JP6491500B2 - Screen door - Google Patents

Description

  The present invention relates to a screen door that is used in window frames of houses, offices, and the like and prevents insects and the like from entering the room.

  In recent years, an increasing number of houses have adopted sliding windows that can take in wind and light in places where large openings such as toilets and kitchens cannot be taken.

  When such a sliding window is employed, the screen door cannot be installed outside the window, so the screen door is provided inside the window (shoji).

  When screen doors are installed on the indoor side of a shoji screen, the screen door sill reduces the area of the daylighting part of the shoji screen and the lighting performance of the window is impaired. is there.

  For example, the sash disclosed in Patent Document 1 includes a sash frame attached to a building opening, a shoji that can be opened and closed in the sash frame, and a screen door provided on the indoor side of the shoji in the sash frame. . Moreover, the sash frame is provided with the step part for attaching a screen door, and the screen door collar is mounted | worn between this step part and a shoji. The length and width of the inner law of the sash are longer than the length and width of the inner law of the sash frame, respectively, so that the screen door sword is hidden from view by the sash frame when viewed from the indoor side.

  Moreover, in the structure of patent document 1, in order to make it possible to attach and detach the screen door from the indoor side to the step portion of the sash frame, the horizontal shaft of the screen is expanded and contracted. Specifically, the reed includes a frame that is divided into left and right in the middle, and an insertion member that is slidably inserted into the left and right frames.

  When the left and right frames are brought closer, the width of the heel is reduced, and the screen door attached to the step portion of the sash frame can be removed, and the screen doors are moved closer to each other through the opening of the sash frame. It arrange | positions to a part and it can be attached to the said step part of a sash frame now by spacing apart from flame | frames and expanding the horizontal width | variety of a collar.

  Thereby, it is possible to ensure daylighting without the screen door fence blocking the daylighting part of the shoji.

JP2011-247074

  However, in the conventional structure, the left frame and the right frame are connected via an insertion member, and the frames are brought close to and separated from each other. If the net is fixed to the insertion member, the left and right frames cannot be brought close to each other, and therefore the net cannot be fixed to the insertion member. For this reason, when the net is bent, a gap is generated between the insertion member and the net, and there is a problem that an insect or the like can enter from there, or the aesthetic appearance of the screen door is impaired.

  Accordingly, an object of the present invention is to provide a screen door that can stretch a screen material on all four sides of the heel without blocking the shoji with a heel even if it is removable from the indoor side.

The means for solving the above-mentioned problems comprises a frame formed by combining a pair of vertical rods and a pair of horizontal rods, and a net member provided on the rod, and is attached to a screen door of a building opening. A screen door that is detachably attached to a part, wherein either one of the downspout and the downspout connects the first frame, the second frame, the first frame, and the second frame, and A folding member that is rotatable in the depth direction with respect to the first frame and that is rotatable in the depth direction with respect to the second frame, and wherein the folding member is intermediate in the depth direction. It can be bent . The folding member includes a first connecting portion having one end connected to the first frame, a first link rotatably connected to the other end of the first connecting portion in the depth direction, and one end. Has a second connecting portion connected to the second frame, and a second link connected to the other end of the second connecting portion so as to be rotatable in the depth direction, and the first link and the first link Two links may be connected so as to bend in the depth direction.

  Moreover, you may make it provide the slide bar arrange | positioned in parallel with the said folding member, and being fixed so that a movement in said 1st frame and said 2nd frame is possible. According to this configuration, the slide bar increases the rigidity of the folding member, and the slide bar slides in the first frame and the second frame, so that the folding member can be smoothly bent.

Further, wherein the building opening, the mounting frame is provided opposite to the outer peripheral side surface of the rail, the mounting frame has an insertion hole that faces the outer peripheral side surface of said rail, said pair of stiles and the the indoor side than the network material of one of the stile not provided with the folding member of the pair of Yokokamachi, the mounting of the rail along with rotation being mounted to an axis perpendicular to the depth direction side of the stile lever fixed to the frame are provided respectively, the lever includes a handle that can be projected to the inside of the other hand provided on a side Rutotomoni said one stile to the shaft, on the other side with respect to the axis provided a Rutotomoni extendable hook the outside of one of the rail, projecting the possession outwardly from the outer peripheral side surface of the hook of said one stile and accommodated within said one stile, the possession was inwardly projecting from the inner circumferential side of one of the stile the And the hook may be housed in said one stile. According to this configuration, the screen door can be fixed to the mounting frame simply by rotating the lever, and the handle of the lever can be used as a handle when the screen door is attached or detached. Furthermore, since the handle of the lever is housed in the tub when the screen door is fixed, it cannot be seen in a front view on the indoor side, and the lighting of the window is not impaired.

Further, the screen door is positioned by providing at least one protrusion on the outer peripheral side of the ridge, providing a recess at a position facing the protrusion on the inner peripheral side of the mounting frame, and accommodating the protrusion in the recess . You may make it do. According to the said structure, when a screen door is fixed, it can position easily in the position where a bag is hidden in a building opening part.

  According to the screen door of the present invention, even if it is removable from the indoor side, the shoji is not blocked by the scissors, and the screen material can be stretched on all four sides of the scissors.

It is a longitudinal cross-sectional view which shows the window which concerns on this Embodiment. It is a cross-sectional view which shows the window which concerns on this Embodiment. It is an outdoor side front view which shows the screen door which concerns on this Embodiment. It is a figure explaining the operation | movement of the installation of a screen door, Comprising: The screen door of the state which folded the folding member at the time of installation of a screen door, and shortened the length of the width direction, a part notch, an insertion hole, and a hollow It is a perspective view which shows the attachment frame which enabled it to visually recognize. It is a figure explaining the operation | movement of the attachment of a screen door, Comprising: It is a perspective view which shows the state by which the hook part of the lever was inserted in the insertion hole, and the screen door was temporarily fixed to the attachment frame. It is a figure explaining the operation | movement of attachment of a screen door, Comprising: It is a perspective view which shows the state by which the lever was rotated and the screen door was fixed to the attachment frame. It is a figure explaining operation | movement of a lever, Comprising: (a) shows the cancellation | release state of fixation, (b) is an expanded sectional view which shows the state fixed. BRIEF DESCRIPTION OF THE DRAWINGS It is an enlarged view explaining the structure of a folding member and a slide bar of a recumbent according to this Embodiment, (a) is a partial cross section top view which shows a state with a straight folding member, (b ) Is a longitudinal sectional view of (a), and (c) is a partial sectional plan view showing a state in which the folding member is folded. It is a top view which shows the state which provided the cover in Fig.6 (a).

  Below, based on this illustrated embodiment, it demonstrates, referring drawings. The same reference numerals given throughout the several drawings indicate the same or corresponding parts.

  The invention according to the present embodiment is used as a screen door for a so-called vertical sliding window. However, the type of the window is not limited to this, and is suitable for application to a window in which a shoji is mainly opened from the indoor side such as a push-out window or a fall-down window to the outside of the window.

  As shown in FIGS. 1 and 2, the sash to which the screen door 2 according to the present embodiment is applied extends along the inner periphery of a rectangular building opening 11 a that is an indoor edge of the building opening 11 opened in the building. A frame-like attachment frame 5 attached to the attachment frame 5, a shoji 1 attached to the attachment frame 5 so as to be openable and closable, a screen door 2 provided detachably on the indoor side from the shoji 1 of the attachment frame 5, and a room of the building opening 11 The operation part H which can open and close the shoji 1 from the inside is provided.

  In the embodiment, the attachment frame 5 is a hollow frame attached along the inner periphery of the building opening 11a, which is the indoor edge of the building opening 11, as shown in FIGS. The shoji attaching portion 5a, and the screen door attaching portion 5b provided on the indoor side from the shoji attaching portion 5a, the height and width of the inner method being smaller than the height and width dimensions in the inner method of the shoji attaching portion 5a, The minimum opening portion 5c is provided on the indoor side from the screen door mounting portion 5b, and has an inner height and width smaller than the height and width dimensions of the screen door mounting portion 5b in the inner method. Become. Therefore, the shoji attaching part 5a and the screen door attaching part 5b are both formed in a step shape.

The window frame 1a of the shoji 1 is attached to the shoji attaching portion 5a so as to be freely opened and closed. Moreover, as shown in FIG. 4A, the screen door attaching portion 5b has insertion holes 5d on the left and right sides, and has depressions 5e and 5e at two locations on the lower side. In addition, if the shoji attachment part 5a and the screen door attachment part 5b of the attachment frame 5 are provided, an internal structure will not be limited to the above-mentioned place.

  Hereinafter, the opening and closing operation of the sash will be briefly described. The shoji 1 is attached to the attachment frame 5 so that one end thereof can slide and rotate in the lateral direction, and the arm driven by the operation of the operation unit H is hinged to the attachment frame 5 and the shoji 1. . Then, when the arm is driven by the operation unit H to push the shoji 1 out of the window, one end of the shoji 1 slides with respect to the mounting frame 5 and the other end opens to the outdoor side. The whole can be opened. On the other hand, when the operation unit H is driven in the reverse direction, the shoji 1 is drawn to the attachment frame 5 side by the arm, and the shoji 1 can be closed. In addition, the structure for opening the shoji 1 is not limited to this.

  In this case, the shoji 1 is formed by stretching two glass plates 1b with a frame-shaped spacer 1c sandwiched between the window frame 1a. Thus, since the shoji 1 is provided with an air layer between the two glass plates 1b, 1b, the heat insulating function of the air layer exerts a heat insulating function.

  For the glass plate 1b, well-known materials and plate thickness dimensions may be used, and a heat ray is included to form a dew condensation prevention structure, or a special metal film is provided on the surface facing the air layer. It may be coated to improve heat shielding properties.

  Although the shoji 1 according to the present embodiment has two glass plates 1b, the number of the glass plates 1b may be any number because it does not impede the implementation of the present invention.

  As shown in FIG. 3, the screen door 2 includes a frame-like ridge 3 formed by combining a pair of vertical ridges 3 a, 3 a and a pair of horizontal ridges 3 b, 3 b, a mesh member 4 that is a mesh-like face material, The screen 4 is provided with a screen door rope 10 for fixing the material 4 to the vertical rods 3a, 3a and the horizontal rods 3b, 3b.

  As shown in FIG. 2, the vertical rod 3 a is a hollow channel material, and two protrusions 3 e are provided on the outdoor side surface in the depth direction. A groove 3c is formed by the protrusion 3e and the outdoor side surface of the vertical rod 3a.

  As shown in FIGS. 6 (a) and 6 (c), the recumbent frame 3b has a hollow first frame 3h and a second frame 3i provided on the left and right sides, and a first frame 3h and a second frame 3i, respectively. The folding member 12 that is pivotably connected in the depth direction and can be bent in the middle in the depth direction, and is arranged in parallel to the folding member 12 and is movably fixed in the first frame 3h and the second frame 3i. The slide rod 7 is provided.

  As shown in FIGS. 3 and 6 (b), the first frame 3h and the second frame 3i are provided with three projections 3f at the outdoor end, and these projections 3f and the first frame 3h, Two grooves, an inner groove 3j and an outer groove 3k, are formed at the outdoor end of the second frame 3i. Further, as shown in FIGS. 6A and 6C, a hollow slide case 8 is accommodated and fixed inside the first frame 3h and the second frame 3i. The slide case 8 has a cylindrical shape, and is provided on the left end side in the drawing with respect to the first frame 3h, and is provided on the right end side in the drawing with respect to the second frame 3i. Further, each of the slide cases 8 includes a reduced diameter end portion 8a whose inner circumference is reduced in diameter at the end.

As shown in FIGS. 6A to 6C, the folding member 12 according to the present embodiment is provided at each end of the folding member 12, and the inner groove 3j of the first frame 3h and the second frame 3i. are linked via a fitting portion 12d to be fixed fitted respectively to 3j, the connection portion 12a, 12a having a 12d, a first joint 12e in the counter fitting portion 12d side of one of the first connection portion 12a One end of the first link 12b is connected to the first link 12b via the second joint 12f, and the other end is connected to the anti-fitting portion 12d side of the other second connection portion 12a via the third joint 12g. The second link 12c is provided. The first joint 12e, the second joint 12f, and the third joint 12g are both connected to each other so that the two members connected to both sides can rotate in the depth direction around the two members. It folds as the center.

  More specifically, as shown in FIGS. 6A and 6C, in the present embodiment, the first joint 12e and the third joint 12g are on the indoor side, and the second joint 12f is on the outdoor side. The first link 12b and the second link 12c can be turned to the outdoor side by reducing the thickness. Further, the connection between the first link 12b and the second link 12c may be reinforced by attaching a reinforcing tape. In addition, the structure of the 1st joint 12e, the 2nd joint 12f, and the 3rd joint 12g is not limited to this, For example, you may be set as couplings, such as hinge coupling | bonding.

  According to this structure, when the first frame 3h and the second frame 3i are brought close to each other, the first joint 12e and the third joint 12g rotate in the depth direction, and the second joint 12f bends in the depth direction. As shown in FIG. 6 (c), 12 is folded like a scale insect operation.

  Moreover, the slide bar 7 is a round bar-like member provided with reduced diameter portions 7a that are reduced in diameter at both ends. The slide bar 7 is slidably accommodated in a slide case 8 provided inside the first frame 3h and the second frame 3i. The slide bar 7 is slidable with respect to the slide case 8, and guides the approach and separation of the first frame 3h and the second frame 3i in the axial direction. The reduced diameter portion 7a of the slide bar 7 can pass through the inner periphery of the reduced diameter end portion 8a of the slide case 8, but other portions cannot pass through. Therefore, the closest approach distance between the first frame 3h and the second frame 3i is restricted with respect to the slide bar 7 to prevent further approach. The shape of the slide bar 7 is not limited to a round bar shape, and may be, for example, a triangular cross section or a square cross section.

Further, the connecting portion 12a, the first link 12b, and the second link 12c of the folding member 12 have outer grooves provided in the first frame 3h and the second frame 3i when the folding member 12 is straightened. 3k and a series of grooves are provided.

The fitting portions 12d and 12d of the folding member 12 are fitted and fixed in the inner grooves 3j and 3j of the first frame 3h and the second frame 3i, respectively, so that the folding member 12 and the first frame 3h are fixed. Then, the second frame 3i is integrated to form the horizontal bar 3b. Then, an outer groove 3k of the first frame 3h and second frame 3i, connecting portions 12a, 12a, the first link 12b, and the groove provided in the second link 12c connected series to the outdoor side end of Yokokamachi 3b The groove 3d is formed.

  The fitting portions 12d and 12d are fitted and fixed in the inner grooves 3j and 3j of the first frame 3h and the second frame 3i, respectively, but the fitting portion 12d and the inner groove 3j are bonded with an adhesive or the like. You may make it impossible to separate.

  The vertical rod 3a and the horizontal rod 3b are connected via the corner block 13 to form the rod 3. The corner block 13 is an L-shaped member that is provided at the four corners of the ridge 3 and has insertion portions that project to the vertical ridge 3a and the horizontal ridge 3b, respectively, and is provided inside the vertical ridge 3a and the horizontal ridge 3b. By inserting the insertion part of the block 13, it can be fitted and the vertical rod 3a and the horizontal rod 3b can be connected.

  Also, the corner block 13 is provided with grooves 3g similar to the vertical rod 3a and the horizontal rod 3b on the outdoor side surface. When the vertical rod 3a and the horizontal rod 3b are connected via the corner block 13, these grooves are formed. Connected, a series of grooves are provided on all four sides of the cage 3. In addition, you may connect the vertical gutter 3a and the horizontal gutter 3b directly without passing through the corner block 13. FIG.

  Further, the inner width of the vertical rod 3a of the vertical rod 3a, that is, the inner peripheral surface interval between the vertical rods 3a, 3a is longer than the length in the internal width direction of the minimum opening 5c of the mounting frame 5, The distance between the inner peripheral surfaces of the horizontal ribs 3b, 3b is set to be longer than the length in the inner height direction of the minimum opening 5c of the mounting frame 5. Thereby, when the screen door 2 is attached to the screen door attaching portion 5b, the eaves 3 are hidden by the minimum opening portion 5c of the attachment frame 5 and cannot be seen in a front view seen from the indoor side, and the sash lighting performance can be secured. It can be done without compromising aesthetics

  In the present embodiment, the eaves 3 are hidden by the minimum opening 5c of the mounting frame 5 provided along the inner periphery of the building opening 11a. Only the length in the width direction and the height direction of the opening 11a may be shortened to create a step that hides the flange 3. In this case, the mounting frame 5 is not necessary, and thus the material is reduced. be able to.

  Moreover, as shown in FIG. 3, the protrusions 13a and 13a are provided in the lower end of the corner block 13 of the reed 3b, respectively. The protrusions 13a and 13a are inserted into the recesses 5e and 5e provided in the screen door mounting portion 5b, respectively, when the hook 3 is fitted into the screen door mounting portion 5b.

  The mesh material 4 is a mesh-like rectangular surface material, the four corners of which are fixed to the vertical rods 3a, 3a and the horizontal rods 3b, 3b, and are stretched on the outdoor side of the rod 3, so that insects enter the room. Shut off. Moreover, although a material is not specifically limited, the net | network material used for a normal screen door can be used. Examples thereof include a net material made of stainless steel, polypropylene, glass fiber, polyvinyl chloride, polyester, or the like.

  The screen door rope 10 is a rope formed in an annular shape, and is formed in a groove 3c provided on the outdoor side surface of the vertical rods 3a, 3a and a groove 3d provided on the outdoor side surface of the horizontal rods 3b, 3b. The screen material 4 is fixed to the eaves 3 by inserting the screen door rope 10 into the grooves 3c and 3d with the four corners wound.

  In addition, although the material of the screen door rope 10 is not specifically limited, since the screen door rope 10 is inserted in the groove | channels 3c and 3d provided in the outdoor side of the vertical rod 3a and the horizontal rod 3b as mentioned above, it is flexible. A material such as a rubber-based material is preferable.

  The screen door 2 having the above-described configuration folds the folding member 12, folds the horizontal wing 3 b like a scale insect, and closes the first frame 3 h and the second frame 3 i, thereby narrowing the width dimension of the heel 3. be able to.

  Moreover, since the ridge 3 is provided with a series of grooves on all four sides, the net 4 can be fixed on all four sides.

  Further, as shown in FIG. 7, a U-shaped cover 14 is provided on the horizontal bars 3 b and 3 b according to the present embodiment so as to surround the folding member 12 and the slide bar 7. The cover 14 is provided so that the opening of the cover 14 is on the folding member 12 side and the bottom is on the slide rod 7 side, and does not obstruct the folding member 12 from being folded.

  Moreover, as shown in FIGS. 4B, 5A, and 5B, the vertical hooks 3a, 3a according to the present embodiment are inner peripheral surfaces that are the faces of the vertical hooks 3a, 3a facing each other. The housing part 3l and a pair of levers 6 and 6 are provided. The lever 6 has a handle 6a and a hook 6b at one end extending to the inner peripheral side and the other end extending to the outer peripheral side with a shaft 6c fixed in the vertical rod 3a as a boundary. The shaft 6c is provided perpendicular to the side surface in the depth direction with respect to the vertical rod 3a. Therefore, the lever 6 can be rotated clockwise and counterclockwise with respect to the vertical rod 3a when viewed from the indoor side. Then, when the lever 6 is rotated and the handle 6a is protruded to the inside of the hook 3, the hook 6b is accommodated in the vertical hook 3a, and conversely, the lever 6 is rotated to move the handle 6a vertically. When accommodated in the flange 3a, the hook 6b protrudes to the outside of the flange 3a.

  The accommodating part 3l provided in the inner peripheral surface of the vertical rod 3a should just be a hollow of the magnitude | size which can accommodate the length and thickness of the handle 6a of the lever 6 at least.

  Hereinafter, a method for attaching the screen door 2 will be described in detail. First, as shown in FIG. 4 (a), the operating unit H is driven to open the shoji 1 slightly, and then the folding members 12 of the reeds 3b and 3b are folded as if they were a beetle-worming operation. The upper end is inclined so as to be slightly inclined toward the room side, and is inserted into the mounting frame 5 from the lower end side. At this time, by holding the handle 6a with both hands so that the handle 6a protrudes to the inside of the bag, the bag 3 can be inserted into the screen door attaching portion 5b with the folding member 12 folded. Further, when the handle 6a is protruded into the bag, the hook 6b is housed in the vertical rod 3a. Therefore, the hook 3b is passed through the minimum opening 5c of the mounting frame 5 and the screen door mounting portion When inserting into 5b, the hook 6b does not get in the way. In addition, according to this method, when the screen door 2 is put into the mounting frame 5, it is not necessary to tilt the screen door 2 at a large angle. .

  Next, the screen door 2 is positioned by inserting the projection 13a provided on the lower side ridge 3b in accordance with the recess 5e provided on the lower screen door mounting portion 5b of the mounting frame 5, and FIG. As shown in FIG. 2, the lever 6 provided on the vertical rod 3a, 3a is rotated to accommodate the handle 6a in the vertical rod 3a, and the hook 6b is protruded from both sides of the vertical rod 3a. Into the insertion hole 5d.

  Then, as shown in FIG.4 (c), the hook 6b is hooked on the screen door attaching part 5b, and the screen door 2 is fixed to the screen door attaching part 5b.

  Moreover, when removing the screen door 2, the screen door 2 can be removed by following the procedure completely opposite to the above.

  According to this invention, if it is a normal screen door, if the width of the mounting frame 5 is set narrower than the width of the screen door, it is difficult to attach and remove from the indoor side, The horizontal bar 3b according to the present embodiment is connected to one of the vertical bar 3a and the horizontal bar 3b so as to be pivotable in the depth direction with respect to the first frame 3h and the second frame 3i. 6 (c), the first joint 12e and the third joint 12g rotate in the depth direction, and the second joint 12f is By folding in the depth direction, the folding member 12 is folded like a scale insect operation, and the inner circumferential interval between the vertical rods 3a, 3a can be temporarily made shorter than the length in the width direction of the inner frame of the mounting frame 5. it can. Therefore, the screen door 2 can be attached and removed from the indoor side.

  Further, since the slide bar 7 is provided in parallel with the folding member 12 and is movably fixed in the first frame 3h and the second frame 3i, the slide bar 7 increases the rigidity of the folding member 12. At the same time, when the first frame 3h and the second frame 3i are brought close to each other and the folding member 12 is folded, the slide bar 7 slides in the slide case 8 attached to the side wall 3b, and the first frame 3h. And the movement of the second frame 3i can be made smooth.

  Further, the reduced diameter portion 7a of the slide bar 7 can pass through the inner periphery of the reduced diameter end portion 8a provided at the end of the slide case 8, but the other portions cannot pass therethrough. When the frame 12 is folded, the slide frame 7 is prevented from excessively approaching the first frame 3h and the second frame 3i, so that an excessive compressive force is not applied to the folding member 12. The

Moreover, in the screen door 2 according to the present embodiment, the folding member 12 of the horizontal ridge 3b is also provided with a groove for fixing the mesh material 4, so that the mesh material 4 is fixed to all four sides of the ridge 3. The net 4 is firmly stretched and is not easily bent.

  Further, as shown in FIG. 7, since the U-shaped cover 14 is provided on the lateral ribs 3 b and 3 b so as to surround the folding member 12 and the slide bar 7, the first frame 3 h and the second frame 3 b are provided. While guiding the approach of the frame 3i, the slide bar is concealed when viewed from the front on the indoor side, and the aesthetic appearance of the screen door 2 is not impaired. Further, a claw facing inward may be provided at the opening end of the cover 14 so that the cover 14 does not come off from the first frame 3h and the second frame 3i.

Further, the vertical rod 3a, 3a has an accommodating portion 3l and a pair of levers 6, 6 on the inner peripheral surface, and as shown in FIG. 5 (a), at a position facing the outer peripheral surface side of the vertical rod 3a. The hook 6b is inserted into the insertion hole 5d of the mounting frame 5 to be provided, and as shown in FIG. 5B, the lever 6 is rotated toward the inner peripheral surface of the vertical rod 3a, whereby the handle 6a is The hook 6 b is hooked on the outer periphery of the attachment frame 5 and the screen door 2 is fixed to the screen door attachment portion 5 b of the attachment frame 5. As a result, since the handle 6a is accommodated in the accommodating portion 3l when the screen door 2 is fixed, the lever 6 is hidden behind the minimum opening 5c of the mounting frame 5 and is not visible in the front view on the indoor side. Does not spoil the sex. Further, since inward tension acts on the collar 3 from the net 4 stretched on the inner periphery, the long side of the collar 3 in this case, in this case, the vertical collar 3a is easily bent inward. Since the lever 6 fixes the vertical hook 3a while pulling outward, the vertical hook 3a can be prevented from being bent. When the horizontal bar 3b is long, the folding bar 12 may be provided on the vertical bar 3a, and the lever 6 may be provided on the horizontal bar 3b to prevent the horizontal bar 3b from bending.

  Further, as shown in FIG. 3, two protrusions 13a and 13a are formed on the outer peripheral surface of the lower side ridge 3b in the figure so as to face the depression 5e provided in the lower screen door mounting portion 5b of the mounting frame 5. By providing each, the projection 13a is accommodated in the recess 5e when the screen door 2 is attached, and the screen door 2 can be positioned at a position where the lever 6 and the insertion hole 5d face each other, and the wobbling of the screen door 2 can be prevented. In the present embodiment, two projections 13a and two depressions 5e are provided. However, if one or more projections are provided, the positioning function is sufficient, and the number of projections 13a and depressions 5e is increased. The effect of preventing wobble is increased.

  Although the preferred embodiments of the present invention have been described in detail above, it is obvious that modifications, changes and modifications can be made without departing from the scope of the claims.

DESCRIPTION OF SYMBOLS 1 Shoji 2 Screen 3 框 3a Vertical 3b Horizontal 3h 1st frame 3i 2nd frame 4 Net material 5 Mounting frame 5b Screen door mounting part 5d Insertion hole 5e Depression 6 Lever 6a Handle 6b Hook 7 Slide bar 11a Building opening 12 Folding member 13a Protrusion

Claims (5)

A pair of scissors and a pair of reeds formed into a frame shape;
Comprising a net provided on the heel,
Buildings with a rectangular screen door mounting portion, provided in the indoor side of the screen door mounting portion, and the height and small rectangular opening than the width the height and width of the inner size is in clear width of the screen door mounting part, a In the screen door detachably attached to the screen door mounting portion of the opening,
The height and width dimensions of the inner inner method are set larger than the inner height and width of the opening,
One of the vertical rod and the horizontal rod is connected to the first frame, the second frame, the first frame, and the second frame, and is rotatable in the depth direction with respect to the first frame. A folding member that is rotatable in the depth direction with respect to the second frame,
The screen door characterized in that the folding member can be bent in the depth direction in the middle . The folding member has a first connection part whose one end is connected to the first frame, a first link connected to the other end of the first connection part so as to be rotatable in the depth direction, and one end of the first folding part. A second link connected to the second frame; and a second link rotatably connected to the other end of the second link in the depth direction, the first link and the second link Are connected so that they can be bent in the depth direction.
The screen door according to claim 1. Wherein arranged in parallel to the folding member, screen door according to claim 1 or 2, characterized in that it comprises a sliding rod which is movably secured to said first frame and said second frame. Wherein the building opening, the mounting frame is provided opposite to the outer peripheral side surface of the stile,
The mounting frame has an insertion hole facing the outer peripheral side surface of the flange,
Wherein the interior side of a pair of stiles and the network material of one of the stile not provided with the folding member of the pair of Yokokamachi, rotatably mounted on an axis perpendicular to the depth direction side of the stile And a lever for fixing the flange to the mounting frame .
The lever, the protruding and whereas provided on a side Rutotomoni handle to be projectable above the inner one of the stile to the axis, to the outside of Rutotomoni said one stile is provided on the other side with respect to the axis With possible hooks,
The possession projecting the hand to accommodate the in said one stile outward from the outer peripheral side surface of the hook of said one rail, the retention the hook and is projected hand inward from the inner circumferential side of one of the stile said is screen door according to any one of claims 1 to 3, characterized in that it is accommodated in said one stile. The provided at least one projection on the outer peripheral side of the stile,
A recess is provided at a position facing the protrusion on the inner peripheral side of the mounting frame,
By accommodating the projection in the recess above, screens of claim 4, wherein the you position the screen door.

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