JPH11312875A - Locking mechanism for case of electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an enclosure for electronic equipment which is capable of protecting the incorporated electronic equipment from shocks, when a system is stopped and an input-out device bay from unauthorized actions, and can prevent the incorporated equipment from being stolen. SOLUTION: A locking mechanism for enclosure of electronic equipment is constituted, in such a way that (1) a key cylinder 41 is attached to the front face of a front panel 31, (2) a bent section and a spring are attached to the key plate 43 of the key cylinder 41 and a lock plate 43 which rotates upward from the key cylinder 41 at positions shifted in phase from a pawl and fulcrum by 180 deg., and (3) a hole is bored through the side face of a small door 21 so that the key plate 43 enters into the hole. Then (4) an L-shaped plate is provided above the back of the front panel 31 and a pawl is provided to the front end of the L-shaped plate, and in addition, a spring hinge, an L-shaped fitting, and a pawl are provided below the back of the panel 31 and the fitting and pawl are inserted into the holes made to the upper and lower sections of the front face of the main body of electronic equipment and (5) the end section of the key cylinder 41 is positioned at a position at which the end section can press down the L-shaped fitting located below the front panel 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic apparatus characterized by taking into account the maintainability and operability of an input / output device with a lock mechanism on a front panel portion with respect to protecting a storage portion of a control device from theft. Housing structure.

[0002]

2. Description of the Related Art As a work workstation for business use in an office, a bank, or the like, a desktop small-sized control device represented by a desktop PC or the like has become mainstream. These are those that hold corporate data internally as devices become larger, faster, and smaller, and serve as a server on a network as a client-server system to manage corporate data on a large scale. There is also. Therefore, in order to protect the storage portion of these control devices from theft, it is common to provide a lock mechanism especially on the front panel portion. This conventional example is disclosed in Japanese Patent Application Laid-Open No.
No. 6 report.

[0003]

Generally, all the display units and operation units of the above-mentioned small terminal control device are collected on a front panel. This is because, in the case of a desk-top device, a display is placed on the top surface, and adjacent devices are arranged on the left and right sides, and the top and both sides are considered to be blocked. . Typical operation units on the front panel include a power breaker, a power switch, and a file bay such as an FD, a CD-ROM, and an MO as input / output devices, and a display includes a power LED, a DK access LED, and the like. . In addition, the disk which is an internal storage part is arranged near the back of the front panel, and the number of disks which can be easily replaced or expanded through the detachment of the panel is increasing.

In a client server system, these small terminal control devices are not only used as clients but also sometimes serve as servers. For example, it is responsible for important functions on the network such as a data server, a mail server on communication, and a printer server. At the same time, it may have a stand-alone man-machine interface.

[0005] From the above, when the small terminal control device is intended to be used for a server, the following protection functions to be provided on the front panel can be considered.

(1) Protection of System Stop When the small terminal control device is functioning as a server, if the power is turned off, the process goes to a termination process, the server goes down, and the entire network is stopped. If the power breaker is turned off except during an emergency, the disk may be damaged and customer data may be destroyed.

Therefore, it is necessary to prevent a third party from touching the power switch / breaker unit.

(2) Protection of the input / output device bay from illegal activities If the input / output device bay is exposed on the front side, there is a possibility that an unmanaged program or the like may be installed or internal customer data may be copied. There is. In the former case, there is a possibility that application software (middleware or the like) under network management is cut off by an installed application or a server function is lost due to a failure. In the latter case, customer data leaks, leading to information theft.

Therefore, it is necessary to prevent the third party from touching the input / output bay.

(3) Protection of Internal Storage Medium (Disk) If the disk can be easily maintained, the disk itself may be stolen at the same time. Therefore, it is necessary to protect the lock or the like so that a third party cannot remove it.

When considered as a server as described above,
Usage restrictions can be imposed. For example, the power switch is ON for 24H operation in the case of a server
Most of the startup methods include keeping the status as it is, turning it on and off with a timer, and turning it on and off from the main server via a network, and there is no concern about deterioration in operability due to protection. However, in the case of a client, the power switch is manually turned on / off manually in the morning and evening, which is overwhelmingly large, and the input / output device bay is frequently used for data transfer or new application installation.

When the small terminal control device is intended to be used by both a server and a client, in order to satisfy these conditions, a small door is provided to protect a power supply and an input / output device bay. Attach a lock key to. It is preferable to change the key number and key type between the case where the key is not normally touched for the server and the case where the key is normally touched for the client. In terms of disk protection,
Further, it is preferable to provide a lock key on the front panel, but if this is not done, two key holes can be formed on the front panel, which makes the appearance design unfavorable and complicates key management. Further, since the key portion closes the ventilation portion of the front panel, there is a problem in terms of internal cooling if there are two locations. Therefore, it is necessary that all these operations can be performed with one key.

As described above, the present invention provides a small terminal control device which can be used for both a server and a client for the purpose of protecting the system from being stopped, protecting the input / output device bay from tort, and preventing the built-in device from being stolen. It is in.

[0014]

To achieve the above object, the following five means are provided.

(1) A key cylinder is attached to the front of the front panel.

(2) A bent portion and a spring are attached to the key plate of the key cylinder and the lock plate that rotates above the key cylinder at positions shifted by 180 ° from the pawls and the fulcrum, thereby restricting the rotation direction to one direction.

(3) A hole is provided in the side surface of the small door so that the bent portion of the key plate enters.

(4) An L-shaped plate is provided at the upper portion of the back of the front panel and a claw is provided at the tip thereof, and a spring hinge, an L-shaped bracket and a claw are provided at the lower portion, and both are provided above and below the front of the main body. Getting into the hole.

(5) The end provided on the key cylinder is arranged at a position for holding the L-shaped bracket under the front panel.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIG.
An example in which the lock mechanism of the electronic apparatus according to the present invention is applied to the front panel of a small terminal control device will be described with reference to FIGS.

This small terminal control device comprises a main body 1 and a front panel as shown in FIG. 1, and the front panel comprises a front panel 31 and a small door 21.
The operation section of the front panel 31 includes a power breaker 7.
Power switch 8, Reset switch 9, Power LED 10 and DK access LED 11 as display unit, FD file bay 12 as input / output device, CD-ROM
-Provide a file bay 13 such as MO. The small door 21 and the front panel 31 are molded products made of a resin material such as ABS, and the separated surfaces are provided with a battery 16, a cooling fan 15, and a CD on the body behind the front panel as shown in FIG.
-ROM, DK, and FD are mounted and fixed. In addition, a small door claw 22 is provided below the small door 21 so that a front panel 31 is provided.
The small door 21 is rotated with the bar 32 as a fulcrum.

First, the structure of the small door lock mechanism is shown in FIGS.
This will be described with reference to FIG. The key cylinder 41 is inserted into a key hole 45 provided in the center of the front panel 31 and fixed from the back of the front panel 31 with a large nut 42, and the key plate 43 is fixed to the tip of the key cylinder 41 with a small nut 44. . When the key cylinder 41 rotates according to this structure, the key plate 43 also rotates. The small door lock plate 61 is fixed to the stepped boss 33 at the upper part of the key cylinder 41 with the screws 63, and the small door lock plate 61 is fixed by screws 63, and the fixed portion is used as a fulcrum (corresponding to the fulcrum A65 in FIG. 6). Also be able to rotate. The lower bent portion 66 of the small door lock plate 61 is positioned within the rotation locus of the key plate 43 so as to receive the rotation of the key plate 43. The position where the phase is shifted by 180 ° and the rib 19 provided on the back surface of the front panel 31 are joined by a spring 64 from a portion where the small door lock plate 61 operates, and
To the left. At this time, the upper bent portion 67 is inserted into the side hole 23 provided in the small door 21 under the control of the spring 64.

To fix the front panel 31 to the main body 1, a panel guide fitting 56 and a lock fixing plate 51 shown in FIGS. 3 and 5 are used. The panel guide fitting 56 is provided with a screw 57 on the upper boss 34 provided on the upper rear surface of the front panel 31.
Then, insert the claws 18 into the square holes 17 in the upper part of the main body. The lock fixing plate 51 is fixed to a lower boss 35 provided at a lower rear portion of the front panel 31 with a screw 54. A spring hinge 52 is attached to the lock fixing plate 51, and a lock movable plate 53 is fixed to the other end with a screw 55.
9 is hooked on the notch 14 of the main body 1.

Next, the operation of the lock mechanism having the above configuration will be described. First, the lock between the small door 21 and the front panel 31 is as follows. With the above configuration, the upper bent portion 67 of the small door lock plate 61 is inserted into the hole 23 on the side surface of the small door 21. If the spring 64 presses in the direction in which the upper bent portion 67 is inserted in this state, Upper door 67 is small door 2
1 remains fixed. Therefore, the small door 21 cannot be moved and enters the locked state.

On the other hand, the lock of the front panel is as follows. When the lock movable plate 53 is fixed by the end surface 46 of the key plate 43 in a state where the lock movable plate bent portion 59 of the lock fixing plate 51 is hooked on the cutout portion 14 of the main body 1 by the above-described configuration, the lock is movable from below. Even if the plate portion bending portion 58 is pressed with a finger or the like, the lock movable plate bending portion 59 cannot be removed from the notch portion 14. Thus, locking of the panel is achieved.

Finally, the unlocking operation will be described.

To unlock the small door, proceed as follows. When the key is rotated by 90 ° as shown in FIG. 7, the key plate 43 rotates, and the end face of the key plate 43 comes into contact with the bent portion 66 of the small door lock plate 61. Under the action, the small door lock plate 61 rotates around the fulcrum A65 in a direction opposite to the rotation of the key plate 43, and the bent portion 67 of the small door lock plate 61 that has entered the hole 23 on the side surface of the small door 2 is rotated. It comes off from the side hole 23 of the small door 21. Accordingly, the small door 21 is unlocked, and the small door 21 can be opened.

To release the lock of the front panel 31, when the key plate 43 is rotated as described above, a gap is formed between the end surface 46 of the key plate 43 and the lock movable plate 53. In this state, the partially bent portion 58 is pushed up with a hand, a finger or the like from the outside. Then, it rotates about the spring hinge 52 as an axis, and the lock movable plate bending portion 59 is moved to the main body notch portion 1.
4 and the fixation is released. At the same time, as shown in FIGS. 2 and 5, the front panel can be removed by rotating the panel guide metal fitting 56 as a fulcrum, pulling the lower part forward, and lowering the front panel 31 downward.

[0029]

According to the present invention, protection of system stoppage
This protects the I / O device bay from fraudulent acts, prevents the built-in equipment from being stolen, has a good external design, secures a cooling ventilation area, and has the effect of improving maintainability and operability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state where a small door 21 is opened.

FIG. 2 is a perspective view of a state where a front panel 31 is removed.

FIG. 3 is a configuration perspective view of a lock mechanism.

FIG. 4 shows a key cylinder 41 and a small door lock plate 61.
Cross section of mounting part

FIG. 5 is a sectional view of a mounting portion of the lock movable plate 53 and the panel guide fitting 56;

FIG. 6 is a front panel 3 on which a lock mechanism is mounted.
1 rear view

FIG. 7 is a rear view showing a state where a lock mechanism is released.

[Explanation of symbols]

1: body, 21: small door, 22: small door claw, 23: side hole,
31: front panel, 32: bar, 33: stepped boss,
34: upper boss, 35: lower boss, 41: key cylinder, 4
2: Large nut, 43: Key plate, 44: Small nut, 45: Key hole, 46: End face, 51: Lock fixing plate, 52: Spring hinge, 53: Lock movable plate, 5
4: screw, 55: screw, 56: panel guide fitting, 5
7: screw, 58: bent portion of lock movable plate, 59: bent portion of lock movable plate, 61: small door lock plate, 62: spacer, 63: screw, 64: spring, 65: fulcrum A, 6
6: upper bent portion, 67: lower bent portion, 7: power breaker, 8: power switch, 9: reset switch, 10:
Power LED, 11: DK access LED, 12: FD file bay, 13: File bay such as CD-ROM / MO, 14: Notch of main body, 15: Cooling FAN, 16: Battery, 17: Square hole, 18: Claw , 19: Rib

Claims (4)

[Claims] In a lock mechanism of an electronic device housing provided with a key cylinder in front of a front panel of a control device, a claw, a fulcrum, and a 180 are provided on a key plate of the key cylinder and a lock plate rotating above the key cylinder. A locking mechanism for a housing of an electronic device, wherein a bending portion and a spring are mounted at positions shifted in phase, and a rotation direction thereof is regulated in one predetermined direction. 2. A lock mechanism for an electronic device housing according to claim 1, wherein a hole is provided in a side surface of the small door so that a bent portion of the key plate is inserted. 3. The locking mechanism for an electronic device housing according to claim 1, wherein an L-shaped plate is provided at an upper portion of a back surface of the front panel and a claw is provided at a tip thereof, and a spring hinge, an L-shaped bracket and a claw are provided at a lower portion. A lock mechanism for the housing of an electronic device, characterized in that both of these enter into holes provided above and below the front of the main body. 4. An electronic device housing according to claim 2, wherein an end provided on the key cylinder is arranged at a position for holding an L-shaped metal fitting under the front panel. Lock mechanism.