CN212626675U

CN212626675U - Overcurrent protection device for power cabinet

Info

Publication number: CN212626675U
Application number: CN202021789006.9U
Authority: CN
Inventors: 吴金丹
Original assignee: Tianjin Anbao Electric Technology Co ltd
Current assignee: Tianjin Anbao Electric Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-02-26
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a power cabinet is with overcurrent protection device relates to power protection equipment field, and the insulating effect to current overcurrent protection device existence is poor, and the rate of reuse is low, and the operation degree of difficulty is big, and the problem that the protection effect is poor now proposes following scheme, and it includes the casing, the inboard fixed mounting of casing has electronic flexible post, electronic flexible post is embedded in the inboard of casing, one side fixed mounting that the casing lateral wall was kept away from to electronic flexible post has the insulator spindle, the inboard fixed mounting of casing has the dead lever, one side fixed mounting that the dead lever is close to electronic flexible post has the battery, one side fixed mounting that the dead lever is close to the insulator spindle has the connecting block, one side rotation that the dead lever was kept away from to the connecting block installs the connecting rod, the connecting rod is the. The utility model discloses novel structure, and easy operation, the protection is effectual, and the security is high, repeatedly usable, and reduce cost improves work efficiency.

Description

Overcurrent protection device for power cabinet

Technical Field

The utility model relates to a power protection equipment field especially relates to a power cabinet is with overcurrent protection device.

Background

Power transformation and shunt equipment that power cabinet was used commonly is the basis to electric power control and protection, and for reducing the power and overflowing to cause the injury to consumer, through set up overcurrent protection device in the power cabinet, when the power overflows, overcurrent protection device carries out power protection.

The overcurrent protection device used in the current market still has the defects in the using process, the insulation effect is poor, the reuse rate is low, the cost is high, the operation difficulty is high, and the protection effect is poor, so that the overcurrent protection device for the power cabinet is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of overcurrent protection device for power cabinet has solved the insulating effect that current overcurrent protection device exists poor, and the rate of reuse is low, and the operation degree of difficulty is big, protects the poor problem of effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an overcurrent protection device for a power cabinet comprises a shell, wherein an electric telescopic column is fixedly arranged on the inner side of the shell and is embedded in the inner side of the shell, an insulating rod is fixedly arranged on one side, away from the side wall of the shell, of the electric telescopic column, a fixed rod is fixedly arranged on the inner side of the shell, a storage battery is fixedly arranged on one side, close to the electric telescopic column, of the fixed rod, a connecting block is fixedly arranged on one side, close to the insulating rod, of the fixed rod, a connecting rod is rotatably arranged on one side, away from the fixed rod, of the connecting rod, the connecting rod is arc-shaped, a spring is fixedly arranged on one end, close to the connecting rod, away from the connecting block, of the fixed rod, a baffle is fixedly arranged on one side, away from the spring, of, the connecting rod matches with the insulator spindle, one side fixed mounting that the connecting block was kept away from to the dead lever has the terminal block, the casing lateral wall is provided with the apron, one side fixed mounting that the apron is close to the casing has the buckle, one side fixed mounting that the apron kept away from the casing has control switch.

Preferably, apron, electronic flexible post and insulator spindle all are unanimous with the axis of casing, and the apron is unanimous with the lateral wall of casing.

Preferably, battery, dead lever, connecting block, connecting rod, spring, baffle, sliding block and junction block all use the axis of casing to be the symmetry distribution as the symmetry axis.

Preferably, the inner side of the shell, which is far away from the electric telescopic column, is provided with a fixing groove, and the fixing groove is matched with the insulating rod.

Preferably, the lateral wall fixed mounting of casing has the fixed block, the fixed block uses two axis that the casing is the cross distribution to be the symmetry axis and is the symmetric distribution.

Preferably, the buckle is the L type, the buckle keeps away from one side embedded in the casing of apron, and matches with the casing joint.

The utility model has the advantages that:

control electronic flexible post through setting up control switch, make electronic flexible post electric insulator pole remove, remove according to the electric current condition, with the connecting rod separation, carry out power-off protection, pass through the spring through setting up the spring and be connected with the fixed block, support the connecting rod, make the connecting rod contact closely, easy operation can recover by oneself, degree of automation is high, and the protection is effectual, and can carry out used repeatedly.

To sum up, the device easy operation, the protection is effectual, and the security is high, repeatedly usable, reduce cost improves work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic cross-sectional view taken along line a-a in the present invention.

Reference numbers in the figures: 1. a housing; 2. an electric telescopic column; 3. an insulating rod; 4. a storage battery; 5. fixing the rod; 6. connecting blocks; 7. a connecting rod; 8. a spring; 9. a baffle plate; 10. a slider; 11. fixing grooves; 12. a fixed block; 13. a junction block; 14. a cover plate; 15. buckling; 16. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an overcurrent protection device for a power cabinet comprises a housing 1, wherein an electric telescopic column 2 is fixedly mounted on the inner side of the housing 1, the electric telescopic column 2 is embedded in the inner side of the housing 1, an insulating rod 3 is fixedly mounted on one side, away from the side wall of the housing 1, of the electric telescopic column 2, a fixing rod 5 is fixedly mounted on the inner side of the housing 1, a storage battery 4 is fixedly mounted on one side, close to the electric telescopic column 2, of the fixing rod 5, a connecting block 6 is fixedly mounted on one side, close to the insulating rod 3, of the fixing rod 5, a connecting rod 7 is rotatably mounted on one side, away from the fixing rod 5, of the connecting block 6, the connecting rod 7 is arc-shaped, a spring 8 is fixedly mounted at one end, away from the connecting block 6, of the fixing rod 5, close to the connecting, one end, far away from the baffle 9, of the sliding block 10 is embedded in the connecting rod 7 and is in sliding connection with the connecting rod 7, the connecting rod 7 is matched with the insulating rod 3, one side, far away from the connecting block 6, of the fixing rod 5 is fixedly provided with a wiring block 13, the side wall of the shell 1 is provided with a cover plate 14, one side, near the shell 1, of the cover plate 14 is fixedly provided with a buckle 15, one side, far away from the shell 1, of the cover plate 14 is fixedly provided with a control switch 16, the cover plate 14, the electric telescopic column 2 and the insulating rod 3 are all consistent with the central axis of the shell 1, the cover plate 14 is consistent with the side wall of the shell 1, the storage battery 4, the fixing rod 5, the connecting block 6, the connecting rod 7, the spring 8, the baffle 9, the sliding block 10 and the wiring block 13 are all symmetrically, fixed slot 11 matches with insulator spindle 3, the lateral wall fixed mounting of casing 1 has fixed block 12, fixed block 12 uses two axis that casing 1 is the cross distribution to be the symmetric distribution for the symmetry axis, buckle 15 is the L type, buckle 15 keeps away from one side embedded in casing 1 of apron 14, and matches with 1 joint of casing.

The working principle is as follows: when the overcurrent protection device is used, the device is firstly fixed on a power cabinet needing current protection, then a circuit needing overcurrent protection is fixedly connected with a junction block 13, the circuit is connected through the junction block 13 to work, a cover plate 14 is matched with a shell 1, the cover plate 14 is connected with the shell 1, a buckle 15 is arranged in the shell 1 to seal the device, when the current normally works, the circuit penetrates through a fixing rod 5 through the junction block 13 and enters a connecting block 6, the current of the connecting block 6 is electrified through a connecting rod 7 to be normally used, at the moment, a spring 8 is supported through a baffle 9 and a sliding block 10 to connect the connecting rod 7, and the two connecting rods 7 are closely contacted and electrified;

when the current is abnormal, the control switch 16 is touched, the control switch 16 sends a signal to the electric telescopic column 2, the electric telescopic column 2 is opened, the electric telescopic column 2 works and extends, the insulating rod 3 fixedly connected with the electric telescopic column moves, the insulating rod 3 moves to be contacted with the connecting rod 7, the two contacted connecting rods 7 are separated, the connecting rod 7 is stressed to rotate by taking the connecting point of the connecting rod 6 as an original point in the separation process, at the moment, the sliding block 10 slides on the connecting rod 7, the baffle plate 9 and the spring 8 are in a parallel state, the distance between the rotation of the connecting rod 7 and the fixed rod 5 is shortened, the spring 8 is stressed and compressed, the insulating rod 3 moves to the fixed groove 11 and stops moving, the connecting rod 7 is separated for overcurrent protection, when the current returns to normal, the control switch 16 is touched again, the electric telescopic column 2 is opened again, and the electric telescopic column 2 works and retracts, the sequence is, the two connecting rods 7 are contacted and electrified, and when the device is used, the device can be controlled through a control switch 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The overcurrent protection device for the power cabinet comprises a shell (1) and is characterized in that an electric telescopic column (2) is fixedly mounted on the inner side of the shell (1), the electric telescopic column (2) is embedded in the inner side of the shell (1), an insulating rod (3) is fixedly mounted on one side, away from the side wall of the shell (1), of the electric telescopic column (2), a fixing rod (5) is fixedly mounted on the inner side of the shell (1), a storage battery (4) is fixedly mounted on one side, close to the electric telescopic column (2), of the fixing rod (5), a connecting block (6) is fixedly mounted on one side, close to the insulating rod (3), of the fixing rod (5), a connecting rod (7) is rotatably mounted on one side, away from the fixing rod (5), of the connecting block (6), the connecting rod (7) is arc-shaped, and a spring (8) is fixedly mounted on one end, close to the, one side fixed mounting that dead lever (5) were kept away from in spring (8) has baffle (9), one side fixed mounting that spring (8) were kept away from in baffle (9) has sliding block (10), the one end that baffle (9) were kept away from in sliding block (10) is embedded in connecting rod (7), and with connecting rod (7) sliding connection, connecting rod (7) match with insulator spindle (3), one side fixed mounting that connecting block (6) were kept away from in dead lever (5) has wiring block (13), casing (1) lateral wall is provided with apron (14), one side fixed mounting that apron (14) are close to casing (1) has buckle (15), one side fixed mounting that casing (1) were kept away from in apron (14) has control switch (16).

2. The overcurrent protection device for the power supply cabinet as recited in claim 1, wherein the cover plate (14), the electric telescopic column (2) and the insulating rod (3) are all consistent with a central axis of the housing (1), and the cover plate (14) is consistent with a side wall of the housing (1).

3. The overcurrent protection device for the power cabinet as claimed in claim 2, wherein the storage battery (4), the fixing rod (5), the connecting block (6), the connecting rod (7), the spring (8), the baffle (9), the sliding block (10) and the connecting block (13) are symmetrically distributed with a central axis of the housing (1) as a symmetry axis.

4. The overcurrent protection device for the power supply cabinet as recited in claim 1, wherein the inner side of the housing (1) far away from the electric telescopic column (2) is provided with a fixing groove (11), and the fixing groove (11) is matched with the insulating rod (3).

5. The overcurrent protection device for the power cabinet as claimed in claim 2, wherein the fixing block (12) is fixedly mounted on the side wall of the housing (1), and the fixing block (12) is symmetrically distributed by taking two central axes of the housing (1) which are distributed in a crisscross manner as a symmetry axis.

6. The overcurrent protection device for the power supply cabinet as claimed in claim 1, wherein the clip (15) is L-shaped, and one side of the clip (15) away from the cover plate (14) is embedded in the housing (1) and is in snap fit with the housing (1).