JPH0776506B2 - Projection blinds - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a blind with shading and interior goods-like elements.

Conventional technology Originally, the blinds are for dimming to adjust the amount of light rays entering the room from the building opening, or for light shielding, but due to the requirement for a comfortable living space, not only the dimming function but also the width of the slat is reduced. It has been devised to improve the interior quality, such as making the appearance lighter and making the colors softer and softer.

However, the current blinds still focus on the dimming / shading function, and light-shielding materials such as light alloys are used for the slats. As a result, the effect of even soft colors will be halved in the daytime when viewed from the inside of the room, and the technical idea of positively utilizing the daylight rays cannot be found.

Problems to be Solved by the Invention The present invention has a fresh interior property which is not present in conventional blinds by positively utilizing daylight rays, and moreover,
The challenge is to provide blinds that do not impair the dimming / shading function.

Means for Solving the Problem The blind slats are made of a transparent material so that each slat is Z-shaped or S-shaped with the first, middle and second faces stretched in cross section. When the blinds are formed in a hook shape and the blinds are in a semi-light-shielding state, a light-shielding portion is formed mainly on the central surface of each slat so that a predetermined figure appears on the blind surface.

Action Each slat, by the light-shielding part formed on them, almost completely blocks the light from the outside when it is turned to the fully closed state,
When the slat is turned to the semi-shielded state, a predetermined figure formed integrally by the light-shielding portions of the slats is projected from the blind surface, and when the slat is turned to the fully opened state, most of the light rays pass between the slats.

Embodiment In FIGS. 2 and 3, a blind 1 has a large number of slats 3 and a lower plate 4 also serving as a weight attached to a lower part of a storage box 2 by means of a ladder string 5 and a lifting string 6 arranged on the left and right respectively. .

The ladder string 5 has a ladder shape as a whole in which horizontal strings 8 are attached at regular intervals between the left and right vertical strings 7, 7, and the upper end is attached to the turning device 9 housed in the storage box 2,
The lower end is fixed to the lower plate 4. Both ends of each slat 3 are placed on each horizontal string 8. The turning device 9 is rotated by the slat turning operation string 10.

The hoisting string 6 penetrates both ends of each slat 3 without being restrained, the upper end is attached to the hoisting device 11 housed in the storage box 2, and the lower end is fixed to the lower plate 4. The hoisting device 11 is rotated by the blind hoisting and lowering string 12.

Therefore, when the blind raising / lowering string 12 is operated, the hoisting device 11 winds the hoisting string 6 or rewinds the hoisting string 6 to move the lower plate 4 up and down. Blind 1 at this time
Is raised so that the lower slats 3 are stacked,
Or it is lowered so that the overlap of the lower slats is released. Also, when operating the slat turning operation string 10,
Since the vertical strings 7, 7 on both sides of the ladder string 5 move in opposite directions, the inclination of the horizontal string 8 changes, and the slats 3 are simultaneously turned from the fully open state to the fully closed state.

The rolling device 9 and the winding device 11 described above are provided with a friction stop or click stop mechanism so that an arbitrary rolling position and winding device can be maintained.

The above configuration is no different from the conventional blind.

In this case, the fully open state means that each slat is shown in FIG. 6 (a) with respect to the direction of the line of sight directed from the room to the blind.
As a whole, it is almost parallel, and the fully closed state means that this surface is almost vertical, and the semi-shaded state is in the middle, and the center surface of the slat (described later) is the line of sight. It is said to be almost parallel to the direction of (see Fig. 6, 7, 8).

In the blind 1, each slat 3 is made of a transparent synthetic resin material, and as shown in FIGS. 3 and 4, the central surface 13 and about 45 degrees obliquely upward from the one side to the central surface 13.
Approximately 225 diagonally downward from the first bending surface 14 and the other side, which is bent at an angle of ° and has a width of about 1/2 that is narrower than the central surface
A second bent surface 15 that is bent at an angle of ° and has a width of about 1/2 that is narrower than the central surface, and is stretched in the section Z
It is a character. And each slat 3 has a central surface
As shown in FIG. 5, the light-shielding portion 16 is mainly composed of a light-shielding paint or paper, a light-shielding film including a metal foil, or the like.
Are formed.

4 shows the slat 3 in a fully opened state, in which case the central surface 13 is inclined to the right (outdoor side) about 22.5 ° with respect to the direction p of the line of sight.

As shown in FIG. 1, the light-shielding portion 16 has a predetermined pattern 18 that appears on the blind surface 17 when each slat 3 of the blind 1 is turned from the fully opened state to the left by about 22.5 ° to 30 ° to the semi-shielded state. And a part of the slat 3 is formed. At that time, as shown in FIG. 5, the main body of the light-shielding portion 16, that is, the inner filled portion is formed on the central surface 13.
The upper and lower contour portions are arranged on the first curved surface 14 and the second curved surface 15, respectively, so that the central surface 13 of any slat 3 is almost occupied by the light shielding portion 16.

In the blind 1 having the above structure, the blind raising / lowering string 12 is operated to lower the blind, and the slats 3 are used to open the slats 3 to the fully open state as shown in FIG. As shown in (b) of the figure, is nothing more than a projected image of the light-shielding portion 16 viewed from an extreme diagonal direction, and is also sprinkled by light rays that directly enter from the large gaps formed between the slats 3. When viewed from the entire blind surface 17, the light shielding portion 16 looks like a thin line.

Therefore, in this case, the predetermined figure does not appear, and the light beam from the outside is not blocked more than the conventional one.

As shown in FIG. 7 (a), when the central plane is made substantially parallel to the line-of-sight direction P and the semi-light-shielding state is set, the first plane 14 and the second plane
The projection image of the light-shielding portion 16 formed on these planes has a certain area and a clear contour as shown in FIG. Indicates. That is, a predetermined figure as shown in FIG. 1 appears on the blind surface 17 as a total of these light shielding portions 16.
This figure becomes very clear with high contrast due to light rays from the outside.

When the slat 3 is fully closed as shown in FIG. 8 (a), the above-mentioned surfaces of the slat 3 stand up substantially perpendicular to the line of sight p.
The main body of the light-shielding portion having a large area on the central surface 13 is projected as it is, and combined with the projected images of the first surface 14 and the second surface 15 which are overlapped with each other, A predetermined figure 18 is filled in and the light from the outside is almost completely blocked. Therefore, in this case, almost the same light shielding performance as that of the conventional blind is exhibited.

The above has described the case where the blind surface 17 to which the light rays strike from the outdoor side is directly viewed from the indoor side and the projection image from the blind surface 17 is directly seen. However, the same blind 1 is applied to the blind surface 17 and the direct rays of the sun are When it is used so as to hit from the opposite direction of the line of sight P, the predetermined figure is shaded on the floor surface or wall surface in the room in the semi-shielded state of FIG.
18 is projected.

In the present invention, the light-shielding portion may be semi-transparent or colored semi-transparent, and the angles of the first and second curved surfaces with respect to the central surface of the slat are 20 ° to 50 ° and 200 ° to 230.
It can be set in the range of °. Further, the cross-sectional shape of the slat is not limited to the stretched Z-shape, but may be the S-shape stretched as shown in FIG. 9, and the widths of the first and second surfaces and the central surface The ratio and the number of slats are not limited to those described in the embodiments.

Further, the present invention can be effectively used not only at the window, but also in an indoor space by placing a light source on the back.

EFFECTS OF THE INVENTION Predetermined figures are clearly and strongly projected, and it is possible to create an entertaining and excellent atmosphere in a room, which is impossible with conventional blinds.

There is little loss of light control and light blocking functions in conventional blinds.

[Brief description of drawings]

FIG. 1 is a front view, FIG. 2 is a perspective view, FIG. 3 is a cross-sectional view of essential parts, FIG. 4 is a side view of a slat, FIG. 5 is a perspective view of the slat, and FIG. 6 is a fully open state. FIG. 7 is a diagram for explaining a semi-shielded state, FIG. 8 is a diagram for explaining a fully closed state, and FIG. 9 is a perspective view showing another embodiment of the slats. 1 ... Blind, 2 ... Storage box, 3 ... Slat, 4
… Lower plate, 5… Ladder string, 6… Lifting string, 7… Vertical string, 8…
Horizontal string, 9 ... Rolling device, 10 ... Slat rotation operation string, 11 ... Winding device, 12 ... Blind raising / lowering string, 13 ... Center surface,
14 ... 1st bending surface, 15 ... 2nd bending surface, 16 ... Light-shielding part, 17
... Blind surface, 18 ... Predetermined figure.

Claims (1)

[Claims] 1. A first bending in which the blind slats are made of a transparent material, and each slat is bent obliquely upward from a central surface and one side thereof to the central surface and has a width narrower than the central surface. A semi-light-shielded state in which the surface and a second bent surface that is bent obliquely downward from the other side and has a width narrower than that of the central surface are provided, and the central surface of the blind is substantially parallel to the direction of the line of sight. The projection blind is characterized in that a light-shielding portion is formed so that a predetermined figure appears on the blind surface when the above is done.