CN1282276C

CN1282276C - Electric connector

Info

Publication number: CN1282276C
Application number: CN 03138012
Authority: CN
Inventors: 徐国峻; 渡边正夫
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-05-22
Filing date: 2003-05-22
Publication date: 2006-10-25
Anticipated expiration: 2023-05-22
Also published as: CN1549400A

Abstract

The present invention discloses an electric connector for a flexible circuit board, which comprises an insulating body, conductive terminals, a lug and a press cover, wherein a plurality of terminal slots are mutually arranged on the insulating body at intervals; the conductive terminals are contained in the insulating body; the lug is adjacent to the terminal slots; the press cover can be arranged on the insulating body in a rotary way; the press cover can rotate corresponding to the horizontal closed position of the insulating body and the vertical open position of the insulating body. When positioned in the open position, the press cover can rotate and matched with the lug and has gaps with the terminals; when positioned in the closed position, the press cover is butted with the terminals.

Description

Electric connector

[technical field]

The invention relates to a kind of electric connector, refer to a kind of flexible PCB electric connector especially.

[background technology]

Existing flexible PCB electric connector, it generally comprises insulating body, rotatablely is connected to the gland on the insulating body and is contained in the interior plurality of conductive terminals of insulating body.When gland rotates to make position with respect to the insulating body level, conducting terminal in flexible PCB and the insulating body is reached electric connection, when gland rotates to respect to the vertical enable possition of insulating body, the electric connection of flexible PCB and conducting terminal is removed, at this moment, can take out flexible PCB.United States Patent (USP) is announced No. 5842883, No. 5695360, No. 5785549, No. 5895287, No. the 3106344th, Japanese patent of invention, No. the 2580074th, novel patent, novel patent and has all been disclosed this flexible PCB electric connector No. 3035692.But, see also Fig. 8, existing flexible PCB comprises with the conducting terminal 6 of electric connector 9 makes conducting terminal 6 be immobilizated in holding parts 62 on the insulating body 8, be used for the docking section 64 of docking with flexible PCB (not shown) and be used to be soldered to the weld part 66 of circuit board (not shown).During gland 7 rotation normally the holding parts 62 with the terminal 6 that protrudes in insulating body 8 be pivot, in gland 7 rotary courses, because 62 of the holding parts of gland 7 and terminal 6 have the frictional force effect, the holding parts 62 of terminal 6 can be subjected to making terminal 6 and insulating body 8 to break away from the active force of direction, thereby make conducting terminal 6 and flexible PCB loose contact, when serious even can cause terminal 6 distortion or break away from insulating body 8, can't realize electrically conducting with flexible PCB.

[summary of the invention]

Main purpose of the present invention provides a kind of electric connector that is used to electrically connect flexible PCB, and it can prevent terminal distortion or break away from insulating body, guarantees the stable electric connection between the conducting terminal of flexible PCB and electric connector.

The invention relates to a kind of flexible PCB electric connector, it comprises: apart from one another by ground offer the plurality of terminals groove insulating body, be contained in conducting terminal in the insulating body, adjacent to the projection and the rotatable gland that is installed on the insulating body of terminal groove.Wherein gland can be in rotating with respect between the make position of insulating body level and the enable possition vertical with respect to insulating body.The appearance profile of conducting terminal bared end pilot trench part is less than the appearance profile of projection, so that gland rotates with projection when rotating and cooperate, but do not contact with terminal, when gland is in the close position, connects with terminal.

Compared with prior art, advantage of the present invention is: insulating body is equipped with some projections adjacent to terminal groove, and this projection cooperates with the above-mentioned structure rotation that is opened in base edge, makes gland rotate between enable possition and make position.Because the gland rotation time is to be pivot with the projection, in the rotary course, gland does not contact with terminal, thereby can prevent that terminal is out of shape, and guarantees the stable electric connection between the conducting terminal of flexible PCB and electric connector.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 2 is the stereogram of electric connector gland of the present invention.

Fig. 3 is the stereogram that electric connector gland of the present invention is in the enable possition.

Fig. 4 is the cutaway view of Fig. 3 along the IV-IV direction.

Fig. 5 is the stereogram that electric connector gland of the present invention is in the close position.

Fig. 6 is the cutaway views of 5 figure along the VI-VI direction.

Fig. 7 is the partial sectional view of electric connector of the present invention.

Fig. 8 is an existing flexible PCB related to the present invention cutaway view when working with electric connector.

[embodiment]

See also Fig. 1, electric connector 1 of the present invention is used to electrically connect flexible PCB (not shown), comprises insulating body 2, gland 3, the conducting terminal 4 that is contained in insulating body 2 that can cooperate with insulating body 2 rotations and the metal ear 5 that is embedded at insulating body 2 two ends.

Insulating body 2 comprises longitudinal resettlement section 22, the carrier 24 that 22 1 sides vertically extend from the resettlement section and the fixing arm 26 that 22 two ends vertically extend from the resettlement section respectively.Wherein resettlement section 22 includes front surface 222, is opened in the plurality of terminals groove 224 on this front surface 222 and is darted at the some semicircle projection 226 of 224 of adjacent both ends pilot trench apart from one another by ground.Some grooves 244 parallel to each other that carrier 24 includes upper surface 242 and corresponding end pilot trench 224 positions are arranged with formation on upper surface 242.Fixing arm 26 comprises the holding tank 262 that is opened in insulating body 2 both ends and is arranged with the slideway 264 that forms and be provided with block 2642 in the appropriate location in these two holding tanks, 262 lateral surfaces.

Please in conjunction with consulting Fig. 2, gland 3 includes lengthwise flat-platy base portion 32 and is located at the arm 34 at these base portion 32 two ends respectively.Wherein base portion 32 comprises being opened in the groove 322 that the one lateral edge matches with semicircle projection 226 on the insulating body 2 and being located at its another side and is used for the bearing surface 324 that connects with flexible PCB.Arm 34 can be contained in the holding tank 262 of insulating body 2, and in its relative lengthwise to both ends of the surface stretch out and be provided with a pivot 342, this pivot 342 can be stuck on the block 2642 on the slideway 264 at insulating body 2 two ends, thereby gland 3 is positioned on the insulating body 2, prevents to break away from insulating body 2 in gland 3 rotary courses.

Conducting terminal 4 comprises holding parts 42 in the terminal groove 224 that is immobilizated in insulating body 2, be placed in the groove 244 of insulating body 2 docking section 44 that can be electrically conducted with flexible PCB and the weld part 46 in order to be soldered to circuit board.

Metal ear 5 is embedded at the both sides of insulating body 2, is used to be soldered to circuit board, to strengthen electric connector 1 and circuit board connection stability.

See also Fig. 1, Fig. 3 and Fig. 4, during electric connector 1 assembling, earlier conducting terminal 4 correspondences are packed in the insulating body 2, this moment, the holding parts 42 of conducting terminal 4 was immobilizated in the terminal groove 224 of insulating body 2, and docking section 44 is placed in the groove 2441 of insulating body 2 and protrudes in upper surface 244.The appearance profile of these holding parts 42 bared end pilot trench 224 parts does not contact with the holding parts 42 of conducting terminal 4 when being the center rotation with assurance gland 3 with semicircle projection 226 less than the appearance profile of the semicircle projection 226 of insulating body 2 simultaneously.Then with gland 3 with the fashion of extrusion insulating body 2 of packing into, at this moment, arm 34 ends of gland 3 are corresponding to holding tank 262 positions of insulating body 2, its pivot 342 enters in the slideway 264 of insulating body 2 and is stuck in block 2642 places with fashion of extrusion, thereby the relative position of stationary gland 3 and insulating body 2, make gland 3 can be stably be the center with the semicircle projection 226 of insulating body 2, between enable possition and make position, rotate.

See also Fig. 1, Fig. 5 and Fig. 6, during use, earlier gland 3 is placed the enable possition, insert flexible PCB, rotate gland 3 then, making its semicircle projection 226 with insulating body 2 is that pivot rotates to make position, at this moment, the bearing surface 324 of gland 3 is connected to flexible PCB, makes flexible PCB be connected to upper surface 242, and the docking section 44 that will expose the conducting terminal 4 of upper surface 242 is pressed into groove 244, thereby realizes the stable electric connection of flexible PCB and terminal 4.And since the profile profile of semicircle projection 226 greater than the holding parts 42 profile profiles of terminal 4, so do not contact in gland 3 rotary courses with terminal 4, when gland 3 rotates to make position, gland 3 just can contact with terminal 4, utilizes

terminal

4 and 2 pairs of flexible PCBs of insulating body that strong support force is provided.Thereby can prevent terminal 4 stress deformation or be separated in gland 3 rotary courses, guarantee 4 stable electric connections of conducting terminal of flexible PCB and electric connector 1 with insulating body 2.

Please refer to Fig. 6, when flexible PCB inserts, the docking section 44 of terminal 4 is connected to flexible PCB, give flexible PCB one pressure, this pressure acts on the bearing surface 324 of gland 3 by flexible PCB, and since the application point A of this pressure on horizontal direction with respect to the resettlement section 22 of the more close insulating body 2 of the rotating shaft of gland 3, and after gland 3 is rotating closed, the pressure that this terminal 4 acts on the bearing surface 324 of gland 3 is to fasten direction in the same way with gland 3 to the gland 3 moment direction M that produces, so have self-locking effect after gland 3 is rotating closed, gland 3 can not opened voluntarily because of the effect of terminal pressure.

Claims

1. electric connector that is used to electrically connect flexible PCB, comprise: the insulating body that offers the plurality of terminals groove apart from one another by ground, be contained in the conducting terminal of insulating body terminal groove, projection and the rotatable gland that is installed on the insulating body adjacent to terminal groove, wherein gland can rotate between make position and enable possition, it is characterized in that: rotate with projection when the appearance profile of conducting terminal bared end pilot trench part makes that less than the appearance profile of projection gland rotates and cooperate, but do not contact with conducting terminal, when gland was in the close position, it can connect with terminal.

2. electric connector as claimed in claim 1 is characterized in that: the equal semicircular in shape structure of each projection.

3. electric connector as claimed in claim 1 is characterized in that: gland includes a lengthwise flat-platy base portion and is located at the arm at these base portion two ends respectively.

4. electric connector as claimed in claim 3 is characterized in that: the base portion of gland offers the structure that matches with the insulating body projection in the one lateral edge.

5. electric connector as claimed in claim 4 is characterized in that: the structure that the projection with on the insulating body that base portion one lateral edge of gland is offered matches is a groove.

6. as claim 1 or 3 described electric connectors, it is characterized in that: insulating body includes resettlement section, the carrier that one side vertically extends from the resettlement section and the fixing arm that vertically extends from the two ends, resettlement section respectively.

7. electric connector as claimed in claim 6 is characterized in that: the fixing arm both ends of insulating body offer holding tank.

8. electric connector as claimed in claim 7 is characterized in that: insulating body fixing arm also comprises respectively at two holding tank lateral surfaces and is arranged with the slideway that forms and be provided with in the appropriate location block.

9. electric connector as claimed in claim 8, it is characterized in that: the gland arm can be contained in the holding tank of insulating body, and in its relative lengthwise to both ends of the surface stretch out and be provided with a pivot, this pivot can be stuck in the block place on the slideway at insulating body fixing arm two ends.

10. electric connector as claimed in claim 1 is characterized in that: the two ends of insulating body are provided with the metal ear that is welded in circuit board.