JP2020002680A - Shading device - Google Patents

Abstract

To provide a vertical blind in which front and rear surfaces of a slat can be unified with the same fabric surface.SOLUTION: In a vertical blind in which a balance weight 7 is attached to a lower end 3a of each of a plurality of slats 3 suspended from and supported by a hanger rail 1, the slat 3 includes a fabric element 15 which has a front fabric surface 15a with a front pattern form 12a and a rear fabric surface 15b with a rear pattern form 12b, a slat front surface 11a is formed of the front fabric surface 15a in a front lower surface region 13a in which the balance weight 7 is disposed and a front main region 14a located above the front lower surface region 13a, and a slat rear surface 11b is formed of the rear fabric surface 15b in a rear lower region 13b in which the balance weight 7 is disposed and a rear main region 14b located above the rear lower region 13b.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a shielding device in which a weight member is attached to a lower end portion of a shielding material supported by a support member, and the weight member is covered with a cloth element constituting the shielding material.

  In a vertical blind, which is one of the shielding devices, a slat as a shielding material is movably and rotatably supported by a runner that moves along a hanger rail as a supporting member. Then, the slats can be moved along the hanger rail by operating the operation device, and by turning each slat to a desired angle, it is possible to appropriately block or take in external light. A balance weight as a weight member is attached to the lower end of each slat, and each slat is suspended in a state where it is stretched into a flat plate shape by the load of the balance weight. The balance weight is covered with a cloth at the lower end of the slat as in Patent Document 1.

JP-A-10-184242

  Each slat has a slat front surface and a slat back surface. Each slat has a long fabric element as a main component. The fabric element also includes a front fabric surface and a back fabric surface that constitute the front and back surfaces, and the front fabric surface is provided with a pattern, and the back fabric surface is provided with a back pattern. The lower end of the fabric element is a mounting portion for mounting the balance weight, and the mounting portion covers the outer surface and the outer back surface of the balance weight. Specifically, the attachment portion of the fabric element extends from the upper side to the lower side on the outer surface of the balance weight, is folded toward the outer back side below the balance weight, and extends from the lower side to the upper side on the outer back side. Thereafter, the balance weight is folded downward to be sandwiched between the front half and the back half constituting the balance weight and fixed to the balance weight. Therefore, although the surface of the slat is unified with the design, the back main region above the balance weight is the design on the back surface of the slat, and the lower back region where the balance weight is arranged becomes the design. That is, on the slat back surface, the back main region is constituted by the back fabric surface, and the lower back region is constituted by the front fabric surface.

  Such a problem also applies to a roll screen in which a screen as a shielding material is suspended so as to be wound around a support member. That is, the roll screen is provided with a weight bar as a weight member attached to the lower end of the screen. The weight bar is inserted into a cylindrical portion formed by sewing the lower end of the screen with a bag. Therefore, although the screen surface is unified with the pattern, on the back surface of the screen, the back main area above the weight bar is the back pattern, and the lower back area where the weight bar is arranged becomes the pattern. That is, on the back surface of the screen, the back main region is formed of the back fabric surface, and the lower back region is formed of the front fabric surface.

  The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide a shielding device in which the front and back surfaces of a shielding material are unified with the same fabric surface to improve the appearance. is there.

  A shielding device for solving the above-mentioned problem is a shielding device in which a weight member is attached to each lower end of a shielding material supported by a support member, wherein the shielding material includes a cloth element, and a surface of the shielding material is provided. And each fabric surface that is the back surface has a separate pattern, and each shielding material surface that is the front surface and the back surface of the shielding material has the same fabric surface in the region where the weight member is arranged and the region other than the region. Prepare.

  In the above shielding device, one of the front surface and the back surface of the shielding material is a first lower region in which the weight member is disposed and a first main region located above the first lower region. The region is constituted by a first fabric surface having both first patterns, and the other second shielding material surface is a second lower region in which the weight member is arranged and a second lower region located above the second lower region. The main region may be constituted by a second fabric surface having a second pattern.

  In the above-mentioned shielding device, the cloth element includes an attachment portion that constitutes an area where the weight member is arranged on each shielding material surface, and the attachment portion includes a first one of a front surface and a back surface of the weight member. A first extending portion extending to the outer surface; and a second extending portion extending to the other second outer surface, wherein the second extending portion is a lower edge of the first extending portion. The pieces turned upside down may be peeled off from each other.

  In the above shielding device, the weight member includes a first half having the first outer surface, and a second half having the second outer surface, and the mounting portion includes the second extending portion. A fixed portion may be provided continuously and sandwiched between the first half and the second half.

In the shielding device, the second extending portion may be sewn to an upper edge portion of the first extending portion to form a cylindrical portion into which the weight member is inserted. .
In the above-described shielding device, the cloth element includes an attachment portion that constitutes an area on each of the shielding member surfaces where the weight member is arranged, the weight member includes a first half having a first outer surface, and a second half. A second half having an outer surface, wherein the mounting portion is provided with a first extending portion extending to the first outer surface, and the first half is folded with respect to the first extending portion. A first fixing portion sandwiched between the first fixing portion and the second half; a second extending portion that is folded back to the first fixing portion and extends to the second outer surface; A second fixing portion that is folded back and sandwiched between the first half and the second half together with the first fixing portion may be provided.

In the shielding device, the weight member may include a hinge portion above the first half and the second half.
In the above shielding device, the weight member may include a hinge portion below the first half and the second half.

  In the above shielding device, it is preferable that the shielding member is a plurality of vertical slats suspended from the support member, and the weight member is a balance weight attached to a lower end of each of the slats.

  In the above-mentioned shielding device, it is preferred that the shielding member is a screen, which is suspended so as to be windable with respect to the support member, and wherein the weight member is a weight bar.

  ADVANTAGE OF THE INVENTION According to this invention, the shielding apparatus which improved the beauty | look of a shielding material can be provided.

(A) is a front view of a vertical blind in the first embodiment, (b) is a front view showing a slat surface, and (c) is a rear view showing a slat back surface. (A) is a perspective view of the fabric element constituting the slat as viewed from the front fabric side, (b) is a perspective view of the fabric element in a state where the cut pieces are not bag-stitched, viewed from the back fabric side, ( (c) is a perspective view of the fabric element in a state where the cut pieces are peeled from each other, and (d) is a view of the fabric element in a state where the cut pieces are peeled from each other. Perspective view. FIG. 4 is a perspective view showing a balance weight used in the first embodiment, in which a front half and a back half are open. The perspective view which looked at the state where the cloth element is attached to the balance weight used in a 1st embodiment from the back. (A) is a perspective view of the fabric element viewed from the back fabric side according to the second embodiment, and (b) is a cylinder as a mounting part of the balance element to the fabric element according to the second embodiment. FIG. 3C is a perspective view showing a state immediately before forming the tubular portion, and FIG. 4C is a perspective view showing a state in which a balance weight is inserted into the tubular portion. (A) is a perspective view of a fabric element used in the third embodiment as viewed from the back fabric side, and (b) is a balance weight used in the third embodiment, which is a front half and a back half. FIG. The perspective view showing the state where the cloth element is attached to the balance weight used in the third embodiment. The perspective view showing the state where the cloth element is attached to the balance weight used in the fourth embodiment. It is a balance weight used by 5th Embodiment, Comprising: The perspective view which shows the state which the front half and the back half opened. The perspective view showing the state where the cloth element is attached to the balance weight used in the fifth embodiment. The perspective view which looked at the roll screen in a 6th embodiment from the surface side. (A) is a perspective view of the fabric element viewed from the back fabric side according to the sixth embodiment, and (b) is a cylinder as a weight bar attachment portion of the fabric element according to the sixth embodiment. FIG. 3C is a perspective view showing a state immediately before forming the tubular portion as viewed from the back cloth surface side, and FIG. 4C is a perspective view showing a state in which a weight bar is inserted into the tubular portion.

Hereinafter, a vertical blind to which the present invention is applied will be described with reference to the drawings.
[First Embodiment]
As shown in FIG. 1A, a vertical blind as a shielding device has a plurality of runners 2 supported in a hanger rail 1 as a support member so as to be movable along a longitudinal direction of the hanger rail 1. From 2, a vertical slat 3 as a shielding material is hung. Each slat 3 is attached rotatably with the direction in which it hangs as a rotation axis.

  An operation cord 4 and a tilt pole 5 are hung from one end of the hanger rail 1 in the longitudinal direction. When the drive shaft 6 in the hanger rail 1 is rotated based on the operation of the operation code 4, the leading runner 2a moves in the hanger rail 1. Then, the subsequent runner 2 moves sequentially with the movement of the leading runner 2a. The pull-out operation and the folding operation of each slat 3 are performed according to the moving direction. Further, based on the rotation operation of the tilt pole 5, an angle adjusting shaft (not shown) in the hanger rail 1 is rotated, and the respective slats 3 are adjusted in phase with the gear mechanism in each runner.

  Each slat 3 has a long rectangular shape and includes a runner 2 connected to an upper end. Each slat 3 has a balance weight 7 as a weight member attached to the lower end 3a. Each balance weight 7 is connected by a bottom cord 8. Thereby, even when the slat 3 moves, the swing of the slat 3 is suppressed.

  Each slat 3 has a slat surface 11a as a first shielding material surface (first slat surface) and a slat back surface 11b as a second shielding material surface (second slat surface). A slat surface 11a is provided with a first pattern (character "A" in the figure) 12a as a first pattern, and a slat back surface 11b is a second pattern (character "B" in the figure) as a second pattern. ) 12b. As shown in FIG. 1 (b), the slat surface 11a has a table lower region 13a as a first lower region in which the balance weight 7 is arranged, and a table as a first main region located above the table lower region 13a. And a main region 14a. The lower table area 13a and the main table area 14a are unified with the pattern 12a.

  As shown in FIG. 1C, the slat back surface 11b has a back lower region 13b as a second lower region in which the balance weight 7 is arranged, and a back main region as a second main region located above the back lower region 13b. And a main region 14b. The back lower area 13b and the back main area 14b are unified with the back pattern 12b.

  The surface pattern 12a and the back pattern 12b are formed of patterns such as alphabets such as "A" and "B", numbers, hiragana, katakana, kanji, symbols, and other characters, characters, lines, figures, and the like. Further, the surface pattern 12a and the back pattern 12b are formed of such patterns or colors or a combination thereof. The slat front surface 11a and the slat back surface 11b are different in color or pattern depending on the pattern constituted by such elements.

  Each slat 3 is constituted by a long fabric element 15. The fabric element 15 is a woven fabric, a knitted fabric, a nonwoven fabric, or the like. The fabric element 15 is a woven fabric, a knitted fabric, a nonwoven fabric, or the like impregnated with a resin. The fabric element 15 impregnated with the resin is less likely to loosen the fibers and wrinkle by soft resin being impregnated with the resin. In addition, expansion and contraction of the fabric can be suppressed, whereby a fabric having excellent flatness or flatness and excellent shape stability can be obtained. Further, it is also possible to add flameproofing performance by weaving a flameproofing agent into the fabric element 15 impregnated with resin. The fabric element 15 may be plain or have a pattern. Further, the cloth element 15 may be a lace cloth or a cloth with embroidery.

  The fabric element 15 includes a front fabric surface 15a (see FIG. 2A) as a first fabric surface and a back fabric surface 15b (see FIG. 2B) as a second fabric surface. The above-mentioned pattern (character "A" in the figure) 12a is provided on the front cloth surface 15a, and the back pattern (character "B" in the figure) 12b is provided on the back cloth surface 15b. I have. The fabric element 15 includes a main portion 16 having a front main region 14a and a back main region 14b, and an attachment portion 17 for the balance weight 7 provided continuously below the main portion 16.

  The mounting portion 17 includes a first extending portion 18a extending to an outer surface 7a as a first outer surface of the balance weight 7, and a second extending portion extending to an outer back surface 7b as a second outer surface of the balance weight 7. And an existing portion 18b. Further, a fixing portion 18c for fixing the balance weight 7 to the second extending portion 18b is provided.

  The first extending portion 18a has the same shape and the same size as the outer surface 7a. The first extending portion 18a is a portion in which the design 12a faces outward with respect to the outer surface 7a, and constitutes the lower surface region 13a of the slat surface 11a. The first extending portion 18 a is a region that is continuous below the main portion 16.

  As shown in FIG. 2B, the second extending portion 18b and the fixing portion 18c are formed by cutting pieces 19 obtained by cutting the lower edge region of the first extending portion 18a. As shown in FIGS. 2C and 2D, the cut piece 19 is turned upside down with respect to the first extension 18a and sewn to the first extension 18a by peeling. In other words, the lower edge of the first extending portion 18a and the upper edge of the inverted cut piece 19 are overlapped to provide a seam allowance 19a, and the seam 19a is sewn together to be connected in series. When the seam allowance 19a is attached to the balance weight 7, the seam allowance 19a is located inside the folded portion at the hinge portion 22 of the balance weight 7, and is not exposed.

  The second extending portion 18b has the same shape and the same size as the outer back surface 7b. The second extending portion 18b is a portion in which the back handle 12b faces outward with respect to the outer back surface 7b, and constitutes a lower back region 13b of the slat back surface 11b. The fixing portion 18c is a region sandwiched between the halves constituting the balance weight 7, and has a size that can be reliably fixed between the halves. That is, when the fabric element 15 is viewed from the outer fabric surface 15a side, the first extending portion 18a is provided with the same pattern 12a as the main portion 16 (front main region 14a), and the second extending portion 18b and The back part 12b is provided on the fixing part 18c (see FIG. 2C).

  As shown in FIG. 3, the balance weight 7 has a rectangular plate shape as a whole, and includes a front half 21a as a first half, a back half 21b as a second half, and a hinge 22. The front half 21 a and the back half 21 b, which form a pair, are integrated via a hinge portion 22. The front half body 21a and the back half body 21b are bent by the hinge part 22 so as to abut each other with the fixing part 18c interposed therebetween. The front half 21a and the back half 21b have a rectangular shape having substantially the same shape and size. The dimension of the balance weight 7 in the longitudinal direction substantially matches the dimension of the slat 3 in the width direction. The front half 21a has an outer surface 7a as a first surface, and the back half 21b has an outer back surface 7b as a second outer surface. A weight plate 23 such as an iron plate is provided on the inner surface of the front half body 21a. The weight plate 23 may be arranged on the inner surface of the back half 21b, or may be arranged on each inner surface of the front half 21a and the back half 21b. The hinge portion 22 connects the front half 21a and the back half 21b at a lower edge. The hinge portion 22 is configured to be thinner than the front half 21a and the back half 21b.

  In addition, the front half 21a is provided with a protruding piece 23a at two corners formed by an upper long side and two short sides adjacent to the long side. The back half 21b is provided with a protruding piece 23b that is paired with the protruding piece 23a at two corners formed by an upper long side and two short sides adjacent to the long side. The projecting piece 23b has an engaging hole 23c with which the projecting piece 23a is engaged. The front half 21a and the back half 21b are maintained in a state in which the protrusions 23a and the engagement holes 23c are engaged with each other. At the same position as the projecting piece 23b, there is further provided a retaining piece 23d to which the bottom cord 8 is hooked. The latch piece 23d has a latch hole 23e. The bottom cord 8 is locked in the latch hole 23e. Further, the bottom cord 8 is locked in the latch hole 23e via a ring member.

  The inner surface of the back half 21b has a plurality of locking projections 24. The locking projection 24 has a sharp shape, and locks the fixing portion 18c when sandwiching the fixing portion 18c, so that the balance weight 7 does not easily fall off the mounting portion 17. The locking projection 24 may be provided on the inner surface of the front half 21a. In the front half 21a, an insertion port 25 through which the attachment portion 17 is inserted is provided at a position along the upper long side. Further, a leading portion 26 from which the mounting portion 17 is led out in a state where the front half 21a and the back half 21b abut against each other is formed at the upper edges of the front half 21a and the back half 21b.

  The balance weight 7 configured as described above is attached to the attachment portion 17 of the fabric element 15 as follows. As shown in FIG. 4, first, the balance weight 7 causes the front half 21 a and the back half 21 b to be in a V-shaped half-open state with the hinge portion 22 on the lower side. Then, the insertion end of the mounting portion 17, that is, the distal end portion 17a of the fixing portion 18c is introduced from the opening end (between the front half body 21a and the back half body 21b) serving as the upper lead-out portion 26 (i in FIG. 4). reference). Then, the distal end portion 17a is led out to the outer surface 7a of the front half body 21a through the insertion opening 25. Thereafter, the distal end portion 17a is guided downward from above the outer surface 7a, and is folded upward from below the outer back surface 7b of the back half 21b at the hinge portion 22 (see ii in FIG. 4). ). At this time, the seam allowance 19a is located inside the bent portion and is not exposed to the outside.

  Then, the distal end portion 17a is folded downward at an opening end serving as the upper lead-out portion 26 of the back half 21b (see iii in FIG. 4). Thereby, the first extending portion 18a extends to the outer surface 7a of the front half 21a such that the pattern 12a faces outward. The second extending portion 18b extends to the outer back surface 7b of the back half 21b such that the back handle 12b faces outward. Then, the fixing portion 18c is sandwiched between the front half body 21a and the back half body 21b. Thereafter, the front half 21a and the back half 21b in the half-open state are closed and joined. As a result, the balance weight 7 is covered by the mounting portion 17 of the fabric element 15 at the lower end 3a of the slat 3.

The first embodiment of the vertical blind as described above can obtain the following effects.
(1-1) In the slat surface 11a of the slat 3, the lower surface region 13a and the main surface region 14a are unified with the upper cloth surface 15a of the cloth element 15, and the lower slat back surface 11b has the lower back region 13b and the main back region 14b. It is unified by the back cloth surface 15b. That is, in the slat surface 11a, the lower surface region 13a and the main surface region 14a are unified with the pattern 12a, and in the slat back surface 11b, the lower back region 13b and the main back region 14b are unified with the back pattern 12b. Therefore, when the slat 3 is viewed from the back side, the design can be improved in the same manner as when viewed from the front side.

  (1-2) A state in which the balance weight 7 is covered with the fabric element 15 by sandwiching the fixing portion 18c continuous to the second extending portion 18b between the front half 21a and the back half 21b of the balance weight 7. Thus, the fabric element 15 can be fixed between the front half 21a and the back half 21b.

  (1-3) The second extending portion 18b and the fixing portion 18c constituted by the cut pieces 19 can be easily formed by cutting the first extending portion 18a, turning over, and sewing the first extending portion 18a. Can be provided.

The vertical blind of the first embodiment can be further modified and implemented as follows, for example.
The balance weight 7 is not limited to the configuration shown in FIG. For example, the front half 21a and the back half 21b are not connected in series by the hinge portion 22, and may be separate bodies. In this case, the front half 21a and the back half 21b are connected by a separate hinge member. In such a case as well, the first extending portion 18a, the second extending portion 18b, and the fixing portion 18c of the mounting portion 17 are formed by connecting the front half 21a and the rear half 21b of FIG. Are wound in the same procedure as in the case of the balance weight 7 (see FIG. 4). Then, the front half 21a and the back half 21b are joined while being sandwiched between the fixing portions 18c. Further, the balance weight 7 does not have a hinge portion, and may be configured by the front half 21a and the back half 21b which are separate plate members.

[Second embodiment]
As shown in FIGS. 5A and 5B, the fabric element 15 of the second embodiment does not include the fixing portion 18c in the attachment portion 17 of the fabric element 15 in the first embodiment. That is, the cutting piece 19 only forms the second extending portion 18b. Then, at the seam allowance 19a, which is the boundary between the first extending portion 18a and the second extending portion 18b, the second extending portion 18b is folded back so that its lower edge 27 faces upward, and the lower edge 27 is sewn on the boundary between the first extending portion 18a and the main portion 16. The lower edge 27 may include a seam allowance for the boundary. As shown in FIG. 5C, thereby, the attachment portion 17 forms a tubular portion 28 by the first extension portion 18a and the second extension portion 18b. The balance weight 7 is attached to the cylindrical portion 28 so as to be covered by being inserted into the cylindrical portion 28.

In the second embodiment of the vertical blind as described above, the following effects can be obtained.
(2-1) The cut piece 19 does not require the fixing portion 18c in the first embodiment. Therefore, since the fabric element 15 only needs to be configured with the second extending portion 18b, the amount of use per slat 3 can be reduced.

The vertical blind of the second embodiment can be further modified and implemented as described below, for example.
The balance weight 7 does not have to be divided into the front half 21a and the back half 21b. For example, the balance weight 7 is built in a housing corresponding to the front half 21a and the back half 21b. You may.

[Third embodiment]
The fabric element 15 used in the third embodiment has a mounting portion for mounting to the balance weight as follows. As shown in FIG. 6A, the mounting portion 31 does not include the cutting piece 19, and includes a first extending portion 32a, a first fixing portion 32b, a second extending portion 32c, and a second fixing portion 32c. 32d. The attachment portion 31 is not connected from the main portion 16 to the attachment portion 31 but is a series and is formed of one piece of cloth.

  The first extending portion 32a is a portion extending to the outer surface 41a of the balance weight 41, and has the same shape and the same size as the outer surface 41a. The first extending portion 32a is a portion in which the design 12a faces outward with respect to the outer surface 41a, and constitutes the lower surface region 13a of the slat surface 11a. The first extending portion 32 a is a region that is continuous below the main portion 16.

  The first fixing portion 32b is a portion that is continuous with the first extending portion 32a, and is located between the front half and the back half of the balance weight 41 and is sandwiched between the front half and the back half. It is. The second extending portion 32c is a portion extending to the outer back surface 41b of the balance weight 41, and has the same shape and the same size as the outer back surface 41b. The second extending portion 32c is a portion in which the back handle 12b faces outward with respect to the outer back surface 41b, and constitutes the lower back region 13b of the slat back surface 11b. The second fixing portion 32d is a portion sandwiched between the front half and the back half of the balance weight 41 together with the first fixing portion 32b, and has a size that can be securely fixed between the front half and the back half. Have.

  As shown in FIG. 6B, the balance weight 41 includes a front half 42 a as a first half, a back half 42 b as a second half, and a hinge 43, and forms a pair. The half body 42 a and the back half body 42 b are integrated via a hinge 43. The front half 42a and the back half 42b are bent by the hinge 43 so as to abut each other while sandwiching the first fixing portion 32b and the second fixing portion 32d. The front half 42a has an outer surface 41a as a first outer surface, and the back half 42b has an outer back surface 41b as a second outer surface. The inner surface of the front half 42a is provided with a weight plate 44 such as an iron plate. The weight plate 44 may be arranged on the inner surface of the back half 42b, or may be arranged on each inner surface of the front half 42a and the back half 42b. The hinge part 43 connects the front half body 42a and the back half body 42b at the upper edge.

  The front half body 42a includes a projection 45a serving as an engagement portion at two corners formed by a lower long side and two short sides adjacent to the long side. The back half 42b has an engagement hole as an engaged portion with which the protruding piece 45a is engaged with two corners formed by a lower long side and two short sides adjacent to the long side. 45b. The front half body 42a and the back half body 42b are maintained in a state where they are abutted with each other by the engagement of the projection 45a and the engagement hole 45b.

  The front half 42a and the back half 42b are hooked so that the bottom cord 8 is hooked on two corners formed by the upper long side near the hinge 43 and two short sides adjacent to the long side. There is provided a latch piece 46a that forms a stopper. Each latch piece 46a has a latch hole 46b. The bottom cord 8 is locked in the latch hole 46b. Further, the bottom cord 8 is locked in the latch hole 46b via a ring member.

  The inner surface of the back half 42b is provided with a plurality of locking projections 47. The locking projection 47 has a sharpened shape, and locks the first fixed portion 32b and the second fixed portion 32d when sandwiching the first fixed portion 32b and the second fixed portion 32d, thereby providing a balance weight. 41 makes it difficult for the mounting portion 31 to fall off. Note that the locking projection 47 may be provided on the inner surface of the front half body 42a.

  In the front half 42a, a front insertion opening 48a is provided at a position along the upper long side as a first insertion opening through which the mounting portion 31 is inserted. In the back half 42b, a back insertion opening 48b as a second insertion opening through which the mounting portion 31 is inserted is provided at a position along the upper long side. Further, an intermediate through hole 49 as a third through hole is provided at the position of the hinge portion 43, that is, in the middle of the front through hole 48a and the back through hole 48b. Further, a lower portion of the front half 42a and the rear half 42b is provided with a lead-out portion 49a from which the mounting portion 31 is drawn out in a state where the front half 42a and the back half 42b are abutted.

  The balance weight 41 configured as described above is attached to the attachment portion 31 of the fabric element 15 as follows. As shown in FIG. 7, first, the balance weight 41 places the front half body 42 a and the back half body 42 b in a chevron-shaped half-open state with the hinge portion 43 facing upward. Then, the distal end portion 31a of the second fixing portion 32d is introduced from the intermediate insertion opening 49. Immediately thereafter, the distal end portion 31a is led out to the outer surface 41a of the front half 42a through the front insertion opening 48a of the front half 42a, and is guided from the upper side to the lower side of the outer surface 41a (see i in FIG. 7). . Thereafter, the distal end portion 31a is folded back to the inner surface of the front half body 42a at the lower edge of the front half body 42a (see ii in FIG. 7), guided upward from the lower side, and led out from the back insertion opening 48b ( (See iii in FIG. 7). Next, the tip portion 31a is folded back to the outer back surface 41b of the back half body 42b at the hinge portion 22, and is guided from the upper side to the lower side. Then, the distal end portion 31a is folded back to the inner surface of the back half 42b at the lower edge of the back half 42b, and is guided upward from below (see iv in FIG. 7). Thereby, the first extending portion 32a extends to the outer surface 41a of the front half 42a such that the pattern 12a faces outward. The second extending portion 32c extends on the outer back surface 41b of the back half 42b such that the back handle 12b faces outward. Then, the first fixing portion 32b and the second fixing portion 32d are sandwiched between the front half 42a and the back half 42b. Thereafter, the front half 42a and the back half 42b in the half-open state are closed and joined. As a result, the balance weight 41 is covered by the attachment portion 31 of the fabric element 15 at the lower end 3 a of the slat 3.

The third embodiment of the vertical blind as described above can obtain the effects listed below.
(3-1) The fabric element 15 does not need to be cut to form the mounting portion 31, and the cut piece 19 is cut as in the first embodiment and the second embodiment, and the work of bag sewing is omitted. Can be.

  (3-2) The balance weight 41 can be covered with the mounting portion 31 and mounted by simply inserting the mounting portion 31 through the insertion openings 48a, 48b, and 49 and turning the mounting portion 31 back a plurality of times.

[Fourth embodiment]
As shown in FIG. 8, the fourth embodiment is a modification of the balance weight 41 of the third embodiment. The balance weight 41 omits the back insertion opening 48b, and instead widens the intermediate insertion opening 49 so that the mounting portion 31 can be inserted into the intermediate insertion opening 49 twice.

  The balance weight 41 configured as described above is attached to the attachment portion 31 of the fabric element 15 as follows. First, the balance weight 41 places the front half 42a and the back half 42b in a chevron-shaped half-open state with the hinge portion 43 facing upward. Then, the distal end portion 31a of the second fixing portion 32d is introduced from the intermediate insertion opening 49. Immediately thereafter, the distal end portion 31a is led out to the outer surface 41a of the front half body 42a through the front insertion opening 48a of the front half body 42a, and is guided from the upper side to the lower side of the outer surface 7a (see i in FIG. 8). . Thereafter, the distal end portion 31a is folded back at the lower edge of the front half body 42a to the inner surface of the front half body 42a (see ii in FIG. 8), guided upward from the lower side, led out of the intermediate insertion port 49, and It is guided from the upper side to the lower side of the back surface 41b (see iii in FIG. 8). Next, the tip portion 31a is folded back from the upper side to the lower side of the back half 42b. Then, the front end portion 31a is folded back at the lower edge of the back half 42b toward the inner surface of the back half 42b, and is guided upward from below (see iv in FIG. 8).

The fourth embodiment of the vertical blind as described above can obtain the following effects.
(4-1) In the balance weight 41, the back insertion opening 48b of the back half 42b can be omitted, and the configuration can be simplified.

The vertical blinds of the third and fourth embodiments can be further modified and implemented as follows, for example.
The balance weight 41 is not limited to the configuration shown in FIG. 6B, FIG. 7 and FIG. For example, the front half body 42a and the back half body 42b are not connected in series by the hinge part 43 and may be separate bodies. In this case, the front half body 42a and the back half body 42b are connected by separate hinge members. In such a case as well, the first extended portion 32a, the first fixed portion 32b, the second extended portion 32c, and the second fixed portion 32d of the mounting portion 31 are formed by the front half 42a and the back half 42b. The balance weight 41 connected in series by the hinge portion 43 is wound in the same procedure as in the case of the balance weight 41 (see FIGS. 7 and 8). Then, the front half body 42a and the back half body 42b are joined while being sandwiched between the first fixing part 32b and the second fixing part 32d.

  Further, the balance weight 7 does not have a hinge portion, and may be configured by the front half 21a and the back half 21b which are separate plate members. In this case, the intermediate insertion port 49 is not present, and the space between the upper edge of the front half 42a and the upper edge of the rear half 42b has the function of the intermediate insertion port 49.

[Fifth Embodiment]
The fifth embodiment is a modification of the balance weight 41 of the third and fourth embodiments. As shown in FIG. 9, in the fifth embodiment, the same mounting portion 31 (see FIG. 6A) of the fabric element 15 as in the fourth embodiment is used.

  The balance weight 51 includes a front half 52a as a first half, a back half 52b as a second half, and a hinge 53, and a pair of the front half 52a and the back half 52b is formed. They are integrated via a hinge 53. The front half 52a and the back half 52b are bent by the hinge 53 so as to abut each other while sandwiching the first fixing portion 32b and the second fixing portion 32d. The front half 52a has an outer surface 51a as a first outer surface, and the back half 52b has an outer back surface 51b as a second outer surface. The inner surface of the front half 52a is provided with a weight plate 54 such as an iron plate. The weight plate 54 may be arranged on the inner surface of the back half 52b, or may be arranged on each inner surface of the front half 52a and the back half 42b. The hinge 53 is connected at the lower edges of the front half 52a and the back half 52b.

  In addition, the front half body 52a has a projection 55a serving as an engaging portion at two corners formed by a long side on the upper side opposite to the hinge 53 and two short sides adjacent to the long side. Have. The back half 52b is provided with a protruding piece 55b paired with the protruding piece 55a at two corners formed by an upper long side and two short sides adjacent to the long side. The projecting piece 55b has an engaging hole 55c with which the projecting piece 55a is engaged. By engaging the projection 55a and the engagement hole 55c, the front half 21a and the back half 21b are maintained in a state where they abut against each other. At the same position as the protruding piece 55b, there is further provided a locking piece 55d on which the bottom cord 8 is hooked. The latch piece 55d has a latch hole 55e. The bottom cord 8 is locked in the latch hole 55e. Further, the bottom cord 8 is locked in the latch hole 55e via a ring member.

  A plurality of locking projections 57 are provided on the inner surface of the back half 52b. The locking projection 57 has a sharpened shape, and is locked by the first fixing portion 32b and the second fixing portion 32d when sandwiching the first fixing portion 32b and the second fixing portion 32d, so that the balance weight 51 is held. It is difficult for the mounting portion 31 to fall off. The locking projection 57 may be provided on the inner surface of the front half body 52a.

  In the front half 52a, a front insertion opening 58 through which the mounting portion 31 is inserted is provided at a position along the upper long side. Further, an intermediate insertion port 59 is provided at the position of the hinge portion 53. Further, a leading portion 59a from which the mounting portion 31 is led out in a state where the front half 52a and the back half 52b are abutted is formed at the upper edge of the front half 52a and the back half 52b.

  The balance weight 51 configured as described above is attached to the attachment portion 31 of the fabric element 15 as follows. As shown in FIG. 10, first, the balance weight 51 places the front half body 52 a and the back half body 52 b in a V-shaped half-open state with the hinge portion 53 facing upward. Then, the insertion end of the attachment portion 31, that is, the distal end portion 31a of the second fixing portion 32d is introduced from the opening end (between the front half body 52a and the back half body 52b) serving as the upper lead-out portion 59a (FIG. 10 i). Immediately thereafter, the distal end portion 31a is led out to the outer surface 51a of the front half 52a through the front insertion opening 58 of the front half 52a, and is guided from the upper side to the lower side of the outer surface 51a (see i in FIG. 10). . Thereafter, the distal end portion 31a is introduced into the intermediate insertion opening 59 at the lower edge of the front half body 42a, is turned back to the inner surface of the front half body 52a (see ii in FIG. 10), and is guided upward from below. Then, the upper half of the back half 52b is folded back to the outer back surface 41b of the back half 42b (see iii in FIG. 10), and is guided from the upper side to the lower side. Then, by being inserted into the intermediate insertion opening 59, the distal end portion 31a is folded back to the inner surface of the back half 42b, and is guided upward from below (see iv in FIG. 10). Thereby, the first extending portion 32a extends to the outer surface 51a of the front half body 52a such that the pattern 12a faces outward. The second extending portion 32c extends to the outer back surface 51b of the back half 52b such that the back handle 12b faces outward. Then, the first fixing portion 32b and the second fixing portion 32d overlap and are sandwiched between the front half 52a and the back half 52b. Thereafter, the front half 42a and the back half 42b in the half-open state are closed and joined. Thereby, the balance weight 51 is covered by the attachment portion 31 of the fabric element 15 at the lower end 3a of the slat 3.

The fifth embodiment of the vertical blind as described above can obtain the following effects.
(5-1) The fabric element 15 does not need to be cut to form the mounting portion 31, and does not need to cut the pieces 19 and sew the bag as in the first and second embodiments. it can.

  (5-2) The balance weight 51 can be covered with the mounting portion 31 and mounted by simply inserting the mounting portion 31 into the insertion openings 58 and 59 of the balance weight 51 and turning the mounting portion 31 back a plurality of times.

The vertical blind of the fifth embodiment can be further modified and implemented as described below, for example.
The balance weight 51 is not limited to the configuration shown in FIGS. For example, the front half 52a and the back half 52b are not connected in series by the hinge 53, and may be separate bodies. Also in this case, the first extending portion 32a, the first fixing portion 32b, the second extending portion 32c, and the second fixing portion 32d of the mounting portion 31 are formed by the front half 42a and the back half 42b having a hinge portion. The balance weights 51 connected in series at 53 are wound in the same procedure as in the case of the balance weights 51 (see FIGS. 9 and 10). Then, the front half body 52a and the back half body 52b are joined while being sandwiched between the first fixing part 32b and the second fixing part 32d.

[Sixth embodiment]
The sixth embodiment is an example in which a shielding device is applied to a roll screen. As shown in FIGS. 11 and 12A to 12C, the roll screen 61 is suspended so that the screen 62 can be wound around a mounting frame (not shown) as a support member. The mounting frame is fixed to an upper frame of a window or the like via two brackets (not shown) provided on the upper part thereof, and side brackets (not shown) extending downward are respectively attached to both ends of the mounting frame. ing. A take-up shaft (not shown) is rotatably disposed between both side brackets, and the upper end of the screen 62 is fixed to the take-up shaft. A winding device (not shown) that winds the screen 62 around the winding shaft is provided inside the winding shaft. A weight bar 63 as a weight member is attached to a lower end of the screen 62. The weight bar 63 is inserted into a tubular portion 64 as a mounting portion provided at a lower end of the screen 62.

  When the operation of keeping the screen 62 pulled downward is performed, the screen 62 is rewound from the winding shaft, and at the same time, a spring motor built in the winding device accumulates the urging force. Thereafter, when the pulling force of the screen 62 is released, the lock of the winding device is activated, and the lowering of the screen 62 is stopped in a state of being unwound from the winding shaft. On the other hand, when the screen 62 is pulled downward and the operation for releasing the pulling force is performed immediately thereafter, the lock of the winding device is released, and the winding shaft rotates according to the biasing force of the spring motor, whereby the screen is rotated. 62 is slowly wound around the winding shaft. Thereafter, while the screen 62 is being slowly wound on the winding shaft, the screen 62 is pulled downward, and immediately after that, when the operation of releasing the pulling force is performed again, the lock of the winding device is operated again. The screen 62 stops rising while being wound on the winding shaft.

  The screen 62 includes a screen surface 62a as a first shielding material surface (first screen surface) and a screen back surface 62b as a second shielding material surface (second screen surface). The screen surface 62a is provided with a first pattern (character "A" in the figure) 68a as a first pattern, and the screen back surface 62b is provided with a second pattern (character "B" in the figure) as a second pattern. ) 68b. The screen surface 62a includes a front lower region 71a as a first lower region where the weight bar 63 is arranged, and a front main region 72a as a first main region located above the lower front region 71a. The lower table area 71a and the main table area 72a are unified with a pattern 68a. The screen back surface 62b includes a back lower region 71b as a second lower region in which the weight bar 63 is arranged, and a back main region 72b as a second main region located above the back lower region 71b. The lower back area 71b and the back main area 72b are unified with a back pattern 68b.

  The fabric element 70 constituting the screen 62 has a front fabric surface 70a as a first fabric surface and a back fabric surface 70b as a second fabric surface. The above-mentioned pattern (character "A" in the figure) 68a is provided on the front cloth surface 70a, and the back pattern (character "B" in the figure) 68b is provided on the back cloth surface 70b. I have. As shown in FIG. 12A, the fabric element 70 includes a main portion 75 having a front main region 72 a and a back main region 72 b, and a mounting portion for a weight bar 63 provided continuously below the main portion 75. 76.

  Here, as shown in FIG. 12C, the weight bar 63 includes a hollow rod-shaped bar main body 65 made of an extruded aluminum material. The bar main body 65 has an elliptical vertical cross-sectional shape, and a side surface portion in the circumferential direction is formed of an arc-shaped surface. The front surface of the roll screen 61 is located in the room, and the front surface of the bar body 65 forms an outer surface 66 as a first outer surface. Further, the rear surface of the roll screen 61 is located outside the area, and the rear surface of the bar body 65 forms an outer rear surface 67 as a second outer surface. Further, caps 65 a are attached to both ends of the bar main body 65.

  The attachment portion 76 to which the weight bar 63 is attached includes a first extension portion 78a extending on the outer surface 66 of the weight bar 63, and a second extension portion 78b extending on the outer back surface 67 of the weight bar 63. ing.

  The first extending portion 78a has the same shape and the same size as the outer surface 66. The first extending portion 78a is a portion in which the pattern 68a faces outward with respect to the outer surface 66, and constitutes the lower surface region 71a of the screen surface 62a. The first extending portion 78a is a region that is continuous below the main portion 75.

  The second extending portion 78b is constituted by a cut piece 79 obtained by cutting a region of a lower edge portion of the first extending portion 78a. The cut piece 79 is turned upside down with respect to the first extending portion 78a, and is sewn to the first extending portion 78a by peeling. In other words, the lower edge of the first extending portion 78a and the upper edge of the inverted cut piece 79 are overlapped to provide a seam allowance 79a, and the seam 79a is sewn together to be connected in series. When the seam allowance 79a is attached to the weight bar 63, the seam allowance 79a is located at the bottom of the weight bar 63 inside the folded portion and is not exposed.

  The second extending portion 78b has the same shape and the same size as the outer back surface 67. The second extending portion 78b is a portion in which the back handle 68b faces outward with respect to the outer back surface 67, and constitutes a lower back region 71b of the screen back surface 62b. As shown in FIG. 12B, the second extending portion 78b is folded so that its lower edge 80 faces upward, and the lower edge 80 is a boundary between the first extending portion 78a and the main portion 75. Sewn to the part. The lower edge 80 may include a seam allowance for the boundary. As shown in FIG. 12C, thereby, the mounting portion 76 forms the cylindrical portion 64 by the first extending portion 78a and the second extending portion 78b. The weight bar 63 is attached so as to be covered by the cylindrical portion 64 by being inserted into the cylindrical portion 64. Thereafter, caps 65a are attached to both ends of the weight bar 63.

The sixth embodiment of the roll screen as described above can obtain the following effects.
(6-1) In the screen surface 62a of the screen 62, the lower front area 71a and the upper main area 72a are unified with the upper cloth surface 70a of the cloth element 70. It is unified by the back cloth surface 70b. That is, the lower surface region 71a and the main main region 72a of the screen front surface 62a are unified with the pattern 68a, and the lower rear surface region 71b and the main back region 72b of the screen back surface 62b are unified with the reverse design 68b. Therefore, the design can be improved when the screen 62 is viewed from the back side, similarly to when viewed from the front side.

The roll screen according to the sixth embodiment can be further modified and implemented as described below, for example.
The operating tool support device may be attached to the weight bar 63 via the tubular portion 64. In this case, the operation tool support device and the weight bar 63 are attached to substantially the center in the longitudinal direction.

  DESCRIPTION OF SYMBOLS 1 ... Hanger rail, 2 ... Runner, 2a ... Top runner, 3 ... Slat, 3a ... Lower end part, 4 ... Operation code, 5 ... Tilt pole, 6 ... Drive shaft, 7 ... Balance weight, 7a ... Outer surface, 7b ... Outer back surface, 8 bottom cord, 11a slat front surface, 11b slat back surface, 12a surface pattern, 12b back pattern, 13a lower front area, 13b lower back area, 14a front main area, 14b back main area Area, 15: Fabric element, 15a: Front fabric surface, 15b: Back fabric surface, 16: Main portion, 17: Mounting portion, 17a: Tip portion, 18a: First extension portion, 18b: Second extension portion, 18c: fixed part, 19: cut piece, 19a: sewing allowance, 21a: front half, 21b: back half, 22: hinge part, 23: weight plate, 23a: protruding piece, 23b: protruding piece, 23c: engagement Hole, 23d: latch piece, 23e: latch , 24: locking projection, 25: insertion opening, 26: lead-out portion, 27: lower edge portion, 28: tubular portion, 31: mounting portion, 31a: distal end portion, 32a: first extending portion, 32b: first 1 fixed portion, 32c: second extending portion, 32d: second fixed portion, 41: balance weight, 41a: outer surface, 41b: outer back surface, 42a: front half, 42b: back half, 43: hinge portion 44, weight plate, 45a, projecting piece, 45b, engaging hole, 46a, retaining piece, 46b, retaining hole, 47, locking projection, 48a, front insertion opening, 48b, back insertion opening, 49, middle Insertion port, 49a ... Deriving section, 51 ... Balance weight, 51a ... Outside surface, 51b ... Outside back face, 52a ... Top half body, 52b ... Back half body, 53 ... Hinge section, 54 ... Weight plate, 55a ... Protrusion piece, 55b: projecting piece, 55c: engaging hole, 55d: latching piece, 55e: latching 57, locking projections, 58, front insertion opening, 59, middle insertion opening, 59a, lead-out portion, 61, roll screen, 62, screen, 62a, screen surface, 62b, screen back surface, 63, weight bar, 64, Cylindrical part, 65: bar body, 65a: cap, 66: outer surface, 67: outer back surface, 68a: surface pattern, 68b: back handle, 70: fabric element, 70a: front fabric surface, 70b: back fabric surface, 71a: lower front area, 71b: lower rear area, 72a: front main area, 72b: rear main area, 75: main section, 76: mounting section, 78a: first extending section, 78b: second extending section, 79: cut piece, 79a: seam allowance, 80: lower edge.

Claims (10)

In a shielding device having a weight member attached to each lower end of the shielding material supported by the support member,
The shielding material includes a fabric element,
Each fabric surface that is the front surface and the back surface of the shielding material includes a separate pattern,
A shielding device, wherein each shielding material surface, which is a front surface and a back surface of the shielding material, has the same fabric surface in a region where the weight member is arranged and a region other than the region. One of the first shielding material surface of the front surface and the back surface of the shielding material has a first lower region in which the weight member is disposed and a first main region located above the first lower region. It is composed of a first fabric surface having a handle,
The other second shielding material surface is constituted by a second lower surface region in which the weight member is arranged and a second main surface located above the second lower region, both of which have a second fabric surface having a second pattern. The shielding device according to claim 1. The cloth element includes an attachment portion that forms an area where the weight member is disposed on each shielding material surface,
The mounting portion includes a first extending portion extending to a first outer surface of one of a front surface and a rear surface of the weight member, and a second extending portion extending to the other second outer surface. ,
The shielding device according to claim 1, wherein the second extension portion is configured by peeling a piece turned upside down with respect to a lower edge portion of the first extension portion. The weight member includes a first half having the first outer surface, and a second half having the second outer surface.
The shielding device according to claim 3, wherein the attachment portion is configured to be continuous with the second extension portion, and includes a fixing portion sandwiched between the first half and the second half. The shielding device according to claim 3, wherein the second extending portion is sewn to an upper edge portion of the first extending portion, and a cylindrical portion into which the weight member is inserted is configured. The cloth element includes an attachment portion that forms an area where the weight member is disposed on each shielding material surface,
The weight member includes a first half having a first outer surface, and a second half having a second outer surface,
A first extending portion extending to the first outer surface, a first extending portion folded back with respect to the first extending portion and sandwiched between the first half and the second half; A fixing portion, a second extension portion folded back to the first fixing portion and extending to the second outer surface, and a second extension portion folded back to the second extension portion together with the first fixing portion. The shielding device according to claim 1, further comprising a second fixing portion sandwiched between the first half and the second half. The shielding device according to claim 6, wherein the weight member includes a hinge portion above the first half and the second half. The shielding device according to claim 6, wherein the weight member includes a hinge portion below the first half and the second half. The shielding material is a plurality of vertical slats suspended and supported from the support member,
The shielding device according to any one of claims 1 to 8, wherein the weight member is a balance weight attached to a lower end of each of the vertical slats. The shielding material is a screen, which is suspended so as to be wound up with respect to the support member,
The shielding device according to claim 5, wherein the weight member is a weight bar.

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