CN209981132U

CN209981132U - Molded case circuit breaker adapter

Info

Publication number: CN209981132U
Application number: CN201921131825.1U
Authority: CN
Inventors: 钱立亮
Original assignee: Yueqing Tiancheng Enterprise Management Consulting Co Ltd
Current assignee: Yueqing Tiancheng Enterprise Management Consulting Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-01-21
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a plastic shell breaker adapter, which comprises a shell, wherein a breaker is fixed on the top of the shell, two springs are respectively fixed on the inner walls of two sides of the shell, a first limiting plate is fixed at one end of the spring far away from the shell, a fixed plate is fixed on the top of one side of the first limiting plate far away from the spring, and two second limiting plates are respectively fixed on one side of the first limiting plate far away from the spring, when the adapter of the breaker is required to be installed, the pin shaft in the pin shaft hole is pulled out by placing the adapter of the breaker on the outer sides of a bus and a connecting plate, the spring rebounds under the elastic action to extrude the first limiting plate, the two fixed plates are close to each other, the sliding mechanism is extruded to clamp the bus and the connecting plate between the two first limiting plates, and the installation by screws is not required, the installation of staff in the use process is greatly facilitated, and the working efficiency of the staff is accelerated.

Description

Molded case circuit breaker adapter

Technical Field

The utility model relates to an adapter technical field specifically is a moulded case circuit breaker adapter.

Background

The molded case circuit breaker is also called a device type circuit breaker, all parts are sealed in a plastic shell, and an auxiliary contact, an undervoltage release, a shunt release and the like are modularized. Because the structure is very compact, the molded case circuit breaker can not be overhauled basically. The manual operation is mostly adopted, and the high-capacity electric clutch can be selected. Due to the application of the electronic overcurrent release, the molded case circuit breaker can be divided into a type A and a type B, the type B has good three-section protection characteristics, and the existing adapter for wiring installation of the low-voltage molded case circuit breaker has the advantages of convenience in maintenance and replacement, simplicity and convenience in installation and disassembly, cabinet space saving and simplicity in wiring.

However, the prior art has a defect in the use process, in the prior art, the adapter of the circuit breaker needs to tightly press the pawl against the bus and the connecting plate through the screw, but needs to be assembled and disassembled from the inside of the body, the tangential and radial forces borne by the adapter during the connection of the installation screws of each phase are large, a plurality of screws need to be screwed during the installation, and the work efficiency of workers is greatly inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a moulded case circuit breaker adapter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a molded case circuit breaker adapter comprises a shell, wherein a circuit breaker is fixed on the top of the shell, two springs are respectively fixed on the inner walls of two sides of the shell, a first limiting plate is fixed at one end, away from the shell, of each spring, a fixing plate is fixed on the top of one side, away from the springs, of each first limiting plate, a second limiting plate is respectively fixed on the middle portion and the bottom of one side, away from the springs, of each first limiting plate, sliding grooves are respectively formed in one sides, close to each other, of the two fixing plates, a sliding mechanism is connected between the two sliding grooves in a sliding mode and comprises a pin shaft hole, sliding plates, pulleys, limiting rods and pin shafts, a plurality of pulleys are respectively fixed on two sides of each sliding plate, each sliding plate is connected inside each sliding groove in a sliding mode through the pulleys, each limiting rod is fixed on the bottom of each sliding plate, and a conductive plate is fixed on the side surface of the first limiting plate on one side in the shell and is positioned between the two second limiting plates.

Preferably, the conductive plate is electrically connected to the input end of the fixing plate.

Preferably, the number of the pulleys is not less than four.

Preferably, the interval between the two second limiting plates is 2-3cm, and the two second limiting plates are parallel to each other.

Preferably, a handle is fixed at the top of the sliding plate.

In the prior art, the adapter of the circuit breaker needs to tightly press the pawl against the bus and the connecting plate through the screws, but needs to be installed and disassembled from the inside of a body, the tangential and radial forces borne by the adapter are large when the bolts are installed and connected mutually, a plurality of screws need to be screwed during installation, and the work efficiency of workers is greatly inconvenient

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a slide mechanism has been set up in the inside of casing, when needs are installed, place the outside at generating line and connecting plate through the adapter with the circuit breaker, extract the round pin axle of round pin shaft hole inside, the spring receives the elastic action bounce-back, extrude first limiting plate, be close to each other between two fixed plates, extrude slide mechanism, block generating line and connecting plate between two first limiting plates, need not pass through the installation of screw, the very big installation of staff at the use that has made things convenient for, staff's work efficiency has been accelerated.

Drawings

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

fig. 2 is a schematic structural view of the sliding mechanism of the present invention.

In the figure: 1-fixing the plate; 2-a chute; 3-a sliding mechanism; 4-a circuit breaker; 5-a shell; 6-a spring; 7-a first limiting plate; 8-a second limiting plate; 9-a handle; 10-a conductive plate; 11-pin shaft holes; 12-a slide plate; 13-a pulley; 14-a limiting rod; 15-pin shaft.

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 and fig. 2, the present invention provides a technical solution: a molded case circuit breaker adapter comprises a shell 5, a circuit breaker 4 is fixed at the top of the shell 5, two springs 6 are respectively fixed on the inner walls of two sides of the shell 5, a first limiting plate 7 is fixed at one end of each spring 6 far away from the shell 5, a fixed plate 1 is fixed at the top of one side of the first limiting plate 7 far away from the spring 6, a second limiting plate 8 is respectively fixed at the middle part and the bottom of one side of the first limiting plate 7 far away from the spring 6, sliding grooves 2 are respectively arranged at one sides of the two fixed plates 1 close to each other, a sliding mechanism 3 is connected between the two sliding grooves 2 in a sliding way, the sliding mechanism 3 comprises a pin shaft hole 11, a sliding plate 12, a pulley 13, a limiting rod 14 and a pin shaft 15, a plurality of pulleys 13 are respectively fixed at two sides of the sliding plate 12, the sliding plate 12 is connected inside the sliding grooves 2 in a sliding way through the pulleys 13, the pin shaft 15 is inserted in the pin shaft hole 11, the conductive plate 10 is fixed on the side face of the first limiting plate 7 on one side in the shell 5, and the conductive plate 10 is located between the two second limiting plates 8.

The current conducting plate 10 is electrically connected with the input end of the fixing plate 1, the number of the pulleys 13 is not less than four, sliding of the sliding plate 12 is facilitated, the interval between the two second limiting plates 8 is 2-3cm, the two second limiting plates 8 are parallel to each other, the current conducting plate can be clamped into a bus bar row needing to be fixed more conveniently, the handle 9 is fixed to the top of the sliding plate 12, the sliding plate 12 is pulled conveniently, and labor intensity of workers is reduced.

The working principle is as follows: the utility model discloses in the installation, place the both sides at generating line and connecting plate respectively through the second limiting plate 8 with the adapter, pull pin shaft 15 again and pull out from round pin shaft hole 11, spring 6 receives the elastic action bounce-back, begin to extrude first limiting plate 7, the effect of external force is received to slide 12, through the slow inside roll-off from spout 2 of pulley 13, first limiting plate 7 receives the effect of spring force, extrude with generating line and connecting plate, fix the adapter in the both sides of connecting plate, can restrict the removal of adapter through second limiting plate 8, fix the both sides at the connecting plate with the adapter is stable, when needs are dismantled, insert the inside of spout 2 with slide 12, prop open fixed plate 1 through the extrusion, drive the removal of first limiting plate 7, the adapter is no longer fixed on the connecting plate, make things convenient for staff's dismantlement.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A molded case circuit breaker adaptor includes a case (5), characterized in that: the circuit breaker is characterized in that a circuit breaker (4) is fixed at the top of the shell (5), two springs (6) are fixed on the inner walls of the two sides of the shell (5) respectively, a first limiting plate (7) is fixed at one end, far away from the shell (5), of each spring (6), a fixing plate (1) is fixed at the top, far away from one side of each spring (6), of each first limiting plate (7), a second limiting plate (8) is fixed at the middle part and the bottom, far away from one side of each spring (6), of each first limiting plate (7), sliding grooves (2) are formed in one side, close to each other, of the two fixing plates (1), a sliding mechanism (3) is connected between the two sliding grooves (2) in a sliding mode, each sliding mechanism (3) comprises a pin shaft hole (11), a sliding plate (12), pulleys (13), a limiting rod (14) and a pin shaft (15), slide (12) are in the inside of spout (2) through pulley (13) sliding connection, the bottom of slide (12) is fixed with limiting rod (14), round pin shaft hole (11) have been seted up to the bottom in round pin shaft hole (11), the inside grafting in round pin shaft hole (11) has round pin axle (15), the side of the inside one side first limiting plate (7) of casing (5) is fixed with current conducting plate (10), current conducting plate (10) are located between two second limiting plates (8).

2. The molded case circuit breaker adaptor of claim 1, wherein: the conducting plate (10) is electrically connected with the input end of the fixing plate (1).

3. The molded case circuit breaker adaptor of claim 1, wherein: the number of the pulleys (13) is not less than four.

4. The molded case circuit breaker adaptor of claim 1, wherein: the interval between the two second limiting plates (8) is 2-3cm, and the two second limiting plates (8) are parallel to each other.

5. The molded case circuit breaker adaptor of claim 1, wherein: the top of the sliding plate (12) is fixed with a handle (9).