CN214248017U

CN214248017U - Special bearing for shared bicycle

Info

Publication number: CN214248017U
Application number: CN202022822896.5U
Authority: CN
Inventors: 吴永安
Original assignee: Cixi Gudemach Co ltd
Current assignee: Cixi Gudemach Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a bearing field specifically is a sharing bicycle special bearing. Sharing bicycle special bearing, including outer lane, inner circle, holder, ball and sealing washer, ball and holder swing joint are equipped with the ball groove on outer lane and the inner circle, and the ball is spacing between the ball groove of outer lane and inner circle, and the sealing washer setting is in the outer lane both sides, the outer lane edge is equipped with the seal groove, and the sealing washer is installed in the seal groove, and outer lane and inner circle flange coefficient are 0.35, and the outer lane and the interior ball groove camber that is equipped with of circle are 0.514. The utility model discloses an useful part: outer lane and inner circle inner wall are equipped with the ball groove that the camber is 0.514, ensure that the bearing corner is enough little, and ball and the cooperation of the abundant contact of ball inslot wall improve the compressive capacity of bearing, the utility model relates to a only set up the seal groove at outer lane inner wall edge, do not set up the seal groove at the inner circle inner wall, improve the firmness of inner circle, the flange coefficient of outer lane and inner circle is 0.35, increases the lasso wall thickness.

Description

Special bearing for shared bicycle

Technical Field

The utility model relates to a bearing field specifically is a sharing bicycle special bearing.

Background

The bearing is needed to be used on the shared bicycle, but the performance of the conventional bearing in the aspects of load bearing and pressure resistance cannot meet the requirements, the bearing cannot adapt to the frequent and severe use scenes of the shared bicycle, and the bearing is easy to wear and even damage in the frequent use of the shared bicycle.

Disclosure of Invention

In order to solve the technical problem that conventional bearing compressive capacity is not enough, the utility model provides a sharing bicycle special bearing.

The technical scheme of the utility model as follows:

sharing bicycle special bearing, including outer lane, inner circle, holder, ball and sealing washer, ball and holder swing joint are equipped with the ball groove on outer lane and the inner circle, and the ball is spacing between the ball groove of outer lane and inner circle, and the sealing washer setting is in the outer lane both sides, the outer lane edge is equipped with the seal groove, and the sealing washer is installed in the seal groove, and outer lane and inner circle flange coefficient are 0.35, and the outer lane and the interior ball groove camber that is equipped with of circle are 0.514.

The cross section of the sealing ring is integrally in a bow shape, an upper sealing ring is formed at the upper end of the sealing ring, and a lip sealing ring is formed at the lower end of the sealing ring.

The sealing ring is internally provided with a strengthening sheet which has elasticity.

The cross section of the reinforcing sheet is L-shaped.

The sealing ring wraps the reinforcing sheet, and the wrapping rings on two sides of the sealing ring are in contact with two ends of the reinforcing sheet.

The lower end face of the packing ring at the upper end of the sealing ring is a plane, and the packing ring at the lower end is obliquely arranged.

Use the technical scheme of the utility model, novel structure, design benefit, outer lane and inner circle inner wall are equipped with the ball groove that camber is 0.514, ensure that the bearing corner is enough little, and the ball chooses island steel ball in the japanese heaven and earthly branches for use, improve bearing ball's crushing load greatly to with the cooperation of the abundant contact of ball inslot wall, improve the compressive capacity of bearing, the utility model relates to a only set up the seal groove at outer lane inner wall edge, do not set up the seal groove at the inner circle inner wall, improve the firmness of inner circle, the flange coefficient of outer lane and inner circle is 0.35, increases the lasso wall thickness, improves the compressive capacity of bearing.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is an enlarged schematic view of a part of the structure of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples, which are only used for explaining the present invention and do not limit the scope of the present invention.

Examples

The bearing special for the shared bicycle shown in figures 1-3 comprises an outer ring 1, an inner ring 2, holders 3, balls 4 and a sealing ring 5, wherein the balls 4 are clamped between the two holders 3, the two holders 3 are divided into two holders with bent claws and two holders without bent claws, the two holders 3 are fixedly connected through the bent claws, the holders without bent claws are buckled by the holders with bent claws, the balls 4 are limited between the outer ring 1 and the inner ring 2, the sealing ring 5 is arranged on two sides of the outer ring 1, the edge of the outer ring 1 is provided with a sealing groove 6, the sealing ring 5 is arranged in the sealing groove 6, two ends of the sealing ring 5 are provided with sealing structures, the upper end of the sealing ring 5 is fixedly connected with the sealing groove 6 on the side of the outer ring 1, the lower end of the sealing ring 5 is movably connected with the inner wall of the inner ring 2, the cross section of the outer surface of the sealing ring 5 is in a bow shape, and the shape has certain elasticity and helps the sealing ring 5 to better seal with the outer ring 1 and the inner ring 2, the sealing ring 5 is internally provided with a reinforcing sheet 8, the reinforcing sheet 8 is made of metal materials, the overall strength of the sealing ring 5 can be improved, the reinforcing sheet 8 has elasticity, better support and elasticity can be brought to the sealing ring 5, the sealing ring 5 is helped to be better sealed with the inner ring 2 and the outer ring 1, the sealing ring 5 wraps the reinforcing sheet 8, wrapping rings 9 on two sides of the sealing ring 5 wrap the reinforcing sheet 8, wrapping rings 9 on two sides of the sealing ring 5 are contacted with two ends of the reinforcing sheet 8, the cross section of the reinforcing sheet 8 is L-shaped, the lower end of the wrapping ring 9 on the upper end of the sealing ring 5 is a plane, the wrapping ring 9 on the lower end is obliquely arranged, the reinforcing sheet 8 can be wrapped and fixed, the position of the retainer 3 can be avoided, the obliquely arranged wrapping ring 9 has a grease guiding function, and the oblique plane of the wrapping ring 9 guides grease to return to a bearing raceway when the bearing rotates, the bearing structure has the advantages that the bearing structure can keep good lubrication between the outer ring 1 and the inner ring 2 and the ball 4 in the bearing, the upper end of the sealing ring 5 forms the upper sealing ring 10, the lower end forms the lip sealing ring 11, the sealing performance of the sealing ring 5 is improved, the upper end and the lower end of the sealing ring 5 are connected with the sealing groove 6 and the inner wall of the inner ring 2 in an interference fit mode, the sealing performance between the edge of the sealing ring 5 and the edge of the sealing groove 6 and the inner wall of the inner ring 2 is guaranteed, the sealing ring 5 is guaranteed to separate and seal the inside of the bearing from the outside, external water is prevented, grease and foreign matters are prevented from permeating into the inside of the bearing, the grease of the bearing is enabled to deteriorate, the service life of the bearing is greatly shortened, the service durability of the bearing can be greatly improved, the material and labor cost for replacing the scrapped bearing is saved, the production efficiency is improved, and the economic benefit is improved.

The utility model relates to an outer lane 1 and 2 inner walls of inner circle are equipped with the ball groove 7 that the camber is unanimous, and the 7 curvatures in ball groove are 0.514, ensure that the bearing corner is enough little, and the island steel ball in the Japanese heaven tree is chooseed for use to ball 4, improve bearing ball 4's crushing load greatly to with the cooperation of the abundant contact of 7 inner walls in ball groove, improve the compressive capacity of bearing, the utility model relates to a set up seal groove 6 at 1 inner wall edges of outer lane, do not set up seal groove 6 at 2 inner walls of inner circle, improve the firmness of inner circle 2, the flange coefficient of 1 and inner circle 2 of outer lane is 0.35, increases the lasso wall thickness, improves the compressive capacity of bearing.

It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments without departing from the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.

Claims

1. Sharing bicycle special bearing, including outer lane (1), inner circle (2), holder (3), ball (4) and sealing washer (5), ball (4) and holder (3) swing joint are equipped with ball groove (7) on outer lane (1) and inner circle (2), and ball (4) are spacing between ball groove (7) of outer lane (1) and inner circle (2), and sealing washer (5) set up in outer lane (1) both sides, its characterized in that: the edge of the outer ring (1) is provided with a sealing groove (6), the sealing ring (5) is installed in the sealing groove (6), the flange coefficients of the outer ring (1) and the inner ring (2) are 0.35, and the curvatures of the ball grooves (7) on the outer ring (1) and the inner ring (2) are 0.514.

2. The shared bicycle specialized bearing of claim 1, wherein: the cross section of the sealing ring (5) is integrally in a bow shape, an upper sealing ring (10) is formed at the upper end of the sealing ring (5), and a lip sealing ring (11) is formed at the lower end of the sealing ring (5).

3. The shared bicycle specialized bearing of claim 1, wherein: the sealing ring (5) is internally provided with a strengthening sheet (8), and the strengthening sheet (8) has elasticity.

4. The shared bicycle specialized bearing of claim 3, wherein: the cross section of the reinforcing sheet (8) is L-shaped.

5. The shared bicycle specialized bearing of claim 3, wherein: the sealing ring (5) wraps the reinforcing sheet (8), and the wrapping rings (9) on two sides of the sealing ring (5) are in contact with two ends of the reinforcing sheet (8).

6. The shared bicycle specialized bearing of claim 5, wherein: the lower end surface of the packing ring (9) at the upper end of the sealing ring (5) is a plane, and the packing ring (9) at the lower end is obliquely arranged.