Driving mechanism for automobile door

By using synchronous wheels and synchronous belts to replace part of the gear transmission in the automobile door drive mechanism, combined with a winding wheel and a pull rope mechanism, the problem of poor impact resistance of the gear transmission is solved, and the service life is extended and the cost is reduced.

CN223423791UActive Publication Date: 2025-10-10HANGZHOU RUIYI AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202422644979.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-10
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing automobile door drive mechanism uses gear transmission, which has poor impact resistance, short service life, and high failure rate, resulting in increased use costs.

Method used

Synchronous wheels, synchronous belts and transmission motors are used to replace part of the gear transmission, combined with a winding wheel and a pull rope mechanism to achieve automatic opening and closing of the car door. The transmission of the synchronous belt and synchronous wheel reduces impact and improves stability.

Benefits of technology

The structure of the driving mechanism is simplified, the impact resistance and service life are improved, the failure rate and use cost are reduced, and the operation is simple and the transmission is stable.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223423791U_ABST
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Abstract

The utility model discloses a driving mechanism for an automobile door, which comprises a shell, a cover plate, a control panel, a transmission motor, a synchronous wheel I, a synchronous belt, a synchronous wheel II, a gear I, a gear II, a tensioning wheel and a reel, the transmission motor drives the synchronous wheel II to rotate through the synchronous wheel I and the synchronous belt, the synchronous wheel II drives the gear I to rotate, the gear I drives the gear II to rotate, and the gear II drives the tensioning wheel to rotate. The second gear drives the reel to rotate, the tensioning wheel is arranged on the outer side of the first synchronous wheel, and the tensioning wheel is connected with the synchronous belt. According to the driving mechanism, partial gear transmission is replaced by belt transmission, so that the impact resistance of the whole driving mechanism is higher, the service life of the driving mechanism is prolonged, and the stability of the driving mechanism in use is improved; meanwhile, the design difficulty of the driving mechanism is simplified, and the use cost is reduced.
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Description

Technical Field

[0001] The utility model relates to a driving mechanism for an automobile door. Background Art

[0002] Cars are now the most common means of transportation. With the advancement of science and technology, cars are also tending to be intelligent and automated. As the most common car doors, they were opened and closed manually in the past, but now some models have achieved automatic opening and closing of car doors. The automatic opening and closing of car doors definitely requires a driving mechanism to complete the operation; and the existing driving mechanisms are basically transmitted through gears and gears, which puts higher requirements on the production process of the driving mechanism, puts forward more stringent requirements on the selection of gears, and has more restrictions on the placement of gear positions; at the same time, the full gear transmission has poor impact resistance during use. Therefore, when used in the field of car doors, the full gear transmission is prone to damage, which makes the service life of the driving mechanism short and the failure rate high, and also causes increased cost of use. Therefore, it is necessary to develop a new type of driving mechanism to solve the problems encountered in the use of the existing driving mechanism. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a driving mechanism for automobile doors which is convenient to use, simple to operate, has stable transmission, strong impact resistance, can meet the needs of opening and closing automobile doors, and has practicality and wide application.

[0004] In order to solve the above problems, the present invention adopts the following technical solutions:

[0005] A driving mechanism for an automobile door comprises a housing, a cover plate, a control panel, a transmission motor, a first synchronous wheel, a synchronous belt, a second synchronous wheel, a first gear, a second gear, a tensioning wheel and a winding wheel. The first synchronous wheel is mounted on one end of the transmission motor, the first synchronous wheel and the second synchronous wheel are connected via a synchronous belt, the first gear is arranged on one side of the second synchronous wheel, the first gear is meshed with the second gear, the transmission motor drives the second synchronous wheel to rotate via the first synchronous wheel and the synchronous belt, the second synchronous wheel drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the winding wheel to rotate, the tensioning wheel is arranged on the outside of the first synchronous wheel, and the tensioning wheel is connected to the synchronous belt.

[0006] Preferably, a motor mounting groove, a pulley mounting groove and a gear mounting groove are provided on the inner side of the shell. The motor mounting groove, the pulley mounting groove and the gear mounting groove are connected in sequence. The transmission motor is arranged in the motor mounting groove, the synchronous wheel 2 is arranged in the pulley mounting groove, and the gear 2 is arranged in the gear mounting groove.

[0007] Preferably, axis one, axis two and axis three are provided between the shell and the cover plate, axis one passes through the transmission motor and the center of synchronous wheel one; axis two passes through the center of synchronous wheel two and gear one; axis three passes through the center of gear two, and one end of axis three passes through the cover plate and is connected to the winding wheel.

[0008] Preferably, the shell is provided with a first positioning groove and a second positioning groove, and the cover plate is provided with a first positioning boss and a second positioning boss respectively cooperating with the first positioning groove and the second positioning groove.

[0009] Preferably, the shell is provided with extended edges around its periphery.

[0010] Preferably, a tension wheel mounting seat is provided in the housing, the tension wheel is arranged in the tension wheel mounting seat, and a tension wheel mounting shaft is provided on the tension wheel.

[0011] The beneficial effects of the present invention are as follows: the present invention further simplifies the structure of the drive mechanism by replacing part of the gear transmission mechanism with the synchronous wheel 1, the synchronous belt, and the synchronous wheel 2, thereby simplifying the design, production, and assembly of the drive mechanism, and at the same time making the drive mechanism more impact-resistant and more stable, further increasing its service life, and also reducing its cost of use; at the same time, through the coordination of the transmission motor, the gear 1, the gear 2, the winding wheel, etc., the drive mechanism is easy to use, simple to operate, and has stable transmission, which can meet the needs of opening and closing the car door, and is practical and widely used. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art, but this does not limit the scope of protection of the present invention.

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 It is a structural diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the installation of the transmission motor of the present utility model;

[0016] Figure 4 This is a schematic diagram of the installation of the gear 2 of the present invention;

[0017] Figure 5 This is a schematic diagram of the installation of the tensioning pulley of the utility model.

[0018] Among them, 1, housing, 2 cover plate, 3 plug port, 4 control board, 5 transmission motor, 6 synchronous wheel 1, 7 synchronous belt, 8 synchronous wheel 2, 9 gear 1, 10 gear 2, 11 tensioner, 12 tensioner mounting seat, 13 motor mounting slot, 14 pulley mounting slot, 15 gear mounting slot, 16 positioning slot 1, 17 positioning boss 1, 18 positioning boss 2, 19 positioning slot 2, 20 axis 1, 21 axis 2, 22 axis 3, 23 tensioner mounting shaft, 24 extension edge, 25. winding wheel. DETAILED DESCRIPTION

[0019] See Figures 1 to 5 The driving mechanism for a car door shown in the figure includes a housing 1, a cover plate 2, a control panel 4, a transmission motor 5, a synchronous wheel 6, a synchronous belt 7, a synchronous wheel 2 8, a gear 1 9, a gear 2 10, a tensioning wheel 11 and a winding wheel 25. The synchronous wheel 1 is installed at one end of the transmission motor, and the synchronous wheel 1 and the synchronous wheel 2 are connected by a synchronous belt. The gear 1 is arranged on one side of the synchronous wheel 2, and the gear 1 is meshed with the gear 2. The transmission motor drives the synchronous wheel 2 to rotate through the synchronous wheel 1 and the synchronous belt, the synchronous wheel 2 drives the gear 1 to rotate, the gear 1 drives the gear 2 to rotate, and the gear 2 drives the winding wheel to rotate. The tensioning wheel 11 is arranged on the outside of the synchronous wheel 1 6 and is connected to the synchronous belt.

[0020] Furthermore, a motor mounting groove 13, a pulley mounting groove 14 and a gear mounting groove 15 are provided on the inner side of the shell 1. The motor mounting groove, the pulley mounting groove and the gear mounting groove are connected in sequence. The transmission motor 5 is arranged in the motor mounting groove 13, the synchronous wheel 2 8 is arranged in the pulley mounting groove 14, and the gear 2 10 is arranged in the gear mounting groove 15.

[0021] Furthermore, axis one 20, axis two 21 and axis three 22 are provided between the shell 1 and the cover plate 2. Axis one 20 passes through the center of the transmission motor 5 and the synchronous wheel 1 6; axis two 21 passes through the center of the synchronous wheel 2 8 and the gear 1 9; axis three 22 passes through the center of the gear 2 10, and one end of axis three 22 passes through the cover plate 2 and is connected to the winding wheel 25.

[0022] Furthermore, the housing 1 is provided with a first positioning groove 16 and a second positioning groove 19 , and the cover plate 2 is provided with a first positioning boss 17 and a second positioning boss 18 respectively cooperating with the first positioning groove 16 and the second positioning groove 19 .

[0023] Furthermore, the shell 1 is provided with extended edges 24 around its periphery.

[0024] Furthermore, a tension wheel mounting seat 12 is provided in the housing 1 , the tension wheel 11 is arranged in the tension wheel mounting seat 12 , and a tension wheel mounting shaft 23 is provided on the tension wheel 11 .

[0025] Furthermore, bearings are provided at the connections between the first axis, the second axis, the third axis, the shell and the cover plate.

[0026] Furthermore, the control board 4 is mounted on the cover plate 2 , and the plug port 3 is connected to the control board 4 .

[0027] Furthermore, the control panel is internally integrated with a control system connected to the vehicle computer.

[0028] Furthermore, the transmission motor is connected to the control board.

[0029] Furthermore, a pull rope is provided on the winding wheel, the pull rope is wound on the winding wheel, and both ends of the pull rope are connected to the car door. The winding wheel drives the two ends of the pull rope to be retracted and extended through forward and reverse rotation, and the car door is moved by the retraction and extension of the pull rope.

[0030] The transmission motor of the utility model is a brushless motor.

[0031] When the driving mechanism of the utility model is implemented, other auxiliary mechanisms are used in conjunction with it.

[0032] When the utility model is used, the driving mechanism is installed in a suitable position, and the position or distance between the driving mechanism and the vehicle door is controlled by calculation, and the control panel is linked with the vehicle computer, the vehicle door switch, and the remote control to realize signal connection, transmission, and access; when the vehicle door is to be opened or closed, the control panel sends a command to the transmission motor, and the transmission motor drives the synchronous wheel 1 to rotate, and the synchronous wheel 1 drives the synchronous wheel 2 to rotate through the synchronous belt, and the synchronous wheel 2 drives the gear 1 to rotate, and the gear 1 drives the gear 2 to rotate, and the gear 2 drives the winding wheel to rotate, and the rotation of the winding wheel realizes the retraction and extension operation of the two ends of the pull rope, thereby driving the vehicle door to move and realize the opening and closing of the vehicle door.

[0033] During the opening and closing process of the car door, the inertial impact on the drive mechanism caused by the movement of the car door can be effectively alleviated by the action of the synchronous belt. At the same time, through the transmission of the synchronous belt, synchronous pulley one and synchronous pulley two, it plays a good shock absorption role, greatly improving the service life and stability of the drive mechanism.

[0034] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that do not require creative work should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.

Claims

1. A driving mechanism for an automobile door, characterized in that: It includes a shell, a cover, a control panel, a transmission motor, a synchronous wheel 1, a synchronous belt, a synchronous wheel 2, a gear 1, a gear 2, a tensioning wheel and a winding wheel. The synchronous wheel 1 is installed at one end of the transmission motor, and the synchronous wheel 1 and the synchronous wheel 2 are connected by a synchronous belt. The gear 1 is arranged on one side of the synchronous wheel 2, and the gear 1 is meshed with the gear 2. The transmission motor drives the synchronous wheel 2 to rotate through the synchronous wheel 1 and the synchronous belt, the synchronous wheel 2 drives the gear 1 to rotate, the gear 1 drives the gear 2 to rotate, and the gear 2 drives the winding wheel to rotate. The tensioning wheel is arranged on the outside of the synchronous wheel 1, and the tensioning wheel is connected to the synchronous belt.

2. The driving mechanism for an automobile door according to claim 1, characterized in that: The inner side of the shell is provided with a motor mounting groove, a pulley mounting groove and a gear mounting groove, which are connected in sequence. The transmission motor is arranged in the motor mounting groove, the synchronous wheel 2 is arranged in the pulley mounting groove, and the gear 2 is arranged in the gear mounting groove.

3. The driving mechanism for an automobile door according to claim 1, characterized in that: Axis one, two and three are provided between the shell and the cover plate. Axis one passes through the center of the transmission motor and the synchronous wheel one; axis two passes through the center of the synchronous wheel two and the center of the gear one; axis three passes through the center of the gear two, and one end of axis three passes through the cover plate and is connected to the winding wheel.

4. The driving mechanism for an automobile door according to claim 1, characterized in that: The shell is provided with a first positioning groove and a second positioning groove, and the cover is provided with a first positioning boss and a second positioning boss respectively matched with the first positioning groove and the second positioning groove.

5. The driving mechanism for an automobile door according to claim 1, characterized in that: The shell is provided with extended edges around its periphery.

6. The driving mechanism for an automobile door according to claim 1, characterized in that: A tension wheel mounting seat is provided in the shell, the tension wheel is arranged in the tension wheel mounting seat, and a tension wheel mounting shaft is provided on the tension wheel.