Low-voltage switch cabinet convenient to assemble

Abstract

The utility model discloses a low-voltage switch cabinet convenient to assemble, and aims to solve the technical problems that in the prior art, in the assembly production process of an existing vertical low-voltage switch cabinet before leaving a factory, assembly workers on stations need to use an electric screwdriver to connect electrical elements such as busbars and circuit breakers to a rack in a cabinet body in a threaded mode, and due to the fact that the postures of the workers are limited, the assembly efficiency is high, and the like. The technical problem that a cabinet body is easy to turn over due to overexertion in the prior art is solved, and the cabinet comprises the cabinet body, a bottom plate and a quick release assembly; the bottom plate comprises a wiring long round hole and a wiring round hole; the wiring oblong hole comprises a first semicircle; during connection, the limiting cylinder penetrates through the first semicircle to form contactable limiting connection; the quick release assembly comprises a pressing plate; the pressing plate comprises a tabulate main body, a limiting cylinder, a handle and a first through hole; a first limiting groove is formed in the station ground; a limiting hole and a threaded hole are formed in the bottom of the first limiting groove; the locking bolt penetrates through the wiring round hole and the first through hole and is in threaded connection with the threaded hole.

Description

Technical Field

[0001] This utility model relates to the field of switchgear equipment technology, and in particular to a low-voltage switchgear that is easy to assemble. Background Technology

[0002] Low-voltage switchgear, with its rated frequency of 50Hz and rated voltage of 380V, is mainly used in the lighting and power distribution fields, undertaking the tasks of power conversion and control. It features small size, light weight, compact structure, and convenient installation and use. Its C-shaped profile meets the requirements of various structural forms, protection levels and usage conditions.

[0003] Existing vertical low-voltage switchgear, such as Figure 1 As shown, during the assembly process before leaving the factory, the assembly workers at the workstation need to use electric screwdrivers to thread electrical components such as busbars and circuit breakers onto the frame inside the cabinet. In the actual installation process, the workers standing outside the cabinet to perform the assembly operation inside the cabinet are not easy to control the electric screwdriver due to the limited posture and small operating space. They are prone to using too much force and overturning the cabinet, which poses a significant safety hazard. Utility Model Content

[0004] The purpose of this invention is to provide a low-voltage switchgear that is easy to assemble, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A low-voltage switchgear that is easy to assemble is placed upright on the work station floor and includes a cabinet, a base plate that is built into the bottom of the cabinet in an elevated manner, and a quick-release assembly that abuts against the base plate.

[0007] The base plate includes four rectangular array of elongated holes for wiring and a central circular hole for wiring; each elongated hole for wiring includes a first semicircle on the side closest to the circular hole for wiring.

[0008] The quick-release assembly includes a pressure plate that abuts against the top surface of the base plate; the pressure plate includes a flat body, limiting cylinders respectively disposed at the four corners of the bottom surface of the body, handles respectively disposed at two non-adjacent sides near the top surface of the body, and a first through hole concentric with the wiring hole; the limiting cylinders match the first semicircle, and when connected, the limiting cylinders pass through the first semicircle to achieve a contactable limiting connection between the outer wall of the limiting cylinder and the inner wall of the first semicircle.

[0009] The first limiting groove is provided with a limiting hole matched with the limiting cylinder and a threaded hole provided with the same center as the wiring circular hole; when connected, the limiting cylinder is detachably inserted into the bottom of the limiting hole; the top surface of the main body is provided with a locking bolt matched with the threaded hole, and when connected, the locking bolt is respectively threaded through the wiring circular hole and the first through hole and is screwed with the threaded hole.

[0010] Preferably, the limiting hole is provided with a cylindrical limiting block at the center, and correspondingly, the limiting cylinder is provided with a groove matched with the limiting block; when connected, the limiting block is inserted into the groove to form a detachable limiting connection, further improving the stability of the connection.

[0011] Preferably, the limiting hole is provided with a cylindrical limiting block at the center, and correspondingly, the limiting cylinder is provided with a groove matched with the limiting block; when connected, the limiting block is inserted into the groove to form a detachable limiting connection, further improving the stability of the connection.

[0012] Preferably, the top surface edge of the limiting block is provided with a second guide chamfer, further facilitating connection.

[0013] Preferably, the top of the locking bolt is provided with a portable pull ring, facilitating manual disassembly and assembly of the locking bolt.

[0014] Preferably, the bottom surface of the flat plate-shaped main body is fixedly provided with a hollow guide column provided with the same center as the first through hole; the hollow guide column is provided with a second through hole; the second through hole is provided with the same center as the first through hole; the bottom surface of the hollow guide column is detachably abutted with the bottom of the first limiting groove, facilitating installation of the locking bolt.

[0015] Compared with the prior art, the low-voltage switch cabinet convenient to assemble has the following beneficial effects:

[0016] The low-voltage cabinet is quickly and stably fixed on the workbench ground through the quick-release assembly, preventing the cabinet body from falling during assembly and effectively avoiding safety accidents, and the stable connection can improve work efficiency and ensure smooth progress of the assembly work. In the utility model, the quick-release assembly is supported and manually quickly installed and disassembled, and the connection structure is simple, without the need to modify the switch cabinet itself, so that stable connection can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the upright low-voltage switch cabinet in the prior art;

[0018] Figure 2 It is a structural schematic view of the utility model embodiment;

[0019] Figure 3 It is a structural schematic view of another view of the utility model embodiment;

[0020] Figure 4It is the connection structure schematic view of the cabinet body and the bottom plate in the embodiment of the utility model;

[0021] Figure 5 It is the connection structure schematic view of the bottom plate and the quick release assembly in the embodiment of the utility model;

[0022] Figure 6 It is the connection structure explosion view of the bottom plate and the quick release assembly in the embodiment of the utility model;

[0023] Figure 7 It is the connection structure explosion view of the bottom plate and the quick release assembly in the embodiment of the utility model from another perspective;

[0024] Figure 8 It is the structure schematic view of the first limiting recess in the embodiment of the utility model;

[0025] Figure 9 It is the structure schematic view of the bottom plate in the embodiment of the utility model;

[0026] Figure 10 It is the structure schematic view of the pressing plate in the embodiment of the utility model;

[0027] Figure 11 It is the structure schematic view of the limiting block in the embodiment of the utility model.

[0028] The reference signs: 1, cabinet body;2, bottom plate;21, long circular hole of wiring;211, first semicircle;22, circular hole of wiring;3, quick release assembly;31, pressing plate;311, main body;312, limiting cylinder;313, handle;314, first through hole;315, recess;316, hollow guide column;317, second through hole;32, locking bolt;321, portable pull ring;4, workstation ground;41, first limiting recess;42, limiting hole;421, first guide chamfer;43, threaded hole;44, limiting block;441, second guide chamfer. Specific implementation

[0029] The following is further detailed by specific implementation: Embodiment 1

[0030] As Figures 2-11 shown, the embodiment shows a low-voltage switch cabinet convenient to assemble, which is vertically placed on the workstation ground 4, comprising a cabinet body 1, a bottom plate 2 fixedly arranged in the bottom of the cabinet body 1 in an overhead manner, and a quick release assembly 3 in limiting abutment with the bottom plate 2, and the bottom plate 2 is quickly limited and abutted on the workstation ground 4 through the quick release assembly 3.

[0031] As Figure 9As shown, the bottom plate 2 includes four rectangular array of long round holes 21 and a center round hole 22; the long round hole 21 includes a first half circle 211 near the side of the round hole 22.

[0032] The quick release assembly 3 includes a pressing plate 31 abutting the top surface of the bottom plate 2; the pressing plate 31 includes a flat plate body 311, a limiting cylinder 312 respectively arranged at the bottom surface of the body 311 four corners, a handle 313 respectively arranged near the top surface of the body 311 two non-adjacent sides and a first through hole 314 arranged with the round hole 22 as the same center; the limiting cylinder 312 matches the first half circle 211, and when connected, the limiting cylinder 312 passes through the first half circle 211 to realize the contactable limiting connection between the outer wall of the limiting cylinder 312 and the inner wall of the first half circle 211.

[0033] The first limiting groove 41 is provided on the workbench ground 4 and matches the bottom of the cabinet 1; the groove bottom of the first limiting groove 41 is provided with a limiting hole 42 matching the limiting cylinder 312 and a threaded hole 43 arranged with the round hole 22 as the same center; when connected, the limiting cylinder 312 is separably inserted into the bottom of the limiting hole 42; the top surface of the body 311 is provided with a locking bolt 32 matching the threaded hole 43, and when connected, the locking bolt 32 passes through both the round hole 22 and the first through hole 314 and is threadedly connected with the threaded hole 43.

[0034] Specifically, when installing, first insert the limiting cylinder 312 of the pressing plate 31 into the limiting hole 42 until the bottom surface of the body 311 abuts the top surface of the bottom plate 2, at this time, the limiting cylinder 312 and the limiting hole 42 form a limiting connection limiting the horizontal degree of freedom, then pass the locking bolt 32 through both the round hole 22 and the first through hole 314 and threadedly connect with the threaded hole 43 to form a limiting connection limiting the vertical degree of freedom of the bottom plate 2, that is, complete the quick fixing of the low-voltage switch cabinet, the overall structure is simple, the disassembly and assembly are quick and portable, and the working efficiency and safety are effectively improved. Embodiment 2

[0035] As shown in the figure, Figures 2-11 Another embodiment based on embodiment 1 shows a low-voltage switch cabinet convenient to assemble, as shown in the figure, Figures 10-11 As shown, the center of the limiting hole 42 is provided with a cylindrical limiting block 44, and correspondingly, the limiting cylinder 312 is provided with a cylindrical groove 315 matching the limiting block 44; when connected, the limiting block 44 is inserted into the groove 315 to form a separable limiting connection, further improving the reliability of the limiting connection between the limiting hole 42 and the limiting cylinder 312.

[0036] Further explanation, in the further implementable manner of the embodiment, as shown in the figure, Figure 8As shown, the aperture edge of the limiting hole 42 is provided with a first guide chamfer 421, facilitating the connection between the limiting hole 42 and the limiting cylinder 312.

[0037] Further illustration, in further implementable manners of the embodiment, as shown in Figure 11 As shown, the top surface edge of the limiting block 44 is provided with a second guide chamfer 441, further facilitating the connection between the limiting hole 42 and the limiting cylinder 312. Embodiment 3

[0038] As shown in Figures 2-11 Another embodiment based on embodiment 1 shows a low-voltage switch cabinet facilitating assembly, further illustration, in further implementable manners of the embodiment, as shown in Figures 5-7 As shown, the top of the locking bolt 32 is provided with a portable pull ring 321, facilitating the manual disassembly of the locking bolt 32, and the portable pull ring 321 in the embodiment is in an arc shape.

[0039] Further illustration, in further implementable manners of the embodiment, as shown in Figures 6-7 and Figure 10 As shown, the bottom surface of the flat plate-shaped body 311 is fixedly provided with a hollow guide column 316 arranged with the first through hole 314 as the same center; the hollow guide column 316 is provided with a second through hole 317; the second through hole 317 is arranged with the first through hole 314 as the same circle; the bottom surface of the hollow guide column 316 is detachably abutted with the groove bottom of the first limiting groove 41, on the one hand, the hollow guide column 316 facilitates the installation of the locking bolt, and on the other hand, the hollow guide column 316 can provide a certain supporting effect to prevent the body 311 from deforming.

[0040] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme known in the art are not described in detail. It should be noted that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A low-voltage switchgear that is easy to assemble, which is placed upright on the workstation floor, characterized in that: Includes the cabinet body, a base plate that is suspended and built into the bottom of the cabinet body, and quick-release components that abut against the base plate; The base plate includes four elongated oval holes for wiring arranged in a rectangular array and a circular hole for wiring at the center; each elongated oval hole for wiring includes a first semicircle on the side closest to the circular hole for wiring. The quick-release assembly includes a pressure plate that abuts against the top surface of the base plate; the pressure plate includes a flat body, limiting cylinders respectively disposed at the four corners of the bottom surface of the body, handles respectively disposed at two non-adjacent sides near the top surface of the body, and a first through hole concentric with the wiring hole; the limiting cylinders match the first semicircle, and when connected, the limiting cylinders pass through the first semicircle to achieve a contactable limiting connection between the outer wall of the limiting cylinder and the inner wall of the first semicircle; The workstation floor is provided with a first limiting groove that matches the bottom of the cabinet; the bottom of the first limiting groove is provided with a limiting hole that matches the limiting cylinder and a threaded hole that is concentric with the wiring hole; when connected, the limiting cylinder can be detachably inserted into the bottom of the limiting hole; the top surface of the main body is provided with a locking bolt that matches the threaded hole; when connected, the locking bolt passes through both the wiring hole and the first through hole and is threadedly connected to the threaded hole.

2. The low-voltage switchgear that is easy to assemble according to claim 1, characterized in that: A cylindrical limiting block is provided at the center of the limiting hole, and correspondingly, the limiting cylinder is provided with a groove that matches the limiting block; when connected, the limiting block is inserted into the groove to form a detachable limiting connection.

3. A low-voltage switchgear that is easy to assemble according to claim 2, characterized in that: The edge of the limiting hole is provided with a first guide chamfer.

4. A low-voltage switchgear that is easy to assemble according to claim 3, characterized in that: The top edge of the limiting block is provided with a second guide chamfer.

5. A low-voltage switchgear that is easy to assemble according to claim 1, characterized in that: The top of the locking bolt is equipped with a portable pull ring.

6. A low-voltage switchgear that is easy to assemble according to claim 1, characterized in that: The bottom surface of the flat body is fixedly provided with a hollow guide post that is concentric with the first through hole; the hollow guide post is provided with a second through hole; the second through hole and the first through hole are concentric; the bottom surface of the hollow guide post is detachably abutted against the bottom of the first limiting groove.

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