A new type of axle spacer

By using a split washer design and anti-slip protrusions and magnetic block structure, the problems of cumbersome disassembly and assembly and insufficient debris protection of existing axle spacers are solved, enabling convenient maintenance and stable operation, and improving the service life and safety of axle spacers.

CN224426987UActive Publication Date: 2026-06-30LIAOCHENG YUANZHENG ENERGY SAVING TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAOCHENG YUANZHENG ENERGY SAVING TECH CO LTD
Filing Date
2025-09-17
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing axle spacers are cumbersome to disassemble and assemble, costly, prone to shifting, lack debris protection, have limited functionality, and are difficult and costly to maintain.

Method used

It adopts a split gasket design, combined with anti-slip bumps and magnetic block structure, to provide convenient disassembly and assembly and debris protection, and achieves heat dissipation and status monitoring through the through groove.

Benefits of technology

Reduce maintenance costs, prevent gasket movement and debris ingress, improve the stability and reliability of spacers, and simplify the maintenance process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224426987U_ABST
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Abstract

This utility model relates to the field of axle component technology and discloses a novel axle spacer ring, including a ring body with an inner hole at the center of the ring body. Mounting grooves are formed on both the front and rear edges of the ring body. Two opposing washers are detachably connected to the inner wall of the mounting groove. A locking groove is formed at the middle of the outer side of each washer to engage with the mounting groove. Multiple anti-slip protrusions are fixedly connected to the inner wall of the mounting groove at intervals along the circumference. The outer side of each anti-slip protrusion abuts against the outer side of one of the washers. Through grooves are formed at both the top and bottom of the outer side of the ring body, and the inner wall of each through groove communicates with the top and bottom of the inner wall of the mounting groove. This utility model solves the problems of difficult disassembly and assembly and easy movement of traditional washers by using separate washers and anti-slip protrusions. Magnetic blocks fill the gaps in debris protection, and the through grooves achieve multiple functions such as disassembly, heat dissipation, and observation, significantly reducing maintenance costs and improving practicality and reliability.
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Description

Technical Field

[0001] This utility model relates to the field of axle components technology, and in particular to a novel spacer ring for axles. Background Technology

[0002] Axle spacers are key components in axle systems, providing positioning, sealing, cushioning, and protection. They are primarily assembled between axle journals, bearings, wheel hubs, and other parts, ensuring stable axle operation through their adaptation and cooperation with the surrounding structure. Their core functions include: providing precise axial or radial positioning for axle components, preventing movement during vehicle operation; mitigating vibration and impact during axle operation, reducing rigid friction between components, and lowering wear and tear; furthermore, they help optimize the internal space layout of the axle and provide a mounting base for auxiliary components such as sensors. They are fundamental components for ensuring axle transmission efficiency, extending service life, and improving vehicle driving safety.

[0003] Existing spacer rings have several problems, making it difficult to meet the requirements for efficient and stable axle operation: First, most use an integrated gasket design, requiring the entire spacer ring to be removed during disassembly and assembly, which is cumbersome and time-consuming. If the gasket wears down partially, the entire spacer ring must be replaced, increasing maintenance costs and extending vehicle downtime. Furthermore, the lack of effective anti-slip restraint between the gasket and the mounting structure allows vibrations from axle operation to cause the gasket to shift, compromising sealing or cushioning effects and leading to contaminant intrusion and grease leakage. Second, existing spacer rings generally lack metal debris protection structures. Metal debris generated during axle operation can easily enter critical areas such as the inner bore and mounting groove with airflow or vibration, causing component jamming and exacerbating friction and wear between the inner bore and journal, and between the gasket and mounting groove, shortening the service life of the spacer ring and related axle components. In addition, existing spacer rings have a single function, lacking a structure that integrates assembly, heat dissipation, and condition monitoring. There is no convenient access during disassembly and assembly, heat can easily accumulate in the mounting groove affecting gasket performance, and the wear and lubrication status of internal components cannot be directly observed; disassembly is required for inspection, further increasing maintenance difficulty and costs.

[0004] In response to this technical problem, this application proposes a novel spacer ring for vehicle axles. Utility Model Content

[0005] The purpose of this utility model is to solve the shortcomings of existing integrated gaskets, such as high cost of disassembly, assembly, and repair, easy movement, lack of debris protection leading to component jamming and wear, single function lack of convenient disassembly, heat dissipation and condition monitoring structure, and difficult and costly maintenance. Therefore, a new type of spacer ring for vehicle axles is proposed.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A novel axle spacer ring includes a ring body with an inner hole at its center. Mounting grooves are formed on both the front and rear edges of the ring body. Two opposing washers are detachably connected to the inner wall of each mounting groove. A locking groove is formed at the middle of the outer side of each washer to engage with the mounting groove. Multiple anti-slip protrusions are fixedly connected to the inner wall of the mounting groove at intervals along the circumference. The outer side of each anti-slip protrusion abuts against the outer side of one of the washers. Through grooves are formed at both the top and bottom of the outer side of the ring body, and the inner wall of each through groove communicates with the top and bottom of the inner wall of the mounting groove.

[0008] Furthermore, a reserved groove is provided at the middle of both sides of the outer wall of the ring, and a magnetic block is provided on the inner wall of the reserved groove.

[0009] Furthermore, the open ends of the two washers are joined together, and after joining, they together form a complete circular structure coaxial with the inner hole of the ring. The outer diameter of the complete circular ring is adapted to the inner diameter of the mounting groove.

[0010] Furthermore, the anti-slip protrusion has a semi-circular cross-section, and the side of the anti-slip protrusion facing the washer is provided with anti-slip texture.

[0011] Furthermore, the inner hole wall is provided with a wear-resistant coating, the thickness of which is 0.1-0.3 mm.

[0012] Furthermore, when the magnetic block is installed on the inner wall of the reserved groove, its outer depth is lower than the depth of the reserved groove.

[0013] Furthermore, the depth of the mounting groove is 1 / 3 of the thickness of the ring, and the depth of the slot is adapted to the depth of the mounting groove.

[0014] This utility model has the following beneficial effects:

[0015] In this invention, two separate washers are joined together by a slot and a mounting groove. Compared with the traditional one-piece washer, this design is not only more convenient to install and remove, but also eliminates the need to replace the entire spacer ring after a single washer wears out, significantly reducing maintenance costs and operational difficulty. Furthermore, the semi-circular anti-slip protrusions on the inner wall of the mounting groove, combined with the anti-slip texture, effectively increase the friction with the washer, solving the problem of existing spacer rings causing washer movement due to vibration.

[0016] In this invention, the magnetic block inside the groove on the outer wall of the ring has an outer side that is lower than the groove depth, which can actively attract metal debris around the axle, filling the gap in existing spacer rings that lack debris protection, preventing debris from entering the inner hole or mounting groove and causing component jamming and accelerated wear; in addition, the through groove on the outer side of the ring body not only facilitates the insertion of tools to remove and install the gasket, but also enables heat dissipation in the mounting groove, and can also serve as an observation window to check the internal status, comprehensively improving the practicality and reliability of the spacer ring. Attached Figure Description

[0017] Figure 1 This is a perspective view of a novel spacer ring for axles proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the ring structure of a novel axle spacer proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the mounting groove structure for a novel axle spacer ring proposed in this utility model.

[0020] Legend:

[0021] 1. Ring body; 2. Mounting groove; 3. Washer; 4. Slot; 5. Anti-slip protrusion; 6. Reserved groove; 7. Magnetic block; 8. Through groove; 9. Inner hole. Detailed Implementation

[0022] 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.

[0023] Reference Figures 1-3 An embodiment of this utility model provides a novel axle spacer ring, comprising a ring body 1, an inner hole 9 at the center of the ring body 1, mounting grooves 2 on the front and rear edges of the ring body 1, two oppositely arranged washers 3 detachably connected to the inner wall of the mounting groove 2, a locking groove 4 at the middle of the outer side of the washers 3 for engaging with the mounting groove 2, and multiple anti-slip protrusions 5 fixedly connected to the inner wall of the mounting groove 2 at intervals along the circumferential direction, the outer side of the anti-slip protrusions 5 abutting against the outer side of the washers 3, and through grooves 8 at both the top and bottom of the outer side of the ring body 1, the inner wall of the through grooves 8 communicating with the top and bottom of the inner wall of the mounting groove 2;

[0024] Specifically, an inner hole 9 is provided at the center of the ring body 1. This inner hole 9 can be precisely fitted to the axle journal, providing a through channel for the journal. At the same time, the wear-resistant coating with a thickness of 0.1-0.3mm on the wall of the inner hole 9 can significantly reduce the frictional loss between the journal and the inner hole wall during rotation, effectively extending the service life of the ring body 1 and preventing the inner hole diameter from being worn and deformed due to long-term friction, which would affect the overall assembly accuracy of the spacer ring. Mounting grooves 2 are provided on both the front and rear edges of the ring body 1. The depth of the mounting grooves 2 is 1 / 3 of the thickness of the ring body 1. This depth design can ensure the stable installation of the subsequent washer 3 without excessively weakening the ring body. 1. The structural strength is achieved through a detachable connection of two opposing washers 3 to the inner wall of the mounting groove 2. Each washer 3 has a groove 4 at its outer center that engages with the mounting groove 2. The depth of the groove 4 matches the depth of the mounting groove 2. This engagement allows for initial positioning of the washer 3 within the mounting groove 2. Simultaneously, the open ends of the two washers 3 interlock, forming a complete circular structure coaxial with the inner hole 9 of the ring body 1. The outer diameter of this complete circular structure matches the inner diameter of the mounting groove 2. This modular assembly structure facilitates the disassembly and replacement of the washers 3. When a single washer 3 wears out, there is no... The entire spacer ring needs to be replaced, effectively reducing maintenance costs. Simultaneously, the coaxial design ensures that the washer 3 remains concentric with the ring body 1 and inner hole 9 after assembly, preventing sealing or buffering failure due to eccentricity. Multiple anti-slip protrusions 5 are fixedly connected to the inner wall of the mounting groove 2 at intervals along the circumference. The outer side of the anti-slip protrusion 5 abuts against the outer side of the washer 3. The cross-section of the anti-slip protrusion 5 is semi-circular, and anti-slip textures are provided on the side of the anti-slip protrusion 5 facing the washer 3. The semi-circular structure prevents scratches on the washer 3, while the anti-slip textures increase the friction between the anti-slip protrusion 5 and the washer 3, further enhancing the sealing or buffering performance of the washer 3. The fixing effect within the mounting groove 2 prevents the washer 3 from shifting within the mounting groove 2 due to vibration during axle operation, ensuring the stable operation of the spacer ring. The outer top and bottom ends of the ring body 1 are both provided with through grooves 8, the inner walls of which are connected to the top and bottom ends of the inner wall of the mounting groove 2. These through grooves 8 serve two purposes: firstly, as an operating channel during assembly, facilitating the insertion and removal of the washer 3 by inserting tools into the mounting groove 2; secondly, as a heat dissipation function during the operation of the spacer ring, preventing heat accumulation within the mounting groove 2 from affecting the performance of the washer 3; and thirdly, as an observation window, allowing workers to easily check the wear of the washer 3 and the fit of the anti-slip protrusions 5 within the mounting groove 2.

[0025] Reference Figures 1-3The outer wall of the ring body 1 has a reserved groove 6 at the middle of both sides, and a magnetic block 7 is provided on the inner wall of the reserved groove 6; the open ends of the two washers 3 are connected to each other, and together they form a complete ring structure coaxial with the inner hole 9 of the ring body 1. The outer diameter of the complete ring is adapted to the inner diameter of the mounting groove 2; the cross-section of the anti-slip protrusion 5 is semi-circular, and the side of the anti-slip protrusion 5 facing the washer 3 is provided with anti-slip texture; the wall of the inner hole 9 is provided with a wear-resistant coating with a thickness of 0.1-0.3mm; when the magnetic block 7 is installed on the inner wall of the reserved groove 6, its outer depth is lower than the depth of the reserved groove 6; the depth of the mounting groove 2 is 1 / 3 of the thickness of the ring body 1, and the depth of the slot 4 is adapted to the depth of the mounting groove 2;

[0026] Specifically, a reserved groove 6 is provided at the middle of both sides of the outer wall of the ring body 1. A magnetic block 7 is provided on the inner wall of the reserved groove 6. When the magnetic block 7 is installed on the inner wall of the reserved groove 6, its outer depth is lower than the depth of the reserved groove 6. This design can prevent the magnetic block 7 from protruding from the outer wall of the ring body 1 and interfering with other components of the axle. The magnetic block 7 can magnetically attract metal debris around the axle, preventing debris from entering the inner hole 9 or the mounting groove 2, avoiding increased friction or component jamming caused by debris. At the same time, the reserved groove 6 provides a stable installation space for the magnetic block 7, ensuring that the magnetic block 7 can remain fixed in the axle vibration environment and continue to play the role of attracting debris.

[0027] Working principle: When assembling this new type of axle spacer ring, the two washers 3 are first initially engaged with the mounting groove 2 of the ring body 1 through the slot 4, so that the open ends of the washers 3 are aligned to form a complete ring coaxial with the inner hole 9. The anti-slip protrusions 5 on the inner wall of the mounting groove 2 then abut against the outer side of the washers 3. Their semi-circular structure avoids scratching the washers 3, and the anti-slip texture increases friction to prevent the washers 3 from shifting. The inner hole 9 fits the axle journal, and the 0.1-0.3mm wear-resistant coating on the hole wall reduces frictional loss when the journal rotates. During axle operation, the inner hole 9 provides a stable through-passage for the journal, and the wear-resistant coating extends the service life of the ring 1. The gasket 3, through the matching of the slot 4 and the mounting slot 2 and the limiting of the anti-slip protrusion 5, continuously plays a sealing and buffering role, preventing external impurities from entering or internal grease from leaking. The through groove 8 on the outside of the ring 1 achieves heat dissipation by connecting with the mounting slot 2, preventing heat accumulation from affecting the performance of the gasket 3. On the other hand, it can also serve as an observation port to check the status of internal components. The magnetic block 7 in the reserved groove 6 on the outer wall of the ring 1 (the outer side is lower than the depth of the reserved groove 6 to avoid interference) magnetically attracts metal debris around the axle, preventing debris from entering the inner hole 9 or the mounting slot 2 and causing component jamming. All structures work together to ensure the stable operation of the spacer ring.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel spacer ring for vehicle axles, characterized in that, The ring (1) includes an inner hole (9) at the center of the ring (1). The front and rear edges of the ring (1) are provided with mounting grooves (2). The inner wall of the mounting groove (2) is detachably connected to two oppositely arranged washers (3). The outer middle of the washers (3) is provided with a slot (4) that engages with the mounting groove (2). The inner wall of the mounting groove (2) is fixedly connected with multiple anti-slip protrusions (5) in a spaced manner along the circumferential direction. The outer side of the anti-slip protrusions (5) abuts against the outer side of the washers (3). The top and bottom ends of the outer side of the ring (1) are provided with through grooves (8). The inner wall of the through grooves (8) is connected to the top and bottom ends of the inner wall of the mounting groove (2).

2. The novel axle spacer ring according to claim 1, characterized in that: The outer wall of the ring (1) has a reserved groove (6) at the middle of both sides, and the inner wall of the reserved groove (6) is provided with a magnetic block (7).

3. A novel axle spacer ring according to claim 1, characterized in that: The open ends of the two washers (3) are connected to each other, and together they form a complete circular ring structure coaxial with the inner hole (9) of the ring body (1). The outer diameter of the complete circular ring is adapted to the inner diameter of the mounting groove (2).

4. A novel axle spacer ring according to claim 1, characterized in that: The anti-slip protrusion (5) has a semi-circular cross-section, and the anti-slip protrusion (5) has anti-slip texture on the side facing the washer (3).

5. A novel axle spacer ring according to claim 1, characterized in that: The inner hole (9) is provided with a wear-resistant coating on its wall, and the thickness of the wear-resistant coating is 0.1-0.3 mm.

6. A novel axle spacer ring according to claim 2, characterized in that: When the magnetic block (7) is installed on the inner wall of the reserved groove (6), its outer depth is lower than the depth of the reserved groove (6).

7. A novel axle spacer ring according to claim 1, characterized in that: The depth of the mounting groove (2) is 1 / 3 of the thickness of the ring (1), and the depth of the slot (4) is adapted to the depth of the mounting groove (2).