JPH07971B2 - Louver device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a movable louver device in which a louver blade portion is rotated to open and close, and more specifically, the present invention includes a sheet-shaped louver body. Thin louver device.

[Prior Art] Generally, a movable louver device in which a plurality of louver blades rotates to open and close is used for adjusting the amount of daylight, adjusting ventilation, and the like. By the way, these conventional movable louver devices are provided with a bearing mechanism for rotatably supporting both ends of a plurality of louver blades and a mechanism for rotating these louver blades. Therefore, there are problems that the structure is complicated and the entire device is large.

[Problems to be Solved by the Invention] The present invention has been made based on the above circumstances, and an object thereof is to provide a movable louver device having a simple structure and being small and thin.

[Means for Solving Problems and Actions Thereof] According to the present invention, a plurality of cutting lines are formed on a sheet-like material, and portions between these cutting lines are formed on the louver blades, respectively.
A pair of first louvers are provided at both ends of the louver blades.
A leg portion and a second leg portion are formed, the first leg portion is connected to the first frame member, and the second leg portion is connected to the second frame member. The first and second frame members are moved in directions opposite to each other in a direction perpendicular to the longitudinal direction of the louver blade portion.

Therefore, when the first and second frame members are not moved, the louver blades are aligned and closed on the same plane, and the first and second frame members are moved in opposite directions. Then, the first and second leg portions are pulled in mutually opposite directions, and the leg portions are twisted and deformed, so that the louver blade portion is rotated to be in an open state. The present invention has a simple structure and low cost, and can be made small, thin, and lightweight.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. 1 to 11 show a first embodiment of the present invention. In this embodiment, the louver device of the present invention is incorporated in a double window. Reference numeral 10 in the drawing denotes the window, which has a double structure in which two glass plates 12 are attached to the window frame member 11 so as to be separated from each other. The louver device 13 of the present invention as shown in FIG. 2 is incorporated in the window 10. This louver device 13
Includes a sheet-shaped louver body 14. The louver body 14 is made of a sheet material such as a synthetic resin film or a thin plate, and a plurality of cutting lines, that is, the cutting lines 15 are formed in parallel with each other at regular intervals in the sheet material, and the cutting lines 15 The intervening part is formed as a strip-shaped louver blade portion 16. Further, in this embodiment, as the sheet-shaped material, a sheet-shaped material of a synthetic resin on which a reflective film such as a vapor deposition film of aluminum is formed is used to enhance the reflection efficiency of heat rays when the louver blade portion is closed. , And is configured to enhance the light transmission efficiency when opened.

As shown in FIG. 5 and FIG. 6, separating louvers 17 parallel to the cutting line 15 are formed at both ends of these louver blades 16, respectively. A pair of first leg portions 18a and second leg portions 18b are formed at both ends of the portion 16, respectively. Further, elongated first frame members 19a and second frame members 19b are provided on the front and back sides of both edge portions of the louver body 14, respectively.
Are arranged, the tip of the first leg 18a is the first frame member 19a, and the tip of the second leg 18b is the second frame member.
They are connected to 19b by adhesion, welding or the like.

Further, strip-shaped sliding members 20a and 20b are adhered on the tip ends of the first and second leg portions 18a, 18b adhered to the first and second frame members 19a, 19b, First above
And, when the second frame members 19a, 19b move in opposite directions, the tips of the first and second leg portions 18a, 18b are prevented from being caught.

Then, the first and second frame members are moved in a direction orthogonal to the longitudinal direction of the louver blade portion 16 by the opening / closing mechanism,
That is, the louver body 16 is configured to be moved in directions opposite to each other along the edge of the louver body 14, and the louver blade portions 16 are opened and closed by moving the frame members in directions opposite to each other. The opening / closing mechanism will be described below. A guide member 21 is shown in FIGS. 2 and 4, and the guide member 21 is arranged along both edges of the louver body 14. The guide member 21 has a C-shaped cross section, and the first and second frame members 19a and 19b are slidably guided in the longitudinal direction inside the guide member 21. A torsion coil spring 22, for example, is interposed between the guide member 21 and the window frame member 11, and the guide members 21 are urged by the urging force of these springs in a direction in which they are separated from each other. The louver body 14 in the shape of a ring is given tension to prevent it from sagging.

Also, along the upper and lower edges of this louver body,
25 and 26 are arranged, and these shafts 25 and 26 are rotatably supported by bearings 27. Then, a rope, for example, a wire rope 24 is wound around and fixed to the shafts 25 and 26 at positions corresponding to the frame members 19a and 19b, and both ends of the wire ropes 24 have first and second frame members 19a. , 19b is connected to the end. The end of one shaft 25 extends to the outside of the window 10 and an arm 28 is attached to the tip thereof. The arm 28 is connected to an operating mechanism (not shown) for opening and closing the louver device.

In the above embodiment, when the first and second frame members 19a and 19b are not moved in the opposite directions, the louver blade portions 16 are aligned on the same plane, and the louver body 14 is flat. This louver device is in a closed state. When the shaft 25 is rotated via the arm 28 as shown in FIG. 2, one end of the wire rope 24 is wound and the other end is paid out. Therefore, the first and second frame members 19a, 19b connected to these wire ropes 24
Slide in opposite directions. These sliding directions are such that the first frame member 19a to which the first leg portion 18a is connected is on the side of the second leg portion 18b, and the second frame portion 18b is connected to the second leg portion 18b.
The frame member 19b moves to the first leg 18a side. Therefore, as shown in FIG. 7, these first and second legs 18
The tips of the a and 18b are pulled in opposite directions, and the legs 18a and 18b themselves are also twisted and deformed, and as a result, the louver blades 16 are rotated so that they are opened.

The opening angle of these louver blades 16 corresponds to the relative movement amount of the first and second frame members 19a and 19b. Further, in this embodiment, the louver blade portion 16 can be opened up to about 90 °.

Since the window 10 of this embodiment incorporates the above-mentioned louver device, it can be used as a skylight, a roof of a solarium, other windows, the amount of light can be adjusted arbitrarily, and curtains, blinds, etc. can also be used. It becomes unnecessary. In addition, this embodiment is
Since the louver body 14 uses a sheet material provided with a reflective film such as an aluminum vapor deposition film, when this louver device is closed, it is possible to effectively block the incidence of heat rays from the outside and the heat radiation from the inside. You can

Further, such a louver device is manufactured by the method shown in FIGS. 9 and 10. That is, this louver body
When the sheet 14 is manufactured, if the cutting line 15 is formed from one side edge to the other side edge of the sheet-shaped material, the louver blade portions 16 are separated and the manufacturing becomes extremely difficult. Therefore, first, as shown in FIG. 9, only the separation cut line 17 and the end portion 15a of the cut line 15 are formed on the sheet-shaped material, and only the first and second leg portions 18a and 18b are formed. . Next, as shown in FIG. 10, the strip-shaped sliding member 20a is alternately passed through the end portions of the first and second leg portions 18a, 18b, and the first and second leg portions 18a, 18b are passed through the first and second leg portions 18a, 18b.
It is adhered to the leg portion 18a of. Then, after this, the central portion of the cutting line 15 is formed. In this way, the louver body can always be handled as a single sheet during manufacturing.
Manufacturing is easy.

Further, it may be manufactured by a method as shown in FIG. In this case, the cutting line 15 and the separation cutting line 17 are not formed up to the edge of the sheet-shaped material, and the connecting portion 30 is formed with a little left edge. Then, after the sliding members 20a and 20b are adhered to the first and second leg portions 18a and 18b, the connecting portion 30 is cut off.

Also, FIGS. 12 to 14 show a second embodiment of the present invention. As shown in FIG. 12, this is a louver blade 16
The inner edge of another sheet-like member 35 is adhered to the end of the sheet-like member 35, a first leg 38a is formed on the other sheet-like member 35, and a second leg 38b is formed on the original sheet-like member. Is formed. In this case, the tip portions of the first and second leg portions 38a, 38b can be integrated by the connecting portions 39a, 39b, and the connecting portions 39a, 39b can be directly bonded to the frame member. It is possible and easy to manufacture. In the case of this embodiment, when the frame members are moved in the opposite directions, these leg portions 38a, 38
Since b interferes with the adjacent legs, these leg members 38a, 38b
It is necessary to make the width of the blade narrower than that of the louver blade.

Further, this embodiment is manufactured by the method as shown in FIGS. 13 and 14. That is, first, as shown in FIG. 13, the second sheet material 35 is overlapped with the edge portions on both sides of the first sheet material 43, and the inner edge portions 41 of these second sheet material 35 are overlapped. It is adhered to the first sheet material 43.
Next, as shown in FIG.
Forming a first leg portion 38a and a second leg portion 38b, a connecting portion
39a and 39b are formed, and at the same time, the cutting line 15 is formed to form each louver blade portion 16. In the second embodiment, like the first embodiment, when the frame members to which the connecting portions 39a and 39b are connected are moved in opposite directions, the first and second leg portions 38a are formed. , 38b are pulled in directions opposite to each other, and they are also twisted and deformed, so that the louver blade portion 16 is rotated to be in an open state. Also, the manufacturing of the second embodiment is simple.

The present invention is not limited to the above embodiment. For example, the sheet material used for the louver body is not limited to the synthetic resin sheet, but other thin metal plates, other laminating materials, and the like can be used. Further, it is not always necessary to form a reflective film on this sheet material.

Further, the opening / closing mechanism for moving the frame members in the opposite directions is not necessarily limited to the above mechanism. For example, one frame member may be fixed to a window frame or the like, and only the other frame member may be moved so that they move relatively in opposite directions.

Further, this louver device does not necessarily have to be incorporated in the double window. Further, this louver device can be used not only for adjusting the daylighting of windows and the like, but also for adjusting the amount of daylighting of a greenhouse and adjusting ventilation.

[Advantages of the Invention] As described above, the present invention provides a movable louver only by providing a louver body in which a cut line is formed in a sheet-like material, a frame member and an opening / closing mechanism for moving these frame members in relatively opposite directions. The device can be configured. Therefore, it has a simple structure and is lightweight and small. Moreover, the number of parts does not increase even if the number of louver blades is increased, and even a large area louver device can be manufactured at an extremely low cost.

[Brief description of drawings]

1 to 11 show a first embodiment of the present invention, FIG. 1 is a perspective view of the whole, FIG. 2 is a perspective view of a louver device, and FIG. 3 is a III-III line of FIG. Fig. 4 is a cross-sectional view taken along the line
FIG. 4 is an enlarged sectional view showing a part of the drawing, FIG. 4 is an enlarged sectional view showing a part of FIG. 3, FIG. 5 is a perspective view showing an edge portion of the louver body, and FIG. 6 is closed. FIG. 7 is a plan view showing the louver body in a state, FIG. 7 is a plan view showing the louver body in an open state, FIG. 8 is a cross-sectional view taken along the line VIII-VIII in FIG. 7, and FIGS. Plan view of the louver body explaining the method,
FIG. 11 is a plan view of the louver body for explaining another manufacturing method. Also, FIGS. 12 to 14 show a second embodiment of the present invention, FIG. 12 is a perspective view of an edge portion of a louver body, and FIGS. 13 and 14 are louver body for explaining a manufacturing method thereof. FIG. 13 ... Louver device, 14 ... Louver body, 15 ... Cutting line, 16 ... Louver blade part, 18a ... 1st leg part, 18b ... 2nd leg part, 19a
... first frame member, 19b ... second frame member, 21 ... guide member, 2
5, 26 ... axis

Claims (1)

[Claims] 1. A louver body in which a plurality of cutting lines are formed on a sheet-like material, and a portion between these cutting lines is formed in a louver blade portion, and first legs formed respectively at both ends of the louver blade portion. And a second leg, a first frame member to which the tip of the first leg is connected, a second frame member to which the tip of the second leg is connected, and First frame member and second
And a frame member for moving the louver blades in directions opposite to each other in a direction perpendicular to the longitudinal direction of the louver blade portion.