An ups power cabinet

Abstract

The application belongs to the technical field of power supply cabinets, and particularly discloses a UPS power supply cabinet, which comprises a shell, a notch at the rear side of the shell, a ventilation opening arranged in the notch, a dustproof assembly installed on the notch, a dustproof cover, a rotating plate, a baffle, an outer plate and a screw rod, the rotating plate is provided in two, the two rotating plates are respectively arranged at the two sides of the notch, the bottom end of the rotating plate is connected with the baffle through a bottom ring, the top end of the rotating plate is provided with a top ring, the screw rod spirally penetrates the two top rings, the rotating screw rod is matched with the top ring to make the two rotating plates close to each other, and the front side of the outer plate is provided with a support. The clamping cooperation of the clamping teeth and the rack is convenient for clamping the dustproof cover with different thicknesses by the frame plate and the outer plate, the screw rod is matched with the top ring at this time, the cooperation of the two side plates is convenient for clamping the dustproof cover with different widths, and thus the dustproof cover with different shapes can be replaced in the notch.

Description

Technical Field

[0001] This invention belongs to the field of power cabinet technology, and specifically relates to a UPS power cabinet. Background Technology

[0002] An uninterruptible power supply (UPS) is a system that connects a battery to a main unit and converts DC power into AC power through the main unit's inverter and other module circuits. It is mainly used to provide a stable and uninterrupted power supply to a single computer, communication equipment room, computer network system, or other power electronic equipment such as solenoid valves and pressure transmitters.

[0003] When a UPS (Uninterruptible Power Supply) is dissipating heat, it uses a dust filter to block and filter dust and other particles in the air. However, after prolonged use, the mesh of the dust filter can become clogged with dust, making it difficult for air to circulate through the filter. This prevents the heat inside the UPS from being effectively dissipated, causing the internal temperature of the power supply to rise and shortening the lifespan of its internal electrical components.

[0004] Therefore, it is necessary to invent a UPS power cabinet to solve the above problems. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides a UPS power cabinet to solve the issues raised in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a UPS power cabinet, comprising a housing and a slot on the rear side of the housing, wherein a ventilation opening is provided inside the slot, and a dustproof component is installed on the slot. The dustproof component includes: a dust cover, a rotating plate, a baffle, an outer plate, and a screw. The rotating plate is configured to have two rotating plates, which are respectively located on both sides of the slot. The bottom end of the rotating plate is connected to the baffle by a bottom ring, and the top end of the rotating plate is provided with a top ring. The screw spirally passes through the two top rings, and the rotating screw brings the two rotating plates closer to each other through the top rings. A bracket is installed on the front side of the outer plate, and the dust cover is placed inside the bracket. The moving rotating plate uses the outer plate to make the bracket clamp the dust cover. The front side of the dust cover is provided with an opening, and the opening corresponds to the ventilation opening. A crossbar corresponding to the bottom ring is installed on the rear side of the housing, and the bottom ring is rotatably sleeved on the surface of the crossbar.

[0007] Furthermore, two limiting rods penetrate the surface of the rotating plate, and the two limiting rods are parallel to each other. Both the rear side of the rotating plate and the rear side of the outer plate are provided with protruding rings, and the limiting rods correspondingly penetrate the protruding rings on the rear side of the rotating plate and the rear side of the outer plate.

[0008] Furthermore, an arc-shaped strip is fixed to the front side of the outer plate, and multiple notches are provided on the top surface of the arc-shaped strip. The rotating plate uses a limiting rod to make the outer plate rotate synchronously, and the outer plate makes the arc-shaped strip enter the slot.

[0009] Furthermore, both inner walls of the slot are fixed with locking parts corresponding to the arc-shaped strip. The locking parts include: a protrusion, a movable frame, an elastic element, and a round head. The protrusion is installed on the inner wall of the slot, and the bottom surface of the protrusion is set as an arc-shaped surface. The bottom surface of the protrusion mates with the top surface of the arc-shaped strip. A vertical groove is opened on the inner side of the protrusion, and the top of the movable frame is located inside the vertical groove. The top surface of the movable frame is connected to the top surface of the inner side of the vertical groove by an elastic element. A round head is connected to the bottom end of the movable frame, and the round head corresponds to the notch.

[0010] Furthermore, the bracket includes: a side plate, a frame plate, a slide rod, and a nut; the side plate is fixed to the front side of the outer plate, the frame plate is provided on the inner side of the side plate, the slide rod is fixed at the top and bottom of the outer side of the frame plate, and the side plate surface is provided with a slide groove corresponding to the slide rod, and the outer end of the slide rod is screwed with a nut.

[0011] Furthermore, a positioning plate is provided on the outer side of the side plate, a slide rod passes through the positioning plate, the positioning plate is vertically positioned, and the nut cooperates with the slide rod to limit the positioning plate.

[0012] Furthermore, the outer side of the side plate is provided with a rack, the inner side of the positioning plate is provided with a groove, and the groove is provided with a locking tooth, which engages with the rack.

[0013] Furthermore, the inner side of the side panel is fitted with the side of the dust cover, and the rear side of the frame panel is fitted with the front side of the dust cover.

[0014] The technical effects and advantages of this invention are as follows:

[0015] 1. This invention uses the snap-fit ​​mechanism of the teeth and the rack to facilitate the clamping of dust covers of different thicknesses between the frame plate and the outer plate. At this time, the rotating screw and the top ring are screwed together to facilitate the clamping of dust covers of different widths between the two side plates, thereby allowing the replacement of dust covers of different shapes inside the slot.

[0016] 2. The present invention facilitates the installation of dustproof components on different rear sides of the housing by means of the screw and the top ring spiral engagement. The bottom ring and the crossbar rotation engagement allows the dustproof cover of the dustproof component to block the ventilation opening, preventing external dust from entering the housing through the ventilation opening, thus completing the dustproof treatment of the housing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the front side of the UPS power cabinet according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the dust cover sealing groove in an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the rear side of the UPS power cabinet according to an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the overall dustproof component according to an embodiment of the present invention;

[0021] Figure 5 This is an embodiment of the present invention. Figure 3 Enlarged view of part A in the diagram;

[0022] Figure 6 This is a schematic diagram of the interaction between the arc-shaped strip and the protrusion in an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the mounting bracket on the front side of the outer panel according to an embodiment of the present invention;

[0024] Figure 8 This is a schematic diagram of the overall positioning plate according to an embodiment of the present invention;

[0025] In the diagram: 1. Outer shell; 2. Groove; 201. Ventilation opening; 3. Dust cover; 301. Through-hole; 4. Turning plate; 401. Bottom ring; 402. Top ring; 5. Baffle; 6. Outer plate; 7. Screw; 8. Crossbar; 9. Limiting rod; 10. Protruding ring; 11. Arc strip; 111. Notch; 12. Protrusion; 13. Movable frame; 14. Elastic element; 15. Round head; 16. Side plate; 17. Frame plate; 18. Slide rod; 19. Nut; 20. Positioning plate; 21. Rack; 22. Clamping tooth. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0027] This invention provides a UPS power supply cabinet, such as Figures 1 to 4 As shown, the device includes an outer shell 1 and a slot 2 located on the rear side of the outer shell 1. The slot 2 has a ventilation opening 201 inside, and a dustproof assembly is installed on the slot 2. The dustproof assembly includes a dust cover 3, a rotating plate 4, a baffle 5, an outer plate 6, and a screw 7. There are two rotating plates 4, which are located on opposite sides of the slot 2. The bottom of the rotating plate 4 is connected to the baffle 5 by a bottom ring 401, and the top of the rotating plate 4 is provided with a top ring 402. The screw 7 spirally passes through the two top rings 402. The rotating screw 7 moves the two rotating plates 4 closer to each other through the top rings 402. A bracket is installed on the front side of the outer plate 6, and the dust cover 3 is placed inside the bracket. The moving rotating plate 4 uses the outer plate 6 to make the bracket clamp the dust cover 3. The front side of the dust cover 3 is provided with a through opening 301, which corresponds to the ventilation opening 201. A crossbar 8 corresponding to the bottom ring 401 is installed on the rear side of the outer shell 1. The bottom ring 401 is rotatably sleeved on the surface of the crossbar 8. Two limiting rods 9 pass through the surface of the rotating plate 4. The two limiting rods 9 are parallel to each other. A protruding ring 10 is provided on the rear side of the rotating plate 4 and the rear side of the outer plate 6. The limiting rods 9 pass through the protruding ring 10 on the rear side of the rotating plate 4 and the rear side of the outer plate 6 respectively.

[0028] Specifically, rotating the screw 7 causes the rotating plate 4 to move because the top ring 402 is helically sleeved on the surface of the screw 7. The rotating screw 7 and the top ring 402 cooperate to move the rotating plate 4. By utilizing the cooperation between the limiting rod 9 and the convex ring 10, the rotating plate 4 can move smoothly. Since the internal threads of the two top rings 402 are in opposite directions, rotating the screw 7 causes the two rotating plates 4 to move closer or further apart.

[0029] The rotating screw 7 causes the two rotating plates 4 to move closer to each other until the bottom ring 401 of the rotating plate 4 corresponds to the inner end of the crossbar 8. Then the screw 7 rotates in the opposite direction. At this time, the screw 7 and the top ring 402 are screwed together, which causes the two rotating plates 4 to separate from each other. At this time, the rotating plate 4 causes the bottom ring 401 to be sleeved on the inner end of the crossbar 8. At this time, the rotating plate 4 is installed on the rear side of the outer casing 1.

[0030] Pull the screw 7, which causes the rotating plate 4 to rotate via the top ring 402. The rotating plate 4 rotates on the surface of the crossbar 8 via the bottom ring 401. The rotating plate 4 causes the bottom end of the baffle 5 to approach the rear side of the outer casing 1. At this time, the rotating plate 4 is tilted at the rear side of the outer casing 1 until the bottom end of the baffle 5 contacts the rear side of the outer casing 1, at which point the rotating plate 4 stops rotating. Place the dust cover 3 on the bracket on the front side of the rotating plate 4 and push the screw 7 forward. The screw 7 causes the rotating plate 4 to rotate. At this time, the rotating plate 4 causes the bottom end of the baffle 5 to move away from the rear side of the outer casing 1 until the front side of the rotating plate 4 is in contact with the rear side of the outer casing 1. At this time, the dust cover 3 can block the ventilation opening 201 through the opening 301, making it convenient to select an appropriate dust cover 3 according to the size of the ventilation opening 201.

[0031] In this embodiment, the screw 7 and the top ring 402 are screwed together to facilitate the installation of the dustproof components on the rear side of different housings 1. The bottom ring 401 and the crossbar 8 are rotated together to make the dustproof cover 3 of the dustproof components block the ventilation opening 201, preventing external dust from entering the housing 1 through the ventilation opening 201, thus completing the dustproof treatment of the housing 1.

[0032] To lock the rotating plate 4 on the rear side of the outer casing 1, the rotating plate 4 is defined by the arc-shaped strip 11 and the locking part. Figure 2 , Figures 4 to 6In the middle, an arc-shaped strip 11 is fixed to the front side of the outer plate 6. The top surface of the arc-shaped strip 11 is provided with multiple notches 111. The rotating plate 4 uses the limiting rod 9 to make the outer plate 6 rotate synchronously, and the outer plate 6 makes the arc-shaped strip 11 enter the groove 2. The two inner side walls of the groove 2 are fixed with locking parts corresponding to the arc-shaped strip 11. The locking parts include: a protrusion 12, a movable frame 13, an elastic element 14, and a round head 15. The elastic element 14 is set as a spring piece. The protrusion 12 is installed on the inner side wall of the groove 2, and the bottom surface of the protrusion 12 is set as an arc surface. The bottom surface of the protrusion 12 cooperates with the top surface of the arc-shaped strip 11. A vertical groove is opened on the inner side of the protrusion 12, and the top of the movable frame 13 is located inside the vertical groove. The top surface of the movable frame 13 is connected to the inner top surface of the vertical groove by the elastic element 14. The bottom end of the movable frame 13 is connected to the round head 15, and the round head 15 corresponds to the notch 111.

[0033] Specifically, when the screw 7 is pushed close to the rear side of the outer casing 1, the screw 7 uses the top ring 402 to make the rotating plate 4 rotate. At this time, the bottom end of the rotating plate 4 rotates on the surface of the crossbar 8 using the bottom ring 401. The rotating plate 4 drives the outer plate 6 to rotate synchronously using the limiting rod 9. At this time, the outer plate 6 drives the arc strip 11 to approach the protrusion 12 until the top surface of the arc strip 11 contacts the bottom surface of the protrusion 12, and then the top surface of the arc strip 11 slides on the bottom surface of the protrusion 12.

[0034] When the bottom of the round head 15 contacts the top surface of the arc strip 11, the pressure of the top surface of the arc strip 11 on the round head 15 causes the round head 15 to move upward. The upward-moving round head 15 uses the movable frame 13 to squeeze the elastic element 14 inside the vertical groove. The elastic force of the elastic element 14 makes the bottom of the round head 15 fit with the top surface of the arc strip 11. The rotating outer plate 6 makes the arc strip 11 slide at the bottom of the round head 15. When the round head 15 corresponds to the notch 111, the elastic force of the elastic element 14 makes the round head 15 snap into the notch 111. The rotating outer plate 6 makes the arc strip 11 continue to move until the front side of the outer plate 6 fits with the rear side of the outer shell 1. At this time, the notch 111 on the last side of the arc strip 11 and the round head 15 are engaged.

[0035] Pull the screw 7 away from the outer shell 1. The screw 7 uses the limiting rod 9 to make the outer plate 6 rotate. The outer plate 6 makes the arc strip 11 slide on the bottom surface of the protrusion 12. Under the elastic force of the elastic element 14, the round head 15 and the different notches 111 of the arc strip 11 can be matched and snapped. The outer plate 6 can be tilted at different angles on the rear side of the outer shell 1 to quickly replace the dust cover 3 inside the slot 2.

[0036] In this embodiment, the elastic force of the elastic member 14 limits the round head 15 and the notch 111, which makes it convenient for the outer plate 6 to tilt at different angles on the rear side of the outer shell 1, and facilitates the quick replacement of the dust cover 3 inside the slot 2.

[0037] To define the dust cover 3 inside the bracket, the dust cover 3 is defined by the side plate 16 and the frame plate 17. Figure 2 , Figure 4 , Figure 7 and Figure 8 The bracket includes: a side plate 16, a frame plate 17, a sliding rod 18, and a nut 19. The side plate 16 is fixed to the front side of the outer plate 6. The frame plate 17 is provided on the inner side of the side plate 16. The top and bottom of the outer side of the frame plate 17 are fixed with sliding rods 18. The surface of the side plate 16 has a groove 161 corresponding to the sliding rod 18, and the outer end of the sliding rod 18 is screwed with a nut 19. A positioning plate 20 is provided on the outer side of the side plate 16. The sliding rod 18 passes through the positioning plate 20. The positioning plate 20 is vertically set, and the nut 19 cooperates with the sliding rod 18 to limit the positioning plate 20. A rack 21 is provided on the outer side of the side plate 16. A slot is provided on the inner side of the positioning plate 20, and a locking tooth 22 is provided inside the slot. The locking tooth 22 cooperates with the rack 21. The inner side of the side plate 16 is in contact with the side of the dust cover 3, and the rear side of the frame plate 17 is in contact with the front side of the dust cover 3.

[0038] Specifically, the dust cover 3 is placed on top of the frame plate 17. Loosen the nut 19 and pull the positioning plate 20 away from the side plate 16. The positioning plate 20 slides on the surface of the slide bar 18 until the outer side of the positioning plate 20 is in contact with the inner side of the nut 19. At this time, the positioning plate 20 makes the locking teeth 22 move away from the rack 21, pushing the frame plate 17 to move backward. The backward movement of the frame plate 17 makes the dust cover 3 move synchronously until the rear side of the dust cover 3 is in contact with the front side of the outer plate 6. Tighten the nut 19. The screw engagement between the nut 19 and the slide bar 18 makes the positioning plate 20 close to the side plate 16. At this time, the positioning plate 20 uses the locking teeth 22 to snap onto the outside of the rack 21. The frame plate 17 and the outer plate 6 clamp the dust covers 3 of different thicknesses.

[0039] Rotate the screw 7, and the screw 7 will engage with the top ring 402. At this time, the two rotating plates 4 will move closer to each other, and the rotating plates 4 will push the outer plate 6 to move inward. The two outer plates 6 will move closer to each other, and the outer plates 6 will drive the bracket to move synchronously until the two side plates 16 cooperate to clamp the dust cover 3 of different widths.

[0040] In this embodiment, the snap-fit ​​between the tooth 22 and the rack 21 facilitates the clamping of dust covers 3 of different thicknesses between the frame plate 17 and the outer plate 6. At this time, the rotating screw 7 and the top ring 402 are screwed together, which facilitates the two side plates 16 to clamp dust covers 3 of different widths, thereby allowing the replacement of dust covers 3 of different shapes inside the slot 2.

[0041] In this embodiment,

[0042] Working principle of this invention:

[0043] Reference Figures 1 to 8As shown, the rotating screw 7 causes the two rotating plates 4 to move closer to each other until the bottom ring 401 of the rotating plate 4 corresponds to the inner end of the crossbar 8. Then the screw 7 rotates in the opposite direction. At this time, the screw 7 and the top ring 402 are screwed together, which causes the two rotating plates 4 to separate from each other. At this time, the rotating plate 4 causes the bottom ring 401 to be sleeved on the inner end of the crossbar 8. At this time, the rotating plate 4 is installed on the rear side of the outer casing 1.

[0044] Pull the screw 7, and the screw 7 will cause the rotating plate 4 to rotate using the top ring 402. The rotating plate 4 will rotate on the surface of the crossbar 8 using the bottom ring 401. The rotating plate 4 will cause the bottom end of the baffle 5 to approach the rear side of the outer shell 1. At this time, the rotating plate 4 will tilt on the rear side of the outer shell 1 until the bottom end of the baffle 5 contacts the rear side of the outer shell 1. At this time, the rotating plate 4 will stop rotating. Place the dust cover 3 on the bracket on the front side of the rotating plate 4, loosen the nut 19, and pull the positioning plate 20 away from the side plate 16. The positioning plate 20 slides on the surface of the slide bar 18 until the outer side of the positioning plate 20 is in contact with the inner side of the nut 19. At this time, the positioning plate 20 causes the locking teeth 22 to move away from the rack 21, pushing the frame plate 17 to move backward. The backward movement of the frame plate 17 causes the dust cover 3 to move synchronously until the rear side of the dust cover 3 is in contact with the front side of the outer plate 6. Tighten the nut 19. The screw engagement between the nut 19 and the slide bar 18 causes the positioning plate 20 to move closer to the side plate 16. At this time, the positioning plate 20 uses the locking teeth 22 to snap onto the outside of the rack 21. The frame plate 17 and the outer plate 6 clamp the dust covers 3 of different thicknesses.

[0045] Rotate the screw 7, and the screw 7 will engage with the top ring 402. At this time, the two rotating plates 4 will move closer to each other, and the rotating plates 4 will push the outer plate 6 to move inward. The two outer plates 6 will move closer to each other, and the outer plates 6 will drive the bracket to move synchronously until the two side plates 16 cooperate to clamp the dust cover 3 of different widths.

[0046] Push the screw 7 forward, and the screw 7 causes the rotating plate 4 to rotate. At this time, the rotating plate 4 causes the bottom of the baffle 5 to move away from the rear side of the outer shell 1 until the front side of the rotating plate 4 is in contact with the rear side of the outer shell 1. At this time, the dust cover 3 can block the ventilation port 201 with the opening 301, so that the appropriate dust cover 3 can be selected according to the size of the ventilation port 201.

[0047] When the screw 7 is pushed close to the rear side of the outer casing 1, the screw 7 causes the rotating plate 4 to rotate using the top ring 402. At this time, the bottom end of the rotating plate 4 rotates on the surface of the crossbar 8 using the bottom ring 401. The rotating plate 4 drives the outer plate 6 to rotate synchronously using the limiting rod 9. At this time, the outer plate 6 drives the arc strip 11 to approach the protrusion 12 until the top surface of the arc strip 11 contacts the bottom surface of the protrusion 12, at which point the top surface of the arc strip 11 slides on the bottom surface of the protrusion 12.

[0048] When the bottom of the round head 15 contacts the top surface of the arc strip 11, the pressure of the top surface of the arc strip 11 on the round head 15 causes the round head 15 to move upward. The upward-moving round head 15 uses the movable frame 13 to squeeze the elastic element 14 inside the vertical groove. The elastic force of the elastic element 14 makes the bottom of the round head 15 fit with the top surface of the arc strip 11. The rotating outer plate 6 makes the arc strip 11 slide at the bottom of the round head 15. When the round head 15 corresponds to the notch 111, the elastic force of the elastic element 14 makes the round head 15 snap into the notch 111. The rotating outer plate 6 makes the arc strip 11 continue to move until the front side of the outer plate 6 fits with the rear side of the outer shell 1. At this time, the notch 111 on the last side of the arc strip 11 and the round head 15 are engaged.

[0049] Pull the screw 7 away from the outer shell 1. The screw 7 uses the limiting rod 9 to make the outer plate 6 rotate. The outer plate 6 makes the arc strip 11 slide on the bottom surface of the protrusion 12. Under the elastic force of the elastic element 14, the round head 15 and the different notches 111 of the arc strip 11 can be matched and snapped. The outer plate 6 can be tilted at different angles on the rear side of the outer shell 1 to quickly replace the dust cover 3 inside the slot 2.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A UPS power cabinet, comprising a housing (1) and a slot (2) located on the rear side of the housing (1), wherein a ventilation opening (201) is provided inside the slot (2), and a dustproof component is installed on the slot (2), characterized in that: The dustproof assembly includes: a dust cover (3), a rotating plate (4), a baffle (5), an outer plate (6), and a screw (7); the rotating plate (4) is set to two, with the two rotating plates (4) located on both sides of the slot (2), the bottom end of the rotating plate (4) is connected to the baffle (5) by a bottom ring (401), and the top end of the rotating plate (4) is provided with a top ring (402), the screw (7) spirally passes through the two top rings (402), and the rotating screw (7) causes the two top rings (402) to rotate through the top rings (402). The rotating plates (4) are close to each other, and a bracket is installed on the front side of the outer plate (6). The dust cover (3) is placed inside the bracket. The moving rotating plate (4) uses the outer plate (6) to make the bracket clamp the dust cover (3). The front side of the dust cover (3) is provided with a through-hole (301), and the through-hole (301) corresponds to the ventilation opening (201). The rear side of the outer shell (1) is equipped with a crossbar (8) corresponding to the bottom ring (401). The bottom ring (401) is rotated and sleeved on the surface of the crossbar (8). Two limiting rods (9) penetrate the surface of the rotating plate (4). The two limiting rods (9) are parallel to each other. A protruding ring (10) is provided on the rear side of the rotating plate (4) and the rear side of the outer plate (6). The limiting rods (9) penetrate the protruding rings (10) on the rear side of the rotating plate (4) and the rear side of the outer plate (6). An arc-shaped strip (11) is fixed on the front side of the outer plate (6). The top surface of the arc-shaped strip (11) is provided with multiple notches (111). The rotating plate (4) uses the limiting rod (9) to make the outer plate (6) rotate synchronously, and the outer plate (6) makes the arc-shaped strip (11) enter the slot (2). The bracket includes: a side plate (16), a frame plate (17), a slide rod (18), and a nut (19); the side plate (16) is fixed to the front side of the outer plate (6), the frame plate (17) is provided on the inner side of the side plate (16), the slide rod (18) is fixed at the top and bottom of the outer side of the frame plate (17), and the surface of the side plate (16) is provided with a groove (161) corresponding to the slide rod (18), and the outer end of the slide rod (18) is screwed with a nut (19); A positioning plate (20) is provided on the outer side of the side plate (16), and a sliding rod (18) passes through the positioning plate (20). The positioning plate (20) is set vertically, and the nut (19) cooperates with the sliding rod (18) to limit the positioning plate (20).

2. The UPS power supply cabinet according to claim 1, characterized in that: The slot (2) has two inner sidewalls fixed with locking parts corresponding to the arc strip (11). The locking parts include: a protrusion (12), a movable frame (13), an elastic element (14), and a round head (15). The protrusion (12) is installed on the inner sidewall of the slot (2), and the bottom surface of the protrusion (12) is set as an arc surface. The bottom surface of the protrusion (12) cooperates with the top surface of the arc strip (11). The inner side of the protrusion (12) is provided with a vertical groove, and the top of the movable frame (13) is located inside the vertical groove. The top surface of the movable frame (13) is connected to the top surface of the inner side of the vertical groove by the elastic element (14). The bottom end of the movable frame (13) is connected with a round head (15), and the round head (15) corresponds to the notch (111).

3. The UPS power supply cabinet according to claim 2, characterized in that: The outer side of the side plate (16) is provided with a rack (21), and the inner side of the positioning plate (20) is provided with a slot, and the slot is provided with a tooth (22), which cooperates with the rack (21).

4. The UPS power supply cabinet according to claim 3, characterized in that: The inner side of the side plate (16) is attached to the side of the dust cover (3), and the rear side of the frame plate (17) is attached to the front side of the dust cover (3).

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