Electric transmission structure of automobile glove box

Abstract

This utility model relates to the field of automotive parts technology, specifically to an electric transmission structure for an automotive glove box, comprising: a fixed housing, an inner storage compartment, and a motor housing; wherein, on both sides of the inner wall of the fixed housing, a first rotating shaft gear, a second rotating shaft gear, and a third rotating shaft gear are movably connected via bearings; one side of the first rotating shaft gear is provided with a gear plate that meshes with the second rotating shaft gear, and the second rotating shaft gear meshes with the third rotating shaft gear. This utility model achieves efficient speed reduction and torque increase through a multi-stage transmission path consisting of a drive gear, a first rotating shaft gear, a gear plate, a second rotating shaft gear, a third rotating shaft gear, and an arc-shaped gear plate. The optimized ratio of the diameters of each gear ensures that the motor operates in a high-speed, low-torque, high-efficiency range, while the final output to the inner storage compartment is a smooth power with low speed and high torque, greatly reducing noise caused by impact and vibration.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to an electric drive structure for an automotive glove box. Background Technology

[0002] The glove box is a convenient storage space inside a vehicle, typically located on the center console between the driver and passenger seats. With the development of automotive electronics and intelligent technology, the design of modern car glove boxes increasingly emphasizes functionality and user experience. In some high-end models, the glove box utilizes an electric drive system for electric opening and closing.

[0003] However, existing electric drive structures for automotive glove boxes may experience a decrease in transmission stability due to component wear and loosening after prolonged use or frequent operation. They may also generate significant noise during operation, especially when the glove box is used frequently. This noise not only affects the quiet atmosphere in the cockpit but may also cause discomfort to the user. Therefore, we propose an electric drive structure for automotive glove boxes. Utility Model Content

[0004] The purpose of this utility model is to provide an electric drive structure for automotive glove boxes, which has the advantages of good stability and low noise. It solves the problem that the existing electric drive structure for automotive glove boxes may experience a decrease in transmission stability due to wear and loosening of parts after long-term use or frequent operation, and may generate noise during operation, especially when the glove box is used frequently, the noise may be more obvious. This noise not only affects the quiet atmosphere in the cockpit, but may also cause discomfort to the user.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electric drive structure for an automotive glove box, comprising:

[0006] Fixed housing, storage inner box and motor box;

[0007] The fixed housing has a first rotating shaft gear, a second rotating shaft gear, and a third rotating shaft gear movably connected to both sides of its inner wall via bearings. The first rotating shaft gear has a gear plate on one side that meshes with the second rotating shaft gear, and the second rotating shaft gear meshes with the third rotating shaft gear.

[0008] The lower end of the inner storage box is hinged to the lower end of the fixed box, and both ends of the inner storage box are equipped with arc-shaped toothed plates concentric with the hinge point between the inner storage box and the fixed box.

[0009] The motor box is installed on one side of the inner wall of the fixed box. A dual-head motor is installed inside the motor box. Both output ends of the dual-head motor are fixed with drive shafts. One end of the drive shaft is fixed with a drive gear that meshes with the first rotating shaft gear.

[0010] Preferably, one end of the third rotating shaft gear meshes with the arc-shaped toothed plate.

[0011] Preferably, the diameter of the first rotating shaft gear is four to six times the diameter of the drive gear.

[0012] Preferably, the diameter of the first rotating shaft gear is three to four times the diameter of the gear disk.

[0013] Preferably, the diameter of the second rotating shaft gear is two to four times the diameter of the gear disk.

[0014] Preferably, the diameter of the third shaft gear is 1.5 to 3 times the diameter of the second shaft gear.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model achieves efficient speed reduction and torque increase through a multi-stage transmission path consisting of a drive gear, a first shaft gear, a gear plate, a second shaft gear, a third shaft gear, and an arc-shaped gear plate. The optimized ratio of the diameters of each gear ensures that the motor operates in a high-speed, low-torque high-efficiency range, while the final output to the inner casing is a stable power with low speed and high torque, which greatly reduces noise caused by impact and vibration.

[0017] 2. The dual-head motor of this utility model synchronously drives two identical transmission systems on the left and right sides through the drive shafts and gear sets on both sides, ensuring that the force on both sides of the storage box is absolutely balanced. This avoids the torsional deformation, jamming and abnormal noise that may occur due to single-sided drive, making the operation smoother and quieter. Moreover, the dual-sided synchronous drive design fundamentally solves the problems of asynchrony and jamming that may occur in traditional single-motor drive, significantly improving the rigidity and stability of the transmission system and extending its service life. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the cooperation structure between the fixed box body and the storage inner box of this utility model;

[0020] Figure 3 This is a schematic diagram of the unfolded structure of this utility model;

[0021] Figure 4 This utility model Figure 2A cross-sectional structural diagram.

[0022] In the diagram: 1. Fixed housing; 101. First rotating shaft gear; 102. Gear plate; 103. Second rotating shaft gear; 104. Third rotating shaft gear; 2. Inner storage box; 201. Arc-shaped gear plate; 3. Motor box; 301. Dual-head motor; 302. Drive shaft; 303. Drive gear. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] The components of this application, including the fixed housing 1, the first rotating shaft gear 101, the gear plate 102, the second rotating shaft gear 103, the third rotating shaft gear 104, the inner storage box 2, the arc-shaped gear plate 201, the motor box 3, the dual-head motor 301, the drive shaft 302, and the drive gear 303, are all general standard parts or parts known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0025] Please see Figures 1-4 As shown, this utility model provides a technical solution: an electric drive structure for an automotive glove box, comprising:

[0026] Fixed housing 1, inner storage box 2, and motor box 3;

[0027] Among them, the first rotating shaft gear 101, the second rotating shaft gear 103 and the third rotating shaft gear 104 are movably connected to both sides of the inner wall of the fixed housing 1 through bearings. The first rotating shaft gear 101 has a gear disk 102 that meshes with the second rotating shaft gear 103 on one side, and the second rotating shaft gear 103 meshes with the third rotating shaft gear 104.

[0028] Among them, the lower end of the inner storage box 2 is hinged to the lower end of the fixed box 1, and both ends of the inner storage box 2 are equipped with arc-shaped toothed plates 201 that are concentric with the hinge point of the inner storage box 2 and the fixed box 1.

[0029] Among them, the motor box 3 is installed on one side of the inner wall of the fixed housing 1. A dual-head motor 301 is installed on the inner side of the motor box 3. Both output ends of the dual-head motor 301 are fixed with drive shafts 302. One end of the drive shaft 302 is fixed with a drive gear 303 that meshes with the first rotating shaft gear 101.

[0030] One end of the third rotating shaft gear 104 meshes with the arc-shaped toothed plate 201. The gear diameter of the first rotating shaft gear 101 is four to six times the diameter of the drive gear 303. The gear diameter of the first rotating shaft gear 101 is three to four times the diameter of the toothed disc 102. The gear diameter of the second rotating shaft gear 103 is two to four times the diameter of the toothed disc 102. The gear diameter of the third rotating shaft gear 104 is 1.5 to 3 times the diameter of the second rotating shaft gear 103.

[0031] This technical solution uses engineering plastics (such as POM, nylon+GF) or powder metallurgy to manufacture the first shaft gear 101, gear plate 102, second shaft gear 103, third shaft gear 104, drive gear 303 and arc-shaped gear plate 201 to ensure gear strength, wear resistance and low noise characteristics. The dual-head motor 301 is a DC worm motor with a reduction mechanism, which has a self-locking function to prevent the glove box from opening or closing on its own when not powered on.

[0032] During debugging and testing, the forward and reverse rotation functions of the dual-head motor 301 were tested by powering on. The opening and closing actions of the inner storage box 2 were observed to be smooth, synchronous, and without abnormal noise. The opening / closing capability of the glove box under full load was tested to verify its torque output. After the motor stopped, it was checked whether the glove box maintained its position due to the motor's self-locking function and did not move spontaneously.

[0033] When the dual-head motor 301 receives a working signal (issued by the vehicle control terminal), it drives the drive shaft 302 and drive gear 303 to rotate. The drive gear 303 drives the meshing first shaft gear 101 to rotate, which in turn drives the gear disk 102 to rotate. The gear disk 102 then drives the meshing second shaft gear 103 to rotate, which in turn drives the meshing third shaft gear 104 to rotate. When the third shaft gear 104 rotates, it drives the inner storage box 2 to flip outward and open around the hinge point between the inner storage box 2 and the lower end of the fixed box 1 via the meshing arc-shaped toothed plate 201. Conversely, when the dual-head motor 301 receives a storage working signal, the inner storage box 2 flips inward and retracts.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. An electric drive structure for an automotive glove box, characterized in that, include: Fixed housing (1), storage inner box (2) and motor box (3); The inner walls of the fixed housing (1) are connected by bearings to a first rotating shaft gear (101), a second rotating shaft gear (103), and a third rotating shaft gear (104). The first rotating shaft gear (101) has a gear disk (102) on one side that meshes with the second rotating shaft gear (103). The second rotating shaft gear (103) meshes with the third rotating shaft gear (104). The lower end of the inner storage box (2) is hinged to the lower end of the fixed box (1), and both ends of the inner storage box (2) are equipped with arc-shaped toothed plates (201) concentric with the hinge point of the inner storage box (2) and the fixed box (1). The motor box (3) is installed on one side of the inner wall of the fixed housing (1). A double-headed motor (301) is installed on the inner side of the motor box (3). A drive shaft (302) is fixed on both output ends of the double-headed motor (301). A drive gear (303) that meshes with the first rotating shaft gear (101) is fixed on one end of the drive shaft (302).

2. The electric transmission structure of a glove box of an automobile according to claim 1, characterized in that: One end of the third rotating shaft gear (104) meshes with the arc-shaped toothed plate (201).

3. The electric transmission structure of a glove box of an automobile according to claim 1, characterized in that: The diameter of the first rotating shaft gear (101) is four to six times the diameter of the drive gear (303).

4. The electric transmission structure of a glove box of an automobile according to claim 1, characterized in that: The diameter of the first rotating shaft gear (101) is three to four times the diameter of the gear disk (102).

5. The electric drive structure of a glove box of an automobile according to claim 1, characterized in that: The diameter of the second rotating shaft gear (103) is two to four times the diameter of the gear disk (102).

6. The electric drive structure for an automotive glove box according to claim 1, characterized in that: The diameter of the third shaft gear (104) is 1.5 to 3 times that of the diameter of the second shaft gear (103).

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