WO2012005082A1 - 往復式電気かみそり - Google Patents
往復式電気かみそり Download PDFInfo
- Publication number
- WO2012005082A1 WO2012005082A1 PCT/JP2011/063453 JP2011063453W WO2012005082A1 WO 2012005082 A1 WO2012005082 A1 WO 2012005082A1 JP 2011063453 W JP2011063453 W JP 2011063453W WO 2012005082 A1 WO2012005082 A1 WO 2012005082A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- driver
- blade
- reciprocating
- inner blade
- rotary motor
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
- B26B19/288—Balance by opposing oscillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
Definitions
- the head portion 3 includes a head portion main body 70 attached to the grip portion main body 21 and a blade frame portion 30 that is detachably attached to the head portion main body 70.
- the net blades 51a, 51b, 51d are all along the front-rear direction (short direction) X so that the upper side is convex in a side view (when the outer blade is viewed in the left-right direction Y). And curved in an inverted U shape. Furthermore, the net blades 51a, 51b, 51d are formed to be slightly curved along the left-right direction (longitudinal direction) Y so that the upper side is convex when viewed from the front (when the outer blade is viewed in the front-rear direction X). Yes. In the present embodiment, the net blades 51a, 51b, 51d are curved so that the upper side is convex in a front view, but it is not always necessary to bend.
- the outer blade cassette 50 is mounted so as to be capable of reciprocating with respect to the finishing net blade 51b while the finishing inner blade 54b is attached to the base 56b, and the slit inner blade 54c. Is mounted on the base 56c so as to be reciprocally movable with respect to the slit blade 51c (see FIG. 3).
- outer blade frames 53c to which the slit blades 51c are attached are arranged at both ends in the Y direction, and the inner blade push-up spring 55c is interposed between the outer blade frames 53c in the Y direction.
- a base 56c is attached so as to be able to reciprocate.
- the outer blade unit 52c is formed by attaching the slit blade 51c to the outer blade frame 53c in the state covered from the upper side of the slit inner blade 54c.
- the outer blade unit 52b attaches the outer blade frame 53b to which the finishing net blade 51b is attached to the skin guard member 58, and moves the finishing inner blade 54b attached to the base 56b upward by the inner blade push-up spring 55c. It is formed by disposing it below the finishing net blade 51b in a biased state (see FIG. 3).
- the release button 59 c of the outer blade frame 59 is provided so that the tip protrudes outward from the outer surface of the outer peripheral frame 60 when the outer peripheral frame 60 is attached. ing. Therefore, if the operation surface 59d at the tip of the left and right release buttons 59c is sandwiched and held inwardly, the elastic pieces 59a on both sides will bend inward, and the engagement between the hook 62 and the through hole 59b will be released, and the outer The attachment of the blade cassette 50 and the outer peripheral frame 60 is released.
- the rotary motor 110 is attached to the support stand 120 in a suspended state.
- the support base 120 includes a bottom wall portion 121 and a fixed side wall portion 122 that is integrally raised from the left and right ends of the bottom wall portion 121, and a screw hole 122 a is formed in the fixed side wall portion 122.
- the support stand 120 is fixed to the head case 71 together with the first and second driver elements 130 and 140 by screwing the fixing screw 190 into the screw hole 122a.
- the conversion mechanism 180 includes a base 181 that is rotatably attached to the rotary shaft 111 of the rotary motor 110 that protrudes from the bottom wall 121 of the support base 120, and a bottom that is eccentrically provided on the base 181 from the rotary shaft 111.
- a lower connecting arm 183 that is attached to the lower eccentric shaft 182 and connects the lower eccentric shaft 182 and the second driver element 140, and a base 184 that is attached to the lower eccentric shaft 182 are provided.
- an upper eccentric shaft 185 that is eccentrically provided on the base 184 from the rotation shaft 111
- an upper connection arm 186 that is attached to the upper eccentric shaft 185 and connects the upper eccentric shaft 185 and the first driver element 130. It is equipped with.
- the fixing blocks 131 and 141 are provided with screw holes 131a and 141a, respectively, and engaging portions (in this embodiment, engaging protrusions 131b and engaging recesses 141b) that are engaged with each other.
- the screw hole 131a and the screw hole 141a communicate with each other in a state where the fixed block 131 is placed above the fixed block 141 and the engagement protrusion 131b and the engagement recess 141b are engaged. Yes.
- the first and second driver elements 130 and 140 are fixed to the head case 71 via the support base 120 by inserting the screw 190 through the screw hole 131a and the screw hole 141a that are communicated with each other.
- the elastic leg 133 has a shape in which a belt-shaped member is folded in half, and one end is connected to the inner upper end of the fixed block 131 and the other end is connected to the outer end of the support frame 132.
- the elastic leg portion 143 has a shape in which a belt-like member is folded in half, and one end is connected to the inner upper end of the fixed block 141 and the other end is connected to the outer end of the horizontal wall portion 142j. Yes. That is, the elastic leg part 143 connects the fixed block 141 and the support frame 142 via the horizontal wall part 142j and the side wall part 142i.
- the inner blade mounting portions 132a and 142a are pressed to press (bias) the inner blades 54a and 54d attached to the inner blade mounting portions 132a and 142a upward (on the side where the inner blade is detached). Raising springs (biasing members) 132b and 142b are provided.
- the elastic legs 133 and 143 are configured such that the outer thickness is thinner than the inner thickness. In this way, the elastic legs 133 and 143 make it easier to swing the support frames 132 and 142 (the inner blade mounting portions 132a and 142a and the inner blade 54) in the left-right direction Y by reducing the outer thickness.
- the first and second driver elements 130 and 140 are increased by the reaction force received from the inner blades 54a and 54d by increasing the inner thickness that is likely to receive the reaction force received from the inner blades 54a and 54d biased upward. Can be prevented from deforming.
- the shape of the elastic leg parts 133 and 143 can be a shape as shown in FIG. 16 or FIG.
- the first driver element 130 causes the inner blade 54a and the finishing inner blade 54b attached to the driving rod 134 to reciprocate integrally, and the second driver element 140 is attached to the inner blade 54d and the driving rod 144.
- the slit inner blade 54c and the drive rod 42 are reciprocated together.
- the inner blade (including the base 56a) 54a, the driving rod 134, the finishing inner blade (including the base 56b) 54b, and the balance adjusting object 150 described later are the first driver 130.
- two inner blades 54 are disposed in the front-rear direction across the rotation axis C of the rotary motor 110, and the two front inner blades and the two rear inner blades are reversed. Reciprocating in phase. In this manner, the first driver 130 and the second driver 140 are reciprocated in opposite phases, thereby reducing vibrations due to inertial force (moment generated around the X axis) in the reciprocating direction.
- the balance adjusters 150 and 160 are attached to the first and second driver elements 130 and 140 via the holding arms 132c and 142c.
- the balance adjustment objects 150 and 160 are attached to the first and second driver elements 130 and 140, the respective center of gravity G1 and G2 of the first and second drive blocks 200 and 210 are changed to the balance adjustment unit 220,
- the center of gravity of the first and second drive blocks without 230 can be made closer to the rotation axis C of the rotary motor 110, and vibration around the rotation axis C can be suppressed.
- the balance adjusters 150 and 160 are moved.
- moments M1 and M2 generated around the rotation axis C of the first and second driver elements 130 and 140 are opposite to each other (M3 and M4 in FIG. 11B). That is, the respective moments (M1 and M3, M2 and M4) are canceled out, and vibration around the rotation axis C can be suppressed.
- the balance adjusters 150 and 160 are formed separately from the first and second driver elements 130 and 140.
- the balance adjusting units 220 and 230 are provided so as to be located between the unit 143 (a range indicated by d3 in FIG. 9).
- the center of gravity G1, G2 of each of the first and second drive blocks 200, 210 can be brought closer to the rotation axis C of the rotary motor 110, and the moment generated around the rotation axis C of the rotary motor 110 during driving. Can be further reduced, and the occurrence of vibration can be suppressed.
- the balance adjuster 160 is horizontally extended from the both ends in the width direction (left-right direction Y) of the horizontal wall 142j of the support frame 142 toward the opposite sides (frontward in the front-rear direction X). It is attached to an arm (arm part) 142c.
- the holding arm (arm part) 132c extending from the first driver element 130 and the holding arm (arm part) 142c extending from the second driver element 140 are in the vertical direction (first and first).
- the positions of the two drive elements 130, 140 in the side-by-side direction X and the direction perpendicular to the reciprocating direction Y) Z are different. That is, in this embodiment, the holding arm (arm part) 132c and the holding arm (arm part) 142c are extended along the front-rear direction X so that the height in the vertical direction is different.
- the holding arms (arm portions) 132c and the holding arms (arm portions) 142c are arranged so as to have different heights in the vertical direction, thereby reducing the size of the first and second drive blocks 200 and 210. ing.
- the center of gravity G1 of each of the first and second drive blocks 200 and 210 is provided.
- G2 can be closer to the rotational axis C of the rotary motor 110 than the center of gravity of the first and second drive blocks when the balance adjusting units 220 and 230 are not provided. That is, the generation of vibration can be suppressed by appropriately setting the lengths and weights of the holding arms 132c and 142c without providing the balance adjusters 150 and 160.
- a screw hole 132e is formed on the front end surface of the holding arm 132c of the first driver element 130, and a mounting hole 151 is formed in the balance adjuster 150 at a position corresponding to the screw hole 132e. Then, the screw 171 is screwed in a state in which the mounting hole 151 of the balance adjuster 150 is in communication with the screw hole 132e of the first driver 130, whereby the balance adjuster 150 is fixed to the first driver 130 and is prevented from coming off. . That is, the balance adjuster 150 is attached to the first driver element 130 from the front of the first and second driver elements 130 and 140 in the parallel direction X.
- the balance adjuster 160 is a substantially T-shaped plate member when viewed from the front, and the mounting hole 161 described above is formed in a substantially central portion.
- the height adjustment positions of the balance adjusters 150 and 160 are substantially the same when they are attached to the first and second driver elements 130 and 140.
- the first and second drive blocks 200 and 210 are designed to be small.
- the balance adjusters 150 and 160 are attached to the first and second driver elements 130 and 140 so that the thickness direction of the plate-like balance adjusters 150 and 160 is the front-rear direction X. Yes.
- the distance (the distance from the center of gravity to the rotation axis C) of the action points of the balance adjusters 150 and 160 can be made as long as possible while suppressing an increase in the dimension in the front-rear direction X, and the first and second drive blocks 200 and 210 can be reduced in size.
- the balance adjuster 150 has notches 152 formed on both the left and right sides, and the balance adjuster 160 also has notches 162 formed on the left and right sides.
- a hook portion 132i may be formed on the holding arm 132c instead of the protrusion 132d, and the balance adjustment object 150 may be engaged with the hook portion 132i.
- the wall portion 132f is formed shorter than the elastic leg portion 133 so as not to block the window portion 132h. Moreover, since this window part 132h is closed by attaching the balance adjustment object 160, it can suppress that the sound which a drive element emits leaks outside.
- the elastic legs of the drive elements 130 and 140 are displayed. It is provided at a position closer to the rotation axis C of the rotary motor 110 than the parts (leg pieces) 133 and 143. Therefore, the distance from the rotation axis C of the rotary motor 110 to the gravity centers G1 and G2 of the drive blocks 200 and 210 is shortened, and the moment around the rotation axis C caused by the reciprocating motion of the respective drive elements 130 and 140 is reduced. be able to.
- the vibration of the reciprocating electric shaver 1 can be suppressed.
- the center of gravity G1, G2 of the first and second drive blocks 200, 210 can be brought closer to the rotation axis C of the rotary motor 110 than when the balance adjusters 150, 160 are not attached. That is, the distance from the rotation axis C of the rotary motor 110 to the center of gravity of each drive block can be shortened, and the moment around the rotation axis C caused by the reciprocating motion of the respective drive elements 130 and 140 can be reduced. . Therefore, it becomes possible to suppress the vibration of the reciprocating electric shaver 1 in which a plurality of driver elements are arranged in parallel.
- the reinforcing wall portions 132f and 142f formed on the driver elements 130 and 140 are applied to the action lines of the reaction force generated by the push-up springs (biasing members) 132b and 142b (of the inner blade mounting portion). Inner blade mounting position) E is formed inside. For this reason, it is possible to reduce the influence of the moment around the Y axis caused by providing the walls 132f and 142f. Furthermore, the deformation of the driver elements 130 and 140 due to the reaction force from the push-up springs 132b and 142b can be suppressed. Further, by reducing the moment generated around the Y-axis, there is an advantage that the weight of the balance adjusters 150 and 160 can be reduced and the drive current can be reduced.
- the moment about the Y axis generated in the elastic legs 133 and 143 due to the reaction force by the push-up springs 132b and 142b can be reduced, and the elastic legs 133 and 143 are broken due to the stress concentration. Can be further suppressed.
Abstract
Description
Claims (6)
- 回転モータと、当該回転モータの回転運動を往復運動に変換する変換機構と、前記変換機構に連結され、逆位相で往復運動する一対の駆動子と、を備える往復式電気かみそりであって、
前記一対の駆動子には、それぞれの駆動子の往復運動に連動する連結部材が連結されるとともに、前記各駆動子とそれぞれの駆動子に連結される前記連結部材とで駆動ブロックがそれぞれ構成されており、
前記各駆動ブロックの重心が、前記駆動子の往復動方向から視た場合に、各駆動子の脚片よりも前記回転モータの回転軸線に近い位置に設けられていることを特徴とする往復式電気かみそり。 - 前記各駆動子には、バランス調整物がそれぞれ取り付けられており、当該バランス調整物は、前記回転モータの回転軸線に対して、それぞれの駆動子の反対側に配置されていることを特徴とする請求項1に記載の往復式電気かみそり。
- 前記バランス調整物が金属で形成されていることを特徴とする請求項2に記載の往復式電気かみそり。
- 前記各駆動子とは別体に形成されたバランス調整物をそれぞれの駆動子に取り付けるようにしたことを特徴とする請求項2または請求項3に記載の往復式電気かみそり。
- 前記各駆動子には、内刃が着脱可能に取り付けられる内刃装着部がそれぞれ形成されるとともに、補強用の壁部が形成されており、
前記壁部は、前記駆動子の往復動方向から視た場合に、前記内刃装着部の前記内刃取り付け位置よりも前記回転モータの回転軸線に近い位置に設けられていることを特徴とする請求項1~4のうちいずれか1項に記載の往復式電気かみそり。 - 前記脚片は、前記駆動子の往復動方向から視た場合に、前記駆動子の並設方向における中間線が、前記内刃装着部の前記内刃取り付け位置よりも前記回転モータの回転軸線に近い位置に設けられていることを特徴とする請求項1~5のうちいずれか1項に記載の往復式電気かみそり。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11803418.0A EP2591890A4 (en) | 2010-07-08 | 2011-06-13 | ALTERNATING ELECTRIC SHOCK RAIL |
US13/807,680 US20130111761A1 (en) | 2010-07-08 | 2011-06-13 | Reciprocating electric shaver |
RU2012157794/02A RU2012157794A (ru) | 2010-06-08 | 2011-06-13 | Электробритва возвратно-поступательного действия |
CN2011800325205A CN102971118A (zh) | 2010-07-08 | 2011-06-13 | 往复式电动剃刀 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-156132 | 2010-07-08 | ||
JP2010156132A JP5453188B2 (ja) | 2010-07-08 | 2010-07-08 | 往復式電気かみそり |
Publications (1)
Publication Number | Publication Date |
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WO2012005082A1 true WO2012005082A1 (ja) | 2012-01-12 |
Family
ID=45441068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/063453 WO2012005082A1 (ja) | 2010-06-08 | 2011-06-13 | 往復式電気かみそり |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130111761A1 (ja) |
EP (1) | EP2591890A4 (ja) |
JP (1) | JP5453188B2 (ja) |
CN (1) | CN102971118A (ja) |
RU (1) | RU2012157794A (ja) |
WO (1) | WO2012005082A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5513288B2 (ja) * | 2010-07-08 | 2014-06-04 | パナソニック株式会社 | 往復式電気かみそり |
JP2012016491A (ja) * | 2010-07-08 | 2012-01-26 | Panasonic Electric Works Co Ltd | 往復式電気かみそり |
JP2012016492A (ja) * | 2010-07-08 | 2012-01-26 | Panasonic Electric Works Co Ltd | 往復式電気かみそり |
US9038276B2 (en) * | 2013-03-15 | 2015-05-26 | Wahl Clipper Corporation | Hair clipper with a rotary motor vibration and noise damper |
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-
2011
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- 2011-06-13 CN CN2011800325205A patent/CN102971118A/zh active Pending
- 2011-06-13 EP EP11803418.0A patent/EP2591890A4/en not_active Withdrawn
- 2011-06-13 WO PCT/JP2011/063453 patent/WO2012005082A1/ja active Application Filing
- 2011-06-13 US US13/807,680 patent/US20130111761A1/en not_active Abandoned
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Title |
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See also references of EP2591890A4 |
Also Published As
Publication number | Publication date |
---|---|
EP2591890A1 (en) | 2013-05-15 |
JP5453188B2 (ja) | 2014-03-26 |
EP2591890A4 (en) | 2013-12-04 |
RU2012157794A (ru) | 2014-07-20 |
JP2012016490A (ja) | 2012-01-26 |
CN102971118A (zh) | 2013-03-13 |
US20130111761A1 (en) | 2013-05-09 |
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