CN215370628U

CN215370628U - Wear-resistant ball of bicycle bearing

Info

Publication number: CN215370628U
Application number: CN202120692578.3U
Authority: CN
Inventors: 谭端军
Original assignee: Ningbo Xinglun Machinery Co ltd
Current assignee: Ningbo Xinglun Machinery Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-31
Anticipated expiration: 2031-04-06

Abstract

The utility model relates to the technical field of bicycle bearings, and particularly discloses a wear-resistant ball of a bicycle bearing, which comprises a ball shell, wherein a central shaft penetrates through the center of the ball shell, a rotating groove is formed in the center of the central shaft, a rotating ring is attached to the inner wall of the rotating groove, a supporting rod is fixedly connected to the surface of the rotating ring, a supporting ring is fixedly connected to one end, away from the rotating ring, of the supporting rod, and the surface of the supporting ring is attached to the inner wall of the ball shell; the utility model can support the spherical shell by the support ring through the joint of the support ring and the spherical shell in the device and the design of the support rod and the support plate, and the central shaft in the device can fix the direction of the ball, thereby achieving the effect of better installation.

Description

Wear-resistant ball of bicycle bearing

Technical Field

The utility model relates to the technical field of bicycle bearings, in particular to a wear-resistant ball of a bicycle bearing.

Background

The ball is a rolling part used for reducing the friction coefficient in the bearing, the wear of the ball is serious when the bearing is used for a long time, some balls can be broken under the condition of high pressure, when the ball is broken, the effect of reducing the friction coefficient of an inner ring and an outer ring of the bearing cannot be achieved, the friction coefficient is increased in a reverse mode, the friction coefficient of the inner ring and the outer ring of the bearing is suddenly changed, and the machine is easily suddenly stopped, so that the wear-resistant ball of the bicycle bearing is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a wear-resistant ball of a bicycle bearing, which has the advantage of avoiding the breakage of the ball and solves the problem that the existing ball is too high in rigidity and easy to break.

The wear-resistant ball of the bicycle bearing comprises a ball shell, wherein a central shaft penetrates through the center of the ball shell, a rotating groove is formed in the center of the central shaft, a rotating ring is attached to the inner wall of the rotating groove, a supporting rod is fixedly connected to the surface of the rotating ring, a supporting ring is fixedly connected to one end, away from the rotating ring, of the supporting rod, the surface of the supporting ring is attached to the inner wall of the ball shell, the supporting ring in the device is attached to the ball shell, the supporting rod and the supporting plate are matched, so that the supporting ring can support the ball shell, the central shaft in the device can fix the direction of the ball, the better installation effect is achieved, and the space formed by the supporting plate in the device is matched with liquid in the device, so that the effect of accelerating the rolling speed of the ball shell when the ball rolls is achieved, and the effect of reducing the temperature of the bearing is achieved.

The wear-resistant ball of the bicycle bearing is characterized in that the number of the support rods is four, and the four support rods are uniformly distributed on the surface of the rotating ring, so that the support of the support ring is more balanced.

According to the wear-resistant ball of the bicycle bearing, the supporting plates are fixedly connected to the upper surface and the lower surface of the supporting rod, and one end, far away from the supporting rod, of each supporting plate is fixedly connected with the inner wall of the corresponding supporting ring.

According to the wear-resistant ball of the bicycle bearing, the number of the support plates is two, the inner sides of the two support plates are welded with each other, the two support plates are provided with the cavities, and liquid is arranged in the cavities, so that the effect of accelerating the rolling of the device is achieved.

According to the wear-resistant ball of the bicycle bearing, the top end of the central shaft is provided with the liquid inlet hole, the liquid inlet hole is communicated with the rotating groove, the surface of the rotating ring is provided with the through hole matched with the liquid inlet hole, and the sealing block is welded on the inner wall of the liquid inlet hole close to the top end of the central shaft, so that the effect of conveniently injecting liquid into the device is achieved.

According to the wear-resistant ball of the bicycle bearing, the surface of the supporting rod is provided with the liquid guide hole, the liquid guide hole is communicated with the liquid inlet hole through the through hole in the rotating ring, and the liquid guide hole is communicated with the cavity formed by the supporting plate.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can support the spherical shell by the support ring through the joint of the support ring and the spherical shell in the device and the design of the support rod and the support plate, and the central shaft in the device can fix the direction of the ball, thereby achieving the effect of better installation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic perspective view of the present invention.

In the figure: 1. a spherical shell; 2. a central shaft; 3. a rotating ring; 4. a support bar; 5. a drain hole; 6. a support plate; 7. a liquid inlet hole; 8. a sealing block; 9. a support ring.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the utility model. It should be understood, however, that these physical details should not be construed as limiting the utility model. That is, in some embodiments of the utility model, such physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the wear-resistant ball for a bicycle bearing of the present invention comprises a ball housing 1, a central shaft 2 penetrates through the center of the ball housing 1, a rotation slot is formed in the center of the central shaft 2, a rotation ring 3 is attached to the inner wall of the rotation slot, a support rod 4 is fixedly connected to the surface of the rotation ring 3, a support ring 9 is fixedly connected to one end of the support rod 4 away from the rotation ring 3, the surface of the support ring 9 is attached to the inner wall of the ball housing 1, the support ring 9 is attached to the ball housing 1 in the device, the support rod 4 and the support plate 6 are designed, so that the support ring 9 can support the ball housing 1, the central shaft 2 in the device can fix the direction of the ball, thereby achieving a better installation effect, and the space formed by the support plate 6 in the device, in cooperation with the liquid inside, achieves an effect of accelerating the rolling speed of the ball housing 1 when the ball rolls, and can play a role in reducing the temperature of the bearing.

The number of the supporting rods 4 is four, and the four supporting rods 4 are uniformly distributed on the surface of the rotating ring 3, so that the supporting ring 9 is more balanced in supporting.

The upper surface and the lower surface of the supporting rod 4 are fixedly connected with a supporting plate 6, and one end of the supporting plate 6, far away from the supporting rod 4, is fixedly connected with the inner wall of the supporting ring 9.

The number of the supporting plates 6 is two, the inner sides of the two supporting plates 6 are welded with each other, a cavity is formed in the two supporting plates 6, and liquid is arranged in the cavity, so that the effect of accelerating the rolling of the device is achieved.

Feed liquor hole 7 has been seted up on the top of center pin 2, and feed liquor hole 7 is linked together with the swivelling chute, and the through-hole with 7 looks adaptations of feed liquor hole is seted up on rotatory ring 3's surface, and the inner wall welding that feed liquor hole 7 is close to 2 tops of center pin has sealed piece 8, has played the effect of being convenient for toward the device injected liquid.

The surface of the support rod 4 is provided with a liquid guide hole 5, the liquid guide hole 5 is communicated with the liquid inlet hole 7 through a through hole on the rotating ring 3, and the liquid guide hole 5 is communicated with a cavity formed by the support plate 6.

When the device is used, the ball is required to be placed in a fixed direction at first, then the ball can roll between the inner ring and the outer ring of the bearing, if the ball is subjected to external pressure, the ball shell 1 of the ball can transmit the pressure to the support ring 9, the ball shell 1 is prevented from being broken through the deformation of the support ring 9, the situation that the friction coefficient of the bearing is suddenly changed due to the fact that the device is broken by itself due to overlarge pressure is avoided, and liquid in the device rotates along with the rolling process, so that the rotating speed of the device is accelerated, and the friction coefficient of the inner ring and the friction coefficient of the outer ring of the bearing are further reduced.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A wear-resistant ball of a bicycle bearing, comprising a spherical shell (1), characterized in that: the improved spherical shell is characterized in that a central shaft (2) penetrates through the center of the spherical shell (1), a rotating groove is formed in the center of the central shaft (2), a rotating ring (3) is attached to the inner wall of the rotating groove, a supporting rod (4) is fixedly connected to the surface of the rotating ring (3), a supporting ring (9) is fixedly connected to one end, far away from the rotating ring (3), of the supporting rod (4), and the surface of the supporting ring (9) is attached to the inner wall of the spherical shell (1).

2. A wear resistant ball for a bicycle bearing as set forth in claim 1, wherein: the number of the supporting rods (4) is four, and the four supporting rods (4) are uniformly distributed on the surface of the rotating ring (3).

3. A wear resistant ball for a bicycle bearing as set forth in claim 1, wherein: the upper surface and the lower surface of the supporting rod (4) are fixedly connected with supporting plates (6), and one end, far away from the supporting rod (4), of each supporting plate (6) is fixedly connected with the inner wall of the supporting ring (9).

4. A wear resistant ball for a bicycle bearing as set forth in claim 3, wherein: the quantity of backup pad (6) is two and the inboard mutual welding of two backup pad (6), and two backup pads (6) are formed with the cavity and the inside of this cavity is equipped with liquid.

5. A wear resistant ball for a bicycle bearing as set forth in claim 1, wherein: the liquid inlet structure is characterized in that a liquid inlet hole (7) is formed in the top end of the central shaft (2), the liquid inlet hole (7) is communicated with the rotary groove, a through hole matched with the liquid inlet hole (7) is formed in the surface of the rotary ring (3), and a sealing block (8) is welded on the inner wall, close to the top end of the central shaft (2), of the liquid inlet hole (7).

6. A wear resistant ball for a bicycle bearing as set forth in claim 1, wherein: the surface of the supporting rod (4) is provided with a liquid guide hole (5), the liquid guide hole (5) is communicated with a liquid inlet hole (7) through a through hole in the rotating ring (3), and the liquid guide hole (5) is communicated with a cavity formed by the supporting plate (6).