CN214477253U

CN214477253U - Combined circuit breaker

Info

Publication number: CN214477253U
Application number: CN202120453629.7U
Authority: CN
Inventors: 叶委行; 寇元良; 曹海霞
Original assignee: Haiyuan Tianjin Intelligent Technology Co ltd
Current assignee: Haiyuan Tianjin Intelligent Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-22
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to an electrical equipment field especially relates to a modular circuit breaker, include: the casing, locate the casing switch of one side forward, coupling mechanism and locate the fixture of casing one side backward, can dismantle the connection through coupling mechanism between two adjacent circuit breakers, the latch segment of one of them circuit breaker makes two circuit breaker locking connection in rotating the locking groove of another circuit breaker, arbitrary circuit breaker takes place not hard up in a plurality of circuit breakers in the same block terminal, owing to receive the fixed of adjacent circuit breaker, can not drop from the block terminal, thereby the stability of circuit breaker installation has been improved, the normal operating of consumer has been ensured, the circuit breaker passes through the installing support joint in fixture and the block terminal, compare in traditional bolt installation convenient and fast more.

Description

Combined circuit breaker

Technical Field

The utility model relates to an electrical equipment field especially relates to a modular circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. Usually the circuit breaker is installed in the block terminal, and can set up a plurality of circuit breakers according to the difference of consumer quantity in same block terminal, and the circuit breaker among the prior art is independent fixed use, and does not produce between the adjacent circuit breaker and be connected, and after a circuit breaker is not hard up and drops even from the block terminal, can lead to the unable normal operating of consumer of its control.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough that exists among the prior art, provide a modular circuit breaker to increase the stability of circuit breaker installation in the block terminal, prevent that the individuality circuit breaker from droing in the block terminal.

The utility model discloses a realize through following technical scheme:

a modular circuit breaker, comprising: a shell, an on-off switch arranged on the forward surface of the shell, a connecting mechanism and a clamping mechanism arranged on the backward surface of the shell,

the adjacent two circuit breakers are detachably connected through a connecting mechanism, the connecting mechanism comprises an accommodating groove arranged on one side of the shell, a locking block arranged in the accommodating groove and a locking groove arranged on the other side of the shell, the vertical projections of the accommodating groove and the locking groove are both in a T shape, the locking block comprises a rotating part and a locking part, the middle of the rotating part is hinged with the accommodating groove, the locking part is vertical to the rotating part,

the clamping mechanism comprises two opposite clamping arms, and the free ends of the clamping arms are provided with limiting parts.

Preferably, the bottom of the locking groove is provided with a connecting column, and the locking part is provided with a connecting groove corresponding to the connecting column.

Preferably, the rotating part is provided with a limiting groove, and the inner wall of the locking groove is provided with a limiting bulge corresponding to the limiting groove.

Preferably, the accommodating groove and the locking groove are both provided with finger yielding grooves.

Preferably, the adjacent surfaces of the limiting parts of the two clamping arms are arc-shaped.

Preferably, the on-off switch comprises a switch bracket, a switch body and a locking nut arranged on the switch bracket.

The utility model has the advantages that:

(1) the adjacent two circuit breakers are detachably connected through the connecting mechanism, the locking block of one circuit breaker rotates into the locking groove of the other circuit breaker to enable the two circuit breakers to be locked and connected, any one circuit breaker in a plurality of circuit breakers in the same distribution box is loosened and cannot fall off from the distribution box due to the fixation of the adjacent circuit breakers, so that the installation stability of the circuit breakers is improved, and the normal operation of electric equipment is ensured;

(2) the circuit breaker passes through fixture and the installing support joint in the block terminal, compares in traditional bolt installation convenient and fast more.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a rear view structure diagram of the present invention;

fig. 3 is a reference diagram of the usage state of the present invention;

fig. 4 is a schematic structural diagram of the locking block of the present invention.

In the figure: 1. a housing; 2. a receiving groove; 3. a locking block; 4. a locking groove; 5. a rotating part; 6. a locking portion; 7. a clamp arm; 8. a limiting part; 9. connecting columns; 10. connecting grooves; 11. a limiting groove; 12. a finger abdicating groove; 13. a switch bracket; 14. a switch body; 15. and locking the nut.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the utility model relates to a combined circuit breaker, include: the power distribution box comprises a shell 1, an on-off switch arranged on the forward surface of the shell 1, a connecting mechanism and a clamping mechanism arranged on the backward surface of the shell 1, wherein the on-off switch is used for being connected with electric equipment and a power supply through wires to control the on-off of the electric equipment, the clamping mechanism is used for clamping and fixing a circuit breaker and an installation bracket in the power distribution box,

install a plurality of circuit breakers in the block terminal, can dismantle the connection through coupling mechanism between two adjacent circuit breakers, coupling mechanism is including locating the groove 2 of accomodating of casing 1 one side, locating the latch segment 3 of accomodating in the groove 2 and locating the locking groove 4 of casing 1 opposite side, the groove 2 of accomodating and the locking groove 4 vertical projection all are the T type, latch segment 3 includes middle rotating part 5 and the locking part 6 perpendicular with rotating part 5 of accomodating 2 articulated of groove, when two circuit breakers are connected, rotate the latch segment 3 of one of them circuit breaker, rotating part 5 rotates around the pivot, the locking part 6 card is gone into the locking groove 4 of another circuit breaker simultaneously, because receive the stress between locking part 6 and the locking groove 4, two adjacent circuit breakers zonulae occludens, accomplish fixedly, the coupling mechanism on arbitrary circuit breaker in this embodiment is presented and has two, the stability of the connection between the two circuit breakers is ensured,

fixture is including two clamping arm 7 that set up relatively, clamping arm 7's free end is equipped with spacing portion 8, and spacing portion 8 is the jack catch form, and when the circuit breaker was connected with the installing support in the block terminal, two clamping arm 7 pressed from both sides the upper and lower surface of tight installing support respectively, and the plane and the installing support of 8 rear ends in spacing portion offset to it is fixed to make fixture and installing support chucking.

Preferably, locking groove 4 bottom is equipped with spliced pole 9, be equipped with the spread groove 10 that corresponds with spliced pole 9 on the locking portion 6, when locking groove 4 was gone into to locking portion 6 card, spliced pole 9 inserted in spread groove 10, improved the fastness of connecting, prevent that locking portion 6 from deviating from in locking groove 4.

Preferably, be equipped with spacing groove 11 on the portion of rotating 5, 4 inner walls of locking groove are equipped with the spacing arch that corresponds with spacing groove 11, and when locking portion 6 card goes into locking groove 4, spacing groove 11 cooperatees with spacing arch, through interference fit, prevent that 5 revolute axle of portion of rotating from rotating by oneself and lead to latch segment 3 to deviate from in the locking groove 4.

Preferably, the accommodating groove 2 and the locking groove 4 are provided with finger yielding grooves 12, so that an operator can conveniently rotate the locking block 3 by using fingers.

Preferably, the adjacent surfaces of the limiting parts 8 of the two clamping arms 7 are arc-shaped, and when the clamping mechanism is installed towards the installation bracket, the clamping mechanism plays a role in guiding the clamping arms 7 to penetrate through the upper surface and the lower surface of the installation bracket.

Preferably, the on-off switch comprises a switch bracket 13, a switch body 14 and a locking nut 15 arranged on the switch bracket 13, wherein the locking nut 15 is used for screwing the electric wire, and the switch of the electric equipment is controlled through the switch body 14.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A modular circuit breaker, comprising: a shell, an on-off switch arranged on the forward surface of the shell, a connecting mechanism and a clamping mechanism arranged on the backward surface of the shell,

2. The combined circuit breaker of claim 1, wherein the locking groove has a connection post at a bottom thereof, and the locking portion has a connection groove corresponding to the connection post.

3. The combined circuit breaker of claim 1, wherein the rotating portion is provided with a limiting groove, and the inner wall of the locking groove is provided with a limiting protrusion corresponding to the limiting groove.

4. The modular circuit breaker as claimed in claim 1, wherein finger relief grooves are formed on the receiving groove and the locking groove.

5. The combined circuit breaker of claim 1, wherein adjacent surfaces of the position-restricting portions of the two clamp arms are arc-shaped.

6. The modular circuit breaker as claimed in claim 1, wherein the on-off switch comprises a switch bracket, a switch body and a lock nut provided on the switch bracket.