CN220856475U

CN220856475U - Leakage circuit breaker

Info

Publication number: CN220856475U
Application number: CN202322666140.XU
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses an electric leakage breaker which comprises a breaker unit and an electric leakage protection module, wherein the electric leakage protection module is provided with a tripping interlocking piece which is interlocked with a tripping mechanism of the breaker unit to realize opening and closing, the breaker unit and the electric leakage protection module are assembled to realize the linkage between the tripping interlocking piece and the tripping mechanism, the electric leakage protection module comprises a first assembling part connected with the side wall of the breaker unit and a second assembling part connected with a first wiring terminal of the breaker unit, the first assembling part is internally provided with the electric leakage tripping mechanism matched with the tripping interlocking piece, the second assembling part is internally provided with a magnetic ring mechanism, the second assembling part slides relative to the first assembling part in the length direction, and the second assembling part is provided with a rigid conductive piece which is in plug-in fit with the first wiring terminal of the breaker unit to realize electric connection and a second wiring terminal connected with the rigid conductive piece.

Description

Leakage circuit breaker

Technical Field

The utility model relates to the technical field of circuit breaker units, in particular to an electric leakage circuit breaker.

Background

The existing leakage breaker unit has the characteristics of small volume, multiple functions and the like, and is suitable for protecting faults such as ground leakage, direct or indirect contact of a human body, overload of a system, short circuit and the like in houses and electrical equipment.

The electric leakage breaker unit comprises a breaker unit and an electric leakage protection module, the breaker unit and the electric leakage protection module are spliced side by side in general, and due to the fact that the bottom of the electric leakage protection module is provided with a plurality of first wiring terminals, the whole size of the electric leakage breaker unit is large, and the lower wiring terminals of the breaker unit are connected into the electric leakage protection module through wires independently, so that the electric leakage breaker is more troublesome.

Disclosure of utility model

The utility model aims to overcome the defects and the shortcomings of the prior art and provides an electric leakage breaker.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric leakage circuit breaker, includes circuit breaker unit and earth leakage protection module, earth leakage protection module has the trip interlocking piece that realizes opening and closing with circuit breaker unit tripping device linkage, circuit breaker unit and earth leakage protection module assemble the linkage between realization trip interlocking piece and the tripping device, earth leakage protection module includes the first portion of assembling that is connected with circuit breaker unit lateral wall and the second portion of assembling that is connected with circuit breaker unit first wiring end, be provided with in the first portion of assembling with trip interlocking piece complex earth leakage tripping device, be provided with magnetic ring mechanism in the second portion of assembling, the second is assembled the portion and is provided with the rigidity conducting piece that realizes the electricity and be connected with circuit breaker unit first wiring end grafting cooperation and is connected with the rigidity conducting piece in the portion relatively first portion of assembling.

As a preferable technical scheme of the utility model, the first assembling part and the second assembling part are vertically arranged, a sliding plate which slides and is limited in a sliding groove of the first assembling part is arranged on the second assembling part, and the second assembling part moves relative to the first assembling part and drives the sliding plate to slide.

As a preferable technical scheme of the utility model, the first assembling part is provided with a stop component for pre-tightening the sliding plate on the sliding path of the sliding plate, the sliding plate keeps fixed in position under the action of the stop component when sliding to any position, and the sliding plate continuously slides against the pre-tightening force of the stop component under the action of external force.

As a preferable technical scheme of the utility model, the two groups of stop assemblies are symmetrically arranged on two sides of the sliding plate, at least two stop grooves are formed on the two sides of the sliding plate along the length direction, the stop assemblies are matched with one of the stop grooves to realize locking in the splicing state of the first splicing part and the second splicing part, and the sliding plate overcomes the pretightening force of the stop assemblies until the next stop groove is matched with the stop assemblies to realize locking when the first splicing part and the second splicing part are separated.

As a preferable technical scheme of the utility model, the stop assembly comprises a spring and a stop block which are arranged in the first assembling part, the stop block is propped against the sliding plate under the action of the spring, and a wedge-shaped part which is matched with the shape of the stop groove is arranged on one side of the stop block facing the sliding plate.

As a preferable technical scheme of the utility model, a mounting part is arranged in the chute, a mounting groove is arranged on one side of the mounting part facing the chute, the spring and the stop block are arranged in the mounting groove, a through hole is arranged on one side of the stop block opposite to the sliding plate, one end of the spring is connected with the inner wall of the mounting groove, and the other end of the spring is connected in the through hole.

As a preferable technical scheme of the utility model, the second assembling part is rotatably provided with a surface cover, the surface cover is provided with a closed state jointed with the second assembling part and an open state turned over relative to the second assembling part, the position of the surface cover corresponding to the circuit breaker unit is provided with a plurality of plugging holes corresponding to the first wiring terminals, the surface cover is provided with a plurality of plugging parts in plugging fit with the plugging holes, and when the surface cover is in the closed state, the plugging parts are arranged in the plugging holes and the surface cover is jointed with the circuit breaker unit.

As a preferable technical scheme of the utility model, the surface cover is also provided with the locking piece, the second assembling part is provided with the locking groove which is in plug-in fit with the locking piece to lock the surface cover, and the surface cover can enable the locking piece to be separated from the locking groove under the action of external force to realize unlocking.

As a preferable technical scheme of the utility model, two sides of the second assembling part are provided with rotating grooves, the surface cover is provided with rotating parts corresponding to the positions of the rotating grooves, the rotating parts are provided with movable holes, the diameters of the two ends of the movable holes are larger than the middle diameter, and the rotating grooves are provided with rotating shafts which are positioned in the movable holes and are matched with the diameters of the two ends of the movable holes; when the movable hole is in a closed state, the face cover is attached to the second assembly part, the rotation part is completely arranged in the rotation groove, at the moment, the inner end of the movable hole is in running fit with the rotating shaft, the face cover is pulled out outwards to enable the outer end of the movable hole to move to the position of the rotating shaft, and the face cover can be turned over to achieve switching between the closed state and the open state of the face cover.

As a preferable technical scheme of the utility model, a limit lug is arranged in the rotating groove and positioned below the rotating shaft, and when the face cover is overturned to 90 degrees, the limit lug enters the inner end of the movable hole to enable the face cover to be fixed relative to the second rotating position after overturning.

In summary, the utility model has the following beneficial effects: the leakage protection module comprises a first assembling part and a second assembling part, the second assembling part is spliced with the circuit breaker unit, the rigid conductive piece is spliced with the first wiring end of the circuit breaker unit to realize conduction, the wiring step is omitted, the assembly is more convenient, in addition, the second wiring end of the leakage protection module is arranged below the circuit breaker unit, the lower space of the circuit breaker unit is reasonably utilized, and compared with the original leakage circuit breaker, the leakage circuit breaker is small in size and more compact in overall structure.

Drawings

Fig. 1 is a schematic view of a structure of the earth leakage breaker in a closed state;

FIG. 2 is a schematic view showing the structure of the earth leakage breaker in the pulled-out state;

fig. 3 is a schematic view of the structure of the earth leakage breaker of the present utility model in the open state of the face cover;

FIG. 4 is an enlarged view of part A of this FIG. 3;

FIG. 5 is a schematic view of the structure of the present utility model;

FIG. 6 is a schematic view of the structure of the leakage protection module according to the present utility model;

FIG. 7 is a schematic view of the structure of the leakage protection module according to the present utility model;

fig. 8 is an enlarged view of a portion B of fig. 7.

Reference numerals: 1. a circuit breaker unit; 2. a leakage protection module; 3. tripping the interlocking piece; 4. a trip mechanism; 5. a first assembly part; 6. a second assembly part; 7. a rigid conductive member; 8. a second terminal; 9. a slide plate; 10. a stop assembly; 11. a stop groove; 12. a chute; 13. a spring; 14. a stopper; 15. a wedge portion; 16. a mounting groove; 17. a through hole; 18. a face cover; 19. a plug hole; 20. a plug-in part; 21. a rotating groove; 22. a rotating part; 23. a rotating shaft; 24. a limit bump; 25. a movable hole; 26. a first terminal; 27. a magnetic ring mechanism; 28. a leakage tripping mechanism; 29. a locking piece; 30. a locking groove.

Description of the embodiments

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

As shown in fig. 1 to 8, an earth leakage breaker includes a breaker unit 1 and an earth leakage protection module 2, the earth leakage protection module 2 has a trip interlocking member 3 that is interlocked with a trip mechanism 4 of the breaker unit 1 to realize opening and closing, the breaker unit 1 and the earth leakage protection module 2 are assembled to realize linkage between the trip interlocking member 3 and the trip mechanism 4, the earth leakage protection module 2 includes a first assembling portion 5 connected with a side wall of the breaker unit 1 and a second assembling portion 6 connected with a first terminal 26 of the breaker unit 1, the first assembling portion 6 is provided with an earth leakage tripping mechanism 28 matched with the trip interlocking member 3, the second assembling portion 6 is provided with a magnetic ring mechanism 27, the second assembling portion 6 slides in a length direction relative to the first assembling portion 5, and the second assembling portion 6 is provided with a rigid conductive member 7 connected with the rigid conductive member 7 in an inserting fit manner, the inner structures of the breaker unit 1 and the earth leakage protection module 2 in this embodiment are not main improvement points of the present invention, so that the present invention is not described; the magnetic ring mechanism 27 and the leakage tripping mechanism 28 are prior art, and are not main improvements of the present invention, and thus are not specifically described.

The leakage protection module 2 comprises a first assembling part 5 and a second assembling part 6, the rigid conductive piece 7 is spliced with the first wiring end 26 of the circuit breaker unit 1 to realize conduction after the second assembling part 6 is assembled with the circuit breaker unit 1, wiring steps are omitted, assembly is more convenient, in addition, the second wiring end 8 of the leakage protection module 2 is arranged below the circuit breaker unit 1, the lower space of the circuit breaker unit 1 is reasonably utilized, compared with the original leakage circuit breaker, the leakage circuit breaker is small in size and more compact in overall structure, particularly, the magnetic ring mechanism 27, the second wiring end 8 and the control circuit board are arranged in the second assembling part 6, and other elements are arranged in the first assembling part 5, so that the volume of the first assembling part 5 is greatly reduced, the bottom area of the circuit breaker unit 1 is reasonably utilized, and the leakage circuit breaker is smaller in whole.

The first assembling part 5 and the second assembling part 6 are vertically arranged, the second assembling part 6 is provided with a sliding plate 9 which slides and is limited in a sliding groove 12 of the first assembling part 5, and the second assembling part 6 moves relative to the first assembling part 5 and drives the sliding plate 9 to slide.

The first assembling part 5 is provided with a stop component 10 for pre-tightening the sliding plate 9 on the sliding path of the sliding plate 9, when the sliding plate 9 slides to any position, the position is kept fixed under the action of the stop component 10, the sliding plate 9 continuously slides against the pre-tightening force of the stop component 10 under the action of external force, and the stop component 10 is preferably provided with two groups and symmetrically arranged on two sides of the sliding plate 9.

The side wall of the sliding plate 9 is at least provided with two stop grooves 11 along the length direction, the stop assembly 10 is matched with one of the stop grooves 11 to realize locking in the splicing state of the first splicing part 5 and the second splicing part 6, and the sliding plate 9 overcomes the pretightening force of the stop assembly 10 until the next stop groove 11 is matched with the stop assembly 10 to realize locking when the first splicing part 5 and the second splicing part 6 are separated.

Because the rigid conductive piece 7 is arranged on the second assembling portion 6, in order to facilitate assembling, the first assembling portion 5 and the second assembling portion 6 are provided with a drawing structure, the first assembling portion 5 and the second assembling portion 6 can move relatively, the second assembling portion 6 needs to be drawn out in advance before mounting, the tripping interlocking piece 3 of the first assembling portion 5 is aligned with the side wall of the breaker unit 1 to insert so as to realize linkage of the first assembling portion 5 and the second assembling portion (a plurality of inserting blocks can be selectively arranged on the first assembling portion 5 to be inserted into slots on the side wall of the breaker unit 1 and are not shown in the drawing), then the second assembling portion 6 is pushed back towards the first assembling portion 5, (a plurality of inserting blocks can be selectively arranged on the second assembling portion 6 to be inserted into slots on the bottom of the breaker unit 1 and are not shown in the drawing), and then mounting of the second assembling portion 6 is completed.

The stop assembly 10 comprises a spring 13 and a stop block 14 which are arranged in the first assembling part 5, the stop block 14 is propped against the sliding plate 9 under the action of the spring 13, a wedge-shaped part 15 which is matched with the stop groove 11 in shape is arranged on one side of the stop block 14 facing the sliding plate 9, when the sliding plate 9 moves to different points (namely, when the stop groove 11 of the sliding plate 9 moves to the position of the stop block 14), the stop block 14 enters the stop groove 11 under the action of the spring 13, so that the sliding plate 9 is prevented from moving easily after being pulled out, and the subsequent assembly is facilitated.

The inside of the sliding groove 12 is provided with a mounting part, the side of the mounting part facing the sliding groove 12 is provided with a mounting groove 16, the spring 13 and the stop block 14 are arranged in the mounting groove 16, one side of the stop block 14 opposite to the sliding plate 9 is provided with a through hole 17, one end of the spring 13 is connected with the inner wall of the mounting groove 16, and the other end of the spring 13 is connected with the through hole 17.

The second assembling part 6 is rotatably provided with a detachable surface cover 18 (the rotating part 22 and the rotating groove 21 can be separated by external force), the surface cover 18 is in a closed state attached to the second assembling part 6 and an open state turned over relative to the second assembling part 6, a plurality of plug holes 19 are formed in the position, corresponding to the first wiring end 26 of the surface cover 18, of the circuit breaker unit 1, a plurality of plug parts 20 in plug fit with the plug holes 19 are formed in the surface cover 18, and when the surface cover 18 is in the closed state, the plug parts 20 are placed in the plug holes 19 and the surface cover 18 is attached to the circuit breaker unit 1.

The face cover 18 is in the closed state, and the spliced eye 19 cooperates with grafting portion 20 for earth leakage protection module 2 installs more stably, plays the effect of preventing drawing, can guarantee whole pleasing to the eye when face cover 18 is closed moreover, and has the effect of protection, avoids contacting with rigid or flexible electrically conductive piece, causes unnecessary potential safety hazard.

The surface cover 18 is also provided with a locking block 29, the second assembling part 6 is provided with a locking groove 30 which is in plug-in fit with the locking block 29 to lock the surface cover, the surface cover 18 can enable the locking block 29 to be separated from the locking groove 30 to unlock under the action of external force, and the locking block 29 and the locking groove 30 in the embodiment are preferably square, and can also be in other geometric shapes.

The two sides of the second assembling part 6 are provided with rotating grooves 21, the position of the face cover 18 corresponding to the rotating grooves 21 is provided with rotating parts 22, the rotating parts 22 are provided with movable holes 25, the diameters of the two ends of the movable holes 25 are larger than the middle diameter, and the rotating grooves 21 are provided with rotating shafts 23 which are positioned in the movable holes 25 and are matched with the diameters of the two ends of the movable holes 25; when in a closed state, the surface cover 18 is attached to the second assembly part 6, the rotating part 22 is completely arranged in the rotating groove 21, at this time, the inner end of the movable hole 25 is in rotating fit with the rotating shaft 23, the surface cover 18 is pulled out outwards to enable the outer end of the movable hole 25 to move to the position of the rotating shaft 23, the surface cover 18 can be turned over, the switching between the closed state and the open state of the surface cover 18 can be achieved, in the embodiment, the inner end and the outer end of the movable hole 25 are the two ends of the movable hole 25, the diameter of the rotating shaft 23 is larger than the diameter of a middle channel of the movable hole 25, and the surface cover 18 is made of plastic materials.

The rotation groove 21 is internally provided with a limit lug 24 positioned below the rotation shaft 23, and when the face cover 18 is overturned to 90 degrees, the limit lug 24 enters the inner end of the movable hole 25 to enable the position of the face cover 18 relative to the second rotation part 22 to be fixed after the face cover 18 is overturned, so that the second wiring terminal 8 is convenient for wiring, and the face cover 18 can be directly detached.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description as preferred embodiments of the utility model, but rather that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an electric leakage circuit breaker, includes circuit breaker unit and earth leakage protection module, earth leakage protection module has the tripping linkage spare that realizes opening and closing with circuit breaker unit tripping device linkage, circuit breaker unit and earth leakage protection module are assembled and are realized the linkage between tripping linkage spare and the tripping device, its characterized in that: the leakage protection module comprises a first assembly part connected with the side wall of the circuit breaker unit and a second assembly part connected with the first wiring end of the circuit breaker unit, a leakage tripping mechanism matched with a tripping linkage part is arranged in the first assembly part, a magnetic ring mechanism is arranged in the second assembly part, the second assembly part slides in the length direction relative to the first assembly part, and a rigid conductive part connected with the first wiring end of the circuit breaker unit in an inserting fit manner and a second wiring end connected with the rigid conductive part are arranged on the second assembly part.

2. The earth leakage breaker according to claim 1, characterized in that: the first assembly part and the second assembly part are vertically arranged, a sliding plate which slides and is limited in a sliding groove of the first assembly part is arranged on the second assembly part, and the second assembly part moves relative to the first assembly part and drives the sliding plate to slide.

3. The earth leakage breaker according to claim 2, characterized in that: the first assembling part is provided with a stop component for pre-tightening the sliding plate on the sliding path of the sliding plate, the sliding plate keeps fixed in position under the action of the stop component when sliding to any position, and the sliding plate continuously slides against the pre-tightening force of the stop component under the action of external force.

4. A leakage breaker according to claim 3, wherein: the locking assembly is provided with two groups and symmetrically arranged on two sides of the sliding plate, at least two locking grooves are formed in the two sides of the sliding plate along the length direction, the locking assembly is matched with one of the locking grooves to realize locking in the splicing state of the first splicing part and the second splicing part, and the sliding plate overcomes the pretightening force of the locking assembly until the next locking groove is matched with the locking assembly to realize locking when the first splicing part and the second splicing part are separated.

5. The earth leakage breaker according to claim 4, characterized in that: the stop assembly comprises a spring and a stop block which are arranged in the first assembling part, the stop block is propped against the sliding plate under the action of the spring, and a wedge-shaped part which is matched with the stop groove in shape is arranged on one side of the stop block, facing the sliding plate.

6. The earth leakage breaker according to claim 5, characterized in that: the novel sliding plate is characterized in that a mounting part is arranged in the sliding groove, a mounting groove is formed in one side, facing the sliding groove, of the mounting part, the spring and the stop block are arranged in the mounting groove, a through hole is formed in one side, opposite to the sliding plate, of the stop block, one end of the spring is connected to the inner wall of the mounting groove, and the other end of the spring is connected to the through hole.

7. The earth leakage breaker according to claim 1, characterized in that: the second is assembled and is rotationally provided with the face lid on the portion, the face lid has the closure state of laminating with the second and the open state of relative second portion of assembling upset, circuit breaker unit corresponds the face lid position and is provided with a plurality of spliced eyes that correspond first wiring end, the face is covered and is provided with a plurality of grafting portions with spliced eyes grafting complex, when the face lid is in the closure state the grafting portion is arranged in the spliced eye and the face lid is laminated mutually with circuit breaker unit.

8. The earth leakage breaker according to claim 7, characterized in that: the face cover is further provided with a locking piece, the second assembling part is provided with a locking groove which is matched with the locking piece in a plugging manner to lock the face cover, and the face cover can enable the locking piece to be separated from the locking groove under the action of external force to unlock.

9. The earth leakage breaker according to claim 7 or 8, characterized in that: the two sides of the second assembling part are provided with rotating grooves, the rotating parts are arranged at positions corresponding to the rotating grooves, movable holes are formed in the rotating parts, the diameters of the two ends of each movable hole are larger than the middle diameter, and rotating shafts which are positioned in the movable holes and are matched with the diameters of the two ends of each movable hole are arranged on the rotating grooves; when the movable hole is in a closed state, the face cover is attached to the second assembly part, the rotation part is completely arranged in the rotation groove, at the moment, the inner end of the movable hole is in running fit with the rotating shaft, the face cover is pulled out outwards to enable the outer end of the movable hole to move to the position of the rotating shaft, and the face cover can be turned over to achieve switching between the closed state and the open state of the face cover.

10. The earth leakage breaker according to claim 9, characterized in that: the rotation groove is internally provided with a limit lug which is positioned below the rotating shaft, and when the face cover is overturned to 90 degrees, the limit lug enters the inner end of the movable hole to enable the face cover to be fixed relative to the second rotation position after being overturned.