JP2005213781A - Locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device lockable regardless of dimensional deviation and the size of a clearance due to the looseness and aging effect of an opening/closing part and an opening, capable of determining whether locking is performed normally and whether the door is closed, and lockable only when the opening/closing part and the opening are closed. <P>SOLUTION: This locking device 3 is provided with a base 6 provided at a sash door 1R; a dead bolt 8 capable of going in and out of an opening/closing operation region of the sash doors 1L, 1R; a drive mechanism 10; and a restraining member 5 provided on the other side of the sash door 1L and receiving the dead bolt 8 projected by the drive mechanism 10 to regulate opening of the sash doors 1L, 1R. The drive mechanism 10 is provided with a helical spring 34 for further energizing the dead bolt 8 to the restraining member 5 side when the dead bolt 8 abuts on the restraining member 5. Further, a first projecting part 12A, a second projecting part 12B, contacts 13, 14 and conductive projections 28A, 28B are provided for detecting whether the dead bolt 8 appropriately closes the opening 2D. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention includes housing / office openings (doors, windows, shelf doors), office storage equipment (lockers, desks, shelves, storage boxes, door storage, safes, etc.), industrial equipment (vending machines, The present invention relates to a locking device provided on a door, door portion, etc. of an electric control board, a switchboard, a machine tool, or the like.

Conventionally, a locking device described in Patent Document 1 is known as a locking device. The locking device according to this publicly known document is easy to install and can be retrofitted to an existing lock, detects the opening of the window, the state of locking, and avoids system malfunction due to the human body blocking the detection signal. The purpose is to remove anxiety. This locking device is provided on one window frame body of two windows that are slid left and right to be opened and closed. The magnet is bonded to an operation piece of a rotary lock claw that locks and unlocks the window; It is installed on the side edge of the other window frame of the single window in correspondence with the magnet, and it can be applied and unlocked at the correct closed position of the window by changing the rotation position of the operation piece of the rotary lock claw. A wireless transmitter incorporating a magnetically actuated proximity sensor unit for detection is provided.
JP-A-6-309572

  However, the locking device according to this known document only detects locking / unlocking, and the locking itself is manually performed by a human and cannot be remotely operated.

  As an electric lock that is locked by remote control, the dead bolt is often moved in the axial direction by a solenoid and inserted into the receiving hole or cylindrical part of the receiving bracket. The locking mechanism itself could not be judged.

  Further, for example, when the gap between the window sashes is widened due to secular change or the like, the conventional electric lock or the manual lock is in a state where the dead bolt has come out or is contained. For this reason, if you want to deal with the shakiness between the sashes, you need to make room for the depth of the holes in the receiving holes, and it is possible to deal with sashes for windows where there are few gaps and the thickness of the installation part itself is small. There was a problem that was difficult.

  The present invention has been made paying attention to such a problem, and can cope with doors, doors, drawers, etc. of various sizes, and has a dimensional shift or gap due to shakiness of the opening / closing portion and the opening or change with time. Regardless of the size of the door, it can be locked, the installation space is small, the retrofit is easy, it can be determined whether the door is normally locked, and whether the door or door is closed. An object of the present invention is to provide a locking device that locks only when it is closed and that is low in power.

  In order to solve the above-described problem, the first locking device of the present invention is a dead bolt that restrains the opening / closing member to the opening when the opening / closing member for opening / closing the opening is in a state of closing the opening. A locking device main body provided in one of the opening or the opening / closing member, and the opening or the opening or the opening / closing member so as to restrain the dead bolt when the opening / closing member is in a state of closing the opening. A locking member provided on either one of the opening and closing members, and when the dead bolt comes into contact with the binding member, the dead bolt is further biased toward the binding member And an appropriate closing detection means for detecting whether or not the opening / closing member properly closes the opening.

  A second locking device of the present application includes a locking device main body provided with a dead bolt, and a restraining member that restrains the dead bolt, and includes an opening or one or more opening / closing members that open and close the opening. Any one of the one or more opening / closing members or the opening other than the part where the locking device main body is provided so that the locking device main body is provided and the closed state of the opening / closing member is maintained when the opening is closed. The locking device is provided with the restraint member to restrict the opening and closing of the opening and closing device in the closed state of the opening, and when the deadbolt comes into contact with the restraint member, the deadbolt is further It is characterized by comprising urging means for urging the restraining member side and proper closing detecting means for detecting whether or not the opening / closing member properly closes the opening.

  According to a third locking device of the present application, in any one of the first and second locking devices, a control device that controls a drive source of a drive mechanism that drives the dead bolt, and the dead bolt is in contact with the restraining member Locking control means for detecting this and transmitting to the control device, the control device for a predetermined time after the dead bolt has moved toward the restraint member and the locking detection means has detected locking. The dead bolt is pressed against the restraining member to have a function of accumulating an urging force in the urging means.

  According to a fourth locking device of the present application, in the third locking device, the proper closing detection unit is configured by the locking detection unit, and the locking detection unit is configured such that when the dead bolt projects beyond a predetermined amount, The opening / closing member detects that the opening is not properly closed.

  According to a fifth locking device of the present application, in any one of the third and fourth locking devices, an error detection unit that detects whether the position where the dead bolt is in contact with the restraining member and transmits it to the control device is provided. The control device, when the locking detection means detects locking and the error detection means detects proper contact, presses the dead bolt against the restraining member for a predetermined time and applies it to the biasing means. It has a function of accumulating power.

  A sixth locking device of the present application is the locking device according to any one of the third and fourth locking devices, wherein the restraining member contacts the dead bolt when the dead bolt protrudes into a moving region when the opening / closing member is closed. The dead bolt has a contact that moves together with the dead bolt, and a first protrusion for making contact with the restraining member and a first protrusion for making contact with the locking protrusion. A first contact that outputs a signal when the first protrusion contacts the restraining member, and the second protrusion contacts the locking protrusion. A second contact that outputs a signal when the first protrusion and the first contact constitute the error detection means, and the lock detection means comprises the second protrusion and the second contact. Specially configured To.

  In a seventh locking device of the present application, in any one of the first to sixth locking devices, the urging means is provided at a portion connecting the dead bolt and the driving mechanism, and the driving mechanism is The dead bolt is moved to the restraining member, and is configured by a spring capable of accumulating a driving force against a resistance force when the dead bolt comes into contact with the restraining member.

  According to the locking device of claims 1 to 7 of the present application, when the dead bolt locks the opening / closing device with the restraining member, the biasing force is applied corresponding to the distance between the closed opening / closing devices. Since the member advances and retracts the deadbolt, it is prevented that the member is forcibly unlocked. In addition, when a door or window is open, even when the dead bolt is in a swinging state where it does not hit the restraining member or the door or window, this is detected to detect that the door or window is open, and a warning. can do.

  In addition, according to the locking device of the second aspect, the suitability of locking can be detected by the locking detecting means.

  Further, according to the locking device of the third aspect, a locking error can also be detected.

  According to the locking device of the fourth aspect, the dead bolt includes the locking detection means and the error detection means, and it is possible to accurately and easily detect the appropriateness of the locking with the movement of the dead bolt.

  According to the locking device of the fifth aspect, the propriety of the locking can be detected, and the drive mechanism for driving the dead bolt can be made simple, and the durability can be improved and the cost can be reduced.

  Hereinafter, a locking device according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a plan view showing the main configuration of the locking device according to this embodiment. FIG. 2 is a side view of the locking device, and FIG. 3 is a perspective view of the locking device applied to the sash door.

  In the present embodiment, as an example of an opening / closing device in which at least one is a door and the other is either a door or a doorway, the sliding sash doors 1L and 1R shown in FIG. It is also possible to apply a locking device to hinge doors, showcase doors, locker doors, desk drawers, and the like.

  In FIG. 3, the open / close operation area of the sliding sash doors 1L and 1R is the longitudinal direction of the rail 2A of the window opening 2 and the sliding direction of the sash doors 1L and 1R. Of course, in the case of a hinge door, it is the direction of rotation of the hinge door. The sash doors 1L and 1R are provided with a crescent lock (not shown), and the locking device 3 is an auxiliary lock for the crescent lock.

  The locking device 3 includes a locking device body 4 and a restraining member 5. Furthermore, as shown in FIGS. 1 and 2, the locking device main body 4 includes a substrate 6, a first support plate portion 7, a dead bolt 8, and a drive mechanism 10.

  The board 6 is provided with mounting holes 6A at both upper and lower ends for being screwed to the vertical flange 1A of the sash door 1R. The mounting hole 6A is a long hole extending in the cross-sectional direction of the vertical flange 1A for adjusting the horizontal position of the substrate 6, and the inclination state can be adjusted.

  A first support plate portion 7 is attached to the substrate 6 with bolts 7B. The first support plate portion 7 holds the dead bolt 8 slidably, and a pair of opposing vertical plate portions 7A and a bottom plate portion form a U-shaped cross-sectional shape of the first support plate portion 7. ing. A pair of opposing vertical plate portions 7A of the first support plate portion 7 includes an opening 8A that holds the dead bolt 8 so as to be slidable. The opening 8A has a shape capable of sliding a second protrusion 12B described later.

  As shown in FIG. 7, the restraining member 5 is attached to the glass G of the sash door 1 by a known means such as a double-sided adhesive tape or a screw, and includes a locking projection 5B for restricting the movement of the flat plate portion 5A and the dead bolt 8. Have. The locking projection 5B protrudes in a substantially L shape at the end of the flat plate portion 5A. The locking projection 5B of the restraining member 5 determines that the sash doors 1L and 1R are locked when the dead bolt 8 contacts the locking projection 5B and the corner portion of the flat plate portion 5A.

  The dead bolt 8 can be moved in and out of an opening / closing operation area which is a sliding area of the sash doors 1L and 1R, and abuts against the flat plate portion 5A in the vicinity of the locking projection 5B of the restraining member 5 to lock the pair of sash doors 1L and 1R. .

  The dead bolt 8 is made of a metal (for example, a steel plate) having a groove-like cross-sectional shape, and holds a holder case 11 and a contact 12 moving together with the dead bolt 8 inside the groove, as shown in FIG. Yes. A metal holder case 11 having a U-shaped cross section is mounted in the groove of the dead bolt 8, and a contact 12 is held in the holder case 11 so as to be slidable in the longitudinal direction of the holder case 11. A groove 8B that allows the holder case 11 to slide is formed at the end of the dead bolt 8 (see FIG. 6).

  4 and 5 show the contact 12. The contact 12 is made of plastic in this embodiment, and the contact 12 has a first projection 12A for contacting the flat plate portion 5A of the restraining member 5 and a second projection for contacting the locking projection 5B. A protrusion 12B is formed. The contact 12 also includes a first contact 13 that outputs a signal when the first protrusion 12A contacts the restraining member 5 or the glass G, and a signal when the second protrusion 12B contacts the locking protrusion 5B. And a second contact 14 for outputting.

  The error detection means includes the first protrusion 12A, the first contact 13, and a conductive protrusion 28A described later. The locking detection means includes the second protrusion 12B, the second contact 14, and a conduction protrusion 28B described later.

  A coil spring 19 is compressed and disposed between the concave portion 17 of the contact 12 and the upright plate portion 18 of the bottom portion 11 </ b> A of the holder case 11. The contact 12 is biased by a coil spring 19 so as to protrude toward the sash door 1 side.

  A stopper 20 is formed at the tip of the contact 12, and the stopper 20 can move within the opening 21 of the holder case 11. An upright plate portion 22 is formed at the inner edge of the opening 21, and the upright plate portion 22 can regulate the return of the stopper 20.

  An end of the contact 12 on the sash door 1 side is a first protrusion 12A, and a second protrusion 12B protrudes from a corner of the first protrusion 12A. The second protruding portion 12B protrudes from the upper surface portion 12C of the contact 12. The second projecting portion 12B can pass through the opening 8A of the first support plate portion 7 as described above.

  The distance between the first protrusion 12A and the second protrusion 12B is set to such a depth that the first protrusion 12A can be embedded in the holder case 11 when the second protrusion 12B is pressed by the locking protrusion 5B. ing.

  That is, when the second projection 12B is pushed by the locking projection 5B, it is possible to detect that the dead bolt 8 is positioned at the corner of the locking projection 5B and the flat plate portion 5A and is properly locked.

  Even if the dead bolt 8 advances to the sash door 1L side, an error occurs if the first projecting portion 12A does not hit the sash door 1L or hits the glass G or the flat plate portion 5A.

  Whether or not the sash doors 1L and 1R (sliding opening and closing members) properly close the opening 2 is detected by an error detection means, a lock detection means, and a lock detection program of the microcomputer 24 described later. The lock detection means and the lock detection program of the microcomputer 24 constitute a proper closing detection means.

  Specifically, as shown in FIG. 8, when the locking detection program of the microcomputer 24 starts normal rotation of the motor M in response to the locking command, the home position sensor HP is turned off with a slight delay. The elapsed time from when the home position sensor HP is turned off is counted. The elapsed time from when the home position sensor HP is turned off is the time required for the dead bolt 8 to advance forward, and a predetermined time is determined as the appropriate closing time. If neither the error detection means nor the locking detection means is turned on within the time, it is determined that the deadbolt 8 is swung. This makes it possible to determine that the hinge door or hinge window is open, particularly in the case of a hinge door or hinge window.

  The first contact 13 and the second contact 14 are provided on the side surface of the contact 12. The first contact 13 and the second contact 14 are connected to a microcomputer 24 as a control device via lead wires 23A and 23B. The first contact 13 and the second contact 14 are attached to flexible tongues 26 </ b> A and 26 </ b> B that are axially fixed inside recesses 25 </ b> A and 25 </ b> B provided on the side surfaces of the contact 12.

  A coil spring 27 is disposed between the free ends of the flexible tongues 26A and 26B. The free ends of the flexible tongues 26 </ b> A and 26 </ b> B are biased toward the side wall 11 </ b> B of the holder case 11. The conduction contacts 22A and 22B are located slightly inside the side surface of the contact 12, and are normally held so as not to conduct with the holder case 11.

  On the side wall portion 11B of the holder case 11, conductive protrusions 28A and 28B protrude toward the inside of the U-shaped cross section. Depending on the sliding position of the contact 12, the conduction protrusions 28 </ b> A and 28 </ b> B are brought into contact with one or both of the first contact 13 and the second contact 14 to be conducted.

  The conductive protrusions 28A and 28B are formed at a distance in the longitudinal direction of the holder case 11 so that the locking detection means is turned on after a predetermined time after the error detection means is turned on. A protrusion amount of the first protrusion 12A and a step distance from the first protrusion 12A to the second protrusion 12B are opened.

  That is, as shown in FIG. 7A, when no dead bolt 8 is hit, the first protrusion 12A protrudes from the end of the holder case 11, and at this time, the conduction protrusion 28A is the first contact. 13 is not touching.

  As shown in FIG. 7B, when the dead bolt 8 hits the restraining member 5 and the second protrusion 12B of the contact 12 does not hit the locking protrusion 5B, the first protrusion 12A moves back into the holder case 11. The conductive protrusion 28 </ b> A is brought into contact with the first contact 13.

  As shown in FIG. 7C, when the dead bolt 8 hits the restraining member 5 and the second protrusion 12B of the contactor 12 hits the locking protrusion 5B, the first protrusion 12A is the inner part of the holder case 11. The conductive protrusion 28A is brought into contact with the first contact 13 and the conductive protrusion 28B is brought into contact with the second contact 14.

  As shown in FIG. 7D, when the dead bolt 8 hits the glass G or the flat plate portion 5 </ b> A of the restraining member 5, the first protrusion 12 </ b> A moves backward to the same position as the end portion of the holder case 11. At this time, the conductive protrusion 28 </ b> A is brought into contact with the first contact 13.

  Further, as shown in FIG. 7 (e), when the outer frame 1E of the outdoor window passes through the indoor window ridge 1A, the dead bolt 8 is in an idle state where nothing hits even if it protrudes. . At this time, the first protrusion 12 </ b> A remains protruding from the end of the holder case 11, and the conductive protrusion 28 </ b> A does not come into contact with the first contact 13 even if a predetermined time elapses after the start of protrusion of the dead bolt 8. Accordingly, it can be detected that the dead bolt 8 is swung and the sash doors 1L and 1R are completely opened.

  The ground contact positions of the conduction protrusions 28A and 28B are determined in order to form the above-described time shift for conduction.

  The holder case 11 can be electrically connected to the dead bolt 8 and is grounded. The microcomputer 24 is supplied with driving power from a battery power source (not shown), and can detect a conduction state by contact between the first contact 13 and the second contact 14 and the conduction protrusions 28A and 28B.

  The microcomputer 24 determines whether the contact 12 is in contact with the first projecting portion 12A or the second projecting portion 12A based on the voltages H and L of the first contact 13 and the second contact 14. It is an error if the first protrusion 12A does not hit the restraining member 5, and an error also occurs when the first protrusion 12A hits the glass G or the flat plate part 5A of the sash door 1.

  Further, for example, when the restraint member 5 is provided only with a hole through which the first projecting portion 12A and the dead bolt 8 can enter, the second projecting portion 12B is formed even though the first projecting portion 12A is not in contact with anything. Is in a state of hitting the locking projection 5B. In this case, when the dead bolt 8 and the first projecting portion 12A enter the hole portion and the second projecting portion 12B comes into contact with the edge of the hole, the first contact 13 is first energized, and the dead bolt 8 is further at the tip of the hole. In order to proceed, the second contact 14 is also energized, a time difference between energization of the first contact 13 and the second contact 14 occurs, and the logical product of the microcomputer 24 is also determined as normal locking.

When the second projection 12B hits the locking projection 5B after the first projection 12A hits the flat plate portion 5A, the microcomputer 24 determines that the locking is normally performed.
[Drive mechanism]
The drive mechanism 10 pushes out the dead bolt 8 so as to protrude into the opening / closing operation region where the sash doors 1L and 1R slide, and serves as a motor 30, a gear mechanism, a link lever 32, and an urging means as a drive source. The string spring 34 is provided.

  The motor 30 is a DC motor and is attached to a base 31 fixed to the surface of the substrate 6. The base 31 is fixed to the substrate 6 with, for example, an adhesive or a bolt. The base 31 has support plate portions 35A and 35B for supporting the gear mechanism. A shaft 36 is fixed to the support plate portion 35A. A gear 37 is held on the shaft 36 by a rotating material. The gear 37 is formed by integrally forming a small-diameter gear 37A and a large-diameter gear 37B in two stages, and a gear 38 attached to the output shaft of the motor 30 meshes with the large-diameter gear.

  A shaft 39 is rotatably attached between the support plate portions 35A and 35B. A gear 40 is fixed to an end portion of the shaft 39, and a worm gear 41 is fixed to an intermediate portion of the shaft 39. 39A and 39B are rings for preventing the axial displacement of the shaft 39, and 41A and 41B are rings for preventing the axial displacement of the worm gear 41.

  A gear 42 for driving the link lever 32 is engaged with the worm gear 41. The gear 42 is rotatably supported on the fixed shaft 43. A step portion 43 </ b> A is formed at the base portion of the fixed shaft 43, and the step portion 43 </ b> A contacts the base 31. A bolt (not shown) is screwed into the center of the base portion of the fixed shaft 43, and the fixed shaft 43 is fixed to the base 31.

  A fixed shaft 43 is passed through a ring 44 </ b> A formed integrally with the link lever 32, and the ring 44 is rotatable with respect to the fixed shaft 43. A string-wound spring 34 is disposed on the link lever 32. The string spring 34 is passed through the fixed shaft 43 and is rotatable around the fixed shaft 43. One end of the string spring 34 is hooked in a hole 32A on one end of the link lever 32, and the other end of the string spring 34 is on a protrusion 44C of a spacer portion 44B formed on the back surface of the gear 42. It is hung.

  The string spring 34 is provided at a portion that transmits the movement of the drive mechanism 10 to the dead bolt 8. The drive mechanism 10 moves the dead bolt 8 toward the restraint member 5, and the dead bolt 8 contacts the restraint member 5. In this case, the driving force can be accumulated against the resistance force, and the dead bolt 8 is further urged and pressed against the restraining member 5 side to eliminate the gap expansion of the sash doors 1L and 1R. Even when the space between the dead bolt 8 and the restraining member 5 becomes narrow, the portion narrowed by the urging force is absorbed. In this way, even if the gap is large or small, it can be dealt with by the urging force of the urging means.

  The biasing means is constituted by the string spring 34, but may be other means, for example, an elastic body such as a coil spring, a leaf spring, or rubber.

  The spacer portion 44 </ b> B is integrally fixed to the gear 42, and the string winding spring 34 is rotated with the rotation of the gear 42. The rotation of the string spring 34 is transmitted to the link lever 32, and the link lever 32 pushes out the dead bolt 8.

  A shaft 32B is provided at one end of the link lever 32 so as to protrude, and this shaft 32B is movably fitted into the long hole 8B of the dead bolt 8. The other end of the link lever 32 is formed with a stopper portion 32C that protrudes toward the base 31 side. The stopper 32C presses the contact piece HP1 of the home position sensor HP to turn on the home position sensor HP. The base 31 is provided with a stopper portion 45 that supports the link lever 32 when the stopper portion 32C hits the home position sensor HP. The home position sensor HP is connected to the microcomputer 24 via a lead wire (not shown).

  A control device that controls a motor 30 that is a drive source of the drive mechanism 10 includes a microcomputer 24 disposed on a base 31. When the second projection 12B hits the locking projection 5B after the first projection 12A hits the flat plate portion 5A after the dead bolt 8 moves toward the restraining member 5, the microcomputer 24 Judge that it was locked normally.

  The microcomputer 24 has a function of pressing the dead bolt 8 against the restraining member 5 for a predetermined time and storing the biasing force in the string spring 34 as a biasing means after the second projection 12B hits the locking projection 5B and detects the locking. Have.

The peripheral circuit of the microcomputer 24 is provided with a wireless communicator, and the lock command signal is received by a wireless communicator from a central locking device (not shown) provided in the building so as to perform locking. It has become.
[Operation]
Next, a series of operations for locking will be described with reference to the timing chart of FIG. This timing chart shows the state when it is normally locked.

  First, when a locking command is received from the centralized locking device of the building, the motor 30 rotates forward to rotate the worm gear 41 via the gears 38, 37B, 37A, 40, and rotate the gear 42. The string spring 34 is rotated by the rotation of the gear 42 so that the link lever 32 is separated from the home position, and the home position sensor HP is turned off after a little time.

  When the forward rotation of the motor 30 is continued, the link lever 32 pushes the dead bolt 8 toward the restraining member 5 side.

  Even if the dead bolt 8 advances to the sash door 1L side, an error occurs if the first projecting portion 12A does not hit the sash door 1L or hits the glass G or the flat plate portion 5A.

  As shown in FIG. 8, the microcomputer 24 counts the elapsed time from when the home position sensor HP is turned off. A predetermined time is set as an appropriate closing time for the time required for the dead bolt 8 to advance forward as the elapsed time from when the home position sensor HP is turned off. If neither the error detection means nor the locking detection means is turned on within this proper closing time, it is determined that the dead bolt 8 is swung, and it can be determined that the sash doors 1L, 1R are completely open. In the case of a hinge door or hinge window, it can be determined that the door is open even if the hinge door or hinge window is slightly open.

  When the first projecting portion 12A of the dead bolt 8 hits the flat plate portion 5A of the restraining member 5, the conducting projection 28A comes into contact with the first contact 13 constituting the error detecting means, and the first contact 13 and the conducting projection 28A are conducted. To do. After a predetermined time (a time difference resulting from the height at which the metal fitting 5 protrudes from the glass G) elapses from the time when the first contact 13 and the conductive protrusion 28A are conducted, the conductive protrusion is connected to the second contact 14 constituting the locking detection means. 28B contacts and the 2nd contact 14 and the conduction | electrical_connection protrusion 28B conduct | electrically_connect.

  After a lapse of a predetermined time after the logical product of the conduction (H) between the first contact 13 and the conduction protrusion 28A and the conduction (H) between the second contact 14 and the conduction protrusion 28B becomes (H). The power supply to the first contact 13 and the conductive protrusion 28A and the power supply to the second contact 14 and the conductive protrusion 28B are stopped. Further, after the logical product of the continuity (H) between the first contact 13 and the conductive protrusion 28A and the continuity (H) between the second contact 14 and the conductive protrusion 28B becomes (H), a predetermined time (a string spring) 34) The motor 30 is rotated in the normal direction.

  When the pushing force of the dead bolt 8 is sufficiently accumulated in the string spring 34, the motor 30 is stopped. Thereby, the locked state is maintained.

  When the unlocking command is output from the above-described central locking device, the motor 30 is rotated in the reverse direction, the home position sensor HP is turned on (H), and the home position sensor HP is turned on for a while until a stable stable state is reached. Then, the motor 30 is stopped.

In the case of an error, the second contact 14 and the conductive protrusion 28B are not in contact with the first contact 13 and the conductive protrusion 28A constituting the error detection means, or even if the first contact 13 and the conductive protrusion 28A are in contact with each other. Will not touch. In the case of this error, the wireless communication device transmits an error message to the central locking device, and the central locking device outputs the error by sound, radio, and display device.
[effect]
The above-described locking device includes a board 6 provided in the sash door 1R, a dead bolt 8 that is provided on the board 6 and that can enter and exit the opening / closing operation area of the sash doors 1L and 1R, and is provided on the board 6 and includes the dead bolt 8 The drive mechanism 10 for pushing out the sash doors 1L, 1R to project into the opening / closing operation region, and the dead bolts 8 provided on the other side of the sash door 1L and protruding by the drive mechanism 10 receive the sash doors 1L, 1R. In the locking device 3 provided with the restraining member 5 that regulates the movement, the string spring 34 that further biases the dead bolt 8 toward the restraining member 5 when the dead bolt 8 comes into contact with the restraining member 5 by the drive mechanism 10. When the dead bolt 8 abuts against the restraining member 5 and locks the sash doors 1L and 1R, even if the closed sash doors 1L and 1R are about to be separated from each other, the coiled spring Since 4 (urging member) pushes the deadbolt 8 in restraining member 5 side, it is possible to prevent the forced would be unlocked.

  Further, even when the space between the sash doors 1L and 1R becomes narrow for some reason, it is possible to absorb the narrowed portion due to the biasing force of the biasing means.

  Furthermore, after the home position sensor HP is turned off, the time required for the dead bolt 8 to advance forward is determined as a proper closing time, and the error detection means is also included within this proper closing time. When the lock detection means is not turned on, it can be determined that the dead bolt 8 is swung, so that it can be determined that the hinge door or the hinge window is open particularly in the case of a hinge door or a hinge window.

  Moreover, the locking device 4 can detect the propriety of locking by the locking detection means. Moreover, the locking error can also be detected by the error detection means. Thus, since the deadbolt 8 is provided with the locking detection means and the error detection means, it is possible to accurately and easily detect the appropriateness of locking with the movement of the deadbolt 8. Furthermore, it is possible to detect the propriety of locking and to make the drive mechanism 10 for driving the dead bolt 8 simple, thereby improving the durability and reducing the cost.

Other examples

  FIG. 9 shows the locking device 3 according to another embodiment, which is attached to the indoor side of the opening 2D of the window (or entrance of the entrance), and the restraining member 5 serving as a receiving bracket for the dead bolt 8 is attached to the hinge window W. The state attached to the edge of is shown. The hinge window W of FIGS. 9 and 10 is opened toward the outdoor side, and rotates in the direction of arrow A that is orthogonal to the plane of the hinge window W. FIG. 9 shows the position of the hinge window W when the opening 2D is properly closed, and FIG. 10 shows the position of the hinge window W when the opening 2D is open.

  As shown in FIG. 9, when the hinge window W is properly closed, the restraining member 5 is positioned at a position opposite to the dead bolt 8 of the locking device 3, so that as shown in FIG. When the device 3 projects the dead bolt 8 toward the restraining member 5, it is detected that the projection 12 of the dead bolt 8 hits the locking projection 5B and is properly locked.

  On the other hand, as shown in FIG. 10, when the hinge window W is in the open state, the first protrusion 12A of the dead bolt 8 protrudes into the space to the protrusion limit, and the protrusion state is a predetermined time from the start of protrusion of the dead bolt 8. Since it continues as described above, the locking device 3 detects that the dead bolt 8 is swung.

  9 and 10, the opening 2D is opened by turning the hinge window W outward, but the opening 2D is opened by turning the hinge window W indoors. Also good. In that case, when the hinge window W is open, the dead bolt 8 of the locking device body 4 may contact the flat plate portion 5A of the restraining member 5 or the edge portion WE of the hinge window W. When contacting the edge WE of W, the first protrusion 12A is at the same height as the tip of the dead bolt 8, as shown in FIG. Alternatively, it can be detected that the edge portion WE of the hinge window W is in contact. When the hinge window W is in a position rotated until the hinge window W moves away from the projecting region of the dead bolt 8, the first projecting portion 12A of the dead bolt 8 projects into the space to the projecting limit, and this state continues for a predetermined time or more from the start of projecting. The locking device body 4 detects that the dead bolt 8 has been swung.

  FIG. 11 shows a case where the restraining member 50 having the keyhole 51 is fixed to the opening 2D of the hinge window W, and the locking device main body 56 is fixed to the flange W1 of the hinge window W in still another embodiment. FIG. 12 shows a case where the locking device main body 56 is fixed to the flange portion W1 of the hinge window W and the restraining member 50 having the keyhole 51 is fixed to the opening 2D of the hinge window W.

  If the hinged window 53 is rotated outward when the hinged window 53 is opened with the deadbolt 53 protruding, the deadbolt 53 will contact the hinged window W against the opening 2D. This is suitable when the hinge window W is opened by turning.

  The locking device 52 shown in FIGS. 11 and 12 includes a locking device main body 56 and a restraining member 50. Unlike the locking device 3 described above, the locking device main body 56 includes a cylindrical steel plate portion 54 and a sensor portion 55 made of plastic or the like. An opening 57 for entering and exiting the dead bolt 53 is formed in the locking device main body 56 that holds the dead bolt 53. A sensor portion 55 is held inside the steel plate portion 54 so as to be movable by a predetermined amount in the axial direction of the steel plate portion 54.

  Whether or not the sash doors 1L and 1R (sliding opening and closing members) properly close the opening 2 is detected by the error detection means and the lock detection means by the lock detection program of the microcomputer 24 already described. The

  The error detection means for detecting that the dead bolt 53 is in contact with the restraining member 51 includes the first protrusion 55A, the terminals 59A, 59B, 60A, 60B, and the lock detection program of the microcomputer 24.

  The error detection means for detecting that the dead bolt 53 is not hitting the restraining member 51 includes a first projecting portion 55A, terminals 59A and 59B, terminals 60A and 60B, and a predetermined time from the projecting start timing of the dead bolt 53. The microcomputer 24 that measures the progress of the program and its locking detection program.

  The locking detection means includes the second projecting portion 55B, terminals 59A, 59B, 59C, 60A, 60B, 60C and a locking detection program of the microcomputer 24.

  The proper closing detection means includes the first projecting portion 55A, the terminals 59A and 59B, the terminals 60A and 60B, and the microcomputer 24 that measures the elapse of a predetermined time from the projecting start time of the dead bolt 53 and its locking detection program.

  First projecting portions 55 </ b> A are formed on the upper and lower edges of the sensor portion 55. The first protrusion 55 </ b> A has a function of detecting that the dead bolt 53 is not inserted into the key hole 51 by hitting the dead bolt 53 and the edge of the key hole 51 of the restraining member 50.

  Second projecting portions 55B are formed on the left and right side surfaces of the sensor portion 55 slightly on the far side from the tip portion. The second projecting portion 55B has a function of detecting that the dead bolt 53 is properly inserted into the keyhole 51 and a function of detecting an “missing” state where nothing hits even if the dead bolt 53 protrudes.

  A groove 54A into which the first projecting portion 55A of the sensor portion 55 can enter is formed at the upper and lower edges of the tip of the dead bolt 53, and the second side of the sensor portion 55 is formed on the left and right side wall portions of the dead bolt 53. A groove 54B into which the protruding portion 55B can enter is formed.

  A groove 57A through which the second projecting portion 55B can enter and exit is formed at the edge of the opening 57 of the locking device main body 56.

  As shown in FIG. 14A, an insulating plate 58 is installed between the inner surface of the steel plate portion 54 of the dead bolt 53 and the sensor portion 55, and the insulating plate 58 is connected to the steel plate portion 54 and the sensor portion 55. Is insulated. On the insulating plate 58, terminals 59A, 59B, 59C are installed.

  As shown in FIG. 14A, a comb-shaped contact 60 is attached to the sensor unit 55 side. The terminal 59B is formed to be the longest of the three so that it can be connected to the power supply unit to supply power, and the terminal 59B is formed longer than the terminal 59C. The contact 60 includes terminals 60A, 60B, and 60C that can contact the terminals 59A, 59B, and 59C.

  The terminals 59B and 60B are always connected. The terminal 59A is provided so as to be in contact with the terminal 60A when the first protrusion 55A hits the edge of the key hole 51 of the restraining member 50. The terminal 59C is provided so as to be in contact with the terminal 60C when the second protrusion 55B hits the edge of the key hole 51 of the restraining member 50.

  A drive mechanism and a control device for moving the dead bolt 53 of the locking device main body 56 in and out toward the restraining member 50 and a control device for judging whether or not the dead bolt 53 has been inserted into the restraining member 50 are shown in FIGS. Since it is the same, the description is used.

  That is, when the hinge window W is opened to the indoor side as shown in FIGS. 11 and 12, when the hinge window W is slightly opened, even if the dead bolt 53 of the locking device 52 is protruded, FIG. As shown in b), the dead bolt 53 sometimes hits the key hole 51 of the restraining member 50. In this case, the front end of the sensor portion 55 and the front end of the steel plate portion 54 are flush with each other so that the terminal 60B and the terminal 59B are in contact and conduction, and the terminal 60A and the terminal 59A are in contact and conduction. As a result, the output terminal C1 side of the terminal 59A is turned “ON”.

  Further, as shown in FIG. 14C, when properly inserted into the key hole 51 of the restraining member 50, the sensor portion 55 is inserted in a state where the tip portion slightly protrudes from the tip portion of the steel plate portion 54. However, due to the insertion of the dead bolt 53, the second protrusion 55B eventually hits the edge of the keyhole 51. For this reason, the sensor 55 is drawn into the back side of the steel plate part 54 from the state of FIG. 14A, and is in the state shown in FIGS. 14C and 14D. Thereby, the terminal 60B and the terminal 59B are brought into contact and conduction, and the terminal 60A and the terminal 59A, and the terminal 60C and the terminal 59C are brought into contact and conduction. As a result, the output terminal C1 side of the terminal 59A is “ON” and the output terminal C2 side of the terminal 59C is also “ON”.

  Whether the output terminals C1 and C2 are “ON” or “OFF” can detect whether the dead bolt 53 is locked or unsuccessful.

  In addition, when the hinge window W is separated from the entrance / exit region of the dead bolt 53 and the projecting tip of the dead bolt 53 is only a space, if the dead bolt 53 is projected to the hinge window W side, the dead bolt 53 reaches the projection limit. Although protruding, the positional relationship between the sensor 55 and the steel plate portion 54 remains unchanged as shown in FIG. Therefore, both the output terminals C1 and C2 remain “OFF”. Therefore, it can be determined that the hinge window W is open when both of the output terminals C1 and C2 remain “OFF” after a predetermined time has elapsed since the start of the protrusion of the dead bolt 53.

  Locking devices according to the present invention include housing / office openings (doors, windows, shelf doors), office storage equipment (lockers, desks, shelves, storage boxes, door storage, safes, etc.), industrial equipment ( Doors, doors, etc. of vending machines, electrical control boards, switchboards, machine tools, etc.), when dead bolts lock the switchgear with the restraining member between the switchgears that are closed Since the urging member advances and retracts the dead bolt in accordance with the size of the distance, it is prevented that the door is forcibly unlocked. In addition, when a door or window is open, even when the dead bolt is in a swinging state where it does not hit the restraining member or the door or window, this is detected to detect that the door or window is open, and a warning. can do.

The top view which shows the structure of the locking device main body concerning embodiment of this invention. The side view of the locking device main body of this invention. The perspective view which shows the state which earth | grounds a locking device to the sash door as an opening / closing apparatus. The figure which shows the cross-sectional structure of the contact of a locking device. Sectional drawing which shows the arrangement | positioning state of the conduction contact of a contactor and a holder case, and a conduction | electrical_connection projection part. The perspective view which shows the attachment state of a dead bolt, a holder case, and a contactor. (A) is a diagram of a state where the dead bolt is not hitting the glass, (b) is a diagram of a state where the dead bolt is hitting the restraining member and is in error, and (c) is a normal locked state when the contact of the dead bolt hits the locking projection. (D) is a state diagram when an error occurs when the dead bolt hits the glass. The timing chart of the locking device of this Embodiment. Explanatory drawing of the state which applied the locking device of this invention to the hinge window. Explanatory drawing which shows the idling state of a dead bolt when the hinge window shown in FIG. 9 is open. Explanatory drawing of the state which provided the restraint member which has a keyhole in a hinge window, and provided the locking device in the opening part. Explanatory drawing of the state which provided the locking device in the hinge window and provided the restraint member which has a keyhole in an opening part. The fragmentary perspective view which shows the structure of the locking device main body of FIG. 11, FIG. 12, the dead bolt, and the restraint member. (A) is explanatory drawing which shows the other intention on the connection of the steel plate part of a dead bolt, a sensor part, and terminals, (b) is explanatory drawing which shows a state when a dead bolt is hitting the edge of the keyhole of a restraint member, (c) ) Is an explanatory view showing the state of the first protrusion when the dead bolt is properly locked in the key hole of the restraining member, and (c) is in the locked state where the dead bolt is properly entering the key hole of the restraining member. It is explanatory drawing which shows the state of the 2nd protrusion part at a time.

Explanation of symbols

1L, 1R sash door (opening and closing device)
DESCRIPTION OF SYMBOLS 3 Locking device 4 Locking device main body 5 Restraint member 8 Dead bolt 10 Drive mechanism 12B 2nd protrusion part (locking detection means)
14 Second contact (locking detection means)
28B Conductive protrusion (locking detection means)
12A 1st protrusion (error detection means)
13 First contact (error detection means)
28A Conductive protrusion (error detection means)
24 microcomputer 32 link lever 34 string winding spring (biasing means)

Claims (7)

When the opening / closing member that opens and closes the opening is in a state of closing the opening, a dead bolt that restrains the opening / closing member to the opening is provided, and the lock is provided on either the opening or the opening / closing member The device body;
A locking member provided on either the opening or the opening / closing member so as to restrain the dead bolt when the opening / closing member is in a state of closing the opening. And
When the dead bolt comes into contact with the restraining member, a biasing means for further biasing the dead bolt toward the restraining member, and detecting whether the opening / closing member properly closes the opening. And a proper closing detection means. A locking device body provided with a dead bolt, and a restraining member that restrains the dead bolt,
The locking device body is provided in either the opening or one or more opening / closing members that open and close the opening,
In order to maintain the closed state of the opening / closing member when the opening is closed, the restraining member is provided in either the one or more opening / closing members or the opening other than the portion where the locking device main body is provided, A locking device for restricting opening of the opening and closing device in a closed state of an opening,
When the dead bolt comes into contact with the restraining member, a biasing means for further biasing the dead bolt toward the restraining member, and detecting whether the opening / closing member properly closes the opening. And a proper closing detection means. The locking device according to any one of claims 1 and 2,
A control device that controls a drive source of a drive mechanism that drives the deadbolt; and a lock detection means that detects that the deadbolt is in contact with the restraining member and transmits the detection to the control device. After the dead bolt moves toward the restraining member, the deadlocking means presses the deadbolt against the restraining member for a predetermined time after the locking detecting means detects the locking, and the biasing means accumulates the biasing force. A locking device having a function. The locking device according to claim 3,
The proper closing detection means is constituted by the locking detection means, and the locking detection means detects that the opening / closing member is not properly closing the opening when the dead bolt projects beyond a predetermined amount. A locking device characterized by that. The locking device according to any one of claims 3 and 4,
The controller includes error detection means for detecting whether or not the position where the dead bolt is in contact with the restraining member and transmitting the error to the control device. The control device detects the lock while the error detection means detects the lock. A locking device characterized by having a function of pressing the dead bolt against the restraining member for a predetermined time and storing the biasing force in the biasing means when detecting proper contact. The locking device according to any one of claims 3 and 4,
The restraining member includes a locking protrusion that contacts the dead bolt when the dead bolt protrudes into a moving region when the opening / closing member is closed, and the dead bolt holds a contact that moves together with the dead bolt. A first projection for contacting the restraining member and a second projection for contacting the locking projection, and the contact is formed with the first projection. Provided with a first contact that outputs a signal when it comes into contact with the restraining member, and a second contact that outputs a signal when the second projection comes into contact with the locking projection, and the first projection and the The locking device is characterized in that the error detecting means is constituted by a first contact, and the locking detecting means is constituted by the second protrusion and the second contact. The locking device according to any one of claims 1 to 6,
The urging means is provided at a portion connecting the dead bolt and the driving mechanism, and the driving mechanism moves the dead bolt toward the restraining member so that the dead bolt contacts the restraining member. A locking device comprising a spring capable of accumulating a driving force against a resistance force at the time.

Images