CN210461480U

CN210461480U - Brake dust cover

Info

Publication number: CN210461480U
Application number: CN201921222921.7U
Authority: CN
Inventors: 冯涛; 史成淼; 王林国
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-05
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to an auto-parts field discloses a stopper dust cover. This stopper dust cover includes two semicircular shell to piecing together, and every semicircular shell all connects on the axle housing, all is provided with first constant head tank and second constant head tank on every semicircular shell, and first constant head tank is configured to the axle footpath cooperation with the axle housing, and the second constant head tank is configured to the axle footpath cooperation with the braking support, and the terminal surface of every semicircular shell all is provided with the turn-ups, and the turn-ups is configured to the axle footpath cooperation with the brake drum. The utility model provides a stopper dust cover compares with connecting the dust cover on braking support among the prior art, has reduced the weight and the cost of braking support, has simplified the structure of this stopper dust cover, has increased the heat dissipation space of stopper, has promoted the reliability of braking.

Description

Brake dust cover

Technical Field

The utility model relates to an auto-parts field especially relates to a brake dust cover.

Background

The brake dust cover of the automobile axle mainly has the function of preventing dust or sundries from entering the brake during the running of the automobile to cause abnormal abrasion of a friction plate and the brake, so that the brake is out of operation and safety accidents occur. In the existing automobile axle, the dust cover of a drum brake is connected to a brake bracket by bolts, and the structure has the following defects: threaded holes are required to be formed in the brake bracket for installing a dust cover, so that the weight and the cost of the brake bracket are increased; the dust cover has a complex structure, and the process cost is increased; the brake cavity formed by the brake drum and the dust cover is small, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, an object of the utility model is to provide a brake dust cover can reduce the weight of braking support.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a stopper dust cover, includes two semicircular shell to piecing together, every semicircular shell all connects on the axle housing, every all be provided with first constant head tank and second constant head tank on the semicircular shell, first constant head tank configured with the axle footpath cooperation of axle housing, the second constant head tank configured with the axle footpath cooperation of braking support, every semicircular shell's terminal surface all is provided with the turn-ups, the turn-ups configured with the axle footpath cooperation of brake drum.

As the utility model discloses a preferred scheme of stopper dust cover, every the semicircle casing all can dismantle through the fastener connect in on the axle housing, the one end of fastener with the semicircle casing is connected, the other end with the braking flange joint of axle housing.

As the utility model discloses a preferred scheme of stopper dust cover, the fastener is stud, stud's both ends are provided with helicitic texture respectively.

As the utility model discloses a preferred scheme of stopper dust cover, every all be provided with first connecting hole on the semicircle casing, the fastener is worn to locate in the first connecting hole.

As the utility model discloses a preferred scheme of stopper dust cover, the fastener is worn out the one end of first connecting hole is connected with fastening nut.

As the utility model discloses a preferred scheme of stopper dust cover, fastening nut with press from both sides between the semicircle casing and be equipped with the elastic washer.

As the utility model discloses a preferred scheme of stopper dust cover, be provided with the second connecting hole on the braking flange of axle housing, the fastener is still worn to locate in the second connecting hole.

As the utility model discloses a preferred scheme of stopper dust cover, the fastener first connecting hole with the second connecting hole all is provided with a plurality ofly.

As the utility model discloses a preferred scheme of stopper dust cover, every all be provided with the through wires hole on the semicircle casing.

As the utility model discloses a preferred scheme of stopper dust cover, first constant head tank with the second constant head tank is semicircle form.

The utility model has the advantages that:

the utility model provides a stopper dust cover, two semicircular shell that set up through the symmetry are assembled and are formed, set up first constant head tank and second constant head tank on every semicircular shell, first constant head tank is used for cooperating with the axle footpath of axle housing, the second constant head tank is used for cooperating with the axle footpath of braking support, and set up the turn-ups at the terminal surface of every semicircular shell, the turn-ups is used for cooperating with the axle footpath of brake drum, accomplish the installation location of this stopper dust cover, through being connected this stopper dust cover with the axle housing, connect the dust cover on the braking support with prior art and compare, the weight and the cost of braking support have been reduced, the structure of this stopper dust cover has been simplified, the heat dissipation space of stopper has been increased, the reliability of braking has been promoted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural view of a brake dust cover mounted to an axle assembly according to an embodiment of the present invention;

fig. 2 is a front view of a semicircular housing according to an embodiment of the present invention;

fig. 3 is a side view of a semicircular shell according to an embodiment of the present invention.

In the figure:

1-a semi-circular shell; 2-a fastener; 3-fastening a nut; 4-a resilient washer;

11-a first positioning groove; 12-a second positioning groove; 13-flanging; 14-a first connection hole; 15-threading holes;

a 100-axle housing; 200-a brake bracket; 300-brake drum.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed 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 relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a brake dust cover for use in an automotive axle assembly. As shown in fig. 1 to 3, the brake dust cover comprises two half-round housings 1 which are spliced, and the two half-round housings 1 can be spliced to form the brake dust cover. Two semicircle casings 1 are pieced together through the straight line limit between them and are obtained this stopper dust cover, easy dismounting. Each semicircle housing 1 all connects on axle housing 100, through being connected this stopper dust cover with axle housing 100, compares with connecting the dust cover on braking support 200 among the prior art, has reduced the weight and the cost of braking support 200, has simplified the structure of this stopper dust cover. Each semicircular shell 1 is provided with a first positioning groove 11 and a second positioning groove 12, the first positioning groove 11 is configured to be matched with the shaft diameter of the axle housing 100, and the second positioning groove 12 is configured to be matched with the shaft diameter of the brake bracket 200. In this embodiment, the first positioning groove 11 and the second positioning groove 12 are both disposed near the straight edge of the semicircular shell 1, so as to be convenient for matching with the cylindrical shaft, and optionally, the first positioning groove 11 and the second positioning groove 12 are both semicircular. The end face of each semicircular shell 1 is provided with a flange 13, the flanges 13 are configured to be matched with the shaft diameter of the brake drum 300, the flanges 13 are arranged on the arc edge of the semicircular shell 1 and extend outwards in the axial direction, the heat dissipation space of the brake is increased, and the reliability of the brake is improved.

In order to be connected this stopper dust cover with axle housing 100, optionally, every semicircle casing 1 all can be dismantled through fastener 2 and connect on axle housing 100, and fastener 2's one end is connected with semicircle casing 1, and the other end is connected with axle housing 100's braking flange, easy dismounting. Optionally, the fastener 2 is a stud bolt, and two ends of the stud bolt are respectively provided with a thread structure, so that materials are convenient to obtain, and the cost is low. In this embodiment, stud adopts hexagonal prism structure, and the cooperation spanner of being convenient for is screwed up. In order to facilitate the insertion of the fastening element 2, optionally, a first connection hole 14 is disposed on each semicircular shell 1, and the fastening element 2 is inserted into the first connection hole 14. Further, one end of the fastener 2 penetrating through the first connecting hole 14 is connected with a fastening nut 3, and the fastening nut 3 is used for locking the fastener 2, so that the connection strength of the brake dust cover and the axle housing 100 is increased. To cushion the force between the brake dust cover and the axle housing 100, an elastic washer 4 is optionally interposed between the fastening nut 3 and the semicircular housing 1. In order to facilitate the penetration of the fastening member 2, optionally, a second connecting hole is provided on the braking flange of the axle housing 100, and the fastening member 2 is further penetrated in the second connecting hole. In order to ensure uniform connection strength and stress, the fastening member 2, the first connection hole 14, and the second connection hole may be provided in plurality. In the present embodiment, the fastening pieces 2, the first connection holes 14, and the second connection holes are all provided in four, and the four fastening pieces 2 are uniformly arranged in the circumferential direction of the brake dust cover. In order to facilitate the insertion of a circuit harness of an ABS (anti lock Braking System, anti-lock Braking System for automobiles), optionally, a threading hole 15 is formed in each semicircular shell 1, and the threading hole 15 may be disposed near the first positioning groove 11, so as to facilitate the shortening of the path length of the ABS harness.

The stopper dust cover that this embodiment provided, two semi-circular shell 1 that set up through the symmetry are assembled and are formed, set up first constant head tank 11 and second constant head tank 12 on every semi-circular shell 1, first constant head tank 11 is used for the axle footpath cooperation with axle housing 100, second constant head tank 12 is used for the axle footpath cooperation with braking support 200, and set up turn-ups 13 at the terminal surface of every semi-circular shell 1, turn-ups 13 is used for the axle footpath cooperation with brake drum 300, accomplish the installation location of this stopper dust cover, through being connected this stopper dust cover with axle housing 100, compare on braking support 200 with connecting the dust cover among the prior art, the weight and the cost of braking support 200 have been reduced, the structure of this stopper dust cover has been simplified, the heat dissipation space of stopper has been increased, the reliability of braking has been promoted.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a stopper dust cover, its characterized in that includes two semicircle casings (1) of piecing together, every semicircle casing (1) all connects on axle housing (100), every all be provided with first constant head tank (11) and second constant head tank (12) on semicircle casing (1), first constant head tank (11) be configured into with the axle footpath cooperation of axle housing (100), second constant head tank (12) be configured into with the axle footpath cooperation of brake support (200), every the terminal surface of semicircle casing (1) all is provided with turn-ups (13), turn-ups (13) are configured into the axle footpath cooperation with brake drum (300).

2. The brake dust cover of claim 1, characterized in that each said semi-circular housing (1) is detachably connected to said axle housing (100) by a fastener (2), one end of said fastener (2) being connected to said semi-circular housing (1) and the other end being connected to a brake flange of said axle housing (100).

3. The brake dust cover according to claim 2, wherein the fastening member (2) is a stud bolt having a thread structure provided at both ends thereof, respectively.

4. The brake dust cover according to claim 2, characterized in that each of the semicircular housings (1) is provided with a first connection hole (14), and the fastener (2) is inserted into the first connection hole (14).

5. The brake dust cover according to claim 4, characterized in that a fastening nut (3) is attached to the end of the fastening element (2) that passes out of the first connection hole (14).

6. The brake dust cover according to claim 5, characterized in that an elastic washer (4) is interposed between the fastening nut (3) and the semicircular housing (1).

7. The brake dust cover of claim 4, characterized in that a second connecting hole is arranged on the brake flange of the axle housing (100), and the fastener (2) is further arranged in the second connecting hole in a penetrating way.

8. The brake dust cover according to claim 7, characterized in that the fastener (2), the first connection hole (14) and the second connection hole are each provided in plurality.

9. The brake dust cover according to claim 1, characterized in that each of the semicircular housings (1) is provided with a threading hole (15).

10. The brake dust cover according to any one of claims 1-9, characterized in that the first detent (11) and the second detent (12) are both semicircular.