Horizontal rotation adjusting motor driver for electric child seat

Abstract

The utility model discloses a horizontal rotation adjusting motor driver for an electric child seat. The horizontal rotation adjusting motor driver comprises a motor assembly, a machine shell assembly, a worm gear, a worm and a driving rotating shaft. The worm gear and the worm are installed in the machine shell assembly and meshed with each other. The upper end of the driving rotating shaft extends into the machine shell assembly, and the worm gear is fastened to the end of the driving rotating shaft in a sleeving mode. The motor assembly comprises a motor shell, the front end of the motor shell is connected with the machine shell assembly, and a motor rear cover is arranged at the rear end of the motor shell. The stator assembly and the rotor assembly are arranged in the motor shell, the rotor assembly is provided with a motor rotating shaft, and the worm is connected to the front end of the motor rotating shaft; the motor rear cover is provided with a PCB (Printed Circuit Board), the PCB is provided with a Hall sensor, and the rear end part of the motor rotating shaft is provided with a magnetic piece. By means of the structural design, the intelligent seat has the advantages of being novel in structural design and high in intelligent degree, real-time positioning of the horizontal position of the seat can be achieved conveniently, and self-definition of the horizontal adjusting position can be achieved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of electric seat adjustment devices, in particular to a motor driver for adjusting the horizontal rotation of an electric child seat. Background Art

[0002] The patent number is: ZL201720260018.4, and the patent name is: Chinese utility model patent for automobile seat horizontal adjustment device, which discloses the following technical solutions, specifically: a car seat horizontal adjustment device, including a screw, a worm wheel, a worm and a housing, the worm is coaxially connected to the output shaft of the drive motor, the worm is meshed with the worm wheel, the worm wheel is sleeved on the screw and threadedly connected to the screw, and the housing surrounds the worm wheel and the worm.

[0003] It should be pointed out that the above-mentioned automobile seat horizontal adjustment device has the following defects, specifically: it is not able to intelligently locate the real-time horizontal position of the seat, that is, it is not able to realize the customization of the horizontal adjustment position. Utility Model Content

[0004] The purpose of the utility model is to provide an electric child seat horizontal rotation adjustment motor driver to address the deficiencies in the prior art. The electric child seat horizontal rotation adjustment motor driver has a novel structural design and a high degree of intelligence, and is convenient for achieving real-time positioning of the horizontal position of the seat and for achieving customization of the horizontal adjustment position.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions.

[0006] A motor driver for adjusting horizontal rotation of an electric child seat comprises a motor assembly, a housing assembly, a worm gear, a worm, and a driving shaft, wherein the motor assembly is mounted on the housing assembly;

[0007] The worm wheel and the worm are respectively installed inside the housing assembly, and the worm wheel is meshed with the worm;

[0008] The upper end of the driving shaft extends into the interior of the housing assembly, and the worm gear is fastened to the end of the driving shaft;

[0009] The motor assembly includes a motor housing, the front end of the motor housing is connected to the housing assembly, and the rear end of the motor housing is equipped with a motor rear cover;

[0010] The motor housing is provided with a stator assembly and a rotor assembly, the rotor assembly is provided with a motor shaft, and the worm is connected to the front end of the motor shaft;

[0011] The rear cover of the motor is equipped with a PCB circuit board, the PCB circuit board is equipped with a Hall sensor extending into the motor housing, and the rear end of the motor shaft is equipped with a magnetic part.

[0012] Wherein, the housing assembly includes a gear box body and a gear box cover screwed and fastened to the gear box body, and the front end of the motor housing is fastened and installed on the gear box body;

[0013] A housing accommodating cavity is formed between the gear box body and the gear box cover, and the upper ends of the worm wheel, the worm and the driving shaft are respectively located in the housing accommodating cavity.

[0014] The housing cavity is provided with an upper bearing cavity, a lower bearing cavity and a worm gear cavity, the upper bearing cavity is located on the upper side of the worm gear cavity, the lower bearing cavity is located on the lower side of the worm gear cavity, and the worm gear is located in the worm gear cavity;

[0015] An upper ball bearing is rotatably mounted in the upper bearing cavity, and a lower ball bearing is rotatably mounted in the lower bearing cavity. The upper end of the driving shaft is mounted on the housing assembly through the upper ball bearing and the lower ball bearing.

[0016] Wherein, the front end portion of the motor shaft is mounted on the gear box body through a front end bearing, and the rear end portion of the motor shaft is mounted on the motor rear cover through a rear end bearing.

[0017] Wherein, the magnetic component is a magnetic ring component.

[0018] Wherein, the PCB circuit board is fixed to the motor rear cover through a pressure cover.

[0019] Compared with the prior art, the utility model has the following beneficial effects, specifically: when working, the magnetic part installed on the motor shaft rotates synchronously with the motor shaft. In this process, the magnetic part senses with the Hall sensor and generates an induction waveform, which reflects the number of rotations of the motor component. The number of rotations of the motor component will be fed back to the controller of the electric child seat, and the controller of the electric child seat determines the real-time position of the horizontal rotation of the seat according to the number of rotations of the motor component, that is, the horizontal rotation adjustment position can be customized. Therefore, the utility model has the advantages of novel structural design and high degree of intelligence, and is convenient for real-time positioning of the horizontal position of the seat and customization of the horizontal adjustment position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below with reference to the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is an exploded schematic diagram of the utility model.

[0023] exist Figure 1 and Figure 2Included are:

[0024] 1-motor assembly; 11-motor housing; 12-motor back cover; 13-stator assembly; 14-rotor assembly; 141-motor shaft; 2-casing assembly; 21-gear box; 22-gear box cover; 231-upper bearing cavity; 232-lower bearing cavity; 233-worm gear cavity; 3-worm gear; 4-worm; 5-drive shaft; 6-PCB circuit board; 7-Hall sensor; 8-magnetic part; 911-upper ball bearing; 912-lower ball bearing; 921-front bearing; 922-rear bearing; 100-pressure cover. DETAILED DESCRIPTION

[0025] The present invention will be described below in conjunction with specific implementation methods.

[0026] Embodiment 1, as Figure 1 and Figure 2 As shown, a motor driver for adjusting the horizontal rotation of an electric child seat includes a motor assembly 1, a housing assembly 2, a worm gear 3, a worm 4, and a driving shaft 5, wherein the motor assembly 1 is installed on the housing assembly 2.

[0027] The worm wheel 3 and the worm 4 are respectively installed inside the housing assembly 2 , and the worm wheel 3 and the worm 4 are meshed.

[0028] Furthermore, the upper end of the driving shaft 5 extends into the interior of the housing assembly 2 , and the worm gear 3 is sleeved and fastened to the end of the driving shaft 5 .

[0029] Furthermore, the feature is that the motor assembly 1 includes a motor housing 11 , the front end of the motor housing 11 is connected to the housing assembly 2 , and the rear end of the motor housing 11 is provided with a motor rear cover 12 .

[0030] In addition, the motor housing 11 is provided with a stator assembly 13 and a rotor assembly 14. The rotor assembly 14 is provided with a motor shaft 141. The worm 4 is connected to the front end of the motor shaft 141. It should be explained that the worm 4 and the motor shaft 141 are an integral structure.

[0031] In addition, the motor rear cover 12 is equipped with a PCB circuit board 6, the PCB circuit board 6 is equipped with a Hall sensor 7 extending into the motor housing 11, and the rear end of the motor shaft 141 is equipped with a magnetic member 8.

[0032] When the horizontal rotation adjustment motor driver of the electric child seat of the first embodiment is working, the rotor assembly 14 of the motor assembly 1 rotates, and the rotating rotor assembly 14 drives the worm 4 to rotate synchronously through the motor shaft 141. The transmission pair composed of the worm 4 and the worm wheel 3 then drives the driving shaft 5 to rotate. The driving shaft 5 is connected to the base structure of the electric child seat to realize the horizontal rotation adjustment of the electric child seat.

[0033] It should be emphasized that, during the operation of the motor assembly 1 and driving the driving shaft 5 to rotate, the magnetic component 8 installed on the motor shaft 141 rotates synchronously with the motor shaft 141. During this process, the magnetic component 8 senses the Hall sensor 7 and generates an induction waveform, which reflects the number of rotations of the motor assembly 1. The number of rotations of the motor assembly 1 will be fed back to the controller of the electric child seat, and the controller of the electric child seat determines the real-time horizontal rotation position of the seat according to the number of rotations of the motor assembly 1, thereby realizing the customization of the horizontal rotation adjustment position.

[0034] Based on the above, it can be seen that through the above structural design, the electric child seat horizontal rotation adjustment motor driver of the first embodiment has the advantages of novel structural design and high degree of intelligence, and is convenient for realizing real-time positioning of the horizontal position of the seat and customization of the horizontal adjustment position.

[0035] Embodiment 2, as Figure 1 and Figure 2 As shown, the difference between the second embodiment and the first embodiment is that the housing assembly 2 includes a gear box body 21 and a gear box cover 22 screwed and fastened to the gear box body 21 , and the front end of the motor housing 11 is fastened and installed on the gear box body 21 .

[0036] A housing accommodating cavity is formed between the gear box body 21 and the gear box cover 22 , and the upper ends of the worm wheel 3 , the worm 4 and the driving shaft 5 are respectively located in the housing accommodating cavity.

[0037] Embodiment three, as Figure 2 As shown, the difference between the third embodiment and the second embodiment is that the housing cavity is provided with an upper bearing cavity 231, a lower bearing cavity 232, and a worm gear cavity 233, the upper bearing cavity 231 is located on the upper side of the worm gear cavity 233, the lower bearing cavity 232 is located on the lower side of the worm gear cavity 233, and the worm gear 3 is located in the worm gear cavity 233.

[0038] In addition, an upper ball bearing 911 is rotatably installed in the upper bearing cavity 231, and a lower ball bearing 912 is rotatably installed in the lower bearing cavity 232. The upper end of the driving shaft 5 is installed on the housing assembly 2 through the upper ball bearing 911 and the lower ball bearing 912.

[0039] It should be explained that the upper bearing cavity 231, the lower bearing cavity 232 and the worm gear cavity 233 of the third embodiment are respectively enclosed by the gear box body 21 and the gear box cover 22, and the above-mentioned upper ball bearing 911, lower ball bearing 912 and worm gear 3 installation structure design has the advantage of convenient and quick installation.

[0040] Embodiment 4, as Figure 2As shown, the difference between the fourth embodiment and the second embodiment is that the front end of the motor shaft 141 is installed on the gear box 21 through the front end bearing 921, and the rear end of the motor shaft 141 is installed on the motor rear cover 12 through the rear end bearing 922.

[0041] Embodiment 5, as Figure 2 As shown, the difference between the fifth embodiment and the first embodiment is that the magnetic component 8 is a magnetic ring component.

[0042] Embodiment six, as Figure 1 and Figure 2 As shown, the difference between the sixth embodiment and the first embodiment is that the PCB circuit board 6 is fixed to the motor rear cover 12 through the pressing cover 100.

[0043] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A motor driver for adjusting the horizontal rotation of an electric child seat, comprising a motor assembly (1), a housing assembly (2), a worm gear (3), a worm (4), and a driving shaft (5), wherein the motor assembly (1) is mounted on the housing assembly (2); The worm wheel (3) and the worm (4) are respectively installed inside the housing assembly (2), and the worm wheel (3) is meshed with the worm (4); The upper end of the driving shaft (5) extends into the interior of the housing assembly (2), and the worm gear (3) is sleeved and fastened to the end of the driving shaft (5); Features: The motor assembly (1) comprises a motor housing (11), the front end of the motor housing (11) is connected to the housing assembly (2), and the rear end of the motor housing (11) is provided with a motor rear cover (12); A stator assembly (13) and a rotor assembly (14) are installed inside the motor housing (11); the rotor assembly (14) is provided with a motor shaft (141); and the worm (4) is connected to the front end of the motor shaft (141); The motor rear cover (12) is equipped with a PCB circuit board (6), the PCB circuit board (6) is equipped with a Hall sensor (7) extending into the motor housing (11), and the rear end of the motor shaft (141) is equipped with a magnetic component (8).

2. The horizontal rotation adjustment motor driver for an electric child seat according to claim 1, Features: The housing assembly (2) comprises a gear box body (21) and a gear box cover (22) screwed and fastened to the gear box body (21); the front end of the motor housing (11) is fastened and mounted to the gear box body (21); A housing accommodating cavity is formed between the gear box body (21) and the gear box cover (22), and the upper ends of the worm wheel (3), the worm (4) and the driving shaft (5) are respectively located in the housing accommodating cavity.

3. The horizontal rotation adjustment motor driver for an electric child seat according to claim 2, Features: The housing accommodating cavity is provided with an upper bearing cavity (231), a lower bearing cavity (232), and a worm gear cavity (233); the upper bearing cavity (231) is located on the upper side of the worm gear cavity (233); the lower bearing cavity (232) is located on the lower side of the worm gear cavity (233); and the worm gear (3) is located in the worm gear cavity (233); An upper ball bearing (911) is rotatably mounted in the upper bearing cavity (231), and a lower ball bearing (912) is rotatably mounted in the lower bearing cavity (232). The upper end of the driving shaft (5) is mounted on the housing assembly (2) via the upper ball bearing (911) and the lower ball bearing (912).

4. The horizontal rotation adjustment motor driver for an electric child seat according to claim 2, Features: The front end of the motor shaft (141) is mounted on the gear box (21) via a front end bearing (921), and the rear end of the motor shaft (141) is mounted on the motor rear cover (12) via a rear end bearing (922).

5. The horizontal rotation adjustment motor driver for an electric child seat according to claim 1, Features: The magnetic component (8) is a magnetic ring component.

6. The horizontal rotation adjustment motor driver for an electric child seat according to claim 1, Features: The PCB circuit board (6) is fixed to the motor rear cover (12) via a pressing cover (100).

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