An air suspension damping device for a smart vehicle

Abstract

The application discloses an air suspension damping device of a smart driving vehicle, which comprises an air bag, a mounting and docking top piece, and a shock absorber structure. The air bag is a telescopic rubber product, and its expansion and contraction and recovery can be controlled by air injection and discharge. The mounting and docking top piece is sealed and fixed at the upper end of the air bag through bolts and a fastening ring, and is used for mounting and positioning. The shock absorber structure is sealed and fixed at the lower end of the air bag through a fastening ring, and the upper end of an output shaft is threadedly connected with the mounting and docking top piece. The air suspension damping device has the advantages that after the air bag is damaged, the basic damping effect can be maintained through air flow, the influence of the loss of damping of the vehicle after the air bag is damaged can be avoided, and the air pressure of the air bag can be utilized to spray the maintenance liquid from a spraying nozzle to the inside of the air bag, and the air guide effect of a gas cover and a rotating guide plate is matched, so that the atomized maintenance liquid is uniformly diffused and adsorbed on the inner wall surface of the air bag, the maintenance of the inside of the air bag is realized, the aging of the inside of the air bag is slowed down, the inside of the air bag is cooled, and the influence of the heat conduction of the vehicle is reduced.

Description

Technical Field

[0001] This invention relates to the field of automotive shock absorption technology, specifically to an air suspension shock absorption device for intelligent driving vehicles. Background Technology

[0002] With the development of the automotive industry, traditional suspension systems have limitations in balancing comfort and handling, as well as adaptability to different road conditions. The development of automotive intelligence, especially the advancement of intelligent driving technology, requires vehicles to have more precise and intelligent chassis control systems. Air suspension damping devices can interact with intelligent driving systems to improve vehicle performance and safety, while meeting consumers' demands for intelligent experiences. The development of new energy vehicles has also driven the application of air suspension damping devices, which can cope with changes in the weight and center of gravity of new energy vehicles, reducing energy consumption. Furthermore, advancements in materials and manufacturing technologies, as well as the maturity of electronic control technologies, have led to improved performance and reduced costs for air suspension damping devices, enabling their application in more vehicle models. In short, the application of air suspension damping devices in intelligent driving vehicles is the result of multiple factors working together.

[0003] However, the air suspension damping devices used in conventional new energy vehicles inevitably become affected by various external environmental factors and vehicle-specific factors after prolonged use, due to frequent changes in the weight and center of gravity of the vehicles. These factors include extreme weather conditions, frequent vibrations and impacts, and daily wear and tear. Over time, these effects can lead to aging, cracking, or even damage of the air suspension damping devices. Once these problems occur, the performance of the air suspension damping devices will be significantly affected. Specifically, aging will cause the materials to lose their original elasticity and toughness, thus failing to effectively absorb and buffer the impact forces generated during vehicle operation. Cracks and damage may lead to internal air pressure imbalance, further weakening its damping effect or even causing it to lose its damping effect. This not only affects ride comfort but may also pose a potential threat to the vehicle's handling stability and safety.

[0004] Therefore, an air suspension damping device for intelligent driving vehicles is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide an air suspension damping device for intelligent driving vehicles to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an air suspension damping device for intelligent driving vehicles, 1. an air suspension damping device for intelligent driving vehicles, comprising:

[0007] An airbag is a stretchable rubber product that can be controlled by inflating and deflating air to expand, contract, shrink, and return to its original shape.

[0008] Install the docking top piece, which is sealed and fixed to the upper end of the airbag with bolts and fastening rings for installation and positioning;

[0009] The shock absorber structure is sealed and fixed to the lower end of the airbag by a fastening ring, and the upper end of the output shaft is threadedly connected to the mounting and mating top piece. Its features include:

[0010] The shock absorber structure includes a central shaft. Several hydraulic pistons are fixed in a circular array along the axis at the upper middle position of the central shaft. Each hydraulic piston is equipped with a liquid replenishment valve on its inner edge, and a spraying spring is fixedly installed at the lower end of each hydraulic piston. A pneumatic piston is integrally fixed at the upper end of the central shaft. The pneumatic piston has a lifting air inlet hole on the circumference of the axis inside. The central shaft is slidably positioned at the lower and upper middle positions inside the upper output shaft.

[0011] A through hole is provided at the axial center of the upper output shaft. Along the path of the through hole, corresponding to the positions of the hydraulic piston and the pneumatic piston, lifting slots and holes are respectively provided for the hydraulic piston to move up and down. A connecting thread is integrally provided at the upper end of the upper output shaft. The lifting slots all overlap and communicate with the replenishment fluid channel inside the upper output shaft. Inside the holes for the pneumatic piston to move up and down, a return spring rod and an air inlet pipe are fixedly provided at equal intervals at the positions corresponding to the lifting air inlet holes. A spray nozzle for spraying the maintenance liquid is provided at the lower end of the replenishment fluid channel. An air inlet is provided on the side of the upper output shaft at the position corresponding to the air inlet pipe, communicating with the space it occupies. An air cover with an open lower end is fitted and fixed on the rod body of the upper output shaft at the position of the air inlet, and a guide plate is fixedly provided between the air inlet and the air cover in the gap between the air cover and the upper output shaft.

[0012] Preferably, the shock absorber structure further includes a shock absorber body, and a lower output shaft is slidably defined inside the shock absorber body. A central shaft is integrally provided at the center position of the upper end of the lower output shaft, and several extension rods for auxiliary extension are integrally arranged around the upper end of the lower output shaft and inserted into the interior of the upper output shaft.

[0013] Preferably, the pneumatic piston has a mounting hole at its axial center, and a piston core rod is slidably fixed in the mounting hole by a return air spring. The piston core rod consists of a piston end and a tube body. The circumferential side of the tube body has several open movable air ports, and the lower end of the tube body also has a through hole extending into the tube. The tube wall of the central shaft has several return air ports arranged in a ring array along the axial center at the position corresponding to the return air spring.

[0014] Preferably, the replenishing fluid channel is circumferentially opened inside the upper output shaft along the pipe diameter, and at the hole positions where the reset spring rod and air inlet pipe are located, it transforms into a hole shape and continues to extend downward to the upper part of the airbag before passing outward through the upper output shaft.

[0015] Preferably, the connecting thread is threaded inside the mounting docking top part, and the upper end and side of the part of the rod that is spirally moved out of the mounting docking top part are respectively provided with an air interface for air injection and a liquid interface for replenishing the curing agent, and the air interface is connected to the channel for raising and lowering the liquid replenishing channel, and the liquid replenishing interface is connected to the liquid replenishing channel.

[0016] Preferably, the air intake pipe has a strip-shaped square hole at the lower middle position of the rod body, through which the rod body passes.

[0017] Preferably, the spray nozzle is located at the air guide opening formed by the interval between the rotating guide plates.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This invention, through the arrangement of an airbag, shock absorber body, lower output shaft, extension auxiliary rod, central shaft, pneumatic piston, lifting air intake port, piston core rod, movable connecting air port, return air spring, return air port, upper output shaft, connecting thread, reset spring rod, air intake pipe, and air intake port, can perform normal inflation shock absorption while simultaneously pushing the pneumatic piston downwards onto the central shaft when the airbag ruptures or breaks, in response to the abnormal feedback. The continuous air pressure from the air compressor causes the pneumatic piston to push the central shaft downwards. The bumps from driving are fed back to the shock absorber body and lower output shaft, acting as airflow. Under the action of continuous airflow, the basic shock absorption effect can be maintained. This not only avoids the impact of the vehicle losing shock absorption after the airbag is damaged, providing the driver with sufficient time for optional maintenance, but also avoids potential threats to vehicle control, thus improving driving safety.

[0020] 2. This invention, through the arrangement of an airbag, shock absorber body, lower output shaft, extension auxiliary rod, central shaft, pneumatic piston, hydraulic piston, replenishing valve, spraying spring, replenishing fluid channel, lifting slot, spray nozzle, air cover, and rotary guide plate, allows the air compressor to deliver air to the airbag. The air pressure then pushes the pneumatic piston, central shaft, and hydraulic piston downwards, causing the downward-moving hydraulic piston to compress the maintenance liquid stored in the replenishing fluid channel, which is then sprayed from the spray nozzle into the airbag. Simultaneously, the air cover, in conjunction with the rotary guide plate, guides the rotation of the input gas, causing the atomized maintenance liquid to evenly diffuse and adhere to the inner wall surface of the airbag, thus achieving maintenance of the airbag's interior. This not only continuously maintains the airbag's interior, slowing down its aging, but also cools the internal environment of the airbag, reducing the impact of vehicle heat conduction on the airbag. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural view of the present invention;

[0022] Figure 2 This is an overall cross-sectional view of the present invention;

[0023] Figure 3 This is an exploded view of the shock absorber structure of the present invention;

[0024] Figure 4 This is a cross-sectional view of the shock absorber structure of the present invention;

[0025] Figure 5 This is a cross-sectional view of the lower output shaft of the present invention;

[0026] Figure 6 This is a cross-sectional view of the upper output shaft of the present invention.

[0027] In the picture:

[0028] 1. Airbag;

[0029] 2. Install the connecting top component;

[0030] 3. Shock absorber structure; 31. Shock absorber body; 32. Lower output shaft; 321. Extension auxiliary rod; 322. Central shaft; 323. Hydraulic piston; 3231. Liquid replenishment valve; 3232. Spraying spring; 324. Pneumatic piston; 3241. Lifting air inlet position; 3242. Piston core rod; 3243. Movable connecting air port; 3244. Return air spring; 3245. Return air port; 33. Upper output shaft; 331. Connecting thread; 332. Liquid replenishment channel; 3321. Lifting slot; 3322. Spraying nozzle; 333. Return spring rod; 334. Air inlet pipe; 335. Air inlet; 336. Air cover; 3361. Rotary guide plate. Detailed Implementation

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

[0032] Please see Figures 1 to 6 This invention provides a technical solution for an air suspension damping device for intelligent driving vehicles:

[0033] An air suspension damping device for a smart driving vehicle includes:

[0034] Airbag 1 is a stretchable rubber product that can be expanded, contracted, and shrunk back to its original size by inflating and deflating air.

[0035] Install the docking top piece 2, which is sealed and fixed to the upper end of the airbag 1 with bolts and fastening rings for installation and positioning;

[0036] The shock absorber structure 3 is sealed and fixed to the lower end of the airbag 1 by a fastening ring, and the upper end of the output shaft is threadedly connected to the mounting docking top piece 2.

[0037] The shock absorber structure 3 includes a shock absorber body 31. A lower output shaft 32 is slidably mounted inside the shock absorber body 31. A central shaft 322 is integrally mounted at the center of the upper end of the lower output shaft 32. Several extended auxiliary rods 321 are integrally mounted around the upper end of the lower output shaft 322 around the central shaft 322. A pneumatic piston 324 is integrally fixed at the upper end of the central shaft 322. The pneumatic piston 324 has mounting holes and through-hole lifting air inlets 3241 at its axial center and around its circumference. The mounting holes extend along the axial center into the central shaft 322. A piston core rod 3242 is slidably fixed in the mounting hole and the extension hole by a return air spring 3244. The piston core rod 3242 consists of a piston end and a tube body. Several open movable air ports 3243 are opened on the circumferential side of the tube body, and a through hole is also opened at the lower end of the tube body to penetrate into the tube. Several return air ports 3245 are arranged in a ring array along the axis at the position corresponding to the return air spring 3244 on the tube wall of the central shaft rod 322. The extension auxiliary rod 321 and the central shaft rod 322 are slidably set in the lower part and the upper middle part of the upper output shaft 33, respectively.

[0038] A through hole is provided at the axial center of the upper output shaft 33. Along the path of the through hole, a lifting groove 3321 for the lifting and lowering movement of the hydraulic piston 323 and a hole for the lifting and lowering movement of the pneumatic piston 324 are respectively provided at the corresponding positions of the hydraulic piston 323 and the pneumatic piston 324. A connecting thread 331 is integrally provided at the upper port of the upper output shaft 33. The lifting groove 3321 is connected to the replenishing fluid channel 332 provided inside the upper output shaft 33. Inside the hole for the lifting and lowering of the pneumatic piston 324, a return spring rod 333 and an air inlet pipe 334 are fixedly provided at equal intervals at the corresponding lifting air inlet hole 3241. The air inlet pipe 334 has a strip-shaped square hole that passes through the rod at the middle and lower position of the rod body. The side of the upper output shaft 33 has an air inlet 335 that communicates with the space it is in at the corresponding position of the strip-shaped square hole.

[0039] During operation, the air compressor inputs compressed gas into the upper output shaft 33. The gas acts on the pneumatic piston 324, causing it to move downwards. When it reaches the square hole in the intake pipe 334, the gas passes through the intake pipe 334 and the guide plate 3361 and fills the airbag 1. If the airbag 1 is cracked or damaged, the gas leaks out, resulting in low air pressure and failing to achieve the shock absorption effect. However, the air compressor continues to supply gas, causing the pneumatic piston 324 to continuously push the central shaft rod 322 downwards. The vehicle bumps are fed back to the shock absorber body 31, which pushes the output shaft 32 to act on the airflow to maintain the basic shock absorption effect and avoid the impact of the vehicle losing shock absorption after the airbag 1 is damaged.

[0040] In summary, through the configuration of the airbag 1, shock absorber body 31, lower output shaft 32, extension auxiliary rod 321, central shaft rod 322, pneumatic piston 324, lifting air inlet 3241, piston core rod 3242, movable connecting air port 3243, return air spring 3244, return air port 3245, upper output shaft 33, connecting thread 331, return spring rod 333, air inlet pipe 334, and air inlet 335, while performing normal inflation shock absorption function, the airbag 1 can also be opened... After the airbag 1 is damaged, the air pressure from the continuous air supply from the air compressor causes the pneumatic piston 324 to push the central shaft 322 downward. The bumps in the vehicle are fed back to the shock absorber body 31 and the lower output shaft 32, which act on the airflow. Under the action of continuous airflow, the basic shock absorption effect can be maintained. This not only avoids the impact of the vehicle losing shock absorption after the airbag 1 is damaged, providing the driver with sufficient time to choose maintenance, but also avoids potential threats to vehicle control and improves driving safety.

[0041] As one embodiment of the present invention, such as Figure 4 As shown, several hydraulic pistons 323 are fixed in a ring array along the axis at the upper middle position of the central shaft 322. Each hydraulic piston 323 has a through hole at the axis position, and a downward one-way liquid replenishment valve 3231 is fixed in the through hole. A spraying spring 3232 is fixed at the lower end of the through hole.

[0042] The replenishing fluid channel 332 is opened in a ring around the axis along the pipe diameter inside the upper output shaft 33. It turns into a hole at the hole where the reset spring rod 333 and the air inlet pipe 334 are located and continues to extend downward to the upper middle position of the airbag 1 before passing through the upper output shaft 33. A spray nozzle 3322 for spraying the curing liquid is provided at the port. The connecting thread 331 is threaded into the interior of the mounting docking top member 2. The upper end and side of the part of the rod that is spirally moved out of the mounting docking top member 2 are respectively provided with an air interface for air injection and a replenishing fluid interface for replenishing curing agent. The air interface is connected to the channel for raising and lowering the replenishing fluid channel 332, and the replenishing fluid interface is connected to the replenishing fluid channel 332.

[0043] An air hood 336 with an open lower end is fitted and fixed on the rod body of the upper output shaft 33 at the position of the air inlet 335. A rotary guide plate 3361 for guiding air is fixedly installed between the air inlet 335 in the gap between the air hood 336 and the upper output shaft 33. The spray nozzle 3322 is located at the air guide port formed by the interval between the rotary guide plates 3361.

[0044] During operation, the central shaft 322 moves downward, driving the hydraulic piston 323 to compress the spraying spring 3232, which in turn compresses the curing agent and atomizes it through the spray nozzle 3322. Under the influence of airflow, the curing agent protects the inner wall of the airbag 1. This process continues while the vehicle is in motion.

[0045] In summary, by configuring the airbag 1, shock absorber body 31, lower output shaft 32, extension auxiliary rod 321, central shaft 322, pneumatic piston 324, hydraulic piston 323, replenishing valve 3231, spraying spring 3232, replenishing fluid channel 332, lifting slot 3321, spray nozzle 3322, air cover 336, and rotary guide plate 3361, when the air compressor delivers air to the airbag 1, the air pressure is used to push the pneumatic piston 324, central shaft 322, and hydraulic piston 323 downwards, causing the downward-moving... The hydraulic piston 323 compresses the maintenance liquid stored inside the replenishment fluid channel 332 and sprays it into the airbag 1 through the spray nozzle 3322. At the same time, the air cover 336 works with the rotary guide plate 3361 to rotate and guide the input gas, causing it to evenly diffuse and adhere the atomized maintenance liquid to the inner wall surface of the airbag 1, thereby achieving maintenance of the airbag 1. This not only continuously maintains the airbag 1 and slows down the aging of the airbag 1, but also cools the environment inside the airbag 1, reducing the impact of the car's heat conduction on the airbag 1.

[0046] Working principle: When in operation, first install the device in the designated location, then connect the air interface at the upper end of the connecting thread 331 to the exhaust valve and air compressor through the pipeline, and connect the interface for replenishing the maintenance agent to the liquid supply tank. After checking that the connection is stable, it can be used.During normal use, the air compressor inputs compressed gas into the upper output shaft 33 through the air interface. As the gas pressure increases, it continuously acts on the upper surface of the pneumatic piston 324. The damaged pneumatic piston 324 moves downwards along the intake pipe 334 and compresses the return spring rod 333 until it reaches the rectangular hole on the rod of the intake pipe 334. At this point, the space above the upper output shaft 33 connects with the space below the pneumatic piston 324 through the intake pipe 334. Gas then quickly passes through the intake pipe 334 and enters the space between the guide plates 3361 through the intake port 335. Guided by the guide plates 3361, the gas fills the airbag 1. Simultaneously, as the pneumatic piston 324 moves downwards under pressure, the central shaft... Rod 322 will move downwards a specified distance along the upper output shaft 33 and exit from inside the upper output shaft 33. Simultaneously, the downward-moving central rod 322 will drive the hydraulic piston 323 downwards along the lifting slot 3321, compressing the spraying spring 3232. The downward-moving hydraulic piston 323 will press the appropriate airbag maintenance liquid material stored in the replenishment channel 332 between the spray nozzle 3322 and the hydraulic piston 323, causing it to be atomized and sprayed out through the spray nozzle 3322. The sprayed maintenance agent will be fully diffused to the surface of the airbag 1 under the guidance of the airflow from the guide plate 3361, achieving maintenance of the inner wall of the airbag 1. This process will continue during driving; if the airbag 1 cracks or ruptures, the vehicle detection system will... An abnormality in airbag 1 is detected and reported to the vehicle control screen. Simultaneously, the gas input during this process leaks out through the vent. At this time, the internal pressure of airbag 1 remains low, failing to achieve the original shock absorption effect. However, because the air compressor continuously compresses gas and inputs it into the upper output shaft 33, the gas continuously acts on the upper end of the pneumatic piston 324. The pneumatic piston 324 continuously pushes downwards against the central shaft rod 322. Vibrations and bumps during driving are fed back to the shock absorber body 31, which then pushes the lower output shaft 32 to act on the continuously input airflow. This utilizes continuous air pressure to maintain a basic shock absorption effect, avoiding the series of consequences that would result from the vehicle losing shock absorption if airbag 1 were damaged. Before the vehicle arrives at the repair shop, the owner is given ample time to make mistakes. Under normal circumstances, when it is necessary to release the gas inside the airbag 1, the air compressor stops and the exhaust valve opens. Due to the high air pressure inside the airbag 1, the movable connecting air port 3243 is forced to stretch the return air spring 3244 upward along the channel of the pneumatic piston 324. When the movable connecting air port 3243 moves out of the pneumatic piston 324, the upper and lower parts inside the upper output shaft 33 will be temporarily connected. Then the gas inside the airbag 1 will enter the air cover 336, and then enter the space below the lifting air intake position 3241 through the air intake port 335 along the air cover 336. Finally, it enters the upper part inside the upper output shaft 33 through the movable connecting air port 3243 and is discharged outward by the exhaust valve.

[0047] It should be noted that, depending on the requirements, the exhaust valve mentioned above can be replaced with an exhaust pump of a predetermined power; the air compressor is an existing device, and its specific structure and principle have been disclosed, and only a brief description is given in this application.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air suspension damping device for an intelligent driving vehicle, comprising: Airbag (1) is a stretchable rubber product whose expansion, contraction, shrinkage, and recovery are controlled by inflation and deflation. Install the docking top piece (2), which is sealed and fixed to the upper end of the airbag (1) by bolts and fastening rings for installation and positioning; The shock absorber structure (3) is sealed and fixed to the lower end of the airbag (1) by a fastening ring, and the upper end of the output shaft is threadedly connected to the mounting docking top piece (2). Its features include: The shock absorber structure (3) includes a central shaft (322). Several hydraulic pistons (323) are fixed in a ring array along the axis at the upper middle position of the central shaft (322). Each hydraulic piston (323) is equipped with a liquid replenishment valve (3231) on its inner side. A spraying spring (3232) is fixedly installed at the lower end of each hydraulic piston (323). A pneumatic piston (324) is integrally fixed at the upper end of the central shaft (322). The pneumatic piston (324) has a lifting air inlet (3241) opened on the circumference of the axis inside. The central shaft (322) is slidably arranged at the lower and upper middle positions inside the upper output shaft (33). A through hole is provided at the axial center position inside the upper output shaft (33), and a lifting groove (3321) for the lifting and lowering movement of the hydraulic piston (323) and a hole for the lifting and lowering movement of the pneumatic piston (324) are respectively provided at the corresponding positions of the hydraulic piston (323) and the pneumatic piston (324) along the path of the through hole. A connecting thread (331) is integrally provided at the upper port of the upper output shaft (33). The lifting groove (3321) is connected to the replenishment channel (332) opened inside the upper output shaft (33), and the hole for the lifting and lowering of the pneumatic piston (324) is located at the corresponding lifting air inlet (3241). A reset spring rod (333) and an air inlet pipe (334) are fixedly arranged at equal intervals. A spray nozzle (3322) for spraying maintenance liquid is arranged at the lower end of the replenishment channel (332). An air inlet (335) communicating with the space in which it is located is opened on the side of the upper output shaft (33) at the position corresponding to the air inlet pipe (334). An air cover (336) with an open lower end is sleeved and fixed on the rod of the upper output shaft (33) at the position of the air inlet (335). A rotary guide plate (3361) is fixedly arranged between the air inlet (335) and the air cover (336) and the upper output shaft (33).

2. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The shock absorber structure (3) also includes a shock absorber body (31). The shock absorber body (31) has a lower output shaft (32) that is slidably defined inside. A central shaft (322) is integrally provided at the center position of the upper end of the lower output shaft (32). Several extension rods (321) for auxiliary extension are integrally arranged around the upper end of the lower output shaft (32) around the central shaft (322).

3. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The pneumatic piston (324) has a mounting hole at its axial position, and a piston core rod (3242) is slidably fixed in the mounting hole by a return air spring (3244). The piston core rod (3242) consists of a piston end and a tube body. Several open movable air ports (3243) are opened on the circumferential side of the tube body, and a through hole is also opened at the lower end of the tube body to penetrate into the tube. Several return air ports (3245) are arranged in a ring array along the axial position on the tube wall of the central shaft (322) at the position corresponding to the return air spring (3244).

4. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The replenishment channel (332) is opened in a ring around the axis along the pipe diameter inside the upper output shaft (33), and at the hole position where the reset spring rod (333) and the air inlet pipe (334) are located, it turns into a hole and continues to extend downward to the middle and upper part of the airbag (1) before passing through the upper output shaft (33).

5. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The connecting thread (331) is threaded inside the mounting docking top part (2), and the upper end and side of the part of the rod that is spirally moved out of the mounting docking top part (2) are respectively provided with an air interface for air injection and a liquid interface for replenishing the maintenance agent. The air interface is connected to the channel for raising and lowering the liquid channel (332), and the liquid interface is connected to the liquid channel (332).

6. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The air intake pipe (334) has a strip-shaped square hole in the lower middle position of the rod body, through which the rod body passes.

7. The air suspension damping device for an intelligent driving vehicle according to claim 1, characterized in that: The spray nozzle (3322) is located at the air guide formed between the rotating guide plates (3361).

Images