JP2511406Y2 - Roll blinds - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a roller blind attached to a frame such as a sash.

[Conventional technology]

Conventionally, as shown in FIG. 3, a roll blind used as a screen by supporting a reticulated screen 2 on an aluminum sash 1 so that it can be moved up and down, or a roll blind used as a dark curtain by supporting a thick cloth on the aluminum sash so that it can be moved up and down. Has been put to practical use.

In such a roller blind, for example, as shown in FIG. 4, fasteners 3 are sewn on both side edges of the screen 2,
The fastener 3 is supported by a guide rail provided in the sash vertical frame so as to be vertically movable. The screen 2 is wound and unwound by a winding shaft 6 supported by the upper frame 5. The fastener 3 is composed of teeth 7 and thick cloth 8.

And the vertical frame 4 of the aluminum sash 1 by the fastener 3
The gap between the screen and the screen 2 is prevented from occurring, insects are prevented from entering in the case of a screen door, and outside light is prevented from leaking in the case of a dark curtain.

[Problems to be solved by the device]

However, in the roll blind as described above, the width of the screen 2 must be accurately set in advance in accordance with the interval of the guide rails so that the screen 2 does not loosen, so that the work is troublesome.

The present invention has been made to solve the above problems, and an object thereof is to provide a roll blind capable of preventing the slack of the screen.

[Means for solving the problem]

In order to achieve the above object, in the present invention, a pair of vertical frames are provided with guide rails respectively, and the screen is vertically movable along the guide rails between the guide rails. Is provided with locking means that is locked to the guide rail so as to allow only lifting and lowering of the screen, and one of the vertical frame and the guide rail is provided with a first locking piece protruding toward the other. On the other side of the vertical frame and the guide rail, a plurality of second locking pieces that project toward one side and engage with the first locking pieces are provided in a plurality of stages in the width direction of the screen.

[Action]

By the above means, the screen moves up and down while both side edges are supported by the guide rails by the locking means. And
When the screen is stretched between the guide rails, by engaging the first locking piece with an appropriate second locking piece of the second locking pieces provided in a plurality of steps in the screen width direction, the guide rail with respect to the vertical frame is provided. The screen can be set so as not to be loosened by appropriately adjusting the connection position of the guide rails and adjusting the distance between the guide rails.

〔Example〕

Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS.
Description will be made with reference to the drawings. The same components as those of the conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 2, the screen 2 of the roller blind of this embodiment has a string 9 as a locking means sewn to its edge. As shown in FIG. 1, the screen 2 has a cord 9 supported by a guide rail 10 provided in the vertical frame 4 so as to be vertically movable, and is wound on the upper frame of the aluminum sash as in the conventional example. It is taken up by the take-up shaft. The cord 9 constitutes the locking means of the present invention.

On the inner surface of the vertical frame 4, a plurality of pairs of locking projections 11 as second locking pieces facing each other are formed in the width direction of the screen 2, and the guide rail 10 is provided between the locking projections 11. Four protrusions 12 are formed as the first locking pieces to be locked. Therefore, the mounting position of the guide rail 10 can be set by appropriately selecting the locking projection 11 on which the projection 12 is locked. By setting the mounting position of the guide rail 10 according to the width of the screen 2, the screen 2 can be stretched appropriately.

Now, in the thus configured roll blind, since the cord 9 is supported by the guide rails 10, it is possible to prevent the generation of a gap between the screen 2 and the vertical frame 4, and the cord 9 is used for the guide rails. Since it is securely supported inside 10 and is not exposed to the outside of the vertical frame 4, it does not spoil the appearance.

Further, when such a screen 2 is wound around the winding shaft,
Since the width of the string 9 is narrower than that of the conventional fastener 3, the string 9 is wound while being displaced in the longitudinal direction with respect to the winding shaft. As a result, the twist at the center of the screen 2 can be suppressed to be smaller than that of the conventional example.

Further, when the screen 2 is stretched between the guide rails 10, the locking position between the locking ridges 11 and the projections 12, that is, the connecting position of the guide rail 10 to the vertical frame 4 is appropriately adjusted so that the space between the guide rails 10 is increased. Can be adjusted so that the screen 2 is not loosened.

[Effect of device]

As described above in detail, according to the present invention, it is possible to eliminate the slack of the screen even if the width of the screen is not accurately set, and it is possible to provide a roll blind having an excellent appearance.

[Brief description of drawings]

FIG. 1 is a sectional view of a vertical frame of an aluminum sash with a roller blind embodying the present invention, FIG. 2 is a front view of the screen, FIG. 3 is a front view of a conventional aluminum sash with a roller blind, and FIG. FIG. 6 is a front view showing an example of a conventional screen. Screen 2, vertical frame 4, string 9 as locking means, guide rail 10, locking ridge 11 as second locking piece, protrusion 12 as first locking piece

Claims (1)

(57) [Scope of utility model registration request] 1. A roll having guide rails (10) provided on a pair of vertical frames (4), and a screen (2) that can be moved up and down along the guide rails (10) between the guide rails (10). In the blind, the screen (2) is provided on both side edges of the screen (2) with respect to the guide rail (10).
Locking means (9) that is locked so as to allow only vertical movement
Is provided, and one of the vertical frame (4) and the guide rail (10) is provided with a first locking piece (12) projecting toward the other, and the vertical frame (4) and the guide rail (10) are also provided. On the other side, a plurality of second locking pieces (11) protruding toward one side and engaging with the first locking pieces (12) are provided in a plurality of steps in the width direction of the screen (2). .