CN218971645U

CN218971645U - Deep groove ball bearing with dustproof function

Info

Publication number: CN218971645U
Application number: CN202223178136.0U
Authority: CN
Inventors: 吴亮学; 汪燕
Original assignee: Shandong Lanrun Precision Bearing Co ltd
Current assignee: Shandong Lanrun Precision Bearing Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-05
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a deep groove ball bearing with a dustproof function, which comprises an outer ring, a first inner ring, a second inner ring and balls, wherein the first inner ring and the second inner ring are symmetrically arranged, and the first inner ring and the second inner ring are arranged in the outer ring, and the utility model has the beneficial effects that: through split with the inner circle for first inner circle and second inner circle, first inner circle and second inner circle splice then constitute a complete inner circle together for the bearing can also be convenient for the change of the inside ball of bearing when more convenient when the equipment, simultaneously, first inner circle and second inner circle are connected and are passed through the sealing ring that the screw thread cup jointed to it through first interior welt and second interior welt that crisscross set up each other, make the sealing ring can also be convenient for dismouting change when carrying out dust prevention to the bearing, in addition the sealing ring can rotate in the inside of outer lane along with the rotation of bearing, can effectually avoid the problem that the sealing ring wearing and tearing seriously and drop because the inner and outer circle rotates.

Description

Deep groove ball bearing with dustproof function

Technical Field

The utility model relates to the technical field of deep groove ball bearings, in particular to a deep groove ball bearing with a dustproof function.

Background

The deep groove ball bearing is suitable for high-speed and even extremely high-speed operation, is very durable, and does not need frequent maintenance. The bearing has the advantages of small friction coefficient, high limit rotation speed and various size range and form changes, is applied to industries such as precise instruments, low-noise motors, automobiles, motorcycles, general machinery and the like, and is the most widely used bearing in the mechanical industry. Mainly bearing radial load and also bearing a certain amount of axial load.

However, since the deep groove ball bearing is mostly used in industries such as precision instruments, low noise motors, automobiles, motorcycles, general machinery and the like, better precision is required, however, at present, the deep groove ball bearing is mostly dustproof through a rubber sealing ring embedded between an outer ring and an inner ring, but because the inner ring and the outer ring of the deep groove ball bearing can generate certain abrasion to the rubber sealing ring when rotating at high speed on two sides of a ball in the using process, the sealing ring can not be effectively embedded between the outer ring and the inner ring, so that the rubber sealing ring can fall off, and the bearing can not be effectively dustproof.

Disclosure of Invention

The utility model aims to provide a deep groove ball bearing with a dustproof function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a deep groove ball bearing with dustproof function, includes outer lane, first inner circle, second inner circle and ball, first inner circle and second inner circle looks symmetry set up, just first inner circle and second inner circle all set up the inside at the outer lane, be provided with the ball between first inner circle and second inner circle and the outer lane, just correspond the ball on the lateral wall of the inner circle side of outer lane and seted up outer raceway, correspond the ball on the outer circle lateral wall of the adjacent one end of first inner circle and second inner circle and seted up interior raceway, the one end that first inner circle and second inner circle kept away from each other all is provided with the sealing ring.

Preferably, the side walls of the inner circle sides of the first inner ring and the second inner ring are respectively fixedly connected with a plurality of first lining plates and second lining plates, the first lining plates and the second lining plates are respectively arranged around the circle center of the first inner ring and the circle center of the second inner ring at equal intervals, and the first lining plates and the second lining plates are arranged in a staggered mode.

Preferably, the side walls of the outer circle sides of the two ends of the first inner lining plate and the second inner lining plate are respectively provided with an external thread groove.

Preferably, an internal thread groove is formed in the side wall of the inner circle side of the sealing ring, and the sealing ring is in threaded sleeve connection with an external thread groove on the outer wall of the lining pipe formed by the first lining plate and the second lining plate.

Preferably, one end of one of the first inner lining plates and the second inner lining plates is provided with a counterpoint hole.

Compared with the prior art, the utility model has the beneficial effects that: the deep groove ball bearing with the dustproof function is simple in structure and convenient to use, the inner ring is split into the first inner ring and the second inner ring, the first inner ring and the second inner ring are spliced together to form the complete inner ring, so that the bearing can be more convenient to replace balls inside the bearing when being assembled, meanwhile, the first inner ring and the second inner ring are connected through the first inner lining plates and the second inner lining plates which are arranged in a staggered mode, and are limited and locked through the sealing rings sleeved by threads, the sealing rings can be conveniently disassembled and replaced when the bearing is dustproof, in addition, the sealing rings can rotate inside the outer ring along with the rotation of the bearing, and the problem that the sealing rings are seriously worn and fall off due to the rotation of the inner ring and the outer ring can be effectively avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic structural view of a first inner ring and a second inner ring according to the present utility model;

fig. 4 is an exploded view of the present utility model.

In the figure: 1. an outer ring; 2. a first inner ring; 3. a second inner ring; 4. a ball; 5. an outer race; 6. an inner race; 7. a first inner liner; 8. a second inner liner; 9. a seal ring; 10. an internal thread groove; 11. an external thread groove; 12. and (5) aligning the holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a deep groove ball bearing with dustproof function, includes outer lane 1, first inner circle 2, second inner circle 3 and ball 4, first inner circle 2 and second inner circle 3 are symmetrical to be set up, just first inner circle 2 and second inner circle 3 all set up the inside at outer lane 1, be provided with ball 4 between first inner circle 2 and second inner circle 3 and the outer lane 1, just outer raceway 5 has been seted up to corresponding ball 4 on the lateral wall of the interior round side of outer lane 1, interior raceway 6 has been seted up to corresponding ball 4 on the outer round lateral wall of the adjacent one end of first inner circle 2 and second inner circle 3, the one end that first inner circle 2 and second inner circle 3 kept away from each other all is provided with sealing ring 9.

The side walls of the inner circle sides of the first inner circle 2 and the second inner circle 3 are respectively fixedly connected with a plurality of first lining plates 7 and second lining plates 8, the first lining plates 7 and the second lining plates 8 are respectively arranged around the circle center of the first inner circle 2 and the circle center of the second inner circle 3 at equal intervals, and the first lining plates 7 and the second lining plates 8 are arranged in a staggered mode.

External thread grooves 11 are formed in the side walls of the outer circle sides of the two ends of the first inner lining plate 7 and the second inner lining plate 8.

An inner thread groove 10 is formed in the side wall of the inner circle side of the sealing ring 9, and the sealing ring 9 is in threaded sleeve connection with an outer thread groove 11 on the outer wall of the lining pipe formed by the first lining plate 7 and the second lining plate 8, so that the sealing ring 9 can be conveniently disassembled and assembled.

One end of one of the first lining plate 7 and the second lining plate 8 is provided with an alignment hole 12, so that the first lining plate 7 and the second lining plate 8 can be aligned conveniently.

Specifically, when the bearing is assembled, the balls 4 in the bearing are placed in the outer raceway 5 in the outer ring 1, the first inner liner plate 7 and the second inner liner plate 8 in the first inner ring 2 and the second inner ring 3 are inserted and connected in a staggered manner, the first inner ring 2 and the second inner ring 3 are close to each other, the first inner liner plate 7 fixedly connected to the first inner ring 2 penetrates the second inner ring 3, meanwhile, the second inner liner plate 8 fixedly connected to the second inner ring 3 penetrates the first inner ring 2, the sealing ring 9 is sleeved on the outer wall of the inner liner tube formed by the first inner liner plate 7 and the second inner liner plate 8 in a threaded manner, the sealing ring 9 can be attached to the inner wall of the outer ring 1 after the installation is completed and can rotate along with the rotation of the inner ring, the sealing ring 9 can effectively prevent dust on the bearing, and the problem that the bearing falls off due to serious abrasion can be effectively avoided.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection can be a deep groove ball bearing connection or an electric connection; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deep groove ball bearing with dustproof function, its characterized in that includes outer lane (1), first inner circle (2), second inner circle (3) and ball (4), first inner circle (2) and second inner circle (3) are symmetrical to be set up, just first inner circle (2) and second inner circle (3) all set up in the inside of outer lane (1), be provided with ball (4) between first inner circle (2) and second inner circle (3) and outer lane (1), just outer raceway (5) have been seted up on the lateral wall of the interior circular side of outer lane (1) corresponding ball (4), inner raceway (6) have been seted up on the outer circular lateral wall of the adjacent one end of first inner circle (2) and second inner circle (3) corresponding ball (4), the one end that first inner circle (2) and second inner circle (3) keep away from each other all is provided with sealing ring (9);

a plurality of first lining plates (7) and second lining plates (8) are fixedly connected to the side walls of the inner circle sides of the first inner ring (2) and the second inner ring (3) respectively, the first lining plates (7) and the second lining plates (8) are arranged around the circle center of the first inner ring (2) and the circle center of the second inner ring (3) at equal intervals respectively, and the first lining plates (7) and the second lining plates (8) are arranged in a staggered mode;

external thread grooves (11) are formed in the side walls of the outer circle sides of the two ends of the first inner lining plate (7) and the second inner lining plate (8).

2. The deep groove ball bearing with a dust-proof function according to claim 1, wherein: an inner thread groove (10) is formed in the side wall of the inner circle side of the sealing ring (9), and the sealing ring (9) is in threaded sleeve connection with an outer thread groove (11) on the outer wall of the lining pipe formed by the first lining plate (7) and the second lining plate (8).

3. The deep groove ball bearing with a dust-proof function according to claim 1, wherein: one end of one of the first lining plates (7) and the second lining plates (8) is provided with an alignment hole (12).