CN2660706Y

CN2660706Y - Electrical connector

Info

Publication number: CN2660706Y
Application number: CNU032779119U
Authority: CN
Inventors: 余宏基
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-08-18
Filing date: 2003-08-18
Publication date: 2004-12-01
Anticipated expiration: 2013-08-18

Abstract

The utility model discloses an electrical connector used as an electrical connection with a flexible circuit board, including an insulation body, a gland which can be rotationally arranged on the insulation body and a plurality of conductive terminals contained in the insulation body, wherein, the insulation body is provided with a lengthwise containing part, the front surface of the containing part is provided with a plurality of terminal containing grooves with interval, the insulation body is provided with a plurality of protruding semi-circular bumps on adjacent terminal groove, wherein, the terminal is provided with a first terminal arm and a second terminal arm relatively, one end of the first arm is provided with a head, the heads and the semi-circular bump of the corresponding terminal groove are arranged coaxially and can be used as common rotary center of the rotating gland, and the height from the external arc part of the semi-circular bump to a print circuit board is over than the height from the external arc part of the head of the terminal to the print circuit board. Therefore, the coordination of the structures can prevent disconnection between the terminal and the insulation body while ensuring stable electrical connection between the flexible circuit board and the conductive terminal of the electrical connector.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, refers to a kind of electric connector that electrically connects with flexible PCB especially.

[background technology]

The connector industry is known, and the electric connector that existing and flexible PCB electrically connect generally comprises insulating body, rotatablely is connected to the gland on this insulating body and is contained in plurality of conductive terminals in this 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.No. 5895287 United States Patent (USP) that No. 5785549 United States Patent (USP) of announcing in No. 5695360 United States Patent (USP) of announcing in No. 5842883 United States Patent (USP) of announcing on December 1st, 1998, on December 9th, 1997, on July 28th, 1998, on April 20th, 1999 are announced all disclosed this kind electric connector.Yet, please refer to Fig. 8, the conducting terminal 6 of these existing electric connectors 9 comprises 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 starts usually the holding parts 62 with the terminal 6 that protrudes in insulating body 8 be pivot, after flexible PCB (FPC) is inserted electric connector 9, in gland 7 rotary courses, because frictional force effect between the holding parts 62 of gland 7 and terminal 6, the holding parts 62 of terminal 6 can be subjected to along the bigger active force of direction that terminal 6 and insulating body 8 are broken away from, thereby cause 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 well being electrically conducted with flexible PCB.

Therefore, be badly in need of the electric connector of a kind of improvement of design to overcome above-mentioned shortcoming.

[summary of the invention]

Main purpose of the present utility model is to provide a kind of terminal and insulating body of can effectively preventing to be separated and to guarantee the stable electric connector that is used to electrically connect flexible PCB that electrically connects between the conducting terminal of flexible PCB and electric connector.

For achieving the above object, the utility model discloses a kind of electric connector that is used to electrically connect flexible PCB, and it comprises: insulating body, rotatablely be installed on the gland on the insulating body and be contained in plurality of conductive terminals in the insulating body.Wherein insulating body is provided with a longitudinal resettlement section, offers the plurality of terminals groove in this resettlement section front surface apart from one another by ground, and insulating body is equipped with some semicircle projections in the abutting end pilot trench.Wherein conducting terminal is provided with the first terminal arm and second terminal arm relatively, be provided with head in the first terminal arm one end, and the semicircle projection of the terminal groove that each head is adjacent is coaxial, the lid of electric connector can rotate around the pivot of being made up of jointly these heads and semicircle projection, after the assembling of this electric connector finishes, the outer arcuate profile of semicircle projection to the height of printed circuit board (PCB) greater than the outer arcuate profile of terminal head height to printed circuit board (PCB).Be provided with the docking section that joins with flexible PCB in the relative head of second terminal arm, one end, be kink between the first terminal arm and second terminal arm, kink is provided with the 3rd terminal arm relatively, be provided with the stop section of fixed terminal in the 3rd terminal arm two ends, the place, stop section near second terminal arm in the 3rd terminal arm convexes with foot, and this foot is provided with the weld part that welds mutually with printed circuit board (PCB) relatively.Gland includes a lengthwise flat-platy base portion, offers the structure that matches with the semicircle projection of insulating body in this base portion one lateral edge.

Compared with prior art, electric connector of the present utility model has the following advantages: gland rotates to the process of about half stroke from the enable possition, be pivot with semicircle projection during the gland start, in this rotary course, gland does not contact with terminal, can not produce the frictional force and the elastic force that make terminal disengaging body, guarantee electric connection stable between the conducting terminal of flexible PCB and electric connector.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the stereogram of the utility model electric connector gland.

Fig. 3 is the stereogram that the utility model electric connector gland is in the enable possition.

Fig. 4 is the cutaway view of the utility model electric connector gland electric connector when being in opening.

Fig. 5 is the stereogram that the utility model electric connector gland is in the close position.

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

Fig. 7 is the utility model electric connector part figure that decides what is right and what is wrong.

Fig. 8 is the cutaway view of the electric connector used of existing flexible PCB.

[embodiment]

See also Fig. 1 and Fig. 7, the electric connector 1 that is used to electrically connect flexible PCB (not shown) of the present utility model 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.Wherein insulating body 2 comprises longitudinal resettlement section 22, the carrier 24 that vertically extends of these resettlement section 22 1 sides and the fixing arm 26 that vertically extends from these 22 two ends, resettlement section respectively certainly.Wherein resettlement section 22 includes front surface 222, some terminal grooves 224 that is opened on this front surface 222 apart from one another by ground reach in 224 prominent some semicircle projections of establishing 226 of adjacent both ends pilot trench.Carrier 24 includes upper surface 242 and is arranged with in upper surface 242 corresponding end pilot trench 224 positions and forms some grooves parallel to each other 244.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 reference Fig. 1, Fig. 2, Fig. 4 and Fig. 7, gland 3 includes a 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 that gland 3 breaks away from insulating body 2 in rotary course.

Conducting terminal 4 is provided with the first terminal arm 42 and second terminal arm 44 relatively, be provided with head 420 in the first terminal arm 42 1 ends, and the semicircle projection 226 that each head 420 is adjacent is coaxial, the lid 3 of electric connector 1 can rotate around the pivot of being made up of jointly these heads 420 and semicircle projection 226, after 1 assembling of this electric connector finishes, the outer arcuate profile of semicircle projection 226 to the height of printed circuit board (PCB) greater than the outer arcuate profile of terminal head 420 height to printed circuit board (PCB).Be provided with the docking section 440 that joins with flexible PCB in the relative head 420 of second terminal arm, 44 1 ends, between the first terminal arm 42 and second terminal arm 44 is kink 43, kink 43 is provided with the 3rd terminal arm 45 relatively, be provided with the stop section 450 of fixed terminal in the 3rd terminal arm 45 two ends, 450 places, stop section near second terminal arm 44 in the 3rd terminal arm 45 convex with foot 452, and this foot 452 is provided with the weld part 46 that welds mutually with printed circuit board (PCB) relatively.

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.

Please in conjunction with consulting Fig. 1, Fig. 3, Fig. 4 and Fig. 7, when electric connector 1 assembling, elder generation packs conducting terminal 4 correspondences in the insulating body 2, this moment, the first terminal arm 42 of conducting terminal 4 was immobilizated in the terminal groove 224 of insulating body 2, docking section 440 is placed in the groove 244 of insulating body 2 and protrudes from upper surface 242, the stop section 450 of the 3rd terminal arm 45 of terminal 4 all is closely against terminal groove 224 terminus body, and foot 452 fastens in terminal groove 224 terminus body to strengthen fixing.The outer arcuate profile of the head 420 of these the first terminal arm 42 bared end pilot trench 224 is coaxial with the outer arcuate profile of insulating body 2 semicircle projections 226 simultaneously, the outer arcuate profile of semicircle projection 226 to the height of printed circuit board (PCB) greater than the outer arcuate profile of the head 420 of terminal 4 height to printed circuit board (PCB), and gland 3 is rotated to the process of about half stroke from the enable possition, be pivot and not contacting with semicircle projection 226 during gland 3 starts with the head 420 of terminal 4.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, thus relative position between stationary gland 3 and the insulating body 2.

See also Fig. 1, Fig. 5 and Fig. 6, when using, 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 half stroke, in the said process, gland 3 need not be to compress flexible PCB more energetically; Be rotated further gland 3, making its head 420 with terminal 4 is that pivot rotates to make position, the bearing surface 324 of gland 3 also fully is connected to flexible PCB until with its firm pressure holding by beginning, gland 3 needs to push down flexible PCB more energetically in this process, and can giving gland 3, the rigidity of the head 420 of terminal 4 enough supports with execution, and frictional force between head 420 and the gland 3 and elastic force are not the direction that breaks away from insulating body 2 along terminal 4, and by the stop section 450 of the 3rd terminal arm 45 and holding of foot 452 and terminal groove 244 terminus body, terminal 4 can not break away from body under the effect of these power, final flexible PCB is connected to upper surface 242, and the docking section 440 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.Since the outer arcuate profile of semicircle projection 226 to the height of printed circuit board (PCB) greater than the outer arcuate profile of the head 420 of terminal 4 height to printed circuit board (PCB), and rotate to the process of about half stroke from the enable possition at gland 3, be to be pivot and not contacting during gland 3 starts, so terminal 4 can not be subjected to breaking away from along terminal 4 effect of the power of insulating bodies 2 directions in this process with the head 420 of terminal 4 with semicircle projection 226.Gland 3 continues rotation, and gland 3 just can contact with terminal 4, utilizes the terminal 4 of the preferable rigidity of tool and cooperating of insulating body 2 to provide strong support force to flexible PCB.Thereby can prevent that terminal 4 is separated with insulating body 2 in gland 3 rotary courses, guarantee 4 stable electric connections of conducting terminal of flexible PCB and electric connector 1.

Claims

1. an electric connector comprises insulating body, is immobilizated in plurality of terminals and the rotatable gland that is connected on the insulating body in the terminal groove of insulating body, wherein insulating body comprises the longitudinal resettlement section, and this resettlement section includes front surface and somely is opened in terminal groove on this front surface apart from one another by ground; Terminal is immobilizated in the terminal groove of insulating body, and each terminal comprises the first terminal arm and the weld part that is connected with printed circuit board (PCB), and the first terminal arm one end is provided with head; Gland includes a lengthwise flat-platy base portion, it is characterized in that: insulating body is provided with the some projections adjacent to terminal groove, and the base portion of gland is provided with the groove that cooperates with projection and terminal head, and the head of the first terminal arm projection adjacent thereto is coaxial.

2. electric connector as claimed in claim 1 is characterized in that: the outer arc portion of described projection arrives the height of printed circuit board (PCB) greater than the outer arc portion of terminal head to the height of printed circuit board (PCB).

3. electric connector as claimed in claim 2 is characterized in that: described terminal further comprises second terminal arm that is oppositely arranged with the first terminal arm and is connected the first terminal arm and the kink of second terminal arm.

4. electric connector as claimed in claim 3, it is characterized in that: the relative kink of described terminal further is provided with the 3rd terminal arm, be equipped with the stop section in the 3rd terminal arm two ends, weld part is located at stop section one side near printed circuit board (PCB), and the relative weld part of terminal further is provided with the foot of projection.

5. electric connector as claimed in claim 1 is characterized in that: the equal semicircular in shape structure of described projection and head.

6. electric connector as claimed in claim 5 is characterized in that: described insulating body also includes 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: described gland also includes the arm of being located at the base portion two ends respectively.

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

9. electric connector as claimed in claim 8 is characterized in that: described 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.

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