FPC Connectors

Abstract

The utility model discloses an FPC connector, including an insulating body, a metal cover plate pivotally connected to the insulating body, and an FPC board plugged into the insulating body, wherein the insulating body is provided with a proximal end portion, a distal end portion, and a side portion connecting the proximal end portion and the distal end portion, wherein the proximal end portion is provided with an inwardly recessed receiving groove, the metal cover plate is provided with a top plate covering the top surface of the insulating body and a side plate extending downward from the top plate, and the FPC board is provided with a docking portion accommodated in the receiving groove and a notch portion located on both sides of the docking portion. The side portion is provided with an inwardly recessed groove, the groove is connected to the receiving groove, and the side plate is provided with an elastic sheet extending inwardly into the groove; when the docking portion is inserted into the receiving groove, the docking portion pushes the elastic sheet to deform to avoid the docking portion, and when the docking portion is fully inserted into the receiving groove, the elastic sheet rebounds and is accommodated in the notch portion to limit the docking portion, thereby realizing automatic locking, which greatly simplifies the plugging process of the FPC board.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible circuit board connection structures, in particular to a stably fixed FPC connector. Background Art

[0002] FPC (Flexible Printed Circuit) is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. It is widely used in aerospace, military, mobile communications, laptops, computer peripherals, PDAs, digital cameras and other fields or products.

[0003] The flexible printed circuit board connector generally includes an insulating body, a metal cover plate covered on the insulating body, and a flexible printed circuit board connected to the insulating body; in the traditional process, when the flexible printed circuit board is plugged in, the metal cover plate is first opened, the docking part of the flexible printed circuit board is plugged into the plug-in slot of the insulating body, and then the metal cover plate is closed to lock the flexible printed circuit board. However, the plug-in and pull-out assembly process of the above-mentioned flexible printed circuit board is relatively complicated.

[0004] Therefore, it is hoped to provide a new FPC connector to overcome the above defects. Utility Model Content

[0005] The utility model aims to provide an FPC connector which is stably fixed and easy to assemble.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an FPC connector, comprising an insulating body extending in a transverse direction, a metal cover plate pivotally connected to the insulating body and an FPC board plugged into the insulating body, the insulating body being provided with a proximal end portion connected to the FPC board, a distal end portion away from the FPC board in a longitudinal direction and a side portion connecting the proximal end portion and the distal end portion, the proximal end portion being provided with a receiving groove recessed inward in a longitudinal direction, the side portions being located at both lateral sides of the proximal end portion, the metal cover plate being provided with a top plate covering the top surface of the insulating body and side plates extending downward from the top plate, the side plates at least partially covering the side portions, the FPC board being provided with a docking portion accommodated in the receiving groove and notch portions located at both lateral sides of the docking portion. The side portion is provided with an inwardly recessed groove, the groove is connected to the receiving groove, and the side plate is provided with a spring sheet extending inwardly into the groove; when the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes the spring sheet to deform to avoid the docking portion, and when the docking portion is fully inserted into the receiving groove, the spring sheet rebounds and is accommodated in the notch portion to limit the docking portion in the receiving groove.

[0007] In a preferred embodiment, the groove passes through the top surface of the insulating body upwardly, so that when the metal cover plate pivots relative to the insulating body, the elastic sheet moves downward to be accommodated in the groove or moves upward to escape from the groove.

[0008] In a preferred embodiment, the proximal portion is provided with a clamping portion located on both sides and protruding outward, the side plate is provided with a clamping hole passing through in the transverse direction, and when the metal cover plate is covered on the top surface of the insulating body, the clamping portion is buckled in the clamping hole.

[0009] In a preferred embodiment, the receiving groove is provided with an insertion port penetrating through the longitudinal end surface of the proximal portion, the spring sheet is arranged adjacent to the insertion port, the top plate is provided with a penetrating through hole, and the through hole is located above the spring sheet.

[0010] In a preferred embodiment, the distal end portion is provided with a receiving portion recessed inward from the lateral end surface, and the metal cover plate is provided with a pivot portion located on the side plate, and the pivot portion is arranged away from the spring sheet in the longitudinal direction and extends inward from the side plate into the receiving portion, so that the metal cover plate is pivotally connected to the insulating body.

[0011] In a preferred embodiment, the FPC connector includes a fixing plate connected to the insulating body, the fixing plate is provided with a fixing portion fixed on the distal end portion, a welding portion accommodated in the accommodating portion, and a C-shaped connecting portion connecting the fixing portion and the welding portion, the C-shaped connecting portion and the accommodating portion together form an accommodating area, and the pivot portion is accommodated in the accommodating area.

[0012] In a preferred embodiment, when the metal cover is pivoted and covers the top surface of the insulating body, the spring sheet is received in the groove. At this time, the docking portion is fully inserted into the receiving groove, and the spring sheet can be automatically locked in the notch.

[0013] In a preferred embodiment, when the metal cover plate is pivoted and exposes the top surface of the insulating body, the elastic sheet is disengaged from the groove, and at this time, the docking portion can be pulled out of the receiving groove without any obstacles.

[0014] In a preferred embodiment, the FPC connector includes a plurality of conductive terminals retained in the insulating body, the conductive terminals being provided with contact portions extending into the receiving grooves, the conductive terminals including a first terminal and a second terminal spaced apart in the transverse direction, and the contact portions of the first terminal and the second terminal being located at the same height.

[0015] In a preferred embodiment, the first terminal is inserted into the insulating body from the proximal end portion along the longitudinal direction, and the second terminal is inserted into the insulating body from the distal end portion along the longitudinal direction, and the first terminal and the second terminal are inserted in opposite directions in the longitudinal direction.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the side portion is provided with an inwardly recessed groove, the groove is connected to the receiving groove, and the side plate is provided with a spring sheet extending inwardly into the groove; when the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes the spring sheet to deform to avoid the docking portion, and when the docking portion is fully inserted into the receiving groove, the spring sheet rebounds and is accommodated in the notch portion to limit the docking portion in the receiving groove, thereby realizing automatic locking of the FPC connector and greatly simplifying the plug-in process of the FPC board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of an FPC connector in a preferred embodiment of the utility model.

[0018] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the FPC connector shown in another angle.

[0019] Figure 3 yes Figure 1 Side view of the FPC connector shown.

[0020] Figure 4 yes Figure 3 An exploded view of the FPC connector is shown.

[0021] Figure 5 yes Figure 2 An exploded view of the FPC connector is shown. DETAILED DESCRIPTION

[0022] See also Figures 1 to 5 As shown, the preferred embodiment of the utility model discloses an FPC connector 100, which is mainly used in the connection and installation scene of FPC, and is convenient for repeated hot plugging of FPC. The FPC connector 100 includes an insulating body 10 extending in the horizontal direction, a plurality of conductive terminals 20 held in the insulating body 10, a metal cover plate 30 pivotally connected to the insulating body 10, and an FPC board 50 plugged into the insulating body 10. The FPC board 50 is provided with a docking portion 51 plugged into the insulating body 10 and notches 52 located on both sides of the docking portion 51 in the horizontal direction.

[0023] See also Figure 2 and Figure 5As shown, the insulating body 10 is provided with a proximal portion 11 connected to the docking portion 51 of the FPC board 50, a distal portion 12 longitudinally away from the FPC board 50, and a side portion 13 connecting the proximal portion 11 and the distal portion 12, and the side portion 13 is located on both sides of the proximal portion 11 in the transverse direction. The proximal portion 11 is provided with a receiving groove 110 that is recessed inwardly in the longitudinal direction, and the receiving groove 110 is provided with an insertion interface (not shown) that penetrates the longitudinal end surface of the proximal portion 11, and the docking portion 51 of the FPC board 50 is plugged into the receiving groove 110 through the insertion interface. The side portion 13 is provided with an inwardly recessed groove 131, and the groove 131 is arranged adjacent to the insertion interface and communicates with the receiving groove 110. When the docking portion 51 of the FPC board 50 is plugged into the receiving groove 110, the notch portion 52 is at least partially exposed to the groove 131.

[0024] Combination Figure 4 As shown, the conductive terminal 20 is provided with a fixed portion fixed in the insulating body 10, a contact portion extending from the fixed portion into the receiving groove 110, and a solder foot extending from the fixed portion out of the insulating body 10, the contact portion is used to contact the gold finger on the docking portion 51, and the solder foot is used to be soldered on a circuit board. In this embodiment, the conductive terminal 20 includes a first terminal 21 and a second terminal 22 spaced apart in the transverse direction, and the contact portions of the first terminal 21 and the second terminal 22 are located at the same height to contact the gold finger on the docking portion 51 together. The first terminal 21 is inserted into the insulating body 10 from the proximal end 11 along the longitudinal direction, and the second terminal 22 is inserted into the insulating body 10 from the distal end 12 along the longitudinal direction, and the first terminal 21 and the second terminal 22 are inserted in opposite directions in the longitudinal direction.

[0025] The metal cover plate 30 is provided with a top plate 31 covering the top surface of the insulating body 10 and a side plate 32 extending downward from the top plate 31, and the side plate 32 at least partially covers the side portion 13. The side plate 32 is provided with an elastic sheet 33 extending inwardly into the groove 131 and a pivot portion 34 located on the side plate 32, and the pivot portion 34 is disposed longitudinally away from the elastic sheet 33. The elastic sheet 33 is disposed adjacent to the plug-in port and extends obliquely in the longitudinal direction away from the proximal portion 11.

[0026] The groove 131 penetrates upwardly through the top surface of the insulating body 10, so that when the metal cover plate 30 pivots relative to the insulating body 10, the elastic piece 33 can move downward to be accommodated in the groove 131 or move upward to be separated from the groove 131. Specifically, when the metal cover plate 30 pivots and covers the top surface of the insulating body 10, the elastic piece 33 is accommodated in the groove 131, and at this time, the docking portion 51 is completely inserted into the receiving groove 110, and the elastic piece 33 can be automatically locked in the notch portion 52.

[0027] That is, when the docking portion 51 of the FPC board 50 is inserted into the receiving groove 110, the docking portion 51 pushes the spring sheet 33 to deform to avoid the docking portion 51, and when the docking portion 51 is fully inserted into the receiving groove 110, the spring sheet 33 rebounds and is accommodated in the notch portion 52 to limit the docking portion 51 in the receiving groove 110, thereby realizing the automatic locking of the FPC connector 100 and greatly simplifying the plugging process of the FPC board 50. At the same time, when the metal cover plate 30 pivots and exposes the top surface of the insulating body 10, the spring sheet 33 is separated from the groove 131, and the docking portion 51 can be pulled out of the receiving groove 110 without obstacles.

[0028] Combination Figure 3 As shown, the distal end portion 12 is provided with a receiving portion 121 recessed inwardly from the lateral end surface, and the pivoting portion 34 extends inwardly from the side plate 32 into the receiving portion 121, so that the metal cover plate 30 is pivotally connected to the insulating body 10. Specifically, the FPC connector 100 includes a fixing plate 40 connected to the distal end portion 12 of the insulating body 10, the fixing plate 40 is provided with a holding portion 41 fixed to the distal end portion 12, a welding portion 42 received in the receiving portion 121, and a C-shaped connecting portion 43 connecting the holding portion 41 and the welding portion 42, the C-shaped connecting portion 43 and the receiving portion 121 together form a receiving area, and the pivoting portion 34 is received in the receiving area and is limited.

[0029] Furthermore, in this embodiment, the top plate 31 is provided with a through hole 310, and the through hole 310 is located above the spring piece 33 and the groove 131, so as to better observe the connection process between the spring piece 33 and the docking portion 51 and the notch portion 52. The proximal portion 11 is provided with a clamping portion 111 located on both sides of the lateral direction and protruding outward, and the side plate 32 is provided with a clamping hole 321 that penetrates in the lateral direction. When the metal cover plate 30 is covered on the top surface of the insulating body 10, the clamping portion 111 is buckled in the clamping hole 321, so that the metal cover plate 30 is fixed on the insulating body 10.

[0030] In the present invention, the side portion 13 is provided with an inwardly recessed groove 131, and the groove 131 is connected to the receiving groove 110. The side plate 32 is provided with a spring sheet 33 extending inwardly into the groove 131; when the docking portion 51 of the FPC board 50 is inserted into the receiving groove 110, the docking portion 51 pushes the spring sheet 33 to deform to avoid the docking portion 51, and when the docking portion 51 is fully inserted into the receiving groove 110, the spring sheet 33 rebounds and is accommodated in the notch portion 52 to limit the docking portion 51 in the receiving groove 110, thereby realizing the automatic locking of the FPC connector 100 and greatly simplifying the plug-in process of the FPC board 50.

[0031] In summary, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. That is, all simple equivalent changes and modifications made according to the claims and description of the present invention should still fall within the scope of the present invention.

Claims

1. An FPC connector, comprising an insulating body extending in a transverse direction, a metal cover plate pivotally connected to the insulating body, and an FPC board plugged into the insulating body, the insulating body being provided with a proximal end portion connected to the FPC board, a distal end portion longitudinally away from the FPC board, and a side portion connecting the proximal end portion and the distal end portion, the proximal end portion being provided with a receiving groove recessed inward in the longitudinal direction, the side portions being located at both lateral sides of the proximal end portion, the metal cover plate being provided with a top plate covering the top surface of the insulating body and side plates extending downward from the top plate, the side plates at least partially covering the side portions, the FPC board being provided with a docking portion accommodated in the receiving groove and notches located at both lateral sides of the docking portion; characterized in that: The side portion is provided with an inwardly recessed groove, the groove is connected to the receiving groove, and the side plate is provided with a spring sheet extending inwardly into the groove; when the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes the spring sheet to deform to avoid the docking portion, and when the docking portion is fully inserted into the receiving groove, the spring sheet rebounds and is accommodated in the notch portion to limit the docking portion in the receiving groove.

2. The FPC connector according to claim 1, wherein: The groove passes through the top surface of the insulating body upwardly, so that when the metal cover plate pivots relative to the insulating body, the elastic sheet moves downward to be accommodated in the groove or moves upward to escape from the groove.

3. The FPC connector according to claim 2, wherein: The proximal portion is provided with a clamping portion located on both sides and protruding outward, the side plate is provided with a clamping hole penetrating in the transverse direction, and when the metal cover plate is covered on the top surface of the insulating body, the clamping portion is buckled in the clamping hole.

4. The FPC connector according to claim 2, wherein: The receiving groove is provided with an insertion port penetrating through the longitudinal end surface of the proximal portion, the spring sheet is arranged adjacent to the insertion port, the top plate is provided with a penetrating through hole, and the through hole is located above the spring sheet.

5. The FPC connector according to claim 2, wherein: The distal end portion is provided with a receiving portion recessed inward from the lateral end surface, and the metal cover plate is provided with a pivot portion located on the side plate. The pivot portion is arranged away from the spring sheet in the longitudinal direction and extends inward from the side plate into the receiving portion so that the metal cover plate is pivotally connected to the insulating body.

6. The FPC connector according to claim 5, wherein: The FPC connector includes a fixing plate connected to the insulating body, the fixing plate is provided with a fixing portion fixed on the distal end portion, a welding portion accommodated in the accommodating portion, and a C-shaped connecting portion connecting the fixing portion and the welding portion, the C-shaped connecting portion and the accommodating portion together form an accommodating area, and the pivoting portion is accommodated in the accommodating area.

7. The FPC connector according to claim 2, wherein: When the metal cover plate is pivoted and covers the top surface of the insulating body, the spring piece is received in the groove. At this time, the docking portion is completely inserted into the receiving groove, and the spring piece can be automatically locked in the notch.

8. The FPC connector according to claim 7, wherein: When the metal cover plate is pivoted and exposes the top surface of the insulating body, the elastic sheet is separated from the groove, and at this time, the docking portion can be pulled out from the receiving groove without any obstacles.

9. The FPC connector according to claim 1, wherein: The FPC connector includes a plurality of conductive terminals held in the insulating body, the conductive terminals are provided with contact portions extending into the receiving grooves, the conductive terminals include a first terminal and a second terminal spaced apart in the transverse direction, and the contact portions of the first terminal and the second terminal are located at the same height.

10. The FPC connector according to claim 9, wherein: The first terminal is inserted into the insulating body from the proximal end portion along the longitudinal direction, and the second terminal is inserted into the insulating body from the distal end portion along the longitudinal direction. The first terminal and the second terminal are inserted in opposite directions in the longitudinal direction.

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