阅读说明：本技术 一种接地面积可调的双胎结构车轮 (Double-tire structure wheel with adjustable grounding area ) 是由 孙丽 于 2020-05-21 设计创作，主要内容包括：本发明属于轮胎技术领域,涉及一种接地面积可调的双胎结构车轮,包括主轮实心胎1、主轮辋2、副传动轴3、锁紧小螺栓4、限位块5、副轮辋6、锁紧大螺栓7、副轮外胎8、单向轴承9、副轮充气内胎10、调气阀11、主传动轴12,本发明采用双胎式结构,在不同路面或不同行驶状态下,通过调节副轮外胎的气压以改变副轮外胎的外径,从而改变轮胎的接地面积,进而实现减小制动距离以提高安全性能的目的,具有结构简单、使用方便、设计合理和实用高效等优点,并且主副轮胎可以考虑与轮毂和电机链接,从而实现动能回收和混动加速。(The invention belongs to the technical field of tires, and relates to a double-tire structure wheel with an adjustable grounding area, which comprises a main wheel solid tire 1, a main wheel rim 2, an auxiliary transmission shaft 3, a small locking bolt 4, a limiting block 5, an auxiliary wheel rim 6, a large locking bolt 7, an auxiliary wheel cover tire 8, a one-way bearing 9, an auxiliary wheel inflatable inner tube 10, an air regulating valve 11 and a main transmission shaft 12.)

1. A double-tire structure wheel with an adjustable grounding area comprises a main wheel solid tire (1), a main wheel rim (2), an auxiliary transmission shaft (3), a small locking bolt (4), a limiting block (5), an auxiliary wheel rim (6), a large locking bolt (7), an auxiliary wheel outer tire (8), a one-way bearing (9), an auxiliary wheel inflatable inner tire (10), a gas regulating valve (11) and a main transmission shaft (12), and is characterized in that the main transmission shaft (12) is a solid cylindrical rigid body, one end of the main transmission shaft is connected with a power device of an automobile to output power, the other end of the main transmission shaft is a T-shaped joint and is fixedly connected with the main wheel rim (2) through the small locking bolt (4), the auxiliary transmission shaft (3) is internally installed in the main transmission shaft (12), a circular array hole jointed with the main wheel solid tire (1) is arranged on the inner circle of the main wheel rim (2) and is connected with the T-shaped joints of the main, the outer edge of the outer ring of the main rim (2) is provided with a groove, one end of the auxiliary transmission shaft (3) is provided with a T-shaped joint and fixedly connected with the main rim (2) through a small locking bolt (4), the other end of the auxiliary transmission shaft is provided with a built-in threaded hole outside for installing a one-way bearing (9), the one-way bearing (9) is sleeved on the auxiliary transmission shaft (3), the auxiliary rim (6) is sleeved on the one-way bearing (9), an air regulating valve (11) is arranged on the inner ring of the auxiliary rim (6), the limiting block (5) is a narrow cylinder, the built-in threaded hole is matched with the built-in threaded hole at one end of the auxiliary transmission shaft (3) in size, the large locking bolt (7) rotates to the built-in threaded holes of the limiting block (5) and the auxiliary transmission shaft (3) to limit the axial movement of the auxiliary rim (6), and the auxiliary wheel inflation inner tube (, the inner hole is connected with the air regulating valve (11), and the auxiliary wheel outer tire (8) wraps the auxiliary wheel inflatable inner tire (10) and is embedded on the outer side of the outer ring of the auxiliary wheel rim (6).

2. A ground-contact-area-adjustable two-tyre wheel according to claim 1, characterized in that the connection between the inner and outer rings of the main rim (2) and the sub-rim (6) is designed as a flap.

3. The adjustable footprint two-ply wheel as claimed in claim 1, wherein said outboard end of said secondary drive axle is designed with a shoulder.

4. The double-tire structure wheel with the adjustable ground contact area as claimed in claim 1, wherein the number of the air regulating valves (11) is not less than 2, and the air regulating valves are uniformly distributed in a circular array.

5. The wheel with adjustable ground contact area and double tire structure as claimed in claim 1, wherein the secondary transmission shaft (3) is connected with the hub and the motor through connecting wires.

Technical Field

The invention belongs to the field of wheels, and particularly relates to a double-tire structure wheel with an adjustable grounding area.

Background

With the technical development of automobiles and the increasing pursuit of users on the performance and the economy of the automobiles, most manufacturers match wide low-section-rate tires with the automobiles to meet the high requirements of consumers on braking performance, but the width of the tires has a great influence on the oil consumption of the automobiles running for long distance, the abrasion degree is larger than that of narrow tires, and the wheels can generate standing wave phenomenon when the automobiles run at high speed, and can explode seriously to easily cause the out-of-control of the automobiles.

Disclosure of Invention

In order to solve the above problems, the present invention provides a double-tire structure wheel with an adjustable ground contact area, which adopts a double-tire structure, changes the outer diameter of an outer tire of a secondary wheel by adjusting the air pressure of the outer tire of the secondary wheel under different road surfaces or different driving states, thereby changing the ground contact area of the tire, and further realizes the purpose of reducing the braking distance to improve the safety performance, and has the advantages of simple structure, convenient use, reasonable design, practicality, high efficiency, and the like, to achieve the purpose, the invention provides a double-tire structure wheel with an adjustable ground contact area, which comprises a main wheel solid tire, a main wheel rim, a secondary transmission shaft, a small locking bolt, a limiting block, a secondary wheel rim, a large locking bolt, an outer tire of the secondary wheel, a one-way bearing, a secondary wheel inflation inner tube, an air regulating valve and a main transmission shaft, wherein the main transmission shaft is a solid cylindrical rigid body, one end of which is connected with a power, the auxiliary transmission shaft is internally arranged in the main transmission shaft, a circular array hole which is jointed with a solid tire of the main wheel is arranged on the inner circle of the main rim and is connected with a T-shaped joint of the main transmission shaft and the auxiliary transmission shaft, a groove is designed on the outer edge of a circle of the outer circle of the main rim, one end of the auxiliary transmission shaft is provided with the T-shaped joint which is fixedly connected with the main rim through a locking small bolt, the other end of the auxiliary transmission shaft is provided with a built-in threaded hole outside for installing a one-way bearing, the one-way bearing is sleeved on the auxiliary transmission shaft, the auxiliary rim is sleeved on the one-way bearing, an air regulating valve is arranged on the inner circle of the auxiliary rim, the limiting block is a narrow cylinder, the built-in threaded hole inside the limiting block is matched with the built-in threaded hole at one end of the auxiliary transmission shaft in size, the locking large bolt rotates to the, the inner hole is connected with the air regulating valve, and the auxiliary wheel outer tire covers the auxiliary wheel inflatable inner tire and is embedded outside the outer ring of the auxiliary wheel rim.

In a further improvement of the present invention, in view of achieving light weight while satisfying strength, a connecting portion between the main rim and the inner and outer rings of the sub-rim is designed to have a shape of a flap.

According to the further improvement of the invention, the outer side end of the auxiliary transmission shaft is designed with a shoulder to facilitate the installation and lubrication of the one-way bearing.

The invention further improves the air regulating valves, and the air regulating valves are designed to be not less than 2 and uniformly distributed according to a circular array in consideration of uniform internal air pressure of the inflatable inner tube of the auxiliary wheel when the grounding area is changed.

The invention further improves that the auxiliary transmission shaft is connected with the hub and the motor through the connecting wire, and the main tire and the auxiliary tire can be considered to be connected with the hub and the motor, thereby realizing kinetic energy recovery and hybrid acceleration.

The utility model provides a ground area adjustable double tire structure wheel, concrete advantage is as follows:

1) the double-tire structure is adopted, the structure is simple and compact, most parts are from the traditional wheel, a new mold does not need to be redesigned for manufacturing, the processing and manufacturing are easy, and the manufacturing cost is low;

2) the device is installed from inside to outside, the installation and disassembly modes are simple, and the follow-up maintenance and repair of workers are easy;

3) the ground contact area of the wheel can be changed, so that when braking is needed, the air pressure of the auxiliary wheel is reduced by the deflation of the air regulating valve, and the auxiliary wheel does not participate in grounding, so that the ground contact area of the tire is reduced, and the braking safety is improved;

4) the road is a bumpy road, the air pressure of the auxiliary wheel is expanded by air intake of the air regulating valve, and the auxiliary wheel participates in grounding, so that the grounding area of the tire is increased, and the driving safety under severe ground conditions is improved;

5) the application can be matched with corresponding external kinetic energy to recover and collect redundant energy as required.

Drawings

FIG. 1 schematic illustration 1 of the present invention;

FIG. 2 is a schematic view of the present invention FIG. 2;

FIG. 3 is a schematic view 3 of the present invention;

illustration of the drawings:

1. the main wheel is a solid tire; 2. a main rim; 3. a secondary drive shaft; 4. locking the small bolt; 5. a limiting block; 6. a sub-rim; 7. locking a big bolt; 8. an auxiliary wheel outer tire; 9. a one-way bearing; 10. the secondary wheel is used for inflating the inner tube; 11. a gas regulating valve; 12. a main drive shaft.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

the invention provides a double-tire structure wheel with an adjustable grounding area, which adopts a double-tire structure, changes the outer diameter of an auxiliary wheel cover tire by adjusting the air pressure of the auxiliary wheel cover tire under different road surfaces or different driving states, thereby changing the grounding area of the tire, further realizing the purpose of reducing the braking distance to improve the safety performance, and has the advantages of simple structure, convenient use, reasonable design, practicability, high efficiency and the like.

The invention provides a double-tire structure wheel with adjustable grounding area, which comprises a main wheel solid tire 1, a main wheel rim 2, an auxiliary transmission shaft 3, a small locking bolt 4, a limiting block 5, an auxiliary wheel rim 6, a large locking bolt 7, an auxiliary wheel outer tire 8, a one-way bearing 9, an auxiliary wheel inflatable inner tire 10, an air regulating valve 11 and a main transmission shaft 12, and is characterized in that the main transmission shaft 12 is a solid cylindrical rigid body, one end of the main transmission shaft is connected with a power device of an automobile to output power, the other end of the main transmission shaft is a T-shaped joint and is fixedly connected with the main wheel rim 2 through the small locking bolt 4, the auxiliary transmission shaft 3 is internally arranged in the main transmission shaft 12, the main wheel rim 2 is made of high-strength aluminum alloy, a circular array hole is formed in the inner circle and is connected with the T-shaped joints of the main transmission shaft 12 and the auxiliary transmission shaft 3 to be conveniently jointed with the main wheel solid tire 1, a, the locking small bolt 4 is fixedly connected with the main wheel rim 2, the outer side of a built-in threaded hole is formed in the other end of the locking small bolt and used for installing the one-way bearing 9, the one-way bearing 9 is sleeved on the auxiliary transmission shaft 3, the auxiliary wheel rim 6 is sleeved on the one-way bearing 9, the air regulating valve 11 is arranged on the inner ring of the locking small bolt, the limiting block 5 is designed for preventing the auxiliary wheel rim 6 from axially moving, the limiting block 5 is a narrow cylinder, the built-in threaded hole is matched with the built-in threaded hole in one end of the auxiliary transmission shaft 3 in size, the locking large bolt 7 rotates to the limiting block 5 and the built-in threaded hole in the auxiliary transmission shaft 3 to limit the axial movement of the auxiliary wheel rim 6, the auxiliary wheel inflatable inner tube 10 is arranged on the periphery of the outer ring of the auxiliary wheel rim 6, the inner hole is connected.

As a specific embodiment of the invention, the invention provides a double-tire structure wheel with adjustable grounding area as shown in fig. 1-3, which comprises a main wheel solid tire 1, a main rim 2, an auxiliary transmission shaft 3, a locking small bolt 4, a limiting block 5, an auxiliary rim 6, a locking large bolt 7, an auxiliary wheel outer tire 8, a one-way bearing 9, an auxiliary wheel inflatable inner tube 10, an air regulating valve 11 and a main transmission shaft 12, and is characterized in that the main transmission shaft 12 is a solid cylindrical rigid body, one end of which is connected with a power device of an automobile to output power, the other end of which is a T-shaped joint fixedly connected with the main rim 2 through the locking small bolt 4, the auxiliary transmission shaft 3 is internally arranged in the main transmission shaft 12, the main rim 2 is made of high-strength aluminum alloy material and has five-lobed shape, and a circular array hole is arranged on the inner circle to be connected with the T-shaped joints of the main transmission shaft 12 and the auxiliary transmission shaft 3, a groove is designed on the outer edge of the outer ring, a T-shaped joint is arranged at one end of the auxiliary transmission shaft 3 and fixedly connected with the main rim 2 through a locking small bolt 4, a one-way bearing 9 is arranged on the outer side of a built-in threaded hole at the other end, a shoulder is designed at the outer side end of the auxiliary transmission shaft to facilitate the mounting and lubrication of the one-way bearing 9, the one-way bearing 9 is sleeved on the auxiliary transmission shaft 3, the auxiliary rim 6 is sleeved on the one-way bearing 9, an air regulating valve 11 is arranged on the inner ring, the connecting part of the inner ring and the outer ring is designed into a three-blade-shaped structure to realize light weight, a limiting block 5 is designed to prevent the auxiliary rim 6 from axially moving, the limiting block 5 is a narrow cylinder and is attached to one end part of the auxiliary transmission shaft 3, the built-in threaded hole is matched with the size of the, with the axial displacement of spacing auxiliary rim 6, auxiliary wheel inflatable inner tube 10 is arranged in 6 outer lane peripheries of auxiliary rim, and it is continuous with air regulating valve 11 to have interior porose, auxiliary wheel cover tire 8 parcel auxiliary wheel inflatable inner tube 10 plays the guard action, inlays in 6 outer lane outsides of auxiliary rim, and the inside atmospheric pressure of auxiliary wheel inflatable inner tube 10 is even when considering ground area to change, 2 are no less than in air regulating valve 11 design, according to circular array evenly distributed.

This application auxiliary transmission shaft 3 connects through the connecting wire and links with wheel hub and motor, and the main and auxiliary tire can consider to link with wheel hub and motor to realize that kinetic energy retrieves and thoughtlessly moves with higher speed. .

The working principle of the application is as follows:

when the vehicle runs, the air regulation proportion of the air regulation valve is obtained through the surveyed ground information and the vehicle running state information. The main wheel is a non-inflation wheel, the auxiliary wheel is a inflation wheel, the diameters of the two wheels are consistent in the full inflation state, and the main wheel is slightly larger than the auxiliary wheel in the insufficient inflation state. When braking is needed, the air regulating valve is used for deflating to reduce the air pressure of the secondary wheel, the tire pressure is increased, the contact area is large, the ground braking force is increased, the secondary wheel does not participate in grounding, and therefore the grounding area of the tire is reduced, and if the secondary wheel is connected with the motor in the process, kinetic energy can be recovered and converted into electric energy; when the road is a bumpy road, the air regulating valve is used for air inlet to expand the air pressure of the auxiliary wheel, the auxiliary wheel can be in passive contact with the ground due to the fact that the wheel diameters are not large in difference and the auxiliary wheel is in rough road conditions, the auxiliary wheel is in ground connection, the ground connection area of the tire is enlarged, air can be discharged during acceleration, and the main transmission shaft and the auxiliary transmission shaft output power together are mixed and accelerated.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.