JP3177485U - Door locking device - Google Patents

Abstract

The present invention provides a door locking device that includes a display means for indicating whether or not a door has been locked so that the locked state of the door can be seen at a glance and prevents the door from being forgotten to be locked.
When a human body sensor detects a person, a light emitting element disposed in a handle base portion is caused to emit light so that the light emitting portion emits light so that the position of the door handle portion can be easily confirmed even in the dark. It can be so. Furthermore, a lock detecting means is provided, and when the door is locked by a key inserted into the key cylinder 4, it is detected and the light emitting portion 3 is allowed to emit light for a predetermined time so that the locked state of the door can be known at a glance. Like that.
[Selection] Figure 2

Description

  The present invention relates to a door locking device for application to a door of a building entrance.

  The door of the building entrance is opened and closed by operating a handle or door knob attached to the door and inserting / removing a latch bolt into / from a latch hole of the door frame. Such doors are usually provided with a locking device to prevent others from opening the doors without permission. The door locking device includes a key cylinder having a key insertion hole on the outer side of the door, a thumb turn provided on the inner side of the door, a dead bolt inserted into and removed from the door mouth by operation of the key inserted in the key cylinder and the thumb turn, The door frame is formed with a key receiving hole for receiving the dead bolt, and the door can be locked and unlocked by operating the key or thumb turn and inserting and removing the dead bolt into the key receiving hole of the door frame. Do.

  In such a door, as shown in Patent Document 1, a human body sensor and a light emitting element such as an LED are incorporated in the handle portion so that the position of the door handle portion can be easily confirmed even in the dark. A technology has been developed in which the light-emitting element emits light by detecting the human body sensor when standing in front.

  If such a technique is adopted, the position of the door handle portion can be easily confirmed even in the dark, which is convenient when unlocking the door at night and opening the door.

China Utility Model Authorization Notice No. 20182137

  By the way, when you go out with the door closed, you often forget whether you forgot to lock the door or forgot to lock the door. However, the conventional door locking device including the door locking device of the above publication has a problem that it is easy to forget to lock because it is not provided with a display means for determining whether or not the door is locked. Also, to check if you have forgotten the lock, you need to turn the handle.If you are away from the door, you need to go back to the door and try to operate the handle. There was a problem that it took.

  In view of such a problem, the present invention aims to prevent the door from being forgotten by providing a means for indicating whether or not the door is locked so that the locked state of the door can be seen at a glance. It is.

  In order to solve the above problems, the invention according to claim 1 of the present application is provided in a door handle, a lock for locking the door, a lock detecting means for detecting that the lock is locked, and the door handle. The light-emitting element includes a light-emitting element and a control circuit that controls light emission of the light-emitting element, and causes the light-emitting element to emit light for a predetermined time when locking is detected by the lock detection unit.

  The invention according to claim 2 of the present application is the invention according to claim 1, further comprising human body detecting means for detecting the presence of a person in front of the door, and the light emission when the human body detecting means detects a person. The device emits light.

  A device according to claim 3 of the present application is characterized in that, in the device according to claim 1 or 2, the control circuit and the light emitting element operate using a battery as a power source.

  A device according to claim 4 of the present application is characterized in that, in the device according to claim 3, when the output voltage of the battery becomes a predetermined value or less, the light emitting element is caused to emit light.

  Further, in the device according to claim 5 of the present application, in the device according to claim 1, 2, 3, or 4, the lock includes a biometric authentication device, and the biometric authentication device may be an authorized registrant. It is characterized by being unlocked only when authenticated.

The door locking device of the present invention has the following effects.
That is, in the device according to the first aspect, when the locking detection means detects the locking, the light emitting element is allowed to emit light for a predetermined time, so that the locking state of the door can be recognized at a glance, and the locking of the door is achieved. Forgetting can be prevented.

  Further, in the invention according to claim 2, in the door locking device according to claim 1, when a human body detecting means for detecting that a person is present in front of the door is provided and the human body detecting means detects a person, Since the light emitting element emits light, the same light emitting element is shared, and the position of the door handle portion can be easily confirmed even in the dark.

  Further, in the device according to claim 3, in the door locking device according to claim 1 or 2, since the control circuit and the light emitting element are operated using the battery as a power source, it is necessary to wire a long cord for the power source. There is no.

  According to a fourth aspect of the present invention, in the door locking device according to the third aspect, the light emitting element is caused to emit light when the output voltage of the battery falls below a predetermined value. It can be accurately grasped.

  Further, in the device according to claim 5, in the door locking device according to claim 1, 2, 3, or 4, the lock is unlocked only when the biometric authentication device authenticates that the person is a regular registrant. The crime prevention effect improves because it was made to do.

It is a figure which shows the door locking apparatus which concerns on 1st Example of this invention. It is a perspective view of the door locking device of the first embodiment. It is a figure which shows a handle part. It is a figure which shows the control system of the door locking device of this invention. It is a figure which shows the door locking apparatus which concerns on 2nd Example of this invention. It is a figure which shows the door locking apparatus which concerns on 3rd Example of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a view showing a door locking device according to a first embodiment of the present invention, and FIG. 2 is a perspective view thereof. 1 and 2, 1 is a handle base, 2 is a handle tip, 3 is a light emitting unit, 4 is a key cylinder, 5 is a human body sensor, 6 is a latch bolt, 7 is a dead bolt, and 8 is a locking / unlocking mechanism. A lock box 9 is a front plate, and 10 is a screw hole for attaching the front plate 9 to a door mouth.

  As shown in FIGS. 3A and 3B, the handle portion is shown as (A) a plan view and (B) a bottom view, and a handle base portion 1 is coupled to a handle base portion 1 to form a door handle. The handle base 1 is made of a metal such as stainless steel and has a hollow inside. The lens 13, the light emitting element 14, and a control circuit 15 for controlling the light emission are accommodated therein. On the other hand, the handle tip portion 2 is formed in a solid rod-like body with a transparent resin such as acrylic resin, is fitted into the distal end portion of the handle base portion 1, and is fixed by screwing screws into the screw holes 11 and 12. Further, the outer surface of the handle tip portion 2 is covered with a light-shielding layer except for the light emitting portion 3. As a means for fixing the handle tip 2 to the handle base 1, a screw may be used instead of using a screw by cutting a screw at the inner end of the handle base 1 and the fitting portion of the handle tip 2.

  This door locking device is attached to a door of a building entrance, and opens and closes by operating a handle portion composed of a handle base portion 1 and a handle tip portion 2 to put in and out a latch bolt 6. A key cylinder 4 having a key insertion hole is provided outside the door in the vicinity of the handle base 1, and a thumb turn (not shown) is provided inside the door. The key and thumb turn inserted into the key cylinder 4 are provided. As a result of the above operation, the dead bolt 7 is taken in and out of the front plate 9 to lock and unlock the door.

  The human body sensor 5 functions as a human body detecting means for detecting that a person is present in front of the door. When the human body sensor 5 detects a person, the light emitting element disposed in the handle base 1 emits light to emit light. The part 3 shines so that the position of the door handle portion can be easily confirmed even in the dark. The door locking device of the present invention further includes locking detection means, which detects when the door is locked and causes the light emitting element to emit light so that the locked state of the door can be seen at a glance.

  FIG. 4 is a view showing a control system of the door locking device of the present invention. Reference numerals 4, 5, 14, and 15 correspond to those in FIGS. 1 to 3, 16 is a light-emitting element 14, a battery serving as a power source for the control circuit 15, and 17 is locked / unlocked by the key cylinder 4. A locking responsive switch 18 that is turned on and off is a key inserted into the key hole of the key cylinder 4. The battery 16 may be stored in the handle base 1 or in another space. However, it is necessary that the battery 16 can be easily replaced when the battery 16 is exhausted.

  When the human body sensor 5 detects a person, the control circuit 15 causes the light emitting element 14 to emit light. When the door is closed and the door is locked by the key 18, the locking responsive switch 17 is closed. When the locking responsive switch 17 is closed, the control circuit 15 causes the light emitting element 14 to emit light. At that time, if the light emitting element 14 is left to emit light, not only the battery 16 is consumed, but also the locked state of the door is known to a third party. After a time, for example, 5 seconds or 10 seconds, the light emitting element 14 is turned off.

  Further, when the output voltage of the battery 16 falls below a predetermined value so that the battery 16 can be replaced before the control circuit 15 becomes inoperable due to the progress of the discharge of the battery 16, the control circuit 15 detects it. Thus, the light emitting element 14 emits light. At that time, if the light emitting element 14 is blinked, it is possible to call attention more clearly.

FIG. 5 is a view showing a door locking device according to the second embodiment of the present invention. The reference numerals correspond to those in FIG. In this embodiment, the human body sensor 5 is provided on the front surface of the handle base 1. In this way, the human body sensor 5 can be housed in the handle base 1 integrally with the light emitting element 14 and the control circuit 15.

  FIG. 6 is a view showing a door locking device according to a third embodiment of the present invention. Reference numerals 1, 4, and 5 correspond to those in FIG. 1, 19 is a transparent bar made of a transparent acrylic resin or the like, and 20 is a bubble included therein. In this embodiment, the present invention is applied to a bar-type lock, and light emitting elements are provided in the upper and lower handle bases 1.

  When a human is detected by the human body sensor 5, one or both of the upper and lower light emitting elements emit light to notify the position of the lock. When the upper and lower key cylinders 4 and 4 are locked, the corresponding light emitting elements emit light to notify that they are locked. At that time, the light is reflected on the bubbles 20 to enhance the decoration effect.

  In addition, although the lock in each said Example demonstrated the case where the normal thing opened with a key was used, the lock of the type opened with a card key, or a biometric authentication device, ie, a fingerprint, an iris, a palm, and a finger, is used for a lock. A device that authenticates a person in the form of a vein or the like may be provided, and a lock that is unlocked only when the biometric authentication device is authenticated as an authorized registrant may be used. By doing so, the crime prevention effect is further improved.

  Further, in each of the above embodiments, the case where the handle of the door and the bar type lock are applied as the handle of the door has been described. However, the present invention can also be applied to doors of other handles such as a door knob. Further, in each of the above embodiments, the light emitting element 14 is housed inside the handle base 1 and light is emitted to the outside through the handle tip 2 and the transparent bar 19. You may make it light-emit by exposing directly to a door handle.

DESCRIPTION OF SYMBOLS 1 Handle base part 2 Handle tip part 3 Light emission part 4 Key cylinder 5 Human body sensor 6 Latch bolt 7 Dead bolt 8 Lock box 9 Front plate 10-12 Screw hole 13 Lens 14 Light emitting element 15 Control circuit 16 Battery 17 Locking switch 18 Key 19 Transparent bar 20 bubbles

Claims (5)

  A door handle comprising a handle base portion 1 and a handle tip portion 2; a lock for locking the door; a lock detecting means for detecting that the lock is locked; a light emitting element provided on the door handle; And a control circuit for controlling light emission of the element, wherein the light emitting element emits light for a predetermined time when locking is detected by the lock detecting means.   The door locking device according to claim 1, further comprising human body detection means for detecting that a person is present in front of the door, wherein the light emitting element emits light when the human body detection means detects a person.   3. The door locking device according to claim 1, wherein the control circuit and the light emitting element operate using a battery as a power source.   The door locking device according to claim 3, wherein the light emitting element is caused to emit light when an output voltage of the battery becomes a predetermined value or less.   5. The lock according to claim 1, 2, 3, or 4, wherein the lock includes a biometric authentication device, and is unlocked only when the biometric authentication device is authenticated as an authorized registrant. Door locking device.

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