A power distribution cabinet

Abstract

The present invention relates to the field of electric power distribution cabinets, and specifically to an electric power distribution cabinet, comprising an inner cabinet and an outer cabinet, wherein the outer cabinet is sleeved on the inner cabinet; a base is provided on the lower end surface of the inner cabinet, and a horizontal bar arranged up and down is provided on the upper surface of the base, and an electric power controller is installed on the horizontal bar; the front and rear side walls of the inner cabinet are open in design, and heat dissipation ports are provided on the left and right side walls of the inner cabinet, and dust screens are provided at the heat dissipation ports; the outer cabinet is lifted to the upper end surface position of the inner cabinet, and then the outer cabinet is fixed by a locking assembly, at which time the outer cabinet is fixed to the upper end surface position of the inner cabinet, and the front and rear sides of the inner cabinet are completely exposed, and an electrician can perform electric power operations from the front and rear sides of the inner cabinet, and the control space is not limited, and the visual range is increased, so that the electrician can observe the operation more comprehensively, and the safety of electric power construction can be improved at the same time.

Description

Technical Field

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

[0002] Power distribution cabinets are electrical equipment used for power distribution and control, and are widely used in various fields, such as industrial production, construction, or residential life. The current power distribution cabinet is an overall box with two symmetrically hinged metal doors. When operating the power distribution cabinet, the metal door is opened and then the power operation is carried out.

[0003] In actual use, the wires and power controllers in the power distribution cabinet are diverse and complicated. The current power distribution cabinet can only be operated from one side, that is, open the metal door and operate the side facing the electrician. However, some operations need to be extended to a narrow space for operation, which is difficult to operate, especially in some situations where operations are frequent, such as a construction site, where a distribution cabinet provides power for multiple types of work. After the construction is completed, it is necessary to cut off the power or connect other types of electrical equipment. In this case, if the current distribution cabinet is used, it is difficult to operate.

[0004] Therefore, in view of the above problems, a power distribution cabinet is proposed. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve the technical problem is: the power distribution cabinet described in the present invention comprises an inner cabinet and an outer cabinet, the outer cabinet is sleeved on the inner cabinet; the lower end surface of the inner cabinet is provided with a base, the upper surface of the base is provided with horizontal bars arranged up and down, and the horizontal bars are used to install the power controller;

[0007] The front and rear side walls of the inner cabinet are open in design, and the left and right side walls of the inner cabinet are provided with heat dissipation openings, and dust screens are provided at the heat dissipation openings;

[0008] The outer cabinet has rectangular openings on the left and right sides, and the rectangular openings are opposite to the heat dissipation openings; a frame is provided at the bottom of the outer cabinet, and a sleeve is provided at the inner corner of the frame;

[0009] A guide rod is provided at the outer vertical side rib of the inner cabinet, and the sleeve is sleeved on the guide rod and slides up and down;

[0010] A locking assembly is also provided between the inner cabinet and the outer cabinet, and the locking assembly is used to fix the outer cabinet on the inner cabinet.

[0011] Preferably, the locking assembly comprises rectangular blocks symmetrically fixed to the bottom of the left and right sides of the outer cabinet; a strip hole is provided on the outer end surface of each rectangular block, the strip hole passes through the inner wall of the outer cabinet, and a T-shaped locking rod is slidably connected to the strip hole;

[0012] Each of the locking rods comprises a clamping rod and a sliding rod, one end of the sliding rod is vertically fixed to the middle position of the clamping rod, the clamping rod is located in the gap between the outer cabinet and the inner cabinet, and the other end of the sliding rod extends outside the strip hole;

[0013] Two groups of limit strips are respectively arranged on both sides of each heat dissipation port, and the two groups of limit strips on the same side are arranged vertically, and the clamping rod can slide between two adjacent limit strips in the same group.

[0014] Preferably, the outer end surface of each rectangular block is symmetrically provided with a C-shaped elastic clamp ring, the elastic clamp ring is arranged on both sides of the strip hole, and the two opposite elastic clamp ring openings are arranged opposite to each other, and the elastic clamp ring can clamp the sliding rod.

[0015] Preferably, a plurality of through holes are formed on the upper surface of each rectangular block, the through holes are respectively arranged at two sides of the rectangular block, and each through hole vertically penetrates the rectangular block;

[0016] A fixing hole is provided on the slide bar, the slide bar slides into the elastic clamping ring, the fixing hole is opposite to the through hole, and a lock is provided between the fixing hole and the through hole.

[0017] Preferably, a plurality of plug-in tubes are provided on the upper end surface of the inner cabinet, and the lower ends of the plug-in tubes extend to the top of the inner cabinet;

[0018] The outer cabinet is sleeved on the inner cabinet, and a plurality of plug-in rods are arranged on the top of the outer cabinet. The plug-in rods correspond to the plug-in tubes one by one, and the plug-in rods are connected to external cables.

[0019] Preferably, observation windows are provided on the front and rear side walls of the outer cabinet, and the observation windows are provided with glass; and handles are provided at the corners of the lower end of the outer cabinet.

[0020] Preferably, a buffer spring is provided at a corner position of the upper end surface of the inner cabinet, and the buffer spring can buffer the downward pressure damage of the outer cabinet to the inner cabinet.

[0021] Preferably, a plurality of tube bodies are arranged at the corner positions of the inner top surface of the outer cabinet, and the plurality of tube bodies correspond one-to-one to the buffer springs. A capsule body is arranged in the tube body, and the capsule body is connected to the hollow sealing strip arranged on the lower end surface of the outer cabinet through a hose, and the hose extends vertically downward along the inner corner position of the outer cabinet to the lower end surface position of the outer cabinet.

[0022] Preferably, a plurality of rollers are arranged in each of the rectangular openings, the rollers are fixedly connected to the inner wall of the rectangular opening, and a brush is provided on the surface of each roller. When the outer cabinet is moved up and down, the brush can clean the dustproof net.

[0023] Preferably, the base has openings on the left and right sides.

[0024] The present invention is beneficial in that:

[0025] 1. The power distribution cabinet designed by the present invention has an outer cabinet lifted up to the upper end surface of the inner cabinet, and then fixed by a locking assembly. At this time, the outer cabinet is fixed at the upper end surface of the inner cabinet, and the front and rear sides of the inner cabinet are completely exposed. When an electrician performs power operation, he can do it from the front and rear sides of the inner cabinet. The control space is not restricted, and the visual range is increased. The electrician can observe the operation more comprehensively, and at the same time, the safety of power construction can be improved.

[0026] 2. Lift the outer cabinet, and the outer cabinet drives the plug rod to detach from the plug tube. The other end of the plug rod is connected to the external cable, and the lower end of the plug tube is electrically connected to the power controller inside the inner cabinet. The plug rod is detached from the plug tube, realizing the secondary power outage of the power supply and improving the safety of power operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a first visual stereogram of the power distribution cabinet in the present invention;

[0028] Figure 2 A second visual stereogram of the power distribution cabinet in the present invention;

[0029] Figure 3 It is a side view of the power distribution cabinet in the present invention;

[0030] Figure 4 It is a cross-sectional view of the power distribution cabinet in the present invention;

[0031] Figure 5 is a three-dimensional diagram of the inner cabinet of the present invention;

[0032] Figure 6 This is a front view of the inner cabinet of the present invention;

[0033] Figure 7 It is a side view of the inner cabinet of the present invention;

[0034] Figure 8 It is a three-dimensional diagram of the outer cabinet of the present invention;

[0035] Fig. 9 It is a three-dimensional diagram of the locking rod in the present invention.

[0036] In the figure: 1. inner cabinet; 2. outer cabinet; 3. base; 4. cross bar; 5. dust screen; 6. rectangular opening; 7. frame; 8. sleeve; 9. guide rod; 10. rectangular block; 11. strip hole; 12. locking rod; 13. clamping rod; 14. sliding rod; 15. limit strip; 16. elastic clamp ring; 17. through hole; 18. fixing hole; 19. plug-in tube; 20. plug-in rod; 21. observation window; 22. buffer spring; 23. tube body; 24. capsule body; 25. hose; 26. hollow sealing strip; 27. roller body; 28. clearance opening; 29. ​​lock. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0038] Reference Figure 1 - Figure 8 , an electric power distribution cabinet, comprising an inner cabinet 1 and an outer cabinet 2, wherein the outer cabinet 2 is sleeved on the inner cabinet 1; a base 3 is provided on the lower end surface of the inner cabinet 1, and a vertically arranged crossbar 4 is provided on the upper surface of the base 3, and a power controller is installed on the crossbar 4;

[0039] The front and rear side walls of the inner cabinet 1 are open, and the left and right side walls of the inner cabinet 1 are provided with heat dissipation openings, and dust screens 5 are provided at the heat dissipation openings;

[0040] The outer cabinet 2 has rectangular openings 6 on the left and right sides, and the rectangular openings 6 are opposite to the heat dissipation openings; a frame 7 is provided at the bottom of the outer cabinet 2, and a sleeve 8 is provided at the inner corner of the frame 7;

[0041] A guide rod 9 is provided at the outer vertical side rib of the inner cabinet 1, and a sleeve 8 is sleeved on the guide rod 9 and slides up and down;

[0042] A locking assembly is also provided between the inner cabinet 1 and the outer cabinet 2, and the locking assembly is used to fix the outer cabinet 2 on the inner cabinet 1;

[0043] In the present embodiment, a power distribution cabinet is designed which is easy to operate with electricity. When in use, the locking assembly is operated, and the locking assembly no longer locks the outer cabinet 2 on the inner cabinet 1. The outer cabinet 2 is lifted, and the sleeve 8 slides upward along the guide rod 9. The outer cabinet 2 is lifted to the upper end surface position of the inner cabinet 1, and then the outer cabinet 2 is fixed by the locking assembly. At this time, the outer cabinet 2 is fixed to the upper end surface position of the inner cabinet 1, and the front and rear sides of the inner cabinet 1 are completely exposed. When the electrician performs the electricity operation, he can perform it from the front and rear sides of the inner cabinet 1. The control space is not restricted, and the visual range is increased. The electrician can observe the operation more comprehensively, and at the same time, the safety of the electricity construction can be improved. After the electricity operation is completed, the locking assembly is operated to lower the outer cabinet 2, and the outer cabinet 2 can cover the inner cabinet 1 again, and then the outer cabinet 2 is fixed to the inner cabinet 1 by the locking assembly.

[0044] Reference Figure 1 - Fig. 9 The locking assembly includes rectangular blocks 10 symmetrically fixed to the bottom of the left and right sides of the outer cabinet 2; a strip hole 11 is formed on the outer end surface of each rectangular block 10, and the strip hole 11 passes through the inner wall of the outer cabinet 2, and a T-shaped locking rod 12 is slidably connected to the strip hole 11;

[0045] Each of the locking rods 12 includes a clamping rod 13 and a sliding rod 14, one end of the sliding rod 14 is vertically fixed to the middle position of the clamping rod 13, the clamping rod 13 is located in the gap between the outer cabinet 2 and the inner cabinet 1, and the other end of the sliding rod 14 extends to the outside of the strip hole 11;

[0046] Two groups of limit strips 15 are respectively arranged on both sides of each heat dissipation port, and the two groups of limit strips 15 on the same side are arranged up and down, and the clamping rod 13 can slide between two adjacent limit strips 15 in the same group; the locking component is used to fix the outer cabinet 2 and the inner cabinet 1; when the power distribution cabinet is not performing power operation, the outer cabinet 2 is locked and fixed at the lower end position of the inner cabinet 1, and when the power operation is performed, the outer cabinet 2 is locked and fixed at the upper end position of the inner cabinet 1. When the locking component is specifically operated, when the sliding rod 14 moves to the middle position of the strip hole 11, the clamping rod 13 is located between the two groups of limit strips 15 on the same side of the inner cabinet 1, that is, the clamping rod 13 can move up and down at this time without interfering with the limit strips 15; move the sliding rod 14 to the strip hole 11 The outer cabinet 2 is moved to the middle position, and then the outer cabinet 2 is lifted up until the lower end of the outer cabinet 2 corresponds to the upper end of the inner cabinet 1, and the sliding rod 14 is pushed. The sliding rod 14 drives the card rod 13 to be embedded between the two adjacent limit strips 15 at the upper side of the inner cabinet 1. At this time, the outer cabinet 2 and the inner cabinet 1 are fixed, and the front and back sides of the inner cabinet 1 are completely exposed, and the electrician can easily perform power operations; when the power operation is completed, the sliding rod 14 is moved to the middle position of the strip hole 11. At this time, the card rod 13 is lost between the outer cabinet 2 and the inner cabinet 1, and the outer cabinet 2 is lowered. The outer cabinet 2 covers the inner cabinet 1 again, and then the sliding rod 14 is pushed again. The sliding rod 14 drives the card rod 13 to be embedded between the two adjacent limit strips 15 at the bottom of the inner cabinet 1. At this time, the inner cabinet 1 and the outer cabinet 2 are fixed again.

[0047] Reference Figure 1 and Figure 8The outer end surface of each rectangular block 10 is symmetrically provided with a C-shaped elastic snap ring 16, the elastic snap ring 16 is arranged on both sides of the strip hole 11, and the two opposite elastic snap ring 16 openings are arranged opposite to each other, and the elastic snap ring 16 can clamp the slide bar 14; the elastic snap ring 16 is provided, when the outer cabinet 2 moves to the upper end position of the inner cabinet 1, the slide bar 14 is embedded in the elastic snap ring 16, and the elastic snap ring 16 clamps the slide bar 14, making it difficult to move by itself, thereby constraining the clamping rod 13 between the limit strips 15, and then ensuring the stability between the outer cabinet 2 and the inner cabinet 1, avoiding the clamping rod 13 accidentally detaching from the limit strip 15 during power operation, and preventing the outer cabinet 2 from automatically falling, causing power operation accidents.

[0048] Reference Figure 1 , Figure 8 and Fig. 9 A plurality of through holes 17 are formed on the upper surface of each rectangular block 10. The through holes 17 are respectively arranged on both sides of the rectangular block 10, and each through hole 17 vertically penetrates the rectangular block 10;

[0049] The slide bar 14 is provided with a fixing hole 18, and the slide bar 14 slides into the elastic clamp 16, with the fixing hole 18 facing the through hole 17; when the power distribution cabinet is not performing power operation, it needs to be locked to prevent illegal operation by non-power personnel; at this time, the inner cabinet 1 and the outer cabinet 2 can be locked with a lock 29; during specific operation, the U-shaped rod of the lock 29 is passed through the through hole 17 and the fixing hole 18, and then the lock 29 is locked, at which time the position of the slide bar 14 in the strip hole 11 is fixed, thereby locking the outer cabinet 2 to the inner cabinet 1.

[0050] Reference Figure 1 - Figure 6 , a plurality of plug-in tubes 19 are provided on the upper end surface of the inner cabinet 1, and the lower ends of the plug-in tubes 19 extend to the top of the inner cabinet 1;

[0051] The outer cabinet 2 is mounted on the inner cabinet 1, and a plurality of plug rods 20 are arranged on the top of the outer cabinet 2. The plug rods 20 correspond to the plug tubes 19 one by one, and the plug rods 20 are connected to external cables. During power operation, for safe operation, it is necessary to cut off the power before performing power operation. One end of the cable connected to the power distribution cabinet is disconnected in advance. For safety reasons, a secondary power-off protection is provided on the power distribution cabinet in this embodiment; that is, the power supply in the power distribution cabinet is disconnected by moving the outer cabinet 2 upward; the outer cabinet 2 is lifted, and the outer cabinet 2 drives the plug rod 20 to disengage from the plug tube 19, while the other end of the plug rod 20 is connected to the external cable, and the lower end of the plug tube 19 is electrically connected to the power controller inside the inner cabinet 1, and the plug rod 20 is disengaged from the plug tube 19, so that the secondary power off of the power is achieved, thereby improving the safety of power operation.

[0052] Reference Figure 1 and Figure 4, observation windows 21 are provided on the front and rear side walls of the outer cabinet 2, and the observation windows 21 are provided with glass; handles are provided at the lower corners of the outer cabinet 2; the observation window 21 is provided on the outer cabinet 2, and during the cooperation between the plug rod 20 and the plug tube 19, the plugging condition of the plug rod 20 and the plug tube 19 can be observed through the observation window 21 to ensure the stability of the electrical connection, and at the same time, a handle is provided on the outer cabinet 2, and the handle facilitates pulling the outer cabinet 2, and a plurality of buffer springs 22 are provided at the corners of the upper end surface of the inner cabinet 1, and the buffer springs 22 can buffer the downward pressure damage of the outer cabinet 2 on the inner cabinet 1; the buffer springs 22 are provided to buffer the collision between the outer cabinet 2 and the inner cabinet 1 during the lowering process of the outer cabinet 2, which is a protection for the power distribution cabinet.

[0053] Reference Figure 1 and Figure 4 A plurality of tube bodies 23 are arranged at the corner positions of the inner top surface of the outer cabinet 2, and the plurality of tube bodies 23 correspond to the plurality of buffer springs 22 one by one. A capsule body 24 is arranged inside the tube body 23, and the capsule body 24 is connected to the hollow sealing strip 26 arranged at the lower end surface of the outer cabinet 2 through a hose 25, and the hose 25 extends vertically downward along the inner corner position of the outer cabinet 2 to the lower end surface position of the outer cabinet 2; the capsule body 24 is arranged, and after the outer cabinet 2 is lowered onto the inner cabinet 1, the buffer spring 22 squeezes the capsule body 24, and the gas inside the capsule body 24 is injected into the hollow sealing strip 26 along the hose 25, at which time the hollow sealing strip 26 expands and becomes larger, filling the gap between the outer cabinet 2 and the inner cabinet 1, reducing the possibility of insects crawling into the inner cabinet 1, and at the same time reducing the possibility of dust penetrating into the inner cabinet 1 along the gap.

[0054] Reference Figure 1 and Figure 4 A plurality of rollers 27 are arranged in each of the rectangular openings 6. The rollers 27 are fixedly connected to the inner wall of the rectangular openings 6, and a brush is arranged on the surface of each roller 27. When the outer cabinet 2 is moved up and down, the brush can clean the dustproof net. A brush is arranged on the roller 27. When the outer cabinet 2 is moved up, the brush on the roller 27 cleans the dust on the dustproof net 5. When the outer cabinet 2 is moved down, the brush on the roller 27 cleans the dust on the dustproof net 5 again. The dustproof net 5 is cleaned to ensure the permeability of the dustproof net 5.

[0055] Reference Figure 1 and Figure 3 The base 3 has left and right sides with clearance openings 28; the clearance openings 28 are opposite to the U-shaped rod of the lock 29. When the outer cabinet 2 is seated on the base 3, the lock 29 is used to lock the outer cabinet 2 and the inner cabinet 1. The locking rod 12 passes through the through hole 17 and the fixing hole 18. At the same time, the locking rod 12 is placed in the clearance openings 28 to ensure that the locking rod 12 can be flexibly telescopically moved.

[0056] Working principle: In this embodiment, a power distribution cabinet that is easy to operate with electricity is designed; when in use, the locking assembly is operated, and the locking assembly no longer locks the outer cabinet 2 on the inner cabinet 1, and the outer cabinet 2 is lifted up, and the sleeve 8 slides upward along the guide rod 9, and the outer cabinet 2 is lifted up to the upper end surface position of the inner cabinet 1, and then the outer cabinet 2 is fixed by the locking assembly. At this time, the outer cabinet 2 is fixed to the upper end surface position of the inner cabinet 1, and the front and rear sides of the inner cabinet 1 are completely exposed. When the electrician performs the electricity operation, he can perform it from the front and rear sides of the inner cabinet 1, and the control space is not restricted. At the same time, the visual range is increased, and the electrician can observe the operation more comprehensively, and at the same time, the safety of the power construction can be improved; after the power operation is completed, the locking assembly is operated to lower the outer cabinet 2, and the outer cabinet 2 can cover the inner cabinet 1 again, and then the outer cabinet 2 is fixed to the inner cabinet 1 by the locking assembly;

[0057] The locking assembly is used to fix the outer cabinet 2 to the inner cabinet 1; when the power distribution cabinet is not performing power operation, the outer cabinet 2 is locked and fixed at the lower end position of the inner cabinet 1; when the power operation is performed, the outer cabinet 2 is locked and fixed at the upper end position of the inner cabinet 1. During the specific operation of the locking assembly, when the slide bar 14 moves to the middle position of the strip hole 11, the clamping rod 13 is located between the two groups of limit strips 15 on the same side of the inner cabinet 1, that is, the clamping rod 13 can move up and down at this time without interfering with the limit strip 15; move the slide bar 14 to the middle position of the strip hole 11, and then lift the outer cabinet 2 until the lower end of the outer cabinet 2 corresponds to the upper end of the inner cabinet 1, and then push The slide bar 14 is moved, and the slide bar 14 drives the clamping bar 13 to be embedded between two adjacent limit bars 15 at the upper side of the inner cabinet 1. At this time, the outer cabinet 2 and the inner cabinet 1 are fixed, and the front and rear sides of the inner cabinet 1 are completely exposed, so that the electrician can easily perform power operations; when the power operation is completed, the slide bar 14 is moved to the middle position of the bar hole 11, and the clamping bar 13 is no longer fixed between the outer cabinet 2 and the inner cabinet 1, and the outer cabinet 2 is lowered, and the outer cabinet 2 covers the inner cabinet 1 again, and then the slide bar 14 is pushed again, and the slide bar 14 drives the clamping bar 13 to be embedded between two adjacent limit bars 15 at the bottom of the inner cabinet 1, and the inner cabinet 1 and the outer cabinet 2 are fixed again;

[0058] An elastic snap ring 16 is provided. When the outer cabinet 2 moves to the upper end of the inner cabinet 1, the slide bar 14 is embedded in the elastic snap ring 16. The elastic snap ring 16 clamps the slide bar 14, making it difficult for it to move by itself, thereby constraining the clamping rod 13 between the limit bars 15, thereby ensuring the stability between the outer cabinet 2 and the inner cabinet 1, and preventing the clamping rod 13 from accidentally detaching from the limit bars 15 during power operation, and preventing the outer cabinet 2 from automatically falling, causing power operation accidents;

[0059] When the power distribution cabinet is not operated, it needs to be locked to prevent illegal operation by non-power personnel; at this time, the inner cabinet 1 and the outer cabinet 2 can be locked with a lock 29; during the specific operation, the U-shaped rod of the lock 29 is passed through the through hole 17 and the fixing hole 18, and then the lock 29 is locked, and the position of the slide bar 14 in the strip hole 11 is fixed, so that the outer cabinet 2 is locked on the inner cabinet 1;

[0060] During power operation, for safe operation, it is necessary to cut off the power before performing power operation. One end of the cable connected to the power distribution cabinet is disconnected in advance. For safety reasons, a secondary power-off protection is provided on the power distribution cabinet in this embodiment; that is, the power supply in the power distribution cabinet is disconnected by moving the outer cabinet 2 upward; the outer cabinet 2 is lifted, and the outer cabinet 2 drives the plug rod 20 to be separated from the plug tube 19, and the other end of the plug rod 20 is connected to the external cable, and the lower end of the plug tube 19 is electrically connected to the power controller inside the inner cabinet 1, and the plug rod 20 is separated from the plug tube 19, so that the power supply is cut off twice, thereby improving the safety of power operation;

[0061] An observation window 21 is provided on the outer cabinet 2. During the cooperation between the plug rod 20 and the plug tube 19, the plugging condition of the plug rod 20 and the plug tube 19 can be observed through the observation window 21 to ensure the stability of the electrical connection. At the same time, a handle is provided on the outer cabinet 2, which facilitates the outer cabinet 2 to be moved up and down.

[0062] A buffer spring 22 is provided to buffer the collision between the outer cabinet 2 and the inner cabinet 1 during the lowering process of the outer cabinet 2, thereby protecting the power distribution cabinet; a capsule 24 is provided, and after the outer cabinet 2 is lowered onto the inner cabinet 1, the buffer spring 22 squeezes the capsule 24, and the gas inside the capsule 24 is injected into the hollow sealing strip 26 along the hose 25. At this time, the hollow sealing strip 26 expands and fills the gap between the outer cabinet 2 and the inner cabinet 1, thereby reducing the possibility of insects crawling into the inner cabinet 1, and at the same time reducing the possibility of dust penetrating into the inner cabinet 1 along the gap;

[0063] A brush is arranged on the roller body 27. When the outer cabinet 2 moves upward, the brush on the roller body 27 cleans the dust on the dust screen 5. When the outer cabinet 2 moves downward, the brush on the roller body 27 cleans the dust on the dust screen 5 again. The dust screen 5 is cleaned to ensure the permeability of the dust screen 5.

[0064] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A power distribution cabinet, characterized in that: It comprises an inner cabinet (1) and an outer cabinet (2), wherein the outer cabinet (2) is sleeved on the inner cabinet (1); a base (3) is provided on the lower end surface of the inner cabinet (1), and a transverse bar (4) arranged up and down is provided on the upper surface of the base (3); and a power controller is installed on the transverse bar (4); The front and rear side walls of the inner cabinet (1) are of an open design, and the left and right side walls of the inner cabinet (1) are provided with heat dissipation openings, and dust screens (5) are provided at the positions of the heat dissipation openings; The outer cabinet (2) has rectangular openings (6) on the left and right sides, and the rectangular openings (6) are opposite to the heat dissipation openings; a frame (7) is provided at the bottom of the outer cabinet (2), and a sleeve (8) is provided at the inner corner of the frame (7); A guide rod (9) is provided at the outer vertical side rib of the inner cabinet (1), and the sleeve (8) is sleeved on the guide rod (9) and slides up and down; A locking assembly is also provided between the inner cabinet (1) and the outer cabinet (2), and the locking assembly is used to fix the outer cabinet (2) to the inner cabinet (1); The locking assembly comprises rectangular blocks (10) symmetrically fixed to the bottom of the left and right sides of the outer cabinet (2); a strip hole (11) is formed on the outer end surface of each rectangular block (10), the strip hole (11) passes through the inner wall of the outer cabinet (2), and a T-shaped locking rod (12) is slidably connected to the strip hole (11); Each of the locking rods (12) comprises a clamping rod (13) and a sliding rod (14), one end of the sliding rod (14) is vertically fixed to the middle position of the clamping rod (13), the clamping rod (13) is located in the gap between the outer cabinet (2) and the inner cabinet (1), and the other end of the sliding rod (14) extends to the outside of the strip hole (11); Two groups of limit strips (15) are respectively arranged on both sides of each heat dissipation opening, and the two groups of limit strips (15) on the same side are arranged vertically, and the clamping rod (13) can slide between two adjacent limit strips (15) in the same group.

2. A power distribution cabinet according to claim 1, characterized in that: The outer end surface of each rectangular block (10) is symmetrically provided with a C-shaped elastic snap ring (16), the elastic snap ring (16) being arranged on both sides of the strip hole (11), and the openings of two opposite elastic snap rings (16) being arranged opposite to each other, and the elastic snap ring (16) can snap onto the slide rod (14).

3. A power distribution cabinet according to claim 2, characterized in that: A plurality of through holes (17) are provided on the upper surface of each rectangular block (10), the through holes (17) are respectively arranged at two sides of the rectangular block (10), and each through hole (17) vertically penetrates the rectangular block (10); The slide bar (14) is provided with a fixing hole (18), the slide bar (14) slides into the elastic clamping ring (16), the fixing hole (18) is opposite to the through hole (17), and a lock (29) is provided between the fixing hole (18) and the through hole (17).

4. The power distribution cabinet according to claim 1, characterized in that: A plurality of plug-in tubes (19) are provided on the upper end surface of the inner cabinet (1), and the lower ends of the plug-in tubes (19) extend to the top of the inner cabinet (1); The outer cabinet (2) is sleeved on the inner cabinet (1), and a plurality of plug rods (20) are arranged on the top of the outer cabinet (2), the plug rods (20) correspond to the plug tubes (19) one by one, and the plug rods (20) are connected to external cables.

5. The power distribution cabinet according to claim 4, characterized in that: Observation windows (21) are provided on the front and rear side walls of the outer cabinet (2), and the observation windows (21) are provided with glass; handles are provided at the lower corners of the outer cabinet (2).

6. The power distribution cabinet according to claim 4, characterized in that: A buffer spring (22) is provided at a corner position of the upper end surface of the inner cabinet (1), and the buffer spring (22) can buffer the downward pressure damage to the inner cabinet (1) caused by the outer cabinet (2).

7. The power distribution cabinet according to claim 6, characterized in that: A plurality of tubes (23) are arranged at the corner positions of the inner top surface of the outer cabinet (2), the plurality of tubes (23) corresponding to the buffer springs (22) one by one, a capsule (24) is arranged inside the tube (23), the capsule (24) is connected to a hollow sealing strip (26) arranged at the lower end surface of the outer cabinet (2) through a hose (25), and the hose (25) extends vertically downward along the inner corner position of the outer cabinet (2) to the lower end surface position of the outer cabinet (2).

8. The power distribution cabinet according to claim 1, characterized in that: A plurality of roller bodies (27) are arranged in each of the rectangular openings (6). The roller bodies (27) are fixedly connected to the inner wall of the rectangular opening (6), and a brush is arranged on the surface of each roller body (27). When the outer cabinet (2) is moved up and down, the brush can clean the dustproof net.

9. The power distribution cabinet according to claim 1, characterized in that: The base (3) has clearance openings (28) on the left and right sides.

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