JP2013049977A - Safety device of sliding window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safety device of a sliding window capable of housing a detection member for detecting an unlocking or locking state of a crescent lock of a sliding type window inside the crescent lock and maintaining detection accuracy and durability over a long period of time.SOLUTION: A switch 13 which is the detection member is incorporated inside a lock body 5 in a crescent lock 4 for locking and unlocking a sliding type sash body for opening and closing a building opening. At a part to be turned integrally when an operation lever 6 is turned inside the lock body 5, the switch 13 is turned ON/OFF at positions of unlocking and locking of the operation lever 6, and by the ON/OFF of the switch 13, a wireless transmission mechanism 15 transmits signals of unlocking or locking of the crescent lock 4 to a device of a terminal.

Description

  The present invention relates to a safety device for a sliding window, more specifically, in a sliding window that is locked or unlocked by a crescent lock, when the locked crescent lock is unlocked, this is detected and a signal is sent to inform the user. The present invention relates to a safety device capable of improving security by preventing unauthorized intrusion from the outside.

  In order to prevent crimes that open the window and try to intrude from the outside by cutting out or breaking the window glass at the sliding window of the building opening that is locked or unlocked by crescent lock, When the lock is unlocked, it is detected by the detection means, and a sensor connected to the detection means transmits an unlocking signal of the crescent lock by detecting the unlocking state of the detection means, and a terminal device such as a mobile phone or a personal computer. A safety device has already been proposed in which a warning is issued or an alarm is issued on site.

  In the conventional safety device, a reed switch and a magnet are fixed on the outer frame of the sliding-type window, and a magnet is mounted on the reed switch so that they are close to each other. The reed switch is turned on by the magnetic force of the approaching magnet when the shoji is in the closed position, and the reed switch is moved to the open position and the magnet is separated from the reed switch. Is turned OFF, and the transmission sensor transmits an open signal indicating that the window obstacle is opened to the terminal device (see, for example, Patent Document 1).

  The safety device as described above has a structure in which a reed switch is attached to the outer frame of the window and a magnet is attached to the obstacle body. The equipment cost is high, and it is not related to the crescent lock that locks or unlocks the sliding window. Therefore, it is impossible to prevent forgetting to lock the door when it is closed. It cannot be said that the safety device is sufficient.

  In order to solve such problems, a magnet is fixed to the open / close lever of the crescent lock, and a reed switch is disposed on the shoji body at a position corresponding to the magnet when the open / close lever is in the locked position, and the open / close lever is opened. When the magnet is separated from the reed switch in the locked position, the reed switch is turned off, and the transmitting sensor electrically connected to the reed switch transmits the unlocking signal of the crescent lock to the terminal device to prevent forgetting to lock. In addition, there has been proposed a sliding window safety device that can notify the occurrence of unlocking from the outside. (For example, refer to Patent Document 2).

JP 2005-157656 A JP-A-6-309572

  By the way, if the safety device using the above-mentioned crescent lock has a structure in which the magnet is fixed to the open / close lever of the crescent lock and the reed switch is fixed to the obstacle body, these can be seen from the indoor side of the sliding window. Therefore, there is a problem that not only the appearance of the appearance is deteriorated but also the magnet fixed to the opening / closing lever for directly operating the locking and unlocking is obstructed when the finger touches during the operation.

  Moreover, since the magnetic force of the permanent magnet becomes weaker over time, there will be a situation where the reed switch cannot be operated accurately with the passage of a long time, and the reliability is poor in terms of detection accuracy and durability. There's a problem.

  Therefore, the object of the present invention is to house the unlocking detection member inside the crescent lock, so that the appearance of the difference type window from the indoor side does not deteriorate, and the detection accuracy as a safety device and It is an object of the present invention to provide a sliding window safety device capable of maintaining durability over a long period of time.

  In order to solve the above-described problems, the present invention performs locking and unlocking of a sliding-type obstacle body that opens and closes a building opening with a crescent lock, and this crescent lock is a lock main body attached to the obstacle body. A sliding window safety device comprising: an engagement fitting attached to a shoji body, wherein the lock body is configured to be engaged with and disengaged from the engagement fitting by rotation of an operation lever. A switch is incorporated in the lock body of the lock, and a switch operation member is provided in a portion that rotates integrally when the operation lever is rotated inside the lock body, and that pushes the switch when the operation lever is in the unlocked position. The wireless transmission mechanism is electrically connected to the switch, and the wireless transmission mechanism transmits a signal for unlocking and locking the crescent lock in response to ON / OFF of the switch.

  Here, the lock body of the Crescent lock is formed in a thin box shape that is hollow inside and open at the back, and the operation lever arranged on the front side of this lock body is fixed to the center shaft that is rotatably held by the lock body. Coil spring between a rotating spring receiver that is attached to the lock body and protrudes at an eccentric position of the center shaft inside the lock body, and a fixed spring receiver that protrudes at a position below the center shaft inside the lock body. Is stretched.

  When the operation lever is rotated upward, it is in the unlocked position when it is rotated downward, and becomes the locked position, and the pivot spring receiver of the center shaft that rotates 180 ° by such a change in the unlocked position and the locked position is: When the operating lever is in the unlocked position or the locked position, it is provided so as to be in a horizontal positional relationship with respect to the rotational axis. As the shaft passes through either side, the operation lever is biased to rotate elastically toward the unlocked position or the locked position.

  The switch is disposed inside the lock body so as to be positioned below the rotary spring receiver that is stopped when the operation lever is set to the unlocked position, and a switch operating member provided on the rotary spring receiver is provided. When the switch actuator is pushed in, the switch is turned OFF, and when the operating lever is turned to the unlocked position, the switch operating member is separated from the switch together with the turning spring receiver, and the switch is turned ON.

  The wireless transmission mechanism is fixed to a one-sided obstacle body attached with the lock body of the crescent lock at a position close to the crescent lock, and is electrically connected to the switch with a short lead wire to unlock and lock the crescent lock. A signal is transmitted wirelessly to a terminal device.

  According to the present invention, the switch is incorporated in the inside of the lock body of the crescent lock, and the switch operating member that turns ON or OFF by pressing the switch is provided in a portion that rotates integrally when the operation lever rotates inside the lock body. Therefore, the detection member for detecting the unlocking and locking of the crescent lock can be stored in the crescent lock, and since these are not visible from the outside, the appearance of the sliding window does not deteriorate. In addition, there is no sense of incongruity or hindrance to the unlocking and locking operations of the crescent lock.

  In addition, since the detection of unlocking and locking of the crescent lock is performed by mechanically turning the switch on and off by the switch operating member, the function over time as a safety device is degraded compared to the one using a magnet. Therefore, long-term reliability can be improved.

The perspective view of the use condition which shows the safety device of the sliding window which concerns on this invention The perspective view seen from the back side which shows an example of the crescent lock used for the safety device of the sliding window concerning this invention The longitudinal side view which shows an example of the crescent lock used for the safety device of the sliding window which concerns on this invention (A) is a rear view which shows the state at the time of unlocking of the crescent lock used for the safety device of the sliding window concerning this invention, (b) is a rear view which similarly shows the state at the time of closing of the crescent lock

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  As shown in FIG. 1, the sliding window 1 can be opened and closed by incorporating two pieces of shojis 2 and 3 in a window outer frame fixed to the building, and using the crescent lock 4, 3 can be fixed in the closed state.

  The crescent lock 4 is locked to the lock body 5 fixed to the outer surface of the end portion of the frame body that forms the one-sided shoji body 2 located on the indoor side, and the lock body 5 can be pivoted in the vertical direction. The operation lever 6 and an arcuate pulling wall 7 provided so as to rotate integrally with the operation lever 6 are fixed to the inner surface of the end portion of the frame that forms the other shoji body 3 that is the outdoor side. A hook-shaped engagement fitting 8 that engages and disengages the pulling wall 7 provided on the operation lever 6 is used in combination.

  The lock body 5 in the crescent lock 4 is formed in a thin rectangular box shape that is hollow inside and open at the back side. As shown in FIGS. 2 and 3, an operation lever 6 provided on the front side is provided inside the lock body 5. A rotating spring receiver 10 projecting at an eccentric position of the center shaft 9 that is rotatably held, a fixed spring receiver 11 projecting at a position below the center shaft 9 inside the lock body 5, and the rotating spring receiver 10. A coil spring 12 stretched between the spring 11 and the fixed spring receiver 11 is provided so that the unlocking posture with the operating lever 6 facing downward and the locking posture with the operating lever 6 facing upward are elastically held. ing.

  The lock body 5 is fixed to the one side panel 2 by screwing both ends in a state where the length direction is the vertical direction and the back surface is overlapped with the outer surface of the end part of the frame body forming the one side panel 2, As shown in FIG. 4A, the operation lever 6 is in the unlocked position when rotated downward about the center axis, and is locked in the upward position as shown in FIG. 4B. It becomes.

  When the operating lever 6 in the unlocking position is rotated to the locking position with the sliding body 2 and 3 closed with respect to the lock body 5, the pulling wall 7 rotates. When it is fixed to the inner surface of the end of the frame body that forms the other shoji body 3 so as to be engaged while moving, and when the operating lever 6 is set to the locked position, the pulling wall 7 and the engagement fitting 8 are The shoji bodies 2 and 3 are fixed so as to draw each other.

  The rotation spring receiver 10 of the center shaft 9 that rotates 180 ° by the change of the unlocking position and the locking position of the operation lever 6 is horizontal to the rotation axis when the operation lever 6 is in the unlocking position or the locking position. Therefore, when the operating lever 6 is rotated, the axial center of the coil spring 12 passes to the left or right side with respect to the rotational axis that is the dead center of the center shaft 9. Thus, the operation lever 6 is urged to turn elastic toward the unlocking position or the locking position.

  The safety device according to the present invention is a detection member for detecting the unlocking and locking of the crescent lock 4. The switch 13 incorporated in the lock body 5 of the crescent lock 4, the switch 13 and the lead wire 14. And a wireless transmission mechanism 15 that is fixed to the one shoji body 2 to which the lock body 5 is attached.

  The switch 13 is a type in which the contact 13 is closed and turned on when the operating element 13a is pushed in, and the operation lever 6 is locked in the lock body 5 as shown in FIGS. 2 and 4B. When it is in the position, it is provided with an arrangement in which the actuator 13a faces upward so as to be positioned below the rotary spring receiver 10 that is stopped at this locked position, and the rotary spring receiver that is stopped at the locked position. Reference numeral 10 also serves as a switch operating member, and the actuator 13a is pushed by the rotating spring receiver 10.

  In addition, in the illustrated case, the switch operating member for pushing the switch 13 has been shown to be pushed down directly by the rotating spring receiver 10 stopped at the locked position, but with respect to the rotating spring receiver 10, An operation member formed using a leaf spring, a metal plate, or a pin is attached in a protruding shape, and when the rotary spring receiver 10 stops at the locking position, the operation member 13a of the switch 13 is pushed by the operation member. It may be.

  The wireless transmission mechanism 15 is fixed to the one side of the shoji 2 at a position close to the crescent lock 4, and is electrically connected using a switch 13, a lead wire 14 and a connector located inside the crescent lock 4, This wireless transmission mechanism 15 houses a transmitter, a power supply, etc. in a case, and when the switch 13 is turned on or off and the transmitter is energized or cut off, the lock or unlock signal of the crescent lock 4 is sent to the terminal device. It comes to send.

  The crescent lock 4 used in the present invention is not limited to the structure shown in the figure, and can be housed with the switch 13 incorporated in the lock body 5 so that the lock position of the operating lever 6 and the opening position can be opened. Any structure can be used as long as the switch 13 can be turned on and off by changing the lock position.

  The safety device of the present invention is configured as described above, and FIG. 1 shows a state in which the two shoji bodies 2 and 3 of the sliding window are closed and the crescent lock 4 is unlocked, and FIG. When the operating lever is rotated to the unlocked position as described above, the rotation spring receiver 10 is in the unlocked position by the rotation of the center shaft 9 and is separated from the actuator 13a of the switch 13, and the pressing of the actuator 13a is performed. The unlocked switch is turned off.

  At this time, when the wireless transmission mechanism 15 is turned off when the switch is turned OFF. The unlocking signal of the crescent lock 4 is transmitted to the terminal device.

  Next, FIG. 4B shows a state in which the crescent lock 4 is locked. When the operation lever is rotated upward, the pulling wall 7 and the engagement fitting 8 are fixed so as to pull both the shoji bodies 2 and 3 together. In the crescent lock 4, the rotation spring receiver 10 protruding from the center shaft 9 is rotated 180 ° to the locking position. The rotation spring receiver 10 pushes down the actuator 13 a of the switch 13, and the switch 13 The wireless transmission mechanism 15 energizes the transmitter and transmits the lock signal of the crescent lock 4 to the terminal device. Therefore, the lock state of the sliding window is changed to the terminal device. Can be confirmed.

  As described above, when the crescent lock 4 is unlocked or locked, the switch 13 is turned ON or 0FF, and the wireless transmission mechanism 15 sends an unlocking or locking signal to a mobile phone, a personal computer or the like by turning this switch 13 ON or 0FF. Transmitting wirelessly to terminal devices or activating alarms placed around the site to inform the home and surrounding residents that the crescent lock has been unlocked, thereby allowing unauthorized intrusion from the outside It will be possible to prevent the occurrence of damage due to.

DESCRIPTION OF SYMBOLS 1 Sliding window 2, 3 Shoji body 4 Crescent lock 5 Lock main body 6 Operation lever 7 Pulling wall 8 Engagement metal fitting 9 Center shaft 10 Rotating spring receiver 11 Fixed spring receiver 12 Coil spring 13 Switch 14 Lead wire 15 Wireless transmission mechanism

Claims (1)

The crescent lock is used to lock and unlock the sliding-type obstacle body that opens and closes the opening of the building, and this crescent lock consists of a lock body attached to one of the obstacle bodies and an engagement fitting attached to the other obstacle body, The lock body is a sliding window safety device formed so as to be engaged with and disengaged from the engagement fitting by rotation of the operation lever,
A switch is incorporated in the lock body of the crescent lock, and a switch operation member that pushes the switch when the operation lever is in the unlocked position is provided in the part that rotates integrally when the operation lever rotates inside the lock body, A safety device for a sliding shoji, wherein a wireless transmission mechanism is electrically connected to the switch, and a signal for unlocking and locking the crescent lock is transmitted by the wireless transmission mechanism in accordance with ON / OFF of the switch.

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