CN204701392U - One is exempted to inflate cross-country vehicle wheel - Google Patents

Abstract

The utility model discloses a non-inflatable off-road wheel, which is composed of a flexible rim, an elastic spoke and a rigid hub. The non-inflatable off-road wheel is normally installed on an off-road vehicle. During the driving process of the off-road vehicle, the inflatable off-road wheel bears the pressure of complex road surfaces. Function, the flexible rim and elastic spokes are elastically deformed by external force. After no external force, they return to their original shape, effectively buffer external force, reduce vehicle vibration, increase the bearing capacity of the vehicle body, and imitate the polyurethane interlayer of honeycomb hexagonal structure , improve the firmness of the wheel, and the uniform load distribution improves environmental adaptability and safety. The rubber layer is distributed as rubber thorns, which improves the traction performance and adhesion performance of the vehicle. The utility model has the advantages of simple structure, convenient replacement and strong applicability, is suitable for various complex road surfaces, avoids air leakage and tire blowout, can effectively reduce vehicle vibration, increase vehicle body bearing capacity and vehicle body cushioning force, and strengthen It improves the environmental adaptability and safety, and improves the traction performance and adhesion performance of the vehicle.

Description

A non-inflatable off-road wheel

technical field

The utility model relates to a wheel, in particular to an air-free off-road wheel.

Background technique

China is one of the countries with the most cars in the world. Tires are an important part of cars. The quality and performance of tires directly affect the safety and driving performance of cars. At present, rubber pneumatic tires are generally used for the wheels of road vehicles. With the my country's development and exploration of desert tidal flats, soft seabeds and starry sky surface has increased, as well as the research and development and upgrading of military vehicle mobile systems. The requirements for tires are also getting higher and higher. Most of the tires are rubber elastic tires, which are difficult to adapt to various conditions when walking. Complicated roads and poor load-carrying capacity. When driving on extremely complex non-road surfaces, it needs to be inflated and deflated regularly to improve its off-road maneuverability. High, too much tire pressure will cause dangerous situations such as tire blowout, poor reliability, and even endanger the personal safety of members in severe cases. In the prior art, the tire is a solid tire, and the spring or hydraulic element is used as the elasticity of the elastic spokes. Wheel technology, but the price is expensive, the structure is complex, the repair and maintenance costs are high, the cushioning force is poor, and it is easy to damage.

Contents of the invention

The purpose of the utility model is to solve the problems of low reliability, poor bearing capacity, difficulty in adapting to various complex road surfaces and potential safety hazards in the existing wheels, and provide a non-inflatable off-road wheel.

The utility model is composed of a flexible rim, an elastic spoke and a rigid hub, the flexible rim is fixed on the outer side of the elastic spoke, and the rigid hub is fixed on the inner side of the elastic spoke;

The flexible rim includes a steel ring, a polyurethane interlayer and a rubber layer. The rubber layer is fixed on the outer side of the polyurethane interlayer, and the steel ring is fixed on the inner side of the polyurethane interlayer. The polyurethane interlayer is a nearly H-shaped structure that is radially symmetrical to the wheel center. They are 155° and 125° respectively, and the contact points connected to the steel ring have an angle of 30° along the radial direction passing through the center of the wheel, and are evenly distributed on the steel ring at an interval of 40°, forming a honeycomb hexagonal structure;

The elastic spokes include first elastic spokes and second elastic spokes, the two ends of the first elastic spokes and the second elastic spokes are respectively fixed on the rigid hub and the steel ring, and the connection point between the rigid hub and the steel ring is 60 ° equidistantly connected, the centerlines of the first elastic spoke and the second elastic spoke are spaced at 60°, and the first elastic spoke and the second elastic spoke are herringbone equilateral triangles;

The elastic spokes include first elastic spokes, second elastic spokes and elliptical elastic spokes, the two ends of the first elastic spokes and the second elastic spokes are respectively fixed on the rigid hub and the steel ring, and the connection between the rigid hub and the steel ring The points are connected at equal intervals of 60°, the centerlines of the first elastic spoke and the second elastic spoke are spaced at 60°, and several elliptical elastic spokes are respectively arranged in the first elastic spoke and the second elastic spoke, and are fixed at equal intervals Set on the rigid hub and steel ring, the first elastic spoke and the second elastic spoke are herringbone equilateral triangle;

The elastic spokes include first elastic spokes, second elastic spokes and elliptical elastic spokes, the two ends of the first elastic spokes and the second elastic spokes are respectively fixed on the rigid hub and the steel ring, and the connection between the rigid hub and the steel ring The points are connected at equal intervals of 60°, the centerlines of the first elastic spoke and the second elastic spoke are spaced at 60°, several elliptical elastic spokes are arranged outside the first elastic spoke and the second elastic spoke, and several elliptical The shaped elastic spokes are respectively fixed on the elastic spokes and the steel ring, and the first elastic spokes and the second elastic spokes are herringbone equilateral triangles.

Working principle and process of the utility model:

The non-inflatable off-road wheel A is normally installed on the off-road vehicle. During the driving of the off-road vehicle, the non-inflatable off-road wheel A is subjected to the action of the complex road surface. The flexible rim and elastic spokes are elastically deformed by external force. The shape can effectively buffer the external force, reduce the vibration of the vehicle and increase the bearing capacity of the vehicle body. The polyurethane interlayer imitating the hexagonal structure of the honeycomb improves the firmness of the wheel, and the load is evenly distributed to improve the environmental adaptability and safety. The rubber layer is distributed as The rubber wheel thorns improve the traction performance and adhesion performance of the vehicle.

The beneficial effects of the utility model:

The utility model has the advantages of simple structure, convenient replacement and strong applicability, is suitable for various complex road surfaces, avoids air leakage and tire blowout, can effectively reduce vehicle vibration, increase vehicle body bearing capacity and vehicle body cushioning force, and strengthen It improves the environmental adaptability and safety, and improves the traction performance and adhesion performance of the vehicle.

Description of drawings

Fig. 1 is a perspective view of the first embodiment of the utility model.

Fig. 2 is a schematic perspective view of the second embodiment of the utility model.

Fig. 3 is a front view of the third embodiment of the utility model.

Fig. 4 is a schematic perspective view of a third embodiment of the utility model.

Detailed ways

Please refer to Fig. 1, Fig. 2 and shown in Fig. 3, the utility model is made up of flexible wheel rim 1, elastic wheel spoke 2 and rigid wheel hub 3, flexible wheel rim 1 is fixedly arranged on the outside of elastic wheel spoke 2, rigid wheel hub 3 is fixedly arranged on Elastic spoke 2 inside;

The flexible rim 1 includes a steel ring 11, a polyurethane interlayer 12 and a rubber layer 13. The rubber layer 13 is fixed on the outside of the polyurethane interlayer 12, and the steel ring 11 is fixed on the inside of the polyurethane interlayer 12. The polyurethane interlayer 12 is nearly radially symmetrical to the center of the wheel. H-shaped structure, the upper and lower angles of the structure are 155° and 125° respectively, and the contact points connected to the steel ring 11 are at an angle of 30° along the radial axis passing through the center of the wheel, and are evenly distributed on the steel ring at intervals of 40°. On the circle, a hexagonal structure imitating a honeycomb is formed;

Elastic spoke 2 comprises first elastic spoke 21 and second elastic spoke 22, first elastic spoke 21 and second elastic spoke 22 two ends are respectively fixedly arranged on rigid wheel hub 3 and steel ring 11, and rigid wheel hub 3 and steel ring The connection points in 11 are connected at equal intervals of 60°, the centerlines of the first elastic spoke 21 and the second elastic spoke 22 are spaced at 60°, and the first elastic spoke 21 and the second elastic spoke 22 are herringbone equilateral triangles;

Elastic spoke 2 comprises first elastic spoke 21, second elastic spoke 22 and oval elastic spoke 23, first elastic spoke 21 and second elastic spoke 22 two ends are respectively fixedly arranged on rigid wheel hub 3 and steel ring 11, and in The connection points in the rigid hub 3 and the steel ring 11 are connected at equal intervals of 60°, the centerlines of the first elastic spokes 21 and the second elastic spokes 22 are spaced at 60°, and several elliptical elastic spokes 23 are respectively arranged on the first In the elastic spokes 21 and the second elastic spokes 22, and equidistantly fixedly arranged on the rigid hub 3 and the steel ring 11, the first elastic spokes 21 and the second elastic spokes 22 are herringbone equilateral triangles;

Elastic spoke 2 comprises first elastic spoke 21, second elastic spoke 22 and oval elastic spoke 23, first elastic spoke 21 and second elastic spoke 22 two ends are respectively fixedly arranged on rigid wheel hub 3 and steel ring 11, and in The connection points in the rigid hub 3 and the steel ring 11 are connected at equal intervals of 60°, the centerlines of the first elastic spokes 21 and the second elastic spokes 22 are spaced at 60°, and several elliptical elastic spokes 23 are respectively arranged on the first Outside the elastic spokes 21 and the second elastic spokes 22, several elliptical elastic spokes 23 are respectively fixed on the elastic spokes 21 and the steel ring 11, the first elastic spokes 21 and the second elastic spokes 22 are herringbone equilateral triangles.

Working principle and process of the utility model:

As shown in Figure 1, the non-inflatable off-road wheel A is normally installed on the off-road vehicle. During the running of the off-road vehicle, the non-inflatable off-road wheel A bears the action of the complex road surface, and the flexible rim 1 and the elastic spoke 2 are elastically deformed by external forces After no external force, the original shape is restored, effectively buffering external force, reducing vehicle vibration, increasing the bearing capacity of the vehicle body, and the polyurethane interlayer 12 imitating the honeycomb hexagonal structure improves the firmness of the wheel, and the load is evenly distributed to improve environmental adaptability The rubber layer 13 is distributed as rubber thorns, which improves the traction performance and adhesion performance of the vehicle.

After the car 10 stops, the hall door 9 and the car door 10 are opened, and the sensor 8 transmits an opening signal to the controller 61, and the controller 61 controls the brake 62 to stop the gear 2 from rotating, and it is in a locked state to prevent the car 10 from moving accidentally .

Claims (5)

1. An air-free off-road wheel, characterized in that: it is composed of a flexible rim (1), an elastic spoke (2) and a rigid hub (3), and the flexible rim (1) is fixedly arranged on the outside of the elastic spoke (2) , the rigid hub (3) is fixedly arranged on the inner side of the elastic spoke (2); The flexible rim (1) includes a steel ring (11), a polyurethane interlayer (12) and a rubber layer (13), the rubber layer (13) is fixed on the outside of the polyurethane interlayer (12), and the steel ring (11) is fixed on the polyurethane interlayer (12) On the inner side, the polyurethane interlayer (12) is a nearly H-shaped structure that is radially symmetrical to the wheel center. The upper and lower angles of the structure are 155° and 125° respectively, and the contact point with the steel ring (11) passes through the center of the wheel The angle between the radial axes is 30°, and the interval is 40°, which are evenly distributed on the steel ring, forming a honeycomb hexagonal structure. 2. A kind of air-free off-road wheel according to claim 1, characterized in that: the elastic spokes (2) comprise first elastic spokes (21) and second elastic spokes (22), first elastic spokes (21) and The two ends of the second elastic spokes (22) are respectively fixedly arranged on the rigid hub (3) and the steel ring (11), and between the connection points in the rigid hub (3) and the steel ring (11) are 60° equidistant For connection, the first elastic spoke (21) and the second elastic spoke (22) centerlines are spaced at 60°, and the first elastic spoke (21) and the second elastic spoke (22) are herringbone equilateral triangles. 3. A kind of air-free off-road wheel according to claim 1, characterized in that: the elastic spokes (2) comprise first elastic spokes (21), second elastic spokes (22) and oval elastic spokes (23), The first elastic spoke (21) and the second elastic spoke (22 two ends are respectively fixedly arranged on the rigid hub (3) and the steel ring (11), and at the connection point in the rigid hub (3) and the steel ring (11) 60 ° equidistant connection between them, the first elastic spoke (21) and the second elastic spoke (22) centerlines are spaced at 60 °, and several elliptical elastic spokes (23) are respectively arranged on the first elastic spoke (21) And in the second elastic spoke (22), and equidistant is fixedly arranged on the rigid wheel hub (3) and the steel ring (11), the first elastic spoke (21) and the second elastic spoke (22) are herringbone regular triangles. 4. A kind of air-free off-road wheel according to claim 1, characterized in that: the elastic spokes (2) comprise a first elastic spoke (21), a second elastic spoke (22) and an oval elastic spoke (23), The two ends of the first elastic spoke (21) and the second elastic spoke (22) are respectively fixedly arranged on the rigid hub (3) and the steel ring (11), and the connection in the rigid hub (3) and the steel ring (11) The points are connected at equal intervals of 60°, the centerlines of the first elastic spoke (21) and the second elastic spoke (22) are spaced at 60°, and several elliptical elastic spokes (23) are respectively arranged on the first elastic spoke (21 ) and the second elastic spoke (22), and several oval elastic spokes (23) are respectively fixedly arranged on the elastic spokes (21) and the steel ring (11), the first elastic spokes (21) and the second elastic spokes (22) is herringbone regular triangle. 5. A non-inflatable off-road wheel according to claim 1, characterized in that: the elastic spokes are spring steel made of 60SiMn material, the polyurethane interlayer material is a polyurethane elastomer with a hardness greater than Shore D60, and the hub material is made of A356.20 Aluminum alloy material is processed by casting.