Electric folder

Abstract

The utility model relates to the technical field of automobile manufacturing, in particular to an electric folder which comprises an upper cover, a circuit board is installed at the bottom of the upper cover, a motor is installed on one side of the circuit board, a supporting piece is arranged at the bottom of a middle cover, a combined gear is installed at the bottom of the motor, and a small gear is installed on one side of the combined gear. A base is installed at the bottom of the small gear, an anti-attrition gasket is installed at the bottom of the base, a locking gasket is arranged at the upper end of the base, a large gear is installed at the bottom of the locking gasket, a spring clamping ring is arranged at the bottom of the large gear, and a compression spring is installed at the bottom of the spring clamping ring. The positioning shaft and the base are integrated during use, so that the positioning shaft and the base are prevented from being broken due to stress concentration during stress, the pinion is additionally arranged, and the situation that plastic materials slightly deform under external temperature, humidity and other environmental factors, so that the concentricity is influenced, and noise is generated is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, concretely is electric folding device. BACKGROUND

[0002] The automobile rearview mirror is an important automobile accessory for the driver to observe the running state of the rear vehicle and pedestrian during the automobile driving process, and is an important guarantee for safe driving. Since the rearview mirror is installed on both sides of the automobile, when the automobile passes through a narrow space or a place with many pedestrians during the driving process, the rearview mirror is avoided from being damaged to cause loss or dispute. Therefore, an electric folding device is installed in the rearview mirror. The electric folding device can drive the rearview mirror to fold, so that the rearview mirror realizes the functions of folding or unfolding. To enable the electric folding device to work reliably, the reliability of the transmission mechanism in the electric folding device is very important.

[0003] The inventor found the following problems in the prior art during the implementation of the utility model: 1. The positioning column of the electric folding device in the existing equipment is mostly made into an integral part with the base, which leads to poor wear resistance and easy breakage, resulting in jamming and functional failure; 2. The positioning column is mostly made of plastic, which leads to poor concentricity of the parts and easy noise during use. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide an electric folding device to solve the problems of easy breakage of the positioning column and easy damage of the positioning column made of plastic material in the background technology. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric folding device, comprising an upper cover, a circuit board is installed at the bottom of the upper cover, a motor is installed on one side of the circuit board, a motor clasp spring is installed on one side of the motor, an intermediate cover is installed at the bottom of the upper cover, a support piece is arranged at the bottom of the intermediate cover, a combined gear is installed at the bottom of the motor, a pinion is installed on one side of the combined gear, a base is installed at the bottom of the pinion, an anti-friction washer is installed at the bottom of the base, a rotating body is installed at the bottom of the anti-friction washer, a locking washer is arranged at the upper end of the base, a large gear is installed at the bottom of the locking washer, a spring ring is arranged at the bottom of the large gear, and a compression spring is installed at the bottom of the spring ring.

[0005] Further preferably, the combined gear forms a rotating structure through the motor.

[0006] Further preferably, the base forms a rotating structure through the cooperation of the combined gear and the pinion.

[0007] Further preferably, the central axis of the anti-friction washer coincides with the vertical central axis of the rotating body.

[0008] Further preferably, the interior of the rotating body is hollow and the width of the bottom is larger than that of the top.

[0009] Further preferably, the central axis of the large gear coincides with the vertical central axis of the rotating body.

[0010] Further preferably, the locking washer is elastically structured by a compression spring.

[0011] Compared with the prior art, the utility model has the beneficial effects of:

[0012] In the utility model, the base is changed, and the base is driven to rotate around the large gear by the motor worm driven by the motor, so that the gear is driven to rotate, the gear drives the pinion to rotate, and the pinion and the metal positioning shaft in the center of the pinion are tightly matched to form a tight assembly to drive the base to rotate around the large gear, so that the folding angle is adjusted, and the positioning shaft and the base are integrally connected, so that stress concentration occurs when the base is stressed, and the base is prevented from being broken.

[0013] In the utility model, the pinion is changed, and when the gear drives the pinion to rotate, the plastic material center shaft in the center of the pinion is changed into a metal material, and the pinion is tightly matched, so that the plastic material is prevented from being slightly deformed due to external temperature, humidity and other environmental factors, so that the noise caused by the concentricity is affected.

[0014] In the utility model, the base is changed, and the limiting block is added at the bottom of the base to reduce the difficulty and cost of client development. DETAILED DESCRIPTION

[0015] Figure 1 It is an explosion structure schematic view of the utility model;

[0016] Figure 2 It is a pinion structure schematic view of the utility model;

[0017] Figure 3 It is a motor structure schematic view of the utility model;

[0018] Figure 4 It is a rotating body structure schematic view of the utility model.

[0019] In the drawing: 1, upper cover; 2, circuit board; 3, motor; 4, motor clamp spring; 5, middle cover; 6, supporting sheet; 7, gear; 8, pinion; 9, base; 10, wear-reducing washer; 11, rotating body; 12, locking washer; 13, large gear; 14, spring washer; 15, compression spring. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1 to 4 , the utility model provides a technical scheme: electric folding device, including upper cover 1, the bottom of upper cover 1 is installed with circuit board 2, one side of circuit board 2 is installed with motor 3, one side of motor 3 is installed with motor snap spring 4, the bottom of upper cover 1 is installed with intermediate cover 5, the bottom of intermediate cover 5 is equipped with support sheet 6, the bottom of motor 3 is installed with integrated gear 7, one side of integrated gear 7 is installed with pinion 8, the bottom of pinion 8 is installed with base 9, the bottom of base 9 is installed with wear-reducing washer 10, the bottom of wear-reducing washer 10 is installed with rotator 11, the upper end of base 9 is equipped with locking washer 12, the bottom of locking washer 12 is installed with large gear 13, the bottom of large gear 13 is equipped with spring collar 14, the bottom of spring collar 14 is installed with compression spring 15.

[0022] In the embodiment, as shown in Figure 1 , integrated gear 7 constitutes a rotating structure through motor 3;By installing integrated gear 7 at the bottom of motor 3, motor 3 drives integrated gear 7 to rotate through rotation, to drive pinion 8 to rotate, to make base 9 rotate.

[0023] In the embodiment, as shown in Figure 1 , base 9 constitutes a rotating structure through the cooperation of integrated gear 7 and pinion 8;By installing base 9 at the bottom of pinion 8, when integrated gear 7 drives pinion 8 to rotate through rotation, pinion 8 rotates in close contact with large gear 13, to make base 9 rotate with large gear 13 as the center.

[0024] In the embodiment, as shown in Figure 1 and Figure 4 , the central axis of wear-reducing washer 10 coincides with the vertical central axis of rotator 11;By installing wear-reducing washer 10 at the upper end of rotator 11, when base 9 rotates through pinion 8, wear-reducing washer 10 can prevent rotator 11 from directly rubbing against base 9, to increase the service life of the equipment.

[0025] In the embodiment, as shown in Figure 1 and Figure 4 , the inside of rotator 11 is hollow and wide at the bottom and narrow at the top;By hollowing out the inside of rotator 11, data lines can pass through the inside when rotator 11 is installed, to facilitate the wiring installation of the equipment.

[0026] In the embodiment, as shown in Figure 1 and Figure 2 , the central axis of the large gear 13 coincides with the vertical central axis of the rotating body 11; by installing the large gear 13 at the upper end of the base 9, when the pinion 8 rotates along the large gear 13, the large gear 13 can rotate by cooperating with the pinion 8 to drive the base 9 to rotate around the large gear 13.

[0027] In the embodiment, as shown in Figure 1 and Figure 2 , the locking washer 12 is in an elastic structure by the compression spring 15; by installing the locking washer 12 at the upper end of the compression spring 15, the locking washer 12 can prevent the compression spring 15 from being displaced or falling off under the action of vibration or external force during equipment use, so as to ensure that the compression spring 15 always remains in the correct position.

[0028] The use method and advantages of the utility model are as follows:

[0029] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , first, when the folding angle needs to be adjusted, the motor 3 is powered on to rotate, drives the rotating threaded rod at the bottom to drive the combined gear 7 to rotate, makes the combined gear 7 drive the pinion 8 to rotate by rotating, the pinion 8 drives the base 9 to rotate around the large gear 13 by rotating to cooperate with the positioning shaft at the center of the pinion 8, to adjust the folding angle; when the base 9 rotates through the pinion 8, the anti-friction washer 10 at the bottom can prevent the rotating body 11 from directly rubbing against the base 9, to increase the service life of the equipment; by separating the positioning shaft inside the pinion 8 for installation, it is prevented that the positioning shaft is integrally connected with the base 9 during use, so that stress concentration occurs at the connection during stress, causing the connection to break; at the same time, the positioning shaft is changed to a metal material, to prevent the plastic material from being slightly deformed due to external temperature, humidity and other environmental factors, thereby affecting the concentricity and generating noise.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model; without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric folding device comprising a cover (1), characterized in that: The bottom of the upper cover (1) is provided with a circuit board (2), one side of the circuit board (2) is provided with a motor (3), one side of the motor (3) is provided with a motor clamp spring (4), the bottom of the upper cover (1) is provided with an intermediate cover (5), the bottom of the intermediate cover (5) is provided with a supporting piece (6), the bottom of the motor (3) is provided with a combined gear (7), one side of the combined gear (7) is provided with a pinion (8), the bottom of the pinion (8) is provided with a base (9), the bottom of the base (9) is provided with an anti-friction washer (10), the bottom of the anti-friction washer (10) is provided with a rotating body (11), the upper end of the base (9) is provided with a locking washer (12), the bottom of the locking washer (12) is provided with a large gear (13), the bottom of the large gear (13) is provided with a spring ring (14), the bottom of the spring ring (14) is provided with a compression spring (15).

2. The motorized folder of claim 1, wherein: The combined gear (7) constitutes a rotating structure through the motor (3).

3. The motorized folder of claim 1, wherein: The base (9) constitutes a rotating structure through the combined gear (7) and the pinion (8).

4. The motorized folder of claim 1, wherein: The central axis of the anti-friction washer (10) coincides with the vertical central axis of the rotating body (11).

5. The motorized folder of claim 1, wherein: The inside of the rotating body (11) is hollow and wide at the bottom and narrow at the top.

6. The motorized folder of claim 1, wherein: The central axis of the large gear (13) coincides with the vertical central axis of the rotating body (11).

7. The motorized folder of claim 1, wherein: The locking washer (12) constitutes an elastic structure through the compression spring (15).

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