Low-voltage power distribution cabinet internally provided with protection mechanism

Abstract

The invention discloses a low-voltage power distribution cabinet with a protection mechanism inside, and relates to the technical field of power distribution cabinets. A low-voltage power distribution cabinet internally provided with a protection mechanism comprises a power distribution cabinet body, the inner side of the power distribution cabinet body is fixedly connected with a plurality of relays, the upper side of the power distribution cabinet body is fixedly connected with a motor, the inner side of the power distribution cabinet body is provided with a protection unit, the front side of the power distribution cabinet body is provided with a cabinet door, and the protection unit comprises a fixing block. The fixing blocks are fixedly connected to the left and right inner walls of the power distribution cabinet body, and the outer sides of the fixing blocks on the left and right sides are rotatably connected with rotating rods. According to the low-voltage power distribution cabinet internally provided with the protection mechanism, by arranging the power distribution cabinet body, the relay, the fixed block, the rotating rod, the protection plates, the first toothed plate, the second toothed plate and the moving frame, the protection plates on the two sides can be conveniently controlled to rotate, the relay can be conveniently protected by the protection plates, the influence of external impact on the relay is reduced, and mistaken touch is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution cabinets, and specifically relates to a low-voltage distribution cabinet with a protection mechanism inside. Background Art

[0002] A distribution cabinet is a general term for a motor control center. According to the electrical wiring requirements, switchgear, measuring instruments, protective electrical appliances, and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen to form a low-voltage power distribution device.

[0003] A plurality of relay switches are installed inside the distribution cabinet. According to input signals or preset conditions, the on-off of the current in the circuit can be accurately controlled. During the daily use of the low-voltage distribution cabinet, when the cabinet door is accidentally opened, it is easy to expose the relay to the outside, making it easy for external personnel to open the relay, affecting the use of the distribution cabinet. Moreover, the external impact is only protected by the cabinet door of the distribution cabinet, and the protection effect is not good, making it easy for the relay to be damaged. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a low-voltage distribution cabinet with a protection mechanism inside, which solves the problem that the relay inside the distribution cabinet is damaged by external impact.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions:

[0006] A low-voltage distribution cabinet with a protection mechanism inside, including a distribution cabinet body. A plurality of relays are fixedly connected to the inner side of the distribution cabinet body. A motor is fixedly connected to the upper side of the distribution cabinet body. A protection unit is arranged inside the distribution cabinet body, and a cabinet door is arranged on the front side of the distribution cabinet body;

[0007] The protection unit includes fixed blocks. The fixed blocks are fixedly connected to the left and right inner walls of the distribution cabinet body. Rotating rods are rotatably connected to the outer sides of the fixed blocks on the left and right sides. Protection plates are fixedly connected to the outer sides of the rotating rods on the left and right sides. A control rod is rotatably connected to the top inside the distribution cabinet body. A turntable one is fixedly connected to the lower end of the control rod. A control block one is fixedly connected to the outer side of the turntable one. A sliding rod is fixedly connected to the lower side of the control block one. A top plate is fixedly connected to the rear inner wall of the distribution cabinet body. Two sliding grooves are opened on the upper side of the top plate. Sliding blocks are slidably connected to the inner sides of the sliding grooves. Rack plates two are fixedly connected to the upper sides of the two sliding blocks. A rotating shaft is rotatably connected to the upper side of the top plate. A gear two is fixedly connected to the upper end of the rotating shaft. A connecting block is fixedly connected to the upper side of the rear rack plate two. A moving frame is fixedly connected to the outer side of the connecting block.

[0008] Preferably, the upper end of the rotating rod passes through the upper side of the fixed block and is fixedly connected with a first gear on the outside. The left and right inner walls of the distribution cabinet body are both fixedly connected with side plates. Moving grooves are provided on the front sides of the left and right side plates. A moving block is slidably connected inside the moving groove. A first toothed plate is fixedly connected to the front side of the moving block. A connecting plate is fixedly connected between the moving block and the slider.

[0009] Preferably, the first toothed plate is meshed with the first gear. The sliding rod is slidably connected with the moving frame. The second gears are both meshed with two second toothed plates.

[0010] Preferably, protective blocks are arranged on the outer sides of the upper and lower ends of the protective plate. A lifting groove is provided on the front side of the protective plate. Lifting blocks are slidably connected to the inner sides of the upper and lower ends of the lifting groove. Lifting plates are fixedly connected to the outer sides of the upper and lower lifting blocks. A first rotating block is fixedly connected to the side of the lifting plate close to the protective block. An inclined plate is rotatably connected to the outside of the first rotating block. A second rotating block is fixedly connected to the outside of the protective block. The second rotating block is rotatably connected with the inclined plate. Rotating plates are rotatably connected to the front sides of the upper and lower lifting blocks. Third rotating blocks are rotatably connected to the outside of the upper and lower rotating plates. A moving plate is fixedly connected to the outside of the third rotating block.

[0011] Preferably, the lower end of the rotating rod passes through the lower side of the fixed block and is fixedly connected with a second turntable. A second control block is fixedly connected to the outside of the second turntable. A U-shaped groove is provided on the outside of the second control block. A control plate is rotatably connected to the inside of the U-shaped groove. A second air box is fixedly connected to the bottom inside the distribution cabinet body. A second piston plate is arranged inside the second air box. An installation block is fixedly connected to the outside of the second piston plate. The installation block is rotatably connected with the control plate. A first air box is fixedly connected to the front side of the protective plate. A first piston plate is arranged inside the first air box. A connecting rod is fixedly connected between the first piston plate and the moving plate. A delivery hose is fixedly connected between the first air box and the second air box.

[0012] Preferably, the first piston plate is slidably connected with the first air box. The second piston plate is slidably connected with the second air box.

[0013] Preferably, the protective block is slidably connected with the protective plate. The protective block is made of rubber material.

[0014] Preferably, placing holes and rectangular grooves are provided on the left and right inner walls of the distribution cabinet body. Protective covers are fixedly connected to the left and right sides of the distribution cabinet body.

[0015] Advantageous Effects

[0016] The present invention provides a low-voltage distribution cabinet with a protective mechanism inside. Compared with the prior art, the following advantageous effects are achieved:

[0017] (1) The low-voltage power distribution cabinet with an internal protection mechanism is provided with a power distribution cabinet body, a relay, a fixing block, a rotating rod, a protection plate, a first toothed plate, a second toothed plate, and a moving frame, which facilitates controlling the rotation of the protection plates on both sides, protecting the relay with the protection plates, reducing the impact of external collisions on the relay, and preventing accidental touches.

[0018] (2) The low-voltage power distribution cabinet with an internal protection mechanism is provided with a protection plate, a protection block, an inclined plate, a rotating plate, a moving plate, a first air box, a second air box, and a connecting and conveying hose. When the protection plate protects the relay, it facilitates controlling the upper and lower protection blocks to protect the upper and lower sides of the relay, enhancing the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall three-dimensional structure diagram of the present invention;

[0020] Figure 2 is the three-dimensional structure diagram of the present invention with the protection unit removed;

[0021] Figure 3 is the three-dimensional structure diagram of the protection unit in the present invention;

[0022] Figure 4 is the three-dimensional structure diagram of the protection unit in the present invention from another perspective;

[0023] Figure 5 is Figure 4 the enlarged view of part A in

[0024] Figure 6 is Figure 4 the enlarged view of part B in

[0025] Figure 7 is the three-dimensional structure diagram of the protection plate in the present invention;

[0026] Figure 8 is Figure 7 the enlarged view of part C in

[0027] Figure 9 is the partial three-dimensional structure diagram of the protection plate in the present invention.

[0028] In the figure: 1, distribution cabinet body; 2, motor; 3, cabinet door; 4, placement hole; 5, protective cover; 6, protection unit; 7, relay; 8, rectangular groove; 601, fixing block; 602, rotating rod; 603, protection plate; 604, top plate; 605, first gear; 606, side plate; 607, moving groove; 608, moving block; 609, first toothed plate; 610, connecting plate; 611, sliding groove; 612, slider; 613, second toothed plate; 614, rotating shaft; 615, second gear; 616, connecting block; 617, moving frame; 618, control rod; 619, first turntable; 620, first control block; 621, sliding rod; 622, protection block; 623, lifting groove; 624, lifting block; 625, lifting plate; 626, first rotating block; 627, inclined plate; 628, second rotating block; 629, rotating plate; 630, third rotating block; 631, moving plate; 632, first air box; 633, first piston plate; 634, connecting rod; 635, conveying hose; 637, second air box; 638, second piston plate; 639, mounting block; 640, control board; 641, second turntable; 642, second control block; 643, U-shaped groove. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Embodiment 1

[0031] Please refer to Figure 1 - Figure 6 , the present invention provides a technical solution: a low-voltage distribution cabinet with a protection mechanism inside, including a distribution cabinet body 1, a plurality of relays 7 are fixedly connected to the inner side of the distribution cabinet body 1, a motor 2 is fixedly connected to the upper side of the distribution cabinet body 1, a protection unit 6 is arranged inside the distribution cabinet body 1, a cabinet door 3 is arranged on the front side of the distribution cabinet body 1, placement holes 4 and rectangular grooves 8 are opened on the left and right inner walls of the distribution cabinet body 1, and protective covers 5 are fixedly connected to both sides of the distribution cabinet body 1. Among them, the arranged placement holes 4 and protective covers 5 facilitate the storage of the protection plate 603 and the protection block 622 and play a protective role.

[0032] The protection unit 6 includes a fixed block 601 which is fixedly connected to the left and right inner walls of the distribution cabinet body 1. Rotating rods 602 are rotatably connected to the outer sides of the fixed blocks 601 on the left and right sides. Protection plates 603 are fixedly connected to the outer sides of the rotating rods 602 on the left and right sides. A control rod 618 is rotatably connected to the top inside the distribution cabinet body 1. The lower end of the control rod 618 is fixedly connected to a first turntable 619. A first control block 620 is fixedly connected to the outer side of the first turntable 619. A sliding rod 621 is fixedly connected to the lower side of the first control block 620. A top plate 604 is fixedly connected to the rear inner wall of the distribution cabinet body 1. Two sliding grooves 611 are formed in the upper side of the top plate 604. Sliding blocks 612 are slidably connected to the inner sides of the sliding grooves 611. Second toothed plates 613 are fixedly connected to the upper sides of the two sliding blocks 612. A rotating shaft 614 is rotatably connected to the upper side of the top plate 604. A second gear 615 is fixedly connected to the upper end of the rotating shaft 614. A connecting block 616 is fixedly connected to the upper side of the rear second toothed plate 613. A moving frame 617 is fixedly connected to the outer side of the connecting block 616. The upper end of the rotating rod 602 passes through the upper side of the fixed block 601 and a first gear 605 is fixedly connected to the outer side thereof. Side plates 606 are fixedly connected to the left and right inner walls of the distribution cabinet body 1. Moving grooves 607 are formed in the front sides of the side plates 606 on the left and right sides. Moving blocks 608 are slidably connected to the inner sides of the moving grooves 607. A first toothed plate 609 is fixedly connected to the front side of the moving block 608. A connecting plate 610 is fixedly connected between the moving block 608 and the sliding block 612. The first toothed plate 609 is meshed with the first gear 605. The sliding rod 621 is slidably connected to the moving frame 617. The second gear 615 is meshed with the two second toothed plates 613. When the staff opens and closes the cabinet door 3, the motor 2 is started. The motor 2 drives the control rod 618 to rotate. The control rod 618 drives the first turntable 619 to rotate. The first turntable 619 drives the first control block 620 to rotate. The first control block 620 drives the sliding rod 621 to rotate. The sliding rod 621 drives the moving frame 617 to move left and right. The moving frame 617 drives the connecting block 616 to move. The connecting block 616 drives the second toothed plate 613 to move. Since the second gear 615 is meshed with the second toothed plate 613, the two second toothed plates 613 move towards each other. The second toothed plate 613 drives the sliding block 612 to move. The sliding block 612 drives the connecting plate 610 to move. The connecting plate 610 drives the moving block 608 to move. The moving block 608 drives the first toothed plate 609 to move. The first toothed plate 609 drives the first gear 605 to rotate. Since the two first toothed plates 609 move towards each other, the two first gears 605 rotate towards each other. The first gear 605 drives the rotating rod 602 to rotate. The rotating rod 602 drives the protection plate 603 to rotate, so that the two protection plates 603 are located in front of the relay 7, facilitating the protection of the relay 7 and preventing external personnel from accidentally touching the relay 7.

[0033] Embodiment 2

[0034] Such as Figure 1 - Figure 9As shown in the figure, a low-voltage power distribution cabinet with a protection mechanism inside includes a power distribution cabinet body 1. A plurality of relays 7 are fixedly connected to the inner side of the power distribution cabinet body 1. A motor 2 is fixedly connected to the upper side of the power distribution cabinet body 1. A protection unit 6 is arranged inside the power distribution cabinet body 1. A cabinet door 3 is arranged on the front side of the power distribution cabinet body 1. Placing holes 4 and rectangular grooves 8 are formed in the left and right inner walls of the power distribution cabinet body 1. Protective covers 5 are fixedly connected to both the left and right sides of the power distribution cabinet body 1. Among them, the provided placing holes 4 and protective covers 5 facilitate the storage of the protection plate 603 and the protection block 622 and play a protective role.

[0035] The protection unit 6 includes a fixed block 601 which is fixedly connected to the left and right inner walls of the distribution cabinet body 1. Rotating rods 602 are rotatably connected to the outer sides of the left and right fixed blocks 601. Protection plates 603 are fixedly connected to the outer sides of the left and right rotating rods 602. A control rod 618 is rotatably connected to the top inside the distribution cabinet body 1. The lower end of the control rod 618 is fixedly connected to a first turntable 619. A first control block 620 is fixedly connected to the outer side of the first turntable 619. A sliding rod 621 is fixedly connected to the lower side of the first control block 620. A top plate 604 is fixedly connected to the rear inner wall of the distribution cabinet body 1. Two sliding grooves 611 are formed in the upper side of the top plate 604. Sliding blocks 612 are slidably connected to the inner sides of the sliding grooves 611. Second toothed plates 613 are fixedly connected to the upper sides of the two sliding blocks 612. A rotating shaft 614 is rotatably connected to the upper side of the top plate 604. A second gear 615 is fixedly connected to the upper end of the rotating shaft 614. A connecting block 616 is fixedly connected to the upper side of the rear second toothed plate 613. A moving frame 617 is fixedly connected to the outer side of the connecting block 616. The upper end of the rotating rod 602 passes through the upper side of the fixed block 601 and a first gear 605 is fixedly connected to the outer side thereof. Side plates 606 are fixedly connected to the left and right inner walls of the distribution cabinet body 1. Moving grooves 607 are formed in the front sides of the left and right side plates 606. Moving blocks 608 are slidably connected to the inner sides of the moving grooves 607. First toothed plates 609 are fixedly connected to the front sides of the moving blocks 608. A connecting plate 610 is fixedly connected between the moving block 608 and the sliding block 612. The first toothed plate 609 is meshed with the first gear 605. The sliding rod 621 is slidably connected to the moving frame 617. The second gear 615 is meshed with the two second toothed plates 613. When the staff opens and closes the cabinet door 3, the motor 2 is started. The motor 2 drives the control rod 618 to rotate. The control rod 618 drives the first turntable 619 to rotate. The first turntable 619 drives the first control block 620 to rotate. The first control block 620 drives the sliding rod 621 to rotate. The sliding rod 621 drives the moving frame 617 to move left and right. The moving frame 617 drives the connecting block 616 to move. The connecting block 616 drives the second toothed plate 613 to move. Since the second gear 615 is meshed with the second toothed plate 613, the two second toothed plates 613 move towards each other. The second toothed plate 613 drives the sliding block 612 to move. The sliding block 612 drives the connecting plate 610 to move. The connecting plate 610 drives the moving block 608 to move. The moving block 608 drives the first toothed plate 609 to move. The first toothed plate 609 drives the first gear 605 to rotate. Since the two first toothed plates 609 move towards each other, the two first gears 605 rotate towards each other. The first gear 605 drives the rotating rod 602 to rotate. The rotating rod 602 drives the protection plate 603 to rotate, so that the two protection plates 603 are located in front of the relay 7, facilitating the protection of the relay 7 and preventing external personnel from accidentally touching the relay 7.

[0036] On the outer sides of the upper and lower ends of the protective plate 603, protective blocks 622 are provided. An elevating groove 623 is formed on the front side of the protective plate 603. On the inner sides of the upper and lower ends of the elevating groove 623, elevating blocks 624 are slidably connected. On the outer sides of the upper and lower elevating blocks 624, elevating plates 625 are fixedly connected. On the side of the elevating plate 625 close to the protective block 622, a first rotating block 626 is fixedly connected. On the outer side of the first rotating block 626, an inclined plate 627 is rotatably connected. On the outer side of the protective block 622, a second rotating block 628 is fixedly connected. The second rotating block 628 is rotatably connected to the inclined plate 627. On the front sides of the upper and lower elevating blocks 624, rotating plates 629 are rotatably connected. On the outer sides of the upper and lower rotating plates 629, third rotating blocks 630 are rotatably connected. On the outer side of the third rotating block 630, a moving plate 631 is fixedly connected. The lower end of the rotating rod 602 passes through the lower side of the fixed block 601 and is fixedly connected to a second turntable 641. On the outer side of the second turntable 641, a second control block 642 is fixedly connected. On the outer side of the second control block 642, a U-shaped groove 643 is formed. Inside the U-shaped groove 643, a control plate 640 is rotatably connected. At the bottom inside the distribution cabinet body 1, a second air box 637 is fixedly connected. Inside the second air box 637, a second piston plate 638 is provided. On the outer side of the second piston plate 638, a mounting block 639 is fixedly connected. The mounting block 639 is rotatably connected to the control plate 640. On the front side of the protective plate 603, a first air box 632 is fixedly connected. Inside the first air box 632, a first piston plate 633 is provided. Between the first piston plate 633 and the moving plate 631, a connecting rod 634 is fixedly connected. Between the first air box 632 and the second air box 637, a delivery hose 635 is fixedly connected. The first piston plate 633 is slidably connected to the first air box 632. The second piston plate 638 is slidably connected to the second air box 637. The protective block 622 is slidably connected to the protective plate 603. The protective block 622 is made of rubber material. During the rotation of the protective plate 603, the rotating rod 602 rotates. The rotating rod 602 drives the second turntable 641 to rotate. The second turntable 641 drives the second control block 642 to rotate. The second control block 642 drives the control plate 640 to rotate. The control plate 640 drives the second piston plate 638 to slide inside the second air box 637, so that the gas in the second air box 637 is pushed out and, through the delivery hose 635, the gas is delivered into the first air box 632, so that the gas pushes the first piston plate 633 to move. The first piston plate 633 drives the connecting rod 634 to move. The connecting rod 634 drives the moving plate 631 to move. The moving plate 631 drives the rotating plate 629 to rotate. Due to the inclined symmetric structure of the two rotating plates 629, the rotating plate 629 drives the elevating block 624 to move. The upper and lower elevating blocks 624 approach each other. The elevating block 624 drives the elevating plate 625 to move. The elevating plate 625 drives the inclined plate 627 to rotate, so that the inclined plate 627 drives the protective block 622 to move backward, facilitating the protection of the upper and lower sides of the relay 7 by the upper and lower protective blocks 622 and enhancing the protection effect.

[0037] Working principle: When in use, the staff first starts the motor 2, and the motor 2 drives the control rod 618 to rotate. Under the action of the first turntable 619, the first control block 620, the slide rod 621, the moving frame 617, the second toothed plate 613 and the second gear 615, the two second toothed plates 613 are controlled to move towards each other. The second toothed plate 613 drives the slider 612 to move. Under the action of the connecting plate 610, the moving block 608, the first toothed plate 609 and the first gear 605, the protective plate 603 on the rotating rod 602 is controlled to rotate, facilitating the protection of the front side of the relay 7 by the two protective plates 603 on both sides. At the same time, the rotating rod 602 drives the second turntable 641 to rotate. Under the action of the second control block 642 and the control plate 640, the second piston plate 638 is controlled to move. Under the action of the second air box 637, the first air box 632 and the conveying hose 635, the first piston plate 633 is controlled to move. Under the action of the connecting rod 634, the moving plate 631, the rotating plate 629, the lifting block 624, the lifting plate 625 and the inclined plate 627, the two protective blocks 622 on both sides are controlled to move backward, facilitating the protection of the upper and lower sides of the relay 7 by the upper and lower protective blocks 622 on both sides, enhancing the protection effect, avoiding damage to the relay 7 during external impact, and preventing accidental touch.

[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage power distribution cabinet with a protective mechanism inside, comprising a power distribution cabinet body (1), wherein a plurality of relays (7) are fixedly connected to the inner side of the power distribution cabinet body (1), characterized in that: The upper side of the power distribution cabinet (1) is fixedly connected to a motor (2), the inner side of the power distribution cabinet (1) is provided with a protection unit (6), and the front side of the power distribution cabinet (1) is provided with a cabinet door (3); The protection unit (6) comprises a fixed block (601), the fixed block (601) is fixedly connected to the left and right inner walls of the power distribution cabinet (1), the outer sides of the fixed blocks (601) on the left and right sides are rotatably connected to the rotating rods (602), the outer sides of the rotating rods (602) on the left and right sides are fixedly connected to the protection plates (603), the top of the inner side of the power distribution cabinet (1) is rotatably connected to the control rod (618), the lower end of the control rod (618) is fixedly connected to the turntable 1 (619), the outer side of the turntable 1 (619) is fixedly connected to the control block 1 (620), and the lower side of the control block 1 (620) is fixedly connected to the sliding rod (618). 21), the rear inner wall of the power distribution cabinet (1) is fixedly connected with a top plate (604), the upper side of the top plate (604) is provided with two slide grooves (611), the inner side of the slide groove (611) is slidably connected with a slider (612), the upper sides of the two sliders (612) are fixedly connected with tooth plate 2 (613), the upper side of the top plate (604) is rotatably connected with a rotating shaft (614), the upper end of the rotating shaft (614) is fixedly connected with gear 2 (615), the upper side of the rear tooth plate 2 (613) is fixedly connected with a connecting block (616), and the outer side of the connecting block (616) is fixedly connected with a moving frame (617).

2. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 1, characterized in that: The upper end of the rotating rod (602) passes through the upper side of the fixed block (601) and is fixedly connected to a gear one (605) on the outer side; the left and right inner walls of the power distribution cabinet (1) are fixedly connected to side plates (606); the front sides of the left and right side plates (606) are provided with movable grooves (607); the inner sides of the movable grooves (607) are slidably connected to movable blocks (608); the front sides of the movable blocks (608) are fixedly connected to a gear plate one (609); and a connecting plate (610) is fixedly connected between the movable block (608) and the slider (612).

3. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 2, characterized in that: The tooth plate 1 (609) is meshedly connected with the gear 1 (605), the sliding rod (621) is slidably connected with the moving frame (617), and the gear 2 (615) is meshedly connected with the two tooth plates 2 (613).

4. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 1, characterized in that: The outer sides of the upper and lower ends of the protective plate (603) are both provided with protective blocks (622); a lifting groove (623) is provided on the front side of the protective plate (603); the inner sides of the upper and lower ends of the lifting groove (623) are both slidably connected with lifting blocks (624); the outer sides of the lifting blocks (624) on the upper and lower sides are both fixedly connected with lifting plates (625); the lifting plates (625) are fixedly connected with a rotating block (626) on one side close to the protective block (622); the rotating block The outer side of the first (626) is rotatably connected to an inclined plate (627), the outer side of the protective block (622) is fixedly connected to a rotating block second (628), the rotating block second (628) is rotatably connected to the inclined plate (627), the front sides of the lifting blocks (624) on the upper and lower sides are rotatably connected to rotating plates (629), the outer sides of the rotating plates (629) on the upper and lower sides are rotatably connected to rotating blocks three (630), and the outer side of the rotating block three (630) is fixedly connected to a moving plate (631).

5. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 4, characterized in that: The lower end of the rotating rod (602) passes through the lower side of the fixed block (601) and is fixedly connected to a second rotating disk (641); the outer side of the second rotating disk (641) is fixedly connected to a second control block (642); a U-shaped groove (643) is provided on the outer side of the second control block (642); a control board (640) is rotatably connected to the inner side of the U-shaped groove (643); a second air box (637) is fixedly connected to the bottom of the inner side of the power distribution cabinet (1); a second piston plate (638) is provided on the inner side of the second air box (637); The outer side of the piston plate 2 (638) is fixedly connected with a mounting block (639), and the mounting block (639) is rotatably connected to the control plate (640). The front side of the protective plate (603) is fixedly connected with an air box 1 (632), and the inner side of the air box 1 (632) is provided with a piston plate 1 (633). A connecting rod (634) is fixedly connected between the piston plate 1 (633) and the movable plate (631), and a conveying hose (635) is fixedly connected between the air box 1 (632) and the air box 2 (637).

6. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 5, characterized in that: The piston plate 1 (633) is slidably connected to the air box 1 (632), and the piston plate 2 (638) is slidably connected to the air box 2 (637).

7. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 4, characterized in that: The protection block (622) is slidably connected to the protection plate (603), and the protection block (622) is made of rubber material.

8. A low-voltage power distribution cabinet with an internal protection mechanism according to claim 1, characterized in that: The left and right inner walls of the power distribution cabinet (1) are both provided with placement holes (4) and rectangular grooves (8), and the left and right sides of the power distribution cabinet (1) are both fixedly connected with protective covers (5).

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