KR100722551B1 - Locking system of a cabinet door - Google Patents

Abstract

According to the present invention, the cabinet door locking device has an inner space portion and a main body having a plurality of first locking holes, a hook installed at one side of the main body and having an opening formed between the main body and the end portion, and slidable in the inner space portion. A slider having a second locking hole corresponding to each of the first locking holes, the slider having a coupling part hinged to the main body, extending from the coupling part to block the opening, and the coupling part and the coupling part. The rotor extends and is hinged and coupled to the slider, characterized in that it comprises a lever member for moving the slider when opening and closing the opening.

Handle, Cabinet, Handle Swivel, Lock

Description

Locking system of a cabinet door

1 is a perspective view showing a cabinet equipped with a lock of a door according to the present invention,

Figure 2 is an exploded perspective view showing a cabinet door lock according to the present invention,

Figure 3 is a perspective view showing another embodiment of a cabinet door lock according to the present invention.

Figure 4 is a perspective view showing another embodiment of the cabinet door lock.

5 is a cross-sectional view showing a state of use of the cabinet door lock in Figure 3,

Figure 6 is a partially cutaway perspective view of a cabinet door lock according to the present invention.

The present invention relates to a handle lock, and more particularly, to a cabinet door lock having an improved handle locking structure of the cabinet door.

In general, a cabinet in which high-pressure gas, high-voltage power supply, high-pressure vacuum control device, and electronic communication equipment are installed indoors or outdoors. The cabinet is provided with a separate locking device in the door to prevent the occurrence of safety accidents, and to prevent operation by outsiders.

As described above, most of the locking devices installed in the doors of the cabinet are built in connection with the hinge shafts of the door handles, and key holes are formed in the hinge shafts to open and close the locking devices. However, since the locking device is installed in conjunction with the hinge shaft of the handle, there is a problem that the locking device is easily broken when rotating by applying an excessive force to the handle.

In view of this, Korean Patent Utility Model No. 20-0296148 discloses a lock device for a door handle. The lock device of the disclosed door handle includes a locking protrusion formed at a right angle to the lower bent portion of the handle and having a coupling hole formed at a center thereof, and a locking catching portion corresponding to the locking protrusion and attached to a predetermined region of the door. And the locking projection and the locking engaging portion is locked by a separate lock.

And the Republic of Korea Patent No. 10-0396766 discloses a door lock of the cabinet for electronic communication equipment. The disclosed door lock device is provided with a rotatable handle on the outside of the door, and an elastic fixing pin connected to the inside of the handle by the rotating pin of the handle is installed so that the elastic fixing plate is fixed or released on the main body side according to the rotation of the handle to close the door. When the elastic fixing plate has a configuration that is firmly fixed to the body side.

On the other hand, the cabinet as described above is provided with a locking device for fixing it to the handle for opening and closing the door, but because it is locked by one lock, blocking for cutting off the high-pressure power, high-pressure gas installed inside the cabinet In the case of construction work in connection with a device or a controller, the end point of construction is different depending on the work period and work field. Therefore, the point of time when you want to operate the blocking device or controller is different, the risk of a safety accident that can cause fatal damage to the workers who do not complete the operation if you operate the blocking device or controller at the time when all work in each field is not completed This is inherent.

The present invention is to solve the problems as described above, the cabinet door can be opened and closed at the time when all the work associated with the device installed inside the cabinet is completed, the cabinet can prevent accidents in advance Its purpose is to provide a locking device for the door.

Another object of the present invention is to provide a cabinet door locking device which is essentially prevented from breaking the locking device that can be generated by applying an external force to the handle by fixing the rotation of the door handle.

Locking device of the cabinet door of the present invention for achieving the above object

A main body having an inner space part and having a plurality of first locking holes formed thereon, and a hook installed at one side of the main body and having an opening formed between the main body and an end portion thereof

A slider slidably installed in the inner space and having second locking holes corresponding to the first locking holes;

A lever having a coupling part hinged to the main body and extending from the coupling part to block the opening, and a lever extending from the coupling part and the coupling part and hinged to the slider to move the slider when opening and closing the opening. It is characterized by being provided with a member.

Alternatively door lock of the present invention for achieving the above object,

A main body having an inner space having an open side and formed with a plurality of first locking holes, a first hook installed at one side of the main body and having an opening formed between the main body and an end portion;

A second hook hinged to the main body and coupled to the first hook to form a closed ring;

And a rotation member extending from the second hook and inserted into the inner space through the side of the fraud body so that the second hook is opened from the first hook when flowing into the area of the first locking hole. .

In the present invention, a second locking hole is formed in parallel with the first locking hole, and a gear member having a through hole corresponding to the second locking hole is formed in the main body, and extends from the rotating member to extend the first gear member. It is provided with a rack member to be engaged with.

Hereinafter, a preferred embodiment of a door lock of a cabinet according to the present invention will be described in detail with reference to the accompanying drawings.

The lock of the cabinet door according to the present invention is a blocking device for controlling the supply and interruption of high voltage power, a device for controlling the supply and interruption of high pressure gas or high vacuum pressure, a controller for controlling various mechanical devices and a predetermined system 1 to 3 illustrate an example of fixing a rotation of a door handle of a cabinet in which communication equipment and the like are installed therein.

Referring to the drawings, the locking device 30 of the cabinet door is coupled to the handle 21 installed in the cabinet 20 to fix the handle 21 for opening and closing the door 22 of the cabinet 20, A main body 33 in which the inner space 31 is formed in a longitudinal direction, that is, in a vertical direction, and a plurality of first locking holes 32 are formed, and fixed to one side of the main body 33 and formed in the handle 21. It is provided with a hook 34 having an opening 35 to be inserted into the first and second coupling holes 23a and 24a. Here, the hook 34 is formed in the shape of a ring opened on one side of the ring by a round bar member, but is not limited thereto. The slider 36 is slidably installed in the internal space 31 of the main body 33, and the slider 36 corresponds to each of the first locking holes 32 formed in the main body 33. Second locking holes 37 are formed. The slider 36 is elastically biased to the hook side by the spring 36a as shown in FIG.

And a lever member 38 rotatably installed on the main body 33 to open and close the opening 35 and to elevate the slider 36. (See FIGS. 2 and 3) The lever member 38 is a boss portion 38a hinged to the main body 33, a blocking portion 38b supported by the boss portion 38a to open and close the opening 35, and the boss portion 38a. A connecting portion 38c extending from the hinge 36 and hinged to the slider 36 to slide the slider 36 relative to the main body 33 when the lever member 38 for opening and closing the opening 35 is rotated. The first and second locking holes 32 and 37 coincide or are displaced. That is, when the lever member 38 is rotated and the opening 35 is blocked, the slider 36 is raised to coincide with the first and second locking holes 32 and 37, and the opening is rotated by the lever member 38. When the 35 is opened, the slider 36 is moved downward with respect to the main body to shift the first and second locking holes 32 and 37. To this end, it is preferable that the hinge shaft 38d is installed at the slider 36 and the long hole 38e is formed at the connecting portion 38c. A long hole 33a is formed in the main body 33 in the longitudinal direction, and a knob 33b is installed on the slider 36 through the long hole 33a to raise and lower the slider 36 with respect to the main body 33. have. Reference numeral 23 denotes a first protrusion having a first coupling hole 23a formed in the handle, and 24 denotes a first protrusion formed on the door and coupled to the first protrusion to fix the rotation of the handle. 2 projections 24.

Door lock device 30 of the cabinet according to the present invention configured as described above when the cabinet is connected to the high-voltage power, the high-pressure gas to be installed in the cabinet 20, the controller or the like connected to the controller Operation of the internal device installed in the inside of 20, that is, high-voltage, high-pressure gas, etc. in the state of blocking the construction of each lock according to the number of work is separated according to the work section, work field, and the door is closed. . In this state, the hook 34 of the door locking device 30 is inserted into the first and second coupling holes 23a and 24a of the first and second protrusions 23 and 24 to rotate the handle 21. Fix it. In this state, the locking members 101 of the locks 100 are formed in the main body and the slider, respectively, and are inserted into and fixed to the matching first and second locking holes.

As described above, after the work in the work area and the work section in the rotation of the door handle 21 is fixed, each lock 100 is released at the time when the work is finally completed, and the transfer member 32 To lower the rotation of the handle 23 by lowering the cabinet so that it can operate the internal device. At this time, even if one lock 100 is fastened to the main body 32, since the slider 36 does not move relative to the main body 32, the lever member 38 is not rotated so that the handle is operated. Since the door 22 cannot be opened.

Therefore, when the construction is carried out at the same time according to the field and work zone of the construction work, the specific work section or the specific work is terminated first, and the safety accidents derived from operating the device inside the cabinet 20, that is, safety accidents such as high pressure electric shock and gas leakage. Can be prevented.

4 and 6 show another embodiment of the cabinet door locking device according to the present invention.

Referring to the drawings, an inner space 42 having a through portion 41 formed therein is provided with a main body 44 having a plurality of third locking holes 43 penetrating through the inner space. And the first hook 45 is installed on one side of the main body 44, the second hook 46 which is hinged to the main body 44 and coupled to the first hook 45 to form a closed ring And, the second hook extending from the hinged second hook 46 is inserted into the inner space portion 42 through the through portion 41 formed on the side of the main body 44 when entering the area of the third locking hole The rotating member 47 is provided so that the 46 may be opened from the first hook 45.

6 shows another embodiment of a cabinet lock according to the present invention. The same reference numerals as the above embodiment indicate the same components.

Referring to the drawings, fourth locking holes 51 parallel to the third locking holes 43 are formed in the main body, and the fourth locking holes 51 correspond to the respective fourth locking holes 51 in the main body 44. At least one rotary gear member 53 having through holes 52 formed therein, and an arc rack gear 54 screwed to the rotary gear member 53 at an end of the rotating member 47.

In this case, the rotary gear member may be replaced by a lever rotatably installed in the main body 44. In this case, the rotary gear member may be connected to the end of the rotation lever corresponding to the hinge axis.

The door lock device 40 of the cabinet according to the present invention configured as described above prepares each lock 100 by the number of construction is separated according to the working field as in the embodiment, the door lock device 40 The hook 34 is inserted into the first and second engagement holes of the first and second protrusions 23 and 24 to fix the rotation of the handle 21. In this state, the locking members 101 of the locks 100 are formed in the main body and the slider, respectively, and are inserted into and fixed to the matched third locking holes or fourth locking holes.

As described above, after the work in the work area and the work section in the state in which the rotation of the door handle 21 is fixed, each lock 100 is released at the time when the work is finally completed, and the rotating member 47 The first and second hooks 45 and 46 are rotated to separate the cabinet lock from the first and second protrusions, and the door is opened. However, even if one lock 100 is filled in the third locking hole or the fourth locking hole, the pivoting lever 47 is not inserted into the internal space through the through part 41, so that the first and second hooks 45 are fixed. (46) does not open.

In particular, when one lock is filled in the fourth locking hole 51, the rotation gear member 52 does not rotate when the rotation lever 54 is rotated, so that the first and second hooks 45 and 46 are as described above. This will not happen. Therefore, the handle lock state of the cabinet door cannot be released, thus preventing a safety accident.

As described above, the cabinet door lock according to the present invention allows the operator to unlock the cabinet door by unlocking all the locks of the locks, so that the door can be opened and closed. The operation of the device can be fundamentally prevented and, as a result, safety accidents can be prevented.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (3)

A main body having an inner space part and having a plurality of first locking holes formed therein, and a hook installed at one side of the main body and having an opening formed between the main body and an end portion thereof; A slider slidably installed in the inner space and having second locking holes corresponding to the first locking holes; A lever having a coupling part hinged to the main body and extending from the coupling part to block the opening, and a lever extending from the coupling part and the coupling part and hinged to the slider to move the slider when opening and closing the opening. The door lock device of a cabinet characterized by including a member. A main hook having an inner space having a through portion formed at a side thereof, and having a plurality of third locking holes formed therein; a first hook installed at one side of the main body and having an opening formed between the main body and an end portion; A second hook hinged to the main body and coupled to the first hook to form a closed ring; And a pivot member extending from the second hook and inserted into the inner space through the side of the fraud body so that the second hook is opened from the first hook when entering the region of the third locking hole. Door lock. The method of claim 2, A fourth lock hole is formed in parallel with the third lock hole, and a rotating gear member having a through hole corresponding to the fourth lock hole is installed in the main body, and an arc-shaped rack extending from the rotating member to be engaged with the rotating gear member. Door lock of the cabinet, characterized in that the gear is provided.

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