JP2008237813A - Electric shaver - Google Patents

Electric shaver Download PDF

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JP2008237813A
JP2008237813A JP2007086495A JP2007086495A JP2008237813A JP 2008237813 A JP2008237813 A JP 2008237813A JP 2007086495 A JP2007086495 A JP 2007086495A JP 2007086495 A JP2007086495 A JP 2007086495A JP 2008237813 A JP2008237813 A JP 2008237813A
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body case
main body
case
waterproof
head portion
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Katsumi Muraguchi
勝美 村口
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Priority to JP2007086495A priority Critical patent/JP2008237813A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric shaver having an outer blade that covers an inner blade reciprocating horizontally, in which a fixed plate is easily mounted so as to uniformly press an outer peripheral edge of a waterproofing seal member and so as not to interfere with movement of a reciprocating shaft having the inner blade attached. <P>SOLUTION: The reciprocating shaft 70 is arranged in a body case 1 by inserting through a window 66 of the fixed plate 65. An window rim of the window covers the outer peripheral edge of the seal member 6. An engaging pawl 60 is provided on the outer peripheral edge of the fixed plate 65. The engaging pawl 60 is engaged with a recess 40 provided on the body case 1 and the fixed plate 65 is screwed to the body case 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、直線往復動する可動内刃に外刃が被さった電気かみそりに関するものである。   The present invention relates to an electric razor in which a movable inner blade that linearly reciprocates is covered with an outer blade.

従来のこの種電気かみそりは、図9、図10に示す如く、本体ケース(1)のヘッド部(12)に、往復運動軸(75)に連繋された可動内刃(79)と該内刃に被さった外刃(82)を具え、往復運動軸(75)は固定プレート(65)の窓孔(66)を貫通し、該窓孔(66)は往復運動軸(75)の動きを妨げずに該窓孔(66)のシールを画るシール部材(6)で塞がれ、該シール部材(6)の外周縁が固定プレート(65)の窓孔(66)の縁部によって押圧保持されている(特許文献1)。  As shown in FIGS. 9 and 10, this type of conventional electric shaver includes a movable inner blade (79) connected to a reciprocating motion shaft (75) and a head portion (12) of a main body case (1) and the inner blade. The reciprocating shaft (75) passes through the window hole (66) of the fixed plate (65), and the window hole (66) prevents the reciprocating shaft (75) from moving. The sealing member (6) that seals the window hole (66) is closed and the outer peripheral edge of the sealing member (6) is pressed and held by the edge of the window hole (66) of the fixed plate (65). (Patent Document 1).

往復運動軸(75)(75a)は、偏芯運動する駆動軸(71)に振動子(72)を介して連繋され、横方向に往復運動する。
振動子(72)は、往復運動軸(75)(75a)の下端両端に可撓性の腕片(74)(74)を突設しており、
振動子(72)は駆動軸(71)と共に、ヘッド部(12)内の防水ケース(5)に収容されている。
The reciprocating motion axes (75) and (75a) are connected to the drive shaft (71) that moves eccentrically via the vibrator (72), and reciprocate in the lateral direction.
The vibrator (72) has flexible arm pieces (74) (74) protruding from both ends of the lower end of the reciprocating motion shaft (75) (75a),
The vibrator (72) is housed in the waterproof case (5) in the head portion (12) together with the drive shaft (71).

防水ケース(5)は、振動子(72)を包囲するヘッド部(12)上の周壁(42)に、防水ケース蓋(51)を被せて形成されている。
防水ケース蓋(51)は、往復運動軸(75)を遊貫通させる窓孔(55)を有する天板(52)と該天板(52)の外周縁から下向きに突設した周壁(53)を有し、該周壁(53)を前記したヘッド部(12)上の周壁(42)の外周に液密に嵌めて構成される。
The waterproof case (5) is formed by covering the peripheral wall (42) on the head portion (12) surrounding the vibrator (72) with a waterproof case lid (51).
The waterproof case lid (51) includes a top plate (52) having a window hole (55) for allowing the reciprocating motion shaft (75) to freely pass through, and a peripheral wall (53) projecting downward from the outer peripheral edge of the top plate (52). The peripheral wall (53) is liquid-tightly fitted to the outer periphery of the peripheral wall (42) on the head portion (12).

振動子(72)は、両腕片(74)(74)の先端を上記防水ケース(5)内に位置するボス(43)(43)の上端に載せ、その上に防水ケース蓋(51)の天板(52)を載せ、該天板(52)の上に前記固定プレート(65)を被せて、固定プレート(65)と天板(52)を共通のビス(50)(50)によって固定している。
前記シール部材(6)の外周縁は、防水ケース蓋(51)と固定プレート(65)に挟圧保持される。
上記ビス(50)(50)の頭は防水ケース(5)の外部に露出している。
The vibrator (72) has the tips of both arm pieces (74) and (74) placed on the upper ends of the bosses (43) and (43) located in the waterproof case (5), and the waterproof case lid (51) is placed thereon. The top plate (52) is placed, the fixing plate (65) is put on the top plate (52), and the fixing plate (65) and the top plate (52) are attached by a common screw (50) (50). It is fixed.
The outer peripheral edge of the seal member (6) is clamped and held between the waterproof case lid (51) and the fixed plate (65).
The heads of the screws (50) and (50) are exposed to the outside of the waterproof case (5).

外刃(82)は横長の囲い壁(81)に収容されて、本体ケース(1)のヘッド部(12)に着脱可能な外刃カセット(8)を構成しており、該外刃カセット(8)は、本体ケース(1)に着脱可能且つロック片(9)によって取り付け状態にロック可能である。 ロック片(9)は、本体ケース(1)の横長ヘッド部(12)内の両端に配備され、前記防水ケース(5)の側壁と各ロック片(9)(9)との間に介装されたバネ(93)(93)によって、外向き(ロック方向)に付勢されている。ロック片(9)に設けられ本体ケース(1)から臨出したロック解除片(92)をバネ(93)に抗して押圧して外刃カセット(8)のロックを解除できる。   The outer blade (82) is accommodated in a horizontally long enclosure wall (81), and constitutes an outer blade cassette (8) that can be attached to and detached from the head portion (12) of the main body case (1). 8) can be attached to and detached from the main body case (1) and can be locked in an attached state by a lock piece (9). The lock pieces (9) are arranged at both ends in the horizontally long head portion (12) of the main body case (1), and are interposed between the side walls of the waterproof case (5) and the lock pieces (9) (9). The springs 93 and 93 are biased outward (in the locking direction). The lock piece (92) provided on the lock piece (9) and protruding from the main body case (1) can be pressed against the spring (93) to release the lock of the outer blade cassette (8).

又、本体ケース(1)内を、モータ(32)及び配線基板(33)を収容する第1空間(24)と充電池(37)を収容する第2空間(25)を仕切り、両空間(24)(25)に夫々外部に連通する通気孔(19a)(19b)を設け、夫々の通気孔(19a)(19b)に防水フィルター(19d)(19d)を装着している。
上記通気孔(19a)(19b)は、公知の如く、本体ケース(1)の外気圧の変化を本体ケース内に対応させるため、及び充電時に充電池(37)から発する水素ガスの爆発を防止するためである。
The main body case (1) is partitioned into a first space (24) for housing the motor (32) and the wiring board (33) and a second space (25) for housing the rechargeable battery (37). Vent holes (19a) and (19b) communicating with the outside are respectively provided in 24) and (25), and waterproof filters (19d) and (19d) are attached to the respective vent holes (19a) and (19b).
The vents (19a) and (19b), as is well known, prevent the explosion of hydrogen gas emitted from the rechargeable battery (37) during charging so that changes in the external pressure of the main body case (1) can be accommodated in the main body case. It is to do.

特開2006−51146号公報JP 2006-511146 A

上記特許文献1の電気かみそりは、図9、図10に示す如く、横長の固定プレート(65)がその両端部において、幅方向の中央部でビス(50)(50)止め固定されているから固定プレート(65)に反りや変形が生じ易く、シール部材(6)の外周縁を均一に押圧できず、シール効果を損なう虞れがあった。
本発明の課題の1つは、固定プレート(65)の取付け方法を工夫することにより、固定プレート(65)の反りや、変形を抑えて、シール部材(6)のシール効果を高めることである。
In the electric razor of the above-mentioned Patent Document 1, as shown in FIGS. 9 and 10, the horizontally long fixing plate (65) is fixed at both ends thereof by screws (50) (50) at the center in the width direction. The fixing plate (65) is likely to be warped or deformed, and the outer peripheral edge of the sealing member (6) cannot be pressed uniformly, which may impair the sealing effect.
One of the problems of the present invention is to improve the sealing effect of the sealing member (6) by suppressing the warping and deformation of the fixing plate (65) by devising the mounting method of the fixing plate (65). .

又、固定プレート(65)を、固定プレート単独ではなく、振動子(72)や防水ケース蓋(51)等、他の部品と一緒に共通のビス(50)(50)で固定する場合、該ビス(50)(50)の位置に制約を受ける。
例えば、外刃カセット(8)のロック片(9)を付勢するバネ(93)は、該ビス(50)の外側に配備することになり、その分、本体ケース(1)のヘッド部(12)が一層横長になり、小型化の妨げとなる。
本発明の課題の1つは、固定プレート(65)を取り付けるビス止め位置の制約を少なくして、ロック片(9)付勢用のバネ(93)を該ビスに邪魔されることなく介装可能とし、本体ケース(1)のヘッド部(12)の横長さを抑えて、小型化に寄与することである。
In addition, when fixing the fixed plate (65) with a common screw (50) (50) together with other parts such as the vibrator (72) and waterproof case lid (51) instead of the fixed plate alone, Restricted by the position of the screw (50) (50).
For example, the spring (93) for urging the lock piece (9) of the outer blade cassette (8) is arranged outside the screw (50), and accordingly, the head portion ( 12) becomes even longer and hinders downsizing.
One of the objects of the present invention is to reduce the restriction of the screw fixing position for attaching the fixing plate (65), and to insert the spring (93) for biasing the lock piece (9) without being obstructed by the screw. It is possible to reduce the lateral length of the head portion (12) of the main body case (1) and contribute to downsizing.

又、特許文献1の様に、振動子(72)を防水ケース蓋(51)及び固定プレート(65)と一緒に共通のビス(50)で止めると、該ビス(50)の頭が防水ケース(5)の外側に露出するため、ビス(50)の軸部にOリング(59)を嵌めて、固定プレート(65)のビス挿通孔のシールを図る必要があり、組立に手間が掛かる。ビス(50)はステンレス等錆びない材質のものを選択する必要があり、一般の錆び易いビスより高価である。
又、上記Oリング(59)は極小であり、ビス(50)への装着に手間が掛かり、又、極小Oリングは経年劣化し易く、防水ケース(5)の防水性の信頼性に問題がある。
本発明の課題の1つは、防水ケース(5)の防水の信頼性を高めると共に、振動子(72)固定用のビス(77)を、耐錆性を問題としない安価なビスを用いることを可能にすることである。
Further, as in Patent Document 1, when the vibrator (72) is fixed with the common screw (50) together with the waterproof case lid (51) and the fixing plate (65), the head of the screw (50) is attached to the waterproof case. Since it is exposed to the outside of (5), it is necessary to fit the O-ring (59) to the shaft portion of the screw (50) to seal the screw insertion hole of the fixing plate (65), which takes time for assembly. The screw (50) must be made of a material that does not rust, such as stainless steel, and is more expensive than a general rust-prone screw.
In addition, the O-ring (59) is extremely small, and it takes time to mount it on the screw (50). Also, the minimal O-ring is likely to deteriorate over time, and there is a problem with the waterproof reliability of the waterproof case (5). is there.
One of the problems of the present invention is to increase the reliability of waterproofing of the waterproof case (5), and to use a screw (77) for fixing the vibrator (72) as an inexpensive screw that does not cause rust resistance. Is to make it possible.

又、本体ケース(1)内の第1空間(24)と第2空間(25)の夫々の通気孔(19a)(19b)は、本体ケース(1)の側面と底面に開設されており、通気孔(19a)(19b)に防水フィルター(19d)を装着する作業を個別に行わねばならず、手間がかかる。   In addition, the air holes (19a) and (19b) of the first space (24) and the second space (25) in the main body case (1) are opened on the side surface and the bottom surface of the main body case (1). The work of attaching the waterproof filter (19d) to the vent holes (19a) and (19b) must be performed individually, which is troublesome.

請求項1は、本体ケース(1)のヘッド部(12)に、往復運動軸(75)(75a)に連繋された可動内刃(79)と該内刃(79)に被さった外刃(82)を具え、往復運動軸(75)(75a)は本体ケース(1)上に固定された固定プレート(65)の窓孔(66)を貫通し、該窓孔(66)は往復運動軸(75)(75a)の動きを妨げずに窓孔(66)のシールを画るシール部材(6)で塞がれ、該シール部材(6)は、固定プレート(65)によって押圧保持されている電気かみそりにおいて、固定プレート(65)の外周縁側には掛り爪(60)が設けられ、固定プレート(65)は本体ケース(1)上に設けた凹み部(40)に前記掛り爪(60)を嵌めると共に本体ケース(1)上にビス止めされている。   The first aspect of the present invention provides a movable inner blade (79) linked to the reciprocating shaft (75) (75a) on the head portion (12) of the main body case (1) and an outer blade (79) covering the inner blade (79). 82), and the reciprocating shaft (75) (75a) passes through the window hole (66) of the fixed plate (65) fixed on the body case (1), and the window hole (66) is the reciprocating shaft. (75) (75a) is blocked by a seal member (6) that seals the window hole (66) without obstructing the movement of the hole, and the seal member (6) is pressed and held by the fixing plate (65). In the electric razor, a hooking claw (60) is provided on the outer peripheral edge side of the fixing plate (65), and the fixing plate (65) is inserted into the hooking claw (60) in a recess (40) provided on the body case (1). ) And screwed onto the body case (1).

請求項2は、本体ケース(1)のヘッド部(12)は、可動内刃(79)の直線往復方向に横長であって、ヘッド部(12)の長手方向に沿う両側壁の内、一方の側壁に凹み部(40)が形成され、他方の側壁の両端寄りに、固定プレート取付け用のネジ穴(17)(17)が開設されている。   In the second aspect, the head portion (12) of the main body case (1) is horizontally long in the linear reciprocating direction of the movable inner blade (79), and one of both side walls along the longitudinal direction of the head portion (12). A recess (40) is formed in the side wall of the other side, and screw holes (17) and (17) for attaching the fixing plate are formed near both ends of the other side wall.

請求項3は、請求項1又は2の電気かみそりにおいて、凹み部(40)及びビス止め用ネジ穴(17)(17)は、本体ケース(1)に取り付けられた部品、又は本体ケース(1)に直接に設けられている。   A third aspect of the present invention is the electric razor according to the first or second aspect, wherein the recess (40) and the screw holes (17), (17) for screwing are parts attached to the main body case (1) or the main body case (1 ) Directly.

請求項4は、本体ケース(1)のヘッド部(12)に、偏芯運動をする駆動軸(71)に振動子(72)を介して可動内刃(79)が取り付けられ、該内刃(79)に外刃(87)が被さっている電気かみそりであって、振動子(72)は、内刃連結用の往復運動軸(75)(75a)の下端両端に可撓性腕片(74)(74)を突設し、両腕片(74)(74)が振動子取付け専用のボス(43)(43)にビス止め固定され、腕片(74)(74)は防水ケース(5)で覆われて、該防水ケース(5)から往復運動軸(75)(75a)が液密に外部に突出している。   According to a fourth aspect of the present invention, a movable inner blade (79) is attached to the head portion (12) of the main body case (1) via a vibrator (72) on a drive shaft (71) that performs eccentric motion. (79) is an electric razor covering the outer blade (87), the vibrator (72) is a flexible arm piece (at both ends of the lower end of the reciprocating shaft (75) (75a) for connecting the inner blade ( 74) and 74) are projected, and both arm pieces (74) and (74) are fixed to the bosses (43) and (43) dedicated to mounting the vibrator with screws, and the arm pieces (74) and (74) are waterproof cases ( 5), the reciprocating motion shafts (75) and (75a) project outside from the waterproof case (5) in a liquid-tight manner.

請求項5は、請求項2の電気かみそりにおいて、外刃(82)を横長の囲い壁(81)に収容して外刃カセット(8)を構成し、該外刃カセット(8)を、本体ケース(1)に着脱可能且つロック片(9)(9)によって取付け状態にロックしており、ロック片(9)(9)は本体ケース(1)のヘッド部(12)の両端に位置して、バネ(93)(93)によって外側へ付勢され、ロック片(9)に突設され本体ケース(1)から臨出したロック解除片(92)をバネ(93)に抗して押圧して外刃カセット(8)のロックを解除できる。   According to a fifth aspect of the present invention, in the electric razor according to the second aspect, the outer blade (82) is accommodated in the horizontally long enclosure wall (81) to constitute the outer blade cassette (8). It is detachable from the case (1) and is locked in the attached state by lock pieces (9) and (9). The lock pieces (9) and (9) are located at both ends of the head portion (12) of the main body case (1). Then, the spring (93) (93) is urged to the outside, and the lock release piece (92) protruding from the main body case (1) is pressed against the spring (93). Thus, the outer cutter cassette (8) can be unlocked.

請求項6は、本体ケース(1)内に、可動内刃駆動用のモータ(32)、配線基板(33)、充電池(37)を収容して本体ケース(1)内への水の侵入を防ぐ防水を施した電気かみそりにおいて、モータ(32)及び配線基板(33)を収容する第1空間(24)と、充電池を収容する第2空間(25)とを仕切り、第1、第2両空間(24)(25)に、本体ケース(1)外に開口し水は遮断する通気孔(19a)(19b)が開設され、該通気孔(19a)(19b)は、一方向から同時に防水フィルター(19d)(19d)を装着可能な位置に開設されている。   Claim 6 contains the motor (32), the wiring board (33), and the rechargeable battery (37) for driving the movable inner blade in the main body case (1), and water enters the main body case (1). In the electric shaver that is waterproofed to prevent the battery, the first space (24) that houses the motor (32) and the wiring board (33) and the second space (25) that houses the rechargeable battery are partitioned, and the first, first Two air holes (19a) and (19b) that open outside the body case (1) and block water are opened in both spaces (24) and (25). The air holes (19a and 19b) are opened from one direction. At the same time, it is opened at a position where a waterproof filter (19d) (19d) can be attached.

請求項7は、請求項6の電気かみそりにおいて、第1空間(24)の通気孔(19a)と第2空間(25)の通気孔(19b)は、本体ケース(1)の定格表示ラベル等のラベル(21)を貼るラベル貼着部(19)上に開設され、ラベル(21)には通気孔(19a)(19b)に重なる小孔(22)(22)が開設されている。   A seventh aspect of the present invention is the electric shaver according to the sixth aspect, wherein the vent hole (19a) of the first space (24) and the vent hole (19b) of the second space (25) are provided with a rating label or the like of the main body case (1). The label (21) is provided on a label attaching portion (19), and the label (21) is provided with small holes (22) and (22) overlapping the vent holes (19a and 19b).

請求項1の電気かみそりは、固定プレート(65)の外周縁側に設けた掛り爪(60)を本体ケース(1)上に設けた凹み部(40)に係合すると共に本体ケース(1)上にビス止めして固定されるから、掛り爪(60)分はビスを省略できる。このため、固定プレート(65)の長手方向に沿う一方の側縁に掛り爪(60)を設け、他方の側縁の両端寄りを本体ケース(1)上にビス止め固定すると、二等辺三角形の頂部の三箇所を本体ケース(1)上に固定できるため、固定プレート(65)を少ない本数のビス(69)で安定して、且つ固定プレート(65)の反りや、変形を抑えて本体ケース(1)上に固定できる。   The electric shaver according to claim 1 engages a hooking claw (60) provided on the outer peripheral edge side of the fixed plate (65) with a recess (40) provided on the main body case (1) and on the main body case (1). Since it is fixed with screws, the screws can be omitted for the hanging claw (60). For this reason, when a hooking claw (60) is provided on one side edge along the longitudinal direction of the fixing plate (65) and both ends of the other side edge are fixed with screws on the body case (1), an isosceles triangular shape is obtained. Since the top three parts can be fixed on the main body case (1), the fixing plate (65) is stabilized with a small number of screws (69) and the fixing plate (65) is prevented from warping and deformation. (1) Can be fixed on top.

このため、固定プレート(65)の窓孔(66)を塞ぐシール部材(6)の外周部を窓孔(66)の縁部で均等に押圧して、安定したシール効果を保つことができる。
固定プレート(65)の掛り爪(60)と本体ケース(1)上の凹み部(40)の係合は、ビス止めに較べて手間が掛からないから、固定プレート(65)取付け用のビス(69)の本数が減ると、組立の能率を高めることができる。
固定プレート(65)を金属板の打抜きで形成する場合、掛り爪(60)も同時に形成でき、又も凹み部(40)を本体ケース(1)に直接に開設する、或いは本体ケース(1)に取付ける部品に開設するにしても、該部品或いは本体ケース(1)を合成樹脂の射出成形で形成すれば、凹み部(40)も同時に形成できるから、掛り爪(60)、凹み部(40)を形成するための手間は不要である。
For this reason, the outer peripheral part of the sealing member (6) which closes the window hole (66) of the fixed plate (65) can be uniformly pressed by the edge part of the window hole (66), and a stable sealing effect can be maintained.
The engagement between the hooking claw (60) of the fixing plate (65) and the recess (40) on the body case (1) is less time-consuming than the screw fixing. If the number of 69) decreases, the assembly efficiency can be increased.
When the fixing plate (65) is formed by punching a metal plate, the hooking claw (60) can be formed at the same time, or the recess (40) is directly opened in the main body case (1), or the main body case (1) Even if the part or the body case (1) is formed by injection molding of synthetic resin, the recessed part (40) can be formed at the same time, so that the hooking claw (60) and the recessed part (40 ) Is not required.

請求項2、3の電気かみそりの効果は、請求項1の効果で説明済みである。   The effects of the electric razor according to claims 2 and 3 have been already explained with the effect of claim 1.

請求項4の電気かみそりは、振動子(72)(72a)は、その固定用ビス(77)(77)を含めて防水ケース(5)内に収容されているから、ビス(77)(77)は耐錆性を問題としない安価なビスを使用できる。又、該ビス(77)にはOリングを装着する必要はないから、従来の様に該Oリングに起因する組立の手間、本体ケース(1)の防水性の信頼性の問題も解消される。   In the electric razor according to claim 4, since the vibrators (72) and (72a) including the fixing screws (77) and (77) are accommodated in the waterproof case (5), the screws (77) and (77) ) Can use an inexpensive screw that does not matter rust resistance. Further, since it is not necessary to attach an O-ring to the screw (77), the trouble of assembling due to the O-ring and the problem of the reliability of the waterproofness of the main body case (1) are eliminated as in the prior art. .

請求項5の電気かみそりは、固定プレート(65)を本体ケース(1)上に取付けるためのネジ穴(17)(17)が、本体ケース(1)上の横長の両側壁の内、一方の側壁の両端寄りに設けられているため、外刃カセット(8)をロックするロック片(9)をロック方向に付勢するバネ(93)を、ネジ穴(17)(17)に螺合されるビス(77)(77)に邪魔されることなく、本体ケース(1)のヘッド部(12)の両端に収容できるから、ヘッド部(12)の小型化に寄与できる。   The electric razor according to claim 5 is provided with screw holes (17) (17) for mounting the fixing plate (65) on the main body case (1), one of the laterally long side walls on the main body case (1). Since it is provided near both ends of the side wall, a spring (93) for urging the locking piece (9) for locking the outer blade cassette (8) in the locking direction is screwed into the screw holes (17) and (17). Since it can be accommodated at both ends of the head portion (12) of the main body case (1) without being obstructed by the screws (77) and (77), it can contribute to downsizing of the head portion (12).

請求項6の電気かみそりは、本体ケース(1)は、モータ(32)及び配線基板(33)を収容する第1空間(24)と、充電池を収容する第2空間(25)の夫々通気孔(19a)(19b)は、一方向から同時に防水フィルター(19d)(19d)を装着できるから、防水フィルター(19d)の取付け作業性がよい。   In the electric shaver according to claim 6, the main body case (1) has a first space (24) for accommodating the motor (32) and the wiring board (33) and a second space (25) for accommodating the rechargeable battery. The pores (19a) and (19b) can be attached with the waterproof filters (19d) and (19d) from one direction at the same time, so that the workability of attaching the waterproof filter (19d) is good.

請求項7の電気かみそりは、請求項6の通気孔(19a)(19b)を本体ケース(1)の定格表示ラベル等のラベル(21)を貼るラベル貼着部(19)上に開設しているから、通気孔(19a)(19b)に対応して小孔(22)(22)を開設したラベル(21)をラベル貼着部(19)に貼と、本体ケース(1)の通気孔(19a)(19b)に施した防水フィルター(19d)(19d)の存在を隠して体裁をよくできる。   The electric shaver according to claim 7 has the vent holes (19a) and (19b) according to claim 6 opened on the label attaching part (19) to which the label (21) such as the rating display label of the main body case (1) is attached. The label (21) with small holes (22) and (22) corresponding to the air holes (19a) and (19b) is pasted on the label attaching part (19), and the air holes in the main body case (1) The appearance of the waterproof filters (19d) and (19d) applied to (19a) and (19b) can be hidden to improve the appearance.

図1は本発明に係る電気かみそり、図2はその分解図を示す。
該電気かみそりは水洗い可能に構成されている。
電気かみそりは本体ケース(1)、該本体ケースに差し込んで装填される作動ユニット(2)、及び本体ケース(1)に着脱可能に取り付けられる外刃カセット(8)からなる。
外刃カセット(8)は、囲い壁(81)に3つの外刃(82)を平行に取り付けて構成されるが、図1では外刃(82)を外した状態を示している。
FIG. 1 shows an electric shaver according to the present invention, and FIG. 2 shows an exploded view thereof.
The electric razor is configured to be washable with water.
The electric razor comprises a main body case (1), an operation unit (2) inserted into the main body case and loaded, and an outer blade cassette (8) removably attached to the main body case (1).
The outer blade cassette (8) is configured by attaching three outer blades (82) in parallel to the enclosure wall (81). FIG. 1 shows a state in which the outer blade (82) is removed.

本体ケース(1)は、縦長有底の筒状ハンドル(11)の上部に横長に拡大して上面が略長方形に開口したヘッド部(12)を形成している。
ヘッド部(12)の両端と、筒状ハンドル(11)は補強片(14)(14)で繋がっている。
ヘッド部(12)の両端には、外刃カセット(8)に対するロック片(9)のロック解除片(92)を臨出させる孔(15)(15)が開設されている。
筒状ハンドル(11)の正面(前側の面)にはON−OFFスイッチ(13)が設けられている。
ヘッド部(12)は前方へ少し傾いている。
ヘッド部(12)の開口四隅に、後記する固定プレート(65)を載せるボス(16)(16)(18)(18)(以下、「固定プレート用ボス」と呼ぶ)(図8参照)が上向きに突設され、後側の2つのボス(16)(16)には、ネジ穴(17)(17)が開設されている。
The main body case (1) is formed with a head portion (12) that is enlarged horizontally in the upper portion of a cylindrical handle (11) having a vertically long bottom and whose upper surface is opened in a substantially rectangular shape.
Both ends of the head portion (12) and the cylindrical handle (11) are connected by reinforcing pieces (14) and (14).
At both ends of the head portion (12), holes (15) and (15) are provided for allowing the lock release pieces (92) of the lock pieces (9) to protrude from the outer blade cassette (8).
An ON-OFF switch (13) is provided on the front surface (front surface) of the cylindrical handle (11).
The head portion (12) is slightly inclined forward.
Bosses (16), (16), (18), (18) (hereinafter referred to as “fixing plate bosses”) (see FIG. 8) (see FIG. 8) on which fixing plates (65) described later are placed at the four corners of the opening of the head portion (12). Screw holes (17) and (17) are formed in the rear two bosses (16) and (16).

本体ケース(1)の筒状ハンドル(11)の背面には、図6に示す如く、縦長の平滑なラベル貼着部(19)が設けられ、該ラベル貼着部(19)の上下両端に、通気孔(19a)(19b)が開設される。
通気孔(19a)(19b)の周囲は凹段部(19c)に形成され、該凹段部(19c)に防水フィルター(19d)が取り付けられる。
ラベル貼着部(19)に貼るラベル(21)には、電気かみそりの定格等が記されており、両端側には、前記通気孔(19a)(19b)に重なる位置に小孔(22)(22)が開設されている。
As shown in FIG. 6, a vertically long and smooth label sticking portion (19) is provided on the back surface of the cylindrical handle (11) of the main body case (1), and is provided at both upper and lower ends of the label sticking portion (19). The vent holes (19a) and (19b) are opened.
The periphery of the vent holes (19a) and (19b) is formed in a concave step portion (19c), and a waterproof filter (19d) is attached to the concave step portion (19c).
The label (21) to be affixed to the label affixing part (19) is marked with the rating of the electric razor, etc., and the small holes (22) at the positions overlapping the ventilation holes (19a) (19b) on both ends. (22) has been established.

本体ケース(1)の背面上部には、際剃り刃を上下するスライド片(10)が設けられているが、際剃り刃は本願発明には関係しないので、説明は一切省略する。   A slide piece (10) for moving the shave blade up and down is provided on the upper back of the main body case (1). However, the shave blade is not related to the present invention and will not be described at all.

図2に示す如くね作動ユニット(2)は、縦長のバー状を呈する電装部(3)と、該電装部(3)の上端に設けられた駆動部(7)とからなる。
図2、図7に示す如く、電装部(3)は、合成樹脂製の縦長のホルダー(31)内に充電池(37)を収容し、ホルダー(31)の上端にモータ(32)を搭載し、ホルダー(31)の正面に配線基板(33)を取り付けて構成されている。
ホルダー(41)の下端には、充電用の2本の充電用通電ピン(36)(36)が突設されている。
As shown in FIG. 2, the screw operating unit (2) is composed of an electrical component (3) having a vertically long bar shape and a drive unit (7) provided at the upper end of the electrical component (3).
As shown in FIGS. 2 and 7, the electrical component (3) accommodates the rechargeable battery (37) in a vertically long holder (31) made of synthetic resin and mounts a motor (32) on the upper end of the holder (31). The wiring board (33) is attached to the front of the holder (31).
At the lower end of the holder (41), two charging energizing pins (36), (36) for charging are provided protrudingly.

駆動部(7)は、図5に示す如く、前記本体ケース(1)のヘッド部(12)に緊密に嵌まる内ケース(4)上に、外刃カセット(8)の外刃(82)が被さる可動内刃(79)を横方向に往復移動させるメカニズムが組み込まれている。   As shown in FIG. 5, the drive unit (7) is formed on the outer case (82) of the outer cutter cassette (8) on the inner case (4) that fits tightly into the head part (12) of the main body case (1). Incorporates a mechanism for reciprocating the movable inner blade (79) covered by

内ケース(4)の底部4隅には孔(41)(図2参照)が開設され、前記本体ケース(1)に突設された4つのボス(16)(16)(18)(18)は、該孔(41)を貫通して内ケース(4)内へ侵入する。
内ケース(4)の前側壁には、後記する固定プレート(65)の掛り爪(60)が嵌まる横長の凹み部(40)が前記ボス(16)(18)を、該さに対応して開設され、実施例の凹み部(40)は内ケース(4)の側壁を貫通している。
内ケース(4)が本体ケース(1)のヘッド部(12)に嵌合した状態では、該凹み部(40)は外側からはは隠れて見えない。
内ケース(4)内には、該内ケース(4)の横長方向に間隔を存して後記する振動子(72)(72a)取り付け用の2つのボス(43)(43)(以下、「振動子用ボス」と呼ぶ)が、前記固定プレート用ボス(16)(18)と平行に突設されている。
内ケース(4)には、振動子用ボス(48)(48)を四角形に包囲して周壁(42)が上向きに突設されている。該周壁(42)は後記する防水ケース(5)の下部となる。
内ケース(4)の両端中央には前記ロック片(9)のロック解除片(92)を臨出させるための切欠(44)(44)が設けられている。
A hole (41) (see FIG. 2) is formed in the bottom four corners of the inner case (4), and four bosses (16) (16) (18) (18) projecting from the main body case (1) are formed. Enters the inner case (4) through the hole (41).
On the front side wall of the inner case (4), a horizontally long recess (40) into which a hooking claw (60) of a fixing plate (65) described later is fitted corresponds to the boss (16) (18). The recess (40) of the embodiment penetrates the side wall of the inner case (4).
In a state where the inner case (4) is fitted to the head portion (12) of the main body case (1), the concave portion (40) is hidden from the outside and cannot be seen.
In the inner case (4), there are two bosses (43) (43) (hereinafter referred to as “ A vibrator boss ”is projected in parallel to the fixed plate bosses (16) and (18).
In the inner case (4), the vibrator bosses (48) and (48) are surrounded by a quadrangular shape, and a peripheral wall (42) is projected upward. The peripheral wall (42) is a lower part of a waterproof case (5) described later.
At the center of both ends of the inner case (4), notches (44) and (44) are provided for projecting the unlocking pieces (92) of the locking pieces (9).

上記内ケース(4)の周壁(42)に、防水ケース蓋(51)を被せて防水ケース(5)を形成する。
図4,図5に示す如く、防水ケース蓋(51)は、天板(52)と該天板(52)の外周縁から下向き延びた周壁(53)とからなり、該周壁(53)を内ケース(4)上の周壁(42)の外側にOリング(54)を介在させて液密に嵌合している。
防水ケース蓋(51)の天板(52)は、前記本体ケース(1)のヘッド部(12)の上面開口に殆んど余裕のない状態に嵌まる略長方形に形成されている。
該天板(52)は、中央部に四角形の窓孔(55)、両端中央に切欠(56)(56)、後縁側両隅にビス挿通孔(57)(57)が開設されている。
天板(52)の上面には窓孔(55)を一周して周溝(51a)が開設され、下面には振動子固定用のビス(77)の頭を逃がす凹みが形成されている。該凹みとの対応位置にて、防水ケース蓋(51)の上面には円形の***部(58)(58)が形成されている。
The waterproof case (5) is formed by covering the peripheral wall (42) of the inner case (4) with a waterproof case lid (51).
As shown in FIGS. 4 and 5, the waterproof case lid (51) includes a top plate (52) and a peripheral wall (53) extending downward from the outer peripheral edge of the top plate (52). The O-ring (54) is interposed on the outer side of the peripheral wall (42) on the inner case (4) and is fluid-tightly fitted.
The top plate (52) of the waterproof case lid (51) is formed in a substantially rectangular shape that fits into the upper surface opening of the head portion (12) of the main body case (1) with almost no margin.
The top plate (52) has a rectangular window hole (55) at the center, notches (56) and (56) at the center of both ends, and screw insertion holes (57) and (57) at both corners of the rear edge.
A circumferential groove (51a) is formed around the window hole (55) on the top surface of the top plate (52), and a recess is formed on the bottom surface to allow the head of the screw (77) for fixing the vibrator to escape. Circular protrusions (58) and (58) are formed on the upper surface of the waterproof case lid (51) at a position corresponding to the recess.

防水ケース蓋(51)の窓孔(55)は、防水と髭の剃りかすの防水ケース(5)内への侵入を防止するために、シール部材(6)によって液密に塞がれる。
シール部材(6)は、防水ケース蓋(51)の窓孔(55)より少し大きく形成されており、後記する振動子(72)(72a)に連繋された往復運動軸(75)(75a)が貫通する孔(63)(63)及び各孔(63)(63)を包囲して襞状周壁部(62)(62)を有する。
シール部材(6)は外周縁の全周に亘って下向きの位置決め片(61)を具えており、該位置決め片(61)を前記防水ケース蓋(51)の周溝(51a)に緊密に嵌めている。
The window hole (55) of the waterproof case lid (51) is liquid-tightly closed by the seal member (6) in order to prevent waterproof and shaving shavings from entering the waterproof case (5).
The seal member (6) is formed slightly larger than the window hole (55) of the waterproof case lid (51), and is a reciprocating motion shaft (75) (75a) linked to a vibrator (72) (72a) described later. Has a through hole (63) (63) and a hole-shaped peripheral wall portion (62) (62) surrounding each hole (63) (63).
The sealing member (6) has a downward positioning piece (61) over the entire circumference of the outer peripheral edge, and the positioning piece (61) is tightly fitted in the circumferential groove (51a) of the waterproof case lid (51). ing.

防水ケース(5)内に2つの振動子(72)(72a)が前後に並んで収容されている。2つの振動子(72)(72a)は、モータ(32)の回転を横往復運動に変換する公知のものであって、ベース部(73)の両端に突設した可撓性の腕片(74)(74)の先端を前記振動子用ボス(43)(43)にビス(77)(77)止めされて、宙吊り状態に支持されている。
2つの振動子(72)(72a)は、互いの腕片の先端部を重ねて共通のビス(77)(77)によって取り付けられている。
In the waterproof case (5), two vibrators (72) and (72a) are accommodated side by side. The two vibrators (72) and (72a) are known ones that convert the rotation of the motor (32) into a lateral reciprocating motion, and are flexible arm pieces (projected at both ends of the base portion (73)). The tips of 74 and 74 are fixed to the vibrator bosses 43 and 43 by screws 77 and 77 and supported in a suspended state.
The two vibrators (72) and (72a) are attached by common screws (77) and (77) with the tips of their arm pieces overlapped.

両振動子(72)(72a)のベース部(73)(73)は高さ位置が異なっており、夫々溝孔(78)を有している。
前記モータ(32)に駆動軸(71)を介して振動子(72)(72a)が連繋される。駆動軸(71)は180°位相の異なる2つの偏芯軸(71a)(71b)を有し、該偏芯軸(71a)(71b)を前記2つの振動子(72)(72a)の溝孔(78)(78)に嵌めている。
両振動子(72)(72a)のベース部(73)(73)には上向き突子(70)(70a)が突設され、該突子(70)(70a)に往復運動軸(75)(75a)が嵌合される。
往復運動軸(75)(75a)は、前記シール部材(6)の孔(63)(63)を液密に貫通して、防水ケース(5)から上向きに突出している。
前側の往復運動軸(75)は前後に二股に形成され、該往復運動軸(75)に2つの内刃(79)(79)、後側の往復運動軸(75a)に1つの内刃(79)が、平行に取り付けられる。
The base portions (73) and (73) of both the vibrators (72) and (72a) have different height positions, and each have a groove (78).
Vibrators (72) and (72a) are connected to the motor (32) via a drive shaft (71). The drive shaft (71) has two eccentric shafts (71a) (71b) having different phases by 180 °, and the eccentric shafts (71a) (71b) are grooves of the two vibrators (72) (72a). It fits into holes (78) and (78).
Upward protrusions (70) and (70a) project from the base portions (73) and (73) of both vibrators (72) and (72a), and a reciprocating motion shaft (75) is provided on the protrusions (70) and (70a). (75a) is fitted.
The reciprocating shafts (75) and (75a) penetrate the holes (63) and (63) of the seal member (6) in a liquid-tight manner and project upward from the waterproof case (5).
The front side reciprocating shaft (75) is bifurcated back and forth. The reciprocating shaft (75) has two inner blades (79) (79) and the rear side reciprocating shaft (75a) has one inner blade ( 79) are mounted in parallel.

前記防水ケース蓋(51)の上から固定プレート(65)が本体ケース(1)上に固定される。
固定プレート(65)は、本体ケース(1)のヘッド部(12)の上面開口に殆んど余裕のない状態に嵌まる略長方形に形成されている。
固定プレート(65)は中央部に窓孔(66)、該窓孔(66)の左右両側に位置決め孔(67)(67)、両端中央に切欠(64)(64)、後縁側両端隅にビス挿通孔(68)(68)が開設されている。
固定プレート(65)の前側縁の中央部に掛り爪(60)が短く突設されている。
A fixing plate (65) is fixed on the main body case (1) from above the waterproof case lid (51).
The fixed plate (65) is formed in a substantially rectangular shape that fits in a state where there is almost no margin in the upper surface opening of the head portion (12) of the main body case (1).
The fixing plate (65) has a window hole (66) in the center, positioning holes (67) (67) on the left and right sides of the window hole (66), notches (64) (64) in the center of both ends, and corners on both ends of the rear edge. Screw insertion holes (68) (68) are established.
A hooking claw (60) protrudes short from the center of the front edge of the fixed plate (65).

前記内ケース(4)の両端に外刃カセット(8)を取付け状態にロックするロック片(9)(9)が配備される。
図4、図5に示す如く、ロック片(9)は、上向きにロック爪(91)、外向きにロック解除片(92)を有しており、ロック爪(91)を前記防水ケース蓋(51)と固定プレート(65)の切欠(56)(64)を貫通して固定プレート(65)の上面から臨出させ、ロック解除片(92)を内ケース(4)の切欠(44)及び前記本体ケース(1)の長孔(15)を貫通して外部に臨出させている。
ロック片(9)と前記防水ケース(5)との間にロック片(9)を外向きに付勢するバネ(93)が介装さている。
ロック片(9)は、外刃カセット(8)の囲い壁(81)下端の内向き凸部(83)にロック爪(91)引掛けて、外刃カセット(8)をロックする。
ロック片(9)のロック解除片(92)をバネ(93)に抗して押すと、ロック片(9)が後退してロック爪(83)と外刃カセット(8)の係合が外れて、外刃カセット(8)のロックが解除される。
Lock pieces (9) and (9) for locking the outer blade cassette (8) in the attached state are provided at both ends of the inner case (4).
4 and 5, the lock piece (9) has a lock claw (91) upward and a lock release piece (92) outward, and the lock claw (91) is attached to the waterproof case lid ( 51) and the notches (56) and (64) of the fixing plate (65) through the upper surface of the fixing plate (65), and the unlocking piece (92) is inserted into the notches (44) and 44 of the inner case (4). The main body case (1) protrudes outside through the long hole (15).
A spring (93) for biasing the lock piece (9) outward is interposed between the lock piece (9) and the waterproof case (5).
The lock piece (9) locks the outer blade cassette (8) by hooking the lock claw (91) on the inward convex portion (83) at the lower end of the surrounding wall (81) of the outer blade cassette (8).
When the lock release piece (92) of the lock piece (9) is pushed against the spring (93), the lock piece (9) is retracted and the lock claw (83) and the outer blade cassette (8) are disengaged. Thus, the outer cutter cassette (8) is unlocked.

図2に示す如く、上記作動ユニット(2)は、駆動部(7)の下部と電装部(3)の下部に、本体ケース(1)の筒状ハンドル(11)の内面に対してシールを図るシール部(30a)(30b)を形成している。
上部のシール部(30a)は、前記内ケース(4)の下部外周にOリング(35)を装着して形成されている。
下部のシール部(30b)は、前記ホルダー(31)にフランジ(34)を突設し、該フランジの外周にOリング(35)を装着して形成される。
As shown in FIG. 2, the operating unit (2) has a seal against the inner surface of the cylindrical handle (11) of the body case (1) on the lower part of the drive part (7) and the lower part of the electrical part (3). The sealing portions (30a) and (30b) to be formed are formed.
The upper seal portion (30a) is formed by mounting an O-ring (35) on the lower outer periphery of the inner case (4).
The lower seal portion (30b) is formed by protruding a flange (34) from the holder (31) and mounting an O-ring (35) on the outer periphery of the flange.

作動ユニット(2)を本体ケース(1)に装填した状態で、本体ケース(1)内は前記した上下のシール部(30a)(30b)間の第1空間(24)と、下シール部(30b)と本体ケース(1)の底面間の第2空間(25)とに、気密に仕切られる。
第1空間(24)にはモータ(32)、配線基板(33)が収容され、第2空間(25)はホルダー(31)内に連通している。
第1空間(24)は、前記本体ケース(1)の筒状ハンドル(11)に開設した上通気孔(19a)を通じて、第2空間(25)は下通気孔(19b)を通じて夫々大気に連通している。
With the operating unit (2) loaded in the main body case (1), the main body case (1) has the first space (24) between the upper and lower seal portions (30a, 30b) and the lower seal portion ( 30b) and a second space (25) between the bottom surfaces of the body case (1) are hermetically partitioned.
A motor (32) and a wiring board (33) are accommodated in the first space (24), and the second space (25) communicates with the holder (31).
The first space (24) communicates with the atmosphere through the upper vent (19a) established in the cylindrical handle (11) of the main body case (1), and the second space (25) communicates with the atmosphere through the lower vent (19b). is doing.

本体ケース(1)への作動ユニット(2)の組み込み手順は、ロック片(9)、往復運動軸(75)(75a)、固定プレート(65)を外した状態の作動ユニット(2)を本体ケース(1)に装填し、作動ユニット(2)の内ケース(4)を本体ケース(1)のヘッド部(12)に緊密に嵌合し、本体ケース(1)のボス(16)(16)(18)(18)を本体ケース(1)内に侵入させる。
固定プレート(65)を、その掛り爪(60)を内ケース(4)の側壁の凹み部(40)に嵌めて防水ケース蓋(51)に被せる。固定プレート(65)の位置決め孔(67)(67)に防水ケース蓋(51)の***部(58)(58)が嵌まって、固定プレート(65)の位置が決まり、固定プレート(65)と防水ケース蓋(51)のビス挿通孔(57)(57)、(68)(68)が一致する。
The procedure for assembling the operating unit (2) into the main body case (1) is as follows: the operating unit (2) with the lock piece (9), the reciprocating motion shaft (75) (75a), and the fixed plate (65) removed. The case (1) is loaded, the inner case (4) of the operating unit (2) is tightly fitted to the head part (12) of the main body case (1), and the bosses (16) (16 ) (18) (18) is inserted into the main body case (1).
The fixing plate (65) is put on the waterproof case lid (51) by fitting the hooking claw (60) into the recess (40) on the side wall of the inner case (4). The raised portions (58) and (58) of the waterproof case lid (51) are fitted into the positioning holes (67) and (67) of the fixing plate (65), and the position of the fixing plate (65) is determined. And the screw insertion holes (57), (57), (68) and (68) of the waterproof case lid (51) coincide.

固定プレート(65)の掛り爪(60)を内ケース(4)の凹み部(40)ら嵌めるとき、固定プレート(65)の前部両端を、本体ケース(1)の前部両端のボス(18)(18)に載せて固定プレート(65)を前方に押すと、掛り爪(60)を凹み部(40)に簡単に嵌めることができる。
防水ケース蓋(51)と固定プレート(65)の一致したビス挿通孔(57)(68)、(57)(68)に挿通したビス(69)を、本体ケース(1)のボス(16)(16)のネジ穴(17)(17)に螺合して固定プレート(65)を固定する。
固定プレート(65)は防水ケース蓋(51)を押圧し、該防水ケース蓋(51)を介して内ケース(4)を本体ケース(1)のヘッド部(12)に押圧することにより、内ケース(4)、即ち作動ユニット(2)を本体ケース(1)に固定できる。
固定プレート(65)の窓孔(66)の縁部は、シール部材(6)の外周を押圧してシール部材(6)を定位置に保持する。
When the hooking claw (60) of the fixing plate (65) is fitted into the recess (40) of the inner case (4), the front ends of the fixing plate (65) are connected to the bosses on both ends of the front of the main body case (1). 18) When the fixing plate (65) is pushed forward by placing it on (18), the hooking claw (60) can be easily fitted into the recess (40).
Screws (69) inserted into the screw insertion holes (57) (68), (57) (68) that correspond to the waterproof case lid (51) and the fixing plate (65) are connected to the bosses (16) of the main body case (1). The fixing plate (65) is fixed by screwing into the screw holes (17) and (17) of (16).
The fixing plate (65) presses the waterproof case lid (51), and the inner case (4) is pressed against the head portion (12) of the main body case (1) via the waterproof case lid (51). The case (4), that is, the operating unit (2) can be fixed to the main body case (1).
The edge of the window hole (66) of the fixed plate (65) presses the outer periphery of the seal member (6) to hold the seal member (6) in place.

シール部材(6)の上方から、シール部材(6)の孔(63)(63)に往復運動軸(75)(75a)を通して、該往復運動軸(75)(75a)を振動子(72)(72a)上の突子(70)(70a)に嵌め、該突子(70)(70a)に内刃(79)(79)(79)を装着する。
内ケース(4)の両端にロック片(9)及びバネ(93)を組み込んで、ロック解除片(92)を本体ケース(1)の長孔から臨出させる。
From above the seal member (6), the reciprocating shafts (75) and (75a) are passed through the holes (63) and (63) of the seal member (6), and the reciprocating shafts (75) and (75a) are passed through the vibrator (72). The protrusions (70) and (70a) on (72a) are fitted into the protrusions (70) and (70a), and the inner blades (79), (79) and (79) are mounted on the protrusions (70) and (70a).
A lock piece (9) and a spring (93) are assembled at both ends of the inner case (4), and the lock release piece (92) protrudes from the long hole of the main body case (1).

上記の如く、本発明の電気かみそりは、固定プレート(65)の外周縁側に設けた掛り爪(60)を内ケース(4)に設けた凹み部(40)に係合すると共に、本体ケース(1)上のボス(16)(16)にビス止めして固定されるから、掛り爪(60)の分はビスを省略できる。このため、固定プレート(65)の前側縁に掛り爪(60)を設け、後側縁の両端部を本体ケース(1)にビス止め固定すると、二等辺三角形の頂部の三箇所を本体ケース(1)上に固定できるため、固定プレート(65)を少ない本数のビスで安定して、且つ固定プレート(65)の反りや、変形を抑えて固定できる。   As described above, the electric shaver according to the present invention engages the hooking claw (60) provided on the outer peripheral edge side of the fixed plate (65) with the recessed portion (40) provided in the inner case (4), and the main body case ( 1) Since screws are fixed to the upper bosses (16) and (16), screws can be omitted for the hooks (60). For this reason, when hooks (60) are provided on the front edge of the fixed plate (65) and both ends of the rear edge are fixed to the main body case (1) with screws, the three parts of the top of the isosceles triangle are located on the main body case ( 1) Since it can be fixed on top, the fixing plate (65) can be stably fixed with a small number of screws, and the fixing plate (65) can be fixed while suppressing warping and deformation.

このため、固定プレート(65)の窓孔(66)を塞ぐシール部材(6)の外周部を窓孔(66)の縁部で均等に押圧して、安定したシール効果を保つことができる。
固定プレート(65)の掛り爪(60)と内ケース(4)の凹み部(40)の係合は、ビス止めに較べて手間が掛からないから、固定プレート(65)取付け用のビスの本数が減ると、組立の能率を高めることができる。
For this reason, the outer peripheral part of the sealing member (6) which closes the window hole (66) of the fixed plate (65) can be uniformly pressed by the edge part of the window hole (66), and a stable sealing effect can be maintained.
The engagement between the hooking claw (60) of the fixed plate (65) and the recessed portion (40) of the inner case (4) is less time-consuming than the screw fixing, so the number of screws for mounting the fixed plate (65) If it decreases, the efficiency of an assembly can be improved.

振動子(72)(72a)は、その固定用ビス(77)(77)を含めて防水ケース(5)内に収容されているから、ビス(77)(77)は耐錆性を問題としない安価なビスを使用できる。又、該ビスにはOリングを装着する必要はないから、従来の様に該Oリングに起因する組立の手間、本体ケース(1)の防水性の信頼性の問題も解消される。   Since the vibrators (72) and (72a) are housed in the waterproof case (5) including the fixing screws (77) and (77), the screws (77) and (77) have a problem with rust resistance. You can use cheap screws. In addition, since it is not necessary to attach an O-ring to the screw, the trouble of assembling caused by the O-ring and the problem of the reliability of the waterproofness of the main body case (1) as in the prior art are solved.

固定プレート(65)を本体ケース(1)に取り付けるためのネジ穴(17)(17)が、本体ケース(1)上の後側壁に側に位置するボス(16)(16)に開設されているため、外刃カセット(8)をロックするロック片(9)をロック方向に付勢するバネ(93)を、ボス(16)(16)に邪魔されることなく、即ち、固定プレート(65)を固体するためのビス(69)に邪魔されることなく、本体ケース(1)のヘッド部(12)の両端に収容できるから、ヘッド部(12)の小型化に寄与できる。   Screw holes (17) and (17) for attaching the fixing plate (65) to the body case (1) are opened in the bosses (16) and (16) located on the rear side wall on the body case (1). Therefore, the spring (93) for urging the locking piece (9) for locking the outer blade cassette (8) in the locking direction is not obstructed by the bosses (16), (16), that is, the fixing plate (65 ) Can be accommodated at both ends of the head portion (12) of the main body case (1) without being obstructed by the screws (69) for solidifying, so that the head portion (12) can be reduced in size.

本体ケース(1)は、モータ(32)及び配線基板(33)を収容する第1空間(24)と、充電池を収容する第2空間(25)の夫々通気孔(19a)(19b)は、本体ケース(1)の背に開設されているから、該通気孔(19a)(19b)に対して、後方から同時に防水フィルター(19d)(19d)を装着できるから、防水フィルター(19d)の取付け作業性がよい。   The main body case (1) includes a first space (24) for accommodating the motor (32) and the wiring board (33), and a vent hole (19a) (19b) for the second space (25) for accommodating the rechargeable battery. Since it is established on the back of the main body case (1), the waterproof filter (19d) (19d) can be attached to the vent hole (19a) (19b) from the rear at the same time. Installation workability is good.

上記通気孔(19a)(19b)を本体ケース(1)の定格表示ラベル等のラベル(21)を貼るラベル貼着部(19)上に開設しているから、通気孔(19a)(19b)に対応して小孔(22)(22)を開設したラベル(21)をラベル貼着部(19)に貼ると、本体ケース(1)の通気孔(19a)(19b)に施した防水フィルター(19d)(19d)の存在を隠して体裁をよくできる。   Since the vent holes (19a) and (19b) are provided on the label attaching part (19) to which the label (21) such as the rating display label of the main body case (1) is attached, the vent holes (19a and 19b) When the label (21) with the small holes (22) and (22) opened is attached to the label affixing part (19), the waterproof filter applied to the vent holes (19a) and (19b) of the body case (1) (19d) Hides the presence of (19d) and improves appearance.

上記説明は、本発明を説明するためのものであって、特許請求の範囲に記載の発明を限定し、或は範囲を減縮する様に解すべきではない。又、本発明の各部構成は上記実施例に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能であることは勿論である。   The above description is provided to illustrate the present invention and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.

例えば、実施例では、固定プレート(65)の前縁に掛り爪(60)を設けたが、後縁に掛り爪(60)を設け、内ケース(4)の後壁に該掛り爪(60)の嵌まる凹み部(40)を開設することも可能である。
その場合、固定プレート(65)のビス挿通孔(68)(68)は固定プレート(65)前縁側の両隅に設け、本体ケース(1)の前側のボス(18)(18)にビス止めすればよい。
For example, in the embodiment, the hooking claw (60) is provided on the front edge of the fixed plate (65), but the hooking claw (60) is provided on the rear edge, and the hooking claw (60 is provided on the rear wall of the inner case (4). It is also possible to open a recess (40) into which a) is fitted.
In that case, the screw insertion holes (68) and (68) of the fixed plate (65) are provided at both corners on the front edge of the fixed plate (65), and screwed to the bosses (18) and (18) on the front side of the body case (1). do it.

又、実施例では、固定プレート(65)の掛り爪(60)が嵌まる凹み部(40)を内ケース(4)に開設したが、該凹み部(40)を本体ケース(1)に直接に或いは、内ケース(4)の様に本体ケース(1)に固定される部品に開設してもよい。このため、特許請求の範囲では、凹み部(40)を本体ケース(1)上に開設すると表現した。   In the embodiment, the recess (40) in which the latching claw (60) of the fixing plate (65) is fitted is provided in the inner case (4), but the recess (40) is directly formed in the main body case (1). Alternatively, it may be opened in a part fixed to the main body case (1) like the inner case (4). For this reason, in the claim, it expressed that the recessed part (40) was opened on a main body case (1).

又、実施例では、固定プレート(65)をビス止めすめためのネジ穴(17)(17)は、内ケース(4)を貫通して内ケース(4)内に侵入したボス(16)(16)に開設したが、内ケース(4)に該ボスに相当するものを突設して、該ボスにネジ穴(17)(17)を開設することもできる。この場合、内ケース(4)を他の手段で本体ケース(1)に固定すればよい。このため、特許請求の範囲では、ネジ穴(17)(17)を本体ケース(1)上に開設すると表現した。   Further, in the embodiment, the screw holes (17) (17) for screwing the fixing plate (65) through the inner case (4) penetrate into the inner case (4) and the bosses (16) ( Although it was established in 16), it is also possible to project the inner case (4) corresponding to the boss and open the screw holes (17), (17) in the boss. In this case, the inner case (4) may be fixed to the main body case (1) by other means. For this reason, in the claim, it expressed that the screw hole (17) (17) was opened on a main body case (1).

電気かみそりの斜視図である。It is a perspective view of an electric razor. 電気かみそりの分解斜視図である。It is a disassembled perspective view of an electric razor. 防水ケース蓋、シール部材、固定プレートを分解した電気かみそりの斜視図である。正面図である。It is a perspective view of the electric razor which decomposed | disassembled the waterproof case lid, the sealing member, and the fixed plate. It is a front view. 振動子、防水ケース蓋、シール部材、固定プレート、ロック片の分解斜視図である。It is a disassembled perspective view of a vibrator, a waterproof case lid, a seal member, a fixing plate, and a lock piece. 電気かみそりのヘッド部の縦断面図である。It is a longitudinal cross-sectional view of the head part of an electric razor. 電気かみそりの背面図である。It is a rear view of an electric razor. 図7A−A線に沿う断面図である。It is sectional drawing which follows FIG. 7A-A line. 防水ケース蓋、シール部材、固定プレートを外した状態の電気かみそりの平面図である。It is a top view of the electric shaver of the state which removed the waterproof case cover, the sealing member, and the fixed plate. 従来例の電気かみそりのヘッド部の縦断面図である。It is a longitudinal cross-sectional view of the head part of the electric shaver of a prior art example. 従来例の電気かみそりの外刃カセットを外したヘッド部の斜視図である。It is a perspective view of the head part which removed the outer blade cassette of the electric shaver of the prior art example.

1 本体ケース
11 筒状ハンドル
19 ラベル貼着部
2 作動ユニット
24 第1空間
25 第2空間
3 電装部
4 内ケース
40 凹み部
5 防水ケース
6 シール部材
60 掛り爪
65 固定プレート
7 駆動部
72 振動子
75 往復運動軸
79 内刃
8 外刃カセット
82 外刃
9 ロック片
1 Body case
11 Tubular handle
19 Label sticking part 2 Actuating unit
24 1st space
25 2nd space 3 Electrical component 4 Inner case
40 Recess 5 Waterproof case 6 Seal member
60 Hanging claws
65 Fixed plate 7 drive section
72 transducers
75 Reciprocating axis
79 Inner blade 8 Outer blade cassette
82 Outer blade 9 Lock piece

Claims (7)

本体ケース(1)のヘッド部(12)に、往復運動軸(75)(75a)に連繋された可動内刃(79)と該内刃(79)に被さった外刃(82)を具え、往復運動軸(75)(75a)は本体ケース(1)上に固定された固定プレート(65)の窓孔(66)を貫通し、該窓孔(66)は往復運動軸(75)(75a)の動きを妨げずに窓孔(66)のシールを画るシール部材(6)で塞がれ、該シール部材(6)は、固定プレート(65)によって押圧保持されている電気かみそりにおいて、固定プレート(65)の外周縁側には掛り爪(60)が設けられ、固定プレート(65)は本体ケース(1)上に設けた凹み部(40)に前記掛り爪(60)を嵌めると共に本体ケース(1)上にビス止めされている、電気かみそり。   The head portion (12) of the main body case (1) is provided with a movable inner blade (79) connected to the reciprocating motion shaft (75) (75a) and an outer blade (82) covering the inner blade (79). The reciprocating shaft (75) (75a) passes through the window hole (66) of the fixed plate (65) fixed on the body case (1), and the window hole (66) is reciprocating shaft (75) (75a ) Is sealed with a seal member (6) that seals the window hole (66) without hindering the movement of the window hole (66), and the seal member (6) is pressed and held by the fixing plate (65). A hooking claw (60) is provided on the outer peripheral side of the fixed plate (65), and the fixing plate (65) is fitted with the hooking claw (60) in a recess (40) provided on the main body case (1) and the main body. An electric razor screwed on the case (1). 本体ケース(1)のヘッド部(12)は、可動内刃(79)の直線往復方向に横長であって、ヘッド部(12)の長手方向に沿う両側壁の内、一方の側壁に凹み部(40)が形成され、他方の側壁の両端寄りに、固定プレート取付け用のネジ穴(17)(17)が開設されている、請求項1に記載の電気かみそり。   The head portion (12) of the main body case (1) is horizontally long in the linear reciprocating direction of the movable inner blade (79), and is recessed on one of the side walls along the longitudinal direction of the head portion (12). The electric shaver according to claim 1, wherein (40) is formed, and screw holes (17), (17) for attaching the fixing plate are formed near both ends of the other side wall. 本体ケース(1)上の凹み部(40)及びビス止め用ネジ穴(17)(17)は、本体ケース(1)に取り付けられた部品、又は本体ケース(1)に直接に設けられている、請求項1又は2に記載の電気かみそり。   The recessed part (40) on the main body case (1) and the screw holes (17), (17) for screwing are directly provided in the parts attached to the main body case (1) or the main body case (1). The electric shaver according to claim 1 or 2. 本体ケース(1)のヘッド部(12)に、偏芯運動をする駆動軸(71)に振動子(72)を介して可動内刃(79)が取り付けられ、該内刃(79)に外刃(82)が被さっている電気かみそりであって、振動子(72)は、内刃連結用の往復運動軸(75)(75a)の下端両端に可撓性腕片(74)(74)を突設し、両腕片(74)(74)が振動子取付け専用のボス(43)(43)にビス止め固定され、腕片(74)(74)は固定用のビス(77)(77)を含めて防水ケース(5)内に収容され、該防水ケース(5)から往復運動軸(75)(75a)が液密に外部に突出している、電気かみそり。   A movable inner blade (79) is attached to the head portion (12) of the main body case (1) via a vibrator (72) on a drive shaft (71) that performs an eccentric motion. An electric razor covered with a blade (82), wherein the vibrator (72) has flexible arm pieces (74) (74) at both ends of a reciprocating motion shaft (75) (75a) for connecting the inner blade. The arm pieces (74) and (74) are fixed to the bosses (43) and (43) dedicated to mounting the vibrator with screws, and the arm pieces (74) and (74) are fixed screws (77) ( 77) An electric shaver, which is housed in a waterproof case (5) including 77), and the reciprocating shafts (75) and (75a) project liquid-tightly from the waterproof case (5). 請求項2の電気かみそりにおいて、外刃(82)を横長の囲い壁(81)に収容して外刃カセット(8)を構成し、該外刃カセット(8)を、本体ケース(1)に着脱可能且つロック片(9)(9)によって取付け状態にロックしており、ロック片(9)(9)は本体ケース(1)のヘッド部(12)の両端に位置して、バネ(93)(93)によってロック方向へ付勢され、ロック片(9)に突設され本体ケース(1)から臨出したロック解除片(92)をバネ(93)に抗して押圧して外刃カセット(8)のロックを解除できる、電気かみそり。   The electric shaver according to claim 2, wherein the outer cutter (82) is accommodated in a horizontally long enclosure wall (81) to constitute an outer cutter cassette (8), and the outer cutter cassette (8) is attached to the body case (1). The lock pieces (9) and (9) are detachably attached and locked in the attached state, and the lock pieces (9) and (9) are positioned at both ends of the head portion (12) of the main body case (1) and springs (93 ) (93) is urged in the locking direction, protrudes from the lock piece (9) and protrudes from the main body case (1) against the spring (93) to press the outer cutter. Electric shaver that can unlock the cassette (8). 本体ケース(1)内に、可動内刃駆動用のモータ(32)、配線基板(33)、充電池(37)を収容して本体ケース(1)内への水の侵入を防ぐ防水を施した電気かみそりにおいて、モータ(32)及び配線基板(33)を収容する第1空間(24)と、充電池を収容する第2空間(25)とを気密に仕切り、第1、第2両空間(24)(25)に、本体ケース(1)外に開口する通気孔(19a)(19b)が開設され、該通気孔(19a)(19b)は、一方向から同時に防水フィルター(19d)(19d)を装着可能な位置に開設されている、電気かみそり。   The body case (1) contains a motor (32) for driving the movable inner blade, a wiring board (33), and a rechargeable battery (37), and is waterproof to prevent water from entering the body case (1). In the electric shaver, the first space (24) for accommodating the motor (32) and the wiring board (33) and the second space (25) for accommodating the rechargeable battery are hermetically partitioned, and both the first and second spaces are provided. In (24) and (25), vent holes (19a) and (19b) that open to the outside of the main body case (1) are opened, and the vent holes (19a) and (19b) are formed simultaneously from one direction with the waterproof filter (19d) ( 19d) An electric razor opened at a position where it can be mounted. 第1空間(24)の通気孔(19a)と第2空間(25)の通気孔(19b)は、本体ケース(1)の定格表示ラベル等のラベルを貼るラベル貼着部(19)上に開設され、ラベル(21)には通気孔(19a)(19b)に重なる小孔(22)(22)が開設されている、請求項6記載の電気かみそり。   The vent hole (19a) of the first space (24) and the vent hole (19b) of the second space (25) are placed on the label attaching part (19) for attaching a label such as a rating display label of the main body case (1). The electric shaver according to claim 6, wherein a small hole (22) (22) is formed in the label (21) so as to overlap the vent hole (19a) (19b).
JP2007086495A 2007-03-29 2007-03-29 Electric shaver Withdrawn JP2008237813A (en)

Priority Applications (1)

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JP2007086495A JP2008237813A (en) 2007-03-29 2007-03-29 Electric shaver

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019171068A (en) * 2018-03-29 2019-10-10 ブラウン ゲーエムベーハー Electric shaver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019171068A (en) * 2018-03-29 2019-10-10 ブラウン ゲーエムベーハー Electric shaver
US11458644B2 (en) 2018-03-29 2022-10-04 Braun Gmbh Electric shaver

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