CN102452084A - Electric shaver - Google Patents
Electric shaver Download PDFInfo
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- CN102452084A CN102452084A CN2011103079609A CN201110307960A CN102452084A CN 102452084 A CN102452084 A CN 102452084A CN 2011103079609 A CN2011103079609 A CN 2011103079609A CN 201110307960 A CN201110307960 A CN 201110307960A CN 102452084 A CN102452084 A CN 102452084A
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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 is through the slip chaetas such as cutting off beard of inner blade with outer blade.
Background technology
General electric shaver moves chaetas such as cutting off beard through the inner blade that the power based on motor moves with respect to outer blade.For example, in the electric shaver shown in the patent documentation 1, outer blade is maintained on the outer blade framework.Said outer blade framework can remain on up or down and keep on the framework.Said maintenance framework possesses opposed facing a pair of shortwall and opposed facing a pair of longwell.In shortwall, near more from the opening that inserts outer blade framework, the thickness of this shortwall is just thick more.Said 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 the main part.
As stated, in the manufacturing of said electric shaver, need carry out outer blade framework is installed in the assembling operation that keeps on the framework.As outer blade framework being remained on the structure that keeps on the framework, said 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 the outer blade framework with the chimeric form of this pilot hole.
If outer blade framework is inserted in the maintenance framework, floor will be pushed the inner surface of two shortwalls and these two inner surfaces are separated from each other.When making floor reach the height of pilot hole of maintenance framework further inserting outer blade framework, floor and pilot hole are chimeric.Thus, completion is installed in outer blade framework the assembling operation that keeps on the framework.In other assemble methods,, in this state outer blade framework is inserted in the maintenance framework so that two approaching external blade frameworks of form of longwell apply external force and two shortwalls are fully left.
In other electric shavers, fitting portion for example is set outside, on the longwell of blade framework at the fitting portion that keeps being provided with on the framework subject side corresponding with this fitting portion.Specifically, shown in figure 15, outer blade framework 101 possesses the hook 103 that is formed on longwell 102 outer surfaces.Keep framework 110 to possess the pilot hole 114 that is 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 among Figure 15 is for being installed in 1 in a plurality of outer blade framework that keeps on the framework 110.
In general, keep the intensity of framework 110 to be set at, 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 in the maintenance framework 110 when keeping outer blade.Covering outer blade and outer blade framework 101 when keeping framework 110 to keep outer blade framework 101 protects it.
In the formation of Figure 15, keep on the framework 110 for outer blade framework 101 is assembled in, and outer blade framework 101 is inserted in the maintenance framework 110.So hook 103 slides on the inner surface of the longwell 111 that keeps framework 110.At this moment, hook 103 is pushed longwell 111 inner surfaces that keep framework 110.Through 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, the assembling operation of accomplishing external blade framework 101 and keeping framework 110.
In addition, the length direction size of outer blade framework 101 is set at the wall spacing of the shortwall 115 that keeps framework 110 roughly the same.Therefore; In the formation of Figure 15; Can't take following assemble method:, under the state that two longwells 111 that make maintenance framework 110 fully leave, outer blade framework 101 is inserted in the maintenance frameworks 110 so that two shortwall 115 approaching forms apply external force from the outside to maintenance framework 110.This be because, if compression shortwall 115 and make and keep two longwells 111 of framework 110 fully to leave will cause the wall spacing of shortwall 115 big or small smaller or equal to the length direction of outer blade framework 101.
Patent documentation 1: TOHKEMY 2009-18058 communique
In above-mentioned patent documentation 1 described formation, in order to ensure the distance between the shortwall outer blade framework can be inserted, need firmly outer blade framework to be pushed to the maintenance framework, perhaps need on two longwells, apply above-mentioned external force largely.Further, as stated, shortwall forms the insertion oral-lateral thickening gradually that inserts outer blade framework along with relying on.Therefore, make the insertion oral-lateral of the outer blade framework of insertion that keeps framework deform, promptly be difficult to make two shortwalls fully to leave along with the insertion of outer blade framework.Like this, the maintenance framework does not have to constitute 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, through being inserted, outer blade framework 101 keeps in the framework 110 as stated, and the hook 103 of outer blade framework 101 is held longwell 111 inner surfaces of framework 110 and pushes to the inside.So, make the longwell 102 of whole outer blade framework 101 crooked to the inside through linking up with 103.In addition, because the intensity of above-mentioned outer blade framework 101 is less than maintenance framework 110 and this longwell 102 areas are bigger, so the distortion to the inside easily of this longwell 102.Therefore, under the state that this longwell 102 is out of shape to the inside, be difficult to successfully assemble.
Owing to be not to keep framework 110 to deform, but outer blade framework 101 deforms, so the outer blade that is installed on the outer blade framework 101 carries the load by this distortion generation easily, the feasible possibility that causes outer blade to be out of shape because of assembling is very high.
Summary of the invention
The objective 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 said outer blade; With integrally formed maintenance framework, it has opposed facing a pair of shortwall and opposed facing a pair of longwell, and said a pair of shortwall is clamped in said outer blade framework therebetween, it is characterized in that each shortwall possesses: middle body; The linking portion of said shortwall and said a pair of longwell, this linking portion is positioned at the both sides of said middle body; With low rigid portion; It is formed between said middle body and the said linking portion; Rigidity that should low rigid portion is lower than said middle body, so that increase with the addendum modification of the wall spacing of the corresponding said a pair of shortwall of addendum modification of the wall spacing of said a pair of longwell.
In an example, said outer blade framework inserts from the insertion mouth of said maintenance framework, and the thickness of the insertion oral-lateral of maintenance framework said low rigid portion, said forms thinlyyer than said middle body, thereby makes said low rigid portion have lower rigidity.
In an example, said low rigid portion is tabular or membranaceous, and this low rigid portion blade framework outside said shortwall, said will be thinner than said middle body to the gamut of the direction of insertion of said maintenance framework.
In an example, each longwell comprises the portion of extending, and this extends portion and extends laterally along said longwell from the said linking portion of longwell and shortwall.
Preferably, above-mentioned electric shaver further possesses linking part, and it links said portion and the said shortwall of extending.
Preferably, said linking part is arranged on insertion oral-lateral said maintenance framework, that insert said outer blade framework.
Preferably, above-mentioned electric shaver further possesses: the 1st fitting portion, its be formed on said outer blade framework, when the blade framework is maintained on the said maintenance framework outside this and on the corresponding position of said middle body of said shortwall; With the 2nd fitting portion, it is formed on the said middle body of said shortwall, and the blade framework is maintained under the state on the said maintenance framework outside said, and said the 2nd fitting portion and said the 1st fitting portion are chimeric.
In an example; Side in said the 1st fitting portion and the 2nd fitting portion comprises protuberance; The opposing party comprises and said protuberance corresponding concave part; The said fitting portion that comprises said protuberance forms, the direction strain that the direction of can court inserting to said maintenance framework with said outer blade framework is intersected.
In addition, preferably, in above-mentioned formation, possess thin crosspiece, link between its end said two shortwalls, opposite sides with the said outer blade frame side of insertion.
In addition, preferably, in above-mentioned formation, possess cover, this covers under the state that the surface that makes said outer blade exposes, from keep said outside the periphery of said maintenance framework of blade framework should keep framework to cover.
Based on the present invention, it is easy that the assembling operation of electric shaver becomes.
Description of 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 vertical 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 sketch map of the shortwall when outer blade framework is installed.
Figure 12 is the effect sketch map of the maintenance framework that in the past constituted.
Figure 13 is the effect sketch map of the 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 and the stereogram of outer blade framework in the past.
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 ... Extend portion, 28 ... Linking part, 30 ... Inner blade, 40 ... Outer blade, 41 ... Outer blade framework, 42 ... Floor (the 1st fitting portion), 50 ... Cover.
The specific embodiment
Below, with reference to Fig. 1～Figure 13, the embodiment that electric shaver of the present invention is specialized is described.In following explanation, 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, from the upside of the main part 10 blade holder portion 5 of packing into.Outer peripheral face at said main part 10 is formed with the handle portion 11 that supplies user's handling.The right flank of said handle portion 11 is provided with the switch portion 12 that is used to operate.Be formed with body head 13 on the top of main part 10, this body head 13 is covered by blade holder portion 5 when electric shaver uses.Before and after the upper surface of said body head 13, be disposed with pair of vibrator 14.Switch portion 12 1 is operated, and vibrator 14 just is located at the driving of the motor (diagram summary) on the main part 10 and is vibrated along left and right directions through interior.
As shown in Figure 3, the left surface of main part 10 is provided with main body side operating portion 15.At length say, as shown in Figure 4, be formed with the 1st fastener 16 with main body side operating portion 15 one at the upside of main body side operating portion 15.Said the 1st fastener 16 is to form approximate L font from the outstanding laterally form of the left surface of body head 13.In addition, shown in the upper left circle of 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 in be located at body head 13 helical spring 19 elastic force laterally (side opposite) with body head 13 suppress.On main part 10 and the side-prominent anti-delinking part 9 that makes progress engage with main body side operating portion 15, thereby prevent that main body side operating portion 15 from coming off from main part 10.On the top of main body side operating portion 15 by to main part 10 side pressing operations the time, or be applied to two the 1st 16 last times of fastener in the external force of body head 13 sides, the elastic force of the 1st fastener 16 and main body side operating portion 15 opposing helical springs 19 is kept out of the way to body head 13 sides.Then, after the external force to the 1st fastener 16 or main body side operating portion 15 was disengaged, the 1st fastener 16 and main body side operating portion 15 returned to outstanding state through 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 with 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 site 18 on the corresponding position.Said finger contact site 18 forms as one with main part 10.
As shown in Figure 1, above this main part 10, the blade holder portion 5 of covering shape is being installed on the main part 10, 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 constitute blade holder portion 5.
< outer blade cartridge >
< maintenance 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.An external blade framework 41 can be installed in inside keeping framework 20.Be formed for inserting the opening of outer blade framework 41 or insert mouth by the lower limb of wall 21 and 22 in the lower end that keeps framework 20.
As shown in Figure 6, on each shortwall 21, be formed with the low rigid portion 23 that links with longwell 22, 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, on maintaining part 24, be formed with thickness direction that runs through shortwall 21 and the pilot hole 24a that extends along the vertical direction.In embodiment illustrated, each shortwall 21 all has 2 pilot hole 24a, and these pilot holes 24a is formed on the front side and the rear side of maintaining part 24 respectively.Blade framework 41 outside the inboard of two maintaining parts 24 can be inserted.Pilot hole 24a forms, 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.Said thin crosspiece 25 links together the upper end of two maintaining parts 24.
As shown in Figure 5, extend the part for releasing 26 of L font from the lower end of each maintaining part 24.Part for releasing 26 is formed with frame side operating portion 26b vertical with flexure strip 26a and that extend laterally by the flexure strip 26a that extends downwards.On each flexure strip 26a, be formed with through hole 26c.
Each longwell 22 comprises more will be to the portion that extends 27 right-hand and that left extends than the linking portion of longwell 22 and shortwall 21.Extend portion 27 through formation, two ends of low rigid portion 23 are by longwell 22 secure, promptly low rigid portion 23 can't be shifted along left and right directions in fact.This is specified hereinafter.
Like Fig. 5 and shown in Figure 6, form the bight by the inner surface of the portion of extending 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 set on the part of low rigid portion 23, particularly keeps the downside of framework 20, promptly is used to insert the insertion oral-lateral of the 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.
< cover >
As shown in Figure 7, cover 50 forms the tubular that the periphery that keeps framework 20 is covered.That is to say, cover the peristome 51 and the corresponding formation of periphery that keeps framework 20 of 50 upsides.The lower edge of covering the sidewall 52 of 50 left and right sides is formed with breach 53.Upper surface and two corresponding formation in side of breach 53 and the frame side operating portion 26b that keeps 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 get into the through hole 26c that keeps framework 20 from the outside.
Be formed with recess 55 in front side 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 get into two recesses 55.
Below, the assemble method of electric shaver is explained.
As shown in Figure 5, at first, be assemblied on the maintenance framework 20 through the outer blade framework 41 that outer blade 40 will be installed, 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, Yi Bian make the frame side operating portion 26b of outer blade cartridge 6 pass cover 50 breach 53, on one side with outer blade cartridge 6 from covering 50 lower ending opening insertion.At this moment, being arranged at cover 50 inner hooks 54 slides on the outer surface of maintaining part 24.Then, as shown in Figure 9, under the state of the inner top surface butt of the upper surface of frame side operating portion 26b and breach 53, the leading section of each hook 54 ends among the through hole 26c of flexure strip 26a from outside card.End through this card, keep framework 20 and then outer blade cartridge 6 to be fixed to the state that is installed in the cover 50.Thereby accomplish the assembling of tool setting horse portion 5.
In this state, to pass breach 53 outstanding to the outside from covering 50 for the front end of two frame side operating portion 26b.Blade cartridge 6 and cover applied these two external force that frame side operating portion 26b clamps the frame side operating portion 26b that is positioned at the left and right sides during 50 be connected except separating, and made two flexure strip 26a strain to the inside.Thus, two hooks 54 are broken away 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 the main part 10, just can accomplish assembling to electric shaver.Specifically, as shown in Figure 1, at first, respectively the 2nd fastener 17 buttons are hung in two recesses 55 on cover 50 right sides.Then, the left side with blade holder portion 5 covers on the main part 10.Thus, the 1st fastener 16 is pressed towards the inner surface of cover 50, and on this inner surface, slides.At this moment, the elastic force of the 1st fastener 16 opposing helical springs 19 is kept out of the way to the inside.Then, 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 through the elastic force of helical spring 19.Thus, cover 50 and then blade holder portion 5 are ended on main part 10 by card.Thereby, accomplish of the installation of blade holder portion 5 to main part 10.
In addition, as shown in Figure 3, be installed in 10 last times of main part in blade holder portion 5, main body side operating portion 15 is in the form of the operation that can be pressed and exposes state.Through pushing main body side operating portion 15, the 1 fasteners 16 inboard of submerging.Thus, the 1st fastener 16 breaks away from from recess 55, with the order opposite with said sequence blade holder portion 5 is unloaded from main part 10.
In the electric shaver with above-mentioned assembled in forms, through switch portion 12 being operated when making vibrator 14 be in open mode, the inner blade 30 inner surface upper edge left and right directions of blade 40 outside moves back and forth.In this state, through the surface pressure with outer blade 40 on skin, make enter into inner blade 30 and outside chaetas such as beard between the blade 40 be cut off.At this moment, keep in the framework 20 because each outer blade framework 41 is supported in the form that can move up and down, in addition blade 40 can be shifted according to the shape of skin.
At last, externally the assemble method of blade cartridge 6 is elaborated.
As shown in Figure 5, the outer blade framework 41 that will possess outer blade 40 is from side direction maintenance framework 20 insertions down.Say that at length the form that the floor 42 of blade framework 41 is corresponding with the pilot hole 24a that keeps framework 20 is respectively in addition inserted outer blade framework 41 in the insertion mouth that keeps framework 20.At this; The maintenance framework 20 usually time the such as strain does not take place in, the wall spacing of two shortwalls 21 (two maintaining parts 24 of saying so exactly) be set to floor 42 on being positioned at left and right directions outer blade framework 41 big or small roughly the same.So, when inserting outside two floors 42 of blade framework 41 with the outside thruster of the inner surface of shortwall 21.Thus, when shortwall 21 was shifted laterally, longwell 22 was shifted to the inside.At this moment, the elastic force through shortwall 21 is applied on the floor 42 pressure towards the inboard.
Schematically show the effect of shortwall 21 this moment with Figure 11.For illustrated effect and effect below clear and definite, though the shape that the shape of the maintenance framework 20 shown in Figure 11 and Fig. 6 etc. illustrate is slightly different, yet even the formation of Fig. 6 etc. also can obtain effect identical with Figure 11 and effect.
The end that the low rigid portion 23 of the scope A enlarged and displayed of Figure 11 is connected with longwell 22.Extend portion 27 through formation, the low rigid portion 23 of restriction 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.When displacement took place for the state of above-mentioned maintenance framework 20 when common and shortwall 21, said angle θ 1 was roughly the same angle.Then, when displacement took place shortwall 21, the upper section concentrated area of the scope A of low rigid portion 23 was crooked laterally.In order to compare, be illustrated in the distortion that shortwall 21 in the formation in the past that extends portion 27 and low rigid portion 23 is not set with the double dot dash line among Figure 11.Based on the formation of this embodiment, in that being pushed, outer blade framework 41 keep the power of framework 20 to be made as under the identical situation, compare with constituting in the past, shortwall 21 is shifted more laterally.Specifically, in constituting, shown in amplifying in the circle of scope A, the angle θ 1 of the end of longwell 22 sides of shortwall 21 and longwell 22 formation little by little diminishes along with the displacement of shortwall 21 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 do not having setting to extend under the situation of portion 27.Therefore, though shortwall 21 bends to convex-shaped surface laterally in constituting in the past, this moment, the degree of crook of shortwall 21 was littler than the low rigid portion 23 of this embodiment.Because shortwall 21 integrally bendings in constituting are positioned at the inboard so compare the part that is equivalent to maintaining part 24 with this embodiment in the past.In this, in this embodiment, concentrate bending through 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 with the wall spacing of corresponding two maintaining parts 24 of reduction of the wall spacing of two longwells 22 become bigger.Therefore, can make two maintaining parts 24 fully leave and outer blade framework 41 is filled in the maintenance framework 20 with less thrust.
Through keeping framework 20 displacement laterally largely, the elastic force that can reduce through shortwall 21 is applied to the pressure on the floor 42.Therefore, can be outer blade framework 41 be inserted and keep in the frameworks 20, and the distortion of the floor 42 that can suppress to cause because of said pressure etc.
With above-mentioned the same, linking part 28 limits the distortion (bending) of this end through supporting with the end that longwell 22 is connected from the outside to low rigid portion 23.Therefore, can positively bring into play illustrated effect with reference to above-mentioned Figure 11.
At this, the rigidity of maintaining part 24 exceeds the amount corresponding amount thicker than this low rigid portion 23 with this maintaining part 24 than low rigid portion 23.Therefore, also can suppress the flexural deformation of maintaining part 24 even carried out laterally when crooked in low ends rigid portion 23, maintaining part 24 sides.Thus, can make maintaining part 24 keep posture, and then the floor of stating after making 42 become easy to the chimeric of pilot hole 24a along fore-and-aft direction.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 can floor 42 be called protuberance and recess respectively with pilot hole 24a.
Further, extend portion 27, can limit maintenance framework 20 and be shifted to shear direction through setting.At length say, 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 be that pivot rotates with the linking part of this shortwall 21 and longwell 22.Therefore, shown in the double dot dash line among Figure 12, when inserting outer blade framework 41 in the 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 is inserted maintenance frameworks 20.In this, in this embodiment, as stated, through of the rotation of the low rigid portion 23 of the portion's of extending 27 restrictions with respect to longwell 22.Therefore, can limit maintenance framework 20 image patterns 12 that kind,, keep in the frameworks 20 thereby can successfully outer blade framework 41 be inserted along the shear direction displacement.
As shown in Figure 5, when two shortwalls 21 were expanded laterally, the upper end of these shortwalls 21 linked together through thin crosspiece 25.So, can be in the upper end of shortwall 21 not laterally under the state of expansion, make the lower end that all acts on shortwall 21 via the power of the expansion of floor 42.Therefore, can make the lower end of shortwall 21, promptly keep the wall spacing of shortwall 21 of inserting side of the outer blade framework 41 of framework 20 further to increase.Therefore, can more successfully assemble.
Like this, Yi Bian outer blade framework 41 is shifted shortwall 21 laterally, keep in the framework 20 Yi Bian be embedded in.Then, floor 42 1 reaches the height of the pilot hole 24a of shortwall 21, and this floor 42 just is entrenched among the pilot hole 24a.Like this, an external blade framework 41 1 is mounted, and just can accomplish the assembling of tool setting film magazine 6.At this moment, outer blade framework 41 can be with respect to keeping framework 20 to be held along the form that pilot hole 24a moves up and down with said floor 42.
As the assemble method of outer blade cartridge 6, be not limited in as above-mentioned outer blade framework 41 is pressed into the method that keeps in the framework 20.Shown in figure 13, for example the assembler applies compression stress to the outer surface of two longwells 22, so that these two longwells 22 are approaching.Thus, with above-mentioned outer blade framework 41 is pressed into when keeping in the framework 20 the same, low rigid portion 23 laterally in the flexing maintaining part 24 be shifted laterally.At this, when being applied with compression stress on the central portion on the left and right directions of longwell 22, shown in the double dot dash line among Figure 13, two longwells 22 bend to the conic section shape.That is to say, maximum in the amount of deflection of central portion described in the longwell 22.At this moment, the portion that extends 27 of two longwells 22 (side opposite) warpage laterally with shortwall 21.
At this, low rigid portion 23 and extend portion 27 and be bonded portion 28 and link together.Therefore, through making the portion's of extending 27 warpages, low rigid portion 23 and then maintaining part 24 are pushed to the outside.In addition, linking part 28 is formed on the insertion oral-lateral (Fig. 5 waits downside) of the maintenance framework 20 that is used to insert outer blade framework 41.Therefore, the wall spacing of the shortwall 21 (say so exactly and keep framework 20) of the insertion oral-lateral that inserts outer blade framework 41 is increased.In this state, outer blade framework 41 is inserted in the maintenance framework 20.Then, when floor 42 reaches the height of pilot hole 24a of shortwall 21, remove compression stress with respect to above-mentioned longwell 22.Thus, floor 42 is entrenched among the pilot hole 24a, accomplishes assembling.
In said assemble method, because blade framework 41 outside can under the state of the wall spacing of having guaranteed shortwall 21, inserting, so can reduce contacting of floor 42 and shortwall 21 inner surfaces.In addition, with above-mentioned constituted in the past compare, maintaining part 24 is shifted till the position of outside can inserting blade framework 41 laterally.This be because, as in the above-mentioned assemble method with reference to Figure 11 illustrated, have low rigid portion 23 and extend formation such as portion 27.In addition, shown in the dotted arrow of Figure 13, even in two compression stresses of the longwell 22 of longwell that acts on upside 22 and downside occurring also can suppressing image pattern 12 that kind under the inconsistent situation on the left and right directions, be out of shape along shear direction.Therefore, this assemble method also can make the assembling operation of outer blade cartridge 6 become easy.
More than, based on the embodiment of having explained, can obtain following action effect.
(1) outer blade framework 41 is sandwiched between the shortwall 21 that keeps framework 20.Keep 20 last times of framework in that outer blade framework 41 is installed in, need make shortwall 21 separated from one another.The low rigid portion 23 that is formed on the shortwall 21 forms thinlyyer than the maintaining part 24 of shortwall 21.Therefore, the rigidity of low rigid portion 23 is lower and should low rigid portion 23 crooked easily than maintaining part 24.Therefore, low rigid portion 23 can make the addendum modification with the wall spacing of corresponding two shortwalls 21 of addendum modification of the wall spacing of two longwells 22 increase.Thus, with outer blade framework 41 when keeping framework 20 to install, can easily make till the position of two shortwalls, 21 displacements blade framework 41 outside can inserting.Therefore, outer blade framework 41 is more prone to the installation exercise that keeps framework 20, and then the assembling operation of electric shaver is 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 when keeping in the framework 20 outside, through hanging down rigid portion 23 flexing laterally, impels maintaining part 24 separated from one another.Thus, outer blade framework 41 is 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 on the low rigid portion 23 (ends of said maintaining part 24 sides of saying so exactly).Can suppress rigidity occurs bending and deformation than low rigid portion 23 high maintaining parts 24.Thus, can suppress pilot hole 24a and tilt, thereby can more successfully floor 42 be embedded among the pilot hole 24a with respect to the approach axis of floor 42.
(3) on longwell 22, be formed with than be attached at the portion that extends 27 that himself two shortwalls 21 extend more laterally.Thus, two of shortwall 21 involved 22 supportings of longwell that the portion of extending 27 is arranged of end face.Therefore, can limit shortwall 21 (the said low rigid portion 23 of saying so exactly) end is shifted with respect to longwell 22.Thus, do not bend under the state of conic section shape at whole shortwall 21, these low rigid portion 23 concentrated areas are crooked laterally.Therefore, the wall spacing of maintaining part 24 is increased.Thus, outer blade framework 41 is more prone to the installation exercise that keeps framework 20, and then the assembling operation of electric shaver is more prone to.
(4) blade framework 41 is inserted into when keeping in the framework 20 outside, and along with two shortwalls 21 are separated from each other, two longwells 22 bend to the conic section shape with the mutual approaching form of the central portion of these two longwells 22.At this moment, extend portion 27 and push shortwall 21 (the said low rigid portion 23 of saying so exactly) to the outside through linking part 28.Therefore, can impel two separation between the low rigid portion 23.Thus, outer blade framework 41 is more prone to the installation exercise that keeps framework 20, and then the assembling operation of electric shaver is more prone to.
Because shortwall 21 is securely fixed on the longwell 22 through linking part 28, thus the same with above-mentioned (3), can make low rigid portion 23 concentrated areas crooked laterally.As stated, the wall spacing of maintaining part 24 is increased, thereby outer blade framework 41 is more prone to the installation exercise that keeps framework 20.
(5) keep framework 20, insert outside the insertion oral-lateral of blade framework 41 be formed with linking part 28.Therefore, when inserting outer blade framework 41 in the maintenance framework 20, the wall spacing of two shortwalls 21 is along with the insertion oral-lateral that relies on the outer blade framework 41 of insertion that keeps framework 20 becomes big gradually.Therefore, can be suppressed at when inserting outer blade framework 41 in the maintenance framework 20 and should interfere with the end face of shortwall 21 by outer blade framework 41 (particularly floor 42), thereby can make outer blade framework 41 to keeping framework 20 installation exercises to be more prone to.
(6) be entrenched togather through floor 42 and pilot hole 24a, outer blade framework 41 is can the form of moving up and down being maintained in the maintenance framework 20.Can outer blade framework 41 be installed to through this simple structure and keep in the framework 20.
(7) through thin crosspiece 25, can suppress maintaining part 24, be shifted laterally with the position of the opposite side of insertion oral-lateral of inserting outer blade framework 41.So, the wall spacing of the maintaining part 24 of the insertion oral-lateral that inserts outer blade framework 41 is increased and the corresponding amount of above-mentioned repressed amount.Thus, outer blade framework 41 is more prone to the installation exercise that keeps framework 20.
(8) because through above-mentioned low rigid portion 23, extend formation such as portion 27 maintaining part 24 be shifted more laterally, so the elastic force that can reduce through shortwall 21 is applied to the pressure on the floor 42.Therefore, can suppress the distortion etc. of floor 42.Further, need not to adopt the formation that makes the pressure reduction that is applied on the floor 42.Therefore, can constitute outer blade framework 41 more simply.
(9) under cover 50 the states that expose on the surface of blade 40 outside making the periphery of outer blade cartridge 6 is covered.Thus, owing to can protect the shortwall 21 that comprises the 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 breakage and can improve the design of electric shaver through covering 50.
In addition, above-mentioned embodiment also can be implemented according to the following mode of this mode having been done suitable change.
In the above-described embodiment, outer blade framework 41 is inserted into the maintenance framework 20 from downside.Yet, also can constitute, outer blade framework 41 is inserted the form that keeps the framework 20 from upside.In this formation, linking part 28 be set at the outer blade framework 41 of insertion that keeps framework 20 the insertion oral-lateral, be upside.In addition, need thin crosspiece 25 be arranged on 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 set at the insertion oral-lateral of the maintenance framework 20 that inserts outer blade framework 41.Yet 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 the opposite side warpage of 27 courts of the portion of extending and 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, blade framework 41 is provided with floor 42 outside, keeps framework 20 to be provided with pilot hole 24a.Then, through floor 42 is chimeric with pilot hole 24a, outer blade framework 41 is maintained at and keeps on the framework 20.Yet, be not limited in above-mentioned formation, be maintained at the form that keeps on the framework 20 as long as constitute outer blade framework 41.For example, also on the blade framework 41 pilot hole 24a is set outside, is keeping on the framework 20 floor 42 being set.In addition, also can omit floor 42 and pilot hole 24a, and keep outer blade framework 41 through the elastic force that keeps framework 20.
In the above-described embodiment, floor 42 is fixed on two sides of outer blade framework 41.Yet, also can with floor constitute can strain form.Specifically, 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 said through hole 61 and floor 60 is linked together by board 62.If push floor 60 to the inside, will make board 62 generation strains and make the front of floor 60 get into through hole 61.In the example of Figure 14, outer blade framework 41 is from side direction maintenance framework 20 insertions down.Thus, through the front end and the end face butt that keeps framework 20 of floor 60, can successfully outer blade framework 41 be inserted in the maintenance framework 20.Like this, through floor 60 is constituted can strain form, can relax in the interference of outer blade framework 41 being inserted floor 60 and shortwall 21 when keeping in the frameworks 20, thereby can more successfully assemble.Pilot hole is set on the blade framework 41 outside and under the situation that floor is set on the maintenance framework 20, also can obtains same effect.
In the above-described embodiment, blade holder portion 5 carries out will cover 50 forms that are installed on the main part 10 to the installation of main part 10.Yet,, also can constitute keeping framework 20 to be installed in the form on the main part 10 as long as keep the formation of framework 20 and outer blade framework 41 identical.Specifically, keeping being provided with chimeric chimeric mechanism each other between framework 20 and the main part 10, chimeric the making through these chimeric mechanisms keeps framework 20 to be installed on the main part 10.In this case, also can omit and be arranged at outer blade cartridge 6 and cover chimeric mechanism between 50 (through hole 26c and link up with 54).
Also can constitute, not be to omit to be arranged at outer blade cartridge 6 and to cover the chimeric mechanism between 50, but omit the form that is arranged at the chimeric mechanism (the 1st fastener the 16, the 2nd fastener 17 and recess 55) between cover 50 and the main part 10.In this case, cover 50 is not to be installed on the main part 10, but is installed on the maintenance framework 20 that is assemblied on this main part 10.That is to say that cover 50 is fixed on the main part 10 through keeping framework 20.
Further, also can constitute, under the state that cover 50 is installed on the body head 13, can outer blade cartridge 6 be installed in the form on the top of cover 50.In this formation, be provided with the top of cover 50 and the mutual chimeric chimeric mechanism in bottom of outer blade cartridge 6.
Through constituting above-mentioned can also can omitting and cover 50 with keeping framework 20 to be installed in the form on the main part 10.
In the above-described embodiment, low rigid portion forms identical thinness on above-below direction.Yet the insertion oral-lateral (Fig. 1 waits downside) that also can only will insert the maintenance framework 20 of outer blade framework 41 forms than unfertile land.In this formation, with outer blade framework 41 when keeping framework 20 to insert, can make the wall spacing of the shortwall 21 (maintaining part 24) of said downside increase the amount identical at least with above-mentioned embodiment.So it is easy that assembling operation becomes.
Also can constitute, omit the form of the portion that extends 27 in the above-mentioned embodiment.Even in this case, because blade framework 41 can increase the wall spacing of two maintaining parts 24 through low rigid portion 23 when keeping framework 20 to insert outside, so also can make the assembling of outer blade cartridge 6 become easy.
Also can constitute the form of omitting linking part 28 and thin crosspiece 25.That is to say that also can the portion of extending 27, linking part 28 and thin crosspiece 25 all be omitted, the parts that perhaps also can make up as required wherein constitute.No matter which kind of constitutes, and is all the same with above-mentioned embodiment, makes the assembling of outer blade cartridge 6 become easy through low rigid portion 23.
Though in the above-described embodiment, on fore-and-aft direction, dispose blade 40 outside 2, yet externally the quantity of blade 40 and the inner blade 30 corresponding with this outer blade 40 is unqualified, also can be odd number perhaps more than 3.In addition, the externally shape of the curved surface of blade 40 outer surfaces and the detailed not special qualification of structure, for example outer blade also can be the slit blade.
In the above-described embodiment, through the thickness attenuation that makes low rigid portion 23 rigidity of low rigid portion 23 is reduced.Yet as long as the rigidity of low rigid portion 23 is reduced, the thickness of low rigid portion 23 also can be identical with maintaining part 24.For example, also can form under the situation identical with the thickness of maintaining part 24 at the thickness that will hang down rigid portion 23, different through the material that makes low rigid portion 23 and maintaining part 24, the rigidity that makes low rigid portion 23 is less than maintaining part 24.Even this formation also can obtain the effect identical with above-mentioned Figure 11.
Claims (10)
1. electric shaver possesses:
Outer blade, it covers reciprocating inner blade;
The outer blade framework of fixing said outer blade; With
Integrally formed maintenance framework, it has opposed facing a pair of shortwall and opposed facing a pair of longwell,
Said a pair of shortwall is clamped in said outer blade framework therebetween,
It is characterized in that each shortwall possesses:
Middle body;
The linking portion of said shortwall and said a pair of longwell, this linking portion is positioned at the both sides of said middle body; With
Low rigid portion; It is formed between said middle body and the said linking portion; Rigidity that should low rigid portion is lower than said middle body, so that increase with the addendum modification of the wall spacing of the corresponding said a pair of shortwall of addendum modification of the wall spacing of said a pair of longwell.
2. electric shaver according to claim 1 is characterized in that,
Said outer blade framework inserts from the insertion mouth of said maintenance framework, and the thickness of the insertion oral-lateral of maintenance framework said low rigid portion, said forms thinlyyer than said middle body, thereby makes said low rigid portion have lower rigidity.
3. electric shaver according to claim 2 is characterized in that,
Said low rigid portion is tabular or membranaceous, and this low rigid portion blade framework outside said shortwall, said will be thinner than said middle body to the gamut of the direction of insertion of said maintenance framework.
4. according to any described electric shaver in the claim 1～3, it is characterized in that,
Each longwell comprises the portion of extending, and this extends portion and extends laterally along said longwell from the said linking portion of longwell and shortwall.
5. electric shaver according to claim 4 is characterized in that,
Further possess linking part, it links said portion and the said shortwall of extending.
6. electric shaver according to claim 5 is characterized in that,
Said linking part is arranged on insertion oral-lateral said maintenance framework, that insert said outer blade framework.
7. according to any described electric shaver in the claim 1～3, it is characterized in that,
Possess: the 1st fitting portion, its be formed on said outer blade framework, when the blade framework is maintained on the said maintenance framework outside this and on the corresponding position of said middle body of said shortwall; With
The 2nd fitting portion, it is formed on the said middle body of said shortwall, and the blade framework is maintained under the state on the said maintenance framework outside said, and said the 2nd fitting portion and said the 1st fitting portion are chimeric.
8. electric shaver according to claim 7 is characterized in that,
Side in said the 1st fitting portion and the 2nd fitting portion comprises protuberance, and the opposing party comprises and said protuberance corresponding concave part,
The said fitting portion that comprises said protuberance forms, the direction strain that the direction of can court inserting to said maintenance framework with said outer blade framework is intersected.
9. according to any described electric shaver in the claim 1～3, it is characterized in that,
Possess thin crosspiece, link between its end said two shortwalls, opposite sides with the said outer blade frame side of insertion.
10. according to any described electric shaver in the claim 1～3, it is characterized in that,
Possess cover, this covers under the state that the surface that makes said outer blade exposes, from keep said outside the periphery of said maintenance framework of blade framework should keep framework to cover.
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 true CN102452084A (en) | 2012-05-16 |
| CN102452084B 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 |
| JP2000157756A (en) * | 1998-11-30 | 2000-06-13 | Sanyo Electric Co Ltd | 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 |
Family Cites Families (4)
| 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 |
| 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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| 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 |
| JP2000157756A (en) * | 1998-11-30 | 2000-06-13 | Sanyo Electric Co Ltd | 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 |
|---|---|
| JP2012081204A (en) | 2012-04-26 |
| JP5603198B2 (en) | 2014-10-08 |
| CN102452084B (en) | 2014-09-17 |
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