JPH0381682U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係る筺体の防水構造をＬＰガ
ス自動検針システムの屋外設置形送信機に適用し
た場合の一実施例を示す分解斜視図、第２図は外
観斜視図、第３図は第２図のＡ−Ａ線拡大断面図
、第４図は第２図のＢ−Ｂ線拡大断面図、第５図
は第２図のＣ−Ｃ線拡大断面図、第６図はケース
本体の正面図である。 ２……筺体、３……ケース本体、４……前面ケ
ース、５……カバー、６……プリント基板、７…
…電池、１６，１７……水抜き溝、２５……リブ
、３０，３１……嵌合突片、３２……リブ、３５
，３６……嵌合突片。 Fig. 1 is an exploded perspective view showing an embodiment of the case where the waterproof structure of the casing according to the present invention is applied to an outdoor transmitter of an LP gas automatic meter reading system, Fig. 2 is an external perspective view, and Fig. 3 is an exploded perspective view. Figure 2 is an enlarged sectional view taken along the line A-A in Figure 2, Figure 4 is an enlarged sectional view taken along the line B-B in Figure 2, Figure 5 is an enlarged sectional view taken along the line CC in Figure 2, and Figure 6 is the case body. FIG. 2...Housing, 3...Case body, 4...Front case, 5...Cover, 6...Printed circuit board, 7...
... Battery, 16, 17 ... Drain groove, 25 ... Rib, 30, 31 ... Fitting protrusion, 32 ... Rib, 35
, 36... Fitting protrusion.

Claims (1)

【実用新案登録請求の範囲】 (1) 箱型に形成されて前面が開放するケース本
体と、このケース本体の前面開口部にそれぞれ嵌
合し、該開口部を覆う前面ケースおよびカバーと
を備え、内部に基板等の各種電子部品を収納配置
してなる筺体において、前記ケース本体の外周面
の内側に略テーパ状の水抜き溝を２重に設けて、
その下端をケース本体の下面に開口させ、前記前
面ケースおよびカバーの外周面の内側にそれぞれ
前記ケース本体の水抜き溝より短い略テーパ状の
嵌合突片を２重に設け、これらの嵌合突片を前記
水抜き溝にそれぞれ嵌合させるようにしたことを
特徴とする筺体の防水構造。 (2) 請求項１記載の筺体の防水構造において、
前記ケース本体内に板状のリブを突設し、このリ
ブによつてケース本体内部を２つの室の仕切り、
このリブに対応して前記前面ケースの内面に板状
のリブを突設し、これらのリブによつて基板を挟
持するようにしたことを特徴とする筺体の防水構
造。[Scope of Claim for Utility Model Registration] (1) A case body formed in a box shape with an open front, and a front case and a cover that fit into the front openings of the case body and cover the openings. , in a case in which various electronic components such as circuit boards are housed, double substantially tapered drainage grooves are provided on the inside of the outer peripheral surface of the case body,
The lower end thereof is opened on the lower surface of the case body, and substantially tapered fitting protrusions shorter than the drain groove of the case body are provided twice on the inside of the outer peripheral surfaces of the front case and the cover, respectively, and these fitting protrusions are provided twice. A waterproof structure for a housing, characterized in that the protrusions are fitted into the drainage grooves, respectively. (2) In the waterproof structure of the casing according to claim 1,
A plate-shaped rib is provided protrudingly within the case body, and the rib partitions the inside of the case body into two chambers,
A waterproof structure for a housing, characterized in that plate-like ribs are provided protrudingly on the inner surface of the front case in correspondence with the ribs, and a board is held between these ribs.