JP2009152473A - Fitting structure of light-emitting diode element - Google Patents

Fitting structure of light-emitting diode element Download PDF

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JP2009152473A
JP2009152473A JP2007330523A JP2007330523A JP2009152473A JP 2009152473 A JP2009152473 A JP 2009152473A JP 2007330523 A JP2007330523 A JP 2007330523A JP 2007330523 A JP2007330523 A JP 2007330523A JP 2009152473 A JP2009152473 A JP 2009152473A
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led
light emitting
case
mounting hole
circuit board
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Shuichi Babasaki
修一 馬場崎
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Icom Inc
アイコム株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To easily fit an LED element in a fitting hole provided to a case. <P>SOLUTION: A rib 18 for guiding a light emission portion 3a of the LED element 3 to the fitting hole 15 is provided inside a case body 10a of the fitting hole 15. Consequently, when a surface 2a of a printed board 2 where the LED element 3 is fitted is fitted opposite the side of an opening 13 of the case body 10a, the light emission portion 3a of the LED element 3 abuts against the guide rib and slides along the rib to have its moving direction restricted, so that it can be easily inserted into the fitting hole. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、電子機器への表示用の発光ダイオード素子の取り付け構造に関するものである。 The present invention relates to a structure for mounting a light-emitting diode element for display on an electronic device.
発光ダイオード(以下、LED素子)は、消費電力や発熱が少なく、しかも、長寿命で視認性も良いため、多くの電子機器で、各種検出結果や操作状況を認識させるための表示用の光源として、従来の電球に替えて用いられている。そのため、その取り付けも従来と同様、ブラケットや導光用のレンズ(光を曲げる際)を使用することが多く、組立て工賃や部品コストが上昇する問題があった。 Light-emitting diodes (hereinafter referred to as LED elements) have low power consumption and heat generation, and have a long life and good visibility. Therefore, they are used as display light sources for recognizing various detection results and operating conditions in many electronic devices. It is used in place of a conventional light bulb. For this reason, as in the prior art, brackets and light guiding lenses (when bending light) are often used, and there has been a problem that assembly costs and parts costs increase.
このような問題を解決する一つの方法として、図5に示すように、上方が開放されたケース(筐体)1に、電子部品を搭載したプリント基板2´を収容し、収容したプリント基板2´の端縁に装着したLED素子本体(発光部)3aを、特に、取り付けの難しい基板2´の嵌入方向に対して直角の側壁に設けた表示用の取り付け孔(窓)4に挿入して外から見えるようにしたものである(特許文献1)。 As one method for solving such a problem, as shown in FIG. 5, a printed circuit board 2 ′ on which an electronic component is mounted is accommodated in a case (housing) 1 whose upper side is opened, and the accommodated printed circuit board 2. The LED element body (light emitting part) 3a attached to the edge of 'is inserted into a mounting hole (window) 4 for display provided on the side wall perpendicular to the fitting direction of the board 2' which is difficult to attach. It is made visible from outside (Patent Document 1).
そのため、このものは、取り付け孔4を設けたケース1の側壁近傍の底壁に、前記側壁に向って上昇する傾斜面6(あるいは後述のストッパー5の基部をテーパー状に形成したもの)を形成することで、LED素子本体3aを簡単に側壁の前記取り付け孔4へ挿入できるようにしたものである。 Therefore, in this case, an inclined surface 6 that rises toward the side wall (or a base portion of a stopper 5 described later is formed in a taper shape) is formed on the bottom wall in the vicinity of the side wall of the case 1 provided with the mounting hole 4. Thus, the LED element body 3a can be easily inserted into the mounting hole 4 on the side wall.
すなわち、ケース1の上方の開口7から、図5のように、LED素子3を取り付けたプリント基板2´を、LED素子3を取り付けた面を上向きにし、表示用の取り付け孔4に向けて、図5の一点鎖線のように、斜めにしてケース1に入れる。ケース1に入れた前記基板2´は、端縁を傾斜面6に接触させて前進させる。すると、前進したLED素子本体(発光部)3aが、側壁の前記取り付け孔4に一致するので、さらに、前進させて側壁の両側のストッパー5と係合させる。このように係合させれば、LED素子本体3aが、前記取り付け孔4に挿入された状態で係止されるというものである。また、このように係止されたプリント基板2´は、底壁に設けた台座(スペーサ)8のピンを嵌めることで、取り付け位置を固定する。なお、図中符号9は蓋である。 That is, from the opening 7 above the case 1, as shown in FIG. 5, the printed circuit board 2 ′ to which the LED element 3 is attached is directed upward with the surface to which the LED element 3 is attached facing the mounting hole 4 for display. As shown by the dashed line in FIG. The substrate 2 ′ placed in the case 1 is advanced by bringing the end edge into contact with the inclined surface 6. Then, the advanced LED element body (light emitting portion) 3a coincides with the mounting hole 4 on the side wall, and is further advanced and engaged with the stoppers 5 on both sides of the side wall. When engaged in this manner, the LED element body 3a is locked in a state of being inserted into the mounting hole 4. In addition, the printed circuit board 2 ′ thus locked is fixed in its mounting position by fitting a pin of a base (spacer) 8 provided on the bottom wall. In the figure, reference numeral 9 denotes a lid.
特開平5−218668号公報JP-A-5-218668
しかしながら、上記のものでは、プリント基板は、LED素子を取り付けた面を上向きにしてケースの開口に入れ、プリント基板のLED素子と側壁の表示用の取り付け孔とを目視しながら位置調整しなければならず、この方法を使用できるプリント基板やケースの形状が限定されてしまう問題がある。例えば、LED素子を取り付けた面を開口側にして嵌入しなければならない場合には使用が難しい。また、使用できた場合でも以下のような問題がある。 However, in the above, the printed circuit board must be placed in the opening of the case with the surface to which the LED element is attached facing upward, and the position of the printed circuit board must be adjusted while visually observing the LED element on the printed circuit board and the display mounting holes on the side wall. In addition, there is a problem that the shape of the printed circuit board and the case that can use this method is limited. For example, it is difficult to use when the surface to which the LED element is attached must be fitted with the opening side. Even when it can be used, there are the following problems.
すなわち、底壁に傾斜面やストッパー(あるいは、傾斜面に替わるテーパーを設けたストッパー)を設けなければならないため、ケース内の形状を大きく変更する必要がある。そのため、形状の変更によりケース内が複雑になったり、ケースに取り付ける基板の部品やその配置などに規制が生じたりする問題が考えられる。 That is, since it is necessary to provide an inclined surface and a stopper (or a stopper provided with a taper that replaces the inclined surface) on the bottom wall, it is necessary to greatly change the shape in the case. For this reason, there may be a problem that the inside of the case becomes complicated due to a change in shape, or restrictions are imposed on the components of the board to be attached to the case or its arrangement.
また、上記のものでは、表示用の取り付け孔にLED素子の先端を一致させるため、ケースの傾斜面(ストッパの基部に形成したテーパーも含む)にプリント基板の端縁を接触させて、前進させながら位置を調整する。そのため、ケースには、プリント基板を前進させるための余分なスペースを設けなければならない問題がある。 Further, in the above, in order to make the tip of the LED element coincide with the mounting hole for display, the edge of the printed circuit board is brought into contact with the inclined surface of the case (including the taper formed at the base of the stopper) to be advanced. Adjust the position. For this reason, the case has a problem that an extra space for advancing the printed circuit board must be provided.
また、上記のものでは、プリント基板を前進させた際、プリント基板に、LED素子以外に、ケースから露出させるスイッチや端子(例えば本願の図1参照)があると、それらを露出させるための孔への嵌入が難しくなる問題がある。 Moreover, in the above, when the printed circuit board is advanced, if there are switches or terminals (for example, see FIG. 1 of the present application) that are exposed from the case in addition to the LED elements, the printed circuit board has holes for exposing them. There is a problem that it becomes difficult to fit in.
そこで、この発明の課題は、LED素子を取り付けた面を開口側にして嵌入するような場合に、簡単にLED素子の取り付け孔への挿入ができるようにすることである。その際、ケース内を大きく変更しなくてもLED素子の取り付け孔へ挿入ができるようにすることである。また、その際、ケースにプリント基板を前進させるための余分なスペースが無くてもLED素子の取り付け孔へ挿入ができるようにすること、プリント基板に、LED素子以外のケースから露出させるスイッチや端子があってもLED素子の取り付け孔へ挿入ができるようにすることである。 Accordingly, an object of the present invention is to make it possible to easily insert the LED element into the mounting hole when the LED element is attached with the surface to which the LED element is attached facing the opening. At that time, it is possible to insert the LED element into the mounting hole without greatly changing the inside of the case. At that time, the switch can be inserted into the mounting hole of the LED element even if the case has no extra space for advancing the printed circuit board, and the switch and the terminal exposed from the case other than the LED element to the printed circuit board It is to be able to be inserted into the mounting hole of the LED element even if there is.
上記の課題を解決するために、請求項1の発明では、発光部とリード端子からなる発光ダイオード素子と、前記発光ダイオード素子のリード端子がハンダ付けされるプリント基板と、前記発光部が挿入される取り付け孔を有する電子機器ケースとを備えた電子機器における発光ダイオードの取り付け構造であって、前記電子機器ケースの内側の前記取り付け孔近傍にリブを備えた構成を採用したのである。 In order to solve the above problems, in the invention of claim 1, a light emitting diode element comprising a light emitting part and a lead terminal, a printed circuit board on which the lead terminal of the light emitting diode element is soldered, and the light emitting part are inserted. A light emitting diode mounting structure in an electronic device including an electronic device case having a mounting hole is provided, and a configuration including a rib in the vicinity of the mounting hole inside the electronic device case is employed.
このような構成を採用することにより、プリント基板は、LED素子を取り付けた面を電子機器ケースの開口側に対向させて電子機器ケースの開口に嵌入すると、LED素子の発光部は、リブに当接し、進行方向が取り付け孔へと規制され、LED素子の発光部を取り付け孔へ誘導して挿入できる。 By adopting such a configuration, when the printed circuit board is fitted into the opening of the electronic device case with the surface on which the LED element is attached facing the opening side of the electronic device case, the light emitting portion of the LED element is brought into contact with the rib. The traveling direction is regulated to the attachment hole, and the light emitting portion of the LED element can be guided and inserted into the attachment hole.
このように、電子機器ケースの内側に、リブを設けたことにより、LED素子を取り付けた面を電子機器ケースの開口側に対向させて嵌入すると、まず、LED素子の発光部はリブに当接し、さらに、嵌入をするとリブに沿って摺動するので、プリント基板を電子機器ケース内に嵌入するだけで、LED素子の発光部を取り付け孔へ誘導しながら挿入することができる。そのため、ケースの底壁に傾斜を設けるなど、ケース内を大きく変更しなくてもLED素子の取り付け孔への挿入ができる。 As described above, by providing the rib on the inner side of the electronic device case, when the surface on which the LED element is mounted is inserted facing the opening side of the electronic device case, the light emitting portion of the LED element first comes into contact with the rib. Furthermore, since it slides along the rib when it is inserted, the light emitting part of the LED element can be inserted into the mounting hole only by inserting the printed board into the electronic device case. Therefore, the LED element can be inserted into the mounting hole without greatly changing the inside of the case, such as providing an inclination on the bottom wall of the case.
請求項2の発明では、LED素子のリード端子に少なくとも一箇所の屈曲部を設けたことにより、LED素子の発光部が電子機器ケースの内側に設けたガイド用のリブに当接した際や、リブに沿って摺動する際の押圧を屈曲部が吸収し、リード端子をプリント基板に取り付けたハンダ付け部に対して押圧が加わらないようにして、前記ハンダ付け部がダメージを受けるのを防止できる。 In the invention of claim 2, by providing at least one bent portion on the lead terminal of the LED element, when the light emitting portion of the LED element comes into contact with the guide rib provided inside the electronic device case, The bending part absorbs the pressure when sliding along the rib and prevents the soldering part from being damaged by preventing the pressing part from being applied to the soldering part attached to the printed circuit board. it can.
請求項3の発明では、リブの少なくとも両隣にガードをさらに備えたことにより、リブと当接し進行方向が規制されたLED素子の発光部が、取り付け孔方向から外れることを防止できるので、より確実にLED素子の発光部を取り付け孔へ挿入することができる。 In the invention of claim 3, since the guard is further provided at least on both sides of the rib, it is possible to prevent the light emitting portion of the LED element, which is in contact with the rib and whose traveling direction is restricted, from being detached from the mounting hole direction, so it is more reliable. The light emitting part of the LED element can be inserted into the mounting hole.
この発明は、以上のように構成したことにより、ケースの開口にプリント基板を嵌入するだけで、LED素子の取り付け孔への挿入ができる。そのため、LED素子と取り付け孔との位置合わせの手間が省け、作業効率を向上させることができる。また、取り付け孔の内側にリブを設けただけなので、部品点数が少なくて済み、コストダウンも図れる。また、組立て作業が難しい、LED素子が取り付けられたプリント基板に対する直角方向に設けられた取り付け孔への挿入も簡単にできるので、取り付け孔や部品のレイアウト(デザイン)の自由度を向上させることができる。 Since the present invention is configured as described above, the LED element can be inserted into the mounting hole simply by fitting the printed board into the opening of the case. Therefore, the labor for positioning the LED element and the mounting hole can be saved, and the working efficiency can be improved. In addition, since the rib is only provided inside the mounting hole, the number of parts can be reduced and the cost can be reduced. In addition, it is difficult to assemble, and it can be easily inserted into a mounting hole provided in a direction perpendicular to the printed circuit board on which the LED element is mounted, so that the degree of freedom of layout (design) of the mounting hole and parts can be improved. it can.
以下、この発明を実施するための最良の形態を図面に基づいて説明する。図1に、この発明のLED素子3の取り付け構造を適用した無線機用の充電器10を示す。 The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 shows a wireless charger 10 to which the LED element 3 mounting structure of the present invention is applied.
前記充電器10は、図2に示すように、充電回路用のプリント基板2を収容したケース本体10aの上部に携帯式の無線機12を載置する装着部10bを形成した構造となっている。 As shown in FIG. 2, the charger 10 has a structure in which a mounting portion 10 b on which a portable wireless device 12 is placed is formed on an upper portion of a case body 10 a that houses a printed circuit board 2 for a charging circuit. .
ケース本体10aは、底面全体を開口13として開放し、その開放した開口13に金属製の裏蓋14をネジ止めする構造となっている。また、この開口13横のケース本体10aの前面に、表示用のLED素子3の発光部3aを挿入して取り付ける取り付け孔15が設けられている。すなわち、取り付け孔15は、後述するように、開口13に嵌入したプリント基板2の嵌入方向に対して直角方向に形成したもので、この取り付け孔15は、図1のように、ケース本体10aの前面に小さな凹部を設けて、その凹部内に形成してある。このようにすることにより、前記取り付け孔15から突出するLED素子3の発光部3aを保護するようにしてある。また、この取り付け孔15のケース本体内側には、フード状のカバー16が挿入孔17を開口13側にして設けてある。前記カバー16は、LED素子3の発光部3aが容易に挿入できる十分な大きさに形成したものである(このフード状のカバー16は、特許請求の範囲に記載したガードに対応するもので、本実施形態では、前記ガードをフード状のカバー形状としている)。このカバー16の内側の上部には、図1及び図2に示すような、直角三角形の斜辺を曲線とした3本のリブ18を、図3のように、並行に設けてある。このリブ18は、後述のように、カバー16内へ進入したLED素子3の発光部3aを取り付け孔15へ誘導する。なお、このようにリブ18を3本設けたのは、カバー16に進入したLED素子3の発光部3aとリブ18とが確実に当るようにするための工夫で、リブ18の数や幅は、LED素子3の発光部3aの大きさに合わせて変更できる。また、リブ18の形状は、前述のような直角三角形の斜辺を曲線とした形状に限定されるものではなく、例えば、直角三角形で構成し、直角三角形の斜辺で、LED素子3の発光部3aを取り付け孔15に誘導することもできる。 The case main body 10a has a structure in which the entire bottom surface is opened as an opening 13, and a metal back cover 14 is screwed to the opened opening 13. A mounting hole 15 is provided on the front surface of the case main body 10a next to the opening 13 to insert and attach the light emitting portion 3a of the LED element 3 for display. That is, as will be described later, the attachment hole 15 is formed in a direction perpendicular to the insertion direction of the printed circuit board 2 fitted in the opening 13, and the attachment hole 15 is formed in the case body 10a as shown in FIG. A small concave portion is provided on the front surface and formed in the concave portion. By doing in this way, the light emission part 3a of the LED element 3 which protrudes from the said attachment hole 15 is protected. Further, a hood-like cover 16 is provided inside the case main body of the attachment hole 15 with the insertion hole 17 on the opening 13 side. The cover 16 is formed in a size that allows the light emitting portion 3a of the LED element 3 to be easily inserted (this hood-like cover 16 corresponds to the guard described in the claims, In the present embodiment, the guard has a hood-like cover shape). As shown in FIGS. 1 and 2, three ribs 18 having a hypotenuse of a right triangle as a curve are provided in parallel on the upper part inside the cover 16 as shown in FIG. 3. As will be described later, the rib 18 guides the light emitting portion 3 a of the LED element 3 that has entered the cover 16 to the mounting hole 15. The three ribs 18 are provided in this way to ensure that the light emitting portion 3a of the LED element 3 that has entered the cover 16 and the ribs 18 are in contact with each other. The number and width of the ribs 18 are as follows. The LED element 3 can be changed according to the size of the light emitting part 3a. Further, the shape of the rib 18 is not limited to the shape in which the hypotenuse of the right triangle is curved as described above. For example, the rib 18 is configured by a right triangle, and the light emitting portion 3a of the LED element 3 is formed by the hypotenuse of the right triangle. Can also be guided to the mounting hole 15.
一方、ケース本体10a上部の装着部10bは、図1のように、両側と背面に支持壁19を設け、前方を開放した形状となっている。 On the other hand, the mounting portion 10b at the top of the case main body 10a has a shape in which support walls 19 are provided on both sides and the back surface and the front is opened as shown in FIG.
前記支持壁19は、両側に位置決め用の突部20を形成し、背面に嵌入溝21を形成して、前記突部20が装着した無線機12と係合し、無線機12の端子と背面の嵌入溝21に挿通する充電端子22とが接触するようにしてある。この背面の嵌入溝21は、下方のケース本体10aに貫通孔23で連通しており、図2のように、プリント基板2に立設した充電端子22を挿通するようになっている。なお、図中24は、無線機12が装着部10bに載置されたことを検出するための検出スイッチで、符号30は、AC電源コネクタ用の孔である。 The support wall 19 is formed with positioning protrusions 20 on both sides, and an insertion groove 21 is formed on the back surface, and engages with the radio device 12 to which the protrusion 20 is attached. The charging terminal 22 inserted through the insertion groove 21 is in contact. The insertion groove 21 on the back surface communicates with the lower case body 10a through a through hole 23, and the charging terminal 22 standing on the printed circuit board 2 is inserted as shown in FIG. In the figure, reference numeral 24 denotes a detection switch for detecting that the wireless device 12 is placed on the mounting portion 10b, and reference numeral 30 denotes an AC power connector hole.
プリント基板2は、ケース本体10aの開口13よりも少し小さな同じ形状をしたもので、ケース本体内に設けられたスペーサ25に支持(固定)されるようになっている。また、このプリント基板2は、パターン面2bに充電回路用の回路素子(図示せず)を搭載し、部品面2aにLED素子3や充電端子22及び電源(ACアダプター)アダプターポート(図示せず)、検出スイッチ24を搭載したもので、部品面2aのLED素子3は、図2のように、曲げ加工が施されたリード端子3bをパターン面2bに(プリント基板2を貫通して)ハンダ付けしている。このとき、曲げ加工が施されたリード端子3bに、リード端子3bをL字に折り曲げた屈曲部26を設けることで、後述するように、LED素子3のハンダ付け部27にストレスがかからないようにしてある。また、ここでは、LED素子3の発光部3aも前方側へ折り曲げて、後述のように、カバー16や取り付け孔15への係合をし易くしてある。 The printed circuit board 2 has the same shape a little smaller than the opening 13 of the case main body 10a, and is supported (fixed) by a spacer 25 provided in the case main body. The printed circuit board 2 has a circuit element (not shown) for a charging circuit mounted on the pattern surface 2b, and the LED element 3, the charging terminal 22 and a power supply (AC adapter) adapter port (not shown) on the component surface 2a. 2) The LED switch 3 on which the detection switch 24 is mounted and the LED element 3 on the component surface 2a is soldered to the pattern surface 2b (through the printed circuit board 2), as shown in FIG. It is attached. At this time, by providing a bent portion 26 obtained by bending the lead terminal 3b into an L shape on the bent lead terminal 3b, as will be described later, the soldered portion 27 of the LED element 3 is not stressed. It is. Further, here, the light emitting portion 3a of the LED element 3 is also bent forward to facilitate engagement with the cover 16 and the mounting hole 15 as will be described later.
他方、LED素子3と対する側(ケース本体10aの嵌入溝21と合致する位置)の充電端子22も、LED素子3と同様に、プリント基板2に一端を貫通させてハンダ面2bにハンダ付け27して立設するようにしてある。 On the other hand, the charging terminal 22 on the side facing the LED element 3 (the position matching the insertion groove 21 of the case body 10a) is also soldered to the solder surface 2b with one end penetrating the printed circuit board 2 like the LED element 3. It is supposed to stand up.
この形態は、上記のように構成されており、この形態の充電器10は、ケース本体10aの開口13に、LED素子3や充電端子22及び回路素子などを搭載したプリント基板2を嵌入して組立てる。 This form is configured as described above, and the charger 10 of this form has the printed circuit board 2 on which the LED element 3, the charging terminal 22, and the circuit element are mounted in the opening 13 of the case body 10 a. I'm assembling.
組立ては、プリント基板2のLED素子3が取り付けられたパターン面2b側をケース本体10aの開口13側に対向させて嵌入する。すると、LED素子3は、図4(a)のように、フード状のカバー16の挿入孔17内部へ進入する。さらに、嵌入を続けると、図4(b)のように、LED素子3の発光部3aがカバー16内上部のリブ18に当接し、進行方向が取り付け孔へと規制される。さらに、プリント基板2を開口へと嵌入すると、LED素子3の発光部3aは、リブに摺動しながら、図4(c)のように、取り付け孔15に臨む。このとき、リブ18からLED素子3の発光部3aへの押圧は、図4(c)の矢印のように加わるが、その押圧を屈曲部26が折れ曲がって吸収する。そのため、プリント基板2のパターン面2bのリード端子を取り付けたハンダ付け部27へのストレスを和らげて、ハンダ付け部27がダメージを受けるのを防止することができる。このように、ハンダ付け部27に加わるストレスを防止できるので、ハンダ付け部27が、完全、または不完全に外れることを防止し、例えば、点灯不良を起こさないようにできる。そして、LED素子3の発光部3aは、プリント基板2がケース本体内10aのスペーサ25に支持されると、図4(d)のように、取り付け孔15に挿入されることになる。また、前述の通り、LED素子3の発光部3aとリブ18とが当接や摺動によって、LED素子3にかかる押圧によっては、LED素子3の発光部3aの進行方向が取り付け孔15から外れてしまうことがある。しかし、進行方向が外れたままでプリント基板2をケース本体10aの開口内に嵌入し続けたとしても、フード状のカバー16のリブ18と並行な部分にLED素子3の発光部3aがぶつかり、進行方向の軌道修正をはかることができる。 For assembly, the pattern surface 2b side of the printed circuit board 2 to which the LED elements 3 are attached is fitted to face the opening 13 side of the case body 10a. Then, the LED element 3 enters the insertion hole 17 of the hood-shaped cover 16 as shown in FIG. Further, when the insertion is continued, as shown in FIG. 4B, the light emitting portion 3a of the LED element 3 comes into contact with the rib 18 at the upper part in the cover 16, and the traveling direction is restricted to the attachment hole. Further, when the printed board 2 is inserted into the opening, the light emitting portion 3a of the LED element 3 faces the mounting hole 15 as shown in FIG. At this time, the pressure from the rib 18 to the light emitting portion 3a of the LED element 3 is applied as indicated by the arrow in FIG. 4C, but the bent portion 26 is bent and absorbed. Therefore, it is possible to relieve stress on the soldering portion 27 to which the lead terminal of the pattern surface 2b of the printed circuit board 2 is attached, and to prevent the soldering portion 27 from being damaged. Thus, since the stress applied to the soldering portion 27 can be prevented, it is possible to prevent the soldering portion 27 from being completely or incompletely disengaged, for example, so as not to cause a lighting failure. The light emitting portion 3a of the LED element 3 is inserted into the mounting hole 15 as shown in FIG. 4D when the printed circuit board 2 is supported by the spacer 25 in the case body 10a. Further, as described above, the light emitting portion 3a of the LED element 3 and the rib 18 come into contact with each other and slide, so that the traveling direction of the light emitting portion 3a of the LED element 3 deviates from the mounting hole 15 depending on the pressure applied to the LED element 3. May end up. However, even if the printed circuit board 2 continues to be fitted into the opening of the case body 10a with the traveling direction deviated, the light emitting portion 3a of the LED element 3 collides with a portion parallel to the rib 18 of the hood-like cover 16 and proceeds. The direction trajectory can be corrected.
なお、この形態では、図2のように、LED素子3の発光部3aを前方側へ折り曲げて係合し易くしたが、取り付け孔15の位置やLED素子3のリード端子3bの屈曲性によっては折り曲げない場合でも、リブ18による誘導だけで取り付け孔15へ誘導できる。 In this embodiment, as shown in FIG. 2, the light emitting portion 3a of the LED element 3 is bent forward to facilitate engagement, but depending on the position of the mounting hole 15 and the flexibility of the lead terminal 3b of the LED element 3, Even when it is not bent, it can be guided to the mounting hole 15 only by the guide by the rib 18.
ちなみに、取り付け孔15へLED素子3の発光部3aを挿入するためのリード端子3bの長さは少し長めにしておけば、挿入の際にリード端子3bに設けた屈曲部26が吸収するので、精度は必要としない。 Incidentally, if the length of the lead terminal 3b for inserting the light emitting portion 3a of the LED element 3 into the mounting hole 15 is made slightly longer, the bent portion 26 provided in the lead terminal 3b absorbs at the time of insertion, Accuracy is not required.
また、このとき、プリント基板2の充電端子22も貫通孔23を介して嵌入溝21に挿通されるので、プリント基板2のケース本体10aへの嵌入ができる。後は、開口13に裏蓋14を嵌めてねじ止めすれば組立てが完了する。 At this time, since the charging terminal 22 of the printed circuit board 2 is also inserted through the insertion groove 21 through the through hole 23, the printed circuit board 2 can be inserted into the case body 10a. After that, if the back cover 14 is fitted into the opening 13 and screwed, the assembly is completed.
このように、プリント基板2を嵌入するたけで、位置合わせの手間を必要とせずに、LED素子3の取り付け孔15への挿入ができる。また、プリント基板2を開口13へ嵌入するだけでLED素子3の取り付け孔15へ挿入ができるので、ケース本体10aにプリント基板2を前進させるための余分なスペースを要しない。さらに、プリント基板2を開口13へ嵌入すれば良いので、プリント基板2に、LED素子3以外のケースから露出させる充電端子22や検出スイッチ24があっても構わない。また、挿入の難しいプリント基板2の嵌入方向に対して直角方向の取り付け孔15へのLED素子3の挿入ができるので、取り付け孔15や部品(例えば、LED素子、端子、スイッチなど)のレイアウト(デザイン形状)を自由に設定できる。 Thus, the insertion of the LED element 3 into the mounting hole 15 can be performed only by inserting the printed circuit board 2 without the need for alignment. Moreover, since it can insert in the attachment hole 15 of LED element 3 only by inserting the printed circuit board 2 in the opening 13, the extra space for advancing the printed circuit board 2 to the case main body 10a is not required. Furthermore, since the printed circuit board 2 may be inserted into the opening 13, the printed circuit board 2 may have a charging terminal 22 or a detection switch 24 that is exposed from a case other than the LED element 3. Further, since the LED element 3 can be inserted into the mounting hole 15 in a direction perpendicular to the insertion direction of the printed circuit board 2 that is difficult to insert, the layout of the mounting hole 15 and components (for example, LED element, terminal, switch, etc.) ( Design shape can be set freely.
なお、本実施形態では、プリント基板2と取り付け孔15とが直角方向となる位置関係について説明したが、プリント基板2と取り付け孔15とが、直角方向となる位置関係に限るものではない。例えば、プリント基板2と取り付け孔15とが並行となる位置関係であっても、プリント基板2のLED素子3のハンダ付け部27の鉛直方向に取り付け孔15が設けられていない場合に、リブ18をケース本体10aの内側の取り付け孔15の近傍に設けることで、LED素子3の発光部3aを取り付け孔15へ誘導し取り付け孔15へ簡単に挿入することが可能である。 In the present embodiment, the positional relationship in which the printed circuit board 2 and the attachment hole 15 are perpendicular to each other has been described. However, the positional relationship in which the printed circuit board 2 and the attachment hole 15 are perpendicular to each other is not limited. For example, even if the printed circuit board 2 and the mounting hole 15 are in a parallel positional relationship, the rib 18 is not provided in the vertical direction of the soldering portion 27 of the LED element 3 of the printed circuit board 2. Is provided in the vicinity of the mounting hole 15 inside the case main body 10 a, so that the light emitting part 3 a of the LED element 3 can be guided to the mounting hole 15 and can be easily inserted into the mounting hole 15.
この発明は、プリント基板を嵌入するたけで、位置合わせの手間を必要とせずに、LED素子を挿入の難しいプリント基板2の嵌入方向に対して直角方向の取り付け孔へ簡単に取り付けられるので、分野を問わず充電器以外の様々な機器の表示に利用できる。 Since the present invention simply attaches a printed circuit board and does not require alignment, the LED element can be easily attached to a mounting hole perpendicular to the insertion direction of the printed circuit board 2 that is difficult to insert. It can be used to display various devices other than chargers.
実施形態の斜視図Perspective view of an embodiment 実施形態の縦断面図Vertical sectional view of the embodiment 実施形態の要部の横断面図Cross-sectional view of the main part of the embodiment (a)〜(d)実施形態の作用説明図(A)-(d) Action explanatory drawing of embodiment 従来例の縦断面図Vertical section of conventional example
符号の説明Explanation of symbols
2 プリント基板
2a 部品面
2b パターン面
3 LED素子
3a 発光部
3b リード端子
10a ケース本体
13 開口
15 取り付け孔
16 カバー
17 挿入孔
18 リブ
26 屈曲部
27 ハンダ付け部
2 Printed circuit board 2a Component surface 2b Pattern surface 3 LED element 3a Light emitting portion 3b Lead terminal 10a Case body 13 Opening 15 Mounting hole 16 Cover 17 Inserting hole 18 Rib 26 Bending portion 27 Soldering portion

Claims (3)

  1. 発光部とリード端子からなる発光ダイオード素子と、
    前記発光ダイオード素子のリード端子がハンダ付けされるプリント基板と、
    前記発光部が挿入される取り付け孔を有する電子機器ケースを備えた電子機器における発光ダイオードの取り付け構造であって、
    前記電子機器ケースの内側の前記取り付け孔近傍にリブを備え、
    前記リブは、前記電子機器ケースの開口と前記プリント基板とを対向させて嵌入すると、前記発光部と当接し、前記発光部の進行方向を前記取り付け孔へと規制することで前記発光部を前記取り付け孔へ誘導することを特徴とする発光ダイオード素子の取り付け構造。
    A light emitting diode element comprising a light emitting portion and a lead terminal;
    A printed circuit board on which the lead terminals of the light emitting diode elements are soldered;
    A light emitting diode mounting structure in an electronic device having an electronic device case having a mounting hole into which the light emitting unit is inserted,
    A rib is provided near the mounting hole inside the electronic device case,
    When the rib is inserted so that the opening of the electronic device case and the printed circuit board are opposed to each other, the rib contacts the light emitting portion, and restricts the traveling direction of the light emitting portion to the mounting hole, thereby restricting the light emitting portion to the mounting hole. A structure for mounting a light-emitting diode element, characterized by being guided to a mounting hole.
  2. 上記発光ダイオード素子のリード端子に、少なくとも1箇所の屈曲部を設けたことを特徴とする請求項1に記載の発光ダイオード素子の取り付け構造。 2. The light emitting diode element mounting structure according to claim 1, wherein at least one bent portion is provided on a lead terminal of the light emitting diode element.
  3. 上記リブの少なくとも両隣にガードをさらに備え、
    前記ガードは、前記リブと当接し進行方向が規制された前記発光部が、前記取り付け孔方向から外れることを防止することを特徴とする請求項1または2に記載の発光ダイオード素子の取り付け構造。
    A guard is further provided at least on both sides of the rib,
    3. The light emitting diode element mounting structure according to claim 1, wherein the guard prevents the light emitting portion that is in contact with the rib and whose traveling direction is restricted from being detached from the mounting hole direction.
JP2007330523A 2007-12-21 2007-12-21 Fitting structure of light-emitting diode element Pending JP2009152473A (en)

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Cited By (1)

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JP2012139748A (en) * 2010-12-28 2012-07-26 Hitachi Koki Co Ltd Power tool

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