阅读说明：本技术 一种汽车紧急避险制动系统及装置 (Automobile emergency danger-avoiding braking system and device ) 是由 李兆陵 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种小汽车紧急避险制动系统及装置,涉及汽车技术领域,包括车体,所述车体后端的底部设置有摩擦机构,所述车体的前端与后端均设置有车架,所述车体的两侧均设置有车轮,所述车架上且位于车轮的一侧均设置有独立悬挂机构,所述独立悬挂机构包括叉臂组件与空气减震器,该小汽车紧急避险制动系统及装置,通过设置有摩擦机构、双叉臂悬架减震器由活塞缓冲杆将减震器内腔隔离成上气腔与下气腔,使得在需要紧急刹车时,只要上气腔一侧的排气口打开,减震器缓冲杆在车体自身重力以及下气腔中压缩空气的共同作用下,推动车轮向上回缩,使得摩擦机构的底部迅速接触地面,从而实现小车快速制动的目的。(The invention discloses a car emergency danger-avoiding braking system and a device, which relate to the technical field of automobiles and comprise a car body, wherein the bottom of the rear end of the car body is provided with a friction mechanism, the front end and the rear end of the car body are both provided with a car frame, both sides of the car body are both provided with wheels, one side of the car frame and positioned on the wheels is both provided with an independent suspension mechanism, the independent suspension mechanism comprises a fork arm component and an air damper, the car emergency danger-avoiding braking system and the device have the advantages that the inner cavity of the damper is separated into an upper air cavity and a lower air cavity by a piston buffer rod through the arrangement of the friction mechanism and the double fork arm suspension damper, when emergency braking is needed, as long as an exhaust port on one side of the upper air cavity is opened, the damper buffer rod pushes the wheels to retract upwards under the combined action of the self gravity of the car body and compressed air in the lower air cavity, so that the bottom of the friction mechanism is rapidly contacted with the ground, thereby realizing the purpose of rapid braking of the trolley.)

1. The utility model provides a car is with urgent danger prevention braking system and device, includes automobile body (1), its characterized in that: the automobile chassis is characterized in that a friction mechanism (3) is arranged at the bottom of the rear end of the automobile body (1), frames (5) are arranged at the front end and the rear end of the automobile body (1), wheels (4) are arranged on two sides of the automobile body (1), a double-fork-arm mechanism (2) is arranged on one side of each frame (5) and located on each wheel (4), each double-fork-arm suspension mechanism (2) comprises a fork arm assembly (10) and an air damper (6), one end of each fork arm assembly (10) is connected with each wheel (4), each air damper (6) is arranged on one side of each frame (5), an upper air cavity (7) is formed in each air damper (6), an inner cavity of each air damper (6) is isolated into the upper air cavity (7) and a lower air cavity (8) through a piston rod, an air supply pipe (12) is arranged on one side of each air damper (6) and located at one end of each upper air cavity (7) and one end of each lower air cavity (8), the lower air cavity (8) is internally and evenly connected with a buffer rod (9) in a sliding mode, one end of the buffer rod (9) is connected with a fork arm component (10), an independent control system of the device is arranged inside the vehicle body (1), and the control system can be integrated into a whole vehicle brake control system.

2. The automobile emergency hedge braking system and device according to claim 1, characterized in that: one end of the air supply pipe (12) is connected with the vehicle-mounted compressor.

3. The automobile emergency hedge braking system and device according to claim 1, characterized in that: one end of each of the two air supply pipes (12) is connected with an upper air cavity (7) and a lower air cavity (8) of the front and rear suspension shock absorbers respectively, and is provided with a first electromagnetic valve (11).

4. The automobile emergency hedge braking system and device according to claim 1, characterized in that: and one end of one side of the air damper (6), which is positioned at the upper air cavity (7) and the lower air cavity (8), is provided with an exhaust port (13).

5. The automobile emergency hedge braking system and device according to claim 4, characterized in that: the two exhaust ports (13) are respectively arranged on the upper air cavity (7) and the lower air cavity (8) and are provided with second electromagnetic valves (14).

6. The emergency danger avoiding brake system and device for the car according to claim 1, wherein: the bottom of the friction mechanism (3) is provided with a wear-resistant rubber layer with patterns.

Technical Field

The invention relates to the technical field of automobiles, in particular to an emergency danger avoiding braking system and device for an automobile.

Background

When the automobile runs at a high speed, the automobile often cannot be effectively braked due to the fact that the braking distance is too long when emergency braking is needed, and therefore accidents are often caused. The fundamental reason why the traffic disaster is unavoidable is that the tire grip area of the car is too small, so that the braking effect is too poor. Emergency risk avoidance braking cannot be realized quickly.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an emergency danger avoiding braking system and a device thereof for a car running at a high speed, which solve the defects in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a car promptly keeps away dangerous braking system and device, includes the automobile body, the bottom of automobile body rear end is provided with friction mechanism, the front end and the rear end of automobile body all are provided with the frame, the both sides of automobile body all are provided with the wheel, just one side that is located the wheel on the frame all is provided with two yoke mechanisms, two yoke mechanisms include yoke subassembly and air damper, the one end of yoke subassembly all is connected with the wheel, air damper all sets up one side at the frame, the inside air damper divide into air cavity and lower air cavity with the bumper shock absorber inner chamber by piston and buffer beam, one side of air damper just is located air cavity and the one end of lower air cavity and all is provided with the air supply pipe, the one end of buffer beam all is connected with the yoke subassembly, the inside control system that is provided with of automobile body.

Optionally, one end of the air supply pipe is connected with the vehicle-mounted compressor.

Optionally, one end of each of the two air supply pipes extends into the air cavities of the front wheel shock absorber and the rear wheel shock absorber respectively and is provided with a first electromagnetic valve.

Optionally, one end of one side of the air damper, which is located at the upper air cavity and the lower air cavity, is provided with an air outlet.

Optionally, two shock absorbers of the front wheel and the rear wheel are arranged inside the lower air cavity exhaust port and are provided with second electromagnetic valves.

Optionally, the friction mechanism is composed of a bearing structure and a patterned rubber wear-resistant layer.

The invention provides an emergency danger-avoiding braking system and device for a car, which have the following beneficial effects:

1. this car promptly keeps away dangerous braking system and device, through being provided with vehicle bottom friction mechanism, the bumper shock absorber of four two yoke mechanisms is divided into air cavity and lower air cavity with the bumper shock absorber inner chamber by piston buffer rod, when needs emergency braking, the gas vent solenoid valve of last air cavity one side of four yoke bumpers of wheel around will be opened simultaneously by controller send instruction, make the bumper shock absorber wheel upwards retract under the combined action of the compressed air (or compressor replenishment atmospheric pressure) in automobile body dead weight and lower air cavity, make vehicle bottom friction mechanism contact ground rapidly, thereby increase the friction, realize quick braking.

2. According to the emergency risk-avoiding braking system and device for the car, after the bottom of the friction mechanism of the car is grounded and the two rear wheels are completely lifted off the ground, the wheels at the front end of the car body can still keep gripping the ground for guiding, so that the ground is in greater contact with the friction mechanism, the purpose of immediate braking is achieved, and rapid risk-avoiding braking is achieved.

3. In addition, because the air pressure ratio of the upper air cavity and the lower air cavity of the four fork arm shock absorbers of the front wheel and the rear wheel can be freely adjusted as required to realize the corresponding vehicle bottom distance, under different road conditions, the vehicle bottom under different road conditions can have the corresponding proper ground distance by adjusting the air pressure ratio of the upper air cavity and the lower air cavity of the four shock absorbers, for example, the vehicle bottom ground distance can be adjusted to be near 100cm on a highway, which is a high-speed/running mode, and can be adjusted to be near 250cm when the road conditions are different, which is a mountain/off-road mode, thereby realizing the comfort and the trafficability of the vehicle.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic top view of the friction mechanism of the present invention;

FIG. 3 is a schematic structural view of a dual yoke suspension of the present invention;

FIG. 4 is a schematic view of the internal structure of the air damper according to the present invention.

In the figure: 1. a vehicle body; 2. a double-fork arm suspension mechanism; 3. a friction mechanism; 4. a wheel; 5. a frame; 6. an air damper; 7. an upper air cavity; 8. a lower air cavity; 9. a buffer rod; 10. a yoke assembly; 11. a first solenoid valve; 12. a gas supply pipe; 13. an exhaust pipe; 14. a second solenoid valve.

Detailed Description

In the following, the technical solution in the embodiment of the present invention will be clearly and completely described with reference to the drawings in the embodiment of the present invention, and for convenience of description, the embodiment of the present invention is illustrated by using a dual-wishbone suspension only, in view of that a car usually adopts an independent suspension, and various independent suspensions are numerous in form. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a car emergency danger-avoiding braking system and a device thereof comprise a car body 1, wherein the bottom of the rear end of the car body 1 is provided with a friction mechanism 3, the front end and the rear end of the car body 1 are both provided with a car frame 5, both sides of the car body 1 are both provided with wheels 4, one side of the car frame 5 and positioned at the wheels 4 is both provided with a double-fork arm mechanism 2, the double-fork arm suspension mechanism 2 comprises a fork arm component 10 and an air damper 6, one end of the fork arm component 10 is both connected with the wheels 4, the air damper 6 is both arranged at one side of the car frame 5, an upper air cavity 7 is arranged inside the air damper 6, a lower air cavity 8 is arranged inside the air damper 6 and positioned below the upper air cavity 7, one end of the air damper 6 and positioned at one end of the upper air cavity 7 and one end of the lower air cavity 8 are both provided with an air supply pipe 12, the inside the lower air cavity 8 is both slidably connected with a buffer rod 9, one end of the buffer rod 9 is both connected with the fork arm component 10, the independent control system of the device is arranged in the vehicle body 1, and the control systems can be integrated into a whole vehicle brake control system.

Wherein, the one end of air supply pipe 12 all is connected with vehicle compressor, can be for the inside air feed of lower air cavity 8 and upper air cavity 7.

One end of each of the two air supply pipes 12 extends into the upper air chamber 7 and the lower air chamber 8 respectively and is provided with a first electromagnetic valve 11 for controlling air to enter the lower air chamber 8 or the upper air chamber 7.

Wherein, one side of the air damper 6 and one end of the upper air cavity 7 and the lower air cavity 8 are both provided with an exhaust port 13, so that the internal air of the upper air cavity 7 or the lower air cavity 8 can be conveniently exhausted. The upper air cavity outlet and the electromagnetic valve have larger specification than the lower air cavity so as to be beneficial to quick response during braking.

Wherein, the inside of the exhaust port 13 is provided with an electromagnetic valve 14 so as to control the gas discharge inside the upper air cavity 7 or the air pressure ratio of the upper air cavity 7 and the lower air cavity 8 to ensure that the trolley obtains the ground clearance suitable for the road condition.

Wherein, the bottom of the friction mechanism 3 is provided with a wear-resistant rubber layer with patterns, so that the friction performance of the friction mechanism 3 is better.

In summary, in the emergency braking system and the emergency braking device for a car, when the car is braked in an emergency manner, the electromagnetic valve 14 of the exhaust port 13 on one side of the upper air cavity 7 is rapidly opened after obtaining an instruction, the air in the upper air cavity 7 is rapidly exhausted, and the air pressure in the lower air cavity 8 is self-generated. The buffer rod 9 is pushed to drive the wheels 4 to move upwards, so that the bottom of the friction mechanism 3 is in quick contact with the ground, the wheels 4 at the rear end of the vehicle body 1 are completely retracted, and the wheels 4 at the front end of the vehicle body 1 stop contracting when the vehicle body descends to the position where the ground clearance is equal to the height of the friction mechanism at the rear end, so that the vehicle body can keep catching the ground to facilitate guiding, and safe and quick danger avoiding braking is realized. In addition, when the vehicle runs under different road conditions, the bottom of the vehicle body 1 under different road conditions can have a corresponding proper ground clearance by adjusting the air pressure ratio inside the upper air cavity 7 and the lower air cavity 8 arranged on the four double-fork arm suspension mechanisms 2, and the ground clearance of the bottom of the vehicle body 1 can be adjusted to be about 100cm in a sport car/high speed mode at high speed; the conventional/urban mode near 170cm can be adjusted on the urban road surface; the mode is adjusted to be a 250cm up-down country/cross-country mode in the country or when the road condition is not good, so that the vehicle can simultaneously take comfort and trafficability into consideration, and the driving experience of the vehicle is improved besides the safety of the vehicle.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.