Adjustable preloaded suspension bearing

CN224606831UActive Publication Date: 2026-08-07SUZHOU ANDUOCHENG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU ANDUOCHENG AUTO PARTS CO LTD
Filing Date
2025-07-25
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0006]本实用新型提供一种可调节预紧力的悬架轴承,解决了轴承和安装架安装尺寸是固定的在磨损后容易造成连接处松动从而影响轴承和安装架之间稳定性的问题

Benefits of technology

[0021]This invention provides an adjustable preload suspension bearing. To increase the stability of the suspension bearing during long-term use, a movable groove is formed on the inner surface of the upper bracket. A connecting ring with multiple mating rings on its inner surface and multiple contact rings on its outer surface is then installed inside the movable groove. By injecting high-pressure oil between the movable groove and the mating rings, the connecting ring can move slightly, adjusting the preload on the inner surface of the upper bracket. This allows for re-fixation should loosen between the upper bracket and the outer bearing ring, increasing stability. A groove is formed on the inner surface of the inner bearing ring for installing an auxiliary ring, which further enhances the stability of the connection between the inner bearing ring and the shaft. This design allows for pressurization by injecting oil into the movable groove, thereby adjusting the preload between the upper bracket and the outer bearing ring, thus increasing the stability and safety of the suspension bearing during long-term use.

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Abstract

The utility model provides a kind of adjustable pre-tightening force suspension bearing.The adjustable pre-tightening force suspension bearing includes: lower support;Upper support, the upper support is installed on the top of lower support by fixed component, the inner surface of the upper support is equipped with movable slot, the inside of the movable slot is equipped with connecting ring, the inner surface of the connecting ring is equipped with multiple butt rings, the outer surface of the connecting ring is equipped with multiple contact rings, the inside of the upper support is equipped with outer bearing ring, the inside of the outer bearing ring is rotatably connected with inner bearing ring, the inside of the inner bearing ring and outer bearing ring is equipped with installation groove, the inside of the installation groove is equipped with two groups of ball group and two sealing rings.The adjustable pre-tightening force suspension bearing provided by the utility model can inject oil into the movable slot to increase the pre-tightening force between the upper support and the outer bearing ring, thereby increasing the stability and safety of the suspension bearing during long-term use.
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Description

Technical Field

[0001] This utility model relates to the field of suspension bearing technology, and in particular to a suspension bearing with adjustable preload. Background Technology

[0002] The suspension is a general term for all force-transmitting connection devices between the car frame and the axle. Its function is to transmit the force and torque acting between the wheels and the frame, and to buffer the impact force transmitted from uneven road surfaces to the frame or body, and reduce the vibration caused thereby, so as to ensure that the car can drive smoothly.

[0003] Suspension bearings are mainly installed on top of the car's shock absorbers, between the spring and the shock absorber top mount. These bearings consist of a flat cage assembly with needle rollers, cylindrical rollers, or steel balls and a flat washer. Their main purpose in this position is to withstand the vertical pressure of the vehicle while allowing free rotation, so that the vehicle can provide rotational force when steering, thereby making the driver's operation more sensitive and effortless.

[0004] The existing suspension bearings and mounting brackets have a fixed spacing, which can easily loosen due to wear at the connection point after long-term use, thus affecting the stability between the bearings and the mounting brackets.

[0005] Therefore, it is necessary to provide a suspension bearing with adjustable preload to solve the above-mentioned technical problems. Utility Model Content

[0006] This invention provides an adjustable preload suspension bearing, which solves the problem that the fixed installation dimensions of the bearing and mounting bracket can easily cause loosening at the connection after wear, thus affecting the stability between the bearing and the mounting bracket.

[0007] To solve the above-mentioned technical problems, the adjustable preload suspension bearing provided by this utility model includes: a lower bracket;

[0008] An upper bracket is mounted on top of a lower bracket via a fixing assembly. The upper bracket has a movable groove on its inner surface, and a connecting ring is installed inside the movable groove. Multiple mating rings are installed on the inner surface of the connecting ring, and multiple contact rings are installed on the outer surface of the connecting ring. An outer bearing ring is installed inside the upper bracket, and an inner bearing ring is rotatably connected to the inner bearing ring. Mounting grooves are provided between the inner and outer bearing rings, and two sets of ball bearings and two sealing rings are installed inside the mounting grooves. An auxiliary ring is installed on the inner surface of the inner bearing ring.

[0009] A liquid tank is mounted on the outer surface of an upper support. A first conveying assembly and a second conveying assembly are respectively mounted on one side of the liquid tank. The inlet of the first conveying assembly is connected to a suction pipe via a valve, and the outlet of the second conveying assembly is connected to a pressure boosting pipe via a valve.

[0010] The connecting ring is made of highly wear-resistant and highly elastic rubber material. The sealing ring is used to increase the sealing between the inner bearing ring and the outer bearing ring. The other end of the pressurization pipe is connected to the movable groove. The outlet of the first conveying component is connected to the liquid tank through a pipe.

[0011] Preferably, the fixing component includes an upper mating plate and a lower mating plate, the upper mating plate and the lower mating plate having corresponding shapes;

[0012] The upper connecting plate is connected to the upper bracket, and the lower connecting plate is connected to the lower bracket. The upper and lower connecting plates are fixed with bolts. Holes are provided on the upper and lower connecting plates to facilitate fixing the fixing components in the corresponding positions.

[0013] Preferably, a fixing ring is fixedly connected to the bottom of the lower bracket, and an auxiliary bearing is installed inside the fixing ring.

[0014] Preferably, a sealing ring is installed on the top of the upper bracket, and a monitoring component is installed on the outer surface of the upper bracket;

[0015] The monitoring component can monitor the vibration frequency and temperature of the suspension bearing during operation.

[0016] Preferably, a protective cover is installed on one side of the monitoring component, and the monitoring component includes a mounting frame and monitoring equipment;

[0017] The monitoring equipment is fixed to the outer surface of the upper support by a mounting bracket.

[0018] Preferably, the second delivery assembly includes a protective shell, a booster pump, a delivery pipe, and a suction pipe, wherein the suction pipe is used to connect the inlet of the booster pump to the liquid tank, and the delivery pipe is used to connect the outlet of the booster pump to the valve.

[0019] Compared with related technologies, the adjustable preload suspension bearing provided by this utility model has the following advantages:

[0020] Beneficial effects:

[0021] This invention provides an adjustable preload suspension bearing. To increase the stability of the suspension bearing during long-term use, a movable groove is formed on the inner surface of the upper bracket. A connecting ring with multiple mating rings on its inner surface and multiple contact rings on its outer surface is then installed inside the movable groove. By injecting high-pressure oil between the movable groove and the mating rings, the connecting ring can move slightly, adjusting the preload on the inner surface of the upper bracket. This allows for re-fixation should loosen between the upper bracket and the outer bearing ring, increasing stability. A groove is formed on the inner surface of the inner bearing ring for installing an auxiliary ring, which further enhances the stability of the connection between the inner bearing ring and the shaft. This design allows for pressurization by injecting oil into the movable groove, thereby adjusting the preload between the upper bracket and the outer bearing ring, thus increasing the stability and safety of the suspension bearing during long-term use. Attached Figure Description

[0022] Figure 1 A schematic diagram of a preferred embodiment of the adjustable preload suspension bearing provided by this utility model;

[0023] Figure 2 A schematic diagram of the auxiliary bearing is provided for this utility model;

[0024] Figure 3 A structural schematic diagram of the fixing ring is provided for this utility model;

[0025] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;

[0026] Figure 5 A schematic diagram of the booster pump is provided for this utility model.

[0027] The diagram is labeled as follows: 1. Lower support, 2. Upper support, 3. Sealing ring, 4. First conveying assembly, 5. Booster pipe, 6. Valve, 7. Second conveying assembly, 701. Protective shell, 702. Booster pump, 703. Conveying pipe, 704. Suction pipe, 8. Liquid tank, 9. Fixing assembly, 901. Upper docking plate, 902. Lower docking plate, 10. Suction pipe, 11. Fixing ring, 12. Auxiliary bearing, 13. Protective cover, 14. Monitoring assembly, 141. Fixing frame, 142. Monitoring equipment, 15. Inner bearing ring, 16. Ball bearing assembly, 17. Outer bearing ring, 18. Movable groove, 19. Connecting ring, 20. Contact ring, 21. Docking ring, 22. Auxiliary ring, 23. Sealing ring, 24. Mounting groove. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Please refer to the following: Figure 1 , Figure 2, Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the adjustable preload suspension bearing provided by this utility model; Figure 2 A schematic diagram of the auxiliary bearing is provided for this utility model; Figure 3 A structural schematic diagram of the fixing ring is provided for this utility model;

[0030] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A schematic diagram of the booster pump is provided for this utility model. The adjustable preload suspension bearing includes: a lower bracket 1;

[0031] The upper bracket 2 is mounted on top of the lower bracket 1 via a fixing assembly 9. The inner surface of the upper bracket 2 has a movable groove 18, and a connecting ring 19 is installed inside the movable groove 18. Multiple mating rings 21 are installed on the inner surface of the connecting ring 19, and multiple contact rings 20 are installed on the outer surface of the connecting ring 19. An outer bearing ring 17 is installed inside the upper bracket 2, and an inner bearing ring 15 is rotatably connected inside the outer bearing ring 17. An installation groove 24 is provided between the inner bearing ring 15 and the outer bearing ring 17. Two sets of ball bearings 16 and two sealing rings 23 are installed inside the installation groove 24. An auxiliary ring 22 is installed on the inner surface of the inner bearing ring 15.

[0032] Liquid tank 8 is installed on the outer surface of upper bracket 2. A first conveying component 4 and a second conveying component 7 are respectively installed on one side of the liquid tank 8. The inlet of the first conveying component 4 is connected to a suction pipe 10 through a valve 6, and the outlet of the second conveying component 7 is connected to a pressure boosting pipe 5 through a valve 6.

[0033] The connecting ring 19 is made of a highly wear-resistant and highly elastic rubber material. The sealing ring 23 is used to increase the sealing between the inner bearing ring 15 and the outer bearing ring 17. The other end of the pressure boosting pipe 5 is connected to the movable groove 18. The outlet of the first conveying component 4 is connected to the liquid tank 8 through a pipe. After the valve 6 is opened, the suction pipe 10 can suck out the liquid inside the movable groove 18.

[0034] The fixing component 9 includes an upper docking plate 901 and a lower docking plate 902, and the upper docking plate 901 and the lower docking plate 902 have corresponding shapes.

[0035] The upper connecting plate 901 is connected to the upper bracket 2, and the lower connecting plate 902 is connected to the lower bracket 1. The upper connecting plate 901 and the lower connecting plate 902 are fixed by bolts. Holes are provided on the upper connecting plate 901 and the lower connecting plate 902 to facilitate fixing the fixing component 9 in the corresponding position.

[0036] The bottom of the lower support 1 is fixedly connected to a fixing ring 11, and an auxiliary bearing 12 is installed inside the fixing ring 11.

[0037] The auxiliary bearing 12 can increase the stability of the shaft and bearing connection.

[0038] A sealing ring 3 is installed on the top of the upper bracket 2, and a monitoring component 14 is installed on the outer surface of the upper bracket 2;

[0039] The sealing ring 3 is used to increase the sealing performance, and the monitoring component 14 can monitor the vibration frequency and temperature of the suspension bearing during operation.

[0040] A protective cover 13 is installed on one side of the monitoring component 14. The monitoring component 14 includes a mounting frame 141 and a monitoring device 142.

[0041] The monitoring device 142 is fixed to the outer surface of the upper bracket 2 by the fixing frame 141. The monitoring device 142 is a vibration sensor and a temperature sensor.

[0042] The second delivery assembly 7 includes a protective shell 701, a booster pump 702, a delivery pipe 703, and a suction pipe 704. The suction pipe 704 is used to connect the inlet of the booster pump 702 to the liquid tank 8, and the delivery pipe 703 is used to connect the outlet of the booster pump 702 to the valve 6.

[0043] Booster pump 702 is used to increase pressure during the delivery of liquids.

[0044] The working principle of the adjustable preload suspension bearing provided by this utility model is as follows:

[0045] A movable groove 18 is formed on the inner surface of the upper bracket 2. A connecting ring 19, with multiple mating rings 21 mounted on its inner surface and multiple contact rings 20 mounted on its outer surface, is then installed inside the movable groove 18. By injecting high-pressure oil between the movable groove 18 and the mating rings 21, the connecting ring 19 can move slightly, adjusting the preload on the inner surface of the upper bracket 2. This allows for re-fixing if loosening occurs between the upper bracket 2 and the outer bearing ring 17, increasing stability. A groove is formed on the inner surface of the inner bearing ring 15 for installing an auxiliary ring 22. The auxiliary ring 22 can... To increase the stability of the connection between the inner bearing ring 15 and the shaft, in actual use, the bearing consisting of the outer bearing ring 17, the inner bearing ring 15, the ball assembly 16, and the sealing ring 23 is installed inside the upper bracket 2. Then, the second conveying assembly 7 is activated to pressurize the liquid inside the liquid tank 8 and inject it into the interior of the movable groove 18. During this process, the valve 6 at the inlet of the first conveying assembly 4 is closed, and the connecting ring 19 ensures the sealing of the movable groove 18. After the oil is injected into the movable groove 18, the contact ring 20 can be adjusted to increase the stability of the connection between the bearing and the upper bracket 2.

[0046] Compared with related technologies, the adjustable preload suspension bearing provided by this utility model has the following advantages:

[0047] Beneficial effects:

[0048] To increase the stability of the suspension bearing during long-term use, a movable groove 18 is formed on the inner surface of the upper bracket 2. A connecting ring 19, with multiple mating rings 21 on its inner surface and multiple contact rings 20 on its outer surface, is then installed inside the movable groove 18. By injecting high-pressure oil between the movable groove 18 and the mating rings 21, the connecting ring 19 can move slightly, adjusting the preload on the inner surface of the upper bracket 2. This allows for re-fixation should loosen between the upper bracket 2 and the outer bearing ring 17, increasing stability. A groove is formed on the inner surface of the inner bearing ring 15 to install an auxiliary ring 22. The auxiliary ring 22 increases the stability of the connection between the inner bearing ring 15 and the shaft. This design allows for pressurization of oil injected into the movable groove 18, adjusting the preload between the upper bracket 2 and the outer bearing ring 17, thus increasing the stability and safety of the suspension bearing during long-term use.

[0049] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A suspension bearing with adjustable preload, characterized in that, include: Lower support; An upper bracket is mounted on top of a lower bracket via a fixing assembly. The upper bracket has a movable groove on its inner surface, and a connecting ring is installed inside the movable groove. Multiple mating rings are installed on the inner surface of the connecting ring, and multiple contact rings are installed on the outer surface of the connecting ring. An outer bearing ring is installed inside the upper bracket, and an inner bearing ring is rotatably connected to the inner bearing ring. Mounting grooves are provided between the inner and outer bearing rings, and two sets of ball bearings and two sealing rings are installed inside the mounting grooves. An auxiliary ring is installed on the inner surface of the inner bearing ring. A liquid tank is mounted on the outer surface of an upper support. A first conveying component and a second conveying component are respectively mounted on one side of the liquid tank. The inlet of the first conveying component is connected to a suction pipe via a valve, and the outlet of the second conveying component is connected to a pressure boosting pipe via a valve.

2. The adjustable preload suspension bearing according to claim 1, characterized in that, The fixing component includes an upper mating plate and a lower mating plate, which have corresponding shapes.

3. The adjustable preload suspension bearing according to claim 1, characterized in that, The bottom of the lower bracket is fixedly connected to a fixing ring, and an auxiliary bearing is installed inside the fixing ring.

4. The adjustable preload suspension bearing according to claim 1, characterized in that, A sealing ring is installed on the top of the upper bracket, and a monitoring component is installed on the outer surface of the upper bracket.

5. The adjustable preload suspension bearing according to claim 4, characterized in that, A protective cover is installed on one side of the monitoring component, which includes a mounting frame and monitoring equipment.

6. The adjustable preload suspension bearing according to claim 1, characterized in that, The second delivery assembly includes a protective housing, a booster pump, a delivery pipe, and a suction pipe. The suction pipe is used to connect the inlet of the booster pump to the liquid tank, and the delivery pipe is used to connect the outlet of the booster pump to the valve.