JPH0277288A - Reciprocating system electric razor - Google Patents
Reciprocating system electric razorInfo
- Publication number
- JPH0277288A JPH0277288A JP23063888A JP23063888A JPH0277288A JP H0277288 A JPH0277288 A JP H0277288A JP 23063888 A JP23063888 A JP 23063888A JP 23063888 A JP23063888 A JP 23063888A JP H0277288 A JPH0277288 A JP H0277288A
- Authority
- JP
- Japan
- Prior art keywords
- connecting part
- notch
- cylindrical
- cylindrical connecting
- inner cutter
- 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
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Dry Shavers And Clippers (AREA)
Abstract
Description
本発明は往復式電気かみそり、殊に内刃と駆動子との連
結構造に関するものである。The present invention relates to a reciprocating electric shaver, and particularly to a connection structure between an inner cutter and a driver.
往復式電気かみそりにおいて、内刃駆動用の駆動子と内
刃との連結は、内刃の掃除の便を図るために、着脱自在
な構造がとられる。−例を第４図及び第５図に示す６図
中５０はモータの回転運動を往復運動に変換する駆動子
から一体に突設された筒状連結部であり、その先端部に
は筒状連結部イ０の先端面に切り欠き５１を介して連通
する嵌合孔５２が形成されている。
一方、複数枚の内刃ブレード４ｏを基台４１の一面に植
設したものとして形成されている内刃４は、基台４１の
他面中央部から連結部４２が突設されている。この連結
部４２は、その両側面から夫々連結ピン４３が一体に突
設されたものとなっており、内刃４と上記筒状連結部５
ｏとの連結は、連結部４２を筒状連結部５ｏ内に嵌め込
むことによって行われるものであり、この時連結ピン４
３を切り欠き５１を通じて嵌合孔５２内に位置させる。
第５図中の５５は筒状連結部５ｏ内に配されて内刃４を
外刃側に向けて付勢する押し上げばねである。切り欠き
５１の幅は連結ピン４３の直径よりも小さくなっている
ために、内刃４は不用意に外れることがない。In a reciprocating electric shaver, a drive element for driving the inner cutter and the inner cutter are connected to each other in a removable structure to facilitate cleaning of the inner cutter. - Examples are shown in Figs. 4 and 5. Reference numeral 50 in Fig. 6 is a cylindrical connecting part that protrudes integrally from the driver that converts the rotary motion of the motor into reciprocating motion, and the tip thereof has a cylindrical shape. A fitting hole 52 is formed in the distal end surface of the connecting portion i0 and communicates with it via a notch 51. On the other hand, the inner cutter 4, which is formed by planting a plurality of inner cutter blades 4o on one surface of the base 41, has a connecting portion 42 protruding from the center of the other surface of the base 41. This connecting portion 42 has connecting pins 43 integrally protruding from both sides thereof, and connects the inner cutter 4 and the cylindrical connecting portion 5.
The connection with the connecting pin 4 is performed by fitting the connecting part 42 into the cylindrical connecting part 5o.
3 is positioned in the fitting hole 52 through the notch 51. Reference numeral 55 in FIG. 5 is a push-up spring disposed within the cylindrical connecting portion 5o to urge the inner cutter 4 toward the outer cutter side. Since the width of the notch 51 is smaller than the diameter of the connecting pin 43, the inner cutter 4 will not come off inadvertently.
上記連結ピン４３は、内刃４を筒状連結部５０から外し
たり取り付けたりする時に摩耗しやすい。
殊に防水型とされていて、筒状連結部５０に内刃４を連
結した状態で且つ内刃４を露出させた状態で水中で内刃
４を駆動することにより水洗掃除を行えるようにしたも
のでは、連結ピン４３と切り欠き５１との部分における
摩耗力（、激しい。
この時、従来の連結ピン４はその断面形状が円形となっ
ていたことから、上記摩耗の影響をうけやすく、内刃４
が筒状連結部５０から外れ易くなったり、がたつきによ
る騒音が大きくなったりしやすい。
本発明はこのような点に鑑み為されたものであり、その
目的とするところは内刃と駆動子の筒状連結部との着脱
自在な連結を、不用意に外れることがない確実なものと
しておくことができる往復式電気かみそりを提供するル
こある、The connecting pin 43 is easily worn out when the inner cutter 4 is removed from or attached to the cylindrical connecting portion 50. It is especially waterproof, and cleaning can be performed by driving the inner cutter 4 underwater with the inner cutter 4 connected to the cylindrical connecting part 50 and exposed. In this case, since the conventional connecting pin 4 has a circular cross-sectional shape, it is easily affected by the above-mentioned wear, and the internal wear is severe. Blade 4
may easily come off from the cylindrical connecting portion 50, or the noise due to rattling may increase. The present invention has been made in view of these points, and its purpose is to ensure that the inner cutter and the cylindrical connection part of the drive element are removably connected to each other so that they will not come off inadvertently. There are some companies that offer reciprocating electric razors that can be used as
【課題を解決するための手段］
しかして本発明は、内刃の往復駆動用の駆動子に筒状連
結部を設けて、押し上げばねが内部に配置された筒状連
結部の先端部内に内刃側の連結部を着脱自在に連結した
往復式電気かみそりにおいて、筒状連結部の先端面に切
り欠きを介して連通ずる嵌合孔を形成し、内刃側の連結
部に切り欠きを通じて嵌合孔内に嵌め込まれる係合ピン
を形成するとともに、この係合ピンの断面形状を駆動子
と内刃との着脱方向に長いものとしていることに特徴を
有している。
［ｆヤ用］
本発明によれば、筒状連結部の切り火きと連結ピンとの
接触部で少々摩耗が生じようとも、連結ピンの断面形状
が着脱方向に長いものとなっているために、切り欠さと
連結ピンとの係合は、所要の初期の係合力を維持するも
のである。
［実施例コ
以下本発明を図示の実施例に基づいて詳述すると、この
往復式電気かみそりは、第３図に示すように、外刃フレ
ーム２に保持された外刃１と、内刃４と、本体５とから
構成されている。そして本体５内に配されてモータの回
転運動を往復運動に変換する駆動子から突設された筒状
連結部５０が本体５の一面に突出しており、内刃４はこ
の筒状連結部５０に連結されることによって、外刃１の
内面に接した状態で往復駆動される。
ここにおける筒状連結部５０め先端部には前記従来例と
同様に、筒状連結部５０の先端面に切り欠き５１を介し
て連通ずる嵌合孔５２が形成されている。
一方、内刃４も前記従来例と同様に、複数枚の内刃ブレ
ード４０を基台４１の一面に植設したものとして形成さ
れており、基台４１の他面中央部から連結部４２が突設
されている。＊中に球状部４６を有するとともに補強リ
ブ４７で補強されているこの連結部４２は、その両側面
から夫々連結ピン４３が一体に突設されているのである
が、ここにおける連結ピン４３はその”断面形状が連結
部４２の突出方向に長くなっている。
しかして、内刃４と駆動子の筒状連結部５ｏとの連結は
、押し上げばね５５を筒状連結部５ｏ内に収納した状態
で、内刃４の連結部４２を筒状連結部５０内に差し込む
ことによって行われるものであり、この時、連結ピン４
３は切り欠き５１を通じて嵌合孔５２内に位置する。切
り欠き５１の幅は連結ピン４３の幅よりも小さくなって
いるために、上記操作は筒状連結部５ｏの先端部を撓ま
せつつ行われるものであり、また、−旦嵌合孔５２内に
入った連結ピン４３は、切り火き５１との係合で不用意
に外れることがないものである。
しかも、ここにおける連結ピン４３は、その断面形状が
連結部４２の突出方向、つまりは筒状連結部５ｏに対す
る内刃４の着脱方向に長くなっていることから、切り欠
き５１と連結ピン４３との接触面で摩耗が生じようと、
連結ピン４３の最大幅まで変化してしまうことはなく、
このために、内刃４が不用意に外れてしまうということ
がないものである。
尚、連結部４２の先端に取り付けたリング状の弾性体４
５は、その外径が筒状連結部５０の内径と同じか、やや
大きいものとされており、筒状連結部５０内に配された
時に、内刃４の傾きを防ぐ。
ただし、弾性体４５の弾性の範囲内で内刃４が傾くこと
を許すために、駆動子による駆動が完全な平行運動でな
い時に外刃１と内刃４との間に生ずる隙間の発生を防止
することができる。
【発明の効果】
以上のように本発明においては、連結ピンに少々串耗が
生じても、連結ピンの断面形状が内刃の着脱方向に長く
なっているために、切り欠きと連結ピンとの間の係合力
は殆ど変化しないものであり、不用意な内刃の脱落を防
ぐことができるものである。[Means for Solving the Problems] Accordingly, the present invention provides a cylindrical connecting portion in a driver for reciprocating the inner cutter, and a push-up spring is disposed inside the tip of the cylindrical connecting portion. In a reciprocating electric shaver in which the connecting part on the blade side is removably connected, a fitting hole that communicates through a notch is formed on the tip surface of the cylindrical connecting part, and the fitting hole is fitted through the notch to the connecting part on the inner blade side. It is characterized in that an engaging pin is formed to be fitted into the matching hole, and the cross-sectional shape of this engaging pin is elongated in the direction of attachment and detachment between the driver and the inner cutter. [For f-ya] According to the present invention, even if a little wear occurs at the contact area between the slit of the cylindrical connecting part and the connecting pin, the cross-sectional shape of the connecting pin is long in the attachment/detachment direction. , the engagement between the notch and the connecting pin maintains the required initial engagement force. [Example 7] The present invention will be described below in detail based on the illustrated embodiment. As shown in FIG. and a main body 5. A cylindrical connecting portion 50 protrudes from a driver disposed within the main body 5 and converts the rotational motion of the motor into reciprocating motion, and protrudes from one surface of the main body 5. By being connected to the outer cutter 1, the outer cutter 1 is reciprocated while being in contact with the inner surface of the outer cutter 1. A fitting hole 52 is formed in the distal end of the cylindrical coupling part 50 here, which communicates with the distal end surface of the cylindrical coupling part 50 via a notch 51, as in the conventional example. On the other hand, the inner cutter 4 is also formed by planting a plurality of inner cutter blades 40 on one surface of the base 41, and a connecting portion 42 is formed from the center of the other surface of the base 41, as in the conventional example. It is installed protrudingly. *This connecting part 42, which has a spherical part 46 inside and is reinforced with reinforcing ribs 47, has connecting pins 43 integrally protruding from both sides thereof. ``The cross-sectional shape is elongated in the protruding direction of the connecting part 42. Therefore, the connection between the inner cutter 4 and the cylindrical connecting part 5o of the drive element is performed when the push-up spring 55 is housed in the cylindrical connecting part 5o. This is done by inserting the connecting part 42 of the inner cutter 4 into the cylindrical connecting part 50, and at this time, the connecting pin 4
3 is located in the fitting hole 52 through the notch 51. Since the width of the notch 51 is smaller than the width of the connecting pin 43, the above operation is performed while bending the tip of the cylindrical connecting portion 5o. The connecting pin 43 inserted therein will not come off inadvertently due to engagement with the spark 51. Moreover, since the cross-sectional shape of the connecting pin 43 here is elongated in the protruding direction of the connecting portion 42, that is, in the attachment/detachment direction of the inner cutter 4 with respect to the cylindrical connecting portion 5o, the notch 51 and the connecting pin 43 are Regardless of the wear that occurs on the contact surfaces of
The maximum width of the connecting pin 43 will not change.
This prevents the inner cutter 4 from accidentally coming off. Note that the ring-shaped elastic body 4 attached to the tip of the connecting part 42
5 has an outer diameter that is the same as or slightly larger than the inner diameter of the cylindrical connecting part 50, and prevents the inner cutter 4 from tilting when placed inside the cylindrical connecting part 50. However, in order to allow the inner cutter 4 to tilt within the range of elasticity of the elastic body 45, the generation of a gap between the outer cutter 1 and the inner cutter 4 when the drive by the driver is not a perfect parallel movement is prevented. can do. Effects of the Invention As described above, in the present invention, even if the connecting pin is slightly worn, the cross-sectional shape of the connecting pin is elongated in the direction of attachment and detachment of the inner cutter, so that the notch and the connecting pin can be easily connected. The engagement force between them hardly changes, and it is possible to prevent the inner cutter from accidentally falling off.
第１図は本発明一実施例の断面図、第２図は同上の内刃
の底面図、第３図は同上の分解斜視図、第４図は従来例
の正面図、第５図は同上の断面図であって、４は内刃、
４２は連結部、４３は連結ピン、５０は筒状連結部、５
１は切り欠き、５２は嵌合部を示す。
代理人 弁理士 石 １）長 七
第３２
第４図Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a bottom view of the inner cutter of the above, Fig. 3 is an exploded perspective view of the same, Fig. 4 is a front view of the conventional example, and Fig. 5 is the same as the above. is a sectional view of , 4 is an inner cutter,
42 is a connecting portion, 43 is a connecting pin, 50 is a cylindrical connecting portion, 5
1 indicates a notch, and 52 indicates a fitting portion. Agent Patent Attorney Ishi 1) Chief 7th 32nd Figure 4
Claims (1)
、押し上げばねが内部に配置された筒状連結部の先端部
内に内刃側の連結部を着脱自在に連結した往復式電気か
みそりにおいて、筒状連結部の先端面に切り欠きを介し
て連通する嵌合孔を形成し、内刃側の連結部に切り欠き
を通じて嵌合孔内に嵌め込まれる係合ピンを形成すると
ともに、この係合ピンの断面形状を駆動子と内刃との着
脱方向に長いものとしていることを特徴とする往復式電
気かみそり。(1) A cylindrical connecting part is provided in the driver for reciprocating the inner blade, and the connecting part on the inner blade side is removably connected to the tip of the cylindrical connecting part in which a push-up spring is arranged. In the type electric shaver, a fitting hole is formed in the distal end surface of the cylindrical connecting part to communicate through a notch, and an engaging pin is formed in the connecting part on the inner blade side to be fitted into the fitting hole through the notch. Also, a reciprocating electric shaver characterized in that the cross-sectional shape of the engaging pin is elongated in the direction of attachment and detachment between the driver and the inner cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23063888A JPH0277288A (en) | 1988-09-14 | 1988-09-14 | Reciprocating system electric razor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23063888A JPH0277288A (en) | 1988-09-14 | 1988-09-14 | Reciprocating system electric razor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277288A true JPH0277288A (en) | 1990-03-16 |
Family
ID=16910925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23063888A Pending JPH0277288A (en) | 1988-09-14 | 1988-09-14 | Reciprocating system electric razor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277288A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039633C (en) * | 1992-11-25 | 1998-09-02 | 松下电工株式会社 | Reciprocatory dry shaver |
| CN1039634C (en) * | 1992-11-13 | 1998-09-02 | 松下电工株式会社 | Reciprocatory dry shaver |
-
1988
- 1988-09-14 JP JP23063888A patent/JPH0277288A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039634C (en) * | 1992-11-13 | 1998-09-02 | 松下电工株式会社 | Reciprocatory dry shaver |
| CN1039633C (en) * | 1992-11-25 | 1998-09-02 | 松下电工株式会社 | Reciprocatory dry shaver |
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