JP5185543B2 - connector - Google Patents

Description

  The present invention relates to a connector using a flexible printed circuit board (hereinafter referred to as “FPC”) used in electrical or electronic equipment such as a thin plasma television and a notebook personal computer, and more particularly to a connector structure with a dustproof measure. It is.

Connectors used for cellular phones, CCD cameras, and the like are narrow pitch and extremely thin (so-called light thin short), and one type mainly includes a housing and a contact, an FPC is inserted into the housing, and a contact portion of the contact A structure in which the FPC is held between the housing and the slider (so-called ZIF type and piano touch). Type). There are various methods for holding the FPC between the housing and the slider. However, there are many methods in which the FPC is inserted into the housing and then the slider is inserted and the FPC is pressed against the contact. In addition, in order to achieve customer specifications and narrow pitches, the contact connection portion may have to be arranged on the fitting port side of the housing.
The housing is provided with a required number of insertion holes into which the contacts are inserted and a fitting port into which the FPC is inserted.
The contact mainly includes a contact portion that comes into contact with the FPC, a connection portion that is connected to a substrate or the like, and a fixed portion that is fixed to the housing. This contact is fixed to the housing by press fitting or the like.
Patent Document 1 (Japanese Patent Laid-Open No. 2003-297489) and Patent Document 2 (Japanese Patent Laid-Open No. 11-307198) as so-called backlock types of ZIF type and Patent Document 3 (Japanese Patent Laid-Open No. 2004-71160) already proposed by the present applicant are described below. ). Examples of structures for locking the FFC include Patent Document 4 (Japanese Utility Model Publication No. 6-82783) and Patent Document 5 (Japanese Patent Application No. 2003-422258) already proposed by the present applicant.
According to the summary of Japanese Patent Application Laid-Open No. 2003-297489, an actuator can be operated with a small operating force, and the amount of contact movement by the actuator can be increased to ensure connection, and a low-profile connector is provided. For this purpose, the actuator has a cam portion and an operation portion, and a clearance groove is formed between the two portions in the vicinity of the tip of the spring portion of each contact so that the actuator can be inserted and withdrawn. When rotating, the cam part elastically deforms the spring part and the connecting spring part of each contact, and then the FPC is sandwiched between the protrusions of the contact part and the protrusions of the contact part. Connected to the printed circuit board through the terminal part of the contact, the ceiling part of the insulator covers the contact part of each contact, and on the lower part on the front side of the ceiling part, Connector guide portions are formed structure for inserting the PC into the connector is disclosed. According to the summary of JP-A-11-307198, an FPC or the like is inserted into a housing for the purpose of improving the operability and holding performance of a printed wiring board connector for connecting a plurality of terminals and holding the FPC or the like. An insertion groove is provided, a plurality of contacts are provided in parallel so that the contact portion protrudes and retracts with respect to the insertion groove, and an operation member is provided so as to be rotatable between a connection position and a release position. When the operating member is in the connection position, the contact is pressed against the operated portion by the cam so that the contact portion protrudes into the insertion groove and is pressed against a terminal such as an FPC to connect the terminal and the FPC or the like When the operation member is in the release position, some of the contacts are pressed by the cam against the operated portion so that the contact portion slightly protrudes from the insertion groove, contacts the FPC, etc. Temporarily hold the rest Tact printed connectors for wiring board structure retracting the insertion groove contact portion is disclosed. According to the summary of Japanese Patent Application Laid-Open No. 2004-71160, the FPC or FFC can be surely pressed against the contact portion of the contact with the slider without impairing the strength or specifications of each part, the workability is good, and the pitch is narrowed. For the purpose of providing a connector capable of lowering the height, the elastic part and the fulcrum part are provided between the contact part and the connection part of the contact, and the contact part, the elastic part, the fulcrum part and the connection part are provided. Provided in a substantially crank shape and provided with a pressing part extending from the elastic part at a position facing the connecting part, provided with a pressing part connected to the slider in the longitudinal direction, and the pressing part is connected to the connecting part of the contact A connector having a structure in which a slider is mounted on a housing so as to be rotatable with respect to a holding portion is disclosed. According to the summary of Japanese Utility Model Publication No. 6-82783, a flat cable in which a rigid reinforcing plate is attached to the back of a flexible cable is designed to be easily locked to a slider claw. A slider can be inserted into and removed from the housing space where the cable is inserted, and the slider can be pivoted to the outside when the cable is pulled out. When pushed in, the flat cable is electrically connected to the contact pin.When the flat cable is electrically connected to the contact pin, the flat cable is formed on the flat cable contact surface of the slider and the back surface of the flexible cable with the reinforcing plate on the flat cable. A structure in which a locking protrusion is inserted and locked in the locked portion. It has been disclosed of. As a structure for locking FPC, Japanese Patent Application No. 2003-422258 proposed by the present applicant provides a connector that can secure the required FPC holding force even with a small number of core connectors, and does not lead to poor connection. For this purpose, a connector that is detachably fitted to the FPC, and has a required number of contacts having a contact portion that comes into contact with the FPC, and a fitting port into which the FPC is inserted while the contact is held and fixed. A connector having a housing having a locking portion provided on the FPC, a locking member having an engaging portion engaging with the locking portion being mounted on the housing, and the engaging portion of the locking member being engaged with the locking portion of the FPC. This can be achieved by preventing the FPC from coming out of the housing, and by providing a groove portion at a position corresponding to the engagement portion, a more reliable rod Connector structure is disclosed which can click. In order to improve dust resistance, the summary of Japanese Patent Application No. 2004-307793 proposed by the present applicant is intended to provide a connector that increases dust resistance without applying FPC insertion force. In the connector including the housing and the rotating member, the contact includes at least a contact portion, a connection portion, a fulcrum portion, a coupling portion, and a pressing portion, and is arranged in a substantially inverted H shape, When the pressing portion of the rotating member is rotated, the contact portion is connected to the connection object, and the housing has a ceiling portion covering the contact portion of the contact and an upper wall portion covering the pressing portion. The rotating member includes an operation portion, a pressing portion, a pressing portion, a locking hole, and a cover portion. After the rotating member rotates, the cover tail portion of the rotating member covers the contact tail side. Such a structure is disclosed. In order to improve the dust resistance, the summary of Japanese Patent Application No. 2005-178666 proposed by the present applicant is intended to provide a connector that increases the dust resistance without applying an FPC insertion force. In the connector including the housing and the rotating member, the contact includes at least a contact portion, a connection portion, a fulcrum portion, a coupling portion, and a pressing portion, and is arranged in a substantially inverted H shape, When the pressing portion of the rotating member is rotated, the contact portion is connected to the connection object, and the housing has a ceiling portion covering the contact portion of the contact and an upper wall portion covering the pressing portion. The rotation member includes an operation portion, a pressing portion, a pressing portion, a locking hole, and a cover portion, and after the rotation member rotates, between the tip of the upper wall portion and the operation portion and the upper wall The rotating member is rotated between the head and the tip of the rotating member opposite to the operating portion. It discloses a structure to narrow the extent that does not touch the wall portion on the Ujingu.

In recent years, as electric and electronic devices have been miniaturized, there has been an increasing demand for miniaturization of connectors, and connectors are becoming lighter, thinner and smaller. As lightness and miniaturization progresses, it is a public fact that the upper surface of the contact (especially the tail side) is exposed in order to secure a space in which a rotating member such as an actuator or a slider operates. However, depending on the usage of the connector, there is no requirement for miniaturization (low profile) of the connector. If the contact is exposed, the dust-proof property is poor, and in some cases, it may cause connection failure. Conceivable.
Further, when the FPC is inserted into the connector, a structure having no insertion force is required, and it is also required to visually determine whether or not the FPC is completely fitted.
Furthermore, the use in bad environment is also considered, and the request | requirement of dust-proof improvement is still stronger than the patent document 6 which this applicant proposed by the customer request.
Furthermore, in the structures of Patent Document 6 and Patent Document 7 with improved dust resistance, when the contact is soldered to a substrate or the like, the solder goes up to the pressing portion of the rotating member, and the pressing portion is When the rotation is impossible and the rotation is forced, the rotation member is damaged.

  The present invention has been made in view of such a conventional problem, and does not apply an insertion force of an object to be connected, has high dustproofness, and when soldering to a substrate, the solder is attached to the rotating member. It is intended to provide a connector having a structure that does not rise to the pressing portion.

The object described above is the connector 10 that is detachably fitted to the connection object, as described in claim 1, and a required number of contacts 14 having contact portions 26 that contact the connection object, and the contacts. 14 is arranged and held, and the connector 10 includes a housing 12 having a fitting port 20 into which the connection object is inserted, and a rotating member 18 that presses the contact 14. A first piece having a contact portion 26 that comes into contact with the connection object, a pressing portion 32 that is pressed by the rotating member 18 on the other end side, and a protruding portion 42 that protrudes inwardly at the tip of the pressing portion 32. and 22, and a projecting stage 44 positioned above the connecting portion 40 and the connecting portion 40 that connects the substrate to the extension portion 36 and the other end side with a fixed portion 38 to be inserted into the housing 12 at one end And a connecting fulcrum portion 30 for connecting the first piece 22 and the second piece 24, and the contact portion 26, the connecting fulcrum portion 30 and the connecting portion 40 are substantially crank-shaped. at least one or more slits 74, slit groove 76 or slit 78 penetrating from the connecting portion 40 to the elongated shape thickness direction as a means to prevent solder wicking into the upper end of the projecting stage 44 while disposed in the The housing 12 includes a ceiling portion 50 that covers the contact portion 26 of the contact 14, and the housing 12 includes an upper wall portion 52 that covers the pressing portion 32 and that is continuous with the ceiling portion 50. The rotating member 18 includes an operating portion 56 for rotating, a pressing portion 54 provided in a longitudinal direction, and a separate and independent locking hole into which the pressing portion 32 can be inserted and engages with the protruding portion 42. 58 and above And a insertion hole 62 in which the wall portion 52 is inserted, the pressing portion 54 so as not to inhibit the rotation of the pressing portion 54 due to solder wicking in the means for preventing the projecting stage 44 of the contact 14 The upper wall portion is mounted in the housing 12 so as to rotate with the pressing portion 32, the rotating member 18 rotates, and the contact 14 is connected to the connection object. When the rotating member 18 is rotated between the distal end of 52 and the operating portion 56 and between the upper wall portion 52 and the distal end of the rotating member 18 on the side opposite to the operating portion 56, the rotating member 18 is moved to the housing 12. This can be achieved by narrowing the upper wall portion 52 so as not to touch the upper wall portion 52.

In order to achieve a narrower pitch, as described in claim 2, the connector 10 is detachably fitted to a connection object, and the required number of contacts having contact portions 26 that contact the connection object. 14, 16, a housing 12 having a fitting opening 20 in which the contacts 14, 16 are arranged and held and the connection object is inserted, and a rotating member 18 that presses the contacts 14, 16. 10, two types of contacts 14 and 16 are arranged in a staggered manner, and one of the contacts 14 is pressed by one end of the contact portion 26 in contact with the connection object and the other end by the rotating member 18. An extension having a first piece 22 having a pressing portion 32 and a protruding portion 42 protruding inwardly at the tip of the pressing portion 32, and a fixing portion 38 inserted into the housing 12 on one end side. A second piece 24 having a projecting stage 44 positioned above the connecting portion 40 and the connecting portion 40 for connecting the substrate 36 and the other end side, which connects the second piece 24 and the first piece 22 and a coupling support point portion 30, to prevent solder wicking into the upper end of the projecting stage 44 from the connecting portion 40 with placing said contact portion 26 and the connecting support portion 30 and the connecting portion 40 in a substantially crank-shaped As a means, at least one slit 74, slit groove 76 or slit hole 78 which is elongated and penetrates in the plate thickness direction is provided in the protruding base 44, and the other contact 16 contacts the connection object on one end side. A first piece 22 having a contact portion 26 to be pressed, a pressing portion 32 pressed by the rotating member 18 on the other end side, and a protruding portion 42 protruding inwardly at the tip of the pressing portion 32, and on one end side. Connection part to connect to the board 0 and a second piece 24 having an extending portion 36 having a fixing portion 38 inserted into the housing 12 on the other end side, and a connecting fulcrum portion 30 for connecting the first piece 22 and the second piece 24. The contact portion 26, the connecting fulcrum portion 30, and the connection portion 40 are arranged in a substantially inverted U shape, and the housing 12 includes the contact portions 26 of one and the other contacts 14, 16 in the housing 12. The ceiling member 50 includes a top wall portion 52 that covers the pressing portion 32 and is connected to the ceiling portion 50. and a insertion hole 62 in which the upper wall 52 and a separate independent locking hole 58 in which the pressing portion 54 provided continuously in the direction pressure receiving portion 34 is engaged with the protruding portion 42 can be inserted is inserted, the Preventing the rotation of the pressing portion 54 due to solder rise by means of preventing The pressing portion 54 is mounted on the housing 12 so as to rotate between the protruding base 44 of the one contact 14 and the receiving portion 34 so that the rotating member 18 rotates. When the contact 14 is in a state of being connected to the connection object, between the tip of the upper wall portion 52 and the operation portion 56 and between the upper wall portion 52 and the operation portion 56 of the rotating member 18. This can be achieved by narrowing the distance between the opposite end and the tip of the rotating member 18 in a range where the rotating member 18 does not touch the upper wall portion 52 of the housing 12 when rotating.

In the connector 10 according to claim 3, the ratio of the distance from the end surface 45 of the protruding base 44 of the contact 14 to the end surface 75 of the housing 12 and the length of the slit 74 is 3/5 to 4/5. The connector 10 according to claim 3, wherein the connector is characterized in that The ratio of the distance from the end surface 45 of the projecting base 44 of the contact 14 to the end surface 75 of the housing 12 and the length of the slit 74 is from the end surface 45 of the projecting base 44 of the contact 14 to the end surface 75 of the housing 12. This represents the length (depth) of the slit 74 with respect to the distance.
The connector 10 of claim 4 wherein the a between the tip and the operating portion 56 of the upper wall portion 52 in 0.5~0.7mm while the rotating member 18 in a substantially U-shape, By setting the distance between the upper wall portion 52 and the tip of the rotating member 18 on the side opposite to the operation portion 56 to be 0.3 to 0.5 mm, the rotating member 18 of the housing 12 is rotated during rotation. The connector 10 according to claim 1, wherein the dustproof property is enhanced without touching the upper wall portion 52. If the distance between the tip of the upper wall portion 52 and the operation portion 56 is 0.5 mm or less, the rotating member 18 comes into contact with the housing 12 when the rotating member 18 is rotated. If the distance between the tip and the operation portion 56 is 0.7 mm or more, the dustproof property cannot be improved. If the distance between the upper wall 52 and the tip of the rotating member 18 opposite to the operation portion 56 is 0.3 mm or less, the rotating member 18 contacts the housing 12 when the rotating member 18 is rotated. Therefore, if the distance between the upper wall portion 52 and the tip of the rotating member 18 on the side opposite to the operation portion 56 is 0.5 mm or more, the dustproof property cannot be improved.
Further, in the connector 10 according to claim 5 , the contact 14 and the one and the other contacts 14, 16 are inclined in the opposite direction to the fitting port 20 in at least one of the first piece 22 and the second piece 24. 5. The connector 10 according to claim 1, 2, 3 or 4, wherein an inclined portion 28 is provided.

As is clear from the above description, according to the connector 10 of the present invention, the following excellent remarkable effects can be obtained.
(1) As described in claim 1, the connector 10 is detachably fitted to a connection object, and the required number of contacts 14 having a contact portion 26 that contacts the connection object, and the contacts 14 Are arranged and held, and the connector 10 includes a housing 12 having a fitting opening 20 into which the connection object is inserted, and a rotating member 18 that presses the contact 14. A first piece 22 having a contact portion 26 that comes into contact with an object to be connected, a pressing portion 32 that is pressed by the rotating member 18 on the other end side, and a protruding portion 42 that protrudes inwardly at the tip of the pressing portion 32. When, and a projecting stage 44 positioned above the connecting portion 40 and the connecting portion 40 that connects the substrate to the extension portion 36 and the other end side with a fixed portion 38 to be inserted into the housing 12 at one end Two pieces 24 and a connecting fulcrum part 30 for connecting the first piece 22 and the second piece 24 are provided, and the contact part 26, the connecting fulcrum part 30 and the connecting part 40 are arranged in a substantially crank shape. the projecting stage at least one or more slits 74, slit groove 76 or slit 78 passing through an elongated shape in the thickness direction as a means to prevent solder wicking into the upper end of the projecting stage 44 from the connecting portion 40 as well as The housing 12 includes a ceiling portion 50 that covers the contact portion 26 of the contact 14, and includes an upper wall portion 52 that covers the pressing portion 32 and that is continuous with the ceiling portion 50. The rotating member 18 includes an operating portion 56 for rotating, a pressing portion 54 continuously provided in the longitudinal direction, a separate and independent locking hole 58 into which the pressing portion 32 can be inserted and engaged with the protruding portion 42. The upper wall And a insertion hole 62 2 is inserted, a projecting stage 44 of the pressing portion 54 is the contact 14 so as not to inhibit the rotation of the pressing portion 54 due to solder wicking in the means for preventing pressure receiving The upper wall portion 52 is mounted on the housing 12 so as to rotate with respect to the portion 34, the rotating member 18 rotates, and the contact 14 is connected to the connection object. The rotating member 18 is located above the housing 12 during rotation between the front end and the operating portion 56 and between the upper wall portion 52 and the front end of the rotating member 18 opposite to the operating portion 56. Since the wall portion 52 is narrow so that it does not touch the wall portion 52, the insertion force of the connection object is not applied, the height can be reduced to 2.5 mm or less, and since there is almost no gap, Patent Document 6 discloses 2 ~ 3 times more dustproof can be improved, When the rotating member 18 is rotated, the rotating member 18 is not damaged, and is not damaged. Therefore, the FPC 64 and the contact 14 can be stably connected, and warping occurs when the rotating member 18 is molded. Since the solder does not go up to the pressing portion 54 of the rotating member 18, the rotating member 18 is not damaged.
(2) As described in claim 2, the connector 10 is detachably fitted to the connection object, and a required number of contacts 14, 16 having a contact portion 26 that contacts the connection object, In the connector 10 including the housing 12 having the fitting port 20 into which the contacts 14 and 16 are arranged and held and the connection object is inserted, and the rotating member 18 that presses the contacts 14 and 16, two types of connectors 10 are provided. The contacts 14 and 16 are arranged in a staggered manner, and one of the contacts 14 includes a contact portion 26 that contacts the connection object on one end side, a pressing portion 32 that is pressed on the other end side by the rotating member 18, and the contact portion 26. A first piece 22 having a projecting portion 42 projecting inwardly at the tip of the pressing portion 32, an extending portion 36 having a fixing portion 38 inserted into the housing 12 on one end side, and a substrate on the other end side. A second piece 24 having a projecting stage 44 positioned above the connecting portion 40 and the connecting portion 40 which continues to, and a coupling support point portion 30 for connecting the second piece 24 and the first piece 22, solder wicking elongated in the thickness direction as a means to prevent to the upper end of the projecting stage 44 from the connecting portion 40 while arranging the said connecting portion 40 and the contact portion 26 and the connecting support part 30 in a substantially crank-shaped At least one slit 74, slit groove 76, or slit hole 78 penetrating through the protrusion 44 is provided in the protruding base 44, and the other contact 16 has a contact portion 26 that contacts the connection object on one end side and the other end side. A first piece 22 having a pressing portion 32 pressed by the rotating member 18 and a protruding portion 42 protruding inwardly at the tip of the pressing portion 32, and a connecting portion 40 connected to the substrate on one end side. On the other end A second piece 24 having an extending portion 36 having a fixing portion 38 inserted into the ring 12, and a connecting fulcrum portion 30 for connecting the first 22 piece and the second piece 24, and the contact portion 26, the connecting fulcrum portion 30 and the connection portion 40 are arranged in a substantially inverted U shape, and the housing 12 has a ceiling portion 50 that covers the contact portions 26 of one and the other contacts 14,16. And an upper wall portion 52 that covers the pressing portion 32 and that is continuous with the ceiling portion 50, and the rotating member 18 is a pressing portion that is continuously provided in the longitudinal direction with the operating portion 56 for rotating. 54 and a insertion hole 62 in which the pressure receiving portion 34 is a separate independent locking hole 58 and the upper wall portion 52 to be engaged with the protruding portion 42 can be inserted are inserted, by solder wicking in said means for preventing So that the rotation of the pressing part 54 is not hindered. The pressing portion 54 is mounted on the housing 12 so as to rotate between the protruding base 44 and the pressing portion 34 of one of the contacts 14, the rotating member 18 is rotated, and the contact 14 is In the state of being connected to the connection object, between the tip of the upper wall portion 52 and the operation portion 56 and between the upper wall portion 52 and the tip of the rotating member 18 on the side opposite to the operation portion 56. Since the rotation member 18 is narrowed in a range in which the rotation member 18 does not touch the upper wall portion 52 of the housing 12 during rotation, the pitch can be reduced and the insertion force of the connection object can be applied. In addition, the height can be reduced to 2.5 mm or less, and since there is almost no gap, dust resistance can be improved by 2 to 3 times or more from Patent Document 6, and the rotating member 18 can be rotated. The rotating member 18 is not damaged and is not damaged. The FPC 64 can be stably connected to the one and the other contacts 14, 16, warpage can be suppressed when the rotating member 18 is molded, and the solder can rise to the pressing portion 54 of the rotating member 18. Therefore, the rotating member 18 is not damaged.
(3) In the connector 10 according to the third aspect, the ratio of the distance from the end surface 45 of the protruding base 44 of the contact 14 to the end surface 75 of the housing 12 and the length of the slit 74 is 3/5 to 4/5. Since the connector 10 according to claim 3 is used, solder does not go up to the pressing portion 54 of the rotating member 18, so that the rotating member 18 is not damaged.
(4) In the connector 10 according to claim 4, the rotating member 18 has a substantially U-shaped cross section, and the distance between the tip of the upper wall portion 52 and the operation portion 56 is 0.5 to 0.7 mm. By setting the distance between the upper wall portion 52 and the tip of the rotating member 18 on the side opposite to the operation portion 56 to be 0.3 to 0.5 mm, the rotating member 18 is moved to the housing 12 during rotation. The connector 10 according to claim 1 or 2 is characterized in that the dust-proof property is enhanced without touching the upper wall portion 52. Therefore, since there is almost no gap, the dust-proof property is two to three times or more than Patent Document 6. Can be increased.
(5) In the connector 10 according to the fifth aspect, the contact 14 and one of the contacts 14 and 16 and the other contact 14 and 16 are inclined in at least one of the first piece 22 and the second piece 24 in the direction opposite to the fitting port 20. Since the connector 10 according to claim 1, 2, 3, or 4 is provided with the inclined portion 28, the height is reduced to 2.5 mm or less.

An embodiment of the present invention will be described with reference to FIGS. FIG. 1A is a perspective view of the connector with the rotating member opened as viewed from the FPC insertion side, and FIG. 1B is a perspective view of the connector with the rotating member closed. FIG. 2 is a perspective view of the rotating member, and FIG. 3 is a perspective view of the housing. FIG. 4A is a perspective view of one contact, and FIG. 4B is a perspective view of the other contact. FIG. 5A is a cross-sectional view of one contact portion with the rotating member open, and FIG. 5B is a cross-sectional view of one contact portion with the rotating member closed. 6A is a cross-sectional view of the other contact portion with the rotating member closed, and FIG. 6B is a cross-sectional view of the other contact portion with the rotating member closed. FIG. 7A is a perspective view of the FPC and the connector before being inserted, and FIG. 7B is a perspective view of the connector in a state where the FPC is inserted. FIG. 8 is an explanatory diagram for explaining how to move and rotate the pressing portion of the rotating member. FIG. 9A is an explanatory diagram of a slit, FIG. 9B is an explanatory diagram of a slit groove, and FIG. 9C is an explanatory diagram of a slit hole.
The connector according to one embodiment of the present invention mainly includes a housing 12, a rotating member 18, and contacts 14 and 16. In the connector 10, the two types of contacts 14 and 16 are arranged in a staggered manner by changing the insertion direction into the housing 12, and the pitch is narrowed and lowered by arranging the insertion direction in a staggered manner. It is a thing made to correspond.

  First, the two types of contacts 14 and 16 will be described with reference to FIG. The two types of contacts 14 and 16 are made of metal and are manufactured by a known press working. As the material of the contacts 14 and 16, spring property, conductivity and the like are required, and examples thereof include brass, beryllium copper and phosphor bronze.

First, one contact 14 in FIG. 4A will be described. One of the contacts 14 has a substantially H-shaped shape as shown in FIG. 4A, and at least a contact portion 26 that contacts the FPC 64 (upper side of the drawing of FIG. 4A) and a connection portion 40 that connects to a substrate or the like. Further, a fixing part 38 fixed to the housing 12, a connecting fulcrum part 30, a pressing part 32 pressed by the rotating member 18, and a solder rise prevention means are provided above the connection part 40. The contact portion 26 and the pressing portion 32 are provided at both ends of the first piece 22 of a substantially crank-shaped plate piece, and a protruding portion 42 protruding inward is provided at the tip of the pressing portion 32. Yes. A second piece 24 having an extending portion 36 having a fixing portion 38 inserted into the housing 12 on one end side and a connecting portion 40 connected to the substrate on the other end side is provided, and the first piece 22 and the second piece are provided. The pieces 24 are connected by a connecting fulcrum 30 near the middle. The contact portion 26, the connection fulcrum portion 30, and the connection portion 40 are arranged in a substantially crank shape, and the connection portion 40 is provided with a protruding base 44 that protrudes toward the pressing portion 32, The pressing portion 54 of the rotating member 18 is rotated between the pressing portion 32 and the protruding base 44. In this embodiment, an inclined portion 28 that is inclined in the direction opposite to the fitting port 20 is provided near the connection fulcrum portion 30 of the contact 14. By providing the inclined portion 28, the height is reduced. The protrusion 44 is for adjusting the interval between the pressing portion 32 and the connecting portion 40 in order to rotate stably when the pressing portion 54 of the rotating member 18 rotates. Therefore, the amount of protrusion is appropriately designed in consideration of the above. The solder rise prevention means is provided in the upper part of the connection portion 40 and on the protruding base 44. The solder rise prevention means prevents the solder from going up to the pressing portion 54 of the rotating member 18 when the connector 10 is soldered to the board. Examples of the solder rising prevention means include a slit 74 as shown in FIG. 9A, a slit groove 76 as shown in FIG. 9B, and a slit hole 78 as shown in FIG. 9C. Thus, by providing the slit 74, the slit groove 76, and the slit hole 78, the distance from the connecting portion 40 to the pressing portion 54 is increased, and the solder is the slit 74, the slit groove 76, and the slit hole 78. In this way, it does not reach the pressing portion 54. In the embodiment shown in FIGS. 1 to 8, the slit 74 shown in FIG. 9A is used to prevent the solder from rising. The ratio of the distance from the end surface 45 of the protruding base 44 of the contact 14 to the end surface 75 of the housing 12 (dashed line in FIG. 5) and the length (depth) of the slit 74 is 3/5 to 4/5. Yes. The ratio of the distance from the end surface 45 of the projecting base 44 of the contact 14 to the end surface 75 of the housing 12 and the length (depth) of the slit 74 is determined from the end surface 45 of the projecting base 44 of the contact 14 to the housing 12. This represents the length (depth) of the slit 74 with respect to the distance to the end surface 75 of the slit 74. If it is 3/5 or less, it is not possible to prevent the solder from rising, and if it is 4/5 or more, the strength of the contact 14 becomes weak and may be damaged. In other words, once the solder of the connecting portion 40 rises, it collides with the slit 74, and the traveling direction deviates and advances along the slit 74. Therefore, the distance to the press 54 becomes long and does not reach. That is, the ratio of 3/5 means that the length of the slit 74 is 0.3 mm when the distance from the end surface 45 of the protruding base 44 of the contact 14 to the end surface 75 of the housing 12 is 0.5 mm. The ratio of 4/5 means that when the distance from the end surface 45 of the protruding base 44 of the contact 14 to the end surface 75 of the housing 12 is 0.5 mm, the length (depth) of the slit 74 is 0.4mm.

  The arrangement position of the connecting portion 40 is appropriately designed in consideration of the land position of the substrate, the pattern position of the substrate, the narrow space, and the like. That is, the connecting part 40 is provided on the side facing the contact part 26 or the side facing the pressing part 32 according to the required specifications, and depending on the position of the land, it may be provided in a staggered manner. is there. In the one contact 14, the connecting portion 40 is provided on the side facing the pressing portion 32. The contact portion 26 has a convex shape so that it can easily come into contact with the FPC 64. In the present embodiment, the connection portion 40 is a surface mount type (SMT) as shown in FIG. But it ’s okay. Depending on the specifications of the FPC 64, the contact portion 26 may be provided on the side facing the contact portion 26. That is, two contact portions 26 and 26 may be provided to sandwich the FPC 64. In the present embodiment, one of the contacts 14 is provided with an extending portion 36 so as to face the contact portion 26 from the connection fulcrum portion 30, and fixing for fixing the housing 12 on the extending portion 36. A portion 38 is provided. The size and shape of the fixing portion 38 are appropriately designed in consideration of the holding force, the strength of the housing 12, and the like.

  The connecting fulcrum part 30 and the pressing part 32 are parts for performing the following actions when the FPC 64 is inserted. After the FPC 64 is inserted into the fitting port 20 of the housing 12, the pressing portion 54 of the rotating member 18 rotates between the protruding base 44 of the connecting portion 40 of the contact 14 and the pressing portion 32. When the pressing portion 32 is pushed up by the pressing portion 54, the lower end of the connection fulcrum 30 of the contact 14 (the lower side in FIG. 4A) is used as a fulcrum, and the upper end of the connection fulcrum 30 of the contact 14 is By tilting toward the contact portion 26 side, the contact portion 26 is pressed toward the FPC 64 side. The sizes and shapes of the connecting fulcrum part 30 and the pressing part 32 are appropriately designed in order to achieve such an action. Further, a protrusion 42 is provided at the tip of the pressing portion 32 of the contact 14, and the pressing portion 54 of the rotating member 18 is rotated between the pressing portion 32 of the contact 14 and the protruding base 44 of the connecting portion 40. When it is moved, it is desirable to resist the strong repulsive force against the rotation of the rotating member 18 by engaging with the locking hole 58 of the rotating member 18. The size of the protruding portion 42 may be any size as long as it can fulfill such a role, and is appropriately designed to the extent that the locking hole of the rotating member 18 is caught.

  Next, the other contact 16 will be described. Here, only a difference from the above-described one contact 14 will be described. The other contact 16 has a substantially H-shaped shape as in the case of the one contact 14 as shown in FIG. 4B, and is mainly a contact portion 26 that comes into contact with the FPC 64 (FIG. 4B). A connecting portion 40 connected to the substrate, a fixing portion 38 fixed to the housing 12, a connecting fulcrum portion 30, and a pressing portion 32 pressed by the rotating member 18. The contact part 26, the connecting fulcrum part 30, and the connection part 40 are arranged in a substantially inverted U shape. The connection portion 40 is a surface mount type (SMT) like the one of the contacts 14, but may be a dip type.

  The difference between the one contact 14 and the other contact 16 is that the connecting portion 40 and the extending portion 36 are reversed, although there are some differences in shape. That is, in one contact 14, the connecting portion 40 is provided on the side facing the pressing portion 32, and the extending portion 36 is provided on the side facing the contact portion 26, whereas the other contact 14 is provided. In the contact 16, the connecting portion 40 is provided on the side facing the contact portion 26, and the extending portion 36 is provided on the side facing the pressing portion 32. A fixing portion 38 for fixing to the housing 12 is provided in the extending portion 36 of the other contact 16.

Here, how to move and rotate the pressing portion 54 of the rotating member 18 will be described with reference to FIG.
First, as shown in FIG. 8A, in the state before the connection object and the connector 10 are connected, the lower end 70 side of the pressing portion 54 is connected to the protruding portion 42 of the pressing portion 32 and the connecting portion 40. It is located between the protrusions 44.
Second, as shown in FIG. 8B, when the operation portion 56 is rotated (clockwise in the drawing), the pressing portion 54 moves in the opposite direction to the fitting port 20, and the lower end 70 of the pressing portion 54. The side is sandwiched between the protruding portion 42 of the pressing portion 32 and the protruding base 44 of the connecting portion 40.
Third, as shown in FIG. 8C, when the operation portion 56 is further rotated, the pressing portion 54 rotates about the center of the pressing portion 54 as the rotation shaft 72 at the second position.
Fourth, when the operation portion 56 is further rotated as shown in FIG. 8D, the pressing portion 54 is rotated about the center of the pressing portion 54 as the rotation shaft 72 at the third position, and the pressing portion 54 is rotated. Becomes substantially vertical between the pressing portion 32 and the protruding base 44 of the connecting portion 40, and the rotating shaft 72 moves to the upper end 68 side in contact with the protruding portion 42.
Fifth, when the operation portion 56 is further rotated as shown in FIG. 8E, the pressing portion 54 is rotated around the upper end 68 side in contact with the protruding portion 42 at the fourth position, The pressing portion 54 is engaged in a state of being caught by the protruding portion 42.
That is, the pressing portion 54 moves first, then rotates, and further rotates, the rotating shaft 72 changes to perform a compact rotation (rotation) between spaces.
In other words, in the connector 10 of the present invention, when the object to be connected such as the FPC 64 is inserted into the fitting port 20, an insertion force is not applied (so-called zero insertion force (ZIF)) structure, and the rotation is performed. By rotating the pressing portion 54 of the member 18 closer to the protruding portion 42 side of the contacts 14 and 16 (pushing up the pressing portion 32 of the contacts 14 and 16 on the protruding portion 42 side), the rotation is performed with a small force. The member 18 can be locked, and the pressing portion 54 of the rotating member 18 can push the pressing portion 32 on the protruding portion 42 side of the contacts 14 and 16 to obtain a high contact force. Yes.

Next, the rotating member 18 will be described. The rotating member 18 is an electrically insulating plastic and is manufactured by a known technique of injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples include butylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof.
The rotating member 18 mainly includes a shaft portion rotatably mounted on the housing 12, a pressing portion 54 that presses the pressing portion 32 of the contacts 14, 16, and a protruding portion 42 of the contacts 14, 16. An engaging hole 58 and an operation portion 56 are provided. In this embodiment, the rotating member 18 has a substantially U-shaped cross section. The shaft is a fulcrum for rotating the rotating member 18, and the rotating member 18 is appropriately mounted on both sides in the longitudinal direction of the housing 12 so that the pressing portion 54 rotates as described above. At this time, a clearance is provided in the relationship between the shaft and the bearing portion of the housing 12 so that the rotating shaft 72 changes. Further, on both sides in the longitudinal direction, the rotating member 18 is engaged with the housing 12 so that the rotating member 18 does not lift in the height (upward in the drawing) direction when the pressing portion 32 of the contact 14, 16 is pressed. A lock portion is provided. The lock portion may have any shape, size, etc. as long as it can engage with the housing 12 and is appropriately designed in consideration of the above-described role, the size, strength, etc. of the connector 10.

  The pressing portion 54 of the rotating member 18 is a portion that is pressed against the pressing portion 32 of the contacts 14, 16. The shape of the pressing portion 54 is preferably an elongated shape, and in this embodiment, an elliptical shape. By making the shape oval in this way, as shown in FIGS. 5A and 6A, the rotating member 18 is rotated in the directions of the arrows “I” and “C”, and the contacts 14 and 16 are rotated. By rotating between the pressing portion 32 and the protruding base 44 of the connecting portion 40, the pressing portion 32 of the contacts 14 and 16 is lifted due to the change in the size of the pressing portion 54, and the FPC 64 is connected to the contacts 14 and 16. It is pressed against the contact portion 26 side. As the shape of the pressing portion 54, it can be rotated between the pressing portion 32 of the contacts 14, 16 and the protruding base 44 of the connecting portion 40, and the pressing of the contacts 14, 16 is caused by the difference in size such as the major axis and the minor axis. Any unit can be used as long as the unit 32 can be pushed up. The shape and size of the pressing portion 54 are appropriately designed in consideration of the above. The rotating member 18 is provided with an operation portion 56 in consideration of operability. Characteristically, by rotating between the pressing portion 32 of one of the contacts 14 and the protruding base 44, the pressing portion 32 of one and the other of the contacts 14 and 16 is pushed up, and one and the other. The contact portion 26 of one of the contacts 14 and 16 is in contact with the FPC 64.

Since the repulsive force against the rotation of the rotating member 18 is strong when the rotating member 18 is rotated, a locking hole 58 for engaging the protruding portion 42 of the contacts 14 and 16 is provided independently. It has been. By providing the locking holes 58 separately and independently, the strength of the rotating member 18 is prevented from being increased and deformation during rotation is prevented.
The rotating member 18 described above is rotatably mounted on the side opposite to the fitting port 20 of the housing 12 (on the connecting portion side of one contact 14).
The rotating member 18 is provided with an insertion hole 62 as a relief of the upper wall portion 52 of the housing 12 described below. The insertion hole 62 is a relief of the upper wall portion 52 of the housing 12 when the rotating member 18 rotates. When the rotating member 18 is rotated, when the contacts 14 and 16 are connected to the object to be connected, the tip of the upper wall portion 52 and the operation portion 56 and the upper wall 52 The space between the rotating member 18 and the tip on the opposite side is made narrow so that the rotating member 18 does not touch the upper wall 52 of the housing 12 during rotation. By doing in this way, since there is almost no clearance, dustproofness can be improved to 2-3 times or more from patent documents 6. In the present embodiment, the distance between the tip of the upper wall portion 52 and the operation portion 56 is 0.5 to 0.7 mm, and the upper wall portion 52 and the rotating member 18 are on the opposite side of the operation portion 56. The distance from the tip is 0.3 to 0.5 mm.

  Finally, the housing 12 will be described. The housing 12 is an electrically insulating plastic and is manufactured by a known technique of injection molding. The material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene terephthalate is used. (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof.

  The housing 12 is provided with an insertion groove 48 in which a required number of contacts 14 and 16 are mounted, and is fixed by press fitting, hooking (lance), welding or the like. Further, the housing 12 is provided with a fitting port 20 into which the FPC 64 is inserted, and the size of the fitting port 20 can be inserted into the FPC 64. When the FPC 64 is inserted, the rotating member 18 contacts the contact. It is suitably designed so that it can be pressed to 14 and 16. On both sides of the housing 12 in the longitudinal direction, bearing portions to which the shaft of the rotating member 18 is rotatably mounted are provided. As for the relationship between the shaft and the bearing, a clearance is provided so that the pressing portion 54 of the rotating member 18 as described above can be compactly rotated. The shape and size of the bearing portion may be anything as long as the shaft of the rotation member 18 can be rotated and the pressing portion 54 can be compactly rotated. Design appropriately considering the strength and size.

  The housing 12 is provided with a ceiling portion 50 that covers the contact portions 26, 26 of the contacts 14, 16, covers the pressing portion 32 of the contacts 14, 16, and communicates with the ceiling portion 50. An upper wall portion 52 is provided. The ceiling portion 50 and the upper wall portion 52 are for enhancing the dustproofness of the contacts 14 and 16, and the size and shape of the ceiling portion 50 and the upper wall portion 52 are the role, the strength of the housing 12, and the rotation of the rotating member 18. Design appropriately considering the properties and strength. Considering a reduction in height, the thickness of the housing 12 is made as thin as possible. In this embodiment, the thickness of the upper wall portion 52 is set to 0.3 mm, and the thickness of the wall opposite to the upper wall portion 52 is set to about 0.4 mm.

  As an application example of the present invention, the present invention relates to a structure of the connector 10 that is used for a connector using an FPC 64 used in an electric or electronic device such as a thin plasma television or a notebook personal computer, and in particular has a dustproof measure.

(A) It is a perspective view of the connector of the state which the rotation member seen from the FPC insertion side opened. (B) It is a perspective view of a connector in the state where a rotation member was closed. It is a perspective view of a rotation member. It is a perspective view of a housing. (A) It is a perspective view of one contact. (B) It is a perspective view of the other contact. (A) It is sectional drawing of one contact part of the state which the rotation member opened. (B) It is sectional drawing of one contact part of the state which the rotation member closed. (A) It is sectional drawing of the other contact part of the state which the rotation member closed. (B) It is sectional drawing of the other contact part of the state which the rotation member closed. (A) It is a perspective view of FPC and a connector before being inserted. (B) It is a perspective view of the connector in the state where FPC was inserted. It is drawing explaining the method of a movement and rotation of the press part of a rotation member. (A) It is explanatory drawing of a slit. (B) It is explanatory drawing of a slit groove | channel. (C) It is explanatory drawing of a slit hole.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Connector 12 Housing 14, 16 Contact 18 Rotating member 20 Fitting port 22 1st piece 24 2nd piece 26 Contact part 28 Inclination part 30 Connecting fulcrum part 32 Pressing part 34 Contact piece 36 Extension part 38 Fixing part 40 Connection part 42 Protruding part 44 Protruding base 45 End face 46 Engaging part 48 Inserting groove 50 Ceiling part 52 Upper wall part 54 Pressing part 56 Operating part 58 Locking hole 60 Cover part 62 Inserting hole 64 FPC
66 Locking portion 68 Lower end 70 Upper end 72 Rotating shaft 74 Slit 75 One-dot chain line (housing end surface)
76 Slit groove 78 Slit hole

Claims (5)

A connector that is detachably fitted to a connection object, and a required number of contacts having a contact portion that contacts the connection object, and a fitting in which the connection object is inserted while the contacts are arranged and held. In a connector comprising a housing having a joint and a rotating member that presses the contact,
The contact includes a contact portion that contacts the connection object on one end side, a pressing portion that is pressed by the rotating member on the other end side, and a protruding portion that protrudes inwardly at the tip of the pressing portion. A second piece having one piece, an extending portion having a fixed portion inserted into the housing on one end side, a connecting portion connected to the substrate on the other end side, and a protruding base positioned on the upper portion of the connecting portion ; A connecting fulcrum portion that connects the first piece and the second piece, the contact portion, the connecting fulcrum portion, and the connection portion are arranged in a substantially crank shape, and the upper end of the protruding base from the connection portion As a means for preventing the solder from going up , at least one or more slits, slit grooves or slit holes penetrating in the plate thickness direction are provided in the protruding base ,
The housing includes a ceiling portion that covers the contact portion of the contact, and includes an upper wall portion that covers the pressing portion and is connected to the ceiling portion.
The rotating member includes an operating portion for rotating, a pressing portion continuously provided in a longitudinal direction, and a pressing portion that can be inserted thereinto, and a separate independent locking hole that engages with the protruding portion and the upper wall portion are inserted. The pressing portion is rotated between the protruding base of the contact and the receiving portion so that the preventing means does not hinder the rotation of the pressing portion due to solder rise. Attached to the housing as
When the rotating member is rotated and the contact is connected to the connection object, the operation of the upper wall portion and the rotating member is performed between the tip of the upper wall portion and the operating portion. The connector is characterized in that the rotation member is narrowed so that the rotation member does not touch the upper wall of the housing during rotation. A connector that is detachably fitted to a connection object, and a required number of contacts having a contact portion that contacts the connection object, and a fitting in which the connection object is inserted while the contacts are arranged and held. In a connector comprising a housing having a joint and a rotating member that presses the contact,
Two kinds of contacts are arranged in a staggered manner,
One of the contacts has a contact portion that contacts the connection object on one end side, a pressing portion that is pressed by the rotating member on the other end side, and a protruding portion that protrudes inwardly at the tip of the pressing portion. A second piece having a first piece having an extension portion having a fixing portion inserted into the housing on one end side, a connection portion connected to the substrate on the other end side, and a protruding base positioned on the upper portion of the connection portion And a connecting fulcrum portion that connects the first piece and the second piece, and the contact portion, the connecting fulcrum portion, and the connection portion are arranged in a substantially crank shape, and the protruding base from the connection portion. provided at least one or more slits penetrating in the plate thickness direction in an elongated shape as a means for preventing solder wicking into the upper end, a slit groove or slit in the projecting stage,
The other contact has a contact portion that contacts the connection object on one end side, a pressing portion that is pressed by the rotating member on the other end side, and a protruding portion that protrudes inwardly at the tip of the pressing portion. A second piece having a first piece having a connection portion connected to the substrate on one end side and an extending portion having a fixing portion inserted into the housing on the other end side, the first piece and the second piece A connecting fulcrum part for connecting the contact part, the connecting fulcrum part and the connection part in a substantially inverted U shape,
The housing includes a ceiling portion that covers a contact portion of one and the other of the contacts, and includes an upper wall portion that covers the pressing portion and is connected to the ceiling portion.
The rotating member includes an operating portion for rotating, a pressing portion continuously provided in a longitudinal direction, and a pressing portion that can be inserted thereinto, and a separate independent locking hole that engages with the protruding portion and the upper wall portion are inserted. The pressing portion is rotated between the protruding base of one of the contacts and the receiving portion so that the preventing means does not hinder the rotation of the pressing portion due to solder rise. Mounted on the housing to move,
When the rotating member is rotated and the contact is connected to the connection object, the operation of the upper wall portion and the rotating member is performed between the tip of the upper wall portion and the operating portion. The connector is characterized in that the rotation member is narrowed so that the rotation member does not touch the upper wall of the housing during rotation.   The connector according to claim 1 or 2, wherein a ratio of a distance from an end surface of the protruding base of the contact to an end surface of the housing and a length of the slit is 3/5 to 4/5.   The rotating member has a substantially U-shaped cross section, and a space between the tip of the upper wall portion and the operating portion is 0.5 to 0.7 mm, and the upper wall portion and the operating portion of the rotating member are The dustproof property is improved by setting the distance between the opposite end to 0.3 to 0.5 mm so that the rotating member does not touch the upper wall portion of the housing during rotation. The connector according to 1, 2 or 3.   The said contact and one said other contact are provided with the inclination part which inclines in the opposite direction to the said fitting port in at least one of a 1st piece and a 2nd piece. 4. The connector according to 4.

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