JP2007310576A - Auxiliary lock for slide glass door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an auxiliary lock for a slide glass door having a lock function and an alarm function, simplifying its mounting and operation, and allowing the installation to be confirmed from the outside for giving threatening effects to an intruder. <P>SOLUTION: This auxiliary lock for the slide glass door is provided with a substrate 1 whose back face is attached to the glass of the glass door and a lock body 2 overlayed on the substrate 1 so as to be freely openable. This lock body 2 incorporates an alarm unit U which issues warning when detecting the vibration of a window glass and the opening movement of the glass door and a button battery B as a power source for an operation in a flat-shaped case body 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  In the present invention, the sliding glass door such as a sash window provided in a house or the like is prevented from being opened by an intruder from the outside, and an alarm is issued when an attempt is made to open the door. More particularly, the present invention relates to an auxiliary lock for sliding glass doors that has a lock function and an alarm function as a single unit and can be easily attached to a sash window or the like.

In recent years, it has been desired to install an auxiliary lock in addition to a main lock such as a crescent lock on the glass door due to demands for crime prevention. The crescent lock body as the main lock and a screw on the window frame of the glass door Various simple locks that are fixed by using are used.
On the other hand, as shown in FIG. 7, for example, as shown in FIG. 7, a substrate 21 whose back surface is attached to the glass of a window, and a lock that is superposed on the substrate 21 so as to be tiltable forward can be used. There has been proposed a window auxiliary lock 20 that includes a plate 22 and has a configuration in which the lock plate 22 tilts forward to prevent the opening of the other glass door (see, for example, Patent Document 1).

In addition, it is also desirable to issue an alarm when it is forcibly opened from the outside to warn the surroundings, and to add an alarm function that can intimidate intruders. For example, as shown in FIG. 8, an auxiliary lock 31 formed by superposing a regulating piece 31 b on a mounting plate 31 a so as to be raised and lowered is fixed to one sliding door 33 and the contact of the auxiliary lock 31 is sensed. If the alarm device 32 provided with the detection unit 32a is attached to the other sliding door 34 and the regulating piece 31b is raised, if one of the sliding doors 33 or 34 is to be opened, the alarm device 32 is provided. Is a sliding door crime prevention device that has a structure that detects the contact of the auxiliary lock 31 and generates an audible alarm and prevents the sliding door 33 or 34 from further opening by the standing regulating piece 31b. Stem has been proposed (e.g., see Patent Document 2).
JP 11-36676 A (pages 2 and 3 and FIGS. 1 to 3) JP 2001-152723 A (pages 2 to 8 and FIGS. 1 to 15)

However, in the former prior art described above, the former is installed by being affixed to the glass of the window. Therefore, the attaching operation is simple and the structure and the operation method are simple, but the alarm function is not provided.
On the other hand, in the latter described above, although the system has both a lock function and an alarm function, the auxiliary lock and the alarm device that perform these functions are separately attached and used, so that the installation work becomes complicated. . In addition, the auxiliary lock and the alarm device are provided in a room that is difficult to confirm from the outside, so that there is no intimidating effect on the intruder.

  The present invention has been made in view of the above points, and has both a lock function and an alarm function as a single unit, is easy to install, is easy to operate, and allows the installation of the apparatus to be confirmed from the outside. The purpose is to provide an auxiliary lock for sliding glass doors that provides a threatening effect.

  In order to achieve the above-mentioned object, the auxiliary lock for sliding glass doors of the present invention includes a substrate on which the back surface is attached to the glass of the outside sliding glass door, and a pivotable one end portion on the front side of the substrate. The total thickness when the lock body is turned over and placed in a superposed state with respect to the substrate is set to a thickness that does not hinder the opening and closing of the inner sliding glass door, and the lock body is The sliding side is configured to prevent the opening when the side of the pivoting side is rotated 90 degrees forward to stand upright at the front of the board in contact with the window frame of the sliding door on the inside. An auxiliary lock for a glass door, wherein the lock body detects an alarm by detecting at least one of vibration of the window glass and a contact force with the window frame of the inner sliding glass door in a highly rigid flat housing. Alarm unit that emits this alarm Characterized in that it comprises a battery for operating the unit.

  According to the auxiliary lock for sliding glass doors of the present invention having the above-described configuration, it is possible to easily attach the substrate to the glass of the outside sliding glass door, and the lock body is laid down in the attached state. When placed in a superposed state with the substrate, the glass door can be opened and closed freely in an unlocked mode that does not hinder the opening and closing of the inner sliding glass door, while when the lock body is erected, the side of the erected lock body Since the portion comes into contact with the window frame of the inner sliding glass door and becomes a lock mode for restricting the opening operation, the glass door cannot be opened.

  Further, in this state, if the glass door is forcibly opened to try to open it, the locking unit alarm unit detects the opening force or vibration generated upon opening. In other words, when the lock mode is entered, the mode is automatically switched to an alarm mode in which an abnormality is detected and an alarm is issued in the event of an abnormality such as the entry of a suspicious person. Further, since the alarm unit is operated by a battery built in the lock body, the alarm unit operates without trouble even when the lock body stands up.

  And since the user can perform the lock mode (alarm mode) and release only by raising and lowering the lock body, it is easy to operate, and it is possible to visually check whether it is in the lock mode (alarm mode). Is unlikely to occur. On the other hand, since the installation state of the auxiliary lock can be confirmed from the outside through the window glass, a threatening effect can be given to the intruder and the suspicious person can be prevented from entering.

  According to a second aspect of the present invention, a power switch that opens and closes an electric circuit that connects the battery and the alarm unit is provided in the lock body, and the power switch is connected to the substrate by the fall operation of the lock body. It can be configured so that it is turned off by contact with the substrate and turned on by being separated from the substrate by the standing operation of the lock body.

  According to the auxiliary lock for sliding glass doors according to claim 2, the power is supplied from the battery to the alarm unit by raising the lock body to the lock mode, and the alarm unit is automatically switched to the alarm mode. I get out. In other words, the lock mode and the alarm mode can be switched by only one operation of raising the lock body, and the lock mode is canceled and the lock mode is restored by only one operation of tilting the lock body. In addition, the alarm mode is also canceled.

The alarm unit includes a vibration sensor that detects vibration of the window glass, a damper switch that is operated by a pressing force when the inner sliding glass door is opened, and the vibration sensor. And a control unit that identifies a signal from the damper switch and outputs an alarm command, and an alarm generation unit that emits an alarm sound, an alarm light, or an alarm signal according to the command from the control unit,
The damper switch may include a switch operation unit that is operated in contact with a window frame of the inner sliding glass door when the lock body stands.

  According to the auxiliary lock for sliding glass doors according to claim 3, in the lock mode in which the lock body is erected, when the glass door is pulled to the open side in an attempt to open, vibration generated by the external force is a vibration sensor. The strong pressing force through the window frame due to the opening of the sliding glass door is detected by the operation of the damper switch through the switch operation unit, and is transmitted to the control unit. The control unit identifies the signal transmitted (identification based on the threshold range difference and the presence / absence of a signal) and issues a command to the alarm generation unit. The alarm generation unit generates an alarm sound and flashing alarm light according to the command from the control unit. Can be made. If the external force applied to the glass door is, for example, an impact for breaking the window glass part for the purpose of unlocking the main lock of the glass door, the vibration sensor detects the vibration due to the impact, and the above control Alarms can be generated with patterns.

  According to a fourth aspect of the present invention, it is preferable that a stopper mechanism is provided between the lock body and the substrate so that the lock body is detachably locked when the lock body is overturned.

  According to the auxiliary lock for sliding glass doors according to claim 4, when the lock body is turned down and is set to the unlock mode, the lock body is arbitrarily rotated upright by some vibration or the like, and is not intended. Occurrence of troubles such as sometimes entering the lock mode can be avoided. In other words, when the sliding glass door is opened and the glass door is closed outside, the lock body is not inadvertently raised and the opening of the glass door is not prevented.

  It is preferable to form a metal plate made of gold or the like.

  According to the auxiliary lock for glass doors according to claim 5, it is easy to secure the structural strength and rigidity necessary to regulate and lock the glass doors under the metal plate structure. It is.

  The sliding glass door auxiliary lock according to the present invention has the following excellent effects.

  (1) It has a lock function and an alarm function as a single unit, and is attached only by being attached to the glass surface of the glass door, and does not require a special tool or the like.

  (2) The lock function can be activated by raising the lock body in combination with the lock function and the alarm function, and the lock body can be released by lying down, and the setting and release operations are very simple. Since the release state can be visually recognized, it is possible to reduce the occurrence of operation mistakes such as forgetting to set.

  (3) Since it can be installed simply by sticking to the glass surface of the glass door, it is easy to install, and it is confirmed that a security device is installed from the outside, thus threatening the suspicious person who intends to enter Intrusion can be deterred.

  Hereinafter, the best mode for carrying out the auxiliary lock for sliding glass doors according to the present invention will be described with reference to the drawings.

  1 to 6 show an auxiliary lock for sliding glass doors according to an embodiment of the present invention, FIG. 1 is a perspective view showing the auxiliary lock of this example, and FIG. FIG. 1B shows the state when the lock body is standing (lock mode).

  FIG. 2 is a perspective view showing an installation (attachment) state to the glass door, FIG. 2 (a) is a state where the glass door is closed when the lock body is lying down (unlock mode), and FIG. The state in which the glass door is opened and closed when the lock body is overturned (unlock mode), and FIG. 2C shows the state in which the glass door is forcibly opened when the lock body is raised (lock mode). Yes.

  3 is a cross-sectional view taken along line AA in FIG. 1B showing the structure of the lock body, FIG. 4 is a cross-sectional view taken along line EE in FIG. 3 showing the structure and operation of the stopper of the lock body, and FIG. The state at the time of standing is shown, and FIG. 4B shows the locked state at the time of lying down. FIG. 5 is a block diagram showing a circuit configuration of the alarm unit, and FIG. 6 is an operation flowchart of the alarm unit.

First, based on FIG. 1 (a)-FIG.1 (b) and FIG.2 (a)-FIG.2 (c), the structure and usage aspect of an auxiliary | assistant lock are demonstrated.
The auxiliary lock 10 according to the present embodiment includes a rectangular substrate 1 and a flat box-like lock body 2 whose one end is pivotally supported so as to be openable and closable (expandable) with respect to the substrate 1 as main components. Yes.

  The substrate 1 has one surface bonded to one side of a weather-resistant double-sided adhesive tape (not shown), and is attached to a glass G described later via the double-sided adhesive tape. On the other hand, as shown in FIGS. 1A and 1B, the lock body 2 has hinges 1a projecting on both sides of the lower portion of the substrate 1 via a pivot shaft 4 as shown in FIGS. As shown in FIG. 1 (a), it is connected so as to be rotatable, and as shown in FIG. By lying down, the substrate 1 and the substrate 1 are in a superposed state, and as shown in FIG. 1B, the upper end side is rotated forward by approximately 90 ° to stand perpendicularly to the front surface of the substrate 1. Become.

  The lock body 2 includes a unit housing portion 3a for housing the alarm unit U and a button battery B as an operating power source for the alarm unit U in a flat housing 3 having structural strength and high rigidity. A battery accommodating portion 3b for accommodating, a locking mechanism arrangement portion 3c for arranging a stopper 8 for locking the lock body 2 to the substrate 1, and an insertion portion 3d for inserting the pivot shaft 4 are provided.

  Further, as shown in FIG. 3, a push bar 5 that can move laterally through the side wall of the housing 3 and a damper rubber 6 that holds the push bar 5 are provided on one side surface of the housing 3. . The damper rubber 6 supports the head of the push bar 5 at the center protruding portion, and is fixed integrally by fitting a pair of claw portions 6 a to the side surface of the housing 3. As shown by the alternate long and short dash line in FIG. 1B, the push bar 5 is arranged such that its inner end is inserted into the alarm unit U, and its inner end is in contact with a damper switch D described later.

  And the auxiliary lock 10 of this example lays down the lock body 2, and as shown to Fig.2 (a), the sliding glass door W1 (henceforth a sliding glass door is simply called a glass door) of the outer side of the window W. )) Is attached to the inner surface of the glass G, but the total thickness in the polymerization state of the substrate 1 and the lock body 2 is set so as not to obstruct the opening and closing of the inner glass door W2, and the main lock R is locked. As long as it is not performed, as shown in FIG. 2B, when the lock body 2 is turned over, the unlocked mode is enabled in which the inner glass door W2 can be opened and closed, and the outer glass door W1 can be opened and closed.

  Further, as shown in FIG. 2C, when the upper end side of the lock body 2 is rotated forward by approximately 90 ° and raised from the front surface of the substrate 1, one side surface of the lock body 2 is the inner glass. The lock mode is set in which the door W2 is in contact with the window frame F of the door W2 to prevent the door from being opened.

  Note that the push bar 5 and the damper rubber 6 of the lock body 2 are provided on one side surface portion that comes into contact with the window frame F of the inner glass door W2. The auxiliary lock 10 is attached so that the end surfaces of the push bar 5 and the damper rubber 6 come into contact with the window frame F of the inner glass door W2 when the lock body 2 is erected.

  Further, on the surface (front surface) of the substrate 1, as shown in FIG. 1 (b), a locking claw 1c that can be engaged with a stopper 8 disposed in a locking mechanism arrangement portion 3c of the lock body 2 is directed forward. Projecting. On the other hand, as shown in FIGS. 3 and 4 (a) to 4 (b), the stopper 8 disposed in the lock body 2 is urged in the direction of the pivot shaft 4 by a coil spring 8a. As shown in 4 (b), when the lock body 2 is laid down and superposed on the substrate 1, it engages with the locking claw 1c and reliably holds the lock body 2 in the overturned state. On the other hand, the engagement state with the latching claw 1c is released by pushing the release button portion 7 that is slightly protruded from the housing 3 on the side of the pivot shaft 4 against the coil spring 8a. As shown in FIG. 4 (a), the lock body 2 can be erected. On the other hand, the button battery B accommodated in the battery accommodating portion 3b is held by the opening / closing lid 3e so as not to be detached, as shown in FIG.

  In the auxiliary lock 10 of this example, the substrate 1 and the housing 3 of the lock body 2 are formed of a stainless steel plate. The substrate 1 has a height dimension of around 60 mm and a width dimension of around 80 mm. And the lock body 2 are configured such that the total thickness during polymerization is 9 mm or less. Also, when the lock body 2 stands, even if the window frame F contacts with a static load of 35 kgf or a dynamic load of 50 kgf, it has structural strength and rigidity that does not cause any abnormality in the operation and shape of each component. Yes. In addition, the damper rubber 6 of the lock body 2 is selected and used so that it does not break even when it receives an impact load of 50 kgf. Furthermore, the double-sided adhesive tape on the back surface of the substrate 1 has an adhesive force that does not peel 30% or more from the window glass G surface even when a load of 50 kgf from the window frame F acts on the lock body 2 for 5 minutes. Thus, the lock function of the main lock R is complemented, and even if the lock of the main lock R is forgotten, a sufficient lock function can be achieved.

  As shown in FIG. 5, the alarm unit U includes a vibration sensor V, a damper switch D, a control unit C that identifies signals from the vibration sensor V and the damper switch D, and outputs a warning command. A speaker S that generates sound is provided in a resin case, and is housed in the housing 3 of the lock body 2 in a replaceable manner.

  In addition, the control unit C identifies the amplifier C1 that amplifies the signal from the vibration sensor V, the signal from the vibration sensor V that passes through the amplifier C1, and the signal from the damper switch D (identification is based on the threshold range difference and the presence or absence of the signal). ), A comparator C2 that issues an alarm command based on a pre-input program, a timer C3 that sets the duration of the alarm command according to a command from the comparator C2, and various alarm sound signals according to commands from the comparator C2 and the timer C3. An alarm sound source C4 is provided for a predetermined time toward the speaker S.

  Further, the alarm unit U in the state of being accommodated in the housing 3 passes through the pressing spring 3f disposed in the shaft insertion portion 3d and the side wall of the housing 3 to reach the inside of the alarm unit U as shown in FIG. The damper rubber 6 is securely held by the pair of claw portions 6a.

  Further, as shown in FIG. 1B, the alarm unit U has a push button P for operating a power switch (not shown) for opening and closing an electric circuit connected to the button battery B on one surface facing the substrate 1. While providing, the speaker S is opened. On the other hand, a push button P which is relatively pushed by the substrate 1 is protruded on the surface side of the lock body 2 so as to be able to enter and exit, and is turned off by contact with the substrate 1 when the lock body 2 falls down, and when the lock body 2 stands up It is configured to be turned on when contact with the substrate 1 is released.

  Therefore, it becomes an alarm mode in which the alarm unit U can be operated only by raising the lock body 2. In this state, the vibration sensor V detects the vibration of the window glass G, and the opening operation of the inner glass door W2 is detected by the damper switch D via the push bar 5 and transmitted to the control unit C. An alarm sound command is issued to the speaker S.

  An example of the operation flow is shown in FIG. First, at the start of warning (step 1), the release button portion 7 of the lock body 2 is pressed to release the engagement state with the stopper 8. Subsequently, the lock body 2 is raised by rotating approximately 90 ° forward and downward (step 2). As a result, the substrate 1 and the push button P are separated from each other, the push button P protrudes, the power switch is activated, and the power is turned on (step 3).

  The alarm unit U confirms the warning start state by continuing the power-on state for 3 seconds, outputs a beep sound (step 4), informs the operator that the alarm mode has been entered, and waits for input ( Step 5) is entered. In this input standby state, the controller C shown in FIG. 5 constantly checks whether there is a signal for vibration detection by the vibration sensor V or an open / close detection signal by the damper switch D (step 6). When there is no detection signal (NO), the input standby (step 5) state is maintained, while when there is a detection signal (YES), an alarm command is issued and an alarm sound is output to the speaker S for 20 seconds ( step 7).

  As described above, the auxiliary lock 10 according to the present embodiment is configured. The auxiliary lock 10 can be easily installed by simply attaching the auxiliary lock 10 to the glass G of the glass door W1. When it is laid down and superposed on the substrate 1, it becomes an unlock mode, and the glass doors W1 and W2 can be freely opened and closed, and the polymerization state between the lock body 2 and the substrate 1 is securely held by the stopper 8, It is possible to avoid the occurrence of problems such as the lock body 2 standing up carelessly due to vibration or the like and entering the lock mode.

  On the other hand, the lock button 2 is pushed to release the engagement state with the stopper 8 and the lock body 2 is erected to enter the lock mode in which the glass doors W1 and W2 are prevented from being opened. The power from the button battery B is supplied to the alarm unit U, and the alarm unit U is automatically switched to an alarm mode in which it can operate. That is, it is possible to switch between the lock mode and the alarm mode by a simple and instantaneous operation of raising the lock body 2 while pressing the release button portion 7, and the set and release states are the lock body 2 lying down or standing up Can be visually recognized, and the occurrence of operation mistakes can be suppressed. Further, since the alarm unit U is operated by the battery in the same lock body 2, the alarm mode can be switched to the alarm mode without any trouble even when the lock body 2 stands up.

  In the lock mode in which the lock body 2 is erected, if the glass door W1 or W2 is forcibly opened, the alarm unit U detects the vibration generated at that time by the vibration sensor V, and the pressing force of the window frame F If the external force acting on the glass door is, for example, an impact for partial breakage of a glass window for the purpose of unlocking the main lock, the vibration caused by the impact is detected. The vibration sensor V can detect and similarly generate an alarm sound. In addition to alarming by these, it is possible to threaten an intruder from the outside and suppress the intrusion.

  In addition, although the auxiliary lock 10 of this example described above shall be installed in the glass door of a window, this is an example, and if it is a sliding type thing, as a general window, Needless to say, for example, the same action and effect can be obtained by installing it at the outlet glass door, the sliding glass door of the entrance, or the sliding glass door of the partition. In addition, the alarm unit U detects vibration and the opening of the glass door and generates an alarm sound. However, it is also a preferred embodiment that the alarm unit U is configured to generate flashing light in addition to the alarm sound. The alarm unit U includes the vibration sensor V and the damper switch D. However, for example, the damper switch D may be omitted, and an abnormality may be detected only by the vibration sensor V to generate an alarm. it can. Furthermore, for example, a red LED can be arranged at a position facing forward when the lock body 2 stands, or a fluorescent tape can be attached to make the set and released states visible more reliably.

FIG. 1A is a perspective view showing an embodiment of an auxiliary lock of the present invention, FIG. 1A is a state when the lock body is overturned (unlock mode), and FIG. 1B is a state when the lock body is raised (lock mode). Each of the states is represented. It is a perspective view which shows the installation (attachment) state to a glass door, FIG.2 (a) is the state which closed the glass door at the time of a lock body lying down (unlock mode), FIG.2 (b) is a lock body. FIG. 2 (c) shows a state where the glass door is opened and closed when it is lying down (unlock mode), and FIG. 2C shows a state where the glass door is forcibly opened when the lock body is standing (lock mode). It is AA sectional drawing of FIG.1 (b) which shows the structure of a lock body. FIG. 4A is a cross-sectional view taken along the line E-E in FIG. 3 showing the configuration and operation of the stopper of the lock body. FIG. 4A shows a standing state and FIG. 4B shows a locked state when lying down. . It is a block diagram which shows the circuit structure of an alarm unit. It is an operation | movement flowchart of an alarm unit. It is a perspective view which shows the structure of the conventional auxiliary lock for windows. It is a perspective view which shows schematic structure of the conventional sliding glass door crime prevention system.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Board | substrate 1a Shaft support part 1c Locking claw 2 Locking body 3 Housing | casing 3a Unit accommodating part 3b Battery accommodating part 3c Locking mechanism arrangement | positioning part 3d Shaft insertion part 3e Shaft insertion part 3f Pressing spring 4 Pivot 5 Push bar 6 Damper rubber 6a Mounting projection 7 Release button part 8 Stopper 8a Coil spring 10 Auxiliary lock B Button battery C Control part C1 Amplifier C2 Comparator C3 Timer C4 Alarm sound source D Damper switch F Window frame G Window glass P Push button R Main lock S Speaker U Alarm unit V Vibration sensor W Window W1 Glass door W2 Glass door

Claims (5)

A board having a back surface attached to the glass of the outside sliding glass door, and a lock body pivotally supported at one end on the front side of the board, the lock body being laid down against the board The total thickness when it is in a superposed state is a thickness that does not hinder the opening and closing of the inner sliding glass door, and the lock body is rotated 90 degrees forward on the anti-pivot side to stand upright at the front surface of the substrate. A side lock of the sliding glass door is configured to abut against the window frame of the sliding glass door on the inner side and prevent its opening,
The lock body includes an alarm unit that issues an alarm by detecting at least one of vibration of the window glass and a contact force with the window frame of the inner sliding glass door in a flat housing having high rigidity, and the alarm unit. An auxiliary lock for sliding glass doors, characterized in that it comprises a battery for operating the door.   A power switch for opening and closing an electric circuit connecting the battery and the alarm unit is provided in the lock body, and the power switch is turned off by contact with the substrate due to a fall operation of the lock body. The auxiliary lock for sliding glass doors according to claim 1, wherein the auxiliary lock for sliding glass doors is configured to be turned on by being separated from the substrate by the standing operation. The alarm unit identifies a vibration sensor that detects vibration of the window glass, a damper switch that is operated by a pressing force when the inner sliding glass door is opened, and a signal from the vibration sensor and the damper switch. And a control unit that outputs an alarm command and an alarm generation unit that emits an alarm sound, an alarm light, or an alarm signal according to an instruction from the control unit,
The said damper switch is provided with the switch operation part operated by contact | abutting to the window frame of the said inner side difference glass door at the time of standing of the said lock body, The difference of Claim 1 or 2 characterized by the above-mentioned. Auxiliary lock for glass door.   The pull according to any one of claims 1 to 3, wherein a stopper mechanism is provided between the lock body and the substrate so that the lock body can be engaged and disengaged when the lock body falls down. Difference glass door auxiliary lock. The auxiliary lock for sliding glass doors according to any one of claims 1 to 4, wherein the housing of the substrate and the lock body is formed of a metal plate made of stainless steel or aluminum alloy.

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