Wall-mounted alternating current charging pile

Abstract

The utility model belongs to the technical field of electric automobile charging equipment, and relates to a wall-mounted AC charging pile, which comprises a rectangular aluminum alloy shell with a lower opening and a drawer-type inner box assembly, the inner box assembly comprises a box body, a charging module mainboard and a panel, the box body is arranged in the aluminum alloy shell along the vertical direction in a sliding manner, and the charging module mainboard is arranged in the aluminum alloy shell along the vertical direction. The charging module mainboard is fixed in the box body and is electrically connected with the charging gun, the panel is matched with a lower opening of the aluminum alloy shell and is provided with a hanging slot for the charging gun, a plurality of inner hole columns are vertically arranged in the aluminum alloy shell, and the lower end surfaces of the inner hole columns abut against the inner side wall of the panel to form a limiting structure. A through hole for the screw rod to penetrate through is formed in the position, corresponding to the inner hole column, of the panel, and the screw rod penetrates through the through hole, then is inserted into the inner hole column and is fixed to the upper end of the inner hole column in a threaded connection mode. The wall-mounted AC charging pile provided by the utility model is convenient to assemble and maintain, and has better dustproof and waterproof effects.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle charging equipment and relates to a wall-mounted AC charging pile. Background Art

[0002] In the development process of the new energy vehicle industry, electric vehicle charging piles have been laid out on a large scale. The wall-mounted charging pile is a common charging pile, which generally includes a housing, a charging module and a charging gun. The charging module is arranged in the housing and electrically connected to the charging gun. For the convenience of installation and maintenance, the existing housing is generally formed by fixedly connecting two half-shells. The two half-shells are distributed front and back and connected by a plurality of fasteners. Its disadvantage is that it is difficult to disassemble when maintenance is needed; there are gaps between the two half-shells, and the dust and water protection effects are not good. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a wall-mounted AC charging pile, which can facilitate assembly and maintenance and also has better dust and water protection effects.

[0004] To solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A wall-mounted AC charging pile includes a rectangular aluminum alloy housing with a lower opening and a drawer-type inner box assembly. The inner box assembly includes a box body, a charging module main board and a panel. The box body is slidably arranged vertically in the aluminum alloy housing. The charging module main board is fixed in the box body and electrically connected to the charging gun. The panel is adapted to the lower opening of the aluminum alloy housing and is provided with a hanging slot for the charging gun. A plurality of inner hole columns are arranged vertically in the aluminum alloy housing. The lower end surface of the inner hole column abuts against the inner side wall of the panel to form a limiting structure. Through holes for the screw rod to pass through are arranged at the positions of the panel corresponding to the inner hole columns. After the screw rod passes through the through hole, it is inserted into the inner hole column and screwed and fixed with the upper end part of the inner hole column.

[0006] In the above-mentioned wall-mounted AC charging pile, four inner hole columns are provided, which are respectively located at the four corners of the aluminum alloy housing.

[0007] In the above-mentioned wall-mounted AC charging pile, the corners of the aluminum alloy housing are arc chamfers. A connecting piece is arranged radially along the inner side of the arc chamfer. The inner hole column is arranged at the end of the connecting piece. The inner hole column, the connecting piece and the aluminum alloy housing are integrally formed.

[0008] In the above-mentioned wall-mounted AC charging pile, an axial opening is arranged on the side of the inner hole column away from the connecting piece; preferably, the axial opening penetrates the inner hole column.

[0009] In the above-mentioned wall-mounted AC charging pile, the bottom and two side walls of the box body are in contact connection with the inner wall of the aluminum alloy housing, and an avoidance groove adapted to the inner hole column is provided between the bottom and the side walls of the box body.

[0010] In the above-mentioned wall-mounted AC charging pile, a nut is embedded at the upper end of the inner hole column, and an external thread for cooperating with the nut for screwing and fixing is provided at the end of the screw rod. Preferably, the other part of the screw rod is a smooth rod, and the through hole on the panel is a counterbore for cooperating with the head of the screw rod.

[0011] In the above-mentioned wall-mounted AC charging pile, the panel is inclined downward from front to back, the hanging slot is perpendicular to the panel and makes the charging gun form an inclined hanging structure, and the lower end of the aluminum alloy housing is provided with an inclined surface adapted to the panel; preferably, the lower end surface of the aluminum alloy housing extends beyond the lower end surface of the panel.

[0012] In the above-mentioned wall-mounted AC charging pile, a vertical through groove and a plurality of mounting hole columns for the fasteners to pass through are provided at the rear side of the aluminum alloy housing. The mounting hole columns are arranged in the vertical through groove and are adapted to its depth. An upper opening is provided at the upper end of the aluminum alloy housing and is covered with a top cap, and the top cap forms a shielding structure for the vertical through groove.

[0013] In the above-mentioned wall-mounted AC charging pile, vertical reinforcing rib strips corresponding to the mounting hole columns are provided at the rear side of the inner wall of the aluminum alloy housing, and concave-convex structures adapted to the vertical reinforcing rib strips and the vertical through groove are provided at the bottom of the box body; preferably, a plurality of mounting hole columns are provided, and the mounting hole columns at the same vertical position are correspondingly provided with the same vertical reinforcing rib strip.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. The present utility model provides a wall-mounted AC charging pile, which adopts a drawer-type structure with a lower opening. When maintenance is required, the inner box assembly can be directly pulled out from the aluminum alloy housing without disassembling the outer shell, which is more convenient. The present utility model locks the inner box assembly through the cooperation of the inner hole column and the stud to form a firm structure. At the same time, when the inner box assembly is pulled out, the sliding structure of the inner hole column and the stud can also form a guiding structure for the inner box assembly, so that it can slide smoothly in the aluminum alloy housing along the vertical direction.

[0016] 2. The present utility model adopts an aluminum alloy housing with a lower opening, and its circumferential direction is a whole smooth outer shell without gaps and joints, so it has better waterproof and dustproof effects. Further, the present utility model also provides a vertical through groove, so that the aluminum alloy housing can be attached to the hanging plane during installation, enhancing the waterproof and dustproof effects. At the same time, the vertical through groove and the vertical reinforcing rib strips can also form a limiting structure for the inner box assembly to prevent it from shifting during pulling. Brief Description of the Drawings

[0017] Figure 1 is a perspective view of the present utility model;

[0018] Figure 2 is an exploded view of the present utility model;

[0019] Figure 3 is a cross-sectional view of the present utility model;

[0020] Figure 4 is Figure 3 an enlarged view of part A of

[0021] Reference numerals in the drawings: 1, aluminum alloy housing; 2, box body; 3, charging module main board; 4, panel; 5, charging gun; 6, hanging slot; 7, inner hole column; 8, screw; 9, through hole; 10, connecting piece; 11, axial opening; 12, avoidance groove; 13, vertically penetrating groove; 14, mounting hole column; 15, top cap; 16, vertical reinforcing rib. Detailed Description of the Preferred Embodiments

[0022] The present utility model will be further described below with reference to the accompanying drawings in specific embodiments. Refer to Figures 1 - 3 :

[0023] A wall-mounted AC charging pile includes a rectangular aluminum alloy housing 1 with a lower opening and a drawer-type inner box assembly. The inner box assembly includes a box body 2, a charging module main board 3, and a panel 4. The box body 2 is slidably arranged vertically in the aluminum alloy housing 1. The charging module main board 3 is fixed in the box body 2 and electrically connected to the charging gun 5. The panel 4 is adapted to the lower opening of the aluminum alloy housing 1 and is provided with a hanging slot 6 for the charging gun 5. A plurality of inner hole columns 7 are arranged vertically in the aluminum alloy housing 1. The lower end surface of the inner hole column 7 abuts against the inner side wall of the panel 4 to form a limiting structure. A through hole 9 for the screw 8 to pass through is provided at the position of the panel 4 corresponding to the inner hole column 7. The screw 8 passes through the through hole 9 and then inserts into the inner hole column 7 and is screwed and fixed to the upper end of the inner hole column 7.

[0024] In this embodiment, the aluminum alloy housing 1 is fixed to the hanging plane for use. Its usage method is the same as that of a usual wall-mounted AC charging pile. The charging gun 5 is pulled out from the hanging slot 6 and then inserted into an electric vehicle for use. Referring to the attached Figure 2 , when maintenance is required, the screw 8 is loosened, and then the inner box assembly is pulled downwards. The charging module main board 3 moves simultaneously with the box body 2 for maintenance. After the maintenance is completed, the inner box assembly is pushed upwards. After it is in place, the screw 8 is tightened to form a fixed structure.

[0025] Referring to the attached Figure 3 , preferably, four inner hole columns 7 are provided, which are respectively located at the four corners of the aluminum alloy housing 1.

[0026] Refer to the attached Figure 4 , the specific setting method of the inner hole column 7 is as follows: the corner of the aluminum alloy housing 1 is an arc chamfer, a connecting piece 10 is arranged radially along the inner side of the arc chamfer, the inner hole column 7 is arranged at the end of the connecting piece 10, and the inner hole column 7, the connecting piece 10 and the aluminum alloy housing 1 are integrally formed.

[0027] Furthermore, an axial opening 11 is arranged on the side of the inner hole column 7 away from the connecting piece 10; preferably, the axial opening 11 penetrates through the inner hole column 7; by arranging the axial opening 11, it can be avoided that the gas in the inner hole column 7 is compressed or expanded when the screw 8 is pushed and pulled, resulting in difficult pushing and pulling. At the same time, arranging the axial opening 11 is also beneficial to the casting and demolding of the aluminum alloy housing 1.

[0028] Furthermore, the bottom and two side walls of the box body 2 are in contact connection with the inner wall of the aluminum alloy housing 1, and an avoidance groove 12 adapted to the inner hole column 7 is arranged between the bottom and the side walls of the box body 2.

[0029] For the convenience of production, in this embodiment, the method of forming an internal thread in the inner hole column 7 is not used, but the method of installing a nut separately is adopted: a nut is embedded at the upper end of the inner hole column 7, and an external thread for cooperating with the nut for screwing and fixing is arranged at the end of the screw 8. Preferably, the other part of the screw 8 is a smooth rod, and the through hole 9 on the panel 4 is a counterbore for cooperating with the head of the screw 8.

[0030] For the convenience of taking the charging gun 5, the panel 4 is arranged to incline downward from front to back, the hanging slot 6 is perpendicular to the panel 4 and makes the charging gun 5 form an inclined hanging structure, and the lower end of the aluminum alloy housing 1 is arranged as a slope adapted to the panel 4; preferably, in order to further protect the panel 4, the lower end surface of the aluminum alloy housing 1 extends beyond the lower end surface of the panel 4.

[0031] In order to further improve the waterproof and dustproof performance, a vertical through groove 13 and a plurality of mounting hole columns 14 for fasteners to pass through are arranged at the rear side of the aluminum alloy housing 1. The mounting hole columns 14 are arranged in the vertical through groove 13 and are adapted to its depth. Through the fasteners in the mounting hole columns 14, an upper opening is arranged at the upper end of the aluminum alloy housing 1 and is covered with a top cap 15, and the top cap 15 forms a shielding structure for the vertical through groove 13.

[0032] On the rear side of the inner wall of the above-mentioned aluminum alloy housing 1, there are vertical reinforcing rib strips 16 corresponding to the mounting hole columns 14. The reinforcing rib strips are beneficial to enhancing the structural strength at the punching and installation positions. At the bottom of the box body 2, there is a concave-convex structure adapted to the vertical reinforcing rib strips 16 and the vertical through grooves 13. The concave-convex structure can form a limiting structure when the inner box assembly is pulled, preventing it from shifting. Preferably, there are multiple mounting hole columns 14, and the mounting hole columns 14 at the same vertical position are correspondingly provided with the same vertical reinforcing rib strip 16.

[0033] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A wall-mounted AC charging pile, characterized in that: The invention comprises a rectangular aluminum alloy shell (1) with a lower opening and a drawer-type inner box component, wherein the inner box component comprises a box body (2), a charging module mainboard (3) and a panel (4); the box body (2) is vertically slidably arranged in the aluminum alloy shell (1); the charging module mainboard (3) is fixed in the box body (2) and is electrically connected to a charging gun (5); the panel (4) is adapted to the lower opening of the aluminum alloy shell (1) and is provided with a hanging slot (6) for the charging gun (5); a plurality of inner hole columns (7) are vertically arranged in the aluminum alloy shell (1); the lower end faces of the inner hole columns (7) abut against the inner side walls of the panel (4) and form a limiting structure; a through hole (9) for a screw (8) to pass through is provided at a position corresponding to the panel (4) and the inner hole column (7); the screw (8) passes through the through hole (9) and is inserted into the inner hole column (7) and is screwed and fixed to the upper end of the inner hole column (7).

2. A wall-mounted AC charging pile according to claim 1, characterized in that: Four inner hole columns (7) are provided and are respectively located at four corners of the aluminum alloy shell (1).

3. A wall-mounted AC charging pile according to claim 2, characterized in that: The aluminum alloy shell (1) has an arc-shaped chamfer at the corner, a connecting piece (10) is radially arranged on the inner side of the arc-shaped chamfer, the inner hole column (7) is arranged at the end of the connecting piece (10), and the inner hole column (7), the connecting piece (10) and the aluminum alloy shell (1) are integrally formed.

4. A wall-mounted AC charging pile according to claim 3, characterized in that: An axial opening (11) is provided on the side of the inner hole column (7) away from the connecting piece (10).

5. The wall-mounted AC charging pile according to claim 3, characterized in that: The bottom and both side walls of the box body (2) are in contact with the inner wall of the aluminum alloy shell (1), and an avoidance groove (12) adapted to the inner hole column (7) is provided between the bottom and the side walls of the box body (2).

6. The wall-mounted AC charging pile according to claim 1, characterized in that: A nut is embedded in the upper end of the inner hole column (7), and an external thread that cooperates with the nut and is screwed and fixed is provided at the end of the screw rod (8).

7. The wall-mounted AC charging pile according to claim 1, characterized in that: The panel (4) is arranged to be tilted downward from front to back, the hanging slot (6) is perpendicular to the panel (4) and enables the charging gun (5) to be in an inclined hanging structure, and the lower end of the aluminum alloy shell (1) is arranged to be an inclined surface adapted to the panel (4).

8. The wall-mounted AC charging pile according to claim 1, characterized in that: The rear side of the aluminum alloy shell (1) is provided with a vertical through slot (13) and a plurality of mounting hole columns (14) for fasteners to pass through, the mounting hole columns (14) are arranged in the vertical through slot (13) and are adapted to the depth thereof, the upper end of the aluminum alloy shell (1) is provided with an upper opening and is covered with a top cap (15), the top cap (15) forming a shielding structure for the vertical through slot (13).

9. A wall-mounted AC charging pile according to claim 8, characterized in that: A vertical reinforcing rib (16) corresponding to the mounting hole column (14) is arranged on the rear side of the inner wall of the aluminum alloy shell (1), and a concave-convex structure matching the vertical reinforcing rib (16) and the vertical through groove (13) is arranged on the bottom of the box body (2).

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