CN118257801A - Dustproof cover for automobile brake - Google Patents

Abstract

The invention belongs to the technical field of automobile brake protection components, and discloses a dustproof cover for an automobile brake, which comprises a first protection plate used for fixedly supporting the whole dustproof cover, wherein a connecting component is fixed on the first protection plate, one end of the connecting component is fixed with the first protection plate, the other end of the connecting component is in sliding fit with a second protection plate, and the sliding fit of the first protection plate and the second protection plate is used for carrying out form conversion.

Description

Dustproof cover for automobile brake

Technical Field

The invention belongs to the technical field of automobile brake protection components, and particularly relates to a dustproof cover for automobile brake dust prevention.

Background

The dustproof cover for the automobile brake is a brake baffle plate and mainly used for protecting a brake system of an automobile. In particular, it can help prevent contaminants such as silt, dust from entering between the brake pad and the brake disc, avoiding the influence of these foreign bodies on the brake performance. In addition, the brake baffle can also protect the ball rubber sleeve of the vehicle, because high-temperature brake dust can threaten the service life of rubber.

In the existing single-plate type brake baffle, in a brake system, the heat dissipation effect of a brake disc can be influenced when the installation position is too close to the brake disc, the dust-proof performance can be reduced when the installation position is slightly far away, and meanwhile broken stones are easily clamped between the brake baffle and the brake disc, so that abrasion is generated on the brake disc, and therefore the brake baffle capable of effectively protecting the brake disc is necessary.

Disclosure of Invention

The invention aims to provide a dustproof cover for an automobile brake, which solves the technical problems that when the dustproof cover for the existing single-plate automobile brake is used, in order to keep good ventilation and heat dissipation of a brake disc, the gap between the dustproof cover and the brake disc is large, the dustproof effect is poor, and broken stones are easy to clamp.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a dustproof dust cover of using of automotive brake, including the first guard plate that is used for the whole dust cover of fixed stay, be fixed with coupling assembling on the first guard plate, coupling assembling's one end is fixed with first guard plate, coupling assembling's the other end sliding fit has the second guard plate, be equipped with pushing mechanism between first guard plate and the second guard plate, the week side of second guard plate is equipped with the guard ring, the lower terminal surface of first guard plate is fixed with circular baffle, and circular baffle and guard ring are cooperation mechanism, a plurality of gas pockets have been seted up with the mating surface, the circumference of first guard plate to the guard ring.

Further: the pushing mechanism comprises a limiting groove integrally formed with the second protection plate, a pushing block is matched in the limiting groove, a limiting track is arranged below the pushing block, the limiting track is fixedly welded on the upper end face of the first protection plate, ball plungers are arranged on the matching faces of the pushing block, the first protection plate and the first protection plate, a reset tension spring is arranged at the tail end of the pushing block, and the other end of the reset tension spring is fixed with the first protection plate.

Further: the front sections of the limiting groove and the pushing block are conical, and the pushing block can push the second protection plate to be far away from the first protection plate when sliding forwards in the limiting groove.

Further: the limiting track is arranged below the pushing block, and the ball plunger arranged on the lower end surface of the limiting track and the pushing block is a matching mechanism.

Further: the connecting assembly comprises a shaft sleeve fixedly welded with the second protection plate, a fixing pin is slidably matched in the shaft sleeve, one end of the fixing pin is fixed on the first protection plate, the other end of the fixing pin is connected with a limit nut in a threaded manner, and a compression spring is arranged between the limit nut and the shaft sleeve.

Further: the center of first guard plate is equipped with the mounting hole that is used for fixed, and the outside circumference of mounting hole is equipped with a plurality of second air inlets, and first air inlet has been seted up to the one end that brake caliper was kept away from to first guard plate, and spacing track fixed welding has been in the both sides position of first air inlet.

Further: and a flow blocking baffle for guiding flow is fixed at one end of the second air inlet close to the mounting hole.

Further: the one end that the second guard plate kept away from brake calliper is equipped with a plurality of guiding gutter, and the below of guiding gutter is equipped with a plurality of water conservancy diversion strips, and the end of guiding gutter is equipped with the water conservancy diversion baffle.

Further: the plurality of guiding gutters are in spiral arrangement, and the guiding baffle is obliquely arranged at the tail end of the first protection plate.

Further: the edge of the second protection plate is fixedly welded on the protection ring, and when the second protection plate is close to the first protection plate, the circular baffle plates shield the air holes.

Compared with the prior art, the invention has the beneficial effects that:

1. According to the dustproof dust cover for the automobile brake, the form is converted through the sliding fit of the first protection plate and the second protection plate, compared with a traditional veneer protection cover, the protection ring is added, and the longer protection ring can effectively cover the brake disc, so that the dustproof, broken stone preventing and mud preventing effects of the dust cover are improved, meanwhile, the second protection plate is pushed away from the brake disc through the pushing mechanism when the automobile brakes, so that the cover state is changed, the air inlet is increased, the required heat dissipation requirement is provided for the brake disc during working, and the dust cover has good heat dissipation performance while the dustproof performance is improved.

2. According to the second protection plate, the flow direction of the air flow is changed when the air flow enters between the second protection plate and the first protection plate through the diversion trench, the diversion strip and the diversion baffle plate arranged on the second protection plate, so that a large amount of air flow can enter the first air inlet and blow to the brake disc, and a large amount of air flow is prevented from directly flowing out from the center along the upper surface of the first protection plate, so that a good heat dissipation environment is provided for heat dissipation of the brake disc during braking of an automobile.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a dust cover for dust prevention of an automotive brake according to the present invention;

FIG. 2 is a top view of a dust cap for automotive brake dust control according to the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view showing an internal structure of a dust cover for dust prevention of an automobile brake according to the present invention;

FIG. 5 is an enlarged view of region B of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view showing the structure of a second shield plate of a dust cover for an automobile brake;

FIG. 7 is a schematic view showing the structure of a first shield plate of a dust cover for an automobile brake;

In the reference numerals: 1. a first protection plate; 2. a second protection plate; 3. a protective ring; 4. a pushing mechanism; 5. a connection assembly; 11. a first air inlet; 12. a second air inlet; 13. a choke baffle; 21. a diversion trench; 22. a flow guiding strip; 23. a flow guiding baffle; 41. a limit groove; 42. pushing blocks; 43. ball plunger; 44. resetting the tension spring; 45. a limit rail; 51. a shaft sleeve; 52. a limit nut; 53. a compression spring; 54. a fixing pin.

Detailed Description

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The invention is further described below with reference to the accompanying drawings: as shown in fig. 1 to 7, the dustproof cover for the automobile brake comprises a first protection plate 1 for fixedly supporting the whole dustproof cover, wherein the first protection plate 1 is arranged on one side of an automobile brake disc, four connecting components 5 are fixedly welded on the first protection plate 1, the four connecting components 5 are in sliding fit with a second protection plate 2 together, a plurality of connecting components 5 can be arranged, and four corner supports can enable the second protection plate 2 to move smoothly when sliding;

A pushing mechanism 4 is arranged between the first protection plate 1 and the second protection plate 2, the pushing mechanism 4 is matched between the first protection plate 1 and the second protection plate 2, and the pushing mechanism 4 slides between the first protection plate 1 and the second protection plate 2 by utilizing the inertia force of the pushing mechanism 4 in the braking process, so that the gap between the first protection plate 1 and the second protection plate 2 is changed;

The week side of second guard plate 2 is equipped with guard ring 3, and guard ring 3 is independent part to welding or riveted mode are fixed with second guard plate 2, compare in traditional integrated into one piece's guard edge, and its degree of depth is bigger, can be deeper to brake disc circumference parcel, and a plurality of gas pockets have been seted up to guard ring 3's circumference, and first guard plate 1's border integrated into one piece has circular baffle, and when second guard plate 2 was close to with first guard plate 1, circular baffle sheltered from the gas pocket, and when first guard plate 1 was kept away from to second guard plate 2, the gas pocket was opened.

During specific work, the protection ring 3 wraps the inner side of the brake disc, at the moment, the circular baffle plate of the first protection plate 1 seals the air inlet hole of the protection ring 3, so that the protection ring 3 forms a closed ring to play a protection role, when an automobile brakes, the brake caliper and the brake disc are in severe friction, the temperature of the brake disc suddenly increases, the temperature between the brake disc and the first protection plate 1 rapidly rises, the pushing mechanism 4 pushes the second protection plate 2 under the action of inertia force in the process, the protection ring 3 is far away from the circular baffle plate, the air holes are opened, air flows are made to rush into between the first protection plate 1 and the brake disc, high-temperature air flows in the protection ring are rapidly replaced, and the brake disc is subjected to air cooling and temperature reduction, so that the state of the whole dust cover is changed according to specific requirements in the braking process, and a good heat dissipation environment can be possessed while the protection of a greater degree is provided.

As an embodiment of the present invention, as shown in fig. 2 to 5: the pushing mechanism 4 comprises a limiting groove 41 integrally formed with the second protection plate 2, the front section of the limiting groove 41 is an inclined surface, a pushing block 42 is arranged between the first protection plate 1 and the second protection plate 2 below the limiting groove 41, the pushing block 42 is embedded into the limiting groove 41 and can freely slide in the limiting groove 41, the pushing block 42 is matched with the inner space of the limiting groove 41, the pushing block 42 is of a conical structure, a plurality of ball plungers 43 are embedded into the contact surfaces of the pushing block 42, the limiting groove 41 and the first protection plate 1, so that friction force applied to the pushing block 42 in the sliding process is reduced, the pushing block 42 can freely slide, a limiting track 45 is arranged on the lower end surface of the pushing block 42, the limiting track 45 and the ball plungers 43 are matched to limit the transverse displacement of the pushing block 42, the pushing block 42 can only move forwards and backwards along the limiting track 45, the tail end of the pushing block 42 is provided with a reset tension spring 44, the other end of the reset tension spring 44 is fixed with the first protection plate 1, the reset tension spring 42 cannot be clamped between the first protection plate 1 and the second protection plate 2, and the reset tension spring cannot be caused.

As an embodiment of the present invention, as shown in fig. 4 and 5: the connecting assembly 5 comprises a shaft sleeve 51 fixedly welded with the second protection plate 2, fixing pins 54 are slidably matched with the shaft sleeve 51, one ends of the four fixing pins are respectively welded on the upper end face of the first protection plate 1 to form a four-corner supporting structure, the shaft sleeve 51 is slidably matched with the fixing pins 54, the second protection plate 2 can axially move along the fixing pins 54, one end, far away from the first protection plate 1, of the fixing pins 54 is provided with a threaded mechanism, a limit nut 52 is fixedly connected with the limit nut 52 through a bolt, the limit nut 52 is installed on the outer side of the second protection plate 2, compression springs 53 are arranged between the limit nut 52 and the shaft sleeve 51 welded on the second protection plate 2, and the second protection plate 2 is tightly attached to the first protection plate 1 under the elastic support of the compression springs 53.

As an embodiment of the present invention, as shown in fig. 4,5 and 7: the central region of first guard plate 1 is the installation connection region, it is equipped with the installation hole site that suits with the vehicle braking position that needs to install, at the periphery of central region, there are two annular regions, the notch that is used for holding brake caliper is offered at the peripheral region that is most, first air inlet 11 has been offered in one side that keeps away from brake caliper, first air inlet 11 is main air inlet, when the air current gets into the region between second guard plate 2 and first guard plate 1, blow to the brake disc through first air inlet 11, a plurality of second air inlets 12 that are used for supplementary air inlet have been offered circumferentially between central region and the peripheral annular region, thereby make more air currents blow to the brake disc, the one end that second air inlet 12 is close to the mounting hole is fixed with the choked flow baffle 13 that is used for the water conservancy diversion, when the air current flows along the surface of first guard plate 1, therefore set up choked flow baffle 13 can change the air current flow direction, thereby make more air currents get into second air inlet 12.

As an embodiment of the present invention, as shown in fig. 4 to 6: the second guard plate 2 is annular structure, the one end that brake calliper was kept away from to the second guard plate 2 is equipped with a plurality of guiding gutter 21, guiding gutter 21 is circular-arc, a plurality of guiding gutter 21 that set up can increase the outer surface area of second guard plate 2, more do benefit to natural heat dissipation, a plurality of guiding gutter 21 are the heliciform and arrange, so can be when the air current gets into between second guard plate 2 and the first guard plate 1, change the air current flow direction, make a large amount of air currents can enter into in the first air inlet 11 and blow to the brake disc, avoid a large amount of air currents directly follow the upper surface of first guard plate 1 and flow from the center, the below of guiding gutter 21 is equipped with a plurality of guiding strips 22, guiding strip 22 is the same with the arrangement mode of guiding gutter 21, guiding strip 22 further guides the air current change direction, make it form the vortex between first guard plate 1 and the second guard plate 2, the slope of end of guiding gutter 21 is equipped with guiding baffle 23, make the air current that flows along guiding gutter 21 finally to first guard plate 1 direction, avoid directly following second guard plate 2 central breach to run off.

The working principle of the invention is as follows: the first protection plate 1 for fixing and supporting and the second protection plate 2 for protecting form a dust cover, the integrated circular baffle plate of the first protection plate 1 and the protection ring 3 form annular protection, when in installation, the installation distance between the first protection plate 1 and the brake disc is shortened, and the brake disc is coated by the prolonged protection ring 3, so that the dust and mud preventing performance of the whole dust cover is improved;

The protection ring 3 and the second protection plate 2 are jointly dynamically designed, corresponding state changes are made according to braking conditions in the running process of the automobile, in the braking process of the automobile, the pushing block 42 is subjected to the action of inertia force and slides forwards along the limiting track 45 and the limiting groove 41, the second protection plate 2 is pushed through the inclined planes of the pushing block 42 and the limiting groove 41, the second protection plate 2 is far away from the first protection plate 1, the gap between the second protection plate 2 and the brake disc is enlarged, meanwhile, air holes of the protection ring 3 are opened, air flows along the guide grooves 21 and the guide strips 22 arranged on the second protection plate 2, so that air flows are guided to blow the brake disc, the brake disc is cooled, and when the automobile normally runs, the pushing block 42 and the second protection plate 2 are reset under the action of the reset tension spring 44 and the compression spring 53 respectively, and good dustproof effects are continuously played.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (10)

1. Dustproof dust cover for automobile brake, including being used for fixed stay whole dust cover's first guard plate (1), its characterized in that: a connecting component (5) is fixed on the first protection plate (1), one end of the connecting component (5) is fixed with the first protection plate (1), the other end of the connecting component (5) is in sliding fit with a second protection plate (2), a pushing mechanism (4) is arranged between the first protection plate (1) and the second protection plate (2), and a protection ring (3) is arranged on the periphery of the second protection plate (2);

A circular baffle is fixed on the lower end surface of the first protection plate (1), and the circular baffle and the protection ring (3) are matched mechanisms;

a plurality of air holes are formed in the circumferential direction of the matching surface of the protective ring (3) and the first protective plate (1).

2. A dust cover for dust prevention of an automobile brake according to claim 1, wherein: the pushing mechanism (4) comprises a limiting groove (41) integrally formed with the second protection plate (2), a pushing block (42) is matched in the limiting groove (41), a limiting track (45) is arranged below the pushing block (42), the limiting track (45) is fixedly welded on the upper end face of the first protection plate (1), ball plungers (43) are arranged on the matching faces of the pushing block (42) and the first protection plate (1) and the matching faces of the pushing block (42) and the first protection plate (1), a reset tension spring (44) is arranged at the tail end of the pushing block (42), and the other end of the reset tension spring (44) is fixed with the first protection plate (1).

3. A dust cover for dust prevention of an automobile brake according to claim 2, characterized in that: the front sections of the limiting groove (41) and the pushing block (42) are conical, and the pushing block (42) can slide forwards in the limiting groove (41) to push the second protection plate (2) to be far away from the first protection plate (1).

4. A dust cover for dust prevention of an automobile brake according to claim 3, wherein: the limiting rail (45) is arranged below the pushing block (42), and the limiting rail (45) and a ball plunger (43) arranged on the lower end surface of the pushing block (42) are matched mechanisms.

5. A dust cover for dust prevention of an automobile brake according to claim 2, characterized in that: the connecting assembly (5) comprises a shaft sleeve (51) fixedly welded with the second protection plate (2), a fixing pin (54) is slidably matched in the shaft sleeve (51), one end of the fixing pin (54) is fixed on the first protection plate (1), the other end of the fixing pin (54) is connected with a limit nut (52) through a screw, and a compression spring (53) is arranged between the limit nut (52) and the shaft sleeve (51).

6. A dust cover for dust prevention of an automobile brake according to claim 2, characterized in that: the center of first guard plate (1) is equipped with the mounting hole that is used for fixed, and the outside circumference of mounting hole is equipped with a plurality of second air inlets (12), and first air inlet (11) have been seted up to one end that brake caliper was kept away from to first guard plate (1), and spacing track (45) fixed welding has been in the both sides position of first air inlet (11).

7. A dust cover for dust prevention of an automobile brake according to claim 6, wherein: and a flow blocking baffle (13) for guiding flow is fixed at one end of the second air inlet (12) close to the mounting hole.

8. A dust cover for dust prevention of an automobile brake according to claim 5, wherein: one end of the second protection plate (2) far away from the brake caliper is provided with a plurality of diversion trenches (21), the lower part of the diversion trenches (21) is provided with a plurality of diversion strips (22), and the tail end of the diversion trenches (21) is provided with a diversion baffle (23).

9. A dust cover for dust prevention of an automobile brake according to claim 8, wherein: the plurality of diversion trenches (21) are spirally arranged, and the diversion baffle (23) is obliquely arranged at the tail end of the first protection plate (1).

10. A dust cover for dust prevention of an automobile brake according to claim 1, wherein: the protective ring (3) is fixedly welded on the edge of the second protective plate (2), and when the second protective plate (2) is close to the first protective plate (1), the circular baffle plate shields the air holes.