JPH0273529U

JPH0273529U -

Info

Publication number: JPH0273529U
Application number: JP15212688U
Authority: JP
Priority date: 1988-11-22
Filing date: 1988-11-22
Publication date: 1990-06-05
Anticipated expiration: 2003-05-11
Also published as: JPH0517536Y2

Description

[Brief explanation of drawings]

第１図は本考案に適用可能なアクチユエータの
例を示す一部断面平面図、第２図は同上一部断面
側面図、第３図は第１図中の各点ＯＡＢＣＤＥを
結ぶ線に沿う断面展開図、第４図は上記アクチユ
エータの一方向規制機構部を異なる動作態様ごと
に示す平面図、第５図は上記アクチユエータの異
なる作動態様を第３図に準じて示す断面展開図、
第６図は上記アクチユエータ中の摩擦制動体の平
面図、第７図は摩擦制動体の別の例を示す斜視図
、第８図は同上摩擦制動体を用いた制動手段の例
を示す側面図、第９図は上記アクチユエータ中の
プーリを示す平面図、第１０図は同上正面断面図
、第１１図は本考案に適用可能な電気回路の例を
示す回路図、第１２図は上記アクチユエータを用
いた本考案にかかる換気扇の実施例を示す背面図
、第１３図は同上側面の概略図、第１４図は本考
案にかかる換気扇の別の例を示す側面の概略図、
第１５図は同上実施例の駆動源及び制動手段の部
分の拡大側面図、第１６図は同上制動手段中の一
方向回転機構の側面図である。５３…駆動源としてのモータ、５６…開口部、
６３…枠体、６４…制動手段、６５…シヤツタ、
６７…フアン、７４…駆動源としてのソレノイド
、７５…制動手段。 Fig. 1 is a partially sectional plan view showing an example of an actuator applicable to the present invention, Fig. 2 is a partially sectional side view of the same, and Fig. 3 is a cross section taken along the line connecting each point OABCDE in Fig. 1. 4 is a plan view showing the one-way regulating mechanism section of the actuator in different operating modes; FIG. 5 is a cross-sectional developed view showing different operating modes of the actuator according to FIG. 3;
FIG. 6 is a plan view of the friction braking body in the actuator, FIG. 7 is a perspective view showing another example of the friction braking body, and FIG. 8 is a side view showing an example of a braking means using the same friction braking body. , FIG. 9 is a plan view showing the pulley in the actuator, FIG. 10 is a front sectional view of the same, FIG. 11 is a circuit diagram showing an example of an electric circuit applicable to the present invention, and FIG. 12 is a plan view showing the pulley in the actuator. A rear view showing an embodiment of the ventilation fan according to the present invention used, FIG. 13 is a schematic side view of the same, and FIG. 14 is a schematic side view showing another example of the ventilation fan according to the present invention.
FIG. 15 is an enlarged side view of the driving source and braking means of the embodiment, and FIG. 16 is a side view of the one-way rotation mechanism in the braking means. 53... Motor as a driving source, 56... Opening,
63... Frame body, 64... Braking means, 65... Shutter,
67... Fan, 74... Solenoid as a driving source, 75... Braking means.

Claims

[Scope of utility model registration request]

A shutter provided in an opening of a frame body so as to be openable and closable, a drive source connected to the shutter and for driving the shutter to an open state, and a fan that operates when the shutter is in an open state, A ventilation fan in which air is blown and discharged from the opening by the fan, and is provided with a braking means for braking the drive of the shutter when the shutter is driven from an open state to a closed state. A ventilation fan featuring