JP3771928B2 - Unauthorized door opener - Google Patents

Description

  The present invention relates to an unauthorized opening prevention tool for an automatic door, and more particularly to an unauthorized opening prevention tool for preventing unauthorized opening of an automatic lock type automatic door.

Currently, it is said that there are 44,700,000 units and approximately 400,000 apartments in Japan.
Conventionally, in a building such as a condominium, an automatic lock type automatic door has been adopted in order to prevent unauthorized entry from the outside.
Auto-locking automatic doors automatically lock once the door is closed. When entering the building, the resident can use the key of the residence or enter the personal identification number on the operation panel to open the automatic door and enter. In addition, a visitor can enter a room number on the operation panel, contact a resident inside the building, have the automatic door open from the room, and enter the building.

  On the other hand, when going out of the building, a sensor provided near the automatic door inside the building senses a person, and the automatic door opens in conjunction with this detection, so residents are special. It is possible to go outside without any operation.

FIG. 20 shows a configuration of a general automatic lock type automatic door.
The automatic lock type automatic door includes a door 101 provided at an opening of a building, an operation panel 102 for opening the door, and a sensor 103 provided near the door inside the building. Since FIG. 20 shows a state viewed from the outside of the building, the sensor 103 is indicated by a chain line.
The automatic door drive mechanism is provided above the opening, and the door 101 is suspended from the drive mechanism.

A steady rest 104 is provided at the lower part of the door 101, and the steady rest 104 slides inside a guide rail 105 provided below the opening.
As shown in the figure, the door 101 is configured to be suspended and slid from above, so that the door 101 and the lower side of the opening (that is, the ground of the opening), except where the steady rest 104 is provided, A slight gap is formed between them.

  In the conventional automatic lock type automatic door, there is a problem that unauthorized intrusion is permitted by a method in which a paper or a thin plate is inserted from this gap and the internal sensor 103 detects it and opens the automatic door illegally. there were.

  If an illegal intrusion occurs, further damage is expected, such as picking by an intruder or destruction of a door. In addition to theft of goods, crimes such as stalker crimes and kidnappings are now diversifying, and it is desired to respond as soon as possible.

As an auto-lock type automatic door that prevents the unauthorized intrusion, a configuration shown in Patent Document 1 has been proposed.
The automatic lock type automatic door of Patent Document 1 is provided with a sensor inside and outside the door, and when an external sensor senses a person or an object, and at the same time an internal sensor senses a person or an object, It is configured to lock the door as having been cheated by inserting a thin plate from the outside.

Utility Model Registration No. 310496 (3rd page)

In the technique of Patent Document 1, when an intruder stands at the door entrance and inserts paper or the like through a gap in the door and activates a sensor inside the door to illegally open the door, This sensor simultaneously detects this and the door is locked, so that unauthorized entry can be prevented.
However, in the technique of Patent Document 1, it is necessary to attach the sensor to the outside of the door. In addition, it is necessary to newly provide a switch circuit for door locking in conjunction with the sensor, and there is a disadvantage in that it takes time and cost to attach to an existing automatic lock type automatic door.

  An object of the present invention is to provide an unauthorized door opening prevention tool capable of preventing unauthorized door opening by an intruder with a simple configuration in an automatic lock type automatic door.

According to the unauthorized opening prevention device according to claim 1, the subject is an unauthorized opening prevention device that is attached to the auto-locking automatic door separately from the steady rest, and has an approximately L-shaped mounting member. And an auxiliary member having a substantially L-shaped cross section made of another member that can be engaged with the mounting member, and the mounting member has a substantially L-shaped cross section on the door surface facing the indoor side or the outdoor side of the automatic door. one surface is brought into contact, the other surface of the substantially L-shaped cross section is disposed extending outdoor side from the indoor side or the outdoor side, the indoor side, the auxiliary member under surface of the automatic door in cross section to position the L-shaped one face of, disposed is substantially L-shaped cross-section of the other surface extending downward from the lower surface of the automatic door, of the auxiliary member, the lower surface of the automatic door The portion extending downward is formed narrower than the width of the opening of the guide rail of the automatic door. , A combination of the substantially L-shaped cross section of the auxiliary member and the substantially L-shaped cross section of the mounting member, is solved by coating the gaps generated in the automatic door.

  By using the unauthorized opening prevention tool of the present invention, it is possible to shield the gap generated in the automatic door, prevent the insertion of a thin plate-like object such as paper from the gap, and unauthorized opening of the automatic door Can be reliably prevented.

Before SL assisting member, in particular it is made of a resin or rubber.

The said clearance gap is a clearance gap produced between the door lower end part of the said automatic door, and the lower side of the opening part by which the said automatic door is arrange | positioned. Alternatively, the gap is a gap between the draw type doors, or a gap formed between the single-draw type door and the opening in which the door is disposed.

The attachment member is attached to the frame portion of the automatic door.

  In addition, when providing an attachment hole in an attachment member, it is suitable if an attachment hole is made into a long hole. Since the fixing member can be moved in the elongated hole and the fixing position can be adjusted, the position of the fixing member can be adjusted in the elongated hole, and the fixing member can be attached at an optimum position.

That is, the mounting member is made of metal, and the mounting member is provided with a mounting hole for a fixing member. The mounting hole includes a first mounting hole extending in a vertical direction of the automatic door, and the first mounting. A long hole comprising a second mounting hole extending leftward from the hole and a third mounting hole extending rightward from the first mounting hole , the fixing member being movable within the long hole The fixed position can be adjusted. Further, the second mounting hole and the third mounting hole are arranged with their positions shifted. With such a configuration, the fixing members can be dispersed and attached to a plurality of positions instead of one place. Therefore, it becomes possible to attach the unauthorized opening preventing tool to the door in a state where it is firmly and stable and difficult to remove.
It is preferable that the auxiliary member has a mounting hole extending in the left-right direction of the automatic door, and the mounting position on the mounting member can be adjusted by changing the position of the fixing member through the mounting hole. is there.

According to the unauthorized opening prevention tool of the present invention, it is possible to reliably prevent unauthorized opening with an automatic lock automatic door with a simple configuration without using an expensive device such as a sensor or a control system. It becomes possible.
Further, the unauthorized opening prevention tool of the present invention can be easily installed by anyone without requiring specialized knowledge and skills, and can be used for crime prevention quickly.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. It should be noted that members, arrangements, and the like described below do not limit the present invention, and it goes without saying that various modifications can be made in accordance with the spirit of the present invention.
FIG. 1 to FIG. 14 show one embodiment of the unauthorized opening prevention device according to the present invention. FIG. 1 is an explanatory view showing a state in which the unauthorized opening prevention device is attached to an automatic door, and FIG. FIG. 3 is a front view of the mounting member for the unauthorized opening prevention device of the present invention, FIG. 4 is a perspective view of the mounting member for the unauthorized opening prevention device, FIG. 5 is an enlarged view of the mounting member, and FIG. FIG. 7 is an enlarged view of a screw mounting hole forming portion of the mounting member, FIG. 8 is an explanatory view of the fixing member, FIG. 9 is a sectional view of the mounting member, and FIG. 10 is a perspective view of the auxiliary member. 11 is an enlarged view of the auxiliary member, FIGS. 12A and 12B are explanatory views showing the engagement between the mounting member and the auxiliary member, FIG. 13 is an explanatory view showing the configuration of the automatic door, and FIG. It is explanatory drawing which shows the unauthorized opening prevention tool attached to.

  As shown in FIGS. 1 and 2, the unauthorized opening prevention device 10 of this example includes an attachment member 11 and an auxiliary member 15, and is attached to a door member 31 of an automatic door, and a gap generated in the automatic door. Are covered. The attachment member 11 and the auxiliary member 15 are formed in a long plate shape.

  As shown in FIGS. 3 and 4, the attachment member 11 is a long member having a substantially L-shaped cross section. The attachment member 11 is made of a metal such as aluminum or stainless steel, for example. The attachment member 11 is formed with an attachment hole 12 used when attaching to the automatic door 30.

  The attachment member 11 is attached to the automatic lock type automatic door 30 by disposing a screw 20 as a fixing member in the attachment hole 12. As shown in FIG. 8, the screw 20 includes a head portion 21 and a leg portion 22.

The screw attachment holes 12 are formed at three locations, both ends of the attachment member 11 and a substantially central portion. The screw attachment hole 12 is formed by providing a slit-like cutout in the attachment member 11.
A screw 20 as a fixing member is disposed in the screw mounting hole 12, and the unauthorized door opening prevention tool 10 is attached to the automatic door 30 by the screw 20.

As shown in FIG. 6, the screw mounting hole 12 includes a first mounting hole 12a formed in the vertical direction of the automatic door 30, and a second mounting hole 12b extending leftward from the first mounting hole 12a. And a third mounting hole 12c extending rightward from the first mounting hole 12a.
The second mounting hole 12b and the third mounting hole 12c are formed so as to be shifted in position, and are configured not to be positioned on the same line.

As described above, the screw mounting hole 12 has a predetermined length in the vertical direction and the horizontal direction, and can be mounted at a desired position while adjusting the mounting position of the screw 20. It is.
That is, the screw 20 can be attached at any location within the range of the screw attachment hole 12.

  In addition, the first to third mounting holes are provided, and the second mounting hole 12b and the third mounting hole 12c are formed so as to be displaced from each other. Can be attached to a plurality of positions. Therefore, the unauthorized door opening prevention tool 10 can be attached to the automatic door 30 firmly and stably.

  Further, as shown in FIG. 7, the screw mounting hole 12 is formed with an opening 11 b between the end of the mounting member 11. In this way, by providing the space 11b, when the unauthorized door opening prevention device 10 is attached to the automatic door 30, the attachment member 11 can be prevented from being deformed and the strength of the attachment member 11 can be maintained.

  FIG. 9 is a cross-sectional view of the attachment member 11 at a portion where the screw attachment hole 12 is provided. As shown in the figure, the screw mounting hole 12 is formed to have a width slightly wider than the diameter of the leg portion 22 of the screw 20 so that the screw 20 can move along the screw mounting hole 12.

  A tapered portion 12 d is provided at the edge of the screw mounting hole 12. The tapered portion 12 d is provided on the surface 11 c side of the mounting member 11. When the screw 20 is disposed, the head portion 21 of the screw 20 is engaged with the tapered portion 12d. The taper portion 12d makes it possible to fit the screw 20 in a well-contained manner.

  Further, as shown in FIGS. 4 and 5, the attachment member 11 is provided with a folded portion 13. The folded portion 13 is formed as a surface that is substantially perpendicular to the surface 11 a of the mounting member 11. The folded portion 13 is formed on one side of the attachment member 11 in the longitudinal direction. As shown in FIG. 5, the folded portion 13 is folded so that the front surface 11 c side of the main body portion 13 is a mountain and the back surface 11 d side is a valley.

  The folding | returning part 13 is used as an engaging part with the auxiliary member 15 mentioned below. The folded portion 13 is provided with a screw hole 14, and is connected to the auxiliary member 15 by a screw disposed in the screw hole 14.

  In addition to functioning as a connecting portion with the auxiliary component 15, the folded portion 13 can increase the strength of the attachment member 11 by providing the folded portion 13. By increasing the strength of the mounting member 11, it is possible to prevent the act of forcibly deforming the unauthorized opening prevention tool 10 and inserting a thin plate-like object through the gap.

  Next, the auxiliary member 15 will be described. As shown in FIG. 10, the auxiliary member 15 is a long member having a substantially L-shaped cross section. The auxiliary member 15 is made of resin or rubber, and is made of, for example, silicon rubber having excellent weather resistance, chloropyrene rubber (CR) having excellent mechanical strength and weather resistance, or urethane.

  FIG. 11 is an enlarged view of the auxiliary member 15. As shown in the drawing, the auxiliary member 15 is provided with a folded portion 17 for connection to the attachment member 11. An attachment hole 16 is formed in the folded portion 17. The attachment hole 16 is formed as a long hole, and is configured so that the screw attachment position can be easily adjusted.

  FIG. 12 is a cross-sectional view showing a state in which the mounting member 11 and the auxiliary member 15 are combined. As shown in FIG. 12A, the unauthorized opening prevention tool 10 includes an attachment member 11 and an auxiliary member 15. Then, as shown in FIG. 12B, the folded door preventing tool 10 is formed by engaging and fixing the folded portion 13 of the attachment member 11 and the folded portion 17 of the auxiliary member 15.

Next, a process of attaching the unauthorized door opening prevention tool 10 having the above configuration to the automatic lock type automatic door 30 will be described.
As shown in FIG. 13, the automatic lock type automatic door 30 is provided in the opening 1 of the building. The door member 31 of the automatic door 30 is made of glass, wood, stainless steel or the like. The door member 31 shown in FIG. 13 is provided with a frame portion 32 around it.
The automatic door 30 is driven to open and close by a drive mechanism (not shown) and is suspended from the drive mechanism. The door member 31 is provided with a steady rest 33, and the steady rest 33 slides inside a guide rail 34 provided below the opening.
The unauthorized opening prevention tool 10 of this example is attached so as to cover a gap generated in the automatic door 30.

1, 2, and 14 illustrate a configuration in which a gap generated below the automatic door 30 is covered with the unauthorized opening preventing tool 10 of the present example.
As shown in FIG. 14, the unauthorized opening prevention tool 10 used in this example has a configuration in which three auxiliary members 15 are attached to one attachment member 11. By using the unauthorized opening prevention tool 10 having such a configuration, the number of connecting portions with the door member 31 can be minimized, and the trouble of mounting the unauthorized opening prevention tool 10 can be reduced. Become.

As shown in FIGS. 1 and 2, the unauthorized opening prevention tool 10 is arranged so as to close a gap generated between the lower end portion of the door member 31 and the lower side of the opening portion 1 (that is, the ground 1a of the opening portion). Established.
The unauthorized opening prevention tool 10 is attached from the indoor side. At this time, as shown in FIG. 1, the attachment member 11 is abutted against the frame portion 32 of the door member 31, and the folded portion 13 is attached so as to protrude outward from the indoor side.

  When attaching the unauthorized opening prevention tool 10 to the door member 31, first, the unauthorized opening prevention tool 10 is positioned in the guide rail 34 with the door member 31 being opened. Next, the door member 31 is closed. As a result, the door member 31 is positioned on the attachment member 11 of the unauthorized opening prevention device 10 positioned in the guide rail 34.

  When the door member 31 is positioned on the unauthorized opening prevention tool 10, the screw 20 is disposed in the screw attachment hole 12 of the attachment member 11, and the unauthorized opening prevention tool 10 is attached to the door member 31.

  When the unauthorized opening prevention tool 10 is attached to the door member 31, the auxiliary member 15 protrudes from below the door member 31 and enters the guide rail 34 as shown in FIGS. 1 and 2. In this way, the gap below the automatic door 30 is completely closed by the unauthorized opening prevention tool 10, and it becomes impossible to insert a thin plate-like object from outside the building. In this example, since the auxiliary member 15 is formed of silicon rubber, even if the guide rail 34 is touched, the guide rail 34 is not damaged.

The unauthorized opening prevention device 10 can be attached to any material as long as the screw 20 can be fixed, such as a frame portion 32 of a glass door, a wooden door, or a metal door.
Some automatic doors made of glass do not include the frame portion 32. Reference examples are shown in FIGS. In this case, as shown in FIG. 15, the auxiliary member 15 formed of silicon rubber can be attached using a double-sided tape or an adhesive. This makes it possible to cover the gap without damaging the glass. Moreover, since it is a silicon rubber, it becomes possible to arrange | position well with glass.

  In addition, some automatic doors 30 may be configured without the guide rail 34. In this case, as shown in FIG. 16, only the attachment member 11 may be attached. At this time, it is preferable that an appropriate gap is provided between the mounting member 11 and the floor surface so as not to pass the thin plate-like object so that the mounting member 11 does not rub the floor surface.

  In the example of FIG. 16, the auxiliary member 15 formed of silicon rubber may be attached using a double-sided tape or an adhesive instead of the attachment member 11. In particular, when the automatic door 30 is made of glass and does not include a frame portion, the auxiliary member 15 can be easily attached.

  In addition, some automatic doors are not flat doors but have curved designs with curved surfaces. In the case of such an automatic door, the shape of the unauthorized opening prevention tool 10 may be a shape that matches the surface shape of the door.

Furthermore, as shown in FIG. 17, the unauthorized opening prevention tool 10 of this example may be applied to a gap generated between the door members 31 in the draw type automatic door 30. In this case, the attachment member 11 or the auxiliary member 15 of the unauthorized opening prevention device 10 is attached to the side surface of the door member 31.
Similarly, in the one-pull type automatic door 30, the clearance generated between the door member 31 and the opening 1 may be applied.

Moreover, although the example which formed the attachment member 11 from the metal was shown in the said Example, not only this but the attachment member 11 may be formed from resin or rubber | gum. Moreover, although the example which formed the auxiliary member 15 from resin or rubber | gum was shown, you may form not only this but the auxiliary member 15 from a metal.
Furthermore, in the said Example, although the example which attaches the unauthorized door prevention tool 10 to the indoor side was shown, you may attach not only to this but an outdoor side. When mounting outside, it is preferable to use a one-way screw or the like that is difficult to remove once fastened.

Moreover, in the said Example, although the screw attachment hole 12 showed the structure formed in the elongate shape extended to an up-down direction and the left-right direction, it is the structure provided only in either the up-down direction or the left-right direction, Also good.
Or as shown in FIG. 18, it is good also as a structure which fixes the screw 20 only in the both ends part side of the screw attachment hole 12. As shown in FIG.
Furthermore, as shown in FIG. 19, it is good also as a structure which made the some screw hole 12e continuous. With such a shape, the screw 20 can be easily positioned.

It is explanatory drawing which shows the state which attached the unauthorized opening prevention tool of this invention to the automatic door. It is sectional drawing of FIG. It is a front view of the attachment member of the unauthorized opening prevention tool of this invention. It is a perspective view of the attachment member of the unauthorized opening prevention tool of this invention. It is an expansion perspective view of an attachment member. It is an enlarged view of the screw attachment hole of an attachment member. It is an enlarged view of the screw attachment hole formation location of an attachment member. It is explanatory drawing of a fixing member. It is sectional drawing of an attachment member. It is a perspective view of an auxiliary member. It is a principal part enlarged view of FIG. It is explanatory drawing which shows the state which assembled | attached the attachment member and the auxiliary member and formed the unauthorized opening prevention tool. It is explanatory drawing which shows the structure of an automatic door. It is explanatory drawing which shows the unauthorized opening prevention tool used when shielding the clearance gap below an automatic door. It is explanatory drawing which shows the other attachment state of an unauthorized opening prevention tool. It is explanatory drawing which shows the other attachment state of an unauthorized opening prevention tool. It is explanatory drawing which shows the state which shielded the clearance gap between doors with an unauthorized door prevention tool. It is explanatory drawing which shows the other shape of a screw attachment hole. It is explanatory drawing which shows the other shape of a screw attachment hole. It is explanatory drawing which shows a general self-locking type automatic door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening part of a building 1a Ground 10 Improper opening prevention tool 11 Mounting member 11a Surface of mounting member 11b Space 11c Surface of mounting member 11d Back surface of mounting member 12 Screw mounting hole 12a First mounting hole 12b Second mounting hole 12c Third mounting hole 12d Tapered portion 13 Folded portion 14 Screw hole 15 Auxiliary member 16 Mounting hole 17 Folded portion 20 Adhering member (screw)
21 Head 22 Leg 30 Automatic Door 31 Door Member 32 Frame 33 Stabilization 34 Guide Rail

Claims (8)

A tamper-proof door opening device that is attached to the auto-locking automatic door separately from the steady rest.
A mounting member having a substantially L-shaped cross section, and an auxiliary member having a substantially L-shaped cross section made of another member that can be engaged with the mounting member,
The mounting member abuts one surface having a substantially L-shaped cross section on a door surface facing the indoor side or the outdoor side of the automatic door, and the other surface having a substantially L-shaped cross section is from the indoor side to the outdoor side. Or extended from the outdoor side to the indoor side,
It said auxiliary member is the under surface of the automatic door is positioned to one side of the substantially L-shaped cross section is disposed is substantially L-shaped cross-section of the other surface extending downward from the lower surface of the automatic door,
The portion of the auxiliary member that extends downward from the lower surface of the automatic door is formed narrower than the width of the opening of the guide rail of the automatic door,
An unauthorized opening preventer characterized by covering the gap generated in the automatic door by combining the mounting member having a substantially L-shaped cross section and the auxiliary member having a substantially L-shaped cross section.   The unauthorized opening prevention tool according to claim 1, wherein the auxiliary member is made of resin or rubber.   2. The unauthorized opening prevention tool according to claim 1, wherein the gap is a gap formed between a lower end portion of the automatic door and a lower side of an opening in which the automatic door is disposed.   2. The unauthorized opening prevention according to claim 1, wherein the gap is a gap between the draw type doors or a gap formed between the single-draw type door and an opening in which the door is disposed. Ingredients.   The unauthorized opening prevention tool according to claim 1, wherein the attachment member is attached to a frame portion of the automatic door. The mounting member is made of metal, and the mounting member is provided with a mounting hole for a fixing member,
The mounting holes include a first mounting hole extending in the vertical direction of the automatic door, a second mounting hole extending leftward from the first mounting hole, and a right direction from the first mounting hole. 2. The unauthorized opening of claim 1, wherein the fixing member is movable in the elongated hole, and the fixing position can be adjusted. Prevention tool.   The unauthorized opening prevention tool according to claim 6, wherein the second mounting hole and the third mounting hole are arranged so as to be shifted in position.   The auxiliary member includes a mounting hole extending in a left-right direction of the automatic door, and the mounting position on the mounting member is adjusted by changing the position of the fixing member through the mounting hole. Unauthorized door opening prevention device.

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