CN219668403U - Balance car and supporting framework thereof - Google Patents

Abstract

The utility model provides a balance car supporting framework, includes supporting part, with the direct or indirectly fixed pole portion of sitting of supporting part, with the connecting portion of axostylus axostyle fixed connection, with the pedal portion of supporting part fixed connection, pedal position is located the inboard of wheel, connecting portion include mounting and assembled piece, the mounting is fixed with pedal portion, assembled piece is through cooperating with the mounting, is fixed in the axostylus axostyle with axostylus axostyle, locates on mounting and/or the assembled piece with axostylus axostyle assorted convex recess. The utility model aims at a balance car with a seat and a pedal part arranged at the inner side of a wheel. The wheel shaft is directly connected with the pedal part, so that the gravity center of a user during use is reduced, the safety is high, the matching structure of the fixing piece and the assembly piece is simple, the integrity is high, and the assembly efficiency is high due to the fact that the number of the assembly parts is small.

Description

Balance car and supporting framework thereof

Technical Field

The utility model relates to the field of balance cars, in particular to a balance car and a support framework thereof.

Background

The self-balancing electric vehicle (self-balancing vehicle), which is simply called a balance vehicle, is well known to those skilled in the art in the balance principle and straight control (including forward and backward), and comprises two turning control modes of no-rod and rod, wherein the existing rod balance vehicle controls the forward and backward of the balance vehicle through a vehicle body, and controls the turning of the vehicle through an operating rod.

When the wheels of the balance car with the rods in the prior art are arranged outside, the connection mode between the wheels and the frame is usually through the combined action of an upper clamping block and a lower clamping block, and the clamping blocks are fixed on a supporting framework (or called a frame) of the balance car, so that the installation and the fixation of the wheel shaft and the supporting framework are realized. However, this fixing method has many parts and is inefficient in assembly.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide the supporting framework which has a simple structure and high efficiency of being installed and fixed with the wheel shaft. The utility model provides the following technical scheme:

the utility model provides a balance car supporting framework, includes supporting part, with the direct or indirectly fixed pole portion of sitting of supporting part, with the connecting portion of axostylus axostyle fixed connection, with the pedal portion of supporting part fixed connection, pedal position is located the inboard of wheel, connecting portion include mounting and assembled piece, the mounting is fixed with pedal portion, assembled piece is through cooperating with the mounting, is fixed in the axostylus axostyle with axostylus axostyle, locates on mounting and/or the assembled piece with axostylus axostyle assorted convex recess.

Optionally, the structure of mounting is the concave shape of inversion, and the upper surface is the plane, and the lateral wall is the both sides mountain peak form structure of concave shape, and the lower surface includes concave surface and axle groove, the concave surface middle part is located to the axle groove, and the axle groove is continued to be concave to upper surface direction by the plane that the concave surface is located, the axle groove structure is convex.

Optionally, the concave surface is provided with a plurality of first through holes.

Optionally, the first through hole is an internal thread structure.

Optionally, the assembly includes a wheel shaft contact portion and a flat plate-shaped fixing portion extending outside, the wheel shaft contact portion is of a planar structure or a circular arc-shaped groove structure, the fixing portion is matched with the concave surface in shape, and the fixing portion is provided with a plurality of second through holes matched with the first through holes.

Optionally, the number of the first through holes and the second through holes is four, and the rectangles are distributed near the grooves.

Optionally, the first through hole and the second through hole are of internal thread structures.

Optionally, the fixing device further comprises a fixing bolt and a nut, wherein the fixing bolt penetrates through the first through hole and the second through hole, and the tail end of the fixing bolt is fixed by the nut.

Optionally, the fixing bolt is fixed by internal threads of the first through hole and the second through hole.

The utility model also provides a balance car, which comprises the support framework in any scheme.

The utility model aims at a rod balance car with a seat and a pedal part arranged at the inner side of a wheel, wherein the pedal part is generally higher than a car frame in the prior art, and the wheel shaft fixing position is positioned on a supporting framework at the lower part of the pedal part instead of being connected with the pedal part. This way, in fact, the centre of gravity of the user is increased and the safety is reduced. The wheel shaft is directly connected with the pedal part, so that the gravity center of a user in use is reduced, the safety is high, the matching structure of the fixing piece and the assembly piece is simple, the integrity is high, and the assembly efficiency is high due to the fact that the number of the assembly parts is small.

Drawings

FIG. 1 is a perspective view of a support frame according to an embodiment of the present utility model;

FIG. 2 is a side view of a support frame according to an embodiment of the present utility model;

FIG. 3 is a perspective view of a fastener according to an embodiment of the present utility model;

FIG. 4 is a side view of an embodiment of a fastener of the present utility model;

FIG. 5 is a top view of an embodiment of a fastener of the present utility model;

FIG. 6 is a perspective view of an assembly of an embodiment of the present utility model;

FIG. 7 is an exploded view of a support frame and a wheel according to an embodiment of the present utility model;

FIG. 8 is an assembly view of a support frame and a wheel according to an embodiment of the present utility model;

FIG. 9 is a perspective view of a balance car according to an embodiment of the present utility model;

in the drawings, reference numerals are: 1-supporting framework, 101-supporting part, 102-pedal part, 103-supporting part, 104-connecting part, 1041-fixing part, 10411-concave surface, 10412-side wall, 10413-shaft groove, 10414-first through hole, 1042-assembly part, 10421-wheel shaft contact part, 10422-fixing part, 10423-second through hole, 10424-fixing bolt, 105-upright rod, 1051-operating rod connecting part, 1052-sitting rod part, 2-wheel, 201-wheel shaft, 202-limiting platform, 3-shell, 4-operating rod, 5-steering wheel, 6-steering mechanism, 7-seat assembly and 8-pedal assembly.

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 exemplary and intended to illustrate the present utility model and should not be construed as limiting the application.

In the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," "fixedly connected," "retained," and the like are to be construed broadly. For example, the fixed connection may be a detachable connection, or an integral connection, including an integral molding; can be directly connected or indirectly connected through an intermediate medium, and can be connected inside two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless explicitly specified and limited otherwise, the terms "first", "second", etc. are used for distinguishing technical features only and do not denote a sequential order.

For convenience of description, the utility model uses the straight running direction of the balance car as the front-back direction, uses the horizontal direction vertical to the straight running direction of the balance car as the left-right direction, and uses the vertical direction vertical to the straight running direction of the balance car as the up-down direction.

Example 1

1-8, a balance car supporting frame 1 comprises a supporting part 101, a sitting rod part 1052 directly or indirectly fixed with the supporting part 101, a connecting part 104 fixedly connected with a wheel shaft 201, and a pedal part 102 fixedly connected with the supporting part 101, wherein the pedal part 102 is positioned at the inner side of a wheel 2, the connecting part 104 comprises a fixing piece 1041 and an assembling piece 1042, the fixing piece 1041 is fixed with the pedal part 102, the assembling piece 1042 is matched with the fixing piece 1041 to fix the wheel shaft 201 on the pedal part 102, and a circular arc-shaped groove matched with the wheel shaft 201 is formed in the fixing piece 1041 and/or the assembling piece 1042.

In this embodiment, circular arc grooves matching with the wheel shaft 201 are provided on the fixing member 1041 and the assembly member 1042, that is, as shown in fig. 3 to 6, the shaft groove 10413 provided on the fixing member 1041 and the wheel shaft contact portion 10421 provided on the assembly member 1042 are circular arc shapes, and jointly clamp the wheel shaft 201 at the time of assembly. In other embodiments, only one side of the two may be provided with a circular arc structure, and the other side is provided with a flat plate structure, so as to be matched with the wheel shaft 201 with the limiting platform 202.

In this embodiment, the sitting bar portion 1052 is directly or indirectly fixed to the supporting portion 101, and the direct or indirect fixation includes fixing by other components fixed to the supporting portion 101, for example, the sitting bar portion 1052 may also be first fixed to the pedal portion 102 by other structures, and the pedal portion 102 itself is fixedly connected to the supporting portion 101, and then indirectly fixed to the supporting portion 101.

In this embodiment, the supporting portion 101 is fixedly connected with the pedal portion 102, and the fixing connection manner may include various manners, which are not limited to the manners of welding commonly used for metal members, integrally molding used for plastic members, and the like.

In this embodiment, the pedal portion 102 is located at the inner side of the wheel 2, and is different from the balance car with the pedal portion 102 located at the outer side of the wheel 2, and has two different balance car structures, and because the pedal portion 102 is located at the outer side of the wheel 2, the connection mode between the wheel axle 201 and the supporting frame 1 is also greatly different, and the requirements on the bearing capacity of the pedal portion 102 of the frame are also different.

In this embodiment, the device further comprises a vertical rod 105, wherein the vertical rod 105 is fixed with the supporting part 101 and/or the pedal part 102, and an operation rod connecting part 1051 and a sitting rod part 1052 are arranged at the upper part of the vertical rod 105.

In this embodiment, the lever connection portion 1051 is fixed to the support portion 101 and/or the pedal portion 102, and the lever connection portion 1051 is not rotatable relative to the support portion 101 and/or the pedal portion 102.

In this embodiment, the supporting portion 101, the pedal portion 102, the supporting member 103, the connecting member 104 and the upright rod 105 on the supporting framework 1 are all of a metal tubular structure, and are fixed into a whole by welding, bending or other modes, so that the weight and cost are reduced while the whole bearing strength is ensured, and the whole stability of the supporting framework 1 is also ensured. In this embodiment, the pedal 102 and the support 101 may belong to different parts of a metal tubular structure, and the different parts are divided according to the tendency function only, such as the pedal assembly 8 is usually disposed on the pedal 102 where the pedal tends to be stepped. In other embodiments, the connection may be fixed by welding, fastening, screwing, etc., and if necessary (such as folding, etc.), the partial structures may be connected by hinging, etc.

In this embodiment, the fixing member 1041 has an inverted concave shape, as shown in fig. 4, the upper surface is a plane, the side wall 10412 has a peak-shaped structure on two sides of the concave shape, the lower surface includes a concave surface 10411 and an axial groove 10413, the axial groove 10413 is disposed in the middle of the concave surface 10411, the axial groove 10413 is concave from the plane of the concave surface 10412 toward the upper surface, and the axial groove 10413 has a circular arc shape.

In this embodiment, a plurality of first through holes 10414, that is, through holes seen from the upper surface of the fixing member 1041, are formed at the concave surface 10412.

In this embodiment, the first through hole 10414 is an internal thread structure, and can be directly fixed with the bolt in a matching manner, so that compared with a through hole without a thread structure, the fixing manner of additionally arranging a nut outside is more concise and the assembly efficiency is higher. Whether the second through hole 10423 is an internal thread structure is not limited herein, and various cases described later are included, and are specifically described later.

In this embodiment, the assembly 1042 includes a wheel axle contact portion 10421 and a flat plate-shaped fixing portion 10422 extending outside, the wheel axle contact portion 10421 is a planar structure or a circular arc-shaped groove structure, the fixing portion 10422 is matched with the concave surface 10411 in shape, and the fixing portion 10422 is provided with a plurality of second through holes 10423 matched with the first through holes 10414.

Specifically, the number of the first through holes 10414 and the second through holes 10423 is four, and the rectangular holes are distributed near the grooves, which is more beneficial to the fixation of the wheel axle 201.

In this embodiment, the first through hole 10414 and the second through hole 10423 are of internal thread structure. In other embodiments, the first through hole 10414 may be an internal thread structure, the second through hole 10423 may not be an internal thread structure, and a fixing bolt may pass through the second through hole 10423 and press the assembly 1042 against the fixing member 1041.

In other embodiments, a fixing bolt and a nut (both not shown) are further included, the fixing bolt passing through the first through hole 10414 and the second through hole 10423, and the end being fixed by the nut. In this manner, no internal threads are provided in both the first through hole 10414 and the second through hole 10423.

In this embodiment, a fixing bolt (not shown) is further included, and the fixing bolt is fixed by internal threads of the first through hole 10414 and the second through hole 10423.

In this embodiment, the outer sides of the assembly 1042 can be embedded into the two side walls 10412 of the fixing member 1041, so that the overall connection structure is not protruded and is smoother, and the effect of other operations on the firmness of connection due to the lateral force applied to the assembly 1042 is avoided. Other operations, including but not limited to, the difference in the plane of the wheel 2 and the tire during riding, may apply a slight end tilting (inward tilting or outward tilting) force to the wheel axle 201, and long-term repetition may result in loosening of the fixing bolt, but the side wall 10412 may also prevent the assembly 1042 from continuing to loosen from the concave surface 10411 due to the tight fit with the outside of the assembly 1042. The stability of the assembly is improved. Thereby improving the safety of the overall structure.

In this embodiment, the internal threads are shown in the figures, and those skilled in the art will understand how the internal threads are provided.

In the mounting process, the wheel shaft 201 is placed at the position of the shaft groove 10413 of the fixing piece 1041 on the supporting framework 1, the second through hole 10423 of the assembly 1042 is aligned with the first through hole 10414, and then the fixing bolt is screwed into the second through hole 10423 and the first through hole 10414 to fix, so that the mounting of the wheel shaft 201 can be completed.

Example 2

The balance car shown in fig. 9, wherein the supporting framework 1 adopts the structure of the embodiment 1, and further comprises wheels 2, a shell 3, an operating rod 4, a steering wheel 5, a steering mechanism 6, a seat assembly 7 and a pedal assembly 8, wherein the positions of the components are shown in the figure.

Example 3

As shown in fig. 9, the lever 4 is fixed to the support frame 1 by a lever connecting portion 1051, and in this embodiment, is fixed to the support frame 1 by a pole 105. The steering mechanism 6 is arranged at the joint of the operating rod 4 and the steering wheel 5. In this embodiment, the steering mechanism is not directly arranged at the joint of the bottom of the upright rod 105 or the operating rod 4 and the supporting framework 1, so that the complexity of the bottom structure of the supporting framework 1 can be reduced, and the bearing performance is more stable. The balance car of this embodiment is not different from other places of embodiment 2, and will not be described again.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a balance car supporting framework which characterized in that, including supporting part, with the direct or indirectly fixed seat pole portion of supporting part, with the connecting portion of axletree fixed connection, with the pedal portion of supporting part fixed connection, pedal portion is located the inboard of wheel, connecting portion include mounting and assembled part, the mounting is fixed with pedal portion, the assembled part is through cooperating with the mounting, is fixed in pedal portion with axletree, locates on mounting and/or the assembled part with axletree assorted convex recess.

2. The balance car supporting framework of claim 1, wherein the fixing member has an inverted concave shape, the upper surface is a plane, the side walls are mountain-shaped structures on two sides of the concave shape, the lower surface comprises a concave surface and a shaft groove, the shaft groove is arranged in the middle of the concave surface, the shaft groove is continuously concave from the plane of the concave surface to the upper surface, and the shaft groove structure is in a circular arc shape.

3. The balance car support frame of claim 2, wherein a plurality of first through holes are formed in the concave surface.

4. The balance car support frame of claim 3, wherein the first through hole is of an internal thread structure.

5. The balance car supporting frame according to claim 2, wherein the assembly comprises a wheel shaft contact part and a flat plate-shaped fixing part extending outside, the wheel shaft contact part is of a plane structure or a circular arc-shaped groove structure, the fixing part is matched with the concave surface in shape, and a plurality of second through holes matched with the first through holes are formed in the fixing part.

6. The balance car supporting framework of claim 5, wherein the number of the first through holes and the second through holes is four, and the rectangular holes are distributed near the grooves.

7. The balance car support frame of claim 6, wherein the first and second through holes are internal threaded structures.

8. The balance car support frame of claim 5, further comprising a fixing bolt and a nut, the fixing bolt passing through the first through hole and the second through hole, the end being fixed by the nut.

9. The balance car support frame of claim 7, further comprising a fixing bolt secured by internal threads of the first through hole and the second through hole.

10. A balance car comprising a support frame according to any one of claims 1 to 9.