CN108274962A - integrated safety wheel - Google Patents

Abstract

The present invention discloses an integrated safety wheel, which has a wheel hub, and a plurality of tires are axially arranged on the wheel hub. An independent sealed air chamber is formed by the wheel hub and the tire, and a limited pitting protection wheel and a protective collar are arranged between two adjacent air chambers. In the present invention adopting the above structure, if one tire bursts, it is supported by the other tire, and if two tires burst at the same time, they are supported by the limited pitting protection wheel and the protective collar, so that the direction deviation is small, so that the driver can get time to deal with sudden failures, and the pneumatic tire will not be crushed to burst and scrap. The optimization of the tire being divided into two or more can simplify the manufacturing difficulty, the production process, and improve the installation; the limited pitting protection wheel and the protective collar can prevent the pneumatic tire from being severely compressed due to a tire burst, an external attack from both sides, bad road conditions, etc. during driving, provide backup driving support, protect driving safety, and prevent road debris from squeezing in and damaging the tire. It has high safety, a simple overall structure, and strong practicality.

Description

Integrated safety wheels

technical field

The invention belongs to the technical field of vehicle tires, and in particular relates to an integrated safety wheel.

Background technique

Wheels are an indispensable and important part of carrying the quality of mobile carriers and ensuring safe moving speed. Using pneumatic tires as mobile devices is the general first choice for all current aircraft, automobiles, motorcycles, etc., because pneumatic tires respond quickly and have Good shock absorption function makes the movement more stable, and the front wheel is loaded with a vital safety guiding role. When the vehicle is running at high speed, if one side of the front wheel blows out, the vehicle will be unbalanced and the direction will deviate sharply, and the resulting major traffic accidents will often occur. According to incomplete statistics, when the speed of a vehicle reaches 160km/h, the accident death rate that causes because of front wheel blowout reaches 100%, and when speed of a vehicle reaches 120km/h, the accident death rate that front wheel blows out reaches 70%.

The high accident fatality rate caused by the front tire blowout has always been a big invisible killer of driving vehicles. Although the major vehicle manufacturers and tire manufacturers have been devoting themselves to solving the problem of accidents caused by tire blowouts, they have been constantly improving and improving, and have released a variety of run-flat tires, but there are still many defects that are recognized in practical applications. The current explosion-proof tire technology generally adopts: adding reinforcing ribs on the inner side of the tire to increase the load-bearing capacity, filling foam in the vacuum tire, hollow multi-shuttle type, multi-ring type to form an airless tire, etc. These technical means are to deal with sudden tire blowouts The safety threat brought by this tire, when the vehicle is running, especially when driving at high speed, the vehicle will be subjected to strong vibration, and there are large noise, poor comfort, high vehicle failure rate, difficult maintenance, complex structure, poor reliability, difficult installation, Defects such as difficult production, poor reliability, impact on the overall stability of the vehicle, high fuel consumption, and high cost. The vehicle guidance control device is located on the front wheel hub, which is a single longitudinal tire device so far. Therefore, if the tire on either side of the front wheel of the vehicle is blown out or damaged, the direction of movement will be out of balance and deviate, so the safety of the vehicle cannot be guaranteed;

And in today's rapid economic development, people rely on various automobiles and tool carts to travel, and the roads are smooth and the vehicle travel speed is higher. Therefore need badly a kind of wheel that can absolutely effectively solve the hidden danger that front wheel puncture exists.

Contents of the invention

In order to solve the above problems, the present invention provides an integrated safety wheel on which a plurality of tires are installed on the hub.

The technical scheme adopted by the present invention to solve the technical problem is: an integrated safety wheel, which has a hub, and several tires are arranged on the hub in the axial direction, and an independent air chamber is formed by the hub and the tires. A sag-limiting protection wheel and a protective collar sheathed on the outer peripheral side of the sag-limiting protection wheel are arranged between the air chambers.

Preferably, the hubs are arranged axially corresponding to the tires and are surrounded by multiple sets of rims. Each set of rims is used to install a tire. between the two sets of rims.

Preferably, the tire is preferably set to two, and two independent sealed air chambers are formed by the hub and the tire.

Preferably, the maximum outer diameter of the sag-limiting protection wheel is larger than the outer diameter of the rim and smaller than the maximum outer diameter of the tire, and there is a certain buffer gap between it and the protective collar.

Preferably, the protective collar is in the shape of a ring and has certain shrinkage, the inner ring surface of the protective collar has grooves adapted to the confinement protection wheel, and rings are arranged on both sides of the outer annular surface of the protective collar. The side wall of the tire is provided with a ring groove corresponding to the ring edge, and the ring edge is embedded in the ring groove on the tire side wall.

Preferably, the tire is a vacuum tire.

Preferably, the hub is provided with several air passages, one end of the air passage is respectively connected to an air chamber, and the other end of the air passage is connected to the outside of the hub to form a number of intake and exhaust ports, and the intake and exhaust ports are set Angry mouth.

Preferably, the tire is composed of rubber, nylon braided mesh layer, steel wire braided mesh layer and steel wire ring structure.

Preferably, the sag-limiting protection wheel, the hub, the protective collar and tires sheathed on the outer peripheral side of the sag-limiting protection wheel form an integrated safety wheel.

The beneficial effect of the present invention is that: an integrated safety wheel is formed by installing a plurality of tires and the sag-limiting protection wheel on the wheel hub and the protective collar sleeved on the outer peripheral side of the sag-limiting protection wheel. If the tire blows out, the other tire remains supported. If both tires blow out at the same time, they will be supported by the sag-limiting protective wheel and the protective collar. The driver has enough time to deal with a sudden tire blowout, and when the tire blows out, the pneumatic tire loaded in the wheel hub will not be affected Rolled until it bursts and is scrapped, the vehicle can continue to drive at a slow speed, and there will be no accidents caused by the loss of control of the vehicle, and the probability of all tires bursting is extremely small. Optimization can simplify the manufacturing difficulty and production process, greatly improve the cost, service life, installation and dismantling, and the tire reliability is strong; further, the sag-limiting protective wheel and the protective collar can prevent the vehicle from bursting during driving. The pneumatic tires are severely compressed and damaged due to external attacks on both sides, bad road conditions, etc. It provides back-up driving support to protect driving safety and avoid damage to tires caused by debris on the road. It has high safety and its overall structure is simple. Strong practicality.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further described:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural sectional view of the first embodiment of the present invention;

Fig. 3 is a partially enlarged schematic diagram of the first embodiment of the present invention;

Fig. 4 is a structural cross-sectional view of a second embodiment of the present invention;

Fig. 5 is a schematic diagram of assembly of the present invention.

Detailed ways

Referring to Fig. 1 to Fig. 5, the present invention is an integrated safety wheel, which has a hub 1, on which a plurality of tires 2 are arranged in the axial direction, and an independent sealed air chamber 5 is formed by the hub 1 and the tires 2. Between the two adjacent air chambers 5, a confinement protection wheel 3 and a protection collar 4 sheathed on the outer peripheral side of the confinement protection wheel 3 are arranged. Preferably, the hub 1 is arranged axially corresponding to the tire 2 and is surrounded by a plurality of sets of rims 301, each set of rims 301 is used to install a tire 2, the sag-limiting protective wheel 3 and the protective sleeve The ring 4 is disposed between two adjacent sets of rims 301 . As shown in the figure, there are preferably two tires 2 in this embodiment. Correspondingly, two sets of rims 301 are arranged on the hub 1, and the two tires 2 are mounted on the two sets of rims 301 respectively to form two sets of rims. Independently sealed air chamber 5. Between the two groups of rims 301 on the wheel hub 1 protrudes a ring-limited protection wheel 3, the maximum outer diameter of which is greater than the outer diameter of the rim 301 and smaller than the maximum outer diameter of the tire 2, between the two tires 2 When installed on two groups of rims 301, a certain gap will be formed on the outer peripheral side of the sag-limiting protection wheel 3, and the protective collar 4 is arranged on the outer peripheral side of the sag-limiting protection wheel 3 to close the gap. Specifically, the protective collar 4 is in the shape of a ring, the inner ring surface of the protective collar 4 has a groove 401 adapted to the sag-limiting protective wheel 3, and ring edges are provided on both sides of the outer annular surface of the protective collar 4 402, the side wall of the tire 2 is provided with a ring groove corresponding to the ring edge 402, the ring edge 402 is embedded in the ring groove on the side wall of the tire 2, and the groove 401 on the inner ring surface of the protective collar 4 is in contact with the limit There is a certain buffer gap between the protective wheels 3 . The sag-limiting protective wheel 3 and the rim 301 are integrally formed with the hub 1, and the protective collar 4 is made of rubber, nylon, silica gel and other materials and has a certain degree of shrinkage. The gap between the tires 2 prevents the tires from being squeezed in by road debris and causing damage to the tires 2.

Further, the tire 2 in this embodiment is set as a vacuum tire 2 . Therefore, the hub 1 is provided with two air passages 7, one end of the two air passages 7 communicates with an air chamber 5, and the other end of the two air passages 7 is connected to the outside of the hub 1 to form two intake and exhaust ports. Air intake and exhaust ports are provided with air nozzles 6 . In order to ensure tire 2 strength, preferably, described tire 2 is made up of rubber, nylon braided mesh layer, steel wire braided mesh layer and steel wire ring structure.

To sum up, the integrated safety wheel in this embodiment installs a plurality of tires 2 on the hub 1. When one tire 2 bursts and leaks air, the other tires 2 continue to work, the diameter of the wheel remains unchanged, and the tires 2 Without deformation, the wheels can continue to be supported and run, the vehicle is safe to drive, and accidents caused by loss of control of the vehicle will not occur, and the probability of all tires 2 bursting is extremely small, so the wheels of this structure are safe and reliable; The protective wheel 3 and the protective collar 4 can prevent the pneumatic tire from being severely compressed and damaged due to tire blowout, external attacks on both sides, bad road conditions, etc. during driving, and provide back-up driving support to protect driving safety and avoid road debris Squeeze in and cause damage to the tire 2, which has high safety, simple overall structure and strong practicability. And the hidden design of the air nozzle 6 is not only beneficial to the appearance of the product, but also can reduce the air resistance in the process of driving the vehicle and reduce fuel consumption.

The present invention is not limited to the materials and techniques used, but also covers the principle of creating an integrated safety wheel in which the wheel hub 1 is provided with multiple air chambers 5 and the trapping protection ring and the protection collar 4 are integrated.

In addition, as shown in FIG. 4, the above-mentioned structure with two tires 2 has another embodiment, in which the wheel hub 1 is only provided with rims 301 at both ends to form a group of rims 301. In this group of wheels In the middle of the edge 301, a sag-limiting protection wheel 3 is arranged, and an installation structure cooperating with the rim of the tire 2 is arranged on both sides of the upper end of the sag-limiting protection wheel 3, and the tire 2 is set to a structure with different rim diameters on both sides, so that one of the tires 2 The rim cooperates with the rim 301 , and one rim cooperates with the installation structure, so as to realize the installation of the tire 2 . When the tire 2 is installed, the larger side of the rim diameter is inserted into the matching recess from the side of the wheel hub 1, and then the smaller side of the rim diameter is pressed into the rim 301 of the wheel hub 1 to get final product. And traditional tire 2 is installed, and both sides of tire 2 all need to be pressed in the rim 301 of wheel hub 1 by tool, and the rim part of tire 2 is easily damaged. Therefore the present embodiment utilizes the limited trap wheel 3 to install the tire 2, the installation efficiency is higher, the rim part of the tire 2 is not easily damaged, the air tightness is better, and the service life is longer. In order to make the wheel universal, it is not necessary to change the chassis, suspension, shock absorbing system, etc. of the vehicle. The width of the tire 2 in this embodiment is half of the width of the ordinary tire 2, so that the size of the wheel hub 1 can be guaranteed to be the same as that of the traditional tire. unanimous. And also can be provided with a tire cover in the outside of two tires 2, groove is set on tire cover outer surface, and make the width of this tire cover equal to the total width of two tires 2. In this way, when the wear is severe, only the tire cover needs to be replaced, which reduces the cost of use. Concrete, this tire cover is fixed on two tires 2 by screw.

The foregoing embodiment is only a preferred version of the present invention, and the present invention also has other embodiments, such as the limitation of the protection wheel 3 welded or screwed on the wheel hub 1. Those skilled in the art can also make equivalent modifications or replacements without departing from the spirit of the present invention, and these equivalent modifications or replacements are all included within the scope set by the claims of the present application.

Claims (9)

1. The integrated safety wheel is characterized in that it has a hub on which several tires are arranged in the axial direction, an independent sealed air chamber is formed by the hub and the tires, and a limited trap is arranged between two adjacent air chambers. The protective wheel and the protective collar sheathed on the outer peripheral side of the sag-limiting protective wheel. 2. The integrated safety wheel according to claim 1, characterized in that, the hubs are arranged axially corresponding to the tires and are surrounded by a plurality of sets of rims, each set of rims is used to install a tire, The sag limiting protection wheel and the protection collar are arranged between two adjacent sets of wheel rims. 3. The integrated safety wheel according to claim 2, characterized in that there are preferably two tires, and two independent sealed air chambers are formed by the hub and the tires. 4. The integrated safety wheel according to claim 3, characterized in that, the maximum outer diameter of the sag-limiting protective wheel is larger than the outer diameter of the rim and smaller than the maximum outer diameter of the tire, and there is a certain buffer between the protective collar and the protective ring gap. 5. The integrated safety wheel as claimed in claim 4, characterized in that, the protective collar is circular and has a certain shrinkage, and the inner ring surface of the protective collar has a hole that is adapted to the sag-limiting protective wheel. Groove, ring edges are arranged on both sides of the outer ring surface of the protective collar, and ring grooves are arranged on the side wall of the tire corresponding to the ring edges, and the ring edges are embedded in the ring grooves on the tire side wall. 6. The integrated safety wheel according to any one of claims 1 to 5, wherein the tire is a vacuum tire. 7. The integrated safety wheel according to claim 6, characterized in that, the hub is provided with several air passages, one end of the air passage communicates with an air chamber respectively, and the other end of the air passage leads to the outer side of the hub And form some intake and exhaust ports, described intake and exhaust ports are provided with air nozzle. 8. The integrated safety wheel according to claim 6, wherein the tire is composed of rubber, nylon braided mesh layer, steel wire braided mesh layer and steel wire ring structure. 9 . The integrated safety wheel according to claim 6 , characterized in that, the anti-sag wheel, the wheel hub, the protective ring and the tire sheathed on the outer peripheral side of the anti-sag wheel form an integrated safety wheel.