JPH0712594Y2 - Shoji screen release prevention device - Google Patents

Description

[Detailed description of the device]

[Industrial applications]

The present invention relates to a device that temporarily stops a shoji screen such as a window in a closed state to prevent the screen from being opened.

[Prior art]

In the conventional smoke exhaust window, the operator mechanism that operates the damper and shoji is not assembled at the factory shipment stage, but it is assembled at the construction site, so the assembly work at the construction site becomes complicated and the work efficiency is high. Was bad. Therefore, at the sash factory, in addition to incorporating shoji, members such as dampers and pulleys that operate this are also installed, and an operator mechanism including stoppers and wires is installed at the construction site, reducing the assembly work at the construction site. ,
We tried to improve the efficiency, but the shoji incorporated in the sash frame tried to open due to the attachment of the above-mentioned members, which made packing work in the factory difficult, and at the construction site, glass installation and the frame of the sash frame. There was a drawback that it was troublesome to attach to. In order to solve this, the applicant of the present invention previously found that
We proposed a window shoji opening prevention device shown in Japanese Patent Publication No.

[Problems to be solved by the device]

This prior art is to install an opening prevention tool on the shoji during packing at the factory, and thereby achieve the temporary purpose of temporarily fixing the shoji to the closed state and efficiently assembling at the construction site. I was able to. However, this prior art release preventing device has a problem in reliability because it is difficult to confirm the fitted portion when the fitting device is fitted to the rising portion of the shoji upper frame and the hanging portion of the sash upper frame. In view of such problems of the prior art, the present invention has been improved in order to further solve the problems, and the shoji installed in the sash frame can be reliably and easily temporarily fixed to the closed state. The purpose of the present invention is to obtain a shoji screen release prevention device that is extremely convenient to handle in various tasks, such as shoji screens being safely transported from the shipping site to the construction site without indiscriminately opening up and easily assembled at the construction site.

[Means for Solving the Problems]

As a means for achieving this, the present invention incorporates a shoji into a sash frame so that it can be opened and closed centering on the lower frame of the shoji and the pivotal connection part of the lower frame, and the shoji is biased in the opening direction. The opening prevention device for the shoji, which is detachably attached to the window, includes a main body portion having a fitting groove slidably fitted along the longitudinal direction of the vertical looking wall of the shoji, A drop-preventing claw that is located above the main body and that locks to the upper end of the shoji; and an engagement contact portion that is located on the shoji closing direction side of the main body and that projects above the main body. Slide the opening prevention device upward with the shoji closed to lock the fall prevention claw on the upper end of the shoji, and engage the engaging contact part with the hanging part protruding downward from the sash upper frame to move the shoji. It is held in a closed state.

【Example】

A concrete configuration of the present invention will be described in detail below with reference to an embodiment shown in the drawings. Reference numeral 1 denotes a sash frame, and a hanging portion 3 having a lip groove 4 formed on the upper frame 2 toward the indoor side projects downward, and a tight material 5 is mounted in the lip groove 4 toward the indoor side. Vertical frames 6 are attached to both sides of the upper frame 2. 7 is a shoji, and a shoji lower frame is pivotally attached to the lower frame of the sash frame 1 so that it can be rotated inward and opened, and the above-mentioned lip groove when the shoji 7 is closed at the indoor end of the upper frame 8. Tight material 5 of 4
Is formed on the both sides of the upper frame 8, and a vertical frame 10 is attached to the outside of the vertical frame 10. Further, a space 12 is formed between the upper frame 8 and the upper frame 2, and wires or stoppers for opening and closing the shoji 7 are installed in the space 12 at the construction site. It is installed at the factory and the shoji is urged in the opening direction. Reference numeral 13 denotes an opening preventing tool, which is provided with an engaging contact portion 15 that engages with a hanging portion 3 projecting from the sash upper frame 2 on one side that is an outdoor side of the main body portion 14 and that is on the indoor side. On the side, a protrusion 16 is provided in the horizontal direction in the horizontal direction, the tip of the protrusion 16 is folded back into a U-shape, and a fitting groove 17 that fits into the vertical looking wall 11 of the vertical frame 10 of the shoji 7 is formed. Further, on the side wall surface of the interior of the fitting groove 17, a rising locking piece 18 having a hook-shaped drop preventing pawl 19 formed at the upper end is provided upright. In addition, 20 shows a damper. With such a configuration, in order to fix the shoji 7 using the opening prevention tool 13, first, the shoji 7 is tilted to the indoor side in the open state, and then the opening prevention tool 13 is moved to the side of the shoji 7 from the side. 4. Move as shown by the arrow in FIG. 4, fit the fitting groove 17 formed in the projecting portion 16 into the vertical looking wall 11 of the vertical frame 10, and then rotate the shoji 7 to the closed state. , The release preventing tool 13 is slid upward as shown by the arrow in FIG. 1, the engaging contact portion 15 is engaged with the hanging portion 3 projecting from the sash upper frame 2, and the rising engagement piece 18 is provided. The hook-shaped drop prevention claw 19 formed at the upper end reliably locks to the upper end of the vertical siding wall 11 by its elasticity. This prevents the shoji 7 from rotating in the opening direction and is securely fixed in the closed state. Further, when the shoji 7 is detached and put into a free state, if the fall prevention claw 19 at the upper end of the rising locking piece 18 of the release preventing tool 13 is pulled out against its elasticity, it can be easily removed from the upper end of the vertical frame wall 11. Then, by sliding the release preventing tool 13 downwards in the direction opposite to the arrow in FIG.
Since the engagement with the hanging portion 3 of the above is released and the shoji 7 can be opened and closed, the shoji 7 can be rotated in the opening direction and the opening preventing tool 13 can be easily removed. It should be noted that the above embodiment relates to the smoke exhaust window, but is not limited to this. Further, the opening preventive tool of the present invention can be applied not only to the inward turning window but also to the outer turning window. Furthermore, the rising engagement piece having the fall prevention claw of the release prevention tool in the above-described embodiment may be set up on the outer wall surface of the fitting groove.

[Effect of device]

As described above in detail with reference to the embodiments, the present invention engages the engagement contact portion of the release preventing tool with the hanging portion of the sash upper frame,
The mating groove is laterally fitted to the vertical frame wall of the shoji vertical frame, and the fall prevention claw on the upper end of the rising locking piece is locked to the upper end of the vertical frame to temporarily close the shoji screen. Since it was stopped, the engaging work of the engaging contact part to the sash upper frame hanging part, the fitting of the fitting groove to the vertical wall of the shoji, and the falling prevention claw of the vertical wall The work can be performed while visually confirming the locking operation to the upper end, and can be performed surely and quickly. In addition, the engagement contact part, fitting groove, drop prevention claw, etc. of the release prevention tool are temporarily fixed to the shoji in the closed state without performing a bending operation, etc. It has sufficient strength, and from the time the product is shipped to the time of installation at the construction site, the shoji screen does not open unintentionally, damage and accidents can be prevented, and work can be performed with peace of mind. In addition to this, part of the operator mechanism that operates the shoji screen can be assembled at the factory, so installation work at the construction site can be reduced, and it is also possible to shorten the construction period and improve efficiency. And so on.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal side view of the present invention, FIG. 2 is a cross-sectional plan view of the same with the upper frame removed, FIG. 3 is a perspective view of the opening preventive tool, and FIG. Similarly, the perspective view at the time of attaching an opening prevention tool to a shoji screen is shown. 1 ... sash frame, 2 ... upper frame, 3 ... hanging part, 6 ... vertical frame, 7 ... shoji, 8 ... upper frame, 9 ... rising part, 10 ...
Vertical frame, 11 …… Vertical frame wall, 13 …… Opening prevention device, 14 …… Main body part, 15 …… Engagement contact part, 16 …… Projection part, 17 …… Fitting groove, 18 …… Standing locking piece, 19 ... Fall prevention claw.

Claims (1)

[Scope of utility model registration request] 1. A sash frame is incorporated with a shoji so that the shoji can be opened and closed centering on the lower frame of the shoji and the pivotal connection part of the lower frame, and the shoji is attached to and detached from a window biased in the opening direction. The opening prevention device for the shoji that can be freely attached is provided with a main body part having a fitting groove slidably fitted along the longitudinal direction of the vertical looking wall of the shoji screen and located above the main body part. The opening prevention device has a fall prevention claw that is locked to the upper end of the shoji screen and an engagement contact portion that is located on the shoji closing direction side of the main body part and projects upward from the main body part. It slides upward with to lock the fall prevention claw on the upper end of the shoji, and the engaging contact part is engaged with the hanging part protruding downward from the sash upper frame to keep the shoji closed. A device to prevent the opening of shoji.