Mounting structure of electronic molded case circuit breaker

Abstract

The utility model discloses a mounting structure of an electronic molded case circuit breaker, which comprises a molded case circuit breaker, the back of the molded case circuit breaker is fixedly connected with a limiting block, one end of the limiting block is movably connected with a mounting plate, two sides of the mounting plate are fixedly connected with two positioning plates, the four positioning plates are provided with positioning holes, and the positioning holes are communicated with the limiting block. The inner wall of the mounting plate is fixedly connected with two groups of connecting springs, one end of each of the two groups of connecting springs is fixedly connected with a group of extrusion rods, one end of each of the two groups of extrusion rods is fixedly connected with an extrusion plate, and the molded case circuit breaker is located between the two extrusion plates; one side of the mounting plate is provided with four fixing devices used for quickly mounting or dismounting the molded case circuit breaker, and the mounting structure of the electronic molded case circuit breaker solves the problems that a traditional mounting structure of the electronic molded case circuit breaker is relatively tedious in the mounting process, and the mounting efficiency is high. And therefore, the problem that long time needs to be consumed for installation is solved, and the installation efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic moulded case circuit breaker technical field, concretely is a kind of installation structure of electronic moulded case circuit breaker. BACKGROUND

[0002] In power system, electronic moulded case circuit breaker is widely used in various electrical equipment and circuit as important protection equipment, for cutting off circuit under the abnormal condition such as current overload, short circuit, to protect the safety of circuit and equipment. However, in the installation structure of traditional electronic moulded case circuit breaker, the installation process is relatively cumbersome, becomes the important factor of influencing installation efficiency and convenience.

[0003] Traditional installation structure usually needs to be connected and fixed by bolt, nut and other fasteners. In the installation process, workers need to align and fix each component one by one, which not only increases the complexity of installation, but also leads to the extension of installation time. Especially in some emergency situations, when circuit breaker needs to be installed or replaced quickly, the cumbersome installation process may become the bottleneck of work efficiency, reducing installation efficiency. SUMMARY

[0004] The utility model aims at providing a kind of installation structure of electronic moulded case circuit breaker to solve the problem of electronic moulded case circuit breaker proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of installation structure of electronic moulded case circuit breaker, including plastic shell circuit breaker, the back of the plastic shell circuit breaker is fixedly connected with limiting block, one end of limiting block is movably connected with mounting plate, both sides of mounting plate are fixedly connected with two positioning plates, four positioning plates are all provided with positioning hole, the inner wall of mounting plate is fixedly connected with two groups of connecting springs, one end of two groups of connecting springs is fixedly connected with a group of extrusion rod, one end of two groups of extrusion rod is fixedly connected with one extrusion plate, and plastic shell circuit breaker is located between two extrusion plates, one side of mounting plate is provided with four fixed devices for the quick installation or disassembly of plastic shell circuit breaker.

[0006] Preferably, the mounting plate is U-shaped, and a limiting groove is formed in the bottom of the mounting plate, and a group of movable grooves are formed in the two sides of the mounting plate, one end of the two groups of connecting springs is fixedly connected to the inner walls of the two groups of movable grooves, and one end of the two groups of extrusion rods is slidably connected to the interiors of the two groups of movable grooves.

[0007] Preferably, the limiting block is bone-shaped, and the limiting block is composed of a limiting block and an adhesive layer, one side of the limiting block is fixedly connected with the adhesive layer, one end of the limiting block is movably connected to the interior of the limiting groove formed in the mounting plate, and one side of the adhesive layer is fixedly connected to the back of the plastic shell circuit breaker by adhesive.

[0008] Preferably, one end of each of the two extrusion plates is beveled, and both extrusion plates are made of rubber material, and the molded case circuit breaker is movably connected between the two extrusion plates.

[0009] Preferably, each of the four fixing devices comprises a fixing tube, a threaded rod, a rotating block, a return spring, a nut handle, a connecting rod, a round rod, and a rubber block, one side of the mounting plate is fixedly connected with the fixing tube, the inner wall center of the fixing tube is fixedly connected with the threaded rod, one end of the fixing tube is slidably connected with the rotating block, one end of the rotating block is movably connected with the return spring, the other end of the rotating block is fixedly connected with the connecting rod, the bottom of the connecting rod is fixedly connected with the round rod, the bottom end of the round rod is fixedly connected with the rubber block, and one end of the threaded rod is threadedly connected with the nut handle.

[0010] Preferably, one end of the threaded rod penetrates through the rotating block and is threadedly connected with the nut handle, and the outer surface of the rotating block is movably connected with the outer surface of the threaded rod.

[0011] Preferably, the rubber block is conical, the thicker end of the rubber block is fixedly connected to the bottom end of the round rod, and the thinner end of the rubber block is movably connected to one side of the molded case circuit breaker.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The two groups of connecting springs and extrusion rods are arranged, and the limiting block is movably connected in the limiting groove in the mounting plate, so that the stability of the molded case circuit breaker in the mounting plate is ensured. The multiple fixing mechanism effectively prevents the circuit breaker from sliding or falling during work, and enhances the safety and reliability of the equipment.

[0014] 2. The fixing device adopts threaded rods, rotating blocks, return springs and other components, so that the rubber block can flexibly extrude and fix the circuit breaker. By rotating the nut handle, the fastening degree of the fixing device can be conveniently adjusted, so as to adapt to circuit breakers of different sizes or weights, and the universality and efficiency of installation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall view of the utility model;

[0016] Figure 2 It is the limiting block structure view of the utility model;

[0017] Figure 3 It is the cross section schematic view of the mounting plate of the utility model;

[0018] Figure 4 It is the fixing device structure schematic view of the utility model.

[0019] In the figure: 1, molded case circuit breaker; 2, mounting plate; 3, positioning plate; 4, positioning hole; 5, limiting block; 6, connecting spring; 7, extrusion rod; 8, extrusion plate; 9, fixed tube; 10, threaded rod; 11, rotating block; 12, return spring; 13, nut handle; 14, connecting rod; 15, round rod; 16, rubber block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of installation structure of electronic molded case circuit breaker, including molded case circuit breaker 1, the back of molded case circuit breaker 1 is fixedly connected with limiting block 5, one end of limiting block 5 is movably connected with mounting plate 2, the two sides of mounting plate 2 are fixedly connected with two positioning plates 3, and four positioning plates 3 are all provided with positioning hole 4, the inner wall of mounting plate 2 is fixedly connected with two groups of connecting springs 6, one end of two groups of connecting springs 6 is fixedly connected with a group of extrusion rods 7, one end of two groups of extrusion rods 7 is fixedly connected with an extrusion plate 8, and molded case circuit breaker 1 is located between two extrusion plates 8, and one side of mounting plate 2 is provided with four fixing devices for the quick installation or disassembly of molded case circuit breaker 1.

[0022] Further, mounting plate 2 is U-shaped, and a limiting groove is formed in the bottom of mounting plate 2, and a group of movable grooves are formed in the two sides of mounting plate 2, one end of two groups of connecting springs 6 is fixedly connected to the inner wall of two groups of movable grooves, and one end of two groups of extrusion rods 7 is slidably connected to the inside of two groups of movable grooves.

[0023] Further, limiting block 5 is bone-shaped, and limiting block 5 is composed of a limiting block and an adhesive layer, one side of limiting block is fixedly connected with adhesive layer, one end of limiting block is movably connected to the inside of limiting groove formed in mounting plate 2, and one side of adhesive layer is fixedly connected to the back of molded case circuit breaker 1 by adhesive.

[0024] Further, one end of two extrusion plates 8 is beveled, and two extrusion plates 8 are made of rubber material, and molded case circuit breaker 1 is movably connected between two extrusion plates 8.

[0025] Further, the four fixing devices each comprise a fixing tube 9, a threaded rod 10, a rotating block 11, a reset spring 12, a nut handle 13, a connecting rod 14, a round rod 15 and a rubber block 16, one side of the mounting plate 2 is fixedly connected with the fixing tube 9, the inner wall center of the fixing tube 9 is fixedly connected with the threaded rod 10, one end of the fixing tube 9 is slidably connected with the rotating block 11, one end of the rotating block 11 is movably connected with the reset spring 12, the other end of the rotating block 11 is fixedly connected with the connecting rod 14, the bottom of the connecting rod 14 is fixedly connected with the round rod 15, the bottom end of the round rod 15 is fixedly connected with the rubber block 16, one end of the threaded rod 10 is threadedly connected with the nut handle 13.

[0026] Further, one end of the threaded rod 10 penetrates through the rotating block 11 and is threadedly connected with the nut handle 13, and the outer surface of the rotating block 11 and the outer surface of the threaded rod 10 are movably connected together.

[0027] Further, the rubber block 16 is conical, the thicker end of the rubber block 16 is fixedly connected on the bottom end of the round rod 15, and the thinner end of the rubber block 16 is movably connected on one side of the molded case circuit breaker 1.

[0028] The application embodiment in use: when using the circuit breaker, first, place the mounting plate 2 on the positioning plate 3 in a suitable position, then install the mounting plate 2 on the suitable position by using the screws through the positioning holes 4, then fix the limiting block 5 on the back of the plastic shell circuit breaker 1 through the adhesive layer of the limiting block 5, then place the plastic shell circuit breaker 1 between the two extrusion plates 8, use the inclined end of the two extrusion plates 8 to better push the plastic shell circuit breaker 1 into the two extrusion plates 8, then the two extrusion plates 8 extrude the plastic shell circuit breaker 1 under the action of the two groups of extrusion rods 7 and the two groups of connecting springs 6, at the same time, the limiting block 5 behind the plastic shell circuit breaker 1 enters the inside of the limiting groove opened in the inner wall of the mounting plate 2, thereby preventing the plastic shell circuit breaker 1 from sliding, then the extrusion and clamping of the two extrusion plates 8 on the plastic shell circuit breaker 1 makes it stable in the inside of the mounting plate 2, then rotate the rotating block 11, because one end of the reset spring 12 is fixedly connected to the inner wall of the fixed tube 9, and the other end of the reset spring 12 is not connected with one end of the rotating block 11, so that the rotating block 11 can rotate in the inside of the fixed tube 9, then rotate the connecting rod 14 by the rotating block 11, so that the connecting rod 14 drives the rubber block 16 to rotate to one side of the plastic shell circuit breaker 1 through the round rod 15, then rotate the nut handle 13, use the threaded connection between the nut handle 13 and the threaded rod 10 to extrude the nut handle 13 on the rotating block 11, so that one end of the rubber block 16 extrudes the plastic shell circuit breaker 1, similarly, fix the other three fixing devices according to the above operation, so as to fix the plastic shell circuit breaker 1 in the inside of the mounting plate 2, prevent the plastic shell circuit breaker 1 from falling, and when it is necessary to replace or disassemble the plastic shell circuit breaker 1, only need to rotate the nut handle 13 to release the extrusion of the fixing device on the plastic shell circuit breaker 1, then pull out the plastic shell circuit breaker 1 from between the two extrusion plates 8.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An installation structure of an electronic molded case circuit breaker, comprising a molded case circuit breaker (1), characterized by: The back of the molded case circuit breaker (1) is fixedly connected with a limiting block (5), one end of the limiting block (5) is movably connected with a mounting plate (2), both sides of the mounting plate (2) are fixedly connected with two positioning plates (3), four positioning plates (3) are provided with positioning holes (4), the inner wall of the mounting plate (2) is fixedly connected with two groups of connecting springs (6), one end of the two groups of connecting springs (6) is fixedly connected with a group of extrusion rods (7), one end of the two groups of extrusion rods (7) is fixedly connected with an extrusion plate (8), and the molded case circuit breaker (1) is located between the two extrusion plates (8), and one side of the mounting plate (2) is provided with four fixing devices for quickly installing or dismounting the molded case circuit breaker (1).

2. The mounting structure of an electronic molded case circuit breaker according to claim 1, wherein: The mounting plate (2) is U-shaped, a limiting groove is formed in the bottom of the mounting plate (2), and a group of movable grooves are formed in the inner sides of the mounting plate (2), one end of the two groups of connecting springs (6) is fixedly connected to the inner walls of the two groups of movable grooves, and one end of the two groups of extrusion rods (7) is slidably connected to the interiors of the two groups of movable grooves.

3. The mounting structure of an electronic molded case circuit breaker according to claim 2, wherein: The limiting block (5) is bone-shaped, and the limiting block (5) is composed of a limiting block and a glue layer, one side of the limiting block is fixedly connected with the glue layer, one end of the limiting block is movably connected in the limiting groove of the mounting plate (2), and one side of the glue layer is fixedly connected to the back of the molded case circuit breaker (1) by glue.

4. The mounting structure of an electronic molded case circuit breaker according to claim 1, wherein: One end of each of the two extrusion plates (8) is beveled, the two extrusion plates (8) are made of rubber material, and the molded case circuit breaker (1) is movably connected between the two extrusion plates (8).

5. The mounting structure of an electronic molded case circuit breaker according to claim 2, wherein: Each of the four fixing devices comprises a fixed tube (9), a threaded rod (10), a rotating block (11), a return spring (12), a nut handle (13), a connecting rod (14), a round rod (15), and a rubber block (16), one side of the mounting plate (2) is fixedly connected with the fixed tube (9), the inner wall center of the fixed tube (9) is fixedly connected with the threaded rod (10), one end of the fixed tube (9) is slidably connected with the rotating block (11), one end of the rotating block (11) is movably connected with the return spring (12), the other end of the rotating block (11) is fixedly connected with the connecting rod (14), the bottom of the connecting rod (14) is fixedly connected with the round rod (15), the bottom end of the round rod (15) is fixedly connected with the rubber block (16), and one end of the threaded rod (10) is threadedly connected with the nut handle (13).

6. The mounting structure of an electronic molded case circuit breaker according to claim 5, wherein: One end of the threaded rod (10) penetrates the rotating block (11) and is threadedly connected with the nut handle (13), and the outer surface of the rotating block (11) and the outer surface of the threaded rod (10) are movably connected together.

7. The mounting structure of an electronic molded case circuit breaker according to claim 5, wherein: The rubber block (16) is conical, the thicker end of the rubber block (16) is fixedly connected to the bottom end of the round rod (15), and the thinner end of the rubber block (16) is movably connected to one side of the molded case circuit breaker (1).

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