CN218769324U

CN218769324U - Circuit breaker with protective structure

Info

Publication number: CN218769324U
Application number: CN202222963046.6U
Authority: CN
Inventors: 冯成前; 冯旭; 张悦
Original assignee: Suqian Keruitong Electrical Equipment Co ltd
Current assignee: Suqian Keruitong Electrical Equipment Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-28
Anticipated expiration: 2032-11-07

Abstract

The utility model provides a circuit breaker with protective structure, which comprises a circuit breaker body, wherein a protective outer cover is mounted on the outer side of the circuit breaker body through screws, and the circuit breaker is characterized in that a wiring protective frame structure convenient to disassemble is mounted at the top of the protective outer cover; the front side of the protective outer cover is provided with a front side observation protective frame structure. The utility model can observe the state of the breaker body through the observation window; the protective cover can protect the upper side of the operation frame, so that dust can be prevented from easily falling to the inner side of the operation frame from the upper side; the screw is conveniently detached from the protective cover, so that the protective cover is convenient to detach, and the wiring operation is convenient to be carried out with the circuit breaker body.

Description

Circuit breaker with protective structure

Technical Field

The utility model belongs to the technical field of the circuit breaker, especially, relate to a circuit breaker with protective structure.

Background

The circuit breaker is a switching device capable of closing, bearing and opening a current under a normal circuit condition and closing, bearing and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range, the division of the high-voltage and low-voltage boundary lines is fuzzy, generally, the circuit breaker is called a high-voltage electrical appliance with more than three kilovolts, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power line, the motor and the like are protected, the circuit can be automatically cut off when faults such as serious overload, short circuit, undervoltage and the like occur, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and parts are generally not required to be changed after the fault current is broken.

The problem that the existing circuit breaker cannot be directly observed when wiring is troublesome after a protection structure is installed and protection is carried out is solved.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a circuit breaker with protective structure, its simple structure, convenient dismantlement is maintained, conveniently observes the circuit breaker when the protection.

The technical scheme is as follows: a circuit breaker with a protection structure comprises a circuit breaker body, wherein a protection outer cover is mounted on the outer side of the circuit breaker body through a screw, and the circuit breaker is characterized in that a wiring protection frame structure convenient to disassemble is mounted at the top of the protection outer cover; the front side of the protective outer cover is provided with a front side observation protective frame structure.

Preferably, the front side observation protective frame structure comprises a protective baffle, and an operation frame is embedded in the middle position of the front side of the protective baffle; the front side of the operation frame is glued with an observation window which is a PVC transparent plastic window; the upper part of the front side of the protective baffle is provided with a protective cover by a screw.

Preferably, the wiring protection frame structure convenient to disassemble comprises a protective cover convenient to disassemble, and a wiring groove is formed in the rear side of the protective cover convenient to disassemble; the four corners of the lower part of the conveniently-disassembled protecting cover are respectively glued with connecting lug plates.

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

the utility model discloses permeable observation window observes the state of circuit breaker body.

The utility model discloses utilize the protection casing can play the guard action to the upside of operation frame, and then can avoid the dust easily from the upside to drop the inboard of operation frame.

The utility model discloses dismantle the screw after pulling down the convenience with just, tear the protecting cover and follow the protection dustcoat to the operation of working a telephone switchboard is carried out with the circuit breaker body to the convenience.

Drawings

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

Fig. 2 is a schematic structural view of the wire-connecting protective frame structure convenient to disassemble.

Fig. 3 is a schematic structural view of the front side observation protective frame structure of the present invention.

In the figure:

1. a circuit breaker body; 2. a protective outer cover; 3. the wiring protection frame structure is convenient to disassemble; 31. the protecting cover is convenient to detach; 32. a wiring slot; 33. connecting the ear plates; 4. the front side observes the protection frame structure; 41. a protective baffle; 42. an operation frame; 43. an observation window; 44. a shield.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and fig. 3, the utility model provides a circuit breaker with a protective structure, which comprises a circuit breaker body 1, wherein a protective outer cover 2 is mounted on an outer screw of the circuit breaker body 1, and is characterized in that a wiring protective frame structure 3 convenient to disassemble is mounted at the top of the protective outer cover 2; a front observation protective frame structure 4 is arranged on the front side of the protective outer cover 2; the front observation protective frame structure 4 comprises a protective baffle 41, an operation frame 42 is embedded in the middle position of the front side of the protective baffle 41, and a user can operate the circuit breaker body 1 through the operation frame 42; an observation window 43 is glued to the front side of the operation frame 42, the observation window 43 is a PVC transparent plastic window, and the state of the circuit breaker body 1 can be observed through the observation window 43; the protective cover 44 is screwed to the upper front side of the protective shield 41, and the protective cover 44 can protect the upper side of the operation frame 42, thereby preventing dust from easily falling from the upper side to the inner side of the operation frame 42.

As shown in fig. 2, in the above embodiment, specifically, the wire protecting frame structure 3 convenient to detach includes a convenient-to-detach protecting cover 31, a wire connecting slot 32 is formed at a rear side position of the convenient-to-detach protecting cover 31, and a wire can pass through the wire connecting slot 32 to be connected with the circuit breaker body 1; the four corners of the lower part of the easily detachable protective cover 31 are respectively glued with connecting ear plates 33.

In the above embodiment, specifically, the protective baffle 41 is screwed to the front side of the protective housing 2.

In the above embodiment, it is concrete, the connection otic placode 33 peg graft in the inboard of protective housing 2, connect otic placode 33 simultaneously and pass through screw and protective housing 2 screwed connection, dismantle the screw back conveniently with just tearing open protecting cover 31 and dismantle from protective housing 2 to the convenience is worked a telephone switchboard with circuit breaker body 1 and is operated.

In the above embodiment, specifically, the rear side of the lower portion of the protective outer cover 2 is provided with a wiring slot.

Principle of operation

The utility model discloses in the course of the work, pass wiring fluting and wiring groove 32 with the wire during use at first, then be connected the wire with circuit breaker body 1, utilize the bolt to install circuit breaker body 1 in the inboard of protecting dustcoat 2 after that, utilize the screw to fix the otic placode 33 of will connecting on the upper portion of protecting dustcoat 2 simultaneously, can open observation window 43 during the operation and pass operation frame 42 and operate circuit breaker body 1.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The circuit breaker with the protection structure comprises a circuit breaker body (1), wherein a protection outer cover (2) is mounted on the outer side of the circuit breaker body (1) through a screw, and the circuit breaker is characterized in that a wiring protection frame structure (3) convenient to disassemble is mounted at the top of the protection outer cover (2); the front side of the protective outer cover (2) is provided with a front side observation protective frame structure (4).

2. The circuit breaker with protective structure according to claim 1, wherein said front side observation cage structure (4) comprises a protective shield (41), and an operation frame (42) is embedded in a front side middle position of said protective shield (41); the front side of the operation frame (42) is glued with an observation window (43), and the observation window (43) is a PVC transparent plastic window; a protective cover (44) is mounted on the upper part of the front side of the protective baffle (41) through screws.

3. The circuit breaker with protective structure according to claim 1, wherein said easy-to-detach wiring protection frame structure (3) comprises an easy-to-detach protective cover (31), and a wiring slot (32) is opened at the rear side position of said easy-to-detach protective cover (31); the four corners of the lower part of the conveniently-disassembled protective cover (31) are respectively glued with connecting ear plates (33).

4. The circuit breaker with protective structure according to claim 2, characterized in that said protective shutter (41) is screw-mounted on the front side of the protective casing (2).

5. A circuit breaker with protective structure according to claim 3, characterized in that the connecting ear plate (33) is inserted inside the protective housing (2), while the connecting ear plate (33) is screwed to the protective housing (2) by means of screws.

6. The circuit breaker with protective structure according to claim 1, characterized in that the lower rear side of the protective cover (2) is provided with a wiring slot.