Automatic opening and closing device for electric appliance cabinet
By designing an automatic opening and closing device for electrical cabinets, and utilizing a motor-driven worm gear transmission and a rack and pinion linkage design, the problems of low efficiency and poor safety of traditional manual opening and closing of electrical cabinets are solved, achieving automatic opening and closing and efficient maintenance.
Patent Information
- Application Number
- CN202520426408.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Traditional electrical cabinets require manual opening and closing, which is inefficient and unsafe, and the maintenance process is cumbersome, affecting sealing and safety.
Design an automatic opening and closing device for an electrical cabinet that includes a drive assembly, a maintenance assembly, and a door lock assembly. The device utilizes an electric motor to drive a worm gear transmission system to achieve automatic opening and closing, and combines a gear rack and pinion and a telescopic rod plug-in design to achieve quick disassembly, assembly, and locking.
It enables automatic opening and closing of the electrical cabinet, improving operational efficiency and safety, simplifying the inspection and maintenance process, and enhancing the stability and sealing of the cabinet door.
Smart Images

Figure CN223942956U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical cabinet technology, and in particular to an automatic opening and closing device for electrical cabinets. Background Technology
[0002] Electrical cabinets are an indispensable component of power systems, industrial automation, and various electrical equipment, used to store and protect electrical components, wiring, and related equipment. Traditional electrical cabinets typically use manual opening and closing, meaning the cabinet doors are opened and closed manually. However, this method has several inconveniences: First, manual opening and closing is inefficient, especially in scenarios requiring frequent operation, wasting significant time and manpower; second, manual operation is prone to errors or external forces, leading to incomplete closure or accidental opening, thus affecting the cabinet's sealing and safety; furthermore, the maintenance process for traditional electrical cabinets is cumbersome, requiring the disassembly of multiple components to access the internal drive mechanism, increasing maintenance costs and time. Therefore, developing an automatic opening and closing device for electrical cabinets that can achieve automatic opening and closing, improving operational efficiency and safety, is of great significance for enhancing the performance of electrical cabinets and the user experience. Utility Model Content
[0003] The purpose of this utility model is to provide an automatic opening and closing device for electrical cabinets to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] Design an automatic opening and closing device for an electrical cabinet, including a device body. The device body includes a main cabinet, a drive assembly, a maintenance assembly, and a door lock assembly. The front end of the main cabinet is provided with a cabinet door and an observation port on the cabinet door. The top of the main cabinet is provided with an upper cabinet top and a mounting groove is provided on one side of the upper cabinet top. A connecting seat is fixed to one side of the cabinet door and a connecting shaft is fixed through the connecting seat. The bottom of the connecting shaft is rotatably connected to the lower end of the main cabinet and the top of the shaft rotatably extends into the mounting groove. The drive assembly is disposed in the mounting groove. The maintenance assembly is disposed on the upper end of the drive assembly. The door lock assembly is installed on the inside of the cabinet door.
[0006] Furthermore, the drive assembly includes an electric motor, the drive end of which is connected to a worm gear, a worm wheel meshing on one side of the worm gear, and a transmission shaft provided at the lower end of the worm wheel.
[0007] Furthermore, the motor is fixed inside the mounting slot, and the lower end of the drive shaft is fixedly connected to the top of the connecting shaft.
[0008] Furthermore, the maintenance assembly includes a cover plate with a movable groove inside. A gear is rotatably mounted inside the movable groove, and two sets of rack rods mesh with the side of the gear. A sealing cover is provided on the top of the cover plate, and a knob is provided on the upper end of the sealing cover.
[0009] Furthermore, the lower end of the knob is connected to the gear, a limiting hole is provided inside the mounting groove, and the outer end of the rack rod passes through the movable groove and is inserted into the limiting hole.
[0010] Furthermore, the door lock assembly includes a telescopic rod, a connecting frame is fixed to the front end of the telescopic rod and a plug-in rod is provided at the front end of the connecting frame, a guide frame is sleeved on the outside of the plug-in rod, and a fixing frame is provided on the outside of the telescopic rod.
[0011] Furthermore, the guide frame and the fixing frame are respectively fixed on the inner wall of the cabinet door, and a lock hole is opened in the side wall of the main cabinet, and the front end of the plug rod is correspondingly connected to the lock hole.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] Automatic opening and closing function: The cabinet door is automatically rotated and opened and closed by a worm gear and worm wheel transmission system driven by an electric motor, eliminating the need for manual operation and greatly improving the convenience and efficiency of the appliance cabinet.
[0014] Efficient inspection and maintenance: The inspection component adopts a gear and rack design, and the cover can be quickly disassembled and assembled by controlling the knob, which facilitates the inspection and maintenance of the internal drive components and reduces maintenance time and costs.
[0015] Enhanced security: The door lock assembly, through the cooperation of the telescopic rod and the plug rod with the lock hole, achieves side locking of the cabinet door, further improving the closing stability of the cabinet door and preventing the cabinet door from loosening or being accidentally opened due to external forces.
[0016] Compact and stable structure: The device has a compact overall design and reasonable layout of components. The installation accuracy and stability of the cover plate are ensured by the cooperation of the limiting hole and the rack and pinion. At the same time, the connection method between the drive shaft and the connecting shaft ensures the smooth opening and closing of the cabinet door.
[0017] Convenience of observation and operation: The cabinet door is equipped with an observation port, which allows operators to observe the internal situation of the electrical cabinet in real time. At the same time, the automatic opening and closing function reduces the frequency of operators directly touching the cabinet door, thus improving operational safety. Attached Figure Description
[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the working structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the cabinet door structure of this utility model;
[0022] Figure 4 This is an exploded view of the interior of the mounting slot of this utility model;
[0023] Figure 5 This is an exploded view of the door lock assembly of this utility model.
[0024] In the diagram: 1. Device body; 2. Main cabinet; 21. Cabinet door; 22. Observation port; 23. Lock hole; 3. Top of cabinet; 31. Mounting groove; 32. Limiting hole; 4. Connecting seat; 41. Connecting shaft; 5. Drive assembly; 51. Motor; 52. Worm gear; 53. Worm wheel; 54. Transmission shaft; 6. Maintenance assembly; 61. Cover plate; 62. Movable groove; 63. Gear; 64. Rack; 65. Sealing cover; 66. Knob; 7. Door lock assembly; 71. Telescopic rod; 72. Connecting frame; 73. Plug-in rod; 74. Guide frame; 75. Fixing frame. Detailed Implementation
[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0026] like Figure 1 As shown in Figure 5, the automatic opening and closing device for an electrical cabinet provided in this embodiment includes a device body 1. The device body 1 includes a main cabinet 2, a drive assembly 5, a maintenance assembly 6, and a door lock assembly 7. The front end of the main cabinet 2 is provided with a cabinet door 21 and an observation port 22 is provided on the cabinet door 21. The top of the main cabinet 2 is provided with an upper cabinet top 3 and a mounting groove 31 is provided on one side of the upper cabinet top 3. A connecting seat 4 is fixed on one side of the cabinet door 21 and a connecting shaft 41 is fixed through the connecting seat 4. The bottom of the connecting shaft 41 is rotatably connected to the lower end of the main cabinet 2 and the top is rotatably connected to the mounting groove 31. The drive assembly 5 is provided in the mounting groove 31, the maintenance assembly 6 is provided on the upper end of the drive assembly 5, and the door lock assembly 7 is installed on the inside of the cabinet door 21.
[0027] Preferably, the drive assembly 5 includes a motor 51, with a worm gear 52 connected to the drive end of the motor 51. A worm wheel 53 meshes with one side of the worm gear 52, and a transmission shaft 54 is provided at the lower end of the worm wheel 53. The motor 51 is fixed inside the mounting groove 31, and the lower end of the transmission shaft 54 is fixedly connected to the top of the connecting shaft 41. The motor 51 drives the worm gear 52 to rotate, which in turn drives the worm wheel 53 and the transmission shaft 54 to rotate. The transmission shaft 54 then drives the connecting shaft 41 and the cabinet door 21 to rotate, thereby enabling the rotational opening and closing control of the cabinet door 21. This facilitates automatic opening and closing of the cabinet door 21 without manual operation, improving the convenience and safety of the electrical cabinet.
[0028] Preferably, the maintenance component 6 includes a cover plate 61, with a movable groove 62 inside the cover plate 61. A gear 63 is rotatably mounted inside the movable groove 62, and two sets of rack rods 64 are meshed on the side of the gear 63. A sealing cover 65 is provided on the top of the cover plate 61, and a knob 66 is provided on the upper end of the sealing cover 65. The lower end of the knob 66 is connected to the gear 63. A limiting hole 32 is provided inside the mounting groove 31. The outer end of the rack rod 64 passes through the movable groove 62 and is inserted into the limiting hole 32. The rotation of the gear 63 is controlled by the knob 66, and the gear 63 drives the rack rod 64 to move. The rack rod 64 is inserted into or separated from the limiting hole 32, thereby enabling quick disassembly and assembly of the cover plate 61, facilitating the opening or closing of the mounting groove 31, and facilitating the maintenance of the internal drive component 5. The structure is simple and easy to operate, improving the maintenance efficiency of the device.
[0029] Preferably, the door lock assembly 7 includes a telescopic rod 71, with a connecting frame 72 fixed to the front end of the telescopic rod 71 and a plug-in rod 73 provided at the front end of the connecting frame 72. A guide frame 74 is sleeved on the outside of the plug-in rod 73, and a fixing frame 75 is provided on the outside of the telescopic rod 71. The guide frame 74 and the fixing frame 75 are respectively fixed to the inner wall of the cabinet door 21. A lock hole 23 is opened in the side wall of the main cabinet 2. The front end of the plug-in rod 73 is correspondingly connected to the lock hole 23. The telescopic rod 71 drives the connecting frame 72 and the plug-in rod 73 to move along the direction of the guide frame 74. The plug-in rod 73 is correspondingly plugged into the lock hole 23, thereby realizing the side locking operation of the cabinet door 21, further improving the closing stability of the cabinet door 21, preventing the cabinet door 21 from loosening, and improving the safety of the device.
[0030] The working principle and operation process of this utility model are as follows: First, the worm gear 52 is driven to rotate by the motor 51. The worm gear 52 drives the worm wheel 53 and the transmission shaft 54 to rotate. The transmission shaft 54 drives the connecting shaft 41 and the cabinet door 21 to rotate, thereby realizing the rotational opening and closing control of the cabinet door 21. This facilitates automatic opening and closing of the cabinet door 21 without manual operation. When closing the cabinet door 21, the connecting frame 72 and the plug-in rod 73 are driven to move along the guide frame 74 by the telescopic rod 71. The plug-in rod 73 is inserted into the corresponding lock hole 23, thereby realizing the side locking operation of the cabinet door 21, further improving the safety of the cabinet door 21. When maintenance of the drive assembly 5 is required, the gear 63 can be rotated by the knob 66. The gear 63 drives the rack 64 to move, and the rack 64 disengages from the limiting hole 32. At this time, the cover plate 61 can be removed to maintain the drive assembly 5. The operation is simple and convenient.
[0031] The technical solution of this utility model is not limited to the specific embodiments described above. Any technical modifications made according to the technical solution of this utility model shall fall within the protection scope of this utility model.
Claims
1. An automatic opening and closing device for an electrical cabinet, characterized in that: The device includes a main body (1), which contains a main cabinet (2), a drive assembly (5), a maintenance assembly (6), and a door lock assembly (7). The main cabinet (2) has a cabinet door (21) at the front end and an observation port (22) on the cabinet door (21). The main cabinet (2) has an upper cabinet top (3) at the top and an installation groove (31) on one side of the upper cabinet top (3). A connecting seat (4) is fixed on one side of the cabinet door (21) and a connecting shaft (41) is fixed through the connecting seat (4). The bottom of the connecting shaft (41) is rotatably connected to the lower end of the main cabinet (2) and the top is rotatably inserted into the installation groove (31). The drive assembly (5) is installed in the installation groove (31). The maintenance assembly (6) is installed on the upper end of the drive assembly (5). The door lock assembly (7) is installed inside the cabinet door (21).
2. The automatic opening and closing device for an electrical cabinet according to claim 1, characterized in that: The drive assembly (5) includes a motor (51), the drive end of which is connected to a worm (52), and a worm wheel (53) meshes with one side of the worm (52) and a transmission shaft (54) is provided at the lower end of the worm wheel (53).
3. The automatic opening and closing device for an electrical cabinet according to claim 2, characterized in that: The motor (51) is fixed inside the mounting groove (31), and the lower end of the transmission shaft (54) is fixedly connected to the top of the connecting shaft (41).
4. The automatic opening and closing device for an electrical cabinet according to claim 1, characterized in that: The maintenance component (6) includes a cover plate (61), a movable groove (62) is provided in the cover plate (61), a gear (63) is rotatably provided inside the movable groove (62), and two sets of rack rods (64) are meshed on the side of the gear (63). A sealing cover (65) is provided on the top of the cover plate (61), and a knob (66) is provided on the upper end of the sealing cover (65).
5. An automatic opening and closing device for an electrical cabinet according to claim 4, characterized in that: The lower end of the knob (66) is connected to the gear (63), and a limiting hole (32) is opened on the inner side of the mounting groove (31). The outer end of the rack rod (64) passes through the movable groove (62) and is inserted into the limiting hole (32).
6. The automatic opening and closing device for an electrical cabinet according to claim 1, characterized in that: The door lock assembly (7) includes a telescopic rod (71), a connecting frame (72) is fixed at the front end of the telescopic rod (71), and a plug rod (73) is provided at the front end of the connecting frame (72). A guide frame (74) is sleeved on the outside of the plug rod (73), and a fixing frame (75) is provided on the outside of the telescopic rod (71).
7. An automatic opening and closing device for an electrical cabinet according to claim 6, characterized in that: The guide frame (74) and the fixing frame (75) are respectively fixed on the inner wall of the cabinet door (21). The main cabinet (2) has a lock hole (23) in the side wall, and the front end of the plug rod (73) is connected to the lock hole (23).