Motor driving device for automobile rearview mirror folder

Abstract

The utility model discloses a motor driving device for an automobile rearview mirror folder, the rearview mirror folder comprises a first shell, a mounting cavity is arranged in the first shell, the motor driving device is arranged in the mounting cavity, the motor driving device comprises a second shell and a motor, the motor is arranged in the second shell, the motor comprises a rotating shaft, and the rotating shaft is arranged in the mounting cavity. The rotating shaft is rotationally connected with the second shell, a first buffer part is arranged at the upper end in the second shell, the tail end of the rotating shaft is inserted into the first buffer part, a second buffer part is arranged at the lower end in the second shell, and the output end of the rotating shaft is inserted into the second buffer part. The vibration of the rotating shaft during working is reduced through the first buffer piece and the second buffer piece, so that the stability and the reliability of transmission and driving are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile rearview mirror driving, in particular to a motor driving device for an automobile rearview mirror folding device. Background Art

[0002] With the increasing degree of automation, the manual adjustment structure of the automobile rearview mirror has gradually withdrawn from the market, and the automatic adjustment structure is used more and more widely. In the rearview mirror folder with automatic adjustment function, the motor and the transmission assembly are indispensable components. In the prior art, the motor is installed in the shell, the motor drives the transmission mechanism to rotate, and the transmission mechanism drives the automobile rearview mirror folder to fold, wherein both ends of the rotating shaft pass through the shell, but when the motor drives the transmission mechanism to rotate, the rotating shaft is prone to vibrate during operation, which is not conducive to the stability and accuracy of the transmission. Summary of the invention

[0003] The embodiment of the present application provides a motor drive device for a rearview mirror folder for an automobile, and reduces the vibration of the rotating shaft during operation through a first buffer member and a second buffer member, thereby improving the stability and reliability of transmission and driving.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor drive device for a car rearview mirror folder, the rearview mirror folder includes a first shell, the interior of the first shell is provided with an installation cavity, the motor drive device is arranged inside the installation cavity, the motor drive device includes a second shell and a motor, the motor is arranged inside the second shell, the motor includes a rotating shaft, the rotating shaft is rotatably connected to the second shell, the upper end of the second shell is provided with a first buffer, the tail end of the rotating shaft is inserted into the interior of the first buffer, the lower end of the second shell is provided with a second buffer, and the output end of the rotating shaft is inserted into the interior of the second buffer.

[0005] Compared with the prior art, the advantages of the utility model are:

[0006] The tail end of the rotating shaft is inserted into the interior of the first buffer, and the output end of the rotating shaft is inserted into the interior of the second buffer. When the rotating shaft is working, when the rotating shaft generates axial vibration, the first buffer and the second buffer constrain the rotating shaft, thereby effectively reducing the axial vibration of the rotating shaft and improving the stability and reliability of transmission and driving.

[0007] As an improvement, a first groove is provided at the lower end of the first buffer component, and the tail end of the rotating shaft is inserted into the interior of the first groove; a second groove is provided at the upper end of the second buffer component, and the output end of the rotating shaft is inserted into the interior of the second groove. By inserting the tail end of the rotating shaft into the interior of the first groove and the output end of the rotating shaft into the interior of the second groove, when the rotating shaft generates radial vibration, the first groove and the second groove constrain the rotating shaft, thereby effectively reducing the radial vibration of the rotating shaft and further improving the stability of transmission and driving.

[0008] As an improvement, the first buffer member and the second buffer member are made of elastic material, which can effectively buffer the stress generated between the rotating shaft and the first groove and between the rotating shaft and the second groove, thereby increasing the service life of the rotating shaft.

[0009] As an improvement, the second shell includes an elastic hoop and a base. The elastic hoop is arranged at the upper part of the base. The elastic hoop includes a transverse elastic arm and a vertical elastic arm. The vertical elastic arm is arranged on both sides of the transverse elastic arm. The first buffer is arranged at the lower end of the transverse elastic arm. The lower end of the vertical elastic arm is provided with a buckle block. Both sides of the base are provided with buckle grooves matched with the buckle blocks. The motor is installed in the shell, and the first buffer is inserted between the transverse elastic arm and the rotating shaft. The motor is more convenient to install. At the same time, the buckle blocks of the two vertical elastic arms of the elastic hoop cooperate with the buckle grooves, which has a better clamping effect on the motor.

[0010] As an improvement, a protrusion is provided at the upper end of the first buffer member, and the transverse elastic arm is provided with a through hole adapted to the protrusion. The protrusion is inserted into the through hole, and the insertion of the protrusion into the through hole facilitates the limiting of the transverse elastic arm and the positioning and installation of the elastic hoop.

[0011] As an improvement, the first shell includes a lower shell, a plug-in block is provided at the lower end of the base, the second buffer member is provided inside the plug-in block, the lower shell is provided with a slot corresponding to the plug-in block, and the plug-in block is inserted into the slot to facilitate the installation and positioning of the base and the lower shell, thereby facilitating the installation of the first shell and the second shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0013] Figure 1 The present invention is a schematic cross-sectional structure diagram of a motor drive device for a rearview mirror folding device of an automobile;

[0014] Figure 2 It is a schematic diagram of the matching structure of the elastic hoop and the first buffer member.

[0015] The marks in the above figures are respectively: 1. rearview mirror folder; 1.1. first shell; 1.1.1. installation cavity; 1.1.2. lower shell; 1.1.2.1. slot; 2. motor drive device; 2.1. second shell; 2.1.1. elastic hoop; 2.1.1.1. transverse elastic arm; 2.1.1.1.1. through hole; 2.1.1.2. vertical elastic arm; 2.1.1.2.1. buckle block; 2.1.2. base; 2.1.2.1. buckle groove; 2.1.2.2. plug-in block; 2.2. motor; 2.2.1. rotating shaft; 2.3. first buffer member; 2.3.1. first groove; 2.3.2. protrusion; 2.4. second buffer member; 2.4.1. second groove. DETAILED DESCRIPTION

[0016] In the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0017] like Figure 1 As shown, the rearview mirror folder 1 includes a first shell 1.1, a mounting cavity 1.1.1 is provided inside the first shell 1.1, the motor drive device 2 is provided inside the mounting cavity 1.1.1, the motor drive device 2 includes a second shell 2.1 and a motor 2.2, the motor 2.2 is provided inside the second shell 2.1, the motor 2.2 includes a rotating shaft 2.2.1, and the rotating shaft 2.2.1 is rotationally connected to the second shell 2.1, characterized in that: a first buffer 2.3 is provided at the upper end of the second shell 2.1, a first groove 2.3.1 is provided at the lower end of the first buffer 2.3, the tail end of the rotating shaft 2.2.1 is inserted into the first groove 2.3.1, a second buffer 2.4 is provided at the lower end of the second shell 2.1, a second groove 2.4.1 is provided at the upper end of the second buffer 2.4, and the output end of the rotating shaft 2.2.1 is inserted into the second groove 2.4.1.

[0018] The first shell 1.1 comprises a lower shell 1.1.2, a plug-in block 2.1.2.2 is provided at the lower end of the base 2.1.2, the second buffer member 2.4 is arranged inside the plug-in block 2.1.2.2, the lower shell 1.1.2 is provided with a slot 1.1.2.1 corresponding to the plug-in block 2.1.2.2, and the plug-in block 2.1.2.2 is inserted into the slot 1.1.2.1.

[0019] like Figure 2 As shown, the second shell 2.1 includes an elastic hoop 2.1.1 and a base 2.1.2. The elastic hoop 2.1.1 is arranged on the upper part of the base 2.1.2. The elastic hoop 2.1.1 includes a transverse elastic arm 2.1.1.1 and a vertical elastic arm 2.1.1.2. The vertical elastic arm 2.1.1.2 is arranged on both sides of the transverse elastic arm 2.1.1.1. The first buffer member 2.3 is arranged at the lower end of the transverse elastic arm 2.6.1. A bump 2.3.2 is provided at the upper end of a buffer member 2.3, the transverse elastic arm 2.1.1.1 is provided with a through hole 2.1.1.1.1 matched with the bump 2.3.2, the bump 2.3.2 is inserted into the through hole 2.1.1.1.1, the lower end of the vertical elastic arm 2.1.1.2 is provided with a buckle block 2.1.1.2.1, and buckle grooves 2.1.2.1 matched with the buckle block 2.1.1.2.1 are provided on both sides of the base 2.1.2.

[0020] Install the motor 2.2 and the rotating shaft 2.2.1 into the interior of the base 2.1.2, and engage the buckle blocks 2.1.1.2.1 of the two vertical elastic arms 2.1.1.2 of the elastic hoop 2.1.1 with the buckle groove 2.1.2.1 of the base 2.1.2, the transverse elastic arm 2.1.1.1 is arranged on the upper part of the motor 2.2, and the first buffer 2.3 is arranged on the lower end of the transverse elastic arm 2.1.1.1, and the protrusion 2.3.2 of the first buffer 2.3 is inserted into the through hole 2.1.1.1.1 of the transverse elastic arm 2.1.1.1, and the tail end of the rotating shaft 2.2.1 is inserted into the first groove 2.3.1 of the first buffer 2.3, and the second The buffer member 2.4 is arranged inside the plug block 2.1.2.2, and the output end of the rotating shaft 2.2.1 is inserted into the second groove 2.4.1 of the second buffer member 2.4. The first buffer member 2.3 and the second buffer member 2.4 are made of elastic material. Preferably, the elastic material includes silicone and soft rubber. The first shell 1.1 includes an upper shell, a lower shell 1.1.2, and a accommodating cavity. The upper shell is connected to the lower shell 1.1.2, and the accommodating cavity is arranged between the upper shell and the lower shell 1.1.2. The plug block 2.1.2.2 of the base 2.1.2 is inserted into the slot 1.1.2.1 of the lower shell 1.1.2, so that the second shell 2.1 is arranged in the accommodating cavity.

[0021] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A motor drive device for a rearview mirror folder of an automobile, the rearview mirror folder (1) comprising a first housing (1.1), wherein the first housing (1.1) is provided with a mounting cavity ( 1.1.1), the motor drive device (2) is arranged inside the installation cavity (1.1.1), the motor drive device (2) comprises a second shell (2.1), a motor (2.2), the motor (2.2) is arranged inside the second shell (2.1), the motor (2.2) comprises a rotating shaft (2.2.1), the rotating shaft (2.2.1) is rotatably connected to the second shell (2.1), and is characterized in that: A first buffer (2.3) is provided at the upper end of the second shell (2.1), the tail end of the rotating shaft (2.2.1) is inserted into the first buffer (2.3), a second buffer (2.4) is provided at the lower end of the second shell (2.1), and the output end of the rotating shaft (2.2.1) is inserted into the second buffer (2.4).

2. The motor driving device for a rearview mirror folder of a vehicle according to claim 1, characterized in that: A first groove (2.3.1) is provided at the lower end of the first buffer (2.3), and the tail end of the rotating shaft (2.2.1) is inserted into the first groove (2.3.1); a second groove (2.4.1) is provided at the upper end of the second buffer (2.4), and the output end of the rotating shaft (2.2.1) is inserted into the second groove (2.4.1).

3. The motor driving device for a rearview mirror folder of a vehicle according to claim 1, characterized in that: The first buffer component (2.3) and the second buffer component (2.4) are made of elastic material.

4. The motor driving device for a rearview mirror folder of a vehicle according to claim 1, characterized in that: The second shell (2.1) comprises an elastic hoop (2.1.1) and a base (2.1.2). The elastic hoop (2.1.1) is arranged on the upper part of the base (2.1.2). The elastic hoop (2.1.1) comprises a transverse elastic arm (2.1.1.1) and a vertical elastic arm (2.1.1.2). The vertical elastic arm (2.1.1.2) is arranged on the transverse elastic arm ( The first buffer member (2.3) is arranged at the lower end of the transverse elastic arm (2.6.1), the lower end of the vertical elastic arm (2.1.1.2) is provided with a buckle block (2.1.1.2.1), and buckle grooves (2.1.2.1) matched with the buckle blocks (2.1.1.2.1) are arranged on both sides of the base (2.1.2).

5. The motor driving device for a rearview mirror folder of a vehicle according to claim 4, characterized in that: The upper end of the first buffer (2.3) is provided with a protrusion (2.3.2), and the transverse elastic arm ( 2.1.1.1) is provided with a through hole (2.3.2) adapted to the projection (2.3.2) 2.1.1.1.1), the protrusion (2.3.2) is inserted into the through hole ( 2.1.1.1.1)。 6. The motor driving device for a rearview mirror folder of a vehicle according to claim 4, characterized in that: The first shell (1.1) comprises a lower shell (1.1.1); an insert block (2.1.2.2) is provided at the lower end of the base (2.1.2); the second buffer member (2.4) is arranged inside the insert block (2.1.2.2); the lower shell (1.1.1) is provided with a slot (1.1.1.1) corresponding to the insert block (2.1.2.2); and the insert block (2.1.2.2) is inserted into the slot (1.1.1.1).

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