Molded case circuit breaker copper bar supporting piece

Abstract

The utility model relates to a molded case circuit breaker copper bar support member, comprising a side plate which is integrally connected and is provided with a fixing hole; the main plate is bent relative to the side plate, the main plate is provided with a first supporting part, a second supporting part and a third supporting part which are bent relative to the main plate, the first supporting part is provided with a first connecting hole used for being connected with a first branch copper bar, the second supporting part is provided with a second connecting hole used for being connected with a second branch copper bar, and the third supporting part is provided with a third connecting hole used for being connected with a second branch copper bar. The third supporting part is provided with a third connecting hole used for being connected with a third branch copper bar. The first supporting part, the second supporting part and the third supporting part are arranged at intervals. According to the molded case circuit breaker copper bar supporting piece provided by the utility model, the side plate is fixedly connected with the cabinet body of a power distribution cabinet by using the fixing holes, and then the supporting effect is achieved and branch copper bars are prevented from drooping by using fasteners, such as bolts, screws and the like.

Description

Technical Field

[0001] The utility model relates to the field of power distribution cabinets, in particular to a copper bar support for a molded case circuit breaker. Background Art

[0002] In the installation and fixation of the branch bar of the molded case circuit breaker in the power distribution cabinet products on the market, the branch bar often extends directly from the open pile head to the copper bar, which is in a suspended state. When connecting the cables on site, the copper bar is easily affected by the cable gravity, construction stress, etc., which causes a short circuit accident, seriously affecting the safety of the equipment. In addition, the existing switch pile head leads to the copper bar to connect the cable, which is easy to cause the switch pile head to be affected by the cable stress for a long time, causing the copper bar to sag, resulting in a short circuit accident and a thermal tripping fault at the switch pile head. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a copper busbar support for a molded case circuit breaker.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] A copper bar support for a molded case circuit breaker, comprising an integrally connected

[0006] a side plate having fixing holes thereon;

[0007] A main board, which is bent relative to the side board, and is provided with a first supporting portion, a second supporting portion and a third supporting portion which are bent relative to the main board, the first supporting portion is provided with a first connecting hole for connecting to the first branch copper busbar, the second supporting portion is provided with a second connecting hole for connecting to the second branch copper busbar, and the third supporting portion is provided with a third connecting hole for connecting to the third branch copper busbar;

[0008] The first supporting portion, the second supporting portion and the third supporting portion are arranged at intervals from each other.

[0009] The copper busbar support for a molded case circuit breaker as described above also includes a first insulator arranged between the first support portion and the first branch copper busbar, a second insulator arranged between the second support portion and the second branch copper busbar, and a third insulator arranged between the third support portion and the third branch copper busbar.

[0010] In a copper busbar support for a molded case circuit breaker as described above, the main board includes a connecting portion connected to the side plate, a first supporting arm connected to the connecting portion, and a second supporting arm connected to the connecting portion, the first supporting portion is arranged at the end of the first supporting arm, and the second supporting portion is arranged at the end of the second supporting arm.

[0011] In the copper busbar support for a molded case circuit breaker as described above, the first support arm and the second support arm are spaced apart to form a cavity therebetween, and the third support portion is connected to the connection portion at a position corresponding to the cavity.

[0012] In the copper busbar support for a molded case circuit breaker as described above, the side plate is perpendicular to the back side of the main board, the first support portion, the second support portion and the third support portion are all perpendicular to the front side of the main board, and the main board is vertically arranged.

[0013] In the copper busbar support for a molded case circuit breaker as described above, the first support arm is provided with a first reinforcing rib bent relative to the first support arm, and the second support arm is provided with a second reinforcing rib bent relative to the first support arm.

[0014] In the copper busbar support of a molded case circuit breaker as described above, a first widened portion extending toward the second support arm is provided between the first support arm and the first support portion, and the first support portion is bent relative to the first widened portion; a second widened portion extending toward the first support arm is provided between the second support arm and the second support portion, and the second support portion is bent relative to the second widened portion.

[0015] In the above-mentioned copper bar support for a molded case circuit breaker, the bending direction of the first reinforcing rib is the same as the bending direction of the first supporting portion; the bending direction of the second reinforcing rib is the same as the bending direction of the second supporting portion.

[0016] In the copper busbar support for a molded case circuit breaker as described above, the first support portion, the second support portion and the third support portion are distributed on the main board in a triangle shape.

[0017] In the copper busbar support of a molded case circuit breaker as described above, the transverse length of the first reinforcing rib is a, the transverse length of the first supporting portion and the third supporting portion is b, and a>b.

[0018] The beneficial effects of this application are:

[0019] The utility model provides a copper bar support for a molded case circuit breaker, which uses a fixing hole to fix the side plate to the cabinet of the distribution cabinet, and then uses fasteners such as bolts and screws to connect the first support part, the second support part and the third support part to the first branch copper bar, the second branch copper bar and the third branch copper bar respectively, thereby achieving a supporting effect and preventing the branch copper bar from sagging. The utility model solves the problem of fixed support of the outlet copper bar of the molded case circuit breaker in the low-voltage distribution cabinet.

[0020] The manufacturing material of the utility model is cold-rolled steel plate, the design structure is simple, the material is less, and it can be made of leftover materials. The spacing between switch piles of different brands and different current levels can be adjusted, and the design is highly flexible. This solution is conducive to the early prefabrication of the installation beam, product standardization, and the improvement of production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0022] Figure 1 It is a schematic diagram of the internal structure of an existing power distribution cabinet;

[0023] Figure 2 It is the front view of the utility model;

[0024] Figure 3 It is a left view of the utility model;

[0025] Figure 4 It is a bottom view of the utility model;

[0026] Figure 5 It is an installation schematic diagram of the utility model. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] A copper bar support for a molded case circuit breaker, comprising an integrally connected

[0029] The side plate 1 is provided with fixing holes 11 for connecting with the power distribution cabinet.

[0030] The main board 2 is bent relative to the side board 1, and the main board 2 is provided with a first supporting portion 3, a second supporting portion 4 and a third supporting portion 5 bent relative thereto, the first supporting portion 3 is provided with a first connecting hole 31 for connecting with the first branch copper busbar 91, the second supporting portion 4 is provided with a second connecting hole 41 for connecting with the second branch copper busbar 92, and the third supporting portion 5 is provided with a third connecting hole 51 for connecting with the third branch copper busbar 93;

[0031] The first supporting portion 3 , the second supporting portion 4 and the third supporting portion 5 are arranged at intervals from each other.

[0032] The utility model provides a copper busbar support for a molded case circuit breaker. The side plate is fixedly connected to the cabinet body of the power distribution cabinet by using fixing holes, and then the first support part, the second support part and the third support part are respectively connected to the first branch copper busbar, the second branch copper busbar and the third branch copper busbar by using fasteners such as bolts and screws, so as to achieve the supporting effect and prevent the branch copper busbar from sagging. The problem of fixed support of the copper busbar of the molded case circuit breaker in the low-voltage power distribution cabinet is solved. Figure 1 As shown in the figure, the molded case switch 9 is provided with a first branch copper bar 91, a second branch copper bar 92, and a third branch copper bar 93, and the first branch copper bar 91, the second branch copper bar 92, and the third branch copper bar 93 are connected with a cable 94. It can be seen that the existing copper bar has no support and is easy to bend.

[0033] Further, as a preferred embodiment of the present invention but not limiting, it also includes a first insulator 6 disposed between the first support portion 3 and the first branch copper bar, a second insulator 7 disposed between the second support portion 4 and the second branch copper bar, and a third insulator 8 disposed between the third support portion 5 and the third branch copper bar. A copper bar support for a molded case circuit breaker is made of a steel plate, and the insulator can prevent leakage.

[0034] Further, as a preferred embodiment of the present solution but not limiting, the main board 2 includes a connecting portion 21 connected to the side board 1, a first supporting arm 22 connected to the connecting portion 21, and a second supporting arm 23 connected to the connecting portion 21, the first supporting portion 3 is arranged at the end of the first supporting arm 22, and the second supporting portion 4 is arranged at the end of the second supporting arm 23. This allows the copper bars to be separated.

[0035] Further, as a preferred embodiment of the present solution but not a limitation, the first support arm 22 and the second support arm 23 are spaced apart to form a cavity 24 therebetween, and the third support portion 5 is connected to the connection portion 21 at a position corresponding to the cavity 24 .

[0036] Further, as a preferred embodiment of the present invention but not limiting, the side panel 1 is perpendicular to the back of the main board 2, the first support portion 3, the second support portion 4 and the third support portion 5 are perpendicular to the front of the main board 2, and the main board 2 is vertically arranged. The main board 2 is vertically arranged to improve the tensile strength.

[0037] Further, as a preferred embodiment of the present solution but not limiting, the first support arm 22 is provided with a first reinforcing rib 25 bent relative to the first support arm 22, and the second support arm 23 is provided with a second reinforcing rib 26 bent relative to the second support arm to prevent the first support arm and the second support arm from deforming.

[0038] Further, as a preferred embodiment of the present solution but not limiting, a first widened portion 27 extending toward the second support arm 23 is provided between the first support arm 22 and the first support portion 3, and the first support portion 3 is bent relative to the first widened portion 27; a second widened portion 28 extending toward the first support arm 22 is provided between the second support arm 23 and the second support portion 4, and the second support portion 4 is bent relative to the second widened portion 28. The supporting force of the first support portion and the second support portion is increased.

[0039] Furthermore, as a preferred implementation of the present solution but not a limitation, the bending direction of the first reinforcing rib 25 is the same as the bending direction of the first supporting portion 3 ; the bending direction of the second reinforcing rib 26 is the same as the bending direction of the second supporting portion 4 .

[0040] Further, as a preferred implementation manner of the present solution but not a limitation, the first supporting portion 3 , the second supporting portion 4 and the third supporting portion 5 are distributed on the mainboard 2 in a triangle shape.

[0041] Further, as a preferred embodiment of the present invention but not limiting, the transverse length of the first reinforcing rib 25 is a, the transverse length of the first supporting portion 3 and the third supporting portion 5 is b, and a>b. The overall strength of the mainboard is improved.

[0042] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. A copper bar support for a molded case circuit breaker, Features: Including integrated connection A side plate (1) having a fixing hole (11) thereon; A main board (2) is bent relative to the side board (1); the main board (2) is provided with a first supporting portion (3), a second supporting portion (4) and a third supporting portion (5) bent relative to the main board (2); the first supporting portion (3) is provided with a first connecting hole (31) for connecting to a first branch copper busbar; the second supporting portion (4) is provided with a second connecting hole (41) for connecting to a second branch copper busbar; and the third supporting portion (5) is provided with a third connecting hole (51) for connecting to a third branch copper busbar; The first supporting portion (3), the second supporting portion (4) and the third supporting portion (5) are arranged at intervals from each other.

2. A copper bar support for a molded case circuit breaker according to claim 1, Features: It also includes a first insulator (6) arranged between the first support portion (3) and the first branch copper bar, a second insulator (7) arranged between the second support portion (4) and the second branch copper bar, and a third insulator (8) arranged between the third support portion (5) and the third branch copper bar.

3. A copper bar support for a molded case circuit breaker according to claim 1, Features: The main board (2) comprises a connecting portion (21) connected to the side board (1), a first supporting arm (22) connected to the connecting portion (21), and a second supporting arm (23) connected to the connecting portion (21), wherein the first supporting portion (3) is arranged at the end of the first supporting arm (22), and the second supporting portion (4) is arranged at the end of the second supporting arm (23).

4. A copper bar support for a molded case circuit breaker according to claim 3, Features: The first support arm (22) and the second support arm (23) are spaced apart to form a cavity (24) therebetween, and the third support portion (5) is connected to the connection portion (21) at a position corresponding to the cavity (24).

5. A copper bar support for a molded case circuit breaker according to claim 1, Features: The side plate (1) is perpendicular to the back side of the main board (2), the first supporting portion (3), the second supporting portion (4) and the third supporting portion (5) are all perpendicular to the front side of the main board (2), and the main board (2) is arranged vertically.

6. A copper bar support for a molded case circuit breaker according to claim 3, Features: The first support arm (22) is provided with a first reinforcing rib (25) bent relative to the first support arm, and the second support arm (23) is provided with a second reinforcing rib (26) bent relative to the first support arm.

7. A copper bar support for a molded case circuit breaker according to claim 3, Features: A first widened portion (27) extending in the direction of the second support arm (23) is provided between the first support arm (22) and the first support portion (3), and the first support portion (3) is bent relative to the first widened portion (27); a second widened portion (28) extending in the direction of the first support arm (22) is provided between the second support arm (23) and the second support portion (4), and the second support portion (4) is bent relative to the second widened portion (28).

8. A copper bar support for a molded case circuit breaker according to claim 6, Features: The bending direction of the first reinforcing rib (25) is the same as the bending direction of the first supporting portion (3); the bending direction of the second reinforcing rib (26) is the same as the bending direction of the second supporting portion (4).

9. A copper bar support for a molded case circuit breaker according to claim 1, Features: The first supporting portion (3), the second supporting portion (4) and the third supporting portion (5) are distributed on the main board (2) in a triangle shape.

10. A copper bar support for a molded case circuit breaker according to claim 6, Features: The transverse length of the first reinforcing rib (25) is a, the transverse length of the first supporting portion (3) and the third supporting portion (5) is b, and a>b.

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