JPH0343341Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a device for preventing sliding doors from coming off.

In sliding doors, in which fittings are movably inserted into guide grooves formed on the indoor and outdoor sides of the fitting frame, the upper end of the fitting and the top of the fitting are It is normal to leave some space between it and the guide groove of the frame. However, because of this spacing, sliding doors tend to come off the window frame, causing complaints such as children coming off the window frame while fiddling with the fittings, and sliding doors being removed from the outside side. There were drawbacks such as a strong risk and concerns about crime prevention.

On the other hand, as such a crime prevention measure, a satsui window frame as seen in Japanese Patent Application Laid-open No. 80632/1983 is also known. This sash window frame allows the screen lattice unit to be fixed to the building opening frame via the sash window frame, and is improved in that it can be easily removed from the outside, thereby significantly improving security.

However, the technology disclosed in JP-A-52-80632 is not limited to glass doors, but rather provides security to the window frame, and therefore cannot be used for sliding doors for the purpose of entering and exiting.

This idea was made in view of the above circumstances,
The purpose of this device is to provide a device for preventing sliding doors from coming off, which improves the security of sliding doors by preventing fittings from coming off the fittings frames. By providing a locking piece that is movable up and down, and providing a slide piece under the locking piece that can freely escape from under the locking piece,
The above object is achieved by locking the locking pieces under the upper frame of the fittings as necessary.

This invention will be explained below based on embodiments shown in the drawings.

Figures 1 to 6 show an embodiment of this invention. In the figures, 1 indicates a fitting frame attached to the periphery of a window on the outer wall of a building, and this fitting frame 1 has a pair of upper fitting frames 1A and 1A. It is constructed by assembling vertical frames 1B, 1B and a lower fittings frame 1c. On the lower surface of the upper fitting frame 1A, there are partition plates 1b, 1b, which form guide grooves 1a, 1a for inserting fittings into the outdoor side and the indoor side of the upper fitting frame 1A.
1b is protruded, and running rails 1d, 1d for running the fittings are formed on the upper surface of the lower fitting frame 1c facing the guide groove 1a, and inside the fitting frame 1 there are running rails 1d, 1d for running the fittings at the bottom. Fittings 2, 2' with rings 2a
A running wheel 2a is placed on the running rail 1d, and the upper end of the fitting is placed in the guide groove 1a.
The above-mentioned fittings 2, 2' are of a well-known type, and consist of a pair of vertical stiles 2A, an upper stile 2B, and a lower stile 2c, with a glass plate 2b stretched on the inside of the stile.

On the other hand, it is a part of the vertical stile 2A of the fitting 2 on the outdoor side, and is in the center of the fitting frame 1 when the fitting 2 is in the closed state (the window part is closed with the fittings 2 and 2' as shown in Fig. 2). On the indoor side surface of the vertical stile 2A located on the side, there are protrusions 2d, 2d that extend approximately the entire length of the vertical stile 2A.
It is erected with a recess 2e formed therebetween. The above-mentioned protrusion 2d is arranged as a back that forms a slight distance between the fittings 2, 2' and the vertical stile 2A of the other fitting 2' facing each other in the closed state, and among the pair of protrusions 2d, A smoke return piece 2f that projects inside the fitting 2 is formed on the protrusion 2d inside the fitting 2.

A locking piece 3 is provided in a recess 2e of the vertical stile 2A slightly below the partition plate 1b of the upper frame 1A of the fittings. This locking piece 3 is provided so as to be movable up and down within the recess 2e by means of a screw 4 which is inserted through a vertically elongated hole 3a formed in the lower part of the locking piece 3 and screwed into the bottom surface of the recess 2e. A thick locking part 3b is formed at the upper part of the locking piece 3, and the locking part 3b
is thick enough to protrude from the concave portion 2e, and the protruding portion is located under the central partition plate 1b of the three partition plates 1b of the upper frame 1A of the fittings, and is placed on both sides and the center of the locking portion 3b. A soft brush portion 3c is formed which projects on the side of the fixture 2' facing the locking portion 3b and above the locking portion 3b. Furthermore, a slide groove 3d parallel to the surface including the fitting 2 is formed on the lower surface of the locking piece 3. Furthermore, a recess 3 communicating with the elongated hole 3a is provided on the surface of the locking piece 3 on the side of the vertical stile 2A.
An outer box 3f is inserted into this recess 3e, with one side and a lower surface open on the elongated hole 3a side, and a spring 3g is inserted into the outer box 3f. A biasing piece 3h is inserted into the lower outer box 3f so as to be movable up and down, the biasing piece 3h contacts the shaft of the screw 4, and the spring 3g biases the locking piece 3 upward. , connect the upper end of the brush part 3c to the upper fitting frame 1A
is brought into contact with the lower end of the partition plate 1b.

Furthermore, among the pair of protrusions 2d, a part of the protrusion 2d on the side closer to the center of the fittings 2, and a screw 4
An insertion hole 2g is formed in a slightly lower part,
A guide rail plate 5 is attached within the recess 2e on the lower side of the insertion hole 2g. This guide rail plate 5 is provided so as to be movable up and down within the recess 2e by a screw 6 inserted through a vertically long slit 5a formed in the center of the lower part and screwed into the bottom surface of the recess 2e. is bent to form a guide rail 5b that protrudes at right angles from the bottom surface of the recess 2e and is located on the side of the insertion hole 2g.

Further, in the recess 2e between the locking piece 3 and the guide rail plate 5, a slide piece 7 is provided which is inserted through the insertion hole 2g. This slide piece 7 has a main body 7 inserted through the insertion hole 2g and entered into the recess 2e.
A, a push-in plate 7B that is formed on a part of the main body 7A protruding from the insertion hole 2g to the outside of the vertical stile 2A and is taller than the insertion hole 2g, and a lower part of the main body 7A in the recess 2e. It is composed of a retaining portion 7c which is formed to protrude laterally and downwardly. The main body part 7A
A sliding groove 7a into which the guide rail 5b is inserted is formed on the guide rail 5b side of the retaining portion 7c. 2e, and the slide piece 7 is horizontally movable along the guide rail 5b. In addition, slide piece 7
can protrude outward from the insertion hole 2g into the recess 2e until the retaining portion 7c comes into contact with the protrusion 2d, and can be inserted into the recess 2e until the push plate 7B comes into contact with the protrusion 2d. Part 7
A is made large enough to escape from the space below the locking piece 3 when the slide piece 7 is pulled out to the maximum extent outside the recess 2e. Further, a slide rail 7e is formed on the upper surface of the main body 7A, and when the slide rail 7e is moved below the locking piece 3 pushed up by the spring 3g, the locking piece 3
It is sized to fit into the slide groove 3d.

In addition, 2'f in FIG. 2 is an L-shaped cross section formed on the end side of the vertical stile 2A of the fitting 2' which faces the smoke return piece 2f of the fitting 2 when the fitting is in the closed state shown in FIG. This smoke return piece 2'f and the smoke return piece 2f are designed to engage with each other as shown in FIG. 2 when the fitting is closed.

To form a sliding door with such a configuration, first, the indoor fitting 2' is attached to the fitting frame 1. here,
To install the fitting 2', support the fitting 2' diagonally, insert its upper end deeply into the guide groove 1a on the indoor side,
Next, make the fitting 2' vertical, lower the fitting 2' slightly, and move the running wheel 2a onto the running rail 1d of the fitting lower frame 1c.
and attach the fitting 2' to the fitting frame 1.

In addition, to attach the outdoor fitting 2 to the fitting frame 1, loosen the screw 4 and slide the slide piece 7.
The main body portion 7A is brought out of the recess 2e of the vertical stile 2A as shown in FIG. In this state, support the fitting 2 diagonally and place the upper end of the fitting 2 in the guide groove 1a on the outdoor side.
Then, make the fitting 2 vertical, lower the fitting 2 slightly, place the running wheels 2a on the running rail 1d of the lower fitting frame 1c, and attach the fitting 2 to the fitting frame 1. By the way, when the upper end of the fitting 2 is deeply inserted into the guide groove 1a, the locking part 3 of the locking piece 3 in the recess 2e
The upper end of b comes into contact with the lower end of the central partition plate 1b among the three partition plates 1b of the upper fitting frame 1A, and is pushed relatively downward. Then, the locking piece 3 is compressed against the biasing force of the spring 3g and is lowered to the side of the slide piece 7 as shown by the two-dot chain line in FIG. Next, when the fitting 2 is lowered slightly in order to place the running wheel 2a of the fitting 2 on the running rail 1d, the locking piece 3 is released by the spring 3.
It is pushed by g and rises again to the position shown by the solid line in Fig. 3. Then, the fittings 2, 2' are moved along the running rails 1d, 1d to close the window part as shown in FIG. 2, and the smoke return pieces 2f, 2'f are engaged, and the smoke return pieces 2' f to press the pushing piece 7B of the slide piece 7 and push the slide piece 7 into the recess 2e of the vertical stile 2A. Then, the slide rail 7e of the slide piece 7 fits into the slide groove 3d of the locking piece 3. Here, even if an attempt is made to lift up the fitting 2 and remove it from the fitting frame 1, the locking piece 3 is prevented from descending by the slide piece 7, and this locking piece 3 is connected to the partition of the upper fitting frame 1A. The fitting 2 cannot be removed because it comes into contact with the plate 1b and prevents the fitting 2 from rising. That is, the locking piece 3 prevents the fitting 2 from coming off. Therefore, even if a child tampers with the fittings 2, the fittings 2 will not come off, making it safe, and there is no risk of the fittings 2 being removed from the outside, which is advantageous in terms of crime prevention. By the way, it is the smoke return piece 2'f of the fitting 2' that moves the slide piece 7, and the locking piece 3 is locked in the position where the fitting 2 is prevented from coming off by simply closing the fittings 2, 2'. It is easy to handle because it can be done.

In addition, when it is desired to remove the fittings 2, it is advisable to insert a tool such as a screwdriver between the protrusion 2d of the vertical stile 2A and the pushing piece 7B of the slide piece 7 and pull out the slide piece 7.

Moreover, the brush part 3c of the locking piece 3 is connected to the upper frame 1A of the fittings.
The watertightness and airtightness of this contact area are improved by contacting the partition plate 1b.

Incidentally, the distance between the upper end of the locking piece 3 and the partition plate 1b of the upper frame 1A of the fittings can be adjusted by adjusting the vertical position of the guide rail plate 5. It goes without saying that it is determined in advance before the slide piece 7 moves so that the locking piece 3 is set at a height that prevents the fitting 2 from coming off while the locking piece 3 is prevented from lowering by the sliding member 7.

As explained above, this invention provides a locking piece that is biased upwardly by a spring and is movable up and down on the indoor side of the upper end of the vertical frame of the outdoor fitting below the upper frame of the fitting. A guide rail is installed horizontally on the indoor side of the lower stile, and a slide piece is installed on this guide rail so that it can escape from below the locking piece, so the slide piece can be moved under the locking piece and placed on the fitting. By locking the locking pieces under the frame, it is possible to suppress the rise of the outdoor fittings and prevent them from coming off. In addition, if the slide piece escapes from below the locking piece and the locking piece is free to move up and down, it is easy to remove the outdoor fitting from the fitting frame when it becomes necessary.
You can also fit the fittings into the fitting frame freely.

[Brief explanation of drawings]

The drawing shows one embodiment of this invention.
The figure is a vertical sectional view of the window, Figure 2 is a horizontal sectional view of the window, Figure 3 is a sectional view of the main part with the sliding piece pulled out to the side of the stile, and Figure 4 is a sectional view of the main part with the locking piece engaged. Figure 5 is a sectional view of the main part in the locked state, Figure 5 is a perspective view of the locking piece, Figure 6 is a perspective view of the locking piece.
The figure is an exploded perspective view of the main parts. 1... Fittings frame, 1A... Fittings upper frame, 2... Outdoor side fittings, 2'... Indoor side fittings, 2A... Vertical stile, 2
g...insertion hole, 3...locking piece, 3a...long hole, 3
g... Spring, 4... Screw, 5b... Guide rail,
7...Slide piece.

Claims (1)

[Scope of utility model registration request] In a sliding door having indoor and outdoor fittings, first, the indoor fitting is movably inserted into a guide groove formed in the fitting frame, and then the indoor fitting is movably inserted, the upper fitting frame At the upper end of the indoor side of the vertical stile, which is part of the vertical stile of the lower outdoor fitting and is located at the center of the fitting frame when the fitting is closed, a long hole formed in the center by the locking piece is inserted. It is attached so as to be movable up and down by a screw inserted through it and attached to the vertical stile, and the locking piece is urged upward to bring the upper end of the locking piece into contact with the lower end of the upper frame of the fitting. A spring is attached, and a guide rail is installed horizontally on the indoor side of the vertical stile below this locking piece. The slide piece is provided in an insertion hole formed in the vertical stile in a state of being extended to the side, and is disposed between the locking piece and the guide rail so that the slide piece stops the lowering of the locking piece. A device for preventing detachment of a sliding door, characterized in that the slide piece is attached so as to be able to escape from below a locking piece by sliding along a guide rail.