JP6715157B2 - External blind device - Google Patents

Description

The present invention relates to an external blind device that includes a plurality of slats arranged in parallel in the up-down direction and that is arranged on the outdoor side of a shoji screen.

As an external blind device of this type, in order to ensure airtightness between slats arranged in a vertical position, the slats are brought into contact with each other via an airtight material. The airtight material is an elastic member made of resin, and if it is provided at a position where sunlight is directly irradiated, it is likely to be deteriorated early due to the influence of ultraviolet rays. For this reason, conventionally, there is also provided a device in which an airtight material is provided on the upper surface of the edge portion on the indoor side of the slat in a horizontal position so as to solve the above-mentioned problem (for example, see Patent Document 1). ..

JP 2001-12163 A

However, in the above-described external blind device, when the slats are in the vertical position, a part of the airtight material is exposed to the outside of the room, and therefore it is not always preferable in consideration of designability.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an external blind device capable of preventing a situation in which an airtight material is deteriorated early without impairing its design.

In order to achieve the above object, the external blind device according to the present invention includes a plurality of slats arranged side by side in the vertical direction, and when each of the slats is arranged in a horizontal posture, a gap is formed between the upper and lower slats. On the other hand, it is possible to secure the external blind device in which the upper and lower slats come into contact with each other via the airtight material when the respective slats are arranged in the vertical position, and the slats are in the horizontal position. A lower edge component portion that protrudes downward is provided at an edge portion that is an outdoor side when arranged, and the lower edge component portion opens downward when the slat is arranged in a horizontal posture. The accommodation groove is provided and the airtight member extends in the accommodation groove so as to bend downward toward the room after protruding downward from the opening, and is located outside the opening of the accommodation groove. The portion is provided with a protruding piece protruding below the lower end of the airtight member .

According to the present invention, since the lower edge component portion is located outside the airtight member outside the airtight member, the airtight member is exposed to the outside regardless of whether the slats are arranged in the horizontal position or the vertical position. Therefore, there is no possibility that the design of the external blind device is impaired and the airtight material is deteriorated at an early stage.

According to the present invention, when the slat is arranged in the horizontal position, the accommodation groove opens downward, so that the work of mounting the airtight material in the accommodation groove can be easily performed.

The present invention is also the above-mentioned external blind device, wherein the slats are supported so that a mutual spacing can be changed, and the lower edge component is directed downward when the slats are arranged in the sideways posture. The slat accommodating groove, which is provided so as to be gradually inclined toward the outside of the room and is arranged above, has an opening at a position corresponding to the upper end of the lower edge component part with respect to the slat arranged below It is provided in.

According to the present invention, when the slats are stacked on each other in a horizontal position, the airtight material is interposed between the slats, and it is possible to prevent a tapping sound from occurring.

The present invention is also the above-described external blind device, wherein the slat has an edge portion that is on the indoor side when the slat is disposed in the lateral posture, and the slat protrudes downward from the lower edge component portion and then faces upward. It is characterized in that an upper edge component portion extending all over is provided.

According to this invention, when the slat is arranged in a horizontal position, the upper edge component is arranged below the airtight member, so that the airtight member is not exposed to the indoor side, and the designability from the indoor side is improved. There is no risk of damage.

Further, in the above-described external blind device according to the present invention, the upper edge constituent portion comes into contact with the airtight material of the slats arranged below when the slats are arranged in the vertical posture from the indoor side. The contact strip is provided as described above.

According to this invention, when the slats are arranged in the vertical position, the contact strips come into contact with the airtight material extending upward from the indoor side, so that the contact area between the slats and the airtight material is reduced. You will be able to secure more.

According to the present invention, since the lower edge component portion is located outside the airtight member outside the airtight member, the airtight member is exposed to the outside of the door regardless of whether the slats are arranged in the horizontal position or the vertical position. Therefore, there is no possibility that the design of the external blind device is impaired and the airtight material is deteriorated at an early stage.

FIG. 1 is a vertical cross-sectional view of a fitting provided with an external blind device according to an embodiment of the present invention. FIG. 2 is an enlarged cross-sectional view of a main part of the fitting shown in FIG. 3A and 3B show a state in which a slat applied to the exterior blind device of the fitting shown in FIG. 1 is in a lateral posture, FIG. 3A is a cross-sectional view, and FIG. 3B is an enlarged view in which main parts are disassembled. FIG. 4 conceptually shows the operation of the external blind device to which the slats shown in FIG. 3 are applied. FIG. 4A is a view showing a state where the slats are stacked in a horizontal position, and FIG. FIG. 6 is a view showing a state in which a gap is secured, FIG. 6(c) is a view showing a state of being rotated about an axis pin, and FIG. FIG. 5 shows a modified example of the slat, (a) is a cross-sectional view in a lateral orientation, and (b) is an enlarged view of a disassembled main part. FIG. 6 conceptually shows the operation of the external blind device to which the slats shown in FIG. 5 are applied. FIG. 6A is a diagram showing a state in which the slats are stacked in a horizontal position, and FIG. FIG. 6 is a view showing a state in which a gap is secured, FIG. 6(c) is a view showing a state of being rotated about an axis pin, and FIG.

Hereinafter, preferred embodiments of an external blind device according to the present invention will be described in detail with reference to the accompanying drawings.
1 and 2 show a fitting provided with an external blind device according to an embodiment of the present invention. The fitting illustrated here is configured to include a window device 10 that opens and closes an opening S provided in the outer wall B of the house and the skeleton, and an external blind device 20 that is provided outside the window device 10. It was done. The fitting according to the present embodiment is configured so that the left and right sides are symmetrical with each other, and therefore only one is shown in the cross-sectional view of FIG.

As the window device 10, although not shown in the drawing, for example, a so-called sliding window in which two shoji screens are slidably supported in the left-right direction with respect to the window frame 11 is applied. The window frame body 11 is configured by forming an upper window frame 11A, a lower window frame 11B, and left and right vertical window frames 11C into four frames. Each of the window frames 11A, 11B, and 11C constituting the window frame body 11 is an extruded shape member formed of a metal such as an aluminum alloy or a resin, and has a substantially uniform cross-sectional shape over the entire length in the longitudinal direction. There is. The two shoji screens (not shown) are slidably arranged between the guide rails 11Aa provided on the upper window frame 11A and the guide rails 11Ba provided on the lower window frame 11B. Note that the window device 10 to be applied is not necessarily limited to the sliding window, and may be a fitting window, a sliding window, or the like.

Hereinafter, the external blind device 20, which is a characteristic part of the present invention, will be described in detail. In this description, terms such as the prospective direction and the finding direction are used for convenience. The prospective direction is a direction along the depth of the fitting, as indicated by an arrow A in the figure. A surface along the prospective direction may be referred to as a prospective surface. In the case of a member that extends horizontally such as the upper window frame 11A and the lower window frame 11B, the finding direction is a direction that extends along the up and down direction orthogonal to the prospective direction, and along the up and down direction such as the vertical window frame 11C. In the case of a member, it is the direction along the horizontal that is orthogonal to the prospective direction. A plane along the finding direction may be referred to as a finding surface.

The external blind device 20 includes a frame body 21, left and right rail members 22, a blind portion 23, and a drive mechanism portion 24. The frame body 21 is configured by connecting an upper frame 21B, an intermediate frame 21C, and a lower frame 21D in order from above between the left and right vertical frames 21A so as to bridge them. As is clear from FIG. 1, the intermediate frame 21C and the upper frame 21B of the frame body 21 are arranged at a position higher than the upper window frame 11A of the window frame body 11, and the lower frame 21D of the frame body 21. Is arranged at a position below the lower window frame 11B of the window frame 11. The vertical frame 21A of the frame body 21 is arranged on the outer peripheral side of the vertical window frame 11C of the window frame body 11. The projecting dimension of the frame body 21 from the outer wall B of the house is set larger than that of each of the window frames 11A, 11B, 11C of the window frame body 11. That is, the frame body 21 of the external blind device 20 is attached to the outer wall B of the house so as to surround the window frame body 11 by the intermediate frame 21C, the left and right vertical frames 21A, and the lower frame 21D.

Each of the left and right rail members 22 has a rectangular tubular shape, and has a guide slot 22a along the longitudinal direction on one side wall. These rail members 22 are attached to the found surface of the vertical frame 21A that faces the outside of the room with the guide slots 22a extending vertically and facing each other. As is clear from FIG. 2, the mutual distance between the rail members 22 is set to be slightly smaller than the mutual distance between the left and right vertical window frames 11C.

The blind portion 23 is configured by arranging a plurality of slats 30 side by side in the vertical direction, and is arranged between the left and right rail members 22. An operating member 33 is attached to both ends of each slat 30 via a reinforcing member 31 and a shaft pin 32. The operation member 33 is disposed inside the rail member 22 via the guide slot 22a, is rotatable about the shaft pin 32, and is a slide which is rotatably mounted on the shaft pin 32. The guide 34 can move up and down along the guide slot 22a.

More specifically, although not explicitly shown in the figure, the operation members 33 located above and below are, for example, two connecting belts whose portions on both sides of the shaft pin 32 are flexible. They are connected to each other by (not shown). The two connecting belts (not shown) have the same length and define the mutual spacing between the operation members 33 located above and below, in other words, the mutual spacing between the slats 30 located above and below. It is a thing. When the uppermost slat 30 is rotated about the shaft pin 32 in a state in which the respective slats 30 are arranged in a lateral posture described later, one connecting belt (not shown) moves upward, while the other connecting belt (not shown) moves upward. The connecting belt (not shown) moves downward. As a result, all the slats 30 arranged after the second one rotate in the same direction by the same angle in cooperation with the uppermost slats 30.

An elevating chain (not shown) is connected to the lowest slat 30 via an operating member 33. When the lowermost slat 30 is moved upward through a lifting chain (not shown), the connecting belt (not shown) is appropriately bent to abut the slat 30 located second from the bottom, The lower slat 30 and the second slat 30 from the bottom move upward. After that, it is possible to sequentially move upward from the slat 30 located below and move all the slats 30 upward. When the lowermost slat 30 is moved downward from this state, the uppermost slat 30 stops when the connecting belt (not shown) is fully extended, and only the second and subsequent slats 30 from the upper side move downward. To continue. After that, the downward movement of the slats 30 located above is sequentially stopped, and finally all the slats 30 are placed at equal intervals. It should be noted that the configuration regarding the rotation and the vertical movement of the slat 30 described above is provided for the purpose of illustration, and is not necessarily limited to this.

The drive mechanism section 24 operates an elevating chain (not shown) and the uppermost slat 30 by driving an electric motor, and controls the rotational posture and the vertical position of the slat 30 via an operating member 33. The drive mechanism section 24 is arranged in a housing section 25 provided above the upper end of the rail member 22. The accommodating portion 25 is configured by disposing the cover member 26, the first shielding member 27, and the second shielding member 28 between the upper ends of the rail members 22. The cover member 26 includes an upper plate portion 26a extending from an edge portion located on the outdoor side of the upper frame 21B toward the outside gradually downward, and a downward direction from an extending end edge portion of the upper plate portion 26a. And a front plate portion 26b extending in a vertical direction. The cover member 26 is attached in a state in which the front plate portion 26b covers the found surface of the rail member 22 that faces the outside of the room. A partition fin portion 26c is provided so as to project from the portion corresponding to the upper end of the rail member 22 in the room so as to extend substantially horizontally on the surface of the front plate portion 26b facing the room. The first shield member 27 includes a bottom plate portion 27a extending between the upper ends of the rail members 22 so as to be substantially horizontal, and an upper shield extending downward from an edge portion of the bottom plate portion 27a located on the indoor side. It has a plate portion 27b. The first shield member 27 is attached with the bottom plate portion 27a positioned on an extension of the partition fin portion 26c and the upper shield plate portion 27b positioned between the blind portion 23 and the window device 10. The second shielding member 28 is a plate-shaped member that extends downward from the lower end of the upper shielding plate portion 27b. The lower end edge of the second shielding member 28 is arranged close to the edge of the intermediate frame 21C located outside the room.

FIG. 3 shows a slat 30 applied to the blind portion 23 described above. The slat 30 is an extruded shape member formed of a metal such as an aluminum alloy or a resin, and has a substantially uniform cross-sectional shape over the entire length in the longitudinal direction. In the present embodiment, the slat 30 in which the main plate portion 30a, the lower edge constituent portion 30b and the upper edge constituent portion 30c are integrally molded is illustrated. Regarding the configuration of the slat 30 described below, as shown in FIG. 3, for convenience, the main plate portion 30a extends horizontally, and the lower edge component portion 30b and the upper edge component portion 30c respectively project downward from the main plate portion 30a. The up, down, left, and right directions are defined with reference to the posture to be performed (hereinafter, referred to as a horizontal posture).

The main plate portion 30a is a rectangular portion having a longitudinal dimension that can be arranged between the rail members 22 and having a width smaller than the dimension along the prospective direction of the rail member 22. The lower edge component portion 30b is inclined and extended downwardly from the edge portion located on the left side in the lateral direction of the main plate portion 30a so as to be gradually leftward, and has a housing groove 30d and a protruding piece 30e. There is. The accommodation groove 30d is configured by providing a cylindrical member 30f having an opening on a part of a peripheral wall in a portion located on the indoor side. As shown in (b) of FIG. 3, in the present embodiment, the accommodation groove 30d is configured to open vertically downward below the portion that becomes the ridgeline 30g between the main plate portion 30a and the lower edge forming portion 30b. is there. The airtight material 40 is attached to the housing groove 30d over the entire length.

The airtight member 40 has a mounting portion 40a, a support fin portion 40b, and a contact fin portion 40c, and is integrally formed of resin. The mounting portion 40a is a portion to be mounted inside the housing groove 30d, and is configured in a cylindrical shape having an outer diameter larger than the opening of the housing groove 30d and slightly smaller than the inner diameter of the housing groove 30d. The support fin portion 40b is a portion that projects in the radial direction from the peripheral surface of the mounting portion 40a, and the projecting edge portion projects outside from the housing groove 30d. The contact fin portion 40c is a portion that extends from the protruding end edge portion of the support fin portion 40b toward the right side in FIG. 3 by bending at a substantially right angle, and the plate thickness gradually decreases toward the tip. Is configured. In the present embodiment, so-called two-color molding is applied, and while the mounting portion 40a and the support fin portion 40b are formed of a relatively hard resin, the contact fin portion 40c is formed of a relatively soft resin. ..

The projecting piece 30e of the slat 30 projects vertically downward from a portion of the cylindrical member 30f on the left side of the opening of the housing groove 30d. As shown in (a) of FIG. 3, the lower end edge of the projecting piece 30e projects below the contact fin 40c of the airtight member 40 mounted in the housing groove 30d, and the slat 30 is substantially horizontal from the left side. When seen from above, it is possible to cover up all of the portion of the airtight member 40 that protrudes from the accommodation groove 30d.

The upper edge constituent portion 30c is provided on the edge portion located on the right side in the lateral direction of the main plate portion 30a, and has a first inclined plate portion 30c1, a horizontal plate portion 30c2, and a second inclined plate portion 30c3. The first inclined plate portion 30c1 is a portion that extends obliquely toward the right side downward of the main plate portion 30a. The horizontal flat plate portion 30c2 is a portion that extends substantially horizontally from the lower end edge of the first inclined plate portion 30c1 toward the right side. The second inclined plate portion 30c3 is a portion that is inclined from the extending end edge portion of the horizontal plate portion 30c2 so as to be gradually rightward toward the upper side. As is apparent from the figure, the second inclined plate portion 30c3 extends to a position higher than the opening of the accommodation groove 30d, and has a contact strip 30h at the upper end of the surface facing upward. The contact strip 30h is a portion that extends substantially horizontally toward the left side. As shown in (a) of FIG. 3, in the upper edge constituent portion 30c, the upper edge constituent portion 30c largely protrudes downward with respect to the lower edge constituent portion 30b when the slats 30 are arranged in a horizontal posture. When the slat 30 is viewed substantially horizontally from the right side, it is possible to cover all of the lower edge constituent portion 30b and the airtight material 40.

As shown in FIG. 1, the slats 30 configured as described above are connected to each other by the above-mentioned connecting belt (not shown) in a state where the lower edge constituent portion 30b is on the outdoor side when arranged in a horizontal posture, and Of the blind portion 23. As shown in (d) of FIG. 4, the upper and lower slats 30 are arranged such that the main plate portion 30a extends in the vertical direction and the lower edge component portion 30b faces downward (hereinafter referred to as a vertical orientation). In such a case, the contact strip 30h provided on the lower slat 30 is set to be able to contact the contact fin 40c of the airtight member 40 provided on the upper slat 30.

According to this external blind device 20, as shown in FIGS. 1 and 4(a), if all the slats 30 are moved upward in a state in which they are arranged in a horizontal posture, the slats 30 are stacked without any gap. Then, the front surface of the window device 10 can be opened to the outside of the room.

On the other hand, as shown in FIGS. 4B and 4C, when the slats 30 are moved downward and arranged in a horizontal posture or an inclined posture, a gap is secured between the slats 30. Therefore, it is possible to ventilate indoors and outdoors while restricting solar radiation to the indoor side.

Further, as shown in FIG. 4(d) from this state, if the slats 30 are arranged in a vertical posture, it is possible to block the solar radiation from outside and to substantially block the ventilation inside and outside. .. That is, when the slats 30 are arranged in the vertical position, as described above, the contact strips 30h provided on the lower slats 30 contact the contact fins 40c of the airtight material 40 provided on the upper slats 30. Is in contact with. Therefore, it becomes possible to prevent the light outside the room from leaking into the room and the air from flowing between the room outside and the room inside. In addition, since the airtight material 40 is interposed between the upper and lower slats 30, even if the slats 30 are flapping due to wind and rain, no noise is generated. Further, even in the state shown in FIG. 4A, only the airtight member 40 is interposed between the upper and lower slats 30. Therefore, there is no possibility that a striking sound is generated when the slat 30 is moved upward from the state shown in FIG. 4B.

Further, according to the external blind device 20 described above, in any of the states of FIGS. 4A to 4D, the protruding piece 30e is included in a portion on the outdoor side of the airtight member 40. Since the lower edge constituent portion 30b is located, the airtight material 40 is not exposed to the outside of the room. As a result, it is possible to prevent a situation in which the design of the external blind device 20 from outside is impaired, and it is possible to prevent early deterioration of the airtight member 40 due to the influence of ultraviolet rays.

In the above-described embodiment, since the accommodation groove 30d is provided so as to open downward when the slat 30 is arranged in the horizontal posture, when the slats 30 in the horizontal posture are stacked, they are struck. It is possible to prevent the occurrence of sound. However, as in the modified example shown in FIGS. 5 and 6, when the slat 30 is arranged in the lateral position, the accommodation groove 130d is formed so as to open toward the room (right side), and the accommodation groove 130d is opened. If the airtight member 140 is arranged so as to extend from the inside toward the room, it is possible to prevent the airtight member 140 from being exposed to the outside (left side) without providing the protruding piece 30e.

That is, in the slat 30 of the external blind device 20 shown in the modified example, the lower edge constituent portion 130b is provided downward from the edge portion located on the outdoor side in the lateral direction of the main plate portion 30a, and the lower edge constituent portion 130b. An accommodation groove 130d is provided in a portion facing the inside of the room so as to open into the room. More specifically, the accommodation groove 130d of the modified example is configured by providing the upper wall portion 130f1 and the lower wall portion 130f2 from the found surface facing the room toward the room in the lower edge forming portion 130b. The upper wall portion 130f1 and the lower wall portion 130f2 are bent so that the extended ends on the indoor side are close to each other, and form an opening having a width narrower than the inside of the accommodation groove 130d.

The airtight member 140 mounted in the housing groove 130d has a mounting portion 140a and a contact fin 140c, and is integrally formed of resin. The mounting portion 140a has a container 140a1 disposed inside the housing groove 130d, a narrow body 140a2 protruding from the surface of the container 140a1, and a sandwiching body 140a3 provided at the protruding end of the narrow body 140a2. The holding fin 140c is provided on the surface of the holding body 140a3. Also in this modification, so-called two-color molding is applied, and while the mounting portion 140a is formed of a relatively hard resin, the contact fin portion 140c is formed of a relatively soft resin. In addition, other than that, the same components as those in the embodiment are denoted by the same reference numerals and detailed description thereof is omitted.

Also in the external blind device 20 including the slats 30 configured as described above, if all the slats 30 are moved upward in the state in which the slats 30 are arranged in the lateral position as shown in FIG. Since the layers are stacked without any gap, the front surface of the window device 10 can be opened to the outside of the room.

On the other hand, as shown in FIGS. 6(b) and 6(c), if the slats 30 are moved downward and arranged in a horizontal posture or an inclined posture, a gap is secured between the slats 30. Therefore, it is possible to ventilate indoors and outdoors while restricting solar radiation to the indoor side.

Further, as shown in FIG. 6D from this state, by arranging the slats 30 in a vertical posture, it is possible to block the solar radiation from the outside and to substantially block the ventilation inside and outside the room. .. That is, when the slats 30 are arranged in a vertical position, the contact strips 30h provided on the lower slats 30 are in contact with the contact fins 140c of the airtight material 140 provided on the upper slats 30. Becomes Therefore, it becomes possible to prevent the light outside the room from leaking into the room and the air from flowing between the room outside and the room inside. In addition, since the airtight member 140 is interposed between the upper and lower slats 30, even if the slats 30 fatter due to wind and rain, no noise is generated.

Further, in any of the states of (a) to (d) of FIG. 6, since the lower edge constituting portion 130b is located at a portion on the outer side of the airtight member 140, the airtight member 140 is kept in the room. Not exposed to the outside. As a result, it is possible to prevent a situation in which the design of the external blind device 20 from outside is impaired, and it is possible to prevent early deterioration of the airtight member 140 due to the influence of ultraviolet rays.

In each of the above-described embodiments and modifications, the upper edge constituent portion 30c of the slat 30 is configured to project below the lower edge constituent portions 30b and 130b in the lateral posture, so that the airtight member 40 is formed. , 140 are not exposed to the indoor side, and the designability can be improved. However, the present invention is not limited to this, and it is not necessary for the upper edge component of the slat to project below the lower edge component. Further, since the contact strips 30h are provided on the slat 30, a large contact area is ensured for the contact fins 40c, 140c of the airtight members 40, 140 extending upward in the vertical posture. However, it is not necessary for the slats to have abutment strips. Further, although the two-color molded products are applied as the airtight members 40 and 140, the present invention is not necessarily limited to this.

20 external blind device, 30 slats, 30b, 130b lower edge constituent parts, 30c upper edge constituent parts, 30d, 130d accommodating groove, 30e protruding piece, 30h contact strip, 40, 140 airtight material

Claims (4)

Equipped with multiple slats arranged side by side in the up-down direction, it becomes possible to secure a gap between the upper and lower slats when the slats are placed in a horizontal position, while each slat is in a vertical position. An external blind device in which the upper and lower slats are in contact with each other via an airtight material when arranged in
The slat is provided with a lower edge component portion that protrudes downward at an edge portion that is an outdoor side when arranged in a horizontal posture,
The lower edge component part is provided with a housing groove that opens downward when the slat is placed in a horizontal position, and the housing groove projects downward from the opening and then faces the room. The airtight member is extended so as to be bent, and a protruding piece that protrudes downward from a lower end of the airtight member is provided at a portion that is located outside the opening of the accommodation groove. External blind equipment to do. The slats are supported so that the mutual spacing can be changed,
The lower edge constituent part is provided so as to be inclined downward so as to gradually become the outer side of the chamber when the slat is arranged in the sideways posture, and the accommodation groove of the slat arranged above is opened in the opening. The external blind device according to claim 1 , wherein the external blind device is provided at a position corresponding to an upper end of the lower edge component portion with respect to the slats arranged below . The slat is provided with an upper edge component portion that protrudes downward from the lower edge component portion and then extends upward at an edge portion that is on the indoor side when the slat is arranged in the horizontal posture. The external blind device according to claim 1, wherein: The upper edge constituent portion is provided with a contact strip so as to contact the airtight material of the slats arranged below from the indoor side when the slats are arranged in the vertical posture. The external blind device according to claim 3 , wherein:

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