CN212648151U

CN212648151U - Low-voltage circuit breaker easy to assemble

Info

Publication number: CN212648151U
Application number: CN202021712195.XU
Authority: CN
Inventors: 易仁波
Original assignee: Kangneng Guangzhou Technology Co ltd
Current assignee: Kangneng Guangzhou Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-03-02
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a low voltage circuit breaker easy to assemble, casing behind circuit breaker procapsid and circuit breaker, the equal fixed mounting in position that circuit breaker procapsid both sides face is close to both ends has the fixed block, the position that casing both sides and fixed block correspond all is provided with the spacing ring behind the circuit breaker, the centre of spacing ring is provided with circular through-hole, the edge that the spacing ring medial surface is located circular through-hole is provided with ring groove, the surface of spacing ring is provided with the spacing groove, ring groove's inside joint has the disc, the outside fixed mounting of disc has the cylinder piece, the fixed surface of cylinder piece installs the gag lever post, the lateral surface fixed mounting of cylinder piece has arc-shaped fixing plate. The utility model discloses a set up knob, arc fixed plate, fixed block, spacing ring and arc card strip and constitute fixed knot and construct to install the preceding terminal surface of casing behind the circuit breaker with the circuit breaker procapsid, be convenient for dismantle and fix.

Description

Low-voltage circuit breaker easy to assemble

Technical Field

The utility model relates to a circuit breaker technical field specifically is a low voltage circuit breaker easy to assemble.

Background

The breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time; the circuit breakers are divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breakers, the high-voltage and low-voltage boundary line is divided more fuzzinly, and the circuit breakers above 3kV are generally called high-voltage electrical appliances; the breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like; moreover, parts are not required to be changed after the fault current is disconnected; at present, it has been widely used.

However, the existing circuit breaker needs to detach the front housing to process the internal electric wires in the installation process, and when the internal part has a fault, the circuit breaker cannot be conveniently detached and installed; therefore, the existing requirements are not met, and for this reason we propose a low-voltage circuit breaker which is easy to install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low voltage circuit breaker easy to assemble to current circuit breaker that proposes in solving above-mentioned background art need pull down the procapsid in the installation and handle inside electric wire, when inside breaking down, can not be convenient dismantle and install the scheduling problem with it.

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage circuit breaker convenient to install comprises a circuit breaker front shell and a circuit breaker rear shell, wherein fixing blocks are fixedly installed at positions, close to two ends, of two side faces of the circuit breaker front shell, limiting rings are arranged at positions, corresponding to the fixing blocks, of two sides of the circuit breaker rear shell, a circular through hole is formed in the middle of each limiting ring, an annular clamping groove is formed in the edge, located at the edge of the circular through hole, of the inner side face of each limiting ring, a limiting groove is formed in the outer surface of each limiting ring, a disc is clamped in the annular clamping groove, a cylindrical block is fixedly installed on the outer side of the disc, a limiting rod is fixedly installed on the outer surface of the cylindrical block, an arc-shaped fixing plate is fixedly installed on the outer side face of the cylindrical block, a clamping groove A is formed, the inside joint of draw-in groove A has the arc card strip, the fixed surface of arc card strip installs the driving lever, and the lateral surface fixed mounting of arc fixed plate has the knob.

Preferably, the outer surface of the cylindrical block is clamped inside the circular through hole, and the height of the limiting rod is smaller than the width of the limiting ring.

Preferably, the outer surface of one end, close to the arc-shaped clamping strip, of the shifting lever is clamped inside the arc-shaped sliding groove, and the top end of the arc-shaped clamping strip is clamped inside the clamping groove A.

Preferably, the cross sections of the clamping grooves A and B are the same.

Preferably, the outer surface of the fixing block is attached to the inner wall of the arc-shaped clamping strip.

Preferably, the knob, the arc-shaped fixing plate, the disc, the limiting rod and the cylindrical block are of an integrally formed structure.

Preferably, the angle of the limiting groove is fifteen degrees, and the arc length of the arc-shaped clamping strip is greater than the arc length between the two ends of the arc-shaped fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up knob, arc fixed plate, fixed block, spacing ring and arc card strip and constitute fixed knot to install the front end face at circuit breaker rear housing with the circuit breaker procapsid, be convenient for dismantle and fix;

2. the utility model discloses a set up gag lever post and spacing groove, control arc fixed plate's rotation angle makes arc fixed plate more stable in the course of the work, avoids the not hard up that rotatable range too big caused.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a partial structural schematic view of the fixing structure of the present invention;

fig. 3 is a schematic view of the fixing structure of the present invention;

fig. 4 is a schematic structural view of the fixing structure in a semi-open state according to the present invention.

In the figure: 1. a circuit breaker front housing; 2. a knob; 3. an arc-shaped fixing plate; 4. a fixed block; 5. a limiting ring; 6. an arc-shaped clamping strip; 7. a clamping groove A; 8. a deflector rod; 9. an arc-shaped chute; 10. an annular neck; 11. a disc; 12. a limiting rod; 13. a limiting groove; 14. a circular through hole; 15. a cylindrical block; 16. a clamping groove B; 17. circuit breaker rear housing.

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.

Referring to fig. 1 to 4, the present invention provides an embodiment: a low-voltage circuit breaker convenient to install comprises a circuit breaker front shell 1 and a circuit breaker rear shell 17, wherein fixing blocks 4 are fixedly installed at positions, close to two ends, of two side faces of the circuit breaker front shell 1, limiting rings 5 are arranged at positions, corresponding to the fixing blocks 4, of two sides of the circuit breaker rear shell 17, a circular through hole 14 is formed in the middle of each limiting ring 5, an annular clamping groove 10 is formed in the edge, located at the circular through hole 14, of the inner side face of each limiting ring 5, a limiting groove 13 is formed in the outer surface of each limiting ring 5, a circular disc 11 is clamped in the annular clamping groove 10, a cylindrical block 15 is fixedly installed on the outer side of each circular disc 11, a limiting rod 12 is fixedly installed on the outer surface of each cylindrical block 15, an arc-shaped fixing plate 3 is fixedly installed on the outer side face of each cylindrical block 15, a clamping groove A86, the inside joint of draw-in groove A7 has arc card strip 6, and the fixed surface of arc card strip 6 installs driving lever 8, and the lateral surface fixed mounting of arc fixed plate 3 has knob 2. Wherein, the circuit breaker (model can be 1P + N/63A) mentioned in the utility model can be obtained from market purchase or private customization.

Further, the outer surface of the cylindrical block 15 is clamped inside the circular through hole 14, and the height of the limiting rod 12 is smaller than the width of the limiting ring 5.

By adopting the technical scheme, the cylindrical block 15 can rotate in the circular through hole 14.

Furthermore, the outer surface of the shifting lever 8 close to one end of the arc-shaped clamping strip 6 is clamped inside the arc-shaped sliding groove 9, and the top end of the arc-shaped clamping strip 6 is clamped inside the clamping groove A7.

Through adopting above-mentioned technical scheme, make driving lever 8 can pass arc spout 9 fixed mounting on the surface of arc card strip 6 to make driving lever 8 drive arc card strip 6 and slide in the inside of draw-in groove A7 when the inside slip of arc spout 9.

Further, the cross section of the card slot a7 is the same as the cross section of the card slot B16.

By adopting the technical scheme, the bottom end of the arc-shaped clamping strip 6 can be clamped in the clamping groove B16.

Further, the outer surface of the fixing block 4 is attached to the inner wall of the arc-shaped clamping strip 6.

Through adopting above-mentioned technical scheme to with circuit breaker procapsid 1 fixed mounting at the preceding terminal surface of casing 17 behind the circuit breaker.

Further, the knob 2, the arc-shaped fixing plate 3, the disc 11, the limiting rod 12 and the cylindrical block 15 are of an integrally formed structure.

Through adopting above-mentioned technical scheme, can directly drive arc fixed plate 3, disc 11, gag lever post 12 and cylinder piece 15 through knob 2 and rotate.

Further, the angle of the limiting groove 13 is fifteen degrees, and the arc length of the arc-shaped clamping strip 6 is larger than the arc length between the two ends of the arc-shaped fixing plate 3.

Through adopting above-mentioned technical scheme, restriction arc fixed plate 3's turned angle.

The working principle is as follows: during the use, fix casing 17 in the ammeter case behind the circuit breaker, rotate arc fixed plate 3 through knob 2, arc fixed plate 3 drives disc 11 and gag lever post 12 through cylinder piece 15 and rotates, gag lever post 12 limits arc fixed plate 3's rotation angle, make fixed block 4 locate the position between arc fixed plate 3 both ends, aim at casing 17 behind the circuit breaker procapsid 1, rotate knob 2, knob 2 drives arc fixed plate 3 and rotates, block fixed block 4 in arc fixed plate 3's inside, stir driving lever 8, make driving lever 8 slide along arc spout 9, driving lever 8 drives arc card strip 6 and slides in the inside of draw-in groove A7, block the top card of arc card strip 6 in the inside of draw-in groove B16, make fixed block 4's surface and the laminating of arc card strip 6's inner wall, thereby with circuit breaker procapsid 1 fixed mounting on the preceding terminal surface of casing 17 behind the circuit breaker.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a low voltage circuit breaker easy to assemble, casing after including circuit breaker procapsid and circuit breaker, its characterized in that: the circuit breaker comprises a circuit breaker front shell, a circuit breaker rear shell and a circuit breaker front shell, wherein the positions of two sides of the circuit breaker front shell, which are close to two ends, are fixedly provided with fixed blocks, the positions of two sides of the circuit breaker rear shell, which correspond to the fixed blocks, are provided with limit rings, the middle of each limit ring is provided with a circular through hole, the inner side surface of each limit ring, which is positioned at the edge of the circular through hole, is provided with an annular clamping groove, the outer surface of each limit ring is provided with a limiting groove, a disc is clamped in the annular clamping groove, the outer side of the disc is fixedly provided with a cylindrical block, the outer surface of the cylindrical block is fixedly provided with a limiting rod, the outer side surface of the cylindrical block is fixedly provided with an arc-shaped fixed plate, one end of the arc-shaped fixed, the outer side surface of the arc-shaped fixing plate is fixedly provided with a knob.

2. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the outer surface of the cylindrical block is clamped inside the circular through hole, and the height of the limiting rod is smaller than the width of the limiting ring.

3. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the outer surface of one end, close to the arc-shaped clamping strip, of the shifting lever is clamped inside the arc-shaped sliding groove, and the top end of the arc-shaped clamping strip is clamped inside the clamping groove A.

4. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the sections of the clamping grooves A and the clamping grooves B are the same.

5. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the outer surface of the fixed block is attached to the inner wall of the arc-shaped clamping strip.

6. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the knob, the arc-shaped fixing plate, the disc, the limiting rod and the cylindrical block are of an integrally formed structure.

7. A low-voltage circuit breaker to be easily installed according to claim 1, characterized in that: the angle of the limiting groove is fifteen degrees, and the arc length of the arc-shaped clamping strip is greater than the arc length between the two ends of the arc-shaped fixing plate.