CN210337459U

CN210337459U - Anti-reverse mechanism for front wheel of scooter

Info

Publication number: CN210337459U
Application number: CN201920953663.3U
Authority: CN
Inventors: 许奕明; 钱杰; 茅立安; 姚生强
Original assignee: Deqing Yijiushan Ii Outdoor Activities Planning Co Ltd
Current assignee: Zhejiang Xindong Intelligent Technology Co., Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-17
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to a scooter front wheel anti-reversing mechanism, including shaft and wheel, the wheel passes through the bearing and rotates and install at the epaxial round mounting groove of wheel, the center of wheel is provided with circular mounting groove, be provided with a relative pivoted fixing base in the mounting groove, the fixing base is fixed at the epaxial, be provided with on the fixing base and block the step, it blocks to be provided with between the inner wall of step and mounting groove to block, it supports and leans on between the inner wall that blocks step and mounting groove to block the inner wall of step, the inner wall of mounting groove reduces along one of them rotation direction to the vertical distance that blocks the step gradually, be provided with. The utility model discloses a set up the draw-in groove on the inner wall of mounting groove for can't break away from in the draw-in groove owing to partly card income that stops after the certain angle of rotation of wheel, thereby will stop the piece card and die the inner wall of mounting groove and stop between the step, make the wheel can't continue to rotate, prevent to stop the inner wall of piece and mounting groove to take place to skid and lose and prevent reversing the function.

Description

Anti-reverse mechanism for front wheel of scooter

Technical Field

The utility model relates to a wheel technical field, in particular to tilting prevention mechanism is taken turns to before scooter.

Background

The wheels of the existing scooter can rotate forwards and backwards to realize the forward and backward movement of the scooter. However, in mountain sports, a common slope has a certain gradient, and the scooter slides on the slope at a relatively high speed, so that accidents are easy to happen once the scooter slides backwards.

The utility model discloses a Chinese utility model with application number 200520017895.6, which comprises a round runner body, a bearing outer race wheel sleeve, a rolling bearing, an inner bore shaft, wherein the round runner body is sleeved with the outer race of the bearing outer race wheel sleeve, the inner race of the bearing outer race wheel sleeve is sleeved with the outer race of the rolling bearing, the inner race of the rolling bearing is sleeved with the inner bore shaft, a molding plate is fixedly sleeved on the inner bore shaft, the outer edge of the molding plate is sleeved with the inner race of the bearing outer race wheel sleeve, the axial inner side of the molding plate is connected with the rolling bearing, the outer edge of the molding plate is provided with a groove, the vertical surface of the groove is provided with a spring nest hole, a spring is arranged in the spring nest hole, the horizontal plane of the groove is provided with a rolling needle, the axial outer side of, the defects are that the surfaces of the needle roller and the inner edge of the bearing outer race wheel sleeve are smooth, and the needle roller and the bearing outer race wheel sleeve are easy to slip to lose the braking effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scooter front wheel prevents reverse mechanism solves the kingpin and skids easily and can't realize the problem of wheel function of preventing reversing.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a scooter front wheel anti-inversion mechanism, includes shaft and wheel, the wheel passes through the bearing rotation and installs at the shaft, the center of wheel is provided with circular mounting groove, be provided with a relative pivoted fixing base in the mounting groove, the fixing base is fixed at the shaft, be provided with on the fixing base and block the step, it blocks to be provided with between the inner wall of stopping step and mounting groove and blocks, block to support and to lean on between the inner wall that blocks step and mounting groove, the inner wall of mounting groove reduces along one of them rotation direction to the perpendicular distance that blocks the step gradually, be provided with the draw-in groove that is used for holding partial block on the inner wall of mounting groove.

When reversing, because the elastic action of elastic component, block piece and support all the time and lean on the inner wall of mounting groove and block between the step, wheel rotation certain angle back this moment can't break away from because partly card of blocking piece is gone into in the draw-in groove to block the piece card and die the inner wall of mounting groove and block between the step, make the wheel can't continue to rotate, even block the smooth also can guarantee the wheel braking of inner wall surface of piece and mounting groove, realize preventing the function of reversing.

Preferably, the cross-section of the blocking member is circular and the centre line of the blocking member is parallel to the axis of rotation of the wheel.

Preferably, the maximum vertical distance from the inner wall of the mounting groove to the blocking step is greater than or equal to the outer diameter of the blocking member.

During forward rotation, the blocking piece moves on the blocking step under the friction action of the inner wall of the mounting groove until the maximum vertical distance from the inner wall of the mounting groove to the blocking step is larger than or equal to the outer diameter of the blocking piece, so that the blocking piece part obstructs normal rotation of the wheel.

Preferably, the blocking step is arranged between the wheel shaft and the inner wall of the mounting groove, and the plane where the blocking step is located is parallel to the axis of the wheel shaft.

Preferably, the blocking step is provided with an elastic member for abutting the blocking member against an inner wall of the mounting groove.

Preferably, the fixing seat is provided with a limiting step, the limiting step is located at one end, far away from the inner wall of the mounting groove, of the blocking step, and the elastic part is connected between the limiting step and the blocking part.

Preferably, the limit step and the stop step intersect to form an included angle α facing the inner wall of the mounting groove.

Preferably, the fixing seat is circular, and the outer diameter of the fixing seat is smaller than or equal to the inner diameter of the mounting groove.

Preferably, the bearing is installed in the installation groove, is arranged concentrically with the installation groove, and is arranged on one side or two sides of the fixed seat.

Preferably, a flexible anti-skid pad is arranged on the blocking step, and a plurality of bulges are distributed on the circumference of the surface of the blocking piece.

In the initial stage of inversion, the blocking piece is only clamped between the inner wall of the mounting groove and the blocking step under the friction force of the inner wall of the mounting groove, the anti-skid pad is compressed, and meanwhile, the friction force with the blocking piece is correspondingly increased, so that the anti-skid pad cannot slide backwards until one part of the blocking piece is clamped into the clamping groove of the inner wall of the mounting groove, complete braking is realized, and the stability of the inversion mechanism is ensured.

The utility model has the advantages that: the utility model discloses a set up the draw-in groove on the inner wall of mounting groove for can't break away from in the draw-in groove owing to partly card income that stops after the certain angle of rotation of wheel, thereby will stop the piece card and die the inner wall of mounting groove and stop between the step, make the wheel can't continue to rotate, prevent to stop the inner wall of piece and mounting groove to take place to skid and lose and prevent reversing the function.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a sectional view of embodiment 1 of the present invention;

fig. 3 is a partially enlarged view of the fixing base in embodiment 2 of the present invention;

in the figure: 1-wheel, 11-clamping groove, 12-mounting groove, 2-wheel shaft, 3-fixing seat, 31-blocking step, 32-limiting step, 4-blocking piece, 41-bulge, 5-elastic piece, 6-bearing and 7-non-slip mat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example 1: as shown in fig. 1 and 2, the anti-reverse mechanism for the front wheel of the scooter comprises a wheel shaft 2 and a wheel 1, wherein the wheel 1 is rotatably installed on the wheel shaft 2 through a bearing 6, a circular installation groove 12 is formed in the center of the wheel 1, a fixed seat 3 which rotates relatively is arranged in the installation groove 12, and the fixed seat 3 is fixed on the wheel shaft 2. The fixing seat 3 is circular, and the outer diameter of the fixing seat 3 is smaller than or equal to the inner diameter of the mounting groove 12. The bearing 6 is installed in the mounting groove 12, the bearing 6 is concentrically arranged with the mounting groove 12, and the bearing 6 is arranged on one side or two sides of the fixing seat 3, in this embodiment, the bearing 6 is arranged on two sides of the fixing seat 3.

As shown in fig. 1, the fixing base 3 is formed with a notch, which has a stopping step 31 and a limiting step 32, the limiting step 32 intersects with the stopping step 31, and an included angle α is formed between the stopping step 32 and the stopping step 31 and faces to the inner wall of the mounting groove 12, wherein the included angle α is 45-120 °, and the included angle α is 90 ° in this embodiment.

The blocking step 31 is disposed between the wheel axle 2 and the inner wall of the mounting groove 12, and the plane in which the blocking step 31 is located is parallel to the axis of the wheel axle 2. The limit step 32 is located at one end of the blocking step 31 far away from the inner wall of the mounting groove 12. The vertical distance from the inner wall of the mounting groove 12 to the stopping step 31 is gradually reduced in one of the rotation directions (i.e., the reverse direction).

In the gap there is a blocking member 4, which blocking member 4 is a cylindrical pin, which is circular in cross-section and the centre line of the blocking member 4 is parallel to the axis of rotation of the wheel 1. The blocking member 4 is located between the blocking step 31 and the inner wall of the mounting groove 12, and is laterally movable on the blocking step 31. The maximum vertical distance from the inner wall of the installation groove 12 to the stopping step 31 is greater than or equal to the outer diameter of the stopping member 4.

The blocking step 31 is provided with an elastic member 5 for abutting the blocking member 4 against the inner wall of the mounting groove 12, the elastic member 5 is connected between the limiting step 32 and the blocking member 4, and the elastic member 5 is a spring.

The inner wall of the mounting groove 12 is provided with a clamping groove 11 for accommodating part of the blocking piece 4, when the wheel 1 is reversed, the upper end of the blocking piece 4 is clamped into the clamping groove 11, and the lower end is clamped on the blocking step 31, so that the wheel 1 cannot rotate continuously.

Example 2: as shown in fig. 3, a flexible non-slip mat 7 is arranged on the blocking step 31, the non-slip mat 7 is a rubber mat, the surface of the blocking step 31 is covered with the rubber mat, the blocking member 4 is located above the rubber mat, and a plurality of protrusions 41 are distributed on the circumference of the surface of the blocking member 4.

Claims

1. The utility model provides a scooter front wheel prevents reverse mechanism, includes shaft (2) and wheel (1), wheel (1) is rotated through bearing (6) and is installed on shaft (2), its characterized in that: the wheel is characterized in that a circular mounting groove (12) is formed in the center of the wheel (1), a fixing seat (3) capable of rotating relatively is arranged in the mounting groove (12), the fixing seat (3) is fixed on the wheel shaft (2), a blocking step (31) is arranged on the fixing seat (3), a blocking part (4) is arranged between the blocking step (31) and the inner wall of the mounting groove (12), the blocking part (4) is abutted between the inner wall of the blocking step (31) and the inner wall of the mounting groove (12), the vertical distance from the inner wall of the mounting groove (12) to the blocking step (31) is gradually reduced along one of the rotating directions, and a clamping groove (11) used for containing part of the blocking part (4) is formed in the inner wall of the mounting.

2. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the cross section of the blocking piece (4) is circular, and the center line of the blocking piece (4) is parallel to the rotation axis of the wheel (1).

3. The scooter front wheel anti-reverse mechanism according to claim 2, wherein: the maximum vertical distance from the inner wall of the mounting groove (12) to the blocking step (31) is greater than or equal to the outer diameter of the blocking piece (4).

4. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the blocking step (31) is arranged between the wheel shaft (2) and the inner wall of the mounting groove (12), and the plane where the blocking step (31) is located is parallel to the axis of the wheel shaft (2).

5. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the blocking step (31) is provided with an elastic member (5) for abutting the blocking member (4) against the inner wall of the mounting groove (12).

6. The scooter front wheel anti-rollback mechanism of claim 5, wherein: be provided with spacing step (32) on fixing base (3), spacing step (32) are located the one end of keeping away from mounting groove (12) inner wall that blocks step (31), elastic component (5) are connected between spacing step (32) and block piece (4).

7. The anti-reverse mechanism of the front wheel of the scooter as claimed in claim 6, wherein the limit step (32) and the stop step (31) intersect to form an included angle α towards the inner wall of the mounting groove (12).

8. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the fixing seat (3) is circular, and the outer diameter of the fixing seat (3) is smaller than or equal to the inner diameter of the mounting groove (12).

9. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the bearing (6) is arranged in the mounting groove (12), is concentrically arranged with the mounting groove (12), and is arranged on one side or two sides of the fixed seat (3).

10. The scooter front wheel anti-reverse mechanism according to claim 1, wherein: the anti-skid device is characterized in that a flexible anti-skid pad (7) is arranged on the blocking step (31), and a plurality of bulges (41) are distributed on the surface circumference of the blocking piece (4).