JPS6245649Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a reciprocating electric shaver with a circular planar shape, and relates to an opening/closing structure for the battery cover for removing the battery arranged inside the main body case. be.

(b) Prior Art Conventional reciprocating electric shavers mainly have a rectangular parallelepiped-shaped outer shell, and especially in those that removably store dry batteries etc. inside, the outer shell is attached to the bottom, side, or back of the main body case. A battery cover is provided as a part of the main body case and is slidable vertically or parallel to the main body case. In the case where the battery cover is provided on the middle back side, the thickness of the main body case becomes larger due to the provision of the sliding guide mechanism for the battery cover.

By the way, in a reciprocating electric shaver having a main body case with a planar round shape, it is impossible to provide a battery cover on the back side due to the above-mentioned problems, so it is necessary to provide a battery cover on the outer periphery. In particular, in cases where the main body case is made as small as possible, the internal battery is arranged diagonally to the shaving section, and even if you try to rotate the battery cover along the outer periphery of the main case, It is very easy for the bottom end of the battery to get caught and not be removed properly.

(c) Purpose of the invention The present invention has been made in view of the problems of the prior art as described above, and provides a battery cover suitable for removing batteries stored diagonally in a reciprocating electric shaver with a flat round shape. The purpose of this invention is to provide an attachment/detachment structure.

(d) Structure of the device A part of the outer periphery of the main body case made of synthetic resin, which has a round plane shape, is cut out to form a shaving section consisting of an outer blade, an inner cutter, etc., and the shaving section is made to be able to be opened and closed freely. In an electric shaver equipped with a fan-shaped cap body that rotates along the outer periphery of a main body case, a battery serving as a power source is detachably housed inside the main body case and diagonally with respect to the shaving part. A battery cover covering an opening for taking out the battery is provided so as to be slidable in a substantially tangential direction to the outer periphery of the main body case.

(E) Embodiment An embodiment of a reciprocating electric shaver, which has a shaving section consisting of an outer cutter, an inner cutter, etc., and its driving member housed in a main body case having a planar round shape will be described in detail below in accordance with the drawings. explain.

Reference numeral 1 denotes a two-part main body case made of synthetic resin and having a generally planar round shape. This body case 1 has a diagonal half-moon portion covered by a half-moon-shaped decorative cover 2, and a battery cover 3 is cut out at the bottom of the decorative cover 2 for inserting and removing dry batteries, which will be described later, to connect batteries in series. A lead plate D4 is attached thereto, and is provided so as to be slidable and removable along the inner surface of the decorative cover 2 and in a substantially tangential direction (indicated by arrow E) with respect to the outer periphery of the main case 1. At the top of the main body case 1, approximately 1/
A shaving section 5 consisting of an outer cutter, an inner cutter, etc., which will be described later, is exposed by cutting out the four circles, and a fan-shaped cap body 6, which serves as a protection member for the shaving section 5, is slid along the outer periphery of the main body case 1. The circular pivot portion 7 of the cap body 6 is elastically fitted into the circular groove 8 of the main body case 1, and the circular pivot portion 7 is held between the inner surface of the decorative cover 2 to prevent it from coming off. It is prevented. Further, an elastic body 10 having a hollow portion 9 made of Diuracon is attached to the inner surface of the circular pivot portion 7, and a protrusion 11 is formed on the elastic body 10, and one of the circular grooves 8
An engagement recess 12 is formed inside to receive the protrusion 11 as appropriate, and the protrusion 11 and the engagement recess 12 constitute an articulation mechanism for the cap body 6. The hollow portion 9 is a means for imparting elasticity to the protrusion 11.

The shaving section 5 has an outer blade 13 made of stainless steel or nickel, on the surface of which a large number of hair introduction holes (not shown) are formed in a fixed arrangement using a press processing method or an electroforming method. and an outer cutter frame 15 made of aluminum die-cast or synthetic resin material, which locks the outer cutter 13 to the inner wall and is locked by locking claws 14, 14 formed on the upper part of the main body case 1; It is composed of an inner cutter body 16 that slides back and forth on the inner surface of the outer cutter 13 at a constant cycle.

A driving motor 17 is disposed on one side inside the main body case 1, and a dry battery (not shown) is disposed diagonally adjacent to the motor 17.
The dry battery has ribs 1 formed diagonally.
8 and 19, positioning of both sides is achieved, and a contact holding part 20 is provided at the upper end of one rib 18, and one end 21a of the lead plate A21 is bent and stored in the holding part 20. The cathode of the dry battery is brought into contact with one end 21a. Also, lead plate A
The other end 21b of 21 is connected to the terminal 22 of the motor 17.
It is connected to the.

The terminal 23 of the motor 17 is connected to the lead plate B24.
is connected to one end 24a of. This lead plate B
The other end 24b of 24 is connected to a switch piece 25 provided on the other side of the main body case 1. and a lead plate C whose one end is in contact with the anode of the dry battery.
The other end 26a of the motor 26 and the switch piece 25 constitute a main switch for driving and controlling the motor 17.

The switch piece 25 is activated by protruding through a small hole 27 provided on the other side of the main body case 1, with its head 28a facing a recess 29 provided on one side of the decorative cover 2. This is a seesaw type switch actuating body 28 consisting of. The switch operating body 28
is formed with a locking boss 28b on one side and the head 28a on the other side, and a substantially central portion is formed with the main body case 1.
It is pivoted by a boss 30 on the inner surface, and is capable of seesaw movement using the boss 30 as a fulcrum. or,
The cap body 6 is provided with a convex portion 31 that fits into the concave portion 29 at appropriate times, and this convex portion 31 allows the switch operating body to swing freely.

The inner cutter 16 has a plurality of half-moon-shaped cutter blades 33 made of stainless steel embedded in a cutter stand 32 made of synthetic resin, and is fitted into an inner cutter stand 34 also made of synthetic resin. This inner cutter stand 34 has a vibrating rod 36 vertically disposed approximately at the center of a vibrating table 35 attached to the motor 17, and the vibrating rod 36 is inserted through a vibrating rod mounting circular hole 37 formed in the inner cutter stand 34. The upper end is inserted through and firmly fixed with a retaining ring 38.

The vibrating table 35 has a long hole 41 formed at one end into which an eccentric cam 40 fitted to the drive shaft 39 of the motor 17 is loosely fitted, and a thin leg piece 42 is integrally formed at the center of the back surface thereof. A motor holding plate 43 having a rectangular cutout in the center is formed at one end of this leg piece 42, and this holding plate 43 holds the motor 17.
is screwed onto the top surface of the The other end of the vibration table 35 has its lower surface connected to the rib A18 of the main body case 1.
The motor 17 is driven and the eccentric cam 40 converts rotational drive into reciprocating drive. Sliding auxiliary plate 44
With the help of, it reciprocates stably in the horizontal direction.

Engagement recesses 45, 45 are provided at the lower part of the outer cutter frame 15.
is provided. At the upper part of the main body case 1, the engaging claw bodies 14, 14 are attached to the spring 4 on both shoulders.
The outer cutter frame 15 is urged inward through springs 46 and 46, and can be removed by pulling the outer cutter frame 15 against the elasticity of the springs 46 and 46.

Reference numeral 47 denotes a locking pawl that holds the cap body 6 in a state covering the shaved portion 5 thereof, and a recess (not shown) for receiving the locking pawl 47 is formed on the inner surface of one of the cap bodies 6. . Therefore, when using this reciprocating electric shaver, the lock claw 4
7 is removed from the recess and the cap body 6 is made slidable with respect to the main body case 1, and then the cap body 6 is slid to expose the shaved portion 5 and at the same time remove the convex portion 31. The head 28
a inward, rotate the switch operating body 28, and bring the switch piece 25 into contact with the other end 26a of the lead plate C26, thereby closing the drive circuit leading from the battery to the motor 17. Then,
The inner cutter 16 is driven.

When removing the battery from the main body case, move the battery cover 3 in the direction of arrow E. At this time, the pressing force of the finger acts in the direction F to rotate the battery cover 3, but it is converted into a force in the direction F' by the guide protrusions 48, 48 provided on the battery cover 3, resulting in a force in the direction indicated by the arrow. The battery cover 3 moves in the E direction and can be removed from the opening 48'.

(f) Effects of the invention As explained above, the present invention includes cutting out a part of the flat round main body case to form a shaved part, and attaching a shaving part to the outer periphery of the main body case so that the shaved part can be opened and closed freely. In an electric shaver equipped with a cap body that rotates along the main body case, a battery serving as a power source is removably housed inside the main body case, and an opening for taking out the battery is formed on the outer periphery of the main body case. Since the battery cover covering the opening is slidably attached and detached approximately tangentially to the outer periphery of the main body case, the battery cover can be slid smoothly without getting caught on batteries stored diagonally. Therefore, there is no need to increase the size of the round main body case, and an extremely small round reciprocating electric shaver can be provided.

[Brief explanation of the drawing]

The drawings relate to a reciprocating electric shaver according to an embodiment of the present invention; FIG. 1 is a sectional view of one of its two-part main body case, FIG. 2 is a sectional view of the other main part, and FIG. Figure 4 is an exploded view of the main parts of Figure 2, Figure 5 is an exploded perspective view of the battery cover, Figure 6 is an exploded perspective view of the decorative cover and main body case, and Figure 7 is an exploded view of the main body case. It is an action explanatory diagram. 1...Body case, 5...Shaving part, 6...Cap body, 48'...Opening, 3...Battery cover.

Claims (1)

[Scope of utility model registration request] In an electric shaver, a shaving part is formed by cutting out a part of a main body case having a planar round shape, and a cap body is attached that rotates along the outer periphery of the main body case so that the shaving part can be opened and closed freely. A battery serving as a power source is removably housed diagonally inside the main body case, and an opening for taking out the battery is formed on the outer periphery of the main body case, and a battery lid covering the opening is provided on the main body case. A reciprocating electric shaver characterized in that it is provided so as to be slidably attached and detached approximately tangentially to the outer periphery.