JP2000340971A - Printed board fixing mechanism - Google Patents
Printed board fixing mechanismInfo
- Publication number
- JP2000340971A JP2000340971A JP11153800A JP15380099A JP2000340971A JP 2000340971 A JP2000340971 A JP 2000340971A JP 11153800 A JP11153800 A JP 11153800A JP 15380099 A JP15380099 A JP 15380099A JP 2000340971 A JP2000340971 A JP 2000340971A
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- fixing mechanism
- screw seat
- screw
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電子機器の合成樹
脂製のベースにプリント基板を取り付けるプリント基板
固定機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed board fixing mechanism for mounting a printed board on a synthetic resin base of electronic equipment.
【０００２】[0002]
【従来の技術】電子機器の小型化に伴いプリント基板へ
の電子部品の高密度実装化が進んできており、プリント
基板のデッドスペースを極力少なくしてプリント基板の
スペースを有効に使用することが求められている。この
課題を解決するプリント基板固定機構が特開平７−２９
７５７３号に開示されている。このプリント基板固定機
構について、特開平７−２９７５７３号の一部を図４と
以下に引用して説明する。図に示すように、プリント基
板１には、その４隅に基板固定用のねじ４が通る穴２お
よびねじが通る穴２の近傍に位置した位置決め穴５が開
けられている。ねじが通る穴２に対応して、固定用のね
じ４が螺合するねじ穴３ａを頂点に垂直に備えたねじ座
３が、電子機器の合成樹脂製のベース７に設けられてお
り、頂点のねじ穴３ａの近傍に位置決め穴５に対応して
位置決め穴５に嵌入する位置決めピン６が突設されてい
る。ねじ座３は、位置決めピン６とともに、電子機器の
合成樹脂製のベース７にモールドにより一体成形されて
いる。2. Description of the Related Art With the miniaturization of electronic equipment, high-density mounting of electronic components on printed circuit boards has been progressing, and it is possible to effectively use printed circuit board space by minimizing the dead space of printed circuit boards. It has been demanded. A printed circuit board fixing mechanism for solving this problem is disclosed in Japanese Patent Laid-Open No. 7-29.
No. 7573. This printed circuit board fixing mechanism will be described with reference to FIG. 4 and a part of Japanese Patent Application Laid-Open No. 7-297573. As shown in the figure, the printed board 1 is provided with holes 2 through which screws 4 for fixing the board pass and positioning holes 5 located near the holes 2 through which the screws pass. A screw seat 3 having a screw hole 3a into which a screw 4 for fixing is screwed vertically at a vertex corresponding to the hole 2 through which the screw passes is provided on a synthetic resin base 7 of the electronic device. In the vicinity of the screw hole 3a, a positioning pin 6 that fits into the positioning hole 5 is provided in a protruding manner so as to correspond to the positioning hole 5. The screw seat 3 and the positioning pin 6 are integrally formed on a synthetic resin base 7 of an electronic device by molding.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記のプリ
ント基板固定機構は、プリント基板１の位置決め穴５に
位置決めピン６を嵌入することにより位置決めを行なう
ようにしており、嵌入するとき位置決めピン６がプリン
ト基板１の下に隠れ、位置決めピン６に位置決め穴５を
合わすのが案外難しく作業性が問題である。従って、本
発明は上記の問題点を解決するためになされたもので、
プリント基板のデッドスペースを極力少なくしたうえ
で、プリント基板を電子機器の合成樹脂製のベースに取
り付けるときのプリント基板の位置決めを容易としたプ
リント基板固定機構を提供することを目的とする。The above-mentioned printed board fixing mechanism performs positioning by fitting a positioning pin 6 into a positioning hole 5 of the printed board 1. When the fitting is performed, the positioning pin 6 is moved. It is unexpectedly difficult to cover the positioning hole 5 with the positioning pin 6 by being hidden under the printed circuit board 1, and the workability is a problem. Therefore, the present invention has been made to solve the above problems,
It is an object of the present invention to provide a printed circuit board fixing mechanism in which the dead space of the printed circuit board is reduced as much as possible, and the printed circuit board is easily positioned when the printed circuit board is mounted on a synthetic resin base of an electronic device.
【０００４】[0004]
【課題を解決するための手段】（１）本発明に係わるプ
リント基板固定機構は、電子機器の合成樹脂製のベース
にプリント基板を取り付けるプリント基板固定機構にお
いて、前記ベースに一体成形され前記プリント基板の少
なくとも対角の２隅をねじ止めするねじ座と、このねじ
座に一体成形されて突設され前記プリント基板の前記隅
の２辺端面に当接してプリント基板を位置決めする突起
部とを具備したことを特徴とする。 （２）本発明に係わるプリント基板固定機構は上記
（１）項において、前記ねじ座が円柱形で、前記突起部
が前記ねじ座の側面に一体成形された２個所のリブに突
設されたことを特徴とする。 （３）本発明に係わるプリント基板固定機構は上記
（１）項において、前記ねじ座が多角柱形で、前記突起
部が前記ねじ座の２個所に突設されたことを特徴とす
る。 （４）本発明に係わるプリント基板固定機構は上記
（１）項において、前記ねじ座が多角柱形で、前記突起
部がＬ字形に突設されたことを特徴とする。 （５）本発明に係わるプリント基板固定機構は上記
（１）項において、前記ねじ座が円柱形と多角柱形との
複合形で、前記突起部が前記ねじ座の２個所に突設され
たことを特徴とする。 （６）本発明に係わるプリント基板固定機構は上記
（１）項において、前記ねじ座が円柱形と多角柱形との
複合形で、前記突起部が鉤型に突設されたことを特徴と
する。(1) A printed board fixing mechanism according to the present invention is a printed board fixing mechanism for mounting a printed board on a synthetic resin base of electronic equipment. A screw seat for screwing at least two diagonal corners of the printed circuit board; and a protruding portion integrally formed with the screw seat and protruding and abutting on two side end faces of the corner of the printed board to position the printed board. It is characterized by having done. (2) In the printed circuit board fixing mechanism according to the present invention, in the above item (1), the screw seat is cylindrical, and the projecting portion is provided on two ribs integrally formed on a side surface of the screw seat. It is characterized by the following. (3) The printed circuit board fixing mechanism according to the present invention is characterized in that, in the above item (1), the screw seat has a polygonal prism shape, and the projections are provided at two positions of the screw seat. (4) The printed circuit board fixing mechanism according to the present invention is characterized in that, in the above item (1), the screw seat has a polygonal column shape, and the projection has an L-shape. (5) In the printed circuit board fixing mechanism according to the present invention, in the above item (1), the screw seat is a composite shape of a cylindrical shape and a polygonal pillar shape, and the projections are provided at two positions of the screw seat. It is characterized by the following. (6) The printed circuit board fixing mechanism according to the present invention is characterized in that, in the above item (1), the screw seat is a composite shape of a cylindrical shape and a polygonal shape, and the protrusion is provided in a hook shape. I do.
【０００５】[0005]
【発明の実施の形態】以下に、本発明に基づき第１実施
例のプリント基板固定機構を図１を参照して説明する。
図に示すように、プリント基板１１には、その少なくと
も対角の２隅に基板固定用のねじ１４が通る穴１２が開
けられている。ねじが通る穴１２に対応して、固定用の
ねじ１４が螺合するねじ穴１３ａを備えた円柱形のねじ
座１３が電子機器の合成樹脂製のベース１７に設けられ
ており、ねじ座１３の外周にはベース１７に垂直で、か
つ、プリント基板１１の隅の２辺端面に円の中心からそ
れぞれ垂直にリブ１８を設け、これらのリブ１８上に、
プリント基板１１の隅の２辺に当接することによりプリ
ント基板１１の位置決めを行なう突起部１９を突設して
いる。ねじ座１３は、リブ１８および突起部１９ととも
に、電子機器の合成樹脂製のベース１７にモールドによ
り一体成形されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A printed circuit board fixing mechanism according to a first embodiment of the present invention will be described below with reference to FIG.
As shown in the drawing, a hole 12 through which a screw 14 for fixing the substrate passes is formed in at least two diagonal corners of the printed circuit board 11. A cylindrical screw seat 13 having a screw hole 13a into which a fixing screw 14 is screwed is provided in a synthetic resin base 17 of the electronic device corresponding to the hole 12 through which the screw passes. Ribs 18 are provided on the outer periphery of the ribs perpendicularly to the base 17 and on the two side end faces of the corners of the printed circuit board 11 from the center of the circle, respectively.
Protrusions 19 that project on the printed circuit board 11 by abutting two corners of the printed circuit board 11 are provided. The screw seat 13, together with the ribs 18 and the projections 19, are integrally formed on a synthetic resin base 17 of an electronic device by molding.
【０００６】上記構成のプリント基板固定機構によれ
ば、プリント基板１１をベース１７に取り付けるとき、
プリント基板１１の少なくとも対角の２隅を突起部１９
に当接しながらプリント基板１１をねじ座１３に置くだ
けで容易にプリント基板１１は水平方向に位置決めさ
れ、プリント基板１１のねじが通る穴１２とねじ座１３
のねじ穴１３ａとは精度よく同心になり、固定用のねじ
１４によりプリント基板１１をねじ座１３に固定するこ
とができる。According to the printed board fixing mechanism having the above structure, when the printed board 11 is mounted on the base 17,
At least two diagonal corners of the printed circuit board 11 are
The printed circuit board 11 can be easily positioned in the horizontal direction simply by placing the printed circuit board 11 on the screw seat 13 while abutting on the screw holes 13 and the screw holes 13 of the printed board 11.
The printed circuit board 11 can be fixed to the screw seat 13 by the fixing screw 14 with high precision and concentricity with the screw hole 13a.
【０００７】次に第２実施例を図２を参照して説明す
る。図２（ａ）に示すように、固定用のねじが螺合する
ねじ穴２３ａを備えた多角柱形のねじ座２３上に、プリ
ント基板の隅の２辺端面にそれぞれ当接することにより
プリント基板の位置決めを行なう２個所の突起部２９を
突設している。ねじ座２３は図１に示すねじ座１３と同
様に電子機器の合成樹脂製のベースに設けられており、
突起部２９とともに、モールドにより一体成形されてい
る。尚、突起部２９を２個所に設ける代わりに、図２
（ｂ）に示すように、１個所でＬ字形にした突起部２
９’を設けてもよい。Next, a second embodiment will be described with reference to FIG. As shown in FIG. 2A, the printed circuit board is brought into contact with two end surfaces of the corners of the printed circuit board on a polygonal column-shaped screw seat 23 having a screw hole 23a into which a fixing screw is screwed. The two projecting portions 29 for positioning are projected. The screw seat 23 is provided on a synthetic resin base of an electronic device, similarly to the screw seat 13 shown in FIG.
Together with the projection 29, it is integrally formed by a mold. It should be noted that instead of providing the protrusions 29 at two places, FIG.
(B) As shown in FIG.
9 'may be provided.
【０００８】次に第３実施例を図３を参照して説明す
る。図３（ａ）に示すように、固定用のねじが螺合する
ねじ穴３３ａを備えた円柱形と多角柱形との複合形のね
じ座３３上に、プリント基板１１の隅の２辺端面にそれ
ぞれ当接することによりプリント基板の位置決めを行な
う２個所の突起部３９を突設している。ねじ座３３は、
図１に示すねじ座１３と同様に電子機器の合成樹脂製の
ベースに設けられており、突起部３９とともに、モール
ドにより一体成形されている。尚、突起部３９を２個所
に設ける代わりに、図３（ｂ）に示すように、１個所で
Ｌ字形にした突起部３９’を設けてもよい。Next, a third embodiment will be described with reference to FIG. As shown in FIG. 3A, two side end faces of a corner of the printed circuit board 11 are provided on a screw seat 33 of a cylindrical shape and a polygonal shape having a screw hole 33 a into which a fixing screw is screwed. And two projections 39 for positioning the printed circuit board by making contact with the projections 39, respectively. Screw seat 33 is
Similar to the screw seat 13 shown in FIG. 1, the screw seat 13 is provided on a synthetic resin base of an electronic device, and is integrally formed with a projection 39 by molding. Instead of providing the projections 39 at two locations, an L-shaped projection 39 'may be provided at one location as shown in FIG. 3B.
【０００９】[0009]
【発明の効果】本発明に係わるプリント基板固定機構に
よれば、プリント基板のデッドスペースを少なくできて
プリント基板のスペースを有効に使用することができる
とともに、プリント基板を電子機器の樹脂ケースに取り
付けるときのプリント基板の位置決めが容易であり作業
性がよくなる。According to the printed board fixing mechanism according to the present invention, the dead space of the printed board can be reduced and the space of the printed board can be effectively used, and the printed board is mounted on the resin case of the electronic device. In such a case, the positioning of the printed circuit board is easy and workability is improved.
【図１】 本発明の第１実施例のプリント基板固定機構
を示し、（ａ）は分解斜視図、（ｂ）は側面図。1A and 1B show a printed circuit board fixing mechanism according to a first embodiment of the present invention, wherein FIG. 1A is an exploded perspective view and FIG. 1B is a side view.
【図２】 （ａ）は本発明の第２実施例のプリント基板
固定機構のネジ座と突起部の平面図、（ｂ）は変形例の
ネジ座と突起部の平面図。2A is a plan view of a screw seat and a protrusion of a printed circuit board fixing mechanism according to a second embodiment of the present invention, and FIG. 2B is a plan view of a screw seat and a protrusion of a modified example.
【図３】 （ａ）は本発明の第２実施例のプリント基板
固定機構のネジ座と突起部の平面図、（ｂ）は変形例の
ネジ座と突起部の平面図。3A is a plan view of a screw seat and a protrusion of a printed circuit board fixing mechanism according to a second embodiment of the present invention, and FIG. 3B is a plan view of a screw seat and a protrusion of a modified example.
【図４】従来のプリント基板固定機構を示し、（ａ）は
分解斜視図、（ｂ）は断面図。4A and 4B show a conventional printed circuit board fixing mechanism, in which FIG. 4A is an exploded perspective view, and FIG.
１１ プリント基板 １２ ねじが通る穴 １４ 固定用のねじ １７ ベース １３，２３，３３ ねじ座 １３ａ，２３ａ，３３ａ ねじ穴 １８ リブ １９，２９，２９’，３９，３９’ 突起部 DESCRIPTION OF SYMBOLS 11 Printed circuit board 12 Hole through which screw passes 14 Fixing screw 17 Base 13,23,33 Screw seat 13a, 23a, 33a Screw hole 18 Rib 19,29,29 ', 39,39' Projection
Claims (6)
基板を取り付けるプリント基板固定機構において、 前記ベースに一体成形され前記プリント基板の少なくと
も対角の２隅をねじ止めするねじ座と、このねじ座に一
体成形されて突設され前記プリント基板の前記隅の２辺
端面に当接してプリント基板を位置決めする突起部とを
具備したことを特徴とするプリント基板固定機構。1. A printed circuit board fixing mechanism for mounting a printed circuit board on a synthetic resin base of an electronic device, comprising: a screw seat formed integrally with the base and screwing at least two diagonal corners of the printed circuit board; A printed circuit board fixing mechanism, wherein the printed circuit board fixing mechanism is provided with a projection formed integrally with the seat and protruding from the seat to abut on the two end surfaces of the corners of the printed circuit board to position the printed circuit board.
ねじ座の側面に一体成形された２個所のリブに突設され
たことを特徴とする請求項１記載のプリント基板固定機
構。2. The printed circuit board fixing mechanism according to claim 1, wherein said screw seat has a cylindrical shape, and said protrusion is provided on two ribs integrally formed on a side surface of said screw seat. .
記ねじ座の２個所に突設されたことを特徴とする請求項
１記載のプリント基板固定機構。3. The printed circuit board fixing mechanism according to claim 1, wherein said screw seat has a polygonal prism shape, and said projections are provided at two positions of said screw seat.
字形に突設されたことを特徴とする請求項１記載のプリ
ント基板固定機構。4. The screw seat has a polygonal column shape, and the protrusion has an L shape.
2. The printed board fixing mechanism according to claim 1, wherein the printed board fixing mechanism is formed in a protruding shape.
で、前記突起部が前記ねじ座の２個所に突設されたこと
を特徴とする請求項１記載のプリント基板固定機構。5. The printed circuit board fixing mechanism according to claim 1, wherein said screw seat has a composite shape of a cylindrical shape and a polygonal pillar shape, and said protrusions are provided at two positions of said screw seat. .
で、前記突起部がＬ字形に突設されたことを特徴とする
請求項１記載のプリント基板固定機構。6. The printed circuit board fixing mechanism according to claim 1, wherein said screw seat is a composite shape of a cylindrical shape and a polygonal shape, and said projection is provided in an L-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11153800A JP2000340971A (en) | 1999-06-01 | 1999-06-01 | Printed board fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11153800A JP2000340971A (en) | 1999-06-01 | 1999-06-01 | Printed board fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000340971A true JP2000340971A (en) | 2000-12-08 |
Family
ID=15570413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11153800A Pending JP2000340971A (en) | 1999-06-01 | 1999-06-01 | Printed board fixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000340971A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007317946A (en) * | 2006-05-26 | 2007-12-06 | Fujitsu Access Ltd | Attaching structure for printed board |
| JP2008218845A (en) * | 2007-03-06 | 2008-09-18 | Funai Electric Co Ltd | Substrate positioning structure and thin display device |
| JP2009075387A (en) * | 2007-09-21 | 2009-04-09 | Funai Electric Co Ltd | Liquid crystal module |
| JP2013222744A (en) * | 2012-04-13 | 2013-10-28 | Kyocera Corp | Electronic apparatus |
| CN109046861A (en) * | 2018-09-06 | 2018-12-21 | 广东奥迪威传感科技股份有限公司 | Atomising head and atomization amount adjustment method based on it |
-
1999
- 1999-06-01 JP JP11153800A patent/JP2000340971A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007317946A (en) * | 2006-05-26 | 2007-12-06 | Fujitsu Access Ltd | Attaching structure for printed board |
| JP4641004B2 (en) * | 2006-05-26 | 2011-03-02 | 富士通テレコムネットワークス株式会社 | PCB mounting structure |
| JP2008218845A (en) * | 2007-03-06 | 2008-09-18 | Funai Electric Co Ltd | Substrate positioning structure and thin display device |
| JP2009075387A (en) * | 2007-09-21 | 2009-04-09 | Funai Electric Co Ltd | Liquid crystal module |
| JP2013222744A (en) * | 2012-04-13 | 2013-10-28 | Kyocera Corp | Electronic apparatus |
| CN109046861A (en) * | 2018-09-06 | 2018-12-21 | 广东奥迪威传感科技股份有限公司 | Atomising head and atomization amount adjustment method based on it |
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