Combined miniature circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a combined miniature circuit breaker, which comprises an indicator, a mounting plate is abutted against the rear side of the indicator, fixing assemblies are arranged on the upper side and the lower side in the mounting plate, and a plurality of uniformly distributed shells are abutted against the front side of the mounting plate. Wherein one side of one shell abuts against one side of the indicator, a push handle is rotatably connected to the front side of the shell, a push rod is slidably connected to the interior of the shell, a fixing rod is slidably connected to one end of the push rod, and a first limiting block is fixedly connected to the end, away from the push rod, of the fixing rod. According to the utility model, the push rod is pushed to release the fixation of the two housings, the push rod is released to drive the second limiting block to reset through the first telescopic rod to fix the two housings, thereby providing higher flexibility, the second telescopic rod can drive the clamping plate to move, and the clamping plate can also release the fixation of the indicator through movement. Therefore, the device is convenient to mount, dismount and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a combined miniature circuit breaker. Background Art

[0002] Combined miniature circuit breaker is an electrical protection device used to detect and disconnect abnormal current or short circuit current in the circuit to protect electrical equipment and personnel safety. It is used in low-voltage circuits to protect the circuit from overload, short circuit and other faults.

[0003] The combined miniature circuit breaker includes an indicator, which is used to display the state of the circuit breaker, indicating whether it is in a working state or has been triggered. The combined miniature circuit breaker also includes a shell, which is the outer packaging of the circuit breaker, made of insulating material, and is used to protect internal components and provide external safety;

[0004] The existing miniature circuit breakers are of integrated design. When the circuit breakers are damaged, they need to be completely replaced. At the same time, the circuit breakers cannot be customized according to the requirements of different users or application scenarios, resulting in poor flexibility. Therefore, a combined miniature circuit breaker is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a combined miniature circuit breaker, aiming to improve the problem that the miniature circuit breakers in the prior art are of integrated design and all circuit breakers need to be replaced when they are damaged.

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

[0007] A combined miniature circuit breaker comprises an indicator, wherein a mounting plate is abutted against the rear side of the indicator, fixing components are arranged on the upper and lower sides of the mounting plate, a plurality of uniformly distributed shells are abutted against the front side of the mounting plate, one side of one of the shells abuts against one side of the indicator, a push handle is rotatably connected to the front side of the shell, a push rod is slidably connected to the inside of the shell, one end of the push rod is slidably connected to a fixing rod, one end of the fixing rod away from the push rod is fixedly connected to a limiting block 1, a telescopic rod 1 is fixedly connected to the front and rear sides of the shell, a telescopic end of the telescopic rod 1 is fixedly connected to a limiting block 2, and one side of the limiting block 2 abuts against one side of the limiting block 1;

[0008] As a further description of the above technical solution:

[0009] The two fixing components each include a telescopic rod 2, the two telescopic rods 2 are fixedly connected to the upper and lower sides of the interior of the mounting plate, the telescopic ends of the telescopic rods 2 are fixedly connected to a moving plate, the left and right ends of the moving plate are fixedly connected to moving blocks, the outer periphery of the moving block is slidably connected to a clamping plate, and the two clamping plates are abutted against the rear side of the indicator on one side facing each other;

[0010] As a further description of the above technical solution:

[0011] A slider is fixedly connected to the rear side of the clamping plate, and the outer periphery of the slider is slidably connected to the inside of the mounting plate;

[0012] As a further description of the above technical solution:

[0013] A non-slip pad is fixedly connected to one side of the clamping plate;

[0014] As a further description of the above technical solution:

[0015] The mounting plate is provided with a plurality of evenly distributed threaded holes;

[0016] As a further description of the above technical solution:

[0017] The material of the shell is plastic;

[0018] As a further description of the above technical solution:

[0019] The outer periphery of the fixing rod is fixedly connected to the limiting plate, and the outer periphery of the limiting plate is slidably connected to the inside of the push rod;

[0020] As a further description of the above technical solution:

[0021] A spring is fixedly connected to one side of the limit plate away from the limit block, one end of the spring away from the limit plate is fixedly connected to the inside of the push rod, and the spring is sleeved on the outer periphery of the fixed rod.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the limit block 2 can be driven to move by pushing the push rod, and the limit block 2 can release the fixation between the two shells by moving. After loosening the push rod, the limit block 2 can be reset by the telescopic rod 1. The limit block 2 can fix the two shells by resetting and cooperating with the limit block 1. The modular miniature circuit breaker can provide higher flexibility, reliability and maintainability, and is suitable for the needs of various electrical systems.

[0024] 2. In the utility model, the mobile plate can be driven to move by the telescopic rod 2, the mobile plate can drive the mobile block to move by moving, the mobile block can drive the clamping plate to move by moving, the clamping plate can fix the indicator by moving, and the clamping plate can also release the indicator by moving, so that it can be quickly installed and disassembled, and it is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a combined miniature circuit breaker proposed by the utility model;

[0026] Figure 2 A schematic diagram of the structure of a housing of a combined miniature circuit breaker proposed by the utility model;

[0027] Figure 3 A schematic diagram of the structure of a telescopic rod 1 of a combined miniature circuit breaker proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a mounting plate of a combined miniature circuit breaker proposed by the utility model;

[0029] Figure 5 A schematic diagram of the structure of a telescopic rod 2 of a combined miniature circuit breaker proposed by the utility model;

[0030] Figure 6 A schematic diagram of the structure of a clamping plate of a combined miniature circuit breaker proposed by the utility model;

[0031] Figure 7 The utility model is a schematic structural diagram of a push rod of a combined miniature circuit breaker.

[0032] Legend:

[0033] 1. Indicator; 2. Housing; 3. Push handle; 4. Mounting plate; 5. Push rod; 6. Fixed rod; 7. Limit block 1; 8. Limit block 2; 9. Telescopic rod 1; 10. Telescopic rod 2; 11. Moving plate; 12. Moving block; 13. Clamp; 14. Slider; 15. Anti-slip pad; 16. Threaded hole; 17. Limit plate; 18. Spring. DETAILED DESCRIPTION

[0034] 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.

[0035] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a combined miniature circuit breaker, including an indicator 1, a mounting plate 4 is abutted on the rear side of the indicator 1, a plurality of evenly distributed shells 2 are abutted on the front side of the mounting plate 4, one side of one shell 2 abuts on one side of the indicator 1, a push handle 3 is rotatably connected to the front side of the shell 2, a push rod 5 is slidably connected inside the shell 2, a fixed rod 6 is slidably connected to one end of the push rod 5, an end of the fixed rod 6 away from the push rod 5 is fixedly connected to a limiting block 7, a telescopic rod 9 is fixedly connected to both the front and rear sides of the shell 2, a telescopic end of the telescopic rod 9 is fixedly connected to a limiting block 8, and one side of the limiting block 8 abuts on one side of the limiting block 7. The indicator 1 is used to display the status of the circuit breaker, the housing 2 is used to protect the internal components and provide external safety, the push handle 3 is used to manually trigger the circuit breaker, the mounting plate 4 is used to fix the indicator 1, the push rod 5 can drive the limit block 2 8 to move by moving, the fixing rod 6 is used to fix the limit block 1 7, the limit block 1 7 is used to fix the indicator 1, the limit block 2 8 is used to fix the indicator 1, and the telescopic rod 1 9 is used to fix the limit block 2 8.

[0036] Reference Figure 4 - Figure 6 The mounting plate 4 is provided with fixing components on both upper and lower sides. Both fixing components include telescopic rods 10. The two telescopic rods 10 are fixedly connected to the upper and lower sides of the mounting plate 4. The telescopic ends of the telescopic rods 10 are fixedly connected to the moving plate 11. The moving blocks 12 are fixedly connected to the left and right ends of the moving plate 11. The outer periphery of the moving block 12 is slidably connected to the clamping plates 13. The two clamping plates 13 are in contact with the rear side of the indicator 1 on one side. The telescopic rods 10 are used to drive the moving plate 11 to move. The moving plate 11 can drive the moving block 12 to move by moving. The moving block 12 can drive the clamping plates 13 to move by moving. The clamping plates 13 can fix the indicator 1 by moving.

[0037] Reference Figure 4 , Figure 6 and Figure 7The rear side of the clamping plate 13 is fixedly connected with a slider 14, the outer periphery of the slider 14 is slidably connected to the inside of the mounting plate 4, one side of the clamping plate 13 is fixedly connected with an anti-skid pad 15, and the mounting plate 4 is provided with a plurality of evenly distributed threaded holes 16. The material of the housing 2 is plastic, the outer periphery of the fixing rod 6 is fixedly connected with a limiting plate 17, the outer periphery of the limiting plate 17 is slidably connected to the inside of the push rod 5, the side of the limiting plate 17 away from the limiting block 7 is fixedly connected with a spring 18, the end of the spring 18 away from the limiting plate 17 is fixedly connected to the inside of the push rod 5, and the spring 18 is sleeved on the outer periphery of the fixing rod 6. The slider 14 can make the clamping plate 13 more stable during the movement, the anti-skid pad 15 can strengthen the fixing of the clamping plate 13 to the indicator 1, the threaded hole 16 is used to install the mounting plate 4, the limiting plate 17 plays a role in preventing the fixing rod 6 from falling off from the inside of the push rod 5, and the spring 18 can drive the push rod 5 to reset through elastic force. The plastic material of the housing 2 is not only light but also has good insulation performance.

[0038] Working principle: the mounting plate 4 can be mounted on the wall through the threaded hole 16, and the indicator 1 can be placed on the front side of the mounting plate 4, and the movable plate 11 can be moved by the telescopic rod 2 10, and the movable plate 11 can drive the movable block 12 to move by moving, and the movable block 12 can drive the clamping plate 13 to move by moving, and the clamping plate 13 can fix the indicator 1 by moving, and the clamping plate 13 can also release the fixation of the indicator 1 by moving, so that it can be quickly installed and disassembled, and it is convenient for maintenance, and the limit block 2 8 can be driven to move by pushing the push rod 5, and the limit block 2 8 can release the fixation between the two shells 2 by moving, and after the push rod 5 is released, the limit block 2 8 can be reset by the telescopic rod 1 9, and the limit block 2 8 can fix the two shells 2 by resetting and cooperating with the limit block 1 7. The modular miniature circuit breaker can provide higher flexibility, reliability and maintainability by adopting a modular design, and is suitable for the needs of various electrical systems. When it is necessary to cut off the power, it can be manually cut off by pushing the push handle 3, so as to protect personnel safety, prevent fire and equipment damage, save energy and promote electrical safety.

[0039] 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 combined miniature circuit breaker, comprising an indicator (1), characterized in that: The indicator (1) is abutted against a mounting plate (4) at the rear side, and fixing components are arranged on both the upper and lower sides of the mounting plate (4). The mounting plate (4) is abutted against a plurality of uniformly distributed shells (2) at the front side, and one side of one of the shells (2) abuts against one side of the indicator (1). The front side of the shell (2) is rotatably connected to a push handle (3), and the shell (2) is slidably connected to a push rod (5), and one end of the push rod (5) is slidably connected to a fixing rod (6), and one end of the fixing rod (6) away from the push rod (5) is fixedly connected to a limiting block (7), and a telescopic rod (9) is fixedly connected to both the front and rear sides of the shell (2), and the telescopic end of the telescopic rod (9) is fixedly connected to a limiting block (8), and one side of the limiting block (8) abuts against one side of the limiting block (7).

2. A combined miniature circuit breaker according to claim 1, characterized in that: The two fixing assemblies each comprise a telescopic rod (10), the two telescopic rods (10) being fixedly connected to the upper and lower sides of the interior of the mounting plate (4), the telescopic ends of the telescopic rods (10) being fixedly connected to a moving plate (11), the left and right ends of the moving plate (11) being fixedly connected to moving blocks (12), the outer periphery of the moving block (12) being slidably connected to a clamping plate (13), and the two clamping plates (13) being in contact with each other on the rear side of the indicator (1).

3. A combined miniature circuit breaker according to claim 2, characterized in that: A slider (14) is fixedly connected to the rear side of the clamping plate (13), and the outer periphery of the slider (14) is slidably connected to the inside of the mounting plate (4).

4. A combined miniature circuit breaker according to claim 2, characterized in that: An anti-slip pad (15) is fixedly connected to one side of the clamping plate (13).

5. The combined miniature circuit breaker according to claim 1, characterized in that: The mounting plate (4) is provided with a plurality of evenly distributed threaded holes (16) inside.

6. The combined miniature circuit breaker according to claim 1, characterized in that: The material of the shell (2) is plastic.

7. The combined miniature circuit breaker according to claim 1, characterized in that: The outer periphery of the fixed rod (6) is fixedly connected to a limiting plate (17), and the outer periphery of the limiting plate (17) is slidably connected to the inside of the push rod (5).

8. A combined miniature circuit breaker according to claim 7, characterized in that: A spring (18) is fixedly connected to the side of the limit plate (17) away from the limit block (7); one end of the spring (18) away from the limit plate (17) is fixedly connected to the inside of the push rod (5); and the spring (18) is sleeved on the outer periphery of the fixed rod (6).

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