Flip cover type double-contact FPC (Flexible Printed Circuit) connector

Abstract

The utility model relates to a flip cover type double-contact FPC connector in the field of electric connectors, which comprises a base, a conductive terminal, a grounding terminal and a rotary pressing plate, one side of the base is provided with an opening, a guide part inclined from bottom to top is arranged in the opening, one side of the rotary pressing plate is provided with a pressing part matched with the guide part, one end of the conductive terminal is provided with a contact arm, and the other end of the conductive terminal is provided with a grounding terminal. The contact arm is provided with a first contact and a second contact which are matched with the guide part, the first contact and the second contact are sequentially arranged along the extension direction of the contact arm, and the heights of the end parts of the first contact and the second contact are the same along the direction from the contact arm to the rotating pressure plate. According to the utility model, through the running fit of the guide part and the pressing part, the flexible circuit board is tightly attached to the guide part and contacts with the first contact and the second contact. Therefore, stable connection between the circuit board and the contacts is ensured. Moreover, the heights of the end parts of the first contact and the second contact are the same, so that the contact pressure of the contacts and the circuit board is kept consistent, and the problems of poor contact and the like caused by non-uniform pressure are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric connector, concretely relates to a flip cover type double contact FPC connector. BACKGROUND

[0002] FPC electric connector is the important component part indispensable in electronic equipment, and it is responsible for realizing electrical connection and signal transmission between circuits, between circuits and equipment and between equipment and equipment. Among them, FPC electric connector includes flip cover type, drawer type and the like, so that the user can select the appropriate connector type according to actual demand. Flip cover type electric connector is firmly fixed in the shell through the cooperation of the rotating plate, the conductive terminal and the ground terminal to realize stable connection. So that the signal on the circuit board can be accurately and correctly transmitted to other circuits or equipment.

[0003] Although the existing flip cover type FPC connector can realize quick connection with the flexible circuit board, but due to its certain defects in the stability of connection. In the use process, poor contact is easy to appear, thereby leading to signal transmission interruption or quality decline and other problems. Therefore, the utility model provides a flip cover type double contact FPC connector that can be stably connected. SUMMARY

[0004] The utility model provides a flip cover type double contact FPC connector, through the structure improvement to part, solves the problem of insufficient connection stability in prior art.

[0005] The utility model discloses the purpose is realized through the following way:

[0006] A flip cover type double contact FPC connector, including the base, the conductive terminal, the ground terminal and rotatable rotating plate, the one side of base is equipped with the opening, be equipped with the inclined guide portion from below to above in the opening, the one side of rotating plate is equipped with the pressure part that cooperates with guide portion, the one end of conductive terminal is equipped with the contact arm that extends outward, be equipped with the first contact and second contact with guide portion cooperates on contact arm, the first contact and second contact are sequentially arranged along the extension direction of contact arm, along the direction of contact arm to rotating plate, the end height of first contact and second contact is same.

[0007] Further, the contact arm includes a contact portion and a curved elastic portion, the first contact and the second contact are sequentially arranged at one end of the contact portion, and the two ends of the curved elastic portion are connected with the contact portion and the conductive terminal respectively.

[0008] Further, one end of the conductive terminal is provided with a fixed arm which is rotationally matched with the rotation plate, the fixed arm is arranged in interval with the contact arm and extends along the extension direction of the contact arm.

[0009] Further, the fixed arm and the rotation plate are respectively provided with a clamping groove and a clamping block which are matched with each other.

[0010] Further, the cross section of the first contact and the second contact is triangular or circular arc.

[0011] Further, one end of the pressing part is provided with an inclined surface which is matched with the guide part, and the inclined angle of the inclined surface is same with the inclined angle of the guide part.

[0012] Further, one end of the rotation plate is provided with an outward extending pressing piece.

[0013] The utility model discloses the beneficial effects: through the rotation cooperation of the guide part and the pressing part on the rotation plate, make the flexible circuit board tightly stick to the guide part, make it respectively with the first contact and the second contact produce contact. Thus ensure the stable connection between the circuit board and the contact. And, because the end height of the first contact and the second contact is same, make the contact pressure of the contact and the circuit board keep consistent, thereby avoid the problem such as contact failure caused by uneven contact pressure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic drawing of the utility model discloses a cover type double contact FPC connector;

[0015] Figure 2 It is the explosion schematic drawing of the utility model discloses a cover type double contact FPC connector;

[0016] Figure 3 It is the sectional view when the rotation plate buckling;

[0017] Figure 4 It is the sectional view when the rotation plate is lifted;

[0018] Figure 5 It is the structural schematic drawing of the utility model middle base;

[0019] Figure 6 It is the structural schematic drawing of the utility model middle conductive terminal;

[0020] Figure 7 It is the structural schematic drawing of the utility model middle rotation plate;

[0021] In the figure, the reference signs are: 1 - base, 1A - opening, 1B - guide portion, 2 - conductive terminal, 2A - contact arm, 21A - contact portion, 211A - first contact point, 212A - second contact point, 22A - curved elastic portion, 2B - fixed arm, 21B - clamping groove, 3 - ground terminal, 4 - pressure plate, 4A - pressing portion, 41A - inclined surface, 4B - clamping block, 4C - pressing piece. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0023] In this embodiment, reference is made to Figures 1-7 A cover-lifting double-contact FPC connector is specifically implemented, which comprises a base 1, a conductive terminal 2, a ground terminal 3 and a rotatable pressure plate 4. Both sides of the pressure plate 4 are provided with fixing blocks, and both sides of the base 1 are provided with fixing grooves. Through the cooperation of the fixing blocks and the fixing grooves, the pressure plate 4 can be stably fixed on the base 1. The conductive terminal 2 is linearly arranged along the longitudinal extension direction of the base 1, and the ground terminal 3 is arranged on both sides of the base 1. One side of the base 1 is provided with an opening 1A, and the opening 1A is provided with a guide portion 1B inclined from bottom to top. One side of the pressure plate 4 is provided with a pressing portion 4A cooperating with the guide portion 1B. One end of the conductive terminal 2 is provided with an outwardly extending contact arm 2A, and the contact arm 2A is provided with a first contact point 211A and a second contact point 212A cooperating with the guide portion 1B. The first contact point 211A and the second contact point 212A are sequentially arranged along the extension direction of the contact arm 2A. The end portions of the first contact point 211A and the second contact point 212A have the same height in the direction from the contact arm 2A to the pressure plate 4. The guide portion 1B enables the flexible circuit board to be slightly raised after being inserted into the connector, thereby reducing the deformation amount of the contact arm 2A when contacting the flexible circuit board.

[0024] As Figure 3 shown, after the flexible circuit board is inserted into the opening 1A, the pressing portion 4A on the pressure plate 4 cooperates with the guide portion 1B to make the flexible circuit board tightly contact the guide portion 1B and contact the first contact point 211A and the second contact point 212A respectively. When the flexible circuit board contacts the contact points, the contact arm 2A can be slightly deformed downward to avoid scratching the surface of the flexible circuit board while ensuring good electrical contact. At the same time, since the end portions of the first contact point 211A and the second contact point 212A have the same height, the contact pressure is uniformly distributed when contacting the flexible circuit board, thereby avoiding a series of problems such as poor contact caused by uneven distribution of contact pressure.

[0025] The contact arm 2A comprises a contact portion 21A and a curved elastic portion 22A, the first contact point 211A and the second contact point 212A are arranged in sequence at one end of the contact portion 21A, and the two ends of the curved elastic portion 22A are connected with the contact portion 21A and the conductive terminal 2 respectively. The curved elastic portion 22A makes the contact arm 2A have good elastic recovery force, so as to avoid fatigue fracture of the contact arm 2A after long-time use. And through the elastic recovery force, the first contact point 211A and the second contact point 212A on the contact portion 21A can be tightly attached to the flexible circuit board, so as to maintain stable electrical connection.

[0026] In addition, one end of the conductive terminal 2 is provided with a fixed arm 2B which is rotationally matched with the rotating pressing plate 4, the fixed arm 2B is arranged in a spaced manner with the contact arm 2A and extends along the extension direction of the contact arm 2A. The fixed arm 2B and the rotating pressing plate 4 are respectively provided with a clamping groove 21B and a clamping block 4B which are matched with each other. Through the cooperation of the clamping groove 21B and the clamping block 4B, the rotating pressing plate 4 can be rotationally matched with the fixed arm 2B, so as to realize stable pressing of the flexible circuit board. Moreover, since the clamping groove 21B is arranged directly above the first and second contact points 212A, the rotating shaft of the rotating pressing plate 4 is located directly above the contact points, so that the pressure applied by the rotating pressing plate 4 to the flexible circuit board is uniformly distributed during the pressing process, and the contact stability between the circuit board and the contact points is further improved.

[0027] In addition, the cross sections of the first contact point 211A and the second contact point 212A are triangular or circular arc-shaped. The circular arc-shaped contact point is suitable for occasions which need to be frequently plugged in and out, because the edge thereof is smooth, and the wear of the flexible circuit board can be reduced. The triangular contact point can provide more accurate contact points due to the sharp edge thereof, and is suitable for applications which need high-precision contact. The two kinds of contact point designs can select the most suitable contact mode according to different use requirements and environmental conditions, so as to improve the overall electrical connection performance and reliability. In this embodiment, the triangular contact point design is adopted to meet the requirement of high-precision contact.

[0028] One end of the pressing portion 4A is provided with an inclined surface 41A which is matched with the guide portion 1B, and the inclination angle of the inclined surface 41A is the same as that of the guide portion 1B. Through the inclined surface 41A which is parallel to the guide portion 1B, the contact area between the pressing portion 4A and the circuit board can be increased when the pressing portion 4A is matched with the guide portion 1B, so as to realize more uniform pressure distribution. The stability and reliability of the circuit board are improved, and the damage of the circuit board caused by uneven pressure is effectively prevented. Therefore, the performance stability of the circuit board during long-time use is ensured.

[0029] One end of the rotating pressing plate 4 is provided with an outwardly extending pressing piece 4C. The design of the pressing piece 4C enables the user to easily lift the rotating pressing plate 4, so that the fixed block on the rotating pressing plate 4 is separated from the fixed groove on the base 1, the circuit board is loosened, and the purpose of quickly replacing the circuit board is achieved.

[0030] The utility model has the advantages that: the guiding part 1B is matched with the pressing part 4A on the rotating pressing plate 4, so that the flexible circuit board is tightly attached to the guiding part 1B and is in contact with the first contact 211A and the second contact 212A respectively. Thus, the stable connection between the circuit board and the contacts is ensured. In addition, the end portions of the first contact 211A and the second contact 212A have the same height, so that the contact pressure between the contacts and the circuit board is consistent, thereby avoiding the problems of poor contact and the like caused by uneven contact pressure.

[0031] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above with the preferred embodiment, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the utility model, and the equivalent embodiments with equivalent changes are equivalent to the embodiments. Any simple modification, equivalent change and modification of the above embodiments within the scope of the technical solution of the utility model are within the scope of the technical solution of the utility model.

Claims

1. A flip-top type dual-contact FPC connector, comprising a base (1), conductive terminals (2), ground terminals (3), and a rotatable pressure plate (4), characterized in that: The base (1) has an opening (1A) on one side, and a guide portion (1B) that slopes upward from bottom to top is provided in the opening (1A). The pressure plate (4) has a pressing portion (4A) on one side that cooperates with the guide portion (1B). One end of the conductive terminal (2) has an outwardly extending contact arm (2A). The contact arm (2A) has a first contact (211A) and a second contact (212A) that cooperate with the guide portion (1B). The first contact (211A) and the second contact (212A) are arranged sequentially along the extension direction of the contact arm (2A). Along the direction from the contact arm (2A) to the pressure plate (4), the end heights of the first contact (211A) and the second contact (212A) are the same.

2. The flip-type dual-contact FPC connector according to claim 1, characterized in that: The contact arm (2A) includes a contact portion (21A) and a flexible portion (22A). The first contact point (211A) and the second contact point (212A) are sequentially disposed at one end of the contact portion (21A). The two ends of the flexible portion (22A) are respectively connected to the contact portion (21A) and the conductive terminal (2).

3. A flip-type dual-contact FPC connector according to claim 1 or 2, characterized in that: One end of the conductive terminal (2) is provided with a fixed arm (2B) that rotates with the pressure plate (4). The fixed arm (2B) is spaced apart from the contact arm (2A) and extends along the extension direction of the contact arm (2A).

4. The flip-type dual-contact FPC connector according to claim 3, characterized in that: The fixed arm (2B) and the pressure plate (4) are respectively provided with a slot (21B) and a block (4B) that cooperate with each other.

5. The flip-type dual-contact FPC connector according to claim 1, characterized in that: The cross-sections of the first contact (211A) and the second contact (212A) are both triangular or circular arc-shaped.

6. The flip-type dual-contact FPC connector according to claim 1, characterized in that: One end of the pressing part (4A) is provided with an inclined surface (41A) that cooperates with the guide part (1B), and the inclination angle of the inclined surface (41A) is the same as the inclination angle of the guide part (1B).

7. A flip-type dual-contact FPC connector according to claim 1, characterized in that: One end of the pressure plate (4) is provided with an outwardly extending paddle (4C).

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