WO2020135063A1

WO2020135063A1 - Tire puncture protective device

Info

Publication number: WO2020135063A1
Application number: PCT/CN2019/124750
Authority: WO
Inventors: 李宗展
Original assignee: 李宗展
Priority date: 2018-12-28
Filing date: 2019-12-12
Publication date: 2020-07-02
Also published as: CN209320607U

Abstract

A tire puncture protective device comprises an inner ring (1) contacting a hub. Rectangular high-strength metal cylinders (2) are evenly distributed and fixed on the entire circumference of an outer side of the inner ring (1). A rectangular high-strength metal column (3) is mounted in the cylinder (2). A curved high-strength metal support piece (8) is fixedly connected above each column (3). A siren (9) is mounted on one of the support pieces (8). Upper portions of corresponding two sides of each cylinder (2) have first pin holes (62). The protective device resolves the issue in which a tire body of a conventional tire rapidly becomes flat in a blowout, making accidents prone to occur. The protective device effectively ensures the stability of a traveling vehicle in a tire blowout accident, prevents the tire blowout from causing the vehicle to deviate, ensures the safety of a passenger in the vehicle, provides sufficient time for a driver to react, increases the possibility of safely and successfully handling the accident, has a high reaction speed, a remarkable operation effect, and high structural stability, and is easy to operate.

Description

Anti-puncture tire burst protection device

Technical field

The utility model belongs to the technical field of passive safety of automobiles and aircrafts, in particular to the protection technology of tire puncture.

Background technique

Since the invention of tires, the accidents of bus crashes and injuries caused by tire punctures are not uncommon. Especially with the emergence of highways, the consequences of high-speed vehicles due to tire punctures (as long as the steering wheel) are even more people. It was shocking that the lighter ones were bad and the others were injured, and the heavy ones were more devastating, especially the damage caused by the flat tires of large buses and trucks. As far as the domestic situation is concerned, from the statistics of the Ministry of Public Security and the Ministry of Communications, 70% of road accidents are caused by tires. The same is true of the aircraft. It is impossible to estimate the damage to the aircraft due to the tire puncture of the landing gear. Data show that aircraft tire accidents account for 80% of all aircraft accidents worldwide.

In recent years, domestic patent databases have published some similar tire protection devices and tire technology reports using tire protection devices:

[Application No.] ZL2016207865204, [Name] tire protection device and tire using tire protection device, [Publication Number] CN205890416U, discloses a tire protection device and tire using tire protection device, the tire protection device Including: a gas generating unit, a puncture linkage unit and an airbag assembly; a puncture linkage unit includes a first cylinder with one end open and a first actuating member disposed in the first cylinder; the first actuating member separates the first cylinder It is a sealed first cavity and a second cavity for communicating with the inner cavity of the tire; the gas generating unit communicates with the airbag assembly for generating gas and filling the airbag assembly when a flat tire occurs; the gas generating unit is The puncture linkage unit is electrically connected, and the first action piece is used to control the on-off of the circuit where the gas generation unit and the puncture linkage unit are located, but because the device cannot be directly installed with the chimney wedge, there is inconvenience in handling, and the middle link is long problem.

Summary of the invention

The utility model provides a tire puncture protection device with fast reaction speed, reusable use, firm structure, simple operation, anti-nail puncture, and long service life, which solves the problem that the carcass quickly shatters after the tire punctures, which is easy to cause accidents , In particular, it can effectively deal with the flat tire after the tire is punctured by nails.

The utility model provides a nail puncture protection device against tire puncture, which includes an inner ring in contact with the hub. The entire outer circumference of the inner ring is evenly arranged and fixed with a square high-strength metal cylinder cylinder. The cylinder cylinder is sleeved for assembly There is a square high-strength metal cylinder, and an arc-shaped high-strength metal supporting piece is fixedly connected above each column, and the two ends of each supporting piece respectively have a first step matching surface and a second step matching surface, one of which supports There is a whistle on the slice, the upper part of each cylinder corresponding to the two sides has a first pin hole, the middle part of one side of the cylinder has a pressure relief valve hole, a wedge-shaped pin is installed in the first pin hole, and a spring is connected to the outside of the pin In the middle position, the two ends of the spring are fixedly connected to the outside of the cylinder, and the corresponding side under each cylinder has a second pin hole, the diameter of the second pin hole is the same as the diameter of the first pin hole, and the axis of the two The line is on the same vertical plane, the cylinder body and the first bolt hole are provided with anti-slot grooves at the corresponding positions, the end of the latch is stuck in the anti-slot groove, and the bottom of the cylinder is provided with a one-way intake valve for one-way intake The valve has a valve switch with adjustable air pressure value. After the cylinder is installed in the cylinder, a closed cavity is formed between the lower part of the cylinder and the bottom of the cylinder.

The inner ring includes a first half ring, a second half ring, and a hinge. One end of the first half ring and one end of the second half ring are rotatably connected by a hinge, and the other end of the first half ring is connected to the second half ring. The other end is fixedly connected by bolts, so that the inner ring is fastened on the hub.

The lower edge of the anti-off groove is a slope structure.

The distance between the axis of the pressure relief valve hole and the axis of the first latch hole is equal to the distance between the axis of the second latch hole and the lower plane of the cavity forming the cavity

The utility model adopts the design of the latch structure, which can react quickly after the tire puncture, so that the tire can maintain the shape and continue to travel a safe distance, fully guarantee the stability of the vehicle driving in the tire puncture accident, and prevent the vehicle from running after the tire puncture. Severe conditions such as partial or even overturning protect passengers' driving safety. The rapid warning through the siren provides the driver with sufficient reaction time, increases the chance of safe and effective handling of accidents, and solves the rapid carcass after the traditional tire burst. Shrivelled and prone to accidents, especially to effectively deal with a flat tire after a nail is punctured. It has the advantages of fast response, reusability, firm structure, easy operation, anti-nail puncture and long service life.

BRIEF DESCRIPTION

FIG. 1 is a schematic diagram of the first structure of the present invention.

2 is a schematic diagram of the second structure of the utility model.

3 is a schematic diagram of the third structure of the present invention.

4 is a schematic diagram of the first state of the utility model.

5 is a schematic diagram of the second state of the utility model.

Among them: 1-inner ring, 101-first half ring, 12-second half ring, 13-hinge, 2-cylinder, 21-pressure relief valve hole, 3-cylinder, 4-pin, 5-spring, 61—second latch hole, 62—first latch hole, 7—one-way intake valve, 71—valve switch, 8—support piece, 81—first stepped mating surface, 82—second stepped mating surface, 9— Steam whistle, 10-cavity, 11-anti-grooving.

detailed description

The utility model is further described below with reference to specific drawings and embodiments.

As shown in FIGS. 1-3, the utility model mainly includes an inner ring 1 which is in contact with the hub. The entire circumference of the upper and outer sides of the inner ring 1 are evenly arranged and fixed with a square high-strength metal cylinder 2 which is sleeved in the cylinder 2 A square high-strength metal cylinder 3 is assembled, and an arc-shaped high-strength metal support piece 8 is fixedly connected above each cylinder 3, and each support piece 8 has a first step matching surface 81 and a second step at both ends Mating surface 82, one of the support pieces 8 is equipped with a whistle 9, the upper part of each cylinder 2 corresponding to the first side has a first pin hole 62, the middle part of the cylinder 2 has a pressure relief valve hole 21, the first pin hole A wedge-shaped plug 4 is installed in 62, and the outer side of the plug 4 is connected to the middle position of a spring 5, the two ends of the spring 5 are fixedly connected to the outer side of the cylinder 2, and the corresponding side under each cylinder 3 has a second plug hole 61, The diameter of the second latch hole 61 is the same as the diameter of the first latch hole 62, and the axis lines of the two are on the same vertical plane. The cylinder 3 and the first latch hole 62 are provided with anti-off grooves 11 at corresponding positions. The end of 4 is stuck in the anti-off groove 11, the bottom of the cylinder 2 is provided with a one-way intake valve 7, the one-way intake valve 7 has a valve switch 71 with an adjustable air pressure value, and the cylinder 3 is installed in the cylinder After 2, the bottom of the cylinder 3 and the bottom of the cylinder 2 form a closed cavity 10; the inner ring 1 includes a first half ring 101, a second half ring 12, a hinge 13, one end of the first half ring 101 and the second half One end of the ring 12 is connected by a hinge 13 to form a rotation, and the other end of the first half ring 101 and the other end of the second half ring 12 are fixedly connected by bolts, so that the inner ring 1 is fastened on the hub, and the pressure valve hole 21 is axial The distance from the axis center of the first latch hole 62 is equal to the distance between the axis center of the second latch hole 61 and the lower surface of the cylinder 3 forming the cavity 10.

In operation, after the device is placed in the tire, the other end of the first half ring 101 and the other end of the second half ring 12 are fixedly connected by bolt fasteners, so that the inner ring 1 is fastened to the hub. When the tire is inflated, the cylinder 2 The cavity 10 composed of the cylinder 3 is also filled with gas by the one-way intake valve 7 at the same time. The valve switch 71 on the one-way intake valve 7 can set the air pressure value. The external air pressure cannot exceed the set air pressure value. Inflate through the one-way intake valve 7 and the air pressure in the cavity 10 is the same as the tire pressure. Since the internal and external air pressure received by the cylinder 3 is the same, the cylinder 3 maintains a balance. With the assistance of the anti-slip groove 11, the cylinder is running 3 Up and down displacement will not occur, the support piece 8 is in the first state, as shown in FIG. 4; when the tire bursts, due to the instantaneous change in air pressure, the column 3 breaks out of the slope of the lower edge of the anti-slot 11 and pops out When the second bolt hole 61 on the cylinder 3 passes the bolt 4, the bolt 4 is quickly inserted into the second bolt hole 61 under the action of the spring 5, tightly locking the cylinder 3 and the cylinder 2 to form a firm whole, The pressure relief valve hole 21 is connected to the cavity 10, the gas in the cavity 10 is slowly discharged from the pressure relief valve hole 21, the support piece 8 is in the second state, as shown in FIG. 5, the metal support piece 8 is tightly supported The tire maintains the shape during normal operation, so that the vehicle keeps running normally, and the vehicle will not cause an instantaneous deviation to cause an accident. At the same time, the alarm is issued by the siren 9 in the device. After the tire is punctured, the siren 9 is pressed when the tire touches the ground. A whistle sounds to remind the driver of a flat tire.

Claims

A puncture-proof tire puncture protection device includes an inner ring (1) in contact with a hub, characterized in that the entire outer circumference of the inner ring (1) is evenly arranged and fixed with a square high-strength metal cylinder ( 2), a cylindrical high-strength metal cylinder (3) equipped with a square is sleeved in the cylinder (2), and an arc-shaped high-strength metal support piece (8) is fixedly connected above each cylinder (3), and each support The two ends of the sheet (8) respectively have a first stepped mating surface (81) and a second stepped mating surface (82), one of the supporting pieces (8) is equipped with a whistle (9), and each cylinder (2) corresponds to The upper part of both sides has a first plug hole (62), and the middle part of one side of the cylinder (2) has a pressure relief valve hole (21). A wedge-shaped plug (4) is installed in the first plug hole (62). 4) The middle position of a spring (5) is connected to the outside, and both ends of the spring (5) are fixedly connected to the outside of the cylinder (2), and the corresponding side edge under each cylinder (3) has a second latch hole (61) , The diameter of the second bolt hole (61) is the same as the diameter of the first bolt hole (62), and the axis lines of the two are on the same vertical plane, and the cylinder (3) corresponds to the first bolt hole (62) The position is provided with an anti-off groove (11), the end of the plug (4) is caught in the anti-off groove (11), and a one-way intake valve (7) is provided at the bottom of the cylinder (2), the one-way intake valve (7) There is a valve switch (71) with adjustable air pressure value. After the cylinder (3) is installed in the cylinder (2), the lower part of the cylinder (3) and the bottom of the cylinder (2) form a closed cavity ( 10).
The anti-stud tire puncture protection device according to claim 1, characterized in that the inner ring (1) includes a first half ring (101), a second half ring (12), a hinge (13), One end of the first half ring (101) and one end of the second half ring (12) are connected by a hinge (13), and the other end of the first half ring (101) passes through the other end of the second half ring (12) The bolts are fixedly connected so that the inner ring (1) is fastened on the hub.
The anti-stud tire puncture protection device according to claim 1, wherein the lower edge of the anti-slip groove (11) is a slope structure.
The anti-stud tire puncture protection device according to claim 1, characterized in that the distance between the axis of the pressure relief valve hole (21) and the axis of the first latch hole (62) is equal to that of the second latch hole ( 61) The distance between the axis and the lower plane of the cylinder (3) forming the cavity (10).