CN111959479A

CN111959479A - Safety mechanism for preventing automobile brake failure

Info

Publication number: CN111959479A
Application number: CN202010884574.5A
Authority: CN
Inventors: 聂汉标
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-20

Abstract

The invention relates to the technical field of automobile braking, and discloses a safety mechanism for preventing automobile braking failure, which comprises an engine shaft and an accelerator pedal, wherein a metal block is fixedly installed on the outer side of an extension spring, power lines are fixedly connected to two sides of the extension spring, a separating mechanism is fixedly installed at the outer end of each power line, a separating electromagnet is fixedly installed inside a separating chamber, an ejector rod is fixedly installed at the upper end of a buffer spring, and an intervention electromagnet is fixedly installed below the accelerator pedal. When the automobile speed exceeds a limited speed value, and the centrifugal force generated by the separating disc is greater than the pulling force of the extension spring, the metal blocks are contacted with the power line to form a closed loop, the separating electromagnet is electrified to generate magnetism to separate the ejector rod from the stabilizing disc, and meanwhile, the electromagnet is interfered to be electrified to generate repulsive force, so that the driver is prevented from stepping on the accelerator pedal by mistake, and the effect of a passive safety mechanism when the brake is overheated and fails is realized.

Description

Safety mechanism for preventing automobile brake failure

Technical Field

The invention relates to the technical field of automobile brakes, in particular to a safety mechanism for preventing automobile brake failure.

Background

With the continuous improvement of the technology, the price of the automobile is also continuously reduced, basically, each family has the ability to buy the automobile, the automobile often encounters a downhill section in the driving process, a driver often presses the brake for a long time when encountering the downhill section to cause the brake to be overheated and malfunction, so that the automobile stalls in the downhill section, and finally tragedy can be caused.

At present, the brake mode of an automobile still mainly adopts man-made active operation, the existence of man-made subjective operation of a downhill road section can cause brake overheating failure, a corresponding passive safety mechanism is not provided, when the brake of the automobile fails, the speed of the automobile cannot be limited under the condition of not intervening normal driving, and a person often uses an accelerator as a brake due to scaring under the condition of stalling, so that the danger probability is improved, and the like

Disclosure of the invention technical problem (1)

Aiming at the defects of the prior art, the invention provides a safety mechanism for preventing the brake failure of an automobile, which has the advantages of a passive safety mechanism under the condition of the brake overheating failure of the automobile, a device for limiting the speed of the automobile and intervening an accelerator pedal under the condition of normal running without intervening, and the like, and solves the problems that the general automobile does not have a corresponding passive safety mechanism under the condition of the vehicle-intervening overheating failure, the speed of the automobile cannot be limited under the condition of normal running without intervening, the device for intervening the accelerator pedal is lacked, and the like.

(II) technical scheme

In order to realize the purpose of the device which is provided with a passive safety mechanism under the condition of the overheat failure of the automobile brake and carries out speed limitation and accelerator pedal intervention on the automobile under the condition of no intervention in normal running, the invention provides the following technical scheme:

a safety mechanism for preventing automobile brake failure comprises an engine shaft and an accelerator pedal, wherein a bolt is fixedly arranged on the outer side of the engine shaft, a brake disc is fixedly arranged on the outer side of the engine shaft, a brake mechanism is fixedly arranged on the left side of the brake disc, an electrorheological body is fixedly arranged in the brake mechanism, a supporting spring is fixedly arranged below the electrorheological body, a connecting rod is movably arranged on the inner side of the supporting spring, a supporting rod is fixedly arranged on the outer side of the connecting rod, a straight gear is fixedly arranged below the connecting rod, auxiliary wheels are connected to two sides of the straight gear in a meshed manner, a sector gear is connected to the outer side of the auxiliary wheels in a meshed manner, an L-shaped rod is fixedly arranged below the sector gear, a friction block is movably arranged on the inner side of the L-shaped rod, a separating disc is fixedly arranged on the outer side of the engine shaft, control mechanism's inside fixed mounting has extension spring, extension spring's outside fixed mounting metal block, extension spring's both sides fixedly connected with power cord, the outer end fixed mounting of power cord has separating mechanism, separating mechanism's inside fixed mounting has the separation chamber, the inside fixed mounting of separation chamber has the separation electro-magnet, the upper end fixed mounting of separation electro-magnet has buffer spring, buffer spring's upper end fixed mounting has the ejector pin, the outside of separation dish is rotated and is installed the stability dish, the inside fixed mounting of stability dish has ring magnet, the bayonet socket has been seted up to ring magnet's inside, accelerator pedal's below fixed mounting has intervention electro-magnet, fixed mounting has reset spring between the intervention electro-magnet.

Preferably, the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid is in a solid state under a power-on state with a fixed current amount and in a liquid state under a non-power-on state.

Preferably, the inside fixed mounting of clutch blocks has the back shaft, and the inboard fixed mounting of back shaft has adjusting spring, and back shaft and adjusting spring can be according to the position automatic adjustment clutch blocks position of brake disc to improve the brake effect.

Preferably, the two intervention electromagnets are electrified to generate opposite magnetism, and the magnetic repulsive force is greater than the acting force of the return spring, so that the intervention electromagnets can prevent a driver from mistakenly stepping on the accelerator pedal when being electrified.

Preferably, the control mechanism and the separation mechanism are uniformly distributed in a ring shape by taking the axis of the engine shaft as a reference point, and the plurality of control mechanisms and the separation mechanisms can improve the stability of the mechanism operation.

Preferably, the power cord is electrically connected with the intervention electromagnet and the separation electromagnet, and when the power cord is internally electrified, the intervention electromagnet and the separation electromagnet are electrified to generate magnetism.

(III) advantageous effects

Compared with the prior art, the invention provides a safety mechanism for preventing the brake failure of an automobile, which has the following beneficial effects:

1. the safety mechanism for preventing the brake failure of the automobile has the advantages that when the brake device of the automobile on the downhill road section is overheated and fails, the automobile speed exceeds a limited speed value, the centrifugal force generated by the separating disc is larger than the tensile force of the tension spring in the control mechanism, the two metal blocks are contacted, so that the power line forms a closed loop, the separating electromagnet is electrified to generate magnetism to separate the ejector rod from the stabilizing disc, meanwhile, the electromagnet is interfered to be electrified to generate repulsive force, the driver is prevented from mistakenly stepping on the accelerator pedal under the stress condition, the effect of a passive safety mechanism is achieved when the brake is overheated and fails, and the driving safety of the automobile is guaranteed.

2. The safety mechanism for preventing the brake failure of the automobile generates relative motion through the separating disc and the stabilizing disc, a magnetic induction line of the annular magnet cut by a lead generates induction current, an electrorheological body in the brake mechanism receives the induction current to become a solid state, so that a straight gear on the volume increasing extrusion connecting rod moves downwards to drive sector gears on two sides of the auxiliary wheel to rotate, a friction block on the L-shaped rod is driven to generate friction with the brake disc, the automobile is controlled to be at a limited speed, the brake mechanism is controlled to be reset below the limited speed after an original brake device of the automobile is cooled, the effect of limiting the speed of the automobile under the condition of no intervention of normal driving is achieved, and the driving safety of the automobile is improved.

Drawings

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

FIG. 2 is a schematic structural view of a portion of the accelerator pedal of the present invention;

FIG. 3 is a schematic view of the interior of the structure of the separation disc according to the present invention;

FIG. 4 is an enlarged view of the structure shown in FIG. 3 at A according to the present invention;

FIG. 5 is a schematic view of the braking mechanism of the present invention;

FIG. 6 is an enlarged view of the structure shown at B in FIG. 5 according to the present invention;

FIG. 7 is an enlarged view of the mechanism of the present invention shown at C in FIG. 5;

FIG. 8 is a schematic diagram of the movement of the structure of the separation disc according to the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 8 at D in accordance with the present invention;

FIG. 10 is a schematic view of the movement of the braking mechanism of the present invention;

FIG. 11 is an enlarged view of the structure of FIG. 10 at E in accordance with the present invention;

FIG. 12 is a schematic view of a control mechanism of the present invention.

In the figure: 1. an engine shaft; 2. a brake disc; 3. a brake mechanism; 4. an accelerator pedal; 5. intervening electromagnets; 6. a return spring; 7. a separation disc; 8. a stabilizing disc; 9. a control mechanism; 10. a separating mechanism; 101. a bolt; 301. an electrorheological fluid; 302. a support spring; 303. a connecting rod; 304. a support bar; 305. a spur gear; 306. an auxiliary wheel; 307. a sector gear; 308. an L-shaped rod; 309. a friction block; 701. a wire; 801. a ring magnet; 802. a bayonet; 901. an extension spring; 902. a metal block; 903. a power line; 1001. a separation chamber; 1002. separating the electromagnet; 1003. a buffer spring; 1004. a top rod; 3091. a support shaft; 3092. the spring is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, a safety mechanism for preventing brake failure of an automobile comprises an engine shaft 1 and an accelerator pedal 4, a bolt 101 is fixedly installed on the outer side of the engine shaft 1, a brake disc 2 is fixedly installed on the outer side of the engine shaft 1, a brake mechanism 3 is fixedly installed on the left side of the brake disc 2, an electrorheological body 301 is fixedly installed inside the brake mechanism 3, the electrorheological body 301 is mainly made of gypsum, lime, carbon powder and olive oil, the electrorheological body 301 is solid in an electrified state with a fixed current amount and liquid in a non-electrified state, a supporting spring 302 is fixedly installed below the electrorheological body 301, a connecting rod 303 is movably installed on the inner side of the supporting spring 302, a supporting rod 304 is fixedly installed on the outer side of the connecting rod 303, a spur gear 305 is fixedly installed below the connecting rod 303, auxiliary gears 306 are engaged and connected on two sides of the spur gear 305, a sector gear 307 is engaged and connected on, an L-shaped rod 308 is fixedly installed below the sector gear 307, a friction block 309 is movably installed on the inner side of the L-shaped rod 308, a supporting shaft 3091 is fixedly installed inside the friction block 309, an adjusting spring 3092 is fixedly installed on the inner side of the supporting shaft 3091, the position of the friction block 309 can be automatically adjusted according to the position of the brake disc 2 through the supporting shaft 3091 and the adjusting spring 9092, and therefore the braking effect is improved.

The outer end of a power line 903 is fixedly provided with a separating mechanism 10, the control mechanisms 9 and the separating mechanisms 10 are uniformly distributed in a ring shape by taking the axis of an engine shaft 1 as a reference point, a plurality of control mechanisms 9 and the separating mechanisms 10 can improve the stability of the mechanism operation, the inside of the separating mechanism 10 is fixedly provided with a separating chamber 1001, the inside of the separating chamber 1001 is fixedly provided with a separating electromagnet 1002, the upper end of the separating electromagnet 1002 is fixedly provided with a buffer spring 1003, the upper end of the buffer spring 1003 is fixedly provided with a push rod 1004, the outer side of a separating disc 7 is rotatably provided with a stabilizing disc 8, the inside of the stabilizing disc 8 is fixedly provided with a ring-shaped magnet 801, the inside of the ring-shaped magnet 801 is provided with a bayonet 802, an intervening electromagnet 5 is fixedly arranged below an accelerator pedal 4, a return spring 6 is fixedly arranged between the intervening electromagnets 5, and the magnetic repulsion force is greater than the acting force of the return spring 6, so that the intervention electromagnet 5 can prevent a driver from mistakenly stepping on the accelerator pedal 4 when being electrified, the power line 903 is electrically connected with the intervention electromagnet 5 and the separation electromagnet 1002, and when the power line 903 is internally electrified, the intervention electromagnet 5 and the separation electromagnet 1002 are electrified to generate magnetism.

The working principle is as follows: during the normal running of the automobile, the top bar 1004 inside the separating mechanism 10 is connected with the bayonet 802 inside the stabilizing disc 8 under the action of the buffer spring 1003, when the engine shaft 1 rotates to drive the separating disc 7 to rotate, thereby driving the stabilizing disc 8 to rotate, the centrifugal force generated during the normal speed running is not enough to drive the metal blocks 902 to contact, when the brake device of the automobile on the downhill road section is overheated and fails, the speed of the automobile cannot be controlled and gradually increases, when the centrifugal force generated by the separating disc 7 is greater than the pulling force of the tension spring 901 inside the control mechanism 9 when the speed exceeds a limited speed value, the two metal blocks 902 contact, thereby the power line 903 forms a closed loop, the separating electromagnet 1002 inside the separating mechanism 10 is electrified to generate magnetism to attract the top bar 1004, the top bar 1004 is separated from the stabilizing disc 8, and meanwhile, the interference electromagnet 5 is electrified to generate repulsive force, the driver is prevented from stepping on the accelerator pedal by mistake under the stress condition, and a passive safety mechanism is arranged when the brake is overheated and fails.

When the speed of the automobile exceeds a limit value, the ejector rod 1003 is separated from the stabilizing disc 8, at the moment, the separating disc 7 continues to rotate and moves relative to the stabilizing disc 8, so that the conducting wire 701 cuts the magnetic induction line of the annular magnet 801, so that induction current is generated, when the current variant 301 in the brake mechanism 3 receives the induction current, the current variant 301 is changed into a solid state, so that the volume is increased, the straight gear 305 on the extrusion connecting rod 303 moves downwards, so that the auxiliary wheel 306 is driven to rotate, the auxiliary wheel 306 rotates to drive the sector gear 307 to rotate, so that the friction block 309 on the L-shaped rod 308 is driven to generate friction with the brake disc 2, because the brake disc 2 swings under the condition of bumping of the road surface, the friction block 309 can move left and right and rotate under the action of the supporting shaft 3091 and the adjusting spring 3092, so that the automobile can be constantly and tightly attached to the brake disc 2, the automobile is controlled at a limited speed, and after the original, the speed limit of the automobile is completed under the condition of no intervention in normal driving, and the driving safety of the automobile is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent malfunctioning insurance mechanism of car brake, includes engine shaft (1) and accelerator pedal (4), its characterized in that: the outer side of the engine shaft (1) is fixedly provided with a bolt (101), the outer side of the engine shaft (1) is fixedly provided with a brake disc (2), the left side of the brake disc (2) is fixedly provided with a brake mechanism (3), the inside of the brake mechanism (3) is fixedly provided with an electrorheological body (301), the lower part of the electrorheological body (301) is fixedly provided with a supporting spring (302), the inner side of the supporting spring (302) is movably provided with a connecting rod (303), the outer side of the connecting rod (303) is fixedly provided with a supporting rod (304), the lower part of the connecting rod (303) is fixedly provided with a straight gear (305), two sides of the straight gear (305) are connected with auxiliary wheels (306) in a meshing manner, the outer side of the auxiliary wheels (306) is connected with a sector gear (307) in a meshing manner, the lower part of the sector gear (307) is fixedly provided with an L, the outer side of an engine shaft (1) is fixedly provided with a separating disc (7), the inner part of the separating disc (7) is fixedly provided with a wire (701), the outer side of the wire (701) is fixedly provided with a control mechanism (9), the inner part of the control mechanism (9) is fixedly provided with a tension spring (901), the outer side of the tension spring (901) is fixedly provided with a metal block (902), two sides of the tension spring (901) are fixedly connected with a power line (903), the outer end of the power line (903) is fixedly provided with a separating mechanism (10), the inner part of the separating mechanism (10) is fixedly provided with a separating chamber (1001), the inner part of the separating chamber (1001) is fixedly provided with a separating electromagnet (1002), the upper end of the separating electromagnet (1002) is fixedly provided with a buffer spring (1003), the upper end of the buffer spring (1003) is fixedly provided with a mandril (1004, an annular magnet (801) is fixedly mounted inside the stabilizing disc (8), a bayonet (802) is formed in the annular magnet (801), an intervention electromagnet (5) is fixedly mounted below the accelerator pedal (4), and a reset spring (6) is fixedly mounted between the intervention electromagnets (5).

2. A safety mechanism for preventing brake failure of an automobile according to claim 1, wherein: the main materials of the electrorheological body (301) are gypsum, lime, carbon powder and olive oil, and the electrorheological body (301) is in a solid state under the electrified state with a fixed current amount and in a liquid state under the non-electrified state.

3. A safety mechanism for preventing brake failure of an automobile according to claim 1, wherein: a supporting shaft (3091) is fixedly installed inside the friction block (309), and an adjusting spring (3092) is fixedly installed on the inner side of the supporting shaft (3091).

4. A safety mechanism for preventing brake failure of an automobile according to claim 1, wherein: the two interference electromagnets (5) are electrified to generate opposite magnetism, and the magnetic repulsive force is larger than the acting force of the return spring (6).

5. A safety mechanism for preventing brake failure of an automobile according to claim 1, wherein: the control mechanism (9) and the separation mechanism (10) are uniformly distributed in a ring shape by taking the axis of the engine shaft (1) as a reference point.

6. A safety mechanism for preventing brake failure of an automobile according to claim 1, wherein: and the power line (903) is electrically connected with the intervention electromagnet (5) and the separation electromagnet (1002).