High-temperature-resistant self-aligning ball bearing with dustproof structure

By setting the sealing side plate body and isolation metal sheet at the side position of the center-aligning ball bearing, and using high-temperature resistant inner layer material, the problem of dust entering the interior affecting rotational smoothness, achieving good sealing effect and high-temperature resistant performance.

CN222910545UActive Publication Date: 2025-05-27SHANDONG DUJU BEARING MFG CO LTD
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Patent Information

Application Number
CN202421974849.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-05-27
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

When used, the existing center-aligning ball bearings have a gap between the ring body due to the socket structure of the inner ring and the outer ring, and dust enters the inside and affects the rotational smoothness of the sphere.

Method used

A high-temperature resistant center-aligning ball bearing with dust-proof structure is designed. By setting a sealed side plate body at the side position supporting the outer ring body and the rotating inner ring body, and using isolation metal sheets and high-temperature resistant inner layer materials, combined with a comprehensive sealing structure and multiple temperature insulation and high-temperature resistant materials, a comprehensive sealing effect and good high-temperature resistance are formed.

Benefits of technology

Effectively prevent dust from entering the inside, maintain the smooth rotation of the ball, and provide better heat resistance and sealing effect in high temperature environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222910545U_ABST
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Abstract

The utility model discloses a high temperature resistant self-aligning ball bearing with a dustproof structure, which relates to the field of self-aligning ball bearings, and comprises a support outer ring body, a sealing side plate body is buckled on the side edge of the support outer ring body, the side edge of the sealing side plate body is provided with an inner through groove, the inner side edge of the inner through groove is fixedly provided with an isolation metal sheet, and the isolation metal sheet is provided with a dustproof structure. Side annular clamping grooves are symmetrically formed in the outer side edge of the supporting outer ring body, inner clamping grooves are symmetrically formed in the inner side edge of the supporting outer ring body, an isolation inner layer is fixedly arranged on the inner side edge of the supporting outer ring body, and a high-temperature-resistant inner layer is fixedly arranged on the inner side edge of the isolation inner layer; matching sealing grooves are symmetrically formed in the two side edges of the supporting outer ring body, a rotating inner ring body is connected to the inner side edge of the supporting outer ring body in a sleeved mode, a comprehensive sealing effect can be formed in the gap positions of the opposite side edges by adopting a comprehensive sealing structure, and the overall high-temperature-resistant effect is better due to multiple heat insulation and high-temperature-resistant material manufacturing.
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Description

Technical Field

[0001] The utility model relates to the technical field of self-aligning ball bearings, in particular to a high-temperature resistant self-aligning ball bearing with a dustproof structure. Background Art

[0002] Self-aligning ball bearings have two structures: cylindrical bore and tapered bore. The cage is made of steel plate, synthetic resin, etc. Its characteristics are that the outer ring raceway is spherical, with automatic self-alignment, which can compensate for the errors caused by non-concentricity and shaft deflection, but the relative inclination of the inner and outer rings shall not exceed 3 degrees. Self-aligning ball bearings are bearings with spherical balls installed between the inner ring with two raceways and the outer ring with a spherical raceway.

[0003] When current self-aligning ball bearings are used, there is a gap between the rings due to the sleeve structure of the inner ring and the outer ring, which causes dust to enter the interior through the gap. The dust entering the interior will affect the smoothness of the ball's rotation, making it impossible to rotate. Utility Model Content

[0004] The purpose of the utility model is to provide a high-temperature resistant self-aligning ball bearing with a dust-proof structure, so as to solve the problem raised in the above background technology that when the existing self-aligning ball bearing is in use, there is a gap between the ring bodies due to the sleeve structure of the inner ring and the outer ring, which causes dust to enter the interior through the gap. The dust entering the interior will affect the smoothness of the rotation of the ball and make it impossible to rotate for use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high temperature resistant self-aligning ball bearing with a dustproof structure comprises a supporting outer ring body, the side edge of the supporting outer ring body is buckled with a sealing side plate body, the side edge of the sealing side plate body is provided with an inner through groove, the inner side edge of the inner through groove is fixedly provided with an isolation metal sheet, the outer side edge of the supporting outer ring body is symmetrically provided with side annular grooves, the inner side edge of the supporting outer ring body is symmetrically provided with inner snap-fit ​​grooves, the inner side edge of the supporting outer ring body is fixedly provided with an isolation inner layer, the inner side edge of the isolation inner layer is fixedly provided with a high temperature resistant inner layer, the The supporting outer ring body is symmetrically provided with matching sealing grooves on both sides, the inner side of the supporting outer ring body is sleeved with a rotating inner ring body, the outer side of the rotating inner ring body is evenly provided with external clamping holes, the inner side of the external clamping holes is clamped with a clamping ball, the rotating inner ring body is symmetrically provided with matching clamping grooves on both sides, an external clamping ring is fixedly provided on one side of the sealing side plate body, a sealing patch is fixedly provided on one side of the sealing side plate body, and a matching sealing ring body is fixedly provided on the side of the sealing patch away from the sealing side plate body.

[0007] As a preferred embodiment of the present utility model: there are two sealing side plates, and the two sealing side plates are arranged parallel to each other, both sealing side plates are made of high temperature resistant materials, and the side edges of the sealing side plates are butt-jointed with the side opening ends of the matching sealing grooves.

[0008] As a preferred embodiment of the utility model: the inner through groove is opened in the center position of the side edge of the sealing side plate, and the interior of the inner through groove is connected with the inner side edge of the rotating inner ring body, the isolation metal sheet is made of high temperature resistant material, and the isolation metal sheet is fixedly arranged at the inner opening end of the inner through groove.

[0009] As a preferred embodiment of the utility model: the side annular clamping groove is symmetrically arranged in a ring shape on the outer side of the supporting outer ring body near the edge position, the inner clamping groove is symmetrically arranged in a ring shape on the inner side edge position of the high temperature resistant inner layer, the isolation inner layer is made of thermal insulation material, the matching sealing groove is symmetrically arranged in a ring shape on both side edges of the supporting outer ring body, and the inner side edge of the matching sealing groove passes through the inner side of the supporting outer ring body and extends to the outside to form an opening.

[0010] As a preferred embodiment of the utility model: the external clamping holes are evenly arranged in a ring shape and equidistantly arranged on the outer side of the rotating inner ring body, the side of the external clamping holes is open, one side of the clamping ball body passes through the open end of the external clamping hole and extends to the inner side of the internal clamping groove, and the matching clamping groove is symmetrically arranged in a ring shape on both side sides of the rotating inner ring body.

[0011] As a preferred embodiment of the present utility model: the outer clamping ring is annularly fixedly arranged on one side of the sealing side plate body near the edge, and the side edge of the outer clamping ring is clamped on the inner side of the side annular clamping groove, the side edge of the sealing patch is buckled and arranged on the side position of the matching sealing groove and the rotating inner ring body, and one side edge of the matching sealing ring body is clamped on the inner side of the matching clamping groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges the sealing side plate body at the two side edge positions of the supporting outer ring body and the rotating inner ring body by snapping, and the outer snap ring of the side is snapped and arranged on the inner side edge of the side annular snap groove, and the sealing patch is snapped and arranged on the inner side edge of the matching sealing groove, and the side edge of the sealing patch is butt-jointed and arranged at the side edge position of the rotating inner ring body, and at the same time, the matching sealing ring body of the side is snapped and arranged inside the matching snap groove, so that the sealing side plate body is fixedly arranged at the side edge position of the supporting outer ring body and the rotating inner ring body, and the sealing side plate body seals the side edge gap position of the supporting outer ring body and the rotating inner ring body, and the isolation of the isolation inner layer can form an isolation treatment for the external high temperature, and the material characteristics of the high temperature resistant inner layer make the overall internal heat resistance better, and the comprehensive sealing structure is adopted, so that the side gap position can form a comprehensive sealing effect, and the overall high temperature resistance effect is better due to the multiple insulation and high temperature resistant materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a high temperature resistant self-aligning ball bearing with a dustproof structure;

[0016] Figure 2 It is a structural schematic diagram of the side view section connection details of the supporting outer ring body of a high temperature resistant self-aligning ball bearing with a dustproof structure;

[0017] Figure 3 It is a schematic structural diagram of the top view cross-section connection details of a support outer ring body of a high temperature resistant self-aligning ball bearing with a dustproof structure;

[0018] Figure 4 It is a schematic structural diagram of the top view cross-section connection details of a rotating inner ring of a high temperature resistant self-aligning ball bearing with a dustproof structure;

[0019] Figure 5 The present invention is a schematic structural diagram of the top view cross-sectional connection details of a sealing side plate of a high-temperature resistant self-aligning ball bearing with a dustproof structure.

[0020] In the figure: 1. Support outer ring body; 2. Sealing side plate body; 3. Inner through groove; 4. Isolation metal sheet; 5. Side annular groove; 6. Inner snap-in groove; 7. Isolation inner layer; 8. High temperature resistant inner layer; 9. Matching sealing groove; 10. Rotating inner ring body; 11. External snap-in hole; 12. Snap-in ball body; 13. Matching snap-in groove; 14. External snap-in ring; 15. Sealing patch; 16. Matching sealing ring body. DETAILED DESCRIPTION

[0021] See also Figure 1-2In the embodiment of the utility model, a high temperature resistant self-aligning ball bearing with a dustproof structure includes a supporting outer ring body 1, the side edge of the supporting outer ring body 1 is buckled with a sealing side plate body 2, the number of the sealing side plate bodies 2 is two, and the two sealing side plate bodies 2 are arranged parallel to each other, the two sealing side plate bodies 2 are made of high temperature resistant materials, the side edge of the sealing side plate body 2 is butt-jointed at the side opening end of the matching sealing groove 9, the side edge of the sealing side plate body 2 is provided with an inner through groove 3, the inner side edge of the inner through groove 3 is fixedly provided with an isolation metal sheet 4, and the inner through groove 3 is through-opened It is arranged at the center position of the side edge of the sealing side plate body 2, and the inside of the inner through groove 3 is connected with the inner side edge of the rotating inner ring body 10, the isolation metal sheet 4 is made of high temperature resistant material, and the isolation metal sheet 4 is fixedly arranged at the inner opening end of the inner through groove 3, the outer side edge of the supporting outer ring body 1 is symmetrically provided with a side annular groove 5, and the inner side edge of the supporting outer ring body 1 is symmetrically provided with an inner snap-fit ​​groove 6, the side annular groove 5 is symmetrically arranged at the outer side edge of the supporting outer ring body 1 near the edge, and the inner snap-fit ​​groove 6 is symmetrically arranged at the inner side edge position of the high temperature resistant inner layer 8 in a ring shape;

[0022] See also Figure 3-5 In an embodiment of the utility model, a high-temperature resistant self-aligning ball bearing with a dustproof structure is provided, wherein an inner side edge of a supporting outer ring body 1 is fixedly provided with an isolation inner layer 7, an inner side edge of the isolation inner layer 7 is fixedly provided with a high-temperature resistant inner layer 8, and matching sealing grooves 9 are symmetrically provided on both sides of the supporting outer ring body 1, and the isolation inner layer 7 is made of a heat-insulating material. The matching sealing grooves 9 are symmetrically provided on both sides of the supporting outer ring body 1 in an annular shape, and the inner side edge of the matching sealing grooves 9 penetrates the inner side of the supporting outer ring body 1 and extends to the outer side in an open shape, and a rotating inner ring body 10 is sleeved on the inner side edge of the supporting outer ring body 1, and external clamping holes 11 are evenly provided on the outer side edge of the rotating inner ring body 10, and a clamping ball 12 is clamped on the inner side edge of the external clamping hole 11, and matching clamping grooves 13 are symmetrically provided on both sides of the rotating inner ring body 10, and the external clamping holes 11 are evenly arranged in an annular shape and equidistantly arranged on the rotating inner ring body 1 0, the side of the outer snap-in hole 11 is open, one side of the snap-in ball 12 passes through the open end of the outer snap-in hole 11 and extends to the inner side of the inner snap-in groove 6, the matching snap-in groove 13 is annularly symmetrically opened on both side sides of the rotating inner ring body 10, one side of the sealing side plate body 2 is fixedly provided with an outer snap-in ring 14, one side of the sealing side plate body 2 is fixedly provided with a sealing patch 15, and the sealing patch 15 is fixedly provided with a matching sealing ring body 16 on a side away from the sealing side plate body 2, the outer snap-in ring 14 is annularly fixedly arranged on one side of the sealing side plate body 2 near the edge position, and the side of the outer snap-in ring 14 is snap-connected to the inner side of the side annular snap-in groove 5, the side of the sealing patch 15 is buckled and arranged at the side positions of the matching sealing groove 9 and the rotating inner ring body 10, and one side of the matching sealing ring body 16 is snap-connected to the inner side of the matching snap-in groove 13.

[0023] The working principle of the utility model is:

[0024] The sealing side plate body 2 is snap-fitted and set on the two side edges of the supporting outer ring body 1 and the rotating inner ring body 10, and the outer side snap-fit ​​ring 14 is snap-fitted on the inner side of the side annular snap-fit ​​groove 5, and the sealing patch 15 is snap-fitted on the inner side of the matching sealing groove 9, and the side of the sealing patch 15 is docked and set on the side position of the rotating inner ring body 10, and at the same time, the side matching sealing ring body 16 is snap-fitted inside the matching snap-fit ​​groove 13, so that the sealing side plate body 2 is fixedly set on the side position of the supporting outer ring body 1 and the rotating inner ring body 10, and the sealing side plate body 2 is used to seal the side gap position of the supporting outer ring body 1 and the rotating inner ring body 10, and under the isolation of the isolation inner layer 7, the external high temperature can be isolated, and the overall internal heat resistance is better due to the material properties of the high temperature resistant inner layer 8.

[0025] What is described above 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 high temperature resistant self-aligning ball bearing with a dustproof structure, comprising a supporting outer ring body (1), characterized in that: The side edge of the supporting outer ring body (1) is buckled with a sealing side plate body (2), the side edge of the sealing side plate body (2) is provided with an inner through groove (3), the inner side edge of the inner through groove (3) is fixedly provided with an isolation metal sheet (4), the outer side edge of the supporting outer ring body (1) is symmetrically provided with a side annular clamping groove (5), the inner side edge of the supporting outer ring body (1) is symmetrically provided with an inner clamping groove (6), the inner side edge of the supporting outer ring body (1) is fixedly provided with an isolation inner layer (7), the inner side edge of the isolation inner layer (7) is fixedly provided with a high temperature resistant inner layer (8), and the two sides of the supporting outer ring body (1) are symmetrically provided with matching sealing grooves (9). ), the inner side edge of the supporting outer ring body (1) is sleeved with a rotating inner ring body (10), the outer side edge of the rotating inner ring body (10) is evenly provided with external snap-in holes (11), the inner side edge of the external snap-in holes (11) is snap-fitted with a snap-in ball (12), the two sides of the rotating inner ring body (10) are symmetrically provided with matching snap-in grooves (13), one side edge of the sealing side plate body (2) is fixedly provided with an external snap-in ring (14), one side edge of the sealing side plate body (2) is fixedly provided with a sealing patch (15), and the sealing patch (15) is fixedly provided with a matching sealing ring body (16) on the side away from the sealing side plate body (2).

2. The high temperature resistant self-aligning ball bearing with a dustproof structure according to claim 1, characterized in that: The number of the sealing side plates (2) is two, and the two sealing side plates (2) are arranged parallel to each other. The two sealing side plates (2) are both made of high temperature resistant materials, and the side edges of the sealing side plates (2) are butt-jointed with the side opening ends of the matching sealing grooves (9).

3. The high temperature resistant self-aligning ball bearing with a dustproof structure according to claim 1, characterized in that: The inner through groove (3) is opened through the center of the side edge of the sealing side plate (2), and the interior of the inner through groove (3) is connected to the inner side edge of the rotating inner ring body (10). The isolation metal sheet (4) is made of high temperature resistant material, and the isolation metal sheet (4) is fixedly arranged at the inner opening end of the inner through groove (3).

4. The high temperature resistant self-aligning ball bearing with a dustproof structure according to claim 1, characterized in that: The side annular clamping groove (5) is symmetrically arranged on the outer side of the supporting outer ring body (1) near the edge, the inner clamping groove (6) is symmetrically arranged on the inner side of the high temperature resistant inner layer (8), the insulating inner layer (7) is made of a heat insulating material, the matching sealing groove (9) is symmetrically arranged on the two side edges of the supporting outer ring body (1), and the inner side edge of the matching sealing groove (9) penetrates the inner side of the supporting outer ring body (1) and extends to the outer side to form an opening.

5. The high temperature resistant self-aligning ball bearing with a dustproof structure according to claim 1, characterized in that: The outer snap-fit ​​holes (11) are evenly arranged in an annular shape and equidistantly arranged on the outer side of the rotating inner ring body (10); the side of the outer snap-fit ​​holes (11) is open; one side of the snap-fit ​​ball (12) passes through the open end of the outer snap-fit ​​hole (11) and extends to the inner side of the inner snap-fit ​​groove (6); the matching snap-fit ​​groove (13) is symmetrically arranged in an annular shape on both side sides of the rotating inner ring body (10).

6. The high temperature resistant self-aligning ball bearing with a dustproof structure according to claim 1, characterized in that: The outer snap ring (14) is annularly fixedly arranged on one side of the sealing side plate body (2) near the edge, and the side edge of the outer snap ring (14) is snap-fitted to the inner side edge of the side annular snap groove (5), the side edge of the sealing patch (15) is snap-fitted to the side edge of the matching sealing groove (9) and the rotating inner ring body (10), and the side edge of the matching sealing ring body (16) is snap-fitted to the inner side edge of the matching snap groove (13).