JP2018080535A - Screen device and roll screen door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a screen device capable of winding a screen body without causing a side edge of the screen body to be displaced in an axial direction.SOLUTION: A roll screen door as a screen device comprises a guided part 30 formed on a net body 20 wound by a winding shaft 13A, and a guide rail for guiding the guided part 30. The guided part 30 includes a fastener element 31, a fastener tape 32 and an abutting part 33 having a flat abutting surface 33A. The fastener element 31 is arranged in a guide groove of the guide rail. In a wound state in which the net body 20 is wound on the winding shaft 13A to form a spiral cross section, the abutting part 33 is arranged such that the abutting surface 33A abuts a part excluding the fastener element 31 of the guided part 30, which is the part overlapping an orthogonal axial direction B orthogonal to an axial direction A of the winding shaft 13A.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a screen device and a roll screen that can feed and wind a screen.

2. Description of the Related Art Conventionally, there has been known a wind-up type insect screen that is configured such that an insect-proof net can be fed out and wound around a winding shaft (see Patent Document 1).
The insect screen includes a winding box incorporating the winding shaft, a pair of screen guides extending from both ends of the winding box, and small engagement protrusions attached to the left and right side edges of the insect net. The small protrusion for engagement is movable along the screen guide and is engaged with an inner edge of a slit provided in the screen guide in a non-removable state.

Noto 2532730 gazette

  By the way, in the winding type insect screen door described in Patent Literature 1, when the insect net is wound around the winding shaft, the small protrusions for engagement are pressed against each other, so that the winding positions of the left and right end portions of the insect net are aligned. May be misaligned in the axial direction.

  The objective of this invention is providing the screen apparatus and roll screen door which can wind up the said screen main body, without the side edge part of a screen main body shifting in an axial direction.

  The screen device of the present invention includes a winding shaft, a screen body wound around the winding shaft so as to be able to be fed, a guided portion formed on a side edge portion along a feeding direction of the screen body, A guide rail that guides the guided portion along the feeding direction, wherein the guide rail forms a guide groove, and the guided portion includes a retaining portion disposed in the guide groove, and the retaining portion. And a contact portion having a flat contact surface. The contact portion is wound around the winding shaft in a spiral shape in cross section. In the wound state, the contact surface is arranged so as to abut on a portion of the guided portion excluding the retaining portion and overlapping in a direction perpendicular to the axial direction perpendicular to the axial direction of the winding shaft. It is characterized by being.

  According to the screen device of the present invention, when the screen main body is wound around the winding shaft, the guided portion is also wound, and the abutting portion is a portion of the guided portion where the abutting surface overlaps in the direction perpendicular to the axis (extraction). (Excluding the stopper). For this reason, when the screen main body is wound around the winding shaft, it is possible to prevent the retaining portions from being pressed against each other, and the possibility that the winding position of the screen main body is displaced in the axial direction can be eliminated.

In the screen device according to the aspect of the invention, the width dimension between the center positions in the axis orthogonal direction of the guided portion in the winding state may be the axis orthogonal of the portion of the retaining portion disposed between the center positions. It is preferable that the dimension is equal to or larger than the total width dimension in the direction.
According to such a configuration, in the winding state of the screen main body, the width dimension between the center positions in the axis orthogonal direction of the guided portion is the axis orthogonal direction of the portion disposed between the center positions in the retaining portion. Since the width dimensions in the above are not smaller than the total dimension, it is possible to prevent the retaining portions from being pressed against each other.
Further, for example, when the width dimension between the center positions in the axis orthogonal direction of the guided part is larger than the total dimension of the width dimension in the axis orthogonal direction of the portion disposed between the center positions of the retaining portion. Can form an interval between the retaining portions of the guided portion. Thereby, since the retaining portions do not hit each other in the winding state, it is possible to more reliably suppress the retaining portions from being pressed against each other.

In the screen device according to the aspect of the invention, it is preferable that the contact portion is disposed outside the guide groove.
According to such a structure, a guide rail can be reduced in size rather than the case where a contact part is arrange | positioned in a guide groove.

In the screen device according to the aspect of the invention, it is preferable that the contact portion is disposed in the guide groove.
According to such a structure, a simple external appearance can be comprised by accommodating a contact part in a guide groove with the retaining part of a to-be-guided part.

In the screen device of the present invention, the connecting portion is constituted by a fastener tape attached to a side edge portion of the screen main body, and the retaining portion is constituted by a fastener element disposed on an outer edge of the fastener tape. The contact portion is preferably disposed along at least one surface of both surfaces of the fastener tape.
According to such a configuration, even when the fastener element and the fastener tape are used as the guided portion, by providing the contact portion, the fastener elements are pressed against each other in the winding state of the screen main body and misaligned. Can be suppressed.

In the screen device according to the aspect of the invention, it is preferable that the contact portion is formed of a flexible sheet member.
According to such a configuration, when winding the screen body, the sheet member can be bent and wound, and the screen body can be wound with a light force.

  The roll screen door of the present invention includes a winding shaft, a net body wound around the winding shaft so as to be able to be fed, a guided portion formed on a side edge portion along the feeding direction of the net body, A guide rail that guides the guided portion along the feeding direction, wherein the guide rail forms a guide groove, and the guided portion includes a retaining portion disposed in the guide groove, and the retaining portion. And a contact portion having a flat contact surface. The contact portion is wound around the winding shaft in a spiral shape in cross section. In the wound state, the contact surface is arranged so as to abut on a portion of the guided portion excluding the retaining portion and overlapping in a direction perpendicular to the axial direction perpendicular to the axial direction of the winding shaft. It is characterized by being.

  According to the roll screen door of the present invention, it is possible to configure a roll screen door that can exhibit the same effects as the screen device of the present invention described above.

  ADVANTAGE OF THE INVENTION According to this invention, the screen apparatus and roll screen door which can wind up the said screen main body without the side edge part of a screen main body shifting in the axial direction can be provided.

The longitudinal cross-sectional view which shows the roll screen door which concerns on this embodiment. The cross-sectional view which shows the roll screen door which concerns on the said embodiment. The perspective view which shows the net | network and guide rail of the roll screen door which concern on the said embodiment. The perspective view which shows the net | network and winding shaft of the roll screen door which concern on the said embodiment. The schematic diagram which shows the winding state of the principal part of the roll screen door which concerns on the said embodiment. The schematic diagram which shows the principal part of the roll screen door which concerns on the modification of this invention. The schematic diagram which shows the principal part of the roll screen door which concerns on the other modification of this invention. Explanatory drawing which shows the example of creation of the contact part of the roll screen door which concerns on this embodiment.

[Configuration of this embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2, a roll screen door 1 as a screen device according to the present embodiment is attached to a window frame of a window fixed to an outer wall opening of a building. The roll screen door 1 includes a screen door frame 11 (frame body) fixed to a window frame and a net 12 (screen) provided inside the screen door frame 11 so as to be openable to the left and right.

The screen door frame 11 includes a storage case 13, a contact frame 14, an upper rail frame 15, and a lower rail frame 16.
Inside the storage case 13 is provided a winding shaft 13A for fixing the end of the net 12 and winding the net 12, and the winding shaft 13A is urged in the winding direction by a spring (not shown). The net 12 is stored in the storage case 13.

The net 12 is a net main body 20 (screen main body) that is a net material in which warp yarns 21 and weft yarns 22 are plain-woven in a lattice shape, and guided portions formed on upper and lower side edges along the feeding direction of the net main body 20. A portion 30 and a movable rod 24 provided at the front end edge of the net body 20 on the closing direction side are provided.
The wire diameters of the warp yarn 21 and the weft yarn 22 may be set, for example, in the range of 0.05 mm to 0.30 mm, and the opening width of each stitch of the net body 20 is set in the range of 0.5 mm to 1.5 mm. Also good. In such a net body 20, the smaller the wire diameters of the warp 21 and the weft 22, the easier it is to cause wrinkles when twisted. Note that the intersecting portion of the warp 21 and the weft 22 may be fused.

  Each of the upper rail frame 15 and the lower rail frame 16 is provided with a resin guide rail 17 that slides the guided portion 30 of the net 12 to the left and right along the feeding direction. Such a net 12 operates the movable rod 24 toward the left side of FIG. 2, which is the opening direction, to wind the net body 20 on the winding shaft 13 </ b> A and to bring the movable rod 24 into contact with the storage case 13. As a result, the net 12 is opened. On the other hand, the movable rod 24 is operated toward the right side of FIG. 2, which is the closing direction, the net body 20 is pulled out from the storage case 13, and the movable rod 24 is brought into contact with the contact frame 14 to be in the closed state.

As shown in FIG. 1, the guide rail 17 on the upper rail frame 15 side includes a base portion 171 engaged with the upper rail frame 15, two side piece portions 172 suspended from the base portion 171, and two side piece portions. A slit forming piece portion 173 that is continuous to the lower end of the 172 is provided, and a guide groove 17A is formed by the base portion 171, the side piece portion 172, and the slit forming piece portion 173. Between the slit forming piece portions 173, a slit connected to the internal space of the guide groove 17A is formed.
The guide rail 17 on the lower rail frame 16 side is formed in the same manner as the guide rail 17 on the upper rail frame 15 side, and is arranged upside down. For this reason, the side piece portion 172 is raised from the base portion 171, and the slit forming piece portion 173 is continuously arranged on the upper end of the side piece portion 172.

  As shown in FIGS. 3 and 4, the guided portion 30 includes a fastener element 31 as a retaining portion, a fastener tape 32 as a connecting portion connecting the fastener element 31 to the net body 20, and a flat contact surface 33A. And a contact portion 33 having

3 and 4, the fastener element 31 is shown as a continuous shape along the upper and lower side edges of the net body 20. For example, the fastener element 31 is constituted by service teeth arranged along the side edges. May be.
The fastener tape 32 is made of a polyester tape or the like woven in a tape shape, and is connected to upper and lower side edges of the net body 20 by welding or the like. A fastener element 31 is disposed on the outer edge of the fastener tape 32.
In this embodiment, as shown in FIGS. 3 and 4, the contact portion 33 is configured by a rubber sheet as a flexible sheet member that is attached to both surfaces of the fastener tape 32. The rubber hardness of the rubber sheet adopted here is 90 degrees or less of a general soft rubber, for example, 40 to 50 degrees, preferably 45 degrees. The contact portion 33 is disposed at a position separated from the fastener element 31 on both surfaces of the fastener tape 32.

  The fastener element 31 is disposed in the guide groove 17A of the guide rail 17, and the fastener tape 32 is disposed outside the guide groove 17A through the slit between the slit forming piece portion 173 from the guide groove 17A. The abutting portion 33 is disposed outside the guide groove 17A.

  The width dimension of the fastener element 31 in the out-of-plane direction of the net 12 is larger than the width dimension of the slit of the guide rail 17. The dimension (thickness dimension) of the fastener tape 32 in the out-of-plane direction of the net 12 is smaller than the width dimension of the slit of the guide rail 17. The dimension obtained by combining the dimension (thickness dimension) of both contact portions 33 in the out-of-plane direction of the net 12 and the thickness dimension of the fastener tape 32 is equal to or greater than the dimension of the fastener element 31 in the out-of-plane direction of the net 12. In this embodiment, it is larger than the dimension of the fastener element 31. The distance dimension from the fastener element 31 to the contact part 33 is larger than the thickness dimension of the slit forming piece part 173 of the guide rail 17.

[Operation of this embodiment]
Hereinafter, the operation of the roll screen door 1 according to the present embodiment will be described.
When the movable rod 24 is operated to the left side in order to change from the closed state shown in FIG. 2 to the open state, the winding shaft 13A rotates in the winding direction, and the net 12 is wound by the winding shaft 13A. It is stored in. In the winding state in which the net body 20 is wound around the winding shaft 13A in a spiral shape, the contact portion 33 has an axis orthogonal direction B orthogonal to the axial direction A of the winding shaft 13A as shown in FIG. The contact surfaces 33A are in contact with each other so as to overlap (see FIG. 5).

  Here, as shown in FIG. 5, the width dimension W <b> 1 between the center positions C in the axis orthogonal direction B of the guided part 30 in the winding state is a portion disposed between the center positions C in the fastener element 31. This dimension is larger than the total of the width dimension W2 in the axis orthogonal direction B, and is larger than the total of the width dimension W2 in this embodiment. For this reason, the fastener elements 31 do not come into contact with each other in the winding state, and there is no positional deviation in the axial direction A due to the fastener elements 31 pressing against each other. Therefore, it is possible to prevent wrinkles and the like from being generated in the net body 20 due to the positional shift of the fastener elements 31 in the axial direction A.

[Effect of this embodiment]
(1) In the above embodiment, the roll screen door 1 is formed on the winding shaft 13A, the net body 20 wound around the winding shaft 13A so as to be able to be fed, and the side edges along the feeding direction of the net body 20. The guided portion 30 and the guide rail 17 for guiding the guided portion 30 along the feeding direction are provided. The guide rail 17 forms a guide groove 17A, and the guided portion 30 is disposed in the guide groove 17A. The fastener element 31, the fastener tape 32 connecting the fastener element 31 to the net body 20, and the contact part 33 having a flat contact surface 33A. In a winding state wound around the winding shaft 13A in a spiral shape, it is a portion of the guided portion 30 excluding the fastener element 31 and is orthogonal to the axial direction A of the winding shaft 13A. The portion overlapping in the axial orthogonal direction B abutting surface 33A, characterized in that it is the arrangement of contacts.
Due to the above configuration, the guided portion 30 is also wound when the net body 20 is wound around the winding shaft 13A, and the abutting portion 33 has the abutting surface 33A overlapped in the axis orthogonal direction B. (Excluding the fastener element 31), in the present embodiment, the contact surfaces 33A of the contact portion 33 contact each other. For this reason, when the net body 20 is wound around the winding shaft 13A, the fastener elements 31 can be prevented from being pressed against each other, and the winding position of the net body 20 can be prevented from being displaced in the axial direction A. it can.
(2) The width dimension W1 between the center positions C in the axis orthogonal direction B of the guided portion 30 in the winding state is the width dimension in the axis orthogonal direction B of the portion disposed between the center positions C in the fastener element 31. The dimension is larger than the total of W2.
For this reason, a space can be formed between the fastener elements 31 of the guided portion 30 in the winding state of the net body 20. Thereby, since the fastener elements 31 do not hit each other in the winding state, it is possible to more reliably suppress the fastener elements 31 from being pressed against each other.
Here, even if the width dimension W1 is the same as the total of the width dimension W2 in the axis orthogonal direction B of the portion disposed between the center positions C in the fastener element 31, the width dimension W1 is equal to the width dimension W2. Since it is not smaller than the total, it can suppress that the fastener elements 31 are pressed against each other.
(3) The contact portion 33 is disposed outside the guide groove 17A. For this reason, the guide rail 17 can be reduced in size compared with the case where the contact part 33 is arrange | positioned in the guide groove 17A.
(4) A retaining portion that exhibits a retaining function from the guide rail 17 is configured by the fastener element 31, a connecting portion that connects the fastener element 31 to the net body 20 is configured by the fastener tape 32, and the contact portion 33 is It arrange | positions along both surfaces of the fastener tape 32. FIG.
For this reason, even when the fastener element 31 and the fastener tape 32 are used for the guided portion 30 as in the present embodiment, by providing the contact portion 33, the fastener elements 31 can be connected to each other in the wound state of the net body 20. It is possible to suppress displacement due to pressing.
(5) The contact portion 33 is formed of a rubber sheet as a flexible sheet member. For this reason, when winding the net body 20, the contact portion 33 can be bent and wound, and even if the contact portion 33 is provided, the net body 20 can be wound with a light force.

[Modification]
The present invention is not limited to the configuration described in the above embodiment, and modifications within a range in which the object of the present invention can be achieved are included in the present invention.
For example, in the above-described embodiment, the guided portions 30 are configured by pasting the contact portions 33 on both surfaces of the fastener tape 32, but the present invention is not limited thereto.
For example, as shown in FIG. 6A, the contact portion 33 may be configured by increasing the thickness dimension of the fastener tape 32 itself. In this case, the thickness dimension of the part arrange | positioned in the slit between the slit formation piece parts 173 among the fastener tapes 32 is not enlarged, but is left with a small dimension.
Further, as shown in FIG. 6B, the contact portion 33 may be provided only on one surface of the fastener tape 32, and only the other surface of the fastener tape 32 is contacted as shown in FIG. 6C. The part 33 may be provided. In this case, the contact surface 33A of the contact portion 33 contacts the fastener tape 32 in the wound state.

Further, for example, as shown in FIG. 7A, the width dimension W3 in the vertical direction of the contact portion 33 attached to one surface of the fastener tape 32 is a portion excluding the fastener element 31 of the guided portion 30 in the wound state. It may be small as long as it can overlap, for example, may have a dimension of about 1 mm.
Further, in the guided portion 30 shown in FIG. 7A, the abutting portion 33 is disposed outside the guide groove 17A, but is not limited to this, as in the guided portion 30 shown in FIG. The contact portion 33 may be disposed in the guide groove 17A. In this case, a simple appearance can be configured by accommodating the contact portion 33 together with the fastener element 31 of the guided portion 30 in the guide groove 17A. Further, the abutting portion 33 comes into contact with the slit forming piece portion 173, and the retaining function is exhibited by the fastener element 31 receiving the abutting portion 33.

In the above-described embodiment, the contact portion 33 is configured by a rubber sheet. However, the present invention is not limited to this. In addition to the case where the contact portion 33 is configured by a rubber sheet, mohair may be used. Alternatively, a reactive soft resin (such as a silicone sealant) may be used.
As a method for applying a resin material such as a hot melt soft resin or a reactive soft resin to the fastener tape 32, for example, as shown in FIG. 8, the longitudinal direction of the fastener tape 32 while pushing out the resin material in the cartridge 41 from the nozzle 42. There is a method of applying by pulling along. Since the cross-sectional shape of the contact portion 33 corresponds to the shape of the nozzle port of the nozzle 42, the cross-sectional shape of the contact portion 33 can be appropriately set by changing the shape of the nozzle port.

  In the embodiment described above, the guide rail 17 is made of resin, but may be formed of an aluminum extruded profile.

  In the above-described embodiment, the screen body is the net body 20 which is a mesh material in which the warp yarns 21 and the weft yarns 22 are woven in a lattice shape. However, other than this, a face material such as a cloth may be used as the screen body.

  DESCRIPTION OF SYMBOLS 1 ... Roll screen door (screen apparatus), 11 ... Screen door frame, 12 ... Net (screen), 13 ... Storage case, 13A ... Winding shaft, 14 ... Contact frame, 15 ... Upper rail frame, 16 ... Lower rail frame, DESCRIPTION OF SYMBOLS 17 ... Guide rail, 17A ... Guide groove, 20 ... Net main body (screen main body), 21 ... Warp, 22 ... Weft, 24 ... Movable hook, 30 ... Guided part, 31 ... Fastener element (prevention part), 32 ... Fastener tape (connection part), 33 ... contact part, 33A ... contact surface, 171 ... base part, 172 ... side piece part, 173 ... slit forming piece part, A ... axial direction, B ... axis orthogonal direction, C ... Center position, W1 to W3... Width dimension.

Claims (7)

A winding shaft, a screen body wound around the winding shaft so as to be able to be fed, a guided portion formed on a side edge along the feeding direction of the screen body, and the guided portion in the feeding direction And a guide rail for guiding along
The guide rail forms a guide groove;
The guided portion has a retaining portion disposed in the guide groove, a connecting portion connecting the retaining portion to the screen body, and a contact portion having a flat contact surface,
The abutting portion is a portion of the guided portion excluding the retaining portion in a winding state in which the screen body is wound around the winding shaft in a spiral shape, and the shaft of the winding shaft The screen device is characterized in that the contact surface is in contact with a portion that overlaps in a direction orthogonal to the axis. The screen device according to claim 1,
The width dimension between the center positions in the axis orthogonal direction of the guided part in the winding state is equal to or greater than the total width dimension in the axis orthogonal direction of the portion disposed between the center positions of the retaining portion. A screen device characterized by having the dimensions of The screen device according to claim 1 or 2,
The screen device, wherein the contact portion is disposed outside the guide groove. The screen device according to claim 1 or 2,
The abutment portion is disposed in the guide groove. In the screen apparatus as described in any one of Claims 1-4,
The connecting portion is constituted by a fastener tape attached to a side edge portion of the screen body,
The retaining portion is constituted by a fastener element disposed on an outer edge of the fastener tape,
The said contact part is arrange | positioned along at least one surface among the both surfaces of the said fastener tape. The screen apparatus characterized by the above-mentioned. In the screen apparatus as described in any one of Claims 1-5,
The contact portion is formed by a flexible sheet member. A winding shaft, a net body wound around the winding shaft so as to be able to be fed, a guided portion formed on a side edge along the feeding direction of the net body, and the guided portion in the feeding direction And a guide rail for guiding along
The guide rail forms a guide groove;
The guided portion includes a retaining portion disposed in the guide groove, a connecting portion connecting the retaining portion to the net body, and a contact portion having a flat contact surface,
The contact portion is a portion of the guided portion excluding the retaining portion in a winding state in which the net body is wound in a spiral shape on the winding shaft, and the shaft of the winding shaft The roll screen door is characterized in that the abutment surface abuts on a portion overlapping in an axis orthogonal direction perpendicular to the direction.

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