Novel FPC connector with high-frequency and electromagnetic shielding functions

Abstract

The utility model relates to a novel FPC connector with high frequency and electromagnetic shielding functions, which comprises a plastic main body, a rotary upper cover, contact terminals and a grounding elastic sheet ear clip, a plurality of contact terminals are uniformly arranged on the plastic main body along the length direction of the plastic main body, the rotary upper cover is arranged at the upper part of the plastic main body, and the grounding elastic sheet ear clip is arranged on the plastic main body. And the contact terminal is subjected to press fit. Two sides of the plastic main body are respectively provided with a grounding elastic sheet ear clip, and the two grounding elastic sheet ear clips are symmetrically arranged on the plastic main body; each contact terminal comprises an upper press-fit terminal and a lower contact terminal corresponding to the upper press-fit terminal, and the upper press-fit terminal and the lower contact terminal are arranged independently from each other. The utility model has the advantages that the contact terminals are separated into two types of terminals which are not connected with each other, so that signal reflection is blocked, and the signal transmission speed is improved.

Description

Technical Field

[0001] The utility model relates to a novel FPC connector with high frequency and electromagnetic shielding functions, belonging to the field of connectors. Background Art

[0002] FPC board-side connectors are mainly used in Computer, Digital Camera, Printer, CD-ROM, Mobile Phone, LCD-Module, FPD (LCD, PDP, ELD, OLED, FED, projection display, etc.) display, WIFI connection and other fields, and the connection method is a non-permanent connection.

[0003] The same type of FPC connector (front flip cover) currently on the market consists of a rotating upper cover, contact terminals, a plastic body, and metal ear buckles. Since the upper and lower arms of the contact terminals of this structure are the same terminal and are connected to each other, signal transmission will be reflected, affecting signal transmission.

[0004] For example, the patent number is: 201220393455.0, and the name of the invention is: A plurality of connected electrical connectors, each of which is provided with a plastic base and at least one row of terminals, the plastic base is provided with a connecting groove, the at least one row of terminals is provided on the plastic base, each terminal is integrally provided with a contact portion, a fixing portion and a pin, the contact portion is located in the connecting groove, the fixing portion is fixed to the plastic base, the pin extends out of the plastic base, the plastic bases of the plurality of electrical connectors are integrally connected by a plastic connecting structure, and the insertion opening of the connecting groove faces upward, and the terminal spacing of at least one row of terminals of the plurality of electrical connectors is the same, and this technical solution has the above-mentioned problem. Utility Model Content

[0005] In order to overcome the defects of the prior art, the utility model provides a new FPC connector with high frequency and electromagnetic shielding functions. The technical solution of the utility model is:

[0006] A novel FPC connector with high-frequency and electromagnetic shielding functions comprises a plastic body, a rotating upper cover, a contact terminal and a grounding spring ear buckle. On the plastic body, a plurality of contact terminals are evenly arranged along the length direction of the plastic body. The rotating upper cover is installed on the upper part of the plastic body and presses the contact terminal. A grounding spring ear buckle is respectively installed on both sides of the plastic body, and the two grounding spring ear buckles are symmetrically arranged on the plastic body. Each of the contact terminals comprises an upper pressing terminal and a lower contact terminal corresponding to the upper pressing terminal, and the upper pressing terminal and the lower contact terminal are independently arranged. The upper pressing terminal comprises an upper terminal body, one end of the upper terminal body forms a limit hook, and the other end forms a terminal limit area, and an upper terminal clamping point is formed on the upper terminal body between the terminal limit area and the limit hook.

[0007] The lower contact terminal comprises a lower terminal body, the front end of which forms a lower terminal contact point, and the rear part forms a lower terminal welding foot; a lower terminal clamping point is arranged at the upper part of the lower terminal body between the lower terminal contact point and the lower terminal welding foot.

[0008] The lower contact terminal includes a lower terminal body, which is arranged in a bent shape as a whole; the front end of the lower terminal body forms a lower terminal contact point, and the rear part forms a lower terminal welding foot; lower terminal clamping points are arranged on both sides of the lower terminal body between the lower terminal contact point and the lower terminal welding foot.

[0009] The grounding spring ear buckle includes an ear buckle body, an ear buckle body clamping point cooperating with the plastic body is arranged at the lower part of the front end of the ear buckle body, and a limiting protrusion cooperating with the rotating upper cover is arranged at the upper part; an ear buckle body welding foot and a grounding spring are arranged at the rear end of the ear buckle body, and the grounding spring and the ear buckle body welding foot are respectively arranged on both sides of the ear buckle body, wherein the grounding spring is located at the upper part of the ear buckle body, and the ear buckle body welding foot is located at the lower part of the ear buckle body.

[0010] The rotating upper cover comprises an upper cover body, on which an outer rotating upper cover shaft rotatably matched with a plastic body is arranged, and at both ends of the upper cover body plastic engaging convex points matched with the plastic body are arranged.

[0011] An upper press-fit terminal insertion port and a lower contact terminal insertion port are provided on one side of the plastic body, the upper press-fit terminal is inserted into the upper press-fit terminal insertion port, and the lower contact terminal is inserted into the lower contact terminal insertion port; a grounding spring sheet insertion port and a stop wire boss are provided on the other side of the plastic body, the stop wire boss is located at the lower part of the grounding spring sheet insertion port, limits the welding foot of the ear button body, and the grounding spring sheet is inserted into the grounding spring sheet insertion port.

[0012] The advantages of the utility model are:

[0013] 1. Separate the contact terminals into two unconnected terminals to block signal reflection and increase signal transmission speed.

[0014] 2. The grounding spring design is added, and it is designed as an integral workpiece with the grounding spring ear buckle to achieve grounding of the shielding layer of the FFC cable. At the same time, the grounding spring adopts a semicircular bending design to improve the rebound effect of the contact spring and avoid wearing the shielding layer of the FFC cable. The integrated design of the grounding spring ear buckle improves the overall mechanical strength, and the main welding foot of the ear buckle adopts an M-shaped design, which can increase the welding area and enhance the product's board removal force.

[0015] 3. The grounding spring of the utility model realizes grounding performance and reduces electromagnetic interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0017] Figure 2 yes Figure 1 Schematic diagram of the working principle of the first embodiment structure of the upper press-fit terminal and the lower contact terminal.

[0018] Figure 3 yes Figure 1 Schematic diagram of the working principle of the second embodiment structure of the upper press-fit terminal and the lower contact terminal.

[0019] Figure 4 yes Figure 2 Schematic diagram of the upper press-fit terminal and lower contact terminal structure.

[0020] Figure 5 yes Figure 3 Schematic diagram of the upper press-fit terminal and lower contact terminal structure.

[0021] Figure 6 yes Figure 1 Structural cross-sectional view of the plastic body.

[0022] Figure 7 yes Figure 1 Schematic diagram of the structure of the middle grounding spring ear buckle.

[0023] Figure 8 yes Figure 1 Schematic diagram of the structure of the rotating upper cover. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with specific embodiments, and the advantages and features of the present invention will become clearer as the description proceeds. However, these embodiments are merely exemplary and do not constitute any limitation to the scope of the present invention. It should be understood by those skilled in the art that the details and forms of the technical solution of the present invention may be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements fall within the scope of protection of the present invention.

[0025] See also Figures 1 to 8 The utility model relates to a novel FPC connector with high-frequency and electromagnetic shielding functions, comprising a plastic body 2, a rotating upper cover 1, a contact terminal and a grounding spring ear buckle 5. On the plastic body 2, a plurality of contact terminals are evenly arranged along the length direction of the plastic body 2. The rotating upper cover 1 is installed on the upper part of the plastic body 2 and presses the contact terminal; a grounding spring ear buckle 5 is respectively installed on both sides of the plastic body 2, and the two grounding spring ear buckles 5 are symmetrically arranged on the plastic body 1; each of the contact terminals comprises an upper press-fit terminal 3 and a lower contact terminal 4 corresponding to the upper press-fit terminal 3, and the upper press-fit terminal 3 and the lower contact terminal 4 are independently arranged; the upper press-fit terminal 3 comprises an upper terminal body 31, one end of the upper terminal body 31 forms a limit hook 32, and the other end forms a terminal limit area 34, and an upper terminal clamping point 33 is formed on the upper terminal body 31 between the terminal limit area 34 and the limit hook 32.

[0026] like Figure 2 and Figure 4 As shown, the lower contact terminal includes a lower terminal body 41, a lower terminal contact point 42 is formed at the front end of the lower terminal body 41, and a lower terminal welding foot 44 is formed at the rear; a lower terminal clamping point 43 is arranged at the upper part of the lower terminal body 41 between the lower terminal contact point 42 and the lower terminal welding foot 44.

[0027] like Figure 3 and Figure 5 As shown, the lower contact terminal includes a lower terminal body, which is arranged in a bent shape as a whole; the front end of the lower terminal body forms a lower terminal contact point, and the rear part forms a lower terminal welding foot; lower terminal clamping points 43 are arranged on both sides of the lower terminal body between the lower terminal contact point and the lower terminal welding foot. The difference from the first embodiment is that the overall shape of the lower terminal body and the setting position of the lower terminal clamping point 43 are different.

[0028] The grounding spring ear buckle comprises an ear buckle body, an ear buckle body clamping point 53 cooperating with the plastic body is arranged at the lower part of the front end of the ear buckle body, and a limiting protrusion 54 cooperating with the rotating upper cover 1 is arranged at the upper part; an ear buckle body welding foot 52 and a grounding spring 51 are arranged at the rear end of the ear buckle body, and the grounding spring 51 and the ear buckle body welding foot 52 are respectively arranged on both sides of the ear buckle body, wherein the grounding spring 51 is located at the upper part of the ear buckle body, and the ear buckle body welding foot 52 is located at the lower part of the ear buckle body.

[0029] like Figure 8 As shown, the rotating upper cover comprises an upper cover body, on which an outer rotating upper cover shaft 55 is provided for rotationally cooperating with the plastic body 2 , and at both ends of the upper cover body plastic engaging protrusions 56 are provided for cooperating with the plastic body 2 .

[0030] like Figure 6 As shown, an upper press-fit terminal insertion port 21 and a lower contact terminal insertion port 22 are provided on one side of the plastic body 2, the upper press-fit terminal 3 is inserted into the upper press-fit terminal insertion port 21, and the lower contact terminal 4 is inserted into the lower contact terminal insertion port 22; a grounding spring sheet insertion port 23 and a stop wire boss 24 are provided on the other side of the plastic body 2, the stop wire boss 24 is located at the lower part of the grounding spring sheet insertion port 23, limits the ear buckle body welding foot 52, and the grounding spring sheet 51 is inserted into the grounding spring sheet insertion port 23.

[0031] The working principle of the utility model is:

[0032] The contact terminal is divided into two independent terminals, namely, an upper press-fit terminal 3 and a lower contact terminal 4. Figures 2 to 5 As shown, when the signal is transmitted, the upper compression terminal does not transmit the signal, and only the lower contact terminal 4 is used to reduce the loss of signal transmission, thereby improving the transmission speed.

[0033] During assembly, first install the lower contact terminal 4 into the plastic body, insert the upper press-fit terminal into the upper press-fit terminal insertion port 21 of the plastic body, insert the lower contact terminal into the lower contact terminal insertion port 22 of the plastic body, and assemble the rotating upper cover 1 into the limit hook 32 of the upper press-fit terminal so as to match with the outer shaft 55 of the rotating upper cover to achieve the limit of the rotating upper cover 1; then insert the two grounding spring ear buckles into the plastic body respectively, thereby realizing the assembly of the utility model.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new FPC connector with high frequency and electromagnetic shielding functions, characterized in that: It includes a plastic body, a rotating upper cover, a contact terminal and a grounding spring ear buckle. On the plastic body, a plurality of contact terminals are evenly arranged along the length direction of the plastic body. The rotating upper cover is installed on the upper part of the plastic body and presses the contact terminal. A grounding spring ear buckle is installed on both sides of the plastic body, and the two grounding spring ear buckles are symmetrically arranged on the plastic body. Each of the contact terminals includes an upper pressing terminal and a lower contact terminal corresponding to the upper pressing terminal, and the upper pressing terminal and the lower contact terminal are independently arranged. The upper pressing terminal includes an upper terminal body, one end of the upper terminal body forms a limit hook, and the other end forms a terminal limit area, and an upper terminal clamping point is formed on the upper terminal body between the terminal limit area and the limit hook.

2. The novel FPC connector with high frequency and electromagnetic shielding function according to claim 1 is characterized in that: The lower contact terminal comprises a lower terminal body, the front end of which forms a lower terminal contact point, and the rear part forms a lower terminal welding foot; a lower terminal clamping point is arranged at the upper part of the lower terminal body between the lower terminal contact point and the lower terminal welding foot.

3. The novel FPC connector with high frequency and electromagnetic shielding function according to claim 1 is characterized in that: The lower contact terminal includes a lower terminal body, which is arranged in a bent shape as a whole; the front end of the lower terminal body forms a lower terminal contact point, and the rear part forms a lower terminal welding foot; lower terminal clamping points are arranged on both sides of the lower terminal body between the lower terminal contact point and the lower terminal welding foot.

4. The novel FPC connector with high frequency and electromagnetic shielding function according to claim 2 or 3, characterized in that: The grounding spring ear buckle includes an ear buckle body, an ear buckle body clamping point cooperating with the plastic body is arranged at the lower part of the front end of the ear buckle body, and a limiting protrusion cooperating with the rotating upper cover is arranged at the upper part; an ear buckle body welding foot and a grounding spring are arranged at the rear end of the ear buckle body, and the grounding spring and the ear buckle body welding foot are respectively arranged on both sides of the ear buckle body, wherein the grounding spring is located at the upper part of the ear buckle body, and the ear buckle body welding foot is located at the lower part of the ear buckle body.

5. The novel FPC connector with high frequency and electromagnetic shielding function according to claim 4 is characterized in that: The rotating upper cover comprises an upper cover body, on which an outer rotating upper cover shaft rotatably matched with a plastic body is arranged, and at both ends of the upper cover body plastic engaging convex points matched with the plastic body are arranged.

6. The novel FPC connector with high frequency and electromagnetic shielding function according to claim 4 is characterized in that: An upper press-fit terminal insertion port and a lower contact terminal insertion port are provided on one side of the plastic body, the upper press-fit terminal is inserted into the upper press-fit terminal insertion port, and the lower contact terminal is inserted into the lower contact terminal insertion port; a grounding spring sheet insertion port and a stop wire boss are provided on the other side of the plastic body, the stop wire boss is located at the lower part of the grounding spring sheet insertion port, limits the welding foot of the ear button body, and the grounding spring sheet is inserted into the grounding spring sheet insertion port.

7. The novel FPC connector with high frequency and electromagnetic shielding functions according to claim 4 is characterized in that: The welding feet of the ear clip body are arranged in an M shape as a whole.

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