Direct-current quick charging pile for electric automobile

Abstract

The utility model discloses a direct-current quick charging pile for an electric automobile, which comprises a charging pile body, a protective block arranged on the outer wall of the lower side of the charging pile body, a convex block arranged at the bottom of the charging pile body and of a hollow structure, an air vent arranged on the convex block, and power transmission lines respectively arranged on the outer walls of the two opposite sides of the charging pile body. A charging gun is fixedly installed at one end of the power transmission line, a fixing opening used for containing the charging gun is formed in the charging pile body, and a protection mechanism is arranged on the charging gun. According to the direct-current rapid charging pile for the electric automobile, the protruding block used for fixing the electric wire is arranged in the charging pile body, and the ventilation opening capable of conducting ventilation is formed in the protruding block; during use, the charging gun is pulled away from the fixing opening, the rubber pad arranged on the protective sleeve is located on one side adjacent to the end of the charging gun, the end of the charging gun is protected through the protective sleeve, and the charging gun can be used by pushing, rotating and fixing the protective sleeve during charging.

Description

Technical Field

[0001] The utility model belongs to the technical field of fast charging piles, and in particular relates to a direct current fast charging pile for electric vehicles. Background Art

[0002] The function of a charging pile is similar to that of a gas pump in a gas station. It can be fixed on the ground or on a wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. It can charge various types of electric vehicles according to different voltage levels.

[0003] Charging piles are mostly installed in public places for use by different people, which leads to a high frequency of use of charging piles, thereby increasing the safety requirements for charging piles. However, the charging piles used in the existing technology are mostly traditional, simple fixed installations that can be put into use. The ventilation effect inside the charging piles is not good, and in places with high charging demand, the charging gun is in an unprotected exposed state, which may be accidentally touched, causing certain safety hazards and is not conducive to use.

[0004] To sum up, the above technical problems need to be solved. Utility Model Content

[0005] The utility model aims to provide a DC fast charging pile for electric vehicles to solve the problems of poor ventilation inside the charging pile and possible electric shock caused by the charging gun being in an unprotected state.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a DC fast charging pile for electric vehicles, comprising a charging pile body, a protective block is provided on the outer wall of the lower side of the charging pile body, a protrusion is provided on the bottom of the charging pile body, the protrusion is a hollow structure, and a vent is provided on the protrusion, power transmission lines are respectively provided on the outer walls on opposite sides of the charging pile body, a charging gun is fixedly installed at one end of the power transmission line, a fixing port for placing the charging gun is provided on the charging pile body, and a protective mechanism is provided on the charging gun.

[0007] Preferably, the protective mechanism includes a base and a protective cover, the base is fixedly mounted on the outer wall of the charging gun, a mounting groove is provided on the base, the protective cover is a hollow cylinder, and the protective cover is slidably mounted in the mounting groove.

[0008] Preferably, an extension block is provided on the outer wall of one side of the protective sleeve, an inverted sliding block is provided on the extension block, the extension block is slidably installed in the installation groove, a sliding groove is provided on the inner wall of the installation groove, and the inverted sliding block is slidably installed in the sliding groove.

[0009] Preferably, an opening is provided at one end of the installation groove, the inverted sliding block is slidably installed in the opening, and a stop block is provided on one end of the inverted sliding block, and the stop block is movably connected to the outer wall of one side of the installation groove.

[0010] Preferably, a spring is provided in the installation groove, one end of the spring is fixedly mounted on the inner wall of the installation groove, and the other end of the spring is movably connected to the outer wall of the extension block.

[0011] Preferably, a barrier sheet is provided at one end of the protective sleeve opposite to the extension block, and the barrier sheets are distributed in a circular array at one end of the charging gun.

[0012] Preferably, a handle is fixedly mounted on the outer wall of the base.

[0013] The technical effects and advantages of the utility model are as follows: a protective block is provided on the bottom side of the charging pile body to reduce the erosion of the charging pile body, and a protrusion for fixing the wires is provided inside the charging pile body, and a vent for ventilation is provided on the protrusion; when in use, the charging gun is pulled out of the fixing port, a protective cover is provided on the outside of the charging gun, and the rubber pad provided on the protective cover is located on one side of the adjacent charging gun end. At this time, the protective cover is in a state of popping out of the installation groove, and the charging gun end is protected by the protective cover. When charging, the protective cover can be pushed and rotated to fix it for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the protection mechanism of the utility model.

[0017] In the figure: 1. Charging pile body; 2. Protection block; 3. Bump; 4. Vent; 5. Transmission line; 6. Charging gun; 7. Fixing port; 8. Protection mechanism; 9. Base; 10. Protective cover; 11. Mounting slot; 12. Extension block; 13. Inverted slide block; 14. Slide slot; 15. Opening; 16. Stop block; 17. Spring; 18. Barrier plate; 19. Handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model provides Figure 1-3 The electric vehicle DC fast charging pile shown in the figure comprises a charging pile body 1, a protective block 2 is provided on the outer wall of the lower side of the charging pile body 1, a protrusion 3 is provided at the bottom of the charging pile body 1, the protrusion 3 is a hollow structure, and a vent 4 is provided on the protrusion 3, and power transmission lines 5 are respectively provided on the outer walls of the opposite sides of the charging pile body 1, and a charging gun 6 is fixedly installed at one end of the power transmission line 5, and a fixing port 7 for placing the charging gun 6 is provided on the charging pile body 1, and a protective mechanism 8 is provided on the charging gun 6. The protective mechanism 8 comprises a base 9 and a protective cover 10, the base 9 is fixedly installed on the outer wall of the charging gun 6, the base 9 is provided with a mounting groove 11, the protective cover 10 is a hollow cylinder, and the protective cover 10 is slidably installed in the mounting groove 11. The protective block 2 at the bottom of the charging pile body 1 is used to raise the overall height of the charging pile body 1 to reduce the corrosion of the bottom of the charging pile body 1 during long-term use, and a protrusion 3 for fixing the wire is arranged inside the charging pile body 1, and the protrusion 3 is a hollow structure and is provided with a vent 4, so that it is convenient to evacuate the heat generated by the charging pile body 1 during charging and ensure the normal use of the charging pile body 1. When charging the electric vehicle, the protective cover 10 can be pushed back vertically until the extension block 12 completely slides into the installation groove 11, and then the protective cover 10 is rotated so that the end of the inverted slider 13 relative to the block 16 is in conflict with the inner wall of the slide groove 14 to offset the elastic force from the spring 17. At this time, the spring 17 is in a compressed state, and the spring 17 is movably connected to the extension block 12, so that it is in a state without resistance when the extension block 12 rotates. In this way, the end of the charging gun 6 is exposed and connected to the charging port of the car for charging.

[0020] Specifically, an extension block 12 is provided on the outer wall of one side of the protective cover 10, and an inverted slider 13 is provided on the extension block 12. The extension block 12 is slidably installed in the installation groove 11, and a slide groove 14 is provided on the inner wall of the installation groove 11, and the inverted slider 13 is slidably installed in the slide groove 14. An opening 15 is provided at one end of the installation groove 11, and the inverted slider 13 is slidably installed in the opening 15, and a stopper 16 is provided on one end of the inverted slider 13, and the stopper 16 is movably connected to the outer wall of one side of the installation groove 11. A spring 17 is provided in the installation groove 11, and one end of the spring 17 is fixedly installed on the inner wall of the installation groove 11, and the other end is movably connected to the outer wall of the extension block 12. A barrier sheet 18 is provided at one end of the protective cover 10 opposite to the extension block 12, and the barrier sheets 18 are distributed in a circular array at one end of the charging gun 6. When in use, the charging gun 6 is pulled out of the fixing port 7. In order to avoid accidental touching of the end of the charging gun 6, a protective cover 10 is arranged on the outside of the charging gun 6. The rubber pad 18 arranged on the protective cover 10 is located on one side of the end of the adjacent charging gun 6. At this time, the protective cover 10 is in a state of popping out of the installation groove: the outer wall of one side of the inverted sliding block 13 is in contact with the outer wall of one side of the opening 15 of the slide groove 14, the inverted sliding block 13 slides completely to the outermost side, the abutment block 16 abuts against the inner wall of the slide groove 14, the spring 17 is in a fully extended state, and the abutment block 16 prevents the extension block 12 from continuing to slide away from the installation groove 11. At this time, the end of the charging gun 6 can be protected to avoid accidental touching; when the charging gun 6 is connected to the car charger When the extension block 12 is fully inserted into the mounting groove 11, the protective sleeve 10 can be pushed back vertically until the extension block 12 completely slides into the mounting groove 11, and then the protective sleeve 10 can be rotated so that one end of the inverted sliding block 13 relative to the abutment block 16 contacts the inner wall of the sliding groove 14 to offset the elastic force from the spring 17. At this time, the spring 17 is in a compressed state, and the spring 17 is movably connected to the extension block 12 so that there is no resistance when the extension block 12 rotates. In this way, the end of the charging gun 6 is exposed and connected to the charging port of the car for charging. When the charging is completed and the protective sleeve 10 is retracted, the protective sleeve 10 can be rotated in the opposite direction so that the protective sleeve 10 slides to the end of the charging gun 6, and then the charging gun 6 is put back to the fixing port 7.

[0021] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A DC fast charging station for electric vehicles, characterized in that: The utility model comprises a charging pile body (1), wherein a protective block (2) is arranged on the outer wall of the lower side of the charging pile body (1), a protrusion (3) is arranged at the bottom of the charging pile body (1), the protrusion (3) is a hollow structure, and a vent (4) is arranged on the protrusion (3), power transmission lines (5) are arranged on the outer walls of the opposite sides of the charging pile body (1), a charging gun (6) is fixedly installed at one end of the power transmission line (5), a fixing port (7) for placing the charging gun (6) is arranged on the charging pile body (1), and a protective mechanism (8) is arranged on the charging gun (6).

2. The electric vehicle DC fast charging pile according to claim 1, characterized in that: The protective mechanism (8) comprises a base (9) and a protective sleeve (10); the base (9) is fixedly mounted on the outer wall of the charging gun (6); a mounting groove (11) is provided on the base (9); the protective sleeve (10) is a hollow cylinder; the protective sleeve (10) is slidably mounted in the mounting groove (11).

3. The electric vehicle DC fast charging pile according to claim 2, characterized in that: An extension block (12) is provided on the outer wall of one side of the protective sleeve (10), and an inverted sliding block (13) is provided on the extension block (12). The extension block (12) is slidably installed in the installation groove (11), and a sliding groove (14) is provided on the inner wall of the installation groove (11), and the inverted sliding block (13) is slidably installed in the sliding groove (14).

4. The electric vehicle DC fast charging pile according to claim 3, characterized in that: An opening (15) is provided at one end of the installation groove (11), the inverted sliding block (13) is slidably installed in the opening (15), and a stop block (16) is provided on one end of the inverted sliding block (13), and the stop block (16) is movably connected to the outer wall of one side of the installation groove (11).

5. The electric vehicle DC fast charging pile according to claim 4, characterized in that: A spring (17) is arranged in the installation groove (11), one end of the spring (17) is fixedly mounted on the inner wall of the installation groove (11), and the other end is movably connected to the outer wall of the extension block (12).

6. The electric vehicle DC fast charging pile according to claim 5, characterized in that: A barrier sheet (18) is provided at one end of the protective sleeve (10) opposite to the extension block (12), and the barrier sheets (18) are distributed in a circular array at one end of the charging gun (6).

7. The electric vehicle DC fast charging pile according to claim 2, characterized in that: A handle (19) is fixedly mounted on the outer wall of the base (9).

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