CN214043557U

CN214043557U - Circuit breaker shell body structure

Info

Publication number: CN214043557U
Application number: CN202022905914.6U
Authority: CN
Inventors: 王宝阁; 丁永涛
Original assignee: Henan Juwei Shengchuang Power Equipment Co ltd
Current assignee: Henan Juwei Shengchuang Power Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-24
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a circuit breaker shell body structure, which comprises a backboard, backplate front end swing joint has the procapsid, procapsid front end fixedly connected with protruding shape box, set up the fixed orifices that the equidistance distributes on the backplate, the winding displacement hole that the equidistance distributes is seted up to procapsid upper end and lower extreme, the jack that the equidistance distributes is seted up to the procapsid front end, the wiring fixed terminal of upper end and lower extreme fixedly connected with equidistance symmetric distribution in the procapsid, the downthehole grafting of winding displacement has the cable, backplate left end fixedly connected with hinge, the first half-threaded rod of backplate right-hand member fixedly connected with, procapsid right-hand member fixedly connected with second half-threaded rod. This circuit breaker shell body structure mainly comprises backplate, procapsid and convex box, and during the installation, spare parts such as contact system and arc extinguishing system install in convex box, are not connected with the backplate, when needs are overhauld, only need unscrew the nut, alright open the casing and overhaul easy operation is swift.

Description

Circuit breaker shell body structure

Technical Field

The utility model relates to a circuit breaker equipment technical field specifically is a circuit breaker shell body structure.

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.

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, the circuit breaker has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, and generally comprises a contact system, an arc extinguishing system, an operating mechanism, a shell and the like, but the existing circuit breaker shell has a complex mounting structure, and is troublesome in maintaining internal electric elements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker shell body structure to provide the inconvenient problem of current circuit breaker shell dismouting in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit breaker shell body structure, includes the backplate, backplate front end swing joint has the procapsid, procapsid front end fixedly connected with protruding shape box, set up the fixed orifices that the equidistance distributes on the backplate, the winding displacement hole that the equidistance distributes is seted up to procapsid upper end and lower extreme, the jack that the equidistance distributes is seted up to the procapsid front end, the wiring fixed terminal of upper end and lower extreme fixedly connected with equidistance symmetric distribution in the procapsid, the downthehole grafting of winding displacement has the cable, backplate left end fixedly connected with hinge, the first half threaded rod of backplate right-hand member fixedly connected with, procapsid right-hand member fixedly connected with second half threaded rod, procapsid right-hand member swing joint has the nut.

Preferably, the wiring fixing terminals are vertically aligned with the wiring holes, the wiring fixing terminals are aligned with the insertion holes in parallel, the tail ends of the cables are inserted into the wiring fixing terminals, and the front side of the right end of the hinge is fixedly connected to the left end of the front shell.

Preferably, the front end of the first half threaded rod is attached to the rear end of the second half threaded rod, the first half threaded rod and the second half threaded rod are combined to form a complete threaded rod structure, and the outer side of the first half threaded rod and the outer side of the second half threaded rod are in threaded connection with nuts.

Preferably, the front end is provided with radiating holes distributed at equal intervals, and a filter layer net is fixedly connected in each radiating hole.

Preferably, the inner rear side of the front shell is fixedly connected with an annular rubber pad, and the rear end of the annular rubber pad is attached to the front end of the back plate.

Preferably, the front housing and the male magazine form a T-shaped structure.

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

1. the circuit breaker shell body structure mainly comprises a back plate, a front shell and a convex box, when in installation, parts such as a contact system, an arc extinguishing system and the like are installed in the convex box and are not connected with the back plate, when in need of maintenance, the shell can be opened for maintenance only by unscrewing a nut, and the operation is simple and rapid;

2. in the circuit breaker shell body structure, the heat dissipation holes are formed in the front ends of the convex boxes, so that the overall heat dissipation performance is improved, the damage to electric elements caused by heat accumulated inside is avoided, and meanwhile, the filtering layer nets are arranged in the heat dissipation holes, so that dust can be prevented from entering the shell;

3. according to the breaker shell body structure, the annular rubber pad is mounted on the rear side inside the front shell, and when the shell is closed, the annular rubber pad is tightly attached to the back plate, so that dust is prevented from entering the shell from a gap.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is the internal structure diagram of the front case of the present invention.

In the figure: 1. a back plate; 2. a front housing; 3. a convex box; 4. a fixing hole; 5. a wire arranging hole; 6. a jack; 7. a wiring fixing terminal; 8. a cable; 9. a hinge; 10. a first half-threaded rod; 11. a second half-threaded rod; 12. a nut; 13. heat dissipation holes; 14. a filter layer net; 15. an annular rubber pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a breaker shell body structure comprises a back plate 1, a front shell 2, a convex box 3, fixing holes 4, wire arranging holes 5, jacks 6, wiring fixing terminals 7, cables 8, hinges 9, a first half-threaded rod 10, a second half-threaded rod 11, nuts 12, radiating holes 13, a filter layer net 14 and an annular rubber pad 15, wherein the front end of the back plate 1 is movably connected with the front shell 2, the front end of the front shell 2 is fixedly connected with the convex box 3, the back plate 1 is provided with the fixing holes 4 which are distributed equidistantly, the upper end and the lower end of the front shell 2 are provided with the wire arranging holes 5 which are distributed equidistantly, the front end of the front shell 2 is provided with the jacks 6 which are distributed equidistantly, the upper end and the lower end in the front shell 2 are fixedly connected with the wiring fixing terminals 7 which are distributed equidistantly and symmetrically, the cables 8 are inserted in the wire arranging holes 5, the left end of the back plate 1 is fixedly connected with, the right end of the front shell 2 is movably connected with a nut 12.

Further, wiring fixed terminal 7 aligns with gang line hole 5 is perpendicular, and wiring fixed terminal 7 aligns with jack 6 parallel, and 8 terminal pegs graft in wiring fixed terminal 7 of cable, and hinge 9 right-hand member front side fixed connection is in 2 left ends of procapsid, connects backplate 1 and procapsid 2 through hinge 9.

Further, the front end of the first half-threaded rod 10 is attached to the rear end of the second half-threaded rod 11, the first half-threaded rod 10 and the second half-threaded rod 11 are combined to form a complete threaded rod structure, the outer sides of the first half-threaded rod 10 and the second half-threaded rod 11 are in threaded connection with nuts 12, the first half-threaded rod 10 and the second half-threaded rod 11 are fixed through the nuts 12, and the back plate 1 and the front shell 2 are tightly closed.

Furthermore, radiating holes 13 are formed in the front end of the shell, the radiating holes 13 are distributed at equal intervals, a filtering layer net 14 is fixedly connected into the radiating holes 13, overall radiating performance is improved, internal accumulated heat is avoided, damage to electric elements is avoided, and dust can be prevented from entering the shell through the filtering layer net 14.

Further, rear side fixedly connected with annular rubber pad 15 in procapsid 2, the laminating of annular rubber pad 15 rear end and backplate 1 front end avoids the dust to get into in the casing from the gap.

Further, the front shell 2 and the convex box 3 form a T-shaped structure, and during installation, parts such as a contact system and an arc extinguishing system are installed in the convex box 3.

The working principle is as follows: firstly, parts such as a contact system, an arc extinguishing system and the like are arranged in a convex box 3 and are not connected and fixed with a back plate 1, a cable 8 is inserted into a wiring hole 5, the tail end of the cable is inserted into a wiring fixing terminal 7, a fixing screw is inserted into an insertion hole 6 and is in threaded connection with the wiring fixing terminal 7, a wire head is pressed, the cable 8 is connected and fixed, a front shell 2 is closed, an annular rubber pad 15 is tightly attached to the back plate 1 to prevent dust from entering the shell from a gap, at the moment, a first half threaded rod 10 is attached to a second half threaded rod 11 to form a complete threaded rod, a nut 12 is screwed on the outer side to fix the complete threaded rod, finally, the screw is inserted into a fixing hole 4, the circuit breaker is arranged at an operation position through threaded connection, heat dissipation holes 13 increase the overall heat dissipation performance to avoid heat accumulation inside and damage to electric elements, and a filter layer net 14, during maintenance, the whole body of the shell is not required to be disassembled, and the shell 2 can be maintained only by unscrewing the nut 12.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A breaker shell body structure comprises a back plate (1), and is characterized in that: the front end of the back plate (1) is movably connected with a front shell (2), the front end of the front shell (2) is fixedly connected with a convex box (3), the back plate (1) is provided with fixing holes (4) which are distributed at equal intervals, the upper end and the lower end of the front shell (2) are provided with wire arranging holes (5) which are distributed at equal intervals, the front end of the front shell (2) is provided with jacks (6) distributed at equal intervals, the upper end and the lower end in the front shell (2) are fixedly connected with wiring fixed terminals (7) distributed symmetrically at equal intervals, a cable (8) is inserted in the wire arranging hole (5), the left end of the back plate (1) is fixedly connected with a hinge (9), backplate (1) right-hand member fixedly connected with first half-threaded rod (10), procapsid (2) right-hand member fixedly connected with second half-threaded rod (11), procapsid (2) right-hand member swing joint has nut (12).

2. The circuit breaker case body structure of claim 1, wherein: wiring fixed terminal (7) and winding displacement hole (5) are aimed at perpendicularly, wiring fixed terminal (7) and jack (6) parallel alignment, the terminal grafting of cable (8) is in wiring fixed terminal (7), hinge (9) right-hand member front side fixed connection is in procapsid (2) left end.

3. The circuit breaker case body structure of claim 1, wherein: the front end of the first half-threaded rod (10) is attached to the rear end of the second half-threaded rod (11), the first half-threaded rod (10) and the second half-threaded rod (11) are combined to form a complete threaded rod structure, and the outer sides of the first half-threaded rod (10) and the second half-threaded rod (11) are in threaded connection with nuts (12).

4. The circuit breaker case body structure of claim 1, wherein: the front end is provided with radiating holes (13) distributed at equal intervals, and a filtering layer net (14) is fixedly connected in the radiating holes (13).

5. The circuit breaker case body structure of claim 1, wherein: the rear side fixedly connected with annular rubber pad (15) in procapsid (2), annular rubber pad (15) rear end and backplate (1) front end laminating.

6. The circuit breaker case body structure of claim 1, wherein: the front shell (2) and the convex box (3) form a T-shaped structure.