Automatic door lock gear motor

By using a multi-stage gear and worm gear structure in the transmission components, the torque and precision of the automatic door lock geared motor are enhanced, solving the problem of insufficient torque in existing technologies and achieving automatic stopping with high torque and precise control.

CN224178027UActive Publication Date: 2026-04-28DONGGUAN FUTENG MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN FUTENG MOTOR CO LTD
Filing Date
2025-05-22
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The torque of existing automatic door lock geared motors is relatively low, and their accuracy needs to be improved, which cannot meet the needs of users.

Method used

The transmission components include multiple gears and worm gear structures. The motor drives the worm gear to drive the drive gear, realizing multi-stage transmission and enhancing torque output. The output shaft drives the trigger block to trigger the micro switch for precise control.

Benefits of technology

The torque of the automatic door lock geared motor has been increased, enhancing its accuracy, meeting users' demand for high torque, and enabling an automatic stop function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic door lock gear motor, which comprises a first mounting shell and a second mounting shell, and is characterized in that a transmission assembly is rotatably connected between the inner wall of the first mounting shell and the inner wall of the second mounting shell, and the second mounting shell is connected with a motor through a screw. The transmission assembly comprises a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear, a driving gear, a worm and a seventh transmission gear, the output end of the motor is fixedly connected with one end of the worm, and the side face of the driving gear is connected with the side face of the worm in a meshed mode; the side face of the sixth transmission gear is in meshed connection with the side face of the driving gear, the side face of the fifth transmission gear is in meshed connection with the side face of the sixth transmission gear, and the side face of the fourth transmission gear is in meshed connection with the side face of the fifth transmission gear.
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Description

Technical Field

[0001] This utility model relates to the field of geared motor technology, and in particular to an automatic door lock geared motor. Background Technology

[0002] An automatic door lock geared motor is a key component used in fully automatic smart door locks. With social development, door locks have also made significant progress, and the application range of automatic door locks has gradually become wider.

[0003] The existing automatic door lock geared motor has low torque and its accuracy needs to be improved, which cannot meet the user's needs. This utility model device has high torque and can meet the user's needs. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic door lock geared motor that solves the problems of existing automatic door lock geared motors having low torque, insufficient accuracy, and failing to meet user needs.

[0005] To achieve the above objectives, an automatic door lock geared motor is provided, comprising: a first mounting shell and a second mounting shell, characterized in that a transmission assembly is rotatably connected between the inner wall of the first mounting shell and the inner wall of the second mounting shell, and a motor is connected to the second mounting shell by screws;

[0006] The transmission assembly includes a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear, a drive gear, a worm gear, and a seventh transmission gear. The motor output end is fixedly connected to one end of the worm gear. The side of the drive gear meshes with the side of the worm gear. The side of the sixth transmission gear meshes with the side of the drive gear. The side of the fifth transmission gear meshes with the side of the sixth transmission gear. The side of the fourth transmission gear meshes with the side of the fifth transmission gear. The side of the third transmission gear meshes with the side of the fourth transmission gear. The side of the second transmission gear meshes with the side of the third transmission gear. The side of the first transmission gear meshes with the side of the second transmission gear. The output shaft is rotatably connected to the side of the first mounting housing. The seventh transmission gear is mounted outside the output shaft and its side meshes with the side of the first transmission gear. A micro switch is connected to the side of the first mounting housing via screws. One end of the output shaft extends outside the first mounting housing and is fixedly connected to a trigger block, effectively increasing the torque of the device to meet the customer's demand for high torque and facilitating automatic stopping.

[0007] According to the automatic door lock reduction motor, the upper surface of the first mounting housing is threaded with multiple fixing bolts, and the external of each fixing bolt is threaded to the internal of the second mounting housing. The fixing bolts facilitate the installation and fixing of the first mounting housing and the second mounting housing.

[0008] According to the automatic door lock reduction motor, the side of the first mounting housing fits against the side of the second mounting housing, and the upper end of the fixing bolt is provided with a cross groove, which facilitates the disassembly of the fixing bolt by the operator.

[0009] According to the automatic door lock reduction motor, bearings are provided at both ends of the output shaft, and the side surfaces of the two bearings are respectively fixedly connected to the inner walls of the first mounting shell and the second mounting shell, thereby increasing the smoothness of the output shaft rotation.

[0010] According to the automatic door lock reduction motor, the end of the output shaft away from the trigger block is the output end, and it extends to the outside of the second mounting housing, so as to facilitate the connection between the output end of the output shaft and the component.

[0011] According to the automatic door lock reduction motor, both the first mounting shell and the second mounting shell have mounting holes on their sides. The diameter of the mounting holes matches the outer diameter of the bearing, and the mounting holes facilitate the installation of the bearing.

[0012] According to the automatic door lock reduction motor, the upper surface of the first mounting shell and the inner wall of the second mounting shell are both provided with positioning grooves, and the fixing bolts are installed inside the positioning grooves. The positioning grooves can assist the workers in installing the fixing bolts.

[0013] According to the automatic door lock reduction motor, the diameter of the first mounting shell is the same as the diameter of the second mounting shell, which facilitates splicing and installation.

[0014] The above solution has the following advantages: the transmission component driven by the motor facilitates transmission; the transmission component enables the device to have high torque; and the output shaft drives the trigger block to contact the micro switch, facilitating automatic stopping.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a perspective view of the automatic door lock reduction motor of this utility model;

[0018] Figure 2 This is a top view of the automatic door lock reduction motor of this utility model;

[0019] Figure 3 This is a diagram showing the internal structure of the automatic door lock geared motor of this utility model;

[0020] Figure 4 This is a structural diagram of the automatic door lock reducer motor of this utility model without the second mounting shell.

[0021] Figure 5 This is a structural diagram of the automatic door lock geared motor of this utility model without the first mounting shell.

[0022] Legend:

[0023] 1. Fixing bolt; 2. First mounting shell; 3. Second mounting shell; 4. Motor; 5. Trigger block; 6. Micro switch; 7. Output shaft; 8. Transmission assembly; 801. First transmission gear; 802. Second transmission gear; 803. Third transmission gear; 804. Fourth transmission gear; 805. Fifth transmission gear; 806. Sixth transmission gear; 807. Drive gear; 808. Worm gear; 809. Seventh transmission gear; 9. Mounting hole; 10. Positioning groove. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-5 This utility model embodiment provides an automatic door lock reduction motor, which includes: a first mounting shell 2 and a second mounting shell 3. A transmission component 8 is rotatably connected between the inner wall of the first mounting shell 2 and the inner wall of the second mounting shell 3 to provide torque. A motor 4 is connected to the second mounting shell 3 by screws, and the motor 4 provides power.

[0026] Transmission assembly 8 includes a first transmission gear 801, a second transmission gear 802, a third transmission gear 803, a fourth transmission gear 804, a fifth transmission gear 805, a sixth transmission gear 806, a drive gear 807, a worm gear 808, and a seventh transmission gear 809. The output end of the motor 4 is fixedly connected to one end of the worm gear 808. The side of the drive gear 807 meshes with the side of the worm gear 808. The side of the sixth transmission gear 806 meshes with the side of the drive gear 807. The side of the fifth transmission gear 805 meshes with the side of the sixth transmission gear 806. The side of the fourth transmission gear 804 meshes with the side of the fifth transmission gear 805. The side of the third transmission gear 803... The first mounting housing 2 is rotatably connected to the side of the fourth transmission gear 804. The side of the second transmission gear 802 is meshed with the side of the third transmission gear 803. The side of the first transmission gear 801 is meshed with the side of the second transmission gear 802. The output shaft 7 is used to output power. The seventh transmission gear 809 is mounted outside the output shaft 7. The side of the seventh transmission gear 809 is meshed with the side of the first transmission gear 801. The side of the first mounting housing 2 is connected to the micro switch 6 by screws. The micro switch 6 is used to control the start and stop of the motor 4. One end of the output shaft 7 extends to the outside of the first mounting housing 2 and is fixedly connected to the trigger block 5 to trigger the micro switch 6.

[0027] Multiple fixing bolts 1 are threadedly connected to the upper surface of the first mounting shell 2 for installation and fixation. The external surfaces of the fixing bolts 1 are threadedly connected to the internal surfaces of the second mounting shell 3. The side surfaces of the first mounting shell 2 and the second mounting shell 3 are fitted together. The upper end of the fixing bolt 1 has a cross groove for easy disassembly. Bearings are provided at both ends of the output shaft 7 to increase the smoothness of the output shaft 7 rotation. The side surfaces of the two bearings are fixedly connected to the inner walls of the first mounting shell 2 and the second mounting shell 3 respectively. The end of the output shaft 7 away from the trigger block 5 is the output end and extends to the outside of the second mounting shell 3. Mounting holes 9 are provided on the sides of both the first mounting shell 2 and the second mounting shell 3 to facilitate bearing installation. The diameter of the mounting holes 9 matches the outer diameter of the bearings. Positioning grooves 10 are provided on the upper surface of the first mounting shell 2 and the inner wall of the second mounting shell 3. The positioning grooves 10 are used to install the fixing bolts 1. The fixing bolts 1 are installed inside the positioning grooves 10. The diameter of the first mounting shell 2 is the same as the diameter of the second mounting shell 3.

[0028] Working principle: At startup, the starter motor 4 drives the worm gear 808 at the output end to rotate, which in turn drives the drive gear 807 to rotate, thus achieving transmission. Through the cooperation of the sixth transmission gear 806, the fifth transmission gear 805, the fourth transmission gear 804, the third transmission gear 803, the second transmission gear 802, the first transmission gear 801, and the seventh transmission gear 809, the output shaft 7 is driven to rotate. When the output shaft 7 rotates, it drives the trigger block 5 to rotate. The trigger block 5 triggers the micro switch 6, thereby controlling the motor 4 to stop automatically.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An automatic door lock geared motor, comprising: The first mounting shell (2) and the second mounting shell (3) are characterized in that a transmission assembly (8) is rotatably connected between the inner wall of the first mounting shell (2) and the inner wall of the second mounting shell (3), and a motor (4) is connected to the second mounting shell (3) by screws; The transmission assembly (8) includes a first transmission gear (801), a second transmission gear (802), a third transmission gear (803), a fourth transmission gear (804), a fifth transmission gear (805), a sixth transmission gear (806), a drive gear (807), a worm gear (808), and a seventh transmission gear (809). The output end of the motor (4) is fixedly connected to one end of the worm gear (808). The side of the drive gear (807) meshes with the side of the worm gear (808). The side of the sixth transmission gear (806) meshes with the side of the drive gear (807). The side of the fifth transmission gear (805) meshes with the side of the sixth transmission gear (806). The side of the fourth transmission gear (804) meshes with the side of the fifth transmission gear (809). 05) Side meshing connection, the side of the third transmission gear (803) meshes with the side of the fourth transmission gear (804), the side of the second transmission gear (802) meshes with the side of the third transmission gear (803), the side of the first transmission gear (801) meshes with the side of the second transmission gear (802), the side of the first mounting housing (2) is rotatably connected to the output shaft (7), the seventh transmission gear (809) is installed outside the output shaft (7), the side of the seventh transmission gear (809) meshes with the side of the first transmission gear (801), the side of the first mounting housing (2) is connected to the micro switch (6) by screws, one end of the output shaft (7) extends to the outside of the first mounting housing (2) and is fixedly connected to the trigger block (5).

2. The automatic door lock reduction motor according to claim 1, characterized in that, The upper surface of the first mounting shell (2) is threaded with multiple fixing bolts (1), and the external of each fixing bolt (1) is threaded to the internal of the second mounting shell (3).

3. The automatic door lock geared motor according to claim 2, characterized in that, The side of the first mounting shell (2) fits against the side of the second mounting shell (3), and the upper end of the fixing bolt (1) is provided with a cross groove.

4. The automatic door lock reduction motor according to claim 1, characterized in that, Bearings are provided at both ends of the output shaft (7), and the side surfaces of the two bearings are fixedly connected to the inner walls of the first mounting shell (2) and the second mounting shell (3), respectively.

5. An automatic door lock geared motor according to claim 1, characterized in that, The output shaft (7) is located at the end away from the trigger block (5) and extends to the outside of the second mounting housing (3).

6. An automatic door lock geared motor according to claim 4, characterized in that, The first mounting shell (2) and the second mounting shell (3) are both provided with mounting holes (9) on their sides, and the diameter of the mounting holes (9) matches the outer diameter of the bearing.

7. An automatic door lock geared motor according to claim 2, characterized in that, The upper surface of the first mounting shell (2) and the inner wall of the second mounting shell (3) are provided with positioning grooves (10), and the fixing bolts (1) are installed inside the positioning grooves (10).

8. An automatic door lock geared motor according to claim 1, characterized in that, The diameter of the first mounting shell (2) is the same as the diameter of the second mounting shell (3).