CN213298187U

CN213298187U - Gravity recovery tire

Info

Publication number: CN213298187U
Application number: CN202022535856.2U
Authority: CN
Inventors: 邓平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-05-28
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a gravity recovery tire, which comprises a wheel cover tire and a wheel hub, wherein a plurality of flexible cavity bags are arranged in the wheel cover tire along the circumferential direction, and the cavity bags are connected with a driving device arranged on the tire through a connecting channel; the medium in the cavity bag is compressed to drive the driving device to rotate so as to apply driving force to the tire. When the weight of the vehicle body causes the bottom of the tire to be pressed and deformed, the cavity bag is contracted, and the medium in the cavity bag is pressed and then directly applies driving force to the tire through the driving device on the tire. The utility model discloses the tire deformation energy that arouses on-vehicle gravity is retrieved through the chamber bag to direct action is on the tire, and energy conversion is more direct, and conversion efficiency is high. And the driving device is arranged on the tire, other auxiliary devices are not needed, and the installation and maintenance are simpler. In addition, the chambers are stored with media which are relatively sealed and independent, and the tire can still keep a certain pressure after the tire is burst, so that safety accidents caused by burst are prevented.

Description

Gravity recovery tire

Technical Field

The utility model belongs to the technical field of the automobile parts, especially, relate to a tire is retrieved to gravity that can effectively utilize tire deformation energy that on-vehicle gravity caused.

Background

The tyre is one of the important parts of the automobile, is directly contacted with the road surface, and is used for relieving the impact on the automobile when the automobile runs together with the automobile suspension, so that the automobile is ensured to have good riding comfort and running smoothness. During running, because the wheel rolls circularly, the vehicle-mounted gravity is not pressed on a fixed part of the tire at a fixed point, but is alternately pressed on each part of the tire continuously along with the high-speed rotation of the wheel. In the portion pressed by the vehicle-mounted gravity, the air pressure inside the tire does not change, the rubber structure outside the tire collapses due to the pressure, and the air volume in the portion where the tire collapses becomes smaller. When the wheel continuously rotates and advances, each partial surface of the tire can be circularly and continuously compressed and deflated, and the compressed part can be continuously rotated to the back of the tire to restore the original shape. The energy of the tire deformation caused by the gravity is wasted.

The prior art also has the technical scheme of recovering the deformation energy, but the schemes drive a power generation component to generate and store power through tire deformation. The scheme has low energy recovery and conversion efficiency, needs additional power generation components and energy storage components, and has complex structure and high cost. Moreover, these energy recovery components need to be mounted on the vehicle body, which is more complicated to install and maintain.

Disclosure of Invention

The utility model discloses aim at provides a direct action on the tire to current tire gravity recovery unit's defect, and energy conversion is efficient, installs and maintains convenient gravity recovery tire.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

the utility model provides a gravity recovery tire, includes wheel cover tire and wheel hub, its characterized in that: a plurality of flexible cavity bags are arranged in the outer tire of the wheel along the circumferential direction and are connected with a driving device arranged on the tire through a connecting channel; the medium in the cavity bag is compressed to drive the driving device to rotate so as to apply driving force to the tire. When the weight of the vehicle body causes the bottom of the tire to be pressed and deformed, the cavity bag is contracted, the medium in the cavity bag is pressed and then directly applies driving force to the tire through the driving device on the tire, the energy conversion is more direct, and the conversion efficiency is high. And the driving device is arranged on the tire, other auxiliary devices are not needed, and the installation and maintenance are simpler.

It is further characterized in that: the medium in the cavity bag is liquid, the driving device comprises a hydraulic pump and a transmission mechanism connected to the hydraulic pump, and the hydraulic pump transmits driving force to the wheel outer tire through the transmission mechanism. Because the compression ratio of the liquid medium is small, the deformation and contraction force of the cavity bag caused by gravity can be well transmitted, and the energy conversion efficiency is higher when the liquid medium directly acts on the tire through the transmission mechanism.

Further: the transmission mechanism comprises a driving gear fixedly connected with the hydraulic pump shaft, and the driving gear is meshed with two driven gears; the hub is provided with a gear ring, and the driven gear is meshed with the gear ring. The driving force is output through the gear transmission mechanism, the structure is simple, the transmission efficiency is high, and the manufacturing and maintenance cost is low.

Preferably: the driving gear and the driven gear are arranged on the same straight line, the diameter of the driving gear is larger than that of the driven gear, and the diameters of the two driven gears are equal. The driving gear with larger diameter can amplify the linear speed of the rotation of the hydraulic pump, and the driving force output to the tire is more direct.

Preferably: the hydraulic pump is fixedly connected to the hydraulic pump fixing shaft; the hydraulic pump fixing shaft is arranged in the automobile driving shaft; the connecting channel comprises an oil outlet pipe and an oil return pipe, the oil outlet pipe and the oil return pipe are respectively connected with two annular grooves on the fixed shaft of the hydraulic pump, and the two annular grooves are respectively connected with an oil inlet channel and an oil outlet channel of the hydraulic pump. After the single cavity bag is compressed by gravity, the liquid in the cavity bag flows to one of the annular grooves through the oil outlet pipe, then the hydraulic pump is driven to rotate through the oil inlet channel, the backflow liquid flows to the other annular groove through the oil outlet channel of the hydraulic pump, and then flows back to the deformed and rebounded cavity bag through the oil return pipe.

Preferably: an oil pipe connecting disc is arranged on the hydraulic pump fixing shaft, two rows of connecting channels are radially arranged in the oil pipe connecting disc and are respectively and correspondingly connected with the oil outlet pipe and the oil return pipe of the cavity bag; the two rows of connecting channels are respectively connected with the two annular grooves through two axially arranged channels. The liquid medium flows in the hydraulic pump fixing shaft, and the hydraulic pump fixing shaft is not only used for fixing the hydraulic pump, but also used as a liquid transmission channel.

And the oil outlet pipe and the oil return pipe are respectively provided with a one-way valve. The one-way valve is arranged so as to ensure one-way flow of the liquid medium.

It is further characterized in that: the cavity bag is arranged between the inner tube of the wheel and the hub. For vehicles with large load capacity, an inner tube is arranged in the tire, and the deformation of the cavity is transmitted through the inner tube of the wheel.

The utility model discloses the tire deformation energy that arouses on-vehicle gravity is retrieved through the chamber bag to direct action is on the tire, and energy conversion is more direct, and conversion efficiency is high. And the driving device is arranged on the tire, other auxiliary devices are not needed, and the installation and maintenance are simpler. In addition, the chambers are stored with media which are relatively sealed and independent, and the tire can still keep a certain pressure after the tire is burst, so that safety accidents caused by burst are prevented.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a schematic diagram of a cell structure.

Fig. 3 is a schematic view of a fixed shaft structure of the hydraulic pump.

FIG. 4 is a schematic cross-sectional view of a stationary shaft of the hydraulic pump.

Fig. 5 is a schematic structural diagram of the transmission mechanism.

Fig. 6 is a schematic diagram of a hydraulic pump.

Detailed Description

As shown in fig. 1, the gravity recovery tire comprises a wheel cover tire 1, a wheel inner tube 2 and a wheel hub 4, wherein a plurality of flexible cavities 3 are arranged in the wheel cover tire 1 along the circumferential direction, and the cavities 3 are arranged between the wheel inner tube 2 and the wheel hub 4.

As shown in fig. 1 and 2, the chamber 3 is filled with a liquid medium. Each cavity bag 3 is provided with an oil outlet pipe 5 and an oil return pipe 6, and the oil outlet pipe 5 and the oil return pipe 6 are respectively provided with a one-way valve 7.

As shown in fig. 1, 3 and 4, a hydraulic pump fixing shaft 9 is provided in the vehicle drive shaft 8, and a hydraulic pump 10 is fixedly connected to the hydraulic pump fixing shaft 9. An oil pipe connecting disc 91 is arranged on the hydraulic pump fixing shaft 9, and two rows of connecting channels 92 are radially arranged in the oil pipe connecting disc 91 and respectively and correspondingly connected with the oil outlet pipe 5 and the oil return pipe 6 of the cavity bag 3; the two rows of connecting channels 92 are connected to two annular grooves 94 on the fixed shaft 9 of the hydraulic pump by two axially arranged channels 93, respectively. The two annular grooves 94 are connected to an oil inlet passage and an oil outlet passage of the hydraulic pump 10, respectively.

As shown in fig. 5, a shaft of the hydraulic pump 10 is fixedly connected with a driving gear 11, and the driving gear 11 is meshed with two driven gears 12; the hub 4 is provided with a ring gear 13, and the driven gear 12 is meshed with the ring gear 13. The axes of the driving gear 11 and the driven gear 12 are on the same straight line, the diameter of the driving gear 11 is larger than that of the driven gear 12, and the diameters of the two driven gears 12 are equal.

The utility model discloses during operation, automobile body weight causes tire bottom oppression to warp, and the wheel rotates for a plurality of chamber bags 3 shrink in proper order. The liquid in the cavity bag 3 drives the hydraulic pump 10 shown in fig. 6 to rotate through the oil outlet pipe 5, the connecting channel 92 in the oil pipe connecting disc 91, the axial channel 93, the annular groove 94 and the oil inlet channel of the hydraulic pump 10, drives the driving gear 11 on the shaft of the hydraulic pump 10 to rotate, synchronously drives the driven gear 12 to rotate, and the driven gear 12 changes the recovered gravity into driving force through the gear ring 13 on the hub 4 and applies the driving force to the tire. The liquid in the hydraulic pump 10 passes through the oil outlet channel of the hydraulic pump 10, the annular groove 94 of the hydraulic pump fixed shaft 9, the axial channel 93 and the connecting channel 92 in sequence. In the rolling process of the tire, after the compressed cavity 3 leaves the bottommost position, the deformation recovery is started, the hydraulic pressure in the cavity 3 is low, and the backflow liquid enters the recovered cavity 3 to form circulation. The plurality of cavities 3 are sequentially contracted, so that the gravity of the vehicle can be continuously converted into driving force to drive the tire to rotate, and energy recovery is realized.

The medium in the cavity 3 can also be gas, and the driving device for power conversion can also be a pneumatic pump.

The utility model discloses energy conversion is more direct, and conversion efficiency is high. And the driving device is arranged on the tire, other auxiliary devices are not needed, and the installation and maintenance are simpler. The transmission mechanism comprises a driving force output through a gear transmission mechanism, and has the advantages of simple structure, high transmission efficiency and low manufacturing and maintenance cost. In addition, the chambers are stored with media which are relatively sealed and independent, and the tire can still keep a certain pressure after the tire is burst, so that safety accidents caused by burst are prevented.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gravity recovery tire, includes wheel cover tire and wheel hub, its characterized in that: a plurality of flexible cavity bags are arranged in the outer tire of the wheel along the circumferential direction and are connected with a driving device arranged on the tire through a connecting channel; the medium in the cavity bag is compressed to drive the driving device to rotate so as to apply driving force to the tire.

2. A gravity recovery tire according to claim 1 wherein: the medium in the cavity bag is liquid, the driving device comprises a hydraulic pump and a transmission mechanism connected to the hydraulic pump, and the hydraulic pump transmits driving force to the wheel outer tire through the transmission mechanism.

3. A gravity recovery tire according to claim 2 wherein: the transmission mechanism comprises a driving gear fixedly connected with a hydraulic pump shaft, and the driving gear is meshed with two driven gears; the hub is provided with a gear ring, and the driven gear is meshed with the gear ring.

4. A gravity recovery tire according to claim 3 wherein: the driving gear and the driven gear are arranged on the same straight line, the diameter of the driving gear is larger than that of the driven gear, and the diameters of the two driven gears are equal.

5. A gravity recovery tyre according to any one of claims 2 to 4, wherein: the hydraulic pump is fixedly connected to the hydraulic pump fixing shaft; the hydraulic pump fixing shaft is arranged in the automobile driving shaft; the connecting channel comprises an oil outlet pipe and an oil return pipe, the oil outlet pipe and the oil return pipe are respectively connected with two annular grooves on the fixed shaft of the hydraulic pump, and the two annular grooves are respectively connected with an oil inlet channel and an oil outlet channel of the hydraulic pump.

6. A gravity recovery tire according to claim 5 wherein: an oil pipe connecting disc is arranged on the hydraulic pump fixing shaft, two rows of connecting channels are radially arranged in the oil pipe connecting disc and are respectively and correspondingly connected with the oil outlet pipe and the oil return pipe of the cavity bag; the two rows of connecting channels are respectively connected with the two annular grooves through two axially arranged channels.

7. A gravity recovery tire according to claim 5 wherein: and the oil outlet pipe and the oil return pipe are respectively provided with a one-way valve.

8. A gravity recovery tyre according to any one of claims 1 to 4, wherein: the cavity bag is arranged between the inner tube of the wheel and the hub.