JP2007063943A - Screen opening/closing device and its method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen opening/closing device capable of completely covering an area outward from the end of a guide rail in the delivering direction of a screen with the screen. <P>SOLUTION: An approximately dog-leg shaped link 41 is turnably provided on a mounting bracket 24 which is moved along the guide rail 21. An engaging member 5 is protruded on the end lower face of the guide rail 21 to abut on the other end of the link 41. The screen 13 is delivered by the rocking of the link 41, as necessary. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a curtain opening / closing device that electrically winds and feeds a sheet curtain and a curtain body opening / closing control method thereof.

  2. Description of the Related Art Conventionally, there is a curtain opening / closing device that electrically winds a sheet-like curtain body or feeds it out, for example, by disposing it in a window or the like to block outside light and block the field of view.

There are various types of curtain opening and closing devices. For example, there are the following types that roll down the roll screen fabric in the vertical direction. That is, the roll screen fabric is wound by a roller, the slider is attached to the leading edge of the roll screen fabric, and the roll screen fabric is evenly drawn out, and the engagement is formed along both sides of the roll screen fabric. A stopper, a pair of parallel guide rails for guiding the roll screen fabric and the slider in the pulling-out direction or the winding-up direction while restricting the locked portion from coming out of the roll screen fabric, and the guide rails A mounting stay that is detachably attached to the outdoor window frame of a building using the existing rails and other edge shapes formed on the window frame without using fasteners such as screws. There is an external roll screen configured with.
According to this external roll screen, this configuration is suitable for retrofitting to a window frame of an existing building from the outside (see, for example, Patent Document 1).

  As another curtain opening / closing device different from the above, for example, there is the following as a type in which a screen is stretched on a skylight. In other words, this is provided such that a winding shaft for winding the screen is rotatably supported on the mounting surface, and a biasing means for applying a rotational force in the screen winding direction to the winding shaft is provided in the winding shaft, A wire is hung on the weight bar attached to the screen, one end of the wire is fixed to the mounting surface, and the other end can be taken up by a wire take-up shaft in the operation box. There is a roll blind that includes a stopper device that prevents rotation of the wire winding shaft due to the urging force of the urging means when the shaft is not operated, and a release means that releases the operation of the stopper device. According to this roll blind, when installed on a skylight or an inclined window, it is excellent in aesthetics, can be driven with a slight operating force, and can be provided at low cost (see, for example, Patent Document 2).

Japanese Patent Laying-Open No. 2005-113577 (first page, FIG. 1) JP-A-10-331557 (first page, FIG. 1)

By the way, for example, the curtain opening / closing device of the type in which the screen (hereinafter referred to as “curtain”) is stretched on the skylight like the latter, uses the dead weight of the curtain like the curtain opening / closing device like the former. It is necessary to feed out the curtain itself by external force.
Therefore, the latter curtain opening / closing device is provided with a pulley for guiding the wire fixed to the curtain body at the end of the window frame on the curtain drawing direction side, and the curtain body is pulled out through the wire. It is common.

  In addition, when the curtain opening / closing device provided with the guide rail as in the former is disposed in the skylight, the curtain body is fixed to the curtain body at the guide rail end portion on the curtain feeding direction side. A pulley that guides the wire is required.

  That is, in any type of curtain opening / closing device, a member for pulling out the curtain is required on the curtain feeding direction side, and therefore the curtain cannot be extended by the space of the member. .

  In the case of a so-called double opening type curtain opening / closing device in which curtains are arranged on the left and right sides (the construction site is not limited to the skylight), it is common to close the curtains by colliding with the left and right curtains. In this case, there is a concern that a gap may be generated at the abutting portion between the curtains.

  Accordingly, the present invention has been made in view of such a situation, and an object thereof is to provide a curtain opening / closing device and a curtain opening / closing method capable of solving the above-described problems.

In order to achieve the above technical problem, the curtain body opening / closing apparatus and curtain body opening / closing method according to the present invention employ the following technical means.
In other words, the curtain body opening / closing device according to claim 1 is a curtain body opening / closing device capable of pulling up and feeding out the curtain body, and a curtain body supporting portion to which one end of the curtain body is fixed is spaced from the curtain body opening / closing device. Guide rails arranged in parallel to each other so that the curtain body support portions are orthogonal to each other, moving means for moving a fixture engaged with the guide rail along the upper surface of the guide rail, and the curtain body A link in which the other end is engaged with one end, the other end protrudes toward the lower surface of the guide rail, and a midway portion is supported by the fixture so as to be swingable in the longitudinal direction of the guide rail, An engaging member is provided on the lower surface of the end portion of the guide rail on the curtain feeding direction side so as to project against the other end of the link.
A curtain opening and closing device according to a second aspect is the first aspect, wherein the curtain body support portions are disposed at both ends of the guide rail, and the moving means is configured to couple the fixtures in a pair. The body is configured to be double-openable, and the link is engaged with the other end of at least one of the curtain bodies.
A curtain opening and closing device according to a third aspect of the present invention is the curtain opening and closing device according to the first or second aspect, wherein the curtain body support portion includes a support roll to which one end of the curtain body is fixed, and an elastic body engaged with the support roll. And the curtain body is urged in the winding-up direction by the restoring force of the elastic body.
According to a fourth aspect of the present invention, there is provided the curtain body opening and closing device according to the first or second aspect, wherein a curtain hook is provided that is slidably engaged with the guide rail and supports the curtain body.
The curtain body opening and closing method according to claim 5 is a curtain body opening and closing method in which the curtain body, which is fixed at one end, is lifted and extended in association with a fixture that moves along guide rails arranged side by side. The guide rail end portion of the curtain body is engaged with one end of a link that supports the fixture so that the middle portion of the guide rail can swing in the longitudinal direction of the guide rail, and the other end of the curtain body. An engaging member projects from the lower surface, and the other end of the link protruding to the lower surface side of the guide rail engages with the engaging member when the curtain body is extended, and the other end of the curtain body is It is characterized by being fed out by swinging the link.
A curtain body opening and closing method according to a sixth aspect of the present invention is the curtain body opening and closing method according to the fifth aspect, wherein the curtain body is disposed on both ends of the guide rail, and the pair of curtain bodies can be opened by interlocking the fixture. The link is engaged with the other end of at least one curtain body, and at least one of the curtain bodies is extended by swinging the link so that the other ends of the pair of curtain bodies overlap each other. It is characterized by.

According to the present invention, the link is rotatably provided on the fixture that moves along the guide rail, and the engaging member protrudes from the lower surface of the end portion of the guide rail so as to abut the other end of the link. Since the curtain body is fed out by swinging the link when it is extended, the outside can be completely covered by the curtain body from the end of the guide rail on the curtain feeding direction side. When arranged, the skylight can be completely covered.
In addition, by applying the present invention to a double opening type curtain opening / closing device, it is possible to prevent the gap between the curtains from being generated and completely close the curtain opening / closing device.

  Next, an embodiment of the curtain opening and closing device according to the present invention will be described. A single-open type curtain body opening / closing apparatus that opens and closes using one curtain body is illustrated in Embodiment 1, and a double-opening curtain body opening / closing apparatus that opens and closes using two curtain bodies is illustrated in Embodiment 2. .

(Embodiment 1)
As shown in FIGS. 1 and 2, the curtain body opening / closing device according to the first embodiment includes a curtain body support portion 1, a guide rail portion 2, a moving means 3, a link portion 4, and an engagement member 5. And a control unit (not shown).

The curtain support unit 1 includes a support roll 12 that is rotatably supported by a substantially U-shaped frame 11 and an elastic body (not shown) engaged with the support roll 12. Then, one end of a curtain body 13 made of a non-combustible or flame-retardant strip cloth member is fixed to the above-described support roll 12, and the curtain body 13 is attached in the winding direction by the restoring force of the elastic body. I'm energizing.
That is, the curtain body 13 is pulled out by applying an external force in the pulling direction to the curtain body 13, and the curtain body 13 is wound up by the restoring force of the elastic body by releasing the external force.

  The guide rail portion 2 is formed of a hollow member having a substantially rectangular shape in cross-sectional view in which a guide groove 21a is provided on one side surface in the longitudinal direction. For example, the guide rail portion 2 is parallel to the skylight portion defined in a concave shape with a predetermined interval. A pair of guide rails 21 provided, and a substantially L-shape in a side view in which the curtain supporter 1 is supported so as to be orthogonal to one end side of the guide rails 21 and to close a part of the guide grooves 21a. -Shaped mounting plate 22, projecting from both ends of the guide rail 21 and on the opposite side of the curtain supporter 1 mounting side, for example, a mounting bracket 23 for mounting to a skylight portion, and a guide groove 21 a in the longitudinal direction A fitting 24 having a substantially L-shaped cross-sectional view engaged so as to be slidable is provided.

  The moving means 3 is spanned in a loop shape in the longitudinal direction of the guide rail 21 via a pair of pulleys (not shown) rotatably supported at both inner ends of the pair of guide rails 21. An endless wire (not shown) fastened to the bottom surface of the fixture 24 and a pulley on the curtain body support portion 1 side are engaged with a surface of the attachment plate 22 opposite to the curtain body support portion 1 attachment side. The fixture 24 fixed to the wire is reciprocated along the guide rail 21 by the rotation of the electric motor 31.

  The link portion 4 is formed in a substantially U-shaped band plate shape with a substantially central portion supported so as to be swingable (rotatable) on each of the fixtures 24 extended on both side surfaces of the guide rail 21. A pair of links 41 and a guide bar 42 installed so as to connect one ends of the links. The other end of the curtain body 13 is engaged with the guide bar 42 and the other end of the link 41 is a guide. It protrudes to the rail 21 lower surface side. The length of the other end of the link 41 projecting to the lower surface side of the guide rail 21 and the rotation center is such that the end of the guide rail 21 on the side of the curtain body 13 in the extending direction is completely covered by the curtain body 13. It consists of the required length.

  The engaging member 5 is attached to a side surface in the vicinity of the end of the guide rail 21 on the extending direction side of the curtain body 13, and extends from the lower surface side of the guide rail 21 to the guide rail 21. 21 has a round shaft portion 52 projecting from the front portion of the plate portion 51 so as to protrude outward, and the round shaft portion 52 and the other end of the moved link 41 come into contact with each other. Is provided.

  The control unit (not shown) is a remote controller (not shown) connected to the electric motor 31, and the curtain body 13 is opened and closed by rotating the electric motor 31 by a user operation. Yes.

  In the curtain opening / closing device according to the first embodiment configured as described above, first, the electric motor 31 is operated by the user's operation on the curtain opening / closing device in the opening state (the state in which the curtain body 13 is not stretched). The curtain 13 is fed out by rotating.

At this time, the fixture 24 that rotatably supports the link 41 moves along the guide rail 21, whereby the curtain body 13 having one end fixed to the guide bar 42 is pulled out from the curtain body support portion 1. To go.
Eventually, the other end of the link 41 comes into contact with the round shaft portion 52 of the engaging member 5, and the link 41 starts swinging (turning) around the fixture 24.

  When the link 41 further moves, the link 41 is further swung, and accordingly, the curtain body 13 is pulled out from the curtain body support portion 1 and outward from the end of the guide rail 21 on the side of the curtain body 13 in the extending direction. Is completely covered with the curtain body 13 to complete the closing operation (see FIGS. 3 and 4).

  In the opening operation, the electric motor 31 is reversely rotated by the user's operation, so that the fixture 24 that rotatably supports the link 41 moves in the direction of the curtain body support portion 1. The curtain body 13 whose one end is fixed to the link 41 is wound up by the restoring force of the elastic body provided in the curtain body support portion 1.

  At this time, the other end of the link 41 that has been in contact with the round shaft portion 52 of the engaging member 5 is rotated (retracted) in the reverse direction by the winding of the curtain body 13, and the round shaft portion of the engaging member 5. At the same time as the contact with 52 is released, the link 41 returns to the initial position. Then, the curtain opening operation is completed when the curtain body 13 returns to the initial position.

  Thus, the curtain opening and closing device according to the first embodiment can completely cover the skylight when the device is disposed on the skylight.

(Embodiment 2)
Next, the curtain opening and closing device according to the second embodiment will be described. The curtain body opening / closing apparatus according to the second embodiment has the same main configuration as that of the first embodiment. Therefore, the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. Different components will be described.

  As shown in FIGS. 5 and 6, the curtain body opening / closing device according to the second embodiment includes a curtain body support portion 1, a guide rail portion 2, a moving means 3, a link portion 4, and an engagement member 5. And a control unit (not shown).

  The curtain support unit 1 has the same configuration as that of the first embodiment, and is disposed at both ends of the guide rail 21.

  The guide rail portion 2 has substantially the same configuration as that of the first embodiment. That is, the fixture 24 is engaged with the guide groove 21a so as to be slidable in the longitudinal direction, and is engaged with the pair of first fixtures 24a having a substantially L shape in cross section to support the link 41, and slidable in the longitudinal direction with respect to the guide groove 21a. A pair of second plate-like second fixtures 24b, which are combined and disposed so as to face the first first fixture 24a, and are constructed to connect the pair of second fixtures 24b to each other. At the same time, it is configured to include a second guide bar 25 to which the other end of the curtain body 13 on the curtain body support section 1 side facing the curtain body support section 1 on the link 41 side is fixed.

The moving means 3 differs only in the fastening relationship between the first fixture 24a and the second fixture 24b and the wire, and the other configuration is the same as that of the first embodiment.
That is, one endless wire (not shown) (one wire stretched in parallel) and the other end of the endless wire (not shown) laid in a loop shape in the longitudinal direction of the guide rail 21 via a pair of pulleys (not shown). The bottom surface of the first fixture 24a is fastened, the other endless wire (not shown) (the other wire stretched in parallel) and the bottom surface of the second fixture 24b are fastened. The first fixture 24 a and the second fixture 24 b are moved toward and away from the guide rail 21 by the rotation of the motor 31.

The link portion 4 has the same configuration as that of the first embodiment, and is supported so as to be swingable (rotatable) only by the first fixture 24a.
The engaging member 5 has the same configuration as that of the first embodiment, and is disposed in the vicinity of the position where the curtains 13 overlap each other. In the second embodiment, the curtains 13 are arranged close to the curtain body support portion 1 on the link 41 side in consideration of the drawing by the link 41 so that the curtain bodies 13 overlap each other at substantially the center of the apparatus.

  The control unit (not shown) is a remote controller (not shown) connected to the electric motor 31, and the curtain body 13 is opened and closed by rotating the electric motor 31 by a user operation. Yes.

  In the curtain opening / closing device according to the second embodiment configured as described above, first, the electric motor 31 is set to the curtain opening / closing device in the opened state (the state where the curtain 13 is not stretched) by the user's operation. Each curtain body 13 that is rotated and opposed is fed out.

At this time, the first fixture 24a that rotatably supports the link 41 moves along the guide rail 21, so that one curtain body 13 having one end fixed to the guide bar 42 is one curtain body. It is pulled out from the support part 1. At the same time, the other curtain body 13 is also pulled out from the other curtain body support portion 1.
Eventually, the other end of the link 41 comes into contact with the round shaft portion 52 of the engaging member 5, and the link 41 starts swinging (turning) around the first attachment 24a.

  When the link 41 further moves, the link 41 is further swung, and the curtain body 13 is pulled out from the curtain body support portion 1 and the curtain is closed with the end portion of the other curtain body 13 completely covered. The operation ends (see FIGS. 7 and 8).

  In the opening operation, the electric motor 31 is reversely rotated by the user's operation, so that the first attachment 24a and the second attachment 24b that rotatably support the link 41 are respectively connected to the respective curtain body support portions 1. Move in the direction. Each curtain body 13 is wound up by the restoring force of an elastic body provided in the curtain body support portion 1.

  At this time, the other end of the link 41 that has been in contact with the round shaft portion 52 of the engaging member 5 is rotated (retracted) in the reverse direction by the winding of the curtain body 13, and the round shaft portion of the engaging member 5. At the same time as the contact with 52 is released, the link 41 returns to the initial position. Then, the curtain opening operation is completed when the curtain body 13 returns to the initial position.

  As described above, the curtain opening / closing device according to the second embodiment is configured such that the end portions of the curtain 13 are overlapped with each other, so that the curtain can be completely closed.

  The curtain opening and closing device according to the present embodiment has been described above. However, the above-described embodiment shows an example of a preferred embodiment of the present invention, and the present invention is not limited thereto. Various modifications can be made without departing from the scope of the invention.

  For example, in the present embodiment, a type in which the curtain body 13 is wound around the support roll 12 is illustrated, but a curtain hook for supporting the curtain body 13 on the guide rail 21 is slidably disposed. A so-called curtain type in which the curtain body 13 is alternately folded is also applicable.

  Further, the other end of the link 41 protruding to the lower surface side of the guide rail 21 and the engaging member 5 are engaged when the curtain body 13 is extended, and the other end of the curtain body 13 is extended by the swing of the link 41. The opening and closing method may be used. Also in this case, as illustrated in the second embodiment, the curtain body 13 may be disposed on both ends of the guide rail 21 so as to be a double-open type.

It is a front view at the time of opening of the curtain body opening / closing apparatus concerning Embodiment 1. FIG. It is a side view at the time of the opening of the curtain body opening / closing apparatus concerning Embodiment 1. FIG. It is a side view at the time of closing of the curtain body opening / closing apparatus concerning Embodiment 1. FIG. It is a rear view at the time of closing of the curtain body opening / closing apparatus concerning Embodiment 1 at the time of opening. It is a front view at the time of the opening of the curtain body opening / closing apparatus concerning Embodiment 2. FIG. It is a side view at the time of opening of the curtain body opening / closing apparatus concerning Embodiment 2. FIG. It is a side view at the time of closing of the curtain body opening / closing apparatus concerning Embodiment 2. FIG. It is a rear view at the time of closing of the curtain body opening / closing apparatus concerning Embodiment 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Curtain body support part 11 Frame 12 Support roll 13 Curtain body 2 Guide rail part 21 Guide rail 21a Guide groove 22 Mounting plate 23 Mounting bracket 24 Mounting tool 24a 1st mounting tool 24b 2nd mounting tool 25 2nd guide bar 3 Moving means 31 electric motor 4 link part 41 link 42 guide bar 5 engaging member 51 plate part 52 round shaft part

Claims (6)

A curtain opening and closing device capable of lifting and feeding the curtain,
Curtain body support part to which one end of the curtain body is fixed,
Guide rails arranged side by side at a required interval, and arranged so that the curtain support portions are orthogonal to each other;
Moving means for moving the fixture engaged with the guide rail along the upper surface of the guide rail;
A link in which the other end of the curtain body is engaged with one end, the other end projects toward the lower surface of the guide rail, and a midway portion is supported by the fixture so as to be swingable in the longitudinal direction of the guide rail. When,
A curtain body opening and closing device comprising: an engaging member projectingly provided on the lower surface of the guide rail end portion on the curtain feed direction side so as to abut against the other end of the link. The curtain support portions are disposed on both ends of the guide rail,
The moving means is configured to be able to double-open the pair of curtains in conjunction with the fixture,
2. The curtain opening / closing device according to claim 1, wherein the link is engaged with the other end of at least one of the curtains.   The curtain support section includes a support roll to which one end of the curtain is fixed, and an elastic body engaged with the support roll. The curtain body is attached in the winding direction by a restoring force of the elastic body. 3. The curtain opening and closing device according to claim 1, wherein the curtain opening and closing device is biased.   3. The curtain opening / closing device according to claim 1, further comprising a curtain hook that is slidably engaged with the guide rail and supports the curtain. A curtain body opening and closing method in which a curtain body, one end of which is fixed, is pulled up and extended in association with a fixture that moves along guide rails arranged side by side.
Engage one end of the link and the other end of the curtain body supporting the fixture to swing the middle part in the guide rail longitudinal direction,
An engaging member projects from the lower surface of the end of the guide rail on the drawing direction side of the curtain,
The other end of the link protruding to the lower surface side of the guide rail engages with the engaging member when the curtain body is extended, and the other end of the curtain body is extended by swinging the link. How to open and close the curtain. The curtain body is disposed on both ends of the guide rail, and the pair of curtain bodies are configured to be double-opened by interlocking the fixture.
The link is engaged with the other end of at least one curtain body, and at least one of the curtain bodies is extended by swinging the link so that the other ends of the pair of curtain bodies overlap each other. 6. The curtain opening and closing method according to claim 5,

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