CN217740446U

CN217740446U - Plastic casing circuit breaker

Info

Publication number: CN217740446U
Application number: CN202221313223.XU
Authority: CN
Inventors: 蒋海龙
Original assignee: Jiangsu Suling Electric Technology Co ltd
Current assignee: Jiangsu Suling Electric Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-04
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a plastic casing circuit breaker, including circuit breaker subassembly and connecting plate, the connecting plate is arranged between adjacent circuit breaker subassemblies, the both sides of circuit breaker subassembly have been seted up the draw-in groove mechanism, be provided with the block tongue mechanism of joint with the draw-in groove mechanism on the connecting plate, the middle part of connecting plate is provided with fire-retardant layer, block tongue mechanism includes two block tongues that are located the same vertical face, two be connected through tension spring between the block tongue, be located two be provided with the kicking block between the one end of block tongue, the other end of kicking block is fixed with the control lever; the utility model discloses lead to card tongue on the connecting plate and draw-in groove mechanism looks joint on the circuit breaker subassembly of both sides, accomplish stable connection, cut off the circuit breaker subassembly through connecting plate and inside fire-retardant layer, the circuit breaker of having avoided the short circuit damage is convenient for maintain to the damage of adjacent circuit breaker, improves the convenience and the stability of installation to improve the security performance.

Description

Plastic casing circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, in particular to plastic casing circuit breaker.

Background

The circuit 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 breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range of the circuit breaker, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, the circuit can be automatically cut off when the circuit breaker has serious overload or faults such as short circuit, undervoltage and the like, the circuit breaker has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, at present, the circuit breaker is mostly made of a plastic shell material, the elasticity of the plastic shell is utilized to be clamped with a mounting plate on a mounting seat, a plurality of circuit breakers are mounted in a row, therefore, the connection effect between the adjacent circuit breakers is poor, the circuit breakers are easy to break away from looseness, and when a single circuit breaker is short circuit and burnt, the adjacent undamaged circuit breakers are easy to cause burning, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a plastic casing circuit breaker can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plastic casing circuit breaker, includes circuit breaker subassembly and connecting plate, the connecting plate is arranged in between the adjacent circuit breaker subassembly, draw-in groove mechanism has been seted up to circuit breaker subassembly's both sides, be provided with the block tongue mechanism with draw-in groove mechanism looks joint on the connecting plate, the middle part of connecting plate is provided with fire-retardant layer, block tongue mechanism includes two block tongues that are located same vertical face, two be connected through tension spring between the block tongue, be located two be provided with the kicking block between the one end of block tongue, the other end of kicking block is fixed with the control lever.

Preferably, the clamping groove mechanism comprises a groove, a locking plate is arranged at a position corresponding to a gap between the groove and the two clamping tongues, and the upper surface and the lower surface of the locking plate are both arranged in an inward inclined manner.

Preferably, two sides of each clamping tongue are provided with clamping plates, and one side of each clamping plate, which is close to the tension spring, is inclined inwards.

Preferably, the connecting plate is provided with a mounting groove matched with the latch mechanism, and one side of the mounting groove is provided with a movable groove for the ejector block to slide.

Preferably, the number of the tension springs is two, and the two tension springs are respectively located on two sides of the gap between the two clamping tongues.

Preferably, the outer end of the control rod is flush with the outer side of the connecting plate, and the outer ring of the connecting plate, which is positioned on the control rod, is provided with a pressing groove.

Preferably, the top block is of a triangular structure.

Compared with the prior art, the utility model discloses the beneficial effect who produces is:

1. this plastic casing circuit breaker, when installing in bank through carrying out a plurality of circuit breaker subassemblies, set up the connecting plate between the adjacent circuit breaker subassembly, lead to the draw-in groove mechanism looks joint on block tongue and the both sides circuit breaker subassembly on the connecting plate, accomplish stable connection, cut off circuit breaker subassembly through connecting plate and inside fire-retardant layer, the circuit breaker of having avoided the short circuit damage is to the damage of adjacent circuit breaker, be convenient for maintain, drive the ejector block through promoting the control lever and remove during the unblock, thereby prop open two block tongues and relieve the joint with draw-in groove mechanism, accomplish the purpose of quick unblock, the convenience and the stability of installation are improved, and the security performance is improved.

Drawings

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

fig. 2 is a schematic structural view of the circuit breaker assembly and the connection board of the present invention;

FIG. 3 is a schematic view of the connecting plate structure of the present invention;

fig. 4 is a cross-sectional view of the connection plate of the present invention.

In the figure: 1. a circuit breaker assembly; 2. a connecting plate; 3. a groove; 4. a locking plate; 5. a control lever; 6. pressing the groove; 7. clamping a plate; 8. a latch; 9. a tension spring; 10. a top block; 11. a movable groove; 12. and (4) mounting the groove.

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 efforts all belong to the protection scope of the present invention.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1-4, a plastic casing circuit breaker, includes circuit breaker subassembly 1 and connecting plate 2, between adjacent circuit breaker subassembly 1 is arranged in to connecting plate 2, draw-in groove mechanism has been seted up to circuit breaker subassembly 1's both sides, be provided with the block tongue mechanism with draw-in groove mechanism looks joint on the connecting plate 2, the middle part of connecting plate 2 is provided with fire-retardant layer, block tongue mechanism includes two block tongues 8 that are located same vertical face, two be connected through tension spring 9 between the block tongue 8, be located two be provided with kicking block 10 between the one end of block tongue 8, the other end of kicking block 10 is fixed with control lever 5.

The circuit breaker subassembly is the conventional circuit breaker of this technical field, its concrete technical scheme has been disclosed, for prior art, this application technical scheme no longer gives unnecessary details, when installing in a row with a plurality of circuit breaker subassemblies, set up the connecting plate between the adjacent circuit breaker subassembly, lead to the draw-in groove mechanism looks joint on the block tongue on the connecting plate and the both sides circuit breaker subassembly, accomplish stable connection, cut off circuit breaker subassembly through connecting plate and inside fire-retardant layer, the circuit breaker of having avoided the short circuit damage is to the damage of adjacent circuit breaker, be convenient for maintain, drive the ejector block through promoting the control lever during the unblock and remove, thereby prop open two block tongues and remove the joint with draw-in groove mechanism, accomplish the purpose of quick unblock, improve the convenience and the stability of installation, and improve the security performance.

As shown in fig. 2 and 4, in this embodiment, the card slot mechanism includes a groove 3, a locking plate 4 is disposed at a position corresponding to a gap between the groove 3 and two locking tongues 8, upper and lower surfaces of the locking plate 4 are both disposed in an inward inclined manner, two sides of each locking tongue 8 are provided with a locking plate 7, one side of each locking plate 7, which is close to a tension spring 9, is disposed in an inward inclined manner, the connecting plate 2 is provided with a mounting groove 12 matched with the locking tongue mechanism, and one side of the mounting groove 12 is provided with a movable groove 11 for sliding of the top block 10.

The cardboard through the block tongue both ends and the recess in the last lower facial features joint of jam plate to with draw-in groove mechanism and block tongue mechanism looks joint locking, and continuously provide the pulling force through tension spring, better with cardboard and the block tongue looks joint, improve the stability of connecting, and drive the outside expansion of cardboard through two block tongues, can remove the joint with the jam plate.

As shown in fig. 3 and 4, in this embodiment, two tension springs 9 are provided, and the two tension springs 9 are respectively located at two sides of a gap between the two locking tongues 8, an outer end of the control rod 5 is flush with an outer side of the connecting plate 2, a pressing groove 6 is formed in an outer ring of the control rod 2, which is located at the outer side of the connecting plate 5, and the top block 10 is of a triangular structure.

Can the stable control block tongue adduction through two tension spring, improve the stability of connecting, avoid taking place the slippage, one end through pressing the control lever promotes the kicking block and removes between two block tongues, thereby drive the block tongue to both sides extension, thereby relieve the locking, and the outer end of control lever flushes with the outside of connecting plate mutually, the condition that the mistake was touched has been reduced, press the groove and be convenient for the control lever, when the control lever atress not, the kicking block can receive the pressure of the inside shrink of two block tongues, drive the control lever and reset.

The working principle is as follows: when installing in bank through carrying out a plurality of circuit breaker subassembly 1, set up connecting plate 2 between the adjacent circuit breaker subassembly 1, lead to the draw-in groove mechanism looks joint on block tongue 8 on the connecting plate 2 and the circuit breaker subassembly 1 of both sides, accomplish stable connection, cut off circuit breaker subassembly 1 through connecting plate 2 and inside fire-retardant layer, the circuit breaker of having avoided the short circuit damage is to the damage of adjacent circuit breaker, drive the kicking block through promotion control lever 5 during the unblock and remove, thereby strut two block tongues 8 and relieve the joint with draw-in groove mechanism.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. A plastic casing circuit breaker, includes circuit breaker subassembly and connecting plate, its characterized in that: the connecting plate is arranged between adjacent circuit breaker components, the draw-in groove mechanism has been seted up to the both sides of circuit breaker components, be provided with the block tongue mechanism with draw-in groove mechanism looks joint on the connecting plate, the middle part of connecting plate is provided with fire-retardant layer, block tongue mechanism includes two block tongues that are located same vertical face, two be connected through tension spring between the block tongue, be located two be provided with the kicking block between the one end of block tongue, the other end of kicking block is fixed with the control lever.

2. The plastic case circuit breaker as claimed in claim 1, wherein: the clamping groove mechanism comprises a groove, a locking plate is arranged at a position corresponding to a gap between the groove and the two clamping tongues, and the upper surface and the lower surface of the locking plate are both arranged in an inward inclined mode.

3. The plastic case circuit breaker of claim 2, wherein: the clamping plates are arranged on two sides of each clamping tongue, and one side, close to the tension spring, of each clamping plate is inclined inwards.

4. The plastic case circuit breaker of claim 1, wherein: the connecting plate is provided with a mounting groove matched with the tongue clamping mechanism, and one side of the mounting groove is provided with a movable groove for the ejection block to slide.

5. The plastic case circuit breaker as claimed in claim 1, wherein: the two tension springs are arranged and are respectively positioned on two sides of the gap between the two clamping tongues.

6. The plastic case circuit breaker of claim 1, wherein: the outer end of the control rod is flush with the outer side of the connecting plate, and the outer ring of the connecting plate, which is positioned on the control rod, is provided with a pressing groove.

7. The plastic case circuit breaker of claim 6, wherein: the top block is of a triangular structure.