Terminal structure of connector

Abstract

The utility model relates to a terminal structure of a connector, which is arranged in a connector with a colloid piece for signal transmission, a terminal is defined to be provided with a top surface, a bottom surface and a side surface connected between the top surface and the bottom surface, and the terminal is composed of a contact section, a bending section, a connecting section and a circuit board connecting section. Wherein waterproof grooves are respectively formed on the top surface, the bottom surface and each side surface of the contact section adjacent to the bending section, the colloid piece is coated to each waterproof groove in the connecting section from the bending section in an integral forming manner, the assembled connector is completed, the contact section in the terminal is connected to a butting connector in a pin inserting manner, and the terminal is connected to the butting connector in a pin inserting manner. As the waterproof grooves are located at the positions, close to the bent sections, of the contact sections, gaps between the terminals and the colloid piece after forming can effectively prevent water vapor from entering through the waterproof grooves and then seeping from the bent sections, and therefore the effect of preventing water vapor from permeating is achieved.

Description

Technical Field

[0001] The utility model relates to a terminal, in particular to a terminal structure of a connector. Background Art

[0002] The connector's main structure is composed of terminals and a plastic body, either through insert molding or assembly. Insert molding involves placing the terminals into a mold and then injection molding the plastic body onto the terminals, completing the connector's shape.

[0003] However, automotive connectors are subject to shaking and vibration during driving due to uneven road conditions, accelerator pedaling, and braking. Furthermore, most vehicles are parked outdoors or in basements, making them susceptible to moisture and potentially damaging the electrical system. Therefore, automotive connectors, as the primary electronic component used to transmit signals within a vehicle, must not only possess sufficient structural strength but also ensure airtightness between the terminals and the plastic housing to effectively prevent moisture from leaking through the metal terminals and the plastic housing.

[0004] Traditional automotive connectors utilize a plastic body that is directly molded onto the terminal via injection molding to enhance the connector's structural strength. However, because the terminal and the plastic body are made of different materials, the different cooling times during the injection molding process often prevent the terminal from effectively bonding to the plastic body. This creates a large gap between the terminal and the plastic body, allowing moisture to leak through the gap and potentially damage the electrical system.

[0005] Therefore, how to provide a method for improving the airtightness between the terminal and the plastic body to prevent water vapor leakage is the problem that this invention aims to solve. Utility Model Content

[0006] The utility model provides a connector terminal structure, aiming to solve the above technical problems.

[0007] An embodiment of the present invention provides a terminal structure of a connector, which is provided in a connector having a colloid component for signal transmission, wherein the terminal defines a top surface, a bottom surface, and two side surfaces connected to the top surface and the bottom surface. The terminal is composed of a contact section, a bent section extending from the contact section and bent, a connecting section extending from the bent section, and a circuit board connecting section formed at one end of the connecting section. The contact section forms a waterproof groove on the top surface, the bottom surface, and each of the side surfaces adjacent to the bent section. The colloid component is integrally formed from the bent section to cover each of the waterproof grooves in the connecting section.

[0008] Preferably, the cross section of the terminal is an elongated rectangle, and the top surface and the bottom surface have larger areas than the side surfaces.

[0009] Preferably, the waterproof groove on the top surface and the waterproof groove on the bottom surface are arranged asymmetrically.

[0010] Preferably, the waterproof grooves located on each of the side surfaces are symmetrically arranged.

[0011] Preferably, the depth of the waterproof groove formed on each of the side surfaces is greater than the depth of the waterproof groove formed on the top surface and the bottom surface.

[0012] Preferably, the colloid member can be integrally formed with a plurality of the terminals at one time.

[0013] Preferably, the circuit board connecting section is a fisheye structure or an SMT solder foot structure.

[0014] Preferably, the colloid member defines a contact surface located at the contact section.

[0015] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0016] Waterproof grooves are formed on the top, bottom, and side surfaces of the contact section adjacent to the bend section. The contact section in the terminal is connected to the docking connector via a pin. Since the waterproof grooves are located adjacent to the bend section, the gap between the terminal and the formed colloid component can effectively block water vapor from entering through the gap and then seeping out through the bend section, thereby achieving a waterproof and vapor-proof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of the terminal of this creation.

[0018] Figure 2 This is a three-dimensional diagram of the terminal from another angle.

[0019] Figure 3 This is a partial enlarged structural diagram of the terminal in this creation.

[0020] Figure 4 This is a partially enlarged structural diagram of the terminal formed on the colloid component of this creation.

[0021] Explanation of symbols

[0022] Terminal 1 , top surface 10 , bottom surface 11 , side surface 12 , contact section 13 , bending section 14 , connecting section 15 , circuit board connecting section 16 , waterproof groove 17 , colloid member 2 , and contact surface 20 . DETAILED DESCRIPTION

[0023] Please refer to Figure 1 、 Figure 2 and Figure 3 The figure shows a three-dimensional schematic diagram of the terminal of this invention, a three-dimensional schematic diagram from another angle, and a partially enlarged schematic diagram of the terminal structure. This invention is a terminal structure for a connector. The terminal 1 is mainly disposed in a colloid component 2 within the connector and is used for signal transmission. The terminal is defined by a top surface 10, a bottom surface 11, and two side surfaces 12 connected to the top surface 10 and the bottom surface 11. The terminal 1 is mainly composed of a contact segment 13, a bent segment 14 extending from the contact segment 13, a connecting segment 15 extending from the bent segment 14, and a circuit board connecting segment 16 formed at one end of the connecting segment 15 (which can be a fisheye structure or an SMT solder foot structure). Waterproof grooves 17 are formed on the top surface 10, bottom surface 11, and each side surface 12 of the contact segment 13 adjacent to the bent segment 14. The colloid component 2 is then integrally formed (insert molding) to cover each waterproof groove 17 in the connecting segment 15 from the bent segment 14.

[0024] The terminal 1 described above has a long rectangular cross-section, and the top surface 10 and bottom surface 11 are larger in area than the side surfaces 12. The waterproof groove 17 formed on the top surface 10 and the waterproof groove 17 on the bottom surface 11 are arranged asymmetrically, while the waterproof grooves 17 on the side surfaces 12 are arranged symmetrically. Because the thickness of the top surface 10 and the bottom surface 11 of the terminal 1 is less than the width between the side surfaces 12, the waterproof grooves 17 on the top surface 10 and the waterproof grooves 17 on the bottom surface 11 are arranged asymmetrically, which can effectively maintain the structural strength of the terminal 1 itself. If they were arranged symmetrically, structural damage and breakage would easily occur. The waterproof grooves 17 on the side surfaces 12 can be arranged symmetrically because they are sufficiently wide. In addition, because the thickness of the top surface 10 and the bottom surface 11 of the terminal 1 is less than the width between the side surfaces 12, and the width between the side surfaces 12 is greater than the thickness of the top surface 10 and the bottom surface 11, the depth of the waterproof grooves 17 on each side surface 12 can be greater than the depth of the waterproof grooves 17 formed on the top surface 10 and the bottom surface 11, thereby improving the overall waterproof and vapor permeation resistance.

[0025] For reference Figure 3 and Figure 4The figure shows a partially enlarged schematic diagram of the terminal structure of this invention and a partially enlarged schematic diagram of the terminal formed in a colloid component. In this embodiment, the colloid component 2 is formed integrally with a terminal 1 using an insert molding method. The number and arrangement of the terminals 1 (array, ring, or inline) vary depending on the actual application. The terminal 1 and colloid component 2 are insert molded. The colloid component 2 defines a contact surface 20 located on the contact section 13. The contact section 13 primarily allows the connector to connect to the mating connector in a pin-like manner, while the contact surface 20 serves as a stop point for the mating connector to abut after mating. Regardless of whether the connector and the mating connector are plugged in or not, even if the colloid component 2 and the terminal 1 are insert molded, a gap exists between the colloid component 2 and the terminal 1. Therefore, the waterproof grooves 17 increase the retention space for water vapor after entry, effectively preventing water vapor from entering and then seeping out through the bend section 14, achieving a waterproof vapor penetration effect.

Claims

1. A connector terminal structure, which is provided in a connector having a colloid member for signal transmission, characterized in that : The terminal defines a top surface, a bottom surface and two side surfaces connected to the top surface and the bottom surface. The terminal is composed of a contact section, a bent section extending from the contact section, a connecting section extending from the bent section and a circuit board connecting section formed at one end of the connecting section. The contact section forms a waterproof groove on the top surface, the bottom surface and each of the side surfaces adjacent to the bent section. The colloid component is integrally formed from the bent section to cover each of the waterproof grooves in the connecting section.

2. The terminal structure of the connector according to claim 1, characterized in that : The cross-section of the terminal is an elongated rectangle, and the top surface and the bottom surface are larger in area than the side surfaces.

3. The terminal structure of the connector according to claim 2, characterized in that : The waterproof groove located on the top surface and the waterproof groove located on the bottom surface are arranged asymmetrically.

4. The terminal structure of the connector according to claim 2, characterized in that : The waterproof grooves located on each of the side surfaces are arranged symmetrically with each other.

5. The terminal structure of the connector according to claim 2, characterized in that : The depth of the waterproof groove formed on each of the side surfaces is greater than the depth of the waterproof groove formed on the top surface and the bottom surface.

6. The terminal structure of the connector according to claim 1, characterized in that The colloid member can be integrally formed with a plurality of the terminals at one time.

7. The terminal structure of the connector according to claim 1, characterized in that : The circuit board connection section is a fisheye structure or an SMT solder foot structure.

8. The terminal structure of the connector according to claim 1, characterized in that : The colloid member defines a contact surface located in the contact section.

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