CN106915203B - Non-inflatable low-speed cross-country vehicle tyre - Google Patents
Non-inflatable low-speed cross-country vehicle tyre Download PDFInfo
- Publication number
- CN106915203B CN106915203B CN201710281806.6A CN201710281806A CN106915203B CN 106915203 B CN106915203 B CN 106915203B CN 201710281806 A CN201710281806 A CN 201710281806A CN 106915203 B CN106915203 B CN 106915203B
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- Prior art keywords
- gas spring
- tire
- tread
- rim
- connecting disc
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
- B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
- B60B9/28—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes with telescopic action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
- B60C7/146—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs extending substantially radially, e.g. like spokes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/20—Avoidance of
- B60B2900/212—Damage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/321—Lifetime
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/14—Tyres specially adapted for particular applications for off-road use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention discloses a non-inflatable low-speed off-road vehicle tire, which solves the problems of easy tire burst, shorter service life and higher cost of the tire in the prior art, has the advantages of simple structure, easy maintenance and replacement, and can effectively avoid the damage of complex road conditions to the tire; the technical proposal is as follows: the tire comprises a rim, an inner ring and an outer ring formed by connecting a plurality of tread units end to end, wherein the inner ring is connected with the rim and the outer ring through a plurality of air springs, and the air springs automatically spring after the compressed tread units leave a ground-contacting surface when the tire rolls.
Description
Technical Field
The invention relates to the field of automobile tires, in particular to a non-inflatable low-speed off-road automobile tire.
Background
The off-road vehicle is a specially designed vehicle for off-road and can adapt to various road conditions in the field. Off-road tires are tires suitable for use when driving outdoors. Because the outdoor road conditions are very complicated, the tread is easy to wear, the tire body is not resistant to puncture and cutting, and the tire is extremely easy to discard due to puncture and cutting in the early stage, so that the service life of the tire is influenced, and great potential safety hazards are caused for vehicle running. While the non-pneumatic tires remedy many of the above-mentioned disadvantages, most non-pneumatic tires suffer from significant drawbacks in terms of service life and elasticity, or are expensive to manufacture.
In summary, there is no effective solution in the prior art for avoiding the problem of damaging the tire and increasing the service life of the tire.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a non-inflatable low-speed off-road vehicle tire which has the advantages of simple structure, easy maintenance and replacement and capability of effectively avoiding the damage of complex road conditions to the tire.
The invention adopts the following technical scheme:
the non-inflatable low-speed off-road vehicle tyre comprises a rim, an inner ring and an outer ring formed by connecting a plurality of tread units end to end, wherein the inner ring is connected with the rim and the outer ring through a plurality of air springs, and the compressed tread units automatically spring up after leaving a ground plane when the tyre rolls; when the tire rolls, the driving force, braking force, steering force, and the like of the tire are realized by the tread unit and the gas spring.
Further, one end of the tread unit is provided with a bulge, the other end of the tread unit is provided with a groove, and the tread units are connected together to form the combined tire by inserting the bulge into the groove of the adjacent tread unit.
Further, a layer of tread rubber is covered on the outer surface of the tread unit, and the tread rubber forms the patterns of the tire.
Further, a movement gap is arranged between the tread units, so that the tire can roll smoothly.
Further, a tread unit connecting disc is arranged on the inner side of the tread unit, a plurality of bolts I are arranged on the tread unit connecting disc, and the bolts I are inserts; the two sides of the tread unit connecting disc are provided with reinforcing ribs, and the reinforcing ribs can play a role in local support, so that the pressure of the tire grounding area is uniformly distributed.
Further, the tread unit connecting disc is made of rubber.
Further, the inner ring comprises two symmetrical annular components, an inner ring connecting disc is arranged in the circumferential direction of the inner ring, grooves with the same number as the gas springs are formed in the inner ring connecting disc, the cylinder bodies of the gas springs are clamped in the grooves, and a plurality of bolt holes I are formed in the outer sides of the grooves. The circumferential gas springs can be connected through the inner ring, so that the overall stability of the tire is enhanced.
Further, a rim connecting disc is arranged on the outer circumference of the rim, a plurality of bolts II are arranged on the rim connecting disc, and the bolts II are inserts; the inner side of the rim is provided with a wheel disc which is an insert and is embedded in the rim; the center of the wheel disc is provided with a shaft hole, the outer side of the shaft hole is provided with a screw hole, and the wheel shaft is connected with the tire through the shaft hole and the screw hole to transmit power.
Further, the top, the middle and the bottom of the gas spring are sequentially provided with a gas spring top connecting disc, a gas spring middle connecting disc and a gas spring bottom connecting disc, and bolt holes II are formed in the gas spring top connecting disc, the gas spring middle connecting disc and the gas spring bottom connecting disc.
Further, the tread unit connecting disc is inserted into a bolt hole II on the gas spring top connecting disc through a bolt I on the tread unit connecting disc to be connected with the gas spring top connecting disc.
Further, the middle connecting disc of the gas spring is connected with the inner ring connecting disc through screws.
Further, the rim connecting disc is inserted into a bolt hole II on the gas spring bottom connecting disc through a bolt II on the rim connecting disc to be connected with the gas spring bottom connecting disc.
Compared with the prior art, the invention has the beneficial effects that:
(1) The non-inflatable low-speed off-road vehicle tire adopts the tread unit with the unit combination, the production process and the process are greatly simplified compared with those of the inflatable tire, only core components such as an air outlet spring, the tread unit and the like are required to be prepared, and the vulcanization of the tread unit, the inner ring and the like can be completed on a small vulcanizing machine, so that a large amount of equipment investment can be saved, and the production difficulty can be reduced;
(2) Compared with the traditional tire complex structure, the invention has the advantages of simple structure, less types of parts and convenient maintenance;
(3) The invention has no inflation requirement of the traditional tire and no rim of the traditional tire, and compared with the common tire, the invention has the characteristics of no air leakage and no tire burst, fully avoids the possibility of the tire being pricked and thoroughly solves the problems of easy air leakage and tire burst of the traditional pneumatic tire;
(4) When the invention is subjected to impact load in the longitudinal direction, the internal supporting structure of the invention can generate much larger deformation than that of a common pneumatic tire through the gas spring, thereby reducing the road impact of the rugged road transmitted to a suspension and a vehicle body through the tire and improving the comfort of the vehicle;
(5) The gas spring is of a metal structure, has quite high strength and rigidity, can bear heavy load and is not easy to damage during operation in the wild.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the tread element of the present invention;
FIG. 3 is a schematic view of the inner ring of the present invention;
FIG. 4 is a schematic view of the structure of the gas spring of the present invention;
FIG. 5 is a schematic structural view of the rim in accordance with the present invention;
in the figure: the tire tread comprises a 1-tire tread unit, a 2-inner ring, a 3-gas spring, 4-screws, a 5-rim, a 6-shaft hole, 7-screw holes, 8-reinforcing ribs, 9-tire tread unit connecting discs, 10-bolts I, 11-inner ring connecting discs, 12-bolt holes I, 13-bolt holes II, 14-gas spring top connecting discs, 15-gas spring middle connecting discs, 16-gas spring bottom connecting discs, 17-rim connecting discs, 18-bolts II and 19-wheel discs.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As introduced by the background art, the defects of easy tire burst, shorter service life and higher cost exist in the prior art, and in order to solve the technical problems, the application provides a non-inflatable low-speed off-road vehicle tire.
In an exemplary embodiment of the present application, as shown in fig. 1-5, a non-pneumatic low-speed off-road vehicle tire is provided, which includes a rim 5, an inner ring 2, and an outer ring formed by connecting a plurality of tread units 1 end to end, wherein the inner ring 2 is connected with the rim 5 and the outer ring through a plurality of gas springs 3 arranged at equal intervals.
The tire tread unit is characterized in that the tire tread unit 1 is provided with a plurality of air outlet springs 3, the tire tread unit 1 is provided with an inner ring 2, the inner ring 2 is provided with an air outlet spring, and the air outlet spring is provided with a plurality of air outlet springs.
When the tire bears a load and rolls on a road surface, the tread unit 1 of the ground contact area and the air spring 3 supported in the tread unit roll along with the tire, and the compressed tread unit 1 automatically bounces after leaving the ground contact surface; when the tire rolls, the driving force, braking force, steering force, etc. of the tire are realized by the tread unit 1 and the gas spring 3.
One end of each tread unit 1 is provided with a bulge, the other end of each tread unit is provided with a groove, and the bulges are inserted into the grooves of the adjacent tread units 1 to enable the tread units 1 to be connected together to form a combined tire; the curvature radius of the tread unit 1 is the radius of the tire, and the number of the tread units 1 is the number of segments of the outer ring of the tire; the tread unit 1 can be disassembled, and the single tread unit 1 can be conveniently and quickly replaced, so that the service life of the tire can be prolonged, and the manufacturing and using cost of the tire can be greatly reduced.
The outer surface of the tread unit 1 is covered with a layer of tread rubber, and the tread rubber forms the pattern of the tire.
A movement gap is arranged between the tread units 1, so that the tire can roll smoothly.
The inner side of the tread unit 1 is provided with tread unit connecting discs 9, and each tread unit 1 is provided with two tread unit connecting discs 9 so as to facilitate the matching of an inner ring connecting disc 11 on the inner ring 2; the tread unit connecting disc 9 is a cylindrical boss, a plurality of bolts I10 are arranged on the tread unit connecting disc 9, and the bolts I10 are embedded in the tread unit connecting disc 9; the two sides of the tread unit connecting disc 9 are provided with reinforcing ribs 8, and the reinforcing ribs 8 can play a role in local support, so that the pressure of the tire grounding area is uniformly distributed.
The inner ring 2 consists of two symmetrical annular parts, an inner ring connecting disc 11 is arranged in the circumferential direction of the inner ring 2, and the inner ring connecting disc 11 is a rectangular boss; grooves with the same number as the gas springs 3 are formed in the inner side (the side opposite to the edge of the tire) of the inner ring connecting disc 11, one side of each groove is an open end, and the other side of each groove is a circular arc-shaped section; the cylinder body of the gas spring 3 is just clamped in the groove, and a plurality of bolt holes I12 are formed in the outer side of the groove. The inner ring 2 can connect the gas springs 3 at one side in the circumferential direction, so as to play a role in strengthening the overall stability of the tire.
The outer circumference of the rim 5 is provided with a rim connecting disc 17, the rim connecting disc 17 is provided with a plurality of bolts II18, and the bolts II18 are inserts and are embedded on the rim connecting disc 17; the inner side of the rim 5 is provided with a wheel disc 19, the wheel disc 19 is an insert and is embedded in the rim 5, the center of the wheel disc 19 is provided with a shaft hole 6, the outer side of the shaft hole 6 is circumferentially provided with a screw hole 7, and the wheel shaft is connected with a tire through the shaft hole 6 and the screw hole 7 to transmit power.
The top of the gas spring 3, the head of a piston rod of the gas spring 3 and the bottom of the gas spring 3 are sequentially provided with a gas spring top connecting disc 14, a gas spring middle connecting disc 15 and a gas spring bottom connecting disc 16, and the gas spring top connecting disc 14, the gas spring middle connecting disc 15 and the gas spring bottom connecting disc 16 are cylindrical bosses; the gas spring top connecting disc 14, the gas spring middle connecting disc 15 and the gas spring bottom connecting disc 16 are provided with bolt holes II13.
By using the air spring 3 as an internal support, the tire has no inflation requirement of the traditional tire and has no rim of the traditional tire, compared with the common tire, the tire has the characteristics of no air leakage and no tire burst, the possibility of the tire being pricked is fully avoided, and the difficult problems of easy air leakage and tire burst of the traditional pneumatic tire are thoroughly solved.
The tread unit connecting disc 9 is inserted into bolt holes II on the gas spring top connecting disc 14 through bolts I10 on the tread unit connecting disc to be connected with the gas spring top connecting disc 14, and the number of bolts on the tread unit connecting disc 9 is the same as the number of the bolt holes II on the gas spring top connecting disc 14.
The gas spring middle connecting disc 15 is connected with the inner ring connecting disc 11 through the screw 4, and the gas spring middle connecting disc 15 corresponds to and has the same number with the bolt holes II on the inner ring connecting disc 11.
The rim connecting disc 17 is inserted into bolt holes II on the gas spring bottom connecting disc 16 through bolts II18 on the rim connecting disc to be connected with the gas spring bottom connecting disc 16, and the number of bolts on the rim connecting disc 17 is the same as the number of bolt holes II on the gas spring bottom connecting disc 16.
The tread unit 1 is made of rubber material, and the inner ring 2 and the rim 5 are made of polyurethane elastomer.
The air spring 3 and the wheel disc 19 are made of aluminum alloy, have quite high strength and rigidity, can bear heavier load and are not easy to damage during operation in the field; the gas spring 3 can generate a much larger deformation amount than a normal pneumatic tire, thereby reducing the road impact transmitted from the rough road to the suspension and the vehicle body through the tire, and improving the comfort of the vehicle.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. The non-inflatable low-speed off-road vehicle tire is characterized by comprising a rim, an inner ring and an outer ring formed by connecting a plurality of tread units end to end, wherein the inner ring is connected with the rim and the outer ring through a plurality of gas springs, and the compressed tread units automatically spring up after leaving a ground contact surface when the tire rolls;
the inner ring consists of two symmetrical annular parts, an inner ring connecting disc is arranged in the circumferential direction of the inner ring, grooves with the same number as the gas springs are formed in the inner ring connecting disc, the cylinder bodies of the gas springs are clamped in the grooves, and a plurality of bolt holes I are formed in the outer sides of the grooves;
one end of each tread unit is provided with a bulge, the other end of each tread unit is provided with a groove, and the tread units are connected together by inserting the bulges into the grooves of the adjacent tread units;
the inner side of the tread unit is provided with a tread unit connecting disc, and the tread unit connecting disc is provided with a plurality of bolts I; and reinforcing ribs are arranged on two sides of the tread unit connecting disc.
2. The non-pneumatic low speed off-road vehicle tire of claim 1, wherein a running clearance is provided between the tread elements.
3. The non-inflatable low-speed off-road vehicle tire according to claim 1, wherein a rim connecting disc is arranged on the outer circumference of the rim, and a plurality of bolts II are arranged on the rim connecting disc; the inner side of the rim is provided with a wheel disc, and the center of the wheel disc is provided with a shaft hole.
4. The non-pneumatic low speed off-road vehicle tire of claim 1, wherein the top, middle and bottom of the gas spring are sequentially provided with a gas spring top land, a gas spring middle land and a gas spring bottom land, and the gas spring top land, the gas spring middle land and the gas spring bottom land are provided with bolt holes II.
5. The non-pneumatic low speed off-road vehicle tire of claim 1 or 4, wherein the tread element connection pad is connected to the gas spring top connection pad by a bolt I thereon inserted into a bolt hole II on the gas spring top connection pad.
6. The non-pneumatic low speed off-road vehicle tire of claim 1 or 4, wherein the gas spring mid-disc is connected to the inner ring disc by screws.
7. The non-pneumatic low speed off-road vehicle tire of claim 3 or 4, wherein the rim connection disc is connected to the gas spring bottom connection disc by bolts II inserted therein into bolt holes II on the gas spring bottom connection disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281806.6A CN106915203B (en) | 2017-04-26 | 2017-04-26 | Non-inflatable low-speed cross-country vehicle tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281806.6A CN106915203B (en) | 2017-04-26 | 2017-04-26 | Non-inflatable low-speed cross-country vehicle tyre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106915203A CN106915203A (en) | 2017-07-04 |
| CN106915203B true CN106915203B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710281806.6A Active CN106915203B (en) | 2017-04-26 | 2017-04-26 | Non-inflatable low-speed cross-country vehicle tyre |
Country Status (1)
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| CN (1) | CN106915203B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835109A (en) * | 2017-11-24 | 2019-06-04 | 宝沃汽车（中国）有限公司 | Tire and vehicle |
| CN108638017A (en) * | 2018-05-04 | 2018-10-12 | 宁波科邦华诚技术转移服务有限公司 | A kind of open air exploration walking robot |
| US11135871B2 (en) | 2018-07-19 | 2021-10-05 | Gacw Incorporated | Wheel assembly including inner and outer rim coupled hydraulic dampers and related methods |
| US11325417B2 (en) | 2018-07-19 | 2022-05-10 | Gacw Incorporated | Wheel assembly including arcuate inner and outer rim assemblies and related methods |
| US11554606B2 (en) | 2018-07-19 | 2023-01-17 | Gacw Incorporated | Off-highway vehicle including frame coupled gas spring wheel assemblies |
| US11590795B2 (en) | 2018-07-19 | 2023-02-28 | Gacw Incorporated | Wheel assembly including sidewall cover assembly and related methods |
| CN108688399B (en) * | 2018-06-14 | 2024-03-22 | 南京工程学院 | Non-pneumatic wheel with self-adaptive variable tread for all-terrain vehicle |
| US11173744B2 (en) | 2018-07-19 | 2021-11-16 | Gacw Incorporated | Wheel assembly including disk defining a mechanical stop and related methods |
| US10987971B2 (en) | 2018-07-19 | 2021-04-27 | Gacw Incorporated | Wheel assembly including outer rim coupled ring defining a mechanical stop and related methods |
| US10987970B2 (en) | 2018-07-19 | 2021-04-27 | Gacw Incorporated | Wheel assembly including inner and outer rim coupled rings defining a mechanical stop and related methods |
| US11565552B2 (en) | 2018-07-19 | 2023-01-31 | Gacw Incorporated | Wheel assembly including spaced apart tread members having stacked rubber and reinforcing layers and related methods |
| EP3906167B1 (en) * | 2018-12-31 | 2023-06-28 | GACW Incorporated | Wheel assembly including inner and outer rim coupled hydraulic dampers and related methods |
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| CN106915203A (en) | 2017-07-04 |
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