CN217029744U

CN217029744U - Disc type double-brake automobile brake device

Info

Publication number: CN217029744U
Application number: CN202221043368.2U
Authority: CN
Inventors: 荣明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-07-22
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a disc type double-brake automobile brake device, and relates to the field of automobile brakes. The device comprises a brake disc and two brake calipers; the brake disc is provided with a plurality of radiating grooves and a plurality of radiating holes; the brake caliper comprises a first caliper body and a second caliper body, wherein the first caliper body and the second caliper body are distributed on two sides of a brake disc, the first caliper body and the second caliper body are respectively provided with a brake pad for friction braking with the brake disc, the first caliper body is provided with a hydraulic oil cavity, a piston is arranged in the hydraulic oil cavity and communicated with a hydraulic oil pipe, the brake pad is arranged at one end, away from the hydraulic oil pipe, of the piston, the first caliper body is connected with an axle through a guide pin, the first caliper body is in sliding fit with the guide pin, and a reset assembly is arranged between the first caliper body and the axle. The utility model can obtain better braking effect when needing short-distance braking, reduces the associated damage caused by short-time braking, and has more reliable and stable braking performance.

Description

Disc type double-brake automobile brake device

Technical Field

The utility model relates to the field of automobile brakes, in particular to a disc type double-brake automobile brake device.

Background

A brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member (or a moving machine), and is a mechanical component that stops or decelerates a moving member in a machine, and is commonly referred to as a brake or a gate. The brake mainly comprises a brake frame, a brake part, an operating device and the like, and some brakes are also provided with an automatic adjusting device of brake part clearance. Friction brakes are mostly adopted in the current automobiles, the friction brakes generate braking torque by utilizing the friction between a fixed element and a working surface of a rotating element, meanwhile, the brakes can be divided into wheel brakes and central brakes according to different installation positions, and the brakes of the rotating element fixed on wheels or half shafts are called as wheel brakes; the brake with the rotating element fixed to the drive shaft of the transmission system is then called central brake. The wheel brake is generally used for service braking, and also can be used for emergency braking and parking braking; the central brake is generally used only for parking brake and retarder brake. Friction brakes can be classified into drum type and disc type according to the rotating element. The rotary element in the drum brake friction pair is a brake drum, and the cylindrical surface of the brake drum is used as a working surface; the rotating element in the disk brake friction pair is a disk-shaped brake disk, and the end surface of the disk-shaped brake disk is used as a working surface. The caliper disc brake is a brake device in which a piston is driven by hydraulic pressure from a master pump to press a brake pad (disposed on the outer side of a brake disc) on a caliper against both sides of the brake disc, and kinetic energy (mechanical energy) is converted into thermal energy by friction between the brake pad and the brake disc to decelerate or stop a vehicle.

At present along with the development of automotive technology, when the speed of a motor vehicle is faster and faster, we are also stopping faster in the research, under the situation that the car goes at high speed, not only can lead to friction brake's friction disc wearing and tearing too fast when braking, seriously influence friction disc life, the car quality is big more, the braking torque of requirement is also big more, current braking mode adopts one-way drive mostly, lead to the friction disc to be in under the effect of considerable axial braking power for a long time, cause braking duration long, brake performance poor.

In summary, we propose a disc type double-brake automobile brake device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a disc type double-brake automobile brake device which can obtain a better brake effect when short-distance braking is required, reduce associated damage caused by short-time braking and ensure more reliable and stable brake performance.

The embodiment of the utility model is realized by the following steps:

the embodiment of the application provides a disc type double-brake automobile brake device, which comprises a brake disc and two brake calipers;

the side wall of the brake disc is provided with a plurality of radiating grooves, and the brake disc is provided with a plurality of radiating holes;

the brake caliper comprises a first caliper body and a second caliper body, wherein the first caliper body and the second caliper body are distributed on two sides of the brake disc, each of the first caliper body and the second caliper body is provided with a brake pad for friction braking with the brake disc, the first caliper body is provided with a hydraulic oil cavity, a piston is arranged in the hydraulic oil cavity and communicated with a hydraulic oil pipe, one end, away from the hydraulic oil pipe, of the piston is provided with the brake pad, the first caliper body is connected with an axle through a guide pin, the first caliper body is in sliding fit with the guide pin, and a reset assembly is arranged between the first caliper body and the axle.

In some embodiments of the present invention, the return assembly includes a plurality of return springs disposed around the guide pin, and one end of each of the return springs is connected to the axle and the other end is connected to the first caliper body.

In some embodiments of the present invention, the number of the return springs is four, and the return springs are distributed around the guide pin in a rectangular shape.

In some embodiments of the present invention, the hydraulic oil chamber has a cylindrical shape, and an axial direction of the hydraulic oil chamber is perpendicular to the brake pad.

In some embodiments of the present invention, an annular groove is formed in an inner side wall of the hydraulic oil chamber, and a seal member is disposed in the annular groove and abuts against the piston.

In some embodiments of the present invention, the first caliper body is provided with a dust cover.

In some embodiments of the present invention, the brake disc is provided with a friction disc, and the second caliper body is provided with a corresponding friction disc.

In some embodiments of the utility model, a distance between the friction plate and the friction disc is greater than a distance between the brake plate and the brake disc.

In some embodiments of the present invention, the friction plate is a powder metallurgy plate.

In some embodiments of the present invention, the brake caliper is provided with a ventilation groove, the ventilation groove is located between the first caliper body and the second caliper body, and a plurality of reinforcing rods are disposed in the ventilation groove.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

a disc type double-brake automobile brake device comprises a brake disc and two brake calipers;

the brake caliper comprises a first caliper body and a second caliper body, the first caliper body and the second caliper body are distributed on two sides of the brake disc, brake pads used for performing friction braking with the brake disc are arranged on the first caliper body and the second caliper body, a hydraulic oil cavity is formed in the first caliper body, a piston is arranged in the hydraulic oil cavity and communicated with a hydraulic oil pipe, the brake pads are arranged at one ends, away from the hydraulic oil pipe, of the pistons, the first caliper body is connected with an axle through guide pins, the first caliper body is in sliding fit with the guide pins, and a reset assembly is arranged between the first caliper body and the axle.

In the utility model, when braking, along with the stepping of a brake pedal, hydraulic oil in an automobile master cylinder enters a hydraulic oil chamber through a hydraulic oil pipe, a piston is pushed under high oil pressure and pressurizes a brake pad of a first caliper body to enable the brake pad of the first caliper body to be pressed against the disc surface of a brake disc, when a friction plate of the first caliper body cannot move continuously towards the direction of the brake disc, a brake caliper moves back along a guide pin under the reaction force, in the process of moving back, the brake pad of a second caliper body presses against the brake disc and is pressed against the brake disc, at the moment, the brake pads of the first caliper body and the second caliper body form clamping force on the brake disc to realize friction braking, the brake disc is fixedly connected with an automobile hub, so that the braking of a vehicle is realized, a resetting component can quickly perform fine adjustment resetting after the braking is finished, the abrasion of the brake pad when the braking is not needed is avoided, and two groups of brake calipers are arranged on the brake disc, a good short-distance braking effect can be obtained. The utility model can obtain better braking effect when needing short-distance braking, reduces the associated damage caused by short-time braking, and has more reliable and stable braking performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a side view of an embodiment of the present invention;

FIG. 3 is a schematic illustration of the connection between a brake caliper and a brake disc according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a brake caliper according to an embodiment of the present invention.

An icon: 1. a brake disc; 2. a brake caliper; 3. a heat sink; 4. heat dissipation holes; 5. a first caliper body; 6. a second caliper body; 7. a brake pad; 8. a hydraulic oil chamber; 9. a piston; 10. a hydraulic oil pipe; 11. a guide pin; 12. an axle; 13. a return spring; 14. a seal member; 15. a dust cover; 16. a friction disk; 17. a friction plate; 18. a ventilation slot; 19. and a reinforcing rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not require that the components be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 4, the present embodiment provides a disc type dual-brake automobile brake device, which includes a brake disc 1 and two brake calipers 2;

the side wall of the brake disc 1 is provided with a plurality of radiating grooves 3, and the brake disc 1 is provided with a plurality of radiating holes 4;

the brake caliper 2 includes a first caliper body 5 and a second caliper body 6, the first caliper body 5 and the second caliper body 6 are distributed on two sides of the brake disc 1, the first caliper body 5 and the second caliper body 6 are both provided with brake pads 7 for friction braking with the brake disc 1, the first caliper body 5 is provided with a hydraulic oil chamber 8, a piston 9 is arranged in the hydraulic oil chamber 8, the hydraulic oil chamber 8 is communicated with a hydraulic oil pipe 10, one end of the piston 9 away from the hydraulic oil pipe 10 is provided with the brake pads 7, the first caliper body 5 is connected with an axle 12 through a guide pin 11, the first caliper body 5 is in sliding fit with the guide pin 11, and a reset assembly is arranged between the first caliper body 5 and the axle 12.

In the utility model, when braking, along with the stepping of a brake pedal, hydraulic oil in an automobile master cylinder enters a hydraulic oil chamber 8 through a hydraulic oil pipe 10, a piston 9 is pushed under high oil pressure and pressurizes a brake pad 7 of a first caliper body 5, so that the brake pad 7 of the first caliper body 5 is pressed against the disc surface of a brake disc 1, when a friction plate 17 of the first caliper body 5 cannot move towards the brake disc 1 continuously, a brake caliper 2 moves back along a guide pin 11 under reaction force, in the process of moving back, the brake pad 7 of a second caliper body 6 is pressed against the brake disc 1 and is pressed, at the moment, the brake pads 7 of the first caliper body 5 and the second caliper body 6 form clamping force on the brake disc 1, so that friction braking is realized, the brake disc 1 is fixedly connected with an automobile hub, so that the braking of a vehicle is realized, and a resetting component can be reset quickly after fine adjustment is finished, the abrasion of the brake pads 7 when the brake is not needed is avoided, and the brake caliper 1 is provided with two groups of the brake calipers 2, so that a good short-distance brake effect can be obtained. The utility model can obtain better braking effect when needing short-distance braking, reduces the associated damage caused by short-time braking, and has more reliable and stable braking performance.

It should be noted that, while a better short-distance braking effect is obtained, the requirement for the heat dissipation performance of the brake disc 1 is correspondingly improved, the plurality of heat dissipation grooves 3 formed at intervals on the side wall of the brake disc 1 and the plurality of heat dissipation holes 4 penetrating through the disc body of the brake disc 1 can increase the air flow, a better heat dissipation effect is obtained, the brake disc 1 and the brake pad 7 are prevented from being overheated to influence the braking effect, and the hydraulic oil pipes 10 of the two brake calipers 2 are both connected to a master cylinder.

In some embodiments of the present invention, the return assembly includes a plurality of return springs 13 disposed around the guide pin 11, one end of each of the return springs 13 is connected to the axle 12, and the other end is connected to the first caliper body 5.

In the above embodiment, when the brake is released, after the pressure of the oil line system is relieved, all parts of the brake system will rebound to the original position, the power source for recovering the position is generally the rebound force of the parts subjected to compression, stretching and bending deformation, firstly, the parts with large rigidity value rebound, such as the piston 9, the mounting plate, the caliper body and the brake disc 1 of the brake pad 7, and the return spring 13 can accelerate the resetting process, so that the brake pad 7 can still be quickly reset under the condition that the performance of part of the rebound parts is reduced, the continuous running after the brake is not influenced, and the unnecessary abrasion of the brake pad 7 is reduced.

In some embodiments of the present invention, the number of the return springs 13 is four, and the return springs are distributed around the guide pin 11 in a rectangular shape.

In the above embodiment, the four centrally symmetric return springs 13 can provide a more stable and balanced rebound force to assist the resetting of the brake caliper 2, and the situation that the rebound effect is affected due to the fact that the joint action direction of a plurality of rebound forces is not unified with the axial direction of the guide pin 11 is avoided.

In some embodiments of the present invention, the hydraulic oil chamber 8 is cylindrical, and an axial direction of the hydraulic oil chamber 8 is perpendicular to the brake pad 7.

In the above embodiment, the cylindrical design of the hydraulic oil chamber 8 facilitates the sliding of the piston 9 therein, and the axial direction of the hydraulic oil chamber 8 is perpendicular to the brake pad 7, so that the application direction of the piston 9 when being subjected to the oil pressure of the hydraulic system is perpendicular to the brake disc 1, and the corresponding force transmitted to the brake pad 7 is also perpendicular, thereby obtaining better braking effect.

In some embodiments of the present invention, an annular groove is formed on an inner side wall of the hydraulic oil chamber 8, a sealing member 14 is disposed in the annular groove, and the sealing member 14 abuts against the piston 9.

In the above embodiment, the sealing member 14 is a rubber sealing ring, and the rubber sealing ring is embedded in the annular groove to prevent the hydraulic oil from leaking.

In some embodiments of the present invention, the first caliper body 5 is provided with a dust cover 15.

In the above embodiment, the dust cover 15 is in a ring shape and is disposed around the piston 9 and fixed on the side of the first caliper body 5 facing the brake disc 1 without affecting the movement of the piston 9, and the dust cover 15 is used for reducing the dust deposition on the piston 9 in the non-operating state of the present invention.

In some embodiments of the present invention, the brake disc 1 is provided with a friction disc 16, and the second caliper body 6 is correspondingly provided with a friction disc 17.

In the above embodiment, when the friction disc 16 and the friction disc 17 are both made of materials with high friction coefficients, the friction disc 16 and the friction disc 17 are designed to be positioned closer to the axis of the brake disc 1, because the brake caliper 2 and the brake pad 7 are designed, the contact position of the brake pad 7 and the brake disc 1 is closer to the outer side of the brake disc 1, so that a larger effective braking radius is obtained, and a larger braking torque is obtained. The combination of the friction disc 16 and the friction plate 17 can provide effective braking effect for braking process when the abrasion degree of the brake plate 7 is high, and increase the driving safety.

In some embodiments of the utility model, the distance between the friction plate 17 and the friction disc 16 is greater than the distance between the brake plate 7 and the brake disc 1.

In the above embodiment, the friction disc 16 and the friction disc 17 are components for supplementing the braking effect when the braking effect of the brake disc 7 is insufficient, and the distance between the friction disc 17 and the friction disc 16 is greater than the distance between the brake disc 7 and the brake disc 1, so that the wear of the friction disc 17 when the braking effect of the brake disc 7 is good can be avoided, and when the wear degree of the friction disc 17 reaches a certain degree, the friction disc 17 and the friction disc 16 can provide the braking effect when braking, and meanwhile, the friction disc 16 and the friction disc 17 can give out noise to remind a user when providing the braking effect through the selection of different materials of the friction disc 17 and the friction disc 16, so that the subsequent driving safety is ensured.

In some embodiments of the present invention, the friction plate 17 is a powder metallurgy plate.

In the above embodiment, the powder metallurgy friction material, also called as a sintered friction material, is formed by mixing, pressing and sintering iron-based and copper-based powder materials at a high temperature, is suitable for braking and transmission at a higher temperature, has the characteristics of high friction coefficient and large braking noise, can be used as an auxiliary brake component when the brake pad 7 is worn to a certain degree by matching with reasonable distance between the friction pad 17 and the friction disc 16 and reasonable distance between the brake pad 7 and the brake disc 1, provides another stable and rapid braking mode for special situations, and when the friction pad 17 is used for braking, the friction pad 17 can play an effective reminding effect due to the particularity of the material, so that a user can conveniently judge and timely replace the brake pad 7.

In some embodiments of the present invention, the brake caliper 2 is formed with a ventilation groove 18, the ventilation groove 18 is located between the first caliper body 5 and the second caliper body 6, and a plurality of reinforcement bars 19 are disposed in the ventilation groove 18.

In the above embodiment, the ventilation slots 18 can increase the air flow efficiency during the driving of the automobile, so as to obtain a better heat dissipation effect, and the reinforcing rods 19 can increase the overall stability of the brake caliper 2, thereby reducing the negative effects caused by the ventilation slots 18.

In summary, the embodiment of the present invention provides a disc type dual-brake automobile brake device, which at least has the following technical effects:

The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A disc type double-brake automobile brake device is characterized by comprising a brake disc and two brake calipers;

the brake caliper comprises a first caliper body and a second caliper body, the first caliper body and the second caliper body are distributed on two sides of a brake disc, a brake pad used for friction braking with the brake disc is arranged on each of the first caliper body and the second caliper body, a hydraulic oil cavity is formed in the first caliper body, a piston is arranged in the hydraulic oil cavity and communicated with a hydraulic oil pipe, the brake pad is arranged at one end, away from the hydraulic oil pipe, of the piston, the first caliper body is connected with an axle through a guide pin, the first caliper body is in sliding fit with the guide pin, and a reset assembly is arranged between the first caliper body and the axle.

2. The disc type dual-brake automobile brake device according to claim 1, wherein the return assembly includes a plurality of return springs disposed around the guide pin, one end of the return springs being connected to the axle and the other end thereof being connected to the first caliper body.

3. The brake rigging of a disc-type dual-brake vehicle, according to claim 2, wherein the number of return springs is four and the return springs are arranged in a rectangular pattern around the guide pin.

4. The disc type dual-brake automobile brake device as claimed in claim 1, wherein the hydraulic oil chamber is cylindrical and has an axial direction perpendicular to the brake pad.

5. The disc type double-brake automobile brake device as claimed in claim 4, wherein the inner side wall of the hydraulic oil chamber is provided with an annular groove, a sealing member is arranged in the annular groove, and the sealing member abuts against the piston.

6. The brake rigging of a disc-type dual brake vehicle, according to claim 5, wherein the first caliper body is provided with a dust cover.

7. The brake apparatus of claim 1, wherein the brake disc is provided with a friction disc, and the second caliper body is correspondingly provided with a friction disc.

8. The disc dual brake vehicle brake assembly of claim 7, wherein the distance between the friction plate and the friction disc is greater than the distance between the brake pad and the brake disc.

9. The disc type dual brake automobile brake device according to claim 7, wherein the friction plate is a powder metal plate.

10. The disc type double-brake automobile brake device according to claim 1, wherein the brake caliper is provided with a ventilation groove, the ventilation groove is located between the first caliper body and the second caliper body, and a plurality of reinforcing rods are arranged in the ventilation groove.