Lightweight automobile hub structure

By designing a hollow sandwich layer filled with oil in the car wheel hub and using a one-way valve system for heat dissipation, the structural strength and heat dissipation problems in the lightweight design of the wheel hub are solved, achieving efficient heat dissipation and shape restoration of the wheel hub, and improving the vehicle's handling performance and safety.

CN223559403UActive Publication Date: 2025-11-18YANSHAN UNIV
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Patent Information

Application Number
CN202520035557.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-11-18
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing automotive wheel hubs, in their lightweight design, suffer from insufficient structural strength and difficulty in effectively dissipating heat, affecting vehicle handling performance and driving safety.

Method used

Design a car wheel hub structure with a hollow sandwich layer. The sandwich layer is filled with oil, which is used as a heat conduction medium and a one-way valve system is used to assist in heat dissipation. At the same time, a pressurization device is used to restore the shape of the wheel hub when it is deformed.

Benefits of technology

While ensuring the strength of the wheel hub, the weight is reduced, heat dissipation is effectively improved to lower the temperature, material deformation is prevented, and vehicle handling performance and safety are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light-weight automobile hub structure, which relates to the technical field of automobile hubs and comprises a hub shell, a bead seat is arranged on the outer side of the hub shell, and a steel beam part used for being connected with a hub flange is arranged on the inner side of the hub shell. The tire bead seat and the steel beam part are each provided with a hollow interlayer used for storing oil, the inner side of the tire bead seat is fixedly connected with a plurality of high-speed exhaust assemblies distributed in a circumferential array mode, and the steel beam part is fixedly connected with a plurality of high-speed air inlet assemblies distributed in a circumferential array mode. The multiple high-speed exhaust assemblies and the high-speed air inlet assemblies communicate with the hollow interlayer. Compared with a solid metal hub, the hub has the advantages that the hollow interlayer used for being filled with the oil liquid is formed, the weight can be reduced on the premise that the strength of the hub is guaranteed through the hollow structure and the oil liquid filling, and meanwhile when the rotating speed of a vehicle is high, air is introduced into the hollow interlayer to assist in heat dissipation of the hub.
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Description

TECHNICAL FIELD

[0001] The utility model discloses automobile hub technical field especially relates to a light weight's automobile hub structure. BACKGROUND

[0002] With the rapid development of automobile industry and the increasing requirement of people to the automobile performance, the light weight of automobile hub has become one of the key research directions in the industry, on the one hand, light weight helps to reduce the overall energy consumption of the vehicle, improve fuel economy, in the energy increasingly nervous and environmental protection requirement increasingly strict, this has important significance to reduce the exhaust emission, alleviate energy crisis. On the other hand, the lighter hub mass can effectively reduce the spring under mass of the vehicle, and then significantly improve the handling performance, acceleration performance and braking performance of the vehicle, bring more outstanding driving experience and higher driving safety for the driver.

[0003] At present, in order to realize the light weight target, most of the existing automobile hubs adopt hollow structure design to reduce the weight. Although this design reduces the weight of the hub to a certain extent, it inevitably brings the problem of structural strength, because the hollow structure changes the overall rigidity distribution of the hub, and when bearing various complex loads (such as vertical gravity load, lateral steering force, braking force during braking and impact force caused by road bumping) in the process of vehicle driving, its ability to resist deformation and damage is relatively weakened.

[0004] Based on the above point, the person skilled in the art proposes a light weight automobile hub structure. INVENTION CONTENTS

[0005] The utility model discloses a light weight automobile hub structure, which is designed to have a hollow interlayer for filling oil. Compared with solid metal hubs, the hollow structure filled with oil can reduce weight while ensuring the strength of the hub. When the vehicle speed is high, the hollow interlayer can introduce air to assist in heat dissipation of the hub.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A light weight automobile hub structure includes a hub shell, a tire bead seat is provided on the outer side of the hub shell, a steel beam part for connecting the hub flange is provided on the inner side of the hub shell, a hollow interlayer for storing oil is provided in the tire bead seat and the steel beam part, a plurality of high-speed exhaust assemblies arranged in a circular array are fixedly connected to the inner side of the tire bead seat, a plurality of high-speed intake assemblies arranged in a circular array are fixedly connected to the steel beam part, and the high-speed exhaust assemblies and the high-speed intake assemblies are in communication with the hollow interlayer.

[0008] Preferably: the high-speed exhaust assembly comprises an exhaust piston pipe, a centrifugal piston is connected to the inside of the exhaust piston pipe near the center of the hub shell through a spring, an L-shaped exhaust groove is formed in the centrifugal piston, and a one-way exhaust valve is fixedly connected to the outer side wall of the exhaust piston pipe and located outside the centrifugal piston.

[0009] Preferably: the high-speed exhaust assembly comprises an exhaust piston pipe, a centrifugal piston is connected to the inside of the exhaust piston pipe near the center of the hub shell through a spring, an L-shaped exhaust groove is formed in the centrifugal piston, and a one-way exhaust valve is fixedly connected to the outer side wall of the exhaust piston pipe and located outside the centrifugal piston.

[0010] Preferably: the outer side wall of the intake piston pipe and the same plane as the output end of the intake groove are fixedly connected with a hub recovery assembly, the hub recovery assembly comprises a plurality of oil inlet pipes, the oil inlet pipes are in communication with the intake groove, the other end of the plurality of oil inlet pipes is fixedly connected with an oil storage pipe, a valve core is installed on the front side wall of the oil storage pipe, an oil pressing plate is slidably connected to the inside of the oil storage pipe near the front side, and a limiting frame is fixedly connected to the inside of the oil storage pipe and located outside the oil pressing plate.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] 1、 the hollow layer for filling oil in the middle position of the hub in the utility model, the hollow structure plus oil filling compared with the solid metal hub, can reduce the weight under the premise of guaranteeing the hub strength, at the same time, the hub will produce a large amount of heat because of the friction with the brake system, especially in the frequent braking and high-speed rotation of itself in the driving process of automobile, the filled oil can be used as a kind of good heat conduction medium, the hollow hub with oil filling can more effectively dissipate heat, thereby reducing the temperature of the hub as a whole, which helps to protect the performance of hub material, prevents the problems such as material strength reduction and deformation caused by high temperature.

[0013] 2、 when the vehicle speed is fast, the oil in the hollow layer is extruded by the one-way exhaust valve, so that more oil enters the intake piston pipe, the driving piston is pushed to the direction of the one-way intake valve, at this time, the intake groove is communicated with the one-way intake valve, air is introduced into the hollow layer through the one-way intake valve, and the air enters from the one-way intake valve and is discharged from the one-way exhaust valve, the rapidly flowing gas passes through the oil at high speed, thereby taking away the heat in the oil, avoiding the accumulation of a large amount of heat in the hub shell rotating at high speed, thereby causing the deformation problem.

[0014] 3. The utility model discloses a wheel hub shell outside slight deformation appears, open the valve core, connect the pressurizing equipment with the valve core through the pipeline, and the pressurizing equipment injects gas to the wheel hub recovery component inside, makes the press oil board push oil liquid into the hollow sandwich, utilizes the oil liquid to expand the wheel hub shell, makes the wheel hub shell can restore the original shape fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall view of the light weight automobile wheel hub structure that the utility model proposes;

[0016] Figure 2 It is the first equal axis side sectional view of the light weight automobile wheel hub structure that the utility model proposes;

[0017] Figure 3 It is the enlarged diagram of fixed mark and rotating mark in the light weight automobile wheel hub structure that the utility model proposes;

[0018] Figure 4 It is the schematic diagram of rotating pipe in the light weight automobile wheel hub structure that the utility model proposes;

[0019] Figure 5 It is the second equal axis side sectional view of the light weight automobile wheel hub structure that the utility model proposes.

[0020] LEGEND:

[0021] 1, wheel hub shell;2, high -speed exhaust component;3, high -speed intake component;4, wheel hub recovery component;5, hollow sandwich;

[0022] 21, exhaust piston pipe;22, centrifugal piston;23, exhaust groove;24, one -way exhaust valve;

[0023] 31, intake piston pipe;32, drive piston;33, intake groove;34, one -way intake valve;

[0024] 41, oil inlet pipe;42, oil storage pipe;43, valve core;44, press oil board;45, limit support. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiment: refer to Figures 1-5The application discloses a light-weight automobile wheel hub structure, which comprises a wheel hub shell 1, a tire bead seat is formed on the outer side of the wheel hub shell 1, a steel beam part for connecting a wheel hub flange is arranged on the inner side of the wheel hub shell 1, the tire bead seat and the steel beam part are both provided with hollow interlayers 5 for storing oil, a plurality of high-speed exhaust assemblies 2 are fixedly connected to the inner side of the tire bead seat in a circumferential array, a plurality of high-speed air inlet assemblies 3 are fixedly connected to the steel beam part in a circumferential array, the high-speed exhaust assemblies 2 and the high-speed air inlet assemblies 3 are both communicated with the hollow interlayers 5, and the wheel hub is provided with the hollow interlayers 5 for filling oil in the middle position. Compared with a solid metal wheel hub, the hollow structure filled with oil can reduce the weight on the premise of ensuring the strength of the wheel hub, meanwhile, in the driving process of the automobile, the wheel hub will generate a large amount of heat due to the friction with the brake system, especially in the frequent braking and high-speed rotation of the wheel hub, the filled oil can be used as a good heat conduction medium, the hollow wheel hub filled with oil can more effectively dissipate the heat, thereby reducing the overall temperature of the wheel hub, which is helpful to protect the performance of the wheel hub material and prevent the problems of material strength reduction and deformation caused by high temperature.

[0027] In an optional embodiment, the high-speed exhaust assembly 2 comprises an exhaust piston pipe 21, a centrifugal piston 22 is connected to the inside of the exhaust piston pipe 21 through a spring at a position close to the center of the wheel hub shell 1, an L-shaped exhaust groove 23 is formed in the centrifugal piston 22, and a one-way exhaust valve 24 is fixedly connected to the outer side wall of the exhaust piston pipe 21 and located outside the centrifugal piston 22. When the rotating speed of the wheel hub is high, the centrifugal piston 22 is pressed against the spring under the action of centrifugal force, at this time, the exhaust groove 23 is communicated with the one-way exhaust valve 24, so that the gas flowing into the hollow interlayer 5 can be exhausted. The high-speed air inlet assembly 3 comprises an air inlet piston pipe 31, a driving piston 32 is fixedly connected to the inside of the air inlet piston pipe 31 through a spring at a position close to one end of the wheel hub shell 1, an L-shaped air inlet groove 33 is formed in the inside of the driving piston 32, and a one-way air inlet valve 34 is fixedly connected to the outer side wall of the air inlet piston pipe 31 and located away from the driving piston 32. When the rotating speed of the vehicle is high, the oil in the hollow interlayer 5 is pressed by the one-way exhaust valve 24, so that more oil enters the air inlet piston pipe 31, the driving piston 32 is pushed by the oil to move towards the one-way air inlet valve 34, at this time, the air inlet groove 33 is communicated with the one-way air inlet valve 34, air is introduced into the hollow interlayer 5 through the one-way air inlet valve 34, the air enters the one-way air inlet valve 34 and is exhausted from the one-way exhaust valve 24, the gas flowing fast passes through the oil at high speed, thereby taking away the heat in the oil, the hollow wheel hub filled with oil can more effectively dissipate the heat, thereby reducing the overall temperature of the wheel hub, which is helpful to protect the performance of the wheel hub material and prevent the problems of material strength reduction and deformation caused by high temperature. The one-way air inlet valve 34 and the one-way exhaust valve 24 are both gas one-way exhaust valves. The gas one-way exhaust valve contains a gas exhaust membrane, the gas exhaust membrane is a material with a microporous structure, the micropores of the material allow gas molecules to pass through, but liquid cannot pass through due to the action of liquid surface tension.

[0028] In an optional embodiment: the outer side wall of the intake piston pipe 31 and located in the same plane with the output end of the intake groove 33 is fixedly connected with the hub recovery assembly 4, the hub recovery assembly 4 includes a plurality of oil inlet pipes 41, the oil inlet pipes 41 are in communication with the intake groove 33, the other end of the oil inlet pipes 41 is fixedly connected with an oil storage pipe 42, the front side wall of the oil storage pipe 42 is installed with a valve core 43, the inside of the oil storage pipe 42 and located at the outer side of the oil pressing plate 44 is fixedly connected with a limiting frame 45. When the outer side of the hub shell 1 appears slight deformation, open the valve core 43, connect the pressurizing equipment with the valve core 43 through the pipeline, the pressurizing equipment injects air into the inside of the hub recovery assembly 4, so that the oil pressing plate 44 pushes the oil into the hollow sandwich layer 5, expands the hub shell 1 by using the oil, so that the hub shell 1 can quickly recover the original shape.

[0029] Working principle: the hub in the middle position opens the hollow sandwich layer 5 for filling oil, the hollow structure plus oil filling can reduce the weight on the premise of ensuring the strength of the hub, at the same time, in the process of driving, the hub will generate a lot of heat because of the friction with the brake system, especially in frequent braking and high-speed rotation, the filled oil can be a good heat conduction medium, this kind of hollow hub with oil filling can more effectively dissipate heat, so as to reduce the overall temperature of the hub, which helps to protect the performance of the hub material, prevent the problems of material strength decline and deformation caused by high temperature, when the vehicle speed is fast, the centrifugal piston 22 is pressed under the action of centrifugal force, at this time, the exhaust groove 23 is in communication with the one-way exhaust valve 24, the oil in the hollow sandwich layer 5 is extruded by the one-way exhaust valve 24, so that more oil enters the intake piston pipe 31, causing the driving piston 32 to be pushed by the oil to move to the direction of the one-way intake valve 34, at this time, the intake groove 33 is in communication with the one-way intake valve 34, air is introduced into the hollow sandwich layer 5 through the one-way intake valve 34, and the air enters from the one-way intake valve 34 and is discharged from the one-way exhaust valve 24, the rapidly flowing gas passes through the oil at high speed, thereby taking away the heat in the oil, avoiding the accumulation of a large amount of heat in the high-speed rotating hub shell 1, thereby causing the deformation problem to occur, at the same time, when the outer side of the hub shell 1 appears slight deformation, open the valve core 43, connect the pressurizing equipment with the valve core 43 through the pipeline, the pressurizing equipment injects air into the inside of the hub recovery assembly 4, so that the oil pressing plate 44 pushes the oil into the hollow sandwich layer 5, expands the hub shell 1 by using the oil, so that the hub shell 1 can quickly recover the original shape.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lightweight automobile wheel structure, characterized by: The application relates to a hub shell (1) provided with a bead seat on the outer side, a steel beam part for connecting a hub flange on the inner side, a hollow interlayer (5) for storing oil liquid in the bead seat and the steel beam part, a plurality of high-speed exhaust assemblies (2) fixedly connected to the inner side of the bead seat in a circumferential array, a plurality of high-speed air intake assemblies (3) fixedly connected to the steel beam part in a circumferential array, and the high-speed exhaust assemblies (2) and the high-speed air intake assemblies (3) being communicated with the hollow interlayer (5).

2. The light-weighted automobile wheel structure according to claim 1, characterized by: The high-speed exhaust assembly (2) comprises an exhaust piston pipe (21), the inside of the exhaust piston pipe (21) is connected with a centrifugal piston (22) through a spring at a position close to the center of the hub shell (1), the centrifugal piston (22) is provided with an L-shaped exhaust groove (23), and the outer side wall of the exhaust piston pipe (21) is fixedly connected with a one-way exhaust valve (24) at a position outside the centrifugal piston (22).

3. The light-weighted automobile wheel structure according to claim 2, characterized in that: The high-speed air intake assembly (3) comprises an air intake piston pipe (31), the inside of the air intake piston pipe (31) is fixedly connected with a driving piston (32) through a spring at a position close to one end of the hub shell (1), the inside of the driving piston (32) is provided with an L-shaped air intake groove (33), and the outer side wall of the air intake piston pipe (31) is fixedly connected with a one-way air intake valve (34) at a position away from the driving piston (32).

4. The light-weighted automobile wheel structure according to claim 3, characterized by: The outer side wall of the air intake piston pipe (31) is fixedly connected with a hub recovery assembly (4) at a position on the same plane as the output end of the air intake groove (33), the hub recovery assembly (4) comprises a plurality of oil inlet pipes (41), the oil inlet pipes (41) are communicated with the air intake groove (33), the other ends of the oil inlet pipes (41) are fixedly connected with oil storage pipes (42), the front side wall of the oil storage pipe (42) is provided with a valve core (43), the inside of the oil storage pipe (42) is slidably connected with an oil pressing plate (44) at a position close to the front side, and the inside of the oil storage pipe (42) is fixedly connected with a limiting frame (45) at a position outside the oil pressing plate (44).