Height sensor, vehicle rear suspension assembly and vehicle

Abstract

The utility model provides a height sensor, a vehicle rear suspension assembly and a vehicle. The height sensor comprises a height sensor body; one end of the rocker arm is connected to the height sensor body; one end of the connecting rod is rotationally connected with the other end of the rocker arm; the first support is connected to the other end of the connecting rod, the first support extends outwards in the direction perpendicular to the connecting rod, the first support comprises a first connecting plate and a first fastener, the first connecting plate is provided with a first connecting hole, and the first connecting hole penetrates through the first connecting plate in the thickness direction of the first connecting plate; the first connecting hole is matched with a mounting hole of the axle, and the first fastener penetrates through the first connecting hole and is used for being connected with the axle; the height sensor body is fixed to the second support, and the second support is used for being connected with a vehicle frame. An additional mounting structure or an additional connecting hole does not need to be arranged on the axle, so that the overall weight of the vehicle and the strength of the axle are prevented from being increased, and the lightweight design of the vehicle is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicles, in particular to a height sensor, a vehicle rear suspension assembly and a vehicle. BACKGROUND

[0002] In the related art, a height sensor needs to be configured to measure the height change information of the suspension of a vehicle. The height sensor is generally arranged in the front and rear suspensions, one end of the height sensor is connected with an axle, and the other end is connected with a vehicle body or a vehicle frame. When the suspension adjusts the height of the vehicle cabin, the height sensor moves, a chip in the height sensor generates different potential differences, and the chip converts the signals and outputs them to the control device of the suspension.

[0003] The existing height sensor is connected with the axle by an additional mounting bracket, an additional mounting hole needs to be provided on the axle, thereby affecting the strength of the axle and additionally increasing the overall weight of the vehicle. SUMMARY

[0004] The present application provides a height sensor which can be directly mounted on an axle and is beneficial to the lightweight design of a vehicle, a vehicle rear suspension assembly and a vehicle.

[0005] In a first aspect, the present application provides a height sensor, comprising: a height sensor body; a rocker arm, one end of the rocker arm being connected to the height sensor body; a connecting rod, one end of the connecting rod being rotatably connected to the other end of the rocker arm; a first bracket, the first bracket being connected to the other end of the connecting rod, the first bracket extending outwardly in a direction perpendicular to the connecting rod, the first bracket comprising a first connecting plate and a first fastener, the first connecting plate being provided with a first connecting hole, the first connecting hole penetrating through the first connecting plate in a thickness direction of the first connecting plate, the first connecting hole being matched with a mounting hole of an axle, the first fastener being provided in the first connecting hole and being used for connecting the axle; and a second bracket, the height sensor body being fixed to the second bracket, the second bracket being used for connecting a vehicle frame.

[0006] By providing the first connecting hole matched with the mounting hole of the axle on the first connecting plate, the height sensor can be directly mounted on the axle through the first connecting hole and the first fastener, without the need to provide an additional mounting structure or an additional connecting hole on the axle, thereby avoiding the increase of the overall weight of the vehicle and the strength of the axle, and being beneficial to the lightweight design of the vehicle.

[0007] Optionally, the first bracket comprises a connecting rod, the connecting rod being provided with a first bending portion, the first bending portion extending into the connecting rod and being rotatably connected with respect to the connecting rod, the other end of the connecting rod being fixed to the first connecting plate.

[0008] Optionally, the first connecting plate comprises a first connecting portion, a second connecting portion and a third connecting portion connected in sequence, the first connecting hole is arranged on the first connecting portion, and the third connecting portion is provided with a second connecting hole, and the connecting rod is arranged in and fixed to the second connecting hole.

[0009] Optionally, the first connecting portion and the third connecting portion are arranged in parallel, and the second connecting portion is arranged perpendicularly to the first connecting portion and the third connecting portion.

[0010] Optionally, the second connecting plate and the third connecting plate are arranged in parallel and fixed to each other, and the third connecting plate is used for connecting the vehicle frame.

[0011] Optionally, the third connecting plate comprises a fourth connecting portion, a fifth connecting portion and a sixth connecting portion connected in sequence, the fourth connecting portion is connected to the second connecting plate, and the sixth connecting portion is used for connecting the vehicle frame.

[0012] Optionally, the fourth connecting portion and the sixth connecting portion are arranged in parallel, and the fifth connecting portion is arranged perpendicularly to the fourth connecting portion and the sixth connecting portion.

[0013] In a second aspect, the application provides a vehicle rear suspension assembly, comprising a vehicle frame, an axle, a suspension and the height sensor of the first aspect, the suspension connects the vehicle frame and the axle, the first support of the height sensor is connected to the axle, and the second support is connected to the vehicle frame.

[0014] Optionally, the vehicle frame comprises a bottom plate and a mounting portion extending upward along the bottom plate, and the suspension and the axle are arranged in the mounting portion.

[0015] Both ends of the axle in a first direction are used for connecting tires.

[0016] The suspension comprises an air bag and a shock absorber, the bottom of the air bag and the bottom of the shock absorber are connected to both ends of the axle in a second direction, the top of the air bag and the top of the shock absorber are connected to the lower surface of the mounting portion, and the second direction is perpendicular to the first direction.

[0017] Optionally, the vehicle rear suspension assembly comprises a first connecting piece, one end of the first connecting piece is connected to the top of the air bag, the other end of the first connecting piece is connected to the lower surface of the mounting portion, the first connecting piece is provided with an opening portion and a containing portion, the containing portion is arranged on the side of the first connecting piece facing the air bag, and the opening portion is arranged on at least one side surface of the first connecting piece and communicates with the containing portion.

[0018] The suspension comprises an air inlet joint and an air inlet pipe, the air inlet pipe is communicated with the air bag through the air inlet joint, the containing part is used for containing the air inlet joint, and the air inlet pipe is arranged in the opening part.

[0019] Optionally, the first connecting member is provided with a plurality of opening parts in the circumferential direction.

[0020] Optionally, the frame comprises a second connecting member, two ends of the second connecting member are connected to the frame in the second direction, a plurality of connecting holes are arranged in the second connecting member in the second direction, the plurality of connecting holes are distributed in the axial symmetry along the central axis of the second connecting member extending in the first direction, and the shock absorber is connected to the second connecting member through the connecting hole.

[0021] In a third aspect, the application provides a vehicle, which comprises the vehicle rear suspension assembly of the second aspect.

[0022] Optionally, the vehicle comprises a vehicle cabin, a vehicle door and a flap, the vehicle cabin comprises a vehicle cabin bottom plate, the flap is movably connected with respect to the vehicle cabin bottom plate to be capable of switching between an extended state and a retracted state,

[0023] When the flap is in the extended state, the flap extends out of the vehicle door, one end of the flap is connected to the vehicle cabin bottom plate, and the other end is inclined downward and adheres to the road surface on which the vehicle travels;

[0024] When the flap is in the retracted state, the flap is accommodated in the vehicle cabin.

[0025] Optionally, the vehicle cabin bottom plate is provided with an inclined part at a position corresponding to the vehicle door, the inclined part extends downward in the direction close to the vehicle door;

[0026] One end of the flap is connected to the edge of the inclined part. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and serve to explain the principles of the present disclosure, together with the description.

[0028] Figure 1 The figure shows a schematic diagram of one embodiment of the height sensor of the application.

[0029] Figure 2 The figure shows Figure 1 The figure shows a schematic diagram of the height sensor arranged in the vehicle rear suspension assembly.

[0030] Figure 3 The figure shows Figure 1A schematic view of another perspective of the height sensor shown in the vehicle rear suspension assembly.

[0031] Figure 4 A schematic view of one embodiment of the vehicle rear suspension assembly of the present application is shown.

[0032] Figure 5 A schematic view of one embodiment of the first connecting member of the vehicle rear suspension assembly of the present application is shown.

[0033] Figure 6 A schematic view of one embodiment of the second connecting member of the vehicle rear suspension assembly of the present application is shown.

[0034] Figure 7 A schematic view of the vehicle rear suspension assembly of the present application is shown.

[0035] Figure 8 A schematic view of one embodiment of the vehicle of the present application is shown.

[0036] BRIEF DESCRIPTION OF DRAWINGS

[0037] 100, height sensor; 110, rocker arm; 120, connecting rod; 130, first bracket; 131, connecting rod; 132, first connecting plate; 1321, first connecting portion; 1322, second connecting portion; 1323, third connecting portion; 1324, first connecting hole; 1325, second connecting hole; 140, second bracket; 141, second connecting plate; 1411, third connecting hole; 142, third connecting plate; 1421, fourth connecting portion; 1422, fifth connecting portion; 1423, sixth connecting portion; 150, height sensor body;

[0038] 200, vehicle rear suspension assembly; 210, vehicle frame; 211, bottom plate; 212, mounting portion; 220, axle; 230, suspension; 231, air bag; 232, shock absorber; 240, first connecting member; 241, accommodating portion; 242, opening portion; 250, second connecting member; 251, connecting hole;

[0039] 300, vehicle; 310, vehicle cabin; 311, vehicle cabin bottom plate; 312, tilting portion; 320, flap. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments (or, “modes of implementation”) of the present application will be described clearly and completely in conjunction with the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

[0041] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0042] This application provides a height sensor 100, a rear suspension assembly 200, and a vehicle 300. The height sensor 100, rear suspension assembly 200, and vehicle 300 of this application will be described in detail below with reference to the accompanying drawings. Unless otherwise specified, the features of the following embodiments and implementations can be combined with each other.

[0043] This application provides a height sensor 100, see [link to previous document]. Figures 1-3 As shown, the system includes a height sensor 100 body, a rocker arm 110, a connecting rod 120, a first bracket 130, and a second bracket 140. One end of the rocker arm 110 is connected to the height sensor 100 body. One end of the connecting rod 120 is rotatably connected to the other end of the rocker arm 110. The first bracket 130 is connected to the other end of the connecting rod 120 and extends outward in a direction perpendicular to the connecting rod 120. The first bracket 130 includes a first connecting plate 132 and a first fastener. The first connecting plate 132 is provided with a first connecting hole 1324, which penetrates the first connecting plate 132 along its thickness direction and matches the mounting hole of the axle 220. The first fastener passes through the first connecting hole 1324 and is used to connect the axle 220. The second bracket 140 is used to connect the height sensor 100 body to the second bracket 140 and the second bracket 140 is used to connect the vehicle frame 210. When the vehicle 300 adjusts the height of the carriage 310 via the suspension 230, the height position between the axle 220 and the frame 210 changes, causing the connecting rod 120 to drive the rocker arm 110 to rotate. One end of the rocker arm 110 is connected to the height sensor 100 body, and the height sensor 100 processes and outputs a height change signal.

[0044] The bus 300 is provided with a plurality of axles 220 at positions corresponding to front and rear wheels, and the plurality of axles 220 are identical in structure. The front axle 220 needs to be connected with the stabilizer bar, and therefore the axle 220 is provided with a mounting hole. The rear axle 220 does not need to be provided with the stabilizer bar. By providing the first connecting plate 132 with a first connecting hole 1324 matched with the mounting hole of the axle 220, the height sensor 100 can be directly mounted on the axle 220 through the first connecting hole 1324 and the first fastener, without the need of providing an additional mounting structure or opening an additional connecting hole 251 on the axle 220, thereby avoiding the increase of the overall weight of the vehicle 300 and the strength of the axle 220, and facilitating the lightweight design of the vehicle 300.

[0045] In an optional embodiment, referring to Figures 1-3 As shown, the first support 130 includes a connecting rod 131 provided with a first bending portion extending into the connecting rod 120 and connected with the connecting rod 120 in rotation, and the other end of the connecting rod 131 is fixed to the first connecting plate 132.

[0046] The connecting rod 131 is fixed to the axle 220 of the vehicle 300 through the first connecting plate 132, and when the vehicle 300 adjusts the height of the vehicle body through the suspension 230, the connecting rod 131 moves with the axle 220, thereby moving the position of the connecting rod 120 connected with the connecting rod 131, so as to move the rocker arm 110 driven by the connecting rod 120. One end of the rocker arm 110 is connected with the body of the height sensor 100, and the height change signal is output after being processed by the height sensor 100.

[0047] In an optional embodiment, referring to Figures 1-3 As shown, the first connecting plate 132 includes a first connecting portion 1321, a second connecting portion 1322 and a third connecting portion 1323 connected in sequence. The first connecting hole 1324 is arranged on the first connecting portion 1321, and the third connecting portion 1323 is provided with a second connecting hole 1325, and the connecting rod 131 is arranged through and fixed in the second connecting hole 1325.

[0048] Through the above arrangement, it is beneficial to disperse the external impact and vibration received by the first connecting plate 132, and beneficial to the strength of the first connecting plate 132, thereby beneficial to the connection reliability between the height sensor 100 and the axle 220.

[0049] In an optional embodiment, referring to Figures 1-3As shown, the first connecting portion 1321 and the third connecting portion 1323 are arranged in parallel, and the second connecting portion 1322 is arranged perpendicularly to the first connecting portion 1321 and the third connecting portion 1323. Specifically, the first connecting portion 1321 and the second connecting portion 1322 are arranged on the side surface of the axle 220, which is conducive to dispersing external impact and vibration received by the first connecting plate 132, so that the axle 220 provides support to the first connecting portion 1321 and the second connecting portion 1322; reduces the occupied space of the first connecting plate 132, which is conducive to the strength of the first connecting plate 132, thereby being conducive to the connection reliability between the height sensor 100 and the axle 220.

[0050] In an optional embodiment, referring to Figures 1-3 As shown, the second support 140 includes a second connecting plate 141 and a third connecting plate 142. The second connecting plate 141 is provided with a third connecting hole 2511411, and the body of the height sensor 100 is fixed in the third connecting hole 2511411. The third connecting plate 142 is arranged in a spaced manner with the second connecting plate 141 and is fixed with each other, and the third connecting plate 142 is used for connecting the vehicle frame 210.

[0051] Through the above arrangement, the second support 140 is arranged in a split structure, the size of the third connecting plate 142 can be adjusted according to different specifications of the vehicle 300, so that the height sensor 100 can be applied to vehicles 300 of different sizes, which is conducive to the applicability of the height sensor 100.

[0052] In an optional embodiment, referring to Figures 1-3 As shown, the third connecting plate 142 includes a fourth connecting portion 1421, a fifth connecting portion 1422 and a sixth connecting portion 1423 connected in sequence. The fourth connecting portion 1421 is connected with the second connecting plate 141, and the sixth connecting portion 1423 is used for connecting the vehicle frame 210.

[0053] Through the above arrangement, it is conducive to dispersing external impact and vibration received by the third connecting plate 142, which is conducive to the strength of the third connecting plate 142, thereby being conducive to the connection reliability between the height sensor 100 and the vehicle frame 210.

[0054] In an optional embodiment, referring to Figures 1-3 As shown, the fourth connecting portion 1421 and the sixth connecting portion 1423 are arranged in parallel, and the fifth connecting portion 1422 is arranged perpendicularly to the fourth connecting portion 1421 and the sixth connecting portion 1423.

[0055] The fourth connecting part 1421 is attached to the second connecting plate 141, and the sixth connecting part 1423 is attached to the vehicle frame 210, thereby facilitating dispersion of external impact and vibration received by the third connecting plate 142, facilitating the strength of the first connecting plate 132, and thereby facilitating the connection reliability between the height sensor 100 and the axle 220. By adjusting the size of the fifth connecting part 1422, the specification of the third connecting plate 142 can be adjusted, so that the height sensor 100 can be installed on vehicles 300 of different sizes, and the applicability of the height sensor 100 is facilitated.

[0056] The application also provides a vehicle rear suspension assembly 200, as shown in Figure 4 The vehicle rear suspension assembly 200 includes a vehicle frame 210, an axle 220, a suspension 230, and a height sensor 100. The suspension 230 connects the vehicle frame 210 and the axle 220, the first bracket 130 of the height sensor 100 is connected to the axle 220, and the second bracket 140 is connected to the vehicle frame 210.

[0057] By providing a first connecting hole 1324 on the first connecting plate 132 that matches the mounting hole of the axle 220, the height sensor 100 can be directly mounted on the axle 220 through the first connecting hole 1324 and the first fastener, without the need to provide additional mounting structures or additional connecting holes 251 on the axle 220, avoiding the increase in the overall weight of the vehicle 300 and the strength of the axle 220, and facilitating the lightweight design of the vehicle 300.

[0058] In an optional embodiment, the vehicle frame 210 includes a bottom plate 211 and a mounting portion 212 extending upwardly from the bottom plate 211, and the suspension 230 and the axle 220 are arranged in the mounting portion 212. Both ends of the axle 220 in a first direction are used to connect tires. The suspension 230 includes an air bag 231 and a shock absorber 232, the bottom of the air bag 231 and the bottom of the shock absorber 232 are connected to both ends of the axle 220 in a second direction, and the top of the air bag 231 and the top of the shock absorber 232 are connected to the lower surface of the mounting portion 212. The second direction is perpendicular to the first direction.

[0059] Specifically, the first direction is the width direction of the vehicle 300, and the second direction is the length direction of the vehicle 300. Through the above arrangement, the relative position height between the bottom plate 211 and the roadside on which the vehicle 300 travels is reduced, and sufficient mounting space for the axle 220 and the tires is provided, which facilitates the reduction of the height of the vehicle compartment 310 of the vehicle 300 when the vehicle rear suspension assembly 200 is arranged on a low-floor bus vehicle 300, thereby facilitating the passengers to get on and off the vehicle.

[0060] Further, the driver can control the air bags 231 at different positions of the vehicle 300 to inflate or deflate by the control device. When the vehicle 300 is a low-floor bus, the driver can control the whole carriage 310 to descend by the control device when the vehicle 300 stops at a station, so as to reduce the height difference between the carriage floor 311 and the road surface, facilitating passengers to get on or off the vehicle. In the preferred embodiment, the driver can also control the vehicle 300 to tilt towards the side of the door, so as to further reduce the height difference between the carriage floor 311 at the door position and the road surface, facilitating passengers to get on or off the vehicle.

[0061] In the optional embodiment, the vehicle 300 is provided with an electrically controlled air suspension 230 system, so as to increase the sensitivity of the air bag 231 inflation or deflation reaction, thereby increasing the comfort of the whole vehicle, saving 20%-30% of air consumption, and being conducive to reducing the energy consumption of the vehicle 300 during driving.

[0062] In the optional embodiment, as shown in Figure 5 and Figure 7 , the vehicle rear suspension assembly 200 comprises a first connecting piece 240, one end of the first connecting piece 240 is connected to the top of the air bag 231, and the other end is connected to the lower surface of the mounting portion 212. The first connecting piece 240 is provided with an opening portion 242 and a receiving portion 241. The receiving portion 241 is arranged on the side of the first connecting piece 240 facing the air bag 231, and the opening portion 242 is arranged on at least one side surface of the first connecting piece 240 and communicates with the receiving portion 241. The suspension 230 comprises an air inlet joint and an air inlet pipe, the air inlet pipe communicates with the air bag 231 through the air inlet joint, the receiving portion 241 is used for accommodating the air inlet joint, and the air inlet pipe is arranged in the opening portion 242.

[0063] By arranging the receiving portion 241, the height space between the air bag 231 and the vehicle frame 210 is reduced, which is conducive to reducing the height of the carriage 310 of the vehicle 300 when the vehicle rear suspension assembly 200 is arranged on the low-floor bus 300, thereby facilitating passengers to get on or off the vehicle. By arranging the opening portion 242, the connection between the air inlet pipe and the air bag 231 is facilitated, thereby simplifying the assembly and maintenance of the vehicle rear suspension assembly 200.

[0064] In the optional embodiment, as shown in Figure 5 and Figure 7 , the first connecting piece 240 is circumferentially provided with a plurality of opening portions 242. In this embodiment, the first connecting piece 240 is provided with four side surfaces, and each side surface is provided with an opening portion 242.

[0065] By the above arrangement, the weight of the first connecting member 240 is reduced, thereby reducing the overall weight of the vehicle rear suspension assembly 200. By arranging the plurality of opening portions 242, the air inlet pipe is connected to the air bag 231, thereby simplifying the assembly and maintenance of the vehicle rear suspension assembly 200.

[0066] In an optional embodiment, referring to Figs. 1 and 2, the vehicle frame 210 comprises a second connecting member 250. The second connecting member 250 is arranged with a plurality of connecting holes 251 in the second direction, the two ends of the second connecting member 250 are connected to the vehicle frame 210, the plurality of connecting holes 251 are distributed along the central axis of the second connecting member 250 in the first direction, and the shock absorber 232 is connected to the second connecting member 250 through the connecting hole 251. Figure 6 Figure 7 By the above arrangement, when the second connecting member 250 is connected to the vehicle frame 210, the positions of the two ends of the second connecting member 250 in the second direction do not need to be distinguished, thereby reducing the risk of assembly errors of the vehicle rear suspension assembly 200, and facilitating the assembly of the vehicle rear suspension 230 of the vehicle 300.

[0067] By the above arrangement, when the second connecting member 250 is connected to the vehicle frame 210, the positions of the two ends of the second connecting member 250 in the second direction do not need to be distinguished, thereby reducing the risk of assembly errors of the vehicle rear suspension assembly 200, and facilitating the assembly of the vehicle rear suspension 230 of the vehicle 300.

[0068] The application also provides a vehicle 300 comprising the vehicle rear suspension assembly 200. Specifically, in the embodiment, the vehicle 300 is a low-floor bus.

[0069] In an optional embodiment, referring to Figs. 1 and 2, the vehicle 300 comprises a vehicle cabin 310, a vehicle door, and a flap 320. The vehicle cabin 310 comprises a vehicle cabin floor 311, and the flap 320 is movably connected to the vehicle cabin floor 311 to be switched between an extended state and a retracted state. When the flap 320 is in the extended state, the flap 320 extends out of the vehicle door, one end of the flap is connected to the vehicle cabin floor 211, and the other end is inclined downward and adheres to the road surface on which the vehicle 300 travels. When the flap 320 is in the retracted state, the flap 320 is accommodated inside the vehicle cabin 310. Figure 8 By the above arrangement, when the vehicle 300 is parked and passengers get on and off, the flap extends out of the vehicle door, one end of the flap is connected to the vehicle cabin floor 311, and the other end is inclined downward and adheres to the road surface on which the vehicle 300 travels, and a slope is formed between the road surface and the vehicle cabin floor 311 by the flap 320, thereby facilitating passengers to get on and off the vehicle 300. When the vehicle 300 is traveling, the flap 320 is accommodated inside the vehicle cabin 310, thereby facilitating the safety of the vehicle 300.

[0070] In an optional embodiment, referring to Figs. 1 and 2, the vehicle 300 comprises a vehicle cabin 310, a vehicle door, and a flap 320. The vehicle cabin 310 comprises a vehicle cabin floor 311, and the flap 320 is movably connected to the vehicle cabin floor 311 to be switched between an extended state and a retracted state. When the flap 320 is in the extended state, the flap 320 extends out of the vehicle door, one end of the flap is connected to the vehicle cabin floor 211, and the other end is inclined downward and adheres to the road surface on which the vehicle 300 travels. When the flap 320 is in the retracted state, the flap 320 is accommodated inside the vehicle cabin 310.

[0071] Figure 8 ​​As shown, the carriage floor 311 is provided with an inclined portion 312 at the position corresponding to the door, which extends downwardly in the direction close to the door. One end of the flap 320 is connected to the edge of the inclined portion 312. Specifically, the included angle θ between the inclined portion 312 and the horizontal plane can be between 2-3°.

[0072] Through the above arrangement, when the vehicle 300 is parked and passengers get on and off, the flap 320 extends out of the door, one end of the flap 320 is connected to the carriage floor 211, and the other end is inclined downwardly and adheres to the ground, which can reduce the included angle between the flap 320 and the ground, and the slope formed between the road surface and the carriage floor 311 by the flap 320 is more gentle, thereby facilitating passengers to get on and off the vehicle 300.

[0073] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of the present application is not limited to the precise structure described in the above embodiments and shown in the accompanying drawings; any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A height sensor, characterized by The height sensor comprises: a height sensor body; a rocker arm, one end of which is connected to the height sensor body; a connecting rod, one end of which is rotatably connected to the other end of the rocker arm; a first support, the other end of the connecting rod being connected to the first support, the first support extending outwardly in a direction perpendicular to the connecting rod, the first support comprising a first connecting plate and a first fastener, the first connecting plate being provided with a first connecting hole penetrating the first connecting plate in a thickness direction of the first connecting plate, the first connecting hole being matched with a mounting hole of an axle, the first fastener being arranged in the first connecting hole and used for connecting the axle; a second support, the height sensor body being fixed to the second support, the second support being used for connecting a vehicle frame.

2. The height sensor according to claim 1, characterized in that The first support comprises a connecting rod, the connecting rod being provided with a first bent portion, the first bent portion extending into the connecting rod and being rotatably connected with respect to the connecting rod, the other end of the connecting rod being fixed to the first connecting plate.

3. The height sensor according to claim 2, characterized in that The first connecting plate comprises a first connecting portion, a second connecting portion and a third connecting portion which are sequentially and bendingly connected, the first connecting hole being arranged in the first connecting portion, the third connecting portion being provided with a second connecting hole, the connecting rod being arranged in and fixed to the second connecting hole.

4. The height sensor according to claim 3, characterized in that The first connecting portion and the third connecting portion are arranged in parallel, and the second connecting portion is arranged perpendicularly with respect to the first connecting portion and the third connecting portion.

5. The height sensor of claim 1, wherein, The second support comprises a second connecting plate and a third connecting plate, the second connecting plate being provided with a third connecting hole, the height sensor body being fixed in the third connecting hole; the third connecting plate is arranged in a spaced-apart manner with respect to the second connecting plate and is fixed to the second connecting plate, the third connecting plate being used for connecting the vehicle frame.

6. The height sensor according to claim 5, characterized in that The third connecting plate comprises a fourth connecting portion, a fifth connecting portion and a sixth connecting portion which are sequentially and bendingly connected, the fourth connecting portion being connected to the second connecting plate, the sixth connecting portion being used for connecting the vehicle frame.

7. The height sensor according to claim 6, characterized in that The fourth connecting portion and the sixth connecting portion are arranged in parallel, and the fifth connecting portion is arranged perpendicularly with respect to the fourth connecting portion and the sixth connecting portion.

8. A vehicle rear suspension assembly characterized by, The height sensor comprises a vehicle frame, an axle, a suspension and the height sensor according to any one of claims 1-7, the suspension connecting the vehicle frame and the axle, the first support of the height sensor being connected to the axle, and the second support being connected to the vehicle frame.

9. The vehicle rear suspension assembly of claim 8, wherein, The vehicle frame comprises a bottom plate and a mounting portion extending upwardly from the bottom plate, the suspension and the axle being arranged in the mounting portion; both ends of the axle in a first direction are used for connecting tires; the suspension comprises an air bag and a shock absorber, the bottom of the air bag and the bottom of the shock absorber being connected to both ends of the axle in a second direction, the top of the air bag and the top of the shock absorber being connected to a lower surface of the mounting portion, wherein the second direction is perpendicular to the first direction.

10. The vehicle rear suspension assembly of claim 9, wherein, The vehicle rear suspension assembly comprises a first connecting member, one end of which is connected to the top of the air bag and the other end of which is connected to the lower surface of the mounting portion, the first connecting member being provided with an opening portion and a receiving portion, the receiving portion being provided on the side of the first connecting member facing the air bag, and the opening portion being provided on at least one side surface of the first connecting member and being in communication with the receiving portion; The suspension comprises an air inlet connector and an air inlet pipe, the air inlet pipe being in communication with the air bag through the air inlet connector, the receiving portion being used for accommodating the air inlet connector, and the air inlet pipe being arranged through the opening portion.

11. The vehicle rear suspension assembly of claim 10, wherein, The first connecting member is circumferentially provided with a plurality of opening portions.

12. The vehicle rear suspension assembly of claim 9, wherein, The frame comprises a second connecting member, both ends of the second connecting member in the second direction being connected to the frame, the second connecting member being provided with a plurality of connecting holes in the second direction, the plurality of connecting holes being distributed in axial symmetry along the central axis of the second connecting member extending in the first direction, and the shock absorber being connected to the second connecting member through the connecting holes.

13. A vehicle characterized by comprising: The vehicle comprises the vehicle rear suspension assembly according to any one of claims 8-12.

14. The vehicle of claim 13, wherein, The vehicle comprises a vehicle cabin, a vehicle door and a flap, the vehicle cabin comprising a vehicle cabin bottom plate, the flap being movably connected relative to the vehicle cabin bottom plate to be capable of being switched between an extended state and a retracted state, When the flap is in the extended state, the flap extends out of the vehicle door, one end of the flap being connected to the vehicle cabin bottom plate and the other end of the flap being inclined downward and being attached to the road surface on which the vehicle travels; When the flap is in the retracted state, the flap is accommodated inside the vehicle cabin.

15. The vehicle of claim 14, wherein, The vehicle cabin bottom plate is provided with an inclined portion at a position corresponding to the vehicle door, the inclined portion being inclined downward and extending in the direction close to the vehicle door; One end of the flap is connected to the edge of the inclined portion.

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