Power distribution cabinet

Abstract

The invention relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet which comprises a cabinet body and a cabinet door, the cabinet body comprises a base, an extensible fixed inverted-U-shaped cabinet plate, an extensible and liftable movable inverted-U-shaped cabinet plate and an extensible cover plate, the fixed inverted-U-shaped cabinet plate is fixedly installed on the top of the base, and the movable inverted-U-shaped cabinet plate is fixedly installed on the top of the base. The movable inverted-U-shaped cabinet plate is installed in the middle of the fixed inverted-U-shaped cabinet plate and can be adjusted in a lifting mode, the cover plate is fixedly installed on the top of the movable inverted-U-shaped cabinet plate, the lower portion of one end of the fixed inverted-U-shaped cabinet plate and the upper portion of one end of the movable inverted-U-shaped cabinet plate are each provided with two hinges, and the cabinet door is installed among the four hinges. The cabinet door can move up and down for expansion to be matched with the adjustment of the cabinet body for sealing, and the up-and-down movement expansion of the cabinet door and the up-and-down movement expansion matched with the cabinet body are synchronously adjusted in a linkage manner; the electric power distribution cabinet has an internal installation space expansion function, and can perform up-and-down and front-and-back space expansion according to actual use requirements.

Description

Technical Field

[0001] The invention belongs to the technical field of power distribution cabinets, and in particular relates to a power distribution cabinet. Background Art

[0002] The distribution cabinet is an important equipment in the power system, which is used to receive, distribute and control electric energy. The main functions of the distribution cabinet include electric energy distribution, load control, fault protection and current and voltage monitoring.

[0003] The current distribution cabinet has a fixed structure. At the same time, in order to meet the installation and use requirements of electrical accessories of different sizes, the size of the distribution cabinet is relatively large. When the distribution cabinet of this structure is in use, the size of its internal installation space cannot be adjusted according to the actual installation requirements. Therefore, improvements are needed to address the above problems. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electric power distribution cabinet, comprising a cabinet body and a cabinet door, the cabinet body comprising a base, an expandable fixed inverted U-shaped cabinet panel, an expandable and liftable movable inverted U-shaped cabinet panel and an expandable cover plate, the fixed inverted U-shaped cabinet panel is fixedly mounted on the top of the base, the movable inverted U-shaped cabinet panel is mounted in the middle of the fixed inverted U-shaped cabinet panel and can be lifted and lowered, the cover plate is fixedly mounted on the top of the movable inverted U-shaped cabinet panel, two hinges are installed on the lower part of one end of the fixed inverted U-shaped cabinet panel and the upper part of one end of the movable inverted U-shaped cabinet panel, the cabinet door is installed between the four hinges, and the cabinet door can be moved up and down and expanded to cooperate with the adjustment of the cabinet body for sealing, and the up and down movement and expansion of the cabinet door are synchronously linked and adjusted with the up and down movement and expansion of the cabinet body.

[0005] Preferably, an inverted U-shaped through inner groove is provided in the middle of the fixed inverted U-shaped cabinet panel, and slots connected to the two ends of the inverted U-shaped through inner groove are provided in the lower parts on both sides of the fixed inverted U-shaped cabinet panel, and two inverted L-shaped movable plates are symmetrically installed on both sides of the inverted U-shaped through inner groove, and a lower baffle is fixedly installed between the lower parts of the opposite sides of the two inverted L-shaped movable plates through the two slots, and toggle blocks are fixedly installed on the upper parts of the opposite sides of the two inverted L-shaped movable plates, and two hinges are installed on the lower part of one end of one of the toggle blocks.

[0006] Preferably, an inverted H-shaped adjustment groove is opened in the middle of the base, and the upper parts of the two ends of the inverted H-shaped adjustment groove are connected to the two sides of the inverted U-shaped through inner groove, and sliders are fixedly installed on the bottom of the two inverted L-shaped movable plates, and the two sliders are respectively located inside the two ends of the inverted H-shaped adjustment groove, and threaded rods A are rotatably installed on both ends of the inverted H-shaped adjustment groove, and the two sliders are respectively threadedly connected to the two threaded rods A, and one end of the two threaded rods A is fixedly connected to the bevel gear A, so that the inverted L-shaped movable plate can be effectively horizontally moved, adjusted and unfolded.

[0007] Preferably, an adjustment shaft is rotatably connected between the two ends of the inverted H-shaped adjustment groove, and the adjustment shaft is located at both ends of the inverted H-shaped adjustment groove and is fixedly installed with a bevel gear B meshing with the bevel gear A. An adjustment groove is opened on one side of the base, and the adjustment shaft passes through the adjustment groove, and an adjustment wheel A is fixedly installed on the surface of the adjustment shaft located inside the adjustment groove, so that effective adjustment can be performed.

[0008] Preferably, a threaded rod B is rotatably connected between the two sides and the middle part of the inverted U-shaped inner groove and the top of the base, the bottoms of the three threaded rods B extend to the inside of the inverted H-shaped adjustment groove and are fixedly installed with sprockets, a chain is installed between the three sprockets, a worm wheel is fixedly installed at the bottom of one of the sprockets, a worm screw meshing with the worm wheel is rotatably installed in the middle part of the inverted H-shaped adjustment groove, one end of the worm screw extends to the inside of the adjustment groove and is fixedly installed with an adjusting wheel B.

[0009] Preferably, the movable inverted U-shaped cabinet panel matches the inverted U-shaped through inner groove and is movably inserted into the inside of the inverted U-shaped through inner groove. Connecting blocks are fixedly installed on the lower parts of both sides of the inside of the movable inverted U-shaped cabinet panel. The two connecting blocks are respectively threadedly connected to two threaded rods B, thereby effectively being able to move the movable inverted U-shaped cabinet panel upward and expand and adjust.

[0010] Preferably, both ends of the movable inverted U-shaped cabinet panel are provided with slots, and the outer sides of both ends of the movable inverted U-shaped cabinet panel are provided with sliding transverse grooves, the two sliding transverse grooves are respectively connected to the two slots, and the interiors of the two slots are movably connected with expansion boards, and two hinges are installed on the upper part of one end of one expansion board, and one side of the two expansion boards is provided with sliding vertical grooves, and one end of the toggle block is inserted between the interior of the sliding transverse groove and the sliding vertical groove, so that the two expansion boards can be effectively moved horizontally and unfolded.

[0011] Preferably, a storage groove connected to the tops of the two slots is opened on one side of the cover plate, an upper baffle is movably inserted inside the storage groove, and the bottom of the upper baffle is fixedly connected to the tops of the two expansion plug-ins, so that the upper baffle can be adjusted synchronously.

[0012] Preferably, the cabinet door includes a fixed door panel and a movable door panel, a matching installation groove is provided on the upper inner side of the fixed door panel, the movable door panel is located inside the matching installation groove, an inverted T-shaped slide groove is provided in the middle of the matching installation groove, an inverted T-shaped slider located inside the inverted T-shaped slide groove is fixedly installed on the bottom of one side of the movable door panel, the fixed door panel is connected to two hinges on one of the toggle blocks, and the movable door panel is connected to two hinges on one of the extension plug-in plates, so that the cabinet door can be expanded and adjusted synchronously.

[0013] Compared with the prior art, the present invention has the following beneficial effects: , During operation, by providing a cabinet door, a base, a fixed inverted U-shaped cabinet plate, a movable inverted U-shaped cabinet plate, a cover plate and a hinge, the power distribution cabinet has an internal installation space expansion function, and can expand the upper and lower and front and rear spaces according to actual use requirements, thereby effectively improving the practicality and functionality of the distribution cabinet, and the space expansion and adjustment of the power distribution cabinet is simple and convenient, and the use is stable and reliable. At the same time, the power distribution cabinet has a simple structural design, is convenient to use and operate, and is stable and reliable to adjust. Its performance can meet the use requirements of power equipment; , by rotating the adjusting wheel A inside the adjusting groove, the adjusting wheel drives the adjusting shaft to rotate, the rotation of the adjusting shaft drives the two bevel gears B to rotate, the rotation of the two bevel gears B drives the two bevel gears A to rotate, the rotation of the two bevel gears A drives the two threaded rods A to rotate, the rotation of the two threaded rods A causes the two sliders to move, the movement of the two sliders drives the two inverted L-shaped moving plates and the lower baffle to move, so that the two inverted L-shaped moving plates expand and adjust the width of the two ends of the fixed inverted U-shaped cabinet plate, and the lower baffle can cover and seal the gap between the two inverted L-shaped moving plates after expansion; , by rotating the adjusting wheel B inside the adjusting groove, the worm drives the worm wheel and drives one of the sprockets to rotate, and the rotation of one of the sprockets will drive the other two sprockets to rotate through the chain, so that the three threaded rods B are rotated, and the rotation of the three threaded rods B will cause the three connecting blocks to move upward on their surfaces, and the upward movement of the three connecting blocks will drive the movable inverted U-shaped cabinet plate to move upward from the inside of the inverted U-shaped through-inner groove, and the upward movement of the movable inverted U-shaped cabinet plate will drive the cover plate to move upward, so that the height between the base, the fixed inverted U-shaped cabinet plate, the movable inverted U-shaped cabinet plate and the cover plate is increased to expand the installation space; When the movable inverted U-shaped cabinet plate moves upward inside the inverted U-shaped through inner groove, the toggle block will slide inside the sliding vertical groove to effectively move the movable inverted U-shaped cabinet plate upward; when the two inverted L-shaped movable plates move horizontally and expand, the toggle block will be driven to move, and the horizontal movement of the two toggle blocks will slide inside the two sliding horizontal grooves, and the horizontal movement of the toggle blocks will drive the two extension plug-in plates to move out from the inside of the two slots through the sliding vertical grooves, so that the extension plug-in plates and the inverted L-shaped movable plates move horizontally and expand synchronously, and at the same time, the movement of the two extension plug-in plates will drive the upper baffle plate to move and expand, so as to shield and seal the upper air between the two extension plug-in plates; When the expansion plug plate moves upward, the hinge will pull the movable door panel upward to expand. The upward movement of the movable door panel will drive the inverted T-shaped slider to slide inside the inverted T-shaped slide groove, so that the movable door panel can move upward stably and maintain an effective connection with the fixed door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0015] In the attached picture: Figure 1 This is a front view structural diagram of the power distribution cabinet of the present invention; Figure 2 It is a schematic diagram of the side section structure of the cabinet door of the present invention; Figure 3 For the present invention Figure 1 The local structure of Figure 1 ; Figure 4 For the present invention Figure 3 A schematic cross-sectional structure diagram of ; Figure 5 For the present invention Figure 4 The local structure of Figure 1 ; Figure 6 For the present invention Figure 4 The local structure of Figure 2 ; Figure 7 For the present invention Figure 1 The local structure of Figure 2 ; Figure 8 For the present invention Figure 7 The local structure of Figure 1 ; Fig. 9 For the present invention Figure 7 The local structure of Figure 2 ; Fig.10 It is a schematic diagram of the structure of the power distribution cabinet of the present invention; Fig.11 It is a schematic diagram of the upper unfolded and front unfolded structure of the power distribution cabinet of the present invention; In the figure: 1, cabinet body; 2, cabinet door; 3, base; 4, fixed inverted U-shaped cabinet board; 5, movable inverted U-shaped cabinet board; 6, cover plate; 7, hinge; 8, inverted U-shaped through inner groove; 9, notch; 10, inverted L-shaped movable plate; 11, lower baffle; 12, toggle block; 13, inverted H-shaped adjustment groove; 14, slider; 15, threaded rod A; 16, bevel gear A; 17, adjustment shaft; 18, bevel gear B; 19, adjustment groove; 20. Adjusting wheel A; 21. Threaded rod B; 22. Sprocket; 23. Chain; 24. Worm wheel; 25. Worm; 26. Adjusting wheel B; 27. Connecting block; 28. Slot; 29. ​​Sliding horizontal slot; 30. Extension plug-in board; 31. Sliding vertical slot; 32. Storage slot; 33. Upper baffle; 34. Fixed door panel; 35. Movable door panel; 36. Matching installation slot; 37. Inverted T-shaped slot; 38. Inverted T-shaped slider. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] Embodiment 1, by Figures 1 to 11 The present invention comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 comprises a base 3, an expandable fixed inverted U-shaped cabinet board 4, an expandable and liftable movable inverted U-shaped cabinet board 5, and an expandable cover plate 6, wherein the fixed inverted U-shaped cabinet board 4 is fixedly mounted on the top of the base 3, the movable inverted U-shaped cabinet board 5 is mounted in the middle of the fixed inverted U-shaped cabinet board 4 and can be lifted and lowered, the cover plate 6 is fixedly mounted on the top of the movable inverted U-shaped cabinet board 5, two hinges 7 are mounted on the lower part of one end of the fixed inverted U-shaped cabinet board 4 and the upper part of one end of the movable inverted U-shaped cabinet board 5, the cabinet door 2 is mounted between the four hinges 7, and the cabinet door 2 can be moved up and down and expanded to cooperate with the adjustment of the cabinet body 1 for sealing, and the upward and downward movement and expansion of the cabinet door 2 are synchronously linked and adjusted with the upward and downward movement and expansion of the cabinet body 1; Electrical equipment with functions such as data acquisition, real-time monitoring, remote control and fault diagnosis can be installed inside the fixed inverted U-shaped cabinet panel 4 and the movable inverted U-shaped cabinet panel 5. They monitor parameters such as current, voltage, power in real time through sensors and instruments, and transmit the data to the monitoring system to achieve comprehensive control of the power distribution network. At the same time, the distribution cabinet is equipped with a communication interface to support connection with the superior monitoring system or cloud platform, which is convenient for data analysis and decision support. This power distribution cabinet has the function of internal installation space expansion, which can expand the upper and lower and front and back spaces according to actual usage needs, thereby effectively improving the practicality and functionality of the distribution cabinet. In addition, the space expansion adjustment of the power distribution cabinet is simple and convenient, and it is stable and reliable to use.

[0018] At the same time, the power distribution cabinet has a simple structural design, is easy to use and operate, and has stable and reliable adjustment. Its performance can meet the use requirements of power equipment. Embodiment 2, on the basis of embodiment 1, an inverted U-shaped through inner groove 8 is provided in the middle of the fixed inverted U-shaped cabinet panel 4, and slots 9 connected to the two ends of the inverted U-shaped through inner groove 8 are provided in the lower parts on both sides of the fixed inverted U-shaped cabinet panel 4, and two inverted L-shaped movable plates 10 are symmetrically installed on both sides of the inverted U-shaped through inner groove 8, and a lower baffle plate 11 is fixedly installed between the lower parts of the opposite sides of the two inverted L-shaped movable plates 10 through the two slots 9, and the upper parts of the opposite sides of the two inverted L-shaped movable plates 10 are fixedly installed with toggle blocks 12, and two hinges 7 are installed on the lower part of one end of one toggle block 12.

[0019] An inverted H-shaped adjustment groove 13 is provided in the middle of the base 3, and the upper parts of the two ends of the inverted H-shaped adjustment groove 13 are connected to the two sides of the inverted U-shaped through inner groove 8, and sliders 14 are fixedly installed at the bottom of the two inverted L-shaped movable plates 10, and the two sliders 14 are respectively located inside the two ends of the inverted H-shaped adjustment groove 13, and threaded rods A15 are rotatably installed at both ends of the inverted H-shaped adjustment groove 13, and the two sliders 14 are respectively threadedly connected to the two threaded rods A15, and one end of the two threaded rods A15 is fixedly connected to a bevel gear A16, so that the inverted L-shaped movable plate 10 can be effectively horizontally moved, adjusted and unfolded.

[0020] An adjusting shaft 17 is rotatably connected between the two ends of the inverted H-shaped adjusting groove 13. The adjusting shaft 17 is located at both ends of the inverted H-shaped adjusting groove 13 and is fixedly installed with a bevel gear B18 meshing with the bevel gear A16. An adjusting groove 19 is opened on one side of the base 3. The adjusting shaft 17 passes through the adjusting groove 19, and an adjusting wheel A20 is fixedly installed on the surface of the adjusting shaft 17 located inside the adjusting groove 19, so that effective adjustment can be performed; By rotating the adjusting wheel A20 inside the rotating adjusting groove 19, the adjusting wheel 20 drives the adjusting shaft 17 to rotate, and the rotation of the adjusting shaft 17 drives the two bevel gears B18 to rotate, and the rotation of the two bevel gears B18 transmits the rotation of the two bevel gears A16, and the rotation of the two bevel gears A16 drives the two threaded rods A15 to rotate, and the rotation of the two threaded rods A15 causes the two sliders 14 to move, and the movement of the two sliders 14 drives the two inverted L-shaped movable plates 10 and the lower baffle plate 11 to move, so that the two inverted L-shaped movable plates 10 expand and adjust the width of the two ends of the fixed inverted U-shaped cabinet plate 4, and the lower baffle plate 11 can cover and seal the gap between the two expanded inverted L-shaped movable plates 10. Embodiment 3, on the basis of embodiment 2, threaded rods B21 are rotatably connected between the two sides and the middle part of the inverted U-shaped through inner groove 8 and the top of the base 3, the bottoms of the three threaded rods B21 extend to the inside of the inverted H-shaped adjustment groove 13 and are fixedly installed with sprockets 22, a chain 23 is installed between the three sprockets 22, a worm wheel 24 is fixedly installed at the bottom of one of the sprockets 22, a worm 25 meshing with the worm wheel 24 is rotatably installed in the middle of the inverted H-shaped adjustment groove 13, one end of the worm 25 extends to the inside of the adjustment groove 19 and is fixedly installed with an adjusting wheel B26, the movable inverted U-shaped cabinet panel 5 matches the inverted U-shaped through inner groove 8 and is movably inserted into the inside of the inverted U-shaped through inner groove 8, the lower parts of the two sides of the inside of the movable inverted U-shaped cabinet panel 5 are fixedly installed with connecting blocks 27, the two connecting blocks 27 are respectively threadedly connected to the two threaded rods B21, so that the movable inverted U-shaped cabinet panel 5 can be effectively moved upward and expanded.

[0021] By rotating the adjusting wheel B26 inside the adjusting groove 19, the worm 25 transmits the transmission to the worm wheel 24 and drives one of the sprockets 22 to rotate. The rotation of one of the sprockets 22 will drive the other two sprockets 22 to rotate through the chain 23, thereby rotating the three threaded rods B21. The rotation of the three threaded rods B21 will cause the three connecting blocks 27 to move upward on their surfaces. The upward movement of the three connecting blocks 27 will drive the movable inverted U-shaped cabinet panel 5 to move upward from the inside of the inverted U-shaped through inner groove 8. The upward movement of the movable inverted U-shaped cabinet panel 5 will drive the cover plate 6 to move upward, thereby increasing the height between the base 3, the fixed inverted U-shaped cabinet panel 4, the movable inverted U-shaped cabinet panel 5 and the cover plate 6 and expanding the installation space.

[0022] Both ends of the movable inverted U-shaped cabinet plate 5 are provided with slots 28, and the outer sides of both ends of the movable inverted U-shaped cabinet plate 5 are provided with sliding transverse grooves 29, and the two sliding transverse grooves 29 are respectively connected to the two slots 28, and the interiors of the two slots 28 are movably connected with expansion plug-in boards 30, and two hinges 7 are installed on the upper part of one end of one expansion plug-in board 30, and one side of the two expansion plug-in boards 30 is provided with sliding vertical grooves 31, and one end of the toggle block 12 is inserted between the interior of the sliding transverse groove 29 and the sliding vertical groove 31, so that the two expansion plug-in boards 30 can be effectively moved and unfolded horizontally, and one side of the cover plate 6 is provided with a storage groove 32 connected to the tops of the two slots 28, and the interior of the storage groove 32 is movably connected with an upper baffle 33, and the bottom of the upper baffle 33 is fixedly connected to the tops of the two expansion plug-in boards 30, so that the upper baffle 33 can be adjusted synchronously; When the movable inverted U-shaped cabinet board 5 moves upward inside the inverted U-shaped through inner groove 8, the toggle block 12 slides inside the sliding vertical groove 31 to effectively move the movable inverted U-shaped cabinet board 5 upward; When the two inverted L-shaped movable plates 10 move horizontally and expand, the toggle blocks 12 will be driven to move. The horizontal movement of the two toggle blocks 12 will slide inside the two sliding horizontal grooves 29, and the horizontal movement of the toggle blocks 12 will drive the two expansion plug-ins 30 to move out from the inside of the two slots 28 through the sliding vertical grooves 31, so that the expansion plug-ins 30 and the inverted L-shaped movable plates 10 are synchronously moved horizontally and expanded. At the same time, the movement of the two expansion plug-ins 30 will drive the upper baffle plate 33 to move and expand, thereby shielding and sealing the upper air between the two expansion plug-ins 30. Embodiment 4, on the basis of embodiment 3, the cabinet door 2 comprises a fixed door panel 34 and a movable door panel 35, a matching installation groove 36 is provided at the upper part of the inner side of the fixed door panel 34, the movable door panel 35 is located inside the matching installation groove 36, an inverted T-shaped slide groove 37 is provided in the middle part of the matching installation groove 36, an inverted T-shaped slider 38 located inside the inverted T-shaped slide groove 37 is fixedly installed at the bottom of one side of the movable door panel 35, the fixed door panel 34 is connected to two hinges 7 on one of the toggle blocks 12, and the movable door panel 35 is connected to two hinges 7 on one of the extension plug-in boards 30, so that the cabinet door 2 can be expanded and adjusted synchronously; When the expansion plug plate 30 moves upward, the hinge 7 will pull the movable door panel 35 upward to expand and unfold. The upward movement of the movable door panel 35 will drive the inverted T-shaped slider 38 to slide inside the inverted T-shaped slide groove 37, so that the movable door panel 35 can move upward stably and maintain an effective connection with the fixed door panel 34; at the same time, a flat lock can be set between the fixed door panel 34 and the lower baffle 11 to ensure the stability of the cabinet door 2 when closed. It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power distribution cabinet, comprising a cabinet body (1) and a cabinet door (2), characterized in that: The cabinet body (1) comprises a base (3), an expandable fixed inverted U-shaped cabinet board (4), an expandable and liftable movable inverted U-shaped cabinet board (5), and an expandable cover plate (6); the fixed inverted U-shaped cabinet board (4) is fixedly mounted on the top of the base (3); the movable inverted U-shaped cabinet board (5) is mounted in the middle of the fixed inverted U-shaped cabinet board (4) and can be lifted and lowered; the cover plate (6) is fixedly mounted on the top of the movable inverted U-shaped cabinet board (5); two hinges (7) are mounted on the lower part of one end of the fixed inverted U-shaped cabinet board (4) and the upper part of one end of the movable inverted U-shaped cabinet board (5); the cabinet door (2) is mounted between the four hinges (7); the cabinet door (2) can be moved up and down and expanded to cooperate with the adjustment of the cabinet body (1) to be sealed; the upward and downward movement and expansion of the cabinet door (2) is synchronously linked and adjusted with the upward and downward movement and expansion of the cabinet body (1).

2. A power distribution cabinet according to claim 1, characterized in that: An inverted U-shaped through inner groove (8) is provided in the middle of the fixed inverted U-shaped cabinet plate (4), and notches (9) communicating with the two ends of the inverted U-shaped through inner groove (8) are provided at the lower parts of both sides of the fixed inverted U-shaped cabinet plate (4), and two inverted L-shaped movable plates (10) are symmetrically mounted on both sides of the inverted U-shaped through inner groove (8), and a lower baffle (11) is fixedly mounted between the lower parts of the opposite sides of the two inverted L-shaped movable plates (10) through the two notches (9), and a toggle block (12) is fixedly mounted on the upper parts of the opposite sides of the two inverted L-shaped movable plates (10), and two hinges (7) are mounted on the lower part of one end of one of the toggle blocks (12).

3. A power distribution cabinet according to claim 2, characterized in that: An inverted H-shaped adjustment groove (13) is provided in the middle of the base (3), the upper parts of both ends of the inverted H-shaped adjustment groove (13) are communicated with both sides of the inverted U-shaped through inner groove (8), the bottoms of the two inverted L-shaped movable plates (10) are fixedly mounted with sliders (14), the two sliders (14) are respectively located inside the two ends of the inverted H-shaped adjustment groove (13), and threaded rods A (15) are rotatably mounted at both ends of the inverted H-shaped adjustment groove (13), the two sliders (14) are respectively threadedly connected to the two threaded rods A (15), and one end of the two threaded rods A (15) is fixedly connected to a bevel gear A (16).

4. The power distribution cabinet according to claim 3, characterized in that: An adjusting shaft (17) is rotatably connected between the two ends of the inverted H-shaped adjusting groove (13), and a bevel gear B (18) meshing with a bevel gear A (16) is fixedly installed inside the adjusting shaft (17) at both ends of the inverted H-shaped adjusting groove (13). An adjusting groove (19) is opened on one side of the base (3), the adjusting shaft (17) passes through the adjusting groove (19), and an adjusting wheel A (20) is fixedly installed on the surface of the adjusting shaft (17) located inside the adjusting groove (19).

5. The power distribution cabinet according to claim 4, characterized in that: Threaded rods B (21) are rotatably connected between the two sides and the middle of the inverted U-shaped through inner groove (8) and the top of the base (3); the bottoms of the three threaded rods B (21) extend into the interior of the inverted H-shaped adjustment groove (13) and are fixedly mounted with sprockets (22); a chain (23) is mounted between the three sprockets (22); a worm wheel (24) is fixedly mounted at the bottom of one of the sprockets (22); a worm (25) meshing with the worm wheel (24) is rotatably mounted in the middle of the inverted H-shaped adjustment groove (13); one end of the worm (25) extends into the interior of the adjustment groove (19) and is fixedly mounted with an adjustment wheel B (26).

6. The power distribution cabinet according to claim 5, characterized in that: The movable inverted U-shaped cabinet plate (5) matches the inverted U-shaped through inner groove (8) and is movably plugged into the inside of the inverted U-shaped through inner groove (8). Connecting blocks (27) are fixedly mounted on the lower parts of both sides of the inside of the movable inverted U-shaped cabinet plate (5). The two connecting blocks (27) are respectively threadedly connected to the two threaded rods B (21).

7. The power distribution cabinet according to claim 6, characterized in that: Both ends of the movable inverted U-shaped cabinet plate (5) are provided with slots (28), and the outer sides of both ends of the movable inverted U-shaped cabinet plate (5) are provided with sliding transverse grooves (29), the two sliding transverse grooves (29) are respectively connected to the two slots (28), and the insides of the two slots (28) are movably connected with expansion plug boards (30), and the upper part of one end of one expansion plug board (30) is equipped with two hinges (7), and one side of the two expansion plug boards (30) is provided with sliding vertical grooves (31), and one end of the toggle block (12) is inserted between the inside of the sliding transverse groove (29) and the sliding vertical groove (31).

8. The power distribution cabinet according to claim 7, characterized in that: A storage groove (32) communicating with the tops of the two slots (28) is formed on one side of the cover plate (6); an upper baffle (33) is movably inserted into the storage groove (32); and the bottom of the upper baffle (33) is fixedly connected to the tops of the two extension plug-ins (30).

9. The power distribution cabinet according to claim 7, characterized in that: The cabinet door (2) comprises a fixed door panel (34) and a movable door panel (35); a matching installation groove (36) is provided at an upper portion of an inner side of the fixed door panel (34); the movable door panel (35) is located inside the matching installation groove (36); an inverted T-shaped slide groove (37) is provided in the middle portion of the matching installation groove (36); an inverted T-shaped slide block (38) located inside the inverted T-shaped slide groove (37) is fixedly installed at the bottom of one side of the movable door panel (35); the fixed door panel (34) is connected to two hinges (7) on one of the toggle blocks (12); and the movable door panel (35) is connected to two hinges (7) on one of the extension plug boards (30).

Images