External sealing automobile suspension bearing

Abstract

The utility model provides an external sealing automobile suspension bearing, and belongs to the technical field of automobile accessories. The problem that an existing automobile suspension bearing is not ideal in sealing is solved. The external sealing automobile suspension bearing comprises a bearing lower cover, the top of the bearing lower cover is fixedly connected with a bearing upper cover in a clamped mode, the surfaces of the bearing lower cover and the bearing upper cover are sleeved with rubber sealing rings, inner cavities of the rubber sealing rings are fixedly connected with clamping rings, and clamping gaps are formed in the outer surfaces of the opposite sides of the bearing lower cover and the bearing upper cover. The sealing structure has the advantages that the sealing range is larger, the sealing effect is better, the anti-aging and wear-resisting properties of the sealing structure are stronger, and the service life of the bearing is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories and relates to an automobile suspension bearing, in particular to an externally sealed automobile suspension bearing. Background Art

[0002] Automobile suspension bearings are the general term for a series of force transmission connection devices between the automobile frame and the axle. Their main function is to transmit the force and torque acting between the wheel and the frame, while buffering the impact force transmitted to the frame or body by uneven roads and reducing the vibration caused thereby to ensure that the car can run smoothly.

[0003] After searching, the announcement number is CN220396299U, and the name is a kind of automobile suspension ball bearing, including a bearing upper cover, a bearing lower cover and a rolling element. Through research and analysis, it is found that although it has the advantages of compact structure and good anti-pull-off effect.

[0004] However, the sealing performance of the above-mentioned automobile suspension ball bearing is not good. During use, the sealing ring structure arranged on the outer surface of the connection between the upper and lower bearing covers is relatively simple. Therefore, after long-term use, the aging of the sealing ring will cause external impurities such as dust and dirt to enter the bearing and affect the normal use of the bearing. At the same time, the anti-aging and wear resistance are poor, resulting in a reduced service life of the sealing ring. Summary of the invention

[0005] The purpose of the utility model is to address the above-mentioned problems existing in the prior art and to provide an external sealed automobile suspension bearing with a larger sealing range, better sealing effect, stronger anti-aging and wear resistance of the sealing structure, and longer bearing service life.

[0006] The purpose of the utility model can be achieved through the following technical solutions: an external sealed automobile suspension bearing, including a bearing lower cover, the top of the bearing lower cover is fixedly clamped with a bearing upper cover, the surfaces of the bearing lower cover and the bearing upper cover are sleeved with rubber sealing rings, the inner cavity of the rubber sealing ring is fixedly connected with a clamping ring, and the outer surfaces of the opposite sides of the bearing lower cover and the bearing upper cover are both provided with clamping seams.

[0007] The external sealed automobile suspension bearing is mainly provided with a bearing lower cover, a bearing upper cover, a rubber sealing ring, a snap ring, a snap seam and a friction convex strip on the outer surface of the bearing. The bearing lower cover, the bearing upper cover, the rubber sealing ring, the snap ring, the snap seam and the friction convex strip can increase the sealing range, improve the sealing effect, and the sealing structure has stronger anti-aging and wear resistance, thereby extending the service life of the bearing.

[0008] In the above-mentioned external sealed automobile suspension bearing, the top of the inner cavity of the lower bearing cover is fixedly connected with a lower latching tooth, and the bottom of the outer surface of the upper bearing cover is fixedly connected with an upper latching tooth. In practical applications, by providing the lower latching tooth and the upper latching tooth, the lower bearing cover and the upper bearing cover can be conveniently connected and fixedly connected, and disassembly and assembly are more convenient.

[0009] In the above-mentioned external sealed automobile suspension bearing, a ball is slidably connected between the top of the lower bearing cover and the upper bearing cover, and the inner cavity of the rubber seal ring is connected with the lower bearing cover and the upper bearing cover by interference fit. In practical applications, the rubber seal ring can be conveniently fixed to the bearing surface through interference fit connection, and disassembly and assembly are convenient and quick.

[0010] In the above-mentioned external sealed automobile suspension bearing, the rubber sealing ring includes a sealing ring body, the inner cavity of the sealing ring body is fixedly connected with a reinforcing rib, and the outer surface of the sealing ring body is coated with an anti-aging coating and a wear-resistant coating. In practical applications, the reinforcing rib is made of metal wire. By providing the reinforcing rib, the anti-breaking performance of the sealing ring can be enhanced, and the sealing ring can be effectively prevented from breaking.

[0011] In the above-mentioned external sealed automobile suspension bearing, the inner cavity of the sealing ring body is fixedly connected with a friction ridge, the anti-aging coating is a fluororubber coating, and the wear-resistant coating is a tungsten carbide coating. In practical applications, by providing the friction ridge, the friction between the inner wall of the sealing ring and the bearing can be increased to prevent the sealing ring from sliding on the bearing surface.

[0012] In the above-mentioned external sealed automobile suspension bearing, a plug-in slot is provided at the bottom of the lower cover of the bearing, a rubber plug-in ring is plugged into the inner cavity of the plug-in slot, and a silicone seal ring is welded to the bottom of the rubber plug-in ring. In practical applications, the rubber plug-in ring can be used in conjunction with the plug-in slot and inserted into the interior for installation.

[0013] Compared with the prior art, the advantages of the external sealed automobile suspension bearing are: a larger sealing range and better sealing effect during operation, a stronger anti-aging and wear-resistant performance of the sealing structure, and an extended bearing service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the external sealed automobile suspension bearing Figure 1 .

[0015] Figure 2 It is a front sectional view of the rubber sealing ring of the externally sealed automobile suspension bearing.

[0016] Figure 3 It is a sectional isometric view of the rubber seal ring of the externally sealed automobile suspension bearing.

[0017] Figure 4 This is a schematic diagram of the external sealed automobile suspension bearing Figure 2 .

[0018] In the figure: 1. bearing lower cover; 2. bearing upper cover; 3. rubber sealing ring; 4. ball; 5. snap ring; 6. snap seam; 7. friction ridge; 8. reinforcing rib; 9. anti-aging coating; 10. wear-resistant coating; 11. sealing ring body; 12. lower snap teeth; 13. upper snap teeth; 14. rubber insert ring; 15. silicone sealing ring. DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. Embodiment 1

[0020] like Figure 1 and Figure 2 As shown, the external sealed automobile suspension bearing comprises a bearing lower cover 1, the top of which is fixedly clamped with a bearing upper cover 2, the surfaces of the bearing lower cover 1 and the bearing upper cover 2 are sleeved with a rubber sealing ring 3, the inner cavity of the rubber sealing ring 3 is fixedly connected with a clamping ring 5, and the outer surfaces of the opposite sides of the bearing lower cover 1 and the bearing upper cover 2 are both provided with a clamping slit 6.

[0021] During actual manufacturing, the top of the inner cavity of the lower bearing cover 1 is fixedly connected with the lower latching teeth 12 , and the bottom of the outer surface of the upper bearing cover 2 is fixedly connected with the upper latching teeth 13 .

[0022] In actual manufacturing, a ball 4 is slidably connected between the top of the bearing lower cover 1 and the bearing upper cover 2, and the inner cavity of the rubber sealing ring 3 is connected with the bearing lower cover 1 and the bearing upper cover 2 by interference fit. Embodiment 2

[0023] like Figure 1 and Figure 3 As shown, the external sealed automobile suspension bearing comprises a bearing lower cover 1, the top of which is fixedly clamped with a bearing upper cover 2, the surfaces of the bearing lower cover 1 and the bearing upper cover 2 are sleeved with a rubber sealing ring 3, the inner cavity of the rubber sealing ring 3 is fixedly connected with a clamping ring 5, and the outer surfaces of the opposite sides of the bearing lower cover 1 and the bearing upper cover 2 are both provided with a clamping slit 6.

[0024] During actual manufacturing, the rubber sealing ring 3 comprises a sealing ring body 11 , the inner cavity of the sealing ring body 11 is fixedly connected with a reinforcing rib 8 , and the outer surface of the sealing ring body 11 is coated with an anti-aging coating 9 and a wear-resistant coating 10 .

[0025] During actual manufacturing, the inner cavity of the sealing ring body 11 is fixedly connected with the friction convex strip 7, the anti-aging coating 9 is a fluororubber coating, and the wear-resistant coating 10 is a tungsten carbide coating. Embodiment 3

[0026] like Figure 1 and Figure 4 As shown, the external sealed automobile suspension bearing comprises a bearing lower cover 1, the top of which is fixedly clamped with a bearing upper cover 2, the surfaces of the bearing lower cover 1 and the bearing upper cover 2 are sleeved with a rubber sealing ring 3, the inner cavity of the rubber sealing ring 3 is fixedly connected with a clamping ring 5, and the outer surfaces of the opposite sides of the bearing lower cover 1 and the bearing upper cover 2 are both provided with a clamping slit 6.

[0027] In actual manufacturing, a plug-in groove is provided at the bottom of the bearing lower cover 1 , a rubber plug-in ring 14 is plugged into the inner cavity of the plug-in groove, and a silicone seal ring 15 is welded to the bottom of the rubber plug-in ring 14 .

[0028] During actual manufacturing, after the bearing is assembled, the rubber sealing ring 3 is sleeved on the outer surface of the connection between the bearing lower cover 1 and the bearing upper cover 2. During the sleeve process, the internal snap ring 5 can be inserted into the snap seam 6, which can prevent the rubber sealing ring 3 from falling off the bearing surface and play a limiting role. When the rubber sealing ring 3 is sleeved on the connection between the bearing lower cover 1 and the bearing upper cover 2, the sealing range of the connection can be increased, the sealing effect is better, and impurities such as dust and dirt can be effectively prevented from entering the bearing to ensure the normal performance of the bearing. By arranging an anti-aging coating 9 and a wear-resistant coating 10 on the outer surface of the rubber sealing ring 3, the anti-aging and wear-resistant properties of the sealing structure can be improved. The bearing will not cause impurities to enter the interior due to aging and damage of the sealing structure, thereby extending the service life of the bearing. By arranging a silicone sealing ring 15 at the bottom of the bearing lower cover 1, the sealing between the shaft surface and the bearing can be increased when the connecting shaft is installed, and dust impurities can be prevented from entering the interior, thereby extending the service life of the bearing.

[0029] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. An external sealed automobile suspension bearing, comprising a bearing lower cover (1), characterized in that: The top of the bearing lower cover (1) is fixedly clamped with the bearing upper cover (2); the surfaces of the bearing lower cover (1) and the bearing upper cover (2) are sleeved with rubber sealing rings (3); the inner cavity of the rubber sealing ring (3) is fixedly connected with a clamping ring (5); and the outer surfaces of the bearing lower cover (1) and the bearing upper cover (2) on opposite sides are both provided with clamping slits (6).

2. The external sealed automobile suspension bearing according to claim 1, characterized in that: The top of the inner cavity of the lower bearing cover (1) is fixedly connected with a lower latching tooth (12), and the bottom of the outer surface of the upper bearing cover (2) is fixedly connected with an upper latching tooth (13).

3. The external sealed automobile suspension bearing according to claim 1, characterized in that: A ball (4) is slidably connected between the top of the bearing lower cover (1) and the bearing upper cover (2), and the inner cavity of the rubber sealing ring (3) is connected to the bearing lower cover (1) and the bearing upper cover (2) by interference fit.

4. The external sealed automobile suspension bearing according to claim 1, characterized in that: The rubber sealing ring (3) comprises a sealing ring body (11), the inner cavity of the sealing ring body (11) is fixedly connected with a reinforcing rib (8), and the outer surface of the sealing ring body (11) is coated with an anti-aging coating (9) and a wear-resistant coating (10) respectively.

5. The external sealed automobile suspension bearing according to claim 4, characterized in that: The inner cavity of the sealing ring body (11) is fixedly connected with a friction convex strip (7), the anti-aging coating (9) is a fluororubber coating, and the wear-resistant coating (10) is a tungsten carbide coating.

6. The external sealed automobile suspension bearing according to claim 1, characterized in that: The bottom of the bearing lower cover (1) is provided with an inserting groove, the inner cavity of which is inserted a rubber inserting ring (14), and the bottom of the rubber inserting ring (14) is welded with a silicone sealing ring (15).

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