CN113184095B - Two-wheeled balance car with reset structure - Google Patents

Abstract

The invention discloses a two-wheeled balance car with a resetting structure, which comprises a first car body, a second car body and a through shaft, wherein the first end of the through shaft extends into the first car body, the second end of the through shaft extends into the second car body, the first car body is fixedly connected with the through shaft, the second car body is rotatably connected with the through shaft, the resetting structure is arranged between the second car body and the through shaft, the resetting structure comprises an extrusion piece and a resetting piece, the extrusion piece is fixedly connected with the through shaft or is of an integrated structure, the resetting piece is connected with the second car body, and two ends of the extrusion piece are correspondingly arranged. The advantages are that: the through shaft enhances the structural strength and the connection strength of the first vehicle body and the second vehicle body; a reset structure is arranged between the second vehicle body and the through shaft, and the reset structure not only provides more real control foot feeling; the resetting structure is arranged on the through shaft, so that the space in the second vehicle body is saved.

Description

Two-wheeled balance car with reset structure

Technical Field

The invention relates to the technical field of balance cars, in particular to a two-wheeled balance car with a reset structure.

Background

At present, a swing car in the balance car, its slewing mechanism through the centre rotates, and consequently, slewing mechanism is the stress concentration point of whole balance car, and when the bearing of balance car exceeded certain weight, slewing mechanism and with the easy deformation of hookup location of automobile body, splayed phenomenon in the balance car can take place seriously influences the operation and the security of balance car. In order to overcome the defect, the balance car adopts a through shaft structure for connecting the wheels and the rotating mechanism. In addition, in order to realize better foot feeling, the reset structure is arranged in the balance car body, and the through shaft structure occupies partial space in the balance car body, so that the reset structure of the balance car body needs to be reset.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the two-wheeled balance car with the reset structure, which has the advantages of high structural strength, good stability, sensitive operation foot feeling and quick car body reset.

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

the utility model provides a two-wheeled balance car of structure resets in area, includes first automobile body and the second automobile body, still including leading to the axle, the first end that leads to the axle stretches into in the first automobile body, the second end that leads to the axle stretches into in the second automobile body, first automobile body with lead to an axle fixed connection, the second automobile body with lead to the axle and rotate the connection, the second automobile body with lead to being equipped with the structure that resets between the axle, the structure that resets includes the extruded article and resets, the extruded article with lead to an axle fixed connection or structure as an organic whole, reset with the second automobile body coupling, just the both ends correspondence of extruded article sets up.

Preferably, be equipped with the mount pad in the second car body, the mount pad includes lid and base, the second car body includes second epitheca and second inferior valve, the base with the second epitheca or second inferior valve formula structure as an organic whole, the lid with base fixed connection.

Preferably, the reset piece is a spring, the extrusion piece is of a plate-shaped structure, two ends of the extrusion piece are positioned at two sides of the through shaft, and the number of the springs is at least two and the springs respectively correspond to the two ends of the extrusion piece; the base is provided with at least two spring mounting seats, and the cover body is internally provided with a spring movable cavity.

Preferably, the spring mounting seat comprises a spring slot and a spring mounting post, the spring mounting post is located in the middle of the spring slot, and the spring is sleeved on the spring mounting post; a gap is provided between the end of the spring mounting post and the pressing surface of the pressing member to limit the rotation angle of the second vehicle body.

Preferably, the number of the springs is four, the springs are divided into two groups, and the two groups are respectively arranged on two sides of the through shaft; the extruded part is an I-shaped plate, and each spring corresponds to the end part of the extruded part.

Preferably, the reset piece is a spring plate, the extrusion piece is of a block structure, is positioned at the top or the bottom of the through shaft and is arranged corresponding to the spring plate; the cover body or the base is internally provided with an elastic piece accommodating cavity, the elastic piece accommodating cavity is internally provided with a deformation groove, and the position of the extrusion piece corresponds to the position of the deformation groove.

Preferably, a bearing is sleeved on the through shaft, a bearing groove is formed in the mounting seat, and the through shaft is rotatably connected with the mounting seat through the bearing and the bearing groove; or, the through shaft is sleeved with a shaft sleeve, a shaft sleeve groove is formed in the mounting seat, and the through shaft is rotatably connected with the mounting seat through the shaft sleeve and the shaft sleeve groove.

Preferably, a first bearing half groove is formed in the cover body, a second bearing half groove is formed in the base, and the first bearing half groove and the second bearing half groove form the bearing groove; or, a first shaft sleeve half groove is formed in the cover body, a second shaft sleeve half groove is formed in the base, and the first shaft sleeve half groove and the second shaft sleeve half groove form the shaft sleeve groove.

Preferably, at least two bearings are sleeved on the through shaft, at least two bearing grooves are formed in the mounting seat, and the bearings correspond to the bearing grooves one to one; or, the through shaft is sleeved with at least two shaft sleeves, the mounting seat is internally provided with at least two shaft sleeve grooves, and the shaft sleeves correspond to the shaft sleeve grooves one to one.

Preferably, the reset structure is located between the two bearing grooves or the shaft sleeve groove.

Compared with the prior art, the invention has the beneficial effects that:

according to the balance car, the through shaft is arranged in the car body and penetrates through the first car body and the second car body, so that the structural strength and the connection strength of the first car body and the second car body are enhanced, the deformation of the connection part of the first car body and the second car body is avoided, and the balance car can bear heavier weight; the second vehicle body rotates relative to the through shaft so as to control the running of the balance vehicle, and the reset structure is arranged between the second vehicle body and the through shaft, so that the reset structure not only provides more real control foot feeling, but also can automatically reset the balance vehicle in a non-working state, and the operation is simpler; the reset structure is arranged on the through shaft, so that the space in the second vehicle body is saved, the distance between the second vehicle body and the reset piece is shorter, and the reset feedback is more sensitive.

Drawings

Fig. 1 is an exploded view of a balance car according to a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a balance car according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second upper case according to the first embodiment of the invention;

fig. 4 is an exploded view of a balance car according to a second embodiment of the present invention;

fig. 5 is an exploded view of a balance car according to a third embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure view of a balance car according to a third embodiment of the present invention.

In the figure: 10. a first vehicle body; 11. a first upper case; 12. a first lower case; 20. a second vehicle body; 21. a second upper case; 22. a second lower case; 30. a first wheel; 31. a first axle; 40. a second wheel; 41. a second axle; 50. a shaft is connected; 51. a first end; 52. a second end; 53. a bearing; 60. a mounting seat; 61. a base; 62. a cover body; 63. a first bearing half-groove; 64. a second bearing half-groove; 65. a spring slot; 66. a spring mounting post; 67. a deformation groove; 68. an accommodating chamber; 71. a spring; 72. a compression plate; 73. a spring plate; 74. and extruding the block.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, wherein the description of the invention is given by way of illustration and not of limitation, and certain specific embodiments of the invention are described, but the invention is not limited thereto. The specific embodiments described are merely illustrative. Various embodiments may be combined with each other to form other embodiments not shown in the following description. The disclosure is also intended to cover alternatives, modifications, and equivalents. Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the disclosed technology to those of ordinary skill in the art. However, embodiments may be practiced without these specific details.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may, explicitly or implicitly, include one or more of that feature, and in the context of this disclosure, a "plurality" means two or more unless otherwise specifically defined.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; mechanical connection is also possible; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to fig. 6, the two-wheeled balance vehicle with a return structure according to the embodiment of the invention includes a first vehicle body 10 and a second vehicle body 20, and further includes a through shaft 50, a first end 51 of the through shaft 50 extends into the first vehicle body 10, a second end 52 of the through shaft 50 extends into the second vehicle body 20, and the through shaft 50 traverses the first vehicle body 10 and the second vehicle body 20, so as to enhance the structural strength and the connection strength of the first vehicle body 10 and the second vehicle body 20, avoid deformation of the first vehicle body 10 and the second vehicle body 20 at the connection, and enable the balance vehicle to bear heavier weight. More specifically, the first end 51 of the through shaft 50 is located at the outer end of the first vehicle body 10, and may be located in the first vehicle body 10, or the end surface may penetrate through the first vehicle body 10, or the end surface may be flush with the outer end of the first vehicle body 10, and the first end 51 of the through shaft 50 may be connected to the first axle 31 of the first wheel 30, or may be disposed at a distance from the first axle 31; the second end 52 of the through shaft 50 is located at an outer end of the second body 20, and may be located within the second body 20, or may be end-passed out of the second body 20, or may be end-flush with the outer end of the second body 20, and the second end 52 of the through shaft 50 may be connected to the second axle 41 of the second wheel 40, or may be spaced apart from the second axle 41.

The through shaft 50 is a hollow tube or a solid tube, the first vehicle body 10 is fixedly connected with the through shaft 50, and the second vehicle body 20 is rotatably connected with the through shaft 50, so that the first vehicle body 10 and the second vehicle body 20 can rotate relatively. A reset structure is arranged between the second vehicle body 20 and the through shaft 50, and the reset structure is arranged between the second vehicle body 20 and the through shaft 50, so that the reset structure not only provides more real control foot feeling, but also can automatically reset the balance vehicle in a non-working state, and the operation is simpler; the resetting structure is arranged on the through shaft 50, so that the space in the second vehicle body 20 is saved, the distance between the second vehicle body 20 and the resetting piece is closer, and the resetting feedback is more sensitive.

The first vehicle body includes a first upper shell 11 and a first lower shell 12, and the second vehicle body 20 includes a second upper shell and a second lower shell 22.

Preferably, the structure that resets includes the extruded article and resets, the extruded article with lead to axle 50 fixed connection or structure as an organic whole, extruded article and lead to axle 50's fixed connection mode have screw fixation, welded fastening etc.. The resetting piece is connected with the second vehicle body 20, and two ends of the extrusion piece are correspondingly arranged. When the second vehicle body 20 rotates relative to the through shaft 50, the distance between the returning member and one end of the extrusion member is reduced, the returning member deforms to store force, so that the second vehicle body 20 has a tendency to return, and after the force applied to the second vehicle body 20 disappears, the second vehicle body 20 returns under the action of the returning member. The piece that resets can be connected with the extruded piece, also can set up with extruded piece components of a whole that can function independently.

When piece and the extruded piece components of a whole that can function independently set up reset, for the installation, be equipped with mount pad 60 in the second car body 20, mount pad 60 includes lid 62 and base 61, the second car body 20 includes second epitheca 21 and second inferior valve 22, base 61 with second epitheca 21 or second inferior valve 22 formula structure as an organic whole, lid 62 with base 61 fixed connection. More specifically, as shown in the first embodiment shown in fig. 1 and fig. 2, the base 61 and the second upper shell 21 are of an integral structure, a pressing member is disposed on the lower portion of the through shaft 50, the cover 62 is disposed below the pressing member, the pressing member is disposed in the movable cavity of the spring 71 of the cover 62, and the cover 62 and the base 61 are fixedly connected by screws. The reset piece is a spring 71, the extrusion piece is of a plate-shaped structure, two ends of the extrusion piece are positioned at two sides of the through shaft 50, and the number of the springs 71 is at least two and the springs correspond to the two ends of the extrusion piece respectively; the base 61 is provided with at least two spring 71 mounting seats 60, and the cover 62 is provided with a spring 71 movable cavity. The size of the movable chamber of the spring 71 is larger than that of the mounting seat 60 of the spring 71 and provides a movable compression space for the spring 71. The extruded plate 72 is made of a non-deformable material, such as steel, which may conform to the material of the through-shaft 50. When the mount 60 rotates following the second vehicle body 20, the distance between one end of the pressing plate 72 and the side corresponding to the spring groove 65 is shortened, the spring 71 on that side is compressed and accumulated, and the mount 60 has a tendency to return, and at the same time, the mount 60 is fixedly connected to the second vehicle body 20, and therefore, the second vehicle body 20 has a tendency to return.

Preferably, in order to ensure that the spring 71 keeps a vertical state and is convenient to contact with the pressing surface of the pressing plate 72 for bearing force, the mounting seat 60 of the spring 71 comprises a spring slot 65 and a spring mounting column 66, the spring slot 65 is a cylindrical slot, the spring mounting column 66 is arranged in the middle, and the spring 71 is sleeved on the spring mounting column 66. In some embodiments, a gap is provided between the end of the spring mounting post 66 and the pressing surface of the pressing plate 72, when the spring 71 is pressed to a certain degree, the pressing plate 72 contacts the end of the spring mounting post 66, the relative rotation between the pressing plate 72 and the mounting seat 60 is stopped, and the second vehicle body 20 can not rotate in the direction, so as to limit the rotation angle of the second vehicle body 20 and the through shaft 50. The gap between the end of the spring 71 mounting seat 60 and the pressing surface of the pressing plate 72 can be set according to actual requirements, and the rotation angle of the second vehicle body 20 relative to the through shaft 50 can be taken as the basis.

Preferably, the number of the springs 71 is four, and the springs are divided into two groups which are respectively arranged on two sides of the through shaft 50; the four springs 71 can provide a greater return force while making the connection between the return structure and the second vehicle body 20 more stable and the return of the second vehicle body 20 more smooth. In order to correspond to the four springs 71, the extrusion plate is an I-shaped plate, and has four end parts, and each spring 71 corresponds to the end part of the extrusion part respectively, so that the stress balance of each spring 71 is ensured.

In the second embodiment shown in fig. 4, the base 61 and the second lower shell 22 are of an integral structure, the extrusion piece is arranged on the upper part of the through shaft 50, the cover 62 is arranged above the extrusion piece, the extrusion plate is arranged in the movable cavity of the spring 71 of the cover 62, and the cover 62 and the base 61 are fixedly connected through screws. The other structure is the same as the first embodiment.

As shown in fig. 5 and fig. 6, in the third embodiment, the resetting structure includes an extruding block 74 and a resetting member, the resetting member is a spring plate 73, a deformation groove 67 is formed in the mounting base 60, and the deformation groove 67 is located below the spring plate 73, so that the spring plate 73 has a deformation space; the position of the pressing block 74 corresponds to the deformation groove 67, and when the elastic sheet 73 rotates relative to the pressing block 74, the elastic sheet is pressed by the pressing block 74 to deform, so that the mounting base 60 has a tendency of resetting. More specifically, as shown in fig. 6, when the base 61 and the second upper shell 21 are in an integrated structure, the cover 62 of the mounting base 60 is provided with a spring 73 accommodating cavity 68, the spring 73 is located in the spring 73 accommodating cavity 68, and the pressing block 74 is arranged at the bottom of the through shaft 50 and above the spring 73; the deformation groove 67 is positioned in the middle of the bottom of the elastic sheet 73 accommodating cavity 68 and corresponds to the extrusion block 74 on the through shaft 50, the elastic sheet 73 is flatly laid in the elastic sheet 73 accommodating cavity 68, and the middle of the deformation groove 67 corresponds to the deformation groove. The spring plate 73 is made of a deformable material, such as a metal sheet or an elastic rubber sheet, and the pressing block 74 is shorter than those of the first and second embodiments, and is made of a non-deformable material, such as a steel plate, and can be made of the same material as the through shaft 50. When the mounting seat 60 rotates along with the first vehicle body 10 or the second vehicle body 20, one end of the pressing block 74 presses the elastic sheet 73, the elastic sheet 73 deforms and accumulates force towards the deformation groove 67, so that the mounting seat 60 has a resetting tendency, and meanwhile, the mounting seat 60 is fixedly connected with the first vehicle body 10 or the second vehicle body 20, so that the first vehicle body 10 or the second vehicle body 20 has a resetting tendency. At this time, the depth of the deformation groove 67 restricts the rotation angle between the first vehicle body 10 or the second vehicle body 20 and the through shaft 50, and acts as a limit. As shown in fig. 5, the deformation groove 67 is a trapezoidal groove adapted to the deformation of the elastic piece 73. Of course, in other embodiments, when the base 61 and the second lower shell 22 are of an integral structure, the pressing block 74 is disposed on the top of the through shaft 50 and below the elastic sheet 73; or, the elastic sheet 73 accommodating cavity 68 may also be disposed on the base 61, when the base 61 and the second upper shell 21 are in an integrated structure, the pressing block 74 is disposed at the top of the through shaft 50 and below the elastic sheet 73, and when the base 61 and the second lower shell 22 are in an integrated structure, the pressing block 74 is disposed at the bottom of the through shaft 50 and above the elastic sheet 73.

As shown in fig. 1 to 4, the first vehicle body 10 is fixedly connected to the through shaft 50, and the second vehicle body 20 is provided with a mounting seat 60 rotatably connected to the through shaft 50. More specifically, the mounting seat 60 includes a base 61 and a cover 62, the second vehicle body 20 includes a second upper shell 21 and a second lower shell 22, in the first embodiment, the base 61 and the second upper shell 21 are of an integral structure, and the cover 62 is located below the base 61 and is fixedly connected to the base 61 through screws. Be equipped with first bearing half groove 63 on the lid 62, be equipped with second bearing half groove 64 on the base 61, first bearing half groove 63 and second bearing half groove 64 form the bearing groove, and the bearing 53 cover is established on logical axle 50, installs in the bearing 53 cover. At this time, the through shaft 50 is rotatably connected to the second upper case 21, and the second upper case 21 is a member directly stepped on, so that the force acting on the second upper case 21 can be directly transmitted to the through shaft 50 by the connection, and the bearing capacity of the second upper case 21 can be further improved.

In other embodiments, such as the second embodiment shown in fig. 4 and the third embodiment shown in fig. 5, the first vehicle body 10 is fixedly connected with the through shaft 50, and the second vehicle body 20 is provided with a mounting seat 60 rotatably connected with the through shaft 50. More specifically, the mounting seat 60 includes a base 61 and a cover 62, the second vehicle body 20 includes a second upper shell 21 and a second lower shell 22, in the second embodiment, the base 61 and the second lower shell 22 are of an integral structure, and the cover 62 is located above the base 61 and is fixedly connected to the base 61 through screws. Be equipped with first bearing half groove 63 on the lid 62, be equipped with second bearing half groove 64 on the base 61, first bearing half groove 63 and second bearing half groove 64 form the bearing groove, and the bearing 53 cover is established on logical axle 50, installs in the bearing 53 cover. At this time, the through shaft 50 is rotatably connected to the second lower case 22, and under the action of gravity, the through shaft 50 can be more stably mounted in the mounting seat 60 during use, and it is also possible to prevent the second upper case 21 from being mounted with excessive parts, which deteriorates the mechanical strength of the second upper case 21.

Preferably, in order to improve the stability of the rotation of the mounting seat 60 and the through shaft 50, the through shaft 50 is sleeved with at least two bearings 53, at least two bearing grooves are formed in the mounting seat 60, the bearings 53 correspond to the bearing grooves one to one, the size of each bearing 53 is the same, and the arrangement of the plurality of bearings 53 is favorable for reducing the pressure applied to each bearing 53 and improving the rotation efficiency.

The structure of the shaft sleeve is basically the same as that of the above-described embodiment, and the bearing 53 may be partially replaced with the shaft sleeve.

The reset structure is positioned between the two bearing grooves or the shaft sleeve grooves, and the rotating structure and the reset structure are combined together, so that the volume of the corresponding structure is reduced, and the installation space in the second vehicle body 20 is saved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (4)

1. A two-wheeled balance car with a reset structure comprises a first car body and a second car body and is characterized by further comprising a through shaft, wherein the first end of the through shaft extends into the first car body, the second end of the through shaft extends into the second car body, the first car body is fixedly connected with the through shaft, the second car body is rotatably connected with the through shaft, the reset structure is arranged between the second car body and the through shaft and comprises an extrusion piece and a reset piece, the extrusion piece is fixedly connected with the through shaft or is of an integrated structure, the reset piece is connected with the second car body, and two ends of the extrusion piece are correspondingly arranged;

the second vehicle body is internally provided with a mounting seat, the mounting seat comprises a cover body and a base, the second vehicle body comprises a second upper shell and a second lower shell, the base and the second upper shell or the second lower shell are of an integrated structure, and the cover body is fixedly connected with the base;

the reset piece is an elastic piece, the extrusion piece is of a block structure and is an extrusion block, and the extrusion block is positioned at the top or the bottom of the through shaft and corresponds to the elastic piece; an elastic sheet accommodating cavity is formed in the cover body or the base, a deformation groove is formed in the elastic sheet accommodating cavity, the position of the extrusion block corresponds to the position of the deformation groove, and the size of the extrusion block corresponds to the size of the deformation groove;

the through shaft is sleeved with a bearing, a bearing groove is formed in the mounting seat, and the through shaft is rotatably connected with the mounting seat through the bearing and the bearing groove; or the through shaft is sleeved with a shaft sleeve, a shaft sleeve groove is formed in the mounting seat, and the through shaft is rotatably connected with the mounting seat through the shaft sleeve and the shaft sleeve groove;

the through shaft is sleeved with at least two bearings, at least two bearing grooves are formed in the mounting seat, and the bearings correspond to the bearing grooves one to one; or, the through shaft is sleeved with at least two shaft sleeves, the mounting seat is provided with at least two shaft sleeve grooves, and the shaft sleeves correspond to the shaft sleeve grooves one to one;

the reset structure is positioned between the two bearing grooves or the shaft sleeve groove.

2. The two-wheeled balance car with the return structure of claim 1, wherein: the deformation groove is a trapezoidal groove.

3. The two-wheeled balance car with the return structure of claim 1, wherein: the elastic sheet is made of a deformable material, and the extrusion block is made of a non-deformable material.

4. The two-wheeled balance car with the return structure of claim 1, wherein: the cover body is provided with a first bearing half groove, the base is provided with a second bearing half groove, and the first bearing half groove and the second bearing half groove form the bearing groove; or, a first shaft sleeve half groove is formed in the cover body, a second shaft sleeve half groove is formed in the base, and the first shaft sleeve half groove and the second shaft sleeve half groove form the shaft sleeve groove.

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