A plug and connector

Abstract

This utility model belongs to the field of connector technology, and particularly relates to a plug and connector. The plug includes a plug housing, plug terminals, an external cable, and a stop assembly. The plug housing has a first mounting cavity. The plug terminals include a first insertion end and a first connection end. The first insertion end is installed in the first mounting cavity. The external cable is electrically connected to the first connection end. The end of the external cable away from the plug terminals is exposed in the plug housing for electrical connection with a charging pile. The first insertion end has an insertion hole for the socket terminal of the socket to be inserted. The plug housing has a first through hole for the socket terminal to be inserted. The first through hole communicates with the first mounting cavity and is directly opposite the insertion hole. The first through hole extends along the insertion direction of the plug and socket. The stop assembly is used to prevent the first insertion end from moving towards or away from the first through hole. This can prevent the displacement of the first insertion end in the insertion direction of the plug and socket during the plug-and-socket connection process.

Description

Technical Field

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

[0002] Connectors are crucial components in new energy vehicles, finding applications in both automobiles and charging infrastructure. A connector consists of a plug and a socket; the terminals of the plug and the socket connect to create a circuit.

[0003] Existing connectors include plugs and sockets. The plug includes a plug housing and plug terminals. The plug terminals are installed in the plug housing. One end of the plug terminals is connected to a cable exposed outside the plug housing. The cable is connected to an electrical component. The other end of the plug terminals is exposed outside the plug housing. The socket includes a socket housing and socket terminals. The socket terminals are installed in the socket housing. One end of the socket terminals is connected to a cable exposed outside the socket housing. The cable is connected to an electrical component. The other end of the socket terminals is exposed outside the socket housing. When the plug housing and the socket housing are plugged in, the plug terminals are plugged into the socket terminals.

[0004] In existing connectors, during the insertion process of the socket and plug, the socket terminals may force the plug terminals to wobble in the direction of insertion, causing the plug terminals to disconnect from the cable. Summary of the Invention

[0005] This utility model provides a plug and connector, which aims to solve the problem that during the insertion of the plug and socket in existing connectors, the socket terminals may force the plug terminals to wobble along the insertion direction, causing the plug terminals to disconnect from the cable.

[0006] To address the aforementioned issues, this utility model provides a plug comprising a plug housing, plug terminals, an external cable, and a stop assembly. The plug housing has a first mounting cavity, and the plug terminals include a first insertion end and a first connection end. The first insertion end is mounted in the first mounting cavity, and the external cable is electrically connected to the first connection end. One end of the external cable, away from the plug terminals, is exposed outside the plug housing for electrical connection with a charging pile.

[0007] The first plug end is provided with a plug hole for the socket terminal of the socket to be plugged in, and the plug housing is provided with a first through hole for the socket terminal to be inserted. The first through hole communicates with the first mounting cavity and is directly opposite the plug hole. The first through hole extends along the plug-in direction of the plug and the socket.

[0008] The blocking component is used to prevent the first plug end from moving toward or away from the first perforation.

[0009] Optionally, the stop assembly includes a plug core and a stop member. The plug core is installed in the first mounting cavity, and the plug core has a second mounting cavity. The plug core has a first side and a second side opposite to each other along the insertion direction of the plug.

[0010] The first side has a boss, the boss has a slot, and the slot sidewall has a through hole communicating with the second mounting cavity.

[0011] The first connecting end is installed in the second mounting cavity, the first plug end is inserted into the slot through the through hole, the side of the first plug end facing the first through hole contacts the bottom wall of the slot, the end of the boss near the first through hole has a second through hole for the socket terminal to be inserted into the slot, the second through hole communicates with the first mounting cavity and is directly opposite the plug hole;

[0012] The stop is used to prevent the first plug end from moving away from the first perforation.

[0013] Optionally, the stop member includes a stop part and an insertion part. A first guide groove is provided on the first side surface. The insertion part is inserted into the first guide groove. The lower side of the boss has a clearance opening. The stop part is inserted into the clearance opening from bottom to top.

[0014] The side of the stop portion facing the first through hole engages with the first insertion end to stop it.

[0015] Optionally, the stop member further includes a first stop structure, the first stop structure including a first stop block disposed on the side of the insertion portion facing the groove sidewall of the first guide groove, and a second stop block disposed on the groove sidewall of the first guide groove.

[0016] The upper side of the second stop block is the second stop surface, and the lower side of the first stop block is the first stop surface. The first stop surface and the second stop surface are in a stop-locking engagement.

[0017] Optionally, the side of the first stop block facing away from the first stop surface is a first guide slope, and the end of the first guide slope closer to the first insertion end is farther from the top wall of the second mounting cavity than the end of the first guide slope farther from the first insertion end.

[0018] The side of the second stop block facing away from the second stop surface is a second guide slope. The end of the second guide slope closer to the first insertion end is farther from the top wall of the second mounting cavity than the end of the second guide slope farther from the first insertion end.

[0019] Optionally, a push block is provided on the side of the stop portion facing the first through hole, and the side of the push block facing the first through hole abuts against the side of the first plug end facing away from the first through hole.

[0020] Optionally, the stop further includes a guide block disposed on the side of the insertion portion facing the first side, and the first side is provided with a locking hole;

[0021] The guide block engages with the card slot.

[0022] Optionally, the upper side of the guide block is a third guide slope, and the end of the third guide slope closer to the first connecting end is farther from the top wall of the second mounting cavity than the end of the third guide slope farther from the first connecting end.

[0023] Optionally, a second guide groove is also provided on the bottom wall of the first guide groove. The second guide groove is located directly below the card hole. A fourth guide slope is provided on the bottom wall of the second guide groove. The end of the fourth guide slope closer to the first connecting end is farther from the top wall of the second mounting cavity than the end of the fourth guide slope farther from the first connecting end.

[0024] According to the plug provided in this embodiment of the present invention, the length direction of the first through hole is consistent with the length direction of the plug terminal. The blocking component can prevent the first plug end of the plug terminal from moving towards or away from the first through hole, thereby fixing the first plug end in the plug housing. Compared with the prior art, it can prevent the displacement of the first plug end in the plug-socket insertion direction during the plug-socket insertion process, and prevent the plug terminal from disconnecting from the external cable.

[0025] This utility model embodiment also provides a connector, including a socket and the above-mentioned plug, wherein the socket includes a socket terminal, and the socket terminal is inserted into the plug hole in sequence through the first through hole and the second through hole. Attached Figure Description

[0026] 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.

[0027] Figure 1 This is a schematic diagram of the structure of a plug provided in an embodiment of the present invention;

[0028] Figure 2 for Figure 1A schematic diagram of the decomposition process;

[0029] Figure 3 for Figure 2 Assembly diagram of the plug terminal, plug core and stop;

[0030] Figure 4 for Figure 2 A schematic diagram of the structure of the plug core;

[0031] Figure 5 for Figure 2 Schematic diagram of the middle stop component;

[0032] Figure 6 for Figure 2 A schematic diagram of the structure of the plug terminal.

[0033] Instruction manual drawing reference numerals: 1. Plug housing; 2. First mounting cavity; 3. First through hole; 4. Top cover; 5. Plug sealing ring; 6. Plug terminal; 7. Stop; 8. Plug core; 9. Plug shield; 10. Plug handle; 11. Locking block; 12. Riveted inner ring; 13. Riveted outer ring; 14. Rear baffle; 15. Tail end waterproof ring; 16. Plug tail clip; 17. Tail cover; 18. First side; 19. Second side; 20. Boss; 21. Alignment slot; 22. Second through hole; 23. Second stop block; 24. 25. Second stop surface; 26. Second guide slope; 27. Locking hole; 28. Second guide groove; 29. ​​Fourth guide slope; 30. Clearance opening; 31. First guide groove; 32. Stop part; 33. Push block; 34. Insertion part; 35. Peripheral insertion arm; 36. First stop surface; 37. First guide slope; 38. Middle insertion arm; 39. Guide block; 40. Third guide slope; 41. First connecting end; 42. First insertion end; 43. Stop step; 44. Step surface; 45. Insertion hole. Detailed Implementation

[0034] 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.

[0035] 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.

[0036] like Figures 1 to 6 As shown, an embodiment of the present invention provides a plug, including a plug housing 1, a plug terminal 6, an external cable and a stop assembly. The plug housing 1 has a first mounting cavity 2. The plug terminal 6 includes a first insertion end 42 and a first connection end 41. The first insertion end 42 is installed in the first mounting cavity 2. The external cable is electrically connected to the first connection end 41. One end of the external cable away from the plug terminal 6 is exposed outside the plug housing 1 for electrical connection with a charging pile.

[0037] The first plug end 42 is provided with a plug hole 45 for the socket terminal to be plugged in, and the plug housing 1 is provided with a first through hole 3 for the socket terminal to be inserted. The first through hole 3 is connected to the first mounting cavity 2 and is directly opposite the plug hole 45. The first through hole 3 extends along the plug-in direction of the plug and socket.

[0038] A stop assembly is provided to prevent the first plug end 42 from moving toward or away from the first through hole 3.

[0039] In this embodiment, the length direction of the first through hole 3 is consistent with the length direction of the plug terminal 6. The blocking component can prevent the first plug end 42 of the plug terminal 6 from moving towards or away from the first through hole 3, thereby fixing the first plug end 42 in the plug housing 1. This can prevent the displacement of the first plug end 42 in the plug-socket insertion direction during the plug-socket insertion process, and prevent the plug terminal 6 from disconnecting from the external cable.

[0040] In this embodiment, the electrical connection method between the external cable and the charging device is existing technology and will not be described in detail here.

[0041] In one embodiment, the blocking assembly includes a plug core 8 and a blocking member 7. The plug core 8 is installed in a first mounting cavity 2 and has a second mounting cavity. The plug core 8 has a first side 18 and a second side 19 that are opposite to each other along the insertion direction of the plug.

[0042] A boss 20 is provided on the first side 18, and a slot 21 is provided on the boss 20. The slot side wall of the slot 21 is provided with a through hole communicating with the second mounting cavity.

[0043] The first connecting end 41 is installed in the second mounting cavity. The first plug end 42 is inserted into the slot 21 through the through hole. The side of the first plug end 42 facing the first through hole 3 contacts the bottom wall of the slot 21. The end of the boss 20 near the first through hole 3 has a second through hole 22 for the socket terminal to be inserted into the slot 21. The second through hole 22 is connected to the first mounting cavity 2 and is directly opposite the plug hole 45.

[0044] The stopper 7 is used to prevent the first plug end 42 from moving away from the first through hole 3.

[0045] In this embodiment, the stop member 7 further includes a first stop structure, which includes a first stop block 37 disposed on the side of the insertion part 33 facing the groove sidewall of the first guide groove 30, and a second stop block 23 disposed on the groove sidewall of the first guide groove 30.

[0046] The upper side of the second stop block 23 is the second stop surface 24, and the lower side of the first stop block 37 is the first stop surface 35. The first stop surface 35 and the second stop surface 24 are in a stop-and-stop engagement.

[0047] In this embodiment, the boss 20 protrudes from the first side 18.

[0048] In this embodiment, the first plug end 42 is inserted into the slot 21 through the through hole.

[0049] In this embodiment, the socket terminal can be inserted into the slot 21 through the first through hole 3 and the second through hole 22 in sequence to engage with the first plug end 42 of the plug terminal 6.

[0050] In one embodiment, the stop member 7 includes a stop part 31 and a plug part 33. A first guide groove 30 is provided on the first side surface 18. The plug part 33 is plugged into the first guide groove 30. The lower side of the boss 20 has a relief opening 29. The stop part 31 is inserted into the relief opening 29 from bottom to top.

[0051] The side of the stop portion 31 facing the first through hole 3 is engaged with the first insertion end 42 for a stop.

[0052] In this embodiment, the plug-in portion 33 is composed of three spaced-apart plug-in arms.

[0053] In this embodiment, the three plug arms are two peripheral plug arms 34 and a middle plug arm 38. The middle plug arm 38 is located between the two peripheral plug arms 34, and the two peripheral plug arms 34 have the same structure.

[0054] In this embodiment, the peripheral plug-in arm 34 is provided with a first stop block 37, and the first stop blocks 37 of the two peripheral plug-in arms 34 are arranged opposite to each other.

[0055] In this embodiment, the peripheral insertion arm 34 has a first fixed elasticity. When the insertion part 33 is inserted into the first guide groove 30, the second stop block 23 can force the peripheral insertion arm 34 to swing away from the boss 20, so that the first stop block 37 moves upward past the first stop block 37, so that the first stop surface 35 stops the second stop surface 24.

[0056] In this embodiment, the first stop block 37 cooperates with the second stop block 23 to prevent the stop member 7 from moving downward.

[0057] In one embodiment, the side of the first stop block 37 facing away from the first stop surface 35 is a first guide slope 36. The end of the first guide slope 36 near the first insertion end 42 is farther from the top wall of the second mounting cavity than the end of the first guide slope 36 away from the first insertion end 42.

[0058] The side of the second stop block 23 facing away from the second stop surface 24 is the second guide slope 25. The end of the second guide slope 25 closer to the first insertion end 42 is farther from the top wall of the second mounting cavity than the end of the second guide slope 25 farther from the first insertion end 42.

[0059] In this embodiment, the first guide slope 36 and the second guide slope 25 cooperate to facilitate the first stop block 37 passing over the second stop block 23.

[0060] In one embodiment, a push block 32 is provided on the side of the stop portion 31 facing the first through hole 3, and the side of the push block 32 facing the first through hole 3 abuts against the side of the first insertion end 42 facing away from the first through hole 3.

[0061] In this embodiment, a stop step 43 is provided between the first plug end 42 and the first connection end 41, and the side of the stop step 43 facing the first connection end 41 has a stepped surface 44.

[0062] In this embodiment, the push block 32 can enter the slot 21 from bottom to top through the clearance opening 29. The side of the push block 32 facing the first insertion end 42 abuts against the step surface 44, thereby preventing the first insertion end 42 from moving away from the first through hole 3.

[0063] In this embodiment, the side of the first plug-in end 42 facing away from the first connecting end 41 abuts against the inner wall of the slot 21.

[0064] In this embodiment, the inner wall of the slot 21 with the second through hole 22 and the push block 32 together clamp the first plug end 42, thereby preventing the first plug end 42 from moving towards or away from the first through hole 3.

[0065] In one embodiment, the stopper 7 further includes a guide block 39 disposed on the side of the insertion portion 33 facing the first side 18, and the first side 18 is provided with a locking hole 26.

[0066] Guide block 39 engages with slot 26.

[0067] In this embodiment, a guide block 39 is provided on the side of the intermediate plug arm 38 facing the first side 18.

[0068] In this embodiment, the guide block 39 engages with the locking hole 26, thereby preventing the stop 7 from moving upward.

[0069] In one embodiment, the upper side of the guide block 39 is a third guide slope 40, and the end of the third guide slope 40 closer to the first connecting end 41 is farther from the top wall of the second mounting cavity than the end of the third guide slope 40 farther from the first connecting end 41.

[0070] In this embodiment, the third guide slope 40 is provided to facilitate the guide block 39 entering the card hole 26.

[0071] In one embodiment, a second guide groove 27 is also provided on the bottom wall of the first guide groove 30. The second guide groove 27 is located directly below the card hole 26. A fourth guide slope 28 is provided on the bottom wall of the second guide groove 27. The end of the fourth guide slope 28 closer to the first connecting end 41 is farther from the top wall of the second mounting cavity than the end of the fourth guide slope 28 farther from the first connecting end 41.

[0072] In this embodiment, the fourth guide slope 28 of the second guide groove 27 can guide the guide block 39, making it easier for the guide block 39 to enter the card hole 26.

[0073] In one embodiment, the plug further includes an upper cover 4, a plug handle 10, a locking block 11, a plug sealing ring 5, a plug shield 9, a riveting outer ring 13, a riveting inner ring 12, a rear baffle 14, a tail waterproof ring 15, a plug tail clip 16, and a tail cover 17. The upper cover 4 is installed on the housing, the plug sealing ring 5 is installed in the groove at the front end of the plug housing 1, one end of the external cable is welded and fixed to the plug terminal 6, and the other end of the external cable is exposed outside the plug housing 1. The riveting inner ring 12 is fitted on the external cable, and the riveting outer ring 13 is fitted on the riveting inner ring 12. The riveting inner ring 12 and the riveting inner ring 13 are pressed tightly onto the external cable by riveting. The plug core 8 is inserted into the plug shield 9, and the plug terminal 6 is inserted into the plug core 8 from back to front. The plug core 8 and the plug shield are inserted into the first mounting cavity 2 of the plug housing 1. Finally, the plug tail clip 16, the tail waterproof ring 15, the tail cover 17, and the rear baffle 14 are installed at the rear end of the plug housing 1.

[0074] 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.

[0075] According to the plug provided in this embodiment of the present invention, the length direction of the first through hole 3 is consistent with the length direction of the plug terminal 6. The blocking component can prevent the first plug end 42 of the plug terminal 6 from moving towards or away from the first through hole 3, thereby fixing the first plug end 42 in the plug housing 1. Compared with the prior art, it can prevent the displacement of the first plug end 42 in the plug-socket insertion direction during the plug-socket insertion process, and prevent the plug terminal 6 from disconnecting from the external cable.

[0076] In addition, one embodiment of the present invention also provides a connector, including a socket and the aforementioned plug. The socket includes socket terminals, which are sequentially inserted into the insertion hole 45 through the first through hole 3 and the second through hole 22.

[0077] 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 plug, characterized in that The device includes a plug housing (1), a plug terminal (6), an external cable, and a stop assembly. The plug housing (1) has a first mounting cavity (2). The plug terminal (6) includes a first plug end (42) and a first connection end (41). The first plug end (42) is installed in the first mounting cavity (2). The external cable is electrically connected to the first connection end (41). One end of the external cable away from the plug terminal (6) is exposed outside the plug housing (1) for electrical connection with the charging pile. The first plug end (42) is provided with a plug hole (45) for the socket terminal of the socket to be plugged in, and the plug housing (1) is provided with a first through hole (3) for the socket terminal to be inserted. The first through hole (3) is connected to the first mounting cavity (2) and is directly opposite to the plug hole (45). The first through hole (3) extends along the plug-in direction of the plug and the socket. The blocking component is used to prevent the first plug end (42) from moving toward or away from the first perforation (3).

2. The plug of claim 1, wherein, The stop assembly includes a plug core (8) and a stop member (7). The plug core (8) is installed in the first mounting cavity (2). The plug core (8) has a second mounting cavity. The plug core (8) has a first side (18) and a second side (19) opposite to each other along the insertion direction of the plug and socket. The first side (18) is provided with a boss (20), the boss (20) is provided with a slot (21), and the slot sidewall of the slot (21) is provided with a through hole communicating with the second mounting cavity; The first connecting end (41) is installed in the second mounting cavity, the first plug end (42) is inserted into the slot (21) through the through hole, the first plug end (42) is in contact with the bottom wall of the slot (21) on the side facing the first through hole (3), the boss (20) has a second through hole (22) at the end near the first through hole (3) for the socket terminal to be inserted into the slot (21), the second through hole (22) is connected to the first mounting cavity (2) and is directly opposite the plug hole (45); The stop (7) is used to prevent the first plug end (42) from moving away from the first through hole (3).

3. The plug according to claim 2, characterized in that, The stop (7) includes a stop part (31) and a plug part (33). A first guide groove (30) is provided on the first side surface (18). The plug part (33) is plugged into the first guide groove (30). The lower side of the boss (20) has a relief opening (29). The stop part (31) is inserted into the relief opening (29) from bottom to top. The stop part (31) is positioned on one side facing the first through hole (3) and engages with the first plug end (42) to stop it.

4. The plug according to claim 3, characterized in that, The stop member (7) further includes a first stop structure, which includes a first stop block (37) disposed on the side of the groove sidewall of the insertion part (33) facing the first guide groove (30), and a second stop block (23) is provided on the groove sidewall of the first guide groove (30). The upper side of the second stop block (23) is the second stop surface (24), and the lower side of the first stop block (37) is the first stop surface (35). The first stop surface (35) and the second stop surface (24) are in a stop-and-stop cooperation.

5. The plug according to claim 4, characterized in that, The side of the first stop block (37) facing away from the first stop surface (35) is the first guide slope (36). The end of the first guide slope (36) closer to the first plug end (42) is farther from the top wall of the second mounting cavity than the end of the first guide slope (36) further away from the first plug end (42). The side of the second stop block (23) facing away from the second stop surface (24) is the second guide slope (25). The end of the second guide slope (25) closer to the first plug end (42) is farther from the top wall of the second mounting cavity than the end of the second guide slope (25) further away from the first plug end (42).

6. The plug according to claim 3, characterized in that, The stop part (31) has a push block (32) on the side facing the first through hole (3), and the side of the push block (32) facing the first through hole (3) abuts against the side of the first plug end (42) facing away from the first through hole (3).

7. The plug according to claim 3, characterized in that, The stop (7) also includes a guide block (39) disposed on the side of the plug (33) facing the first side (18), and the first side (18) is provided with a locking hole (26). The guide block (39) engages with the card hole (26).

8. The plug according to claim 7, characterized in that, The upper side of the guide block (39) is a third guide slope (40). The end of the third guide slope (40) closer to the first connecting end (41) is farther from the top wall of the second mounting cavity than the end of the third guide slope (40) farther from the first connecting end (41).

9. The plug according to claim 8, characterized in that, The bottom wall of the first guide groove (30) is also provided with a second guide groove (27). The second guide groove (27) is located directly below the card hole (26). The bottom wall of the second guide groove (27) is provided with a fourth guide slope (28). The end of the fourth guide slope (28) closer to the first connecting end (41) is farther from the top wall of the second mounting cavity than the end of the fourth guide slope (28) farther from the first connecting end (41).

10. A connector, characterized in that, The device includes a socket and a plug as described in any one of claims 1 to 9, wherein the socket includes socket terminals that are sequentially inserted into the insertion hole (45) via the first through hole (3) and the second through hole (22).

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