JP4919066B2 - Screen door fall prevention device - Google Patents

Description

  The present invention relates to a screen door fall prevention device that prevents a screen door from falling even if the screen door is detached from the frame.

Conventionally, as shown in FIG. 10 to FIG. 12 of Patent Document 1, in order to prevent the screen door from being detached from the frame body, the tip of the stopper that is attached to the top door of the screen door with a screw is placed on the frame body. It is known to limit the distance that the screen door can move up and down short by approaching the rail of the frame. However, since the screen door described in Patent Document 1 only restricts the upward movement of the screen door by preventing it from coming off, a load exceeding the limit acts on the screen door due to an extreme storm or carelessness, and the screen door bends. In this case, there was a problem that the screen door fell off the frame body.
Therefore, as shown in FIGS. 1 to 9 of Patent Document 1, a rectangular tube-shaped rail is attached to the outside of the upper frame along the upper frame along the entire length of the upper frame, and the width of the lower wall of the rail An opening extending linearly along the rail is formed at the center in the direction. Also, engaging members are respectively attached to the upper end portions of the left and right vertical frames of the screen door, and enlarged portions having a width larger than the width of the opening portion of the rail are formed at the upper end portions of the engaging members. Even if the screen door is engaged with the rail and the screen door is completely detached from the frame body, the enlarged portion of the engaging member is engaged with the rail, and the screen device is suspended from the rail, so that the screen device does not fall. Proposed. The opening portion of the rail is formed with two notch portions having a wider width, and the width of the enlarged portion formed in the engaging member is set slightly smaller than the width of the notch portion. The interval between both engaging members is set to be the same as the interval between both notches of the rail. To attach the screen door to the frame, first align each mesh door engagement member with the position of each notch in the rail, then lift the screen door and place the enlarged portion of each engagement member into the rail through this notch. insert. Next, the screen door is further lifted, the groove of the upper frame of the screen door is fitted into the lower end of the upper rail of the upper frame of the frame body, the screen door is lowered, and the door frame of the lower frame of the screen door is moved to the lower frame of the frame body. Place on the lower rail. Thereafter, the screen door is moved to the left or right side.

JP 2005-213901 A

1 to 9 of Patent Document 1, it may be considered that the screen door is left in a position where the screen door is attached to the frame body while the screen door is opened or closed. Therefore, when the screen door is bent due to extreme storms or carelessness, when the mesh door is placed at the position where the engaging member is located in the notch, the screen door is deflected due to the load exceeding the limit acting on the screen door. In addition, there is a problem that the screen door falls off the frame body. In addition, even when the screen door is not placed at the position where the engaging member is located in the notch, the horizontal door is left and right without knowing that the screen door is off the frame body without knowing that the screen door is off the frame body. When moving to, there is a problem that the mesh member falls because the engaging member comes off the notch. Moreover, since two engaging members are required to be attached to the upper end of the vertical frame of the screen door, if the two engaging members are attached to each other at an angle, it becomes difficult to attach the screen door to the frame body, and the left and right sides are opened and closed after mounting. There is also a problem in that the movement between the engaging member and the fall prevention rail increases when moving, resulting in poor movement. Moreover, since the fall prevention rail is attached to the outdoor side of the upper frame, there is also a problem that the appearance is deteriorated.
Accordingly, an object of the present invention is to solve the above-described problems, and an object of the present invention is to provide a screen door fall prevention device that reliably prevents the screen door from falling.

The present invention relates to a screen door fall prevention device that prevents a screen door that is fitted to the frame body so that it can be opened to the left and right, and includes a fall prevention piece that can be secured to the upper part of the screen door, and the frame prevention direction width of the fall prevention piece An engagement portion with a large frame expectation direction width is provided at the top of the neck portion and the upper portion of the neck portion, and is larger than the frame expectation direction width of the neck portion of the fall prevention piece between the upper frame and the outdoor outer piece of the upper frame. A drop-preventing frame material is provided that forms a moving gap with a width smaller than the width of the drop-preventing piece engaging portion in the frame expectation direction, and forms an engaging space that can accommodate the engaging portion of the drop-preventing piece above it. An attachment / detachment opening longer than the length of the screen door opening / closing direction of the fall prevention piece is provided in the prevention frame member, and the fall prevention piece having the engagement portion engaged with the engagement space from the attachment / detachment opening is not opposed to the attachment / detachment opening in the screen door moving area. Of the fall prevention piece with the screen door attached to the fall prevention piece. Engaging portion is characterized in that so as not to be detached from the drop prevention frame member (claim 1).
Further, the present invention provides a long hole in the vertical direction in the fall prevention piece, and the screw portion and the screw hole are screwed so that the distance between the head of the set screw attached to the long hole and the screen door is larger than the thickness of the fall prevention piece. A stopper member for regulating the total amount is provided, and the upper part of the screen door is fixed to the fall prevention piece so as to be movable up and down (Claim 2).
The present invention also provides a drop prevention frame member comprising a hanging plate portion positioned in the vertical direction between the outdoor piece of the upper frame and the shoji guide piece, and the upper wall lower surface of the upper frame from the upper end of the hanging plate portion. The frame is composed of a long member provided with a mounting plate portion facing toward the one side of the shoji guide so as to extend along the locking plate portion facing from the lower end of the hanging plate portion toward the outdoor side of the upper frame. The length of the material is shorter than the length of the upper frame, and the attachment / detachment opening is configured by a frame material lacking portion formed on the end side of the fall prevention frame material.

  According to the invention described in claim 1 of the present invention, the fall prevention piece that can be fixed to the upper part of the screen door is provided, and the fall prevention piece has a narrow neck portion in the frame expectation direction width and the frame expectation direction width in the upper portion of the neck portion. An engagement portion is provided, and the width of the drop prevention piece is larger than the width of the fall prevention piece at the neck portion between the upper frame and the outdoor piece of the upper frame, and smaller than the width of the drop prevention piece of the engagement portion. A drop-preventing frame material is provided above the moving-prevention gap and an engagement space that can accommodate the engaging portion of the drop-preventing piece. A drop prevention piece provided with an opening and the engagement portion engaged with the engagement space from the attachment / detachment opening was attached to the upper part of the screen door so as not to face the attachment / detachment opening in the screen door movement region, and the screen door was attached to the fall prevention piece. Since the engagement part of the fall prevention piece was not removed from the fall prevention frame material in the state, When the screen door is removed from the frame, no matter where the screen door is in the left / right opening / closing direction, the fall prevention piece does not face the attachment / detachment opening, so the fall prevention piece does not fall from the attachment / detachment opening. Can be kept from falling off the fall prevention frame member, and the screen door can be reliably prevented from falling outside the room.

  According to the second aspect of the present invention, the drop prevention piece is provided with a long hole in the vertical direction, and the screw portion so that the distance between the head of the set screw attached to the long hole and the screen door is larger than the thickness of the drop prevention piece. Since the stopper member that regulates the screwing amount of the screw hole is provided, the screw of the screw portion of the set screw hits the stopper member, so that even when a person who does not know the screen door fits the screen door into the frame, There is an effect that the upper part of the screen door can be easily fixed to the fall prevention piece so that it can be moved up and down. Further, even when the upper and lower rails are bent or when the screen door is lifted by human power when the screen door is opened and closed left and right, the screen door can be smoothly opened and closed. In addition, since the vertical hole is provided in the fall prevention piece, the tilt of the screen door is absorbed when the screen door is attached to the frame body, and the friction between the fall prevention frame member and the fall prevention piece is reduced.

  According to the invention described in claim 3, the fall prevention frame member is disposed above the upper end of the drooping plate portion, the drooping plate portion positioned in the vertical direction between the outdoor side piece of the upper frame and the shoji guide piece. Constructed by a long member with a mounting plate that faces the side of the outer panel guide along the lower surface of the upper wall of the frame and a locking plate that faces from the lower end of the hanging plate to the outdoor side of the upper frame The drop prevention frame material is made shorter than the length of the upper frame, and the attachment / detachment port is formed by the frame material lacking portion formed on the end side of the fall prevention frame material. It can be easily attached to the frame from below, and can be easily applied to existing sashes. In addition, since the fall prevention frame material is attached between the outdoor side piece of the upper frame and the shoji guide piece, the fall prevention frame material and its attachment part can be completely hidden from the outdoor side, and the entire sash There is an effect that can improve the appearance of.

  Embodiments will be described with reference to the drawings. The sliding sash 1 shown in FIG. 1 has a screen 6 formed by framing an upper frame 2, a lower frame 3, and left and right eaves frames 4, 5. It is configured to be fitted. The screen door 7 includes a square-shaped screen door rod 12 made up of an upper rod 8, a lower rod 9, and left and right rods 10, 11, and a net 13 attached to the screen door rod 12. The screen door 7 has a fitting groove 7a provided in the upper part of the screen door 7 and a door wheel 7b provided in the lower part of the screen door 7 fitted into the outdoor piece 14 of the upper frame 2 and the rail 15 of the lower frame 3, respectively. 15 can be opened and closed.

The sliding sash 1 is equipped with a screen door fall prevention device A that prevents the screen door 7 fitted to the frame 6 so as to be openable to the left and right. The screen door fall prevention device A includes a fall prevention piece 21 that can be attached to the upper part of the screen door 7 and a fall prevention frame material 22 that can be attached to the upper frame 2 of the frame body 6. The fall prevention frame member 22 is attached to the upper frame 2 of the frame 6 by being attached to the flange 8.
The fall prevention piece 21 is provided with a neck portion 23 having a small frame expectation direction width and an engaging portion 24 having a large frame look direction width at an upper portion of the neck portion 23. The fall prevention piece 21 of the present embodiment is configured by bending a metal plate, and a bent portion obtained by bending the upper end portion of the metal plate in the vertical direction in the frame expectation direction on the indoor side is used as the engaging portion 24. An intermediate portion of the metal plate is a neck portion 23, and a lower end portion of the lower portion of the metal plate is bent downward along the upper collar 8 of the screen door 7 after the lower portion of the metal plate is bent in the frame expectation direction. Since the fall prevention piece 21 is formed by bending a metal plate, the fall prevention piece 21 is simply and quickly manufactured by bending according to the size and shape of the upper frame 2 and the screen door 7 of the sliding sash 1 to which the screen door fall prevention device A is attached. However, the fall prevention piece 21 may be made of a mold material for a specific sliding sash 1. As shown in FIG. 3, the attachment portion 25 of the fall prevention piece 21 is provided with vertical holes 25 a at two locations on the left and right.

  The fall prevention frame member 22 of the present embodiment is constituted by a long member along the upper frame 2, for example, a member obtained by bending a metal plate or a long mold member. The fall prevention frame member 22 includes a hanging plate portion 34 arranged in the vertical direction between the outdoor side piece 14 of the upper frame 2 and the shoji guide piece 33, and the upper wall of the upper frame 2 from the upper end of the hanging plate portion 34. 35 is provided with a mounting plate portion 36 facing the side of the outer edge guide piece 33 along the lower surface, and a locking plate portion 37 facing the outdoor side of the upper frame 2 from the lower end of the hanging plate portion 34. The fall prevention frame member 22 is fixed to the upper frame 2 by the attachment plate portion 36 being screwed to the upper wall 35 of the upper frame 2 by a screw member 38 from below. The fall prevention frame member 22 is formed of a separate member with respect to the upper frame 2 and is screwed to the upper frame 2 with a screw member 38, so that it can be easily attached to the upper frame 2 of the existing frame 6 fixed to the building. Can be attached to. In the case of a newly installed sash, the fall prevention frame member 22 may be molded integrally with the upper frame 2 for mass production, and in that case, the mounting plate portion 36 is unnecessary.

  The fall prevention frame member 22 has an engagement plate portion 37 that is larger than the width of the neck portion 23 of the fall prevention piece 21 in the frame expectation direction between the locking plate portion 37 and the outdoor piece 14 of the upper frame 2. The moving gap 31 having a width smaller than the width of the frame expected direction is formed. Further, the fall prevention frame member 22 forms an engagement space 32 that can accommodate the engagement portion 24 of the fall prevention piece 21 with the upper frame 2 above the movement gap 31. The length of the fall prevention frame member 22 in the opening / closing direction of the screen door is shorter than the length of the upper frame 2 in the opening / closing direction of the screen door, and the fall prevention frame member 22 is attached to the upper wall 35 in the state of the fall prevention frame member 22. An attachment / detachment opening 39 for attaching / detaching the engagement portion 24 of the fall prevention piece 21 to / from the engagement space 32 of the fall prevention frame member 22 by a frame member lacking portion where the fall prevention frame member 22 does not exist on one side of the screen door opening / closing direction. Is provided. The length of the detachable opening 39 in the opening / closing direction of the screen door is set longer than the length of the screen door opening / closing direction of the fall prevention piece 21, and the engagement portion 24 of the fall prevention piece 21 passes through the attachment / detachment opening 39 to the engagement space of the fall prevention frame member 22. 32 can be inserted and removed.

  The fall prevention piece 21 is attached to one position in the center in the longitudinal direction of the upper collar 8, which is a position that does not face the attachment / detachment port 39 in the screen door movement region L of the screen door 7 that moves left and right within the frame body 6. . That is, the fall prevention piece 21 is attached to the position of the upper collar 8 that does not face the attachment / detachment opening 39 no matter where the screen door 7 is opened and closed, and the engagement portion of the fall prevention piece 21 attached to the screen door 7. 24 is never disengaged from the engagement space 32 of the fall prevention frame member 22. A notch 40 for fitting the fall prevention piece 21 so as to be vertically guided is formed in the center of the indoor-side upward piece 8a of the upper rod 8, and the fall prevention piece 21 is fitted into the notch 40. The fall prevention piece 21 is guided straight up and down. Prior to attaching the fall prevention piece 21 to the upper collar 8, the engagement portion 24 of the fall prevention piece 21 is engaged with the engagement space 32 of the fall prevention frame member 22 from the attachment / detachment port 39, and then the engagement is performed. The part 24 is moved in the longitudinal direction in the engagement space 32 so as to be fitted into the notch 40 of the upper collar 8 of the screen door 7, and the long hole 25 a of the fall prevention piece 21 and the upper collar 8 are penetrated in this state. The screw portion 43 of the screw 42 is screwed into a screw hole 44a of a stopper member 44 described later, and is attached to the upper collar 8 so as to be vertically movable. A sliding member 41 made of resin, for example, is fixed to the engaging portion 24 of the fall prevention piece 21 in order to make the movement of the fall prevention frame member 22 within the engagement space 32 smooth. The engagement space 32 is slidably fitted.

  A stopper member 44 is attached to the upper ledge 8 of the screen door 7 in order to attach the fall prevention piece 21 to the upper ledge 8 so as to be relatively movable up and down. The stopper member 44 is fitted and fixed in the upper collar 8 of the screen door 7, and the stopper member 44 is provided with a stopper portion 44 b that receives the tip of the screw portion 43 of the set screw 42. The stopper portion 44b regulates the amount of screwing between the screw portion 43 of the set screw 42 and the screw hole 44a, and a gap larger than the thickness 48 of the fall prevention piece 21 between the inner side surface of the upper collar 8 and the head portion 45 of the set screw 42. 49 is formed so that the screen door 7 can be moved up and down relatively with respect to the fall prevention piece 21. Since the screwing amount of the set screw 42 is regulated by the stopper member 44, when the fall prevention piece 21 is fixed to the screen door 7, the set screw 42 is tightened to the end, so that the upper portion of the screen door 7 is securely attached to the fall prevention piece. 21 can be mounted so as to be movable up and down relatively. In order to form a gap 49 larger than the thickness 48 of the fall prevention piece 21 between the interior side surface of the upper rod 8 and the head 45 of the set screw 42, a stopper portion is provided at the base of the screw portion 43 of the set screw 42. Alternatively, a washer may be fitted to the base of the screw portion 43 of the set screw 42.

  Next, the operation of the screen door fall prevention device A having the above configuration will be described. The screen door 7 is fitted into the frame body 6, the sliding member 41 provided in the engaging portion 24 of the fall prevention piece 21 is positioned at the attachment / detachment port 39 formed in the fall prevention frame material 22, and the sliding member 41 is placed in the fall prevention frame material. The engagement portion 24 of the fall prevention piece 21 is engaged with the engagement space 32 of the fall prevention frame member 22 by being fitted in the engagement space 32 of 22. The fall prevention piece 21 in which the engagement portion 24 is fitted in the engagement space 32 of the fall prevention frame member 22 and the position of the notch 40 provided in the upper arm 8 of the screen door 7 are matched to each other, and the fall prevention piece 21 Is fitted into the notch 40. Then, the pair of long holes 25a of the fall prevention piece 21 and the screw portions 43 of a pair of set screws 42 having a head 45 that cannot be passed through the upper collar 8 are respectively penetrated, and screwed into the screw holes 44a of the stopper member 44, respectively. The set screw 42 is screwed in until it comes into contact with the stopper portion 44b. Thereby, the space | interval 49 is formed in the head 45 and the upper collar 8, and the screen door 7 and the fall prevention piece 21 are fastened so that it can move up and down relatively. In a state where the upper arm 8 of the screen door 7 is attached to the fall prevention piece 21, the fall prevention piece 21 and the fall prevention frame material 22 are hidden from the outside of the room without being exposed to the outside or the inside of the room. The external appearance of the sliding sash 1 is maintained to be the same as that of the sash not provided with the screen door fall prevention device A, and a practical aesthetic appearance is maintained.

  When the screen door 7 is opened and closed left and right with the fall prevention piece 21 fixed to the screen door 7, the fall prevention piece 21 moves together with the screen door 7 in the left and right opening and closing direction. In this case, since the fall prevention piece 21 is fitted to the notch portion 40 of the upper collar 8 so as to be vertically guided, the fall prevention piece 21 is moved together with the screen door 7 while maintaining the posture, and the sliding member 41 is moved. The fall prevention frame member 22 is smoothly moved in the opening / closing direction within the engagement space 32. Further, the screen door 7 moves up and down with respect to the frame body 6 due to the undulations and vibrations of the rails 15. However, since the screen door 7 is provided so as to be movable up and down with respect to the fall prevention piece 21, Opening / closing movement is performed while moving up and down with respect to the fall prevention piece 21 without pushing up the door 21. As a result, an increase in sliding resistance of the sliding member 41 can be prevented, and the screen door 7 can be smoothly opened and closed. Further, when the screen door 7 is moved left and right across the entire range of the screen door movement region L, the engagement portion 24 of the fall prevention piece 21 attached to the screen door 7 does not face the attachment / detachment port 39, so that the fall prevention is performed. The engagement portion 24 of the piece 21 is kept engaged with the engagement space 32 of the fall prevention frame member 22 without detaching from the engagement space 32 of the fall prevention frame member 22.

  The screen door 7 is bent due to human and physical external forces acting on the screen door 7 in the frame expectation direction, and when the amount of bending increases, the screen door 7 shrinks in the vertical direction. 4, as shown in FIG. 4, the door 7 b of the screen door 7 is detached from the rail 15, the fitting groove 7 a of the screen door 7 is detached from the outdoor piece 14 of the upper frame 2, and the screen door 7 is detached from the frame body 6. It can happen that it comes off. When the screen door 7 is detached from the frame body 6, the screen door 7 falls from the frame body 6, but the screen door 7 is attached to the fall prevention piece 21, and the engaging portion 24 of the fall prevention piece 21 is the fall prevention frame material. Since the state engaged with the engagement space 32 of 22 is maintained, the screen door 7 is suspended by the fall prevention piece 21, and the screen door 7 is reliably prevented from falling. When the screen door 7 is suspended by the fall prevention piece 21 and is fitted into the frame 6 again, the screen door 7 is lifted and raised with respect to the fall prevention piece 21, and the door wheel 7 b of the screen door 7 is fitted to the rail 15. It can be easily and quickly fitted into the frame body 6. When you want to remove the screen door 7 from the frame body 6 for repair of the screen door 7, remove the screen door 7 from the frame body 6 by loosening the setscrew 45 from the indoor side and removing the screen door 7 from the fall prevention piece 21. Can do.

  In this embodiment, the screen door opening / closing direction length of the fall prevention frame member 22 is shorter than the screen door opening / closing direction length of the upper frame 2 and is attached by the frame member lacking portion formed on the end side of the fall prevention frame member 22. Although the escape port 39 is configured, the fall prevention piece 21 attached to the upper part of the screen door 7 with the locking plate portion 37 of the fall prevention frame material 22 provided with the same length as the length of the screen opening and closing direction of the upper frame 2 The fall prevention frame member 22 may be provided with an attachment / detachment port 39 by cutting the screen door 7 at a position that does not oppose the screen door movement region L. In the present embodiment, the sliding member 41 that slides in the engagement space 32 is provided in the engaging portion 24 of the fall prevention piece 21 so that the fall prevention piece 21 does not move up and down with respect to the upper frame 2. The screen door 7 is attached to the fall prevention piece 21 so as to be relatively movable up and down, and the screen door 7 is provided so as to be able to move up and down relatively with respect to the upper frame 2. Is configured to smoothly slide in the engagement space 32 by other means such as coating, the engagement space 32 of the fall prevention frame member 22 is enlarged vertically, and the engagement portion 24 of the fall prevention piece 21 is formed. The screen door 7 can be moved up and down in the engagement space 32 of the fall prevention frame member 22, and the screen door 7 can be moved up and down relatively with respect to the upper frame 2 by fixing the fall prevention piece 21 to the screen door 7 integrally. May be. Moreover, in this embodiment, the fall prevention piece 21 and the attachment / detachment port 39 are provided in one place, but only the fall prevention piece 21 may be provided in a plurality of places, or both may be provided in a plurality of places.

It is a figure which shows the sliding sash provided with the screen door fall prevention apparatus of this invention. It is the II-II sectional view taken on the line of FIG. It is a figure which shows the attachment state of a fall prevention piece. It is a figure which shows the state by which the screen door was suspended.

Explanation of symbols

2 Upper frame 6 Frame 7 Screen door 14 Outdoor piece 21 Fall prevention piece 22 Fall prevention frame material 23 Neck part 24 Engagement part 25a Long hole 31 Movement gap 32 Engagement space 33 Displacement guide part 34 Lower plate part 35 Upper wall 36 Mounting plate portion 37 Locking plate portion 39 Removable port 42 Set screw 43 Screw portion 44 Stopper member 44a Screw hole 45 Head 48 Thickness 49 Interval A Screen door fall prevention device L Screen door movement area

Claims (3)

In the screen door fall prevention device that prevents the screen door fitted in the frame body so that it can be opened to the left and right, it has a fall prevention piece that can be attached to the upper part of the screen door, and the fall prevention piece has a neck portion with a small width in the frame projection direction. An engagement portion having a large frame expectation direction width is provided at the upper portion of the neck portion, and the drop prevention piece is larger than the frame expectation direction width of the neck portion of the fall prevention piece between the upper frame and the outdoor piece of the upper frame. A drop-preventing frame member is provided that forms a moving gap having a width smaller than the width of the engaging portion in the frame expectation direction and forms an engaging space that can accommodate the engaging portion of the drop-preventing piece. An attachment / detachment opening longer than the length of the screen door opening / closing direction of the fall prevention piece is provided, and the fall prevention piece with the engaging portion engaged with the engagement space from the attachment / detachment opening is attached to the upper part of the screen door so as not to face the attachment / detachment opening. When the screen door is attached to the fall prevention piece, Screens fall safety device being characterized in that to prevent deviate from anti frame member. Equipped with a stopper member that regulates the screwing amount of the screw part so that the distance between the head of the set screw attached to the long hole and the screen door is larger than the thickness of the fall prevention piece. 2. The screen door fall prevention device according to claim 1, wherein the screen door upper portion is fixed to the fall prevention piece so as to be movable up and down. The fall guard frame material is placed in the vertical direction between the outer side piece of the upper frame and the outer panel guide piece, and the outer panel so that it extends along the lower surface of the upper wall of the upper frame from the upper end of the lower plate part. It is composed of a long member with a mounting plate part facing the guide piece side and a locking plate part facing the outdoor side of the upper frame from the lower end of the hanging plate part. The screen door fall prevention device according to claim 1 or 2, wherein the attachment / detachment opening is configured by a frame material lacking portion formed on an end side of the fall prevention frame material so as to be shorter than a length of the frame.

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