CN210156331U

CN210156331U - Quick connection mechanism for circuit breaker and circuit breaker

Info

Publication number: CN210156331U
Application number: CN201921133592.9U
Authority: CN
Inventors: 张慎虎
Original assignee: Bull Group Co Ltd
Current assignee: Ningbo Gongniu Low Voltage Electric Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-03-17
Anticipated expiration: 2029-07-18

Abstract

The utility model is suitable for a switch technical field provides a fast mechanism and circuit breaker that connects for circuit breaker, including handle, rotation center axle, elastic component, wiring board component and casing, the wiring board component includes first wiring board and the second wiring board that corresponds the setting; one end of the elastic component is connected to the first wiring board, and the other end of the elastic component is connected to a rotating central shaft of the handle; the handle can rotate around the rotating central shaft, one end of the handle is abutted against the first wiring board, and the distance between the first wiring board and the second wiring board is adjusted by rotating the handle so as to clamp a wire; the shell is provided with a first limiting structure used for limiting the rotation of the handle. The utility model discloses can improve the efficiency of dismouting wire.

Description

Quick connection mechanism for circuit breaker and circuit breaker

Technical Field

The utility model belongs to the technical field of the switch, especially, relate to a connect mechanism and circuit breaker soon for circuit breaker.

Background

At present, the use types of electric appliances are continuously increased, in order to protect the electricity utilization safety of people, the safety of a circuit needs to be ensured by using a corresponding circuit breaker, and when faults such as overload, short circuit, electric leakage and the like occur to the circuit, the circuit is timely cut off, and the electricity utilization safety is ensured. Therefore, the terminal circuit breaker (such as MCB, RCBO and the like) is used as a necessity in a distribution box in the home of a user, and the power utilization safety is protected at any time. However, the terminal of the conventional circuit breaker is usually in a screw and frame fit manner, and needs to fasten the external wire by means of a screwdriver, which is very labor-consuming and time-consuming. The terminal of connecing soon, some producers have appeared, and this kind of wiring mode of exempting from the instrument can shorten the wiring time greatly, but all adopt the automatic mode that compresses tightly of reed usually, and long-time atress can make the reed produce irreversible deformation, reduces the pressure to the wire. Meanwhile, quick-connection terminals of part of manufacturers are arranged, and the terminals are easy to insert but not easy to pull; the most important point is that the products of the quick-connection terminal are often low in wiring capacity.

SUMMERY OF THE UTILITY MODEL

The utility model provides a connect mechanism and circuit breaker soon for circuit breaker aims at solving the problem of wiring inefficiency.

The utility model discloses a realize like this, provide a mechanism that connects soon for circuit breaker, including the handle, rotatory center pin, elastic component, wiring board component and casing, the wiring board component includes first wiring board and the second wiring board that corresponds the setting; one end of the elastic component is connected to the first wiring board, and the other end of the elastic component is connected to a rotating central shaft of the handle; the handle can rotate around the rotating central shaft, one end of the handle is abutted against the first wiring board, and the distance between the first wiring board and the second wiring board is adjusted by rotating the handle so as to clamp a wire;

the shell is provided with a first limiting structure used for limiting the rotation of the handle.

Furthermore, the first limit structure comprises a first limit surface and a second limit surface which are arranged on the shell.

Furthermore, a second limiting structure for limiting the movement of the wiring board component is arranged on the shell.

Still further, the second limit structure includes: the first guide groove and the second guide groove are arranged on the shell; the first wiring board can slide along the first guide groove and the second guide groove.

Furthermore, a first limiting convex part and a second limiting convex part are respectively arranged at two ends of the first wiring board, the first limiting convex part is arranged in the first guide groove, and the second limiting convex part is arranged in the second guide groove.

Furthermore, the shell is provided with a hinge hole for hinging the handle, and the handle is arranged on the hinge hole through the rotating central shaft.

Further, the hinge hole is plural for adjusting a distance between the first wiring board and the second wiring board.

Furthermore, the elastic component is a tension spring, and two ends of the tension spring are respectively connected to the rotating central shaft and the hanging columns on two sides of the first wiring board.

Furthermore, the first wiring board and/or the second wiring board is provided with a non-slip part.

The utility model also provides a circuit breaker, its binding post adopts a mechanism connects soon for the circuit breaker.

The utility model has the advantages that the elastic component is used for connecting the handle and the first wiring board, so that a gap is formed between the first wiring board and the second wiring board for the convenience of inserting a wire; because one end of the handle is arranged in contact with the first wiring board, the distance between the first wiring board and the second wiring board can be adjusted by rotating the handle to quickly clamp the wires; the first limiting structure arranged on the shell can limit the rotating position of the handle, so that poor wire clamping effect caused by overlarge rotating angle of the handle is avoided; when the wires need to be replaced, the handle is rotated to the original position, the first wiring board is lifted through elastic deformation of the elastic component, so that the distance between the first wiring board and the second wiring board is increased, the wires are loosened, and the wires are pulled out quickly. The utility model discloses can improve the efficiency of dismouting wire.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a quick-connection mechanism for a circuit breaker according to the present invention;

fig. 2 is a schematic view of an internal overall structure of a quick-connection mechanism for a circuit breaker according to the present invention;

fig. 3 is a schematic view of a three-dimensional overall structure of a quick-connection mechanism for a circuit breaker according to the present invention;

FIG. 4 is a schematic view of the handle according to the present invention;

FIG. 5 is a schematic structural view of a patch panel member provided by the present invention;

fig. 6 is a schematic view of the hinge hole structure provided by the present invention;

fig. 7 is a schematic diagram of an internal structure of a quick-connection mechanism for a circuit breaker according to the present invention;

fig. 8 is a wiring state diagram of a quick-connect mechanism for a circuit breaker according to the present invention;

fig. 9 is a schematic view of the protection structure provided by the present invention.

In the figure, 1, a quick connection mechanism, 2, a housing, 3, a first limit structure, 4, a wiring board component, 5, an elastic component, 6, a hinge hole, 7, a second limit structure, 8, a handle, 9, a rotating central shaft, 10, a semicircular structure, 11, a first limit surface, 12, a second limit surface, 13, a first wiring board, 14, a second wiring board, 15, an L-shaped structure, 16, a U-shaped structure, 17, a hanging column, 18, an anti-slip part, 19, a first guide groove, 20, a second guide groove, 21, a third limit surface, 22, a first limit convex part, 23, a second limit convex part, 24, a protection structure, 25, a circuit breaker, 26, an electromagnetic system, 27, an arc extinguish chamber, 28, a soft connection, 29, an exhaust channel, 30, a lead, 31, a wiring port, 32 and a vacancy avoiding position.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model has the advantages that the elastic component is used for connecting the handle and the first wiring board, so that a gap is formed between the first wiring board and the second wiring board for facilitating the insertion of a lead; because one end of the handle is arranged in contact with the first wiring board, the distance between the first wiring board and the second wiring board can be adjusted by rotating the handle to quickly clamp the wires; the first limiting structure arranged on the shell can limit the rotating position of the handle, so that poor wire clamping effect caused by overlarge rotating angle of the handle is avoided; when the wires need to be replaced, the handle is rotated to the original position, the first wiring board is lifted through elastic deformation of the elastic component, so that the distance between the first wiring board and the second wiring board is increased, the wires are loosened, and the wires are pulled out quickly.

Example one

With reference to fig. 1-2, the present invention provides a quick-connect mechanism 1 for a circuit breaker, including a handle 8, a rotating central shaft 9, an elastic member 5, a wiring board member 4, and a housing 2, where the wiring board member 4 includes a first wiring board 13 and a second wiring board 14 correspondingly disposed; one end of the elastic component 4 is connected to the first wiring board 13, and the other end is connected to the rotation central shaft 9 of the handle; the handle 8 can rotate around the rotating central shaft 9, one end of the handle is abutted against the first wiring board 13, and the distance between the first wiring board 13 and the second wiring board 14 is adjusted by rotating the handle 8 for clamping the wires 30; the shell 2 is provided with a first limiting structure 3 for limiting the rotation of the handle 8.

The housing 2 is used for mounting the handle 8, the terminal block member 4 and the like, and the elastic member 5 can elastically connect the handle 8 with the terminal block member 4, so that the terminal block member 4 can move back and forth in the first limiting structure 3 by turning or rotating the handle 8 to clamp or release the wires 30. The terminal block member 4 is used to clamp the wires 30 and the handle 8 is used to adjust the position of the first terminal block 13 of the terminal block member 4. Because the wiring board component 4 moves up and down in the shell 2 through the adjustment of the handle 8, the first limiting structure 3 can effectively enable the handle 8 to move in a limited area or space, and the problem that the wires 30 are clamped between the first wiring board 13 and the second wiring board 14 due to the fact that the movement angle of the handle 8 is too large is avoided.

Furthermore, the shell 2 is also provided with a wiring port 31, the wiring port 31 is arranged on one side of the wiring board component 4, so that the wires 30 can be quickly inserted into the gap between the first wiring board 13 and the second wiring board 14, the first wiring board 13 is adjusted through the handle 8 to clamp and connect the wires 30, and the installation efficiency of the wires 30 is improved.

In the present embodiment, as shown in fig. 1 to 2, the first wiring board 13 and the second wiring board 14 are copper plates. The copper plate has certain thickness for the intensity of copper is stronger than the shell fragment, can not appear like this the reed for a long time after the phenomenon that the pressure is not enough.

Further, when the first wiring board 13 is a copper board, the second wiring board 14 is a general support board, and one end of the first wiring board 13 is connected to other components.

Further, when the first wiring board 13 is a general clamping board, and the second wiring board 14 is a copper board, one end of the second copper board is connected to other components.

Furthermore, the width of the first wiring board 13 and the width of the second wiring board 14 are approximately equal to that of the handle 8, so that the first wiring board 13 and the second wiring board 14 are not inclined in the process of fastening the handle 8, and the handle 8 is closed to a fastening position after the wires 30 are inserted, so that the wires 30 can be pressed.

Further, the second wiring board 14 is integrally formed with the housing 2, so long as the handle 8 is rotated to move the first wiring board 13 downward to clamp the wires 30, thereby preventing the wires 30 from loosening.

Furthermore, a space avoiding position 32 is arranged on the shell 2, and the handle 8 is arranged in the space avoiding position 32, so that the upper end of the handle 8 is conveniently positioned outside the shell 2, and the handle 8 is conveniently moved to adjust the first wiring board 13 arranged at the lower end of the handle 8 to clamp the wire 30.

In the present embodiment, as shown in fig. 1 to 4, the first wiring board 13 has an L-shaped configuration 15, and the second wiring board 14 has a U-shaped configuration 16. Since the first terminal plate 13 is movable back and forth within the retaining structure by rotation of the handle 8, the L-shaped structure 15 facilitates movement within the retaining structure without deflection. The second terminal block 14 is not moved on the housing 2, and the installation effect is good through the U-shaped structure 16, and simultaneously, the connection of other components at the two ends of the second terminal block 14 is convenient.

Further, the first connecting plate may also be a U-shaped structure 16, and when the inner space of the housing 2 is large enough, the first connecting plate 13 is configured to have the U-shaped structure 15.

In particular, as the elastic member 5 is used for connecting the handle 8 and the first wiring board 13, a gap is formed between the first wiring board 13 and the second wiring board 14, so that the wires 30 can be inserted conveniently; since one end of the handle 8 is disposed in contact with the first terminal plate 13, the distance between the first terminal plate 13 and the second terminal plate 14 can be adjusted by rotating the handle 8 to quickly clamp the wires 30; the first limiting structure 3 arranged on the shell 2 can limit the rotating position of the handle 8, so that the poor clamping effect of the wire 30 caused by the overlarge rotating angle of the handle 8 is avoided; when the wires 30 need to be replaced, the handle 8 is rotated to the original position, the first wiring board 13 is lifted by the elastic deformation of the elastic member 5 to increase the distance between the first wiring board 13 and the second wiring board 14 to loosen the wires 30, and the wires 30 are quickly pulled out.

Example two

The present embodiment is a further improvement based on the first embodiment, and as shown in fig. 1 to 8, the present invention provides a quick connection mechanism 1 for a circuit breaker, which includes a handle 8, a rotation center shaft 9, an elastic member 5, a wiring board member 4, and a housing 2, where the wiring board member 4 includes a first wiring board 13 and a second wiring board 14 correspondingly disposed; one end of the elastic component 4 is connected to the first wiring board 13, and the other end is connected to the rotation central shaft 9 of the handle; the handle 8 can rotate around the rotating central shaft 9, one end of the handle is abutted against the first wiring board 13, and the distance between the first wiring board 13 and the second wiring board 14 is adjusted by rotating the handle 8 for clamping the wires 30; the shell 2 is provided with a first limiting structure 3 for limiting the rotation of the handle 8.

The first limiting structure 3 comprises a first limiting surface 11 and a second limiting surface 12 which are arranged on the shell 2. The first limiting surface 11 and the second limiting surface 12 are disposed at two ends of the clearance 32, and the rotation angle of the handle 8 is limited by the first limiting surface 11 and the second limiting surface 12. The elastic member 5 is used for tensioning the rotating central shaft 9 and the wiring board member 4, and the wiring board member 4 can be always in contact connection with the lower end of the handle 8 through the included angle between the handle 8 and the elastic member 5. When the handle 8 is on the first limiting surface 11, the included angle between the handle 8 and the upper surface of the wiring board component 4 is minimum, the distance between the rotating central shaft 9 and the wiring board component 4 is shortest, and the handle 8 is in a loosening state. When the handle 8 rotates to the second limiting surface 12, the included angle between the handle 8 and the upper surface of the wiring board component 4 is larger than the included angle on the first limiting surface 11, and at the moment, the wiring board component 4 is pushed by the lower end of the handle 8 to move downwards to fasten the lead 30. Since the terminal block member 4 and the rotation center shaft 9 are connected by the elastic member 5, the elastic member 5 is stretched the longest when the end of the handle 8 is at 90 ° to the upper surface of the terminal block member 4. However, the handle 8 is easily deviated by an excessive tensile force between the end of the handle 8 and the terminal block member 4, and the fastened wires 30 are loosened, so that there is a risk of disconnection of the circuit or contact failure in long-term use. The first wiring board 13 and the second wiring board 14 are used for quickly clamping the inserted wires 30. The first wiring board 13 is connected to the lower end of the handle 8 through the tension spring of the elastic member 5, and by inserting the wire 30 between the first wiring board 13 and the second wiring board 14, the handle 8 is rotated to the second limiting surface 12, so that the first wiring board 13 moves downward along with the limiting structure to clamp the wire 30. Because handle 8 department upper end one side contact is on second spacing face 12, the lower extreme of handle 8 withstands first wiring board 13 upper surface, and the lower extreme of handle 8 has certain angle setting with the extension spring this moment. The handle 8 is tightened by a tensile force between the rotation center shaft 9 and the first terminal plate 13, so that the handle 8 is fixed well. The handle 8 will not be deflected without the application of external force. The handle 8 is used for adjusting the first wiring board 13 to move downwards, the wires 30 are clamped by squeezing between the first wiring board 13 and the second wiring board 14, and the wires 30 are fastened effectively and efficiently.

EXAMPLE III

A second limiting structure 7 for limiting the movement of the wiring board component 4 is arranged on the shell 2. When the handle 8 rotates to the first limiting structure 3, the first wiring board 13 is pushed by the handle 8 to move downwards, and the wires 30 are clamped by the distance between the first wiring board 13 and the second wiring board 14 which is continuously reduced. The second limiting structure 7 can effectively limit the moving position of the first wiring board 13, so that the first wiring board is prevented from shifting in the rotating process of the handle 8, and the clamping efficiency of the wire 30 is reduced.

In this embodiment, the second limiting structure 7 includes: a first guide groove 19, a second guide groove 20, and a third stopper surface 21 provided on the housing 2; the first wiring board 13 is slidably disposed in the first guide groove 19 and the second guide groove 20, and the second wiring board 14 is disposed on the third limiting surface 21. First guide way 19 and second guide way 20 set up on first wiring board 13 both ends, can carry on spacingly to first wiring board 13 through first guide way 19 and second guide way 20, avoid first wiring board 13 skew when the motion for to the uneven atress of male wire 30, damage too big to wire 30. The third limiting surface 21 is used for limiting and supporting the second wiring board 14, and the second wiring board 14 is well fixed in the shell 2 by installing the second wiring board 14 on the third limiting surface 21, so that the first wiring board 13 is prevented from loosening when the wire 30 is fastened by moving downwards under the driving of the handle 8.

In this embodiment, as shown in fig. 1 to 5, a first limit protrusion 22 and a second limit protrusion 23 are respectively disposed on both ends of the first wiring board 13, the first limit protrusion 22 is disposed in the first guide groove 19, and the second limit protrusion 23 is disposed in the second guide groove 20. The first limit convex part 22 and the second limit convex part 23 are respectively matched with the first guide groove 19 and the second guide groove 20, so that the first wiring board 13 cannot deviate during up-and-down movement.

Further, the first limit convex part 22 and the second limit convex part 23 are of square structures.

Further, since the first guide groove 19 and the second guide groove 20 are respectively matched in structure to the first stopper projection 22 and the second stopper projection 23, the first guide groove 19 and the second guide groove 20 are also square in structure. The first terminal plate 13 can only slide back and forth in the first guide groove 19 and the second guide groove 20 by the fitting arrangement between the square structures.

Example four

The present embodiment is a further improvement based on the first embodiment, and as shown in fig. 1 to 5, the present invention provides a quick connection mechanism 1 for a circuit breaker, which includes a handle 8, a rotation center shaft 9, an elastic member 5, a wiring board member 4, and a housing 2, where the wiring board member 4 includes a first wiring board 13 and a second wiring board 14 correspondingly disposed; one end of the elastic component 4 is connected to the first wiring board 13, and the other end is connected to the rotation central shaft 9 of the handle; the handle 8 can rotate around the rotating central shaft 9, one end of the handle is abutted against the first wiring board 13, and the distance between the first wiring board 13 and the second wiring board 14 is adjusted by rotating the handle 8 for clamping the wires 30; the shell 2 is provided with a first limiting structure 3 for limiting the rotation of the handle 8.

The shell 2 is provided with a hinge hole 6 for hinging the handle 8, and the handle 8 is arranged on the hinge hole 6 through a rotating central shaft 9. The handle 8 is fixed by rotating the center shaft 9 so that the handle 8 can be rotationally moved along with the position of the center shaft 9, and the hinge hole 6 serves to restrict the position of the center shaft 9.

Further, since the rotation center shaft 9 is provided on the inner sides of both ends of the handle 8, or at the middle position of the handle 8. This allows the handle 8 to be divided into two sections at the position of the rotation center shaft 9, the upper section being provided through the housing 2, the lower section being provided in parallel with the elastic member 5, and the lower section being provided between the rotation center shaft 9 and the platen member. The lower end of the handle 8 is always disposed in contact with the side of the pressing plate member due to the elastic force of the elastic member 5, and the lower end of the handle 8 is brought into abutting connection with the pressing plate member by receiving the elastic force of the elastic member 5.

In this embodiment, as shown in fig. 1 to 5, the hinge hole 6 is plural, and is used to adjust the distance between the first wiring board 13 and the second wiring board 14. The plurality of hinge holes 6 are arranged according to the movement direction of the wiring board component 4, the quick-connection assembly is convenient to mount through the parallel arrangement of the plurality of hinge holes 6, and meanwhile, the pressing plate component is guaranteed to move up and down in the shell 2 to quickly connect the wires 30 under the adjustment of the quick-connection assembly.

Further, the plurality of hinge holes 6 are arranged side by side.

Further, the hinge holes 6 can be arranged in two vertical rows, or even multiple vertical rows. The clamping device is suitable for products with different specifications and wires with different specifications, and has a clamping effect at a proper position.

Further, the plurality of hinge holes 6 may further include a 1 × 2 arrangement, a 2 × 3 arrangement, and the like.

Further, the plurality of hinge holes 6 includes 2, 3, and 3 or more. The wire 30 used can be determined according to the power of different electrical devices, so that the quick-connect assembly is installed on which hinge hole 6 according to the specification of the wire 30.

In this embodiment, as shown in fig. 1 to 8, the elastic member 5 is a tension spring, and two ends of the tension spring are respectively connected to the rotating central shaft 9 and the hanging posts 17 on two sides of the first wiring board 13. Since the first terminal plate 13 is disposed in contact with the handle 8 to be tensioned by the tension of the tension spring whose upper end is fixed to the rotation center shaft 9 so that the tension spring is disposed on both sides of the handle 8. In order to enable the tension spring to be in vertical tension during connection, the position of the tension spring can be effectively adjusted through the arrangement of the hanging columns 17, and the tension spring is prevented from being pulled and deviated due to the fact that the tension spring is not in the same straight line with the two sides of the first wiring board 13.

In this embodiment, as shown in fig. 1 to 5, the first wiring board 13 and/or the second wiring board 14 is provided with a non-slip portion 18. The second wiring board 14 is also provided with a non-slip part 18, because the lower surface of the first wiring board 13 is smooth, and the wires 30 are arranged between the first wiring board 13 and the second wiring board 14, and the wires 30 are clamped by rotating the handle 8 to drive the tail end of the first wiring board 13 to move downwards. For example, the corresponding surfaces of the first wiring board 13 and the second wiring board 14 are smooth, and after a long time use, both sides of the wires 30 may be pressed to be deformed, so that the connection of the wires 30 is loosened, and the like. The wires 30 are pressed by the anti-slip part 18 on the second wiring board 14 corresponding to the first wiring board 13, so that the fastening effect is better and the service life is prolonged.

Further, the lower surface of the first wiring board 13 is provided with the non-slip portion 18, and the upper surface of the second wiring board 14 is smoothly provided, so that the fastening effect of the wires 30 can be improved by the single non-slip.

Still further, the lower surface of the first wiring board 13 is provided with the anti-slip portion 18, the upper surface of the second wiring board 14 is also provided with the anti-slip portion 18, and the wires 30 are clamped by the anti-slip portions 18 arranged on the two sides, so that the fixing effect of the wires 30 is better.

EXAMPLE five

The present embodiment is a further improvement based on the first embodiment, and as shown in fig. 1 to 9, the present invention provides a quick connection mechanism 1 for a circuit breaker, which includes a handle 8, a rotation center shaft 9, an elastic member 5, a wiring board member 4, and a housing 2, where the wiring board member 4 includes a first wiring board 13 and a second wiring board 14 correspondingly disposed; one end of the elastic component 4 is connected to the first wiring board 13, and the other end is connected to the rotation central shaft 9 of the handle; the handle 8 can rotate around the rotating central shaft 9, one end of the handle is abutted against the first wiring board 13, and the distance between the first wiring board 13 and the second wiring board 14 is adjusted by rotating the handle 8 for clamping the wires 30; the shell 2 is provided with a first limiting structure 3 for limiting the rotation of the handle 8.

The handle 8 is further provided with a protective structure 24, and the protective structure 24 is arranged in the shell 2. The level of protection of the handle 8 is increased by reducing the clearance between the handle 8 and the housing 2 by the protective structure 24.

Further, the guard structure 24 is a semicircular structure 10.

EXAMPLE six

The utility model also provides a circuit breaker 25, it is shown with the accompanying drawings 1-9, its binding post adopts a mechanism 1 that connects soon for the circuit breaker. Further comprising: an electromagnetic system 26 disposed on the housing 2, the electromagnetic system 26 being disposed in electrical contact with the terminal block member. Be equipped with an explosion chamber 27 under the electromagnetic system 26, electromagnetic system 26 with the second clamp plate passes through the contact setting of flexible coupling 28, explosion chamber 27 one side still is equipped with and is used for carminative exhaust passage 29. The inserted line 30 is connected fast and securely by the quick-connect element 1, so that the passing power can be transmitted by the second pressure plate, which is connected to the electromagnetic system 26 via the flexible connection 28, so that the electrical energy can be transmitted to the electromagnetic system 26. Because the quick-connecting mechanism 1 occupies a small space in the shell 2, the action of the electromagnetic system 26 is not influenced, and the arrangement of the exhaust space of the arc extinguish chamber 27 and the tail part is also not influenced.

Further, since the first connection board 13 and the second connection board 14 can both realize electric conduction, the first connection board 13 and the electromagnetic system 26 are directly connected through flexible connection, so that an external wire can be clamped with a conductive loop of the circuit breaker.

Further, the circuit breaker comprises a plurality of quick-connection mechanisms 1, in the embodiment, only the quick-connection mechanism 1 of one terminal of the circuit breaker is shown, and all the wiring terminals can be changed into the quick-connection mechanisms 1 according to actual needs.

The breaker 25 includes MCB, RCBO, and the like.

In summary, since the elastic member 5 is used for connecting the handle 8 and the wiring board member 4, and the wiring board member 4 is used for inserting the wires 30, the handle 8 can only move back and forth in the first limiting structure 3, and the wiring board member 4 can move along with the second limiting structure 7 by rotating the handle 8 to achieve the effect of quickly connecting the wires 30; when the wires 30 need to be replaced, the handle 8 is rotated back to the original position in the opposite direction, and the first wiring board 13 is contracted upwards towards the handle 8 through the elastic deformation of the elastic member 5, so that the wires 30 are pulled out from the gap between the first wiring board 13 and the second wiring board 14 quickly, and the replacement efficiency of the wires 30 is improved. Because the distance that first wiring board 13 removed in second limit structure 7 is unchangeable in the rotatory in-process of handle 8, through installing handle 8 in a plurality of different hinge holes 6, can be applicable to the wire 30 use of different specifications, application range is wide.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick-connection mechanism for a circuit breaker comprises a handle, a rotating central shaft, an elastic component, a wiring board component and a shell, and is characterized in that the wiring board component comprises a first wiring board and a second wiring board which is correspondingly arranged; one end of the elastic component is connected to the first wiring board, and the other end of the elastic component is connected to a rotating central shaft of the handle; the handle can rotate around the rotating central shaft, one end of the handle is abutted against the first wiring board, and the distance between the first wiring board and the second wiring board is adjusted by rotating the handle so as to clamp a wire;

2. The quick connect mechanism for a circuit breaker according to claim 1, wherein said first limit structure includes a first limit surface and a second limit surface disposed on said housing.

3. The quick connect mechanism for a circuit breaker according to claim 1, wherein said housing is provided with a second limit formation for limiting movement of said terminal block member.

4. The quick connect mechanism for a circuit breaker according to claim 3, wherein said second limit stop structure comprises: the first guide groove and the second guide groove are arranged on the shell; the first wiring board can slide along the first guide groove and the second guide groove.

5. The quick-connect mechanism for a circuit breaker according to claim 4, wherein the first terminal block has a first limit protrusion and a second limit protrusion at both ends thereof, the first limit protrusion being disposed in the first guide groove, and the second limit protrusion being disposed in the second guide groove.

6. The quick-connect mechanism for a circuit breaker according to claim 1, wherein the housing is provided with a hinge hole for hinge-connecting the handle, and the handle is disposed on the hinge hole through the rotation center shaft.

7. The quick-connect mechanism for circuit breaker according to claim 6, wherein said hinge hole is plural for adjusting a distance between said first terminal block and said second terminal block.

8. The quick-connect mechanism for a circuit breaker according to claim 7, wherein the elastic member is a tension spring, and both ends of the tension spring are respectively connected to the rotating center shaft and the hanging posts on both sides of the first wiring board.

9. The quick-connect mechanism for circuit breaker according to claim 1, wherein said first terminal block and/or said second terminal block is provided with a non-slip portion.

10. A circuit breaker, wherein a terminal thereof employs the quick-connect mechanism for a circuit breaker as claimed in any one of claims 1 to 9.