An electric clipper with an inverted motor

Abstract

This utility model discloses an electric hair clipper with an inverted motor, comprising: a housing, an outer rotor motor fixedly connected to the housing by screws and spring washers, a motor rotor fixedly connected to the output end of the outer rotor motor, rubber pads abutting on both sides of the outer surface of the outer rotor motor, and an eccentric shaft disposed on the side of the outer rotor motor away from the motor rotor. The outer rotor motor is fixed to the housing by screws and spring washers. The spring washers provide elastic cushioning during screw tightening, and the soft and elastic rubber pads can prevent the vibration generated by the motor operation from spreading outwards, reducing vibration propagation paths from multiple directions, significantly reducing the overall vibration amplitude of the electric hair clipper. The stable movement of the eccentric shaft reduces vibration and noise caused by unstable component movement, greatly reducing the noise level of the electric hair clipper during operation and improving its quietness.

Description

Technical Field

[0001] This utility model relates to the field of electric clipper technology, and in particular to an electric clipper with an inverted motor. Background Technology

[0002] Electric hair clippers are a common hairdressing tool, one of the most frequently used tools by hairdressers. They generally consist of a clipper head and a clipper body. The clipper body is the main functional component, primarily including a motor, battery, PCB control board, spring washers, rubber pads, and other accessories. The motor drives the rotation of an eccentric shaft, which in turn drives the clipper head. In existing technology, the motor mechanism of these electric hair clippers is mainly located on the body, and the motor is a common internal rotor motor. However, the motor is directly fixed inside the body from the front. This front-mounted design cannot effectively prevent hair from entering, necessitating the addition of dustproof accessories. This increases manufacturing costs and the risk of hair entering the motor.

[0003] However, it is necessary to develop a lower-cost motor mechanism to overcome the aforementioned shortcomings, which would not only solve the problem of hair entering the motor and causing damage, but also reduce manufacturing costs and provide a fixing method that minimizes vibration and noise. Therefore, it is necessary to improve the motor mechanism of traditional electric clippers. Utility Model Content

[0004] The purpose of this invention is to provide an electric hair clipper with an inverted motor. The outer rotor motor is fixed to the outer casing by screws and spring washers. The spring washers provide elastic cushioning during screw tightening. The rubber pads are soft and elastic, which can prevent the vibration generated by the motor from spreading outward. This reduces the vibration propagation path from multiple directions, significantly reducing the overall vibration amplitude of the electric hair clipper. The stable eccentric shaft movement reduces the vibration and noise caused by unstable component movement, greatly reducing the noise level of the electric hair clipper during operation and improving the quietness of use.

[0005] To achieve the above objectives, an inverted motor-driven electric clipper is provided, comprising: a housing, an outer rotor motor fixedly connected to the housing via screws and spring washers, a motor rotor fixedly connected to the output end of the outer rotor motor, rubber pads abutting against both sides of the outer surface of the outer rotor motor, and an eccentric shaft disposed on the side of the outer rotor motor away from the motor rotor. This design ensures stable motor installation, efficient power transmission, vibration damping by the rubber pads, and good transmission performance due to the eccentric shaft.

[0006] According to the electric clipper with an inverted motor, the eccentric shaft is adapted to the motor rotor and is located between two screws. The precise fit between the eccentric shaft and the rotor, and the stable position between the screws, ensure smooth and reliable power transmission.

[0007] According to the described inverted motor electric hair clipper, a movable blade holder is rotatably connected to the lower surface of the eccentric shaft, and an adjusting rod is fixedly connected to the side wall of the housing. The adjusting rod and the movable blade holder are compatible. The eccentric shaft drives the blade holder to rotate, and the adjusting rod can be flexibly adjusted, improving the convenience and precision of haircutting operations.

[0008] According to the aforementioned electric hair clipper with an inverted motor, a blade head body is slidably connected to the lower surface of the movable blade holder, and the blade head body is located behind the external rotor motor. The blade holder drives the blade head to slide and cut, and the rear-mounted layout avoids interference, ensuring a smooth and efficient haircutting process.

[0009] According to the aforementioned inverted motor electric clipper, a battery module is disposed on the lower surface of the motor rotor, and a power switch module is fixedly connected to the front surface of the battery module. The battery module provides stable power, and the switch module is easy to operate, ensuring convenient and flexible use of the electric clipper.

[0010] According to the aforementioned electric hair clipper with an inverted motor, a charging module is fixedly connected to the lower surface of the battery module. The charging module facilitates battery replenishment, ensuring the electric hair clipper's continuous operation and meeting hair-cutting needs at any time.

[0011] The above-mentioned solution has the following beneficial effects:

[0012] This utility model comprises a housing, screws, spring washers, an external rotor motor, a motor rotor, a rubber pad, and an eccentric shaft. The external rotor motor is fixed to the housing by screws and spring washers. The spring washers provide elastic cushioning during screw tightening, and the soft and elastic rubber pads can prevent the vibration generated by the motor from spreading outward, reducing the vibration propagation path from multiple directions. This significantly reduces the overall vibration amplitude of the electric clipper. The stable movement of the eccentric shaft reduces the vibration and noise caused by unstable component movement, greatly reducing the noise level of the electric clipper during operation and improving the quietness of use.

[0013] 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

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of an electric clipper with an inverted motor according to the present invention;

[0016] Figure 2 This is a cross-sectional view of an electric clipper with an inverted motor according to the present invention;

[0017] Figure 3 For utility model Figure 2 Enlarged view of the structure at point A in the middle.

[0018] Legend:

[0019] 1. Housing; 2. Battery module; 3. Charging module; 4. Power switch module; 5. Cutter head body; 6. Eccentric shaft; 7. Movable cutter holder; 8. Adjusting rod; 9. Screw; 10. Spring washer; 11. Motor rotor; 12. External rotor motor; 13. Rubber pad. Detailed Implementation

[0020] 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.

[0021] Reference Figure 1-3 This utility model discloses an electric clipper with an inverted motor, comprising: a housing 1, on which an external rotor motor 12 is fixedly connected by screws 9 and spring washers 10. This connection method ensures that the external rotor motor 12 is stably installed inside the housing 1, providing a stable power source foundation for the entire electric clipper. The output end of the external rotor motor 12 is fixedly connected to a motor rotor 11, and the two work together. The external rotor motor 12 drives the motor rotor 11 to rotate at high speed, efficiently converting electrical energy into mechanical energy. Rubber pads 13 are abutting on both sides of the outer surface of the external rotor motor 12. The rubber pads 13 play a shock-absorbing and buffering role, reducing the transmission of vibration generated by the external rotor motor 12 during operation and improving user comfort. An eccentric shaft 6 is provided on the side of the external rotor motor 12 away from the motor rotor 11.

[0022] The eccentric shaft 6 is adapted to the motor rotor 11. The rotation of the motor rotor 11 drives the eccentric shaft 6 to perform eccentric motion, thereby generating a reciprocating driving force. The eccentric shaft 6 is located between two screws 9. The fixing effect of the screws 9 provides a reliable support environment for the stable operation of the eccentric shaft 6. A movable blade holder 7 is rotatably connected to the lower surface of the eccentric shaft 6. The eccentric motion of the eccentric shaft 6 causes the movable blade holder 7 to perform high-frequency reciprocating motion, realizing the cutting action of hair. An adjusting rod 8 is fixedly connected to the side wall of the outer shell 1. The adjusting rod 8 is adapted to the movable blade holder 7. The position of the movable blade holder 7 can be adjusted by the adjusting rod 8, thereby controlling the cutting length of the blade head. The blade head body 5 is slidably connected to the lower surface of the movable blade holder 7. The reciprocating motion of the movable blade holder 7 drives the blade head body 5, making... The blade body 5 enables precise hair trimming. The blade body 5 is located behind the external rotor motor 12. This layout design ensures that the blade is not interfered with by the motor components during operation and is easy to operate. The lower surface of the motor rotor 11 is equipped with a battery module 2, which provides a stable power supply to the external rotor motor 12 and the entire electric hair clipper system to maintain its normal operation. The front surface of the battery module 2 is fixedly connected to a power switch module 4, which is used to control the on / off power supply of the battery module 2 to the external power source, making it convenient for users to operate the electric hair clipper on and off. The lower surface of the battery module 2 is fixedly connected to a charging module 3, which is used to connect to an external power source to replenish the battery module 2 and ensure that the electric hair clipper is always ready to use.

[0023] Working Principle: Before using the electric hair clipper, ensure it has sufficient power. The power is supplied by battery module 2. Charging module 3 connects to an external power source to replenish battery module 2. If the power is insufficient, connect charging module 3 to the external power source to charge, ensuring the clipper is ready for use. Once the power is sufficient, turn on the clipper using power switch module 4. Power switch module 4 is fixed to the front surface of battery module 2 and controls the on / off power supply from battery module 2. Pressing power switch module 4 starts the battery module 2 supplying power to the external rotor motor 12 and the entire clipper system. The motor rotor 11 connected to the output of external rotor motor 12 begins to rotate at high speed, converting electrical energy into mechanical energy. Adjusting the cutting length of the blade can be achieved using adjusting rod 8, which is fixed to the side wall of housing 1 and adapted to the movable blade holder 7. By operating adjusting rod 8, the movable blade holder 7 can be adjusted. The position of the blade body 5 is controlled to adjust the cutting length of the blade head to meet different haircutting needs. After preparation, the haircutting can begin. When the external rotor motor 12 is working, the eccentric shaft 6, located on the side away from the motor rotor 11, will move eccentrically under the drive of the motor rotor 11. The eccentric shaft 6 is located between two screws 9, which provide support for its stable operation. The lower surface of the eccentric shaft 6 is rotatably connected to the movable blade holder 7. The eccentric movement of the eccentric shaft 6 causes the movable blade holder 7 to perform high-frequency reciprocating motion. The blade head body 5, which is slidably connected to the lower surface of the movable blade holder 7, also moves accordingly, achieving precise trimming of the hair. The blade head body 5 is located behind the external rotor motor 12. This layout ensures that the blade head is not interfered with by the motor components during operation and is easy to operate. After the haircutting is finished, press the power switch module 4 again to cut off the power supply to the external battery module 2 and stop the operation of the external rotor motor 12. Then, the electric clippers can be cleaned and maintained for the next use.

[0024] 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 electric clipper of the inverted motor type, comprising: The outer casing (1) is characterized in that: an external rotor motor (12) is fixedly connected to the outer casing (1) by screws (9) and spring washers (10), a motor rotor (11) is fixedly connected to the output end of the external rotor motor (12), rubber pads (13) are abutting on both the left and right sides of the outer surface of the external rotor motor (12), and an eccentric shaft (6) is provided on the side of the external rotor motor (12) away from the motor rotor (11).

2. An electric clipper of the flip-type motor according to claim 1, characterized in that: The eccentric shaft (6) is adapted to the motor rotor (11), and the eccentric shaft (6) is located between two screws (9).

3. An electric clipper of the flip-type motor according to claim 1, characterized in that: The lower surface of the eccentric shaft (6) is rotatably connected to a movable tool holder (7), and the side wall of the outer shell (1) is fixedly connected to an adjusting rod (8), which is adapted to the movable tool holder (7).

4. An electric clipper of the flip-up type according to claim 3, characterized in that: The movable tool holder (7) is slidably connected to the lower surface of the tool head body (5), and the tool head body (5) is located behind the external rotor motor (12).

5. The electric clipper with an inverted motor according to claim 1, characterized in that: A battery module (2) is provided on the lower surface of the motor rotor (11), and a power switch module (4) is fixedly connected to the front surface of the battery module (2).

6. An electric clipper of the flip-type motor according to claim 5, characterized in that: The lower surface of the battery module (2) is fixedly connected to the charging module (3).

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