Protective equipment for charging pile

Abstract

The invention relates to the technical field of charging piles, and discloses a protective device for a charging pile, which comprises a shell, a charging pile body is arranged in the shell, two ends of the shell are provided with sockets for a charging gun to insert, the top of the shell is provided with a protective shed, and the sockets are provided with shielding assemblies. The shielding assembly comprises a fixed ring, a plurality of shielding pieces and a rotating ring, the fixed ring is fixedly arranged at the socket, the plurality of shielding pieces are uniformly distributed in the circumferential direction of the fixed ring, the adjacent shielding pieces are in contact with each other, and the shielding pieces are in sliding connection with the fixed ring; the rotating ring is arranged in the fixed ring, the rotating ring is rotatably connected with the fixed ring, and a control assembly for controlling the plurality of shielding sheets to synchronously move to shield the socket is arranged in the shell. According to the invention, the socket is sealed, and the rainproof and dustproof effects can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of charging piles, and in particular to protective equipment for charging piles. Background Art

[0002] As new energy electric vehicles are green and environmentally friendly, have low travel costs, and can effectively promote energy conservation and emission reduction, they have been recognized by the market and supported by the government, so the number of new energy electric vehicles has increased year by year. With the spring breeze of new infrastructure construction, charging piles, which serve as "gas stations" for electric vehicles, have also developed rapidly. Existing charging piles are susceptible to collisions, rain erosion, and sand and dust pollution in outdoor environments, resulting in damage to the charging piles or performance degradation.

[0003] Generally, public charging piles are set up in outdoor parking lots to facilitate the charging of new energy electric vehicles. When the charging pile is in use, the charging gun head is pulled out from the socket. At this time, the socket is exposed and easily eroded by rain and dust, which will affect the use of the charging pile. Summary of the invention

[0004] The purpose of the present invention is to provide a protective device for a charging pile, which achieves a sealing effect on the socket and can effectively improve the rain and dust proof effects.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a protective device for a charging pile, comprising a shell, a charging pile body is arranged inside the shell, sockets for charging guns to be inserted are arranged at both ends of the shell, a protective shed is arranged on the top of the shell, a shielding assembly is arranged at the socket, the shielding assembly comprises a fixed ring, a shielding piece and a rotating ring, the fixed ring is fixedly arranged at the socket, a plurality of shielding pieces are arranged, and the plurality of shielding pieces are evenly distributed along the circumference of the fixed ring, adjacent shielding pieces are in contact with each other, the shielding piece is slidably connected to the fixed ring, the rotating ring is arranged inside the fixed ring, the rotating ring is rotatably connected to the fixed ring, and a control assembly for controlling the synchronous movement of the plurality of shielding pieces to shield the socket is arranged in the shell.

[0006] By adopting the above technical solution, when the charging gun is inserted into the socket, the control component controls multiple shielding pieces to move synchronously, so that the shielding pieces are in contact with the handle of the charging gun. At this time, the charging gun is wrapped, which can prevent dust and heavy rain from corroding the socket; when the charging gun is in use, the control component controls multiple shielding pieces to move synchronously. At this time, the shielding pieces close the socket, which can prevent rain or dust from entering the interior of the charging gun body from the socket.

[0007] The present invention is further configured as follows: the fixed ring and the rotating ring are arranged cocentrically with the socket, the shielding piece includes a triangular portion and a square portion, the triangular portions of adjacent shielding pieces are in contact with each other, a silicone layer is arranged on the triangular portion, a protrusion is arranged on the square portion, and a limiting block is arranged on the end of the square portion away from the protrusion.

[0008] By adopting the above technical solution, the design of the silicone layer can improve the sealing effect when the triangular parts are in contact with each other. At the same time, when the triangular part is in contact with the handle of the charging gun, the silicone layer can completely wrap the handle of the charging gun to prevent the triangular part from wearing the charging gun.

[0009] The present invention is further configured as follows: the control component includes a notch opened on the rotating ring, the notch is inclined toward the center of the rotating ring, a plurality of the notches are provided, the protrusion is embedded in the notch and is slidably connected to the notch, a strip groove for the limit block to be embedded is opened on the fixed ring, the strip grooves are connected in pairs, and a plurality of the strip grooves form a regular polygon.

[0010] By adopting the above technical solution, the rotating ring is rotated, and under the interaction between the limit block and the strip groove and the interaction between the protrusion and the notch, the shielding piece moves synchronously toward the center of the fixed ring, thereby shielding the socket.

[0011] The present invention is further configured as follows: a through hole is opened circumferentially on the outer circle of the fixed ring, and meshing teeth are arranged circumferentially on the outer circle of the rotating ring. A first gear is rotatably connected inside the shell, and the meshing teeth pass through the through hole and mesh with the first gear. A first motor is fixedly connected to the first gear, and the first motor is fixedly connected to the shell.

[0012] By adopting the above technical solution, the first motor controls the first gear to rotate, thereby controlling the rotating ring to rotate.

[0013] The present invention is further configured as follows: a heat dissipation hole is provided on one side of the shell, a dustproof net is provided at the heat dissipation hole, an inspection door is provided below the heat dissipation hole, the inspection door is slidably connected to the shell, and a driving component for controlling the reciprocating motion of the inspection door in the vertical direction is provided in the shell.

[0014] By adopting the above technical solution, the charging pile body dissipates heat through the heat dissipation holes, and the dustproof net can prevent dust from entering the interior of the charging pile through the heat dissipation holes; the driving component controls the inspection door to move upward, thereby opening the inspection door for easy inspection.

[0015] The present invention is further configured as follows: the driving assembly includes a first slide and a second slide arranged vertically, the first slide is located at the bottom of the second slide, the first slide is provided with two, the two first slides are respectively located at two ends of the inspection door, the first slide is arranged parallel to the second slide, the bottom of the inspection door is fixedly connected with a first connecting rod, the two ends of the first connecting rod respectively pass through the two first slides, the two ends of the first connecting rod are respectively rotatably connected with a first roller, the roller shaft of the first roller is embedded in the first slide and the first roller is rollingly connected to the first slide; the second connecting rod is fixedly connected to the inspection door, the second connecting rod is located above the first connecting rod, the first connecting rod is arranged parallel to the second connecting rod, the second connecting rod passes through the second slide, the second connecting rod is rotatably connected with the second roller, the roller shaft of the second roller is embedded in the second slide and the second roller is rollingly connected to the second slide; a sliding plate is slidably connected in the vertical direction in the shell, and the first connecting rod and the second connecting rod are both fixedly connected to the sliding plate.

[0016] By adopting the above technical solution, the first connecting rod and the second connecting rod move upward in the first slide and the second slide respectively, thereby driving the inspection door to move upward and realizing automatic opening of the inspection door; the first connecting rod and the second connecting rod are driven to move synchronously by the sliding plate to ensure that the directions of the upper and lower parts of the inspection door are synchronized when moving, thereby preventing the inspection door from tilting.

[0017] The present invention is further configured as follows: a sliding block is slidably connected in a vertical direction on a side of the shell away from the inspection door, a vertically arranged rack is fixedly connected to the sliding block, a second gear is rotatably connected in the shell, the second gear is meshed with the rack, a second motor is fixedly connected to the second gear, and the second motor is fixedly connected to the shell; a horizontal telescopic rod is arranged between the sliding block and the sliding plate, the telescopic rod includes a sleeve fixedly connected to the sliding plate and a sliding rod inserted in the sleeve, and the sliding rod is fixedly connected to the sliding block at one end away from the sleeve.

[0018] By adopting the above technical solution, the second motor controls the second gear to rotate, so that the rack drives the sliding block to move upward, and the sliding block drives the sliding plate to move upward through the telescopic rod.

[0019] The present invention is further configured as follows: the bottoms of the first slide and the second slide are both inclined toward one side of the inspection door, the top of the inspection door is an inclined surface, and the shell fits with the top of the inspection door.

[0020] By adopting the above technical solution, the top of the inspection door is set as an inclined surface, which facilitates the inspection door to be located inside the shell during the upward movement; the design of the telescopic rod facilitates the sliding block to drive the sliding plate to move synchronously.

[0021] The present invention is further configured as follows: a brush is slidably connected to a side of the inspection door away from the charging pile body, a connecting rod is fixedly connected to the top of the brush, a vertical slide groove is provided at the end of the connecting rod away from the brush, a rotating disk is rotatably connected inside the inspection door, a pin is fixedly connected to the rotating disk, the pin is embedded in the slide groove and the pin is slidably connected to the slide groove, a third motor is fixedly connected to the rotating disk, and the third motor is fixedly connected to the inspection door.

[0022] By adopting the above technical solution, after the inspection door is opened, the inspection door is located at the heat dissipation hole under the action of the driving assembly. At this time, the third motor controls the rotation of the rotating disk, and controls the brush to reciprocate in the horizontal direction through the pin and the slide groove, so as to clean the dust attached to the dust net. After the inspection is completed, the inspection door slowly descends under the action of the driving assembly. During this process, the brush can clean the dust net from top to bottom.

[0023] The present invention is further configured as follows: a horizontal limiting groove is provided on the inspection door, the brush is embedded in the limiting groove, the brush is slidably connected to the limiting groove, and a material receiving groove is provided at the bottom of the limiting groove.

[0024] By adopting the above technical solution, the limiting groove can control the brush to always move in the horizontal direction, so as to fully clean the dustproof net in the horizontal direction; the receiving groove is used to receive impurities cleaned from the dustproof net.

[0025] The beneficial effects of the present invention are:

[0026] 1. By designing a shielding component, when the charging gun is unplugged, the shielding plates move close to each other, thereby closing the socket to prevent rainwater from entering the charging pile body through the socket on rainy days or dust from entering the charging pile body through the socket on sunny days; when it rains heavily, the charging gun is inserted into the socket to control the shielding plate to contact the charging gun. At this time, the silicone layer wraps the handle of the charging gun to prevent rainwater from eroding the socket during heavy rain, further improving the rainproof effect.

[0027] 2. After the inspection door is opened by the driving assembly, the brush is located behind the dust screen. At this time, the third motor controls the rotating disk to drive the brush to move left and right to clean the dust screen. Then, when the inspection door is closed, the inspection door moves downward, driving the brush to move downward synchronously, so that the dust screen can be fully cleaned as a whole, and the cleaned dust will fall into the receiving trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the present invention.

[0030] Figure 2 It is a schematic diagram of the structure of the present invention.

[0031] Figure 3 It is a schematic diagram of the explosion of the shielding component of the present invention.

[0032] Figure 4 It is a cross-sectional schematic diagram of the fixing ring of the present invention.

[0033] Figure 5 Schematic diagram of the drive assembly of the present invention.

[0034] Figure 6 It is a schematic side view of the drive assembly of the present invention.

[0035] Figure 7 It is a schematic diagram of a brush of the present invention.

[0036] In the figure, 1, shell; 2, charging pile body; 3, socket; 4, protective shed; 5, shielding component; 51, fixing ring; 52, shielding piece; 521, triangular part; 522, square part; 523, protrusion; 524, limit block; 53, rotating ring; 54, control component; 541, notch; 542, strip groove; 543, through hole; 544, tooth; 545, first gear; 546, first motor; 6, heat dissipation hole; 7, dust net; 8, inspection door; 9, drive component ; 91. first slide; 92. second slide; 93. first connecting rod; 94. second connecting rod; 95. first roller; 96. second roller; 97. sliding plate; 98. sliding block; 99. rack; 910. second gear; 911. second motor; 912. telescopic rod; 9121. sleeve; 9122. sliding rod; 10. brush; 11. connecting rod; 12. slide; 13. rotating disk; 14. pin; 15. third motor; 16. limit groove; 17. receiving groove. DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Example: See Figure 1-7 A protective device for a charging pile includes a shell 1, a charging pile body 2 is arranged inside the shell 1, sockets 3 for charging guns to be inserted are arranged at both ends of the shell 1, a protective shed 4 is arranged on the top of the shell 1, and a shielding component 5 is arranged at the socket 3. The shielding component 5 includes a fixed ring 51, a shielding piece 52 and a rotating ring 53. The fixed ring 51 is fixedly arranged at the socket 3, and a plurality of shielding pieces 52 are arranged. The plurality of shielding pieces 52 are evenly distributed along the circumference of the fixed ring 51, and adjacent shielding pieces 52 are in contact with each other. The shielding piece 52 is slidably connected to the fixed ring 51, and the rotating ring 53 is arranged inside the fixed ring 51. The ring 53 is rotatably connected to the fixed ring 51, and a control component 54 is provided in the shell 1 for controlling a plurality of shielding pieces 52 to move synchronously to shield the socket 3. When the charging gun is inserted into the socket 3, the control component 54 controls the plurality of shielding pieces 52 to move synchronously, so that the shielding pieces 52 are in contact with the handle of the charging gun. At this time, the charging gun is wrapped, which can prevent dust and heavy rain from corroding the socket 3; when the charging gun is in use, the control component 54 controls the plurality of shielding pieces 52 to move synchronously. At this time, the shielding pieces 52 close the socket 3, which can prevent rainwater or dust from entering the interior of the charging gun body from the socket 3.

[0039] Furthermore, the fixed ring 51 and the rotating ring 53 are arranged cocentrically with the socket 3, and the shielding piece 52 includes a triangular portion 521 and a square portion 522. The triangular portions 521 of adjacent shielding pieces 52 are in contact with each other, a silicone layer is provided on the triangular portion 521, a protrusion 523 is provided on the square portion 522, and a limiting block 524 is provided at one end of the square portion 522 away from the protrusion 523. The design of the silicone layer can improve the sealing effect when the triangular portions 521 are in contact with each other. At the same time, when the triangular portion 521 is in contact with the handle of the charging gun, the silicone layer can completely wrap the handle of the charging gun to prevent the triangular portion 521 from wearing the charging gun.

[0040] Furthermore, the control component 54 includes a slot 541 provided on the rotating ring 53, the slot 541 is inclined toward the center of the rotating ring 53, a plurality of slots 541 are provided, the protrusion 523 is embedded in the slot 541 and is slidably connected with the slot 541, and a strip groove 542 for the limit block 524 to be embedded is provided on the fixed ring 51, the strip grooves 542 are connected in pairs, and a plurality of strip grooves 542 form a regular polygon, and the rotating ring 53 is rotated, and under the interaction between the limit block 524 and the strip groove 542 and the interaction between the protrusion 523 and the slot 541, the shielding piece 52 moves synchronously toward the center of the fixed ring 51, thereby shielding the socket 3.

[0041] Furthermore, a through hole 543 is opened along the circumferential direction on the outer circle of the fixed ring 51, and a gear 544 is arranged along the circumferential direction on the outer circle of the rotating ring 53. A first gear 545 is rotatably connected in the shell 1, and the gear 544 passes through the through hole 543 and meshes with the first gear 545. A first motor 546 is fixedly connected to the first gear 545, and the first motor 546 is fixedly connected to the shell 1. The first motor 546 controls the rotation of the first gear 545, thereby controlling the rotation of the rotating ring 53.

[0042] Furthermore, a heat dissipation hole 6 is provided on one side of the shell 1, a dustproof net 7 is provided at the heat dissipation hole 6, an inspection door 8 is provided below the heat dissipation hole 6, the inspection door 8 is slidably connected to the shell 1, and a driving component 9 for controlling the reciprocating movement of the inspection door 8 in the vertical direction is provided in the shell 1. The charging pile body 2 realizes heat dissipation through the heat dissipation hole 6, and the dustproof net 7 can prevent dust from entering the interior of the charging pile through the heat dissipation hole 6; the driving component 9 controls the inspection door 8 to move upward, thereby opening the inspection door 8 for convenient maintenance.

[0043] Furthermore, the driving assembly 9 includes a first slide 91 and a second slide 92 which are vertically arranged. The first slide 91 is located at the bottom of the second slide 92. Two first slides 91 are provided. The two first slides 91 are respectively located at both ends of the inspection door 8. The first slide 91 is arranged in parallel with the second slide 92. A first connecting rod 93 is fixedly connected to the bottom of the inspection door 8. Both ends of the first connecting rod 93 respectively pass through the two first slides 91. Both ends of the first connecting rod 93 are rotatably connected to first rollers 95. The roller shaft of the first roller 95 is embedded in the first slide 91 and the first roller 95 is rollingly connected to the first slide 91. A second connecting rod 94 is fixedly connected to the inspection door 8. The second connecting rod 94 is located above the first connecting rod 93. The first connecting rod 93 and the second connecting rod 93 are connected to the second connecting rod 95. The rods 94 are arranged in parallel, the second connecting rod 94 passes through the second slide 92, and the second connecting rod 94 is rotatably connected to the second roller 96, the roller shaft of the second roller 96 is embedded in the second slide 92 and the second roller 96 is rollingly connected to the second slide 92; a sliding plate 97 is slidably connected in the shell 1 along the vertical direction, the first connecting rod 93 and the second connecting rod 94 are fixedly connected to the sliding plate 97, the first connecting rod 93 and the second connecting rod 94 move upward in the first slide 91 and the second slide 92 respectively, thereby driving the inspection door 8 to move upward and realizing automatic opening of the inspection door 8; the first connecting rod 93 and the second connecting rod 94 are driven by the sliding plate 97 to move synchronously, ensuring that the directions of the upper and lower parts of the inspection door 8 are synchronized when the inspection door 8 moves, thereby preventing the inspection door 8 from tilting.

[0044] Furthermore, a sliding block 98 is slidably connected in the vertical direction on one side of the shell 1 away from the inspection door 8, a vertically arranged rack 99 is fixedly connected to the sliding block 98, a second gear 910 is rotatably connected in the shell 1, the second gear 910 is meshed with the rack 99, a second motor 911 is fixedly connected to the second gear 910, and the second motor 911 is fixedly connected to the shell 1; a horizontal telescopic rod 912 is arranged between the sliding block 98 and the sliding plate 97, the telescopic rod 912 includes a sleeve 9121 fixedly connected to the sliding plate 97 and a sliding rod 9122 inserted in the sleeve 9121, the sliding rod 9122 is fixedly connected to the sliding block 98 at one end away from the sleeve 9121, the second motor 911 controls the second gear 910 to rotate, so that the rack 99 drives the sliding block 98 to move upward, and the sliding block 98 drives the sliding plate 97 to move upward through the telescopic rod 912.

[0045] Furthermore, the bottoms of the first slide 91 and the second slide 92 are both inclined toward the side of the inspection door 8, the top of the inspection door 8 is an inclined surface, the shell 1 fits with the top of the inspection door 8, and the top of the inspection door 8 is set as an inclined surface, which facilitates the inspection door 8 to be located inside the shell 1 during the upward movement; the design of the telescopic rod 912 facilitates the sliding block 98 to drive the sliding plate 97 to move synchronously.

[0046] Furthermore, a brush 10 is slidably connected to the side of the inspection door 8 away from the charging pile body 2, and a connecting rod 11 is fixedly connected to the top of the brush 10. A vertical slide groove 12 is opened at the end of the connecting rod 11 away from the brush 10, and a rotating disk 13 is rotatably connected inside the inspection door 8. A pin 14 is fixedly connected to the rotating disk 13, and the pin 14 is embedded in the slide groove 12 and the pin 14 is slidably connected to the slide groove 12. A third motor 15 is fixedly connected to the rotating disk 13, and the third motor 15 is fixedly connected to the inspection door 8. After the inspection door 8 is opened, the inspection door 8 is located at the heat dissipation hole 6 under the action of the driving assembly 9. At this time, the third motor 15 controls the rotating disk 13 to rotate, and controls the brush 10 to reciprocate in the horizontal direction through the pin 14 and the slide groove 12, so as to clean the dust attached to the dustproof net 7. After the inspection is completed, the inspection door 8 slowly descends under the action of the driving assembly 9. During this process, the brush 10 can clean the dustproof net 7 from top to bottom.

[0047] Furthermore, a horizontal limiting groove 16 is provided on the inspection door 8, and the brush 10 is embedded in the limiting groove 16. The brush 10 is slidably connected to the limiting groove 16, and a material receiving groove 17 is provided at the bottom of the limiting groove 16. The limiting groove 16 can control the brush 10 to always move in the horizontal direction, so as to fully clean the dustproof net 7 in the horizontal direction; the material receiving groove 17 is used to receive impurities cleaned from the dustproof net 7.

[0048] Working principle of the present invention:

[0049] When the charging gun is in use, the first motor 546 controls the first gear 545 to rotate, and drives the rotating ring 53 to rotate through the meshing teeth 544. Under the interaction between the limit block 524 and the strip groove 542 and the interaction between the protrusion 523 and the notch 541, the multiple shielding plates 52 move synchronously, and the triangular parts 521 contact each other, thereby shielding the socket 3 to prevent dust and rainwater from entering the charging pile body 2 and damaging the life of the charging pile.

Claims

1. A protective device for a charging pile, comprising a housing (1), a charging pile body (2) being arranged inside the housing (1), sockets (3) for inserting a charging gun being arranged at both ends of the housing (1), and a protective shed (4) being arranged on the top of the housing (1), characterized in that: A shielding assembly (5) is arranged at the socket (3), and the shielding assembly (5) comprises a fixed ring (51), a shielding sheet (52) and a rotating ring (53). The fixed ring (51) is fixedly arranged at the socket (3), a plurality of shielding sheets (52) are arranged, and the plurality of shielding sheets (52) are evenly distributed along the circumference of the fixed ring (51), and adjacent shielding sheets (52) are in contact with each other. The shielding sheets (52) are slidably connected to the fixed ring (51), and the rotating ring (53) is arranged inside the fixed ring (51), and the rotating ring (53) is rotatably connected to the fixed ring (51). A control assembly (54) for controlling the synchronous movement of the plurality of shielding sheets (52) to shield the socket (3) is arranged inside the housing (1).

2. A protective device for a charging pile according to claim 1, characterized in that: The fixed ring (51) and the rotating ring (53) are arranged cocentrically with the socket (3); the shielding sheet (52) comprises a triangular portion (521) and a square portion (522); the triangular portions (521) of adjacent shielding sheets (52) are in contact with each other; a silicone layer is arranged on the triangular portion (521); a protrusion (523) is arranged on the square portion (522); and a limiting block (524) is arranged at one end of the square portion (522) away from the protrusion (523).

3. A protective device for a charging pile according to claim 2, characterized in that: The control assembly (54) comprises a notch (541) provided on the rotating ring (53), the notch (541) being inclined toward the center of the rotating ring (53), a plurality of the notches (541) being provided, the protrusion (523) being embedded in the notch (541) and being slidably connected to the notch (541), and a strip groove (542) for the limit block (524) to be embedded in is provided on the fixed ring (51), the strip grooves (542) being connected in pairs, and a plurality of the strip grooves (542) forming a regular polygon.

4. A protective device for a charging pile according to claim 3, characterized in that: A through hole (543) is provided on the outer circumference of the fixed ring (51) along the circumferential direction, and a meshing tooth (544) is provided on the outer circumference of the rotating ring (53) along the circumferential direction. A first gear (545) is rotatably connected inside the housing (1), and the meshing tooth (544) passes through the through hole (543) and meshes with the first gear (545). A first motor (546) is fixedly connected to the first gear (545), and the first motor (546) is fixedly connected to the housing (1).

5. The protective device for a charging pile according to claim 1, characterized in that: A heat dissipation hole (6) is provided on one side of the shell (1), a dustproof net (7) is provided at the heat dissipation hole (6), an inspection door (8) is provided below the heat dissipation hole (6), the inspection door (8) is slidably connected to the shell (1), and a driving component (9) for controlling the reciprocating movement of the inspection door (8) in the vertical direction is provided in the shell (1).

6. A protective device for a charging pile according to claim 5, characterized in that: The driving assembly (9) comprises a first slideway (91) and a second slideway (92) which are arranged vertically, wherein the first slideway (91) is located at the bottom of the second slideway (92), two first slideways (91) are arranged, and the two first slideways (91) are respectively located at two ends of the inspection door (8), the first slideway (91) and the second slideway (92) are arranged in parallel, a first connecting rod (93) is fixedly connected to the bottom of the inspection door (8), the two ends of the first connecting rod (93) respectively pass through the two first slideways (91), the two ends of the first connecting rod (93) are respectively rotatably connected to first rollers (95), the roller shaft of the first roller (95) is embedded in the first slideway (91) and the first roller (95) is connected to the first slideway (91). The first slide (91) is rollingly connected; the inspection door (8) is fixedly connected with a second connecting rod (94), the second connecting rod (94) is located above the first connecting rod (93), the first connecting rod (93) and the second connecting rod (94) are arranged in parallel, the second connecting rod (94) passes through the second slide (92), the second connecting rod (94) is rotatably connected with a second roller (96), the roller shaft of the second roller (96) is embedded in the second slide (92) and the second roller (96) is rollingly connected to the second slide (92); a sliding plate (97) is slidably connected in the vertical direction in the shell (1), and the first connecting rod (93) and the second connecting rod (94) are both fixedly connected to the sliding plate (97).

7. A protective device for a charging pile according to claim 6, characterized in that: A sliding block (98) is slidably connected in the vertical direction on one side of the shell (1) away from the inspection door (8), and a vertically arranged rack (99) is fixedly connected to the sliding block (98). A second gear (910) is rotatably connected in the shell (1), and the second gear (910) is meshed with the rack (99). The second gear (910) is fixedly connected to a second motor (911), and the second motor (911) is fixedly connected to the shell (1); a telescopic rod (912) in the horizontal direction is arranged between the sliding block (98) and the sliding plate (97), and the telescopic rod (912) includes a sleeve (9121) fixedly connected to the sliding plate (97) and a sliding rod (9122) inserted in the sleeve (9121), and the end of the sliding rod (9122) away from the sleeve (9121) is fixedly connected to the sliding block (98).

8. A protective device for a charging pile according to claim 7, characterized in that: The bottoms of the first slideway (91) and the second slideway (92) are both inclined toward one side of the inspection door (8), the top of the inspection door (8) is an inclined surface, and the housing (1) fits with the top of the inspection door (8).

9. The protective device for a charging pile according to claim 1, characterized in that: A brush (10) is slidably connected to the side of the inspection door (8) away from the charging pile body (2); a connecting rod (11) is fixedly connected to the top of the brush (10); a vertical slide groove (12) is provided at one end of the connecting rod (11) away from the brush (10); a rotating disk (13) is rotatably connected inside the inspection door (8); a pin (14) is fixedly connected to the rotating disk (13); the pin (14) is embedded in the slide groove (12) and the pin (14) is slidably connected to the slide groove (12); a third motor (15) is fixedly connected to the rotating disk (13); and the third motor (15) is fixedly connected to the inspection door (8).

10. A protective device for a charging pile according to claim 9, characterized in that: The inspection door (8) is provided with a horizontal limiting groove (16), the brush (10) is embedded in the limiting groove (16), the brush (10) is slidably connected to the limiting groove (16), and a material receiving groove (17) is provided at the bottom of the limiting groove (16).

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