A charging plug and connector

Abstract

The utility model relates to vehicle charging plug technical field especially, it relates to a kind of charging plug and connector, charging plug includes shell, rubber core and plug terminal, the installation cavity is equipped in the shell, the rubber core is installed in the installation cavity, the first chamber and second chamber are equipped in the rubber core, the plug terminal includes wiring part and conducting part, the wiring part is located in the first chamber, the wiring part is adapted to be connected by cable electricity charging pile, the conducting part is located in the second chamber, the conducting part is equipped with the connecting hole suitable for the socket terminal electricity connection of the socket inserted in the second chamber, first limiting structure is equipped on the plug terminal, second limiting structure is equipped on the rubber core, the first limiting structure is cooperated with the second limiting structure, to limit the displacement of the conducting part in the second chamber. Avoid the plug terminal to sway in rubber core.

Description

Technical Field

[0001] This utility model relates to the field of vehicle charging plug technology, and in particular to a charging plug and connector. Background Technology

[0002] The charging device for new energy vehicles includes a charging socket installed on the vehicle body and a charging pile installed in the outside. The charging pile is equipped with a charging plug, and the new energy vehicle is charged by plugging the charging plug into the charging socket.

[0003] An existing charging plug includes a housing, plug terminals, a rubber core, and a cover. The housing has an installation cavity and a plug hole communicating with the installation cavity. The plug hole allows a socket to be inserted. The cover is installed in the installation cavity, the rubber core is installed in the cover, and the plug terminals are located in the rubber core to install the plug terminals inside the housing. One end of the plug terminals extends into the plug hole for connection with the socket terminals of the charging socket, and the other end of the plug terminals is connected to the battery module of the charging pile via a cable to charge the vehicle through the plug and the charging socket.

[0004] However, existing charging plugs have terminals that are prone to wobbling. Summary of the Invention

[0005] This utility model provides a charging plug and connector, which aims to solve the problem that the plug terminals of existing charging plugs are prone to shaking.

[0006] To address the aforementioned problems, this utility model provides a charging plug, comprising a housing, a core, and plug terminals. The housing has an installation cavity, the core is installed in the installation cavity, and the core has a first chamber and a second chamber. The plug terminal includes a wiring portion and a conductive portion. The wiring portion is located in the first cavity and is adapted to be electrically connected to the charging pile via a cable. The conductive portion is located in the second cavity and is provided with a connection hole adapted to be electrically connected to the socket terminal of the charging socket inserted into the second cavity. The plug terminal is provided with a first limiting structure, and the rubber core is provided with a second limiting structure. The first limiting structure and the second limiting structure cooperate to limit the displacement of the conductive part in the second cavity.

[0007] Optionally, the conductive portion has a first side surface and a second side surface opposite to each other along a first direction, and a third side surface and a fourth side surface opposite to each other along a second direction, wherein the second direction is perpendicular to the first direction; The second chamber has a mounting groove on the inner wall of the side facing the second side. The part of the conductive part near the second side is inserted into the mounting groove. The second side is in contact with the inner wall of the mounting groove facing the conductive part. The third side is in contact with the inner wall of the mounting groove facing the third side.

[0008] Optionally, a support platform is provided in the second chamber, and a limiting plate is provided on the inner wall of the second chamber facing the conductive part. The support platform and the limiting plate are spaced apart along the second direction, and the conductive part is located between the support platform and the limiting plate. The fourth side contacts the support platform, the third side contacts the limiting plate, and the limiting plate, the support platform, and the inner wall of the second chamber facing the second side form the mounting groove.

[0009] Optionally, the first limiting structure includes a slot disposed on the conductive part, and the second limiting structure includes a block disposed on the inner wall of the second chamber, the block engaging with the slot.

[0010] Optionally, the slot is disposed on the first side, and the block is disposed on the inner wall of the second chamber facing the first side. The conductive part has a fifth side surface and a sixth side surface opposite each other in a third direction. The fifth side surface is connected to the wiring part, and the sixth side surface blocks the side of the conductive part opposite to the wiring part.

[0011] Optionally, the card block has a first clearance slope on one side facing the conductive part, and the distance between the end of the first clearance slope near the wiring part and the second side is greater than the distance between the end of the first clearance slope away from the wiring part and the second side.

[0012] Optionally, the outer shell is provided with a first through hole and a first insertion hole communicating with the mounting cavity, and the core is provided with a second through hole communicating with the first chamber and a second insertion hole communicating with the second chamber. The first insertion hole and the second insertion hole are spaced apart along the second direction. A positioning boss is provided on the side of the core facing the first insertion hole, and the second insertion hole is disposed on the positioning boss.

[0013] Optionally, the core is provided with a clearance hole communicating with the second chamber, and the clearance hole and the second insertion hole are arranged opposite to each other along the second direction.

[0014] Optionally, the adhesive core is fixed to the mounting cavity.

[0015] According to the charging plug provided in this embodiment of the present invention, the first limiting structure on the plug terminal cooperates with the second limiting structure on the rubber core to limit the displacement of the conductive part in the second cavity, prevent the plug terminal from shaking in the rubber core, and improve the stability of the plug terminal.

[0016] This utility model embodiment also provides a connector, including the charging plug described above. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a charging plug provided in an embodiment of the present invention; Figure 2 for Figure 1 Another perspective; Figure 3 for Figure 2 Assembly diagram of the core, cable and plug terminals; Figure 4 for Figure 3 Schematic diagram of the middle rubber core; Figure 5 for Figure 4 Another perspective; Figure 6 for Figure 3 Assembly diagram of the plug terminal and cable; Figure 7 for Figure 2 A schematic diagram of the inner shell structure.

[0019] Instruction manual drawing reference numerals: 1. Outer shell; 2. Top cover; 3. Cable; 4. First through hole; 5. Glue core; 6. Plug terminal; 7. First chamber; 8. Second chamber; 9. Locking block; 10. First clearance ramp; 11. Support platform; 12. Clearance hole; 13. Elastic arm; 14. Stop block; 15. Second through hole; 16. Limiting plate; 17. Positioning boss; 18. Second insertion hole; 19. Wiring part; 20. Conductive part; 21. First side; 22. Third side; 23. Sixth side; 24. Slot; 25. First mounting part; 26. Second mounting part; 27. First inner cavity; 28. Second inner cavity; 29. ​​Stopping step; 30. Opening; 31. First insertion hole. Detailed Implementation

[0020] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] like Figures 1 to 7 As shown, this utility model embodiment provides a charging plug, including a housing 1, a core 5 and a plug terminal 6. The housing 1 has an installation cavity, the core 5 is installed in the installation cavity, and the core 5 has a first chamber 7 and a second chamber 8.

[0023] The plug terminal 6 includes a wiring portion 19 and a conductive portion 20. The wiring portion 19 is located in the first chamber 7 and is adapted to be electrically connected to the charging pile via a cable 3. The conductive portion 20 is located in the second chamber 8 and is provided with a connection hole adapted to be electrically connected to the socket terminal of the charging socket inserted into the second chamber 8.

[0024] The plug terminal 6 is provided with a first limiting structure, and the core 5 is provided with a second limiting structure. The first limiting structure and the second limiting structure cooperate to limit the displacement of the conductive part 20 in the second chamber 8.

[0025] In this embodiment, the first limiting structure on the plug terminal 6 cooperates with the second limiting structure on the core 5 to limit the displacement of the conductive part 20 in the second chamber 8, prevent the plug terminal 6 from shaking in the core 5, and improve the stability of the plug terminal 6.

[0026] In this embodiment, the plug terminal 6 is plate-shaped, the wiring part 19 is welded to the cable 3, the cable 3 is exposed outside the housing 1, one end of the cable 3 extending out of the housing 1 is connected to the charging pile, and the connection hole on the conductive part 20 is used to connect with the plug terminal 6 of the charging socket inserted into the second chamber 8 by screws.

[0027] In one embodiment, the conductive portion 20 has a first side surface 21 and a second side surface opposite each other along a first direction, and a third side surface 22 and a fourth side surface opposite each other along a second direction, the second direction being perpendicular to the first direction.

[0028] The second chamber 8 has an installation groove on the inner wall of the side facing the second side. The part of the conductive part 20 near the second side is inserted into the installation groove. The second side contacts the inner wall of the groove facing the conductive part 20, and the third side 22 contacts the inner wall of the groove facing the third side 22.

[0029] In this embodiment, the first direction is the vertical direction of the outer shell 1, the second direction is the front-back direction of the outer shell 1, and the third direction is the left-right direction of the outer shell 1.

[0030] In this embodiment, the second side is in contact with the inner wall of the second chamber 8 facing the first side 21.

[0031] In this embodiment, the inner wall of the second chamber 8 facing the first side 21 is provided with an installation groove, and the conductive part 20 is inserted into the installation groove.

[0032] In this embodiment, the mounting groove can limit the conductive part 20 in the vertical direction.

[0033] In one embodiment, a support platform 11 is provided in the second chamber 8, and a limiting plate 16 is provided on the inner wall of the second chamber 8 facing the conductive part 20. The support platform 11 and the limiting plate 16 are spaced apart along the second direction, and the conductive part 20 is located between the support platform 11 and the limiting plate 16.

[0034] The fourth side contacts the support platform 11, and the third side 22 contacts the limiting plate 16. The limiting plate 16, the support platform 11, and the inner wall of the second chamber 8 facing the second side form an installation groove.

[0035] In this embodiment, the support platform 11 is formed on the inner wall of the second chamber 8 facing the fourth side.

[0036] In this embodiment, the limiting plate 16, the support platform 11, and the inner wall of the second chamber 8 facing the second side form an installation groove, which facilitates design and manufacturing.

[0037] In one embodiment, the first limiting structure includes a slot 24 disposed on the conductive part 20, and the second limiting structure includes a block 9 disposed on the inner wall of the second chamber 8, the block 9 engaging with the slot 24.

[0038] In this embodiment, the card block 9 and the card slot 24 engage in a simple and easy-to-design structure.

[0039] In one embodiment, the slot 24 is disposed on the first side 21, and the block 9 is disposed on the inner wall of the second chamber 8 facing the first side 21.

[0040] The conductive part 20 has a fifth side surface and a sixth side surface 23 opposite to each other in a third direction. The fifth side surface is connected to the wiring part 19, and the sixth side surface 23 blocks the side of the conductive part 20 that is opposite to the wiring part 19.

[0041] In this embodiment, the inner wall of the slot 24 facing the wiring portion 19 is blocked by the side of the card block 9 facing away from the wiring portion 19, and the sixth side 23 is blocked by the side of the conductive portion 20 facing away from the wiring portion 19, thereby limiting the conductive portion 20 in the third direction and preventing the plug terminal 6 from shaking in the third direction.

[0042] In one embodiment, the side of the card block 9 facing the conductive part 20 is provided with a first clearance slope 10, and the distance between the end of the first clearance slope 10 near the wiring part 19 and the second side is greater than the distance between the end of the first clearance slope 10 away from the wiring part 19 and the second side.

[0043] In this embodiment, the core 5 is made of plastic and can deform under external force.

[0044] In this embodiment, during installation, the conductive part 20 of the plug terminal 6 is inserted into the second chamber 8 from right to left. The left end of the plug terminal 6 will first contact the first relief slope 10. As the plug terminal 6 continues to be pushed, the plug terminal 6 will force the core 5 to deform so that the conductive part 20 can enter the second chamber 8. When the slot 24 moves to the position of the block 9, the core 5 restores its own deformation, so that the block 9 is inserted into the slot 24.

[0045] In this embodiment, the first clearance slope 10 is provided to facilitate the installation of the plug terminal 6.

[0046] In one embodiment, the outer shell 1 is provided with a first through hole 4 and a first insertion hole 31 communicating with the mounting cavity, and the core 5 is provided with a second through hole 15 communicating with the first chamber 7 and a second insertion hole 18 communicating with the second chamber 8. The first insertion hole 31 and the second insertion hole 18 are spaced apart along a second direction. A positioning boss 17 is provided on the side of the core 5 facing the first insertion hole 31, and the second insertion hole 18 is disposed on the positioning boss 17.

[0047] In this embodiment, the positioning boss 17 is annular, and the second insertion hole 18 is located on the positioning boss 17.

[0048] In this embodiment, the positioning boss 17 protrudes from the core 5 and can serve as a guide when the socket terminal of the charging socket is inserted into the second chamber 8.

[0049] In one embodiment, the core 5 is provided with a clearance hole 12 communicating with the second chamber 8, and the clearance hole 12 and the second insertion hole 18 are arranged opposite to each other in the second direction.

[0050] In this embodiment, the clearance hole 12 is arranged opposite to the second insertion hole 18, and the outer shell 1 is provided with an opening 30. The screw for connecting the connection hole and the socket terminal of the charging socket enters the second chamber 8 through the opening 30 and the clearance hole 12.

[0051] In this embodiment, the charging plug also includes an upper cover 2 that is detachably connected to the outer casing 1 by screws, and the upper cover 2 is used to seal the opening 30.

[0052] In one embodiment, the adhesive core 5 is fixed to the mounting cavity.

[0053] In this embodiment, the outer casing 1 includes a first mounting portion 25 and a second mounting portion 26. The mounting cavity in the first mounting portion 25 is a first inner cavity 27, and the mounting cavity in the second mounting portion 26 is a second inner cavity 28. A stop step 29 is provided between the first inner cavity 27 and the second inner cavity 28.

[0054] In this embodiment, an elastic arm 13 is provided on the outer surface of the core 5. One end of the elastic arm 13 is connected to the core 5, and the other end of the elastic arm 13 is provided with a stop block 14. The stop block 14 and the stop step 29 are engaged to prevent the core 5 from detaching from the mounting cavity.

[0055] In this embodiment, a guide groove is provided on the inner wall of the first inner cavity 27, and the stop block 14 is guided and engaged with the guide groove in a third direction.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] According to the charging plug provided in this embodiment of the present invention, the first limiting structure on the plug terminal 6 cooperates with the second limiting structure on the core 5 to limit the displacement of the conductive part 20 in the second chamber 8, prevent the plug terminal 6 from shaking in the core 5, and improve the stability of the plug terminal 6.

[0058] In addition, one embodiment of this utility model also provides a connector, including a charging socket and the aforementioned charging plug. The charging socket is installed on the vehicle body and includes socket terminals. The socket terminals can be inserted into the second chamber 8 through the first insertion hole 31 and the second insertion hole 18, and are electrically locked with the conductive part 20 by screws and nuts, thereby realizing the electrical connection between the conductive part 20 and the socket terminals.

[0059] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A charging plug, characterized in that, It includes a housing (1), a core (5) and a plug terminal (6). The housing (1) has an installation cavity, the core (5) is installed in the installation cavity, and the core (5) has a first chamber (7) and a second chamber (8). The plug terminal (6) includes a wiring part (19) and a conductive part (20). The wiring part (19) is located in the first chamber (7) and is adapted to be electrically connected to the charging pile via a cable (3). The conductive part (20) is located in the second chamber (8) and is provided with a connection hole adapted to be electrically connected to the socket terminal of the charging socket inserted into the second chamber (8). The plug terminal (6) is provided with a first limiting structure, and the core (5) is provided with a second limiting structure. The first limiting structure and the second limiting structure cooperate to limit the displacement of the conductive part (20) in the second chamber (8).

2. The charging plug according to claim 1, characterized in that, The conductive part (20) has a first side surface (21) and a second side surface opposite each other along a first direction, and a third side surface (22) and a fourth side surface opposite each other along a second direction, wherein the second direction is perpendicular to the first direction; The second chamber (8) has an installation groove on the inner wall of the side facing the second side. The part of the conductive part (20) near the second side is inserted into the installation groove. The second side is in contact with the inner wall of the installation groove facing the conductive part (20). The third side (22) is in contact with the inner wall of the installation groove facing the third side (22).

3. The charging plug according to claim 2, characterized in that, The second chamber (8) is provided with a support platform (11), and a limiting plate (16) is provided on the inner wall of the second chamber (8) facing the conductive part (20). The support platform (11) and the limiting plate (16) are spaced apart along the second direction, and the conductive part (20) is located between the support platform (11) and the limiting plate (16). The fourth side is in contact with the support platform (11), and the third side (22) is in contact with the limiting plate (16). The limiting plate (16), the support platform (11), and the inner wall of the second chamber (8) facing the second side form the mounting groove.

4. The charging plug according to claim 2, characterized in that, The first limiting structure includes a slot (24) disposed on the conductive part (20), and the second limiting structure includes a block (9) disposed on the inner wall of the second chamber (8), the block (9) engaging with the slot (24).

5. The charging plug according to claim 4, characterized in that, The slot (24) is disposed on the first side (21), and the block (9) is disposed on the inner wall of the second chamber (8) facing the first side (21); The conductive part (20) has a fifth side surface and a sixth side surface (23) opposite each other in a third direction. The fifth side surface is connected to the wiring part (19), and the sixth side surface (23) blocks the side of the conductive part (20) facing away from the wiring part (19).

6. The charging plug according to claim 5, characterized in that, The card block (9) has a first clearance slope (10) on one side facing the conductive part (20). The distance between the end of the first clearance slope (10) near the wiring part (19) and the second side is greater than the distance between the end of the first clearance slope (10) away from the wiring part (19) and the second side.

7. The charging plug according to claim 2, characterized in that, The outer shell (1) is provided with a first through hole (4) and a first insertion hole (31) communicating with the mounting cavity. The core (5) is provided with a second through hole (15) communicating with the first chamber (7) and a second insertion hole (18) communicating with the second chamber (8). The first insertion hole (31) and the second insertion hole (18) are spaced apart along the second direction. The core (5) is provided with a positioning boss (17) on the side facing the first insertion hole (31). The second insertion hole (18) is located on the positioning boss (17).

8. The charging plug according to claim 7, characterized in that, The core (5) is provided with a clearance hole (12) that communicates with the second chamber (8), and the clearance hole (12) and the second insertion hole (18) are arranged opposite to each other along the second direction.

9. The charging plug according to claim 2, characterized in that, The adhesive core (5) is fixed in the mounting cavity.

10. A connector, characterized in that, Includes the charging plug as described in any one of claims 1 to 9.

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