A terminal assembly and charging socket

Abstract

The utility model relates to vehicle charging socket technical field especially, a kind of terminal assembly and charging socket, terminal assembly includes terminal main body, cable, fastener and transition piece, one end of transition piece is electrically connected with cable, the other end of transition piece is equipped with first mounting hole, the one end of terminal main body close to cable is connection end, the one end surface of connection end towards transition piece is equipped with second mounting hole, fastener is arranged in first mounting hole and second mounting hole, to crimp transition piece in connection end, so that the side surface of transition piece towards terminal main body and the one end surface of connection end towards transition piece contact. Opening is directly opposite second perforation, transition piece is connected with cable, can first terminal main body is inserted in second shell portion through second perforation, cable is inserted into first shell portion through first perforation, then fastener is arranged in first mounting hole and second mounting hole through mouth, realize the connection of terminal main body and cable, compared with prior art, it is convenient to install.

Description

Technical Field

[0001] This utility model relates to the field of vehicle charging socket technology, and in particular to a terminal assembly and a charging socket. 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 gun, and the new energy vehicle is charged by plugging the charging gun into the charging socket.

[0003] An existing charging socket includes a housing and socket terminals. One end of the socket terminals extends into the housing and is connected to the vehicle's charging module via a cable. The other end of the socket terminals protrudes from the housing and is used to connect with the exposed charging gun terminals on the charging gun to achieve a conductive connection between the charging socket and the charging gun, thereby charging the vehicle.

[0004] However, existing charging sockets have cables that are perpendicular to the socket terminals and connected by soldering, making them difficult to install. Summary of the Invention

[0005] This utility model provides a terminal assembly and a charging socket, aiming to solve the problem that existing charging sockets have cables that are perpendicular to the socket terminals and connected by welding, making them difficult to install.

[0006] To address the aforementioned problems, this utility model provides a terminal assembly, including a terminal body, a cable, a fastener, and a transition member. One end of the transition member is electrically connected to the cable, and the other end of the transition member has a first mounting hole. The end of the terminal body near the cable is a connecting end, and the connecting end has a second mounting hole on its end face facing the transition member. The fastener passes through the first mounting hole and the second mounting hole to press the transition member onto the connecting end, such that the side of the transition member facing the terminal body contacts the end face of the connecting end facing the transition member.

[0007] Optionally, the first mounting hole is a smooth hole, the second mounting hole is a threaded hole, the fastener includes a head and a rod, both of which are circular, the diameter of the head is larger than the diameter of the rod, the rod is provided with an external thread, the rod passes through the first mounting hole and the second mounting hole, the external thread is helically assembled with the second mounting hole, and the side of the head facing the transition piece and the side of the transition piece facing away from the terminal body are blocked.

[0008] Optionally, the cable is an aluminum busbar, and the transition piece is a copper busbar.

[0009] According to the terminal assembly provided in this utility model embodiment, the transition piece is connected to the cable. By inserting fasteners into the first mounting hole and the second mounting hole, the transition piece can be pressed onto the connection end of the terminal body. When installing the terminal assembly in the housing of the charging socket, the terminal body and the cable can be inserted into the housing first, and then connected by fasteners, which is convenient for installation.

[0010] This utility model embodiment also provides a charging socket, including a housing, an end cover and the aforementioned terminal assembly. The housing has a mounting cavity inside. The housing includes a first housing part and a second housing part that are perpendicular to each other. The first housing part has a first through hole communicating with the mounting cavity, and the second housing part has a second through hole communicating with the mounting cavity. The cable extends into the mounting cavity through the first through hole, and the terminal body extends into the mounting cavity through the second through hole. The first housing portion has an opening communicating with the mounting cavity, the opening being directly opposite the second through hole, the end cap being detachably connected to the outer shell, and the end cap being used to seal the opening.

[0011] Optionally, the terminal assembly is provided in two parts, namely a positive terminal assembly and a negative terminal assembly, which are spaced apart.

[0012] Optionally, the charging socket further includes a bracket located within the mounting cavity of the first housing portion. The bracket is connected to the first housing portion and has a first through hole and a second through hole extending in a first direction. The cable in the positive terminal assembly passes through the first through hole, and the cable in the negative terminal assembly passes through the second through hole.

[0013] Optionally, the bracket is provided with an elastic arm, one end of the elastic arm near the second housing portion is connected to the bracket, and the distance between the end of the elastic arm near the second housing portion and the cable is less than the distance between the end of the elastic arm away from the second housing portion and the cable; The second housing portion has a slot on the inner wall of the mounting cavity, and the elastic arm engages with the slot.

[0014] Optionally, the inner wall of the first housing portion is provided with a guide block extending along the first direction, and the outer peripheral surface of the bracket is provided with a guide groove extending along the first direction. The opening of the guide groove is located at one end of the bracket near the second housing portion, and the guide block is guided and assembled into the guide groove.

[0015] Optionally, the charging socket further includes a sealing plug that is inserted into the opening.

[0016] Optionally, the first housing portion and the second housing portion are detachably connected.

[0017] According to the embodiment of this utility model, the charging socket has an opening facing the second through hole, and the transition piece is connected to the cable. The terminal body can be inserted into the second housing part through the second through hole, and the cable can be inserted into the first housing part through the first through hole. Then, the fastener is inserted into the first mounting hole and the second mounting hole through the opening to realize the connection between the terminal body and the cable. Compared with the prior art, the installation is convenient. Attached Figure Description

[0018] 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.

[0019] Figure 1 This is a schematic diagram of the structure of a charging socket provided in an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a charging socket provided in an embodiment of the present utility model (with end caps removed). Figure 3 A schematic diagram of the structure of a charging socket provided in an embodiment of the present utility model (with end caps and sealing plugs removed). Figure 4 This is a schematic diagram of the structure of the first shell section; Figure 5 This is a schematic diagram of the assembly of the bracket and terminal assembly; Figure 6 This is an exploded view of a terminal assembly provided in one embodiment of the present invention.

[0020] Reference numerals in the accompanying drawings: 1. Outer shell; 2. First housing part; 3. End cap; 4. First locking hole; 5. First locking block; 6. Second housing part; 7. Second locking hole; 8. Second locking block; 9. Second through hole; 10. Opening; 11. Clearance hole; 12. Sealing plug; 13. Tail cap; 14. Terminal assembly; 15. Stop step; 16. Mounting cavity; 17. Slot; 18. Guide block; 19. Bracket; 20. Guide groove; 21. Notch groove; 22. Elastic arm; 23. First through hole; 24. Second through hole; 25. Cable; 26. Transition piece; 27. Fastener; 28. Terminal body; 29. ​​First mounting hole; 30. Connecting end; 31. Second mounting hole; 32. Head; 33. Rod part; 34. External thread; 35. First through hole. Detailed Implementation

[0021] 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.

[0022] 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.

[0023] like Figures 1 to 6 As shown, an embodiment of the present invention provides a charging socket, including a housing 1, an end cover 3, and a terminal assembly 14. The terminal assembly 14 includes a terminal body 28, a cable 25, a fastener 27, and a transition member 26. One end of the transition member 26 is electrically connected to the cable 25, and the other end of the transition member 26 is provided with a first mounting hole 29. The end of the terminal body 28 near the cable 25 is a connecting end 30. The connecting end 30 is provided with a second mounting hole 31 on one end face facing the transition member 26. The fastener 27 passes through the first mounting hole 29 and the second mounting hole 31 to press the transition member 26 onto the connecting end 30, so that the side of the transition member 26 facing the terminal body 28 contacts the side face of the connecting end 30 facing the transition member 26.

[0024] The housing 1 has a mounting cavity 16 inside. The housing 1 includes a first housing part 2 and a second housing part 6 that are perpendicular to each other. The first housing part 2 has a first through hole 35 that communicates with the mounting cavity 16. The second housing part 6 has a second through hole 9 that communicates with the mounting cavity 16. The cable 25 extends into the mounting cavity 16 through the first through hole 35, and the terminal body 28 extends into the mounting cavity 16 through the second through hole 9.

[0025] The first housing part 2 is provided with an opening 10 that communicates with the mounting cavity 16. The opening 10 is directly opposite the second through hole 9. The end cap 3 is detachably connected to the outer shell 1 and is used to seal the opening 10.

[0026] In this embodiment, the opening 10 is directly opposite the second through hole 9, and the transition piece 26 is connected to the cable 25. The terminal body 28 can be first inserted into the second housing part 6 through the second through hole 9, and the cable 25 can be inserted into the first housing part 2 through the first through hole 35. Then, the fastener 27 is passed through the opening into the first mounting hole 29 and the second mounting hole 31 to realize the connection between the terminal body 28 and the cable 25, which is convenient for installation.

[0027] In this embodiment, the first direction is the extending direction of the first housing portion 2.

[0028] In this embodiment, the first perforation 35 extends along a first direction.

[0029] In this embodiment, the extension direction of the second perforation 9 is perpendicular to the first direction, and the opening 10 is directly opposite the second perforation 9, that is, the extension direction of the opening 10 is consistent with the extension direction of the second perforation 9.

[0030] In this embodiment, the cable 25 extends along the first direction, the terminal body 28 is perpendicular to the cable 25, the second mounting hole 31 is directly opposite the opening 10, and the fastener 27 can enter the mounting cavity 16 from the opening 10 and then pass through the first mounting hole 29 into the second mounting hole 31.

[0031] In one embodiment, the first mounting hole 29 is a smooth hole, the second mounting hole 31 is a threaded hole, and the fastener 27 includes a head 32 and a rod 33. Both the head 32 and the rod 33 are circular. The diameter of the head 32 is larger than the diameter of the rod 33. The rod 33 is provided with an external thread 34. The rod 33 passes through the first mounting hole 29 and the second mounting hole 31. The external thread 34 is screwed into the second mounting hole 31. The side of the head 32 facing the transition member 26 is blocked by the side of the transition member 26 facing away from the terminal body 28.

[0032] In this embodiment, the external thread 34 segment is located on the outer peripheral surface of the rod 33.

[0033] In this embodiment, the rod 33 passes through the first through hole 35 and is inserted into the second mounting hole 31. By screwing the head 32, the external thread 34 is screwed into the second mounting hole 31, so that the side of the head 32 facing the terminal body 28 is pressed against the side of the transition piece 26 facing away from the terminal body 28, thereby pressing the transition piece 26 onto the connecting end 30 of the terminal body 28, realizing the connection between the terminal body 28 and the transition piece 26.

[0034] In one embodiment, the cable 25 is an aluminum busbar and the transition piece 26 is a copper busbar.

[0035] In this embodiment, the copper busbar transition piece 26 is fixed together with the aluminum busbar by pre-welding, and then they are installed together into the first housing part 2.

[0036] In this embodiment, both the terminal body 28 and the transition piece 26 are made of copper, which is not prone to electrochemical corrosion and improves the conductivity between the terminal body 28 and the transition piece 26.

[0037] In one embodiment, two terminal assemblies 14 are provided, namely a positive terminal subassembly 14 and a negative terminal subassembly 14, which are spaced apart.

[0038] In one embodiment, the charging socket further includes a bracket 19, which is located in the mounting cavity 16 of the first housing portion 2 and connected to the first housing portion 2. The bracket 19 is provided with a first through hole 23 and a second through hole 24 extending in a first direction. The cable 25 in the positive terminal component 14 passes through the first through hole 23, and the cable 25 in the negative terminal component 14 passes through the second through hole 24.

[0039] In this embodiment, the first through hole 23 is located above the second through hole 24, such that the cable 25 in the positive terminal component 14 is located above the cable 25 in the negative terminal component 14.

[0040] In this embodiment, the transition member 26 of the positive terminal component 14 is disposed on the side of the positive terminal component 14 cable 25 facing the negative terminal component 14 cable 25, and the transition member 26 of the negative terminal component 14 is disposed on the side of the negative terminal component 14 cable 25 facing the positive terminal component 14 cable 25.

[0041] In this embodiment, the transition member 26 of the positive terminal component 14 and the transition member 26 of the negative terminal component 14 are arranged side by side at intervals along the width direction of the cable 25, such that the transition member 26 of the positive terminal component 14 is correspondingly disposed above the terminal body 28 of the positive terminal component 14, and the transition member 26 of the negative terminal component 14 is correspondingly disposed above the terminal body 28 of the negative terminal component 14.

[0042] In this embodiment, the outer peripheral surface of the cable 25 of the positive terminal component 14 contacts the inner wall of the first through hole 23, and the outer peripheral surface of the cable 25 of the negative terminal component 14 contacts the inner wall of the second through hole 24.

[0043] In this embodiment, the bracket 19 can serve to support the cable 25.

[0044] In one embodiment, the bracket 19 is provided with an elastic arm 22. The end of the elastic arm 22 near the second housing part 6 is connected to the bracket 19. The distance between the end of the elastic arm 22 near the second housing part 6 and the cable 25 is less than the distance between the end of the elastic arm 22 away from the second housing part 6 and the cable 25.

[0045] The mounting cavity 16 of the second housing part 6 is provided with a slot 17 on the inner wall of the cavity, and the elastic arm 22 is engaged with the slot 17.

[0046] In this embodiment, the cables 25 of the positive terminal component 14 and the negative terminal component 14 can be installed into the bracket 19 first, and then the bracket 19 can be inserted into the first housing part 2 through the first through hole 35.

[0047] In this embodiment, during the process of inserting the bracket 19 into the first housing part 2, under the pressure of the inner wall of the mounting cavity 16 of the first housing part 2, the elastic arm 22 will first move towards the cable 25. Since the slot 17 is recessed, after the bracket 19 passes the position of the slot 17, the elastic arm 22 will rebound away from the cable 25, so that the end of the elastic arm 22 away from the bracket 19 is inserted into the slot 17, realizing the engagement of the elastic arm 22 with the slot 17, thereby fixing the bracket 19 in the first housing part 2.

[0048] In this embodiment, the bracket 19 is fixed by a snap-fit ​​method, which is simple in structure and easy to design.

[0049] In this embodiment, the side of the bracket 19 is provided with a notch 21, and one end of the elastic arm 22 is connected to the bottom wall of the notch 21. The notch 21 can reduce the space of the bracket 19, so that the outer peripheral surface can contact the inner wall of the mounting cavity 16 of the first housing part 2, thereby improving the stability of the bracket 19.

[0050] In one embodiment, a guide block 18 extending in a first direction is provided on the inner wall of the cavity of the first housing part 2, and a guide groove 20 extending in the first direction is provided on the outer peripheral surface of the bracket 19. The opening 10 of the guide groove 20 is located at one end of the bracket 19 near the second housing part 6, and the guide block 18 is guided and assembled in the guide groove 20.

[0051] In this embodiment, guide blocks 18 extending in the first direction are provided on the top wall and bottom wall of the mounting cavity 16 of the first housing part 2.

[0052] In this embodiment, guide grooves 20 are provided on both the top and bottom sides of the bracket 19.

[0053] In this embodiment, the opening 10 of the guide groove 20 is specifically located at one end of the bracket 19 near the terminal body 28.

[0054] In this embodiment, the guide groove 20 cooperates with the guide block 18 to facilitate the installation of the bracket 19.

[0055] In one embodiment, the charging socket further includes a sealing plug 12, which is inserted into the opening 10.

[0056] In this embodiment, the opening 10 is provided with a clearance hole 11 facing the terminal body 28 of the positive terminal component 14 and another clearance hole 11 facing the terminal body 28 of the negative terminal component 14. Two sealing plugs 12 are provided, and the two sealing plugs 12 are respectively inserted into the two clearance holes 11. The outer peripheral surface of the sealing plug 12 is in sealing contact with the inner wall surface of the clearance hole 11.

[0057] In this embodiment, a stop step 15 is provided on the inner wall of the clearance hole 11, and the side of the sealing plug 12 facing the terminal body 28 is stopped by the stop step 15 to limit the sealing plug 12.

[0058] In this embodiment, the end cap 3 is provided with a first locking hole 4, and the outer peripheral surface of the first housing part 2 is provided with a first locking block 5, and the first locking hole 4 and the first locking block 5 are engaged.

[0059] In one embodiment, the first housing portion 2 and the second housing portion 6 are detachably connected.

[0060] In this embodiment, a second locking block 8 is provided on the outer peripheral surface of the second housing part 6, and a second locking hole 7 is provided on the outer peripheral surface of the first housing part 2. The second locking block 8 is engaged with the second locking hole 7.

[0061] In this embodiment, the first housing part 2 and the second housing part 6 are detachably connected, which further facilitates the connection of the cable 25 and the terminal body 28.

[0062] In this embodiment, the charging socket also includes a sealing ring and a tail cover 13. The tail cover 13 seals the first through hole 35. The tail cover 13 is connected to the first housing part 2 by a snap-fit ​​connection. The sealing ring is disposed on the side of the bracket 19 facing away from the terminal body 28. One end face of the sealing ring contacts the side of the bracket 19 facing away from the terminal body 28, and the other end face of the sealing ring contacts the tail cover 13. The cables 25 of the positive terminal sub-assembly 14 and the negative terminal sub-assembly 14 are both passed through the sealing ring along the first direction.

[0063] 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.

[0064] According to the embodiment of this utility model, the charging socket has an opening 10 facing the second through hole 9, and a transition piece 26 connected to the cable 25. The terminal body 28 can be inserted into the second housing part 6 through the second through hole 9, and the cable 25 can be inserted into the first housing part 2 through the first through hole 35. Then, the fastener 27 is passed through the opening into the first mounting hole 29 and the second mounting hole 31 to realize the connection between the terminal body 28 and the cable 25. Compared with the prior art, the installation is convenient.

[0065] In addition, one embodiment of the present invention also provides the aforementioned terminal assembly 14.

[0066] 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 terminal assembly, characterized in that, The device includes a terminal body (28), a cable (25), a fastener (27), and a transition piece (26). One end of the transition piece (26) is electrically connected to the cable (25), and the other end of the transition piece (26) is provided with a first mounting hole (29). The end of the terminal body (28) near the cable (25) is a connecting end (30). The connecting end (30) is provided with a second mounting hole (31) on one end face of the transition piece (26). The fastener (27) passes through the first mounting hole (29) and the second mounting hole (31) to press the transition piece (26) onto the connecting end (30), so that one side of the transition piece (26) facing the terminal body (28) contacts one end face of the connecting end (30) facing the transition piece (26).

2. The terminal assembly according to claim 1, characterized in that, The first mounting hole (29) is a smooth hole, and the second mounting hole (31) is a threaded hole. The fastener (27) includes a head (32) and a rod (33). Both the head (32) and the rod (33) are circular. The diameter of the head (32) is larger than the diameter of the rod (33). The rod (33) is provided with an external thread (34). The rod (33) passes through the first mounting hole (29) and the second mounting hole (31). The external thread (34) is screw-fitted with the second mounting hole (31). The side of the head (32) facing the transition piece (26) and the side of the transition piece (26) facing away from the terminal body (28) are blocked.

3. The terminal assembly according to claim 1, characterized in that, The cable (25) is made of aluminum busbar, and the transition piece (26) is made of copper busbar.

4. A charging socket, characterized in that, The device includes a housing (1), an end cap (3), and a terminal assembly (14) according to any one of claims 1 to 3. The housing (1) has a mounting cavity (16) inside. The housing (1) includes a first housing part (2) and a second housing part (6) that are perpendicular to each other. The first housing part (2) has a first through hole (35) communicating with the mounting cavity (16). The second housing part (6) has a second through hole (9) communicating with the mounting cavity (16). The cable (25) extends into the mounting cavity (16) through the first through hole (35), and the terminal body (28) extends into the mounting cavity (16) through the second through hole (9). The first housing part (2) is provided with an opening (10) communicating with the mounting cavity (16). The opening (10) is directly opposite the second through hole (9). The end cap (3) is detachably connected to the outer shell (1). The end cap (3) is used to block the opening (10).

5. The charging socket according to claim 4, characterized in that, The terminal assembly (14) is provided in two parts, namely a positive terminal assembly and a negative terminal assembly, and the positive terminal assembly and the negative terminal assembly are arranged at intervals.

6. The charging socket according to claim 5, characterized in that, The charging socket also includes a bracket (19), which is located in the mounting cavity (16) of the first housing part (2). The bracket (19) is connected to the first housing part (2). The bracket (19) is provided with a first through hole (23) and a second through hole (24) extending in a first direction. The cable (25) in the positive terminal sub-assembly passes through the first through hole (23), and the cable (25) in the negative terminal sub-assembly passes through the second through hole (24).

7. The charging socket according to claim 6, characterized in that, The bracket (19) is provided with an elastic arm (22). The end of the elastic arm (22) near the second housing part (6) is connected to the bracket (19). The distance between the end of the elastic arm (22) near the second housing part (6) and the cable (25) is less than the distance between the end of the elastic arm (22) away from the second housing part (6) and the cable (25). The second housing part (6) has a slot (17) on the inner wall of the mounting cavity (16), and the elastic arm (22) engages with the slot (17).

8. The charging socket according to claim 7, characterized in that, The first housing part (2) has a guide block (18) extending along the first direction on the inner wall of the cavity, and the bracket (19) has a guide groove (20) extending along the first direction on the outer peripheral surface. The opening (10) of the guide groove (20) is located at one end of the bracket (19) near the second housing part (6), and the guide block (18) is guided and assembled in the guide groove (20).

9. The charging socket according to claim 4, characterized in that, The charging socket also includes a sealing plug (12), which is inserted into the opening (10).

10. The charging socket according to claim 4, characterized in that, The first housing part (2) and the second housing part (6) are detachably connected.

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