Automobile rim with buffering and damping structure

Abstract

The utility model discloses an automobile rim with a buffering and damping structure, which comprises a rim main body, a hub, spokes and an elastic element, the hub is arranged at the central position of the rim main body, central holes are uniformly formed in the hub, the spokes are uniformly arranged at the joint of the hub and the rim main body, and the elastic element is arranged on the rim main body. Buffer grooves are evenly distributed in the outer side of the hub, elastic elements are arranged in the buffer grooves, one ends of the spokes are connected with the elastic elements, through grooves are formed in the centers of the interiors of the elastic elements, supporting ribs are embedded in the through grooves, and cavities are evenly formed in the interiors of the elastic elements. By installing the rim body, the hub, the spokes, the buffer grooves, the elastic elements, the through grooves, the supporting ribs and the cavities, stress concentration at the joint of the spokes and the hub is dispersed, the jolting feeling is reduced, the risk of fatigue fracture of the spokes is reduced, and the service life of the rim body is prolonged by reducing vibration and impact.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile wheel rim, concretely is a kind of automobile wheel rim with buffer shock-absorbing structure. BACKGROUND

[0002] Automobile wheel rim is the metal part of wheel installation and support tire, usually by steel or aluminum alloy, it as the connecting structure between tire and axle, not only fixed tire position, also bear the vertical load, lateral force and brake torque when vehicle travels, its design directly influences the installation stability of tire, heat dissipation performance and vehicle handling.

[0003] Generally, automobile wheel rim lacks corresponding buffer shock-absorbing structure, road bumps, braking impact or tire imbalance vibration is directly transmitted to suspension system and vehicle body, exacerbate the jolt feeling of in-car occupants, reduce the ride comfort, part of wheel rim to buffer vibration, will increase rubber pad between spoke and wheel hub, but only through rubber pad to carry out shock absorption, not only effect is limited, and rubber pad is prone to deformation after long-term compression, leading to performance decline. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automobile wheel rim with buffer shock-absorbing structure to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile wheel rim with buffer shock-absorbing structure, including wheel rim main body, wheel hub, spoke and elastic element, the central position of the wheel rim main body is provided with wheel hub, the wheel hub is evenly provided with center hole, the connecting place of the wheel hub and wheel rim main body is evenly provided with spoke, the outside of the wheel hub is evenly distributed with buffer groove, and the inside of the buffer groove is provided with elastic element, one end of the spoke is connected with elastic element, and the central position in the inside of the elastic element is provided with through slot, the inside of the through slot is embedded with support rib, the inside of the elastic element is evenly provided with cavity.

[0006] Preferably, the elastic element is made of polyurethane elastomer, and the cavities are distributed in a concentric circle structure around the elastic element.

[0007] Preferably, the top of the two sides of the elastic element is provided with a guide block, and the inside of the buffer groove is provided with a guide groove matched with the guide block.

[0008] Preferably, a reserved groove is formed in the inside of the wheel rim main body, and a heating wire is embedded in the inside of the reserved groove, and a heat-conducting silicone grease is arranged at the top of the inside of the reserved groove.

[0009] Preferably, one side of the heating wire is provided with a first mica sheet, and the other side of the heating wire is provided with a second mica sheet.

[0010] Preferably, the number of spokes is provided with 6 groups, and the central position inside the spoke and the rim body are all formed with a hollow part.

[0011] Preferably, the inner side wall of the spoke is provided with an inner layer, and the outer side of the inner layer is provided with an outer protective layer, and the outer protective layer and the inner layer are provided with an intermediate layer.

[0012] Preferably, the inner layer is made of aramid honeycomb sandwich material, the outer protective layer is made of nano composite material, and the intermediate layer is made of aluminum alloy material.

[0013] Compared with the prior art, the automobile rim with the buffering and damping structure has the advantages that: the automobile rim with the buffering and damping structure is provided with a rim body, a hub, spokes, a buffering groove, an elastic element, a through groove, a supporting rib and a cavity, the elastic element is made of polyurethane elastomer, the elastic deformation of the elastic element can absorb the impact force from the road surface or the load, disperse the stress concentration at the connection between the spoke and the hub, reduce the bumping feeling, reduce the risk of spoke fatigue fracture, prolong the service life of the rim body by reducing vibration and impact, the through groove in the central part of the elastic element is embedded with the supporting rib, which provides structural support when the elastic element is compressed, prevents excessive deformation, maintains the shape stability of the elastic element, the cavity in the elastic element is compressed when compressed, absorbs impact energy, cooperates with the elastic element, and the cavity structure reduces the overall weight, improves fuel efficiency and endurance. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a front view structure schematic diagram of the present application;

[0016] Figure 2 It is a front view structure schematic diagram of the present application; Figure 1 It is an enlarged sectional structure schematic diagram of A in the figure;

[0017] Figure 3 It is a rim body local side view sectional structure schematic diagram of the present application;

[0018] Figure 4The utility model discloses a reserved groove amplification section structure schematic diagram.

[0019] Figure 5 The utility model discloses a spoke side wall section structure schematic diagram.

[0020] In the drawing: 1, the rim main body; 2, the wheel hub; 3, spoke; 4, the central hole; 5, the hollow part; 6, the buffer groove; 7, the elastic element; 8, the through groove; 9, the support rib; 10, the cavity; 11, the guide groove; 12, the guide block; 13, the reserved groove; 14, the heat-conducting silicone grease; 15, the first mica sheet; 16, the second mica sheet; 17, the heating wire; 18, the inner layer; 19, the intermediate layer; 20, the outer protective layer. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of automobile rim with buffer damping structure, including rim main body 1, wheel hub 2, spoke 3 and elastic element 7, the central position of rim main body 1 is provided with wheel hub 2, and wheel hub 2 is evenly provided with central hole 4, for connecting wheel hub 2 with vehicle axle head, tire is wrapped in the outside of rim main body 1;

[0023] Wheel hub 2 is evenly provided with spoke 3 at the connecting place of wheel hub 2 and rim main body 1, and the outside of wheel hub 2 is evenly distributed with buffer groove 6, and the inside of buffer groove 6 is provided with elastic element 7, and one end of spoke 3 is connected with elastic element 7, and elastic element 7 is made of polyurethane elastomer;

[0024] In the process of driving, the vibration received by rim main body 1 promotes spoke 3 end to extrude elastic element 7 in the buffer groove 6 outside wheel hub 2, and elastic element 7 is made of polyurethane elastomer, and under the same load, the rigidity of polyurethane elastomer is higher than that of rubber material, and it is not easy to deform;

[0025] The elastic deformation of elastic element 7 can absorb the impact force from road surface or load, disperse stress concentration at the connecting place of spoke 3 and wheel hub 2, reduce the risk of fatigue fracture of spoke 3, prolong the service life of rim main body 1 by reducing vibration and impact,;

[0026] The central position in the inside of elastic element 7 is evenly provided with through groove 8, and support rib 9 is embedded in the inside of through groove 8, provides structural support when elastic element 7 is under pressure, prevents excessive deformation, and maintains the shape stability of elastic element 7.

[0027] The elastic element 7 is internally uniformly provided with cavities 10, which are arranged in a concentric circle structure around the elastic element 7;

[0028] The cavities 10 in the elastic element 7 are compressed when subjected to pressure, absorb impact energy, cooperate with the elastic element 7, and the cavity 10 structure reduces the overall weight, improves fuel efficiency and endurance;

[0029] The top of the two sides of the elastic element 7 is provided with a guide block 12, and the inside of the buffer groove 6 is provided with a guide groove 11 matched with the guide block 12, which plays a guiding and limiting role when the elastic element 7 is extruded and deformed;

[0030] The inside of the rim body 1 is provided with a reserved groove 13, and the inside of the reserved groove 13 is embedded with a heating wire 17, which can heat the rim body 1 under low temperature conditions, thereby realizing the snow melting and ice preventing function, and the top of the inside of the reserved groove 13 is provided with a heat-conducting silicone grease 14, which can improve the heat transfer efficiency. The power supply can be realized by setting a transmitting coil on the hub 2 bearing and embedding a flat receiving coil in the inside of the rim body 1;

[0031] One side of the heating wire 17 is provided with a first mica sheet 15, and the other side of the heating wire 17 is provided with a second mica sheet 16, which plays an insulating role, and even if a single layer is damaged, it can still maintain insulation and improve safety;

[0032] The number of spokes 3 is 6 groups, and the central position inside the spoke 3 and the rim body 1 form a hollow part 5, which reduces the overall weight;

[0033] The inner side wall of the spoke 3 is provided with an inner layer 18, which is made of aramid honeycomb sandwich material. The porous properties of the honeycomb structure make it have good energy absorption capacity, which can effectively absorb and disperse impact energy, reduce vibration and noise, and improve ride comfort;

[0034] The outer side of the inner layer 18 is provided with an outer protective layer 20, which is made of nano composite material and has excellent wear resistance and impact resistance, which can effectively resist the erosion of road foreign matter and harsh environment, and protect the internal structure from damage;

[0035] The intermediate layer 19 is arranged between the outer protective layer 20 and the inner layer 18, which is made of aluminum alloy material and serves as the main bearing structure, providing sufficient rigidity and strength to ensure that the spoke 3 will not deform when subjected to load. Aluminum alloy has good thermal conductivity, which can quickly conduct heat away to prevent performance degradation due to overheating.

[0036] Working principle: in use, the rim body 1 is wrapped with a tire, and the vibration received by the rim body 1 during driving causes the end of the spoke 3 to extrude the elastic element 7 in the buffer groove 6 outside the hub 2, the elastic element 7 is made of polyurethane elastomer, the elastic deformation of the elastic element 7 can absorb the impact force from the road surface or the load, disperse the stress concentration at the connection between the spoke 3 and the hub 2, reduce the bumping feeling, and reduce the risk of fatigue fracture of the spoke 3, prolong the service life of the rim body 1 by reducing vibration and impact, the support rib 9 is embedded in the through groove 8 in the center of the elastic element 7, which provides structural support when the elastic element 7 is pressed, prevents excessive deformation, and maintains the shape stability of the elastic element 7, the cavity 10 in the elastic element 7 is compressed when pressed, absorbs impact energy, cooperates with the elastic element 7, and the cavity 10 structure reduces the overall weight, improves fuel efficiency and endurance, the spoke 3 is provided with an inner layer 18, an intermediate layer 19 and an outer protective layer 20 from inside to outside, the inner layer 18 is made of aramid honeycomb sandwich material, the porous properties of the honeycomb structure make it have good energy absorption capacity, which can effectively absorb and disperse impact energy, reduce vibration and noise, and improve ride comfort, the intermediate layer 19 is made of aluminum alloy material, which provides sufficient rigidity and strength as the main bearing structure to ensure that the spoke 3 will not deform when bearing load, and the aluminum alloy has good thermal conductivity, which can quickly conduct heat away to prevent performance degradation due to overheating, the outer protective layer 20 is made of nanocomposite material, which has excellent wear resistance and impact resistance, and can effectively resist the erosion of road debris and harsh environment to protect the internal structure from damage, in addition, the inner side of the rim body 1 is provided with a reserved slot 13, the heating wire 17 is embedded in the reserved slot 13, which can warm up the rim body 1 under low temperature conditions to realize the snow melting and ice preventing function, and the top end of the reserved slot 13 is provided with heat-conducting silicone grease 14, which is beneficial to improve the heat transfer efficiency.

[0037] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0038] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0039] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and in the above-described drawings are used only for distinguishing between similar objects and do not necessarily have to describe a specific sequential or chronological order. It is to be understood that the data so distinguished can be interchanged, under appropriate circumstances, such that the embodiments of the present application described herein can be practiced in other than the illustrated or described order.

[0040] The preferred embodiments of the present application have been described above with the preferred embodiments, but the present application is not limited to the above examples. It will be appreciated by those skilled in the art that the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the present application.

Claims

1. An automobile wheel rim having a cushioning and damping structure, characterized by, Including the rim main part (1), the wheel hub (2), the spoke (3) and the elastic element (7), the central position of the rim main part (1) is provided with the wheel hub (2), the wheel hub (2) is evenly provided with the center hole (4), the wheel hub (2) and the connection of the rim main part (1) are evenly provided with the spoke (3), the outside of the wheel hub (2) is evenly distributed with the buffer groove (6), and the inside of the buffer groove (6) is provided with the elastic element (7), one end of the spoke (3) is connected with the elastic element (7), and the central position of the inside of the elastic element (7) is provided with the through slot (8), the inside of the through slot (8) is embedded with the support rib (9), and the inside of the elastic element (7) is evenly provided with the cavity (10).

2. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 1, characterized in that: The elastic element (7) is made of polyurethane elastomer, and the cavity (10) is distributed in a concentric circle structure around the elastic element (7).

3. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 1, characterized in that: The top of the elastic element (7) is provided with a guide block (12), and the inside of the buffer groove (6) is provided with a guide groove (11) matched with the guide block (12).

4. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 1, characterized in that: The inside of the rim main part (1) is provided with a reserved groove (13), and the inside of the reserved groove (13) is embedded with a heating wire (17), and the top of the inside of the reserved groove (13) is provided with a heat-conducting silicone grease (14).

5. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 4, characterized in that: One side of the heating wire (17) is provided with a first mica sheet (15), and the other side of the heating wire (17) is provided with a second mica sheet (16).

6. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 1, characterized in that: The number of the spoke (3) is provided with 6 groups, and the central position of the inside of the spoke (3) and the rim main part (1) forms a hollow part (5).

7. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 1, characterized in that: The inner wall of the spoke (3) is provided with an inner layer (18), and the outer side of the inner layer (18) is provided with an outer protective layer (20), and the outer protective layer (20) and the inner layer (18) are provided with an intermediate layer (19).

8. The automobile wheel rim with a buffering and shock-absorbing structure according to claim 7, characterized in that: The inner layer (18) is made of aramid honeycomb sandwich material, the outer protective layer (20) is made of nano composite material, and the intermediate layer (19) is made of aluminum alloy material.

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