Insulating wear-resistant circuit breaker shell

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an insulating wear-resistant circuit breaker shell which comprises a main circuit breaker shell and an auxiliary circuit breaker shell, an assembling mechanism is arranged on one side of the main circuit breaker shell and the auxiliary circuit breaker shell, and the assembling mechanism comprises a first containing cavity formed in one side of the main circuit breaker shell. The bottom wall of the first storage cavity is rotationally connected with a first assembly plate, an installation connecting part is arranged above the first assembly plate and fixedly connected to the side, close to the main circuit breaker shell, of the auxiliary circuit breaker shell, and a second storage cavity is formed in the side, away from the main circuit breaker shell, of the auxiliary circuit breaker shell. According to the utility model, through the cooperation of the main circuit breaker housing and the assembling mechanism, after the first assembling plate is put down, through the cooperation of the first assembling plate and the installation connecting part, the bolts pass through the threaded holes, so that the main circuit breaker housing is connected with the auxiliary circuit breaker housing, and through the cooperation of the stabilizing columns and the plugging grooves, the insulativity is improved, and the assembling and disassembling are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an insulating and wear-resistant circuit breaker housing. Background Art

[0002] A circuit breaker is a switch device that can close, carry and disconnect current under normal circuit conditions and close, carry and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers can be used to distribute electrical energy and protect power lines and motors. When they have serious overloads, short circuits, undervoltages and other faults, they can automatically cut off the circuit. After breaking the fault current, there is generally no need to change parts. It has been widely used.

[0003] Usually, a casing is provided on the outside of the circuit breaker. When multiple circuit breakers are connected to each other, the casing is usually not convenient for workers to install and fix. Since conventional circuit breaker casings are usually assembled with multiple screws, tools are required to tighten the screws one by one before the circuit breaker casing can be installed and fixed, which reduces the work efficiency of workers and is inconvenient for workers to perform subsequent assembly and maintenance of the circuit breaker.

[0004] Therefore, it is necessary to invent an insulating wear-resistant circuit breaker housing to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an insulating and wear-resistant circuit breaker housing, wherein the main circuit breaker housing and the auxiliary circuit breaker housing are fixed and assembled to each other in a simple manner through the cooperation between the main circuit breaker housing and the assembly mechanism, so as to solve the problem that the conventional circuit breaker housing in the prior art is usually assembled with multiple screws, resulting in the need to use tools to tighten the screws one by one before the circuit breaker housing can be installed and fixed, thereby reducing the work efficiency of the staff and making it inconvenient for the staff to perform subsequent assembly and maintenance of the circuit breaker.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating wear-resistant circuit breaker housing, comprising a main circuit breaker housing and an auxiliary circuit breaker housing, wherein an assembly mechanism is provided on one side of the main circuit breaker housing and the auxiliary circuit breaker housing, wherein the assembly mechanism comprises a storage chamber 1 opened on one side of the main circuit breaker housing, wherein the bottom wall of the storage chamber 1 is rotatably connected with an assembly plate 1, wherein an installation connection portion is provided above the assembly plate 1, wherein the installation connection portion is fixedly connected to a side of the auxiliary circuit breaker housing close to the main circuit breaker housing, wherein a storage chamber 2 is provided on a side of the auxiliary circuit breaker housing away from the main circuit breaker housing, wherein the bottom wall of the storage chamber 2 is rotatably connected with an assembly plate 2, wherein threaded holes are provided on the inner sides of the assembly plate 1 and the assembly plate 2.

[0007] Preferably, a heat sink is provided on the inner side wall of the main circuit breaker housing, a mounting hole is provided on one side of the main circuit breaker housing and the auxiliary circuit breaker housing, and a dustproof door is provided on one side of the main circuit breaker housing and the auxiliary circuit breaker housing away from the mounting hole.

[0008] Preferably, a plug-in slot is provided on a side of the installation connection portion close to the main circuit breaker housing, a rubber ring is fixedly connected to the inside of the plug-in slot, a stabilizing column is plugged into the inside of the plug-in slot, and the stabilizing column is fixedly connected to a side of the main circuit breaker housing close to the auxiliary circuit breaker housing.

[0009] Preferably, an upper mounting plate is fixedly connected to one side of the main circuit breaker housing and the auxiliary circuit breaker housing near the mounting hole, two groups of sliding columns are slidably connected to one side of the upper mounting plate, and an upper clamping block is fixedly connected to the bottom end of the sliding column.

[0010] Preferably, a return spring is fixedly connected to the top end of the upper clamping block, the return spring is sleeved on the outer side wall of the sliding column, and the top end of the return spring is fixedly connected to the bottom end of the upper mounting plate.

[0011] Preferably, a lower clamping block is provided below the upper clamping block, a lower mounting plate is fixedly connected to the bottom end of the lower clamping block, and the back sides of the main circuit breaker housing and the auxiliary circuit breaker housing are fixedly connected to the lower mounting plate.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] 1. Through the cooperation between the main circuit breaker housing and the assembly mechanism, after the assembly plate 1 is put down, the bolts are passed through the threaded holes through the cooperation between the assembly plate 1 and the installation connection part to connect the main circuit breaker housing and the auxiliary circuit breaker housing, and the cooperation between the stabilizing column and the plug-in slot is used to strengthen the connection between the main circuit breaker housing and the auxiliary circuit breaker housing and reduce the vibration of the auxiliary circuit breaker housing during use and installation, thereby increasing its insulation and facilitating its assembly and disassembly;

[0014] 2. The main circuit breaker housing and the auxiliary circuit breaker housing are fixed on the rack by the cooperation of the upper mounting plate, the mounting hole and other parts, and the upper clamp block and the mounting hole. The elasticity of the reset spring can be used to prevent the main circuit breaker housing and the auxiliary circuit breaker housing from being deformed due to the rigid deformation of the upper mounting plate and the upper clamp block when they are removed from the rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the front view structure of the main circuit breaker housing of the utility model;

[0018] Figure 3 This is a schematic diagram of the side view structure of the main circuit breaker housing of the utility model;

[0019] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0020] Description of reference numerals:

[0021] 1. Main circuit breaker housing; 101. Auxiliary circuit breaker housing; 2. Assembly mechanism; 201. Storage chamber 1; 202. Assembly plate 1; 203. Installation connection; 204. Storage chamber 2; 205. Assembly plate 2; 206. Threaded hole; 3. Heat sink; 4. Upper mounting plate; 5. Mounting hole; 6. Lower mounting plate; 7. Dustproof door; 8. Sliding column; 9. Lower clamping block; 10. Reset spring; 11. Upper clamping block; 12. Stabilizing column; 13. Plug slot. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model provides Figure 1-4The insulating wear-resistant circuit breaker housing shown in the figure includes a main circuit breaker housing 1 and an auxiliary circuit breaker housing 101. An assembly mechanism 2 is provided on one side of the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101. The assembly mechanism 2 includes a storage chamber 201 opened on one side of the main circuit breaker housing 1. The bottom wall of the storage chamber 201 is rotatably connected with an assembly plate 202, so that the storage chamber 201 can store the assembly plate 202. An installation connection portion 203 is provided above the assembly plate 202. The installation connection portion 203 is fixedly connected to a side of the auxiliary circuit breaker housing 101 close to the main circuit breaker housing 1, so that the assembly plate 202 can be combined with the installation connection portion 203. A second storage chamber 204 is provided on one side of the shell 101 away from the main circuit breaker housing 1. The bottom wall of the second storage chamber 204 is rotatably connected with a second assembly plate 205 so that it can be connected to other auxiliary circuit breaker housings 101. Threaded holes 206 are provided on the inner sides of the first assembly plate 202 and the second assembly plate 205. The first storage chamber 201 is connected to the installation connection part 203 by bolts, so that the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 are integrated, thereby increasing their insulation and facilitating their assembly and disassembly. At the same time, through the isolation of the insulating material, the bolts will not contact the electronic components inside the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101, thereby improving their insulation.

[0024] Refer to the instruction manual Figure 1-4 The inner wall of the main circuit breaker housing 1 is provided with a heat sink 3, and the heat sink 3 is used to increase the heat dissipation of the main circuit breaker housing 1. A mounting hole 5 is provided on one side of the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101, and the mounting hole 5 is used to facilitate wiring. A dustproof door 7 is provided on the side of the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 away from the mounting hole 5 to prevent dust from entering the inside of the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101. The side of the installation connection part 203 close to the main circuit breaker housing 1 is opened. A plug-in slot 13 is provided, a rubber ring is fixedly connected inside the plug-in slot 13, a stabilizing column 12 is plugged inside the plug-in slot 13, and the stabilizing column 12 is fixedly connected to the side of the main circuit breaker housing 1 close to the auxiliary circuit breaker housing 101. The stabilizing column 12 cooperates with the plug-in slot 13 to strengthen the connection between the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 and reduce the vibration of the auxiliary circuit breaker housing 101 during use and installation, thereby increasing its insulation and stability, thereby further preventing it from being worn due to vibration.

[0025] Refer to the instruction manual Figure 1-4The main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 are fixedly connected to an upper mounting plate 4 on one side near the mounting hole 5. Two sets of sliding columns 8 are slidably connected to one side of the upper mounting plate 4. The bottom end of the sliding column 8 is fixedly connected to an upper clamping block 11. The top of the upper clamping block 11 is fixedly connected to a reset spring 10. The reset spring 10 is sleeved on the outer wall of the sliding column 8. The top of the reset spring 10 is fixedly connected to the bottom end of the upper mounting plate 4. A lower clamping block 9 is arranged below the upper clamping block 11. The bottom end of the lower clamping block 9 is fixedly connected to A lower mounting plate 6 is connected, and the back sides of the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 are fixedly connected to the lower mounting plate 6. Through the cooperation of the upper mounting plate 4, the mounting hole 5 and other parts, the upper clamping block 11 and the mounting hole 5 are used to fix the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 on the rack, and the elasticity of the reset spring 10 is used to prevent the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 from being deformed due to rigid deformation of the upper mounting plate 4 and the upper clamping block 11 when they are removed from the rack.

[0026] How this utility works:

[0027] Refer to the instruction manual Figure 1-4 When the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 need to be installed on the mounting frame, first pull up the sliding column 8, install the main circuit breaker housing 1 on the mounting frame, and then reset the upper clamping block 11 under the elastic force of the reset spring 10, so that the main circuit breaker housing 1 is limited by the mounting frame under the action of the lower clamping block 9 and the upper clamping block 11. When the auxiliary circuit breaker housing 101 needs to be installed, the assembly plate 202 is lowered from the inside of the storage chamber 201, the installation connection part 203 is placed on the top of the assembly plate 202, the stabilizing column 12 is inserted into the inside of the plug-in slot 13, and the bolts are used to fix it. The assembly plate 1 202 is connected to the installation connection part 203, so that the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 are integrated, and the bolts will not contact the electronic components inside the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 through the isolation of the insulating material, thereby improving its insulation. The stabilizing column 12 and the plug-in slot 13 cooperate to strengthen the connection between the main circuit breaker housing 1 and the auxiliary circuit breaker housing 101 and reduce the vibration of the auxiliary circuit breaker housing 101 during use and installation, thereby increasing its insulation and stability, thereby further preventing it from being worn due to vibration and facilitating its assembly and disassembly.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An insulating wear-resistant circuit breaker housing, comprising a main circuit breaker housing (1) and an auxiliary circuit breaker housing (101), characterized in that: An assembly mechanism (2) is provided on one side of the main circuit breaker housing (1) and the auxiliary circuit breaker housing (101), and the assembly mechanism (2) comprises a storage chamber (201) opened on one side of the main circuit breaker housing (1), the bottom wall of the storage chamber (201) is rotatably connected to an assembly plate (202), an installation connection portion (203) is provided above the assembly plate (202), and the installation connection portion (203) is fixedly connected to a side of the auxiliary circuit breaker housing (101) close to the main circuit breaker housing (1), a storage chamber (204) is provided on a side of the auxiliary circuit breaker housing (101) away from the main circuit breaker housing (1), the bottom wall of the storage chamber (204) is rotatably connected to an assembly plate (205), and threaded holes (206) are provided on the inner sides of the assembly plate (202) and the assembly plate (205).

2. The insulating wear-resistant circuit breaker housing according to claim 1, characterized in that: The inner side wall of the main circuit breaker housing (1) is provided with a heat dissipation plate (3), one side of the main circuit breaker housing (1) and the auxiliary circuit breaker housing (101) is provided with a mounting hole (5), and the side of the main circuit breaker housing (1) and the auxiliary circuit breaker housing (101) away from the mounting hole (5) is provided with a dustproof door (7).

3. The insulating wear-resistant circuit breaker housing according to claim 1, characterized in that: A plug-in slot (13) is provided on a side of the installation connection portion (203) close to the main circuit breaker housing (1), a rubber ring is fixedly connected to the inside of the plug-in slot (13), a stabilizing column (12) is plugged into the inside of the plug-in slot (13), and the stabilizing column (12) is fixedly connected to a side of the main circuit breaker housing (1) close to the auxiliary circuit breaker housing (101).

4. The insulating wear-resistant circuit breaker housing according to claim 1, characterized in that: An upper mounting plate (4) is fixedly connected to one side of the main circuit breaker housing (1) and the auxiliary circuit breaker housing (101) near the mounting hole (5); two groups of sliding columns (8) are slidably connected to one side of the upper mounting plate (4); and an upper clamping block (11) is fixedly connected to the bottom end of the sliding column (8).

5. The insulating wear-resistant circuit breaker housing according to claim 4, characterized in that: A return spring (10) is fixedly connected to the top end of the upper clamping block (11), the return spring (10) is sleeved on the outer wall of the sliding column (8), and the top end of the return spring (10) is fixedly connected to the bottom end of the upper mounting plate (4).

6. The insulating wear-resistant circuit breaker housing according to claim 4, characterized in that: A lower clamping block (9) is provided below the upper clamping block (11); the bottom end of the lower clamping block (9) is fixedly connected to a lower mounting plate (6); and the back sides of the main circuit breaker housing (1) and the auxiliary circuit breaker housing (101) are both fixedly connected to the lower mounting plate (6).

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