Low-voltage switchgear
By designing assembled low-voltage switch equipment, the use of the connection block and cover setting allows the cabinet size to be adjusted according to the needs, solving the problem that existing equipment cannot be adjusted and improving the use effect and sealing.
Patent Information
- Application Number
- CN202421286679.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-06
AI Technical Summary
Due to the overall design of existing low-voltage switching equipment, it cannot be adjusted according to the use needs, resulting in poor use.
A low-voltage switching device including an upper cabinet body, a middle cabinet body and a lower cabinet body is designed. Through the arrangement of the first outer connecting block and the first inner connecting block, the size of the cabinet body is allowed to be assembled and adjusted according to needs, and the sealing property is improved by the plugging of the first inner cover and the first outer cover.
The size of the low-voltage switch cabinet is adjusted according to needs, which improves the use effect, and improves the sealing between the cabinets through improved connection methods.
Smart Images

Figure CN222654609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-voltage switch equipment, in particular to a low-voltage switch equipment. Background Art
[0002] Low-voltage switchgear, also known as low-voltage switchgear, is widely used in power transmission, distribution and energy conversion in various fields and industries.
[0003] During the use of existing low-voltage switchgear, since the low-voltage switchgear is mostly designed as an integral whole, the size of the low-voltage switchgear cannot be adjusted according to the use requirements, resulting in poor use of the low-voltage switchgear. Therefore, in order to advance the technology of the industry, better use the low-voltage switchgear, and improve the competitiveness of core technologies, this application proposes a new implementation scheme that is different from the low-voltage switchgear structure in the prior art. Utility Model Content
[0004] The utility model aims to solve the problem that the size of the existing low-voltage switch cabinet cannot be adjusted according to the use requirements, and proposes a low-voltage switch device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A low-voltage switchgear comprises an upper cabinet, a middle cabinet and a lower cabinet, wherein the bottoms of the outer walls on both sides of the upper cabinet, the middle cabinet and the lower cabinet are fixedly connected with first external connection blocks, the tops of the outer walls on both sides of the upper cabinet, the middle cabinet and the lower cabinet are fixedly connected with first internal connection blocks, the first internal connection blocks of the middle cabinet and the lower cabinet are fixed with the first external connection blocks of the middle cabinet and the upper cabinet by bolts, the tops of the upper cabinet, the middle cabinet and the lower cabinet are fixedly connected with first external covers, the bottoms of the upper cabinet, the middle cabinet and the lower cabinet are fixedly connected with first internal covers, the first internal covers of the upper cabinet and the middle cabinet are plugged with the first external covers of the middle cabinet and the lower cabinet, the top of the upper cabinet is provided with an upper shell body, and the bottom of the lower cabinet is provided with a lower shell body.
[0007] Furthermore, a carrying drawer is slidably inserted into one side of the lower cabinet.
[0008] Furthermore, one side of the upper cabinet and the middle cabinet are both rotatably connected with a cabinet door.
[0009] Furthermore, a plurality of bearing plates are slidably inserted between the inner walls on both sides of the upper cabinet, the middle cabinet and the lower cabinet.
[0010] Furthermore, the tops of the outer walls on both sides of the lower shell are fixedly connected with second inner connecting blocks, and the first outer connecting block and the second inner connecting block of the lower cabinet are fixed by bolts.
[0011] Furthermore, the bottoms of the outer walls on both sides of the upper shell are fixedly connected with second outer connecting blocks, and the second outer connecting blocks are fixed to the first inner connecting blocks of the upper cabinet by bolts.
[0012] Furthermore, a second inner cover is fixedly connected to the bottom of the upper shell, and the second inner cover is plugged into the first outer cover of the upper cabinet; a second outer cover is fixedly connected to the top of the lower shell, and the first inner cover of the lower cabinet is plugged into the second outer cover.
[0013] Furthermore, dustproof nets are clamped on multiple sides of the upper shell and the lower shell.
[0014] The beneficial effects of the utility model are:
[0015] 1. By setting the first external connection block and the first internal connection block, the upper cabinet, the middle cabinet and the lower cabinet can be assembled according to needs, so as to adjust the size of the low-voltage switch cabinet according to needs and improve the use effect of the low-voltage switch cabinet.
[0016] 2. The plug-in arrangement of the first inner cover and the first outer cover facilitates the positioning and installation of the upper cabinet, the middle cabinet and the lower cabinet, and improves the sealing between the upper cabinet, the middle cabinet and the lower cabinet. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A three-dimensional structural schematic diagram of a low-voltage switchgear proposed by the utility model;
[0018] Figure 2 A partial cross-sectional structural schematic diagram of a low-voltage switchgear proposed by the utility model;
[0019] Figure 3 This is a schematic diagram of the explosion separation cross-sectional structure of a low-voltage switchgear proposed by the utility model;
[0020] Figure 4 The utility model provides a schematic diagram of the cabinet door opening structure of a low-voltage switchgear.
[0021] In the figure: 1, upper cabinet; 2, middle cabinet; 3, lower cabinet; 4, first outer connecting block; 5, first inner connecting block; 6, first outer cover; 7, first inner cover; 8, load-bearing drawer; 9, cabinet door; 10, load-bearing plate; 11, upper shell; 12, lower shell; 13, second inner connecting block; 14, second outer connecting block; 15, second inner cover; 16, second outer cover; 17, dust screen. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Reference Figure 1-Figure 4 A low-voltage switchgear comprises an upper cabinet 1, a middle cabinet 2 and a lower cabinet 3, wherein the bottoms of the outer walls on both sides of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are fixed with first external connection blocks 4 by bolts, and the tops of the outer walls on both sides of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are fixed with first internal connection blocks 5 by bolts, and the first internal connection blocks 5 of the middle cabinet 2 and the lower cabinet 3 are fixed with the first external connection blocks 4 of the middle cabinet 2 and the upper cabinet 1 by bolts, and the connection between the first external connection block 4 and the first internal connection block 5 The upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are then connected and fixed. The tops of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are all welded with a first outer cover 6, and the bottoms of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are all welded with a first inner cover 7. The first inner cover 7 of the upper cabinet 1 and the middle cabinet 2 is plugged with the first outer cover 6 of the middle cabinet 2 and the lower cabinet 3, so as to facilitate the positioning and installation of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3. An upper shell 11 is provided at the top of the upper cabinet 1, and a lower shell 12 is provided at the bottom of the lower cabinet 3.
[0024] A load drawer 8 is slidably inserted into one side of the lower cabinet 3, and a cabinet door 9 is rotatably connected to one side of the upper cabinet 1 and the middle cabinet 2. A plurality of load bearing plates 10 are slidably inserted between the inner walls on both sides of the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3. The load drawer 8 and the load bearing plates 10 are convenient for storing items. The tops of the outer walls on both sides of the lower shell 12 are fixed with second inner connecting blocks 13 by bolts, and the first outer connecting block 4 of the lower cabinet 3 is fixed to the second inner connecting block 13 by bolts. The lower shell 12 and the lower cabinet 3 are connected and fixed by bolts between the first outer connecting block 4 of the lower cabinet 3 and the second inner connecting block 13, and the bottoms of the outer walls on both sides of the upper shell 11 are fixed with second outer connecting blocks 14 by bolts, and the second outer connecting blocks 14 are connected to the first inner connecting blocks 14 of the upper cabinet 1 The blocks 5 are fixed by bolts, and the upper cabinet 1 and the upper shell 11 are connected and fixed by bolts between the second outer connecting block 14 and the first inner connecting block 5 of the upper cabinet 1. A second inner cover 15 is welded to the bottom of the upper shell 11, and the second inner cover 15 is plugged with the first outer cover 6 of the upper cabinet 1. A second outer cover 16 is welded to the top of the lower shell 12, and the first inner cover 7 of the lower cabinet 3 is plugged with the second outer cover 16, so as to facilitate the positioning and installation between the upper shell 11 and the upper cabinet 1 and the lower shell 12 and the lower cabinet 3, and enhance the sealing between the upper shell 11 and the upper cabinet 1 and between the lower shell 12 and the lower cabinet 3. Dustproof nets 17 are clamped on multiple sides of the upper shell 11 and the lower shell 12 to prevent dust from entering the upper shell 11 and the lower shell 12.
[0025] The working principle of this embodiment: when in use, first, the upper cabinet 1, the middle cabinet 2 and the lower cabinet 3 are connected and fixed by connecting the first external connecting block 4 with the first internal connecting block 5, and then, the lower shell 12 and the lower cabinet 3 are connected and fixed by bolts between the first external connecting block 4 of the lower cabinet 3 and the second internal connecting block 13, and then, the upper cabinet 1 and the upper shell 11 are connected and fixed by bolts between the second external connecting block 14 and the first internal connecting block 5 of the upper cabinet 1, thereby completing the assembly of the low-voltage switch cabinet, and then, the items are placed in the carrying drawer 8 and on the carrying plate 10 for storage.
[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A low-voltage switchgear, comprising an upper cabinet (1), a middle cabinet (2) and a lower cabinet (3), characterized in that: The bottoms of the outer walls on both sides of the upper cabinet (1), the middle cabinet (2) and the lower cabinet (3) are fixedly connected with first external connection blocks (4); the tops of the outer walls on both sides of the upper cabinet (1), the middle cabinet (2) and the lower cabinet (3) are fixedly connected with first internal connection blocks (5); the first internal connection blocks (5) of the middle cabinet (2) and the lower cabinet (3) are fixed to the first external connection blocks (4) of the middle cabinet (2) and the upper cabinet (1) by bolts; the upper cabinet (1), the middle cabinet (2) and the lower cabinet (3) are fixedly connected with first external connection blocks (4) of the middle cabinet (2) and the upper cabinet (1) by bolts; The tops of the middle cabinet (2) and the lower cabinet (3) are fixedly connected with a first outer cover (6); the bottoms of the upper cabinet (1), the middle cabinet (2) and the lower cabinet (3) are fixedly connected with a first inner cover (7); the first inner covers (7) of the upper cabinet (1) and the middle cabinet (2) are plugged into the first outer covers (6) of the middle cabinet (2) and the lower cabinet (3); the top of the upper cabinet (1) is provided with an upper shell (11); the bottom of the lower cabinet (3) is provided with a lower shell (12).
2. A low voltage switchgear according to claim 1, characterized in that: A carrying drawer (8) is slidably plugged into one side of the lower cabinet (3).
3. A low voltage switchgear according to claim 1, characterized in that: One side of the upper cabinet (1) and the middle cabinet (2) is rotatably connected to a cabinet door (9).
4. A low voltage switchgear according to claim 1, characterized in that: A plurality of bearing plates (10) are slidably inserted between the inner walls on both sides of the upper cabinet (1), the middle cabinet (2) and the lower cabinet (3).
5. A low voltage switchgear according to claim 1, characterized in that: The tops of the outer walls on both sides of the lower shell (12) are fixedly connected with second inner connecting blocks (13), and the first outer connecting block (4) of the lower cabinet (3) and the second inner connecting block (13) are fixed by bolts.
6. A low voltage switchgear according to claim 1, characterized in that: The bottoms of the outer walls on both sides of the upper shell (11) are fixedly connected with second outer connecting blocks (14), and the second outer connecting blocks (14) are fixed to the first inner connecting blocks (5) of the upper cabinet (1) by bolts.
7. A low voltage switchgear according to claim 1, characterized in that: The bottom of the upper shell (11) is fixedly connected to a second inner cover (15), the second inner cover (15) is plugged into the first outer cover (6) of the upper cabinet (1), the top of the lower shell (12) is fixedly connected to a second outer cover (16), the first inner cover (7) of the lower cabinet (3) is plugged into the second outer cover (16).
8. The low voltage switchgear according to claim 1, characterized in that: Dustproof nets (17) are clamped on multiple sides of the upper shell (11) and the lower shell (12).