JP2013011059A - Retrofitted-type removal prevention tool for sliding sash door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a thief from forcibly removing a sliding door from a frame body by inserting a screwdriver and the like between the sliding door and the frame body to lift the sliding door, when a dweller slightly opens the sliding sash door to seek for the cool by introducing outside air into a room or to provide ventilation.SOLUTION: A retrofitted-type removal prevention tool for a sash makes a height adjusting plate with an inverted L-shaped cross-section attached to an inner surface of an upper part of a sliding sash door by protruding a leading end of the inverted L-shaped height adjusting plate to bring it closer to an inner surface of an upper part of a frame body of the sash or a lower end of a guide, when the inverted L-shaped cross-section height adjusting plate is attached to the sliding sash door.

Description

  The present invention relates to a sliding door removal prevention tool retrofitted to a sliding door of a sash as a crime prevention device.

  In conventional sash sliding doors, if the sliding door is closed and then the circular flat taper cam (crescent) is rotated along the central axis to lock the sliding door, the sliding door may be stored in the entire frame of the sash. Therefore, even if a tool such as a screwdriver was inserted into the sliding door and the frame from the outside and the sliding door was forcibly removed, it was almost impossible to remove the sliding door.

  Due to the current trend toward energy saving, without using air conditioners, coolers and other air conditioners as much as possible, reverse the taper cam to release the lock, open the sliding door, and introduce outside air into the room to seek coolness. Or more ventilation.

However, if the taper cam is unlocked and the sliding door is opened, even if the sliding door is fully opened, the thief will not be able to move the body if the vertical width of the frame is as narrow as less than 20 cm, like a skylight sash at the top of the building. In this type of sash, there is no problem in crime prevention even if the sliding door is opened. Similarly, like a bathroom sash, if the width of the frame is less than 20 cm, the thief will Because it cannot be inserted, there is no problem in crime prevention even if this kind of sash is opened.

Also, in the case of a normal large or medium size sash, when the sliding cam is unlocked and the sliding door is opened, the frame body is wide and wide. It is easy to put in the body, and in this type of sash, opening the sliding door has a problem in terms of crime prevention, and therefore, as described above, the sliding door has to be locked by the taper cam.

Even in normal large and medium size sashes, due to the current trend of energy saving, open the sliding doors slightly and cool the outside air into the room without using air conditioners such as air conditioners and coolers as much as possible. In response to this request, a locking mechanism has been developed that locks the sliding door with the door slightly open to the extent that the thief cannot enter the body. .

As this type of locking mechanism, for example, there is a mechanism using a leaf spring described in Japanese Patent Publication No. 2004-232345 and Japanese Patent Publication No. 2004-347000.

In addition, there is a lock mechanism described in Japanese Patent Publication No. 2008-95410 developed by the applicant company. At the same time, a fixing plate is welded to the surface of the horizontal part of the push-up spring, and a reinforcing plate is welded to the surface of the bent part of the push-up spring with a spacing of 0.1 to 0.5 mm from the fixed plate, and the push-up spring stopper The push-up spring stopper is attached to the end of the other sliding door so that the tip of the bent portion of the push-up spring is close to the end of the one sliding door in the closed state. Pushing the reinforcing plate against the elasticity of the push-up spring, level the bent part of the push-up spring to unlock the sliding door, open the sliding door, and close the sliding door to weld the reinforcing plate Push the spring of the song By it relates sliding doors for automatic pushing spring locks tool "for locking the sliding door by automatically restored to bent state.

Patent Publication No. 2004-232345 Patent Publication No. 2004-347000 Publication No. Patent Publication No. 2008-95410

However, even in the case of the above-described sash frame sash with narrow vertical and horizontal widths, a bathroom sash, or a normal large or medium sash with a lock mechanism, the outside air can be removed from the room. When the sash sliding door is opened for cooling or ventilation, the taper cam is unlocked as described above, and the sliding door is also detached from the frame on both sides of the sash. Furthermore, since there is often a gap between the upper frame and the upper part of the sliding door, the thief inserts a tool such as a screwdriver from the outside between the sliding door and the frame to lift the sliding door into the frame. There is a risk of being more forcibly removed.

  The present invention provides an inverted L-shaped height adjustment plate on the sliding door of the sash, opens the sliding door of the sash and introduces outside air into the room for cooling or ventilation, and the thief The purpose is to prevent the sliding door from being forcibly removed from the frame by inserting a tool such as a sliding door and the frame to lift the sliding door.

Furthermore, the present invention provides an inverted L-shaped height when a fine adjustment bolt is provided at the tip of the above-described inverted L-shaped height adjustment plate and there is a gap between the upper frame and the upper part of the sliding door. The purpose is to finely adjust the height of the inverted L-shaped height adjustment plate without re-screwing the height adjustment plate.

  A normal large or medium size sash is fitted with an inverted L-shaped height adjustment plate and an automatic lock for sliding doors for the sash, so that the normal large and medium size sashes cannot be opened more than 20cm. Maintaining the condition and introducing outside air into the room to seek coolness and ventilation, and a thief inserts a tool such as a screwdriver into the sliding door and the frame to lift the sliding door, making the sliding door stronger than the frame The purpose is to prevent it from being removed.

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a post-installation prevention tool for a sash, and an inverted L-shaped height adjusting plate is attached to an inner surface of an upper portion of an outer sash sliding door. The tip of the sash is protruded so as to be close to the inner surface of the upper part of the sash frame, and is attached to the inner surface of the upper part of the sliding door of the sash.

In addition, the present invention is characterized in that a fine adjustment screw is provided at an upper portion of the above-mentioned sliding door anti-removal tool for sliding doors to finely adjust the height of the inverted L-shaped height adjustment plate. .

Furthermore, the present invention uses the sliding door automatic locking device for the sash together with the above-described rear door type removal preventing device for the sliding door, and the tip portion of the bent portion of the push-up spring is opened to less than 20 cm. The push-up spring stopper is attached to the outer sliding door at a position close to the end of the inner sliding door, and the sliding door is locked in a state opened to less than 20 cm.

  According to the present invention, the tip of the inverted L-shaped height adjustment plate of the retrofitting type removal preventing tool is provided on the upper inner surface of the sliding door of the outer sash in the vicinity of the upper inner surface of the sash frame or the lower end of the guide. Unlock the taper cam of the sash sliding door, open the sliding door, introduce the outside air into the room for cooling and ventilating, and the thief can use a driver and other tools from outside the sliding door and frame There is an advantage in terms of crime prevention that prevents the sliding door from being lifted by being inserted in between and prevents the sliding door from being removed from the frame.

  Further, the present invention provides an inverted L-shaped height when a fine adjustment screw is provided at the upper portion of the above-mentioned sliding door anti-removal device for sliding doors and there is a gap between the upper frame body and the upper portion of the sliding door. There is an advantage that the height of the inverted L-shaped height adjustment plate can be finely adjusted without re-screwing the adjustment plate.

Furthermore, the present invention uses the automatic locking device for sliding doors for sashes together with the above-mentioned retrofitting type removal preventing device described above, and locks the sliding doors in an open state of less than 20 cm in combination with ordinary large and medium size sashes. The door can be unlocked and opened, and the outside air can be introduced into the room for cooling and ventilation, and a thief can insert a driver or other tool from the outside between the sliding door and the frame. There is an excellent merit in terms of crime prevention that prevents the sliding door from being lifted and prevents the sliding door from being removed from the frame.

  An example of the retrofitting type removal prevention tool for sliding doors of the sash of the present invention will be described. As shown in FIG. 1, when the sliding door 1 of the conventional sash is closed, both ends of the sliding door 1 are within both ends of the frame body 2 of the sash. When the circular flat taper cam 8 is locked, a tool such as a screwdriver is inserted into the outer sliding door 1 and the frame 2 from the outside to lift the outer sliding door 1 and forcibly remove the outer sliding door 1. It is impossible.

However, when the taper cam 8 is unlocked and the outside sliding door 1 is opened, and the outside air is introduced into the room to seek coolness, both ends of the sliding door 1 are in a state of being disengaged from both ends of the sash frame 2. Furthermore, since there is often a gap S between the inner surface of the upper portion 3 of the sash frame 2 and the upper portion of the sliding door 1, a tool such as a screwdriver is inserted between the outer sliding door 1 and the frame 2 from the outside. There is a risk that the outside sliding door 1 is lifted and the sliding door 1 outside the frame 2 is forcibly removed.

  In the present invention, as shown in FIGS. 2 and 3, a screw 6 is inserted into the mounting adjustment hole 5 of the height adjustment plate 4 having an inverted L-shaped cross section, and the upper inner surface of the sliding door 1 of the outer sash is inserted. For attaching the inverted L-shaped height adjustment plate 4, the tip of the inverted L-shaped height adjustment plate 4 protrudes so as to be close to the inner surface of the upper frame 3 of the sash, and the sliding door of the outer sash An inverted L-shaped height adjustment plate 4 is attached to the inner surface of the upper portion of 2.

  That is, the protruding portion of the tip of the inverted L-shaped height adjustment plate 4 is formed as an embedded portion of the gap S existing in the upper frame 3 of the sash, thereby opening the sliding door 1 of the sash. When the outside air is introduced into the room to seek coolness, the thief inserts a tool such as a screwdriver into the outside sliding door 1 and the frame 2 so that the outside sliding door 1 cannot be lifted. Is intended not to be removed from the frame 2.

  For example, if the gap S existing in the upper part of the sash frame 2 is 10 mm, the protruding portion at the tip of the inverted L-shaped height adjustment plate 4 is 8 to 9 mm to form an embedded portion. Even if a thief tries to lift the outer sliding door 1 by inserting a tool such as a screwdriver into the outer sliding door 1 and the frame 2, the protruding portion, that is, the embedded portion exists, so the outer sliding door 1 is It cannot be lifted and the outer sliding door 1 is not removed from the frame 2.

  As shown in FIG. 4, when the guide 9 of the sliding door 1 is provided in the upper part of the sash frame 2, the tip of the inverted L-shaped height adjustment plate 4 is placed on the guide 9. When it is projected and attached to the inner surface of the upper part of the sliding door 2 outside the sash so as to be close to the lower end, a thief tries to lift the outer sliding door 1 by inserting a tool such as a screwdriver into the outer sliding door 1 and the frame 2. However, the outer sliding door 1 cannot be lifted, and the outer sliding door 1 is not removed from the frame 2.

If the number of the mounting adjustment holes 5 provided in the inverted L-shaped height adjustment plate 4 is one, the mounting state is unstable. Therefore, it is preferable to provide a plurality of mounting adjustment holes 5 on the inner surface of the upper part of the sliding door 1 of the outer sash. The reverse L-shaped height adjustment plate 4 is attached by screws 6 and is particularly desirable to be attached with a drill at the tip because the attachment operation is facilitated.

As described above, by determining the position of the mounting adjustment hole 5 of the inverted L-shaped height adjusting plate 4 with respect to the upper inner surface of the sliding door 1 of the outer sash, the height of the inverted L-shaped height adjusting plate 4 is determined. The tip is attached close to the inner surface of the upper part of the sash frame 2. If it is necessary to finely adjust the height of the inverted L-shaped height adjustment plate 4 once attached, The L-shaped height adjustment plate 4 is screwed again, but as shown in FIG. 5, a fine adjustment bolt 7 is provided at the tip of the inverted L-shaped height adjustment plate 4 and this fine adjustment is performed. The adjustment bolt 7 may be rotated to finely adjust the protruding portion of the tip of the inverted L-shaped height adjustment plate 4 described above.

  The automatic push-up spring lock for sliding doors used together with the inverted L-shaped height adjustment plate 4 of the present invention is provided on the back surface of the horizontal portion 12 of the push-up spring 11 bent at 5 to 45 degrees as shown in FIG. The substrate 13 is welded, the fixing plate 14 is welded to the surface of the horizontal portion 12 of the push-up spring 11, and the reinforcing plate 16 is attached to the surface of the bent portion 15 of the push-up spring 11. The push-up spring stopper 17 is formed by welding at intervals of ˜0.5 mm.

  As shown in FIG. 6, the bent portion 15 of the push-up spring 1 of the push-up spring stopper 17 is bent with elasticity, but when the reinforcement plate 16 is pressed against the elasticity with a human finger, The bent portion 15 of the push-up spring 11 is pressed against the substrate 13 to be in a horizontal state, and when a person's finger is separated from the reinforcing plate 16, the bent portion 15 of the push-up spring 11 is restored to a bent state by elasticity. To do.

The right edge portion of the reinforcing plate 16 welded to the bent portion 15 of the push-up spring 11 of the push-up spring stopper 17 is positioned so as to be close to the end portion of the inner sliding door 1 in a state opened to less than 20 cm. The sliding door 1 is fixed to the surface of the sliding door 1 with an adhesive or a screw so that the sliding door 1 can be locked in an opened state less than 20 cm.

Further, the push-up spring stopper 17 presses the reinforcing plate 16 with a human hand to make the bent portion 15 of the push-up spring 11 horizontal against the elastic force, unlocking the sliding door 1 and making it horizontal. The sliding door 1 is opened by moving the outer sliding door 1 to which the plate 16 and the bent portion 15 are attached to the left in the gap formed between the sliding door 1 and the inner sliding door 1.

Next, when the inner sliding door 1 in the opened state is moved to the right and the outer sliding door 1 is closed, the bent portion 15 of the push-up spring 1 is automatically restored to the aforementioned bent state by elasticity. Then, the inner sliding door 1 is locked to a state where it is opened to less than 20 cm by the reinforcing plate 16.

INDUSTRIAL APPLICABILITY The present invention can be retrofitted to a sliding door of any sash such as a skylight type sash that has already been installed, a bathroom sash, a normal large-sized sash, or the like, and can be used for crime prevention as an anti-sliding door removal tool.

It is sectional explanatory drawing which shows the state by which the sliding door was accommodated in the conventional sash. It is plane explanatory drawing which shows the state by which the sliding door was accommodated in the conventional sash. It is plane explanatory drawing which shows the state which attached the retrofitting type | mold removal prevention tool for sliding doors of the sash of this invention to the upper inner surface of the sliding door. It is expansion sectional explanatory drawing which shows the state which attached the retrofitting type | mold removal prevention tool for sliding doors of the sash of this invention to the upper inner surface of the sliding door. It is expansion explanatory drawing of the reverse L-shaped height adjustment board of the retrofitting type | mold removal prevention tool for sliding doors of the sash of this invention. It is an expanded sectional explanatory view which shows the state which attached to the inner surface of the upper part of a sliding door the automatic push-up spring locking tool for sliding doors used together with the retrofitting type removal prevention tool for sliding doors of the sash of this invention.

DESCRIPTION OF SYMBOLS 1 Sash sliding door 2 Sash frame 3 Upper frame 4 Reverse L-shaped height adjustment plate 5 Mounting adjustment hole 6 Screw 7 Height adjustment bolt 8 Circular flat plate type taper cam 9 Guide 10 Automatic push-up spring lock for sliding door DESCRIPTION OF SYMBOLS 11 Push-up spring 12 Horizontal part 13 Board | substrate 14 Fixing plate 15 Bending part 16 Reinforcement board 17 Push-up spring stopper

Claims (3)

About attaching the inverted L-shaped height adjustment plate to the inner surface of the upper part of the sash sliding door, the tip of the inverted L-shaped height adjustment plate is close to the inner surface of the upper part of the sash frame or the lower end of the guide A sash post-mount removal prevention tool attached to the inner surface of the upper part of the sash sliding door. The post-attachment type removal prevention tool for sashes according to claim 1, wherein a fine adjustment screw is provided at the tip of the inverted L-shaped height adjustment plate. The substrate is welded to the back surface of the horizontal portion of the push-up spring bent at 5 to 45 degrees, and a fixing plate is welded to the surface of the horizontal portion of the push-up spring, and the reinforcing plate is fixed to the surface of the bent portion of the push-up spring. A push-up spring stopper is formed by welding at intervals of 0.1 to 0.5 mm, and the push-up spring stopper is attached to the outer sliding door. The tip of the bent portion of the push-up spring opens to less than 20 cm. At the position close to the end of the sliding door inside the state, attach the push-up spring stopper to the outside sliding door and press the reinforcement plate of this push-up spring stopper against the elasticity of the push-up spring to The sliding door is opened by unlocking the sliding door in the horizontal state and automatically restoring the bent portion of the push-up spring, which is closed and welded with the reinforcing plate, to the bent state by the elasticity of the push-up spring. 2 With type removal preventing device after sashes of combination with claim 1 or claim 2, wherein the sliding doors for automatic locking device for locking an open below cm.