JPH10190259A - Fitting structure for printed board cover - Google Patents
Fitting structure for printed board coverInfo
- Publication number
- JPH10190259A JPH10190259A JP8350895A JP35089596A JPH10190259A JP H10190259 A JPH10190259 A JP H10190259A JP 8350895 A JP8350895 A JP 8350895A JP 35089596 A JP35089596 A JP 35089596A JP H10190259 A JPH10190259 A JP H10190259A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- board cover
- printed board
- mounting
- 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.)
- Withdrawn
Links
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、器体に取り付けら
れたプリント基板の表面をカバーするプリント基板カバ
ーの取り付け構造の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved mounting structure of a printed circuit board cover for covering the surface of a printed circuit board mounted on a body.
【０００２】[0002]
【従来の技術】一般に、電子機器を構成するプリント基
板は、器体である筐体内部に収納されて、合成樹脂材料
等にて形成された筐体によって機械的に保護されてい
る。しかし、図４に示すような自火報受信機等において
は、外部電線接続部、表示操作部、受信回路等を形成す
るプリント基板が器体に取り付けられるが、例えばプリ
ント基板に設けられた操作スイッチ、表示素子等を、器
体表面に形成された操作部あるいは表示部の透孔から露
出させて取り付けられるプリント基板２においては、そ
の裏面である回路パターンの形成されたプリント基板表
面を、プリント基板カバー１によって保護している。こ
のプリント基板カバー１は、自火報受信機を施工すると
きの外部電線を接続するとき等に、施工者が回路パター
ンに容易に触れることが無いよう簡易的に保護したり、
プリント基板に異物が付着するのを防止したりするもの
で、図５にその取付構造の詳細を示す。2. Description of the Related Art In general, a printed circuit board constituting an electronic device is housed in a housing, which is a body, and is mechanically protected by a housing made of a synthetic resin material or the like. However, in a self-fire alarm receiver or the like as shown in FIG. 4, a printed circuit board forming an external electric wire connection unit, a display operation unit, a receiving circuit, and the like is attached to a body. In the printed circuit board 2 on which switches, display elements, and the like are mounted by exposing through a through hole of an operation unit or a display unit formed on the surface of the body, the front surface of the printed circuit board on which a circuit pattern is formed is printed. It is protected by the board cover 1. This printed circuit board cover 1 can be easily protected so that the installer does not easily touch the circuit pattern, for example, when connecting an external electric wire when installing the self-fire alarm receiver,
FIG. 5 shows details of the mounting structure for preventing foreign substances from adhering to the printed circuit board.
【０００３】図５の（ａ）は、予め、支持部材５がプリ
ント基板２に形成された支持部材取付孔（図示せず）に
取り付けられるとともにこの支持部材５にてプリント基
板カバー１を固着支持しているプリント基板２が、器体
に設けられた取付部４へ、取付部材であるねじ３によっ
て取り付けられているもので、プリント基板カバー１
は、ポリエチレン樹脂材料等の合成樹脂による板材の周
囲に、ねじ３を締め付けるための切り欠き１５、１６
と、支持部材５の支持部５１を貫挿するための貫挿孔
（図示せず）と、を有している。FIG. 5A shows a state in which a support member 5 is mounted in advance on a support member mounting hole (not shown) formed in a printed circuit board 2 and the printed circuit board cover 1 is fixedly supported by the support member 5. A printed circuit board 2 is attached to a mounting portion 4 provided on the body by a screw 3 as a mounting member.
Are cutouts 15, 16 for tightening screws 3 around a plate made of a synthetic resin such as a polyethylene resin material.
And a through hole (not shown) for inserting the support portion 51 of the support member 5.
【０００４】図５の（ｂ）は、プリント基板カバー１が
プリント基板２とともに器体に設けられた取付部４へ取
付部材であるねじ３によって取り付けられているもの
で、プリント基板カバー１は、ポリエチレン樹脂材料等
の合成樹脂による板材の周囲に、ねじ３を貫挿するため
の貫挿孔（図示せず）と、この貫挿孔の周囲が折曲自在
となるよう分離するための切り込み１７とを有してい
る。プリント基板カバー１は、プリント基板２にへ取り
付けるときに、この切り込み１７にて、その中央部分が
プリント基板１の裏面の実装部品のリード部分の突出に
より押し上げられるとともに切り込み１７に直交する部
分が折曲し、上記の貫挿孔の周囲がプリント基板２へ密
着する。FIG. 5B shows a printed circuit board cover 1 attached to a mounting portion 4 provided on a body together with a printed circuit board 2 by screws 3 serving as an attachment member. A through hole (not shown) for inserting the screw 3 around the plate made of a synthetic resin such as a polyethylene resin material, and a notch 17 for separating the periphery of the through hole so as to be bendable. And When the printed circuit board cover 1 is attached to the printed circuit board 2, the central portion thereof is pushed up by the projection of the lead portion of the mounting component on the back surface of the printed circuit board 1 and the portion orthogonal to the notch 17 is folded at the notch 17. It bends and the periphery of the above-mentioned through hole closely adheres to the printed circuit board 2.
【０００５】[0005]
【発明が解決しようとする課題】ところで上記の、プリ
ント基板へ支持部材にてプリント基板カバーを取り付け
る構造のものは、プリント基板カバーを簡単に取付でき
るが、支持部材を余分に必要とする上に、支持部材を取
り付ける、支持部材取付孔を設けるためのスペースがプ
リント基板に必要とされ、プリント基板の実装設計が制
約されることがあった。また、プリント基板とともにプ
リント基板カバーを取り付ける構造のものは、上記の支
持部材は不要であるが、取付時にねじを強く締めすぎた
場合、ねじ頭部の裏面にて上記の貫挿孔の周囲を摩擦に
よって破損し、プリント基板の保護が不十分となること
があった。The above-described structure in which the printed circuit board cover is attached to the printed circuit board by the support member can easily attach the printed circuit board cover, but requires an extra support member. In addition, a space for mounting the support member and providing the support member mounting hole is required on the printed circuit board, and the mounting design of the printed circuit board is sometimes restricted. In the case of a structure in which the printed circuit board cover is attached together with the printed circuit board, the above-mentioned support member is not necessary.However, if the screw is excessively tightened at the time of attachment, the periphery of the through hole on the back of the screw head is removed. In some cases, the printed circuit board was damaged by friction and became insufficiently protected.
【０００６】本発明は、上記事由に鑑みてなしたもの
で、その目的とするところは、支持部材を使用すること
なく取り付けられるとともに、プリント基板カバーの破
損を無くするプリント基板カバーの取り付け構造を提供
することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a printed circuit board cover mounting structure that can be mounted without using a support member and that does not damage the printed circuit board cover. To provide.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載のプリント基板カバーの取り付け構造
は、器体に取り付けられたプリント基板の表面をカバー
するプリント基板カバーの取り付け構造であって、プリ
ント基板カバーの周縁に、プリント基板の裏面とプリン
ト基板が取り付けられる器体側の取付部とに狭持される
狭持部を設け、プリント基板を器体に取り付けるときに
取付部材にてプリント基板を介してこの狭持部を押圧し
て取り付けるようにしている。これにより、プリント基
板カバーの狭持部がプリント基板を介して取付部材にて
押圧され取り付けられるものとなる。According to a first aspect of the present invention, there is provided a printed circuit board cover mounting structure for covering a surface of a printed circuit board mounted on a body. At the periphery of the printed circuit board cover, a holding portion is provided to be held between the back surface of the printed circuit board and a mounting portion on the body side to which the printed circuit board is mounted, and the mounting member is used when the printed circuit board is mounted on the body. The holding portion is pressed and attached via a printed circuit board. As a result, the holding portion of the printed board cover is pressed and attached by the attachment member via the printed board.
【０００８】また、請求項２記載のプリント基板カバー
の取り付け構造は、請求項１記載の狭持部を、前記周縁
の全周に設けた立壁を折曲し延設している。これによ
り、プリント基板カバーが、立壁の近傍にてプリント基
板と器体側の取付部とに狭持されるものとなる。According to a second aspect of the present invention, in the mounting structure for a printed circuit board cover, the holding portion according to the first aspect is formed by bending an upright wall provided on the entire periphery of the peripheral edge. As a result, the printed circuit board cover is sandwiched between the printed circuit board and the mounting portion on the body side in the vicinity of the upright wall.
【０００９】[0009]
【発明の実施の形態】以下、本発明のプリント基板カバ
ーの取り付け構造の一実施の形態を図１乃至図３に基づ
いて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a printed circuit board cover mounting structure according to the present invention will be described below with reference to FIGS.
【００１０】図１は、本発明のプリント基板カバーの取
り付け構造の斜視図である。図２は、図１に示すプリン
ト基板カバーを示す斜視図である。図３は、図１に示す
プリント基板カバーの取り付け構造の要部である狭持部
を示す断面図である。FIG. 1 is a perspective view of a printed circuit board cover mounting structure according to the present invention. FIG. 2 is a perspective view showing the printed circuit board cover shown in FIG. FIG. 3 is a cross-sectional view showing a holding portion which is a main part of the mounting structure of the printed circuit board cover shown in FIG.
【００１１】このプリント基板カバーの取り付け構造
は、例えば従来例にて説明した、自火報受信機の器体に
取り付けられたプリント基板２の表面をカバーするのに
用いられるもので、プリント基板カバー１は、ポリエチ
レン樹脂材料等の合成樹脂による板材にて、その周縁
に、プリント基板１の裏面とプリント基板が取り付けら
れる器体側である自火報受信機に設けられている取付部
４とに狭持される狭持部１１を有して形成されている。
またこの狭持部１１は、周縁の全周に設けた立壁１２を
折曲し延設して形成され、所定の位置に、取付部材であ
るねじ３によって上記の取付部４へ取り付けるときに、
プリント基板２とともにねじ３を締め付けるための挿通
孔１３が所定個数設けられている。そして、この挿通孔
１３に対向するプリント基板カバー１の表面側には、ね
じ３を締め付けるための透孔１４が所定個数設けられて
いる。The mounting structure of the printed circuit board cover is used, for example, to cover the surface of the printed circuit board 2 mounted on the body of the self-fire alarm receiver described in the conventional example. Reference numeral 1 denotes a plate made of a synthetic resin such as a polyethylene resin material, which is narrow on the periphery of the back surface of the printed circuit board 1 and a mounting portion 4 provided on a self-fire alarm receiver on the side of the body where the printed circuit board is mounted. It has a holding portion 11 to be held.
The holding portion 11 is formed by bending and extending an upright wall 12 provided on the entire periphery of the periphery. When the holding portion 11 is attached to the mounting portion 4 by a screw 3 as a mounting member at a predetermined position,
A predetermined number of insertion holes 13 for fastening the screws 3 together with the printed circuit board 2 are provided. A predetermined number of through holes 14 for tightening the screws 3 are provided on the surface side of the printed circuit board cover 1 facing the insertion holes 13.
【００１２】器体側の取付部４は、自火報受信機の表面
扉体の裏面に設けられた柱状突起で、金属材料による柱
状体の一端が扉体に溶接等にて固着され、他端にはねじ
３が螺着される所定の大きさの雌ねじが中央に刻設され
ている。The mounting portion 4 on the side of the body is a columnar projection provided on the back surface of the front door of the self-fire alarm receiver. One end of the column made of a metal material is fixed to the door by welding or the like, and the other end. A female screw of a predetermined size into which the screw 3 is screwed is provided at the center.
【００１３】以上説明したプリント基板カバー１の取付
は、まず、プリント基板２をその裏面の周縁が狭持部１
１に当接するようにプリント基板カバー１へ装着する。
次いで、ねじ３を、透孔１４、挿通孔１３に挿通させ、
プリント基板２に設けられている挿通孔２１に挿通して
取付部４へ締め付ける。その結果、プリント基板カバー
１は、プリント基板２を器体に取り付けるときに取付部
材であるねじ３にてプリント基板２を介してこの狭持部
が押圧され、器体に取り付けられる。To mount the printed circuit board cover 1 described above, first, the printed circuit board 2 is held by the holding portion 1 with the peripheral edge of the back surface.
1 is attached to the printed circuit board cover 1 so as to abut on the printed circuit board cover 1.
Next, the screw 3 is inserted through the through hole 14 and the insertion hole 13,
It is inserted into the insertion hole 21 provided in the printed circuit board 2 and fastened to the mounting portion 4. As a result, when the printed circuit board 2 is attached to the body, the holding portion of the printed circuit board cover 1 is pressed by the screw 3 serving as an attachment member via the printed circuit board 2 and attached to the body.
【００１４】以上説明したプリント基板カバーの取り付
け構造によると、プリント基板カバー１の狭持部１１が
プリント基板２を介してねじ３にて押圧され取り付けら
れるものとなるので、支持部材を使用することなく取り
付けられるとともに、プリント基板カバー１の破損の無
いものとなる。また、プリント基板カバー１が、立壁１
２の近傍にてプリント基板２と器体側の取付部４とに狭
持されるものとなるので、プリント基板の側方からのプ
リント基板の裏面等へ向けての異物の侵入を確実に防止
できる。According to the mounting structure of the printed circuit board cover described above, the holding portion 11 of the printed circuit board cover 1 is pressed by the screw 3 via the printed circuit board 2 and is mounted. And the printed circuit board cover 1 is not damaged. Further, the printed circuit board cover 1 is
2 is sandwiched between the printed circuit board 2 and the mounting portion 4 on the body side, so that intrusion of foreign matter from the side of the printed circuit board toward the back surface of the printed circuit board can be reliably prevented. .
【００１５】なお、本発明によるプリント基板カバーの
形状は上記にて説明したもののみに限定するものでな
く、立壁が全周に無いものであっても良く、また、取付
部材はねじ以外に、例えばプリント基板を圧着して取付
部に取り付けるものであっても良い。The shape of the printed circuit board cover according to the present invention is not limited to the one described above, but may have no standing wall on the entire circumference. For example, a printed circuit board may be crimped and attached to the attachment section.
【００１６】[0016]
【発明の効果】請求項１記載のプリント基板カバーの取
り付け構造は、プリント基板カバーの狭持部がプリント
基板を介して取付部材にて押圧され取り付けられるもの
となるので、支持部材を使用することなくプリント基板
カバーを取り付けられるとともに、プリント基板カバー
の破損が無くなる。In the mounting structure of the printed circuit board cover according to the first aspect of the present invention, since the holding portion of the printed circuit board cover is pressed and mounted by the mounting member via the printed circuit board, a supporting member is used. The printed circuit board cover can be attached without any damage, and the printed circuit board cover is not damaged.
【００１７】また、請求項２記載のプリント基板カバー
の取り付け構造は、請求項１記載のものの効果に加え、
プリント基板カバーが、立壁の近傍にてプリント基板と
器体側の取付部とに狭持されるものとなるので、プリン
ト基板の側方からのプリント基板の裏面等へ向けての異
物の侵入を確実に防止できる。The mounting structure of the printed circuit board cover according to the second aspect of the present invention has the same effects as those of the first aspect.
Since the printed circuit board cover is sandwiched between the printed circuit board and the mounting part on the body side near the vertical wall, it is ensured that foreign matter enters from the side of the printed circuit board to the back surface of the printed circuit board etc. Can be prevented.
【図１】本発明のプリント基板カバーの取り付け構造の
斜視図である。FIG. 1 is a perspective view of a printed circuit board cover mounting structure of the present invention.
【図２】図１に示すプリント基板カバーを示す斜視図で
ある。FIG. 2 is a perspective view showing the printed circuit board cover shown in FIG.
【図３】図１に示すプリント基板カバーの取り付け構造
の要部である狭持部を示す断面図である。3 is a cross-sectional view showing a holding portion which is a main part of the mounting structure of the printed circuit board cover shown in FIG.
【図４】プリント基板カバーの取り付け構造が用いられ
る自火報受信機の一例である。FIG. 4 is an example of a self-fire alarm receiver using a printed circuit board cover mounting structure.
【図５】従来例のプリント基板カバーの取り付け構造の
例を示す平面図と側面図で、（ａ）は、プリント基板へ
支持部材にてプリント基板カバーを取り付ける構造、
（ｂ）は、プリント基板とともにプリント基板カバーを
取り付ける構造である。5A and 5B are a plan view and a side view showing an example of a conventional mounting structure of a printed circuit board cover, in which FIG.
(B) shows a structure in which a printed circuit board cover is attached together with the printed circuit board.
１ プリント基板カバー １１ 狭持部 １２ 立壁 ２ プリント基板 ３ ねじ（取付部材） ４ 取付部 DESCRIPTION OF SYMBOLS 1 Printed circuit board cover 11 Holding part 12 Standing wall 2 Printed circuit board 3 Screw (mounting member) 4 Mounting part
Claims (2)
面をカバーするプリント基板カバーの取り付け構造であ
って、 プリント基板カバーの周縁に、プリント基板の裏面とプ
リント基板が取り付けられる器体側の取付部とに狭持さ
れる狭持部を設け、プリント基板を器体に取り付けると
きに取付部材にてプリント基板を介してこの狭持部を押
圧して取り付けるようにしたことを特徴とするプリント
基板カバーの取り付け構造。1. A mounting structure of a printed circuit board cover for covering a surface of a printed circuit board mounted on a body, wherein a mounting portion on a body side to which a back surface of the printed circuit board and the printed circuit board are mounted around a periphery of the printed circuit board cover. A printed circuit board cover characterized in that when the printed circuit board is mounted on the body, the mounting member presses the held part via the printed circuit board for mounting. Mounting structure.
立壁を折曲し延設したことを特徴とする請求項１記載の
プリント基板カバーの取り付け構造。2. The printed circuit board cover mounting structure according to claim 1, wherein said holding portion is formed by bending a standing wall provided on the entire periphery of said peripheral edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8350895A JPH10190259A (en) | 1996-12-27 | 1996-12-27 | Fitting structure for printed board cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8350895A JPH10190259A (en) | 1996-12-27 | 1996-12-27 | Fitting structure for printed board cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10190259A true JPH10190259A (en) | 1998-07-21 |
Family
ID=18413628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8350895A Withdrawn JPH10190259A (en) | 1996-12-27 | 1996-12-27 | Fitting structure for printed board cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10190259A (en) |
-
1996
- 1996-12-27 JP JP8350895A patent/JPH10190259A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH05251886A (en) | Electronic equipment and shielding method therefor | |
| US5573317A (en) | Bracket apparatus for a cabinet | |
| US4063788A (en) | Chassis captivation arrangement for vibration attenuation | |
| US6195141B1 (en) | Hand-held control device | |
| JP2000133333A (en) | Electric component | |
| JPH10190259A (en) | Fitting structure for printed board cover | |
| JPH0567072U (en) | Connector board fixing structure | |
| JP3674056B2 (en) | Board fixing brackets for electrical equipment | |
| JPH0132389Y2 (en) | ||
| JP3075926B2 (en) | Terminal mounting device | |
| JPH0333090Y2 (en) | ||
| JP2001015939A (en) | Waterproof housing | |
| JP3460038B2 (en) | Mounting structure of shield cover in communication equipment | |
| JP3204069B2 (en) | Panel instrument mounting device | |
| JP2000030562A (en) | Panel switch | |
| JP2576283Y2 (en) | Embedded base for sensor | |
| JP2983843B2 (en) | Ground connection structure for electronic equipment | |
| JPH1097880A (en) | Capacitor box for connector | |
| JP2002252479A (en) | Fixing structure of optical cable coupler | |
| JPH0720951Y2 (en) | Electronic circuit unit mounting structure | |
| JPS6333508Y2 (en) | ||
| JPH058705Y2 (en) | ||
| JPH0918109A (en) | Fixing structure for printed board | |
| JPS6138259Y2 (en) | ||
| KR0125032Y1 (en) | Device for grounding a main pcb board of computer monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20040302 |