WO2021035594A1

WO2021035594A1 - Brake disc anti-lock structure

Info

Publication number: WO2021035594A1
Application number: PCT/CN2019/103169
Authority: WO
Inventors: 刘安盛
Original assignee: 刘安盛
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2021-03-04

Abstract

A brake disc anti-lock structure. A brake disc (10) is provided with multiple hollow parts (11); an annular stop region (12) corresponding to a friction surface (21) of a brake pad (20) is formed on the brake disc (10) near the periphery; the stop region (12) comprises several clamped regions (121) which have a specific area and can be flatly attached to the friction surface (21) of the brake pad (20), and several interval regions (122) having reduced diameters with respect to the several clamped regions (121); the surfaces of both sides of the interval region (122) are covered with a metal dissimilar material (1221) having a low friction coefficient; the surfaces of both sides of the brake disc (10) are provided, on at least the same adjacent side of the several interval regions (122) and the several clamped regions (121), with grooves (123) along the height of the interval regions (122), and the corner of the groove (123) is provided with a concave arc-shaped guide surface (1231). In this way, a two-wheeled vehicle can implement intermittent braking having continuous cyclic contact and release during braking, thereby preventing wheel lock in a sudden braking state, and also improving the substantial safety effect during riding.

Description

Anti-locking structure of brake disc

Technical field

The invention relates to a brake disc structure, in particular to a brake disc anti-lock structure that can prevent the wheels of two-wheeled vehicles such as bicycles and motorcycles from locking up during braking.

Background technique

The currently known disc brakes are mainly designed to lock a built-in caliper on the fork of a two-wheeled vehicle such as bicycles and motorcycles. The caliper is provided with a set of brake pistons driven by oil pressure, and can be pushed and translated by the brake pistons. The two brake pads, through the connection of the hydraulic pipe, transmit the pressure to the brake piston when the brake handle is pressed, and the extension of the piston can be locked on the axle center of the wheel by the pair of brake pads. The brake disc is braked.

However, although the above-mentioned disc brake has the effect of fast and accurate braking, there are still the following problems in practical applications: (1) When two-wheeled vehicles such as bicycles or motorcycles are on a downhill section or In the process of high-speed driving, if an emergency braking occurs due to an emergency, the strong clamping stress exerted by the brake pads on the surface of the brake disc will prompt the wheels in high-speed rotation to brake suddenly in a very short time. This kind of brake lock state will cause bicycles, motorcycles and riders to overturn and fall due to imbalance, which is still a major drawback in terms of safety; (2) The brake pads will continue to engage with the brakes when braking. The surface of the disc is tightly clamped and rubbed at high speed. This will easily cause the brake pads to change or wear out due to the high temperature of friction.

Therefore, in view of this, the inventors have thought and created the idea, and designed it with many years of experience, and after many discussions and trial samples, as well as several modifications and improvements, came out the present invention.

Summary of the invention

Technical problems to be solved:

It is known that the disc brake is likely to cause the wheels to lock up in a sudden braking state, and this is a technical problem to be solved.

Technical features to solve the problem:

In the brake disc anti-locking structure of the present invention, the brake disc is provided with a plurality of hollow parts, and an annular stop zone corresponding to the friction surface of the brake pad is formed on the brake disc near the periphery. The stop zone It includes several clamped areas with a specific area that can be flat against the friction surface of the brake pad, and several intermittent areas arranged with reduced diameters relative to the several clamped areas. The surfaces of both sides of the intermittent area are Coated with a metal dissimilar material with a low friction coefficient, the intermittent areas and the clamped areas are arranged in a staggered manner, so that each clamped area can be adjacent to an intermittent area and surround the brake disc The disc surface, both sides of the brake disc are formed with a groove arranged along the height of the intermittent zone on at least the same adjacent side of the plurality of intermittent zones and the plurality of clamped zones And the corner of the groove is provided with a concave arc-shaped guide surface. With the setting of the guide surface, the brake disc can be abraded in the clamped area due to the frequent clamping of the brake. When there is a high and low drop between the clamping zone and the intermittent zone, the brake pad is smoothly guided from the clamped zone through the intermittent zone to avoid the formation of high and low drops between the clamped zone and the intermittent zone. The brake disc can no longer be used normally, or it may improperly impact the high and low drop during the clamping process; thereby forming the anti-locking structure of the brake disc.

Compare the efficacy of the previous technology:

(1) The anti-locking structure of the brake disc of the present invention utilizes the cooperation of the clamped area and the intermittent area with low friction coefficient to produce continuous cycled intermittent brakes on two-wheeled vehicles such as bicycles or motorcycles. In addition to preventing the wheels from locking up in a sudden braking state, it also has the substantial effect of improving safety during riding.

(2) The anti-locking structure of the brake disc of the present invention utilizes the separation of metal dissimilar materials to allow the brake pads to produce a low friction coefficient clamping on the metal dissimilar materials, which will help the The temperature of the brake pad is lowered and its wear is slowed down, so that the brake pad can be used more durable to meet the expectations of consumers.

(3) In the anti-locking structure of the brake disc of the present invention, the intermittent zone is matched with the metal heterogeneous material to be arranged in a reduced diameter relative to the clamped zone. The smaller area of contact makes the brake pads more smooth And pass the intermittent zone without resistance.

(4) The anti-locking structure of the brake disc of the present invention, which utilizes the arrangement of the groove and the guide surface, can smoothly guide the brake pad from the clamped area when the clamped area is worn Through the intermittent zone, to avoid a high and low drop between the two, the brake disc can no longer be used normally, so that the service life of the brake disc can be effectively extended, and It can avoid improper impact and noise during subsequent use.

Description of the drawings

Figure 1 is a perspective view of the present invention.

Figure 2 is a partial enlarged view of the intermittent zone in the present invention.

Figure 3 is a plan view of the present invention.

Fig. 4 is a cross-sectional view of the present invention along the line A-A in Fig. 3.

Fig. 5 is a diagram showing the state of clamping brake on the clamped area according to the present invention.

Fig. 6 is a diagram of the use state of the friction surface of the brake pad sliding over the metal dissimilar material during braking of the present invention.

Fig. 7 is a diagram showing the state where the brake disc with high and low drop is rotated toward the direction of the brake pads according to the present invention.

Fig. 8 is a state diagram of the present invention using a guide surface as a guide.

Fig. 9 is a partial enlarged view of another preferred embodiment of the present invention.

Explanation of symbols in the drawings:

10 Brake discs; 11 hollow parts; 12 stop areas; 121 clamped areas; 1211 heat dissipation holes; 122 intermittent areas; 1220 depressions; 1221 metal heterogeneous materials; 123 grooves; 1231 guide surfaces; 20 brake pads; 21 Friction surface.

detailed description

In order to have a further understanding and understanding of the purpose, features and effects of the present invention, please follow the detailed description below with the drawings:

As shown in Figures 1 to 4, the present invention provides a brake disc anti-locking structure. The brake disc 10 is provided with a plurality of hollow parts 11, and a corresponding brake is formed on the brake disc 10 near the periphery. The annular stop area 12 of the friction surface 21 of the sheet 20 includes a plurality of clamped areas 121 having a specific area and capable of being flat against the friction surface 21 of the brake pad 20, and a plurality of The plurality of intermittent regions 121 are intermittent regions 122 with reduced diameters. Both sides of the intermittent region 122 are covered with metal foreign materials 1221 with low friction coefficient. The intermittent regions 122 and the plurality of intermittent regions 122 are The staggered arrangement of the clamping areas 121 enables each clamping area 121 to be adjacent to an intermittent area 122 and ring around the surface of the brake disc 10, and at least one heat dissipation hole 1211 penetrates through each clamping area 121, Both sides of the brake disc 10 are formed on at least the same adjacent side of the plurality of intermittent areas 122 and the plurality of clamped areas 121 along the height of the intermittent area 122. The concave groove 123, and the corner of the concave groove 123 is provided with a concave arc-shaped guide surface 1231. With the guide surface 1231, the brake disc 10 can be braked in the brake disc 10 due to frequent clamping of the clamping area 121 When abrasion occurs and a high and low drop is formed between the clamped area 121 and the intermittent area 122, the brake pad 20 is smoothly guided from the clamped area 121 through the intermittent area 122 to avoid this There is a high and low drop between the two, even if the brake disc 10 can no longer be used normally, it may improperly impact the high and low drop during the braking process.

The present invention provides an anti-locking structure for a brake disc, wherein a recess 1220 is formed on the surface of the intermittent area 122, and the recess 1220 is used to provide the metal heterogeneous material 1221 for covering and filling.

The present invention provides an anti-locking structure for a brake disc, wherein the metal heterogeneous material 1221 is coated on the intermittent zone 122 by electroplating.

The present invention provides an anti-locking structure for a brake disc, wherein the metal dissimilar material 1221 with a low friction coefficient is preferably titanium.

The present invention provides an anti-locking structure for a brake disc, wherein the metal dissimilar material 1221 with a low friction coefficient is preferably Teflon.

The present invention provides an anti-locking structure for a brake disc, wherein the guide surface 1231 of the concave groove 123 is arranged at a corner adjacent to the intermittent zone 122.

The present invention provides an anti-locking structure for a brake disc, wherein the guide surface 1231 is provided at the corners on both sides of the concave groove 123.

The present invention provides an anti-locking structure for a brake disc, wherein the concave groove 123 is arranged in an arc shape.

The present invention provides an anti-locking structure for a brake disc, wherein the brake disc 10 is overlapped after being placed on a jig, so that the groove 123 can be reserved along the jig with a tool The machining path is smoothly cut out.

The present invention provides an anti-locking structure for a brake disc, wherein the groove 123 is directly arranged at the adjacent junction of the intermittent zone 122 and the clamped zone 121 (please also refer to Figures 1 to 8 Show).

The present invention provides an anti-locking structure for a brake disc, wherein the groove 123 is provided at the adjacent junction of the intermittent zone 122 and the clamped zone 121, a section deviating from the intermittent zone 122. (Please also be shown in Fig. 9), so that the groove 123 can be separated from the adjacent junction of the intermittent zone 122 and the clamped zone 121 by an appropriate distance, and this distance provides continuous wear, so that The removal of the clamped area 121 and the intermittent area 122 by the brake pad 20 can stop at the concave groove 123.

With the above structure, when the friction surface 21 of the brake pad 20 is clamped on the stop area 12 on the surface of the brake disc 10 in a rotating state, the friction surface 21 of the brake pad 20 will use the clamping area of the brake disc 10 121 and the intermittent zone 122 correspond to the cyclic displacement in sequence, so that the brake pad 20 can first generate a high friction stop stress on the clamped zone 121 (please also show in Figure 5), and then pass smoothly in a smooth and relaxed posture Low-friction metal dissimilar material 1221 (please also show in Figure 6) to form an intermittent brake with continuous cycle point release. Through this structural design, it can achieve stable brake stop and anti-sudden brake lockup. The substantial benefit of safety in use, when the brake disc 10 is worn out due to frequent clamping of the clamping zone 121, and a high and low drop is formed between the clamping zone 121 and the intermittent zone 122, The setting of the guide surface 1231 can be used to smoothly guide the brake pad 20 from the clamped area 121 through the intermittent area 122 (please also continuously match from FIG. 7 to FIG. 8) to avoid the two There is a high and low drop between them, even if the brake disc 10 can no longer be used normally, it may improperly impact the high and low drop during the braking process.

The anti-locking structure of the brake disc has the following advantages: (1) It utilizes the cooperation of the clamped area 121 and the intermittent area 122 with low friction coefficient to produce continuous circulation points on two-wheeled vehicles such as bicycles or motorcycles. The released intermittent brakes, in addition to preventing wheel locks under sudden braking conditions, have the substantial effect of improving safety during riding; (2) It uses the separation of the metal heterogeneous material 1221 to keep the brake pads 20 The clamping system with a low coefficient of friction on the metal heterogeneous material 1221 will help to cool the brake pad 20 and reduce its wear, so that the brake pad 20 can be used more durable to meet the needs of consumers. The expectation; (3) The intermittent zone 122 matched with the metal heterogeneous material 1221 is arranged in a reduced diameter relative to the clamped zone 121. The smaller area of contact enables the brake pad 20 to be smoother and less resistant (4) It uses the arrangement of the groove 123 and the guide surface 1231 to smoothly guide the brake pad 20 from the clamped area 121 when the clamped area 121 is worn. The zone 121 passes through the intermittent zone 122 to avoid a high and low drop between the two, so that the brake disc 10 can no longer be used normally, so that the service life of the brake disc 10 can be obtained. Effectively extend, and can avoid improper impact and noise during subsequent use. Therefore, the anti-locking structure of the brake disc of the present invention has industrial applicability.

The foregoing is only a preferred embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention; that is, all equal changes and modifications made according to the scope of the patent application of the present invention shall still belong to the patent of the present invention. Covered range.

Claims

An anti-locking structure for brake discs, in which:

The brake disc is provided with a plurality of hollow parts, and an annular stop zone corresponding to the friction surface of the brake pad is formed near the periphery of the brake disc. The clamping area where the friction surface of the brake pad is flatly attached, and a number of intermittent areas arranged with reduced diameters relative to the plurality of clamping areas, and both surfaces of the intermittent area are coated with a metal with a low friction coefficient. The quality material is arranged in a staggered manner between the intermittent areas and the clamped areas, so that each clamped area can be adjacent to an intermittent area and ringed on the surface of the brake disc. On at least the same adjacent side of the plurality of intermittent areas and the plurality of sandwiched areas, both sides of the surface of the intermittent area are formed with a groove arranged along the height of the intermittent area, and the corner of the groove is A concave arc-shaped guide surface is provided. When there is a high and low drop between the clamped area and the intermittent section, the guide surface can guide the brake pad to smoothly pass from the clamped area through the intermittent Area.
The brake disc anti-locking structure of claim 1, wherein at least one heat dissipation hole penetrates through each of the clamped areas.
The brake disc anti-locking structure of claim 1, wherein a recess is formed on the surface of the intermittent zone, and the recess is used to provide the metal heterogeneous material for covering and filling.
The brake disc anti-locking structure according to claim 1 or 3, wherein the metal heterogeneous material is coated on the intermittent zone by electroplating.
The brake disc anti-locking structure according to claim 1, wherein the metal dissimilar material with a low friction coefficient is titanium.
The brake disc anti-locking structure according to claim 1, wherein the metal dissimilar material with a low friction coefficient is Teflon.
The brake disc anti-locking structure according to claim 1, wherein the guide surface of the groove is arranged at a corner adjacent to the intermittent zone.
The brake disc anti-locking structure according to claim 1, wherein the guide surfaces are provided at the corners on both sides of the concave groove.
The anti-locking structure of the brake disc according to claim 1, wherein the concave groove is arranged at a junction between the intermittent zone and the clamped zone adjacent to each other.
The brake disc anti-locking structure according to claim 1, wherein the groove is provided at a section of the adjacent junction between the intermittent zone and the clamped zone that is biased toward the intermittent zone, So that the groove is separated from the adjacent junction of the intermittent zone and the sandwiched zone by a distance.