Electric connector

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a metal shell fixedly arranged on the insulating body and an FPC (Flexible Printed Circuit) board inserted into the insulating body, the insulating body is provided with a near end part, a far end part and a side part connected with the near end part and the far end part, the near end part is provided with an inwards sunken accommodating groove, and the far end part is provided with an inwards sunken accommodating groove. 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 side part is provided with a groove which is recessed inwards, the groove is communicated with the accommodating groove, the top plate is provided with an elastic sheet which extends inwards into the groove, and when the butt joint part is completely inserted into the accommodating groove, the elastic sheet is automatically locked in the clamping part, so that automatic locking is realized, and the insertion process of the FPC board is extremely 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 electrical 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 electrical connector to overcome the above defects. Utility Model Content

[0005] The purpose of the utility model is to provide an electrical connector which is stable and easy to assemble.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electrical connector, comprising an insulating body extending in a transverse direction, a metal shell fixed on the insulating body and an FPC board plugged into the insulating body, the insulating body is provided with a proximal end portion connected to the FPC board, a distal end portion away from the FPC board in the longitudinal direction and a side portion connecting the proximal end portion and the distal end portion, the proximal end portion is provided with a receiving groove recessed inward in the longitudinal direction, the side portion is located at both lateral sides of the proximal end portion, the metal shell is provided with a top plate covering the top surface of the insulating body and a side plate extending downward from the top plate, the side plate at least partially covering the side portion, the FPC board is provided with a docking portion accommodated in the receiving groove and a clamping portion 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, the top plate is provided with a spring sheet extending inwardly into the groove, and when the docking portion is fully inserted into the receiving groove, the spring sheet is automatically locked in the clamping portion.

[0007] In a preferred embodiment, the elastic sheet is formed by tearing the top plate in the longitudinal direction and extending vertically into the groove.

[0008] In a preferred embodiment, when the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes the spring sheet to deform so as to 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 pivot portion located on the top plate and a pressing portion extending from one longitudinal side of the pivot portion toward the proximal end portion, the pivot portion is arranged adjacent to the side plate, and the spring sheet extends from the other longitudinal side of the pivot portion toward the distal end portion.

[0011] In a preferred embodiment, the proximal portion is provided with a clearance groove corresponding to the pressing portion, and the clearance groove is connected to the receiving groove. When the pressing portion is pressed toward the clearance groove, the spring sheet is driven to disengage from the engaging portion, and at this time 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 electrical 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, 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 top plate is provided with a spring sheet extending inwardly into the groove, and when the docking portion is fully inserted into the receiving groove, the spring sheet is automatically locked in the locking portion, thereby realizing automatic locking of the electrical 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 electrical connector in a preferred embodiment of the utility model.

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

[0019] Figure 3 yes Figure 1 A side view of the electrical connector is shown.

[0020] Figure 4 yes Figure 1 An exploded schematic diagram of the electrical connector is shown.

[0021] Figure 5 yes Figure 4 A three-dimensional schematic diagram of a metal shell in an electrical connector is shown.

[0022] Figure 6 yes Figure 3 An exploded schematic diagram of the electrical connector is shown. DETAILED DESCRIPTION

[0023] See also Figures 1 to 6 As shown, the preferred embodiment of the utility model discloses an electrical connector 100, which is mainly used in the connection and installation scene of FPC, and is convenient for repeated hot plugging of FPC. The electrical connector 100 includes an insulating body 10 extending in the lateral direction, a plurality of conductive terminals 20 fixed 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 lateral sides of the docking portion 41.

[0024] See also Figure 4 and Figure 6 As 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 (not shown) that is recessed inward along the longitudinal direction, and the receiving groove is provided with a plug 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 through the plug interface. The side portion 13 is provided with an inwardly recessed groove 131, and the groove 131 is arranged adjacent to the plug interface and connected to the receiving groove. When the docking portion 41 of the FPC board 40 is plugged into the receiving groove, the clamping portion 42 is at least partially exposed to the groove 131.

[0025] 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, and a solder foot extending from the fixed portion out of the insulating body 10, wherein 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 longitudinally from the proximal end 11, and the second terminal 22 is inserted into the insulating body 10 longitudinally from the distal end 12, and the first terminal 21 and the second terminal 22 are inserted in opposite directions in the longitudinal direction.

[0026] Combination Figure 5 As shown, 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.

[0027] The metal shell 30 is further provided with a pivoting portion 33 located on the top plate 31, a spring piece 34 extending inwardly into the groove 131, and a pressing portion 35 extending from one longitudinal side of the pivoting portion 33 toward the proximal portion 11. The pivoting portion 33 extends in the transverse direction and is disposed adjacent to the side plate 32, and the spring piece 34 extends from the other longitudinal side of the pivoting portion 33 toward the distal portion 12. In addition, the spring piece 34 is formed by tearing the top plate 31 in the longitudinal direction and extending vertically into the groove 131. When the docking portion 41 is fully inserted into the receiving groove, the spring piece 34 is automatically locked in the engaging portion 42.

[0028] Specifically, when the docking portion 41 of the FPC board 40 is inserted into the receiving slot, the docking portion 41 pushes the spring sheet 34 to deform to avoid the docking portion 41, and when the docking portion 41 is fully inserted into the receiving slot, the spring sheet 34 rebounds and is accommodated in the clamping portion 42 to limit the docking portion 41 in the receiving slot, thereby realizing the automatic locking of the electrical connector 100 and greatly simplifying the plugging process of the FPC board 40. At the same time, the proximal portion 11 is provided with a clearance groove 110 corresponding to the pressing portion 35, and the clearance groove 110 is connected to the receiving slot. When the pressing portion 35 is pressed toward the clearance groove 110, the spring sheet 34 is driven to disengage from the clamping portion 42, and at this time, the docking portion 41 can be pulled out of the receiving slot without obstacles.

[0029] 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. The top plate 31 is provided with a spring piece 34 extending inwardly into the groove 131. When the docking portion 41 is fully inserted into the receiving groove, the spring piece 34 is automatically locked in the locking portion 42, thereby realizing automatic locking of the electrical connector 100 and greatly simplifying the plug-in process of the FPC board.

[0030] 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 electrical 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, the groove is connected to the receiving groove, the top plate is provided with an elastic sheet extending inwardly into the groove, and when the docking portion is fully inserted into the receiving groove, the elastic sheet is automatically locked in the locking portion.

2. The electrical connector according to claim 1, wherein: The spring sheet is torn longitudinally from the top plate and extends vertically into the groove.

3. The electrical connector according to claim 1, wherein: When the docking portion of the FPC board is inserted into the receiving groove, the docking portion pushes the spring sheet to deform so as to avoid the docking portion.

4. The electrical connector according to claim 3, wherein: 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 electrical connector according to claim 1, wherein: The metal shell is provided with a pivot portion located on the top plate and a pressing portion extending from one longitudinal side of the pivot portion toward the proximal end portion. The pivot portion is arranged adjacent to the side plate, and the spring sheet extends from the other longitudinal side of the pivot portion toward the distal end portion.

6. The electrical connector according to claim 5, wherein: The proximal portion is provided with a clearance groove corresponding to the pressing portion, and the clearance groove is connected to the receiving groove. When the pressing portion is pressed toward the clearance groove, the spring sheet is driven to disengage from the engaging portion, and the docking portion can be pulled out of the receiving groove without obstacles.

7. The electrical connector according to claim 1, wherein: 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 electrical connector according to claim 7, wherein: 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 electrical connector according to claim 1, wherein: The electrical connector includes a plurality of conductive terminals retained 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 electrical 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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