Automobile wiper motor

Abstract

The utility model discloses an automobile wiper motor, which comprises a motor shell and a rotor part, the rotor part is rotatably arranged on one side in the motor shell, a stator part is arranged on the outer side of the rotor part, and the outer wall of the stator part is fixedly connected with the inner wall of the motor shell. One side of the rotor part extends into the motor shell and is rotatably arranged on the support, the motor shell is locked and fixed on the support through the fastening screw, the armature part is driven to rotate through rotation of the rotor part, the armature part drives a worm of the reduction gearbox part to rotate after being electrified, the worm drives a worm wheel to rotate, and the motor shell is driven to rotate through the worm wheel. The turbine drives the gear component to rotate, the gear component is in meshing transmission with the output shaft component, the output shaft component drives the crank to rotate, the crank drives the wiper arm to reciprocate to scrape and clean water drops on a windshield, internal structural parts of the motor are high in universality and compact in structure, and the motor is small in overall size, small in occupied space and high in transmission power. And water is wiped smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, and particularly relates to an automotive wiper motor. Background Art

[0002] A wiper, also known as a windshield wiper, water wiper, windshield wiper or windscreen wiper, is a device used to scrape off raindrops and dust attached to the vehicle windshield to improve the driver's visibility and increase driving safety. Due to legal requirements, almost all cars everywhere are equipped with wipers, and the rear windows of hatchbacks and SUVs are also equipped with wipers. With the rapid development of the automotive industry, people's consumption of cars is increasing, and the market for automotive parts is also becoming larger and larger. The demand for the use of wipers is increasing year by year.

[0003] The power source of the wiper comes from an electric motor. The existing wiper motor is generally fixedly connected to a reduction mechanism. The existing windshield wiper motor has a large volume, insufficient power and occupies a large space in application, making installation inconvenient.

[0004] Therefore, it is necessary to provide an automotive wiper motor to solve the above technical problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an automotive wiper motor to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: An automotive wiper motor, including a motor housing and a rotor component. The rotor component is rotatably arranged on one side inside the motor housing. A stator component is arranged outside the rotor component. The outer wall of the stator component is fixedly connected to the inner wall of the motor housing. One side of the rotor component extends into the motor housing and is rotatably arranged on a bracket. An armature component is rotatably arranged on the side wall of the bracket away from the rotor component. A reduction gearbox component is arranged outside the armature component. A reducer is arranged inside the reduction gearbox component. The reducer is coupled with the armature component. A gear component is rotatably arranged inside the motor housing. The gear component is in transmission with the turbine of the reduction gearbox component. A connecting shaft rod is arranged in the middle of the gear component. An output shaft component is rotatably arranged inside the motor housing. The gear component is in meshing transmission with the output shaft component. A crank component is sleeved on the output shaft component. A cover plate component is arranged outside the motor housing. The cover plate component includes a wire cover plate and a module component. The wire cover plate is arranged outside the motor housing. The module component is arranged inside the wire cover plate.

[0007] As a preferred technical scheme of the utility model, the armature component is connected to the bracket through a bearing, and the end of the armature component is in transmission connection with the end of the rotor component.

[0008] As a preferred technical solution of the present utility model, steel balls are rollably arranged at one end of the armature component away from the rotor component, a set screw is arranged inside the motor housing, and the set screw is disposed facing the side wall of the armature component.

[0009] As a preferred technical solution of the present utility model, the speed reducer component is generally composed of a worm and worm gear reducer. A speed reducer is arranged inside the speed reducer component. The worm of the speed reducer component is coupled with the armature component, and the gear component is in transmission with the worm wheel of the speed reducer component.

[0010] As a preferred technical solution of the present utility model, a bolt assembly is arranged on the outer side of the motor housing, and a lining sleeve and a rubber pad are arranged between the bolt assembly and the motor housing.

[0011] As a preferred technical solution of the present utility model, a cover plate is arranged on the outer side of the motor housing, and a plurality of self-tapping screws are arranged on the cover plate.

[0012] As a preferred technical solution of the present utility model, a fastening screw is arranged at the connection between the top of the motor housing and the bracket, and a screw anti-loosening washer is sleeved on the fastening screw.

[0013] As a preferred technical solution of the present utility model, the module component includes a first wire, a second wire, a third wire and a protector. The first wire is white in color, the second wire is red in color, and the third wire is black in color.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] For the automotive wiper motor of the present utility model, the motor housing is locked and fixed on the bracket by the fastening screw. A stator component and a rotor component are arranged inside the motor housing. The rotation of the rotor component drives the rotation of the armature component. The speed reducer of the speed reducer component is coupled with the armature component to transmit the power from the armature component. The worm of the speed reducer component is coupled with the armature component, and the gear component is in transmission with the worm wheel of the speed reducer component. After the armature component is powered on, it drives the worm of the speed reducer component to rotate, and the worm drives the worm wheel to rotate, and the worm wheel drives the gear component to rotate. The gear component is in meshing transmission with the output shaft component, and the output shaft component drives the crank to rotate. The crank drives the wiper arm to reciprocate to scrape and clean the water droplets on the windshield. The internal structural components of the motor have strong versatility, a compact structure, a small overall volume of the motor, a small occupied space, a large transmission power, and smooth water scraping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described below with reference to the drawings and embodiments.

[0017] Figure 1is a three-dimensional schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is the front view of the overall structure of the present utility model;

[0019] Figure 3 is the left view of the overall structure of the present utility model;

[0020] Figure 4 is the schematic diagram of the internal circuit installation of the overall structure of the present utility model;

[0021] Figure 5 is the right view of the overall structure of the present utility model;

[0022] Figure 6 is the sectional view of the motor drive part of the present utility model;

[0023] Figure 7 is the sectional view of the motor output shaft component of the present utility model.

[0024] In the figure: 1. Motor housing; 2. Rotor component; 3. Bolt combination; 4. Cover plate component; 5. Reducer component; 6. Gear component; 7. Output shaft component; 8. Stator component; 9. Armature component; 10. Steel ball; 11. Set screw; 12. Fastening screw; 13. Self-tapping screw; 14. Cover wire board; 15. Screw anti-loosening washer; 16. First wire; 17. Second wire; 18. Third wire; 19. Protector; 20. Rubber pad; 21. Inner lining sleeve. Detailed implementation manners

[0025] The embodiments of the present utility model will be described below with reference to the accompanying drawings. In this process, to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.

[0026] In addition, the terms used below are defined based on the functions in the present utility model and may vary according to the intentions or conventions of users and operators. Therefore, these terms are defined based on the entire content of this specification.

[0027] Such as Figures 1 to 6As shown in the figure, an automotive wiper motor includes a motor housing 1 and a rotor component 2. The rotor component 2 is rotatably arranged on one side inside the motor housing 1. A stator component 8 is arranged outside the rotor component 2, and the outer wall of the stator component 8 is fixedly connected to the inner wall of the motor housing 1. One side of the rotor component 2 extends into the motor housing 1 and is rotatably arranged on a bracket. A brush spring is arranged on the outer circumferential surface at the connection of the rotor component 2 and the bracket. An armature component 9 is rotatably arranged on the side wall of the bracket away from the rotor component 2. The armature component 9 is connected to the bracket through a bearing. The end of the armature component 9 is drivingly connected to the end of the rotor component 2. The rotor component 2 drives the armature component 9 to rotate. A steel ball 10 is rollably arranged at one end of the armature component 9 away from the rotor component 2. A set screw 11 is arranged inside the motor housing 1, and the set screw 11 is arranged facing the side wall of the armature component 9 to limit the armature component 9 and ensure smooth rotation of the armature component 9. A speed reduction box component 5 is arranged outside the armature component 9. A speed reducer is arranged inside the speed reduction box component 5, and the speed reducer is coupled with the armature component 9 to transmit the power from the armature component 9. The speed reduction box component 5 is generally composed of a worm and worm gear speed reducer. The worm of the speed reduction box component 5 is coupled with the armature component 9. A gear component 6 is rotatably arranged inside the motor housing 1, and the gear component 6 is in transmission with the turbine of the speed reduction box component 5. After the armature component 9 is energized, it drives the worm of the speed reduction box component 5 to rotate, and the worm drives the turbine to rotate, and the turbine drives the gear component 6 to rotate, thereby transmitting the power to the external wiper to scrape the water droplets on the windshield of the vehicle.

[0028] As Figure 7 shown, a connecting shaft rod is arranged in the middle of the gear component 6. An output shaft component 7 is rotatably arranged inside the motor housing 1. The gear component 6 is in meshing transmission with the output shaft component 7. A crank component is sleeved on the output shaft component 7. The crank component is fixedly connected to the wiper arm of the external wiper. The output shaft component 7 drives the crank component and the wiper arm to reciprocate to scrape and clean the water droplets on the windshield.

[0029] As Figure 2 and Figure 3 shown, bolt assemblies 3 are arranged outside the motor housing 1. A bush 21 and a rubber pad 20 are arranged between the bolt assemblies 3 and the motor housing 1. The motor housing 1 is fixedly connected to the automotive parts through the bolt assemblies 3. A fastening screw 12 is arranged at the connection of the top of the motor housing 1 and the bracket. A screw anti-loosening washer 15 is sleeved on the fastening screw 12. The motor housing 1 is fixedly locked on the bracket through the fastening screw 12.

[0030] As Figure 3 and Figure 4As shown, a cover plate is provided on the outside of the motor housing 1, and a plurality of self-tapping screws 13 are provided on the cover plate. The cover plate is locked on the motor housing 1 by the plurality of self-tapping screws 13. A cover plate component 4 is provided on the outside of the motor housing 1, and the cover plate component 4 includes a wire cover plate 14 and a module component. The wire cover plate 14 is provided on the outside of the motor housing 1, and the module component is provided in the wire cover plate 14. The operation of the electrical components in the motor housing 1 is controlled by the module component. The module component includes a first wire 16, a second wire 17, a third wire 18 and a protector 19. The first wire 16 is white, the second wire 17 is red, and the third wire 18 is black. Different wires are distinguished by color to facilitate subsequent troubleshooting and replacement.

[0031] The specific implementation method is as follows: the motor housing 1 is locked and fixed on the bracket by fastening screws 12, and a stator component 8 and a rotor component 2 are arranged in the motor housing 1. The armature component 9 is driven to rotate by the rotation of the rotor component 2. The reducer of the reduction box component 5 is coupled with the armature component 9 to transmit the power from the armature component 9. The worm of the reduction box component 5 is coupled with the armature component 9, and the gear component 6 is transmitted to the turbine of the reduction box component 5. After the armature component 9 is energized, the worm of the reduction box component 5 is driven to rotate, and the worm drives the turbine to rotate, and the turbine drives the gear component 6 to rotate. The gear component 6 is meshed with the output shaft component 7 for transmission, and the output shaft component 7 drives the crank to rotate, and the crank drives the wiper arm to reciprocate to scrape and clean the water droplets on the windshield. The internal structural components of the motor are highly versatile and compact in structure. The overall size of the motor is small, the space occupied is small, the transmission power is large, and the wiping is smooth.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automotive wiper motor, comprising a motor housing (1) and a rotor component (2), wherein the rotor component (2) is rotatably arranged on one side inside the motor housing (1), and is characterized in that: A stator component (8) is provided on the outer side of the rotor component (2). The outer wall of the stator component (8) is fixedly connected to the inner wall of the motor housing (1). One side of the rotor component (2) extends into the motor housing (1) and is rotatably arranged on a bracket. An armature component (9) is rotatably arranged on the side wall of the bracket away from the rotor component (2). A speed reduction box component (5) is provided on the outer side of the armature component (9). A speed reducer is arranged in the speed reduction box component (5), and the speed reducer is coupled with the armature component (9). A gear component (6) is rotatably arranged in the motor housing (1). The gear component (6) is in transmission with the turbine of the speed reduction box component (5). A connecting shaft rod is arranged in the middle of the gear component (6). An output shaft component (7) is rotatably arranged in the motor housing (1). The gear component (6) is in meshing transmission with the output shaft component (7). A crank component is sleeved on the output shaft component (7). A cover plate component (4) is provided on the outer side of the motor housing (1). The cover plate component (4) includes a wire cover plate (14) and a module component. The wire cover plate (14) is arranged on the outer side of the motor housing (1), and the module component is arranged in the wire cover plate (14).

2. The automotive wiper motor according to claim 1, characterized in that: The armature component (9) is connected to the bracket through a bearing, and the end of the armature component (9) is in transmission connection with the end of the rotor component (2).

3. The windshield wiper motor according to claim 1, characterized in that: A steel ball (10) is rotatably arranged at one end of the armature component (9) away from the rotor component (2). A set screw (11) is arranged in the motor housing (1), and the set screw (11) is arranged opposite to the side wall of the armature component (9).

4. The automotive wiper motor according to claim 1, characterized in that: The speed reduction box component (5) is generally composed of a worm and worm gear speed reducer, and the worm of the speed reduction box component (5) is coupled with the armature component (9).

5. A windshield wiper motor according to claim 1, characterized in that: A bolt assembly (3) is provided on the outer side of the motor housing (1), and a lining sleeve (21) and a rubber pad (20) are arranged between the bolt assembly (3) and the motor housing (1).

6. The automotive wiper motor according to claim 1, wherein: A cover plate is provided on the outer side of the motor housing (1), and a plurality of self-tapping screws (13) are arranged on the cover plate.

7. The windshield wiper motor according to claim 1, characterized in that: A fastening screw (12) is arranged at the connection between the top of the motor housing (1) and the bracket, and a screw anti-loosening washer (15) is sleeved on the fastening screw (12).

8. The automotive wiper motor according to claim 1, wherein: The module component includes a first wire (16), a second wire (17), a third wire (18) and a protector (19). The first wire (16) is white in color, the second wire (17) is red in color, and the third wire (18) is black in color.

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