TWM253940U - Electrical connector - Google Patents

Description

M253940 V. Creation Description (1) [Technical Field to which the New Type belongs] This creation provides an electrical connector, especially an electrical connector for electrically connecting a flexible printed circuit board or a flexible flat cable. [Previous technology] With the development trend of miniaturization and thinness of electronic devices, flexible printed circuit boards with flexibility!?! ^ (Flexible printed

Circuit or flexible flat cable (FFC) is widely used in electronic devices such as mobile phones, keyboards, hard disk drives, and fax machines. The FPC / FFC electrical connector used to connect a flexible printed circuit board or a flexible flat cable to the motherboard is correspondingly used in such electronic devices. Currently, the electrical connector industry is used to electrically connect the flexible printed circuit board. It mainly includes an insulating body, a plurality of terminals accommodated in the insulating body, and a card board movably connected to the insulating body. When the flexible printed circuit board is inserted into the insulating body, the card board presses the flexible printed circuit board to make the flexible printed circuit board. Make good electrical contact with the terminals. For example, U.S. Patent No. 6,371,797 (hereinafter referred to as No. 7797) and Japanese & Craftsman Patent No. 1 08294 published on April 16, 2002, respectively, are used for electrical connection. Electrical connector for flexible circuit board. Please refer to the first figure of the No. 797 patent. Each end is provided with a clamping arm 26 having a holding groove, a clamping plate u is provided with a holding arm 23 at both ends, and a hook-shaped portion is provided outside the end. When the pC is not inserted, 11 can be moved in the holding groove by the holding arm 23, so that there is an insertion space between the card board and the insulating body. When inserting the FPC, press the card board 奵 into the insulating socket. At this time, the pressing part of the card board 11 presses the flexible printed circuit board to make it. 5. Creation instructions (2) The conductive part and the terminal are closely abutted together. Electrical connection from the electrical connector. / Wooden printed circuit boards At present, most electrical connectors are miniaturized, and the connectors are small in size, and the electric power of the arm is unreachable. Some of the holding grooves are relatively small, and the width corresponding to the holding # is also relatively small and the upper and lower widths are equal. Especially, the holding arm toilet card 柘 的 鎇 鎇 shirt # under the sign is very weak and it breaks in shore. The actual production process and the application of T-fracture occur from time to time. Defects Therefore, it is necessary to design an FPC / FFC electrical connector that can overcome the above-mentioned [new content] The purpose of this creation is to provide an electrical connector that can overcome the above-mentioned conventional electrical connection defects. Removable plural: ίϊίΐ ::, The electrical connector made in this article includes an insulating body,; ,,, terminals in the body, movably assembled to the terminal body of the insulating body, and a base is provided. The base includes a butting surface and From the two clamping arms, the clamping plate includes a plate-shaped portion, and a pressing portion perpendicular to the plate-shaped portion. ^ The clamping arms extend from both ends of the plate-shaped portion. The plate-shaped portion is provided with a notch, and the clamping arm is at two corners. The rib is provided with a hook-shaped portion to hook the card plate into the card arm. : The width of the contact part of the arm part of the holding arm of the electrical connector, and the arm breaks. Compared with the prior art, the electrical connector of this creation has the following function triangle ribs, the plate of the clamping arm and the card plate is increased to increase its strength, and it can effectively prevent the card from being concretely implemented] 4 Refer to the first figure, The electrical connector 1 0 0 of this creation is used to power M253940

The flexible printed circuit board 5 (such as the first insulating body 1 and the retracted foot in Zhaoluo Shi) mainly includes a card board 3 and a metal lifting strap 4 connected to the insulating body. As shown in the figure, the insulating body 1 includes a first insulator S, two and two: a marginal body 16. The first insulating body 10 includes a longitudinally long base 邠 11, and a > σ longitudinal direction is provided with a first abutting surface U1 and adjacent to the first The first mounting surface 112 on one side. The first abutting surface η is recessed to form a groove 12, and the upper and lower side walls of the groove 12 are each provided with a plurality of terminal receiving grooves 121 to receive the terminal rafters 2. The two rows of terminal receiving grooves The different numbers are used to electrically connect flexible printed circuit boards 5 of different widths (as shown in the fourth figure). The card arms 3 are from the two ends of the base part i opposite to the first mating surface 111 toward the first mating Each of the faces m extends with a clamping arm 13 parallel to the terminal receiving groove 121, and the clamping arm 13 is spaced a certain distance from the base 11 to form a moving space 丨 3 1. The clamping arm 丨 3 is provided with a holding groove 132 penetrating one end of itself , The other end forms a resisting portion 丨 33. The first mounting surface 112 protrudes at an appropriate position on one side to have a first The first locking portion 14 ′ of the hook portion 14 ′ protrudes from a second locking portion 15 having a second hook portion 5 j at both ends of the other side. The second insulating body 16 includes a vertically long base portion 17. It includes a second abutting surface 171, a second mounting surface 172 opposite to the second abutting surface, and a front surface 173 that is connected to the first and second abutting surfaces. The second abutting surface 171 is recessed to form a cavity (not labeled). The cavity protrudes from a tongue plate 174 that is long and has a plurality of terminal receiving grooves 175 on both side walls. The front surface 173 is provided with a hook portion 18. Opposite the front surface, the rear surface 176 extends away from the second abutting surface 171 and extends out of the baffle ( Not labeled). Both sides of the base 1 7 are recessed downward to form a plane lower than the rear surface 1 76

M253940 V. Creative Instructions (4) 19, a rib 191 protrudes from the plane. The first and second locking portions 1 4 and 15 of the first insulating body 10 are respectively hooked to the hooking portions 1 8 and 2 of the second insulating body by the first and second hook portions 1 4 1 and 1 5 1. The ribs 191 are thus assembled to form the first and second insulating bodies 10, 16 together, and the terminal receiving groove 121 of the first insulating body 10 and the terminal receiving groove of the second insulating body 10 are assembled together. 175 communicates to receive terminal 2. The base 17 of the second insulating body is provided with holes 1 7 at both ends to hold the metal lifting strap 4. The card board 3 has a vertically long plate-like portion 30. The plate-like portion 30 is provided with a first notch 301 and a second notch 302 of different widths along the longitudinal direction. The first and second notches 301 and 302 are respectively Corresponds to the width of the terminal accommodation grooves 121 in the upper and lower rows of the first insulating body 10 to accommodate Fpcs of different widths. The plate-shaped portion 30 extends along the longitudinal direction perpendicularly to a pressing portion 31 having the same width as the groove 12 of the first insulating body 10, and holding arms 32 extending from the two ends. The holding arms 32 and the pressing portion 31 are located on the same side of the plate-shaped portion 30, and include the vertical side of the plate-shaped portion 30 and the pressing portion 31, the outer side wall 3 2 0, and another adjacent to the outer side wall 320. One side wall 321. In order to increase the strength of the contact portion between the Carter arm 32 and the plate-like portion 30, it is necessary to increase its width. : In this embodiment, on the one hand, the width of the contact portion between the holding arm 32 and the plate-shaped portion 30 is increased; on the other hand, to enable the holding arm 32 to be in the holding groove 1 3 2 and the moving space 1 3 Free movement within 1 to ensure that the flexible printed circuit is inserted with zero insertion force, so the clamping of this design = 32 is a triangular rib. A convex portion 322 is protruded at an appropriate position of the outer side wall 32 near the plate-shaped portion 31, and a hook-shaped portion 323 is provided at the end. During the assembly process, the card arm 3 can be pressed into the holding groove 132 to assemble the card 3 on the insulating body 1. ί ^ Π ^ ί Page 9 M253940

For the second and third pictures of the circuit, refer to the first and second place. When the flexible printing can be printed (as shown in the fourth picture), the electrical connector 100 is not inserted, the card board 3 321 4 4 space 131 and the card The holding groove 132 moves. By the hook-shaped sand of the holding arm 32: at the resisting portion 1 3 3 of the holding arm 13, the card board 3 will not be separated from the insulating book / "This card board 3 and the insulating body 1 are in an open state, and the insulating body and the card board A connection socket is formed between the two plates. The second and third figures are shown in the fourth figure. When the flexible printed circuit board 5 is to be connected to the electrical connector, the card board 3 is insulated. On the body ^: Open the sorrow and insert the flexible printed circuit board 5 into the insulation interface with zero insertion force. At this time, the conductive part (not labeled) of the flexible printed circuit board 5 is not electrically connected to the terminal. When After the flexible printed circuit board 5 is fully inserted, the card board 3 is pressed against the groove 12 until the convex part 322 of the holding arm 32 is locked on the resisting part 133 of the holding arm 13. At this time, the pressing part 31 of the card board 3 The flexible printed circuit board 5 is squeezed and the conductive parts of the flexible printed circuit board 5 are in close contact with the terminals, thereby forming an electrical connection between the flexible printed circuit board 5 and the electrical connector 100, and the card board 3 There will be no slackness due to external forces. In summary, this creation has indeed met the requirements for a new type of patent and is proposed in accordance with the law. However, the above is only a preferred implementation of this creation, and it cannot be used to limit the scope of the rights of this creation. For example, those who have ordinary knowledge in the technical field and who have made equivalent modifications based on the spirit of this creation or Changes' are still covered by the scope of the attached patent application.

Page 10 M253940 Brief description of the diagram The first picture is a three-dimensional combination diagram of the electrical connector of this creation without FPC / FFC inserted. The second picture is a three-dimensional exploded view of the insulation body and the card of the electrical connector of this creation. The third picture is similar to the second picture, but taken from another angle. The fourth picture is a three-dimensional combination of FPC / FFC plugged into the electrical connector of this creation. [Description of component symbols] Electrical connector 100 Insulating body 1 First insulating body 10 Base 11, 17, First mating surface 111 First mounting surface 112 Groove 12 Terminal receiving groove 121 ^ 175 Clip arm 13 Moving space 131 Holding groove 132 Abutment portion 133 First lock portion 14 First hook portion 141 Second lock portion: 15 Second hook portion 151 Second insulating body 16 The second abutting surface 171 The second mounting surface 172 The front surface 173 The tongue plate 174 The rear surface 176 Hole 177 The hook portion 18 The flat surface 19 The rib portion 191 The card plate 3 The plate portion 30 The pressing portion 31 The first and second notches 301 > 302 holding arm 32 outer side wall 320

Page 11

M253940

Page 12

Claims (1)

M253940 VI. Scope of patent application1. An electrical connector is used to electrically connect a flexible printed circuit board or a Yin flat cable, which includes: $ an insulating body with a base, the base including a mating surface and a A card arm extending at its end; ^ a plurality of terminals are received in the insulating body; a card plate is movably assembled to the insulating body and includes a plate-shaped portion, a pressing portion extending from the plate-shaped portion and a plate-shaped portion Extending clamping arm, the plate-shaped portion is provided with a notch, the clamping arm is a triangular rib and is provided with a fishing-shaped portion. The electrical connector according to item 1 of the patent application scope, wherein the clamping arm is provided with a vertical The hook-shaped portion on the outer side wall of the plate-shaped portion is located at the end of the outer side wall. 3. The electrical connector according to item 2 of the scope of patent application, wherein the clamping arm of the insulating body is provided with a clamping groove, and the hook-shaped portion of the clamping groove can be moved in the clamping groove. 4. The electrical connector according to item 3 of the scope of patent application, wherein the outer side wall is provided with a convex portion near the plate-like portion to prevent the card of the electrical connector from being inserted with a flexible printed circuit board or a flexible flat cable. The board is loose. 5. The electrical connector according to item 1 of the scope of the patent application, wherein holes are provided at both ends of the insulating body, and the electrical connector further includes a metal lifting strap which can be held in the hole of the insulating body. 6. The electrical connector as described in item 丨 of the patent application scope, wherein the insulating body includes first and second insulating bodies. 7. The electrical connector as described in item 6 of the scope of patent application, wherein the first insulation Page 13 M253940 The body includes a base portion, which includes a first oblique correction surface and an abutment surface and a second women's surface adjacent to the first butt surface, on the first mounting surface—the absolute locking portion ' -The two ends of the side are provided with a second locking portion 2; an edge body includes a base portion, the base portion includes a second abutting surface, a second mounting surface opposite to the second abutting surface, and an abutting surface adjacent to the second abutting surface; The front surface is provided with a locking portion, and ribs are provided at both ends of the base portion. The first and second locking portions of the first insulating body are held by the hooking portion and the rib portion of the second insulating body, so that the first, The second insulating body is assembled together. 8. The electrical connector according to item 1 of the scope of patent application, wherein the holding arm is perpendicular to the plate-like portion of the card board. 9. The electrical connector according to item 1 of the scope of patent application, wherein the pressing portion is perpendicular to the plate-like portion of the card board.