JPH09122362A - Rotary electric shaver - Google Patents
Rotary electric shaverInfo
- Publication number
- JPH09122362A JPH09122362A JP28171995A JP28171995A JPH09122362A JP H09122362 A JPH09122362 A JP H09122362A JP 28171995 A JP28171995 A JP 28171995A JP 28171995 A JP28171995 A JP 28171995A JP H09122362 A JPH09122362 A JP H09122362A
- Authority
- JP
- Japan
- Prior art keywords
- inner blade
- joint
- razor
- blade body
- outer blade
- 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.)
- Pending
Links
Landscapes
- Dry Shavers And Clippers (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、回転式電気かみそ
りの安全機構に係り、外刃体がかみそり本体に取付けら
れているときのみ、内刃体が回転するものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety mechanism of a rotary electric razor, and more particularly to a rotary electric razor in which an inner blade rotates only when an outer blade is attached to a razor body.
【0002】[0002]
【従来の技術】従来の回転式電気かみそりは、かみそり
本体に螺合される外刃体と、この外刃体の内側に取付け
られるとともに外刃体の外刃の内面に接して回転する内
刃を有する内刃体とから構成されている。2. Description of the Related Art A conventional rotary electric shaver has an outer blade body screwed into a razor body and an inner blade body mounted inside the outer blade body and rotating in contact with an inner surface of the outer blade body of the outer blade body. And an inner blade having.
【0003】使用中、外刃体のかみそり本体への螺着が
弛み、外刃体がかみそり本体から離脱し、回転している
内刃で顔などを傷つけることがあった。During use, the outer blade body was loosened by screwing it into the razor body, the outer blade body was detached from the razor body, and the rotating inner blade could injure a face or the like.
【0004】そこで、上記従来技術の欠点を解決する方
法として特開昭49−48450号の発明がある。Therefore, as a method for solving the above-mentioned drawbacks of the prior art, there is the invention of Japanese Patent Laid-Open No. 49-48450.
【0005】この発明は、図7に示すように、外刃2の
周縁部を外刃枠3の上部に固着した外刃体1と、この外
刃体1の外刃枠3の内周面下端部に、内周面に複数個の
切欠5を形成したリング4を圧入する。In the present invention, as shown in FIG. 7, an outer cutter body 1 in which a peripheral edge of an outer cutter 2 is fixed to an upper portion of an outer cutter frame 3, and an inner peripheral surface of the outer cutter frame 3 of the outer cutter body 1. A ring 4 having a plurality of cutouts 5 formed on the inner peripheral surface is press-fitted into the lower end portion.
【0006】つぎに、リング4の切欠5にそれぞれ対応
せしめて複数個の突起9を内刃台8の周側面に形成する
とともに、内刃体6に外刃2の内面に接して回転する内
刃7を弾性的に支持せしめ、複数個の切欠5に複数個の
突起9の夫々を通過せしめることによって、内刃体6を
外刃体1内に着脱自在に嵌合せしめるものである。Next, a plurality of projections 9 are formed on the peripheral side surface of the inner blade base 8 in correspondence with the notches 5 of the ring 4, and the inner blade body 6 rotates in contact with the inner surface of the outer blade 2. The inner blade body 6 is detachably fitted into the outer blade body 1 by elastically supporting the blade 7 and allowing the plurality of protrusions 9 to pass through the plurality of notches 5, respectively.
【0007】[0007]
【発明が解決しようとする課題】上記のように従来の回
転式電気かみそりでは、内刃体6の外周面に設けた複数
個の突起9を外刃体1の内周に形成した複数個の切欠5
に夫々通過せしめて、内刃体6を外刃体1内に組立てる
ものである。As described above, in the conventional rotary electric shaver, a plurality of protrusions 9 provided on the outer peripheral surface of the inner blade body 6 are formed on the inner periphery of the outer blade body 1. Cutout 5
The inner blade body 6 is assembled in the outer blade body 1 by passing through each of them.
【0008】このため、使用中に、万一外刃体1がかみ
そり本体(図示せず)から離脱した場合でも、内刃体6
が本体側に残って回転し続けるということなく、外刃体
1内に嵌合された状態で内刃体6も同時に離脱するもの
である。したがって、内刃7で顔などを傷付けることが
なく安全であった。Therefore, even if the outer blade body 1 is detached from the razor body (not shown) during use, the inner blade body 6
Does not remain on the main body side and continues to rotate, and the inner blade body 6 is also removed at the same time while being fitted in the outer blade body 1. Therefore, the inner blade 7 was safe without damaging the face or the like.
【0009】しかし、外刃体1から内刃体6を取出し、
単独で、モ−タの回転軸(図示せず)に取付けることが
できる。このため、内刃7が露出した状態で回転させる
ことが可能であり安全機構としては不完全であるという
問題があった。However, taking out the inner blade body 6 from the outer blade body 1,
It can be attached alone to the rotary shaft (not shown) of the motor. For this reason, there is a problem that the inner blade 7 can be rotated in a state of being exposed, which is an incomplete safety mechanism.
【0010】本発明は上記の点に鑑みてなされたもの
で、内刃が露出した状態のままでも、回転しない回転式
電気かみそりの安全機構を提供することを課題とする。The present invention has been made in view of the above points, and an object of the present invention is to provide a safety mechanism for a rotary electric shaver that does not rotate even when the inner blade is exposed.
【0011】[0011]
【課題を解決するための手段】前記課題を達成するため
に、本発明の請求項1記載の回転式電気かみそりは、外
刃を有する外刃体と、前記外刃の内面に接して回転する
内刃を有する内刃体と、モ−タを収納するかみそり本体
と、このかみそり本体から突出して設けられた前記モ−
タの回転軸と、前記回転軸に連結するとともに前記内刃
体の裏面側に設けられた接続用軸孔に嵌合される継手
と、この継手と前記内刃体とが互いに回転方向に係合す
る回り止め手段をそれぞれ前記継手と前記接続用軸孔に
形成し、前記外刃体を前記かみそり本体の外刃取付体に
取付けたときのみ、前記内刃体および前記継手の回り止
め手段が互いに回転方向に係合することを特徴とする。In order to achieve the above object, the rotary electric shaver according to claim 1 of the present invention rotates in contact with an outer blade body having an outer blade and an inner surface of the outer blade. An inner blade body having an inner blade, a razor body for accommodating the motor, and the mower provided so as to project from the razor body.
Rotating shaft of the rotor, a joint that is connected to the rotating shaft and that is fitted into a connecting shaft hole provided on the back surface side of the inner blade body, and the joint and the inner blade body are engaged with each other in the rotational direction. Rotation preventing means for the inner blade body and the joint are formed only when the detent means for mating are respectively formed in the joint and the connecting shaft hole, and the outer blade body is attached to the outer blade mounting body of the razor body. It is characterized in that they engage with each other in the rotational direction.
【0012】請求項2記載の回転式電気かみそりは、前
記継手の外周位置に上下動自在に配置され、クラッチ用
付勢部材により上方に付勢されたクラッチ部材の上端を
前記内刃体に当接させて設け、前記外刃体を前記かみそ
り本体から取外したとき、前記内刃体および前記継手の
回り止め手段が互いに回転方向に係合しなくなるように
前記内刃体を上方に移動させることを特徴とする。According to a second aspect of the present invention, there is provided a rotary electric shaver which is vertically movably arranged at an outer peripheral position of the joint so that an upper end of a clutch member biased upward by a clutch biasing member contacts the inner blade body. To move the inner blade body upward so that the inner blade body and the detent means of the joint do not engage in the rotational direction when the outer blade body is removed from the razor body. Is characterized by.
【0013】請求項3記載の回転式電気かみそりは、前
記外刃体を前記かみそり本体から取外したとき、前記か
みそり本体に接触するブレ−キ部材を前記クラッチ部材
に設けたことを特徴とする。A rotary electric shaver according to a third aspect of the present invention is characterized in that the clutch member is provided with a brake member that comes into contact with the razor body when the outer blade body is removed from the razor body.
【0014】請求項4記載の回転式電気かみそりは、前
記継手の上端と前記内刃体の接合用軸孔の上端内面との
間に、前記内刃体を上方に付勢する内刃体用付勢部材を
設けたことを特徴とするものである。A rotary electric shaver according to a fourth aspect of the present invention is an inner blade body for urging the inner blade body upward between the upper end of the joint and the upper inner surface of the connecting shaft hole of the inner blade body. It is characterized in that a biasing member is provided.
【0015】上記請求項1の構成において、外刃体をか
みそり本体から取外すと、内刃体は継手の接続用嵌合軸
に沿って上方に移動し、継手の回り止め部と内刃体の回
り止め受部とが係合しない位置まで内刃体は上方に移動
する。従って、継手が回転している場合でも内刃体は回
転せず、内刃で顔などを傷付けることなく安全である。
また、かみそり本体に外刃体を取付けると、内刃体は
下方に移動し、継手の回り止め部と内刃体の回り止め受
部とが係合し、継手の回転に伴いない内刃体は正常に回
転するものである。In the structure of claim 1, when the outer blade body is removed from the razor body, the inner blade body moves upward along the fitting shaft for connection of the joint, and the detent portion of the joint and the inner blade body move. The inner blade body moves upward to a position where it does not engage with the rotation stopper receiving portion. Therefore, even when the joint rotates, the inner blade does not rotate, and the inner blade is safe without damaging the face or the like.
Also, when the outer blade body is attached to the razor body, the inner blade body moves downward, the detent portion of the joint engages with the detent receiving portion of the inner blade body, and the inner blade body does not rotate with the joint. Is the one that rotates normally.
【0016】請求項2の構成において、継手の外周面側
に取付けられ、クラッチ用スプリングにより上方に付勢
されつつ上下動自在に移動するクラッチ部材を設け、ク
ラッチ部材の上端を内刃体に当接させて取付けられてい
る。このため、かみそり本体から外刃体を取外すと、ク
ラッチ用スプリングによりクラッチ部材が上方に移動す
るとともに、内刃体の上方に移動し、継手の回り止め部
と内刃体の回り止め受部とが係合しない位置まで内刃体
は上方に移動する。従って、継手が回転している場合で
も内刃体は回転せず、内刃で顔などを傷付けることなく
安全である。According to a second aspect of the present invention, there is provided a clutch member which is attached to the outer peripheral surface side of the joint and which is movable upward and downward while being urged upward by a clutch spring, and the upper end of the clutch member contacts the inner blade. Installed in contact. For this reason, when the outer blade is removed from the razor body, the clutch spring moves the clutch member upward and at the same time, it moves above the inner blade to prevent the joint from rotating and the inner blade receiving portion. The inner blade moves upward to a position where is not engaged. Therefore, even when the joint rotates, the inner blade does not rotate, and the inner blade is safe without damaging the face or the like.
【0017】請求項3の構成において、クラッチ部材の
外周面にブレ−キ部を一体的に形成している。このた
め、かみそり本体から外刃体を取外すと、クラッチ用ス
プリングによりクラッチ部材が上方に移動するととも
に、ブレ−キ部がかみそり本体の上壁部の下面に押圧接
触しているため、継手が回転している場合でも、継手の
下面とクラッチ部材との摩擦による伝達力はブレ−キ部
によりクラッチ部材に回転が伝達しない。従って、請求
項1、2に比べてより安全である。In the third aspect of the invention, the brake portion is integrally formed on the outer peripheral surface of the clutch member. For this reason, when the outer cutter is removed from the razor body, the clutch spring moves the clutch member upward, and the brake part presses against the lower surface of the upper wall of the razor body, causing the joint to rotate. Even if it is, the rotation does not transmit the transmission force due to the friction between the lower surface of the joint and the clutch member to the clutch member due to the break portion. Therefore, it is safer as compared with claims 1 and 2.
【0018】請求項4の構成において、内刃体を上方に
付勢する内刃体用スプリングを内刃体と継手との間に配
置した場合でも、請求項1記載と同様な作用効果を奏す
る。In the structure of claim 4, even when the inner blade spring for urging the inner blade upward is arranged between the inner blade and the joint, the same effect as that of the first aspect can be obtained. .
【0019】[0019]
【発明の実施の形態】以下、図1ないし図4を参照して
本発明の実施の形態を説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS.
【0020】図3は本発明の一実施の形態に係る回転式
電気かみそりの構成を示す分解斜視図である。FIG. 3 is an exploded perspective view showing the structure of a rotary electric shaver according to an embodiment of the present invention.
【0021】51はモ−タ60を収納する合成樹脂など
からなる下方開口した円筒状のかみそり本体で、上面部
には上壁部54が形成されている。この上壁部54の中
央には、円形状の貫通孔55を、中間部にはそれぞれ取
付孔56,56が穿設されている。さらに、かみそり本
体51の上部外周面には、外刃体20を螺着するための
ねじ53aが設けられた外刃取付体53が形成されてい
る。Reference numeral 51 denotes a cylindrical razor body which is made of synthetic resin or the like and accommodates the motor 60, and has a downward opening, and an upper wall portion 54 is formed on an upper surface portion thereof. A circular through hole 55 is formed in the center of the upper wall portion 54, and mounting holes 56, 56 are formed in the middle portion. Further, an outer blade mounting body 53 provided with a screw 53a for screwing the outer blade body 20 is formed on the outer peripheral surface of the upper portion of the razor body 51.
【0022】モ−タ60の上面部には、モ−タ取付台6
1に嵌合固定する円筒状に突出した嵌合ボス65が突出
形成されるとともに、この嵌合ボス65からモ−タ回転
軸64が突出形成されている。また、このモ−タ回転軸
64の先端には、横断面形状がD形をしたDカット64
aが形成されている。On the upper surface of the motor 60, a motor mount 6 is attached.
A fitting boss 65 protruding in a cylindrical shape for fitting and fixing to the No. 1 is formed, and a motor rotating shaft 64 is formed so as to project from the fitting boss 65. Further, a D cut 64 having a D-shaped cross section is formed at the tip of the motor rotation shaft 64.
a is formed.
【0023】61はかみそり本体51の内周面に係合し
て取付けられる合成樹脂などからなる円盤状のモ−タ取
付台で、上面中央にはモ−タ60の嵌合ボス65が挿入
嵌合される嵌合孔58が設けられるとともに、中央にね
じ孔63が設けられた円筒状の取付ボス62,62が、
かみそり本体51の取付孔56,56に対向してそれぞ
れ突出形成されている。Reference numeral 61 is a disc-shaped motor mount made of synthetic resin or the like, which is mounted by engaging with the inner peripheral surface of the razor body 51, and the fitting boss 65 of the motor 60 is inserted and fitted in the center of the upper surface. The cylindrical mounting bosses 62, 62 each having a fitting hole 58 to be fitted and a screw hole 63 in the center are
The razor body 51 is formed so as to protrude from the mounting holes 56, 56, respectively.
【0024】40は上方開口した有底円筒状の合成樹脂
などからなるクラッチ部材で、クラッチ部材40の底部
42の中央には、図1にに示すように、貫通孔43が形
成されている。さらに、クラッチ部材40の外周面の略
中央部には、外方に突出し上面が平坦な略三角形をした
ブレ−キ部41が設けられている。Reference numeral 40 denotes a clutch member made of a synthetic resin or the like having a bottomed cylindrical shape having an upper opening, and a through hole 43 is formed in the center of a bottom portion 42 of the clutch member 40 as shown in FIG. Further, at a substantially central portion of the outer peripheral surface of the clutch member 40, there is provided a break portion 41 protruding outward and having a substantially triangular upper surface.
【0025】つぎに、図1および図3を参照してモ−タ
のかそり本体への組立て方法を説明する。Next, a method of assembling the motor to the razor body will be described with reference to FIGS.
【0026】最初に、モ−タ60の上面に形成した嵌合
ボス65をモ−タ取付台61の嵌合孔58に嵌合させ
て、モ−タ取付台61にモ−タ60を嵌合固定する。First, the fitting boss 65 formed on the upper surface of the motor 60 is fitted into the fitting hole 58 of the motor mounting base 61, and the motor 60 is fitted into the motor mounting base 61. Fix together.
【0027】つぎに、モ−タの回転軸64にコイル状の
クラッチ用スプリング45およびクラッチ部材40を挿
入した状態で、モ−タ取付台61をかみそり本体51の
下方から内部に挿入させ、クラッチ部材40の上端をか
みそり本体51の上壁部54に穿設した貫通孔55から
突出させる。それから、モ−タ取付台61の取付ボス6
2をかみそり本体51の取付孔56に位置合せしたの
ち、取付ねじ57を取付ボス62のねじ孔63にそれぞ
れ螺着することにより、かみそり本体51にモ−タ取付
台61を取付固定する。それから、図示しない底蓋をか
みそり本体51の下部に取付け、かみそり本体51と底
蓋との間にモ−タ60を挟んで収納する。クラッチ部材
40はクラッチ用スプリング45により上方に付勢され
るとともにクラッチ部材40のブレ−キ部41が、かみ
そり本体51の上壁部54の下面に当接する。また、ク
ラッチ部材40は上下動自在にかみそり本体51に取付
けられる。Next, with the coil-shaped clutch spring 45 and the clutch member 40 inserted in the rotary shaft 64 of the motor, the motor mount 61 is inserted from below the razor body 51 into the clutch. The upper end of the member 40 is projected from the through hole 55 formed in the upper wall portion 54 of the razor body 51. Then, the mounting boss 6 of the motor mounting base 61
After the 2 is aligned with the mounting hole 56 of the razor body 51, the mounting screws 57 are respectively screwed into the screw holes 63 of the mounting boss 62, whereby the motor mounting base 61 is mounted and fixed to the razor body 51. Then, a bottom lid (not shown) is attached to the lower portion of the razor body 51, and the motor 60 is sandwiched between the razor body 51 and the bottom lid and stored. The clutch member 40 is biased upward by the clutch spring 45, and the brake portion 41 of the clutch member 40 contacts the lower surface of the upper wall portion 54 of the razor body 51. The clutch member 40 is attached to the razor body 51 so as to be vertically movable.
【0028】35は合成樹脂などからなる継手で、長手
方向に内刃体25の接続用嵌合穴32に嵌合する接続用
嵌合軸36が形成され、下端には円盤状の基部38が形
成されている。この基部38はクラッチ部材40の内周
面内に挿入されるとともに、基部38の上面には、内刃
体25の回り止め受部39に係合する突起状の回り止め
部37,37が形成されている。さらに、継手35の長
手方向には、モ−タ60の回転軸64が嵌合挿入される
とともに、Dカット64aに対応する嵌合孔34が形成
されている。Reference numeral 35 is a joint made of synthetic resin or the like, in which a connecting fitting shaft 36 which fits in the connecting fitting hole 32 of the inner blade 25 is formed in the longitudinal direction, and a disk-shaped base portion 38 is formed at the lower end. Has been formed. The base portion 38 is inserted into the inner peripheral surface of the clutch member 40, and on the upper surface of the base portion 38, protrusion-shaped rotation stopping portions 37, 37 that engage with the rotation preventing receiving portion 39 of the inner blade body 25 are formed. Has been done. Further, in the longitudinal direction of the joint 35, the rotary shaft 64 of the motor 60 is fitted and inserted, and a fitting hole 34 corresponding to the D cut 64a is formed.
【0029】28は合成樹脂などの成形品からなる円盤
状の内刃台で、内刃台28の下面中央部には、円筒状の
嵌合筒31が一体に突設されている。さらに、内刃台2
8の外周方向に向けて複数個の内刃取付溝27がそれぞ
れ形成され、これら内刃取付溝27には、それぞれ内刃
26が取付けられるとともに、内刃26を上方に押し上
げる押上げばね29が内刃台28にそれぞれ取付けられ
ている。Reference numeral 28 denotes a disk-shaped inner blade base made of a molded product such as a synthetic resin, and a cylindrical fitting cylinder 31 is integrally projectingly provided at the center of the lower surface of the inner blade base 28. Furthermore, the inner blade base 2
A plurality of inner blade mounting grooves 27 are respectively formed in the outer peripheral direction of 8, and the inner blades 26 are mounted in the inner blade mounting grooves 27, and a push-up spring 29 that pushes the inner blade 26 upward is provided. Each is attached to the inner blade base 28.
【0030】嵌合筒31は継手35に着脱自在に嵌合さ
れるので、嵌合筒31の長手方向中央には、継手35の
接続用嵌合軸36が嵌合される接続用嵌合穴32が形成
されるとともに、下端には、継手35の回り止め部3
7,37がそれぞれ係合する回止め受部39,39が形
成されている。Since the fitting cylinder 31 is detachably fitted in the joint 35, the fitting fitting hole for fitting the fitting fitting shaft 36 of the fitting 35 is fitted in the longitudinal center of the fitting fitting 31. 32 is formed, and at the lower end, the rotation stopping portion 3 of the joint 35 is formed.
Detent stop receiving portions 39, 39 with which 7 and 37 are respectively engaged are formed.
【0031】内刃体25は、モ−タ60の回転軸64に
固定される継手35の回り止め部37,37と内刃体2
5の嵌合筒31に設けた回り止め受部39,39とが係
合してモ−タ60の駆動力を受ける。The inner blade body 25 includes the detent portions 37, 37 of the joint 35 fixed to the rotary shaft 64 of the motor 60 and the inner blade body 2.
5, the detent receiving portions 39, 39 provided on the fitting cylinder 31 of No. 5 engage and receive the driving force of the motor 60.
【0032】20は外刃21の周縁部を筒状の外刃枠2
2の上部に固着した外刃体である。上記に記載したクラ
ッチ用スプリング45の発生荷重は、内刃体25を上方
に持ち上げるのに必要な荷重以上および複数の内刃押上
げばね29が外刃体20をかみそり本体51に取付けた
ときに発生する合成荷重値以下の値である。Reference numeral 20 denotes a cylindrical outer blade frame 2 having a peripheral edge portion of the outer blade 21.
It is an outer blade fixed to the upper part of 2. The generated load of the clutch spring 45 described above is equal to or more than the load required to lift the inner blade body 25 upward and when the plurality of inner blade pushing springs 29 attach the outer blade body 20 to the razor body 51. It is a value equal to or less than the generated combined load value.
【0033】内刃体を上方に付勢する他の構成につい
て、図5を参照して説明する。なお、図5は外刃体をか
みそり本体から取外した状態を示す断面図である。Another structure for urging the inner blade body upward will be described with reference to FIG. Note that FIG. 5 is a cross-sectional view showing a state in which the outer blade body is removed from the razor body.
【0034】70は内刃体25に係る接続用嵌合穴32
の上壁に当接するとともに、継手35の上端に当接させ
て介在する内刃体用スプリングで、外刃体20をかみそ
り本体51から取外した状態では、内刃体用スプリング
70は自由長になっている。また、外刃体20をかみそ
り本体51に取付けた状態では、内刃体用スプリング7
0は内刃体25を上方に付勢した状態になっている。Reference numeral 70 denotes a fitting hole 32 for connection relating to the inner blade 25.
When the outer blade body 20 is detached from the razor body 51 with the inner blade body spring that is in contact with the upper wall of the joint 35 and is in contact with the upper end of the joint 35, the inner blade body spring 70 has a free length. Has become. Further, when the outer blade body 20 is attached to the razor body 51, the inner blade body spring 7
0 indicates a state in which the inner blade body 25 is biased upward.
【0035】なお、継手35と内刃体25とを係合する
係合手段に係る他の実施の形態を説明する。図4(A)
は第2の実施の形態、図4(B)は第3の実施の形態を
示す。第2の実施の形態は、継手35の基部38上面に
凹状の係合凹部80を複数個設け、これら係合凹部80
と係合する凸状の係合凸部81を、内刃体25の嵌合筒
31の下面に複数個形成したものである。第3の実施の
形態は、継手35の基部38の上面に略三角形状に突出
した係合凸部90を複数個形成し、これら係合凸部90
に係合する略三角形をした係合凸部95を内刃体25の
嵌合筒31の下面に複数個形成したものである。また、
図示しないが、一方に磁石を他方に磁石に吸引される鉄
板を設けて係合させる係合手段であってもよい。Another embodiment of the engaging means for engaging the joint 35 and the inner blade body 25 will be described. FIG. 4 (A)
Shows the second embodiment, and FIG. 4B shows the third embodiment. In the second embodiment, a plurality of concave engaging concave portions 80 are provided on the upper surface of the base portion 38 of the joint 35, and the engaging concave portions 80 are provided.
A plurality of convex engaging projections 81 that engage with are formed on the lower surface of the fitting cylinder 31 of the inner blade body 25. In the third embodiment, a plurality of engagement protrusions 90 protruding in a substantially triangular shape are formed on the upper surface of the base 38 of the joint 35, and the engagement protrusions 90 are formed.
A plurality of engaging protrusions 95 each having a substantially triangular shape and engaging with each other are formed on the lower surface of the fitting cylinder 31 of the inner blade body 25. Also,
Although not shown, an engaging means may be provided which engages by providing a magnet on one side and an iron plate attracted by the magnet on the other side.
【0036】次に上記実施の形態の動作を説明する。Next, the operation of the above embodiment will be described.
【0037】図1はかみそり本体から外刃体を取外した
状態を示す断面図である。FIG. 1 is a sectional view showing a state in which the outer blade body is removed from the razor body.
【0038】モ−タ60、クラッチ部材40をかみそり
本体51に取付けた状態では、クラッチ部材40は、ク
ラッチ用スプリング45により上方に付勢されてかみそ
り本体51内に取付けられ、クラッチ部材40の外周面
に形成されたブレ−キ部41は、かみそり本体51の上
壁部54の裏面側に当接し上方に付勢されている。In the state where the motor 60 and the clutch member 40 are attached to the razor body 51, the clutch member 40 is urged upward by the clutch spring 45 to be attached inside the razor body 51, and the outer periphery of the clutch member 40. The break portion 41 formed on the surface abuts on the back surface side of the upper wall portion 54 of the razor body 51 and is biased upward.
【0039】つぎに、モ−タ60の回転軸64に継手3
5を取付けると、継手35の基部38はブレ−キ部41
の底部42上面に当接して載置されるとともに、継手3
5の先端はクラッチ部材40の開口先端から突出して取
付けられている。Next, the joint 3 is attached to the rotary shaft 64 of the motor 60.
5 is attached, the base portion 38 of the joint 35 becomes a brake portion 41.
Is placed in contact with the upper surface of the bottom portion 42 of the
The tip of 5 is attached so as to project from the tip of the opening of the clutch member 40.
【0040】さらに、内刃体25の接続用嵌合穴32を
継手35の接続用嵌合軸36に挿入嵌合させて、内刃体
25を継手35に取付けると、継手35の上部開口端と
内刃体25の嵌合筒31の下端とが突当って取付けられ
る。Further, when the connecting fitting hole 32 of the inner blade body 25 is inserted and fitted into the connecting fitting shaft 36 of the joint 35 and the inner blade body 25 is attached to the joint 35, the upper open end of the joint 35 is formed. The lower end of the fitting cylinder 31 of the inner blade body 25 abuts and is attached.
【0041】この状態では、継手35の回り止め部3
7,37の上端と内刃体25の回り止め受部39,39
の下端とは離間して取付けられている。このため、継手
35が回転している場合でも、内刃体25は回転しな
い。そのため、顔などを傷付けることもない。なお、継
手35と内刃体25との間の摩擦力で、万一、内刃体2
5が回転した場合でも、弱い力で内刃体25を止めるこ
とができるので、顔などを傷付ける恐れは殆どない。In this state, the detent portion 3 of the joint 35 is
Anti-rotation receiving parts 39, 39 of the upper ends of the 7, 37 and the inner blade 25
It is attached separately from the lower end of the. Therefore, even when the joint 35 rotates, the inner blade body 25 does not rotate. Therefore, it does not damage the face. In addition, due to the frictional force between the joint 35 and the inner blade 25, the inner blade 2 should not be damaged.
Even when 5 rotates, the inner blade body 25 can be stopped with a weak force, so there is almost no risk of scratching the face or the like.
【0042】かみそり本体51に外刃体20を螺着して
取付けると、図2に示すように、内刃体25は外刃体2
0の外刃21により下方に押され、下方に移動するとと
もに、クラッチ部材40もクラッチ用スプリング45の
上方への付勢力に抗して下方に移動する。内刃体25が
下方に移動すると、内刃体25の回り止め受部39,3
9と継手35の回り止め部37,37とがそれぞれ係合
状態になる。When the outer blade body 20 is screwed and attached to the razor body 51, the inner blade body 25 becomes the outer blade body 2 as shown in FIG.
It is pushed downward by the outer blade 21 of 0 and moves downward, and the clutch member 40 also moves downward against the upward biasing force of the clutch spring 45. When the inner blade body 25 moves downward, the rotation stopper receiving portions 39, 3 of the inner blade body 25
9 and the detent portions 37, 37 of the joint 35 are in the engaged state.
【0043】したがって、モ−タ60が回転すると、継
手35を介して内刃体25にモ−タ60の駆動力が伝達
し、内刃体25が回転する。Therefore, when the motor 60 rotates, the driving force of the motor 60 is transmitted to the inner blade 25 through the joint 35, and the inner blade 25 rotates.
【0044】請求項3に記載したように、クラッチ部材
40にブレ−キ部41を一体的に設けている場合には、
図1に示すように、外刃体21をかみそり本体51から
取外した場合には、クラッチ用スプリング45の上方へ
の付勢力により、ブレ−キ部41がかみそり本体51の
上壁部54の裏面に押圧される。As described in claim 3, when the brake member 41 is integrally provided with the clutch member 40,
As shown in FIG. 1, when the outer blade body 21 is removed from the razor body 51, the brake portion 41 is urged upward to cause the break portion 41 to move to the rear surface of the upper wall portion 54 of the razor body 51. Is pressed by.
【0045】このため、継手35が回転し、継手35の
下端とクラッチ部材40との間の摩擦力により、クラッ
チ部材40が回転する場合でも、ブレ−キ部41とかみ
そり本体51の摩擦力によりクラッチ部材40は回転し
ない。従って、継手35が回転しても、クラッチ部材4
0は共回りせず、内刃体25も共回りを起こさない。Therefore, the joint 35 rotates, and the frictional force between the lower end of the joint 35 and the clutch member 40 causes the frictional force between the brake portion 41 and the razor body 51 even when the clutch member 40 rotates. The clutch member 40 does not rotate. Therefore, even if the joint 35 rotates, the clutch member 4
0 does not co-rotate, and the inner blade 25 does not co-rotate.
【0046】請求項4に記載したように、内刃体用スプ
リング70を内刃体25と継手35との間に介在させて
取付けた場合で、図5に示すように、外刃体をかみそり
本体から取外した状態では、内刃体用スプリング70が
自由長になった状態で取付けられているため、内刃体2
5には上方への力は作用しない。As described in claim 4, when the inner blade spring 70 is mounted so as to be interposed between the inner blade 25 and the joint 35, as shown in FIG. 5, the outer blade is razored. When the inner blade body 70 is detached from the main body, the inner blade body spring 70 is attached in a state where the inner blade body 70 has a free length.
No upward force acts on 5.
【0047】さらに、継手35の回り止め部37,37
の上端と内刃体25の回り止め受部39,39の下端と
は離間して状態になっている。このため、継手35が回
転している場合でも、内刃体25は回転しないので、顔
などを傷付けることはない。Further, the rotation preventing portions 37, 37 of the joint 35
And the lower ends of the rotation stopper receiving portions 39, 39 of the inner blade body 25 are separated from each other. For this reason, even when the joint 35 is rotating, the inner blade 25 does not rotate, so that the face or the like is not damaged.
【0048】つぎに、図6に示すように、外刃体をかみ
そり本体に取付けた状態では、内刃体25は内刃体用ス
プリング70に抗して下方に移動し、内刃体25の回り
止め受部39,39と継手35の回り止め部37,37
とが係合状態になる。Next, as shown in FIG. 6, when the outer cutter is attached to the razor body, the inner cutter 25 moves downward against the inner cutter spring 70, and the inner cutter 25 moves. Anti-rotation receiving portions 39, 39 and anti-rotation portions 37, 37 of the joint 35
And are in the engaged state.
【0049】したがって、モ−タ60が回転すると、継
手35を介して内刃体25にモ−タ60の駆動力が伝達
し、内刃体25は正常に回転する。Therefore, when the motor 60 rotates, the driving force of the motor 60 is transmitted to the inner blade 25 through the joint 35, and the inner blade 25 rotates normally.
【0050】[0050]
【発明の効果】以上詳記したように本発明によれば、外
刃体がかみそり本体から取外されている状態では、内刃
体が上方に移動し、継手と内刃体との係合状態がされな
い位置にあるため、継手から有効な回転力を受けられ
ず、掃除後の組立て作業中に内刃だけが回転してしま
い、手などに接触して怪我をする危険性を回避できるも
のである。As described above in detail, according to the present invention, when the outer blade body is removed from the razor body, the inner blade body moves upward and the joint and the inner blade body engage with each other. Since it is in a position where it is not in a condition, it can not receive the effective rotational force from the joint, and only the inner blade will rotate during the assembly work after cleaning, and the risk of injury due to contact with hands etc. can be avoided. Is.
【0051】また、かみそり使用中、外刃体がかみそり
本体から外れることがあっても、内刃体が継手から有効
な回転力を受けられず、顔などに傷を付けるという危険
性もない。一方、外刃が本体に正しく取付けられると継
手と内刃体とが連結し、内刃体は正常に回転する。Further, even if the outer blade body comes off from the razor body during use of the razor, the inner blade body does not receive an effective rotational force from the joint, and there is no risk of scratching the face or the like. On the other hand, when the outer blade is properly attached to the main body, the joint and the inner blade body are connected, and the inner blade body rotates normally.
【図1】本発明の一実施の形態に係る回転式かみそりの
外刃体をかみそり本体から取外した状態を示す断面図。FIG. 1 is a cross-sectional view showing a state where an outer blade body of a rotary razor according to an embodiment of the present invention is removed from a razor body.
【図2】同実施の形態における回転式かみそりを示す断
面図。FIG. 2 is a cross-sectional view showing a rotary razor according to the same embodiment.
【図3】同実施の形態における回転式かみそりの構成を
示すもので、(A)は分解斜視図。(B)はモ−タの回
転軸に形成したDカットを示す斜視図。FIG. 3 shows a structure of a rotary razor in the same embodiment, and (A) is an exploded perspective view. FIG. 6B is a perspective view showing a D-cut formed on the rotation shaft of the motor.
【図4】同実施の形態における継手と内刃体との係合手
段を示す他の実施形態で(A)は第2の実施形態を示す
斜視図。(B)は第3の実施形態を示す斜視図。FIG. 4 (A) is a perspective view showing a second embodiment of another embodiment showing the engagement means between the joint and the inner blade body in the same embodiment. FIG. 9B is a perspective view showing the third embodiment.
【図5】同実施の形態における継手を付勢する他の付勢
部材を示すもので、外刃体をかみそり本体から取外した
状態を示す断面図。FIG. 5 is a cross-sectional view showing another urging member for urging the joint in the same embodiment, showing a state where the outer blade body is removed from the razor body.
【図6】同実施の形態における継手を付勢する他の付勢
部材を示すもので、外刃体をかみそり本体に取外けた状
態を示す断面図。FIG. 6 is a cross-sectional view showing another urging member for urging the joint in the same embodiment, showing a state where the outer blade body is detached from the razor body.
【図7】従来技術に係る外刃体,内刃体およびリングを
示すもので、(A)は外刃体を示す一部断面図を含む側
面図。(B)は内刃体を示す上面図。(C)はリングを
示す上面図。FIG. 7 is a side view including an outer blade body, an inner blade body, and a ring according to a conventional technique, including (A) a partial cross-sectional view showing the outer blade body. (B) is a top view showing the inner blade. (C) is a top view showing a ring.
20…外刃体, 21…外刃, 25…内刃体, 26…内刃, 32…接続用軸孔, 35…継手, 37…回り止め部(回り止め手段), 39…回り止め受部(回り止め手段), 40…クラッチ部材, 41…ブレ−キ部, 45…クラッチ用スプリング(クラッチ用付勢部材), 51…かみそり本体, 53…外刃取付体, 60…モ−タ, 64…回転軸, 70…内刃体用スプリング(内刃体用付勢部材)。 20 ... Outer blade body, 21 ... Outer blade, 25 ... Inner blade body, 26 ... Inner blade, 32 ... Connection shaft hole, 35 ... Joint, 37 ... Rotation stop portion (rotation stop means), 39 ... Rotation stop receiving portion (Rotation preventing means), 40 ... Clutch member, 41 ... Brake part, 45 ... Clutch spring (clutch biasing member), 51 ... Razor body, 53 ... Outer blade mounting body, 60 ... Motor, 64 ... rotating shaft, 70 ... spring for inner blade (biasing member for inner blade).
Claims (4)
と、 モ−タを収納するかみそり本体と、 このかみそり本体から突出して設けられた前記モ−タの
回転軸と、 前記回転軸に連結するとともに前記内刃体の裏面側に設
けられた接続用軸孔に嵌合される継手と、 この継手と前記内刃体とが互いに回転方向に係合する回
り止め手段をそれぞれ前記継手と前記接続用軸孔に形成
し、 前記外刃体を前記かみそり本体の外刃取付体に取付けた
ときのみ、前記内刃体および前記継手の回り止め手段が
互いに回転方向に係合することを特徴とする回転式電気
かみそり。1. An outer blade body having an outer blade, an inner blade body having an inner blade rotating in contact with an inner surface of the outer blade, a razor body for accommodating a motor, and a razor body protruding from the razor body. A rotating shaft of the motor, a joint that is connected to the rotating shaft and that is fitted into a connecting shaft hole provided on the back surface side of the inner blade, and the joint and the inner blade. The inner blade body and the joint are respectively formed only when the outer blade body is attached to the outer blade mounting body of the razor body by forming rotation preventing means which engage with each other in the rotational direction in the joint and the connecting shaft hole, respectively. A rotary electric shaver, characterized in that the detent means of the two are engaged with each other in a rotational direction.
れ、クラッチ用付勢部材により上方に付勢されたクラッ
チ部材の上端を前記内刃体に当接させて設け、 前記外刃体を前記かみそり本体から取外したとき、前記
内刃体および前記継手の回り止め手段が互いに回転方向
に係合しなくなるように前記内刃体を上方に移動させる
ことを特徴とする請求項1記載の回転式電気かみそり。2. An outer blade body, which is disposed at an outer peripheral position of the joint so as to be vertically movable, and is provided so that an upper end of a clutch member biased upward by a clutch biasing member is brought into contact with the inner blade body. The inner blade body is moved upward so that the inner blade body and the detent means of the joint do not engage with each other in the rotational direction when the is removed from the razor body. Rotary electric razor.
たとき、前記かみそり本体に接触するブレ−キ部材を前
記クラッチ部材に設けたことを特徴とする請求項1また
は請求項2記載の回転式電気かみそり。3. The rotating member according to claim 1, wherein the clutch member is provided with a brake member that comes into contact with the razor body when the outer blade body is removed from the razor body. Type electric razor.
の上端内面との間に、前記内刃体を上方に付勢する内刃
体用付勢部材を設けたことを特徴とする請求項1記載の
回転式電気かみそり。4. An inner blade urging member for urging the inner blade upward is provided between an upper end of the joint and an inner surface of an upper end of a joining shaft hole of the inner blade. The rotary electric razor according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28171995A JPH09122362A (en) | 1995-10-30 | 1995-10-30 | Rotary electric shaver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28171995A JPH09122362A (en) | 1995-10-30 | 1995-10-30 | Rotary electric shaver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09122362A true JPH09122362A (en) | 1997-05-13 |
Family
ID=17643037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28171995A Pending JPH09122362A (en) | 1995-10-30 | 1995-10-30 | Rotary electric shaver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09122362A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010531177A (en) * | 2007-06-28 | 2010-09-24 | ブラウン、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング | toothbrush |
JP2021504072A (en) * | 2017-11-21 | 2021-02-15 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Hair cutting unit with a binding structure |
-
1995
- 1995-10-30 JP JP28171995A patent/JPH09122362A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010531177A (en) * | 2007-06-28 | 2010-09-24 | ブラウン、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング | toothbrush |
JP2021504072A (en) * | 2017-11-21 | 2021-02-15 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Hair cutting unit with a binding structure |
US11850763B2 (en) | 2017-11-21 | 2023-12-26 | Koninklijke Philips N. V. | Hair cutting unit having a coupling structure |
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