CN217598769U

CN217598769U - Suspension device and vehicle

Info

Publication number: CN217598769U
Application number: CN202222089120.6U
Authority: CN
Inventors: 张�荣; 张瑞德
Original assignee: Tianjin Jinde Electric Bicycle Parts Co ltd
Current assignee: Tianjin Jinde Electric Bicycle Parts Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-18
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a tricycle technical field provides a linkage and vehicle. The suspension device comprises a support and a suspension mechanism, and the support is provided with a fourth hinge joint and a fifth hinge joint; the suspension mechanism comprises a suspension frame and a connecting rod assembly, the suspension frame is provided with a first hinge position, a second hinge position and a rotary hinge position for rotatably connecting the wheel body, the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the first hinge position, the other end of the first connecting rod is hinged to the fourth hinge position, one end of the second connecting rod is hinged to the second hinge position, and the other end of the second connecting rod is hinged to the fifth hinge position; the suspension mechanisms are respectively arranged on two sides of the support. The utility model provides a linkage rotates through first connecting rod and second connecting rod and adjusts, reduces the influence of wheel body fluctuation to the frame, and the shock attenuation effect is experienced better with riding, and simultaneously, linkage can assemble into modular structure, and convenient equipment still helps promoting production efficiency.

Description

Suspension device and vehicle

Technical Field

The utility model relates to a tricycle technical field especially relates to linkage and vehicle.

Background

As a common vehicle, among the correlation technique, two wheel bodies (hereinafter referred to as left wheel and right wheel) at the back of tricycle use differential mechanism and motor cooperation to provide drive power, and left wheel and right wheel structure as an organic whole, in actually riding, when the road conditions is not good, if meet pothole road surface, left wheel and right wheel can not shock attenuation alone, and left wheel and right wheel all can jolt from top to bottom, and the shock attenuation effect is not good, and the experience of riding is not good. In addition, the wheel body of the differential drive and the suspension system are required to have high precision when being assembled, the assembly operation is troublesome, and the production efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a suspension device rotates through first connecting rod and second connecting rod and adjusts, reduces the influence of wheel body fluctuation to the frame, and the shock attenuation effect is experienced better with riding, and simultaneously, suspension device can assemble into modular structure, and convenient equipment still helps promoting production efficiency.

The utility model provides a vehicle.

According to the utility model discloses suspension device, include:

the bracket is provided with a fourth hinge joint and a fifth hinge joint;

the suspension mechanism comprises a suspension frame and a connecting rod assembly, the suspension frame is provided with a first hinge position, a second hinge position and a rotary hinge position for rotatably connecting the wheel body, the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the first hinge position, the other end of the first connecting rod is hinged to the fourth hinge position, one end of the second connecting rod is hinged to the second hinge position, and the other end of the second connecting rod is hinged to the fifth hinge position;

the suspension mechanisms are respectively arranged on two sides of the support.

According to the utility model discloses an embodiment, the support include first pole portion with connect in the second pole portion of first pole portion front side, first pole portion extends along the fore-and-aft direction, second pole portion extends along left right direction, the second connecting rod articulate in first pole portion, first connecting rod articulate in second pole portion, first connecting rod forms the contained angle with the horizontal plane.

According to the utility model discloses an embodiment, link assembly still includes the third connecting rod, the third connecting rod sets up along controlling the direction, the one end of third connecting rod is articulated the third articulated position of mounted frame, the other end of third connecting rod articulate in the sixth articulated position of support, the third connecting rod is located the top of second connecting rod.

According to the utility model discloses an embodiment, the third connecting rod with the second connecting rod parallels, and two symmetries set up the second connecting rod is located the below of third connecting rod.

According to the utility model discloses an embodiment, the rear side of first pole portion is provided with the support frame, the support frame is located the top of first pole portion, the support frame is provided with the sixth hinge position.

According to the utility model discloses an embodiment still includes damper, damper's both ends are articulated respectively the support frame with the mounted frame.

According to an embodiment of the present invention, the bilateral symmetry of the first rod portion is provided with the suspension mechanism.

According to an embodiment of the present invention, at least one of the first hinge position, the second hinge position and the wheel body hinge position is a hinge hole.

According to the utility model discloses an embodiment still includes the elastic component, the elastic component includes first cushion, second cushion, fourth cushion and fifth cushion, first cushion locates first connecting rod with between the first articulated position, the fourth cushion is located first connecting rod with between the fourth articulated position, the second cushion locates the second connecting rod with between the second articulated position, the fifth cushion is located the second connecting rod with between the fifth articulated position.

According to the utility model discloses vehicle, its characterized in that, including frame, wheel body and as above linkage, the frame with the leg joint, the wheel body rotates to be connected the articulated position of rotation of mounted frame.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:

the embodiment of the utility model provides a suspension device, including support and suspension mechanism, suspension mechanism includes mounted frame and link assembly, the mounted frame is connected with the wheel rotation, the mounted frame passes through link assembly with the frame and is connected, link assembly includes first connecting rod and second connecting rod, the both ends of first connecting rod articulate mounted frame and frame respectively, first connecting rod extends along the fore-and-aft direction, play support and regulatory action in order to play in the fore-and-aft direction, the both ends of second connecting rod articulate mounted frame and frame respectively, the second connecting rod extends along controlling the direction, in order to play support and regulatory action in controlling the direction, link assembly rotates for mounted frame and adjusts, reduce the influence of wheel body fluctuation to the frame, make suspension mechanism can play the effect of shock attenuation and buffering. The suspension device is assembled into a modular structure, is convenient to assemble and sell independently, and is beneficial to improving the production efficiency.

The suspension mechanism can be applied to a tricycle, a left wheel and a right wheel in a rear wheel of the tricycle are respectively provided with an independent hub motor, the left wheel and the right wheel are driven independently, and the left wheel and the right wheel are damped and buffered through respective suspension mechanisms, so that the left wheel and the right wheel can be damped independently, and the damping effect is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a suspension device according to an embodiment of the present invention;

fig. 2 is a schematic top view of a suspension device according to an embodiment of the present invention;

fig. 3 is a schematic side view of a suspension device provided by an embodiment of the present invention;

fig. 4 is a rear view schematic structural diagram of a suspension device provided by an embodiment of the present invention;

fig. 5 is a front view of a suspension device provided by an embodiment of the present invention;

fig. 6 is a schematic side view of a suspension bracket according to an embodiment of the present invention, the suspension bracket is mounted on a frame;

fig. 7 is a front view schematically illustrating a suspension according to an embodiment of the present invention, wherein the suspension is installed on the frame;

fig. 8 is a schematic perspective view of a wheel body mounted on a suspension device according to an embodiment of the present invention;

fig. 9 is a schematic side view of a vehicle according to an embodiment of the present invention, the vehicle showing the structural and positional relationship of the frame, the wheels, and the suspension device;

fig. 10 is a schematic bottom view of a vehicle according to an embodiment of the present invention, the vehicle showing the structure and position relationship of the frame, the wheels, and the suspension device;

fig. 11 is a front view of a vehicle according to an embodiment of the present invention, the vehicle showing the structure and position relationship of the frame, wheels and suspension;

fig. 12 is a rear view schematic diagram of a vehicle according to an embodiment of the present invention, the vehicle showing the structure and position relationship of the frame, the wheels, and the suspension device.

Reference numerals:

1. a suspension bracket; 11. a first hinge hole; 12. a second hinge hole; 13. a first boss; 14. a second boss; 2. a first link; 3. a second link; 4. a third link; 5. a support; 51. a first rod portion; 52. a second rod part; 53. a support frame; 6. a frame; 61. a left wheel; 62. a right wheel; 63. a front wheel; 7. a shock absorbing mechanism.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature.

Those skilled in the art will be able to combine and combine features of different embodiments or examples and features of different embodiments or examples described in this specification without contradiction.

Before explaining the embodiments of the present invention, the correspondence between the drawings and the embodiments of the present invention will be explained. The suspension mechanism is illustrated in fig. 1-12 in cooperation with a bracket 5 to form a suspension unit which as a whole is mounted to the frame 6, but the suspension mechanism may also be mounted directly to the frame 6 of the vehicle. The vehicle applied by the suspension mechanism can be a tricycle or a quadricycle, the number of wheels of the vehicle is not limited, the vehicle can be used for two opposite wheels, and each wheel is connected to the frame 6 through the suspension mechanism.

An embodiment of the present invention, as shown in fig. 1 to 7, provides a suspension mechanism, including: the suspension bracket 1 is provided with a first hinge position, a second hinge position and a wheel body hinge position for hinging the driving wheel; the connecting rod component comprises a first connecting rod 2 and a second connecting rod 3, the first connecting rod 2 is arranged along the front-back direction, one end of the first connecting rod 2 is hinged to a first hinged position, the other end of the first connecting rod 2 is suitable for being hinged to a frame 6, the second connecting rod 3 is arranged along the left-right direction, one end of the second connecting rod 3 is hinged to a second hinged position, and the other end of the second connecting rod 3 is suitable for being hinged to the frame 6.

The wheel body installation position of mounted frame 1 is used for connecting the wheel body, and when the vehicle met pothole road surface, the wheel body appeared and fluctuated, and mounted frame 1 and wheel body fluctuated together, and mounted frame 1 and link assembly cooperation rotated the regulation through link assembly, can alleviate the influence of wheel body fluctuation to frame 6 to make frame 6 remain stable, reduce the influence of wheel jolt to frame 6 and vehicle stability.

The first connecting rod 2 extends along the front-back direction, so that the first connecting rod 2 can support a vehicle in the front-back direction, and when the vehicle wheel fluctuates, two ends of the first connecting rod 2 can be rotationally adjusted relative to the suspension bracket 1 and the vehicle frame 6 to adapt to the change of the relative position of the suspension bracket 1 and the vehicle frame 6 and reduce the influence of the position adjustment of the suspension bracket 1 on the vehicle frame 6; similarly, the second connecting rod 3 extends along the left-right direction, the second connecting rod 3 can support the vehicle in the left-right direction, and when the wheel fluctuates, two ends of the second connecting rod 3 can be rotatably adjusted relative to the suspension bracket 1 and the vehicle frame 6 so as to adapt to the change of the relative position of the suspension bracket 1 and the vehicle frame 6 and reduce the influence of the position adjustment of the suspension bracket 1 on the vehicle frame 6. The first connecting rod 2 and the second connecting rod 3 are matched, so that the front-back or left-right swinging amplitude of the wheel body in the running process can be effectively controlled.

In some embodiments, at least one of the first hinge location, the second hinge location, and the wheel hinge location is a hinge bore. First articulated position can be hinge hole or articulated shaft promptly, and the articulated position of second also can be hinge hole or articulated shaft, and the articulated position of wheel body can be hinge hole or articulated shaft. Wherein, a wheel body is hinged at the wheel body hinging position, a wheel hub motor is arranged on the wheel body and is used for driving the wheel body to rotate, and the wheel body rotates to drive the frame 6 to move, thereby realizing the advancing of the vehicle.

The suspension mechanism of the embodiment is used for damping and balancing the frame 6, so that the stability and comfort of the vehicle are better and the jolt is relieved in the process of vehicle traveling. Every wheel body of vehicle all can set up a set of suspension mechanism, and the wheel body passes through suspension bracket 1 to be connected with link assembly, and suspension bracket 1 passes through link assembly and frame 6 articulated to make every wheel body shock attenuation alone and buffering, when one of them wheel body met the road surface of jolting, the suspension mechanism that corresponds can adjust and cushion jolting of this wheel body, and is little to the operation influence of other wheel bodies, and the shock attenuation effect is experienced better with riding. When the vehicle is a tricycle, the rear wheels of the vehicle comprise a left wheel 61 and a right wheel 62, each of the left wheel 61 and the right wheel 62 is provided with a suspension mechanism, so that the left wheel 61 and the right wheel 62 are respectively connected to the frame 6 through the corresponding suspension mechanisms, and the left wheel 61 and the right wheel 62 can be independently damped and cushioned. The left wheel 61 is connected with the left suspension mechanism, the second connecting rod 3 of the left suspension mechanism is positioned on the right side of the suspension frame 1, the right wheel 62 is connected with the right suspension mechanism, and the second connecting rod 3 of the right suspension mechanism is positioned on the left side of the suspension frame 1. Wherein, the left wheel 61 comprises a left wheel hub motor, the right wheel 62 comprises a right wheel hub motor, the left wheel 61 and the right wheel 62 are driven independently, and the mutual interference between the left wheel 61 and the right wheel 62 is small.

It should be noted that, for the wheel body that needs to be damped and cushioned, a suspension mechanism may be provided, and the second link 3 of the suspension mechanism extends in the central axis direction of the frame 6, so that the two suspension mechanisms are symmetrically (or as symmetrically as possible) provided on both sides of the frame 6, and the structure is simple, and the structure of the vehicle is more balanced and stable.

The linkage assembly in the suspension mechanism is further described below.

In some embodiments, the link assembly further comprises a third link 4, the third link 4 is arranged in the left-right direction, one end of the third link 4 is hinged to the third hinge position of the suspension bracket 1, the other end of the third link 4 is suitable for being hinged to the vehicle frame 6, and the third link 4 is located above the second link 3. The third connecting rod 4 is matched with the second connecting rod 3, the left and right directions are reinforced and mutually limited, and the structural stability of the suspension mechanism is improved.

The number of the third connecting rods 4 can be one or more, and when one third connecting rod 4 is used, the number of parts is small, so that the disassembly and the assembly are convenient; the stability can be improved by a plurality of third links 4.

In some embodiments, the third connecting rod 4 is parallel to the second connecting rod 3, and the parallel arrangement is convenient for installation and has good structural stability.

Of course, the third link 4 and the second link 3 may also form an included angle, and may be specifically set as required.

In some embodiments, two symmetrically arranged second links 3 are located below the third link 4, and two second links 3 are symmetrically arranged, so that the structural stability of the second links 3 is better.

Of course, there may be one second connecting rod 3, and one second connecting rod 3 corresponds to one third connecting rod 4 up and down, and at this time, the second connecting rod 3 may have the same structure as the third connecting rod 4; alternatively, the number of the second links 3 is three or more, and the number of the second links 3 may be set as required.

In some embodiments, the suspension mechanism further comprises a resilient assembly comprising a first resilient pad disposed between the end of the first link 2 and the first hinge location and a second resilient pad disposed between the end of the second link 3 and the second hinge location. That is, a first elastic cushion is cushioned between the first link 2 and the hinge hole (or hinge shaft) of the suspension bracket 1 to relieve the jolt of the wheel body through elastic deformation of the first elastic cushion, and a second elastic cushion is cushioned between the second link 3 and the hinge hole (or hinge shaft) of the suspension bracket 1 to relieve the jolt of the wheel body through elastic deformation of the second elastic cushion.

Wherein, first cushion and second cushion can be rubber pad, silica gel pad etc. can produce elastically deformable's gasket.

It will be appreciated that in the case where the linkage assembly comprises a third link 4, the resilient assembly comprises a third resilient pad located between one end of the third link 4 and a third hinge location of the hanger 1. That is, a third elastic cushion is cushioned between the third link 4 and the hinge hole (or hinge shaft) of the suspension bracket 1, so as to relieve the wheel body from jolting through elastic deformation of the third elastic cushion.

The third elastic pad can be a rubber pad, a silica gel pad and other gaskets which can generate elastic deformation.

The jolt of the wheel body is relieved through elastic deformation of the elastic component and rotation adjustment of the connecting rod component, and the shock absorption and buffering effects are achieved.

In some embodiments, in the case where the link assembly includes the third link 4, the elastic assembly includes a fourth elastic pad provided between the other end of the first link 2 and the frame 6 to adjust the rotational adjustment range of the first link 2 by elastic deformation of the fourth elastic pad, minimizing the rotational adjustment range of the first link 2.

The elastic component comprises a fifth elastic pad, the fifth elastic pad is arranged between the other end of the second connecting rod 3 and the frame 6, so that the rotation adjusting amplitude of the second connecting rod 3 is adjusted through the elastic deformation of the fifth elastic pad, and the rotation adjusting amplitude of the second connecting rod 3 is reduced as much as possible.

The elastic component comprises a sixth elastic pad, the sixth elastic pad is arranged between the other end of the third connecting rod 4 and the frame 6, so that the rotation adjusting amplitude of the third connecting rod 4 is adjusted through the elastic deformation of the sixth elastic pad, and the rotation adjusting amplitude of the third connecting rod 4 is reduced as much as possible.

The fourth elastic pad, the fifth elastic pad and the sixth elastic pad can be rubber pads, silica gel pads and other gaskets which can generate elastic deformation.

In some embodiments, the suspension mechanism includes a shock absorbing mechanism 7, one end of the shock absorbing mechanism 7 being attached to the suspension frame 1 and the other end being adapted to be attached to the frame 6 to provide shock absorption and pitch reduction between the wheel and the frame 6.

The damping mechanism 7 can be arranged behind the suspension bracket 1, and is convenient to mount and simple in structure. The damping mechanism 7 may be at least one of a spring and a damper, and the damping mechanism 7 is vertically, horizontally or obliquely disposed, so that the damping mechanism 7 has a damping function in at least one of a vertical direction and a horizontal manner. The suspension mechanism can be provided with the damping mechanism 7 in the vertical direction and the damping mechanism 7 in the horizontal direction at the same time so as to fully play a damping role.

The connecting rod assembly comprises a first connecting rod 2, a second connecting rod 3 and a third connecting rod 4, the second connecting rod 3 is provided with two conditions, the suspension mechanism forms a four-connecting-rod mechanism structure, the movement process of the wheel body is improved, each wheel body is provided with a hub motor, when a damping mechanism 7 does work up and down, the suspension bracket 1 can move up and down, the wheel body connected to the suspension bracket 1 moves up and down, the left-right swinging and the front-back swinging are reduced, the hub motors of the wheel bodies are kept stable in operation, when a pit or a dam is formed in the left side or the right side road surface on the road in riding, the left wheel 61 and the right wheel 62 move up and down, the suspension mechanism on one side does work up and down, the comfortable feeling of riding is effectively relieved, and the comfortable feeling of bumping is greatly increased. Wherein, the wheel body hinge position of mounted frame 1 can effectively be connected hub and stop and wheel hub motor.

It should be noted that, the suspension mechanism in the above embodiment may be directly mounted to the frame 6, the link assemblies are mounted to the frame 6 one by one, and then the link assemblies are connected to the suspension bracket 1, so that the vehicle has a simple structure and a small number of parts. Or the connecting rod assembly is firstly installed with the suspension bracket 1, and then the connecting rod assembly is installed on the frame 6, and the connecting rod assembly can be specifically selected according to the requirement.

The embodiment of the second aspect of the present invention is shown in fig. 1 to 12, and provides a vehicle, including frame 6, wheel body and the suspension mechanism in the above embodiment, suspension bracket 1 is hinged to frame 6 through a connecting rod assembly, and the wheel body is hinged to a hinged wheel body. The suspension mechanism has the above beneficial effects, and the vehicle with the suspension mechanism also has the above beneficial effects, which can be referred to specifically, and the details are not described herein again.

In some embodiments, the suspension mechanisms are symmetrically arranged on both sides of the frame 6, that is, the left wheel 61 and the right wheel 62 are symmetrically arranged on both sides of the frame 6, so that the structure is symmetrical, and the stability of the vehicle is better.

As shown in fig. 10 to 12, a front wheel 63 is further provided on the front side of the frame 6, the vehicle has the front wheel 63, a left wheel 61, and a right wheel 62, and the vehicle is a tricycle.

Embodiments of the third aspect of the present invention, as shown in fig. 1 to 7, provide a suspension device, including: the support 5 is provided with a fourth hinge joint position and a fifth hinge joint position; the suspension mechanism comprises a suspension frame 1 and a connecting rod assembly, the suspension frame 1 is provided with a first hinge position and a second hinge position, the connecting rod assembly comprises a first connecting rod 2 and a second connecting rod 3, one end of the first connecting rod 2 is hinged with the first hinge position, the other end of the first connecting rod is hinged with a fourth hinge position, one end of the second connecting rod 3 is hinged with the second hinge position, and the other end of the second connecting rod 3 is hinged with a fifth hinge position; and the two sides of the bracket 5 are respectively provided with a suspension mechanism.

The suspension mechanism is connected to the support 5, namely the first connecting rod 2 is hinged between the support 5 and the suspension frame 1, the second connecting rod 3 is also hinged between the support 5 and the suspension frame 1, the support 5 and the suspension mechanism are matched to provide a modular suspension device, and the suspension device is mounted on the frame 6 in a modular structure and is convenient to mount.

In the suspension device of the present embodiment, the structures of the suspension bracket 1 and the link assembly are the same as those of the suspension bracket 1 and the link assembly in the first embodiment, the matching manner of the suspension bracket 1 and the link assembly is the same, and the action and effect of the suspension bracket 1 and the link assembly can refer to the suspension mechanism in the first embodiment; unlike the first embodiment, in which the link assembly is connected between the suspension bracket 1 and the bracket 5 and is mounted to the frame 6 via the bracket 5, the first embodiment is one in which the link assembly is directly connected to the frame 6.

In some embodiments, when the connecting rod assembly further comprises a third connecting rod 4, the third connecting rod 4 is arranged along the left-right direction, one end of the third connecting rod 4 is hinged to the third hinge position of the suspension bracket 1, the other end of the third connecting rod 4 is hinged to the sixth hinge position of the bracket 5, and the third connecting rod 4 is positioned above the second connecting rod 3.

The number and the position relationship of the second connecting rods 3 and the third connecting rods 4 can refer to the above embodiments of the first aspect, and are not described herein again.

In connection with the above, the structure of the bracket 5 will be described with reference to fig. 1, in which the bracket 5 is fitted with the link assembly.

Support 5 includes first pole portion 51 that extends along the fore-and-aft direction and the second pole portion 52 that extends along the left right direction, and second pole portion 52 is located the front end of first connecting rod 2, and first pole portion 51 is provided with the fifth hinge position, and the both sides of first pole portion 51 all are connected with second connecting rod 3, and second pole portion 52 is provided with the fourth hinge position, and the both sides of second pole portion 52 are connected with first connecting rod 2, simple structure, and connected mode is simple.

Under the condition that the connecting rod assembly comprises the third connecting rod 4, the first rod part 51 is connected with a supporting frame 53, the supporting frame 53 is positioned above the first rod part 51, the supporting frame 53 is provided with a sixth hinge position, and the third connecting rod 4 is hinged to the supporting frame 53.

The bottom of the first rod part 51 is provided with a U-shaped support, the support is provided with holes, the end part of the second connecting rod 3 is also provided with holes, a pin shaft penetrates through the holes of the second connecting rod 3 and the holes of the support, the second connecting rod 3 is hinged with the support 5, when the second connecting rods 3 are arranged in two, the front side and the rear side of the support are both provided with the second connecting rods 3, and the two second connecting rods 3 are rotatably connected to the support through the same pin shaft. The second connecting rod 3 is also rotatably connected to the suspension bracket 1 through another pin shaft, the suspension bracket 1 is provided with a convex first boss 13, the first boss 13 is provided with a hole, and the pin shaft penetrates through the second connecting rod 3 and the first boss 13 so as to connect the second connecting rod 3 and the suspension bracket 1.

The supporting frame 53 is also provided with a hole, the third connecting rod 4 is rotatably connected to the supporting frame 53 through a pin shaft, the third connecting rod 4 is also rotatably connected to the suspension frame 1 through another pin shaft, the suspension frame 1 is provided with two convex second bosses 14, the second bosses 14 are provided with holes, and the pin shaft penetrates through the third connecting rod 4 and the second bosses 14 to connect the third connecting rod 4 and the suspension frame 1.

As shown in fig. 6 and 7, the first bosses 13 correspond to the second bosses 14 up and down, the first bosses 13 are located below the second bosses 14, and when two second connecting rods 3 are provided, the first bosses 13 and the second bosses 14 are both provided.

The first hinge hole 11 for connecting the wheel body is formed in the thickness direction of the suspension bracket 1, the second hinge hole 12 for installing the first connecting rod 2 is further formed in the thickness direction of the suspension bracket 1, and the suspension bracket 1 is simple in structure.

The connecting frame is arranged below the second rod part 52, the connecting frame is provided with holes, the connecting piece is of a U-shaped structure with a downward opening, the first connecting rod 2 is provided with holes, and the pin shaft penetrates through the two holes, so that the first connecting rod 2 is rotatably connected to the second rod part 52.

In some embodiments, as shown in fig. 1 to 5, the suspension device further includes a damping mechanism 7, and both ends of the damping mechanism 7 are respectively hinged to the bracket 5 and the suspension bracket 1.

The damping mechanism 7 is arranged at the rear end of the support 5 (support frame 53), and is convenient to mount. The damping mechanism 7 is obliquely arranged, so that the damping mechanism 7 can play a damping role in both the horizontal direction and the vertical direction, and the structure is simple. The shock absorbing mechanism 7 may include at least one of a spring and a damper.

In some embodiments, the suspension mechanisms are symmetrically arranged on two sides of the support 5, and the overall symmetry of the suspension device is good.

In some embodiments, the suspension device further comprises a resilient assembly (not shown) comprising a first resilient pad disposed between the first link 2 and the first hinge position, a second resilient pad disposed between the second link 3 and the second hinge position, a fourth resilient pad disposed between the first link 2 and the fourth hinge position, and a fifth resilient pad disposed between the second link 3 and the fifth hinge position.

In some embodiments, in case the linkage assembly comprises a third link 4, the elastic assembly comprises a third elastic pad located between the third link 4 and the third hinge location of the suspension bracket 1, and a sixth elastic pad located between the other end of the third link 4 and the sixth hinge location.

The first elastic pad, the second elastic pad, the third elastic pad, the fourth elastic pad, the fifth elastic pad and the sixth elastic pad can be rubber pads, silica gel pads and other pads capable of generating elastic deformation.

An embodiment of the fourth aspect of the present invention is shown in fig. 1 to 12, and provides a vehicle, including frame 6, wheel body and the suspension device in the embodiment, frame 6 is connected with support 5, and the wheel body rotates the rotation hinge position of connecting suspension frame 1. The suspension device has the above-mentioned advantages, and the vehicle has the above-mentioned advantages, which can be referred to specifically.

When the vehicle is an electric tricycle, the wheel body is a rear wheel and is provided with a hub motor, the wheel body can be assembled with the frame 6 in a split mode through the suspension device, the suspension device is assembled firstly, then the suspension device is installed on the frame 6, if the suspension device and the damping mechanism 7 are assembled together through a table tool, the suspension device and the damping mechanism are connected together through screws through corresponding points on the frame 6, and therefore assembly precision and assembly efficiency are guaranteed.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims

1. A suspension arrangement, comprising:

the bracket is provided with a fourth hinge joint and a fifth hinge joint;

2. The suspension device according to claim 1, wherein the bracket comprises a first rod part and a second rod part connected to the front side of the first rod part, the first rod part extends along the front-back direction, the second rod part extends along the left-right direction, the second connecting rod is hinged to the first rod part, the first connecting rod is hinged to the second rod part, and an included angle is formed between the first connecting rod and the horizontal plane.

3. The suspension apparatus according to claim 2, wherein the link assembly further comprises a third link disposed in a left-right direction, one end of the third link being hinged to a third hinge point of the suspension bracket, the other end of the third link being hinged to a sixth hinge point of the bracket, and the third link being located above the second link.

4. A suspension arrangement according to claim 3, wherein the third link is parallel to the second links, and two symmetrically arranged second links are located below the third link.

5. The suspension device according to claim 3, wherein a support frame is arranged at the rear side of the first rod part, the support frame is positioned above the first rod part, and the support frame is provided with the sixth hinge position.

6. The suspension device according to claim 5, further comprising a damping mechanism, wherein two ends of the damping mechanism are respectively hinged with the support frame and the suspension frame.

7. The suspension device according to claim 2, wherein the suspension mechanism is symmetrically provided on both sides of the first rod portion.

8. A suspension arrangement according to any one of claims 1 to 7, wherein at least one of the first, second and wheel hinge locations is a hinge bore.

9. The suspension device of any one of claims 1-7, further comprising a spring assembly including a first spring pad, a second spring pad, a fourth spring pad, and a fifth spring pad, the first spring pad disposed between the first link and the first hinge location, the fourth spring pad disposed between the first link and the fourth hinge location, the second spring pad disposed between the second link and the second hinge location, and the fifth spring pad disposed between the second link and the fifth hinge location.

10. A vehicle comprising a frame, a wheel and a suspension according to any one of claims 1 to 9, the frame being connected to the support, the wheel being pivotally connected to a pivotal joint of the suspension.