TWI614168B - A supporting apparatus for a vehicle - Google Patents

Abstract

The invention discloses a supporting device for supporting a vehicle, which comprises: a frame member, the frame member includes a first part, a second part disposed opposite to the first part, and the first part and the second part A first elongated portion extending therebetween, and a second elongated portion disposed opposite the first elongated portion and extending between the first portion and the second portion; and a cross bar, the cross bar It protrudes from the first portion and is disposed near the second elongated portion.

Description

Supporting device for vehicle

The present invention relates generally to a support device mounted on a vehicle, and in particular, the present invention relates to a support for supporting and parking a vehicle on the ground.

Vehicles such as motorcycles, locomotives, and all-terrain vehicles (ATVs) typically include a frame surrounding a motor, a seat disposed on the frame to be seated by a rider and passengers, and a frame attached to the frame A bottom is used for supporting and parking one of the supporting mechanisms on the ground as required. Generally, the support mechanism includes a pair of rods protruding from both sides of the vehicle, a pivot coupled to one end of each rod, and a pedal for receiving a pedaling force from a rider and pivoting the pair of rods around the pivot. Turn one pedal. Initially, the pair of rods was biased toward the frame of the vehicle by a spring and did not interfere with the movement of the vehicle. When a cyclist steps on the pedals, the levers pivot about the pivot away from the frame of the vehicle. Therefore, the other end of each pole rests against the ground to support the vehicle on the ground.

However, the vehicle was supported against the ground by the two ends of the rod. The total weight of the vehicle is supported only by the two ends of the rods. Thus, these support mechanisms may not provide a stable support to the vehicle or even provide no support to the vehicle. Therefore, it is necessary to continuously improve the structure and configuration of the support mechanism and solve the above disadvantages.

Provided is an improved support device. In some embodiments, it is used to support an intersection The support device of the pass tool includes a frame member including a first portion, a second portion disposed opposite the first portion, a first elongated portion extending between the first portion and the second portion, And a second elongated portion opposite to the first elongated portion and extending between the first portion and the second portion; and a cross bar protruding from the first portion and disposed near the first portion Two long sections.

In some implementations, the second elongated portion is configured to contact the ground when the vehicle is supported against the ground. In some embodiments, the second elongated portion includes a protrusion for contacting the ground when the vehicle is supported against the ground by the frame member. In some embodiments, the first portion and the second portion respectively include a bent portion disposed between the first elongated portion and the second elongated portion. In some embodiments, the second elongated portion is coupled to the first portion and the second portion.

In some embodiments, the cross bar can be detached from or attachable to the first portion of the frame member. In some embodiments, the cross bar projects substantially horizontally relative to the first elongated portion or the second elongated portion. In some embodiments, a central portion of the first elongated portion is attached to a lower portion of a frame of the vehicle. In some embodiments, the supporting device further includes a biasing member disposed on the first elongated portion and configured to bias the supporting device and hold the supporting device in a stowed position. When the supporting device is located in the stowed position, the vehicle is movable and operable.

In some embodiments, the supporting device is pivoted between a stowed position and a supporting position. When the supporting device is located in the stowed position, the vehicle is movable and operable. When the supporting device is located in the supporting position The vehicle may be supported and tilted by a frame member. In some embodiments, once a force is applied to the crossbar, the support device is pivoted from the stowed position to the support position. In some embodiments, the support device may be held in the support position by all or part of the weight of the vehicle.

In addition, a bracket for supporting a vehicle is provided. The bracket includes: a ring body, the ring body including a first elongated portion opposite to the first elongated portion A second elongated portion and a fulcrum provided at the first elongated portion are provided; a cross bar extending from the ring body is disposed near the second elongated portion and is disposed at Far from the first elongated portion and the fulcrum, the bracket pivots between a stowed position and a support position around the fulcrum, and the vehicle is supported by the second elongated portion when the bracket is in the support position.

In some embodiments, once a force is applied to the crossbar, the stand pivots from the stowed position to the support position. In some embodiments, an angle between the stowed position and the support position is about 20 ° to about 140 °. In some embodiments, the fulcrum is disposed at the center of one of the first elongated portions. In some embodiments, the cross-bar includes a foot pedal disposed at one end of the cross-bar away from the ring body and configured to be stepped on by a user to pivot the ring body.

In some embodiments, the loop body is initially pushed to the stowed position. In some embodiments, the bracket further includes a biasing system provided at the fulcrum, the biasing system connects the ring body and a lower part of a frame of the vehicle, and is configured so that the bracket surrounds the fulcrum in the stowed position and Pivot between support positions. In some embodiments, the biasing system includes a first bracket, a second bracket, and a spring coil, the first bracket is hinged to the second bracket, and the first bracket and the second bracket The bracket surrounds the spring coil.

100‧‧‧ support device

101‧‧‧Frame Parts

101a‧‧‧Part I

101b‧‧‧Part II

101c‧‧‧First long section

101d‧‧‧Second Long Section

101e‧‧‧ Bend

101f‧‧‧ Bend

101g‧‧‧center

101h‧‧‧ protrusion

102‧‧‧cross bar

102a‧‧‧pedal

103‧‧‧ Offset parts

103a‧‧‧axis

200‧‧‧ Transport

200a‧‧‧ rear wheel

200b‧‧‧ front wheel

201‧‧‧Frame

201a‧‧‧Next

300‧‧‧ Bracket

301‧‧‧Circle body

301a‧‧‧part

301b‧‧‧part

301c‧‧‧First long section

301d‧‧‧Second Long Section

301g‧‧‧ Center

301h‧‧‧ protrusion

302‧‧‧cross bar

302a‧‧‧foot pedal

303‧‧‧ Fulcrum

303a‧‧‧axis

304‧‧‧ bias system

304a‧‧‧First bracket

304b‧‧‧Second bracket

In the drawings, the same element symbol identifies similar elements or actions. The dimensions and relative positions of elements in the drawings are not necessarily drawn to scale. For example, the shapes of various elements and angles are not drawn to scale and portions of these elements are randomly stretched and positioned to improve the clarity of the drawings. In addition, the particular shapes of the elements drawn are not intended to convey any information about the actual shape of the particular elements and have been selected for ease of identification in the drawings.

FIG. 1 is a schematic diagram of an example of a supporting device in a supporting position according to a non-limiting embodiment shown.

Figure 2 is a support in one of the stowed positions according to one of the illustrated non-limiting embodiments An example of a device is a schematic diagram.

3 is a schematic diagram of an example of a vehicle with a support device installed in a stowed position according to a non-limiting embodiment shown.

FIG. 4 is a schematic diagram of an example of an example of a vehicle equipped with a support device pivoted from a stowed position to a support position according to a non-limiting embodiment shown.

FIG. 5 is an enlarged view of a supporting device of FIG. 1 according to a non-limiting embodiment shown.

6A is a perspective view of a support device according to a non-limiting embodiment shown.

6B is a left side view of one of the supporting devices of FIG. 6A according to a non-limiting embodiment shown.

6C is a right side view of one of the supporting devices of FIG. 6A according to a non-limiting embodiment shown.

FIG. 7 is a perspective view of a support device including a biasing member according to a non-limiting embodiment shown.

FIG. 8 is a schematic diagram of an example of a bracket in a support position according to a non-limiting embodiment shown.

FIG. 9 is a schematic diagram of an example of a bracket in a stowed position according to a non-limiting embodiment shown.

In the following description, certain specific details are set forth to provide a complete understanding of one of the various disclosed embodiments. However, those skilled in the relevant art will recognize that the embodiments may be practiced without one or more of these specific details, or that the embodiments may be practiced with other methods, components, materials, and so on. In other examples, known structures associated with switches, sensors, controllers and communication systems and structures, and networks have not been shown or described in detail to avoid unnecessary obstructions to the embodiments.

Unless otherwise required herein, the word “including” and variations thereof (such as “comprises” and “comprising”) shall be interpreted as “including but "Not limited to" one of the openings contains meaning.

Reference throughout the specification to "an embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Therefore, the appearances of "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

The use of ordinal numbers (such as first, second, and third) does not necessarily indicate a permutation order, but can distinguish only multiple instances of an action or structure.

The headings and abstracts provided herein are for convenience only and do not interpret the scope or meaning of the embodiments.

In some embodiments, a support device having an improved structure is provided. The support device is configured for supporting a vehicle.

In some embodiments, the support device includes an elongated portion that can contact the ground when the vehicle is supported by the support device. Since the elongated portion contacts the ground once the vehicle is supported, a force (eg, one weight of the vehicle) can be evenly distributed on the elongated portion. This weight will not be concentrated on a point or a small area. Therefore, breakage or damage to the support device can be minimized or even avoided.

1 and 2 show an embodiment of a support device 100 according to one illustrated embodiment. In some implementations, the support device 100 is mounted on a vehicle 200 (eg, a motorcycle, a locomotive, a bicycle, or the like). In some embodiments, the vehicle 200 includes a frame 201, and the support device 100 is attached to a lower portion 201a of the frame 201. In some embodiments, the support device 100 is attached to the frame 201 by any suitable attachment member.

The support device 100 is configured for supporting a docked vehicle 200. In some embodiments, the supporting device 100 includes a frame member 101 and a cross bar 102. Figure 1 shows the support The vehicle 200 supported by the support device 100. When the frame member 101 is against the ground or a surface, the vehicle 200 can be supported on the ground. In addition, when the frame member 101 is against the ground or the surface, one of the rear wheels 200a of the vehicle 200 may be partially lifted off the ground, while one of the front wheels 200b of the vehicle 200 and the frame member 101 are in contact with the ground to support the vehicle 200. . The support device 100 allows the vehicle 200 to stand upright and prevents the vehicle 200 from swaying from side to side or from being in an imbalanced state of any kind.

FIG. 2 shows a vehicle 200 with one of the supports released by the self-supporting device 100 according to one embodiment. In FIG. 2, the support device 100 is in an inoperable position. When the frame member 101 is off the ground, the vehicle 200 is released from the support. In some embodiments, the frame member 101 can be moved away from the ground by biasing the frame member 101 toward the lower portion 201a of the frame 201 of the vehicle 200, so that the vehicle will be raised by the support device 100 in FIG. 1 The 200 rear wheel 200a is lowered to contact the ground as shown in FIG. After the vehicle 200 moves down the support device 100, the frame member 101 no longer touches the ground and therefore the support device 100 will not interfere with the movement of the vehicle 200.

In some embodiments, the support device 100 is pivotable between a support position as shown in FIG. 1 and a stowed position as shown in FIG. 2. When the supporting device 100 is located at the supporting position, the vehicle 200 is supported and partially supported by the supporting device 100, and when the supporting device 100 is located at the stowed position, the vehicle 200 is movable and operable. In some embodiments, when the supporting device 100 is in the supporting position or the operating position, the rear wheel or rear portion of the vehicle 200 is lifted or raised from the ground.

When the support device 100 is in the stowed position, the vehicle 200 is not disturbed by the support device 100, whereby the vehicle 200 is operable and a user can ride on the vehicle 200, as shown in FIG. In some embodiments, the support device 100 may be held in the stowed position by any suitable mechanism, such as a locking member, a biasing member (such as a spring), and the like.

In some embodiments, the support device 100 can be pivoted from the stowed position shown in FIG. 2 to the supported position shown in FIG. 1 by applying a force to the crossbar 102. For example, like As shown in FIG. 4, a user can pedal the crossbar 102 and pull and lift the vehicle 200 upwards and backwards, so that the support device 100 pivots from the stowed position to the support position, and moves the vehicle 200 to the support Device 100.

In some embodiments, the support device 100 may be held in the support position by the full or partial weight of the vehicle 200 and a reaction force from the ground. The weight of the vehicle 200 and the reaction force from the ground act on the frame member 101, so that when the support device 100 is in the support position, it will not pivot to the stowed position. In some embodiments, the weight of the vehicle 200 and the reaction force from the ground are substantially greater than a biasing force provided by a mechanism (such as a spring) and holding the support device 100 in the stowed position. Therefore, the supporting device 100 can be held in a supporting position as shown in FIG. 1.

FIG. 5 shows an enlarged view of one of the supporting devices 100 of FIG. 1. In some embodiments, the frame member 101 and the cross bar 102 each include a metal (such as iron, copper, aluminum, etc.) or an alloy thereof. In some embodiments, the frame member 101 includes the same material as the crossbar 102. In some embodiments, the frame member 101 is located in a closed configuration.

Referring to FIG. 5, in some embodiments, the frame member 101 includes a first portion 101 a, a second portion 101 b, a first elongated portion 101 c, and a second elongated portion 101 d. The first portion 101a is coupled to the second portion 101b through the first elongated portion 101c and the second elongated portion 101d. The second elongated portion 101d is coupled to the first portion 101a and the second portion 101b. In some embodiments, the first portion 101a, the second portion 101b, the first elongated portion 101c, and the second elongated portion 101d are located in a circular configuration. In some implementations, the first portion 101a, the second portion 101b, the first elongated portion 101c, and the second elongated portion 101d are integrally formed.

In some embodiments, the first elongated portion 101c and the second elongated portion 101d are substantially orthogonal to the first and second portions 101a and 101b. In some embodiments, a central portion 101g of one of the first elongated portions 101c is attached to the lower portion 201a of the frame 201 of the vehicle 200.

FIG. 6A shows only the supporting device 100 of FIG. 1. The second part 101b and the first part 101a Relative settings. In some embodiments, the first portion 101a is substantially parallel to the second portion 101b. In some embodiments, the size, shape, and configuration of the first portion 101a and the second portion 101b are similar. FIG. 6B is a left side view of one of the supporting devices 100, and FIG. 6C is a right side view of one of the supporting devices 100. In some embodiments, the first portion 101a and the second portion 101b respectively include a bent portion (101e, 101f) disposed between the first elongated portion 101c and the second elongated portion 101d.

Referring to FIGS. 6B and 6C, in some embodiments, the first portion 101a and the second portion 101b are bent at open end sections thereof which are connected to the second elongated portion 101d. In some embodiments, when the support device 100 is in the support position, the free end section of the first portion 101a or the second portion 101b is bent forward. In some embodiments, the first portion 101a or the second portion 101b extends downward and backward from the first elongated portion 101c, then bends forward and finally connects with the second elongated portion 101d.

Referring again to FIG. 6A, the first elongated portion 101c extends between the first portion 101a and the second portion 101b. In addition, the second elongated portion 101d is disposed opposite to the first elongated portion 101c and extends between the first portion 101a and the second portion 101b. In some embodiments, one end of the first portion 101a and one end of the second portion 101b are coupled to both ends of the first elongated portion 101c, respectively. The other end of the first portion 101a and the other end of the second portion 101b are coupled to both ends of the second elongated portion 101d, respectively. In some embodiments, the first elongated portion 101c is substantially parallel to the second elongated portion 101d. In some embodiments, the size, shape, and configuration of the first elongated portion 101c and the second elongated portion 101d are similar.

In some embodiments, the support device 100 includes a crossbar 102 protruding from the first portion 101a or the second portion 101b. In some implementations, the cross bar 102 is disposed near the second elongated portion 101d. In some embodiments, the cross bar 102 projects substantially horizontally relative to the first elongated portion 101c or the second elongated portion 101d. In some embodiments, the crossbar 102 can be detached from the first portion 101a or the second portion 101b or can be attached to the first portion 101a or the second portion 101b. In some embodiments, a pedal 102 a is disposed at one end of the crossbar 102. The pedal 102a is configured to receive a force, such as a stepping force exerted by one foot of a user. The user can step on the pedal 102a to bias and move the support device 100.

When the vehicle 200 is supported against the ground, the second elongated portion 101d of the frame member 101 is configured to contact the ground. When the supporting device 100 is in the supporting position, the second elongated portion 101d contacts and abuts the ground. The second elongated portion 101d cooperates with the front wheel 200b to support the vehicle 200. Since the second elongated portion 101d has an elongated configuration, all or part of the weight of one of the vehicles 200 can be evenly distributed on the second elongated portion 101d, so that the second elongated shape when the vehicle 200 is supported by the supporting device 100 The portion 101d and the entire frame member 101 may be protected from damage.

In some embodiments, the supporting device 100 includes a protrusion 101h. The protrusion 101h may be provided on the second elongated portion 101d and configured to contact the ground when the vehicle 200 is supported against the ground by the support member 101. The protrusion 101h can increase the friction between the second elongated portion 101d and the ground, so that when the support device 100 is in the support position, the vehicle 200 can be more stably supported by the support device 100.

FIG. 7 shows a support device 100 according to an embodiment, which further includes a biasing member 103. The biasing member 103 is configured for biasing the frame member 101 and holding the support device 100 in a stowed position. In some embodiments, the biasing member 103 may be held in the stowed position by a mechanism such as a spring or a biasing force. The mechanism or the biasing force may cause the support device 100 to pivot from the support position to the stowed position around the biasing member 103, and then the support device 100 may be held in the stowed position as shown in FIG. In some embodiments, the biasing member 103 is disposed on the first elongated portion 101c. In some embodiments, the frame member 101 is attached to the lower portion 201 a of the frame 201 of the vehicle 200 by the biasing member 103. In some embodiments, the biasing member 103 is disposed at a central portion 101g of the first elongated portion 101c. Thus, the support device 100 pivots between a support position and a stowed position around one of the axes 103 a of the biasing member 103.

FIG. 8 shows another embodiment of a supporting device. In some embodiments, the support device A bracket 300 is used, for example, for supporting a center column of a vehicle. In some embodiments, the bracket 300 includes a metal or a metal alloy. In some embodiments, the bracket 300 includes a ring body 301, a cross bar 302 and a branch point 303.

In some embodiments, the ring body 301 includes a first elongated portion 301c and a second elongated portion 301d. The second elongated portion 301d is disposed opposite the first elongated portion 301c. In some embodiments, the first elongated portion 301c and the second elongated portion 301d are coupled by two portions (301a, 301b). In some embodiments, the first elongated portion 301c and the second elongated portion 301d are substantially orthogonal to the two portions (301a, 301b).

In some embodiments, some protrusions 301h are provided on the second elongated portion 301d. In some embodiments, the protrusion 301h partially surrounds an outer surface of one of the second elongated portions 301d. When the bracket 300 is in the support position and the vehicle is supported on the ground, the protrusion 301h is configured to increase the friction between the second elongated portion 301d and the ground.

In some embodiments, the fulcrum 303 is disposed at the first elongated portion 301c. In some embodiments, the fulcrum 303 is located at a center 301g of one of the first elongated portions 301c. The bracket 300 pivots around a fulcrum 303 or a shaft 303 a between a support position as shown in FIG. 8 and a stowed position as shown in FIG. 9. When the bracket 300 is in the supporting position as shown in FIG. 8, the vehicle is supported by the second elongated portion 301d. In some embodiments, an angle between the stowed position and the support position is about 20 ° to about 140 °.

In some embodiments, the cross bar 302 extends from the loop body 301. In some embodiments, the cross bar 302 is disposed near the second elongated portion 301d and away from the first elongated portion 301c and the fulcrum 303. In some embodiments, the cross bar 302 is substantially orthogonal to the first elongated portion 301c or the second elongated portion 301d. In addition, the crossbar 302 further includes a footrest 302a, which is disposed at one end of the crossbar 302 and away from the ring body 301. The foot pedal 302 a is configured to be stepped on by a user so that the ring body 301 pivots between the stowed position and the supported position around the fulcrum 303.

In some embodiments, the bracket 300 is initially pushed to the stowed position as in FIG. 9. The bracket 300 is initially biased toward the stowed position by any suitable member, such as a locking member or a biasing member. In some embodiments, once a force is applied to the crossbar 302, the bracket 300 is pivoted from the stowed position to the support position.

The bracket 300 further includes a biasing system 304 disposed at the fulcrum 303. In some embodiments, the biasing system 304 connects the loop body 301 with a lower portion of one of the frames of the vehicle. The biasing system 304 is configured to cause the bracket 300 to pivot between a stowed position and a support position about a fulcrum 303. In some embodiments, the biasing system 304 biases the stent 300 initially toward the stowed position.

In some embodiments, the biasing system 304 includes a first bracket 304a, a second bracket 304b, and a spring coil (not shown). The first bracket 304a and the second bracket 304b are hinged. In some embodiments, the first bracket 304a is attached to a lower portion of the frame of the vehicle. In some embodiments, the spring coil is disposed between the first bracket 304a and the second bracket 304b.

The various embodiments described above may be combined to provide further embodiments. In this sense, all US patents, US patent application publications, US patent applications, foreign patents, foreign patent applications, and non-patent publications are consistent with the specific teachings and definitions herein.

If desired, aspects of the embodiments may be modified to provide systems, circuits, and concepts using various patents, applications, and publications to provide further embodiments.

Although generally discussed in the context and context of the collection, charging, and distribution of portable electrical energy storage devices used with personal transportation vehicles such as all-electric motorcycles and / or locomotives, the teachings herein can be applied to a variety of Other environments include other on-board and off-board environments.

The above description of the illustrated embodiments (including what is described in the Summary of the Invention) is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. Although specific embodiments and examples are described herein for illustrative purposes, various equivalent modifications can be made without departing from the spirit and scope of the invention, as those skilled in the relevant art will recognize.

These and other changes may be made to the embodiments in light of the above detailed description. In general, in the following patent application scope, the terms used should not be construed to limit this patent application scope to the specific embodiments disclosed in the description and this patent application scope should be interpreted to include all possible embodiments and The full scope of equivalents authorized by this application. Accordingly, the scope of this patent application is not limited by this disclosure.

100‧‧‧ support device

101‧‧‧Frame Parts

101a‧‧‧Part I

101b‧‧‧Part II

101c‧‧‧First long section

101d‧‧‧Second Long Section

101e‧‧‧ Bend

101f‧‧‧ Bend

101g‧‧‧center

101h‧‧‧ protrusion

102‧‧‧cross bar

102a‧‧‧pedal

Claims (20)

A supporting device for supporting a vehicle includes a frame member including a first portion, a second portion disposed opposite to the first portion, and one extending between the first portion and the second portion. A first elongated portion, and a second elongated portion disposed opposite to the first elongated portion and extending between the first portion and the second portion; and a cross bar protruding from the first portion and disposed Near the second elongated portion, wherein the first elongated portion is pivotally connected to a lower portion of the vehicle, so that the supporting device can move with the vehicle. The support device of claim 1, wherein the second elongated portion is configured to contact the ground when the vehicle is supported against a ground. The support device of claim 1, wherein the second elongated portion includes a protrusion for contacting the ground when the vehicle is supported against the ground by the frame member. The supporting device according to claim 1, wherein the first portion and the second portion respectively include a bent portion disposed between the first elongated portion and the second elongated portion. The support device of claim 1, wherein the second elongated portion is coupled to the first portion and the second portion. The support device of claim 1, wherein the cross bar can be detached from the first part of the frame member or can be attached to the first part. The supporting device as claimed in claim 1, wherein the cross bar projects substantially horizontally relative to the first elongated portion or the second elongated portion. The support device of claim 1, wherein a central portion of the first elongated portion is attached to a lower portion of a frame of the vehicle. The support device as claimed in claim 1, further comprising a biasing member disposed on the first elongated portion and configured for biasing the frame member and The support device is held in a stowed position. When the support device is located in the stowed position, the vehicle is movable and operable. If the support device of claim 1, wherein the support device is pivoted between a stowed position and a support position, when the support device is located in the stowed position, the vehicle is movable and operable, and when the support device When in the support position, the vehicle can be supported by the frame member and partially lifted off a ground. If the support device of item 10 is requested, when a force is applied to the crossbar, the support device is pivoted from the stowed position to the support position. The supporting device of claim 10, wherein the supporting device can be held in the supporting position by the whole or part of the weight of the vehicle. A bracket for supporting a vehicle includes a ring body including a first elongated portion, a second elongated portion disposed opposite the first elongated portion, and a first elongated portion. A fulcrum at a portion; a cross bar extending from the ring body, disposed near the second elongated portion and away from the first elongated portion and the fulcrum, wherein the bracket surrounds the The fulcrum pivots between a stowed position and a support position, and the vehicle is supported by the second elongated portion when the bracket is in the support position, wherein the first elongated portion is pivotally connected to the support by the fulcrum. A lower part of the vehicle enables the bracket to move with the vehicle when in the stowed position. The bracket of claim 13, wherein when a force is applied to the crossbar, the bracket is pivoted from the stowed position to the support position. The bracket of claim 13, wherein an angle between the stowed position and the support position is about 20 ° to about 140 °. The bracket of claim 13, wherein the fulcrum is set at the center of one of the first elongated portions. The bracket of claim 13, wherein the crossbar includes a foot pedal, the foot pedal is disposed at one end of the crossbar far from the ring body and is configured to be stepped on by a user so that the ring body Pivot. The stent of claim 13, wherein the stent is initially pushed to the stowed position. The bracket of claim 13, further comprising a biasing system provided at the fulcrum, the biasing system connecting the ring body and a lower portion of a frame of the vehicle, and configured to surround the bracket around the bracket The fulcrum pivots between the stowed position and the support position. The bracket of claim 19, wherein the biasing system includes a first bracket, a second bracket, and a spring coil, the first bracket is hinged with the second bracket, and the first bracket and the A second bracket surrounds the spring coil.