Sheet-type terminal plastic connector

Abstract

The utility model discloses a sheet type terminal plastic connector. According to the technical scheme, the connector comprises a connector socket and is characterized in that the connector socket comprises a socket shell, a sheet type female terminal assembly arranged in the socket shell and a terminal sheath arranged at the rear end of the socket shell; the sheet type female terminal assembly comprises a copper bar, a reed installed at the front end of the copper bar and a stainless steel sheath installed outside the reed, and the copper bar, the reed and the stainless steel sheath are riveted and fixed through a group of riveting columns. The connector has the advantages that the connector adopts an insertion piece type terminal structure, the rear end of the copper bar does not need to be switched by a switching terminal, the current-carrying risk at the switching position is reduced, stamping production can be adopted, the efficiency is high, and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model belongs to the field of connectors, and particularly relates to a plastic connector. Background Art

[0002] Traditional high-voltage connectors for new energy vehicles are composed of a connector socket and a connector plug that is inserted and mated with the connector socket. The structure of the traditional connector socket includes: a socket housing, a socket plastic core provided in the socket housing, and a power female terminal provided in the socket plastic core; the structure of the connector plug includes: a plug housing, a plug plastic core provided in the plug housing, and a power male terminal provided in the plug plastic core. The disadvantages of traditional plastic connectors are: 1. The power terminals are usually cylindrical terminals, mostly completed by machining or cold heading, with low production efficiency and high manufacturing cost; 2. The connection between the power terminal and the cable adopts a crimping method, with low efficiency and high temperature rise; the crimping method can only adapt to copper cables and cannot adapt to lighter aluminum wires; 3. Large volume, heavy weight, many parts, complex structure, not meeting the requirements of lightweight design; 4. Small range of adaptable wire diameters, requiring multiple selection and matching. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a plastic connector with a chip terminal.

[0004] To solve the above problems, the technical solutions adopted by the utility model include: a connector socket, characterized in that: the connector socket includes a socket housing, a chip female terminal assembly provided in the socket housing, and a terminal sheath provided at the rear end of the socket housing. The chip female terminal assembly includes a copper bar, a reed installed at the front end of the copper bar, and a stainless steel sheath installed outside the reed. The copper bar, the reed, and the stainless steel sheath are riveted and fixed through a set of riveting posts; the reed includes an integrally formed first insertion sleeve portion and two relatively arranged first clamping pieces integrally formed at the front end of the first insertion sleeve portion. The stainless steel sheath includes an integrally formed second insertion sleeve portion and two relatively arranged second clamping pieces integrally formed at the front end of the second insertion sleeve portion;

[0005] A transverse wiring portion is formed at the rear end of the copper bar by bending, a wiring nut is provided on the wiring portion, and a copper bar positioning groove for positioning the copper bar and a nut positioning groove for positioning the wiring nut are provided on the terminal sheath.

[0006] For the plastic connector with a chip terminal, it is characterized in that: an elastic positioning post is provided in the copper bar positioning groove, and a positioning hole for positioning and matching with the elastic positioning post is provided on the copper bar.

[0007] The described chip terminal plastic connector is characterized in that: a socket shielding cover is provided at the front end of the socket housing, a set of clamping claws clamped to the socket housing are provided at the rear end of the socket shielding cover, and a set of elastic contact arms are provided on the side.

[0008] The described chip terminal plastic connector is characterized in that: an interlocking plastic core is provided at the front end of the socket housing, an interlocking terminal is provided inside the interlocking plastic core, a first anti-retreat buckle connected to the socket housing and a second anti-retreat buckle connected to the interlocking terminal are provided on both sides of the interlocking plastic core.

[0009] The described chip terminal plastic connector is characterized in that: the terminal sheath is connected to the socket housing through a set of hooks on the side wall.

[0010] According to the above-mentioned chip terminal plastic connector, it is characterized in that: it further includes a 90° connector plug connected to the connector socket. The 90° connector plug includes a 90° plug housing, a front sheath provided at the front end of the 90° plug housing, a first plastic core provided at the rear end of the 90° plug housing, a first assisting handle hinged to the 90° plug housing, and a first blade-type male terminal and a first HVIL pin provided inside the first plastic core. The first blade-type male terminal is inserted into the chip female terminal assembly.

[0011] According to the above-mentioned chip terminal plastic connector, it is characterized in that: it further includes a 180° connector plug connected to the connector socket. The 180° connector plug includes a 180° plug housing, a second plastic core provided inside the 180° plug housing, a second assisting handle hinged to the 180° plug housing, and a second blade-type male terminal and a second HVIL pin provided inside the second plastic core. The second blade-type male terminal is inserted into the chip female terminal assembly.

[0012] The described chip terminal plastic connector is characterized in that: a first shielding cover is provided outside the front sheath, a second shielding cover is provided outside the first plastic core. The head of the 90° plug housing is sequentially provided with a first interface sealing ring and a first plug front baffle. The tail of the 90° plug housing is sequentially provided with a first shielding outer ring, a first shielding inner ring, a first baffle, a first wire sealing body, and a first tail cover.

[0013] The described chip terminal plastic connector is characterized in that: third shielding covers and fourth shielding covers are respectively provided at both ends of the second plastic core. The head of the 180° plug housing is sequentially provided with a second interface sealing ring and a second plug front baffle. The tail of the 180° plug housing is sequentially provided with a second shielding outer ring, a second shielding inner ring, a second baffle, a second wire sealing body, and a second tail cover.

[0014] The advantages of the chip terminal plastic connector of the present utility model are as follows:

[0015] 1. The connector adopts a blade - type terminal structure. There is no need for a transition terminal at the rear end of the copper busbar, reducing the current - carrying risk at the transition point. Moreover, it can be produced by stamping, with high efficiency and low manufacturing cost;

[0016] 2. It is designed compactly, with a small volume, few parts, and light weight, meeting the requirements of lightweight design;

[0017] 3. The blade - type male terminal and the cable are lap - fixed by ultrasonic welding, with high strength and good performance. The following further describes the present utility model in conjunction with the attached drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural view of the connector socket of the present utility model;

[0019] Figure 2 is a sectional view of the connector socket of the present utility model;

[0020] Figure 3 is an exploded view of the connector socket of the present utility model;

[0021] Figure 4 is an exploded view of the blade - type female terminal assembly of the present utility model;

[0022] Figure 5 is a schematic structural view of the terminal sheath of the present utility model;

[0023] Figure 6 is a schematic structural view of the interlocking rubber core of the present utility model;

[0024] Figure 7 is an exploded view of the 90° connector plug of the present utility model;

[0025] Figure 8 is an exploded view of the 180° connector plug of the present utility model;

[0026] Figure 9 is a schematic connection view of the connector socket and the 90° connector plug of the present utility model;

[0027] Figure 10 is a schematic connection view of the connector socket and the 180° connector plug of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Refer to Figure 1-10As shown, the chip terminal plastic connector of the present utility model includes a connector socket 1. The connector socket 1 includes a socket housing 2, a chip female terminal assembly 3 disposed in the socket housing 2, and a terminal sheath 4 disposed at the rear end of the socket housing 2. The chip female terminal assembly 3 includes a copper row 5, a reed 6 mounted at the front end of the copper row 5, and a stainless steel sheath 7 mounted outside the reed 6. The reed 6 is integrally stamped from a copper strip. The joints between the copper row 5, the reed 6, and the stainless steel sheath 7 are preferably riveted and fixed by 3 riveting posts 8. The reed 6 includes an integrally formed first socket part 9 and two relatively arranged first clamping pieces 10 integrally formed at the front end of the first socket part 9. To improve the elasticity of the first clamping piece 10, a group of spaced slots are provided in the first clamping piece 10. The stainless steel sheath 7 includes an integrally formed second socket part 11 and two relatively arranged second clamping pieces 12 integrally formed at the front end of the second socket part 11. By the rigidity of the stainless steel sheath 7, the reset ability of the reed 6 is improved. The rear end of the copper row 5 is formed with a horizontally disposed wiring part 13 by bending. A wiring nut 14 is provided on the wiring part 13. A copper row positioning groove 15 for positioning the copper row 5 and a nut positioning groove 16 for positioning the wiring nut 14 are provided on the terminal sheath 4. Wiring of the copper row 5 is carried out by inserting a screw into the wiring nut 14.

[0029] Preferably, an elastic positioning post 17 is provided in the copper row positioning groove 15, and a positioning hole 18 for positioning and cooperating with the elastic positioning post 17 is provided on the copper row 5. After the copper row 5 is inserted into the copper row positioning groove 15, the elastic positioning post 17 is snapped into the positioning hole 18 to fix the copper row 5.

[0030] Preferably, a socket shielding cover 19 is provided at the front end of the socket housing 2. A group of clamping claws 20 for clamping to the socket housing 2 are provided at the rear end of the socket shielding cover 19 and are fixed to the front end of the socket housing 2 through the clamping claws 20. A group of elastic contact arms 21 are provided on the side of the socket shielding cover 19. To achieve the shielding effect on the socket housing 2, and at the same time, the socket shielding cover 19 has the advantages of convenient installation and good stability.

[0031] Preferably, an interlocking rubber core 22 is provided at the front end of the socket housing 2. An interlocking terminal 23 is provided inside the interlocking rubber core 22. First anti-withdrawal buckles 24 connected to the socket housing 2 and second anti-withdrawal buckles 25 connected to the interlocking terminal 23 are provided on both sides of the interlocking rubber core 22. After the interlocking terminal 23 is inserted into the interlocking rubber core 22, it is first connected to the interlocking rubber core 22 through its own anti-withdrawal buckle, and then the interlocking rubber core 22 is inserted into the socket housing 2 and connected through the first anti-withdrawal buckles 24. While being inserted, the second anti-withdrawal buckles 25 are squeezed, so that their ends enter the interlocking rubber core 22 to perform secondary locking on the interlocking terminal 23 to improve the connection stability. When the connector plug is inserted into the connector socket, the HVIL pin at the plug end is connected to the interlocking terminal at the socket end with a time delay; when the user unlocks, the HVIL pin is disconnected first, so that the high-voltage interlocking function can be realized, effectively protecting the user's electricity use safety.

[0032] Preferably, the terminal sheath 4 is connected to the socket housing 2 through a group of hooks 26 on the side wall to realize the quick connection between the terminal sheath 4 and the socket housing 2.

[0033] Preferably, it further includes a 90° connector plug 27 connected to the connector socket 1. The 90° connector plug 27 includes a 90° plug housing 28, a front sheath 29 crimped at the front end of the 90° plug housing 28, a first rubber core 30 crimped at the rear end of the 90° plug housing 28, a first assisting handle 31 hinged to the 90° plug housing 28, and a first plug-in male terminal 32 and a first HVIL pin 33 crimped in the first rubber core 30. It is inserted into the chip-type female terminal assembly 3 through the first plug-in male terminal 32. To prevent the first plug-in male terminal 32 from moving, it can be fixed by inserting a third anti-withdrawal buckle 58 into the first rubber core 30.

[0034] Preferably, it further includes a 180° connector plug 34 connected to the connector socket 1. The 180° connector plug 34 includes a 180° plug housing 35, a second rubber core 36 crimped inside the 180° plug housing 35, a second assisting handle 37 hinged to the 180° plug housing 35, and a second plug-in male terminal 38 and a second HVIL pin 39 crimped in the second rubber core 36. It is inserted into the chip-type female terminal assembly 3 through the second plug-in male terminal 38. To prevent the second plug-in male terminal 38 from moving, it can be fixed by inserting a fourth anti-withdrawal buckle 59 into the second rubber core 36.

[0035] Preferably, a first shielding cover 40 is provided outside the front sheath 29, and a second shielding cover 41 is provided outside the first rubber core 30 to achieve full shielding of the connector. A first interface sealing ring 42 and a first plug front baffle 43 are sequentially provided at the head of the 90° plug housing 28, and the first plug front baffle 43 is connected to the 90° plug housing 28 by a hook. A first shielding outer ring 44, a first shielding inner ring 45, a first baffle 46, a first wire sealing body 47, and a first end cap 48 are sequentially provided at the tail of the 90° plug housing 28. The first end cap 48 is also connected to the 90° plug housing 28 by a hook. Through the above structure, the overall assembly of the 90° connector plug 27 is realized, and at the same time, sealing and shielding are realized.

[0036] Preferably, a third shielding cover 49 and a fourth shielding cover 50 are respectively provided at both ends of the second rubber core 36 to achieve full shielding of the connector. A second interface sealing ring 51 and a second plug front baffle 52 are sequentially provided at the head of the 180° plug housing 35, and a second shielding outer ring 53, a second shielding inner ring 54, a second baffle 55, a second wire sealing body 56, and a second end cap 57 are sequentially provided at the tail of the 180° plug housing 35. Through the above structure, the overall assembly of the 180° connector plug 34 is realized, and at the same time, sealing and shielding are realized.

[0037] The above does not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the technical solution scope of the present invention, can make some changes or modifications to the above-disclosed structure and technical content to form equivalent embodiments of equivalent changes. However, as long as the content does not depart from the technical solution of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A chip terminal plastic connector, comprising a connector socket (1), characterized in that: The connector socket (1) includes a socket housing (2), a flat female terminal assembly (3) disposed within the socket housing (2), and a terminal sheath (4) disposed at the rear end of the socket housing (2). The flat female terminal assembly (3) includes a copper bar (5), a reed (6) mounted at the front end of the copper bar (5), and a stainless steel sheath (7) mounted outside the reed (6). The copper bar (5), the reed (6), and the stainless steel sheath (7) are riveted and fixed together by a set of riveting posts (8). The reed (6) includes an integrally formed first insertion sleeve portion (9) and two relatively disposed first clamping pieces (10) integrally formed at the front end of the first insertion sleeve portion (9). The stainless steel sheath (7) includes an integrally formed second insertion sleeve portion (11) and two relatively disposed second clamping pieces (12) integrally formed at the front end of the second insertion sleeve portion (11). A transverse wiring portion (13) is formed by bending the rear end of the copper bar (5). A wiring nut (14) is provided on the wiring portion (13). The terminal sheath (4) is provided with a copper bar positioning groove (15) for positioning the copper bar (5) and a nut positioning groove (16) for positioning the wiring nut (14).

2. The chip terminal plastic connector according to claim 1, characterized in that: An elastic positioning post (17) is provided within the copper bar positioning groove (15). A positioning hole (18) for positioning cooperation with the elastic positioning post (17) is provided on the copper bar (5).

3. The chip terminal plastic connector according to claim 1, characterized in that: A socket shielding cover (19) is provided at the front end of the socket housing (2). A set of claws (20) that are snap-connected to the socket housing (2) are provided at the rear end of the socket shielding cover (19), and a set of elastic contact arms (21) are provided on the side surface.

4. The chip-type terminal plastic connector according to claim 1, wherein: An interlocking rubber core (22) is provided at the front end of the socket housing (2). An interlocking terminal (23) is provided within the interlocking rubber core (22). First anti-retreat buckles (24) connected to the socket housing (2) and second anti-retreat buckles (25) connected to the interlocking terminal (23) are provided on both sides of the interlocking rubber core (22).

5. The chip terminal plastic connector according to claim 1, characterized in that: The terminal sheath (4) is connected to the socket housing (2) through a set of hooks (26) on the side wall.

6. The chip terminal plastic connector according to any one of claims 1-5, characterized in that: It further includes a 90° connector plug (27) connected to the connector socket (1). The 90° connector plug (27) includes a 90° plug housing (28), a front sheath (29) provided at the front end of the 90° plug housing (28), a first rubber core (30) provided at the rear end of the 90° plug housing (28), a first boosting handle (31) hinged to the 90° plug housing (28), and a first blade-type male terminal (32) and a first HVIL pin (33) provided within the first rubber core (30). The first blade-type male terminal (32) is inserted into the flat female terminal assembly (3).

7. The chip terminal plastic connector according to any one of claims 1-5, characterized in that: It further includes a 180° connector plug (34) connected to the connector socket (1). The 180° connector plug (34) includes a 180° plug housing (35), a second rubber core (36) disposed within the 180° plug housing (35), a second assisting handle (37) hinged to the 180° plug housing (35), and a second blade-type male terminal (38) and a second HVIL pin (39) disposed within the second rubber core (36). The second blade-type male terminal (38) is inserted into the blade-type female terminal assembly (3).

8. The chip terminal plastic connector according to claim 6, wherein: A first shielding cover (40) is disposed outside the front sheath (29), and a second shielding cover (41) is disposed outside the first rubber core (30). A first interface sealing ring (42) and a first plug front baffle (43) are sequentially provided at the head of the 90° plug housing (28). A first shielding outer ring (44), a first shielding inner ring (45), a first baffle (46), a first wire sealing body (47), and a first end cap (48) are sequentially provided at the tail of the 90° plug housing (28).

9. The chip terminal plastic connector according to claim 7, wherein: A third shielding cover (49) and a fourth shielding cover (50) are respectively provided at both ends of the second rubber core (36). A second interface sealing ring (51) and a second plug front baffle (52) are sequentially provided at the head of the 180° plug housing (35). A second shielding outer ring (53), a second shielding inner ring (54), a second baffle (55), a second wire sealing body (56), and a second end cap (57) are sequentially provided at the tail of the 180° plug housing (35).

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