WO2018099446A1

WO2018099446A1 - Method for using anti-leakage valves for blowout prevention tire

Info

Publication number: WO2018099446A1
Application number: PCT/CN2017/114171
Authority: WO
Inventors: 郑运婷
Original assignee: 郑运婷
Priority date: 2016-12-03
Filing date: 2017-12-01
Publication date: 2018-06-07
Also published as: CN106494160B; CN106494160A

Abstract

A method for using anti-leakage valves (4) for a blowout prevention tire. The anti-leakage valves (4) for a blowout prevention tire comprise a first anti-leakage valve (5) and a second anti-leakage valve (6). The first anti-leakage valve (5) comprises a first one-way valve (9) and a first gas shutoff valve (10), and the second anti-leakage valve (6) comprises a second one-way valve (15) and a second gas shutoff valve (16). When the outer tire (2) is inflated, a first inner tire (7) is inflated by means of the first anti-leakage valve (5), and a second inner tire (8) is inflated by means of the second anti-leakage valve (6). The first anti-leakage valve (5) is provided with a first driving rod (20), and the second anti-leakage valve (6) is provided with a second driving rod (23). When the outer tire (2) loses a pressure, the first anti-leakage valve (5) is closed by means of the first one-way valve (9) and the first gas shutoff valve (10), the first inner tire (7) is kept in a pressurized state, and the first inner tire (7) supports the outer tire (2) by means of a first outer supporting column (27) and a first inner supporting column (28). When the outer tire (2) and the first inner tire (7) lose pressures, the second anti-leakage valve (6) is closed by means of the second one-way valve (15) and the second gas shutoff valve (16), the second inner tire (8) is kept in a pressurized state, and the second inner tire (8) supports the outer tire (2) by means of the first outer supporting column (27), the first inner supporting column (28), a second outer supporting column (29) and a second inner supporting column (30), so as to reduce occurrence of flat tire accidents.

Description

Explosion-proof tire anti-leak valve use method

Technical field

The invention relates to a method for using an explosion-proof tire anti-leak valve of a motor vehicle.

Background technique

When a motor vehicle is driving on a highway, once the tire of the motor vehicle bursts, the motor vehicle is prone to a partial tire failure, causing the motor vehicle to run out of control and causing a traffic accident. A method of using an explosion-proof tire anti-leak valve has been completed. The need to prevent traffic accidents.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art and to provide a method for using an explosion-proof tire anti-leak valve for preventing or reducing the occurrence of a traffic accident.

The technical solution adopted by the invention is that the explosion-proof tire comprises a rim, a tire tube, an inner tube and an anti-leak valve, and the anti-leak valve comprises a first anti-leak valve and a second anti-leak valve, the outer tube is connected with the rim, and the inner tube is located outside The inner tube is provided with a plurality of inner tubes, the inner tube includes a first inner tube and a second inner tube, the first anti-leak valve is disposed on the first inner tube, the first anti-leak valve is sealingly connected with the first inner tube, and the second anti-leak valve is disposed at On the second inner tube, the second anti-leak valve is sealingly connected with the second inner tube; the first anti-leak valve is composed of the first one-way valve and the first gas-closing valve, the outlet of the first one-way valve and the first gas-closing valve The inlet is connected, the inlet of the first check valve is the first intake port of the first anti-leak valve, the outlet of the first shut-off valve is the first air outlet of the first anti-leak valve; the first of the first anti-leak valve The air inlet is located in the casing cavity of the tire casing, the first air outlet of the first anti-leak valve is located in the first cavity of the first inner tube; the second anti-leak valve is composed of the second check valve and the second air closing valve The outlet of the second check valve is in communication with the inlet of the second shut-off valve, and the inlet of the second check valve is the second of the second leak-proof valve a gas outlet, the outlet of the second shut-off valve is a second air outlet of the second anti-leak valve; the second air inlet of the second anti-leak valve is located in the first cavity of the first inner tube, and the second anti-leak valve The second air outlet is located in the second cavity of the second inner tube; the first one-way valve is turned in the direction of the first cavity of the first inner tube from the outer cavity of the outer tube, and is not conductive in the opposite direction; the second one-way The direction in which the valve is turned on is directed from the first cavity of the first inner tube to the second cavity of the second inner tube, and is not conductive in the opposite direction; the first air closing valve is provided with a first driving rod, and the first driving rod is first The driving head is located in the tire casing, the first driving head is directed to the tread base of the tire casing; the second air closing valve is provided with the second driving rod, and the second driving head of the second driving rod is located in the second inner tube; the first anti-leak valve Center line and second defense The center line of the leak valve is the same; in order to prevent the first inner tube from being pierced by the metal weapon, a first space is left between the outer tube and the first inner tube, so that a second space is left between the first inner tube and the second inner tube, first The inner tube is provided with a first outer support column and a first inner support column, the first outer support column and the first inner support column are fixedly connected with the first inner tube, and the first outer support column is located between the first inner tube and the outer tube 2, first The inner support column is located between the first inner tube and the rim; the second inner tube is provided with a second outer support column and a second inner support column, the second outer support column and the second inner support column are fixedly connected with the second inner tube, and the second The outer support column and the second inner support column are located between the first inner tube and the second inner tube; when the outer tube loses pressure, the first anti-leak valve is closed by the first air-closing valve, and the first inner tube is used to support the motor vehicle; the first inner tube is lost When pressing, the second anti-leak valve is closed by the second air-closing valve, and the second inner tube is used to support the motor vehicle.

The use of the explosion-proof tire is: when the inner tube is manufactured, the second inner tube is installed in the first inner tube; when the outer tire is installed, the inner tube is first installed in the outer tube, then the outer tube is mounted on the rim, and then the rim and the motor vehicle are mounted. The wheel axle is connected; in use, the compressed air source device is used to inflate the tire cavity of the outer tire through the nozzle of the rim, and the first anti-leak valve of the first inner tube when the air pressure in the tire cavity reaches the set air pressure The first one-way valve is opened, and the compressed air enters the first cavity of the first inner tube through the first air inlet through the first one-way valve, and when the air pressure in the first cavity reaches the set air pressure, the second The second one-way valve of the inner tube is opened, and the compressed air enters the second cavity of the second inner tube through the second one-way valve through the second one-way valve; the air pressure of the outer tube cavity, the first cavity and the second cavity When the upper limit of inflation is reached, the compressed air source device automatically stops inflating, and the gas nozzle, the first check valve and the second check valve are closed, and the compressed air is enclosed in the tire cavity, the first cavity and the second cavity; During the driving process, when the tire is being used When wearing, the tire cavity loses pressure, the first check valve is in the closed state; when the tire loses pressure, the tire tire is pressed to the first driving head, and the first driving head closes the first closing valve through the first driving rod, so that The inner tube maintains the original charging state, the first inner tube contacts the outer tube through the first outer support column, and the first inner tube contacts the rim through the first inner support column, and the explosion-proof tire supports the motor vehicle through the first inner tube to make the outer tire The change of the diameter is controlled within a set range; when the tire casing and the first inner tube are pierced by the sharpener, the tire cavity and the first inner tube lose pressure, the tire tube is pressed to the first driving head, and the first driving head passes the first driving rod Closing the first shut-off valve, the first anti-leak valve is closed; the first anti-leak valve on the first inner tube is pressed to the second drive head of the second air-closing valve, and the second drive head is closed to the second switch by the second drive rod The air valve, the second anti-leak valve is closed, the second inner tube maintains the original charging state; the second inner tube is in contact with the first inner tube through the second outer support column and the second inner support column, and the first inner tube passes the first outer support The column is in contact with the tire casing, and the first inner tube passes through the first Contacting the rim and the support column, a second outer tube through a second support column, a second inner support column, a first outer The support column and the first inner support column support the tire casing, so that the change of the outer diameter of the tire casing is controlled within a set range, thereby preventing or reducing the occurrence of a puncture accident.

The anti-leak valve of the explosion-proof tire includes a first anti-leak valve and a second anti-leak valve. The first anti-leak valve is composed of an integral first check valve and a first air-closing valve, and the second anti-leak valve is integrated. The second check valve is composed of a second shut-off valve; the first anti-leak valve includes a first air inlet, a first air outlet, a first driving rod, a first valve body, a first outer valve core, and a first upper valve a spring, a first driving disc, a first inner valve core and a first lower spring; the first valve body is provided with a first sealing passage, the first sealing passage is provided with a first upper sealing opening and a first lower sealing opening; The valve core and the first upper spring are located in the first sealing passage, and the first outer valve core is dynamically coupled with the first upper sealing port of the first sealing passage, and the lower end of the first outer valve core is connected with the first upper spring, first The upper end of the outer valve core is connected to the first driving plate, the first driving plate is located above the first air inlet, the first air inlet is connected with the first sealing channel; the first outer valve core is provided with the first inner sealing channel, An inner valve core passes through the first inner sealing passage, and the first inner valve core is mechanically coupled with the first inner sealing passage, the first inner valve The first inner valve core is connected to the first driving rod, the lower end of the first inner valve core is connected to the first lower spring, and the first lower spring is installed in the first sealing passage; The initial state of the first outer valve core is that the first outer valve core is sealingly connected with the first upper sealing port of the first sealing passage, the first upper spring is in a compressed state, and the first inner valve core and the first lower sealing port are a gap is provided, the first lower spring is in an uncompressed state; the second anti-leak valve includes a second air inlet, a second air outlet, a second driving rod, a second valve body, a second outer valve core, and a second An upper spring, a second driving disc, a second inner valve core and a second lower spring; the second valve body is provided with a second sealing passage, the second sealing passage is provided with a second upper sealing opening and a second lower sealing opening, and second The upper sealing port is in communication with the second lower sealing port; the second outer valve core and the second upper spring are located in the second sealing passage, and the second outer valve core is in dynamic cooperation with the second upper sealing opening of the second sealing passage, second The lower end of the outer spool is connected to the second upper spring, and the second outer spool is at the upper end and the second The movable plate is connected, the second driving plate is located above the second air inlet, the second air inlet is connected to the second sealing channel; the second outer valve core is provided with the second inner sealing channel, and the second inner valve core passes through the a second inner sealing channel, the second inner valve core is mechanically coupled with the second inner sealing passage, the second inner valve core is dynamically coupled with the second lower sealing port, and the upper end of the second inner valve core is connected with the second driving rod, The lower end of the inner valve core is connected to the second lower spring, and the second lower spring is installed in the second sealing passage; the initial state of the second outer valve core is: the second upper seal of the second outer valve core and the second sealing passage The second upper spring is in a compressed state, a gap is provided between the second inner valve core and the second lower sealing port, and the second lower spring is in an uncompressed state; the first valve body is sealingly connected with the first inner tube, The second valve body and the second inner tube are dense The seal is connected; the inlet of the first check valve and the first drive disc are located in the casing cavity of the tire casing, the inlet of the second check valve and the second drive disc are located in the first cavity of the first inner tube.

The use method of the explosion-proof tire anti-leak valve is: when using, the compressed air source device is used to inflate the tire through the nozzle of the rim, and when the filling of the tire reaches the set pressure, the compressed air in the tire acts on the first leakage prevention. The first driving disk of the first check valve of the valve causes the first outer valve core to receive a driving force greater than the elastic force of the first upper spring applied to the first outer valve core to move the first outer valve core toward the opening direction, An air guiding gap is formed between the first outer valve core and the first upper sealing port, and the first outer valve core opens the first one-way valve against the elastic force of the first upper spring, and at the same time, the first air-closing valve is at the first thereof The spring is in an open state; after the first check valve is opened, the compressed air in the tire enters from the first air inlet of the first check valve, and the compressed air of the tire passes through the first check valve and the first air shutoff The valve enters into the first inner tube; when the pressure of the first inner tube reaches the set pressure, the compressed air in the first inner tube acts on the second driving plate of the second one-way valve of the second anti-leak valve, so that the second The outer spool receives a greater driving force than the second upper spring applies to the second The elastic force of the spool moves the second outer valve core toward the opening direction, so that an air guiding gap occurs between the second outer valve core and the second upper sealing port of the second sealing passage, and the second outer valve core overcomes the second upper portion The elastic force of the spring opens the second one-way valve, and at the same time, the second air-closing valve is in an open state under the action of the second lower spring; after the second one-way valve is opened, the compressed air in the first inner tube is replaced by the second one-way The second air inlet of the valve enters, the compressed air of the first inner tube enters the second inner tube through the second one-way valve and the second air-closing valve; when the pressure of the second inner tube reaches the set pressure, the second one-way The valve is reset and closed under the action of the second upper spring force, and the first one-way valve is reset and closed under the action of the first upper spring force; when the tire casing is pierced by the weapon, the first check valve is closed, and the tire loses pressure Instantly, the tire casing is pressed to the first driving head, and the first driving head drives the first inner valve core to move in the closing direction by the first driving rod against the elastic force of the first lower spring, and closes the first closing air valve to make the first inner tube Maintain the original charging state; the first inner tube passes the first outer The brace is in contact with the tire, the first inner tube is in contact with the rim through the first inner support column, and the first inner tube is used to support the motor vehicle; when the outer tire and the first inner tube are plucked by the sharp device, the second check valve is closed, At the moment when the inner tube loses pressure, the first leakage preventing valve on the first inner tube is pressed to the second driving head of the second closing valve, and the second driving head drives the second inner portion by the second driving rod against the elastic force of the second lower spring The spool moves in a closing direction, closing the second closing valve to maintain the second inner tube in a pressurized state; the second inner tube is in contact with the first inner tube through the second outer supporting column and the second inner supporting column, and the first inner tube passes The first outer support column is in contact with the tire casing, the first inner tube is in contact with the rim through the first inner support column, and the second inner tube passes through the second outer support column, the second inner support column, the first outer support column and the first inner support column Branch Supporting the tire, using the second inner tube to support the motor vehicle to prevent or reduce the occurrence of traffic accidents.

The utility model has the beneficial effects that the explosion-proof tire comprises a rim, a tire tube, an inner tube and an anti-leak valve, and the anti-leak valve of the explosion-proof tire comprises a first anti-leak valve and a second anti-leak valve; the first anti-leak valve includes a first a one-way valve and a first shut-off valve, the second anti-leak valve includes a second check valve and a second shut-off valve; when the tire casing is inflated, the first inner tube is inflated through the first anti-leak valve, and the second inner tube passes through the first The second anti-leak valve is inflated; the first anti-leak valve is provided with a first driving rod, and the second anti-leak valve is provided with a second driving rod; when the tire is pinched and lost by pressure, the first driving rod is used to close the first closing air a valve, using the first one-way valve and the first gas-closing valve to close the first anti-leak valve, the first inner tube is maintained in a state of being pressurized, the first inner tube supports the tire through the first outer support column and the first inner support column; When the first inner tube is smashed and lost pressure by the sharpener, the second air-closing valve is closed by the second driving rod, the second air-proof valve is closed by the second one-way valve and the second air-closing valve, and the second inner tube is maintained at the charging State, the second inner tube passes through the first outer support column, the first inner support column, and the second outer support The second support column supporting the tire, to avoid or reduce the occurrence of accidents bias tire.

DRAWINGS

Figure 1 is a schematic structural view of an explosion-proof tire;

2 is a schematic structural view of a leakproof valve.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic structural view of the explosion-proof tire shown in FIG. 1 and a schematic structural view of the anti-leak valve shown in FIG. 2. The explosion-proof tire includes a rim 1, a tire 2, an inner tube 3, and a leak-proof valve 4, and the anti-leak valve 4 includes a first The leakage preventing valve 5 and the second leakage preventing valve 6, the tire casing 2 is connected to the rim 1, the inner tube 3 is located in the tire casing 2, the inner tube 3 is provided in plurality, and the inner tube 3 comprises a first inner tube 7 and a second inner tube 8, first The anti-leak valve 5 is disposed on the first inner tube 7, the first anti-leak valve 5 is sealingly connected with the first inner tube 7, the second anti-leak valve 6 is disposed on the second inner tube 8, the second anti-leak valve 6 and the second inner tube 8 sealing connection; the first anti-leak valve 5 is composed of a first one-way valve 9 and a first gas-closing valve 10, the outlet of the first one-way valve 9 is in communication with the inlet of the first gas-closing valve 10, the first one-way valve The inlet of 9 is the first intake port 11 of the first anti-leak valve 5, the outlet of the first shut-off valve 10 is the first air outlet 12 of the first anti-leak valve 5; the first intake of the first anti-leak valve 5 The port 11 is located in the casing cavity 13 of the casing 2, the first outlet 12 of the first anti-leak valve 5 is located in the first cavity 14 of the first inner tube 7, and the second anti-leak valve 6 is provided by the second check valve. 15 and the second closing valve 16, the first The outlet of the two check valve 15 is in communication with the inlet of the second shutoff valve 16, and the inlet of the second check valve 15 is the second intake port 17 of the second leakproof valve 6, The outlet of the second shut-off valve 16 is the second air outlet 18 of the second anti-leak valve 6; the second air inlet 17 of the second anti-leak valve 6 is located in the first cavity 14 of the first inner tube 7, second The second air outlet 18 of the anti-leak valve 6 is located in the second cavity 19 of the second inner tube 8; the first check valve 9 is turned on in the direction of the first inner tube 7 of the tire casing 13 of the tire 2 The cavity 14 is not conductive in the opposite direction; the second check valve 15 is turned in the direction from the first cavity 11 of the first inner tube 7 to the second cavity 19 of the second inner tube 8, and is not conductive in the opposite direction; The first air-closing valve 10 is provided with a first driving rod 20, the first driving head 21 of the first driving rod 20 is located in the casing 2, the first driving head 21 is directed to the tread base 22 of the casing 2; the second closing valve 16 a second driving rod 23 is disposed, and the second driving head 24 of the second driving rod 23 is located in the second inner tube 8; the center line of the first anti-leak valve 5 is the same as the center line of the second anti-leak valve 6; An inner tube 7 is pierced by a metal weapon, so that a first space 25 is left between the outer tube 2 and the first inner tube 7, so that a second space 26 is left between the first inner tube 7 and the second inner tube 8, and the first inner tube 7 is provided. There is a first outer support column 27 And the first inner support column 28, the first outer support column 27 and the first inner support column 28 are fixedly connected with the first inner tube 7, and the first outer support column 27 is located between the first inner tube 7 and the outer tube 2, the first inner portion The support column 28 is located between the first inner tube 7 and the rim 1; the second inner tube 8 is provided with a second outer support column 29 and a second inner support column 30, a second outer support column 29 and a second inner support column 30 and The inner tube 8 is fixedly connected, the second outer support column 29 and the second inner support column 30 are located between the first inner tube 7 and the second inner tube 8; when the outer tube loses pressure, the first air lock valve 10 is used to close the first anti-leak valve 5, the first inner tube 7 is used to support the motor vehicle; when the first inner tube 7 is out of pressure, the second anti-leak valve 6 is closed by the second air-closing valve 16, and the second inner tube 8 is used to support the motor vehicle.

In order to implement the tire pressure loss, the first air leakage valve 10 is closed by the first air-closing valve 10, the first inner tube 7 is used to support the motor vehicle; and when the first inner tube 7 is out of pressure, the second air-closing valve 16 is used to close the second The anti-leak valve 6 supports the motor vehicle by the second inner tube 8; the first inner tube 7 is an annular sealed inner tube, the first inner tube 7 surrounds the outer tube cavity 13 of the outer tube 2; the second inner tube 8 is an annular sealed inner tube, the first inner tube 8 The inner tube 8 surrounds the first cavity 14 of the first inner tube 7; the first air inlet 11 of the first anti-leak valve 5 faces the tread base 22 of the tire casing 2, and the first driving rod of the first air-closing valve 10 The first driving head 21 of the tire 20 is located opposite the airtight layer 80 of the tire casing 2, and a gap is left between the first driving head 21 and the dense gas layer 80 of the tire casing 2 to prevent the tire casing 2 from being in a non-pressure-loss state and the first driving head. 21 contact; the second intake port 17 of the second anti-leak valve 6 faces the first air outlet 12 of the first anti-leak valve 5, and the second drive head 24 of the second drive rod 23 of the second check valve 15 is located at the second Opposite the first air outlet 12 of the anti-leak valve 5, a gap is left between the second driving head 24 and the first air outlet 12 to prevent the first inner tube 7 from being in a non-pressure-loss state. Contacting the second drive head 24; a second drive shaft 23 The axis of the second drive head 24 is the same as the axis of the first drive head 21 of the first drive rod 20.

In order to support the use of the first inner tube 7 and the second inner tube 8 to support the motor vehicle, the first outer support column 27 is provided with a plurality of, and the plurality of first outer support columns 27 are evenly distributed on the first inner tube 7, a plurality of The center line of an outer support column 27 is on the same plane, and the center lines of the adjacent two first outer support columns 27 form the same central angle, the angle of the central angle is 22.5°, and the plurality of first outer support columns 27 Uniformly disposed between the first inner tube 7 and the outer tube 8; the first inner support column 28 is provided in plurality, and the plurality of first inner support columns 28 are evenly distributed on the first inner tube 7, and the plurality of first inner support columns 28 are The center line is on the same plane, and the center lines of the adjacent two first inner support columns 28 form the same central angle, the angle of the central angle is 22.5°, and the plurality of first inner support columns 28 are evenly distributed on the first inner tube. 7 and the rim 1; the second outer support column 29 and the second inner support column 30 are provided in plurality, and the plurality of second outer support columns 29 and the plurality of second inner support columns 30 are evenly distributed on the first inner tube 7 Between the second inner tube 8 and the first inner tube 8; the first anti-leak valve 5 is located between the two first outer support columns 27.

The first inner tube 7 is provided with a first left support column 31 and a first right support column 32. The first left support column 31 is located between the left sidewall 33 of the tire casing 2 and the first inner tube 7, and the first right support column 32 is located between the right sidewall 34 of the tire casing 2 and the first inner tube 7; the second inner tube 8 is provided with a second left support column 35 and a second right support column 36, a second left support column 35 and a second right support column 36 Located between the first inner tube 7 and the second inner tube 8. The center line of the second left support column 35 is the same as the center line of the first left support column 31, and the center line of the second right support column 36 is the same as the center line of the first right support column 32; the second left support column The number of 35 is the same as the number of the first left support columns 31, the number of the second right support columns 36 is the same as the number of the first right support columns 32; the first leakage prevention valve 5 is located at the adjacent two first outer support columns Between 27, the second anti-leak valve 6 is located between the adjacent two second outer support columns 29. The first outer support column 27 of the first inner tube 7 is in contact with the tire casing 2, the first inner support column 28 is in contact with the rim 1, the second outer support column 29 of the second inner tube 8 and the second inner support column 30 and the first inner tube 7 contact; the first outer support column 27, the first inner support column 28, the second outer support column 29, and the second inner support column 30 are made of rubber; the first outer support column 27 and the first inner support column 28 and the first The inner tube 7 is bonded together with an adhesive, and the second outer support post 29 and the second inner support post 30 are bonded to the second inner tube 8 with an adhesive.

After the explosion-proof tire is inflated, the tire cavity 13 of the tire casing 2, the first cavity 14 of the first inner tube 7, and the second cavity 19 of the second inner tube 5 are filled with compressed air, and the pressure of the compressed air is maintained at a set pressure. Within the range; the compressed air is set to a pressure range of 190kpa to 350kpa.

In order to connect the tire casing 2, the first inner tube 7 and the second inner tube 8 together, the rim 1 is provided The inner groove 2, the outer tube 2 is provided with an outer groove 38, the first inner tube 7 is provided with a second inner groove 39 and a second outer groove 40; the first outer support column 27 of the first inner tube 7 is outside the outer tube 2 The grooves 38 are connected, the first inner support column 28 of the first inner tube 7 is connected to the inner groove 37 of the rim 1; the second outer support column 29 of the second inner tube 8 and the second outer groove 40 of the first inner tube 7 are Connected, the second inner support post 30 of the second inner tube 8 is connected to the second inner groove 39 of the first inner tube 7; the inner groove 37 of the rim 1 and the rim 1 are composed of an integral material, the first inner tube 7 The second inner groove 39 and the second outer groove 40 are made of rubber, and the second inner groove 39 and the second outer groove 40 are bonded to the first inner tube 7 with an adhesive.

In order to improve the connection strength of the outer tube 2, the first inner tube 7 and the second inner tube 8, the first outer support column 27 of the first inner tube 7 is embedded in the outer groove 38 of the outer tube 2, and the volume of the first outer support column 27 is larger than the outer concave portion. The volume of the groove 38, the first outer support column 27 is interference fit with the outer groove 38; the first inner support column 28 of the first inner tube 5 is embedded in the inner groove 37 of the rim 1, the volume of the first inner support column 28 Larger than the volume of the inner groove 37, the first inner support post 28 is interference fit with the inner groove 37; the second outer support post 29 of the second inner tube 8 is embedded in the second outer groove 40 of the first inner tube 7, second The volume of the outer support column 29 is larger than the volume of the second outer groove 40, the second outer support column 29 is interference fit with the second outer groove 40; the second inner support column 30 of the second inner tube 8 is embedded in the first inner tube 7 In the second inner groove 39, the volume of the second inner support column 30 is larger than the volume of the second inner groove 39, and the second inner support column 30 is interference fit with the second inner groove 39. The inner groove 37, the outer groove 38, the second inner groove 39, and the second outer groove 40 are provided in plurality; the number of the first inner support columns 28 is the same as the number of the inner grooves 37, and the first outer support column The number of 27 is the same as the number of the outer grooves 38, the number of the second outer support columns 29 is the same as the number of the second outer grooves 40, and the number of the second inner support columns 30 is the same as the number of the second inner grooves 39.

The use of the explosion-proof tire is: when the inner tube 3 is manufactured, the second inner tube 8 is installed in the first inner tube 7; when the outer tube 2 is installed, the inner tube 3 is first installed in the outer tube 2, and then the outer tube 2 is mounted on the rim 1 Then, the rim 1 is connected to the wheel axle of the motor vehicle; in use, the casing 104 of the outer tire 2 is inflated through the air nozzle 41 of the rim 1 by means of a compressed air source device, and the air pressure in the casing cavity 13 is set. At a predetermined air pressure, the first check valve 9 of the first anti-leak valve 5 of the first inner tube 7 is opened, and the compressed air enters the first first check valve 9 through the first air inlet 11 to the first inner tube 7 The cavity 14, when the air pressure in the first cavity 14 reaches the set air pressure, the second one-way valve 15 of the second inner tube 8 is opened, and the compressed air is introduced by the second one-way valve 15 through the second air-closing valve 16 To the second cavity 19 of the second inner tube 8; when the tire cavity 13, the first cavity 14, and the second cavity 19 When the air pressure reaches the upper limit of inflation, the compressed air source device automatically stops inflating, and the air nozzle 31, the first check valve 9 and the second check valve 15 are closed, and the compressed air is enclosed in the tire cavity 13, the first cavity 14 and In the second cavity 19; during the running of the motor vehicle, when the tire casing 2 is pierced by the sharpener, the tire cavity 13 loses pressure, the first check valve 9 is in the closed state; the tire loses pressure at the moment, the tire 2 pressure To the first driving head 21, the first driving head 21 closes the first closing valve 10 through the first driving rod 20, so that the first inner tube 7 maintains the original charging state, and the first inner tube 7 passes through the first outer supporting column 27. In contact with the casing 2, the first inner tube 7 is in contact with the rim 1 through the first inner support column 28, and the explosion-proof tire supports the motor vehicle through the first inner tube 7, so that the outer diameter of the outer tube 2 is controlled within a set range; 2, when the first inner tube 7 is pierced by the sharpener, the outer tube cavity 13 and the first inner tube 7 lose pressure, the outer tube 2 is pressed to the first driving head 21, and the first driving head 21 is closed by the first driving rod 20 to close the first gas. The valve 10, the first anti-leak valve 5 is closed; the first anti-leak valve 5 on the first inner tube 7 is pressed to the second closing valve The second driving head 24 of the 16th, the second driving head 24 closes the second closing valve 16 through the second driving rod 23, the second anti-leak valve 6 is closed, and the second inner tube 8 maintains the original charging state; the second inner tube 8 is in contact with the first inner tube 7 through the second outer support column 29 and the second inner support column 30, the first inner tube 7 is in contact with the tire casing 2 through the first outer support column 27, and the first inner tube 7 passes through the first inner support column 28 and The rim 1 is in contact, and the second inner tube 8 supports the tire casing 2 through the second outer support column 29, the second inner support column 30, the first outer support column 27 and the first inner support column 28, so that the change of the outer diameter of the outer tube 2 is controlled at Within the set range, to prevent or reduce the occurrence of a puncture accident, the change in the outer diameter of the tire casing 2 is set in the range of 5 mm to 15 mm.

In order to carry out the pressure loss of the tire casing 2, the first inner tube 7 is used to support the motor vehicle. The first outer support column 27 is provided in plurality, and the first inner support column 28 is provided in plurality, and each of the first outer support columns 27 has the same height. The height of each of the first inner support columns 28 is the same, the axis of the first inner tube 7 after inflation is the same as the axis of the rim 1 and the axis of the tire 2; the height of each second outer support column 29 is the same, each second inner The height of the support column 30 is the same, the axis of the second inner tube 8 after inflation is the same as the axis of the rim 1 and the axis of the tire casing 2; the center line of the first anti-leak valve 5 and the second anti-leak valve 6 and a plurality of first The axis of the outer support column 27 is not in the same plane; when the tire casing 2 and the first inner tube 7 are not depressurized, the first driving head 21 of the first anti-leak valve 5 is kept at a distance from the tire casing 2; The position of the casing 2 between the adjacent first outer support columns 27 loses support, and the casing 2 at this position forms a depression when it contacts the ground, and the casing 2 of the recessed position is pressed to the first drive of the first anti-leak valve 5 opposite thereto. The first driving head 21 drives the first driving head 21 to close the first air closing valve 10, using the first single A first valve 9 is closed and the valve 10 closes the first anti-leak valve 5, so The first inner tube 7 is maintained within the range of normal air pressure.

When the tire casing 2 and the first inner tube 7 are in the set pressure range, the first inner tube 7 is connected to the outer groove 38 of the casing 2 through a plurality of first outer support columns 27 on the same plane, and the outer tube 2 is concave. The groove 38 is coupled to the tread base 31 of the casing 2, and the first inner tube 7 is coupled to the inner groove 37 of the rim 1 by a plurality of first inner support posts 28 of the same plane.

When the tire casing 2 loses pressure, the first inner tube 7 is maintained in a state of being pressurized, and the first inner tube 7 is connected to the outer groove 38 of the tire casing 2 through a plurality of first outer support columns 27 of the same plane, and the outer groove of the tire casing 2 38 is coupled to the tread base 31 of the casing 2, and the first inner tube 7 is coupled to the inner groove 37 of the rim 1 by a plurality of first inner support columns 28 of the same plane; with the first outer support column 27 The first inner support post 28, the inner recess 37 and the outer recess 38 connect the first inner tube 7 and the outer tube 2 together, so that the outer tube 2 and the plurality of first outer support columns 27 and the plurality of entities are first The inner support column 28 constitutes a solid wheel structure that supports the motor vehicle with the first inner tube 7 and the solid wheel structure. When the tire casing 2 loses pressure, the air pressure of the first inner tube 7 is maintained at a set pressure range, and the first inner tube 7 is maintained in a state of being coaxially connected to the rim 1 and the tire casing 2.

In order to carry out the pressure loss of the tire casing 2 and the first inner tube 7, the second inner tube 8 is used to support the motor vehicle. During the running of the motor vehicle, after the tire casing 2 and the first inner tube 7 are depressurized, the adjacent first outer support column 27 The position of the casing 2 between the two is lost, and the casing 2 at this position is in contact with the ground, and the casing 2 is pressed against the first leakage preventing valve 5 opposite thereto, and the first inner tube 7 at the position of the first leakage preventing valve 5 Pressing the second drive head 24 of the second shut-off valve 16 opposite thereto, the second drive head 24 closes the second shut-off valve 16 by the second drive rod 23, and utilizes the second shut-off valve 16 and the second check valve 15 closing the second anti-leak valve 6, the second inner tube 8 is maintained in the original charging state, and the second outer supporting column 29 of the second inner tube 8 is connected with the first outer supporting column 27 of the first inner tube 7, the first outer support The column 27 is connected to the casing 2; the second inner support column 30 of the second inner tube 8 is connected to the first inner support column 28 of the first inner tube 7, the first inner support column 28 is connected to the rim 1, and the explosion-proof tire passes through the second inner tube 8 supporting the motor vehicle, so that the outer diameter of the tire casing 2 does not follow the pressure loss of the tire casing 2 and the first inner tube 7 and becomes less and less, reducing or Avoid traffic accidents tire 2 depression.

When the tire casing 2, the first inner tube 7 and the second inner tube 8 are maintained in a pressurized state, the second inner tube 8 is connected to the second outer groove 40 of the first inner tube 7 through a plurality of second outer support columns 29; The inner tube 8 is joined to the second inner groove 39 of the first inner tube 7 by a plurality of second inner support columns 30. When the tire casing 2 and the first inner tube 7 are out of pressure, the second inner tube 8 is maintained in a pressurized state, and the second inner tube 8 is connected to the second outer groove 40 of the first inner tube 7 through a plurality of second outer support columns 29 The second inner tube 8 is coupled to the second inner groove 39 of the first inner tube 7 by a plurality of second inner support columns 30; the second inner tube 8 is maintained in a state of being coaxially connected with the rim 1 and the tire casing 2; The first inner tube 7 and the outer tube 2 are connected together by the first outer support column 27, the first inner support column 28, the inner groove 37 and the outer groove 38; the second outer support column 29 and the second inner support column 30 are utilized The second outer groove 40 and the second inner groove 39 connect the first inner tube 7 and the second inner tube 8 together.

In order to fix the first inner tube 7 in the tire casing 2 and to fix the first inner tube 7 in the second inner tube 8, the first inner tube 7 is first left after the outer tube 2, the first inner tube 7 and the second inner tube 7 are pressurized. The support post 31 is in contact with the left inner side of the casing 2, the first right support post 32 of the first inner tube 7 is in contact with the right inner side of the casing 2; the second left support post 35 of the second inner tube 8 is in contact with the left inner side of the first inner tube 7 The second right support post 36 of the second inner tube 8 is in contact with the right inner side of the first inner tube 7; the first left support post 32, the second left support post 35, and the second right support post 36 are The tire casing 2, the first inner tube 7 and the second inner tube 8 are tightly joined together.

When the first inner tube 7 and the second inner tube 8 are manufactured, a first process seal is left in the first inner tube 7, and a second process interface is left in the second inner tube 8; the second inner tube 8 is placed on the process seal of the first inner tube 7 Into the first inner tube 7, and the second process interface of the second inner tube 8 is located outside the first process seal of the first inner tube 7, and the second process interface of the second inner tube 8 is closed outside the first process seal, second After the process interface is closed, the second inner tube 8 is placed in the first inner tube 7, and then the first process seal of the first inner tube 7 is closed.

The anti-leak valve of the explosion-proof tire includes a first anti-leak valve 5 and a second anti-leak valve 6, and the first anti-leak valve 5 is composed of an integral first check valve 9 and a first air-closing valve 10, and the second anti-leak valve The leakage valve 6 is composed of an integral second one-way valve 15 and a second air-closing valve 16; the first anti-leak valve 5 includes a first air inlet 11, a first air outlet 12, a first driving rod 20, and a first a valve body 42, a first outer valve core 43, a first upper spring 44, a first drive plate 45, a first inner valve core 46 and a first lower spring 47; the first valve body 42 is provided with a first sealing passage 48, A sealing passage 48 is provided with a first upper sealing opening 49 and a first lower sealing opening 50; the first outer valve core 43 and the first upper spring 44 are located in the first sealing passage 48, the first outer valve core 43 and the first sealing The first upper sealing port 49 of the passage 48 is movably coupled. The lower end of the first outer valve core 43 is connected to the first upper spring 44. The upper end of the first outer valve core 43 is connected to the first driving plate 45, and the first driving plate 45 is located. Above the first air inlet 11, the first air inlet 11 is connected to the first sealing passage 48; the first outer valve core 43 is provided with a first inner sealing passage 51 through which the first inner valve core 46 passes. through 51, a first movable valve member 46 within the first inner seal 51 fit connection passage, a first valve body 46 fitted within the sealing port 50 is connected to the first movable, a first inner spool The upper end of the first inner valve core 46 is connected to the first lower spring 47, and the first lower spring 47 is mounted in the first sealing passage 48; the initial state of the first outer valve core 43 Yes, the first outer valve core 43 is sealingly connected with the first upper sealing port 49 of the first sealing passage 48, the first upper spring 44 is in a compressed state, and the first inner valve core 46 is disposed between the first inner sealing core 50 and the first lower sealing opening 50. There is a gap, the first lower spring 47 is in an uncompressed state; the second anti-leak valve 6 includes a second intake port 17, a second air outlet 18, a second drive rod 23, a second valve body 52, and a second outer valve. a core 53, a second upper spring 54, a second driving plate 55, a second inner valve core 56 and a second lower spring 57; the second valve body 52 is provided with a second sealing passage 58, and the second sealing passage 58 is provided with a second The upper sealing port 59 and the second lower sealing port 60 communicate with the second lower sealing port 59; the second outer valve core 53 and the second upper spring 54 are located in the second sealing passage 58, the second outer The valve core 53 is dynamically coupled with the second upper sealing port 59 of the second sealing passage 58, and the lower end of the second outer valve core 53 is connected to the second upper spring 54, the second outer The upper end of the core 53 is connected to the second driving disc 55, the second driving disc 55 is located above the second air inlet 17, the second air inlet 17 is connected to the second sealing passage 58, and the second outer valve core 53 is provided with the second The inner inner sealing core 61 passes through the second inner sealing passage 61, the second inner valve core 56 is mechanically coupled with the second inner sealing passage 61, and the second inner valve core 56 and the second lower sealing opening 60 The second inner spring 56 has an upper end connected to the second driving rod 23, the second inner spring 56 has a lower end connected to the second lower spring 57, and the second lower spring 57 is mounted in the second sealing passage 58; The initial state of the second outer valve core 53 is that the second outer valve core 53 is sealingly connected with the second upper sealing port 59 of the second sealing passage 58, the second upper spring 54 is in a compressed state, and the second inner valve core 56 is a gap is provided between the second lower sealing ports 60, and the second lower spring 57 is in an uncompressed state; the first valve body 42 is sealingly connected to the first inner tube 7, and the second valve body 52 is sealingly connected to the second inner tube 8; The inlet of the one-way valve 9 and the first drive plate 45 are located in the casing cavity 13 of the casing 2, the inlet of the second check valve 15 and the second drive 55 positioned in the first cavity 7 of the first inner tube 11.

In order to prevent the first outer valve core 43 of the first check valve 9 and the second outer valve core 53 of the second check valve 15 from swinging, the one-way sealing connection of the first check valve 9 and the second check valve 15 is implemented. The sealing performance of the first anti-leak valve 5 and the second anti-leak valve 6 is improved; the first valve body 42 of the first one-way valve 9 is provided with a first guiding sleeve 62, and the first guiding sleeve 62 is provided with a first guiding hole 63 and a first venting hole 74, the first guiding sleeve 62 is disposed on the inlet of the first one-way valve 9, the first outer valve core 43 is provided with a first guiding column 64, the first driving plate 45 and the first outer valve core The first guide post 64 of the first guide post 64 is connected with the first guide hole 63 of the first guide sleeve 62. The shape of the cavity of the first upper seal port 49 is a truncated cone. In the body shape, the first outer valve body 43 is provided with a first upper circular table body 65. The taper direction of the first upper circular table body 65 is the same as the taper direction of the first upper sealing port 49; the first upper circular table body of the first outer valve body 43 65 is mechanically coupled to the first upper sealing port 49; the second valve body 52 of the second one-way valve 15 is provided with a second guiding sleeve 68, and the second guiding sleeve 68 is provided with a second guiding hole 69 and a second ventilation hole 75. The second guide sleeve 69 is disposed on the inlet of the second one-way valve 15, the second outer valve core 53 is provided with the second guide post 70, the second drive plate 55 and the second guide post 70 of the second outer valve core 53 The second guide post 70 is dynamically coupled with the second guide hole 69 of the second guide sleeve 68; the cavity shape of the second upper seal port 59 is a truncated cone shape, and the second outer valve core 53 is provided with a second upper truncated cone body. 71. The taper direction of the second upper trough body 71 is the same as the taper direction of the second upper seal port 59; the second upper truncated cone body 71 of the second outer valve body 53 is movably coupled to the second upper seal port 59.

The taper direction of the first upper circular base 65 of the first outer valve core 43 faces upward, the taper shape of the first upper seal port 49 has a taper direction upward, and the first upper round table of the first outer valve core 43 The shape of the body 65 is the same as the shape of the trough body cavity of the first upper sealing port 49, the first upper circular body 65 of the first outer valve core 43 is sealingly connected with the first upper sealing port 49; the second outer valve core 53 is The taper direction of the second upper trough body 71 faces upward, the taper direction of the second upper seal port 59 faces upward, and the shape of the second upper truncated cone 71 of the second outer valve core 53 and the second upper seal port The shape of the trough body cavity of 59 is the same, and the second upper truncated cone body 71 of the second outer valve body 53 is sealingly connected to the second upper sealing port 59.

In order to improve the sealing performance of the first anti-leak valve 5, the first air-closing valve 10 is turned on and off, and the first inner sealing passage 51 of the first outer valve core 43 is disposed in the first guiding column 64, the first inner portion The sealing passage 51 is provided with a first inner sealing member 66. The first driving rod 20 of the first closing valve 10 is movably coupled with the first inner sealing member 66. The first driving rod 20 of the first closing valve 10 is first and second. The inner sealing member 66 is sealingly connected; the shape of the first lower sealing opening 50 of the first sealing passage 48 is a truncated cone shape, and the first inner valve core 46 is provided with a first lower abutting body 67, and the shape of the first lower abutting body 67 The shape of the trough body cavity of the first lower sealing port 50 is the same, and the first lower body 67 of the first inner valve core 46 is movably coupled with the first lower sealing port 50 of the first sealing passage 48.

In order to improve the sealing performance of the second anti-leak valve 6, the second closing valve 16 is turned on and off, wherein the second sealing passage 58 of the second outer valve core 53 is disposed on the second guiding post. 70, the second sealing passage 58 is provided with a second inner seal 72, the second driving rod 23 of the second closing valve 16 is movably coupled with the second inner sealing member 72, and the second driving rod of the second closing valve 16 23 is sealingly connected to the second inner seal 72; the second lower seal 60 of the second seal passage 58 is of the type The shape of the cavity is a truncated cone shape, the second inner valve core 56 is provided with a second lower abutment body 73, and the shape of the second lower abutment body 73 is the same as the shape of the truncated cone shaped cavity of the second lower sealing opening 60, and the second inner valve core 56 is The second lower body 7 is in dynamic engagement with the second lower sealing port 60 of the second sealing passage 58.

The taper direction of the first lower body 67 of the first inner valve core 46 is the same as the taper direction of the first lower seal opening 50 of the first seal passage 48, and the taper of the first lower stage body 67 and the first lower seal port The taper of 50 is the same; the taper direction of the second lower body 73 of the second inner valve core 56 is the same as the taper direction of the second lower sealing port 60 of the second seal passage 58, the taper of the second lower stage 73 and the second lower seal port The taper of 60 is the same. The taper direction of the first upper circular base 65 of the first outer valve core 43 is opposite to the taper direction of the first lower base 67 of the first inner valve core 46; the second upper circular body of the second outer valve core 53 The taper direction of 71 is opposite to the taper direction of the second lower stage 73 of the second inner spool 56.

In order to implement the reliable closing of the first shut-off valve 10 and the second shut-off valve 16, the first upper bottom surface 76 of the first lower body 67 is connected to the first driving rod 20, and the first lower body 67 is An upper bottom surface 76 is located above the first lower bottom surface 77, and a radius of the first upper bottom surface 76 is greater than a radius of the first lower bottom surface 77; a height of the truncated cone-shaped cavity of the first lower sealing opening 50 of the first sealing passage 48 The height of the lower table body 67 is equal, and the first upper edge 78 of the trough body cavity of the first lower sealing port 50 is provided with a first snap ring 79. The first snap ring 79 is integrally formed with the first valve body 42. The radius of the snap ring 79 is smaller than the radius of the first upper bottom surface 76. The radius of the first snap ring 79 is larger than the radius of the first lower bottom surface 77. The volume of the truncated cone shaped cavity of the first lower sealing opening 50 is smaller than that of the first lower base 67. The volume is to perform a sealing connection between the first lower stage body 67 and the first lower sealing port 50; the second upper bottom surface 81 of the second lower stage body 73 is connected to the second driving rod 23, and the second lower stage body 73 is second. The bottom surface 81 is located above the second lower bottom surface 82, and the radius of the second upper bottom surface 81 is larger than the radius of the second lower bottom surface 82; The height of the truncated cone shaped cavity of the second lower sealing opening 60 of the port 60 is equal to the height of the second lower abutment body 73, and the second upper edge 83 of the truncated cone shaped cavity of the second lower sealing opening 60 is provided with the second snap ring 84. The second snap ring 84 is integrally formed with the second valve body 52. The radius of the second snap ring 84 is smaller than the radius of the second upper bottom surface 81, and the radius of the second snap ring 84 is larger than the radius of the second lower bottom surface 82. The volume of the truncated cone shaped cavity of the sealing port 60 is smaller than the volume of the second lower abutment body 73 to perform a sealed connection between the second lower abutment body 73 and the second lower sealing opening 60.

The first upper spring 44 and the first lower spring 47 are compression springs, the first upper spring 44 is located above the first lower spring 47, and the first upper spring 44 acts on the elastic force direction of the first outer valve core 43 and the first An outer spool 43 is opened in the opposite direction, and the first outer spool 43 is opened downward, The first check valve 9 is closed by the upward elastic force of the first upper spring 44; the first lower spring 47 acts on the elastic force of the first inner valve core 46 in a direction opposite to the direction in which the first outer valve core 43 is closed, the first inner valve core The closing direction of the closing portion 46 is downward, and the first driving rod 20 is driven by the tire casing 2 to drive the first driving rod 20 and the first inner valve core 46 to move downward to close the first closing valve 10.

The second upper spring 54 and the second lower spring 57 are compression springs, the second upper spring 54 is located above the second lower spring 57, and the second upper spring 54 acts on the second outer valve core 53 in the direction of the elastic force. The two outer valve cores 53 are opened in opposite directions, the second outer valve core 53 is opened downward, and the second one-way valve 15 is closed by the upward elastic force of the second upper spring 54; the second lower spring 57 acts on the second inner valve The direction of the elastic force of the core 56 is opposite to the direction in which the second inner valve core 56 is closed, and the direction in which the second inner valve core 56 is closed downward, and the second driving head 24 is driven by the first anti-leak valve 5 on the first inner tube 7. The second drive rod 23 and the second inner valve core 56 move downward to close the second shut-off valve 16.

In order to drive the first outer valve core 43 to be moved by the first driving plate 45, the second outer valve core 53 is driven to move by the second driving plate 55; the first valve body 42 of the first leakage preventing valve 5 is provided with the first driving groove. 87. The first driving disk 45 is located in the first driving slot 87. The center line of the first driving disk 45 is the same as the center line of the first driving slot 87. The first driving disk 45 is dynamically coupled with the first driving slot 87. A gap is left between the driving plate 45 and the first driving groove 87; the second valve body 52 of the second leakage preventing valve 6 is provided with a second driving groove 88, and the second driving plate 55 is located in the second driving groove 88, The center line of the second driving plate 55 is the same as the center line of the second driving groove 88. The second driving plate 55 is dynamically coupled with the second driving groove 88, and a gap is left between the second driving plate 55 and the second driving groove 88.

The first valve body 42, the first outer valve body 43, the first inner valve body 46, the second valve body 52, the second outer valve body 53, and the second inner valve body 56 are made of rubber.

The use method of the explosion-proof tire anti-leak valve is: when in use, the compressed air source device is used to inflate the outer tire 2 through the air nozzle 41 of the rim 1 , and when the tire casing 2 is pressurized to a set pressure, the compressed air in the tire casing 2 acts. The first driving disc 45 of the first check valve 9 of the first anti-leak valve 5 causes the first outer valve core 43 to receive a driving force greater than the elastic force of the first upper spring 44 applied to the first outer valve core 43. The first outer valve core 43 moves toward the opening direction, so that an air conduction gap occurs between the first outer valve core 43 and the first upper sealing port 49, and the first outer valve core 43 opens the first one against the elastic force of the first upper spring 44. The check valve 9 is simultaneously opened by the first lower spring 47; after the first check valve 9 is opened, the compressed air in the tire casing 2 is closed by the first check valve 9 The first intake port 11 enters, and the compressed air of the tire casing 2 passes through the first check valve 9 and the first shutoff valve 10 Entering into the first inner tube 7; after the pressure of the first inner tube 7 reaches the set pressure, the compressed air in the first inner tube 7 acts on the second driving plate of the second one-way valve 15 of the second anti-leak valve 6. 55, the driving force of the second outer valve core 53 is greater than the elastic force of the second upper spring 54 applied to the second outer valve core 53 to move the second outer valve core 53 in the opening direction, so that the second outer valve core 53 An air conduction gap occurs between the second upper sealing port 59 of the second sealing passage 58, and the second outer valve core 53 opens the second one-way valve 15 against the elastic force of the second upper spring 54, and at the same time, the second closing valve 16 The second lower spring 57 is in an open state; after the second one-way valve 15 is opened, the compressed air in the first inner tube 7 is entered by the second air inlet 17 of the second one-way valve 15, the first inner tube The compressed air of 7 enters the second inner tube 8 via the second one-way valve 15 and the second shut-off valve 16; after the pressure of the second inner tube 8 reaches the set pressure, the second one-way valve 15 is in the second upper spring Under the action of the elastic force of 54, the first check valve 9 is reset and closed under the action of the elastic force of the first upper spring 44; when the tire casing 2 is worn out by the sharp weapon When the first check valve 9 is closed and the tire loses pressure, the tire casing 2 is pressed to the first driving head 21, and the first driving head 21 drives the first inner valve by the first driving rod 20 against the elastic force of the first lower spring 47. The core 46 moves in the closing direction, closing the first closing valve 10 to maintain the first inner tube 7 in the original charging state; the first inner tube 7 is in contact with the casing 2 through the first outer supporting column 27, and the first inner tube 7 passes The first inner support column 28 is in contact with the rim 1 and supports the motor vehicle by the first inner tube 7; when the outer tube 2 and the first inner tube 7 are smashed by the sharpener, the second check valve 15 is closed, and the first outer tube 7 is lost. At the moment of pressure, the first leakage preventing valve 5 on the first inner tube 7 is pressed to the second driving head 24 of the second closing valve 16, and the second driving head 24 overcomes the elastic force of the second lower spring 57 by the second driving rod 23. Driving the second inner valve core 56 to move in the closing direction, closing the second shut-off valve 16 to maintain the second inner tube 7 in the pressurized state; the second inner tube 8 passing through the second outer support column 29 and the second inner support column 30 In contact with the first inner tube 7, the first inner tube 7 is in contact with the casing 2 via the first outer support column 27, and the first inner tube 7 passes through the first inner tube The column 28 is in contact with the rim 1 and the second inner tube 8 supports the casing 2 via the second outer support column 29, the second inner support column 30, the first outer support column 27 and the first inner support column 28, and is supported by the second inner tube 8 Motor vehicles to prevent or reduce the occurrence of traffic accidents.

In order to implement the closing and opening of the first anti-leak valve 5, the axes of the first outer valve core 43 and the first inner valve core 46 are the same as the axes of the first pilot holes 63 of the first guide bush 62, and the first inner valve body 46 The axis of the first driving rod 20 is the same as the axis of the first inner sealing member 66 of the first inner sealing passage 51 of the first outer valve body 43, and the axis of the first driving plate 45 is the same as the axis of the first driving rod 20; An upper spring 44 is identical to the axis of the first lower spring 47, and the first upper spring 44 is sleeved within the first Outside the spool 46.

When the first check valve 9 is not opened, the first upper spring 44 applies an elastic force to the first outer valve core 43 along the axis of the first outer valve core 43 , and the first outer valve core 43 is utilized by the elastic force. An upper circular plate body 65 is sealingly connected with the first upper sealing port 49 of the first valve body 42; when the first one-way valve 9 is opened, the first driving disk 45 drives the first driving rod 20 under the pressure of the compressed air of the tire casing 2 Moving downward along the axis thereof against the elastic force of the first upper spring 44, the first upper circular table body 65 is separated from the first upper sealing port 49, so that a ventilation gap occurs between the first upper circular table body 65 and the first upper sealing port 49, Opening the first check valve 9; when the first shutoff valve 10 is not closed, the first lower spring 47 supports the first inner spool 46 along the axis of the first inner spool 46, so that the first inner spool 46 A venting gap is left between the lower stage 67 and the first lower sealing opening 50 of the first sealing passage 48, so that the first closing valve 10 is in an open state; after the tire 2 is depressurized, the tire 2 is deformed and pressed to the first driving The first driving head 21 drives the first lower stage 67 of the first inner valve core 46 to the lower axis of the first inner sealing passage 51 through the first driving rod 20 Moving, the first lower body 67 is embedded in the trough body cavity of the first lower sealing port 50, and the first lower body 67 is caught in the truncated cone shape of the first lower sealing port 50 by the first snap ring 79. A reliable sealing connection between the first lower stage body 67 and the first lower sealing port 50 is implemented.

In order to implement the first anti-leak valve 5 when inflating, the first air-closing valve 10 is maintained in an on state, wherein when the first driving disc 45 moves downward, the first driving disc 45 drives the first outer The first guide post 64 of the spool 43 moves downward along the first guide hole 63 of the first guide sleeve 62 such that the first inner seal 66 on the first inner seal passage 51 of the first guide post 64 is along the first drive The rod 20 moves downward, and the frictional force of the first inner seal 66 and the first drive rod 20 is smaller than the elastic force of the first lower spring 47, so that the first drive rod 20 does not follow the first inner seal 66 to move downward, so that the first An off air valve 10 is maintained in an open state.

When the casing 2 is inflated, the compressed air of the casing 2 enters from the first vent hole 74 of the first guide sleeve 62, between the first upper circular table body 65 of the first one-way valve 9 and the first upper sealing port 49. The venting gap and the venting gap between the first lower body 67 of the first shut-off valve 10 and the first lower sealing port 50 enter the first inner tube 7.

In order to implement the closing and opening of the second anti-leak valve 6, the axis of the second outer valve core 53 and the second inner valve core 56 is the same as the axis of the second guide hole 69 of the second guide sleeve 68. The axis of the second driving rod 23 of the second inner valve core 56 is the same as the axis of the second inner sealing member 72 of the second inner sealing passage 61 of the second outer valve body 53, the axis of the second driving plate 55 and the The two drive rods 23 have the same axis; the second upper spring 54 is identical to the axis of the second lower spring 57, and the second upper spring 54 is sleeved outside the second inner valve core 56.

When the second check valve 15 is not opened, the second upper spring 54 applies an elastic force to the second outer valve core 53 along the axis of the second outer valve core 53 to utilize the elastic force to make the second outer valve core 53 The second upper circular plate body 71 is sealingly connected with the second upper sealing port 59 of the second valve body 52; when the second one-way valve 15 is opened, the second driving disk 55 drives the second driving under the action of the compressed air pressure of the first inner tube 7. The rod 23 moves downward along its axis against the elastic force of the second upper spring 54, causing the second upper circular table body 71 to move away from the second upper sealing port 59, so that ventilation occurs between the second upper circular table body 59 and the second upper sealing port 59. The gap opens the second check valve 15; when the second shutoff valve 16 is not closed, the second lower spring 57 supports the second inner spool 56 along the axis of the second inner spool 56, so that the second inner spool 56 Between the second lower body 7 and the second lower sealing port 60 of the second sealing passage 58, a venting gap is left, so that the second closing valve 16 is in an open state; after the tire 2 and the first inner tube 8 are depressurized, the first The first inner tube 8 at the position of the anti-leak valve 5 is pressed to the second driving head 24, and the second driving head 24 drives the second second inner valve core 56 through the second driving rod 23. The lower stage body 73 moves downward along the axis of the second inner seal passage 61, so that the second lower stage body 73 is fitted into the truncated cone-shaped cavity of the second lower seal port 60, and the second lower stage body 73 is caught by the second snap ring 84. In the truncated cone-shaped cavity of the second lower sealing port 60, a reliable sealing connection between the second lower abutment body 73 and the second lower sealing port 60 is performed.

In order to perform the inflation of the second anti-leak valve 6, the second valve closing valve 16 is maintained in the conducting state, and when the second driving disc 55 is moved downward, the second driving disc 55 drives the second outer valve core 53. The second guide post 70 moves downward along the second guide hole 69 of the second guide sleeve 68 such that the second inner seal 72 on the second inner seal passage 59 of the second guide post 70 is directed down the second drive rod 23 Moving, the frictional force of the second inner seal 72 and the second drive rod 23 is smaller than the elastic force of the second lower spring 57, so that the second drive rod 23 does not follow the second inner seal 72 to move downward, so that the second shut-off valve 16 is maintained in an open state. After the inflation pressure of the first inner tube 7 reaches the set value, the compressed air of the first inner tube 7 enters from the second vent hole 75 of the second guide sleeve 68, and passes through the second upper circular table body 71 of the second one-way valve 15. The venting gap with the second upper sealing port 59 and the venting gap between the second lower body 73 of the second shutoff valve 16 and the second lower sealing port 60 enter the second inner tube 8.

In order to implement the closing and conducting of the first anti-leak valve 5 and the second anti-leak valve 6, the first sealing passage 48 of the first anti-leak valve 5 is provided with a first lower spring hole 85, and the first lower spring hole 85 is located at the first Below the sealing port 50, the first lower sealing port 50 communicates with the first lower spring hole 85, and the first lower spring hole 85 communicates with the first air outlet 12 of the first anti-leak valve 5, the first lower spring hole 85 Bit Between the first lower sealing port 50 and the first air outlet 12, the first lower spring 47 is located in the first lower spring hole 85; the second sealing passage 58 of the second anti-leak valve 6 is provided with the second lower spring hole 86. The second lower spring hole 86 is located below the second lower sealing port 60, the second lower sealing port 60 communicates with the second lower spring hole 86, and the second lower spring hole 86 and the second air outlet 18 of the second anti-leak valve 6 In communication, the second lower spring hole 86 is located between the second lower sealing port 60 and the second air outlet 18, and the second lower spring 57 is located in the second lower spring hole 86.

Claims

The use of the explosion-proof tire anti-leak valve includes a rim (1), a tire (2), a tube (3) and a leak-proof valve (4), and the anti-leak valve (4) includes a first anti-leak valve ( 5) and a second anti-leak valve (6), the first anti-leak valve (5) is composed of an integral first check valve (9) and a first air-closing valve (10), and the second anti-leak valve (6) The first one-way valve (15) is composed of an integral second check valve (15); the first anti-leak valve (5) includes a first air inlet (11), a first air outlet (12), and a a driving rod (20), a first valve body (42), a first outer valve core (43), a first upper spring (44), a first driving plate (45), a first inner valve core (46), and a a spring (47); the first valve body (42) is provided with a first sealing passage (48), the first sealing passage (48) is provided with a first upper sealing opening (49) and a first lower sealing opening (50) The first outer valve core (43) is provided with a first inner sealing passage (51); the second leakage preventing valve (6) comprises a second air inlet (17), a second air outlet (18), and a second driving Rod (23), second valve body (52), second outer valve core (53), second upper spring (54), second drive plate (55), second inner valve core (56), and second lower a spring (57); the second valve body (52) is provided with a second Sealing the passage (58), the second sealing passage (58) is provided with a second upper sealing opening (59) and a second lower sealing opening (60), and the second outer valve core (53) is provided with a second inner sealing passage (61) The method is characterized in that: the use of the explosion-proof tire anti-leak valve is: when in use, using a compressed air source device to inflate the outer tire (2) through the air nozzle (41) of the rim (1), when the tire (2) After the charging pressure reaches the set pressure, the compressed air in the tire casing (2) acts on the first driving plate (45) of the first one-way valve (9) of the first anti-leak valve (5), so that the first outer The driving force of the valve core (43) is greater than the elastic force of the first upper spring (44) applied to the first outer valve core (43), causing the first outer valve core (43) to move in the opening direction, so that the first outer valve An air guiding gap occurs between the core (43) and the first upper sealing port (49), and the first outer valve core (43) opens the first one-way valve (9) against the elastic force of the first upper spring (44), and The first shut-off valve (10) is in an open state under the action of its first lower spring (47); after the first check valve (9) is opened, the compressed air in the tire casing (2) is replaced by the first check valve ( 9) The first air inlet (11) enters, and the compressed air of the tire (2) passes through the first check valve (9) And the first shut-off valve (10) enters the first inner tube (7); when the pressure of the first inner tube (7) reaches a set pressure, the compressed air in the first inner tube (7) acts on the second The second driving disc (55) of the second check valve (15) of the anti-leak valve (6) causes the second outer valve core (53) to receive a driving force greater than the second upper spring (54) applied to the second outer portion The elastic force of the spool (53) moves the second outer valve core (53) in the opening direction, so that the second outer valve core (53) and the second upper sealing port (59) of the second sealing passage (58) An air guiding gap occurs, the second outer valve core (53) opens the second one-way valve (15) against the elastic force of the second upper spring (54), and at the same time, the second air closing valve (16) The second lower spring (57) is in an open state; after the second one-way valve (15) is opened, the compressed air in the first inner tube (7) is used by the second air inlet of the second one-way valve (15) (17) entering, the compressed air of the first inner tube (7) enters the second inner tube (8) via the second one-way valve (15) and the second air-closing valve (16); when the pressure of the second inner tube (8) After the set pressure is reached, the second check valve (15) is reset and closed by the elastic force of the second upper spring (54), and the first check valve (9) is under the action of the first spring (44) elastic force. The reset is closed; when the tire (2) is pinched and the pressure is lost, the first check valve (9) is closed, and the tire (2) is out of pressure, the tire (2) is pressed to the first drive head (21), a driving head (21) drives the first inner valve core (46) to move in a closing direction by the first driving rod (20) against the elastic force of the first lower spring (47), and closes the first closing valve (10), so that The first inner tube (7) maintains the original state of being pressurized; the first inner tube (7) is in contact with the tire casing (2) through the first outer support column (27), and the first inner tube (7) passes through the first inner support column (28) ) in contact with the rim (1), supporting the motor vehicle with the first inner tube (7); when the tire (2) and the When the inner tube (7) is pierced by the sharpener, the second check valve (15) is closed, and the first inner tube (7) loses pressure, the first anti-leak valve (5) on the first inner tube (7) is pressed. To the second drive head (24) of the second shut-off valve (16), the second drive head (24) drives the second inner spool by the second drive rod (23) against the elastic force of the second lower spring (57) ( 56) moving in the closing direction, closing the second closing valve (16) to maintain the second inner tube (7) in the charging state; the second inner tube (8) passing through the second outer supporting column (29) and the second inner portion The support column (30) is in contact with the first inner tube (7), the first inner tube (7) is in contact with the tire casing (2) through the first outer support column (27), and the first inner tube (7) passes through the first inner support column (28) In contact with the rim (1), the second inner tube (8) passes through the second outer support column (29), the second inner support column (30), the first outer support column (27), and the first inner support column (28) The support tire (2) supports the motor vehicle with the second inner tube (8) to prevent or reduce the occurrence of traffic accidents.
The use method of the explosion-proof tire anti-leak valve according to claim 1, wherein the first valve body (42) of the first one-way valve (9) is provided with a first guide sleeve (62), and the first guide sleeve (62) is provided. There is a first guiding hole (63) and a first venting hole (74); a first outer valve core (43) and an axis of the first inner valve core (46) and a first guiding hole of the first guiding sleeve (62) ( 63) The same axis, the axis of the first drive rod (20) of the first inner spool (46) and the first inner seal of the first inner seal passage (51) of the first outer spool (43) (66) The axis of the first drive disc (45) is the same as the axis of the first drive rod (20); the first upper spring (44) is identical to the axis of the first lower spring (47), the first upper spring (44) Included outside the first inner spool (46); characterized by: said first When the one-way valve (9) is not opened, the first upper spring (44) applies an elastic force to the first outer valve core (43) along the axis of the first outer valve core (43), and uses the elastic force to make the first outer valve core The first upper circular table body (65) of (43) is sealingly connected with the first upper sealing port (49) of the first valve body (42); when the first one-way valve (9) is opened, the first driving plate (45) Driving the first driving rod (20) to move downward along its axis against the elastic force of the first upper spring (44) under the action of the compressed air pressure of the tire casing (2), leaving the first upper circular table body (65) away from the first upper seal a port (49), a venting gap is formed between the first upper circular table body (65) and the first upper sealing port (49) to open the first one-way valve (9); when the first gas-closing valve (10) is not closed a first lower spring (47) supports the first inner valve core (46) along an axis of the first inner valve core (46) such that the first lower body (67) of the first inner valve core (46) and the first A venting gap is left between the first lower sealing ports (50) of a sealed passage (48), so that the first closing valve (10) is in an open state; after the tire (2) loses pressure, the tire (2) is deformed and pressed a first driving head (21), the first driving head (21) drives the first of the first inner valve core (46) through the first driving rod (20) The table body (67) moves downward along the axis of the first inner seal passage (51), so that the first lower stage body (67) is embedded in the truncated cone-shaped cavity of the first lower seal port (50), and the first snap ring is utilized. (79) The first lower stage body (67) is caught in the truncated cone-shaped cavity of the first lower sealing port (50), and the first lower stage body (67) and the first lower sealing port (50) are reliably sealed. connection.
The method of using an explosion-proof tire anti-leak valve according to claim 2, wherein when the first driving disc (45) moves downward, the first driving disc (45) drives the first outer spool (43) The first guiding post (64) moves downward along the first guiding hole (63) of the first guiding sleeve (62), so that the first inner sealing passage (51) of the first guiding post (64) is first The inner seal (66) moves downward along the first driving rod (20), and the friction between the first inner seal (66) and the first driving rod (20) is smaller than the elastic force of the first lower spring (47), so that A drive rod (20) does not follow the first inner seal (66) to move downward, maintaining the first shut-off valve (10) in an open state.
The method of using an explosion-proof tire anti-leak valve according to claim 3, characterized in that: when the casing (2) is inflated, the compressed air of the casing (2) is made by the first vent of the first guide sleeve (62) (74) entering, through the first check valve (9), the first upper circular body (65) and the first upper sealing port (49) between the ventilation gap and the first shut-off valve (10) The first inner tube (7) enters the gap between the body (67) and the first lower sealing port (50).
The method of using an explosion-proof tire anti-leak valve according to claim 4, characterized in that: the axis of the second outer valve core (53) and the second inner valve core (56) and the second guide sleeve (68) The second guide hole (69) has the same axis, and the second inner valve core (56) has the second drive rod (23) The axis is the same as the axis of the second inner seal (72) of the second inner seal passage (61) of the second outer spool (53), the axis of the second drive disc (55) and the axis of the second drive rod (23) The same; the second upper spring (54) is identical to the axis of the second lower spring (57), and the second upper spring (54) is sleeved outside the second inner spool (56).
The method of using an explosion-proof tire anti-leak valve according to claim 5, wherein when the second one-way valve (15) is not opened, the second upper spring (54) is along the second outer valve core (53) The axis of the second outer valve core (53) exerts an elastic force, and the elastic force is used to seal the second upper round body (71) of the second outer valve core (53) and the second upper body of the second valve body (52) The port (59) is sealingly connected; when the second check valve (15) is opened, the second driving plate (55) drives the second driving rod (23) to overcome along its axis under the pressure of the compressed air of the first inner tube (7) The elastic force of the second upper spring (54) moves downward, so that the second upper circular table body (71) leaves the second upper sealing port (59), so that the second upper circular table body (59) and the second upper sealing port (59) A venting gap occurs between the second check valve (15); when the second shutoff valve (16) is not closed, the second lower spring (57) supports the second along the axis of the second inner spool (56) The inner valve core (56) has a venting gap between the second lower body (7) of the second inner valve core (56) and the second lower sealing port (60) of the second sealing passage (58), so that the first The second closing air valve (16) is in an open state; the outer tire (2) and the first inner tube (8) are lost Thereafter, the first inner tube (8) at the position of the first anti-leak valve (5) is pressed to the second driving head (24), and the second driving head (24) drives the second inner valve core through the second driving rod (23) ( 56) The second lower stage body (73) moves downward along the axis of the second inner seal passage (61), so that the second lower stage body (73) is embedded in the truncated cone-shaped cavity of the second lower seal port (60), utilizing The second snap ring (84) clamps the second lower body (73) into the truncated cone-shaped cavity of the second lower sealing port (60), and implements the second lower body (73) and the second lower sealing port (60). Reliable sealed connection.
The use method of the explosion-proof tire anti-leak valve according to claim 6, wherein the second valve body (52) of the second one-way valve (15) is provided with a second guide sleeve (68), and the second guide sleeve (68) is provided. There is a second guiding hole (69) and a second venting hole (75), wherein when the second driving plate (55) moves downward, the second driving plate (55) drives the second outer valve core ( 53) The second guide post (70) moves downward along the second guide hole (69) of the second guide bush (68) to make the second inner seal passage (59) of the second guide post (70) The inner seal (72) moves downward along the second drive rod (23), and the friction between the second inner seal (72) and the second drive rod (23) is smaller than the elastic force of the second lower spring (57), The second drive rod (23) does not follow the second inner seal (72) to move downward, maintaining the second shut-off valve (16) in an open state.
The method of using an explosion-proof tire anti-leak valve according to claim 7, characterized in that: after the first inner tube (7) inflation pressure reaches a set value, the compressed air of the first inner tube (7) is controlled by a second guide The second vent (75) of the sleeve (68) enters, through the venting gap between the second upper circular body (71) of the second one-way valve (15) and the second upper sealing opening (59), and the second closing The venting gap between the second lower body (73) of the gas valve (16) and the second lower sealing port (60) enters the second inner tube (8).
The method for using an explosion-proof tire anti-leak valve according to claim 8, wherein the first sealing passage (48) of the first anti-leak valve (5) is provided with a first lower spring hole (85), The first lower spring hole (85) is located below the first lower sealing port (50), the first lower sealing port (50) is in communication with the first lower spring hole (85), and the first lower spring hole (85) is first The first air outlet (12) of the anti-leak valve (5) is in communication, and the first lower spring hole (85) is located between the first lower sealing port (50) and the first air outlet (12), and the first lower spring (47) ) is located in the first lower spring hole (85); the second sealing passage (58) of the second anti-leak valve (6) is provided with a second lower spring hole (86), and the second lower spring hole (86) is located at the second Below the lower sealing port (60), the second lower sealing port (60) communicates with the second lower spring hole (86), and the second lower spring hole (86) and the second air outlet of the second anti-leak valve (6) ( 18) communicating, the second lower spring hole (86) is located between the second lower sealing port (60) and the second air outlet (18), and the second lower spring (57) is located in the second lower spring hole (86).