CN106184560B

CN106184560B - Balance car wheel fixed knot constructs and balance car

Info

Publication number: CN106184560B
Application number: CN201610769156.5A
Authority: CN
Inventors: 尚艳燕
Original assignee: Individual
Current assignee: Shenzhen Aotu Intelligent Technology Co ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2019-12-27
Anticipated expiration: 2036-08-30
Also published as: CN106184560A

Abstract

The invention discloses a balance car wheel fixing structure and a balance car. The wheel fixing structure of the balance car comprises two car bodies, wherein a connecting shaft is arranged right below a joint of the two car bodies; wheels are arranged at one end of the vehicle body far away from the joint; the vehicle body is provided with a bracket connected with the connecting shaft; the frame is movably connected with the connecting shaft. The balance car can effectively reduce the occupied space of the balance car and is convenient to store.

Description

Balance car wheel fixed knot constructs and balance car

Technical Field

The invention relates to the field of balance cars, in particular to a wheel fixing structure of a balance car and the balance car.

Background

The operation principle of the electric balance vehicle, also called a somatosensory vehicle and a thinking vehicle, is mainly based on a basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are utilized to detect the change of the posture of the vehicle body, and a servo control system is utilized to accurately drive a motor to perform corresponding adjustment so as to keep the balance of the system.

The conventional electric balance car generally has two types, one type is that a car body is provided with an operating lever, and a user stands on a pedal platform of the electric balance car to operate the operating lever so as to move forward, backward and stop, and the control is also called manual control. The other is that the vehicle body is composed of two parts, the left part and the right part rotate mutually through a rotating mechanism, and therefore foot control is achieved.

The existing balance car occupies a larger space when not in use due to the fact that the existing balance car occupies a larger space. The wheels are easy to roll, and the balance car is not provided with a parking brake device, so that the balance car is easy to walk.

Disclosure of Invention

The invention aims to provide a balance car wheel fixing structure convenient to store and a balance car.

The purpose of the invention is realized by the following technical scheme:

according to one aspect of the invention, the invention discloses a wheel fixing structure of a balance car, which comprises a car body, wherein a supporting arm is arranged at the bottom of the car body, one end of the supporting arm is rotatably fixed with the bottom of the car body, and the other end of the supporting arm is rotatably fixed with a wheel; the supporting arm is provided with a through hole, a pin body capable of moving along the through hole is arranged in the through hole, the bottom of the vehicle body is also provided with a first positioning hole and a second positioning hole which are matched with the pin body, and when the supporting arm rotates to an unfolded state, the pin body is matched with the first positioning hole; when the supporting arm rotates to a contraction state, the pin body is matched with the second positioning hole.

Furthermore, the pin body comprises a connecting column and a fixing column connected with the end part of the connecting column; the width of the cross section of the fixing column is larger than that of the cross section of the connecting column; the joint of the fixed column and the connecting column forms a first ring surface; correspondingly, the through hole comprises a first hole matched with the connecting column and a second hole matched with the fixing column; a second ring surface is formed at the joint of the first hole and the second hole; the connecting column is sleeved with a spring; two ends of the spring are positioned through the first annular surface and the second annular surface respectively. Because of the existence of the spring, the pin body always props against the plane of the bottom of the body, and once the pin body rotates to the position of the first positioning hole or the second positioning hole, the pin body is automatically embedded into the first positioning hole or the second positioning hole under the action of the elastic force of the spring, and automatic positioning can be realized without manual intervention.

Further, the wheel comprises a wheel body and an axle component; the wheel shaft component comprises a shaft body, one end of the shaft body penetrates through the wheel body, and the other end of the shaft body is provided with a switching part; a supporting part movably connected with the connecting piece is arranged on one surface of the switching part opposite to the shaft body; the supporting part and the supporting arm can be rotationally fixed. Generally speaking, the shaft is all thinner, is difficult to realize rotatable fixed knot and constructs, can increase the area of contact of pivot portion through the switching portion, on the one hand easily with the connecting piece fixed, on the other hand at wheel development state and automobile body side contact location, improve stability when the wheel operation.

Furthermore, the adapter part is a circular truncated cone; the supporting part is fixed at the position of the round platform deviating from the axis. The supporting part deviates from the axis, when the balance car is in a running state, the supporting part can naturally run to the lowest point due to the left and right of gravity and human body pressure to form a stable positioning structure, at the moment, the disc part above the supporting part has more areas to be contacted with the side surface of the car body, so that the wheel is positioned by discs in the vertical direction, the horizontal position is supported by the connecting piece at the bottom, the double-sided support can effectively disperse the bearing of the wheel, and the balance car is more stable and durable.

Furthermore, a notch is formed in one end, fixed with the wheel shaft, of the supporting arm; the other end is an arc part; a rotating shaft is arranged in the notch; the supporting part is embedded into the gap and is sleeved with the rotating shaft. This is a concrete fixed knot of support arm and shaft structure, because the structure of dodging of breach for whole rotating-structure is all smaller, is favorable to reducing balance car volume.

Further, the bottom of the vehicle body is provided with an arc-shaped groove, and the first positioning hole and the second positioning hole are respectively arranged at two ends of the arc-shaped groove. The arc-shaped groove has a guiding effect on the pin body, so that the rotating range of the whole supporting arm is limited, and the collision between the wheel and other parts caused by the overlarge rotating range is avoided.

Further, an arc-shaped limiting part is further arranged at the bottom of the vehicle body; the wheel is in fold condition, and the inside surface is fixed a position with the top contact of spacing portion.

Furthermore, the middle position of the top of the limiting part is highest and is used for being in contact with the inner side surface of the wheel for positioning; the two sides of the middle part are inclined planes extending to the bottom of the vehicle body. The wheel is folded and transited through the inclined plane, the middle part of the top of the limiting part is rotated to be tightened, the wheel is positioned after being folded through the tightened stress, a complex buckle structure is not needed, the implementation mode is simple, the wheel is firmly fixed, and the wheel is not afraid of sliding to cause falling.

Furthermore, a fixing hole is formed in one end, opposite to the wheel, of the supporting arm; the bottom of the vehicle body is provided with a positioning column matched with the fixing hole; the support arm is rotatably fixed with the bottom of the vehicle body through the matching of the fixing hole and the positioning column.

According to another aspect of the invention, the invention also discloses a balance car, which comprises the balance car wheel fixing structure.

Compared with the prior art, the invention has the technical effects that: the wheel can be integrally rotated to the bottom of the vehicle body for storage in a folded state due to the adoption of the rotating supporting arm, so that the occupied space of the balance vehicle in the folded state can be reduced, the positions of the supporting arm in an unfolded state and the supporting arm in the folded state can be found easily in the rotating process due to the adoption of the matching of the pin body and the positioning hole, and the folding and unfolding operations are convenient.

Drawings

FIG. 1 is a schematic plan view of a balance car according to an embodiment of the present invention in a folded state;

FIG. 2 is a schematic perspective view of a balance car according to an embodiment of the present invention in a folded state;

FIG. 3 is a schematic plan view of a balance car according to an embodiment of the present invention in a wheel neutral state;

FIG. 4 is a schematic perspective view of a balance car according to an embodiment of the present invention in a wheel neutral state;

FIG. 5 is a schematic plan view of a balance car according to an embodiment of the present invention in a wheel neutral state;

FIG. 6 is a schematic perspective view of a balance car according to an embodiment of the present invention in a wheel neutral state;

FIG. 7 is an exploded view of the cross-section taken along A-A of FIG. 5;

FIG. 8 is an exploded view of a wheel mounting structure of the balance car according to the embodiment of the present invention;

fig. 9 is a schematic view of the wheel structure according to the embodiment of the present invention.

Wherein: 10. a vehicle body; 11. a positioning column; 12. a pin body; 121. connecting columns; 122. fixing a column; 123. a first annulus; 124. a spring; 20. an arc-shaped groove; 21. a first positioning hole; 22. a second positioning hole; 30. a support arm; 31. a through hole; 311. a first hole; 312. a second hole; 313. a second annulus; 33. a fixing hole; 34. a notch; 35. an arc-shaped portion; 36. a rotating shaft; 40. a limiting part; 50. a wheel body; 51. a wheel axle; 52. a shaft body; 53. a circular truncated cone; 54. a support portion.

Detailed Description

The invention discloses a balance car which comprises a car body and a balance car wheel fixing structure. The balance car wheel fixing structure comprises a supporting arm arranged at the bottom of a car body, one end of the supporting arm is rotatably fixed with the bottom of the car body, and the other end of the supporting arm is rotatably fixed with a wheel; the supporting arm is provided with a through hole, a pin body capable of moving along the through hole is arranged in the through hole, the bottom of the vehicle body is also provided with a first positioning hole and a second positioning hole which are matched with the pin body, and when the supporting arm rotates to an unfolded state, the pin body is matched with the first positioning hole; when the supporting arm rotates to a contraction state, the pin body is matched with the second positioning hole.

The wheel can be integrally rotated to the bottom of the vehicle body for storage in a folded state due to the adoption of the rotating supporting arm, so that the occupied space of the balance vehicle in the folded state can be reduced, the positions of the supporting arm in an unfolded state and the supporting arm in the folded state can be found easily in the rotating process due to the adoption of the matching of the pin body and the positioning hole, and the folding and unfolding operations are convenient.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The following describes a wheel securing structure of a balance vehicle and a balance vehicle according to an embodiment of the present invention with reference to fig. 1 to 9.

The embodiment discloses a wheel fixing structure of a balance car, the balance car comprises a car body 10, a supporting arm 30 is arranged at the bottom of the car body 10, one end of the supporting arm 30 is rotatably fixed with the bottom of the car body 10, and the other end of the supporting arm 30 is rotatably fixed with a wheel; the supporting arm 30 is provided with a through hole 31, a pin body 12 capable of moving along the through hole 31 is arranged in the through hole 31, the bottom of the vehicle body 10 is also provided with a first positioning hole 21 and a second positioning hole 22 which are matched with the pin body 12, and when the supporting arm 30 rotates to the unfolding state, the pin body 12 is matched with the first positioning hole 21; when the support arm 30 is rotated to the retracted state, the pin 12 engages with the second positioning hole 22.

The pin body 12 comprises a connecting column 121 and a fixing column 122 connected with the end part of the connecting column 121; the cross section width of the fixing column 122 is greater than that of the connecting column 121; the joint of the fixed column 122 and the connecting column 121 forms a first ring surface 123; correspondingly, the through hole 31 comprises a first hole 311 adapted to the connecting column 121, and a second hole 312 adapted to the fixing column 122; the joint of the first hole 311 and the second hole 312 forms a second ring surface 313; a spring 124 is sleeved on the connecting column 121; the spring 124 is positioned at both ends by a first ring surface 123 and a second ring surface 313, respectively. Due to the existence of the spring 124, the pin body 12 always abuts against the plane of the bottom of the body, once the pin body is rotated to the position of the first positioning hole 21 or the second positioning hole 22, the pin body 12 is automatically inserted into the first positioning hole 21 or the second positioning hole 22 under the elastic force of the spring 124, and automatic positioning can be realized without manual intervention.

The wheel comprises a wheel body 50 and an axle 51; the wheel shaft 51 part comprises a shaft body 52, one end of the shaft body 52 penetrates through the wheel body 50, and the other end of the shaft body is provided with an adapter part; a supporting part 54 movably connected with the connecting piece is arranged on the surface of the switching part opposite to the shaft body 52; the support portion 54 is rotatably fixed to the support arm 30. Generally, the axle 51 is thin, so that a rotatable fixing structure is not easy to realize, the contact area of the rotating shaft 36 can be increased through the adapter, and the axle is easy to fix with the connecting piece on one hand, and on the other hand, the axle is in contact with the side surface of the vehicle body 10 in a wheel unfolding state to be positioned, so that the stability is improved when the wheels run. The switching part is a round platform 53; the support portion 54 is fixed to the circular truncated cone 53 at a position offset from the axial center. The supporting part 54 deviates from the axis, when the balance car is in a running state, the supporting part 54 can naturally run to the lowest point due to the left and right of gravity and human body pressure, so that a stable positioning structure is formed, at the moment, more area of the disc part above the supporting part 54 is in contact with the side surface of the car body 10, the wheels are positioned by discs in the vertical direction, the horizontal position is supported by the connecting part at the bottom, the bearing of the wheels can be effectively dispersed by double-sided support, and the balance car is more stable and durable.

The bottom of the vehicle body 10 is provided with an arc-shaped groove 20, and the first positioning hole 21 and the second positioning hole 22 are respectively arranged at two ends of the arc-shaped groove 20. The arc-shaped groove 20 has a guiding function on the pin body 12, namely, the rotation range of the whole supporting arm 30 is limited, and the collision between the wheel and other parts caused by the overlarge rotation range is avoided.

The bottom of the vehicle body 10 is also provided with an arc-shaped limiting part 40; in the folded state, the inner side surface of the wheel is in contact with the top of the limiting part 40 for positioning. One end of the supporting arm 30 fixed with the wheel shaft 51 is provided with a notch 34; the other end is an arc-shaped part 35; a rotating shaft 36 is arranged in the notch 34; the supporting portion 54 is inserted into the notch 34 and sleeved with the rotating shaft 36. Due to the avoiding structure of the notch 34, the whole rotating structure is small, and the size of the balance car body 10 is reduced. The side of the limiting part 40 facing the support arm 30 is an inner arc surface, which can just avoid when the arc part 35 of the support arm 30 rotates.

The middle position of the top of the limiting part 40 is highest and is used for being in contact with the inner side surface of the wheel for positioning; the two sides of the middle part are inclined planes extending to the bottom of the vehicle body 10. The wheel is folded, the middle part of the top of the limiting part 40 is rotated to be tightened through slope transition, the wheel is positioned after being folded through the tightened stress, a complex buckle structure is not needed, the implementation mode is simple, the fixation is firm, and the wheel is not afraid of sliding to cause falling.

One end of the supporting arm 30 opposite to the wheel is provided with a fixing hole 33; the bottom of the vehicle body 10 is provided with a positioning column 11 matched with the fixing hole 33; the supporting arm 30 is rotatably fixed with the bottom of the vehicle body 10 through the matching of the fixing hole 33 and the positioning column 11. The positioning column 11 can be realized by a screw.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A wheel fixing structure of a balance car comprises a car body and is characterized in that a supporting arm is arranged at the bottom of the car body, one end of the supporting arm is rotatably fixed with the bottom of the car body, and the other end of the supporting arm is rotatably fixed with a wheel; the supporting arm is provided with a through hole, a pin body capable of moving along the through hole is arranged in the through hole, the bottom of the vehicle body is also provided with a first positioning hole and a second positioning hole which are matched with the pin body, and when the supporting arm rotates to an unfolded state, the pin body is matched with the first positioning hole; when the supporting arm rotates to a contraction state, the pin body is matched with the second positioning hole;

the wheel comprises a wheel body and a wheel shaft component, the wheel shaft component comprises a shaft body, one end of the shaft body penetrates through the wheel body, and the other end of the shaft body is provided with a switching part; a supporting part movably connected with the connecting piece is arranged on one surface of the switching part opposite to the shaft body; one end of the supporting arm fixed with the wheel shaft part is provided with a notch; a rotating shaft is arranged in the notch; the supporting part is embedded into the notch and is sleeved with the rotating shaft, and the supporting part and the supporting arm can be fixed in a rotating manner; the adapter part is a circular truncated cone; the supporting part is fixed at the position of the circular truncated cone deviating from the axis; when the supporting arm rotates to the unfolding state, the adapter part is in contact with the side face of the vehicle body for positioning.

2. The balance car wheel fixing structure according to claim 1, wherein the pin body comprises a connecting column, and a fixing column connected with the end of the connecting column; the width of the cross section of the fixing column is larger than that of the cross section of the connecting column; the joint of the fixed column and the connecting column forms a first ring surface; correspondingly, the through hole comprises a first hole matched with the connecting column and a second hole matched with the fixing column; a second ring surface is formed at the joint of the first hole and the second hole; the connecting column is sleeved with a spring; two ends of the spring are positioned through the first annular surface and the second annular surface respectively.

3. The balance vehicle wheel securing structure according to claim 1, wherein the other end of the support arm is an arc-shaped portion.

4. The balance car wheel fixing structure according to any one of claims 1 to 3, wherein an arc-shaped groove is formed in the bottom of the car body, and the first positioning hole and the second positioning hole are respectively formed in two ends of the arc-shaped groove.

5. The balance car wheel fixing structure according to any one of claims 1 to 3, wherein an arc-shaped limiting part is further arranged at the bottom of the car body; the wheel is in fold condition, and the inside surface is fixed a position with the top contact of spacing portion.

6. The balance car wheel fixing structure according to claim 5, wherein the middle position of the top of the limiting part is highest and is used for being in contact with the inner side surface of a wheel for positioning; the two sides of the middle part are inclined planes extending to the bottom of the vehicle body.

7. The balance car wheel fixing structure according to any one of claims 1 to 3, wherein a fixing hole is provided at an end of the support arm opposite to the wheel; the bottom of the vehicle body is provided with a positioning column matched with the fixing hole; the support arm is rotatably fixed with the bottom of the vehicle body through the matching of the fixing hole and the positioning column.

8. A balance car comprising the wheel securing structure for a balance car according to any one of claims 1 to 7.