Waterproof windscreen wiper motor assembly

Abstract

The utility model discloses a waterproof windscreen wiper motor assembly, which comprises a motor shell and a stator component, the stator component is arranged on the inner wall of the motor shell, an armature component is arranged in the stator component, the armature component is rotatably arranged in the motor shell, a shell is arranged at the top of the motor shell, and a waterproof layer is arranged on the shell. The armature component is coupled with the reduction gearbox component so as to transmit power from the armature component, the armature component drives the worm of the reduction gearbox component to rotate after being electrified, the worm drives the turbine to rotate, the turbine drives the gear component to rotate, and the gear component drives the output shaft component to rotate. The output shaft component is meshed with the external gear through the gear teeth, the external gear drives the rocker arm to swing, the rocker arm drives the windscreen wiper arm of the windscreen wiper to swing in a reciprocating mode, then water drops on a windscreen of an automobile are scraped, the motor assembly adopts a full-sealing technology, the appearance is attractive, the waterproof effect of the motor is higher, the transmission power is large, and water wiping is smooth.

Description

Technical Field

[0001] This utility model relates to the field of windshield wiper technology, and in particular to a waterproof windshield wiper motor assembly. Background Technology

[0002] Windshield wipers, also known as wipers, are devices used to wipe away raindrops and dust adhering to the windshield of a vehicle, improving the driver's visibility and increasing driving safety. Due to legal requirements, almost all cars are equipped with windshield wipers, and hatchbacks and SUVs also have rear window wipers. With the rapid development of the automotive industry, people's consumption of cars is increasing, and the market for auto parts is also growing, with the demand for windshield wipers rising year by year.

[0003] The power source for windshield wipers comes from electric motors. Existing windshield wiper motors are generally fixedly connected to a reduction gear mechanism. Due to poor sealing at the connection between the traditional windshield wiper motor and the reduction gear mechanism, water can easily enter the connection during rainy weather, causing the windshield wiper motor to malfunction. If the wipers fail to work due to motor failure while driving, people will not be able to see the road conditions, which may lead to traffic accidents.

[0004] Therefore, it is necessary to provide a waterproof wiper motor assembly to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a waterproof wiper motor assembly to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a waterproof wiper motor assembly, comprising a motor housing and a stator component, the stator component being disposed on the inner wall of the motor housing, an armature component being disposed within the stator component, the armature component being rotatably disposed within the motor housing, a shell being disposed on the top of the motor housing, the shell being an integrally sealed structure, the output end of the armature component extending into the shell, a reduction gearbox component being disposed within the shell, a reducer being disposed within the reduction gearbox component, the reducer being coupled to the armature component, a gear component being rotatably disposed within the shell, an output shaft component being disposed on the gear component, the output shaft component meshing with an external gear through gear teeth, a water inlet pipe base being disposed within the shell, a water inlet pipe connector being disposed on the side wall of the water inlet pipe base, a rear cover plate being disposed on the side wall of the water inlet pipe connector, the rear cover plate covering and sealing the water inlet pipe connector, a top screw being disposed within the shell, the top screw being disposed directly opposite the armature component, and a steel ball being rotatably disposed on the top of the armature component.

[0007] As a preferred technical solution of this utility model, a lip-shaped sealing ring and an iron flat gasket are provided at the snap-fit ​​joint between one end of the water inlet pipe connector and one end of the water inlet pipe base.

[0008] As a preferred embodiment of this utility model, an O-ring and a sealing sleeve are provided at the connection between the water inlet pipe connector and the outer end of the water inlet pipe base.

[0009] As a preferred embodiment of this utility model, the outlet of the water inlet pipe base is fitted with a protective sleeve.

[0010] As a preferred embodiment of this utility model, the gearbox component is generally composed of a worm gear reducer, wherein the worm of the gearbox component is coupled to the armature component, and the gear component is driven by the worm of the gearbox component.

[0011] As a preferred embodiment of this utility model, a cover plate component is provided on the outer shell, and a plurality of self-tapping screws are provided at the connection between the cover plate component and the outer shell.

[0012] As a preferred embodiment of this utility model, a plurality of screws are provided at the connection between the motor housing and the shell, and a hook is provided at the connection between the motor housing and the shell.

[0013] As a preferred embodiment of this utility model, a rubber pad is snapped onto the outer side of the outer shell, a first foot pad is provided inside the rubber pad, and a second foot pad is snapped onto the lower end of the outer shell, with the second foot pad located on one side of the motor shell.

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

[0015] This utility model discloses a waterproof wiper motor assembly. The motor housing is secured to the outer casing with screws. A stator and armature assembly are housed within the motor housing. When energized, the stator drives the armature assembly to rotate. The reducer of the gearbox assembly is coupled to the armature assembly to transmit power from it. The worm gear of the gearbox assembly is also coupled to the armature assembly. A gear assembly and a worm wheel of the gearbox assembly drive each other. When the armature assembly is energized, it drives the worm gear of the gearbox assembly to rotate, which in turn drives the worm wheel to rotate. The worm wheel then drives the gear assembly to rotate, which in turn drives the output shaft assembly to rotate. The output shaft assembly, through a gear... The gear meshes with an external gear, which drives the rocker arm to swing. The rocker arm then drives the wiper arm to swing back and forth, thus wiping away water droplets from the windshield. The motor assembly adopts a fully sealed process, resulting in an aesthetically pleasing appearance, enhanced waterproofing, higher transmission power, and smoother wiping. A lip seal and a flat iron washer are installed at the connection point between one end of the water inlet pipe connector and the other end of the water inlet pipe base to improve the sealing performance of the connection and prevent liquid leakage. An O-ring and a sealing sleeve are installed at the connection point between the water inlet pipe connector and the outer end of the water inlet pipe base to further enhance the sealing at the outlet of the water inlet pipe base, making the overall sealing of the motor assembly stronger. 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 front view of the overall structure of this utility model;

[0018] Figure 2 This is a right view of the overall structure of this utility model;

[0019] Figure 3 This is a left view of the overall structure of this utility model;

[0020] Figure 4 This is a cross-sectional view of the present invention.

[0021] In the diagram: 1. Gearbox assembly; 2. Rubber pad; 3. First foot pad; 4. Gear assembly; 5. Output shaft assembly; 6. Second foot pad; 7. Stator assembly; 8. Armature assembly; 9. Top screw; 10. Screw; 11. Hanger; 12. Self-tapping screw; 13. Cover plate assembly; 14. Rear cover plate; 15. Inlet pipe base; 16. Inlet pipe connector; 17. Lip seal; 18. Flat iron washer; 19. O-ring seal; 20. Sealing sleeve; 21. Protective sleeve; 22. Steel ball. Detailed Implementation

[0022] The embodiments of this utility model will now be described with reference to the accompanying drawings. In this process, to ensure clarity and convenience, we may exaggerate the width of lines or the size of constituent elements in the drawings.

[0023] Furthermore, the terms used below are defined based on the functions of this utility model and may vary depending on the user's or operator's intent or convention. Therefore, these terms are defined based on the entire contents of this specification.

[0024] like Figures 1 to 4 As shown, a waterproof wiper motor assembly includes a motor housing and a stator component 7. The stator component 7 is disposed on the inner wall of the motor housing, and an armature component 8 is disposed inside the stator component 7. The armature component 8 is rotatably disposed within the motor housing. A shell is disposed on the top of the motor housing, and the shell is an integrally sealed structure. The output end of the armature component 8 extends into the shell. A reduction gearbox component 1 is disposed inside the shell, and a reducer is disposed inside the reduction gearbox component 1. The reducer is coupled to the armature component 8 to transmit power from the armature component 8. The reduction gearbox component 1 is generally composed of a worm gear reducer, and the worm of the reduction gearbox component 1 is coupled to the armature component 8. A gear component 4 is rotatably disposed inside the shell, and the gear component 4 drives the worm of the reduction gearbox component 1. When the armature component 8 is energized, it drives the worm of the reduction gearbox component 1 to rotate, and the worm drives the worm to rotate, which in turn drives the gear component 4 to rotate, thereby transmitting power to the external wiper to wipe away water droplets on the windshield of the car.

[0025] The gear component 4 is provided with an output shaft component 5, which meshes with an external gear through gear teeth. The external gear drives the rocker arm to swing, and the rocker arm drives the wiper arm of the windshield wiper to swing back and forth, thereby wiping away water droplets on the windshield of the car. The outer shell is provided with a cover plate component 13, and the outer shell is provided with a water inlet pipe base 15. The side wall of the water inlet pipe base 15 is provided with a water inlet pipe connector 16, and the side wall of the water inlet pipe connector 16 is provided with a rear cover plate 14, which covers and seals the water inlet pipe connector 16. A lip seal ring 17 and a flat iron washer 18 are provided at the joint between one end of the water inlet pipe connector 16 and one end of the water inlet pipe base 15 to improve the sealing performance of the connection and prevent liquid leakage. An O-ring seal ring 19 and a sealing sleeve 20 are provided at the connection between the water inlet pipe connector 16 and the outer end of the water inlet pipe base 15 to enhance the sealing of the outlet of the water inlet pipe base 15. A protective sleeve 21 is provided at the outlet of the water inlet pipe base 15.

[0026] The housing is provided with a top screw 9, which is positioned directly opposite the armature component 8 to limit the armature component 8. A steel ball 22 is rotatably provided on the top of the armature component 8 to reduce friction during rotation.

[0027] Multiple screws 10 are provided at the connection between the motor housing and the shell, and the two are locked and fixed by the screws 10. A hook 11 is provided at the connection between the motor housing and the shell for easy carrying of the motor. Multiple self-tapping screws 12 are provided at the connection between the cover plate component 13 and the shell, and the two are locked and sealed by the self-tapping screws 12.

[0028] A rubber pad 2 is snapped onto the outer side of the outer casing, and a first foot pad 3 is provided inside the rubber pad 2. A second foot pad 6 is snapped onto the lower end of the outer casing. The second foot pad 6 is located on one side of the motor casing. The first foot pad 3 and the second foot pad 6 facilitate the installation and fixation of the motor assembly.

[0029] Specifically, the motor housing is secured to the outer casing using screws 10. A stator component 7 and an armature component 8 are housed within the motor housing. When energized, the armature component 8 rotates. The reducer of the gearbox component 1 is coupled to the armature component 8 to transmit power from it. The worm gear of the gearbox component 1 is coupled to the armature component 8. The gear component 4 drives the worm wheel of the gearbox component 1. When the armature component 8 is energized, it drives the worm gear of the gearbox component 1 to rotate, which in turn drives the worm wheel to rotate. The worm wheel then drives the gear component 4 to rotate, which in turn drives the output shaft component 5 to rotate. The output shaft component 5 meshes with an external gear through its teeth. An external gear drives the rocker arm to swing, which in turn drives the wiper arm to swing back and forth, thus wiping away water droplets on the windshield. The motor assembly adopts a fully sealed process, which is aesthetically pleasing, provides better waterproofing, has high transmission power, and ensures smooth wiping. A lip seal 17 and a flat iron washer 18 are set at the connection between one end of the water inlet pipe connector 16 and the other end of the water inlet pipe base 15 to improve the sealing performance of the connection and prevent liquid leakage. An O-ring seal 19 and a sealing sleeve 20 are set at the connection between the water inlet pipe connector 16 and the outer end of the water inlet pipe base 15 to further enhance the sealing performance at the outlet of the water inlet pipe base 15, making the overall sealing performance of the motor assembly stronger.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waterproof wiper motor assembly, comprising a motor housing and a stator component (7), wherein the stator component (7) is disposed on the inner wall of the motor housing, characterized in that: An armature component (8) is disposed within the stator component (7). The armature component (8) is rotatably disposed within the motor housing. A shell is disposed on the top of the motor housing. The shell is an integrally sealed structure. The output end of the armature component (8) extends into the shell. A gearbox component (1) is disposed within the shell. A reducer is disposed within the gearbox component (1). The reducer is coupled to the armature component (8). A gear component (4) is rotatably disposed within the shell. An output shaft component (5) is disposed on the gear component (4). The output shaft component (5) meshes with an external gear through gear teeth. A water inlet pipe base (15) is provided inside the housing. A water inlet pipe connector (16) is provided on the side wall of the water inlet pipe base (15). A rear cover plate (14) is provided on the side wall of the water inlet pipe connector (16). The rear cover plate (14) covers and seals the water inlet pipe connector (16). A top screw (9) is provided inside the housing. The top screw (9) is positioned opposite the armature component (8). A steel ball (22) is rotatably provided on the top of the armature component (8).

2. The waterproof wiper motor assembly according to claim 1, characterized in that: A lip-shaped sealing ring (17) and an iron flat washer (18) are provided at the point where one end of the water inlet pipe connector (16) and the other end of the water inlet pipe base (15) are engaged.

3. The waterproof wiper motor assembly according to claim 1, characterized in that: The connection between the water inlet pipe connector (16) and the outer end of the water inlet pipe base (15) is provided with an O-ring (19) and a sealing sleeve (20).

4. A waterproof wiper motor assembly according to claim 1, characterized in that: The outlet of the water inlet pipe base (15) is fitted with a protective sleeve (21).

5. A waterproof wiper motor assembly according to claim 1, characterized in that: The gearbox component (1) is generally composed of a worm gear reducer. The worm of the gearbox component (1) is coupled to the armature component (8), and the gear component (4) is driven by the worm of the gearbox component (1).

6. A waterproof wiper motor assembly according to claim 1, characterized in that: The outer casing is provided with a cover plate component (13), and a plurality of self-tapping screws (12) are provided at the connection between the cover plate component (13) and the outer casing.

7. A waterproof wiper motor assembly according to claim 1, characterized in that: The motor housing is provided with multiple screws (10) at the connection between the motor housing and the shell, and a hook (11) is provided at the connection between the motor housing and the shell.

8. A waterproof wiper motor assembly according to claim 1, characterized in that: A rubber pad (2) is snapped onto the outside of the outer casing, and a first foot pad (3) is provided inside the rubber pad (2). A second foot pad (6) is snapped onto the lower end of the outer casing, and the second foot pad (6) is located on one side of the motor casing.

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