JP7240928B2 - Headbox and solar radiation shielding device using the same - Google Patents

Description

TECHNICAL FIELD The present invention relates to a headbox, and more particularly to a headbox having a motor fixing structure for fixing a motor that generates a rotational driving force for raising and lowering a shielding material. The present invention also relates to a solar shading device using the headbox.

Conventionally, the inside of the head box used for solar shading devices (curtains) such as electric blinds, roman shades, pleated screens, etc., which are driven up and down by motor drive, includes a power supply device, a control device, a motor, and a winding drum. , shafts, etc.

A shielding material such as a curtain or louver is connected to the lifting cord that hangs down from the head box. Raising and lowering the material and rotating the louver are performed.

In addition, in the headbox, there is a type with an upper opening (hereinafter referred to as "upper opening type") (see, for example, Patent Document 1) and a type with an opening below (hereinafter referred to as a "top opening type"). There is a headbox (referred to as "lower opening type") (see Patent Document 2, for example).

In both the top-opening type headbox and the bottom-opening type headbox, the motor is fixed while being surrounded by the headbox, or fixed to the headbox via a fixing bracket.

Japanese Patent Application Laid-Open No. 2005-230289 Japanese Unexamined Patent Application Publication No. 2016-142000

Since the motor is an electrical device, it may be desired to perform periodic maintenance. Also, when the motor fails, the motor must be repaired or replaced (both cases are hereinafter included in the concept of "maintenance"). In these cases, it is required to remove the motor from the headbox.

However, in the top-opening type headbox, if the distance from the ceiling is not sufficient, the motor alone cannot be removed, and the headbox itself must be removed from a structure such as a building. In addition, even if it were possible to work on a top-opening type headbox without removing the headbox from the structure, the work would have to be done from the upper opening of the headbox, which is located in a higher place, which would require a large amount of work. become.

On the other hand, regardless of whether the headbox is open in the top or bottom direction, if it is fixed in a state surrounded by the headbox, it must be pulled out by sliding it to the end of the headbox. Some relationships (especially when the motor is in the middle of the headbox) require disassembly of the inside of the headbox. Furthermore, even when the motor is fixed with a fixing metal fitting, the conventional fixing metal fitting does not assume that the motor can be easily attached and detached, and the work of removing the motor is troublesome.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a headbox having a motor fixing structure that facilitates attachment and detachment of a motor during maintenance, and a solar radiation control device using the headbox. To provide a shielding device.

The above objects are achieved by the present invention described below. That is, the headbox of the present invention has two elongated side walls facing each other, and a wall connecting one long sides of the two side walls. a main body provided with a pair of engaging portions arranged to face each other and extending along the longitudinal direction;
Engaged portions having a shape that engages with the engaging portion are provided on both sides, the motor is mounted in a concave space formed in a cross section perpendicular to the longitudinal direction of the main body, and is attached across the pair of engaging portions. a supportable motor fixture;
Prepare.

In the present invention, it is preferable that the motor fixing member can slide in the longitudinal direction of the main body while the engaging portion and the engaged portion are engaged with each other. In this case, the motor fixing member may consist of two motor fixing plates that can slide in the longitudinal direction of the main body.

Further, in the present invention, the engaging portion includes a projecting portion projecting from one side wall portion toward the opposite side wall portion, and a tip end of the projecting portion that rises toward the wall portion. It is preferable to have a clamping piece consisting of a claw portion.

On the other hand, the solar shading device of the present invention includes a headbox according to any one of the above-described present inventions, which is installed with the opening side facing downward;
a motor fixed to the main body by the motor fixing member;
an elevating cord attached to the head box and elevating by power of the motor;
a shielding material that is connected to the lifting cord and moves up and down with the lifting and lowering of the lifting cord;
Prepare.

Advantageous Effects of Invention According to the present invention, it is possible to provide a headbox having a motor fixing structure that facilitates attachment and detachment of a motor during maintenance, and a solar radiation shielding device using the headbox.

BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view seen from the diagonally downward direction which shows the whole headbox structure concerning embodiment of this invention. It is a perspective view showing the arrangement relationship of the parts accommodated inside the headbox according to the embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, showing the configuration of the main body of the headbox according to the embodiment of the present invention; FIG. 2 is a perspective view of a motor fixing plate according to the embodiment of the present invention, viewed obliquely from above; It is the perspective view which looked at the motor fixing plate in embodiment of this invention from the diagonally downward direction. FIG. 4 is a side view of the motor fixing plate according to the embodiment of the present invention, viewed from the side facing the other motor fixing plate; FIG. 4B is a bottom view showing the process of attaching the motor to the headbox according to the embodiment of the present invention, in which the motor fixing plate is placed in a temporary position and the motor is inserted through the opening on the lower side of the main body of the headbox; be. FIG. 4 is an enlarged front view of essential parts of the headbox according to the embodiment of the present invention, showing only the motor and its surroundings, and hiding the front side of the main body of the headbox so that the inside can be seen. FIG. 3 is an enlarged bottom view of a main part of the head box with only the motor and its surroundings extracted according to the embodiment of the present invention; FIG. 9 is a cross-sectional view of the headbox 1 according to the embodiment of the present invention, which is a cross-sectional view taken along line CC in FIG. 8. FIG. 1 is a schematic front view showing an entire blind device according to an embodiment of the present invention; FIG.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a perspective view of the overall configuration of a headbox according to an embodiment of the present invention, viewed obliquely from below. FIG. 2 is a perspective view of the headbox according to the embodiment of the present invention, viewed obliquely from above, with the main body of the headbox hidden so that the layout relationship of the components housed inside the headbox can be seen. On the other hand, FIG. 3 is a drawing showing the structure of the main body of the headbox according to the embodiment of the present invention, and is a cross-sectional view taken along the line AA in FIG.

In each drawing of the present embodiment, for convenience of explanation, the longitudinal direction of the head box 1 is the direction of arrow ab, the left side of the drawing toward the lid portion 14 is the direction of arrow a, and the right side of the drawing toward the lid portion 15 is the direction of arrow b. direction.

The depth direction of the head box 1 is the direction of arrow cd, the window side of the interior space is the direction of arrow c, and the room side of the interior space is the direction of arrow d. Further, the vertical direction of the headbox 1 with respect to the floor surface is the direction of arrow ef, the upper side, i.e., the direction in which the blind (shielding material) is rolled up, is the direction of arrow e, and the lower side, i.e., the direction in which the blind is pulled down, is the direction of arrow f.

<Overall configuration of headbox>
As shown in FIGS. 1 to 3, the headbox 1 includes two elongated side walls 11 and 12 facing each other and a wall connecting one long sides of the two side walls 11 and 12. A lower opening type head box main body (main body) 10 having a concave space SP having a U-shaped cross section (inverted U-shaped) and a longitudinal direction (arrow ab direction) of the head box main body 10 ) are provided with rectangular plate-shaped lids 14 and 15 attached so as to block the recessed space SP from both ends thereof.

As shown in FIG. 3 , the side walls 11 and 12 of the headbox body 10 are arranged parallel to each other so that the inverted shapes of the side walls 11 and 12 form the side walls of the headbox body 10 .
The wall portion 13 of the headbox body 10 connects the side wall portions 11 and 12 at the ends on the upper side (in the direction of the arrow e) of the side wall portions 11 and 12 and is molded integrally therewith. forming a wall.

Motor fixing plates 30a and 30b (engaged portions 35 thereof), which will be described later, are engaged with the inner peripheral surfaces 11a and 12a of the side wall portions 11 and 12 facing each other at their lower (in the direction of arrow f) ends. Engagement portions 11m and 12m for fitting and attaching the lid portions 14 and 15 are formed along the longitudinal direction. The engaging portions 11m and 12m are molded integrally with the side wall portions 11 and 12 and the wall portion 13 .

The engaging portion 11m and the engaging portion 12m have the same structure and have upper clamping pieces 111u and 112u projecting to face each other. In addition, the engaging portion 11m and the engaging portion 12m are formed at positions below the upper clamping pieces 111u and 112u (in the direction of the arrow f) and separated from the upper clamping pieces 111u and 112u by a predetermined distance. It has lower clamping pieces (clamping pieces) 111d and 112d projecting so as to face each other.

In particular, in the lower clamping pieces 111d and 112d, protrusions 111ds and 112ds protruding from one side wall (11 and 12) toward the opposite side wall (12 and 11), and the protrusions 111ds and 112ds 112ds, claw portions 111dt and 112dt rising toward the wall portion 13 are formed. These lower clamping pieces 111 d and 112 d are engaged with the motor fixing plate 30 .

As shown in FIGS. 1 and 2, in the recessed space SP of the headbox body 10, from the left side (the direction of the arrow a), a winding drum 21, a sensor component 24, a winding drum 25, a motor 26, and a , the winding drum 27 is accommodated. In addition, although not shown, other power supply devices and electronic boards such as a power supply board and a control board are accommodated in the recessed space SP.

The winding drums 21 , 25 , 27 are drums for winding up or pulling down a shielding material such as a blind (not shown), and are arranged at the left and right ends and the central portion of the headbox body 10 . In this example, three winding drums are arranged, but this number may be changed depending on the width of the solar radiation shielding device (the length of the headbox in the left-right direction (arrow ab direction)) and the design. selected. Usually, it is selected in the range of 2 to 10, but it is not limited to this.

The sensor component 24 accommodates various sensors for detecting the winding position of the curtain and the like. The motor 26 is a driving source for rotating the winding drums 21 , 25 , 27 .
A shaft 28 passes through the motor 26 and is connected to the winding drums 21 , 25 and 27 . Incidentally, the components accommodated in the recessed space SP of the headbox body 10 are not limited to these, and various other components may also be accommodated.

A pair of motor fixing plates 30a and 30b, which serve as motor fixing members, are plate-like bodies having the same shape and structure, and are arranged to face each other. Note that the common configuration of the motor fixing plate 30a and the motor fixing plate 30b will be described below using reference numerals "30" without alphabetical letters.

The motor fixing plate 30 is attached by being engaged with the engaging portion 11m of the side wall portion 11 and the engaging portion 12m of the side wall portion 12 of the head box body 10 (see FIG. 7). The motor 26 is attached by the motor fixing plates 30a and 30b. That is, the motor 26 is attached to the lower (arrow f direction) ends of the side walls 11 and 12 of the head box body 10 via the motor fixing plates 30a and 30b.

<Motor fixing plate>
4 is a perspective view of the motor fixing plate 30 in this embodiment as seen from diagonally above, FIG. 5 is a perspective view of the motor fixing plate 30 as seen from diagonally below, and FIG. , respectively, are shown.

The motor fixing plate 30 is a motor fixing member for fixing the motor 26 to the head box 1, and is a set of two parts.
The motor fixing plate 30 has a base portion 31 having a substantially rectangular parallelepiped shape whose longitudinal direction is the depth direction (direction of arrow cd) in a plan view. On both side ends in the lateral direction), there are engaged portions 33 and 35 shaped to engage with the engaging portions 11m and 12m of the side wall portions 11 and 12, respectively.

The engaged portions 33 and 35 have lower surfaces 33b and 35b, which are surfaces on the lower side (in the direction of arrow f). Engaged protrusions 33p and 35p are provided so as to protrude downward (in the direction of arrow f).

The distance between the upper surface 34 of the motor fixing plate 30 and the lower surfaces 33b and 35b of the engaged portions 33 and 35 is the same as the distance between the upper clamping pieces 111u and 112u of the head box body 10 and the claw portions 111dt and 112dt. They are almost the same, the latter being slightly shorter. Also, the distance between the upper surface 34 of the motor fixing plate 30 and the tips of the engaged projections 33p, 35p is approximately the distance between the upper clamping pieces 111u, 112u of the head box body 10 and the projections 111ds, 112ds. The same, the latter being slightly longer. Therefore, the engaging portions 11m and 12m of the head box main body 10 and the engaged portions 33 and 35 of the motor fixing plate 30 can be firmly engaged to such an extent that they are not easily disengaged.

Also, the distance between the facing inner peripheral surfaces 11a and 12a of the side walls 11 and 12 of the head box body 10 is substantially the same as the total length of the motor fixing plate 30 in the depth direction (direction of arrow cd), and the latter is slightly longer. It's getting shorter. Therefore, by engaging the engaging portions 11m and 12m of the head box main body 10 with the engaged portions 33 and 35 of the motor fixing plate 30, the motor fixing plate 30 extends between the pair of engaging portions 11m and 12m. It is attached.

In order to attach in this way, from either end in the longitudinal direction of the head box main body 10 before attaching the lids 14 and 15, the engaged portions 33 and 33 are inserted into the engaging portions 11m and 12m of the head box main body 10, respectively. Insert motor fixing plate 30 so that 35 is engaged. By sliding the motor fixing plate 30 using the engaging portions 11m and 12m extending in the longitudinal direction of the headbox body 10 as rails, the motor fixing plate 30 is moved to a desired position in the longitudinal direction of the headbox body 10. can be placed.

The base portion 31 has attachment portions 37 formed with insertion holes 33h and 35h in inner regions adjacent to the engaged portions 33 and 35 in the vicinity of both end portions in the longitudinal direction of the arrow cd. , 39. Note that the mounting portions 37 and 39 are part of the base portion 31 .
The mounting portions 37 and 39 have insertion holes 33h and 35h formed of through holes, and plate-like nuts (not shown) screwed with the male screws 22 (see FIG. 10) inserted through the insertion holes 33h and 35h. is provided inside it.

Therefore, when the motor fixing plate 30 is engaged with the engaging portions 11m and 12m of the side wall portions 11 and 12, the male screw 22 and the above-described nut screwed thereon are engaged with the engaging portions 11m and 12m. It is attached to the side walls 11 and 12 by sandwiching the lower clamping pieces 111d and 112d.

Also, on the upper side (in the direction of arrow e) of the base portion 31, there is formed a recessed motor support portion 32 with no edge only on the side facing the motor fixing plate 30 on the other side. Both sides of the motor 26 in the left-right direction (arrow ab direction) are fitted to and supported by the motor support portions 32 of the pair of motor fixing plates 30a and 30b.

<Installation and removal (removal) of the motor>
In the head box 1 of this embodiment configured as described above, the operation of attaching and detaching the motor 26 (both operations are collectively referred to as “attachment/removal”) will be described with reference to FIGS. 7 to 10. FIG.

First, the pair of motor fixing plates 30a and 30b are installed from one end in the longitudinal direction of the head box main body 10 so that the edgeless sides of the recess of the motor support portion 32 face each other as described above. Insert sequentially. Then, the motor fixing plates 30a and 30b are slid on the rails of the engaging portions 11m and 12m, respectively, to a position (temporary position) slightly retracted (slightly apart from each other) from the predetermined position for fixing the motor 26. put these in the

Then, the motor 26 is inserted through the opening on the lower side of the head box main body 10 around the predetermined fixed position. FIG. 7 is a bottom view showing the process of attaching the motor to the headbox 1, with the motor fixing plates 30a and 30b placed in temporary positions and the motor 26 inserted through the opening on the lower side of the headbox body 10. FIG. (The figure seen from the downward direction).

As shown in FIG. 7, the shaft 28 is divided into left and right halves, and couplings 29 are attached to both ends. This shaft 28 is brought closer to the motor 26 and a coupling 29 is connected to the shaft 26s of the motor. Also, a connector (not shown) of an input lead (not shown) of the motor 26 is connected to a power supply device and a control circuit (not shown). As a result, the motor 26 is electrically connected to a power supply or the like, and is also physically connected to the shaft 28 to which the driving force is output.

After that, the motor fixing plates 30a and 30b are slid from the temporary position in a direction (arrow B direction) in which both of them approach each other while being engaged with the rails of the engaging portions 11m and 12m. The motor fixing plates 30a and 30b are positioned so that the lower ends of the mounting portions 26a on both sides of the motor 26 in the axial direction (horizontal direction, arrow ab direction) fit into the recesses of the motor support portion 32 in the motor fixing plates 30a and 30b. put the This position is the predetermined position for fixing the motor 26 on the motor fixing plates 30a and 30b (the same position as in FIGS. 8 and 9 showing the state after the final installation).

FIG. 8 shows only the motor 26 and its surroundings in the headbox 1 according to the embodiment of the present invention, with the side wall 12 on the front side (room side, arrow d direction side) of the headbox body 10 hidden. Fig. 2 is an enlarged front view of a main part showing the inside; 9 is an enlarged bottom view of the same location as FIG. 8. FIG. On the other hand, FIG. 10 is a cross-sectional view of the headbox 1 according to the embodiment of the present invention, which is a cross-sectional view taken along line CC in FIG.

As shown in FIG. 10, on the opposing inner peripheral surfaces 11a and 12a of the side walls 11 and 12 of the head box body 10, a plurality of ribs 11g and 12g protruding toward the recessed space SP and a protruding portion 11h of the wall surface are provided. , 12h, which are in contact with the outer shape of the mounting portion 26a of the motor 26 to support the motor 26. As shown in FIG.

Motor fixing plates 30a and 30b are positioned in the lower opening of the head box body 10, and support the mounting portion 26a fitted in the recess of the motor support portion 32 from below. Then, the mounting portion 26a of the motor 26 is surrounded and held in the headbox body 10 from all sides. In this state, the motor fixing plates 30a and 30b can be fixed to the head box body 10 and the motor 26 can be fixed by inserting the male screws 22 into the insertion holes 33h and 35h and screwing them together.

That is, in the side walls 11 and 12 of the head box body 10, the motor fixing plate 30 is fixed by the nuts (not shown) of the mounting portions 37 and 39 and the male screws 22 in the longitudinal direction (arrow ab direction) of the side walls 11 and 12. Can be installed in any position. In other words, the motor fixing plate 30 and the engaging portions 11m and 12m of the side walls 11 and 12 constitute a motor fixing structure for fixing the motor 26 to the head box body 10 .

The operation for attaching the motor 26 to the head box 1 of the present embodiment has been described above.
That is, in the head box 1 of the present embodiment shown in FIGS. 8 to 10 in the finished product state to which the motor 26 is attached, first, the male screw 22 is loosened to release the fixation of the motor fixing plates 30a and 30b. Then, the motor fixing plates 30a and 30b are slid in a direction in which both of them move away from each other (in the direction of arrow D in FIG. 9), and placed in temporary positions.

After the motor 26 has been unsupported by the motor fixing plates 30a and 30b, the connector (not shown) is removed from the power supply device (not shown) and the two couplings 29 of the shaft 28 are removed. With the above operation, the motor 26 in the free state shown in FIG.
As described above, the motor 26 can be easily removed from the headbox 1 of the present embodiment.

Therefore, according to the present embodiment, the headbox 1 can be removed from a structure such as a building during periodic maintenance of the motor 26, or when repair or replacement is required due to a failure of the motor 26. The motor 26 can be easily attached and detached without removing it and without dismantling the inside of the head box 1. - 特許庁

<Blind device>
Next, a blind device 100 of an embodiment using the headbox 1 of the embodiment described above will be described as a solar radiation shielding device using the headbox of the present invention.
FIG. 11 is a schematic front view showing the entire blind device according to the present embodiment. Hereinafter, description will be made with reference to FIG. 11 and the headbox 1 .

The blind device 100 is fixed to an opening of a building, which is a window frame in this example, to ensure visibility from the inside to the outside, to prevent visibility from the outside to the inside, and to block light from entering the room. It is a cover that allows the intake of wind and prevents the entry of light and wind into the room.
The meanings of arrows a, b, e, and f in FIG. 11 are the same as in FIG.

As shown in FIGS. 1 and 11, the blind device 100 includes a head box 1 attached to a window frame, winding drums 21, 25, and 27 provided in the head box 1, and a strip-shaped ladder cord 4 attached to the bottom rail 5 attached to the lower end of the ladder cord 4; a plurality of slats 6 supported between the head box 1 and the bottom rail 5; and a lifting cord (not shown because it is behind the ladder cord 4).

The head box 1 is attached to a window frame via a bracket B, and a blind device 100 is installed on the window frame. Ladder cords 4 and lifting cords behind them hang down from the head box 1 at predetermined intervals in the longitudinal direction (arrow ab direction) at a total of three locations.

The lifting cord 7 is wound around the winding drums 21 , 25 , 27 and let out (hangs down). That is, the rotational power of the motor 26 rotates the winding drums 21, 25, 27 via the shaft 28, and the lifting cord is wound or unwound. When winding the lifting cord, the winding is started after the slats 6 are in the most inclined state with the front side d upward and the rear side c downward. 3, the slats 6 start to be extended after the front side d is at the bottom and the rear side c is at the most inclined state. After the bottom rail 5 is stopped at a desired position, the tilt angle of the slat 6 is appropriately adjusted by appropriately rotating the motor 26 in the reverse rotation direction.

In the blind device of the present embodiment as described above, the head box 1 can be removed from the window frame during periodic maintenance of the motor 26, or when repair or replacement is required due to a failure of the motor 26. Also, the motor 26 can be easily attached and detached without dismantling the inside of the head box 1. - 特許庁

Although the preferred embodiments of the headbox and the solar radiation shielding device of the present invention have been described above, the headbox and the solar radiation shielding device of the present invention are not limited to the configurations of the above embodiments. For example, in the embodiment of the headbox described above, the motor 26 is arranged near the center in the longitudinal direction (arrow ab direction) of the headbox 10, and both sides thereof are connected to the shaft 28 via the couplings 29. However, the motor is arranged in the vicinity of either end in the longitudinal direction (arrow ab direction) of the head box, and is connected to one shaft 28 via one coupling on the side opposite to the end. It doesn't matter if it is.

In the embodiment of the headbox described above, the engagement between the engaging portion of the main body of the headbox and the engaged portion of the motor fixing member includes the engaging portions 11m and 12m and the engaged portion having specific shapes. Although the combination of 33 and 35 is mentioned as an example, the shapes of both are not limited to this. There is no particular limitation as long as the engaging portion of the main body of the head box and the engaged portion of the motor fixing member can be engaged with each other. Preferably, the motor fixing member is slidable in the longitudinal direction of the main body of the headbox.

In the example of the present embodiment, for example, lower clamping pieces 111d and 112d composed of projecting portions 111ds and 112ds and claw portions 111dt and 112dt on the side of the head box main body 10, and a motor fixing mechanism having a shape to engage with the lower clamping pieces 111d and 112d. In the combination of the lower surfaces 33b, 35b and the engaged projections 33p, 35p on the plate 30 side, the engaging portion having a shape without the claw portions 111dt, 112dt and the engaged portion having a shape without a space below the lower surfaces 33b, 35b. It may be a combination with a joint. That is, instead of the lower clamping pieces 111d and 112d, those having the same shape as the upper clamping pieces 111u and 112u are provided, and a rail-shaped engaging portion in which two ribs are opposed to each other and a cube fitted therebetween are provided. It may be a combination with a shaped fitted portion. Even in this case, the motor fixing member can slide in the longitudinal direction of the main body of the headbox while the engaging portion and the engaged portion are engaged.

Further, in the embodiment of the head box described above, a pair of motor fixing plates 30, i.e., two motor fixing plates 30 are arranged. It does not matter if it is more than that, and it does not matter if it is not a plate-like object. For example, the motor may be supported by only one motor fixing member and supported on the main body of the headbox, or one side of the motor in the longitudinal direction of the headbox may be supported by the motor fixing member of the present invention while the other side is supported. The motor may be supported by a member fixed to the main body of the headbox or by a member integrated with the main body of the headbox.

In the embodiment of the headbox described above, the headbox main body 10 having the ribs 11g and 12g and the overhanging portions 11h and 12h and the depression of the motor support portion 32 of the motor fixing plate 30 allow the inside of the headbox main body 10 to Although a mode in which the motor is held by being surrounded from all sides by is mentioned as an example, in the present invention, the method of supporting the motor is not limited to this.

In the present invention, the motor can be supported by various fixing methods such as directly screwing the motor to the motor fixing member, or directly engaging the motor fixing member and the outer shape of the motor to fix the motor. can. In the example of the above-described embodiment, it may be supported by other fixing methods such as screwing.

On the other hand, in the embodiment of the solar radiation shielding device described above, the blind device is taken as an example, but in the present invention, the solar radiation shielding device is not limited to the blind device. Examples of solar shielding devices to which the present invention can be applied include Roman shades, pleated screens, and the like. When the present invention is applied to a Roman shade, a pleated screen, or the like, the slats may be replaced with curtains of the Roman shade or the pleated screen as the shielding material connected to the lifting cord.

In addition, those skilled in the art can appropriately modify the headbox and the solar radiation shielding device of the present invention according to conventionally known knowledge. As long as the configuration of the present invention is still provided even with such modification, it is, of course, included in the scope of the present invention.

1: Headbox, 4: Ladder cord, 5: Bottom rail, 6: Slat (shielding material), 10: Headbox body (main body), 11, 12: Side wall, 11g, 12g: Rib, 11h, 12h: Approach Extending portions 11m, 12m: Engaging portions 111u, 112u: Upper clamping pieces (engaging portions) 111d, 112d: Lower clamping pieces (clamping pieces, engaging portions) 111ds, 112ds: Protruding portions 111dt, 112dt: claw portion, 13: wall portion, 14, 15: lid portion, 21, 25, 27: winding drum, 24: sensor component, 26: motor, 28: shaft, 29: coupling, 30, 30a, 30b : motor fixing plate (motor fixing member), 31: base portion, 32: motor support portion, 33, 35: engaged portion, 33b, 35b: lower surface, 33p, 35p: engaged projection, 34: upper surface, 37 , 39: Mounting portion, 41, 43: Protruding portion, 41c, 43c: Notch portion, 100: Blind device (solar shielding device) B: Bracket, SP: Concave space

Claims (4)

It has two elongated side walls arranged opposite to each other and a wall connecting one long sides of the two side walls, and is arranged opposite to the two side walls along the longitudinal direction. a main body formed with a pair of engaging portions extending respectively;
Engaged portions having a shape that engages with the engaging portion are provided on both sides, the motor is mounted in a concave space formed in a cross section perpendicular to the longitudinal direction of the main body, and is attached across the pair of engaging portions. a supportable motor fixing member ;
An opening for inserting the motor into the concave space from the side opposite to the wall is formed on the side opposite to the wall of the main body,
The head box , wherein the motor fixing member is slidable in the longitudinal direction of the main body while the engaging portion and the engaged portion are firmly engaged to the extent that they are not easily disengaged. 2. The headbox of claim 1 , wherein said motor fixing member comprises two motor fixing plates slidable in the longitudinal direction of said body. The engaging portion is clamped by a protruding portion protruding from one side wall portion toward the other side wall portion facing the other side wall portion, and a claw portion continuing to the tip of the protruding portion and rising toward the wall portion. 3. A headbox as claimed in claim 1 or 2 having strips. a headbox according to any one of claims 1 to 3 , which is installed with the opening side facing downward;
a motor fixed to the main body by the motor fixing member;
an elevating cord attached to the head box and elevating by power of the motor;
a shielding material that is connected to the lifting cord and moves up and down with the lifting and lowering of the lifting cord;
A solar shading device comprising:

Images