JPH0320275B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electric clipper, and its main purpose is to reduce power consumption.

Conventionally, electric hair clippers can be used for round cutting as well as
Plow mowing and edge mowing are now being practiced.

However, even though the number of hairs cut during plowing and edge shaving is extremely small compared to round shaving, the motor is driven with the same power as when shaving, which wastes electricity. At the same time, even when plowing or edge cutting, which is done with a sense of precision, more power than necessary caused camera shake, making it difficult to use.

Focusing on this fact, this invention aims to reduce power consumption by reducing the power of the motor when mowing other than round mowing, reduces camera shake, and in particular, provides electric power that enables automatic switching of motor power. It is intended to provide hair clippers.

The details will be explained below based on the drawings.

1 to 5 illustrate an electric hair clipper according to the present invention, in which a hair clipper type reaping device 2, a vibrator 3 for driving the same, a motor 4, and a battery 5 are installed in the main body case 1 in order from the front. The main body case 1 is also removably equipped with a high-power or low-power cutting method adjustment attachment 6.

The reaping device 2 includes a fixed blade 9 attached to a fixed blade support 8 which is removably pivoted to the main body case 1 via a support shaft 7.
At the same time, the movable blade 11 fixed to the movable blade support 10 is attached to the fixed blade support 8 by the spindle 12.
The fixed blade 9 is fixed by the helical spring 13 attached through the
is pressed against the top surface of the
An arm 15 at the tip of the vibrator 3 is engaged with a protrusion 14 protruding from the upper surface of the movable blade support 10, so that the movable blade 11 vibrates in the left-right direction based on the rotation of the motor 4 via the vibrator 3. .

There is a switch operation knob 1 on the side of the main case 1.
6 is slidably attached, and in conjunction with the sliding operation of the knob 16, a power switch 17 interposed in the energizing circuit of the motor 4 is turned on and off.

A power changeover switch 18 having one circuit and two contacts is built into the main body case 1, and the operating knob 16 of the power changeover switch 18 is slid in conjunction with the attachment operation of the attachment 6 to switch the contacts. Furthermore, the power changeover switch 18
The movable electrode 37 of the power switch 18 is connected to the power switch 17, the first contact 20 of the power changeover switch 18 is directly connected to the motor 4, and the second contact 21 is connected to the motor 4 via a diode 22.

The operation knob 19 of the power changeover switch 18 is attached to the lower surface of the main body case 1 so as to be slidable in the front and back direction, and is normally stopped at the front position A by being biased by a spring 23. At this time, the power changeover switch 18 is on the second contact 21 side, so when the power switch 17 is turned on, the battery 5 is connected to both ends of the motor 4 via the diode 22.
Therefore, a voltage lower than the output voltage of the battery 5 by the voltage drop caused by the diode 22 is applied to the motor 4, and the motor 4 rotates at a slower rotation speed than usual. When the operation knob 19 moves to the rear position B against the spring 23 in conjunction with the attachment of the high-power mowing adjustment attachment 6, which will be described later, the power changeover switch 18 enters the first contact 20 side, so the power switch 17 When the motor 4 is closed, the motor 4 is directly connected to the battery 5 and rotates at a normal rotation speed and high power.

As the cutting method adjustment attachment 6, a hair cutting height adjustment tool 24 is illustrated in the drawing, and this cutting height adjustment tool 24 includes a comb board 25 that can be inserted into and removed from the front end of the main body case 1 When the comb board 25 is inserted into the front end of the main body case 1, the comb teeth 26 face the fixed blade 9 at a constant interval, and the hair is shaved long by the distance. There is also a comb board 25 that can be used.
An operating portion 27 corresponding to the operating knob 19 of the power changeover switch 18 is formed in a recessed portion at the rear end.

In such a case, when the cutting height adjuster 24, which is a high-power cutting method adjustment attachment 6, is attached as shown in FIGS. 2 and 4, the operating section 2
7, the operation knob 19 is pushed and moved to the rear position B, and the motor 4 rotates at a normal rotational speed to drive the movable blade 11 with high power suitable for the load of circular cutting. When the cutting height adjuster 24 is removed, the operation knob 1
9 is returned to its original front position A by the force of the spring 23 to form a low power circuit. Under this low power, plowing is performed using, for example, a plowing comb 28 built into the main body case 1. The plow cutting comb 28 has comb teeth 31 by arranging grooves 30 at the tip of its handle body 29, and has an operating knob 32 at the rear end. By facing the operation port 33 opened at
and the front end of the upper wall 1a in the front-rear direction. When the comb teeth 31 are made to protrude, the grooves 30 thereof will wrap with the cutting edge of the fixed blade 9, so that only the hair introduced into the grooves 30 will be shorn, and when the power switch 17 is turned on at this time, the battery 5 will be turned on by the diode. It is connected to the motor 4 via 22 to form a low power circuit. Therefore, a voltage lower than the output voltage of the battery 5 by the voltage drop caused by the diode 22 is applied to the motor 4, and the rotation speed of the motor 4 is lower than the normal speed.
For example, the movable blade 11 is driven by rotating at 1/2 rotation speed.

The operation knob 19 of the power changeover switch 18 may be operated not only by a slide type but also by a push type as shown in FIG. 6, for example. In this case, tapers 37 and 35 are formed on the operating portion 27 and the operating knob 19 of the cutting method adjustment attachment 6, respectively,
Taper 34, 35 when attaching attachment 6
Through their abutment, the operating knob 19 is pressed against the internal spring in the C direction perpendicular to the mounting direction, thereby switching to high power.

In the above embodiment, a low power circuit is formed in the normal state, and by attaching the high power cutting method adjustment attachment 6, the circuit can be switched to a high power circuit via the power changeover switch 18. , a high-power circuit is formed in the normal state, and a low-power mowing adjustment attachment 6, such as a plow comb 28, is made removable from the main body case 1, and by this attachment, a low-power circuit is formed via the power changeover switch 18. It may also be possible to switch to.

Furthermore, two types of cutting method adjustment attachments, one for high power and one for low power, may be provided, and by mounting the attachments, the power changeover switch 18 may be changed to a state appropriate to the type of attachment.
For example, if the power changeover switch 18 is configured to be located on the low power side during normal operation, by providing a relief at the position where the low power attachment contacts the operation knob 19, the power changeover switch 18 can be switched even when the attachment is attached. To prevent the switch 18 from switching to the high power side.

In addition to the above-mentioned plow comb, the low-power mowing adjustment attachment 6 may be, for example, a edge cutter.

In the above embodiment, the rotational speed of the motor 4 can be switched in two stages, but it may also be switchable in three or more stages as shown in FIG. In this case, the number of diodes 22 and 38 inserted in series in the current-carrying circuit will be increased sequentially in accordance with the voltage to be lowered. Furthermore, when the motor is directly driven by commercial power, it is possible to do so by switching between full-wave rectification and half-wave rectification.

As described above, the electric hair clipper of the present invention is equipped with a power changeover switch 18 that can switch the power of the motor 4 between several high and low levels, and the motor 4 is Since the electric power input to the motor 4 is automatically switched to a level suitable for the light and weight of the load applied to the motor 4 when the attachment 6 is used, the battery life is limited, especially in the case of a battery type. Not only can the time be extended, but also the switching operation of the power changeover switch 18 can be performed in conjunction with the operation of attaching the cutting method adjustment attachment 6, making it extremely easy to use. In addition, by reducing the rotation speed of the motor 4 during plowing and edge cutting, the fear of over-cutting can be alleviated, and the amount of hair to be cut can be intuitively grasped by the change in the sound of changing rotation speed. By reducing the sound volume when mowing around the ears, a comfortable usage condition with less harshness can be obtained, and it also has the advantage of reducing camera shake due to unnecessary vibration and making it easier to perform plow mowing, etc., which requires a sense of precision.

[Brief explanation of the drawing]

FIG. 1 is an external perspective view showing an embodiment of the electric hair clipper according to the present invention, FIG. 2 is a plan view showing the inside,
FIG. 3 is a partially cutaway side view, FIG. 4 is a perspective view of the cutting method with the cutting adjustment attachment attached, and FIG. 5 is an electrical circuit diagram. FIG. 6 is a side view showing another embodiment of the electric hair clipper according to the present invention. 7th
The figure shows another embodiment of the electric circuit. 1...Body case, 4...Motor, 6...Mowing adjustment attachment, 9...Fixed blade, 11...
Movable blade, 18...Power changeover switch.

Claims (1)

[Claims] 1 A fixed blade 9, a movable blade 11 that makes sliding contact with the fixed blade 9, a motor 4 that drives the movable blade 11, a detachable cutting method adjustment attachment 6, and a motor 4
The power changeover switch 18 is equipped with a power changeover switch 18 that can change the power of the cutting tool in several stages, and the power changeover switch 18 is configured to change the power corresponding to the lightness and weight of the load on the attachment 6 in conjunction with the operation of attaching the cutting method adjustment attachment 6. An electric hair clipper with one feature.