Anti-rollback manual adjusting arm for automobile brake clearance

Abstract

The utility model discloses an anti-back-off manual adjusting arm for an automobile brake clearance, which belongs to the technical field of automobile brake clearance adjusting arms, and solves the problems that a brush plate of an existing device is inconvenient to replace, the brush plate is driven to rotate by components such as a motor, the driving structure is relatively complicated, electric energy is wasted and the production cost is relatively high, and the anti-back-off manual adjusting arm comprises a shell, a lining is arranged on the front face of the shell, a dustproof sweeping assembly is arranged on the front face of the shell, fan blades are driven to rotate under the action of airflow, then the fan blades drive a rotating ring and a scrubbing brush to rotate together, then dust attached to the surface of a steel mesh is cleaned through the scrubbing brush, and the scrubbing brush can be driven to clean the steel mesh only through wind energy. The energy-saving and environment-friendly purposes are achieved, the production cost is reduced, the threaded sleeve is arranged on the outer surface of the annular fixing plate in a threaded and sleeving mode, and the scrubbing brush is detachably installed on the end face of the rotating ring through the bolt, so that the purpose that the threaded sleeve and the scrubbing brush are conveniently detached for replacement is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile brake clearance adjusting arm, concretely to a kind of anti-backlash automobile brake clearance manual adjusting arm. BACKGROUND

[0002] The anti-backlash automobile brake clearance manual adjusting arm is a device specially designed to prevent the brake clearance adjusting arm from retracting when the vehicle is overloaded or severely overloaded. This adjusting arm includes a housing, a worm gear, a worm, a spring, a center steel ball, and an adjusting screw. The automobile brake clearance manual adjusting arm is connected to the camshaft. During installation, the adjusting arm needs to be installed on the camshaft, and the arrow mark direction on the adjusting arm must be consistent with the direction of the air chamber push rod.

[0003] After searching, the patent application No. 202222680790.5 discloses an automobile brake clearance brake adjusting arm, which belongs to the field of gap compensation for automobile brakes. It includes a housing with a bushing on the front surface. A dust cover is attached to the front surface of the housing below the bushing. A rivet is threaded into the inner cavity of the dust cover. The outer wall of the rivet is threaded into the inner cavity of the housing. An annular fixed plate is fixed to the front surface of the dust cover. A fixed plate is threaded onto the outer wall of the rivet on the front surface of the dust cover. The back surface of the fixed plate is connected to the inner cavity of the annular fixed plate. A ring-shaped plate is fixed to the left side of the fixed plate.

[0004] Although the automobile brake clearance brake adjusting arm uses a rivet to fix the ring-shaped plate and steel mesh on the front surface of the dust cover, achieving the purpose of dust prevention, and the brush plate is driven to rotate by a motor and other components, which in turn cleans the dust on the surface of the steel mesh. However, the brush plate needs to be replaced after a long period of use. The brush plate is located inside the steel mesh and the annular fixed plate, making it inconvenient to replace the brush plate. The driving structure is complex, wasting energy and increasing production costs.

[0005] Therefore, we propose an anti-backlash automobile brake clearance manual adjusting arm. SUMMARY

[0006] To overcome the shortcomings of existing technology, the anti-backlash automobile brake clearance manual adjusting arm is provided, which solves the problem of inconvenient replacement of the brush plate and the complex driving structure, wasting energy and high production costs.

[0007] To achieve the above purpose, the anti-backlash automobile brake clearance manual adjusting arm is implemented through the following technical solutions: an anti-backlash automobile brake clearance manual adjusting arm includes a housing with a bushing on the front surface.

[0008] The front surface of the shell is provided with a dustproof cleaning assembly;

[0009] The dustproof cleaning assembly comprises an annular fixing plate arranged on the front surface of the shell and below the shell, the outer surface of the annular fixing plate is provided with a threaded sleeve, the inner wall of the threaded sleeve is fixedly sleeved with a steel mesh at the end away from the annular fixing plate, the outer surface of the threaded sleeve is rotatably sleeved with a swivel ring through a bearing ring, the arc surface of the swivel ring is fixedly installed with fan blades arranged in an annular array, and the surface of the swivel ring away from the annular fixing plate is provided with a plate brush in the shape of a cross.

[0010] Preferably, the end of the outer surface of the annular fixing plate away from the shell is provided with a thread, the threaded sleeve is threadedly sleeved on the outer surface of the annular fixing plate, and the steel mesh abuts against the end surface of the annular fixing plate, so as to facilitate assembly and disassembly of the threaded sleeve and the annular fixing plate.

[0011] Preferably, the surface of the plate brush close to the steel mesh is provided with bristles, and the bristles are in contact with the surface of the steel mesh, so that the dust adhering to the surface of the fan blades can be cleaned by the bristles on the plate brush.

[0012] Preferably, the four end portions of the plate brush are detachably installed on the end surface of the swivel ring through bolts, so as to facilitate assembly and disassembly of the plate brush and the swivel ring, and facilitate replacement of the plate brush.

[0013] Preferably, the outer surface of the annular fixing plate close to the shell is fixedly sleeved with an annular mounting plate, the annular mounting plate is detachably installed on the side wall of the front surface of the shell through bolts, and the side of the annular mounting plate close to the front surface of the shell is bonded with an annular sealing gasket, so that the annular fixing plate can be fixed on the front surface of the shell through the annular mounting plate, and the sealing property between the annular mounting plate and the shell can be improved through the annular sealing gasket, so that the dust cannot enter the shell through the gap between the annular mounting plate and the shell.

[0014] The utility model provides a kind of anti-backlash automobile brake clearance manual adjustment arm.It has the following beneficial effects:

[0015] 1, the anti-backlash automobile brake clearance manual adjustment arm, by the setting of swivel ring and fan blade, under the action of airflow in the automobile driving, fan blade is driven to rotate, in turn fan blade drives swivel ring and plate brush to rotate, in turn dust adhering to the surface of steel mesh is cleaned by plate brush, only by wind energy can drive plate brush to clean steel mesh, reach the purpose of energy saving and environmental protection, and the structure of swivel ring, fan blade, plate brush and threaded sleeve is simple, facilitate production, be favorable to reduce production cost, solve the problem that the existing device drives brush plate to rotate by motor and other components, its drive structure is more complex, waste electric energy and production cost is higher;

[0016] 2. The anti-backlash automobile brake gap manual adjustment arm, through the threaded sleeve is screwed on the outer surface of the annular fixed plate and the brush plate is detachably mounted on the end face of the rotating ring, which achieves the purpose of facilitating the disassembly and replacement of the threaded sleeve and the brush plate, is simple and convenient to use, and solves the problem that the existing device is not convenient for replacing the brush plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic view of the utility model;

[0018] Fig. 2 It is a structure schematic view of the utility model from the side;

[0019] Fig. 3 It is a split structure schematic view of the dustproof cleaning assembly of the utility model.

[0020] In the drawing: 1, shell; 11, bushing; 2, dustproof cleaning assembly; 21, annular fixed plate; 22, annular mounting plate; 23, threaded sleeve; 24, steel mesh; 25, rotating ring; 26, fan blade; 27, brush plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] As Figs. 1-3As shown: including the shell 1, the front of the shell 1 is provided with a bushing 11, the front of the shell 1 is provided with a dust cleaning assembly 2, the dust cleaning assembly 2 includes an annular fixed plate 21 arranged on the front of the shell 1 and below the shell 1, the outer surface of the annular fixed plate 21 is provided with a threaded sleeve 23, the inner wall of the threaded sleeve 23 is fixedly sleeved with a steel mesh 24 away from the annular fixed plate 21, the outer surface of the threaded sleeve 23 is rotatably sleeved with a rotating ring 25 through a bearing ring, the arc surface of the rotating ring 25 is fixedly installed with a plurality of fan blades 26 arranged in an annular array, one side of the rotating ring 25 away from the annular fixed plate 21 is provided with a plate brush 27 in the shape of a cross, one side of the plate brush 27 close to the steel mesh 24 is provided with a bristle, and the bristle is in contact with the surface of the steel mesh 24, through the arrangement of the rotating ring 25 and the fan blade 26, the fan blade 26 is driven to rotate under the action of airflow during driving of the automobile, and then the rotating ring 25 and the plate brush 27 are driven to rotate together by the fan blade 26, and then the dust attached to the surface of the steel mesh 24 is cleaned down by the plate brush 27, only the wind energy can drive the plate brush 27 to clean the steel mesh 24, so that the purpose of energy saving and environmental protection is achieved, and the structure of the rotating ring 25, the fan blade 26, the plate brush 27 and the threaded sleeve 23 is simple, convenient for production and manufacturing, and conducive to reducing production cost;

[0024] Embodiment 2:

[0025] As Figs. 1-3 shown: the outer surface of the annular fixed plate 21 away from the shell 1 is provided with a thread, the threaded sleeve 23 is threadedly sleeved on the outer surface of the annular fixed plate 21, the steel mesh 24 abuts against the end surface of the annular fixed plate 21, the four end portions of the plate brush 27 are detachably installed on the end surface of the rotating ring 25 through bolts, the outer surface of the annular fixed plate 21 close to the shell 1 is fixedly sleeved with an annular mounting plate 22, the annular mounting plate 22 is detachably installed on the side wall of the front of the shell 1 through bolts, and one side of the annular mounting plate 22 close to the front of the shell 1 is bonded with an annular sealing gasket. Through the arrangement that the threaded sleeve 23 is threadedly sleeved on the outer surface of the annular fixed plate 21 and the plate brush 27 is detachably installed on the end surface of the rotating ring 25 through bolts, the purpose of facilitating the dismounting and replacement of the threaded sleeve 23 and the plate brush 27 is achieved, and the use is simple and convenient, and the problem that the existing device is not convenient for replacing the brush plate is solved.

[0026] The working principle and use process of the utility model: the anti-backup automobile brake gap manual adjustment arm of the utility model is assembled on the automobile through the shell 1, the dustproof effect of the shell 1 can be achieved through the steel mesh 24, in the process of driving of the automobile, the air flow velocity around the shell 1 and the dust cleaning assembly 2 increases, the fan blade 26 can drive the rotating ring 25 and the plate brush 27 to rotate on the outer surface of the threaded sleeve 23, and then the dust attached to the threaded sleeve 23 is cleaned down through the plate brush 27.

[0027] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, obviously the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0028] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A back-off prevention automobile brake gap manual adjustment arm, comprising a shell (1), a bushing (11) is formed on the front face of the shell (1); characterized in that A dustproof cleaning assembly (2) is arranged on the front face of the shell (1); The dustproof cleaning assembly (2) comprises an annular fixed plate (21) arranged on the front face of the shell (1) and below the shell (1), a threaded sleeve (23) is arranged on the outer surface of the annular fixed plate (21), a steel mesh (24) is fixedly sleeved on the inner wall of the threaded sleeve (23) away from the annular fixed plate (21), a rotating ring (25) is rotatably sleeved on the outer surface of the threaded sleeve (23) through a bearing ring, a plurality of fan blades (26) are fixedly installed on the arc surface of the rotating ring (25) in an annular array, and a plate brush (27) in the shape of a cross is arranged on the side of the rotating ring (25) away from the annular fixed plate (21).

2. A backspace prevention automotive brake gap manual adjustment arm according to claim 1, wherein: A screw thread is formed on the outer surface of the annular fixed plate (21) away from the shell (1), the threaded sleeve (23) is threadedly sleeved on the outer surface of the annular fixed plate (21), and the steel mesh (24) abuts against the end face of the annular fixed plate (21).

3. A backspace prevention automotive brake gap manual adjustment arm as described in claim 1, wherein: The side of the plate brush (27) close to the steel mesh (24) is provided with bristles, and the bristles are in contact with the surface of the steel mesh (24).

4. A backspace prevention automotive brake gap manual adjustment arm according to claim 1, wherein: The four end portions of the plate brush (27) are detachably installed on the end face of the rotating ring (25) through bolts.

5. A backspace prevention automotive brake gap manual adjustment arm as described in claim 1, wherein: The outer surface of the annular fixed plate (21) close to the shell (1) is fixedly sleeved with an annular mounting plate (22), the annular mounting plate (22) is detachably mounted on the side wall of the front face of the shell (1) through bolts, and an annular sealing gasket is bonded to the side of the annular mounting plate (22) close to the front face of the shell (1).

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