Automobile rear-row pedal driving motor module

Abstract

The utility model discloses an automobile rear-row pedal driving motor module, which comprises a casing, a rotor assembly and a stator assembly, the rotor assembly and the stator assembly are respectively arranged in the casing, and the rotor assembly is provided with a motor rotating shaft; the front end part of the motor rotating shaft extends to the front end side of the shell, and the rear end part of the motor rotating shaft extends to the rear end side of the shell; a front planetary reducer is arranged at the front end of the machine shell, a rear planetary reducer is arranged at the rear end of the machine shell, the front end of the motor rotating shaft serves as the input end of the front planetary reducer, and the rear end of the motor rotating shaft serves as the input end of the rear planetary reducer. An output shaft of the front planetary reducer forwards extends out of a reducer shell of the front planetary reducer, an output shaft of the rear planetary reducer backwards extends out of a reducer shell of the rear planetary reducer, and the output shafts of the planetary reducers and the motor rotating shaft are axially aligned. The automobile rear-row pedal driving motor module is novel in structural design and can drive the automobile pedal to stably rotate.

Description

Technical Field

[0001] This utility model relates to the field of motor driver technology, and in particular to a motor module for driving the rear foot pedal of an automobile. Background Technology

[0002] Electric foot pedals (also known as electric retractable pedals or smart car pedals) are electric mechanisms designed to facilitate getting in and out of vehicles. When in operation, the foot pedals are driven by a motor-driven module to fold, switching between unfolded and folded states. For rear-seat foot pedals, electric foot pedals offer a good balance of convenience for passengers to rest without sacrificing interior space.

[0003] The Chinese utility model patent with patent number ZL202322239203.3 and patent name, entitled "A Drive Structure for Automobile Foot Pedals," essentially discloses a foot pedal drive motor module. Specifically, the drive structure for automobile foot pedals discloses the following technical solution: A drive structure for automobile foot pedals includes a motor and a reducer. The motor includes a housing and a rotating shaft, with the rotating shaft rotatably passing through the housing. The reducer is connected to the motor and is located at one end of the motor. The reducer has an installation position for mounting the automobile foot pedal and includes an output shaft. The rotating shaft can drive the output shaft to rotate, thereby indirectly driving the automobile foot pedal.

[0004] When the aforementioned drive structure for car pedals is in operation, the motor starts and the motor shaft is reduced in speed by the reducer and then drives the car pedal to rotate through the output shaft, so as to switch the car pedal between the unfolded position and the folded position.

[0005] It should be noted that the above-mentioned drive structure for car pedals still has the following defects: the reducer is installed on one end of the motor housing. During operation, the motor shaft is reduced in speed by the reducer and then drives the car pedal to rotate through the output shaft. That is, the drive structure for car pedals can only drive the car pedal to rotate through one output end. This cannot guarantee the balance of force when the car pedal is driven. If the force is unbalanced, it will affect the service life of the car pedal and the smoothness of the car pedal rotation. Utility Model Content

[0006] The purpose of this utility model is to provide a car rear foot pedal drive motor module to address the shortcomings of the existing technology. This car rear foot pedal drive motor module has a novel structural design and can drive the car foot pedal to rotate smoothly.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0008] A motor module for driving a rear foot pedal in a car includes a motor module, which includes a housing and a rotor assembly and a stator assembly respectively installed inside the housing. The rotor assembly is provided with a motor shaft.

[0009] The front end of the motor shaft extends to the front end of the housing, and the rear end of the motor shaft extends to the rear end of the housing.

[0010] The front end of the housing is equipped with a front planetary reducer, and the rear end of the housing is equipped with a rear planetary reducer. The front end of the motor shaft serves as the input end of the front planetary reducer, and the rear end of the motor shaft serves as the input end of the rear planetary reducer.

[0011] The output shaft of the front planetary reducer extends forward out of the reducer housing, and the output shaft of the rear planetary reducer extends backward out of the reducer housing. The output shafts of each planetary reducer and the motor shaft are axially aligned.

[0012] Each of the output shafts is fastened with an output spline, and each output spline has a spline groove for connecting to the car pedal.

[0013] The housing is cylindrical in shape, with a front cover fitted at the front end and a rear cover fitted at the rear end. The front end of the motor shaft is rotatably mounted to the front cover via a bearing, and the rear end of the motor shaft is rotatably mounted to the rear cover via a bearing.

[0014] The front end of the front cover is provided with a front connecting part, and the reducer housing of the front planetary reducer is positioned and fitted around the front connecting part, and the reducer housing of the front planetary reducer is screwed to the front connecting part.

[0015] The rear end of the rear cover is provided with a rear connecting part, and the reducer housing of the rear planetary reducer is positioned and fitted around the rear connecting part, and the reducer housing of the rear planetary reducer is screwed to the rear connecting part.

[0016] The front end of the motor shaft is equipped with a front input gear, which meshes with the planetary gear inside the front planetary reducer.

[0017] The rear end of the motor shaft is equipped with a rear input gear, which meshes with the planetary gear inside the rear planetary reducer.

[0018] The outer diameter of the rear foot pedal drive motor module is less than 38mm, and the length of the rear foot pedal drive motor module is less than 150mm.

[0019] Compared with existing technologies, this invention has the following advantages: Specifically, during the rotation of the car's rear foot pedal, the front end of the motor shaft drives the foot pedal after being slowed down by a front planetary reducer, and the rear end of the motor shaft drives the foot pedal after being slowed down by a rear planetary reducer. That is, the output shafts of the front and rear planetary reducers directly drive the foot pedal, thus achieving synchronous dual-position drive of the foot pedal. This ensures smooth force distribution during foot pedal rotation and effectively improves the stability of the foot pedal's rotation. Therefore, the rear foot pedal drive motor module of this invention has the advantage of novel structural design and can drive the foot pedal to rotate smoothly. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 for Figure 1 A schematic diagram of its breakdown.

[0023] Figure 3 This is a schematic diagram of the motor module of this utility model.

[0024] Figure 4 for Figure 3 A schematic diagram of its breakdown.

[0025] exist Figures 1 to 4 This includes:

[0026] 1-Motor module; 11-Housing; 12-Motor shaft; 13-Front end cover; 131-Front connecting part; 14-Rear end cover; 141-Rear connecting part; 21-Front planetary reducer; 22-Rear planetary reducer; 23-Output shaft; 24-Reducer housing; 3-Output spline; 31-Spline groove; 4-Bearing; 51-Front input gear; 52-Rear input gear. Detailed Implementation

[0027] The present invention will now be described in conjunction with specific embodiments.

[0028] Example 1, as Figures 1 to 4 As shown, a rear foot pedal drive motor module for automobiles includes a motor module 1. The motor module 1 includes a housing 11 and a rotor assembly and a stator assembly respectively installed inside the housing 11. The rotor assembly is provided with a motor shaft 12. It should be noted that the rotor assembly and stator assembly of the motor module 1 are already existing technologies and will not be described in detail here.

[0029] Among them, such as Figures 1 to 4 As shown, the front end of the motor shaft 12 extends to the front end of the housing 11, and the rear end of the motor shaft 12 extends to the rear end of the housing 11.

[0030] Furthermore, such as Figure 1 and Figure 2 As shown, a front planetary reducer 21 is installed at the front end of the housing 11, and a rear planetary reducer 22 is installed at the rear end of the housing 11. The front end of the motor shaft 12 serves as the input end of the front planetary reducer 21, and the rear end of the motor shaft 12 serves as the input end of the rear planetary reducer 22.

[0031] Furthermore, such as Figure 1 and Figure 2 As shown, the output shaft 23 of the front planetary reducer 21 extends forward out of the reducer housing 24 of the front planetary reducer 21, and the output shaft 23 of the rear planetary reducer 22 extends backward out of the reducer housing 24 of the rear planetary reducer 22. The output shafts 23 of each planetary reducer and the motor shaft 12 are axially aligned.

[0032] It should be explained that the reducer housings 24 of the front planetary reducer 21 and the rear planetary reducer 22 in this embodiment are respectively cylindrical. That is, the entire rear foot pedal drive motor module of this embodiment is cylindrical. The outer diameter of the rear foot pedal drive motor module is less than 38mm, and the length of the rear foot pedal drive motor module is less than 150mm.

[0033] In the process of driving the car pedal rotation using the rear foot pedal drive motor module of this embodiment, the front end of the motor shaft 12 drives the car pedal after being reduced in speed by the front planetary reducer 21, and the rear end of the motor shaft 12 drives the car pedal after being reduced in speed by the rear planetary reducer 22. That is, the output shafts 23 of the front planetary reducer 21 and the rear planetary reducer 22 directly drive the car pedal, so as to realize the dual-position synchronous drive of the car pedal, to ensure that the force is stable when the car pedal rotates, and to effectively improve the stability of the car pedal rotation.

[0034] In summary, through the above structural design, the rear foot pedal drive motor module of this embodiment can achieve dual-position drive of the car foot pedal through the output of a bidirectional planetary reducer. Therefore, the rear foot pedal drive motor module of this embodiment has the advantage of novel structural design and can drive the car foot pedal to rotate smoothly.

[0035] Example 2, as Figure 1 and Figure 2As shown, the difference between this embodiment 2 and embodiment 1 is that each output shaft 23 is respectively fastened with an output spline 3, and each output spline 3 is respectively provided with a spline groove 31 for connecting with the car foot pedal.

[0036] In the process of using the rear foot pedal drive motor module of this embodiment to realize the rotation drive of the car foot pedal, the output shaft 23 of the front planetary reducer 21 and the output shaft 23 of the rear planetary reducer 22 are respectively connected to the car foot pedal through the output spline 3, and each output spline 3 is respectively connected to the connection end of the car foot pedal through the corresponding spline groove 31 to prevent rotation. The connection is convenient and quick, and easy to disassemble and maintain.

[0037] Example 3, as Figures 1 to 4 As shown, the difference between this embodiment 3 and embodiment 1 is that: the housing 11 is cylindrical, the front end of the housing 11 is fitted with a front cover 13, the rear end of the housing 11 is fitted with a rear cover 14, the front end of the motor shaft 12 is rotatably mounted on the front cover 13 through the bearing 4, and the rear end of the motor shaft 12 is rotatably mounted on the rear cover 14 through the bearing 4.

[0038] The front end of the front cover 13 is provided with a front connecting part 131. The reducer housing 24 of the front planetary reducer 21 is positioned and fitted around the front connecting part 131, and the reducer housing 24 of the front planetary reducer 21 is screwed to the front connecting part 131.

[0039] In addition, a rear connecting part 141 is provided at the rear end of the rear cover 14. The reducer housing 24 of the rear planetary reducer 22 is positioned and fitted around the rear connecting part 141, and the reducer housing 24 of the rear planetary reducer 22 is screwed to the rear connecting part 141.

[0040] In the assembly process of the rear foot pedal drive motor module of this embodiment, the front cover 13 can quickly install and position the reducer housing 24 of the front planetary reducer 21 through its front connecting part 131, and the rear cover 14 can quickly install and position the reducer housing 24 of the rear planetary reducer 22 through its rear connecting part 141.

[0041] Example 4, as Figures 2 to 4 As shown, the difference between this embodiment four and embodiment one is that: the front end of the motor shaft 12 is equipped with a front input gear 51, which meshes with the planetary gear inside the front planetary reducer 21.

[0042] The rear end of the motor shaft 12 is equipped with a rear input gear 52, which meshes with the planetary gear inside the rear planetary reducer 22.

[0043] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automobile rear row foot pedal driving motor module, comprising a motor module (1), the motor module (1) comprising a motor shell (11) and a rotor assembly and a stator assembly respectively arranged inside the motor shell (11), the rotor assembly being provided with a motor rotating shaft (12); characterized in that a front end portion of the motor rotating shaft (12) extending to a front end side of the motor shell (11), and a rear end portion of the motor rotating shaft (12) extending to a rear end side of the motor shell (11); a front planetary reducer (21) being arranged at a front end portion of the motor shell (11), and a rear planetary reducer (22) being arranged at a rear end portion of the motor shell (11), the front end portion of the motor rotating shaft (12) serving as an input end of the front planetary reducer (21), and the rear end portion of the motor rotating shaft (12) serving as an input end of the rear planetary reducer (22); an output shaft (23) of the front planetary reducer (21) extending out of a reducer shell (24) of the front planetary reducer (21) in a front direction, and an output shaft (23) of the rear planetary reducer (22) extending out of a reducer shell (24) of the rear planetary reducer (22) in a rear direction, the output shafts (23) of the planetary reducers and the motor rotating shaft (12) being arranged in axial alignment.

2. The automobile rear row foot pedal driving motor module according to claim 1, characterized in that: Each of the output shafts (23) is tightly sleeved with an output spline (3), and each of the output splines (3) is provided with a spline groove (31) connected with an automobile foot pedal.

3. The automobile rear row foot pedal driving motor module according to claim 1, characterized in that: The motor shell (11) is in a cylindrical shape, a front end portion of the motor shell (11) is sleeved with a front end cover (13), a rear end portion of the motor shell (11) is sleeved with a rear end cover (14), a front end portion of the motor rotating shaft (12) is rotatably arranged in the front end cover (13) through a bearing (4), and a rear end portion of the motor rotating shaft (12) is rotatably arranged in the rear end cover (14) through a bearing (4); a front end portion of the front end cover (13) is provided with a front connecting portion (131), the reducer shell (24) of the front planetary reducer (21) is positioned and sleeved on an outer periphery of the front connecting portion (131), and the reducer shell (24) of the front planetary reducer (21) is screwed with the front connecting portion (131); a rear end portion of the rear end cover (14) is provided with a rear connecting portion (141), the reducer shell (24) of the rear planetary reducer (22) is positioned and sleeved on an outer periphery of the rear connecting portion (141), and the reducer shell (24) of the rear planetary reducer (22) is screwed with the rear connecting portion (141).

4. The automobile rear row foot pedal driving motor module according to claim 1, characterized in that: A front input gear (51) is arranged at the front end portion of the motor rotating shaft (12), and the front input gear (51) is engaged with planetary gears inside the front planetary reducer (21); a rear input gear (52) is arranged at the rear end portion of the motor rotating shaft (12), and the rear input gear (52) is engaged with planetary gears inside the rear planetary reducer (22).

5. The automobile rear row foot pedal driving motor module according to claim 1, characterized in that: An outer diameter value of the automobile rear row foot pedal driving motor module is less than 38 mm, and a length value of the automobile rear row foot pedal driving motor module is less than 150 mm.

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