Rectangular protective cover for exposing busbar of switch cabinet

Abstract

The invention provides a switch cabinet busbar exposed rectangular protective cover, which comprises a switch cabinet body, a protective cover and a busbar body, and is characterized in that the protective cover is connected with a sealing device, the protective cover is provided with a ventilation opening, the ventilation opening is provided with a sliding hole, the ventilation opening is provided with a slot, the slot is provided with a bent slot, and the slot is connected with a sealing rebound assembly; the sealing device comprises a connecting plate, a sealing plate, a first spring, a telescopic assembly, an arm rod, a rotating block and a limiting sliding block, and the limiting sliding block is connected with the bent groove. The arm rod is fixedly provided with a trapezoid column, and the trapezoid column is sleeved with a second spring. A connecting plate is pushed to enable a sealing plate to move, so that a limiting sliding block slides along a bending groove, an arm rod rotates, a telescopic assembly rotates and stretches out and draws back at the same time, the sealing plate can be pushed through rotation of the arm rod, and therefore the sealing plate rotates, ventilation is achieved, and heat dissipation of the busbar body is facilitated; and a sealing rebounding plate extrudes a sealing plate through a fourth spring, and sealing of the protection cover can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of switch cabinet busbar protection, and mainly relates to a switch cabinet busbar exposed rectangular protective cover. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. The busbar is the name of the conductive material on the power distribution equipment. The material is copper, without an insulation layer, and the outside is painted with a color indicating the phase sequence. It is mainly used for indoor transformers to the distribution cabinet and then to the main power switch and then to each sub-switch. The copper or aluminum busbar connecting the main switch in the cabinet and the switches in each branch circuit has an insulation treatment on the surface. The main function is to be used as a conductor;

[0003] Switchgear is used in many scenarios. In harsh environments, it is easily affected by water vapor, dust and static electricity, which may damage the busbar. The busbar needs to be placed inside a protective cover, but conventional protective covers are mostly one-piece structures that are difficult to disassemble and install, making it difficult to repair and inspect the busbar. Although the sealed protective cover can prevent water vapor from entering, when the temperature is high, the busbar temperature is high due to the lack of ventilation holes in the protective cover, which can easily cause damage to the busbar and reduce the practicability of the protective cover. Therefore, it is necessary to design a switchgear busbar exposed rectangular protective cover to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a switch cabinet busbar exposed rectangular protective cover to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a switch cabinet busbar exposed rectangular protective cover, comprising a switch cabinet body, a protective cover connected to the top of the switch cabinet body and a busbar body connected to the top of the switch cabinet body, the busbar body is located inside the protective cover, one side of the protective cover is connected to a sealing device, one side of the protective cover is provided with a vent, one side of the vent is provided with a sliding hole, the other side of the vent is provided with a slot, one side of the slot is provided with a plurality of curved slots, and the slot body of the slot is connected to a sealing rebound component;

[0006] The sealing device comprises a connecting plate slidably connected to the sliding hole body, a plurality of sealing plates rotatably connected to the inner side of the connecting plate and a first spring sleeved on one side of the sealing plate, the plurality of sealing plates cooperate with the vents, one side of the top of the sealing plate is rotatably connected to the telescopic assembly, one side of the bottom of the sealing plate is rotatably connected to the arm rod, one side of the top of the arm rod is rotatably connected to the telescopic assembly, the other side of the arm rod is rotatably connected to the rotating block, one side of the rotating block is rotatably connected to the limiting slider, and the limiting slider is slidably connected to the slot body of the bending slot;

[0007] Trapezoidal columns are fixed on both sides of the arm rod, a second spring is sleeved on one side of the trapezoidal column, and one side of the second spring is connected to a rotating block.

[0008] In the present invention, the protective cover and multiple sealing plates are combined into a complete protective cover. The sealing plate can be removed to facilitate personnel to repair the busbar body, and the sealing plate can be moved by pushing the connecting plate, so that the limiting slider can slide along the groove body of the curved groove, and then the arm rod can be rotated, thereby pushing the sealing plate to rotate the sealing plate to achieve ventilation and facilitate heat dissipation of the busbar body.

[0009] Furthermore, the telescopic assembly includes a telescopic cylinder rotatably connected to one side of the top of the sealing plate, a third spring connected to one side of the inside of the telescopic cylinder, and a telescopic rod connected to one side of the third spring, one side of the telescopic rod is slidably connected to the telescopic cylinder, and the other side of the telescopic rod is rotatably connected to the arm rod.

[0010] In the present invention, the third spring facilitates the resetting of the telescopic rod, thereby facilitating the rotation of the arm rod.

[0011] Furthermore, a mounting protrusion is fixed on the top of the switch cabinet body, a groove is provided on the top of the mounting protrusion, the groove body of the groove cooperates with the protective cover, and protrusions are provided on both sides of the protective cover, and the protrusions cooperate with the mounting protrusion.

[0012] In the present invention, the groove cooperates with the protective cover to facilitate positioning of the protective cover and can improve the sealing of the protective cover to prevent water vapor from entering the protective cover. The raised portion contacts the mounting protrusion to facilitate limiting the descending position of the protective cover.

[0013] Furthermore, the side of the protective cover close to the slot is connected to a sealing rebound assembly, and the sealing rebound assembly includes sleeves connected to both sides of the protective cover, a fourth spring connected to one side of the sleeve, and a sliding rod connected to one side of the fourth spring. One side of the sliding rod is slidably connected to the first sleeve, and the other side of the sliding rod is connected to a sealing rebound plate, and the sealing rebound plate is slidably connected to the slot body of the slot.

[0014] In the present invention, multiple side surfaces of the sealing rebound plate are tightly attached to the slot, and the fourth spring is used to squeeze one side surface of the sealing rebound plate against the sealing plate, thereby achieving sealing and preventing water vapor from entering the protective cover. The fourth spring is used to easily reset the sliding rod and the sealing rebound plate, thereby squeezing the sealing plate against the sealing plate, making it easier to pop out the sealing plate when removing the sealing plate.

[0015] Furthermore, the two sides of the mounting protrusion are connected to a limit assembly, and the limit assembly includes a fixed cylinder connected to one side of the mounting protrusion, a fifth spring connected to one side of the fixed cylinder, and a limit rod connected to one side of the fifth spring, one end of the limit rod passes through the fixed cylinder to connect the pull plate, and the other end of the limit rod passes through one side of the mounting protrusion and enters the groove.

[0016] In the present invention, the fifth spring is used to facilitate resetting the limit rod, and the pull plate is used to facilitate moving the limit rod.

[0017] Furthermore, limiting grooves are provided on both sides of the bottom of the protective cover, the groove body of the limiting grooves matches with the limiting rod, and the top of the limiting rod is provided with a bevel, and the bevel matches with the protective cover.

[0018] In the present invention, the limiting rod enters the limiting groove to fix the protective cover and prevent the protective cover from moving. The bevel makes it easier for the protective cover to squeeze the limiting rod, thereby making it easier to shrink the limiting rod, without the need for personnel to manually pull the limiting rod to install the protective cover.

[0019] Furthermore, a threaded hole is provided on one side of the protective cover, the threaded hole is communicated with the sliding hole, the hole body of the threaded hole cooperates with a bolt, and the bolt cooperates with a plurality of limiting holes provided on the connecting plate.

[0020] In the present invention, the bolt can be moved by rotating the bolt, so that the bolt enters or escapes from the limiting hole, thereby fixing the connecting plate or canceling the limiting of the connecting plate.

[0021] Furthermore, a raised plate is provided on the inner side of the top of the sealing plate, and a recessed portion is provided on the inner side of the bottom of the sealing plate, and the recessed portion cooperates with the raised plate.

[0022] In the present invention, the cooperation between the recessed portion and the raised plate enhances the sealing performance between the sealing plates and improves the stability of the sealing plates.

[0023] Furthermore, the cross-sectional shape of the limit slider is T-shaped, and the inner side of the limit slider is rotatably connected to a plurality of rollers.

[0024] In the present invention, the roller reduces the friction of the limit slider, making it easier for the limit slider to slide. The T-shaped limit slider improves the stability of the limit slider.

[0025] Furthermore, a plurality of water leakage holes are provided on the outer side of the mounting protrusion, and the water leakage holes are inclined holes, the water leakage holes are connected to the groove, and the groove body of the groove is connected to a sealing gasket.

[0026] In the present invention, the height of the water leakage hole on the outside is lower than that on the inside, so that the water in the groove flows out through the water leakage hole, thereby preventing the water from being pushed into the groove for a long time to produce odor or cause the sealing gasket to rot.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The invention can be used to assemble and combine the sealing plate and the protective cover into a complete protective cover, so as to prevent water vapor from contacting the busbar body. The sealing plate is moved by pushing the connecting plate, so that the limit slider slides along the groove body of the curved groove, and then the arm rod is rotated, and the telescopic assembly is rotated and telescoped at the same time. The sealing plate can be pushed by the rotation of the arm rod, so that the sealing plate is rotated to achieve ventilation, which is convenient for the heat dissipation of the busbar body. The sealing rebound plate is squeezed by the fourth spring to achieve the sealing of the protective cover, and the sliding rod and the sealing rebound plate are reset by the elastic force of the fourth spring. When the sealing plate is removed, the sealing plate can be ejected, which is convenient for personnel to take out the connecting plate and the sealing plate. The device is not only convenient for the installation and disassembly of the sealing plate, so as to facilitate the maintenance of the busbar body, but also can rotate the sealing plate to achieve ventilation, thereby achieving the heat dissipation of the busbar body, avoiding the damage of the busbar caused by the high temperature of the busbar, and improving the practicality of the protective cover.

[0029] Secondly, the present invention uses the elastic force of the fifth spring to make the limit rod enter the limit groove to fix the protective cover, and the cooperation between the recessed part and the raised plate enhances the sealing between the sealing plates to prevent water droplets from entering the protective cover through the gap between the sealing plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 It is a partial cross-sectional view of the switch cabinet body and the busbar body of the present invention;

[0032] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0033] Figure 4 It is a schematic diagram of the explosion structure of some devices of the present invention;

[0034] Figure 5 A cross-sectional view of a portion of the device of the present invention;

[0035] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0036] Figure 7 A cross-sectional view of a portion of the device of the present invention;

[0037] Figure 8A partial cross-sectional view of the sealing device of the present invention;

[0038] Fig. 9 for Figure 8 Enlarged view of point C in the middle;

[0039] Fig.10 for Figure 8 Enlarged view of point D in the middle.

[0040] In the figure: 10, switch cabinet body; 11, mounting convex body; 12, groove; 13, leak hole; 20, busbar body; 30, protective cover; 31, vent; 32, slot; 33, slide hole; 34, bending groove; 35, threaded hole; 36, raised part; 37, limit groove; 40, sealing device; 41, connecting plate; 411, limit hole; 42, sealing plate; 421, raised plate; 422, recessed part; 43, arm; 431, trapezoidal column ; 44. Telescopic assembly; 441. Telescopic cylinder; 442. Third spring; 443. Telescopic rod; 45. Rotating block; 46. Limiting slider; 461. Roller; 47. Second spring; 48. First spring; 50. Sealing rebound assembly; 51. Sleeve; 52. Fourth spring; 53. Sliding rod; 54. Sealing rebound plate; 60. Limiting assembly; 61. Fixed cylinder; 62. Fifth spring; 63. Limiting rod; 70. Bolt; 80. Sealing gasket. DETAILED DESCRIPTION

[0041] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0042] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The terms used herein and / or include any and all combinations of one or more related listed items.

[0044] For examples, please refer to the attached Figure 1-10The exposed rectangular protective cover of the busbar of the switch cabinet comprises a switch cabinet body 10, a protective cover 30 connected to the top of the switch cabinet body 10, and a busbar body 20 connected to the top of the switch cabinet body 10. The busbar body 20 is located inside the protective cover 30, and one side of the protective cover 30 is connected to a sealing device 40. A vent 31 is provided on one side of the protective cover 30, a sliding hole 33 is provided on one side of the vent 31, a slot 32 is provided on the other side of the vent 31, a plurality of curved slots 34 are provided on one side of the slot 32, and the slot body of the slot 32 is connected to a sealing rebound assembly 50.

[0045] The sealing device 40 includes a connecting plate 41 slidably connected to the hole body of the sliding hole 33, a plurality of sealing plates 42 rotatably connected to the inner side of the connecting plate 41, and a first spring 48 sleeved on one side of the sealing plate 42. The plurality of sealing plates 42 cooperate with the vent 31. One side of the top of the sealing plate 42 is rotatably connected to the telescopic assembly 44, one side of the bottom of the sealing plate 42 is rotatably connected to the arm rod 43, one side of the top of the arm rod 43 is rotatably connected to the telescopic assembly 44, the other side of the arm rod 43 is rotatably connected to the rotating block 45, one side of the rotating block 45 is rotatably connected to the limiting slider 46, and the limiting slider 46 is slidably connected to the groove body of the bending groove 34.

[0046] Trapezoidal columns 431 are fixed on both sides of the arm 43 . A second spring 47 is sleeved on one side of the trapezoidal column 431 . One side of the second spring 47 is connected to the rotating block 45 .

[0047] It should be noted that, in the present embodiment, the protective cover 30 and the plurality of sealing plates 42 cooperate to form a complete protective cover. After the sealing plates 42 are removed, personnel can repair the busbar body 20 through the vent 31. The sealing plates 42 are moved by moving the connecting plates 41, so that the limit slider 46 slides along the groove body of the curved groove 34, thereby rotating the arm 43, and rotating and retracting the telescopic assembly 44. When the limit slider 46 moves to the curved part of the curved groove 34, the curved groove 34 can rotate, so that the limit slider 46 passes through the curved part. The rotation of the arm 43 can push the sealing plate 42, so that the sealing plate 42 rotates (refer to Figure 5 The sealing plate 42 in the middle rotates in a clockwise direction, which can prevent water droplets from sliding into the protective cover 30 through the sealing plate 42), realize ventilation, and facilitate the heat dissipation of the busbar body 20. The first spring 48 is located in the groove body of the connecting plate 41, which avoids the presence of a gap between the sealing plate 42 and the connecting plate 41. The sealing plate 42 is reset by the elastic force of the first spring 48, and the rotating block 45 is reset by the elastic force of the second spring 47, which prevents the sealing plate 42 and the rotating block 45 from rotating at will when there is no support point.

[0048] Furthermore, the widths of the sliding hole 33 and the slot 32 are large enough to enable the sealing plate 42 to rotate to a certain angle, thereby achieving a heat dissipation effect.

[0049] For examples, please refer to the attached Figure 6 The telescopic assembly 44 includes a telescopic cylinder 441 rotatably connected to one side of the top of the sealing plate 42, a third spring 442 connected to one side of the inside of the telescopic cylinder 441, and a telescopic rod 443 connected to one side of the third spring 442. One side of the telescopic rod 443 is slidably connected to the telescopic cylinder 441, and the other side of the telescopic rod 443 is rotatably connected to the arm rod 43.

[0050] It should be noted that, in the present embodiment, the third spring 442 is used to facilitate the resetting of the telescopic rod 443 , thereby facilitating the rotation of the arm rod 43 , thereby achieving the resetting of the arm rod 43 .

[0051] For examples, please refer to the attached Figure 2 and Figure 4 A mounting protrusion 11 is fixed on the top of the switch cabinet body 10 , a groove 12 is provided on the top of the mounting protrusion 11 , the groove body of the groove 12 matches with the protective cover 30 , and protrusions 36 are provided on both sides of the protective cover 30 , and the protrusions 36 match with the mounting protrusion 11 .

[0052] It should be noted that, in this embodiment, the groove 12 cooperates with the protective cover 30 to facilitate positioning of the protective cover 30, and can improve the sealing of the protective cover 30 to prevent water vapor from entering the protective cover 30, and the raised portion 36 contacts the mounting protrusion 11 to facilitate limiting the lowering position of the protective cover 30.

[0053] For examples, please refer to the attached Figure 7 The side of the protective cover 30 close to the slot 32 is connected to the sealing rebound assembly 50, and the sealing rebound assembly 50 includes a sleeve 51 connected to both sides of the protective cover 30, a fourth spring 52 connected to one side of the sleeve 51, and a sliding rod 53 connected to one side of the fourth spring 52. One side of the sliding rod 53 is slidably connected to the first sleeve 51, and the other side of the sliding rod 53 is connected to the sealing rebound plate 54. The sealing rebound plate 54 is slidably connected to the groove body of the slot 32.

[0054] It should be noted that, in the present embodiment, multiple side surfaces of the sealing rebound plate 54 are in close contact with the slot 32, and the fourth spring 52 is used to squeeze one side surface of the sealing rebound plate 54 against the sealing plate 42, thereby achieving sealing of the protective cover 30 and preventing water vapor from entering the protective cover 30. The elastic force of the fourth spring 52 is used to reset the sliding rod 53 and the sealing rebound plate 54, thereby squeezing the sealing plate 42 and allowing the sealing plate 42 to be ejected when the sealing plate 42 is removed, making it easier for personnel to take out the connecting plate 41 and the sealing plate 42.

[0055] For examples, please refer to the attached Figure 3The limiting components 60 are connected to both sides of the mounting protrusion 11. The limiting components 60 include a fixing tube 61 connected to one side of the mounting protrusion 11, a fifth spring 62 connected to one side of the fixing tube 61, and a limiting rod 63 connected to one side of the fifth spring 62. One end of the limiting rod 63 passes through the fixing tube 61 to connect to the pull plate, and the other end of the limiting rod 63 passes through one side of the mounting protrusion 11 and enters the groove 12.

[0056] It should be noted that, in this embodiment, the limit rod 63 is reset by the elastic force of the fifth spring 62 , so that the limit rod 63 limits the position of the protective cover 30 , and the limit rod 63 is moved by pulling the pull plate, so that the limit rod 63 cancels the limit of the protective cover 30 .

[0057] For examples, please refer to the attached Figure 3-4 Limiting grooves 37 are provided on both sides of the bottom of the protective cover 30 , and the groove body of the limiting groove 37 matches with the limiting rod 63 . The top of the limiting rod 63 is provided with a bevel, and the bevel matches with the protective cover 30 .

[0058] It should be noted that, in this embodiment, the limiting rod 63 entering the limiting groove 37 can fix the protective cover 30 to prevent the protective cover 30 from rising, falling and moving. The beveled edge makes it easier for the protective cover 30 to squeeze the limiting rod 63, thereby facilitating the contraction of the limiting rod 63, and there is no need for personnel to manually pull the limiting rod 63 to install the protective cover 30.

[0059] For examples, please refer to the attached Figure 4 A threaded hole 35 is provided on one side of the protective cover 30 . The threaded hole 35 is communicated with the sliding hole 33 . The hole body of the threaded hole 35 cooperates with the bolt 70 . The bolt 70 cooperates with a plurality of limiting holes 411 provided on the connecting plate 41 .

[0060] It should be noted that, in the present embodiment, the bolt 70 can be moved by rotating the bolt 70 , so that the bolt 70 enters or escapes from the limiting hole 411 , thereby fixing the connecting plate 41 or canceling the limiting of the connecting plate 41 .

[0061] For examples, please refer to the attached Figure 5 A raised plate 421 is provided on the inner side of the top of the sealing plate 42 , and a recessed portion 422 is provided on the inner side of the bottom of the sealing plate 42 , and the recessed portion 422 matches the raised plate 421 .

[0062] It should be noted that, in this embodiment, the recessed portion 422 cooperates with the raised plate 421 to enhance the sealing between the sealing plates 42 , prevent water droplets from entering the protective cover 30 through the gaps between the sealing plates 42 , and improve the stability of the sealing plates 42 .

[0063] For examples, please refer to the attached Figure 6 and Fig.10The cross-sectional shape of the limiting slider 46 is T-shaped, and the inner side of the limiting slider 46 is rotatably connected to a plurality of rollers 461 .

[0064] It should be noted that, in this embodiment, the roller 461 reduces the friction of the limit slider 46, making the limit slider 46 easier to slide. The T-shaped limit slider 46 improves the stability of the limit slider 46 and prevents the limit slider 46 from shaking.

[0065] For examples, please refer to the attached Figure 2-3 A plurality of water leakage holes 13 are provided on the outer side of the mounting protrusion 11 , and the water leakage holes 13 are inclined holes. The water leakage holes 13 are connected to the groove 12 , and the groove body of the groove 12 is connected to the sealing gasket 80 .

[0066] It should be noted that, in this embodiment, the height of the water leakage hole 13 on the outside is lower than that on the inside, so that the water in the groove 12 flows out through the water leakage hole 13, avoiding the water from being pushed in the groove 12 for a long time to produce odor or cause the sealing gasket 80 to rot. The sealing gasket 80 improves the sealing performance of the protective cover 30.

[0067] The specific operation mode of the present invention is as follows:

[0068] During assembly, the protective cover 30 is matched with the groove 12 , and the protective cover 30 contracts the limiting rod 63 by squeezing the limiting rod 63 , and the limiting rod 63 is reset by the elastic force of the fifth spring 62 , so that the limiting rod 63 enters the limiting groove 37 to fix the protective cover 30 .

[0069] Insert the connecting plate 41 and the sealing plate 42 into the sliding hole 33, move the connecting plate 41 and the sealing plate 42 to make the limiting slider 46 enter the bending groove 34, and make the sealing plate 42 squeeze the sealing rebound plate 54, so as to achieve the sealing of the protective cover 30, and then rotate the bolt 70 to move the bolt 70 so that the bolt 70 enters the limiting hole 411, thereby fixing the connecting plate 41.

[0070] When ventilation is needed, first disengage the bolt 70 from the limiting hole 411, and move the sealing plate 42 by pushing the connecting plate 41, so that the limiting slider 46 slides along the groove body of the curved groove 34, and then the arm rod 43 rotates, and at the same time, the telescopic assembly 44 rotates and telescopes. When the limiting slider 46 moves to the bending part of the curved groove 34, the curved groove 34 can rotate to facilitate the limiting slider 46 to pass through the bending part. The sealing plate 42 can be pushed by the rotation of the arm rod 43, so that the sealing plate 42 rotates to achieve ventilation and facilitate the heat dissipation of the busbar body 20. Finally, the bolt 70 enters the limiting hole 411 to fix the connecting plate 41.

[0071] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A rectangular protective cover for exposed busbars of a switch cabinet, comprising a switch cabinet body (10), a protective cover (30) connected to the top of the switch cabinet body (10), and a busbar body (20) connected to the top of the switch cabinet body (10), characterized in that: The busbar body (20) is located inside the protective cover (30), one side of the protective cover (30) is connected to a sealing device (40), one side of the protective cover (30) is provided with a vent (31), one side of the vent (31) is provided with a sliding hole (33), the other side of the vent (31) is provided with a slot (32), one side of the slot (32) is provided with a plurality of curved slots (34), and the slot body of the slot (32) is connected to a sealing rebound assembly (50); The sealing device (40) comprises a connecting plate (41) slidably connected to the hole body of the sliding hole (33), a plurality of sealing plates (42) rotatably connected to the inner side of the connecting plate (41), and a first spring (48) sleeved on one side of the sealing plate (42); the plurality of sealing plates (42) cooperate with the vent (31); one side of the top of the sealing plate (42) is rotatably connected to the telescopic component (44); one side of the bottom of the sealing plate (42) is rotatably connected to the arm (43); one side of the top of the arm (43) is rotatably connected to the telescopic component (44); the other side of the arm (43) is rotatably connected to a rotating block (45); one side of the rotating block (45) is rotatably connected to a limiting slider (46); the limiting slider (46) is slidably connected to the groove body of the bending groove (34); Trapezoidal columns (431) are fixed on both sides of the arm (43), a second spring (47) is sleeved on one side of the trapezoidal column (431), and one side of the second spring (47) is connected to a rotating block (45).

2. The exposed rectangular protective cover for busbars of a switch cabinet according to claim 1 is characterized in that: The telescopic assembly (44) comprises a telescopic tube (441) rotatably connected to one side of the top of the sealing plate (42), a third spring (442) connected to one side of the inside of the telescopic tube (441), and a telescopic rod (443) connected to one side of the third spring (442); one side of the telescopic rod (443) is slidably connected to the telescopic tube (441), and the other side of the telescopic rod (443) is rotatably connected to the arm rod (43).

3. The switch cabinet busbar exposed rectangular protective cover according to claim 1, characterized in that: A mounting protrusion (11) is fixed on the top of the switch cabinet body (10), a groove (12) is provided on the top of the mounting protrusion (11), the groove body of the groove (12) matches with the protective cover (30), and protrusions (36) are provided on both sides of the protective cover (30), and the protrusions (36) match with the mounting protrusion (11).

4. The exposed rectangular protective cover for busbars of a switch cabinet according to claim 1 is characterized in that: The side of the protective cover (30) close to the slot (32) is connected to a sealing rebound assembly (50), and the sealing rebound assembly (50) comprises sleeves (51) connected to both sides of the protective cover (30), a fourth spring (52) connected to one side of the sleeve (51), and a sliding rod (53) connected to one side of the fourth spring (52), one side of the sliding rod (53) is slidably connected to the first sleeve (51), and the other side of the sliding rod (53) is connected to a sealing rebound plate (54), and the sealing rebound plate (54) is slidably connected to the groove body of the slot (32).

5. The exposed rectangular protective cover for busbars of a switch cabinet according to claim 3 is characterized in that: The two sides of the mounting protrusion (11) are connected to a limiting assembly (60), and the limiting assembly (60) comprises a fixing cylinder (61) connected to one side of the mounting protrusion (11), a fifth spring (62) connected to one side of the fixing cylinder (61), and a limiting rod (63) connected to one side of the fifth spring (62), one end of the limiting rod (63) passes through the fixing cylinder (61) to connect to the pull plate, and the other end of the limiting rod (63) passes through one side of the mounting protrusion (11) and enters the groove (12).

6. The switch cabinet busbar exposed rectangular protective cover according to claim 5, characterized in that: Limiting grooves (37) are provided on both sides of the bottom of the protection cover (30), the groove body of the limiting groove (37) matches with the limiting rod (63), and the top of the limiting rod (63) is provided with a bevel, and the bevel matches with the protection cover (30).

7. The exposed rectangular protective cover for busbars of a switch cabinet according to claim 1, characterized in that: A threaded hole (35) is provided on one side of the protective cover (30), the threaded hole (35) is communicated with the sliding hole (33), the hole body of the threaded hole (35) is matched with a bolt (70), and the bolt (70) is matched with a plurality of limiting holes (411) provided on the connecting plate (41).

8. The switch cabinet busbar exposed rectangular protective cover according to claim 1, characterized in that: A raised plate (421) is provided on the inner side of the top of the sealing plate (42), and a recessed portion (422) is provided on the inner side of the bottom of the sealing plate (42), wherein the recessed portion (422) matches the raised plate (421).

9. The exposed rectangular protective cover for busbars of a switch cabinet according to claim 1, characterized in that: The cross-sectional shape of the limiting slider (46) is T-shaped, and the inner side of the limiting slider (46) is rotatably connected to a plurality of rollers (461).

10. The switch cabinet busbar exposed rectangular protective cover according to claim 3, characterized in that: A plurality of water leakage holes (13) are provided on the outer side of the mounting protrusion (11), and the water leakage holes (13) are inclined holes. The water leakage holes (13) are in communication with the groove (12), and the groove body of the groove (12) is connected to a sealing gasket (80).

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