JP2003148066A - Double sliding screen device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double sliding screen device which prevents screens from passing a meeting position and avoids a completely stretched state of the screens. SOLUTION: In this double sliding screen device, a stopper 7 for preventing the screens 3A and 3B from passing the meeting position is mounted at a place in a screen frame 2, corresponding to the meeting position between the screens 3A and 3B; and guide rails 6A and 6B are mounted in a state of being held to the screen frame 2 by the stopper 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-opening screen device in which a screen such as a net for the purpose of insect prevention and light shielding is expanded and contracted in an accordion type so that it can be opened and closed.

[0002]

2. Description of the Related Art Conventionally, a double-opening screen device of this type has a screen frame attached to the opening of a building such as a insect repellent or the like in which the opening / closing direction is aligned with a horizontal glass window or door provided in the opening of the building. A screen is installed for the purpose, and as this screen, it is folded back in the opposite direction alternately and a number of pleats are applied, so that it can be folded and expanded in an accordion type, and the pair of left and right sides of the screen can be opened horizontally and horizontally. And, it is known that the left and right screens are assembled at the center position of the screen frame and fully closed. However, in the double-opening screen device as described above, there is a problem that the screen passes through the summing position, the folding part of the screen is expanded and stretched, and the screen is damaged or comes off the screen frame. It is desired to prevent this with a simple means.

On the other hand, in this type of screen device, at the time of assembly, repair, replacement of parts, etc.
It is desired that the movable frame that slides along the guide rail or the upper end of the screen and the movable frame can be easily attached to and detached from the guide rail, and various configurations for that purpose have been adopted from the past. It is desired to realize it without any special processing.

[0004]

The problems to be solved by the present invention have been made in view of the above problems, and prevent the movable frame from passing through the assembling position, and It is an object of the present invention to provide a double-opening screen device capable of avoiding full extension by a simple means. Another object of the present invention is to effectively utilize the means for preventing the movable frame from passing through the summing position, and to easily attach and detach the guide rail, the movable frame, and the screen from the horizontal frame. The present invention is to provide a double screen device.

[0005]

In order to solve the above-mentioned problems, the present invention provides a large number of parallel and evenly spaced intervals on both vertical frames of a screen frame having a pair of opposing vertical frames and at least an upper horizontal frame. The base ends of a pair of screens that expand and contract in an accordion manner by alternately bending in opposite directions at the bending parts are fixed, and movable frames for opening and closing operations are attached to the front ends of the screens. In a double-opening screen device in which the screen is expanded and contracted by sliding a frame along a guide rail provided on the horizontal frame, the guide rail is formed separately from the horizontal frame, and the screen is closed. A stopper to prevent the movable frame from moving beyond the specified summing position during operation is installed at a location corresponding to the summing position on the horizontal frame. With kicked, the guide rail by the stopper is characterized in that attached to said lateral frame.

In the double-opening screen device described above, the end portions of the guide rails for guiding the left and right movable frames on the vertical frame side are inserted and held between the step portion and the horizontal frame at the upper portions of the left and right vertical frames, respectively. The end of the guide rail on the summing side is supported by the stopper, and in the stopper, a pair of projecting pieces for receiving the end of the guide rail are horizontally projected on both sides of the tip of the body, and A projection is provided at the tip of the projection, and is fixed to the horizontal frame by a screw penetrating the projection and the body, and the tip of the projection and / or the side surface of the projection serves as the contact surface of the movable frame. Is appropriate.

As described above, in the present invention, since the stopper is attached to the summing position of the screen, the movement of the screen is reliably stopped at the summing position, and further movement is prevented, and the screen is bent. It is possible to prevent the parts from expanding and extending and being damaged. Further, since the stopper is attached to the horizontal frame so as to support the guide rail between itself and the horizontal frame, the guide rail is attached to the horizontal frame at the same time as the stopper is attached. And movable frame,
Not only can the screen be easily attached and detached, but the number of steps for assembling the screen device can be reduced and the assemblability can be improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a double screen device according to the present invention will be described below with reference to FIGS. This double-opening screen device shows an example in which the present invention is applied to an insect screen door, and the screen door 1 includes upper and lower horizontal frames 2
A screen door frame (screen frame) 2 composed of a and 2b and vertical frames 2c and 2c that also function as a pair of storage cases is provided, and a large number of parallel, evenly-spaced folds are formed in the screen door frame 2 in the vertical direction. A pair of nets (screens) 3A and 3B which are accordionally expandable and retractable by alternately bending in the opposite directions at the bending portions are attached so that they can be opened to the left and right. That is, the base end portions of the pair of nets 3A and 3B have vertical frames 2c and 2 which can store them individually.
Movable frames 4A and 4B for opening and closing operations, which are fixed in c and are moved along the upper and lower horizontal frames 2a and 2b, are attached to the tip ends of the nets 3A and 3B, respectively.

The screen frame 2 has a horizontal frame 2b on the floor.
In order to eliminate the step due to
The lower horizontal frame 2b can be omitted, or the lower horizontal frame 2b bends to move in and out of the vertical frames 2c, 2c, and thereby move in and out of the vertical frame as the movable frames 4A, 4B move. It may be one.

Within the horizontal frame 2a, a pair of left and right guide rails 6A and 6B having the same length are provided along the positions where the upper ends of the nets 3A and 3B run via an intervening member 2d having elasticity such as sponge. Are arranged in a line. These guide rails 6A, 6B are inserted between the horizontal frame 2a and a step 2e formed by notching the upper ends of the vertical frames 2c in a stepped manner at the ends on the side of the vertical frames 2c, 2c. The guide rails 6A and 6B are held together, and the ends of the guide rails 6A and 6B are in contact with each other, that is, the nets 3A and 3 in the horizontal frame 2a.
A stopper 7 is attached to a position corresponding to the summing position of the movable frames 4A, 4B when the B is closed, and the guide rails 6A, 6B are attached by the stopper 7.
Are attached to the horizontal frame.

The stopper 7 is basically a movable frame 4A, at the summing position of the nets 3A, 3B.
4B is abutted and stopped so as to prevent the movable frames 4A and 4B from moving beyond a predetermined summing position when the nets 3A and 3B are closed. It also has a mounting function for 6A and 6B.

Specifically, the stopper 7 is shown in FIGS.
As shown in FIG. 3, a pair of projecting pieces 7 for receiving the ends of the guide rails 6A and 6B on both sides of the tip of the substantially rectangular parallelepiped body 7a.
b and 7b are projected in the horizontal direction, a cylindrical convex portion 7c is projected in the center of the tip of the body portion 7a, and a screw 7e is inserted through a screw hole 7d penetrating the convex portion 7c and the body portion 7a. Horizontal frame 2
It is fixed by being screwed into a. The guide rails 6A, 6B are held in a state of being sandwiched between the guide rails 6A, 6B and the lateral frame 2a by the projecting pieces 7b, 7b at the summing position of the movable frames, and the movable frames 4A, 4B of the stopper 7 are held.
The abutting surface of can be the tip of the projecting pieces 7b, 7b and / or the side surface of the convex portion 7c.

Each of the guide rails 6A and 6B is formed with a slit-shaped rail portion 8 whose inside is enlarged along the longitudinal direction thereof, and these rail portions 8 guide the movable frames 4A and 4B. However, as will be described later, the nets 3A and 3B are connected to the guide hooks 5 respectively.
It is also possible to engage with the rail portion 8 via and to guide it in the left-right direction.

The guide rail 6 shown in FIGS.
The A and 6B and the stopper 7 are attached to the upper horizontal frame 2a, but as shown in FIG. 5, the guide rails similar to the guide rails 6A and 6B are also provided in the lower horizontal frame 2b. 6C can be provided. The guide rails 6C can be fixed to the center of a pair of things by a stopper just like the guide rails 6A and 6B, but can be of another structure. Further, when the lower horizontal frame 2b is omitted, the lower guide rail is naturally not provided, but in this case, the movable frame 4
A and 4B are the upper guide rails 6A and 6B, and the rail portion 8
It is necessary to make it slidably held in the suspension.

In the nets 3A, 3B, a plurality of tension strings 9 in a tensioned state are horizontally inserted. This string 9
Can be used to move the movable frames 4A and 4B in parallel, or to interlock the movable frames 4A and 4B. Further, the tip of the tension cord 9 is connected to the movable frames 4A and 4B.
It can be used as a spring (not shown) built in the vertical frame 2c to wind the movable frame 4A, 4B in the opening direction. In the case of the accordion type telescopic nets 3A and 3B, the folded portions of the nets 3A and 3B are easily expanded and expanded by the action of wind pressure, so the tension cord 9 that is tensioned by a spring or the like is inserted into the nets 3A and 3B. It is effective to prevent the nets 3A and 3B from bulging and stabilize the tensioned state.

A plurality of guide hooks 5 are attached to the tension cord 9 inserted in the upper and lower parts of the nets 3A and 3B at predetermined intervals, and the guide hooks 5 are attached to the slit-shaped rail portion 8 of the guide rail. The base portion 5a (Fig. 5) of the above is slidably locked, whereby the upper and lower ends of the nets 3A and 3B can be held by the guide rails. In addition,
When the lower guide rail 2b is not provided, the net 3
Of course, the lower ends of A and 3B cannot be held.

When attaching the guide rails 6A and 6B to the upper horizontal frame 2a, the guide rail 6 is provided with the interposing member 2d interposed between the guide rails 6A and 6B.
A stopper that holds one end of each of A and 6B on a stepped step portion 2e above the left and right vertical frames 2c, and fixes the other end to the horizontal frame 2a with a screw 7e at a combination position of the movable frames 4A and 4B. Hold by 7. At that time, the movable frame 4A,
The end portion of 4B is guided by the rail portion 8 of the guide rails 6A and 6B, and the guide hook 5 slidably locked to the rail portion 8 is inserted into the nets 3A and 3B.
Are locked at appropriate intervals. Therefore, the guide rail 6
A and 6B have the horizontal frame 2 at the same time when the stopper 7 is attached.
attached to a, and guide rails 6A, 6 for the horizontal frame 2a
B, the movable frames 4A and 4B, and the nets 3A and 3B can be easily assembled.

On the contrary, the guide rails 6A from the horizontal frame 2a,
6B, the movable frames 4A, 4B, the nets 3A, 3B, etc. can be disengaged by simply removing the stopper 7, whereby the guide rails 6A, 6B, etc. can be easily disassembled. As described above, according to the above configuration, the guide rails 6A and 6B, the movable frames 4A and 4B, the nets 3A and 3B, and the like can be easily attached to and detached from the screen door frame 2, reducing the number of screen door assembly steps and improving the assemblability. Is planned.

In the insect screen door having the above structure, when the nets 3A and 3B are opened, the movable frames 4A and 4B are moved in the opening direction, and the nets 3A and 3B are folded and stored in the vertical frame. When the net is stretched, the movable frames 4A and 4B are moved to the summing position. In this case, since the stopper 7 is attached to the summing position of the nets 3A, 3B, the movable frames 4A, 4
B is securely stopped at the summing position, and further movement is blocked. Therefore, it is possible to prevent the folding portion from unfolding and extending due to the nets 3A and 3B passing through the summing position.

Here, the net 3 suitable for insect repellent is used.
Although the insect screen screen provided with A and 3B has been described as an example, it is needless to say that instead of this, a screen suitable for light-shielding property or blindfold may be used, and in that case, the same effect can be obtained. .

[0021]

According to the double-opening screen device of the present invention described in detail above, since the stopper for preventing the screen from moving beyond the predetermined summing position is attached, the screen can be closed when the screen is closed. It is possible to solve the problems that the folding part is fully extended to damage the screen or the screen comes off the screen frame. At the same time, since the guide rail is attached to the horizontal frame by the stopper,
Since the guide rail can be attached at the same time by attaching the stopper, the number of construction steps can be reduced and the installation can be facilitated.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a double screen device according to the present invention in a partial cross section.

FIG. 2 is a perspective view of an essential part of the above embodiment.

FIG. 3 is a perspective view of a stopper in the above embodiment.

FIG. 4 is a cross-sectional view of the above embodiment.

FIG. 5 is a vertical sectional view of the above embodiment.

[Explanation of symbols]

1 screen door 2 screen door frame 2a, 2b horizontal frame 2c vertical frame 3A, 3B net 4A, 4B movable frame 6A, 6B, 6C Guide rail 7 stopper

Claims (3)

[Claims] 1. An accordion by alternately bending in opposite directions in a large number of parallel and equally-spaced bending portions on both vertical frames of a screen frame having a pair of opposing vertical frames and at least an upper horizontal frame. The base ends of a pair of screens that expand and contract in a fixed manner are fixed, movable frames for opening and closing are attached to the distal ends of the screens, and the movable frames slide along the guide rails provided on the horizontal frame. In the double-opening screen device in which the screen is expanded and contracted by opening and closing, the guide rail is formed separately from the horizontal frame, and when the screen is closed, the movable frame moves beyond a predetermined summing position. A stopper for preventing this is attached to the horizontal frame at a position corresponding to the summing position, and the stopper prevents the guide rail from moving. Facing the screen device le is characterized in that, attached to said lateral frame. 2. The end portions of the guide rails for guiding the left and right movable frames on the vertical frame side are inserted and held between the step portion and the horizontal frame at the upper portions of the left and right vertical frames, so that the guide rails on both guide rails can be held. The double-opening screen device according to claim 1, wherein an end portion on the mating side is supported by the stopper. 3. A pair of projecting pieces for receiving the end portions of the guide rails project horizontally on both sides of the tip portion of the body portion of the stopper, and a projecting portion projects on the tip of the body portion. It fixes to the horizontal frame with the screw which penetrates a part and a body, and made the tip of the above-mentioned piece and / or the side of the convex part the contact surface of a movable frame, The claim 1 or 2 characterized by the above-mentioned. Double screen device.