JPH0465502B2 - - Google Patents
Info
- Publication number
- JPH0465502B2 JPH0465502B2 JP2106133A JP10613390A JPH0465502B2 JP H0465502 B2 JPH0465502 B2 JP H0465502B2 JP 2106133 A JP2106133 A JP 2106133A JP 10613390 A JP10613390 A JP 10613390A JP H0465502 B2 JPH0465502 B2 JP H0465502B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- gas
- storage battery
- anode
- socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 18
- 238000004880 explosion Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013022 venting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は防水型の電気かみそり、電動歯ぶらし
などの充電式電気機器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to rechargeable electric appliances such as waterproof electric shavers and electric tooth brushes.
［従来の技術］
一般に、防水型の電気かみそり、電動歯ぶらし
などの小型の充電式電気機器には、密封構造を有
するハウジング内に、ニツケル−カドミウム電池
よりなる蓄電池が内蔵されており、適宜充電を行
なうことにより電池を交換することなく繰り返し
使用できるようになつている。ところで、この種
の蓄電池において、逆充電、急速充電時における
過充電、極低温下での充電などを行なうと、充放
電反応によつて蓄電池内部に多量のガス（O2ガ
スおよびH2ガス）が発生する。この充放電反応
は、いわゆる水の電気分解反応であり、H2ガス
およびO2ガスが２：１の割合で発生する。[Prior Art] Generally, small rechargeable electric devices such as waterproof electric shavers and electric tooth brushes have a storage battery made of a nickel-cadmium battery built into a sealed housing. By charging the battery, it can be used repeatedly without having to replace it. By the way, when this type of storage battery is reverse charged, overcharged during rapid charging, or charged at extremely low temperatures, a large amount of gas (O 2 gas and H 2 gas) is generated inside the storage battery due to charge/discharge reactions. occurs. This charging/discharging reaction is a so-called water electrolysis reaction, and H 2 gas and O 2 gas are generated at a ratio of 2:1.
上記ガス生成反応は通常の充電状態では起きな
いが、前述したような誤つた充電方法にて蓄電池
を充電するとガス発生反応によるガスが大量に発
生して蓄電池の内部ガス圧が異常に上昇し、蓄電
池が破裂する危険がある。そこで、蓄電池には内
部ガス圧が異常高圧になつたときに解放される安
全弁が設けられており、多量に発生したガスを適
宜外部に放出するようにして内部ガス圧が一定以
上にならないようにしている。 The above gas generation reaction does not occur under normal charging conditions, but if a storage battery is charged using the incorrect charging method as described above, a large amount of gas will be generated due to the gas generation reaction, causing the internal gas pressure of the storage battery to rise abnormally. There is a risk that the battery will explode. Therefore, storage batteries are equipped with a safety valve that opens when the internal gas pressure reaches an abnormally high level, and releases a large amount of generated gas to the outside as appropriate to prevent the internal gas pressure from exceeding a certain level. ing.
［発明が解決しようとする課題］
しかしながら、上述の従来例にあつては、密封
構造を有するハウジング内に安全弁を有する蓄電
池およびモータ、スイツチ、配線などの電子部品
を収納して防水型としているが、蓄電池の安全弁
が作動して蓄電池内で発生したガスがガス抜き孔
から放出されると、ハウジング内に爆発性のガス
（H2ガスの爆発濃度範囲は４〜75％）が充満し、
モータの整流子で発生する火花（アーク）がガス
に引火して爆発する危険があつた。また、ガスの
放出時に、ガス抜き孔から蓄電池の電解液（アル
カリ液）が漏れた場合には、ハウジング内の電気
部品が腐食されて故障の原因となるという問題が
あつた。[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, a storage battery with a safety valve and electronic components such as a motor, a switch, and wiring are housed in a housing with a sealed structure to make it waterproof. When the safety valve of the storage battery is activated and the gas generated inside the storage battery is released from the gas vent hole, the housing is filled with explosive gas (the explosive concentration range of H2 gas is 4-75%).
There was a risk that sparks (arc) generated by the motor's commutator would ignite the gas and cause an explosion. Further, when the electrolyte (alkaline solution) of the storage battery leaks from the gas vent hole when gas is released, there is a problem in that electrical components within the housing are corroded, causing failure.
本発明は上述の点に鑑みて為されたものであ
り、その目的とするところは、蓄電池の急速充電
時などにおいて蓄電池の内部ガス圧が異常高圧に
なつたときに解放される安全弁を介して放出され
る爆発性のガスがハウジング内に拡散するのを防
止し、ガスによる爆発あるいは電解液による電気
部品の腐食を防止するとともに、ソケツト部で発
生する火花による爆発の危険を防止することにあ
る。 The present invention has been made in view of the above points, and its purpose is to provide a safety valve that is released when the internal gas pressure of the storage battery becomes abnormally high during rapid charging of the storage battery. The purpose is to prevent the released explosive gas from diffusing into the housing, prevent explosions caused by the gas or corrosion of electrical parts due to electrolyte, and prevent the danger of explosions caused by sparks generated at the socket. .
［課題を解決するための手段］
本発明の充電式電気機器は、密封構造のハウジ
ングの一端に動作部を設けるとともに他端に充電
アダプタが着脱自在なソケツト部を設け、上記ハ
ウジング内の動作部側にモータを、ソケツト部側
に蓄電池を配置し、蓄電池の陽極に安全弁を設け
るとともに、該陽極がソケツト側になるように配
置し、前記安全弁のガス抜き孔から放出されるガ
スをハウジング外に排出する通気手段を設け、上
記通気手段のガス抜き用開孔を陽極の近傍で且つ
ハウジングのソケツト部を形成する凹部以外の壁
面に形成したものである。[Means for Solving the Problems] The rechargeable electric device of the present invention is provided with an operating part at one end of a housing having a sealed structure, and a socket part to which a charging adapter can be attached and detached at the other end, and the operating part in the housing is provided with a socket part at the other end. A motor is placed on the side, a storage battery is placed on the socket side, a safety valve is provided on the anode of the storage battery, the anode is placed on the socket side, and the gas released from the gas vent hole of the safety valve is directed outside the housing. A vent means for discharging the gas is provided, and an aperture for venting the gas is formed in the vicinity of the anode and in a wall other than the recess forming the socket portion of the housing.
［作用］
本発明は上述のように構成されており、密封構
造のハウジング内の動作部側にモータを配置する
とともに、ソケツト部側に安全弁を有する蓄電池
を配置し、この陽極がソケツト側になるように配
置して陽極をモータから離れた位置になるように
しているので、万一、ハウジング内にガスが漏れ
出してもモータで発生するアークによる爆発の危
険が少なくなる。しかも、安全弁から放出された
ガスをハウジング外に排出するガス抜き用開孔を
陽極の近傍に設けているので、陽極で発生したガ
スは即時にガス抜き用開孔から排出される。[Function] The present invention is constructed as described above, and the motor is disposed on the operating part side in the sealed housing, and a storage battery with a safety valve is disposed on the socket side, and the anode is on the socket side. Since the anode is placed at a distance from the motor, even if gas leaks into the housing, the risk of explosion due to the arc generated by the motor is reduced. Moreover, since the gas vent hole for discharging the gas released from the safety valve to the outside of the housing is provided near the anode, the gas generated at the anode is immediately exhausted from the gas vent hole.
さらにまた、安全弁から放出されるガスをハウ
ジング外に排出する通気手段のガス抜き用開孔を
ハウジングのソケツト部を形成する凹部以外の壁
面に形成しているので、ソケツト部で発生する火
花がガスに引火する危険性も少ない。 Furthermore, the gas venting hole of the ventilation means for discharging the gas released from the safety valve to the outside of the housing is formed on the wall other than the recess forming the socket part of the housing, so that sparks generated at the socket part can There is also little risk of ignition.
［実施例］
第１図は本発明に係る電気かみそりの外観斜視
図であり、１は一端にかみそり刃部２を有し、他
端に充電アダプタ８が接続されるソケツト部３を
有するハウジングであり、ハウジング１内には蓄
電池６および蓄電池６から給電されるかみそり刃
駆動用モータ５が収納されている。充電アダプタ
８は商用電源を降圧整流した直流電源を出力する
もので、ソケツト部３に着脱自在に装着され、フ
ローテイング充電することもできるようになつて
いる。７は充電中を表示する表示窓である。第２
図および第３図は各部の構成を示す図であり、１
０は一端に側方開口１１を有し、他端に下方開口
１２を有する筒状体よりなるハウジング本体であ
り、このハウジング本体１０の側方開口１１にか
みそり刃部２が覆着され、下方開口１２に底蓋１
３がそれぞれＯリング２０，８７を介して覆着さ
れることにより密封構造のハウジング１が形成さ
れるようになつている。１４ａ、１４ｂはハウジ
ング本体１０の外側面に嵌着されるすべり止め用
サイドカバーであり、一方のサイドカバー１４ａ
の上部にロツク釦１６を有するスイツチハンドル
１５が摺動自在に取着されており、このスイツチ
ハンドル１５の裏面に取設された磁石（図示せ
ず）とハウジング１内に配設されたリードスイツ
チとで電源スイツチ１８が構成される。ハウジン
グ本体の一端の側方開口にＯリング２０を介して
覆着されるかみそり刃部２は、モータ５が下面の
凹部に嵌着されるモータ取付台２２と、周面に透
孔を有しモータ取付台２２に回転自在に装着され
る水洗リング２３と、外刃取付用ねじ溝を有しモ
ータ取付台２２にビスにて取着される外刃取付台
２６と、基台の上面に内刃が突設された内刃ブロ
ツク２９と、ドーム状面に多数の毛導入孔が穿設
された外刃３０を具備し筒状基台の下端外周面に
ねじ部が設けられた外刃ブロツク３３と、キヤツ
プホルダおよびキヤツプカバーよりなるかみそり
刃カバー３６とで構成されており、モータ５の回
転軸５ａをプツシング３７を介してモータ取付台
２２の上面に突出させ、回転軸５ａに嵌着される
駆動軸３８を介して内刃ブロツク２９を回転駆動
するようになつている。すなわち、実施例にあつ
ては、水洗リング２３の透孔と外刃取付台２６の
透孔とを一致させてかみそり刃部２を水中に入れ
ることにより、髪溜め内３９に水を導入し、電源
スイツチ１８をオンにして内刃ブロツク２９を回
転させることにより髪溜め３９内の髪くずを洗い
流すようになつているので、モータ５および蓄電
地６が収納されているハウジング１内と髪溜め３
９と水密的に遮断する必要があり、モータ５の回
転軸５ａにブツシング３７を介装して回転軸５ａ
部を水密構造としているわけである。電池ブロツ
ク４０は、蓄電池６の陽極６ａに接続される陽極
端子金具７５、陰極６ｂに接続される陰極端子金
具７６、モータ接続金具４３ａ，４３ｂおよびス
イツチ接続金具４４が装着される電池ホルダ４５
の凹部４６に蓄電池６を陽極６ａが下方になるよ
うに収納して形成される。ところで、蓄電池６の
陽極６ａには陰極となる筒状ケース６０の開口を
閉塞する封口板６１に設けられたガス突出孔６
２、弁体６３および陽極端子板６４の突極部６５
に穿設されたガス抜き孔６６とで構成される安全
弁６７が設けられている。７０は蓄電池６の陽極
側端部に覆着されるコツプ状キヤツプであり、安
全弁６７のガス抜き孔６６を囲みガス抜き孔６６
から放出されるガスがハウジング１内に拡散する
のを防止する拡散防止手段となる。このキヤツプ
７０は弾性材にて形成され開口縁が延出されて蓄
電池６を保持する筒状の電池保持部７１が形成さ
れており、電池保持部７１の内周面に突設された
環状の凸条７２が蓄電池６の端部周面に形成され
た環状の凹溝７３に嵌合することにより、蓄電池
６を保持すると同時に蓄電池６から放出されるガ
スがハウジング１内に拡散しないようにキヤツプ
７０内に密閉するようになつている。７４は陽極
端子金具７５をキヤツプ７０内に導入する切り込
みであり、この切り込み７４を介して導入された
陽極端子金具７５はキヤツプ７０の内底面に配設
され、蓄電池６の陽極６ａに接続される。７７は
陽極端子金具７５の導入部分からガスが漏れるの
を防止するシール材である。このキヤツプ７０内
とハウジング１外とは通気パイプ８２にて形成さ
れる通気路８０にて連通しており、キヤツプ７０
内に閉じ込められたガスは通気路８０を介してハ
ウジング１外へ排出されるようになつている。[Example] Fig. 1 is an external perspective view of an electric shaver according to the present invention, and 1 is a housing having a razor blade part 2 at one end and a socket part 3 to which a charging adapter 8 is connected at the other end. The housing 1 houses a storage battery 6 and a razor blade drive motor 5 that is supplied with power from the storage battery 6. The charging adapter 8 outputs a DC power source obtained by step-down rectifying a commercial power source, and is detachably attached to the socket portion 3 so that floating charging is also possible. 7 is a display window that displays when charging is in progress. Second
Figures 1 and 3 are diagrams showing the configuration of each part, and 1
0 is a housing body made of a cylindrical body having a side opening 11 at one end and a downward opening 12 at the other end.A razor blade portion 2 is covered with the side opening 11 of this housing body 10, Bottom cover 1 in opening 12
3 are covered with O-rings 20 and 87, respectively, thereby forming a housing 1 having a sealed structure. 14a and 14b are anti-slip side covers fitted to the outer surface of the housing main body 10, one of which is the side cover 14a.
A switch handle 15 having a lock button 16 is slidably attached to the upper part of the switch handle 15, and a magnet (not shown) attached to the back side of the switch handle 15 and a reed switch disposed inside the housing 1 are connected to each other. A power switch 18 is configured. The razor blade part 2, which is fitted to a side opening at one end of the housing body via an O-ring 20, has a motor mounting base 22 into which the motor 5 is fitted into a recessed part on the lower surface, and a through hole on the circumferential surface. A water washing ring 23 is rotatably attached to the motor mount 22, an outer cutter mount 26 has a thread groove for attaching an outer cutter and is attached to the motor mount 22 with screws, and an inner cutter is attached to the top surface of the base. An outer cutter block comprising an inner cutter block 29 with protruding blades, an outer cutter 30 with a dome-shaped surface having a number of hair introduction holes, and a threaded portion on the outer peripheral surface of the lower end of the cylindrical base. 33, and a razor blade cover 36 consisting of a cap holder and a cap cover. The inner cutter block 29 is rotatably driven through a drive shaft 38. That is, in the embodiment, water is introduced into the hair reservoir 39 by aligning the through hole of the flushing ring 23 with the through hole of the outer blade mount 26 and placing the razor blade 2 into the water. By turning on the power switch 18 and rotating the inner cutter block 29, hair debris in the hair reservoir 39 is washed away.
9, it is necessary to interpose a bushing 37 on the rotating shaft 5a of the motor 5 to connect the rotating shaft 5a.
The structure is watertight. The battery block 40 includes an anode terminal fitting 75 connected to the anode 6a of the storage battery 6, a cathode terminal fitting 76 connected to the cathode 6b, a battery holder 45 to which the motor connection fittings 43a, 43b and the switch connection fitting 44 are attached.
The storage battery 6 is housed in the recess 46 with the anode 6a facing downward. By the way, the anode 6a of the storage battery 6 has a gas protrusion hole 6 provided in a sealing plate 61 that closes the opening of the cylindrical case 60 which becomes the cathode.
2. Valve body 63 and salient pole portion 65 of anode terminal plate 64
A safety valve 67 is provided with a gas vent hole 66 drilled in the gas vent hole 66 . Reference numeral 70 designates a cap-shaped cap that covers the anode side end of the storage battery 6, and surrounds the gas vent hole 66 of the safety valve 67.
This serves as a diffusion prevention means for preventing gas released from the housing 1 from diffusing into the housing 1. The cap 70 is made of an elastic material and has an extended opening edge to form a cylindrical battery holding part 71 for holding the storage battery 6. By fitting the protrusion 72 into an annular groove 73 formed on the peripheral surface of the end of the storage battery 6, the cap holds the storage battery 6 and at the same time prevents the gas released from the storage battery 6 from diffusing into the housing 1. It is designed to be sealed inside 70. Reference numeral 74 denotes a notch for introducing the anode terminal fitting 75 into the cap 70, and the anode terminal fitting 75 introduced through the notch 74 is disposed on the inner bottom surface of the cap 70 and connected to the anode 6a of the storage battery 6. . 77 is a sealing material that prevents gas from leaking from the introduction portion of the anode terminal fitting 75. The inside of the cap 70 and the outside of the housing 1 communicate with each other through a ventilation path 80 formed by a ventilation pipe 82.
The gas trapped inside is discharged to the outside of the housing 1 via the ventilation path 80.
ハウジング本体１０の下方開口１２を閉塞する
底蓋１３には第４図に示すような充電回路Ｃを構
成するダイオードＤ、抵抗Ｒおよび充電表示用発
行ダイオードLDが実装されたプリント基板８３
が取着されており、底蓋１３下面の凹所８９内に
突設される充電用給電ピン８１ａ，８１ｂの基部
がプリント基板８３にはんだ付けにて固定されて
いる。８４は給電ピン８１ａ，８１ｂを水密的に
底蓋１３に装着するためのＯリングである。 The bottom cover 13 that closes the lower opening 12 of the housing body 10 has a printed circuit board 83 on which a diode D, a resistor R, and a charging display diode LD constituting a charging circuit C as shown in FIG. 4 are mounted.
is attached, and the bases of charging power supply pins 81a and 81b protruding into the recess 89 on the lower surface of the bottom cover 13 are fixed to the printed circuit board 83 by soldering. 84 is an O-ring for attaching the power supply pins 81a and 81b to the bottom cover 13 in a watertight manner.
ここに、実施例では、ハウジング本体１０の側
面に設けた開口１０１にパツキン１０２を嵌め込
み、このパツキン１０２およびキヤツプ７０を貫
通するように通気パイプ８２を貫挿して通気手段
を形成しており、キヤツプ７０内に放出されたガ
スは矢印Ｂで示すように通気パイプ８２、サイド
カバー１４ａとハウジング本体１０との間の間隙
１０３よりなる通気路８０およびサイドカバー１
４ａ（ハウジング１のソケツト部３が設けられて
いない壁面）に設けられたガス抜き用開孔１０４
を介して側方に排出されるようにしている。図
中、８５，８６は配線リードである。このように
して電池ブロツク４０が装着された底蓋１３はＯ
リング８７を介してハウジグ本体１０の下方開口
１２にビス８８により覆着される。 In this embodiment, a gasket 102 is fitted into an opening 101 provided on the side surface of the housing body 10, and a ventilation pipe 82 is inserted through the gasket 102 and the cap 70 to form a ventilation means. The gas released into the interior of the housing 70 flows through the ventilation pipe 82, the ventilation path 80 consisting of the gap 103 between the side cover 14a and the housing body 10, and the side cover 1, as shown by arrow B.
4a (the wall surface where the socket portion 3 of the housing 1 is not provided) is a gas venting hole 104
It is designed to be drained laterally through the In the figure, 85 and 86 are wiring leads. The bottom cover 13 with the battery block 40 attached in this way is
The lower opening 12 of the housing body 10 is covered with a screw 88 via a ring 87 .
しかして、実施例にあつてはハウジング１内の
キヤツプ７０にて囲まれた部分以外が外部と水密
的にしや断され、キヤツプ７０にて囲まれた部分
を通気パイプ８２、間隙１０３よりなる通気路８
０およびガス抜き用開孔１０４を介してハウジン
グ１外と連通させたものであり、蓄電池６の安全
弁６７が作動してガス抜き孔６６から蓄電池６内
で発生したガスが放出された場合にあつても、ハ
ウジング１内のモータ５などが配設されている部
分にガスが拡散することがなく、モータ５の火花
がガスに引火して爆発するおそれがないととも
に、モータ５、電源スイツチ１８などの電気部分
がガスおよびガスと一緒に放出される電解液によ
つて腐食されることがない。 Therefore, in the embodiment, the portion of the housing 1 other than the portion surrounded by the cap 70 is watertightly disconnected from the outside, and the portion surrounded by the cap 70 is provided with a ventilation pipe 82 and a gap 103 for ventilation. Road 8
0 and the outside of the housing 1 through the gas vent hole 104, in case the safety valve 67 of the storage battery 6 is activated and the gas generated inside the storage battery 6 is released from the gas vent hole 66. Even if the motor 5, the power switch 18, etc. are installed, the gas will not diffuse into the part of the housing 1 where the motor 5, etc. electrical parts are not corroded by the gas and the electrolyte released with the gas.
また、ハウジング１の一壁面に充電用アダプタ
を着脱自在に接続するソケツト部３が設けられ、
上記ソケツト部３には、蓄電池６と充電用アダプ
タとを電気的に接触接続する接続部材が設けられ
ていおり、このソケツト部３で火花が発生し易い
が、ガス抜き用開孔１０４をハウジング１のソケ
ツト部３が形成されていない壁面に設けているの
で、ソケツト部３で発生する火花がガス抜き用開
孔１０４を介して排出されるガスに引火して爆発
する危険を防止することができる。 Further, a socket portion 3 for detachably connecting a charging adapter is provided on one wall surface of the housing 1.
The socket portion 3 is provided with a connecting member that electrically connects the storage battery 6 and the charging adapter. Although sparks are likely to occur in the socket portion 3, the gas vent hole 104 is connected to the housing 1. Since the socket part 3 is provided on the wall surface where the socket part 3 is not formed, it is possible to prevent the risk of explosion due to sparks generated in the socket part 3 igniting the gas discharged through the gas vent hole 104. .
第５図は他の実施例を示すもので、キヤツプ７
０″内とハウジング１′外とを連通させる通気パイ
プ８２を給電ピン８１ａ，８１ｂと一体化せずに
ハウジング１′の下面に設けたものであり、通気
パイプ８２はプリント基板８３に貫装固定され、
ハウジング１′の下面に穿設した透孔１０５内に
突出するようになつており、給電ピン８１ａ，８
１ｂを突出させるための開口１０６を塞ぐパツキ
ン１０７を貫通させることにより、通気パイプ８
２が水密構造でハウジング１′外に導出されるよ
うになつている。実施例にあつてはキヤツプ７
０″は絶縁チユーブ９４にて蓄電池６の端部に覆
着されており、キヤツプ７０″の接続筒９３の内
径と通気パイプ８２の外径とを同一にするために
通気パイプ８２にはスリーブ１０８が外挿されて
いる。 FIG. 5 shows another embodiment, in which the cap 7
A ventilation pipe 82 that communicates between the inside of the housing 1' and the outside of the housing 1' is provided on the lower surface of the housing 1' without being integrated with the power supply pins 81a and 81b, and the ventilation pipe 82 is fixed to the printed circuit board 83. is,
The power supply pins 81a and 8 protrude into a through hole 105 formed in the lower surface of the housing 1'.
By passing through the gasket 107 that closes the opening 106 for protruding the vent pipe 8
2 has a watertight structure and is led out of the housing 1'. In the example, cap 7
The end of the storage battery 6 is covered with an insulating tube 94, and the ventilation pipe 82 is provided with a sleeve 108 in order to make the inner diameter of the connecting tube 93 of the cap 70'' and the outer diameter of the ventilation pipe 82 the same. is extrapolated.
なお、上述の各実施例において、蓄電池６の筒
状ケース６０の外周面に絶縁被覆が施されている
場合すなわち陽極６ａの近傍に陰極６ｂと導通す
る金属部分が露出していない場合には、キヤツプ
７０あるいは７０′，７０″を導電性の弾性材にて
形成することによつて陽極端子金具７５あるいは
７５′を省略することができる。 In addition, in each of the above-mentioned embodiments, when an insulating coating is applied to the outer peripheral surface of the cylindrical case 60 of the storage battery 6, that is, when there is no exposed metal part that conducts with the cathode 6b near the anode 6a, By forming the cap 70 or 70', 70'' from a conductive elastic material, the anode terminal fitting 75 or 75' can be omitted.
［発明の効果］
本発明は上述のように、密封構造のハウジング
の一端に動作部を設けるとともに他端に充電アダ
プタが着脱自在なソケツト部を設け、上記ハウジ
ング内の動作部側にモータを、ソケツト部側に蓄
電地を配置し、蓄電地の陰極に安全弁を設けると
ともに、該陽極がソケツト側になるように配置
し、前記安全弁のガス抜き孔から放出されるガス
をハウジング外に排出する通気手段を設け、上記
通気手段のガス抜き用開孔を陽極の近傍で且つハ
ウジングのソケツト部を形成する凹部以外の壁面
に形成したものであり、蓄電池の安全弁を有する
陽極がソケツト側になるように配置して陽極をモ
ータから離れた位置になるようにしているので、
万一、ハウジング内にガスが漏れ出してもモータ
で発生するアークによる爆発の危険が少なくなる
という効果があり、しかも、安全弁から放出され
たガスをハウジング外に排出するガス抜き用開孔
を陽極の近傍に設けているので、陽極で発生した
ガスは即時にガス抜き用開孔から排出されるとい
う効果がある。[Effects of the Invention] As described above, the present invention provides a working part at one end of a sealed housing, a socket part to which a charging adapter can be attached and detached at the other end, and a motor on the working part side in the housing. A power storage battery is placed on the socket side, a safety valve is provided on the cathode of the power storage battery, and the anode is placed on the socket side, and ventilation is provided to discharge the gas released from the gas vent hole of the safety valve to the outside of the housing. The vent means is provided with a gas vent hole formed in the vicinity of the anode and in a wall other than the recess forming the socket portion of the housing, such that the anode having the safety valve of the storage battery is on the socket side. Since the anode is located far away from the motor,
This has the effect of reducing the risk of explosion due to the arc generated by the motor even if gas leaks into the housing.In addition, the anode has a gas vent hole that exhausts the gas released from the safety valve to the outside of the housing. Since the anode is located near the anode, the gas generated at the anode is immediately discharged from the gas vent hole.
さらにまた、安全弁から放出されるガスをハウ
ジング外に排出する通気手段のガス抜き用開孔を
ハウジングのソケツト部を形成する凹部以外の壁
面に形成しているので、ソケツト部で発生する火
花がガスに引火する危険性も少ないという効果が
ある。 Furthermore, the gas venting hole of the ventilation means for discharging the gas released from the safety valve to the outside of the housing is formed in the wall other than the recess forming the socket part of the housing, so that sparks generated in the socket part can This has the effect of reducing the risk of ignition.
第１図は本発明一実施例の外観斜視図、第２図
は同上の一部破断した正面図、第３図は同上の要
部断面図、第４図は充電回路を示す図、第５図は
他の実施例の要部断面図である。
１はハウジング、５はモータ、６は蓄電池、６
６はガス抜き孔、６７は安全弁、７０はキヤツ
プ、８２は通気パイプ、１０３は間隙、１０４は
ガス抜き用開孔である。
Fig. 1 is an external perspective view of one embodiment of the present invention, Fig. 2 is a partially cutaway front view of the same, Fig. 3 is a sectional view of the main parts of the same, Fig. 4 is a diagram showing the charging circuit, Fig. 5 The figure is a sectional view of a main part of another embodiment. 1 is a housing, 5 is a motor, 6 is a storage battery, 6
6 is a gas vent hole, 67 is a safety valve, 70 is a cap, 82 is a ventilation pipe, 103 is a gap, and 104 is a gas vent opening.
Claims (1)
るとともに他端に充電アダプタが着脱自在なソケ
ツト部を設け、上記ハウジング内の動作部側にモ
ータを、ソケツト部側に蓄電地を配置し、蓄電地
の陽極に安全弁を設けるとともに、該陽極がソケ
ツト側になるように配置し、前記安全弁のガス抜
き孔から放出されるガスをハウジング外に排出す
る通気手段を設け、上記通気手段のガス抜き用開
孔を陽極の近傍で且つハウジングのソケツト部を
形成する凹部以外の壁面に形成したことを特徴と
する充電式電気機器。1. An operating part is provided at one end of a sealed housing, and a socket part to which a charging adapter can be attached and detached is provided at the other end, a motor is arranged on the operating part side in the housing, a power storage battery is arranged on the socket part side, and the power storage battery is placed in the housing. A safety valve is provided on the anode of the housing, the anode is placed on the socket side, and a ventilation means is provided to discharge the gas released from the gas vent hole of the safety valve to the outside of the housing. A rechargeable electric device characterized in that a hole is formed in the vicinity of an anode and in a wall surface other than a recess forming a socket portion of a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2106133A JPH02291675A (en) | 1990-04-21 | 1990-04-21 | Charging type electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2106133A JPH02291675A (en) | 1990-04-21 | 1990-04-21 | Charging type electric appliance |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56187436A Division JPS5889783A (en) | 1981-11-20 | 1981-11-20 | Rechargeable electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02291675A JPH02291675A (en) | 1990-12-03 |
| JPH0465502B2 true JPH0465502B2 (en) | 1992-10-20 |
Family
ID=14425898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2106133A Granted JPH02291675A (en) | 1990-04-21 | 1990-04-21 | Charging type electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02291675A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK167178B1 (en) * | 1992-03-17 | 1993-09-13 | Westergaard Knud E Ind As | HIGH PRESSURE CLEANER WITH INCLUDED ENGINE PUMP UNIT |
-
1990
- 1990-04-21 JP JP2106133A patent/JPH02291675A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02291675A (en) | 1990-12-03 |
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