Rolling bearing for automobile inflator pump

Abstract

The utility model relates to the technical field of automobile inflator pump components, and discloses a rolling bearing for an automobile inflator pump, which comprises a bearing inner ring, the bearing outer ring is rotatably installed on the outer side of the bearing inner ring, the bearing inner ring comprises an inner ring body, the upper end and the lower end of the periphery of the inner ring body are each rotatably provided with a set of rotating supporting blocks, and the rotating supporting blocks are multiple in number and are arranged in an equal-angle shape. According to the utility model, the bearing structure design of an upper and lower double-rolling supporting structure is adopted on the whole, the rotary connection supporting performance between the bearing inner ring and the bearing outer ring is good, the bearing can bear radial load and axial load, and meanwhile, a plurality of heat dissipation holes are formed in the upper end and the lower end of the matching groove of the bearing outer ring at equal angles, so that the heat dissipation effect is good. The heat dissipation device can assist in heat dissipation of the rotating end of the rotating assembly, is favorable for being used under the condition of bearing high load and high rotating speed at the same time, prevents the rotating end from being overheated, and further avoids unrecoverable damage of the rotating assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air pump components, in particular to a rolling bearing for an automobile air pump. Background Art

[0002] Rolling bearings are commonly used in automotive air pumps to ensure smooth and efficient operation. The main function of rolling bearings is to reduce friction and provide support so that the moving parts of the pump can operate smoothly. The benefits of using rolling bearings include reduced friction, reduced energy loss, increased efficiency and longer service life. Regular maintenance and inspections can also ensure the performance and reliability of the air pump.

[0003] The existing rolling bearings for automobile air pumps have the following problems when in use: they usually use deep groove ball bearings, which can withstand radial loads and certain axial loads and are widely used in various machines, including air pumps. They are usually suitable for applications with higher speeds and are easy to maintain. However, after being used under high loads and high speeds at the same time, their rotating ends are very likely to overheat, causing irreversible damage to the rotating components. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a rolling bearing for an automobile air pump, which solves the problems raised by the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rolling bearing for an automobile air pump, comprising a bearing inner ring; a bearing outer ring, rotatably installed on the outside of the bearing inner ring, the bearing inner ring comprising an inner ring body, a group of rotating support blocks are rotatably installed at the upper and lower ends of the outer periphery of the inner ring body, a group of rotating support blocks is multiple and arranged at equal angles, the bearing outer ring comprises an outer ring rotatably connected to the inner ring body and the outer sides of the two groups of rotating support blocks, an inner fitting groove is provided in the middle part of the annular inner side wall of the outer ring corresponding to the inner ring body, rolling matching grooves are provided at the upper and lower ends of the outer periphery of the inner fitting groove corresponding to the two groups of rotating support blocks, the inner side walls of the two rolling matching grooves are each provided with a group of heat dissipation holes, a group of heat dissipation holes is multiple and arranged at equal angles, and the heat dissipation holes penetrate the outer side wall of the outer ring corresponding to one side end face.

[0008] As a further solution of the utility model: a protruding ring is respectively arranged on the inner side of the upper and lower end surfaces of the inner ring body, and a group of weight-reducing grooves are respectively opened at one end away from the two protruding rings, and a group of weight-reducing grooves has four grooves and are arranged at equal angles.

[0009] As a further solution of the utility model: a plurality of inner bearing assembly matching blocks are fixedly connected at equal angles to the middle part of the annular inner side wall of the inner ring body, and a plurality of outer bearing assembly matching blocks are fixedly connected at equal angles to the middle part of the annular outer side wall of the outer ring.

[0010] As a further solution of the utility model: a reinforcement block is fixedly connected between every two adjacent outer bearing assembly blocks, multiple reinforcement blocks are arranged at equal angles, and multiple reinforcement blocks are fixedly connected to the annular outer side wall of the outer ring, and the outer side walls at the upper and lower end faces of the outer ring are each fixedly connected to a group of protective washers, and a group of protective washers consists of two and are concentrically arranged from the inside to the outside.

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

[0012] 1. In the utility model, the bearing structure design adopts the upper and lower double rolling support structure as a whole, and the rotation connection support between the inner ring of the bearing and the outer ring of the bearing is good, which is conducive to bearing radial load and axial load. At the same time, the upper and lower ends of the matching groove of the outer ring of the bearing are respectively provided with a plurality of heat dissipation holes at equal angles, which can assist the heat dissipation of the rotating end, and is conducive to its use under the condition of bearing high load and high speed at the same time, avoiding overheating of the rotating end, and thus avoiding irreversible damage to the rotating component.

[0013] 2. In the utility model, a plurality of protective washers are arranged on the end face of the bearing outer ring, which play a role in protecting the end face of the bearing outer ring. At the same time, a plurality of reinforcement blocks are fixedly connected at equal angles to the outside of the bearing outer ring, which play a role in protecting the annular outer wall of the bearing outer ring, thereby improving the durability of the overall bearing outer ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0015] Figure 2 It is a vertical sectional perspective view of the whole of the utility model;

[0016] Figure 3 This is a three-dimensional diagram of the outer ring of the bearing of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the inner ring of the bearing of the present utility model.

[0018] In the figure: 1. Bearing inner ring; 2. Bearing outer ring; 3. Rotating support block; 11. Inner ring body; 12. Protruding ring; 13. Weight reduction groove; 14. Inner bearing assembly matching block; 21. Outer ring; 22. Outer bearing assembly matching block; 23. Reinforcement block; 24. Inner fitting groove; 25. Rolling matching groove; 26. Heat dissipation hole; 27. Protective gasket. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 In the embodiment of the utility model, a rolling bearing for an automobile air pump includes a bearing inner ring 1; a bearing outer ring 2, which is rotatably installed on the outside of the bearing inner ring 1, and the bearing inner ring 1 includes an inner ring body 11, and a group of rotating support blocks 3 are rotatably installed at the upper and lower ends of the outer periphery of the inner ring body 11, and a group of rotating support blocks 3 are multiple and arranged at equal angles. The bearing outer ring 2 includes an outer ring 21 rotatably connected to the inner ring body 11 and the outer sides of the two groups of rotating support blocks 3, and an inner fitting groove 24 is opened in the middle of the annular inner side wall of the outer ring 21 corresponding to the inner ring body 11, and rolling matching grooves 25 are opened at the upper and lower ends of the outer periphery of the inner fitting groove 24 corresponding to the two groups of rotating support blocks 3, and the two rolling matching grooves 25 are separated from the inner side wall of one end. A group of heat dissipation holes 26 are provided, and a group of heat dissipation holes 26 is multiple and arranged at equal angles. The heat dissipation holes 26 penetrate the outer wall of the end face of one side corresponding to the outer ring 21. The overall bearing structure design adopts an upper and lower double rolling support structure. An upper and lower group of rotating support blocks 3 are arranged between the inner ring 1 and the outer ring 2 of the bearing. The rotating connection has good support, which is beneficial for it to bear radial load and axial load. At the same time, the rolling matching groove 25 of the outer ring 2 of the bearing is provided with multiple heat dissipation holes 26 at equal angles at the upper and lower ends, which can assist in the heat dissipation of the rotating end, and is beneficial for its use when it is subjected to high load and high speed at the same time, avoiding overheating of the rotating end, and thus avoiding irreversible damage to the rotating component.

[0021] A protruding ring 12 is provided on the inner side of the upper and lower end surfaces of the inner ring body 11, and a group of weight-reducing grooves 13 are opened at one end of the two protruding rings 12. A group of weight-reducing grooves 13 has four and are arranged at equal angles, which plays a role in reducing the weight of the inner ring body 11 of the bearing inner ring 1.

[0022] A plurality of inner bearing assembly fitting blocks 14 are fixedly connected at equal angles to the middle of the annular inner wall of the inner ring body 11, and a plurality of outer bearing assembly fitting blocks 22 are fixedly connected at equal angles to the middle of the annular outer wall of the outer ring 21. The plurality of bearing assembly fitting blocks arranged on both sides of the integral rolling bearing facilitate the combined installation of the integral rolling bearing in the automobile air pump.

[0023] A reinforcement block 23 is fixedly connected between every two adjacent outer bearing assembly matching blocks 22, and multiple reinforcement blocks 23 are arranged at equal angles, and multiple reinforcement blocks 23 are fixedly connected to the annular outer wall of the outer ring 21. The outer walls at the upper and lower end faces of the outer ring 21 are each fixedly connected to a group of protective washers 27. A group of protective washers 27 consists of two and are concentrically arranged from the inside to the outside. The end face of the bearing outer ring 2 is provided with multiple protective washers 27, which play a role in protecting the end face of the bearing outer ring 2. At the same time, multiple reinforcement blocks 23 are fixedly connected at equal angles to the outside of the bearing outer ring 2, which play a role in protecting the annular outer wall of the bearing outer ring 2, thereby improving the durability of the overall bearing outer ring 2.

[0024] The working principle of the utility model is as follows: a plurality of bearing assembly matching blocks are arranged on both sides of the inside and outside of the integral rolling bearing, which is conducive to the combined installation of the integral rolling bearing in the automobile air pump. The overall bearing structure design adopts an upper and lower double rolling support structure. An upper and lower set of rotating support blocks 3 are arranged between the inner ring 1 of the bearing and the outer ring 2 of the bearing. The rotating connection has good support, which is conducive to its bearing radial load and axial load. At the same time, the upper and lower ends of the rolling matching groove 25 of the outer ring 2 of the bearing are respectively provided with a plurality of heat dissipation holes 26 at equal angles, which can assist the heat dissipation of the rotating end, and is conducive to its use when it is subjected to high load and high speed at the same time, avoiding overheating of the rotating end, and thus avoiding irreversible damage to the rotating component. In addition, a plurality of protective washers 27 are arranged on the end face of the outer ring 2 of the bearing, which play a role in protecting the end face of the outer ring 2 of the bearing. At the same time, a plurality of reinforcement blocks 23 are fixedly connected at equal angles to the outside of the outer ring 2 of the bearing, which play a role in protecting the annular outer wall of the outer ring 2 of the bearing, thereby improving the durability of the outer ring 2 of the integral bearing.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rolling bearing for an automobile air pump, comprising a bearing inner ring (1); a bearing outer ring (2), rotatably mounted on the outer side of the bearing inner ring (1): Features: The bearing inner ring (1) comprises an inner ring body (11), and a group of rotating support blocks (3) are rotatably mounted at the upper and lower ends of the outer periphery of the inner ring body (11), wherein a group of rotating support blocks (3) comprises a plurality of rotating support blocks (3) which are arranged at equal angles; The bearing outer ring (2) comprises an outer ring (21) rotatably connected to the inner ring body (11) and the outer sides of the two sets of rotating support blocks (3); An inner fitting groove (24) is provided in the middle of the annular inner side wall of the outer ring (21) corresponding to the inner ring body (11), and rolling matching grooves (25) are provided at the upper and lower ends of the outer periphery of the inner fitting groove (24) corresponding to the two groups of rotating support blocks (3), and a group of heat dissipation holes (26) are respectively provided on the inner side walls of the two rolling matching grooves (25) at one end away from each other.

2. A rolling bearing for an automobile air pump according to claim 1, characterized in that: A group of heat dissipation holes (26) is a plurality of holes arranged at equal angles, and the heat dissipation holes (26) penetrate an outer wall of an end surface corresponding to one side of the outer ring (21).

3. The rolling bearing for an automobile air pump according to claim 1, characterized in that: A protruding ring (12) is provided on the inner side of each of the upper and lower end surfaces of the inner ring body (11).

4. A rolling bearing for an automobile air pump according to claim 3, characterized in that: A group of weight-reducing grooves (13) are respectively provided at one end of the two protruding circles (12) away from each other, and a group of the weight-reducing grooves (13) consists of four grooves which are arranged at equal angles.

5. The rolling bearing for an automobile air pump according to claim 1, characterized in that: A plurality of inner bearing assembly matching blocks (14) are fixedly connected at equal angles in the middle of the annular inner side wall of the inner ring body (11), and a plurality of outer bearing assembly matching blocks (22) are fixedly connected at equal angles in the middle of the annular outer side wall of the outer ring (21).

6. A rolling bearing for an automobile air pump according to claim 5, characterized in that: A reinforcing block (23) is fixedly connected between each two adjacent outer bearing assembly matching blocks (22), a plurality of the reinforcing blocks (23) are arranged at equal angles, and a plurality of the reinforcing blocks (23) are fixedly connected to the annular outer side wall of the outer ring (21).

7. The rolling bearing for an automobile air pump according to claim 1, characterized in that: The outer side walls at the upper and lower end surfaces of the outer ring (21) are each fixedly connected to a group of protective washers (27), wherein the group of protective washers (27) consists of two and are arranged concentrically from the inside to the outside.

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