JP2656678B2 - Electronic device front cover lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front cover lock device for an electronic device such as a passbook printer.

In recent years, the passbook printer has been required to speed up each operation of paper suction, printing, data reading / writing, and paper discharging in response to a demand for high speed, and furthermore, it is possible to perform each operation in parallel. It has been.

On the other hand, in such an apparatus, since the contents cannot be guaranteed if the cover is opened unconditionally during the processing, the cover is provided with a lock device which can be opened when the above operations are completed. Have been.

[0004]

2. Description of the Related Art Conventionally, in the lock device for a front cover, only one lock mechanism is provided, so that the front cover cannot be opened when the power supply of the device is turned off. The replacement operation has been performed by turning on the power of the apparatus or pressing the emergency key portion with a stick.

[0005]

However, such a conventional example has a disadvantage that ribbon replacement is very troublesome.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks. The front cover can be easily opened at the time of ribbon exchange and the like, and even when the passbooks are processed in parallel, normal processing is performed. It is an object of the present invention to provide a front cover lock device of an electronic device that can easily open the front cover without adversely affecting the processing of the passbook.

[0007]

According to the present invention, there is provided a locking device for a front cover 1 of an electronic device, as shown in FIG. A manual lock lever 2 for disengaging the lock, a lever operation detecting device 3 for outputting a signal in accordance with the operation of the manual lock lever 2, and receiving a signal from the detecting device 3 in accordance with a processing process of the passbook printer device. Determining means 4 for determining whether to permit opening of the front cover 1 and temporarily locking the cover 1 independently of the operation of the manual lock lever 2 according to the determination of the means 4. An automatic locking device 5 and a manual priority mechanism 6 for forcibly locking the automatic locking device 5 with the locking operation of the manual locking lever 2 are provided. It is accomplished by providing a front cover locking device of the child device.

[0008]

The opening of the front cover 1 is performed according to the following procedure. That is, when opening the front cover 1, the operator manually operates the manual lock lever 2 in the release direction indicated by the arrow in FIG. The operation of the manual lock lever 2 causes the lever operation detecting device 3 to operate, and the detection signal thereof is determined by the determination means 4.
The determination means 4 determines whether or not the opening of the front cover 1 can be permitted according to the processing process of the passbook printer, and if not permitted, transmits the signal to the automatic lock device 5 and permits the opening. The automatic lock device 5 is driven in the direction indicated by the arrow in FIG. 1 to maintain the locked state until the state becomes possible, and then the lock is released and the front cover 1 can be opened.

Next, when closing the front cover 1, the manual lock lever 2 is operated in the locking direction. By this operation, the manual priority mechanism 6 is operated, and at the same time, the automatic locking device 5 is shifted to the locked state regardless of the state thereof.
Will not be inadvertently released without going through the above-mentioned routine.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows an embodiment of the present invention. Reference numeral 8 denotes a lock release lever rotatably mounted around the fulcrum 7 and is urged downward by a spring 9. When the lock is released, when the lock release lever 8 is pushed in the direction of the arrow against the urging force of the spring 9, the lock release lever 8 rotates clockwise about the fulcrum 7 and the tip thereof is manually locked. Push down one end of lever 2.

The manual lock lever 2 has a fulcrum 10
, And the other end of the engaging portion 2a is pressed down by a spring 11, and normally engages a shaft 12 integrated with a front cover 1 of a passbook printer described later. The lock is performed by the portion 2a, and the lock of the shaft 12 is released by the pressing by the lock release lever 8. The operation of the lock release lever 8 is detected by a microswitch serving as the lock operation detection device 3, and a signal indicating that the manual lock lever 2 has been released is transmitted to the determination unit 4.

A judgment means 4 comprising a microcomputer which receives this signal judges the operating state of the passbook printer and turns on or off the electromagnet 13. When the passbook printer is in operation (opening of the front cover 1). In the prohibition state, the electromagnet 13 is excited to lock the shaft 12 by the automatic lock lever 14 separately from the above-described operation. That is, the automatic lock lever 14 is
Separate from the manual lock lever 2 and at the fulcrum 15
, And the end having the engaging portion 14a is urged upward by the spring 16 to open the shaft 12 in the normal state. When the electromagnet 13 is excited by a signal from the determination means 4, one end of the automatic lock lever 14 is attracted to the electromagnet 13 to lock the shaft 12, and even if the manual lock lever 2 is released, the front cover 1 is released. Can not be released.

The manual lock lever 2 is provided with a pressing member (manual priority mechanism 6). The pressing member 6 forcibly rotates the automatic lock lever 14 in the lock direction with the rotation of the manual lock lever 2 in the lock direction, and the automatic lock lever 14 is in either the locked state or the unlocked state. Even so, the automatic lock lever 14 is moved to the locked state.

FIG. 2 shows an operation flow of the lock device configured as described above. The lock operation detecting device 3 monitors the operation of the manual lock lever 2 in the release direction in step 30, and when the operation is detected,
Determines whether or not the front cover 1 of the apparatus may be opened according to the processing state of each passbook being processed, that is, whether or not it is necessary to lock the shaft 12 by the operation of the electromagnet 13 shown in FIG. (Step 31). As a result, if it is not possible to open the front cover 1 while any passbook is being processed, the shaft 12 needs to be locked, and the microcomputer 4 sends an ON signal from the microcomputer 4 to the electromagnet 13 to automatically lock. The shaft 14 is locked by sucking the lever 14. If the lock state is maintained, the process of the passbook is usually separated in about several seconds, so that the step is determined not to need to be automatically locked, and the process proceeds to step 32. I do. That is, the lock of the shaft 12 is released by turning off the electromagnet 13, and the operator can pull out and open the front cover 1.

On the other hand, when the pressing force on the lock release lever 8 is released from this state, the manual lock lever 2 returns to the original position by the restoring force of the spring 11, locks the shaft 12, and releases the manual lock lever 2. With the operation, the automatic lock lever 14 is also forcibly shifted to the lock position.

Although the configuration of the present invention is clear from the above description, FIGS. 3 to 9 show a side view of the entire passbook printer and a main part mechanism for reference. Reference numeral 17 denotes a lock mechanism, and reference numeral 18 denotes a passbook printer main body.

[0017]

As is apparent from the above description, according to the present invention, the front cover can be easily opened at the time of ribbon exchange and the like, and even in an apparatus for processing passbooks in parallel, It is possible to prevent the passbook processing during normal processing from being adversely affected.

Further, since the automatic lock device is locked in conjunction with the locking operation of the manual lock lever, even when the manual lock lever is operated continuously, the lock is inadvertently released without going through a regular routine. The lock is not locked, and the reliability of the lock can be improved.

[Brief description of the drawings]

FIG. 1 is a diagram showing an embodiment of the present invention.

FIG. 2 is a diagram showing a flow of operation.

FIG. 3 is a side view of the passbook printer.

FIG. 4 is a left side view.

FIG. 5 is a left side view after operation.

FIG. 6 is a right side view before operation.

FIG. 7 is a right side view after the operation.

FIG. 8 is a front view.

FIG. 9 is a plan view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front cover 2 Manual lock lever 3 Lock operation detecting device 4 Judgment means 5 Automatic lock device 6 Manual priority mechanism

Claims (1)

(57) [Claims] 1. A lock device for a front cover (1) of an electronic device, comprising: a manual lock lever (2) for manually unlocking the front cover (1); and a manual lock lever (2) for locking the manual lock lever (2). A lock operation detecting device (3) for outputting a signal in accordance with an operation; and a front cover according to a process of the passbook printer device in response to a signal from the detecting device (3).
Determining means (4) for determining whether or not to permit opening of (1);
The manual lock lever according to the judgment of the means (4)
The automatic locking device (5) for temporarily locking the cover (1) independently of the operation of (2), and the automatic locking device (5) is forcibly forced by the locking operation of the manual lock lever (2). A front cover lock device for an electronic device, comprising a manual priority mechanism (6) for performing a locking operation.