CN216773981U - High insulating lock of security for block terminal - Google Patents

Abstract

The utility model discloses a high-safety insulating lock for a distribution box, which comprises a lock box, wherein the lock box is hinged with a box door, a current sensor and a display screen are arranged on the box door, a movable hole is formed in a fixed column, a lock column is movably connected in the movable hole, a lock hole is formed in the middle of the lock column, a moving hole is formed in one end, away from an insertion hole, of the lock column, a connecting block is movably clamped in the moving hole, a second conductive block is oppositely arranged on the side wall of an accommodating cavity, the second conductive block is connected with a lead, and the lead penetrates through the lock box and is connected with an electromagnetic relay. This kind of high insulating lock of security for block terminal promotes the connecting block to the holding intracavity through the key for the connecting block is electrically conductive with the contact of second conducting block, forms the return circuit, starts electromagnetic relay, utilizes electromagnetic relay to break off the total circuit in with the block terminal, realizes the outage purpose, guarantees the security.

Description

High insulating lock of security for block terminal

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to an insulating lock with high safety for a distribution box.

Background

The block terminal that the block terminal generally is used for distribution system is indispensable partly among the distribution system, and the block terminal is in the use, and the staff often need open the block terminal, overhauls and maintains the circuit of inside, but the circuit is more in the block terminal, if total circuit in the block terminal does not break off, thereby it leads to the emergence of incident to electrocute very easily when opening the cabinet door, and the security is lower. Therefore, an insulating lock with high safety for the distribution box is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an insulating lock with high safety for a distribution box, and the insulating lock is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high insulating lock of security for block terminal, includes the lock case, the lock case articulates there is the chamber door, be provided with current sensor and display screen on the chamber door, be provided with the holding hole in the lock case, the downthehole fixed column that is provided with of holding, the fixed column outside is provided with the jack, be provided with the movable orifice in the fixed column, swing joint has the lock post in the movable orifice, the lock post middle part is provided with the lockhole, be provided with the slot on the lockhole inner wall, the one end that the jack was kept away from to the lock post is provided with removes the hole, it has the connecting block to remove downthehole activity joint, the one end that the jack was kept away from to the fixed column is provided with the holding chamber, holding chamber and removal hole intercommunication, be provided with the second conducting block relatively on the holding chamber lateral wall, the second conducting block is connected with the wire, the wire runs through the lock case setting and is connected with electromagnetic relay.

Preferably, the box door is fixedly connected with a handle, and the box door is provided with an indicator light.

Preferably, the connecting block comprises an insulating block and a first conductive block, the insulating block is located on one side close to the jack, and the first conductive block is located on one side far away from the jack.

Preferably, a sliding groove is formed in the inner wall of the moving hole, a sliding block is fixedly connected to the side faces of the insulating block and the first conductive block, and the sliding block is movably clamped in the sliding groove.

Preferably, a spring is arranged between the side wall of the accommodating cavity and the connecting block.

Compared with the prior art, the utility model has the beneficial effects that: this kind of high insulating lock of security for block terminal is through setting up current sensor and display screen on the chamber door of lock case, the realization is to the monitoring of the electric current condition of passing through on lock case and chamber door surface, when utilizing the lock case to open the block terminal, can observe whether there is electric leakage phenomenon, avoid electric shock phenomenon to take place, can contact the connecting block and promote the connecting block to the holding intracavity when inserting into the lockhole through the key, make connecting block and second conducting block contact electrically conductive, form the return circuit, start electromagnetic relay, utilize the main circuit disconnection of electromagnetic relay in with the block terminal, realize the outage purpose, guarantee the security.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side cross-sectional view of the fixing post of the present invention;

fig. 3 is a schematic perspective view of the present invention.

In the figure: the lock box comprises a lock box 1, a box door 2, a current sensor 3, a display screen 4, a handle 5, an indicator light 6, an accommodating hole 7, a fixed column 8, a jack 9, a movable hole 10, a lock column 11, a lock hole 12, a slot 13, a moving hole 14, a connecting block 15, an insulating block 16, a first conductive block 17, a sliding groove 18, a sliding block 19, an accommodating cavity 20, a second conductive block 21, a spring 22, a lead 23 and an electromagnetic relay 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-safety insulating lock for a distribution box comprises a lock box 1, wherein the lock box 1 is hinged with a box door 2, the box door 2 is provided with a current sensor 3 and a display screen 4, the lock box 1 is connected to the box door of the distribution box, a locking device on the lock box 1 is connected with the distribution box door, the box door can be opened or locked by using the locking device of the lock box 1, the current passing condition on the box door 2 can be monitored in real time by using the current sensor 3 arranged on the box door 2 on the lock box 1, current data can be transmitted to the display screen 4 in real time, when a worker needs to open the distribution box by using a device on the lock box 1, the current condition on the box door 2 is firstly observed by using the display screen 4, whether the box door 2 is safe or not and whether a leakage phenomenon occurs or not are judged, when the current is safe, the box door 2 can be opened for maintenance operation, when the current is too large and the leakage phenomenon occurs, workers need to take timely and effective measures to avoid safety accidents;

the lock box is characterized in that an accommodating hole 7 is formed in the lock box 1, a fixed column 8 is arranged in the accommodating hole 7, a jack 9 is arranged on the outer side of the fixed column 8, a movable hole 10 is formed in the fixed column 8, a lock column 11 is movably connected in the movable hole 10, a lock hole 12 is formed in the middle of the lock column 11, a slot 13 is formed in the inner wall of the lock hole 12, the lock column 11 is movably connected with the movable hole 10, so that the lock column 11 can rotate in the movable hole 10, a lock rod can be connected to the outer side of the lock column 11, the lock rod is matched with a box door of the distribution box and a cabinet body of the distribution box, the aim of locking the box door of the distribution box can be achieved, when the lock column 11 rotates and moves, the lock rod is driven to rotate, the lock rod and the box body of the distribution box are unlocked, the locking mode of the lock rod and the distribution box can be directly referred to a locking device in the prior art, and the slot 13 and the lock hole 12 are matched, a keyhole structure is formed, a matched key is arranged in the keyhole, the outer contour of the key is matched with the keyhole 12 and the slot 13, the key can be inserted into the keyhole 12, when the key rotates, the lock column 11 can be driven to synchronously rotate in the movable hole 10, the lock column 11 drives the lock rod to rotate, and the lock rod can lock or unlock the box door of the distribution box;

a moving hole 14 is formed in one end, far away from the jack 9, of the lock cylinder 11, a connecting block 15 is movably clamped in the moving hole 14, the connecting block 15 is movably clamped with the moving hole 14, the connecting block 15 can move left and right in the moving hole 14 for a certain distance, when a key is inserted into the lock hole 12, the end of the key contacts the connecting block 15, and the connecting block 15 can be pushed towards one end, far away from the jack 9;

an accommodating cavity 20 is formed in one end, far away from the jack 9, of the fixed column 8, the accommodating cavity 20 is communicated with the moving hole 14, second conductive blocks 21 are oppositely arranged on the side wall of the accommodating cavity 20, the two second conductive blocks 21 are oppositely arranged but not in contact with each other, a conductive module is arranged on the connecting block 15, the connecting block 15 can move between the two second conductive blocks 21 and is in contact with the second conductive blocks 21 to achieve conduction, the contact part of the connecting block 15 and a key can be set as an insulating module, safety is guaranteed, and electric current is prevented from being led into the key, so that an electric shock phenomenon is avoided;

second conducting block 21 is connected with wire 23, wire 23 runs through 1 setting of lock case and is connected with electromagnetic relay 24, electromagnetic relay 24 sets up the inside at the block terminal, and electromagnetic relay 24 communicates with the master switch of block terminal, the opening and closing of steerable block terminal master switch, wire 23 is arranged at the inside circuit arrangement that does not influence the block terminal inside of block terminal, after connecting block 15 removes between two second conducting blocks 21 and contacts with second conducting block 21, with the cooperation of wire 23, form closed circuit, the circuit switch-on, electromagnetic relay 24 starts this moment, close the master switch of block terminal, guarantee that the block terminal is in the electroless state this moment, electric shock when avoiding the staff to open the block terminal.

When the safe door is used, firstly, the current condition on the door 2 is observed through the display screen 4, whether the door 2 is safe or not and whether the leakage phenomenon occurs or not are judged, when the leakage phenomenon occurs due to overlarge current, a worker needs to take timely and effective measures to avoid safety accidents, when the current is safe, the door 2 can be opened, a matched key is inserted into a lock hole 12 of a lock column 11 through an insertion hole 9, the end part of the key contacts with a connecting block 15 at the moment, the connecting block 15 can be pushed towards one end far away from the insertion hole 9 until the connecting block 15 moves to be between two second conductive blocks 21 and contacts with the second conductive blocks 21 to be matched with a lead 23 to form a closed loop, a circuit is connected, an electromagnetic relay 24 is started at the moment, a main switch of a distribution box is closed, the distribution box is ensured to be in a non-electricity state at the moment, then, the key is rotated to drive the lock column 11 to synchronously rotate in a movable hole 10, the lock post 11 drives the lock rod to rotate, and the box door of the distribution box is opened.

Further, fixedly connected with handle 5 on chamber door 2, be provided with pilot lamp 6 on chamber door 2, when current sensor 3 detected that the electric current on chamber door 2 was in safe state, pilot lamp 6 can bright green light, and chamber door 2 is opened to the usable handle 5 of staff, and when the electric current was unsafe, pilot lamp 6 can bright red light, reminds the staff to take corresponding measure.

Further, the connecting block 15 comprises an insulating block 16 and a first conductive block 17, the insulating block 16 is located on one side close to the jack 9, the first conductive block 17 is located on one side far away from the jack 9, the first conductive block 17 can be contacted with a second conductive block 21 to form a conductive loop, and the insulating block 16 is contacted with one end of the key to avoid electric shock.

Further, a sliding groove 18 is formed in the inner wall of the moving hole 14, a sliding block 19 is fixedly connected to the side faces of the insulating block 16 and the first conductive block 17, the sliding block 19 is movably clamped in the sliding groove 18, and when the connecting block 15 moves under the pushing of a key, the sliding block 19 moves in the sliding groove 18 to play a role in limiting and guiding.

Furthermore, a spring 22 is disposed between the side wall of the accommodating cavity 20 and the connecting block 15, and when the key leaves the lock hole 12, the spring 22 drives the connecting block 15 to return under the elastic action.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a high insulating lock of security for block terminal, includes lock case (1), its characterized in that: the lock box (1) is hinged with a box door (2), a current sensor (3) and a display screen (4) are arranged on the box door (2), a containing hole (7) is formed in the lock box (1), a fixed column (8) is arranged in the containing hole (7), a jack (9) is arranged on the outer side of the fixed column (8), a movable hole (10) is formed in the fixed column (8), a lock column (11) is movably connected in the movable hole (10), a lock hole (12) is formed in the middle of the lock column (11), a slot (13) is formed in the inner wall of the lock hole (12), a moving hole (14) is formed in one end, far away from the jack (9), of the lock column (11), a connecting block (15) is movably clamped in the moving hole (14), an containing cavity (20) is formed in one end, far away from the jack (9), of the fixed column (8), and the containing cavity (20) is communicated with the moving hole (14), the side wall of the accommodating cavity (20) is relatively provided with a second conductive block (21), the second conductive block (21) is connected with a lead (23), and the lead (23) penetrates through the lock box (1) and is connected with an electromagnetic relay (24).

2. The high-safety insulating lock for the distribution box according to claim 1, is characterized in that: the refrigerator door is characterized in that a handle (5) is fixedly connected to the refrigerator door (2), and an indicator lamp (6) is arranged on the refrigerator door (2).

3. The high-safety insulating lock for the distribution box according to claim 1, is characterized in that: the connecting block (15) comprises an insulating block (16) and a first conductive block (17), the insulating block (16) is located on one side close to the jack (9), and the first conductive block (17) is located on one side far away from the jack (9).

4. The high-safety insulating lock for the distribution box according to claim 3, wherein the insulating lock comprises: a sliding groove (18) is formed in the inner wall of the moving hole (14), a sliding block (19) is fixedly connected to the side faces of the insulating block (16) and the first conducting block (17), and the sliding block (19) is movably clamped in the sliding groove (18).

5. The high-safety insulating lock for the distribution box according to claim 1, is characterized in that: a spring (22) is arranged between the side wall of the accommodating cavity (20) and the connecting block (15).

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