JP4440191B2 - Louver system - Google Patents

Description

  The present invention relates to a louver system having a plurality of rotatable louver blades.

  2. Description of the Related Art Conventionally, a louver system having a plurality of louver blades is used to ventilate a room, daylight indoors, and protect privacy. In such a louver system, each louver blade can be opened and closed from a completely closed state (0 °) to a fully opened state (90 °). The angle of the louver blade can be adjusted up to the open state (90 °).

  However, in the conventional louver system, since the louver blade cannot be opened to an angle larger than 90 °, it is not possible to sufficiently illuminate the room indoors from any angle, and it is possible to illuminate while ensuring the privacy of the room. It was not enough.

  The present invention has been made in consideration of such points, and has a louver blade that can be reliably rotated from 0 ° to 180 °, thereby allowing sufficient indoor lighting and privacy. An object of the present invention is to provide a louver system capable of ensuring protection.

  In the louver system, the present invention is provided in a pair of support frames, a plurality of louver blades disposed between the pair of support frames and rotatably supported by the pair of support frames, A bearing for rotatably supporting the louver blades and a drive gear provided in the other support frame for driving each louver blade, and a rotatable drive shaft extending in the longitudinal direction in the other support frame. The louver system is characterized in that a plurality of worms for rotating each drive gear are provided on the drive shaft in correspondence with each drive gear.

  In the present invention, each louver blade has a louver blade body and a pair of mounting shafts, and one mounting shaft engages with a rotating body supported by a bearing provided on one support frame, and the other The attachment shaft is a louver system that is inserted into a drive gear provided on the other support frame.

  The present invention is a louver system in which each louver blade is engaged with an adjacent louver blade when the rotation angle is 0 ° or 180 °.

  The present invention is a louver system in which each louver blade has an engaging protrusion and an engaging recess that engage with an adjacent louver blade at both ends thereof.

  In the present invention, each support frame is separable into a fixed part and a separation part, the bearing is attached to the side of the separation part of one support frame, and the drive gear is attached to the side of the separation part of the other support frame. It is a louver system characterized by that.

  In the louver system, the present invention includes a pair of support frames and a plurality of louver blades disposed between the pair of support frames and rotatably supported by the pair of support frames, and each louver blade is provided at both ends thereof. The louver system includes an engaging protrusion and an engaging recess that engage with adjacent louver blades.

  The present invention is a louver system in which a louver blade has a translucent daylighting unit.

  The present invention is a louver system in which a louver blade has a translucent daylighting portion between an engaging projection and an engaging recess.

  The present invention is the louver system, wherein the daylighting unit is made of ultraviolet cut resin.

  The present invention is a louver system characterized in that a louver blade has a pair of recesses and a projection provided between the engagement protrusions and the engagement recesses.

  The present invention is the louver system, wherein the daylighting unit is provided on the convex portion.

  According to the present invention, each drive gear is rotated by the worm of the drive shaft simply by rotating the drive shaft provided in the other support frame, whereby each louver blade can be easily and reliably rotated from 0 ° to 180 °. Can rotate. Thereby, it can fully illuminate from every angle through louver blades from every angle, and indoor privacy can be reliably protected.

  Embodiments of the present invention will be described below with reference to the drawings.

First Embodiment FIGS. 1 to 7 are views showing a first embodiment of a louver system 100 according to the present invention.

  As shown in FIGS. 1 to 3, the louver system 100 according to the present embodiment is disposed between a pair of support frames 10a and 10b and a pair of support frames 10a and 10b, and is rotated by the pair of support frames 10a and 10b. A plurality of louver blades 20 that are freely held, a bearing 11 that is provided in one support frame 10a and rotatably supports each louver blade 20 and a support frame 10b that is provided in the other support frame 10b. And a drive gear 12 for driving the motor.

  As shown in FIG. 3, each louver blade 20 has a louver blade body 21 and a pair of attachment shafts 22 a and 22 b. Among these, one attachment shaft 22a engages with a rotating body 23 rotatably supported by a bearing 11 provided on one support frame 10a, and the other attachment shaft 22b is provided on the other support frame 10b. The drive gear 12 is inserted.

  Further, as shown in FIGS. 2 and 3, one support frame 10a is separable into a fixing part 32a and a separation part 31a, and the other support frame 10b is separated into a fixing part 32b and a separation part 31b. It is free. Among these, each separation part 31a, 31b is fixed to the corresponding fixing part 32a, 32b with screws 33a, 33b, and each fixing part 32a, 32b is a ceiling frame or window frame in which the louver system 100 is installed. It is fixed to. A bearing 11 that supports the rotating body 23 is attached to the inner side surface of the separating portion 31a of the one supporting frame 10a on the louver blade 20 side, and the inner side surface of the separating portion 31b of the other supporting frame 10b on the louver blade 20 side. A drive gear 12 is attached to the.

  As shown in FIGS. 2 to 4, a rotatable drive shaft 13 extends in the longitudinal direction in the other support frame 10 b, and each drive gear (worm wheel) 12 is attached to the drive shaft 13. A plurality of worms 42 are provided which are arranged correspondingly and engage with each drive gear 12.

  As shown in FIGS. 4 and 5A and 5B, the drive shaft 13 is coupled to a motor (drive unit) 51 that rotates the drive shaft 13. The motor 51 is connected to the control unit 50 and its drive is controlled by the control unit 50.

  Next, the operation of the present embodiment having such a configuration will be described.

  First, a method for driving the louver blade 20 will be described.

  The drive shaft 13 connected to the motor 51 is rotated by driving the motor 51 by the control unit 50. As a result, the worm 42 provided on the drive shaft 13 is rotated, and the drive gear 12 engaged with the worm 42 is rotated (see FIG. 4). As a result, the attachment shaft 22b of the louver blade 20 attached to the drive gear 12 is rotated, and the louver blade body 21 fixed to the attachment shaft 22b is rotated. At this time, the mounting shaft 22a provided on the opposite side of the louver blade body 21 is rotatably held by the rotating body 23 (see FIG. 3).

  Here, since the drive gear 12 is rotatably attached to the support frame 10b, the drive gear 12 to which the louver blade 20 is attached can be freely rotated by rotating the worm 42 by the drive motor 51. . For this reason, as shown in FIG. 6, the louver blade 20 can be freely rotated from 0 ° to 180 °.

  Since the louver blade 20 can be freely rotated from 0 ° to 180 ° in this way, when the louver blade 20 is provided on the ceiling frame of the building, the amount of lighting taken into the room can be freely adjusted. Can do.

  In addition, when the louver blade 20 is provided on a window frame of a building, the amount of air entering the room and the amount of lighting taken into the room can be freely adjusted, and privacy is ensured so that the room cannot be seen from the outside. Can also be protected.

  That is, for example, when the louver blade 20 is disposed as shown in FIG. 7A, privacy can be protected because the room cannot be seen from the outside, and sunlight can be taken into the room. In addition, when the louver blade 20 is disposed as shown in FIG. 7B, a large amount of wind can be taken from the outside into the room.

  Since the louver blades 20 are rotated by rotating the drive shaft 13, as shown in FIGS. 5A and 5B, a plurality of louver blades 20 arranged between the support frames 10 can be opened simultaneously ( They can be closed simultaneously (see FIG. 5 (b)).

  Next, the relationship between the louver blade 20 and the support frame 10 will be described.

  As shown in FIG. 3, the louver blade 20 has one mounting shaft 22 a of the louver blade 20 inserted into a rotating body 23 provided on one support frame 10 a and the other mounting shaft 22 b of the louver blade 20. It is attached to the support frame 10 by being inserted into a drive gear 12 provided on the other support frame 10b.

  For this reason, since the louver blade 20 can be easily attached to and detached from the rotating body 23 and the drive gear 12, if the shape of the mounting shaft 22 is made common, the louver blade main body 21 can be made various by the method described later. It can be replaced with a shape.

  Here, a method for replacing the louver blade 20 with another louver blade will be described below with reference to FIG.

  First, the screw 33a that fixes the separation part 31a to the fixing part 32a of the support frame 10a is removed. Similarly, the screw 33b that fixes the separation part 31b to the fixing part 32b of the support frame 10b is removed.

  Next, the separation portions 31a and 31b to which the plurality of louver blades 20 are attached are separated from the corresponding fixing portions 32a and 32b.

  Next, the attachment shaft 22a of the louver blade 20 is removed from the rotating body 23 attached to one side of the separation part 31a. Similarly, the attachment shaft 22b of the louver blade 20 is removed from the drive gear 12 attached to the side surface of the other separation portion 31b.

  Next, one attachment shaft of another louver blade having a pair of attachment shafts prepared in advance is inserted and fixed to the rotating body 23 attached to the side surface of the separation portion 31a. Similarly, the other attachment shaft of a plurality of other louver blades having a pair of attachment shafts is inserted and fixed to the drive gear 12 attached to the side surface of the separation portion 31b.

  Next, the separation part 31a to which the new louver blade is attached is fixed to the fixing part 32a of the support frame 10a using screws 33a. Similarly, the separation part 31b to which the new louver blade is attached is fixed to the fixing part 32b of the support frame 10b using screws 33b.

  As described above, after the support frames 10a and 10b are separated into the fixing portions 32a and 32b and the separation portions 31a and 31b, the plurality of louver blades 20 attached to the separation portions 31a and 31b can be replaced at once. . For this reason, the louver blade 20 can be easily replaced.

Second Embodiment Next, a second embodiment of the present invention will be described with reference to FIGS. The second embodiment shown in FIGS. 8 to 11 has an engaging protrusion 28a and an engaging recess 27a at both ends, and when the rotation angle is 0 ° or 180 °, the engaging protrusion 28a. The engaging recess 27a uses the louver blade 20a that engages with the engaging recess 27a and the engaging protrusion 28a of the adjacent louver blade 20a, and the other is the first shown in FIGS. This is substantially the same as the embodiment.

  In the second embodiment shown in FIG. 8 to FIG. 11, the same parts as those in the first embodiment shown in FIG. 1 to FIG.

  The louver blade 20a of the present embodiment can freely rotate from 0 ° to 180 °, as in the first embodiment (see FIG. 10). For this reason, the louver blade 20a can freely take a closed state as shown in FIG. 9A or an open state as shown in FIG. 9B.

  In addition, the louver blade 20a has an engagement protrusion 28a and an engagement recess 27a that engage with the adjacent louver blade 20a at both ends. That is, when the rotation angle is 0 ° or 180 °, the engagement protrusion 28a of the louver blade 20a engages with the engagement recess 27a of the adjacent louver blade 20a, and the engagement recess 27a of the louver blade 20a Engage with the engaging protrusion 28a of the adjacent louver blade 20a. For this reason, in the closed state as shown in FIG. 9A, each louver blade 20 is arranged without a gap from the adjacent louver blade 20 and can completely shut off the room and the outside. Can be prevented from entering the room. For this reason, it is preferable to use the louver blade | wing 20a concerning this Embodiment for the ceiling frame of a building.

  Further, as shown in FIGS. 8 to 10, the louver blade 20 a has a convex portion 25 formed along the attachment shafts 22 a and 22 b at the center portion and concave portions 26 formed on both sides of the convex portion 25. ing. For this reason, when the louver blade 20a is used in a ceiling frame of a building, the engagement protrusion 28a of the louver blade 20a engages with the engagement recess 27a of the adjacent louver blade 20a, and the engagement of the louver blade 20a. When the joint recess 27a engages with the engaging projection 28a of the adjacent louver blade 20a, rainwater flows through the recess 26 of the louver blade 20a and is drained. For this reason, it is possible to prevent rainwater from leaking into the room from between adjacent louver blades 20a.

  FIG. 11 shows a modification of the louver blade 20a of the second embodiment.

  As shown in FIG. 11, a flat louver blade 20b may be used. Thus, by using the flat louver blade 20b, the surface 29 of the louver blade 20b can be arranged in a flat plane in the closed state. For this reason, a pattern, an advertisement, etc. can be easily provided on the surface 29 of the louver blade 20b.

  In addition, when the louver blade 20b is used for a ceiling frame of a building part, it is preferable to provide rubber packing or the like (not shown) on the surface of the engaging projection 28b so that rainwater does not leak into the room.

  In the present embodiment, the engagement protrusions 28a, 28b and the engagement recesses 27a, 27b are provided at both ends, and when the rotation angle is 0 ° or 180 °, the engagement protrusions 28a, 28b, The engaging recesses 27a and 27b have a configuration using the louver blades 20a and 20b that respectively engage with the engaging recesses 27a and 27b and the engaging projections 28a and 28b of the adjacent louver blades 20a. The configuration is the same as that of the embodiment. For this reason, the effect similar to 1st Embodiment mentioned above can be acquired.

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIGS. In the third embodiment shown in FIGS. 12 (a) and 12 (b), a daylighting part 61 made of an ultraviolet-cut resin is translucent between the engaging protrusions 28a and 28b and the engaging recesses 27a and 27b. Are used, and the others are substantially the same as those of the second embodiment shown in FIGS. 8 to 11.

  In the third embodiment shown in FIGS. 12 (a) and 12 (b), the same parts as those in the second embodiment shown in FIGS.

  As shown in FIGS. 12 (a) and 12 (b), the louver blades 20a ′ and 20b ′ have a semi-transparent daylighting portion 61 between the engaging protrusions 28a and 28b and the engaging recesses 27a and 27b. The daylighting unit 61 is made of an ultraviolet cut resin. For this reason, even in the closed state as shown in FIG. 9A, natural light from the outside can be taken into the room while ultraviolet rays are cut.

  In the present embodiment, louver blades 20a ′ and 20b ′ having a daylighting portion 61 made of ultraviolet cut resin are provided between the engaging protrusions 28a and 28b and the engaging recesses 27a and 27b. The other configuration is the same as that of the second embodiment. For this reason, the same effect as the second embodiment described above can be obtained.

  Also, in the above, of the louver blades 20a and 20b shown in the second embodiment, between the engaging projections 28a and 28b and the engaging recesses 27a and 27b, it is translucent and is made of an ultraviolet cut resin. Although the thing provided with the daylighting part 61 was shown, what has the daylighting part 61 which is translucent and consists of ultraviolet-ray cut resin similarly can be used for the louver blade 20 shown in 1st Embodiment.

Fourth Embodiment Next, a fourth embodiment will be described with reference to FIG. In the fourth embodiment shown in FIG. 13, a pair of concave portions 26 and a convex portion 25 provided between the concave portions 26 are formed between the engaging protrusion portion 28a and the engaging concave portion 27a. 25 uses a louver blade 20c provided with a daylighting portion 61 made of an ultraviolet cut resin, and the others are substantially the same as those of the second embodiment shown in FIGS.

  In the fourth embodiment shown in FIG. 13, the same parts as those of the second embodiment shown in FIGS. 8 to 11 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 13, in the louver blade 20c, a pair of concave portions 26 and a convex portion 25 provided between the concave portions 26 are formed between the engaging projection portion 28a and the engaging concave portion 27a. The convex portion 25 is provided with a daylighting portion 61 made of an ultraviolet cut resin. For this reason, even in the closed state as shown in FIG. 9A, natural light from the outside can be taken into the room while ultraviolet rays are cut.

  Further, when rain or the like falls, rainwater or the like accumulates in the recess 26 and is drained, so that it does not accumulate on the daylighting portion 61 provided on the projection 25. For this reason, since the excessive load is not applied to the lighting part 61 by rain etc., it can prevent that the lighting part 61 is damaged.

  In the present embodiment, a pair of concave portions 26 and a convex portion 25 provided between the concave portions 26 are provided between the engaging projection portion 28a and the engaging concave portion 27a. It has a configuration using a louver blade 20c provided with a daylighting portion 61 made of cut resin, and the other configuration is the same as that of the second embodiment. For this reason, the same effect as the second embodiment described above can be obtained.

The perspective view which shows the whole louver system in the 1st Embodiment of this invention. The perspective view which shows a part of louver system in the 1st Embodiment of this invention. Sectional drawing of the louver system in the 1st Embodiment of this invention cut | disconnected along 3-3 of FIG. The schematic side view which shows the drive mechanism in the louver system of this invention. The schematic side view which shows the control mechanism in the louver system of this invention. The schematic side view which shows the open / close state of the louver blade | wing in the 1st Embodiment of this invention. The schematic side view which shows the inclination of the louver blade | wing for every use in the 1st Embodiment of this invention. The perspective view which shows the louver blade | wing in the 2nd Embodiment of this invention. The perspective view which shows the open / close state of the louver system in the 2nd Embodiment of this invention. FIG. 10 is a cross-sectional view of the louver system according to the second embodiment of the present invention cut along 10'-10 'in FIG. 9; The perspective view which shows the modification of the louver blade | wing in the 2nd Embodiment of this invention. The perspective view which shows the louver blade | wing in the 3rd Embodiment of this invention. The perspective view which shows the louver blade | wing in the 4th Embodiment of this invention.

Explanation of symbols

10a, 10b Support frame 11 Bearing 12 Drive gear 13 Drive shaft 20, 20a, 20b, 20a ′, 20b ′ Louver blades 21, 21a, 21b Louver blade main bodies 22a, 22b Mounting shaft 23 Rotating body 25 Protruding part 26 Concavities 27a, 27b Engaging recesses 28a, 28b Engaging projection 29 Surface 31 Separating part 32 Fixing part 33a, 33b Screw 42 Worm 50 Control part 51 Motor 61 Daylighting part 100 Louver system

Claims (6)

In the louver system,
A pair of support frames;
A plurality of louver blades disposed between a pair of support frames and rotatably held by the pair of support frames;
A bearing provided in one support frame and rotatably supporting each louver blade;
A drive gear provided in the other support frame and driving each louver blade;
In the longitudinal direction in the other support frame, a rotatable drive shaft is provided extending,
The drive shaft is arranged corresponding to each drive gear and provided with a plurality of worms for rotating each drive gear,
Each louver blade has an engagement protrusion and an engagement recess that engage with an adjacent louver blade at both ends thereof,
Each louver blade is rotated to have a rotation angle of 0 ° , so that the engaging protrusion is fitted into the engaging recess of the adjacent louver blade , and is engaged .
The louver blade has a pair of concave portions and a convex portion provided between the concave portions between the engaging protrusion and the engaging concave portion,
A louver system , wherein the daylighting portion is provided on the convex portion . Each louver blade has a louver blade body and a pair of mounting shafts,
One mounting shaft engages with a rotating body supported by a bearing provided on one support frame,
The louver system according to claim 1, wherein the other mounting shaft is inserted into a drive gear provided on the other support frame. Each support frame is separable into a fixed part and a separating part,
The bearing is attached to the side of the separation part of one support frame,
The louver system according to claim 1, wherein the drive gear is attached to a side surface of the separation portion of the other support frame.   The louver system according to any one of claims 1 to 3, wherein the daylighting unit is translucent.   The louver system according to any one of claims 1 to 4, wherein the daylighting unit is made of an ultraviolet cut resin.   The louver system according to any one of claims 1 to 5, wherein the support frame is a ceiling frame.

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