JP2008147064A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector 10 having high dust-proofness without applying much insertion force to an FPC 64, and capable of preventing a rotating member from being damaged even in the case of multiple cores. <P>SOLUTION: A contact 14 is provided with a contact part 26, a connection part 40, a support part 28, a joining part 30 and a pressure reception part 32, is arranged in a nearly lateral H-shape, and is structured such that the contact part 26 is connected to the FPC 64 when a pressing part 54 of the rotating member 18 rotates between the connection part 40 and the pressure reception part 32. A housing 12 is provided with a ceiling part 50 and an upper wall part 52. The rotating member 18 is provided with an operation part 56, the pressing part 54, the pressure reception part 32, a locking hole 58 , a cover part 60 and a cutout part 74. After rotating the rotating member 18 by putting a finger on the operation part 56 other than the cutout part 74 thereof, a distance between a tip of the upper wall part 52 and the operation part 56, and a distance between the upper wall part 52 and a tip of the rotating member 18 on the side opposite to the operation part 56 are reduced within ranges preventing the rotating member 18 from touching the upper wall part 52 of the housing 12 in rotating it. <P>COPYRIGHT: (C)2008,JPO&INPIT

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, and the connection portion and the pressing portion are arranged. 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, and the connection portion and the pressing portion are arranged. 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 Patent Document 7 with improved dustproofness, depending on where the rotating member is rotated by hand in the case of a multi-core number, the rotating member is poorly balanced and the rotating member is damaged. There was a problem that the connection could not be made.

  The present invention has been made in view of the above-described conventional problems. A connector 10 that does not receive an insertion force of an object to be connected, has high dust resistance, and does not break a rotating member even in the case of a multi-core number is provided. It is to be provided.

  The above object is a connector 10 that is detachably fitted to a connection object, and has a required number of contacts 14 having contact portions 26 that come into contact with the connection object, and the contacts 14 are arranged and held and In the connector 10 including the housing 12 having the fitting opening 20 into which the connection object is inserted and the rotating member 18 that presses the contact 14, the contact 14 is in contact with the connection object on one end side. 26, a first piece 22 having 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 the housing 12 on one end side. A second piece 24 having an extending portion 36 having a fixing portion 38 inserted into the first portion and a connecting portion 40 connected to the substrate on the other end side, and a connection for connecting the first piece 22 and the second piece 24 to each other. The contact portion 26, the connecting fulcrum portion 30, and the connection portion 40 are arranged in a substantially crank shape, and the housing 12 includes a ceiling portion 50 that covers the contact portion 26 of the contact 14. 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 an operating portion 56 for turning. The part 54 and the pressing part 32 can be inserted, a separate and independent locking hole 58 that engages with the protruding part 42, an insertion hole 62 in which the upper wall part 52 is inserted, and notches 74 at both ends of the operation part 56. The pressing portion 54 is mounted on the housing 12 so as to rotate between the connection portion 40 of the contact 14 and the pressing portion 32, and the operation portion 56 other than the notch portion 74 is fingered. And the rotating member 18 is rotated. 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 distal end within a range where the rotating member 18 does not touch the upper wall portion 52 of the housing 12 during rotation.

  In order to achieve a narrower pitch, the connector 10 is detachably fitted to the connection object, and a required number of contacts 14 and 16 having contact portions 26 that come into contact with the connection object, In the connector 10 including the housing 12 having the fitting port 20 into which the connection object is inserted and the rotating member 18 that presses the contacts 14, 16, the two types of contacts 14, 16 is arranged in a staggered manner, and one of the contacts 14 has a contact portion 26 that contacts the connection object on one end side, a pressing portion 32 that is pressed by the rotating member 18 on the other end side, and the pressing portion. A first piece 22 having a projecting portion 42 projecting inwardly at the tip of 32, an extension 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 connecting portion 40, 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 connecting portion. 40 is arranged in a substantially crank shape, and the other contact 16 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 protruding portion 42 protruding inwardly at the tip of the pressing portion 32, a connecting portion 40 connected to the substrate on one end side, and a fixing portion 38 inserted into the housing 12 on the other end side. A second piece 24 having an extending portion 36; 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 connecting portion. 40 in a substantially inverted U shape, the housing 12 is one side And a ceiling part 50 that covers the contact part 26 of the other contact 14, 16, and an upper wall part 52 that covers the pressing part 32 and is connected to the ceiling part 50. The member 18 includes an operating portion 56 for rotating, a pressing portion 54 provided in the longitudinal direction, the separate receiving hole 58 into which the pressing portion 34 can be inserted, and the upper wall. An insertion hole 62 into which the portion 52 is inserted and notches 74 are provided at both ends of the operation portion 56, and the pressing portion 54 rotates between the connection portion 40 of the one contact 14 and the pressing portion 34. When the operation member 56 is mounted on the housing 12 and the operation portion 56 other than the notch portion 74 is fingered, the rotation member 18 is rotated, and the contact 14 is connected to the connection object. The tip of the upper wall portion 52 and the operation portion 56 And the rotating member 18 does not touch the upper wall portion 52 of the housing 12 during rotation between the upper wall portion 52 and the tip of the rotating member 18 opposite to the operation portion 56. This can be achieved by narrowing the range.

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 operation portion 56 and the tip on the opposite side to 0.3 to 0.5 mm, the rotating member 18 does not touch the upper wall portion 52 of the housing 12 during rotation, and is dustproof. To increase. 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.
At least one of the first piece 22 and the second piece 24 is provided with an inclined portion 28 that is inclined in the opposite direction to the fitting port 20 in the contact 14 and the one and other contacts 14 and 16.
Further, the shape of the operation part 56 other than the notch part 74 is inclined.
Further, the notch 74 is tapered.

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) A connector 10 that is detachably fitted to a connection object, and a 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 connection In the connector 10 including the housing 12 having the fitting opening 20 into which the object is inserted and the rotating member 18 that presses the contact 14, the contact 14 is in contact with the connection object 26 at one end side. And a first piece 22 having 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 the housing 12 on one end side. A connecting piece that connects the first piece 22 and the second piece 24 with the second piece 24 having the extending portion 36 having the fixed portion 38 to be inserted and the connecting portion 40 connected to the substrate on the other end side. Part The contact portion 26, the connecting fulcrum portion 30, and the connection portion 40 are arranged in a substantially crank shape, and the housing 12 has a ceiling portion 50 that covers the contact portion 26 of the contact 14. 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 provided with a pressing portion 54 that is continuously provided in the longitudinal direction with an operating portion 56. A separate and independent locking hole 58 that can be inserted into the pressing portion 32 and engaged with the protruding portion 42; an insertion hole 62 into which the upper wall portion 52 is inserted; and notches 74 at both ends of the operating portion 56. The pressing portion 54 is mounted on the housing 12 so as to rotate between the connection portion 40 of the contact 14 and the pressing portion 34, and the operation portion 56 other than the notch portion 74 is hooked with a finger. The rotating member 18 is rotated and moved forward. When the contact 14 is in a state of being connected to the connection object, it is between the tip of the upper wall portion 52 and the operation portion 56 and on the side opposite to the operation portion 56 of the upper wall portion 52 and the rotating member 18. Since the rotating member 18 is narrowed so as not to touch the upper wall portion 52 of the housing 12 when rotating, the insertion force of the connection object is not applied and 2.5 mm. The following height reduction is possible, and since there is almost no gap, the dustproof property can be improved by 2 to 3 times or more from Patent Document 6, and the rotating member 18 is rotated when the rotating member 18 is rotated. Therefore, the FPC 64 and the contact 14 can be stably connected, and warpage can be suppressed when the rotating member 18 is molded.
(2) A connector 10 that is detachably fitted to a connection object, and a required number of contacts 14 and 16 having a contact portion 26 that contacts the connection object, and the contacts 14 and 16 are arranged and held. In the connector 10 including the housing 12 having the fitting port 20 into which the connection object is inserted and the rotating member 18 that presses the contacts 14 and 16, the two types of contacts 14 and 16 are arranged in a staggered manner. The one contact 14 includes a contact portion 26 that contacts the connection object on one end side, a pressing portion 32 that is pressed by the rotating member 18 on the other end side, and an inner end at the tip of the pressing portion 32. It has the 1st piece 22 which has the protrusion part 42 which protruded, the extension part 36 which has the fixing | fixed part 38 inserted in the said housing 12 in one end side, and the connection part 40 connected to a board | substrate in the other end side. A second piece 24; 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 in a substantially crank shape. The other contact 16 is arranged on one end side with a contact portion 26 that contacts the connection object, on the other end side with a pressing portion 32 that is pressed by the rotating member 18 and on the tip of the pressing portion 32. A first piece 22 having a protruding portion 42 protruding inward, a connecting portion 40 connected to the substrate on one end side, and an extending portion 36 having a fixing portion 38 inserted into the housing 12 on the other end side. A second piece 24; 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 connecting portion 40 are substantially inverted U-shaped. Arranged in a shape, the housing 12 has one and the other of the components. And a top wall portion 52 that covers the pressing portion 32 and that is continuous with the ceiling portion 50. The operating portion 56 for moving, the pressing portion 54 provided continuously in the longitudinal direction, the pressing portion 34 can be inserted, and the independent locking hole 58 and the upper wall portion 52 which are engaged with the protruding portion 42 are inserted. Insertion hole 62 and cutout portions 74 at both ends of the operation portion 56, and the housing 12 so that the pressing portion 54 rotates between the connection portion 40 of the one contact 14 and the pressing portion 34. The upper wall portion is attached to the operation portion 56 other than the notch portion 74 and the rotation member 18 is rotated and the contact 14 is connected to the connection object. 52 between the tip of 52 and the operation portion 56 and the upper wall portion 5. 2 and the tip of the rotating member 18 on the side opposite to the operation portion 56 are narrowed so that the rotating member 18 does not touch the upper wall portion 52 of the housing 12 when rotating. The pitch can be narrowed, the insertion force of the connection object is not applied, the height can be reduced to 2.5 mm or less, and there is almost no gap, so that it is 2-3 times or more than Patent Document 6. Dustproofness can be improved, and when the rotating member 18 is rotated, the rotating member 18 is not damaged and is not damaged. Therefore, the FPC 64 and one and the other contacts 14, 16 Can be stably connected, and warpage can be suppressed when the rotating member 18 is molded.
(3) 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 operation portion 56 of the moving member 18 and the tip on the opposite side to 0.3 to 0.5 mm, the rotating member 18 does not touch the upper wall portion 52 of the housing 12 when rotating. Therefore, since there is almost no gap, it is possible to improve the dustproof property to 2 to 3 times or more than Patent Document 6.
(4) At least one of the first piece 22 and the second piece 24 is provided with an inclined portion 28 that is inclined in the opposite direction to the fitting port 20 in the contact 14 and the one and other contacts 14 and 16. Therefore, it leads to a low profile of 2.5 mm or less.
(5) Since the shape of the operation part 56 other than the notch part 74 is inclined, the operability of the rotating member 18 is good, and the rotating member 18 can be easily rotated with a finger.
(6) Since the cutout portion 74 is tapered, the finger can only be applied to the operation portion 56 other than the cutout portion 74, and the rotation member 18 can be reliably rotated by the operation portion 56 at the center portion. The rotating member 18 is not damaged.

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 the 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.
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. And 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 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. The first piece 22 and the second piece 24 are provided with an extension part 36 having a fixing part 38 inserted into the housing 12 on one end side and a connection part 40 connected to the substrate on the other end side. 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 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 connection object such as the FPC 64 is inserted into the fitting port 20, no insertion force is 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. The engaging hole 58 and the operating portion 56 to be joined are provided with notches 74 at both ends of the operating portion 56. 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.
Further, notches 74 are provided at both ends of the operation unit 56. By providing the notch 74, when turning the rotating member 18, the finger of the hand is applied only to the central portion, and the rotating member 18 is rotated in a well-balanced manner. The size of the cutout portion 74 is sufficient if a finger of a hand is applied to the operation portion 56 other than the cutout portion 74, and the above role, the strength of the operation portion 56, and the moldability of the rotating member 18 are taken into consideration. And design accordingly. The shape of the operation unit 56 is appropriately designed so that the finger of the hand is easily caught.
The notch 74 is tapered. By making the taper, a finger can only be applied to the operation portion 56 other than the notch portion 74, and the rotation member 18 can be reliably rotated by the operation portion 56 in the central portion, and the rotation member 18 is damaged. Can be prevented. The taper only needs to satisfy such a role, and may be C chamfering or R. The taper is preferably set to 20 to 50 degrees in consideration of role, injury, workability, and the like.

  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. 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 rotate 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 part 50 and the upper wall part 52 are for enhancing the dustproofness of the contacts 14 and 16, and the size and shape of the ceiling part 50 and the upper wall part 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.

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 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 Notch

Claims (6)

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, and a connecting portion connected to the substrate on the other end side, and the first piece and the second piece. A connecting fulcrum portion to be connected, and the contact portion, the connecting fulcrum portion and the connection portion are arranged in a substantially crank shape,
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. Provided with an insertion hole and a notch at both ends of the operation portion, and the pressing portion is mounted on the housing so as to rotate between the connection portion of the contact and the pressing portion, and other than the notch portion. A finger is put on the operation part of
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 first piece having a first piece having an extension portion having a fixing portion inserted into the housing on one end side, and a connecting portion connecting to a substrate on the other end side, and the first piece and the second piece. A connecting fulcrum portion that connects the contact portion, the connecting fulcrum portion and the connection portion in a substantially crank shape,
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. An insertion hole formed on the housing and a notch at both ends of the operation portion, and the pressing portion is mounted on the housing so as to rotate between a connection portion of one of the contacts and a pressing portion. A finger hangs on the operation part other than the part,
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 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 or 2. The said contact, one said contact, and the 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. Connector. The connector according to claim 1, wherein a shape of the operation portion other than the notch portion is inclined. The connector according to claim 1, wherein the notch is tapered.

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