A motor vehicle suspension system

Abstract

The application discloses a kind of automobile suspension systems, including bottom plate and the frame being arranged in the both sides of bottom plate, the both ends of two frames are connected with wheel, and the wheel between front and rear two ends is provided with suspension system, each wheel is independently connected with suspension system, transmission structure is arranged between two frames, and two frames are linked through transmission structure. The double wishbone structure of the present application can keep the wheel stable when it rises and falls, and the wheel always keeps vertical with the ground. When the wheel falls to the ground after rising, it can contact the ground smoothly without deviation, ensuring driving safety. Meanwhile, the wheel is connected with the frame, and the frame is connected with the frame through transmission structure, so that the linkage between multiple wheels can be generated. When a wheel rises and falls, the remaining three wheels will simultaneously grab the ground, and the wheel always keeps close to the ground, so the grip is stronger, and the car runs more stably.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile suspension, in particular to an automobile suspension system. BACKGROUND

[0002] The automobile suspension is one of the important assemblies on the automobile, and its main task is to transmit all the forces and moments between the wheels and the frame (or the vehicle body), and to mitigate the impact load of the road to the frame (or the vehicle body), and to attenuate the vibration caused thereby, so as to ensure the driving smoothness and the steering stability of the automobile. Among them, the reasonable design of the suspension system stiffness and damping plays a crucial role in ensuring the performance of the vehicle.

[0003] According to the search, the patent document with the publication number CN104029578B provides an automobile suspension system, wherein two wheels located at the same end are directly connected with the axle, the axle is a rigid member, the force received by one side wheel is transmitted to the other side wheel through the axle, so that the two wheels keep synchronous movement, when one side wheel drives on the bumpy road section while the other side drives on the flat road section, under the driving of the axle, the other side wheel also produces up and down fluctuation, the other side wheel leaves the ground, one side of the automobile will be suspended, the wheels cannot grip the ground, the vehicle body will produce deflection and shaking, and the driving process is very unsafe, meanwhile, the front and rear four wheels cannot be linked, the front two wheels and the rear two wheels work independently, and in the driving process, it cannot be ensured that each wheel grips the ground tightly, and the wheel grip is poor, and the automobile driving is unstable. SUMMARY

[0004] The purpose of the present application is to provide an automobile suspension system to solve the problem of the wheel unable to grip the ground and the poor wheel grip in the background technology.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] An automobile suspension system, comprising a bottom plate and a frame arranged on both sides of the bottom plate, two ends of two frames are connected with wheels, two wheels at the front and rear ends are provided with a suspension system, each wheel is independently connected with the suspension system, a transmission structure is arranged between the two frames, and the two frames are linked through the transmission structure, each wheel is independently damped through the corresponding suspension system, and four wheels are linked and cooperatively damped through the cooperation of the suspension system, the frame and the transmission structure.

[0007] As a further scheme of the present application: the suspension system comprises an I-shaped base, the I-shaped base is connected with the bottom plate through a support, upper and lower ends of both sides of the I-shaped base are respectively provided with upper and lower fork arms, the upper fork arm is composed of two supports rotatably connected to the upper end of one side of the I-shaped base, the lower fork arm is composed of two supports rotatably connected to the lower end of one side of the I-shaped base, the upper fork arm and the lower fork arm on the same side cooperate with each other and form a double fork arm structure.

[0008] As a further scheme of the present application: the suspension system comprises two double fork arm structures, the two double fork arm structures are symmetrically arranged around the I-shaped base, one end of each double fork arm structure away from the I-shaped base is provided with a connecting seat, upper and lower ends of the connecting seat are respectively rotatably connected with two supports in the corresponding upper fork arm and two supports in the corresponding lower fork arm, a wheel shaft sleeve is fixed to the middle of the outer side of the connecting seat, one end of the wheel shaft of the wheel is inserted into the wheel shaft sleeve.

[0009] As a further scheme of the present application: a first rotating shaft is arranged in the lower fork arm, the first rotating shaft is rotatably connected to the middle between the two supports in the lower fork arm, and both ends of the first rotating shaft extend to the outer side of the lower fork arm, both ends of the first rotating shaft are rotatably connected with connecting rods, one end of each of the two connecting rods extends to one side of the corresponding upper fork arm, and the top end of each of the two connecting rods is rotatably connected to the upper fork arm, a second rotating shaft is connected to the outer side of the top end of each of the two connecting rods, one end of each of the two second rotating shafts is rotatably connected with an L-shaped support, a third rotating shaft is arranged at the turning position of the body of the L-shaped support, one end of the third rotating shaft is rotatably connected to the I-shaped base.

[0010] As a further scheme of the present application: four L-shaped supports are arranged in the suspension system, every two of the four L-shaped supports form a group of support structures, two groups of the support structures are symmetrically arranged on the front and rear sides of the I-shaped base, a first damper is arranged in each of the two groups of support structures, and both ends of the first damper are rotatably connected with the top end of the corresponding two L-shaped supports.

[0011] As a further scheme of the present application: a second damper is arranged between the I-shaped base and the lower fork arm on both sides of the I-shaped base, a rotary joint is fixed to one side of the top of the I-shaped base corresponding to the two second dampers, one end of the second damper is rotatably connected to the first rotating shaft in the middle of the lower fork arm, and the other end of the second damper is rotatably connected to the corresponding rotary joint.

[0012] As a further scheme of the present application: two middle parts of the frame sides facing the bottom plate are fixed with transmission shafts, the top of the bottom plate is fixed with a plurality of vertical plates on one side corresponding to the two transmission shafts, and the two ends of the transmission shafts are respectively rotatably penetrated through the plurality of vertical plates on the corresponding side and extend to the two sides of the middle part above the bottom plate, and the ends of the two transmission shafts are fixed with driving bevel gears.

[0013] As a further scheme of the present application: the middle position of the top of the bottom plate corresponding to one side of the two driving bevel gears is rotatably connected with a transmission bevel gear through a support, and the two driving bevel gears are respectively engaged on the two sides of the transmission bevel gear, and the transmission shaft, the driving bevel gear and the transmission bevel gear cooperate to form the transmission structure for transmitting the deflection power of the frame on one side to the frame on the other side and making the frames on the two sides of the bottom plate linked.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] In the present application, the double fork arm structure can keep the wheels stable when they rise and fall, and the wheels always keep vertical to the ground. When the wheels fall to the ground after rising, they can stably contact the ground without deviation, ensuring driving safety. The two shock absorbers in the double fork arm structure cooperate with each other to synchronously buffer and absorb the wheels from two different directions, and the wheels will be more stable when they rise and fall. Meanwhile, the wheels are connected with the frame, and the frames are connected through the transmission structure, so that the multiple wheels can be linked. When a wheel rises and falls, the other three wheels will synchronously grab the ground, and the wheels always keep close to the ground, so the grip is stronger, and the car will be more stable. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 The structure of the present application is shown in the figure.

[0018] Figure 2 The first perspective view of the connection structure of the bottom plate and the frame in the present application.

[0019] Figure 3 The second perspective view of the connection structure of the bottom plate and the frame in the present application.

[0020] Figure 4A schematic view of the connection structure of the wheel and the suspension system in the present application.

[0021] Figure 5 A schematic view of the unfolded structure of the wheel and the suspension system in the present application.

[0022] Figure 6 A first perspective view of the suspension system in the present application.

[0023] Figure 7 A second perspective view of the suspension system in the present application.

[0024] Figure 8 A first perspective view of the unfolded double wishbone in the suspension system.

[0025] Figure 9 A second perspective view of the unfolded double wishbone in the suspension system.

[0026] Reference signs annotation: 1-bottom plate, 2-frame, 3-wheel, 4-suspension system, 41-I-shaped base, 42-lower wishbone, 43-upper wishbone, 44-connection seat, 45-wheel shaft sleeve, 46-connecting rod, 47-L-shaped support, 48-first shock absorber, 49-rotary joint, 410-second shock absorber, 411-first rotating shaft, 412-second rotating shaft, 413-third rotating shaft, 5-stand plate, 6-transmission shaft, 7-driving bevel gear, 8-driven bevel gear. DETAILED DESCRIPTION

[0027] The present application will be described in detail below with reference to the accompanying drawings, in which like or similar parts are designated with the same reference numerals throughout the several views, and the shape, thickness, or height of each part can be exaggerated or reduced in the actual application. The embodiments listed in the present application are only used to illustrate the present application, and are not used to limit the scope of the present application. Any obvious modification or change made to the present application does not deviate from the spirit and scope of the present application.

[0028] Please refer to Figures 1-9 In the embodiment of the present application, an automobile suspension system comprises a bottom plate 1 and a frame 2 arranged on both sides of the bottom plate 1, two ends of each frame 2 are connected with a wheel 3, a suspension system 4 is arranged between the front and rear two wheels 3, each wheel 3 is independently connected with the suspension system 4, a transmission structure is arranged between the two frames 2, and the two frames 2 are linked through the transmission structure.

[0029] When the automobile runs on a bumpy road section, each wheel 3 can be independently damped through the suspension system 4, when a certain wheel 3 on one side rises and falls, the frame 2 will drive the other wheel 3 on the same side to rise and fall synchronously and make the wheel close to the ground, and the front and rear two wheels 3 on the same side will simultaneously grab the ground to provide strong grip.

[0030] Meanwhile, when the two wheels 3 on one side of the vehicle body 2 go up and down, the vehicle body 2 connected with the two wheels 3 will produce a synchronous deflection, and the deflection power of the vehicle body 2 will be transmitted to the vehicle body 2 on the other side through the transmission structure, so that the vehicle body 2 on the other side will produce a corresponding deflection movement, and the wheels 3 at both ends of the vehicle body 2 on the other side will go up and down synchronously under the drive of the current vehicle body, so that the four wheels 3 can synchronously grab the ground, and the wheels 3 and the ground can always keep close contact, the ground adhesion force is stronger, and the vehicle runs more stably.

[0031] In addition, when one wheel 3 is damped through the suspension system 4, the other three wheels 3 will also work synchronously through the cooperation of the vehicle body 2 and the transmission structure, so that the suspension systems 4 of the four wheels 3 can work simultaneously, and the damping efficiency is higher and the effect is better.

[0032] Please refer to Figures 2-3 The middle part of the two vehicle bodies 2 facing one side of the bottom plate 1 is fixed with a transmission shaft 6, the top of the bottom plate 1 is fixed with a plurality of vertical plates 5 corresponding to one side of the two transmission shafts 6, one end of the two transmission shafts 6 is respectively rotatably penetrated through the corresponding plurality of vertical plates 5 on one side and extends to both sides of the middle part above the bottom plate 1, one end of the two transmission shafts 6 is fixed with a driving bevel gear 7, and the middle part of the top of the bottom plate 1 corresponding to one side of the two driving bevel gears 7 is rotatably connected with a transmission bevel gear 8 through a support, the two driving bevel gears 7 are respectively engaged on both sides of the transmission bevel gear 8, and the transmission shaft 6, the driving bevel gear 7 and the transmission bevel gear 8 are matched to form a transmission structure for transmitting the deflection power of the vehicle body 2 on one side to the vehicle body 2 on the other side, so that the vehicle bodies 2 on both sides of the bottom plate 1 are linked.

[0033] Please refer to Figures 4-9 The suspension system 4 comprises an I-shaped base 41, the I-shaped base 41 is connected with the bottom plate 1 through a support, and the upper and lower ends of the I-shaped base 41 on both sides are respectively provided with an upper fork arm 43 and a lower fork arm 42. The upper fork arm 43 is composed of two supports rotatably connected to the upper end of one side of the I-shaped base 41, and the lower fork arm 42 is composed of two supports rotatably connected to the lower end of one side of the I-shaped base 41. The upper fork arm 43 and the lower fork arm 42 on the same side are matched with each other and form a double fork arm structure.

[0034] The suspension system 4 comprises two double fork arm structures, and the two double fork arm structures are symmetrically arranged left and right with the I-shaped base 41 as the center. One end of each double fork arm structure away from the I-shaped base 41 is provided with a connecting seat 44, the upper and lower ends of the connecting seat 44 are respectively rotatably connected with the two supports in the corresponding upper fork arm 43 and the two supports in the corresponding lower fork arm 42, and the middle part of the outer side of the connecting seat 44 is fixed with a wheel shaft sleeve 45, and one end of the wheel shaft of the wheel 3 is inserted and installed in the wheel shaft sleeve 45.

[0035] The first rotating shaft 411 is arranged in the lower fork arm 42, and the two ends of the first rotating shaft 411 are rotatably connected to the middle part between the two supports in the lower fork arm 42, and the two ends of the first rotating shaft 411 extend to the outside of the lower fork arm 42, and the two ends of the first rotating shaft 411 are rotatably connected with the connecting rods 46, one end of each of the two connecting rods 46 extends to one side of the corresponding upper fork arm 43, and the top end of each of the two connecting rods 46 is rotatably connected to the upper fork arm 43, and the outside of the top end of each of the two connecting rods 46 is connected with the second rotating shaft 412, one end of each of the two second rotating shafts 412 is rotatably connected with the L-shaped support 47, and the third rotating shaft 413 is arranged at the turning position of the L-shaped support 47, and one end of the third rotating shaft 413 is rotatably connected to the I-shaped base 41.

[0036] The four L-shaped supports 47 are arranged in the suspension system 4, and every two of the four L-shaped supports 47 form a group of supports, and the two groups of supports are symmetrically arranged on the front and rear sides of the I-shaped base 41, and the first shock absorber 48 is arranged in each group of supports, and the two ends of the first shock absorber 48 are rotatably connected with the top end of the corresponding two L-shaped supports 47.

[0037] The second shock absorber 410 is arranged between the I-shaped base 41 and the lower fork arm 42 on the two sides of the I-shaped base 41, and the rotary joint 49 is fixed to the side of the top of the I-shaped base 41 corresponding to the two second shock absorbers 410, one end of the second shock absorber 410 is rotatably connected to the first rotating shaft 411 in the middle of the lower fork arm 42, and the other end of the second shock absorber 410 is rotatably connected to the corresponding rotary joint 49.

[0038] In the embodiment, the double fork arm structure formed by the upper fork arm 43 and the lower fork arm 42 can keep the wheel 3 stable when the wheel 3 rises and falls, so that the wheel 3 always keeps vertical with the ground, and when the wheel 3 falls to the ground after rising, the wheel 3 can stably contact with the ground and will not be inclined, ensuring the safety of driving, when the wheel 3 is lifted upward, the double fork arm structure will be lifted upward synchronously, at this time, the second shock absorber 410 connected with the lower fork arm 42 will be rotated and compressed to buffer and absorb the shock, and the first shock absorber 48 connected to the upper side of the upper fork arm 43 will be horizontally compressed to buffer and absorb the shock again, the first shock absorber 48 and the second shock absorber 410 cooperate with each other to buffer and absorb the shock of the double fork arm structure, so that the wheel 3 can be maximally buffered, and the wheel 3 will be more stable when rising and falling.

[0039] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identity of the reference signs therein.

[0040] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An automotive suspension system, characterized by, The application relates to a vehicle frame structure, which comprises a bottom plate (1) and two vehicle frames (2) arranged on both sides of the bottom plate (1), the two ends of each of the two vehicle frames (2) are connected with a vehicle wheel (3), a suspension system (4) is arranged between the two vehicle wheels (3) at the front and rear ends, each vehicle wheel (3) is independently connected with the suspension system (4), a transmission structure is arranged between the two vehicle frames (2), the two vehicle frames (2) are linked through the transmission structure, each vehicle wheel (3) is independently damped through the corresponding suspension system (4), and the four vehicle wheels (3) are linked and cooperatively damped through the cooperation of the suspension system (4), the vehicle frame (2) and the transmission structure. The suspension system (4) comprises an I-shaped base (41), the I-shaped base (41) is connected with the bottom plate (1) through a support, upper and lower ends on both sides of the I-shaped base (41) are respectively provided with upper and lower fork arms (43) and (42), the upper fork arm (43) is composed of two supports rotatably connected to the upper end on one side of the I-shaped base (41), the lower fork arm (42) is composed of two supports rotatably connected to the lower end on one side of the I-shaped base (41), the upper fork arm (43) and the lower fork arm (42) on the same side are matched with each other and form a double fork arm structure. The suspension system (4) comprises two double fork arm structures, the two double fork arm structures are symmetrically arranged on the left and right sides of the I-shaped base (41), one end of each double fork arm structure away from the I-shaped base (41) is provided with a connecting seat (44), the upper and lower ends of the connecting seat (44) are respectively rotatably connected with two supports in the corresponding upper fork arm (43) and two supports in the corresponding lower fork arm (42), a wheel shaft sleeve (45) is fixed to the middle of the outer side of the connecting seat (44), and one end of a wheel shaft of the vehicle wheel (3) is inserted into and mounted in the wheel shaft sleeve (45). The lower fork arm (42) is provided with a first rotating shaft (411), the first rotating shaft (411) is rotatably connected to the middle between the two supports in the lower fork arm (42), and the two ends of the first rotating shaft (411) extend to the outer side of the lower fork arm (42), the two ends of the first rotating shaft (411) are rotatably connected with connecting rods (46), one end of each of the two connecting rods (46) extends to one side of the corresponding upper fork arm (43) upwards, the top ends of the two connecting rods (46) are rotatably connected to the upper fork arm (43), the outer sides of the top ends of the two connecting rods (46) are connected with second rotating shafts (412), one end of each of the two second rotating shafts (412) is rotatably connected with an L-shaped support (47), the L-shaped support (47) is provided with a third rotating shaft (413) at the turning position of the support body, and one end of the third rotating shaft (413) is rotatably connected to the I-shaped base (41). Four L-shaped supports (47) are arranged in the suspension system (4), every two of the four L-shaped supports (47) form a group, and a group of support structures are symmetrically arranged on the front and rear sides of the I-shaped base (41), and a first damper (48) is arranged in each group of support structures, and the two ends of the first damper (48) are rotatably connected with the top ends of the corresponding two L-shaped supports (47); Second dampers (410) are arranged between the I-shaped base (41) and the lower fork arms (42) on both sides of the I-shaped base (41), and rotary joints (49) are fixed on one side of the I-shaped base (41) corresponding to the two second dampers (410) on the top of the I-shaped base (41), one end of the second damper (410) is rotatably connected to the first rotating shaft (411) in the middle of the lower fork arm (42), and the other end of the second damper (410) is rotatably connected to the corresponding rotary joint (49).

2. The automotive suspension system of claim 1, wherein, A transmission shaft (6) is fixed to the middle of the side of each of the two vehicle frames (2) facing the bottom plate (1), a plurality of vertical plates (5) are fixed to the side of the top of the bottom plate (1) corresponding to the two transmission shafts (6), and one end of each of the two transmission shafts (6) is rotatably connected to the plurality of vertical plates (5) on the corresponding side and extends to the two sides of the middle part above the bottom plate (1), and a driving bevel gear (7) is fixed to one end of each of the two transmission shafts (6).

3. The automotive suspension system of claim 2, wherein, A transmission bevel gear (8) is rotatably connected to the middle position of the side of the top of the bottom plate (1) corresponding to the two driving bevel gears (7) through a support, and the two driving bevel gears (7) are respectively engaged on the two sides of the transmission bevel gear (8), the transmission shaft (6), the driving bevel gear (7) and the transmission bevel gear (8) cooperate to form the transmission structure, which is used for transmitting the deflection power of the vehicle frame (2) on one side to the vehicle frame (2) on the other side, and making the vehicle frames (2) on both sides of the bottom plate (1) linked.

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