Air suspension and vehicle

Abstract

The utility model provides an air suspension and a vehicle and relates to the technical field of automobile chassis suspension systems, the air suspension comprises a mounting plate, an air spring, a mounting seat and a damper, the mounting plate, the air spring and the mounting seat are connected in sequence, and the air spring can push and pull the mounting plate to stretch out and draw back in the first direction; the damper is provided with a first end and a second end which are oppositely arranged, the first end of the damper is connected with the mounting base in a pivoted mode, and the second end of the damper is connected with the mounting plate in a sliding mode in the second direction and can lock the second end of the damper and the mounting plate when the damper slides to any position. And the second direction and the first direction form an included angle, so that linear vibration reduction is conducted on the air spring in the first direction. The mounting angle of the damper is adjustable, so that a worker can adjust the vibration reduction linearity of the air suspension in use by adjusting the using effect of the damper, and the requirements of different users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile chassis suspension systems, in particular to an air suspension and a vehicle. Background Art

[0002] Air suspension uses air springs as elastic elements, which play a vital role in improving the comfort of the vehicle. Air suspension uses an air compressor to form compressed air and sends the compressed air to the air chamber of the air spring and shock absorber to change the height of the vehicle. At the same time, vehicle height sensors are installed near the front and rear wheels. According to the output signal of the vehicle height sensor, the microcomputer determines the change in vehicle height, and then controls the compressor and exhaust valve to compress or extend the spring, thereby achieving the effect of vibration reduction.

[0003] In the related art, the installation angle and stroke of the damper of the air suspension are often fixed, which results in the inability to meet the needs of different users during use, affecting the efficiency of automobile production and maintenance. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] To this end, an embodiment of one aspect of the utility model proposes an air suspension, in which the installation angle of the damper is adjustable, so that the staff can adjust the vibration reduction linearity of the air suspension when using it by adjusting the use effect of the damper to meet the needs of different users.

[0006] Another aspect of the present invention provides a vehicle.

[0007] According to an embodiment of the utility model, an air suspension includes a mounting plate, an air spring, a mounting seat and a damper, wherein the mounting plate, the air spring and the mounting seat are connected in sequence, and the air spring can push and pull the mounting plate to extend and retract along a first direction; the damper has a first end and a second end that are relatively arranged, the first end of the damper is pivotally connected to the mounting seat, the second end of the damper is slidably connected to the mounting plate along a second direction and can lock the second end of the damper and the mounting plate when sliding to any position, so that the air spring can linearly reduce vibration along the first direction, and the second direction forms an angle with the first direction.

[0008] According to the air suspension of the embodiment of the utility model, the second end of the damper slides on the mounting plate in the second direction to adjust the installation angle of the damper relative to the mounting seat, so that when the air spring pushes or pulls the mounting plate to extend or retract along the first direction, the damper can assist in ensuring the linear vibration reduction of the air spring along the first direction, thereby improving the use effect of the air suspension. Therefore, compared with the related art, the installation angle of the damper of the air suspension in the utility model is adjustable, so that the staff can adjust the vibration reduction linearity of the air suspension when using it by adjusting the use effect of the damper to meet the needs of different users.

[0009] In some embodiments, the air suspension further includes a connecting platform, a threaded rod and a limiting rod, the connecting platform is connected to the mounting plate, the threaded rod and the limiting rod both extend along the second direction, the threaded rod is pivotally connected to the connecting platform, and the limiting rod is connected to the connecting platform;

[0010] The second end of the damper is threadedly connected to the threaded rod and slidably connected to the limiting rod.

[0011] In some embodiments, the air suspension also includes a gasket and a lock nut. The gasket is sleeved on the threaded rod and is located between the connecting platform and the lock nut. The lock nut is threadedly connected to the threaded rod and can press the gasket against the connecting platform to lock the threaded rod.

[0012] In some embodiments, the air suspension also includes a first connecting frame, a first movable rod and a second movable rod. The first connecting frame is connected to the mounting seat and arranged with the mounting plate along the first direction. The mounting plate is provided with a second connecting frame. The second connecting frame and the first connecting frame are arranged at intervals along the second direction. The first movable rod and the second movable rod are arranged at intervals along the first direction. Each of the first connecting frame and the second connecting frame is pivotally connected to the first movable rod and the second movable rod. A four-bar linkage is formed between the first connecting frame, the first movable rod, the second connecting frame and the second movable rod. The four-bar linkage and the air spring are arranged along the second direction.

[0013] In some embodiments, the air suspension further comprises a movable block, the movable block being threadedly connected to the threaded rod and slidably connected to the limit rod;

[0014] The damper comprises a first rotating block, a damper body and a second rotating block, the first rotating block is pivotally connected to the movable block, the second end of the damper body is connected to the first rotating block, the first end of the damper body is connected to the second rotating block, and the second rotating block is pivotally connected to the first connecting frame;

[0015] And / or, the second movable rod is closer to the mounting plate than the first movable rod, and the pivot axis of the second rotating block at the first connecting frame is colinear with the pivot axis of the first movable rod at the first connecting frame.

[0016] A vehicle according to an embodiment of the utility model includes an axle and an air suspension, wherein the air suspension is the air suspension described in any of the above embodiments, the mounting seat of the air suspension is connected to the axle, and the mounting plate of the air suspension is connected to the vehicle body to facilitate adjustment of the distance between the vehicle body and the axle along a first direction.

[0017] According to the vehicle of the embodiment of the utility model, the air suspension is designed as a structure with an adjustable installation angle of the damper, so that the staff can adjust the vibration reduction linearity of the air suspension when using it by adjusting the use effect of the damper to ensure the production and maintenance efficiency of the vehicle.

[0018] In some embodiments, the vehicle further comprises a clamping box, a button, a sliding rod, an elastic clamp block and a clamping spring.

[0019] The clamping box is connected to the axle, the button comprises a pressing portion, a sliding portion and an extruding portion which are connected in sequence, the pressing portion is located at the outer peripheral side of the clamping box, at least part of the sliding portion is slidably connected to the clamping box, and the extruding portion has a first position and a second position;

[0020] The slide bar is connected to the clamping box, the elastic clamping block is slidably connected to the slide bar, the elastic clamping block has a clamping position pressed against the outer peripheral wall of the connecting air pipe of the air suspension and an unlocking position spaced apart from the outer peripheral wall of the connecting air pipe of the air suspension, and when the extrusion portion is switched from the first position to the second position, the elastic clamping block can slide from the clamping position to the unlocking position relative to the connecting air pipe;

[0021] Wherein, the clamping spring is arranged between the clamping box and the elastic clamping block and can apply a biasing force to the elastic clamping block.

[0022] In some embodiments, the clamping box has an annular groove, the elastic clamp block is an elastic clamp ring with an opening at one end, the elastic clamp ring is coaxially fitted in the annular groove, and the opening of the elastic clamp ring has a first guide surface and a second guide surface arranged oppositely;

[0023] The extrusion portion has a first pressing surface and a second pressing surface arranged opposite to each other, the first pressing surface is movably connected to the first guide surface along the extension direction of the first guide surface, and the second pressing surface is movably connected to the second guide surface along the extension direction of the second guide surface, and the first guide surface and the second guide surface can push the extrusion portion from the second position to the first position under the action of the elastic force of the clamping spring.

[0024] In some embodiments, the vehicle further includes a limit telescopic cylinder, a cylinder body of the limit telescopic cylinder is connected to the axle, a piston rod of the limit telescopic cylinder is connected to the mounting seat, the limit telescopic cylinder can push and pull the mounting seat to slide along a third direction relative to the axle and lock the two when the mounting seat slides to any position relative to the axle, and the third direction forms an angle with the first direction.

[0025] In some embodiments, there are two air suspensions and they are arranged at intervals along the third direction, and there are two limit telescopic cylinders and they correspond one to one with the air suspensions.

[0026] In some embodiments, the axle includes a frame, a first brake disc and a second brake disc, the frame having a first end and a second end arranged relatively to each other along the third direction, the first brake disc is connected to the first end of the frame, the second brake disc is connected to the second end of the frame, and the air suspension is located between the first brake disc and the second brake disc.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic structural diagram of an air suspension according to an embodiment of the utility model (the damper part is removed in the figure).

[0029] Figure 2 The utility model is a schematic diagram of the connection structure of the damper, the connecting platform, the threaded rod and the limit rod part of the air suspension according to the embodiment of the utility model.

[0030] Figure 3 It is a schematic diagram of the connection structure of the axle and the air suspension part in the vehicle according to an embodiment of the utility model.

[0031] Figure 4 It is a schematic diagram of the connection structure of the clamping box, button and elastic clamp block part in the vehicle according to the embodiment of the utility model.

[0032] Figure 5The figure is a schematic diagram of the connection structure among a button, a slide bar, an elastic clamp block, a clamping spring and a clamping box in a vehicle according to an embodiment of the utility model (part of the structure of the clamping box is cut away in the figure).

[0033] Figure numerals: 1, mounting plate, 11, second connecting frame, 2, air spring, 3, mounting seat, 31, first connecting frame, 32, first movable rod, 33, second movable rod, 4, damper, 41, first rotating block, 42, damper body, 43, second rotating block, 5, connecting platform, 6, threaded rod, 61, gasket, 62, lock nut, 7, limit rod, 71, movable block, 8, axle, 81, limit telescopic cylinder, 82, frame, 83, first brake disc, 84, second brake disc, 91, clamping box, 92, button, 921, pressing part, 922, sliding part, 923, extrusion part, 93, slide rod, 94, elastic clamping block, 941, first guide surface, 942, second guide surface, 943, clamping cavity, 95, clamping spring. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0035] like Figures 1 to 3 As shown, an air suspension of an embodiment of the utility model includes a mounting plate 1, an air spring 2, a mounting seat 3 and a damper 4, the mounting plate 1, the air spring 2 and the mounting seat 3 are connected in sequence, the air spring 2 can push and pull the mounting plate 1 to extend and retract along a first direction; the damper 4 has a first end and a second end that are relatively arranged, the first end of the damper 4 is pivotally connected to the mounting seat 3, the second end of the damper 4 is slidably connected to the mounting plate 1 along the second direction and can lock the second end of the damper 4 and the mounting plate 1 when sliding to any position, so that the air spring 2 linearly reduces vibration along the first direction, and the second direction forms an angle with the first direction.

[0036] According to the air suspension of the embodiment of the utility model, the second end of the damper 4 slides on the mounting plate 1 along the second direction to adjust the installation angle of the damper 4 relative to the mounting seat 3, so that when the air spring 2 pushes and pulls the mounting plate 1 to extend or retract along the first direction, the damper 4 can assist in ensuring the linear vibration reduction of the air spring 2 along the first direction, thereby improving the use effect of the air suspension. Therefore, compared with the related art, the installation angle of the damper 4 of the air suspension in the utility model is adjustable, so that the staff can adjust the vibration reduction linearity of the air suspension when using it by adjusting the use effect of the damper 4 to meet the needs of different users.

[0037] Specifically, the first direction may be the height direction of the air spring 2, that is, Figure 1The mounting plate 1, the air spring 2 and the mounting seat 3 are connected in sequence from top to bottom. The second direction can be Figure 1 The second direction may be perpendicular to the first direction. The mounting plate 1 may extend along the front-to-back direction. The damper 4 may be arranged with the air spring 2 along the second direction, that is, the damper 4 is located at the rear end of the air spring 2.

[0038] like Figure 1 and Figure 2 As shown, in some embodiments, the air suspension also includes a connecting platform 5, a threaded rod 6 and a limiting rod 7, the connecting platform 5 is connected to the mounting plate 1, the threaded rod 6 and the limiting rod 7 both extend along the second direction, the threaded rod 6 is pivotally connected to the connecting platform 5, and the limiting rod 7 is connected to the connecting platform 5.

[0039] The second end of the damper 4 is threadedly connected to the threaded rod 6 and slidably connected to the limiting rod 7 .

[0040] It can be understood that, by screwing the threaded rod 6, the second end of the damper 4 can slide on the limit rod 7 along the second direction under the action of the threaded cooperation and the limit rod 7, so as to adjust the installation position of the second end of the damper 4 on the mounting plate 1, thereby realizing convenient adjustment of the installation angle of the damper 4 relative to the mounting seat 3. The operation is simple and the practicability is strong. In addition, since the adjustment of the installation position of the damper 4 on the mounting plate 1 is continuous, it can meet any installation angle of the damper 4 and has good applicability.

[0041] Specifically, the connection platform 5 may be fixed to the side wall of the mounting plate 1 by welding or bolting. The connection platform 5 may have a mounting groove extending along the second direction. The threaded rod 6 and the limiting rod 7 may be arranged in the mounting groove at intervals along the first direction, that is, the threaded rod 6 and the limiting rod 7 may be arranged in the mounting groove at intervals along the up-down direction, so that Figure 2 For example, the threaded rod 6 is located above the limiting rod 7. The rear end of the threaded rod 6 can pass through the connecting platform 5.

[0042] like Figure 2 As shown, in some embodiments, the air suspension also includes a gasket 61 and a lock nut 62. The gasket 61 is sleeved on the threaded rod 6 and is located between the connecting platform 5 and the lock nut 62. The lock nut 62 is threadedly connected to the threaded rod 6 and can press the gasket 61 against the connecting platform 5 to facilitate locking the threaded rod 6.

[0043] It can be understood that the gasket 61 and the lock nut 62 cooperate to ensure that the threaded rod 6 is reliably locked on the connecting platform 5, so as to complete the adjustment of the installation angle of the damper 4.

[0044] Specifically, the gasket 61 and the lock nut 62 can be sequentially sleeved on the rear end of the threaded rod 6 along the front-to-back direction.

[0045] like Figure 1As shown, in some embodiments, the air suspension further includes a first connecting frame 31, a first movable rod 32 and a second movable rod 33. The first connecting frame 31 is connected to the mounting seat 3 and arranged with the mounting plate 1 along the first direction. The mounting plate 1 is provided with a second connecting frame 11. The second connecting frame 11 and the first connecting frame 31 are arranged at intervals along the second direction. The first movable rod 32 and the second movable rod 33 are arranged at intervals along the first direction. Each of the first connecting frame 31 and the second connecting frame 11 is pivotally connected to the first movable rod 32 and the second movable rod 33, that is, the first end (i.e., the front end) of the first movable rod 32 is hinged to the first connecting frame 31, and the second end (i.e., the rear end) of the first movable rod 32 is hinged to the second connecting frame 11. Similarly, the first end of the second movable rod 33 is hinged to the first connecting frame 31, and the second end of the second movable rod 33 is hinged to the second connecting frame 11. A four-bar linkage is formed between the first connecting frame 31, the first movable rod 32, the second connecting frame 11 and the second movable rod 33, and the four-bar linkage and the air spring 2 are arranged along the second direction.

[0046] It can be understood that since the four-bar linkage constructed by the first connecting frame 31, the first movable rod 32, the second connecting frame 11 and the second movable rod 33 is located next to the air spring 2, when the air spring 2 is extended and retracted in the up and down directions, the four-bar linkage can be used to achieve shock absorption during the compression and rebound process of the air spring 2, while also ensuring the lifting and lowering stability of the air spring 2.

[0047] Specifically, the first connecting frame 31 may be located at the rear end of the air spring 2 and above the mounting seat 3. The first connecting frame 31 may be fixed to the mounting seat 3 by welding, bolting or integral molding. The first movable rod 32 may be located below the second movable rod 33. The first movable rod 32 and the second movable rod 33 may both be located at the rear end of the first connecting frame 31. The second connecting frame 11 may be fixed to the mounting plate 1 by welding or integral molding. The second connecting frame 11 may be located at the rear ends of the first movable rod 32 and the second movable rod 33.

[0048] like Figures 1 to 3 As shown, in some embodiments, the air suspension further includes a movable block 71 , which is threadedly connected to the threaded rod 6 and slidably connected to the limiting rod 7 .

[0049] The damper 4 includes a first rotating block 41, a damper body 42 and a second rotating block 43. The first rotating block 41 is pivotally connected to the movable block 71, the second end of the damper body 42 is connected to the first rotating block 41, the first end of the damper body 42 is connected to the second rotating block 43, and the second rotating block 43 is pivotally connected to the first connecting frame 31.

[0050] Specifically, the movable block 71 can be slidably fitted in the mounting groove of the connecting platform 5. The first rotating block 41 and the movable block 71 can be hinged. The second rotating block 43 and the first connecting frame 31 can be hinged. The first end of the damper body 42 can correspond to the lower end of the damper body 42 in the figure, and the second end of the damper body 42 can correspond to the upper end of the damper body 42 in the figure.

[0051] like Figures 1 to 3 As shown, in some embodiments, the second movable rod 33 is closer to the mounting plate 1 than the first movable rod 32 , and the pivot axis of the second rotating block 43 at the first connecting frame 31 is colinear with the pivot axis of the first movable rod 32 at the first connecting frame 31 .

[0052] It can be understood that the pivot axes of the second rotating block 43 and the first movable rod 32 at the first connecting frame 31 are designed to be colinear, so that the damper 4 and the four-bar linkage can move synchronously during the compression and rebound process of the air spring 2 to stabilize and limit the movement process of the air spring 2.

[0053] Specifically, a groove may be provided at a position of the first connecting frame 31 corresponding to the second rotating block 43 , and the second rotating block 43 is rotatably connected to the groove.

[0054] like Figure 3 As shown, a vehicle of an embodiment of the utility model includes an axle 8 and an air suspension, the air suspension is the air suspension of any of the above embodiments, the mounting seat 3 of the air suspension is connected to the axle 8, and the mounting plate 1 of the air suspension is connected to the vehicle body to facilitate adjustment of the distance between the vehicle body and the axle 8 along a first direction.

[0055] According to the vehicle of the embodiment of the utility model, the air suspension is designed as a structure with an adjustable installation angle of the damper 4, so that the staff can adjust the vibration reduction linearity of the air suspension when using it by adjusting the use effect of the damper 4 to ensure the production and maintenance efficiency of the vehicle.

[0056] Specifically, the first direction may be the height direction of the vehicle body, that is, Figure 3 The up-down direction in the vehicle is also the height direction of the air spring 2. The air suspension is located above the axle 8.

[0057] like Figures 3 to 5 As shown, in some embodiments, the vehicle further includes a clamping box 91 , a button 92 , a slide bar 93 , an elastic clamp block 94 and a clamping spring 95 .

[0058] Among them, the clamping box 91 is connected to the axle 8, and the button 92 includes a pressing part 921, a sliding part 922 and an extruding part 923 which are connected in sequence. The pressing part 921 is located on the outer peripheral side of the clamping box 91, at least part of the sliding part 922 is slidably connected to the clamping box 91, and the extruding part 923 has a first position and a second position.

[0059] Among them, the sliding rod 93 is connected to the clamping box 91, and the elastic clamp block 94 is slidably connected to the sliding rod 93. The elastic clamp block 94 has a clamping position pressed against the outer peripheral wall of the connecting air pipe of the air suspension and an unlocking position spaced apart from the outer peripheral wall of the connecting air pipe of the air suspension. When the extrusion portion 923 switches from the first position to the second position, the elastic clamp block 94 can slide from the clamping position to the unlocking position relative to the connecting air pipe.

[0060] The clamping spring 95 is sandwiched between the clamping box 91 and the elastic clamping block 94 and can press the elastic clamping block 94 toward the clamping position, that is, the clamping spring 95 applies a biasing force to the elastic clamping block 94 .

[0061] It can be understood that by pressing the button 92 on the clamping box 91, the extrusion portion 923 of the button 92 can be pushed outward to open the elastic clamp block 94, squeezing the clamping spring 95 to push the elastic clamp block 94 to slide along the slide rod 93, away from the outer peripheral wall of the connecting air pipe of the air suspension, and release the limit clamping of the connecting air pipe on the axle 8, so as to facilitate the staff to disassemble and maintain the connecting air pipe and air suspension on the axle 8. When the connecting air pipe needs to be fixed on the axle 8, the pressing force on the button 92 is released, so that the clamping spring 95 is reset to the clamping position, so as to automatically push the elastic clamp block 94 to press against the outer peripheral wall of the connecting air pipe, thereby clamping the connecting air pipe.

[0062] Specifically, the clamping box 91 may be fixed on the axle 8 in a manner other than welding or bolting. The clamping spring 95 may be coaxially sleeved on the slide bar 93. The elastic clamping block 94 may realize elastic clamping of the connecting air pipe, thereby reducing the extrusion damage to the connecting air pipe.

[0063] It should be noted that the connecting air pipe is used to supply air to the air spring 2. Compared with the related art that only uses cable ties to limit the connecting air pipe on the axle 8 to avoid the impact of chaotic placement of the connecting air pipe on driving safety, the present application adopts an auxiliary limiting mechanism formed by the clamping box 91, button 92, slide bar 93, elastic clamp block 94 and clamping spring 95, which can realize the reliable fixation and arrangement of the connecting air pipe on the axle 8, is easy to operate, and is conducive to the daily maintenance work of the connecting air pipe by the staff, ensuring the production and maintenance efficiency of the vehicle.

[0064] like Figure 4 and Figure 5 As shown, in some embodiments, the clamping box 91 has an annular groove, the elastic clamp block 94 is an elastic clamp ring with an open end, the elastic clamp ring is coaxially fitted in the annular groove, and the opening of the elastic clamp ring has a first guide surface 941 and a second guide surface 942 arranged oppositely.

[0065] The extrusion portion 923 has a first pressing surface and a second pressing surface that are arranged relatively to each other. The first pressing surface is movably connected to the first guide surface 941 along the extension direction of the first guide surface 941, and the second pressing surface is movably connected to the second guide surface 942 along the extension direction of the second guide surface 942. The first guide surface 941 and the second guide surface 942 can push the extrusion portion 923 from the second position to the first position under the action of the elastic force of the clamping spring 95. When the extrusion portion 923 is in the second position, the distance between the first guide surface 941 and the second guide surface 942 is greater than the distance between the first guide surface 941 and the second guide surface 942 when the extrusion portion 923 is in the first position.

[0066] It can be understood that, through the interaction between the first pressing surface and the first guide surface 941 on the extrusion portion 923, and the interaction between the second pressing surface and the second guide surface 942, during the clamping operation of the connecting air pipe, the button 92 can be pushed to automatically reset due to the mutual action between the above-mentioned two surfaces, so as to further improve the operational convenience of the above-mentioned auxiliary limiting mechanism.

[0067] Specifically, the inner peripheral wall of the elastic clamp ring surrounds and forms a clamping cavity 943 for clamping the connected air pipe.

[0068] Therefore, when using the auxiliary limiting mechanism to clamp the connecting air pipe, the button 92 can be pressed first, so that the extrusion portion 923 of the button 92 stretches the elastic clamp block 94 outward, squeezes the clamping spring 95, and pushes the elastic clamp block 94 to slide along the slide rod 93, thereby increasing the clamping cavity 943 and facilitating the connecting air pipe to pass into the clamping cavity 943. After the connecting air pipe is passed to a suitable position, the pressing force on the button 92 is released. At this time, the clamping spring 95, under the action of its own elastic restoring force, squeezes the elastic clamp ring toward the middle (i.e., in the direction of reducing the opening of the elastic clamp ring), and the first guide surface 941 on the elastic clamp ring pushes the first extrusion surface, and the second guide surface 942 pushes the second extrusion surface, until the extrusion portion 923 is lifted away from the opening of the elastic clamp ring, and the clamping cavity 943 of the elastic clamp ring becomes smaller, thereby achieving the clamping of the connecting air pipe.

[0069] like Figure 3 As shown, in some embodiments, the vehicle also includes a limit telescopic cylinder 81, a cylinder body of the limit telescopic cylinder 81 is connected to the axle 8, a piston rod of the limit telescopic cylinder 81 is connected to the mounting seat 3, the limit telescopic cylinder 81 can push and pull the mounting seat 3 to slide along a third direction relative to the axle 8 and lock the two when the mounting seat 3 slides to any position relative to the axle 8, the third direction forms an angle with the first direction, so as to adjust and fix the position of the mounting seat 3 on the axle 8, and then realize the adjustment of the installation position of the air spring 2.

[0070] Specifically, the limiting telescopic cylinder 81 may not be limited to being an electric cylinder, a pneumatic cylinder or a hydraulic cylinder. The third direction may be the extension direction of the axle 8, that is, Figure 3The left and right direction in .

[0071] like Figure 3 As shown, in some embodiments, there are two air suspensions and they are arranged at intervals along the third direction, that is, the two air suspensions are arranged at intervals along the left and right directions. There are two limit telescopic cylinders 81 and they correspond one to one with the air suspensions to ensure the stability of the adjustment of the vehicle height.

[0072] like Figure 3 As shown, in some embodiments, the axle 8 includes a frame 82, a first brake disc 83 and a second brake disc 84, the frame 82 has a first end and a second end arranged relatively along a third direction, the first brake disc 83 is connected to the first end of the frame 82, the second brake disc 84 is connected to the second end of the frame 82, and the air suspension is located between the first brake disc 83 and the second brake disc 84.

[0073] Specifically, the frame 82 may extend in the left-right direction. The first end of the frame 82 corresponds to the left end of the frame 82 in the figure, and the second end of the frame 82 corresponds to the right end of the frame 82 in the figure.

[0074] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0075] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0076] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0078] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0079] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An air suspension, characterized in that: include: A mounting plate, an air spring and a mounting seat, wherein the mounting plate, the air spring and the mounting seat are connected in sequence, and the air spring can push and pull the mounting plate to extend and retract along a first direction; as well as A damper, wherein the damper has a first end and a second end arranged opposite to each other, the first end of the damper is pivotally connected to the mounting seat, the second end of the damper is slidably connected to the mounting plate along a second direction and can lock the second end of the damper and the mounting plate when sliding to any position, so that the air spring linearly reduces vibration along the first direction, and the second direction forms an angle with the first direction.

2. The air suspension according to claim 1, characterized in that: It also includes a connecting platform, a threaded rod and a limiting rod, wherein the connecting platform is connected to the mounting plate, the threaded rod and the limiting rod both extend along the second direction, the threaded rod is pivotally connected to the connecting platform, and the limiting rod is connected to the connecting platform; The second end of the damper is threadedly connected to the threaded rod and slidably connected to the limiting rod.

3. The air suspension according to claim 2, characterized in that: It also includes a gasket and a lock nut. The gasket is sleeved on the threaded rod and is located between the connecting platform and the lock nut. The lock nut is threadedly connected to the threaded rod and can press the gasket against the connecting platform to lock the threaded rod.

4. The air suspension according to claim 2 or 3, characterized in that: Also includes: A first connecting frame, the first connecting frame is connected to the mounting seat and arranged along the first direction with the mounting plate, the mounting plate is provided with a second connecting frame, the second connecting frame and the first connecting frame are arranged at intervals along the second direction; as well as A first movable rod and a second movable rod, the first movable rod and the second movable rod are arranged at intervals along the first direction, each of the first connecting frame and the second connecting frame is pivotally connected to the first movable rod and the second movable rod, and a four-bar linkage is formed between the first connecting frame, the first movable rod, the second connecting frame and the second movable rod, and the four-bar linkage and the air spring are arranged along the second direction.

5. The air suspension according to claim 4, characterized in that: It also includes a movable block, which is threadedly connected to the threaded rod and slidably connected to the limiting rod; The damper comprises a first rotating block, a damper body and a second rotating block, the first rotating block is pivotally connected to the movable block, the second end of the damper body is connected to the first rotating block, the first end of the damper body is connected to the second rotating block, and the second rotating block is pivotally connected to the first connecting frame; And / or, the second movable rod is closer to the mounting plate than the first movable rod, and the pivot axis of the second rotating block at the first connecting frame is colinear with the pivot axis of the first movable rod at the first connecting frame.

6. A vehicle, characterized in that: include: Axles, and An air suspension, wherein the air suspension is the air suspension described in any one of claims 1 to 5, wherein the mounting seat of the air suspension is connected to the axle, and the mounting plate of the air suspension is connected to the vehicle body, so as to adjust the distance between the vehicle body and the axle along a first direction.

7. The vehicle according to claim 6, characterized in that Also includes: A clamping box and a button, wherein the clamping box is connected to the axle, the button comprises a pressing portion, a sliding portion and an extruding portion which are connected in sequence, the pressing portion is located at the outer peripheral side of the clamping box, at least part of the sliding portion is slidably connected to the clamping box, and the extruding portion has a first position and a second position; A slide bar and an elastic clamp block, wherein the slide bar is connected to the clamp box, the elastic clamp block is slidably connected to the slide bar, the elastic clamp block has a clamping position pressed against the outer peripheral wall of the connecting air pipe of the air suspension and an unlocking position spaced from the outer peripheral wall of the connecting air pipe of the air suspension, and when the extrusion portion is switched from the first position to the second position, the elastic clamp block can slide from the clamping position to the unlocking position relative to the connecting air pipe; as well as A clamping spring is disposed between the clamping box and the elastic clamping block and can apply a biasing force to the elastic clamping block.

8. The vehicle according to claim 7, characterized in that The clamping box has an annular groove, the elastic clamp block is an elastic clamp ring with an opening at one end, the elastic clamp ring is coaxially matched in the annular groove, and the opening of the elastic clamp ring has a first guide surface and a second guide surface arranged oppositely; The extrusion portion has a first pressing surface and a second pressing surface arranged opposite to each other, the first pressing surface is movably connected to the first guide surface along the extension direction of the first guide surface, and the second pressing surface is movably connected to the second guide surface along the extension direction of the second guide surface, and the first guide surface and the second guide surface can push the extrusion portion from the second position to the first position under the action of the elastic force of the clamping spring.

9. The vehicle according to any one of claims 6 to 8, characterized in that: It also includes a limiting telescopic cylinder, a cylinder body of the limiting telescopic cylinder is connected to the axle, a piston rod of the limiting telescopic cylinder is connected to the mounting seat, the limiting telescopic cylinder can push and pull the mounting seat to slide along a third direction relative to the axle and lock the two when the mounting seat slides to any position relative to the axle, and the third direction forms an angle with the first direction.

10. The vehicle according to claim 9, characterized in that The axle includes a frame, a first brake disc and a second brake disc, the frame has a first end and a second end arranged opposite to each other along the third direction, the first brake disc is connected to the first end of the frame, the second brake disc is connected to the second end of the frame, and the air suspension is located between the first brake disc and the second brake disc.

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