Electric vehicle connector

Abstract

The utility model relates to an electric vehicle connector. The technical problem to be solved by the utility model is to provide the electric vehicle connector. According to the technical scheme, the connector comprises a connector female seat and a connector male seat assembly, the connector male seat assembly comprises a connector male seat, a lower lock assembly and an unlocking spring, a male seat insertion cavity is formed in the connector male seat, the connector male seat is provided with a lower lock seat body below the male seat insertion cavity, and the lower lock seat body is connected with the lower lock seat assembly. A male seat lower lock groove is formed in the lower lock seat body, a lower lock seat body through hole is formed in the bottom of the male seat lower lock groove, male seat butt joint blocks are arranged in the male seat insertion cavity at intervals, and a male seat elastic clamping hook is arranged above the male seat insertion cavity. Compared with the prior art, the connector has the advantages that the bayonet of the clamping hook is matched with the clamping block of the female seat to realize primary locking, and the lock head of the lower lock rod is inserted into the lower lock hole of the female seat to form secondary locking, so that the connector has upper and lower locking functions, is effectively prevented from accidentally loosening or falling off, and is high in connection reliability.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to an electric vehicle connector. Background Technology

[0002] Electric vehicle connectors are core components used to realize high-voltage circuits or signal transmission in electric vehicles. Existing electric vehicle connectors include a female connector and a male connector that mates with the female connector. The male and female connectors are only connected and locked by a hook and latch structure. During long-term frequent insertion and removal processes and under the influence of external vibrations, the hooks will fatigue and wear, the locking force will decrease, and the connection will easily become loose, the lock will not be secure, and the connector will fall off. This issue needs to be addressed and optimized. Utility Model Content

[0003] To address the aforementioned problems, the present invention aims to provide an electric vehicle connector.

[0004] The technical solution adopted by this utility model electric vehicle connector is as follows: It includes a connector female socket and a connector male socket assembly. The connector male socket assembly comprises a connector male socket, a lower locking assembly, and an unlocking spring. The connector male socket has a male socket mating cavity for mating with the connector female socket. Below the male socket mating cavity, the connector male socket has a lower locking body. The lower locking body has a male socket lower locking groove communicating with the male socket mating cavity. The bottom of the lower locking groove has a lower locking body through hole. The male socket mating cavity has male socket mating blocks spaced apart for inserting male terminals. Above the male socket mating cavity is a pressable male socket elastic hook with a hook slot. The lower locking assembly includes a lower locking rod and a lower locking end cap. The connector includes a lower locking rod head placed in the lower locking groove of the male connector and a lower locking rod body passing through the through hole of the lower locking seat. The lower locking end cap is detachably installed at the bottom of the lower locking rod. The unlocking spring is sleeved on the lower locking rod body, with one end abutting the bottom of the lower locking rod head and the other end abutting the lower locking groove of the male connector. The female connector has a female connector cavity covering the male connector mating block. The female connector cavity has female connector mating blocks spaced apart for female terminals to be inserted and corresponding one-to-one with the male connector mating blocks. Above the female connector cavity is a female connector locking block corresponding to the locking hook. Below the female connector cavity is a female connector lower locking hole for locking the lower locking rod head.

[0005] The female connector cavity is provided with hook limiting blocks on both sides of the female connector block above the female connector cavity, and the male connector insertion cavity is provided with a limiting block placement entrance above the male connector insertion cavity. The hook limiting blocks are inserted into the limiting block placement entrance and placed on both sides of the male connector elastic hook.

[0006] The female connector cavity is provided with a female positioning protrusion above it, and the male connector cavity is provided with a male positioning groove corresponding to the female positioning protrusion.

[0007] The upper end of the lower locking rod is provided with a tapered part that facilitates quick locking of the lower locking rod.

[0008] The lower lock end cap is provided with an end cap cover groove covering the lower lock seat body, and the end cap cover groove is provided with an inner recessed groove for docking the bottom of the lower lock rod.

[0009] The lower end of the lower locking rod has a locking protrusion on its outer wall, and the inner groove of the end cap has an inner groove that engages with the locking protrusion of the lower locking rod.

[0010] The advantages of this electric vehicle connector are as follows: the hook and the female seat block cooperate to achieve initial locking, and the lower locking rod head is inserted into the lower locking hole of the female seat to form a second locking, so that the connector has double locking. Even if the locking force of the hook decreases due to frequent insertion and removal or vibration, the lower locking component can still keep the connector stably locked, preventing accidental loosening or falling off. The connection reliability is high and the safety of use is greatly improved. Attached Figure Description

[0011] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is an exploded view of the electric vehicle connector of this utility model;

[0013] Figure 2 This is an exploded view of the connector male socket assembly of this utility model;

[0014] Figure 3 This is a front structural diagram of the male connector socket of this utility model;

[0015] Figure 4 This is a schematic diagram of the back structure of the male connector of this utility model;

[0016] Figure 5 This is an exploded view of the locking component of this utility model;

[0017] Figure 6 This is a schematic diagram of the lower locking rod of this utility model;

[0018] Figure 7 This is a schematic diagram of the connector female socket of this utility model;

[0019] Figure 8 This is a schematic diagram of the structure of the lower locking end cap of this utility model. Detailed Implementation

[0020] like Figure 1-8As shown, the electric vehicle connector of this utility model includes a female connector 1 and a male connector assembly 2. The male connector assembly 2 includes a male connector 4, a lower locking assembly 5, and an unlocking spring 6. The male connector 4 has a male connector mating cavity 8 that mates with the female connector 1. The male connector 4 has a lower locking body 9 below the male connector mating cavity 8. The lower locking body 9 has a male connector lower locking groove 10 that communicates with the male connector mating cavity 8. The bottom of the male connector lower locking groove 10 has a lower locking body through hole 14. A male connector block 11 for inserting male terminals is provided in the cavity 8. A pressable elastic hook 12 is provided above the male connector cavity 8, and the elastic hook 12 has a hook slot 13. The lower locking assembly 5 includes a lower locking rod 16 and a lower locking end cap 17. The lower locking rod 16 includes a lower locking rod head 18 placed in the lower locking groove 10 of the male connector and a lower locking rod body 19 passing through the through hole 14 of the lower locking seat. The lower locking end cap 17 is detachably installed at the bottom of the lower locking rod 16. The unlocking spring 6 is sleeved on the... On the lower locking rod body 19, one end abuts against the bottom of the lower locking rod lock head 18 and the other end abuts against the male connector lower locking groove 10. The connector female connector 1 has a female connector mating cavity 21 covering the male connector mating block 11. The female connector mating cavity 21 has female connector mating blocks 22 spaced apart for inserting female terminals and corresponding one-to-one with the male connector mating blocks 11. Above the female connector mating cavity 21 is a female connector locking block 24 corresponding to the hook locking slot 13. Below the female connector mating cavity 21 is a locking mechanism for the lower locking rod lock head 18. The locking assembly 5 is initially locked under the action of the unlocking spring 6 in the lower locking hole 23 of the female connector. When the female connector 1 is inserted, the lower locking rod 16 needs to be pulled down to unlock. The hook 13 cooperates with the female connector block 24 to achieve initial locking. The locking head 18 of the lower locking rod is inserted into the lower locking hole 23 of the female connector to form a second locking. This makes the connector have double locking from top to bottom. Even if the locking force of the hook decreases due to frequent insertion and removal or vibration, the lower locking assembly can still keep the connector stably locked, preventing accidental loosening or falling off. The connection reliability is high and the safety of use is greatly improved.

[0021] The female connector cavity 21 is provided with hook limiting blocks 26 on both sides of the female connector locking block 24. The male connector insertion cavity 8 is provided with a limiting block placement entrance 27. The hook limiting blocks 26 are inserted into the limiting block placement entrance 27 and placed on both sides of the male connector elastic hook 12, limiting the swing range of the male connector elastic hook 12, further reducing the impact of vibration on the male connector elastic hook 12, and effectively strengthening the firmness and reliability of the locking.

[0022] The female connector cavity 21 is also provided with a female connector positioning protrusion 28 above it, and the male connector insertion cavity 8 is provided with a male connector positioning groove 29 corresponding to the female connector positioning protrusion 28, to ensure accurate alignment during insertion.

[0023] The upper end of the lower locking rod lock head 18 is provided with a lock head tapered part 31 to facilitate the quick locking of the lower locking rod 16, and the lower locking process is smooth without jamming.

[0024] The lower locking end cap 17 is provided with an end cap cover groove 33 covering the lower locking seat 9, and the end cap cover groove 33 is provided with an end cap recessed groove 34 for docking the bottom of the lower locking rod 16.

[0025] The lower end of the lower locking rod 16 has a locking protrusion 35 on its outer wall, and the inner groove 34 of the end cover has an inner groove 36 that engages with the locking protrusion 35. This makes installation and disassembly convenient and facilitates future maintenance.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.

Claims

1. An electric vehicle connector comprising a connector female housing (1) and a connector male housing assembly (2), characterized in that: The connector male seat assembly (2) includes a connector male seat (4), a lower lock assembly (5) and an unlocking spring (6), the connector male seat (4) is provided with a male seat plug-in cavity (8) matched with the connector female seat (1), the connector male seat (4) is provided with a lower lock seat body (9) below the male seat plug-in cavity (8), the lower lock seat body (9) is provided with a male seat lower lock slot (10) communicated with the male seat plug-in cavity (8), the bottom of the male seat lower lock slot (10) is provided with a lower lock seat body through hole (14), the male seat plug-in cavity (8) is provided with a male seat plug-in block (11) for male terminal insertion at intervals, the male seat plug-in cavity (8) is provided with a male seat elastic clamping hook (12) which can be pressed, the male seat elastic clamping hook (12) is provided with a clamping hook mouth (13), the lower lock assembly (5) includes a lower lock rod (16) and a lower lock end cover (17), the lower lock rod (16) includes a lower lock rod lock head (18) placed in the male seat lower lock slot (10) and a lower lock rod rod body (19) penetrating through the lower lock seat body through hole (14), the lower lock end cover (17) is detachably mounted at the bottom of the lower lock rod (16), the unlocking spring (6) is sleeved on the lower lock rod rod body (19), one end of which abuts against the bottom of the lower lock rod lock head (18) and the other end of which abuts against the male seat lower lock slot (10), the connector female seat (1) is provided with a female seat plug-in cavity (21) covering the male seat plug-in block (11) outside, the female seat plug-in cavity (21) is provided with a female seat plug-in block (22) for female terminal insertion and corresponding to the male seat plug-in block (11) at intervals, the female seat plug-in cavity (21) is provided with a female seat clamping block (24) corresponding to the clamping hook mouth (13) above, and the female seat plug-in cavity (21) is provided with a female seat lower lock hole (23) for locking the lower lock rod lock head (18) below.

2. The electric vehicle connector of claim 1, wherein: The female seat plug-in cavity (21) is provided with a clamping hook limiting block (26) on both sides of the female seat clamping block (24) above, the male seat plug-in cavity (8) is provided with a limiting block placing entrance (27), the clamping hook limiting block (26) is inserted into the limiting block placing entrance (27) and placed on both sides of the male seat elastic clamping hook (12).

3. The electric vehicle connector of claim 1, wherein: The female seat plug-in cavity (21) is further provided with a female seat positioning protrusion (28) above, and the male seat plug-in cavity (8) is provided with a male seat positioning groove (29) corresponding to the female seat positioning protrusion (28).

4. The electric vehicle connector of claim 1, wherein: The lower lock rod lock head (18) is provided with a lock head tapered portion (31) at the upper end, facilitating quick locking of the lower lock rod (16).

5. The electric vehicle connector of claim 1, wherein: The lower lock end cover (17) is provided with an end cover covering groove (33) covering the lower lock seat body (9) inside, and the end cover covering groove (33) is provided with an end cover inner sunken groove (34) for butt joint of the bottom of the lower lock rod (16).

6. The electric vehicle connector of claim 5, wherein: The lower lock rod (16) is provided with a lower lock rod clamping convex edge (35) on the outer wall of the lower end, and the end cover inner sunken groove (34) is provided with an end cover inner clamping groove (36) clamped with the lower lock rod clamping convex edge (35).

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