Ring main unit
By designing a locking system for split hanging plates, side plates and lock plate action guide columns in the ring net cabinet, the problems of low safety and high replacement cost of ring net cabinet doors are solved, and higher safety is achieved and reduce maintenance costs.
Patent Information
- Application Number
- CN202421192514.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Because the cabinet doors of the ring net cabinet are hooked, they lack door lock structure, are not safe, and the hook load bearing is easy to damage, and the replacement cost is high.
A front lower door assembly of the ring net cabinet is designed, including the front lower door, hanging plate and lock plate. The hanging plate and side plate are designed separately for easy replacement. The lock plate locks the front lower door through the action guide column. and unlock.
It effectively improves the safety of the ring grid cabinet, prevents the cabinet door from being opened by mistake, and reduces maintenance costs. The split design of the hanging plate and the side plate is easy to replace, and the action guide column design of the lock plate achieves efficient locking and unlocking.
Smart Images

Figure CN222508562U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a ring network cabinet. Background Art
[0002] The ring main unit is a high-voltage switchgear, mainly used for ring main unit power supply. It is usually installed in a steel plate metal cabinet or made into an assembled interval ring main unit. In order to prevent frequent movements of outsiders and to maintain the firmness of the cabinet door structure, the bottom cabinet door of the ring main unit is often connected to the cabinet body by means of a hanger, and the hook is directly welded to the cabinet door docking frame. This structure still has the following problems in actual use: 1. Due to the hanging method, the cabinet door does not have a door lock structure, and it is still easy to be opened by outsiders by mistake, and the safety is not high; 2. The hook is load-bearing and is easily damaged over time. Since the existing hook is integrated with the cabinet door frame, the replacement cost is high, and improvements and optimizations are made for this. Utility Model Content
[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a ring network cabinet with high safety.
[0004] The technical solution adopted by the utility model ring network cabinet: includes a ring network cabinet side plate assembly and a ring network cabinet front lower door assembly, characterized in that the ring network cabinet front lower door assembly includes a front lower door, a hanging plate and a lock plate, the hanging plate includes a hanging plate mounting portion and a hanging plate hook portion arranged on the hanging plate mounting portion from top to bottom, the hanging plate hook portion is provided with a hanging interface and a hanging plate limiting groove for limiting the left and right movement of the lock plate, the lock plate is provided with a lock plate yielding opening corresponding to the hanging interface, a lock plate locking protrusion and a lock plate action guide column, the front lower door is provided with a front lower door hanging hole for the hanging plate hook portion to pass through and be hung on the lock plate yielding opening and a front lower door lock hole for locking the lock plate locking protrusion;
[0005] The ring network cabinet side panel assembly includes a side panel, and the side panel includes a side panel body. The front end of the side panel body is vertically bent inward to form a side panel docking portion. The hanging plate mounting portion is fixed in the side panel. The side panel docking portion is provided with a side panel hanging through hole for the hanging plate hook portion to pass through. The side panel body is provided with a locking guide hole for limiting the movement of the locking plate action guide column, and the locking guide hole is a waist-shaped hole arranged horizontally.
[0006] The ring network cabinet side panel assembly also includes a guide column lock, and the side panel body is provided with a lock positioning column just above the end of the locking guide hole, the upper end of the guide column lock can be movably mounted on the lock positioning column up and down, and the lower end of the guide column lock is provided with a lock arc lock mouth for locking the guide column for locking the lock plate action.
[0007] The thickness of the locking plate is the same as the thickness of the hanging plate limiting groove.
[0008] The lower end of the hanging plate hook portion is provided with a hanging plate anti-recoil recess for preventing retreat and corresponding to the side plate hanging through hole.
[0009] The width and depth of the lock plate's yield opening are both greater than the width and depth of the hanging opening.
[0010] The front lower door comprises a front lower door body, and the left and right ends of the front lower door body are bent vertically inward in sequence to form a front lower door side portion, a front lower door inner docking portion and a front lower door reinforcement portion, and the front lower door inner docking portion is provided with the front lower door hanging hole and the front lower door lock hole.
[0011] The advantages of the ring network cabinet of the utility model are: the hanging plate and the side plate adopt a split design, which is convenient for replacement in case of damage in the later stage and effectively reduces the maintenance cost; after the lock plate is hung on the hook part of the hanging plate, the lock plate movement guide column is controlled to move left and right to achieve locking and unlocking of the front lower door, effectively preventing the front lower door from being opened by mistake, and having higher safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0013] Figure 1 It is a structural schematic diagram of the ring main unit of the utility model;
[0014] Figure 2 This is an exploded view of the front lower door assembly of the utility model ring main unit;
[0015] Figure 3 It is a structural schematic diagram of the hanging board of the utility model;
[0016] Figure 4 yes Figure 3 A magnified image of
[0017] Figure 5 It is a structural schematic diagram of the lock plate of the utility model;
[0018] Figure 6 It is a structural schematic diagram of the front lower door of the utility model;
[0019] Figure 7 yes Figure 6 A magnified image of
[0020] Figure 8 It is a structural schematic diagram of the side plate assembly of the ring main unit of the utility model;
[0021] Fig. 9 yes Figure 8 Magnified image of . DETAILED DESCRIPTION
[0022] like Figure 1-9As shown, the ring network cabinet involved in the utility model includes a ring network cabinet side panel assembly 1 and a ring network cabinet front lower door assembly 2, the ring network cabinet front lower door assembly 2 includes a front lower door 4, a hanging plate 5 and a lock plate 6, the hanging plate 5 includes a hanging plate mounting portion 8 and a hanging plate hook portion 9 arranged on the hanging plate mounting portion 8 from top to bottom, the hanging plate hook portion 9 is provided with a hanging interface 10 and a hanging plate limiting groove 11 for limiting the left and right movement of the lock plate 6, the lock plate 6 is provided with a lock plate yielding opening 14 corresponding to the hanging interface 10, a lock plate locking protrusion 15 and a lock plate action guide column 16, the front lower door 4 is provided with a front lower door hanging hole 18 for the hanging plate hook portion 9 to pass through and be hung on the lock plate yielding opening 14 and a front lower door lock hole 19 for locking the lock plate locking protrusion 15; the ring network cabinet side panel Component 1 includes a side panel, which includes a side panel body 21. The front end of the side panel body 21 is vertically bent inward to form a side panel docking portion 22. The hanging plate mounting portion 8 is fixed in the side panel. The side panel docking portion 22 is provided with a side panel hanging through hole 23 for the hanging plate hook portion 9 to pass through. The side panel body 21 is provided with a locking guide hole 24 for limiting the movement of the lock plate action guide column 16. The locking guide hole 24 is a waist-shaped hole arranged horizontally. The hanging plate 5 and the side panel adopt a split design, which is convenient for replacement in case of damage later, and effectively reduces maintenance costs. After the front lower door 4 is hung on the hanging plate hook portion 9, the lock plate 6 can be locked and unlocked by manipulating the lock plate action guide column 16 to move left and right, thereby effectively preventing the front lower door 4 from being opened by mistake, and providing higher safety.
[0023] The ring network cabinet side panel assembly 1 also includes a guide column lock 26, and the side panel body 21 is provided with a lock positioning column 27 just above the end of the locking guide hole 24. The upper end of the guide column lock 26 can be movably mounted on the lock positioning column 27 up and down, and the lower end of the guide column lock 26 is provided with a lock arc lock mouth 28 for locking the lock plate action guide column 16, which further limits the lock plate action guide column 16 to prevent it from being displaced by external factors such as vibration. The lock plate action guide column 16 is unlocked by moving the guide column lock 26 upward, thereby further strengthening protection and improving safety.
[0024] The thickness of the locking plate 6 is the same as that of the hanging plate limiting groove 11 , and the locking plate 6 is embedded and compact in structure.
[0025] The lower end of the hanging plate hook portion 9 is provided with a hanging plate anti-return recess 12 for preventing retreat and corresponding to the side plate hanging through hole 23, so that the positioning is accurate and the structure is stable and reliable.
[0026] The width and depth of the lock plate clearance opening 14 are greater than the width and depth of the hanging opening 10 and will not affect normal movement.
[0027] The front lower door 4 includes a front lower door body 30, and the left and right ends of the front lower door body 30 are bent vertically inward in sequence to form a front lower door side portion 31, a front lower door inner docking portion 32 and a front lower door reinforcement portion 33, and the front lower door inner docking portion 32 is provided with the front lower door hanging hole 18 and the front lower door lock hole 19.
[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. A ring main unit, comprising a ring main unit side panel assembly (1) and a ring main unit front lower door assembly (2), characterized in that: The front lower door assembly (2) of the ring network cabinet comprises a front lower door (4), a hanging plate (5) and a locking plate (6); the hanging plate (5) comprises a hanging plate mounting portion (8) and a hanging plate hook portion (9) arranged on the hanging plate mounting portion (8) from top to bottom at intervals; the hanging plate hook portion (9) is provided with a hanging interface (10) and a hanging plate limiting groove (11) for limiting the left and right movement of the locking plate (6); the locking plate (6) is provided with a locking plate yielding opening (14) corresponding to the hanging interface (10), a locking plate locking protrusion (15) and a locking plate action guide column (16); the front lower door (4) is provided with a front lower door hanging hole (18) for the hanging plate hook portion (9) to pass through and be hung on the locking plate yielding opening (14) and a front lower door lock hole (19) for the locking plate locking protrusion (15) to lock; The ring main unit side panel assembly (1) comprises a side panel, wherein the side panel comprises a side panel body (21), the front end of the side panel body (21) is vertically bent inward to form a side panel docking portion (22), the hanging panel mounting portion (8) is fixed in the side panel, the side panel docking portion (22) is provided with a side panel hanging through hole (23) for the hanging panel hook portion (9) to pass through, and the side panel body (21) is provided with a locking guide hole (24) for limiting the movement of the locking plate action guide column (16), and the locking guide hole (24) is a waist-shaped hole arranged horizontally.
2. The ring main unit according to claim 1, characterized in that: The ring main unit side plate assembly (1) further comprises a guide column lock (26); the side plate body (21) is provided with a lock positioning column (27) just above the end of the locking guide hole (24); the upper end of the guide column lock (26) is movably mounted on the lock positioning column (27) and the lower end of the guide column lock (26) is provided with a lock arc lock opening (28) for locking the guide column (16) for locking the locking plate.
3. The ring main unit according to claim 1, characterized in that: The thickness of the locking plate (6) is the same as the thickness of the hanging plate limiting groove (11).
4. The ring main unit according to claim 1, characterized in that: The lower end of the hanging plate hook portion (9) is provided with a hanging plate anti-return recess (12) for preventing retreat and corresponding to the side plate hanging through hole (23).
5. The ring main unit according to claim 1, characterized in that: The width and depth of the lock plate clearance opening (14) are both greater than the width and depth of the hanging opening (10).
6. The ring main unit according to claim 1, characterized in that: The front lower door (4) comprises a front lower door body (30), the left and right ends of the front lower door body (30) are vertically bent inwards in sequence to form a front lower door side portion (31), a front lower door inner docking portion (32) and a front lower door reinforcement portion (33), and the front lower door inner docking portion (32) is provided with the front lower door hanging hole (18) and the front lower door locking hole (19).