Sliding structure of molded case circuit breaker in JP cabinet

By using a sliding device in the JP cabinet, including a positioning frame and a connecting block, the deformation problem caused by screws being screwed into the metal rod is solved, the molded case circuit breaker can be quickly installed and removed, and the maintenance efficiency is improved.

CN223334227UActive Publication Date: 2025-09-12YUEQING BRANCH OF SHANGHAI HAOCHENG ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202521660727.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2025-09-12
Estimated Expiration
2035-08-06

AI Technical Summary

Technical Problem

In the prior art, during the installation of the molded case circuit breaker in the JP cabinet, the screws need to be screwed into the metal rod with force. During the screwing-in process of the molded case circuit breaker, the screws need to be screwed into the metal rod with force, which easily causes the metal rod to deform, and the installation and disassembly procedures are cumbersome.

Method used

A sliding device is used, including a positioning frame and a connecting block, which is fixed to the molded case circuit breaker through the connecting block, and the sliding groove and extension end in the positioning frame are used to realize the rapid installation and removal of the molded case circuit breaker.

Benefits of technology

The installation and disassembly procedures of the molded case circuit breaker are simplified, the maintenance efficiency is improved, and the deformation of the metal rod and the inconvenience of screwing in are avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sliding structure of a molded case circuit breaker in a JP cabinet, which comprises a box body and a molded case circuit breaker arranged in the box body, and a sliding device used for supporting the molded case circuit breaker is arranged between the box body and the molded case circuit breaker. The sliding device comprises a positioning frame arranged on the side wall of the box body and a plurality of connecting blocks arranged in the positioning frame in a sliding mode, and the connecting blocks are fixedly connected with the molded case circuit breaker. The defects that in the prior art, a metal rod is prone to deformation in the screwing-in process, all screws need to be disassembled in sequence in the maintenance process, and the installation and disassembly procedures are very tedious are overcome.
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Description

Technical Field

[0001] The utility model relates to the technical field of JP cabinets, in particular to a sliding structure of a molded case circuit breaker in a JP cabinet. Background Art

[0002] A JP cabinet is an outdoor integrated distribution box used for centralized installation of protective electrical appliances (such as molded case circuit breakers) in a power distribution system. It primarily implements power distribution, circuit protection, and safety management of electrical equipment. Molded case circuit breakers in the JP cabinet primarily provide overload and short-circuit protection for distribution lines, ensuring safe and stable operation of the power system. In existing technology, a row of metal rods is typically installed inside the cabinet, and the molded case circuit breakers are typically secured to the rods with multiple screws. During installation, the screws need to be forcefully screwed into the rods, which can easily cause deformation of the rods. Furthermore, during maintenance, each screw needs to be removed one by one, making both the installation and removal procedures very cumbersome. Utility Model Content

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art that during the installation process, the screws need to be screwed into the metal rod with force, which easily causes the metal rod to deform during the screwing process, and when repairing, each screw needs to be removed one by one, and the installation and disassembly procedures are very cumbersome, thereby providing a sliding device that can quickly install and disassemble the molded case circuit breaker.

[0004] To this end, the present invention provides a sliding structure of a molded case circuit breaker in a JP cabinet, comprising a box body and a molded case circuit breaker arranged inside the box body, a sliding device for supporting the molded case circuit breaker is arranged between the box body and the molded case circuit breaker, the sliding device comprising a positioning frame arranged on the side wall of the box body and a plurality of connecting blocks slidably arranged inside the positioning frame, and the connecting blocks are fixedly connected to the molded case circuit breaker.

[0005] Furthermore: the positioning frame includes a first connecting plate and a second connecting plate arranged relatively to each other, a first sliding groove is provided in the first connecting plate, and a second sliding groove is provided in the second connecting plate, the first sliding groove and the second sliding groove together form a space for the connecting block to be inserted, and the connecting block can slide back and forth along the extension direction of the first sliding groove and the second sliding groove.

[0006] Furthermore: a first extending end is provided on the first connecting plate, and a second extending end is provided on the second connecting plate, and the first extending end and the second extending end are extended from both sides toward the middle.

[0007] Furthermore: a positioning groove for connecting to the molded case circuit breaker is provided on the connecting block.

[0008] Further: support frames are respectively provided on both sides of the first connecting plate and the second connecting plate, the support frames are arranged along the height direction of the box body, a plurality of first waist-shaped grooves are provided on the support frames, the first connecting plate and the second connecting plate are provided with second waist-shaped grooves that can be aligned with the first waist-shaped grooves, and the first waist-shaped grooves and the second waist-shaped grooves are connected by fastening nails.

[0009] Furthermore: a threaded hole is provided in the positioning groove.

[0010] Furthermore: the second connecting plate is provided with a connecting groove for the external fastening nail to penetrate to position the connecting block.

[0011] The technical solution of this utility model has the following advantages:

[0012] 1. The utility model provides a sliding structure for a molded case circuit breaker in a JP cabinet. When installing the molded case circuit breaker, the back of the molded case circuit breaker can be connected to the connecting block first, and then the connecting block is inserted into the positioning frame, so that the connecting block slides in the positioning frame. This is superior to the existing technology and can fix the molded case circuit breaker by the connecting block. During maintenance, the connecting block can be removed from the positioning frame for replacement or maintenance of the molded case circuit breaker. This simplifies the disassembly procedure and thus improves maintenance efficiency.

[0013] 2. The utility model provides a sliding structure for a molded case circuit breaker in a JP cabinet. The positioning frame includes a first connecting plate and a second connecting plate arranged opposite to each other. To ensure that the connecting block can slide smoothly, there is a space between the first connecting plate and the second connecting plate for the connecting block to be inserted. The space is formed by the cooperation of the first sliding groove and the second sliding groove. During the installation process, the molded case circuit breaker is installed on the connecting block, and then the connecting block is pushed from the side opening into the space formed by the first sliding groove and the second sliding groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a structural diagram of the molded case circuit breaker installed in the JP cabinet;

[0016] Figure 2 This is a structural diagram of the sliding device installed in the JP cabinet;

[0017] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0018] Figure 4 This is a side structural diagram of the molded case circuit breaker installed in the JP cabinet;

[0019] Figure 5 for Figure 4 Enlarged view of part B in the middle.

[0020] Description of reference numerals:

[0021] 1. Box body; 2. Molded case circuit breaker; 3. Sliding device; 31. Positioning frame; 32. Connecting block; 4. First connecting plate; 41. First sliding groove; 42. Second waist-shaped groove; 5. Second connecting plate; 50. Connecting groove; 51. Second sliding groove; 6. First extension end; 7. Second extension end; 8. Positioning groove; 9. Support frame; 91. First waist-shaped groove. DETAILED DESCRIPTION

[0022] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Example

[0027] This embodiment provides a sliding structure of a molded case circuit breaker in a JP cabinet, including a box body 1 and a molded case circuit breaker 2 arranged inside the box body 1. A sliding device 3 for supporting the molded case circuit breaker 2 is provided between the box body 1 and the molded case circuit breaker 2. The sliding device 3 includes a positioning frame 31 arranged on the side wall of the box body 1 and several connecting blocks 32 slidably arranged inside the positioning frame 31. The connecting blocks 32 are fixedly connected to the molded case circuit breaker 2.

[0028] The above specific improvements are: Figure 1-Figure 3 As shown, when installing the molded case circuit breaker 2, the back of the molded case circuit breaker 2 can be connected to the connecting block 32 first, and then the connecting block 32 can be inserted into the positioning frame 31, so that the connecting block 32 slides in the positioning frame 31. This is better than the existing technology, and the molded case circuit breaker 2 can be fixed by the connecting block 32. When repairing, the connecting block 32 can be taken out of the positioning frame 31 for replacement or repair of the molded case circuit breaker 2. This simplifies the disassembly procedure and improves the maintenance efficiency.

[0029] On the basis of the above embodiment: the positioning frame 31 includes a first connecting plate 4 and a second connecting plate 5 arranged relatively to each other, a first sliding groove 41 is provided in the first connecting plate 4, and a second sliding groove 51 is provided in the second connecting plate 5, the first sliding groove 41 and the second sliding groove 51 together form a space for the connecting block 32 to be inserted, and the connecting block 32 can slide back and forth along the extension direction of the first sliding groove 41 and the second sliding groove 51.

[0030] The above specific improvements are: Figure 3 As shown, the positioning frame 31 includes a first connecting plate 4 and a second connecting plate 5 arranged opposite to each other. To ensure that the connecting block 32 can slide smoothly, there is a space between the first connecting plate 4 and the second connecting plate 5 for the connecting block 32 to be inserted. The space is formed by the first sliding groove 41 and the second sliding groove 51. During the installation process, the molded case circuit breaker 2 is installed on the connecting block 32, and then the connecting block 32 is pushed from the side opening into the space formed by the first sliding groove 41 and the second sliding groove 51.

[0031] On the basis of the above embodiment: the first connecting plate 4 is provided with a first extending end 6, and the second connecting plate 5 is provided with a second extending end 7, and the first extending end 6 and the second extending end 7 are extended from both sides toward the middle.

[0032] The above specific improvements are: Figure 4 and Figure 5As shown, a first extension end 6 is provided on the first connecting plate 4, and a second extension end 7 is provided on the second connecting plate 5. The first extension end 6 and the second extension end 7 are arranged opposite to each other and extend from both sides toward the middle. Through the arrangement of the first extension end 6 and the second extension end 7, the connecting block 32 is prevented from falling out of the first sliding groove 41 and the second sliding groove 51 during the sliding process.

[0033] On the basis of the above embodiment: a positioning groove 8 for connecting with the molded case circuit breaker 2 is provided on the connecting block 32 .

[0034] The above specific improvements are: Figure 3 As shown, by setting the positioning groove 8, the connection block 32 can be connected to the molded case circuit breaker 2.

[0035] On the basis of the above embodiment: support frames 9 are respectively provided on both sides of the first connecting plate 4 and the second connecting plate 5, and the support frames 9 are arranged along the height direction of the box body 1, and a plurality of first waist-shaped grooves 91 are provided on the support frames 9, and the first connecting plate 4 and the second connecting plate 5 are provided with second waist-shaped grooves 42 that can be aligned with the first waist-shaped grooves 91, and the first waist-shaped grooves 91 and the second waist-shaped grooves 42 are connected by fastening nails.

[0036] The above specific improvements are: Figure 3 As shown, a support frame 9 is set on both sides of the first connecting plate 4 and the second connecting plate 5, and a plurality of first waist-shaped grooves 91 are longitudinally set on the support frame 9. Second waist-shaped grooves 42 are set on the first connecting plate 4 and the second connecting plate 5. The second waist-shaped grooves 42 can be aligned with any waist-shaped groove on the support frame 9, and then fixed with fastening nails. The setting of waist-shaped holes can make installation more convenient and prevent difficult installation and misalignment caused by production tolerances.

[0037] On the basis of the above embodiment: a threaded hole is provided in the positioning groove 8 .

[0038] The above-mentioned specific improvement is: in order to facilitate the connection between the molded case circuit breaker 2 and the positioning groove 8, a threaded hole is provided in the positioning groove 8, and a threaded nail connected to the threaded hole is provided on the molded case circuit breaker 2. When connecting, the threaded nail is screwed into the threaded hole.

[0039] On the basis of the above embodiment: the second connecting plate 5 is provided with a connecting groove 50 for the external fastening nail to penetrate to position the connecting block 32 .

[0040] The above specific improvements are: Figure 3 As shown, after the molded case circuit breaker 2 is fixed on the connecting block 32, the screw is screwed into the connecting groove 50, thereby effectively fixing the position of the connecting block 32 and preventing the connecting block 32 from moving further.

[0041] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A sliding structure for a molded case circuit breaker in a JP cabinet, characterized by: The invention comprises a box body (1) and a molded case circuit breaker (2) arranged inside the box body (1); a sliding device (3) for supporting the molded case circuit breaker (2) is arranged between the box body (1) and the molded case circuit breaker (2); the sliding device (3) comprises a positioning frame (31) arranged on the side wall of the box body (1) and a plurality of connecting blocks (32) slidably arranged inside the positioning frame (31); the connecting blocks (32) are fixedly connected to the molded case circuit breaker (2).

2. The sliding structure of a molded case circuit breaker in a JP cabinet according to claim 1, characterized in that: The positioning frame (31) includes a first connecting plate (4) and a second connecting plate (5) which are arranged opposite to each other. A first sliding groove (41) is provided in the first connecting plate (4), and a second sliding groove (51) is provided in the second connecting plate (5). The first sliding groove (41) and the second sliding groove (51) form a space for the connecting block (32) to be inserted. The connecting block (32) can slide back and forth along the extension direction of the first sliding groove (41) and the second sliding groove (51).

3. The sliding structure of a molded case circuit breaker in a JP cabinet according to claim 2, characterized in that: The first connecting plate (4) is provided with a first extending end (6), and the second connecting plate (5) is provided with a second extending end (7), and the first extending end (6) and the second extending end (7) are extended from both sides toward the middle.

4. The sliding structure of a molded case circuit breaker in a JP cabinet according to any one of claims 2 to 3, characterized in that: The connection block (32) is provided with a positioning groove (8) for connecting with the molded case circuit breaker (2).

5. The sliding structure of a molded case circuit breaker in a JP cabinet according to claim 2 or 3, characterized in that: Support frames (9) are respectively provided on both sides of the first connecting plate (4) and the second connecting plate (5), and the support frames (9) are arranged along the height direction of the box body (1). The support frames (9) are provided with a plurality of first waist-shaped grooves (91), and the first connecting plate (4) and the second connecting plate (5) are provided with second waist-shaped grooves (42) that can be aligned with the first waist-shaped grooves (91). The first waist-shaped grooves (91) and the second waist-shaped grooves (42) are connected by fastening nails.

6. The sliding structure of a molded case circuit breaker in a JP cabinet according to claim 4, characterized in that: A threaded hole is provided in the positioning groove (8).

7. The sliding structure of a molded case circuit breaker in a JP cabinet according to claim 6, characterized in that: The second connecting plate (5) is provided with a connecting groove (50) for an external fastening nail to penetrate to position the connecting block (32).