JP2007032150A - Entrance door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an entrance door having a high crime prevention effect since a key hole is not exposed to the outside. <P>SOLUTION: This entrance door 1 comprises an access frame 2 formed in a building, a door 3 openably fixed to the inside of the access frame 2 through a pivot, an electric lock 4 locking and unlocking the door 3 by a dead bolt 42 extracted from and recessed into a cylinder case 41 disposed on the access frame 2 side, and a newspaper receiver 5 detachably fitted to the access frame 2 to cover the front face of the key hole 43 formed in the access frame 2 of the electric lock 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an entrance door provided at an entrance of a building, and more particularly to an entrance door having a high crime prevention effect.

  The entrance door provided at the entrance of a house, condominium, office, etc. includes an entry / exit frame fixed to the housing, a door fixed inside the entrance / exit frame so as to be opened and closed, and a locking mechanism for locking and unlocking the door. Since the security performance of the front door largely depends on the locking mechanism, what type of locking mechanism is used is an important problem for security.

In general, the entrance door is a door that locks and unlocks the door by inserting a key into a key hole provided near the knob and manually rotating the door. It has become widespread (see, for example, Patent Document 1). According to such an entrance door using an electric lock, the door can be locked and unlocked remotely by radio waves emitted from the key, and the trouble of inserting and locking the key into the keyhole can be saved.
JP 2000-328823 A

  By the way, even if it is an entrance door using an electric lock like the entrance door of patent document 1, the case where the key is inserted into the keyhole and unlocked at the time of emergency such as a power failure or when the battery on the key side runs out is assumed. Therefore, the keyhole is exposed so as to be visible from the outdoor side.

  However, even when using a cylinder that is unlocked by inserting a picking tool into the key hole exposed to the outdoor side, or using a cylinder that is difficult to pick, the position of the dead bolt that locks the door to the entrance frame is known from the position of the key hole. The dead bolt may be cut by a tool to open the door, or the cylinder itself may be destroyed to open the door, resulting in theft damage.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a front door that has a high crime prevention effect without exposing a keyhole to the outdoor side.

  In order to achieve the above object, an entrance door according to claim 1 is provided with an entrance / exit frame provided in a building, a door fixed to the inside / outside of the entrance / exit frame so as to be openable / closable by a shaft, and on the entrance / exit frame side An electric lock that locks and unlocks the door by a locking member that enters and exits from the arranged cylinder case, and a detachable attachment to the access frame so as to cover the front surface of the key hole provided in the access frame of the electric lock And a keyhole concealing member provided.

  The entrance door according to claim 2 is the entrance door according to claim 1, wherein the detection means detects that the keyhole concealing member has been removed from the entrance / exit frame, and the detection means is the entrance / exit frame of the keyhole concealment member. And alarm notifying means for notifying a predetermined external communication terminal of the occurrence of an abnormality while detecting a departure from the terminal, and generating an alarm after a predetermined time.

  The entrance door according to claim 3 is the entrance door according to claim 1 or 2, wherein the keyhole concealing member is a newspaper receptacle.

  According to the entrance door of claim 1 of the present invention, the entrance frame is provided on the building, the door is fixed to the inside of the entrance frame so as to be openable and closable by shaft suspension, and is disposed on the entrance frame side. An electric lock that locks and unlocks the door by a locking member that enters and exits from the cylinder case, and a key hole concealment that is detachably attached to the access frame so as to cover the front surface of the key hole provided in the access frame of the electric lock Since the keyhole of the electric lock is not exposed to the outdoor side, picking and the like can be prevented, and a high crime prevention effect can be obtained.

  According to the entrance door of claim 2, in addition to the effect of the entrance door of claim 1, when the keyhole concealing member is removed from the entrance / exit frame, an alarm is generated after a predetermined time and a predetermined external communication terminal Therefore, it is possible to obtain a higher crime prevention effect.

  According to the entrance door of claim 3, in addition to the effect of the entrance door of claim 1 or 2, since the keyhole concealing member is a newspaper receptacle, the keyhole of the electric lock can be prevented from being exposed to the outdoor side without a sense of incongruity. .

Hereinafter, although the entrance door which concerns on embodiment of this invention is demonstrated based on drawing, the entrance door provided in the entrance part of the dwelling unit of an apartment is demonstrated as a specific example.
1 and 2 are front views showing a schematic configuration of the entrance door 1 according to the present embodiment. As shown in the figure, an entrance / exit frame 2, a door 3, an electric lock 4, a newspaper tray (keyhole concealing member) 5 are shown. , A sensor (detection means) 6 and an alarm notification device (alarm notification means) 7.

  The entrance / exit frame 2 is provided at the entrance of a building such as a house, condominium, office, etc., and is made of a steel entrance / exit frame 20, a bottom entrance / exit frame 21, a first sleeve entrance / exit frame 22, and a second sleeve entrance / exit. It consists of a frame 23. Both end portions of the upper / lower frame 20 are fixed to the upper ends of the first sleeve input / output frame 22 and the second sleeve input / output frame 23, respectively, and the lower ends of the first sleeve input / output frame 22 and the second sleeve input / output frame 23 are lower / entry. The entrance / exit frame 2 is formed by being fixed to both ends of the frame 21, and the entrance / exit of the entrance is formed by being fixed to the housing. The lower entry / exit frame 21 is partially embedded in the floor so as not to obstruct entry / exit. As shown in FIG. 3, the first sleeve access frame 22 and the second sleeve access frame 23 are filled with a heat insulating material 24 such as rock wool.

  As shown in FIG. 1, the first sleeve access frame 22 has a predetermined width when viewed from the front, and receives a room number 25, a resident name tag 26, an interphone 27 with a camera, and an electric lock 4 on the outside of the room. A container 40 is provided, and a cylinder case 41 is disposed therein. As described above, since the cylinder case 41 is disposed inside the first sleeve entry / exit frame 22, the electrical wiring 42 for supplying electric power to the cylinder case 41 also has the first sleeve as shown in FIGS. Arranged inside the access frame 22. As described above, since the electric wiring 42 does not pass through the movable portion unlike the case where the cylinder case 41 is disposed on the door 3 side, a failure such as the electric wiring 42 being cut off hardly occurs. Further, as shown in FIG. 1, the first sleeve access frame 22 is provided with a key hole 43 of the cylinder case 41, and a sensor 6 is provided in the vicinity of the key hole 43. A newspaper tray 5 is detachably attached with a bolt so as to cover the front surface. Further, as shown in FIG. 2, an inspection lid 28 is provided on the indoor side of the first sleeve access frame 22.

  The door 3 is a door fixed to the inside of the entrance / exit frame 2 so as to be openable and closable by shaft suspension. As shown in FIG. 3, the door 3 is axially suspended by a hinge 30 at the upper and lower ends of the second sleeve entrance / exit frame 23 side. Has been. Therefore, the door 3 is not removed from the entrance / exit frame together with the door unlike the door fixed to the entrance / exit frame 2 by a hinge so as to be openable and closable. A hole 31 corresponding to a dead bolt (locking member) 42 entering and exiting from the cylinder case 41 is formed in the end surface of the door 3 on the first sleeve entrance / exit frame 22 side. 1 and 2, the door 3 includes a push handle 32 for opening and closing the door 3, a door scope 33 for confirming visitors, and the door 3 as shown in FIG. A door closer 34 for self-closing and a stopper 35 for preventing the door 3 from opening more than a predetermined interval are provided. If the door scope 33 is a thing with a lid, the inside cannot be seen from the outdoor side and it is preferable on crime prevention.

  The electric lock 4 includes a receiver 40, a cylinder case 41, and a control panel (not shown). The cylinder case 41 is disposed on the entrance / exit frame 2 side, and the door 3 is opened and closed by a dead bolt 42 that enters and exits the cylinder case 41. It is something to lock. Specifically, at the outdoor side, the receiver 40 receives radio waves generated by pressing the button 80 of the key 8 shown in FIG. 4, outputs the ID verification result to the control panel, and controls the control signal of the control panel. , A motor (not shown) is driven so that the dead bolt 44 protrudes from the cylinder case 41 to the door 3 side, is inserted into the hole 31 and locked, and the key 8 is held over the receiver 40, so that it is the same as when locked. In addition, the receiver 40 receives the radio wave, and the dead bolt 44 is moved backward to the cylinder case 41 by the control signal of the control panel and unlocked. The electric lock 4 can also be locked and unlocked by inserting the key 8 into the key hole 43 of the cylinder case 41 and turning it. On the indoor side, a signal is input to the control panel by operating a touch switch (not shown) provided on the wall, and locking / unlocking is performed according to the signal. As shown in FIG. 4, the inspection lid 28 provided on the first sleeve access frame 22 is opened, and the thumb turn 45 of the cylinder case 41 is rotated to be locked and unlocked.

  The newspaper receiver 5 includes a cylindrical portion 50 formed in a substantially rectangular cylindrical shape in plan view so that a newspaper can be inserted from above, and a receiving portion 51 which is a housing having an upper opening for receiving the lower portion of the newspaper. It will be. The cylinder part 50 is attached to the entrance / exit frame 2 with bolts above the receiving part 51. The receiving portion 51 is detachably attached to the entrance / exit frame 2 with bolts so as to cover the front surface of the key hole 43 so that the key hole 43 of the electric lock 4 is not exposed to the outdoor side. 6 also covers the front of the outdoor side.

  The sensor 6 is provided in the first sleeve entry / exit frame 22 in the vicinity of the keyhole 43 of the electric lock 4, and the outdoor front surface thereof is covered by the receiving part 50 of the newspaper receiver 5, and the receiving part 50 is provided in the entry / exit frame. 2 is a sensor that functions as a detecting unit that detects that the sensor has been removed from the sensor 2, for example, a reflective optical sensor.

  As shown in FIG. 5, the alarm reporting device 7 includes a control unit (CPU: Central Processing Unit) 70, a ROM (Read Only Memory) 71, a RAM (Random Access Memory) 72, a communication unit 73, an operation unit 74, and a display. The sensor 6 and each of the units 70 to 75 are communicably connected by a bus 76.

  The control part 70 controls each part which comprises the alarm notification apparatus 7 according to the control program stored in ROM71. The ROM 71 stores a control program for controlling each unit of the alarm notification device 7 by the control unit 70.

  The RAM 72 functions as the main memory, work area, etc. of the control unit 70, and generates an alarm when the sensor 6 detects that the receiving unit 50 of the newspaper tray 5 has been removed from the loading / unloading frame 2. In addition, it stores a set time 720 until a predetermined external communication terminal 77 is notified of the occurrence of an abnormality. In the set time 720, when there is no abnormality such as when the receiving unit 50 is removed from the entrance / exit frame 2 by a resident of the room where the entrance door 1 is installed, an alarm is not generated or an abnormality is not reported. It is the time set to make a time lag. If the key 8 is inserted into the keyhole 43 before the set time 720 elapses, it is possible not to generate an alarm or report an abnormality, and in this case, prevent an unnecessary alarm or an abnormality from occurring. It is possible and preferable. The RAM 72 stores communication destination information 721 of the external communication terminal 77 that reports the occurrence of an abnormality. The communication destination information 721 is, for example, a mobile phone number of a resident in a room where the entrance door 1 is installed, a telephone number of a security company, and the like, and is registered by the operation unit 74.

  The communication unit 73 includes a modem 78 and an NCU (Network Control Unit) 79. The modem 78 is, for example, a recommendation V.16 of ITU-T (International Telecommunication Union Telecommunication Standardization Sector). Modulation and demodulation of transmission / reception data according to the 34 standard or the like. The NCU 79 is a line network control device that controls a telephone line to make or cut a call, and is connected to the public switched telephone network 80.

  The operation unit 74 includes various operation keys linked to the display unit 75 such as cursor keys for performing various settings / registrations of the alarm notification device 7, and various input operations by the user are performed in the operation unit 74. Is called. The display unit 75 includes a liquid crystal display (LCD) and a speaker. The liquid crystal display device of the display unit 75 may be a touch panel type, and various settings / registrations of the alarm notification device 7 may be performed from the display unit 75 instead of the operation unit 74.

  In the alarm notification device 7 configured as described above, when the sensor 6 detects the separation of the receiving part 50 of the newspaper receiver 5 from the entrance / exit frame 2, the control part 70 displays the display part 75 after the set time 720 has elapsed. A warning sound is generated from the speaker, and an alarm is generated, and the external communication terminal 77 corresponding to the communication destination information 721 registered in advance in the RAM 72 is notified of the occurrence of abnormality via the communication unit 73.

  As is clear from the above description, according to the entrance door 1 according to the embodiment of the present invention, the keyhole 43 of the electric lock 4 is covered by the receiving portion 50 of the newspaper receiver 5 so as not to be exposed to the outdoor side. Therefore, the keyhole 43 can be hidden without a sense of incongruity, picking and the like can be prevented, and a high crime prevention effect can be obtained.

  Further, when the receiving part 50 material of the newspaper receiver 5 is removed from the entrance / exit frame 2, an alarm is generated after the set time 720 has elapsed by the alarm notification device 7, and the occurrence of an abnormality is notified to a predetermined external communication terminal 77. Therefore, a higher crime prevention effect can be obtained.

  In addition, this invention is not limited to the said embodiment, A various deformation | transformation implementation is possible within the range of the summary of this invention. For example, in this embodiment, the newspaper tray 5 is attached to the first sleeve access frame 22 as a keyhole concealing member, but an umbrella stand or the like may be used. The electric lock 4 is locked when the button 80 of the key 8 is pressed and unlocked when the key 8 is held over the receiver 40. However, when the door 3 is closed, the electric lock 4 is automatically locked. When the button 80 is pressed, it may be unlocked. When the sensor 6 detects that the receiving part 50 of the newspaper receiver 5 has been removed from the loading / unloading frame 2, the external communication terminal 77 corresponding to the communication destination information 721 registered in advance in the RAM 72 is connected via the communication part 73. The alarm notification device 7 is provided with an electronic mail transmission means, and the mail address of the external communication terminal 77 is registered in the RAM 72 as the communication destination information 721, and the external communication terminal is transmitted by electronic mail. It is also possible to report the occurrence of abnormality to 77. Moreover, although the warning sound was sounded from the speaker as the generation of the alarm, the alarm may be generated by emitting light.

  INDUSTRIAL APPLICATION This invention can be utilized for the entrance door provided in the entrance part of buildings, such as a house, a condominium, and an office.

It is an outdoor side front view which shows an example of a structure of the entrance door which concerns on embodiment of this invention. It is a room side front view which shows an example of a structure of the entrance door which concerns on embodiment of this invention. It is a plane sectional view showing an example of composition of an entrance door concerning an embodiment of the invention. It is a front view which shows an example of the key corresponding to an electronic lock. It is a block diagram which shows an example of a structure of an alarm notification apparatus.

Explanation of symbols

1 Entrance door 2 Entrance / exit frame 3 Door 4 Electronic lock 5 Newspaper holder (key hole concealment member)
6 Sensor (detection means)
7 Alarm reporting device (alarm reporting means)
41 Cylinder case 42 Dead bolt (locking member)
43 Keyhole

Claims (3)

Access frame provided in the building,
A door fixed to the inside of the access frame so as to be freely opened and closed by a shaft suspension;
An electric lock that locks and unlocks the door with a locking member that enters and exits from a cylinder case disposed on the entry / exit frame side;
A keyhole concealment member detachably attached to the access frame so as to cover the front surface of the keyhole provided in the access frame of the electric lock;
The entrance door characterized by comprising. Detecting means for detecting that the keyhole concealing member is removed from the access frame;
An alarm notifying means for generating an alarm after a predetermined time and notifying the occurrence of an abnormality to a predetermined external communication terminal when the detecting means detects the separation of the keyhole concealing member from the access frame;
The entrance door of Claim 1 characterized by the above-mentioned.   The entrance door according to claim 1 or 2, wherein the keyhole concealing member is a newspaper tray.

Images