Alternating-current high-voltage molded case circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, and solves the problems that when a circuit breaker is used, a power line needs to be used, the power line is connected in the circuit breaker in a disordered manner, and when the power line is maintained subsequently, the power line is inconvenient to disassemble, and the power line is not provided with a fixed guide structure. The alternating-current high-voltage molded case circuit breaker comprises an installation frame, an installation groove is formed in the installation frame, a heat dissipation plate is arranged in the installation groove, an installation block is fixedly installed on the surface of the installation frame, a guide groove is formed in the surface of the installation block, a positioning cover is fixedly installed on the top of the guide groove, and a limiting plate is fixedly installed in the middle of the guide groove. Guide pipes are fixedly mounted on the two sides of the surface of the limiting plate, positioning assemblies are arranged on the two sides of the guide pipes, blocking plates are arranged on the two sides of the surface of the mounting block, each positioning assembly comprises a connecting block fixedly mounted on the two sides of the interior of the corresponding guide groove, and a guide frame is fixedly mounted on the surface of each connecting block.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a kind of AC high voltage moulded case circuit breaker. BACKGROUND

[0002] The utility model discloses an AC high voltage moulded case circuit breaker is disclosed in the publication No.

[0003] It can prolong the path of arc-extinguishing grid, increase the number of arc-extinguishing grid, and improve the arc-extinguishing effect of circuit breaker.

[0004] However, when using the circuit breaker, power lines are needed, and the power lines are connected in the internal of the circuit breaker in disorder. When repairing the power lines, it is inconvenient to disassemble the power lines, and the power lines have no fixed guiding structure. This scheme has poor positioning effect on the power lines of the circuit breaker. UTILITY MODEL CONTENTS

[0005] To overcome the defects of the prior art, the utility model provides an AC high voltage moulded case circuit breaker, which solves the problems of needing power lines when using the circuit breaker, the power lines being connected in the internal of the circuit breaker in disorder, and inconvenient disassembly of the power lines when repairing the power lines.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an AC high voltage moulded case circuit breaker, comprising a mounting frame, an installation groove is formed in the inside of the mounting frame, a heat sink is arranged in the inside of the installation groove, an installation block is fixedly installed on the surface of the mounting frame, a guide groove is formed in the surface of the installation block, a positioning cover is fixedly installed on the top of the guide groove, a limiting plate is fixedly installed in the middle of the guide groove, guide pipes are fixedly installed on the both sides of the surface of the limiting plate, positioning assemblies are arranged on the both sides of the guide pipes, and blocking plates are arranged on the both sides of the surface of the installation block.

[0007] The positioning assembly comprises a connecting block fixedly installed on the both sides in the inside of the guide groove, a guide frame is fixedly installed on the surface of the connecting block, telescopic rods are fixedly installed on the both sides in the inside of the guide frame, springs are sleeved on the surface of the telescopic rods, and clamping plates are fixedly installed on one end of the telescopic rods.

[0008] In an embodiment, the back of the clamping plate is fixedly provided with a connecting block, the size of the connecting block is matched with the size of the inside of the guide frame, and the connecting block slides in the inside of the guide frame.

[0009] In an embodiment, one end of the telescopic rod is fixedly provided with a limiting block, the diameter of the limiting block is larger than the diameter of the spring, and one end of the spring is fixedly provided at the back of the limiting block.

[0010] In an embodiment, the bottom of the mounting frame and the mounting block is fixedly provided with a supporting seat, the bottom of the supporting seat is provided with an embedded groove, and the inside of the embedded groove is provided with an insulating pad.

[0011] In an embodiment, the surface of the blocking plate is provided with a positioning groove on both sides, the inside of the positioning groove is provided with a positioning bolt, and the positioning bolt fixes the blocking plate through the positioning groove.

[0012] In an embodiment, the surface of the positioning cover is provided with a mounting groove on one side, the inside of the mounting groove is fixedly provided with a positioning ring, and the inside of the positioning ring is slidably connected with a power cord.

[0013] Compared with the prior art, the utility model provides an alternating current high voltage molded case circuit breaker, has the following beneficial effects:

[0014] In the technical scheme, the mounting block, the positioning cover, the limiting plate, the guide pipe and the positioning assembly are arranged, in the use process, the personnel will guide the power cord into the inside of the positioning cover through the mounting block, then the power cord will penetrate the limiting plate through the guide pipe, the positioning assembly on both sides of the guide groove will position the power cord sliding in the inside of the guide pipe, and the efficiency of positioning the power cord is improved.

[0015] Through the positioning assembly, in the use process, after the personnel guide the power cord into the inside of the guide pipe, the power cord will extrude the clamping plate, after the clamping plate is extruded, the telescopic rod and the spring in the inside will be extruded, then the telescopic rod will drive the clamping plate to move to the middle through the spring, when the clamping plate moves, the power cord on both sides of the guide pipe will be positioned, and the guide frame will be guided through the clamping plate, the efficiency of positioning and guiding the power cord of different sizes is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0017] Figure 1It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a split structure schematic view of the utility model;

[0019] Figure 3 It is an installation block structure schematic view of the utility model;

[0020] Figure 4 It is an installation block structure schematic view of the utility model Figure 3 It is an installation block structure schematic view of the utility model.

[0021] In the figure: 1, installation frame;2, heat dissipation plate;3, installation block;4, positioning cover;5, limiting plate;6, guide pipe;7, positioning assembly;71, connecting block;72, guide frame;73, telescopic rod;74, spring;75, clamping plate;8, blocking plate;9, support seat. Specific implementation

[0022] The embodiment of the application will be described in detail below with the help of the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the application can be fully understood and implemented.

[0023] Figures 1-4 For an embodiment of the utility model, an alternating current high-voltage molded case circuit breaker comprises an installation frame 1, an installation groove is formed in the inside of the installation frame 1, a heat dissipation plate 2 is arranged in the inside of the installation groove, an installation block 3 is fixedly installed on the surface of the installation frame 1, a guide groove is formed in the surface of the installation block 3, a positioning cover 4 is fixedly installed on the top of the guide groove, a limiting plate 5 is fixedly installed in the middle of the guide groove, guide pipes 6 are fixedly installed on the two sides of the surface of the limiting plate 5, positioning assemblies 7 are arranged on the two sides of the guide pipes 6, and blocking plates 8 are arranged on the two sides of the surface of the installation block 3.

[0024] The specific problem that the embodiment is aimed at is that when the circuit breaker is used, a power line needs to be used, the power line is connected in the inside of the circuit breaker in a disorderly manner, and when the power line is maintained subsequently, the power line is inconvenient to disassemble, and the power line has no fixed guide structure. The utility model utilizes the installation of the installation block 3, the positioning cover 4, the limiting plate 5, the guide pipe 6 and the positioning assembly 7, in the use process, personnel will guide the power line into the inside of the positioning cover 4 through the installation block 3, then the power line will penetrate the limiting plate 5 through the guide pipe 6, and the positioning assemblies 7 on the two sides in the inside of the guide groove will position the power line sliding in the inside of the guide pipe 6, thereby improving the positioning efficiency of the power line.

[0025] The positioning assembly 7 comprises the engaging blocks 71 fixedly installed on the two sides inside the guide groove, the surface of the engaging block 71 is fixedly installed with the guide frame 72, the two sides inside the guide frame 72 are fixedly installed with the telescopic rods 73, the surface of the telescopic rod 73 is sleeved with the spring 74, one end of the telescopic rod 73 is fixedly installed with the clamping plate 75, the back of the clamping plate 75 is fixedly installed with the connecting block, the size of the connecting block is matched with the size inside the guide frame 72, the connecting block slides inside the guide frame 72, one end of the telescopic rod 73 is fixedly installed with the limiting block, the diameter of the limiting block is greater than the diameter of the spring 74, one end of the spring 74 is fixedly installed on the back of the limiting block, in the use process of the embodiment, after the power cord is introduced into the inside of the guide pipe 6, the power cord will extrude the clamping plate 75, after the clamping plate 75 is extruded, the telescopic rod 73 and the spring 74 inside will be extruded, then the telescopic rod 73 will drive the clamping plate 75 to move to the middle through the spring 74, when the clamping plate 75 moves, the power cord on the two sides of the guide pipe 6 will be positioned, and the guide frame 72 will guide through the clamping plate 75, the efficiency of positioning and guiding the power cord of different sizes is improved.

[0026] In the embodiment, the bottom of the mounting frame 1 and the mounting block 3 is fixedly installed with a support seat 9, the bottom of the support seat 9 is provided with an embedded groove, the embedded groove is provided with an insulating pad, the surface of the blocking plate 8 is provided with a positioning groove, the positioning groove is provided with a positioning bolt, the positioning bolt fixes the blocking plate 8 through the positioning groove, one side of the surface of the positioning cover 4 is provided with a mounting groove, the mounting groove is fixedly installed with a positioning ring, the inside of the positioning ring is slidably connected with a power cord.

[0027] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0028] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An AC high-voltage molded case circuit breaker, comprising a mounting frame (1), characterized in that: The mounting frame (1) has an internal mounting groove, and a heat sink (2) is installed inside the mounting groove. A mounting block (3) is fixedly installed on the surface of the mounting frame (1). A guide groove is opened on the surface of the mounting block (3). A positioning cover (4) is fixedly installed on the top of the guide groove. A limiting plate (5) is fixedly installed in the middle of the guide groove. Guide tubes (6) are fixedly installed on both sides of the surface of the limiting plate (5). Positioning components (7) are provided on both sides of the guide tubes (6). A blocking plate (8) is provided on both sides of the surface of the mounting block (3). The positioning component (7) includes connecting blocks (71) fixedly installed on both sides inside the guide groove. A guide frame (72) is fixedly installed on the surface of the connecting block (71). Telescopic rods (73) are fixedly installed on both sides inside the guide frame (72). A spring (74) is sleeved on the surface of the telescopic rod (73). A clamping plate (75) is fixedly installed on one end of the telescopic rod (73).

2. The AC high-voltage molded case circuit breaker according to claim 1, characterized in that: A connecting block is fixedly installed on the back of the clamping plate (75). The size of the connecting block is adapted to the size of the inside of the guide frame (72). The connecting block slides inside the guide frame (72).

3. The AC high-voltage molded case circuit breaker according to claim 1, characterized in that: A limiting block is fixedly installed at one end of the telescopic rod (73). The diameter of the limiting block is larger than the diameter of the spring (74). One end of the spring (74) is fixedly installed on the back of the limiting block.

4. The AC high-voltage molded case circuit breaker according to claim 1, characterized in that: The bottom of both the mounting frame (1) and the mounting block (3) is fixedly mounted with a support base (9). The bottom of the support base (9) is provided with an embedding groove, and an insulating pad is provided inside the embedding groove.

5. The AC high-voltage molded case circuit breaker according to claim 1, characterized in that: The baffle plate (8) has positioning grooves on both sides of its surface. The positioning grooves are equipped with positioning bolts, which fix the baffle plate (8) through the positioning grooves.

6. The AC high-voltage molded case circuit breaker according to claim 1, characterized in that: The positioning cover (4) has an installation groove on one side of its surface. A positioning ring is fixedly installed inside the installation groove, and a power cord is slidably connected inside the positioning ring.

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