Full-disc braking device

Abstract

The utility model provides a full-disc braking device, and relates to the technical field of automobile braking. The full-disc brake device comprises an output shaft, a motion conversion piece, an ejector rod assembly, a thrust frame and a brake disc. The output shaft is provided with a first helical tooth part; the motion conversion piece comprises an annular part, a plurality of slope-shaped parts and a second helical tooth part; the annular part and the slope-shaped part are integrally formed; the second helical tooth part is arranged on the inner wall of the annular part and is engaged with the first helical tooth part; one end of the ejector rod assembly abuts against the slope-shaped part, and the other end of the ejector rod assembly abuts against the thrust frame. The thrust frame is provided with a plurality of first brake blocks, and the brake disc is provided with a plurality of second brake blocks; the brake disc is arranged on one side of the thrust frame, and the first brake block is matched with the second brake block. The full-disc brake device solves the technical problems that an existing brake is poor in heat dissipation effect, and a motion conversion piece is difficult to machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile braking, in particular to a full-plate brake device. BACKGROUND

[0002] The brake is a kind of device with the function of making moving parts (or moving machinery) deceleration, stop or keep stop state.

[0003] The brake used by existing automobile generally includes drum brake and disc brake.The brake drum of drum brake is arranged in closed structure, and brake drum and brake pad are not easy to heat dissipation when braking, which influences braking effect and service life;Disc brake includes output shaft, motion conversion piece, ejector rod, thrust frame and brake disc, output shaft rotates and drives motion conversion piece to rotate, motion conversion piece pushes ejector rod, and ejector rod pushes thrust frame, so that brake pad on thrust frame and brake pad on brake disc are close, thereby braking is carried out, but the existing motion conversion piece is provided with cylindrical inner wall near the slope of inner wall, which leads to difficult processing and is not conducive to brake heat dissipation.

[0004] The present inventor has at least found the following problems in the process of realizing the embodiment:

[0005] The existing brake has poor heat dissipation effect, and motion conversion piece is difficult to process. INVENTION CONTENTS

[0006] The utility model discloses a full-plate brake device, solve the existing brake, and the technical problem that motion conversion piece processing is more difficult of poor heat dissipation effect.

[0007] INVENTION SCHEME:

[0008] The utility model provides a full-plate brake device, including output shaft, motion conversion piece, ejector rod subassembly, thrust frame and brake disc, the output shaft is equipped with first bevel gear portion, the motion conversion piece includes annular portion, a plurality of slope and second bevel gear portion, the annular portion with the slope is integrally formed, the second bevel gear portion sets up in the inner wall of the annular portion, and it is engaged with the first bevel gear portion, one end of the ejector rod subassembly with the slope is opposite, and its other end with the thrust frame is opposite, the thrust frame is equipped with a plurality of first brake blocks, one side of the brake disc is equipped with a plurality of second brake blocks, the brake disc sets up in one side of the thrust frame, and the first brake block with the second brake block is adapted.

[0009] Further, the outer wall of the motion conversion piece is provided with a plurality of grooves.

[0010] Further, the outer side of the motion conversion piece is provided with a protective shell, and the protective shell is fixedly connected with the ejector rod subassembly.

[0011] Further, the motion conversion piece is pivoted with several pivots.

[0012] Further, a thrust bearing is arranged between the protective shell and the motion conversion piece.

[0013] Further, the first brake block is provided with three, which are arranged uniformly on the thrust frame; the second brake block is provided with three, which are arranged uniformly on the brake disc.

[0014] Beneficial effects:

[0015] The utility model provides a full disc brake device, when using, output shaft rotates, first bevel gear portion rotation drives second bevel gear portion rotation, motion conversion piece promotes the movement of the jackscrew assembly, and the jackscrew assembly promotes the movement of the thrust frame, and first brake block is close to second brake block, thereby realizes the brake, the annular portion and the slope integral molding of this kind of full disc brake device do not have cylinder inner wall, and motion conversion piece processing is easier, and the material is less, and the heat dissipation capacity of full disc brake device is strengthened. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description, and obviously, the drawing in the following description is some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 The structure schematic view of full disc brake device is provided for the embodiment;

[0018] Figure 2 The structure schematic view of full disc brake device is provided for the embodiment;

[0019] Figure 3 The structure schematic view of full disc brake device is provided for the embodiment;

[0020] Figure 4 The structure schematic view of full disc brake device is provided for the embodiment;

[0021] Figure 5 The structure schematic view of full disc brake device is provided for the embodiment.

[0022] Icon:

[0023] 100-output shaft, 110-first bevel gear portion;

[0024] 200 - motion conversion member; 210 - annular portion; 220 - ramped portion; 230 - second bevel; 240 - groove; 250 - pivot;

[0025] 300 - top rod assembly;

[0026] 400 - thrust frame; 410 - first brake pad;

[0027] 500 - brake disc; 510 - second brake pad;

[0028] 600 - protective shell; 610 - thrust bearing. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the detailed description of the embodiments of the present application provided in the drawings below is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0031] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0033] In addition, the terms "horizontal", "vertical" and the like are not intended to mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] Some embodiments of the utility model will be described in detail below in combination with the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0035] The embodiment provides a full-plate braking device, please refer to Figures 1-5 The output shaft 100 is provided with a first helical tooth portion 110; the motion conversion piece 200 includes an annular portion 210, a plurality of slope portions 220 and a second helical tooth portion 230; the annular portion 210 is integrally formed with the slope portion 220; the second helical tooth portion 230 is arranged on the inner wall of the annular portion 210, and it is engaged with the first helical tooth portion 110; one end of the ejector rod assembly 300 abuts against the slope portion 220, and the other end abuts against the thrust frame 400; the thrust frame 400 is provided with a plurality of first brake blocks 410, and one side of the brake disc 500 is provided with a plurality of second brake blocks 510; the brake disc 500 is arranged on one side of the thrust frame 400, and the first brake blocks 410 are adapted with the second brake blocks 510.

[0036] Specifically, the output shaft 100 is connected with the adjusting arm, the adjusting wall is connected with the air chamber, the adjusting arm and the air chamber are not shown in the figure, the first bevel gear part 110 and the second bevel gear part 230 are engaged, and the output shaft 100 can be rotated. Thus driving the motion conversion piece 200 to rotate, thereby driving the ejector rod assembly 300; the motion conversion piece 200 drives the ejector rod assembly 300 to move forward through the axial force of the slope part 220, the annular part 210 is longer than the existing motion conversion piece 200, and there is no material on both sides of the slope part 220. The slope part 220 rotates to drive the ejector rod assembly 300 to move forward; the thrust frame 400 is driven by the ejector rod assembly 300 to make the first brake block 410 and the second brake block 510 converge, so as to realize braking. The output shaft 100 rotates, the first bevel gear part 110 rotates to drive the second bevel gear part 230 to rotate, the motion conversion piece 200 drives the ejector rod assembly 300 to move, the ejector rod assembly 300 drives the thrust frame 400 to move, and the first brake block 410 moves to the second brake block 510, so as to realize braking.

[0037] In the embodiment, the outer wall of the motion conversion piece 200 is provided with a plurality of grooves 240.

[0038] Specifically, the grooves 240 are arranged to reduce the space occupied by the motion conversion piece 200, thereby improving the heat dissipation efficiency of the full-plate brake device.

[0039] In the embodiment, the outer side of the motion conversion piece 200 is provided with a protective shell 600, and the protective shell 600 is fixedly connected with the ejector rod assembly 300.

[0040] Specifically, the protective shell 600 is used to prevent the motion conversion piece 200 from being damaged, so as to ensure the stable operation of the motion conversion piece 200.

[0041] In the embodiment, the motion conversion piece 200 is pivotally connected with a plurality of pivots 250.

[0042] Specifically, the pivots 250 on the motion conversion piece 200 are rotationally connected with the protective shell 600, which can limit the motion conversion piece 200 to a certain extent, so that the motion conversion piece 200 operates stably and accurately.

[0043] In the embodiment, a thrust bearing 610 is arranged between the protective shell 600 and the motion conversion piece 200.

[0044] Specifically, the thrust bearing 610 is used to reduce the friction between the motion conversion piece 200 and the protective shell 600, so as to ensure the smooth operation of the motion conversion piece 200.

[0045] In the embodiment, the first brake block 410 is provided with three, which are uniformly arranged on the thrust frame 400; the second brake block 510 is provided with three, which are uniformly arranged on the brake disc 500.

[0046] Specifically, the three first brake blocks 410 evenly arranged on the thrust frame 400 and the three second brake blocks 510 evenly arranged on the brake disc 500 form a triangle, and under the premise of stable braking, the use of the first brake blocks 410 and the second brake blocks 510 is saved, thereby improving the heat dissipation efficiency.

[0047] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A full disc brake apparatus characterized by comprising: The utility model relates to a kind of output shafts (100), motion conversion pieces (200), top rod assemblies (300), thrust frames (400) and brake discs (500);The output shaft (100) is provided with first helical gear portion (110); The output shaft (100) is provided with first helical gear portion (110); The motion conversion piece (200) includes annular portion (210), several slope portions (220) and second helical gear portion (230); The annular portion (210) is integrally formed with the slope portion (220); The second helical gear portion (230) is arranged on the inner wall of the annular portion (210), and it is engaged with the first helical gear portion (110); One end of the top rod assembly (300) is abutted with the slope portion (220), and the other end is abutted with the thrust frame (400); The thrust frame (400) is provided with a plurality of first brake blocks (410), and one side of the brake disc (500) is provided with a plurality of second brake blocks (510); The brake disc (500) is arranged on one side of the thrust frame (400), and the first brake block (410) is adapted with the second brake block (510).

2. A full disc brake device according to claim 1, wherein The outer wall of the motion conversion piece (200) is provided with a plurality of grooves (240).

3. A full disc brake device according to claim 2, wherein The outer side of the motion conversion piece (200) is provided with a protective shell (600), and the protective shell (600) is fixedly connected with the top rod assembly (300).

4. A full disc brake device according to claim 3, wherein The motion conversion piece (200) is pivoted with a plurality of pivots (250).

5. A full disc brake device according to claim 4, wherein The connection between the protective shell (600) and the motion conversion piece (200) is provided with a thrust bearing (610).

6. A full disc brake device according to claim 5, wherein The first brake block (410) is provided with three, and it is uniformly arranged on the thrust frame (400); The second brake block (510) is provided with three, and it is uniformly arranged on the brake disc (500).

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