Sealing dustproof bearing

Abstract

The utility model discloses a sealing dustproof bearing. The bearing comprises an inner ring, one side of the inner ring is provided with a first dust blocking ring, and the other side of the inner ring is provided with a second dust blocking ring. A second dust blocking ring is arranged on the other side of the outer ring; retainers are arranged on the two sides of the roller, and the roller is arranged between the inner ring and the outer ring. The outer ring and the inner ring of the bearing are both provided with the dust blocking rings, after the outer ring and the inner ring are spliced and installed, the dust blocking rings can seal the roller installation cavity between the outer ring and the inner ring, the structure is simple, installation is convenient, dust particles can be prevented from entering the bearing, violent abrasion of the roller is avoided, the service life of the bearing is guaranteed, and the service life of the bearing is prolonged. Meanwhile, sealing rings are arranged on the outer ring and the inner ring, so that the sealing effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, concretely is a sealed dustproof bearing. BACKGROUND

[0002] Bearing is an important spare part in contemporary mechanical equipment. Its main function is to support mechanical rotary body, reduce its friction coefficient in the movement process, and ensure its rotation precision. The existing bearing, some bearings on the market adopt multi-layer sealing ring protection structure, but its structure is complex, and inconvenient to install. Most of the existing bearings are easy to have dust particles enter the inside of the bearing when in use, so that the rolling body in the bearing is severely worn, the service life of the bearing is shortened, and the dust still enters the bearing because the inner wall and the outer wall of the dust blocking ring are damaged due to the pressure and friction of the inner ring or the outer ring. SUMMARY

[0003] The utility model discloses a sealed dustproof bearing, which solves the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a sealed dustproof bearing, comprising:

[0005] The inner ring is provided with a first dust blocking ring on one side;

[0006] The outer ring is provided with a second dust blocking ring on the other side;

[0007] The rolling body is provided with a retainer on both sides and is arranged between the inner ring and the outer ring.

[0008] By adopting the above technical scheme, the first dust blocking ring and the second dust blocking ring can play a dust blocking effect during the use of the bearing, and no additional dust blocking ring needs to be assembled during the assembly of the bearing, which is convenient and fast. Moreover, the sealing ring arranged on the inner ring and the outer ring can reduce the friction between the first dust blocking ring and the second dust blocking ring, prevent the first dust blocking ring and the second dust blocking ring from being damaged, avoid the dust from entering the inside of the inner ring and the outer ring, prevent the rolling body from being severely worn, and ensure the service life of the bearing.

[0009] Preferably, a first mounting ring is arranged at the middle position of the outer wall of the inner ring, and a second mounting ring is arranged at the middle position of the inner wall of the outer ring.

[0010] Preferably, the first mounting ring on the inner ring and the second mounting ring on the outer ring are arranged at corresponding positions, and the size of the rolling body is matched with the size of the first mounting ring and the second mounting ring.

[0011] By adopting the technical scheme, the rollers are limited between the inner ring and the outer ring through the first mounting ring and the second mounting ring, and the rollers can move along the first mounting ring and the second mounting ring.

[0012] Preferably, the rollers are sleeved with the retainer.

[0013] By adopting the technical scheme, the rollers are limited by the retainer, avoiding the rollers from moving randomly between the inner ring and the outer ring during rotation of the bearing, and the plurality of rollers can be arranged equidistantly between the inner ring and the outer ring, avoiding damage caused by collision between the plurality of rollers.

[0014] Preferably, the inner ring, the outer ring, the first dust-proof ring and the second dust-proof ring form a sealed space, and the sealed space is filled with lubricant.

[0015] By adopting the technical scheme, the lubricant in the sealed space can reduce the friction coefficient of the rollers with the inner ring and the outer ring, improving the function of the bearing.

[0016] Preferably, the other side of the outer wall of the inner ring is provided with a clamping ring, the inner wall of the second dust-proof ring is provided with a clamping groove, and the inner ring is clamped between the second dust-proof ring through the clamping ring and the clamping groove.

[0017] Preferably, one side of the inner wall of the outer ring is provided with a clamping groove, the outer wall of the first dust-proof ring is provided with a clamping ring, and the outer ring is clamped between the first dust-proof ring through the clamping ring and the clamping groove.

[0018] By adopting the technical scheme, the inner ring and the outer ring are clamped between the first dust-proof ring and the second dust-proof ring through the clamping grooves and the clamping rings, facilitating assembly of the bearing, and only the inner ring and the outer ring need to be pressed to be assembled, without the need for additional installation of the dust-proof rings, so that the structure is simple and the installation is convenient.

[0019] Preferably, the inner ring and the first dust-proof ring are connected by welding, and the outer ring and the second dust-proof ring are connected by welding.

[0020] By adopting the technical scheme, the first dust-proof ring and the second dust-proof ring can rotate with the inner ring and the outer ring respectively, and the friction surfaces of the first dust-proof ring and the second dust-proof ring can be reduced.

[0021] Preferably, a circular hole is formed in the middle position of one side of the first dust-proof ring and the second dust-proof ring, and the size of the circular hole on the first dust-proof ring and the second dust-proof ring is adapted to the size of the inner ring.

[0022] Preferably, the inner ring and the outer ring are rotationally connected through the first dust-proof ring and the second dust-proof ring, and the other side of the outer wall of the inner ring and one side of the inner wall of the outer ring are both provided with a sealing ring.

[0023] By adopting the technical scheme, the sealing ring on the inner ring and the outer ring can avoid the first dust-proof ring and the second dust-proof ring rubbing against the outer wall of the inner ring and the inner wall of the outer ring, prevent the first dust-proof ring and the second dust-proof ring from being damaged due to rubbing, ensure the service life of the bearing, and prevent the lubricant from leaking from the inside of the bearing.

[0024] Compared with the prior art, the sealing dustproof bearing has the advantages that the dust-proof rings are arranged on the outer ring and the inner ring of the bearing, the dust-proof rings can seal the roller mounting cavity between the outer ring and the inner ring after the outer ring and the inner ring are spliced and installed, the structure is simple, the installation is convenient, dust particles can be prevented from entering the inside of the bearing, the severe abrasion of the rollers can be avoided, the service life of the bearing is ensured, and the sealing effect is further improved due to the sealing rings arranged on the outer ring and the inner ring. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the utility model;

[0026] Figure 2 It is a side view structure sectional view of the utility model;

[0027] Figure 3 It is a front view structure sectional view of the utility model;

[0028] Figure 4 It is a front view structure sectional view of the inner ring of the utility model;

[0029] Figure 5 It is a front view structure sectional view of the outer ring of the utility model.

[0030] In the drawing: 1, inner ring; 2, first mounting ring; 3, roller; 4, retainer; 5, outer ring; 6, second mounting ring; 7, lubricant; 8, first dust-proof ring; 9, second dust-proof ring. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figures 1-5The utility model provides an embodiment: a sealed dustproof bearing, include: inner race 1, the one side of inner race 1 is provided with first dust baffle ring 8, outer ring 5, the other side of outer ring 5 is provided with second dust baffle ring 9, roller 3, both sides of roller 3 are provided with retainer 4 and roller 3 is set between inner race 1 and outer ring 5, in the bearing use process, first dust baffle ring 8 and second dust baffle ring 9 can play dustproof effect, and do not need to assemble dust baffle ring additionally in the bearing assembly process, and the assembly is convenient and fast, and the sealing ring is set on inner race 1 and outer ring 5, can reduce the friction between first dust baffle ring 8 and second dust baffle ring 9, can prevent first dust baffle ring 8 and second dust baffle ring 9 from being damaged, thereby avoid dust to enter the inside of inner race 1 and outer ring 5, prevent roller 3 from appearing violent wear, guarantee the service life of bearing.

[0033] In the embodiment, the middle position of the outer wall of the inner ring 1 is provided with a first mounting ring 2, and the middle position of the inner wall of the outer ring 5 is provided with a second mounting ring 6.

[0034] In the embodiment, the opening positions of the first mounting ring 2 on the inner ring 1 and the second mounting ring 6 on the outer ring 5 correspond to each other, the size of the roller 3 is matched with the size of the first mounting ring 2 and the second mounting ring 6, the roller 3 is limited between the inner ring 1 and the outer ring 5 through the first mounting ring 2 and the second mounting ring 6, and the roller 3 can move along the first mounting ring 2 and the second mounting ring 6.

[0035] In the embodiment, the roller 3 is sleeved between the roller 3 and the retainer 4, the roller 3 is limited through the retainer 4, the roller 3 is prevented from moving randomly between the inner ring 1 and the outer ring 5 in the rotating process of the bearing, and a plurality of rollers 3 can be arranged equidistantly between the inner ring 1 and the outer ring 5, so that the plurality of rollers 3 are prevented from being damaged due to collision.

[0036] In the embodiment, the inner ring 1, the outer ring 5, the first dust baffle ring 8 and the second dust baffle ring 9 form a sealed space, and the sealed space is filled with a lubricant 7, the lubricant 7 in the sealed space can reduce the friction coefficient of the roller 3 and the inner ring 1 and the outer ring 5, and improve the function of the bearing.

[0037] In the embodiment, the other side of the outer wall of the inner ring 1 is provided with a clamping ring, the inner wall of the second dust baffle ring 9 is provided with a clamping groove, and the inner ring 1 is clamped between the second dust baffle ring 9 through the clamping ring and the clamping groove.

[0038] In the embodiment, one side of the inner wall of the outer ring 5 is provided with a clamping groove, the outer wall of the first dust baffle ring 8 is provided with a clamping ring, the outer ring 5 is clamped between the first dust baffle ring 8 through the clamping ring and the clamping groove, and the inner ring 1 and the outer ring 5 are clamped through the clamping grooves and the clamping rings on the first dust baffle ring 8 and the second dust baffle ring 9, so that the assembly of the bearing is facilitated, the inner ring 1 and the outer ring 5 only need to be pressed and assembled by the staff, without the need for additional installation of the dust baffle ring, the structure is simple, and the installation is convenient.

[0039] In the embodiment, the inner ring 1 and the first dustproof ring 8 are connected by welding, the outer ring 5 and the second dustproof ring 9 are connected by welding, the first dustproof ring 8 and the second dustproof ring 9 can rotate with the inner ring 1 and the outer ring 5 respectively, and the friction surfaces of the first dustproof ring 8 and the second dustproof ring 9 can be reduced.

[0040] In the embodiment, the first dustproof ring 8 and the second dustproof ring 9 are provided with circular holes at the middle positions on one side, and the sizes of the circular holes on the first dustproof ring 8 and the second dustproof ring 9 are matched with the size of the inner ring 1.

[0041] In the embodiment, the inner ring 1 and the outer ring 5 are connected by rotating the first dustproof ring 8 and the second dustproof ring 9, the other side of the outer wall of the inner ring 1 and one side of the inner wall of the outer ring 5 are provided with sealing rings, the sealing rings on the inner ring 1 and the outer ring 5 can avoid the friction between the first dustproof ring 8 and the second dustproof ring 9 and the outer wall of the inner ring 1 and the inner wall of the outer ring 5, prevent the first dustproof ring 8 and the second dustproof ring 9 from being damaged due to friction, ensure the service life of the bearing, and prevent the lubricant 7 from leaking from the inside of the bearing.

[0042] Working principle: when assembling the bearing, the worker places the rollers 3 on the outer wall of the inner ring 1 through the retainer 4, then the inner ring 1 and the outer ring 5 are clamped through the clamping ring and the clamping groove, the splicing and installation of the inner ring 1 and the outer ring 5 are facilitated, the rollers 3 are sealed through the cooperation between the inner ring 1, the outer ring 5, the first dustproof ring 8 and the second dustproof ring 9, the dust outside is prevented from entering the inside of the bearing, the wear of the rollers 3 is avoided, the service life of the bearing is ensured, the sealing effect is further improved through the sealing rings arranged on the inner ring 1 and the outer ring 5, and the bearing is filled with the lubricant 7, and the friction coefficient between the rollers 3 and the inner ring 1 and the outer ring 5 is further reduced by the lubricant 7.

[0043] For those skilled in the art, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or scope of the utility model. Therefore, the embodiments of the utility model are exemplary and non-limiting. The scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A sealed dustproof bearing, characterized by, Include: The inner ring (1), one side of the inner ring (1) is provided with the first dust ring (8); The outer ring (5), the other side of the outer ring (5) is provided with the second dust ring (9); Roller (3), both sides of the roller (3) are provided with cage (4) and roller (3) is arranged between the inner ring (1) and the outer ring (5).

2. A sealed, dustproof bearing according to claim 1, characterized in that: The middle position of the outer wall of the inner ring (1) is provided with the first mounting ring (2), and the middle position of the inner wall of the outer ring (5) is provided with the second mounting ring (6).

3. A sealed, dustproof bearing according to claim 2, characterized in that: The opening position of the first mounting ring (2) on the inner ring (1) and the second mounting ring (6) on the outer ring (5) corresponds, and the size of the roller (3) is matched with the size of the first mounting ring (2) and the second mounting ring (6).

4. A sealed, dustproof bearing according to claim 1, characterized in that: The roller (3) is connected with the cage (4).

5. A sealed, dustproof bearing according to claim 1, characterized in that: The inner ring (1), the outer ring (5), the first dust ring (8) and the second dust ring (9) form a sealed space, and the sealed space is filled with lubricant (7).

6. A sealed, dustproof bearing according to claim 1, characterized in that: The other side of the outer wall of the inner ring (1) is provided with a snap ring, the inner wall of the second dust ring (9) is provided with a clamping groove, and the inner ring (1) is clamped between the snap ring and the second dust ring (9).

7. A sealed, dustproof bearing according to claim 1, characterized in that: The inner wall of the outer ring (5) is provided with a clamping groove on one side, and the outer wall of the first dust ring (8) is provided with a snap ring, and the outer ring (5) is clamped between the snap ring and the first dust ring (8).

8. A sealed, dustproof bearing according to claim 1, characterized in that: The inner ring (1) and the first dust ring (8) are connected by welding, and the outer ring (5) and the second dust ring (9) are connected by welding.

9. A sealed, dustproof bearing according to claim 1, characterized in that: The middle position of one side of the first dust ring (8) and the second dust ring (9) is provided with a circular hole, and the size of the circular hole on the first dust ring (8) and the second dust ring (9) is matched with the size of the inner ring (1).

10. A sealed, dustproof bearing according to claim 1, characterized in that: The inner ring (1) and the outer ring (5) are connected by the first dust ring (8) and the second dust ring (9), and the other side of the outer wall of the inner ring (1) and one side of the inner wall of the outer ring (5) are provided with sealing rings.

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