JP7072227B2 - Horizontally retractable screen device - Google Patents

Description

The present invention relates to a screen device capable of suppressing slack during extension of a horizontally pulled retractable screen as much as possible.

Conventionally, a fastener in which a screen is wound around a winding shaft by horizontal pulling, and a large number of engaging elements (mushi parts) are lined up on one side of a flexible strip along the upper and lower ends of the screen. A member is attached, and the engager is slidably engaged with the slit of the inner rail held in the upper and lower frames of the screen frame to hold the upper and lower ends of the screen, and the insects pass through the upper and lower ends of the screen. A retractable screen device capable of suppressing the infiltration of the screen device has been disclosed in a large number of patent documents and is extremely generally known.

However, in the screen device as described above, in order to smoothly operate the movable frame attached to the lead-out end of the screen and used for opening and closing the screen device, the fastener-like members at the upper and lower ends of the screen and the inner rails of the upper and lower frames are used. No tensile force acts between them, and it is necessary to have a margin between them, but this margin inevitably causes slack in the screen. Therefore, there is a possibility that the screen is inferior in that there is no tension in the screen as compared with the one in which the screen is stretched in the panel frame having a certain shape.

Further, since it is desired that the screen used in the wind-up / retractable screen device be easy to wind up, it is preferable to use a screen having more flexibility than the screen stretched on the panel frame or the like. Therefore, even if an attempt is made to cut the screen to the design dimensions, the cut dimensions are likely to vary, and it is necessary to consider eliminating the slack in the screen due to the variation.

As described above, the technical object of the present invention is to attach a fastener-like member in which a large number of engagers are arranged in a row along the upper and lower ends of a screen to be wound around a take-up shaft by horizontal pulling, and the engagers are attached to a screen frame. In a screen device that is slidably engaged with the slits of the inner rail in the upper and lower frames of the screen to hold the upper and lower ends of the screen in the screen frame and can be opened and closed along the screen frame, the fastener. It is an object of the present invention to provide a screen device capable of suppressing slack during expansion of the screen as much as possible by making only slight improvements in the structure of the shaped member and the inner rail.

In order to solve the above problems, according to the present invention, a winding shaft that allows the screen to be wound by horizontal pulling is provided, and a large number of screens are provided on one side of a flexible strip along the upper and lower sides of the screen. A fastener-like member in which the engaging elements of the screen are arranged in a row is attached so that one side of the engaging elements in a row faces outward, and the engaging elements are slidably slidable in a slit of an inner rail holding the engaging elements in the upper and lower frames of the screen frame. In a horizontal pull-retractable screen device in which the upper and lower ends of the screen are held by the screen frame and can be opened and closed along the upper and lower frames of the screen frame, the strip-shaped body in the fastener-like member is The elastic return force for bending is configured to be larger than the elastic return force for bending of the screen connected to the strip, and at least one of the slits of the inner rail in the upper and lower frames of the screen frame is engaged with it. The fastener-like member to be combined is inclined and engaged with the original screen upholstery surface connecting the upper and lower inner rails facing each other in a plane, and the fastener-like member is self-supporting with respect to the inner rail by the slit. A sideways retractable screen device is provided, characterized in that it is held as a screen device.

In a preferred embodiment of the horizontal pulling retractable screen device according to the present invention, a slit is opened in the inner rail of the screen frame so as to be orthogonal to the direction in which the slit is inclined with respect to the original screen upholstery surface. By providing a surface and opening a slit in the direction in which the slit is to be opened on the slit opening surface, the fastener-like member is tilted with respect to the opening direction of the slit to enable engagement and holding. It is composed.

Further, in another preferred embodiment of the horizontal pull-retractable screen device according to the present invention, a slit inclined with respect to the original screen upholstery surface is provided at an arbitrary portion of the inner rail in the screen frame. , The fastener-shaped member is configured to be tilted with respect to the opening direction of the slit so that the engagement can be held.

In the horizontal pull-retractable screen device having the above configuration, it is assumed that the elastic return force for bending of the strip-shaped member in the fastener-shaped member is larger than the elastic return force for bending of the screen connected to the strip-shaped body. A fastener-like member that engages with the upper and lower frames of the screen frame, or at least one of the slits of the inner rail, is configured to be inclined and engaged with the original screen upholstery surface.

In any case, the fastener-like member is tilted with respect to the original screen upholstery surface, and the fastener-like member is held outside the slit as a self-supporting member without following the inner rail. The elastic return force associated with the bending of the strip may cause a partial variation in the tension of the screen depending on the screen length, but the partial difference in the tension due to the bending of the strip may cause a cutting error. By absorbing it, it is possible to suppress the slack at the time of stretching the screen as much as possible relatively easily.

According to the horizontal pulling retractable screen device of the present invention described in detail above, a fastener-like member is attached along the upper and lower ends of the screen to be wound around the take-up shaft by horizontal pulling, and the engaging element is attached to the upper and lower frames in the screen frame. In a screen device that is slidably engaged with the slit of the inner rail inside and holds the upper and lower ends of the screen in the screen frame so as to be openable and closable, the structure of the fastener-like member and the inner rail is slight. Only by the improvement, it is possible to provide a screen device capable of suppressing the slack of the screen at the time of extension as much as possible.

It is a perspective view which shows the appearance of the side-pulling retractable screen apparatus which concerns on this invention. It is a vertical sectional view of the main part which shows the 1st Embodiment of the horizontal pulling retract type screen apparatus which concerns on this invention. It is sectional drawing of the main part which shows the deformation example when the vertical length of the screen is slightly long in the said 1st Example. In the first embodiment of the present invention, it is explanatory drawing about the elastic return force with respect to the bending of the band-shaped body in the fastener-like member attached to the upper and lower both ends of a screen. It is sectional drawing of the inner rail used in the 2nd Example of this invention.

FIG. 1 shows the appearance of the horizontal pulling retractable screen device according to the present invention, and FIGS. 2 to 4 show a specific configuration of the first embodiment.
The basic configuration of this horizontal pulling retractable screen device is known, and as shown in FIG. 1, the screen frame 1 includes a pair of vertical frames 2, 3 and upper and lower frames 4, 5 of one of them. The vertical frame 2 is configured as a take-up box provided with a take-up shaft for winding the screen 6 inside, and the other vertical frame 3 is an operation frame attached to one end of the screen 6 in the expanded state of the screen 6. The upper and lower frames 4 and 5 are configured as a receiving frame with which the 8 abuts, and one end thereof is connected to the upper and lower ends of the vertical frame 2 constituting the take-up box, and the other end thereof is the other vertical frame 3. It is connected to the upper and lower ends. The winding mechanism of the screen 6 provided in the winding box is a known one in which the screen 6 is wound and stored in the winding shaft by the urging force of the spring provided in the winding shaft.

As shown in FIG. 2, the screen 6 has a fastener-like member 10 in which a large number of engagers 12 are arranged on one side of a flexible strip 11 along both upper and lower ends thereof. The engaging elements 12 are slidably engaged and held in the slits 15 of the inner rail 14 held in the upper and lower frames 4 and 5 in the screen frame 1. The upper and lower ends of the screen 6 are held by the screen frame 1 and can be opened and closed by sliding along the upper and lower frames 4 and 5 of the screen frame 1.

As the fastener-like member 10 used in the screen device, a half body or the like of a fastener-like member that is often used for clothing or the like is usually used, and specifically, a cloth-like or braid-like flexible strip-like member is used. A large number of engaging elements (mushi portions) 12 are arranged in a row on one side of the body 11, but in the present invention, the elastic recovery force against bending of the strip-shaped body 11 is generally determined by an insect net or the like. Focusing on the fact that it is larger than the elastic recovery force for bending of the screen 6 itself, it is intended to utilize it for suppressing the slack of the screen.

Further, since the elastic return force for bending of the strip-shaped body 11 is used for the tension of the screen 6, the fastener-shaped member 10 is pulled directly to the screen 6 along the inner rail 14 or the like outside the slit 15. At least, as shown in FIG. 4, the strip 11 is held by the slit 15 so as to be self-supporting with respect to the inner rail 14 without applying a force, and the elastic recovery force accompanying the bending of the strip is applied. It needs to be working.

Therefore, it is necessary that the elastic recovery force for bending of the strip 11 used in the present invention is larger than the elastic recovery force for bending of the screen 6 connected to the strip 11, which is known. It is not particularly different from that of the fastener-like member used in the screen device, however, in the present invention, the elastic return force thereof is related to the engagement holding configuration of the fastener-like member 10 with respect to the inner rail 14 described below. Therefore, there is a big feature that the screen 6 can be used to suppress slack or the like at the time of extension as much as possible.

On the other hand, inner rails 14 and 14 are arranged in the upper and lower frames 4 and 5 of the screen frame 1, respectively, and the slit opening surfaces 14a in the upper and lower inner rails 14 and 14 within a range connectable to the screen 6 are provided. Is provided with a slit 15 for slidably engaging the engaging element 12 at the upper and lower ends of the screen 6, and the engaging element 12 of the fastener-like member 10 is slidably engaged and held with the slit 15. The upper and lower ends of the screen 6 are held by the screen frame 1, and the screen frame 1 can be opened and closed by sliding along the upper and lower frames 4 and 5.

Further, the fastener-like member 10 to be engaged with the slit 15 of the inner rail 14 in the upper and lower frames 4 and 5 of the screen frame 1 is tilted and engaged with the original screen upholstery surface, and the fastener-like member 10 is engaged. In order to utilize the elastic return force accompanying the bending of the strip-shaped body 11, when the fastener-shaped member 10 is engaged and held in the slit 15 of the inner rail 14, the strip-shaped body 11 in the fastener-shaped member 10 is inner by the slit 15. It needs to be held as self-supporting with respect to the rail 14.

In the horizontal pulling retractable screen device as described above, the inner rails 14 in the upper and lower frames 4 and 5 of the screen frame 1 are usually arranged at positions facing each other, and slits at the positions facing each other are provided. In the present invention, the engaging elements of the fastener-like members provided at both ends of the screen are engaged with the inner rails in the upper and lower frames 4 and 5 as in the embodiment described below. With respect to the slit 15 in 14, the fastener-like member 10 at the upper and lower ends of the screen 6 is inclined and held with respect to the original screen upholstery surface that connects the slits of the upper and lower inner rails facing each other in a plane. It is supposed to be.

More specifically, in the first embodiment shown in FIG. 2, the upper and lower inner rails 14 and 14 facing each other are parallel to the original screen upholstery surface connecting the inner rails 14 and 14 in a plane. The side surface of the inner rail 14 is used as a slit opening surface 14a, and a slit 15 is opened there in a direction orthogonal to the original screen upholstery surface.

In this case, the band-shaped body 11 and the screen 6 in which the engaging element 12 is engaged with the slit 15 cannot be stretched in a plane between the upper and lower frames 4 and 5, and may be partially bent or curved. However, the vertical length of the screen 6 itself is adjusted in advance, and the elastic recovery force against bending of the strip-shaped body 11 in the fastener-shaped member 10 makes the screen 6 connected to the strip-shaped body 11 the upper and lower frames 4, If it is set so that it can be stretched between 5 in an appropriate tension state, the elastic recovery force against bending of the strip 11 is effectively utilized, and the slack of the screen 6 is suppressed as much as possible and the tension thereof is suppressed. Can be set up.

When the screen 6 is stretched in this way, the screen 6 is cut to have a certain length for stretching the screen 6 between the upper and lower frames 4 and 5 in the manufacturing stage of the existing screen device described above. Compared to the inconvenience when there is a slight error or variation in the length of the screen 6, the elastic return force associated with the bending of the strip 11 described above may cause a partial variation in the degree of tension in the screen 6. , The error of cutting can be absorbed by the partial difference in the degree of tension due to the bending of the band-shaped body 11, and the slack at the time of stretching the screen can be suppressed as much as possible. FIG. 3 schematically shows a state in which the screen 6 is loosely bent due to the bending of the strip 11 at a portion where the vertical length of the screen 6 is slightly longer than that of the screen 6 stretched in the state of FIG. It is a thing.

In the first embodiment of the present invention described above, the slit opening surface 14a on the side surface side of the inner rail 14 is parallel to the original screen upholstery surface that connects the upper and lower inner rails facing each other in a plane. Although the configuration in which the slit 15 is opened in the direction orthogonal to the original screen upholstery surface is illustrated in the above, the slit opening surface 14a can be set at an arbitrary angle with respect to the original screen upholstery surface. The slit 15 can be formed, for example, as in the inner rail 24 in the second embodiment of FIG. 5, a slit 15 for engaging a fastener-like member in a direction orthogonal to the inclined slit opening surface 24a can be provided.

Further, the slit 15 inclined with respect to the original screen upholstery surface is opened at an arbitrary portion of the inner rail 14 in the screen frame 1 in the desired direction, whereby the fastener-like member 10 is formed in the slit 15. It can also be configured to be tilted with respect to the opening direction of the to hold the engagement.

It is desirable that the suppression of the slack of the screen 6 based on the present invention is applied to the inner rail 14 in the upper and lower facing frames 4 and 5 of the screen frame 1 and the fastener-like member 10 engaged with the inner rail 14, as described above. Of course, by applying it to at least one of the upper and lower frames 4 and 5, the effect of suppressing the slack of the screen 6 can be expected.

As described above, the tension force of the screen based on the present invention is not equal to the entire width of the screen 6 held by the fastener-shaped member 10, and the degree of curvature of the strip varies in the width direction of the screen. Even so, if the screen is generally pulled, the slack and wrinkles on the screen will be less noticeable.

1 Screen frame 4, 5 Upper and lower frame 6 Screen 10 Fastener-like member 11 Band-shaped body 12 Engagement element 14 Inner rail 14a Slit opening surface 15 Slit

Claims (3)

A fastener-like member having a take-up shaft that allows the screen to be taken up by horizontal pulling, and having a large number of engaging elements arranged on one side of a flexible strip along the upper and lower ends of the screen. One side of the row of engagement elements is attached toward the outside, and the engagement elements are slidably engaged with the slits of the inner rail held by the upper and lower frames of the screen frame, and the upper and lower ends of the screen are set. In a horizontal pull-retractable screen device that is held in the screen frame and can be opened and closed along the upper and lower frames of the screen frame.
The strip-shaped body in the fastener-shaped member is configured such that the elastic recovery force for bending thereof is larger than the elastic recovery force for bending of the screen connected to the strip-shaped body.
The fastener-like member that engages at least one of the slits of the inner rail in the upper and lower frames of the screen frame is tilted with respect to the original screen upholstery surface that connects the upper and lower inner rails facing each other in a plane. The fastener-like member is engaged and held by the slit so as to be self-supporting with respect to the inner rail.
A horizontal pull-out retractable screen device that features this. In the horizontal pulling retractable screen device according to claim 1,
The inner rail in the screen frame is provided with a slit opening surface orthogonal to the direction in which the slit is inclined with respect to the original screen upholstery surface, and the slit is to be opened on the slit opening surface. By opening the slit, the fastener-shaped member is tilted with respect to the opening direction of the slit so that the engagement can be held.
A horizontal pull-out retractable screen device that features this. In the horizontal pulling retractable screen device according to claim 1,
By opening a slit inclined with respect to the original screen upholstery surface at an arbitrary part of the inner rail in the screen frame, the fastener-like member can be inclined with respect to the opening direction of the slit to hold the engagement. I have to,
A horizontal pull-out retractable screen device that features this.

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