JPH06196833A - Mounting structure of printed board - Google Patents
Mounting structure of printed boardInfo
- Publication number
- JPH06196833A JPH06196833A JP34573092A JP34573092A JPH06196833A JP H06196833 A JPH06196833 A JP H06196833A JP 34573092 A JP34573092 A JP 34573092A JP 34573092 A JP34573092 A JP 34573092A JP H06196833 A JPH06196833 A JP H06196833A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- printed board
- hole
- printed
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/366—Assembling printed circuits with other printed circuits substantially perpendicularly to each other
Landscapes
- Combinations Of Printed Boards (AREA)
Abstract
Description
【産業上の利用分野】この発明は電子機器におけるプリ
ント基板の組立構造に係り、特にプリント基板上に他の
プリント基板を直角に取付けるのに好適なプリント基板
取付け構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed circuit board assembly structure for an electronic device, and more particularly to a printed circuit board mounting structure suitable for mounting another printed circuit board on the printed circuit board at a right angle.
【従来技術】従来、電子機器の回路部において、メイン
となるプリント基板にサブのプリント基板を直角に立て
て取付ける構造としては、図４に示すものが提供されて
いた。図４は従来例におけるプリント基板取付け構造を
示す分解斜視図である。従来のプリント基板取付け構造
では、メインのプリント基板１１に長方形の２つの角孔
１１ａを設け、一方サブとなるプリント基板１２には、
各基端部角１２ｂが直角な２つの突出部１２ａを設け、
この２つの突出部１２ａを２つの角孔１１ａにそれぞれ
嵌合することにより、プリント基板１１に対しプリント
基板１２を直角に立てて取付けていた。2. Description of the Related Art Conventionally, in a circuit portion of an electronic device, a structure shown in FIG. 4 has been provided as a structure in which a sub-printed board is erected at a right angle to a main printed board. FIG. 4 is an exploded perspective view showing a conventional printed circuit board mounting structure. In the conventional printed circuit board mounting structure, two rectangular rectangular holes 11a are provided in the main printed circuit board 11, and one of the sub printed circuit boards 12 is
Providing two projecting portions 12a where each base end corner 12b is at a right angle,
By fitting the two protrusions 12a into the two square holes 11a, the printed circuit board 12 is mounted upright at a right angle to the printed circuit board 11.
【発明が解決しようとする課題】しかし、上記した従来
のプリント基板取付け構造は、プリント基板１２の突出
部１２ａが嵌合し易いように、プリント基板１１に設け
られた角孔１１ａの縦横寸法にクリアランスを少し大き
くとっていたので、プリント基板１２は傾いたり倒れた
りし易かった。また、上記プリント基板１２の傾きや倒
れを無くすため、突出部１２ａと角孔１１ａとのクリア
ランス（隙間）を小さくすると、上記角孔１１ａにプリ
ント基板１２の突出部１２ａが嵌合しにくくなり、作業
性が低下するという問題があった。この発明は上記した
点に鑑みてなされたものであり、その目的とするところ
は従来例の欠点を解消し、傾くことなく直角に取付ける
ことができ、且つ嵌め込み作業が容易なプリント基板取
付け構造を提供するところにある。However, in the above-mentioned conventional printed circuit board mounting structure, the rectangular holes 11a provided in the printed circuit board 11 have vertical and horizontal dimensions so that the projections 12a of the printed circuit board 12 can be easily fitted. Since the clearance was set a little larger, the printed circuit board 12 was easy to tilt or fall. If the clearance (gap) between the protrusion 12a and the square hole 11a is reduced in order to prevent the printed board 12 from tilting or collapsing, the protrusion 12a of the printed board 12 is less likely to fit into the square hole 11a. There was a problem that workability was reduced. The present invention has been made in view of the above points, and an object of the invention is to solve the drawbacks of the conventional example and to provide a printed circuit board mounting structure which can be mounted at a right angle without tilting and which is easy to fit. It is in the place of providing.
【課題を解決するための手段】この発明のプリント基板
取付け構造は、第１プリント基板上に第２プリント基板
を略直角に取付ける構造であって、前記第１プリント基
板に設けた角孔の長さ方向の両端で幅方向に対をなす角
のうち少なくとも一方の端の対をなす角を円弧状とし、
前記第２プリント基板に設けた突出部の基端部角のうち
少なくとも一方を円弧状として、前記第１プリント基板
の孔の円弧状部と、前記第２プリント基板突出部の円弧
状部とを対応させ、前記第１プリント基板の孔に前記第
２プリント基板の突出部を嵌合するよう構成したもので
ある。The printed circuit board mounting structure of the present invention is a structure for mounting a second printed circuit board on a first printed circuit board at a substantially right angle, and the length of a square hole provided in the first printed circuit board. Of the angles forming a pair in the width direction at both ends in the vertical direction, the angle forming a pair at least at one end is an arc shape,
At least one of the base end corners of the protrusion provided on the second printed circuit board is arcuate, and the arcuate portion of the hole of the first printed circuit board and the arcuate portion of the second printed circuit board protrusion are formed. Correspondingly, the protrusion of the second printed circuit board is fitted in the hole of the first printed circuit board.
【作用】この発明によれば、第１プリント基板の孔の円
弧状部と、第２プリント基板突出部の円弧状部とを対応
させ、第１プリント基板の孔に第２プリント基板の突出
部を嵌合するので、第１プリント基板の孔に嵌め込まれ
た突出部の稜線部４箇所が、孔の円弧状部によって強く
圧接される。そして、この孔の円弧部によって発生する
幅方向の分力により、突出部は両側から押圧され、所定
のクリアランスで生じる幅方向のガタは無くなる。ま
た、突出部の基端部角の円弧状部が、孔の円弧状部と強
く圧接し合うことによって発生する長さ方向の分力によ
り、突出部は両端から押圧され、孔の長さ方向に設定さ
れた所定のクリアランスで生じるガタは無くなる。この
ように、孔の円弧状部と突出部の円弧状部の作用によ
り、第２プリント基板は第１プリント基板上に傾くこと
なく直角に取付けられる。According to the present invention, the arcuate portion of the hole of the first printed board and the arcuate portion of the protruding portion of the second printed board are made to correspond to each other, and the protruding portion of the second printed board is inserted into the hole of the first printed board. Is fitted, the four ridge line portions of the projecting portion fitted into the hole of the first printed circuit board are strongly pressed by the arcuate portion of the hole. Then, due to the component force in the width direction generated by the arc portion of the hole, the protrusion is pressed from both sides, and the rattling in the width direction caused by the predetermined clearance is eliminated. Also, the arcuate portion at the base end angle of the protrusion is pressed from both ends by the component force in the longitudinal direction generated by the strong pressure contact with the arcuate portion of the hole, and the protrusion is pressed from both ends. There is no backlash caused by the predetermined clearance set for. In this way, the second printed circuit board is mounted on the first printed circuit board at a right angle without tilting due to the action of the arcuate portion of the hole and the arcuate portion of the protruding portion.
【実施例】この発明に係るプリント基板取付け構造の実
施例を図１乃至図３に基づき説明する。図１は本発明の
第１実施例を示す図であり、（Ａ）は水平に設置され嵌
合用の孔を有した第１プリント基板の正面図、（Ｂ）は
嵌合用の突出部を有した第２プリント基板の正面図であ
る。図２は本発明の第１実施例を示す分解斜視図であ
る。図３は本発明の第２実施例を示す分解斜視図であ
る。図１および図２に示す第１実施例において、１は水
平に設置されメインとなる第１プリント基板であり、角
孔の各角４箇所をこの角孔の幅の１／２を半径とするＲ
（丸み）形状とした円弧部１ｂを有した２つの長円孔１
ａが設けられている。２はサブとなる第２プリント基板
であり、長円孔１ａと嵌合する２つの突出部２ａが設け
られ、基端部角２ｂ、２ｃは総べて円弧状になってい
る。２ｄは突出部２ａの稜線部である。Ａ、Ｂは長円孔
１ａの長さおよび幅を示している。Ｃは突出部２ａの長
さを示している。Ｔは第２プリント基板２の厚さを示し
ている。なお、第１プリント基板１の長円孔１ａの長さ
Ａは、第２プリント基板２における突出部２ａの長さＣ
より１０％〜３０％大きくなっている。また、長円孔１
ａの幅Ｂは第２プリント基板２の厚さＴより５〜２０％
大きくなっている。このように、長円孔１ａは長さＡ方
向および幅Ｂ方向共に所定のクリアランスが設けられて
いる。以上のように構成された第１実施例の作用を説明
する。水平に設置された第１プリント基板１の２つの長
円孔１ａに、第２プリント基板２の両突出部２ａを上か
ら嵌合して直角に立てる。このとき、第１プリント基板
１の２つの長円孔１ａに嵌め込まれた第２プリント基板
２の両突出部２ａの各稜線部２ｄが、両長円孔１ａの各
円弧部１ｂによって強く圧接される。そして、この両長
円孔１ａの円弧部１ｂによって発生する幅方向の分力に
より、両突出部２ａはそれぞれ両側から押圧され、所定
のクリアランスで生じる幅Ｂ方向のガタは無くなる。ま
た、第２プリント基板２に設けられた両突出部２ａの基
端部角２ｂ、２ｃの円弧状部が、両長円孔１ａの円弧状
部１ｂと強く圧接し合う。これによって発生する長さ方
向の分力により、両突出部２ａはそれぞれ両端から押圧
され、長円孔１ａの長さＡ方向に設定された所定のクリ
アランスで生じるガタは無くなる。このように、長円孔
１ａの長さＡおよび幅Ｂ方向に所定のクリアランスを設
けてあっても、第１プリント基板１の両長円孔１ａに嵌
め込まれた第２プリント基板２の両突出部２ａは、何れ
の方向にもガタを生じず強固に保持される。図３に示す
第２実施例において、１ｃは変形孔であり、第１プリン
ト基板１上に２つ設けられ、左端が角形部１ｄで右端が
第１実施例と同様の円弧状の円弧部１ｂになっている。
また、第２プリント基板２の突出部２ａの基端部角２ｂ
は直角になっており、基端部角２ｃは第１実施例と同様
の円弧状になっている。以上のように構成された第２実
施例の作用を説明する。水平に設置された第１プリント
基板１の２つの変形孔１ｃに、第２プリント基板２の両
突出部２ａを上から嵌合して直角に立てる。このとき、
第１プリント基板１の２つの変形孔１ｃに嵌め込まれた
第２プリント基板２に設けられた両突出部２ａの基端部
角２ｃ側の２つの稜線部２ｄが、両変形孔１ｃの円弧部
１ｂによって強く圧接される。そして、この両変形孔１
ｃの円形部１ｂによって発生する幅Ｂ方向の分力によ
り、両突出部２ａは両側から押圧され、所定のクリアラ
ンスで生じる幅Ｂ方向のガタは無くなる。また、第２プ
リント基板２に設けられた両突出部２ａの基端部２ｃの
円弧状部が、両変形孔１ｃの円弧部１ｂと強く圧接し合
うことによって発生する長さＡ方向の分力により、両突
出部２ａは角形部１ｄの方向へ押圧され、変形孔１ｃの
長さＡ方向に設定された所定のクリアランスで生じるガ
タは無くなる。このように、変形孔１ｃの長さＡおよび
幅Ｂ方向に所定のクリアランスを設けてあっても、前記
の第１実施例と同様に、第１プリント基板１の両変形孔
１ｃに嵌め込まれた第２プリント基板２の両突出部２ａ
は、何れの方向にもガタを生じず強固に保持される。第
１および第２実施例共、嵌合する長円孔１ａまたは変形
孔１ｃと突出部２ａはそれぞれ２個設けたが、これに限
らずそれぞれ１個または３個以上設けてもよい。また、
第２実施例において、第１プリント基板１の変形孔１ｃ
の円弧部１ｂおよび第２プリント基板２に設けられた突
出部２ａの基端部角２ｃの円弧状部は、それぞれ他の端
部（図３の左側）のみに設けてもよい。更に、長円孔１
ａおよび変形孔１ｃの円弧状部の半径は両孔の幅Ｂの１
／２としたが、これに限らず適当な半径にしてもよい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a printed board mounting structure according to the present invention will be described with reference to FIGS. 1A and 1B are views showing a first embodiment of the present invention. FIG. 1A is a front view of a first printed circuit board which is horizontally installed and has a fitting hole, and FIG. 1B is a projection part for fitting. It is a front view of the 2nd printed circuit board. FIG. 2 is an exploded perspective view showing the first embodiment of the present invention. FIG. 3 is an exploded perspective view showing a second embodiment of the present invention. In the first embodiment shown in FIGS. 1 and 2, 1 is a first printed circuit board which is horizontally installed and serves as a main, and the four corners of the square hole have a radius of 1/2 of the width of the square hole. R
Two oblong holes 1 having a circular arc portion 1b (rounded)
a is provided. Reference numeral 2 denotes a sub-second printed circuit board, which is provided with two protrusions 2a that fit into the oblong holes 1a, and the base end corners 2b and 2c are all arc-shaped. 2d is a ridge line portion of the protruding portion 2a. A and B indicate the length and width of the oval hole 1a. C indicates the length of the protruding portion 2a. T indicates the thickness of the second printed board 2. The length A of the oblong hole 1a of the first printed board 1 is the length C of the protruding portion 2a of the second printed board 2.
It is 10% to 30% larger than that. Also, oval hole 1
The width B of a is 5 to 20% of the thickness T of the second printed board 2.
It is getting bigger. Thus, the oval hole 1a is provided with a predetermined clearance in both the length A direction and the width B direction. The operation of the first embodiment constructed as above will be described. The two protrusions 2a of the second printed board 2 are fitted from above into the two oblong holes 1a of the first printed board 1 which are installed horizontally, and are erected at a right angle. At this time, the ridge line portions 2d of both the projecting portions 2a of the second printed circuit board 2 fitted in the two elliptical holes 1a of the first printed circuit board 1 are strongly pressed by the circular arc portions 1b of the two oval holes 1a. It Then, due to the component force in the width direction generated by the arcuate portion 1b of the both elliptical holes 1a, both protrusions 2a are pressed from both sides, and the rattling in the width B direction caused by a predetermined clearance is eliminated. Further, the arcuate portions of the base end corners 2b and 2c of both the projecting portions 2a provided on the second printed board 2 strongly press-contact with the arcuate portions 1b of the both oval holes 1a. Due to the component force in the lengthwise direction generated by this, both protrusions 2a are pressed from both ends respectively, and there is no backlash caused by a predetermined clearance set in the length A direction of the oval hole 1a. In this way, even if a predetermined clearance is provided in the length A and width B directions of the oval hole 1a, both protrusions of the second printed circuit board 2 fitted in both oval holes 1a of the first printed circuit board 1 are projected. The portion 2a is firmly held without backlash in any direction. In the second embodiment shown in FIG. 3, reference numeral 1c is a deformation hole, and two deformation holes are provided on the first printed circuit board 1. The left end is a rectangular portion 1d and the right end is an arcuate arc portion 1b similar to the first embodiment. It has become.
In addition, the base end corner 2b of the protrusion 2a of the second printed circuit board 2
Is a right angle, and the base end corner 2c has an arc shape similar to that of the first embodiment. The operation of the second embodiment configured as above will be described. The two projecting portions 2a of the second printed board 2 are fitted from above into the two deformation holes 1c of the first printed board 1 which are installed horizontally, and are erected at a right angle. At this time,
Two ridges 2d on the base end corner 2c side of both protrusions 2a provided on the second printed circuit board 2 fitted in the two deformed holes 1c of the first printed circuit board 1 are arc-shaped parts of both deformed holes 1c. It is strongly pressed by 1b. And these both deformation holes 1
By the component force in the width B direction generated by the circular portion 1b of c, both protrusions 2a are pressed from both sides, and there is no backlash in the width B direction that occurs at a predetermined clearance. In addition, the component force in the length A direction generated by strongly pressing the arcuate portions of the base end portions 2c of the projecting portions 2a provided on the second printed circuit board 2 with the arcuate portions 1b of the deformation holes 1c. As a result, both projecting portions 2a are pressed in the direction of the rectangular portion 1d, and there is no play caused by the predetermined clearance set in the length A direction of the deformation hole 1c. As described above, even if the deformation holes 1c are provided with predetermined clearances in the length A and width B directions, the deformation holes 1c are fitted into both the deformation holes 1c of the first printed circuit board 1 as in the first embodiment. Both protrusions 2a of the second printed circuit board 2
Is firmly held without backlash in any direction. In each of the first and second embodiments, the elliptic hole 1a or the deformable hole 1c and the protruding portion 2a to be fitted are each provided with two pieces, but the present invention is not limited to this, and one piece or three or more pieces may be provided. Also,
In the second embodiment, the deformation hole 1c of the first printed board 1
The arcuate portion 1b and the arcuate portion of the base end corner 2c of the protrusion 2a provided on the second printed circuit board 2 may be provided only on the other end (on the left side in FIG. 3). Furthermore, oval hole 1
a and the radius of the arcuate portion of the deformed hole 1c are 1 of the width B of both holes.
However, the radius is not limited to this and may be an appropriate radius.
【発明の効果】この発明に係るプリント基板取付け構造
によれば、上述のように構成したので、第１プリント基
板１の長円孔１ａまたは変形孔１ｃと第２プリント基板
２の突出部２ａとのクリアランスを、適当に設けても嵌
合するとガタが無くなり強固に保持されるため、第１プ
リント基板１の長円孔１ａまたは変形孔１ｃに、第２プ
リント基板２の突出部２ａを嵌め込む作業が、容易にな
ると共に、直角に立てられた第２プリント基板は傾くこ
となくその状態を保持する。しかも、構造が簡単であっ
て、また、安価に構成することができるため実施も容易
であるなどの優れた特徴を有している。Since the printed circuit board mounting structure according to the present invention is configured as described above, the elliptical hole 1a or the deformed hole 1c of the first printed circuit board 1 and the protrusion 2a of the second printed circuit board 2 are provided. Even if the clearance is properly provided, there is no backlash when fitted, and it is firmly held. Therefore, the protrusion 2a of the second printed board 2 is fitted into the elliptical hole 1a or the deformed hole 1c of the first printed board 1. The work is facilitated, and the second printed circuit board set up at a right angle holds the state without tilting. Moreover, it has excellent features such as a simple structure and easy implementation because it can be constructed at low cost.
【図１】本発明の第１実施例を示す図であり、（Ａ）は
第１プリント基板の正面図、（Ｂ）は第２プリント基板
の正面図である。FIG. 1 is a diagram showing a first embodiment of the present invention, in which (A) is a front view of a first printed board and (B) is a front view of a second printed board.
【図２】本発明の第１実施例を示す分解斜視図である。FIG. 2 is an exploded perspective view showing the first embodiment of the present invention.
【図３】本発明の第２実施例を示す分解斜視図である。FIG. 3 is an exploded perspective view showing a second embodiment of the present invention.
【図４】従来例のプリント基板取付け構造を示す分解斜
視図であるFIG. 4 is an exploded perspective view showing a conventional printed circuit board mounting structure.
１ ：第１プリント基板 １ａ：長円孔 １ｂ：円弧部 １ｃ：変形孔 １ｄ：角形部 ２ ：第２プリント基板 ２ａ：突出部 ２ｂ，２ｃ：基端部角 ２ｄ：稜線部 1st: 1st printed circuit board 1a: Elliptical hole 1b: Arc part 1c: Deformation hole 1d: Square part 2: 2nd printed circuit board 2a: Projection part 2b, 2c: Base end angle 2d: Ridge line part
Claims (1)
を略直角に取付ける構造であって、 前記第１プリント基板に設けた角孔の長さ方向の両端で
幅方向に対をなす角のうち少なくとも一方の端の対をな
す角を円弧状とし、前記第２プリント基板に設けた突出
部の基端部角のうち少なくとも一方を円弧状として、 前記第１プリント基板の孔の円弧状部と、前記第２プリ
ント基板突出部の円弧状部とを対応させ、前記第１プリ
ント基板の孔に前記第２プリント基板の突出部を嵌合す
るよう構成したことを特徴とするプリント基板取付け構
造。1. A structure in which a second printed circuit board is mounted on a first printed circuit board at a substantially right angle, and a pair of corners formed in the width direction at both ends in the length direction of the square holes provided in the first printed circuit board. The pair of at least one of the ends has an arc shape, and at least one of the base end angles of the protrusions provided on the second printed circuit board has an arc shape, and the arcuate portion of the hole of the first printed circuit board. And the arcuate portion of the second printed circuit board projecting portion are made to correspond to each other, and the projecting portion of the second printed circuit board is fitted into the hole of the first printed circuit board. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34573092A JPH06196833A (en) | 1992-12-25 | 1992-12-25 | Mounting structure of printed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34573092A JPH06196833A (en) | 1992-12-25 | 1992-12-25 | Mounting structure of printed board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06196833A true JPH06196833A (en) | 1994-07-15 |
Family
ID=18378584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34573092A Pending JPH06196833A (en) | 1992-12-25 | 1992-12-25 | Mounting structure of printed board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06196833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0818188A (en) * | 1994-06-29 | 1996-01-19 | Nec Niigata Ltd | Connectorless printed board connection mechanism |
| US5629839A (en) * | 1995-09-12 | 1997-05-13 | Allen-Bradley Company, Inc. | Module interconnect adapter for reduced parasitic inductance |
| US5754411A (en) * | 1995-09-12 | 1998-05-19 | Allen-Bradley Company, Inc. | Circuit board having a window adapted to receive a single in-line package module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58175399A (en) * | 1982-03-18 | 1983-10-14 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Hearing aid with amplifying circuit |
| JPH01152686A (en) * | 1987-08-21 | 1989-06-15 | Nokia Mobira Oy | Apparatus for connecting hybrid circuit to mother board |
-
1992
- 1992-12-25 JP JP34573092A patent/JPH06196833A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58175399A (en) * | 1982-03-18 | 1983-10-14 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Hearing aid with amplifying circuit |
| JPH01152686A (en) * | 1987-08-21 | 1989-06-15 | Nokia Mobira Oy | Apparatus for connecting hybrid circuit to mother board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0818188A (en) * | 1994-06-29 | 1996-01-19 | Nec Niigata Ltd | Connectorless printed board connection mechanism |
| US5629839A (en) * | 1995-09-12 | 1997-05-13 | Allen-Bradley Company, Inc. | Module interconnect adapter for reduced parasitic inductance |
| US5754411A (en) * | 1995-09-12 | 1998-05-19 | Allen-Bradley Company, Inc. | Circuit board having a window adapted to receive a single in-line package module |
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