Deep groove ball bearing with good sealing performance

Abstract

The utility model discloses a deep groove ball bearing with good sealing performance, and relates to the technical field of bearings. The deep groove ball bearing with the good sealing performance comprises a bearing outer ring and a sealing structure, a bearing inner ring is arranged in the bearing outer ring, the sealing structure comprises a first sealing ring, a second sealing ring, a second limiting ring, a first limiting ring, a fixing ring and a clamping block, and the fixing ring is slidably connected into the bearing inner ring; the multiple clamping blocks are fixedly connected to the outer surface of the fixing ring at equal intervals, the first sealing ring is arranged on the left side of the fixing ring, the first limiting ring is fixedly connected with the first sealing ring, and the second sealing ring is arranged on the right side of the fixing ring. The probability that dust adheres to the bearing is reduced, the service life of the bearing is prolonged, and the problems that external dust, impurities and the like enter the bearing, friction force is affected, and the working performance of the bearing is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a deep groove ball bearing with good sealing performance. Background Art

[0002] Deep groove ball bearings, also called single row radial ball bearings, are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads of radial and axial loads, and can also be used on parts that bear axial loads.

[0003] Deep groove ball bearings generally do not have a good sealing effect, which may cause external dust and impurities to enter the interior of the bearing, affecting the rolling friction between the ball and the cage and reducing the working performance of the bearing. Therefore, a deep groove ball bearing with good sealing is needed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a deep groove ball bearing with good sealing performance, which can solve the problem that external dust and impurities enter the interior of the bearing, affect the rolling friction between the ball and the cage, and reduce the working performance of the bearing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deep groove ball bearing with good sealing performance, comprising a bearing outer ring and a sealing structure, a bearing inner ring is arranged inside the bearing outer ring, the sealing structure comprises a first sealing ring, a second sealing ring, a second limiting ring, a first limiting ring, a fixed ring and a clamping block, the fixed ring is slidably connected to the inside of the bearing inner ring, there are multiple clamping blocks and they are fixedly connected to the outer surface of the fixed ring at equal distances, the first sealing ring is arranged on the left side of the fixed ring, the first limiting ring is fixedly connected to the first sealing ring, the second sealing ring is arranged on the right side of the fixed ring, and the second limiting ring is fixedly connected to the second sealing ring.

[0006] Preferably, a groove adapted to the clamping block is provided inside the inner ring of the bearing.

[0007] Preferably, a first screw hole is provided inside the first sealing ring, a mounting screw hole is provided inside the fixing ring, and a second screw hole is provided inside the second sealing ring.

[0008] Preferably, bolts are threadedly connected inside the first screw hole, the mounting screw hole and the second screw hole.

[0009] Preferably, a limiting groove adapted to the first limiting ring is formed on the surface of the bearing outer ring.

[0010] Preferably, a plurality of balls are arranged between the bearing outer ring and the bearing inner ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The deep groove ball bearing with good sealing performance can enhance the sealing performance between the bearing and the outside world through the setting of the sealing structure, so that the ball is not exposed to the outside, the probability of dust adhering to the bearing is reduced, the service life of the bearing is increased, and the problem of external dust and impurities entering the interior of the bearing, affecting the rolling friction between the ball and the cage, and reducing the working performance of the bearing is solved.

[0013] (2) The deep groove ball bearing with good sealing performance has a detachable sealing structure, which makes it easier to inspect the inside of the bearing and add lubricating oil, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the main body of the utility model;

[0016] Figure 2 It is an explosion diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of a fixing ring of the utility model;

[0018] Figure 4 It is an internal schematic diagram of the utility model.

[0019] Figure numerals: 1. bearing outer ring; 2. bearing inner ring; 3. first sealing ring; 4. second sealing ring; 5. bolt; 6. second limiting ring; 7. second screw hole; 8. first limiting ring; 9. first screw hole; 10. mounting screw hole; 11. fixing ring; 12. block; 13. slot; 14. ball; 15. limiting slot. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] See also Figure 1-4 The utility model provides a technical solution: a deep groove ball bearing with good sealing performance, including a bearing outer ring 1 and a sealing structure, a bearing inner ring 2 is arranged inside the bearing outer ring 1, the sealing structure includes a first sealing ring 3, a second sealing ring 4, a second limiting ring 6, a first limiting ring 8, a fixing ring 11 and a clamping block 12, the fixing ring 11 is slidably connected to the inside of the bearing inner ring 2, the number of the clamping blocks 12 is multiple and they are fixedly connected to the outer surface of the fixing ring 11 at equal distances, the first sealing ring 3 is arranged on the left side of the fixing ring 11, the first limiting ring 8 is fixedly connected to the first sealing ring 3, the second sealing ring 4 is arranged on the right side of the fixing ring 11, and the second limiting ring 6 is fixedly connected to the second sealing ring 4.

[0025] Furthermore, a groove 13 adapted to the block 12 is provided inside the inner ring 2 of the bearing, a first screw hole 9 is provided inside the first sealing ring 3, a mounting screw hole 10 is provided inside the fixing ring 11, and a second screw hole 7 is provided inside the second sealing ring 4. Bolts 5 are threadedly connected inside the first screw hole 9, the mounting screw hole 10, and the second screw hole 7. A limiting groove 15 adapted to the first limiting ring 8 is provided on the surface of the bearing outer ring 1. A plurality of balls 14 are arranged between the bearing outer ring 1 and the bearing inner ring 2. During installation, first align the block 12 on the fixing ring 11 with the groove 13 on the bearing inner ring 2, put the fixing ring 11 into the bearing inner ring 2, and then put the first sealing ring 3 and the second sealing ring 4 into the inner ring 2 of the bearing. The first limiting ring 8 and the second limiting ring 6 on the sealing ring 4 are respectively aligned with the limiting groove 15 on the bearing outer ring 1, and finally the bolts are threadedly installed into the first screw hole 9, the installation screw hole 10 and the second screw hole 7 respectively to complete the installation of the sealing ring. The setting of the sealing structure can enhance the sealing between the bearing and the outside world, so that the ball is not exposed to the outside, reduce the probability of dust adhesion to the bearing, increase the service life of the bearing, and solve the problem of external dust and impurities entering the inside of the bearing, affecting the rolling friction between the ball and the cage, and reducing the working performance of the bearing. At the same time, the detachable structure of the sealing structure makes it more convenient to inspect the inside of the bearing, and also facilitates the addition of lubricating oil, making it more convenient to use.

[0026] Working principle: During installation, first align the block 12 on the fixing ring 11 with the groove 13 on the bearing inner ring 2, place the fixing ring 11 into the inner ring 2 of the bearing, then align the first limiting ring 8 and the second limiting ring 6 on the first sealing ring 3 and the second sealing ring 4 with the limiting groove 15 on the bearing outer ring 1, and finally thread the bolts into the first screw hole 9, the mounting screw hole 10 and the second screw hole 7 respectively to complete the installation of the sealing ring, strengthen the sealing between the bearing and the outside world, prevent the balls from being exposed to the outside, and reduce the probability of dust adhering to the bearing.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A deep groove ball bearing with good sealing performance, characterized in that: include: A bearing outer ring (1), wherein a bearing inner ring (2) is arranged inside the bearing outer ring (1); A sealing structure, comprising a first sealing ring (3), a second sealing ring (4), a second limiting ring (6), a first limiting ring (8), a fixing ring (11) and a clamping block (12); the fixing ring (11) is slidably connected to the inside of a bearing inner ring (2); a plurality of clamping blocks (12) are fixedly connected to the outer surface of the fixing ring (11) at equal distances; the first sealing ring (3) is arranged on the left side of the fixing ring (11); the first limiting ring (8) is fixedly connected to the first sealing ring (3); the second sealing ring (4) is arranged on the right side of the fixing ring (11); and the second limiting ring (6) is fixedly connected to the second sealing ring (4).

2. A deep groove ball bearing with good sealing performance according to claim 1, characterized in that: A clamping groove (13) adapted to the clamping block (12) is provided inside the bearing inner ring (2).

3. A deep groove ball bearing with good sealing performance according to claim 1, characterized in that: A first screw hole (9) is provided inside the first sealing ring (3), a mounting screw hole (10) is provided inside the fixing ring (11), and a second screw hole (7) is provided inside the second sealing ring (4).

4. A deep groove ball bearing with good sealing performance according to claim 3, characterized in that: Bolts (5) are threadedly connected inside the first screw hole (9), the mounting screw hole (10) and the second screw hole (7).

5. A deep groove ball bearing with good sealing performance according to claim 4, characterized in that: The surface of the bearing outer ring (1) is provided with a limiting groove (15) adapted to the first limiting ring (8).

6. A deep groove ball bearing with good sealing performance according to claim 5, characterized in that: A plurality of balls (14) are arranged between the bearing outer ring (1) and the bearing inner ring (2).

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