CN2377738Y

CN2377738Y - Electric connector

Info

Publication number: CN2377738Y
Application number: CN99226892U
Authority: CN
Inventors: 吴明川; 李大庆
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: 1999-06-08
Filing date: 1999-06-08
Publication date: 2000-05-10
Anticipated expiration: 2009-06-08

Abstract

The utility model relates to an electric connector, comprising an insulation body, a shield member and a clamping device, wherein, the shield member is coated at the outer side of the insulation body, and one end side of the insulation body is accommodated with conductive terminals used for a flexible printed circuit board acting the electrical joint. The other end side of the shield member which is corresponding to the conductive terminals then is accommodated with the clamping device, and both ends of the clamping device are provided with bulges which form an interference fit with the shield member. After the bulges of the clamping device are matched tightly with corresponding structures of the shield member, the shield member and the conductive terminals and the flexible printed circuit board can form together a ground loop by depending on the butting action of the clamping device.

Description

Electric connector

The utility model relates to a kind of electric connector, refers in particular to a kind of flexible printed circuit board (Flexible Printed Circuit that is used to connect; FPC) electric connector, which is provided with clamping close device can fix together with insulating body, thereby makes electric connector be difficult for the distortion that gets loose in transportation.

The electric connector that is used to connect flexible printed circuit board has generally included insulating body, and be covered with shading member at the insulating body outer cover, in insulating body, be provided with in addition run through body accepting groove with ccontaining conducting terminal and flexible printed circuit board, be fixing flexible printed circuit board in accepting groove, usually being provided with one near the flexible printed circuit board splicing position can be around the stop block of dead axle rotation, rotation by this stop block, flexible printed circuit board is only supported in fixedly connected position, these designs can be with reference to United States Patent (USP) the 5th, 738, No. 545 cases, as shown in Figure 1, electric connector 1 includes insulating body 10 and covers the shading member 11 that overlays on outside the insulating body 10, in insulating body 10, offer the accepting groove 100 that connects insulating body 10, and in these accepting grooves 100, be equipped with conducting terminal 12, and the contact sites 120 that conducting terminal 12 is provided with and flexible printed circuit board 2 electrically engages, being provided with at a distolateral upper limb of insulating body 10 in addition can be around the stop block 13 of dead axle X rotation.When the last piece 13 of card is positioned at position shown in Figure 1, stop block 13 is in loosening state, this moment, flexible printed circuit board 2 can insert in the accepting groove 100 of insulating body 10 smoothly, and when stop block 13 rotates 90 degree along rotation axis X after, please refer to Fig. 2, one side 130 of stop block 13 will be to ending on flexible printed circuit board 2, and make flexible printed circuit board 2 do electrically to engage with the contact site 120 of conducting terminal 12, the earthing member 130 that while stop block 13 surfaces are coated can be in contact with one another with shading member 11 and flexible printed circuit board 2, thereby forms a grounded circuit.Yet, though aforesaid way can electrically engage flexible printed circuit board with electric connector, but work as electric connector in transportation, flexible printed circuit board does not insert as yet, this moment, stop block then was in loosening position, easily and insulating body clash into mutually and cause the distortion of insulating body, when serious even cause stop block from insulating body, to come off and cause scrapping of electric connector, and this stop block outer surface need coat one deck earthing member, its assembling is difficult for and wastes man-hour, and when earthing member is in loosening position at stop block, can not be in contact with one another with shading member, this just can make flexible printed circuit board and shading member form grounded circuit after must turning over certain angle in the flexible printed circuit board insertion and with stop block, so the ground connection poor effect.

The purpose of this utility model is to provide a kind of electric connector of engaging with flexible printed circuit board of being used for, this electric connector is provided with clamping close device, described clamping close device can be when flexible printed circuit board be unassembled and insulating body firmly combine, in addition, the clamping close device of this electric connector has one from the extended metal earthing member of shading member in abut outer surfaces, it can make the common grounded circuit that forms of conducting terminal of shading member and flexible printed circuit board and electric connector when flexible printed circuit board inserts.

The utility model includes insulating body, shading member and clamping close device, wherein the shading member cover overlays on the outer surface of insulating body, be plugged on wherein for clamping close device from distolateral cuboid groove shape space that is provided with of shading member, insulating body then offers several accepting grooves that runs through insulating body, this accepting groove is interfered the conducting terminal that contains respective numbers with respect to the other direction of grafting clamping close device, electrically engage for flexible printed circuit board, in addition, insulating body extends platform in an one flat sides, the upper surface of this platform can recline for conducting terminal, thus auxiliary accepting groove fixing conducting terminal.Conducting terminal is provided with Plug Division, interference part and docking section, and wherein the docking section is made of upper and lower two relative shell fragments, and the middle part of longer shell fragment is provided with at least one kink.Shading member is the metal shell of a both ends open, it is provided with upper surface corresponding with the insulating body outer surface and lower surface, and have and insulating body platform corresponding opening from the distolateral of shading member grafting flexible printed circuit board, extend certain distance from this opening part to lower surface and be provided with the layer of metal plate, the appropriate position offers two openings to form the holding piece to the upper surface turnover on this metal plate in addition, it can insert the back to ending on it at clamping close device, is provided with card article in shading member lower surface both sides to the upper surface extension again.Clamping close device is lath-shaped, its at two lengthwises to the distolateral fixed part that is provided with, a side is provided with the projection that twice can cooperate with the interference of shading member upper surface on fixed part, and is provided with depressed part in the another side, is formed with supporting that holding piece with shading member cooperatively interacts near the depressed part and ends bar.

After the electric connector combination, because clamping close device supports the effect that compresses that ends bar, the flat board of shading member has certain deflection to lower surface, the longer shell fragment of conducting terminal then is close on the platform upper surface of insulating body, and the kink on it can form a narrow slit with the shading member flat board, the proper tolerable flexible printed circuit board of this narrow slit inserts, and relying on the flat board that is arranged in the shading member to do electrically to engage with conducting terminal and flexible printed circuit board, the card article of shading member then supports and ends on the projection of clamping close device.

Prior art relatively, the utility model can be avoided clamping close device and insulating body to take place to clash in transportation and cause the damage of electric connector, and the clamping close device of this electric connector is simple in structure, and be easily manufactured, and the assembling of itself and electric connector is comparatively convenient.

Fig. 1 is the cutaway view of the stop block of existing electric connector when not fixing with insulating body.

Fig. 2 is the stop block of existing electric connector and the cutaway view after the insulating body fixing.

Fig. 3 is a three-dimensional combination figure of the present utility model.

Fig. 4 is a three-dimensional exploded view of the present utility model.

Fig. 5 is another three-dimensional exploded view of the present utility model.

Fig. 6 is the cutaway view before the utility model connecting flexible printed circuit board.

Fig. 7 is the cutaway view behind the utility model connecting flexible printed circuit board.

Fig. 8 is the generalized section of clamping close device of the present utility model and shading member interference engagement.

Please refer to Fig. 3, the utility model electric connector 3 comprises insulating body 30, shading member 31 and clamping close device 32, wherein shading member 31 local covers overlay on the outer surface of insulating body 30, and peg graft for clamping close device 32 from the shading member 31 1 distolateral cuboid groove shape spaces that are provided with, insulating body 30 another distolateral several conducting terminals 301 (Fig. 4 shows) that contain of relative grafting clamping close device 32, these conducting terminals 301 interference are contained in the accepting groove 300 that runs through insulating body 30, electrically engage for flexible printed circuit board 4 (with reference to Fig. 7).

Continuous Fig. 4 and Fig. 5 of seeing also, insulating body 30 slightly is flat doorframe shape, one end of its grafting conducting terminal 301 is wideer than the other end of connecting flexible printed circuit board 4 (contrast Fig. 7), and be provided with two recesses 302 in two ends area of section variation place, in addition, insulating body 30 extends a platform 303 in an one flat sides, and the upper surface 304 of this platform 303 can recline for conducting terminal 303, thus auxiliary accepting groove 300 fixing conducting terminals 303.Conducting terminal 303 slightly is square column type, which is provided with Plug Division 305, interference part 306 and docking section 307, wherein Plug Division 305 is made of three rubber-like sheet metals 3050 at least, it can be used for the electronic component terminal (not shown) of clamping butt joint, and interference part 306 surrounds a groove shape, it extends in the groove both sides of the edge to be provided with interferes piece 3060, rely on the accepting groove 300 mutual interference engagement of this interference piece 3060 and insulating body 30, fixing conducting terminal 301 in insulating body 30, docking section 307 is by last, following two shell fragments that

face

308 and 309 constitute, wherein shell fragment 308 is provided with at least one kink 3080 than length and at the middle part, 309 on shell fragment is shorter, and be plane and make straight-line extension, in addition, described longer shell fragment 308 surface locals abut on the upper surface 304 of insulating body 30 platforms 303.

See also Fig. 4 and Fig. 5 again, shading member 31 is the metal shell of a both ends open, it is provided with upper surface 310 and lower surface 311 corresponding to insulating body 30 outer surfaces, and this is upper and lower surperficial 310 and 311 more smaller than the outer surface of insulating body 30, so shading member 31 coated insulation body 30 fully.Have and insulating body 30 platforms 303 corresponding opening from the distolateral of shading member 31 grafting flexible printed circuit boards 4 (with reference to Fig. 7), and extend certain distance and be provided with layer of metal flat board 312 to the upper surface bending from lower surface 311 at this opening part, the appropriate position offers opening 313 to form the holding piece 314 to upper surface 310 turnovers on this metal plate 312, and it can insert the back to ending on it at clamping close device 32.In addition, upper surface 310 both sides of shading member 31 are provided with card article 315 to lower surface 311 extensions, and it can buckle clamping close device 32.In addition, shading member 31 lower surfaces 311 dual-sides are provided with two side walls 316 to upper surface 310 turnovers, and it can limit being displaced sideways of clamping close device 32, and assists fixing clamping close device 32 in shading member 31.

Clamping close device 32 is lath-shaped, its at two lengthwises to the distolateral fixed part 320 that is provided with, and a side is provided with twice projection 321 on fixed part 320, this projection 321 can cooperate with 310 interferences of shading member 31 upper surfaces, and be provided with in the another side one with the corresponding depressed part 322 (Fig. 5 shows) of insulating body 30 recesses 302, it is used to take out clamping close device 32, thereby made things convenient for the dismounting of flexible printed circuit board, then formed supporting that holding piece 314 with shading member 31 cooperatively interacts near the depressed part 322 and end bar 323.

See also Fig. 6 again, and please cooperate with reference to Fig. 8, electric connector 3 is after clamping close device 32 is pegged graft, shading member 31 is coated on the outer surface of insulating body 30, conducting terminal 301 is contained in the accepting groove 300, clamping close device 32 then is interposed between the upper surface 310 and its metal plate 312 of shading

member

31, and 321 be against on the upper surface 310 of shading member 31 by projection, this moment is because clamping close device 32 supports the effect that compresses that ends bar 323, the flat board 312 of shading member 31 has certain deflection to lower surface 311, a shell fragment 308 of conducting terminal 301 then is close on the platform upper surface 304 of insulating body 30, and the kink on it 3080 can form a narrow slit with shading member 31 dull and stereotyped 312, just can hold flexible printed circuit board 4 therebetween and insert.

See also Fig. 7 again, after flexible printed circuit board 4 inserts electric connector 3, rely on the flat board 312 and conducting terminal 301 and the common grounded circuit that forms of flexible printed circuit board that are arranged in the shading member 31.315 of the card articles of shading member 31 support and end on the projection 321 of clamping close device 32, and play the effect that limits its lateral displacement by 316 pairs of clamping close devices 32 of side wall surface of shading member 31.

After the utility model such as Fig. 3 combination, in transportation,, jeopardize insulating body 30, insulating body 30 is deformed and cause the forfeiture of electric connector 3 functions so can effectively prevent clamping close device 32 from becoming flexible because clamping close device 32 is retained in the electric connector 3.In addition, the utility model is simple in structure as can be known by foregoing description, and its assembling also only need push clamping close device and can reach, so have the convenience in the production, simultaneously, flexible printed circuit board is once insertion, just can form effective grounded circuit, compared to existing technology, have the enhancement on the effect.

Claims

1. electric connector, be used to electrically connect flexible printed circuit board, it comprises: insulating body, shading member and clamping close device, wherein insulating body offers several accepting grooves that run through insulating body, distolateral conducting terminal that contains respective numbers in this accepting groove electrically engages for flexible printed circuit board, the shading member cover overlays on the outer surface of insulating body, it is the metal shell of a both ends open, which is provided with corresponding upper surface and lower surface at the insulating body outer surface, it is characterized in that: shading member is from the distolateral opening that is provided with of its lower surface grafting flexible printed circuit board, be bent with a metal plate and extend certain distance to upper surface from this opening part, clamping close device be housed in that the relative conducting terminal of shading member pegs graft another is distolateral, its at two lengthwises to the distolateral fixed part that is provided with, and be provided with in a side of fixed part can with the projection of shading member upper surface interference engagement.

2. electric connector according to claim 1 is characterized in that: described clamping close device is provided with depressed part at the relative reverse side of the side that is provided with projection, and is provided with near the depressed part to ending bar.

3. electric connector according to claim 2 is characterized in that: described insulating body is extended with platform in its side near clamping close device, and the upper surface of this platform can recline for conducting terminal, thus auxiliary accepting groove fixing conducting terminal.

4. electric connector according to claim 3 is characterized in that: described conducting terminal is provided with Plug Division, interference part and docking section, and wherein the docking section is by last, and following two relative shell fragments constitute, and wherein a shell fragment is provided with at least one kink than length and at the middle part.

5. electric connector according to claim 4 is characterized in that: the appropriate position offers at least one opening to be formed with the holding piece to the upper surface turnover on the described metal plate, and it can support to end supporting of clamping close device and end on the bar.

6. electric connector according to claim 5, it is characterized in that: support the ending bar and when assembling, can be pressed on the shading member metal plate of described clamping close device, make it produce the deflection of one day to lower surface, and and then form a narrow slit with the kink of conducting terminal, just the tolerable flexible printed circuit board inserts, and can form a grounded circuit jointly by shading member, conducting terminal and flexible printed circuit board.

7. electric connector according to claim 6 is characterized in that: the lower surface both sides of described shading member are provided with the card article that can match with the projection of clamping close device to the upper surface extension.

8. electric connector according to claim 7 is characterized in that: the card article of described shading member can support and end on the projection of clamping close device, relies on it can prevent effectively that clamping close device is loosening.