KR100864701B1 - Switchboard door locking system - Google Patents

Abstract

A switchboard door locking device is provided to prevent an electric shock by adjusting a door locking state and enabling a user to unlock the switchboard door. A fixing body(100) is a tube member coupled to a door, and has a door stopping unit on an end unit to be stopped to the door. A fixing nut(200) is inserted into and coupled to the fixing body with a screw, and couples the fixing body to the door. A locker(300) has a locker knob. A locker upper part of a circular shape is installed on a side of the locker knob. The locker has a key hole which penetrates the locker knob and the locker upper part. A rotation body(400) is inserted into the fixing body, and is a rotation member coupled to the locker. A key checking pin(500) is inserted into a key checking pin fixing hole. A rotation body fixing pin(600) is inserted into the fixing hole of the rotation body fixing pin. A door lock stopping unit is installed on a locking body insertion space unit of the rotation body. A locking key(800) is inserted into a key connection groove of the rotation body through the key hole of the locker. A rotation body locking unit(900) is installed on the key connection groove of the rotation body, and fixes the rotation body.

Description

Switchboard door locking system

1 is an installation cross-sectional view showing a door lock of a conventional switchboard;

Figure 2a and 2b is a perspective view of the door lock device of the switchboard according to an embodiment of the present invention,

3 is an exploded perspective view of FIG. 2A;

Figure 4a is a cross-sectional view when the locking key is not fastened in Figure 3,

Figure 4b is a cross-sectional view of the coupling state when the locking key of Figure 3,

Figure 5a is an enlarged view of the fixed body shown in FIG.

5B is a cross-sectional view of FIG. 5A;

6a and 6b are enlarged views of the rocker shown in FIG.

7 is an enlarged view of the rotating body shown in FIG.

8 is a coupled state of the door locking latch shown in FIG.

9 is an enlarged view of the locking key shown in FIG. 3;

Figure 10a is an enlarged view of the rotating body fixing pin adjustment key shown in Figure 3,

10B is an enlarged view of the adjustment key locking ring shown in FIG. 3;

11 is an installation state diagram of FIG. 2A.

<Explanation of symbols for main parts of the drawings>

10: switchboard door 20: switchboard frame

100: fixed body 110: door locking stage

120: key confirmation pin fastening groove 130: rotating body fixing pin fastening groove

140: rotation radius adjustment groove 150: fixed body fastening ring insertion groove

200: fixing nut 210: fixing washer

220: Waterproof packing 300: Locker

310: rocker handle 320: rocker upper end

330: key ball 400: rotating body

410: rotation direction stop key 420: locking body transfer guide projection

430: locker groove 440: key fastening groove

450: locking body fitting space 500: key confirmation pin

600: rotating body fixing pin 700: door locking latch

710: height adjustment bolt 720: locking body

730: Adjusting bolt tightening spring 800: Locking key

810: key handle 820: key body

830: Attached magnet 900: Rotating body lock

910: rotating body fixing pin adjustment key 920: support spring

930: adjustment key locking ring

The present invention relates to a locking device, and more particularly, to a door locking device of a switchboard that allows a user to open and close the door of the switchboard installed in the vessel.

In general, switchboards are installed in power plants, substations, and ships with electrical facilities, so that safety devices, instruments, indicators, relays, etc. can be arranged to facilitate the opening and closing of converters and controlling devices. .

That is, a device that monitors, controls, protects, etc., an electric system, and is made of a device such as an instrument, a relay, a switchgear, a support, and a wire that connects the device.

Such a switchboard is provided with a door 1 on the front of the switchboard to enable repair and repair of various electrical devices installed therein as shown in FIG. 1. In addition, when the electric device installed inside the switchboard is short-circuited, the locking device 2 is installed to prevent the door 1 from being opened due to the expansion of air.

Such a conventional switchboard door lock device 2 has a locking end 4 coupled to the end of the handle according to whether the frame 5 of the switchboard is locked as the handle 3 installed on the door 1 rotates. The locked and unlocked state of the door 1 is controlled.

That is, the conventional switchgear door lock device 2 is open and close anyone, there is a problem that an electric shock or short circuit occurs when opening the door 1 in the energized state.

In addition, when the distance between the handle 3 and the locking end 4 is fixed, and the locking interval between the door 1 and the switchboard frame 5 is different, the handle 3 and the locking end 4 corresponding to the intervals are different. Bars should be manufactured separately, each having a spacing of bar, there is a problem that the productivity is lowered.

The present invention was created to solve the above-mentioned problems, and only the operator can open the door so as to prevent electric shock or short circuit when power is applied, and adjust the length of the locking portion according to the distance between the door and the switchboard frame. It is an object of the present invention to provide a door lock device of a switchboard that can be used in various switchboards.

The objects and advantages of the invention may be realized by the means and combinations indicated in the claims.

The door lock device of the switchboard of the present invention for achieving the above object is a pipe member fastened to the door, one end has a door locking end to be locked in the state penetrated through the door, the inner peripheral surface a plurality of keys to confirm A fixed body having a pin fastening groove and a rotating body fixing pin fastening groove, the rotating radius adjusting groove being formed; A fixing nut which is externally fastened with a screw thread to the fixing body to fix the fixing body in a state where the fixing body is penetrated to the door; A rocker handle is provided to allow a user to hold the rocker handle. The rocker handle has a circular rocker upper end portion formed with a rotation body fitting protrusion at one side thereof to be interlocked with the fixed body so as to be rotatable, and the rocker handle and the rocker upper end portion. A rocker having a key hole therethrough; A circular member having one end fastened to the rocker in the state inserted into the fixed body, and one end of the rotation direction adjustment stop key is inserted into the rotation radius adjusting groove so as to rotate at a constant rotation radius in the state inserted into the fixed body. It is provided with a locking body transfer guide projection on the other end, and forms a locker fitting groove to which the rotating body fitting projection is fastened, and a key fastening groove having a plurality of key confirmation pin fixing holes and rotating body fixing pin fixing holes; A rotating body having a locking body fitting space having a height adjusting bolt through-hole and a height adjusting bolt fastening groove; A key confirmation pin with a spring extrapolated at one end of which is inserted into the key confirmation pin fastening groove in a state in which the lock is inserted so as not to be separated from each of the key confirmation pin fixing holes; A rotation body fixing pin inserted into the locking body so as not to be separated from the rotation body fixing pin fixing hole and having a spring extrapolated; A door locking latch part provided in the locking body fitting space part of the rotating body to adjust whether the door is opened or closed while being locked and released to the frame of the switchboard according to the rotation direction of the rocker; A locking key inserted into and fastened to the key fastening groove of the rotating body through the key hole of the locker; And a one end portion of the rotating body fixing pin as the locking key is rotated in a state in which the locking key is inserted into the key locking groove of the rotating body and is provided in the key fastening groove of the rotating body. And a rotating body locking part fixed to the fastening groove to fix the rotating body so as not to rotate.

Here, the locker upper end outer peripheral surface of the rocker is provided with a fixed body fastening ring, the fixed body inner peripheral surface is preferably provided with a fixed body fastening ring insertion groove that the fixed body fastening ring correspondingly inserted.

And, the outer circumferential surface of the rotating body is preferably provided with a rotation body departure prevention ring for preventing the rotation body from being separated from the state inserted into the fixed body.

In addition, the fixing body is extrapolated to the fixing body between the door engaging end of the fixing body and the fixing nut to increase the coupling force of the fixing nut and the fluid does not flow into the interior through the door through which the fixing body is fastened. It is preferable to further provide a waterproof packing.

In addition, the door locking locking portion has a height adjustment bolt formed with a screw thread on one side that is fastened to the height adjustment bolt fastening groove through the height adjustment bolt through hole of the rotating body, and both ends are bent up and down respectively. One side portion is provided with a transfer guide groove into which the locking body transfer guide projection of the rotating body is fitted, and the locking body having a bolt fastening hole formed with a screw thread corresponding to the screw thread of the height adjustment bolt at the bent end of the rotating body, and the It is preferable to include an adjustment bolt fastening spring for extrapolating the height adjustment bolt to absorb the vibration transmitted to the locking body.

In addition, the locking key is coupled to the key handle that can be gripped by the user, one end of the key handle, one side of the locking protrusion and the key confirmation pin that is locked to the locker so as not to be inserted into the key hole of the locker It is preferable to form a key confirmation coupling groove to be correspondingly fastened, and at one end thereof to include a cylindrical key body having a rotation body locking control protrusion which is fastened to the rotation body locking unit.

In addition, it is preferable to further include an attachment magnet in the key handle of the lock key to easily mount the lock key to the metal plate.

In addition, the rotatable body locking portion is interpolated in the key fastening groove of the rotatable body, the rotatable body locking control projection of the locking key has a key fitting groove and the spring insertion space portion is inserted into the corresponding, a pair of symmetrical on both sides A cylindrical rotating body fixing pin adjusting key having a rotating body fixing pin control protrusion and a spring insertion space portion of the rotating body fixing pin adjusting key are provided to maintain the rotating body fixing pin adjusting key at a fixed position by an elastic force. And a C-shaped adjustment key engaging ring for interlocking the key springs of the rotary body to fix the locking body fixing pin so that the rotary body fixing pin adjustment key does not escape from a predetermined position while being supported by the support spring. It is preferable to include.

In addition, it is preferable to form a plurality of adjustment key rotation guides at the lower end of the rotation body fixing pin adjustment key to facilitate rotation in the state inserted into the key fastening groove.

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

Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. It should be interpreted as meanings and concepts corresponding to the technical idea of the present invention based on the principle of definition.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

2A and 2B are an overall perspective view of a door locking device of a switchboard according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of FIG. 2A, FIG. 4A is a state cross-sectional view when the locking key of FIG. 3 is not fastened, and FIG. Figure 3 is a state sectional view when locking the lock key is fastened, Figure 11 is an installation state of Figure 2a.

As shown, the door lock device of the switchboard according to the invention, the fixing body 100, the fixing nut 200, the locker 300, the rotating body 400, the key confirmation pin 500, the rotating body fixing pin 600, the door locking portion 700, the locking key 800, the rotating body locking portion 900 is provided to adjust the presence or absence of opening and closing the door 10 of the switchboard for the frame 20 of the switchboard. .

5A is an enlarged view of the fixing body 100 shown in FIG. 3, and FIG. 5B is a cutaway view of FIG. 5A.

The fixed body 100 is a pipe member having both ends opened through the door 10 of the switchboard.

One end of the fixed body 100 is formed with a door locking end 110 which is engaged with the outer surface of the door 10 of the switchboard so as to maintain a state of penetrating through a predetermined position with respect to the door 10 of the switchboard. It is desirable to.

Then, a plurality of key confirmation pin fastening grooves 120 are formed on the inner circumferential surface of the fixed body 100, and a rotating body fixing pin fastening groove 130 is formed.

In addition, it is preferable to form the rotation radius adjusting groove 140 on the inner peripheral surface of the door locking end 110 of the fixed body 100.

In addition, the inner circumferential surface of the door engaging end 110 of the fixed body 100 is provided with a fixed body fastening ring insertion groove 150.

The fixing nut 200 is a coupling member for stably coupling and fixing the fixing body 100 in a state where the fixing body 100 is penetrated through the door 10 of the switchboard.

When the fixing nut 200 is penetrated through the door 10 of the switchboard, the fixing nut 200 is screwed in an extrapolated state to one end of the fixing body 100 and tightened by rotation. Fixing body 100 is stably coupled to the door 10 of the switchboard.

In addition, a fixing washer 210 and the waterproof packing 220 may be further provided between the fixing nut 200 and the door locking end 110 of the fixing body 100.

Here, the fixing washer 210 is located between the fixing nut 200 and the door 10 of the switchboard while increasing the coupling force of the fixing nut 200 to the door 10 of the switchboard.

The waterproof packing 220 is located between the door locking end 110 of the fixed body 100 and the door 10 of the switchboard, and the door 10 of the switchboard in which the fixed body 100 is fastened. Through the fluid is prevented from entering inside.

6A and 6B are enlarged views of the rocker 300 shown in FIG.

The rocker 300 is a control knob member for allowing a user to operate a locking device installed on the door 10 of the switchboard.

The rocker 300 has a rocker handle 310 to allow a user to grip, and a circular rocker upper end 320 provided integrally on one side of the rocker handle 310.

Here, at least one rotary body fitting protrusion 321 is formed at one side of the rocker upper end 320 of the rocker 300.

In addition, the rocker upper end 320 of the rocker 300 is preferably intermittently fastened to the fixed body 100 in a rotatable state.

At this time, the locker upper end 320 of the rocker 300, the fixed body fastening ring 322 is inserted into the fixed body fastening ring insertion groove 150 formed on the inner peripheral surface of the door engaging end 110 of the fixed body 100 ) May be provided.

Accordingly, the fixed body fastening ring 322 of the rocker 300 is inserted into the fixed body fastening ring insertion groove 150 of the fixed body 100 to rotate the rocker 300 to the fixed body 100. It is possible to interpolate as much as possible.

In addition, the rocker 300 preferably includes a key hole 330 penetrating the rocker handle 310 and the rocker upper end 320 so as to penetrate the lock key 800.

7 is an enlarged view of the rotatable body 400 shown in FIG. 3.

The rotating body 400 is fastened to the locker 300 in one end in the state inserted into the fixed body 100, the other end is provided with the locking the locking portion 700 is fastened to the locker 300 The circular member to move the door locking portion 700 while rotating to correspond to the rotation of the.

The fixed part such that the rotary body 400 can be rotated only for a certain radius of rotation when rotated by the rocker 300 in the state inserted into the fixed body 100 at one end of the rotary body 400. It is provided with a rotation direction adjustment stop key 410 that is fitted to the rotation radius adjusting groove 140 of the body 100, the other end is provided with a locking body transfer guide projection 420.

And, the locker fitting is fastened to the rotating body 400 is fastened corresponding to the rotating body fitting protrusion 321 of the rocker 300 to be rotated to correspond to the rotation of the rocker 300 is locked. It is preferable to have the groove 430.

In addition, the rotating body 400 is provided with a key fastening groove 440 into which the locking key 800 is inserted and fastened, and a locking body fitting space 450 to which the door locking catching part 700 is fastened.

Here, the key fastening groove 440 preferably includes a plurality of key confirmation pin fixing holes 441 and a rotating body fixing pin fixing hole 442.

The locking body fitting space 450 preferably has a height adjusting bolt through hole 451 and a height adjusting bolt fastening groove 452.

In addition, the rotation body 400 may be provided with a departure prevention ring 460 to be locked so as not to be separated from the state inserted in the fixed body 100.

The key confirmation pin 500 is a pin member for confirming the locking key 800 is inserted into the key fastening groove 440 of the rotating body 400.

This, the key confirmation pin 500 is provided so that the end is locked so as not to be separated from the key confirmation pin fixing hole 441 of the rotary body 400, respectively.

Then, one end of the key confirmation pin 500 is fastened to the key confirmation pin fastening groove 120 of the fixed body (100).

At this time, the key confirmation pin 500 is locked to the key fastening groove 440 of the rotary body 400 while maintaining a predetermined length protruding state to the key fastening groove 440 of the rotary body 400. It is preferable to extrapolate the spring 510 so that the key 800 can be pressed when inserted.

That is, one end of the key confirmation pin 500 is maintained by the spring 510 to the key confirmation pin fastening groove 120 of the fixed body 100 by the rotation body 400 when rotating The key confirmation pin 500 is completely inserted into the key fastening groove 440 of the rotating body 400 so as not to interfere with the rotation of the rotating body 400.

The rotating body fixing pin 600 is a pin member for operating the rotating body locking unit 900 to fix the rotating body 400 so as not to rotate.

The rotation body fixing pin 600 is inserted into the end portion of the rotating body fixing pin fixing hole 442 of the rotating body 400 so as not to be separated.

In addition, the rotating body fixing pin 600 is rotated by the rotation of the rotating body locking unit 900, the end is fastened to the rotating body fixing pin fastening groove 130 of the fixed body 100 while the rotating body ( 400 is fixed to the fixed body 100 so as not to rotate.

In addition, the rotating body fixing pin 600, when rotating back to the initial position before the rotation of the rotating body lock, the rotating body fixing pin 600 of the rotating body fixing pin fixing hole 442 of the rotating body 400 It is preferable to extrapolate the spring 610 to restore the original fully inserted state.

8 is a state diagram of the combination of the door locking latch 700 shown in FIG.

The door locking portion 700 is provided in the locking body fitting space 450 of the rotating body 400 is rotated corresponding to the rotating body 400 according to the rotation direction of the rocker 300 and the switchboard It is a member for adjusting whether the switchboard door 10 can be opened or closed while being caught or released by the frame 20.

This, the door locking locking portion 700 of the rotating body 400 through the height adjustment bolt through hole 451 of the rotating body 400 in a state in which a screw thread is formed on one side as shown in FIG. And a height adjusting bolt 710 fastened to the height adjusting bolt fastening groove 452 and a locking body 720 fastened to the height adjusting bolt 710.

Here, the locking body 720 has a bending end 721 is bent up and down both ends, the transport guide groove 722 is fitted on one side of the locking body transfer guide projection 420 of the rotating body 400 It is provided.

In addition, the bending end 721 of one end of the locking body 720 may have a bolt fastening hole 723 having a screw thread corresponding to a screw thread of the height adjustment bolt 710.

Therefore, the locking body 720 is changed in position on the thread of the height adjustment bolt 710 according to the rotation direction of the height adjustment bolt 710, the door 10 of the switchboard and the frame 20 of the switchboard spaced apart. Can be adjusted according to the distance.

In addition, the door locking portion 700 is provided with an adjustment bolt fastening spring 730 extrapolated to the height adjustment bolt 710.

This, the adjustment bolt fastening spring 730 is to absorb the vibration transmitted to the locking body 720 to prevent the damage of the door locking portion 700 by the impact.

9 is an enlarged view of the locking key 800 shown in FIG. 3.

The locking key 800 is inserted into the key fastening groove 440 of the rotating body 400 through the key hole 330 of the locker 300 to control the rotation of the rotating body locking part 900 by the user. It is a member to make it possible.

The locking key 800 includes a key handle 810 for allowing a user to grip and a cylindrical key body 820 integrally coupled to one end of the key handle 810.

Here, at one side of the key body 820 is formed a fitting stop 821 is engaged with the rocker 300 so as not to be inserted into the key hole 330 of the locker 300 more than a predetermined, and the rotating body ( When the key is inserted into the key fastening groove 440 of the 400, the key confirmation pin 500 forms a plurality of key confirmation coupling grooves 822 correspondingly fastened.

And, one end of the key body 820 is preferably provided with a rotating body locking control projection 823 is fastened to the rotating body locking portion 900.

At this time, when all of the key confirmation pin 500 is not coupled to each of the key confirmation coupling groove 822 formed in the key body 820 of the locking key 800, the rotation body of the key body 820 Since the locking control protrusion 823 is not fastened to the rotating body locking part 900, the user cannot control the rotation of the rotating body locking part 900.

In addition, an attachment magnet 830 may be provided at one side of the key handle 810 of the locking key 800 so as to easily mount the locking key 800 to the metal plate.

10A is an enlarged view of the rotating body fixing pin adjusting key 910 of the rotating body locking unit 900 shown in FIG. 3, and FIG. 10B is an adjusting key locking ring 930 of the rotating body locking unit 900 shown in FIG. 3. ) Enlarged view.

The rotating body locking portion 900 is provided in the key fastening groove 440 of the rotating body 400 so that the locking key 800 is inserted into the key fastening groove 440 of the rotating body 400. In accordance with the rotation of the locking key 800 in the state is a member that is fixed to the fixed body 100 to prevent the rotation.

That is, the rotating body locking unit 900 is rotated so that the user is fixed in a state where one end of the rotating body fixing pin 600 is fastened to the rotating body fixing pin fastening groove 130 of the fixing body 100. Even if the rocker 300 is rotated, the rotating body 400 is not rotated.

This, the rotation body locking portion 900 is such that the rotation body fixing pin adjustment key 910 inserted into the key fastening groove 440 and the rotation body fixing pin adjustment key 910 to be maintained at a constant position by the elastic force. A support spring 920 is included.

Here, the rotation body fixing pin adjustment key 910 has a cylindrical shape, and the upper portion is provided with a key fitting groove 911 into which the rotation body locking control protrusion 823 of the locking key 800 is inserted. The lower portion is provided with a spring insertion space 912 in which the support spring 920 is installed.

Then, both sides of the rotating body fixing pin adjustment key 910 is provided with a pair of rotating body fixing pin control projection 913 symmetrical.

In addition, a plurality of adjustment key rotation guides 914 are provided at the lower end of the rotation body fixing pin adjustment key 910 so as to facilitate rotation in an inserted state in the key fastening groove 440 of the rotation body 400. It can also be formed.

The support spring 920 is preferably installed in the spring insertion space 912 of the rotating body fixing pin adjustment key 910.

In addition, the rotating body locking portion 900 is provided with an interpolation in the key fastening groove 440 of the rotating body 400 to support the rotating body fixing pin adjustment key 910 by the support spring 920. It is preferable to have a C-shaped adjustment key locking ring 930 to secure the locking so as not to be separated from a certain position.

As described above, the operation of the switchboard door locking device according to the present invention will be described with reference to FIGS. 2A to 11.

First, the rotating body locking portion 900 by the locking key 800 does not operate, so that the fixing body 100 of the rotating body 400 is not fixed by the rotating body fixing pin 600. The opening / closing operation of the switchboard door 10 by the locking device provided in the switchboard door 10 in the non-state state will be described.

That is, when the rotating body locking portion 900 by the locking key 800 does not operate, as shown in Figure 4a, the rotating body fixing pin 600 is a rotating body of the fixed body 100 It is not inserted into the fixing pin fastening groove 130.

Therefore, when the user grasps the rocker handle 310 of the rocker 300 and rotates in a predetermined direction, the rocker 300 which is fastened to the rocker upper end 320 of the rocker 300 is also the rocker 300. The rocker handle 310 is rotated to correspond to the rotation direction.

Then, the door locking portion 700 installed in the locking body fitting space 450 of the rotating body 400 also rotates corresponding to the rotational direction of the rocker handle 310 of the rocker 300, the door locking The bent end 721 formed in the locking body 720 of the locking part 700 is opened or closed by the door 20 of the switchboard while being locked or released from the frame 20 of the switchboard.

Subsequently, in order to enable only the user who owns the lock key 800 to open and close the door 10 of the switchboard, the key body 820 of the lock key 800 may be operated by the key hole 330 of the locker 300. It is inserted into the key fastening groove 440 of the rotating body 400 through the).

At this time, the key body 820 of the locking key 800 is the key fastening groove 440 of the rotary body 400 until the fitting stop 821 is locked to the key hole 330 of the locker 300. Is inserted into

And, as shown in Figure 4b, each of the keys provided in the key confirmation fixing hole of the rotating body 400 in the key confirmation coupling groove 822 formed in the key body 820 of the locking key 800 When the confirmation pin 500 is fastened correspondingly, the rotating body locking control protrusion 823 formed on the key body 820 of the locking key 800 is a rotating body fixing pin adjusting key 910 of the rotating body locking part 900. It is fastened correspondingly to the key fitting groove 911 formed in the).

Here, the key confirmation provided in the key confirmation coupling groove 822 of the locking key 800 and the key confirmation fixing hole of the rotating body 400 inserted into the key fastening groove 440 of the rotating body 400. If the pin 500 is not fastened correspondingly, the rotation body locking control protrusion 823 of the locking key 800 is not fastened correspondingly to the key fitting groove 911 of the rotation body locking part 900, and thus the rotation body locking. It is impossible to control the rotation operation of the unit 900.

Thereafter, when the user grasps the key handle 810 of the locking key 800 and rotates at a predetermined direction and angle, the rotation body fixing pin is rotated by the rotation body locking control protrusion 823 of the key body 820. The adjustment key 910 is rotated to correspond to the rotation direction of the key handle 810 and the key body 820 of the locking key 800.

Then, while the fixing pin control protrusion 913 of the rotating body fixing pin adjusting key 910 is also rotated, the rotating body provided in the rotating body fixing pin fixing hole 442 of the rotating body 400 is provided therein. The body fixing pin 600 is pressed.

Accordingly, the rotating body fixing pin 600 is pressed by the fixing pin control protrusion 913 of the rotating body fixing pin adjusting key 910 so that one end of the rotating body fixing pin fastening groove 130 of the fixing body 100 is fixed. Inserted into fasteners.

Then, the rotating body 400 is fixed to the fixing body 100 by the rotating body fixing pin 600, so that the rotating body 400 is not rotated so that the locking key 800 is After disengaging from the key fastening groove 440 of the rotating body 400, even if the locker handle 310 of the locker 300 is rotated, the rotating body 400 is not rotated so that the switchboard of the door locking part 700 is locked. It keeps the locking state to the frame 20.

Thereafter, in order to freely control the operation of the door locking part 700 by the locker handle 310 of the locker 300 without the locking key 800, the key confirmation pin fixing hole of the rotating body 400 again ( The lock key 800 having the key confirmation coupling groove 822 corresponding to the key confirmation pin 500 provided in the 441 is inserted into the key fastening groove 440 of the rotating body 400.

Then, when the key handle 810 of the locking key 800 is turned, the fixed body pin adjustment key 910 is rotated by the rotating body locking control protrusion 823 of the key body 820 while the fixing pin is rotated. The fastening state of the rotating body fixing pin fastening groove 130 formed in the fixing body 100 of the rotating body fixing pin 600 by the control protrusion 913 is released.

Therefore, the locking body 720 of the rotating body 400 and the door locking portion 700 rotates to correspond to the rotation of the rocker handle 310 of the rocker 300, anyone without the locking key 800 The door 10 of the switchboard can be opened and closed freely.

As described above, the door lock device of the switchboard according to the present invention controls the presence or absence of the lock of the switchboard door 10 by the locking key 800 so that only the user can open and close the door 10 of the switchboard. 10) It is possible to change the position of the locking body 720 on the height adjustment bolt 710 in addition to preventing safety accidents such as electric shock due to the opening at the separation distance between the switchboard door 10 and the switchboard frame 20. It can be easily adjusted and used accordingly.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is described by the person of ordinary skill in the art to which the present invention pertains. Various modifications and variations are possible without departing from the scope of the appended claims.

The door lock device of the switchboard of the present invention as described above, by adjusting the door lock presence or absence by the locking key to enable only the user to open and close the switchboard door to prevent safety accidents such as electric shock by opening the switchboard door other than the user. In addition, the locking body is provided so that the position can be changed on the height adjustment bolt and can be easily adjusted and used according to the distance between the switchboard door and the switchboard frame, thereby providing an effect applicable to various switchboards.

Claims (9)

As a pipe member fastened to the door, one end has a door locking end to be locked in a state penetrated through the door, and the inner circumferential surface has a plurality of key confirmation pin fastening grooves and a rotating body fixing pin fastening groove, and a rotation radius adjusting groove A fixed body formed therein; A fixing nut which is externally fastened with a screw thread to the fixing body to fix the fixing body in a state where the fixing body is penetrated to the door; A rocker handle is provided to allow a user to hold the locker handle. One side of the rocker handle includes a rocker upper end portion having a rotatable body fitting protrusion, which is rotatably interlocked in the fixed body, and penetrates the rocker handle and the rocker upper end portion. A rocker having a key hole formed therein; A circular member having one end fastened to the rocker in the state inserted into the fixed body, and one end of the rotation direction adjustment stop key is inserted into the rotation radius adjusting groove so as to rotate at a constant rotation radius in the state inserted into the fixed body. It is provided with a locking body transfer guide projection on the other end, and forms a locker fitting groove to which the rotating body fitting projection is fastened, and a key fastening groove having a plurality of key confirmation pin fixing holes and rotating body fixing pin fixing holes; A rotating body having a locking body fitting space having a height adjusting bolt through-hole and a height adjusting bolt fastening groove; A key confirmation pin with a spring extrapolated at one end of which is inserted into the key confirmation pin fastening groove in a state in which the lock is inserted so as not to be separated from each of the key confirmation pin fixing holes; A rotation body fixing pin inserted into the locking body so as not to be separated from the rotation body fixing pin fixing hole and having a spring extrapolated; A door locking latch part provided in the locking body fitting space part of the rotating body to adjust whether the door is opened or closed while being locked and released to the frame of the switchboard according to the rotation direction of the rocker; A locking key inserted into and fastened to the key fastening groove of the rotating body through the key hole of the locker; And Is provided inside the key fastening groove of the rotating body, one end of the rotating body fixing pin according to the rotation in the state in which the locking key is inserted into the key fastening groove of the rotating body fixed body of the rotating body fixing pin fastening The door lock device of the switchgear, characterized in that it comprises a rotating body locking unit for fixing so that the rotating body is not rotated in a fixed state. The method of claim 1, The locker upper end outer peripheral surface of the rocker is provided with a fixed body fastening ring, the fixed body inner peripheral surface of the switchboard door lock device, characterized in that the fixed body fastening ring insertion groove is provided with a corresponding insert. The method of claim 1, The outer circumferential surface of the rotatable body door lock device of the switchgear characterized in that the rotatable body departure prevention ring for preventing the rotatable body from being separated from the state inserted into the fixed body. The method of claim 1, A waterproof washer that is extrapolated to the fixing body between the door locking end of the fixing body and the fixing nut to increase the coupling force of the fixing nut, and a waterproof packing that prevents fluid from entering through the door through which the fixing body is fastened. Door switch of the switchgear characterized in that it further comprises. The method of claim 1, The door locking portion A height adjustment bolt having a screw thread formed at one side of the rotation body which is fastened to the height adjustment bolt fastening groove through a height adjustment bolt through hole; One end portion has a transfer guide groove into which the locking body transfer guide projection of the rotating body is fitted, with both ends being bent up and down, respectively, and one end of the bending end corresponding to the thread of the height adjustment bolt. Locking body having a threaded bolt fastening hole, The door lock device of the switchboard, characterized in that the height adjustment bolt is extrapolated to the adjustment bolt fastening spring to absorb the vibration transmitted to the locking body. The method of claim 1, The locking key is The key handle that the user can hold, It is coupled to one end of the key handle, one side of the locking projection to be locked to the locker so as not to be inserted into the key hole of the locker and the key confirmation pin to form a key confirmation coupling groove correspondingly coupled, one end of the rotation The door lock device of a switchgear comprising a cylindrical key body having a rotating body locking control projection is fastened to the body lock. The method of claim 6, The door handle of the switchboard further comprises an attachment magnet to the key handle of the lock key to easily mount the lock key to the metal plate. The method of claim 1, Rotating body locking part It is interpolated in the key fastening groove of the rotating body, and has a key fitting groove and a spring insertion space portion in which the rotating body locking control protrusion of the locking key is inserted, and has a pair of symmetrical rotating body fixing pin control protrusions on both sides. A cylindrical rotating body fixing pin adjusting key provided; A spring provided in the spring insertion space of the rotating body fixing pin adjusting key to maintain the rotating body fixing pin adjusting key at a fixed position by an elastic force; It is provided with an interpolation in the key fastening groove of the rotating body is characterized in that it comprises a C-shaped adjustment key locking ring for locking the rotation body fixing pin adjustment key to be secured so as not to be released from a predetermined position in a state supported by the support spring Door lock of the switchboard. The method of claim 8, And a plurality of adjustment key rotation guides are formed at a lower end of the rotation body fixing pin adjustment key to facilitate rotation in a state inserted into the key fastening groove.

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