A two-core metal connector

Abstract

The utility model discloses a two -core metal connector of terminal connection is more reliable. Adopted technical scheme: including shell, be located in the terminal sheath of shell, be located in the flat type terminal of terminal sheath inner chamber and be located the tail cover of shell rear end, the flat type terminal is 'Z' letter shape, and is equipped with the plug -in part and the welding part, the terminal sheath inner chamber front end is equipped with the terminal jack of with the plug -in part is adapted, and the inner chamber rear end is equipped with the terminal slot of with the welding part is adapted, the terminal sheath corresponds the terminal fixing piece of welding part below through the fixed part slot and is inserted, the terminal fixing piece is equipped with upper claw and lower claw, and the upper claw is connected in the terminal clamping portion of welding part.

Description

Technical Field

[0001] This utility model belongs to the field of connectors, and in particular relates to a two-core metal connector. Background Technology

[0002] Two-core 300A metal connectors are primarily used in high-voltage, high-current applications, commonly found in the new energy vehicle sector, such as connections between motor controllers, motors, batteries, and PDUs (Power Distribution Units). The traditional two-core metal connector structure includes: a housing, a terminal sleeve inside the housing, two terminals within the terminal sleeve cavity, and a tail cap at the rear of the housing. Its main drawback is the lack of a fixed terminal structure, resulting in poor connection reliability. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a two-core metal connector with more reliable terminal connection.

[0004] To solve the above problems, the present invention adopts the following technical solution: including a shell, a terminal sleeve disposed within the shell, a flat terminal disposed within the inner cavity of the terminal sleeve, and a tail cap disposed at the rear end of the shell. The flat terminal is Z-shaped and has a plug-in portion and a welding portion. The front end of the inner cavity of the terminal sleeve has a terminal plug hole adapted to the plug-in portion, and the rear end of the inner cavity has a terminal slot adapted to the welding portion. A terminal fixing member is inserted into the terminal sleeve below the welding portion through a fixing member slot. The terminal fixing member has an upper claw and a lower claw. The upper claw engages with the terminal engaging portion of the welding portion, and the lower claw engages with the sleeve engaging portion of the terminal sleeve.

[0005] The terminal latching part is a through hole provided at the front end of the welding part, and the sheath latching part is a groove provided at the bottom of the terminal sheath.

[0006] The front end of the inner cavity of the terminal sleeve is integrally formed with a retaining strip, and the front end of the plug-in part abuts against the retaining strip.

[0007] Both ends of the terminal sleeve are provided with buckles, and the outer shell is provided with a slot that engages with the buckles.

[0008] The inner cavity of the terminal sleeve is provided with an upward inclined surface above the terminal slot to guide the insertion of the plug part into the terminal socket, and the front end of the fastener slot is provided with a downward inclined surface to guide the insertion of the terminal fastener.

[0009] The terminal fixing component has a support foot at its front end.

[0010] The rear end of the outer casing is provided with a sealing line body, and the front end of the tail cap is provided with a baffle that abuts against the sealing line body.

[0011] The front end of the housing is provided with a mounting flange, the end face of the mounting flange is provided with a sealing ring, and at least two sides of the sealing ring are provided with positioning ribs, and the mounting flange is provided with positioning grooves that cooperate with the positioning ribs.

[0012] The terminal sheath is provided with an outer shield and an inner shield at its rear end.

[0013] The advantages of this two-core metal connector are as follows: by setting a terminal fixing component inside the terminal sleeve, the connection of the flat terminal is more stable and reliable, and it will not come off.

[0014] The present invention will be further described below with reference to the accompanying drawings. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the two-core metal connector of this utility model; Figure 2 This is an exploded view of the two-core metal connector of this utility model; Figure 3 This is a cross-sectional view of the two-core metal connector of this utility model; Figure 4 This is a structural schematic diagram of the terminal fixing component of this utility model; Figure 5 This is a structural schematic diagram of the terminal sheath of this utility model; Figure 6 This is a structural schematic diagram of the flat terminal of this utility model. Detailed Implementation

[0016] Reference Figures 1-6As shown, the two-core metal connector of this utility model includes a housing 1, a terminal sleeve 2 disposed within the housing 1, a flat terminal 3 disposed within the cavity of the terminal sleeve 2, and a tail cap 4 disposed at the rear end of the housing 1. The flat terminal 3 is Z-shaped and has a plug-in portion 5 and a soldering portion 6. The soldering portion 6 is used for soldering with a cable, and the plug-in portion 5 is used for plugging into a female terminal in a connector socket. The front end of the cavity of the terminal sleeve 2 has a terminal socket 8 adapted to the plug-in portion 5, and the rear end of the cavity of the terminal sleeve 2 has a terminal slot 9 adapted to the soldering portion 6. A terminal fixing member 11 is inserted into the terminal sleeve 2 below the soldering portion 6 via a fixing member slot 10. The terminal fixing member 11 has an upper claw 12 and a lower claw 13. The upper claw 12 engages with the terminal engaging portion 14 of the soldering portion 6, and the lower claw 13 engages with the sleeve engaging portion 15 of the terminal sleeve 2. During assembly, first align the plug-in part 5 with the terminal socket 8, align the soldering part 6 with the terminal slot 9, and then insert it into the inner cavity of the terminal sleeve 2. Next, align the terminal fixing member 11 with the fixing member slot 10 and insert it into the inner cavity of the terminal sleeve 2, so that the upper claw 12 engages with the terminal locking part 14 and the lower claw 13 engages with the sleeve locking part 15. Finally, install the terminal sleeve 2 into the outer shell 1.

[0017] Preferably, the terminal latching part 14 is a through hole provided at the front end of the welding part 6, and the sheath latching part 15 is a groove provided at the bottom of the terminal sheath 2.

[0018] Preferably, a retaining strip 16 is integrally formed at the front end of the inner cavity of the terminal sleeve 2, and the front end of the plug portion 5 abuts against the retaining strip 16. The retaining strip 16 serves to position the front end of the flat terminal 3, thereby improving the stability of its connection.

[0019] Preferably, the terminal sleeve 2 is provided with buckles 17 at both the upper and lower ends, and the outer shell 1 is provided with a slot 18 that engages with the buckles 17. This enables a quick connection between the terminal sleeve 2 and the outer shell 1.

[0020] Preferably, the inner cavity of the terminal sleeve 2 is provided with an upwardly inclined surface 19 above the terminal slot 9 to guide the insertion of the plug part 5 into the terminal socket 8, and the front end of the fixing member slot 10 is provided with a downwardly inclined surface 20 to guide the insertion of the terminal fixing member 11. This facilitates the insertion of the plug part 5 and the terminal fixing member 11.

[0021] Preferably, the terminal fixing member 11 has a support foot 21 at its front end. By providing the support foot 21, the front end of the terminal fixing member 11 can be supported under the welding part 6, thereby improving the stability of the flat terminal 3 connection.

[0022] Preferably, the rear end of the outer casing 1 is provided with a sealing body 22, and the front end of the tail cap 4 is provided with a baffle 23 that abuts against the sealing body 22. The baffle 23 is ideally an insert injection molded into the tail cap 4. The positioning of the sealing body 22 by the baffle 23 improves the stability of the assembly of the sealing body 22.

[0023] Preferably, the front end of the outer casing 1 is provided with a mounting flange 24, the end face of the mounting flange 24 is provided with a sealing ring 25, and positioning ribs 26 are provided on at least two sides of the sealing ring 25. The mounting flange 24 is provided with positioning grooves 27 that are positioned and engaged with the positioning ribs 26. This improves the stability of the assembly of the sealing ring 25 and prevents it from falling off.

[0024] Preferably, the terminal sheath 2 has an outer shield 28 and an inner shield 29 at its rear end. The outer shield 28 is pressed against the rear end of the terminal sheath 2, and the inner shield 29 is pressed against the shielding layer of the cable. When the cable is welded to the welding part 6, the inner shield 29 contacts the inner wall of the outer shield 28, thereby achieving the shielding function.

[0025] The above description is not intended to limit the present invention in any way. 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 can make some modifications or alterations to the above-disclosed structure and technical content to create equivalent embodiments without departing from the scope of the present invention. However, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A two-core metal connector comprising a housing (1), a terminal shroud (2) provided in the housing (1), a flat terminal (3) provided in a cavity of the terminal shroud (2), and a tail cover (4) provided at a rear end of the housing (1), characterized in that: The flat terminal (3) is Z-shaped and has a plug-in part (5) and a welding part (6). The front end of the inner cavity of the terminal sleeve (2) is provided with a terminal plug hole (8) adapted to the plug-in part (5), and the rear end of the inner cavity is provided with a terminal slot (9) adapted to the welding part (6). The terminal sleeve (2) is connected to a terminal fixing member (11) through a fixing member slot (10) below the welding part (6). The terminal fixing member (11) is provided with an upper claw (12) and a lower claw (13). The upper claw (12) is engaged with the terminal engagement part (14) of the welding part (6), and the lower claw (13) is engaged with the sleeve engagement part (15) of the terminal sleeve (2).

2. The two-core metal connector according to claim 1, characterized by: The terminal latching part (14) is a through hole provided at the front end of the welding part (6), and the sheath latching part (15) is a groove provided at the bottom of the terminal sheath (2).

3. The two-core metal connector according to claim 1, wherein: The terminal sleeve (2) has a baffle (16) integrally formed at the front end of its inner cavity, and the front end of the plug part (5) abuts against the baffle (16).

4. The two-core metal connector according to claim 1, wherein: The terminal sleeve (2) is provided with buckles (17) at both the upper and lower ends, and the outer shell (1) is provided with a slot (18) that engages with the buckles (17).

5. The two-core metal connector according to claim 1, wherein: The inner cavity of the terminal sleeve (2) is provided with an upper inclined surface (19) above the terminal slot (9) for guiding the insertion part (5) into the terminal socket (8), and the front end of the fastener slot (10) is provided with a lower inclined surface (20) for guiding the insertion of the terminal fastener (11).

6. The twin-lead metal connector of claim 1, wherein: The terminal fixing member (11) has a support foot (21) at its front end.

7. The twin-lead metal connector of claim 1, wherein: The outer shell (1) has a sealing body (22) at the rear end, and the tail cap (4) has a baffle (23) at the front end that abuts against the sealing body (22).

8. The twin-lead metal connector of claim 1, wherein: The front end of the outer shell (1) is provided with a mounting flange (24), the end face of the mounting flange (24) is provided with a sealing ring (25), and at least on both sides of the sealing ring (25) are provided with positioning ribs (26), and the mounting flange (24) is provided with a positioning groove (27) that is positioned and matched with the positioning ribs (26).

9. The twin-lead metal connector of claim 1, wherein: The terminal sheath (2) is provided with an outer shield (28) and an inner shield (29) at its rear end.

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