Ring main unit
The design of the plug-in and interlocking structures solves the problem of complicated installation and disassembly of the ring main unit doors, enabling quick installation and disassembly, and enhancing the strength and aesthetics of the connection.
Patent Information
- Application Number
- CN202222964004.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2032-11-03
AI Technical Summary
The installation and disassembly of existing ring main unit doors are cumbersome, and bolts are easily lost, making assembly and disassembly inconvenient.
It adopts a plug-in structure and an interlocking structure. The plug-in structure connects the cabinet door to the cabinet body, and the cam-driven transmission component drives the locking hook to realize the quick installation and removal of the cabinet door. Combined with the n-type door handle design, it can prevent the cabinet door from being worn.
It enables quick installation and removal of cabinet doors, enhances the strength of the connection, prevents wear and tear on the cabinet doors, and improves the convenience and aesthetics of operation.
Smart Images

Figure CN223884824U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ring main unit technical field, concretely relates to a ring main unit. BACKGROUND
[0002] Ring main unit is a group of power transmission and distribution electrical equipment is installed in metal or nonmetal insulation cabinet or is made into the electrical equipment of assembled interval type ring network power supply unit.
[0003] The ring main unit includes a cabinet body, and a cabinet door for sealing is arranged on the cabinet body, the cabinet door on the existing ring main unit is fixed and installed on the cabinet body by a plurality of bolts, so that the cabinet door needs to be screwed when being installed and disassembled, and the assembly and disassembly are troublesome, and too many bolts are easy to lose. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model solves the technical problem of overcoming the defect that the cabinet door is complicated to install and disassemble in the prior art, so as to provide a ring main unit with quick and convenient cabinet door installation and disassembly.
[0005] Therefore, the utility model provides a ring main unit, which comprises a cabinet body, an operating mechanism and a connecting structure, the cabinet body is provided with the operating mechanism and a cabinet door for sealing, the cabinet door is connected to the cabinet body door frame through plug-in structure from top to bottom, the operating mechanism is provided with an earthing operating shaft for controlling the opening and closing of an earthing switch, a cam is arranged on the earthing operating shaft, a locking structure is arranged between the earthing operating shaft and the cabinet door, the locking structure comprises a transmission assembly and a lock hook which is arranged on one side of the transmission assembly and can move in the vertical direction, one end of the transmission assembly away from the lock hook is in abutment with the cam, the transmission assembly is driven by the cam, the lock hook can be inserted into a plug hole on the cabinet door, the lock hook has an unlocking state in which the earthing operating shaft is in the closed state and the lock hook is separated from the plug hole, and a locking state in which the cam drives the transmission assembly to move when the earthing operating shaft moves towards the opening position, so that the lock hook moves downwards and abuts against the bottom wall of the plug hole.
[0006] The transmission assembly comprises a transmission rod which is rotatable and arranged on the operating mechanism, and a linkage member which is driven by the transmission rod, and one end of the transmission rod away from the linkage member is in abutment with the cam.
[0007] The linkage member is provided with a bracket which is fixedly installed on the operating mechanism, and a connecting piece which is arranged in the bracket, a guide rod for allowing the connecting piece to move in the vertical direction is arranged on the bracket, one end of the connecting piece is connected with the transmission rod, and the other end is connected with the lock hook.
[0008] The connecting piece is connected with the transmission rod through a mounting structure, the mounting structure comprises a second plug and a long slot, the second plug is arranged on the side plate of the connecting piece, and the long slot is arranged on the transmission rod and can be inserted by the second plug, the long slot extends in the horizontal direction, and the second plug can move in the long slot.
[0009] The plug-in structure comprises a plurality of first plugs and a plurality of first slots, the plurality of first plugs are arranged on the inner walls of the two sides of the cabinet door and are arranged at intervals in the vertical direction, and the plurality of first slots are arranged on the two sides of the door frame and can be plugged with the first plugs, and the first slots extend in the vertical direction.
[0010] The first slot is provided with an opening on the side away from the interior of the cabinet body, and the first plug can be inserted into the opening.
[0011] The cabinet door is provided with a door handle, the door handle can be hung on the door handle of the adjacent cabinet door, and the door handle is arranged in an n-shaped mode.
[0012] The top surface of the door handle is arranged to be inclined upward from one side of the cabinet door to the outside, and the top surface of the door handle is arranged to be higher than the top surface of the cabinet door.
[0013] The technical scheme of the utility model has the following advantages:
[0014] 1. The ring main unit provided by the utility model comprises a cabinet body, an operating mechanism and a interlocking structure, when installing, first align and insert the jack on the cabinet door with the lock hook, then install the cabinet door on the cabinet body through the plug-in structure, then turn the grounding operating shaft to the open position, make the cam drive transmission assembly act, thereby driving the lock hook to move downward and abut against the bottom wall of the jack to complete the installation; when disassembling, turn the grounding operating shaft to the closed position, separate the cam from the transmission assembly, so that the transmission assembly is not stressed, thereby separating the lock hook from the bottom wall of the jack, then separate the cabinet door from the cabinet body through the plug-in structure, and finally separate the jack from the lock hook to complete the disassembly, compared with the prior art which is installed and disassembled through a plurality of bolts, the utility model is more convenient and faster to assemble and disassemble.
[0015] 2. The ring main unit provided by the utility model, the plug-in structure comprises a plurality of first plugs and a plurality of first slots, the plurality of first plugs are arranged on the inner walls of the two sides of the cabinet door and are arranged at intervals in the vertical direction, and the plurality of first slots are arranged on the two sides of the door frame and can be plugged with the first plugs, and the first slots extend in the vertical direction, the plug-in structure is convenient for the cabinet door to be installed on the cabinet body, and the plurality of first plugs and the plurality of first slots which are plugged together can make the cabinet door and the cabinet body be connected more firmly.
[0016] 3. The ring main unit has the door handle on the cabinet door, the door handle can be hung on the door handle of the adjacent cabinet door, and the door handle is arranged in an n shape, so that the cabinet door can be prevented from being taken off and placed on the ground, and the identification and elements on the cabinet door are prevented from being abraded.
[0017] 4. The ring main unit has the door handle on the cabinet door, the door handle can be hung on the door handle of the adjacent cabinet door, and the door handle is arranged in an n shape, so that the cabinet door can be prevented from being taken off and placed on the ground, and the identification and elements on the cabinet door are prevented from being abraded. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0019] Figure 1 It is a perspective view of the first ring main unit of the utility model;
[0020] Figure 2 It is a perspective view of the first ring main unit of the utility model; Figure 1 It is a sectional view;
[0021] Figure 3 It is a sectional view; Figure 2 It is a structure enlarged schematic view of the A part;
[0022] Figure 4 It is a sectional view of another angle; Figure 1
[0023] Figure 5 It is a structure enlarged schematic view of the B part; Figure 4
[0024] Figure 6 It is a structure enlarged schematic view of the C part; Figure 4
[0025] Figure 7 It is a perspective view of the cabinet door.
[0026] The reference signs are explained as follows: 1, cabinet body;11, door frame;12, first slot;13, opening;2, operating mechanism;21, grounding operating shaft;22, cam;3, cabinet door;31, insertion hole;32, first insertion block;4, lock hook;5, transmission rod;51, long slot;6, linkage;61, support;62, connecting piece;63, guide rod;64, second insertion block;7, door handle. DETAILED DESCRIPTION
[0027] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.
[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.
[0031] Embodiment
[0032] The present embodiment provides a ring netowrk cabinet, as shown in 1-3, comprising a cabinet body 1, an operating mechanism 2 and a interlocking structure.
[0033] The cabinet body 1, as shown in Figure 1 , 5, 6, 7, with operating mechanism 2 and for sealing cabinet door 3, the door 3 and the door frame 11 between the upper and lower insertion connection by plug-in structure, the plug-in structure package a plurality of first plug 32 and a plurality of first slot 12, a plurality of first plug 32 is provided on both sides of the cabinet door 3 inner wall, and is arranged along the vertical direction; a plurality of first slot 12 is provided on both sides of the door frame 11, which can be adapted to the first plug 32 plug-in, the first slot 12 extends along the vertical direction. The first slot 12 away from the inside of the cabinet 1 side is provided with a first plug 32 insertion opening 13, the cabinet door 3 to the inside of the cabinet side is provided with a hole 31, the cabinet door 3 is provided with a door handle 7, the door handle 7 can be hung on the adjacent cabinet door 3 door handle 7, the door handle 7 is n type setting, the top surface of the door handle 7 from the side of the cabinet door 3 outwardly inclined upwardly, and the top surface of the door handle 7 is higher than the top surface of the cabinet door 3 setting.
[0034] Operating mechanism 2, such as Figure 2 and 3 The operating mechanism 2, with the ground operation shaft 21 for controlling the grounding switch opening and closing, the ground operation shaft 21 on the sleeve set with cam 22.
[0035] Interlocking structure, such as Figures 2-5 The interlocking structure is provided between the ground operation shaft 21 and the cabinet door 3, the interlocking structure includes a transmission assembly, and a lock hook 4 provided on one side of the transmission assembly and movable along the vertical direction, the transmission assembly away from the lock hook 4 one end with the cam 22, the transmission assembly is driven by the cam 22, the lock hook 4 can be inserted into the hole 31 on the cabinet door 3, the lock hook 4 has a unlocking state when the grounding operation shaft 21 is in the closed state, and the hole 31 of the cabinet door 3 is separated, and when the grounding operation shaft 21 moves towards the opening position, the cam 22 drives the transmission assembly to move, thereby driving the lock hook 4 to move downwardly and abut against the bottom wall of the hole 31 in the locking state.
[0036] Transmission structure, such as Figures 2-5As shown, the device comprises a transmission rod 5 rotatably arranged on the operating mechanism 2, and a linkage 6 driven by the transmission rod 5, and the end of the transmission rod 5 away from the linkage 6 is in abutment with the cam 22. The linkage 6 has a bracket 61 fixedly arranged on the operating mechanism 2, and a connecting piece 62 arranged in the bracket 61, and the bracket 61 is provided with a guide rod 63 for the connecting piece 62 to move in the vertical direction, and one end of the connecting piece 62 is connected with the transmission rod 5 and the other end is connected with the lock hook 4. The connecting piece 62 is connected with the transmission rod 5 through a mounting structure, and the mounting structure comprises a second insertion block 64 arranged on the side plate of the connecting piece 62 and a long slot 51 arranged on the transmission rod 5 and capable of inserting the second insertion block 64, and the long slot 51 extends in the horizontal direction and the second insertion block 64 can move in the long slot 51.
[0037] The working principle is as follows, during installation, the lock hook 4 is first inserted into the insertion hole 31 of the cabinet door 3, then the first insertion block 32 is inserted into the first insertion slot 12, and then the grounding operating shaft 21 is turned to the open position, so that the cam 22 drives the transmission rod 5 to rotate, thereby driving the connecting piece 62 to move downward, so that the lock hook 4 arranged on the connecting piece 62 moves downward and abuts against the bottom wall of the insertion hole 31 to complete the installation; during disassembly, the grounding operating shaft 21 is turned to the closed position, so that the cam is separated from the transmission rod 5, thereby making the connecting piece 62 not subjected to downward force, so that the lock hook 4 is separated from the bottom wall of the insertion hole 31, then the first insertion block 32 is separated from the first insertion slot 12, and finally the insertion hole 31 is separated from the lock hook 4 to complete the disassembly.
[0038] The ring main unit provided by the utility model, comprising a cabinet body 1, an operating mechanism 2 and a interlocking structure, during installation, the insertion hole 31 on the cabinet door 3 is aligned with the lock hook 4 and is inserted, and the cabinet door 3 is installed on the cabinet body 1 through the plug-in structure, then the grounding operating shaft 21 is turned to the open position, so that the cam 22 drives the transmission assembly to act, thereby driving the lock hook 4 to move downward and abut against the bottom wall of the insertion hole 31 to complete the installation; during disassembly, the grounding operating shaft 21 is turned to the closed position, so that the cam 22 is separated from the transmission assembly, thereby making the transmission assembly not subjected to force, so that the lock hook 4 is separated from the bottom wall of the insertion hole 31, then the cabinet door 3 is separated from the cabinet body 1 through the plug-in structure, and finally the insertion hole 31 is separated from the lock hook 4 to complete the disassembly, so compared with the installation and disassembly mode through multiple bolts in the prior art, the installation and disassembly are more rapid and convenient.
[0039] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A ring main unit, characterized in that, include: The cabinet (1) has an operating mechanism (2) and a cabinet door (3) for sealing, wherein the cabinet door (3) is inserted into the door frame (11) of the cabinet (1) from top to bottom via a plug-in structure; The operating mechanism (2) has a grounding operating shaft (21) for controlling the opening and closing of the grounding switch, and a cam (22) is sleeved on the grounding operating shaft (21); An interlocking structure is provided between the grounding operating shaft (21) and the cabinet door (3). The interlocking structure includes a transmission component and a locking hook (4) located on one side of the transmission component and movable in the vertical direction. The end of the transmission component away from the locking hook (4) abuts against the cam (22). The transmission component is driven by the cam (22). The locking hook (4) can be inserted into the socket (31) on the cabinet door (3). The locking hook (4) has an unlocked state when the grounding operating shaft (21) is in the closed state and is separated from the socket (31) of the cabinet door (3). When the grounding operating shaft (21) moves toward the open position, the cam (22) drives the transmission component to move, thereby causing the locking hook (4) to move downward and abut against the bottom wall of the socket (31).
2. The ring main unit according to claim 1, characterized in that, The transmission assembly includes a rotatable transmission rod (5) mounted on the operating mechanism (2) and a linkage (6) driven by the transmission rod (5), wherein one end of the transmission rod (5) away from the linkage (6) abuts against the cam (22).
3. The ring main unit according to claim 2, characterized in that, The linkage (6) has a bracket (61) fixedly installed on the operating mechanism (2) and a connector (62) provided in the bracket (61). The bracket (61) is provided with a guide rod (63) that allows the connector (62) to move in the vertical direction. One end of the connector (62) is connected to the transmission rod (5) and the other end is connected to the locking hook (4).
4. The ring main unit according to claim 3, characterized in that, The connector (62) is connected to the transmission rod (5) via a mounting structure, the mounting structure comprising: The second insert (64) is disposed on the side plate of the connector (62); An elongated hole (51) is provided on the transmission rod (5) for the second insert (64) to be inserted. The elongated hole (51) extends horizontally, and the second insert (64) can move within the elongated hole (51).
5. The ring main unit according to claim 1, characterized in that, The plug-in structure includes: Multiple first inserts (32) are provided on the inner walls of both sides of the cabinet door (3) and are spaced apart in the vertical direction; Multiple first slots (12) are provided on both sides of the door frame (11) and can be adapted to be inserted into the first plug (32). The first slots (12) extend in the vertical direction.
6. The ring main unit according to claim 5, characterized in that, The first slot (12) has an opening (13) on the side away from the interior of the cabinet (1) for inserting the first insert (32).
7. The ring main unit according to claim 6, characterized in that, The cabinet door (3) is provided with a door handle (7), which can be hung on the door handle (7) of the adjacent cabinet door (3), and the door handle (7) is arranged in an n-shape.
8. The ring main unit according to claim 7, characterized in that, The top surface of the door handle (7) is inclined upward from one side of the cabinet door (3) and the top surface of the door handle (7) is higher than the top surface of the cabinet door (3).