JP2017210856A - Electric lock and electric lock system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric lock and an electric lock system capable of making an unlocking speed faster than that of the conventional electric lock.SOLUTION: An electric lock 11 is constituted in such a manner that, when a second gear 133 moves from a first position to a second position, a rotary member 122 moves from a locked position to an unlocked position. Also, it is constituted so that in a state where the rotary member 122 is in the locked position, a rotating force M1 in the direction of holding the rotary member 122 in the locked position acts on the rotary member 122, and in the middle of the rotary member 122 shifting from the locked position to the unlocked position, the direction of the rotating force M1 is inverted. The inversion position in which the direction of the rotating force M1 is inverted is a position closer to the locked position than the intermediate position between the locked position and the unlocked position.SELECTED DRAWING: Figure 1

Description

  The present invention generally relates to an electric lock and an electric lock system, and more particularly to an electric lock and an electric lock system for moving a dead bolt provided on a door of a building to a position where it is electrically locked or unlocked.

  Conventionally, an electric lock that electrically locks or unlocks a lock provided on a door of a building has been provided (see, for example, Patent Document 1).

  The electric lock described in Patent Document 1 includes a drive motor, a gear transmission means, a dharma, a dead bolt, and an urging means. The drive motor is driven by being controlled by the control unit. The gear transmission means transmits the driving force of the driving motor to the dharma. The dharma transmits the driving force of the driving motor transmitted through the gear transmission means to the dead bolt. The dead bolt is moved forward and backward by the driving force of Dharma. The biasing means is disposed between the dead bolt and the dharma.

  The urging means includes a rod-shaped connecting rod and an urging spring wound around the connecting rod. One end of the connecting rod is connected to the dharma via a connecting pin. The other end of the connecting rod is fixed to the lock box.

  In the electric lock described in Patent Document 1, when the rotation angle of the dharma exceeds 45 ° at the time of unlocking, the direction of the rotational force acting on the dharma from the biasing spring is reversed to the same direction as the rotation direction of the dharma. The unlocking speed is increased by the force.

JP 2006-125128 A

  Incidentally, in the field of electric locks as described in Patent Document 1, there has been a demand for further increasing the unlocking speed.

  This invention is made | formed in view of the said subject, and it aims at providing the electric lock and electric lock system which can make unlocking speed faster than the conventional electric lock.

  The electric lock which concerns on 1 aspect of this invention is equipped with the rotation member, the gearwheel, and the elastic member. The rotating member rotates between a locked position and an unlocked position. The locking position is a position where at least a part of a dead bolt provided on the door of the building protrudes from the door. The unlocking position is a position where the dead bolt is stored in the door. The gear receives the driving force from the driving unit and rotates between the first position and the second position to rotate the rotating member. The elastic member is connected to the rotating member and applies a rotational force to the rotating member. In this electric lock, the rotating member moves from the locked position to the unlocked position when the gear moves from the first position to the second position. In this electric lock, the rotational force in a direction to hold the rotating member in the locked position while the rotating member is in the locked position acts on the rotating member, and the rotating member is released from the locked position to the unlocked position. The direction of the rotational force is reversed during the movement to the position. The reversing position where the direction of the rotational force is reversed is a position closer to the locking position than an intermediate position between the locking position and the unlocking position.

  An electric lock system according to an aspect of the present invention includes the above-described electric lock, an authentication unit, an operation unit, and a detection unit. The said authentication part authenticates the person who opens and closes the door of a building. The operation unit is operated when opening and closing the door. The detection unit detects an operation of the operation unit. In this electric lock system, when the detection unit detects an operation of the operation unit, authentication by the authentication unit is started, or the electric lock is locked or unlocked.

  The present invention has an advantage that the unlocking speed can be increased as compared with the conventional electric lock.

FIG. 1 is a cross-sectional view showing a locked state of the electric lock according to Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view showing a state during the transition from the locked state to the unlocked state of the electric lock. FIG. 3 is a cross-sectional view showing an unlocked state of the electric lock. FIG. 4 is an exploded perspective view of a rotating member used in the electric lock. FIG. 5 is a plan view of a gear used for the above electric lock as viewed from below. FIG. 6A is a perspective view showing a state where a gear used for the electric lock and the rotating member are not meshed with each other. FIG. 6B is a perspective view showing a state in which a gear and a rotating member used in the electric lock are engaged with each other. FIG. 7A is a plan view showing a state in which the rotating member used in the electric lock is in the locked position. FIG. 7B is a plan view showing a state where the rotating member used in the electric lock is in the reverse position. FIG. 7C is a plan view showing a state in which the rotating member used in the electric lock is in the unlocked position. FIG. 8 is a block diagram of an electric lock system using the same electric lock. FIG. 9 is a front view of a door to which the above electric lock is applied. FIG. 10: is the top view which looked at the state which the rotation member used for an electric lock same as the above exists in a locking position. FIG. 11 is a cross-sectional view showing an unlocked state of the electric lock according to the second embodiment of the present invention. FIG. 12: is the top view which looked at the state which the rotation member used for an electric lock same as the above exists in a locking position. FIG. 13: is the top view which looked at the state which the rotation member used for an electric lock same as the above exists in a reverse position. FIG. 14: is the top view which looked at the state which the rotation member used for an electric lock same as the above exists in an unlocking position. FIG. 15A is a perspective view of a state in which a first disk and a second disk used for the electric lock same as above are disassembled, as viewed from the front. FIG. 15B is a perspective view of a state in which the first disk and the second disk used in the electric lock same as above are disassembled, as viewed from the rear.

  Hereinafter, an electric lock system using an electric lock according to an embodiment of the present invention will be described with reference to the drawings. However, the configuration described below is merely an example of the present invention, and the present invention is not limited to the following first and second embodiments. Therefore, various modifications other than those of Embodiments 1 and 2 can be made according to the design and the like as long as they do not depart from the technical idea of the present invention.

  In the following description, each direction is defined as up, down, left and right when the handle 3 attached to the door 10 is viewed from the front, up, down, left and right unless otherwise specified. Moreover, the direction orthogonal to the door 10 is demonstrated as the front-back direction (the near side of FIG. 9 is back). That is, in FIGS. 1 to 5, 7A to 7C and FIGS. 10 to 14, as indicated by arrows “up”, “down”, “left”, “right”, “front”, “back”. , Up, down, left, right, front and back directions. However, these directions are not intended to limit the direction of use of the electric lock 11. In addition, the arrows indicating the directions in the drawings are merely shown for explanation, and do not accompany the substance.

(Embodiment 1)
As shown in FIG. 8, the electric lock system 100 of the present embodiment includes an electric lock device 1 and a responder 2 (so-called tag key). In addition, although the case where the responder 2 is a tag key is illustrated in this embodiment, the responder 2 is not limited to a tag key, and may be a smartphone, for example. The electric lock device 1 includes a plurality (two in the drawing) of electric locks 11A and 11B, a lock control device 15, an open / close sensor 16, and a latch bolt 17 (see FIG. 9). Hereinafter, when the plurality of electric locks 11A and 11B are not particularly distinguished, each of the plurality of electric locks 11A and 11B is also referred to as “electric lock 11”.

  As shown in FIG. 9, the electric lock system 100 is a system for electrically locking or unlocking a door 10 of a building (for example, a detached house or a dwelling house of an apartment house). The door 10 is, for example, an entrance door, and is attached to the door frame 20 through a pair of hinge portions 30 so as to be freely opened and closed. In the present embodiment, the case where the door 10 is an outward opening door will be described, but the door 10 may be an inward opening door.

  As shown in FIG. 9, a handle 3 (operation unit) that is operated when the door 10 is opened and closed is attached to the door 10. The handle 3 is movable in the front-rear direction (a direction orthogonal to the door 10) with respect to the door 10. When the handle 3 is pushed in a direction approaching the door 10 (forward), the detection unit 153 (described later) detects that the handle 3 has been operated. Further, when the handle 3 is pulled away from the door 10 (rearward), the latched state of the latch bolt 17 (see FIG. 9) provided on the door 10 is released, and the handle 10 is further pulled so that the door 10 is pulled. Can be opened.

  In recent years, in order to improve the crime prevention performance of buildings, it is common to attach a plurality of locks to the door 10. In the present embodiment, two electric locks 11 </ b> A and 11 </ b> B are attached to the door tip of the door 10. The number of electric locks is not limited to two, and may be one or three or more.

  First, the configuration of the electric locks 11A and 11B will be described with reference to FIGS. As shown in FIG. 8, the electric locks 11 </ b> A and 11 </ b> B each include a lock 12, a driving device 13, a position detection unit 14, and a case 40 (see FIG. 1). That is, the electric locks 11A and 11B have the same configuration.

  As shown in FIGS. 1 to 3, the lock 12 includes a dead bolt 121, a rotating member 122, and an elastic member 128.

  The dead bolt 121 is formed in a rectangular parallelepiped shape that is long in the left-right direction, for example, by a metal material such as stainless steel. At a position on the right side of the upper surface of the dead bolt 121, a rectangular hooking groove 1211 for hooking a hooking portion 1253 of a lever 125 described later is provided. A pair of tapered surfaces 1212 for guiding the hooking portion 1253 is provided at the opening edge in the left-right direction of the hooking groove 1211. The dead bolt 121 is configured to move between a position (position shown in FIG. 1) in a locked state and a position (position shown in FIG. 3) in an unlocked state as the rotating member 122 rotates. Has been. The locked state is a state in which a part of the dead bolt 121 protrudes from the case 40 through an opening 401 (described later) provided on the left side surface of the case 40. The unlocked state is a state in which the dead bolt 121 is housed in the case 40.

  As shown in FIG. 4, the rotating member 122 includes a dharma 123, a gear 124, a lever 125, a pair of flanges 126 and 127, and a return spring 130.

  The dharma 123 has a cylindrical portion 1231 formed in a cylindrical shape from a metal material or a resin material. A through-hole 1232 that penetrates in the front-rear direction is provided in the center of the cylindrical portion 1231. In addition, a flange 1233 that protrudes outward (in the radial direction) is formed on the front end edge of the cylindrical portion 1231 over the entire circumference. Further, on the outer peripheral surface of the cylindrical portion 1231, a pair of protruding portions 1234 and 1234 protruding outward (radial direction) are point-symmetric with respect to the center point of the cylindrical portion 1231 when viewed from the front-rear direction. In the position. A thumb turn is inserted into the through hole 1232 of the dharma 123 from the front, and the cylinder 4 (see FIG. 9) is inserted from the rear. Then, by rotating the thumb turn from the inside of the door 10 or by rotating the cylinder 4 by inserting a key into the cylinder 4 from the outside of the door 10, the dead bolt 121 is in a locked or unlocked position. Can be moved to.

  The gear 124 has a gear body 1241 formed in a semi-annular shape from a metal material or a resin material. A plurality of third teeth 1242 are formed on the outer peripheral surface of the gear body 1241 along the circumferential direction. A pair of stoppers 1243 and 1244 projecting outward (in the radial direction) are provided on both sides of the plurality of third teeth 1242 on the outer peripheral surface of the gear body 1241. Further, on the rear surface of the gear main body 1241, a plurality (five in the figure) of protrusions 1245 protruding rearward are provided at equal intervals along the circumferential direction. In addition, a plurality of protrusions 1246 (see FIG. 6A) protruding forward are provided at equal intervals along the circumferential direction on the front surface of the gear body 1241.

  The lever 125 has an annular portion 1251 formed in an annular shape from a metal material or a resin material. A circular through hole 1252 that penetrates in the front-rear direction is provided at the center of the annular portion 1251. Further, on the outer peripheral surface of the annular portion 1251, a rod-like hooking portion 1253 that protrudes outward (in the radial direction) is provided. The hooking portion 1253 is hooked by the hooking groove 1211 of the dead bolt 121 when the rotating member 122 rotates, thereby moving the dead bolt 121 to a position where it is locked or unlocked.

  The flange 126 has a flange body 1261 formed in a disk shape from a metal material or a resin material. A circular through hole 1262 that penetrates in the front-rear direction is provided in the center of the flange main body 1261. In addition, a pair of grooves 1267 along the rotation direction of the flange 126 are provided at the opening edge of the through hole 1262 at point-symmetrical positions with respect to the center of the through hole 1262. Further, the flange main body 1261 is provided with a groove 1263 that penetrates in the front-rear direction and extends in the rotation direction of the flange 126. The through hole 1262 and the groove 1263 are connected. A plurality (five in the drawing) of openings 1264 are provided at equal intervals along the circumferential direction around the through-hole 1262 in the flange main body 1261. The flange 126 is attached to the gear 124 by fitting the plurality of protrusions 1245 provided on the gear 124 into the plurality of openings 1264, respectively. The flange main body 1261 is provided with an insertion hole 1265 through which a pin 1283 (described later) of the elastic member 128 is inserted.

  Like the flange 126, the flange 127 has a flange main body 1271 formed in a disk shape from a metal material or a resin material. In the center of the flange main body 1271, a circular through-hole 1272 that penetrates in the front-rear direction is provided. Further, a pair of grooves 1277 along the rotation direction of the flange 127 are provided at the opening edge of the through hole 1272 at positions that are point-symmetric with respect to the center of the through hole 1272. Further, the flange main body 1271 is provided with a groove 1273 that penetrates in the front-rear direction and extends in the rotational direction of the flange 127. These through holes 1272 and grooves 1273 are connected. A plurality (five in the drawing) of openings 1274 are provided at equal intervals along the circumferential direction around the through-hole 1272 in the flange main body 1271. The plurality of protrusions 1246 (see FIG. 6A) provided on the above-described gear 124 are fitted into the plurality of openings 1274, so that the flange 127 is attached to the gear 124. The flange main body 1271 is provided with an insertion hole 1275 through which the pin 1283 of the elastic member 128 is inserted.

  The return spring 130 is formed in a coil shape by winding a metal wire 1301 in a spiral shape. The return spring 130 is configured to apply a clockwise (clockwise) elastic force to the flange 126.

  As shown in FIG. 4, the elastic member 128 includes a support body 1281, a coil spring 1282, and pins 1283 and 1284.

  The support 1281 is formed in a rod shape from, for example, a metal material. The coil spring 1282 is formed in a coil shape by winding a metal wire in a spiral shape. The coil spring 1282 is held by the support body 1281 in a state where the support body 1281 is passed through the center hole thereof.

  The pin 1283 is a connecting pin for connecting the support body 1281 to the pair of flanges 126 and 127. The pin 1284 has an insertion hole 1285 through which the support body 1281 is inserted, and is fixed to the case 40 with the support body 1281 inserted through the insertion hole 1285. That is, in this embodiment, the support body 1281 is configured to move in the insertion hole 1285 of the pin 1284 by rotating the pin 1283 as the pair of flanges 126 and 127 rotate. Here, as shown in FIG. 1, the coil spring 1282 is held by the support body 1281 while being arranged between the pins 1283 and 1284, and is configured to expand and contract as the support body 1281 moves. Yes.

  As shown in FIGS. 1 to 3, the drive device 13 includes a drive unit 131, a first gear 132, a second gear 133, a third gear 134, and a case 150. The first gear 132, the second gear 133, and the third gear 134 are made of a metal material or a resin material. The case 150 is formed in a rectangular box shape from a metal material or a resin material.

  The drive unit 131 includes a drive motor 1311 and a worm gear (screw gear) 1312 attached to the output shaft 1313 of the drive motor 1311. The drive unit 131 rotates forward or backward in accordance with drive signals from drive circuits 155 and 156 (described later), and transmits the drive force generated by the rotation to the first gear 132.

  The first gear 132 is a helical gear that meshes with the worm gear 1312. A plurality of first teeth 1321 meshing with the worm gear 1312 are formed on the outer peripheral surface of the first gear 132 over the entire circumference. A fourth gear 135 having a smaller diameter than the first gear 132 is integrally formed on the rear surface of the first gear 132. The fourth gear 135 is, for example, a spur gear. A plurality of teeth 1351 are formed on the outer peripheral surface of the fourth gear 135 over the entire circumference. The first gear 132 and the fourth gear 135 are rotatably attached to the case 150 via the first support shaft 137.

  The second gear 133 is, for example, a spur gear. A plurality of second teeth 1331 that mesh with a plurality of third teeth 1242 provided on the gear 124 are formed on the outer peripheral surface of the second gear 133. Further, as shown in FIG. 5, a missing tooth portion 1332 in which the second teeth 1331 are not formed is provided on the front side of the second gear 133. The missing tooth portion 1332 is provided in a certain range along the circumferential direction of the second gear 133. For example, as shown in FIGS. 1 and 3, the second gear 133 and the gear 124 are separated in a state where the plurality of third teeth 1242 and the missing tooth portion 1332 face each other. In other words, the second tooth 1331 of the second gear 133 and the third tooth 1242 of the gear 124 are not engaged with each other. Therefore, by rotating the thumb turn or the cylinder 4 attached to the dharma 123, the dead bolt 121 can be manually moved to a position where it is locked or unlocked. A pair of stoppers 1333 and 1334 are provided on both sides of the toothless portion 1332 on the outer peripheral surface of the second gear 133 so as to protrude outward (in the radial direction). These stoppers 1333 and 1334 are configured to restrict the rotation of the gear 124 when any one of the stoppers 1243 and 1244 provided on the gear 124 contacts. The second gear 133 is rotatably attached to the case 150 via the second support shaft 138. The number of teeth of the second teeth 1331 is set to the number of teeth that can mesh with the plurality of third teeth 1242 provided on the gear 124 and rotate the rotating member 122 to the locked position or the unlocked position. . Here, in this embodiment, the drive part 131 and the rotation member 122 can be cut off by the toothless part 1332 provided in the second gear 133, and the second gear 133 functions as a clutch mechanism.

  The third gear 134 is the same spur gear as the second gear 133. A plurality of teeth 1341 that mesh with a plurality of teeth 1351 provided on the fourth gear 135 are formed on the outer peripheral surface of the third gear 134 over the entire circumference. Further, as shown in FIG. 5, a fifth gear 136 having a smaller diameter than the third gear 134 is integrally formed on the front surface of the third gear 134. A plurality of teeth 1361 that mesh with the second teeth 1331 of the second gear 133 are formed on the outer peripheral surface of the fifth gear 136 over the entire circumference. The fifth gear 136 is formed with a groove 1362 in which the first gear 132 is disposed over the entire circumference in a state where the first gear 132, the second gear 133, and the third gear 134 are combined ( (See FIG. 5). The third gear 134 and the fifth gear 136 are rotatably attached to the case 150 via a third support shaft 139. Here, in the present embodiment, the first gear 132, the second gear 133, the third gear 134, the fourth gear 135, and the fifth gear 136 constitute a plurality of gears.

  The position detection unit 14 includes a magnet 141 (see FIG. 1) and a magnetic sensor 142 (see FIG. 8). The position detection unit 14 detects the position of the rotating member 122 based on the magnetic detection result by the magnetic sensor 142 and outputs the detection result to the arithmetic processing unit 151 (described later). As shown in FIGS. 1 to 3, the magnet 141 is attached to a magnet holder 129. The magnet holder 129 has a holder main body 1291 formed in an annular shape from, for example, a resin material. A circular through hole 1292 that penetrates in the front-rear direction is provided in the center of the holder main body 1291. Further, on the outer peripheral surface of the holder main body 1291, a plate-like arm portion 1293 protruding outward (radial direction) is integrally provided. And the above-mentioned magnet 141 is attached to the position near the front-end | tip of the arm part 1293, as shown in FIGS. The magnet holder 129 is attached to the above-described lever 125 and rotates together with the lever 125. In the present embodiment, the magnetic sensor 142 is configured to detect the magnetism of the magnet 141 at the position shown in FIG. Therefore, the position detection unit 14 detects that the rotating member 122 is in the locking position (position shown in FIG. 1) based on the detection result of the magnetic sensor 142. Thereby, the arithmetic processing unit 151 can indirectly detect the position of the dead bolt 121, in other words, whether the dead bolt 121 is in the locked state or the unlocked state.

  The case 40 is formed of a metal material in a rectangular box shape that is long in the vertical direction. A rectangular opening 401 is provided on the left side surface of the case 40 and at a lower position. The dead bolt 121 described above moves between a position where the dead bolt 121 protrudes from the case 40 through the opening 401 and a position where the dead bolt 121 can be accommodated in the case 40 through the opening 401. In other words, the deadbolt 121 moves between a position that is locked and a position that is unlocked.

  Next, the configuration of the lock control device 15 will be described with reference to FIG. The lock control device 15 includes an arithmetic processing unit 151, a communication unit 152, a detection unit 153, a display unit 154, drive circuits 155 and 156, and a power supply unit 157.

  The arithmetic processing unit 151 includes, for example, a microcomputer as a main configuration. The microcomputer realizes a function as the arithmetic processing unit 151 by executing a program stored in the memory by a processor such as a CPU (Central Processing Unit). In this embodiment, the arithmetic processing unit 151 functions as an authentication unit 1511 that performs authentication of the responder 2 and also functions as a control unit 1512 that controls locking and unlocking of the electric locks 11A and 11B. The program may be recorded in advance in a memory of a microcomputer, may be provided by being recorded on a recording medium such as a memory card, or may be provided through an electric communication line.

  In addition, the arithmetic processing unit 151 includes a storage unit 1513. The storage unit 1513 is an electrically rewritable nonvolatile memory such as an EEPROM (Electrically Erasable and Programmable Read Only Memory). The storage unit 1513 stores identification information of the responder 2 that permits unlocking or locking. Note that the responder 2 in which the identification information is stored in the storage unit 1513 is a responder that is permitted to unlock or lock the electric locks 11A and 11B. It is called “vessel”.

  The communication unit 152 includes a communication circuit 1521 and an antenna 1522. The antenna 1522 is a coil-shaped antenna and is attached to the outdoor side of the door 10. The communication circuit 1521 transmits and receives wireless signals via the antenna 1522. In addition, although the communication part 152 of this embodiment transmits / receives a radio signal between the responders 2, the communication specification between the communication part 152 and the responder 2 can be changed suitably.

  The detection unit 153 includes a push switch provided on the handle 3, and detects the position of the handle 3 based on the contact state of the push switch. In other words, the detection unit 153 detects whether or not the handle 3 as the operation unit has been operated.

  The display unit 154 includes, for example, an LED (Light Emitting Diode) or a liquid crystal display. The display unit 154 is provided on the outdoor side of the door 10 and displays the operation state of the electric lock device 1 (for example, the lock / unlock state of the electric locks 11A and 11B and the authentication result of the responder 2).

  The drive circuit 155 outputs a drive signal for locking or unlocking the electric lock 11A to the electric lock 11A in accordance with a control signal input from the arithmetic processing unit 151.

  The drive circuit 156 outputs a drive signal for locking or unlocking the electric lock 11B to the electric lock 11B in accordance with a control signal input from the arithmetic processing unit 151.

  The power supply unit 157 supplies operating power to each unit of the electric lock device 1 using, for example, a battery as a power source. The power supply unit 157 may include a power receiving unit that receives power supply from the power transmission unit provided on the door frame 20 by a non-contact power feeding method, and may be configured to operate with power supplied from the outside.

  The opening / closing sensor 16 includes, for example, a magnet attached to the door frame 20 and a magnetic sensor disposed on the door 10 so as to face the magnet when the door 10 is closed. The open / close sensor 16 detects the open / closed state of the door 10 based on the magnetic detection result by the magnetic sensor, and outputs the detection result to the arithmetic processing unit 151.

  Further, the responder 2 will be described with reference to FIG.

  The responder 2 includes a control unit 21, a communication circuit 22, an antenna 23, a display unit 24, an operation unit 25, and a power supply unit 26.

  The control unit 21 includes, for example, a microcomputer as a main configuration. The microcomputer realizes a function as the control unit 21 by executing a program stored in the memory by a processor such as a CPU. The program may be recorded in advance in a memory of a microcomputer, may be provided by being recorded on a recording medium such as a memory card, or may be provided through an electric communication line.

  Further, identification information assigned to the responder 2 is held in the memory. When the communication circuit 22 receives the interrogation signal transmitted from the lock control device 15, the control unit 21 creates a response signal including identification information stored in the memory, and causes the communication circuit 22 to transmit this response signal.

  The communication circuit 22 transmits and receives radio signals to and from the lock control device 15 using a coil-type antenna 23.

  The antenna 23 has a three-axis configuration in which, for example, three independent coils are arranged orthogonally. Accordingly, stable communication with the lock control device 15 can be performed regardless of the orientation of the responder 2.

  The display unit 24 includes, for example, an LED or a liquid crystal display, and displays the operating state of the responder 2 with light or characters.

  For example, the operation unit 25 performs an operation of turning on / off the power of the responder 2.

  The power supply unit 26 includes, for example, a coin-type lithium battery, and supplies power for driving each unit.

  Next, the operation of the electric lock 11 will be described with reference to FIGS. First, the case where the electric lock 11 is unlocked electrically will be described. However, since the operation of the electric locks 11A and 11B is the same, only the electric lock 11A will be described below.

  FIG. 1 is a cross-sectional view showing a state where the door 10 is locked by the dead bolt 121. At this time, since the drive motor 1311 is stopped, the first gear 132, the second gear 133, the third gear 134, the fourth gear 135, and the fifth gear 136 connected to the drive motor 1311 via the worm gear 1312 are also included. It has stopped. The center point P3 of the pin 1283 connected to the rotating member 122 (strictly, a pair of flanges 126 and 127) is relative to a straight line L1 passing through the center point P1 of the rotating member 122 and the center point P2 of the pin 1284. On the left. Therefore, the clockwise rotational force M <b> 1 acts on the rotating member 122 from the elastic member 128. Further, in the state shown in FIG. 1, since the toothless portion 1332 of the second gear 133 and the rotating member 122 are opposed to each other, the second gear 133 and the gear 124 are not engaged with each other (see FIG. 6A). The member 122 tends to rotate clockwise by the rotational force M1 from the elastic member 128. However, since the stopper 1244 of the gear 124 and the stopper 1334 of the second gear 133 are in contact with each other, the clockwise rotation of the rotating member 122 is restricted. Here, in this embodiment, the position of the rotating member 122 shown in FIG. 1 is a locking position. In this state, the rotational force M <b> 1 that holds the rotating member 122 in the locked position is acting on the rotating member 122.

  When authentication by the authentication unit 1511 of the arithmetic processing unit 151 is established, the drive circuit 155 outputs a drive signal for unlocking the electric lock 11A to the electric lock 11A in accordance with a control signal input from the arithmetic processing unit 151. In the electric lock 11A, when the drive signal from the drive circuit 155 is input, the drive motor 1311 rotates in the first direction (clockwise as viewed from the left side) according to the drive signal. When the drive motor 1311 rotates in the first direction, the first gear 132 and the fourth gear 135 rotate clockwise (clockwise) via the worm gear 1312 attached to the drive motor 1311. When the first gear 132 and the fourth gear 135 rotate clockwise, the third gear 134 that meshes with the fourth gear 135 rotates counterclockwise (counterclockwise). At this time, the fifth gear 136 integrally formed with the third gear 134 also rotates counterclockwise. When the third gear 134 and the fifth gear 136 rotate counterclockwise, the second gear 133 that meshes with the fifth gear 136 rotates clockwise.

  When the second gear 133 rotates clockwise, the gear 124 that meshes with the second gear 133 rotates counterclockwise. At this time, a play 1266 is provided in the rotational direction between the first end edge of the groove 1263 of the flange 126 attached to the gear 124 and the hooking portion 1253 of the lever 125. Therefore, the lever 125 does not rotate, and only the gear 124 and the flanges 126 and 127 rotate counterclockwise. Thereby, the hooking portion 1253 relatively moves in the groove 1263 formed along the rotation direction. At this time, since the direction of the rotational force M1 acting on the rotating member 122 is clockwise, the rotating member 122 rotates counterclockwise against the rotational force M1.

  When the gear 124 and the flanges 126 and 127 rotate counterclockwise and the hooking portion 1253 contacts the first edge of the groove 1263, the gear 124, the lever 125, and the flanges 126 and 127 rotate together in a counterclockwise direction. (See FIG. 2). When the rotating member 122 rotates to the position shown in FIG. 2, the center point P3 of the pin 1283 of the elastic member 128 moves to the right of the straight line L1 beyond the straight line L1. In this state, the direction of the rotational force M1 from the elastic member 128 acting on the rotating member 122 is counterclockwise. That is, in the electric lock 11 of the present embodiment, the position where the center point P3 of the pin 1283 is on the straight line L1 is the reversal position where the direction of the rotational force M1 is reversed (see FIG. 7B). That is, the reverse position is a position in the middle of the rotation member 122 moving from the locking position to the unlocking position.

  In the position shown in FIG. 2, not only the driving force from the driving motor 1311 but also the rotating force M1 in the same direction as the driving force acts on the rotating member 122, and the rotating member 122 rotates at high speed counterclockwise. . When the state shown in FIG. 2 is changed to the state shown in FIG. 3, the hooking portion 1253 of the lever 125 is caught in the hooking groove 1211 of the dead bolt 121, and the dead bolt 121 is accommodated in the case 40 as the lever 125 rotates. (See FIG. 3). Here, in this embodiment, the position of the rotation member 122 shown in FIG. 3 is an unlocking position.

  In the state where the rotating member 122 is in the unlocked position, the counterclockwise rotational force M1 acts on the rotating member 122, but when the stopper 1243 of the gear 124 and the stopper 1334 of the second gear 133 come into contact with each other, Counterclockwise rotation of the rotating member 122 is restricted. When the rotating member 122 reaches the unlocked position, the flange 126 rotates clockwise by the elastic force from the return spring 130 to a position where the second end edge on the opposite side of the groove 1263 contacts the hooking portion 1253. . That is, in the electric lock 11 of the present embodiment, the play 1266 is formed on the left side of the hook portion 1253 by the elastic force from the return spring 130 regardless of the position of the rotation member 122 in the locked position or the unlocked position. The

  Next, the case where the electric lock 11 is electrically locked will be described.

  In the unlocked state shown in FIG. 3, when the drive motor 1311 rotates in the second direction opposite to the first direction, the first gear 132 and the fourth gear 135 are counterclockwise via the worm gear 1312 attached to the drive motor 1311. Rotate around (counterclockwise). When the first gear 132 and the fourth gear 135 rotate counterclockwise, the third gear 134 that meshes with the fourth gear 135 rotates clockwise (clockwise). At this time, the fifth gear 136 integrally formed with the third gear 134 also rotates clockwise. When the third gear 134 and the fifth gear 136 rotate clockwise, the second gear 133 that meshes with the fifth gear 136 rotates counterclockwise.

  When the second gear 133 rotates counterclockwise, the gear 124 that meshes with the second gear 133 rotates clockwise. At this time, since there is no play in the rotational direction between the hooking portion 1253 of the lever 125 and the second end edge of the groove 1263 of the flange 126, the gear 124, the lever 125, and the flanges 126 and 127 are integrally rotated clockwise. Rotate to. At this time, since the direction of the rotational force M1 from the elastic member 128 acting on the rotational member 122 is counterclockwise, the rotational member 122 rotates clockwise against the rotational force M1.

  When the lever 125 rotates clockwise, the hooking portion 1253 is hooked in the hooking groove 1211 of the dead bolt 121, and the dead bolt 121 is pushed out of the case 40 as the lever 125 rotates (see FIGS. 1 and 2). At this time, the counterclockwise rotational force M1 acts on the rotating member 122 until the rotating member 122 exceeds the reverse position (position shown in FIG. 7B), but when the rotating member 122 exceeds the reverse position, the rotational force M1. The direction of is clockwise. Therefore, after the rotating member 122 exceeds the reversal position, in addition to the driving force from the driving motor 1311, the rotating force M1 from the elastic member 128 also acts, and the rotating member 122 rotates at high speed in the clockwise direction. When the rotating member 122 reaches the locking position, the clockwise rotational force M1 is applied to the rotating member 122. However, when the rotating member 122 contacts the stopper 1244 of the gear 124 and the stopper 1334 of the second gear 133, the rotating member 122 rotates. The clockwise rotation of the member 122 is restricted.

  Here, in this embodiment, the lever 125 is a first member, and the flange 126 is a second member. In the present embodiment, the hooking portion 1253 of the lever 125 is a contact portion. Further, in the present embodiment, the position of the second gear 133 shown in FIG. 1 is the first position, and the position of the second gear 133 shown in FIG. 3 is the second position.

  By the way, in the electric lock 11 of this embodiment, as shown in FIG.1 and FIG.3, even if the rotation member 122 exists in any position of a locking position and an unlocking position, The rotating member 122 is configured to face the rotating member 122. That is, it is configured such that the missing tooth portion 1332 of the second gear 133 faces the rotating member 122 side regardless of whether the rotating member 122 is in the locked position or the unlocked position. When the rotating member 122 is in the locked position or the unlocked position, the second tooth 1331 of the second gear 133 and the third tooth 1242 of the gear 124 are not engaged with each other, and the second gear 133 and the rotating member 122 Are spaced apart (see FIG. 6A). Therefore, in a state where the rotating member 122 is in the locking position or the unlocking position, the user can rotate the rotating member 122 between the locking position and the unlocking position by rotating the thumb turn or the cylinder 4. In other words, the deadbolt 121 can be moved between a position where the locked state is set and a position where the unlocked state is set by a manual operation by the user. In the state where the rotating member 122 is in the middle position between the locked position and the unlocked position, as shown in FIG. 6B, the second tooth 1331 of the second gear 133 and the third tooth 1242 of the gear 124 mesh with each other. ing.

  Further, in a state where the rotating member 122 is in the locked position, the third tooth 1242 at one end in the circumferential direction of the gear 124 and the missing tooth portion 1332 face each other among the plurality of third teeth 1242 formed on the gear 124. (See FIG. 1). In the state where the rotating member 122 is in the unlocked position, the third tooth 1242 at the other end in the circumferential direction of the gear 124 and the missing tooth portion 1332 face each other among the plurality of third teeth 1242 formed on the gear 124. (See FIG. 3). That is, the third tooth 1242 faces the missing tooth portion 1332 regardless of whether the rotating member 122 is in the locked position or the unlocked position. Then, in a state where the rotating member 122 is rotated and the rotating member 122 is in the middle position between the locked position and the unlocked position, as shown in FIG. 6B, the second teeth 1331 of the second gear 133 and the gear 124 The third teeth 1242 are engaged with each other. Accordingly, when manually unlocking and unlocking with the thumb turn or the cylinder 4, the drive unit 131 and the rotating member 122 are separated from each other, but when electrically driving and unlocking with the driving unit 131, the second gear 133 and the rotating member 122 are connected. Can be engaged.

  In addition, a clutch mechanism can be realized simply by providing the second gear 133 with the toothless portion 1332 and no clutch means is required unlike the conventional electric lock. That is, according to the electric lock 11 of the present embodiment, the structure can be simplified while preventing the driving force of the rotating member 122 during manual operation from being transmitted to the driving unit 131.

  Moreover, in the electric lock 11 of this embodiment, as shown in FIGS. 1-3, the rotation angle of the 2nd gear 133 when rotating the rotation member 122 from one of the locking position and the unlocking position to the other is 360 degrees. It is. Therefore, compared with the case where the rotation angle of the 2nd gear 133 exceeds 360 degree | times, the frequency | count of contact of the 2nd tooth | gear 1331 can be reduced, and the lifetime of the 2nd gearwheel 133 can be extended by this.

  Furthermore, in the electric lock 11 of this embodiment, as shown in FIGS. 7A to 7C, the rotation angle θ1 of the rotating member 122 from the locking position to the reversing position is the rotation of the rotating member 122 from the reversing position to the unlocking position. It is smaller than the angle θ2. That is, in the electric lock 11 of the present embodiment, there is a reverse position at a position closer to the locking position than an intermediate position between the locking position and the unlocking position. Here, when the reverse position is an intermediate position between the locked position and the unlocked position, the rotating member 122 is rotated by the driving force from the drive motor 1311 until the intermediate position is reached, and from the elastic member 128 when the intermediate position is exceeded. The rotating member 122 rotates at a high speed by the rotational force M1. On the other hand, in the electric lock 11 of this embodiment, the position closer to the locking position is the reverse position than the intermediate position between the locking position and the unlocking position, and is earlier than the case where the reverse position is the intermediate position. The rotating member 122 starts high-speed rotation at the timing. Therefore, according to the electric lock 11 of the present embodiment, the unlocking speed can be increased compared to the case where the reverse position is the intermediate position. In addition, since the time for rotating the rotating member 122 only by the driving force of the driving motor 1311 can be shortened, the load on the driving motor 1311 can be reduced. Further, when a clutch mechanism for separating the rotating member 122 and the second gear 133 after the direction of the rotational force M1 from the elastic member 128 is reversed is provided, the position where the direction of the rotational force M1 from the elastic member 128 is reversed. The drive motor 1311 may be driven up to. Thereby, the load of the drive motor 1311 can be further reduced. Here, the above-mentioned intermediate position means a position equidistant from the locking position and the unlocking position.

  As shown in FIG. 7A, the angle α1 of the play 1266 between the first edge of the groove 1263 of the flange 126 and the hooking portion 1253 of the lever 125 is the rotation angle of the rotating member 122 from the locking position to the reverse position. It is preferable that it is θ1 or more. In this case, the rotating member 122 is rotated only by the driving force of the driving motor 1311 until the hooking portion 1253 contacts the first edge of the groove 1263, but only the gear 124 and the flanges 126 and 127 are rotated. It's okay. Therefore, according to this configuration, the load on the drive motor 1311 can be reduced. In addition, after the hooking portion 1253 contacts the first edge of the groove 1263, the gear 124, the lever 125, and the flanges 126 and 127 rotate together, but the rotational force in the same direction as the rotational direction of the rotating member 122. M1 acts on the rotating member 122. Therefore, according to this configuration, even when the gear 124, the lever 125, and the flanges 126 and 127 rotate together, the load on the drive motor 1311 can be reduced by the rotational force M1 from the elastic member 128.

  Here, in the electric lock 11 of the present embodiment, the rotation angle (θ1 + θ2) of the rotating member 122 from the locking position to the unlocking position is 90 degrees. Therefore, the rotation angle θ1 from the locking position to the reverse position is set in the range of 0 degrees to 45 degrees. And like the electric lock 11 of this embodiment, when unlocking the lock | rock 12 at high speed, it is preferable to set the said rotation angle (theta) 1 in the range of 5 to 40 degree | times. In order to further increase the unlocking speed of the lock 12, the rotation angle θ1 is more preferably 30 degrees or less. However, if the rotation angle θ1 is too small, it can be easily unlocked by picking or the like, which is not preferable for crime prevention. Therefore, in consideration of crime prevention, the rotation angle θ1 is more preferably 10 degrees or more. In order to improve crime prevention performance while increasing the unlocking speed, the rotation angle θ1 is most preferably 22.5 degrees. That is, by setting the rotation angle θ1 from the locking position to the reversing position of the rotating member 122 to 22.5 degrees, it is possible to improve crime prevention against picking and the like while increasing the unlocking speed of the lock 12. it can.

  Moreover, when using two electric locks 11A and 11B as in the electric lock system 100 of the present embodiment, it is preferable to drive the two electric locks 11A and 11B simultaneously in order to shorten the unlocking time. . However, when the two electric locks 11A and 11B are driven simultaneously, load currents flowing through the drive motor 1311 are generated at substantially the same timing, and a power supply unit 157 having a capacity capable of withstanding these load currents is required. . Therefore, in this embodiment, the drive timings of the two electric locks 11A and 11B are shifted so that the unlocking time can be shortened while reducing the capacity of the power supply unit 157. Specifically, after a predetermined delay time has elapsed since one electric lock 11 </ b> A is driven by the drive unit 131, the other electric lock 11 </ b> B is driven by the drive unit 131. As a result, the load currents flowing through the two drive motors 1311 can be shifted, and the power supply unit 157 having a small capacity can be used.

  Here, when the reversal position where the direction of the rotational force M1 by the elastic member 128 is reversed is an intermediate position between the locking position and the unlocking position (position 45 degrees from the locking position), the rotation is driven by the driving force of the driving motor 1311. It is necessary to rotate the member 122 to the reverse position. In this case, the delay time of the two electric locks 11A and 11B is required to be about 0.2 seconds. On the other hand, in the electric lock 11 of this embodiment, the rotation angle from the locking position to the reversal position is set to an angle smaller than 45 degrees (for example, 22.5 degrees). Therefore, the drive time of the drive motor 1311 can be shortened, and thereby the delay time (for example, 0.05 seconds) of the electric lock 11B with respect to the electric lock 11A can be shortened. As a result, the total unlocking time until the two electric locks 11A and 11B are unlocked can be shortened while reducing the capacity of the power supply unit 157.

  By the way, in the electric lock 11 of this embodiment, as shown in FIG. 10, a pair of protrusions 1234 provided on the dharma 123 are respectively disposed in a pair of grooves 1277 provided on the flange 127. When the rotating member 122 is in the locked position, a play 1278 is formed between the end edge of the groove 1277 and the projection 1234 by the elastic force from the return spring 130. When the electric lock 11 is manually unlocked by the thumb turn or the cylinder 4, only the dharma 123 rotates until the protrusion 1234 contacts the edge of the groove 1277. Then, after the protrusion 1234 contacts the edge of the groove 1277, the dharma 123 and the flange 127 rotate together, and the direction of the rotational force M1 from the elastic member 128 is reversed when the reversal position is exceeded. Thereafter, the rotating member 122 including the dharma 123 and the flange 127 is rotated at a high speed to the unlocked position by the rotational force M1. For example, the rotation angle of the dharma 123 until the protrusion 1234 contacts the edge of the groove 1277 is set to 22.5 degrees, and the rotation angle of the rotating member 122 from the locking position to the reverse position is set to 22.5 degrees. Assuming that At this time, in order to unlock manually, the thumb turn or the cylinder 4 is rotated 45 degrees. On the other hand, in the case where the play 1278 is not provided, the unlocking can be performed only by rotating the thumb turn or the cylinder 4 by 22.5 degrees. Therefore, according to the electric lock 11 of this embodiment, the crime prevention is improved. Can be made. In other words, the time for unlocking can be shortened when electrically unlocked, while the angle of rotation can be increased when unlocking manually, thereby improving security. In the present embodiment, the relationship between the dharma 123 and the flange 127 has been described. The same applies to the relationship between the dharma 123 and the flange 126. Therefore, the description of the relationship between the dharma 123 and the flange 126 is omitted.

  Next, the operation of the electric lock system 100 when the door 10 is opened from the outside to enter the room will be described.

  When the user carrying the regular responder 2 opens the door 10 from outside, the user holds the handle 3 and pushes the handle 3 forward (in the direction approaching the door 10).

  When the handle 3 is pushed forward, the contact state of the above-described push switch is reversed, for example, from off to on. The contact signal of the push switch is input to the detection unit 153. The detection unit 153 detects that the handle 3 has been operated because the contact state of the push switch has been reversed from off to on, and outputs a detection signal to the arithmetic processing unit 151. When a detection signal is input from the detection unit 153 to the arithmetic processing unit 151, the authentication unit 1511 starts authentication of the responder 2 using the detection signal as a trigger.

  The authentication unit 1511 causes the communication unit 152 to transmit a question signal that requests the responder 2 to transmit identification information. When the responder 2 carried by the user receives the question signal transmitted from the communication unit 152, the responder 2 transmits a response signal to the question signal. Upon receiving the response signal transmitted from the responder 2, the communication unit 152 outputs the received response signal to the arithmetic processing unit 151.

  When a response signal is input from the communication unit 152 to the arithmetic processing unit 151, the authentication unit 1511 collates the identification information included in the response signal with the identification information stored in the storage unit 1513, thereby responding to the responder 2. Authenticate.

  If the identification information included in the response signal does not match the identification information stored in the storage unit 1513, that is, if the authentication of the responder 2 is not established, the authentication unit 1511 determines that the person who operated the handle 3 It is determined that the device 2 is not carried. Then, the authentication unit 1511 does not cause the control unit 1512 to unlock the electric locks 11A and 11B, and the electric locks 11A and 11B maintain the locked state. At this time, the arithmetic processing unit 151 notifies the fact that the authentication has not been established by controlling the display unit 154 to blink the lamp or sound the buzzer.

  On the other hand, when the identification information included in the response signal matches the identification information stored in the storage unit 1513, that is, when the authentication of the responder 2 is established, the authentication unit 1511 determines that it is a legitimate responder 2. When the authentication unit 1511 determines that the responder 2 is a regular responder 2, the control unit 1512 outputs an unlock command to the drive circuits 155 and 156. When an unlocking command is input to the drive circuits 155 and 156, the electric lock 11A is unlocked by the drive circuit 155, and the electric lock 11B is unlocked by the drive circuit 156. When the electric lock 11 </ b> A unlocks the lock 12, the position detection unit 14 detects the unlocked state (strictly, the unlocking position of the rotating member 122), and the detection result is output to the arithmetic processing unit 151. Similarly, when the electric lock 11B unlocks the lock 12, the position detection unit 14 detects the unlocked state (strictly, the unlocking position of the rotating member 122), and the detection result is output to the arithmetic processing unit 151. The

  When the handle 3 is pulled rearward (outside) after the electric locks 11A and 11B are unlocked, the latch bolt 17 is released (in a state that can be rotated in the front-rear direction) as the handle 3 is pulled. . When the handle 3 is further pulled backward from this state, the door 10 is opened. When the door 10 is opened, the open / close sensor 16 detects the open state of the door 10 and outputs a detection signal to the arithmetic processing unit 151.

  When the user carrying the transponder 2 enters the indoor state with the door 10 opened and the door 10 is closed, the open / close sensor 16 detects the closed state of the door 10 and outputs a detection signal to the arithmetic processing unit 151. Output to. When the controller 1512 unlocks the electric locks 11A and 11B and determines that the door 10 is opened and closed based on a detection signal from the opening / closing sensor 16, the controller 1512 locks the drive circuits 155 and 156 after a certain period of time. Output instructions. When a locking command is input to the drive circuits 155 and 156, the electric lock 11A is locked by the drive circuit 155, and the electric lock 11B is locked by the drive circuit 156.

  As described above, according to the electric lock 11 of the present embodiment, in the state where the rotating member 122 is in the locking position, the rotational force M <b> 1 that holds the rotating member 122 in the locking position acts on the rotating member 122. . And it is comprised so that the direction of rotational force M1 may reverse in the middle of the rotation member 122 moving from a locking position to an unlocking position. The reverse position where the direction of the rotational force M1 is reversed is a position closer to the locking position than the intermediate position between the locking position and the unlocking position. Thus, since the position closer to the locking position than the intermediate position between the locking position and the unlocking position is the reverse position, the direction of the rotational force M1 is earlier than when the reverse position is the intermediate position. Can be reversed, thereby increasing the unlocking speed. In other words, according to the electric lock 11 of the present embodiment, the unlocking speed can be made faster than the conventional electric lock.

  Further, until the hooking portion 1253 of the lever 125 comes into contact with the end edge of the groove 1263 of the flange 126, a driving force for rotating only the flange 126 may be applied from the driving portion 131, and the load on the driving portion 131 is reduced. be able to.

  Further, as in the electric lock system 100 of the present embodiment, by using the electric lock 11 whose reversal position is closer to the locking position than the intermediate position, it is possible to increase the unlocking speed compared to the conventional electric lock. A lock system 11 can be provided.

  Hereinafter, modifications of the first embodiment will be described.

  In the first embodiment described above, the number of gears is five (the first gear 132, the second gear 133, the third gear 134, the fourth gear 135, and the fifth gear 136), but the number of gears is as follows. There may be two, three, four, or more than six.

  Further, in the above-described first embodiment, the rotating member 122 is constituted by four parts, that is, the dharma 123, the gear 124, the lever 125, and the flanges 126 and 127. On the other hand, if the second gear 133 and the rotating member 122 are separated from each other regardless of whether the rotating member 122 is in the locked position or the unlocked position, one part, two parts, or three The rotating member 122 may be composed of parts. Similarly, if the second gear 133 and the rotating member 122 are separated from each other regardless of whether the rotating member 122 is in the locked position or the unlocked position, the rotating member 122 is configured with five or more parts. May be. And when the rotation member 122 is comprised by 1 part, 2 parts, or 3 parts, compared with the electric lock 11 of this embodiment, a number of parts can also be reduced.

  Furthermore, in the above-described first embodiment, the position detection unit 14 is configured to detect the position of the rotating member 122. For example, the position of the rotating member 122 is indirectly detected by detecting the position of the dead bolt 121. It may be configured to detect.

  In the first embodiment described above, the plurality of third teeth 1242 that mesh with the plurality of second teeth 1331 of the second gear 133 are provided on a part of the rotating member 122 (strictly, the gear 124). Third teeth 1242 may be provided over the entire circumference of the member 122.

  Furthermore, in the above-described first embodiment, the case where there is one missing tooth portion 1332 provided in the second gear 133 is illustrated, but two or more missing tooth portions may be provided. For example, when the rotation direction of the second gear 133 is one direction, a plurality of sets of second teeth separated by a plurality of missing teeth are used in order, and the rotation direction of the second gear 133 is bi-directional. The life of the second gear 133 can be extended compared to the case of (two directions).

  Further, in the first embodiment described above, it is configured to detect that the rotating member 122 is in the locked position by one magnetic sensor 142, but the rotating member 122 is in the unlocked position by one magnetic sensor 142. May be configured to detect this. Furthermore, in the above-described first embodiment, the case where there is one magnetic sensor is exemplified, but the position of the rotating member 122 may be detected by two magnetic sensors, for example. In this case, one of the two magnetic sensors may detect that the rotating member 122 is in the locked position, and the other magnetic sensor may detect that the rotating member 122 is in the unlocked position. Thereby, both the locked state and unlocked state of the deadbolt 121 can be detected.

  In the first embodiment, the elastic member 128 is configured using the coil spring 1282. However, the elastic member 128 may be configured using another spring such as a plate spring instead of the coil spring.

  Furthermore, although the case of the battery-type electric lock device 1 was illustrated in the above-described first embodiment, the electric lock device 1 may be configured to be supplied with power from, for example, an AC power source. In this case, since there is no problem of battery capacity unlike the battery-type electric lock device 1, the authentication unit 1511 can always authenticate, and authentication is started when the user approaches the door 10. If the authentication by the authentication unit 1511 is established, the detection signal from the detection unit 153 is used as a trigger for causing the electric locks 11A and 11B to start the unlocking operation, and when this detection signal is input to the arithmetic processing unit 151 The dead bolt 121 is moved to a position where the unlocked state is achieved.

  That is, when the detection unit 153 detects the operation of the handle 3 (operation unit), the electric lock 11 is locked or unlocked. Therefore, the time lag from the time when the handle 3 is operated to the time when the electric lock 11 is locked or unlocked can be shortened, and there is an advantage that the dead bolt 121 is not easily caught by the strike when the handle 3 is operated.

(Embodiment 2)
The electric lock 11 of Embodiment 2 is demonstrated with reference to FIGS. 11-15B. The present embodiment is different from the first embodiment in that the second gear 133 (gear) has a first disk 133A and a second disk 133B. Other configurations are the same as those of the first embodiment, and the same configurations as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted. That is, since the configuration other than the second gear 133 is the same as that of the first embodiment, a detailed description of the configuration other than the second gear 133 is omitted here.

  As shown in FIG. 11, the electric lock 11 of the present embodiment includes a lock 12, a drive device 13, a position detection unit 14 (see FIG. 8), and a case 40. The lock 12 includes a dead bolt 121, a rotating member 122, and an elastic member 128. The driving device 13 includes a driving unit 131, a first gear 132, a second gear 133 (gear), a third gear 134, a substrate 140, and a case 150. The first gear 132, the second gear 133, and the third gear 134 are made of a metal material or a resin material. The case 150 is formed in a rectangular box shape from a metal material or a resin material.

  Here, in the electric lock 11 of the present embodiment, the advance angle of the groove of the worm gear 1312 is large, and the advance angle of the groove of the first gear 132 that meshes with the worm gear 1312 is also large. Therefore, in the electric lock 11, the worm gear 1312 is rotated via the first gear 132, the second gear 133, and the third gear 134 by rotating the rotating member 122 while the drive motor 1311 is stopped. be able to. That is, the electric lock 11 of the present embodiment is configured not to be self-locking.

  The substrate 140 includes the arithmetic processing unit 151, the communication unit 152, the drive circuits 155 and 156, the magnetic sensor 142, and the like described in the first embodiment. In the present embodiment, the two magnetic sensors 142 are mounted on the substrate 140 so that the rotating member 122 can be detected in the locked position and in the unlocked position. On the other hand, the magnet 141 whose magnetism is detected by the magnetic sensor 142 is attached to a second disk 133B described later (see FIG. 15A). In the present embodiment, a magnetic sensor 142 for position detection for returning the origin of a first disk 133A described later is also mounted on the substrate 140. On the other hand, the magnet 141 whose magnetism is detected by the magnetic sensor 142 is attached to the first disk 133A (see FIG. 15B). Here, “return to origin” means that in the state where the rotating member 122 is located at the locking position or the unlocking position, the next locking / unlocking operation is manually performed so that the time lag is reduced during the next locking / unlocking operation. When performing the unlocking operation, the first disk 133A is moved back to the original position (FIGS. 12 and 14) so that the rotational force of the second disk 133B is disconnected from the first disk 133A to the drive motor 1311 during unlocking. To the position shown in FIG.

  As shown in FIGS. 11 to 15B, the second gear 133 includes a first disk 133A and a second disk 133B.

  The first disk 133A is, for example, a spur gear. A plurality of second teeth 1331 that mesh with a plurality of teeth 1361 provided on the fifth gear 136 are formed on the outer peripheral surface of the first disk 133A. In the present embodiment, the plurality of second teeth 1331 are formed not on the entire circumference of the first disk 133A but on a part of the circumferential direction of the first disk 133A. In other words, there is a part where the second teeth 1331 are not provided on the outer peripheral surface of the first disk 133A, and a magnet 141 for returning to the origin is attached to the part. Further, as shown in FIG. 15B, a columnar protrusion 1335 that protrudes rearward (on the second disk 133B side) is integrally provided on the rear surface of the first disk 133A (the surface facing the second disk 133B). ing. Furthermore, an arc-shaped groove 1336 formed along the circumferential direction of the first disk 133A is provided on the rear surface of the first disk 133A.

  The second disk 133B is a spur gear like the first disk 133A. A plurality of teeth 1337 that mesh with a plurality of third teeth 1242 provided on the gear 124 of the rotating member 122 are formed on the outer peripheral surface of the second disk 133B. In the present embodiment, the plurality of teeth 1337 are formed not on the entire circumference of the second disk 133B but on a part of the circumferential direction of the second disk 133B. Further, as shown in FIG. 15A, a magnet 141 for detecting the position of the rotating member 122 is attached to the front surface of the second disk 133B (the surface facing the first disk 133A). Further, the second disk 133B is provided with an arc-shaped long hole 1339 that penetrates in the front-rear direction (thickness direction of the second disk 133B) and is formed along the circumferential direction of the second disk 133B.

  The second gear 133 is configured by assembling the first disk 133A and the second disk 133B. In a state where the first disk 133A and the second disk 133B are assembled, the protruding portion 1335 of the first disk 133A is inserted into the elongated hole 1339 of the second disk 133B, and the magnet 141 attached to the second disk 133B is the first. The disc 1A is accommodated in the groove 1336. Therefore, in the second gear 133 of the present embodiment, the protrusion 1335 of the first disk 133A moves in the long hole 1339 of the second disk 133B, so that the second disk 133B can rotate with respect to the first disk 133A. It is configured. Here, the dimension along the circumferential direction of the groove 1336 is in the circumferential direction of the long hole 1339 so that the magnet 141 does not contact the edge of the groove 1336 when the second disk 133B rotates with respect to the first disk 133A. It is preferable that the length is set longer than the dimension along.

  Next, the operation of the electric lock 11 will be described with reference to FIGS. First, the case where the electric lock 11 is unlocked electrically will be described.

  FIG. 12 is a plan view of the main part in a state where the door 10 is locked by the dead bolt 121 as viewed from the rear. At this time, since the drive motor 1311 is stopped, the first gear 132, the second gear 133 (strictly, the first disk 133A), the third gear 134, the second gear connected to the drive motor 1311 via the worm gear 1312. The fourth gear 135 and the fifth gear 136 are also stopped. The center point P3 of the pin 1283 connected to the rotating member 122 (strictly, a pair of flanges 126 and 127) is relative to a straight line L1 passing through the center point P1 of the rotating member 122 and the center point P2 of the pin 1284. On the left. Therefore, a counterclockwise rotational force M1 as viewed from the rear acts on the rotating member 122 from the elastic member 128. Here, in this embodiment, the position of the rotating member 122 shown in FIG. 12 is a locking position. In this state, a rotational force M <b> 1 in a direction (counterclockwise when viewed from the rear) that holds the rotating member 122 in the locked position acts on the rotating member 122.

  When authentication by the authentication unit 1511 of the arithmetic processing unit 151 is established, the drive circuit 155 (or the drive circuit 156) outputs a drive signal for unlocking the electric lock 11 in accordance with a control signal input from the arithmetic processing unit 151. Output to the lock 11. In the electric lock 11, when the drive signal from the drive circuit 155 (or the drive circuit 156) is input, the drive motor 1311 rotates in the first direction (counterclockwise when viewed from below) according to the drive signal. When the drive motor 1311 rotates in the first direction, the first gear 132 and the fourth gear 135 rotate counterclockwise (counterclockwise) when viewed from the rear via the worm gear 1312 attached to the drive motor 1311. When the first gear 132 and the fourth gear 135 rotate counterclockwise when viewed from the rear, the third gear 134 that meshes with the fourth gear 135 rotates clockwise (clockwise) when viewed from the rear. At this time, the fifth gear 136 integrally formed with the third gear 134 also rotates clockwise as viewed from the rear. When the third gear 134 and the fifth gear 136 rotate clockwise as viewed from the rear, the first disk 133A of the second gear 133 meshing with the fifth gear 136 rotates counterclockwise as viewed from the rear.

  When the first disk 133A rotates counterclockwise as viewed from the rear, the second disk 133B is moved from the rear by the counterclockwise force applied to the first edge of the elongated hole 1339 from the protrusion 1335 of the first disk 133A. Rotate counterclockwise to see. When the second disk 133B rotates counterclockwise when viewed from the rear, the gear 124 having the third teeth 1242 that mesh with the teeth 1337 of the second disk 133B rotates clockwise when viewed from the rear. At this time, play is provided in the rotational direction between the first end edges of the grooves 1263 and 1273 of the flanges 126 and 127 attached to the gear 124 and the hooking portion 1253 of the lever 125. Therefore, the lever 125 does not rotate until the first end edges of the grooves 1263 and 1273 of the flanges 126 and 127 come into contact with the hooking portion 1253 of the lever 125, and only the gear 124 and the flanges 126 and 127 rotate clockwise as viewed from the rear. Rotate to. Accordingly, the hooking portion 1253 relatively moves in the grooves 1263 and 1273 formed along the rotation direction. At this time, since the direction of the rotational force M1 acting on the rotating member 122 is counterclockwise when viewed from the rear, the rotating member 122 rotates clockwise when viewed from the rear against the rotational force M1.

  When the gear 124 and the flanges 126 and 127 rotate clockwise as viewed from the rear and the hooking portion 1253 comes into contact with the first end edges of the grooves 1263 and 1273, the gear 124, the lever 125, and the flanges 126 and 127 are integrated. It rotates clockwise as seen from the rear (see FIG. 13). In the state in which the rotating member 122 is rotated to the position shown in FIG. 13, the center point P3 of the pin 1283 of the elastic member 128 is located on the straight line L1. Then, at the time of transition from the state shown in FIG. 13 to the state shown in FIG. 14, the center point P3 of the pin 1283 moves beyond the straight line L1 to the right side of the straight line L1, thereby causing the elastic member 128 acting on the rotating member 122 to move. The direction of the rotational force M1 is clockwise when viewed from the rear. That is, in this embodiment, the position shown in FIG.

  When the rotating member 122 exceeds the reversal position, the rotating member 122 rotates at a high speed clockwise as viewed from the rear by the clockwise rotational force M1 from the elastic member 128. At this time, since the second disk 133B of the second gear 133 and the gear 124 of the rotating member 122 are engaged with each other, the second disk 133B is rotated at a high speed counterclockwise as viewed from the rear as the rotating member 122 rotates. Rotate. At this time, the first disk 133A of the second gear 133 is rotated counterclockwise as viewed from the rear at a slower speed than the second disk 133B by the driving force from the driving motor 1311. Thereby, the protrusion 1335 of the first disk 133A relatively moves in the long hole 1339 of the second disk 133B. Further, at this time, the magnet 141 attached to the second disk 133B also relatively moves in the groove 1336 of the first disk 133A.

  When the state shown in FIG. 13 is changed to the state shown in FIG. 14, the hooking portion 1253 of the lever 125 is hooked on the hooking groove 1211 of the dead bolt 121, and the dead bolt 121 is housed in the case 40 as the lever 125 rotates. It is done. Here, in this embodiment, the position of the rotation member 122 shown in FIG. 14 is an unlocking position.

  When the rotating member 122 reaches the unlocked position, the drive motor 1311 stops, and accordingly, the first gear 132, the second gear 133 (strictly, the first disk 133A) and the third gear 134 also stop. Thereafter, in order to return the first disk 133A to the origin, the arithmetic processing unit 151 moves the drive motor 1311 with respect to the drive circuit 155 (or the drive circuit 156) in the second direction opposite to the first direction (viewed from below). A control signal for rotating in a clockwise direction is output. The drive motor 1311 rotates in the second direction in accordance with the drive signal from the drive circuit 155 (or drive circuit 156), thereby causing the first disk 133A to return to the origin (see FIG. 14). At this time, the arithmetic processing unit 151 determines that the first disk 133A has returned to the origin by detecting the magnetism of the magnet 141 attached to the first disk 133A by the magnetic sensor 142 mounted on the substrate 140, and driving. The motor 1311 is stopped. When the rotating member 122 reaches the unlocked position, the flange 126 is moved to a position where the second end on the opposite side of the groove 1263 contacts the hooking portion 1253 by the elastic force from the return spring 130 (see FIG. 4). Rotates counterclockwise when viewed from behind. That is, in the electric lock 11 of the present embodiment, play is formed on the left side of the hooking portion 1253 by the elastic force from the return spring 130 regardless of the position of the rotating member 122 in the locked position or the unlocked position. .

  Next, the case where the electric lock 11 is electrically locked will be described.

  In the unlocked state shown in FIG. 14, when the drive motor 1311 rotates in the second direction, the first gear 132 and the fourth gear 135 rotate clockwise (rightward) via the worm gear 1312 attached to the drive motor 1311. Around). When the first gear 132 and the fourth gear 135 rotate clockwise as viewed from the rear, the third gear 134 that meshes with the fourth gear 135 rotates counterclockwise (counterclockwise) as viewed from the rear. At this time, the fifth gear 136 integrally formed with the third gear 134 also rotates counterclockwise as viewed from the rear. When the third gear 134 and the fifth gear 136 rotate counterclockwise as viewed from the rear, the first disk 133A of the second gear 133 that meshes with the fifth gear 136 rotates clockwise as viewed from the rear.

  When the first disk 133A rotates clockwise as viewed from the rear, the second disk 133B is viewed from the rear by the clockwise force applied to the second edge of the elongated hole 1339 from the protrusion 1335 of the first disk 133A. Rotate clockwise. When the second disk 133B rotates clockwise as viewed from the rear, the gear 124 having the third teeth 1242 that mesh with the teeth 1337 of the second disk 133B rotates counterclockwise as viewed from the rear. At this time, since there is no play in the rotation direction between the hooking portion 1253 of the lever 125 and the second end edges of the grooves 1263 and 1273 of the flanges 126 and 127, the gear 124, the lever 125, and the flanges 126 and 127 are integrated. Rotate counterclockwise. At this time, since the direction of the rotational force M1 from the elastic member 128 acting on the rotational member 122 is clockwise when viewed from the rear, the rotational member 122 rotates counterclockwise against the rotational force M1. .

  When the lever 125 rotates counterclockwise as viewed from the rear, the hooking portion 1253 is caught in the hooking groove 1211 of the dead bolt 121, and the dead bolt 121 is pushed out of the case 40 as the lever 125 rotates. At this time, until the rotating member 122 exceeds the reversing position (position shown in FIG. 13), the clockwise rotational force M1 acting on the rotating member 122 as viewed from the rear acts on the rotating member 122, but when the rotating member 122 exceeds the reversing position. The direction of the rotational force M1 is counterclockwise when viewed from the rear. Therefore, after the rotating member 122 exceeds the reverse position, the rotating member 122 rotates at a high speed counterclockwise when viewed from the rear by the rotational force M1 from the elastic member 128. At this time, the second disk 133B of the second gear 133 and the gear 124 of the rotating member 122 mesh with each other, and the second disk 133B rotates at a high speed clockwise as viewed from the rear as the rotating member 122 rotates. . At this time, the first disk 133A is rotated clockwise as viewed from the rear at a slower speed than the second disk 133B by the driving force from the drive motor 1311. Therefore, the protrusion 1335 of the first disk 133A relatively moves in the long hole 1339 of the second disk 133B.

  When the rotating member 122 reaches the locking position, the drive motor 1311 stops, and accordingly, the first gear 132, the second gear 133 (strictly, the first disk 133A), and the third gear 134 also stop. Thereafter, the arithmetic processing unit 151 outputs a control signal for rotating the drive motor 1311 in the first direction to the drive circuit 155 (or the drive circuit 156) in order to return the first disk 133A to the origin. The drive motor 1311 rotates in the first direction in accordance with the drive signal from the drive circuit 155 (or drive circuit 156), thereby causing the first disk 133A to return to the origin (see FIG. 12). When the rotating member 122 reaches the locking position, the flange 126 moves backward to a position where the second edge on the opposite side of the groove 1263 contacts the hooking portion 1253 by the elastic force from the return spring 130 (see FIG. 4). Rotates counterclockwise when viewed from the side.

  By the way, the long hole 1339 of the second disk 133B is formed such that the rotation angle α1 of the second disk 133B with respect to the first disk 133A is equal to or larger than the rotation angle of the rotating member 122 until reaching the unlocking position from the locking position. It is preferable that In this embodiment, since the rotation angle (θ1 + θ2) of the rotating member 122 is 90 degrees, the rotation angle α1 of the second disk 133B with respect to the first disk 133A may be 90 degrees or more. Thus, if the rotation angle α1 of the second disk 133B relative to the first disk 133A is equal to or larger than the rotation angle of the rotating member 122, the protrusion 1335 rotates by contacting the edge of the elongated hole 1339 during the unlocking operation. A situation in which the rotation operation of the member 122 is hindered can be made difficult to occur.

  Further, when the drive motor 1311 is driven by the power supplied from the battery as in the electric lock 11 of the present embodiment, the drive motor 1311 may stop during the unlocking operation or the locking operation. In other words, there is a possibility that the drive motor 1311 stops in a state where the rotating member 122 has not reached the unlocked position or the locked position, and in this state, the unlocking or locking cannot be performed. In this case, by turning the thumb turn from the inside of the door 10 or by inserting the key into the cylinder 4 from the outside of the door 10 and rotating the cylinder 4, the dead bolt 121 is brought into the locked position or the unlocked position. It is moved and unlocked or locked. In the present embodiment, since the worm gear 1312 and the first gear 132 are not self-locking as described above, the dead bolt 121 is locked or unlocked by rotating the thumb turn or the cylinder 4. It can be moved to the position. However, in this case, since a load for rotating the drive motor 1311 is also applied, it is necessary to apply a large force when the thumb turn or the cylinder 4 is rotated. Further, as described above, by rotating the thumb turn or the cylinder 4 until the rotating member 122 reaches the unlocking position or the locking position, the first disk 133A stopped at the midway position can be returned to the origin.

  By the way, after the rotating member 122 is rotated to the locked position or the unlocked position, when the thumb turn or the cylinder 4 is rotated, the protrusion 1335 of the first disk 133A is relatively moved in the elongated hole 1339 of the second disk 133B. Moving. As a result, only the second disk 133B rotates with respect to the first disk 133A. That is, the first disk 133A and the second disk 133B can be separated. As a result, no load is applied to rotate the drive motor 1311 when rotating the thumb turn or cylinder 4, so that locking or unlocking can be performed with a smaller force than when the thumb turn or cylinder 4 is rotated from a state where it has stopped in the middle position. can do.

  Hereinafter, modifications of the second embodiment will be described.

  In the second embodiment described above, the protrusion 1335 is provided on the first disk 133A that meshes with the fifth gear 136 on the drive motor 1311 side, and a long hole is formed in the second disk 133B that meshes with the gear 124 that forms a part of the rotating member 122. The case where 1339 is provided has been described. On the other hand, a protrusion may be provided in the second disk 133B, and a long hole may be provided in the first disk 133A. In other words, the second disk 133B may be a first disk having a protruding portion, and the first disk 133A may be a second disk having a long hole.

  Further, in the above-described second embodiment, the configuration of the modification of the first embodiment can be applied.

  As is clear from the embodiment described above, the electric lock 11 of the first aspect includes the rotating member 122, the second gear 133 (gear), and the elastic member 128. The rotating member 122 rotates between a locked position and an unlocked position. The locking position is a position where at least a part of the dead bolt 121 provided on the door 10 of the building protrudes from the door 10. The unlocking position is a position where the dead bolt 121 is accommodated in the door 10. The second gear 133 receives the driving force from the driving unit 131 and rotates between the first position and the second position to rotate the rotating member 122. The elastic member 128 is connected to the rotating member 122 and applies a rotational force to the rotating member 122. The electric lock 11 is configured such that the rotating member 122 moves from the locked position to the unlocked position when the second gear 133 moves from the first position to the second position. Further, in this electric lock 11, the rotational force M <b> 1 that holds the rotating member 122 in the locked position while the rotating member 122 is in the locked position acts on the rotating member 122, and the rotating member 122 moves from the locked position to the unlocked position. The direction of the rotational force M1 is reversed during the movement. The reverse position where the direction of the rotational force M1 is reversed is a position closer to the locking position than the intermediate position between the locking position and the unlocking position.

  According to the first aspect, in a state where the rotating member 122 is in the locked position, the rotational force M <b> 1 that holds the rotating member 122 in the locked position acts on the rotating member 122. And it is comprised so that the direction of rotational force M1 may reverse in the middle of the rotation member 122 moving from a locking position to an unlocking position. The reverse position where the direction of the rotational force M1 is reversed is a position closer to the locking position than the intermediate position between the locking position and the unlocking position. Thus, since the position closer to the locking position than the intermediate position between the locking position and the unlocking position is the reverse position, the rotational force M1 is at an earlier timing than when the reverse position is the intermediate position. The direction can be reversed, whereby the unlocking speed can be increased.

  In the electric lock 11 of the second aspect, in the first aspect, the rotating member 122 includes a lever 125 (first member) and a flange 126 (second member). The lever 125 has a hooking portion 1253 (contact portion) that comes into contact with the deadbolt 121 when moving from the locking position to the unlocking position, and the deadbolt 121 in the locked state is brought into the unlocked state via the hooking portion 1253. Move to a position. The flange 126 has a groove 1263 along the rotation direction, to which the elastic member 128 is connected. The flange 126 is configured to rotate with the rotation of the second gear 133. In the locked state, at least a part of the dead bolt 121 protrudes from the door 10. In the unlocked state, the dead bolt 121 is housed in the door 10. When the rotating member 122 is rotated from the locked position to the unlocked position, the hook 126 is configured to move relative to the groove 1263 by the flange 126 rotating with respect to the lever 125. Further, the lever 125 and the flange 126 are configured to rotate integrally after the hooking portion 1253 contacts the edge of the groove 1263.

  According to the second aspect, until the hooking portion 1253 of the lever 125 comes into contact with the end edge of the groove 1263 of the flange 126, a driving force for rotating only the flange 126 may be applied from the driving portion 131. The load of 131 can be reduced. However, this configuration is not an indispensable configuration of the electric lock 11, and the rotating member 122 may be composed of one component, for example.

  In the electric lock 11 of the third aspect, in the first or second aspect, the second gear 133 (gear) includes the first disk 133A and the second disk 133B. 133 A of 1st discs have the projection part 1335 which protrudes in the 2nd disc 133B side in the opposing surface with the 2nd disc 133B. The second disk 133B has a long hole 1339 that is formed along the circumferential direction of the second disk 133B and through which the protruding portion 1335 is movably inserted. The long hole 1339 is formed such that the rotation angle α1 is equal to or greater than the rotation angle (θ1 + θ2). The rotation angle α1 is the rotation angle of the first disk 133A relative to the second disk 133B when the protrusion 1335 moves from one end to the other end of the long hole 1339 in the circumferential direction of the second disk 133B. The rotation angle (θ1 + θ2) is a rotation angle when the rotating member 122 moves from the locked position to the unlocked position.

  According to the third aspect, the unlocking speed can be increased only by providing the first disk 133A constituting a part of the second gear 133 with the protruding portion 1335 and providing the second disk 133B with the elongated hole 1339. Can do. In other words, the unlocking speed can be increased with a simple configuration. Further, by setting the rotation angle α1 to be equal to or greater than the rotation angle (θ1 + θ2), the situation in which the rotation operation of the rotation member 122 is hindered by the protrusion 1335 coming into contact with the edge of the elongated hole 1339 during the unlocking operation hardly occurs. can do.

  The electric lock system 100 according to the fourth aspect includes the electric lock 11 according to any one of the first to third aspects, an authentication unit 1511, a handle 3 (operation unit), and a detection unit 153. ing. The authentication unit 1511 authenticates the person who opens and closes the door 10 of the building. The handle 3 is operated when opening and closing the door 10. The detection unit 153 detects the operation of the handle 3. The electric lock system 100 is configured to start authentication by the authentication unit 1511 or to lock or unlock the electric lock 11 when the detection unit 153 detects an operation of the handle 3.

  According to the fourth aspect, by using the electric lock 11 of any one of the first to third aspects, the electric lock system 100 capable of increasing the unlocking speed as compared with the conventional electric lock. Can be provided.

  In the fourth aspect, the electric lock system 100 of the fifth aspect includes two electric locks 11A and 11B. The electric lock system 100 is configured to drive the other of the two electric locks 11A and 11B by the drive unit 131 after a delay time has elapsed since one of the two electric locks 11A and 11B is driven by the drive unit 131. Has been.

  According to the fifth aspect, it is possible to use the power supply unit 157 having a smaller capacity than in the case where the two electric locks 11A and 11B are driven simultaneously. Furthermore, by using the above-described electric locks 11A and 11B, the peak time of the load current of the two drive units 131 can be shortened, and thereby the total unlocking until the two electric locks 11A and 11B are unlocked. Locking time can be shortened. However, this configuration is not an essential configuration of the electric lock system 100. For example, when the capacity of the power supply unit is sufficient, the two electric locks 11A and 11B may be driven simultaneously.

3 Handle (operation part)
10 door 11, 11A, 11B electric lock 100 electric lock system 121 dead bolt 122 rotating member 125 lever (first member)
126 Flange (second member)
128 Elastic Member 131 Drive 133 Second Gear (Gear)
133A 1st disk 133B 2nd disk 153 detection part 1253 hook part (contact part)
1263 Groove 1335 Protruding part 1339 Long hole 1511 Authentication part M1 Rotational force

Claims (5)

A rotating member that rotates between a locking position for projecting at least a part of a dead bolt provided on a door of a building from the door and an unlocking position for housing the dead bolt in the door;
A gear that rotates the rotating member by rotating between the first position and the second position in response to a driving force from the driving unit;
An elastic member that is coupled to the rotating member and causes a rotational force to act on the rotating member;
The rotating member is configured to move from the locked position to the unlocked position when the gear moves from the first position to the second position;
While the rotating member is in the locked position, the rotational force in a direction to hold the rotating member in the locked position acts on the rotating member, and the rotating member is moving from the locked position to the unlocked position. Is configured so that the direction of the rotational force is reversed,
The electric lock characterized in that the reversal position where the direction of the rotational force is reversed is a position closer to the locking position than an intermediate position between the locking position and the unlocking position. The rotating member is
A first contact portion that contacts the dead bolt when moving from the locked position to the unlocked position, and moves the dead bolt in the locked state to a position that is in the unlocked state via the contact portion. Members,
A second member having a groove along the rotation direction, to which the elastic member is coupled,
The second member is configured to rotate as the gear rotates.
In the locked state, at least a part of the dead bolt protrudes from the door,
In the unlocked state, the dead bolt is housed in the door,
When the rotating member rotates from the locked position to the unlocked position, the second member rotates relative to the first member, so that the contact portion moves relatively in the groove, The electric lock according to claim 1, wherein the first member and the second member rotate together after the contact portion comes into contact with the edge of the groove. The gear includes a first disk and a second disk,
The first disk has a protruding portion that protrudes toward the second disk on a surface facing the second disk.
The second disk is formed along a circumferential direction of the second disk, and has a long hole through which the protrusion is movably inserted.
The long hole has a rotation angle of the first disk with respect to the second disk when the projecting portion moves from one end of the long hole to the other end in the circumferential direction of the second disk, and the rotation member has the lock. The electric lock according to claim 1 or 2, wherein the electric lock is formed so as to be equal to or greater than a rotation angle of the rotating member when moving from a position to the unlocking position. The electric lock according to any one of claims 1 to 3,
An authentication unit that authenticates the person who opens and closes the door of the building;
An operation unit operated when opening and closing the door;
A detection unit that detects an operation of the operation unit,
When the detection unit detects an operation of the operation unit, authentication by the authentication unit is started, or the electric lock system is configured to lock or unlock the electric lock. Two electric locks,
5. The device according to claim 4, wherein the other of the two electric locks is driven by the driving unit after a delay time has elapsed since one of the two electric locks is driven by the driving unit. Electric lock system.

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