lower mounting seat are aligned, the long bolts two can be used to fasten them, and the design of the plurality of long bolts two can not only improve the stability, but also avoid loosening of the upper mounting seat and the lower mounting seat, thereby affecting normal use.

[0014] Preferably, the connecting rod two is fixedly installed with a fixed cover at the top, the fixed cover is fixedly installed with a positioning rod at the top, the positioning rod is fixedly installed with a limiting hole at the top, and the positioning rod and the limiting hole are in one-to-one correspondence.

[0015] Through the above technical scheme, when the overall device is installed at the top, the positioning rod and the limiting hole can also play a role in quick alignment, thereby facilitating quick installation of the overall device.

[0016] Preferably, the air spring assembly is provided with two identical structures, the two air spring assemblies are identical in structure and intercommunicate, and the other end of the air inlet pipe is provided with an electromagnetic valve.

[0017] Through the above technical scheme, through the two air spring assemblies which are identical in structure and intercommunicate, the carrying capacity and stability of the device are increased, and the air inlet pipe and the electromagnetic valve can be used to adjust the air inlet and outlet to maintain the pressure stability of the air spring assembly.

[0018] Preferably, the lower mounting seat is rotatably installed with a ball hinge rod on the inner side, the ball hinge rod penetrates through the groove two at the top and is fixedly installed with a shock absorber.

[0019] Through the above technical scheme, through the cooperation of the ball hinge rod and the shock absorber, the ball hinge rod can be freely rotated at different angles, adapt to various working environments, and improve the diversity of the overall device.

[0020] Compared with the prior art, the air spring damping device has the following advantages

[0021] Advantages:

[0022] 1. This air spring shock absorber features an ingenious design in its air spring assembly. The first interlayer is made of carbon fiber reinforced composite material, which has extremely high strength and rigidity, providing strong support and protection for the inner airbag. The second interlayer is made of polyurethane material, which has good sealing performance and wear resistance, effectively preventing leakage of the inner airbag. This design improves the practicality of the overall air spring assembly while only changing the inner structure, without affecting the overall capacity of the shock absorber. In addition, the ball joint rod and the shock absorber work together to allow the ball joint rod to rotate freely at different angles, thereby adapting to various working environments and greatly improving the versatility of the overall device.

[0023] 2. The fastening components of this air spring shock absorber are ingeniously designed. When installing the entire device, the upper mounting plate can be placed on top of the installation position first, and then the lower mounting plate can be inserted into the bottom of the installation position. Then, the upper mounting plate and the lower mounting plate can be connected by a long bolt to achieve quick installation of the entire device. This can firmly fix the shock absorber in the required position, facilitate the quick installation of the entire device, and effectively avoid the problem of large limitations during installation. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0026] Figure 3 This is a schematic diagram of the disassembled structure of the lower mounting base and the upper mounting base of this utility model. Figure 1 ;

[0027] Figure 4 This is a schematic diagram of the disassembled structure of the lower mounting base and the upper mounting base of this utility model. Figure 2 ;

[0028] Figure 5 This is a schematic diagram of the disassembled structure of the connecting rod 2 and the fixing cover of this utility model;

[0029] Figure 6 This is a cross-sectional structural diagram of the air spring assembly of this utility model.

[0030] The components include: 1. Fastening assembly; 101. Upper mounting plate; 102. Long bolt one; 103. Lower mounting plate; 2. Connecting seat; 3. Connecting plate; 4. Lower mounting seat; 5. Positioning hole; 6. Ball joint rod; 7. Shock absorber; 8. Mounting hole; 9. Groove one; 10. Connecting rod one; 11. Positioning bolt; 12. Air spring assembly; 1201. Outer shell; 1202. Layer one; 1203. Layer two; 1204. Inner airbag; 13. Top cover; 14. Air inlet pipe; 15. Air outlet pipe; 16. Solenoid valve; 17. Connecting rod two; 18. Fixing cover; 19. Positioning rod; 20. Limiting hole; 21. Upper mounting seat; 22. Positioning post; 23. Groove two; 24. Long bolt two. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example 1: As Figures 1-6 As shown, the present invention provides an air spring shock absorber, including a fastening assembly 1 and a ball joint rod 6. A connecting seat 2 is fixedly installed on the top of the fastening assembly 1. A connecting plate 3 is fixedly installed on the side of the connecting seat 2 away from the fastening assembly 1. A lower mounting seat 4 is fixedly installed on the other side of the connecting plate 3 away from the connecting seat 2. A positioning hole 5 is provided on the top of the lower mounting seat 4. A shock absorber 7 is fixedly installed on the other end of the ball joint rod 6 away from the lower mounting seat 4. A groove 9 is provided on the inner side of the shock absorber 7. A connecting rod 10 is slidably connected to the inner side of the shock absorber 7. A positioning bolt 11 is threadedly connected to the inner side of the mounting hole 8. An air spring assembly 12 is provided on the top of the shock absorber 7. A top cover 13 is fixedly installed on the top of the air spring assembly 12. An air inlet pipe 14 is provided on the top of the top cover 13. An air outlet pipe 15 is provided on one side of the air inlet pipe 14. A connecting rod 17 is fixedly installed on the inner side of the air spring assembly 12.

[0033] Specifically, the fastening assembly 1 includes an upper mounting plate 101, with a long bolt 102 threadedly connected to one side of the upper mounting plate 101, and a lower mounting plate 103 threadedly connected to the other end of the long bolt 102 away from the upper mounting plate 101. The advantage is that, through the design of the fastening assembly 1, when installing the entire device, the upper mounting plate 101 can be placed on top of the installation position first, and then the lower mounting plate 103 can be snapped into the bottom of the installation position. Then, the upper mounting plate 101 and the lower mounting plate 103 are connected by the long bolt 102, so as to achieve quick installation of the entire device. This can firmly fix the shock absorption device in the required position, ensuring that it will not loosen or fall off during operation, thus improving the stability of the device.

[0034] Specifically, the air spring assembly 12 comprises an outer shell 1201, an interlayer one 1202 and an interlayer two 1203 are arranged inside the outer shell 1201, and an inner air bag 1204 is arranged inside the outer shell 1201, the interlayer one 1202 is made of carbon fiber reinforced composite material, the interlayer two 1203 is made of polyurethane material, and the air spring assembly 12 has the advantages that the interlayer one 1202 is made of carbon fiber reinforced composite material, has very high strength and rigidity, can provide additional support and protection for the inner air bag 1204, and the interlayer two 1203 is made of polyurethane material, has good sealing performance and wear resistance, can prevent the inner air bag 1204 from leaking, and can improve the practicability of the air spring assembly 12.

[0035] Specifically, the shock absorber 7 is provided with a mounting hole 8 on the outer side, an upper mounting seat 21 is fixedly installed on one side of the shock absorber 7 close to the lower mounting seat 4, a positioning column 22 is fixedly installed at the bottom of the upper mounting seat 21, a groove two 23 is arranged on the inner side of the upper mounting seat 21, the mounting hole 8 is matched with the positioning column 22, and the ball hinge rod 6 can be placed in the lower mounting seat 4 after the fastening assembly 1 is installed, then the upper mounting seat 21 and the lower mounting seat 4 are installed, and the positioning column 22 is inserted into the mounting hole 8, so that the two can be quickly aligned.

[0036] Specifically, a plurality of long bolts two 24 are threadedly connected between the lower mounting seat 4 and the upper mounting seat 21, the plurality of long bolts two 24 are arranged in a ring shape about the center line of the lower mounting seat 4 and the upper mounting seat 21, and the plurality of long bolts two 24 have the advantages that after the upper mounting seat 21 and the lower mounting seat 4 are aligned, the fastening between the two can be realized through the long bolts two 24, and the design of the plurality of long bolts two 24 can not only improve the stability, but also avoid loosening of the upper mounting seat 21 and the lower mounting seat 4, thereby affecting normal use.

[0037] Embodiment two: as shown in the figure, which is an improvement on the previous embodiment. Figures 2-6

[0038] Specifically, the connecting rod two 17 is fixedly installed with a fixed cover 18 at the top, the fixed cover 18 is fixedly installed with a positioning rod 19 at the top, the positioning rod 19 is fixedly installed with a limiting hole 20 at the top, and the positioning rod 19 and the limiting hole 20 are one-to-one corresponding, and the positioning rod 19 and the limiting hole 20 have the advantages that when the top of the overall device is installed, the positioning rod 19 and the limiting hole 20 can also play a role in quick alignment, thereby facilitating quick installation of the overall device.

[0039] ​Specific, air spring assembly 12 is provided with the same two, two air spring assembly 12 structure is the same and intercommunication, the other end of the intake pipe 14 is provided with solenoid valve 16, the advantage is, through two structure is the same and intercommunication air spring assembly 12, increase the carrying capacity and stability of the device, while through the intake pipe 14 and solenoid valve 16 can adjust the air in and out, to maintain the pressure stability of air spring assembly 12.

[0040] Specific, the lower mounting seat 4 inside rotatingly installed with ball hinge 6, ball hinge 6 top through groove two 23 and with shock absorber 7 for fixed installation, the advantage is, through the cooperation of ball hinge 6 and shock absorber 7, can make ball hinge 6 freely rotate at different angles, adapt to various working environment, can improve the overall device diversity.

[0041] Working principle: in use, through the design of fastening assembly 1, when installing the overall device, the upper mounting plate 101 can be placed on the top of the installation position, then the lower mounting plate 103 is clamped into the bottom of the installation position, then the upper mounting plate 101 and the lower mounting plate 103 are connected by long bolt one 102 to realize the quick installation of the overall device, which can firmly fix the shock absorbing device at the required position, ensure that it will not loosen or fall off during work, improve the stability of the device, through the design of air spring assembly 12, the interlayer one 1202 adopts carbon fiber reinforced composite material, which has very high strength and stiffness, can provide additional support and protection for the inner air bag 1204, while the interlayer two 1203 adopts polyurethane material, which has good sealing performance and wear resistance, can prevent the inner air bag 1204 from leaking, can improve the practicability of the overall air spring assembly 12, when the fastening assembly 1 is installed, the ball hinge 6 can be put into the lower mounting seat 4, then the upper mounting seat 21 and the lower mounting seat 4 are installed, and the positioning column 22 is inserted into the mounting hole 8, which can realize the quick alignment of the two, after the alignment of the upper mounting seat 21 and the lower mounting seat 4 is completed, the fastening between the two can be realized by long bolt two 24, and the design of multiple long bolts two 24 can not only improve the stability, but also avoid the loosening of the upper mounting seat 21 and the lower mounting seat 4, which affects the normal use, through the design of positioning rod 19 and limiting hole 20, when the top of the overall device is installed, it can also play a role in quick alignment, so as to facilitate the quick installation of the overall device, through two structure is the same and intercommunication air spring assembly 12, increase the carrying capacity and stability of the device, while through the intake pipe 14 and solenoid valve 16 can adjust the air in and out, to maintain the pressure stability of air spring assembly 12, through the cooperation of ball hinge 6 and shock absorber 7, can make ball hinge 6 freely rotate at different angles, adapt to various working environment, can improve the overall device diversity.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air spring damping device comprising a fastening assembly (1) and a ball hinge rod (6), characterized in that: The connecting seat (2) is fixedly installed on the top of the fastening assembly (1), the connecting plate (3) is fixedly installed on the side away from the fastening assembly (1) of the connecting seat (2), the lower mounting seat (4) is fixedly installed on the other side away from the connecting seat (2) of the connecting plate (3), the positioning hole (5) is formed in the top of the lower mounting seat (4), the shock absorber (7) is fixedly installed on the other end away from the lower mounting seat (4) of the ball hinge rod (6), the recess one (9) is formed in the inner side of the shock absorber (7), the connecting rod one (10) is slidably connected with the inner side of the shock absorber (7), the positioning bolt (11) is screwedly connected with the inner side of the mounting hole (8), the air spring assembly (12) is arranged on the top of the shock absorber (7), the top cap (13) is fixedly installed on the top of the air spring assembly (12), the air inlet pipe (14) is arranged on the top of the top cap (13), the air outlet pipe (15) is arranged on one side of the air inlet pipe (14), and the connecting rod two (17) is fixedly installed on the inner side of the air spring assembly (12).

2. The air spring shock absorber of claim 1, wherein: The fastening assembly (1) comprises an upper mounting plate (101), and the long bolt one (102) is screwedly connected with one side of the upper mounting plate (101).

3. An air spring shock absorbing device as defined in claim 2 wherein: The air spring assembly (12) comprises an outer shell (1201), and the interlayer one (1202) and the interlayer two (1203) are arranged on the inner side of the outer shell (1201); the inner air bag (1204) is arranged on the inner side of the outer shell (1201); the interlayer one (1202) is made of carbon fiber reinforced composite material; and the interlayer two (1203) is made of polyurethane material.

4. The air spring shock absorber of claim 3, wherein: The mounting hole (8) is formed in the outer side of the shock absorber (7), the upper mounting seat (21) is fixedly installed on the side close to the lower mounting seat (4) of the shock absorber (7), the positioning column (22) is fixedly installed on the bottom of the upper mounting seat (21), the recess two (23) is formed in the inner side of the upper mounting seat (21), and the mounting hole (8) is matched with the positioning column (22).

5. An air spring shock absorbing device as defined in claim 4 wherein: The long bolt two (24) is screwedly connected between the lower mounting seat (4) and the upper mounting seat (21), a plurality of long bolts two (24) are arranged, and the plurality of long bolts two (24) are annularly distributed about the center line of the lower mounting seat (4) and the upper mounting seat (21).

6. An air spring shock absorbing device as defined in claim 5 wherein: The fixing cover (18) is fixedly installed on the top of the connecting rod two (17), the positioning rod (19) is fixedly installed on the top of the fixing cover (18), the limiting hole (20) is fixedly installed on the top of the positioning rod (19), and the positioning rod (19) and the limiting hole (20) are one-to-one corresponding.

7. An air spring shock absorbing device as defined in claim 6 wherein: The air spring assembly (12) is provided with two same air spring assemblies (12), the two air spring assemblies (12) are the same in structure and are interconnected, and the other end of the air inlet pipe (14) is provided with the electromagnetic valve (16).

8. The air spring shock absorber of claim 7, wherein: The ball hinge rod (6) is rotatably installed on the inner side of the lower mounting seat (4), and the ball hinge rod (6) penetrates through the recess two (23) and is fixedly installed with the shock absorber (7).

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