JP2005243317A - Timer tap - Google Patents

Timer tap Download PDF

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Publication number
JP2005243317A
JP2005243317A JP2004048640A JP2004048640A JP2005243317A JP 2005243317 A JP2005243317 A JP 2005243317A JP 2004048640 A JP2004048640 A JP 2004048640A JP 2004048640 A JP2004048640 A JP 2004048640A JP 2005243317 A JP2005243317 A JP 2005243317A
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Japan
Prior art keywords
timer
blade insertion
plug
insertion port
blade
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JP2004048640A
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Japanese (ja)
Inventor
Atsushi Kawai
淳 河合
Yoshiyuki Nakajima
義之 中島
Katsumi Kikuchi
克巳 菊地
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Priority to JP2004048640A priority Critical patent/JP2005243317A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a timer tap capable of preventing wrong connection of a plug for power. <P>SOLUTION: Three blade insertion ports 11a-11c are formed on the undersurface of a housing 1 by laterally arranging them side by side. An on-timer operation or an off-timer operation is alternatively selected depending on whether the blades of a plug for power of an electric apparatus are inserted into two left-side blade insertion ports 11a and 11b or into two right-side blade insertion ports 11b and 11c. A blade insertion port cover 61 slidable with respect to the housing 1 between a position covering only the blade insertion opening 11a at the left end and a position covering only the blade insertion port 11c at the right end out of the the blade insertion ports 11a-11c is mounted. When one unused side out of the insertion port 11a dedicated to the on-timer operation and the insertion opening 11c dedicated to the off-timer operation is previously covered with the opening cover 61, the plug for power is prevented from being inserted into the wrong insertion port 11a or 11c. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、電源用プラグを接続した電気機器への給電のオンオフを時間の経過によって切り換えるタイマタップに関するものである。   The present invention relates to a timer tap that switches on / off of power feeding to an electrical device connected to a power plug as time elapses.

従来から、電源用プラグを接続した電気機器への給電のオンオフを時間の経過によって切り換えるタイマタップが提供されている（例えば、特許文献１参照）。   2. Description of the Related Art Conventionally, a timer tap that switches on / off of power feeding to an electrical device connected to a power plug as time passes has been provided (see, for example, Patent Document 1).

この種のタイマタップとして、例えば図１０に示すものがある。   An example of this type of timer tap is shown in FIG.

このタイマタップは、図１０（ｂ）に示す下面に３個の栓刃挿入口１１ａ〜１１ｃが左右に並べて設けられたハウジング１と、図１０（ｃ）に示すようにハウジング１の後面から突出し商用電源のような交流電源のコンセントに接続される一対の給電用栓刃２と、ハウジング１の前側に取り付けられ給電用栓刃２が接続された交流電源から栓刃挿入口１１ａ〜１１ｃに電源用プラグが接続された電気機器への給電のオンオフを切り換える限時時間を設定するために操作されるハンドル３とを有する。また、ハウジング１には、各栓刃挿入口１１ａ〜１１ｃに対応して、栓刃挿入口１１ａ〜１１ｃから挿入された電源用プラグの栓刃に接触導通する刃受け部（図示せず）が収納されている。   This timer tap protrudes from the rear surface of the housing 1 as shown in FIG. 10 (c) and the housing 1 in which the three stopper blade insertion ports 11a to 11c are arranged side by side on the lower surface shown in FIG. 10 (b). A pair of power supply blades 2 connected to an AC power outlet, such as a commercial power supply, and an AC power source attached to the front side of the housing 1 and connected to the power supply blades 2 to the blade insertion ports 11a to 11c. And a handle 3 that is operated to set a time limit for switching on / off the power supply to the electrical equipment to which the electrical plug is connected. Further, the housing 1 has blade receiving portions (not shown) corresponding to the plug blade insertion ports 11a to 11c, which are in contact with the plug blades of the power plug inserted from the plug blade insertion ports 11a to 11c. It is stored.

ハンドル３によって限時時間が設定されると、ハウジング１に収納された図示しないタイマ機構によって、設定された限時時間の限時が開始される。この限時中は、給電用栓刃２を介して交流電源から左の２個の栓刃挿入口１１ａ，１１ｂ内の導電体間に給電され、限時中以外は、給電用栓刃２を介して交流電源から右の２個の栓刃挿入口１１ｂ，１１ｃ内の導電体間に給電される。すなわち、２極の電源用プラグを左の２個の栓刃挿入口１１ａ，１１ｂに挿入するか右の２個の栓刃挿入口１１ｂ，１１ｃに挿入するかによって、限時中は給電せず限時終了時に給電を開始するオンタイマ動作と、逆に限時中に給電し限時終了時に給電を停止するオフタイマ動作とを択一的に選択可能となっている。すなわち、左端の栓刃挿入口１１ａがオフタイマ栓刃挿入口であり、右端の栓刃挿入口１１ｃがオンタイマ栓刃挿入口であり、中央の栓刃挿入口１１ｂはオンタイマ栓刃挿入口でもありオフタイマ栓刃挿入口でもある。   When the time limit is set by the handle 3, the time limit of the set time limit is started by a timer mechanism (not shown) housed in the housing 1. During this time limit, power is supplied from the AC power source via the power supply plug blade 2 between the conductors in the two left plug blade insertion ports 11a and 11b. Power is supplied from the AC power source between the conductors in the right two blade insertion holes 11b and 11c. In other words, depending on whether the two-pole power plug is inserted into the two left plug blade insertion ports 11a and 11b or the two right plug blade insertion ports 11b and 11c, power is not supplied during the time limit. An on-timer operation that starts power supply at the end of time and an off-timer operation that supplies power during a time limit and stops power supply at the end of the time limit can be alternatively selected. That is, the left end plug blade insertion port 11a is an off-timer blade insertion port, the right end plug blade insertion port 11c is an on-timer blade insertion port, and the central plug blade insertion port 11b is also an on-timer blade insertion port. It is also a blade insertion slot.

詳しく説明すると、ハウジング１は、ハウジング１の下面と後面と側面の後部とを構成し栓刃挿入口１１ａ〜１１ｃが設けられたボディ１ａと、ハウジング１の前面と側面の前部とを構成しハンドル３が取り付けられるカバー１ｂとからなる。   More specifically, the housing 1 constitutes a body 1a that constitutes a lower surface, a rear surface, and a rear portion of the housing 1 and is provided with plug blade insertion ports 11a to 11c, and a front surface and a front portion of the side surface of the housing 1. And a cover 1b to which the handle 3 is attached.

また、ハウジング１の前面には、円柱形状の突部１２を設けてある。突部１２の前面の中央には、タイマ機構に連動した操作軸４１がカバー１ｂを前後に貫通してハウジング１の前方へ突出している。ハンドル３は、透明な材料からなり後面が開放され突部１２が収納される有底円筒形状に形成されていて、ハンドル３の後面の中央部には、操作軸４１が嵌合する筒状の突起３１を設けてある。また、突部１２の前面には、周縁に沿って０から始まり等間隔に配置され時計回りに増大する１１までの数字と、互いに隣接する数字の間をそれぞれ４等分する目盛りとが記してある。さらに、ハンドル３において、タイマ機構が限時していないときに、突部１２に記された０に重なる位置には線３２を記してある。   Further, a cylindrical protrusion 12 is provided on the front surface of the housing 1. At the center of the front surface of the protrusion 12, an operation shaft 41 interlocked with the timer mechanism penetrates the cover 1 b back and forth and protrudes forward of the housing 1. The handle 3 is made of a transparent material and is formed in a bottomed cylindrical shape in which the rear surface is opened and the protrusion 12 is accommodated, and a cylindrical shape in which the operation shaft 41 is fitted at the center of the rear surface of the handle 3. A protrusion 31 is provided. Also, on the front surface of the protrusion 12, there are written a number up to 11 starting from 0 along the peripheral edge and increasing in a clockwise direction, and a scale that divides each adjacent number into four equal parts. is there. Further, in the handle 3, when the timer mechanism is not timed, a line 32 is marked at a position overlapping with 0 marked on the protrusion 12.

タイマ機構は例えば、給電用栓刃２を介して交流電源から給電され、ハンドル３の線３２の位置と突部１２に記された０の位置とがずれているときにこれらが重なるまで前方から見て反時計回りに一定の速度で操作軸４１を回転させるタイマ手段としてのギアドモータと、ハンドル３の線３２と突部１２に記された０とが重なるまでギアドモータが回転すると切り換わるスイッチ手段としての切り換え接点とからなる。   For example, the timer mechanism is supplied with power from an AC power supply via the power supply blade 2, and when the position of the line 32 of the handle 3 and the position 0 marked on the protrusion 12 are deviated from the front until they overlap. A geared motor as a timer means for rotating the operation shaft 41 counterclockwise as seen, and a switch means that switches when the geared motor rotates until the line 32 of the handle 3 and 0 marked on the protrusion 12 overlap. Switching contacts.

すなわち、給電用栓刃２が交流電源に接続された状態で、ハンドル３をハウジング１に対して時計回りに回し、所望の限時時間に対応した数字又は目盛りに線３２を重ねると、タイマ機構がその限時時間の限時を開始するようになっている。また、限時中は、線３２の位置がタイマ機構の残りの限時時間に対応した数字又は目盛りに合わさるようになっている。
実開昭５６−１３５６７９号公報 That is, when the power supply blade 2 is connected to the AC power supply, the handle 3 is rotated clockwise with respect to the housing 1 and the line 32 is superimposed on the number or scale corresponding to the desired time limit, the timer mechanism is activated. The time limit of the time limit is started. During the time limit, the position of the line 32 is set to a number or scale corresponding to the remaining time limit of the timer mechanism.
Japanese Utility Model Publication No. 56-135679

しかし、上記従来例においては、使用者が誤って図１０（ｃ）における左右にずれた位置に電源用プラグを挿入してしまうことがあり、この場合には、期待された動作とは全く逆の動作をしてしまうことになる。例えば、オンタイマ動作をさせようとしても、電源用プラグを挿す位置が栓刃挿入口１１ａ〜１１ｃの間隔の長さだけ左にずれれば、実際に行われる動作はオフタイマ動作となってしまう。   However, in the above conventional example, the user may accidentally insert the power plug at a position shifted left and right in FIG. 10C. In this case, the operation is completely opposite to the expected operation. Will end up working. For example, even if an on-timer operation is to be performed, if the position where the power plug is inserted is shifted to the left by the length of the interval between the plug blade insertion ports 11a to 11c, the actually performed operation becomes an off-timer operation.

本発明は上記事由に鑑みて為されたものであり、その目的は、プラグの誤接続を防ぐことができるタイマタップを提供することにある。   The present invention has been made in view of the above reasons, and an object of the present invention is to provide a timer tap capable of preventing erroneous plug connection.

請求項１の発明は、それぞれ電源用プラグの栓刃が挿入される複数の栓刃挿入口が設けられたハウジングと、ハウジングに収納されタイマ時間を限時するタイマ手段とを備え、電源用プラグの栓刃を挿入する栓刃挿入口を選ぶことによって、タイマ手段の限時中は電源用プラグへの給電は行わず限時の完了とともに電源用プラグへの給電を開始するオンタイマ動作と、タイマ手段の限時中は電源用プラグへ給電し限時の完了とともに電源用プラグへの給電を停止するオフタイマ動作とを択一的に選択可能なタイマタップであって、それぞれ導電材料からなりハウジング内に収納されオンタイマ動作に対応するオンタイマ栓刃挿入口及びオフタイマ動作に対応するオフタイマ栓刃挿入口から挿入された電源用プラグの栓刃に接触導通するオンタイマ刃受け部及びオフタイマ刃受け部と、ハウジングの後面から突出し商用電源に接続される電源用栓刃と、電源用栓刃を介して給電されタイマ手段の限時中はオフタイマ刃受け部に給電しタイマ手段の限時中以外はオンタイマ刃受け部に給電するスイッチ手段と、オンタイマ栓刃挿入口を露出させるともにオフタイマ栓刃挿入口を覆う位置と、オフタイマ栓刃挿入口を露出させるとともにオンタイマ栓刃挿入口を覆う位置との間でハウジングに対して可動となるようにハウジングに取り付けられた栓刃挿入口カバーと、栓刃挿入口カバーを操作する操作部とを備えることを特徴とする。   The invention of claim 1 includes a housing provided with a plurality of plug blade insertion openings into which plug blades of a power plug are respectively inserted, and timer means housed in the housing for limiting the timer time. By selecting the plug blade insertion port for inserting the plug blade, power supply to the power plug is not performed during the time limit of the timer means, and on-timer operation that starts power supply to the power plug upon completion of the time limit, and the timer means time limit The inside is a timer tap that can alternatively select off-timer operation that supplies power to the power plug and stops power supply to the power plug upon completion of the time limit. Each timer tap is made of a conductive material and housed in a housing. The on-timer plug blade insertion port corresponding to the on-timer and the on-timer that contacts the plug blade of the power plug inserted from the off-timer blade insertion port corresponding to the off-timer operation The blade receiving part and the off-timer blade receiving part, the power supply blade that protrudes from the rear surface of the housing and connected to the commercial power supply, and the power is supplied to the off-timer blade receiving part while the timer means is limited. Switch means for supplying power to the on-timer blade receiving part except during the time limit of the timer means, the position where the on-timer blade insertion slot is exposed and covering the off-timer blade insertion slot, the off-timer blade insertion slot is exposed and the on-timer blade insertion A plug blade insertion port cover attached to the housing so as to be movable with respect to the housing between a position covering the mouth and an operation unit for operating the plug blade insertion port cover.

この構成によれば、予めオンタイマ栓刃挿入口とオフタイマ栓刃挿入口とのうち使用しない一方を栓刃挿入口カバーによって覆っておけば、電源用プラグが誤った栓刃挿入口に挿入されることを防止することができる。   According to this configuration, if the unused one of the on-timer blade insertion port and the off-timer blade insertion port is previously covered with the blade insertion port cover, the power plug is inserted into the wrong blade insertion port. This can be prevented.

請求項２の発明は、請求項１の発明において、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口は互いに同じ方向へ向けて設けられ、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口の周囲から、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口が向けられた方向へ突出して栓刃挿入口付近の充電部を保護する保護カバーを備えることを特徴とする。   The invention of claim 2 is the invention of claim 1, wherein the on-timer blade insertion port and the off-timer blade insertion port are provided in the same direction, and from the periphery of the on-timer blade insertion port and the off-timer blade insertion port, A protective cover is provided which projects in a direction in which the on-timer blade insertion port and the off-timer blade insertion port are directed and protects the charging part in the vicinity of the blade insertion port.

この構成によれば、保護カバーによって栓刃挿入口付近の充電部が保護されるから、安全性が向上する。   According to this structure, since the charging part near the plug blade insertion opening is protected by the protective cover, safety is improved.

請求項３の発明は、請求項１の発明において、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口をそれぞれハウジングの前面に設けたことを特徴とする。   The invention of claim 3 is characterized in that, in the invention of claim 1, an on-timer blade insertion port and an off-timer blade insertion port are provided on the front surface of the housing.

この構成によれば、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口をハウジングの側面や下面に設ける場合に比べ、電源用プラグの接続が容易となる。   According to this configuration, it is easier to connect the power plug as compared to the case where the on-timer blade insertion port and the off-timer blade insertion port are provided on the side surface or the lower surface of the housing.

本発明によれば、オンタイマ栓刃挿入口を露出させるともにオフタイマ栓刃挿入口を覆う位置と、オフタイマ栓刃挿入口を露出させるとともにオンタイマ栓刃挿入口を覆う位置との間でハウジングに対して可動となるようにハウジングに取り付けられた栓刃挿入口カバーを備えるので、予めオンタイマ栓刃挿入口とオフタイマ栓刃挿入口とのうち使用しない一方を栓刃挿入口カバーによって覆っておけば、電源用プラグが誤った栓刃挿入口に挿入されることを防止することができる。   According to the present invention, the housing between the position where the on-timer plug blade insertion port is exposed and the position where the off-timer blade insertion port is covered and the position where the off-timer blade insertion port is exposed and the on-timer blade insertion port is covered. Since it is equipped with a plug blade insertion port cover attached to the housing so as to be movable, if one of the on-timer blade insertion port and the off-timer blade insertion port is previously covered with the blade insertion port cover, It is possible to prevent the use plug from being inserted into the wrong plug blade insertion port.

以下、本発明を実施するための最良の形態について、図面を参照しながら説明する。   The best mode for carrying out the present invention will be described below with reference to the drawings.

（実施形態１）
本実施形態の基本構成は従来例と共通であるので、共通する部分については同じ符号を付して図示及び説明を省略する。 (Embodiment 1)
Since the basic configuration of this embodiment is the same as that of the conventional example, common portions are denoted by the same reference numerals, and illustration and description thereof are omitted.

本実施形態は、図１（ｂ）に示すように左端の栓刃挿入口１１ｃを覆い且つ右側の２個の栓刃挿入口１１ｂ，１１ｃを露出させる位置と、図１（ｄ）に示すように右端の栓刃挿入口１１ｃを覆い且つ左側の２個の栓刃挿入口１１ｂ，１１ｃを露出させる位置との間でハウジング１に対して可動なカバー６１を備えることを特徴とする。以下、上下左右は図１（ａ）を基準とし、図１（ｅ）の左右方向を前後方向と呼ぶ。なお、図１ではボディ１ａとカバー１ｂとの境界線の図示は省略してある。   In the present embodiment, as shown in FIG. 1 (b), the leftmost blade insertion slot 11c is covered and the right two blade insertion holes 11b, 11c are exposed, as shown in FIG. 1 (d). And a cover 61 that is movable with respect to the housing 1 between a position that covers the right-side plug blade insertion port 11c and exposes the two left-side plug blade insertion ports 11b and 11c. Hereinafter, the vertical and horizontal directions are based on FIG. 1A, and the horizontal direction in FIG. In FIG. 1, the boundary line between the body 1a and the cover 1b is not shown.

詳しく説明すると、ハウジング１の内部には、従来例で説明したタイマ機構Ｔ（図３参照）が収納されたタイマブロック４と、各栓刃挿入口１１ａ〜１１ｃに対応してそれぞれ栓刃挿入口１１ａ〜１１ｃに挿入された電源用プラグの栓刃を弾性的に挟持する従来周知の刃受けばね５ａ〜５ｃとが収納されている。すなわち、左端の栓刃挿入口１１ａ内の刃受けばね５ａがオフタイマ刃受け部であり、右端の栓刃挿入口１１ｃ内の刃受けばね５ｃがオンタイマ刃受け部であり、中央の栓刃挿入口１１ｂ内の刃受けばね５ｂはオンタイマ刃受け部でもありオフタイマ刃受け部でもある。   More specifically, the housing 1 includes a timer block 4 in which the timer mechanism T (see FIG. 3) described in the conventional example is housed, and the blade insertion holes corresponding to the blade insertion holes 11a to 11c. The blade receiving springs 5a to 5c, which are well known in the art, are elastically held between the blades of the power plugs inserted into the power plugs 11a to 11c. That is, the blade receiving spring 5a in the left end plug blade insertion port 11a is an off-timer blade receiving portion, the blade receiving spring 5c in the right end plug blade insertion port 11c is an on-timer blade receiving portion, and the central blade insertion port The blade receiving spring 5b in 11b is both an on-timer blade receiving portion and an off-timer blade receiving portion.

回路図は図３のようになっており、タイマ機構Ｔは、電源用栓刃２を通じて例えば商用電源のような交流電源ＡＣから給電され、ハンドル３によって設定された時間の限時中は左の２個の刃受ばね５ａ，５ｂの間に給電し、限時中以外は右の２個の刃受ばね５ｂ，５ｃの間に給電する。   The circuit diagram is as shown in FIG. 3, and the timer mechanism T is supplied with power from an AC power source AC such as a commercial power source through the power plug blade 2, and the left 2 during the time limit set by the handle 3. Power is supplied between the blade receiving springs 5a and 5b, and power is supplied between the two blade receiving springs 5b and 5c on the right except during the time limit.

以下、本実施形態の要旨である栓刃挿入口カバー６１について説明する。   Hereinafter, the blade insertion slot cover 61 which is the gist of the present embodiment will be described.

栓刃挿入口カバー６１は、長方形平板状に形成されており、ハウジング１の下面に設けられた長方形状のカバー用凹部１３内に収納されている。栓刃挿入口１１ａ〜１１ｃは、カバー用凹部１３の底部に貫設されている。ここで、カバー用凹部１３の左右の幅寸法は栓刃挿入口カバー６１の左右の幅寸法よりも大きく形成されており、栓刃挿入口カバー６１はカバー用凹部１３内において左右にスライド可能となっている。また、栓刃挿入口カバー６１には、それぞれ栓刃挿入口１１ａ〜１１ｃよりも大きな貫通穴６１ａを左右に２個並べて設けてある。そして、栓刃挿入口カバー６１がカバー用凹部１３の右端に位置しているときには、左側の貫通穴６１ａから中央の栓刃挿入口１１ｂが露出し、右側の貫通穴６１ａから右端の栓刃挿入口１１ｃが露出する。また、栓刃挿入口カバー６１がカバー用凹部１３の左端に位置しているときには、左側の貫通穴６１ａから左端の栓刃挿入口１１ａが露出し、右側の貫通穴６１ａから中央の栓刃挿入口１１ｂが露出する。ここで、栓刃挿入口カバー６１はカバー用凹部１３から突出しないようにしてあり、これによって見栄えが向上するとともに、栓刃挿入口カバー６１が不用意に力を受けることが防止されている。   The plug blade insertion port cover 61 is formed in a rectangular flat plate shape and is accommodated in a rectangular cover recess 13 provided on the lower surface of the housing 1. The plug blade insertion ports 11 a to 11 c are provided through the bottom of the cover recess 13. Here, the left and right width dimensions of the cover recess 13 are formed to be larger than the left and right width dimensions of the plug blade insertion slot cover 61, and the plug blade insertion slot cover 61 can be slid left and right within the cover recess 13. It has become. The plug blade insertion port cover 61 is provided with two through holes 61a that are larger than the plug blade insertion ports 11a to 11c side by side. When the plug blade insertion port cover 61 is positioned at the right end of the cover recess 13, the central plug blade insertion port 11b is exposed from the left through hole 61a, and the right blade plug is inserted from the right through hole 61a. The mouth 11c is exposed. When the plug blade insertion port cover 61 is positioned at the left end of the cover recess 13, the left blade plug insertion port 11a is exposed from the left through hole 61a, and the central blade insertion is performed from the right through hole 61a. The mouth 11b is exposed. Here, the blade insertion slot cover 61 does not protrude from the cover recess 13, thereby improving the appearance and preventing the blade insertion slot cover 61 from being inadvertently subjected to force.

また、ハウジング１の前側には、栓刃挿入口カバー６１を操作するための操作部としての長円形状の操作ハンドル６２が設けられている。また、ハウジング１の前面には長円形状のハンドル用凹部１４が設けられていて、操作ハンドル６２はハンドル用凹部１４に収納されている。ハンドル用凹部１４は左右の寸法が操作ハンドル６２よりも大きく形成されており、操作ハンドル６２はハンドル用凹部１４内で左右にスライド自在となっている。さらに、操作ハンドル６２の左右方向の中間部には、ハンドル用凹部１４から前方へ突出する操作突起６２を突設してある。すなわち、操作ハンドル６２を操作する際は、操作突起６２に指をかけることや操作突起６２を摘むことにより操作が容易となる。   An oblong operation handle 62 is provided on the front side of the housing 1 as an operation portion for operating the plug blade insertion port cover 61. An oblong handle recess 14 is provided on the front surface of the housing 1, and the operation handle 62 is accommodated in the handle recess 14. The left and right dimensions of the handle recess 14 are larger than those of the operation handle 62, and the operation handle 62 is slidable left and right within the handle recess 14. Further, an operation projection 62 that protrudes forward from the handle recess 14 is provided at the middle portion of the operation handle 62 in the left-right direction. That is, when operating the operation handle 62, the operation is facilitated by placing a finger on the operation protrusion 62 or picking the operation protrusion 62.

そして、操作ハンドル６２と栓刃挿入口カバー６１とは、例えば図４に示すようにハウジング１内において連結部６３を介して連結されることにより連動している。なお、図４ではタイマブロック４や刃受ばね５ａ〜５ｃの図示は省略してある。組み立ての際は、例えばハウジング１前面のハンドル用凹部１４の底面をカバー１ｂとは別体の部材１６によって構成し、栓刃挿入口カバー６１と操作ハンドル６２と連結部６３とが一体化されたカバーブロック６をカバー１ｂに取り付けた後に、ハンドル用凹部１４の底面を構成する部材１６をカバー１ｂに取り付ける。   The operation handle 62 and the plug blade insertion port cover 61 are interlocked by being connected through a connecting portion 63 in the housing 1 as shown in FIG. 4, for example. In FIG. 4, the timer block 4 and the blade receiving springs 5a to 5c are not shown. During assembly, for example, the bottom surface of the handle recess 14 on the front surface of the housing 1 is configured by a member 16 separate from the cover 1b, and the plug blade insertion port cover 61, the operation handle 62, and the connecting portion 63 are integrated. After the cover block 6 is attached to the cover 1b, the member 16 constituting the bottom surface of the handle recess 14 is attached to the cover 1b.

ここで、ハンドル用凹部１４の底面において、オンタイマ動作用の栓刃挿入口１１ｂ、１１ｃが露出する位置に栓刃挿入口カバー６１があるときに、操作ハンドル６２に覆われずに前方へ露出する位置には「入」の文字が記入され、オフタイマ動作用の栓刃挿入口１１ａ、１１ｂが露出する位置に栓刃挿入口カバー６１があるときに、操作ハンドル６２に覆われずに前方へ露出する位置には「切」の文字が記入されている。すなわち、上記「入」「切」の文字を確認することによって、そのときに露出している栓刃挿入口１１ａ〜１１ｃに電源用プラグを接続したときにどのような動作が行われるのかが分かるようになっている。   Here, on the bottom surface of the handle recess 14, when the plug blade insertion port cover 61 is located at a position where the plug blade insertion ports 11 b and 11 c for on-timer operation are exposed, they are exposed to the front without being covered by the operation handle 62. The character “ON” is written in the position, and when the blade insertion slot cover 61 is in a position where the blade insertion holes 11a and 11b for off-timer operation are exposed, the operation handle 62 is not covered and exposed forward. The character of “cut” is entered at the position to be performed. That is, by confirming the characters “ON” and “OFF”, it can be understood what operation is performed when the power plug is connected to the plug blade insertion ports 11a to 11c exposed at that time. It is like that.

上記構成によれば、予め目的の動作に応じた文字がハウジング前面のハンドル用凹部１４の底面に露出するように操作ハンドル６２を操作しておけば、オンタイマ動作専用の栓刃挿入口１１ａとオフタイマ動作専用の栓刃挿入口１１ｃとのうち使用しない一方が栓刃挿入口カバー６１によって覆われることになるから、電源用プラグが誤った栓刃挿入口１１ａ，１１ｃに挿入されることを防止することができる。   According to the above configuration, if the operation handle 62 is operated in advance so that characters corresponding to the desired operation are exposed on the bottom surface of the handle recess 14 on the front surface of the housing, the plug blade insertion port 11a dedicated to the on-timer operation and the off-timer One of the operation-use plug blade insertion ports 11c that is not used is covered with the blade insertion port cover 61, so that the power plug is prevented from being inserted into the wrong blade insertion ports 11a and 11c. be able to.

また、栓刃挿入口１１ａ〜１１ｃがハウジング１の下面に設けられているから、栓刃挿入口１１ａ〜１１ｃに接続された電源用プラグ及び電源用プラグから延びたコードがハウジング１の前方へ突出せず従って邪魔になりにくい。   Further, since the plug blade insertion ports 11 a to 11 c are provided on the lower surface of the housing 1, the power plug connected to the plug blade insertion ports 11 a to 11 c and the cord extending from the power plug protrude forward of the housing 1. So it's hard to get in the way.

なお、図５に示すように、ハウジング１の下部に取り付けられ栓刃挿入口１１ａ〜１１ｃを囲む筒状の保護カバー７を設けてもよい。詳しく説明すると、図５の保護カバー７は透明な材料からなり、ハウジング１の下部に前後左右の全周に亙って設けられた凹部１５に嵌合し、図５（ｂ）に示すようにハウジング１の下面から突出しない位置と、図５（ａ）に示すようにハウジング１の下面から突出する位置との間で、図５（ａ）の矢印Ａで示すように上下にスライド自在となっている。電源用プラグＰを接続した後に保護カバー７を下方に引き出せば、保護カバー７によって電源用プラグＰの栓刃や刃受けばね５ａ〜５ｃなどの充電部が保護される。ここで、凹部１５の深さ寸法は保護カバー７の肉厚と同程度に形成されている。従って、保護カバー７はハウジングの前後左右へは突出しないから、保護カバー７がハウジングの前後左右へ突出する場合に比べて見栄えが向上している。   In addition, as shown in FIG. 5, you may provide the cylindrical protective cover 7 attached to the lower part of the housing 1 and surrounding the plug blade insertion ports 11a-11c. More specifically, the protective cover 7 of FIG. 5 is made of a transparent material, and is fitted into a recess 15 provided in the lower part of the housing 1 over the entire front, rear, left and right, as shown in FIG. Between the position that does not protrude from the lower surface of the housing 1 and the position that protrudes from the lower surface of the housing 1 as shown in FIG. 5A, it can slide up and down as indicated by an arrow A in FIG. ing. If the protective cover 7 is pulled out after connecting the power plug P, the protective cover 7 protects the charging parts such as the blades and blade receiving springs 5a to 5c of the power plug P. Here, the depth dimension of the recess 15 is formed to be approximately the same as the thickness of the protective cover 7. Therefore, since the protective cover 7 does not protrude from the front, rear, left and right of the housing, the appearance is improved as compared with the case where the protective cover 7 protrudes from the front, rear, left and right of the housing.

上記構成によれば、電源用プラグＰの栓刃や刃受けばね５ａ〜５ｃなど、栓刃挿入口１１ａ〜１１ｃの周囲の充電部が保護カバー７によって保護されるから、安全性が向上する。具体的には、電源用プラグＰの栓刃等への水の飛沫の付着を保護カバー７によって阻止することができ、従って漏電が防止されるから、キッチンや洗面所での使用にも好適である。   According to the said structure, since the charging parts around the plug blade insertion ports 11a-11c, such as the plug blade of the power plug P and the blade receiving springs 5a-5c, are protected by the protective cover 7, safety is improved. Specifically, the protective cover 7 can prevent the splash of water from adhering to the blades of the power plug P, and therefore, electric leakage is prevented, so it is also suitable for use in kitchens and toilets. is there.

また、保護カバー７を透明な材料で形成したので、図５（ａ）に示すように保護カバー７が引き出された状態でも、電源用プラグＰが正しく接続されているか否かを確認しやすい。   Further, since the protective cover 7 is formed of a transparent material, it is easy to confirm whether or not the power plug P is correctly connected even when the protective cover 7 is pulled out as shown in FIG.

（実施形態２）
本実施形態の基本構成は実施形態１と共通であるので、共通する部分については同じ符号を付して説明を省略する。 (Embodiment 2)
Since the basic configuration of the present embodiment is the same as that of the first embodiment, common portions are denoted by the same reference numerals and description thereof is omitted.

本実施形態は、図６に示すように、栓刃挿入口１１ａ〜１１ｃ、栓刃挿入口カバー６１並びにカバー用凹部１３をハウジング１の前面に設けたことを特徴とする。   As shown in FIG. 6, the present embodiment is characterized in that the plug blade insertion ports 11 a to 11 c, the plug blade insertion port cover 61, and the cover recess 13 are provided on the front surface of the housing 1.

本実施形態においては、図７に示すように、カバーブロック６は平坦な形状となる。このようなカバーブロック６をハウジング１に組み付けるに当たっては、カバー用凹部１３の底面及びハンドル用凹部１４の底面をカバー１ｂとは別体の部材１７で構成し、カバー用凹部１３となる貫通穴に栓刃挿通口カバー６１を挿通するとともにハンドル用凹部１４となる貫通穴に操作ハンドル６２を挿通した後に、カバー用凹部１３の底面及びハンドル用凹部１４の底面を構成する部材１７をカバー１ｂに組み付ける。   In the present embodiment, as shown in FIG. 7, the cover block 6 has a flat shape. In assembling such a cover block 6 to the housing 1, the bottom surface of the cover recess 13 and the bottom surface of the handle recess 14 are configured by a member 17 that is separate from the cover 1 b, and the through hole serving as the cover recess 13 is formed. After inserting the stopper blade insertion port cover 61 and inserting the operation handle 62 into the through hole serving as the handle recess 14, the member 17 constituting the bottom surface of the cover recess 13 and the bottom surface of the handle recess 14 is assembled to the cover 1b. .

上記構成によれば、実施形態１に比べて栓刃挿入口１１ａ〜１１ｃへの電源用プラグの接続が容易となる。また、電源用プラグが、コードの延長方向が栓刃の突出方向に対して交叉する方向であるＬ字形プラグであれば、コードが邪魔になることもない。   According to the said structure, compared with Embodiment 1, the connection of the plug for power supplies to the plug blade insertion ports 11a-11c becomes easy. Further, if the power plug is an L-shaped plug in which the extension direction of the cord intersects the protruding direction of the plug blade, the cord does not get in the way.

ところで、電源用プラグの誤接続を防止する方法としては、栓刃挿入口カバー６２を設ける代わりに、オンタイマ動作に対応した栓刃挿入口と、オフタイマ動作に対応した栓刃挿入口とを離して配置することも考えられる。例えば、図８に示すように、オンタイマ動作に対応したオンタイマ栓刃挿入口１１ｅをハウジング１の右面に、オフタイマ動作に対応したオフタイマ栓刃挿入口（図示せず）をハウジング１の左面に、タイマ部の限時動作に関わらず常時給電される常時動作に対応した常時栓刃挿入口１１ｄをハウジング１の下面にそれぞれ位置及び向きを分けて設ける。   By the way, as a method of preventing erroneous connection of the power plug, the plug blade insertion port corresponding to the on-timer operation is separated from the plug blade insertion port corresponding to the off-timer operation, instead of providing the plug blade insertion port cover 62. Arrangement is also possible. For example, as shown in FIG. 8, an on-timer blade insertion slot 11e corresponding to the on-timer operation is provided on the right side of the housing 1, and an off-timer blade insertion slot (not shown) corresponding to the off-timer operation is provided on the left side of the housing 1. Regardless of the time limit operation of the unit, a constant plug blade insertion port 11d corresponding to a constant operation in which power is always supplied is provided on the lower surface of the housing 1 with its position and orientation separately.

上記の場合、回路図は図９に示すようになる。常時栓刃挿入口１１ｄ内の刃受けばね５ｄにはタイマ機構Ｔの動作によらず常時給電され、タイマ機構Ｔは、限時中はオンタイマ栓刃挿入口１１ｅ内の刃受けばね５ｅに給電し、限時中以外はオフタイマ栓刃挿入口内の刃受けばね５ｆに給電する。   In the above case, the circuit diagram is as shown in FIG. The blade receiving spring 5d in the constant plug blade insertion port 11d is always supplied with power regardless of the operation of the timer mechanism T. The timer mechanism T supplies power to the blade receiving spring 5e in the on-timer blade insertion port 11e during the time limit, Except during the time limit, power is supplied to the blade receiving spring 5f in the off-timer blade insertion slot.

このように、オンタイマ栓刃挿入口１１ｅ、オフタイマ栓刃挿入口、常時栓刃挿入口１１ｄを互いに離して配置することでも誤接続を防止できるが、実施形態１及び実施形態２に比べて構造が複雑になる上に、各栓刃挿入口１１ｄ，１１ｅは常時露出しているために誤接続の防止効果は低い。   As described above, the on-timer blade insertion port 11e, the off-timer blade insertion port, and the constant blade insertion port 11d can be prevented from being connected to each other by being arranged apart from each other, but the structure is more than that of the first and second embodiments. In addition, since the plug blade insertion openings 11d and 11e are always exposed, the effect of preventing erroneous connection is low.

本発明の実施形態１を示す図であり、（ａ）は動作がタイマオンに設定された状態の正面図、（ｂ）は動作がタイマオンに設定された状態の下面図、（ｃ）は動作がタイマオフに設定された状態の正面図、（ｄ）は動作がタイマオフに設定された状態の下面図、（ｅ）は右側面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows Embodiment 1 of this invention, (a) is a front view of the state in which operation | movement was set to timer on, (b) is a bottom view in the state to which operation | movement was set to timer on, (c) is operation | movement. FIG. 4D is a front view of a state in which the timer is set to off, FIG. 4D is a bottom view of the state in which the operation is set to timer off, and FIG. 同上においてハウジングのカバーを外した状態を示す斜視図である。It is a perspective view which shows the state which removed the cover of the housing in the same as the above. 同上を示す回路図である。It is a circuit diagram which shows the same as the above. 同上の要部を示す断面図である。It is sectional drawing which shows the principal part same as the above. 同上の別の形態を示す斜視図であり、（ａ）は保護カバーを引き出した状態、（ｂ）は保護カバーを押し込んだ状態を示す。It is a perspective view which shows another form same as the above, (a) shows the state which pulled out the protective cover, (b) shows the state which pushed in the protective cover. 本発明の実施形態２を示す図であり、（ａ）は動作がタイマオンに設定された状態の正面図、（ｂ）は動作がタイマオンに設定された状態の下面図、（ｃ）は動作がタイマオフに設定された状態の正面図、（ｄ）は動作がタイマオフに設定された状態の下面図、（ｅ）は右側面図である。It is a figure which shows Embodiment 2 of this invention, (a) is a front view of the state in which the operation | movement was set to timer on, (b) is a bottom view of the state in which the operation | movement was set to timer on, (c) is operation | movement. FIG. 4D is a front view of a state in which the timer is set to off, FIG. 4D is a bottom view of the state in which the operation is set to timer off, and FIG. 同上の要部を示す断面図である。It is sectional drawing which shows the principal part same as the above. 参考例を示す図であり、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図である。It is a figure which shows a reference example, (a) is a front view, (b) is a bottom view, (c) is a right view. 同上を示す回路図である。It is a circuit diagram which shows the same as the above. 従来例を示す図であり、（ａ）は正面図、（ｂ）は一部破断した下面図、（ｃ）は一部破断した右側面図である。It is a figure which shows a prior art example, (a) is a front view, (b) is a partially broken bottom view, (c) is a partially broken right side view.

符号の説明Explanation of symbols

１ ハウジング
２ 電源用栓刃
５ａ〜５ｃ 刃受けばね
７ 保護カバー
１１ａ〜１１ｃ 栓刃挿入口
６１ 栓刃挿入口カバー
６２ 操作ハンドル
Ｔ タイマ機構 DESCRIPTION OF SYMBOLS 1 Housing 2 Plug blade for power supply 5a-5c Blade receiving spring 7 Protective cover 11a-11c Plug blade insertion port 61 Plug blade insertion port cover 62 Operation handle T Timer mechanism

Claims (3)

それぞれ電源用プラグの栓刃が挿入される複数の栓刃挿入口が設けられたハウジングと、ハウジングに収納されタイマ時間を限時するタイマ手段とを備え、電源用プラグの栓刃を挿入する栓刃挿入口を選ぶことによって、タイマ手段の限時中は電源用プラグへの給電は行わず限時の完了とともに電源用プラグへの給電を開始するオンタイマ動作と、タイマ手段の限時中は電源用プラグへ給電し限時の完了とともに電源用プラグへの給電を停止するオフタイマ動作とを択一的に選択可能なタイマタップであって、
それぞれ導電材料からなりハウジング内に収納されオンタイマ動作に対応するオンタイマ栓刃挿入口及びオフタイマ動作に対応するオフタイマ栓刃挿入口から挿入された電源用プラグの栓刃に接触導通するオンタイマ刃受け部及びオフタイマ刃受け部と、ハウジングの後面から突出し商用電源に接続される電源用栓刃と、電源用栓刃を介して給電されタイマ手段の限時中はオフタイマ刃受け部に給電しタイマ手段の限時中以外はオンタイマ刃受け部に給電するスイッチ手段と、
オンタイマ栓刃挿入口を露出させるともにオフタイマ栓刃挿入口を覆う位置と、オフタイマ栓刃挿入口を露出させるとともにオンタイマ栓刃挿入口を覆う位置との間でハウジングに対して可動となるようにハウジングに取り付けられた栓刃挿入口カバーと、栓刃挿入口カバーを操作する操作部とを備えることを特徴とするタイマタップ。 A plug blade having a housing provided with a plurality of plug blade insertion ports into which plug blades for power supply plugs are inserted, and timer means that is housed in the housing to limit the timer time, and inserts the plug blades of the power plug By selecting the insertion slot, power supply to the power plug is not performed during the time limit of the timer means, and power is supplied to the power plug during the time limit of the timer means. A timer tap that can alternatively select an off-timer operation that stops power supply to the power plug upon completion of the time limit,
An on-timer blade receiving portion that is made of a conductive material and is housed in a housing and that is in contact with the plug blade of an on-timer plug blade insertion port that corresponds to on-timer operation and an off-timer blade insertion port that corresponds to off-timer operation; The off-timer blade receiving part, the power plug blade protruding from the rear surface of the housing and connected to the commercial power supply, and supplied with power through the power supply plug blade, the timer means is powered while the timer means is limited Switch means for supplying power to the on-timer blade receiving part,
The housing is movable between the position where the on-timer blade insertion port is exposed and the position where the off-timer blade insertion port is covered and the position where the off-timer blade insertion port is exposed and the on-timer blade insertion port is covered. A timer tap, comprising: a blade insertion slot cover attached to the blade, and an operation unit for operating the blade insertion slot cover. オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口は互いに同じ方向へ向けて設けられ、
オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口の周囲から、オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口が向けられた方向へ突出して栓刃挿入口付近の充電部を保護する保護カバーを備えることを特徴とする請求項１記載のタイマタップ。 The on-timer blade insertion port and the off-timer blade insertion port are provided in the same direction,
Provide a protective cover that protects the charging part near the plug blade insertion port by protruding from the periphery of the on-timer blade insertion port and the off-timer blade insertion port in the direction in which the on-timer blade insertion port and the off-timer blade insertion port are directed. The timer tap according to claim 1. オンタイマ栓刃挿入口並びにオフタイマ栓刃挿入口をそれぞれハウジングの前面に設けたことを特徴とする請求項１記載のタイマタップ。   2. The timer tap according to claim 1, wherein an on-timer blade insertion port and an off-timer blade insertion port are provided on the front surface of the housing.
JP2004048640A 2004-02-24 2004-02-24 Timer tap Withdrawn JP2005243317A (en)

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