FPC board connector

Abstract

The utility model discloses an FPC board connector comprising an insulation body, a metal housing fixedly arranged on the insulation body and an FPC board plugged in the insulation body, the insulation body is provided with a near-end portion, a far-end portion and a side portion connecting the near-end portion and the far-end portion, the near-end portion is provided with an accommodating groove recessed inwards, and the far-end portion is provided with a side portion connecting the near-end portion and the far-end portion. The metal shell is provided with a top plate covering the top surface of the insulating body and a side plate extending downwards from the top plate. The FPC board is provided with a butt joint part contained in the containing groove and clamping parts located on the two sides of the butt joint part. The metal shell is provided with a pivot joint part located at the joint of the top plate and the side plate, an elastic piece extending inwards into the groove from the pivot joint part and a guide part located on the elastic piece, the guide part guides insertion of the butt joint part, and when the butt joint part is completely inserted into the containing groove, the elastic piece extends into the groove from the pivot joint part. And the elastic sheet is automatically locked in the clamping part, so that automatic locking is realized, and the plugging process of the FPC board is greatly simplified.

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 board 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 board connector to overcome the above defects. Utility Model Content

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

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an FPC board connector, comprising an insulating body extending in the transverse direction, a metal shell fixedly mounted on the insulating body and an FPC board plugged into the insulating body, the insulating body being provided with a proximal portion connected to the FPC board, a distal portion away from the FPC board in the longitudinal direction and a side portion connecting the proximal portion and the distal portion, the proximal portion being provided with a receiving groove recessed inward in the longitudinal direction, the side portions being located on both lateral sides of the proximal portion, the metal shell 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 a clamping portion located on both lateral sides of the docking portion. The side portion is provided with an inwardly recessed groove, and the groove is connected to the receiving groove. The metal shell is provided with a pivot portion located at the connection between the top plate and the side plate, a spring sheet extending downward and inward from the pivot portion into the groove, and a guide portion located on the spring sheet, and the guide portion extends toward the proximal end portion to guide the insertion of the docking portion. When the docking portion is fully inserted into the receiving groove, the spring sheet is automatically locked in the locking portion.

[0007] In a preferred embodiment, the spring sheet is formed by tearing the side plate vertically and extending into the groove in a transverse direction, and the guide portion is formed by extending obliquely downward from one longitudinal side of the spring sheet.

[0008] In a preferred embodiment, when the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes against the guiding portion to drive the spring sheet to deform and avoid the docking portion.

[0009] In a preferred embodiment, when the docking portion of the FPC board is fully inserted into the receiving groove, the elastic sheet rebounds and is accommodated in the engaging portion to limit the docking portion in the receiving groove.

[0010] In a preferred embodiment, the metal shell is provided with a pressing portion extending laterally from the pivot portion, the receiving groove is provided with an insertion interface penetrating the longitudinal end surface of the proximal portion, the pivot portion is arranged adjacent to the insertion interface, and the pressing portion is formed by tearing laterally from the top plate.

[0011] In a preferred embodiment, the groove passes through the top surface of the insulating body upward, and the pressing portion is located above the groove. When the pressing portion is pressed toward the groove, the spring sheet is driven to disengage from the locking portion, and the docking portion can be pulled out of the receiving groove without hindrance.

[0012] In a preferred embodiment, the side portion is provided with a protrusion located at the lower end and protruding outward in the transverse direction, and the side plate is provided with a notch formed by being recessed upward from the bottom edge, and the protrusion is clamped in the notch.

[0013] In a preferred embodiment, the side portion is provided with a plurality of buckling portions located at the upper end and protruding outward in the transverse direction, and the side plate is provided with a plurality of buckling holes penetrating in the transverse direction, and the buckling portions are buckled in the buckling holes.

[0014] In a preferred embodiment, the FPC board 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, the metal shell is provided with a pivot portion located at the connection between the top plate and the side plate, a spring sheet extending downward and inward from the pivot portion into the groove, and a guide portion located on the spring sheet, the guide portion extends toward the proximal end portion to guide the insertion of the docking portion, and when the docking portion is fully inserted into the receiving groove, the spring sheet is automatically locked in the engaging portion, thereby realizing automatic locking of the FPC board 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 board connector in a preferred embodiment of the utility model.

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

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

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

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

[0022] See also Figures 1 to 5 As shown, the preferred embodiment of the utility model discloses an FPC board 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 board 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 shell 30 fixed on the insulating body 10, and an FPC board 40 plugged into the insulating body 10. The FPC board 40 is provided with a docking portion 41 plugged into the insulating body 10 and a clamping portion 42 located on both sides of the docking portion 41 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 41 of the FPC board 40, a distal portion 12 longitudinally away from the FPC board 40, 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 41 of the FPC board 40 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 is connected to the receiving groove 110. When the docking portion 41 of the FPC board 40 is plugged into the receiving groove 110, the engaging portion 42 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 41, 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 41 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 shell 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 portion 13 is provided with a protrusion 132 located at the lower end and protruding outward in the transverse direction and a plurality of buckling portions 133 located at the upper end and protruding outward in the transverse direction, and the side plate 32 is provided with a notch 320 formed by being recessed upward from the bottom edge and a plurality of buckling holes 321 penetrating in the transverse direction; the protrusion 132 is clamped in the notch 320, and the buckling portion 133 is buckled in the buckling hole 321, so that the metal shell 30 is fixed on the insulating body 10.

[0026] The metal shell 30 is further provided with a pivoting portion 33 located at the connection between the top plate 31 and the side plate 32, a spring piece 34 extending downward and inward from the pivoting portion 33 into the groove 131, and a pressing portion 35 extending laterally from the pivoting portion 33. The pivoting portion 33 extends longitudinally and is disposed adjacent to the plug-in interface, and the spring piece 34 is formed by tearing the side plate 32 vertically and extending laterally into the groove 131. In addition, the spring piece 34 is provided with a guide portion 341 extending downward and obliquely from one longitudinal side of the spring piece 34, and the guide portion 341 extends toward the proximal portion 11 to guide the insertion of the docking portion 41, and when the docking portion 41 is fully inserted into the receiving slot 110, the spring piece 34 is automatically locked in the engaging portion 42.

[0027] Specifically, when the docking portion 41 of the FPC board 40 is inserted into the receiving groove 110, the docking portion 41 pushes against the guiding portion 341, thereby driving the spring sheet 34 to deform to avoid the docking portion 41, and when the docking portion 41 is fully inserted into the receiving groove 110, the spring sheet 34 rebounds and is accommodated in the clamping portion 42 to limit the docking portion 41 in the receiving groove 110, thereby realizing the automatic locking of the FPC board connector 100, and greatly simplifying the plug-in process of the FPC board 40. At the same time, the groove 131 penetrates the top surface of the insulating body 10 upward, and the pressing portion 35 is formed by tearing the top plate 31 in the horizontal direction and is located above the groove 131. When the pressing portion 35 is pressed toward the groove 131, the spring sheet 34 is driven to disengage the clamping portion 42, and at this time, the docking portion 41 can be pulled out of the receiving groove without obstacles.

[0028] 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 metal shell 30 is provided with a pivot portion 33 located at the connection between the top plate 31 and the side plate 32, a spring 34 extending downward and inward from the pivot portion 33 into the groove 131, and a guide portion 341 located on the spring 34. The guide portion 341 extends toward the proximal portion 11 to guide the insertion of the docking portion 41. When the docking portion 41 is fully inserted into the receiving groove 110, the spring 34 is automatically locked in the locking portion 42, thereby realizing the automatic locking of the FPC board connector 100 and greatly simplifying the plug-in process of the FPC board.

[0029] 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 board connector, comprising an insulating body extending in a transverse direction, a metal shell fixedly mounted on 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 shell 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 a clamping portion located at both lateral sides of the docking portion; characterized in that: The side portion is provided with an inwardly recessed groove, and the groove is connected to the receiving groove. The metal shell is provided with a pivot portion located at the connection between the top plate and the side plate, a spring sheet extending downward and inward from the pivot portion into the groove, and a guide portion located on the spring sheet, and the guide portion extends toward the proximal end portion to guide the insertion of the docking portion. When the docking portion is fully inserted into the receiving groove, the spring sheet is automatically locked in the locking portion.

2. The FPC board connector according to claim 1, characterized in that: The spring sheet is formed by tearing the side plate in the vertical direction and extending into the groove in the transverse direction. The guide portion is formed by extending obliquely downward from one longitudinal side of the spring sheet.

3. The FPC board connector according to claim 1, characterized in that: When the butt joint portion of the FPC board is inserted into the receiving groove, the butt joint portion pushes against the guiding portion to drive the spring sheet to deform and avoid the butt joint portion.

4. The FPC board connector according to claim 3, characterized in that: When the docking portion of the FPC board is completely inserted into the receiving groove, the elastic sheet rebounds and is accommodated in the engaging portion to limit the docking portion in the receiving groove.

5. The FPC board connector according to claim 1, characterized in that: The metal shell is provided with a pressing portion extending laterally from the pivoting portion, the receiving groove is provided with an insertion port penetrating the longitudinal end surface of the proximal portion, the pivoting portion is arranged adjacent to the insertion port, and the pressing portion is formed by tearing laterally from the top plate.

6. The FPC board connector according to claim 5, characterized in that: The groove passes through the top surface of the insulating body upwards, and the pressing portion is located above the groove. When the pressing portion presses toward the groove, the spring is driven to disengage from the engaging portion, and the docking portion can be pulled out of the receiving groove without obstacles.

7. The FPC board connector according to claim 1, characterized in that: The side portion is provided with a protrusion which is located at the lower end and protrudes outward in the transverse direction, and the side plate is provided with a notch which is formed by being recessed upward from the bottom edge, and the protrusion is clamped in the notch.

8. The FPC board connector according to claim 7, characterized in that: The side portion is provided with a plurality of buckling parts which are located at the upper end and protrude outward in the transverse direction, and the side plate is provided with a plurality of buckling holes which penetrate in the transverse direction, and the buckling parts are buckled in the buckling holes.

9. The FPC board connector according to claim 1, characterized in that: The FPC board 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 board connector according to claim 9, characterized in that: 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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