CN107269685B

CN107269685B - Bearing and rotating structure

Info

Publication number: CN107269685B
Application number: CN201710664124.3A
Authority: CN
Inventors: 程正才; 张怡佳; 张宏煊
Original assignee: Kunshan Chaoyang Bearing Electromechanical Co ltd
Current assignee: Kunshan Chaoyang Bearing Electromechanical Co ltd
Priority date: 2017-08-01
Filing date: 2017-08-01
Publication date: 2023-06-13
Anticipated expiration: 2037-08-01
Also published as: CN107269685A

Abstract

The invention provides a bearing and a rotating structure, which belong to the field of mechanical equipment, wherein the bearing comprises an outer ring, an inner ring, rolling bodies, a retainer and a positioning piece, the outer ring and the inner ring are arranged at intervals, the rolling bodies are positioned between the outer ring and the inner ring, the retainer is arranged between the outer ring and the inner ring, the rolling bodies are clamped on the retainer, the rolling bodies form a whole through the retainer and the outer ring and the inner ring, the positioning piece protrudes out of the inner ring along the axial line direction of the inner ring, the positioning piece takes the shape of a ring along the circumferential direction of the inner ring, and the positioning piece forms a positioning hole; the rotating structure comprises a bearing as above. The bearing provided by the invention is provided with the positioning piece on the inner ring, the outer ring or the inner ring and the outer ring, when in use, the positioning piece can assist in mounting the liner tube, so that the liner tube is prevented from deviating from the axis, the structure is simple, the mounting is convenient, the labor and material cost can be saved, and the quality of products is greatly improved.

Description

Bearing and rotating structure

Technical Field

The invention relates to the field of mechanical equipment, in particular to a bearing and a rotating structure.

Background

In a shoulderless mating or multi-bearing application, a liner is used to carry axial forces (e.g., front wheels of electric vehicles, motorcycles) for initial centering or to prevent severe off-center of the intermediate liner, often with one or more rubber bands over the outside diameter of the liner.

The inventors found in the study that existing conventional bearings suffer from at least the following disadvantages: when the conventional bearing is used in a shoulderless pairing or multi-bearing occasion, the liner tube is used for bearing axial force (such as front wheels of electric vehicles and motorcycles) for initial centering or preventing the intermediate liner tube from being seriously deviated from the center, and one or more rubber rings are often sleeved on the outer diameter of the liner tube. The central line of the liner tube is basically consistent with the central lines of the inner rings of the two bearings, the bearing is guaranteed to fully bear the axial force, and the bearing is prevented from being injured due to uneven bearing, but the initial positioning device is required to be added, so that the liner tube is complex in installation, difficult in installation and multipurpose in manpower and material.

Disclosure of Invention

The invention aims to provide a bearing which uses a liner tube to bear axial force (such as front wheels of electric vehicles and motorcycles) for initial centering or preventing a middle liner tube from deviating from the center seriously when being used in the occasion of shaft shoulder pairing or multi-bearing use, and the bearing can be used without sleeving one or more rubber rings on the outer diameter of the liner tube, namely, directly using one or more liner tubes; the central line of the liner tube is basically consistent with the central lines of the inner rings of the two bearings.

The invention also aims to provide a rotating structure so as to solve the problems that the prior bearing can work better only by arranging an auxiliary room when in use, and the installation is complicated and difficult.

The invention is realized in the following way:

based on the first object, the invention provides a bearing, which comprises an outer ring, an inner ring, rolling bodies, a retainer and a positioning piece, wherein the outer ring and the inner ring are arranged at intervals, the rolling bodies are positioned between the outer ring and the inner ring, the retainer is arranged between the outer ring and the inner ring, the rolling bodies are clamped with the retainer, the positioning piece protrudes out of the inner ring along the axial line direction of the inner ring, the positioning piece is in an annular shape along the circumferential direction of the inner ring, and the positioning piece forms a positioning hole.

The bearing provided by the invention is provided with the positioning piece on the inner ring, the outer ring or the inner ring and the outer ring, when in use, the positioning piece can assist in mounting the liner tube, so that the liner tube is prevented from deviating from the axis, the structure is simple, the mounting is convenient, the labor and material cost can be saved, and the quality of products is greatly improved.

Further, the bearing further comprises a dust cover, the dust cover is mounted on the outer ring, the dust cover is rotatably connected with the inner ring, the retainer is arranged at intervals with the dust cover, the positioning piece is connected with the dust cover, and the positioning piece is connected with the inner ring through the dust cover.

Dust can be prevented from entering the bearing by the dust cover, so that normal operation of the bearing is guaranteed, and the locating piece is arranged on the dust cover, so that the influence of the locating piece on the dust cover during rotation of the bearing can be avoided.

Further, the locating piece includes connecting block and locating piece, the connecting block with the shield is connected, the connecting block is followed the axial lead direction of inner circle extends, the locating piece is located the connecting block is kept away from the one end of shield, the locating piece is followed the radial inwards extension of inner circle, the locating piece forms the locating hole.

The connecting block and the positioning block are vertically arranged, the connecting block protrudes along the axial lead direction of the inner ring, the influence on the work of the bearing is avoided, the positioning block protrudes along the radial direction of the inner ring, and the positions of the liner tube and other structures are assisted.

Further, the dust cover is clamped to the outer ring, and the connecting block is connected with one side, away from the outer ring, of the dust cover.

Therefore, when the liner tube is installed, the liner tube directly abuts against the inner ring after passing through the positioning block, and the liner tube is prevented from being contacted with the dust cover.

Further, the dust cover and the positioning piece are manufactured by adopting an integral molding process.

Therefore, the manufacturing is more convenient, the structural strength is higher, and the labor and the production cost can be saved.

Further, the inner layer of the inner ring forms a mounting hole, and the diameter of the positioning hole is larger than that of the mounting hole.

Thus, the liner tube can be conveniently installed.

Further, the locating pieces are arranged in two groups, and the two groups of locating pieces are respectively arranged on two sides of the inner ring.

Sometimes when the lining pipe is longer, a plurality of bearings can be arranged, and positioning pieces are arranged on two sides of the bearing in the middle, so that the lining pipe is more convenient to use.

Based on the second object described above, the present invention also provides a rotating structure comprising a bearing as described above.

The rotating structure further comprises the bearing, and when the rotating structure is used, the positioning piece can assist in installing the liner tube, the structure is simple, the installation is convenient, the labor and material cost can be saved, and the quality of products is greatly improved.

Further, the rotating structure further comprises a liner tube, the liner tube is clamped to the positioning piece, and the liner tube is located in the positioning hole.

Further, the number of the bearings is two, the two bearings are respectively arranged at two ends of the liner tube, the two bearings are symmetrically arranged, and the positioning piece faces the other bearing.

The two bearings are respectively arranged at the two ends, the two positioning pieces are oppositely arranged, and the positioning pieces are used for positioning and fixing the liner tube.

Compared with the prior art, the invention has the beneficial effects that:

the bearing provided by the invention is provided with the locating piece on the inner ring, the outer ring or the inner ring and the outer ring, and when in use, the locating piece can assist in installing the liner tube, the structure is simple, the installation is convenient, the labor and material cost can be saved, and the quality of the product is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the practical drawings required in the embodiments or the prior art, and it is obvious that the drawings described below are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a bearing according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of a positioning member according to embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view of a positioning member according to embodiment 1 of the present invention;

FIG. 4 is a schematic view of a bearing according to embodiment 2 of the present invention;

fig. 5 is a schematic view showing a first rotary structure provided in embodiment 3 of the present invention;

fig. 6 is a schematic view showing a second rotary structure provided in embodiment 3 of the present invention.

In the figure: 101-an outer ring; 102-an inner ring; 103-rolling elements; 104-a retainer; 105-dust cap; 106-positioning piece; 107-positioning holes; 108-mounting holes; 109-connecting blocks; 110-positioning blocks; 111-bearings; 112-liner.

Detailed Description

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient during its movement and ensure its rotation accuracy, which should be supported by the action of which is explained literally for bearing the shaft, but this is only a part of its action, supporting its essence is to be able to bear radial loads. It is also understood that it is intended to fix a shaft. The inventors found in the study that the existing bearings have at least the following disadvantages: when the existing bearing is used, an auxiliary room is required to be arranged for better work, the installation is complex, and the installation is difficult.

In order to improve the above problems, the present invention provides a bearing, which comprises an outer ring, an inner ring, rolling elements and a positioning member, wherein the outer ring and the inner ring are arranged at intervals, the rolling elements are positioned between the outer ring and the inner ring, the positioning member is mounted on the inner ring, the outer ring or the inner ring and the outer ring, the positioning member protrudes out of the inner ring along the axial line direction of the inner ring, the positioning member is in a ring shape along the circumferential direction of the inner ring, and the positioning member forms a positioning hole.

The bearing provided by the invention is provided with the locating piece on the inner ring, the outer ring or the inner ring and the outer ring, and when in use, the locating piece can assist in installing the liner tube, so that the liner tube is prevented from being too loose, the structure is simple, the installation is convenient, the labor and material cost can be saved, and the quality of a product is greatly improved.

The invention also provides a rotating structure comprising the bearing.

The rotating structure further comprises the bearing, when the bearing is used, the positioning piece can assist in mounting the liner tube, so that over-loosening is prevented, the structure is simple, the mounting is convenient, the labor and material cost can be saved, and the quality of a product is greatly improved.

The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention are clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or integral; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a bearing 111, which includes an outer ring 101, an inner ring 102, rolling elements 103, a cage 104 and a positioning member 106, wherein the outer ring 101 and the inner ring 102 are arranged at intervals, the rolling elements 103 are located between the outer ring 101 and the inner ring 102, the cage 104 is mounted between the outer ring 101 and the inner ring 102, the rolling elements 103 are clamped to the cage 104, the rolling elements 103 are integrated with the outer ring 101 and the inner ring 102 through the cage 104, the positioning member 106 protrudes out of the inner ring 102 along the axial line direction of the inner ring 102, the positioning member 106 is annular along the circumferential direction of the inner ring 102, and the positioning member 106 forms a positioning hole 107.

The bearing 111 provided in this embodiment sets up the setting element 106 on inner race 102, outer lane 101 or inner and outer races, and when using, the setting element 106 can fix a position and fix bushing 112, plays the auxiliary role, prevents to loosen excessively, and can prevent bushing pipe skew axle center, simple structure, and simple to operate can save manual work and material cost, has the promotion by a wide margin to the quality of product.

Wherein the outer ring 101 and the inner ring 102 should be coaxially arranged.

The bearing 111 further comprises a dust cover 105, the dust cover 105 is mounted on the outer ring 101, the dust cover 105 is rotatably connected with the inner ring 102, the retainer 104 is arranged at intervals with the dust cover 105, the positioning piece 106 is connected with the dust cover 105, and the positioning piece 106 is connected with the inner ring 102 through the dust cover 105. The retainer 104 can position the rolling bodies 103, so that the bearing 111 moves more smoothly, dust can be prevented from entering the bearing 111 by the dust cover 105, normal operation of the bearing 111 is guaranteed, and the influence of the positioning piece 106 on the dust cover 105 during rotation of the bearing 111 can be avoided by installing the positioning piece 106 on the dust cover 105.

The positioning piece 106 comprises a connecting block 109 and a positioning block 110, the connecting block 109 is connected with the dust cover 105, the connecting block 109 extends along the axial line direction of the inner ring 102, the positioning block 110 is positioned at one end of the connecting block 109 far away from the dust cover 105, the positioning block 110 extends inwards along the radial direction of the inner ring 102, and the positioning block 110 forms a positioning hole 107. The connecting block 109 and the positioning block 110 are vertically arranged, the connecting block 109 protrudes along the axial line direction of the inner ring 102, the influence on the work of the bearing 111 is avoided, the positioning block 110 protrudes along the radial direction of the inner ring 102, and the liner 112 and other structures are positioned.

The dust cover 105 is clamped to the outer ring 101, and the connection block 109 is connected to a side of the dust cover 105 away from the outer ring 101. Thus, when the liner 112 is installed, the liner 112 directly abuts against the inner ring 102 after passing through the positioning block 110, so that the liner 112 is prevented from contacting the dust cover 105.

The dust cap 105 and the positioning member 106 are manufactured by an integral molding process. Therefore, the manufacturing is more convenient, the structural strength is higher, and the labor and the production cost can be saved.

The inner layer of the inner race 102 forms a mounting hole 108, and the diameter of the positioning hole 107 is larger than the mounting hole 108. This may facilitate installation of the liner 112.

Example 2

Referring to fig. 4, this embodiment also provides a bearing 111, which is a further improvement on the technical solution of embodiment 1, and the technical solution described in embodiment 1 is also applicable to this embodiment, and the disclosed technical solution of embodiment 1 is not repeated.

Specifically, the present embodiment differs from embodiment 1 in that the positioning members 106 of the bearing 111 provided in the present embodiment are provided in two groups, and the two groups of positioning members 106 are fitted on both sides of the inner ring 102.

Sometimes when the liner tube 112 is longer, a plurality of bearings 111 can be arranged, and the positioning pieces 106 are arranged on two sides of the bearing 111 in the middle, so that the use is more convenient.

Example 3

Referring to fig. 5 and 6, the present embodiment provides a rotating structure including the bearing 111 as above.

The rotating structure that this embodiment still provides includes bearing 111 as above, and when using, setting element 106 can assist the installation to bushing pipe 112, prevents too loose, simple structure, and simple to operate can save manual work and material cost, has the promotion by a wide margin to the quality of product.

The rotating structure further comprises a liner 112, the liner 112 is clamped to the positioning piece 106, and the liner 112 is located in the positioning hole 107.

The two bearings 111 are arranged, the two bearings 111 are respectively arranged at two ends of the liner tube 112, the two bearings 111 are symmetrically arranged, and the positioning piece 106 is arranged towards the other bearing 111. Two bearings 111 are respectively installed at both ends, and two positioning members 106 are disposed opposite to each other, and the liner 112 is positioned and fixed by the positioning members 106.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by 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 protection scope of the present invention.

Claims

1. The utility model provides a bearing, its characterized in that includes outer lane, inner circle, rolling element, holder and setting element, the outer lane with the inner circle interval sets up, the rolling element is located the outer lane with between the inner circle, the holder install in the outer lane with between the inner circle, the rolling element joint in the holder, the bearing still includes the shield, the shield install in the outer lane, the setting element with the shield is connected, the setting element is followed the axial lead direction protrusion of inner circle the inner circle, just the setting element is followed the circumference of inner circle is annular, the setting element forms the locating hole.

2. The bearing of claim 1, wherein the dust cap is rotatably connected to the inner ring, the retainer is spaced from the dust cap, and the positioning member is connected to the inner ring via the dust cap.

3. The bearing of claim 2, wherein the positioning member comprises a connection block and a positioning block, the connection block is connected with the dust cover, the connection block extends along the axial line direction of the inner ring, the positioning block is located at one end of the connection block away from the dust cover, the positioning block extends inwards along the radial direction of the inner ring, and the positioning block forms the positioning hole.

4. The bearing of claim 3, wherein the dust cap is clamped to the outer race, and the connection block is connected to a side of the dust cap away from the outer race.

5. The bearing of claim 2, wherein the dust cap and the retainer are formed using an integral molding process.

6. The bearing of claim 1, wherein the inner layer of the inner race forms a mounting hole, and the positioning hole has a diameter greater than the mounting hole.

7. The bearing of claim 1, wherein the positioning members are arranged in two groups, and the two groups of positioning members are respectively arranged on two sides of the inner ring.

8. A rotating structure comprising a bearing according to any one of claims 1 to 7.

9. The rotating structure of claim 8, further comprising a liner tube, wherein the liner tube is snapped into the positioning member and wherein the liner tube is positioned within the positioning hole.

10. The rotating structure according to claim 9, wherein the number of the bearings is two, the two bearings are respectively installed at both ends of the liner tube, the two bearings are symmetrically arranged, and the positioning member is arranged toward the other bearing.