WO2021082296A1

WO2021082296A1 - Run-flat tire system with support rings disposed inside tread

Info

Publication number: WO2021082296A1
Application number: PCT/CN2020/074464
Authority: WO
Inventors: 龚作钰
Original assignee: 龚作钰
Priority date: 2019-11-01
Filing date: 2020-02-07
Publication date: 2021-05-06
Also published as: CN110920330A; CN110920330B

Abstract

A run-flat tire system with support rings (21, 22, 23, 24, 25) disposed inside a tread, the system comprising a rim (11), the support rings (21, 22, 23, 24, 25) and a tire (31). The rim (11) is provided with a flat-bottom deep groove (1102) convenient for disassembly and assembly of the tire (31) and matching the support rings (21, 22, 23, 24, 25) to support a wheel in a deflated state; the support rings (21, 22, 23, 24, 25) are non-detachable support rings (21) or detachable support rings (22, 23, 24, 25); an inner side surface of the tread of the tire (31) is provided with the non-detachable support ring (21) or a connecting component used for matching the detachable support rings (22, 23, 24, 25) for connection and fixation; and the detachable support rings (22, 23, 24, 25) are connected to the connection component by means of a zipper or a cord or a bolt for fixing to the tire (31). When the tire (31) is deflated, the ground contact area of the tread is small, less heat is generated, and the durability of deflated continued travel is not influenced; and safety and comfort do not impinge on each other, the support rings (21, 22, 23, 24, 25) and the tire (31) are easy and convenient to disassemble and assemble, the structure is simple, the comprehensive cost is low, and the system can be widely applied to common automobiles.

Description

Run-flat tire system with support ring arranged on the inner side of the tread

Technical field

The present invention relates to the field of run-flat tires, and more specifically, the present invention relates to a run-flat tire system with a support ring arranged on the inner side of the tread.

Background technique

A car puncture can easily cause serious safety accidents. According to the statistics of the Society of Automotive Engineers (SAE), 70% of traffic accidents on highways are caused by flat tires; moreover, the survival rate of flat tires on highways is less than 5%; at the same time, on highways Tyre blowouts on highways can easily cause serious accidents such as rear-end collisions, and cause traffic jams; in addition, there are hidden dangers of theft and robbery when changing tyres in an unsafe environment. At present, run-flat tires can effectively prevent the occurrence of the above-mentioned accidents. Among them, the sidewall-reinforced run-flat tires represented by the full-series assembly of BMW cars are the most common. The sidewall-enhanced run flat tires can prevent the vehicle from being severely deflected and prevent the vehicle from overturning in the event of a puncture. The vehicle can still travel 200 kilometers at a speed of 80 km/h in the case of a flat tire, ensuring that the vehicle can safely reach the maintenance point and make the vehicle no longer It is necessary to carry a spare tire, which saves space and reduces the weight of the vehicle load. However, sidewall-enhanced run flat tires also have shortcomings. One is that the cost of supporting vehicles using sidewall-enhanced run-flat tires is high. The design principle of sidewall-enhanced run flat tires is to provide a solid sidewall. Support, thick and hard sidewalls make the tires have poor shock absorption, high tire noise, and low comfort. Therefore, for the comfort of the vehicle and the life of the suspension and other components, many parts of the vehicle need to be strengthened and used high-grade materials, and the chassis is also Special adjustments are required, and the overall cost of the vehicle is much higher; second, the price of sidewall-enhanced run flat tires is high, which is about twice as high as that of ordinary tires; third, the maintenance of sidewall-enhanced run flat tires is difficult , Due to the thick and hard tires, the tires require special equipment for disassembly and assembly, which is very laborious, and the maintenance cost is high. In fact, the tire wall-enhanced run flat tires can’t be repaired for more than 80 kilometers. It is not easy to find a 4S shop or professional repair shop that can repair sidewall-enhanced run flat tires within a kilometer. Therefore, after the tire wall-enhanced run flat tires continue to run flat, it is likely that they can only be scrapped, resulting in high usage costs. The above-mentioned shortcomings make the sidewall-enhanced run-flat tires can only be used in a limited number of high-end cars, cannot be applied to ordinary cars, and cannot play a role in protecting people's lives and property.

Theoretically, the built-in support ring-type run-flat tire system can effectively solve the above problems. Michelin announced the launch of the PAX system as early as 1997. The design principle of the PAX system is to use a built-in support ring to provide support. The support ring does not touch the tire under normal air pressure. The support ring replaces the support role of the tire in the case of flat air. Safety and comfort Both are extremely high. However, the PAX system also has shortcomings. In order for the PAX system to have a built-in support ring for easy disassembly and assembly, the rims and tires need to be specially designed. The special rims and tires are extremely expensive, and the price of the tire alone is much higher than that of the sidewall-enhanced run-flat tires. The price is too high and it is difficult to promote. In 2007, Michelin stopped the development of the PAX system due to insufficient market demand, but it also proved that the built-in support ring-type run flat tire system can achieve the feasibility of safety and comfort without deteriorating each other and be applied to ordinary cars. The key is to use The cost should be reduced to a level that can be widely accepted by the people. If the rims and tires can be modified slightly on the basis of ordinary types to meet the conditions of use of the support ring, the support ring has a simple structure, easy disassembly and assembly. Without increasing the difficulty of disassembly and assembly of tires, it is completely feasible for the built-in support ring type run-flat tire system to be applied to ordinary cars.

Summary of the invention

An object of the present invention is to solve at least the above-mentioned drawbacks and to provide at least the advantages described later.

Another object of the present invention is to provide a deflated support ring with high safety, good comfort, energy saving and environmental protection, simple structure, low cost, easy maintenance, low use cost, and can be widely used in ordinary automobiles. Warranty tire system.

In order to achieve these objectives and other advantages according to the present invention, the present invention provides a run flat tire system in which a support ring is arranged on the inner side of the tread, including a rim, a support ring and a tire that are matched with each other, wherein:

The rim is a deep groove rim suitable for tubeless tires, and the deep groove rim is an integrated rim. The special feature is that the bead seat of the rim is provided with a tire for preventing the tire from being at one end close to the deep groove. The convex peaks of the ring loosened inward, and the deep grooves of the rim are arranged to facilitate the disassembly and assembly of the tire and also have a flat-bottomed deep groove that cooperates with the support ring to support the wheel in a flat state;

The support ring is an elastic ring body, which is arranged on the inner side surface of the tire tread, and the bottom of the flat-bottomed deep groove contacting the rim when the tire deflates replaces the tire to support the wheel; the support ring is a non-detachable support A ring or a detachable support ring; the detachable support ring is set as a zipper connection support ring, a lashing connection support ring, or a bolt connection support ring according to the connection mode;

The tire is a tubeless tire fitted with the rim, and the special feature is that a non-detachable support ring is provided on the inner side of the tread of the tire, or a connecting member for connecting and fixing with a detachable support ring is provided; The connecting part is configured as a zipper connecting part or a binding connecting part or a bolt connecting part according to the connection mode of the supporting ring to be matched;

The non-detachable support ring is glued and fixed on the inner side of the tire tread; the detachable support ring is fixed on the tire tread by cooperating with a zipper connection component, a lashing connection component, or a bolt connection component. On the inside surface.

Further, the flat-bottomed deep groove is formed by setting the groove bottom of the deep groove as a flat bottom in the axial direction on the basis of the original deep groove of the rim, and the axial width of the flat bottom is not less than the axial width of the rim 1/3 of the rim and not more than 2/3 of the axial width of the rim; the bottom of the flat-bottomed deep groove is provided with an axial groove along the axial direction, and the axial groove is along the length of the flat-bottomed deep groove. The groove bottom is uniformly arranged in the circumferential direction, and the axial groove is used to prevent the support ring from slipping along the circumferential direction of the groove bottom surface when the air leak continues, and reduces the generation of frictional heat and facilitates heat dissipation.

Further, the radial height of the support ring is equal to 40%-60% of the radial distance between the inner circumferential surface of the inner liner of the tire tread and the outer circumferential surface of the bottom of the flat-bottomed deep groove of the rim; The support ring is composed of a circumferential outer ring, a circumferential inner ring and a supporting wall bridging the two; the circumferential outer ring matches the inner surface of the tire tread or the inner surface of the connecting member; The circumferential inner ring contacts the bottom surface of the flat-bottomed deep groove of the rim when the tire is flat; the supporting wall includes a supporting main wall and a supporting connecting wall; the supporting main wall is zigzag-shaped and extends in a stepped shape along the axial direction. The stepped shape is composed of N sections of axial walls and N-1 sections of radial walls connected between the axial walls. The N sections include 2 or 3 sections. The stepped shape is located on the axial walls at both ends. The axial length of the axial wall is the same, the axial length of the axial wall at the middle and the axial wall at both ends are not more than 1 time different, and the radial width of each section of the radial wall is the same; the main supporting wall is differentiated according to the different bending directions Are a forward main wall and a reverse main wall, the forward main wall and the reverse main wall are symmetrical in the axial direction, and the forward main wall and the reverse main wall are closest to the axial wall When the axial wall supporting the main wall is 2 sections, the radial distance is equal to twice its radial wall, and when the axial wall supporting the main wall is 3 sections, it is equal to the sum of its radial walls; The axial widths of the wall and the reverse main wall and the circumferential outer ring and the circumferential inner ring are equal and radially aligned; the forward main wall and the reverse main wall alternately continue in the circumferential direction The supporting connecting wall is radially arranged at any one of the axial middle or both ends of the axial wall that is closest to the forward main wall and the reverse main wall, and each supporting connecting wall divides each forward The main wall and each reverse main wall are connected to each other to form a closed ring that is connected end to end; the set of symmetrical forward main walls and reverse main walls are connected with a supporting wall, and a circumferential outer ring and a circumferential inner ring The ring together constitutes a hollow chamber that narrows stepwise from the opening. The hollow chambers are arranged in the circumferential direction alternately in forward and reverse directions. The support ring is composed of 40 to 80 hollow chambers that do not distinguish between forward and reverse directions. The supporting wall is provided with chamfers along the corners at the step, the connection and the bridge; the inner circumferential surface of the circumferential inner ring of the supporting ring is provided with a number of parallels in the circumferential direction An extended circumferential groove, which is used to stabilize the direction and reduce the generation of frictional heat and facilitate heat dissipation when the air leakage continues; the inner circumferential surface of the circumferential inner ring is provided with chamfers at both axial ends, the The chamfer is a 45° chamfer or a 1/4 fillet, the chamfer depth of the chamfer is not more than 1/2 of the thickness of the circumferential inner ring, and the chamfer is beneficial to the smoothness and dynamic balance of the wheel driving;

In addition, the hollow chamber is provided with a muffler wall for reducing tire noise. The muffler wall is composed of a sponge-like material and is arranged in the widest step section of the hollow chamber at the opening. The surface of the sponge-like material The apparent density is less than 0.1g/cm ³ ; the fixed volume of the sound-absorbing wall is slightly compressed than the volume in the free state, and the compression ratio is 80% to 90%; the axial thickness of the sound-absorbing wall is slightly smaller than the hollow The axial depth of the widest step section of the chamber; the contact end faces of the muffler wall and the circumferential outer ring and the circumferential inner ring are centrally provided with an arc-shaped notch, and the radial width of the arc-shaped notch is not less than The radial width of the contact end surface is 1/2, and the radial height of the arc-shaped notch is 2mm-10mm; the sound-absorbing wall is backed against the narrowing of the widest step section of the hollow chamber and is glued and fixed On the axial wall of the widest step section or the radial wall of the narrowing;

In addition, when the support ring is configured as a non-detachable support ring, the axial width of the non-detachable support ring is equal to or slightly smaller than the axial width of the bottom of the flat-bottomed deep groove of the rim; the support of the non-detachable support ring The main wall is provided with three axial walls; the non-removable support ring is aligned with the axial center of the bottom of the flat-bottomed deep groove; the outer circumference of the non-removable support ring matches the tread of the tire The inner lining is bonded and fixed with the inner lining; the non-detachable support ring is composed of reclaimed rubber using waste tires as the main raw material, and the shore hardness of the reclaimed rubber is 50-80 degrees;

In addition, when the support ring is set as a detachable support ring, the detachable support ring is set as a zipper connection support ring, a lashing connection support ring, or a bolt connection support ring according to the connection mode; the zipper connection support ring is in the zipper The connecting part is fixed on the tire by a zipper connection under the cooperation; the lashing connection support ring is fixed on the tire by a lashing connection under the cooperation of the lashing connection part; the bolt connection support ring is fixed on the bolt connection part The detachable support ring is fixed on the tire by bolt connection under the cooperation; the outer circumferential surface of the outer circumferential ring of the detachable support ring is provided with a circumferential groove, and the circumferential groove is used to improve the softness of the circumferential outer ring, so that The circumferential outer ring can follow the deformation of the tire tread during driving to improve comfort. The circumferential groove setting method is consistent with the circumferential groove provided on the circumferential inner ring; the detachable support ring is made of polyurethane, so The Shore hardness of the polyurethane is 50 to 80 degrees.

The radial height of the support ring is limited to 40% to 60% of the radial distance between the inner circumferential surface of the inner liner of the tire tread and the outer circumferential surface of the bottom of the flat-bottomed groove of the rim. If the radial height of the ring is less than 40% of the radial distance, in the event of a sudden puncture, the height of the support ring instead of the tire to stabilize the wheel will not reach a safe height, and the vehicle may sideways or even overturn, and the vehicle may continue to run flat. , The tire wall is easy to contact and rub with the road surface, which affects the driving control and reduces the durability of deflation; and if the radial height of the support ring is higher than 60% of the radial distance, the support ring is easy to drive under normal air pressure. Contact with the bottom of the groove affects the ride comfort and driving stability.

The thickness of the support wall of the support ring, the number of hollow chambers, the height of the support wall, and the hardness of the constituent materials are all related to the bearing strength of the support ring; generally the greater the bearing strength, the larger the tire diameter, the corresponding support is provided The thicker the wall, the greater the number of hollow chambers and the higher the hardness of the material.

The above non-removable support ring is composed of recycled rubber with waste tires as the main raw material. The reason is that the non-removable support ring has a single function and only supports when it continues to run flat. The material performance level can be lower than that of the tire, and it is not removable. The support ring is not reused, and the recycled rubber can fully meet the requirements of use. It is for the consideration of reducing the cost, saving resources, and protecting the environment.

The above detachable support ring is made of polyurethane, because the support ring is only valuable if it can be reused and long-term used. The detachable setting is valuable. The stability and durability of the polyurethane are excellent, and the moldability is good. The use requirements.

Further, the axial width of the zipper connection support ring is equal to the axial width of the bottom of the flat-bottomed deep groove of the rim; the axial wall provided on the main wall of the zipper connection support ring is three sections; the zipper The circumferential outer ring connecting the support ring is arranged as an inner and outer two layers, wherein the outer circumferential surface of the outer layer part is attached to the inner circumferential surface of the inner liner of the tire tread, and the thickness of the outer layer part is not less than the thickness of the inner layer part The zipper connection support ring is provided with a first zipper component for zipper connection; the first zipper component is provided with 2 cloth tapes, the cloth tapes are symmetrically placed on both sides of the zipper connection support ring, which is close to the zipper connection One end of the support ring is arranged between the inner and outer layers of the circumferential outer ring and is bonded to each other into a whole. The axial width of the bonded and fixed part of the cloth tape and the free part exposed to the circumferential outer ring are not less than 10mm, so The cloth belt is arranged in the circumferential direction between the inner and outer layers of the outer ring; the two cloth belts are symmetrically provided with an opening along the center of the wheel, the opening is arranged in the axial direction, and one end of the opening is provided with At the top end, the other end of the opening is provided with an extension belt separated from the circumferential outer ring, the length of the extension belt is not less than 30mm, and the direction of the end of the extension belt is opposite to the direction in which the wheel advances and rolls; the end of the extension belt A socket is provided; the outer edges of the cloth belt and the extension belt are provided with fastener teeth along the circumferential direction; the first zipper component is provided with a slider, and the pull tab of the slider is set to fit the cloth belt completely The first zipper component is provided with two four-button buckles, one of the male buckle of the four-button buckle is set on the pull tab of the slider, and the female buckle is set on the cloth belt. When the slider is closed to the top stop, the pull tab on the The male buckle overlaps the female buckle; the male buckle of the other four-button buckle is arranged near the end of the extension belt, the female buckle is arranged on the cloth belt, and the male buckle and the female buckle overlap when the extension belt is close to the cloth belt; the zipper The connection support ring is fixed on the tire through a zipper connection under the cooperation of the zipper connection member.

Further, the zipper connecting component is arranged on the inner side of the tread of the tire, and the zipper connecting component includes an additional adhesive layer and a second zipper component; the additional adhesive layer is composed of rubber containing cords and has a thickness equal to The thickness of the outer layer part of the zipper connection support ring is not less than 20mm in the axial direction, and the additional adhesive layer is provided with two symmetrically placed on both sides of the zipper connection support ring. The axial ends close to the zipper connection support ring are respectively radially aligned with the axial ends of the bottom of the flat-bottomed deep groove of the rim, and the axial distance is equal to the axial width of the zipper connection support ring; the second zipper The component is provided with two cloth belts, the cloth belts are symmetrically placed on both sides of the additional adhesive layer close to the sidewall of the tire, and its end near the additional adhesive layer is set between the additional adhesive layer and the tire inner liner and bonded to each other. Integral, the axial width of the part where the tape is bonded and fixed is not less than 10mm, and the axial width of the free part of the tape exposed to the additional adhesive layer is equal to the sum of the axial width and the radial thickness of the additional adhesive layer minus Remove the axial width of the free part of the cloth tape provided by the first zipper component; the additional adhesive layer and the cloth tape are bonded and fixed in the circumferential direction on the surface of the inner liner of the tire tread; the 2 The strip of cloth is provided with an opening symmetrically along the center of the wheel, the opening is provided along the axial direction, one end of the opening is provided with a top stop, and the other end of the opening is provided with an extension belt separated from the additional adhesive layer, so The extension belt and the extension belt provided by the first zipper component are in the same direction and length; the end of the extension belt is provided with an insertion tube; the outer edges of the cloth belt and the extension belt are provided with fastener teeth along the circumferential direction; The second zipper component is provided with a four-button buckle, the male buckle of the four-button buckle is arranged at a position near the end of the extension belt, and the female buckle is arranged on the cloth belt. When the extension belt is close to the cloth belt, the male buckle and the female buckle Coincident; the element of the second zipper component and the upper stop and the insertion tube and the slider and the element provided by the first zipper component cooperate with the upper stop and the socket; the zipper connecting component cooperates with the zipper connection The support ring is fixed on the inner surface of the tread of the tire through a zipper connection.

The first zipper component and the second zipper component together form a complete zipper. The zipper can be closed to fix the support ring on the tire, and the support ring can be separated from the tire by opening the zipper; the openings are symmetrically arranged along the center of the wheel for balance The wheel counterweight is conducive to the dynamic balance of the wheel; the extension strap is set to facilitate the insertion of the tube into the socket to make the zipper easy to close or unzip; the four-button buckle is to fix the extension strap and the pull tab to prevent it from shaking when the wheel is rolling, and to limit the pulling The head prevents it from sliding and causing the zipper to open.

Further, the circumferential outer ring of the lashing connection support ring is configured as a first circumferential outer ring and a second circumferential outer ring; the outer circumferential surface of the first circumferential outer ring is attached to the tread of the tire The inner circumferential surface of the inner liner has an axial width equal to 1/3 to 1/2 of the axial width of the bottom of the flat-bottomed deep groove of the rim; the second circumferential outer ring is arranged outside the first circumferential Between the ring and the circumferential inner ring, the radial distance from the first circumferential outer ring is not less than 10mm, and its axial width is consistent with the circumferential inner ring and equal to the axial width of the groove bottom of the flat-bottomed deep groove; The outer ring of the first circumference and the outer ring of the second circumference have the same thickness; the outer ring of the first circumference and the outer ring of the second circumference and the inner circumference of the circumference are aligned axially to the center; the lashing connects the support of the support ring The axial wall of the main wall is divided into three sections, the axial width of the axial wall in the middle is equal to the axial width of the first circumferential outer ring, which is located between the first circumferential outer ring and the second circumferential outer ring Only the middle axial wall and the radial walls at both ends are arranged in the middle area; the supporting connecting wall of the lashing connection supporting ring is arranged radially between the forward main wall and the radial wall closest to the reverse main wall The supporting connecting wall is provided with a first lashing through hole for lashing connection in the area between the first circumferential outer ring and the second circumferential outer ring, and a supporting connecting wall is provided with a first lashing through hole, so The first lashing through hole is a circular through hole, the diameter of which is not greater than 1/2 of the radial distance between the first circumferential outer ring and the second circumferential outer ring, and the first lashing through hole is close to the first circumferential direction. The outer ring is arranged; the first lashing through hole is axially provided with a tubular extension hole wall on the radially outer side of the outer ring toward the first circumference; between the tubular extension hole wall and the second circumferential outer ring is provided Reinforced connecting wall; the radially outer side of the tubular extension hole wall and the reinforced connecting wall and the radially outer surface of the first circumferential outer ring are radially leveled, and the wall thickness of the tubular extension hole wall and the reinforced connecting wall are not Less than 3mm; the outer circumferential surface of the first circumferential outer ring is provided with a circumferential groove, and the outer circumferential surface of the second circumferential outer ring is provided with the same Circumferential groove; the radially outer surface of the second circumferential outer ring at both ends in the axial direction is radially provided with at least one first mark, and the first mark is a linear mark pointing to the center of the first lashing through hole; The lashing connection support ring is fixed on the tire through a lashing connection under the cooperation of the lashing connection component.

Further, the lashing connection component is arranged on the inner side of the tread of the tire, and the lashing connection component is provided with two lashing connection components, which are symmetrically placed on both sides of the lashing connection support ring, which are close to the sidewall of the tire. The axial ends of the rim are respectively aligned with the axial ends of the bottom of the flat-bottomed deep groove of the rim, and the axial distance is equal to the axial width of the outer ring of the first circumference of the lashing connection support ring, and its thickness is equal to the lashing The radial distance between the first circumferential outer ring and the second circumferential outer ring of the support ring, the two lashing connecting parts are glued and fixed on the surface of the inner liner of the tire tread in the circumferential direction. The lashing connection part is made of rubber, the hardness of the rubber is consistent with the hardness of the lashing connection support ring; the lashing connection part is provided with a second lashing through hole that cooperates with the first lashing through hole of the lashing connection support ring; At least one second mark is radially provided on the radially outer side of the lashing connecting component at both ends in the axial direction. The second mark is a linear mark pointing to the center of the second lashing through hole, and the second mark cooperates with the lashing connection The first mark of the support ring helps to observe whether the second lashing through hole and the first lashing through hole are axially aligned; the lashing connection member cooperates with the lashing connection and the support ring is fixed in the tread of the tire through the lashing connection On the side

In addition, the lashing connecting part is provided with lightening circular holes, the diameter of which is not greater than 2/3 of the thickness of the lashing connecting part, and the lightening circular holes are evenly distributed outside the second lashing through hole, and the spacing of the lightening circular holes is The distance from the second lashing through hole is equal to or slightly smaller than the thickness of the supporting wall of the lashing connection support ring. The load-reducing hole is not provided with an opening on the end surface close to the tire wall. The load-reducing hole is used to reduce the weight and improve the comfort and reduce the burden. The round hole does not have an opening on the end surface close to the tire wall to avoid interference with the lashing operation;

In addition, the main rope of the lashing rope used for the lashing connection is a stretch-resistant soft lashing rope, and the thickness of the main rope is set to 2 strands that can easily pass through 3 strands and cannot pass through the lashing through holes. The lashing section is provided with a conspicuous color contrast logo, the end of the main rope is provided with a 3mm-10mm long elastic rubber band, and the end of the rubber band is provided with a safety hook with a locking function; the rubber band and the safety The hook is used to tighten and fix the tail end of the rope to prevent it from shaking when the wheel rolls.

Further, the axial width of the bolted support ring is equal to 2/5 of the axial width of the bottom of the flat-bottomed deep groove of the rim; the outer circumferential surface of the outer ring of the bolted support ring is connected to the outer circumferential surface of the outer ring of the rim. The radial distance between the inner circumferential surface of the inner liner of the tire tread is not less than 2mm; the axial wall of the main wall of the bolt connection supporting ring is set in two sections, and the supporting wall of the bolt connection supporting ring is radially Is arranged at the axial outer end of the axial wall closest to the forward main wall and the reverse main wall; the support connecting wall on any one of the radial side surfaces of the bolted support ring is provided with a first bolt connection A bolt through hole, the first bolt through hole is a circular through hole, and the radial distance between the center of the first bolt through hole and the outer circumferential surface of the circumferential outer ring is equal to the radial height of the bolt connection support ring 1/6; The first bolt through hole is provided with a tubular extension hole wall in the axial direction toward the opening direction of the hollow chamber; between the tubular extension hole wall and the supporting wall on both sides and the circumferential outer ring is provided Reinforced connecting wall; the radially outer side of the tubular extension hole wall and the reinforced connecting wall and the radially outer surface of the narrowest step section of the hollow chamber are radially flattened, the tubular extension hole wall and the reinforced connecting wall The wall thickness is not less than 3mm; the bolt connection support ring is provided with two, with the first bolt through hole facing each other, symmetrically placed on both sides of the bolt connection part, and are connected by bolts under the cooperation of the bolt connection part And fixed on the tire;

In addition, a reinforcing gasket is provided on the radially outer side of the wall of the tubular extension hole, and the reinforcing gasket is matched with the opening of the widest step section of the hollow chamber, and the radial height of the reinforcing gasket is not greater than the radial height of the hollow chamber. 1/3, the reinforced gasket is made of a rigid material that resists bending and is lightweight;

In addition, the connecting bolts are standard bolts of M6 to M16 specifications, and the first bolt through hole and the reinforcing washer are all matched with it;

In addition, the supporting connecting wall on the same radial surface as the first bolt through hole is provided with a silencing hole, the silencing hole is a circular through hole, and one supporting connecting wall is provided with at least one silencing hole, and the diameter of the silencing hole is different. Greater than the thickness of the supporting connecting wall, the spacing is equal to its diameter, and the muffler hole is centrally arranged in the area of the supporting connecting wall that is not blocked by the bolt connection part;

In addition, the hollow chamber is not provided with the muffler wall in the axial projection area of the reinforcing gasket, so as to facilitate the disassembly and assembly of the support ring.

Further, the bolt connection component is arranged on the inner surface of the tread of the tire, and the bolt connection component is composed of an annular connecting body and an additional structural layer; the cross-sectional shape of the annular connecting body is a rectangle, and its radial height It is equal to 1/3 of the radial height of the bolt connection support ring, and its axial width is equal to 1/5 of the axial width of the groove bottom of the flat-bottomed deep groove of the rim. The groove bottom of the groove is aligned with the axial center; the additional structural layer has 2 layers, which are symmetrically placed on both sides of the annular connecting body, and the thickness is equal to the outer circumferential surface of the outer ring of the bolt connecting the support ring and the tire tread The radial distance of the inner circumferential surface of the inner liner, the axial ends of which are close to the sidewall of the tire are aligned radially with the axial ends of the groove bottom of the flat-bottomed deep groove, and the two additional structural layers are bonded and fixed in the circumferential direction. On the surface of the inner liner of the tire tread; the ring-shaped connecting body is composed of an additional structural layer that is vertically bent into two sides and filled with rubber in the middle. The additional structural layer is composed of rubber containing cords. The hardness is 50-80 degrees; the annular connecting body is provided with second bolt through holes that cooperate with the first bolt through holes, and the number of the second bolt through holes is N of the number of the first bolt through holes The N times is an integer multiple of not less than 2 times. The second bolt through hole is not only used for fixing the bolt connection support ring, but also used to reduce the weight and improve the comfort; the bolt connection part cooperates with the The bolt connection support ring is fixed on the inner side surface of the tread of the tire by bolt connection.

Further, the bolt connection support ring and the matching bolt connection part are slightly modified, and the connection mode can be changed to a lashing connection mode. The modification is: (1) The support connection wall of the bolt connection support ring is provided with the first A bolt through hole, a supporting connecting wall is provided with a first bolt through hole; (2) the tubular extension hole wall attached to the first bolt through hole and the radially outer side of the reinforcing connecting wall are connected to the bolt connecting support ring The radially outer side surface is radially flattened; (3) The hollow chamber is not provided with the muffler wall in the area formed by the tubular extension hole wall, the reinforcing connecting wall and the circumferential outer ring; (4) ) The second bolt through hole provided in the bolt connection component is matched with the first bolt through hole; (5) The connecting bolt and the reinforcing washer are eliminated, and the cable tie for lashing connection is used instead.

The axial width of the above-mentioned support ring is not less than 1/3 of the rim axial width and not more than 2/3 of the rim axial width, because if the width of the support ring is less than 1/3 of the rim width, it will cause the stability of the support Insufficient, and if the width of the support ring is greater than 2/3 of the width of the rim, it will be difficult to assemble the support ring, and if the width is too wide, it will not increase the stability of the support, but will only increase the load and cost.

The above non-detachable support ring is suitable for the original vehicle configuration, which can reduce the cost and increase the selling point of the vehicle; the above-mentioned detachable support ring is suitable for users to choose when changing tires, and it is more affordable for long-term use. Each time the tire is replaced, the support ring can be saved. .

The above-mentioned zipper connection support ring is more convenient to disassemble and assemble and can be widely used in common types of vehicles, and the above-mentioned lashing connection support ring is more stable and suitable for off-road type and sports type vehicles.

The above-mentioned support ring provides safety guarantee for the tire, and also creates conditions for further improving the comfort of the tire, so that the tire sidewall can be designed to be softer, so that the tire can have a lower flatness ratio without loss of comfort, and a lower flatness ratio of the tire. , Which in turn makes the setting height of the support ring lower, making the support more stable, reducing the weight of the support ring and reducing the cost of use; in addition, the low-profile ratio tires with large-diameter rims also make the wheels look more beautiful and generous.

The biggest difference between the present invention and the PAX system is that the support ring of the present invention is not arranged on the rim of the rim, but on the inner side of the tread of the tire. There are two major advantages of setting the support ring on the inner side of the tread:

First of all, when the tire is flat, because the support ring has a certain strength, the support ring arranged on the inner side of the tire tread can keep the outer contour of the tire in a round state, limit the deformation of the tire at the ground contact, and avoid large-area contact on the tread. The ground phenomenon (as shown in Figure 16) ensures the maneuverability of flat tires; the small tread area reduces heat generation and ensures the durability of flat tires; plus the maintenance of the present invention is easy, and tire flat tires When it can be repaired nearby, it does not need to be too long to be discouraged and continue to travel, and the heating problem can be controlled within a harmless range. In contrast, the sidewall-enhanced run flat tire and the run flat tire with the support ring set on the rim, when the tire is flat, the tread will inevitably appear to touch the ground in a large area (as shown in Figure 17) , Which greatly increases the friction between the tread and the road surface, and reduces the handling performance. What is more serious is that a large amount of heat is generated and the temperature of the tire rises sharply. It is necessary to use high-grade heat insulation, heat resistance, and low heat generation materials, or even use Expensive nano-materials need to be equipped with ugly-looking heat dissipation components to ensure the durability of deflation. Therefore, the cost increases greatly and the price remains high; the heating problem of the present invention does not require special treatment within the harmless range, which saves this In addition, the present invention requires no disposal because it is harmless, which is more reliable and more environmentally friendly than the disposal because it is harmful. Therefore, the support ring is arranged on the inner side of the tread, so that the controllability and durability of the present invention during flat running are obviously superior, the price is obviously more advantageous, and it is also conducive to energy saving and environmental protection.

Secondly, the support ring is arranged on the inner side of the tread to make the disassembly and assembly of the support ring easier and more convenient, and does not increase the difficulty of disassembly and assembly of the tire. The matching rims and tires do not need special design, and only need to be slightly modified on the basis of ordinary types. That is; compared to a run flat tire with a support ring set on the rim, it must be equipped with specially designed rims and tires, which greatly reduces the matching cost; compared to a sidewall-enhanced run flat tire, the tire of the present invention The wall is light, thin and soft, and ordinary equipment can be competent for tire disassembly and assembly. The tire disassembly and assembly are easier and more labor-saving, reducing maintenance costs.

The present invention includes at least the following beneficial effects:

The invention has high safety. The support ring of the present invention has a reasonable structure. The connecting parts of the tire, the convex peak and the deep groove of the rim cooperate with the support ring to ensure stable and reliable support, so that when the tire blows out, the support ring can replace the tire to stabilize the wheel height and prevent the vehicle from being serious. Side deviation prevents the vehicle from overturning; the support ring of the present invention can keep the outer contour of the tire in a circular state when the tire is flat, limit the deformation of the tire at the ground contact, avoid large-area ground contact on the tread, and ensure the continuous running of the flat Maneuverability; the small tread area results in less heat generation, which ensures the durability of flat tires, so that the vehicle can still travel long distances to the maintenance point in the case of flat tires, and also makes the vehicle no longer need to carry spare tires and The tyre changing tool saves the vehicle space and reduces the weight of the vehicle load. The invention completely solves the problem that ordinary tires cannot guarantee safety when a tire bursts and cannot continue running under flat conditions.

The invention has good comfort. The tire of the present invention is an ordinary tubeless tire. The support ring does not touch the rim under normal air pressure, and only the sidewall of the tire supports the wheel. The comfort of the tire is not affected; the integral molding quality of the support ring of the present invention is uniform and does not affect the dynamic balance of the wheel. The setting of noise reduction and noise reduction ensures the comfort of the vehicle under normal air pressure. The invention realizes that safety and comfort do not degrade each other, and completely solves the problem that ordinary cars cannot use run-flat tires.

The invention is energy-saving and environmentally friendly. Regarding the heat generated by flat running, the heat generated by the present invention does not need to be treated within the harmless range. Compared with other types of flat tires, the heat generated by the flat tire is harmful and must be treated. The present invention is more energy-saving and environmentally friendly.

The structure of the invention is simple. The support ring of the invention has a simple structure and easy disassembly and assembly, and the structure of related matching parts is also simple. The support ring does not increase the difficulty of disassembly and assembly of the tire, and is simple and convenient in both manufacture and use.

The cost of the invention is low. The main body of the support ring of the present invention is easy to be manufactured by integral injection molding. The matched rim and tire are also slightly modified on a conventional basis, and the cost is not too high; the tire of the present invention does not require special treatment within the harmless range due to heat generation problems, and the price is It is much lower than the sidewall-enhanced run-flat tires, and is almost the same as ordinary tires; after deducting the cost of spare tires, jacks and tire changing tools that do not need to be equipped, the increased cost of the present invention is minimal.

The maintenance of the invention is easy. The invention is an ordinary tubeless tire and a support ring without disassembly and assembly obstacles. Any maintenance point can be repaired normally, and the maintenance cost is low. When the tire is flat, it can be repaired nearby to prevent the tire from being damaged and aggravated due to long-distance flat tires. So as to minimize the loss; and to reduce the tire scrap rate caused by flat tires, it is also very beneficial from the perspective of saving resources and protecting the environment.

The use cost of the invention is low. Compared with assembling and using sidewall-enhanced run-flat tires, the vehicle equipped with the run-flat tire system of the present invention does not require any reinforcement or modification, and the chassis does not require special adjustments; compared to the support ring provided on the rim The run-flat tires of the present invention do not require special design for the rims and tires of the run-flat tire system of the present invention; the present invention greatly reduces the supporting use cost. The detachable support ring of the present invention can be reused for a long time, and further saves the use cost.

To sum up, the comprehensive performance of the rundown protection of the present invention is fully adapted to ordinary cars, and the overall cost is greatly reduced to a level that can be widely accepted. It can be promoted to ordinary cars and play a role in protecting people's lives and property. .

Other advantages, objectives and features of the present invention will be partially embodied by the following description, and partly will be understood by those skilled in the art through the research and practice of the present invention.

Description of the drawings

Figure 1 is a cross-sectional view of the first embodiment of the present invention;

Figure 2 is an elevation view of the first embodiment of the present invention;

Fig. 3 is a partial structural diagram of the first embodiment of the present invention;

Figure 4 is a cross-sectional view of a second embodiment of the present invention;

Figure 5 is an elevation view of a second embodiment of the present invention;

Fig. 6 is a partial structural diagram of the second embodiment of the present invention;

Figure 7 is a cross-sectional view of a third embodiment of the present invention;

Figure 8 is an elevation view of a third embodiment of the present invention;

Figure 9 is an elevational cross-sectional view of a third embodiment of the present invention;

Figure 10 is a cross-sectional view of a fourth embodiment of the present invention;

Figure 11 is an elevation view of a fourth embodiment of the present invention;

Figure 12 is an elevational cross-sectional view of a fourth embodiment of the present invention;

Fig. 13 is a partial structural diagram of a fourth embodiment of the present invention;

Figure 14 is an elevation view of a fifth embodiment of the present invention;

Figure 15 is a cross-sectional view of a fifth embodiment of the present invention;

Fig. 16 is a schematic diagram of a state where the tread touches the ground when the tire of the present invention is flat;

Fig. 17 is a schematic diagram of a state where the tread touches the ground when the tire of the present invention is flat;

Detailed ways

The present invention will be further described in detail below with reference to the embodiments, so that those skilled in the art can implement it according to the text of the description.

Example 1

As shown in FIGS. 1, 2 and 3, a run-flat tire system with a support ring arranged on the inner side of the tread includes a rim 11, a support ring 21, and a tire 31 that cooperate with each other. The rim 11 is an integrated deep groove rim adapted to the tire 31. The special feature is that the bead seat of the rim 11 is provided with a convex peak 1101 for preventing the bead of the tire 31 from loosening inward at one end close to the deep groove, and the rim The deep groove of 11 is set to facilitate the disassembly and assembly of the tire 31, and it also has a flat-bottomed deep groove 1102 that cooperates with the support ring 21 to support the wheel in a deflated state; the flat-bottomed deep groove 1102 is based on the original deep groove of the rim 11. The groove bottom is formed as a flat bottom in the axial direction, and the axial width of the flat bottom is not less than 1/3 of the axial width of the rim 11 and not more than 2/3 of the axial width of the rim 11; the groove bottom edge of the flat-bottomed deep groove 1102 An axial groove 1103 is provided in the axial direction. The radial width of the axial groove 1103 in this embodiment is preferably 3 mm to 15 mm, the radial depth is preferably 1 mm to 5 mm, and the radial spacing is preferably 0.5 to 2 times the radial width. , The axial groove 1103 is evenly arranged along the circumferential direction of the bottom of the flat-bottomed deep groove 1102, and the axial groove 1103 is used to prevent the support ring 21 from slipping along the circumferential direction of the groove bottom surface when the air leak continues, and to reduce the generation of frictional heat and Conducive to heat dissipation. The tire 31 is a tubeless tire fitted with the rim 11. The support ring 21 is an elastic ring body, which is arranged on the inner side of the tread 3101 of the tire 31. When the tire 31 is flat, it contacts the bottom of the flat deep groove 1102 instead of the tire 31 to support the wheel; the axial width of the support ring 21 is equal to or slightly It is smaller than the axial width of the bottom of the flat-bottomed deep groove 1102; the radial height of the support ring 21 is equal to the radial direction between the inner circumferential surface of the inner liner 3102 of the tread 3101 of the tire 31 and the outer circumferential surface of the flat-bottomed deep groove 1102 40% to 60% of the distance; the support ring 21 is composed of a circumferential outer ring 2101, a circumferential inner ring 2102, and a supporting wall 2103 bridging the two; the circumferential outer ring 2101 matches the inner surface of the inner liner 3102; The ring 2102 contacts the bottom surface of the flat-bottomed deep groove 1102 when the tire 31 is flat; the supporting wall 2103 includes a supporting main wall 2103a and a supporting connecting wall 2103b; A segment of the axial wall and two segments of radial walls connected between the axial walls, the axial lengths of the axial walls at both ends are the same, and the axial wall at the middle is different from the axial walls at both ends. No more than 1 time, the radial width of the two radial walls is the same; the supporting main wall 2103a is divided into a forward main wall 2103a1 and a reverse main wall 2103a2 according to the different bending directions, and a forward main wall 2103a1 and a reverse main wall 2103a2 It is symmetrical along the axial direction; the radial distance between the forward main wall 2103a1 and the reverse main wall 2103a2 closest to the axial wall is equal to the sum of the two radial walls supporting the main wall 2103a; the forward main wall 2103a1 and the reverse main wall 2103a1 The axial widths of the main wall 2103a2 and the circumferential outer ring 2101 and the circumferential inner ring 2102 are equal and radially aligned; the forward main wall 2103a1 and the reverse main wall 2103a2 are arranged alternately and continuously in the circumferential direction; the supporting connecting wall 2103b is arranged radially At either the axial middle or both ends of the axial wall closest to the forward main wall 2103a1 and the reverse main wall 2103a2, this embodiment is preferably arranged at the axial inner end; each supporting connecting wall 2103b Each forward main wall 2103a1 and each reverse main wall 2103a2 are connected to each other to form an end-to-end closed ring; a set of symmetrical forward main walls 2103a1 and reverse main walls 2103a2, and a supporting connecting wall 2103b, and a circumferential direction The outer ring 2101 and the circumferential inner ring 2102 together form a hollow chamber 2104 that narrows stepwise from the opening. The hollow chambers 2104 are arranged in the circumferential direction alternately in forward and reverse directions. The support ring 21 is composed of 40 without distinction between forward and reverse. ~80 hollow chambers 2104; the cross-sectional shape of the circumferential outer ring 2101, the circumferential inner ring 2102, and the supporting wall 2103 are all equal-thickness strips. The thickness of the circumferential outer ring 2101 in this embodiment is preferably 4mm-12mm. The thickness of the inward ring 2102 is preferably 5 mm to 15 mm, and the thickness of the support wall 2103 is preferably 6 mm to 20 mm; A chamfer is provided along the corner; the inner circumferential surface of the circumferential inner ring 2102 is provided with a number of circumferential grooves 2105 extending in parallel in the circumferential direction. The cross-sectional shape of the circumferential groove 2105 in this embodiment is preferably rectangular, and its axial width is preferably 3mm ～15mm, its radial depth is preferably 2mm～6mm, and its axial distance is preferably 0.5～2 times the axial width (Note: The circumferential grooves in the following embodiments are the same). The circumferential grooves 2105 are used to keep the air out. It stabilizes the direction and reduces the generation of frictional heat and facilitates heat dissipation; the inner circumferential surface of the circumferential inner ring 2102 is provided with chamfers 2106 at both ends in the axial direction. The chamfers 2106 are 45° cut corners or 1/4 rounded corners. The chamfer depth of the corner 2106 is not more than 1/2 of the thickness of the circumferential inner ring 2102. The chamfer 2106 is conducive to the smoothness and dynamic balance of the wheel driving; the hollow chamber 2104 is provided with a silencer wall 2107 for reducing tire noise. 2107 is made of sponge-like material and is arranged in the widest step section of the hollow chamber 2104 at the opening. The apparent density of the sponge-like material is less than 0.1g/cm ³ ; the volume of the silencer wall 2107 after being fixed is greater than that in the free state. The volume is slightly compressed, and the compression ratio is 80% to 90%; the axial thickness of the muffler wall 2107 is slightly smaller than the axial depth of the widest step section of the hollow chamber 2104; the muffler wall 2107 and the circumferential outer ring 2101 and the circumferential inner ring The contact end surface of 2102 is provided with an arc-shaped notch 2108 in the center, the radial width of the arc-shaped notch 2108 is not less than 1/2 of the radial width of the contact end surface, and the radial height of the arc-shaped notch 2108 is 2mm-10mm; the back of the muffler wall 2107 The narrow part of the widest stepped section of the hollow chamber 2104 is glued and fixed to the axial wall of the widest stepped section or the radial wall of the narrowed part. The support ring 21 is aligned with the axial center of the groove bottom of the flat-bottomed deep groove 1102, and is fixed on the inner surface of the tread 3101 of the tire 31 by adhering the circumferential outer ring 2101 and the inner liner 3102 to each other. The support ring 21 is composed of reclaimed rubber using waste tires as the main raw material, and the shore hardness of the reclaimed rubber is 50 to 80 degrees. This embodiment is suitable for the original vehicle configuration, can lower the cost and increase the selling point of the vehicle, and can also save resources and protect the environment.

Example 2

As shown in Figs. 4, 5, and 6, a run flat tire system with a support ring arranged on the inner side of the tread includes a rim 11, a support ring 22, and a tire 32 that cooperate with each other. The rim 11 is detailed in Example 1. The support ring 22 is basically the same as the support ring 21 in Embodiment 1, except that: (1) the axial width of the support ring 22 is equal to the axial width of the bottom of the flat-bottomed deep groove 1102 of the rim 11; (2) the support ring The outer ring 2201 of the 22 is set as an inner and outer layer. The outer layer is called the outer layer 2201a, and the inner layer is called the inner layer 2201b. The outer circumferential surface of the outer layer 2201a is attached to the inner liner of the tread 3201 of the tire 32. On the inner circumferential surface of the 3202, the thickness of the outer layer 2201a is not less than the thickness of the inner layer 2201b. In this embodiment, the thickness of the outer layer 2201a is preferably greater than the thickness of the inner layer 2201b; (3) the support ring 22 is provided with a first zipper connection Zipper component 2209; the first zipper component 2209 is provided with two cloth tapes 2209a1, which are symmetrically placed on both sides of the support ring 22, and its end close to the support ring 22 is set between the outer layer 2201a and the inner layer 2201b and bonded to each other as a whole The axial width of the adhesively fixed part of the cloth tape 2209a1 and the free part exposed to the outer ring 2201 is not less than 10mm. The cloth tape 2209a1 is arranged in the circumferential direction between the inner and outer layers of the outer ring 2201; 2 pieces of cloth The belt 2209a1 is provided with an opening 2209a2 symmetrically along the center of the wheel. The opening 2209a2 is provided along the axial direction. One end of the opening 2209a2 is provided with an upper stop 2209a3, and the other end of the opening 2209a2 is provided with an extension belt 2209a4 separated from the circumferential outer ring 2201. The length of the extension belt 2209a4 is not less than 30mm, and the direction of the end of the extension belt 2209a4 is opposite to the forward rolling direction of the wheel; the end of the extension belt 2209a4 is provided with a socket 2209a5; the outer edges of the cloth belt 2209a1 and the extension belt 2209a4 are provided with fastener teeth along the circumferential direction 2209a6; the first zipper component 2209 is provided with a slider 2209a7, the pull tab 2209a7c of the slider 2209a7 is set to be completely attached to the cloth tape 2209a1; the first zipper component 2209 is provided with two snap buttons, one of which is snap button The male buckle 2209a8c of 2209a8 is set on the pull tab 2209a7c, and the female buckle 2209a8d is set on the cloth tape 2209a1. When the slider 2209a7 is pulled to the top stop 2209a3, the male buckle 2209a8c overlaps with the female buckle 2209a8d; the male buckle of the other snap button 2209a9 2209a9c is set near the end of the extension belt 2209a4, and the female buckle 2209a9d is set on the cloth belt 2209a1. When the extension belt 2209a4 is close to the cloth belt 2209a1, the male buckle 2209a9c and the female buckle 2209a9d overlap; The circumferential surface is provided with a circumferential groove 2210, which is used to improve the softness of the circumferential outer ring 2201, so that the circumferential outer ring 2201 can obey the deformation of the tire tread 3201 during driving, thereby improving comfort; (5) support ring 22 made of polyurethane It is composed of ester, and the Shore hardness of polyurethane is 50 to 80 degrees (note: the constituent materials of the support ring in the following examples are all the same). The tire 32 is a tubeless tire fitted with the rim 11. The special feature is that the surface of the inner liner 3202 of the tread 3201 of the tire 32 is provided with a zipper connection part 3203. The zipper connection part 3203 includes an additional adhesive layer 3203a and a second zipper part. 3203b; The additional adhesive layer 3203a is composed of rubber containing cords, and its thickness is equal to the thickness of the outer layer 2201a of the peripheral ring 2201, and its axial width is not less than 20mm. There are two additional adhesive layers 3203a, which are symmetrically placed on the support ring On both sides of 22, its axial ends close to the support ring 22 are radially aligned with the axial ends of the bottom of the flat-bottomed deep groove 1102, and the axial distance is equal to the axial width of the support ring 22; the second zipper component 3203b is provided with two cloth tapes 3203b1, which are symmetrically placed on both sides of the additional adhesive layer 3203a close to the sidewall of the tire 32, and its end close to the additional adhesive layer 3203a is set between the additional adhesive layer 3203a and the inner liner 3202 and bonded to each other As a whole, the axial width of the adhesively fixed part of the tape 3203b1 is not less than 10mm, and the axial width of the free part of the tape 3203b1 exposed to the additional adhesive layer 3203a is equal to the sum of the axial width and the radial thickness of the additional adhesive layer 3203a Subtract the axial width of the free part of the cloth tape 2209a1; the additional adhesive layer 3203a and the cloth tape 3203b1 are bonded and fixed on the surface of the inner liner 3202 in the circumferential direction; the two cloth tapes 3203b1 are provided with an opening 3203b2 symmetrically along the center of the wheel. , The opening 3203b2 is arranged in the axial direction, one end of the opening 3203b2 is provided with an upper stop 3203b3, and the other end of the opening 3203b2 is provided with an extension belt 3203b4 separated from the additional adhesive layer 3203a, the extension belt 3203b4 and the extension belt 2209a4 have the same direction and length; The end of the 3203b4 is provided with a cannula 3203b5; the outer edges of the cloth belt 3203b1 and the extension belt 3203b4 are provided with fastener teeth 3203b6 in the circumferential direction; the second zipper component 3203b is provided with a snap button 3203b7, and the male buckle 3203b7c of the snap button 3203b7 is provided At the position near the end of the extension belt 3203b4, the female buckle 3203b7d is set on the cloth belt 3203b1. When the extension belt 3203b4 is close to the cloth belt 3203b1, the male buckle 3203b7c overlaps the female buckle 3203b7d; The 3203b3 and the insertion tube 3203b5, the slider 2209a7 and the fastener element 2209a6 of the first zipper component 2209 cooperate with the top stop 2209a3 and the socket 2209a5. The zipper connection member 3203 cooperates with the support ring 22 to be fastened to the inner side surface of the tread 3201 of the tire 32 through a zipper connection. The support ring of this embodiment is more convenient to disassemble and assemble, and can be widely used in common types of vehicles.

Example 3

As shown in FIGS. 7, 8, and 9, a run-flat tire system with a support ring arranged on the inner side of the tread includes a rim 11, a support ring 23, and a tire 33 that cooperate with each other. The rim 11 is detailed in Example 1. The support ring 23 is basically the same as the support ring 21 in Embodiment 1, except that: (1) the circumferential outer ring 2301 of the support ring 23 is set as a first circumferential outer ring 2301a and a second circumferential outer ring 2301b; The outer circumferential surface of the outer ring 2301a is attached to the inner circumferential surface of the inner liner 3302 of the tread 3301 of the tire 33, and the axial width is equal to 1/3 of the axial width of the groove bottom of the flat-bottomed deep groove 1102 of the rim 11 1/2; The second circumferential outer ring 2301b is arranged between the first circumferential outer ring 2301a and the circumferential inner ring 2302, and the radial distance between it and the first circumferential outer ring 2301a is not less than 10mm. This embodiment is preferred Not less than 15mm, the axial width of the second circumferential outer ring 2301b is the same as the circumferential inner ring 2302 and equal to the axial width of the bottom of the flat-bottomed deep groove 1102; the first circumferential outer ring 2301a and the second circumferential The outer ring 2301b has the same thickness; the first circumferential outer ring 2301a, the second circumferential outer ring 2301b, and the circumferential inner ring 2302 are aligned axially to the center; (2) The supporting main wall 2303a of the supporting ring 23 is set to include three axial sections The wall, the axial width of the axial wall in the middle is equal to the axial width of the first circumferential outer ring 2301a, and the area between the first circumferential outer ring 2301a and the second circumferential outer ring 2301b is only set in the middle The axial wall and the radial walls at both ends of the support ring 23; the supporting connecting wall 2303b of the support ring 23 is radially arranged between the forward main wall 2303a1 and the reverse main wall 2303a2 between the nearest radial wall; (3) the supporting connecting wall 2303b The area between the first circumferential outer ring 2301a and the second circumferential outer ring 2301b is provided with a first lashing through hole 2303b1 for lashing connection, a support connecting wall 2303b is provided with a first lashing through hole 2303b1, the first The lashing through hole 2303b1 is a circular through hole, and its diameter is not greater than 1/2 of the radial distance between the first circumferential outer ring 2301a and the second circumferential outer ring 2301b. The first lashing through hole 2303b1 is close to the first circumferential outward The ring 2301a is arranged; the first lashing through hole 2303b1 is axially provided with a tubular extension hole wall 2303b2 on the radially outer side of the first circumferential outer ring 2301a; the tubular extension hole wall 2303b2 and the second circumferential outer ring 2301b are arranged between There is a reinforced connecting wall 2303b3; the radial outer side of the tubular extension hole wall 2303b2 and the reinforced connecting wall 2303b3 and the radial outer surface of the first circumferential outer ring 2301a are radially flattened, and the tubular extension hole wall 2303b2 and the reinforced connecting wall 2303b3 The wall thickness is not less than 3mm; (4) The outer circumferential surface of the first circumferential outer ring 2301a is provided with a circumferential groove 2310, and the outer circumferential surface of the second circumferential outer ring 2301b is located on both axial sides of the first circumferential outer ring 2301a (5) The radially outer surface of the second circumferential outer ring 2301b located at the two ends of the axial direction is radially provided with at least one first mark 2301b1, the first mark 2 301b1 is a linear mark pointing to the center of the first lashing through hole 2303b1. In this embodiment, it is preferable to set one first mark 2301b1 every other first lashing through hole 2303b1. The tire 33 is a tubeless tire fitted with the rim 11. The special feature is that the surface of the inner liner 3302 of the tread 3301 of the tire 33 is provided with a lashing connecting member 3303, and there are two lashing connecting members 3303 arranged symmetrically on the support ring. On both sides of 23, the axial ends close to the sidewall of the tire 33 are radially aligned with the axial ends of the groove bottom of the flat-bottomed deep groove 1102, and the axial distance is equal to the axial distance of the first circumferential outer ring 2301a. Width, whose thickness is equal to the radial distance between the first circumferential outer ring 2301a and the second circumferential outer ring 2301b. The two lashing connecting parts 3303 are bonded and fixed on the surface of the inner liner 3302 in the circumferential direction; the lashing connecting part 3303 is provided with The second lashing through hole 3303a that cooperates with the first lashing through hole 2303b1; the lashing connection part 3303 is made of rubber with the same hardness as the support ring 23. In addition, the lashing connection part 3303 is provided with lightening round holes (not shown in the drawings), and the diameter of the lightening round hole is not greater than 2/3 of the thickness of the lashing connection part 3303, and the lightening round holes are evenly distributed in the part outside the second lashing through hole 3303a The distance between the lightening round holes and the second lashing through hole 3303a is equal to or slightly smaller than the thickness of the support wall 2303. The lightening round holes are not provided with holes on the end surface of the sidewall close to the tire 33. The lightening round holes are used to reduce the weight. And to improve comfort, the lightening round hole does not have an opening on the end surface close to the tire wall to avoid interference with the lashing operation. In addition, at least one second mark 3303b is radially provided on the radially outer side of the lashing connection member 3303 at the two ends in the axial direction. The second mark 3303b is a linear mark pointing to the center of the second lashing through hole 3303a. This embodiment is preferred A second mark 3303b is provided for every second lashing through hole 3303a, and the second mark 3303b cooperates with the first mark 2301b1 to help observe whether the second lashing through hole 3303a and the first lashing through hole 2303b1 are axially aligned. In addition, the main rope of the lashing rope (not shown in the figure) used for lashing connection is a stretch-resistant soft lashing rope. The thickness of the main rope is set to 2 strands, which can easily pass through 3 strands and cannot pass through the lashing through holes. The lashing section is provided with a conspicuous color contrast logo. The end of the main rope is provided with a 3mm-10mm long elastic rubber band, and the end of the rubber band is provided with a safety hook with a locking function. The rubber band and the safety hook are used for Tighten and fix the end of the cable tie to prevent it from shaking when the wheel rolls. The lashing connection method of this embodiment is as follows: (a) The tie rope is placed on the side where the distance between the support ring and the tire sidewall is narrower (hereinafter referred to as the narrower side), and the hook is used from the side where the distance between the support ring and the tire sidewall is wider. (Hereinafter referred to as the wider side) Pass through the lashing through hole, hook out the shorter length of the rope to the wider side, keep the longer length of the rope on the narrower side, and divide the shorter and longer lengths into sections The marking shall prevail; (b) Pass the hook through the next lashing through hole, and expose the longer length of the rope hook to the wider side. The exposed rope is a rope sleeve formed by two strands of rope, and the shorter length of rope is tied. Pass the rope sleeve, and tighten the longer length of the rope and the shorter length of the rope into a knot at the same time; (c) Repeat step b to the last lashing through hole; (d) Put the longer length of the rope on the last lashing through hole The remaining sections of the ties are hooked out to the wider side and tied to the remaining sections of the shorter ties; (e) Use the safety hook to fix the end of the ties. The lashing connection member 3303 cooperates with the support ring 23 to be fixed on the inner surface of the tread 3301 of the tire 33 by lashing connection. The support ring connection of this embodiment is more stable and suitable for off-road and sports vehicles.

Example 4

As shown in FIGS. 10, 11, 12 and 13, a run flat tire system with a support ring arranged on the inner side of the tread includes a rim 11, a support ring 24, and a tire 34 that cooperate with each other. The rim 11 is detailed in Example 1. The support ring 24 is basically the same as the support ring 21 in Embodiment 1, except that: (1) the axial width of the support ring 24 is equal to 2/5 of the axial width of the bottom of the flat-bottomed deep groove 1102 of the rim 11; The radial distance between the circumference of the ring 24 and the outer circumferential surface of the outer ring 2401 and the inner circumferential surface of the inner liner 3402 of the tread 3401 of the tire 34 is not less than 2mm; the axial wall of the supporting main wall 2403a of the supporting ring 24 is 2 Section, the radial distance of the closest axial wall between the forward main wall 2403a1 and the reverse main wall 2403a2 is equal to twice the radial wall; the support connecting wall 2403b of the support ring 24 is radially arranged on the forward main wall 2403a1 At the axial outer end of the axial wall closest to the reverse main wall 2403a2; (2) The support connecting wall 2403b on either side of the radial side of the support ring 24 is provided with a first bolt through hole 2403b1 for bolt connection. A bolt through hole 2403b1 is a circular through hole. The radial distance between the center of the first bolt through hole 2403b1 and the outer circumferential surface of the outer ring 2401 is equal to 1/6 of the radial height of the support ring 24. The number of bolt through holes 2403b1 is preferably equal to 1/3 or 1/2 of the number of supporting and connecting walls 2403b on the same radial surface. The first bolt through holes 2403b1 are evenly arranged in the circumferential direction; the first bolt through holes 2403b1 face the hollow The opening direction of the chamber 2404 is provided with a tubular extending hole wall 2403b2 along the axial direction; a reinforcing connecting wall 2403b3 is provided between the tubular extending hole wall 2403b2 and the supporting walls 2403 on both sides and the circumferential outer ring 2401; the tubular extending hole wall 2403b2 and The radially outer surface of the reinforced connecting wall 2403b3 and the radially outer surface of the narrowest step section of the hollow chamber 2404 are radially aligned, and the wall thickness of the tubular extension hole wall 2403b2 and the reinforced connecting wall 2403b3 is not less than 3mm; (3) circumferential direction The outer circumferential surface of the outer ring 2401 is provided with a circumferential groove 2410; (4) The radially outer side of the tubular extension hole wall 2403b2 is provided with a reinforcing gasket 2403b4, which cooperates with the opening of the widest step section of the hollow chamber 2404 , Its radial height is not greater than 1/3 of the radial height of the hollow chamber 2404, and the reinforced gasket 2403b4 is made of bending-resistant and lightweight rigid material; (5) The connecting bolts are standard bolts of M6～M16 specifications, the first The bolt through hole 2403b1 and the reinforcing washer 2403b4 are matched with it; (6) The support connecting wall 2403b on the same radial surface as the first bolt through hole 2403b1 is provided with a silencer hole 2403b5. The silencer hole 2403b5 is a circular through hole and is connected to the first bolt through hole 2403b1. One support connecting wall 2403b on the same radial surface of a bolt through hole 2403b1 is provided with at least one silencing hole 2403b5, the diameter of the silencing hole 2403b5 is not greater than the thickness of the support wall 2403, the spacing is equal to its diameter, and the silencing hole 2403b5 is centrally arranged on the support The connecting wall 2403b is not connected to the main body 3403 in a ring shape. a. In the blocked area; (7) The hollow chamber 2404 is not provided with a muffler wall 2407 in the axial projection area of the reinforced gasket 2403b4 to facilitate the disassembly and assembly of the support ring 24. The tire 34 is a tubeless tire fitted with the rim 11. The special feature is that the surface of the inner liner 3402 of the tread 3401 of the tire 34 is provided with a bolt connection part 3403. The bolt connection part 3403 consists of an annular connection main body 3403a and an additional structural layer 3403b Composition; the cross-sectional shape of the annular connecting body 3403a is rectangular, its radial height is equal to 1/3 of the radial height of the support ring 24, and its axial width is equal to 1/5 of the axial width of the bottom of the flat-bottomed deep groove 1102, The annular connecting body 3403a is aligned with the axial center of the bottom of the flat-bottomed deep groove 1102; there are two additional structural layers 3403b, which are symmetrically placed on both sides of the annular connecting body 3403a, and the thickness is equal to the outer circumferential surface and the inner surface of the outer ring 2401. The radial distance of the inner circumferential surface of the liner 3402, the axial ends of which are close to the sidewall of the tire 34 are respectively aligned with the axial ends of the groove bottom of the flat-bottomed deep groove 1102, and the two additional structural layers 3403b are along the circumferential direction. Glue and fix on the surface of the inner liner 3402; the ring-shaped connecting body 3403a is composed of an additional structural layer 3403b that is vertically bent into two sides and filled with rubber in the middle. The additional structural layer 3403b is composed of rubber containing cords, and the rubber has a Shore hardness of 50~ 80 degrees; the annular connecting body 3403a is provided with a second bolt through hole 3403a1 that cooperates with the first bolt through hole 2403b1, the number of the second bolt through hole 3403a1 is N times the number of the first bolt through hole 2403b1, the N The multiple is not less than an integer multiple of 2, and the second bolt through hole 3403a1 is used for not only cooperating with the fixing of the support ring 24, but also for reducing the weight and improving the comfort. In this embodiment, there are two support rings 24, with the first bolt through holes 2403b1 facing each other, symmetrically placed on both sides of the annular connecting body 3403a, and fixed on the inner side of the tread 3401 of the tire 34 by bolt connection.

Example 5

As shown in FIG. 14 and FIG. 15, a run-flat tire system with a support ring arranged on the inner side of the tread includes a rim 11, a support ring 25, and a tire 35 that cooperate with each other. The rim 11 is detailed in Example 1. The support ring 25 is basically the same as the support ring 24 in the fourth embodiment. The difference is: (1) The first connection through hole 2503b1 that is the same as the first bolt through hole 2403b1 is provided on all the support connection walls 2503b, and one support connection wall 2503b A first connecting through hole 2503b1 is provided; (2) the radially outer surface of the tubular extension hole wall 2503b2 and the reinforcing connecting wall 2503b3 attached to the first connecting through hole 2503b1 and the radially outer surface of the support ring 25 are radially aligned; 3) The hollow chamber 2504 is not provided with a muffler wall 2507 in the area formed by the tubular extending hole wall 2503b2, the reinforced connecting wall 2503b3, and the circumferential outer ring 2501. The tire 35 is basically the same as the tire 34 in Embodiment 4, except that the second connecting through hole 3503a1 and the first connecting through hole 2503b1, which are the same as the second bolt through hole 3403a1, are matched with each other. In addition, the connecting bolts and reinforcing washer 2403b4 described in Embodiment 4 are eliminated, and the cable ties for lashing connection described in Embodiment 3 are used instead. Refer to Embodiment 3 for details of the lashing connection method.

The above described in conjunction with the accompanying drawings are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any improvement made by any person skilled in the art within the technical scope disclosed in the present invention , Changes or replacements shall all be covered within the protection scope of the present invention.

Claims

A run-flat tire system with a support ring arranged on the inner side of the tread, comprising a rim, a support ring and a tire that are matched with each other, and is characterized in that:

The rim is a deep groove rim suitable for tubeless tires, and the deep groove rim is an integrated rim. The special feature is that the bead seat of the rim is provided with a tire for preventing the tire from being at one end close to the deep groove. The convex peaks of the ring loosened inward, and the deep grooves of the rim are arranged to facilitate the disassembly and assembly of the tire and also have a flat-bottomed deep groove that cooperates with the support ring to support the wheel in a flat state;

The support ring is an elastic ring body, which is arranged on the inner side surface of the tire tread, and the bottom of the flat-bottomed deep groove contacting the rim when the tire deflates replaces the tire to support the wheel; the support ring is a non-detachable support A ring or a detachable support ring; the detachable support ring is set as a zipper connection support ring, a lashing connection support ring, or a bolt connection support ring according to the connection mode;

The tire is a tubeless tire fitted with the rim, and the special feature is that a non-detachable support ring is provided on the inner side of the tread of the tire, or a connecting member for connecting and fixing with a detachable support ring is provided; The connecting part is configured as a zipper connecting part or a binding connecting part or a bolt connecting part according to the connection mode of the supporting ring to be matched;

The non-detachable support ring is glued and fixed on the inner side of the tire tread; the detachable support ring is fixed on the tire tread by cooperating with a zipper connection component, a lashing connection component, or a bolt connection component. On the inside surface.
The run flat tire system with a support ring set on the inner side of the tread according to claim 1, wherein the flat-bottomed deep groove is based on the original deep groove of the rim, and the groove bottom of the deep groove is moved along the axis. The axial width of the flat bottom is not less than 1/3 of the axial width of the rim and not more than 2/3 of the axial width of the rim; the groove bottom of the flat-bottomed deep groove An axial groove is arranged along the axial direction for preventing the support ring from slipping along the circumferential direction of the groove bottom surface and facilitating heat dissipation when the air leakage continues, and the axial groove is uniformly arranged along the groove bottom circumferential direction of the flat-bottomed deep groove.
The run flat tire system with a support ring arranged on the inner side of the tread according to claim 1, wherein the radial height of the support ring is equal to the inner circumferential surface of the inner liner of the tire tread and the inner circumferential surface of the inner liner of the tire tread. 40%-60% of the radial distance of the outer circumferential surface of the bottom of the flat-bottomed deep groove of the rim; the support ring is composed of a circumferential outer ring and a circumferential inner ring, and a supporting wall bridging the two; The outer ring matches the inner side surface of the tire tread or the inner side surface of the connecting member; the circumferential inner ring contacts the bottom surface of the flat-bottomed deep groove of the rim when the tire is flat; the support wall includes a support The main wall and the supporting connecting wall; the supporting main wall is in a zigzag shape and extends in a stepped shape along the axial direction. The stepped shape consists of an N-section of the axial wall and an N-1 section of the radial wall connected between the axial wall The N section includes 2 sections or 3 sections, the axial lengths of the axial walls at both ends of the stepped shape are the same, and the axial lengths of the axial walls at the middle and the axial walls at both ends do not differ by more than 1 time. , The radial width of each section of the radial wall is the same; the supporting main wall is divided into a forward main wall and a reverse main wall according to the different bending directions, and the forward main wall and the reverse main wall are along the axial direction In a symmetrical shape, the radial distance between the forward main wall and the reverse main wall closest to the axial wall is equal to twice the radial wall when the axial wall supporting the main wall is two sections. When the axial wall of the main wall is three segments, it is equal to the sum of its radial walls; the axial widths of the forward main wall and the reverse main wall, the circumferential outer ring and the circumferential inner ring are equal And radially aligned; the forward main wall and the reverse main wall are arranged alternately and continuously in the circumferential direction; the supporting connecting wall is arranged radially in the axial direction closest to the forward main wall and the reverse main wall At either the axial middle or the axial ends of the wall, each supporting connecting wall connects each forward main wall and each reverse main wall to each other to form an end-to-end closed ring; the set of symmetrical forward directions The main wall and the reverse main wall, and a supporting connecting wall, and the circumferential outer ring and the circumferential inner ring together form a hollow chamber that narrows stepwise from the opening, and the hollow chamber alternates in forward and reverse directions along the circumference. The support ring is composed of 40 to 80 hollow chambers that do not distinguish between positive and negative directions; the support wall is provided with inverted corners along the corners of the step, the connection and the bridge. Angle; the inner circumferential surface of the circumferential inner ring of the support ring is provided with a number of circumferential grooves extending in parallel in the circumferential direction; the inner circumferential surface of the circumferential inner ring is provided with chamfers at both ends in the axial direction;

In addition, the hollow chamber is provided with a muffler wall for reducing tire noise. The muffler wall is composed of a sponge-like material and is arranged in the widest step section of the hollow chamber at the opening. The surface of the sponge-like material The apparent density is less than 0.1g/cm 3 ; the fixed volume of the muffler wall is slightly compressed than the volume in the free state, and the axial thickness of the muffler wall is slightly smaller than the axial thickness of the widest step section of the hollow chamber Depth; the muffler wall and the circumferential outer ring and the circumferential inner ring contact end faces are centrally provided with an arc-shaped notch; the muffler wall backs against the narrowing of the widest step section of the hollow chamber and Pasted and fixed on the axial wall of the widest stepped section or the radial wall of the narrowed part;

In addition, when the support ring is configured as a non-detachable support ring, the axial width of the non-detachable support ring is equal to or slightly smaller than the axial width of the bottom of the flat-bottomed deep groove of the rim; the support of the non-detachable support ring The main wall is provided with three axial walls; the non-removable support ring is aligned with the axial center of the bottom of the flat-bottomed deep groove; the outer circumference of the non-removable support ring matches the tread of the tire The inner lining is bonded and fixed with the inner lining; the non-detachable support ring is composed of reclaimed rubber using waste tires as the main raw material, and the shore hardness of the reclaimed rubber is 50-80 degrees;

In addition, when the support ring is set as a detachable support ring, the detachable support ring is set as a zipper connection support ring, a lashing connection support ring, or a bolt connection support ring according to the connection mode; the zipper connection support ring is in the zipper The connecting part is fixed on the tire by a zipper connection under the cooperation; the lashing connection support ring is fixed on the tire by a lashing connection under the cooperation of the lashing connection part; the bolt connection support ring is fixed on the bolt connection part The detachable support ring is fixed on the tire by bolt connection under the cooperation of the detachable support ring; the outer circumferential surface of the outer circumference of the detachable support ring is provided with a circumferential groove; the detachable support ring is made of polyurethane, and the Shore hardness of the polyurethane is 50 to 80 degrees.
The run flat tire system with a support ring set on the inner side of the tread according to claim 3, wherein the axial width of the zipper connection support ring is equal to the axial width of the bottom of the flat-bottomed deep groove of the rim The axial wall of the main wall of the zipper connection support ring is set in three sections; the outer circumference of the zipper connection support ring is set as an inner and outer two layers, wherein the outer circumferential surface of the outer layer part fits the tire The inner circumferential surface of the inner liner of the tread, the thickness of the outer layer part is not less than the thickness of the inner layer part; the zipper connection support ring is provided with a first zipper part for zipper connection; the first zipper part is provided with 2 The cloth tape is symmetrically placed on both sides of the zipper connection support ring, and its end close to the zipper connection support ring is arranged between the inner and outer layers of the circumferential outer ring and is bonded to each other as a whole, and the cloth tape is bonded The axial width of the fixed part and the free part exposed to the circumferential outer ring is not less than 10mm, and the cloth belt is arranged between the inner and outer layers of the circumferential outer ring in the circumferential direction; the two cloth belts run along the wheel The center of the circle is symmetrically provided with an opening, the opening is provided along the axial direction, one end of the opening is provided with a top stop, and the other end of the opening is provided with an extension band separated from the circumferential outer ring. The length of the extension band Not less than 30mm, the direction of the end of the extension belt is opposite to the direction in which the wheel advances; the end of the extension belt is provided with a socket; the outer edges of the cloth belt and the extension belt are provided with fastener teeth along the circumferential direction; the first zipper The component is provided with a slider, and the pull tab of the slider is set to be completely attached to the cloth tape; the first zipper component is provided with two four-button buckles, and one of the male buckles of the four-button buckle is arranged on the slider On the pull tab, the female buckle is set on the cloth tape, when the slider is pulled to the top stop, the male buckle on the pull tab overlaps the female buckle; the male buckle of the other four-button buckle is set near the end of the extension belt, the female buckle It is arranged on the cloth belt, and when the extension belt is close to the cloth belt, the male buckle and the female buckle overlap; the zipper connection support ring is fixed on the tire through a zipper connection under the cooperation of the zipper connection member.
The run flat tire system with a support ring provided on the inner side of the tread according to any one of claims 1 or 4, wherein the zipper connecting member is provided on the inner side of the tire tread, and the zipper The connecting component includes an additional adhesive layer and a second zipper component; the additional adhesive layer is composed of rubber containing cords, and its thickness is equal to the thickness of the outer layer portion of the outer ring of the zipper connection support ring, and its axial width is not Less than 20mm, the additional adhesive layer is provided with two, symmetrically placed on both sides of the zipper connection support ring, which are close to the axial end of the zipper connection support ring and the bottom of the flat-bottomed deep groove of the rim. The axial ends are aligned radially, and the axial distance is equal to the axial width of the zipper connection support ring; the second zipper component is provided with two cloth belts, and the cloth belts are symmetrically placed on the additional adhesive layer close to the tire of the tire. On both sides of the wall, one end of which is close to the additional adhesive layer is arranged between the additional adhesive layer and the tire inner liner and is bonded to each other as a whole. The axial width of the bonded and fixed part of the cloth tape is not less than 10mm, and the cloth tape The axial width of the free part exposed on the additional adhesive layer is equal to the sum of the axial width and the radial thickness of the additional adhesive layer minus the axial width of the free part of the tape provided by the first zipper component; The adhesive layer and the cloth belt are glued and fixed on the surface of the inner liner of the tire tread in the circumferential direction; the two cloth belts are provided with an opening symmetrically along the center of the wheel, and the openings are arranged along the axial direction. One end of the opening is provided with a top stop, and the other end of the opening is provided with an extension belt separated from the additional adhesive layer, the extension belt and the first zipper component are provided with the same direction and length of the extension belt; the extension The end of the belt is provided with a cannula; the outer edges of the cloth belt and the extension belt are provided with fasteners along the circumferential direction; the second zipper component is provided with a four-button buckle, and the male buckle of the four-button buckle is arranged on the extension At the position near the end of the belt, the female buckle is arranged on the cloth belt, and when the extension belt is close to the cloth belt, the male buckle and the female buckle overlap; the chain teeth and the upper stop of the second zipper component, the insertion tube and the first zipper The sliders and fastener elements provided on the components cooperate with the top stop and the socket; the zipper connection component cooperates with the zipper connection support ring to be fixed on the inner side of the tread of the tire through a zipper connection.
The run flat tire system with a support ring arranged on the inner side of the tread according to claim 3, wherein the circumferential outer ring of the lashing connection supporting ring is arranged as a first circumferential outer ring and a second circumferential outer ring. Ring; the outer circumferential surface of the first circumferential outer ring fits the inner circumferential surface of the inner liner of the tire tread, and its axial width is equal to the axial width of the bottom of the flat-bottomed deep groove of the rim 1/3～1/2; The second circumferential outer ring is arranged between the first circumferential outer ring and the circumferential inner ring, and the radial distance from the first circumferential outer ring is not less than 10mm, and its axis The axial width is consistent with the circumferential inner ring and equal to the axial width of the bottom of the flat-bottomed deep groove; the first circumferential outer ring and the second circumferential outer ring have the same thickness; the first circumferential outer ring and the second circumferential outer ring have the same thickness; The outer ring and inner ring are aligned with the axial centers of the two circumferences; the axial wall provided by the supporting main wall of the lashing and connecting supporting ring is divided into three sections, and the axial width of the axial wall in the middle is equal to the first circumferential direction The axial width of the outer ring, in the area between the first circumferential outer ring and the second circumferential outer ring, only the middle axial wall and the radial walls at both ends are provided; the lashing connection supports the connecting wall of the support ring It is arranged radially between the forward main wall and the radial wall closest to the reverse main wall; the supporting connecting wall is arranged in the area between the first circumferential outer ring and the second circumferential outer ring. For the first lashing through hole of the lashing connection, one supporting connection wall is provided with a first lashing through hole, the first lashing through hole is a circular through hole, and its diameter is not greater than the first circumferential outer ring and the second circumferential direction 1/2 of the radial distance of the outer ring, the first lashing through hole is arranged close to the first circumference to the outer ring; the first lashing through hole is axially arranged toward the radially outer surface of the first circumference of the outer ring There is a tubular extending hole wall; a reinforced connecting wall is provided between the tubular extending hole wall and the second circumferential outer ring; the radially outer side of the tubular extending hole wall and the reinforced connecting wall is connected to the first circumferential outer ring The radial outer side surface is radially flattened; the outer circumferential surface of the first circumferential outer ring is provided with a circumferential groove, and the outer circumferential surface of the second circumferential outer ring is located on both sides of the first circumferential outer ring axial direction Is provided with the same circumferential groove; the radially outer side of the second circumferential outer ring at both ends of the axial direction is radially provided with at least one first mark, and the first mark is directed to the first lashing through hole The linear mark of the center of the circle; the lashing connection support ring is fixed on the tire by lashing connection under the cooperation of the lashing connection component.
The run flat tire system with a support ring provided on the inner side of the tread according to any one of claims 1 or 6, wherein the lashing connecting member is provided on the inner side of the tire tread, and the lashing There are two connecting parts arranged symmetrically on both sides of the lashing connecting support ring, and the axial ends close to the sidewall of the tire are radially opposite to the axial ends of the bottom of the flat-bottomed deep groove of the rim. Align, the axial distance is equal to the axial width of the first circumferential outer ring of the lashing connection support ring, and its thickness is equal to the radial distance between the first circumferential outer ring and the second circumferential outer ring of the lashing connection support ring, so The two lashing connecting parts are bonded and fixed on the surface of the inner liner of the tire tread in the circumferential direction, the lashing connecting parts are made of rubber, and the hardness of the rubber is consistent with the hardness of the lashing connecting support ring; The lashing connection part is provided with a second lashing through hole that cooperates with the first lashing through hole of the lashing connection support ring; the radially outer side of the lashing connection part located at both ends of the axial direction is radially provided with at least one second mark, The second mark is a linear mark pointing to the center of the second lashing through hole; the lashing connection member cooperates with the lashing connection support ring to be fixed on the inner side of the tread of the tire through a lashing connection;

In addition, the lashing connecting part is provided with lightening circular holes, the diameter of which is not greater than 2/3 of the thickness of the lashing connecting part, and the lightening circular holes are evenly distributed outside the second lashing through hole, and the spacing of the lightening circular holes is The distance from the second lashing through hole is equal to or slightly smaller than the thickness of the support wall of the lashing connection support ring, and the lightening round hole is not provided with an orifice on the end surface close to the tire sidewall;

In addition, the main rope of the lashing rope used for the lashing connection is a stretch-resistant soft lashing rope, and the thickness of the main rope is set to 2 strands that can easily pass through 3 strands and cannot pass through the lashing through holes. There is a conspicuous sign with a contrasting color at the lashing section, an elastic rubber band is arranged at the end of the main rope, and a safety hook with a locking function is arranged at the end of the rubber band.
The run-flat tire system with a support ring set on the inner side of the tread according to claim 3, wherein the axial width of the bolted support ring is equal to the axial width of the groove bottom of the flat-bottomed deep groove of the rim 2/5; the radial distance between the outer circumferential surface of the outer ring of the bolt connection support ring and the inner circumferential surface of the inner liner of the tire tread is not less than 2mm; the support of the bolt connection support ring The main wall is provided with two axial walls, and the supporting connecting wall of the bolted supporting ring is radially arranged at the axial outer end of the axial wall closest to the forward main wall and the reverse main wall; The supporting connection wall on any one of the radial side surfaces of the bolt connection support ring is provided with a first bolt through hole for bolt connection, the first bolt through hole is a circular through hole, and the center of the first bolt through hole is the same as the center of the first bolt through hole. The radial distance of the outer circumferential surface of the outer ring is equal to 1/6 of the radial height of the bolt connection support ring; the first bolt through hole is axially provided with a tubular extension hole in the direction of the opening of the hollow chamber The tubular extension hole wall and the supporting wall on both sides and the circumferential outer ring are provided with a reinforced connecting wall; the radially outer side of the tubular extension hole wall and the reinforced connecting wall and the narrowest of the hollow chamber The radial outer side of the stepped section is radially flattened; the bolt connection support ring is provided with two, and the first bolt through holes face each other, and are symmetrically placed on both sides of the bolt connection part. Fixed on the tire through bolt connection under the cooperation of

In addition, a reinforcing gasket is provided on the radially outer side of the wall of the tubular extension hole, and the reinforcing gasket is matched with the opening of the widest step section of the hollow chamber, and the radial height of the reinforcing gasket is not greater than the radial height of the hollow chamber. 1/3, the reinforced gasket is made of a rigid material that resists bending and is lightweight;

In addition, the connecting bolts are standard bolts of M6 to M16 specifications, and the first bolt through hole and the reinforcing washer are all matched with it;

In addition, the supporting connecting wall on the same radial surface as the first bolt through hole is provided with a silencing hole, the silencing hole is a circular through hole, and one supporting connecting wall is provided with at least one silencing hole, and the diameter of the silencing hole is different. Greater than the thickness of the supporting connecting wall, the spacing is equal to its diameter, and the muffler hole is centrally arranged in the area of the supporting connecting wall that is not blocked by the bolt connection part;

In addition, the hollow chamber is not provided with the muffler wall in the axial projection area of the reinforcing gasket.
The run flat tire system with the support ring provided on the inner side of the tread according to any one of claims 1 or 8, wherein the bolt connection member is provided on the inner side of the tire tread, and the bolt The connecting part is composed of a ring-shaped connecting body and an additional structural layer; the cross-sectional shape of the ring-shaped connecting body is rectangular, its radial height is equal to 1/3 of the radial height of the bolt connection support ring, and its axial width is equal to the 1/5 of the axial width of the bottom of the flat-bottomed deep groove of the rim, the annular connecting body is aligned with the axial center of the bottom of the flat-bottomed deep groove; the additional structure layer has 2 layers, which are symmetrically placed in the annular connection The thickness of the two sides of the main body is equal to the radial distance between the outer circumferential surface of the outer ring of the bolted support ring and the inner circumferential surface of the inner liner of the tire tread, which is close to the axial ends of the sidewall of the tire, respectively Aligned radially with the axial ends of the bottom of the flat-bottomed deep groove, two additional structural layers are bonded and fixed on the surface of the inner liner of the tire tread in the circumferential direction; the annular connecting body is vertically bent by the additional structural layer It is composed of two sides and filled with rubber in the middle. The additional structural layer is composed of rubber containing cords, and the Shore hardness of the rubber is 50-80 degrees; the annular connecting body is provided with the first bolt through hole to interact with each other. Matched second bolt through holes, the number of the second bolt through holes is N times the number of the first bolt through holes, and the N times is an integer multiple of not less than 2 times; the bolt connection part matches the The bolt connection support ring is fixed on the inner side surface of the tread of the tire by bolt connection.