阅读说明：本技术 新能源汽车充电用的充电连接结构 (Charging connection structure for charging new energy automobile ) 是由 不公告发明人 于 2020-07-22 设计创作，主要内容包括：本发明公开一种新能源汽车充电用的充电连接结构,包括充电插头、充电插槽以及壳体,所述充电插槽穿过壳体,在充电插槽右端部设有伸缩管；所述侧板中部设有管座,所述管座中心设有台阶孔,所述伸缩管穿设在台阶孔的小孔段中,在所述管座的外围设有滑环,在壳体内上部设有电动推杆,所述充电插头上设有带环槽的外凸环,所述罩体内设有上下两条杠杆条,杠杆条的左端部设有卡块,卡块上设有卡齿；所述滑环左侧面设有L形杆；在管座的左侧面上设有上下两根套管,套管左部设有伸缩杆。这种充电连接结构在充电时可以实现充电插头和充电插槽的紧密连接,在充电完成后,充电插头和充电插槽在电性上实现断开,以提高安全性能。(The invention discloses a charging connection structure for charging a new energy automobile, which comprises a charging plug, a charging slot and a shell, wherein the charging slot penetrates through the shell, and a telescopic pipe is arranged at the right end part of the charging slot; the middle part of the side plate is provided with a tube seat, the center of the tube seat is provided with a step hole, the telescopic tube is arranged in a small hole section of the step hole in a penetrating way, the periphery of the tube seat is provided with a slip ring, the upper part in the shell is provided with an electric push rod, the charging plug is provided with an outer convex ring with a ring groove, the cover body is internally provided with an upper lever strip and a lower lever strip, the left end part of each lever strip is provided with a clamping block, and the clamping block is; an L-shaped rod is arranged on the left side face of the slip ring; an upper sleeve and a lower sleeve are arranged on the left side surface of the tube seat, and a telescopic rod is arranged at the left part of each sleeve. The charging connection structure can realize the tight connection of the charging plug and the charging slot when charging, and after charging is completed, the charging plug and the charging slot are electrically disconnected, so that the safety performance is improved.)

1. A charging connection structure for charging a new energy automobile comprises a charging plug (1), a charging slot (2) matched with the charging plug (1) and a shell (3) used for arranging the charging slot (2), and is characterized in that the shell (3) comprises a cover body (4) with an opening at the right side and a side plate (5) sealed at the right side of the cover body (4); the charging slot (2) penetrates through the left side wall of the cover body (4), a turned-over edge (6) is arranged at a notch on the left side of the charging slot (2), a telescopic pipe (7) is arranged at the right end part of the charging slot (2), an electric wire (32) of the charging slot (2) is arranged in the telescopic pipe (7) in a penetrating mode, and a limiting ring (8) is arranged at the right end part of the telescopic pipe (7); a tube seat (9) is arranged in the middle of the side plate (5), a step hole (10) is formed in the center of the tube seat (9), the telescopic tube (7) is arranged in a small hole section of the step hole (10) in a penetrating mode, and a first spring (11) which is abutted against the right end face of the charging slot (2) is arranged in a large hole section of the step hole (10); a sliding ring (12) is arranged on the periphery of the tube seat (9), and a second spring (13) sleeved on the tube seat (9) is arranged between the sliding ring (12) and the side plate (5); an electric push rod (14) is arranged at the upper part in the shell (3), and the push rod end of the electric push rod (14) is connected with the slip ring (12); an outer convex ring (15) with a ring groove (16) is arranged on the charging plug (1), and the right end face of the outer convex ring (15) is a slope; an upper lever bar (17) and a lower lever bar (17) are arranged in the cover body (4), the charging slot (2) is positioned between the two lever bars (17), the middle parts of the lever bars (17) are movably connected in the shell (3) through rotating shafts (18), and a slit (19) through which the lever bars (17) can move is arranged at the position, through which the lever bars (17) pass, on the cover body (4); a clamping block (20) is arranged at the left end part of the lever strip (17), and a clamping tooth (21) which can be clamped into the annular groove (16) is arranged on the clamping block (20); the right side part of the lever bar (17) is provided with an inclined plane block (22), and the height of the inclined plane block (22) is larger towards the right; an upper L-shaped rod (23) and a lower L-shaped rod (23) are arranged on the left side face of the slip ring (12), one L-shaped rod (23) corresponds to one lever strip (17), a roller (24) capable of rolling on the inclined plane of the inclined plane block (22) is arranged at the end part of the vertical part of the L-shaped rod (23), and the lever strip (17) is in a horizontal state when the roller (24) is at the lowest end of the inclined plane; an upper sleeve (25) and a lower sleeve (25) are arranged on the left side surface of the tube seat (9), a third spring (26) is arranged inside each sleeve (25), a telescopic rod (27) extending out of each sleeve (25) is arranged at the left part of each sleeve (25), and the telescopic rod (27) penetrates through the left side wall of the cover body (4) and then abuts against the outer convex ring (15); a limiting rod (28) is arranged on the telescopic rod (27), and the distance between the limiting rod (28) and the left side wall of the cover body (4) is larger than the distance between the limiting ring (8) and the side plate (5); a fourth spring (29) is arranged between the sleeve (25) and the bevel block (22).

2. The charging connection structure for charging the new energy automobile according to claim 1, characterized in that: the charging slot (2) is provided with a heat dissipation hole (30).

3. The charging connection structure for charging the new energy automobile according to claim 1, characterized in that: the bottom surface of the shell (3) is provided with a fan (31) for ventilation.

Technical Field

The invention relates to a new energy automobile charging pile, in particular to a charging connection structure for charging a new energy automobile, which is used on the charging pile.

Background

The new energy automobile adopts electronic or oil-electricity hybrid, compares in the more environmental protection of driven oil power mode, is the mode that the country encouraged to advocate, all has policy privilege to the new energy automobile in most cities in order to promote better.

Different with the tradition mode of refueling, what new energy automobile adopted fills electric pile and charges, fills electric pile and includes charging plug 1 and with charging plug 1 matched with charging slot 2, charging plug 1 inserts charging slot 2, and the car is connected to the 1 other end of charging plug to the car is washed the electricity.

In the existing charging pile, a power supply control system is arranged in the charging pile, a charging slot 2 is arranged on a shell of the existing charging pile, and the power supply control system is electrically connected with an electric wire of the charging slot 2 and controls the on-off of the electric wire; the conventional charging slot 2 does not have the functions of automatically locking and releasing the charging plug 1, the electric connection is realized by depending on manual pressing, the effect is poor, and if the charging plug 1 and the charging slot 2 are used for a long time, the untight connection state is easily caused, and the charging failure is caused; it is desirable to realize the tight connection between the charging plug 1 and the charging slot 2 during charging; after charging is completed, the charging plug 1 and the charging slot 2 in the existing structure cannot be electrically disconnected (because there is a certain potential safety hazard when the charging slot 2 is powered off by the 'soft' control system, and because the system may malfunction or malfunction), the safety performance is poor, so that the existing charging pile has inconvenience and unreasonable places for use, and therefore needs to be improved.

Disclosure of Invention

The purpose of the invention is: the charging connection structure for charging the new energy automobile can realize tight connection between the charging plug and the charging slot during charging, and after charging is completed, the charging plug and the charging slot are electrically disconnected so as to improve safety performance.

The scheme of the invention is as follows: a charging connection structure for charging a new energy automobile comprises a charging plug, a charging slot matched with the charging plug and a shell for arranging the charging slot, and is characterized in that the shell comprises a cover body with an opening at the right side and a side plate sealed at the right side of the cover body; the charging slot penetrates through the left side wall of the cover body, a flanging is arranged at a slot on the left side of the charging slot, a telescopic pipe is arranged at the right end part of the charging slot, an electric wire of the charging slot penetrates through the telescopic pipe, and a limiting ring is arranged at the right end part of the telescopic pipe; a tube seat is arranged in the middle of the side plate, a step hole is formed in the center of the tube seat, the telescopic tube penetrates through a small hole section of the step hole, and a first spring which is abutted against the right end face of the charging slot is arranged in a large hole section of the step hole; a sliding ring is arranged on the periphery of the tube seat, and a second spring sleeved on the tube seat is arranged between the sliding ring and the side plate; an electric push rod is arranged at the upper part in the shell, and the push rod end of the electric push rod is connected with the slip ring; an outer convex ring with a ring groove is arranged on the charging plug, and the right end face of the outer convex ring is a slope; an upper lever bar and a lower lever bar are arranged in the cover body, the charging slot is positioned between the two lever bars, the middle parts of the lever bars are movably connected in the cover body through rotating shafts, and a slit which can enable the lever bars to move is arranged at the position, through which the lever bars pass, on the cover body; a clamping block is arranged at the left end part of the lever strip, and a clamping tooth which can be clamped into the annular groove is arranged on the clamping block; the right side part of the lever bar is provided with an inclined plane block, and the height of the inclined plane block is larger towards the right; the left side surface of the slip ring is provided with an upper L-shaped rod and a lower L-shaped rod, one L-shaped rod corresponds to one lever strip, the end part of the vertical part of each L-shaped rod is provided with a roller capable of rolling on the inclined surface of the inclined surface block, and the lever strip is in a horizontal state when the roller is positioned at the lowest end of the inclined surface; an upper sleeve and a lower sleeve are arranged on the left side surface of the tube seat, a third spring is arranged inside each sleeve, a telescopic rod extending out of each sleeve is arranged on the left part of each sleeve, and the telescopic rod penetrates through the left side wall of the cover body and then abuts against the outer convex ring; a limiting rod is arranged on the telescopic rod, and the distance between the limiting rod and the left side wall of the cover body is larger than the distance between the limiting ring and the side plate; and a fourth spring is arranged between the sleeve and the inclined plane block.

The further scheme of the invention is as follows:

in order to improve the heat dissipation effect during charging, the charging slot is provided with heat dissipation holes.

In order to further improve the heat dissipation performance during charging, a fan for ventilation is arranged on the bottom surface of the shell.

Compared with the prior art, the invention has the beneficial effects that:

during charging, the charging plug is manually inserted into the matched charging slot, the charging plug can be effectively fixed, on one hand, the charging plug is fixed by the clamping teeth, on the other hand, the charging plug is attached to the charging slot tightly, the charging plug and the charging slot cannot be loosened in the charging process, the charging plug and the charging slot are tightly attached to form effective electric connection, and the charging effect is good;

after charging is completed, the clamping teeth can be automatically opened by controlling the electric push rod, the charging plug is pushed leftwards by the charging slot and the telescopic rod under the action of respective springs, the clamping teeth are staggered and separated from the annular groove, the telescopic rod can separate the further charging slot from the charging plug, after charging is completed, effective disconnection of the charging slot and the charging plug is completed, and the safety performance after charging is completed can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a charging connection structure for charging a new energy vehicle described in embodiment 1;

fig. 2 is a schematic structural diagram of a charging connection structure for charging a new energy vehicle described in embodiment 2;

fig. 3 is a schematic structural diagram of a charging connection structure for charging a new energy vehicle described in embodiment 3;

numbering in the figures: the charging plug comprises a charging plug 1, a charging slot 2, a shell 3, a cover body 4, a side plate 5, a flanging 6, an extension pipe 7, a limiting ring 8, a pipe seat 9, a stepped hole 10, a first spring 11, a sliding ring 12, a second spring 13, an electric push rod 14, an outer convex ring 15, a ring groove 16, a lever strip 17, a rotating shaft 18, a slit 19, a clamping block 20, a clamping tooth 21, an inclined block 22, an L-shaped rod 23, a roller 24, a sleeve 25, a third spring 26, an expansion rod 27, a limiting rod 28, a fourth spring 29, a heat dissipation hole 30, a fan 31 and an electric wire 32.

Detailed Description

The invention is further described by way of example with reference to the accompanying drawings.