Environment-friendly low-friction bearing

Abstract

The utility model discloses an environment-friendly low-friction bearing which comprises a bearing outer ring, an inner ring is arranged in the bearing outer ring, a retainer is arranged between the inner ring and the bearing outer ring, and a plurality of groups of balls are uniformly arranged on the retainer; a protection assembly is arranged on the outer side of the bearing outer ring and comprises a positioning groove formed in the surface wall of the inner ring, a protection piece is installed on the outer side of the inner ring, and meanwhile the protection piece covers the outer side of the retainer. According to the environment-friendly low-friction bearing, the space between the outer ring and the inner ring of the bearing can be covered by the protective sheet, so that the protective sheet covers the outer side of the retainer, external dust particles can be prevented from entering the retainer, the cleanliness of the interior of the retainer is ensured, meanwhile, the interior of the retainer is coated with butter, and the service life of the retainer is prolonged. Friction force of the bearing in use is reduced, and the service life of the bearing is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of bearings, in particular to an environmentally friendly low-friction bearing. Background Art

[0002] Bearings are components that fix and reduce the load friction coefficient during mechanical transmission; their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy;

[0003] There are many types of bearings, the most common ones are rolling bearings and sliding bearings; rolling bearings are generally composed of four parts: inner ring, outer ring, rolling element and cage. They have the advantages of small friction resistance, sensitive start-up and high efficiency, and are widely used in various mechanical equipment; sliding bearings are bearings that work under sliding friction;

[0004] Existing bearings generally include an outer ring, an inner ring, and balls arranged between the outer ring and the inner ring. The balls are arranged in a limited manner by a cage, and the cage structure is generally a circular ring structure. When the bearing is working, a large amount of dust particles from the outside will enter between the cage and the balls, increasing the friction between the balls and the cage and reducing the service life of the bearing. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly low-friction bearing to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, an environmentally friendly low-friction bearing is provided, comprising an outer ring of a bearing, an inner ring is arranged inside the outer ring of the bearing, and a retaining frame is arranged between the inner ring and the outer ring of the bearing, and a plurality of groups of balls are evenly arranged on the retaining frame; a protective component is arranged on the outer side of the outer ring of the bearing, the protective component comprises a positioning groove opened on the surface wall of the inner ring, and a protective sheet is installed on the outer side of the inner ring, and the protective sheet covers the outer side of the retaining frame.

[0007] Preferably, four groups of positioning grooves are evenly arranged on the front side of the inner ring, and screw holes are arranged at the bottom of the positioning grooves, and the sizes of the positioning grooves and the positioning seats are matched.

[0008] Preferably, the positioning seats are arranged in four groups and are evenly mounted on the surface wall of the protective sheet, and the protective sheet is inserted into the interior of the positioning grooves provided on the inner ring through the positioning seats.

[0009] Preferably, the cross-section of the positioning seat and the positioning groove is a uniform isosceles trapezoidal structure, and the protective sheet and the bearing are positioned and screwed together via the positioning seat and the positioning groove.

[0010] Preferably, the protective sheet is an annular structure made of plastic material, and four groups of through holes are evenly opened on the protective sheet. At the same time, mounting holes are opened in the four groups of positioning seats, and the fixing bolts pass through the through holes and the mounting holes and are screwed into the inside of the screw holes.

[0011] Preferably, a receiving hole is provided on the protection sheet, and the diameter of the receiving hole is larger than the inner diameter of the inner ring, and the protection sheet and the inner ring are concentric circle structures.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the space between the outer ring and the inner ring of the bearing can be covered by a protective sheet, so that the protective sheet covers the outside of the cage, which can prevent a large amount of external dust particles from entering the inside of the cage, ensuring the cleanliness of the inside of the cage, and at the same time, grease is applied to the inside of the cage to reduce the friction of the bearing when in use and increase the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0014] Figure 2 The utility model structure Figure 1 A top view of

[0015] Figure 3 The utility model structure Figure 1 Side view of

[0016] Figure 4 This is a schematic diagram of the installation structure of the structural protection sheet of the utility model.

[0017] Numbers in the figure: 1, bearing outer ring; 2, inner ring; 3, retaining frame; 4, protective assembly; 41, positioning groove; 42, screw hole; 43, mounting hole; 44, protective sheet; 45, fixing bolt; 46, insertion hole; 47, positioning seat; 48, receiving hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4The utility model provides an environmentally friendly low-friction bearing, including a bearing outer ring 1, an inner ring 2 is arranged inside the bearing outer ring 1, and a retaining frame 3 is arranged between the inner ring 2 and the bearing outer ring 1, and a plurality of groups of balls are evenly arranged on the retaining frame 3; a protective component 4 is arranged on the outer side of the bearing outer ring 1, and the protective component 4 includes a positioning groove 41 opened on the surface wall of the inner ring 2, and a protective sheet 44 is installed on the outer side of the inner ring 2, and the protective sheet 44 covers the outer side of the retaining frame 3.

[0020] Working principle: The space between the outer ring 1 and the inner ring 2 of the bearing can be covered by the protective sheet 44, so that the protective sheet 44 covers the outside of the retaining frame 3, which can prevent a large amount of dust particles from the outside from entering the inside of the retaining frame 3, ensuring the cleanliness of the inside of the retaining frame 3, and at the same time, grease is applied to the inside of the retaining frame 3 to reduce the friction of the bearing when in use and increase the service life of the bearing.

[0021] As a preferred embodiment, four groups of positioning grooves 41 are evenly formed on the front surface of the inner ring 2 , and screw holes 42 are formed at the bottom of the positioning grooves 41 . Meanwhile, the sizes of the positioning grooves 41 and the positioning seats 47 are matched.

[0022] The positioning seats 47 are arranged in four groups and are evenly mounted on the surface wall of the protection sheet 44 , and the protection sheet 44 is inserted into the inside of the positioning groove 41 opened on the inner ring 2 through the positioning seats 47 .

[0023] The protection sheet 44 is positioned and installed on the outer side of the inner ring 2 through the positioning seat 47 and the positioning groove 41, so that the protection sheet 44 can be quickly installed and fixed.

[0024] As a preferred implementation, the cross-sections of the positioning seat 47 and the positioning groove 41 are uniform isosceles trapezoidal structures, and the protective sheet 44 and the bearing are positioned and screwed together via the positioning seat 47 and the positioning groove 41 .

[0025] The protective sheet 44 is an annular structure made of plastic material, and four groups of through holes 46 are evenly opened on the protective sheet 44. At the same time, four groups of positioning seats 47 are each provided with mounting holes 43, and the fixing bolts 45 pass through the through holes 46 and the mounting holes 43 and are screwed into the inside of the screw holes 42.

[0026] The protective sheets 44 can be provided in two groups, covering the two sides of the retaining frame 3 respectively, so as to isolate the retaining frame 3 from dust. The provision of the protective sheets 44 can also prevent the grease from being separated from the retaining frame 3.

[0027] As a preferred implementation, a receiving hole 48 is provided on the protection sheet 44, and the diameter of the receiving hole 48 is larger than the inner diameter of the inner ring 2, and the protection sheet 44 and the inner ring 2 are concentric circle structures.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly low-friction bearing, comprising a bearing outer ring (1), characterized in that: An inner ring (2) is arranged inside the bearing outer ring (1), and a retaining frame (3) is arranged between the inner ring (2) and the bearing outer ring (1), and a plurality of groups of balls are evenly arranged on the retaining frame (3); a protective component (4) is arranged outside the bearing outer ring (1), and the protective component (4) includes a positioning groove (41) opened on the surface wall of the inner ring (2), and a protective sheet (44) is installed on the outer side of the inner ring (2), and the protective sheet (44) covers the outer side of the retaining frame (3).

2. The environmentally friendly low-friction bearing according to claim 1, characterized in that: Four groups of positioning grooves (41) are evenly arranged on the front side of the inner ring (2), and screw holes (42) are arranged at the bottom of the positioning grooves (41). Meanwhile, the sizes of the positioning grooves (41) and the positioning seats (47) are matched.

3. The environmentally friendly low-friction bearing according to claim 2, characterized in that: The positioning seats (47) are arranged in four groups and are evenly mounted on the surface wall of the protection sheet (44), and the protection sheet (44) is inserted into the interior of the positioning groove (41) provided on the inner ring (2) through the positioning seats (47).

4. The environmentally friendly low-friction bearing according to claim 3, characterized in that: The cross-sections of the positioning seat (47) and the positioning groove (41) are uniform isosceles trapezoidal structures, and the protective sheet (44) and the bearing are positioned and screwed together via the positioning seat (47) and the positioning groove (41).

5. The environmentally friendly low-friction bearing according to claim 1, characterized in that: The protective sheet (44) is an annular structure made of plastic material, and four groups of through holes (46) are evenly formed on the protective sheet (44). Meanwhile, four groups of positioning seats (47) are each provided with a mounting hole (43), and a fixing bolt (45) passes through the through holes (46) and the mounting holes (43) and is screwed into the inside of the screw connection hole (42).

6. The environmentally friendly low-friction bearing according to claim 1, characterized in that: The protective sheet (44) is provided with a receiving hole (48), and the diameter of the receiving hole (48) is greater than the inner diameter of the inner ring (2), and the protective sheet (44) and the inner ring (2) are in a concentric circle structure.

Images