JP6542603B2 - Shutter device - Google Patents

Description

  The present invention relates to a shutter device having a shutter curtain by connecting adjacent slats with a sheet material.

  Some shutter devices constitute a shutter curtain by connecting adjacent slats with a sheet material. In this type of shutter device, the sheet material is provided with a bulging portion, while the slat is provided with an insertion groove and a housing portion. The bulging portion projects from both side surfaces of the sheet material, and is provided at the side edges of the sheet material. The insertion groove of the slat is formed to a width larger than the thickness of the sheet material and smaller than the projecting dimension of the bulging portion. The housing portion of the slat is formed to have a size capable of housing the bulging portion, and is formed inside the insertion groove. In this shutter device, when the sheet material is interposed between the adjacent slats in a state where the bulging portion is housed in the housing portion, the bulging portion is in contact with the opening end of the insertion groove in the housing portion. Therefore, a series of shutter curtains are configured (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 62-169189

  By the way, in the shutter curtain configured as described above, when an excessive force is applied in the direction to expand the distance between the slats, there is a risk that the bulging portion of the sheet material spreads the insertion groove and deviates. . When the shutter curtain is pulled out and the slats are vertically juxtaposed, the weight of the following slats is applied to the contact portion between the bulging portion of the sheet material and the opening end of the insertion groove, so from the outside Even when the applied force is small, the bulging portion of the sheet material may deviate from the insertion groove.

  An object of the present invention is to provide a shutter device capable of preventing a situation in which a connection state of an adjacent slat is easily released in view of the above-mentioned situation.

In order to achieve the above object, a shutter device according to the present invention is a shutter device in which a shutter curtain is configured by connecting adjacent slats by a flexible sheet material, and the edge portion of the sheet material bulges. The protruding portion is formed, and the bulging portion includes a plurality of components, and is disposed along the longitudinal direction of the slat in a state in which a gap is maintained between the plurality of components, An insertion groove having a width larger than the thickness of the sheet material and smaller than the thickness of the bulging portion is formed in the slat, and a storage portion capable of storing the bulging portion inside the insertion groove is formed. In the bulging portion, a hook portion protruding toward the other edge of the sheet material is formed in a portion protruding from the surface of the sheet material in the bulging portion, and the slats are accommodated In addition, while forming the engaging part which protruded toward the bottom face of the said accommodating part from the part located in the both edges of the said insertion groove, while arrange | positioning the said sheet material in the said insertion groove, the said bulging part is said It arrange | positions in an accommodating part, The said engaging part is characterized by being located between the hook parts.

  According to the present invention, the sheet material is disposed in the insertion groove, the bulging portion is disposed in the housing portion, and the respective engaging portions are positioned between the hook portions, so that the mutual spacing between the slats When the force is applied in the direction of expansion, the insertion groove of the slat is not expanded even when the force is applied, and the bulging portion of the sheet material disposed in the accommodation portion does not deviate to the outside. There is no possibility that the connection state of the slat to be released.

  Further, according to the present invention, in the above-described shutter device, at least one of the engagement portion and the hook portion is formed with an inclined surface which gradually inclines toward the inner bottom surface of the accommodation portion as it approaches the insertion groove of the slat. The engaging portion is in contact with the hook portion via the inclined surface.

  According to the present invention, when a force is applied in a direction in which the spacing between the slats is expanded, the slats are elastically deformed such that the width of the insertion groove is narrowed by the action of the inclined surface, and the sheet material bulges. It is possible to more reliably prevent the situation where the section passes through the insertion groove.

  The present invention is characterized in that, in the above-mentioned shutter device, the slat is molded of a resin.

  According to the present invention, it is possible to prevent noise when the slats come in contact with each other, as compared to the case where the slats are formed of metal.

  According to the present invention, since the bulging portion is constituted by a plurality of components, the sheet material can be wound up, so that the handleability of the single component becomes good, and for example, the exclusive area of the process of assembling the shutter curtain There are advantages such as being able to reduce.

  Further, according to the present invention, in the above-described shutter device, an inner protrusion is provided on one edge of the slat on both sides of the insertion groove, while the other edge of the slat is provided The outer protrusions are respectively provided on the both sides of the insertion groove, and when the edges of adjacent slats are brought close to each other, the inner protrusions are positioned between the mutually opposing inner surfaces of the outer protrusions. It is characterized by

  According to the present invention, when the edges of adjacent slats are brought into contact with each other, the inner protrusions are respectively disposed between the opposed inner surfaces of the outer protrusions, so that the slats are vertically aligned. Since the shutter curtain can be extended and the slats can be prevented from being displaced when an external force is applied, there is no possibility of a gap between the slats, which is advantageous for crime prevention.

  According to the present invention, the sheet material is disposed in the insertion groove, the bulging portion is disposed in the housing portion, and the respective engaging portions are positioned between the hook portions, so that the spacing between the slats is increased. When the force is applied in the direction of expansion, the insertion groove of the slat is not expanded even when the force is applied, and the bulging portion of the sheet material disposed in the accommodation portion does not deviate to the outside. There is no possibility that the connection state of the slat to be released.

FIG. 1 shows a shutter device according to an embodiment of the present invention, and is a side view of a state in which a shutter curtain is drawn out with a gap between the slats secured. FIG. 2 is a view of the shutter device in the state shown in FIG. 1 as viewed from the outdoor side. FIG. 3 is a side view of the shutter device shown in FIG. 1 in a state in which the edges of adjacent slats are brought into contact and the shutter curtain is extended. FIG. 4 is a view of the shutter device in the state shown in FIG. 3 as viewed from the outdoor side. FIG. 5 is an enlarged perspective view of a slat and a sheet material applied to the shutter device shown in FIG. FIG. 6 shows a slat and a sheet material applied to the shutter device shown in FIG. 1. (a) is a side view with the slats spaced from each other, and (b) is an edge of the adjacent slats. It is a side view of the state where parts were made to abut. FIG. 7 is an enlarged view of a slat and a sheet material applied to the shutter device shown in FIG. FIG. 8 shows a modification of the shutter device shown in FIG. 1. (a) is a side view in a state in which a space is secured between the slats, and (b) abuts the edge of the adjacent slats FIG.

  Hereinafter, preferred embodiments of a shutter apparatus according to the present invention will be described in detail with reference to the attached drawings.

  1 to 4 show a shutter device according to an embodiment of the present invention. The shutter device illustrated here opens and closes an opening such as a window provided in a building with a shutter curtain 10, and includes a drum 1 for winding the shutter curtain 10 at the upper edge of the opening. The drum 1 is disposed rotatably around an axis along the upper edge of the opening, and is accommodated inside the shutter box 2. Guide rails 3 for guiding the shutter curtain 10 drawn out from the drum 1 are provided at portions on both sides of the opening. The shutter curtain 10 is configured to include a plurality of slats 110 and a sheet member 210 connecting the slats 110 to one another.

  The slat 110 is a resin-molded extruded material and has a substantially uniform cross-sectional shape over the entire length in the longitudinal direction. The slat 110 according to the present embodiment is configured as a long member having a length extending between the left and right guide rails 3, and as shown in FIGS. 5 and 6, the outer wall portion 111 and the inner wall are provided. It has a cross-sectional shape in which the connection rib 113 and the portion 112 are connected.

  The outer wall portion 111 is a portion disposed on the outdoor side when the drum 1 is fed out, and is curved so as to be convex toward the outdoor side. The inward wall portion 112 is a portion disposed on the indoor side when being fed out from the drum 1, and is curved so as to be convex toward the outdoor side. The connection rib 113 connects the indoor side surface of the outer wall portion 111 and the outdoor side surface of the inner wall portion 112, and is substantially parallel to each other between the outer wall portion 111 and the inner wall portion 112. It is provided as follows. The central space 115 surrounded by the outer wall portion 111 and the inner wall portion 112 and the two connecting ribs 113 is a hollow portion opened only at both ends of the slat 110. On the other hand, lateral spaces 116 surrounded by the outer wall portion 111, the inner wall portion 112 and the connecting rib 113 are formed at both side edges of the slat 110, respectively.

  The side space 116 is a hollow portion that opens at both ends of the slat 110 and opens at the edge of the slat 110 as shown in FIGS. 5 to 7, and has a housing portion 116 a and an insertion groove 116 b. . The housing portion 116a is a portion having substantially the same width as the central space 115, and the connection rib 113 is configured to be an inner bottom surface. The insertion groove 116 b is a space formed between the end wall portions 111 a and 112 a protruding in the direction approaching each other from the edge portion of the outer wall portion 111 and the edge portion of the inner wall portion 112. Is formed over the entire length of the

  As is also apparent from the figure, each slat 110 has a pair of internal protrusions 117 at one edge and a pair of external protrusions 118 at the other edge. The internal protrusions 117 project from portions on both sides of the insertion groove 116b in the end wall portions 111a and 112a. The outer protrusions 118 project from the both sides of the insertion groove 116 b so as to extend to the outer wall 111 and the inner wall 112. The inner protrusions 117 are configured such that the distance d1 between the outer surfaces located outside each other is slightly smaller than the distance d2 between the inner surfaces facing each other of the outer protrusions 118, and the distance between the outer protrusions 118 When arranged in the above, each of the outer surfaces of the inner protrusion 117 is in contact with the inner surface of the outer protrusion 118.

  Further, as shown in FIG. 7, on the end wall portions 111a and 112a of the slat 110, engaging portions 111b and 112b are respectively provided at the portions positioned inside the accommodation portion 116a at the projecting end portions. The engaging portions 111b and 112b are portions protruding from the portions of the end wall portions 111a and 112a which are both edges of the insertion groove 116b toward the connecting rib 113 which is the bottom surface of the accommodation portion 116a. In the engaging portions 111 b and 112 b, engaging side inclined surfaces 111 c and 112 c are formed on a portion facing the outer wall portion 111 and a portion facing the inner wall portion 112. The engagement side inclined surfaces 111c and 112c are inclined so as to be close to the insertion groove 116b of the slat 110 and thus to gradually protrude into the accommodation portion 116a.

  On the other hand, the sheet material 210 disposed between the slats 110 is in the form of a flexible mesh having a uniform thickness, and has a length substantially the same as the longitudinal dimension of the slats 110. The thickness of the sheet material 210 is smaller than the insertion groove 116 b of the slat 110. The width of the sheet material 210 is, as shown in FIG. 6B, from the connection rib 113 of one slat 110 to the connection rib 113 of the other slat 110 when the edges of the adjacent slats 110 abut. The dimensions are set slightly shorter than the distance of.

  Each sheet material 210 has a bulging portion 211 at each side edge. As shown in FIGS. 5 and 6, the bulging portion 211 protrudes from both surfaces of the sheet material 210, and is provided along the entire length of the sheet material 210 in the longitudinal direction. The dimension of the bulging portion 211 orthogonal to the surface of the sheet material 210 is set to a value which is larger than the insertion groove 116 b of the slat 110 and can be accommodated in the accommodation portion 116 a of the slat 110. In the present embodiment, the bulging portion 211 is configured by welding the element tape 212 to both side edge portions of the sheet material 210.

  The element tape 212 is a narrow flat material having flexibility similar to the sheet material 210, and is provided with a plurality of elements (components) 213 at one side edge. The elements 213 are metal piece members fixed at positions equidistant from each other along the longitudinal direction of the element tape 212. Each element 213 is integrally formed with a base portion 213a and a hook portion 213b. The base 213 a is a rectangular member projecting from both surfaces of the element tape 212. The projecting dimension of the base portion 213a from the element tape 212 is such that when the sheet material 210 is disposed in the insertion groove of the slat 110, the respective projecting end portions are disposed at positions facing the engaging side inclined surfaces 111c and 112c, respectively. It is set to the value of. The hook portion 213 b is a portion protruding from the protruding end of the base portion 213 a toward the other edge of the sheet material 210. The hook portions 213b are formed such that the distance between the projecting ends is greater than the distance between the projecting ends of the engaging portions 111b and 112b. The hook portion 213b of each of the elements 213 is provided with a hook side inclined surface 213c. The hook side inclined surfaces 213c are inclined such that the distance between them gradually increases as they project from the base 213a toward the element tape 212.

  In order to form the shutter curtain 10 by the slat 110 and the sheet material 210 configured as described above, as shown in FIG. 5, an edge provided with the outer protrusion 118 and an edge provided with the inner protrusion 117. Two slats 110 facing each other, and inserting the bulging portion 211 from the end of each slat 110 into each accommodation portion 116a, and inserting the sheet material 210 into each insertion groove 116b good. According to this shutter curtain 10, when a force is applied in the direction in which the mutual spacing between the slats 110 is expanded, as shown in FIG. 7, the projecting end portions of the engaging portions 111b and 112b are between the hook portions 213b. Since it is positioned, the hook side inclined surface 213 c provided in the bulging portion 211 is in a state of being in pressure contact with the engagement side inclined surfaces 111 c and 112 c of the slat 110. As a result, due to the action of these inclined surfaces 213c, 111c, 112c, as shown by the solid line in FIG. 7, the slat 110 in which the width of the insertion groove 116b is narrowed is elastically deformed, and the bulging of the sheet material 210 There is no risk of the part 211 passing through the insertion groove 116b.

  Therefore, as shown in FIG. 6A, even when the shutter curtain 10 is drawn out with the slats 110 separated from each other, there is no possibility that the connection state of the adjacent slats 110 is easily released. As shown in FIG. 1 and FIG. 2, it is possible to ventilate the outside and the room through the sheet material 210 exposed between the slats 110, and it is also possible to introduce external light into the room.

  On the other hand, as shown in (b) of FIG. 6, when the edges of the slats 110 are brought into contact with each other by bringing the seat plate 11 of the shutter curtain 10 into contact with the lower frame 5, The sheet material 210 is accommodated, and the internal projection 117 is fitted between the external projections 118. Therefore, the shutter curtain 10 can be extended in a state where the slats 110 are vertically aligned, and a positional deviation of the slats 110 when an external force is applied is prevented, and a gap may be generated between the slats 110. It will be lost and it will be advantageous for crime prevention.

  In the embodiment described above, the slats 110 are provided with the engagement-side inclined surfaces 111c and 112c, and the bulging portion 211 of the sheet material 210 is provided with the hook-side inclined surfaces 213c. The slats 110 are elastically deformed such that the width of the insertion groove 116b is narrowed by pressing the engagement side inclined surfaces 111c and 112c and the hook side inclined surface 213c to each other when a force is applied to the The present invention is not necessarily limited to this, and when the inclined surface is provided on either one of the slat 110 and the bulging portion 211, the same function and effect can be obtained.

  In addition, even when the slat 110 and the bulging portion 211 are not provided with inclined surfaces, it is possible to maintain the connection state of the slat 110. For example, in the modified example shown in FIG. 8, when the force to expand the mutual spacing of the slats 110 is applied, the engaging portions 111 b and 112 b provided in the accommodating portion 116 a of the slats 110 are It is made to be located between hook parts 213b. That is, the engaging portions 111b and 112b formed in the slat 110 in the modified example project from the projecting end portions of the end wall portions 111a and 112a substantially at right angles toward the accommodating portion 116a. The hook portion 213 b provided in the bulging portion 211 of the sheet material 210 protrudes substantially at right angles from the base portion 213 a in a direction opposite to the sheet material 210. In the modification of FIG. 8, about the structure similar to embodiment, the same code | symbol is attached | subjected and each detailed description is abbreviate | omitted.

  Also in the modified example configured as described above, the movement of the engaging portions 111b and 112b of the slats 110 is expanded by the hook portions 213b of the bulging portions 211 so that the distance between the slats 110 increases. When the force is applied to the slat 110, the insertion groove 116b of the slat 110 is not expanded, and the bulging portion 211 of the sheet material 210 disposed in the housing portion 116a does not deviate outside. There is no possibility that the connection state of the adjacent slats 110 is released.

  The sheet material 210 is not necessarily limited to one having a mesh shape. Of course, a sheet material having other functions such as heat insulation and sound insulation may be applied.

  Moreover, when the bulging part 211 is comprised by the some element 213, since the sheet material 210 can be wound up and the handling property of components itself becomes favorable, the exclusive area of the process of assembling the shutter curtain 10, for example There are advantages such as being able to reduce However, as the bulging portion 211, one that is continuous along the longitudinal direction of the sheet material 210 may be applied. Moreover, when the bulging part 211 is comprised by the several element 213, the elements 213 do not necessarily need to be arrange | positioned at equal intervals, and the clearance gap between each other may be non-uniform. In addition, although the bulging part 211 is provided in the sheet material 210 via the element tape 212, you may provide a bulging part in a sheet material directly.

  Furthermore, since the slats 110 are formed of a resin, noise can be suppressed when they come in contact with each other, but the slats 110 may be formed of a metal.

  Furthermore, when the edges of adjacent slats 110 are brought into contact with each other, internal protrusions provided at the other edge of slat 110 between external protrusions 118 provided at one edge of slat 110 Although 117 is made to fit, the present invention is not necessarily limited to this, and it is sufficient to position an internal projection between the external projections.

  DESCRIPTION OF SYMBOLS 10 shutter curtain, 110 slat, 111b, 112b engagement part, 111c, 112c engagement side inclined surface, 113 connection rib, 116a accommodation part, 116b insertion groove, 117 internal protrusion part, 118 external protrusion part, 210 sheet material, 211 Bulged part, 213 element, 213b hook part, 213c hook side sloped surface

Claims (4)

In a shutter device comprising a shutter curtain by connecting adjacent slats with a flexible sheet material,
Forming a bulging portion at the edge of the sheet material;
The bulging portion includes a plurality of components, and the bulging portion is configured to be disposed along the longitudinal direction of the slat in a state where a gap is maintained between the plurality of components.
An insertion groove having a width larger than the thickness of the sheet material and smaller than the thickness of the bulging portion is formed in the slat, and a storage portion capable of storing the bulging portion inside the insertion groove is formed. Form
A hook portion protruding toward the other edge of the sheet material is formed in a portion of the bulging portion that protrudes beyond the surface of the sheet material,
The housing portion of the slat is formed with an engaging portion which protrudes from the portions located on both edges of the insertion groove toward the bottom surface of the housing portion, respectively.
A shutter device characterized in that the sheet material is disposed in the insertion groove, the bulging portion is disposed in the housing portion, and the engaging portion is positioned between the hook portions.   At least one of the engaging portion and the hook portion is formed with an inclined surface which gradually inclines toward the inner bottom surface of the accommodating portion as it approaches the insertion groove of the slat, and the hook portion is formed via the inclined surface The shutter device according to claim 1, wherein the engaging portion abuts on the shutter.   The shutter device according to claim 1, wherein the slat is molded of a resin.   Internal protrusions are provided on one edge of the slat on both sides of the insertion groove, and on the other edge of the slat on both sides of the insertion groove. The apparatus according to claim 1, characterized in that each of the outer protrusions is provided, and the inner protrusions are positioned between the mutually opposing inner surfaces of the outer protrusions when the edges of adjacent slats are brought close to each other. Shutter device.