A self-correcting bearing and seal assembly
By designing a multi-channel sealing structure in self-calibration bearings, the problem of poor dust protection effect of existing self-calibration bearings is solved, and the multiple sealing and sealing performance of bearings is significantly improved.
Patent Information
- Application Number
- CN202420830256.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing self-calibration bearing dustproofing measures are poor, which can easily cause dust to enter the bearing and accelerate the wear of the bearing.
A self-correcting bearing and seal assembly is designed, and a multi-sealing effect is formed to improve the sealing performance of the bearing by providing a multi-sealing structure between the inner and outer rings, including a sealing ring, a fixing ring, a connecting ring and a limiting ring.
Multiple seals of bearings are achieved, which significantly improves the sealing performance of bearings and prevents dust from entering, thereby extending the service life of bearings.
Smart Images
Figure CN222746461U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sealing component assemblies, in particular to a self-correcting bearing and sealing component assembly. Background Art
[0002] Deep groove ball bearings, formerly known as radial ball bearings, are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads of radial and axial forces. They can also be used on parts that bear axial loads, such as low-power motors, automobile and tractor gearboxes, machine tool gearboxes, general machines, tools, etc. However, the current self-correcting bearings have poor dust prevention measures, which can easily lead to dust entering the bearings during use, accelerating the wear of the bearings. Utility Model Content
[0003] In view of the above problems existing in the existing self-correcting bearings, the present utility model is proposed.
[0004] Therefore, the purpose of the utility model is to provide a self-correcting bearing and sealing assembly, which solves the problem that the dust-proof measures of the self-correcting bearing in the prior art are poor, which easily leads to dust entering the bearing during use and accelerates the wear of the bearing.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A self-correcting bearing and sealing component assembly comprises an inner ring and an outer ring, wherein the inner ring is arranged on the inner side of the outer ring, an arc groove is provided in the middle of one side of the inner ring close to the outer ring, a plurality of first balls are rollingly embedded in the inner side of the arc groove, first annular grooves and second annular grooves are respectively provided on the outer walls on both sides of the inner ring and the inner walls on both sides of the outer ring, first fixing rings and second fixing rings are respectively fixedly sleeved on the outer wall of the first annular groove and the inner wall of the second annular groove, a sealing ring is provided between the first fixing ring and the second fixing ring, a third annular groove is provided on the inner wall and the outer wall of the sealing ring, one side of the first fixing ring and the second fixing ring respectively extends to the inner side of the corresponding third annular groove, and a sealing mechanism for improving the sealing performance between the inner ring and the outer ring is provided between the inner ring and the outer ring and between the two sealing rings.
[0007] Preferably, the sealing mechanism includes a first limiting ring and a second limiting ring, the inner walls on both sides of the outer ring are fixedly sleeved with a first connecting ring, a U-shaped ring is fixedly provided on the side of the first connecting ring away from the ball, the first limiting ring is fixedly provided on the inner side of the U-shaped ring, a second connecting ring is fixedly provided on the side of the sealing ring close to the first connecting ring, a third fixing ring is fixedly provided on the side of the second connecting ring away from the sealing ring, the second limiting ring is fixedly sleeved on the outer wall of the third fixing ring, and the second limiting ring conflicts with the side of the first limiting ring close to the U-shaped ring.
[0008] Preferably, a second ball is routably embedded on one side of the first fixing ring and the second fixing ring close to the corresponding third annular groove.
[0009] Preferably, surfaces of the first limiting ring and the second limiting ring are coated with a wear-resistant coating.
[0010] Preferably, the first rolling ball is a wear-resistant steel ball.
[0011] A self-correcting bearing includes a seal assembly.
[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0013] The utility model realizes a first sealing of the bearing by clamping the first fixing ring and the second fixing ring together through the sealing ring, the first connecting ring and the U-shaped ring seal between the sealing ring and the outer ring, and the second sealing, the second connecting ring and the third fixing ring seal between the sealing ring and the inner ring, and the third sealing, the first limiting ring and the second limiting ring seal between the third fixing ring and the first connecting ring, and the fourth sealing, that is, multiple sealing of the bearing is realized, which can greatly improve the sealing performance of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0015] Figure 1 This is a schematic structural diagram of a self-correcting bearing and seal assembly proposed by the utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;
[0017] Figure 3 for Figure 2 A three-dimensional diagram of the connection structure of the first connecting ring, U-shaped ring and first limiting ring.
[0018] Figure 4 for Figure 2 A three-dimensional diagram of the connection structure of the second connecting ring, the fixing ring and the second limiting ring
[0019] Description of reference numerals:
[0020] 1. Outer ring; 2. Inner ring; 3. First ball; 4. Sealing ring; 5. First fixing ring; 6. Second fixing ring; 7. Second ball; 8. First connecting ring; 9. U-shaped ring; 10. First limiting ring; 11. Second connecting ring; 12. Third fixing ring; 13. Second limiting ring. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] The utility model embodiment discloses a self-correcting bearing and sealing component assembly.
[0023] Embodiment 1
[0024] Reference Figure 1-4 A self-correcting bearing and seal assembly comprises an inner ring 2 and an outer ring 1, wherein the inner ring 2 is arranged on the inner side of the outer ring 1, and an arc groove is provided in the middle of the side close to the inner ring 2 and the outer ring 1, and a plurality of first balls 3 are rollingly embedded in the inner side of the arc groove, and the first balls 3 are wear-resistant steel balls, which improve the wear resistance of the first balls 3, and the outer walls on both sides of the inner ring 2 and the inner walls on both sides of the outer ring 1 are respectively provided with first annular grooves and second annular grooves, and the outer wall of the first annular groove and the inner wall of the second annular groove are respectively fixedly sleeved with a first fixing ring 5 and a second fixing ring 6, and a sealing ring 4 is provided between the first fixing ring 5 and the second fixing ring 6, and the inner wall and the outer wall of the sealing ring 4 are both provided with a third annular groove, and one side of the first fixing ring 5 and the second fixing ring 6 respectively extends to the inner side of the corresponding third annular groove, and the first fixing ring 5 and the second fixing ring 6 are rollingly embedded with a second ball 7 on one side close to the corresponding third annular groove, so that the first fixing ring 5 and the second fixing ring 6 can smoothly rotate relative to the sealing ring 4.
[0025] Embodiment 2
[0026] Reference Figure 1-4A sealing mechanism for improving the sealing performance between the inner ring 2 and the outer ring 1 is arranged between the inner ring 2 and the outer ring 1 and between the two sealing rings 4. The sealing mechanism includes a first limiting ring 10 and a second limiting ring 13. The inner walls on both sides of the outer ring 1 are fixedly sleeved with a first connecting ring 8. A U-shaped ring 9 is fixedly arranged on the side of the first connecting ring 8 away from the ball. The first limiting ring 10 is fixedly arranged on the inner side of the U-shaped ring 9. A second connecting ring 11 is fixedly arranged on the side of the sealing ring 4 close to the first connecting ring 8. A third fixing ring 12 is fixedly arranged on the side of the second connecting ring 11 away from the sealing ring 4. The second limiting ring 13 is fixedly sleeved on the outer wall of the third fixing ring 12. The second limiting ring 13 conflicts with the side of the first limiting ring 10 close to the U-shaped ring 9. The surfaces of the first limiting ring 10 and the second limiting ring 13 are coated with a wear-resistant coating to improve the wear resistance of the first limiting ring 10 and the second limiting ring 13.
[0027] A self-correcting bearing includes a seal assembly.
[0028] In the utility model, when in use, the sealing ring 4 cooperates with the first fixing ring 5 and the second fixing ring 6 to clamp the bearing, and serves as the first sealing. The first connecting ring 8 and the U-shaped ring 9 seal the sealing ring 4 and the outer ring 1, and serve as the second sealing. The second connecting ring 11 and the third fixing ring 12 seal the sealing ring 4 and the inner ring 2, and serve as the third sealing. The first limiting ring 10 and the second limiting ring 13 seal the third fixing ring 12 and the first connecting ring 8, and serve as the fourth sealing. That is, multiple sealing of the bearing is achieved, which can greatly improve the sealing performance of the bearing.
[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A seal assembly, comprising an inner ring (2) and an outer ring (1), characterized in that: The inner ring (2) is arranged on the inner side of the outer ring (1); an arc groove is provided in the middle of the side close to the outer ring (1); a plurality of first balls (3) are rollingly embedded in the inner side of the arc groove; first annular grooves and second annular grooves are respectively provided on the outer walls of both sides of the inner ring (2) and the inner walls of both sides of the outer ring (1); a first fixing ring (5) and a second fixing ring (6) are respectively fixedly sleeved on the outer wall of the first annular groove and the inner wall of the second annular groove; a sealing ring (4) is provided between the first fixing ring (5) and the second fixing ring (6); a third annular groove is provided on the inner wall and the outer wall of the sealing ring (4); one side of the first fixing ring (5) and the second fixing ring (6) respectively extends to the inner side of the corresponding third annular groove; a sealing mechanism for improving the sealing performance between the inner ring (2) and the outer ring (1) is provided between the inner ring (2) and the outer ring (1) and between the two sealing rings (4).
2. The seal assembly according to claim 1, characterized in that The sealing mechanism comprises a first limiting ring (10) and a second limiting ring (13); the inner walls on both sides of the outer ring (1) are fixedly sleeved with a first connecting ring (8); a U-shaped ring (9) is fixedly arranged on the side of the first connecting ring (8) away from the ball; the first limiting ring (10) is fixedly arranged on the inner side of the U-shaped ring (9); a second connecting ring (11) is fixedly arranged on the side of the sealing ring (4) close to the first connecting ring (8); a third fixing ring (12) is fixedly arranged on the side of the second connecting ring (11) away from the sealing ring (4); the second limiting ring (13) is fixedly sleeved on the outer wall of the third fixing ring (12); the second limiting ring (13) is in conflict with the side of the first limiting ring (10) close to the U-shaped ring (9).
3. The seal assembly according to claim 1, characterized in that A second ball (7) is rotatably embedded on one side of the first fixing ring (5) and the second fixing ring (6) close to the corresponding third annular groove.
4. The seal assembly according to claim 2, characterized in that: The surfaces of the first limiting ring (10) and the second limiting ring (13) are both coated with a wear-resistant coating.
5. The seal assembly according to claim 1, characterized in that: The first rolling ball (3) is a wear-resistant steel ball.
6. A self-correcting bearing, characterized in that: A sealing component comprising any one of claims 1-5.