Automobile hub bearing sealing ring assembly

Abstract

The utility model discloses an automobile hub bearing sealing ring assembly, which relates to the technical field of sealing rings, and comprises a sealing ring body placed in a bearing insertion ring, a hanging lug is arranged on the outer side of the sealing ring body, a pressing ring for pressing the sealing ring body is arranged above the bearing insertion ring, and the hanging lug is arranged on the outer side of the sealing ring body. Hooks capable of hooking the hanging lugs are arranged on the outer wall of the pressing ring in the bearing inserting ring, a fastening groove matched with the sealing ring body is formed in the bottom end of the pressing ring, an inserting hole is formed in the top end of the bearing inserting ring, and a fastening hole is formed in the top end of the pressing ring. A screw rod which is fastened in the insertion hole to fasten the pressing ring and the bearing insertion ring into a whole is arranged in the fastening hole in a penetrating mode, and a containing groove is formed in the inner wall of the bearing insertion ring. The hanging lug and the sealing ring body are driven by the hook, so that the sealing ring body is taken out from the interior of the bearing insertion ring, the sealing ring body can be taken out to be replaced by taking down the hanging lug from the hook, and the sealing ring is conveniently replaced by the structure.

Description

Technical Field

[0001] This utility model relates to the field of sealing ring technology, specifically to a sealing ring assembly for automotive wheel hub bearings. Background Technology

[0002] The main function of automotive wheel hub bearings is to bear weight and provide precise guidance for the rotation of the wheel hub. They bear both axial and radial loads, making them a very important component. Traditional automotive wheel bearings consist of two sets of tapered roller bearings or ball bearings. The installation, lubrication, sealing, and clearance adjustment of the bearings are all carried out on the automotive production line. The bearing seal assembly plays a crucial role in ensuring the normal operation of the bearing. It not only prevents external contaminants from entering but also ensures that lubricant does not leak, thereby extending the service life of the bearing.

[0003] Traditional automotive wheel hub bearing seal assemblies consist of rubber products bonded to steel inserts, with the seal assembly fixed in a groove on the outer ring. This type of seal assembly requires care to avoid bending or cutting the sealing lip.

[0004] Traditional automotive wheel hub bearing seal assemblies are made of rubber and require replacement after prolonged use. However, traditional seal assemblies tend to stick between the wheel hub bearing and the bearing mounting groove, making them difficult to remove and replace. Utility Model Content

[0005] The purpose of this invention is to provide an automotive wheel hub bearing sealing ring assembly to solve the problem of difficult replacement of the sealing ring mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automotive wheel hub bearing sealing ring assembly, comprising a sealing ring body placed inside the bearing insert ring, a lug on the outer side of the sealing ring body, a clamping ring above the bearing insert ring for pressing the sealing ring body, and a hook that can hook the lug on the outer wall of the clamping ring inside the bearing insert ring.

[0007] The bottom end of the compression ring is provided with a fastening groove that matches the sealing ring body, the top end of the bearing insert ring is provided with an insertion hole, and the top end of the compression ring is provided with a fastening hole. A screw is inserted into the fastening hole to fasten the compression ring and the bearing insert ring together.

[0008] Preferably, the inner wall of the bearing ring is provided with a placement groove, the sealing ring body matches the placement groove, and the fastening groove matches the sealing ring body.

[0009] Preferably, a fixing spring is installed at the bottom end of the clamping ring below the fastening hole, and a washer is installed at the bottom end of the fixing spring.

[0010] Preferably, the position of the hanging ear corresponds to that of the hook, and the opening size of the hanging ear matches that of the hook.

[0011] Preferably, the loop is made of an elastic material and can be fitted onto the hook.

[0012] Preferably, the bottom ends of the screws all pass through the clamping ring, and the bottom ends of the screws all extend into the interior of the insertion hole.

[0013] Preferably, each of the insertion holes has internal threads, and the screws are all connected to the insertion holes via threads.

[0014] Preferably, the fixing springs are all sleeved on the outer wall of the screw, and the internal space of the fixing springs is larger than the outer diameter of the screw.

[0015] Compared with the prior art, the beneficial effects of this utility model are: by rotating the screw in the opposite direction, the screw is screwed out from the inside of the insertion hole, and under the reaction force of the fixed spring, the clamping ring can be pushed out from the inside of the bearing insertion ring. The hook drives the hanging ear and the sealing ring body, so that the sealing ring body can be taken out from the inside of the bearing insertion ring. The hanging ear can be removed from the hook, and the sealing ring body can be taken out for replacement. This structure realizes convenient replacement of the sealing ring. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the front sectional view of the present invention;

[0018] Figure 3 This is a top view of the sealing ring body.

[0019] Figure 4 This is a bottom view of the clamping ring structure.

[0020] In the diagram: 1. Bearing insert ring; 2. Washer; 3. Screw; 4. Compression ring; 5. Fastening hole; 6. Fixing spring; 7. Placement groove; 8. Hanging lug; 9. Hook; 10. Insertion hole; 11. Fastening groove; 12. Sealing ring body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figure 1-4 A sealing ring assembly for an automotive wheel hub bearing includes a sealing ring body 12 placed inside a bearing insert ring 1, a lug 8 on the outer side of the sealing ring body 12, a clamping ring 4 above the bearing insert ring 1 for pressing the sealing ring body 12, and a hook 9 on the outer wall of the clamping ring 4 inside the bearing insert ring 1 for hooking the lug 8.

[0023] The bottom end of the compression ring 4 is provided with a fastening groove 11 that matches the sealing ring body 12, the top end of the bearing insert ring 1 is provided with an insertion hole 10, the top end of the compression ring 4 is provided with a fastening hole 5, and a screw 3 that is fastened in the insertion hole 10 to fasten the compression ring 4 and the bearing insert ring 1 together is inserted into the fastening hole 5.

[0024] The inner wall of the bearing ring 1 is provided with a placement groove 7, the sealing ring body 12 is matched with the placement groove 7, and the fastening groove 11 is matched with the sealing ring body 12.

[0025] A fixing spring 6 is installed at the bottom end of the clamping ring 4 below the fastening hole 5, and a washer 2 is installed at the bottom end of the fixing spring 6.

[0026] The position of the loop 8 corresponds to that of the hook 9, and the opening size of the loop 8 matches that of the hook 9;

[0027] The loop 8 is made of elastic material and can be fitted onto the hook 9;

[0028] The bottom ends of the screws 3 all pass through the clamping rings 4, and the bottom ends of the screws 3 all extend into the interior of the insertion holes 10;

[0029] The interior of each socket 10 is provided with threads, and each screw 3 is connected to the socket 10 by threads;

[0030] All the fixing springs 6 are sleeved on the outer wall of the screw 3, and the internal space of the fixing springs 6 is larger than the outer diameter of the screw 3;

[0031] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when using this mechanism, the screw 3 is rotated by a tool to gradually screw the screw 3 into the interior of the insertion hole 10. During this process, the clamping ring 4 moves down continuously, causing the gasket 2 to abut against the top of the bearing insert ring 1, and the fixing spring 6 to be continuously compressed. The clamping ring 4 will also exert a squeezing effect on the sealing ring body 12. By rotating the screw 3 in the opposite direction, the sealing ring body 12 can be removed from the interior of the bearing insert ring 1. The lug 8 can be removed from the hook 9 to replace the sealing ring body 12.

[0032] Working principle: During use, the operator places the sealing ring body 12 inside the fastening groove 11, hangs the lug 8 on the hook 9 to fix the sealing ring body 12, then places the clamping ring 4 directly above the bearing insert ring 1, and inserts the screw 3 into the fastening hole 5, allowing it to pass through the clamping ring 4 and into the insert hole 10. The screw 3 is then rotated using a tool to gradually screw it into the insert hole 10. During this process, the clamping ring 4 continuously moves downward, causing the gasket 2 to abut against the top of the bearing insert ring 1, and continuously compressing the fixing spring 6. The clamping ring 4 will... The compression effect on the sealing ring body 12 makes the sealing ring body 12 fit more closely with the inner wall of the bearing insert ring 1 and the wheel hub bearing, thus improving the sealing effect. If the sealing ring body 12 needs to be replaced, the operator can rotate the screw 3 in the opposite direction to unscrew the screw 3 from the inside of the insertion hole 10. Under the reaction force of the fixed spring 6, the clamping ring 4 can be pushed out from the inside of the bearing insert ring 1, and the hook 9 drives the hanging ear 8 and the sealing ring body 12 to remove the sealing ring body 12 from the inside of the bearing insert ring 1. The hanging ear 8 can be removed from the hook 9 to replace the sealing ring body 12.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A sealing ring assembly for an automotive wheel hub bearing, comprising a sealing ring body (12) disposed inside a bearing retainer (1), characterized in that: The outer side of the sealing ring body (12) is provided with a hanging ear (8), and the upper part of the bearing insert (1) is provided with a pressing ring (4) that presses the sealing ring body (12), and the outer wall of the pressing ring (4) inside the bearing insert (1) is provided with a hook (9) that can hook up the hanging ear (8). The bottom end of the clamping ring (4) is provided with a fastening groove (11) matching the sealing ring body (12), the top end of the bearing insert ring (1) is provided with an insertion hole (10), the top end of the clamping ring (4) is provided with a fastening hole (5), and a screw (3) is provided in the fastening hole (5) to fasten the clamping ring (4) and the bearing insert ring (1) together by fastening it in the insertion hole (10).

2. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: The bearing insert (1) has a placement groove (7) on its inner wall. The sealing ring body (12) matches the placement groove (7), and the fastening groove (11) matches the sealing ring body (12).

3. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: A fixing spring (6) is installed at the bottom end of the clamping ring (4) below the fastening hole (5), and a washer (2) is installed at the bottom end of the fixing spring (6).

4. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: The position of the hanging ear (8) corresponds to that of the hook (9), and the opening size of the hanging ear (8) matches that of the hook (9).

5. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: The ear (8) is made of elastic material and can be fitted onto the hook (9).

6. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: The bottom ends of the screws (3) all pass through the clamping rings (4), and the bottom ends of the screws (3) all extend into the interior of the insertion holes (10).

7. The automotive wheel hub bearing sealing ring assembly according to claim 1, characterized in that: The interior of each of the insertion holes (10) is provided with threads, and the screws (3) are all connected to the insertion holes (10) by threads.

8. The automotive wheel hub bearing sealing ring assembly according to claim 3, characterized in that: The fixed springs (6) are all sleeved on the outer wall of the screw (3), and the internal space of the fixed springs (6) is larger than the outer diameter of the screw (3).

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