WO2020164505A1

WO2020164505A1 - Brake

Info

Publication number: WO2020164505A1
Application number: PCT/CN2020/074832
Authority: WO
Inventors: 李浩荡; 林文淼; 张磊; 朱雷; 马力; 罗杰; 邹世超
Original assignee: 中原内配（上海）电子科技有限公司
Priority date: 2019-02-13
Filing date: 2020-02-12
Publication date: 2020-08-20

Abstract

A brake, comprising: a driving motor (1), an inner gear (2) provided in linkage with the driving motor (1), an intermediate gear (3) provided in linkage with the inner gear (2), and a sector-shaped gear (4) provided in linkage with the intermediate gear (3). A rotation shaft of the driving motor (1), a rotation shaft of the inner gear (2), a rotation shaft of the intermediate gear (3), and a rotation shaft of the sector-shaped gear (4) are arranged in parallel; the sector-shaped gear (4) internally sleeves a sector-shaped gear output shaft (41); one end of the sector-shaped gear output shaft (41) is connected to a connection rod (5); and an output pin (6) is provided on the connection rod (5). By using a mode that the driving motor (1), the inner gear (2) in linkage with the driving motor (1), the intermediate gear (3) in linkage with the inner gear (2), and the sector-shaped gear (4) in linkage with the intermediate gear (3) are provided in parallel in an overlapping manner, the technical effect of compact structure design in the horizontal direction is achieved, and then the problem of insufficient compact type caused by the large size of the brake in the length direction is solved.

Description

Brake

This application claims the priority of the following patent applications, the entire contents of which are incorporated into this application by reference:

1. On February 13, 2019, a Chinese patent application with the application number of 201910113089.5 and the name "Brake" was submitted to the Chinese Patent Office.

2. On February 13, 2019, a Chinese patent application with the application number of 201920194409.X and the name "Brake" was submitted to the Chinese Patent Office.

Technical field

This application relates to the field of electronically controlled actuators for vehicles, and specifically to a brake.

Background technique

Most electronically controlled actuators use motors as power sources to control the actions of products. In the field of automotive electronically controlled actuators, due to the particularity of their application environment, the overall layout of electronically controlled actuators in related technologies is limited, plus The influence of the working environment temperature has intensified the requirements for the space layout of the actuator.

The actuator usually adopts a motor-driven gear transmission mechanism, and the gear shafts are arranged in parallel. The size of the brake in the related art is relatively large in the length direction, which cannot meet the requirements of miniaturization of the structure.

Aiming at the problem of the large size of the brake in the length direction in the related art, which leads to insufficient compactness, no effective solution has been proposed.

Summary of the invention

The main purpose of the present application is to provide a brake to solve the problem of the large size of the brake in the length direction in the related art, which leads to insufficient compactness.

In order to achieve the above objective, according to one aspect of the present application, a brake is provided.

The brake according to the present application includes: a drive motor, an internal gear arranged in linkage with the drive motor, an intermediate gear arranged in linkage with the internal gear, and a sector gear arranged in linkage with the intermediate gear, and a rotating shaft of the drive motor The rotating shaft of the internal gear, the rotating shaft of the intermediate gear and the rotating shaft of the sector gear are arranged in parallel, the sector gear is sleeved with a sector gear output shaft, and one end of the sector gear output shaft is connected to The connecting rod is connected, and the connecting rod is provided with an output pin.

Further, one end of the drive output shaft of the drive motor is provided with a motor gear, and the motor gear is engaged with the large teeth of the internal gear of the internal gear.

Further, the small teeth of the internal gear of the internal gear are meshedly connected with the large teeth of the intermediate gear of the intermediate gear, and the small teeth of the intermediate gear of the intermediate gear are meshed and connected with the sector gear.

Further, it also includes a housing, and the drive motor, the internal gear, the intermediate gear and the sector gear are arranged in the housing.

Further, it also includes a large cover plate which is arranged on the upper part of the internal gear, the intermediate gear and the sector gear.

Further, it also includes a small cover plate, the small cover plate covering the lower part of the driving motor.

Further, the gear teeth of the sector gear are provided with magnets for induction.

Further, it further includes a position sensor for sensing the position of the magnet, and the position sensor is arranged on the housing on one side of the sector gear.

Further, a through hole is opened on the large cover plate, and the sector gear output shaft of the sector gear extends out of the through hole and is connected with the connecting rod.

Further, the large cover is provided with a first blind hole for fixing the output shaft of the internal gear and a second blind hole for fixing the output shaft of the intermediate gear. One end of the output shaft of the internal gear is inserted into the The first blind hole is fixed, and one end of the output shaft of the intermediate gear is inserted into the second blind hole for fixing.

In the embodiments of this application, the drive motor, the internal gear linked with the drive motor, the intermediate gear linked with the internal gear, and the sector gear linked with the intermediate gear are arranged in parallel and overlapping manner, so as to achieve a compact structure design in the horizontal direction. The technical effect of this, in turn, solves the problem that the size of the brake in the related art is large in the length direction, which leads to insufficient compactness.

Description of the drawings

The drawings constituting a part of the application are used to provide a further understanding of the application, so that other features, purposes and advantages of the application become more obvious. The drawings and descriptions of the schematic embodiments of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:

Fig. 1 is a schematic sectional view of the brake according to the present application;

2 is a diagram of the connection relationship between the internal gear, the intermediate gear and the sector gear according to the present application; and

Fig. 3 is a schematic diagram of the overall structure of the brake according to the present application.

detailed description

In order to enable those skilled in the art to better understand the solution of the application, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the protection scope of this application.

It should be noted that the terms "first" and "second" in the description and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances for the purposes of the embodiments of the present application described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to the clearly listed Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientation or positional relationship indicated by "vertical", "horizontal", "horizontal", "vertical", etc. are based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated device, element, or component must have a specific orientation, or be constructed and operated in a specific orientation.

In addition, some of the above terms may be used to indicate other meanings in addition to the position or position relationship. For example, the term "shang" may also be used to indicate a certain dependency relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

In addition, the terms "installation", "setup", "provided", "connected", "connected", and "socketed" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediary, or between two devices, components, or components. Connectivity within the room. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present application will be described in detail with reference to the drawings and in conjunction with embodiments.

As shown in Figures 1-3, the present application relates to a brake including: a drive motor 1, an internal gear 2 arranged in linkage with the drive motor 1, an intermediate gear 3 arranged in linkage with the internal gear 2, and Gear 3 is a sector gear 4 arranged in linkage.

Preferably, the rotating shaft of the driving motor 1, the rotating shaft of the internal gear 2, the rotating shaft of the intermediate gear 3 and the rotating shaft of the sector gear 4 are arranged in parallel, and the driving of the driving motor 1 One end of the output shaft is provided with a motor gear 14, the motor gear 14 is engaged with the large teeth of the internal gear of the internal gear 2, and the small teeth of the internal gear of the internal gear 2 and the large teeth of the intermediate gear of the intermediate gear 3 Interlocking connection, the intermediate gear pinion of the intermediate gear 3 is in meshing connection with the sector gear 4, through the rotation axis of the internal gear 2, the rotation axis of the intermediate gear 3 and the rotation axis of the sector gear 4 are parallel The arrangement and the mutual overlapping connection reduce the length dimension of the brake in the horizontal direction, so that the brake is more compact and the operation is more stable.

In some embodiments of the present application, a sector gear output shaft 41 is sleeved inside the sector gear 4, one end of the sector gear output shaft 41 is connected to a connecting rod 55, and an output pin is provided on the connecting rod 5 6.

In some embodiments of the present application, a housing 7 is further included. The drive motor 1, the internal gear 2, the intermediate gear 3 and the sector gear 4 are arranged in the housing 7.

In some embodiments of the present application, a large cover plate 8 is further included. The large cover plate 8 is provided on the upper part of the internal gear 2, the intermediate gear 3 and the sector gear 4, and the large cover plate 8 A through hole 11 is opened on the upper part, and the sector gear output shaft 41 of the sector gear 4 extends out of the through hole 11 and is connected with the connecting rod 5, and the large cover plate 8 is provided with an output shaft for fixing the internal gear The first blind hole 12 of the shaft and the second blind hole 13 for fixing the output shaft of the intermediate gear 3, one end of the internal gear output shaft is inserted into the first blind hole 12 for fixing, and the intermediate gear outputs One end of the shaft is inserted into the second blind hole 13 for fixing, and the large cover plate 8 is provided to fix the axes of the internal gear 2, the intermediate gear 3 and the sector gear 4 to ensure stable operation Sex.

In some embodiments of the present application, a small cover plate 9 is further included, and the small cover plate 9 is disposed under the driving motor 1.

In some embodiments of the present application, the gear teeth of the sector gear 4 are provided with a magnet for sensing, and the housing on one side of the sector gear 4 is also provided with a magnet for sensing the position of the magnet. The position sensor 10, because the sector gear 4 and the output pin 6 are integrally linked, the position sensor 10 senses the position of the magnet on the sector gear 4, and then can obtain the current output pin 6 position.

From the above description, it can be seen that this application has achieved the following technical effects:

The above descriptions are only preferred embodiments of the application, and are not used to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A brake, characterized by comprising: a drive motor (1), an internal gear (2) arranged in linkage with the drive motor (1), an intermediate gear (3) arranged in linkage with the internal gear (2), and A sector gear (4) arranged in linkage with the intermediate gear (3);

The rotating shaft of the driving motor (1), the rotating shaft of the internal gear (2), the rotating shaft of the intermediate gear (3) and the rotating shaft of the sector gear (4) are arranged in parallel, and the sector gear A sector gear output shaft (41) is sleeved inside (4), one end of the sector gear output shaft (41) is connected with a connecting rod (5), and an output pin (6) is provided on the connecting rod (5) .
The brake according to claim 1, wherein one end of the drive output shaft of the drive motor (1) is provided with a motor gear (14), the motor gear (14) and the internal gear (2) The large teeth of the internal gear are connected with each other.
The brake according to claim 1, characterized in that the small teeth of the internal gear (2) are in meshing connection with the large teeth of the intermediate gear (3), and the middle of the intermediate gear (3) The pinion of the gear is engaged with the sector gear (4).
The brake according to claim 1, further comprising a housing (7), the drive motor (1), the internal gear (2), the intermediate gear (3) and the sector gear ( 4) Set in the housing (7).
The brake according to claim 1, further comprising a large cover plate (8), the large cover plate (8) covering the internal gear (2), the intermediate gear (3) and the The upper part of the sector gear (4).
The brake according to claim 1, further comprising a small cover plate (9), and the small cover plate (9) is covered under the driving motor (1).
The brake according to claim 1, wherein the gear teeth of the sector gear (4) are provided with magnets for induction.
The brake according to claim 7, further comprising a position sensor (10) for sensing the position of the magnet, and the position sensor (10) is arranged on all sides of the sector gear (4). Mentioned on the shell (7).
The brake according to claim 5, wherein the large cover plate (8) is provided with a through hole (11), and the sector gear output shaft (41) of the sector gear (4) extends out of the through hole (11). The hole (11) is connected with the connecting rod (5).
The brake according to claim 5, characterized in that the large cover (8) is provided with a first blind hole (12) for fixing the output shaft of the internal gear (2) and a first blind hole (12) for fixing the intermediate The second blind hole (13) of the output shaft of the gear (3), one end of the internal gear output shaft is inserted into the first blind hole (12) for fixing, and one end of the intermediate gear output shaft is inserted into the second Fix in the blind hole (13).