JP5140281B2 - Electric lock - Google Patents

Description

  The present invention relates to an electric lock that automatically locks or unlocks a door based on a drive signal from a control device.

In recent years, for example, so-called electric locks have been used from the viewpoint of ensuring the convenience of a door of a house. For example, when an electronic key held by a user who is outdoors is operated, the control device unlocks the electric lock based on a signal sent from the electronic key, and a predetermined time elapses after the door is closed. Sometimes the control device locks the electric lock. Further, for example, as shown in Patent Document 1, when a user having an electronic key enters a predetermined area around the door, the control device recognizes this through predetermined wireless communication, unlocks the electric lock, and electronic It is also known that the control device locks the electric lock when the user who has the key leaves the predetermined area. According to such an electric lock, it is not necessary to perform an actual key operation when the door is locked and unlocked, so that convenience is ensured.
JP 2001-241227 A

  In recent years, with the development of various locking and unlocking devices including the above-described electric locks, the methods of entering a house or the like are also diversifying. For example, in the above-described conventional electric lock, a wire connecting the electric lock and its control device is taken out by breaking the door by some method, and the electric lock is illegally unlocked through the taken-out wire. Intrusion techniques such as This is due to the fact that the electric lock and its control device are often connected in parallel from the viewpoint of communication speed. However, the actual situation is that no countermeasures against unauthorized unlocking of the electric lock by taking out the wiring are taken.

  The present invention has been made to solve the above-mentioned problems, and the object thereof is to improve the crime prevention performance against unauthorized unlocking by making it difficult to take out the wiring connecting the electric lock and its control device. An object of the present invention is to provide an electric lock that can be secured.

According to the first aspect of the present invention, the drive device provided on the side surface on the indoor side of the door is operated based on the drive signal supplied through the wiring from the control device provided inside the door for the building. The dead bolt constituting the locking mechanism provided inside the door is displaced between a locking position where the dead bolt is engaged with the bolt receiver provided on the building side and a release position where the engagement with the bolt receiver is released. In the electric lock, the control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket, and the interior of the protective container and the design container is interposed between them. provided with a communicating pipe that communicates, Ri name to the communicating tube is passed through the wiring connecting the control unit and the drive unit, in the interior of the guard vessel, and can accommodate a wire drawn out from the control device accommodation Set up In addition, a lead-out hole for leading the wiring drawn into the housing portion to the outside is formed in a portion corresponding to the housing portion on the indoor side wall of the protective container, and the lead-out on the indoor side wall of the door is formed. A door through hole is formed in the portion corresponding to the hole so that the communication pipe can be inserted. Further, the communication pipe is formed integrally with the bracket, and the front inner peripheral edge of the communication pipe can contact the surface of the protective container. An annular connecting member is formed, the communicating tube is inserted from the outside into the door through-hole, and the connecting member is in contact with the peripheral edge of the lead-out hole in the protective container. The gist of the present invention is that the communication pipe is fixed to the protective container by inserting and fastening the fastening member .

  According to this invention, the wiring which connects a control apparatus and a drive device is introduce | transduced into the inside of a design container through a communicating pipe from the inside of a protective container. For this reason, in order to take out the wiring that connects the control device and the drive device from the outdoor side for the purpose of unauthorized unlocking of the electric lock, in addition to the door, the protective container or communication pipe that houses the control device is also destroyed. There is a need to. That is, the electric lock of the present invention has a high defense function against a destructive action such as a door. Accordingly, it is difficult to take out the wiring connecting the electric lock and the control device, and thus it is possible to suitably ensure the security performance against unauthorized unlocking. In addition, the control device is housed in a protective container and only provides a communication pipe that communicates between the protective container and the design container, so that the structure and circuit configuration of the existing electric lock are greatly changed. It can be configured without.

In addition, according to the present invention, the communication pipe integrally formed with the bracket is inserted into the door through-hole from the outside, and only the fastening member is fastened by the fastening member in a state where the connection member of the communication pipe is in contact with the protective container. Therefore, the installation work of the communication pipe becomes easy.

According to the second aspect of the present invention, the drive device provided on the side surface on the indoor side of the door is operated based on the drive signal supplied through the wiring from the control device provided inside the door for the building. The dead bolt constituting the locking mechanism provided inside the door is displaced between a locking position where the dead bolt is engaged with the bolt receiver provided on the building side and a release position where the engagement with the bolt receiver is released. In the electric lock, the control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket, and the interior of the protective container and the design container is interposed between them. A communication portion that is provided with a communication pipe that communicates, and a wiring that connects the control device and the drive device is passed through the communication pipe, and the protective container can accommodate the wiring drawn from the control device. Set up In addition, a lead-out hole for leading the wiring drawn into the housing portion to the outside is formed in a portion corresponding to the housing portion on the indoor side wall of the protective container, and the lead-out on the indoor side wall of the door is formed. Form a door through hole that allows the communication tube to be inserted into the portion corresponding to the hole, and further form a bracket through hole that allows the communication tube to be inserted into the portion corresponding to the door through hole of the bracket, An annular flange is formed on the outer circumferential edge of the end opposite to the end on the insertion side of the communication pipe to the bracket through hole, and the end opposite to the flange of the communication pipe is formed as a bracket through hole or door through hole. Insert the fastening member from the opposite side of the flange to the door with the flange of the communication pipe in contact with the peripheral edge of the bracket through hole in the bracket and tighten it. It allows communication pipe is its gist to become fixed to the door via a bracket.

According to the present invention, since the wiring connecting the control device and the drive device is introduced from the inside of the protective container into the design container through the communication pipe, the work of taking out the wiring connecting the electric lock and the control device is not performed. It becomes difficult. Therefore, the crime prevention performance against unauthorized unlocking can be suitably secured. Further , according to the present invention, the communication pipe is inserted into the bracket through hole, the door through hole, and the outlet hole from the outside, and the flange of the communication pipe is in contact with the peripheral portion of the bracket through hole in the bracket. Since it is only fastened by the fastening member, the connecting work of the communication pipe is simplified.

According to the third aspect of the present invention, the drive device provided on the side surface on the indoor side of the door is activated based on the drive signal supplied through the wiring from the control device provided inside the door for the building. The dead bolt constituting the locking mechanism provided inside the door is displaced between a locking position where the dead bolt is engaged with the bolt receiver provided on the building side and a release position where the engagement with the bolt receiver is released. In the electric lock, the control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket, and the interior of the protective container and the design container is interposed between them. A communication portion that is provided with a communication pipe that communicates, and a wiring that connects the control device and the drive device is passed through the communication pipe, and the protective container can accommodate the wiring drawn from the control device. Set up In addition, a portion corresponding to the housing portion on the indoor side wall of the protective container is formed through a female screw portion that leads out the wiring drawn into the housing portion to the outside, and the indoor side wall of the door In the portion corresponding to the female screw portion, a door through hole is formed so that the communication tube can be inserted, and a bracket through hole is formed in the portion corresponding to the door through hole of the bracket. Furthermore, a male screw is formed on the outer peripheral surface of the communication pipe over the entire length of the communication pipe, and the communication pipe is inserted into the bracket through hole and the door through hole from the outside and tightened to the female screw portion of the protective container. The gist is that the tube is fixed to a protective container.

According to the present invention, since the wiring connecting the control device and the drive device is introduced from the inside of the protective container into the design container through the communication pipe, the work of taking out the wiring connecting the electric lock and the control device is not performed. It becomes difficult. Therefore, the crime prevention performance against unauthorized unlocking can be suitably secured. In addition, according to the present invention, since the communication pipe is only fastened to the female thread portion of the protective container, the work for attaching the communication pipe is simplified. Moreover, since the external thread is formed in the outer peripheral surface of a communicating pipe over the full length of the said communicating pipe, the insertion direction to the internal thread part of a communicating pipe is not ask | required. For this reason, it is possible to suitably ensure the work efficiency of attaching the communication pipe.

Invention according to claim 4, in the electric lock as claimed in any one of claims 1 to 3, wherein the protective container and the bracket and the communicating tube, Ri Na is formed of a hard material, the hard The gist is that a hardened steel material, stainless steel or cemented carbide is adopted as the material .

  According to the present invention, since the protective container, the bracket, and the communication pipe are formed of the hard material, the protective function against their destruction is further enhanced. For this reason, it is more difficult to take out the wiring connecting the electric lock and the control device, and the wiring is suitably protected.

According to a fifth aspect of the present invention, in the electric lock according to any one of the first to fourth aspects, the control device has an electronic key carried around the door to indicate the position of the user. It is determined whether the electronic key is in the predetermined area based on the position information by the electronic key, and when it is determined that the electronic key is in the predetermined area, an unlocking driving signal is sent to the driving device as the driving signal. The dead bolt is displaced to the unlocking position by sending, and when it is determined that the electronic key is not within the predetermined area, the dead bolt is displaced to the locking position by sending a locking drive signal to the driving device as the drive signal. The gist is to make it.

  According to the present invention, the lock is unlocked in a hands-free manner based on bidirectional wireless communication performed between the control device and an electronic key possessed by the user. For this reason, the user does not need to perform any locking / unlocking operation. Therefore, both the security performance against unauthorized unlocking of the electric lock and the convenience for the door unlocking operation are suitably secured.

  According to the present invention, it is difficult to take out the wiring connecting the electric lock and its control device, so that the crime prevention performance is improved.

<First Embodiment>
Hereinafter, a first embodiment in which the present invention is embodied in an electronic key system provided in a building such as a house will be described with reference to FIGS. 1, 2A, and 2B.

  As shown in FIG. 1, the electronic key system 10 includes an electronic key 11 held by a user when going out and an automatic locking / unlocking device 13 provided mainly on a door 12 of a house entrance. Furthermore, the automatic locking / unlocking device 13 includes an electric lock 15 provided from the inside of the door 12 to the side surface on the indoor side, an electric latch device 16 provided below the electric lock 15 inside the door 12, and an inside of the door 12. A control device 17 provided above the electric lock 15 and a door closer 18 provided on the upper side of the indoor side surface of the door 12 are provided. The door closer 18 serves to automatically close the door 12 opened by the user.

  The electric lock 15 includes a lock mechanism 21 disposed inside the door 12, and a drive device 23 provided in a manner of being accommodated in the design container 22 with respect to the indoor side surface of the door 12. The locking mechanism 21 includes a dead bolt 24 that is displaced in the protruding and retracting direction with respect to the side surface on the free end side of the door 12. A knob 25 for manually operating the dead bolt 24 is provided on the surface of the design container 22. Then, through operation of the knob 25 and driving of the driving device 23, the dead bolt 24 protrudes from the side surface on the free end side of the door 12 and engages with a bolt receiver (not shown) provided on the house side, and the bolt It is displaced between the unlocked position where the engagement with the receiver is released. The configuration of the electric lock 15 will be described in detail later.

  The electric latch device 16 includes a latch 16 a that protrudes from the side surface of the door 12 on the free end side. The latch 16a maintains the closed state of the door 12 by engaging with a latch receiver (not shown) provided on the house side in a state where the electric lock 15 is unlocked. When the electric latch device 16 is driven with the electric lock 15 unlocked, or when the door 12 is opened through the door handles provided on the outside and inside side surfaces of the door 12, The displacement of the latch 16a into the door 12 is allowed and the door 12 can be opened.

  The control device 17 is inserted and fixed from the side surface on the free end side of the door 12. Two transmission / reception antennas (not shown) provided on the indoor side surface and the outdoor side surface of the door 12 are connected to the control device 17. The control device 17 is connected in parallel with the electric lock 15 via the wiring Wa and the electric latch device 16 via the wiring Wb.

  When the electric lock 15 is in a locked state, the control device 17 provides a response request signal (request signal) for requesting a response to the electronic key 11 on the indoor side surface and the outdoor side surface of the door 12. By transmitting through the transmission / reception antenna that is not, detection areas (indoor side detection area and outdoor side detection area) indicated by hatching in FIG. When a user having the electronic key 11 enters the detection area, the electronic key 11 returns a response signal including a predetermined identification code as its own position information.

  When the control device 17 receives a response signal as position information from the electronic key 11 through the transmission / reception antenna, the control device 17 determines the validity of the identification code included in the received response signal. Then, an unlocking drive signal is sent to the electric lock 15 (more precisely, the driving device 23) through the wiring Wa. The drive device 23 of the electric lock 15 is driven to displace the dead bolt from the engagement position where the dead bolt is engaged with the housing-side bolt receiver to the release position where the engagement with the bolt receiver is released upon receiving the unlock driving signal. To do. The validity of the identification code included in the response signal is determined by whether or not the identification code matches the identification code registered in the control device 17.

  The control device 17 determines that the user holding the electronic key 11 has left the detection area based on the interruption of the response signal from the electronic key 11, and wiring to the electric lock 15 (specifically, the driving device 23). A lock driving signal is sent through Wa. The drive device 23 of the electric lock 15 receives the locking drive signal and drives the dead bolt to displace it from the release position where the engagement with the bolt receiver on the house side is released to the engagement position where the dead bolt is engaged. . Therefore, according to the electronic key system 10, when the user holds the electronic key 11 and approaches the door 12, the electric lock 15 is automatically unlocked, and when the user moves away from the door 12, the electric lock 15 is automatically locked. The

<Electric lock>
Next, the configuration of the electric lock 15 and its control device 17 will be described in detail.
First, the control device 17 will be described. As shown in FIG. 2A, the control device 17 includes a control board on which various electronic components such as a microcomputer are provided in a case formed in a box shape from a synthetic resin material. The said control apparatus 17 is arrange | positioned inside the door 12 in the state accommodated in the box-shaped protective container 31 formed with hard materials, such as hardened steel. The protective container 31 is formed so as to correspond to the outer shape of the control device 17, and a space portion S as a storage portion is formed between the lower surface of the control device 17 and the inner bottom surface of the protective container 31. Are set in the vertical direction. That is, the other side surfaces except the lower surface of the control device 17 are in close contact with the inner surface of the protective container 31. A lead-out hole 31 a is formed in a portion corresponding to the space S on the indoor side wall of the protective container 31. And the door through-hole 12a is formed in the site | part corresponding to the derivation | leading-out hole 31a in the side wall by the side of the door 12 indoor side.

  Here, a connector 32 is provided at an end portion of the wiring Wa on the control device 17 connection side, and a connector 33 is provided at an end portion opposite to the end portion where the connector 32 is provided. And the connector 32 is connected to the said control board in the state exposed partially from the lower surface of the control apparatus 17. FIG. The wiring Wa drawn from the lower surface of the control device 17 is wound in a slack state in the space S, and the end opposite to the end provided with the connector 32 connected to the control device 17. The connector 33 provided in the section is led out to the outside through the lead-out hole 31a.

  Next, the configuration of the electric lock 15 will be described in detail. As shown in FIG. 2, the electric lock 15 is operated when the lock mechanism 21 disposed inside the door 12, the drive device 23 that operates the lock, and the lock mechanism 21 is manually operated. The knob 25 and the key cylinder 40 which is provided on the outdoor side surface of the door 12 and into which a mechanical key is inserted are provided. The mechanical key is detachably accommodated in the electronic key 11.

  The lock mechanism 21 includes a gear mechanism including a plurality of gears that displace the above-described dead bolt 24 between the locking position and the unlocking position. The drive device 23 is housed in a design container 22 that is fixed to the indoor side surface of the door 12 via a bracket 41.

  The bracket 41 is formed in a U-shaped cross section by a hard material such as hardened steel, and is integrally formed on the upper portion of the side surface of the bracket 41 on the door 12 side so that the communication pipe 43 protrudes toward the door 12 side. Has been. The communication pipe 43 is formed of a hard material such as a hardened steel material. The communication pipe 43 is inserted into the door through-hole 12 a when the bracket 41 is fixed at a predetermined position of the door 12, and the bracket is arranged such that the front end surface of the communication pipe 43 comes into contact with the surface of the protective container 31. The protrusion height from 41 is set.

  As shown in FIG. 2 (b), an annular connecting member 44 is formed on the inner peripheral edge of the leading end of the communication tube 43 so as to contact the peripheral edge of the lead-out hole 31 a on the surface of the protective container 31. Then, a plurality of screws 45a are inserted as fastening members from the side opposite to the door 12 of the connecting member 44 in a state where the communication pipe 43 is inserted into the door through hole 12a and the connecting member 44 is in contact with the protective container 31. Then, the communication pipe 43 is fixed to the protective container 31 by tightening the protective container 31. The bracket 41 is fixed to the door 12 by fastening a plurality of screws 45 b to the door 12 below the communication pipe 43.

  The design container 22 is formed in a box shape with one side opened by a synthetic resin material. The design container 22 is disposed so as to cover the bracket 41 with the opening side facing the bracket 41 side, and is fastened and fixed at a mounting portion (not shown) of the bracket 41. The inside of the protective container 31 and the space S of the protective container 31 communicate with each other through a communication pipe 43. The connector 33 of the wiring Wa drawn from the control device 17 is inserted into the communication pipe 43 and introduced into the design container 22.

  The drive device 23 is a motor mechanism that includes a motor as a drive source that operates based on a drive signal from the control device 17 and a gear mechanism that includes a plurality of gears and clutches that are operatively connected to the output shaft of the motor. . The gear mechanism of the locking mechanism 21 and the gear mechanism of the driving device 23 are operatively connected to a locking / unlocking shaft 46 provided so as to penetrate the locking mechanism 21 and the driving device 23. That is, the gear constituting the gear mechanism of the lock mechanism 21 and the gear constituting the gear mechanism of the drive device 23 are engaged with two gears provided on the locking / unlocking shaft 46 so as to be integrally rotatable. The indoor side end of the locking / unlocking shaft 46 penetrates the design container 22 and is connected to the inner surface of the knob 25 so as to be integrally rotatable. The outdoor side end is also integrated with a rotor (not shown) constituting the key cylinder 40. It is connected rotatably. And the clutch which comprises the drive device 23 is comprised so that it may be in a connection state when a motor operates, and it will be in a non-connection state when a motor stops. That is, when the motor is operated, the lock mechanism 21 operates based on the driving force of the motor, and the locked / unlocked state is automatically switched. When the motor is stopped, the locking / unlocking state of the lock mechanism 21 is switched based on the rotation operation of the knob 25 and the rotation operation of the mechanical key inserted into the key cylinder 40.

  A wiring Wc is drawn from the drive device 23 (more precisely, a motor), and a connector 47 is provided at the tip thereof. The connector 47 is fitted and fixed to a connector support member 49 fixed to two support members 48 provided upright on the inner surface of the design container 22. The connector 47 is connected to the connector 33 of the wiring Wb introduced into the design container 22. A drive signal from the control device 17 is supplied to the drive device 23 (more precisely, a motor) through the wiring Wa and the wiring Wc.

<Effect of Embodiment>
Therefore, according to the present embodiment, the following effects can be obtained.
(1) The control device 17 was accommodated in the protective container 31. The driving device 23 for driving the lock mechanism 21 was housed in a design container 22 fixed to the side surface on the door 12 side via a bracket 41. And between the protective container 31 and the design container 22, while providing the communication pipe | tube 43 which connects those inside, the wiring Wa which connects the control apparatus 17 and the drive device 23 was penetrated in the said communication pipe | tube 43. .

  The wiring Wa that connects the control device 17 and the drive device 23 is introduced from the protective container 31 into the design container 22 through the communication pipe 43. Therefore, in order to take out the wiring Wa connecting the control device 17 and the drive device 23 from the outdoor side for the purpose of unauthorized unlocking of the electric lock 15, the protective container 31 or the communication pipe 43 is provided in addition to the door 12. It needs to be destroyed. That is, the electric lock 15 of the present embodiment has a high defense function against the destructive action of the door 12 and the like. Therefore, since it is difficult to take out the wiring Wa that connects the electric lock 15 (more precisely, the drive device 23) and the control device 17, the crime prevention performance is improved.

  (2) In addition, the control device 17 is housed in the protective container 31 and only provides the communication pipe 43 between the protective container 31 and the design container 22 to communicate the inside thereof. For this reason, there is no particular restriction on the assembly of the control device 17 and the electric lock 15 with respect to the door 12. Therefore, it can be easily retrofitted without greatly changing the configuration of the existing electric lock 15 and thus the system configuration. As a result, crime prevention performance can be improved while suppressing development costs and product costs. Further, in formulating a countermeasure against unauthorized unlocking of the electric lock 15 by taking out the wiring Wa described above, the configuration of the existing electric lock 15 and thus the system should be greatly changed from the viewpoint of development cost and thus product cost. It is desirable to secure crime prevention performance. According to the present embodiment, it is possible to suitably cope with such a situation.

  (3) A door through hole 12a through which the communication pipe 43 is inserted is formed in a portion of the door 12 corresponding to the protective container 31. The communication pipe 43 is formed integrally with the bracket 41 and an annular connection member 44 that abuts on the surface of the protective container 31 is provided on the inner peripheral edge of the tip of the communication pipe 43. The communication pipe 43 is inserted into the door through-hole 12a from the outside and the connection member 44 is in contact with the protective container 31, and the screw 45a is inserted from the opposite side of the connection member 44 to the door 12 to provide the protective container. By tightening to 31, the communication pipe 43 was fixed to the protective container 31.

  The connecting pipe 43 formed integrally with the bracket 41 is inserted through the door through-hole 12a from the outside, and the connecting member 44 of the connecting pipe 43 is simply fastened in contact with the protective container 31. Becomes easier. Moreover, since the communication pipe 43 is integrally formed with the bracket, an increase in the number of parts is also suppressed.

  (4) By setting the protrusion height of the communication pipe 43 from the surface of the bracket 41 according to the distance between the surface of the protective container 31 and the inner surface of the door 12, the thickness of the door 12, more precisely, the door 12 A plurality of types of doors 12 having different distances between two inner surfaces facing each other in the thickness direction can be suitably handled. That is, the wiring Wa led out from the control device 17 is led into the interior design container 22 through the protective container 31 and the communication pipe 43 connected to the protective container 31 without a gap. As described above, since the wiring Wa is not exposed inside the door 12, it is difficult to pull out the wiring Wa even if the outdoor side wall of the door 12 is destroyed.

  (5) The protective container 31, the bracket 41, and the communication pipe 43 are made of hard materials such as hardened steel. For this reason, the protective function with respect to the destruction act of the protective container 31, the bracket 41, and the communicating pipe 43 can be ensured suitably. Therefore, it is more difficult to take out the wiring Wa that connects the driving device 23 of the electric lock 15 and its control device 17. And since the said wiring Wa is protected suitably, crime prevention performance can be ensured suitably.

  (6) The control device 17 determines whether or not the electronic key 11 carried to indicate the position of the user is within a predetermined area around the door 12 to be controlled. A determination is made based on a response signal as information. When it is determined that the electronic key 11 is within the predetermined area, the control device 17 sends the unlocking drive signal to the driving device 23 to displace the dead bolt 24 to the unlocked position. In addition, when it is determined that the electronic key 11 is not within the predetermined area, the control device 17 sends a locking drive signal to the driving device 23 to displace the dead bolt 24 to the locking position.

  In this manner, hands-free locking and unlocking is performed based on bidirectional wireless communication performed between the control device 17 and the electronic key 11 possessed by the user. Therefore, the user does not need to perform any locking / unlocking operation. Therefore, both crime prevention performance and convenience are suitably secured.

  (7) The protective container 31 and the bracket 41 are arranged so that a part of them faces each other through the side wall of the door 12. Then, the opposing portions of the protective container 31 and the bracket 41 are connected by the communication pipe 43. For this reason, the communication pipe 43 has only to be formed in a straight line, and it is only necessary to insert the communication pipe 43 straight into the door through-hole 12a when mounting. Therefore, the shape of the communication pipe 43 is not complicated, and the mounting work is also simplified.

<Second Embodiment>
Next, a second embodiment of the present invention will be described. This embodiment is different from the first embodiment in the point of the connecting pipe mounting structure. Therefore, the same reference numerals are given to the same members as those in the first embodiment, and the detailed description thereof is omitted.

  As shown in FIG. 3A, the bracket 41 is fixed to the door 12 so that the bracket 41 is formed with a bracket through-hole 50 and the bracket through-hole 50 coincides with the door through-hole 12 a of the door 12. Has been. A communication pipe 51 is inserted into the bracket through hole 50 of the bracket 41 from the outside. As shown in FIG. 3B, the communication pipe 51 is formed in a cylindrical shape having both ends opened by a hard material such as hardened steel. An annular flange 52 is formed on the outer peripheral edge of the end of the communication pipe 51 opposite to the insertion side with respect to the bracket through hole 50.

  The communication pipe 51 is inserted into the bracket through hole 50, the door through hole 12 a and the lead-out hole 31 a at the end opposite to the flange 52 so that the flange 52 is brought into contact with the peripheral edge of the bracket through hole 50 in the bracket 41. It is fixed in the state. That is, the communication pipe 51 is fixed to the door 12 via the bracket 41 by inserting a screw 53 as a fastening member from the opposite side of the door 52 of the flange 52 and tightening it to the door 12. At this time, the end of the communication pipe 51 opposite to the flange 52 is located inside the protective container 31 (more precisely, the space S). The wiring Wa drawn from the control device 17 is introduced into the design container 22 through the communication pipe 51.

Therefore, according to this embodiment, in addition to the same effects as (1), (2), (5), (6), (7) of the first embodiment, the following effects are obtained. be able to.
(1) Since the communication pipe 51 is inserted into the bracket through-hole 50, the door through-hole 12a and the lead-out hole 31a, and the flange 52 is simply fastened to the door 12 with the screw 53, the mounting work of the communication pipe 51 is simple. Become.

  (2) By setting the length of the communication pipe 51 according to the distance between the surface of the protective container 31 and the inner surface of the door 12, the thickness of the door 12, more precisely, the two facing each other in the thickness direction of the door 12 A plurality of types of doors 12 having different distances between the inner surfaces can be suitably handled. That is, whatever the specification of the door 12, the wiring Wa led out from the control device 17 passes through the protective container 31 and the communication pipe 51 that enters the space S of the protective container 31. Led inside. As described above, since the wiring Wa is not exposed inside the door 12, it is difficult to pull out the wiring Wa even if the outdoor side wall of the door 12 is destroyed.

<Third Embodiment>
Next, a third embodiment of the present invention will be described. This embodiment is different from the first embodiment in the point of the connecting pipe mounting structure. Therefore, the same reference numerals are given to the same members as those in the first embodiment, and the detailed description thereof is omitted.

  As shown to Fig.4 (a), the female thread part 60 is penetrated and formed in the site | part corresponding to the space part S in the indoor side wall of the protective container 31. As shown in FIG. The female screw portion 60 is formed to extend slightly inward of the protective container 31. A door through hole 12 a is formed in a portion corresponding to the female screw portion 60 on the indoor side wall of the door 12. A bracket through hole 61 is formed in the bracket 41, and the bracket 41 is fixed to the door 12 so that the bracket through hole 61 coincides with the door through hole 12 a of the door 12. A communication pipe 62 is inserted into the bracket through-hole 61 of the bracket 41 from the outside, and is screwed into the female thread portion 60 of the protective container 31. That is, as shown in FIG. 4B, the communication pipe 62 is formed in a cylindrical shape having both ends opened by a hard material such as hardened steel, and a male screw 63 is provided on the outer peripheral surface thereof. It is formed over the entire length. The communication pipe 62 is fixed to the protective container 31 by being inserted into the bracket through hole 61 and the door through hole 12a and being tightened to the female screw portion 60. At this time, one end of the communication pipe 62 is located inside the protective container 31 (more precisely, the space S), and the other end is also located inside the design container 22. The wiring Wa drawn from the control device 17 is introduced into the design container 22 through the communication pipe 51.

Therefore, according to the present embodiment, in addition to the same effects as (1), (2), (5), (6), and (7) of the first embodiment, the following effects are obtained. be able to.
(1) Since the male screw 63 is formed over the entire length of the communication pipe 62, it can be screwed into the female screw part 60 of the lead-out hole 31 a at either end of the communication pipe 62. For this reason, the mounting work efficiency of the communication pipe 62 is improved. The male screw 63 can be formed only in a range corresponding to the screwing amount of the communication pipe 62 into the lead-out hole 31a.

  (2) Further, since the communication pipe 62 can be inserted into the bracket through hole 61, the bracket 41 may be fixed after the communication pipe 62 is fixed to the door 12, or the communication pipe 62 may be fixed to the door 12. You may fix before fixing to. For this reason, regardless of whether the bracket 41 is attached to the door 12, the communication pipe 51 can be independently fixed to the door 12. Therefore, the work efficiency of attaching the communication pipe 62 is improved.

  (3) By setting the length of the communication pipe 62 according to the distance between the surface of the protective container 31 and the inner surface of the door 12, the thickness of the door 12, more precisely, the two facing each other in the thickness direction of the door 12 A plurality of types of doors 12 having different distances between the inner surfaces can be suitably handled. That is, whatever the specification of the door 12, the wiring Wa led out from the control device 17 is connected to the indoor design container 22 through the protective container 31 and the communication pipe 62 that enters the space S of the protective container 31. Led inside. As described above, since the wiring Wa is not exposed inside the door 12, it is difficult to pull out the wiring Wa even if the outdoor side wall of the door 12 is destroyed.

<Other embodiments>
The first to third embodiments may be modified as follows.
In the first embodiment, the screw 45a for fixing the connecting member 44 to the protective container 31 can be omitted. Even in this case, since the bracket 41 is fixed by the screw 45b, the connecting member 44 is kept in contact with the protective container 31.

  In the second embodiment, the flange 52 of the communication pipe 51 can be directly fixed to the door 12 without using the bracket 41. That is, as shown in FIG. 5, the inner diameter of the bracket through hole 50 is set larger than the outer diameter of the flange 52. Then, in the state where the end of the communication pipe 51 opposite to the flange 52 is inserted into the door through-hole 12a and the lead-out hole 31a and the flange 52 is in contact with the peripheral edge of the door through-hole 12a of the door 12, A screw 53 is inserted from the opposite side of the door 12 to the door 12 and tightened to the door 12. The bracket 41 is fixed to the door 12 so that the flange 52 is positioned in the bracket through hole 50. The bracket 41 may be fixed after the communication pipe 51 is fixed to the door 12, or may be fixed before the communication pipe 51 is fixed to the door 12. In this way, the communication pipe 51 can be independently fixed to the door 12 regardless of whether the bracket 41 is attached to the door 12 or not.

  In the second embodiment, the communication pipe 51 can be attached as follows. That is, as shown in FIG. 6, the end of the communication pipe 51 opposite to the flange 52 is inserted into the door through hole 12a, and the flange 52 is in contact with the peripheral edge of the door through hole 12a of the door 12. 41 is fixed to the door 12. The flange 52 is held in a state of being pressed against the peripheral edge portion of the bracket through hole 50 on the side surface of the bracket 41 on the door 12 side. In this case, in the bracket 41, it is preferable to form an accommodation recess 54 that can accommodate the flange 52 at the peripheral edge of the bracket through hole 50. In this way, when the bracket 41 is fixed to the door 12, the peripheral edge portion of the bracket through-hole 50 and the flange 52 interfere with each other, and the bracket 41 can be prevented from being lifted with respect to the door 12. As indicated by a two-dot chain line in the drawing, a screw 53 is inserted from the outside of the bracket 41 at the overlapping portion of the bracket 41 and the flange 52 so that the bracket 41 and the flange 52 are connected to the door 12 together. It is also possible to fix in a tightened state. In this way, the communication pipe 51 can be reliably fixed to the door 12.

  In the second embodiment, the communication pipe 51 may be integrally formed with the bracket 41 as in the first embodiment. In this way, the number of parts is reduced and the tightening operation of the screw 53 becomes unnecessary.

  In the third embodiment, as shown in FIG. 7, in the communication pipe 62, an annular flange 64 is provided at the outer peripheral edge of the end opposite to the end inserted into the female thread 60 of the protective container 31. May be formed, and the screw 65 may be inserted from the outside of the flange 64 and tightened to the door. In this way, it is possible to prevent loosening (rotation prevention) of the communication pipe 62 screwed into the female thread portion 60 of the protective container 31.

  In the first to third embodiments, the electric latch device 16 can be replaced with a mechanical (manual) latch device. The mechanical latch device need not be connected to the control device 17.

  -In 1st-3rd embodiment, although the single electric lock 15 was provided in the upper part side of the door 12, in addition to the said electric lock 15, as shown by the dashed-two dotted line in FIG. It is also possible to provide another electric lock 15 on the lower side of the door 12. The other electric lock 15 and the control device 17 are connected by the wiring Wa1. Thus, by providing the two electric locks 15 and 15 on the upper side and the lower side of the door 12, the crime prevention property is further enhanced.

  Further, in this case, a configuration for protecting the wiring Wa1 connecting the other electric lock 15 provided on the lower side of the door 12 and the control device 17 from the destruction of the door 12 may or may not be provided. Good. In the case of protecting the wiring Wa1, inside the door 12, the space between the protective container 31 of the control device 17 and the design container 22 of the other electric lock 15 is formed of a hard material such as hardened steel. Connect by piping not shown. And the wiring Wa1 which connects the control apparatus 17 and the other electric lock 15 is inserted in the said piping. By protecting both the wires Wa and Wa1 connecting the control device 17 and the two electric locks 15 and 15 in this way, the protection performance against the destructive action from the outside of the door 12 is further enhanced. On the other hand, even when the wiring Wa1 is not protected, the wiring Wa that connects the electric lock 15 provided on the upper side and the control device 17 is protected by the communication pipes 43, 51, and 62. For this reason, the crime prevention performance as a whole of the electronic key system 10 is sufficiently ensured.

  In the first to third embodiments, the control device 17 protects the control board on which various electronic parts such as a microcomputer are provided in a case formed of a synthetic resin material in a box shape. Although the container 31 is housed, the control board may be disposed directly inside the protective container 31. In this case, the control board corresponds to the control device of the present invention.

  In the first to third embodiments, the shape of the bracket 41 may be arbitrarily changed. For example, the bracket 41 can be formed in a box shape with one side surface opened. In this case, the bracket 41 is fixed to the door 12 with the opening side facing outward. Then, the design container 22 is attached to the bracket 41 so as to cover the bracket 41.

  In the first to third embodiments, a hardened steel material (heat treatment steel) is adopted as the hard material, but a cemented carbide such as stainless steel and tungsten carbide can also be adopted. Further, not only a metal material but also a hard synthetic resin material can be adopted as the hard material.

  In the first to third embodiments, the electric lock 15 is driven and controlled based on the mutual wireless communication between the electronic key 11 and the control device 17, but the following is also possible. . That is, as a locking / unlocking information input means, for example, a numeric keypad is provided on the side surface of the door 12 on the outdoor side, and based on information for performing a locking / unlocking operation such as a password entered from the numeric keypad, the control device 17 Is configured to control driving.

  In the first to third embodiments, the electric lock 15 is controlled based on the mutual wireless communication between the electronic key 11 and the control device 17, but in addition to this, the following may be performed. Is possible. For example, a lock button and an unlock button (not shown) are provided on the electronic key 11, and the control device 17 controls the drive of the electric lock 15 based on the lock drive signal or the unlock drive signal transmitted from the electronic key 11 based on the operation of these buttons. To do.

  In the first to third embodiments, a non-contact IC card reader is provided on the outdoor side surface of the door 12, and the non-contact IC card as an electronic key is held over the card reader so that the electric lock 15 It is also possible to perform locking and unlocking. That is, the card reader includes a control board connected to the control device 17 and an antenna connected to the control board. The control board of the card reader forms a detection area of the IC card reader on the outdoor side of the door 12 by transmitting a minute electromagnetic wave through the antenna. On the other hand, an IC chip and an antenna are mounted in the IC card. The IC card captures minute electromagnetic waves from the card reader through the antenna and operates by an electromotive force induced in the antenna. Then, when the user locks or unlocks the electric lock 15, the user holds the IC card over the card reader (more precisely, in the detection area). Then, the electromagnetic wave from the card reader is received and electric power is generated in the IC card. The IC card activated by the power and the card reader communicate with each other, and the control device 17 locks or unlocks the electric lock 15 based on the communication result. For example, every time the IC card is held over a card reader, the locking and unlocking of the electric lock 15 are repeated.

  -In 1st-3rd embodiment, although the electronic key system 10 was applied to the house, it is applicable also to buildings, such as a warehouse and a factory.

The perspective view which shows schematic structure of the electronic key system of 1st Embodiment. (A) is principal part sectional drawing of the door which similarly shows the connection relation of an electric lock and its control apparatus, (b) is a perspective view of a communicating pipe similarly. (A) is principal part sectional drawing of the door which shows the connection relation of the electric lock of 2nd Embodiment, and its control apparatus, (b) is a perspective view of a communicating pipe similarly. (A) is principal part sectional drawing of the door which shows the connection relation of the electric lock of 3rd Embodiment, and its control apparatus, (b) is a perspective view of a communicating pipe similarly. The principal part sectional drawing of the door which shows the aspect of attachment of the communicating pipe of other embodiment. The principal part sectional drawing of the door which shows the aspect of attachment of the communicating pipe of other embodiment. The principal part sectional drawing of the door which shows the aspect of attachment of the communicating pipe of other embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Electronic key, 12 ... Door, 12a ... Door through-hole, 15 ... Electric lock, 17 ... Control device, 21 ... Locking mechanism, 22 ... Design container, 23 ... Drive device, 24 ... Dead bolt, 31 ... Protective container, 31a ... Lead-out hole, 41 ... Bracket, 43, 51, 62 ... Communication pipe, 44 ... Connection member, 45a, 53 ... Screw (fastening member), 50, 61 ... Bracket through-hole, 52 ... Flange, 60 ... Female screw part, 63 ... male screw, S ... space (accommodating part), Wa, Wc ... wiring.

Claims (5)

Based on the drive signal supplied through the wiring from the control device provided inside the door for the building, the drive device provided on the side surface on the indoor side of the door is activated to provide the inside of the door. In the electric lock which displaces between the locking position where the dead bolt constituting the locking mechanism is engaged with the bolt receiver provided on the building side and the release position where the engagement with the bolt receiver is released,
The control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket,
Provided with a communicating pipe for communicating their internal between the guard vessel and the design vessel, the said communicating pipe Ri name is passed through the wiring connecting the control device and the drive device,
Inside the protective container, there is provided an accommodating part that can accommodate the wiring drawn out from the control device, and the wiring drawn into the accommodating part at a portion corresponding to the accommodating part on the indoor side wall of the protective container. Forming a lead-out hole that leads out to the outside,
In addition, a door through hole that allows the communication pipe to be inserted is formed in a portion corresponding to the lead-out hole in the indoor side wall of the door,
Further, the communication pipe is formed integrally with the bracket, and an annular connecting member that can contact the surface of the protective container is formed on the inner peripheral edge of the tip of the communication pipe.
The connecting pipe is inserted from the outside into the door through hole, and the fastening member is inserted and tightened from the side opposite to the door of the connecting member in a state where the connecting member is in contact with the peripheral edge of the outlet hole in the protective container. Therefore, the communication pipe is an electric lock fixed to the protective container. Based on the drive signal supplied through the wiring from the control device provided inside the door for the building, the drive device provided on the side surface on the indoor side of the door is activated to provide the inside of the door. In the electric lock which displaces between the locking position where the dead bolt constituting the locking mechanism is engaged with the bolt receiver provided on the building side and the release position where the engagement with the bolt receiver is released,
The control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket,
Between the protective container and the design container, a communication pipe that communicates with the interior of the design container is provided, and a wiring that connects the control device and the drive device is passed through the communication pipe.
Inside the protective container, there is provided an accommodating part that can accommodate the wiring drawn out from the control device, and the wiring drawn into the accommodating part at a portion corresponding to the accommodating part on the indoor side wall of the protective container. Forming a lead-out hole that leads out to the outside,
In addition, a door through hole that allows the communication pipe to be inserted is formed in a portion corresponding to the lead-out hole in the indoor side wall of the door,
Furthermore, a bracket through hole that allows the communication pipe to be inserted is formed at a portion corresponding to the door through hole of the bracket, and an end portion on the opposite side to the end portion on the insertion side to the bracket through hole of the communication pipe is formed. An annular flange is formed on the outer periphery,
With the end of the communicating pipe opposite to the flange inserted into the bracket through hole, door through hole and lead-out hole from the outside, the flange of the communicating pipe is in contact with the peripheral edge of the bracket through hole in the bracket. An electric lock in which the connecting pipe is fixed to the door via a bracket by inserting and fastening a fastening member from the opposite side of the flange to the door. Based on the drive signal supplied through the wiring from the control device provided inside the door for the building, the drive device provided on the side surface on the indoor side of the door is activated to provide the inside of the door. In the electric lock which displaces between the locking position where the dead bolt constituting the locking mechanism is engaged with the bolt receiver provided on the building side and the release position where the engagement with the bolt receiver is released,
The control device is accommodated in the protective container, while the drive device is accommodated in the design container fixed to the side surface on the door side via the bracket,
Between the protective container and the design container, a communication pipe that communicates with the interior of the design container is provided, and a wiring that connects the control device and the drive device is passed through the communication pipe.
Inside the protective container, there is provided an accommodating part that can accommodate the wiring drawn out from the control device, and the wiring drawn into the accommodating part at a portion corresponding to the accommodating part on the indoor side wall of the protective container. Is formed through the female thread leading to the outside,
In addition, a door through hole that allows the communication pipe to be inserted is formed in a portion corresponding to the female screw portion on the indoor side wall of the door,
In addition, a bracket through hole that allows the communication pipe to be inserted is formed in a portion corresponding to the door through hole of the bracket,
Furthermore, a male screw is formed over the entire length of the communication pipe on the outer peripheral surface of the communication pipe,
An electric lock in which the communication pipe is fixed to the protective container by inserting the communication pipe from the outside into the bracket through hole and the door through hole and tightening the female pipe of the protective container. In the electric lock according to any one of claims 1 to 3 ,
The protective container and the bracket and the communicating tube, Ri Na is formed of a hard material, as the hard material, hardened by the steel material, an electric lock which stainless steel or cemented carbide is employed. In the electric lock according to any one of claims 1 to 4 ,
The control device determines whether or not the electronic key carried to indicate the position of the user is within a predetermined area defined around the door based on the positional information by the electronic key, and the electronic key is When it is determined that the electronic key is within the predetermined area, the dead bolt is displaced to the unlocking position by sending an unlocking driving signal to the driving device as the driving signal, and when it is determined that the electronic key is not within the predetermined area, An electric lock that displaces a dead bolt to the locking position by sending a locking driving signal to the driving device as a driving signal.

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