Dust cover for front brake disc

By introducing a rotating column and a flexible drive unit into the front brake disc dust cover, the problem of difficult installation is solved, enabling rapid installation and all-round heat dissipation, thus improving installation efficiency and service life.

CN224107583UActive Publication Date: 2026-04-10河南淮海汽车部件制造有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-11
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing front brake disc dust cover lacks a preliminary positioning function during installation, which makes installation difficult, time-consuming, and prone to errors, thus reducing installation efficiency.

Method used

A dust cover with a rotating column, a rotating locking block, and an elastic drive unit was designed. The rotating locking block cooperates with the docking slot to achieve initial positioning, and the elastic drive unit is used for rapid positioning. Combined with the aluminum-magnesium alloy material and heat dissipation slot design, the installation efficiency and structural strength are improved.

Benefits of technology

The dust cover enables rapid installation, reducing installation time and personnel burden, improving installation efficiency, and extending service life through all-round heat dissipation, while enhancing structural stability and durability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224107583U_ABST
    Figure CN224107583U_ABST
Patent Text Reader

Abstract

The utility model provides a front brake disc dust cover which comprises a cover body, a plurality of mounting bolts are inserted into mounting holes formed in the cover body in a penetrating mode, the rear sides of the mounting bolts are in threaded connection with a hub bearing seat, a plurality of rotating columns are rotationally arranged in the cover body, the rear side of each rotating column is provided with a rotating clamping block, and the rotating clamping blocks are connected with the hub bearing seat in a threaded mode. A plurality of butt joint notches are formed in the front side of the hub bearing seat, each rotary clamping block is installed in cooperation with the adjacent butt joint notch, a limiting ring is arranged on the rear side of the outer arc face of each rotary column, and an elastic driving unit is arranged on the rear side of the limiting ring and the rear side of the cover body. According to the dust cover for the front brake disc, rapid preliminary positioning can be carried out when the dust cover is installed, so that personnel can rapidly install the dust cover without adjustment, the installation time is greatly shortened, the working efficiency is improved, the workload of the installation personnel is reduced, and the labor intensity of the personnel is reduced. And particularly, the fatigue feeling can be obviously reduced during large-batch installation.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to brake disc dust cover technical field, especially relates to a front brake disc dust cover. BACKGROUND

[0002] The front brake disc dust cover is a component installed on the front wheel brake system of a vehicle, mainly used for protecting the brake disc and brake caliper from dust, mud, gravel and other pollutants, and is usually installed on the wheel hub bearing seat to cover part or all of the brake disc to prevent external pollutants from entering the brake system, thereby maintaining its cleanliness and performance, prolonging the service life and ensuring that the braking effect of the vehicle is always in the best state.

[0003] The existing front brake disc dust cover is installed on the wheel hub bearing seat by a plurality of mounting bolts to achieve dust shielding of the brake disc and prevent it from being invaded by dust, mud, gravel and other pollutants, but it cannot be preliminarily positioned when the dust cover is installed, so the installer needs to adjust the position of the dust cover multiple times for installation, which increases the installation difficulty and time, and repeatedly adjusting the position not only wastes time but also may increase the error in the installation process, thereby reducing the overall installation efficiency of the dust cover. SUMMARY

[0004] Therefore, the utility model provides a front brake disc dust cover which can be preliminarily positioned quickly when the dust cover is installed, so the personnel can quickly install the dust cover without adjustment, greatly shortens the installation time, improves the work efficiency, reduces the work burden of the installer, and significantly reduces the fatigue when a large number of dust covers are installed.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a front brake disc dust cover, which comprises a cover body, a plurality of mounting bolts inserted into the mounting holes formed in the cover body, a wheel hub bearing seat threadedly connected to the rear side of the mounting bolts, a plurality of rotating columns rotatably arranged in the cover body, a rotating clamping block arranged on the rear side of each rotating column, a plurality of butt joint grooves formed on the front side of the wheel hub bearing seat, each rotating clamping block being installed in cooperation with the adjacent butt joint groove, a limiting ring arranged on the rear side of the outer arc surface of each rotating column, an elastic driving unit arranged on the rear side of the limiting ring and the cover body, the elastic driving unit comprising a plurality of springs arranged on the limiting ring and the cover body, each spring being sleeved on the corresponding rotating column, and a rotating plate arranged on the front side end of each rotating column.

[0006] As a further improvement of the utility model, a plurality of reinforcing ribs are arranged in the cover body, the cover body and the reinforcing ribs are fixed by welding, the cover body is C-shaped, and the cover body is made of aluminum-magnesium alloy.

[0007] As a further improvement of the utility model, a plurality of heat dissipation grooves are arranged in the inner part of the cover body, a plurality of front heat dissipation openings are arranged on the right side of the outer arc surface of the cover body, and side heat dissipation openings are arranged on the upper and lower sides of the inner part of the cover body.

[0008] Compared with the prior art, the utility model has the beneficial effects as follows:

[0009] Firstly, the rotating column drives the rotating clamping block to rotate to keep corresponding with the butt joint groove, then the rotating clamping block is slid into the inner part of the butt joint groove, then the 180-degree sliding plate is pressed, at this time, the spring is in the stretching state, then the rotating plate is loosened, the spring rapidly rebounds to drive the rotating clamping plate to abut against the butt joint groove frame in the inner part of the hub bearing seat, the cover body is preliminarily positioned on the hub bearing seat, the installation bolt in the insertion installation hole also corresponds to the threaded hole of the hub bearing seat, and the cover body is installed on the hub bearing seat through the installation bolt by using a tool, so that the dust cover can be quickly and preliminarily positioned during installation, the personnel can quickly install the dust cover without adjustment, the installation time is greatly shortened, the working efficiency is improved, the working burden of the installation personnel is reduced, and fatigue is significantly reduced during mass installation.

[0010] Secondly, the plurality of reinforcing ribs arranged in the inner part of the cover body are made of aluminum-magnesium alloy, which can not only enhance the structural strength and stability, but also keep lightweight, improve durability and protection effect, and the C-shaped design can avoid the caliper installation, greatly improving the service life of the cover body.

[0011] Thirdly, the cover body is designed through the inner heat dissipation grooves, the front heat dissipation openings on the right side of the outer arc surface and the side heat dissipation openings on the upper and lower sides, so that omnidirectional heat dissipation is realized, the brake disc is effectively prevented from overheating, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is an explosion section structure schematic diagram of the utility model;

[0015] Figure 3 It is a left view section structure schematic diagram of the utility model;

[0016] Figure 4 It is an enlarged structure schematic diagram of A of the utility model.

[0017] In the figure: 101, cover body; 102, heat dissipation slot; 103, front heat dissipation port; 104, side heat dissipation port; 105, reinforcing rib; 106, mounting bolt; 107, wheel hub bearing seat; 201, rotating plate; 202, butt joint slot; 203, rotating clamping block; 204, rotating column; 205, limiting ring; 206, spring. DETAILED DESCRIPTION

[0018] In order to better understand the present application, the content of the present application will be further clearly described below in combination with embodiments, but the protection content of the present application is not limited to the following embodiments only. In the following description, a large number of specific details are given in order to provide a more complete understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details.

[0019] As Figure 1 , 2 , 3 shows a front brake disc dust cover, which comprises a cover body 101, a plurality of mounting bolts 106 are inserted into the mounting hole formed in the inside of the cover body 101, a wheel hub bearing seat 107 is threadedly connected to the rear side of the plurality of mounting bolts 106, a plurality of rotating columns 204 are rotatably arranged in the inside of the cover body 101, a rotating clamping block 203 is arranged on the rear side of each rotating column 204, a plurality of butt joint slots 202 are formed on the front side of the wheel hub bearing seat 107, each rotating clamping block 203 is installed in cooperation with the adjacent butt joint slot 202, a limiting ring 205 is arranged on the outer arc surface rear side of each rotating column 204, an elastic driving unit is arranged on the rear side of the limiting ring 205 and the cover body 101, a plurality of heat dissipation slots 102 are formed in the inside of the cover body 101, a plurality of front heat dissipation ports 103 are formed on the outer arc surface right side of the cover body 101, a side heat dissipation port 104 is formed on the upper and lower sides of the inside of the cover body 101, the cover body 101 is designed through the internal heat dissipation slots 102, the outer arc surface right side front heat dissipation ports 103 and the upper and lower sides side heat dissipation ports 104, which realizes omnidirectional heat dissipation, effectively prevents the brake disc from overheating and prolongs the service life.

[0020] As Figure 4 shown, the elastic driving unit comprises a plurality of springs 206 arranged on the limiting ring 205 and the cover body 101, the plurality of springs 206 are respectively sleeved on the outer arc surface of the corresponding rotating column 204, a rotating plate 201 is arranged on the front side end of the rotating column 204, and the rotating column 204 and the rotating plate 201 are fixed by welding.

[0021] The hub bearing seat 107 is pre-installed to the steering knuckle of the automobile, then the rotating plate 201 is rotated, so that the rotating column 204 drives the rotating block 203 to rotate to keep corresponding with the position of the docking notch 202, then the rotating block 203 is slid into the inside of the docking notch 202, then the rotating 180-degree sliding plate is pressed, at this time the spring 206 is in the stretched state, then the rotating plate 201 is loosened, the spring 206 rapidly rebounds to drive the rotating block to abut against the docking groove in the inside of the hub bearing seat 107, the cover body 101 is preliminarily positioned on the hub bearing seat 107, at the same time the installation bolt 106 inserted into the installation hole is also corresponding with the threaded hole of the hub bearing seat 107, and the cover body 101 is installed on the hub bearing seat 107 through the installation bolt 106 by using a tool.

[0022] According to another embodiment of the present application, as shown in Figure 1 、 2 , 3, 4, the inside of the cover body 101 is provided with a plurality of reinforcing ribs 105, the cover body 101 is C-shaped, the cover body 101 is made of aluminum-magnesium alloy, the inside of the cover body 101 is provided with a plurality of reinforcing ribs 105 and made of aluminum-magnesium alloy, which can not only enhance the structural strength and stability, but also keep lightweight, improve durability and protection effect, and the C-shaped design can avoid the installation of the caliper.

[0023] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the present application but not limit, other modifications or equivalent replacements of the technical solutions of the present application made by the ordinary skilled in the art should be covered in the scope of the claims of the present application, as long as they do not depart from the spirit and scope of the technical solutions of the present application.

Claims

1. A front brake disc dust shield comprising a shield body (101), characterized in that: A plurality of mounting bolts (106) are inserted into the mounting holes in the cover body (101), a hub bearing seat (107) is threadedly connected to the rear side of the plurality of mounting bolts (106), a plurality of rotating columns (204) are rotatably arranged in the cover body (101), a rotating clamping block (203) is arranged on the rear side of each rotating column (204), a plurality of abutting grooves (202) are formed on the front side of the hub bearing seat (107), each rotating clamping block (203) is mounted in cooperation with an adjacent abutting groove (202), a limiting ring (205) is arranged on the outer arc surface of each rotating column (204), and the limiting ring (205) and the rear side of the cover body (101) are provided with an elastic driving unit.

2. A front brake disc dust shield as defined in claim 1 wherein: The elastic driving unit comprises a plurality of springs (206) arranged on the limiting ring (205) and the cover body (101), and each spring (206) is sleeved on the outer arc surface of a corresponding rotating column (204).

3. A front brake disc dust shield as defined in claim 1 wherein: The front side end of each rotating column (204) is provided with a rotating plate (201).

4. A front brake disc dust shield as defined in claim 1 wherein: A plurality of heat dissipation grooves (102) are formed in the cover body (101), a plurality of front heat dissipation openings (103) are formed on the outer arc surface of the right side of the cover body (101), and side heat dissipation openings (104) are respectively formed on the upper and lower sides of the cover body (101).

5. A front brake disc dust shield as defined in claim 1 wherein: A plurality of reinforcing ribs (105) are arranged in the cover body (101).

6. A front brake disc dust shield as defined in claim 1 wherein: The cover body (101) is C-shaped.

7. A front brake disc dust shield as defined in claim 1 wherein: The cover body (101) is made of aluminum-magnesium alloy.