JP4732906B2 - Screen device - Google Patents

Description

  The present invention relates to a horizontally-drawing screen device for mounting on a building opening for the purpose of dust prevention, light shielding, heat insulation, insect prevention and the like.

  In a building opening, by holding a pleated or roll-up screen composed of insect repellent nets between a pair of heel members parallel to each other, at least one of the pair of heel members can be slid horizontally In addition, there is already known a horizontally-drawing type screen device configured to be able to open and close the building opening by expanding and contracting the screen, and in order to achieve barrier-free in such a screen device. In addition to the upper and lower frame members, a pair of long and bendable slide frames are provided, and the pair of slide frames are formed on the upper and lower end edges of the screen and the flange members as the screen expands and contracts. The one configured so as to appear and disappear from the inside is already known in Patent Document 1 and the like.

By the way, in the conventional screen apparatus provided with such a pair of upper and lower slide frames, in order to ensure good operability during opening and closing, the pair of slide frames are provided on the upper and lower edge portions of the screen and the flange member. There is a need to smoothly move in and out of the interior.
For this purpose, for example, by providing an upper guide rail 51 and a lower guide rail 52 on the upper horizontal frame 61 and the lower horizontal frame 62 of the building opening 60 as in the screen device 50 shown in FIGS. When the pair of bendable slide frames 53 and 54 are led out from the inside of the flange member 55, they are configured to be slidably engaged with the guide rails 51 and 52, respectively, to be guided. Further, in order to adapt to the difference in height due to the building opening 60, a fixing frame 56 having a substantially U-shaped cross section is opened downward and fixed to the upper horizontal frame 61, and the upper guide rail 51 is provided on the lower surface. It is conceivable to accommodate the movable frame 57 so as to be movable in the vertical direction with respect to the fixed frame 56.

However, in the case of this example, when the screen device 50 is mounted in the building opening 60, the lower end portion of the movable frame 57 protrudes from the lower end opening of the fixed frame 56 as shown in the figure, and the screen device When 50 is viewed from the front, the step formed between the fixed frame 56 and the movable frame 57 is easily noticeable, leaving room for improvement in design. Further, in such a structure in which the lower end portion of the movable frame 57 protrudes from the lower end opening of the fixed frame 56, when the strong force is applied to the screen 58, for example, when the strong force is applied to the screen 58. In addition, there is a possibility that deformation or damage may occur due to an excessive force acting on the movable frame 57, so there is still room for improvement in terms of structure.
JP 2001-73655 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide a screen device having a pair of upper and lower slide frames that appear and disappear between the upper and lower end edges of the screen and the inside of the eaves member as the screen expands and contracts. There is also to provide a strong one.

In order to solve the above-described problems, a screen device according to the present invention is a horizontally-drawn screen device for mounting on a building opening formed by being surrounded by upper and lower horizontal frames facing each other and left and right vertical frames facing each other. A guide frame for mounting on the upper horizontal frame, and having a long upper guide rail provided on the lower surface along the longitudinal direction; on the lower horizontal frame along the longitudinal direction A long lower guide rail provided between the pair of left and right vertical frames and a pair of eaves members arranged parallel to each other and slidable in the lateral direction, and between the pair of eaves members, A screen supported so as to be expandable and contractable by sliding of the flange member, and as the screen contracts, the screen is bent from an inlet / outlet opened in the flange member and is accommodated in the interior of the flange member. Along with the expansion of the lean, a pair of upper and lower long lines linearly led out along the upper and lower end edges of the expanded screen from the entrance / exit onto the upper guide rail and the lower guide rail. An apparatus main body including a slide frame; and when the pair of slide frames are led out onto the upper guide rail and the lower guide rail on surfaces opposite to the screen, respectively. The guide frame includes a lateral fixed frame having a substantially U-shaped cross section and a movable frame having a substantially U-shaped cross section. The horizontal fixing frame is configured such that the upper ends of a pair of opposing side walls are connected by an upper wall, the lower end side of the side walls is open, and is fixed on the upper horizontal frame by the upper wall. The movable frame has a pair of opposing side walls with the lower ends of the side walls Connected by a lower wall forming a surface, the upper end side of the side wall is opened, the upper guide rail is formed on the lower wall, and the other frame is inside either the horizontal fixed frame or the movable frame. The movable frame can be displaced within a predetermined range with respect to the horizontal fixed frame in a predetermined range, and at least the lower end side from the center of the frame located inside the frame is located outside the frame. It is characterized by being always contained .

In the screen device, the guide frame includes stopper means for preventing the movable frame from being displaced below a predetermined range with respect to the lateral fixed frame.
Specifically, the stopper means includes engaging protrusions protruding from the outer surfaces of both side walls of the one frame, and stopper protrusions protruding from the inner surfaces of the side walls of the other frame, respectively. The movable frame is configured to be prevented from being displaced downward by the engagement between the engagement projecting piece and the stopper projecting piece at the lower end of the predetermined range. In the predetermined range, an elastic support member is provided that repels the movable frame downward.

At this time, the one frame is a movable frame, the other frame is a horizontal fixed frame, and the entire movable frame is always in the internal space of the horizontal fixed frame within the predetermined range in which the movable frame can be displaced. The one frame is a horizontal fixed frame, the other frame is a movable frame, and at least in the vertical direction of the horizontal fixed frame within the predetermined range in which the movable frame can be displaced. The lower end side from the center may be always accommodated in the internal space of the movable frame.
In the former case, the upper end portion of the slidable flange member is always accommodated in the inner space from the lower end of the horizontal fixed frame regardless of the position of the movable frame in the predetermined range, and the horizontal fixed frame It is desirable that the operability of the slidable scissors is further improved.

In one embodiment of the screen device, each of the pair of slide frames is formed to be bendable by connecting a plurality of guide pieces so as to be bendable between adjacent guide pieces, and the screen side The guide portion for supporting the upper and lower end edges of the screen from both sides when being led out on the upper guide rail and the lower guide rail on the surface disposed on the upper and lower guide rails along the longitudinal direction. ing.
The pair of saddle members includes a fixed saddle member fixed to one of the left and right vertical frames and a movable saddle member provided to be slidable in the lateral direction. Each entry outlet is opened, and one end of each of the pair of slide frames is fixed to the upper and lower ends of the movable saddle member, and the other end thereof reciprocates inside the fixed saddle member through each of the entrances and exits. Arranged freely.
Furthermore, the left and right ends of the screen are attached to the fixed rod member, and the other ends are attached to a winding shaft of a screen supported rotatably in the movable rod member, and the upper guide The rail is disposed at the approximate center in the width direction on the lower surface of the movable frame.

  As described above, according to the screen device of the present invention, the guide frame having the upper guide rail on the lower surface and attached to the upper horizontal frame of the building opening connects the pair of opposing side walls and their upper ends. A lower fixing section having an upper wall and having a lower end opened and connected to the upper horizontal frame and having a substantially U-shaped cross section, a pair of opposite side walls and their lower ends connected to each other to form the lower surface. A movable frame having a substantially U-shaped cross section that is assembled to be displaceable in a predetermined range in the vertical direction with respect to the horizontal fixed frame with an upper end opened, and in the predetermined range, the horizontal fixed frame and Since at least the lower end side from the center in the vertical direction of any one of the movable frames is always accommodated in the internal space of any one of the movable frames, the screen device mounted in the building opening When viewed from the front Easy guide frame designs lower end attached to a more simple and excellent design, it is possible to provide a robust screen device also structurally.

  Embodiments of a screen device according to the present invention will be described below with reference to the drawings. However, in the following embodiments, an example in which a wind-up insect screen is adopted as the screen will be described. However, the screen is not limited to the wind-up type, and is a pleated shape in which a large number of folds are formed by folding. In addition, the use thereof is not limited to insect repellent, but may be intended for light shielding, blindfolding or heat insulation.

  As shown in FIG. 1 to FIG. 3, the screen device S includes an upper horizontal frame 2 and a lower horizontal frame 3 that are formed of surfaces extending in the horizontal direction and facing each other, and a left vertical frame 4 that is formed of a surface extending in the vertical direction and is opposed to each other The building opening 1 is surrounded by the right vertical frame 5 and is mounted in a horizontal manner on the building opening 1 and includes a long and straight upper guide rail 20 on the lower surface 12a. The guide frame 10 attached to the upper horizontal frame 2, the vertical fixed frame 15 attached to the left vertical frame 4 and / or the right vertical frame 5, and the lower guide attached to the lower horizontal frame 3 in a long and straight shape. The rail 25 and the apparatus main body 30 provided with a pair of flange members 31, 32, a screen 40, and a pair of slide frames 45a, 45b.

  In the apparatus main body 30, the pair of flange members 31, 32 are arranged upright substantially parallel to each other between the left and right vertical frames 4, 5, and the distance between them is variable. , 32, the screen 40 is supported, and the screen 40 can be expanded and contracted by changing the interval. Further, the pair of slide frames 45a and 45b are respectively bent in the vertical direction as the screen 40 contracts and are accommodated in the interior 31e of the flange member 31, and conversely, as the screen 40 is expanded, From the inside 31e of the flange member 31 to the lower surface 12a of the guide frame 10 and the lower horizontal frame 3, it is led out along the upper and lower end edges of the expanded screen 40, and each of the above guide rails 20 and 25 are slidably engaged with each other.

  The guide frame 10 is for fixing directly on the upper horizontal frame 2 and is adapted to the difference in the height of the opening of the building in which the screen device S is mounted (that is, the height of the left and right vertical frames 4 and 5). Therefore, the lower surface 12a can be displaced within a predetermined range in the vertical direction (see FIGS. 4 and 5), and the upper guide rail 20 is fixedly provided along the longitudinal direction on the lower surface 12a. Yes. The vertical fixing frame 15 is directly fixed to the vertical frame 5 arranged on the slidable flange member 32 side of the left and right vertical frames 4 and 5, and holds the flange member 32 when the screen 40 is closed. In order to maintain the closed state. Further, the lower guide rail 25 is for directly fixing to the position on the lower horizontal frame 3 facing the upper guide rail 20.

  Each of the pair of slide frames 45a and 45b is formed to be bendable by connecting a large number of guide pieces 46 between the adjacent guide pieces 46 and 46 so that they can be bent. The surfaces of the slide frames 45a and 45b arranged on the screen 40 side are provided with upper and lower end edges of the screen 40 on both sides when the guide frames 10 are led out onto the lower surface 12a and the lower horizontal frame 3. A guide portion 47 that is slidably supported from the side is formed along the longitudinal direction. On the other hand, the surface of the slide frames 45a and 45b on the side opposite to the screen 40 is also provided with a guide. Engagement portions 48 are formed along the longitudinal direction so as to slidably engage with the guide rails 20 and 25 when being led out onto the lower surface 12a and the lower horizontal frame 3 of the frame 10. .

  As described above, the screen device S includes the lower surface 12a that can be displaced in the vertical direction, and the guide frame 10 in which the long upper guide rail 20 is provided on the lower surface 12a. Side guide rails 25 are fixedly arranged on the upper horizontal frame 2 and the lower horizontal frame 3 of the building opening 1, respectively, and the lower surface of the guide frame 10 from the interior 31 e of the eaves member 31 as the screen 40 expands. The engaging portions 48 of the pair of slide frames 45a and 45b linearly led out on 12a and the lower horizontal frame 3 are slidably engaged with the upper and lower guide rails 20 and 25, respectively. Therefore, the slide frames 45a and 45b led out from the inside 31e of the flange member 31 are stably supported and guided on the lower surface 12a and the lower horizontal frame 3 of the guide frame 10, respectively. As a result, during the opening / closing operation of the screen device S, the pair of slide frames 45a and 45b are smoothly moved between the lower surface 12a and the lower horizontal frame 3 of the guide frame 10 and the interior 31e of the flange member 31, respectively. The screen device S can be ensured to have good operability.

  In addition, in the screen device S, the upper and lower end edges of the expanded screen 40 are supported by the guide portions 47 of the slide frames 45a and 45b so as to be sandwiched from both sides thereof. When the apparatus S is opened and closed, the upper and lower end edges of the screen 40 are slidably guided by the guide portion 47 so that the screen 40 can be smoothly expanded and contracted, and the screen 40 is expanded. In a state where the building opening 1 is closed, shaking in the surface direction of the screen 40 due to wind or the like is suppressed by the guide portion 47, and the upper and lower edge portions of the slide frames 45 a and 45 b and the screen 40. In addition, since unnecessary gaps are not formed between the guide rails 20 and 25, insects and the like are passed through these portions. It can be inhibited from entering the chamber.

  In the screen device S of the present embodiment shown in FIG. 1, the left side of the pair of eaves members is fixed to the left vertical frame 4 as the eaves member 31 and is arranged on the right side. The movable rod member 32 is slidable in the lateral direction, but in some cases, the one arranged on the right side is fixed to the right vertical frame 5 as a fixed rod member, and the one arranged on the left side is used as the movable rod member. It may be slidable, and both may be slidable as a movable rod member. Further, in the present embodiment, the pair of slide frames 45a and 45b are also accommodated in the fixed rod member 31, but may be accommodated in the movable rod member 32. In the case where the screen 40 is formed in a pleat shape, the screen 40 may be accommodated in both the flange members 31 and 32.

  Therefore, the present embodiment will be described in more detail. First, the guide frame 10 is formed to have substantially the same length as the upper horizontal frame 2 of the building opening 1 and is fixed to the upper horizontal frame 2. The fixed frame 11 includes a lower surface 12a on which the upper guide rail 20 is provided, and a movable frame 12 assembled to the lateral fixed frame 11 so as to be displaceable within a predetermined range in the vertical direction. The horizontal fixing frame 11 is opposed to the upper wall 11a, which is brought into contact with the upper horizontal frame 2 and fixed with a fixing member such as a screw, and the upper wall 11a is connected to the upper wall 11a so as to be substantially parallel. A pair of side walls 11b and 11b are formed in a substantially U-shaped cross section with an open lower end. On the other hand, the movable frame 12 is formed by a lower wall 12b that forms the lower surface 12a and the lower wall 12b. A lower end portion is connected, and a pair of side walls 12c, 12c facing each other in a substantially parallel manner is formed in a substantially U-shaped cross section with an upper end opened.

As shown in FIGS. 4 and 5, the movable frame 12 can be displaced with respect to the horizontal fixed frame 11 in a state where the movable frame 12 is always accommodated in the internal space of the horizontal fixed frame 11. Yes. That is, the movable frame 12 is an opening that connects the lower ends of the pair of side walls 11b and 11b in the horizontal fixed frame 11 as a whole including the upper guide rail 20 at any displacement position from the upper end to the lower end of the predetermined range. As shown in FIG. 1, when the screen device S is viewed from the front, the entire screen is displayed regardless of the displacement position of the movable frame 12, as shown in FIG. Is always covered by the side wall 11b of the lateral fixing frame 11. At the same time, the upper end portion of the movable hook member 32 is always accommodated in the inner space from the lower end opening of the horizontal fixed frame 11 regardless of the displacement position of the movable frame 12, and a pair of side walls of the horizontal fixed frame 11 11b and 11b are supported and guided from both sides.
In the present embodiment, the width of the upper wall 11a and the height of the side wall 11b of the horizontal fixed frame 11 are approximately twice the width of the lower wall of the movable frame 12 and the height of the side wall 12c, respectively. The upper guide rail 20 is disposed at the approximate center in the width direction on the lower surface 12 a of the movable frame 12.

In this way, the entire movable frame 12 is always accommodated in the internal space of the horizontal fixed frame 11 and covered with the side wall 11b of the horizontal fixed frame 11 over the entire range within a predetermined range displaceable with respect to the horizontal fixed frame 11. Therefore, the design of the lower end portion of the guide frame 10 that is easily noticeable when the screen device S attached to the building opening 1 is viewed from the front is made simpler and more excellent in design. be able to.
At the same time, the entire movable frame 12 including the upper guide rail 20 is always covered and supported by the lateral fixed frame 11, and the upper end portion of the movable rod member 32 is always supported and guided by the lateral fixed frame 11. Since the upper guide rail 20 is configured, the screen device S is structurally stronger, such as preventing deformation and damage from the outside, and eliminating unnecessary play of the movable rod member 32. It can be.
And since the movable frame 12 does not protrude from the opening at the lower end of the horizontal fixed frame 11, even when the screen device S is mounted on a plurality of building openings 1 having different heights, the horizontal fixed frame 11 is fixed horizontally. The protruding width of the movable frame 12 from the frame 11 is not different.
Further, since the movable frame 12 can be displaced in the vertical direction with respect to the horizontal fixed frame 11, the guide frame 10 and the lower guide rail 25 fixed to the upper horizontal frame 2 and the lower horizontal frame 3 of the building opening 1, respectively. On the other hand, when attaching / detaching the apparatus main body 30, the attaching / detaching work can be performed more smoothly.

The guide frame 10 is provided with stopper means for defining the lower end of the predetermined range and for preventing the movable frame 12 from being displaced below the predetermined range with respect to the lateral fixed frame 11. The stopper means includes a pair of stopper projecting pieces 11c and 11c projecting from the inner surfaces of the pair of side walls 11b and 11b in the lateral fixed frame 11, and an outer surface of the pair of side walls 12c and 12c in the movable frame 12, respectively. A pair of engaging protrusions 12d and 12d are provided so that the engaging protrusions 12d and 12d abut against the stopper protrusions 11c and 11c from above at the lower end of the predetermined range. (See FIG. 5). On the other hand, the upper end of the predetermined range is defined by the inner surface of the upper wall 11a of the horizontal fixed frame 11, and the upper ends of the side walls 12c, 12c of the movable frame 12 abut against the inner surface of the upper wall 11a. 12 is prevented from being displaced upward (see FIG. 4).
Here, the stopper projecting pieces 11c and 11c are projected horizontally and integrally so as to face each other from substantially the center of the inner surface of the side wall 11b and 11b of the lateral fixed frame 11, and the tip thereof is the side wall 12c of the movable frame 12. , 12c is bent upward substantially at a right angle along the outer surface. The engaging protrusions 12d, 12d are integrally projected from the outer surface of the upper end of the side wall 12c, 12c of the movable frame 12 slightly obliquely downward. Furthermore, the upper end portions of the side walls 12c, 12c of the movable frame 12 are continuously bent from the engaging protrusion 12d and bent slightly upward inward.

Further, a plurality of elastic support members 13 are contracted in the guide frame 10 and are elastically projected downward by the elastic support members 13 over the entire predetermined range in which the movable frame 12 can be displaced. At the same time, the upper edge of the apparatus main body 30, that is, the upper slide frame 45 a is elastically supported by the movable frame 12. By doing so, the uneven | corrugated engagement with the upper side guide rail 20 and the upper side slide frame 45a can be made more reliable, and the appearance operation | movement of this slide frame 45a can be made smoother.
The elastic support member 13 is formed by a leaf spring refracted in a substantially L shape. As shown in FIG. 1, the leaf spring 13 is compressed and accumulated with spring force, and one end thereof is fixed to the cap 14 at the end of the guide frame 10 with a fixing member such as a screw. The bent portion and the other end as a free end are slidably brought into contact with the inner surface of the upper wall 11a of the lateral fixed frame 11 and the inner surface of the lower wall 12b of the movable frame 12, respectively.
Here, the caps 14 are respectively fitted in openings at both ends in the axial direction of the guide frame 10, and close the openings, respectively, and the difference between the length of the guide frame 10 and the width of the building opening 1. The gap which arises can be eliminated.
The elastic support member 13 is not limited to the leaf spring but may be a coil spring or the like.

The fixed gutter member 31 is formed in a long and hollow rod shape, and is disposed on the screen 40 side and faces the movable gutter member 32, and the screen faces the first side wall 31a. 40 is disposed on the opposite side to the left vertical frame 4 and the second side wall 31b is disposed substantially at right angles to the first side wall 31a and the second side wall 31b so as to face each other. It has the 3rd side wall 31c and the 4th side wall 31d which are substantially parallel to an opening surface.
Then, the fixing rod member 31 slides the lever 36 disposed on the second side wall 31b side end portion on the third and fourth side walls 31c, 31d in the vertical direction so as to be integrated with the lever. The tongue piece (not shown) provided on the outer surface of the second side wall 31b is engaged with and disengaged from a hook (not shown) fixed on the left vertical frame 4 with a fixing member such as a screw. The left vertical frame 4 is detachable.
Note that the attachment of the fixing rod member 31 to the left vertical frame 4 is not limited to the above, and the second side wall 31b may be directly fixed to the left vertical frame 4 simply by a fixing member such as a screw.

  At the upper and lower ends of the first side wall 31a, there are an upper inlet / outlet port 33a and a lower inlet / outlet port 33b that lead to the inside 31e of the fixed rod member 31 and allow the pair of slide frames 45a and 45b to appear and disappear. Each has been established. Further, a screen locking portion 35 for locking the left end edge portion of the screen 40 is provided along the longitudinal direction on the outer surface side of the first side wall 31a. The third side wall 31c is provided with a work opening 34a that leads to the interior 31e of the fixed rod member 31, and the work opening 34a can be opened and closed by a detachable lid 34. Therefore, even when the screen device S is attached to the building opening 1, the lid 34 is removed from the opening surface side of the building where the first side wall 31a is disposed in the screen device S, and is fixed through the work opening 34a. The inside 31e of the member 31 can be easily accessed.

  On the other hand, the movable hook member 32 is also formed in a long and hollow rod shape, and a winding shaft 41 for winding the screen 40 is rotated around the vertical axis of the hook member 32 inside. It is supported movably. The right end edge of the screen 40 is locked to the winding shaft 41, and the screen 40 is wound around the winding shaft 41 by sliding the movable rod member 32 back and forth in the left-right direction. It can be taken out and contracted, or it can be extended from the take-up shaft 41. Here, the winding shaft 41 has a built-in automatic winding mechanism 42 by a coil spring, and when the screen 40 is unwound from the winding shaft 41, a rotational urging force is returned to the coil spring. The screen 40 can be wound around the winding shaft 41 by using a coil spring in which the rotational urging force is stored as a drive source. Further, a convex portion 37 having a magnet 37 a is provided along the vertical direction on the side surface of the movable rod member 32 that is located on the opposite side of the screen 40 and faces the right vertical frame 5.

  The vertical fixing frame 15 is formed in a substantially U-shaped cross section having substantially the same length as the movable rod member 32 and substantially the same opening width as the convex portion 37, and opens the movable rod member 32 side to It is fixed on the right vertical frame 5 by a fixing member such as a screw. A magnet receiver 16 made of a magnetic material is provided on the bottom surface of the vertical fixed frame 15 at a position corresponding to the magnet 37 a of the movable rod member 32. Therefore, when the movable rod member 32 is slid rightward and the screen 40 is fed from the take-up shaft 41, the convex portion 37 of the movable rod member 32 is fitted into the vertical fixed frame 15, and the magnet 37a is attached to the magnet receiver 16. By adsorbing, the closed state of the building opening 1 by the screen 40 can be maintained against the returning rotational biasing force accumulated in the coil spring of the automatic winding mechanism 42.

  Each of the pair of upper and lower slide frames 45a and 45b has a plurality of guide pieces 46 integrally formed of hard resin, and two flexible connecting wires 49 and 49 at both ends on the screen 40 side. Are slidably penetrated and connected in a row. At this time, when the slide frames 45a and 45b are in a straight line state, the plurality of guide pieces 46 are connected so that the end surfaces of the adjacent guide pieces 46 are in contact with each other with almost no gap, but the slide frame 45a. , 45b is provided with a margin that can be smoothly bent when accommodated in the interior 31e of the fixed rod member 31. As the connection wires 49, 49, a wire having a rebound resilience that is difficult to stretch with respect to the force in the length direction and that tends to return to a straight state with respect to the curve, such as a twist of a plurality of fine metal wires, is suitable. ing. However, the means for connecting the guide pieces 46 is not limited to the connecting wire 49, and may be a single flexible tape-like body, and the guide pieces 46 adjacent to each other. , 46 may be integrally connected by a thin portion that can be bent.

  Each of the upper and lower slide frames 45a and 45b has one end fixed to the upper and lower ends of the movable rod member 32 as a fixed end, and the other end as a free end. It is arranged in the inside 31e of the fixed rod member 31 through the outlets 33a and 33b, and is fixed to the upper and lower end edges of the screen 40 through the upper and lower inlet / outlet ports 33a and 33b as the movable rod member 32 reciprocates. It is possible to go in and out with the inside 31e of the flange member 31. That is, the slide frames 45a and 45b are respectively curved and fixed from the respective entrances and exits 33a and 33b when the screen is retracted by sliding the movable rod member 32 to the left and winding the screen 40 around the winding shaft 41. In the expansion of the screen which is accommodated in the inside 31e along the axis of the flange member 31 and conversely slides the movable rod member 32 to the right and feeds the screen 40 out of the winding shaft 41, the fixed rod member 31 A straight line is led out along the upper and lower end edges of the screen 40 from the inside 31e through the inlets 33a and 33b.

  The guide piece 46 is formed in a substantially hexahedron that is thinned in the axial direction, and holes for inserting the connecting wires 49 are formed in both corners of the screen 40 in the axial direction. In addition, a slit that leads to the hollowed-out internal space is opened in the axial direction at substantially the center of the surface on the screen 40 side to form the guide portion 47 of the slide frames 45a and 45b. . On the other hand, fastener-like engaging elements 43 formed wider than the width of the slit-like guide part 47 are provided on the upper and lower end edges of the screen 40 over substantially the entire length. By doing so, the upper and lower end edges of the screen 40 drawn out from the take-up shaft 41 in accordance with the expansion are simultaneously inserted into the inner space of the slide frames 45a and 45b led out from the fixed rod member 31. In this state, the slit-shaped guide portion 47 is inserted.

  On the surface of the guide piece 46 opposite to the screen 40, a concave groove is provided in the axial direction, which is narrowed by a pair of claw portions whose opening width projects inward, and the slide frames 45 a, 45 b An engaging portion 48 is formed. On the other hand, the upper guide rail 20 is integrally projected on the lower surface 12a of the lower wall 12b of the movable frame 12, and the lower guide rail 25 is provided with appropriate means on the lower horizontal frame 3. It is fixed by and protruded. And these guide rails 20 and 25 have a pair of eaves | protrusions which protrude in both outward directions at those front-end | tip parts, and this front-end | tip part is formed wider than the base. Here, the widths of the base portions of the upper and lower guide rails 20 and 25 are formed smaller than the opening widths of the engaging portions 48 in the corresponding slide frames 45a and 45b, respectively. The width of the distal end portion of the engagement portion 48 is larger than the opening width of the engagement portion 48 and smaller than the groove width of the engagement portion 48.

By doing so, as the screen 40 expands, the engaging portions of the slide frames 45a and 45b led out from the inside 31e of the fixed rod member 31 onto the lower surface 12a of the movable frame 12 and the lower horizontal frame 3 48, the upper and lower guide rails 20 and 25 are inserted in a state in which the collar portion and the claw portion of the engaging portion 48 are engaged with each other, and the both are slidably engaged with each other.
Therefore, on the lower surface 12a and the lower horizontal frame 3 of the movable frame 12, the slide frames 45a and 45b are prevented from being curved in a convex shape toward the screen 40 and are held in a substantially linear shape, and the upper slide frame 45a is It does not hang down from the upper guide rail 20 and the lower slide frame 45b does not float from the lower guide rail 25.
The means for restricting the bending of the slide frames 45a and 45b is not limited to the above-described one. For example, the guide piece 46 itself is provided with a stopper portion for restricting the bending direction, and the guides adjacent to each other are provided. The bending direction of the slide frames 45a and 45b is limited by the contact of the stopper portions between the pieces 46 and 46, and the hook portions of the upper and lower guide rails 20 and 25 and the engaging portions 48 of the slide frames 45a and 45b. You may abbreviate | omit a nail | claw part.

  Although not shown, the width of the tip of each of the upper and lower guide rails 20 and 25 is such that the upper and lower slide frames 45a and 45b are located in the vicinity of the positions where the upper and lower inlets 33a and 33b of the fixed rod member 31 are arranged. The engaging portion 48 is formed to be narrower than the opening width. Therefore, when the upper and lower slide frames 45a and 45b are moved in and out through the upper and lower entrances 33a and 33b of the fixed rod member 31, the guide frames 10 fixed to the upper horizontal frame 2 and the lower horizontal frame 3 of the building opening 1, respectively. When the apparatus main body 30 is attached to or detached from the lower guide rail 25, the engaging portions 48 of the upper and lower slide frames 45a and 45b are smoothly engaged with the upper and lower guide rails 20 and 25 at this position. Can be removed.

Further, in the screen device S, the parallel movement of the movable rod member 32 with respect to the fixed rod member 31 is maintained when the screen device S is opened and closed by synchronizing the movement of the pair of slide frames 45a and 45b with each other. A wire member 38 is attached to the end piece 46a that forms the free end of each of the upper and lower slide frames 45a and 45b. The wire member 38 is made of a flexible braid or the like, and forms a loop in an area closer to the work opening 34a than the slide frames 45a and 45b in the interior 31e of the fixed rod member 31. The end pieces 46a of the slide frames 45a and 45b are connected to each other. As shown in FIG. 1, the loop formed by the wire member 38 is folded by a pair of folded portions 38a and 38a disposed in the vicinity of the upper opening end and the lower opening end of the working opening 34a. It is formed in an O-shape that does not cross each other.
As described above, the wire member 38 is installed so that the whole of the wire opening 38 is exposed from the work opening 34a in the region 31a side of the slide frame 45a, 45b in the interior 31e of the fixed rod member 31. Therefore, even when the screen device S is still attached to the building opening 1, work such as detaching the wire member 38 and adjusting tension can be easily performed from the opening surface side of the screen device S through the work opening 34a. Can be done.

FIG. 6 shows a schematic cross-sectional view of the guide frame 10 in the screen device S according to the second embodiment of the present invention.
It should be noted that here, the components that are different from the screen device S according to the above embodiment and the operation and effects thereof will be described, and other common components and the operations and effects thereof are illustrated and described in order to avoid duplication. Is omitted.

In the guide frame 10 of the second embodiment, the housing relationship between the horizontal fixed frame 11 and the movable frame 12 is opposite to that of the above embodiment, and the movable frame 12 is formed wider than the horizontal fixed frame 11. In the predetermined range in which the movable frame 12 can be displaced, at least the lower end side from the center in the vertical direction of the lateral fixed frame 11 is always accommodated in the internal space of the movable frame 12. Yes. That is, the horizontal fixed frame 11 has a pair of side walls 12c in the movable frame 12 at least at the lower end side from the center in the vertical direction regardless of the position of the movable frame 12 from the upper end to the lower end of the predetermined range. , 12c are always accommodated in a space formed on the inner side of the opening surface connecting the upper ends of 12c. When the screen device S is viewed from the front, regardless of the displacement position of the movable frame 12, at least the lower end side from the center in the vertical direction of the horizontal fixed frame 11 is always covered by the side wall 12c of the movable frame 12. It has become.
Therefore, the design of the lower end portion of the guide frame 10 that is easily noticeable when the screen device S mounted in the building opening 1 is viewed from the front can be made simpler and more excellent in design. At the same time, at least half of the horizontal fixed frame 11 in the vertical direction is always covered with the movable frame 12, so that the screen device S can be structurally more robust. .

In the second embodiment, the stopper means includes a pair of stopper projecting pieces 11c and 11c projecting from the outer surfaces of the pair of side walls 11b and 11b of the lateral fixed frame 11, respectively, and a pair of the movable frame 12 The pair of engaging protrusions 12d and 12d project from the inner surfaces of the side walls 12c and 12c, respectively. Similarly, at the lower end of the predetermined range, the engaging protrusions 12d and 12d are the stopper protrusions 11c. , 11c from above and engage with each other (see the solid line in FIG. 6). On the other hand, the upper end of the predetermined range is defined by the upper horizontal frame 2, and the upper ends of the side walls 12 c, 12 c of the movable frame 12 come into contact with the upper horizontal frame 2, so The displacement is prevented (see the two-dot chain line in FIG. 6).
Here, the stopper projecting pieces 11c and 11c are provided so as to project from above the substantially center on the outer surfaces of the side walls 11b and 11b of the lateral fixed frame 11, respectively, and the engaging projecting pieces 12d and 12d are provided with the movable frame. 12 projecting from the upper end of the inner surfaces of the side walls 12c, 12c.

It is a partially broken front view which shows the state which removed the cover part 34 of the fixed collar member 31, and attached the screen apparatus S which concerns on the Example of this invention to the building opening 1. FIG. It is AA sectional drawing in the state which mounted | wore the cover part 34 in FIG. It is BB sectional drawing in FIG. It is AA sectional drawing in FIG. 1 which shows the state which displaced the movable frame 12 to the upper end of the predetermined range which can be displaced. It is AA sectional drawing in FIG. 1 which shows the state which displaced the movable frame 12 to the lower end of the predetermined range which can displace. It is a rough cross-sectional view of the guide frame 10 in the screen apparatus S which concerns on 2nd Example of this invention. It is a partially broken front view of a prior art. It is CC sectional drawing in FIG.

Explanation of symbols

S screen device 1 building opening 2 upper horizontal frame 3 lower horizontal frame 4 left vertical frame
5 Right vertical frame 10 Guide frame 11 Fixed frame 11a Upper wall 11b Side wall 11c Stopper protrusion 12 Movable frame 12a Lower surface 12b Lower wall 12c Side wall 12d Engagement protrusion
13 Leaf spring (elastic support member)
20 Upper guide rail 25 Lower guide rail 30 Device body 31 Fixed rod member 31e Inside
32 Moving rod member 33a Upper entrance / exit 33b Lower entry / exit
40 screens
41 Winding shaft 45a Upper slide frame 45b Lower slide frame 46 Guide piece 47 Slit-shaped guide portion 48 Recessed groove-shaped engagement portion

Claims (10)

A horizontally-drawing screen device for mounting on a building opening formed by being surrounded by upper and lower horizontal frames facing each other and left and right vertical frames facing each other,
A guide frame that is mounted on the upper horizontal frame and has a long upper guide rail provided along the longitudinal direction on the lower surface; a length provided along the longitudinal direction on the lower horizontal frame. A lower guide rail of the scale; a pair of eaves members arranged parallel to each other and slidable in the horizontal direction between the left and right vertical frames; and between the pair of eaves members, A screen supported by the slide so as to be expandable and contractible, and as the screen contracts, the screen is bent from the inlet / outlet opened in the flange member and is accommodated in the interior of the flange member. A device comprising a pair of upper and lower long slide frames linearly led out along the upper and lower end edges of the expanded screen from the entry outlet onto the upper guide rail and the lower guide rail. Equipped with; body
Each of the pair of slide frames is slidable with the upper and lower guide rails when led out on the upper guide rail and the lower guide rail on the surface disposed on the opposite side of the screen. Having an engaging portion for engaging along the longitudinal direction;
The guide frame is composed of a horizontal fixed frame having a substantially U-shaped cross section and a movable frame having a substantially U-shaped cross section. The horizontal fixed frame has upper ends of a pair of opposing side walls connected by an upper wall. The lower end side of the side wall is opened and fixed on the upper horizontal frame by the upper wall, and the movable frame is connected to the lower wall of the pair of opposing side walls by the lower wall forming the lower surface. An upper end side is opened, the upper guide rail is formed on the lower wall, the other frame is fitted inside one of the horizontal fixed frame and the movable frame, and the movable frame is a horizontal fixed frame. Is displaceable within a predetermined range in the vertical direction, and at least the lower end side from the center of the frame located inside is always accommodated in the internal space of the frame located outside,
A screen device.   2. The screen device according to claim 1, wherein the guide frame includes stopper means for preventing the movable frame from being displaced below a predetermined range with respect to the lateral fixed frame. The stopper means is composed of engaging protrusions protruding from the outer surfaces of both side walls of the one frame, and stopper protrusions protruding from the inner surfaces of the side walls of the other frame, respectively. The movable frame is prevented from being displaced downward by the engagement of the engagement protrusion and the stopper protrusion at the lower end of the predetermined range.
The screen apparatus according to claim 2, wherein the guide frame has an elastic support member that repels the movable frame downward in the predetermined range.   The one frame is a movable frame, the other frame is a horizontal fixed frame, and the entire movable frame is always accommodated in the internal space of the horizontal fixed frame within the predetermined range in which the movable frame can be displaced. The screen device according to claim 1, wherein the screen device is a screen device.   Regardless of the position of the movable frame in the predetermined range, the upper end of the slidable saddle member is always accommodated in the inner space from the lower end of the horizontal fixed frame and supported by the pair of side walls of the horizontal fixed frame. The screen device according to claim 4, wherein the screen device is provided.   The one frame is a horizontal fixed frame, the other frame is a movable frame, and in the predetermined range in which the movable frame can be displaced, the lower end side of at least the center in the vertical direction of the horizontal fixed frame is the movable frame. The screen device according to claim 1, wherein the screen device is always accommodated in the interior space. Each of the pair of slide frames is formed so that it can be bent by connecting a plurality of guide pieces so as to be bendable between adjacent guide pieces, and on the upper guide rail on a surface disposed on the screen side. And a guide portion for supporting the upper and lower end edges of the screen from its both sides when it is led out onto the lower guide rail, along the longitudinal direction.
The screen device according to claim 1, wherein the screen device is a screen device.   The pair of eaves members includes a fixed eaves member fixed to either one of the left and right vertical frames and a movable eaves member provided to be slidable in the horizontal direction, and the entrance / exit at the upper and lower ends of the fixed eaves member Are established, and one end of each of the pair of slide frames is fixed to the upper and lower ends of the movable rod member, and the other end of each of the slide frames is reciprocally movable inside the fixed rod member through each of the inlets and outlets. The screen device according to claim 1, wherein the screen device is disposed.   The left and right ends of the screen are attached to the fixed rod member, and the other ends are attached to a winding shaft of a screen supported rotatably in the movable rod member. The screen device according to claim 8.   The screen apparatus according to claim 1, wherein the upper guide rail is disposed at a substantially center in the width direction on the lower surface of the movable frame.

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