Miniature circuit breaker module

Abstract

The utility model relates to the technical field of circuit breaker modules, in particular to a miniature circuit breaker module, which comprises a circuit breaker main body, the right side of the circuit breaker main body is fixedly connected with a shell through a screw, two circuit breaker module main bodies are fixedly arranged in the circuit breaker main body, and the left sides of the two circuit breaker module main bodies are connected with two positioning insertion blocks. According to the utility model, the circuit breaker module can be firmly clamped and fixed by using the positioning insertion block, the L-shaped buckles and the clamping block, the stability of the circuit breaker module during installation is improved, the circuit breaker module is prevented from being easy to loosen and fall off, and the circuit breaker is assembled in a modularized manner, so that the circuit breaker is convenient to assemble and disassemble, and the service life of the circuit breaker is prolonged. The circuit breaker module can be conveniently and reliably used, the installation efficiency is improved, the two elastic telescopic plates can be driven to support and fix the circuit breaker module again through the installation of the shell, and the assembly of the circuit breaker module is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker modules, in particular to a small circuit breaker module. Background Art

[0002] The main function of the circuit breaker module is to automatically cut off the circuit when a circuit fault occurs to protect the safety of other equipment and circuits, effectively improving the safety and reliability of the power system.

[0003] The prior art discloses patent application number "CN201821869683.4", a plug-in switch module for a small circuit breaker, including an insulating shell, an input power board, an output power board, and an opening and closing operating mechanism for opening and closing the circuit between the input power board and the output power board. The input power board and the output power board used have good conductivity and temperature rise control performance. At the same time, due to the two welding tail plate parts, the welding area is effectively increased, thereby improving the welding performance.

[0004] The switch module can only be plugged and unplugged conveniently, and in actual use, the switch module can only be simply plugged and unplugged and fixed. Such a circuit breaker module cannot be installed stably and is easy to loosen and fall off, causing the circuit breaker to malfunction and have poor stability. At the same time, modular assembly cannot be achieved, thereby affecting the installation efficiency of the circuit breaker module and being inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a small circuit breaker module to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A small circuit breaker module comprises a circuit breaker body, the right side of the circuit breaker body is fixedly connected with a shell by screws, two circuit breaker module bodies are fixedly arranged inside the circuit breaker body, two positioning plugs are connected to the left sides of the two circuit breaker module bodies, and two first L-shaped buckles and second L-shaped buckles are respectively installed inside the circuit breaker body;

[0008] Mounting plates are installed at both ends of the two circuit breaker module bodies, mounting seats are fixedly connected on both sides of the two circuit breaker module bodies, two connecting plates are fixedly installed inside the circuit breaker body, round rods are connected to the inner sides of the two connecting plates, and the outer surfaces of the round rods are slidably connected to two sliding frames, two card blocks are installed on the inner sides of the two sliding frames, and a No. 1 connecting spring is fixedly connected between the two sliding frames.

[0009] Preferably, a U-shaped plate is fixedly installed on the left side of the shell, and a telescopic plate is slidably connected to the left side of the U-shaped plate, and one side of the telescopic plate passes through the U-shaped plate and extends to the right side of the U-shaped plate.

[0010] Preferably, two protrusions are installed on the left side of the telescopic plate, the protrusions are used to support the circuit breaker module body, and a second connecting spring is connected in an array between the telescopic plate and the U-shaped plate.

[0011] Preferably, four embedding grooves are provided inside the circuit breaker body, the embedding grooves are matched with the positioning plug-in blocks, and the left side of the positioning plug-in block is slidably engaged with the inside of the circuit breaker body through the embedding grooves.

[0012] Preferably, the inside of each of the four mounting plates is provided with a through slot, which is compatible with the first L-shaped buckle and the second L-shaped buckle, and the right sides of the first L-shaped buckle and the second L-shaped buckle are connected to the inside of the mounting plate through the slot.

[0013] Preferably, one side of each of the four mounting seats is provided with a groove, the groove is adapted to the clamping block, and the inner side surface of the clamping block is clamped with one side of the mounting seat through the groove.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can firmly clamp and fix the circuit breaker module by using the positioning plug, L-shaped buckle and clamp block, thereby improving the stability of the circuit breaker module during installation and preventing the circuit breaker module from loosening and falling off. At the same time, the circuit breaker adopts modular assembly to ensure the safe and reliable use of the entire circuit breaker module, thereby improving the installation efficiency of the small circuit breaker module;

[0016] 2. The installation of the shell of the utility model will also drive the telescopic plate installed with the second connecting spring to approach the two circuit breaker module bodies, and then the two telescopic plates with elastic force can support and fix the circuit breaker modules again, making the assembly of the circuit breaker modules safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Installation diagram of the circuit breaker body and the circuit breaker module body;

[0020] Figure 3 This utility model Figure 2 A schematic diagram of the structure of the first L-shaped buckle and the second L-shaped buckle;

[0021] Figure 4 This utility model Figure 2 Installation diagram of the circuit breaker module body and positioning plug-in block;

[0022] Figure 5 This utility model Figure 1 A schematic diagram of the structure of the middle shell;

[0023] The reference numerals in the figures are as follows:

[0024] 1. Circuit breaker body; 2. Shell; 3. Circuit breaker module body; 4. Positioning plug; 5. First L-shaped buckle; 6. Mounting plate; 7. Mounting seat; 8. Connecting plate; 9. Round rod; 10. Sliding frame; 11. Second L-shaped buckle; 12. Block; 13. No. 1 connecting spring; 14. U-shaped plate; 15. Telescopic plate; 16. Bump; 17. No. 2 connecting spring; 111. Slot; 222. Embedded slot; 333. Recess. 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 of 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] like Figures 1 to 5 As shown, a miniature circuit breaker module comprises a circuit breaker body 1, the right side of the circuit breaker body 1 is fixedly connected with a housing 2 by screws, two circuit breaker module bodies 3 are fixedly arranged inside the circuit breaker body 1, and two positioning plugs 4 are connected to the left sides of the two circuit breaker module bodies 3. Through the arrangement of the positioning plugs 4, the circuit breaker modules can be preliminarily fixed by using the two positioning plugs 4, which is convenient to use, and two first L-shaped buckles 5 and second L-shaped buckles 11 are respectively installed inside the circuit breaker body 1;

[0027] Both ends of the two circuit breaker module bodies 3 are installed with mounting plates 6, and the two L-shaped buckles are elastic members, so that the L-shaped buckles can be clamped and limited to the inside of the mounting plate 6 to locate the position of the circuit breaker module. Both sides of the two circuit breaker module bodies 3 are fixedly connected with mounting seats 7. Two connecting plates 8 are fixedly installed inside the circuit breaker body 1, and the inner sides of the two connecting plates 8 are connected with round rods 9. The outer surfaces of the round rods 9 are slidably connected to two sliding frames 10. Two card blocks 12 are installed on the inner sides of the two sliding frames 10. A No. 1 connecting spring 13 is fixedly connected between the two sliding frames 10. Through the setting of the sliding frames 10, as long as the two sliding frames 10 with elastic force are moved, the card block 12 can be moved away from the mounting seat 7 so as to release the fixation of the circuit breaker module, which is convenient to use.

[0028] A U-shaped plate 14 is fixedly mounted on the left side of the housing 2 , and a telescopic plate 15 is slidably connected to the left side of the U-shaped plate 14 . One side of the telescopic plate 15 passes through the U-shaped plate 14 and extends to the right side of the U-shaped plate 14 .

[0029] Two protrusions 16 are installed on the left side of the telescopic plate 15 , and the protrusions 16 are used to support the circuit breaker module body 3 . A second connecting spring 17 is connected in an array between the telescopic plate 15 and the U-shaped plate 14 .

[0030] Four embedding grooves 222 are provided inside the circuit breaker body 1 , and the embedding grooves 222 are matched with the positioning plug block 4 . The left side of the positioning plug block 4 is slidably engaged with the inside of the circuit breaker body 1 through the embedding grooves 222 .

[0031] The four mounting plates 6 are each provided with a through slot 111 which matches with the first L-shaped buckle 5 and the second L-shaped buckle 11 . The right sides of the first L-shaped buckle 5 and the second L-shaped buckle 11 are connected with the inside of the mounting plate 6 through the slot 111 .

[0032] One side of the four mounting seats 7 is provided with a groove 333 , the groove 333 is adapted to the clamping block 12 , and the inner side surface of the clamping block 12 is clamped with one side of the mounting seat 7 through the groove 333 .

[0033] The working principle of a small circuit breaker module provided by the utility model is as follows:

[0034] By pushing the two sliding frames 10 installed with the No. 1 connecting spring 13 respectively to move on the round rod 9, the two sliding frames 10 can move relatively. At this time, the positioning plug 4 at the circuit breaker module body 3 is first clamped into the embedding groove 222 of the circuit breaker body 1, and then the two sliding frames 10 with elastic force are released, so that the clamping blocks 12 at the two sliding frames 10 can be automatically clamped into the groove 333 of the mounting seat 7 to clamp and fix the two circuit breaker module bodies 3. Then, as the circuit breaker module body 3 is installed, the two mounting plates 6 at the circuit breaker module body 3 can also be inserted into the first L-shaped buckle 5 and the second L-shaped buckle 11 respectively, so that the two L-shaped buckles can limit and fix the circuit breaker module, improve the stability of the circuit breaker module during installation, and prevent the circuit breaker module from being easily loosened and falling off. At the same time, the circuit breaker adopts modular assembly, so that the entire circuit breaker module can be used safely and reliably, and the installation efficiency of the small circuit breaker module is improved;

[0035] By installing the shell 2 at the circuit breaker body 1, the shell 2 will drive the telescopic plate 15 equipped with the second connecting spring 17 to approach the two circuit breaker module bodies 3, and then the two telescopic plates 15 with elastic force can support and fix the circuit breaker module again, making the assembly of the circuit breaker module safer and more reliable.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A miniature circuit breaker module, comprising a circuit breaker body (1), characterized in that: The right side of the circuit breaker body (1) is fixedly connected to a housing (2) by means of screws, two circuit breaker module bodies (3) are fixedly arranged inside the circuit breaker body (1), two positioning plugs (4) are connected to the left sides of the two circuit breaker module bodies (3), and two first L-shaped buckles (5) and a second L-shaped buckle (11) are respectively installed inside the circuit breaker body (1); Both ends of the two circuit breaker module bodies (3) are equipped with mounting plates (6), both sides of the two circuit breaker module bodies (3) are fixedly connected with mounting seats (7), two connecting plates (8) are fixedly installed inside the circuit breaker body (1), the inner sides of the two connecting plates (8) are connected with round rods (9), the outer surfaces of the round rods (9) are slidably connected with two sliding frames (10), the inner sides of the two sliding frames (10) are equipped with two clamping blocks (12), and a No. 1 connecting spring (13) is fixedly connected between the two sliding frames (10).

2. A miniature circuit breaker module according to claim 1, characterized in that: A U-shaped plate (14) is fixedly mounted on the left side of the shell (2), a telescopic plate (15) is slidably connected to the left side of the U-shaped plate (14), and one side of the telescopic plate (15) passes through the U-shaped plate (14) and extends to the right side of the U-shaped plate (14).

3. A miniature circuit breaker module according to claim 2, characterized in that: Two protrusions (16) are installed on the left side of the telescopic plate (15), and the protrusions (16) are used to support the circuit breaker module body (3). A second connection spring (17) is connected in an array between the telescopic plate (15) and the U-shaped plate (14).

4. A miniature circuit breaker module according to claim 1, characterized in that: Four embedding grooves (222) are provided inside the circuit breaker body (1), the embedding grooves (222) are matched with the positioning plug-in block (4), and the left side of the positioning plug-in block (4) is slidably engaged with the inside of the circuit breaker body (1) through the embedding grooves (222).

5. A miniature circuit breaker module according to claim 1, characterized in that: A through-going slot (111) is provided inside each of the four mounting plates (6), and the slot (111) is adapted to the first L-shaped clip (5) and the second L-shaped clip (11), and the right sides of the first L-shaped clip (5) and the second L-shaped clip (11) are snap-connected to the inside of the mounting plate (6) through the slot (111).

6. A miniature circuit breaker module according to claim 1, characterized in that: One side of each of the four mounting seats (7) is provided with a groove (333), the groove (333) is adapted to the clamping block (12), and the inner side surface of the clamping block (12) is clamped with one side of the mounting seat (7) via the groove (333).

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