Anti-loosening connector for electric automobile

By using a combination structure such as metal pins, fixed shaft, rotating rod and return spring in the electric vehicle connector, the problem of easy loosening of the connector when charging an electric vehicle is solved, and the stability and continuity of the charging process are achieved.

CN222282399UActive Publication Date: 2024-12-31DONGGUAN SENLIAN PRECISION ELECTRONICS CO LTD
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Patent Information

Application Number
CN202323170495.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2023-03-23
Filing Date
2023-11-23
Publication Date
2024-12-31
Estimated Expiration
2033-11-23

AI Technical Summary

Technical Problem

When electric cars are charged outdoors, the connectors are prone to loosening, resulting in termination of charging and insufficient power.

Method used

An anti-loosening connector for electric vehicles is designed, using a combined structure of metal pins, fixed shaft, rotating rod, handheld control buckle, return spring and limit block. The rotating rod is reserved through the operation of handheld control buckle. The groove and U-shaped groove move, the return spring restores shape, the rotating rod rotates around the fixed shaft, and the limit block is inserted into the limit slot of the socket to ensure the connector is stable and fixed.

Benefits of technology

Even if the connecting cable is pulled, the connector will not fall off, charging will be more stable, preventing loosening, and ensuring the continuity of the charging process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222282399U_ABST
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Abstract

The utility model discloses an anti-loosening connector for an electric automobile, which comprises a connector body, a metal pin is arranged at the front end of the outer surface of the connector body, a connecting wire is arranged at the rear end of the outer surface of the connector body, a fixed shaft rod is adhered to the middle of the front end of the connector body, and a rotating rod is wrapped on the outer side of the fixed shaft rod. According to the anti-loosening connector for the electric automobile, a metal pin at the front end of a handheld connector body is inserted into a slot in one side of a socket, then a handheld control buckle is released, at the moment, a reset spring restores the shape under the action of elastic force, a rotating rod rotates outwards around a fixed shaft rod in different directions, and at the moment, the rotating rod rotates along a second reserved groove in the socket; and when the connecting line is pulled, the limiting block is clamped in the limiting groove of the socket until the limiting block on one side of the rotating rod is inserted into the limiting groove of the socket, and the connector body does not fall off from one side of the socket and is very stable even if the connecting line is pulled, so that an anti-loosening effect is achieved when the electric vehicle is charged, and the charging is more stable.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle connectors, in particular to an anti-loosening connector for electric vehicles. Background Art

[0002] A car is a machine that is powered by oil. Nowadays, a new type of car has emerged, the electric car, which uses electricity as a driving force and only needs to be charged each time it is used.

[0003] When charging electric vehicles, most of them are charged outdoors, and the connectors used are mostly directly connected to the sockets. The outdoor environment is complex and pedestrians and others are prone to touch the connectors. If the connectors are loose, charging may be terminated. Insufficient power may affect the use of electric vehicles.

[0004] Therefore, it is urgent to propose an improved solution to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an anti-loosening connector for electric vehicles to solve the problem in the above-mentioned background technology that electric vehicles are mostly charged outdoors and the connectors used are mostly directly connected to the sockets. The outdoor environment is complex and pedestrians are prone to touch the connectors. If the connector is loose, charging is easily terminated and insufficient power can easily affect the use of the electric vehicle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening connector for electric vehicles, comprising a connector body, a metal pin is arranged at the front end of the outer surface of the connector body, a connecting line is arranged at the rear end of the outer surface of the connector body, a fixed shaft rod is bonded to the middle part of the front end of the connector body, a rotating rod is arranged on the outer side of the fixed shaft rod, a first reserved groove is provided inside the connector body, the rotating rod is arranged in the first reserved groove inside the connector body, a hand-held control buckle is bonded to one side of the outer surface of the rotating rod, a U-shaped groove is provided at the upper end of the outer surface of the connector body, a limiting block is bonded to the other side of the outer surface of the rotating rod, two rotating rods are provided, and a reset spring is bonded between the two rotating rods;

[0007] A socket is provided on one side of the outer surface of the connector body, a slot is provided on one side of the inner surface of the socket, a slot is provided on one side of the inner surface of the socket corresponding to the contact with the slot, a second reserved slot is provided in the middle of the inner surface of the socket, and limiting slots are provided on both sides of the inner surface of the socket.

[0008] Preferably, the fixed shaft rod passes through the two rotating rods, and the two rotating rods can rotate around the fixed shaft rod.

[0009] Preferably, the rotating rod can move in the connector body through the first reserved groove, and the fixed shaft rod longitudinally penetrates the first reserved groove in the connector body.

[0010] Preferably, one side of the rotating rod passes through the U-shaped groove opened at the upper end of the connector body, and the cross-sectional width of the hand-held control buckle is larger than the width of the U-shaped groove opened at the upper end of the connector body, and the lower end of the outer surface of the hand-held control buckle contacts the upper end of the outer surface of the connector body.

[0011] Preferably, two sides of the return spring are respectively bonded to one side of the outer surface of the two rotating rods, and the return spring is arranged in the first reserved groove.

[0012] Preferably, the connecting wire runs through the interior of the connector body, and the metal pin is fixedly connected to the connector body.

[0013] Preferably, two slots are provided on one side of the inner surface of the socket, and the metal pins form a snap-fit ​​structure with the socket through the slots.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] Hold the hand-held control buckle and rotate the two hand-held control buckles inward in different directions. At this time, the rotating rod moves in the first reserved groove and the U-shaped groove in the connector body, and the reset spring is compressed. Then, the metal pin at the front end of the connector body is held and inserted into the slot on one side of the socket. Then release the hand-held control buckle. At this time, the reset spring restores its shape under the action of elastic force, and the rotating rod rotates outward in different directions around the fixed shaft rod. At this time, the rotating rod rotates along the second reserved groove in the socket until the limit block on one side of the rotating rod is inserted into the limit groove of the socket. At this time, even if the connecting line is pulled, the limit block is stuck in the limit groove of the socket, and the connector body will not fall off from one side of the socket. It is very stable, which plays a role in preventing loosening when charging the electric vehicle, and the charging is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model from top view.

[0017] Figure 2 This is a schematic diagram of the structure of the utility model after the metal plug is inserted into the socket.

[0018] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] Figure 4 This is a schematic diagram of the socket structure of the utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the connector body of the utility model.

[0021] In the figure: 1. Connector body; 2. Metal pin; 3. Fixed shaft; 4. Rotating rod; 5. First reserved slot; 6. Hand-held control buckle; 7. Limit block; 8. Reset spring; 9. Connecting wire; 10. Socket; 11. Slot; 12. Second reserved slot; 13. Limit slot; 14. U-shaped slot. Implementation

[0022] 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.

[0023] See also Figure 1-Figure 5The utility model provides a technical solution: an anti-loosening connector for an electric vehicle, comprising a connector body 1, a metal pin 2 is arranged at the front end of the outer surface of the connector body 1, a connecting line 9 is arranged at the rear end of the outer surface of the connector body 1, a fixed shaft rod 3 is bonded to the middle of the front end of the connector body 1, a rotating rod 4 is wrapped around the outer side of the fixed shaft rod 3, a first reserved groove 5 is opened inside the connector body 1, the rotating rod 4 is arranged in the first reserved groove 5 inside the connector body 1, a handheld control buckle 6 is bonded to one side of the outer surface of the rotating rod 4, and a U-shaped groove 1 is opened at the upper end of the outer surface of the connector body 1 4, a limiting block 7 is bonded to the other side of the outer surface of the rotating rod 4, two rotating rods 4 are provided, a reset spring 8 is bonded between the two rotating rods 4, the fixed shaft rod 3 passes through the inside of the two rotating rods 4, and the two rotating rods 4 can rotate around the fixed shaft rod 3, the rotating rod 4 can move in the connector body 1 through the first reserved groove 5, and the fixed shaft rod 3 longitudinally passes through the first reserved groove 5 in the connector body 1, one side of the rotating rod 4 passes through the U-shaped groove 14 opened at the upper end of the connector body 1, and the cross-sectional width of the hand-held control buckle 6 is greater than the width of the U-shaped groove 14 opened at the upper end of the connector body 1, and the hand-held control The lower end of the outer surface of the buckle 6 contacts the upper end of the outer surface of the connector body 1, and the two sides of the reset spring 8 are respectively bonded to one side of the outer surface of the two rotating rods 4, and the reset spring 8 is arranged in the first reserved groove 5, and the connecting line 9 runs through the inside of the connector body 1. The metal pin 2 is fixedly connected to the connector body 1. The hand-held control buckle 6 is held and the two hand-held control buckles 6 are rotated inward in different directions. At this time, the rotating rod 4 moves in the first reserved groove 5 and the U-shaped groove 14 in the connector body 1, and the reset spring 8 is compressed at the same time. Then the metal pin 2 at the front end of the hand-held connector body 1 is inserted. The connector body 1 is inserted into the slot 11 on one side of the socket 10, and then the hand-held control buckle 6 is released. At this time, the reset spring 8 recovers its shape under the action of elastic force, and the rotating rod 4 rotates outwards in different directions around the fixed shaft rod 3. At this time, the rotating rod 4 rotates along the second reserved groove 12 in the socket 10 until the limit block 7 on one side of the rotating rod 4 is inserted into the limit groove 13 of the socket 10. At this time, even if the connecting line 9 is pulled, the limit block 7 is stuck in the limit groove 13 of the socket 10, and the connector body 1 will not fall from one side of the socket 10. It is very stable, which plays a role of preventing loosening when the electric vehicle is charged, and the charging is more stable;

[0024] A socket 10 is provided on one side of the outer surface of the connector body 1, a slot 11 is provided on one side of the inner surface of the socket 10, a slot 11 is provided on one side of the inner surface of the socket 10 corresponding to the contact with the slot 11, a second reserved groove 12 is provided in the middle of the inner surface of the socket 10, limiting grooves 13 are provided on both sides of the inner surface of the socket 10, two slots 11 are provided on one side of the inner surface of the socket 10, and the metal pin 2 forms a snap-fit ​​structure with the socket 10 through the slot 11.

[0025] Working principle: For this anti-loosening connector for electric vehicles, first hold the hand-held control buckle 6 and rotate the two hand-held control buckles 6 inward in different directions. At this time, the rotating rod 4 moves in the first reserved groove 5 and the U-shaped groove 14 in the connector body 1, and the reset spring 8 is compressed. Then, the metal pin 2 at the front end of the hand-held connector body 1 is inserted into the slot 11 on one side of the socket 10, and then the hand-held control buckle 6 is released. At this time, the reset spring 8 restores its shape under the action of elastic force, and the rotating rod 4 rotates outward in different directions around the fixed shaft rod 3. At this time, the rotating rod 4 rotates along the second reserved groove 12 in the socket 10 until the limit block 7 on one side of the rotating rod 4 is inserted into the limit groove 13 of the socket 10. At this time, even if the connecting line 9 is pulled, the limit block 7 is stuck in the limit groove 13 of the socket 10, and the connector body 1 will not fall from one side of the socket 10. It is very stable, which plays a role in preventing loosening when the electric vehicle is charged, and the charging is more stable. In this way, the use process of the entire anti-loosening connector for electric vehicles is completed.

[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. An anti-loosening connector for an electric vehicle, comprising a connector body (1), characterized in that: The front end of the outer surface of the connector body (1) is provided with a metal pin (2), the rear end of the outer surface of the connector body (1) is provided with a connecting line (9), the middle part of the front end of the connector body (1) is bonded with a fixed shaft rod (3), the outer side of the fixed shaft rod (3) is wrapped with a rotating rod (4), the inside of the connector body (1) is provided with a first reserved groove (5), the rotating rod (4) is arranged in the first reserved groove (5) inside the connector body (1), one side of the outer surface of the rotating rod (4) is bonded with a handheld control buckle (6), the upper end of the outer surface of the connector body (1) is provided with a U-shaped groove (14), the other side of the outer surface of the rotating rod (4) is bonded with a limiting block (7), two rotating rods (4) are provided, and a return spring (8) is bonded between the two rotating rods (4); A socket (10) is provided on one side of the outer surface of the connector body (1), a slot (11) is provided on one side of the inner surface of the socket (10), a slot (11) is provided on one side of the inner surface of the socket (10) corresponding to the contact position with the slot (11), a second reserved slot (12) is provided in the middle of the inner surface of the socket (10), and limiting slots (13) are provided on both sides of the inner surface of the socket (10).

2. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: The fixed shaft rod (3) passes through the interior of the two rotating rods (4), and the two rotating rods (4) can rotate around the fixed shaft rod (3).

3. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: The rotating rod (4) is movable in the connector body (1) through the first reserved groove (5), and the fixed shaft rod (3) longitudinally penetrates the first reserved groove (5) in the connector body (1).

4. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: One side of the rotating rod (4) passes through a U-shaped groove (14) opened at the upper end of the connector body (1), and the cross-sectional width of the hand-held control buckle (6) is greater than the width of the U-shaped groove (14) opened at the upper end of the connector body (1), and the lower end of the outer surface of the hand-held control buckle (6) contacts the upper end of the outer surface of the connector body (1).

5. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: Both sides of the return spring (8) are respectively bonded to one side of the outer surface of the two rotating rods (4), and the return spring (8) is arranged in the first reserved groove (5).

6. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: The connecting wire (9) passes through the interior of the connector body (1), and the metal pin (2) is fixedly connected to the connector body (1).

7. The anti-loosening connector for electric vehicles according to claim 1, characterized in that: Two slots (11) are provided on one side of the inner surface of the socket (10), and the metal pins (2) form a snap-fit ​​structure with the socket (10) through the slots (11).