JP6671954B2 - Small electrical equipment and beauty equipment - Google Patents

Small electrical equipment and beauty equipment Download PDF

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JP6671954B2
JP6671954B2 JP2015257178A JP2015257178A JP6671954B2 JP 6671954 B2 JP6671954 B2 JP 6671954B2 JP 2015257178 A JP2015257178 A JP 2015257178A JP 2015257178 A JP2015257178 A JP 2015257178A JP 6671954 B2 JP6671954 B2 JP 6671954B2
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battery
case
holding
wall
peripheral surface
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JP2017120730A5 (en
JP2017120730A (en
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武則 岡村
武則 岡村
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Maxell Holdings Ltd
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Maxell Holdings Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Electrotherapy Devices (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Battery Mounting, Suspending (AREA)

Description

本発明は、電装品を駆動するための電池を備えている小型電気機器に関し、とくに本体ケースの内部に設けた電池収容部の構造の改良と、美容器具の本体ケースの一端に設けた肌処理ヘッドの外面を覆う保護キャップの改良に関する。   The present invention relates to a small electric device having a battery for driving an electric component, particularly to an improvement in the structure of a battery housing provided inside a main body case and a skin treatment provided at one end of a main body case of a beauty tool. The present invention relates to an improvement in a protective cap for covering an outer surface of a head.

電池収容部の構造に関して特許文献１の電池ケースが公知である。そこでは、角箱状のケースとケースの上開口を塞ぐ蓋体で電池ケースを構成し、ケースの内部に円筒形の電池を収容できるようにしている。ケース底壁の長手方向の２個所には、電池の周面を受止める保持リブが突設してあり、その上端に電池の周面を受止める部分円弧状の受座が形成してある。また、片方の保持リブに隣接して、電池の端部周縁を受座へ向かって摺動案内するガイドリブが突設してある。電池をケースに収容して保持リブに装着した状態では、電池の下周面とケースの底壁との間に隙間が形成されている。   Regarding the structure of the battery housing, a battery case disclosed in Patent Document 1 is known. Here, a battery case is constituted by a square box-shaped case and a lid closing the upper opening of the case so that a cylindrical battery can be accommodated inside the case. At two locations in the longitudinal direction of the bottom wall of the case, holding ribs for receiving the peripheral surface of the battery protrude, and a partially arcuate seat for receiving the peripheral surface of the battery is formed at the upper end thereof. Further, a guide rib is provided adjacent to one of the holding ribs for slidingly guiding the peripheral edge of the battery toward the receiving seat. When the battery is housed in the case and mounted on the holding rib, a gap is formed between the lower peripheral surface of the battery and the bottom wall of the case.

本発明に係る美容器具は、例えば肌面に熱刺激を付与し、あるいは電流を供給する美容器具に適用されるが、この種の美容器具は本出願人の提案に係る特許文献２に公知である。そこでは、本体ケースの一端に温熱ヘッドおよび冷熱ヘッドからなる肌処理ヘッドが設けてあり、温熱ヘッドが肌電極を兼ねている。   The beauty device according to the present invention is applied to, for example, a beauty device that applies a thermal stimulus to the skin surface or supplies an electric current. This type of beauty device is known from Patent Document 2 proposed by the present applicant. is there. There, a skin treatment head including a heating head and a cooling head is provided at one end of the main body case, and the heating head also serves as a skin electrode.

実開平４−２４２６０号公報（４頁３〜１８行、第１図）Japanese Utility Model Laid-Open No. 4-24260 (p. 4, lines 3 to 18, FIG. 1) 特開２０１４−１８４００１号公報（段落番号００５２〜００５３、図３）JP 2014-184001 A (paragraph numbers 0052 to 0053, FIG. 3)

特許文献１の電池ケースによれば、電池をケースに収容した状態において、電池の下周面を保持リブの部分円弧状の受座で受止めるので、電池を安定した状態で保持できる。しかし、ケースに収容した電池の下周面とケースの底壁との間に隙間が形成されるので、電池ケースが占めるスペースが大きくなるのを避けられない。また、電池ケースを小型電気機器の本体ケースの内部に収容する場合には、本体ケースが大きくなりやすい。   According to the battery case disclosed in Patent Literature 1, when the battery is housed in the case, the lower peripheral surface of the battery is received by the partially arcuate seat of the holding rib, so that the battery can be held in a stable state. However, since a gap is formed between the lower peripheral surface of the battery housed in the case and the bottom wall of the case, the space occupied by the battery case cannot be avoided. Further, when the battery case is housed inside the main body case of the small electric device, the main body case tends to be large.

本発明の目的は、本体ケースの内部において電池および電池ケースが占めるスペースを小さくして本体ケースをコンパクト化でき、しかも、電池収容部に装着した電池が遊動するのを確実に防止して、長期にわたって安定した状態で電源機能を発揮できる小型電気機器を提供することにある。
本発明の目的は、肌処理ヘッドに装着した保護キャップの保護機能を強化でき、しかも保護キャップの保護構造を好適化して構造強度を増強できるようにした美容器具を提供することにある。 An object of the present invention is to reduce the space occupied by the battery and the battery case inside the main body case, to make the main body case compact, and to surely prevent the battery attached to the battery housing from floating, and An object of the present invention is to provide a small electric device that can exhibit a power supply function in a stable state over a long period of time.
An object of the present invention is to provide a beauty tool which can enhance the protective function of a protective cap attached to a skin treatment head, and can enhance the structural strength by optimizing the protective structure of the protective cap.

本発明に係る小型電気機器は、本体ケース１の内部に電池収容部２８を備えた電池ケース２６を設ける。電池ケース２６は、電池２７の周面を受止める保持壁２９Ｌ・２９Ｒと、電池２７を装填するための装填口３１を備えている。図１に示すように、装填口３１と正対する保持壁２９Ｌ・２９Ｒに、電池収容部２８に装填した電池２７の周面の一部を受入れる逃げ部３２が形成してあることを特徴とする。   In the small electric device according to the present invention, a battery case 26 having a battery housing 28 is provided inside the main body case 1. The battery case 26 includes holding walls 29L and 29R for receiving the peripheral surface of the battery 27, and a loading port 31 for loading the battery 27. As shown in FIG. 1, a relief portion 32 for receiving a part of the peripheral surface of the battery 27 loaded in the battery housing portion 28 is formed in the holding walls 29L and 29R facing the loading port 31. .

図１に示すように、逃げ部３２は貫通穴で形成する。   As shown in FIG. 1, the escape portion 32 is formed by a through hole.

電池収容部２８に装填した電池２７の周面の一部が、保持壁２９Ｌ・２９Ｒの内面から逃げ部３２の逃げ空間Ｓ内に入り込むようにする。   A part of the peripheral surface of the battery 27 loaded in the battery accommodating portion 28 enters the escape space S of the escape portion 32 from the inner surfaces of the holding walls 29L and 29R.

逃げ空間Ｓにおける電池２７の入り込み量Ｔ２は、逃げ空間Ｓの厚みＴ１の半分以上に設定する。   The entry amount T2 of the battery 27 in the escape space S is set to be equal to or more than half the thickness T1 of the escape space S.

装填口３１の対向辺部に、装填口３１の外に露出する電池２７の周面を押え保持して、電池２７の抜け出しを規制する保持爪３３・３４を設ける。片方の辺部に設けた保持爪３４の装填口３１からの突出長さＨ１を、他方の辺部に設けた保持爪３３の装填口３１からの突出長さＨ２より大きく設定する（図１参照）。   Holding claws 33 and 34 are provided on opposite sides of the loading port 31 for holding down the peripheral surface of the battery 27 exposed outside the loading port 31 and restricting the battery 27 from coming out. The protruding length H1 of the holding claw 34 provided on one side from the loading port 31 is set to be longer than the protruding length H2 of the holding claw 33 provided on the other side from the loading port 31 (see FIG. 1). ).

保持壁２９Ｌ・２９Ｒの長手方向両端に連続して一対の保持端壁３０を設ける。図５に示すように、保持端壁３０のいずれか一方に、電池収容部２８に装填した電池２７を対向する保持端壁３０へ向かって押圧する弾性片３５を設ける。   A pair of holding end walls 30 are provided continuously at both longitudinal ends of the holding walls 29L and 29R. As shown in FIG. 5, one of the holding end walls 30 is provided with an elastic piece 35 for pressing the battery 27 loaded in the battery accommodating portion 28 toward the opposing holding end wall 30.

図４に示すように電池ケース２６は、一対の保持壁２９Ｌ・２９Ｒおよび一対の保持端壁３０で矩形ケース状に構成する。各保持壁２９Ｌ・２９Ｒの外面両端に張出し形成した締結座３７を、締結体３９で本体ケース１に固定する。   As shown in FIG. 4, the battery case 26 is formed in a rectangular case shape by a pair of holding walls 29L and 29R and a pair of holding end walls 30. Fastening seats 37 protruding from both ends of the outer surfaces of the holding walls 29L and 29R are fixed to the main body case 1 by fastening bodies 39.

電池収容部２８の装填口３１と正対する本体ケース１の内面に、電池２７の周面に密着する弾性体４６を設ける（図１、図５参照）。   An elastic body 46 is provided on the inner surface of the main body case 1 facing the loading port 31 of the battery accommodating portion 28 so as to be in close contact with the peripheral surface of the battery 27 (see FIGS. 1 and 5).

図１２、図１３に示すように逃げ部３２の外開口側に一対の保持壁２９Ｌ・２９Ｒを橋絡する複数の補強リブ７６を形成する。逃げ部３２の逃げ空間Ｓに入り込んだ電池２７の周面を補強リブ７６で受止める。   As shown in FIGS. 12 and 13, a plurality of reinforcing ribs 76 are formed on the outer opening side of the escape portion 32 to bridge the pair of holding walls 29L and 29R. The peripheral surface of the battery 27 that has entered the escape space S of the escape portion 32 is received by the reinforcing rib 76.

本発明に係る美容器具は、本体ケース１の端部に、肌電極２４を含む肌処理ヘッド２が設けられており、肌処理ヘッド２の外面に保護キャップ５１が着脱可能に装着してある。綿マットＭを肌電極２４に装着するためのリング状のキャップ１１は、肌電極２４に着脱可能に装着してある。図７に示すように、キャップ１１を肌電極２４に装着した状態のままで、保護キャップ５１を肌処理ヘッド２に着脱できることを特徴とする。   In the beauty device according to the present invention, a skin treatment head 2 including a skin electrode 24 is provided at an end of the main body case 1, and a protective cap 51 is detachably attached to an outer surface of the skin treatment head 2. The ring-shaped cap 11 for attaching the cotton mat M to the skin electrode 24 is detachably attached to the skin electrode 24. As shown in FIG. 7, the protection cap 51 can be attached to and detached from the skin treatment head 2 while the cap 11 is attached to the skin electrode 24.

本体ケース１の前面の端部にヘッドケース１３が突設されて、同ケース１３の前端に肌電極２４が設けてある。ヘッドケース１３は、突出基端の首部２２と、首部２２の前端に張出し形成したキャップ装着部２３を備えている。保護キャップ５１は、肌電極２４の前面および上面を覆う前保護部５２と、肌処理ヘッド２の上方から前記首部２２に着脱可能に装着される一対のクリップ片６４を一体に備えている（図１０参照）。クリップ片６４を前記首部２２に係合装着した状態において、図７に示すようにストッパー部６５をヘッドケース１３と本体ケース１で前後動不能に係合保持して、前保護部５２の前カバー壁５４を肌電極２４と小さな隙間を介して対向させる。   A head case 13 protrudes from the front end of the main body case 1, and a skin electrode 24 is provided at the front end of the case 13. The head case 13 includes a neck 22 at a protruding base end, and a cap mounting portion 23 formed to project from the front end of the neck 22. The protective cap 51 integrally includes a front protective portion 52 that covers the front surface and the upper surface of the skin electrode 24, and a pair of clip pieces 64 that are detachably attached to the neck portion 22 from above the skin processing head 2 (FIG. 10). In a state where the clip piece 64 is engaged with the neck 22, the stopper 65 is engaged and held by the head case 13 and the main body case 1 so as not to move back and forth as shown in FIG. The wall 54 faces the skin electrode 24 via a small gap.

保護キャップ５１は、肌電極２４の外面を覆う前保護部５２と、本体ケース１の上部および上部背面を覆う後保護部５３を備えている。前保護部５２と後保護部５３は、左右一対の弾性変形可能な帯状の横橋絡壁６０を介して連続している。図９に示すように、横橋絡壁６０の内面にクリップ片６４を設ける。   The protection cap 51 includes a front protection part 52 covering the outer surface of the skin electrode 24 and a rear protection part 53 covering the upper part and the upper rear surface of the main body case 1. The front protection part 52 and the rear protection part 53 are continuous via a pair of left and right elastically deformable band-shaped horizontal bridge walls 60. As shown in FIG. 9, clip pieces 64 are provided on the inner surface of the horizontal bridging wall 60.

横橋絡壁６０は、保護キャップ５１の内面側へ凹む谷部６２と、谷部６２に連続して外面側へ突出する山部６３で構成する。   The horizontal bridging wall 60 is composed of a valley portion 62 recessed toward the inner surface side of the protective cap 51 and a crest portion 63 protruding to the outer surface side following the valley portion 62.

横橋絡壁６０の外面に、保護キャップ５１を着脱するための指掛け片６６を突設する。   A finger hook 66 for attaching and detaching the protective cap 51 is provided on the outer surface of the horizontal bridge wall 60.

指掛け片６６は横橋絡壁６０の谷部６２に突設する。   The finger hook 66 protrudes from the valley 62 of the horizontal bridging wall 60.

前保護部５２と後保護部５３の上部どうしを帯状の上橋絡壁６１で繋ぐ。上橋絡壁６１の内面にストッパー部６５を形成する。   The upper parts of the front protection part 52 and the rear protection part 53 are connected to each other by a belt-shaped upper bridge wall 61. A stopper portion 65 is formed on the inner surface of the upper bridge wall 61.

上橋絡壁６１と左右の横橋絡壁６０の間に通気窓６７を開口する。   A ventilation window 67 is opened between the upper bridge wall 61 and the left and right horizontal bridge walls 60.

図１１に示すように、前保護部５２と後保護部５３のいずれか一方の外面に載置片７３を突設する。本体ケース１のグリップ端と載置片７３が載置面Ｆに接当して、横臥状態の本体ケース１を支持する。   As shown in FIG. 11, a mounting piece 73 protrudes from one of the outer surfaces of the front protection portion 52 and the rear protection portion 53. The grip end of the main body case 1 and the mounting piece 73 abut on the mounting surface F to support the main body case 1 in a lying state.

本発明においては、本体ケース１の内部に保持壁２９Ｌ・２９Ｒと、装填口３１を備えた電池ケース２６を設けるようにした。また、装填口３１と正対する保持壁２９Ｌ・２９Ｒに、電池収容部２８に装填した電池２７の周面の一部を受入れる逃げ部３２を形成するようにした。このように、電池ケース２６の内奥に逃げ部３２を形成すると、電池２７を電池収容部２８に装填した状態において、電池２７の周面の一部が逃げ部３２の逃げ空間Ｓ内に入り込むので、本体ケース１の内部において電池２７および電池ケース２６が占めるスペースを小さくでき、その分だけ本体ケース１をコンパクト化できる。   In the present invention, the battery case 26 having the holding walls 29L and 29R and the loading port 31 is provided inside the main body case 1. Further, an escape portion 32 for receiving a part of the peripheral surface of the battery 27 loaded in the battery accommodating portion 28 is formed in the holding walls 29L and 29R facing the loading port 31. As described above, when the escape portion 32 is formed inside the battery case 26, a part of the peripheral surface of the battery 27 enters the escape space S of the escape portion 32 in a state where the battery 27 is loaded in the battery housing portion 28. Therefore, the space occupied by the battery 27 and the battery case 26 inside the main body case 1 can be reduced, and the main body case 1 can be downsized accordingly.

逃げ部３２を貫通穴で形成すると、逃げ部３２が凹部として形成してある場合に比べて、逃げ空間Ｓの厚みＴ１を大きくして、電池２７および電池ケース２６が占めるスペースをさらに小さくできる。   When the escape portion 32 is formed by a through hole, the thickness T1 of the escape space S can be increased and the space occupied by the battery 27 and the battery case 26 can be further reduced as compared with the case where the escape portion 32 is formed as a concave portion.

電池収容部２８に装填した電池２７の周面の一部が、保持壁２９Ｌ・２９Ｒの内面から逃げ部３２の逃げ空間Ｓ内に入り込むようにすると、電池２７の周面の２個所を逃げ空間Ｓの左右の周縁壁で受止めて、電池を安定した状態で保持できる。   When a part of the peripheral surface of the battery 27 loaded in the battery accommodating portion 28 is made to enter the escape space S of the escape portion 32 from the inner surfaces of the holding walls 29L and 29R, two clearances on the peripheral surface of the battery 27 are released. The battery can be held in a stable state by being received by the left and right peripheral walls of S.

逃げ空間Ｓにおける電池２７の入り込み量Ｔ２は、逃げ空間Ｓの厚みＴ１の半分以上に設定することが好ましい。電池２７の入り込み量Ｔ２が、逃げ空間Ｓの厚みＴ１の半分未満であると、本体ケース１の内部において電池２７および電池ケース２６が占めるスペースを減少する効果を十分に発揮できない。より好ましくは、電池２７の入り込み量Ｔ２が、逃げ空間Ｓの厚みＴ１と同じになるようにする。因みに、電池２７の入り込み量Ｔ２が、逃げ空間Ｓの厚みＴ１を越えると、電池２７の周面が電池ケース２６の内奥壁から露出するので、露出部分を収容するためのスペースを別途確保する必要がある。   It is preferable that the entering amount T2 of the battery 27 in the escape space S is set to be equal to or more than half of the thickness T1 of the escape space S. If the amount of entry T2 of the battery 27 is less than half the thickness T1 of the escape space S, the effect of reducing the space occupied by the battery 27 and the battery case 26 inside the main body case 1 cannot be sufficiently exhibited. More preferably, the amount of entry T2 of the battery 27 is made equal to the thickness T1 of the escape space S. Incidentally, when the amount of entry T2 of the battery 27 exceeds the thickness T1 of the escape space S, the peripheral surface of the battery 27 is exposed from the inner deep wall of the battery case 26, so that a space for accommodating the exposed portion is separately secured. There is a need.

装填口３１の対向辺部に保持爪３３・３４を設けると、装填口３１の外に露出する電池２７の周面を保持爪３３・３４で押え保持して、電池２７が電池ケース２６から抜出すのを確実に規制できる。また、片方の辺部に設けた保持爪３４の装填口３１からの突出長さＨ１が、他方の辺部に設けた保持爪３３の装填口３１からの突出長さＨ２より大きく設定してあると、電池２７を電池収容部２８に容易に装填できる。詳しくは、突出長さＨ１が大きな保持爪３４の側に電池２７をあてがって仮組し、突出長さＨ２が小さい側の保持爪３３に電池の周面をあてがって押込み操作することで、電池２７を電池ケース２６にパチンと嵌め込むことができる。   When the holding claws 33 and 34 are provided on the opposite sides of the loading port 31, the peripheral surface of the battery 27 exposed outside the loading port 31 is pressed and held by the holding claws 33 and 34, and the battery 27 is removed from the battery case 26. It is possible to reliably control the release. Further, the length H1 of the holding claw 34 provided on one side from the loading port 31 is set to be longer than the length H2 of the holding claw 33 provided on the other side from the loading port 31. Thus, the battery 27 can be easily loaded into the battery housing portion 28. More specifically, the battery 27 is temporarily assembled by applying the battery 27 to the side of the holding claw 34 having the larger protruding length H1, and by pressing the peripheral surface of the battery to the holding claw 33 of the side having the smaller protruding length H2 to perform a pushing operation. 27 can be snapped into the battery case 26.

保持端壁３０のいずれか一方に弾性片３５を設けるようにした電池ケース２６によれば、電池収容部２８に装填した電池２７を弾性片３５で対向する保持端壁３０へ向かって押圧して、電池２７が長手方向へ移動しようとするのを規制できる。従って、保持壁２９Ｌ・２９Ｒおよび保持爪３３・３４で電池２７を保持固定することに加えて、弾性片３５の弾性変形力によっても電池２７を保持固定して、より強固に電池２７を保持固定できる。   According to the battery case 26 in which the elastic piece 35 is provided on any one of the holding end walls 30, the battery 27 loaded in the battery accommodating portion 28 is pressed by the elastic piece 35 toward the opposing holding end wall 30. The battery 27 can be prevented from moving in the longitudinal direction. Therefore, in addition to holding and fixing the battery 27 with the holding walls 29L and 29R and the holding claws 33 and 34, the battery 27 is also held and fixed by the elastic deformation force of the elastic piece 35, thereby holding and fixing the battery 27 more firmly. it can.

矩形ケース状に構成した電池ケース２６の内奥に逃げ部３２を形成すると、電池ケース２６の構造強度が低下して脆弱になりやすい。しかし、電池ケース２６の各保持壁２９Ｌ・２９Ｒの外面両端に締結座３７を張出し、これらの締結座３７を締結体３９で本体ケース１に固定すると、外力を受けた各保持壁２９Ｌ・２９Ｒがたわみ変形しようとするのを確実に防止して、電池ケース２６の構造強度を増強し耐久性を向上できる。また、電池ケース２６で本体ケース１のケース強度を補強して剛性を高めることができる。   When the escape portion 32 is formed inside the battery case 26 formed in a rectangular case shape, the structural strength of the battery case 26 is reduced, and the battery case 26 is likely to be fragile. However, when fastening seats 37 are extended to both ends of the outer surfaces of the holding walls 29L and 29R of the battery case 26, and these fastening seats 37 are fixed to the main body case 1 with the fastening members 39, the holding walls 29L and 29R which have been subjected to the external force become It is possible to reliably prevent the battery case 26 from being bent and deformed, thereby enhancing the structural strength of the battery case 26 and improving the durability. In addition, the battery case 26 can reinforce the case strength of the main body case 1 to increase rigidity.

電池収容部２８の装填口３１と正対する本体ケース１の内面に、電池２７の周面に密着する弾性体４６を設ける電源部構造によれば、弾性変形した弾性体４６で電池２７を電池ケース２６に押付けて、電池２７の動きを規制できる。また、電池２７と保持爪３３・３４の間に僅かな隙間があった場合でも、電池２７ががたつくのを弾性体４６で規制して、異音が発生するのを防止できる。   According to the power supply unit structure in which the elastic body 46 which is in close contact with the peripheral surface of the battery 27 is provided on the inner surface of the main body case 1 facing the loading port 31 of the battery housing portion 28, the battery 27 is elastically deformed. 26, the movement of the battery 27 can be regulated. Further, even when there is a slight gap between the battery 27 and the holding claws 33 and 34, the looseness of the battery 27 is regulated by the elastic body 46, so that generation of abnormal noise can be prevented.

逃げ部３２の外開口側に一対の保持壁２９Ｌ・２９Ｒを橋絡する複数の補強リブ７６を形成すると、逃げ部３２を間にして隣接する保持壁２９Ｌ・２９Ｒを補強リブ７６で補強して、電池ケース２６の構造強度を増強できる。また、逃げ部３２の逃げ空間Ｓに入り込んだ電池２７の周面を補強リブ７６で受止めることにより、電池２７を適正な装填位置に位置決めできる。   When a plurality of reinforcing ribs 76 for bridging the pair of holding walls 29L and 29R are formed on the outer opening side of the escape portion 32, the adjacent holding walls 29L and 29R are reinforced by the reinforcing rib 76 with the escape portion 32 interposed therebetween. Thus, the structural strength of the battery case 26 can be increased. In addition, by receiving the peripheral surface of the battery 27 that has entered the escape space S of the escape portion 32 with the reinforcing rib 76, the battery 27 can be positioned at an appropriate loading position.

本発明に係る美容器具では、本体ケース１の肌処理ヘッド２の外面に保護キャップ５１を着脱可能に装着できるようにした。このとき、綿マットＭ用のキャップ１１を肌電極２４に圧嵌装着した状態のままで、保護キャップ５１を肌処理ヘッド２に着脱できるようにした。こうした美容器具によれば、不使用時にキャップ１１を肌電極２４から取外して、本体ケース１とは別に収納保管する必要がないので、キャップ１１がどこかに紛れ込み、あるいは紛失するのを確実に解消できる。   In the beauty tool according to the present invention, the protective cap 51 can be detachably attached to the outer surface of the skin treatment head 2 of the main body case 1. At this time, the protective cap 51 can be attached to and detached from the skin treatment head 2 while the cap 11 for the cotton mat M is pressed and mounted on the skin electrode 24. According to such a beauty tool, it is not necessary to remove the cap 11 from the skin electrode 24 when not in use and to store and store the cap 11 separately from the main body case 1, so that the cap 11 is surely inserted or lost somewhere. Can be resolved.

肌電極２４の周囲を覆う前保護部５２と、一対のクリップ片６４を備えた保護キャップ５１によれば、クリップ片６４を首部２２に係合装着するだけで、保護キャップ５１を肌処理ヘッド２に簡単に装着できる。また、保護キャップ５１を肌処理ヘッド２に装着した状態では、前保護部５２の前カバー壁５４と肌電極２４が小さな隙間を介して対向するので、前カバー壁５４と肌電極２４が互いに擦れあうのを防止して、肌電極２４が傷付くのを確実に防止できる。なお、クリップ片６４を首部２２に係合装着した状態においては、クリップ片６４のクリップ爪７０が首部２２の下半周面に密着するようにすることが好ましい。   According to the front protection portion 52 covering the periphery of the skin electrode 24 and the protection cap 51 having the pair of clip pieces 64, the protection cap 51 is attached to the neck portion 22 only by engaging the clip piece 64 with the neck portion 22. Easy to install. Further, when the protective cap 51 is mounted on the skin processing head 2, the front cover wall 54 of the front protection section 52 and the skin electrode 24 face each other with a small gap therebetween, so that the front cover wall 54 and the skin electrode 24 rub against each other. This prevents the skin electrode 24 from being damaged. When the clip 64 is engaged with the neck 22, it is preferable that the clip pawl 70 of the clip 64 be in close contact with the lower half peripheral surface of the neck 22.

前保護部５２と後保護部５３を備えた保護キャップ５１において、前後の保護部５２・５３を一対の弾性変形可能な帯状の横橋絡壁６０を介して連続し、さらに横橋絡壁６０の内面にクリップ片６４を設けるようにした。こうした保護キャップ５１によれば、クリップ片６４が弾性変形しながら首部２２に係合するとき、横橋絡壁６０を同時に弾性変形させて、係合負荷がクリップ片６４に集中するのを防止して、早期に疲労破壊するのを解消できる。   In the protective cap 51 provided with the front protection part 52 and the rear protection part 53, the front and rear protection parts 52 and 53 are connected via a pair of elastically deformable band-shaped horizontal bridging walls 60. The clip piece 64 is provided on the inner surface of the. According to such a protective cap 51, when the clip piece 64 engages with the neck portion 22 while being elastically deformed, the horizontal bridge wall 60 is also elastically deformed at the same time, thereby preventing the engagement load from being concentrated on the clip piece 64. As a result, it is possible to eliminate early fatigue failure.

保護キャップ５１の内面側へ凹む谷部６２と、外面側へ突出する山部６３で横橋絡壁６０を構成すると、横橋絡壁６０が平坦な帯状の壁で形成してある場合に比べて、弾性変形する壁部分の長さを大きくして、横橋絡壁６０を弾性変形しやすい構造とすることができる。   When the horizontal bridging wall 60 is formed by the valley portion 62 recessed toward the inner surface side of the protective cap 51 and the crest portion 63 protruding toward the outer surface side, the horizontal bridging wall 60 is formed as compared with the case where the horizontal bridging wall 60 is formed by a flat band-shaped wall. Thus, the length of the wall portion that is elastically deformed can be increased, so that the horizontal bridging wall 60 can have a structure that is easily elastically deformed.

横橋絡壁６０の外面に指掛け片６６を突設した保護キャップ５１によれば、左右の指掛け片６６に親指と人差し指をあてがった状態で保護キャップ５１を首部２２に着脱することにより、保護キャップ５１を容易にしかも適確に着脱できる。また、保護キャップ５１を首部２２に対して適確に着脱できるので、着脱時に前カバー壁５４と肌電極２４が互いに擦れあうのを防止して、肌電極２４が傷付くのを防止できる。   According to the protective cap 51 in which the finger hanging pieces 66 protrude from the outer surface of the horizontal bridge wall 60, the protective cap 51 is attached to and detached from the neck 22 with the thumb and forefinger applied to the left and right finger hanging pieces 66. 51 can be easily and accurately attached and detached. Further, since the protective cap 51 can be properly attached to and detached from the neck 22, the front cover wall 54 and the skin electrode 24 can be prevented from rubbing each other at the time of attachment and detachment, and the skin electrode 24 can be prevented from being damaged.

横橋絡壁６０の谷部６２に指掛け片６６を突設すると、谷部６２の構造を指掛け片６６で補強して、横橋絡壁６０が拡開方向へ弾性変形する際に谷部６２が過度に変形するのを規制できる。また、クリップ爪７０の近傍に指掛け片６６が設けてあるので、指掛け片６６に加わる押込み力や抜出し力を効果的にクリップ爪７０に伝えて、程良いクリック感で保護キャップ５１を肌処理ヘッド２に着脱できる。   When the finger hooks 66 protrude from the valleys 62 of the cross bridge wall 60, the structure of the valleys 62 is reinforced by the finger hooks 66, and when the cross bridge wall 60 is elastically deformed in the expanding direction, the valleys 62 are formed. Can be restricted from being excessively deformed. In addition, since the finger hook 66 is provided in the vicinity of the clip hook 70, the pushing force and the pull-out force applied to the finger hook 66 are effectively transmitted to the clip hook 70, and the protective cap 51 is pressed with a moderate click feeling. 2 can be attached and detached.

前保護部５２と後保護部５３を上橋絡壁６１で繋ぎ、その内面にストッパー部６５を形成すると、保護キャップ５１を肌処理ヘッド２に装着した状態において、前保護部５２と後保護部５３をストッパー部６５で位置決めできる。また、左右の横橋絡壁６０と上橋絡壁６１の３者で後保護部５３を支持するので、後保護部５３の構造強度を増強できる。   When the front protection part 52 and the rear protection part 53 are connected by the upper bridging wall 61 and the stopper part 65 is formed on the inner surface thereof, the front protection part 52 and the rear protection part are provided with the protection cap 51 attached to the skin treatment head 2. 53 can be positioned by the stopper 65. In addition, since the left and right horizontal bridge walls 60 and the upper bridge wall 61 support the rear protection portion 53, the structural strength of the rear protection portion 53 can be enhanced.

上橋絡壁６１と左右の横橋絡壁６０の間に通気窓６７を開口すると、保護キャップ５１を肌処理ヘッド２に装着した状態において、通気窓６７に臨む肌処理ヘッド２の表面を外部空間に臨ませることができるので、肌処理ヘッド２の表面に付着した美容用液などの乾燥を促進できる。   When the ventilation window 67 is opened between the upper bridging wall 61 and the left and right horizontal bridging walls 60, the surface of the skin treatment head 2 facing the ventilation window 67 is exposed when the protective cap 51 is attached to the skin treatment head 2. Since the skin treatment head 2 can be exposed to the space, it is possible to promote the drying of the cosmetic liquid or the like attached to the surface of the skin treatment head 2.

前保護部５２と後保護部５３のいずれかに載置片７３が突設してあると、本体ケース１のグリップ端と載置片７３が載置面Ｆに接当する状態で美容器具を載置することにより、横臥姿勢にした美容器具をぐら付くことなく安定した状態で載置できる。   If the mounting piece 73 protrudes from either the front protection part 52 or the rear protection part 53, the beauty tool is placed in a state where the grip end of the main body case 1 and the mounting piece 73 abut on the mounting surface F. By mounting, the beauty tool in the lying position can be stably mounted without shaking.

図５におけるＡ−Ａ線断面図である。FIG. 6 is a sectional view taken along line AA in FIG. 5. 本発明の実施例１に係る美容器具の正面図である。It is a front view of the beauty tool concerning Example 1 of the present invention. キャップおよび保護キャップを分離した状態の美容器具の側面図である。It is a side view of the beauty tool of a state where a cap and a protection cap were separated. 前ケースおよび電池ケースの背面図である。It is a rear view of a front case and a battery case. 電源部の構造を示す、図２におけるＢ−Ｂ線断面図である。FIG. 3 is a sectional view taken along line BB in FIG. 2, showing a structure of a power supply unit. 電池ユニットおよび電池の横断平面図である。It is a cross-sectional plan view of a battery unit and a battery. 保護キャップを装着した状態の美容器具の縦断側面図である。It is a vertical side view of the beauty tool with the protective cap attached. 保護キャップおよび美容器具の平面図である。It is a top view of a protective cap and a beauty tool. 図７におけるＣ−Ｃ線断面図である。FIG. 8 is a sectional view taken along line CC in FIG. 7. 保護キャップのみの図７におけるＤ−Ｄ線断面図である。FIG. 8 is a sectional view taken along line DD in FIG. 7 of only the protective cap. 美容器具を載置面に載置した状態の側面図である。It is a side view in the state where the beauty tool was mounted on the mounting surface. 本発明の実施例２に係る電池ケースの横断平面図である。FIG. 6 is a cross-sectional plan view of a battery case according to Embodiment 2 of the present invention. 本発明の実施例２に係る電池ケースの斜視図である。It is a perspective view of the battery case concerning Example 2 of the present invention. 本発明の実施例３に係る電源部の横断平面図である。FIG. 9 is a cross-sectional plan view of a power supply unit according to a third embodiment of the present invention.

（実施例１） 図１ないし図１１は、本発明に係る美容器具（小型電気機器）の実施例１を示している。なお、本発明における前後、左右、上下とは、図２および図３に示す交差矢印と、各矢印の近傍に表記した前後、左右、上下の表示に従うものとする。 (Example 1) Figs. 1 to 11 show Example 1 of a beauty tool (small electric device) according to the present invention. The front, rear, left, right, and up and down in the present invention follow the cross arrows shown in FIGS. 2 and 3 and the front, rear, left, right, and up and down displayed near each arrow.

図２および図３において美容器具は、グリップを兼ねる縦長の本体ケース１と、本体ケース１の上部に設けた肌処理ヘッド２を備えている。肌処理ヘッド２は本体ケース１の前面上部に設けられる温熱ヘッド３と、本体ケース１の後面上部に膨出される冷熱ヘッド４を備えている。本体ケース１の前面の下部には卵形のスイッチパネル５が設けられて、その表面に電源投入用の電源ボタン部６と、運転モードを切換えるモードボタン部７と、印加電圧の強度を切換える切換えボタン部８とが設けてある。また、スイッチパネル５の上側のケース面には、運転モードの違いに応じて点灯される４個のモード表示灯（ＬＥＤ）９と、電流刺激の強度の違いに応じて点灯される３個の強度表示灯（ＬＥＤ）１０が設けてある。本体ケース１は、前後に分割形成された前ケース１ａと後ケース１ｂとで構成してあり、前後ケース１ａ・１ｂを後ケース１ｂの側からねじ込んだ３個のビスで締結して、縦長の中空ケース状に構成してある。図３において、符号Ｍは綿マット、符号１１は綿マットＭを温熱ヘッド３に装着するためのリング状のキャップである。キャップ１１の後開口縁には、後述するキャップ装着部２３に圧嵌係合するための係合リブ１１ａが突設してある。   2 and 3, the beauty tool includes a vertically long main body case 1 also serving as a grip, and a skin treatment head 2 provided on an upper portion of the main body case 1. The skin treatment head 2 includes a heating head 3 provided at an upper front portion of the main body case 1 and a cooling head 4 swelling at an upper rear portion of the main body case 1. An egg-shaped switch panel 5 is provided at the lower part of the front surface of the main body case 1, and a power button part 6 for turning on the power, a mode button part 7 for switching the operation mode, and a switch for switching the intensity of the applied voltage are provided on the surface. A button section 8 is provided. In addition, on the upper case surface of the switch panel 5, four mode indicators (LEDs) 9 that are turned on according to the difference in the operation mode, and three mode indicators (LEDs) 9 that are turned on according to the difference in the intensity of the current stimulus. An intensity indicator (LED) 10 is provided. The main body case 1 is composed of a front case 1a and a rear case 1b which are divided and formed front and rear. The front and rear cases 1a and 1b are fastened with three screws screwed in from the side of the rear case 1b. It is configured as a hollow case. In FIG. 3, reference numeral M denotes a cotton mat, and reference numeral 11 denotes a ring-shaped cap for attaching the cotton mat M to the heating head 3. An engagement rib 11a for press-fit engagement with a cap mounting portion 23 described later protrudes from a rear opening edge of the cap 11.

本体ケース１の前面の端部にはヘッドケース１３が突設されて、同ケース１３の前端に温熱ヘッド３が固定してある。本体ケース１の後面上部には、冷熱ヘッド４がケース外面へ露出する状態で配置してある。また、本体ケース１の後面下部には、放熱板を兼ねる上下に長い卵形のグリップ電極１４が露出させてある。本体ケース１の内部には、電源部１５が配置され、その前面側に制御基板１６が配置してある。温熱ヘッド３の内部にはヒーター１７が、冷熱ヘッド４の内部には、ペルチェ素子１８とヒートシンク１９が配置してある。制御基板１６には、ヒーター１７、ペルチェ素子１８などの作動状態を制御する制御回路が実装され、さらに、先の各ボタン部５・６・７に対応するスイッチ、および各表示灯９・１０などが実装してある（図５参照）。   A head case 13 projects from the front end of the main body case 1, and the heating head 3 is fixed to the front end of the case 13. A cooling / heating head 4 is arranged on an upper portion of a rear surface of the main body case 1 so as to be exposed to an outer surface of the case. A vertically long egg-shaped grip electrode 14 also serving as a heat radiating plate is exposed at a lower portion of a rear surface of the main body case 1. A power supply unit 15 is disposed inside the main body case 1, and a control board 16 is disposed on the front side thereof. A heater 17 is arranged inside the heating head 3, and a Peltier element 18 and a heat sink 19 are arranged inside the cooling head 4. A control circuit for controlling the operation states of the heater 17, the Peltier element 18, and the like is mounted on the control board 16, and further, switches corresponding to the respective button units 5, 6, and 7, and indicator lights 9, 10, and the like. (See FIG. 5).

図３において温熱ヘッド３は、本体ケース１に固定したヘッドケース１３の外開口を塞ぐ伝熱体２１と、ヘッドケース１３の内部に設けたヒーター１７などで構成する。プラスチック成形品からなるヘッドケース１３は、その突出基端に設けた丸筒状の首部２２と、首部２２の前端に張出し形成したキャップ装着部２３を備えており、キャップ装着部２３の前端に伝熱体２１が固定してある。伝熱体２１は肌電極２４を兼ねており、チタン板材を素材とするキャップ状のプレス成形品からなる。肌電極２４は先のグリップ電極１４と協同して、人体を介して肌面に微弱なパルス電流を作用させ、イオン導入用またはイオン導出用の電流刺激を与える。図７に示すように、キャップ１１はキャップ装着部２３に装着した状態で収納できる。   In FIG. 3, the heating head 3 includes a heat transfer body 21 that closes an outer opening of the head case 13 fixed to the main body case 1, a heater 17 provided inside the head case 13, and the like. The head case 13 made of a plastic molded product includes a round neck portion 22 provided at a protruding base end of the head case 13 and a cap mounting portion 23 formed overhanging the front end of the neck portion 22. The heating element 21 is fixed. The heat transfer body 21 also serves as the skin electrode 24, and is formed of a cap-shaped press-formed product made of a titanium plate material. The skin electrode 24 cooperates with the grip electrode 14 to apply a weak pulse current to the skin surface via the human body, and to provide a current stimulation for ion introduction or ion derivation. As shown in FIG. 7, the cap 11 can be stored in a state where the cap 11 is mounted on the cap mounting portion 23.

図４において電源部１５は、本体ケース１に固定した電池ケース２６と、電池ケース２６に装填される電池ユニット（電池）２７で構成されており、肌電極２４、グリップ電極１４、ヒーター１７、ペルチェ素子１８、表示灯９・１０に電力を供給し、これらの電装品を駆動する制御回路に電力を供給する。電池ケース２６の内部には、電池ユニット２７を収容する電池収容部２８が設けてある。図１および図４に示すように、電池ケース２６は左右一対の保持壁２９Ｌ・２９Ｒと、保持壁２９Ｌ・２９Ｒの上下両端（長手方向両端）に連続する一対の保持端壁３０で矩形ケース状に構成されて、その後面に装填口３１が開口してある。また、電池ケース２６の内奥部分、つまり左右の保持壁２９Ｌ・２９Ｒの間には逃げ部３２となる貫通穴が形成してある。装填口３１の左右の対向辺部の上下には、電池ユニット２７が電池収容部２８から抜け出るのを規制する保持爪３３・３４が突設してある。このように、装填口３１の対向辺部に保持爪３３・３４を設けると、装填口３１の外に露出する電池ユニット２７の周面を保持爪３３・３４で押え保持して、電池ユニット２７が電池ケース２６から抜出すのを確実に規制できる。なお、図４は電池ケース２６および前ケース１ａを背面側から見るので、左右の関係は逆になる。   In FIG. 4, the power supply unit 15 includes a battery case 26 fixed to the main body case 1 and a battery unit (battery) 27 loaded in the battery case 26, and includes a skin electrode 24, a grip electrode 14, a heater 17, a Peltier The power is supplied to the element 18 and the indicators 9 and 10, and the control circuit for driving these electrical components is supplied with power. Inside the battery case 26, a battery housing portion 28 for housing the battery unit 27 is provided. As shown in FIGS. 1 and 4, the battery case 26 has a rectangular case-like shape including a pair of left and right holding walls 29L and 29R and a pair of holding end walls 30 continuous with both upper and lower ends (longitudinal ends) of the holding walls 29L and 29R. And a loading port 31 is opened on the rear surface. Further, a through hole serving as an escape portion 32 is formed in the inner part of the battery case 26, that is, between the left and right holding walls 29L and 29R. At the upper and lower sides of the left and right opposing sides of the loading port 31, holding claws 33 and 34 are provided so as to protrude to prevent the battery unit 27 from coming out of the battery housing portion. As described above, when the holding claws 33 and 34 are provided on the opposite sides of the loading port 31, the peripheral surface of the battery unit 27 exposed outside the loading port 31 is pressed and held by the holding claws 33 and 34, and the battery unit 27 is held. Can be reliably prevented from being pulled out of the battery case 26. In addition, since the battery case 26 and the front case 1a are viewed from the rear side in FIG.

図１に示すように、横断面が部分円弧状の保持壁２９Ｌに設けた保持爪３３は、保持壁２９Ｌに連続する部分円弧状の突起として形成するが、横断面が屈折する保持壁２９Ｒに設けた保持爪３４は、Ｌ字状に屈折する突起として形成してある。また、後者の保持爪３４の装填口３１からの突出長さＨ１は、前者の保持爪３３の装填口３１からの突出長さＨ２より大きく設定してある。上側の保持端壁３０の内面には、電池収容部２８に装填した電池ユニット２７を下側の保持端壁３０へ向かって押圧する弾性片３５が設けてあり、下側の保持端壁３０の下隅には、電池ユニット２７の出力リード４５を導出するためのリード切欠３６が形成してある。さらに、左右の保持壁２９Ｌ・２９Ｒの外面の上下両端には、締結座３７が張出し形成してあり、これらの締結座３７を前ケース１ａの内面に設けたねじボス３８にビス（締結体）３９で締結することにより、電池ケース２６を前ケース１ａと一体化している。左右の保持壁２９Ｌ・２９Ｒの各保持爪３３・３４と対応する壁面には、放熱窓４０が開口してある。   As shown in FIG. 1, the holding claws 33 provided on the holding wall 29L having a partially arcuate cross section are formed as projections having a partially arcuate shape continuous with the holding wall 29L. The provided holding claws 34 are formed as protrusions that bend in an L-shape. Further, the length H1 of the projection of the holding claw 34 from the loading port 31 is set to be longer than the length H2 of the projection of the holding claw 33 from the loading port 31. An elastic piece 35 is provided on the inner surface of the upper holding end wall 30 for pressing the battery unit 27 loaded in the battery accommodating portion 28 toward the lower holding end wall 30. A lead notch 36 for leading out the output lead 45 of the battery unit 27 is formed in the lower corner. Further, fastening seats 37 are formed on the upper and lower ends of the outer surfaces of the left and right holding walls 29L and 29R, and these fastening seats 37 are screwed into screw bosses 38 provided on the inner surface of the front case 1a. By fastening at 39, the battery case 26 is integrated with the front case 1a. On the wall surfaces of the left and right holding walls 29L and 29R corresponding to the holding claws 33 and 34, heat dissipation windows 40 are opened.

図６に示すように電池ユニット２７は、丸筒状の２次電池からなる電池本体４２と、電池本体４２の周面に密着配置した保護回路基板４３をシュリンクフィルム４４で被覆して構成してあり、保護回路基板４３から出力リード４５が導出してある。保護回路基板４３は、過充電、過電圧、過放電が起こった場合に、同基板に実装されたＩＣおよびＦＥＴからなるスイッチ手段を作動させて電源供給ラインを遮断する。電池ユニット２７は、予め電池収容部２８に装填されて、先に説明した要領で前ケース１ａと一体化してあり、この状態の前ケース１ａに後ケース１ｂを締結固定することにより、電池ユニット２７が本体ケース１内に封入される。   As shown in FIG. 6, the battery unit 27 is configured by covering a battery main body 42 made of a round cylindrical secondary battery and a protection circuit board 43 closely attached to the peripheral surface of the battery main body 42 with a shrink film 44. In addition, an output lead 45 extends from the protection circuit board 43. When an overcharge, an overvoltage, or an overdischarge occurs, the protection circuit board 43 activates a switch unit including an IC and an FET mounted on the board to cut off a power supply line. The battery unit 27 is pre-loaded into the battery accommodating portion 28 and is integrated with the front case 1a in the manner described above. By fastening and fixing the rear case 1b to the front case 1a in this state, the battery unit 27 is Is enclosed in the main body case 1.

電池収容部２８に装填した電池ユニット２７の周面は、左右一対の保持壁２９Ｌ・２９Ｒで受止められ、さらに装填口３１の外に露出する電池ユニット２７の周面を、保持爪３３および保持爪３４で押え保持して、電池ユニット２７が電池収容部２８から抜け出るのを規制している。同時に、弾性変形した弾性片３５で電池ユニット２７を下側の保持端壁３０へ向かって押圧して、電池ユニット２７が長手方向へ移動しようとするのを規制している。さらに、装填口３１と正対する後ケース１ｂの内面に、電池ユニット２７の周面に密着するゴム製の弾性体４６を設けて、後ケース１ｂを前ケース１ａに締結固定した状態において、弾性変形した弾性体４６で電池ユニット２７を電池ケース２６に押付けている。図５に示すように、弾性体４６は上下に長いゴム条材からなる。このように、後ケース１ｂの内面に弾性体４６を設けると、弾性変形した弾性体４６で電池２７を電池ケース２６に押付けて、電池２７の動きを規制できる。また、電池２７と保持爪３３・３４の間に僅かな隙間があった場合でも、電池２７ががたつくのを弾性体４６で規制して、異音が発生するのを防止できる。   The peripheral surface of the battery unit 27 loaded in the battery accommodating portion 28 is received by the pair of left and right holding walls 29L and 29R, and the peripheral surface of the battery unit 27 exposed outside the loading port 31 is held by the holding claws 33 and the holding claws 33. The battery unit 27 is pressed and held by the claw 34 to prevent the battery unit 27 from coming out of the battery housing portion 28. At the same time, the elastic piece 35 elastically deformed presses the battery unit 27 toward the lower holding end wall 30 to restrict the battery unit 27 from moving in the longitudinal direction. Further, a rubber elastic body 46 is provided on the inner surface of the rear case 1b facing the loading port 31 so as to be in close contact with the peripheral surface of the battery unit 27, and when the rear case 1b is fastened and fixed to the front case 1a, the elastic deformation occurs. The elastic unit 46 presses the battery unit 27 against the battery case 26. As shown in FIG. 5, the elastic body 46 is made of a vertically long rubber strip. As described above, when the elastic body 46 is provided on the inner surface of the rear case 1b, the battery 27 can be pressed against the battery case 26 by the elastically deformed elastic body 46, and the movement of the battery 27 can be regulated. Further, even when there is a slight gap between the battery 27 and the holding claws 33 and 34, the looseness of the battery 27 is regulated by the elastic body 46, so that generation of abnormal noise can be prevented.

先に説明したように、保持爪３４の装填口３１からの突出長さＨ１は、保持爪３３の装填口３１からの突出長さＨ２より大きく設定してあるが、これは電池ユニット２７を電池収容部２８に装填しやすくするためである。詳しくは、電池ユニット２７を装填する場合には、図６に想像線で示すように保護回路基板４３の側を装填始端にして、保持爪３４と保持壁２９Ｒの間にあてがって、電池ユニット２７を仮組する。この状態で、電池ユニット２７の円弧周面を保持爪３３に押付けて、保持爪３３・３４を弾性変形させながら電池収容部２８に装填して、電池ユニット２７を電池収容部２８に装填する。換言すると、突出長さＨ１が大きな保持爪３４の側に電池ユニット２７をあてがって仮組し、突出長さＨ２が小さい側の保持爪３３に電池ユニット２７の周面をあてがって押し込み操作することで、電池ユニット２７を電池ケース２６にパチンと嵌め込むことができる。なお、保持爪３４の突端および保持爪３３の突端は、電池ケース２５に装填した電池ユニット２７の頂部（弾性体４６に当たっている位置）より低い位置にある。これは、保持爪３４の突端および保持爪３３の突端が、電池ユニット２７の頂部より高い位置にあると、電池ケース２６および電池ユニット２７が占める高さ空間が増え、コンパクト化できないからである。   As described above, the protruding length H1 of the holding claw 34 from the loading port 31 is set to be longer than the protruding length H2 of the holding claw 33 from the loading port 31. This is to make it easier to load the container 28. More specifically, when the battery unit 27 is loaded, as shown by the imaginary line in FIG. 6, the protection circuit board 43 is placed between the holding claw 34 and the holding wall 29R with the loading start end. Is temporarily set. In this state, the arcuate peripheral surface of the battery unit 27 is pressed against the holding claws 33, and the holding claws 33 and 34 are elastically deformed and loaded into the battery accommodating section 28, and the battery unit 27 is loaded into the battery accommodating section 28. In other words, the battery unit 27 is temporarily attached to the holding claw 34 having the larger protrusion length H1, and the peripheral surface of the battery unit 27 is pressed into the holding claw 33 having the smaller protrusion length H2 to perform the pushing operation. Thus, the battery unit 27 can be snapped into the battery case 26. Note that the protruding end of the holding claw 34 and the protruding end of the holding claw 33 are located at a position lower than the top of the battery unit 27 loaded in the battery case 25 (the position abutting on the elastic body 46). This is because if the protruding ends of the holding claws 34 and the protruding ends of the holding claws 33 are higher than the top of the battery unit 27, the height space occupied by the battery case 26 and the battery unit 27 increases, and the battery cannot be made compact.

上記のように、電池ユニット２７を電池収容部２８に装填した状態では、電池ユニット２７の周面の一部が、保持壁２９Ｌ・２９Ｒの内面から逃げ部３２の逃げ空間Ｓ内に入り込んでいる。図６に示すように、逃げ空間Ｓにおける電池ユニット２７の入り込み量Ｔ２は、逃げ空間Ｓの厚みＴ１の半分以上であることが好ましい。因みに電池ユニット２７の入り込み量Ｔ２が、逃げ空間Ｓの厚みＴ１の半分未満であると、本体ケース１の内部において電池２７および電池ケース２６が占めるスペースを減少する効果を十分に発揮できない。より好ましくは、図６に示すように、電池２７の入り込み量Ｔ２が、逃げ空間Ｓの厚みＴ１と同じにするとよく、その場合には電池ユニット２７の円弧周面の下部が、逃げ部３２の下開口面と面一になる。   As described above, when the battery unit 27 is loaded in the battery housing portion 28, a part of the peripheral surface of the battery unit 27 enters the escape space S of the escape portion 32 from the inner surfaces of the holding walls 29L and 29R. . As shown in FIG. 6, the amount of entry T2 of the battery unit 27 in the escape space S is preferably equal to or more than half the thickness T1 of the escape space S. If the amount of entry T2 of the battery unit 27 is less than half the thickness T1 of the escape space S, the effect of reducing the space occupied by the battery 27 and the battery case 26 inside the main body case 1 cannot be sufficiently exhibited. More preferably, as shown in FIG. 6, the amount of entry T2 of the battery 27 should be the same as the thickness T1 of the escape space S. In this case, the lower part of the arc-shaped peripheral surface of the battery unit 27 It is flush with the lower opening surface.

電池ケース２６の内奥（前奥）に逃げ部３２を形成すると、電池ユニット２７を電池収容部２８に装填した状態において、電池ユニット２７の周面の一部が逃げ部３２の逃げ空間Ｓ内に入り込むので、本体ケース１の内部において電池ユニット２７および電池ケース２６が占めるスペースを小さくして、その分だけ本体ケース１をコンパクト化できる。また、電池ユニット２７を電池収容部２８に装填した状態においては、電池ユニット２７の周面の２個所が逃げ空間Ｓの左右の周縁壁で受止められるので、電池ユニット２７を安定した状態で保持できる。   When the escape portion 32 is formed inside (in front of) the battery case 26, a part of the peripheral surface of the battery unit 27 is formed in the escape space S of the escape portion 32 in a state where the battery unit 27 is loaded in the battery housing portion 28. As a result, the space occupied by the battery unit 27 and the battery case 26 in the main body case 1 can be reduced, and the main body case 1 can be downsized accordingly. In a state where the battery unit 27 is loaded in the battery accommodating portion 28, since two places on the peripheral surface of the battery unit 27 are received by the left and right peripheral walls of the escape space S, the battery unit 27 is held in a stable state. it can.

矩形ケース状の電池ケース２６の内奥（前奥）に逃げ部３２を貫通穴として形成すると、電池ケース２６の構造強度が低下して脆弱になりやすい。しかし、電池ケース２６の各保持壁２９Ｌ・２９Ｒの外面両端に締結座３７を張出し、これらの締結座３７をビス３９で本体ケース１に固定すると、外力を受けた各保持壁２９Ｌ・２９Ｒがたわみ変形しようとするのを確実に防止できる。従って、電池ケース２６の構造強度を増強し耐久性を向上できるうえ、電池ケース２６で本体ケース１のケース強度を補強して剛性を高めることができる。   If the escape portion 32 is formed as a through hole inside (in front of) the battery case 26 having a rectangular case shape, the structural strength of the battery case 26 is reduced and the battery case 26 is likely to be fragile. However, when the fastening seats 37 are protruded at both ends of the outer surfaces of the holding walls 29L and 29R of the battery case 26 and these fastening seats 37 are fixed to the main body case 1 with screws 39, the holding walls 29L and 29R subjected to the external force bend. Deformation can be reliably prevented. Therefore, the structural strength of the battery case 26 can be increased to improve durability, and the battery case 26 can reinforce the case strength of the main body case 1 to increase rigidity.

不使用状態における美容器具の温熱ヘッド３および冷熱ヘッド４を保護するために、肌処理ヘッド２の全体を覆う保護キャップ５１を設けている。図７および図８に示すように、保護キャップ５１は、温熱ヘッド３および肌電極２４の前面および上面を覆う前保護部５２と、本体ケース１の上部、および同ケース１の上部背面に設けた冷熱ヘッド４を覆う後保護部５３を備えたヘルメット状のプラスチック成形品からなる。前保護部５２は温熱ヘッド３および肌電極２４の前面を覆う円形の前カバー壁５４と、肌電極２４およびキャップ装着部２３の上半周面を覆う前すぼまりテーパー状の前支持壁５５を備えている。また、後保護部５３は、本体ケース１の上端周面を覆う後支持壁５７と、冷熱ヘッド４の後面を覆う円形の後カバー壁５８を備えている。   In order to protect the heating head 3 and the cooling head 4 of the beauty tool in the unused state, a protection cap 51 that covers the entire skin treatment head 2 is provided. As shown in FIGS. 7 and 8, the protective cap 51 is provided on the front protective portion 52 that covers the front and upper surfaces of the heating head 3 and the skin electrode 24, the upper portion of the main body case 1, and the upper back surface of the case 1. It is made of a helmet-shaped plastic molded article provided with a rear protective portion 53 that covers the cooling / heating head 4. The front protection portion 52 includes a circular front cover wall 54 that covers the front surfaces of the heating head 3 and the skin electrode 24, and a front tapered front support wall 55 that covers the skin electrode 24 and the upper half peripheral surface of the cap mounting portion 23. Have. Further, the rear protection portion 53 includes a rear support wall 57 that covers an upper peripheral surface of the main body case 1 and a circular rear cover wall 58 that covers a rear surface of the cooling head 4.

前保護部５２と後保護部５３は、左右一対の弾性変形可能な帯状の横橋絡壁６０と、両保護部５２・５３の上部どうしを繋ぐ帯状の上橋絡壁６１を介して一体化してある。各橋絡壁６０・６１は、保護キャップ５１の内面側へ凹む谷部６２と、谷部６２に連続して外面側へ突出する山部６３でｍ字状に構成してあり、一対の横橋絡壁６０の谷部６２の内面にクリップ片６４を設け、上橋絡壁６１の谷部６２の内面にストッパー部６５を設けている。また、一対の横橋絡壁６０の谷部６２の下部外面には、保護キャップ５１を着脱するための三角形状の指掛け片６６が突設してある。横橋絡壁６０と上橋絡壁６１の間の前支持壁５５および後支持壁５７は、通気窓６７としてくり抜かれている。このように、上橋絡壁６１と左右の横橋絡壁６０の間に通気窓６７を開口すると、保護キャップ５１を肌処理ヘッド２に装着した状態において、通気窓６７に臨む肌処理ヘッド２の表面を外部空間に臨ませることができるので、肌処理ヘッド２の表面に付着した美容用液などの乾燥を促進できる。   The front protection part 52 and the rear protection part 53 are integrated via a pair of left and right elastically deformable band-shaped horizontal bridging walls 60 and a band-shaped upper bridging wall 61 connecting the upper parts of the two protecting parts 52 and 53. It is. Each of the bridging walls 60 and 61 is formed in an m-shape by a valley portion 62 recessed toward the inner surface side of the protective cap 51 and a ridge portion 63 protruding to the outer surface side following the valley portion 62. A clip piece 64 is provided on the inner surface of the valley 62 of the bridging wall 60, and a stopper 65 is provided on the inner surface of the valley 62 of the upper bridging wall 61. Further, a triangular finger hook 66 for attaching and detaching the protective cap 51 is projected from the lower outer surface of the valley portion 62 of the pair of horizontal bridge walls 60. The front support wall 55 and the rear support wall 57 between the horizontal bridge wall 60 and the upper bridge wall 61 are hollowed out as ventilation windows 67. As described above, when the ventilation window 67 is opened between the upper bridge wall 61 and the left and right horizontal bridge walls 60, the skin treatment head 2 facing the ventilation window 67 with the protective cap 51 attached to the skin treatment head 2. The surface of the skin treatment head 2 can be exposed to the external space, so that the drying of the cosmetic liquid or the like attached to the surface of the skin treatment head 2 can be promoted.

上記のように、谷部６２と山部６３で横橋絡壁６０を構成すると、横橋絡壁６０が平坦な帯状の壁で形成してある場合に比べて、弾性変形する壁部分の長さを大きくして、横橋絡壁６０を弾性変形しやすい構造とすることができる。また、横橋絡壁６０の外面に指掛け片６６を突設するので、左右の指掛け片６６に親指と人差し指をあてがった状態で保護キャップ５１を首部２２に着脱することにより、保護キャップ５１を容易にしかも適確に着脱できる。また、保護キャップ５１を首部２２に対して適確に着脱できるので、着脱時に前カバー壁５４と肌電極２４が互いに擦れあうのを防止できる。とくに、谷部６２に指掛け片６６を突設する場合には、谷部６２の構造を指掛け片６６で補強して、横橋絡壁６０が拡開方向へ弾性変形する際に谷部６２が過度に変形するのを規制できる。また、クリップ爪７０の近傍に指掛け片６６が位置しているので、指掛け片６６に加わる押込み力や抜出し力を効果的にクリップ爪７０に伝えて、程良いクリック感で保護キャップ５１を肌処理ヘッド２に着脱できる。   As described above, when the horizontal bridging wall 60 is formed by the valleys 62 and the peaks 63, the length of the wall portion that is elastically deformed is longer than when the horizontal bridging wall 60 is formed by a flat band-shaped wall. By increasing the height, the horizontal bridging wall 60 can have a structure that is easily elastically deformed. In addition, since the finger hanging pieces 66 are protruded from the outer surface of the horizontal bridging wall 60, the protective cap 51 can be easily attached to and detached from the neck 22 with the thumb and forefinger placed on the left and right finger hanging pieces 66. And can be attached and detached accurately. In addition, since the protective cap 51 can be properly attached to and detached from the neck 22, it is possible to prevent the front cover wall 54 and the skin electrode 24 from rubbing each other at the time of attachment and detachment. In particular, in the case where the finger hanging piece 66 protrudes from the valley 62, the structure of the valley 62 is reinforced by the finger hanging piece 66, and the valley 62 is elastically deformed in the expanding direction of the horizontal bridge wall 60. Excessive deformation can be restricted. Also, since the finger hook 66 is located near the clip nail 70, the pushing force and the pulling force applied to the finger hook 66 are effectively transmitted to the clip nail 70, and the protective cap 51 is skin-treated with a moderate click feeling. It can be attached to and detached from the head 2.

図１０に示すように、クリップ片６４の内方の下部には、左右方向へ弾性変形できる部分円弧状のクリップ爪７０が一体に設けてあり、クリップ爪７０をヘッドケース１３の首部２２に圧嵌装着することにより、肌処理ヘッド２に装着した保護キャップ５１を抜外れ不能に保持できる。この状態のクリップ爪７０は、断面が円形の首部２２の下半周面に密着して、自己の弾性変形力で保護キャップ５１を下向きに引寄せている。保護キャップ５１を肌処理ヘッド２に装着する場合には、綿マットを挟持するためのキャップ１１をキャップ装着部２３に装着したままであっても、問題なく装着することができる。図７および図９に示すように、前支持壁５５の内面と肌電極２４およびヘッドケース１３は、充分な隙間を介して対向しているので、保護キャップ５１の装着時はもちろん、装着した後においても、保護キャップ５１がキャップ１１と緩衝することはないからである。従って、不使用時にキャップ１１を肌電極２４から取外して、本体ケース１とは別に収納保管する必要がなく、キャップ１１がどこかに紛れ込み、あるいは紛失するのを確実に解消できる。なお、前カバー壁５４と肌電極２４の隙間は、キャップ１１の前後厚みより小さい（図７参照）ので、たとえ、キャップ１１がキャップ装着部２３から脱落することがあったとしても、保護キャップ５１の外へ抜け落ちることはない。   As shown in FIG. 10, a partially arcuate clip claw 70 that can be elastically deformed in the left-right direction is integrally provided at the lower portion inside the clip piece 64, and the clip claw 70 is pressed against the neck 22 of the head case 13. By fitting and attaching, the protective cap 51 attached to the skin treatment head 2 can be held so as not to be detached. The clip claw 70 in this state is in close contact with the lower half peripheral surface of the neck 22 having a circular cross section, and pulls the protective cap 51 downward by its own elastic deformation force. When the protective cap 51 is attached to the skin treatment head 2, even if the cap 11 for holding the cotton mat is still attached to the cap attaching portion 23, it can be attached without any problem. As shown in FIGS. 7 and 9, the inner surface of the front support wall 55 and the skin electrode 24 and the head case 13 face each other with a sufficient gap therebetween. In this case, the protection cap 51 does not buffer the cap 11. Therefore, there is no need to remove the cap 11 from the skin electrode 24 when not in use and to store and store the cap 11 separately from the main body case 1, and it is possible to reliably prevent the cap 11 from slipping or being lost somewhere. Since the gap between the front cover wall 54 and the skin electrode 24 is smaller than the front and rear thickness of the cap 11 (see FIG. 7), even if the cap 11 may fall off from the cap mounting portion 23, the protection cap 51 may be used. Never fall outside.

ストッパー部６５は、上橋絡壁６１の谷部６２の内面に突設したベース壁７１と、ベース壁７１の前面に突設した４個の規制リブ７２を備えている。図７および図１０に示すように、保護キャップ５１を肌処理ヘッド２に装着した状態においては、ベース壁７１および規制リブ７２が首部２２の上周面に接当して、下方移動が規制されている。また、ベース壁７１と規制リブ７２が、首部２２に臨む前ケース１ａの前壁と、キャップ装着部２３の張出し基端で受止められて、前後移動が規制されている。つまり、クリップ片６４を首部２２に係合装着した状態においては、ストッパー部６５がヘッドケース１３と本体ケース１で前後動不能に係合保持されて、前保護部５２の前カバー壁５４が肌電極２４と小さな隙間を介して対向している。従って、前カバー壁５４と肌電極２４が互いに擦れあうのを防止して、肌電極２４が傷付くのを確実に防止できる。同様に、後カバー壁５８は冷熱ヘッド４と小さな隙間を介して対向するので、冷熱ヘッド４が傷付くのを確実に防止できる。   The stopper portion 65 includes a base wall 71 protruding from the inner surface of the valley portion 62 of the upper bridging wall 61, and four regulating ribs 72 protruding from the front surface of the base wall 71. As shown in FIGS. 7 and 10, when the protective cap 51 is attached to the skin treatment head 2, the base wall 71 and the regulating rib 72 abut on the upper peripheral surface of the neck 22, and the downward movement is regulated. ing. Further, the base wall 71 and the restricting rib 72 are received by the front wall of the front case 1a facing the neck portion 22 and the protruding base end of the cap mounting portion 23, and the longitudinal movement is restricted. That is, when the clip piece 64 is engaged with the neck portion 22, the stopper portion 65 is engaged and held by the head case 13 and the main body case 1 so as not to move back and forth, and the front cover wall 54 of the front protection portion 52 is It faces the electrode 24 via a small gap. Accordingly, it is possible to prevent the front cover wall 54 and the skin electrode 24 from rubbing each other, and to reliably prevent the skin electrode 24 from being damaged. Similarly, since the rear cover wall 58 faces the cooling head 4 via a small gap, the cooling head 4 can be reliably prevented from being damaged.

指掛け片６６は、クリップ爪７０が首部２２に係脱するとき、谷部６２に過度の変形応力が集中するのを規制している。また、クリップ爪７０の近傍に指掛け片６６が設けてあるので、指掛け片６６に加わる押込み力や抜出し力を効果的にクリップ爪７０に伝えて、程良いクリック感で保護キャップ５１を肌処理ヘッド２に着脱できる。上橋絡壁６１の内面にストッパー部６５を形成すると、保護キャップ５１を肌処理ヘッド２に装着した状態において、前保護部５２と後保護部５３をストッパー部６５で位置決めできる。また、左右の横橋絡壁６０と上橋絡壁６１の３者で後保護部５３を支持して、後保護部５３の構造強度を増強できる。また、クリップ片６４を首部２２に圧嵌係合した状態では、クリップ片６４と横橋絡壁６０の弾性でストッパー部６５を首部２２に密着させて、保護キャップ５１ががたつくのを防止できる。さらに、肌処理ヘッド２に装着した保護キャップ５１の保護機能を強化でき、さらに保護キャップ５１の保護構造を好適化して構造強度を増強できる。   The finger hook 66 restricts excessive deformation stress from concentrating on the valleys 62 when the clip claws 70 are disengaged from the neck 22. In addition, since the finger hook 66 is provided in the vicinity of the clip hook 70, the pushing force and the pull-out force applied to the finger hook 66 are effectively transmitted to the clip hook 70, and the protective cap 51 is pressed with a moderate click feeling. 2 can be attached and detached. When the stopper portion 65 is formed on the inner surface of the upper bridge wall 61, the front protection portion 52 and the rear protection portion 53 can be positioned by the stopper portion 65 with the protection cap 51 attached to the skin treatment head 2. In addition, the left and right horizontal bridge walls 60 and the upper bridge wall 61 support the rear protection portion 53, so that the structural strength of the rear protection portion 53 can be enhanced. In a state where the clip piece 64 is engaged with the neck portion 22 by press fitting, the stopper portion 65 is brought into close contact with the neck portion 22 by the elasticity of the clip piece 64 and the horizontal bridging wall 60, so that the protective cap 51 can be prevented from rattling. Furthermore, the protective function of the protective cap 51 attached to the skin treatment head 2 can be strengthened, and the protective structure of the protective cap 51 can be optimized to increase the structural strength.

美容器具は図１１に示すように、テーブルや化粧台などの載置面Ｆに横臥姿勢にして載置することがある。こうした場合に、美容器具を安定した状態で載置するために、後カバー壁５８の下半部後面の左右にリブ状の載置片７３を突設している。美容器具を載置面Ｆに載置した状態においては、載置片７３の上端と、本体ケース１のグリップ電極１４の下端付近のグリップ端が載置面Ｆに接当して、横臥状態の本体ケース１を安定した状態で支持している。   As shown in FIG. 11, the beauty tool may be placed on a placement surface F such as a table or a dressing table in a reclined posture. In such a case, in order to mount the beauty tool in a stable state, rib-shaped mounting pieces 73 are protrudingly provided on the left and right sides of the lower half rear surface of the rear cover wall 58. In a state where the beauty tool is mounted on the mounting surface F, the upper end of the mounting piece 73 and the grip end near the lower end of the grip electrode 14 of the main body case 1 abut on the mounting surface F, and the beauty device is in the lying state. The main body case 1 is supported in a stable state.

美容器具は、電源ボタン部６をオン操作したのち、モードボタン部７を押込み操作するごとに第１から第４の運転モードに切換えられて、各運転モードに対応して各機器の作動状態を制御する。また、必要に応じて、微弱なパルス電流をグリップ電極１４および肌電極２４に対して出力し、あるいはその極性を切換える。美容器具の使用時には、必要に応じて化粧水などの美容用液が含浸された綿マットＭを肌電極２４の外面にあてがって、その周囲をキャップ装着部２３に圧嵌装着されるキャップ１１で固定した状態で使用する。   After turning on the power button section 6, the beauty tool is switched from the first to the fourth operation mode every time the mode button section 7 is pushed in, and the operation state of each device is changed corresponding to each operation mode. Control. If necessary, a weak pulse current is output to the grip electrode 14 and the skin electrode 24, or the polarity is switched. At the time of using the beauty device, a cotton mat M impregnated with a cosmetic liquid such as a lotion is applied to the outer surface of the skin electrode 24 as necessary, and the periphery thereof is covered with the cap 11 which is press-fitted to the cap mounting portion 23. Use in a fixed state.

第１運転モードでは、美容用液が含浸された綿マットＭを肌電極２４に装着して、顔肌のしわ、ひだ、毛穴などに入込んでいる微細な汚れを落とすイオン導出処理を行う。このとき、ヒーター１７が駆動されて肌電極２４を加熱し、肌電極２４にプラス極性のパルス電流が供給される。第１運転モードを開始してから所定時間が経過すると、パルス電流の供給が停止されて第１運転モードを終了する。第２運転モードでは、第１運転モードと同様に、化粧水が含浸された綿マットＭを肌電極２４に装着して、イオン導入処理を行う。このとき、ヒーター１７が駆動されて肌電極２４を加熱し、肌電極２４にマイナス極性のパルス電流が供給される。第２運転モードを開始してから所定時間が経過すると、パルス電流の供給が停止されて第２運転モードを終了する。第２運転モードでは、化粧水が含浸された綿マットＭを使用せずに、粘性の高いジェル状の化粧水や、乳液などの美容用液を温熱ヘッド３に塗付して使用することもある。   In the first operation mode, the cotton mat M impregnated with the cosmetic liquid is attached to the skin electrode 24, and an ion deriving process for removing fine dirt entering wrinkles, folds, pores, and the like of the facial skin is performed. At this time, the heater 17 is driven to heat the skin electrode 24, and a positive polarity pulse current is supplied to the skin electrode 24. When a predetermined time has elapsed since the start of the first operation mode, the supply of the pulse current is stopped, and the first operation mode ends. In the second operation mode, as in the first operation mode, the cotton mat M impregnated with the lotion is attached to the skin electrode 24, and the ion introduction process is performed. At this time, the heater 17 is driven to heat the skin electrode 24, and a negative polarity pulse current is supplied to the skin electrode 24. When a predetermined time has elapsed since the start of the second operation mode, the supply of the pulse current is stopped, and the second operation mode ends. In the second operation mode, instead of using the cotton mat M impregnated with the lotion, a highly viscous gel-type lotion or a cosmetic liquid such as a milky lotion may be applied to the heating head 3 for use. is there.

第３運転モードでは、化粧水が含浸された綿マットＭを肌電極２４に装着し、肌電極にプラス極性のパルス電流とマイナス極性のパルス電流を交互に供給して美容処理を行う。また、顔肌をシートマスクで覆った状態、あるいは乳液を顔肌に塗付した状態で美容処理を行う。第３運転モードを開始してから所定時間が経過すると、パルス電流の供給が停止されて第３運転モードを終了する。第４運転モードでは、冷熱ヘッド４をペルチェ素子１８で冷却した状態で美容処理を行う。詳しくは、化粧用パフを使用するのと同様に、冷熱ヘッド４を顔肌にあて、あるいは顔肌から離す処理を顔肌の中心から周辺へ繰返し行って、顔肌を引締める。第４運転モードを開始してから所定時間が経過すると、ペルチェ素子１８に対する駆動電流の供給が停止されて第４運転モードを終了する。   In the third operation mode, the cotton mat M impregnated with the lotion is attached to the skin electrode 24, and a positive polarity pulse current and a negative polarity pulse current are alternately supplied to the skin electrode to perform the beauty treatment. In addition, beauty treatment is performed in a state where the face skin is covered with a sheet mask, or in a state where the milky lotion is applied to the face skin. When a predetermined time has elapsed since the start of the third operation mode, the supply of the pulse current is stopped, and the third operation mode ends. In the fourth operation mode, the beauty treatment is performed in a state where the cooling head 4 is cooled by the Peltier element 18. More specifically, as in the case of using the cosmetic puff, the process of placing the cooling / heating head 4 on the face skin or separating the head from the face skin is repeated from the center to the periphery of the face skin to tighten the face skin. When a predetermined time has elapsed since the start of the fourth operation mode, the supply of the drive current to the Peltier element 18 is stopped, and the fourth operation mode ends.

以上のように、前保護部５２と、一対のクリップ片６４と、ストッパー部６５を備えた保護キャップ５１によれば、クリップ片６４を首部２２に係合装着した状態において、ストッパー部６５をヘッドケース１３と本体ケース１で前後動不能に係合保持できる。   As described above, according to the protection cap 51 including the front protection portion 52, the pair of clip pieces 64, and the stopper portion 65, the stopper portion 65 is moved to the head in a state where the clip portion 64 is engaged with the neck portion 22. The case 13 and the main body case 1 can be engaged and held immovably back and forth.

前後の保護部５２・５３を一対の弾性変形可能な帯状の横橋絡壁６０を介して連続し、その内面にクリップ片６４を設ける保護キャップ５１によれば、クリップ片６４が弾性変形しながら首部２２に係合するとき、横橋絡壁６０を同時に弾性変形させて、係合負荷がクリップ片６４に集中するのを防止して、早期に疲労破壊するのを解消できる。また、クリップ片６４を首部２２に圧嵌係合した状態では、クリップ片６４と横橋絡壁６０の弾性でストッパー部６５を首部２２に密着させて、保護キャップ５１ががたつくのを防止できる。   According to the protection cap 51 in which the front and rear protection portions 52 and 53 are continuous via a pair of elastically deformable band-shaped horizontal bridge walls 60 and the clip piece 64 is provided on the inner surface thereof, the clip piece 64 is elastically deformed. When engaging with the neck portion 22, the horizontal bridging wall 60 is elastically deformed at the same time, so that the engaging load is prevented from being concentrated on the clip piece 64, and the early fatigue failure can be eliminated. In a state where the clip piece 64 is engaged with the neck portion 22 by press fitting, the stopper portion 65 is brought into close contact with the neck portion 22 by the elasticity of the clip piece 64 and the horizontal bridging wall 60, so that the protective cap 51 can be prevented from rattling.

図１２および図１３は実施例２に係る電池ケース２６を示す。そこでは、逃げ部３２の外開口側に一対の保持壁２９Ｌ・２９Ｒを橋絡する複数の補強リブ７６を設けて、保持壁２９Ｌ・２９Ｒを補強し、電池ケース２６の構造強度を増強した。電池ユニット２７を電池収容部２８に装填した状態では、図１２に示すように、逃げ空間Ｓに入り込んだ電池ユニット２７の周面が補強リブ７６で受止められるので、電池ユニット２７を適正な装填位置に位置決めできる。他は実施例１の電池ケース２６と同じであるので、同じ部材に同じ符号を付してその説明を省略する。   12 and 13 show a battery case 26 according to the second embodiment. There, a plurality of reinforcing ribs 76 for bridging the pair of holding walls 29L and 29R are provided on the outer opening side of the escape portion 32 to reinforce the holding walls 29L and 29R, and to enhance the structural strength of the battery case 26. In a state where the battery unit 27 is loaded in the battery accommodating portion 28, as shown in FIG. 12, the peripheral surface of the battery unit 27 that has entered the escape space S is received by the reinforcing ribs 76, so that the battery unit 27 is properly loaded. Can be positioned in position. Other components are the same as those of the battery case 26 of the first embodiment, and thus the same members are denoted by the same reference numerals and description thereof will be omitted.

図１４は実施例３に係る電池ケース２６を示す。そこでは、電池ケース２６を前ケース１ａと一体に形成して、本体ケース１において電池ケース２６および電池２７が占めるスペースをさらに小さくできるようにした。詳しくは、保持壁２９Ｌ・２９Ｒおよび保持爪３３・３４を前ケース１ａと一体に形成した。また、前ケース１ａの内面に凹部を形成し、この凹部が逃げ部３２として機能するようにした。この実施例における電池２７は、電池本体４２と、その周面を被覆するシュリンクフィルム４４で構成した。後ケース１ｂは前ケース１ａに対して着脱自在に組付けられていて電池蓋を兼ねており、その内面に弾性体４６が固定してある。このように、逃げ部３２は凹部で形成してあってもよく、必ずしも貫通穴で形成する必要はない。   FIG. 14 shows a battery case 26 according to the third embodiment. Here, the battery case 26 is formed integrally with the front case 1a so that the space occupied by the battery case 26 and the battery 27 in the main body case 1 can be further reduced. Specifically, the holding walls 29L and 29R and the holding claws 33 and 34 are formed integrally with the front case 1a. In addition, a concave portion is formed on the inner surface of the front case 1a, and the concave portion functions as the escape portion 32. The battery 27 in this embodiment was composed of a battery main body 42 and a shrink film 44 covering the peripheral surface thereof. The rear case 1b is detachably attached to the front case 1a and doubles as a battery cover, and an elastic body 46 is fixed to an inner surface thereof. As described above, the relief portion 32 may be formed by a concave portion, and need not necessarily be formed by a through hole.

上記の実施例１では、肌処理ヘッド２の背面に冷熱ヘッド４を設けたが、冷熱ヘッド４は省略してあってもよい。その場合の後保護部５３は、後支持壁５７および後カバー壁５８が本体ケース１の上部外面に沿う形状に形成してあればよい。あるいは、後保護部５３を省略して、前保護部５２とクリップ片６４と、ストッパー部６５と、指掛け片６６で保護キャップ５１を構成してもよい。電池２７は充電池である必要はなく、１次電池であってもよい。   In the first embodiment, the cooling / heating head 4 is provided on the back surface of the skin treatment head 2, but the cooling / heating head 4 may be omitted. In this case, the rear protection portion 53 only needs to be formed so that the rear support wall 57 and the rear cover wall 58 are formed along the upper outer surface of the main body case 1. Alternatively, the protection cap 51 may be configured by omitting the rear protection portion 53 and using the front protection portion 52, the clip piece 64, the stopper portion 65, and the finger hanging piece 66. The battery 27 does not need to be a rechargeable battery, and may be a primary battery.

電池ケース２６の締結座３７はビス３９で締結する以外に、前ケース１ａに設けた溶着ピンで締結固定し、あるいはブラインドリベットで締結固定してもよい。必要があれば、載置片７３は前保護部５２の前面に設けてあってもよい。弾性片３５は、下側の保持端壁３０に設けてあってもよい。実施例１では、キャップ１１をヘッドケース１３のキャップ装着部２３に係合装着したが、キャップ１１は肌電極２４に直接係合装着することができる。また、キャップ１１のみを肌電極２４に係合装着できない場合でも、綿マットＭを肌電極２４にあてがってキャップ１１を圧入装着することにより、綿マットＭとキャップ１１を肌電極に固定できる場合がある。さらに、保護キャップ５１を肌処理ヘッド２に装着することにより、肌電極に被せ付けただけのキャップ１１を抜落ち不能に保持できる。請求項１０において「キャップ１１が肌電極２４に着脱可能」とは、キャップ１１が上記のいずれの状態であってもよいこととする。   The fastening seat 37 of the battery case 26 may be fastened and fixed with a welding pin provided on the front case 1a or with a blind rivet, instead of being fastened with the screw 39. If necessary, the mounting piece 73 may be provided on the front surface of the front protection portion 52. The elastic piece 35 may be provided on the lower holding end wall 30. In the first embodiment, the cap 11 is engaged and mounted on the cap mounting portion 23 of the head case 13, but the cap 11 can be directly engaged and mounted on the skin electrode 24. Even when only the cap 11 cannot be engaged with the skin electrode 24, the cotton mat M and the cap 11 can be fixed to the skin electrode by applying the cotton mat M to the skin electrode 24 and press-fitting the cap 11. is there. Further, by attaching the protective cap 51 to the skin treatment head 2, the cap 11 just covered on the skin electrode can be held so as not to fall off. In claim 10, "the cap 11 can be attached to and detached from the skin electrode 24" means that the cap 11 may be in any of the above states.

１ 本体ケース
２ 肌処理ヘッド
３ 温熱ヘッド
４ 冷熱ヘッド
１３ ヘッドケース
１５ 電源部
１６ 制御基板
２２ 首部
２３ キャップ装着部
２４ 肌電極
２６ 電池ケース
２７ 電池ユニット（電池）
２８ 電池収容部
２９Ｌ・２９Ｒ 保持壁
３１ 装填口
３２ 逃げ部
３３・３４ 保持爪
３５ 弾性片
４６ 弾性体
５１ 保護キャップ
５２ 前保護部
５３ 後保護部
５４ 前カバー壁
５５ 前支持壁
５７ 後支持壁
５８ 後カバー壁
６０ 横橋絡壁
６１ 上橋絡壁
６４ クリップ片
６５ ストッパー部
６６ 指掛け片
７０ クリップ爪 DESCRIPTION OF SYMBOLS 1 Main body case 2 Skin treatment head 3 Heating head 4 Cooling head 13 Head case 15 Power supply unit 16 Control board 22 Neck 23 Cap attaching part 24 Skin electrode 26 Battery case 27 Battery unit (battery)
28 Battery storage section 29L / 29R Holding wall 31 Loading port 32 Escape section 33/34 Holding claw 35 Elastic piece 46 Elastic body 51 Protective cap 52 Front protection section 53 Rear protection section 54 Front cover wall 55 Front support wall 57 Rear support wall 58 Rear cover wall 60 Horizontal bridging wall 61 Upper bridging wall 64 Clip piece 65 Stopper part 66 Finger hanging piece 70 Clip claw

Claims (8)

本体ケース（１）の内部に電池収容部（２８）を備えた電池ケース（２６）が設けられており、
電池ケース（２６）は、電池（２７）の周面を受止める保持壁（２９Ｌ・２９Ｒ）と、電池（２７）を装填するための装填口（３１）を備えており、
装填口（３１）と正対する保持壁（２９Ｌ・２９Ｒ）に、電池収容部（２８）に装填した電池（２７）の周面の一部を受入れる逃げ部（３２）が形成してあり、
装填口（３１）の対向辺部に、装填口（３１）の外に露出する電池（２７）の周面を押え保持して、電池（２７）の抜け出しを規制する保持爪（３３・３４）が設けられており、
片方の辺部に設けた保持爪（３４）の装填口（３１）からの突出長さ（Ｈ１）が、他方の辺部に設けた保持爪（３３）の装填口（３１）からの突出長さ（Ｈ２）より大きく設定してあることを特徴とする小型電気機器。 A battery case (26) having a battery housing (28) is provided inside the main body case (1),
The battery case (26) includes holding walls (29L and 29R) for receiving the peripheral surface of the battery (27), and a loading port (31) for loading the battery (27).
A loading slot (31) and directly opposite the retaining wall (29L · 29R), Ri tear and escape portion (32) is formed to receive a portion of the peripheral surface of the battery loaded in the battery accommodating portion (28) (27),
Holding claws (33, 34) that press and hold the peripheral surface of the battery (27) exposed outside the loading port (31) on the opposite side of the loading port (31) to restrict the battery (27) from coming out. Is provided,
The protruding length (H1) of the holding claw (34) provided on one side from the loading port (31) is the protruding length of the holding claw (33) provided on the other side from the loading port (31). Small electric equipment characterized by being set to be larger than (H2) . 逃げ部（３２）が貫通穴で形成してある請求項１に記載の小型電気機器。   The small electric device according to claim 1, wherein the escape portion (32) is formed by a through hole. 電池収容部（２８）に装填した電池（２７）の周面の一部が、保持壁（２９Ｌ・２９Ｒ）の内面から逃げ部（３２）の逃げ空間（Ｓ）内に入り込んでいる請求項１または２に記載の小型電気機器。   A part of the peripheral surface of the battery (27) loaded in the battery accommodating portion (28) enters the escape space (S) of the escape portion (32) from the inner surface of the holding wall (29L / 29R). Or the small electric device according to 2. 逃げ空間（Ｓ）における電池（２７）の入り込み量（Ｔ２）が、逃げ空間（Ｓ）の厚み（Ｔ１）の半分以上である請求項３に記載の小型電気機器。   The small electric device according to claim 3, wherein the amount (T2) of the battery (27) entering the escape space (S) is at least half the thickness (T1) of the escape space (S). 保持壁（２９Ｌ・２９Ｒ）の長手方向両端に連続して一対の保持端壁（３０）が設けられており、
保持端壁（３０）のいずれか一方に、電池収容部（２８）に装填した電池（２７）を対向する保持端壁（３０）へ向かって押圧する弾性片（３５）が設けてある請求項１から４のいずれかひとつに記載の小型電気機器。 A pair of holding end walls (30) are provided continuously at both ends in the longitudinal direction of the holding walls (29L and 29R),
The elastic piece (35) which presses the battery (27) loaded in the battery accommodating part (28) toward the opposing holding end wall (30) is provided on one of the holding end walls (30). 5. The small electric device according to any one of 1 to 4 . 電池ケース（２６）が、一対の保持壁（２９Ｌ・２９Ｒ）および一対の保持端壁（３０）で矩形ケース状に構成されており、
各保持壁（２９Ｌ・２９Ｒ）の外面両端に張出し形成した締結座（３７）が、締結体（３９）で本体ケース（１）に固定してある請求項５に記載の小型電気機器。 A battery case (26) is formed in a rectangular case shape by a pair of holding walls (29L and 29R) and a pair of holding end walls (30),
The small electric device according to claim 5, wherein fastening seats (37) projecting from both ends of the outer surface of each holding wall (29L, 29R) are fixed to the main body case (1) by fastening bodies (39) . 電池収容部（２８）の装填口（３１）と正対する本体ケース（１）の内面に、電池（２７）の周面に密着する弾性体（４６）が設けてある請求項１から６のいずれかひとつに記載の小型電気機器。 7. An elastic body (46), which is in close contact with the peripheral surface of the battery (27), is provided on the inner surface of the main body case (1) facing the loading port (31) of the battery housing part (28). The small electric device according to any one of the above. 逃げ部（３２）の外開口側に一対の保持壁（２９Ｌ・２９Ｒ）を橋絡する複数の補強リブ（７６）が形成されており、
逃げ部（３２）の逃げ空間（Ｓ）に入り込んだ電池（２７）の周面が補強リブ（７６）で受止めてある請求項２から７のいずれかひとつに記載の小型電気機器。 A plurality of reinforcing ribs (76) for bridging the pair of holding walls (29L and 29R) are formed on the outer opening side of the escape portion (32).
The small electric device according to any one of claims 2 to 7, wherein a peripheral surface of the battery (27) that has entered the escape space (S) of the escape portion (32) is received by a reinforcing rib (76) .
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