JPS6036226Y2 - Operating device in electric shaver - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an operating device for an electric shaver, and more particularly to a structure for locking the operation of an operating body such as a switch.

[Technical background of the invention and its problems] In the conventional electric shaver of this type, the switch operating mechanism engages a locking part of an actuating plate that is linked to the operating body with a locking groove formed in the case body to operate the operating body. and lock the actuating plate,
The structure was designed to prevent the electric shaver from being driven accidentally.

In this conventional device, the actuating plate and the lock actuating part are integrally formed in a single plate shape, so when the lock actuating part is elastically deformed and removed from the engagement groove, deforming force is applied to the entire actuating plate. Because the displacement force also acts on the switch mechanism,
The operation force for the actuating plate must be increased, and there is also the disadvantage that the actuating plate etc. may become loose.

[Purpose of invention]

The present invention was developed in view of the above-mentioned drawbacks, and is designed to prevent the elastic deformation force from being applied to the actuating plate when the lock actuating part is disengaged from the locking groove, so as not to cause any trouble to the waist switch mechanism, etc. The present invention provides an operating device for an electric shaver that also has good operability.

[Summary of the idea]

In the present invention, by pressing the knob that is engaged with the retaining hole of the operating body provided on the outer surface of the case body, the locking part provided on the operating plate via the elastic leg is engaged with the case body. It is designed so that it can be removed from the stop groove so that no deforming force is applied to the actuating plate due to the displacement of the lock actuating part.

[Example of idea]

Next, the configuration of an embodiment of the present invention will be explained with reference to the drawings.

Reference numeral 1 denotes a case body, which is constructed by joining a pair of case members 2 and 3. Inside this case body 1, a drive mechanism (not shown) such as an electric motor and an electromagnet is provided.

A drive shaft of this drive mechanism is configured to protrude from an insertion hole 4 formed in the upper surface of the case body 1.

Further, an edge blade installation part 5 is formed in the upper part of one case member 2 of this case body 1, and this edge blade installation part 5
Shaft portions 8 formed on both sides of the sharp blade body 7 are rotatably attached to shaft holes 6 formed on both sides.

Further, a shaft portion 11 formed at the tip of a push lever 10 is rotatably engaged with a shaft hole 9 formed on one side of the sharply shaving blade 7, and the base of the push lever 10 is attached vertically to the case body 1. It is provided integrally with a knob 12 that is provided movably in the direction.

Further, a rectangular projecting frame part 13 is formed on the upper part of the one case member 2, and vertical guide holes 14.14 are formed on both sides of this projecting frame part 13, and inside the guide hole 14.14. Ribs 15.15 are positioned and protrude parallel to each other, and a rectangular opening 16 is formed between the ribs 15,15.

Locks 117 , 17 are formed at intermediate portions on both sides of this opening 16 so as to be continuous with this frontage 16 .

Next, reference numeral 18 denotes an operating body formed in a plate shape, and a projecting edge 19 on the inner surface of the projecting frame portion 13 of the one case member 2 is slidably engaged with the projecting frame portion 13 in the vertical direction. is formed, and a horizontal engagement hole 20 is formed in the center.

Furthermore, the inner surface of this operating body 18 has the guide holes 14 and 14.
The guide protrusions 21, 21 and the opening 16 are slidably engaged with each other.
A cylindrical protrusion 22 is formed to be inserted into the cylindrical part.

Further, fixing bosses 23, 23, and 24 are protruded from the tips of the guide ridges 21, 21 and the protrusion 22, respectively.

Next, 25 is an actuating plate molded from synthetic resin, and this actuating plate 25 has bosses 23, 23, 2 for fixing the operating body 18.
Mounting holes 26, 26, and 27 for fitting and fixing the case member 2, respectively, are formed, and the guide holes 14, 14 of the case member 2 and the opening 1
The guide protrusions 21, 21 and protrusion 22 of the operating body 18 disposed on the outer surface of the case member 2 are inserted into the fixing boss 23.
, 23, 24 are inserted and fixed into the mounting holes 26, 26, 27 of the actuating plate 25, and the actuating plate 25 and the operating body 18 are provided so as to be movable vertically with the case member 2 in between.

Further, the actuation plate 25 is provided with a switch mechanism (not shown), and when the actuation plate 25 is raised, the switch mechanism is closed and the power supply circuit of the drive mechanism is closed.

Furthermore, by raising the actuating plate 25 one step, the drive shaft is linked to the drive mechanism and the inner blade body is operated, and by raising the actuating plate 25 two steps, the drive mechanism is moved to move the inner blade body. 7 are interlocked, and the actuating plate 25 pushes the push lever 10, and the edge cutting blade body 7 is rotated so that it is projected outward from the edge cutting blade mounting portion 5 of the case body 1. ing.

Note that the push lever 10 is activated by the spring 2 when the actuating plate 25 is lowered.
8, the edge cutting blade body 7 rotates back and is housed in the edge cutting blade installation portion 5.

Furthermore, a lock actuating part 30 is formed at the upper part of the elastic legs 29 and 29 that protrude upward from the vicinity of both sides of the mounting hole 27 in the center of the actuating plate 25, and this lock actuating part 30 is connected to the case member 2. The opening 16 and the locking groove 17 are engaged with each other.

A knob 31 is horizontally protruded from the outer surface of the lock operating part 30, and the knob 31 has a length that is movable in the vertical direction through the opening 16 and is movable in and out of the engagement hole 20 of the operating body 18. It is designed to be engaged.

Also, elastic engagement legs 3 are provided on both sides of the actuating plate 25.
2.32 is provided protrudingly.

Further, on both sides of the inner surface of the one case member 2, there are articulated protrusions 33 and 34 on which the engaging legs 32 and 32 engage and disengage.
A plurality of protrusions are provided at intervals in the vertical direction of 8.

Next, the operation of this embodiment will be explained.

The knob 31 of the lock operating portion 30 of the operating plate 25 projects from the engagement hole 20 of the operating body 18 as shown in FIG. 4a.
When pushed, the lock actuating part 30 moves inward due to the elastic deformation of the elastic leg part 29, as shown in FIG. 4, and the case member 2
The lock operating part 30 is removed from the locking groove 17, and in this state, when the operating body 18 is pushed upward as shown in FIG. 4C,
Since the knob 31 is engaged with the engagement hole 20, the operating body 1
8 is moved upward, and the actuating plate 25 is also moved upward.

As the actuating plate 25 moves upward, the engaging legs 29, 29 of the actuating plate 25 first climb over the moderating projection 33 at the front stage and come into contact with the moderating protrusion 34 at the rear stage, and with that moderating feeling, the engaging legs 29, 29 of the operating plate 25
1 step], you can get a feeling that it has changed.

By moving the operating plate 25 in one step, the power supply circuit of the drive mechanism is closed, the drive shaft is operated, the inner blade is operated, and normal shaving can be performed.

Further, when the operating body 18 is further pushed upward in order to perform a sharp slide, the lock actuating portion 30 is disengaged from the locking groove 17 and comes into contact with the inner surface of the case member 2, so the actuating plate 25 also moves upward. However, the engaging leg portion 32 passes over the moderation projection 34 at the rear stage.

In this state, the actuating plate 25 keeps the power supply circuit of the drive mechanism closed, and the actuating plate 25 also pushes the push lever 10, and the edge cutting blade 7 is rotated and interlocked with the drive shaft. You can get upset if you are being treated like that.

Furthermore, when the operating body 18 is lowered, the operating plate 25 is also lowered,
The engagement leg portion 32 is brought into contact with the moderation projection 33 at the front stage.

In this state, the actuating plate 25 releases the pressure on the push lever 19, so the push lever 10 is lowered by the spring 28, and the edge cutting blade body 7 rotates back to the edge cutting blade housing 5 of the case body 1. Once it is stored, the inner blade is driven by the drive mechanism and becomes ready for normal shaving.

Further, when the operating body 18 is lowered in this state, the operating plate 2
5 similarly descends, and when the engaging leg 32 of the actuating plate 25 passes over the moderation protrusion 33 of the previous stage, the lock operating part 30 reaches the position of the locking groove 17 of the case member 2, and the elastic leg 29 of the elastic leg 29 is energized by.

The lock operating portion 30 engages with the locking groove 17 as shown in FIG. 4a, and the operating body 18 is locked and cannot be moved upward unless the knob 31 is pushed.

When the actuating plate 25 is lowered, the power supply circuit of the drive mechanism is opened and the drive mechanism is stopped.

When cleaning the cutting blade 7, the cutting blade 7 is rotated by operating the knob 12 to expose it to the outside of the case body 1.

At this time, since the actuating plate 25 is in the lowered state, the power supply circuit of the drive mechanism remains open and the drive mechanism is stopped.

[Effect of idea]

According to the present invention, the locking part that engages with the locking groove of the case body to lock the movement of the actuating plate is integrally formed with the actuating plate using the elastic legs, so that the locking part when the lock is released is No elastic deformation force is applied to the actuating plate, and the operation of the actuating plate does not become heavy or deformed, or rattling occurs at the connection part with the operating body, and the operation of the actuating plate such as switch operation is possible. It can be done smoothly.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a case body of an electric shaver showing an embodiment of the present invention, Fig. 2 is a perspective view of one case member of the same, Fig. 3 is an exploded perspective view of the same, Fig. 4 a, b, c. FIG. 2 is a cross-sectional view showing the operation of the locking mechanism section. 1... Case body, 17... Locking groove, 1
8... Operating body, 20... Engagement hole, 25
..... Actuation plate, 29 ..... Elastic legs, 30
・・・・・・Lock operation part.

Claims (1)

[Scope of utility model registration request] A lock actuating portion formed on the actuating plate, comprising a case body, an operating body movably provided along the outer surface of the case body, and an actuating plate movably provided inside the case body. a knob is formed in the case body, a locking groove is formed in the opening formed in the case body to releasably engage the lock operating part, and the lock operating part is freely moved forward and backward into the engagement hole of the operating body. An operating device for an electric shaver, wherein the lock operating portion is integrally formed with the operating plate via an elastic leg portion.