CN108974220B

CN108974220B - Wheel mounting structure for plate balance car

Info

Publication number: CN108974220B
Application number: CN201811102050.5A
Authority: CN
Inventors: 杜勇强; 张永学; 李友才; 王铭杰; 邱保安
Original assignee: Yongkang Jiaheng Industry And Trade Co ltd
Current assignee: Yongkang Jiaheng industry and Trade Co.,Ltd.
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2020-12-25
Anticipated expiration: 2038-09-20
Also published as: CN108974220A

Abstract

The invention discloses a wheel mounting structure for a plate-type balance car, and relates to the technical field of balance car mounting structures. The invention comprises a pedal and wheels, wherein two fixed mounting blocks are fixed on one surface of the pedal; a first T-shaped groove is formed in one side face of the fixed mounting block; the first T-shaped groove penetrates through the fixed mounting block; two H-shaped grooves are formed in one surface of the fixed mounting block; an elastic part is in interference fit in the H-shaped groove; a first threaded hole is formed in the surface of one fixed mounting block in a rectangular arrangement mode; first threaded counter bores are formed in the opposite side faces of the fixed mounting block; the first thread countersunk head hole is in threaded connection with an anti-drop screw. The balance car is convenient to carry out car connection maintenance through the designed fixed mounting block, the designed movable mounting block and the designed elastic piece, meanwhile, the damping effect is achieved, the screw is not easy to fall off under the action of elasticity, the anti-falling screw can also guarantee that the balance car is not disassembled when the bottom connecting screw falls off, and the problems that the connection structure of the balance car is complex, the maintenance is not changed, and the screw falls off and is easy to disassemble are solved.

Description

Wheel mounting structure for plate balance car

Technical Field

The invention belongs to the technical field of balance car mounting structures, and particularly relates to a wheel mounting structure for a plate-type balance car.

Background

The electric balance car is also called a body-sensing car, a thinking car, a camera car and the like. The market mainly comprises a single wheel and two wheels. The operating principle is mainly established on the basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are used for detecting the change of the vehicle body posture, and a servo control system is used for accurately driving a motor to perform corresponding adjustment so as to keep the balance of the system. Is a novel green and environment-friendly product used as a travel tool and leisure and entertainment by modern people.

Most of the existing electric balance cars adopt an external motor, the motor is directly connected with wheels by fixing the external motor, however, the wheels with the internal motor cannot be fixed by adopting the method, the existing fixing method comprises the steps of injection molding and wrapping a rotating shaft, or welding a fixed connecting plate on the rotating shaft, and connecting the rotating shaft with a car body through screws, so that the maintenance is inconvenient or the screws are easy to fall off, the falling off easily causes the disintegration of the balance car, and the connection is not stable enough.

Disclosure of Invention

The invention aims to provide a wheel mounting structure for a plate type balance car, which is convenient for car connection and maintenance through a designed fixed mounting block, a designed movable mounting block and a designed elastic part, simultaneously plays a role in shock absorption, is not easy to fall off under the action of elasticity, can ensure that the balance car is not disassembled when a bottom connecting screw falls off under the action of an anti-falling screw, and solves the problems that the connection structure of the balance car is complex and is not changed in maintenance, and the screw falls off and is easy to disassemble.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a wheel mounting structure for a plate-type balance car, which comprises a pedal and wheels, wherein two fixed mounting blocks are fixed on one surface of the pedal; a first T-shaped groove is formed in one side face of the fixed mounting block; the first T-shaped groove penetrates through the fixed mounting block; two H-shaped grooves are formed in one surface of the fixed mounting block; an elastic part is in interference fit in the H-shaped groove; a first threaded hole is formed in the surface of one fixed mounting block in a rectangular arrangement mode; first threaded counter bores are formed in the opposite side faces of the fixed mounting block; the first thread countersunk hole is in threaded connection with an anti-drop screw; a movable mounting block is in sliding fit with the opposite inner wall of the first T-shaped groove; the movable mounting block comprises a bottom mounting plate; a second thread countersunk hole is formed in the surface of the bottom mounting plate in a rectangular arrangement; the bottom mounting plate is fixedly connected with the fixed mounting block through a first countersunk head screw; the first countersunk head screw is in threaded connection with the second threaded countersunk head hole and the first threaded hole; one surface of the bottom mounting plate is in contact with one end surface of the elastic piece; a T-shaped sliding block is arranged on one surface of the bottom mounting plate; the T-shaped sliding block is in sliding fit with the first T-shaped groove; one side surface of the T-shaped sliding block is provided with a through hole; the inner wall of the through hole is in interference fit with a rotating shaft on the wheel; one end of the rotating shaft is in threaded connection with a locking nut; rectangular grooves are formed in the opposite side faces of the T-shaped sliding block; one end of the anti-falling screw is in sliding fit with the relative inner wall of the first rectangular groove.

Further, the cross section of the elastic part is of an H-shaped structure; the elastic part comprises rubber or TPE.

Furthermore, a threaded through hole is formed in one surface of the bottom mounting plate; the threaded through hole penetrates through the inner wall of the through hole at one end; the inner wall of the threaded through hole is in threaded connection with a set screw; the set screw is provided with a tip which tightly pushes the rotating shaft.

Further, the height of the elastic piece is larger than the depth of the H-shaped groove and ranges from 3mm to 6 mm.

Furthermore, a rubber pad is fixed on the inner wall of the first T-shaped groove; the thickness range of the rubber pad is 2mm-5 mm.

Furthermore, the thickness of the horizontal part of the first T-shaped groove is 3-6 mm greater than that of the horizontal part of the T-shaped sliding block.

The invention has the following beneficial effects:

1. according to the invention, the movable mounting block is pre-installed on the rotating shaft of the wheel, the T-shaped sliding block is slidably installed on the fixed mounting block, the fixed mounting block and the movable mounting block are fixed together through the first countersunk head screw, the elastic part absorbs shock when the wheel vibrates, and simultaneously the elastic part generates pre-tightening force after being extruded, so that the possibility of falling off of the first countersunk head screw is reduced, the stability of the mounting structure is increased, and the mounting and dismounting are convenient.

2. According to the invention, through the matching of the rectangular groove formed in the movable mounting block and the anti-drop screw, the movable mounting block can only vibrate up and down in a small range in the first T-shaped groove, the connection effect is still ensured under the condition that the first countersunk head screw completely drops, and the disassembly of the balance car is prevented.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a wheel mounting structure for a plate balance car according to the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view of the structure of the pedal and the fixed mounting block;

FIG. 5 is a schematic structural view of a movable mounting block;

in the drawings, the components represented by the respective reference numerals are listed below:

1-pedal, 2-wheel, 3-fixed mounting block, 4-movable mounting block, 5-elastic element, 6-lock nut, 7-first countersunk screw, 8-set screw, 9-anti-drop screw, 10-rubber pad, 201-rotating shaft, 301-first T-shaped groove, 302-H-shaped groove, 303-first threaded hole, 304-first threaded countersunk hole, 401-bottom mounting plate, 402-T-shaped sliding block, 403-through hole, 404-rectangular groove, 405-second threaded countersunk hole and 406-threaded through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention is a wheel mounting structure for a plate balance car, including a pedal 1 and a wheel 2, wherein two fixed mounting blocks 3 are fixed on one surface of the pedal 1; one side surface of the fixed mounting block 3 is provided with a first T-shaped groove 301; the first T-shaped groove 301 penetrates through the fixed mounting block 3; one surface of the fixed mounting block 3 is provided with two H-shaped grooves 302; the elastic part 5 is in interference fit in the H-shaped groove 302; a first threaded hole 303 is formed in the surface of the fixed mounting block 3 in a rectangular arrangement; one opposite side surface of the fixed mounting block 3 is provided with a first thread countersunk hole 304; the first thread countersunk hole 304 is in threaded connection with an anti-drop screw 9;

a movable mounting block 4 is in sliding fit between the opposite inner walls of the first T-shaped groove 301; the movable mounting block 4 comprises a bottom mounting plate 401; a second thread countersunk hole 405 is formed in the rectangular arrangement on one surface of the bottom mounting plate 401; the bottom mounting plate 401 is fixedly connected with the fixed mounting block 3 through a first countersunk head screw 7; the first countersunk head screw 7 is in threaded connection with the second threaded countersunk head hole 405 and the first threaded hole 303; one surface of the bottom mounting plate 401 is in contact with one end surface of the elastic member 5; a T-shaped sliding block 402 is arranged on one surface of the bottom mounting plate 401; the T-shaped sliding block 402 is in sliding fit with the first T-shaped groove 301; a through hole 403 is formed in one side surface of the T-shaped sliding block 402; the inner wall of the through hole 403 is in interference fit with the rotating shaft 201 on the wheel 2; one end of the rotating shaft 201 is in threaded connection with a locking nut 6; one opposite side surface of the T-shaped sliding block 402 is provided with a rectangular groove 404; one end of the anti-falling screw 9 is in sliding fit with a relative inner wall of the rectangular groove 404, so that the movable mounting block 4 is allowed to vibrate up and down in the first T-shaped groove 301 in a small range, and the movable mounting block 4 is prevented from being separated from the first T-shaped groove 301 after the bottom screw falls off.

Wherein, the cross section of the elastic part 5 is in an H-shaped structure; the elastic piece 5 is made of high-elasticity rubber, so that the connection fastening is increased, and the shock absorption effect is achieved.

Wherein, a threaded through hole 406 is formed on one surface of the bottom mounting plate 401; the threaded through hole 406 penetrates through the inner wall of the through hole 403 at one end; the inner wall of the threaded through hole 406 is in threaded connection with a set screw 8; the set screw 8 is provided with a tip which tightly pushes the rotating shaft 201 to prevent the rotating shaft 201 from axially sliding and circumferentially rotating.

Wherein, the height of the elastic piece 5 is larger than the depth of the H-shaped groove 302 by 3mm-6 mm.

Wherein, a rubber pad 10 is fixed on one inner wall of the first T-shaped groove 301; the thickness range of the rubber pad 10 is 2mm-5 mm.

One specific application of this embodiment is: the installation, install movable mounting piece 4 on the pivot 201 on wheel 2 earlier, fasten through lock nut 6, with movable mounting piece 4 slidable mounting in the first T-slot 301 of opening on fixed mounting piece 3, fix with four first countersunk screw 7, until elastic component 5 produces elastic deformation, spacing movable mounting piece 4 with two anticreep screws 9, only let its up-and-down motion, through 8 most advanced top tight pivots 201 of holding screw, prevent the axial slip and the circumferential direction of pivot 201.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. Plate-type wheel mounting structure for balance car, including footboard (1) and wheel (2), its characterized in that: two fixed mounting blocks (3) are fixed on one surface of the pedal (1); a first T-shaped groove (301) is formed in one side face of the fixed mounting block (3); one surface of the fixed mounting block (3) is provided with two H-shaped grooves (302); an elastic piece (5) is in interference fit in the H-shaped groove (302); a first threaded hole (303) is formed in one surface of the fixed mounting block (3) in a rectangular arrangement mode; one opposite side surface of the fixed mounting block (3) is provided with a first thread countersunk hole (304); the first thread countersunk hole (304) is in threaded connection with an anti-drop screw (9); a movable mounting block (4) is in sliding fit with one opposite inner wall of the first T-shaped groove (301); the movable mounting block (4) comprises a bottom mounting plate (401); a second thread countersunk hole (405) is formed in one surface of the bottom mounting plate (401) in a rectangular arrangement; the bottom mounting plate (401) is fixedly connected with the fixed mounting block (3) through a first countersunk head screw (7); a T-shaped sliding block (402) is arranged on one surface of the bottom mounting plate (401); a through hole (403) is formed in one side surface of the T-shaped sliding block (402); the inner wall of the through hole (403) is in interference fit with a rotating shaft (201) on the wheel (2); one end of the rotating shaft (201) is in threaded connection with a locking nut (6); one opposite side surface of the T-shaped sliding block (402) is provided with a rectangular groove (404); one end of the anti-falling screw (9) is in sliding fit with one opposite inner wall of the rectangular groove (404), and a threaded through hole (406) is formed in one surface of the bottom mounting plate (401); the threaded through hole (406) penetrates through the inner wall of the through hole (403) at one end; a set screw (8) is connected to the inner wall of the threaded through hole (406) in a threaded manner, the cross section of the elastic piece (5) is of an H-shaped structure, and a rubber pad (10) is fixed to one inner wall of the first T-shaped groove (301);

the height of the elastic piece (5) is larger than the depth of the H-shaped groove (302) by 3-6 mm; the thickness range of the rubber pad (10) is 2mm-5 mm;

the movable mounting block (4) is preassembled on a rotating shaft of the wheel, is slidably mounted on the fixed mounting block (3) through the T-shaped sliding block (402), and is fixed with the fixed mounting block (3) and the movable mounting block (4) through the first countersunk head screw (7), so that the elastic part (5) absorbs shock when the wheel vibrates, and meanwhile, the elastic part (5) generates pretightening force after being extruded, the possibility of falling off of the first countersunk head screw (7) is reduced, and the stability of a mounting structure is improved;

during installation, the movable installation block (4) is firstly installed on a rotating shaft (201) on a wheel (2) and is fastened through a locking nut (6), the movable installation block (4) is installed in a first T-shaped groove (301) formed in a fixed installation block (3) in a sliding mode and is fixed through four first countersunk head screws (7) until an elastic part (5) generates elastic deformation, the movable installation block (4) is limited through two anti-falling screws (9) and only moves up and down, the rotating shaft (201) is tightly pressed through the tip of a set screw (8) to prevent the rotating shaft (201) from axially sliding and circumferentially rotating, a rectangular groove (404) formed in the movable installation block (4) is matched with the anti-falling screws (9), so that the movable installation block (4) can only vibrate in the first T-shaped groove (301) in a small vertical range, and connection effectiveness is still guaranteed under the condition that the first countersunk head screws (7) completely fall off, the disassembly of the balance car is prevented.

2. The wheel mounting structure for a plate balance vehicle according to claim 1, wherein the elastic member (5) is made of rubber.