JPH0376117U

JPH0376117U -

Info

Publication number: JPH0376117U
Application number: JP13845789U
Authority: JP
Priority date: 1989-11-29
Filing date: 1989-11-29
Publication date: 1991-07-30

Description

[Brief explanation of the drawing]

第１図は第１実施例の一部を切り欠いた要部の
正断面図、第２図は第１実施例の要部の逆さ状態
での斜視図、第３図は第２実施例の要部の逆さ状
態での斜視図、第４図は第３実施例の要部の逆さ
状態での斜視図、第５図は第４実施例の要部の逆
さ状態での正断面図、第６図は従来例の一部を切
り欠いた正面図、第７図は従来例の一部を切り欠
いた要部の正断面図、第８図は従来例の要部の逆
さ状態での斜視図である。１……計器ケース、２……通気筒、３……覆板
、５……連通路。 Fig. 1 is a partially cutaway front sectional view of the main part of the first embodiment, Fig. 2 is an upside-down perspective view of the main part of the first embodiment, and Fig. 3 is a front sectional view of the main part of the first embodiment. FIG. 4 is a perspective view of the main part of the third embodiment in an upside-down state; FIG. 5 is a front sectional view of the main part of the fourth embodiment in an inverted state; FIG. Fig. 6 is a partially cutaway front view of the conventional example, Fig. 7 is a front sectional view of the main part of the conventional example with part cut away, and Fig. 8 is an upside-down perspective view of the main part of the conventional example. It is a diagram. 1... Instrument case, 2... Ventilation pipe, 3... Cover plate, 5... Communication path.

Claims

[Scope of utility model registration request]

A ventilation tube that communicates the inside of the instrument with the outside is protruded from the bottom of the synthetic resin instrument case, and a cover plate is integrally protruded from the peripheral wall of the ventilation tube to prevent airflow from directly flowing into the ventilation tube. A ventilating structure for an instrument provided in the above-mentioned instrument ventilation structure, characterized in that a ventilation path bridging the inside and outside of the instrument case is provided on the peripheral wall of the ventilation cylinder at a position outside the cover plate. .