Externally-hung module for molded case circuit breaker

Abstract

The utility model relates to the technical field of digital intelligent circuit breakers, and discloses an external hanging module for a molded case circuit breaker, which comprises a wall body, a fixing groove is arranged in the wall body, a protective shell is arranged on the outer wall of the wall body, the inner wall of the wall body is fixedly connected with a fixing column, the outer wall of the fixing column is fixedly connected with a sliding block, and the sliding block is fixedly connected with the protective shell. The outer wall of the sliding block is fixedly connected with an isolation block, the outer wall of the connecting shaft is fixedly connected with a fixed shaft, the outer wall of the protective shell is fixedly connected with a sleeve, the inner wall of the sleeve is slidably connected with a sliding shaft, a spring is arranged in the sleeve, and the outer wall of the sliding shaft is fixedly connected with a clamping block. According to the utility model, the fixing shaft enables the clamping block to slide, the clamping block enables the sliding shaft to slide and compresses the spring, when the fixing shaft reaches a proper position, the spring rebounds to push the clamping block to reset, and the fixing shaft fixes the clamping block, so that the effect of enabling the protective shell to protect the molded case circuit breaker from external damage can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of digital intelligent circuit breakers, and in particular to an external module for a molded case circuit breaker. Background Art

[0002] A molded case circuit breaker is a device used to protect electrical systems. The main function of a molded case circuit breaker is to detect and interrupt overload or short circuit conditions in a circuit to prevent damage to electrical equipment or cables. It is a protective device in an electrical system. Some special applications may require additional customized functions that cannot be provided by standard circuit breakers. Plug-in modules can meet these special needs, making circuit breakers more practical.

[0003] After searching, the announcement number: CN216120132U discloses a plug-in module for a multifunctional digital intelligent molded case circuit breaker, including a circuit breaker body, the circuit breaker body including a base and a cover, the circuit breaker body is provided with an electronic circuit board module connected to the base, the electronic circuit board module and the base are buckled and positioned by a mortise and tenon positioning structure; the mortise and tenon positioning structure includes a tenon block and a rectangular rib arranged in the electronic circuit board module and a dovetail groove and a rectangular groove arranged in the base, the tenon block and the dovetail groove, the rectangular rib and the rectangular groove are respectively engaged. This structure only involves the electronic module part, the circuit breaker plastic shell and mold, only the plug-in structure of the dovetail groove needs to be changed, which reduces the fixed asset investment for the iteration of the digital intelligent circuit breaker, and when it is updated, only the shell mold of the electronic module needs to be replaced, which greatly improves its production speed and reduces its production cost, thereby meeting the benefits of the modified design.

[0004] The above application reduces the fixed asset investment for the update and iteration of digital circuit breakers, and only the shell mold of the electronic module needs to be replaced during the update. The production speed is greatly improved and the production cost is reduced. However, it does not take into account that the molded case circuit breaker will be subject to external vibration and impact during use. In a high humidity environment, moisture may enter the interior of the circuit breaker, causing corrosion of electrical parts, degradation of insulation performance, and even causing short circuits or failures. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an external module for a molded case circuit breaker, aiming to improve the problem that the molded case circuit breaker may be affected by the outside world during use.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A plug-in module for a molded case circuit breaker comprises a wall, a fixing groove is provided inside the wall, a protective shell is provided on the outer wall of the wall, a fixing column is fixedly connected to the inner wall of the wall, a sliding block is fixedly connected to the outer wall of the fixing column, an isolation block is fixedly connected to the outer wall of the sliding block, a connecting shaft is slidably connected to the inner wall of the isolation block, the outer wall of the connecting shaft is slidably connected to the inner wall of the sliding block, one end of the connecting shaft is fixedly connected to one end of the fixing column, the outer wall of the connecting shaft is fixedly connected to the fixing shaft, the outer wall of the protective shell is fixedly connected to a sleeve, the inner wall of the sleeve is slidably connected to the sliding shaft, a spring is provided inside the sleeve, and a clamping block is fixedly connected to the outer wall of the sliding shaft.

[0008] Preferably, the outer wall of the block is slidably connected to the inner wall of the sleeve, and the outer wall of the wall is fixedly connected to a sliding frame.

[0009] Preferably, a slide groove is provided inside the slide frame, and a slide assembly is provided inside the slide frame.

[0010] Preferably, the sliding assembly comprises a sliding block, an outer wall of the sliding block is slidably connected to an inner wall of a sliding frame, an outer wall of the sliding block is slidably connected to an interior of a sliding groove, and a connecting block is fixedly connected to the outer wall of the sliding block.

[0011] Preferably, the inner wall of the connecting block is rotatably connected to a first linkage column, and the outer wall of the first linkage column is fixedly connected to a handle.

[0012] Preferably, the outer wall of the first linkage column is rotatably connected to the second linkage column, and the outer wall of the wall is fixedly connected to a fixing block.

[0013] Preferably, the inner wall of the second linkage column is rotatably connected to the outer wall of the fixed block, and the inner wall of the second linkage column is fixedly connected with a clamping column.

[0014] Preferably, a molded case circuit breaker is provided on the outer wall of the clamping column.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the sleeve enters the fixed groove, the fixed shaft enters the sleeve, the fixed shaft causes the block to slide, the block causes the sliding shaft to slide and compress the spring, when the fixed shaft is in a suitable position, the spring rebounds to push the block to reset, the fixed shaft clamps and fixes the block, so that the protective shell can protect the molded case circuit breaker from external damage.

[0017] 2. In the utility model, the handle is pulled to drive the first linkage column to move, the first linkage column drives the slider to slide inside the slide groove, and then pushes the second linkage column to rotate, the second linkage column drives the clamping column to descend, and after the clamping column descends, the molded case circuit breaker is fixed to the outer wall of the wall, thereby achieving the effect of clamping and fixing the molded case circuit breaker.

[0018] 3. In the utility model, the sleeve drives the block to descend to the outer wall of the sliding block, the protective shell is pulled to drive the sleeve to rise and drive the block to rise, the block drives the sliding block to rise, and after the sliding block rises to a suitable position, the block slides to the outer wall of the fixed shaft and detaches, and finally the molded case circuit breaker is replaced, thereby achieving the effect of quickly replacing the protective shell and the molded case circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of an external module for a molded case circuit breaker proposed by the utility model;

[0020] Figure 2 This is a wall section view of an external module for a molded case circuit breaker proposed by the utility model;

[0021] Figure 3 This is a cross-sectional view of a sleeve of an external module for a molded case circuit breaker proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a slider of an external module for a molded case circuit breaker.

[0023] Legend:

[0024] 1. Wall; 2. Fixing groove; 3. Protective shell; 4. Fixing column; 5. Sliding block; 6. Isolation block; 7. Connecting shaft; 8. Fixing shaft; 9. Sleeve; 10. Sliding shaft; 11. Spring; 12. Block; 13. Sliding frame; 14. Sliding groove; 15. Sliding block; 16. Connecting block; 17. First linkage column; 18. Handle; 19. Second linkage column; 20. Fixing block; 21. Block; 22. Molded case circuit breaker. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-3The utility model provides an embodiment: an external module for a molded case circuit breaker, comprising a wall 1, a fixing groove 2 is opened inside the wall 1, a protective shell 3 is arranged on the outer wall of the wall 1, a fixing column 4 is fixedly connected to the inner wall of the wall 1, a sliding block 5 is fixedly connected to the outer wall of the fixing column 4, an isolation block 6 is fixedly connected to the outer wall of the sliding block 5, a connecting shaft 7 is slidably connected to the inner wall of the isolation block 6, the outer wall of the connecting shaft 7 is slidably connected to the inner wall of the sliding block 5, one end of the connecting shaft 7 is fixedly connected to one end of the fixing column 4, the outer wall of the connecting shaft 7 is fixedly connected to the fixing shaft 8, the outer wall of the protective shell 3 is fixedly connected to the sleeve 9, the inner wall of the sleeve 9 is slidably connected to the sliding shaft 10, a spring 11 is arranged inside the sleeve 9, and the outer wall of the sliding shaft 10 is fixedly connected to the block 12;

[0027] Specifically, the protective shell 3 is installed on the outer wall of the molded case circuit breaker 22, the sleeve 9 enters the interior of the fixed groove 2, the sleeve 9 slides to the interior of the fixed groove 2, the fixed shaft 8 enters the interior of the sleeve 9, the fixed shaft 8 squeezes the block 12 to make the block 12 slide, the block 12 drives the sliding shaft 10 to slide and compresses the spring 11, when the fixed shaft 8 reaches the appropriate position, the spring 11 rebounds, pushes the block 12 to slide and reset, the fixed shaft 8 clamps and fixes the block 12, so that the protective shell 3 can protect the molded case circuit breaker 22.

[0028] Reference Figure 4 The outer wall of the block 12 is slidably connected to the inner wall of the sleeve 9, and the outer wall of the wall 1 is fixedly connected to the sliding frame 13; the sliding frame 13 is provided with a sliding groove 14 inside, and a sliding assembly is arranged inside the sliding frame 13; the sliding assembly includes a slider 15, the outer wall of the slider 15 is slidably connected to the inner wall of the sliding frame 13, the outer wall of the slider 15 is slidably connected to the inside of the sliding groove 14, and the outer wall of the slider 15 is fixedly connected to a connecting block 16;

[0029] Specifically, the handle 18 is pulled, the handle 18 drives the first linkage column 17 to move, the first linkage column 17 drives the connecting block 16 to move, and the connecting block 16 drives the sliding block 15 to slide inside the sliding groove 14 .

[0030] Reference Figure 4 The inner wall of the connecting block 16 is rotatably connected to a first linkage column 17, and a handle 18 is fixedly connected to the outer wall of the first linkage column 17; the outer wall of the first linkage column 17 is rotatably connected to a second linkage column 19, and the outer wall of the wall 1 is fixedly connected to a fixing block 20; the inner wall of the second linkage column 19 is rotatably connected to the outer wall of the fixing block 20, and a clamping column 21 is fixedly connected to the inner wall of the second linkage column 19; a molded case circuit breaker 22 is provided on the outer wall of the clamping column 21;

[0031] Specifically, the first linkage column 17 pushes the second linkage column 19 to rotate, and when the second linkage column 19 rotates, it drives the clamping column 21 to descend, and after the clamping column 21 descends, it fixes the molded case circuit breaker 22.

[0032] Working principle: When the device is needed, first place the molded case circuit breaker 22 on the outer wall of the wall 1, then pull the handle 18, the handle 18 drives the first linkage column 17 to move, the first linkage column 17 drives the connecting block 16 fixedly connected to its outer wall to move, the connecting block 16 drives the slider 15 fixedly connected to its outer wall to slide, the slider 15 will slide inside the slide groove 14, when the first linkage column 17 moves, it will push the second linkage column 19 on its outer wall to rotate, when the inner wall of the second linkage column 19 is on the outer wall of the fixed block 20 When the wall rotates, the column 21 will be driven to descend. When the column 21 descends, the molded case circuit breaker 22 will be fixed to the outer wall of the wall 1, and then the protective shell 3 will be placed on the outer wall of the molded case circuit breaker 22. The sleeve 9 on the outer wall of the protective shell 3 will enter the interior of the fixed groove 2. When the sleeve 9 slides to the interior of the fixed groove 2, the fixed shaft 8 will slide into the interior of the sleeve 9. When the fixed shaft 8 slides to the interior of the sleeve 9, the fixed shaft 8 will squeeze the block 12 so that the block 12 slides on the inner wall of the sleeve 9. When the block 12 is inside the sleeve 9, When the wall slides, the sliding shaft 10 will slide on the inner wall of the sleeve 9 and compress the spring 11. When the fixed shaft 8 slides to a suitable position, the spring 11 rebounds. After the spring 11 rebounds, it pushes the block 12 to slide on the inner wall of the sleeve 9. When the block 12 is reset, the fixed shaft 8 will clamp and fix the block 12. When the molded case circuit breaker 22 needs to be replaced, the protective shell 3 is pressed to drive the sleeve 9 on its outer wall. When the sleeve 9 is lowered, the block 12 is lowered to the outer wall of the sliding block 5, and then the protective shell 3 is pulled to drive the sleeve 9 to move up. The sleeve 9 drives the block 12 on its inner wall to rise, the block 12 drives the sliding block 5 to slide and rise, the sliding block 5 drives the isolation block 6 to slide and rise on the outer wall of the connecting shaft 7, and when the sliding block 5 rises to a suitable position, the block 12 slides to the outer wall of the fixed shaft 8 and detaches, and finally the molded case circuit breaker 22 is replaced, so as to not only achieve the effect of protecting the molded case circuit breaker 22, but also achieve the effect of clamping and fixing the molded case circuit breaker 22, and finally achieve the effect of facilitating the replacement of the protective shell 3 and the molded case circuit breaker 22.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plug-in module for a molded case circuit breaker, comprising a wall (1), characterized in that: A fixing groove (2) is provided inside the wall (1); a protective shell (3) is provided on the outer wall of the wall (1); a fixing column (4) is fixedly connected to the inner wall of the wall (1); a sliding block (5) is fixedly connected to the outer wall of the fixing column (4); an isolation block (6) is fixedly connected to the outer wall of the sliding block (5); a connecting shaft (7) is slidably connected to the inner wall of the isolation block (6); an outer wall of the connecting shaft (7) is slidably connected to the inner wall of the sliding block (5); one end of the connecting shaft (7) is fixedly connected to one end of the fixing column (4); an outer wall of the connecting shaft (7) is fixedly connected to a fixing shaft (8); a sleeve (9) is fixedly connected to the outer wall of the protective shell (3); a sliding shaft (10) is slidably connected to the inner wall of the sleeve (9); a spring (11) is provided inside the sleeve (9); and a clamping block (12) is fixedly connected to the outer wall of the sliding shaft (10).

2. The plug-in module for a molded case circuit breaker according to claim 1, characterized in that: The outer wall of the clamping block (12) is slidably connected to the inner wall of the sleeve (9), and the outer wall of the wall (1) is fixedly connected to a sliding frame (13).

3. The plug-in module for a molded case circuit breaker according to claim 2, characterized in that: A sliding groove (14) is provided inside the sliding frame (13), and a sliding component is arranged inside the sliding frame (13).

4. The plug-in module for a molded case circuit breaker according to claim 3, characterized in that: The sliding assembly comprises a slider (15), the outer wall of the slider (15) is slidably connected to the inner wall of the sliding frame (13), the outer wall of the slider (15) is slidably connected to the inside of the sliding groove (14), and the outer wall of the slider (15) is fixedly connected to a connecting block (16).

5. The plug-in module for a molded case circuit breaker according to claim 4, characterized in that: The inner wall of the connection block (16) is rotatably connected to a first linkage column (17), and the outer wall of the first linkage column (17) is fixedly connected to a handle (18).

6. The plug-in module for a molded case circuit breaker according to claim 5, characterized in that: The outer wall of the first linkage column (17) is rotatably connected to the second linkage column (19), and the outer wall of the wall (1) is fixedly connected to a fixing block (20).

7. The plug-in module for a molded case circuit breaker according to claim 6, characterized in that: The inner wall of the second linkage column (19) is rotatably connected to the outer wall of the fixed block (20), and a clamping column (21) is fixedly connected to the inner wall of the second linkage column (19).

8. The plug-in module for a molded case circuit breaker according to claim 7, characterized in that: A molded case circuit breaker (22) is provided on the outer wall of the clamping column (21).

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