JP2012102458A - Wooden movable louver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wooden movable louver for which exchange and maintenance of movable blades are easily performed.SOLUTION: The wooden movable louver includes many movable blades 4 and a shaft part 5 for pivoting the respective movable blades between stiles 1a and 1b so as to be freely rotated around a horizontal axis. At least one of the stiles is provided with many bearing holes 10 at intervals on an inner peripheral side part P, is open on the outer peripheral side, and is roughly U-shaped having a recessed part 9 communicated with the bearing holes inside. A transmission rack 6 is arranged along the longitudinal direction of the stile in the recessed part. The movable blade has an inserted and locking part 15 to which the shaft part is to be inserted on one side end, and has another shaft part 16 to be inserted to the other stile on the other side end. The shaft part has an inserting and locking part 5a to be inserted to the inserted and locking part of the movable blade when a shaft rod 5c is inserted to the bearing hole from the recessed part side of the stile, and a gear 5b to be engaged with the transmission rack and coaxially rotated with the shaft rod. The transmission rack synchronously adjusts the inclination angles of the respective movable blades by vertical movement inside the recessed part and the rotation of the gear.

Description

  The present invention relates to a joinery having a louver function that adjusts the irradiation of light by sunlight and lighting inserted into a room, and more particularly to a wooden movable louver using natural wood.

  In recent years, indoor furniture has been mainly made of aluminum, which is inexpensive and can be mass-produced, but due to changes in various social environments such as environmental measures due to global warming and increased stress, public buildings such as schools have changed from reinforcing steel buildings. The rebuilding to wooden structures is progressing. In addition, the user's consciousness has also changed from the above-mentioned situation, and there is a tendency to return to the wooden joinery to which natural wood is applied. Among them, a wooden movable louver which has a function of daylighting and winding and can be adjusted to a user's favorite state is attracting attention.

      JP 2007-23760 A

The problem with wooden movable louvers is that wooden movable wings are deformed from day to day and are susceptible to external influences such as scratches and breakage. Therefore, it was necessary to perform maintenance of the movable wings frequently. However, since the conventional wooden movable louver has a structure in which the movable unit of the movable wing is built in the cage, reinforcing materials and joints between the cages are miscellaneously incorporated to maintain the strength of the cage. It has a structure that is difficult to disassemble, and it is not easy to replace or maintain the movable wings. In most cases, it relies on a specialist with specialized knowledge.
This invention is made | formed in view of the said subject, and is providing the wooden movable louver which can perform replacement | exchange and maintenance of a movable blade easily.

  According to the first aspect of the present invention, the upper and lower rods, the left and right vertical rods, a large number of movable blades arranged in parallel between the vertical rods, and each movable blade between the left and right vertical rods are rotated on a horizontal axis. And at least one of the left and right vertical shafts is provided with a large number of bearing holes at intervals on the inner peripheral side, and the outer peripheral side is open to the inside. In the recess, a transmission rack is disposed along the longitudinal direction of the vertical shaft, and the movable blade has a shaft portion inserted into one end thereof. The other side end has the other shaft portion to be inserted into the other vertical shaft, and the shaft portion is when the shaft rod is inserted into the bearing hole from the concave portion side of the vertical shaft. The insertion locking portion to be inserted into the insertion locking portion of the movable blade, and a gear that meshes with the transmission rack and rotates coaxially with the shaft rod. The transmission rack moves up and down in the recess and synchronously adjusts the inclination angle of each movable wing by the rotation of the gear, and has a lid that opens or closes the open side of the recess on the outer peripheral side of the vertical shaft. It is characterized by.

  The invention according to claim 2 of the present invention is characterized in that the upper and lower ridges, the left and right vertical ridges, a large number of movable wings arranged substantially in parallel between the upper and lower ridges, and each movable wing between the upper and lower ridges can be rotated on a vertical axis. And at least one of the upper and lower flanges is provided with a large number of bearing holes at intervals on the inner circumferential side of the collar, and the outer circumferential side is open and the bearing holes are formed inside. It has a substantially U-shape with a communicating recess, a transmission rack is arranged in the recess along the longitudinal direction of the collar, and the movable wing is inserted into the shaft at one end of the top and bottom In addition to having a locking portion, the other upper and lower ends have another shaft portion to be inserted into the other flange, and the shaft portion is covered with the movable wing when the shaft rod is inserted into the bearing hole from the recessed portion side of the flange. It has an insertion locking part inserted into the insertion locking part, and a gear that meshes with the transmission rack and rotates coaxially. The left and right movements in the recesses rotate the gears to synchronize and adjust the tilt angle of each movable wing, and the open side of the recesses is opened or closed on the outer peripheral side of the flange having the shaft portion. It has the lid | cover which does.

  The invention according to claim 3 of the present invention is characterized in that the bag having the transmission rack therein has a pressing member that protrudes and protrudes from the face of the bag to push the transmission rack toward the gear.

  According to the first aspect of the present invention, if the lid is removed from the outer peripheral side portion of the vertical shaft, the shaft portion, the rack, etc., which are movable means of each movable blade, are widely exposed. It can be easily removed for easy maintenance and parts replacement. Furthermore, since the components of the movable means of each movable wing can be assembled from the outside of the vertical frame, the assembly of the wooden movable louver is greatly facilitated as compared with the prior art.

According to the invention described in claim 2 of the present invention, even in a wooden movable louver of a type in which the movable wing is disposed between the upper and lower ridges, maintenance and replacement of the movable wing can be easily performed by removing the lid on the rim outer peripheral side. It becomes like this.

  According to the invention described in claim 3 of the present invention, since the pressing portion protrudes and emerges from the locating surface or the outer prospective surface of the bag, and when the pressing portion is pushed in, the rack is pushed in substantially the horizontal direction. Engagement becomes stronger. As a result, even if the movable blade is loosened due to aging, if the above adjustment is performed, the shaft portion is reliably rotated by the vertical movement of the rack, and the wooden movable louver can be used stably for a long time.

(A) is the front view which carried out the longitudinal cross-section only of the vertical fence of the wooden movable louver by this implementation, (b) is an AA line cross-sectional view. It is the simplified perspective view explaining the action | operation state of the movable wing | blade in the wooden movable louver by this implementation. (A)-(c) is the longitudinal cross-sectional view seen from the side surface which shows the operating state of the wooden movable louver by this implementation. It is the front view which carried out the longitudinal cross-section of only the vertical gutter which shows the procedure which attaches a gear from the outer peripheral side of a vertical gutter, and the removal procedure. It is a perspective view which shows the state which removed the cover from the downpile. It is the longitudinal cross-sectional view seen from the side surface explaining the difference in the meshing state of the rack and the gear of a shaft part by the degree of appearance of a press member. It is a front view which shows other embodiment of the wooden movable louver of this invention.

Hereinafter, an embodiment of a wooden movable louver according to the present embodiment will be described with reference to the drawings.
As shown in FIG. 1 (a), the wooden movable louver is constructed by assembling a wooden upper rod 2 and lower rod 3 and left and right vertical rods 1a and 1b, and a plurality of wooden movable blades at equal intervals in the vertical direction. 4 is pivotally supported by the shaft portion 5 so as to be rotatable in the horizontal axis, and as shown in FIG. 1B, at the end portion of each shaft portion 5 on the side projecting into the vertical rod (the rod on the right side in the drawing) 1a. Each has a gear 5b, and by raising and lowering the operating portion 8 provided on the front-side finding surface of the vertical rod 1a, each movable blade 4 is rotated in the horizontal axis in synchronization with each other as shown in FIG. It is formed.

  As for the specific structure for moving each movable wing as described above, as shown in FIG. 1 (b), first, the vertical rod 1a is provided with a concave portion 9 which is continuous in the vertical direction so as to open the outer peripheral side. 9 is provided with a plurality of bearing holes 10 penetrating to the inner peripheral side surface of the vertical rod 1a at intervals. Further, a hard resin reinforcing member 11 having a U-shape is attached to the concave portion 9 along the inner peripheral side of the concave portion 9, and this reinforcing member 11 is also located at a position corresponding to each bearing hole 10 of the vertical rod 1 a. Reinforcing bearing holes 12 are provided on the surface. And the transmission rack 6 extended in an up-down direction is arrange | positioned in the state which is not fixed to the front side of the U-shaped inner peripheral side of the reinforcement member 11. FIG. Further, the shaft portion 5 of the movable blade 4 is provided with an insertion locking portion 5a in which one end in the longitudinal direction of the shaft rod 5c has a substantially rectangular cross section, and when inserted into the side end surface of the movable blade 4, the movable blade 4 The structure is such that the rotational force can be transmitted by being engaged with the four inserted locking portions 15. Further, a gear 5b that rotates in a horizontal axis is provided on the other end side of the shaft portion 5. When the shaft portion 5 is inserted into the bearing hole 10 and the reinforcing bearing hole 12, the transmission rack 6 is engaged. The transmission rack 6 moves up and down in the recess 9 to synchronize and adjust the rotation angle of each movable blade 4.

  The vertical movement of the transmission rack 6 is performed in conjunction with the operation unit 8 provided on the front side of the vertical rod 1a. Specifically, as shown in FIG. 3, the operation unit 8 has a convex knob 8b that protrudes substantially horizontally at the front side intermediate portion of the slide plate 8a having a vertically long rectangular shape (FIG. 1B). )reference). Further, on the side of the slide plate 8a facing the concave portion 9 of the vertical rod 1a, a vertically long transmission rack 6 is bonded and fixed so as not to be detached, and this transmission rack 6 is vertically moved over each shaft portion 5. It extends and is in mesh with the gear 5b of each shaft portion 5 (see FIG. 1 (a)). Thus, for example, as shown in FIG. 3 (b), if the knob 8b of the operation unit 8 is slid upward from the intermediate position in FIG. 3 (a), the slide plate 8a of the operation unit 8 is interlocked. The gear 5b of each shaft portion 5 engaged with the transmission rack 6 is rotated in the horizontal axis clockwise, and as a result, all the movable blades 4 are rotated in the horizontal axis in synchronization.

As shown in FIG. 4, the outer periphery side of the vertical rod 1 a is open, but is detachably closed by the lid 7. Specifically, on the outer peripheral side portion Q of the vertical rod 1, step portions 14 are provided on both sides sandwiching the opening 13, and are provided in the vertical direction along the longitudinal direction of the vertical rod 1 a. The lid 7 is fitted along the lines 14 and 14 so as to close the concave portion 9 of the vertical rod 1a. In the wooden movable louver according to the present embodiment formed as described above, when the movable blade 4 is replaced, as shown in FIG. 5, first, as a first procedure, the lid 7 from the outer peripheral side portion Q of the vertical rod 1a is used. Is removed, and the recess 9 of the vertical rod 1a is opened. Next, as a second procedure, the shaft portion 5 inserted into the bearing hole 10 and the reinforcing bearing hole 12 is extracted from the recess 9 of the vertical shaft 1a, and the shaft support state of the movable blade 4 for the purpose of replacement or maintenance is released. When it has been confirmed, it is removed from the opening 13. Through this procedure, the individual movable blades 4 can be removed from the inner peripheral side portion P of the vertical rod 1a without removing the vertical rod 1a. Further, when the movable blade 4 is attached, the movable blade 4 is inserted into the bearing hole 10 and the reinforcing bearing hole 12 of the other vertical shaft 1a, and if the movable blade 4 is also referred to with reference to FIG. By aligning the bearing hole 10 of the vertical rod 1a on the side where the insertion locking portion 5a of the shaft portion 5 is inserted into the insertion locking portion 15, and inserting the shaft portion 5 from the outer peripheral side of the vertical rod 1a there, The movable blade 4 can be reattached from the inner peripheral side portion P of the flange 1a.
In this embodiment, an adhesive is applied to the fitting portion between the lid 7 and the vertical rod 1a. Even in this case, when removing the lid 7, it can be easily removed by gently tracing the bonding portion with a cutter or the like. Can do.

  Further, as shown in FIG. 6A, the operation unit of the present embodiment has a ball screw (pressing member) 16 attached to the back side of the vertical rod 1a so as to be able to appear and retract with a tool such as a screwdriver. The tip of the ball screw 16 reaches the transmission rack 6 as shown in FIG. 6B, and when the ball screw 16 is turned with a tool 17 or the like and screwed into the vertical rod 1a, the transmission rack 6 is pressed. However, the meshing between the transmission rack 6 pushed by the ball screw 16 and the gear 5b of each shaft portion 5 is strengthened, so that the load during rotation of each movable blade 4 is increased. Thus, the movable blade 4 can be reliably stopped at the position where the rotation is stopped by the adjustment in the operation portion 8 (see FIGS. 3A to 3C). The position where the ball screw 16 is provided is preferably provided on the outdoor side in consideration of the exterior design of the wooden movable louver, but is particularly limited because adjustment is easy when provided on the indoor side. is not.

  The wooden movable louver according to the present embodiment is formed so that the movable wing 4 and the operation portion 8 do not protrude from the finding surface on one side and the other side of the vertical rod 1a. Thereby, it can apply to the opening part which puts a shoji in a sliding door or a door pocket, and can expand | deploy the wooden movable louver conventionally limited to the hinged door and the fitting type (FIG. 3 (a)). reference).

  The wooden movable louver of the present invention has been described in the above embodiment in which the movable blade is pivotally supported between the left and right vertical shafts, but the movable blade 24 is pivotally supported between the upper and lower rods 22 and 23 as shown in FIG. You can also. In this case, a description of a portion having the same configuration as that of the wooden movable louver of the type in which the movable wing 24 described above is pivotally supported between the left and right vertical rods 21a and 21b will be omitted. By sliding the operation part 28 provided to the left and right, the transmission rack 26 provided in the recess 29 of the lower rod 23 slides to the left and right in conjunction with the operation part 28. By rotating the portion 25, each movable blade 24 rotates in synchronization with the shaft. In the present embodiment, the transmission rack and the shaft portion 25 and the lid 27, which are movable means of each movable blade 24, are provided on the upper rod 22, but the lower rod 23 corresponds to the installation location of the wooden movable louver. Further, although not shown, the operation portion of each movable wing 24 may be provided on either of the upper and lower rods 22 and 23.

  As for the attachment and detachment of the lid 7 and the vertical rod 1a, a slide groove is formed at a place where the step portion 14 of the vertical rod 1a is provided, in addition to being fitted to the step portion of the vertical rod 1b as in the above embodiment. The lids 7 and 27 may be slid and attached thereto, and is not particularly limited. The left and right vertical rods 1a and 1b and the vertical rods 2 and 3 have a minimum space in which the transmission rack 6 for rotating the movable blade 4 in the recess 9 and the gear 5b of the shaft portion 5 can be stored in the recess 9. The material is not particularly limited as long as it has durability capable of withstanding the weight of each movable blade 4. Further, the shape and size of the knob 8b may be, for example, a circular shape or a polygonal shape as long as the user can easily grasp it with a finger other than the square shape shown in the present embodiment.

1a, 1b, 21a, 21b Longitudinal rod 2,22 Upper rod 3,23 Lower rod 4,24 Movable blade 5,25 Shaft portion 5a Insert locking portion 5b Gear 5c Shaft rod 6,26 Transmission rack 7,27 Lid 9 , 29 Concave portion 10 Bearing hole 15 Inserted locking portion 16 Other shaft portion P Inner peripheral side portion of the flange Q Outer peripheral portion of the flange

Claims (3)

Equipped with upper and lower rods, left and right vertical rods, a large number of movable wings arranged substantially parallel between the vertical rods, and a shaft portion that rotatably supports each movable wing between the left and right vertical rods. ,
At least one of the left and right vertical shafts has a substantially U-shaped configuration in which a large number of bearing holes are provided at intervals on the inner peripheral side and the outer peripheral side is open and has a recess that communicates with the bearing hole. The transmission rack is arranged along the longitudinal direction of the downspout in the recess,
The movable wing has an insertion locking portion into which the shaft portion is inserted at one end, and the other shaft portion to be inserted into the other vertical shaft at the other end,
When the shaft is inserted into the bearing hole from the side of the downside of the vertical shaft, the shaft engages with the insertion locking portion to be inserted into the insertion locking portion of the movable wing, and rotates coaxially with the shaft rod. And a gear to
The transmission rack moves up and down in the recess and rotates the gears to synchronize and adjust the tilt angle of each movable wing.
A movable louver characterized by having a lid that opens or closes the open side of the recess on the outer peripheral side of the vertical shaft. Equipped with upper and lower rods, left and right vertical rods, a large number of movable wings arranged substantially parallel between the upper and lower rods, and a shaft portion that rotatably supports each movable wing between the upper and lower rods,
At least one of the upper and lower rods has a substantially U-shape with a large number of bearing holes provided at intervals on the inner circumferential side of the collar and a recess that is open on the outer circumferential side and communicated with the bearing hole. And a transmission rack is disposed in the recess along the longitudinal direction of the ridge,
The movable wing has an insertion locking portion into which the shaft portion is inserted into one of the upper and lower ends, and the other shaft portion to be inserted into the other flange at the other upper and lower ends,
The shaft portion includes an insertion locking portion that is inserted into the insertion locking portion of the movable blade when the shaft rod is inserted into the bearing hole from the concave portion side of the flange, and a gear that meshes with the transmission rack and rotates coaxially. Have
The transmission rack moves the left and right in the recess and rotates the gears to adjust the inclination angle of each movable wing synchronously,
A movable louver characterized by having a lid that opens or closes the open side of the recess on the outer peripheral side of the side having the shaft. The movable louver according to claim 1 or 2, wherein the bag having the transmission rack therein has a pressing portion that protrudes and protrudes from a surface where the bag is found to push the transmission rack toward the gear.

Images