Tire burst device

By incorporating a connection between the puncture section and the drive section in the tire blowout device, the puncture component is ensured to avoid damage to other tires when the vehicle is moving, thus solving the problem of existing devices damaging other tires and improving the accuracy and reliability of the test.

CN223976858UActive Publication Date: 2026-03-06CHINA AUTOMOTIVE ENG RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

Existing tire blowout devices can easily damage other tires when puncturing the tire to be punctured, affecting the repeatability and reliability of the test.

Method used

A tire blowout device comprising a puncture section and a drive section has been designed. The puncture component of the puncture section is connected to the drive section. When the vehicle is moving, the drive section moves the puncture component from the puncture position to an avoidance position to prevent puncturing other tires.

Benefits of technology

It enables precise puncture of only the tire to be punctured, improving the accuracy, repeatability, and reliability of the test, and ensuring that other tires are not damaged.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a tire burst device which comprises a puncturing part and a driving part, the puncturing part comprises a seat body and a puncturing piece, the puncturing piece can be movably arranged on the seat body, the moving path of the puncturing piece on the seat body comprises a puncturing position and an avoiding position, a vehicle moves on the tire burst device in the first direction, and the driving part is arranged on the first direction side of the puncturing part. And the driving part is connected with the puncturing part, so that when the vehicle moves to the driving part, the driving part drives the puncturing piece to move from the puncturing position to the avoiding position. The driving part is connected with the puncturing part, the driving part is arranged on the first direction side of the puncturing part, the wheels of the vehicle are punctured through the puncturing part, and when the punctured wheels move to the driving part, the driving part drives the puncturing part to move from the puncturing position to the avoiding position, so that other vehicles are prevented from being punctured by the puncturing part; therefore, only the to-be-broken tire is punctured through precise control, other tires are prevented from being damaged, and the accuracy, repeatability and reliability of the test are improved.
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Description

Technical Field

[0001] This application belongs to the field of vehicle testing technology, and specifically relates to a tire blowout device. Background Technology

[0002] In vehicle safety performance testing, tire blowout testing holds a crucial position. It is primarily used to accurately assess a vehicle's handling and stability when faced with a sudden tire blowout. A tire blowout at high speed can easily lead to a serious traffic accident. Therefore, understanding a vehicle's ability to handle such extreme situations through tire blowout testing is of great significance for ensuring the safety of passengers.

[0003] In existing technologies, tire blowout testing typically involves using a blowout device to puncture the tire. However, these devices may damage other tires on the vehicle after the blowout. For example, when conducting a blowout test on the front tires, the device may puncture the front tires and damage the rear tires as well, affecting the repeatability and reliability of the test. Utility Model Content

[0004] Therefore, the technical problem to be solved by this application is to provide a tire blowout device that can protect other tires from being punctured while puncturing the tire to be punctured.

[0005] To address the aforementioned problems, this application provides a tire blowout device, comprising a puncture section and a drive section. The puncture section includes a base and a puncture element, which is movably disposed on the base. The movement path of the puncture element on the base includes a puncture position and an avoidance position. A vehicle moves along a first direction on the tire blowout device. The drive section is disposed on the first direction side of the puncture section and is connected to the puncture section so that when the vehicle moves to the drive section, the drive section drives the puncture element to move from the puncture position to the avoidance position.

[0006] Optionally, the piercing part includes a rotating shaft rotatably connected to the base, the piercing element is disposed on the rotating shaft, and the driving part is connected to the rotating shaft to drive the piercing element from the piercing position to the avoidance position via the rotating shaft; when the piercing element is in the piercing position, the cutting edge of the piercing element is inclined in the opposite direction to the first direction and forms an angle of 20° to 40° with the vertical direction.

[0007] Optionally, there are at least two seats, and the at least two seats are arranged along the axial direction of the rotating shaft, with the rotating shaft rotatably connected to the at least two seats respectively.

[0008] Optionally, the piercing portion includes an elastic element connected to the rotating shaft to apply an elastic force to the rotating shaft, thereby moving the piercing portion from the avoidance position to the piercing position.

[0009] Optionally, the tire blowout device includes a base plate, the seat is disposed on the base plate, and the length of the base plate is adjustable in the first direction.

[0010] Optionally, the base plate includes at least two splicing units, which can be spliced ​​together in the first direction, and the splicing unit where the puncture part is located is different from the splicing unit where the driving part is located.

[0011] Optionally, the base plate includes a sliding plate and an outer plate, the sliding plate and the outer plate being slidably sleeved in the first direction, the puncture part being disposed on one of the sliding plate and the outer plate, and the driving part being disposed on the other of the sliding plate and the outer plate.

[0012] Optionally, the driving unit includes a pressure plate and a transmission component. The pressure plate is hinged to the base plate. The movement path of the pressure plate on the base plate includes a raised position and a tilted position. When the vehicle moves onto the pressure plate, it drives the pressure plate to move from the raised position to the tilted position. The transmission component is connected to the pressure plate and the puncture part respectively, and drives the puncture part to move with the pressure plate.

[0013] Optionally, the transmission component includes a connecting cable, which is connected to the pressure plate and the rotating shaft respectively, so that the rotating shaft rotates synchronously with the pressure plate.

[0014] Optionally, the tire blowout device includes a ramp with increasing thickness along the first direction, the thickness of the ramp at its end in the first direction being the same as the thickness of the base.

[0015] Beneficial effects

[0016] The tire blowout device provided in this embodiment of the invention can puncture tires by setting a puncture part. By connecting a drive unit to the puncture part and positioning the drive unit on the first direction side of the puncture part, when a vehicle's wheel is punctured by the puncture part, the drive unit moves the punctured wheel to the drive unit, which then moves the puncture part from the puncture position to an avoidance position, preventing other vehicles from being punctured. This allows for precise control, ensuring that only the tire to be punctured is punctured, avoiding damage to other tires and improving the accuracy, repeatability, and reliability of the test. For example, when performing a tire blowout test on the front tires, it can ensure that the front tires are punctured while the rear tires are not. Attached Figure Description

[0017] Figure 1This is a first-view perspective three-dimensional structural diagram of the tire blowout device according to an embodiment of this application.

[0018] Figure 2 This is a three-dimensional structural diagram of the tire blowout device according to an embodiment of this application from a second perspective.

[0019] Figure 3 This is a schematic front view of the tire blowout device according to an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the inclined platform and the puncture part in an embodiment of this application.

[0021] The reference numerals in the attached figures are as follows:

[0022] 11. Puncture component; 12. Seat body; 13. Rotating shaft; 14. Elastic component;

[0023] 2. Base plate;

[0024] 31. Pressure plate; 32. Connecting cable;

[0025] 4. Inclined platform. Detailed Implementation

[0026] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0030] See also Figures 1 to 4 As shown, according to an embodiment of this application, a tire blowout device is provided, including a puncture part and a drive part. The puncture part includes a seat 12 and a puncture member 11. The puncture member 11 is movably disposed on the seat 12. The movement path of the puncture member 11 on the seat 12 includes a puncture position and an avoidance position. The vehicle moves along a first direction on the tire blowout device. The drive part is disposed on the first direction side of the puncture part and is connected to the puncture part so that when the vehicle moves to the drive part, the drive part drives the puncture member 11 to move from the puncture position to the avoidance position.

[0031] By incorporating a puncture point, tires can be punctured. By connecting a drive unit to the puncture point and positioning the drive unit on the first direction side of the puncture point, the vehicle's wheel is punctured as it passes through the puncture point. When the punctured wheel moves to the drive unit, the drive unit moves the puncture component 11 from the puncture position to an avoidance position, preventing other vehicles from being punctured. This allows for precise control, ensuring only the tire intended for puncture is punctured, avoiding damage to other tires, and improving the accuracy, repeatability, and reliability of the test. For example, when conducting a tire blowout test on the front tires, it ensures that the front tires are punctured while the rear tires remain unpunctured.

[0032] The piercing component 11 can be a blade.

[0033] In one embodiment, the puncturing element 11 is rotatably mounted on the seat 12. The rotation path of the puncturing element 11 on the seat 12 includes a puncturing position and an avoidance position. When the puncturing element 11 is in the puncturing position, it protrudes upwards from the seat 12, thus puncturing the wheel when it is run over. When the puncturing element 11 is in the avoidance position, it retracts below the seat 12, thus avoiding other wheels when they run over, preventing contact between the puncturing element 11 and the wheels, thereby ensuring that other wheels are not punctured.

[0034] In another implementation, the puncturing element 11 can also be movably mounted on the seat 12. When the puncturing element 11 is in the puncturing position, it is positioned on the path of the wheel to be punctured along the first direction, thus puncturing the wheel when it passes over it. When the puncturing element 11 is in the avoidance position, it moves to a position outside the path of other vehicles traveling in the first direction, thus avoiding other wheels when they pass over it. The puncturing element 11 does not contact the wheels, thereby ensuring that other wheels are not punctured.

[0035] Specifically, the puncture component 11 can be moved by a drive component, thereby moving from the puncture position to the avoidance position. The drive component can be a switch or the like. When the vehicle moves to the drive component, the drive component is triggered, thereby causing the drive component to operate and moving the puncture component 11 from the puncture position to the avoidance position.

[0036] The first direction refers to the direction of the vehicle's movement on the tire blowout device. For example... Figure 3 As shown, Figure 3 The arrow in the image points in the first direction.

[0037] Specifically, when the front wheels of the vehicle are the wheels to be damaged, the forward direction of the vehicle is the first direction. When the rear wheels of the vehicle are the wheels to be damaged, the reverse direction of the vehicle is the first direction.

[0038] The piercing part includes a rotating shaft 13, which is rotatably connected to the base 12. The piercing element 11 is disposed on the rotating shaft 13. The driving part is connected to the rotating shaft 13 so as to drive the piercing element 11 from the piercing position to the avoidance position through the rotating shaft 13.

[0039] By setting the piercing element 11 on the rotating shaft 13, the rotating shaft 13 drives the piercing element 11 to move, so that the piercing action rotates stably between the piercing position and the avoidance position.

[0040] The piercing element 11 is fixedly connected to the rotating shaft 13 in the radial direction, that is, the cutting end of the piercing element 11 extends outward in the radial direction of the rotating shaft 13.

[0041] The rotating shaft 13 is rotatably connected to the mounting hole of the base 12 via a bearing.

[0042] When the puncturing member 11 is in the puncturing position, the cutting end of the puncturing member 11 is tilted in the opposite direction of the first direction and forms an angle of 20° to 40° with the vertical direction, so that the puncturing member 11 can successfully puncture the wheel when the wheel passes by.

[0043] The piercing element 11 extends in a roughly straight line from the root end to the blade end. When the piercing element 11 is in the piercing position, it is inclined from the root end to the blade end towards the direction of the oncoming vehicle and forms an angle of 20° to 40° with the vertical direction.

[0044] Specifically, the straight line formed by the piercing part 11 from the root end to the blade end forms a 30° angle with the vertical direction.

[0045] There are at least two bases 12, and the at least two bases 12 are arranged along the axial direction of the rotating shaft 13, and the rotating shaft 13 is rotatably connected to the at least two bases 12 respectively.

[0046] By arranging at least two seats 12 axially along the rotating shaft 13, with the shaft 13 rotatably connected to these seats 12, the shaft 13 receives more stable support during rotation. When puncturing a tire, this effectively reduces the shaking of the shaft 13 caused by the puncture force, ensuring the puncture component 11 remains stably in the puncture position and accurately punctures the tire. For example, during tire blowout tests on high-speed vehicles, the stable structure ensures reliable execution of the puncture action, preventing puncture failure or positional deviation due to shaking, thus improving test accuracy. By having two seats 12 jointly support the rotating shaft 13 and the puncture component 11, the impact force generated during tire puncture is dispersed. The use of two seats 12 enhances the overall structural strength and rigidity of the tire blowout device.

[0047] The number of bases 12 can be four. The four bases 12 are identical in shape and size and are arranged along the axis of the rotating shaft 13. The rotating shaft 13 is rotatably connected to the four bases 12 respectively.

[0048] Two bases 12 are located on one side of the puncture member 11 and two bases 12 are located on the other side of the puncture member 11, which further improves the overall stability.

[0049] The puncture part includes an elastic element 14, which is connected to the rotating shaft 13 to apply an elastic force to the rotating shaft 13, thereby moving the puncture part 11 from the avoidance position to the puncture position.

[0050] The elastic element 14 is connected to the rotating shaft 13 and can apply an elastic force to the rotating shaft 13, causing the puncture component 11 to automatically return from the avoidance position to the puncture position. This allows the tire blowout device to quickly enter the preparation state for the next test without manual adjustment of the puncture component 11 after completing one tire blowout test. When conducting multiple tire blowout tests consecutively, this significantly saves test preparation time and improves test efficiency. For example, in large-scale vehicle safety performance testing, it can reduce waiting time and speed up the testing process.

[0051] By connecting the elastic element 14 to the rotating shaft 13, an elastic force can be applied to the rotating shaft 13, causing the puncture element 11 to automatically return from the avoidance position to the puncture position. This allows the tire blowout device to quickly enter the preparation state for the next test without manual adjustment of the puncture element 11 after completing one tire blowout test. When conducting multiple tire blowout tests consecutively, this significantly saves test preparation time and improves test efficiency.

[0052] When other wheels move to the puncture point 11, the wheel to be punctured presses against the drive unit, causing the puncture point 11 to overcome the elastic force of the elastic member 14 and remain in the avoidance position, thus preventing puncturing the wheel. After other wheels have moved past the puncture point 11, the wheel to be punctured moves outside the drive unit, causing the puncture point 11 to automatically return to the puncture position by the elastic force of the elastic member 14.

[0053] Specifically, for example, the front wheels of the vehicle are the parts to be punctured. When the rear wheels of the vehicle move to the location of the puncture point 11, the front wheels of the vehicle press against the drive unit, and the drive unit keeps the puncture point 11 in a avoidance position to prevent the puncture point 11 from puncturing the rear wheels. After the rear wheels pass the puncture point 11, the front wheels also move to the first direction side of the drive unit, passing the drive unit, so that the puncture point 11 automatically returns to the puncture position by the elastic force of the elastic member 14.

[0054] Among them, the elastic element 14 can be a spring.

[0055] A connecting pin can be installed on the rotating shaft 13, and the spring is fixedly connected to the connecting pin.

[0056] There can be multiple elastic elements 14, and the multiple elastic elements 14 are arranged circumferentially along the axis of rotation 13.

[0057] The tire blowout device includes a base plate 2, and a seat 12 is mounted on the base plate 2. The length of the base plate 2 is adjustable in the first direction.

[0058] Different types of vehicles have significantly different wheelbases. By making the base plate 2 adjustable in length in the first direction, the tire blowout device can flexibly adapt to vehicles with various wheelbases. During tire blowout tests, the length of the base plate 2 can be precisely adjusted according to the vehicle's wheelbase to ensure that the tire is accurately aligned with the puncture point, improving the accuracy of the test. At the same time, it also ensures that when other wheels move to the puncture point 11, the wheel to be punctured presses on the drive unit, allowing the puncture point 11 to overcome the elastic force of the elastic member 14 and remain in the avoidance position, thus preventing the wheel from being punctured.

[0059] One end of the elastic element 14 is connected to the rotating shaft 13, and the other end is connected to the base plate 2.

[0060] Among them, the base plate 2 is long and narrow, and the length direction is the first direction.

[0061] Among them, the seat 12 and the piercing part

[0062] In one embodiment, the base plate 2 includes at least two splicing units, which can be spliced ​​together in a first direction. The splicing unit where the puncture part is located is different from the splicing unit where the drive part is located.

[0063] By setting at least two splicing units and splicing them together in the first direction, the actual length of the puncture part in the first direction is adjustable. By setting the puncture part and the drive part on different splicing units, the distance between the puncture part and the drive part can be flexibly adjusted according to different wheelbases of the vehicle, thus making the tire blowout device applicable to more types of vehicles. By adjusting the distance between the puncture part and the drive part, it is ensured that when other wheels move to the puncture part 11, the wheel to be punctured presses on the drive part, so that the puncture part 11 overcomes the elastic force of the elastic member 14 and remains in the avoidance position, avoiding puncturing the wheel.

[0064] In this process, adjacent splicing units are joined together in a concave-convex manner to achieve splicing.

[0065] Specifically, in two adjacent splicing units, one splicing unit is provided with an outwardly protruding splicing block, and the other splicing unit is provided with a splicing groove that matches the splicing block. The splicing block is inserted into the splicing groove to achieve splicing and fixation.

[0066] In another embodiment, the base plate 2 includes a sliding plate and an outer plate, which are slidably connected in a first direction, thereby making the actual length of the puncture part adjustable in the first direction. The puncture part is disposed on one of the sliding plate and the outer plate, and the drive part is disposed on the other of the sliding plate and the outer plate. The distance between the puncture part and the drive part can be flexibly adjusted according to different wheelbases of the vehicle, thereby making the tire blowout device applicable to more types of vehicles. By adjusting the distance between the puncture part and the drive part, it is ensured that when other wheels move to the puncture part 11, the wheel to be punctured presses on the drive part, so that the puncture part 11 overcomes the elastic force of the elastic member 14 and remains in the avoidance position, thus preventing the wheel from being punctured.

[0067] Both the sliding plate and the outer plate can be rectangular plates.

[0068] Specifically, the shape and size of the sliding plate and the outer plate are matched, so that while the sliding plate and the outer plate can slide relative to each other in the first direction, large wobbling between the sliding plate and the outer plate is avoided.

[0069] The puncture part is located on the sliding plate, and the driving part is located on the outer plate.

[0070] The drive unit includes a pressure plate 31 and a transmission component. The pressure plate 31 is hinged to the base plate 2. The movement path of the pressure plate 31 on the base plate 2 includes a raised position and a tilted position. When the vehicle moves onto the pressure plate 31, it drives the pressure plate 31 to move from the raised position to the tilted position. The transmission component is connected to the pressure plate 31 and the puncture part respectively, and drives the puncture part to move with the pressure plate 31.

[0071] By hinged the pressure plate 31 to the base plate 2, when the vehicle moves onto the pressure plate 31, it moves the pressure plate 31 from a raised position to a tilted position, which in turn drives the puncture part to move via a transmission component. This achieves automatic triggering of the tire blowout device. When the vehicle travels to a specific position, the movement of the pressure plate 31 can precisely control the puncture part, ensuring that the puncture component 11 moves from the puncture position to the avoidance position at the appropriate time, thus improving the accuracy and repeatability of the tire blowout test.

[0072] The pressure plate 31 is hinged to the base plate 2.

[0073] When the pressure plate 31 is in the raised position, the angle between the base plate 2 and the pressure plate 31 is an obtuse angle, which allows the vehicle to move smoothly onto the pressure plate 31.

[0074] Among them, the pressure plate 31 is in the overturned position and is horizontal, that is, the pressure plate 31 and the bottom plate 2 are in the same horizontal plane.

[0075] The transmission component includes a connecting cable 32, which is connected to the pressure plate 31 and the rotating shaft 13 respectively, so that the rotating shaft 13 rotates synchronously with the pressure plate 31.

[0076] By setting a connecting cable 32 and connecting it to both the pressure plate 31 and the rotating shaft 13, when the pressure plate 31 moves from the raised position to the overturned position under the pressure of the vehicle, the force can be stably and efficiently transmitted to the rotating shaft 13 through the connecting cable 32. This causes the rotating shaft 13 to rotate synchronously with the pressure plate 31, driving the puncture component 11 to move quickly from the puncture position to the avoidance position. After other wheels have passed the puncture component 11, the wheel to be punctured has also passed the drive unit. The elastic element 14 drives the rotating shaft 13 to rotate through its own elastic force, thereby moving the puncture component 11 to the puncture position and driving the pressure plate 31 from the overturned position to the raised position through the connecting cable 32.

[0077] Among them, the connecting cable 32 is not elastic.

[0078] Specifically, the connecting cable 32 can be a metal cable.

[0079] The tire blowout device includes a ramp 4, the ramp 4 having an increasing thickness along a first direction, and the thickness of the end of the ramp 4 in the first direction being the same as the thickness of the seat 12.

[0080] By increasing the thickness of the ramp 4 along the first direction, the tire rolls along the slope of the ramp 4 as the vehicle approaches the tire blowout device, reducing bumps. By ensuring that the thickness of the ramp 4 at its end in the first direction is the same as the thickness of the seat 12, a smoother transition from the ramp 4 to the seat 12 is achieved. This prevents the vehicle from bumping or jumping when passing the device, thus ensuring the accuracy of puncturing the tire.

[0081] Among them, the top surface of inclined platform 4 is an inclined surface.

[0082] The inclined platform 4 is vertically arranged on the outer wall of its end along the first direction. The base 12 is tightly arranged against the end of the inclined platform 4 in the first direction.

[0083] It will be readily understood by those skilled in the art that the aforementioned advantageous methods can be freely combined and superimposed without conflict.

[0084] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application. The above are merely preferred embodiments of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this application, and these improvements and modifications should also be considered within the protection scope of this application.

Claims

1. A tire blowout device characterized by, The puncture part includes a seat body (12) and a puncture piece (11) movably arranged on the seat body (12), and a moving path of the puncture piece (11) on the seat body (12) includes a puncture position and an avoiding position; the vehicle moves on the tire burst device in a first direction; the driving part is arranged on the first direction side of the puncture part and connected with the puncture part, so that the driving part drives the puncture piece (11) to move from the puncture position to the avoiding position when the vehicle moves to the driving part.

2. The tire blowout device according to claim 1, characterized in that, The puncture part includes a rotating shaft (13) rotatably connected with the seat body (12), and the puncture piece (11) is arranged on the rotating shaft (13); the driving part is connected with the rotating shaft (13) to drive the puncture piece (11) to move from the puncture position to the avoiding position through the rotating shaft (13). When the puncture piece (11) is in the puncture position, the blade end of the puncture piece (11) is inclined towards the reverse direction of the first direction and forms an angle of 20-40° with the vertical direction.

3. The tire blowout device according to claim 2, characterized in that, The seat body (12) is at least two, and the at least two seat bodies (12) are arranged along the axial direction of the rotating shaft (13) and are respectively rotatably connected with the rotating shaft (13).

4. The tire blowout device according to claim 2, characterized in that, The puncture part includes an elastic piece (14) connected with the rotating shaft (13) to apply an elastic force to the rotating shaft (13) to drive the puncture piece (11) to move from the avoiding position to the puncture position.

5. The tire blowout device according to claim 2, characterized in that, The tire burst device includes a bottom plate (2), and the seat body (12) is arranged on the bottom plate (2); the length of the bottom plate (2) in the first direction is adjustable.

6. The tire blowout device according to claim 5, characterized in that, The bottom plate (2) includes at least two splicing units, and the at least two splicing units can be spliced in the first direction; the splicing unit where the puncture part is arranged is different from the splicing unit where the driving part is arranged.

7. The tire pressure control system of claim 5, wherein the pressure control device is a valve. The bottom plate (2) includes a sliding plate and an outer sleeve plate, and the sliding plate and the outer sleeve plate are slidingly sleeved in the first direction; the puncture part is arranged on one of the sliding plate and the outer sleeve plate, and the driving part is arranged on the other one of the sliding plate and the outer sleeve plate.

8. The tire pressure control system of claim 5, wherein the tire pressure control system is configured to activate the inflator when the tire pressure sensor detects a pressure drop in the tire. The driving part includes a pressing plate (31) and a transmission piece; the pressing plate (31) is hingedly connected with the bottom plate (2); a moving path of the pressing plate (31) on the bottom plate (2) includes a lifting position and a turning position; when the vehicle moves to the pressing plate (31), the pressing plate (31) is driven to move from the lifting position to the turning position; the transmission piece is respectively connected with the pressing plate (31) and the puncture part to drive the puncture part to move with the pressing plate (31).

9. The tire blowout device according to claim 8, characterized in that, The transmission piece includes a connecting rope (32) respectively connected with the pressing plate (31) and the rotating shaft (13) to synchronously rotate the rotating shaft (13) with the pressing plate (31).

10. The tire pressure control system of claim 1, wherein, Said blowout device comprises a ramp (4) which is increasing in thickness along said first direction, the thickness of the end of said ramp (4) in said first direction being the same as the thickness of said seat body (12).