JP3200019B2 - Louver device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a window gull
Alternatively, the present invention relates to a louver device used as an entrance gallery of an air conditioning duct.

[0002]

2. Description of the Related Art A louver device is constructed by incorporating a plurality of blades in a frame and arranging the blades in parallel on a virtual plane. If the blades are long, inconveniences such as vibration and noise are generated by the wind. Therefore, in the related art, an elongated connecting member made of a flat plate is bridged in a direction intersecting with the blade, and the intermediate portions of the blade are mutually connected using screws, rivets, or the like.

[0003]

However, at the time of the above connection, it is necessary not only to form holes in the connecting material but also to previously form screw holes and holes for rivet penetration in the blades. This was a factor that increased costs.

[0004]

According to a first aspect of the present invention, a plurality of blades made of an extrusion die are arranged in parallel on an imaginary plane, and a connecting member extending in a direction intersecting with the plurality of blades serves as an intermediate portion between the plurality of blades. In the waterproof louver device that interconnects the wings, a longitudinal groove extending in the longitudinal direction of the wing and facing the connecting member is formed on the blade, and a screw passing through the connecting member is screwed into the vertical groove, The blade and the connecting member are connected. According to a second aspect of the present invention, in the louver device according to the first aspect, a tapping hole is formed in a deep portion of the vertical groove of the blade, and a screw that penetrates frame members located at both ends in the longitudinal direction of the blade. The blade and the frame member are connected by screwing into the tapping hole. According to a third aspect of the present invention, in the louver device according to the first or second aspect, the imaginary plane is vertical, and the wing extends in a vertical direction and is inclined with respect to the imaginary plane. The two pieces are connected to form a substantially rectangular cross section, and the first piece is formed with a main folded portion facing the second piece at the edge of the first piece. A folded portion is formed, and the vertical groove is formed between the main folded portion and the auxiliary folded portion.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A louver device according to an embodiment of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, the louver device is roughly provided with a rectangular frame 10 and a louver assembly 20 fitted into the frame 10.

The frame 10 is installed in a hole in a house or building. The frame 10 is configured by connecting left and right vertical frames 11 and 12 shown in FIG. 1 to an upper frame 13 and a lower frame 14 shown in FIG.

The louver assembly 20 has a large number (plural) of blades 21. These blades 21 are arranged vertically on a vertical virtual plane parallel to the wall surface (a plane orthogonal to the paper surface in FIGS. 1 and 2), and are arranged side by side in parallel with each other (left and right in FIG. 1). I have. The louver assembly 20 further connects the horizontally extending auxiliary frames 22 and 23 (frame members) for connecting the upper and lower ends (longitudinal ends) of the plurality of blades 21 to each other, and also connects the intermediate portion of the blades 21 to each other. And a connecting member 25 extending horizontally. The frames 11 to 14 of the frame 10 and
Blade 21 of louver assembly 20, auxiliary frames 22, 2
3. The connecting members 25 are all made of an extruded aluminum member.

As best shown in FIG. 3, the cross section of each blade 21 has a substantially rectangular shape, and a flat first piece 21a located on the indoor side and a flat first piece 21a located on the outdoor side. It is configured so as to be connected to the second piece 21b. First
The piece 21a and the second piece 21b intersect at an angle of, for example, 90 ° to 150 °, extend rightward from the intersection, and are inclined with respect to the virtual plane. At this intersection,
The central projection 21c extends in a direction opposite to the direction in which the pieces 21a and the second piece 21b extend, that is, in the left direction in parallel with the virtual plane.
Are formed. A folded portion 21d that is folded toward the outdoor side is formed at the tip of the central protruding piece 21c. The folded portion 21d has an arc-shaped cross section.

At the edge of the first piece 21a of the blade 21 (the edge on the indoor side), a narrow protruding piece 21e extending in the right direction in parallel with the virtual plane is formed, and further on the right edge of the protruding piece 21e. A folded portion 21f (main folded portion) which is folded at a right angle to the projecting piece 21e toward the outdoor side is formed. Further, a folded portion 21g (auxiliary folded portion) that is folded in the opposite direction, that is, toward the indoor side, is formed at an edge (outside edge) of the folded portion 21f.
The folded portions 21f and 21g face each other in parallel, and a vertical groove 21h extending along the longitudinal direction of the blade 21 and opening toward the interior is formed between the folded portions 21f and 21g. The inner part of the vertical groove 21h (return parts 21f, 21g)
Is located at the connecting part of the tapping hole 21i.
It has become.

[0010] As best shown in FIG. 4, the opposing surfaces of the vertical grooves 21h (the folded portions 21f and 21g).
On the inner surface of the blade 21)
h _1, 21h ₂ are formed at a predetermined pitch in the depth direction of the longitudinal groove 21h. The fine grooves 21h ₁ and 21h ₂ are
The vertical grooves 21h are formed so as to be shifted from each other by half of the predetermined pitch in the depth direction.

At the edge (outside edge) of the second piece 21b of the blade 21, a narrow protruding piece 21j extending rightward in parallel with the virtual plane is formed. Is the folded part 21k folded toward the outdoor side
Are formed. The folded portion 21k has an arc-shaped cross section, and the internal space is a tapping hole 21m.

As shown in FIG. 2, the upper auxiliary frame 22 of the louver assembly 20 has a substantially H-shaped cross section.
Tapping screw 26 penetrating the horizontal flat plate portion 22a
Is screwed into the upper ends of the tapping holes 21i and 21m of the blade 21, whereby the blade 21 and the auxiliary frame 22 are connected. In other words, the upper ends of the many blades 21 are interconnected via the auxiliary frame 22. The auxiliary frame 23 on the lower side of the louver assembly 20 has a substantially inverted U-shaped cross-section, and tapping screws 27 penetrating the horizontal flat plate portion 23a are provided with tapping holes 21i and 21 of the blade 21.
m, the blade 21 and the auxiliary frame 23
Are linked. In other words, the lower ends of the many blades 21 are mutually connected via the auxiliary frame 23.

As shown in FIG. 2, the connecting member 25 of the louver assembly 20 is located on the indoor side of the blade 21.
The blade 21 has a base 25a at the center in the width direction, which is disposed at a middle portion in the longitudinal direction of the blade 21 and has a cross-section shaped like an H-shape. The base 25a is composed of a pair of horizontal pieces 25a ₁ and 25a ₂ that are vertically separated from each other, and these horizontal pieces 25a ₁ and 25a ₂
And a mounting piece 25a ₃ of the concatenated vertically between.
The connecting member 25 further has vertical overhanging pieces 25b and 25c provided above and below the base 25a. In the case where the number of the connecting members 25 is one, it is most preferable that the connecting members 25 are provided at the center position in the longitudinal direction of the blade 21. However, the connecting member 25 may be deviated from this center position.

[0014] As shown in FIG. 3, the above-mentioned mounting pieces 25a _3, a large number of holes 25x with the same pitch along the longitudinal direction of the connecting member 25 is formed. The hole 25x is formed at a position corresponding to the vertical groove 21h of the blade 21.
In a state where the horizontal pieces 25a ₁ and 25a _{2 of the} connecting member 25 are in contact with the protruding pieces 21e of the blade 21, a screw 28 passing through the hole 25x of the connecting member 25 is screwed into the vertical groove 21h, so that the connecting member 25 is It is connected to all the blades 21. In other words, the intermediate portions of the many blades 21 are connected to each other via the connecting members 25. The fine grooves 21h _{1 of} the vertical grooves 21h,
Pitch 21h ₂ is equal to the thread pitch of the screw 28, upon screwing of the screw 28, serves as a screw groove.

As described above, since the longitudinal groove 21h is already formed in the blade 21 at the time of extrusion molding, the step of forming a screw hole for screwing the screw 28 can be omitted, and the manufacturing cost can be reduced. Can be lowered. In this embodiment, one connecting member 25 is connected to the blade 21.
When 1 is longer, for example, 1 in the longitudinal direction of the blade 21
A plurality of connecting members 25 may be connected to the blade 21 every m. The effect of reducing the manufacturing cost of the vertical groove 21 h of the blade 21 becomes more remarkable as the number of the connecting members 25 increases.

The louver assembly 20 is incorporated in a frame 10 as shown in FIG. In this assembled state, when viewed from a direction orthogonal to the virtual plane, that is, when viewed from the indoor side or the outdoor side, the many blades 21 partially overlap with each other.

The operation of the louver device will be schematically described. Air can flow between the indoors and outdoors through the blades 21. When raindrops are blown onto the louver device by wind, the adjacent blades 21 partially overlap each other, the blades 21 have a rectangular shape in cross section, and the folded portions 21d, 21e, and 21k are provided. , Raindrops are prevented from entering the room, and the raindrops
It falls down along and is eliminated outdoors. Since the many long blades 21 are connected to each other at the intermediate portion by the connecting member 25, they do not swing due to strong wind and can prevent inconvenience such as generation of noise.

In the present embodiment, the blade 21 is not directly fixed to the frame 10 but the upper and lower portions of the blade 21 are connected to the auxiliary frames 22 and 23 to form the louver assembly 20. 21 can be absorbed. The details will be described below. The upper frame 13 of the frame 10 has a base 13a and vertical walls 13b and 13c formed on the indoor side edge and the outdoor side edge of the base 13a and extending vertically downward. The base 13a and the vertical walls 13b and 13c form a housing space 13d that opens downward. Vertical walls 13b, 13
Near the upper end of c, an elongated elastic member 15 having a circular cross section made of sponge rubber or the like is attached.

The lower frame 14 of the frame 10 has a base 14
a and a vertical wall 14b formed on the indoor side edge of the base 14a and extending vertically upward. The base 14
Further, a low vertical wall 14c extending vertically upward is formed adjacent to the outdoor side of the vertical wall 14b. The base 14a and the vertical walls 14b and 14c form an accommodation groove 14d that opens upward.

On the other hand, the auxiliary frame 22 on the upper side of the louver assembly 20 has vertical walls 22b and 22c formed on the indoor side edge and the outdoor side edge of the flat plate portion 22a and extending vertically upward. . Also, the lower auxiliary frame 2
3 are vertical walls 23 formed on the indoor side edge and the outdoor side edge of the flat plate portion 23a and extending vertically downward.
b, 23c. Further, a low contact wall 23d, which is located slightly closer to the indoor side than the vertical wall 23b and extends vertically upward, is provided at the indoor side edge of the flat plate portion 23a.

When the louver assembly 20 is installed in the frame 10, the upper auxiliary frame 22 is accommodated in the accommodation space 13d of the upper frame 13, and the vertical wall 23b of the lower auxiliary frame 23 is accommodated in the accommodation groove 14d of the lower frame 14. Is housed in In this housed state, the vertical wall 23b contacts the vertical wall 14c, and the contact wall 23d contacts the vertical wall 14b. Due to the weight of the louver assembly 20, the vertical wall 2
3b is in contact with the bottom surface of the accommodation groove 14d,
c rests on the base 14 a of the lower frame 14. In this state,
The upper ends of the vertical walls 22 b and 22 c of the upper auxiliary frame 22 are separated from the lower surface of the base 13 a of the upper frame 13 and abut on the elastic member 15. In this state, the elastic member 15 is in an elastically deformed state. With the above configuration, when the long blades 21 thermally expand, the upper ends of the vertical walls 22 b and 22 c of the upper auxiliary frame 22 change their positions upward, but do not hit the lower surface of the base 13 a of the upper frame 13 and the elastic material 15 The thermal expansion can be absorbed by the deformation, and the deformation of the blade 21 can be prevented.

The louver assembly 20 can be removably assembled to the frame 10 by eliminating obstacles protruding inside the vertical frames 11 and 12 of the frame 10. In this case, first, the auxiliary frame 22 on the upper side of the louver assembly 20 is inserted into the housing space 13d of the upper frame 13 of the frame 10 from slightly diagonally below, and the vertical walls 22b and 22c of the auxiliary frame 22 largely crush the elastic member 15. In this way, it is made to approach the base 22a as much as possible. In addition, the width of the auxiliary frame 22 is made smaller than the width of the accommodation space 13 d of the upper frame 13,
A slight gap is formed between the two so that the auxiliary frame 22 can be inserted from obliquely below.

Next, the vertical wall 22b of the upper auxiliary frame 22 of the louver assembly 20 is brought into contact with the vertical wall 13b of the upper frame 13, and the contact wall 22d of the lower auxiliary frame 23 is set in the lower frame 1
4 against the vertical wall 14b, and the louver assembly 20
The vertical wall 23b of the auxiliary frame 23 is moved downward by utilizing its own weight while the vertical
4d. This completes the installation of the louver assembly 20. In this state, the elastic member 15 is in a state close to a circular cross section, that is, in a state where the amount of elastic deformation is small, and the vertical walls 22 b and 2
This corresponds to 2c.

By making the frame 10 detachable as described above, the frame 10 can be replaced with a new louver assembly or a louver assembly having a different configuration while the frame 10 is installed in the wall hole. removal,
Can be installed after cleaning.

The louver device of the present embodiment further includes two nets 31 and 32 separated vertically. Upper net 3
1 is attached using a holding plate 35 made of an elongated flat plate and a screw 36 penetrating the holding plate 35 and the net 31. More specifically, as shown in FIG. 1, the upper edge of the net 31 is sandwiched between the lower edge of the vertical wall 13b of the upper frame 13 and the holding plate 35, and is attached by screwing the screw 36 into the vertical wall 13b. . The lower edge of the net 31 is sandwiched between the overhanging piece 25b of the connecting member 25 and the holding plate 35, and is attached by screwing a screw 36 into the overhanging piece 25b. The left and right edges of the net 31 are the vertical frame 11,
Twelve projecting pieces 11a, 12a and a holding plate 35 are sandwiched and attached. The overhanging pieces 11a, 1
Notches (not shown) for accommodating both end portions of the connecting member 25 are formed in the intermediate portion of 2a. Lower net 32
Similarly, the overhanging piece 25c of the connecting member 25 and the lower frame 1
4 and attached to the upper edges of the vertical walls 14b and the projecting pieces 11a and 12a of the vertical frames 11 and 12.

The air-conditioning duct 50 is attached to the louver device of the present embodiment via the sealing member 51 as shown in FIGS. 1 and 2, but may be used as a mere window lash.

FIG. 5 shows a blade 121 made of an extruded aluminum material in another form. The cross section of the blade 121 has a substantially rectangular shape, and is configured so that a flat first piece 121a located on the indoor side and a second piece 121b located on the outdoor side are connected. A central protruding piece 121c is formed at the intersection of the first piece 121a and the second piece 121b. The configuration described so far is almost the same as the first embodiment. A folded portion 121d that is folded toward the outdoor side is formed at the tip of the central protruding piece 121c. The folded portion 121d has a hook shape with an acute angle in cross section. An edge of the first piece 121a (an edge on the indoor side) is formed with a folded portion 121f having an arc-shaped cross section that is folded toward the outdoor side. A narrow protruding piece 121 extending rightward in parallel with the virtual plane is provided on the edge (outside edge) of the second piece 121b.
j is formed, and furthermore, on the right edge of the protruding piece 121j, a folded portion 12 having a hook-shaped cross section folded toward the outdoor side.
1k is formed. Second piece 121b and protruding piece 121j
A tapping hole 121m is formed at the intersection of.

On the first piece 121a of the blade 121, a convex portion 121x projecting toward the indoor side is formed to extend in the longitudinal direction of the blade 121. A vertical groove 121h opening to the indoor side is formed in the convex portion 121x.
The inner part of 21h is a tapping hole 121i. Vertical groove 121h, tapping holes 121i, 121
The point of connecting the connecting member 25 and the auxiliary frames 22 and 23 using m is the same as in the first embodiment.

The present invention is not limited to the above embodiment, and various embodiments are possible. For example, the first piece of the blade may be placed outdoors and the second piece may be placed indoors. The left and right blades may be reversed from the above embodiment. The first piece and the second piece of the blade may be curved. The blades may be installed so as to extend horizontally. In this case, the connecting members are installed vertically. The connecting member may be installed on the outdoor side. Further, the blades may be directly fixed to the upper frame and the lower frame (frame material) without using the louver assembly.

[0030]

As described above, according to the first aspect of the present invention, since the intermediate portions of the blades are connected to each other by the connecting member that intersects with the blades, the blades do not shake even if the blades are long, and noise is generated. Can be prevented. In addition, a longitudinal groove is formed in the blade made of the extruded mold material, and the connecting member can be connected to the blade by screwing a screw into this vertical groove, and as a result, a step of drilling a screw hole in the blade can be omitted, Manufacturing costs can be reduced. According to the second aspect of the present invention, the deep part of the vertical groove of the blade is a tapping hole, which can be used for fixing to the frame material located at both ends in the longitudinal direction of the blade, thereby simplifying the cross-sectional shape of the blade. can do. According to the third aspect of the present invention, the main folded portion for preventing raindrops from entering can be used for forming the vertical groove, and the sectional shape of the blade can be simplified.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a louver device showing one embodiment of the present invention.

FIG. 2 is a longitudinal sectional view taken along the line II-II in FIG.

FIG. 3 is an enlarged sectional view showing a part of a blade and a connecting member used in the louver device.

FIG. 4 is a sectional view showing the longitudinal groove of the blade further enlarged.

FIG. 5 is an enlarged cross-sectional view of a blade in another embodiment.

[Explanation of symbols]

 Reference Signs List 10 frame 20 louver assembly 21 blade 21a first piece 21b second piece 21h main folded part 21g auxiliary folded part 21h vertical groove 21i tapping hole 22, 23 auxiliary frame (frame material) 25 connecting material 26-28 screw

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E06B ⁷ /02-7/098 F24F 13/08

Claims (3)

(57) [Claims] 1. A waterproof louver device in which a plurality of blades made of an extruded die are arranged in parallel on an imaginary plane, and a middle part of the plurality of blades is interconnected by a connecting member extending in a direction intersecting with the blades. On the blade, a longitudinal groove extending in the longitudinal direction of the blade and facing the connecting member is formed, and a screw penetrating the connecting member is screwed into this longitudinal groove, so that the blade and the connecting member are connected. Characteristic louver device. 2. A tapping hole is formed at a deep portion of a vertical groove of the blade, and screws penetrating frame members located at both ends in the longitudinal direction of the blade are screwed into the tapping holes, so that the blade and the frame member are connected to each other. The louver device according to claim 1, wherein the louver device is connected. 3. The imaginary plane is vertical, and the wing extends in the vertical direction, and the first and second pieces inclined with respect to the imaginary plane are connected to form a substantially rectangular cross section. The main folded portion is formed at the edge of the first piece toward the second piece, and the auxiliary folded portion is formed at the edge of the main folded portion in the opposite direction. The main folded portion and the auxiliary folded portion are formed. 3. The louver device according to claim 1, wherein the vertical groove is formed between the louver device and the louver device.