CN215896282U

CN215896282U - Plastic case circuit breaker

Info

Publication number: CN215896282U
Application number: CN202122541492.3U
Authority: CN
Inventors: 汪旭; 王宇; 赵旭; 熊一凡; 赖韵宇
Original assignee: Anhui Honglvhuang Electric Technology Co ltd
Current assignee: Anhui Honglvhuang Electric Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-22
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a molded case circuit breaker, which relates to the technical field of circuit breakers and comprises a circuit breaker shell and an operating handle fixedly connected to the front end of the circuit breaker shell, wherein a plurality of connecting grooves which are arranged at equal intervals are formed in both ends of the upper end and the lower end of the circuit breaker shell, fastening bolts are arranged in the connecting grooves in a threaded mode, and a plurality of separation grooves are formed in both the upper end and the lower end of the circuit breaker shell. According to the utility model, the locking assembly, the base plate and the flash barrier are adopted, and the flash barrier is arranged on the base plate, so that the flash barrier can be simultaneously installed, the time is saved, the working efficiency is improved, then the base plate is arranged in the installation groove, the flash barrier is arranged in the flash barrier, the locking columns are aligned with the locking sleeve, the two locking columns are loosened, the locking columns are pushed to slide on the fixing rod under the thrust of the spring, one end of each locking column is inserted into the locking sleeve, and the base plate is locked, so that the flash barrier is not easy to fall off.

Description

Plastic case circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a molded case circuit breaker.

Background

The circuit breaker is a current switch device used for distributing electric energy and protecting power supply lines, motors and the like in real time, can timely bear, close and open current in a normal loop according to states of normal, overload, short circuit, undervoltage and the like of the circuit so as to ensure safe production.

When using this moulded case circuit breaker, need install the flash barrier in advance and carry out short-circuit protection, but current flash barrier all is single shaping, needs the installation one by one, leads to using comparatively inconveniently, and does not have locking Assembly after the installation, drops easily like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a molded case circuit breaker.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a moulded case circuit breaker, includes circuit breaker casing, fixed connection at the operating handle of circuit breaker casing front end, the spread groove that a plurality of equidistance set up is all seted up at circuit breaker casing upper and lower extreme both ends, the inside screw thread of spread groove is provided with fastening bolt, a plurality of separating grooves have all been seted up at circuit breaker casing upper and lower both ends, it is equipped with the flash barrier to separate the equal activity of inslot portion and insert, the common fixedly connected with base plate of the flash barrier other end.

Preferably, the rear side wall of the circuit breaker shell is provided with a mounting groove, the substrate is positioned inside the mounting groove, the rear end of the substrate is fixedly connected with a locking assembly, and the rear end of the circuit breaker shell is fixedly connected with a corresponding locking sleeve.

Preferably, the locking assembly comprises a fixed sleeve fixedly connected to the substrate, a fixed rod is fixedly connected to the inner wall of the fixed sleeve, a locking column is slidably arranged on the fixed rod, and the locking column is inserted into the locking sleeve.

Preferably, the fixing rod is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with the fixing sleeve and the locking column.

Preferably, the front end of the circuit breaker shell is fixedly connected with a U-shaped fixing strip, and a protective cover is arranged on the U-shaped fixing strip through rotation of a rotating shaft.

Preferably, the protective cover is internally provided with a cavity for accommodating the operating handle, and the protective cover is made of transparent plastic material.

Advantageous effects

1. According to the utility model, the locking assembly, the base plate and the flash barrier are adopted, and the flash barrier is arranged on the base plate, so that the flash barrier can be simultaneously installed, the time is saved, the working efficiency is improved, then the base plate is arranged in the installation groove, the flash barrier is arranged in the flash barrier, the locking columns are aligned with the locking sleeve, the two locking columns are loosened, the locking columns are pushed to slide on the fixing rod under the thrust of the spring, one end of each locking column is inserted into the locking sleeve, and the base plate is locked, so that the flash barrier is not easy to fall off.

2. According to the utility model, the U-shaped fixing strip and the protective cover are adopted, when the operating handle needs to be protected, the protective cover is rotated to cover the operating handle, so that protection is realized, the operating handle is prevented from being mistakenly damaged, and the operating handle can be watched at any time through the transparent material, so that the operation is more convenient.

Drawings

Fig. 1 is a front perspective structural view of a molded case circuit breaker according to the present invention;

fig. 2 is a rear perspective structural view of a molded case circuit breaker according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a three-dimensional structure diagram of a circuit breaker housing of a molded case circuit breaker according to the present invention.

Illustration of the drawings:

1. a circuit breaker housing; 2. an operating handle; 3. connecting grooves; 4. fastening a bolt; 5. a U-shaped fixing strip; 6. a protective cover; 7. an arc barrier; 8. a locking sleeve; 9. a substrate; 10. mounting grooves; 11. separating the grooves; 12. a locking assembly; 121. a locking post; 122. a spring; 123. fixing the rod; 124. and (4) fixing sleeves.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1-4, a molded case circuit breaker comprises a circuit breaker shell 1 and an operating handle 2 fixedly connected to the front end of the circuit breaker shell 1, wherein a plurality of connecting grooves 3 are formed in the upper end and the lower end of the circuit breaker shell 1 at equal intervals, fastening bolts 4 are arranged in the connecting grooves 3 in a threaded manner, a plurality of isolating grooves 11 are formed in the upper end and the lower end of the circuit breaker shell 1, arc isolating plates 7 are movably inserted in the isolating grooves 11, and a base plate 9 is fixedly connected to the other ends of the arc isolating plates 7.

Because the plurality of flash barriers 7 are arranged on the substrate 9, the flash barriers 7 can be installed at the same time, so that the time is saved, and the working efficiency is improved.

The rear side wall of the circuit breaker shell 1 is provided with a mounting groove 10, the substrate 9 is positioned inside the mounting groove 10, the rear end of the substrate 9 is fixedly connected with a locking component 12, and the rear end of the circuit breaker shell 1 is fixedly connected with a corresponding locking sleeve 8.

One end of the locking component 12 can be inserted into the locking sleeve 8, so that the base plate 9 is fixed, and the flash barrier 7 is not easy to fall off and is safe to use.

The locking assembly 12 comprises a fixing sleeve 124 fixedly connected to the substrate 9, a fixing rod 123 is fixedly connected to the inner wall of the fixing sleeve 124, a locking column 121 is slidably arranged on the fixing rod 123, the locking column 121 is inserted into the locking sleeve 8, a spring 122 is sleeved on the fixing rod 123, and two ends of the spring 122 are respectively fixedly connected with the fixing sleeve 124 and the locking column 121.

Set up base plate 9 inside mounting groove 10, flash barrier 7 sets up inside corresponding flash barrier 11, then aligns locking post 121 and lock sleeve 8, loosens two locking posts 121, under the thrust of spring 122, promotes this locking post 121 and slides on dead lever 123, and lock sleeve 8 is inserted to locking post 121 one end, realizes the locking to base plate 9 like this to flash barrier 7 is difficult for taking place to drop.

The front end of the circuit breaker shell 1 is fixedly connected with a U-shaped fixing strip 5, and a protective cover 6 is arranged on the U-shaped fixing strip 5 in a rotating mode through a rotating shaft.

When needs protect operating handle 2, rotate this protective cover 6, establish protective cover 6 cover on operating handle 2, realize the protection, avoid causing the mistake damage to operating handle 2 like this.

The protective cover 6 is provided with a cavity for accommodating the operating handle 2, and the protective cover 6 is made of transparent plastic.

And through transparent material, also can be at any time the condition of viewing operating handle 2, it is comparatively convenient.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a moulded case circuit breaker, its characterized in that, includes circuit breaker casing (1), fixed connection at operating handle (2) of circuit breaker casing (1) front end, connecting groove (3) that a plurality of equidistance set up are all seted up at circuit breaker casing (1) upper and lower end both ends, connecting groove (3) internal thread is provided with fastening bolt (4), a plurality of separating groove (11) have all been seted up at circuit breaker casing (1) upper and lower both ends, separating groove (11) inside equal activity is inserted and is equipped with flash barrier (7), the common fixedly connected with base plate (9) of flash barrier (7) other end.

2. A molded case circuit breaker according to claim 1, wherein the rear side wall of the circuit breaker casing (1) is provided with a mounting groove (10), the substrate (9) is located inside the mounting groove (10), the rear end of the substrate (9) is fixedly connected with a locking assembly (12), and the rear end of the circuit breaker casing (1) is fixedly connected with a corresponding locking sleeve (8).

3. A molded case circuit breaker according to claim 2, wherein the locking assembly (12) comprises a fixing sleeve (124) fixedly connected to the base plate (9), a fixing rod (123) is fixedly connected to an inner wall of the fixing sleeve (124), a locking post (121) is slidably disposed on the fixing rod (123), and the locking post (121) is inserted into the locking sleeve (8).

4. A molded case circuit breaker as claimed in claim 3, wherein the fixing rod (123) is sleeved with a spring (122), and two ends of the spring (122) are respectively and fixedly connected with the fixing sleeve (124) and the locking column (121).

5. A molded case circuit breaker according to claim 1, wherein a U-shaped fixing strip (5) is fixedly connected to the front end of the circuit breaker case (1), and a protecting cover (6) is rotatably disposed on the U-shaped fixing strip (5) through a rotating shaft.

6. A molded case circuit breaker according to claim 5, characterized in that the protective cover (6) has a cavity therein for receiving the operating handle (2), and the protective cover (6) is made of transparent plastic material.