JPS6234587A - Electric razor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electric shaver equipped with a main blade and a sharpening blade.

(Prior Art) An example of a conventional electric shaver is shown in FIGS. 12 and 13. In these figures, 1 is the razor body, 2 is the switch handle, 3 is the sharp blade, and 4 is the main blade. When the main blade 4 and the edge cutting blade 3 are both driven by protruding the blade 3, both the main blade 4 and the edge cutting blade 3 can be used.

However, as shown in Figure 13, this electric razor
When trying to trim the length of the beard with the sharpening blade 3, the main blade 4 is also driven, so the main blade 4 may end up shaving the beard, and the user may have to look in the mirror and try to trim the beard. In this case, as shown in Fig. 13, the cutting edge of the sharpening blade 3 is hidden by the main blade 4 and difficult to see, making it inconvenient when using the sharpening blade 3, and moreover, the main blade 4 hits the nose, causing discomfort. was there.

(Object of the Invention) The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide an electric razor with a sharpening blade that is easy to use.

(Structure of the Invention) In the present invention, when the edge cutting blade is protruded, the edge cutting edge is driven, and the main blade is moved to the side opposite to the side where the edge cutting edge is located with respect to the center of the main body. This is an electric shaver configured to be tilted.

According to this configuration, since the main blade is tilted rearward during edge cutting, the main blade does not hit the user's face and become difficult to use.

(Example) A first example in which the present invention is implemented in a reciprocating electric shaver is shown in the first example.
This will be explained with reference to FIGS. This reciprocating electric razor includes a razor body 5, a blade mount 6, a main blade 7, and a sharpening blade 8.
It consists of a switch handle 9, etc., and a razor body 5.
is formed by fitting two housings 10.11 together. A switch handle 9 is engaged with a hook 9a on the front surface of the housing 10, and is interlocked with a built-in switch lever 12 via its locking portion 12a.

The protrusion 12b of this switch lever 12 is the blade mounting base 6 described later.
The pushing part 12c of the switch lever 12 is connected to the edge cutting blade drive lever 13 when the edge cutting blade is operated. Furthermore, housing 10
Rotating shafts 8a on both sides of the sharpening blade 8 are rotatably attached to the upper part of the switch handle 9 on the front side of the switch, and a groove 8b is formed in the base of the sharpening blade 8, so that the main body 5 can be freely rotated. The bottle 13 at the tip of the grinding blade drive lever 13 attached to the
a to fully fit 8b, the rear end of the edge-sliding blade drive lever 13 faces above the pushing part 12c of the switch lever 12, and the edge-sliding blade return spring 13b is attached to the edge-sliding blade drive lever 13. is provided to urge the edge blade 8 into a laid down position.

The blade mount 6 has an insertion hole 6b formed in the center thereof, and spring-supported lock pins 6C protrude from both end faces thereof, and support pieces 6d hang below both ends.

This support piece 6d has a doglegged groove 6a having an opening at its lower edge.
is formed. Also, rotating parts 6 are provided at both ends of the blade mount 6.
e is formed, and this rotating part 6e is the housing io, ii
It is fitted into the receiving portions 10a and 11a and is rotatably attached.

The main blade part 7 consists of an outer cutter 7a, an outer cutter frame 7b to which the outer cutter 7a is attached, and an inner cutter 7C.
The outer cutter frame 7b is attached to the blade mount 6 by fitting into the drive bush 14a and engaging the outer cutter frame 7b with the lock bin 6G. Further, the rotational motion of the motor 15, which is the drive source, is transmitted through the eccentric balancer 15a1 and the eccentric shaft 15b, and the eccentric shaft 15b fits into the elongated hole 14b of the driver 14, converting the rotational motion into reciprocating motion. There is. When the switch handle 9 is operated to swing the edge cutting blade drive lever 13 via the switch lever 12, the edge cutting blade driver 8C fits into the groove 14C of the driver 14, and the edge cutting blade 8 is rotated. drive. The driver 14 is fixed to the blade mount 6 by a mounting portion 14d, and is linked to the rotation of the blade mount 6.
is configured to do so.

3 and 4 show various operating states of this electric shaver. FIGS. 3(a) to (C) show the operating states of the switch lever 12 and the blade mount 6, and FIG. 4 shows the driving states of the motor 15, the main blade 7, the sharpening blade 8, etc. . Figure 3 (
a) is when the switch handle 9 is turned off and not in use.
is at the bottom. FIG. 3(b) shows a state in which the switch handle 9 is slightly raised to drive only the main blade. If the switch handle 9 is further raised from this state, the grinding blade 8 will protrude and the main blade will tilt backwards, resulting in the state shown in FIG. 3(C). FIG. 4(a) shows the off state and the operating state of the main blade, and FIG. 4(b) shows the operating state of the edge cutting blade 8.

As it works as described above, the main blade part 7 tilts backward when using the edge blade 8, so the main blade part 7 does not hit your face and make it difficult to use, and the edge of the edge blade 8 also has a mirror. The sharpening blade 8 can be operated while looking at it, and the ease of use of the sharpening blade 8 is improved.

Next, a second embodiment of the present invention will be described with reference to FIGS. 5 to 7.

In these figures, the same members as mentioned above are given the same reference numerals, and FIG. 5(a) shows the off state and the main blade usage state (in this figure, the switch handle 9 is in the off state), b
) indicates the usage status of the kiwazori blade 8. This sharp blade 8
In the operating condition, the main blade part 7 and the edge cutting blade 8 tilt to a position substantially perpendicular to the main body 5.

In addition, in this embodiment, the main blade does not operate when the main blade is used as shown in Figure 5(a), and the main blade does not operate when the main blade is used as shown in Figure 5(b). There is.

The main structure of this embodiment will be explained with reference to FIG.

The blade mount 6 has an insertion hole 6b formed in the center thereof, and lock pins 6C supported by springs protrude from both ends thereof and are fitted into the outer blade frame 7b. Furthermore, it is provided so as to be rotatable relative to the housing 10.11 by means of a side rotary portion 6e. Further, a sharp blade 8 is provided on the front surface of the blade mount 6, and a drive element 14 is fixed at the lower part by its mount 14d, so that it can rotate in conjunction with the blade mount 6. .

The drive element 14 has an elongated hole 14d with one side open, and a bush 14a to which the inner blade 7C is attached is connected to the blade mounting base 6.
It passes through the insertion hole 6b.

The shaft of the motor 15 has a radial balancer 15a and an eccentric shaft 15b.
is provided, and the eccentric shaft 15b engages with the elongated hole 14b of the driver 14 during main blade operation. In addition, the eccentric balancer 15a fits into the groove 16a of the sliding blade part moving rod 16, and the hole 16b
The diagonal grid alignment part 16G is reciprocated via a fixed shaft (not shown) that passes through it. This edge cutting grid matching portion 16C engages with the edge cutting blade driver 8C during edge cutting blade operation. It should be noted that when the blade is driven in a horizontal direction, the blade mount 6 tilts together with the drive element 14 to a position substantially perpendicular to when the main blade is driven. This +1! ! When using the cutting method, the user can switch between the main blade drive and the cutting blade drive by manually tilting the outer cutter frame 7b, blade mounting base 6, etc.

The operating state of the above embodiment will be explained with reference to FIG.

FIG. 7(a) shows the OFF state or the main blade operating state, in which the rotation of the motor 15 causes the eccentric shaft 15b of the drive element 14 to rotate.
Since the drive element 14 is engaged with the elongated hole 14b, the drive element 14 performs reciprocating motion. At this time, the sharpening blade part moving rod 16 is in the groove part 16.
a is slidably fitted to the outer periphery of the eccentric balancer 15a, and the edge-to-edge mesh portion 16C is reciprocating with the hole 16b as a fulcrum, but is not engaged with the edge-to-edge blade 8. Therefore, pu.

The inner cutter 7C inserted into the bush 14a reciprocates and the main cutter can be used.

When the blade mount 6 is tilted during sharp cutting operation, the drive element 1
4 is also M! lJ, the tilted eccentric shaft 15b comes out of the elongated hole 14b, the movement of the driver 14 stops, and the operation of the main blade stops. Also, the edge cutting blade 8 tilts together with the blade mounting base 6, and the edge cutting blade driver 8C is engaged with the edge cutting grid alignment part 16G, and the edge cutting blade is in the state shown in FIG. 7(b). 8 reciprocates, and the cutting edge 8 can be used.

In this manner, the main blade does not operate when the Giwazori blade 8 operates, so there is no problem of hair being cut by the main blade. In addition, by not operating the main blade, it is possible to prevent the main blade from being worn out.The load on the motor 15 is only to drive the sharp cutting blade 8, so the current of the motor 15 is reduced, and the life of the motor is extended. have an effect.

Next, a third embodiment of the present invention will be described with reference to FIGS. 8 to 11.

FIG. 8(a) shows the off state and the main blade use state. In this figure, the switch handle 9 is in the off state (H), and FIG. 8(b) shows the switch handle 9 in the off state. When the Kiwazoriten is in use, the main blade tilts from the main body, and the Kiwazori blade slides and protrudes after the main blade tilts. Therefore, the edge cutting blade is constructed so that it cannot be seen from the outside when the main blade is in use or in the off state as shown in FIG. 8(a).

The operating state of this embodiment will be explained with reference to FIG.

FIG. 9(a) shows the state in which the main blade is in use, and the switch handle 9 is locked to the housing 10 via the hook 9a and is fitted to the edge-to-edge blade base 8d, 8 slides in conjunction with the switch handle 9.

At this time, the sharpening blade 8 is located below the blade attachment 6 and is not exposed to the outside. When used for sharp cutting, the blade mount 6 rotates about the shaft 6e as a fulcrum as the blade base 8d slides due to the meshing of the gears 8e and 6f, and the opening 17 is exposed. , from which the sharpening blade 8 slides out in conjunction with the sliding direction of the switch handle 9. When the switch handle 9 is lowered, the blade mount 6 rotates due to the meshing of the gears 88 and 6f, and the grinding blade 8 is housed in the main body by the blade mount 6 when the main blade is in operation.

The main structure of this embodiment will be explained with reference to FIG.

The blade mount 6 has an insertion hole 6b formed in the center thereof, and lock pins 6C supported by springs are projected from both ends thereof and are fitted into the outer blade frame 7b. The driver 14 is the housing 1
0.11, and is connected to the inner cutter 7C and the drive bush 14a via the insertion hole 6b. The rotation of the motor 15 causes the driver 14 to reciprocate through the eccentric balancer 15a1 and the eccentric shaft 15b, which is fitted into the elongated hole 14b of the driver 14. Also, when the edge cutting blade protrudes, the edge edge driving element 8C on the back side of the edge cutting blade base 8d is configured to combine with the edge edge joining part 14c of the driver 14 to drive the edge edge blade 8. ing.

FIG. 11 shows the operating state of the main blade and the cutting blade of this embodiment. FIG. 11(a) shows the main blade operating state, and at this time, the rotation of the motor 15 causes the inner blade 7C to reciprocate through the elongated hole 14b. Furthermore, when the switch handle 9 is slid to project the edge blade 8 as shown in FIG. Then, the scraping blade 8 is driven.

According to the above embodiment, the edge cutting blade 8 is stored in the main body when the main blade is off or in use, making it convenient to carry, and the cutting edge of the edge cutting blade does not get in the way when the main blade is in use. The main blade is easy to use. When using the waving method, the main blade tilts and the waving blade 8 protrudes, so the waving blade 8 moves away from the main blade.
The main blade does not get in the way during sharpening, making the sharpening blade easy to use.

(Effects of the Invention) As described above, according to the present invention, the protrusion of the edge cutting blade and the inclination of the main blade are linked, and the main blade is inclined from the center of the main body to the side opposite to the edge cutting edge, and The sharpening blade is driven when the sharpening blade is protruded, so the main blade does not hit your face and make it difficult to use when sharpening. This makes it easy to operate the sharp edge blade, making it easy to use.

[Brief explanation of the drawing]

Fig. 1 is an external view of an electric shaver showing a first embodiment of the present invention, Fig. 2 is an exploded perspective view of the same embodiment, and Fig. 3(a) (
b) (c) is an explanatory diagram showing the operation of the electric shaver in the same embodiment, and Fig. 4 (a) and (b) are explanatory diagrams showing the driving state of the motor, the main blade, and the sharpening blade in the same embodiment. ,
FIGS. 5(a) and (b) are external views of an electric shaver according to a second embodiment of the present invention, FIG. 6 is an exploded perspective view of essential parts of the same embodiment, and FIGS. 7(a) and (b) are the same. FIGS. 8(a) and 8(b) are explanatory diagrams showing the operating state of the electric shaver according to the embodiment, and FIG. 9(b) is an external view of the electric shaver according to the third embodiment of the present invention.
a) (b) is an explanatory diagram showing the operation in the same embodiment, Fig. 10 is an exploded perspective view of the main part in the same embodiment, and Fig. 11 shows the operating state of the main blade and edge blade in the same embodiment. Explanatory drawings, Figures 12(a), (b), and (c) show a front view, a side view, and a side view of a conventional electric shaver when the sharp blades are protruding, and Figure 13 shows the state in which the conventional electric shaver is used. It is an explanatory diagram. 5... Razor body, 7... Main blade part, 8... Sharpening blade, 6... Blade mounting base, 6e... Rotating part, 8C.
... Edge blade drive element, 8a... Rotation shaft, 9... Switch handle, 13... Edge blade drive lever, 1
4...driver, 15...motor. Patent applicant Matsushita Electric Works Co., Ltd. Figure 1 Figure 3 (a) Figure 3 (b) (C) Figure 4 (a) ([)) r Figure 5 (a) (b) Figure 6 Figure 7 Figures (a) (b) Figure 9 Figure 11 (a) (b) Figure 12 (a) (b) (C)

Claims (1)

[Scope of Claims] 1. An electric shaver in which the protrusion of the razor blade and the inclination of the main blade are tiltably supported in an interlocking relationship with each other,
When the sharpening blade is projected, the sharpening blade is linked to the drive element, and the main blade is tilted to the opposite side to the side where the sharpening blade is located with respect to the center of the main body. An electric razor characterized by comprising: 2. The electric shaver according to claim 1, characterized in that the connection between the main blade, the sharpening blade, and the driver is switched in conjunction with the tilting of the sharpening blade and the main blade. . 3. The electric shaver according to claim 1, wherein the main blade is configured to be tiltable to a position substantially perpendicular to the main body. 4. The electricity according to claim 1, characterized in that by tilting the main blade, the protruding outlet of the edge cutting blade opens, and the edge cutting edge projects in the longitudinal direction of the main body. Razor.