JP2003161089A - Screen device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen device capable of widely setting the opening and closing range of a screen at a low cost by using existing styles not only achieving the barrier free situation but also eliminating upper and lower frames for the opening portion of a building. <P>SOLUTION: First and second vertical styles 4A and 4B formed hollow at both the right and left ends of pleated-shaped screen 3, the first and second vertical styles 4A and 4B formed hollow are respectively installed, to a screen device 1 at least one of which can be made drawn vertically, one end portion is respectively fixed to the first style 4B and to the upper end portion of the second vertical style 4A, and as the screen 3 is expanded or shrunk, the second vertical style 4A and the upper end portion of the first vertical style 4B are bent to the inside and comes in and out and led along the upper end and the lower end of the screen 3, the first guide body 5A and the second guide body 5B respectively having flexibility and guiding the upper end and the lower end of the screen 3 in a tensioned state are provided. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen device for insect protection, light shielding, blindfolding, heat insulation, etc., in which an expandable and retractable screen alternately folded back in the opposite direction can be opened and closed by lateral pulling. The present invention relates to a screen device in which a guide body is led out from inside the vertical frame along the upper and lower ends of the screen when the screen having vertical frames attached to both ends extends or closes.

[0002]

2. Description of the Related Art Conventionally, as a screen device of this type, in a screen device in which a horizontally movable hollow vertical frame is mounted on both left and right ends of a pleated screen, one vertical end has one vertical frame. A pair of guides fixed to the upper and lower ends of the vertical frame and extending in and out from the upper and lower ends of the other vertical frame as the screen expands and contracts is disclosed in, for example, Japanese Patent Laid-Open No. 9-88456. Are known. By doing so, it is possible to eliminate the lower frame of the building opening that causes obstacles such as walking, and at the same time, it is possible to improve the appearance of the building opening by removing the upper frame. .

However, in the above screen device,
Since a pair of guide bodies, one end of which is fixed to the upper and lower ends of one of the vertical frames, are accommodated in the other vertical frame from the upper and lower ends thereof at the same time when the screen is contracted. In order to widen the opening and closing range of the screen as much as possible, it is necessary to devise a way to shift the orbits of both guide bodies in the vertical frame so that the other ends of the guide bodies do not collide with each other when the screen is contracted. However, for that purpose, it is necessary to form a partition wall or the like for dividing the orbits of both guide bodies on the inner surface of the vertical frame, which causes a problem of high cost.

[0004]

The technical problem of the present invention has been made in view of the above-mentioned problems, and a pair of guide bodies for guiding the upper and lower ends of the screen are provided in the screen. In the screen device configured to move in and out of the vertical frame attached to the screen as it expands and contracts, it is possible to widen the opening / closing range at low cost by using the existing vertical frame. To provide a screen device.

[0005]

A screen device according to the present invention for solving the above problems is a hollow pleated screen formed at the left and right ends of a pleated screen which is alternately folded back and expanded in opposite directions. And a second vertical frame, and a screen device for opening and closing a building opening by laterally pulling at least one of the vertical frames, one end of which is the first vertical frame. It is fixed to the upper end portion, and as the screen expands and contracts, it bends in and out from the upper end portion of the second vertical frame and is led out along the upper end of the screen in a stretched state. When, when the first guide body having flexibility for guiding the upper end of the screen and the end portion is fixed to the lower end portion of the second vertical frame, as the screen expands and contracts, First above A flexible second guide body that bends in and out from the lower end of the vertical frame and guides the lower end of the screen when it is led out along the lower end of the screen in a stretched state. And are provided.

As described above, in the above screen device, the first guide body moves in and out from the upper end of the second vertical frame and the second guide body moves inward from the lower end of the first vertical frame. By adopting a structure for entering and leaving, it is possible to eliminate the lower frame of the building opening that may obstruct walking, etc., and not only to improve the appearance of the building opening, but also the first and second Since the two guide bodies are individually housed in the left and right vertical frames, it is possible to set a wide open / close range of the screen device at low cost by using the existing vertical frame.

In the screen device, the second
A first stopper for preventing the other end of the first guide body from coming off the second vertical frame near the upper end of the vertical frame, and near the lower end of the first vertical frame. It is preferable to provide a second stopper that prevents the other end of the second guide body from being pulled out from the first vertical frame.

In addition, in the screen device, first and second ends each having one end connected to the other end of each of the guide bodies.
The tension cord is laid around the screen and each vertical frame,
In the stretched state of the screen, a wire tension mechanism that supports the screen can be attached by being stretched in the opening and closing directions of the screen.

In particular, in the case where both the vertical frames can be pulled horizontally, at least one of the vertical frames is restrained by a required number of tension cords to open and close the screen in a stable posture. It is preferable to attach an opening / closing assist mechanism. By doing so, since the vertical frame is stably held by the tension of the required number of tension cords, it is possible to open and close the screen in a stable posture regardless of which vertical frame is operated.

The opening / closing assist mechanism has one end fixed to one side frame in the building opening, passes through the upper end of the screen, and moves the inside of the vertical frame on the other side frame side from the upper end to the lower end. A third tension string that is inserted and the other end is fixed to the other side frame, and one end is fixed to the other side frame in the building opening, and the inside of the vertical frame located on the other side frame side. A fourth tension string is inserted from the upper end toward the lower end, passes through the lower end of the screen, and the other end is fixed to the one side frame.

[0011]

1 to 3 show a first embodiment of a screen device according to the present invention, in which one vertical frame is fixed to one side frame of a building opening and the other is Among the screen devices that are opened and closed by horizontally pulling the vertical frame, the insect screen door 1 is particularly illustrated. Of course, the screen device can be used not only for insect repellent but also for light shielding, blinding, heat insulating, or the like.

The insect screen 1 is a pleated net 3 which is alternately folded back in the opposite direction and expands and contracts in an accordion manner.
And a movable vertical frame 4A attached to one end of the net 3 for opening and closing operations, and a fixed vertical frame 4B attached to the other end of the net 3, as shown in FIG. The fixed vertical frame 4B is fixedly installed on the side frame 2B between the side frames 2A and 2B installed on the left and right sides of the vehicle, and can be opened and closed laterally by operating the movable vertical frame 4A.

The building openings are provided on the left and right side frames 2A and 2B.
However, it is not necessary to provide upper and lower frames for supporting and guiding the upper and lower ends of the insect screen door 1, and instead of this, the movable vertical frame 4
With the movement of A, the guide bodies 5A and 5B are projected and retracted from the upper end of the movable vertical frame 4A and the lower end of the fixed vertical frame 4B, respectively.

Each of the vertical frames 4A and 4B is hollow and
The movable vertical frame 4A is provided near the upper end thereof, and the fixed vertical frame 4B is provided near the lower end thereof with openings for allowing the guide bodies 5A and 5B to move in and out, respectively. In addition, the guide body 5A
Has one end fixed near the upper end of the fixed vertical frame 4B, and bends in and out from the opening near the upper end of the movable vertical frame 4A in response to expansion and contraction of the net 3 accompanying the operation of the movable vertical frame 4A. When the net 3 is in a stretched state, the net 3 is guided out along the upper end of the net 3, and the upper end of the net 3 is guided while being held from both sides. When the net 3 is in the contracted state, It is adapted to be housed inside the movable vertical frame 4A.

On the other hand, one end of the guide body 5B is also fixed near the lower end of the movable vertical frame 4A, and the opening near the lower end of the fixed vertical frame 4B is expanded and contracted in accordance with the expansion and contraction of the net 3 accompanying the operation of the movable vertical frame 4A. When the net 3 is in a stretched state, it is led out along the lower end of the net 3, and the lower end of the net 3 is guided while being held from both sides, When the net 3 is in the contracted state, it is accommodated inside the fixed vertical frame 4B.

Therefore, in the state where the net 3 is contracted and the insect screen 1 is opened, it is possible to eliminate the lower frame which obstructs pedestrians and the like passing through the building opening, and is barrier-free for the elderly and the disabled. Since it is possible to eliminate the upper frame, it is possible to improve the appearance of the building opening. In addition, existing vertical frames 4A, 4
B is used to accommodate therein guide bodies 5A and 5B having substantially the same length as the lengths of the vertical stiles 4A and 4B. Since it can be set to almost the same length, at low cost,
It is possible to secure a wide opening / closing range.

The insect screen 1 has guide bodies 5A and 5A.
Since B is configured to guide the upper and lower ends of the stretched net 3 from both sides thereof, not only the expansion and contraction operation of the net 3 is smooth, but also the net 3 is affected by wind or the like. Even if force is applied from the surface direction of
The shaking is suppressed, and it is possible to maintain a stable tensioned state.

More specifically, the movable vertical frame 4A and the fixed vertical frame 4B detachably attached to both ends of the pleat-shaped net 3 by appropriate locking means are hollow in the longitudinal direction, Usually, a tension cord or the like of the wire tension mechanism is inserted, but in the present application, it is also used as an internal space for accommodating the guide bodies 5A and 5B. An opening for allowing the guide body 5A to move in and out is provided at the upper end of the surface of the movable vertical frame 4A attached to the net 3, and one end of the guide body 5B is fixed to the inside at the lower end. The fixed vertical frame 4 is provided with an opening for
At the upper end of the surface attached to the net 3 in B,
An opening for fixing one end of the guide body 5A inside is provided, and an opening for allowing the guide body 5B to move in and out is provided at the lower end.

The guide bodies 5A and 5B are provided in the upper opening of the movable vertical frame 4A and the lower opening of the fixed vertical frame 4B.
Are bent smoothly from these openings, and each vertical frame 4A,
Bending guide portions 6A and 6B for guiding the inside of 4B are provided, and the guide bodies 5A and 5B can be easily moved in and out of the movable vertical frame 4A and the fixed vertical frame 4B. Further, door rollers 7 are provided at the upper and lower ends of the movable vertical frame 4A, and the movable vertical frame 4 is moved by running the door roller 7 along rails (not shown) provided at the upper and lower parts of the building opening.
The movement of A becomes easy and the insect screen door 1 described above becomes smoother.
It is possible to open and close.

The guide members 5A and 5B are long members integrally formed of resin, and as shown in FIG.
A bottom 51 for accommodating the upper and lower ends of the net, and a plurality of recessed portions 52 at regular intervals for allowing the bottom 51 to bend are cut, and the net 3 is held from both sides to prevent its shaking. A cross-section including a pair of side wall portions 53 and a substantially U-shaped cross section, and projecting ridges 54 bent inward are provided on both sides of the back surface of the bottom portion 51.
A notch 55 that facilitates the bending of the bottom portion 51 is cut at a position corresponding to 2.

Then, one end of the guide body 5A is fixed inside the upper end of the fixed rod 4B, and one end of the guide body 5B is fixed inside the upper end of the movable vertical rod 4A. The movable vertical frame 4 fixed by means
Along with the opening / closing operation of the insect screen door 1 by the movement of A, the guide body 5A is guided from the upper opening of the movable vertical frame 4A by the bending guide portion 6A and bends into and out of the guide body 5A. 5B is guided through the lower opening of the fixed vertical frame 4B by the bending guide portion 6B and goes in and out while being bent inside. In addition, the guide bodies 5A, 5
When B is led out to the upper and lower ends of the net 3, the upper and lower ends of the net 3 are supported from both sides by the side wall portions 53 provided on both sides in the longitudinal direction of the guide bodies 5A and 5B. .

Between the other end of the guide body 5A and the upper part of the movable vertical frame 4A, and between the other end of the guide body 5B and the fixed vertical frame 4B.
A stopper mechanism for preventing the other ends of the guide bodies 5A and 5B from being pulled out from the vertical frames 4A and 4B is provided between the lower ends of the vertical bars 4A and 4B.

Specifically, a stopper piece 11 is provided in the upper part of the movable vertical frame 4A, and a locking piece 12 is provided at the other end of the guide body 5A, and the guide body 5A has the vertical axis. When the other end is led out from the frame 4A and moved to the upper part inside the movable frame 4A, the locking piece 12 is brought into contact with the stopper piece 11 and locked, and the other end of the guide body 5A is moved to the movable frame. It is prevented from coming off from the upper part of 4A. on the other hand,
A stopper piece 11 is also provided below the fixed vertical frame 4B,
The locking piece 12 is also provided at the other end of the guide body 5B, and when the guide body 5B is led out from the inside of the vertical frame 4B and the other end moves to the lower part inside the fixed vertical frame 4B,
The locking piece 12 comes into contact with the stopper piece 11 and is locked,
The other end of the guide body 5B is prevented from coming off from the lower portion of the fixed vertical frame 4B.

At the same time, the stopper mechanism limits the maximum guide length of the guide bodies 5A, 5B from the vertical rods 4A, 4B, so that the movable range of the movable vertical rod 4A, that is, the maximum extension of the net 3 is extended. The width is limited.

On the other hand, the insect screen door 1 of this embodiment is equipped with a wire tension mechanism. Specifically, one end of a tension cord 7A is connected to the other end of the guide body 5A, and a lower end of a turning piece 8 is provided at substantially the same position as the stopper piece 11 in the upper part of the movable vertical frame 4A. It is bent back to, and is horizontally bent by the turning element 8 provided at the lower part, is horizontally inserted into the lower part of the net 3, and is further bent by the lower turning element 8 in the fixed vertical frame 4B, and the fixed vertical frame 4B. The other end is fixed inside. On the other hand, one end of a tension string 7B is connected to the other end of the guide body 5B, and the fixed vertical frame 4B is connected.
It is folded back upward by the turning element 8 provided at substantially the same position as the inner and lower stopper pieces 11, is bent horizontally by the turning element 8 provided on the upper side, and is horizontally inserted through the upper portion of the net 3, The other end is fixed inside the movable vertical frame 4A by being deflected by the turning element 8 in the upper part of the movable vertical frame 4A.

By doing so, the slack of the net 3 is prevented by the tension cords 7A and 7B, so that the tensioned state of the net 3 can be stabilized and, at the same time, the movable vertical frame 4
Since A is prevented from inclining in the movement direction during the opening / closing operation, the movable vertical frame 4A can be smoothly operated.

FIGS. 4 (a) and 4 (b) exemplarily show how the insect screen door 1 according to the first embodiment is used.
FIG. 4 (a) shows that the insect screen 1 is installed along two sliding doors 30 attached to a building opening, and a fixed vertical frame 4B is fixed to one side frame 2B, and a movable vertical frame is installed. It shows a case where the frame 4A is used such that it can be opened and closed within a range corresponding to the width of one shoji screen. Also, the side frame 2B
4B, in addition to the insect screen door 1 mounted on the other side, the same fixed frame 4B of the insect screen door 1 is fixed to the other side frame 2A, and two shoji 30 are mounted. It is also possible to bring together the movable vertical frames 4A and 4A of the above-mentioned two insect screen doors 1 at the center in the left-right direction of the building opening.

When the insect screen 1 according to the first embodiment is used in this manner, a strip packing 9 extending in the height direction is arranged on the surface of the movable vertical frame 4A facing the shoji 30. The gap between the insect screen 1 and the shoji 30 is blocked,
Invasion of insects can be more reliably prevented.

7 and 8 show a second embodiment of the screen device according to the present invention. Here, in order to avoid duplication of description, the same components as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. In the second embodiment according to the present invention, among the screen devices of the so-called hangable type in which a movable vertical frame 4C is provided in place of the fixed vertical frame 4B of the first example, especially a insect screen door 10 is provided.
Is illustrated. Of course, the screen device can be used not only for insect repellent but also for light shielding, blinding, heat insulating, or the like.

In the second embodiment, the movable rods 4 which can move the rods attached to both ends of the net 3 in the left and right directions together.
A and 4C, and one of them, the movable vertical frame 4C, can be maintained parallel to the side frames 2A and 2B arranged on both sides of the building opening when moving and stopping by opening and closing operations, etc. It is held by an opening / closing assist mechanism.
On the other hand, with respect to the movable vertical frame 4A which is not held by the opening / closing auxiliary mechanism, the parallel state is maintained with respect to the movable vertical frame 4C to which the opening / closing auxiliary mechanism is attached by the wire tension mechanism.

More specifically, the opening / closing assist mechanism has two
It is composed of book tension cords 41 and 42, and one end of the tension cord 41 is fixed to the upper part of the one side frame 2A in the building opening, and is located from the upper end of the movable vertical frame 4A to the upper end of the net 3. Then, it goes through the inside of the concave groove formed by the back surface of the bottom portion 51 of the guide body 5A and the projections 54 provided on both sides thereof to the upper end of the movable vertical frame 4C, and is bent downward. The movable stringer 4C is sequentially guided to the lower end along the inside thereof, and the other end of the tension cord 41 is fixed to the lower portion of the other side frame 2B.

On the other hand, one end of the tension cord 42 is fixed to the upper portion of the other side frame 2B in the opening of the building, etc., bent downward at the upper end of the movable vertical frame 4C, and then the inside of the movable vertical frame 4C. Along the lower end of the net 3 through the recessed groove of the guide body 5B, and further through the lower end of the movable vertical frame 4A, the other end of the tension cord 42, It is fixed to the lower part of the one side frame 2A.

By doing so, the movable vertical frame 4C is
The tension of the tension cord 41 and the tension of the tension cord 42 act in directions opposite to each other, and these tensions maintain balance, so that the movable vertical frame 4
C is always restrained in a vertical posture, and since the wire tension mechanism keeps the movable vertical frame 4A in parallel with the movable vertical frame 4C, the insect door screen 10 can be opened and closed. Even when the movable vertical frames 4A and 4C are moved, the vertical postures are always maintained without tilting, and stable operation is possible.

FIGS. 9 and 10 exemplarily show a mode of use of the insect screen door 10 according to the second embodiment of the present invention. Two insect sliding screens 3 having the insect screen door 10 attached to a building opening are used.
It shows a case where it is installed along 0 and is used so that it can be opened and closed within the range corresponding to the width of one shoji screen. The insect screen door 10 according to the present embodiment includes both side frames 2A and 2A.
Since it can be freely moved between B, if one is attached to the building opening, it can be applied to any of the two left and right shoji.

The movable vertical frame 4C is the movable vertical frame 4A.
Similarly, the door pulley 7 is provided at the upper and lower ends thereof, and the belt-like packing 9 extending in the height direction is provided on the surface facing the shoji 30.

By the way, in each of the above embodiments, FIG.
Instead of the guide bodies 5A and 5B shown in FIG. 6, guide bodies 60A and 60B as shown in FIG. 6 may be used. The guide bodies 60A and 60B are formed of a long strip that is elastic and bendable, and has a sheet material 61 for accommodating the upper end or the lower end of the net 3, and a plurality of guide pieces 62 having a substantially U-shaped cross section. These guide pieces 62 have a pair of grooves 64 for inserting the above-mentioned sheet material at both ends of the surface of the bottom portion 63 thereof, and the plurality of guide pieces 62 are provided with the sheet material 61.
Are arranged and connected in a line in the longitudinal direction.
The guide piece bodies 62 located at both ends of the sheet material 61 in the longitudinal direction are fixed to the sheet material 61 so that the guide pieces 62 at the intermediate position are not separated from the sheet material 61.

From both ends of the surface of the bottom portion 63,
A pair of side wall portions 65 for holding the net 3 from both sides to prevent the net 3 from swinging are formed upright, and concave portions 66 are alternately formed on the inner surface and the outer surface of the side wall portion 65 to form a guide member. When the 60A and 60B are bent, the recesses 66 on the inner and outer surfaces of the adjacent side wall portions 65 are overlapped with each other, so that the guide bodies 60A and 60B can be bent. Then, inwardly bent protrusions 67 are provided at both ends of the back surface of the bottom portion 63, and the above-mentioned tension cords and the like are placed in the groove formed by the bottom portion 63 and both protrusions 67, 67. It can be inserted.

Although the embodiments according to the present invention have been described in detail above, the present invention is not limited to the screen devices described in the above embodiments, but is described in the claims of the present invention. Various modifications can be made in the design without departing from the spirit of the invention. For example, the wire tension mechanism is not limited to the form of each of the above embodiments, and other forms may be adopted. Also, the opening / closing assist mechanism of the second embodiment is not limited to the above-described form, but may be provided on the other movable vertical frame 4A, and the tension cord is not limited to two. The required number may be used in consideration of the shapes and sizes of the movable vertical frames 4A and 4C and the rigidity of the tension cord.

[0039]

According to the screen device of the present invention described in detail above, the first guide body moves in and out from the upper end of the second vertical frame, and the second guide body moves into the first vertical frame. Since it is configured to enter and exit from the lower end of the frame, it is possible to eliminate the lower frame of the building opening that may cause obstacles such as walking, and to improve the appearance of the building opening. Instead, since the first and second guide bodies are individually housed in the left and right vertical frames, it is possible to set a wide open / close range of the screen device at low cost by using the existing vertical frame. It will be possible.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a screen device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line II of FIG.

FIG. 3 is a side view of FIG.

4A and 4B are cross-sectional views showing an installed state of the screen device according to the first embodiment of the present invention.

FIG. 5 is a partial perspective view of a guide body.

FIG. 6 is a partial perspective view of another guide body.

FIG. 7 is a partial cross-sectional view of a screen device according to a second embodiment of the present invention.

8 is a cross-sectional view taken along the line II-II of FIG.

FIG. 9 is a cross-sectional view showing an installed state of a screen device according to a second embodiment of the present invention.

FIG. 10 is a cross-sectional view showing another installation state of the screen device according to the second embodiment of the present invention.

[Explanation of symbols]

1,10 insect screen (screen device) 2A, 2B side frame 3 Net (screen) 4A, 4C movable vertical frame 4B fixed vertical frame 5A, 5B, 60A, 60B guide body 7A, 7B, 41, 42 tension string 11 stopper pieces 12 Locking piece

Claims (5)

[Claims] 1. Hollow first and second vertical frames are attached to the left and right ends of a pleat-shaped screen which is alternately folded back and forth and is expandable and contractable, and at least one of the vertical frames is mounted. In a screen device for opening and closing a building opening by laterally pulling a vertical frame, one end of the screen device is fixed to an upper end of the first vertical frame, and as the screen expands and contracts, The first flexible member that bends in and out from the upper end of the vertical frame 2 and guides the upper end of the screen when being guided out along the upper end of the screen in the stretched state. The guide body and one end thereof are fixed to the lower end portion of the second vertical frame, and as the screen expands and contracts, bends in and out from the lower end portion of the first vertical frame, The above-mentioned disc in the stretched state When derived along the lower end of the over emissions, screen apparatus characterized by comprising a second guide member having flexibility for guiding the lower end of the screen. 2. The first rail is provided near the upper end of the second vertical rail.
Is provided with a first stopper for preventing the other end of the guide body from being pulled out from the second vertical frame, and the other end of the second guide body is provided near the lower end of the first vertical frame. The screen device according to claim 1, further comprising a second stopper that prevents the end portion from coming out of the first vertical frame. 3. The first and second tension cords, one end of which is connected to the other end of each of the guide bodies, are laid around the screen and the vertical frames, and when the screen is in an expanded state, the screen is extended. The screen device according to claim 1 or 2, wherein a wire tension mechanism that supports the screen by being stretched in the opening and closing directions is attached. 4. An opening and closing assist mechanism for opening and closing the screen in a stable posture is attached to at least one of the rods by restraining the rods with a required number of tension cords. The screen device according to any one of 1 to 3. 5. The opening / closing assist mechanism has one end fixed to one side frame in the building opening, passes through the upper end of the screen, and moves the inside of the vertical frame on the other side frame side from the upper end to the lower end. A third tension string that is inserted and the other end is fixed to the other side frame, and one end is fixed to the other side frame in the building opening, and the inside of the vertical frame located on the other side frame side. The screen device according to claim 4, further comprising: a fourth tension string inserted from the upper end toward the lower end and passing through the lower end of the screen, the other end being fixed to the one side frame.