CN110654168B

CN110654168B - Inflation-free tire with variable contact area

Info

Publication number: CN110654168B
Application number: CN201910922381.1A
Authority: CN
Inventors: 王艳萍
Original assignee: Da Yingke Nanjing Equipment Co ltd
Current assignee: Da Yingke Nanjing Equipment Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2021-12-17
Anticipated expiration: 2039-09-27
Also published as: CN110654168A

Abstract

The invention discloses an inflation-free tire with a variable contact area, which comprises a pressure regulating air bag, wherein the pressure regulating air bag is arranged in an inner groove, an elastic supporting part is arranged between the pressure regulating air bag and the inner surface of a tire body, the elastic supporting part comprises two side-by-side arranged rims, a plurality of elastic sheets which are connected between the two rims and distributed in a circumferential array manner and a plurality of elastic driving parts which are connected between the two rims and distributed in a circumferential array manner, the rims are fixed on the tire wall of the tire, and the elastic driving parts comprise a cylinder body, a first piston, a first plug rod, a second piston, a second plug rod and a three-way joint; the pressure regulating air bag and the elastic supporting component are arranged to support the tire body, so that the tire body can keep the shape of the tire without being inflated, the failure problems of tire puncture, tire burst and the like can be effectively avoided, and the pressure regulating air bag and the elastic supporting component are matched to change the contact area between the tire and the ground so as to influence the rolling resistance of the tire.

Description

Inflation-free tire with variable contact area

Technical Field

The invention relates to an inflation-free tire with a variable contact area.

Background

The existing tires are basically pneumatic tires, the problems of tire puncture or tire burst and the like often occur, and the contact area between the tire and the ground can not be adjusted and changed basically.

Disclosure of Invention

The invention aims to overcome the defects and provide a non-inflation tire with a variable contact area.

In order to achieve the purpose, the invention adopts the following specific scheme:

the utility model provides an exempt from to aerify and variable area of contact's tire, includes the tire body, the tire body is including the tire wall that extends formation, internal surface and the internal surface that is relative with the tread and the inner groovy that two tire walls formed with the central axis of the tire body towards the tire body with ground contact, tread both sides, the interval is equipped with the child line that is used for antiskid and increase frictional force on the tread, still includes the pressure regulating gasbag, the pressure regulating gasbag is located in the inner groovy, be provided with the elastic support part between the internal surface of pressure regulating gasbag and tire body, the elastic support part includes two rims that set up side by side, a plurality of connection are connected between two rims and are the flexure strip of circumference array distribution and a plurality of connection are connected between two rims and are the elastic drive spare of circumference array distribution, the rim is fixed on the tire wall of tire, the elastic drive spare is including cylinder body, First piston, first cock stem, second piston, second cock stem, three way connection, the both ends of cylinder body are equipped with the end cover respectively, first piston locates the cylinder body with second piston symmetry, the one end and the first piston fixed connection of first cock stem, its other end pass and articulate behind the end cover on the border ring, the one end and the second piston fixed connection of second cock stem, its other end pass and articulate behind the end cover on the another side ring, three way connection's both ends are connected with trachea, two respectively tracheal other end communicates with the first cavity between first piston and the end cover and the second cavity between second piston and the end cover communicates, three way connection still communicates with the pressure regulating gasbag.

And a silencer is also connected to the middle chamber between the first piston and the second piston.

Wherein, be equipped with two limit way water drainage tank and two central drainage tank that are located between two limit way water drainage tank on the tread, limit way water drainage tank adopts asymmetric single inclined plane fluting setting, central drainage tank adopts the setting of two fillets fluting.

The invention has the beneficial effects that: compared with the prior art, the pressure regulating air bag and the elastic supporting component are arranged to support the tire body, so that the tire body can keep the shape of the tire without being inflated, the failure problems of tire puncture, tire burst and the like can be effectively avoided, the compressibility of the pressure regulating air bag is combined with the tire wall of the tire body to realize two-stage buffering, and the shock absorption performance is better; and the pressure regulating gasbag cooperates with the elastic support part to realize changing the area of contact size of tire and ground, and then influences the rolling resistance of tire to adjust the area of contact of tire and ground according to the road conditions of difference, reduce the area of contact of tire and bottom surface and do benefit to the fuel economy, and increase the area of contact of tire and ground and do benefit to the nature controlled that makes the car and strengthen greatly.

Drawings

FIG. 1 is a perspective view of a tire provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a tire according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an elastic support member provided in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a flexible driving member provided in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a tire body provided in an embodiment of the present invention;

FIG. 6 is a schematic structural view of another perspective of a tire body provided by an embodiment of the present invention;

FIG. 7 is an enlarged partial schematic view at I of FIG. 6;

description of reference numerals: 1-a tyre body; 11-tread; 111-side road drainage channel; 112-central drainage channel; 12-a tyre wall; 13-an inner surface; 2-pressure regulating air bag; 3-an elastic support member; 31-a rim; 32-an elastic sheet; 33-a resilient drive member; 331-cylinder body; 332-a first piston; 333-a first stopper rod; 334-a second piston; 335-a second stopper rod; 336-three way connection; 337-trachea; 338-muffler.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 7, the tire with no inflation and variable contact area described in this embodiment includes a tire body 1, the tire body 1 includes a tread 11 contacting with the ground, sidewalls 12 formed by extending two sides of the tread 11 toward the central axis of the tire body 1, an inner surface 13 opposite to the tread 11, and an inner groove formed by the inner surface 13 and the two sidewalls 12, the tread 11 is provided with a tread pattern for preventing slipping and increasing friction at intervals, the tire further includes a pressure regulating airbag 2, the pressure regulating airbag 2 is disposed in the inner groove, an elastic supporting member 3 is disposed between the pressure regulating airbag 2 and the inner surface 13 of the tire body 1, the elastic supporting member 3 includes two side-by-side rims 31, a plurality of elastic pieces 32 connected between the two rims 31 and distributed in a circumferential array, and a plurality of elastic driving members 33 connected between the two rims 31 and distributed in a circumferential array, the rim 31 is fixed on the sidewall 12 of the tire, preferably, the number of the elastic sheets 32 is 60, the number of the elastic driving member 33 is 8, the elastic driving member 33 includes a cylinder 331, a first piston 332, a first plug rod 333, a second piston 334, a second plug rod 335, and a three-way joint 336, two ends of the cylinder 331 are respectively provided with an end cap, the first piston 332 and the second piston 334 are symmetrically arranged in the cylinder 331, one end of the first plug rod 333 is fixedly connected with the first piston 332, the other end thereof passes through the end cap and then is hinged on the rim 31, one end of the second plug rod 335 is fixedly connected with the second piston 334, the other end thereof passes through the end cap and then is hinged on the other rim 31, two ends of the three-way joint 336 are respectively connected with air pipes 337, the other ends of the two air pipes 337 are respectively communicated with a first chamber between the first piston 332 and the end cap and a second chamber between the second piston 334 and the end cap, the three-way joint 336 is also communicated with the pressure regulating airbag 2, thereby communicating the first and second chambers with the pressure regulating airbag 2.

When the tyre is installed, the tyre body 1 is rigidly supported by the pressure regulating air bag 2 and the elastic supporting component 3, so that the tyre body 1 does not need to be inflated and can also meet the requirement of keeping the shape of the tyre; when the air pressure in the airbag 2 is adjusted, the air pressures in the first chamber and the second chamber are simultaneously changed, thereby controlling the first stopper 333 and the second stopper 335 to move toward or away from each other; when the air pressure in the pressure regulating air bag 2 is increased, the air pressure in the first chamber and the second chamber is increased, so that the first piston 332 and the second piston 334 respectively drive the first piston rod 333 and the second piston rod 335 to move oppositely, the first piston rod 333 and the second piston rod 335 simultaneously drive the two rims 31 to move oppositely, the distance between the two rims 31 is further changed, the elastic sheet 32 is deformed under the extrusion action of the two rims 31, and the elastic sheet 32 is bent outwards along the radial direction to jack up the tread 11 of the tire body 1, so that the contact area between the tire and the ground is reduced; similarly, when the air pressure in the pressure regulating air bag 2 is reduced, the air pressure in the first chamber and the air pressure in the second chamber are reduced, the first plug rod 333 and the second plug rod 335 move away from each other, the distance between the two rims 31 is increased at the moment, the elastic sheet 32 does not receive the extrusion force at the moment, the elastic deformation is recovered, the two rims 31 are pushed to move away from each other, and the elastic sheet 32 is recovered until the original state is recovered, so that the contact area between the tire and the ground is increased.

In the embodiment, the pressure regulating air bag 2 and the elastic supporting part 3 are arranged to support the tire body 1, so that the tire body 1 can keep the shape of the tire without being inflated, the problems of tire puncture, tire burst and the like can be effectively avoided, the compressibility of the pressure regulating air bag 2 is combined with the tire wall 12 of the tire body 1 to realize two-stage buffering, and the shock absorption performance is better; and the pressure regulating air bag 2 is matched with the elastic supporting component 3 to change the size of the contact area between the tire and the ground, so that the rolling resistance of the tire is influenced, the contact area between the tire and the ground is adjusted according to different road conditions, the contact area between the tire and the bottom surface is reduced, the fuel saving is facilitated, and the contact area between the tire and the ground is increased, so that the controllability of the automobile is greatly enhanced.

As shown in fig. 4, based on the above embodiment, a muffler 338 is further connected to the intermediate chamber between the first piston 332 and the second piston 334, so as to reduce noise generated during the operation of the elastic driving element 33.

As shown in fig. 7, based on the above embodiment, further, two side drainage grooves 111 and two central drainage grooves 112 located between the two side drainage grooves 111 are provided on the tread 11, the side drainage grooves 111 are formed by asymmetric single-slope grooving, so that the foreign matter can be effectively prevented from being jammed into the side drainage grooves 111, and the central drainage grooves 112 are formed by double-fillet grooving, so as to reduce the deformation stress of the tire body 1.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. The utility model provides an exempt from to aerify and variable area of contact's tire, a serial communication port, including tire body (1), tire body (1) including tread (11) with ground contact, tread (11) both sides extend child wall (12) that form towards the central axis of tire body (1), internal surface (13) and internal surface (13) relative with tread (11) and the inner groovy that two child walls (12) formed, interval is equipped with the child line that is used for antiskid and increase frictional force on tread (11), still includes pressure regulating gasbag (2), pressure regulating gasbag (2) are located in the inner groovy, be provided with elastic support part (3) between internal surface (13) of pressure regulating gasbag (2) and tire body (1), elastic support part (3) include two rims (31) that set up side by side, a plurality of connection are between two rims (31) and are elastic sheet (32) and a plurality of connection of circumference array distribution and are connected between two rims (31) Between and be elastic drive spare (33) that circumference array distributes, curb (31) are fixed on child wall (12) of tire, elastic drive spare (33) are including cylinder body (331), first piston (332), first stopper rod (333), second piston (334), second stopper rod (335), three way connection (336), the both ends of cylinder body (331) are equipped with the end cover respectively, first piston (332) and second piston (334) symmetry are located in cylinder body (331), the one end and the first piston (332) fixed connection of first stopper rod (333), its other end pass hinge on curb (31) behind the end cover, the one end and the second piston (334) fixed connection of second stopper rod (335), its other end pass hinge on another curb (31) after the end cover, the both ends of three way connection (336) are connected with trachea (337) respectively, two the other end of trachea (337) respectively with first piston (332) and the first cavity between the end cover The communication is communicated with a second chamber between the second piston (334) and the end cover, and the three-way joint (336) is also communicated with the pressure regulating air bag (2).

2. An inflation-free and variable contact area tire as in claim 1, wherein a muffler (338) is further connected to the intermediate chamber between said first piston (332) and said second piston (334).

3. The non-pneumatic and variable-contact-area tire as claimed in claim 2, wherein two side drainage grooves (111) and two central drainage grooves (112) are arranged on the tread (11), the two side drainage grooves (111) are arranged in an asymmetric single-bevel groove arrangement, and the central drainage groove (112) is arranged in a double-fillet groove arrangement.