Low-voltage dual-power cabinet with adjustable internal space
By using rack rails and slides in low-voltage dual power supply cabinets to adjust the internal space, and through the design of sliders and rear sliding doors, the problem of space unadjustment in the existing technology is solved, and the equipment is improved Applicability and maintenance convenience.
Patent Information
- Application Number
- CN202420834843.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The internal space of the existing low-voltage dual power supply cabinet is unadjustable, resulting in low applicability when there are many power switches or power switches with special requirements installed.
The structures of rack rails, sliders, tooth plates, mounting plates, etc. are adopted to achieve adjustability of the internal space through the cooperation of rack rails and sliders, and the rear side can be made possible by the design of sliders, sliders and rear sliding doors. Open for easy access and installation.
It realizes flexible adjustment of the internal installation space, adapts to the installation requirements of various power switches, improves the applicability of the equipment, and facilitates the maintenance and installation operations of staff through the design of openable rear doors.
Smart Images

Figure CN222320857U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of power supply cabinets, in particular to a low-voltage dual-power supply cabinet with adjustable internal space. Background Art
[0002] Power supply cabinets usually refer to equipment used to store and manage power supplies, and are mainly used in power systems, communication systems, computer systems and other fields. According to different needs and usage scenarios, power supply cabinets can be divided into many types, such as low-voltage dual power supply cabinets, high-voltage switch cabinets, power distribution cabinets, etc. Low-voltage dual power supply cabinets are mainly composed of dual power automatic switching devices, which can automatically switch between the normal power supply and the backup power supply as needed to ensure the reliability and continuity of power supply. This equipment is widely used in high-rise buildings, hospitals, airports, post and telecommunications, docks, fire protection, metallurgy, chemical industry, textiles and other important places where power outages are not allowed.
[0003] After searching, Chinese patent announcement number: CN220043051U discloses a low-voltage dual power supply switching cabinet, including a cabinet, a conductive block is fixedly installed at the lower end of one side wall of the cabinet, a conductive wire is fixedly connected to the lower end of one side wall of the cabinet, a mounting frame is fixedly installed at the upper end of the side wall of the cabinet, the mounting frame is located directly above the conductive wire, a mounting wheel is rotatably installed on the inner side of the mounting frame, the mounting wheel is made of steel, one end of the conductive wire passes through the cabinet and is connected to the conductive block in the cabinet, and the other end of the conductive wire passes through the mounting wheel and extends to the ground. In this utility model, the conductive wire, the mounting wheel, and the alarm light cooperate with each other to detect whether the circuit inside the cabinet is leaking. If there is leakage, a sound will be emitted to prompt the staff to deal with it as soon as possible. The setting of the conductive wire can guide the leakage of the circuit to the ground for decomposition, thereby avoiding the safety hazard of the staff touching the cabinet and being injured by electricity. However, the mounting frame inside the utility model is fixed and its position cannot be adjusted, resulting in that its internal space cannot be adjusted. Therefore, it is not suitable for installing power switches with special requirements or when there are many power switches, and the overall applicability is low. Utility Model Content
[0004] In order to make up for the above deficiencies, the utility model provides a low-voltage dual power supply cabinet with adjustable internal space, aiming to improve the problem that the internal installation space of the low-voltage dual power supply cabinet cannot be adjusted, resulting in low applicability.
[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a low-voltage dual power supply cabinet with adjustable internal space, comprising a frame, both sides of the interior of the frame are fixedly connected with rack guide rails, the outside of the rack guide rails is slidably connected with a slider, a limiting groove is provided inside the slider, a tooth plate is slidably connected inside the limiting groove, the tooth plate is meshed with the rack guide rail, the tooth plate is fixedly connected with two tension springs on the side of the tooth plate away from the rack guide rail, the other sides of the two tension springs are fixedly connected to the inside of the limiting groove, the inside of the slider is rotatably connected with a rotating shaft, the middle part of the rotating shaft is fixedly connected with a cam, the two sides of the interior of the frame are fixedly connected with slide grooves, a support plate is slidably connected between the opposite sides of the two slide grooves, one end of the rotating shaft is fixedly connected with a rotating handle, a mounting plate is fixedly connected between the opposite sides of the two sliders, and an opening and closing mechanism is provided on the rear side of the frame.
[0006] As a further description of the above technical solution:
[0007] The opening and closing mechanism includes a rear sliding door, the upper and lower ends of the rear sliding door are fixedly connected to sliding rails, the outer side of the sliding rails is slidably connected to a sliding bar, the two sliding bars are respectively fixedly connected to the upper and lower ends of the rear side of the frame, the two ends of the sliding rails are fixedly connected to a blocking bar, the interior of the frame is fixedly connected to an outer shell, the interior of the outer shell is slidably connected to a limiting column, the interior of the outer shell is slidably connected to a sliding column, and the side of the limiting column away from the rear sliding door is fixedly connected to a pressure spring.
[0008] As a further description of the above technical solution:
[0009] The rotating shaft is located between the two tension springs, and the cam is located inside the limiting groove.
[0010] As a further description of the above technical solution:
[0011] The slide groove is located below the rack guide rail.
[0012] As a further description of the above technical solution:
[0013] A plurality of positioning grooves are provided on one side of the rear sliding door, one end of the sliding column is fixedly connected to a side of the limiting column close to the rear sliding door, and the sliding column is engaged with the positioning groove.
[0014] As a further description of the above technical solution:
[0015] A handle 1 is fixedly connected to one side of the rear sliding door.
[0016] As a further description of the above technical solution:
[0017] The front side of the frame is rotatably connected to two front doors, and observation windows are provided on the outsides of the two front doors.
[0018] As a further description of the above technical solution:
[0019] A plurality of indicator lights are arranged on the outside of the two front doors, and a handle 2 is fixedly connected to the middle of the two front doors, and the indicator lights are located above the observation window.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the present invention, the internal installation space of the present invention is adjustable through structures such as the rack guide rail, the slider, the tooth plate and the mounting plate, and can adapt to the installation requirements of various power switches, thereby greatly enhancing the applicability.
[0022] 2. In the present invention, the rear side of the present invention can be opened through structures such as slide bars, slide rails, rear sliding doors and blocking bars. The structure of the openable rear door makes it convenient for staff to inspect the power cabinet, and the back space of the installation plate can also be used. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional diagram of a low-voltage dual power supply cabinet with adjustable internal space proposed by the utility model;
[0024] Figure 2 This is a schematic diagram of the internal structure of a low-voltage dual power supply cabinet with adjustable internal space proposed by the utility model;
[0025] Figure 3 This is a cross-sectional view of a rack guide rail in a low-voltage dual power supply cabinet with adjustable internal space proposed by the utility model;
[0026] Figure 4 for Figure 3 A magnified view of middle;
[0027] Figure 5 This is a schematic diagram of the structure of the rear side door of a low-voltage dual power supply cabinet with adjustable internal space proposed by the utility model;
[0028] Figure 6 This is a cross-sectional view of a low-voltage dual power supply cabinet with adjustable internal space proposed by the utility model;
[0029] Figure 7 for Figure 6 Enlarged view of B.
[0030] Legend:
[0031] 1. Frame; 2. Rack guide; 3. Slider; 4. Limiting groove; 5. Tooth plate; 6. Tension spring; 7. Rotating shaft; 8. Cam; 9. Slide groove; 10. Support plate; 11. Turn handle; 12. Mounting plate; 13. Opening and closing mechanism; 1301. Sliding bar; 1302. Sliding rail; 1303. Stop bar; 1304. Rear sliding door; 1305. Housing; 1306. Limiting column; 1307. Sliding column; 1308. Pressure spring; 1309. Positioning groove; 1310. Handle one; 14. Front door; 15. Observation window; 16. Indicator light; 17. Handle two. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Reference Figure 2 , Figure 3 and Figure 4 The utility model provides an embodiment: a low-voltage dual power supply cabinet with adjustable internal space, including a frame 1, rack guide rails 2 are fixedly connected to both sides of the interior of the frame 1, and a slider 3 is slidably connected to the outside of the rack guide rail 2 to achieve up and down sliding and adjust the internal space. A limiting groove 4 is provided inside the slider 3 to provide an installation space for the internal meshing mechanism. A tooth plate 5 is slidably connected inside the limiting groove 4. The tooth plate 5 meshes with the rack guide rail 2 to achieve the fixing of any sliding position of the slider 3. Two tension springs 6 are fixedly connected to one side of the tooth plate 5 away from the rack guide rail 2 to provide rebound tension to the tooth plate 5. The other sides of the two tension springs 6 are fixedly connected to Inside the limit groove 4, the slider 3 is rotatably connected to the internal shaft 7, and a cam 8 is fixedly connected to the middle part of the shaft 7. By rotating the shaft 7 to drive the cam 8, the tooth plate 5 can be pushed to slide and engage with the rack guide 2 to achieve a fixing effect. Both sides of the interior of the frame 1 are fixedly connected with slide grooves 9 to support the support plate 10. The support plate 10 is slidably connected between the opposite sides of the two slide grooves 9 to provide an internal installation position. A handle 11 is fixedly connected to one end of the shaft 7 to facilitate the rotation of the shaft 7. A mounting plate 12 is fixedly connected between the opposite sides of the two sliders 3 to provide an installation space for the power switch. An opening and closing mechanism 13 is provided on the rear side of the frame 1 to open the rear side of the power cabinet.
[0034] Reference Figure 5 , Figure 6 and Figure 7The opening and closing mechanism 13 includes a rear sliding door 1304, and the upper and lower ends of the rear sliding door 1304 are fixedly connected with a slide rail 1302 to provide a sliding track for the rear sliding door 1304. The outer sliding connection of the slide rail 1302 is a slide bar 1301, and the slide rail 1302 and the slide bar 1301 realize the opening and closing sliding of the rear sliding door 1304. The two slide bars 1301 are respectively fixedly connected to the upper and lower ends of the rear side of the frame 1, and the two ends of the slide rail 1302 are fixedly connected with a stop bar 1303 to limit the sliding position and prevent it from slipping out of the sliding track. The interior of the frame 1 is fixedly connected with a shell 1305 to provide an installation space for the internal structure. The internal sliding connection of the shell 1305 is limited by a limit column 1306, limits the position of the sliding column 1307, the sliding column 1307 is slidably connected inside the shell 1305, and a pressure spring 1308 is fixedly connected to the side of the limiting column 1306 away from the rear sliding door 1304 to provide a reset thrust for the limiting column 1306. A plurality of positioning grooves 1309 are provided on one side of the rear sliding door 1304, and one end of the sliding column 1307 is fixedly connected to the side of the limiting column 1306 close to the rear sliding door 1304. The sliding column 1307 is engaged with the positioning groove 1309 to fix the position of the rear sliding door 1304, and a handle 1310 is fixedly connected to one side of the rear sliding door 1304 to facilitate pulling the rear sliding door 1304 to open and close.
[0035] Reference Figure 1 , Figure 2 and Figure 4 The rotating shaft 7 is located between the two tension springs 6, the cam 8 is located inside the limit groove 4, the slide groove 9 is located below the rack guide rail 2, and the front side of the frame 1 is rotatably connected to two front doors 14 to open and close the power cabinet. Observation windows 15 are provided on the outside of the two front doors 14 to observe the inside of the power cabinet. Multiple indicator lights 16 are provided on the outside of the two front doors 14 to reflect the operating status of the power switch inside the power cabinet. A handle 17 is fixedly connected to the middle of the two front doors 14 to facilitate opening and closing. The indicator light 16 is located above the observation window 15.
[0036] Working principle: Place the power cabinet steadily, pull the handle 17 to open the front door 14, turn the handle 11 to drive the shaft 7 to rotate, and then drive the cam 8 to rotate. The toothed plate 5 loses the thrust of the cam 8 and slides backward under the pull of the tension spring 6. At this time, the slider 3 resumes sliding, and the mounting plate 12 is adjusted to a suitable position by sliding the slider 3, and then the handle 11 is turned to drive the shaft 7 to rotate, and then drive the cam 8 to rotate. When the cam 8 rotates, it provides thrust to the toothed plate 5 to slide forward and engage with the rack guide 2. At this time, the slider 3 is fixed, and the power switch is installed on the mounting plate 12. The support plate 10 can be removed or installed according to the use requirements, and the indicator light 16 is energized to observe the operation status of the power switch. After everything is ready, close the front door 14 and the power cabinet is put into use; maintenance or alternative installation When required, pull handle 1310, under the action of pulling force, the positioning groove 1309 and the sliding column 1307 are no longer engaged, and the sliding column 1307 slides inwardly under the pressure of the rear sliding door 1304, and the limit column 1306 squeezes the pressure spring 1308. When the rear sliding door 1304 slides to the maximum opening and closing range, the sliding column 1307 is pushed by the pressure spring 1308 to engage with the positioning groove 1309 to fix the opened rear sliding door 1304. At this time, the staff can inspect the power switch or install the required components on the back of the mounting plate 12. When closing, push the rear sliding door 1304, and the sliding column 1307 disengages from the engagement with the positioning groove 1309 until the rear sliding door 1304 is completely closed, and the sliding column 1307 engages with the positioning groove 1309 again to fix the rear sliding door 1304.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A low-voltage dual power supply cabinet with adjustable internal space, comprising a frame (1), characterized in that: Both sides of the interior of the frame (1) are fixedly connected to rack guide rails (2), the exterior of the rack guide rail (2) is slidably connected to a slider (3), a limiting groove (4) is provided inside the slider (3), a tooth plate (5) is slidably connected inside the limiting groove (4), the tooth plate (5) is meshed with the rack guide rail (2), one side of the tooth plate (5) away from the rack guide rail (2) is fixedly connected to two tension springs (6), the other sides of the two tension springs (6) are fixedly connected to the limiting groove (4), and the other sides of the two tension springs (6) are fixedly connected to the limiting groove (4). The inside of the groove (4) is rotatably connected to a rotating shaft (7) inside the slider (3), a cam (8) is fixedly connected to the middle of the rotating shaft (7), both sides of the inside of the frame (1) are fixedly connected to sliding grooves (9), a supporting plate (10) is slidably connected between the opposite sides of the two sliding grooves (9), a rotating handle (11) is fixedly connected to one end of the rotating shaft (7), a mounting plate (12) is fixedly connected between the opposite sides of the two sliders (3), and an opening and closing mechanism (13) is arranged on the rear side of the frame (1).
2. According to claim 1, a low-voltage dual power supply cabinet with adjustable internal space, characterized in that: The opening and closing mechanism (13) comprises a rear sliding door (1304), wherein the upper and lower ends of the rear sliding door (1304) are fixedly connected to a sliding rail (1302), the outer portion of the sliding rail (1302) is slidably connected to a sliding bar (1301), the two sliding bars (1301) are respectively fixedly connected to the upper and lower ends of the rear side of the frame (1), the two ends of the sliding rail (1302) are fixedly connected to a blocking bar (1303), the interior of the frame (1) is fixedly connected to a housing (1305), the interior of the housing (1305) is slidably connected to a limiting column (1306), the interior of the housing (1305) is slidably connected to a sliding column (1307), and the side of the limiting column (1306) away from the rear sliding door (1304) is fixedly connected to a pressure spring (1308).
3. The low-voltage dual power supply cabinet with adjustable internal space according to claim 1, characterized in that: The rotating shaft (7) is located between the two tension springs (6), and the cam (8) is located inside the limiting groove (4).
4. The low-voltage dual power supply cabinet with adjustable internal space according to claim 1, characterized in that: The slide groove (9) is located below the rack guide rail (2).
5. The low-voltage dual power supply cabinet with adjustable internal space according to claim 2, characterized in that: A plurality of positioning grooves (1309) are provided on one side of the rear sliding door (1304), one end of the sliding column (1307) is fixedly connected to a side of the limiting column (1306) close to the rear sliding door (1304), and the sliding column (1307) is engaged with the positioning groove (1309).
6. The low-voltage dual power supply cabinet with adjustable internal space according to claim 2, characterized in that: A handle 1 (1310) is fixedly connected to one side of the rear sliding door (1304).
7. The low-voltage dual power supply cabinet with adjustable internal space according to claim 1, characterized in that: The front side of the frame (1) is rotatably connected to two front doors (14), and observation windows (15) are provided outside the two front doors (14).
8. The low-voltage dual power supply cabinet with adjustable internal space according to claim 7, characterized in that: A plurality of indicator lights (16) are arranged outside the two front doors (14), a second handle (17) is fixedly connected to the middle of the two front doors (14), and the indicator lights (16) are located above the observation window (15).
Citation Information
Patent Citations
Low-voltage dual-power switching cabinet
CN220043051U