Novel closed fixed cabinet
By using bent angle profiles and bolted connections of the frame plate, as well as sealing strip design, the problems of poor protection level and welding difficulties in existing AC low-voltage distribution cabinets have been solved, achieving efficient sealing and easy maintenance of the enclosed fixed cabinet.
Patent Information
- Application Number
- CN202520407653.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing AC low-voltage distribution cabinets have poor protection levels, and the welding process makes them difficult to process and highly dangerous. They are also difficult to disassemble and assemble, and gaps are easily formed during maintenance.
The outer shell is constructed using bent angle profiles and frame panels, and is fixed with bolts. Combined with sealing strips and hinged joints, it forms a closed and easily disassembled structure, avoiding the need for welding.
It achieves efficient sealing and isolation, reduces production difficulty, improves safety and maintenance convenience, and provides a good operating view.
Smart Images

Figure CN223912115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the electrical cabinet body design technical field, concretely relates to a novel closed fixed cabinet. BACKGROUND
[0002] The existing alternating current low voltage distribution cabinet process is old, the protection level is poor, the operation is laborious, and assembling is complicated, especially in order to reach the protection level, many electrical cabinets adopt welding process to connect between sheet metals in order to realize the closure, the welding design is not only difficult, dangerous and high in harmfulness in processing and production, and in the subsequent use and maintenance process, dismounting is not easy, and after long time use, the welding position is prone to gaps under stress. SUMMARY
[0003] The utility model discloses a novel closed fixed cabinet, which overcomes the above defects and meets the rapid development requirements in the field of power infrastructure.
[0004] In order to achieve the above object, the utility model adopts the technical scheme of a novel closed fixed cabinet, which comprises an outer shell body, the outer shell body comprises a bent angle section bar and a framework plate, the framework plate is fixed on the bent angle section bar by bolts to form the outer shell body, the framework plate comprises a front opening and closing door plate and three side plates on the other three sides, the framework plate is provided with a top cover and a closing plate at the top and bottom of the outer shell body respectively, and a sealing strip is further clamped between the framework plate and the bent angle section bar to form a sealing installation structure between the inside and outside of the outer shell body.
[0005] As a further setting of the above scheme, the bent angle section bar comprises a vertical column and an angle plate, the bent angle section bar is further provided with a connecting piece at the bottom and top of the outer shell body, and the connecting piece is used for intervening in the closed connection of the angle plate and the angle plate and the angle plate and the vertical column.
[0006] As a further setting of the above scheme, the closing plate is bolted and fixed with the angle plates of four edges, a sealing strip is arranged between the angle plate and the closing plate, the top cover is fixed outside the closing plate at the top, and screw holes are arranged on the two ends of the angle plate and the connecting piece to be connected and fixed on the vertical column.
[0007] As a further setting of the above scheme, a hinge joint hinge is arranged between the side plates, and the sealing strips between the side plates and the opening and closing door plate and the bent angle section bar are annular, and one side of the sealing strip base is adhesively fixed with the side plate.
[0008] As a further setting of the above scheme, a mounting notch is arranged on the side plate, the hinge joint hinge is inserted into the mounting notch and is screw-locked mounted from the inside of the side plate, and the screw is locked outside the sealing strip.
[0009] As a further arrangement of the above-mentioned scheme, the cable access interface is arranged on the side plate of the frame plate opposite to the opening and closing door plate, and the bolt plate is fixed between the side plate and the bent angle profile by bolts, and the bolts are located inside the sealing strip on the opposite side plate.
[0010] As a further arrangement of the above-mentioned scheme, the bent angle profile is further provided with a plurality of fixing holes, and the electrical backplane is connected and installed by a Z-shaped plate.
[0011] Beneficial effects: the closed fixed cabinet of the utility model is composed of the bent angle profile and the frame plate, the inside and outside of the shell body structure of the embodiment are relatively closed and isolated, a closed isolation structure is formed to meet the working condition requirements, in addition, the bent angle profile and the frame plate of the embodiment are matched, welding process is not needed to reduce the production difficulty, safety and stability are improved, the convenience of fixing, maintenance and repair is improved, and the hinge detachable side plate is further arranged to provide a more convenient operation field during maintenance and repair, and has good use prospect. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a structural schematic diagram of the closed fixed cabinet of the utility model.
[0013] Fig. 2 It is a structural schematic diagram of the shell body of the embodiment.
[0014] Fig. 3 It is a structural schematic diagram of the bent angle profile frame of the embodiment.
[0015] Fig. 4 It is a structural schematic diagram of the frame bottom sealing structure of the embodiment.
[0016] Fig. 5 It is a structural schematic diagram of the frame bottom sealing structure of the embodiment.
[0017] Fig. 6 It is a structural schematic diagram of the bent angle profile frame of the embodiment.
[0018] Reference signs: 1, shell body; 11, bent angle profile; 111, stand column; 112, corner plate; 12, frame plate; 14, side plate; 141, hinge hinge; 142, bolt plate; 145, mounting slot; 17, connecting piece; 171, screw hole; 18, sealing strip; 19, fixing hole; 2, opening and closing door plate; 3, top cover; 4, closing plate; 6, electrical backplane; 61, Z-shaped plate. DETAILED DESCRIPTION
[0019] In order to enable the above-mentioned purpose, features and advantages of the present application to be more clearly understood, the present application will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0020] As shown in Figs. 1-6 A novel closed fixed cabinet, comprising an outer shell 1, the outer shell 1 comprises a bent corner section bar 11 and a framework plate 12, the framework plate 12 is fixed on the bent corner section bar 11 by bolts to cooperate to constitute the outer shell 1, the framework plate 12 comprises a front opening and closing door plate 2 and another three sides of the side plate 14, the framework plate 12 is provided with a top cover 3 and a closing plate 4 at the top and bottom of the outer shell 1 respectively, and a sealing strip 18 is further clamped between the framework plate 12 and the bent corner section bar 11 to form a sealing installation structure between the inside and outside of the outer shell 1.
[0021] As a further arrangement of the above-mentioned scheme, the bent corner section bar 11 comprises a column 111 and an angle plate 112, the bent corner section bar 11 is further provided with a connecting piece 17 at the bottom and top of the outer shell 1, the connecting piece 17 is used for intervening the angle plate 112 and the angle plate 112 and the angle plate 112 and the column 111 to close the connection angle.
[0022] As a further arrangement of the above-mentioned scheme, the closing plate 4 is connected with the four corner angle plates 112, and a sealing strip 18 is arranged between the angle plate 112 and the closing plate 4 for sealing, the top cover 3 is fixed outside the closing plate 4 at the top, and the two ends of the angle plate 112 are provided with screw holes 171 on the connecting piece 17 and connected on the column 111.
[0023] As a further arrangement of the above-mentioned scheme, a hinge leaf 141 is arranged between the side plates 14, the sealing strip 18 between the side plate 14 and the bent corner section bar 11 is annular, and one end is fixed on the side plate 14, a mounting slot 145 is arranged on the side plate 14, the hinge leaf 141 is inserted into the mounting slot 145 and is screw-locked from the inside of the side plate 14, and the screw is located on the outside of the sealing strip 18.
[0024] As a further arrangement of the above-mentioned scheme, a cable access interface is arranged on the side plate 14 of the framework plate 12 relative to the opening and closing door plate 2, a bolt plate 142 is arranged on the side plate 14 and is fixed with the bent corner section bar 11 by bolts, and the bolts are located on the inside of the sealing strip 18 relative to the side plate 14.
[0025] As a further arrangement of the above-mentioned scheme, an electrical bottom plate 6 for mounting electrical components is arranged in the outer shell 1, a plurality of fixing holes 19 are further arranged on the bent corner section bar 11, and the electrical bottom plates 6 are connected and mounted by Z-shaped plates 61. Embodiment
[0026] Reference Figs. 1-3 The closed fixed cabinet of the utility model comprises a bent angle section bar 11, side plates 14, an open-close door plate 2, a top cover 3 and a closing plate 4, wherein the bent angle section bar 11 comprises a stand column 111 and an angle plate 112, the two ends of the angle plate 112 are fixed to the stand column 111 through bolts to form a square frame structure, the open-close door plate 2 is installed on the front face of the square frame structure through an open-close door lock and a hinged structure, the left and right sides and the back of the square frame structure are closed by the side plates 14, and a sealing strip 18 is arranged between the open-close door plate 2 and the side plates 14 and the bent angle section bar 11, the vertical part of the sealing strip 18 abuts between the open-close door plate 2 and the side plates 14 and the stand column 111, and the horizontal part of the sealing strip 18 abuts between the open-close door plate 2 and the side plates 14 and the angle plate 112, so that the annular sealing strip 18 forms a closed space, further, connecting pieces 17 are arranged between the angle plates 112 and the connecting parts of the angle plates 112 and the stand column 111, the connecting pieces 17 are padded at the three-angled parts by using silica gel material, and are used for closing the gaps on the angle, so that the sealing of the annular sealing strip 18 forms a basically closed cavity, the closing plate 4 is installed, and after the open-close door plate 2 is closed, the inside of the fixed cabinet is relatively sealed and isolated from the outside, and the use requirement is achieved.
[0027] Further, the three side plates 14 of the embodiment are further provided with hinged hinges 141, the middle part of the hinged hinges 141 is exposed, the hinge pieces are inserted into the pre-set installation notches 145 in the side plates 14 and are fixed through screws, then after the side plates 14 are turned over and pressed on the bent angle section bar 11, the bolts are passed through the stand columns 111 from the inside to imprison the bolt plates 142 on the side plates 14, the fastening and installation of the side plates 14 are completed, the hinged hinges 141 are arranged for the purpose of expansion during maintenance, when the side plates 14 are installed, the rear side plate 14 is installed first, then the left and right side plates 14 are connected from the side through the hinged hinges 141, and then the three are installed by swinging, when maintenance is performed, the open-close door plate 2 on the front face is opened, then tools are inserted from the front face, the fixing bolt of the side plate 14 close to the open-close door plate 2 and the upper and lower sides are removed, the installation of the left and right side plates 14 is released, the left and right side plates 14 can be hinged and swung, the closed fixed cabinet can be opened when needed, and the operation visual field is expanded.
[0028] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model scheme and equivalent technologies, the utility model also intends to include these modifications and variations.
Claims
1. A new type of closed fixed cabinet comprising an outer casing (1), characterized in that: The outer shell (1) includes a bent corner section (11) and a framework plate (12) which is fixed on the bent corner section (11) to form the outer shell (1), the framework plate (12) includes a front opening and closing door plate (2) and three side plates (14) on the other three sides, the framework plate (12) is provided with a top cover (3) and a closing plate (4) at the top and bottom of the outer shell (1) respectively, and a sealing strip (18) is further clamped between the framework plate (12) and the bent corner section (11) to form a sealing installation structure inside and outside the outer shell (1); The bent corner section (11) includes a column (111) and an angle plate (112), the bent corner section (11) is further provided with a connecting piece (17) at the bottom and top of the outer shell (1), and the connecting piece (17) is used for closing and connecting the angle plate (112) and the angle plate (112) and the column (111) between the angle plate (112) and the angle plate (112); The closing plate (4) is bolted and fixed with the four corner angle plates (112), and a sealing strip (18) is arranged between the angle plate (112) and the closing plate (4) for sealing, the top cover (3) is fixed outside the closing plate (4) at the top, and the both ends of the angle plate (112) are provided with screw holes (171) on the connecting piece (17) and are connected and fixed to the column (111).
2. A new closed fixed cabinet according to claim 1, characterized in that: The hinge leaves (141) are arranged between the side plates (14), and the sealing strips (18) between the side plates (14) and the opening and closing door plate (2) and the bent corner section (11) are annular, and the bottom side of the sealing strip (18) is adhesively fixed to the side plate (14).
3. A new closed fixed cabinet according to claim 2, characterized in that: The side plates (14) are provided with mounting notches (145), the hinge leaves (141) are inserted into the mounting notches (145) and are screw-locked from the inside of the side plates (14), and the screws are locked outside the sealing strips (18).
4. A new closed fixed cabinet according to claim 1, characterized in that: The side plates (14) are provided with screw plates (142) and the bent corner section (11) is bolted between the screw plates (142), and the screws are located inside the sealing strips (18) on the opposite side plates (14).
5. A new closed fixed cabinet as claimed in claim 1, wherein: The outer shell (1) is provided with an electrical bottom plate (6) for mounting electrical components, and the bent corner section (11) is further provided with a plurality of fixing holes (19), and the electrical bottom plates (6) are connected and mounted by Z-shaped plates (61).