CN213235815U - Bearing and bearing dust cap for reducing external diameter deformation after assembly - Google Patents
Bearing and bearing dust cap for reducing external diameter deformation after assembly Download PDFInfo
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- CN213235815U CN213235815U CN202021948263.2U CN202021948263U CN213235815U CN 213235815 U CN213235815 U CN 213235815U CN 202021948263 U CN202021948263 U CN 202021948263U CN 213235815 U CN213235815 U CN 213235815U
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- bearing
- dust cap
- colloid
- outer diameter
- external diameter
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Abstract
The utility model provides a bearing and reduce bearing shield that external diameter warp after the assembly belongs to the bearing and prevents deformation technical field. The utility model discloses a bearing dust cap, including dust cap and string colloid, the colloid is bonded to the inner wall of dust cap outside diameter department, and the thickness of the colloid at the dust cap outside diameter department is 1.0 +/-0.3 mm, and the external diameter of the colloid at the dust cap outside diameter department is greater than the external diameter of the outer lane draw-in groove; when the dust cover is assembled with the bearing, the rubber hanging body at the outer diameter of the dust cover is clamped in the outer ring clamping groove, and the rubber hanging body extending from the inner wall of the dust cover is in interference fit with the inner ring. The utility model discloses improved the shield effectively and caused the bearing inner race to warp at the pressure equipment in-process, assembly efficiency is high, with low costs.
Description
Technical Field
The utility model belongs to the technical field of the bearing shape of preapring for an unfavorable turn of events, concretely relates to bearing and bearing shield that reduces assembly back external diameter and warp.
Background
When the bearing dust cap product is assembled, the outer diameter of the dust cap is deformed through a special die and then pressed into the sealing groove of the outer ring of the bearing, the outer diameter of the dust cap is deformed greatly in the pressing process, and the outer ring of the bearing is stressed easily to generate plastic deformation, so that the bearing is scrapped.
SUMMERY OF THE UTILITY MODEL
Exist not enoughly among the prior art, the utility model provides a bearing and reduce the bearing shield that the assembly back external diameter warp improves the shield and causes the bearing inner race to warp at the pressure equipment in-process.
The utility model discloses a realize above-mentioned technical purpose through following technological means.
A bearing dust cap capable of reducing external diameter deformation after assembly comprises a dust cap and a hanging colloid, wherein the hanging colloid is bonded from the external diameter position of the dust cap to the inner wall of the dust cap; the thickness of the rubber hanging body at the outer diameter of the dustproof cover is 1.0 +/-0.3 mm.
According to a further technical scheme, the outer diameter of the rubber hanging body at the outer diameter of the dustproof cover is 1.0-1.2mm larger than the outer diameter of the clamping groove of the outer ring.
According to a further technical scheme, the rubber hanging body is made of a rubber material.
The utility model provides a bearing, includes the bearing shield that above-mentioned reduction external diameter warp after the assembly, the kiss-coating body joint of shield external diameter department is in the outer lane draw-in groove, the kiss-coating body and the inner circle interference fit that the shield inner wall extends.
The utility model has the advantages that:
(1) the utility model bonds the colloid from the outer diameter of the dust cover to the inner wall of the dust cover, the thickness of the colloid at the outer diameter of the dust cover is 1.0 +/-0.3 mm, and the outer diameter of the colloid at the outer diameter of the dust cover is larger than the outer diameter of the clamping groove of the outer ring; when the dust cover is assembled with the bearing, the rubber hanging body at the outer diameter of the dust cover is clamped in the outer ring clamping groove, and the rubber hanging body extending from the inner wall of the dust cover is in interference fit with the inner ring. The utility model has the advantages that the colloid is clamped in the outer ring clamping groove, the deformation of the bearing outer ring is mainly elastic deformation, the deformation of the bearing outer ring caused by the dust cap in the press mounting process is effectively improved, and the bearing scrap is reduced; the pressure required in the assembling process is small, and the assembling efficiency is improved.
(2) The utility model discloses a colloid is hung to shield external diameter adopts rubber, and the cost is very low, does not increase the cost.
Drawings
FIG. 1 is a schematic view of the assembly of the dust cap of the bearing for reducing the outer diameter deformation after the assembly of the present invention;
wherein: 1-outer ring, 2-inner ring, 3-dust cap, 4-hanging colloid.
Detailed Description
The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.
As shown in figure 1, the bearing dust cap for reducing the external diameter deformation after assembly of the utility model comprises a dust cap 3 and a colloid 4, wherein the colloid 4 is bonded on the dust cap 3, starts to be bonded from the external diameter of the dust cap 3 and extends to the inner wall of the dust cap 3; the thickness range of the rubber-coated body 4 at the outer diameter of the dustproof cover 3 is 1.0 +/-0.3 mm; and the outer diameter of the rubber hanging body 4 at the outer diameter of the dustproof cover 3 is 1.0-1.2mm larger than the outer diameter of the clamping groove of the outer ring 1. The hanging colloid 4 is made of rubber.
The utility model discloses reduce the bearing shield that the external diameter warp after the assembly when the assembly, the 4 joints of the kiss-coating body of 3 external diameters departments of shield are in the draw-in groove of outer lane 1, the kiss-coating body 4 and the 2 interference fit of inner circle of 3 inner wall extensions of shield.
Taking LR209-2RSXW bearing as an example, the original elliptical deformation of the bearing outer diameter before the dust cap is installed is 0.005mm, the bearing outer diameter elliptical deformation is 0.015mm after the existing dust cap is installed and pressed, and the bearing outer diameter elliptical deformation is 0.01mm after the dust cap is installed and pressed; the utility model discloses for current shield dress pressure back, the oval deformation of bearing external diameter has reduced 0.005mm, the fine oval deformation problem that has improved the bearing.
The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.
Claims (4)
1. The bearing dust cap capable of reducing the outer diameter deformation after assembly is characterized by comprising a dust cap (3) and a hanging colloid (4), wherein the hanging colloid (4) is bonded from the outer diameter position of the dust cap (3) to the inner wall of the dust cap (3); the thickness of the colloid (4) at the outer diameter of the dustproof cover (3) is 1.0 +/-0.3 mm.
2. The bearing dust cap capable of reducing the outer diameter deformation after assembly according to claim 1, wherein the outer diameter of the colloid (4) at the outer diameter of the dust cap (3) is 1.0-1.2mm larger than the outer diameter of the clamping groove of the outer ring (1).
3. The bearing dust cap capable of reducing the deformation of the outer diameter of the assembled bearing dust cap according to claim 2, wherein the hanging colloid (4) is made of a rubber material.
4. A bearing, characterized by, include the bearing dust cap that reduces the external diameter after assembling and warp of any claim 1-3, hang colloid (4) joint in the draw-in groove of outer lane (1) in the department of dust cap (3) external diameter, hang colloid (4) and inner circle (2) interference fit that the inner wall of dust cap (3) extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948263.2U CN213235815U (en) | 2020-09-08 | 2020-09-08 | Bearing and bearing dust cap for reducing external diameter deformation after assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948263.2U CN213235815U (en) | 2020-09-08 | 2020-09-08 | Bearing and bearing dust cap for reducing external diameter deformation after assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235815U true CN213235815U (en) | 2021-05-18 |
Family
ID=75871827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021948263.2U Active CN213235815U (en) | 2020-09-08 | 2020-09-08 | Bearing and bearing dust cap for reducing external diameter deformation after assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235815U (en) |
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2020
- 2020-09-08 CN CN202021948263.2U patent/CN213235815U/en active Active
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