Damping bearing

Abstract

The utility model discloses a damping bearing which comprises a bearing body provided with an inner ring and an outer ring; the sealing ring is arranged between the inner ring and the outer ring and is attached to the inner ring, so that the inner ring rotates to generate damping; and the dustproof cover is arranged between the inner ring and the outer ring and is attached to the sealing ring, so that when the bearing rotates, the sealing ring is fixed with the outer ring. The sealing ring has the advantages that the supporting performance of the sealing ring can be effectively improved by arranging the framework in the sealing ring, the sealing ring is fastened by additionally arranging the dustproof cover, and the sealing ring can be kept not to rotate along with the sealing ring when the bearing inner ring rotates, so that the resistance effect can be generated by utilizing the friction between the sealing ring and the bearing inner ring.

Description

Technical Field

[0001] The utility model relates to the field of bearings, in particular to a damping bearing. Background Art

[0002] In the automotive industry, the trunk of a car is an essential functional device for each vehicle. However, the existing trunk lifting device of a car relies on the resistance of a common damping bearing and the support of a motor to achieve the resistance effect at the same time, which has relatively large defects such as increased production costs and waste of resources.

[0003] When the torque of the existing common damping bearing structure is increased to more than 200 mNm, it is difficult to assemble the bearing. When the bearing rotates, the sealing ring rotates with it and cannot be fixed to the outer ring, failing to meet the usage requirements. Summary of the Utility Model

[0004] In order to solve the defects existing in the above-mentioned prior art, the utility model provides a damping bearing.

[0005] The technical solution of the utility model is realized as follows: A damping bearing, comprising: a bearing body having an inner ring and an outer ring; a sealing ring disposed between the inner ring and the outer ring and fitting against the inner ring to generate damping when the inner ring rotates; a dust cover disposed between the inner ring and the outer ring and fitting against the sealing ring so that when the bearing rotates, the sealing ring is fixed to the outer ring.

[0006] In one embodiment, the sealing ring includes a skeleton and an outer cover, and the outer cover covers the outer layer of the skeleton.

[0007] In one embodiment, the outer cover is made of rubber.

[0008] In one embodiment, the outer ring is provided with a rabbet and an outer rib, the sealing ring abuts against the outer rib, and the dust cover abuts against the rabbet.

[0009] In one embodiment, the dust cover includes an arc-shaped abutting portion and a shielding portion. One side of the arc-shaped shielding portion abuts against the rabbet, and the other side abuts against the sealing ring, thereby fixing the sealing ring to the outer ring.

[0010] In one embodiment, a first annular groove is provided on the outer rib, a second annular groove is provided on the inner ring, and balls are disposed in the first annular groove and the second annular groove.

[0011] The advantages of the utility model are as follows: By arranging a skeleton in the sealing ring, the supportability of the sealing ring can be effectively improved. By adding a dust cover, the sealing ring is fastened. When the inner ring of the bearing rotates, the sealing ring can be kept from rotating therewith, so that the resistance effect can be generated by using the friction between the sealing ring and the inner ring of the bearing. Brief Description of the Drawings

[0012] Figure 1 This is a perspective view of a damping bearing provided by the present utility model;

[0013] Figure 2 This is a front view of a damping bearing provided by the present utility model;

[0014] Figure 3 This is a cross-sectional view of the present utility model taken along A-A according to Figure 2 ;

[0015] Figure 4 This is a perspective view of a dust cover provided by the present utility model;

[0016] Figure 5 This is a perspective view of a sealing ring provided by the present utility model.

[0017] In the figure, inner ring 11, second annular groove 111, outer ring 12, rabbet 121, outer retaining edge 122, first annular groove 123, ball 13, sealing ring 2, outer package 21, skeleton 22, dust cover 3, arc abutting portion 31, shielding portion 32. Detailed Description of the Preferred Embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0019] As Figures 1 to 5 shown, the present utility model discloses a damping bearing, comprising: a bearing body having an inner ring 11 and an outer ring 12; a sealing ring 2 disposed between the inner ring 11 and the outer ring 12 and fitting against the inner ring 11 to generate damping when the inner ring 11 rotates; a dust cover 3 disposed between the inner ring 11 and the outer ring 12 and fitting against the sealing ring 2 so that when the bearing rotates, the sealing ring 2 is fixed to the outer ring 12.

[0020] It is worth mentioning that, as Figure 3 shown, a sealing ring 2 is respectively disposed on both sides of the bearing body, and the two sealing rings 2 are symmetrically installed. A dust cover 3 is disposed on the outer sides of the two sealing rings 2 to respectively fix the sealing rings 2.

[0021] Preferably, as Figure 3 shown, the sealing ring 2 includes a skeleton 22 and an outer package 21, and the outer package 21 covers the outer layer of the skeleton 22.

[0022] Preferably, the outer package 21 is made of rubber, and the rubber material has a good friction damping effect on the inner ring 11.

[0023] Preferably, the outer ring 12 is provided with a rabbet 121 and an outer retaining edge 122. The sealing ring 2 abuts against the outer retaining edge 122, and the dust cover 3 abuts against the rabbet 121.

[0024] Preferably, as Figure 4 shown, the dust cover 3 includes an arc-shaped abutting portion 31 and a shielding portion 32. One side of the arc-shaped shielding portion 32 abuts against the rabbet 121, and the other side abuts against the sealing ring 2, so that the sealing ring 2 is fixed to the outer ring 12.

[0025] Preferably, a first annular groove 123 is provided on the outer retaining edge 122, a second annular groove 11 is provided on the inner ring 11, and the balls 13 are arranged in the first annular groove 123 and the second annular groove 11.

[0026] It is worth mentioning that the damping bearing 15x28x8.5RS / Z in this embodiment adopts the structure of the sealing ring 2, and the iron dust cover 3 is added so that the sealing ring 2 does not rotate when the inner ring 11 rotates. The torque of the damping bearing 15x28x8.5RS / Z can reach more than 500 mNm. Without the premise of a motor when used in the trunk of an automobile, a better resistance effect can be achieved, and it is convenient for installation and use.

[0027] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A damping bearing, characterized in that, Comprising: A bearing body having an inner ring and an outer ring; A sealing ring disposed between the inner ring and the outer ring and adhered to the inner ring to generate damping when the inner ring rotates; A dust cover disposed between the inner ring and the outer ring and adhered to the sealing ring so that when the bearing rotates, the sealing ring is fixed to the outer ring.

2. The damping bearing according to claim 1, characterized in that The sealing ring includes a skeleton and an outer cover, and the outer cover covers the outer layer of the skeleton.

3. The damping bearing according to claim 2, characterized in that, The outer cover is made of rubber.

4. The damping bearing according to claim 1, characterized in that, The outer ring is provided with a rabbet and an outer retaining edge, the sealing ring abuts against the outer retaining edge, and the dust cover abuts against the rabbet.

5. The damping bearing according to claim 4, characterized in that, The dust cover includes an arc-shaped abutting portion and a shielding portion, one side of the arc-shaped shielding portion abuts against the rabbet, and the other side abuts against the sealing ring, so that the sealing ring is fixed to the outer ring.

6. The damping bearing according to claim 5, wherein A first annular groove is provided on the outer retaining edge, a second annular groove is provided on the inner ring, and the balls are disposed in the first annular groove and the second annular groove.

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