Double-contact FPC connector

By employing a dual-contact design and a rotating cap snap-fit ​​structure in the FPC connector, the problem of unstable electrical performance in the prior art is solved, achieving higher connection stability and preventing detachment.

CN224217739UActive Publication Date: 2026-05-08DONGGUAN ZHONGCHUANG MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN ZHONGCHUANG MECHANICAL & ELECTRICAL CO LTD
Filing Date
2025-07-07
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing FPC connectors have single-sided contact terminals, which leads to unstable electrical performance.

Method used

The device employs a dual-contact design, which forms a horseshoe-shaped contact point by setting two cantilever and spring arm on the connection terminal. The dual-contact connection is achieved by using a rotating cover to engage with the hook-shaped arc groove of the connection terminal.

Benefits of technology

It improves the connection stability of the connector, avoids terminal fatigue, and prevents it from falling off through the design of the rotating cover.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224217739U_ABST
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Abstract

The utility model provides a double-contact FPC connector. The double-contact FPC connector comprises a connector main body, a plurality of connecting terminals and a rotary cover, the plurality of connecting terminals are inserted in the connector main body side by side; the connector main body is provided with a rotary cover, the rotary cover is clamped with the connecting terminal and can rotate around the connecting terminal, two ends of the connector main body are also provided with plug pins in an inserting manner, and the plug pins are also abutted against the rotary cover. Wherein each connecting terminal comprises a cross beam, and one end of the cross beam extends to form a first elastic arm and a second elastic arm; and corresponding contact points are arranged at the tail ends of the first elastic arm and the second elastic arm. According to the utility model, through double-contact connection, the connection stability of the connector is further improved; according to the utility model, the rotary cover is clamped in the hook-shaped arc-shaped grooves of the plurality of connecting terminals, so that the rotation of the rotary cover is realized, and the cover is prevented from falling off through the L-shaped cutting grooves and the stop blocks on the two sides.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a dual-contact FPC connector. Background Technology

[0002] FPC connectors are used in various consumer mobile communication devices and personal terminal devices (such as mobile phones, PDAs, GPS devices, MP3 / MP4 players, digital cameras, handheld game consoles, various CD players, etc.). They enable signal connection or transmission between internal functional modules of such devices or with external devices, as well as connection between the device and power or signal sources, ultimately realizing a power / signal connection solution for the device.

[0003] Existing FPC connectors mainly include a body, connecting terminals fixed side by side on the body, and a cover that works with the body to clamp and connect the FPC. Based on the position of the cover, they are divided into front-insertion front-flip structure and front-insertion rear-flip structure. In the front-insertion front-flip structure, the insertion interface and the cover are located on the same side, while in the front-insertion rear-flip structure, the insertion interface and the cover are opposite to each other.

[0004] However, existing FPC connector terminals are typically designed for single-sided contact with the FPC being connected. Therefore, the connection terminal and the FPC have a single-point contact, leading to unstable electrical performance. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a dual-contact FPC connector, which improves the stability of the connector connection through dual-contact connection.

[0006] The technical solution of this utility model is as follows: a dual-contact FPC connector, including a connector body, multiple connecting terminals and a rotating cover; the multiple connecting terminals are inserted side by side into the connector body; and the rotating cover is engaged with the connecting terminals and can rotate around the connecting terminals. The connector body is also provided with pins at both ends, and the pins abut against the rotating cover.

[0007] Preferably, each of the connecting terminals includes a crossbeam, one end of which extends into a first cantilever, and the end of the first cantilever extends into a first spring arm, the end of which is provided with a first contact point.

[0008] A second cantilever is suspended from the crossbeam on the inner side of the first cantilever; a second elastic arm extends from the end of the second cantilever; and a second contact point is provided at the end of the second elastic arm.

[0009] Preferably, an arc-shaped groove is provided at one end of the crossbeam relative to the first cantilever and the second cantilever, and the arc-shaped groove makes the end of the crossbeam have a hook-shaped structure; the rotating cover is engaged in the arc-shaped groove of multiple connecting terminals.

[0010] Preferably, the two contact points are horseshoe-shaped.

[0011] Preferably, the second spring arm is located above the first spring arm, and the length of the second spring arm is less than the length of the first spring arm.

[0012] Preferably, the first elastic arm is further provided with a welding end at the end away from the contact point.

[0013] Preferably, the rotating cover is provided with multiple protrusions, and the upper ends of the multiple protrusions are connected by connecting strips. A through hole is provided between adjacent protrusions, and the hook-shaped structure of the crossbeam is engaged in the through hole between the protrusions.

[0014] Preferably, the upper end of the protrusion has a beveled structure, and the length of the end located at the contact point of the connecting terminal is greater than the length of the end located away from the contact point of the connecting terminal.

[0015] Preferably, the rotating cover is provided with stops on both sides, and the stops are provided with wedge-shaped portions that cooperate with the connector body.

[0016] Preferably, the rotating cover is provided with L-shaped grooves on both sides.

[0017] Preferably, the pin is further provided with an L-shaped step for engaging with the L-shaped groove of the rotating cover.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1. This utility model improves the connection stability of the connector by using a double-contact connection; and by suspending two cantilever arms on the crossbeam, this utility model helps to increase the length of the second cantilever arm in a limited space and avoids terminal fatigue.

[0020] 2. The rotating cover of this utility model achieves rotation by engaging with the hook-shaped arc-shaped grooves of multiple connecting terminals, and the cover is prevented from falling off by the L-shaped slots and stops on both sides. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the concealed connector body of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the connecting terminal of this utility model;

[0024] Figure 4 This is a schematic diagram of the rotating lid of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the pin of this utility model;

[0026] Figure 6 This is a partial schematic diagram of the present invention;

[0027] In the diagram, 1-connector body; 2-connecting terminal; 3-rotating cover; 4-pin;

[0028] 21-Crossbeam; 22-First spring arm; 23-Second spring arm; 24-Contact point; 25-Arc-shaped groove; 26-Welding end; 27-First cantilever; 28-Second cantilever;

[0029] 31-Protrusion; 32-Connecting strip; 33-Through hole; 34-Stop; 35-Wedge-shaped part; 36-L-shaped groove;

[0030] 41-L-shaped steps. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings:

[0032] like Figure 1 and 2 As shown, this embodiment provides a dual-contact 24FPC connector, including a connector body 1, multiple connecting terminals 2, and a rotating cover 3; the multiple connecting terminals 2 are inserted side by side into the connector body 1; the connector of this embodiment is a front-insertion, front-flip type, and the rotating cover 3 and the insertion interface are located on the same side. In this embodiment, the rotating cover 3 is engaged with the connecting terminals 2 and can rotate around the connecting terminals 2. Pins 4 are also inserted at both ends of the connector body 1, and the pins 4 abut against the rotating cover 3. The relative position of the rotating cover 3 can be defined by the connector body 1 and the pins 4.

[0033] As a preferred embodiment, such as Figure 3 As shown, each of the connecting terminals 2 includes a crossbeam 21, one end of which extends into a first cantilever 27, and the end of the first cantilever 27 extends into a first spring arm 22, and the end of the first spring arm 22 is provided with a first contact point 24.

[0034] A second cantilever 28 is suspended from the crossbeam 21 on the inner side of the first cantilever 27; a second elastic arm 23 extends from the end of the second cantilever 28; a second contact point 24 is provided at the end of the second elastic arm 23; the two contact points 24 are horseshoe-shaped.

[0035] As a preferred embodiment, such as Figure 3 As shown, an arc-shaped groove 25 is provided on one end of the crossbeam 21 relative to the first cantilever 27 and the second cantilever 28. The arc-shaped groove 25 makes the end of the crossbeam 21 have a hook-shaped structure. The rotating cover 3 is engaged in the arc-shaped groove 25 of the multiple connecting terminals 2, so that the rotating cover 3 can rotate around the crossbeam 21.

[0036] As a preferred embodiment, such as Figure 3 As shown, the first cantilever 27 and the first elastic arm 22, the second cantilever 28 and the second elastic arm 23 form an L-shaped structure, and the first elastic arm 22 and the second elastic arm 23 both extend to the other end of the crossbeam 21.

[0037] As a preferred embodiment, such as Figure 3 As shown, the second spring arm 23 is located above the first spring arm 22, and the length of the second spring arm 23 is less than the length of the first spring arm 22. The first spring arm 22 is also provided with a welding end 26 at the end away from the contact point 24. The welding end 26 has an L-shaped structure, and the bottom end of the welding end 26 is parallel to the crossbeam 21.

[0038] As a preferred embodiment, such as Figure 4 As shown, the rotating cover 3 is provided with multiple protrusions 31, and the upper ends of the multiple protrusions 31 are connected by connecting strips 32. A through hole 33 is provided between adjacent protrusions 31, and the hook-shaped structure of the crossbeam 21 is engaged in the through hole 33 between the protrusions 31. The upper end of the protrusion 31 is a beveled structure, and the length of the end located at the contact point 24 of the connecting terminal 2 is greater than the length of the end away from the contact point 24 of the connecting terminal 2.

[0039] As a preferred embodiment, such as Figure 4 As shown, the rotating cover 3 is further provided with stops 34 on both sides, and the stops 34 are also provided with wedge-shaped portions 35 that cooperate with the connector body 1. L-shaped grooves 36 are also provided on the side walls of the rotating cover 3. Figure 5 As shown, the pin 4 is also provided with an L-shaped step 41 for engaging with the L-shaped groove 36 of the rotating cover 3. The engagement relationship between the stop 34, the L-shaped groove 36, the L-shaped step 41, and the connector body 1 can be found in [reference needed]. Figure 6 As shown.

[0040] The embodiments and descriptions above are merely illustrative of the principles and preferred embodiments of this utility model. Various changes and modifications may be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A dual-contact (24) FPC connector, comprising a connector body (1), a plurality of connecting terminals (2), and a rotating cover (3); wherein the plurality of connecting terminals (2) are arranged side-by-side within the connector body (1); characterized in that: The rotating cover (3) is engaged with the connecting terminal (2) and can rotate around the connecting terminal (2). The connector body (1) is also provided with pins (4) at both ends, and the pins (4) abut against the rotating cover (3). Each of the aforementioned connection terminals (2) includes a crossbeam (21), one end of which extends into a first cantilever (27), and the end of the first cantilever (27) extends into a first spring arm (22), the end of which is provided with a first contact point (24). A second cantilever (28) is suspended from the crossbeam (21) on the inner side of the first cantilever (27); a second elastic arm (23) extends from the end of the second cantilever (28); a second contact point (24) is provided at the end of the second elastic arm (23).

2. The dual-contact (24) FPC connector according to claim 1, characterized in that: An arc-shaped groove (25) is provided on one end of the crossbeam (21) relative to the first cantilever (27) and the second cantilever (28), and the arc-shaped groove (25) makes the end of the crossbeam (21) have a hook-shaped structure; the rotating cover (3) is snapped into the arc-shaped groove (25) of the multiple connecting terminals (2).

3. A dual-contact (24) FPC connector according to claim 1, characterized in that: The two contact points (24) are horseshoe-shaped.

4. A dual-contact (24) FPC connector according to claim 2, characterized in that: The first cantilever (27) and the first elastic arm (22), the second cantilever (28) and the second elastic arm (23) form an L-shaped structure, and the first elastic arm (22) and the second elastic arm (23) both extend to the other end of the crossbeam (21).

5. A dual-contact (24) FPC connector according to claim 4, characterized in that: The second spring arm (23) is located above the first spring arm (22), and the length of the second spring arm (23) is less than the length of the first spring arm (22).

6. A dual-contact (24) FPC connector according to claim 5, characterized in that: The first elastic arm (22) is also provided with a welding end (26) at the end away from the contact point (24).

7. A dual-contact (24) FPC connector according to claim 1, characterized in that: The rotating cover (3) is provided with multiple protrusions (31), and the upper ends of the multiple protrusions (31) are connected by connecting strips (32). A through hole (33) is provided between adjacent protrusions (31), and the hook-shaped structure of the crossbeam (21) is engaged in the through hole (33) between the protrusions (31).

8. A dual-contact (24) FPC connector according to claim 7, characterized in that: The upper end of the protrusion (31) is a sloping structure, and the length of the end located at the contact point (24) of the connecting terminal (2) is greater than the end away from the contact point (24) of the connecting terminal (2).

9. A dual-contact (24) FPC connector according to claim 8, characterized in that: The rotating cover (3) is also provided with stops (34) on both sides, and the stops (34) are also provided with wedge-shaped parts (35) that cooperate with the connector body (1).

10. A dual-contact (24) FPC connector according to claim 9, characterized in that: The rotating cover (3) is also provided with L-shaped grooves (36) on both sides; the L-shaped grooves (36) are used to cooperate with the L-shaped steps (41) on the pin (4).