Bearing

Abstract

The utility model provides a bearing which comprises a retainer, a plurality of balls, an inner ring and an outer ring, the retainer is of an annular structure, and the retainer is provided with a notch; the plurality of balls are arranged on the retainer; the inner ring comprises a plurality of inner ring sections, and the plurality of inner ring sections are jointly enclosed to form the inner ring; the outer ring comprises a plurality of outer ring sections, the outer ring sections jointly define the outer ring, a containing space is formed between the outer ring and the inner ring, the retainer is located in the containing space, and due to the notch design of the retainer, the retainer can be moved out of the containing space after being twisted to be replaced.

Description

Technical Field

[0001] The present invention relates to a bearing, and in particular to a bearing that can be quickly installed and disassembled. Background Art

[0002] Bearings are components used to support rotating shafts. They are mainly used to reduce friction and bear the load of the rotating shaft. They are widely used in bicycles, cars, airplanes, washing machines, vacuum cleaners, etc., and are important parts for maintaining the stable operation of mechanical equipment.

[0003] Taking bicycles as an example, the bearings on bicycles include head bowl bearings, frame bearings, pedal bearings and transmission bearings, etc., and the structure of a general bearing includes an outer ring, an inner ring, a retaining frame and a plurality of balls. The outer ring and the inner ring fit together and there is a accommodating space between the outer ring and the inner ring. The retaining frame is used to fix the plurality of balls. The retaining frame and the plurality of balls are arranged in the accommodating space so that the plurality of balls can roll between the outer ring and the inner ring, thereby reducing the friction on the bearing surface.

[0004] However, after the bearing is installed, if there is a need to replace it, other components need to be removed before the bearing is replaced. Taking the head cup bearing as an example, if the head cup bearing is to be replaced, the entire handlebar assembly needs to be removed from the steering tube before the old bearing can be replaced. After replacing the new bearing, the handlebar assembly needs to be reinstalled. This is time-consuming and inconvenient in removal and installation. Utility Model Content

[0005] The technical problem to be solved by the present application is to provide a bearing which can achieve the purpose of rapid replacement and installation through the structural design of the bearing.

[0006] In order to achieve the above-mentioned purpose, the present application provides a bearing, comprising a retainer, a plurality of balls, an inner ring and an outer ring. The retainer is an annular structure, and the retainer has a notch; the plurality of balls are arranged on the retainer; the inner ring comprises a plurality of inner ring segments, and the plurality of inner ring segments are arranged together to form the inner ring; the outer ring comprises a plurality of outer ring segments, and the plurality of outer ring segments are arranged together to form the outer ring, and there is a receiving space between the outer ring and the inner ring, and the retainer is located in the receiving space.

[0007] In one embodiment, the bearing includes a bearing bowl, the bearing bowl includes an inner bearing bowl and an outer bearing bowl, and the inner ring and the outer ring are disposed in a containing space between the inner bearing bowl and the outer bearing bowl.

[0008] In one embodiment, the inner wall of the inner bearing bowl abuts against the outer surface of the inner ring, and the inner wall of the outer bearing bowl abuts against the outer surface of the outer ring.

[0009] In one embodiment, the inner bearing bowl has a recess formed by being recessed from the inner peripheral wall of the inner bearing bowl.

[0010] In one embodiment, the inner bearing bowl is integrally formed.

[0011] In one embodiment, the outer bearing bowl is integrally formed.

[0012] In one embodiment, a side of the inner ring facing the accommodating space has an inner ring-shaped sliding groove in contact with the plurality of balls.

[0013] In one embodiment, a side of the outer ring facing the accommodating space has an outer ring-shaped sliding groove in contact with the plurality of balls.

[0014] In one embodiment, the number of the plurality of inner ring segments is two, and each of the inner ring segments is semicircular.

[0015] In one embodiment, the number of the plurality of outer ring segments is two, and each of the outer ring segments is semicircular.

[0016] The effect of the present application is that, through the design of the retainer having the cutout, when the retainer needs to be replaced due to wear, scratches or damage, the retainer only needs to be twisted to enlarge the gap between the two ends of the cutout of the retainer so that it can be removed from the front fork tube of the bicycle, and the user can replace the retainer without first removing the handlebar assembly.

[0017] The details of other effects and embodiments of the present application are described below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A three-dimensional diagram of a bearing according to a preferred embodiment of the present application;

[0020] Figure 2 An exploded view of the bearing of the above preferred embodiment;

[0021] Figure 3 A side view of the bearing of the above preferred embodiment;

[0022] Figure 4 for Figure 3 4-4 direction cross-sectional view;

[0023] Figure 5 A top view of the bearing of the above preferred embodiment;

[0024] Figure 6 for Figure 5 A cross-sectional view in the direction of 6-6;

[0025] Figure 7 for Figure 6 A partial enlarged view of part marked A.

[0026] Explanation of symbols

[0027] 100: Bearing 10: Retainer

[0028] 12: incision 14: micropyle

[0029] 20: Ball 30: Inner ring

[0030] 32: Inner annular chute 34: Inner ring segment

[0031] 40: Outer ring 42: Outer ring slide

[0032] 44: Outer ring segment 50: Bearing bowl

[0033] 52: Inner bearing bowl 522: Shaft hole

[0034] 524: Pocket 54: Outer bearing bowl

[0035] S: Accommodation space R: Accommodation space DETAILED DESCRIPTION

[0036] The positional relationships described in the following embodiments include: up, down, left and right. Unless otherwise specified, they are all based on the directions in which the components are drawn in the drawings.

[0037] Please refer to Figures 1 to 7 As shown, a bearing 100 according to a preferred embodiment of the present application includes a retainer 10 , a plurality of balls 20 , an inner ring 30 , an outer ring 40 and a bearing bowl 50 .

[0038] like Figure 4 As shown, the retainer 10 is an annular structure, and the retainer 10 has a cutout 12 and a plurality of bead holes 14. There is a gap between the two ends of the cutout 12, and the plurality of bead holes 14 are arranged at intervals. The plurality of balls 20 are respectively arranged on the plurality of bead holes 14 of the retainer 10, and the plurality of balls 20 can roll in the plurality of bead holes 14.

[0039] like Figure 4 As shown, the inner ring 30 and the outer ring 40 are both annular structures, and as shown in Figure 7As shown, there is an accommodating space S between the inner ring 30 and the outer ring 40, and the retainer 10 is located in the accommodating space S; the inner ring 30 has an inner annular groove 32 on the side facing the accommodating space S, and the surface of the inner annular groove 32 is arc-shaped and has a contour that matches the multiple balls 20; the outer ring 40 has an outer annular groove 42 on the side facing the accommodating space S, and the surface of the outer annular groove 42 is arc-shaped and has a contour that matches the multiple balls 20. In this way, the inner annular groove 32 and the outer annular groove 42 cooperate to form an annular groove having a contour that matches the multiple balls 20, and the multiple balls 20 are in contact with the inner annular groove 32 and the outer annular groove 42 and can move smoothly relative to each other.

[0040] Please cooperate again Figure 4 The inner ring 30 includes a plurality of inner ring segments 34, which are arranged together to form the inner ring 30. In this embodiment, the number of the plurality of inner ring segments 34 is two, each inner ring segment 34 is semicircular, and the two inner ring segments 34 are combined to form a ring structure (such as Figure 2 As shown in the figure, when one of the inner ring segments 34 needs to be replaced, only one of the inner ring segments 34 needs to be replaced, and there is no need to replace the entire inner ring 30; in other embodiments, the number of the inner ring segments can also be more than two, for example, the number of the inner ring segments is three, and the multiple inner ring segments can also achieve the purpose of jointly surrounding the inner ring and facilitating replacement.

[0041] Please continue to cooperate Figure 4 The outer ring 40 includes a plurality of outer ring segments 44, which are arranged together to form the outer ring 40. In this embodiment, the number of the plurality of outer ring segments 44 is two, each outer ring segment 44 is semicircular, and the two outer ring segments 44 are combined to form a ring structure (such as Figure 2 As shown in the figure, when one of the outer ring segments 44 needs to be replaced, only one of the outer ring segments 44 needs to be replaced, and the entire outer ring 40 does not need to be replaced; in other embodiments, the number of the outer ring segments can also be more than two, for example, the number of the outer ring segments is three, and the multiple outer ring segments are jointly arranged to form the outer ring. It is worth mentioning that the aforementioned inner ring segments 34 and outer ring segments 44 can also be selected in different numbers according to needs, for example, three inner ring segments are jointly arranged to form the inner ring, and four outer ring segments are jointly arranged to form the outer ring.

[0042] Please cooperate Figure 7The bearing bowl 50 includes an inner bearing bowl 52 and an outer bearing bowl 54, and a containing space R is defined between the inner bearing bowl 52 and the outer bearing bowl 54, and the inner ring 30 and the outer ring 40 are disposed in the containing space R; in the present embodiment, the inner bearing bowl 52 has an axial hole 522 and a recess 524, and the axial hole 522 penetrates the inner bearing bowl 52 for the front fork tube of the bicycle to pass through; the recess 524 is formed by being recessed from the inner peripheral wall of the inner bearing bowl 52 and is connected to the axial hole 522, and when the front fork tube of the bicycle is passed through the axial hole 522, the recess 524 can allow the wire of the bicycle to pass through, thereby improving the aesthetics and reducing the cracking phenomenon caused by the exposure of the wire, thereby extending the service life of the wire.

[0043] It is further explained that the inner bearing bowl 52 is an integrally formed component, the inner wall of the inner bearing bowl 52 abuts against the outer surface of the inner ring 30, and the inner bearing bowl 52 and the inner ring 30 are engaged with each other; the outer bearing bowl 54 is an integrally formed component, the inner wall of the outer bearing bowl 54 abuts against the outer surface of the outer ring 40, and the outer bearing bowl 54 and the outer ring 40 are engaged with each other. When the inner bearing bowl 52 and the outer bearing bowl 54 are relatively separated, the inner ring 30 and the outer ring 40 can be relatively separated with the inner bearing bowl 52 and the outer bearing bowl 54, that is, the inner ring 30 and the outer ring 40 can be firmly positioned in the inner bearing bowl 52 and the outer bearing bowl 54, respectively, and will not be easily separated. In this way, it can be avoided that when the bearing 100 is disassembled, the inner ring 30 or the outer ring 40 is displaced or misaligned, causing the inner ring 30, the outer ring 40 or the plurality of balls 20 to rotate unsmoothly.

[0044] In summary, the effect of the present application is that, through the design of the retainer 10 with the cutout 12, when the bearing 100 or the retainer 10 needs to be replaced or inspected, the user can first separate the inner bearing bowl 52 and the outer bearing bowl 54 relatively and hold them on the front fork tube of the bicycle, disassemble and remove the inner ring 30, and twist the retainer 10 to increase the gap between the two ends of the cutout 12 of the retainer 10 so that the cutout 12 can pass through the front fork tube and move out from the front fork tube, and finally disassemble the outer ring 40. In this way, the user can replace the bearing 100 or the retainer 10 without removing the handlebar assembly, thereby achieving the purpose of quickly replacing the bearing 100 or the retainer 10.

[0045] The embodiments and / or implementation methods described above are only used to illustrate the preferred embodiments and / or implementation methods for realizing the technology of the present application, and are not intended to limit the implementation methods of the technology of the present application in any form. Any technical personnel in this field may make slight changes or modifications to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present application, but they should still be regarded as technologies or embodiments that are essentially the same as the present application.

Claims

1. A bearing, characterized in that: The bearing comprises: A retainer is an annular structure and has a cutout; A plurality of balls are disposed on the retainer; An inner ring, comprising a plurality of inner ring segments, the plurality of inner ring segments are collectively arranged to form the inner ring; and An outer ring includes a plurality of outer ring segments, which are jointly arranged to form the outer ring. A receiving space is provided between the outer ring and the inner ring, and the retainer is located in the receiving space.

2. The bearing according to claim 1, characterized in that: The invention further comprises a bearing bowl, which comprises an inner bearing bowl and an outer bearing bowl. The inner ring and the outer ring are arranged in the accommodation space between the inner bearing bowl and the outer bearing bowl.

3. The bearing according to claim 2, characterized in that: The inner wall of the inner bearing bowl abuts against the outer surface of the inner ring, and the inner wall of the outer bearing bowl abuts against the outer surface of the outer ring.

4. The bearing according to claim 2, characterized in that: The inner bearing bowl has a recessed cavity formed from the inner peripheral wall of the inner bearing bowl.

5. The bearing according to claim 2, characterized in that: The inner bearing bowl is formed in one piece.

6. The bearing according to claim 2, characterized in that: The outer bearing bowl is formed in one piece.

7. The bearing according to claim 1, characterized in that The inner ring has an inner ring-shaped sliding groove on one side facing the accommodating space and in contact with the plurality of balls.

8. The bearing according to claim 1, characterized in that: The side of the outer ring facing the accommodating space is provided with an outer ring-shaped sliding groove in contact with the plurality of balls.

9. The bearing according to claim 1, characterized in that: The number of the plurality of inner ring segments is two, and each of the inner ring segments is semicircular.

10. The bearing according to claim 1, characterized in that The number of the plurality of outer ring segments is two, and each of the outer ring segments is semicircular.

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