CN219738873U

CN219738873U - Combinable breaker structure

Info

Publication number: CN219738873U
Application number: CN202321204576.0U
Authority: CN
Inventors: 杨敏生; 张方圆; 邵李强; 梁强
Original assignee: Zhuhai Huizhi Electric Power Technology Co ltd
Current assignee: Zhuhai Huizhi Electric Power Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-22
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a combinable circuit breaker structure, which comprises a first miniature circuit breaker and a second miniature circuit breaker, wherein the second miniature circuit breaker is positioned on the outer surface of one side of the first miniature circuit breaker, combined connecting pieces are fixedly arranged on the outer surfaces of the upper end and the lower end of the first miniature circuit breaker and the outer surface of the lower end of the second miniature circuit breaker, each combined connecting piece comprises a fixed block, a connecting component, a slot, a clamping groove, a limiting extrusion plate, a first compression spring and a threaded hole, and each connecting component comprises an inserting block, an ear plate, a sliding groove, a right trapezoid inclined wedge, a movable block, a mounting groove, a limiting block, a second compression spring, a limiting rod, a mounting cavity and a limiting groove, and the outer surfaces of the lower ends of the fixed blocks are fixedly connected with the outer surfaces of the upper end and the lower end of the first miniature circuit breaker and the second miniature circuit breaker. The combinable circuit breaker structure has the advantages of being capable of being assembled and disassembled rapidly and convenient to install and disassemble, stable to install and the like.

Description

Combinable breaker structure

Technical Field

The utility model relates to the technical field of miniature circuit breakers, in particular to a combinable circuit breaker structure.

Background

The miniature circuit breaker, MCB for short circuit, overload, overvoltage, etc. protection of single-phase, three-phase under 125A, including monopole 1P, dipolar 2P, tripolar 3P, four poles 4P, etc. four kinds of protection that the miniature circuit breaker, short circuit, MCB, it is a kind of terminal protection electrical apparatus that uses most extensively in the electrical terminal distribution equipment of building, need make circuit breaker and circuit breaker connect each other while installing a plurality of circuit breakers, however the mode of connecting each other between existing circuit breaker and circuit breaker adopts the multiunit fixed screw to carry on the fixed connection, install and dismantle not convenient enough, later, in the prior art, grant in a Chinese patent document of bulletin number CN217955768U, describe the assembly structure of a circuit breaker, when realizing the mutual splice between a plurality of circuit breakers, insert the inserted rod on another circuit breaker into the first jack of the picture peg, realize the mutual splice between a plurality of circuit breakers through the inserted block on the inserted rod into the second jack, when dismantling a plurality of circuit breakers, push out the second jack through the push-out assembly and can insert the inserted rod into the first jack to separate the two circuit breakers; through mutually supporting between the above-mentioned different structures, can realize installing fast and the effect of dismantling between a plurality of circuit breakers, great reduction the dismouting degree of difficulty, improved work efficiency.

Firstly, the structure is complex, the production and manufacturing cost is high, secondly, when the push plate is required to be extruded to drive the steel balls to drive, however, the steel balls are easy to clamp into the third sliding groove, and certain adverse effects are brought to the use process of people.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a combinable circuit breaker structure, which has the advantages of rapid assembly and disassembly between miniature circuit breakers, convenient installation and disassembly, stable installation and the like, and can effectively solve the problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a circuit breaker structure that can make up, includes first miniature circuit breaker and second miniature circuit breaker, the second miniature circuit breaker is located one side surface of first miniature circuit breaker, just the equal fixed mounting in upper and lower both ends surface of first miniature circuit breaker, second miniature circuit breaker has the built-up connection spare, the built-up connection spare includes fixed block, coupling assembling, slot, draw-in groove, spacing stripper plate, first compression spring and screw hole, just coupling assembling includes inserted block, otic placode, spout, right trapezoid inclined plane voussoir, movable block, mounting groove, stopper, second compression spring, gag lever post, installation cavity and spacing groove, the lower extreme surface of fixed block and the upper and lower both ends surface fixed connection of first miniature circuit breaker, second miniature circuit breaker.

Preferably, the number of the combined connectors in the first miniature circuit breaker is two, the number of the combined connectors in the second miniature circuit breaker is two, the outer wall of the plug in the combined connector is in plug-in connection with the slot in the other combined connector, and the right trapezoid inclined wedge in the combined connector is in clamping connection with the clamping groove in the other combined connector.

Preferably, the otic placode fixed mounting is in the left and right sides of the upper and lower both ends surface one end of inserted block, the four corners of fixed block one end surface is seted up to the screw hole, just be provided with fixing bolt between otic placode and the screw hole, otic placode passes through fixing bolt and screw hole fixed connection.

Preferably, the slot is set up in the other end surface of fixed block, the middle part of fixed block upper end surface is set up to the spacing stripper plate, the spacing stripper plate communicates with each other with the slot, spacing stripper plate and first compression spring are located the slot, just the one end surface of first compression spring and the one end fixed connection of slot, the other end surface of first compression spring and one side surface fixed connection of spacing stripper plate, be sliding connection between the outer wall of spacing stripper plate and the slot, one side surface of spacing stripper plate passes through one end elastic connection of first compression spring and slot.

Preferably, the spout is seted up in one side of inserted block upper end surface, the installation cavity is seted up in the inside of inserted block one end, just the spout communicates with each other with the installation cavity, second compression spring and gag lever post all are located the installation cavity, right trapezoid inclined plane voussoir fixed mounting is in the upper end surface of movable block, the spacing groove is seted up in the left and right sides of movable block lower extreme surface, the mounting groove is seted up in the middle part of movable block lower extreme surface, a set of in the coupling assembling the quantity of gag lever post is two sets of, two sets of the lower extreme surface of gag lever post and the left and right sides fixed connection of installation cavity bottom.

Preferably, the lower extreme surface of second compression spring and the middle part fixed connection of installation cavity lower extreme, the upper end surface of second compression spring and the upper portion fixed connection of movable block, be sliding connection between right trapezoid inclined plane voussoir, the outer wall of movable block and the spout, the movable block passes through the outer wall sliding connection of spacing groove and gag lever post, the movable block passes through the bottom elastic connection of second compression spring and installation cavity, stopper fixed mounting is in the upper portion of movable block both sides surface.

(III) beneficial effects

Compared with the prior art, the utility model provides a combinable circuit breaker structure, which has the following beneficial effects:

1. this circuit breaker structure that can make up through the built-up connection spare that sets up, is convenient for assemble between two sets of built-up connection spare for be convenient for quick assembly between the miniature circuit breaker.

2. This circuit breaker structure that can make up through the first compression spring and the spacing stripper plate that set up, after assembling, first compression spring is in by extruded state for be connected between the miniature circuit breaker more stable.

3. This combinable circuit breaker structure is for dismantling the connection between inserted block and the fixed block, is convenient for dismantle the coupling assembling that is located the miniature circuit breaker upper portion in edge when miniature circuit breaker combines, increases holistic aesthetic property.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a combinable circuit breaker structure according to the present utility model.

Fig. 2 is a schematic structural view of a combined connector in a combinable circuit breaker structure according to the present utility model.

Fig. 3 is an exploded view of a modular connector in a modular circuit breaker configuration according to the present utility model.

Fig. 4 is a side cross-sectional view of a mounting block in a circuit breaker structure that can be assembled in accordance with the present utility model.

Fig. 5 is a side cross-sectional view of one end of a connection assembly in a combinable circuit breaker structure of the present utility model.

In the figure: 1. a first miniature circuit breaker; 2. a second miniature circuit breaker; 3. assembling a connecting piece; 4. a fixed block; 5. a connection assembly; 6. a slot; 7. a clamping groove; 8. limiting extrusion plates; 9. inserting blocks; 10. ear plates; 11. a chute; 12. right trapezoid inclined wedge block; 13. a first compression spring; 14. a threaded hole; 15. a movable block; 16. a mounting groove; 17. a limiting block; 18. a second compression spring; 19. a limit rod; 20. a mounting cavity; 21. and a limit groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The present embodiment is a combinable circuit breaker structure.

As shown in fig. 1-5, the circuit breaker comprises a first miniature circuit breaker 1 and a second miniature circuit breaker 2, the second miniature circuit breaker 2 is positioned on one side outer surface of the first miniature circuit breaker 1, the upper and lower end outer surfaces of the first miniature circuit breaker 1 and the second miniature circuit breaker 2 are fixedly provided with a combined connecting piece 3, the combined connecting piece 3 comprises a fixed block 4, a connecting component 5, a slot 6, a clamping groove 7, a limiting extrusion plate 8, a first compression spring 13 and a threaded hole 14, the connecting component 5 comprises an inserting block 9, an ear plate 10, a sliding groove 11, a right trapezoid inclined wedge 12, a movable block 15, a mounting groove 16, a limiting block 17, a second compression spring 18, a limiting rod 19, a mounting cavity 20 and a limiting groove 21, and the lower end outer surface of the fixed block 4 is fixedly connected with the upper and lower end outer surfaces of the first miniature circuit breaker 1 and the second miniature circuit breaker 2.

The number of the combined connecting pieces 3 in the first miniature circuit breaker 1 is two, the number of the combined connecting pieces 3 in the second miniature circuit breaker 2 is two, the outer wall of the plug 9 in the combined connecting piece 3 is in plug connection with the slot 6 in the combined connecting piece 3, and the right trapezoid inclined wedge 12 in the combined connecting piece 3 is in clamping connection with the clamping groove 7 in the combined connecting piece 3; the ear plate 10 is fixedly arranged on the left side and the right side of one end of the outer surfaces of the upper end and the lower end of the insertion block 9, the threaded holes 14 are formed in four corners of the outer surface of one end of the fixed block 4, fixing bolts are arranged between the ear plate 10 and the threaded holes 14, and the ear plate 10 is fixedly connected with the threaded holes 14 through the fixing bolts; the slot 6 is formed in the outer surface of the other end of the fixed block 4, the limiting extrusion plate 8 is formed in the middle of the outer surface of the upper end of the fixed block 4, the limiting extrusion plate 8 is communicated with the slot 6, the limiting extrusion plate 8 and the first compression spring 13 are positioned in the slot 6, one end outer surface of the first compression spring 13 is fixedly connected with one end of the slot 6, the outer surface of the other end of the first compression spring 13 is fixedly connected with one side outer surface of the limiting extrusion plate 8, the outer wall of the limiting extrusion plate 8 is in sliding connection with the slot 6, and one side outer surface of the limiting extrusion plate 8 is elastically connected with one end of the slot 6 through the first compression spring 13; the sliding chute 11 is arranged on one side of the outer surface of the upper end of the insertion block 9, the installation cavity 20 is arranged in one end of the insertion block 9, the sliding chute 11 is communicated with the installation cavity 20, the second compression spring 18 and the limiting rods 19 are both positioned in the installation cavity 20, the right trapezoid inclined wedge 12 is fixedly arranged on the outer surface of the upper end of the movable block 15, the limiting grooves 21 are arranged on the left side and the right side of the outer surface of the lower end of the movable block 15, the installation grooves 16 are arranged in the middle of the outer surface of the lower end of the movable block 15, the number of the limiting rods 19 in one group of connecting assemblies 5 is two, and the outer surfaces of the lower ends of the two groups of limiting rods 19 are fixedly connected with the left side and the right side of the bottom of the installation cavity 20; the outer surface of the lower end of the second compression spring 18 is fixedly connected with the middle part of the lower end of the installation cavity 20, the outer surface of the upper end of the second compression spring 18 is fixedly connected with the upper part of the movable block 15, the right trapezoid inclined wedge 12, the outer wall of the movable block 15 and the sliding chute 11 are in sliding connection, the movable block 15 is in sliding connection with the outer wall of the limiting rod 19 through the limiting groove 21, the movable block 15 is elastically connected with the bottom of the installation cavity 20 through the second compression spring 18, and the limiting block 17 is fixedly installed on the upper parts of the outer surfaces of the two sides of the movable block 15.

It should be noted that the utility model is a combinable circuit breaker structure, through the combined connecting piece 3, the assembly is convenient between the two groups of combined connecting pieces 3, so that the miniature circuit breakers can be assembled conveniently and quickly, when the first miniature circuit breaker 1 and the second miniature circuit breaker 2 are combined, only one end of the upper connecting component 5 of the first miniature circuit breaker 1 is inserted into the slot 6 in the upper combined connecting piece 3 of the second miniature circuit breaker 2 directly, the installation can be completed, the principle is that when the inserting block 9 in one group of combined connecting pieces 3 is inserted into the slot 6 in the other group of combined connecting pieces 3, one side outer surface of the right-angle trapezoid inclined surface wedge block 12 is extruded, the right-angle trapezoid inclined surface wedge block 12 slides along the chute 11 with the movable block 15, so that the upper end of the right-angle inclined surface wedge block 12 enters the chute 11, the movable block 15 extrudes the second compression spring 18 in the installation cavity 20, the limiting rod 19 and the limiting groove 21 play a limiting role, the lifting stability of the right-angle inclined surface 12 is increased, when the right-angle trapezoid inclined surface 12 is inserted into the slot 7, the reset wedge block 7 is inserted into the lower end of the second clamping groove 7, the right-angle inclined surface is connected with the right-angle trapezoid inclined surface wedge block 12, the reset plate is extruded by the extrusion plate 13, the right-angle inclined surface 12 is extruded by the extrusion plate 13, the reset plate is pressed by the extrusion plate 13, the right-angle inclined surface 12 is pressed by the extrusion plate 13, the extrusion plate 13 is pressed by the extrusion plate, the compression plate is pressed by the compression plate 12, the compression plate is pressed by the compression plate is compressed by the compression plate 12, and the compression plate is compressed by the compression plate 12, thereby increasing the stability of the connection between the first miniature circuit breaker 1 and the second miniature circuit breaker 2 and facilitating the disassembly; the insert block 9 is detachably connected with the fixed block 4, so that when the miniature circuit breaker is combined, the connecting assembly 5 positioned on the upper part of the edge miniature circuit breaker is detached, and the overall aesthetic property is improved.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A combinable circuit breaker structure comprising a first miniature circuit breaker (1) and a second miniature circuit breaker (2), characterized in that: the miniature circuit breaker of second (2) are located one side surface of first miniature circuit breaker (1), just the upper and lower both ends surface of first miniature circuit breaker (1), miniature circuit breaker of second (2) is all fixed mounting has composite connector (3), composite connector (3) are including fixed block (4), coupling assembling (5), slot (6), draw-in groove (7), spacing stripper plate (8), first compression spring (13) and screw hole (14), just coupling assembling (5) are including inserted block (9), otic placode (10), spout (11), right trapezoid inclined wedge (12), movable block (15), mounting groove (16), stopper (17), second compression spring (18), gag lever post (19), installation cavity (20) and spacing groove (21), the lower extreme surface of fixed block (4) is connected with the upper and lower both ends surface fixed of first miniature circuit breaker (1), miniature circuit breaker of second (2).

2. A combinable circuit breaker structure according to claim 1, wherein: the number of the combined connecting pieces (3) in the first miniature circuit breaker (1) is two, the number of the combined connecting pieces (3) in the second miniature circuit breaker (2) is two, the outer wall of the plug block (9) in the combined connecting pieces (3) is in plug connection with the slot (6) in the combined connecting pieces (3), and the right trapezoid inclined plane wedge blocks (12) in the combined connecting pieces (3) are in clamping connection with the clamping grooves (7) in the combined connecting pieces (3).

3. A combinable circuit breaker structure according to claim 2, wherein: the lug plate (10) is fixedly arranged on the left side and the right side of one end of the outer surfaces of the upper end and the lower end of the insertion block (9), the threaded holes (14) are formed in four corners of one end of the outer surface of the fixed block (4), fixing bolts are arranged between the lug plate (10) and the threaded holes (14), and the lug plate (10) is fixedly connected with the threaded holes (14) through the fixing bolts.

4. A combinable circuit breaker arrangement according to claim 3, wherein: the utility model discloses a fixed block, including fixed block (4) and slot (6), slot (6) are seted up in the other end surface of fixed block (4), limit extrusion board (8) are seted up in the middle part of fixed block (4) upper end surface, limit extrusion board (8) communicate with each other with slot (6), limit extrusion board (8) are located slot (6) with first compression spring (13), just the one end surface of first compression spring (13) and the one end fixed connection of slot (6), the other end surface of first compression spring (13) and one side surface fixed connection of limit extrusion board (8), be sliding connection between the outer wall of limit extrusion board (8) and slot (6), one side surface of limit extrusion board (8) is through one end elastic connection of first compression spring (13) and slot (6).

5. A combinable circuit breaker structure according to claim 4, wherein: the utility model discloses a movable block, including movable block (15), spout (11), installation cavity (20) are seted up in one side of the upper end surface of inserted block (9), just spout (11) communicate with each other with installation cavity (20), second compression spring (18) and gag lever post (19) all are located installation cavity (20), right trapezoid inclined wedge (12) fixed mounting is in the upper end surface of movable block (15), limit groove (21) are seted up in the left and right sides of movable block (15) lower extreme surface, install groove (16) are seted up in the middle part of movable block (15) lower extreme surface, a set of in coupling assembling (5) the quantity of gag lever post (19) is two sets of, two sets of the lower extreme surface of gag lever post (19) and the left and right sides fixed connection of installation cavity (20) bottom.

6. A combinable circuit breaker structure according to claim 5, wherein: the lower extreme surface of second compression spring (18) and the middle part fixed connection of installation cavity (20) lower extreme, the upper end surface of second compression spring (18) and the upper portion fixed connection of movable block (15), be sliding connection between right trapezoid inclined plane voussoir (12), the outer wall of movable block (15) and spout (11), the outer wall sliding connection of movable block (15) through spacing groove (21) and gag lever post (19), the bottom elastic connection of movable block (15) through second compression spring (18) and installation cavity (20), stopper (17) fixed mounting is in the upper portion of movable block (15) both sides surface.