Circuit breaker mounting structure

Abstract

The utility model discloses a circuit breaker installation structure, comprising a circuit breaker main body and a slide rail, the slide rail is fixed in a cabinet body, one side of the circuit breaker main body is provided with a fixing mechanism which is convenient for the circuit breaker main body to be fixed on the slide rail, and the top end of the circuit breaker main body is provided with an operating mechanism which is convenient for controlling the state of the fixing mechanism. The operating mechanism comprises a pressing block, a first limiting block, a second limiting block, a connecting frame and a first extruding block; and the first limiting block is fixed at the top end of the circuit breaker main body. During installation, the front end of the circuit breaker body is held, the pressing block is pressed, the clamping block moves downwards in the U-shaped block, then the lower end of the U-shaped block is clamped in the sliding rail, the pressing block is loosened, the spring is reset, the clamping block is reset and clamped in the top end position in the sliding rail, and therefore the installation work of the circuit breaker body is completed. And the buckle does not need to be operated by a screwdriver, so that the installation trouble caused by insufficient space is avoided.

Description

Technical Field

[0001] The utility model relates to the field of circuit breaker installation equipment, in particular to a circuit breaker installation structure. Background Art

[0002] At present, circuit breakers refer to switching devices that can close, carry and disconnect currents under normal circuit conditions and can close, carry and disconnect currents under abnormal circuit conditions within a specified time; circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The boundary between high and low voltage is relatively vague, and those above 3kV are generally called high-voltage electrical appliances.

[0003] When installing the circuit breaker, it is necessary to first fix the mounting rail inside the cabinet with bolts, then install the circuit breaker on the rail with the buckle, and then use a screwdriver to lock the buckle. When disassembling, the buckle is pushed open by the screwdriver to complete the disassembly. However, during installation and disassembly, due to the limited space inside the cabinet, the operating space of the screwdriver is limited, and it is difficult to push the buckle to complete the locking and disassembly work, which causes installation inconvenience. Therefore, a device is urgently needed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a circuit breaker installation structure to solve the problem that the circuit breaker proposed in the above background technology needs to first fix the installation rail to the inside of the cabinet by bolts, then install the circuit breaker on the rail by buckles, and then use a screwdriver to lock the buckle. When disassembling, the screwdriver is used to push the buckle to complete the disassembly. However, during installation and disassembly, due to the limited space inside the cabinet, the operating space of the screwdriver is limited, and it is difficult to push the buckle to complete the locking and disassembly work, thereby causing inconvenience in installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit breaker installation structure, comprising a circuit breaker body and a slide rail, the slide rail is fixed inside the cabinet, a fixing mechanism for conveniently fixing the circuit breaker body on the slide rail is arranged on one side of the circuit breaker body, an operating mechanism for conveniently controlling the state of the fixing mechanism is arranged on the top of the circuit breaker body, the operating mechanism comprises a pressing block, a first limit block, a second limit block, a connecting frame and a first extrusion block, the first limit block is fixed on the top of the circuit breaker body, the connecting frame is movably inserted inside the first limit block, the first extrusion block is fixed on one side of the connecting frame, the second limit block is fixed on the top of the connecting frame to limit the moving distance of the connecting frame, and the pressing block is fixed on the other side of the connecting frame.

[0006] Preferably, the fixing mechanism comprises a second extrusion block, a movable rod, a spring, an extension plate, a U-shaped block and a clamping block, the extension plate is fixed to one side of the circuit breaker body, the U-shaped block is fixed to one side of the circuit breaker body, the movable rod is movably interspersed on the extension plate, the second extrusion block is fixed to the top of the movable rod, the spring is fixed at a position between the second extrusion block and the extension plate, and the clamping block is fixed to the bottom end of the movable rod. When in use, the pressing block is pressed to make the connecting frame drive the first extrusion block to move, so that the second extrusion block is squeezed to move downward, and the compression spring is squeezed to drive the clamping block to move downward inside the U-shaped block through the movable rod, and the clamping block is separated from the upper end inside the slide rail to complete the disassembly of the circuit breaker body. When installing, hold the front end of the circuit breaker body, press the pressing block to make the clamping block move downward inside the U-shaped block, and then clamp the lower end of the U-shaped block inside the slide rail. After completion, release the pressing block, and the spring is reset at this time, so that the clamping block is reset and clamped at the top position inside the slide rail, thereby completing the installation of the circuit breaker body.

[0007] Preferably, the connecting frame consists of a rectangular frame and extension rods fixed on both sides of the rectangular frame.

[0008] Preferably, one side of the first extrusion block is a smooth inclined surface.

[0009] Preferably, one side of the second extrusion block is in contact with the first extrusion block.

[0010] Preferably, the movable rod movably penetrates into the U-shaped block, and the clamping block fits with the slide rail.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is in use, the pressing block is pressed, so that the connecting frame drives the first extrusion block to move, thereby squeezing the second extrusion block to move downward, and squeezing the compression spring, and driving the clamping block to move downward inside the U-shaped block through the movable rod, and the clamping block is separated from the upper end of the slide rail, thereby completing the disassembly work of the circuit breaker body;

[0013] When installing the utility model, the front end of the circuit breaker body is held, and the pressing block is pressed to make the clamping block move downward inside the U-shaped block, and then the lower end position of the U-shaped block is clamped inside the slide rail. After completion, the pressing block is released, and the spring is reset at this time, so that the clamping block is reset and clamped at the top position inside the slide rail. In this way, the installation work of the circuit breaker body is completed, and there is no need to use a screwdriver to operate the buckle, thereby avoiding installation troubles caused by insufficient space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a circuit breaker installation structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of a circuit breaker installation structure of the utility model;

[0016] Figure 3 A is an enlarged schematic diagram of a circuit breaker installation structure of the utility model;

[0017] Figure 4 B is an enlarged schematic diagram of a circuit breaker installation structure of the utility model;

[0018] Figure 5 It is an enlarged schematic diagram of C of a circuit breaker installation structure of the utility model.

[0019] In the figure: 1. circuit breaker body; 2. slide rail; 3. connecting frame; 4. first extrusion block; 5. pressing block; 6. first limit block; 7. second limit block; 8. extension plate; 9. second extrusion block; 10. movable rod; 11. spring; 12. U-shaped block; 13. clamping block. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5 The utility model provides a technical solution: a circuit breaker installation structure, including a circuit breaker body 1 and a slide rail 2, the slide rail 2 is fixed inside the cabinet by bolts, one side of the circuit breaker body 1 is provided with a fixing mechanism for conveniently fixing the circuit breaker body 1 on the slide rail 2, the top of the circuit breaker body 1 is provided with an operating mechanism for conveniently controlling the state of the fixing mechanism, the operating mechanism includes a pressing block 5, a first limit block 6, a second limit block 7, a connecting frame 3 and a first extrusion block 4, the first limit block 6 is welded and fixed at the top of the circuit breaker body 1, the connecting frame 3 is movably inserted inside the first limit block 6, the connecting frame 3 is composed of a rectangular frame and extension rods welded and fixed on both sides of the rectangular frame, the first extrusion block 4 is welded and fixed to one side of the connecting frame 3, one side of the first extrusion block 4 is a smooth inclined surface, the second limit block 7 is welded and fixed to the top of the connecting frame 3, limiting the moving distance of the connecting frame 3, and the pressing block 5 is welded and fixed to the other side of the connecting frame 3.

[0022] In one case of this embodiment, the fixing mechanism includes a second extrusion block 9, a movable rod 10, a spring 11, an extension plate 8, a U-shaped block 12 and a clamping block 13. The extension plate 8 is welded and fixed to one side of the circuit breaker body 1, the U-shaped block 12 is welded and fixed to one side of the circuit breaker body 1, the movable rod 10 is movably inserted into the extension plate 8, the second extrusion block 9 is welded and fixed to the top of the movable rod 10, one side of the second extrusion block 9 is fitted with the first extrusion block 4, the spring 11 is welded and fixed to the position between the second extrusion block 9 and the extension plate 8, the movable rod 10 is movably inserted into the U-shaped block 12, the clamping block 13 is welded and fixed to the bottom end of the movable rod 10, the clamping block 13 is fitted with the slide rail 2, and is pressed when in use. The pressing block 5 causes the connecting frame 3 to drive the first extrusion block 4 to move, thereby squeezing the second extrusion block 9 to move downward, and squeezing the compression spring 11, and driving the card block 13 to move downward inside the U-shaped block 12 through the movable rod 10, so that the card block 13 is separated from the upper end of the inner part of the slide rail 2, and the disassembly work of the circuit breaker body 1 is completed. During installation, hold the front end of the circuit breaker body 1, press the pressing block 5, so that the card block 13 moves downward inside the U-shaped block 12, and then the lower end position of the U-shaped block 12 is clamped inside the slide rail 2. After completion, release the pressing block 5, and at this time, the spring 11 is reset, so that the card block 13 is reset and clamped at the top position inside the slide rail 2, and the installation work of the circuit breaker body 1 is completed.

[0023] Working principle: When in use, the utility model presses the pressing block 5 so that the connecting frame 3 drives the first extrusion block 4 to move, thereby squeezing the second extrusion block 9 to move downward, and squeezing the compression spring 11, and driving the card block 13 to move downward inside the U-shaped block 12 through the movable rod 10, and the card block 13 is separated from the upper end of the inner part of the slide rail 2, and the disassembly work of the circuit breaker body 1 is completed. When installing, hold the front end of the circuit breaker body 1, press the pressing block 5, so that the card block 13 moves downward inside the U-shaped block 12, and then the lower end position of the U-shaped block 12 is clamped inside the slide rail 2. After completion, release the pressing block 5, and at this time the spring 11 is reset, so that the card block 13 is reset and clamped at the top position inside the slide rail 2, and the installation work of the circuit breaker body 1 is completed. It has the advantages of simple structure, convenient use and good use effect.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker installation structure, comprising a circuit breaker body (1) and a slide rail (2), characterized in that: The slide rail (2) is fixed inside the cabinet; a fixing mechanism for conveniently fixing the circuit breaker body (1) on the slide rail (2) is provided on one side of the circuit breaker body (1); an operating mechanism for conveniently controlling the state of the fixing mechanism is provided on the top of the circuit breaker body (1); the operating mechanism comprises a pressing block (5), a first limit block (6), a second limit block (7), a connecting frame (3) and a first extrusion block (4); the first limit block (6) is fixed on the top of the circuit breaker body (1); the connecting frame (3) is movably inserted inside the first limit block (6); the first extrusion block (4) is fixed on one side of the connecting frame (3); the second limit block (7) is fixed on the top of the connecting frame (3) to limit the moving distance of the connecting frame (3); and the pressing block (5) is fixed on the other side of the connecting frame (3).

2. A circuit breaker installation structure according to claim 1, characterized in that: The fixing mechanism comprises a second extrusion block (9), a movable rod (10), a spring (11), an extension plate (8), a U-shaped block (12) and a clamping block (13); the extension plate (8) is fixed to one side of the circuit breaker body (1); the U-shaped block (12) is fixed to one side of the circuit breaker body (1); the movable rod (10) is movably inserted on the extension plate (8); the second extrusion block (9) is fixed to the top of the movable rod (10); the spring (11) is fixed between the second extrusion block (9) and the extension plate (8); and the clamping block (13) is fixed to the bottom of the movable rod (10).

3. A circuit breaker installation structure according to claim 2, characterized in that: The connecting frame (3) consists of a rectangular frame and extension rods fixed on both sides of the rectangular frame.

4. A circuit breaker installation structure according to claim 3, characterized in that: One side of the first extrusion block (4) is a smooth inclined surface.

5. A circuit breaker installation structure according to claim 4, characterized in that: One side of the second extrusion block (9) is in contact with the first extrusion block (4).

6. A circuit breaker installation structure according to claim 5, characterized in that: The movable rod (10) is movably inserted into the U-shaped block (12), and the clamping block (13) is fitted with the slide rail (2).

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