CN213520818U

CN213520818U - Alternating current-direct current power distribution cabinet with interlocking structure

Info

Publication number: CN213520818U
Application number: CN202022516228.XU
Authority: CN
Inventors: 邓恢坚; 杜战争; 陈臻; 郑友圣; 李解放; 徐金华
Original assignee: Suzhou Xiaocong Electrical Equipment Co Ltd
Current assignee: Suzhou Xiaocong Electrical Equipment Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-22
Anticipated expiration: 2030-11-04

Abstract

The utility model provides an alternating current-direct current switch board with interlocking structure, belongs to distribution and power consumption technical field, including switch board, interlock, moulded case circuit breaker one and moulded case circuit breaker two, interlock includes upper cover plate, interlocking pole, lower apron, catch bar and shell fragment, the upper cover plate cover is established under on the apron, the interlocking pole sets up at the upper cover plate under and between the apron, the shell fragment sets up under in the apron to shell fragment and interlocking pole counterbalance, the one end of catch bar can pass the upper cover plate and be connected with the interlocking pole, the both ends of interlocking pole can insert respectively in moulded case circuit breaker one and the moulded case circuit breaker two. The utility model discloses an alternating current-direct current switch board with interlocking structure, the interlock that sets up in the alternating current-direct current switch board is fit for little space and uses, adopts good steel to reach fine rigidity and make whole design be full of again simultaneously small and exquisite, nimble, the design that the proportion is coordinated feels, carries out fixed position locking, compact structure, dependable performance through the motion of interlocking pole.

Description

Alternating current-direct current power distribution cabinet with interlocking structure

Technical Field

The utility model belongs to the technical field of distribution and power consumption, specifically, relate to an alternating current-direct current switch board with interlocking structure.

Background

The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

At present, a power distribution cabinet basically adopts two paths of power supply, and 2 main power distribution circuit breakers are mostly installed on an inlet wire side in the cabinet. An interlocking device is generally required to be installed between the two circuit breakers so as to prevent the two paths of power supplies from being conducted simultaneously. The traditional interlocking device is characterized in that only one path of power supply is limited to be conducted, and the other path of power supply is not necessarily conducted. However, with the development of science and technology, the situation that two paths of power supplies are required to be conducted simultaneously more and more appears, so that the traditional interlocking device cannot meet the requirement, and the existing interlocking device has the problems of large size, large installation space and great shortage in use. In addition, the existing interlocking device is inconvenient to switch and very troublesome to fix when in use, and the safety is not high enough.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an alternating current-direct current switch board with interlocking structure has solved among the prior art interlocking structure that the circuit breaker used, and it is great to have the size of mechanism usually, and the cost is higher, operates inconvenient problem.

The technical scheme is as follows: the utility model provides an AC/DC power distribution cabinet with an interlocking structure, which comprises a power distribution cabinet, an interlocking device, a first molded case circuit breaker and a second molded case circuit breaker, wherein the interlocking device, the first molded case circuit breaker and the second molded case circuit breaker are all arranged on the power distribution cabinet, and the interlocking device is positioned between the first molded case circuit breaker and the second molded case circuit breaker; the interlocking device comprises an upper cover plate, an interlocking rod, a lower cover plate, a pushing rod and an elastic sheet, wherein the upper cover plate is covered on the lower cover plate, the interlocking rod is arranged between the upper cover plate and the lower cover plate, the two ends of the interlocking rod extend out of the upper cover plate and the lower cover plate, the elastic sheet is arranged in the lower cover plate, the elastic sheet and the interlocking rod are abutted, one end of the pushing rod can penetrate through the upper cover plate and be connected with the interlocking rod, and the two ends of the interlocking rod can be respectively inserted into a first molded case circuit breaker and a second molded case circuit breaker. The utility model discloses an alternating current-direct current switch board with interlocking structure, the interlock that sets up in the alternating current-direct current switch board is fit for little space and uses, adopts good steel to reach fine rigidity and make whole design be full of again simultaneously small and exquisite, nimble, the design that the proportion is coordinated feels, carries out fixed position locking, compact structure, dependable performance through the motion of interlocking pole.

Further, foretell alternating current-direct current switch board that has interlocking structure, upper cover plate and lower apron are the rectangle flat, be equipped with rectangle recess one on the terminal surface that the upper cover plate is close to lower apron, rectangle recess one extends to the both ends of upper cover plate length direction, the interlocking pole sets up in rectangle recess one to the interlocking pole can move along the length direction of upper cover plate in rectangle recess one.

Furthermore, according to the alternating current/direct current power distribution cabinet with the interlocking structure, the end face, close to the lower cover plate, of the lower cover plate is provided with the second rectangular groove, one end of the elastic piece is arranged on the bottom face of the second rectangular groove, and the other end, far away from the lower cover plate, of the elastic piece abuts against the interlocking rod.

Furthermore, according to the alternating current-direct current power distribution cabinet with the interlocking structure, the interlocking rod is rectangular and long, a first threaded hole is formed in the center of the interlocking rod, an external thread is arranged at the end, close to the interlocking rod, of the push rod, and the external thread is in threaded connection with the first threaded hole.

Furthermore, foretell alternating current-direct current switch board that has interlocking structure, be equipped with waist type hole one on the upper cover plate, waist type hole one and rectangle recess one intercommunication, the tip that the catch bar was equipped with the external screw thread can pass waist type hole one and interlocking pole connection to the catch bar can move along the length direction of upper cover plate in waist type hole one.

Further, foretell alternating current-direct current switch board that has interlocking structure, the shell fragment includes kink one, arch portion and kink two, kink one and kink two symmetry set up to kink one and kink two are connected with the both ends of arch portion respectively, kink one and kink two all buckle towards the arc convex part direction of arch portion, the tip that arch portion was kept away from to kink one sets up in the one end of rectangle recess two, the tip that arch portion was kept away from to kink two sets up in the other end of rectangle recess two.

Furthermore, according to the alternating current/direct current power distribution cabinet with the interlocking structure, the first bending corner is arranged between the first bending part and the arch part, the second bending corner is arranged between the second bending part and the arch part, and the first bending corner and the second bending corner are both abutted to the end face, close to the lower cover plate, of the interlocking rod.

Furthermore, above-mentioned alternating current-direct current switch board that has interlocking structure, interlock still includes a set of screw, upper cover plate and lower apron pass through a set of screw fixed connection.

Further, foretell alternating current-direct current switch board that has interlocking structure, the figure of a set of screw is four, be equipped with circular through-hole on four bights of apron down, be equipped with screw hole two on four bights of upper cover plate, screw hole two is just to setting up with circular through-hole, the screw can pass circular through-hole and two threaded connection of screw hole.

Furthermore, foretell alternating current-direct current switch board that has interlocking structure, the bight of upper cover plate, interlocking pole and lower apron all sets up to the fillet, the catch bar is the cylinder pole to be equipped with the knurling on the outer wall of catch bar.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: alternating current-direct current switch board with interlocking structure, simple structure, reasonable, convenient to use, it is with low costs to use, adaptability is good, through the upper cover plate with want the gap in the middle of the apron for the horizontal migration can be to the interlocking pole, and has the spring leaf of interlocking pole below to withstand, be can not slide at will after the interlocking pole motion, according to the circuit breaker of difference, interlocking pole length is different.

Drawings

Fig. 1 is a schematic structural view of an ac/dc power distribution cabinet with an interlocking structure according to the present invention;

fig. 2 is a schematic structural view of the interlocking device of the present invention;

fig. 3 is an exploded view of the interlock device of the present invention.

In the figure: the interlocking device comprises a power distribution cabinet 1, an interlocking device 2, a screw 20, an upper cover plate 21, a threaded hole II 211, an interlocking rod 22, a lower cover plate 23, a circular through hole 231, a push rod 24, an elastic sheet 25, a bent part I251, an arched part 252, a bent part II 253, a bent corner I254, a bent corner II 255, a rectangular groove I26, a rectangular groove II 27, a threaded hole I28, an external thread 29, a waist-shaped hole I210, a molded case circuit breaker I3 and a molded case circuit breaker II 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1, the ac/dc power distribution cabinet with the interlocking structure includes a power distribution cabinet 1, an interlocking device 2, a first molded case circuit breaker 3 and a second molded case circuit breaker 4, wherein the interlocking device 2, the first molded case circuit breaker 3 and the second molded case circuit breaker 4 are all disposed on the power distribution cabinet 1, and the interlocking device 2 is located between the first molded case circuit breaker 3 and the second molded case circuit breaker 4.

In the above-mentioned structure, as shown in fig. 2, 3 interlock device 2 includes upper cover plate 21, interlocking rod 22, lower cover plate 23, catch bar 24 and shell fragment 25, upper cover plate 21 covers and establishes under on cover plate 23, interlocking rod 22 sets up between upper cover plate 21 and lower cover plate 23 to the both ends of interlocking rod 22 extend between upper cover plate 21 and lower cover plate 23, the shell fragment 25 sets up in lower cover plate 23, and shell fragment 25 and interlocking rod 22 offset, upper cover plate 21 and interlocking rod 22 are connected can be passed to catch bar 24's one end, the both ends of interlocking rod 22 can insert respectively in moulded case circuit breaker one 3 and the moulded case circuit breaker two 4.

The upper cover plate 21 and the lower cover plate 23 are both rectangular flat plates, a first rectangular groove 26 is formed in the end face, close to the lower cover plate 23, of the upper cover plate 21, the first rectangular groove 26 extends to the two ends of the length direction of the upper cover plate 21, the interlocking rod 22 is arranged in the first rectangular groove 26, and the interlocking rod 22 can move in the first rectangular groove 26 along the length direction of the upper cover plate 21. The end face, close to the lower cover plate 23, of the lower cover plate 23 is provided with a second rectangular groove 27, one end of the elastic piece 25 is arranged on the bottom face of the second rectangular groove 27, and the other end, far away from the lower cover plate 23, of the elastic piece 25 abuts against the interlocking rod 22. The interlocking rod 22 is rectangular and long, a threaded hole I28 is formed in the center of the interlocking rod 22, an external thread 29 is formed in the end, close to the interlocking rod 22, of the push rod 24, and the external thread 29 is in threaded connection with the threaded hole I28. The upper cover plate 21 is provided with a first kidney-shaped hole 210, the first kidney-shaped hole 210 is communicated with the first rectangular groove 26, the end part of the push rod 24 provided with the external thread 29 can pass through the first kidney-shaped hole 210 to be connected with the interlocking rod 22, and the push rod 24 can move in the first kidney-shaped hole 210 along the length direction of the upper cover plate 21.

In addition, the elastic piece 25 includes a first bending portion 251, an arch portion 252 and a second bending portion 253, the first bending portion 251 and the second bending portion 253 are symmetrically disposed, and the first bending portion 251 and the second bending portion 253 are respectively connected to two ends of the arch portion 252, the first bending portion 251 and the second bending portion 253 are both bent toward the arc-shaped convex portion of the arch portion 252, an end portion of the first bending portion 251 away from the arch portion 252 is disposed in one end of the second rectangular groove 27, and an end portion of the second bending portion 253 away from the arch portion 252 is disposed in the other end of the second rectangular groove 27. A first bending corner 254 is arranged between the first bending part 251 and the arched part 252, a second bending corner 255 is arranged between the second bending part 253 and the arched part 252, and both the first bending corner 254 and the second bending corner 255 abut against the end face of the interlock rod 22 close to the lower cover plate 23.

In addition, the interlocking device 2 further comprises a set of screws 20, and the upper cover plate 21 and the lower cover plate 23 are fixedly connected through the set of screws 20. The number of the set of screws 20 is four, the four corners of the lower cover plate 23 are provided with circular through holes 231, the four corners of the upper cover plate 21 are provided with second threaded holes 211, the second threaded holes 211 and the circular through holes 231 are arranged just opposite to each other, and the screws 20 can penetrate through the circular through holes 231 and the second threaded holes 211 to be in threaded connection. The corners of the upper cover plate 21, the interlocking rod 22 and the lower cover plate 23 are all set to be round corners, the pushing rod 24 is a cylindrical rod, and the outer wall of the pushing rod 24 is provided with embossing.

The utility model discloses alternating current-direct current switch board's working method with interlocking structure: when the interlocking rod 22 is shifted to one side of the first molded case circuit breaker 3, the hand-screwed screw is screwed tightly, so that the first molded case circuit breaker 3 can be switched on and off at will, and the second molded case circuit breaker 4 can only be in a switching-off state; and then the molded case circuit breaker I3 is opened, when the interlocking rod 22 is shifted to one side of the molded case circuit breaker II 4, the hand-screw bolt is screwed, so that the molded case circuit breaker II 4 can be opened and closed at will, and the molded case circuit breaker I3 can only be in an opening state.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an alternating current-direct current switch board with interlocking structure which characterized in that: the interlocking device (2), the first molded case circuit breaker (3) and the second molded case circuit breaker (4) are arranged on the power distribution cabinet (1), and the interlocking device (2) is located between the first molded case circuit breaker (3) and the second molded case circuit breaker (4);

wherein, interlock device (2) include upper cover plate (21), interlocking pole (22), lower cover plate (23), catch bar (24) and shell fragment (25), upper cover plate (21) cover is established under on cover plate (23), interlocking pole (22) set up between upper cover plate (21) and lower cover plate (23) to the both ends of interlocking pole (22) extend between upper cover plate (21) and lower cover plate (23), shell fragment (25) set up in lower cover plate (23) to shell fragment (25) and interlocking pole (22) offset, upper cover plate (21) and interlocking pole (22) connection can be passed to the one end of catch bar (24), the both ends of interlocking pole (22) can insert respectively in moulded case circuit breaker (3) and moulded case circuit breaker two (4).

2. The ac/dc distribution cabinet with interlocking structure of claim 1, wherein: upper cover plate (21) and lower cover plate (23) are the rectangle flat, upper cover plate (21) are close to and are equipped with rectangle recess (26) on the terminal surface of lower cover plate (23), rectangle recess (26) extend to upper cover plate (21) length direction's both ends, interlocking pole (22) set up in rectangle recess (26) to interlocking pole (22) can be in rectangle recess (26) along the length direction removal of upper cover plate (21).

3. The ac/dc distribution cabinet with interlocking structure of claim 2, wherein: the end face, close to the lower cover plate (23), of the lower cover plate (23) is provided with a second rectangular groove (27), one end of the elastic sheet (25) is arranged on the bottom face of the second rectangular groove (27), and the other end, far away from the lower cover plate (23), of the elastic sheet (25) is abutted to the interlocking rod (22).

4. The ac/dc power distribution cabinet with interlocking structure according to claim 3, wherein: the interlocking rod (22) is rectangular and long, a threaded hole I (28) is formed in the center of the interlocking rod (22), an external thread (29) is formed in the end portion, close to the interlocking rod (22), of the push rod (24), and the external thread (29) is in threaded connection with the threaded hole I (28).

5. The AC/DC distribution cabinet with the interlocking structure according to claim 4, wherein: be equipped with waist type hole (210) on upper cover plate (21), waist type hole (210) and rectangle recess (26) intercommunication, the tip that catch bar (24) were equipped with external screw thread (29) can pass waist type hole (210) and interlocking pole (22) and be connected to catch bar (24) can move along the length direction of upper cover plate (21) in waist type hole (210).

6. The AC/DC distribution cabinet with the interlocking structure according to claim 4, wherein: the elastic sheet (25) comprises a first bending part (251), an arched part (252) and a second bending part (253), the first bending part (251) and the second bending part (253) are symmetrically arranged, the first bending part (251) and the second bending part (253) are respectively connected with two ends of the arched part (252), the first bending part (251) and the second bending part (253) are bent towards the arc-shaped convex part direction of the arched part (252), the end part, far away from the arched part (252), of the first bending part (251) is arranged in one end of the second rectangular groove (27), and the end part, far away from the arched part (252), of the second bending part (253) is arranged in the other end of the second rectangular groove (27).

7. The ac/dc distribution cabinet with interlocking structure of claim 6, wherein: a first bending corner (254) is arranged between the first bending part (251) and the arched part (252), a second bending corner (255) is arranged between the second bending part (253) and the arched part (252), and the first bending corner (254) and the second bending corner (255) are both abutted to the end face, close to the lower cover plate (23), of the interlocking rod (22).

8. The ac/dc distribution cabinet with interlocking structure of claim 2, wherein: the interlocking device (2) further comprises a set of screws (20), and the upper cover plate (21) and the lower cover plate (23) are fixedly connected through the set of screws (20).

9. The ac/dc distribution cabinet with interlocking structure of claim 8, wherein: the number of the set of screws (20) is four, the four corners of the lower cover plate (23) are provided with round through holes (231), the four corners of the upper cover plate (21) are provided with second threaded holes (211), the second threaded holes (211) and the round through holes (231) are arranged just right, and the screws (20) can penetrate through the round through holes (231) and the second threaded holes (211) in threaded connection.

10. The ac/dc distribution cabinet with interlocking structure of claim 8, wherein: the corner parts of the upper cover plate (21), the interlocking rod (22) and the lower cover plate (23) are all set to be round corners, the push rod (24) is a cylindrical rod, and embossing is arranged on the outer wall of the push rod (24).