JPH07602Y2 - Surface-mounted electric locking / unlocking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an improvement of a surface-mounted electric locking / unlocking device.

[Conventional technology]

Recently, electric unlocking devices have been widely used that are equipped with electric locks at the entrances and gates of houses, etc., and are operated by remote control from an electric lock operating device installed inside the house. .

Such an electric locking / unlocking device, as shown in FIGS. 6 and 7, has a lock housing 101 having a dead bolt 101a.
Is mounted on the indoor surface side of the door, and further, a strike 110 that engages with the dead bolt 101a of the lock housing 101 is mounted on the indoor surface side of the door frame 109, and the lock housing 101 is an electric lock supplied with AC power from the outside. Wiring from controller 107 102, 105, 106
Power is supplied through the relay terminal 104 attached to each of the door 100 and the door frame 109, and the upper part of the door 100 and the door frame.
A door opening detection switch 103 for detecting the open / closed state of the door is provided at the corresponding portion of 109.

However, in such an electric locking / unlocking device, the wiring work is troublesome due to the addition of the door opening detection switch 103, and since the wiring extends from the door frame 109 side to the door 100, the door opening detection switch 103 It was necessary to branch the wiring.

Further, in such an electric locking / unlocking device, there is also a problem that a large current flows and the cheat switch is welded if the electric lock driving power source is mistakenly connected to the connection terminal of the door opening detection switch 103. In such a locking / unlocking device, when the power is supplied, the dead bolt 101 of the lock housing 101 is always operated by the operation of the electric lock operating device 108.
Since a can be retracted, there is also a problem of displaying the locked state (so-called blank lock) even when the dead bolt 101a is not engaged with the strike.

[Problems to be solved by the invention] The present invention eliminates the need for special wiring and relay equipment required for door-opening detection switches, and can also solve the problem of empty locks The purpose is to provide.

[Means for Solving the Problems] The surface-mounted electric locking / unlocking device of the present invention, which is proposed to achieve the above object, is characterized by the following configuration.

That is, the surface-attached type electric locking / unlocking device proposed in claim 1 has, on the lock housing side, an energizing contact terminal for supplying power to the actuator in the lock housing at the side end surface where the dead bolt appears and disappears. A current-carrying protrusion is provided, and one strike side is provided with a current-carrying part having a current-carrying terminal corresponding to the current-carrying contact terminal of the current-carrying protrusion on the lock housing side. It has a structure for supplying electric power for driving, and in particular, a fitting recess is formed on the end surface of the lock housing on which the dead bolt protrudes, and the fitting recess is supported by a spring, and the actuator is An energizing protrusion is provided with an energizing contact terminal for supplying power to the lock housing, while the strike side is fitted into the energizing protrusion on the lock housing side, and the energizing contact terminal on the lock housing side is provided. Inserted to form a window portion, and in that a conductive portion having a conduction contact pin approaching and moving away from the conduction contact pin inside of the housing side of the window portion and the structural features.

The present invention proposed in claim 1 is used as an improved type of the conventional surface-mounted locking / unlocking device in which the dead bolt is retracted from one side end of the lock housing.

Further, in the surface-attached type electric locking / unlocking device proposed in claim 2, the lock housing side is energized to supply power to the actuators in the lock housing on the side end surfaces on which the dead bolts alternately project and retract. A current-carrying protrusion having a contact terminal is provided, and one strike side is provided with a current-carrying portion having a current-carrying contact terminal corresponding to the current-carrying contact terminal of the current-carrying protrusion of the lock housing. The power supply for driving the electric lock is externally supplied to the lock housing, and the current-carrying protrusion provided on the lock housing side and the current-carrying portion provided on the strike side are the same as those in claim 1. It has various structural features.

The present invention proposed in claim 2 is used as an improved surface-mounted locking / unlocking device of a type in which dead bolts are alternately projected and retracted from both ends of the lock housing so that the doors can be handled in different ways. There are two types of current-carrying parts with one strike-side engaging part, one with two strike-side current-carrying parts, and the like. It is included in the embodied form.

[Operation] In the present invention of claim 1, when the door is closed, the current-carrying portion provided on the strike side is fitted into the fitting recess of the current-carrying projection provided on the lock housing side. The energizing contact terminal supported by the spring provided in the fitting recess of the housing is inserted into the window provided on the strike side against the elastic force of the spring, and both keep the contact state. Therefore, in this state, power can be externally supplied to the actuator incorporated in the lock housing, so that the dead bolt can be driven only when the door is closed.

Also, by applying this principle and adding a means to detect the opening of the circuit up to the lock housing on the electric lock controller side, it is possible to display the door open without a separate door open detection switch. Becomes

According to the present invention of claim 2, by combining with a strike, it is possible to easily deal with doors of different hand, and the operation of claim 1 can be achieved.

[Embodiment] The present invention will be described below based on an embodiment shown in the drawings.

FIG. 1 shows an embodiment of an electric locking / unlocking device with a surface according to claim 1, and FIG. 2 shows an example of its construction.

The electric locking / unlocking device of the present invention, as shown in FIG. 2, is similar to the conventional electric locking / unlocking device in that it has an electric lock controller 3 for supplying power to the lock housing 1 and a remote control. The operation device 4 is added and attached.

The lock housing 1 forming the main body of the electric lock is attached to the inner surface side of the door D as shown in FIG.
The dead bolt 12 is retracted from the side end of 11 and fitted into the engaging portion 22 of the strike 2 attached to the door frame E side to lock the dead bolt 12, and the dead bolt 12 is retracted from the engaging portion 22 to lock. I am supposed to do it.

A rotary solenoid (not shown) as an actuator for reversing and driving the dead bolt 12 for locking and unlocking is built in the lock housing 1, and this rotary solenoid is provided between the yokes around which coils are wound. By arranging a rotor on the coil and applying a reversed voltage to this coil, the rotor is switched to the left and right, and the arm fixed to this rotor shaft locks the dead bolt 12 with the lock housing 1.
It has a structure that allows it to sink further.

In addition, an energizing protrusion 13 is formed on the upper part of the end surface of the lock housing 1 on which the dead bolt 12 protrudes, and drive power is supplied to the actuator in the cover portion 13b that constitutes the energizing protrusion 13. An energizing contact terminal 13a is provided, and a fitting recess 13d is further provided on the indoor side surface of the cover portion 13b.

The energizing contact terminal 13a has a through hole 13c formed in the cover 13b.
Is biased by a spring 13f so as to project into the fitting recess 13d from the fitting recess 13d, and a fixed permanent magnet 13e projects from the inner surface of the fitting recess 13d. Reference numeral 14 is a thumb turn for operating the dead bolt 12 from the room.

One of the strikes 2 is adapted to be attached to the door frame E, and the energizing portion 21 for supplying power is provided on the upper portion of the mounting plate 23.
An engaging portion 22 having a hole portion 22a into which the dead bolt 12 is fitted is provided in the lower portion.

The energizing portion 21 is provided such that the energizing contact terminal 21a corresponding to the energizing contact terminal 13a of the energizing protrusion 13 on the lock housing 1 side and the iron piece 21b are housed in the cover 21c portion. Is arranged so as to be exposed from the window 21d of the cover 21c, and a guide taper 21g is formed in the window 21d.

Further, the iron piece 21b is elastically contacted with the inner wall surface of the cover 21c by the spring 21c, and is arranged so as to be exposed from the central window portion 21f of the cover 21c.

Such an energization contact terminal 21a is connected to the electric lock controller 3 by wirings 1 and 12 and is supplied with power for driving the electric lock.

In the electric locking / unlocking device having such a configuration, the electric lock controller 3
If a function for detecting that the wiring 1 to the lock housing 1 is opened is provided on the side, the door opening display can be performed.

The magnet 13e provided on the current-carrying protrusion 13 of the lock housing 1
And, the iron piece 21b provided on the current-carrying part 21 of the strike 2 is effective for surely closing the door and smoothly contacting both the current-carrying contact terminals 13a and 21a. Although not necessarily required, when such a means is provided, the energizing contact terminals 13a and 21a elastically contact with each other by a spring force, so that no connection failure occurs. When the energizing contact terminal 13a and the energizing contact terminal 21a elastically contact with each other, the iron piece 21b is pushed by the permanent magnet 13e and retracts against the spring force, whereby the permanent magnet 13e collides with the iron piece 21b. However, there is an effect that the impact is not transmitted to other parts.

Next, the operation of the present invention will be described.

When the door D is opened as shown in FIG. 3 (a), the energizing contact terminal 13a of the energizing protrusion 13 of the lock housing 1 and the energizing contact terminal 21a of the energizing portion 21 of the strike 2 separate from each other, so that the lock housing 1 Is not supplied with power.

However, when the door D is closed, the current carrying part 21 of the strike 2 is
Is fitted into the fitting recess 13d of the energizing projection 13 of the lock housing 1 as shown in FIG. 3 (b), and the permanent magnet 13e is magnetically attached to the iron piece 21b to energize the energizing contact terminal 13a. Since the contact 21a comes into contact with the actuator, power is supplied to the actuator, and the locking / unlocking operation can be performed.

Therefore, in this state, by sending a locking / unlocking signal from the electric lock operating device 4 or the like, the dead bolt 12 in the lock housing 1 can be fitted into the engaging portion 22 of the strike 2 or retracted.

4 and 5 show an example of the second invention.

The type shown in FIG. 4 is of a type in which the dead bolts 12 are alternately projected from both side surfaces of the lock housing 1, and the conducting projections 13 provided with the conducting contact terminals 12a on the upper portions of both side surfaces thereof. Is formed in a protruding manner, and two engaging portions 22 are doubly formed at the other end of the mounting plate 23 of the one strike 2.

In such a case, by selecting the energizing protrusions 13 provided on the left and right side end surfaces of the lock housing 1 and the engaging portions 22 provided on the strike 2 in a double manner, even for doors of different conveniences. Easy to apply. The structure of the other parts other than the current-carrying protrusion 13 on the lock housing 1 side and the current-carrying part 21 on the strike 2 side is the same as in the first aspect of the present invention, so a description thereof will be omitted.

FIG. 5 shows that only one engaging portion 22 on the side of the strike 2 is formed in the center of the mounting plate 23, and a pair of energizing portions are provided at both upper and lower ends of the mounting plate 23.
21 is formed facing each other.

In such a case, by selecting the energizing protrusions 13 provided on the left and right side end surfaces of the lock housing 1 and reversing the strike 2 upside down and selecting the energizing portion 21, the same as that shown in the fourth illustration. It can easily handle even doors with different hands.

[Effect of device]

According to the present invention as set forth in claim 1, it is possible to reliably lock the door only when the door is closed, so that it is possible to prevent the empty lock.

Moreover, if a means for detecting that the electric circuit up to the lock housing is opened is added to the electric lock controller side using such a principle, a simple electric wiring operation without the door opening detection switch is required. A lock system is realized. Further, according to the present invention, the structure is such that the current-carrying contact terminal is housed in the fitting recess of the current-carrying projection on the lock housing side, and the current-carrying contact terminal on the strike side that comes into contact with the current-carrying contact terminal is the lock housing. It is provided inside the window portion into which the current-carrying contact terminals on both sides are inserted, and the structure is such that both current-carrying contact terminals are not exposed on the surface.

Therefore, a person does not feel an electric shock by touching or ignite by contact with a metal door, which is also excellent in safety.

Further, since only the energizing contact terminal on the lock housing side is movable, there is an advantage that the structure is simple and can be provided at low cost.

According to the present invention of claim 2, it is possible to easily deal with doors of different hand, and it is possible to obtain the effect of claim 1.

[Brief description of drawings]

FIG. 1 is an external configuration diagram of a surface-mounted electric locking / unlocking device of the first invention, FIG. 2 is a configuration diagram showing its mounting state, and FIGS. 3 (a) and 3 (b) are explanatory diagrams for explaining the operation. Part longitudinal sectional view, 4th
FIG. 5 and FIG. 5 are external structural views of the surface-mounted electric locking / unlocking device of the second invention, and FIGS. 6 and 7 are explanatory views of the mounting state of the conventional surface-mounted electric locking / unlocking device. . [Explanation of symbols] 1 …… Lock housing 12 …… Dead bolt 13 …… Energizing protrusion 13a …… Energizing contact terminal 2 …… Strike 21 …… Energizing part 21a …… Energizing contact terminal 22 …… Engagement Part D …… Door E …… Door frame

Claims (2)

[Scope of utility model registration request] 1. A lock housing which is attached to an inner surface of a door and has an actuator therein, and a dead bolt is projected and retracted from a side end surface by energizing the actuator, and the lock housing. Correspondingly, a surface locking / unlocking device is attached to the inner surface side of a door frame or the like, and is combined with a strike having an engaging portion into which a dead bolt protruding from the lock housing is fitted when locking. , A fitting recess is formed on the end surface of the lock housing on which the dead bolt protrudes, and the fitting recess is supported by a spring and has an energizing contact terminal for supplying power to the actuator. A locking projection is provided, and at the same time, the strike is inserted into the fitting recess of the locking projection on the locking housing side, and the locking contact on the locking housing side is inserted. A window portion is formed, and an energizing portion having an energizing contact terminal that comes into contact with and separates from the energizing contact terminal on the housing side is provided inside the window portion. Surface-mounted electric locking and unlocking device with a structure to supply power for 2. A lock housing attached to the inner surface of the door, having an actuator therein, and energizing the actuator so that dead bolts are alternately projected and retracted from both end surfaces of the lock housing. A surface mounted electric solution that is attached to the inner surface of the door frame or the like corresponding to the housing and is configured in combination with a strike having an engaging portion into which the dead bolt protruding from the lock housing is inserted when locking. In the locking device, fitting recesses are formed on both end surfaces of the housing where the dead bolts project, and in the fitting recesses, energizing contact terminals for supplying power to the actuator are supported by springs. A pair of current-carrying protrusions having the above-mentioned structure are provided to the strike, and the strike is fitted into the fitting recess of the current-carrying protrusion on the lock housing side. The side of the strike side is energized by forming a window portion into which the energizing contact terminal on the side of the housing is inserted, and the energizing portion having an energizing contact terminal that contacts and separates from the energizing contact terminal on the side of the housing inside the window portion. A surface-mounted electric locking / unlocking device with a structure for supplying power to the contact terminal for driving the electric lock from the outside.