JP2010159551A - Device for stretching screen on sash framework body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for stretching a screen on a sash framework body, which enables the screen such as a net to be evenly stretched without being twisted, even by an amateur, and which facilitates the operation of stretching the screen. <P>SOLUTION: In this sash framework body which is provided with a dovetail groove-shaped recessed groove for stretching the screen, an expansion net frame 1, in which a hollow bead attachment piece 3 made of an extruded shape is arranged at each end of the screen 2, has vertical and horizontal widths changed by protrusion/receding adjustment of a corner piece 5 for connection to both the adjacent bead attachment pieces 3; the corner piece 5 is formed in an L-shape in which a connecting piece 27 inserted into both the adjacent bead attachment pieces 3 in such a manner as to be capable of protruding from/receding into them is protrusively provided on a corner block; and a protrusion 31, to which the screen 2 is connected at a corner by piercing, is formed in the corner block. The expansion net frame 1, which is precedently reduced by being connected to the protrusion 31 in the state of sagging the screen, is expanded so that each of the bead attachment pieces 3 and the corner piece 5 can be fitted into the recessed groove together with an end of the screen 2. Thus, the screen 2 is tensioned without being sagged. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a window frame that is fitted to a building frame, or a screen door that is slidably or fitted to the window frame (in this specification, the window frame and the screen door are referred to as a “sash frame assembly”). The present invention relates to a screen sticking device for a sash frame assembly devised for mounting a screen such as a net.

  Conventionally, in order to stretch a net on a screen door or the like, a dovetail groove is formed at a position along the inner periphery of the frame, and the end of the net is pushed into the groove together with the presser edge, thereby Is sandwiched between both side surfaces of the groove. A rubber strap that is extruded into a round cross section or a hard plastic profile that is extruded into a bifurcated cross section is used for the press rim, but it is important to apply a deformable mesh material evenly along the four sides. It is extremely difficult with the technology of the degree, for example, in the case of rubber strap, it is generally a work procedure to edge clockwise, but it is very difficult to stretch evenly, such as loosening and wrinkle unless it is an expert There were difficulties.

  As an object for solving such a problem, the one described in Patent Document 1 can be cited. This will be described with reference to FIG. 8. In this case, the sash frame assembly is a window frame in which a double-glazed shoji is mounted in a protruding manner, and the opening is slightly narrowed by a step inside the shoji fitting position. In the inner periphery of the opening, dovetail grooves 113 and 114 are provided along the step to stretch the insect net 102, and the upper and lower groove 113 sides ( Fig. A), in order to attach the edge guard 103 to the upper and lower ends of the insect screen 102 in advance, it is formed in a hollow having a slit 121 at the bottom, and escapes into the slit 121 inside the edge guard 103 at the end of the insect screen 102. A bulging strip 133 that is impossible is formed. As a result, the edge of the insect screen is pressed against the concave groove 113 by the pressing edge 103 so that it cannot escape. On the other hand, as for the left and right concave grooves 114, 114 (FIG. B), the both ledge guards 104 have a bifurcated cross section in which a pair of check legs project, and the insect screen 102 is pressed against the concave grooves 114 on the side surfaces. It was only stopped.

JP 2008-50805 A

According to the apparatus for attaching a mesh material to the sash frame assembly described in Patent Document 1,
This is thought to be a process in which the top and bottom are stretched first and then to the left and right. However, it is difficult to evenly stretch the mesh material, and the insect screen 102 is attached to the pusher tabs 103 and 103 because the bulging strips 133 and 133 cannot escape from the upper and lower ends, and the shape changes from the beginning. Therefore, the mounting to the upper and lower concave grooves 113 and 113 is relatively easy. However, since the shape of both sides of the insect screen is easy to change freely, it is very difficult to push it into the concave groove together with the edge guard 104 attached to the end of the insect screen. was there.

  In the present invention, in view of the above situation, the sash frame assembly is provided with a concave groove, and the end of the screen is held down by a pushing ledge. A screen sticking device for a sash frame assembly that can be pushed evenly into an unbroken screen, even if it is an amateur, so that the work can be done easily because it can be pushed into the groove after shaping. It was an issue to provide.

  In order to solve the above-described problems, the present invention relates to a sash frame assembly in which a dovetail groove is provided on the inner periphery where the vertical frame and the upper and lower frames are framed. A stretchable mesh frame having a hollow ledge with an extruded shape at each end of the screen is framed, and the stretchable frame is vertically and horizontally adjusted by adjusting the corner pieces for connection to and from adjacent push ledges. The corner piece is an L-shape in which a connecting piece that is inserted into an adjacent push ledge inserter so as to be able to go in and out is protruded from the square block, and the corner block has a screen. Protrusions that are joined by piercing at the corners are formed, and the elastic net frame that has been reduced by slackening the screen and joining it to the projections, expands each ledge and corner piece by expansion. By fitting the groove with a clean edge, to provide a screen-clad deposition apparatus for sash framework body formed screen is without slack tension.

  Since the screen tensioning device for the sash frame assembly is configured as described above, the expansion frame is assembled by framing the screen in a contracted state, and expanded while attaching the presser edge and the corner piece to the concave groove of the sash frame assembly. The screen can be attached by inserting it into the concave groove together with the edge of the screen. In this case, in the initial reduced state, the corners of the screen are loosened and hooked on the projections of the corner pieces, so that each corner of the screen can be expanded.

  As described above, according to the present invention, the sash frame assembly is provided with an ant-shaped concave groove, and the end of the screen is held by the pressing edge and the corner piece. Since the framework can be expanded and pushed into the concave groove after it is preliminarily arranged in advance, there is no deformation in the meantime, and even an amateur can stretch the screen such as a net evenly, When the corner piece is moved to the outside, tension is secured, and the edge of the screen can be pressed into the concave groove along the four sides together with the pressing edge, so that the work is extremely easy.

  In addition, according to the second and third aspects, the operation is further facilitated, and at the same time, the tension and the mounting strength of the screen are further ensured.

It is a schematic longitudinal cross-sectional view of the window frame which shows one Example of this invention. (Example 1) It is a schematic cross-sectional view of the same window frame shown toppling left side up. (Example 1) It is an expanded sectional view of the A section of FIG. (Example 1) It is an expanded sectional view of the B section of FIG. (Example 1) It is a disassembled perspective view which shows a part of elastic network frame concerning this invention. (Example 1) It is a partial top view shown in the contracted state before mounting | wearing the same expansion net frame. (Example 1) It is a partial top view shown in the enlarged state when mounting | wearing with the said expansion-contraction net frame. (Example 1) It is each sectional drawing which shows the ditch | groove part (a figure) of the upper frame which shows a prior art example, and the ditch | groove part (b figure) of a vertical frame. (Conventional example)

  Next, representative embodiments of the present invention will be described.

The sash frame assembly is not only a window frame W that is opened and closed by a shoji, but also a mesh window that is a window frame as a simple opening, or a screen door that is fitted into the window frame.
In addition, the screen may be a paper screen or a paper cloth as well as a insect screen.

    1 to 7, the sash window frame W opened and closed by the shoji 11 is a sash frame assembly. The insect screen 2 as a screen is attached to the frame by the frame of the pusher tabs 3, 3, 3, 3, and corner pieces 5, 5, 5, 5 are used for the frame. That is, the stretchable net frame 1 on which the insect repellent net 2 is stretched is assembled with the edge guard and the corner piece, and is assembled into the window frame W.

  The window frame W is composed of left and right vertical frames 7 and 7 and upper and lower frames 8 and 8, and the interior half is slightly narrowed by the respective central steps, and the double-glazed paper screen 11 is formed on the exterior half. The insect repellent net 2 is attached in close proximity to the indoor half. Accordingly, the upper and lower frames 8 and 8 and the vertical frames 7 and 7 are provided with recessed grooves 13, 13, 14, and 14, respectively, along which the recessed edges 13, 14 are opened. It is a so-called dovetail having protrusions 17 and 17 at the edges. Moreover, the non-return protrusion 19 is protrudingly provided by the one side inner surface.

  The pusher edge 3 constituting the stretchable net frame 1 is made of a plastic extruded shape and is hollow with a rectangular cross section, and a thin slit 21 through which the insect repellent net 2 is passed is provided at the bottom. A long leg 23 and a short leg 24 project from the bottom side near the indoor side edge and the outdoor end, respectively (FIGS. 3 and 4). Is configured to hold the end of the insect screen 2. Further, soft or semi-rigid non-return fins 25, 25, 25 are provided on both outer surfaces. However, the check fin 25 is not shown in FIGS. 5, 6, and 7, and a protrusion 26 is formed instead.

  The corner piece 5 has connecting pieces 27 and 27 to be inserted into both of the corner pushers 3 and 3 on the corner block 5a, and further, a finger hook 29 is projected from the corner block 5a on the inner corner portion. (See FIGS. 5, 6, and 7), and the protruding portion 31 is formed so as to be cut later. In addition, a thin protrusion 31 into which the insect repellent net 2 is pierced is provided at one side of the corner block 5a. In addition, although the finger hook 29 is a triangle, it is formed in a ring shape or other shapes.

  The insect net 2 is provided with an edge tape 32 made of cloth on each side of a rectangle, and a bulge 33 is formed of soft plastic at the end. The bulge 33 is located inside the slit 21 of the presser foot 3. Be hooked on. Therefore, when assembling each of the ledges 3, first, the ledges 3 are inserted into the bulging strips 33 from the ends and then reversed so that the bottom on the slit 21 side is reversed to the outside of the frame. A state is obtained in which the edge tape 32 is rotated from one side surface to the bottom portion of the pressing edge attachment 3. In this state, the telescopic frame 1 is assembled by inserting the corner piece 5 into the pusher tabs 3 and 3 at each corner, but when the bulge 33 hits the connecting pieces 27 and 27 of the corner piece 5. The insect net 2 is notched at each corner so that the bulges 33 are absent. The insect net 2 is stabbed into the protrusion 31 at the notched corner 35 left in this way.

  FIG. 6 shows a contracted state immediately before the telescopic mesh frame 1 is fitted into the window frame W, and the connecting pieces 27 and 27 of the corner piece 5 are deeply fitted into the two pusher tabs 3 and 3. Since the insect net 2 is hooked on the protrusion 31, slack 36 is generated at each notch corner 35. If the length of the stretchable network frame 1 at this time is La and the width is Ma, the dimensions La and Ma are roughly equivalent to the vertical and horizontal internal methods so that they can be inserted into the opening of the indoor half of the window frame W. deep.

  When the insect net 2 is stretched, the elastic net frame 1 is inserted into the opening of the window frame W while holding the finger hooks 29 and 29, and the corner pieces 5 and 5 are attached to the positions of the concave grooves 13 and 14 in the outer angle direction. Press to. In this case, if the finger rest 29 is operated all at the same time or a pair of left and right and top and bottom, it is easy to expand the stretchable net frame 1. FIG. 7 shows the expanded state. This is the maximum longitudinal length L and lateral length M, and in this state, the pusher tabs 3, 3, 3, and 3 are fitted into the concave grooves 13, 14 so as not to escape. Therefore, the tension state of the insect screen 2 is maintained. In this case, the appearance is designed so that each of the pushing edge attachments 3 is flush with the inner peripheral surface 30 of the window frame W. In order to further improve the appearance, the inner peripheral surface 30 of the window frame W is made of a plastic-coated surface of the same and same color as that of the presser tab 3.

  In the present invention, a groove is provided in the sash frame assembly, and the end of the screen is held down by a pressing ledge. Since it can be pushed in, even if it is an amateur, a screen, such as a net, can be stretched evenly, and it can be used for a screen sticking device for a sash frame assembly that is easy to work.

W Window frame as sash frame assembly 1 Retractable net frame 2 Insect repellent screen 3 Peg edge 5 Corner piece 7 Vertical frame 8 Vertical frame 13, 14 Groove 21 Slit 25 Reverse fin 27 Connecting piece 29 Finger hook 31 Projection 32 Edge tape 33 bulge 35 cutout corner

Claims (3)

  In a sash frame assembly in which a dovetail groove for wearing a screen is provided on the inner periphery where the vertical frame and the upper and lower frames are framed, a hollow made of an extruded profile is formed at each end of the screen for the screen. The telescopic mesh frame is provided with a presser foot, and the telescopic screen frame is configured so that the vertical and horizontal widths change according to the adjustment of the corner pieces for connection to and from the adjacent press foots. The connecting piece that can be inserted into and removed from the adjacent both edge ledges is L-shaped projecting from the corner block, and the corner block has a projection that is joined by piercing at the corner. The expansion and contraction network frame, which has been reduced by slackening the screen and joining it to the projection, expands and inserts each ledge and corner piece into the concave groove together with the end of the screen. And, the screen Zhang desorption device for sash framework body formed without slack tensing the screen.   The corner piece is provided with a finger hook that pushes it into the concave groove together with the edge lip and the edge of the screen, and the finger hook protrudes from the square block at the inner corner of the L shape, forming a slit through which the screen is passed through the hollow bottom. In each of the sides of the screen, bulging strips that hang on the slits in the hollows of the ledges are provided via edge tapes made of cloth, and each edge tape of the screen bypasses from one side to the bottom It is pressed against the inner surface of the concave groove, a notch is provided at each corner of the screen, and the bulge is removed leaving the corner where the projection is applied so that the connecting piece of the corner piece is not supported. The screen sticking device for the sash frame assembly according to claim 1, The screen sticking device for a sash frame assembly according to claim 1 or 2, wherein a non-returning fin corresponding to a clearance angle is provided on both outer surfaces of the pressing lug.

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