Spliced ring main unit

Abstract

The utility model provides a splice type ring main unit relates to ring main unit technical field, including base, side plate and back plate, the surface of base is equipped with the side protection strip, the outside of side protection strip is equipped with the inclined plane, the inclined plane is equipped with the mounting hole, the inside of mounting hole is equipped with the nut, and the back plate is equipped with the back plate. Mounting grooves are formed in the lower portions of the side plates and the lower portion of the rear plate, bolts are mounted in the mounting grooves and connected with nuts, and the side plates and the rear plate are connected with the side protection strips through matching of the bolts and the nuts. According to the utility model, through the inclined planes arranged on the side protection strips, the protection inclined planes arranged on the front protection strips and the inner inclined planes matched with the inclined planes, water can be prevented from splashing into the cabinet body, the sealing performance of the lower part of the whole cabinet body is improved, and a moisture-proof effect is achieved during use.

Description

Technical Field

[0001] This utility model belongs to the field of ring main unit technology, and more specifically, it relates to a splicing ring main unit. Background Technology

[0002] A ring main unit (RMU) is an electrical device consisting of a group of power transmission and distribution equipment (high-voltage switchgear) housed in a metal or non-metal insulated cabinet or assembled into a modular ring network power supply unit. Its core components utilize load switches and fuses. It offers advantages such as simple structure, small size, low cost, improved power supply parameters and performance, and enhanced power supply safety. It is widely used in substations and prefabricated substations in load centers such as urban residential areas, high-rise buildings, large public buildings, and factories.

[0003] Based on the above, the inventors have discovered the following problems: Modular ring main units are widely used in urban power supply systems, industrial parks, commercial buildings, and other places. The assembly of modular ring main units can be pre-assembled in the factory or transported in batches and then assembled on site. However, after assembly, the splicing joints at the bottom are mostly flat joints. When the ring main unit is installed on the outside, rainy weather may cause rainwater to splash into the interior of the ring main unit from the flat joints, resulting in poor moisture protection and affecting the internal use of the ring main unit.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a modular ring main unit in order to achieve a more practical value. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a modular ring main unit, which solves the current issue where rainwater may splash into the interior of the ring main unit from the flat joint during rainy weather, affecting its internal operation.

[0006] The purpose and function of this modular ring main unit are achieved by the following specific technical means:

[0007] A modular ring main unit includes a base, side panels, and a rear panel. The surface of the base is fitted with a side protective strip. An inclined surface is formed on the outer side of the side protective strip. A mounting hole is formed on the inclined surface. A nut is installed inside the mounting hole. The lower part of the side panel and the rear panel is formed with a mounting groove. A bolt is installed inside the mounting groove. The bolt and nut are connected. The side panel and the rear panel are connected to the side protective strip by the cooperation of the bolt and nut.

[0008] Furthermore, there are two side panels and three side guard strips. The three side guard strips are located at the lower part of the two side panels and the rear panel, and the lower part of the two side panels and the rear panel are provided with an inner inclined surface that is adapted to the inclined surface.

[0009] Furthermore, guide strips are installed on the inclined surface of the side guard strip, and guide grooves are formed on the inner inclined surfaces of the side plate and the rear plate.

[0010] Furthermore, the guide strip and the guide groove have the same width and the same number, and the guide strip is located inside the guide groove.

[0011] Furthermore, a protective strip is also installed on the base, the protective strip has a protective bevel, a connecting shaft is installed at one end of the protective strip, and the protective strip is connected to an opening and closing door through the connecting shaft.

[0012] Furthermore, multiple connecting screws are installed on both sides of the rear plate, and the rear plate is connected to the two side plates via the multiple connecting screws. A top cover is provided on the upper part of the two side plates and the rear plate, and the top cover is connected to the two side plates and the rear plate via mounting screws.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, the inclined surface on the side protective strip and the protective inclined surface on the front protective strip, along with the inner inclined surface that cooperates with them, can prevent water from splashing into the interior of the cabinet, improve the overall sealing of the lower part, and provide a moisture-proof effect during use.

[0015] In this invention, the side panels, rear panel, and opening / closing door can be disassembled for easy transport. When installation is required, the base is placed stably, the inner inclined surface on the side panel aligns with the inclined surface on the side protective strip, and the side panel is installed. Then the rear panel is installed, and the rear panel and the two side panels are fixed with connecting screws. The opening / closing door is then installed, and finally the top cover is fastened on. The top cover and the two side panels are fixed to the rear panel with installation screws, thus achieving the purpose of convenient installation and transportation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall assembly of a modular ring main unit according to this utility model.

[0017] Figure 2 This is a schematic diagram of the overall rear side of a modular ring main unit according to this utility model.

[0018] Figure 3 This is an assembly diagram of the base portion of a modular ring main unit according to this utility model.

[0019] Figure 4 This is a top view of the base portion of a modular ring main unit according to this utility model.

[0020] Figure 5 This is a schematic diagram of the lower side panel of a modular ring main unit according to this utility model.

[0021] Figure 6 This is an enlarged schematic diagram of part A of a splicing ring main unit according to this utility model.

[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0023] 1. Base; 2. Front protective strip; 3. Protective inclined surface; 4. Connecting shaft; 5. Opening / closing door; 6. Side protective strip; 7. Inclined surface; 8. Mounting hole; 9. Nut; 10. Side plate; 11. Mounting groove; 12. Bolt; 13. Guide strip; 14. Inner inclined surface; 15. Guide groove; 16. Rear plate; 17. Connecting screw; 18. Top cover; 19. Mounting screw. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example:

[0028] As attached Figure 1 To be continued Figure 6 As shown:

[0029] This utility model provides a modular ring main unit, including a base 1, side plates 10, and a rear plate 16. A side protective strip 6 is installed on the surface of the base 1. An inclined surface 7 is provided on the outer side of the side protective strip 6. An installation hole 8 is provided on the inclined surface 7. A nut 9 is installed inside the installation hole 8. An installation groove 11 is provided at the lower part of the side plate 10 and the rear plate 16. A bolt 12 is installed inside the installation groove 11. The bolt 12 and the nut 9 are connected. The side plate 10 and the rear plate 16 are connected to the side protective strip 6 by the cooperation of the bolt 12 and the nut 9. The side plate 10 is gradually moved down so that the guide strip 13 enters the interior of the guide groove 15. Then the side plate 10 is pushed inward. When the outer surface of the side plate 10 is flush with the lower outer surface of the side protective strip 6, the movement stops. At this time, the inner inclined surface 14 and the inclined surface 7 are opposite. Then the bolt 12 is placed inside the installation groove 11. The connection between the side plate 10 and the side protective strip 6 can be fixed by the connection of the bolt 12 and the nut 9.

[0030] The cabinet consists of two side panels 10 and three side guard strips 6. The three side guard strips 6 are located at the lower part of the two side panels 10 and the rear panel 16. The lower part of the two side panels 10 and the rear panel 16 is provided with an inner inclined surface 14 that matches the inclined surface 7. Multiple connecting screws 17 are installed on both sides of the rear panel 16. The rear panel 16 is connected to the two side panels 10 by the multiple connecting screws 17. A top cover 18 is provided on the upper part of the two side panels 10 and the rear panel 16. The top cover 18 is connected to the two side panels 10 and the rear panel 16 by the mounting screws 19. The rear panel 16 and the two side panels 10 are fixed together by the connecting screws 17. Then, the opening and closing door 5 is installed. Finally, the top cover 18 is fastened and the top cover 18 and the two side panels 10 are fixed to the rear panel 16 by the mounting screws 19, so that the cabinet is assembled.

[0031] Among them, guide strips 13 are installed on the inclined surface 7 of the side guard strip 6, and guide grooves 15 are opened on the inner inclined surface 14 of the side plate 10 and the rear plate 16. The width of the guide strips 13 and the guide grooves 15 are matched and the number is the same. The guide strips 13 are located inside the guide grooves 15. The guide strips 13 and the guide grooves 15 cooperate to ensure that the two ends of the side plate 10 and the rear plate 16 will not shift when they move, which facilitates installation.

[0032] The base 1 is also equipped with a protective strip 2, which has a protective bevel 3. One end of the protective strip 2 is equipped with a connecting shaft 4, and the protective strip 2 is connected to an opening and closing door 5 through the connecting shaft 4. The protective bevel 3 on the protective strip 2 can prevent water from splashing into the interior of the cabinet.

[0033] The specific usage and function of this embodiment are as follows:

[0034] During installation, the base 1 is first placed stably, and then the side plate 10 is installed. The inner inclined surface 14 on the side plate 10 is aligned with the inclined surface 7 on the side protective strip 6, and the guide strip 13 is aligned with the guide groove 15. The side plate 10 is gradually lowered so that the guide strip 13 enters the guide groove 15. The side plate 10 is then pushed inwards until its outer surface is flush with the lower outer surface of the side protective strip 6. At this point, the inner inclined surface 14 and the inclined surface 7 are aligned. Finally, the bolt 12 is inserted into the mounting groove 11 and installed using the bolts. Connect nut 12 and nut 9 to fix the connection between side panel 10 and side guard strip 6. After the above steps, install back panel 16 again. After the back panel 16 is installed, fix back panel 16 and two side panels 10 with connecting screw 17. Then install opening and closing door 5. Finally, put on top cover 18 and fix top cover 18 and two side panels 10 to back panel 16 with installation screw 19. The inclined surface 7 on side guard strip 6 and the protective inclined surface 3 on front guard strip 2 can prevent water from splashing into the cabinet and improve the overall use effect.

[0035] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A modular ring main unit, comprising a base (1), side panels (10), and a rear panel (16), characterized in that: The base (1) is equipped with a side guard strip (6). An inclined surface (7) is provided on the outer side of the side guard strip (6). An installation hole (8) is provided on the inclined surface (7). A nut (9) is installed inside the installation hole (8). An installation groove (11) is provided at the lower part of the side plate (10) and the rear plate (16). A bolt (12) is installed inside the installation groove (11). The bolt (12) and the nut (9) are connected. The side plate (10) and the rear plate (16) are connected to the side guard strip (6) by the bolt (12) and the nut (9).

2. The modular ring main unit as described in claim 1, characterized in that: There are two side plates (10) and three side guard strips (6). The three side guard strips (6) are located at the lower part of the two side plates (10) and the rear plate (16), and the lower part of the two side plates (10) and the rear plate (16) are provided with an inner inclined surface (14) that is adapted to the inclined surface (7).

3. The modular ring main unit as described in claim 1, characterized in that: A guide strip (13) is installed on the inclined surface (7) of the side guard strip (6), and a guide groove (15) is provided on the inner inclined surface (14) of the side plate (10) and the rear plate (16).

4. The modular ring main unit as described in claim 3, characterized in that: The guide strip (13) and the guide groove (15) are matched in width and have the same number, and the guide strip (13) is located inside the guide groove (15).

5. The modular ring main unit as described in claim 1, characterized in that: The base (1) is also equipped with a positive protective strip (2), the positive protective strip (2) has a protective inclined surface (3), one end of the positive protective strip (2) is equipped with a connecting shaft (4), and the positive protective strip (2) is connected to an opening and closing door (5) through the connecting shaft (4).

6. The modular ring main unit as described in claim 2, characterized in that: Multiple connecting screws (17) are installed on both sides of the rear plate (16). The rear plate (16) is connected to the two side plates (10) by the multiple connecting screws (17). A top cover (18) is provided on the upper part of the two side plates (10) and the rear plate (16). The top cover (18) is connected to the two side plates (10) and the rear plate (16) by mounting screws (19).

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