CN209962986U

CN209962986U - Plastic case circuit breaker

Info

Publication number: CN209962986U
Application number: CN201921264490.0U
Authority: CN
Inventors: 景山墩
Original assignee: Chengxi Electric Co Ltd
Current assignee: Chengxi Electric Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-01-17
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a moulded case circuit breaker, including the casing, install before the casing plectrum switch of terminal surface, connect the electric pipe and install at the mounting panel that sets up at the casing rear end face, the multiunit mounting groove has been seted up to the top and the bottom equidistance of casing, and the inboard of multiunit mounting groove all inlays and be equipped with and connect the electric pipe, one side sliding block that the inside of multiunit mounting groove is close to connecting the electric pipe has the slide, and the rear end face fixedly connected with of slide runs through the inserted block that connects the electric pipe. The utility model discloses in, at first, adopt from locking-type block fixed knot to construct, the use of fastener has been avoided during the fixed wire of this kind of structure, and the daily operation of the operating personnel of both being convenient for uses, has also promoted the fixed efficiency of handling of circuit simultaneously, secondly, adopts combination formula mounting structure, and the moulded case circuit breaker built-up mounting of this kind of structure of being convenient for is handled, and the moulded case circuit breaker's of both being convenient for ann tears open the processing, has also promoted the fixed stability of moulded case circuit breaker simultaneously.

Description

Plastic case circuit breaker

Technical Field

The utility model relates to a moulded case circuit breaker technical field especially relates to a moulded case circuit breaker.

Background

The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the outer housing of the device to isolate the conductors from each other and from the grounded metal parts. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large molded case circuit breakers are equipped with a solid state trip sensor. The tripping unit comprises: thermomagnetic trip and electronic trip.

However, the existing molded case circuit breaker still has the disadvantages that: at first, adopt spiral case formula fixed knot structure mostly, during fixed wire, need lock fixed processing through the fastener, the operation is got up and is wasted time and energy, and the efficiency of fixed processing is lower simultaneously, and secondly, inside does not have the mounting structure that sets up, and the installation and the fixed processing of moulded case circuit breaker of being not convenient for, and the ann of moulded case circuit breaker tears open the processing comparatively loaded down with trivial details simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the plastic case circuit breaker is provided for solving the problems that locking and fixing treatment needs to be carried out through a fastener when a lead is fixed and the efficiency of the fixing treatment is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a moulded case circuit breaker, includes the casing, install before the casing plectrum switch of terminal surface, connect the electric pipe and install at the mounting panel that sets up at the casing rear end face, the top and the bottom of casing are impartial apart from having seted up the multiunit mounting groove, and the inboard of multiunit mounting groove all inlays and is equipped with and connects the electric pipe, one side sliding that the inside of multiunit mounting groove is close to the electric pipe has inlayed the slide, and the rear end face fixedly connected with of slide runs through the inserted block of electric pipe, the preceding terminal surface of slide is the pull post that horizontal fixedly connected with runs through the casing, two sets of fixture blocks that run through the casing are seted up to the preceding terminal surface bilateral symmetry of mounting panel, and wherein the.

As a further description of the above technical solution:

the side section of the clamping groove is of an L-shaped structure, and the inner surface wall of the clamping groove is mutually attached to the outer surface wall of the clamping block.

As a further description of the above technical solution:

the outside of the pull column is positioned between the shell and the sliding plate and is sleeved with an extrusion spring, one end of the extrusion spring is fixedly connected with the shell, and the other end of the extrusion spring is fixedly connected with the sliding plate.

As a further description of the above technical solution:

the inner side of the vertical end of the clamping groove is embedded with a limiting block in a sliding mode.

As a further description of the above technical solution:

a limiting groove is formed in one side, close to the limiting block, of the inner portion of the clamping block, and the limiting groove and the limiting block are attached to each other.

As a further description of the above technical solution:

mounting holes are formed in four corners inside the mounting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, adopt from locking-type block fixed knot to construct, the mounting groove has all been seted up in the top and the bottom of casing, and be provided with in the inboard of mounting groove and connect the electric pipe, the slide, the inserted block, draw post and extrusion spring, when drawing the post and outwards sliding, alright insert the inside that connects the electric pipe with the wire, under extrusion spring's elastic action when loosening and drawing the post, the inserted block just can fix the wire block in the inside that connects the electric pipe, the use of fastener has been avoided during the fixed wire of this kind of structure, the daily operation of the operating personnel of both being convenient for uses, the efficiency of the fixed processing of circuit has also been promoted simultaneously.

2. The utility model discloses in, adopt combination formula mounting structure, rear end face at the casing is provided with the mounting panel, fixture block and spacing groove, be provided with draw-in groove and stopper simultaneously on the casing, when needing to fix the casing on the mounting panel, pass through the outside that the draw-in groove slided to the fixture block with the casing, when the fixture block roll-off was totally to the interior of draw-in groove, slide the stopper to the fixture block direction, the stopper just can slide into the spacing inslot that the fixture block is inside to be seted up, just accomplished the aggregate erection of casing and mounting panel and handled, the molded case circuit breaker aggregate erection of this kind of structure is convenient for is handled, the ann of both being convenient for molded case circuit breaker is torn open and is handled.

Drawings

Fig. 1 shows a schematic perspective view of a structure provided according to an embodiment of the present invention;

fig. 2 shows a top view provided in accordance with an embodiment of the present invention;

fig. 3 shows a side view provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. a housing; 101. mounting grooves; 102. a card slot; 2. a paddle switch; 3. a power receiving tube; 4. a slide plate; 401. inserting a block; 5. pulling the column; 6. a compression spring; 7. mounting a plate; 701. mounting holes; 702. a clamping block; 703. a limiting groove; 8. and a limiting block.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a moulded case circuit breaker, which comprises a housin 1, install the plectrum switch 2 of terminal surface before casing 1, connect electric pipe 3 and install the mounting panel 7 at setting up at 1 rear end face of casing, multiunit mounting groove 101 has been seted up to the equal equidistance in top and the bottom of casing 1, and the inboard of multiunit mounting groove 101 all inlays and is equipped with and connects electric pipe 3, one side cunning that the inside of multiunit mounting groove 101 is close to connecting electric pipe 3 has inlayed slide 4, and slide 4's rear end face fixedly connected with runs through the inserted block 401 of connecting electric pipe 3, slide 4's preceding terminal surface is horizontal fixedly connected with and runs through casing 1's pull post 5, two sets of fixture blocks 702 that run through casing 1 are seted up to the preceding terminal surface bilateral symmetry of mounting panel 7, wherein.

Specifically, as shown in fig. 1 and 3, the side cross-section of the clamping groove 102 is of an L-shaped structure, the inner surface wall of the clamping groove 102 is attached to the outer surface wall of the clamping block 702, the inner side of the vertical end of the clamping groove 102 is embedded with the limiting block 8 in a sliding manner, the limiting groove 703 is formed in one side, close to the limiting block 8, of the clamping block 702, the limiting groove 703 is attached to the limiting block 8, the limiting block 8 and the limiting groove 703 are arranged, the clamping block 702 can be locked in the clamping groove 102 in a limiting manner, and therefore the movement of the shell 1 in the horizontal direction and the vertical direction.

Specifically, as shown in fig. 1 and 2, the outside of the pull column 5 is located between the casing 1 and the sliding plate 4, and is sleeved with an extrusion spring 6, and one end of the extrusion spring 6 is fixedly connected with the casing 1, the other end is fixedly connected with the sliding plate 4, mounting holes 701 have all been seted up at four corners in the inside of the mounting plate 7, the setting of the extrusion spring 6 can make the insert block 401 generate inward extrusion force, thereby with the wire block in the inside of connecting the electric pipe 3, the setting of the mounting holes 701, the mounting plate 7 of being convenient for passes through the installation and the fixed processing of the fastener.

The working principle is as follows: when the installation of the molded case circuit breaker needs to be carried out, the mounting plate 7 is fixed on the mounting surface at the designated position in advance through a fastening piece, the clamping groove 102 on the shell 1 is aligned with the clamping block 702 on the mounting plate 7, the shell 1 slides towards the mounting plate 7, when the shell 1 is attached to the mounting plate 7, the limiting block 8 slides towards the clamping block 702, the limiting block 8 slides into the limiting groove 703 arranged in the clamping block 702, the combined installation treatment between the shell 1 and the mounting plate 7 is completed, when the connection and fixation of a lead is needed, the pull post 5 slides outwards, the inserting block 401 on the sliding plate 4 slides out of the electric connection tube 3, the lead can be inserted into the electric connection tube 3, the pull post 5 is loosened after the lead is placed, the inserting block 401 slides into the electric connection tube 3 under the elastic force of the extrusion spring 6, and the lead is clamped and fixed in the electric connection tube 3, the process of installation and fixation of the wire is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A molded case circuit breaker comprises a case (1), a toggle switch (2) arranged on the front end surface of the case (1), a power connection tube (3) and an installation plate (7) arranged on the rear end surface of the case (1), it is characterized in that the top and the bottom of the shell (1) are provided with a plurality of groups of mounting grooves (101) at equal intervals, the inner sides of the multiple groups of mounting grooves (101) are embedded with the electricity-receiving tubes (3), one side of the interior of the multiple groups of mounting grooves (101) close to the electricity-receiving tubes (3) is embedded with a sliding plate (4) in a sliding way, the rear end surface of the sliding plate (4) is fixedly connected with an inserting block (401) which penetrates through the electric tube (3), the front end surface of the sliding plate (4) is horizontally and fixedly connected with a pull column (5) penetrating through the shell (1), two groups of clamping blocks (702) penetrating through the shell (1) are symmetrically arranged on two sides of the front end surface of the mounting plate (7), wherein, the inner part of the shell (1) is positioned at the outer side of the clamping block (702) and is provided with a clamping groove (102).

2. The molded case circuit breaker according to claim 1, wherein the side section of the engaging groove (102) is L-shaped, and an inner surface wall of the engaging groove (102) and an outer surface wall of the engaging block (702) are attached to each other.

3. A molded case circuit breaker according to claim 1, wherein the outer portion of the pull stud (5) is provided with a compression spring (6) between the case (1) and the slide (4), and one end of the compression spring (6) is fixedly connected with the case (1) and the other end is fixedly connected with the slide (4).

4. A molded case circuit breaker according to claim 2, wherein the vertical inner side of the card slot (102) is slidably inserted with a stopper (8).

5. The molded case circuit breaker according to claim 4, wherein a limiting groove (703) is formed in one side of the inside of the clamping block (702) close to the limiting block (8), and the limiting groove (703) and the limiting block (8) are attached to each other.

6. A molded case circuit breaker according to claim 1, wherein the mounting plate (7) has mounting holes (701) formed at four corners of the inner portion thereof.