CN210200643U - Plug-in air circuit breaker - Google Patents

Abstract

The utility model discloses a plug-in air circuit breaker, including circuit breaker main part and circuit breaker housing, the circuit breaker main part is placed in the circuit breaker housing, the circuit breaker housing is left end face open-ended cuboid box body, still includes the mounting box, the mounting box is preceding terminal surface open-ended cuboid box body, be equipped with arch, mounting hole, trough and trough hole on the mounting box, be equipped with the recess on the circuit breaker housing, the recess with the arch cooperatees, the circuit breaker housing passes through the recess with bellied cooperation is placed in the mounting box. This application device simple to operate, especially when the maintenance breaks down, it is comparatively convenient to open, saves time for the maintenance personal, improves work efficiency.

Description

Plug-in air circuit breaker

Technical Field

The utility model relates to a circuit breaker equipment technical field, concretely relates to plug-in air circuit breaker.

Background

An air circuit breaker is a switch that automatically opens whenever the current in the circuit exceeds the rated current. An air circuit breaker is an important electric appliance in a distribution network and an electric power traction system, and integrates control and various protection functions. Besides the contact and breaking of the circuit, the protection of short circuit, severe overload and undervoltage, etc. of the circuit or electrical equipment can be realized, and the protection device can also be used for starting the motor infrequently. Since the air circuit breaker is widely used, the failure rate of the air circuit breaker is also high. At present, when air circuit breaker broke down, maintenance person will open air circuit breaker's front end housing through unscrewing the screw, then look over and maintain. However, such maintenance requires a lot of time, and after the screw is screwed off, the screw is lost because the screw is small in many cases, which requires the screw to be rearranged, which is very troublesome.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a plug-in air circuit breaker.

According to the technical scheme that this application embodiment provides, plug-in air circuit breaker, including circuit breaker main part and circuit breaker shell, the circuit breaker main part is placed in the circuit breaker shell, the circuit breaker shell is left end face open-ended cuboid box body, still includes the mounting box, the mounting box is preceding end face open-ended cuboid box body, be equipped with arch, mounting hole, trough and wire-routing hole on the mounting box, the arch is located on the mounting box inside surface, bellied quantity is three, the arch that the arch is the cuboid shape is three the arch is located respectively on right-hand member face, up end and the lower terminal surface in the mounting box, bellied preceding terminal surface with the preceding terminal surface of mounting box is located same vertical face, bellied rear end face with the rear end face of mounting box is located same vertical face, mounting hole, down the terminal surface, The wiring groove and the wiring hole are both positioned on the rear end face of the mounting box, the number of the mounting holes is a plurality of, the mounting holes are circular holes, the wiring groove is a rectangular groove, the wiring groove is positioned on the outer side surface of the mounting box, the upper end face of the wiring groove and the upper end face of the mounting box are positioned on the same horizontal plane, the lower end part of the wiring groove is communicated with the wiring hole, the number of the wiring holes is one, the wiring hole is positioned in the middle of the rear end face of the mounting box, and the wiring hole is a circular hole,

be equipped with the recess on the circuit breaker shell, the quantity of recess is three, and is three the recess all is located the outside surface of circuit breaker shell, it is three the recess is located respectively on outer up end, lower terminal surface and the right-hand member face of circuit breaker shell, the recess with the arch cooperatees, the circuit breaker shell passes through the recess with bellied cooperation is placed in the mounting box.

The utility model discloses in, bellied transverse section is the rectangle, bellied longitudinal section is the rectangle, bellied length with the width of mounting box is the same.

The utility model discloses in, the length of mounting box is greater than the length of circuit breaker shell.

The utility model discloses in, the width of recess with circuit breaker shell's width is the same.

The utility model discloses in, the transverse section of trough is the arc, the longitudinal section of trough is the rectangle.

The utility model discloses in, the diameter in walking the line hole is greater than the diameter of mounting hole.

The utility model discloses in, the circuit breaker housing with the mounting box is the plastic material.

To sum up, the beneficial effect of this application: this application device simple to operate, especially when the maintenance breaks down, it is comparatively convenient to open, saves time for the maintenance personal, improves work efficiency.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic front view of the overall device of the present invention;

fig. 2 is a schematic view of the external structure of the circuit breaker main body of the present invention placed in the circuit breaker housing;

fig. 3 is a schematic front view of the mounting box of the present invention;

fig. 4 is a schematic perspective view of the mounting box of the present invention;

fig. 5 is the utility model discloses the whole device behind the installation pull ring on the circuit breaker housing is the front view structure schematic diagram.

Reference numbers in the figures: a circuit breaker main body-1; a circuit breaker housing-2; groove-2.1; mounting a box-3; bump-3.1; mounting holes-3.2; a wiring groove-3.3; a wiring hole-3.4; a pull ring-5.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, plug-in air circuit breaker, including circuit breaker main part 1 and circuit breaker housing 2, circuit breaker main part 1 is placed in circuit breaker housing 2, circuit breaker housing 2 is left end face open-ended cuboid box body, the length of mounting box 3 is greater than circuit breaker housing 2's length. The circuit breaker shell 2 with the mounting box 3 is the plastic material.

As shown in fig. 3 and 4, the mounting box 3 is a rectangular box body with an opening on the front end surface, the mounting box 3 is provided with three protrusions 3.1, mounting holes 3.2, wiring grooves 3.3 and wiring holes 3.4, the protrusions 3.1 are located on the inner side surface of the mounting box 3, the protrusions 3.1 are rectangular protrusions, the three protrusions 3.1 are respectively located on the right end surface, the upper end surface and the lower end surface in the mounting box 3, the front end surface of the protrusions 3.1 and the front end surface of the mounting box 3 are located on the same vertical surface, the rear end surface of the protrusions 3.1 and the rear end surface of the mounting box 3 are located on the same vertical surface, the mounting holes 3.2, the wiring grooves 3.3 and the wiring holes 3.4 are located on the rear end surface of the mounting box 3, the number of the mounting holes 3.2 is several, and the mounting holes 3.2 are circular holes, the wiring groove 3.3 is a rectangular groove, the wiring groove 3.3 is located the outside surface of the mounting box 3, the up end of the wiring groove 3.3 with the up end of the mounting box 3 is located the same horizontal plane, the lower end of the wiring groove 3.3 with the wiring hole 3.4 intercommunication, the number of the wiring hole 3.4 is one, the wiring hole 3.4 is located the middle part of the rear end face of the mounting box 3, the wiring hole 3.4 is a circular hole, the transverse section of the bulge 3.1 is rectangular, the longitudinal section of the bulge 3.1 is rectangular, the length of the bulge 3.1 is the same as the width of the mounting box 3. The transverse section of the wiring groove 3.3 is arc-shaped, and the longitudinal section of the wiring groove 3.3 is rectangular. The diameter of the wiring hole 3.4 is larger than that of the mounting hole 3.2.

As shown in fig. 2, be equipped with recess 2.1 on the circuit breaker housing 2, the quantity of recess 2.1 is three, and is three recess 2.1 all is located the outside surface of circuit breaker housing 2, it is three recess 2.1 is located respectively on the outer up end of circuit breaker housing 2, lower terminal surface and the right-hand member face, recess 2.1 with protruding 3.1 cooperatees, circuit breaker housing 2 passes through recess 2.1 with protruding 3.1's cooperation is placed in mounting box 3. The width of the recess 2.1 is the same as the width of the circuit breaker housing 2.

Example 1: the bulge 3.1 and the mounting box 3 is of an integrated structure, the groove 2.1 is matched with the bulge 3.1, and the breaker shell 2 is placed in the mounting box 3 through the matching of the groove 2.1 and the bulge 3.1.

Example 2: when circuit breaker main part 1 breaks down and needs inspection circuit or maintenance circuit breaker, only need maintenance personal will circuit breaker housing 2 follow pull out in the mounting box 3 can, because circuit breaker housing 2's left end face opening, so can follow circuit breaker housing 2's left end face inspection or maintenance circuit breaker main part 1.

Example 3: the device of the application can also install the pull ring 4 on the front end face of the outer side of the circuit breaker shell 2, and is convenient for the circuit breaker shell 2 to be pulled out from the installation box 3, as shown in fig. 5.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (7)

1. Plug-in air circuit breaker, including circuit breaker main part (1) and circuit breaker housing (2), circuit breaker main part (1) is placed in circuit breaker housing (2), characterized by: breaker housing (2) is left end face open-ended cuboid box body, still includes mounting box (3), mounting box (3) are preceding terminal surface open-ended cuboid box body, be equipped with protruding (3.1), mounting hole (3.2), trough (3.3) and trough hole (3.4) on mounting box (3), protruding (3.1) is located on mounting box (3) inboard surface, the quantity of protruding (3.1) is three, protruding (3.1) is the arch of cuboid shape, and is three protruding (3.1) is located respectively on right-hand member face, up end and the lower terminal surface in mounting box (3), protruding (3.1) preceding terminal surface with the preceding terminal surface of mounting box (3) is located same vertical face, protruding (3.1) the rear end with the rear end of mounting box (3) is located same vertical face, mounting hole (3.2), The wiring grooves (3.3) and the wiring holes (3.4) are all located on the rear end face of the mounting box (3), the number of the mounting holes (3.2) is a plurality of, the mounting holes (3.2) are round holes, the wiring grooves (3.3) are rectangular grooves, the wiring grooves (3.3) are located on the outer side surface of the mounting box (3), the upper end faces of the wiring grooves (3.3) and the upper end face of the mounting box (3) are located on the same horizontal plane, the lower end portions of the wiring grooves (3.3) are communicated with the wiring holes (3.4), the number of the wiring holes (3.4) is one, the wiring holes (3.4) are located in the middle of the rear end face of the mounting box (3), and the wiring holes (3.4) are round holes,

be equipped with recess (2.1) on circuit breaker shell (2), the quantity of recess (2.1) is three, and is three recess (2.1) all is located the outside surface of circuit breaker shell (2), it is three recess (2.1) are located respectively on the outer up end of circuit breaker shell (2), lower terminal surface and the right-hand member face, recess (2.1) with protruding (3.1) cooperate, circuit breaker shell (2) pass through recess (2.1) with the cooperation of protruding (3.1) is placed in mounting box (3).

2. The pluggable air circuit breaker according to claim 1, wherein: the transverse section of the protrusion (3.1) is rectangular, the longitudinal section of the protrusion (3.1) is rectangular, and the length of the protrusion (3.1) is the same as the width of the mounting box (3).

3. The pluggable air circuit breaker according to claim 1, wherein: the length of the mounting box (3) is greater than that of the breaker shell (2).

4. The pluggable air circuit breaker according to claim 1, wherein: the width of the groove (2.1) is the same as the width of the breaker housing (2).

5. The pluggable air circuit breaker according to claim 1, wherein: the transverse section of the wiring groove (3.3) is arc-shaped, and the longitudinal section of the wiring groove (3.3) is rectangular.

6. The pluggable air circuit breaker according to claim 1, wherein: the diameter of the wiring hole (3.4) is larger than that of the mounting hole (3.2).

7. The pluggable air circuit breaker according to claim 1, wherein: the breaker shell (2) and the mounting box (3) are made of plastic materials.

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