Damping device of new energy automobile tire

By incorporating a shock-absorbing mechanism and damper within the movable rod of the tire of a new energy vehicle, the problems of poor shock absorption and easy damage to the movable rod during high-speed driving are solved, resulting in better shock absorption and increased durability of the movable rod.

CN223574145UActive Publication Date: 2025-11-21SHANDONG HUASHENG RUBBER +1
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Patent Information

Application Number
CN202422796267.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-11-21
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The shock absorption devices of existing new energy vehicle tires have poor shock absorption effect at high speeds, resulting in vehicle bumps, and the movable rods are easily damaged, affecting their service life.

Method used

A shock-absorbing mechanism is installed inside the first and second movable rods, including a damper and a hollow connecting rod. The damper absorbs vibration energy to prevent damage to the movable rods, and the strength and wear resistance of the rotating rods are enhanced by zinc alloy and carbon steel layers.

Benefits of technology

It improves the shock absorption effect of the wheel hub, extends the service life of the moving rod, reduces the discomfort caused by vibration, and enhances the wear resistance and strength of the rotating shaft.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a damping device of a new energy automobile tire, and relates to the technical field of automobile hubs. Comprising a hub, a first movable rod, a second movable rod and a connecting rod, one side of the hub is movably connected with one end of the first movable rod through a rotating shaft, the other end of the first movable rod is movably connected with the second movable rod through the rotating shaft, and one end of the connecting rod is movably connected with the second movable rod through the rotating shaft. The other end of the connecting rod is movably connected with the first movable rod through a rotating shaft, and a damping device is arranged on the connecting rod; the first movable rod and the second movable rod are each of an internal hollow structure, damping mechanisms are arranged in the first movable rod and the second movable rod, each damping mechanism comprises a first damping rod, the first damping rods are sleeved with a plurality of dampers, and the dampers are arranged at equal intervals. And when the hub is vibrated, the damper can absorb vibration energy, the first movable rod and the second movable rod are prevented from being damaged, and the service life of the movable rods is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile wheel hub, specifically relates to a shock absorber of new energy automobile tire. BACKGROUND

[0002] In recent years, new energy vehicles develop rapidly, mainly using unconventional materials as power source to provide power, the tire of new energy vehicle is usually installed on the metal rim, so that it bears the weight of the vehicle body, and when the tire contacts with the road surface, small stones or obstacles will be encountered due to the speed, which will cause the vibration of the wheel and the bump of the vehicle body, so as to affect the comfort of the passengers in the vehicle. The shock absorbing tire of the prior art installs a shock absorbing device inside the tire, but due to the high speed during driving, the rotating speed of the tire is also high, and the buffer is completed in a very short time, so the shock absorbing effect is poor, and discomfort will still be caused.

[0003] The Chinese invention patent with the patent publication number CN110626135B discloses a shock absorber of new energy automobile tire, the left side of the wheel hub is movably connected with a movable rod one, the upper side of the movable rod one is movably connected with a movable rod two, the lower side of the movable rod two is movably connected with a connecting rod, the middle part of the connecting rod is movably connected with a moving device, the inside of the moving device is movably connected with an upper movable rod, the lower side of the upper movable rod is movably connected with an upper movable plate, the inside of the upper movable plate is movably connected with a movable spring one, the lower side of the movable spring one is movably connected with a movable connecting block one, the lower side of the movable connecting block one is movably connected with a limiting rod one, and the inside of the limiting rod one is movably connected with a limiting groove. Although the shock absorber can absorb shock to a certain extent, the movable rod may be broken or bent during long-term use, thereby affecting the service life of the shock absorber. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a shock absorber of new energy automobile tire, the shock absorber of new energy automobile tire includes a wheel hub, a first movable rod, a second movable rod and a connecting rod, one side of the wheel hub is movably connected with one end of the first movable rod through a rotating shaft, the other end of the first movable rod is movably connected with the second movable rod through a rotating shaft, one end of the connecting rod is movably connected with the second movable rod through a rotating shaft, and the other end of the connecting rod is movably connected with the first movable rod through a rotating shaft, and a shock absorber is formed on the connecting rod.

[0005] The first movable rod and the second movable rod are both hollow structures, and a shock absorbing mechanism is arranged in the first movable rod and the second movable rod.

[0006] Further, the shock-absorbing device of the new energy automobile tire is provided with the shock-absorbing mechanism in the first movable rod and the second movable rod, and when the hub is vibrated, the connecting rod, the first movable rod and the second movable rod are vibrated, the connecting rod can be damped by the shock-absorbing device, and when the connecting rod drives the first movable rod and the second movable rod to be vibrated, energy can be transmitted to the damper, the damper can absorb the vibration energy, and the first movable rod and the second movable rod are prevented from being damaged.

[0007] Optionally, the inner diameters of the first movable rod and the second movable rod are equal to the outer diameter of the damper. Further, for example, the first movable rod and the second movable rod are both cylindrical, the inner diameter of the first movable rod can be different from the inner diameter of the second movable rod, in order to ensure better damping effect, the damper arranged in the first movable rod has an outer diameter equal to the inner diameter of the first movable rod, and the damper arranged in the second movable rod has an outer diameter equal to the inner diameter of the second movable rod.

[0008] Further, the damper is made of rubber material, can be attached to the inner wall of the movable rod, and can absorb the vibration energy of the movable rod.

[0009] Optionally, the rotating shaft comprises a rotating rod, and reinforcing ribs are arranged at two ends of the rotating rod. By arranging the reinforcing ribs at the two ends of the rotating rod, the rotating shaft can be prevented from being inclined or deformed due to external force during vibration of the hub.

[0010] Optionally, the rotating rod comprises an axis core, a zinc alloy layer and a carbon steel layer from inside to outside. Further, the axis core is made of metal material, and the zinc alloy layer and the carbon steel layer are sleeved, so that the strength of the rotating rod can be increased.

[0011] Optionally, the shock-absorbing device comprises an internally hollow shock-absorbing cylinder and a second shock-absorbing rod, the second shock-absorbing rod is located above the shock-absorbing cylinder, a base is arranged below the shock-absorbing cylinder, a top is arranged above the second shock-absorbing rod, a spring is sleeved on the shock-absorbing cylinder and the second shock-absorbing rod, one end of the spring is connected with the base, and the other end of the spring is connected with the top. In the use process, the hub can buffer the vibration energy by the shock-absorbing device.

[0012] Optionally, the outer diameter of the second shock-absorbing rod is equal to the inner diameter of the shock-absorbing cylinder. Further, in order to ensure the strength of the connecting rod, the second shock-absorbing rod and the shock-absorbing cylinder are both cylindrical, and the outer diameter of the second shock-absorbing rod is equal to the inner diameter of the shock-absorbing cylinder.

[0013] Optionally, the diameter of the spring is greater than the diameter of the damping cylinder, the diameter of the spring is less than the diameter of the top base, and the diameter of the spring is less than the diameter of the bottom base.

[0014] Optionally, the bottom of the damping cylinder is provided with a rubber pad.

[0015] Compared with the prior art, the utility model at least has one of the following beneficial effects:

[0016] (1) the damping device of the new energy automobile tire of the utility model sets up the damping mechanism in the inside of the first movable rod and the second movable rod, in the use process, the hub is shaken, the connecting rod, the first movable rod and the second movable rod are all shaken, the connecting rod can rely on the damping device to shock absorption, when the connecting rod drives the first movable rod and the second movable rod are shaken, can pass energy to the damper, the damper can absorb the energy of the vibration, avoid the first movable rod and the second movable rod damage, improve the service life of the movable rod.

[0017] (2) the utility model discloses the axle core of the rotating rod is metal material, is connected through zinc alloy layer and carbon steel layer, can increase the strength of the rotating rod. On the other hand, can also improve the wear resistance of the rotating rod, improve its service life.

[0018] (3) the utility model discloses the hub can rely on the damping device to buffer the energy of the vibration. In the use process, the second damping rod is provided with a piston at the end connected with the damping cylinder, in the vibration process, the piston can be inserted in the damping cylinder under the action of the spring, and the shock is relieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the utility model. The illustrative embodiment of the utility model and its description are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0020] Figure 1 An example embodiment of the structure diagram of the new energy automobile tire damping device is shown.

[0021] Figure 2 An example embodiment of the structure diagram of the damping mechanism in the first movable rod and the second movable rod is shown.

[0022] Figure 3 An example embodiment of the structure diagram of the damping device is shown.

[0023] Figure 4 An example embodiment of the structure diagram of the rotating shaft is shown.

[0024] Figure 5 An example embodiment of the structure diagram of the rotating shaft is shown. Figure 4Figure 3 is a cross-sectional view of the rotating rod according to an exemplary embodiment.

[0025] Reference Signs List:

[0026] 1 - hub; 2 - first movable rod; 3 - second movable rod; 4 - connecting rod; 5 - rotating shaft; 51 - rotating rod; 52 - reinforcing rib; 53 - shaft core; 54 - zinc alloy layer; 55 - carbon steel layer; 61 - shock absorbing cylinder; 62 - second shock absorbing rod; 63 - top seat; 64 - spring; 65 - bottom seat; 71 - first shock absorbing rod; 72 - damper. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the overall concept of the present application, the following detailed description will be made in conjunction with the accompanying drawings.

[0028] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details and other implementations can be employed. In other instances, well-known methods have not been described in detail in order to avoid obscuring the present application.

[0029] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0032] Figure 1 An exemplary embodiment of a new energy automobile tire damping device structure diagram is shown; Figure 2 An exemplary embodiment of a damping mechanism structure diagram in the first movable rod and the second movable rod is shown; Figure 3 An exemplary embodiment of a damping device structure diagram is shown; Figure 4 An exemplary embodiment of a rotating shaft structure diagram is shown; Figure 5 An exemplary embodiment of a rotating shaft structure diagram is shown; Figure 4 An exemplary embodiment of a rotating shaft structure diagram is shown;

[0033] In an exemplary embodiment of the present application, as shown in Figures 1-5 As shown, the damping device of the new energy automobile tire includes a hub 1, a first movable rod 2, a second movable rod 3, and a connecting rod 4. One side of the hub 1 is movably connected to one end of the first movable rod 2 through a rotating shaft 5, the other end of the first movable rod 2 is movably connected to the second movable rod 3 through the rotating shaft 5, one end of the connecting rod 4 is movably connected to the second movable rod 3 through the rotating shaft 5, the other end of the connecting rod 4 is movably connected to the first movable rod 2 through the rotating shaft 5, and the connecting rod 4 is provided with a damping device.

[0034] The first movable rod 2 and the second movable rod 3 are both internally hollow structures, and a damping mechanism is arranged inside the first movable rod 2 and the second movable rod 3, the damping mechanism comprising a first damping rod 71, a plurality of dampers 72 being arranged in a certain interval outside the first damping rod 71, and the dampers 72 being arranged at equal intervals. The inner diameter of the first movable rod 2 can be different from the inner diameter of the second movable rod 3, in order to ensure better damping effect, the dampers 72 arranged inside the first movable rod 2 have an equal outer diameter to the inner diameter of the first movable rod 2, and the dampers 72 arranged inside the second movable rod 3 have an equal outer diameter to the inner diameter of the second movable rod 3. In the use process, when the hub is subjected to vibration, the connecting rod, the first movable rod and the second movable rod will all be subjected to vibration, the connecting rod can rely on the damping device to dampen, and when the first movable rod and the second movable rod are subjected to vibration by the connecting rod, the energy can be transmitted to the dampers, and the dampers can absorb the energy of the vibration to avoid damage to the first movable rod and the second movable rod.

[0035] The rotating shaft 5 comprises a rotating rod 51, and reinforcing ribs 52 are arranged at two ends of the rotating rod 51. By arranging the reinforcing ribs at the two ends of the rotating rod, the rotating shaft can be prevented from being tilted or deformed due to external force during the vibration of the hub. The rotating rod 51 comprises a shaft core 53, a zinc alloy layer 54 and a carbon steel layer 55 from inside to outside. The shaft core is made of metal material, and is sleeved with the zinc alloy layer and the carbon steel layer, so that the strength of the rotating rod can be increased. On the other hand, the wear resistance of the rotating rod can be improved, and the service life thereof can be prolonged.

[0036] The damping device comprises an internally hollow damping cylinder 61 and a second damping rod 62, and the second damping rod 62 and the damping cylinder 61 are both cylindrical, the outer diameter of the second damping rod 62 is equal to the inner diameter of the damping cylinder 61, the second damping rod 62 is located above the damping cylinder 61, a base 65 is arranged below the damping cylinder 61, a rubber pad is arranged at the bottom of the damping cylinder 61 and located above the base 65. A top base 63 is arranged above the second damping rod 62, a spring 64 is sleeved on the damping cylinder 61 and the second damping rod 62, one end of the spring 64 is connected with the base 65, the other end of the spring 64 is connected with the top base 63, and one end of the second damping rod 62 connected with the damping cylinder 61 is provided with a piston. The diameter of the spring 64 is greater than the diameter of the damping cylinder 61, the diameter of the spring 64 is less than the diameter of the top base 63, and the diameter of the spring 64 is less than the diameter of the base 65.

[0037] The above merely describes the embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A shock absorbing device for a new energy vehicle tire, characterized in that, The shock-absorbing device of the new energy automobile tire comprises a hub, a first movable rod, a second movable rod and a connecting rod, one side of the hub is movably connected with one end of the first movable rod through a rotating shaft, the other end of the first movable rod is movably connected with the second movable rod through a rotating shaft, one end of the connecting rod is movably connected with the second movable rod through a rotating shaft, the other end of the connecting rod is movably connected with the first movable rod through a rotating shaft, and a shock-absorbing device is formed on the connecting rod; The first movable rod and the second movable rod are both internally hollow structures, and a shock-absorbing mechanism is arranged in each of the first movable rod and the second movable rod, the shock-absorbing mechanism comprises a first shock-absorbing rod, a plurality of dampers are arranged on the outer side of the first shock-absorbing rod, and the dampers are arranged at equal intervals; The inner diameter of the first movable rod and the second movable rod is equal to the outer diameter of the damper. The damper is made of rubber.

2. The shock-absorbing device for new energy vehicle tires according to claim 1, characterized in that, The rotating shaft comprises a rotating rod, and reinforcing ribs are arranged at both ends of the rotating rod.

3. The shock-absorbing device for new energy vehicle tires according to claim 2, characterized in that, The rotating rod comprises a shaft core, a zinc alloy layer and a carbon steel layer from inside to outside.

4. The shock-absorbing device for new energy vehicle tires according to claim 1, characterized in that, The shock-absorbing device comprises an internally hollow shock-absorbing cylinder and a second shock-absorbing rod, the second shock-absorbing rod is arranged above the shock-absorbing cylinder, a base is arranged below the shock-absorbing cylinder, a top is arranged above the second shock-absorbing rod, a spring is sleeved on the shock-absorbing cylinder and the second shock-absorbing rod, one end of the spring is connected with the base, and the other end of the spring is connected with the top.

5. The shock-absorbing device for new energy vehicle tires according to claim 4, characterized in that, The outer diameter of the second shock-absorbing rod is equal to the inner diameter of the shock-absorbing cylinder.

6. The shock-absorbing device for new energy vehicle tires according to claim 4, characterized in that, The diameter of the spring is greater than the diameter of the shock-absorbing cylinder, the diameter of the spring is less than the diameter of the top, and the diameter of the spring is less than the diameter of the base.

7. The shock-absorbing device for new energy vehicle tires according to claim 4, characterized in that, A rubber pad is arranged at the bottom of the shock-absorbing cylinder.

Citation Information

Patent Citations

  • A shock absorption device for new energy vehicle tires

    CN110626135B