TWI374585B - Connector - Google Patents

Description

1374585

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BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a connector, and more particularly to a terminal having a pressurization by a brake or a cover for a flexible printed circuit board (Flexible Printed Circuit) , FPC) or Flexible Flat Cable (FFC) connector to the board. [Prior Art] Recently, as electronic products have become more and more miniaturized, connectors have also been required to be miniaturized. Moreover, the functions of electronic products are becoming more diverse, and thus more transmission circuits are required. Therefore, the connector also needs to have a plurality of terminals. In order to have a plurality of terminals', if the terminals are arranged in a row, the miniaturization of the connector has certain limitations, and therefore, the terminals are arranged in two columns in more cases. For example, as shown in FIG. 1, Korean Patent No. 443 043 discloses a connector having a first terminal group 510 inserted from the direction of the socket of the FPC/FFC to be disposed to the outer casing 530, and the opposite from the socket. The direction is inserted to be set to the second terminal group 520 of the outer casing 530. The first terminal set 510 and the second terminal set 520 respectively have rotary motion portions 512 and 522 that support the brake 540 for rotational movement, wherein the first terminal set 510 is coupled to the cam 544 of the brake 540 to support the rotary motion. . The second terminal set 520 is supported by the brake 54 after being pressurized. The first terminal group 510 and the first terminal group 520 respectively have contact portions 514 and 1374585 that apply elastic pressure to the FPC/FFC from the lower surface of the socket to the upper surface.

TW5625PA 524 ' Therefore, the greater the number of terminals of the first terminal stage 51G and the second terminal group 52A, the greater the pressure of the contacts 514 and 524 to the brake 54A, so that the brake 540 does not operate smoothly. In addition, the first terminal set 510 and the second terminal set 52A are also subjected to the pressure of the brake 540. Therefore, in order to be effectively supported by the outer casing 53, the first terminal set 510 and the second terminal set 520 often need to be thickened, or Set the fixing part. As a result, not only the weight of the first terminal group 51 and the second terminal group 520 is excessively large in the weight of the entire connector, but also the overall weight of the connector is increased. At the same time, in order to support the pressure of the brake 54 ,, the outer casing 530 is also provided with a thick thickness. In addition, 'the above connection|§ only alternately configure the terminal on one side of the FPC/FFC. Therefore, the connector can only fix the FPC/FFC of a specific specification, so that the application range of the connector is narrower, and in terms of increasing the density of the terminal, Has limitations. SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a new type of connector which can reduce the pressure acting on the brake so that the outer casing can be made thinner. Further, the present invention does not alternately provide each terminal group, and can set an appropriate number of terminals' according to the specifications of the electronic product and has excellent durability. According to the present invention, a connector is provided comprising a housing, a first terminal set, a second terminal set, a brake and a housing. The housing has a socket ' receptacle for receiving a flexible printed wiring board or a flexible flat cable. The first terminal set is inserted from the direction of the socket to be placed on the outer casing. First terminal

TW5625PA TW5625PA and each has a --shaped shape, each of which has no separate rotary motion branch portion 〇 The terminal has a first contact portion. The second terminal set is inserted early from the plug to be placed on the housing. The plurality of second contact/rear terminal arm ends of the second terminal set have a rotational motion support portion and a second contact. And - elastic cut. The first terminals of the first terminal group and the second terminal of the second terminal group are arranged at different intervals. The brake is continued by the second terminals for rotational movement. The brake door wheel is provided with a rotary motion support portion of each of the second terminals and a second connection == cover covering the outer casing. The cover has a -first-calendar portion. The direction of the first plate is combined with the human, and the H terminal of the flat printed cable of the flexible printed circuit is linked with the first pressing portion, so that the surface of the flat flat drain is in contact with the corresponding terminal of the flexible printed circuit board or the flexible surface. . When the second contact portion is lowered with the turn, the second terminal is in contact with the corresponding terminal of the upper surface of the flexible printed wiring board or the flexible flat cable inserted between the second contact portion and the spring. In an embodiment of the invention, the outer cover further has a second pressing portion, and when the flexible printed circuit board or the senior is in the position, the second pressing portion is on the flexible printed circuit board or the flexible flat cable and the first The terminal is in contact with the flexible printed wiring board or the flexible flat cable before the second subcontact. A portion of the outer cover is inserted into an insertion portion of the outer casing, and the outer casing further has a preventing portion for preventing the second terminal from coming into contact with the outer cover. In another embodiment of the present invention, the brake has a first protrusion and a second protrusion, and the first protrusion and the second protrusion are respectively on the two sides of the flexible printed wiring board or the flexible flat cable A first groove formed at different positions is combined with 5 1374585 TW5625PA · a second groove. The connector of the embodiment of the present invention can be electrically connected to a flexible printed wiring board or a flexible flat cable in which terminals are disposed on the upper or lower surface, and the number of terminals can be easily increased. Further, the connector of the embodiment of the present invention can prevent the erroneous insertion of the flexible printed wiring board or the flexible flat wiring, and can disperse the force applied to the brake and improve the durability. In addition, it is possible to prevent damage to the board by static electricity or the like, and to prevent contact between the cover and the terminal. The above description of the present invention will be described in detail with reference to the accompanying drawings. Fig. 2 is a perspective view of the connector according to the embodiment of the present invention. The connector of the embodiment of the present invention includes a housing 30, a first terminal set 10, a second terminal set 20, a brake 40, and a cover 50. The housing 30 has a socket 32 that houses a Flexible Printed Circuit/Flexible Flat Cable j FPC/FFC 100. The first terminal group 10 is inserted from the direction of the socket 32 of the FPC/FFC 100 to be placed on the outer casing 30. The second terminal group 20 is inserted from the opposite direction of the socket 32 to be placed on the outer casing 30. The brake 40 is supported by the second terminal of the second terminal set 20 for rotational movement. The outer cover 50 covers the outer casing 30. Fig. 3 is a schematic exploded view of the connector of the embodiment of the present invention. The side of the socket 32 of the outer casing 30 forms a first terminal socket 31. First end 1374585

The TW5625PA =1 〇-terminal is inserted into the housing 3〇 from the direction of the socket 32. In the opposite direction of the socket 32 of the Buguang 30, a second terminal socket 33 is formed. The second terminal of the first subset 20 is inserted from the rear of the housing 3〇. As shown in Fig. 4, the second terminal of the second terminal group 2G has a rotational movement supporting portion 22, a second contact portion 24, and an elastic branch portion 25 at the end portions of the respective end arms. Further, the second terminal has a second fixing portion for finding and soldering the second solder portion 26 to the circuit board. The second fixing portion 28 can fix the second terminal to the outer casing 30 when the second terminal is inserted into the second terminal insertion σ 33 . The second fixing portion 28 also has a fixing through hole 29 that can be coupled to a projection provided in the second terminal socket 33 of the outer casing 3G. Further, as shown in Fig. 5, the first terminal of the first terminal group 1A has a first contact portion 12, and the first terminal further has a first fixing portion 18 and a first-welding portion 16 soldered to the circuit board. The first fixing portion 18 is capable of inserting the first end when the first terminal is inserted into the first terminal insertion π 31? Fastened to the housing 3〇 _. The first terminal of the first terminal set is different from the second terminal of the second terminal set 20, and the first terminal of the first terminal set 10 does not have a separate rotational motion support portion and is in a straight shape. The first terminal of the first terminal group 10 and the second terminal of the second terminal group 20 are arranged at different intervals. As shown in FIGS. 2, 3 and 6, the brake 40 includes: a shaft 43 at both ends, the shaft 43 is inserted into the shaft slot 34 of the outer casing 30; and a cam that pressurizes the second contact portion 24 of the second terminal 44 and the first protrusion 41 and the second protrusion 42. The shaft 43 is inserted into the shaft slot 34 of the outer casing 30, and the shaft 43 and the rotational movement support portion 22 and the second contact portion 24 inserted into the second terminal

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The cams 44 between the TW5625PA together support the rotational movement of the brake 40. In addition, the first protrusions 41 and the second protrusions 42 respectively combined with the first groove 101 and the second groove 102 formed at different positions of the two sides of the FPC/FFC 100 can be made not only in front of and behind the FPC/FFC 100 On the contrary, when the erroneous insertion occurs, the brake 40 cannot be closed. Further, as shown in FIG. 7, the first projection 41 and the second projection 42 can be respectively made with the first groove 101 and the first when the FPC/FFC 100 is inserted into the fixed position. The two slots 102 are combined to ensure that the first terminal and the second terminal are in contact with the corresponding terminals of the FPC/FFC 100 at the correct position. The outer cover 50 is made of a metal material used for the outer cover of the general connector. As shown in Fig. 3, the outer cover 50 has a first pressing portion 51 that is inserted from the direction of the socket 32 of the outer casing 30 and pushes the FPC/FFC 100 downward. Further, the outer cover 50 further has a second pressing portion 52. When the FPC/FFC 100 is inserted into the jack 32, the second pressing portion 52 comes into contact with the FPC/FFC 100 before the FPC/FFC 100 comes into contact with the first terminal and the second terminal. Therefore, static electricity accumulated on the FPC/FFC 100 flows to the ground plane via the housing 50, so that the electronic components electrically connected to the first terminal and the second terminal are not damaged. Further, as shown in Fig. 3, a portion of the outer cover 50 is inserted into the insertion portion 35' formed on the outer casing 30 to firmly support the outer cover 50. At the same time, as shown in Fig. 8, the degree of insertion of the outer cover 50 by the preventing table 36 at the rear end of the outer casing 30 is restricted, so that the outer cover 50 cannot be in contact with the second terminal. The operation of the connector of the present invention will be described below. Figure 9 is a perspective view showing the brake 40 in an open state before the FPC/FFC 100 is inserted into the connector. Fig. 1A is a cross-sectional view taken along line A-A of Fig. 9 to indicate a state in which the FPC/FFC 100 portion is inserted into the inside of the connector. Figure 11 is a cross-sectional view taken along line B-B' of Figure 9 for use in Table 1374585

The TW5625PA shows the state in which the FPC/FFC 100 is inserted into the first terminal group ^ contact portion 12 inside the connector. Figure 12 is a cross-sectional view of the line B-B' in Figure 9 for indicating that the FPC/FFC is inserted into the connector inside the connector. η

The state of the second contact portion 24. Figure 13 is a view of the 接触 (| plane of the R4, U line in Figure 9 to indicate that the second contact portion 24 of the second terminal group 20 is subjected to the brake force of the second terminal group 20 when the FPC/FFC 100 is inserted at a distance of π ° In order to explain the structure more clearly, the hatching of the section is omitted in Fig. 10 to Fig. 13. The amount of money in the 哽 % Α Α Α 2 2 2 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从°Γ Pressure In order to insert the FPC/FFC 100 into the connector, first open the brake 40 as shown in Figure 9. Then, insert the FPC/FFC 100 into the connector. Touch the FPC/FFC 100 Before the one terminal and the second terminal, as shown in Fig. 10, the FPC/FFC 100 will be in contact with the second pressing portion 52. Thus, the static electricity of the FPC/FFC 100 flows to the outer cover 50 via the second pressing portion 52. Then, the ground plane of the circuit board connected to the outer cover 50 is removed. Next, as shown in FIG. 11, the FPC/FFC 100 is further inserted into the inside of the connector to be inserted into the oppositely disposed first pressing portions 51 and Between one terminal group 10. At this time, the first pressing portion 51 and the first terminal group 10 can respectively be on the upper table of the FPC/FFC 100. The lower surface is applied with elastic pressure, and the front end thickness of the FPC/FFC 100 can also be adjusted so that the front end thickness of the FPC/FFC 100 is narrower than the interval between the first dust-receiving portion 51 and the first terminal group 10. The front end of the FPC/FFC 100 of the first contact portion 12 of the group 10, as shown in Fig. 12, will be inserted into the outer casing 30 (shown in Fig. 3) at the end of the socket 32 (shown in Fig. 3) of 1374585 TW5625PA. At this time, the first terminal group 10 and the first pressing portion 51 will be elastically deformed such that the first contact portion 12 of the first terminal group 10 is in contact with the corresponding terminal of the lower surface of the FPC/FFC 100. This embodiment will be FPC The front end thickness of the /FFC 100 is set to be narrower than the interval between the first pressing portion 51 and the first terminal group 10, so that the FPC/FFC 100 can be smoothly inserted. In addition, the FPC/FFC corresponding to the first contact portion 12 will be used. The thickness of the corresponding terminal region of 100 is set to be thick to ensure effective application of elastic pressure. If the elasticity of the first terminal group 10 and the first pressing portion 51 is appropriately selected, even if the thickness of the FPC/FFC 100 is not changed, the first A contact portion 12 and a corresponding terminal do not form an electrical connection. FPC/FFC 1 The front end of 00 is inserted into the lower end of the second contact portion 24 of the second terminal group 20 and the elastic support portion 25. At this time, the second contact portion 24 does not apply pressure to the corresponding terminal 110 of the upper surface of the FPC/FFC 100. The cam 44 between the rotational motion support portion 22 and the second contact portion 24 acts as shown in FIG. 13, and the second contact portion 24 will follow the rotation of the brake 40 to the corresponding terminal of the upper surface of the FPC/FFC 1 Pressurize. Thus, the first contact portion 12 and the second contact portion 24 are respectively connected to the corresponding terminals formed on the upper surface and the lower surface of the FPC/FFC 100. Fig. 14 shows a state in which the cam 44 of the brake 40 is operated between the rotational movement supporting portion 22 and the second contact portion 24 of the second terminal, and only the structure required for the description is shown. Fig. 14 (a) is a schematic view showing the brake in an open state. Fig. 14 (b) is a schematic view showing a state in which the brake 40 is rotated in a pressurized state. (c) in Fig. 14 is a state in which the brake 40 is in a final pressurized state. schematic diagram. 1374585 I >

TW.5625PA " The cam 44 includes a blocking portion 446, a first fixing portion 444, an expanding portion / 442, and a rotating contact portion 448. The blocking portion 446 prevents the brake 40 from continuing to open in an open state. The first fixing portion 444 is a flat surface and is used to fix the brake 40 in the final pressurized state. The expansion portion 442 is for moving the second contact portion 24. The rotary contact portion 448 is in contact with the rotational motion support portion 22 to rotate in a pivotal manner. Further, the second contact portion 24 includes an inclined portion 242, a second fixing portion 244, and a terminal contact portion 246. The inclined portion 242 is in contact with the expanded portion 442 to move the second contact portion 24 downward. The second fixing portion 244 is a flat surface. When the brake 40 is rotated to be in the final pressurized state, the second fixing portion 244 is in contact with the second fixing portion 444 to prevent the brake 40 from being opened by an external force. When the second contact portion 24 is lowered, the terminal contact portion 246 is in contact with the corresponding terminal of the FPC/FFC 100. As shown in (a) of Fig. 14, when the brake 40 is in the open state, the rotational contact portion 448 of the cam 44 comes into contact with the rotational motion support portion 22. The rotational movement of the brake 40 is supported by the shaft 43 (shown in Figure 3) and the rotational contact portion 448 on both sides of the brake 40. As shown in (b) of Fig. 14, when the brake 40 is rotated to achieve the pressurized state, the expanded portion 442 will come into contact with the inclined portion 242. According to the shape and rotation of the cam 44, the expanded portion 442 contacts the inclined portion 242 to move the second contact portion 24 downward. Next, as shown in (c) of Fig. 14, when the brake 40 is in the final pressurized state, the first fixing portion 444 and the second fixing portion 244 which are flat faces, respectively, will be in surface contact. Since the cam 44 is formed, the distance from the center of rotation of the stopper 40 to the flared portion 442 is larger than the distance from the fixed portion 444 [s] 11

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TW5625PA away. The second contact portion 24 is elastically deformed to the maximum extent to the lower side before reaching the state shown in (c) of FIG. 14, and then the second contact portion 12 is reached when the state shown in (c) of FIG. 14 is reached. Move back slightly to the upper side. Therefore, even if there is an unexpected external force, as long as the external force is insufficient to return the first fixing portion 444 and the second fixing portion 244 to the state shown in (b) of FIG. 14, the brake 40 will not open, and the connector will remain Connection Status. In the above, the present invention has been disclosed in the above preferred embodiments, but it is not intended to limit the present invention. It will be apparent to those skilled in the art that the present invention can be modified and modified without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a connector for a conventional FPC/FFC; FIG. 2 is a perspective view of a connector according to an embodiment of the present invention; FIG. 3 is an exploded perspective view of a connector according to an embodiment of the present invention. Figure 4 and Figure 5 are perspective views of the terminal of the embodiment of the present invention. Figure 6 is a perspective view of the lower surface of the brake of the embodiment of the present invention. Figure 7 is a perspective view of the brake of the embodiment of the present invention. A cross-sectional oblique view of the combined state of A, 0 趄 and FPC/FFC; Fig. 8 is an oblique view; FIG. 9 to FIG. 13 showing the structure of the outer casing and the outer cover of the embodiment of the present invention, 渉β ^ 实施And the cross-sectional oblique view of the FPC/FFC connection process of the connector; and the blade press (4) 12 1374585

TW.5625PA Fig. 14 is a schematic view showing the operation of the cam of the embodiment of the present invention. [Description of main component symbols] 10, 510: First terminal group 12: First contact portion 14: Contact portion 16: First soldering portion 18, 444 · First fixing portion 20, 520: Second terminal group 22: Rotation Motion support portion 24: second contact portion 25: elastic support portion 26: second welded portion 28, 244: second fixed portion 29: fixing through hole 30, 530: housing 31 first terminal socket 32 socket 33 second terminal Socket 34 shaft slot 35 insertion portion 36 prevention table 40, > 540: brake 41: first projection 42: second projection [S] 13 1374585

TW5625PA 43 : Shaft 44, 544 : Cam 50 : Cover 51 : First pressing portion 52 : Second pressing portion 100 : FPC / FFC 101 : First groove 102 : Second groove 110 : Corresponding terminal 242 : Inclined portion 246 : Terminal Contact portion 442 : expansion portion 446 : blocking portion 448 : rotational contact portions 512 , 522 : rotational movement portions 514 , 524 : contact portion

Claims (1)

1374585 July 31, 2011 Correction replacement page 2012/7/31_151 Shen Fu & Amendment VII. Patent application scope: 1. A connector comprising: a casing having a socket for accommodating a shank a printed circuit board or a flat flat cable; a first terminal group inserted from the socket for being disposed on the housing, the plurality of first terminals of the first terminal group having no bifurcated rotational motion support And each of the first terminals has a first contact portion; a second terminal group is inserted from the opposite direction of the socket to be disposed on the outer casing, and the second terminal group has a plurality of second portions Each of the terminals has a rotational movement support portion, a second contact portion, and an elastic support portion at the end of the bifurcated terminal arm, and the first terminal and the second terminal group of the first terminal group The two terminals are arranged at different intervals; a brake is supported by the second terminals of the second terminal set for rotational movement, a cam of the brake is located at the rotary motion support portion and the second of each of the second terminals contact Between the portions; and a cover covering the outer casing, the outer cover having a first pressing portion, the first pressing portion is inserted and inserted from the direction of the socket of the outer casing, and the flexible printed wiring board or the flexible portion Pressing the flat cable, the first terminal is interlocked with the first pressing portion, so that the upper surface of the first contact portion of the first terminal and the lower surface of the flexible printed wiring board or the flexible flat cable Corresponding terminal contact, the second terminal and the flexible printed wiring board or the flexible state inserted between the second contact portion and the elastic support portion when the second contact portion is lowered with the rotation of the cam Contact of the corresponding terminal on the upper surface of the flat cable, 098129306 ·-, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wherein the cover further has a second pressing portion, the second pressing portion is on the flexible printed circuit board or the flexible flat cable when the flexible printed circuit board or the flexible flat cable is inserted into the socket Contacting the first terminal and the second terminal , In contact with the flexible printed wiring board or the flexible flat cable. 2. The connector of claim 1, wherein a portion of the outer cover is inserted into an insertion portion of the outer casing, the outer casing further having a preventing portion for preventing the second terminal from contacting the outer cover. 3. The connector of claim 1, wherein the brake has a first protrusion and a second protrusion, and the first protrusion and the second protrusion respectively correspond to the flexible printed circuit board Or a first slot formed by different positions on both sides of the flexible flat cable and a second slot are combined. 4. The connector of claim 1, wherein the second terminal further has a fixing through hole, and when the second terminal is inserted into a terminal socket of the outer casing, the fixing through hole is used Combined with a protrusion in the second terminal socket" 16 098129306 1013290S86-0 ...