JP3229596B2 - Net guide in horizontal screen door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a net guide in a horizontal screen door, and more particularly, to a screen door in which a stretchable net alternately folded in the opposite direction can be opened and closed by horizontal pull. Depending on the expansion and contraction of the net, it goes in and out of any of the frame members attached to both ends of the net, and is led out along the upper end or lower end of the stretched net to hold those ends, The present invention relates to a net guide for suppressing the swing of the net.

[0002]

2. Description of the Related Art A screen door in which a stretchable accordion-shaped net alternately folded in the opposite direction can be opened and closed by horizontal pulling is used to prevent the upper and lower ends of the net from bending due to the wind, or In order to prevent insects from entering through the upper and lower ends of the frame, the upper and lower ends of the net are usually fitted into grooves in the frame material. However, the frame material into which the end of the net is fitted is usually fixedly installed in the opening of the building even when the net is folded and stored, and this is the walking of the person who enters and exits through the opening of the building. Therefore, it is desired that it can be eliminated together with the net that opens and closes.

[0003] Some proposals have been already made to address such a demand and to eliminate the frame material for fitting the end of the net together with the net when the net is folded and stored, but it is expensive. Those that are likely to fail due to long-term use, are required to be avoided in the market, have a simple structure, are inexpensive, and have a sufficiently low possibility of failure.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and its technical problem is to provide a net guide for the above-mentioned horizontal screen door which is as inexpensive as possible and easy to manufacture. It is to provide as a thing. Another technical problem of the present invention is that the net guide not only has a function of preventing the net from swinging, but also a sliding guide for opening and closing the net, a function of preventing the net from being pulled out by engagement with the net, and the like. An object of the present invention is to make it possible to provide a multifunctional net guide easily. Another technical problem of the present invention is to provide a horizontal screen door which can be used as a part of a flexible wire constituting a parallel moving mechanism of a movable frame for opening and closing the net in the horizontal screen screen. To provide a net guide. Other technical aspects of the invention
The challenge is to cover the floor of the building opening as needed.
By having a structure that can be locked to the id part,
Horizontal pull net that can open and close the net more stably
To provide a net guide in the door.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a screen door in which a stretchable net which is alternately folded in the opposite direction can be opened and closed by laterally pulling the net. It goes in and out of any of the frame members attached to both ends of the net, is led out along the upper end or lower end of the stretched net, holds the upper end or lower end, and suppresses the swing of the net. A net guide, which includes at least a pair of anti-swing portions and a bottom portion that connects the anti-sway portions with an interval sandwiching the net by a flexible synthetic resin extruded material. It is characterized in that it is constituted as a long material, and that the anti-swing portion is provided with cutouts at regular intervals that allow the bottom to bend.

[0006] The net guide in the horizontal screen door is
The mouth portion of the concave portion provided on the snubber section, Ru suitable der to dispose a cutout to the mouth portion side is expanded. In addition, the net
In the guide, a guide ridge is provided on the back surface of the bottom along a long material having a substantially U-shaped cross section, and a bottom portion is provided at a position corresponding to the concave notch of the anti-swing portion in the guide ridge. either providing a notch to facilitate deflection of, or above
The guide ridges are formed in opposing hooks to open the building
Can be locked in the grooves on both sides of the guide section arranged on the floor of the section
Is appropriate, in which case the guide ridges
At the position corresponding to the concave notch of the swing stopper,
It is effective to provide notches for facilitation. Further, along the long member having a substantially U-shaped cross section, it is possible to provide an engaging concave or convex ridge that engages with the locking portion provided on the net.

The net guide having the above-mentioned structure can enter and exit any one of the frame members attached to both ends of the net in response to expansion and contraction of the net alternately folded in the opposite direction, and the net guide in a stretched state. Is drawn out along the upper end or lower end of the net to hold those ends, and is used to suppress the swaying of the net, but is basically a U-shaped cross section made of a flexible synthetic resin extruded material. It is constructed as a long material with a part, and the recess is only cut out at a constant interval in the anti-swing part, so its structure is simple and easy to manufacture, and as a result it is very inexpensive If the bottom has the necessary strength, the possibility of failure such as breakage can be almost eliminated. And by comprising as mentioned above, it bends easily, makes it go in and out of the frame material attached to the both ends of the net according to expansion and contraction of the net, and along the upper end or lower end of the stretched net. Is easy to derive.

[0008] Further, the width of the recesses at regular intervals, which are cut in the anti-sway portion, is reduced, and only the mouth of the recesses is widened to avoid interference at the time of bending. The holding function is enhanced, so that a part of the net does not protrude from the recessed portion and does not cause a failure. If the engaging portion provided on the net is engaged with the engaging ridge or the ridge of the net guide, the end of the net can be more reliably held. Also, since the above-mentioned net guide is basically formed of an extruded material having a constant cross section, by appropriately forming the cross-sectional shape, not only the function of preventing the net from swinging but also a sliding guide for opening and closing the net. In addition, the engagement portion for preventing the net from being pulled out can be easily formed, and the multifunctionality of the net guide can be achieved. In particular,
With the opposite hooks on the back of the bottom along the long material
Guide part formed in a shape and arranged on the floor of the building opening
Guide ridges that lock into the concave grooves on both sides of the
Opening and closing the net more stably
it can. In this case,
Notch for easy bending of the bottom at the position corresponding to the concave notch
It is effective to provide

[0009]

1 to 3 show a horizontal screen door provided with a net guide according to the present invention. More specifically, a net which expands and contracts in an accordion style is used for the net guide. The state used for the insect screen door which opens and closes by horizontal pulling is shown. As shown in FIG. 1, the insect screen is schematically shown in FIG. 1, a frame 2, an insect net 4 attached to the frame 2 so as to be openable and closable, and attached to one end of the net 4. And a movable frame 5 for opening and closing operations.

The frame 2 has left and right vertical frame members 6, 8 and an upper horizontal frame member 10, and a net guide 12 for suppressing the swing of the net 4 is provided below the frame 2. Movable frame 5
It is provided so that it may appear and disappear with the movement of. One end of the net guide 12 is fixed to the lower end of the movable frame 5, and in accordance with the expansion and contraction of the net 4 accompanying the movement of the movable frame,
In the figure, the lower end of the net 4 is shaken by wind and the like by entering and exiting the inside of the vertical frame member 6 on the left side, being led out along the lower end of the net 4 in a stretched state, and holding those ends. It is a deterrent.

The net guide 12 is formed by partially cutting out a part of an extruded material made of a flexible synthetic resin and having a substantially U-shaped cross section. That is, the extruded material is as shown in FIG. A pair of left and right anti-swing parts 12 as shown
a, 12a, and a bottom portion 12b connecting the pair of anti-swing portions 12a, 12a at an interval required to sandwich the net 4, and configured as a long material having a substantially U-shaped cross section. are doing. As shown in FIG. 1, the anti-swing portion 12 a is provided with notches 12 c at regular intervals to allow the bottom 12 b to be bent, and the notches 12 c are provided at the mouths of the notches 12 c. A substantially triangular cutout 12d whose part side expands
And the lower end of the recess 12c is cut off in a semicircular shape. Further, the net guide 12 has a guide ridge 1 on the back surface of a bottom 12b of a long material having a substantially U-shaped cross section.
2e, 12e, a semicircular notch 1 for facilitating bending of the bottom 12b at a position corresponding to the concave notch 12c of the swing preventing portion 12a in the guide ridge 12e.
2f is provided. As shown in FIG. 3, the guide ridges 12e are provided with guide portions B on the floor of the opening of the building, which are about the height of a sill that does not hinder walking. By fitting the guide portion B between the portions 12e, the sliding of the net guide 12, that is, the proper opening and closing of the net 4 is guided along the guide portion B.

The net 4 is formed by applying a large number of pleats in a zigzag shape to make it expandable and contractible in an accordion style. At both ends thereof, a frame member composed of a vertical frame member 6 and a movable frame 5 is attached. The movable frame 5 for opening / closing operation attached to one side end opens and closes the upper frame member 10 and the lower net guide 12 of the frame 2 as guides. As a parallel moving mechanism for stably moving the movable frame 5 attached to one end of the net 4, three tension cords 14 a, 14 b, 14 c are stretched between the frame 2 and the movable frame 5. Has been established.

The first tension cord 14a has one end attached to the upper part of the movable frame 5, and this tension cord 14a is attached to one of the vertical frame members 8.
Is wound around a deflecting element 16a provided at the upper part of the vertical frame member 6, and after passing through the horizontal frame member 10, is wrapped around a deflecting element 16b provided at the upper part of the other vertical frame member 6 and moves downward in the vertical frame member 6. Then, it is wound around the lower diverter 16c, led out from the vertical frame member 6 to the net 4 side, and penetrated through the net 4 and connected to the lower end of the movable frame 5. In addition, the first
The second tension cord 14 b branched from the tension cord 14 a has its tip connected to the inner end of the net guide 12. Further, one end of the third tension cord 14 c is attached to the lower end of the movable frame 5, and the turning element 16 provided below the vertical frame member 8 is provided.
e, the inside of the vertical frame member 8 is guided to the upper end, and after being wound around the diverter 16a provided at the upper part and passing through the horizontal frame member 10, the turning provided at the upper part of the other vertical frame member 6 is performed. Child 16
b to guide the inside of the vertical frame member 6 downward,
Is wound around the diverter 16d at the upper part of the movable frame 5 and penetrated through the net 4. The second string 14b may be omitted, and the second string 14b may be omitted.
By using b, a portion of the first tension cord 14a that reaches the movable frame 5 from the vertical frame member 6 via the turning element 16c can be omitted. When configured as the latter, the above guide 1
2 can be used as a part of a flexible wire constituting a parallel moving mechanism of a movable frame 5 for opening and closing the net 4.

In the portion where the tension cords 14a and 14c are stretched horizontally in the stretched portion of the net 4,
By inserting the tension cords 14a and 14c into the net 4, the slack of the net 4 can be prevented, and the tension state of the net 4 can be stabilized. In addition, each of the above-mentioned turning elements 1
As 6a to 16e, a sliding member made of a synthetic resin having a small resistance to the tension cords 14a to 14c, a pulley made of an appropriate material, or the like can be used.

The net guide 12 in the horizontal screen door having the above-described structure is adapted to expand and contract the net 4
Of the vertical frame member 6 constituting the frame body 2 attached to one end of the net 4, is led out along the lower end of the net 4 in a stretched state, holds those ends, and shakes the net 4. Can be suppressed. In addition, the above net guide 1
2 is basically formed as a long material having a U-shaped cross section by a flexible synthetic resin extruded material, and is provided with cutouts 12c at regular intervals in its anti-sway portion 12a. The structure is simple and easy to manufacture,
As a result, it can be provided very cheaply,
, The possibility of failure such as breakage can be almost eliminated.

With the above-described configuration, the net guide 12 is easily bent, and the inside of the vertical frame member 6 constituting the frame 2 attached to one end of the net 4 according to the expansion and contraction of the net 4. It is easy to get in and out along the lower end of the net 4 in the stretched state. Further, the concave notches 12 are provided at regular intervals and are provided in the swing stoppers 12a.
The width of c is reduced, and only the mouth of the concave portion 12c is widened to avoid interference at the time of bending, so that the function of holding the end of the net 4 is enhanced. It does not protrude and does not cause a failure.

Here, the net guide 12 can be constructed so as to enter and exit from the lower end of the movable frame 5 instead of the vertical frame member 6, and along the upper horizontal frame member of the frame 2. In the same manner as described above, it can be provided in one of the vertical frame members or the movable frame so as to be able to come and go freely.

The net guide in the horizontal screen door according to the present invention basically has the structure described in the above embodiment. If necessary, as shown in FIGS. It can have a cross-sectional shape. In the following, the configuration other than the configuration related to the net guide is substantially the same as that of the above-described embodiment.

First, the net guide 2 shown in FIG.
2A is the bottom 1 of the net guide 12 of the embodiment.
In this embodiment, the guide projections 12e are not provided on the back surface of the net 2b, and the bottom portion 23A of the net guide 22A is fitted into a guide portion Ba having a depth about the depth of a sill to open and close the net 4. Can guide you.

Next, the net guide 2 shown in FIG.
2B is a bottom portion 2 of the net guide 22A shown in FIG.
The ridges 24B, 24B are formed by extending 3A to the outside, and the ridges 24B, 2B are formed on the floor surface of the building opening.
4B is provided with a guide portion Bb for locking the guide portion Bb.
By locking the ridges 24B, 24B, the movement of the net guide 22B can be performed more stably.

The net guide 22C shown in FIG.
Is a bottom portion 12b of the net guide 12 of the embodiment.
In the center of the back surface of the building, a ridge 25C is provided along the long material, and the ridge 25C is fitted into the groove C provided in the guide portion Bc on the floor surface of the opening of the building. 4 can be more stably opened and closed. In this case, as shown in FIG. 4 (d), it is also possible to adopt a mode in which no guide ridge is provided on both sides of the back surface of the bottom portion 23D of the net guide 22D, and only the central ridge 25D is provided.

The net guide 22E shown in FIG.
Is formed with a hollow engaging ridge 26E along the elongated member at the center of the surface of the bottom portion 23E and a slit 27E along the elongated member at the center of the upper surface of the engaging ridge 26E. By engaging the locking portion 4a provided at the lower end of the net 4 in the slit 27E, the end of the net 4 can be more securely held and the net 4 can be opened and closed more stably. Is made possible.

The net guide 22F shown in FIG.
Is located at the center of the bottom portion 23F along the long material,
F and a slit 27 in the center of the bottom 23F.
F, and a locking portion 4a provided at the lower end of the net 4 in the same manner as the net guide 22E shown in FIG.
Are engaged in the slits 27F to more securely hold the end of the net 4. As described above, a means for separately holding and guiding the end of the net, such as providing an engaging recess or an engaging ridge that engages the locking portion provided on the net along the long material, is provided. By providing such a structure, the end of the net can be more securely held and, at the same time, the opening and closing of the net can be stabilized, as shown in FIG. 4 (g). Part 2
Any one of 8G can be shortened.

The net guide 22H shown in FIG.
In the center of the surface of the bottom portion 23H, the inside can be used as a path for a tension string constituting a parallel movement mechanism along a long material,
Alternatively, a ridge 25H that can be used as a guide for sliding the net guide 22H is formed.

The net guide 22I shown in FIG.
Are formed with substantially hook-shaped projections 29I, 29I along the long material on the inner side surfaces of the tip ends of the pair of swing stoppers 28I, 28I, and these projections 29I, 2
By providing a disk-shaped locking portion 4b or the like that locks to 9I, the end of the net 4 can be more securely held.

The net guide 22J shown in FIG.
Are a pair of guide ridges 30J, 3 on the back surface of the bottom 23J.
0J is formed in a hook shape facing each other, and the guide ridges 30J, 30J are locked in concave grooves D, D formed on both sides of the guide portion Bj on the floor of the building opening. ,
The opening and closing of the net 4 can be performed more stably.

As described above, since the net guide is basically formed by an extruded material having a constant cross section, by appropriately forming the cross section, not only the function of preventing the net from swinging but also the opening and closing of the net can be achieved. Guides for preventing the removal of the sliding guide and the net can be easily formed, and the multifunctionality of the net guide can be achieved. In addition, in the net guide shown above, the one having a structural portion orthogonal to the bottom of the net guide along the long material, in order to facilitate bending of the net guide, the concave notch and the cut-out portion are formed. Suitably, it is provided just before the bottom.

Further, in the net guide in the horizontal screen door of the present invention, the anti-swing portion can be formed in a shape as shown in FIGS. 5 (a) and 5 (b). That is, in the net guide 41A shown in FIG. 5A, the anti-swing portion 42A is formed in a rectangular shape by the concave notch 43A having a substantially constant width cut at a constant interval, and the lower end of the concave notch 43A is formed substantially in half. Cut out in a circular shape.

The net guide 4 shown in FIG.
1B, the anti-sway portions 42B are formed in a substantially semicircular shape to form concave notches 43B therebetween, and the concave notches 43B are formed.
The lower end of B is cut off in a substantially semicircular shape, and the anti-swing portion 42B is formed in a form in which a substantially semicircular shape is continuous. Note that the shape of the anti-swing portion of the net guide in the present invention is not limited to the above-mentioned shape, and any shape can be applied as long as the bottom of the net guide can be bent.

[0030]

The net guide in the horizontal draw screen door of the present invention described in detail above is formed as a long material having a U-shaped cross-section by a flexible synthetic resin extruded material. Since only the concave notch of the interval is cut out, its structure is simple and easy to manufacture, and as a result it can be provided at very low cost, and if the bottom has the necessary strength, The possibility of failure such as breakage can be almost eliminated. Also, since the net guide itself has a structure that bends easily, the net guide can be moved in and out of the frame material attached to both ends of the net in accordance with expansion and contraction of the net, and along the upper end or lower end of the stretched net. Is easy to derive.

Further, by reducing the width of the recesses at regular intervals, which are cut and cut in the anti-sway portion, and expanding only the mouth of the recesses to avoid interference at the time of bending, the end of the net can be prevented. The holding function is enhanced, so that a part of the net does not protrude from the recessed portion and does not cause a failure. If the engaging portion provided on the net is engaged with the engaging ridge or the ridge of the net guide, the end of the net can be more reliably held. Also, since the above-mentioned net guide is basically formed of an extruded material having a constant cross section, by appropriately forming the cross-sectional shape, not only the function of preventing the net from swinging but also a sliding guide for opening and closing the net. In addition, the engagement portion for preventing the net from being pulled out can be easily formed, and the multifunctionality of the net guide can be achieved.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing an embodiment of a horizontal draw screen door provided with a net guide according to the present invention.

FIG. 2 is a plan sectional view of FIG.

FIG. 3 is an end view taken along the line AA.

FIGS. 4A to 4J are cross-sectional views showing other configurations of the net guide.

FIGS. 5A and 5B are side views showing other configurations of the swing stopper in the net guide.

[Explanation of symbols]

 2 Frame 4 Net 4a Locking portion 5 Movable frame 6,8 Vertical frame member 10 Horizontal frame member 12,22A-22J, 41A, 41B Net guide 12a, 28G, 28I, 42A, 42B Anti-sway portion 12b, 23A-23J Bottom portion 12c, 43A, 43B Recessed portion 12d Cutout portion 12e, 30J Guide ridge 12f Notch 26E Engagement ridge 26F Engagement ridge

Claims (6)

(57) [Claims] 1. A screen door in which a stretchable net alternately folded in the opposite direction can be opened and closed by horizontal pulling, and enters or exits one of frame members attached to both ends of the net in accordance with expansion and contraction of the net. A net guide that is led out along the upper end or lower end of the net in a stretched state and holds the upper end or lower end thereof, and suppresses the swing of the net, by a flexible synthetic resin extruded material, At least a pair of anti-swing portions, including a bottom portion that connects both anti-sway portions at an interval sandwiching the net, to configure them as a long material having a substantially U-shaped cross section, the anti-sway portion, A net guide in a horizontal screen door, wherein recesses are provided at regular intervals to allow a bottom portion to bend. 2. The net guide according to claim 1, wherein a cut-out portion is provided at a mouth of the concave notch provided in the swing-preventing portion so as to expand the mouth. 3. A guide ridge is provided on the back surface of the bottom along a long material having a substantially U-shaped cross section, and the guide ridge is provided at a position corresponding to the concave notch of the swing-preventing portion. The notch which provided the notch which facilitates bending of a bottom part, The net guide in the horizontal draw screen door of Claim 1 or Claim 2 characterized by the above-mentioned. 4. Along a long material having a substantially U-shaped cross section.
On the back of the bottom of the building, opposing hooks are formed to open the building
Locks in the grooves on both sides of the guide part arranged on the floor of the part
The horizontal screen door according to claim 1 , wherein a guide ridge is provided.
Net guide in. 5. A concave notch of a swing preventing portion in a guide ridge.
Notches at the positions corresponding to
Digit, A horizontal screen door according to claim 4, characterized in that:
Net guide. 6. Along a long member having a substantially U-shaped cross section,
The net guide according to any one of claims 1 to 3, wherein an engaging concave or convex ridge that engages with the locking portion provided on the net is provided.