An integrated crimping terminal and connector assembly

Abstract

The application discloses an integrated crimping terminal and a connector assembly, relates to the technical field of electrical connection, and is characterized in that a terminal body is integrally connected with a counter connector, a primary terminal lock and a secondary terminal lock are integrally connected with the terminal body, the terminal can be punched in the same set of punching devices, laser welding devices are saved, and production cost is reduced; the primary terminal lock is no longer provided with a spring sheet, but a through hole penetrating through the thickness direction of the terminal body, the through hole is rigidly connected with a cavity primary lock, fatigue deformation of the spring sheet is effectively avoided, locking reliability of the terminal is improved, the secondary terminal lock is provided with two symmetrically arranged bending arms which are oppositely bent, compared with linear contact of a linear limiting platform, an L-shaped step surface of the bending arm is abutted against a cavity secondary lock, surface contact provides balanced and stable limiting effect, symmetric structure uniformly distributes stress in multiple directions, shift or loosening of the terminal in a vibration or impact environment is prevented, and vibration resistance is improved.

Claims

1. An integrated crimp terminal, characterized in that, include: Terminal body (1) and mating head (2) integrally formed and connected to the terminal body (1); The terminal body (1) is integrally connected with a primary terminal lock (3) and a secondary terminal lock (4) at the first end near the mating head (2). The primary terminal lock (3) is a through hole that extends along the thickness direction of the terminal body (1). The through hole is used to engage with the cavity primary lock (9) of the mounting sleeve. The secondary terminal lock (4) is a bent arm (401) symmetrically arranged on both sides of the terminal body (1). The two bent arms (401) bend towards each other. The L-shaped stepped surface (402) of the first side of the bent arm (401) away from the mating head (2) is used to abut against the cavity secondary lock (10) of the mounting sleeve.

2. The integrated crimp terminal according to claim 1, characterized in that, It also includes a transition section (5), the first end of which is integrally formed and connected to the first end of the terminal body (1), the second end of which is integrally formed and connected to the first end of the mating head (2), the angle between the longitudinal center line of the transition section (5) and the longitudinal center line of the terminal body (1) is an obtuse angle, and the longitudinal center line of the mating head (2) is parallel to the longitudinal center line of the terminal body (1).

3. The integrated crimp terminal according to claim 2, characterized in that, The terminal body (1) is integrally formed and connected to a limiting body (6). The limiting body (6) is located between the through hole and the mating head (2). One end of the limiting body (6) extends from the second end of the transition portion (5) to the second side near the bent arm (401), and the top surface of the limiting body (6) is higher than the top surface of the mating head (2).

4. The integrated crimp terminal according to claim 1, characterized in that, The terminal body (1) is integrally formed with a wire insulation crimping wing (7) at the second end away from the mating head (2), and the wire insulation crimping wing (7) is used to crimp the insulation sheath of the wire.

5. The integrated crimp terminal according to claim 4, characterized in that, The terminal body (1) is integrally formed with a wire copper core crimping wing (8). The wire copper core crimping wing (8) is located between the bent arm (401) and the wire insulation crimping wing (7). The wire copper core crimping wing (8) is used to crimp the copper core of the wire.

6. The integrated crimp terminal according to claim 2, characterized in that, The distance between the top and bottom surfaces of the second end of the mating head (2) gradually decreases to form a wedge-shaped end (201).

7. A connector assembly, characterized in that, The device includes an installation sleeve and an integrated crimp terminal as described in any one of claims 1 to 6. The integrated crimp terminal is sleeved in the cavity of the installation sleeve. The cavity of the installation sleeve is provided with a primary cavity lock (9) and a secondary cavity lock (10). The primary cavity lock (9) engages with a through hole on the integrated crimp terminal. The secondary cavity lock (10) abuts against the L-shaped stepped surface (402) of the bent arm (401) on the integrated crimp terminal.

8. The connector assembly according to claim 7, characterized in that, The cavity primary lock (9) includes a connecting arm (901) and a plug (902) connected to the connecting arm (901). The plug (902) is used to be inserted into the through hole on the integrated crimp terminal.

9. The connector assembly according to claim 7, characterized in that, The secondary lock (10) of the cavity is a pin. The side wall of the mounting sleeve is provided with a through hole. The through hole communicates with the cavity inside the mounting sleeve. The pin is inserted into the cavity inside the mounting sleeve through the through hole and abuts against the L-shaped stepped surface (402) of the bent arm (401) on the integrated crimp terminal.

10. The connector assembly according to claim 7, characterized in that, The cavity of the mounting sleeve is provided with a partition, which divides the cavity of the mounting sleeve into a first cavity and a second cavity. The partition is provided with a channel hole for the mating head (2) of the integrated crimp terminal to pass through. The transition part (5) and the limiting body (6) on the integrated crimp terminal abut against one side of the partition.

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