Connector with built-in terminal secondary locking structure

Abstract

The utility model discloses a connector with a built-in terminal secondary locking structure. According to the technical scheme, the connector comprises a connector plug and a connector socket which are matched in an inserted mode, the connector plug comprises a plug shell, a plug rubber core arranged in the plug shell and a power female terminal arranged in the plug rubber core, and the connector socket comprises a socket shell and a power male terminal arranged in the socket shell. A first plug bush is arranged at the front end of the power female terminal, the power female terminal is clamped with a first clamping table in the plug shell through first locking buckles on the two sides of the first plug bush, a first elastic hook connected to the end of the first plug bush in a hanging mode is further arranged in the plug shell, a second plug bush is arranged at the front end of the power male terminal, and a second elastic hook connected to the end of the second plug bush in a hanging mode is further arranged in the plug shell. And the second plug bush is clamped with a second clamping table in the socket shell through second locking buckles on the two sides of the second plug bush, and a second elastic hook hung on the end part of the second plug bush is arranged in the socket shell.

Description

Technical Field

[0001] The utility model belongs to the field of new energy vehicle connectors, and in particular relates to a 2-core low-current connector. Background Art

[0002] The structure of a traditional 2-core low-current connector includes: a plug-in connector plug and a connector socket, the connector plug includes a plug housing, a plug rubber core disposed in the plug housing, and two power female terminals disposed in the plug rubber core, and the connector socket includes a socket housing and two power male terminals disposed in the socket housing. Among them, the power female terminal and the power male terminal are usually stamped parts, and the circuit is connected by plugging the power female terminal and the power male terminal. The disadvantages of the traditional 2-core low-current connector are: the power terminal has no locking mechanism, there is a risk of needle withdrawal, the signal terminal has no secondary locking function, the contact is unstable, and there is a risk of needle withdrawal. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a connector with a built-in terminal secondary locking structure.

[0004] In order to solve the above problems, the technical solution adopted by the utility model includes: a connector plug and a connector socket for plug-in matching, the connector plug includes a plug housing, a plug rubber core arranged in the plug housing and a power female terminal arranged in the plug rubber core, the connector socket includes a socket housing and a power male terminal arranged in the socket housing, characterized in that: a first socket is provided at the front end of the power female terminal, which is clamped with a first card platform in the plug housing through first locking buckles on both sides of the first socket, and a first elastic hook hung on the end of the first socket is also provided in the plug housing, and a second socket is provided at the front end of the power male terminal, which is clamped with a second card platform in the socket housing through second locking buckles on both sides of the second socket, and a second elastic hook hung on the end of the second socket is provided in the socket housing.

[0005] The connector with a built-in terminal secondary locking structure is characterized in that: two signal female terminals are installed in the socket shell through an interlocking rubber core, a third socket is provided at the front end of the signal female terminal, and the third locking buckle on one side of the third socket is clamped with the third clamping platform in the interlocking rubber core, the interlocking rubber core is clamped with the socket shell through the fourth locking buckle at the front end, and eight-shaped elastic arms are provided on both sides of the interlocking rubber core, and a secondary locking part is provided on the elastic arm. After the interlocking rubber core is installed in the socket shell, the elastic arm is squeezed so that the secondary locking part is against the rear end of the third socket.

[0006] The connector with a built-in terminal secondary locking structure is characterized in that a sheet-type signal male terminal short-circuited with the two signal female terminals is crimped into the plug housing.

[0007] The connector with a built-in terminal secondary locking structure is characterized in that: the outer wall of the plug rubber core is provided with a plug shielding cover, and the rear end is provided with a shielding ring inner sleeve and a shielding ring outer sleeve.

[0008] The connector with a built-in terminal secondary locking structure is characterized in that a sealing body and a tail cover are provided at the tail of the plug rubber core.

[0009] The connector with a built-in terminal secondary locking structure is characterized in that a socket shielding cover is provided inside the socket housing.

[0010] The connector with a built-in terminal secondary locking structure is characterized in that a CPA buckle is provided on the plug housing.

[0011] The connector with a built-in terminal secondary locking structure is characterized in that a flange sealing ring and a bushing are provided on the mounting flange of the socket housing.

[0012] The connector with a built-in terminal secondary locking structure is characterized in that an interface sealing ring is provided at the front end of the plug rubber core.

[0013] The connector with a built-in terminal secondary locking structure is characterized in that the plug rubber core is hung with the plug housing via a third elastic hook at the rear end.

[0014] The connector with a built-in terminal secondary locking structure has the following advantages:

[0015] 1. Add a terminal locking structure (PLR) inside the housing to strengthen the fixation of the power terminal and prevent the pin from being withdrawn;

[0016] 2. The interlocking rubber core has a secondary lock structure to strengthen the fixation of the signal terminal and prevent the pin from being pulled out. Compared with the traditional secondary lock structure, it reduces the number of parts, simplifies the structure of the connector, and reduces costs;

[0017] 4. Interlocking uses sheet-type signal male terminals, which do not require riveting and short-circuiting, thereby improving transmission efficiency and reducing costs;

[0018] 5. The shielding contact points of the plug and socket are increased to make the whole circle in contact, thus improving the shielding effect.

[0019] The utility model is further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an exploded view of the connector plug of the utility model;

[0021] Figure 2 , Figure 3 It is a view of the connector plug of the utility model at different angles;

[0022] Figure 4 yes Figure 2 A magnified image of point A;

[0023] Figure 5 yes Figure 3 The enlarged view of point B;

[0024] Figure 6 It is an exploded view of the connector socket of the utility model;

[0025] Figure 7 , Figure 8 It is a view of the connector socket of the utility model at different angles;

[0026] Fig. 9 yes Figure 7 A magnified image of point A;

[0027] Fig.10 yes Figure 8 The enlarged view of point B;

[0028] Fig.11 It is a schematic diagram of assembly between the interlocking rubber core and the signal female terminal of the utility model. DETAILED DESCRIPTION

[0029] Reference Figure 1-11 As shown, the connector with a secondary terminal locking structure built in the utility model includes a plug-in fit. The connector plug 1 includes a plug housing 3, a plug rubber core 4 provided in the plug housing 3, and a power female terminal 5 provided in the plug rubber core 4. The connector socket 2 includes a socket housing 6 and a power male terminal 7 provided in the socket housing 6. The front end of the power female terminal 5 is provided with a first plug sleeve 8, which is wrapped around the front end of the power female terminal 5 by bending the edge, and is clamped with a first clamping platform 10 in the plug housing 3 through a first locking buckle 9 integrally stamped on both sides of the first plug sleeve 8, and a first elastic hook 11 hung on the end of the first plug sleeve 8 is also provided in the plug housing 3. The front end of the power male terminal 7 is provided with a second plug sleeve 12, which is clamped with a second clamping platform 14 in the socket housing 6 through a second locking buckle 13 integrally stamped on both sides of the second plug sleeve 12, and a second elastic hook 15 hung on the end of the second plug sleeve 12 is provided in the socket housing 6.

[0030] Preferably, two signal female terminals 17 are installed in the socket housing 6 through the interlocking rubber core 16, and the front end of the signal female terminal 17 is provided with a third plug sleeve 18, which is engaged with the third clamping platform 20 in the interlocking rubber core 16 through the third locking buckle 19 on one side of the third plug sleeve 18, and the interlocking rubber core 16 is engaged with the clamping platform in the socket housing 6 through the fourth locking buckle 21 at the front end. Elastic arms 23 in an eight-shaped shape are provided on both sides of the interlocking rubber core 16, and a secondary locking portion 24 is provided on the elastic arm 23. After the interlocking rubber core 16 is installed in the socket housing 6, the elastic arm 23 is pressed toward the center, so that the secondary locking portion 24 is inserted into the slots on both sides of the interlocking rubber core 16 and abuts against the rear end of the third plug sleeve 18, so as to achieve secondary locking of the signal female terminal 17.

[0031] Preferably, a sheet-type signal male terminal 25 short-circuited with the two signal female terminals 17 is crimped in the plug housing 3. The short-circuit signal is used to determine whether the connector plug 1 and the connector socket 2 are connected.

[0032] Preferably, the outer wall of the plug rubber core 4 is provided with a plug shielding cover 26, and the rear end of the plug rubber core 4 is provided with a shielding ring inner sleeve 27 and a shielding ring outer sleeve 28. The socket housing 6 is provided with a socket shielding cover 22. When the connector plug 1 and the connector socket 2 are connected, the plug shielding cover 26 and the socket shielding cover 22 are in full contact to improve the shielding effect. The shielding ring inner sleeve 27 and the shielding ring outer sleeve 28 are used to connect with the cable to achieve shielding of the cable.

[0033] Preferably, a sealing body 29 and a tail cover 30 are provided at the tail of the plug rubber core 4 to achieve sealing and fixing of the cable.

[0034] Preferably, the plug housing 3 is provided with a CPA buckle 33 which is locked with the socket housing 6 to prevent the connector plug 1 and the connector socket 2 from being loosened after being connected.

[0035] Preferably, a flange sealing ring 32 and a bushing 35 are provided on the mounting flange 34 of the socket housing 6 to improve the sealing performance and strength of the mounting flange 34 .

[0036] Preferably, an interface sealing ring 36 is provided at the front end of the plug rubber core 4 to improve the waterproof property.

[0037] Preferably, the plug rubber core 4 is connected to the plug housing 3 via a third elastic hook 31 at the rear end, so as to improve the convenience of installing the plug rubber core 4 .

[0038] As mentioned above, the present invention is not limited in any form. Although the present invention has been disclosed as a preferred implementation case as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the equivalent implementation cases of equivalent changes by using the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above implementation cases based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A connector with a built-in terminal secondary locking structure, comprising a connector plug (1) and a connector socket (2) that are pluggable, the connector plug (1) comprising a plug housing (3), a plug rubber core (4) disposed in the plug housing (3), and a power female terminal (5) disposed in the plug rubber core (4), the connector socket (2) comprising a socket housing (6), and a power male terminal (7) disposed in the socket housing (6), characterized in that: The front end of the power female terminal (5) is provided with a first socket (8), which is clamped with a first clamping platform (10) in the plug housing (3) through first locking buckles (9) on both sides of the first socket (8), and the plug housing (3) is also provided with a first elastic hook (11) hung on the end of the first socket (8); the front end of the power male terminal (7) is provided with a second socket (12), which is clamped with a second clamping platform (14) in the socket housing (6) through second locking buckles (13) on both sides of the second socket (12), and the socket housing (6) is provided with a second elastic hook (15) hung on the end of the second socket (12).

2. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: Two signal female terminals (17) are installed in the socket housing (6) via an interlocking rubber core (16); a third plug sleeve (18) is provided at the front end of the signal female terminal (17), which is engaged with a third clamping platform (20) in the interlocking rubber core (16) via a third locking buckle (19) on one side of the third plug sleeve (18); the interlocking rubber core (16) is engaged with the socket housing (6) via a fourth locking buckle (21) at the front end; elastic arms (23) in an eight-shaped shape are provided on both sides of the interlocking rubber core (16); a secondary locking portion (24) is provided on the elastic arms (23); after the interlocking rubber core (16) is installed in the socket housing (6), the elastic arms (23) are squeezed so that the secondary locking portion (24) abuts against the rear end of the third plug sleeve (18).

3. The connector with a built-in terminal secondary locking structure according to claim 2, characterized in that: A sheet-type signal male terminal (25) is crimped into the plug housing (3) and is short-circuited with the two signal female terminals (17).

4. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: The outer wall of the plug rubber core (4) is provided with a plug shielding cover (26), and the rear end is provided with a shielding ring inner sleeve (27) and a shielding ring outer sleeve (28).

5. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: The rear portion of the plug rubber core (4) is provided with a sealing body (29) and a rear cover (30).

6. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: A socket shielding cover (22) is provided inside the socket housing (6).

7. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: The plug housing (3) is provided with a CPA buckle (33).

8. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: A flange sealing ring (32) and a bushing (35) are embedded on the mounting flange (34) of the socket housing (6).

9. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: An interface sealing ring (36) is provided at the front end of the plug rubber core (4).

10. The connector with a built-in terminal secondary locking structure according to claim 1, characterized in that: The plug rubber core (4) is hooked to the plug housing (3) via a third elastic hook (31) at the rear end.

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