WO2013057870A1

WO2013057870A1 - Electric razor

Info

Publication number: WO2013057870A1
Application number: PCT/JP2012/005678
Authority: WO
Inventors: 浩司重田; 洋一高岡; 泰秀松岡; 山崎　正信
Original assignee: パナソニック株式会社
Priority date: 2011-10-21
Filing date: 2012-09-07
Publication date: 2013-04-25
Also published as: JP5903651B2; JP2013085869A

Abstract

An electric razor (1) is provided with: an outer blade frame (40) provided with an outer blade (51) having blade holes defined by bars; a frame mounting base (31) for allowing the outer blade frame (40) to be mounted thereto; an inner blade (54) disposed between the outer blade (51) and the mounting base (31) and cutting body hair, which is inserted in the blade holes, by moving relative to the outer blade (51); and an opening window (25) capable of discharging body hair accumulated on the top wall (37) of the frame mounting base (31), cleaning water, and the like. The opening window (25) is provided below the top wall section (37), and a groove (36) connecting to the opening window (25) is provided in an edge (37a) of the top wall (37).

Description

Electric razor

The present invention relates to electric razors.

Conventionally, an outer blade frame having an outer blade, a frame mount to which the outer blade frame can be attached, an inner blade disposed between the outer blade and the frame mount, and hairs deposited on the frame mount There is known an electric shaver having an open window capable of discharging wash water and the like (see, for example, Patent Document 1).

In this patent document 1, the outer blade frame is provided with a discharge port as an opening window and a washing water inlet, and the washing water introduced from the washing water inlet is discharged from both the blade hole of the outer blade and the discharge port. By doing this, body hair deposited on the frame mount can be removed.

Japanese Patent Application Laid-Open No. 59-11885

However, in the above-mentioned conventional electric shaver, it is arranged above the top wall portion of the frame mount regardless of the discharge port as the opening window and the washing water inlet.

Therefore, when cleaning is done and the electric razor is stored with the electric razor standing up so that the top wall faces upwards, the remaining wash water and body hair will be accumulated in the top wall, resulting in poor hygiene. There was a fear.

Therefore, an object of the present invention is to obtain an electric shaver capable of easily discharging wash water, body hair and the like left after washing through an opening window.

In order to achieve the above object, according to a first aspect of the present invention, there is provided an outer blade frame having an outer blade having a plurality of blade holes defined by bars, and a frame mount on which the outer blade frame can be attached. An inner blade which is disposed between the outer blade and the frame mount and cuts the hair inserted into the blade hole by moving relative to the outer blade, and a ceiling wall of the frame mount An electric shaver provided with an open window capable of discharging body hair and washing water deposited on the upper wall, and the open window is provided at the edge of the upper wall, while the open window is provided lower than the upper wall; A gist is that a groove communicating with the window is provided.

A second feature of the present invention is that a lid that covers the opening window so as to open and close is provided.

A third feature of the present invention is summarized as the lid portion is slidable downward, and the upper end portion of the lid portion is lower than the lower end portion of the groove portion.

The fourth feature is characterized in that the top wall is inclined with respect to the extending direction of the grip gripped by the user, and the groove is formed on the edge of the sloped lower end of the top wall. The gist of the provision is as follows.

According to a fifth feature of the present invention, the ceiling wall portion is provided with a recess communicating with the groove, and the recess extends to a position where the inner blade overlaps.

A sixth feature is summarized in that the concave portion includes an inclined surface which gradually spreads toward the top wall portion.

According to the electric razor of the present invention, the opening window is provided below the top wall portion of the frame mount, and the edge portion of the top wall portion is provided with the groove communicating with the opening window. Water, body hair and the like can be easily drained from the opening window. That is, when the electric razor is stored with the electric razor standing up so that the top wall portion faces upward after cleaning, it is possible to easily discharge the wash water, body hair and the like left through the opening through the groove. As a result, washing water and body hair and the like can be prevented from being accumulated in the top wall portion, and therefore, it can be made more clean.

FIG. 1 is a front view of an electric razor according to an embodiment of the present invention. FIG. 2 is a side view of the electric razor shown in FIG. FIG. 2 is a cross-sectional view taken along line AA of FIG. It is sectional drawing which expanded and showed the B section of the electric razor shown in FIG. It is the front view which removed the outer blade frame of the electric razor shown in FIG. It is the perspective view which expanded and showed the flame | frame mounting stand shown in FIG. FIG. 6 is a partial cross-sectional view at the same position as the line AA of FIG. 1 in the electric razor shown in FIG. 5; It is sectional drawing which expanded and showed the C section of the electric razor shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following, the head portion is disposed such that the direction in which the plurality of outer blades are juxtaposed is the front-rear direction X, the direction in which the outer blades extend is the left-right direction Y, and the outer blades face upward The vertical direction in the state where the electric razor is erected so that the top wall faces upward is described as the vertical direction Z. Moreover, the side in which the switch part of the electric shaver is provided is demonstrated as front-back direction X front.

The electric shaver 1 of this embodiment is provided with the grip part 2 which a user holds by hand, and the head part 3 supported by the grip part 2, as shown in FIG.

The grip portion 2 is provided with a grip portion main body 21 made of synthetic resin, and a push button switch portion 22 for turning on / off driving of a drive portion (not shown) is formed on the grip portion main body 21. .

In addition, contact terminals 23 are provided in a protruding manner at both ends of the grip portion body 21 in a front view of the electric razor 1 (a state where the electric razor 1 is viewed from the side where the switch portion 22 is provided). The contact terminal 23 is electrically connected to a not-shown rechargeable battery built in the grip portion body 21. Then, the electric razor 1 is placed upright on a charging stand (not shown), and charging can be performed by bringing the contact terminals 23 into contact with the contact portions of the charging stand.

Moreover, as shown in FIG. 2, the trimmer unit 4 is formed in the electric shaver 1 of this embodiment, and it is on the back side (opposite side of the surface in which the switch part 22 is formed) of the grip part main body 21. The trimmer handle 43 is mounted slidably in the vertical direction. The trimmer unit 4 may not be provided.

Then, the inner blade 54 disposed inside the outer blade 51 exposed to the upper side of the head portion 3 is moved relative to the outer blade 51 (reciprocally moves in the left-right direction Y), so that the inside of the blade hole of the outer blade 51 is moved. The outer hair 51 and the inner blade 54 cooperate to cut the hairs inserted in the upper and lower hairs.

Hereinafter, the configuration of the head unit 3 will be described.

As shown in FIGS. 1 and 6, the head unit 3 includes a head unit main body 30 attached to the grip unit main body 21 and an outer blade frame 40 detachably attached to the frame mount 31 of the head unit main body 30. And.

In the present embodiment, the frame mount 31 is provided with a main body cover 32 for closing the upper opening of the head main body 30, a waterproof rubber 33, and a rubber holding plate 34. , And the main body cover 32 is fixed to the head portion main body 30. At this time, the waterproof rubber 33 is held between the main body cover 32 and the rubber pressing plate 34, and an inner blade connected to a drive portion (not shown) disposed in the main body cover 32. The mounting portion 38 is in communication in a watertight manner.

The outer blade frame 40 includes a box-shaped outer blade cassette 41 having a plurality of outer blades 51 vertically movable, and a frame member of the outer blade cassette 41 by storing and mounting the outer blade cassette 41 from the lower side. And a cylindrical outer peripheral frame 42 covering the entire circumference.

The outer blade cassette 41 includes outer blades 51 arranged in parallel in the front-rear direction X. In the present embodiment, three (multiple) outer blades 51 are provided, and the first net blade 51a, the slit blade 51c, and the second net blade 51b are from the front (left side in FIG. 2) of the electric razor 1. It arranges in this order toward the back (right side of FIG. 2) side.

As shown in FIGS. 2 and 3, the

net blades

51a and 51b are both in the front-rear direction (short direction) X so that the upper side is convex in a side view (the state where the outer blade is viewed in the left-right direction Y). It is curved and formed in a reverse U-shape along it. Furthermore, the

net blades

51a and 51b are formed to be slightly curved along the left-right direction (longitudinal direction) Y so that the upper side is convex also in front view (state in which the outer blade is viewed in the front-rear direction X). There is. Further, in the

net blades

51a and 51b, a plurality of blade holes (not shown) are defined by the crosspieces. In the present embodiment, the

net blades

51a and 51b are curved so that the upper side is convex in a front view, but it is not necessary to bend the

net blades

51a and 51b.

The slit blade 51c is curved in a substantially reverse U-shape (specifically a U-shape) along the front-rear direction (short side direction) X, and a large number of slits (blade holes from the flat upper wall to the side wall ) Is formed by drilling.

That is, in the slit blade 51c, a large number of slits (blade holes) extend in the lateral direction (longitudinal direction) Y at the lower part of the substantially inverted U-shaped (U-shaped) crosspiece from the flat upper wall to the side wall It is defined by a bar extending along.

The inner blade 54, as shown in FIG. 6, is disposed between the outer blade 51 and the frame mount 31 described above, and dedicated to each of the

net blades

51a, 51b and the slit blade 51c forming the outer blade 51. The thing of is installed. Specifically, reverse U-shaped

inner blades

54a and 54b are disposed below the respective

net blades

51a and 51b along the curves of the

corresponding net blades

51a and 51b. Then, a U-shaped slit inner blade (not shown) along the curve of the slit blade 51c is disposed below the slit blade 51c.

The

inner blades

54a and 54b and the slit inner blade (not shown) are attached to the inner blade mounting portion 38 and the like, and when the drive unit (not shown) is driven, the

inner blades

54a and 54b and the slit inner blade (see FIG. (Not shown) reciprocate in the left-right direction Y respectively.

Thus, the

inner blades

54a and 54b and the slit inner blades (not shown) disposed below the respective

net blades

51a and 51b and the slit blade 51c are compared to the respective

net blades

51a and 51b and the slit blade 51c. The relative movement (reciprocation in the left-right direction Y) is performed. Thus, the body blades inserted in the blade holes of the respective

net blades

51a and 51b and the slits of the slit blade 51c are divided into the respective

net blades

51a and 51b and the slit blade 51c, the

inner blades

54a and 54b and the slit inner blade (shown And (4) are configured to cooperate and cut.

Further, the head portion 3 of the present embodiment is provided with an opening window 25 capable of discharging body hair, washing water and the like deposited on the top wall portion 37 of the frame mount 31.

Specifically, as shown in FIGS. 1 and 4, in the present embodiment, in the state where the outer blade cassette 41 is attached to the outer peripheral frame 42, it is at a position below the outer blade cassette 41 of the outer peripheral frame 42. , And the slits 29 are formed. Then, by attaching such an outer blade frame 40 to the head portion main body 30, an opening window 25 defined by the slit 29 and the upper end surface 30a (see FIG. 6) of the head portion main body 30 is formed.

In the present embodiment, two opening windows 25 are formed in parallel in the left-right direction Y in the front head portion 3 on which the switch portion 22 of the electric razor 1 is provided.

Further, in the present embodiment, the opening window 25 is disposed below the top wall 37 of the frame mount 31, and the edge 37a of the top wall 37 is provided with a groove 36 communicating with the opening window 25. It is done.

Specifically, as shown in FIGS. 4 to 6, in the present embodiment, the top wall portion 37 of the frame mount 31 is configured by the top surface 32 a of the main body cover 32 and the top surface 34 a of the rubber pressing plate 34. It is done. A pair of grooves 36 are bored downward from the edge 37 a of the top wall 37, and the pair of grooves 36 communicate with each of the opening windows 25. With such a configuration, when the electric razor 1 is stored with the electric razor 1 standing up so that the ceiling wall portion 37 faces upward after cleaning, the cleaning water, body hair, etc., which have been washed, are opened through the groove 36 and the opening window 25. It is easy to discharge from

Further, as shown in FIG. 1 and FIG. 4, the opening window 25 of the present embodiment is provided with a shutter (lid part) 28 which covers the opening window 25 so as to be able to open and close. In the form, it is slidable downward.

The shutter 28 includes a pair of covering portions 28 b capable of closing the opening window 25 and a pair of operators 28 a protruding forward from the front surface of the covering portion 28 b. Then, in the present embodiment, the pair of covering portions 28b are connected to each other, and the other covering portion 28b is interlocked and interlocked by sliding one of the two operating elements 28a downward. Each of the opening windows 25 can be opened.

At this time, by making the upper end 28d (see FIG. 4) of the shutter 28 lower than the lower end 36a (see FIG. 6) of the groove 36, the communication space between the slit 29 and the groove 36 is widened, Washing water, body hair and the like accumulated in the wall portion 37 can be easily discharged from the opening window 25.

Further, as shown in FIG. 4, in the shutter 28 of the present embodiment, locking portions 28 c are provided so as to project rearward from the rear surface of the pair of covering portions 28 b. On the other hand, as shown in FIGS. 4 and 6, at the edge 37a of the top wall 37 of the frame mount 31, a pair of notches 39 are respectively engaged with the locking portions 28c of the shutter 28, It is bored downward from the top wall 37.

With such a configuration, in the state where the shutter 28 closes the opening window 25, the locking portion 28 c and the notch 39 are locked while the shutter 28 is lowered to open the opening window 25. The locked state is released, and a thin space is formed in the notch 39. Thus, the space connecting the slit 29 and the top wall 37 of the frame mount 31 can be expanded, so that the amount of washing water introduced through the opening window 25 or the discharge through the opening window 25 can be obtained. The amount of wash water can be increased. That is, in the present embodiment, when body hair accumulated on the frame mount 31 is removed, the washing water introduced from the opening window 25 may be discharged from the blade hole of the outer blade 51. The washing water introduced from the blade hole may be discharged from the opening window 25.

Further, as shown in FIGS. 3 and 4, in the present embodiment, the head portion 3 is attached to be inclined with respect to the extending direction of the grip portion 2. The top wall portion 37 is inclined with respect to the extending direction of the grip portion 2. And as shown in FIG. 6, the notch part 39 is provided in the edge part 37a by the side of the one end 37b which the ceiling wall part 37 fell and fell.

Therefore, when the grip portion 2 of the electric razor 1 is stored upright on the charging stand (not shown) described above, it is possible to easily drain the wash water, body hair and the like left through the opening window 25. Therefore, it is possible to prevent the cleaning water and the hair from being accumulated in the top wall portion 37 and to make it more clean.

Further, as shown in FIG. 6, the ceiling wall 37 of the present embodiment is integrally provided with a recess 45 communicating with the groove 36, and the recess 45 extends to a position where the inner blade 54 overlaps. ing.

Specifically, as shown in FIG. 6 to FIG. 8, in the present embodiment, the groove 36 is provided at the edge 37 a of the top wall 37 on the front side of the electric razor 1, and the recess 45 is An inner blade 54b on the rear side of the blades 54 is extended to a position overlapping in the front-rear direction X.

Furthermore, the concave portion 45 includes a flat surface 45 a at the lower end portion and an inclined surface 45 b which gradually spreads from the flat surface 45 a toward the ceiling wall portion 37.

With such a configuration, washing water and body hair and the like remaining after washing can be guided in the direction of the opening window 25 by the inclined surface 45 b, so that washing water and body hair and the like are prevented from being accumulated in the recess 45, It can be made easy to discharge from the opening window 25. Further, since the recess 45 extends to a position where the inner blade 54b on the rear side overlaps in the front-rear direction X, it is possible to suppress that washing water and body hair etc. are accumulated in the top wall portion 37 over a wider range.

As described above, in the present embodiment, the opening window 25 is provided below the top wall 37 of the frame mount 31, and the groove 37 communicating with the opening window 25 in the edge 37a of the top wall 37 To provide Therefore, it is possible to easily drain the wash water, body hair, and the like remaining after washing from the opening window 25. That is, when the electric razor 1 is stored with the electric razor 1 standing up so that the top wall portion 37 faces upward after cleaning, it is easy to discharge the wash water, body hair, etc. left through the opening window 25 through the groove 36. it can. As a result, it can be suppressed that washing water and body hair and the like are accumulated in the ceiling wall portion 37, and therefore, it can be made more clean.

Also, in the configuration in which the opening window is provided above the top wall portion of the frame mounting base as in the prior art, it is necessary to provide an opening in the frame member of the outer blade cassette, and a new outer blade cassette having the opening is manufactured. There is a risk of cost increase. In that respect, in the present embodiment, since it is not necessary to provide an opening in the frame member or the like of the outer blade cassette 41, cost can be reduced by using the existing outer blade cassette 41, which is preferable.

Furthermore, in the present embodiment, the shutter (lid portion) 28 is provided to cover the opening window 25 so as to be able to open and close. Therefore, when the electric razor 1 is stored in an upright state, the shutter 28 can be opened to discharge wash water, body hair and the like left after washing, while the wind can be improved to form a non-drying part. Can be suppressed. On the other hand, when the electric razor 1 is used, by using the shutter 28 in a closed state, it is possible to suppress scattering of scale through the opening window 25 and the like during use. Furthermore, closing the shutter 28 does not damage the appearance of the electric razor 1.

Further, in the present embodiment, the shutter (lid portion) 28 is slidable downward, so that the upper end 28 d of the shutter 28 is lower than the lower end 36 a of the groove 36. Therefore, the communication space between the opening window 25 and the groove 36 can be secured as wide as possible. Therefore, the amount of washing water passing through the opening window 25 can be increased to effectively remove body hair deposited on the frame mount 31 and the washing water accumulated in the ceiling wall portion 37 when the electric razor 1 is stored. Body hair and the like can be more easily discharged from the opening window 25.

Furthermore, in the present embodiment, the top wall portion 37 of the frame mounting base 31 is inclined with respect to the extending direction of the grip portion 2 gripped by the user, and the groove portion 36 is lowered by the inclination of the top wall portion 37 It is provided at the edge 37a on the side of the one end 37b. Therefore, when the grip portion 2 of the electric razor 1 is stored in a straight state, it is possible to easily discharge the wash water, body hair, etc. remaining after washing from the opening window 25 on the inclined and lowered side. Therefore, it can be more reliably suppressed that cleaning water, body hair and the like are accumulated in the top wall 37, and the frame mount 31 can be kept more clean.

Further, in the present embodiment, the top wall 37 of the frame mount 31 is provided with a recess 45 communicating with the groove 36, and the recess 45 extends to a position where the inner blade 54 overlaps. Therefore, there is an advantage that it is possible to suppress that washing water and body hair remaining in a wider range are accumulated in the ceiling wall portion 37.

Furthermore, in the present embodiment, the concave portion 45 includes the inclined surface 45 b which gradually spreads toward the top wall portion 37 of the frame mount 31. Therefore, washing water and body hair and the like remaining after being washed can be guided in the direction of the opening window 25 by the inclined surface 45 b, so that washing water and body hair and the like are prevented from being accumulated in the recess 45. It can be made easy to discharge.

As mentioned above, although preferred embodiment of this invention was described, this invention is not limited to the said embodiment, A various deformation | transformation is possible.

For example, in the above embodiment, the entire head portion is inclined with respect to the extending direction of the grip portion, but only the top wall portion of the frame mount may be inclined with respect to the extending direction of the grip portion. Good.

DESCRIPTION OF SYMBOLS 1 Electric razor 25 Opening window 31 Frame mount 36 Groove part 37 Top wall part 37a Edge part 40 Outer blade frame 51 Outer blade 54 Inner blade X Front and rear direction Y Left and right direction Z Vertical direction

Claims

An outer blade frame having an outer blade whose blade holes define a plurality of blade holes;
A frame mount on which the outer blade frame can be attached;
An inner blade which is disposed between the outer blade and the frame mount and cuts relative to the outer blade to move the hair inserted into the blade hole;
In an electric shaver provided with an open window capable of discharging body hair, washing water and the like deposited on a top wall portion of the frame mount.
An electric razor, wherein the opening window is provided below the top wall portion, and a groove communicating with the opening window is provided at an edge portion of the top wall portion.
The electric shaver according to claim 1, further comprising a lid which covers the opening window so as to open and close.
The lid is slidable downwards, and
The electric razor according to claim 2, wherein the upper end portion of the lid portion is lower than the lower end portion of the groove portion.
The top wall portion is inclined with respect to the extending direction of the grip portion gripped by the user,
The electric shaver according to claim 1 or 2, wherein the groove portion is provided at an edge portion of the inclined lower end side of the top wall portion.
While providing the recessed part connected to the said groove part in the said top wall part,
The electric shaver according to claim 1 or 2, wherein the recess extends to a position where the inner blade is overlapped.
The electric shaver according to claim 5, wherein the concave portion includes an inclined surface which gradually expands toward the top wall portion.