CN102452084B - Electric shaver - Google Patents
Electric shaver Download PDFInfo
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- CN102452084B CN102452084B CN201110307960.9A CN201110307960A CN102452084B CN 102452084 B CN102452084 B CN 102452084B CN 201110307960 A CN201110307960 A CN 201110307960A CN 102452084 B CN102452084 B CN 102452084B
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- shortwall
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Abstract
An electric shaver is provided with the following components: an outer blade (40) which covers an inner blade (30) that reciprocates; an outer blade frame (41) which fixes the outer blade; and an integrally formed holding frame (20) which is provided with a pair of mutually facing short walls (21) and a pair of mutually facing long walls (22), wherein the pair of short walls (21) clamps the outer blade frame (41) therebetween. Each short wall (21) is provided with the following components: a central part (24); connecting parts which are between the short wall (21) and the pair of the long walls (22) and are provided at two sides of the central part; and a low-rigidity parts (23) which are formed between the central part (24) and the connecting parts. The low-rigidity parts (23) are lower than the central part for enlarging the displacement amount of wall surface distance of the pair of the short walls (21), which corresponds with the displacement amount of the wall surface distance of the pair of the long walls (22).
Description
Technical field
The present invention relates to a kind of electric shaver, it slips to cut off the chaetas such as beard by inner blade and outer blade.
Background technology
General electric shaver cuts off the chaetas such as beard by the inner blade of the power action based on motor with respect to outer blade moving.For example, in the electric shaver shown in patent documentation 1, outer blade is maintained on outer blade framework.Described outer blade framework can remain on up or down and keep on framework.Described maintenance framework possesses opposed facing a pair of shortwall and opposed facing a pair of longwell.In shortwall, from the opening that inserts outer blade framework more close to, the thickness of this shortwall is just thicker.Described maintenance framework is installed on the inner blade that is arranged at main part top.Cover and keep the cover of framework periphery to be installed on main part.
As mentioned above, in the manufacture of described electric shaver, need carry out outer blade frame installation at the assembling operation keeping on framework.As outer blade framework being remained on to the structure keeping on framework, described electric shaver possesses pilot hole and floor, and this pilot hole is formed on the inner surface of shortwall, and this floor is to be formed on outer blade framework with the chimeric form of this pilot hole.
If outer blade framework is inserted into and is kept in framework, floor will be pressed the inner surface of two shortwalls and these two inner surfaces are separated from each other.While making floor reach the height of pilot hole of maintenance framework further inserting outer blade framework, floor and pilot hole are chimeric.Thus, complete outer blade frame installation at the assembling operation keeping on framework.In other assemble methods, so that two approaching external blade frameworks of form of longwell apply external force and two shortwalls are fully left, in this state outer blade framework is inserted and kept in framework.
In other electric shavers, for example, fitting portion is set outside, at the fitting portion that keeps arranging on framework the subject side corresponding with this fitting portion on the longwell of blade framework.Specifically, as shown in figure 15, outer blade framework 101 possesses the hook 103 being formed on longwell 102 outer surfaces.Keep framework 110 to possess the pilot hole 114 being formed on longwell 111 inner surfaces, this pilot hole 114 is chimeric with the hook 103 of outer blade framework 101.Outer blade framework 101 in Figure 15 is for being arranged on 1 in the multiple outer blade framework keeping on framework 110.
In general, keep the intensity of framework 110 to be set as, be not easy the degree that outer blade framework 101 and outer blade are deformed.That is to say, generally keep the intensity of framework 110 will be higher than outer blade framework 101.Outer blade framework 101 is maintained at and keeps in framework 110 when keeping outer blade.When keeping framework 110 to keep outer blade framework 101, cover outer blade and outer blade framework 101 is protected it.
In the formation of Figure 15, keep on framework 110 for outer blade framework 101 is assembled in, and outer blade framework 101 is inserted into and is kept in framework 110.So hook 103 slides on the inner surface of longwell 111 that keeps framework 110.At this moment, hook 103 is pressed longwell 111 inner surfaces that keep framework 110.By the outer blade framework 101 of further insertion, the height aft hook 103 that reaches the pilot hole 114 that keeps framework 110 at hook 103 is chimeric with pilot hole 114.Thereby, complete external blade framework 101 and keep the assembling operation of framework 110.
In addition, the length direction size of outer blade framework 101 is set as and keeps the wall spacing of shortwall 115 of framework 110 roughly the same.Therefore, in the formation of Figure 15, cannot take following assemble method: so that two approaching forms of shortwall 115 apply external force from outside to maintenance framework 110, under the state that two longwells 111 that keep framework 110 are fully left, outer blade framework 101 is inserted and keep in framework 110.This be because, if compression shortwall 115 and make to keep two longwells 111 of framework 110 fully to leave will cause the wall spacing of shortwall 115 to be less than or equal to the length direction size of outer blade framework 101.
Patent documentation 1: TOHKEMY 2009-18058 communique
In the formation described in above-mentioned patent documentation 1, in order to ensure the distance between shortwall, outer blade framework can be inserted, need firmly outer blade framework to be pressed to maintenance framework, or need on two longwells, apply largely above-mentioned external force.Further, as mentioned above, shortwall is formed as the insert port side thickening gradually that inserts outer blade framework along with relying on.Therefore, make the insert port side of the outer blade framework of insertion that keeps framework deform, be difficult to make two shortwalls fully to leave along with the insertion of outer blade framework.Like this, maintenance framework does not have to form from the viewpoint of the installation summary of outer blade framework, thereby is difficult to successfully carry out assembling operation.
In the formation of above-mentioned Figure 15, by being inserted, outer blade framework 101 keeps in framework 110 as mentioned above, and the hook 103 of outer blade framework 101 is kept longwell 111 inner surfaces of framework 110 and presses to the inside.So, make the longwell 102 of whole outer blade framework 101 bending to the inside by linking up with 103.In addition, due to the intensity of above-mentioned outer blade framework 101 be less than keep framework 110 and this longwell 102 areas larger, so this longwell 102 easily to the inside distortion.Therefore under the state, being out of shape to the inside at this longwell 102, be difficult to successfully assemble.
Because not being keeps framework 110 to deform, but outer blade framework 101 deforms, so be arranged on the outer blade load that easily carrying is produced by this distortion on outer blade framework 101, the possibility that makes to cause outer blade to be out of shape because of assembling is very high.
Summary of the invention
The object of the invention is to, the assembling operation of electric shaver is more prone to.
A form of the present invention is a kind of electric shaver, and it possesses: outer blade, and it covers reciprocating inner blade; The outer blade framework of fixing described outer blade; With the maintenance framework being integrally formed, it has opposed facing a pair of shortwall and opposed facing a pair of longwell, and described a pair of shortwall is clamped in described outer blade framework therebetween, it is characterized in that, each shortwall possesses: middle body; The linking portion of described shortwall and described a pair of longwell, this linking portion is positioned at the both sides of described middle body; With low rigid portion, it is formed between described middle body and described linking portion, the rigidity of this low rigid portion is lower than described middle body, so that the addendum modification of the wall spacing of the described a pair of shortwall corresponding with the addendum modification of the wall spacing of described a pair of longwell increases.
In an example, described outer blade framework inserts from the insert port of described maintenance framework, and the thickness of the insert port side of maintenance framework described low rigid portion, described forms thinlyyer than described middle body, thereby makes described low rigid portion have lower rigidity.
In an example, described low rigid portion is tabular or membranaceous, and this low rigid portion will be thinner than described middle body at outer blade framework described shortwall, described to the gamut of the direction of insertion of described maintenance framework.
In an example, each longwell comprises extended portion, and this extended portion extends along described longwell laterally from the described linking portion of longwell and shortwall.
Preferably, above-mentioned electric shaver further possesses linking part, and it links described extended portion and described shortwall.
Preferably, described linking part is arranged on insert port side described maintenance framework, that insert described outer blade framework.
Preferably, above-mentioned electric shaver further possesses: the 1st fitting portion, its be formed on described outer blade framework, in the time that this outer blade framework is maintained on described maintenance framework on the position corresponding with the described middle body of described shortwall; With the 2nd fitting portion, it is formed on the described middle body of described shortwall, is maintained under the state on described maintenance framework at described outer blade framework, and described the 2nd fitting portion and described the 1st fitting portion are chimeric.
In an example, a side in described the 1st fitting portion and the 2nd fitting portion comprises protuberance, the opposing party comprises the recess corresponding with described protuberance, the described fitting portion that comprises described protuberance is formed as, the direction strain that can intersect towards the direction of inserting to described maintenance framework with described outer blade framework.
In addition, preferably, in the above-described configuration, possess thin crosspiece, it will link between the end of described two shortwalls, contrary with the described outer blade frame side of insertion sides.
In addition, preferably, in the above-described configuration, possess cover, this covers on and makes under state that the surface of described outer blade exposes, from keep described the periphery of described maintenance framework of blade framework this maintenance framework is covered.
Based on the present invention, it is easy that the assembling operation of electric shaver becomes.
Brief description of the drawings
Fig. 1 is the exploded perspective view of electric shaver.
Fig. 2 is the exploded perspective view of blade holder portion.
Fig. 3 is the stereogram of electric shaver.
Fig. 4 is the cutaway view along the A-A line of Fig. 1.
Fig. 5 is the exploded perspective view of outer blade cartridge
Fig. 6 is the top view that keeps framework.
Fig. 7 is the stereogram of outer blade cartridge and cover.
Fig. 8 is the cutaway view along the B-B line of Fig. 2.
Fig. 9 is the cutaway view along the C-C line of Fig. 3.
Figure 10 is the cutaway view along the D-D line of Fig. 3.
Figure 11 is the effect schematic diagram of shortwall when outer blade framework is installed.
Figure 12 is the effect schematic diagram of the maintenance framework that in the past formed.
Figure 13 is the effect schematic diagram of maintenance framework when outer blade framework is installed.
Figure 14 is the stereogram of the outer blade framework of other embodiments.
Figure 15 is maintenance framework in the past and the stereogram of outer blade framework.
symbol description
5 ... blade holder portion, 6 ... outer blade cartridge, 10 ... main part, 20 ... keep framework, 24a ... pilot hole (the 2nd fitting portion), 21 ... low rigid portion, 22 ... longwell, 23 ... low rigid portion, 24 ... maintaining part (middle body), 25 ... thin crosspiece, 27 ... extended portion, 28 ... linking part, 30 ... inner blade, 40 ... outer blade, 41 ... outer blade framework, 42 ... floor (the 1st fitting portion), 50 ... cover.
Detailed description of the invention
Below, with reference to Fig. 1～Figure 13, the embodiment that electric shaver of the present invention is specialized is described.In the following description, the front, back, left, right, up, down of electric shaver is with reference to rectangular axes shown in the drawings.
As shown in Figure 1, pack blade holder portion 5 into from the upside of main part 10.Be formed with the handle portion 11 for user's handling at the outer peripheral face of described main part 10.On the right flank of described handle portion 11, be provided with the switch portion 12 for operating.Be formed with body head 13 on the top of main part 10, this body head 13 is covered by blade holder portion 5 in the time that electric shaver uses.Be arranged before and after pair of vibrator 14 at the upper surface of described body head 13.Switch portion 12 1 is operated, and vibrator 14 is just located at the driving of motor on main part 10 (diagram slightly) and is vibrated along left and right directions by interior.
Inner blade 30 is installed on base station 31.Pack base station 31 into from the upside of vibrator 14.In Fig. 1, only on the vibrator 14 of rear side, base station 31 is installed.Inner blade 30 bends to the U font of projection upward.Base station 31 is formed as rectangular shape.Base station 31 is configured in the inner side of inner blade 30, and from inner side supporting inner blade 30.
As shown in Figure 3, on the left surface of main part 10, be provided with main body side operating portion 15.At length say, as shown in Figure 4, be formed with and the 1st fastener 16 of main body side operating portion 15 one at the upside of main body side operating portion 15.Described the 1st fastener 16 is formed as approximate L font with the form of giving prominence to laterally from the left surface of body head 13.In addition, as shown in circle as upper left in Fig. 4, in the front and back of this main body side operating portion 15 across main body side operating portion 15 both sides and be provided with 2 the 1st fasteners.
Main body side operating portion 15 by be located at body head 13 helical spring 19 elastic force laterally (side contrary with body head 13) suppress.On main part 10 and upwards side-prominent anti-delinking part 9 engages with main body side operating portion 15, thereby prevents that main body side operating portion 15 from coming off from main part 10.On the top of main body side operating portion 15 when to main part 10 side pressing operation or in the time that the external force of body head 13 sides is applied on two the 1st fasteners 16, the 1st fastener 16 and main body side operating portion 15 are resisted the elastic force of helical spring 19 and kept out of the way to body head 13 sides.Then,, after being disengaged to the external force of the 1st fastener 16 or main body side operating portion 15, the 1st fastener 16 and main body side operating portion 15 return to outstanding state by the elastic force of helical spring 19 from above-mentioned retreating position.
In addition, as shown in Figure 1, on the right flank of body head 13, being formed with a pair of the 2nd fastener 17, the 2 fasteners 17 becomes the shape identical with the front end of the 1st fastener 16.The same with the 1st fastener 16, on fore-and-aft direction and be provided with 2 the 2nd fasteners 17.The 2nd fastener 17 forms as one with body head 13.So the 2nd fastener 17 is different from the 1st fastener 16, the 2nd fastener 17 is not kept out of the way to body head 13 sides.In addition, with two the 2nd fasteners 17 of main part 10 right flanks between be formed with finger contact portion 18 on corresponding position.Described finger contact portion 18 and main part 10 form as one.
As shown in Figure 1, on main part 10, above this main part 10, the blade holder portion 5 of covering shape is installed, this blade holder portion 5 covers vibrator 14, base station 31 and inner blade 30.Specifically, as shown in Figure 2, outer blade cartridge 6 and cover 50 are assembled and form blade holder portion 5.
The outer blade cartridge > of <
Outer blade cartridge 6 is by an external blade 40, install an external blade framework 41 of an external blade 40 and the maintenance framework 20 that blade framework 41 these is installed forms from upside respectively.Keeping framework 20 and outer blade framework 41 to be formed by synthetic resin also can strain.Outer blade 40 is formed as the U font corresponding with the profile of inner blade 30.Outside each, on the surface of blade 40, be formed with multiple blade aperture.Each outer blade framework 41 is for to have to upper end and the tubular of lower ending opening.Each outer blade framework 41 can be accommodated upper end or the whole inner blade 30 of the inner blade 30 being arranged on base station 31.On the right flank of blade framework 41 and left surface, be formed with respectively outside the floor 42 of the rectangular shape extending along the vertical direction.
< keeps framework >
As shown in Figure 5, keep framework 20 by opposed facing right wall and left wall (shortwall) 21 and opposed facing antetheca and rear wall (longwell) 22 formations.In the inside that keeps framework 20, one external blade framework 41 can be installed.Be formed for inserting opening or the insert port of outer blade framework 41 by the lower limb of wall 21 and 22 in the lower end that keeps framework 20.
As shown in Figure 6, be formed with the low rigid portion 23 linking with longwell 22 on each shortwall 21, low rigid portion 23 is positioned at the two ends of the fore-and-aft direction (above-below direction of Fig. 6) of shortwall 21.In addition, between the low rigid portion 23 of each shortwall 21, be formed with maintaining part 24.Maintaining part 24 is also referred to as the middle body of each shortwall 21.Low rigid portion 23 forms thinlyyer than maintaining part 24.So the rigidity of low rigid portion 23 is lower than maintaining part 24.In addition, as shown in Figure 5, in maintaining part 24, be formed with the pilot hole 24a that runs through the thickness direction of shortwall 21 and extend along the vertical direction.In illustrated example, each shortwall 21 has 2 pilot hole 24a, and these pilot holes 24a is formed on respectively front side and the rear side of maintaining part 24.Can insert outer blade framework 41 in the inner side of two maintaining parts 24.Pilot hole 24a is formed as, and the floor 42 of outer blade framework 41 can be shifted by predetermined amounts along the vertical direction.Between opposed facing two maintaining parts 24, set up bar-shaped thin crosspiece 25.Described thin crosspiece 25 links together the upper end of two maintaining parts 24.
As shown in Figure 5, from the extended releasing portion 26 that has L font in lower end of each maintaining part 24.Releasing portion 26 is formed with frame side operating portion 26b vertical with flexure strip 26a and that extend laterally by the flexure strip 26a extending downwards.On each flexure strip 26a, be formed with through hole 26c.
Each longwell 22 comprises more will be to extended portion 27 right-hand and that left extends than the linking portion of longwell 22 and shortwall 21.By forming extended portion 27, two ends of low rigid portion 23 by longwell 22 firmly fixing, low rigid portion 23 cannot be shifted along left and right directions in fact.This is described in detail hereinafter.
As shown in Fig. 5 and Fig. 6, form bight by the inner surface of extended portion 27 and the outer surface of low rigid portion 23, on this bight, be formed with the linking part 28 of triangle column.Linking part 28 is separately positioned in 4 bights that formed by two shortwalls 21 and two longwells 22.As shown in Figure 5, each linking part 28 is arranged in a part for low rigid portion 23, particularly keeps the downside of framework 20, for inserting the insert port side of maintenance framework 20 of outer blade framework 41.Linking part 28 optionally improves the rigidity of low rigid portion 23 on the position corresponding with the lower end that keeps framework 20.
< covers >
As shown in Figure 7, cover 50 is formed as the tubular that keeps the periphery of framework 20 to cover.That is to say the peristome 51 of cover 50 upsides and the corresponding formation of periphery that keeps framework 20.The lower edge of covering the sidewall 52 of 50 left and right sides is formed with breach 53.Breach 53 and upper surface and two the corresponding formation in side of frame side operating portion 26b that keep framework 20.As shown in Figure 8, on the inner surface of sidewall 52, be formed with outstanding to the inside hook 54.Hook 54 is positioned at the top of the breach 53 of each sidewall 52, can enter from outside the through hole 26c that keeps framework 20.
Be formed with recess 55 in front sides each sidewall 52 inner surfaces, breach 53 and rear side.Two the 1st fasteners 16 or two the 2nd fasteners 17 of main part 10 can enter two recesses 55.
Below, the assemble method of electric shaver is illustrated.
As shown in Figure 5, first, keep on framework 20 by the outer blade framework 41 that outer blade 40 is installed is assemblied in, externally blade cartridge 6 is assembled.At this, hereinafter at length externally the assemble method of blade cartridge 6 with and effect describe.
Then, tool setting horse portion 5 assembles.
As shown in Figure 7, make the frame side operating portion 26b of outer blade cartridge 6 through the breach 53 of cover 50 on one side, on one side outer blade cartridge 6 is inserted from covering 50 lower ending opening.At this moment the hook 54 that, is arranged at cover 50 inside slides on the outer surface of maintaining part 24.Then, as shown in Figure 9, under the state of the upper surface of frame side operating portion 26b and the inner top surface butt of breach 53, each hook leading section of 54 from outside engagement among the through hole 26c of flexure strip 26a.By this engagement, keep framework 20 and then outer blade cartridge 6 to be fixed to the state being arranged in cover 50.Thereby complete the assembling of tool setting horse portion 5.
In this state, the front end of two frame side operating portion 26b is outstanding to outside through breach 53 from covering 50.Except solution, when the connection of blade cartridge 6 and cover 50, apply these two external force that frame side operating portion 26b clamps being positioned at the frame side operating portion 26b of the left and right sides, make two flexure strip 26a strain to the inside.Thus, can make two hooks 54 depart from from through hole 26c, outer blade cartridge 6 is unloaded from covering 50.
Then,, as long as blade holder portion 5 is installed on main part 10, just can complete the assembling to electric shaver.Specifically, as shown in Figure 1, first, respectively the 2nd fastener 17 buttons are hung in two recesses 55 on cover 50 right sides.Then, the left side of blade holder portion 5 is covered on main part 10.Thus, the 1st fastener 16 is pressed towards the inner surface of cover 50, and slides on this inner surface.At this moment the elastic force that, the 1st fastener 16 is resisted helical spring 19 is kept out of the way to the inside.Then, as shown in figure 10, the 1st fastener 16 1 arrives the position of recess 55, and the front end of the 1st fastener 16 just enters into recess 55 by the elastic force of helical spring 19.Thus, cover 50 so that blade holder portion 5 by engagement on main part 10.Thereby, complete the installation of blade holder portion 5 to main part 10.
In addition, as shown in Figure 3, while being installed on main part 10 in blade holder portion 5, the form that main body side operating portion 15 operates being pressed is in exposing state.By press main body side operating portion 15, the 1 fasteners 16 submerge inner side.Thus, the 1st fastener 16 departs from from recess 55, with the order contrary with said sequence, blade holder portion 5 is unloaded from main part 10.
In the electric shaver with the assembling of above-mentioned form, by switch portion 12 being operated while making vibrator 14 in open mode, inner blade 30 moves back and forth along left and right directions on the inner surface of blade 40 outside.In this state, by the surface pressure of outer blade 40 is made on skin enter into inner blade 30 and outside the chaeta such as beard between blade 40 be cut off.At this moment,, because each outer blade framework 41 is supported in and keeps in framework 20 with the form that can move up and down, institute in addition blade 40 can be shifted according to the shape of skin.
Finally, externally the assemble method of blade cartridge 6 is elaborated.
As shown in Figure 5, the outer blade framework 41 that possesses outer blade 40 is inserted from lower side direction holding frame frame 20.At length say, in addition the floor 42 of blade framework 41 respectively the form corresponding with keeping the pilot hole 24a of framework 20 outer blade framework 41 is inserted in the insert port that keeps framework 20.At this, not occurring in the maintenance framework 20 conventionally time such as strain, the wall spacing of two shortwalls 21 (saying exactly two maintaining parts 24) is set to the size of the outer blade framework 41 except being positioned at the floor 42 on left and right directions roughly the same.So, in the time inserting outside two floors 42 of blade framework 41 by outside the inner surface of shortwall 21 thruster.Thus, when shortwall 21 is shifted laterally, longwell 22 is shifted to the inside.At this moment, make to be applied on floor 42 towards the pressure of inner side by the elastic force of shortwall 21.
Schematically show the now effect of shortwall 21 with Figure 11.For clear and definite following illustrated effect and effect, although the shape that shape and the Fig. 6 etc. of the maintenance framework 20 shown in Figure 11 illustrate is slightly different, even but the formation of Fig. 6 etc. also can obtain the effect identical with Figure 11 and effect.
The scope A of Figure 11 amplifies the end that shows that low rigid portion 23 is connected with longwell 22.By forming extended portion 27, limit low rigid portion 23 and the end that longwell 22 is connected deform (bending).That is to say the inner surface angulation θ 1 of low rigid portion 23 and longwell 22.In the time that displacement occurs for the state of above-mentioned maintenance framework 20 when common and shortwall 21, described angle θ 1 is roughly the same angle.Then,, in the time that displacement occurs shortwall 21, the upper section of the scope A of low rigid portion 23 is intensively bending laterally.In order to compare, be illustrated in the distortion of shortwall 21 in the formation in the past that extended portion 27 and low rigid portion 23 are not set with the double dot dash line in Figure 11.Based on the formation of present embodiment, in the case of outer blade framework 41 is pushed keep the power of framework 20 be made as identical, compared with forming, can make shortwall 21 be shifted more laterally in the past.Specifically, in forming, as shown in amplifying in the circle of scope A, the end of longwell 22 sides of shortwall 21 and the angle θ 1 that longwell 22 forms are along with the displacement of shortwall 21 little by little diminishes and becomes angle θ 2 in the past.This is that the linking part of shortwall 21 and longwell 22 becomes the pivot of hinge because particularly in the situation that extended portion 27 is not set.Therefore,, although shortwall 21 bends to convex-shaped surface laterally in forming in the past, now the degree of crook of shortwall 21 is less than the low rigid portion 23 of present embodiment.Due to shortwall 21 integrally bendings in forming in the past, be positioned at inner side so be equivalent to the part of maintaining part 24 compared with present embodiment.In this, in the present embodiment, concentrate bending by maintaining part 24 sides of low rigid portion 23, maintaining part 24 is displacement laterally easily.In other words, low rigid portion 23 can make the recruitment of the wall spacing of two maintaining parts 24 corresponding with the reduction of the wall spacing of two longwells 22 become larger.Therefore, can outer blade framework 41 be filled in to make two maintaining parts 24 fully leave compared with little thrust and keep in framework 20.
By keeping framework 20 displacement laterally largely, can reduce by the elastic force of shortwall 21 and be applied to the pressure on floor 42.Therefore, can outer blade framework 41 be inserted and keep in framework 20, and can suppress the distortion etc. of the floor 42 causing because of described pressure.
With above-mentioned the same, linking part 28, by supporting with the end that longwell 22 is connected from outside to low rigid portion 23, limits the distortion (bending) of this end.Therefore, can positively bring into play the illustrated effect with reference to above-mentioned Figure 11.
At this, the rigidity of maintaining part 24 exceeds the corresponding amount of the amount thicker than this low rigid portion 23 with this maintaining part 24 than low rigid portion 23.Therefore, when bending, also can suppress the flexural deformation of maintaining part 24 even carried out laterally in end low rigid portion 23, maintaining part 24 sides.Thus, can make maintaining part 24 maintain the posture along fore-and-aft direction, and then make floor 42 described later become easy to the chimeric of pilot hole 24a.Floor 42 is also referred to as the 1st fitting portion, and pilot hole 24a is also referred to as the 2nd fitting portion.Also floor 42 and pilot hole 24a can be called to protuberance and recess.
Further, by extended portion 27 is set, can limits and keep framework 20 to be shifted to shear direction.At length say, as shown in figure 12, in above-mentioned formation in the past, because shortwall 21 is higher with respect to the rotary freedom of longwell 22, so shortwall 21 can rotate taking the linking part of this shortwall 21 and longwell 22 as pivot.Therefore,, as shown in the double dot dash line in Figure 12, in the time outer blade framework 41 being inserted in maintenance framework 20, can keep the problem of framework 20 along shear direction (left and right directions of Figure 12) distortion.In this case, because the wall spacing of shortwall 21 is with above-mentioned identical when common, so be difficult to outer blade framework 41 to insert and keep framework 20.In this, in the present embodiment, as mentioned above, limit the rotation of low rigid portion 23 with respect to longwell 22 by extended portion 27.Therefore, can limit and keep framework 20 as Figure 12, along shear direction displacement, keep in framework 20 thereby can successfully outer blade framework 41 be inserted.
As shown in Figure 5, when make two shortwalls 21 expand laterally by floor 42, the upper end of these shortwalls 21 links together by thin crosspiece 25.So, can be in the upper end of shortwall 21 not laterally under the state of expansion, make all to act on via the power of the expansion of floor 42 lower end of shortwall 21.Therefore, can make the lower end of shortwall 21, keep the wall spacing of the shortwall 21 of the inserting side of the outer blade framework 41 of framework 20 further to increase.Therefore, can more successfully assemble.
Like this, outer blade framework 41 is shifted shortwall 21 on one side laterally, is embedded in and keeps in framework 20 on one side.Then, floor 42 1 reaches the height of the pilot hole 24a of shortwall 21, and this floor 42 is just entrenched in pilot hole 24a.Like this, an external blade framework 41 1 is mounted, and just can complete the assembling of tool setting film magazine 6.At this moment, outer blade framework 41 can be kept with respect to the form that keeps framework 20 to move up and down along pilot hole 24a with described floor 42.
As the assemble method of outer blade cartridge 6, be not limited in and as described above outer blade framework 41 be pressed into the method keeping in framework 20.As shown in figure 13, for example assembler applies compression stress to the outer surface of two longwells 22, so that these two longwells 22 approach.Thus, with above-mentioned outer blade framework 41 is pressed into while keeping in framework 20 the same, low rigid portion 23 laterally in flexing maintaining part 24 be shifted laterally.At this, while being applied with compression stress on the central portion on the left and right directions of longwell 22, as shown in the double dot dash line in Figure 13, two longwells 22 bend to conic section shape.That is to say, in the amount of deflection maximum of central portion described in longwell 22.At this moment, the extended portion 27 of two longwells 22 (side contrary with shortwall 21) warpage laterally.
At this, low rigid portion 23 and extended portion 27 are bonded portion 28 and link together.Therefore,, by making extended portion 27 warpages, low rigid portion 23 and then maintaining part 24 are pushed to outside.In addition, linking part 28 is formed on the insert port side (Fig. 5 waits downside) of the maintenance framework 20 for inserting outer blade framework 41.Therefore, can make the wall spacing of the shortwall 21 (say exactly and keep framework 20) of the insert port side of inserting outer blade framework 41 increase.In this state, outer blade framework 41 is inserted into and keeps in framework 20.Then,, in the time that floor 42 reaches the height of pilot hole 24a of shortwall 21, remove the compression stress with respect to above-mentioned longwell 22.Thus, floor 42 is entrenched in pilot hole 24a, completes assembling.
In described assemble method, due to blade framework 41 outside can inserting under the state of wall spacing of having guaranteed shortwall 21, so can reduce contacting of floor 42 and shortwall 21 inner surfaces.In addition, compared with above-mentioned formation in the past, can maintaining part 24 be shifted laterally until can insert the position of outer blade framework 41 with less compression stress.This is because as illustrated with reference to Figure 11 in above-mentioned assemble method, have the formations such as low rigid portion 23 and extended portion 27.In addition, as shown in the dotted arrow of Figure 13, even occur, in inconsistent situation, also can suppressing as Figure 12 on left and right directions in two compression stresses that act on the longwell 22 of upside and the longwell 22 of downside, be out of shape along shear direction.Therefore, this assemble method also can make the assembling operation of outer blade cartridge 6 become easy.
Above, based on the embodiment having illustrated, can obtain following action effect.
(1) outer blade framework 41 is sandwiched between the shortwall 21 that keeps framework 20.In the time outer blade framework 41 being arranged on maintenance framework 20, need make shortwall 21 separated from one another.The low rigid portion 23 being formed on shortwall 21 forms thinlyyer than the maintaining part of shortwall 21 24.Therefore, the rigidity of low rigid portion 23 low and this easily bending of low rigid portion 23 than maintaining part 24.Therefore, low rigid portion 23 can make the addendum modification of the wall spacing of two shortwalls 21 corresponding with the addendum modification of the wall spacing of two longwells 22 increase.Thus, in the time that outer blade framework 41 is installed to maintenance framework 20, can easily make two shortwalls 21 be shifted until can insert the position of outer blade framework 41.Therefore, can make outer blade framework 41 be more prone to the installation exercise that keeps framework 20, and then can make the assembling operation of electric shaver be more prone to.
(2) low rigid portion 23 is tabular or membranaceous, and this low rigid portion 23 will be thinner than maintaining part 24 at the gamut that keeps framework 20 above-below directions.Therefore, blade framework 41 is inserted into while keeping in framework 20 outside, by low rigid portion 23 flexing laterally, impels maintaining part 24 separated from one another.Thus, can make outer blade framework 41 become easily to the installation exercise that keeps framework 20, and then can make the assembling operation of electric shaver become easy.
The flexural deformation of shortwall 21 concentrates in low rigid portion 23 (saying exactly the end of described maintaining part 24 sides).Can suppress the maintaining part 24 that rigidity is higher than low rigid portion 23 occurs bending and deformation.Thus, can suppress pilot hole 24a and tilt with respect to the approach axis of floor 42, thereby can more successfully floor 42 be embedded in pilot hole 24a.
(3) on longwell 22, be formed with the extended portion 27 of extending more laterally than two shortwalls 21 that are attached at himself.Thus, two of shortwall 21 involved longwells 22 that have extended portion 27 of end face support.Therefore, can limit shortwall 21 (saying exactly described low rigid portion 23) end is shifted with respect to longwell 22.Thus, do not bend under the state of conic section shape at whole shortwall 21, this low rigid portion 23 is intensively bending laterally.Therefore, can make the wall spacing of maintaining part 24 increase.Thus, can make outer blade framework 41 be more prone to the installation exercise that keeps framework 20, and then can make the assembling operation of electric shaver be more prone to.
(4) blade framework 41 is inserted into while keeping in framework 20 outside, and along with two shortwalls 21 are separated from each other, two longwells 22 bend to conic section shape with the central portion of these two longwells 22 form close to each other.At this moment, extended portion 27 pushes shortwall 21 (saying exactly described low rigid portion 23) to outside by linking part 28.Therefore, can impel two separation between low rigid portion 23.Thus, can make outer blade framework 41 be more prone to the installation exercise that keeps framework 20, and then can make the assembling operation of electric shaver be more prone to.
Because shortwall 21 is securely fixed on longwell 22 by linking part 28, thus the same with above-mentioned (3), can make low rigid portion 23 intensively bending laterally.As mentioned above, can make the wall spacing of maintaining part 24 increase, thereby can make outer blade framework 41 be more prone to the installation exercise that keeps framework 20.
(5) keep framework 20, insert outside the insert port side of blade framework 41 be formed with linking part 28.Therefore,, in the time outer blade framework 41 being inserted in maintenance framework 20, the wall spacing of two shortwalls 21 is along with the insert port side that relies on the outer blade framework 41 of insertion that keeps framework 20 becomes large gradually.Therefore, can be suppressed at this outer blade framework 41 (particularly floor 42) when outer blade framework 41 is inserted in maintenance framework 20 and interfere with the end face of shortwall 21, thereby can make outer blade framework 41 to keeping framework 20 installation exercises to be more prone to.
(6) be entrenched togather by floor 42 and pilot hole 24a, outer blade framework 41 is maintained in maintenance framework 20 can move up and down form.Can outer blade framework 41 be installed to and be kept in framework 20 by this simple structure.
(7) by thin crosspiece 25, can suppress maintaining part 24, be shifted laterally with the position of the contrary side of insert port side of the outer blade framework 41 of insertion.So, can make the wall spacing of the maintaining part 24 of the insert port side of inserting outer blade framework 41 increase the amount corresponding with above-mentioned repressed amount.Thus, can make outer blade framework 41 be more prone to the installation exercise that keeps framework 20.
(8) owing to by formations such as above-mentioned low rigid portion 23, extended portions 27, maintaining part 24 being shifted more laterally, be applied to the pressure on floor 42 so can reduce by the elastic force of shortwall 21.Therefore, can suppress the distortion etc. of floor 42.Further, make to be applied to the formation of the pressure decreased on floor 42 without employing.Therefore, can form more simply outer blade framework 41.
(9) cover 50 covers the periphery of outer blade cartridge 6 under the state that the surface of outer blade 40 is exposed.Thus, due to by cover 50 can protection package containing the shortwall 21 of maintenance framework 20 that is provided with low rigid portion 23 around interior outer blade cartridge 6, so can prevent that this outer blade cartridge 6 from deforming or damaged and can improve the design of electric shaver.
In addition, above-mentioned embodiment also can be implemented according to the following mode of this mode having been done to suitable change.
In the above-described embodiment, outer blade framework 41 is inserted into and is kept framework 20 from downside.But, also can be configured to, outer blade framework 41 is inserted to the form keeping framework 20 from upside.In this formation, linking part 28 is arranged on the insert port side of the outer blade framework 41 of insertion that keeps framework 20, i.e. upside.In addition, thin crosspiece 25 need to be arranged on to the lower end of two maintaining parts 24.Even this formation, also can obtain the action effect identical with above-mentioned embodiment.
In the above-described embodiment, linking part 28 is arranged on the insert port side of the maintenance framework 20 that inserts outer blade framework 41.But linking part 28 also can be formed on the gamut of the direction of insertion (above-below direction) of the outer blade framework 41 that keeps framework 20.Even this formation, also as shown in Figure 13, along with extended portion 27 is towards a side warpage contrary with shortwall 21, impels the wall spacing of two maintaining parts 24 to increase.In this case, no matter outer blade framework 41 is upside or downside to the direction that keeps framework 20 to insert, and can both obtain same effect.
In the above-described embodiment, on blade framework 41, be provided with floor 42 outside, keeping being provided with pilot hole 24a on framework 20.Then,, by floor 42 is chimeric with pilot hole 24a, outer blade framework 41 is maintained at and keeps on framework 20.But, be not limited in above-mentioned formation, be maintained at as long as be configured to outer blade framework 41 form keeping on framework 20.For example, also on blade framework 41, pilot hole 24a is set outside, is keeping, on framework 20, floor 42 is set.In addition, also can omit floor 42 and pilot hole 24a, and keep outer blade framework 41 by the elastic force that keeps framework 20.
In the above-described embodiment, floor 42 is fixed on two sides of outer blade framework 41.But, also floor can be configured to can strain form.Specifically, as shown in figure 14, the periphery of the floor 60 of 41 two sides of blade framework is formed with through hole 61 outside.The upper end of the upper edge of described through hole 61 and floor 60 is linked together by board 62.If press to the inside floor 60, will make board 62 that strain occurs and make the front of floor 60 enter through hole 61.In the example of Figure 14, outer blade framework 41 inserts from lower side direction holding frame frame 20.Thus, by front end and the end face butt that keeps framework 20 of floor 60, can successfully outer blade framework 41 be inserted into and keep in framework 20.Like this, by floor 60 is configured to can strain form, can relax outer blade framework 41 is inserted keep framework 20 in time the interference of floor 60 and shortwall 21, thereby can more successfully assemble.The in the situation that of pilot hole being set on blade framework 41 outside and on maintenance framework 20, floor being set, also can obtain same effect.
In the above-described embodiment, blade holder portion 5 to the installation of main part 10 so that cover 50 forms that are arranged on main part 10 are carried out.But, as long as keep the formation of framework 20 and outer blade framework 41 identical, also can be configured to and will keep framework 20 to be arranged on the form on main part 10.Specifically, keeping being provided with chimeric embeding mechanism mutually between framework 20 and main part 10, make to keep framework 20 to be installed on main part 10 by the chimeric of these embeding mechanisms.In this case, also can omit the embeding mechanism (through hole 26c and hook 54) being arranged between outer blade cartridge 6 and cover 50.
Also can be configured to, not be to omit the embeding mechanism being arranged between outer blade cartridge 6 and cover 50, but omit the form that is arranged at the embeding mechanism (the 1st fastener the 16, the 2nd fastener 17 and recess 55) between cover 50 and main part 10.In this case, cover 50 is not to be installed on main part 10, but is installed on the maintenance framework 20 being assemblied on this main part 10.That is to say, cover 50 is by keeping framework 20 to be fixed on main part 10.
Further, also can be configured to, in body head 13, be provided with under the state of cover 50, outer blade cartridge 6 can be arranged on to the form on the top of cover 50.In this formation, be provided with the bottom of the top of cover 50 and outer blade cartridge 6 chimeric embeding mechanism mutually.
By being configured to above-mentioned can, by keeping framework 20 to be arranged on the form on main part 10, also can omitting and cover 50.
In the above-described embodiment, low rigid portion forms identical thinness on above-below direction.But, also can only the insert port side (Fig. 1 waits downside) of the maintenance framework 20 that inserts outer blade framework 41 be formed compared with unfertile land.In this formation, in the time that outer blade framework 41 is inserted to maintenance framework 20, at least can make the wall spacing of the shortwall 21 (maintaining part 24) of described downside increase the amount identical with above-mentioned embodiment.So it is easy that assembling operation becomes.
Also can be configured to, omit the form of the extended portion 27 in above-mentioned embodiment.Even in this case, because blade framework 41 outside can increase the wall spacing of two maintaining parts 24 by low rigid portion 23 when keeping framework 20 to insert, so also can make the assembling of outer blade cartridge 6 become easy.
Also can be configured to the form of omitting linking part 28 and thin crosspiece 25.That is to say, also extended portion 27, linking part 28 and thin crosspiece 25 all can be omitted, or the parts that also can combine as required wherein form.No matter which kind of forms, all the same with above-mentioned embodiment, makes the assembling of outer blade cartridge 6 become easy by low rigid portion 23.
Although in the above-described embodiment, dispose blade 40 outside 2 on fore-and-aft direction, but externally the quantity of blade 40 and the inner blade 30 corresponding with this outer blade 40 not limiting, can be also odd number or more than 3.In addition, externally the shape of the curved surface of blade 40 outer surfaces and detailed structure are not particularly limited, and for example outer blade can be also slit blade.
In the above-described embodiment, by making the thickness attenuation of low rigid portion 23 that the rigidity of low rigid portion 23 is reduced.But as long as can make the rigidity of low rigid portion 23 reduce, the thickness of low rigid portion 23 also can be identical with maintaining part 24.For example, also can in the case of the thickness of low rigid portion 23 is formed as identical with the thickness of maintaining part 24, by making the material of low rigid portion 23 and maintaining part 24 different, make the rigidity of low rigid portion 23 be less than maintaining part 24.Even this formation, also can obtain the effect identical with above-mentioned Figure 11.
Claims (10)
1. an electric shaver, possesses:
Outer blade, it covers reciprocating inner blade;
The outer blade framework of fixing described outer blade; With
The maintenance framework being integrally formed, it has opposed facing a pair of shortwall and opposed facing a pair of longwell,
Described a pair of shortwall by insert from the inserting side of described maintenance framework described blade framework be clamped in therebetween,
It is characterized in that, each shortwall possesses:
Middle body;
The linking portion of described shortwall and described a pair of longwell, this linking portion is positioned at the both sides of described middle body; With
Low rigid portion, it is formed between described middle body and described linking portion, the rigidity of this low rigid portion is lower than described middle body, so that the addendum modification of the wall spacing of the described a pair of shortwall of the described inserting side corresponding with the addendum modification of the wall spacing of described a pair of longwell increases.
2. electric shaver according to claim 1, is characterized in that,
Described outer blade framework inserts from the insert port of described maintenance framework, and the thickness of the insert port side of maintenance framework described low rigid portion, described forms thinlyyer than described middle body, thereby makes described low rigid portion have lower rigidity.
3. electric shaver according to claim 2, is characterized in that,
Described low rigid portion is tabular or membranaceous, and this low rigid portion will be thinner than described middle body at outer blade framework described shortwall, described to the gamut of the direction of insertion of described maintenance framework.
4. according to the electric shaver described in any one in claim 1～3, it is characterized in that,
Each longwell comprises extended portion, and this extended portion extends along described longwell laterally from the described linking portion of longwell and shortwall.
5. electric shaver according to claim 4, is characterized in that,
Further possess linking part, it links described extended portion and described shortwall.
6. electric shaver according to claim 5, is characterized in that,
Described linking part is arranged on insert port side described maintenance framework, that insert described outer blade framework.
7. according to the electric shaver described in any one in claim 1～3, it is characterized in that,
Possess: the 1st fitting portion, its be formed on described outer blade framework, in the time that this outer blade framework is maintained on described maintenance framework on the position corresponding with the described middle body of described shortwall; With
The 2nd fitting portion, it is formed on the described middle body of described shortwall, is maintained under the state on described maintenance framework at described outer blade framework, and described the 2nd fitting portion and described the 1st fitting portion are chimeric.
8. electric shaver according to claim 7, is characterized in that,
A side in described the 1st fitting portion and the 2nd fitting portion comprises protuberance, and the opposing party comprises the recess corresponding with described protuberance,
The described fitting portion that comprises described protuberance is formed as, the direction strain that can intersect towards the direction of inserting to described maintenance framework with described outer blade framework.
9. according to the electric shaver described in any one in claim 1～3, it is characterized in that,
Possess thin crosspiece, it will link between the end of described two shortwalls, contrary with the described outer blade frame side of insertion sides.
10. according to the electric shaver described in any one in claim 1～3, it is characterized in that,
Possess cover, this covers on and makes under state that the surface of described outer blade exposes, from keep described the periphery of described maintenance framework of blade framework this maintenance framework is covered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-231992 | 2010-10-14 | ||
| JP2010231992A JP5603198B2 (en) | 2010-10-14 | 2010-10-14 | Electric razor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102452084A CN102452084A (en) | 2012-05-16 |
| CN102452084B true CN102452084B (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110307960.9A Active CN102452084B (en) | 2010-10-14 | 2011-09-29 | Electric shaver |
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| Country | Link |
|---|---|
| JP (1) | JP5603198B2 (en) |
| CN (1) | CN102452084B (en) |
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|---|---|---|---|---|
| US5678313A (en) * | 1994-10-31 | 1997-10-21 | Sanyo Electric Co., Ltd. | Triple bladed shaver |
| CN1168311A (en) * | 1996-04-26 | 1997-12-24 | 三洋电机株式会社 | Producing method for electric razor and its outer edge |
| CN1206648A (en) * | 1997-07-28 | 1999-02-03 | 松下电工株式会社 | Reciprocative type electric razor |
| CN1807034A (en) * | 2004-12-28 | 2006-07-26 | 松下电工株式会社 | Reciprocation type electric shaver |
| CN101715384A (en) * | 2007-07-12 | 2010-05-26 | 松下电工株式会社 | Electric shaver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07289754A (en) * | 1994-04-28 | 1995-11-07 | Matsushita Electric Works Ltd | Reciprocating-type electric shaver |
| JP3721783B2 (en) * | 1998-05-26 | 2005-11-30 | 松下電工株式会社 | Reciprocating electric razor |
| JP2000157756A (en) * | 1998-11-30 | 2000-06-13 | Sanyo Electric Co Ltd | Electric razor |
| JP2001347082A (en) * | 2000-06-07 | 2001-12-18 | Matsushita Electric Works Ltd | Reciprocating electric shaver |
| JP4840450B2 (en) * | 2009-01-16 | 2011-12-21 | パナソニック電工株式会社 | Electric razor |
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2010
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2011
- 2011-09-29 CN CN201110307960.9A patent/CN102452084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678313A (en) * | 1994-10-31 | 1997-10-21 | Sanyo Electric Co., Ltd. | Triple bladed shaver |
| CN1168311A (en) * | 1996-04-26 | 1997-12-24 | 三洋电机株式会社 | Producing method for electric razor and its outer edge |
| US5893211A (en) * | 1996-04-26 | 1999-04-13 | Sanyo Electric Co., Ltd. | Electric shaver and a method of manufacturing an outer blade |
| CN1206648A (en) * | 1997-07-28 | 1999-02-03 | 松下电工株式会社 | Reciprocative type electric razor |
| CN1807034A (en) * | 2004-12-28 | 2006-07-26 | 松下电工株式会社 | Reciprocation type electric shaver |
| CN101715384A (en) * | 2007-07-12 | 2010-05-26 | 松下电工株式会社 | Electric shaver |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5603198B2 (en) | 2014-10-08 |
| CN102452084A (en) | 2012-05-16 |
| JP2012081204A (en) | 2012-04-26 |
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