CN213583663U

CN213583663U - Circuit breaker convenient to installation

Info

Publication number: CN213583663U
Application number: CN202022987828.4U
Authority: CN
Inventors: 韩刃
Original assignee: XIAMEN MINGHAN ELECTRIC CO Ltd
Current assignee: XIAMEN MINGHAN ELECTRIC CO Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-06-29
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a circuit breaker convenient to installation relates to circuit breaker technical field, for solving current circuit breaker installation dismantlement and needs other part complex problems. The externally mounted of circuit breaker has the protective housing, plastic casing is installed to the upper end of protective housing, the lower extreme fixed mounting of protective housing has the second fixed block, the third fixed block is installed to the upper end of second fixed block, and third fixed block and circuit breaker sliding connection, the inside of circuit breaker is provided with four first screws, the outside of first screw all is provided with the bolt, and the lower extreme of bolt extends to the inside of first screw, the lower extreme of first screw is provided with the second screw.

Description

Circuit breaker convenient to installation

Technical Field

The utility model relates to a circuit breaker technical field specifically is a circuit breaker convenient to installation.

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 within a prescribed time, and can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply line, a motor and the like, automatically cutting off a circuit when a fault such as severe overload or short circuit or undervoltage occurs, and the like, and has a function equivalent to a combination of a fuse type switch and an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current.

However, when the existing circuit breaker is installed, a screwdriver is needed to be used for fixing the circuit breaker in an electric box through screws, and the circuit breaker is difficult to detach due to the problems of rusting of the screws and the like during detachment, so that the existing requirements are not met, and the circuit breaker convenient to install is provided for the people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker convenient to installation to the circuit breaker installation dismantlement that proposes in solving above-mentioned background art needs other part complex problems.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit breaker convenient to installation, includes the circuit breaker, the externally mounted of circuit breaker has the protective housing, plastic casing is installed to the upper end of protective housing, the lower extreme fixed mounting of protective housing has the second fixed block, the third fixed block is installed to the upper end of second fixed block, and third fixed block and circuit breaker sliding connection, the inside of circuit breaker is provided with four first screws, the outside of first screw all is provided with the bolt, and the lower extreme of bolt extends to the inside of first screw, the lower extreme of first screw is provided with the second screw.

Preferably, the plastic shell is rotatably connected with the protective shell through a hinge.

Preferably, the equal fixed mounting in both ends of third fixed block has the sliding block, the both sides of the rear end of protective housing all are provided with the slide, and two slides and sliding block sliding connection, install a plurality of evenly distributed's spring between third fixed block and the protective housing.

Preferably, the bolt comprises first fixed block, rotatory piece, nut and double-screw bolt, and bolt and circuit breaker welded fastening, the nut is located the top of double-screw bolt, rotatory piece is located between double-screw bolt and the first screw, and just rotatory piece passes through screw-thread fit with the double-screw bolt, first fixed block is located the top of rotatory piece, and first fixed block is provided with two, and just first fixed block uses the centre of a circle of rotatory piece to be cyclic annular evenly distributed as the initial point.

Preferably, one end of the second screw hole is provided with a wiring hole, and the wiring hole penetrates through and extends to the front end and the rear end of the protective shell.

Preferably, a switch is mounted at the upper end of the circuit breaker.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an externally mounted at the circuit breaker has the protective housing, and the protective housing can protect the circuit breaker, can make the circuit breaker keep apart with the external world after installing, also can prevent the ash in waterproof, prevents the damage of circuit breaker, increases the live time of circuit breaker, installs plastic casing in the upper end of protective housing, and plastic casing can let the user externally look over the inside condition of totally enclosed protective housing, more does benefit to the user in later stage and overhauls the circuit breaker regularly.

2. The utility model discloses an install the third fixed block at the lower extreme of protective housing, the third fixed block passes through sliding block sliding connection with the protective housing, there is evenly distributed's spring between first fixed block and protective housing, in the installation, place the upper end of the erection column of third fixed block in the electric wire, pull down, straighten the lower extreme of erection column with the second fixed block after, third fixed block and second fixed block just can fix the circuit breaker through the elasticity of spring, it also only need follow the erection column outwards drag out the circuit breaker can to dismantle, the resilience of spring can push back original position with the third fixed block.

3. The utility model discloses an at the inside bolt that is provided with of first screw, double-screw bolt and circuit breaker welded fastening, rotatory piece passes through screw-thread fit with the double-screw bolt, and the back is moved up to rotatory piece clockwise turning, places the second screw with the one end of electric wire end in, and the anticlockwise rotation moves down rotatory piece after that, and other extra instruments of not can accomplish the wiring.

Drawings

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

fig. 2 is a schematic structural diagram of the circuit breaker of the present invention;

fig. 3 is a schematic view of the bottom structure of the protective shell of the present invention;

fig. 4 is a schematic view of the internal structure of the protective shell of the present invention;

fig. 5 is an appearance schematic view of a third fixing block of the present invention;

fig. 6 is a schematic view of the internal structure of the bolt of the present invention;

FIG. 7 is a partial enlarged view of the area A in FIG. two according to the present invention;

fig. 8 is a schematic view of an installation structure of the circuit breaker and the mounting bracket of the present invention;

fig. 9 is a partially enlarged view of the eighth B region of the present invention.

In the figure: 1. a circuit breaker; 2. a switch; 3. a bolt; 4. a first screw hole; 5. a second screw hole; 6. a first fixed block; 7. rotating the block; 8. a nut; 9. a stud; 10. a protective shell; 11. a wiring hole; 12. a hinge; 13. a plastic housing; 14. a second fixed block; 15. a third fixed block; 16. a slider; 17. a spring; 18. a slideway.

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. 1-9, the present invention provides an embodiment: the utility model provides a circuit breaker convenient to installation, including circuit breaker 1, circuit breaker 1's externally mounted has protective housing 10, plastic casing 13 is installed to the upper end of protective housing 10, the lower extreme fixed mounting of protective housing 10 has second fixed block 14, third fixed block 15 is installed to the upper end of second fixed block 14, and third fixed block 15 and circuit breaker 1 sliding connection, circuit breaker 1's inside is provided with four first screws 4, the outside of first screw 4 all is provided with bolt 3, and bolt 3's lower extreme extends to the inside of first screw 4, the lower extreme of first screw 4 is provided with second screw 5.

Further, the plastic case 13 is rotatably connected to the protective case 10 by a hinge 12, and the plastic case 13 can be opened by rotation to check the inside and directly observe the inside at the outside.

Further, the equal fixed mounting in both ends of third fixed block 15 has sliding block 16, and the both sides of the rear end of protective housing 10 all are provided with slide 18, and two

slide

18 and 16 sliding connection of sliding block, install a plurality of evenly distributed's spring 17 between third fixed block 15 and the protective housing 10, when the circuit breaker is taken off to needs, the resilience of spring 17 can make the resilience of third fixed block 15 rebound to the home position, makes things convenient for the installation next time.

Further, bolt 3 is by first fixed block 6, rotatory piece 7, nut 8 and double-screw bolt 9 are constituteed, and

bolt

3 and 1 welded fastening of circuit breaker, nut 8 is located the top of double-screw bolt 9, rotatory piece 7 is located between double-screw bolt 9 and first screw 4, and rotatory piece 7 passes through screw-thread fit with double-screw bolt 9, first fixed block 6 is located the top of rotatory piece 7, first fixed block 6 is provided with two, and first fixed block 6 is cyclic annular evenly distributed as the initial point with the centre of a circle of rotatory piece 7, can shift up rotatory piece 7 through the consequent needle, make the electric wire place into, anticlockwise rotation pushes down and can fix the electric wire, it can install to need not other equipment, first fixed block 6 and nut 8's material is the rubber material, prevent that the user from electrocuteeing when later periodic inspection.

Further, one end of the second screw hole 5 is provided with a wiring hole 11, the wiring hole 11 penetrates through and extends to the front end and the rear end of the protective shell 10, one end of an electric wire directly penetrates through the wiring hole 11 to be placed in the second screw hole 5, and then the bolt 3 is rotated anticlockwise, so that wiring can be completed.

Further, switch 2 is installed to the upper end of circuit breaker 1, and switch 2 installs in the inside of protective housing 10, prevents that the mistake from touching.

The working principle is as follows: when the breaker is used, the breaker 1 is installed firstly, the third fixing block 15 is placed at the upper end of the installation column in the switch cabinet and pulled downwards until the second fixing block 14 is positioned at the lower end of the installation column, the second fixing block 14 and the second fixing block 14 fix the breaker 1 due to the resilience of the spring 17, the installation is completed, when an electric wire is installed, other equipment is not needed, the plastic shell 13 is rotated and opened, then the bolt 3 at the corresponding position is rotated according to the required wire connecting position, the stud 9 is arranged in the bolt 3, the stud 9 is welded and fixed with the breaker 1, the rotating block 7 is arranged between the stud 9 and the first screw hole 4, the rotating block 7 is matched with the stud 9 through threads, the rotating block 7 is moved upwards by rotating the bolt 3 along with the potential needle, the electric wire is inserted into the second screw hole 5, then the bolt 3 is rotated anticlockwise, so that the rotating block 7 moves downwards, the electric wire is pressed down to complete installation, the installation modes of other wire positions are the same, the protective shell 10 is grabbed by a hand when the breaker 1 is disassembled, and after the protective shell is pulled out, the third fixing block 15 automatically rebounds to the original position due to the elastic force of the spring 17.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A circuit breaker convenient to installation, includes circuit breaker (1), its characterized in that: the externally mounted of circuit breaker (1) has protective housing (10), plastic casing (13) are installed to the upper end of protective housing (10), the lower extreme fixed mounting of protective housing (10) has second fixed block (14), third fixed block (15) are installed to the upper end of second fixed block (14), and third fixed block (15) and circuit breaker (1) sliding connection, the inside of circuit breaker (1) is provided with four first screw (4), the outside of first screw (4) all is provided with bolt (3), and the lower extreme of bolt (3) extends to the inside of first screw (4), the lower extreme of first screw (4) is provided with second screw (5).

2. A circuit breaker as claimed in claim 1, wherein: the plastic shell (13) is connected with the protective shell (10) through a hinge (12).

3. A circuit breaker as claimed in claim 1, wherein: the equal fixed mounting in both ends of third fixed block (15) has sliding block (16), the both sides of the rear end of protective housing (10) all are provided with slide (18), and two slide (18) and sliding block (16) sliding connection, install a plurality of evenly distributed's spring (17) between third fixed block (15) and protective housing (10).

4. A circuit breaker as claimed in claim 1, wherein: bolt (3) comprise first fixed block (6), rotatory piece (7), nut (8) and double-screw bolt (9), and bolt (3) and circuit breaker (1) welded fastening, nut (8) are located the top of double-screw bolt (9), rotatory piece (7) are located between double-screw bolt (9) and first screw (4), and just rotatory piece (7) pass through screw-thread fit with double-screw bolt (9), first fixed block (6) are located the top of rotatory piece (7), and first fixed block (6) are provided with two, and just first fixed block (6) are cyclic annular evenly distributed as the origin with the centre of a circle of rotatory piece (7).

5. A circuit breaker as claimed in claim 1, wherein: one end of the second screw hole (5) is provided with a wiring hole (11), and the wiring hole (11) penetrates through and extends to the front end and the rear end of the protective shell (10).

6. A circuit breaker as claimed in claim 1, wherein: and a switch (2) is installed at the upper end of the breaker (1).