Plug and connector

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a plug and a connector, which comprise a plug shell, a plug terminal, an external cable and a stop assembly, the plug shell is provided with a first mounting cavity, the plug terminal is mounted in the first mounting cavity, one end of the plug terminal is connected with the external cable, and the other end of the plug terminal is connected with the stop assembly. One end, far away from the plug terminal, of the external cable is exposed out of the plug shell, the other end of the plug terminal is a first plugging end, the first plugging end is provided with a plugging hole for plugging a socket terminal of the connector, the plug shell is provided with a first through hole which is communicated with the first mounting cavity and is used for plugging the socket terminal, and the first through hole directly faces the plugging hole; the length direction of the first through hole is perpendicular to the length direction of the plug terminal, and the stop assembly is used for preventing the first plugging end from moving towards and away from the first through hole. The shaking of the first plugging end in the plugging direction can be reduced in the plugging process of the plug and the socket, and the plug terminal is prevented from being disconnected from an external cable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to connector technical field especially, it relates to a plug and connector. BACKGROUND

[0002] The connector is extremely important element of new energy automobile, has the application on the car, charging facilities. The connector is composed of plug and socket, the terminal in the plug and the terminal in the socket are connected, realize the line passage.

[0003] The existing connector, including plug and socket, the plug includes plug shell, plug terminal and external cable, the plug terminal is installed in the plug shell, one end of the plug terminal is connected with the external cable, the end of the external cable away from the plug terminal is exposed to the plug shell, is used for being connected with electrical parts, the other end of the plug terminal is first plug end, the socket includes socket shell and socket terminal, the socket terminal is installed in the socket shell, one end of the socket terminal is exposed to the socket shell, is used for being connected with electrical parts, the other end of the socket terminal is second plug end, when the plug shell and the socket shell are plugged, the second plug end is plugged with the first plug end.

[0004] The length direction of the socket terminal is perpendicular to the length direction of the plug terminal, in the process of the socket and the plug being plugged, the socket terminal can force the plug terminal to shake along the length direction of the socket terminal, resulting in the disconnection of the plug terminal and the external cable. SUMMARY

[0005] The utility model relates to a plug and connector that solve the problem of the existing connector, in the process of the socket and the plug being plugged, the socket terminal can force the plug terminal to shake along the plug direction of the socket, resulting in the disconnection of the plug terminal and the external cable.

[0006] To solve the above technical problem, on the one hand, the utility model embodiment provides a kind of plug, including plug shell, plug terminal, external cable and stop component, the plug shell has first installation cavity, the plug terminal is installed in the first installation cavity, one end of the plug terminal is connected with the external cable, the end of the external cable away from the plug terminal is exposed to the plug shell, the other end of the plug terminal is first plug end, the first plug end is equipped with the plug hole for the socket terminal of connector being plugged, the first plug hole is equipped with the first perforation for the socket terminal being inserted on the plug shell, the first perforation is communicated with the first installation cavity and is opposite the plug hole, the length direction of the first perforation is perpendicular to the length direction of the plug terminal;

[0007] The stop component is used to prevent the first plug end from moving towards the first perforation.

[0008] Optionally, the stop component comprises a plug rubber core and a stop piece, the plug rubber core is installed in the first installation cavity, the plug rubber core is provided with a second installation cavity and a third installation cavity which are separated from each other, the third installation cavity is provided with a boss on the cavity top wall, the boss is provided with a counter plug slot, the counter plug slot is provided with a through hole which is communicated with the second installation cavity on the slot side wall;

[0009] The plug terminal is installed in the second installation cavity, the first plug end is inserted into the counter plug slot through the through hole, the side of the first plug end which is away from the first through hole is in contact with the slot bottom wall of the counter plug slot, the end of the counter plug slot which is away from the cavity top wall of the third installation cavity is provided with a second through hole for the socket terminal to be inserted into the counter plug slot, the second through hole is communicated with the first installation cavity and is opposite to the plug hole;

[0010] The stop piece is used to prevent the first plug end from moving towards the first through hole.

[0011] Optionally, the stop piece comprises a support part, a transition part and a plug part, the transition part is connected between the support part and the plug part, the third installation cavity is provided with a first guide slot on the cavity side wall, the plug part is plugged with the first guide slot, the side of the support part which is towards the first plug end is used to support the first plug end, the end of the boss which is close to the first through hole is provided with an avoiding slot for the transition part to be inserted.

[0012] Optionally, the stop piece further comprises a first stop structure, the first stop structure comprises a first stop block which is arranged on the side of the slot side wall of the first guide slot which is towards the plug part, the slot side wall of the first guide slot is provided with a second stop block;

[0013] The side of the second stop block which is away from the first through hole is a second stop surface, the side of the first stop block which is towards the first through hole is a first stop surface, the side of the first stop block which is away from the first through hole is a first guide inclined surface, the end of the first guide inclined surface which is close to the plug part is closer to the cavity top wall of the third installation cavity than the end of the first guide inclined surface which is away from the plug part;

[0014] The first stop surface and the second stop surface are in stop cooperation.

[0015] Optionally, the side of the second stop block which is towards the first through hole is a second guide inclined surface, the end of the second guide inclined surface which is close to the slot side wall of the first guide slot is farther away from the cavity top wall of the third installation cavity than the end of the second guide inclined surface which is away from the slot side wall of the first guide slot.

[0016] Optionally, the plug part is provided with a long slot hole which extends along the length direction of the first guide slot.

[0017] Optionally, the stop member further includes a guide block disposed on the side of the insertion portion facing the bottom wall of the first guide groove, and the bottom wall of the first guide groove is provided with a holding hole;

[0018] The guide block is inserted into the holding hole.

[0019] Optionally, the side of the guide block facing away from the first through hole is a third guide slope, and the end of the third guide slope closer to the plug is closer to the top wall of the third mounting cavity than the end of the third guide slope farther from the plug.

[0020] Optionally, a second guide groove is also provided on the bottom wall of the first guide groove. The second guide groove is closer to the first through hole than the holding hole. A fourth guide slope is provided on the bottom wall of the second guide groove. The end of the fourth guide slope near the holding hole is closer to the insertion part than the end of the fourth guide slope away from the holding hole.

[0021] According to the plug of this utility model embodiment, the length direction of the first through hole is perpendicular to the length direction of the plug terminal. The blocking component can prevent the first plug end of the plug terminal from moving towards and away from the first through hole, thereby fixing the first plug end in the plug housing. Compared with the prior art, it can reduce the shaking of the first plug end along the plugging direction during the plug-socket connection process and prevent the plug terminal from disconnecting from the external cable.

[0022] On the other hand, this utility model embodiment provides a connector, including a socket and the aforementioned plug, wherein the socket includes socket terminals, and the socket terminals are sequentially inserted into the insertion hole via the first through hole and the second through hole. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the connector structure provided in an embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure of the middle socket;

[0025] Figure 3 This is a schematic diagram of the structure of a plug provided in an embodiment of the present invention;

[0026] Figure 4 for Figure 3 A schematic diagram of the decomposition process;

[0027] Figure 5 for Figure 4 Assembly diagram of the plug core, plug terminals and stop;

[0028] Figure 6 For Figure 5 Structure diagram of the plug rubber core;

[0029] Figure 7 For Figure 5 Structure diagram of the stopper.

[0030] The reference signs in the description are as follows: 1, socket; 2, socket terminal; 3, plug; 4, plug shell; 5, external cable; 6, first installation cavity; 7, first through hole; 8, plug terminal; 9, first plug-in end; 10, plug-in hole; 11, plug rubber core; 12, second installation cavity; 13, third installation cavity; 14, through hole; 15, boss; 16, counter plug groove; 17, second through hole; 18, avoiding groove; 19, first guide groove; 20, second stop block; 21, second stop surface; 22, second guide inclined surface; 23, second guide groove; 24, fourth guide inclined surface; 25, containing hole; 26, stopper; 27, plug-in part; 28, first stop block; 29, first stop surface; 30, first guide inclined surface; 31, guide block; 32, third guide inclined surface; 33, transition part; 34, support part; 35, upper cover; 36, signal spring piece; 37, plug shielding cover; 38, plug sealing ring; 39, plug handle; 40, locking block; 41, riveting outer ring; 42, riveting inner ring; 43, back baffle; 44, tail end waterproof ring; 45, plug tail clamp; 46, tail cover; 47, long hole. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0032] As Figures 3 to 7 shown, an embodiment of the utility model provides a kind of plug 3, including plug shell 4, plug terminal 8, external cable 5 and stopper assembly, the plug shell 4 has first installation cavity 6, the plug terminal 8 is installed in the first installation cavity 6, one end of the plug terminal 8 is connected with the external cable 5, the external cable 5 is exposed to the plug shell 4 with the end of the plug terminal 8, the other end of the plug terminal 8 is first plug-in end 9, first plug-in end 9 is equipped with the plug-in hole 10 of the socket terminal 2 of connector for insertion, the plug shell 4 is equipped with the first through hole 7 for the insertion of the socket terminal 2, the first through hole 7 is communicated with the first installation cavity 6 and is opposite the plug-in hole 10, the length direction of the first through hole 7 is perpendicular to the length direction of the plug terminal.

[0033] The stop component is used to prevent the first plug-in end 9 from moving towards or away from the first through hole 7.

[0034] Specifically, the plug-in direction of the connector is consistent with the length direction of the socket terminal 2, that is, the length direction of the socket terminal 2 is perpendicular to the length direction of the plug terminal 8, the length direction of the plug terminal 8 is perpendicular to the plug-in direction of the socket 1 and the plug 3, the length direction of the first through hole 7 is perpendicular to the length direction of the plug terminal 8, and in the process of plugging the socket terminal 2 of the socket 1 into the plug-in hole 10 of the plug terminal 8, the stop component can prevent the first plug-in end 9 of the plug terminal 8 from moving towards or away from the first through hole 7, thereby fixing the first plug-in end 9 in the plug housing 4, reducing the shaking of the first plug-in end 9 in the plug-in direction during the plug-in process of the plug 3 and the socket 1, and avoiding the disconnection of the plug terminal 8 and the external cable 5.

[0035] In an embodiment, the stop component includes a plug rubber core 11 and a stop piece 26, the plug rubber core 11 is installed in the first installation cavity 6, the plug rubber core 11 is provided with a second installation cavity 12 and a third installation cavity 13 which are separated from each other, the third installation cavity 13 is provided with a boss 15 on the cavity top wall, the boss 15 is provided with a counter plug slot 16, and the counter plug slot 16 is provided with a through hole 14 which communicates with the second installation cavity 12.

[0036] The plug terminal 8 is installed in the second installation cavity 12, the first plug-in end 9 is inserted into the counter plug slot 16 through the through hole 14, the side of the first plug-in end 9 away from the first through hole 7 is in contact with the slot bottom wall of the counter plug slot 16, one end of the counter plug slot 16 away from the cavity top wall of the third installation cavity 13 is provided with a second through hole 17 for the socket terminal 2 to be inserted into the counter plug slot 16, the second through hole 17 communicates with the first installation cavity 6 and is opposite to the plug-in hole 10, and the stop piece 26 is used to prevent the first plug-in end 9 from moving towards the first through hole 7.

[0037] The stop piece 26 includes a support part 34, a transition part 33 and a plug-in part 27, the transition part 33 is connected between the support part 34 and the plug-in part 27, the third installation cavity 13 is provided with a first guide slot 19 on the cavity side wall, the plug-in part 27 is plugged into the first guide slot 19, the side of the support part 34 towards the first plug-in end 9 is used to support the first plug-in end 9, and one end of the boss 15 close to the first through hole 7 is provided with an avoidance slot 18 for the transition part 33 to be inserted.

[0038] Specifically, the boss 15 is arranged on the cavity top wall of the second mounting cavity 12, the counter slot 16 is arranged in the boss 15, the through hole 14 is arranged between the counter slot 16 and the second mounting cavity 12, the plug terminal 8 is arranged in the second mounting cavity 12, the first plug-in end 9 of the plug terminal 8 is inserted into the counter slot 16 through the through hole 14, so that the plug-in hole 10 on the first plug-in end 9 is located in the counter slot 16, when the socket 1 is plugged, the socket terminal 2 enters the counter slot 16 through the first perforation 7 and the second perforation 17, and then is plugged into the plug-in hole 10, so that the connection between the socket terminal 2 and the plug terminal 8 is realized.

[0039] The first guide slot 19 is arranged on the cavity bottom wall of the third mounting cavity 13, the transition part 33 of the stop piece 26 is connected between the plug-in part 27 and the support part 34, when plugging, the plug-in part 27 is plugged into the first guide slot 19 from bottom to top, the transition part 33 is clamped into the avoiding slot 18 of the boss 15 away from the one end edge of the cavity top wall of the third mounting cavity 13, so that the transition part 33 is arranged on the boss 15, when the plug-in part 27 is inserted into the first guide slot 19, the support part 34 moves towards the first plug-in end 9, when the plug-in part 27 is plugged in place, the support part 34 is supported on the bottom end of the first plug-in end 9 of the plug terminal 8, the top end of the first plug-in end 9 of the plug terminal 8 is in contact with the slot bottom wall of the counter slot 16, so that the first plug-in end 9 is limited in the plugging direction of the socket 1 and the plug 3, and the shaking of the first plug-in end 9 is avoided.

[0040] In an embodiment, the stop piece 26 further comprises a first stop structure, and the first stop structure is used for preventing the stop piece 26 from moving towards the first perforation 7.

[0041] The first stop structure comprises a first stop block 28 arranged on one side of the plug-in part 27 towards the slot side wall of the first guide slot 19, and the slot side wall of the first guide slot 19 is provided with a second stop block 20.

[0042] The side of the second stop block 20 away from the first perforation 7 is a second stop surface 21, the side of the first stop block 28 towards the first perforation 7 is a first stop surface 29, the side of the first stop block 28 away from the first perforation 7 is a first guide inclined surface 30, the distance between the one end of the first guide inclined surface 30 close to the plug-in part 27 and the cavity top wall of the third mounting cavity 13 is closer than the distance between the other end of the first guide inclined surface 30 away from the plug-in part 27 and the cavity top wall of the third mounting cavity 13, and the first stop surface 29 and the second stop surface 21 are in stop cooperation.

[0043] Specifically, the first stop block 28 is provided with the first guide slope 30 on the side facing away from the first through hole 7, and the first guide slope 30 can guide the first stop block 28 to pass the second stop block 20, so that the first stop surface 29 is in stop cooperation with the second stop surface 21.

[0044] In an embodiment, the second stop block 20 is provided with the second guide slope 22 on the side facing the first through hole 7, and the distance between the second guide slope 22 and the cavity top wall of the third mounting cavity 13 is farther than that between the end of the second guide slope 22 close to the slot side wall of the first guide slot 19 and the end of the second guide slope 22 away from the slot side wall of the first guide slot 19.

[0045] Specifically, the second stop block 20 is provided with the second guide slope 22 on the side facing the first through hole 7, and the second guide slope 22 cooperates with the first guide slope 30 during the insertion of the insertion part 27 into the first guide slot 19, and the second guide slope 22 guides the first guide slope 30 to pass the second stop block 20. The provision of the second guide slope 22 facilitates the first stop block 28 to pass the second stop block 20 and facilitates the insertion of the insertion part 27 into the first guide slot 19.

[0046] In an embodiment, the insertion part 27 is provided with an elongated hole 47 extending along the length direction of the first guide slot 19. Specifically, the elongated hole 47 extends along the length direction of the first guide slot 19, i.e. the direction in which the insertion part 27 is inserted into the first guide slot 19. When the insertion part 27 is inserted, the provision of the elongated hole 47 allows the first stop block 28 to move away from the second stop block 20 on the side of the insertion part 27 facing the second stop block 20, thereby improving the smoothness of the insertion of the insertion part 27.

[0047] In an embodiment, the stop piece 26 further comprises a guide block 31 provided on the side of the insertion part 27 facing the slot bottom wall of the first guide slot 19, and the slot bottom wall of the first guide slot 19 is provided with a containing hole 25, and the guide block 31 is inserted into the containing hole 25.

[0048] The side of the guide block 31 facing away from the first through hole 7 is provided with a third guide slope 32, and the distance between the third guide slope 32 and the cavity top wall of the third mounting cavity 13 is closer than that between the end of the third guide slope 32 close to the insertion part 27 and the end of the third guide slope 32 away from the insertion part 27.

[0049] Specifically, the third guide slope 32 is arranged on the side of the guide block 31 away from the first through hole 7, and the third guide slope 32 is in contact with the bottom wall of the first guide groove 19 during the insertion of the insertion part 27 into the first guide groove 19. The arrangement of the third guide slope 32 can force the insertion part 27 to deform in a direction away from the bottom wall of the first guide groove 19, which is beneficial to the insertion of the guide block 31 into the containing hole 25.

[0050] The bottom wall of the first guide groove 19 is further provided with a second guide groove 23, the second guide groove 23 is closer to the first through hole 7 than the containing hole 25, and the bottom wall of the second guide groove 23 is provided with a fourth guide slope 24, the end of the fourth guide slope 24 close to the containing hole 25 is closer to the insertion part 27 than the end of the fourth guide slope 24 away from the containing hole 25.

[0051] Specifically, the bottom of the second guide groove 23 is located along the hole of the second through hole 17, and the fourth guide slope 24 is arranged on the bottom wall of the second guide groove 23. During the insertion of the insertion part 27 into the insertion groove, the fourth guide slope 24 can cooperate with the third guide slope 32 to guide the insertion of the guide block 31 into the containing hole 25, the second guide groove 23 guides the movement of the guide block 31, thereby guiding the insertion of the insertion part 27 into the insertion groove. In this embodiment, the length of the containing hole 25 is greater than the length of the guide block 31.

[0052] In an embodiment, the first stop surface 29 is a slope surface symmetrical about the center line of the first stop block 28 with the first guide slope 30, and the second stop surface 21 is a slope surface symmetrical about the center line of the second stop block 20 with the second guide slope 22. When the insertion part 27 is pulled out of the first guide groove 19, the first stop surface 29 cooperates with the second stop surface 21 to guide the first stop block 28 to pass the second stop block 20 in a direction close to the first through hole 7, which is beneficial to the disassembly.

[0053] In an embodiment, the plug 3 further comprises an upper cover 35, a plug handle 39, a locking block 40, a plug sealing ring 38, a plug shielding cover 37, a plug rubber core 11, a riveting outer ring 41, a riveting inner ring 42, a rear baffle 43, a tail waterproof ring 44, a plug tail clamp 45, a tail cover 46 and a signal spring 36, the upper cover 35 is installed on the shell, the plug sealing ring 38 is installed in the groove at the front end of the plug shell 4, the signal spring 36 is installed in the plug slot of the plug rubber core 11, one end of the external cable 5 is welded and fixed with the plug terminal 8, the other end of the external cable 5 is exposed to the plug shell 4, the riveting inner ring 42 is sleeved on the external cable 5, the riveting outer ring 41 is sleeved on the riveting inner ring 42, the riveting inner ring 42 and the riveting inner ring 42 are pressed on the external cable 5 by riveting, the plug rubber core 11 is inserted in the plug shielding cover 37, the plug terminal 8 is inserted in the plug rubber core 11 from back to front, the plug rubber core 11 and the plug 3 shielding are inserted into the first installation cavity 6 of the plug shell 4, and finally the plug tail clamp 45, the tail waterproof ring 44 and the tail cover 46 are installed at the rear end of the plug shell 4.

[0054] The plug 3 of the embodiment of the utility model, the working principle is as follows: when installing, the plug-in part 27 is plugged in the first guide slot 19, in the process of plugging, the guide block 31 is guided and matched with the second guide slot 23, the plug-in is gradually inserted into the first guide slot 19, so that the first stop block 28 is over the second stop block 20, the first stop surface 29 is matched with the second stop surface 21, the transition part 33 is clamped into the avoiding slot 18, the transition part 33 is clamped into the avoiding slot 18 of the one end edge of the cavity top wall of the boss 15 away from the third installation cavity 13, so that the transition part 33 is erected on the boss 15, while the plug-in part 27 is inserted into the first guide slot 19, the supporting part 34 moves towards the first plug-in end 9, when the plug-in part 27 is plugged in place, the supporting part 34 is supported at the bottom end of the first plug-in end 9 sub 8, the top end of the first plug-in end 9 sub 8 is in contact with the groove bottom wall of the counter plug slot 16, so that the first plug-in end 9 is limited in the plug-in direction of the socket 1 and the plug 3, avoiding the first plug-in end 9 from shaking.

[0055] The plug 3 of the embodiment of the utility model, the length direction of the first perforation 7 is perpendicular to the length direction of the plug terminal 8, the stop assembly can prevent the first plug-in end 9 of the plug terminal 8 from moving towards the direction close to and away from the first perforation 7, so as to fix the first plug-in end 9 in the plug shell 4, compared with the prior art, the shaking of the first plug-in end 9 in the plug-in direction can be reduced in the process of plugging the plug 3 and the socket 1, avoiding the plug terminal 8 from being disconnected with the external cable 5.

[0056] In other embodiments, the length of the containing hole 25 is consistent with the length of the guide block 31.

[0057] In addition, as Figure 1As shown, the utility model discloses a connector, including as Figure 2 As shown, the socket 1 and the plug 3, the socket 1 includes socket terminal 2, socket terminal 2 is in turn with the first perforation 7 and second perforation 17 with the plug hole 10 is plugged.

[0058] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plug, characterized in that The plug shell (4) has a first installation cavity (6), the plug terminal (8) is installed in the first installation cavity (6), one end of the plug terminal (8) is connected with the external cable (5), the external cable (5) is exposed to the plug shell (4) away from the plug terminal (8), the other end of the plug terminal (8) is a first plug end (9), the first plug end (9) is provided with a plug hole (10) for the socket terminal (2) of the connector to plug, the plug shell (4) is provided with a first through hole (7) for the socket terminal (2) to insert, the first through hole (7) is communicated with the first installation cavity (6) and is opposite to the plug hole (10), the length direction of the first through hole (7) is perpendicular to the length direction of the plug terminal (8); The stop component is used for preventing the first plug end (9) from moving towards the first through hole (7).

2. The plug of claim 1, wherein, The stop component includes a plug rubber core (11) and a stop piece (26), the plug rubber core (11) is installed in the first installation cavity (6), the plug rubber core (11) is provided with a second installation cavity (12) and a third installation cavity (13) separated from each other, the third installation cavity (13) is provided with a boss (15) on the cavity top wall, the boss (15) is provided with a counter plug groove (16), the counter plug groove (16) is provided with a through hole (14) communicated with the second installation cavity (12) on the groove side wall; The plug terminal (8) is installed in the second installation cavity (12), the first plug end (9) is inserted into the counter plug groove (16) through the through hole (14), the side of the first plug end (9) away from the first through hole (7) is in contact with the groove bottom wall of the counter plug groove (16), one end of the counter plug groove (16) away from the cavity top wall of the third installation cavity (13) is provided with a second through hole (17) for the socket terminal (2) to insert into the counter plug groove (16), the second through hole (17) is communicated with the first installation cavity (6) and is opposite to the plug hole (10); The stop piece (26) is used for preventing the first plug end (9) from moving towards the first through hole (7).

3. The plug of claim 2, wherein, The stop piece (26) includes a support part (34), a transition part (33) and a plug part (27), the transition part (33) is connected between the support part (34) and the plug part (27), the third installation cavity (13) is provided with a first guide groove (19) on the cavity side wall, the plug part (27) is plugged with the first guide groove (19), the side of the support part (34) towards the first plug end (9) is used for supporting the first plug end (9), one end of the boss (15) close to the first through hole (7) is provided with an avoiding groove (18) for the transition part (33) to insert.

4. The plug of claim 3, wherein, The stop piece (26) further comprises a first stop structure, which comprises a first stop block (28) arranged on one side of the slot side wall of the first guide slot (19) towards the insertion part (27), and a second stop block (20) arranged on the slot side wall of the first guide slot (19); The second stop block (20) is provided with a second stop surface (21) on the side away from the first through hole (7), the first stop block (28) is provided with a first stop surface (29) on the side towards the first through hole (7), and the first stop block (28) is provided with a first guide inclined surface (30) on the side away from the first through hole (7), wherein the distance between one end of the first guide inclined surface (30) close to the insertion part (27) and the cavity top wall of the third mounting cavity (13) is closer than the distance between the other end of the first guide inclined surface (30) away from the insertion part (27) and the cavity top wall of the third mounting cavity (13). The first stop surface (29) and the second stop surface (21) are in stop cooperation.

5. The plug of claim 4, wherein, The second stop block (20) is provided with a second guide inclined surface (22) on the side towards the first through hole (7), and the distance between one end of the second guide inclined surface (22) close to the slot side wall of the first guide slot (19) and the cavity top wall of the third mounting cavity (13) is farther than the distance between the other end of the second guide inclined surface (22) away from the slot side wall of the first guide slot (19) and the cavity top wall of the third mounting cavity (13).

6. The plug of claim 4, wherein, The insertion part (27) is provided with an elongated hole (47) extending along the length direction of the first guide slot (19).

7. The plug of claim 3, wherein, The stop piece (26) further comprises a guide block (31) arranged on one side of the slot bottom wall of the first guide slot (19) towards the insertion part (27), and the slot bottom wall of the first guide slot (19) is provided with a containing hole (25); The guide block (31) is inserted into the containing hole (25).

8. The plug of claim 7, wherein, The guide block (31) is provided with a third guide inclined surface (32) on the side away from the first through hole (7), and the distance between one end of the third guide inclined surface (32) close to the insertion part (27) and the cavity top wall of the third mounting cavity (13) is closer than the distance between the other end of the third guide inclined surface (32) away from the insertion part (27) and the cavity top wall of the third mounting cavity (13).

9. The plug of claim 8, wherein, The slot bottom wall of the first guide slot (19) is further provided with a second guide slot (23), the second guide slot (23) is closer to the first through hole (7) than the containing hole (25), the slot bottom wall of the second guide slot (23) is provided with a fourth guide inclined surface (24), and the distance between one end of the fourth guide inclined surface (24) close to the containing hole (25) and the insertion part (27) is closer than the distance between the other end of the fourth guide inclined surface (24) away from the containing hole (25) and the insertion part (27).

10. A connector characterized by comprising: The plug comprises a socket (1) and the plug of any one of claims 1 to 9, and the socket (1) comprises a socket terminal (2) which is inserted into the insertion hole (10) through the first through hole (7) and the second through hole (17) in sequence.

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