JPH07204367A - Electric razor - Google Patents

Abstract

PURPOSE:To obtain an electric razor which enables shaving of a surface to be shaved thoroughly little moving hands. CONSTITUTION:In an electric razor A which has a shaving blade 11 comprising an inner blade 23 and an outer blade 22 mounted on an upper part of the body 10 of a razor while including an electric motor 14 for rotating or vibrating the inner blade 23 with respect to the outer blade 22, the shaving blade 11 is mounted along the external surface of the razor body 10 free to move vertically and horizontally.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric shaving device capable of shaving a shaving surface evenly without moving a hand.

[0002]

2. Description of the Related Art Conventionally, an electric shaver has, as its basic form, a shaving blade consisting of an inner blade and an outer blade mounted on the upper portion of a shaving body, and the inner blade rotating or vibrating with respect to the outer blade. The electric motor is built into the shaving device body.

In use, the operation switch is turned on to drive the electric motor to rotate or vibrate the inner blade, and then the shaving blade is brought into contact with the shaving surface on the face, and along the shaving surface, Shaving is performed by moving the entire electric shaver up and down and / or left and right.

[0004]

However, the conventional electric shaving apparatus described above still has the following problems to be solved.

That is, in order to completely shave the beard on the shaving surface by using an electric shave, the entire electric shaving device must be reciprocated up and down and / or left and right many times, and when busy in the early morning etc. , Shaving was annoying.

Since the electric shaver has a built-in electric motor, a charger, a dry battery, etc., it has a certain weight, and for persons with physical disabilities, the electric shaver is moved up and down. And / or the action of reciprocating left and right many times was also painful.

An object of the present invention is to provide an electric shaver capable of solving the above problems.

[0008]

DISCLOSURE OF THE INVENTION The present invention provides an electric motor for mounting a shaving blade consisting of an inner blade and an outer blade on an upper portion of a shaving apparatus main body and rotating or vibrating the inner blade with respect to the outer blade. An electric shaving apparatus comprising: an electric shaving apparatus, wherein a shaving blade is attached along an outer surface of a shaving apparatus main body so as to be movable in a vertical direction and / or a horizontal direction.

The present invention is also characterized in that the electric shaving apparatus having the above-mentioned configuration is further characterized in that the shaving blade is moved along the outer surface of the shaving apparatus body integrally with the electric motor. It is equipped with a moving means.

At least the shaving blade is linearly reciprocally movable along the outer surface of the shaving device body.

At least the shaving blade is movable in a loop along the outer surface of the shaving device body.

[0012]

The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings.

(Embodiment 1) As shown in FIGS. 1 to 4, this embodiment is a case where the electric shaving apparatus A includes a rotary shaving blade.

As shown in FIGS. 1 to 4, a shaving machine body 10 having a vertically elongated rectangular box-like body has a shaving blade 11 mounted on the front upper portion thereof, and inside thereof, from bottom to top. , The secondary induction coil 12, and the same coil 12 in order
The rechargeable battery 13 charged by the rechargeable battery 13, the electric motor 14 that is driven by the rechargeable battery 13 and operates the shaving blade 11, and the shaving blade 11 and the electric motor 14 that are integrated in the vertical direction. It has a built-in reciprocating movement device 15 that reciprocates.

In the above structure, the structure of the shaving blade 11 and the electric motor 14 for operating the shaving blade 11 will be described first.

As shown in FIG. 1, the shaving device body 10 comprises:
At the top of the front wall, an oval-shaped opening 20 that extends vertically
The opening 20 is covered with a flexible inner protective cover 21 slidably attached along the inner surface of the upper front wall of the shaving apparatus main body 10.

In FIG. 1, 21a and 21b are slide guide pieces for guiding the vertical slide of the internal protective cover 21.

Then, on the surface of the internal protective cover 21,
An outer blade 22 constituting one side member of the shaving blade 11 is fixedly mounted, and the outer blade 22 is composed of a net-like car body 22a and a holding plate 22b for holding the car body 22a.

On the other hand, an inner blade 23, which constitutes the other member of the shaving blade 11, is rotatably disposed inside the outer blade 22.

An electric motor 14 is arranged in the upper space of the shaving apparatus body 10 so as to be vertically reciprocable,
The output shaft 24 of the electric motor 14 is inserted through a shaft insertion hole provided in the inner protective cover 21 and protrudes to the outside, and the above-mentioned inner blade 23 is integrally fixedly connected to the protruding end.

With this structure, the inner blade 23 can be rotated relative to the outer blade 22 by driving the electric motor 14, and shaving is possible.

On the other hand, when the electric motor 14 is reciprocated in the vertical direction by the reciprocating device 15 described below, the shaving blade 11 is operated while the shaving blade 11 is also reciprocally moved in the vertical direction. You can

As the reciprocating movement device 15, various forms are conceivable, but in this embodiment, FIGS.
A Napier screw shaft 30 is used as shown in FIG.

That is, as shown in FIG.
Inside the 10, a navia screw shaft 30 is arranged in parallel with the opening 21 of the shaving device main body 10, and the navia screw shaft 30 is provided.
Has its lower end connected to the output shaft of an electric motor 31 incorporating a speed reducer such as a planetary gear mechanism, and has its upper end rotatably supported by a bearing 32.

On the other hand, a reciprocating bracket 33 is screwed into the threaded portion 30a of the navia screw shaft 30.
33 is fixed to the back surface of the electric motor 14 for operating the shaving blade 11.

Further, as shown in FIGS. 1 and 2, reciprocating guide rails 34 are attached to the inner surfaces of both side walls of the shaving apparatus main body 10, and the electric motor 14 of the electric motor 14 is installed in the rails 34. Reciprocating guide pieces 35 integrally formed on both sides are slidably fitted.

1 and 2, reference numerals 36 and 37 denote mounting brackets for mounting the electric motor 14 on the inner surface of the shaving apparatus main body 10.

The other structure of the electric shaver A in the illustrated embodiment will be described. 38 is a conducting wire,
Same conducting wire 38, reciprocating guide rail 34 and reciprocating sliding guide piece 35
Via the conducting wire connecting the slip conductors respectively attached to the slip conductors and the drive circuit of the electric motor 14,
It is possible to reliably energize the electric motor 14 from the secondary battery 13.

Although not shown, the secondary battery 13 is also energized to the electric motor 31 through the energizing wire.

Further, as shown in FIGS. 3 and 4, the shaving device main body 10 has an electric motor 14 on the lower surface of the front wall thereof.
An operation switch 40 for turning on and off and a reciprocating switch 41 for turning on and off the electric motor 31 are provided.

Next, the operation of the electric shaver A having the above structure will be briefly described.

First, when the operation switch 40 is pressed, the electric motor 14 is operated and the shaving blade 11 is operated. Next, apply the shaving blade 11 to the shaving surface, and then move the reciprocating switch 41
When is pressed, the electric motor 31 is actuated, and in conjunction with the actuation, the reciprocating device 15 having the navia screw shaft 30 is actuated.
The shaving blade 14 and the shaving blade 11 are integrally reciprocated in the vertical direction along the shaving surface.

Therefore, as shown in FIG. 5, the user of the electric shaving apparatus A once sets the shaving blade on the shaving surface S.
After hitting 11, the shaving blade can be moved along the shaving surface without moving the electric shaver A up and down with your hands.
11 can be automatically reciprocated.

Therefore, the user can shave lightly even when he is busy such as in the early morning.

Further, since the shaving blade 11 only has to be applied to the shaving surface, even a physically handicapped person or the like can perform sufficient shaving without feeling any inconvenience.

At this time, since the electric motor 31 incorporates a speed reducer such as a planetary gear mechanism, the shaving blade 11 can be gently reciprocated, and shaving can be performed safely. Further, although not shown, by attaching a volume to the front surface of the shaving device main body 10, the reciprocating speed of the shaving blade 11 can be adjusted, and the usability for the user can be improved.

In the above embodiment, the shaving blade 11
Is capable of reciprocating in the vertical direction, but the head of the shaving apparatus main body 10 is extended to the left and right to form a T-shaped overall shape, and the shaving blade 11 can be reciprocated in the left and right directions on the same head. You can also do it.

Further, the reciprocating device 15 is not limited to the above-mentioned structure. For example, limit switches are arranged at both ends of a normal screw shaft, and both ends of the reciprocating bracket 33 kick the limit switch. Alternatively, the reciprocating bracket 33 may be reciprocated and the shaving blade 11 may be reciprocated by reversing the rotation direction of the electric motor 31.

(Embodiment 2) In this embodiment, as shown in FIGS. 6 to 8, the rotary shaving blade in Embodiment 1 described above is used.
It is characterized in that a vibrating shaving blade 43 is used in place of 11, and an electric motor 44 made of a vibration motor is used instead of the electric motor 14 made of a rotary motor. That is, in the present embodiment, the shaving blade 11 has a large number of semi-circular inner blades 45 that vibrate in the left-right direction, and a semi-cylindrical outer blade 46 having a semi-circular hollow cross section made of a net surrounding the inner blades 45. The shaving can be performed by vibrating the inner blade 45 relative to the outer blade 46.

The other configurations are described in the first embodiment.
Since the configuration is the same as, the same reference numerals are shown.

Also in the case of the present embodiment, since the shaving blade 11 merely has to be applied to the shaving surface, even a physically handicapped person or the like can perform sufficient shaving without feeling any inconvenience.

(Embodiment 3) In this embodiment, a shaving blade 11 is used.
Is characterized in that it is configured to be movable while drawing a loop-shaped locus rather than being linearly moved as in the first and second embodiments described above.

As shown in FIGS. 9 to 11, the shaving device main body
The 10 has a vertically elongated rectangular frame 50 with guide grooves fixedly mounted on the upper part thereof, and a horizontally elongated rectangular frame 51 with guide grooves is vertically slidably mounted in the fixed frame 50. Has been.

A motor mounting machine frame 52 is mounted in the rectangular frame 51 so as to be slidable in the left-right direction.

On the motor mounting machine frame 52, an electric motor 53, which is a rotary motor having a speed reducing mechanism such as a planetary gear mechanism built therein, is attached to the rear portion.

The electric motor 53 has a front output shaft,
The same shaving blade 11 as that of the first embodiment is fixed, and the pinion gear 54 is attached to the rear output shaft that is connected to the front output shaft via the speed reduction mechanism and the clutch mechanism. The pinion gear 54 is attached via the mounting base 55. And meshes with a vertically elongated oval fixed gear 56 fixed to the inner surface of the rear wall of the shaving device body 10.

As shown in FIG. 10, the upper and lower inner surfaces of the vertically long rectangular guide groove frame 50 and the horizontally long rectangular guide groove frame are provided.
The leaf springs 5 for biasing the pinion gear 54 toward the fixed gear 56 and ensuring the meshing are provided on the inner surfaces of the left and right sides of 51, respectively.
7,58,59,60 are installed.

With this configuration, the on / off switch
When the electric motor 53 is driven by operating 57, the clutch mechanism is in the released state, so that only the front output shaft is rotated and only the shaving blade 11 can be operated.

Further, when the movement switch 58 is operated, the clutch mechanism is operated so that the front output shaft is connected to the input side of the reduction mechanism of the rear output shaft, and the pinion gear 54 is rotated.
Due to this rotation, the pinion gear 54 moves around the outer circumference of the fixed gear 56 and draws a loop.
The electric motor 53 and the shaving blade 11 which are integrated with the unit 54 also integrally form a loop.

Therefore, as compared with the case where the shaving blade 11 is linearly moved back and forth, the shaving surface is further moved over a wide range, so that the shaving can be performed more effectively and the physically handicapped person, etc. The usability of can be improved.

The configuration of the electric shaving apparatus A according to the present embodiment is the same as the configuration of the electric shaving apparatus A according to the first embodiment except for the above-described configuration, and therefore, the same reference numerals are used.

(Embodiment 4) As shown in FIG. 12, this embodiment is characterized in that the shaving blade 11 is movable in the vertical direction and is bendable in the front-rear direction and the left-right direction.

That is, in the present embodiment, the shaving device main body
The reference numeral 10 is composed of a lower casing 60 and an upper casing 61 formed separately from the lower casing 60.

The rotation motor 62 with a built-in speed reduction mechanism disposed in the upper portion of the lower casing 60 has a wheel gear 64 attached to its output shaft 63. The wheel gear 64 extends in the vertical direction along the inner surface of the lower casing 60, and both ends thereof are meshed with a pinion gear 68 fixed to the lower end of a navigating screw shaft 67 rotatably supported by bearings 65, 66. .

Further, a lifting bracket 69 is attached to the navia screw shaft 67.
One end of the bracket 69 is screwed, and the other end of the bracket 69 is
The side wall of the shaving blade lifting block 70 is fixedly connected.

The lifting operation of the shaving blade lifting block 70 is guided by the lifting guide piece 71.

At the upper end of the shaving blade raising / lowering block 70, a shaving blade supporting column 72 made of a spiral metal tube or the like which is bendable in the front-rear, left-right directions and has elasticity is projected. An upper casing 61 is fixedly connected to the upper end.

On the other hand, in the upper casing 61, the first embodiment
A shaving blade 11 having the same structure as the above and a rotation motor 73 are provided. The rotation motor 73 is a mounting bracket.
It is attached to the inner surface of the upper casing 61 via 74.

With the above structure, the shaving blade 11 is integrated with the upper casing 61 by the rotation of the rotation motor 62.
Since the upper casing 61 can be elastically bent in the front-rear, left-right direction with respect to the lower casing 60, the shaving blade 11 can be smoothly moved even with a curved shaving surface extending from the neck to the jaw. Will be able to move.

In FIG. 12, 75 is a lower casing.
It is a bellows type protective cover that connects the 60 and the upper casing 61.

[0061]

As described above, according to the present invention,
In the electric shaver, a shaving blade is attached along the outer surface of the shaving body so as to be movable in the vertical direction and / or the lateral direction.

Therefore, since it is possible to shave the shaving surface over a wide range simply by applying the shaving blade to the shaving surface, it is possible to perform the shaving in a short time without feeling any trouble, and to be a physically handicapped person. However, it is possible to shave sufficiently without feeling any inconvenience.

In particular, when the shaving blade is movable in a loop shape along the outer surface of the shaving device main body, the shaving surface of each shaving surface can be remarkably enlarged, and the above shaving effect can be further enhanced. Can be improved.

[Brief description of drawings]

FIG. 1 is a sectional side view of an electric shaver according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the electric shaver taken along line II in FIG.

FIG. 3 is a front view of the electric shaver.

FIG. 4 is a perspective view of the electric shaver.

FIG. 5 is an explanatory diagram of a shaving state by the electric shaver.

FIG. 6 is a sectional side view of an electric shaver according to a second embodiment.

7 is a sectional view of the electric shaver taken along line II-II in FIG.

FIG. 8 is a front view of the electric shaver.

FIG. 9 is a sectional side view of an electric shaver according to a third embodiment.

10 is a sectional view of the electric shaver taken along line III-III in FIG.

FIG. 11 is a front view of the electric shaver.

FIG. 12 is a sectional side view of an electric shaver according to a fourth embodiment.

[Explanation of symbols]

 A Electric shaving device 10 Shaving device body 11 Shaving blade 14 Electric motor 22 Outer blade 23 Inner blade

Claims (4)

[Claims] 1. An inner blade (23) (4) on the upper part of the shaving device main body (10).
5) and outer blades (22) (46) are attached to the shaving blades (11) (43), and the inner blades (23) (45) rotate or vibrate with respect to the outer blades (22) (46). In an electric shaving machine equipped with an electric motor (14) (44) (50), a shaving blade (11) (43) along the outer surface of the shaving machine body (10) in the vertical and / or horizontal direction An electric shaving device that is movably attached. 2. A shaving blade (11) (43) for an electric motor (14) (44)
The electric shaving apparatus according to claim 1, further comprising a moving unit that moves along the outer surface of the shaving apparatus main body (13) integrally with the (50). 3. The electric shaving device according to claim 1, wherein at least the shaving blades (11) (43) are linearly reciprocally movable along the outer surface of the shaving device main body (10). . 4. The electric shaving apparatus according to claim 1, wherein at least the shaving blades (11) (43) are movable in a loop shape along the outer surface of the shaving apparatus main body (10).