Single-row SMT type-C female socket connector

By designing a single-row SMT-type TYPE-C female connector, adopting a symmetrical terminal assembly structure and a grounding PIN contact connection in the middle clip, the problems of complex PCB layout and high packaging cost caused by the double-row solder pad structure are solved, achieving space saving and improved electrical stability of the connector.

CN224304944UActive Publication Date: 2026-05-29深圳市鑫杰联科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
深圳市鑫杰联科技有限公司
Filing Date
2025-07-24
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The dual-row solder joint structure of existing high-speed transmission TYPE-C female connectors leads to complex PCB layout design and high packaging costs.

Method used

Design a single-row SMT type TYPE-C female connector, which uses terminals A and B to form a terminal assembly. The terminal assembly has a symmetrical structure. The upper and lower rows of terminals are combined to form a row of SMT solder pads, which simplifies the PCB board layout. The grounding shielding function is achieved by connecting the middle clip to the grounding pin of the terminal assembly.

Benefits of technology

It simplifies the PCB board layout, saves space, improves the practicality and electrical stability of the connector, enhances current transmission capability, and has a ground shielding function.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224304944U_ABST
    Figure CN224304944U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of connector, concretely to a single -row SMT type TYPE the female seat connector of C, including metal shell, both sides fixedly connected with shell positioning post of metal shell, the surface swing joint of metal shell has plastic main part, the surface fixedly connected with plastic fixed column of plastic main part, the surface of plastic main part is established plastic fixed hole, the surface fixedly connected with plastic positioning post of plastic main part, the surface swing joint of plastic main part has terminal assembly. The utility model discloses a terminal A and terminal B structure combination and form terminal assembly, and the terminal A structure left and right side symmetry design has 8PIN terminal, and the terminal B structure design has 4PIN terminal, and the cooperation of upper and lower row terminal assembly forms a row SMT soldering leg, and the pin structure combination of terminal A and terminal B can be designed in three distribution modes: right S-shaped pin, left S-shaped pin and left and right shape pin, enhancing the practicability of the connector.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically a single-row SMT type TYPE-C female connector. Background Technology

[0002] TYPE-C female connectors play an important role in modern electronic devices due to their compact design, high efficiency, and reliable quality. They are widely used in smartphones, tablets, laptops, peripherals, and other electronic devices that require high-speed data transmission and high-power charging.

[0003] Currently, high-speed transmission TYPE-C female connectors in the industry all adopt a double-row solder joint structure, which makes the PCB layout design complex and the packaging cost high. Utility Model Content

[0004] The purpose of this utility model is to provide a single-row SMT type TYPE-C female connector to solve the problems mentioned in the background art, such as the complex PCB layout and high packaging cost of the double-row solder pin structure of high-speed transmission TYPE-C female connectors.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a single-row SMT type TYPE-C female connector, comprising a metal shell, shell positioning posts fixedly connected to both sides of the metal shell, a plastic body movably connected to the surface of the metal shell, plastic fixing posts fixedly connected to the surface of the plastic body, plastic fixing holes formed on the surface of the plastic body, plastic positioning posts fixedly connected to the surface of the plastic body, a terminal assembly movably connected to the surface of the plastic body, terminal bending provided on the surface of the terminal assembly, a middle clip movably connected to the surface of the plastic body, a middle clip spring fixedly connected to the surface of the middle clip, and a middle clip fixing hole formed on the surface of the middle clip.

[0006] Preferably, the metal shell is made of metal, and the metal shell has positioning posts on both sides for guiding and positioning during PCB packaging. The metal shell is fitted onto the surface of the plastic body.

[0007] Preferably, there are two sets of plastic bodies, and the two sets of plastic bodies are designed as a symmetrical structure through a single molding core. The plastic bodies are connected by plastic fixing posts and plastic fixing holes.

[0008] Preferably, the terminal bending is movably connected to the plastic body via the terminal assembly, the middle clip is sleeved on the surface of the plastic fixing post through the middle clip fixing hole, the middle clip is movably connected to the plastic body through the middle clip fixing hole, and the terminal assembly is movably connected to the plastic body through the middle clip.

[0009] Preferably, an EMI grounding plate is fitted onto the surface of the plastic body, an EMI spring is provided on the surface of the EMI grounding plate, and a sealing ring is movably connected to the surface of the metal shell.

[0010] Preferably, the EMI grounding piece is engaged with the surface of the plastic body by an EMI spring clip, and the EMI grounding piece is movably connected to the surface of the metal casing through the plastic body.

[0011] Preferably, the sealing ring is made of rubber and is movably connected to the metal shell and the plastic body.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model comprises a terminal assembly consisting of terminal A and terminal B. Terminal A has a symmetrical design with 8 pins, which are, in order, GND / TX1+ / TX1- / VBUS / VBUS / RX1- / RX1+ / GND functional pins. Space is reserved between the two VBUS pins in the middle of terminal A for the size of terminal B. Terminal B has four pins, which are, in order, CC1 / D+ / D- / SBU1 / functional pins. The pin structure of terminal A and terminal B can be designed in three ways: right S-shaped pin, left S-shaped pin, and left and right shaped pins, which enhances the practicality of the connector.

[0014] 2. This utility model uses a symmetrical structure of terminal components. The upper and lower rows of terminal components are combined to form a row of SMT solder pads, which simplifies the PCB circuit layout, saves space and improves the practicality of the connector. The four long PINs (GND / VBUS / VBUS / GND) of terminal A of the terminal component are designed with a bent structure at the head. The upper and lower rows of terminals can be attached and made into a single conductive assembly after combination, which can ensure stable electrical contact and increase current transmission. The middle clip is designed with spring clips on both sides to make contact with the grounding PIN of the terminal component to achieve the function of grounding shielding. Attached Figure Description

[0015] Figure 1 This is a three-dimensional front view of the structure of this utility model;

[0016] Figure 2 This is an exploded three-dimensional structural diagram of the present invention;

[0017] Figure 3 This is a three-dimensional schematic diagram of the main plastic structure of this utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the terminal assembly structure of this utility model;

[0019] Figure 5 This is a schematic diagram showing the fit between the upper and lower plastic bodies and the middle clamping piece of the plastic body of this utility model;

[0020] Figure 6 This is a schematic diagram of the upper and lower plastic parts and the middle clip after they are assembled.

[0021] Figure 7 This is a schematic diagram showing the contact between the GND terminal and the middle clip of this utility model.

[0022] Figure 8 This is a schematic diagram of the single-row SMT distribution of the plastic body of this utility model;

[0023] Figure 9 This is a three-dimensional schematic diagram of the metal shell structure of this utility model.

[0024] In the diagram: 1. Metal casing; 11. Casing positioning post; 2. Plastic body; 21. Plastic fixing post; 22. Plastic fixing hole; 23. Plastic positioning post; 3. Terminal assembly; 31. Terminal bending; 4. Middle clip; 41. Middle clip spring; 42. Middle clip fixing hole; 5. EMI grounding plate; 51. EMI spring; 6. Sealing ring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-9 One embodiment provided by this utility model:

[0027] A single-row SMT type TYPE-C female connector includes a metal shell 1, with shell positioning posts 11 fixedly connected to both sides of the metal shell 1. A plastic body 2 is movably connected to the surface of the metal shell 1, with plastic fixing posts 21 fixedly connected to the surface of the plastic body 2. Plastic fixing holes 22 are formed on the surface of the plastic body 2, and plastic positioning posts 23 are fixedly connected to the surface of the plastic body 2. A terminal assembly 3 is movably connected to the surface of the plastic body 2, with terminal bending 31 provided on the surface of the terminal assembly 3. A middle clip 4 is movably connected to the surface of the plastic body 2, with a middle clip spring 41 fixedly connected to the surface of the middle clip 4. A middle clip fixing spring 41 is formed on the surface of the middle clip 4. The fixed hole 42 and terminal assembly 3 are composed of terminal A and terminal B. Terminal A has a symmetrical design with 8 pins, which are GND / TX1+ / TX1- / VBUS / VBUS / RX1- / RX1+ / GND functional pins in sequence. The space between the two VBUS pins in the middle of terminal A is reserved for the size of terminal B. Terminal B has a four-pin design, which are CC1 / D+ / D- / SBU1 functional pin in sequence. The pin structure of terminal A and terminal B can be designed in three ways: right S-shaped pin, left S-shaped pin, and left and right shaped pins to enhance the practicality of the connector.

[0028] Furthermore, the metal shell 1 is made of metal, and the metal shell 1 has shell positioning posts 11 on both sides for guiding and positioning during PCB packaging. The metal shell 1 is fitted onto the surface of the plastic body 2. The terminals A and B of the terminal assembly 3 are combined to form a symmetrical structure of the terminal assembly 3. The upper and lower rows of terminal assemblies 3 are fitted together to form a row of SMT solder feet, which simplifies the PCB circuit layout, saves space and improves the practicality of the connector.

[0029] Furthermore, there are two sets of plastic bodies 2, and the two sets of plastic bodies 2 are designed as a symmetrical structure after a first molding core. The plastic bodies 2 are connected by plastic fixing posts 21 and plastic fixing holes 22. After being combined with the middle clip 4 through the symmetrically positioned plastic fixing posts 21 and plastic fixing holes 22, the plastic bodies are formed in a second step. The terminal assembly 3 is fixed inside and fitted into the metal shell 1. Plastic positioning posts 23 are designed below the terminal pins to guide and position them during PCB packaging.

[0030] Furthermore, the terminal bend 31 is movably connected to the plastic body 2 via the terminal assembly 3. The middle clip 4 is sleeved on the surface of the plastic fixing post 21 through the middle clip fixing hole 42. The middle clip 4 is movably connected to the plastic body 2 through the middle clip fixing hole 42. The terminal assembly 3 is movably connected to the plastic body 2 and the middle clip 4. The four long PIN (GND / VBUS / VBUS / GND) terminal heads of the terminal A of the terminal assembly 3 are designed with a bend structure terminal bend 31. After the upper and lower rows of terminals are combined, they can be respectively attached to make contact and conduct in one piece, which can ensure stable electrical contact while increasing current transmission.

[0031] Furthermore, an EMI grounding plate 5 is fitted onto the surface of the plastic body 2, and an EMI spring 51 is provided on the surface of the EMI grounding plate 5. A sealing ring 6 is movably connected to the surface of the metal shell 1. The EMI grounding plate 5 is designed to have a grounding shielding function that allows the EMI spring 51 to contact and connect with the inner wall of the metal shell 1.

[0032] Furthermore, the EMI grounding piece 5 is engaged with the surface of the plastic body 2 via the EMI spring piece 51, and the EMI grounding piece 5 is movably connected to the surface of the metal shell 1 via the plastic body 2. The EMI spring piece 51 facilitates disassembly and assembly, and the contact between the EMI spring piece 51 and the metal shell 1 provides a shielding effect.

[0033] Furthermore, the sealing ring 6 is made of rubber and is movably connected to the metal shell 1 and the plastic body 2. The sealing ring 6 is fitted onto the end of the plastic body 2 to provide waterproofing.

[0034] Working principle: First, 8 pins of terminal A and 4 pins of terminal B are combined to form a 12-pin terminal assembly. Then, the 12-pin terminal assembly is molded into a symmetrical 1M plastic structure through a single molding process. Next, 2 pieces of 1M plastic are fixed to the middle clamping piece 4 through fixing posts and fixing holes to fix the semi-finished product. The upper and lower springs on both sides of the middle clamping piece 4 are in contact with the GND terminals of the terminals, and the heads of the upper and lower rows of terminals are bent to fit and contact each other. Then, the plastic body 2 is molded again through a second molding process. The plastic body 2 has a total of 24 pins in the upper and lower rows, and the pins are arranged in a single row of SMT distribution. Then, the EMI grounding piece 5 is assembled onto the plastic to fix the structure. After assembling the metal shell 1, the EMI spring 51 can contact the inner wall of the shell to achieve the grounding shielding function. The connector manufacturing process is completed, and the TYPE-C data transmission function can be realized.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A single-row SMT type TYPE-C female connector, comprising a metal housing (1), characterized in that: The metal shell (1) is fixedly connected to two sides by shell positioning posts (11). The surface of the metal shell (1) is movably connected to a plastic body (2). The surface of the plastic body (2) is fixedly connected to a plastic fixing post (21). The surface of the plastic body (2) is provided with a plastic fixing hole (22). The surface of the plastic body (2) is fixedly connected to a plastic positioning post (23). The surface of the plastic body (2) is movably connected to a terminal assembly (3). The surface of the terminal assembly (3) is provided with a terminal bend (31). The surface of the plastic body (2) is movably connected to a middle clamping piece (4). The surface of the middle clamping piece (4) is fixedly connected to a middle clamping piece spring (41). The surface of the middle clamping piece (4) is provided with a middle clamping piece fixing hole (42).

2. The single-row SMT type TYPE-C female connector according to claim 1, characterized in that: The metal shell (1) is made of metal. The metal shell (1) has shell positioning posts (11) on both sides for guiding and positioning during PCB packaging. The metal shell (1) is fitted onto the surface of the plastic body (2).

3. A single-row SMT type TYPE-C female connector according to claim 1, characterized in that: The plastic body (2) has two sets, and the two sets of plastic bodies (2) are designed as a symmetrical structure through a MOLDING core. The plastic bodies (2) are connected by plastic fixing posts (21) and plastic fixing holes (22).

4. A single-row SMT type TYPE-C female connector according to claim 1, characterized in that: The terminal bending (31) is movably connected to the plastic body (2) through the terminal assembly (3), the middle clip (4) is sleeved on the surface of the plastic fixing post (21) through the middle clip fixing hole (42), the middle clip (4) is movably connected to the plastic body (2) through the middle clip fixing hole (42), and the terminal assembly (3) is movably connected to the plastic body (2) through the plastic body (2) and the middle clip (4).

5. A single-row SMT type TYPE-C female connector according to claim 1, characterized in that: An EMI grounding plate (5) is fitted onto the surface of the plastic body (2), and an EMI spring (51) is provided on the surface of the EMI grounding plate (5). A sealing ring (6) is movably connected to the surface of the metal shell (1).

6. A single-row SMT type TYPE-C female connector according to claim 5, characterized in that: The EMI grounding piece (5) is engaged with the surface of the plastic body (2) by the EMI spring piece (51), and the EMI grounding piece (5) is movably connected to the surface of the metal shell (1) through the plastic body (2).

7. A single-row SMT type TYPE-C female connector according to claim 5, characterized in that: The sealing ring (6) is made of rubber and is movably connected to the metal shell (1) and the plastic body (2).