New energy automobile charging plug

By adopting a combined structure of insulated columns and elastic terminals in the charging plug of new energy vehicles, the functions of power-on after insertion and power-off after being unplugged are realized, solving the safety hazards of the charging plug being accidentally touched and shocked, and improving safety .

CN222146762UActive Publication Date: 2024-12-10GUANGDONG GUOCHI NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202420552855.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-21
Publication Date
2024-12-10
Estimated Expiration
2034-03-21

AI Technical Summary

Technical Problem

The charging plug of existing new energy vehicles is powered on before connecting to the vehicle, which poses a safety hazard of accidental electric shock.

Method used

A charging plug for new energy vehicles is designed, using a combined structure of insulated columns and elastic wiring posts. When inserted, the insulated column squeezes the elastic wiring posts to make it come into contact with the electrical connection posts, and when pulled out, the insulated columns resets the wiring posts. The column is separated and powered off, ensuring that the plug is only powered on after being plugged into the vehicle charging port, and powered off when unplugged.

Benefits of technology

It effectively avoids the risk of electric shock caused by accident by charging plugs and improves the safety of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222146762U_ABST
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Abstract

The utility model discloses a new energy automobile charging plug, and relates to the new energy automobile charging plug field, and the new energy automobile charging plug comprises an insertion part, a hand-held part, a connecting seat and a cable, the insertion part is fixedly arranged at the left end of the connecting seat, the hand-held part is fixedly arranged at the right end of the connecting seat, and the connecting seat is internally provided with a cavity; two transversely arranged elastic binding posts are fixedly arranged on the right inner side wall of the cavity, the two elastic binding posts are symmetrically distributed up and down, a cable is fixedly inserted into the handheld part and electrically connected with the two elastic binding posts, and two first round holes communicated with the cavity are formed in the side face of the insertion part; power connection columns are arranged in the two first round holes in a sliding mode, and the right ends of the two power connection columns extend into the cavity and are located on the two opposite sides of the two elastic binding posts respectively. According to the utility model, the two power connection columns of the charging plug can be powered on after being inserted into the automobile charging port and powered off when being pulled out, so that people are prevented from being hurt when being touched by mistake, and the safety is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of new energy vehicle charging plugs, in particular to a new energy vehicle charging plug. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc.

[0003] At present, with the development of society, the number of new energy electric vehicles is increasing and their use is becoming more and more widespread. When new energy electric vehicles are in use, they need to be charged using charging piles and charging plugs. In the prior art, the charging plug of the charging pile is also energized before being connected to the new energy electric vehicle, which is easy to be accidentally touched and cause harm to people, posing a safety hazard. Therefore, a new energy vehicle charging plug is proposed. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a new energy vehicle charging plug, which effectively solves the problem that the charging plug of the current charging pile is also powered before being connected to the new energy electric vehicle, which is easy to be accidentally touched and cause harm to people, posing a safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy vehicle charging plug, comprising an insertion part, a hand-held part, a connecting seat and a cable, wherein the insertion part is fixedly arranged at the left end of the connecting seat, the hand-held part is fixedly arranged at the right end of the connecting seat, a cavity is provided inside the connecting seat, and two elastic terminals are fixedly arranged laterally on the right inner wall of the cavity, and the two elastic terminals are symmetrically distributed up and down, the cable is fixedly inserted into the inside of the hand-held part and electrically connected to the two elastic terminals, and two first circular holes communicating with the cavity are provided on the side of the insertion part, and both of the first circular holes are slidable A power connection post is dynamically arranged, and the right ends of the two power connection posts extend into the interior of the cavity and are respectively located on opposite sides of the two elastic terminals. Two groups of first elastic mechanisms are arranged inside the cavity, and the two groups of first elastic mechanisms are respectively connected with two power connection posts. A second circular hole connected to the cavity is opened in the middle part of the left side of the insertion part, and an insulating column is slidably arranged in the second circular hole. The right end of the insulating column extends into the interior of the cavity and is located between the two elastic terminals, and the insulating column can squeeze the two elastic terminals. A second elastic mechanism is arranged inside the cavity, and the second elastic mechanism is connected to the insulating column.

[0006] Preferably, the two groups of the first elastic mechanisms include two first round rods and two first springs, the right ends of the two power poles are provided with a first round groove, the two first round rods are respectively slidably arranged in the two first round grooves, the right ends of the two first round rods are fixedly connected to the right side wall of the cavity, the two first springs are respectively fixedly connected to the right end of the power pole, and the two first springs are respectively movably sleeved with the two first round rods.

[0007] Preferably, a first limiting plate is slidably arranged in the first circular groove, and the first limiting plate is fixedly connected to the left end of the first circular rod.

[0008] Preferably, the second elastic mechanism includes a second round rod and a second spring, a second round groove is opened at the right end of the insulating cylinder, the second round rod is laterally slidably arranged in the second round groove, and the right end of the second round rod is fixedly connected to the right side of the cavity, the second spring is fixedly connected to the right end of the insulating cylinder, and the second spring is movably sleeved on the second round rod.

[0009] Preferably, a second limiting plate is slidably arranged in the second circular groove, and the second limiting plate is fixedly connected to the left end of the second round rod.

[0010] Preferably, a flexible waterproof sleeve is fixedly sleeved on the outer side wall of the connecting seat, and an annular gasket is fixedly provided on the left end of the flexible waterproof sleeve.

[0011] Technical effects and advantages of the utility model:

[0012] 1. When the charging plug is needed for charging, the insertion part of the charging plug is inserted into the charging port of the new energy battery. The insulating column will slide toward the inside of the cavity under the pressure of the corresponding rod, and at the same time, it will squeeze the two elastic terminals, causing the two elastic terminals to bend in the opposite direction, so that the two elastic terminals are in close contact with the two power connection posts respectively, so that the two power connection posts are energized, thereby realizing charging and energy supply. When the insertion part of the charging plug is pulled out of the charging port, the insulating column slides to the left and resets under the action of the second spring. The two elastic terminals lose the squeezing force and will restore their deformation, and separate from the two power connection posts respectively, so that the two power connection posts are powered off. Through the above device, the two power connection posts of the charging plug can be powered on only after being inserted into the charging port of the car, and the power is turned off when they are pulled out, so as to avoid people from being injured when accidentally touched, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1It is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the connection structure between the power pole and the first round rod of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the insulating column and the second round rod of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the flexible waterproof cover of the utility model.

[0018] In the figure: 1. Insertion part; 2. Hand-held part; 3. Connecting seat; 4. Cable; 5. Elastic terminal; 6. Power terminal; 7. Insulating cylinder; 8. First round rod; 9. First spring; 10. First limit plate; 11. Second round rod; 12. Second spring; 13. Second limit plate; 14. Flexible waterproof cover; 15. Ring gasket. DETAILED DESCRIPTION

[0019] The utility model provides Figure 1-4 A new energy vehicle charging plug shown in the figure includes an insertion part 1, a handheld part 2, a connection seat 3 and a cable 4. The insertion part 1 is fixedly arranged at the left end of the connection seat 3, the handheld part 2 is fixedly arranged at the right end of the connection seat 3, and a cavity is opened inside the connection seat 3. Two elastic terminals 5 are fixedly arranged on the right inner wall of the cavity, and the two elastic terminals 5 are symmetrically distributed up and down. The cable 4 is fixedly inserted into the inside of the handheld part 2 and is electrically connected to the two elastic terminals 5. Two first circular holes communicating with the cavity are opened on the side of the insertion part 1, and the two first circular holes are slidably provided with power connection posts 6 The right ends of the two power connection posts 6 extend into the interior of the cavity and are respectively located on the opposite sides of the two elastic terminals 5. Two groups of first elastic mechanisms are arranged inside the cavity, and the two groups of first elastic mechanisms are respectively connected with two power connection posts 6. A second circular hole communicating with the cavity is opened in the middle of the left side of the insertion portion 1, and an insulating cylinder 7 is slidably arranged in the second circular hole. The right end of the insulating cylinder 7 extends into the interior of the cavity and is located between the two elastic terminals 5, and the insulating cylinder 7 can squeeze the two elastic terminals 5. A second elastic mechanism is arranged inside the cavity, and the second elastic mechanism is connected to the insulating cylinder 7.

[0020] like Figure 1As shown, the two groups of first elastic mechanisms include two first round rods 8 and two first springs 9, the right ends of the two power poles 6 are each provided with a first round groove, the two first round rods 8 are respectively slidably arranged in the two first round grooves, the right ends of the two first round rods 8 are respectively fixedly connected to the right side wall of the cavity, the two first springs 9 are respectively fixedly arranged at the right ends of the power poles 6, and the two first springs 9 are respectively movably sleeved with the two first round rods 8. When the insertion part 1 is inserted into the charging port, the two power poles 6 will slide into the inside of the cavity under the pressure of the charging rod member, and the two first springs 9 will respectively apply elasticity to the two power poles 6, so that the two power poles 6 are respectively tightly connected to the charging rod member in the charging port.

[0021] like Figure 2 As shown, a first limiting plate 10 is slidably arranged in the first circular groove, and the first limiting plate 10 is fixedly connected to the left end of the first round rod 8 to prevent the power pole 6 from being separated from the first round rod 8.

[0022] like Figure 3 As shown, the second elastic mechanism includes a second round rod 11 and a second spring 12, a second round groove is opened at the right end of the insulating cylinder 7, the second round rod 11 is horizontally slidably arranged in the second round groove, and the right end of the second round rod 11 is fixedly connected to the right side of the cavity, the second spring 12 is fixedly connected to the right end of the insulating cylinder 7, and the second spring 12 is movably sleeved with the second round rod 11.

[0023] like Figure 3 As shown, a second limiting plate 13 is slidably provided in the second circular groove, and the second limiting plate 13 is fixedly connected to the left end of the second round rod 11 to prevent the insulating cylinder 7 from being separated from the second round rod 11.

[0024] like Figure 1 and Figure 4 As shown, the outer wall of the connecting seat 3 is fixedly sleeved with a flexible waterproof sleeve 14, and the left end of the flexible waterproof sleeve 14 is fixedly provided with an annular gasket 15. When the insertion part 1 of the charging plug is inserted into the charging port, the annular gasket 15 will be in close contact with the outer side of the car charging port, which can prevent rainwater from entering and improve safety.

[0025] The working principle of the utility model is as follows: when it is necessary to use a charging plug for charging, the insertion part 1 of the charging plug is inserted into the charging port of the new energy battery, and the insulating column 7 will slide toward the inside of the cavity under the pressure of the corresponding rod, and at the same time, it will squeeze the two elastic terminals 5, so that the two elastic terminals 5 are bent in the opposite direction, so that the two elastic terminals 5 are in close contact with the two power connection posts 6 respectively, so that the two power connection posts 6 are energized, thereby realizing charging and energy supply, and when the insertion part 1 of the charging plug is pulled out from the charging port, the insulating column 7 slides to the left and resets under the action of the second spring 12, and the two elastic terminals 5 lose the squeezing force and will restore their deformation, and separate from the two power connection posts 6 respectively, so that the two power connection posts 6 are powered off, and through the upper device, the two power connection posts 6 of the charging plug can be powered on only after being inserted into the charging port of the car, and the power is cut off when they are pulled out, so as to avoid people from being injured when accidentally touched, thereby improving safety.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle charging plug, characterized in that: The invention comprises an insertion portion (1), a hand-held portion (2), a connection seat (3) and a cable (4), wherein the insertion portion (1) is fixedly arranged at the left end of the connection seat (3), the hand-held portion (2) is fixedly arranged at the right end of the connection seat (3), a cavity is provided inside the connection seat (3), two elastic terminals (5) are fixedly provided on the right inner wall of the cavity and are laterally provided, the two elastic terminals (5) are symmetrically distributed up and down, the cable (4) is fixedly inserted into the hand-held portion (2) and is electrically connected to the two elastic terminals (5), two first circular holes communicating with the cavity are provided on the side surface of the insertion portion (1), and electrical terminals (6) are slidably provided in the two first circular holes, The right ends of the two power connection posts (6) extend into the interior of the cavity and are respectively located on opposite sides of the two elastic terminals (5); two groups of first elastic mechanisms are arranged inside the cavity, and the two groups of first elastic mechanisms are respectively connected to the two power connection posts (6); a second circular hole connected to the cavity is opened in the middle of the left side of the insertion portion (1); an insulating column (7) is slidably arranged in the second circular hole; the right end of the insulating column (7) extends into the interior of the cavity and is located between the two elastic terminals (5); the insulating column (7) can squeeze the two elastic terminals (5); a second elastic mechanism is arranged inside the cavity, and the second elastic mechanism is connected to the insulating column (7).

2. A new energy vehicle charging plug according to claim 1, characterized in that: The two groups of the first elastic mechanisms include two first round rods (8) and two first springs (9). The right ends of the two power poles (6) are each provided with a first round groove. The two first round rods (8) are respectively arranged in the two first round grooves for transverse sliding. The right ends of the two first round rods (8) are respectively fixedly connected to the right side wall of the cavity. The two first springs (9) are respectively fixedly connected to the right end of the power pole (6). The two first springs (9) are respectively movably sleeved with the two first round rods (8).

3. A new energy vehicle charging plug according to claim 2, characterized in that: A first limiting plate (10) is slidably disposed in the first circular groove, and the first limiting plate (10) is fixedly connected to the left end of the first circular rod (8).

4. A new energy vehicle charging plug according to claim 3, characterized in that: The second elastic mechanism comprises a second round rod (11) and a second spring (12); a second round groove is formed at the right end of the insulating column (7); the second round rod (11) is arranged in the second round groove for transverse sliding; the right end of the second round rod (11) is fixedly connected to the right side of the cavity; the second spring (12) is fixedly connected to the right end of the insulating column (7); and the second spring (12) and the second round rod (11) are movably sleeved.

5. A new energy vehicle charging plug according to claim 4, characterized in that: A second limiting plate (13) is slidably arranged in the second circular groove, and the second limiting plate (13) is fixedly connected to the left end of the second circular rod (11).

6. A new energy vehicle charging plug according to claim 5, characterized in that: A flexible waterproof sleeve (14) is fixedly sleeved on the outer side wall of the connection seat (3), and an annular gasket (15) is fixedly provided on the left end of the flexible waterproof sleeve (14).