JPS6327696U

JPS6327696U -

Info

Publication number: JPS6327696U
Application number: JP12053486U
Authority: JP
Priority date: 1986-08-05
Filing date: 1986-08-05
Publication date: 1988-02-23
Anticipated expiration: 2001-08-05
Also published as: JPH0513911Y2

Description

[Brief explanation of the drawing]

第１図〜第８図は本考案に係るロールスクリー
ン装置の実施例を示し、第１図は縦断面図、第２
図及び第３図は要部分解斜視図、第４図ａ〜ｅは
固定機構の作用を示す説明図、第５図は別実施例
の要部縦断面図、第６図はその要部分解斜視図、
第７図ａ，ｂはその固定機構の作用を示す説明図
、第８図は今一つの別実施例の縦断面図である。
第９図は従来装置の縦断面図、第１０図は第９図
中のＸ―Ｘ線による断面図である。１１……スクリーン、１２……スクリーン巻取
用軸、１３……バネ、２０……固定機構、２１…
…回転体、２１ａ……突起、２１ｂ……回転軸心
、２２……揺動体、２２ａ……揺動軸心、２２ｄ
，２２ｅ……ストツパ面、２４……ストツパ、２
６……操作片、Ａ，Ａ′……設定範囲、Ａ_１，Ａ
_１′……繰出回転側限界、Ａ_２，Ａ_２′……巻取
回転側限界。 1 to 8 show an embodiment of the roll screen device according to the present invention, FIG. 1 is a longitudinal sectional view, and FIG.
Figures 3 and 3 are exploded perspective views of the main parts, Figures 4 a to e are explanatory diagrams showing the action of the fixing mechanism, Figure 5 is a vertical sectional view of the main parts of another embodiment, and Figure 6 is an exploded view of the main parts. Perspective view,
FIGS. 7a and 7b are explanatory diagrams showing the action of the fixing mechanism, and FIG. 8 is a longitudinal sectional view of another embodiment.
FIG. 9 is a longitudinal sectional view of the conventional device, and FIG. 10 is a sectional view taken along the line X--X in FIG. DESCRIPTION OF SYMBOLS 11...Screen, 12...Screen winding shaft, 13...Spring, 20...Fixing mechanism, 21...
...Rotating body, 21a...Protrusion, 21b...Rotation axis, 22...Swinging body, 22a...Swinging axis, 22d
, 22e... Stopper surface, 24... Stopper, 2
6... Operation piece, A, A'... Setting range, A ₁ , A
₁ '...Limit on the feeding rotation side, _A2 , _A2 '...Limit on the winding rotation side.

Claims

[Claims for Utility Model Registration] A screen hoisting shaft 12 to which one end of the screen 11 is fixed, and a winding for hoisting and rotating the shaft 12 by the feeding rotation of the shaft 12 as the screen 11 is pulled out. A hoisting force accumulating device 13 for accumulating upper force, and a fixing mechanism 20 capable of fixing the shaft 12 in an arbitrary rotational posture and releasing the fixation against the hoisting force of the hoisting force accumulating device 13. The fixing mechanism 20 includes a rotating body 2 that is driven by the shaft 12 and has a protrusion 21a protruding from it.
1, and a rocking body 22 that rocks in setting ranges A and A' around a rocking axis 22a parallel to the rotation axis 21b of the rotary body 21, and the rocking body 22 has a When the swinging body 22 is in the swinging position at the feed-out rotation side limit _A1 of the setting range A, it moves by its own weight to the operating position that projects into the rotation locus of the protrusion 21a, and the swinging body 22 moves to the hoisting rotation of the setting range A. When the projection 21 is in the swing position at the side limit _A2
a stopper 24 that moves by its own weight to _a non-working position where it retires outside the rotational trajectory of a;
A non-working position in which the protrusion 21a moves by its own weight to a working position protruding into the rotational trajectory of a, and retires outside the rotational trajectory of the protrusion 21a when the rocking body 22 is in the swinging position at the feed-out rotation side limit A1 _' . An operating piece 26 that moves under its own weight is pivotally attached to the operating position, and the stopper 24 is allowed to move indefinitely by contacting with the protrusion 21a of the rotating body 21 rotating in the hoisting direction. A stopper surface 22d for blocking, and a rotating body 2 on which the operating piece 26 rotates in the feeding direction.
A stopper surface 22 that prevents unlimited movement in the working position by contacting with the protrusion 21a of No. 1.
A roll screen device characterized in that it is provided with e. The rotating body 21 is a cylindrical body integrated with the shaft 12, and the protrusion 21a is protruded from the inner surface of the rotating body 21, and the swinging body 22 is disposed inside the protrusion 21a. The roll screen device described in . The rotating body 21 is a disc attached to the end face of the shaft 12, and the protrusion 21 is provided on the side plate face of the rotary body 21.
The roll screen device according to claim 1, wherein a is protruded and the rocking body 22 is disposed on the side thereof. The rotation axis 21b of the rotating body 21 and the swing axis 22a of the swinging body 22 are arranged so that when the rotating body 21 rotates in the feeding direction, the operating piece 26 and the protrusion 21a meet at the feeding rotation side limit _A1 '. The roll screen device according to any one of claims 1 to 2, which is eccentric so as to be released from contact with the utility model. The length of the operating piece 26 is made slightly shorter than the length of the stopper 24, and the operating piece 26 is made slightly shorter than the length of the stopper 24.
The roll screen device according to claim 1, wherein the stopper 24 and the stopper 24 are pivotably mounted on the same pivot axis.