CN113280065B

CN113280065B - Embedded metal sheet emergency braking mechanism and working method thereof

Info

Publication number: CN113280065B
Application number: CN202110655997.4A
Authority: CN
Inventors: 项敬
Original assignee: Zhejiang Hulong Industry And Trade Co ltd
Current assignee: Zhejiang Hulong Industry And Trade Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-06-03
Anticipated expiration: 2041-06-11
Also published as: CN113280065A

Abstract

The invention discloses an embedded metal sheet emergency braking mechanism and a working method thereof, and the embedded metal sheet emergency braking mechanism comprises a brake pedal and a brake sheet mechanism arranged on the inner side of the brake pedal, wherein the brake sheet mechanism comprises a shell with an inner cavity structure, the top of the shell is provided with a plurality of first heat dissipation holes, the inner center of the shell is connected with a heat dissipation pipe along the length direction of the shell, the outer part of the heat dissipation pipe is elastically and rotatably connected with a plurality of first arc-shaped plates and second arc-shaped plates which are distributed in a staggered mode, the first arc-shaped plates and the second arc-shaped plates are respectively distributed on two sides of the heat dissipation pipe, the plurality of first arc-shaped plates and the plurality of second arc-shaped plates are connected into an integral component through arc-shaped connecting plates, and the arc-shaped connecting plates are connected with the side walls on two sides of the inner part of the shell along the length direction in a sliding fit mode. The emergency braking mechanism can cool the brake pad, and when the brake pad is worn to a certain thickness, the emergency braking mechanism has a warning function to inform a user of replacement.

Description

Embedded metal sheet emergency braking mechanism and working method thereof

Technical Field

The invention relates to the technical field of braking, in particular to an embedded metal sheet emergency braking mechanism and a working method thereof.

Background

At present, the braking of motor vehicles usually adopts brake pads to apply pressure to wheels, and the wheels are prevented from rotating by the generated friction force, so as to achieve the purpose of braking. However, heat is generated due to severe friction when the brake pad is in contact with a tire, if the heat on the brake pad cannot be timely dissipated, the brake pad can generate heat fading and ablation phenomena, once the brake pad generates heat fading, the brake pad can temporarily lose friction force, and the ablation is irreversible, so that the function of the brake pad can be directly lost, the service life of the brake pad is influenced, and the safe driving of a vehicle cannot be guaranteed, therefore, how to quickly dissipate the heat generated in the working process of the brake pad is especially important, and therefore, the invention provides the embedded metal pad emergency braking brake mechanism.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide an embedded metal plate emergency brake mechanism, which can cool the brake plate and warn the user to replace the brake plate when the brake plate is worn to a certain thickness.

The invention provides an embedded metal sheet emergency braking mechanism, which comprises a brake pedal and a brake sheet mechanism arranged on the inner side of the brake pedal, wherein the brake sheet mechanism comprises a shell with an inner cavity structure, the top of the shell is provided with a plurality of first heat dissipation holes, the inner center of the shell is connected with a heat dissipation pipe along the length direction of the shell, the outer part of the heat dissipation pipe is elastically and rotatably connected with a plurality of first arc-shaped plates and second arc-shaped plates which are distributed in a staggered manner, the first arc-shaped plates and the second arc-shaped plates are respectively distributed on two sides of the heat dissipation pipe, the plurality of first arc-shaped plates and the plurality of second arc-shaped plates are connected into an integrated component through arc-shaped connecting plates, the arc-shaped connecting plates are connected with the side walls of the two sides of the inner part of the shell along the length direction in a sliding fit manner, the bottoms of the plurality of first arc-shaped plates and the plurality of second arc-shaped plates are respectively and commonly connected with the heat dissipation plates to form two sealed spaces with the corresponding arc-shaped connecting plates, the bottom end of each radiating fin is fixedly connected with a brake pad.

Preferably, the mounting groove has been seted up to the brake pedal inboard, and a plurality of ventilation holes have all been seted up to the both sides of mounting groove, and inside the shell was fixed in the mounting groove to it has the clearance to reserve between the top of shell and the mounting groove.

Preferably, first arc and second arc all rotate through the bearing and cup joint on the cooling tube to the torsional spring is all installed to the rotation junction of first arc, second arc and cooling tube.

Preferably, set up the spacing spout with first arc, second arc looks adaptation on the inner wall both sides of shell respectively, first arc and second arc all with spacing spout sliding connection, the equal fixedly connected with stopper in top of first arc and second arc, set up the spacing groove of looks adaptation with it on the inside roof of shell.

Preferably, a plurality of second heat dissipation holes are formed in the circumferential surface of the heat dissipation pipe corresponding to the gap between the two brake pads.

Preferably, the ventilation pipe is arranged in the radiating fin in a penetrating mode along the length direction of the radiating fin, the conical grooves which are distributed annularly and take the ventilation pipe as the center are formed in the radiating fin and the brake pad, and the conical grooves are communicated with the inside of the ventilation pipe through holes formed in the ventilation pipe.

The invention also provides a working method of the embedded metal sheet emergency braking mechanism, which comprises the following steps: the brake mechanism is installed on a motor vehicle, when a wheel is braked, a brake pedal is stepped to drive a brake pad to rotate and enable the brake pad to be in contact with the wheel, the brake pad drives a first arc-shaped plate and a second arc-shaped plate to rotate through a limiting sliding groove, in the rotating process, gas in a shell is extruded into an installation groove through a first heat dissipation hole and is exhausted to the outside through a ventilation hole, when a limiting block enters the limiting sliding groove, the first arc-shaped plate and the second arc-shaped plate are limited, and heat generated by friction between the brake pad and the wheel is transferred into two sealed spaces through cooling fins; when the brake pedal is not stressed, the first arc-shaped plate and the second arc-shaped plate rotate to initial positions under the torsion action of the torsion spring, in the rotating process, external air flow is sucked into the shell from the ventilation holes and the first heat dissipation holes, the two sealed spaces are cooled, and then the heat dissipation pipe is cooled; meanwhile, when the brake block is in friction contact with the wheel, air flow generated by rotation of the wheel enters the radiating pipe, and heat generated by the radiating fins and the brake block is exchanged through the second radiating holes.

The beneficial effects of the invention are as follows:

(1) according to the brake pad mechanism, when a person treads a brake pedal, heat is generated when the brake pad and a wheel rub, the heat is transmitted to a sealed space formed by the first arc-shaped plate, the arc-shaped connecting plate, the radiating fin, the second arc-shaped plate, the arc-shaped connecting plate and the radiating fin through the radiating fin, when the brake pedal is not stressed, the first arc-shaped plate and the second arc-shaped plate can rotate to an initial position through the torsion force of the torsion spring, external air flow can be sucked into the shell from the ventilation hole and the first radiating hole due to the effect of the sealed space in the rotating process, the sealed space is cooled, and the brake pad is cooled.

(2) When the brake pad is seriously worn, particulate matters generated by friction enter the interior of the brake pad from the bottom end of the conical groove and are blocked, the vent pipe is changed into a straight-through hole from a variable cross-section hole, the air suction performance of the vent pipe is reduced, and the sound generated when air flow passes through the vent pipe is heard by a person due to no good sound absorption performance, so that the brake pad can play a warning role and inform the user of replacing the brake pad.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a first angle of an embedded metal sheet emergency braking mechanism according to the present invention;

FIG. 2 is a schematic view of a second angle of an embedded metal sheet emergency brake mechanism according to the present invention;

FIG. 3 is a schematic view of a half-section structure of an embedded metal sheet emergency braking mechanism according to the present invention;

FIG. 4 is a schematic structural view of a brake pad mechanism according to the present invention;

FIG. 5 is a schematic longitudinal sectional view of the brake pad mechanism of the present invention;

FIG. 6 is a schematic diagram of a transverse cross-sectional structure of the brake pad mechanism of the present invention;

FIG. 7 is a schematic view of the construction of a first arcuate plate and a second arcuate plate of the present invention;

FIG. 8 is a schematic view of the structure of the tapered slot of the present invention.

In the figure: 1. a brake pedal; 2. mounting grooves; 3. a vent hole; 4. a housing; 5. a first heat dissipation hole; 6. a radiating pipe; 7. a second heat dissipation hole; 8. a first arc-shaped plate; 9. a second arc-shaped plate; 10. a torsion spring; 11. a limiting block; 12. a limiting groove; 13. an arc-shaped connecting plate; 14. a limiting chute; 15. a heat sink; 16. a brake pad; 17. a vent pipe; 18. a through hole; 19. and (4) a tapered groove.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment discloses an embedded metal sheet emergency braking brake mechanism, including brake pedal 1 and install in the brake block mechanism of brake pedal 1 inboard, as the core technical scheme of this application, brake block mechanism in this application is as shown in fig. 1-7, shell 4 including inside cavity structure that is, a plurality of first louvres 5 have been seted up at shell 4's top, shell 4's inside center department is connected with cooling tube 6 along its length direction, cooling tube 6's outside elasticity rotates and is connected with first arc 8 and the second arc 9 of a plurality of staggered forms distribution, and first arc 8 and second arc 9 distribute respectively in cooling tube 6's both sides, second arc 9 of both sides in a plurality of second arc 9 wherein will be thick some, the purpose is for the length unanimous that constitutes with a plurality of first arc 8, all be connected into an organic whole through arc connecting plate 13 between a plurality of first arc 8 and a plurality of second arc 9 Formula component, arc connecting plate 13 is connected with the inside both sides lateral wall sliding fit along length direction of shell 4, the bottom of a plurality of first arcs 8 and a plurality of second arcs 9 is connected respectively jointly on fin 15 and forms two confined space with corresponding arc connecting plate 13, the bottom fixedly connected with brake block 16 of every fin 15, the heat that brake block 16 and wheel friction produced passes through fin 15 and transmits to in the confined space, and give off through the first louvre 5 at shell 4 top.

As shown in fig. 3, mounting groove 2 has been seted up to brake pedal 1 inboard, and a plurality of ventilation holes 3 have all been seted up to the both sides of mounting groove 2, and inside shell 4 in the brake block mechanism of this application was fixed in mounting groove 2 to reserve between the top of shell 4 and the mounting groove 2 and have the clearance, heat in the airtight space entered into this clearance through first louvre 5, and finally the ventilation hole 3 through the 2 both sides of mounting groove gives off to the external world.

As shown in fig. 6, in the present embodiment, the first arc-shaped plate 8 and the second arc-shaped plate 9 are both rotatably sleeved on the heat dissipation pipe 6 through bearings, and torsional springs 10 are installed at the rotational joints of the first arc-shaped plate 8, the second arc-shaped plate 9 and the heat dissipation pipe 6, so that when a person steps on the brake pedal 1, the person can drive the first arc-shaped plate 8 and the second arc-shaped plate 9 to rotate, and when the brake pad 16 is not stressed, the first arc-shaped plate 8 and the second arc-shaped plate 9 can be restored to the initial positions under the action of the torsional springs 10.

Equal fixedly connected with stopper 11 in top of first arc 8 and second arc 9, set up the spacing groove 12 with its looks adaptation on the inside roof of shell 4, after first arc 8 and second arc 9 rotate to certain angle, stopper 11 just in time inserts to form spacingly to first arc 8 and second arc 9 in the spacing groove 12, the area of contact of brake block 16 and wheel reaches the biggest this moment, in order to make stopper 11 can be accurate slip to spacing groove 12, set up respectively on the inner wall both sides of shell 4 with first arc 8, the spacing spout 14 of second arc 9 looks adaptation, first arc 8 and second arc 9 all with spacing spout 14 sliding connection, spacing spout 14 can be to first arc 8, the slip degree of freedom of second arc 9 forms the restriction.

As a preferred embodiment, in this embodiment, a plurality of second heat dissipation holes 7 are formed on the circumferential surface of the heat dissipation pipe 6 corresponding to the gap between the two brake pads 16, when the brake pads 16 are in frictional contact with the wheel, the airflow generated by the rotation of the wheel enters the heat dissipation pipe 6, and the heat generated by the heat dissipation fins 15 and the brake pads 16 exchanges heat through the second heat dissipation holes 7, so as to cool the brake pads 16.

In addition, as shown in fig. 4 and 8, the ventilation pipe 17 is arranged in the cooling fin 15 in a penetrating manner along the length direction, the conical grooves 19 which are annularly distributed by taking the ventilation pipe 17 as the center are formed in the cooling fin 15 and the brake pad 16, the conical grooves 19 are communicated with the inside of the ventilation pipe 17 through the through holes 18 formed in the ventilation pipe 17, due to the existence of the conical grooves 19, the ventilation pipe 17 is a variable cross-section hole, the acoustic resistance and the acoustic reactance of the variable cross-section hole are both smaller than those of a straight through hole, the sound absorption performance of the variable cross-section hole (the conical groove 19 in the invention) of the cross section of the conical hole is optimal, and the sound generated when the air flow passes through the ventilation pipe 17 is greatly reduced. The brake lining 16 is gradually reduced in thickness due to long-term wear, and the bottom end position of the tapered groove 19 is first rubbed. Because the brake block 16 can produce the particulate matter when rubbing with the wheel to make these particulate matters get into inside and block up from the bottom position of taper groove 19 in the friction process, because taper groove 19 is when wearing and after being filled with particulate matter, ventilation pipe 17 has become the through hole, the sound that produces when its air current passes through ventilation pipe 17, because do not have good sound absorption performance makes people hear this sound, play the warning effect and inform the user and change brake block 16.

The invention provides an embedded metal sheet emergency braking mechanism, which has the following working principle: the brake mechanism is installed on a motor vehicle, when a wheel is braked, a brake pedal 1 is stepped to drive a brake block 16 to rotate and enable the brake block 16 to be in contact with the wheel, the brake block 16 drives a first arc-shaped plate 8 and a second arc-shaped plate 9 to rotate through a limiting sliding groove 14, in the rotating process, gas in a shell 4 is extruded into an installation groove 2 through a first heat dissipation hole 5 and is exhausted to the outside through a ventilation hole 3, after a limiting block 11 enters a limiting groove 12, the first arc-shaped plate 8 and the second arc-shaped plate 9 are limited, and heat generated by friction between the brake block 16 and the wheel is transferred into two sealed spaces through a radiating fin 15; when brake pedal 1 is not atress, first arc 8 and second arc 9 rotate to initial position under torsional spring 10's torsion effect, and at rotatory in-process, the outside air current is followed ventilation hole 3 and first louvre 5 and is inhaled in shell 4, cools down two confined spaces, and then plays the cooling effect to brake block 16. Meanwhile, when the brake block 16 is in friction contact with the wheel, the air flow generated by the rotation of the wheel enters the radiating pipe 6, and the heat generated by the radiating fin 15 and the brake block 16 is exchanged through the second radiating hole 7. When a person can hear the sound generated by the airflow through the ventilation duct 17, it indicates that the brake pads 16 are worn seriously and the user needs to replace the brake pads 16.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. An embedded metal sheet emergency braking mechanism comprises a brake pedal (1) and a brake sheet mechanism arranged on the inner side of the brake pedal (1), and is characterized in that the brake sheet mechanism comprises a shell (4) with a cavity structure inside, a plurality of first radiating holes (5) are formed in the top of the shell (4), a radiating pipe (6) is connected to the center of the inside of the shell (4) along the length direction of the shell, a plurality of first arc-shaped plates (8) and second arc-shaped plates (9) distributed in a staggered manner are elastically and rotatably connected to the outside of the radiating pipe (6), the first arc-shaped plates (8) and the second arc-shaped plates (9) are respectively distributed on two sides of the radiating pipe (6), the first arc-shaped plates (8) and the second arc-shaped plates (9) are connected into an integrated component through arc-shaped connecting plates (13), the arc-shaped connecting plates (13) are connected with the side walls of two sides of the inside of the shell (4) along the length direction in a sliding fit manner, the bottoms of the first arc-shaped plates (8) and the second arc-shaped plates (9) are respectively and jointly connected to the radiating fins (15) and form two sealed spaces with the corresponding arc-shaped connecting plates (13), and the bottom end of each radiating fin (15) is fixedly connected with a brake pad (16).

2. The embedded metal sheet emergency braking mechanism according to claim 1, wherein the brake pedal (1) has an installation groove (2) formed therein, the installation groove (2) has a plurality of ventilation holes (3) formed therein at both sides thereof, the housing (4) is fixed inside the installation groove (2), and a gap is reserved between the top end of the housing (4) and the installation groove (2).

3. The embedded metal sheet emergency braking mechanism of claim 2, wherein the first arc-shaped plate (8) and the second arc-shaped plate (9) are rotatably sleeved on the heat dissipation pipe (6) through bearings, and torsion springs (10) are mounted at the rotating joints of the first arc-shaped plate (8), the second arc-shaped plate (9) and the heat dissipation pipe (6).

4. The embedded metal sheet emergency braking mechanism according to claim 1 or 3, wherein the two sides of the inner wall of the housing (4) are respectively provided with a limiting sliding groove (14) matched with the first arc-shaped plate (8) and the second arc-shaped plate (9), the first arc-shaped plate (8) and the second arc-shaped plate (9) are both connected with the limiting sliding groove (14) in a sliding manner, the top ends of the first arc-shaped plate (8) and the second arc-shaped plate (9) are both fixedly connected with a limiting block (11), and the top wall inside the housing (4) is provided with a limiting groove (12) matched with the top wall.

5. The embedded metal sheet emergency braking mechanism of claim 4, wherein the peripheral surface of the heat pipe (6) is provided with a plurality of second heat dissipation holes (7) corresponding to the gap between the two brake sheets (16).

6. The embedded metal sheet emergency braking mechanism according to any one of claims 1 to 3 and 5, wherein the cooling fins (15) are internally provided with ventilation pipes (17) in a penetrating manner along the length direction thereof, conical grooves (19) which are annularly distributed by taking the ventilation pipes (17) as the center are formed in the cooling fins (15) and the brake sheets (16), and the conical grooves (19) are communicated with the inside of the ventilation pipes (17) through holes (18) formed in the ventilation pipes (17).

7. A method of operating an embedded sheet metal emergency brake mechanism as claimed in claim 6, the method comprising: the brake mechanism is installed on a motor vehicle, when a wheel is braked, a brake pedal (1) is stepped to drive a brake pad (16) to rotate and enable the brake pad to be in contact with the wheel, the brake pad (16) drives a first arc-shaped plate (8) and a second arc-shaped plate (9) to rotate through a limiting sliding groove (14), in the rotating process, gas inside a shell (4) is extruded into a mounting groove (2) through a first heat dissipation hole (5) and is discharged to the outside through a ventilation hole (3), when a limiting block (11) enters a limiting groove (12), the first arc-shaped plate (8) and the second arc-shaped plate (9) are limited, and heat generated by friction between the brake pad (16) and the wheel is transmitted into two sealed spaces through a radiating fin (15); when the brake pedal (1) is not stressed, the first arc-shaped plate (8) and the second arc-shaped plate (9) rotate to the initial positions under the torsion action of the torsion spring (10), in the rotating process, external air flow is sucked into the shell (4) from the ventilation holes (3) and the first heat dissipation holes (5), the two sealed spaces are cooled, and then the heat dissipation pipe (6) is cooled; meanwhile, when the brake block (16) is in friction contact with the wheel, air flow generated by rotation of the wheel enters the radiating pipe (6), and heat generated by the radiating fin (15) and the brake block (16) is exchanged through the second radiating hole (7).