CN220535866U - Shock absorber protection architecture and balance car - Google Patents

Abstract

The utility model discloses a shock absorber protection structure and a balance car, wherein the shock absorber protection structure comprises a wheel seat, a frame and a shock absorber; the wheel seat is provided with a rotary connecting structure and a first sliding connection structure, and the rotary connecting structure is used for connecting wheels; the frame comprises a guide post, a second sliding connection structure is arranged on the guide post, and the second sliding connection structure is in sliding fit with the first sliding connection structure, so that the guide post can slide along a first direction relative to the wheel seat and limit relative sliding in other directions except the first direction; the shock absorber is arranged along the first direction, and two ends of the shock absorber are respectively connected with the frame and the wheel seat. The shock absorber protection structure can effectively reduce damage to the shock absorber caused by lateral force, so that the service life of the shock absorber is prolonged, and the safety is improved.

Description

Shock absorber protection architecture and balance car

Technical Field

The utility model relates to the technical field of vehicles, in particular to a shock absorber protection structure and a balance car.

Background

In the related art, a shock absorber is arranged on vehicles such as a balance car and the like to improve the driving experience of a driver when the vehicle runs on a road surface with uneven pits, and improve the stability and safety of the driving process; however, in the driving process of a vehicle, the conventional shock absorber is subjected to a lateral force (such as a horizontal lateral force in a front-rear direction and a left-right direction) perpendicular to a telescopic direction of the vehicle (such as a vertical direction) in addition to a squeezing force in the telescopic direction (such as a vertical direction), so that the shock absorber is easy to damage after long-term operation, thereby influencing the service life of the vehicle and bringing a certain potential safety hazard.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the first aspect of the present utility model provides a shock absorber protection structure, which can effectively reduce damage to the shock absorber caused by lateral force, so as to improve service life and safety of the shock absorber.

A second aspect of the present utility model provides a balance car having the embodiment of the first aspect.

According to the shock absorber protection structure of the embodiment of the first aspect of the utility model, the shock absorber protection structure comprises a wheel seat, a frame and a shock absorber; the wheel seat is provided with a rotary connecting structure and a first sliding connecting structure, and the rotary connecting structure is used for connecting wheels; the frame comprises a guide post, a second sliding connection structure is arranged on the guide post, and the second sliding connection structure is in sliding fit with the first sliding connection structure, so that the guide post can slide along a first direction relative to the wheel seat and limit relative sliding in other directions except the first direction; the shock absorber is arranged along the first direction, and two ends of the shock absorber are respectively connected with the frame and the wheel seat.

The shock absorber protection structure provided by the embodiment of the utility model has at least the following beneficial effects:

the guide post in the frame and the wheel seat connected with the wheels are in sliding connection with the first sliding connection structure by means of the second sliding connection structure, and the relative sliding between the guide post and the wheel seat in other directions except the first direction is limited, so that under the conditions that the vehicle is subjected to jolt and inclination, braking or acceleration and the like, the frame and the wheel seat can only generate relative sliding in the first direction, and meanwhile, the shock absorber connected with the frame and the wheel seat is arranged along the first direction, so that the shock absorber can extend and retract to realize shock absorption along with the relative sliding between the frame and the wheel seat, and meanwhile, the frame can not transmit lateral force perpendicular to the direction of the shock absorber to the shock absorber, and the shock absorber protection structure of the embodiment can effectively reduce damage caused by the lateral force to the shock absorber, so that the service life of the shock absorber is prolonged, and the safety is improved.

According to the shock absorber protecting structure of the embodiment of the first aspect of the utility model, the side of the guide post facing the wheel is provided with the accommodating groove extending along the first direction, and the shock absorber and/or the wheel seat are at least partially accommodated in the accommodating groove.

According to the shock absorber protection structure of the embodiment of the first aspect of the utility model, the limiting structure is arranged on the side of the opening of the lower end of the accommodating groove, and the cushion pad is arranged on the side of the limiting structure, which faces the wheel seat.

According to the shock absorber protection structure of some embodiments of the present utility model, the accommodating groove forms a second sliding structure, the wheel seat comprises a seat body and a plurality of rollers, the plurality of rollers form a first sliding structure, the rotating connection structure is arranged on the seat body, the plurality of rollers are respectively connected to a plurality of sides of the seat body in a rotating manner, and the wheel seat is respectively abutted to the groove bottom of the accommodating groove and two opposite side groove walls through the plurality of rollers.

According to the shock absorber protection structure of the embodiment of the first aspect of the utility model, the wheel seat is provided with the guide hole, the guide hole forms a first sliding connection structure, the guide post is provided with the slide bar, and the slide bar penetrates through the guide hole and forms a second sliding connection structure.

According to the shock absorber protection structure of the embodiment of the first aspect of the utility model, the frame comprises a top frame body, the upper end of the guide post is connected with the top frame body, the shock absorber comprises a movable guide rod and a fixed guide rod, the movable guide rod extends along a first direction, the lower end of the fixed guide rod is connected with the wheel seat, the movable guide rod can be movably connected with the fixed guide rod along the first direction, and the upper end of the movable guide rod is connected with the top frame body.

According to the shock absorber protection structure of the embodiment of the first aspect of the utility model, the guide post is provided with the fixed ring, the shock absorber is a hydraulic shock absorber and comprises the cylinder body and the piston rod, wherein the cylinder body is a movable guide rod, the piston rod is a fixed guide rod, and the lower end of the cylinder body and the piston rod penetrate through the fixed ring.

According to a second aspect of the present utility model, a balance car according to some embodiments includes the shock absorber protection structure and the wheel according to the first aspect of the present utility model, and the wheel base is rotatably connected to the wheel through a rotational connection structure.

According to the balance car of some embodiments of the second aspect of the application, at least the following beneficial effects are achieved: through adopting the bumper shock absorber protection architecture of above-mentioned first scheme embodiment, can effectively alleviate the damage that the side direction force brought the bumper shock absorber, and then improve the life and the security of balance car.

According to the balance car of some embodiments of the second aspect of the utility model, the balance car further comprises a pedal, the wheel seat and the guide posts are both provided with two, the two wheel seats and the two guide posts are both arranged on two sides of the wheel, and the pedal is provided with two and is respectively connected with one side of the two guide posts, which is away from the wheel.

According to the balance car of some embodiments of the second aspect of the utility model, the lower ends of the guide posts are connected with cross beams, one ends of the two cross beams extend to the front side or the rear side of the wheel, and are connected with each other through the supporting blocks, and the supporting blocks and the two cross beams jointly form the parking support.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a balance car with a shock absorber protection structure according to one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the balance car of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the guide post, wheel mount and shock absorber shown in FIG. 2;

FIG. 4 is a schematic view of the wheel seat shown in FIG. 3 from one view;

FIG. 5 is a schematic view of the wheel base of FIG. 3 from another perspective;

FIG. 6 is a schematic diagram of a connection structure of a guide post, a wheel seat and a shock absorber according to another embodiment;

FIG. 7 is a schematic view of the wheel mount shown in FIG. 6;

FIG. 8 is a schematic view of the structure of the shock absorber shown in FIG. 3;

fig. 9 is a schematic diagram of a connection structure between a guide post and a pedal mounting seat in another embodiment.

Reference numerals:

wheel 100, in-wheel motor 110, wheel axle 111, tire 120, wheel seat 200, roller 210, seat body 220, rotational connecting structure 221, screw hole 222, guide sleeve 230, guide hole 231, limit screw 240, top frame 300, guide post 400, accommodation groove 410, lightening hole 420, fixing ring 430, slide rod 440, shock absorber 500, cylinder 510, cylinder barrel 511, upper end cap 512, lower end cap 513, piston rod 520, cross beam 610, support block 620, battery module 700, foot pedal 800, pedal mount 900, limit portion 910, cushion 920, limit block 930.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, left, right, front, rear, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The shock absorber protection structure according to the first aspect of the present utility model can be applied to a vehicle such as a balance car and a bicycle, which has a shock absorbing requirement, and will be described below mainly with reference to a balance car pattern with the shock absorber protection structure, i.e. fig. 1 to 9.

Referring to fig. 1 to 3, a shock absorber protection structure according to an embodiment of the present utility model includes a wheel seat 200, a frame, and a shock absorber 500; the wheel seat 200 is provided with a rotary connecting structure 221 and a first sliding connection structure, wherein the rotary connecting structure 221 is used for connecting the wheel 100 so as to realize rotary connection of the wheel seat 200 and the wheel 100; the frame is used for connecting the wheel seat 200, and can be provided with a control main board of a vehicle such as a balance car, a car lamp and other parts, and can be also used for connecting the foot pedal 800 to bear a driver; the frame comprises a guide post 400 for connecting the wheel seat 200, the guide post 400 is provided with a second sliding connection structure, the second sliding connection structure is in sliding fit with the first sliding connection structure, the guide post 400 can slide along a first direction relative to the wheel seat 200, and relative sliding in other directions except the first direction is limited; the first direction may be a vertical direction or may be disposed at an acute angle to the vertical direction according to the structure of the frame, so that the frame can move up and down relative to the wheel 100 and the wheel seat 200 when the vehicle runs on a rough road surface and jolts up and down. The two ends of the shock absorber 500 are respectively connected with the frame and the wheel seat 200, and the shock absorber 500 is arranged along the first direction, so that shock absorption can be realized when the frame slides along the first direction relative to the wheel seat 200, and driving comfort of the balance car is improved.

It should be understood that, since the guide post 400 in the frame and the wheel seat 200 connected to the wheel 100 are slidably connected with the first sliding structure by means of the second sliding structure, and the relative sliding between the guide post 400 and the wheel seat 200 in other directions except the first direction is limited, so that under the conditions that the vehicle is jolt and inclined, braked or accelerated, the relative sliding between the frame and the wheel seat 200 can only be generated, and meanwhile, the shock absorber 500 connected to the frame and the wheel seat 200 is arranged along the first direction, so that the shock absorber 500 can extend and retract to realize shock absorption along with the relative sliding between the frame and the wheel seat 200, and meanwhile, the frame does not transmit the lateral force perpendicular to the shock absorber 500, so that the shock absorber protection structure of the embodiment can effectively reduce the damage of the lateral force to the shock absorber 500, thereby prolonging the service life of the shock absorber 500 and improving the safety.

It will be appreciated that to further enhance the protective effect of the shock absorber 500, in some of these embodiments, referring to fig. 2 and 3, the side of the guide post 400 facing the wheel 100 is provided with a receiving groove 410 extending in the first direction, and the shock absorber 500 and the wheel seat 200 are each at least partially received in the receiving groove 410. For such straddle-type driving vehicles as balance cars, the shock absorber 500 and the wheel seat 200 are always positioned between the legs of the driver and the wheel 100, and the accommodating groove 410 is formed in one side of the guide pillar 400 facing the wheel 100, and the shock absorber 500 and the wheel seat 200 are at least partially accommodated in the accommodating groove 410, so that the guide pillar 400 can be coated on one side of the shock absorber 500 and the wheel seat 200 facing away from the wheel 100, thereby protecting the shock absorber 500 better, and the possibility of contact between the legs or leg clothes and trousers of the driver and the shock absorber 500 and the wheel seat 200 can be effectively reduced, thereby being beneficial to further improving the safety. Of course, it should be understood that in addition to the manner in which the shock absorber 500 and the wheel mount 200 are commonly disposed within the receiving slot 410 described above, in other embodiments, one of the shock absorber 500 and the wheel mount 200 may alternatively be received within the receiving slot 410.

It will be appreciated that in some embodiments, the lower opening side of the accommodating groove 410 is provided with a limiting structure, the limiting structure is used for limiting the wheel seat 200 from sliding out of the accommodating groove 410, and a cushion 920 is further provided on a side of the limiting structure facing the wheel seat 200, and the cushion 920 is used for abutting against the wheel seat 200 to reduce impact.

Referring to fig. 9, in one embodiment, specifically, a pedal mount 900 for connecting the pedal 800 is mounted at the lower end of the guide post 400, the pedal mount 900 is provided with a limit portion 910 at the lower end opening side of the receiving groove 410, the limit portion 910 constitutes the above-mentioned limit structure, and the cushion pad 920 is disposed at a side of the limit portion 910 facing the wheel seat 200.

It should be understood that, in other embodiments, referring to fig. 2, the limiting structure may also be a limiting block 930 fixedly disposed on the guide post 400, where the limiting block 930 is disposed on the lower end opening side of the accommodating groove 410, and the cushion pad 920 is disposed on the side of the limiting block 930 facing the wheel seat 200.

It can be appreciated that, in some embodiments, referring to fig. 2 to 5, the sliding connection between the guide post 400 and the wheel seat 200 can be further facilitated by the accommodating groove 410, wherein the accommodating groove 410 forms a second sliding connection structure, the wheel seat 200 includes a seat body 220 and a plurality of rollers 210, wherein the plurality of rollers 210 form a first sliding connection structure, the seat body 220 is provided with a rotation connection structure 221 for connecting the wheel 100, the plurality of rollers 210 are respectively connected to a plurality of sides of the seat body 220 in a rotation manner, and a peripheral side surface of a part of the rollers 210 is abutted with a groove bottom of the accommodating groove 410, and a peripheral side surface of a part of the rollers 210 is abutted with two opposite side groove walls of the accommodating groove 410, that is, the wheel seat 200 is respectively abutted with the groove bottom of the accommodating groove 410 and two opposite side groove walls by the plurality of rollers 210; further, the sliding of the guide post 400 relative to the wheel seat 200 in the depth direction of the accommodating groove 410 is limited by the cooperation of the groove bottom of the accommodating groove 410 and the roller 210, and the sliding of the guide post 400 relative to the wheel seat 200 in the width direction of the accommodating groove 410 is limited by the cooperation of the groove walls of the opposite sides of the accommodating groove 410 and the roller 210, so that the guide post 400 and the whole frame can only slide relative to the wheel seat 200 in the first direction; meanwhile, the wheel seat 200 is abutted with the guide post 400 through the peripheral side surface of the roller 210, so that the friction between the guide post 400 and the wheel seat 200 is rolling friction, and further the abrasion problem between the guide post 400 and the wheel seat 200 in the up-and-down movement process is relieved, so that the service life is prolonged.

It will be appreciated that, in addition to the above-mentioned manner of engagement between the receiving groove 410 and the plurality of rollers 210, in other embodiments, other types of sliding connection may be selected to achieve the connection between the guide post 400 and the wheel base 200, and thus, the first sliding connection structure and the second sliding structure are not specifically limited herein, so long as the guide post 400 can slide in the first direction relative to the wheel base 200 and limit the relative sliding in other directions.

For example, referring to fig. 6 and 7, in another embodiment, the wheel seat 200 is provided with a guide hole 231, the guide hole 231 forms a first sliding connection structure, the guide post 400 is provided with a sliding rod 440 extending along a first direction, the sliding rod 440 is arranged through the guide sleeve 230 and forms a second sliding connection structure, so that the sliding of the guide post 400 relative to the wheel seat 200 in a direction perpendicular to the axis of the sliding rod 440 can be limited by the cooperation of the outer peripheral surface of the sliding rod 440 and the inner wall of the guide hole 231, so that the guide post 400 and the whole frame can only slide relative to the wheel seat 200 along the axis of the sliding rod 440 (i.e., the first direction); also, referring to fig. 7, in particular, the wheel seat 200 may include a seat body 220 and a guide sleeve 230, wherein a rotational connection structure 221 is provided on the seat body 220 to connect the wheel 100, the guide sleeve 230 is fixedly provided on the seat body 220 and provided with a guide hole 231, and the guide sleeve 230 may be made of a material having a low friction coefficient and being wear-resistant; meanwhile, referring to fig. 6, in detail, the slide bar 440 is fixedly disposed in the receiving groove 410.

It will be appreciated that in some embodiments, referring to fig. 2, the frame further includes a top frame 300 above the wheel 100, and the top frame 300 may be used for mounting a control main board, a lamp, or a handrail of the vehicle, and the upper end of the guide post 400 extends to the upper side of the wheel 100 and is connected to the top frame 300.

It is understood that the shock absorber 500 may be a telescopic shock absorber 500 such as a hydraulic shock absorber 500 or an inflatable shock absorber 500, and the shock absorber 500 includes a movable guide rod and a fixed guide rod, wherein the lower end of the fixed guide rod is connected to the wheel seat 200, the movable guide rod is movably connected to the fixed guide rod along the axial direction of the fixed guide rod, and the upper end of the movable guide rod is connected to the top frame 300, so that when the frame and the wheel seat 200 relatively move, the movable guide rod also slides and stretches relative to the fixed guide rod.

It can be appreciated that in one embodiment, referring to fig. 2, 3 and 8, the shock absorber 500 is a hydraulic shock absorber 500, and includes a cylinder 510 and a piston rod 520, wherein the cylinder 510 is a movable guide rod, and the piston rod 520 is a fixed guide rod; meanwhile, referring to fig. 3, specifically, the guide post 400 is further provided with a fixing ring 430 for connecting with the cylinder 510, the fixing ring 430 can be fixedly arranged in the accommodating groove 410, and the lower end of the cylinder 510 and the piston rod 520 penetrate through the fixing ring 430; therefore, the upper end of the cylinder 510 is connected to the top frame 300, and the lower portion of the cylinder 510 is penetrated through the fixing ring 430 to fix the upper and lower ends of the cylinder 510 at the same time, thereby further improving the stability of the installation of the shock absorber 500. Referring to fig. 8, specifically, the cylinder 510 includes a cylinder 511, and a lower end cap 513 and an upper end cap 512 respectively provided at the upper and lower ends of the cylinder 511, wherein the upper end cap 512 is connected to the top frame 300 by a fastener such as a screw, and the lower end cap 513 is inserted into the fixing ring 430.

It will be appreciated that, with reference to fig. 2 and 8, in order to facilitate connection of the wheel holder 200 in some embodiments described above, the lower end of the piston rod 520 is provided with external threads, and the wheel holder 200 is provided with a threaded hole 222 matching thereto, so that the piston rod 520 is screwed to the wheel holder 200 by the external threads. Of course, it should be understood that in other embodiments, the lower end of the piston rod 520 may alternatively be fixedly connected to the wheel seat 200 by a fastener such as a screw, or fixedly connected to the wheel seat 200 by welding, etc., so that the connection form of the piston rod 520 and the wheel seat 200 is not particularly limited herein.

It can be appreciated that referring to fig. 2, 3 and 6, in some embodiments, the guide post 400 is provided with a weight reducing hole 420, so that the weight of the guide post 400 can be reduced, and the balance car can be more portable; meanwhile, in particular, the weight reducing holes 420 may be provided on the groove bottom and/or the groove side walls of the receiving groove 410.

Hereinafter, a balance car according to a second aspect of the present utility model will be described, with reference to fig. 1 and 2, which includes the shock absorber protection structure and the wheel 100 according to the first aspect of the present utility model, and the wheel mount 200 is rotatably coupled to the wheel 100 through a rotational coupling structure 221; the balance car of the second aspect embodiment can effectively reduce damage to the shock absorber 500 caused by lateral force by adopting the shock absorber protection structure of the first aspect embodiment, thereby improving service life and safety of the balance car.

It can be appreciated that in some embodiments, referring to fig. 1 and 2, the balance car further includes two pedals 800, the wheel seat 200 and the guide posts 400 are respectively provided with two, the two wheel seat 200 and the two guide posts 400 are respectively provided at two sides of the wheel 100, and the two pedals 800 are respectively connected to one sides of the two guide posts 400 away from the wheel 100, so that when the driver drives the balance car on a road surface with uneven pits, the driver can move up and down along with the frame relative to the wheel seat 200 and the wheel 100 to reduce the bumpy feeling. Moreover, by adopting the shock absorber protection structure of the first embodiment, the damage to the shock absorber 500 caused by the lateral force can be effectively reduced, and the service life and the safety of the balance car are further improved.

It can be appreciated that, in some embodiments, referring to fig. 2, the wheel 100 includes a hub motor 110 and a tire 120 disposed on a peripheral side of the hub motor 110, and both sides of a middle portion of the hub motor 110 are provided with wheel shafts 111 for rotationally connecting with the wheel base 200, so that the wheel base 200 can be rotated relative to the whole wheel 100 when the hub motor 110 works, and further walking of the balance car is achieved; in addition, referring to fig. 2 and 5 to 7, specifically, in order to facilitate the installation of the wheel 100 on the wheel seat 200, the rotational connection structure 221 is a connection groove provided on the wheel seat 200, and the wheel seat 200 is provided with a limit screw 240 for limiting the wheel axle 111 from being separated from the connection groove.

It will be understood, of course, that in other embodiments, the axle 111 may alternatively be provided on the wheel base 200, and the axle 111 may form a rotational connection 221 for connecting the wheel 100, while a shaft hole or a connection slot matching the axle 111 is provided in the center of the hub motor 110, which can also achieve rotational connection of the wheel 100 with the wheel base 200; thus, the rotational coupling structure 221 is not particularly limited herein, as long as it enables the rotatable coupling of the wheel mount 200 and the wheel 100.

It will be appreciated that, in order to facilitate mounting the battery module 700, in other embodiments, referring to fig. 1, the lower ends of the guide posts 400 are each connected to a cross beam 610, and the battery module 700 is load-mounted on the cross beam 610; meanwhile, at least two groups of battery modules 700 are arranged on each cross beam 610, and the battery modules 700 are symmetrically arranged on two sides of the guide post 400, so that the gravity center between the battery modules 700 can fall on the guide post 400, and further the stability of the balance car during running is improved. In addition, in order to facilitate the parking of the balance car after stopping driving, one ends of the two cross beams 610 extend to the front side or the rear side of the wheel 100, and are connected with each other through the supporting blocks 620, the supporting blocks 620 and the two cross beams 610 together form a parking support, and then the balance car can be tilted forward or backward when parked, and is abutted against the ground through the supporting blocks 620.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A shock absorber protection structure, comprising:

the wheel seat is provided with a rotary connecting structure and a first sliding connection structure, and the rotary connecting structure is used for connecting wheels;

the frame comprises a guide post, wherein a second sliding connection structure is arranged on the guide post and is in sliding fit with the first sliding connection structure, so that the guide post can slide along a first direction relative to the wheel seat and limit relative sliding in other directions except the first direction;

the shock absorber is arranged along the first direction, and two ends of the shock absorber are respectively connected with the frame and the wheel seat.

2. A shock absorber protecting structure according to claim 1, wherein a side of the guide post facing the wheel is provided with a receiving groove extending in the first direction, the shock absorber and/or the wheel seat being at least partially received in the receiving groove.

3. The shock absorber protecting structure according to claim 2, wherein a limit structure is provided on a side of the lower end opening of the accommodating groove, and a cushion pad is provided on a side of the limit structure facing the wheel seat.

4. The shock absorber protecting structure according to claim 2, wherein the accommodating groove forms the second sliding connection structure, the wheel seat comprises a seat body and a plurality of rollers, the rollers form the first sliding connection structure, the rotating connection structure is arranged on the seat body, the rollers are respectively connected to a plurality of side surfaces of the seat body in a rotating mode, and the wheel seat is respectively abutted to the groove bottom of the accommodating groove and two opposite side groove walls through the rollers.

5. A shock absorber protection structure according to any one of claims 1 to 3, wherein the wheel seat is provided with a guide hole, the guide hole forms the first sliding connection structure, the guide post is provided with a slide bar, and the slide bar is arranged through the guide hole and forms the second sliding connection structure.

6. A shock absorber protection structure according to any one of claims 1 to 3, wherein said frame comprises a top frame body, and an upper end of said guide post is connected to said top frame body, said shock absorber comprises a movable guide post and a fixed guide post extending along said first direction, a lower end of said fixed guide post is connected to said wheel base, said movable guide post is movably connected to said fixed guide post along said first direction, and an upper end of said movable guide post is connected to said top frame body.

7. The shock absorber protecting structure according to claim 6, wherein a fixing ring is arranged on the guide post, the shock absorber is a hydraulic shock absorber and comprises a cylinder body and a piston rod, wherein the cylinder body is a movable guide rod, the piston rod is a fixing guide rod, and the lower end of the cylinder body and the piston rod penetrate through the fixing ring.

8. A balance car comprising a shock absorber protection structure according to any one of claims 1 to 7 and a wheel, said wheel mount being rotatably connected to said wheel by said rotational connection.

9. The balance car of claim 8, further comprising a foot rest, wherein the wheel seat and the guide posts are respectively provided with two, the two wheel seats and the two guide posts are respectively provided on two sides of the wheel, and the foot rest is respectively provided with two and is respectively connected to one side of the two guide posts away from the wheel.

10. The balance car of claim 9, wherein the lower ends of the guide posts are connected with cross beams, one ends of two cross beams extend to the front side or the rear side of the wheel and are connected with each other through supporting blocks, and the supporting blocks and the two cross beams jointly form a parking support.