CN211788872U - Circuit breaker convenient to dismantle - Google Patents

Abstract

The utility model relates to a circuit breaker convenient to disassemble, which comprises a base, a circuit breaker cover plate is arranged on the upper side of the base, a circuit breaker is arranged on the base, two opposite side surfaces of the base are respectively provided with two first grooves, two opposite side surfaces of the circuit breaker cover plate are respectively provided with two second grooves, the first grooves and the second grooves are positioned on the same vertical line, two cavities are arranged inside the base, a torsion spring rod is embedded inside the cavity, two ends of the torsion spring rod are fixed with spring pressure rods which are U-shaped, a torsion spring is embedded outside the torsion spring rod, a fixing piece is fixed on the torsion spring rod, a round hole is arranged on the inner wall of the cavity, one end of the torsion spring is fixed on the fixing piece, the other end of the torsion spring is embedded inside the round hole, and two sides of the spring pressure rods are both embedded in the first grooves, inside the second recess, the upside butt of spring strut's top and circuit breaker apron. This circuit breaker convenient to dismantle convenient to use, security are high.

Description

Circuit breaker convenient to dismantle

Technical Field

The utility model belongs to the technical field of the flue gas dust removal technique and specifically relates to a circuit breaker convenient to dismantle is related to.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

Most of wiring terminals of the existing circuit breakers are arranged outside the circuit breakers, so that the circuit breakers are easily interfered by the outside, and the safety is required to be improved. To some terminal settings circuit breakers in inside, need mostly to dismantle outside screw just removable apron wiring, circuit breaker apron is dismantled inconveniently, uses inconveniently. Therefore, a circuit breaker convenient to disassemble and convenient to use and high in safety is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a convenient to detach's circuit breaker of convenient to use, security height.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a circuit breaker convenient to dismantle, includes the base, the circuit breaker apron is installed to the upside of base, install circuit breaker on the base, all be provided with two first recesses on two relative sides of base, be provided with two second recesses on two relative sides of circuit breaker apron, first recess with the second recess is located same plumb line, the inside of base is provided with two cavitys, the inside embedding of cavity has the torsional spring pole, the both ends of torsional spring pole are fixed with the spring depression bar, the spring depression bar is "U" shape, the outside embedding of torsional spring pole has the torsional spring, be fixed with the stationary blade on the torsional spring pole, be provided with the round hole on the inner wall of cavity, the one end of torsional spring is fixed on the stationary blade, the other end embedding of torsional spring is in the inside of round hole, the both sides of spring depression bar all are embedded in first recess both sides, The top of the spring compression bar is abutted to the upper side of the circuit breaker cover plate.

Preferably, the circuit breaker convenient to disassemble, wherein the upper surface of the base is provided with a positioning column, the circuit breaker cover plate is provided with a positioning hole inside, and the positioning column is embedded in the positioning hole.

Preferably, the above-mentioned circuit breaker convenient to detach, wherein the upside of base is provided with a plurality of terminals, the terminal is located inside the circuit breaker apron, is suitable for preventing external contact electric leakage.

Preferably, the circuit breaker is convenient to disassemble, wherein a plurality of wire holes are formed in the side surface of the circuit breaker cover plate and are suitable for wires to penetrate.

Preferably, the above-mentioned easy-to-detach circuit breaker, wherein a rectangular hole is provided on the circuit breaker cover plate, and the circuit breaker is embedded inside the rectangular hole.

Preferably, in the circuit breaker convenient to disassemble, a bent portion of the spring pressing rod is provided with a chamfer.

The utility model has the advantages that: when using this convenient to detach's circuit breaker, the upside of base is provided with a plurality of terminals, and the terminal is located the inside of circuit breaker apron, can avoid the wiring to leak outward, and the security is higher. When dismantling the circuit breaker apron, directly break off two spring compression bar to the outside with the hand and break off with the fingers and thumb, make it break away from the contact with the circuit breaker apron, can take off the circuit breaker apron. When the wiring is finished and the circuit breaker cover plate is mounted, the two spring pressing rods are firstly opened outwards, the positioning columns are aligned to the positioning holes, the spring pressing rods are loosened after the circuit breaker cover plate is buckled, the spring pressing rods automatically rebound, and the top of the circuit breaker cover plate is tightly pressed. This circuit breaker convenient to dismantle convenient to use, security are high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a base;

FIG. 3 is a schematic diagram of a circuit breaker cover plate;

FIG. 4 is a half plane view of a side view of the present invention;

fig. 5 is a partial enlarged view of a portion a in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. breaker apron, 2, circuit breaker, 3, locating hole, 4, first recess, 5, spring depression bar, 6, line hole, 7, second recess, 8, rectangular hole, 9, base, 10, terminal, 11, reference column, 12, torsional spring pole, 13, torsional spring, 14, stationary blade, 15, round hole, 16, cavity.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, the circuit breaker convenient to disassemble comprises a base 9, and a circuit breaker cover plate 1 is installed on the upper side of the base 9. Install circuit breaker 2 on the base 9, be provided with rectangular hole 8 on the circuit breaker apron 1, circuit breaker 2 imbeds in rectangular hole 8's inside. Two opposite side surfaces of the base 9 are provided with two first grooves 4, two opposite side surfaces of the circuit breaker cover plate 1 are provided with two second grooves 7, the first grooves 4 and the second grooves 7 are located on the same vertical line, and each first groove 4 corresponds to each second groove 7 in a one-to-one mode and is consistent in width.

As shown in fig. 1, 4 and 5, two cavities 16 are provided inside the base 9, and the cavities 16 are located between the two first grooves 4 of the base 9. A torsion spring rod 12 is embedded in the cavity 16, the torsion spring rod 12 penetrates through the side wall of the cavity 16, spring pressing rods 5 are fixedly welded at two ends of the torsion spring rod 12, and the spring pressing rods 5 are U-shaped. Or the spring pressing rod 5 and the torsion spring rod 12 are integrally formed. A torsion spring 13 is embedded in the outer portion of the torsion spring rod 12, a fixing piece 14 is fixedly welded on the torsion spring rod 12, a round hole 15 is formed in the inner wall of the cavity 16, one end of the torsion spring 13 is fixed on the fixing piece 14, and the other end of the torsion spring 13 is embedded in the round hole 15. When the spring pressing rod 5 rotates, one end of the spring pressing rod located in the round hole 15 is fixed, and the other end of the spring pressing rod rotates along with the rotation of the fixed piece 14. When circuit breaker apron 1 lid is tight, spring strut 5's both sides all imbed in the inside of first recess 4, second recess 7, spring strut 5's top and circuit breaker apron 1's upside butt. At this time, the torsion spring 13 applies a torsion force to the spring pressing rod 5 towards the center direction of the circuit breaker, so that the spring pressing rod 5 is kept in a pressing state. When the circuit breaker cover plate 1 is disassembled, the two spring pressure rods 5 are directly opened outwards by hands, so that the two spring pressure rods are separated from the circuit breaker cover plate 1, and the circuit breaker cover plate 1 can be taken down.

As shown in fig. 1, 2 and 3, a positioning column 11 is disposed on the upper surface of the base 9, a positioning hole 3 is disposed inside the circuit breaker cover plate 1, and the positioning column 11 is embedded inside the positioning hole 3, so that accurate installation is facilitated. The upside of base 9 is provided with a plurality of terminals 10, and terminal 10 is located the inside of circuit breaker apron 1, is suitable for and prevents the external contact electric leakage, and the inside of circuit breaker apron 1 is interior concavity. The side of the circuit breaker cover plate 1 is provided with a plurality of wire holes 6 suitable for the penetration of wires. The bending part of the spring compression rod 5 is provided with a chamfer, and the edge part of the circuit breaker cover plate 1 contacting with the top of the spring compression rod 5 is also provided with a chamfer, so that the buckle and the disassembly are convenient, and the buckle is smoother.

When using this convenient to detach's circuit breaker, the upside of base 9 is provided with a plurality of terminals 10, and terminal 10 is located the inside of circuit breaker apron 1, can avoid the wiring to leak outward, and the security is better. When the circuit breaker cover plate 1 is disassembled, the two spring pressure rods 5 are directly opened outwards by hands, so that the two spring pressure rods are separated from the circuit breaker cover plate 1, and the circuit breaker cover plate 1 can be taken down. When wiring is accomplished after with circuit breaker apron 1 dress, break off two spring strut 5 outside earlier, make reference column 11 and locating hole 3 aim at, loosen spring strut 5 behind the 1 lock of circuit breaker apron, spring strut 5 is automatic kick-backs, compresses tightly circuit breaker apron 1 top. This circuit breaker convenient to dismantle convenient to use, security are high.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. A circuit breaker convenient to dismantle which characterized in that: comprises a base (9), a circuit breaker cover plate (1) is installed on the upper side of the base (9), a circuit breaker (2) is installed on the base (9), two opposite side surfaces of the base (9) are respectively provided with two first grooves (4), two opposite side surfaces of the circuit breaker cover plate (1) are respectively provided with two second grooves (7), the first grooves (4) and the second grooves (7) are positioned on the same vertical line, the inside of the base (9) is provided with two cavities (16), a torsion spring rod (12) is embedded in the cavities (16), two ends of the torsion spring rod (12) are fixed with spring pressing rods (5), the spring pressing rods (5) are U-shaped, torsion springs (13) are embedded in the outer parts of the torsion spring rod (12), fixing pieces (14) are fixed on the torsion spring rod (12), and round holes (15) are arranged on the inner walls of the cavities (16), the one end of torsional spring (13) is fixed on stationary blade (14), the other end embedding of torsional spring (13) is in the inside of round hole (15), the both sides of spring depression bar (5) all imbed the inside of first recess (4), second recess (7), the top of spring depression bar (5) with the upside butt of circuit breaker apron (1).

2. The circuit breaker of claim 1, wherein: the upper surface of base (9) is provided with reference column (11), the inside of circuit breaker apron (1) is provided with locating hole (3), reference column (11) embedding is in the inside of locating hole (3).

3. The circuit breaker of claim 1, wherein: the upside of base (9) is provided with a plurality of terminals (10), terminal (10) are located the inside of circuit breaker apron (1), are suitable for and prevent the external contact electric leakage.

4. The circuit breaker of claim 1, wherein: the side of circuit breaker apron (1) is provided with a plurality of line holes (6), is suitable for and penetrates the electric wire.

5. The circuit breaker of claim 1, wherein: the breaker cover plate (1) is provided with a rectangular hole (8), and the breaker switch (2) is embedded in the rectangular hole (8).

6. The circuit breaker of claim 1, wherein: and a chamfer is arranged at the bending part of the spring pressure lever (5).

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