CN2395400Y

CN2395400Y - Electric connector

Info

Publication number: CN2395400Y
Application number: CN99239913U
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: 1999-10-14
Filing date: 1999-10-14
Publication date: 2000-09-06
Anticipated expiration: 2009-10-14

Abstract

The utility model relates to an electric connector. The utility model comprises an insulative body, a conductive terminal, a shielding constructional element, a pressing-in component, etc., wherein, the insulative body is convexly provided with an insertion slot provided with a plurality of terminals, bucking and holding parts are arranged on inner walls of guide slots arranged on two opposite ends of the insertion slot, and the shielding constructional element is covered on the outside of the insulative body and is provided with a first surface and a second surface provided with earthing strips; the pressing-in component is provided with a main body part and connecting parts arranged on two opposite ends of the main body part, elastic arms are arranged on the connecting parts, guide parts and clamping and buckling parts are integrally and convexly arranged on the elastic arms, and an inclined slope-shaped ribbed slab body is arranged on one side of each of the clamping and buckling parts; due to the slope-shaped ribbed slab, the rigidity of each of the clamping and buckling parts can be enhanced, and the slope-shaped ribbed slab is favorable for assembling and buckling the clamping and buckling parts with the buckling and holding parts of the guide slots.

Description

Electric connector

The relevant a kind of electric connector of the utility model refers to that especially a kind of (Flexible Printed Circuit is FPC) with the electric connector of other electronic installations in order to electrically connect flexible printed circuit board.

No. 84218005 case of TaiWan, China patent application discloses a kind of electric connector, as shown in Figure 6, it includes insulating body 61, structures such as conducting terminal 62 and drive plate 63, wherein be provided with lengthwise shape slot 611 in the insulating body 61 to accommodate the flexible printed circuit board (not shown) that is inserted in wherein, several conducting terminals 62 are fixedly arranged in the insulating body 61, then be provided with the fitting portion 631 that combines with insulating body 61 on the drive plate 63, J-shaped grab 632 is established in the end of fitting portion 631, after drive plate 63 slides into embedding hole 612, fitting portion 631 is by self elastic force, make J-shaped grab 632 on it be buckled in hole clipping 613 on the insulating body, and then drive plate is fixed in the slot 611, so flexible printed circuit board and conducting terminal 62 electrically connect.Only outwards protrude because of J-shaped grab 632, under the prerequisite of the rigidity that satisfies assembly precision and fitting portion 631, its efficiency of assembling is lower, and through repeatedly plug, J-shaped grab 632 easily is worn or quilt cover is overlying on outer shading member (not shown) scratch of insulating body, even after flexible printed circuit board inserts, cause 632 fractures of J-shaped grab and the forfeiture fixed function, can't realize electrically connecting the purpose of flexible printed circuit board and other electronic installations.

The purpose of this utility model is to provide a kind of electric connector, to simplify assemble flow, prolongs its useful life, and makes it and insulating body fluid-tight engagement.

The purpose of this utility model is achieved through the following technical solutions, it includes insulating body, conducting terminal, shading member and be pressed into structures such as part, wherein the inside one of insulating body is concaved with slot, and two opposite end portions respectively are provided with guide channel in insulating body, and be provided with holding part in the guide channel inwall, the shading member cover is overlying on the insulating body outside, and be pressed into the connecting portion that part has main part and is arranged at main part two opposite end portions, wherein connecting portion includes the elastic arm that is column, this elastic arm can be located in the aforementioned guide channel and can suitably slide along this guide channel, wherein protrude on the elastic arm outer surface and extend the guidance part that is a ramped shaped, and a lateral margin one of self-aiming portion convexes with towards the floor body of the oblique extension of elastic arm outer surface, and clamping part then is located between the floor body and the guidance part back side.After flexible printed circuit board inserts in the slot, again this is pressed into part and is pressed in the described slot, and match with holding part in the guide channel by clamping part, realize the electric connection of printed circuit board (PCB) and conducting terminal.

Compared with prior art, the utility model can improve packaging efficiency, strengthens the rigidity of connecting portion, prolongs the useful life of electric connector, and can make the utility model electric connector closely electrically connect flexible printed circuit board and other electronic installations.

Below in conjunction with the diagram and preferred embodiment the utility model is described in further detail.

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

The three-dimensional combination figure that Fig. 2 is the utility model electric connector when connecting flexible printed circuit board not.

Fig. 3 is the cutaway view along III-III line on Fig. 2.

The three-dimensional combination figure of Fig. 4 the utility model electric connector behind connecting flexible printed circuit board.

Fig. 5 is the cutaway view along V-V line on Fig. 4.

Fig. 6 is the three-dimensional exploded view of the existing electric connector of tool J-shaped grab.

See also Fig. 1, the utility model electric connector comprises insulating body 1, conducting terminal 2, shading member 3 and is pressed into part 4 and forms, wherein insulating body 1 is provided with the interface 11 that docks with complementary connector, and be provided with composition surface 12 at these interface 11 relative opposite sides, be arranged with the lengthwise shape slot 13 of tool certain width from this composition surface 12 one in insulating body 1, this slot 13 runs through on its two lengthwises internal face and is provided with several terminal containing slots 131.The guide channel 14 that is provided with the tool certain width is run through in slot 13 two opposite sides of insulating body 1, and protrusion is provided with holding part 141 on the madial wall of guide channel 14, and be concaved with the groove 15 of tool certain width on the two lengthwise end outer surfaces of this insulating body 1, and the middle part on surface 17 is provided with concave face 16 thereon.

Conducting terminal 2 is made by metal lamellar body one bending forming, and it includes docking section 21, Plug Division 22 reaches in order to the interference part 23 of affixed terminal 2 in insulating body 1, and wherein docking section 21 is in order to dock conducting with the electronic component terminal (not shown) that docks.Plug Division 22 then is made of upper and lower two shell fragments 221 respect to one another and 222, with flexible printed circuit board 5 on respective element electrically connect.

Shading member 3 one are coated on insulating body 1 outside, it includes first surface 31 and second surface 32, wherein first surface 31 has protruded out interference surface 311 along butt joint direction one, interference surface 311 can cooperate with the concave face 16 that is arranged on insulating body 1 upper surface 17, with winding insulating body 1 and shading member 3, and these interference surface 311 upper punches be provided with interference piece 312 that three being aligneds arrange with butt connector fixing mutually.Wherein first surface 31 is connected by brace 36 with second surface 32, and can by brace 36 be pressed into part 4 on relative configurations engage, to simplify assembling (appearance aftermentioned).Shading member 3 dashes with respect to groove 15 positions of two lengthwise end examples of insulating body 1 on its distolateral surface of two lengthwises and is provided with stopping plate 35, and stopping plate 35 offsets with groove 15 on the insulating body 1 and ends.Again, this shading member 3 in second surface 32 on one side on the side direction further the one bending extend and be provided with a ground strip 34 that is the platysome shape, wherein ground strip 34 connects second surfaces 32 by the suitable catch 33 of size.

Being pressed into 4 of parts is made of one piece by insulating material, it includes main part 41 and is located at the connecting portion 45 of 41 liang of opposite end portions of main part, wherein main part 41 is a platysome shape, its catch 33 places with respect to shading member 3 are concaved with and catch 33 rough wide breach 43, to accommodate catch 33.Wherein main part 41 protrudes out the certain thickness bed hedgehopping of the tool portion 42 that is provided with in the downward one of direction of engagement outer ledge.Main part 41 one on the outer side edges of breach 43 protrudes out and is provided with block 44, stops the further propulsion that is pressed into after part 4 inserts insulating body 1 by it.Connecting portion 45 is arranged at the outside, two lengthwise ends of main part 41, it comprises that lateral buckling extends the elastic arm 453 that is provided with outside this end, and the appropriate position is provided with integrated guidance part 452, clamping part 451 and floor body 454 on the elastic arm 453, wherein protrude on the outer surface of guidance part 452 own elasticity arms 453 to extend and be a slope, be provided with the certain thickness floor body 454 of tool and the top edge one of self-aiming portion 452 protrudes out suitable length, 451 of clamping parts are arranged between the floor body 454 and ramped shaped guidance part 451 back sides.Have gap 46 between elastic arm 453 and main part 41, it can keep the favorable elasticity of elastic arm 453, and successively by means of guidance part 452 and floor body 454, is pressed into part 4 with 1 winding of guiding insulating body.After connecting portion 45 slips into guide channel 14 corresponding in the insulating body 1,, make holding part 141 effects in clamping part 451 and the insulating body 1, and then fixing is pressed into part 4 in insulating body 1 by the elastic force of elastic arm 453.

Please in conjunction with consulting Fig. 2, during assembling, will be pressed into part 4 and be fixed in the shading member 3 again, and catch 33 on the shading member 3 is close to be contained in the breach 43 that is pressed on the part 4 along butt joint direction group.Again successively by guidance part 452 that is pressed into part 4 and floor body 454, the front end of elastic arm 453 slips over brace 36 and protrudes from outside the shading member 3, and the ground strip 34 that makes shading member 3 is close on the routine surface of the main part 41 that is pressed into part 4, to organize again the shading member 3 that is pressed into part 4 along the butt joint directions further with insulating body 1 winding, shading member 3 is coated be immobilizated in insulating body 1 outside, and the groove 15 on set stopping plate of shading member 3 both end sides 35 and the insulating body 1 is only offseted.

See also Fig. 3, in the time of in flexible printed circuit board is not inserting the utility model electric connector, be pressed into part 4 and be in the folding position, see also Fig. 4 and Fig. 5 again, when going into the flexible printed circuit board group in the utility model electric connector, earlier flexible printed circuit board 5 is inserted by in formed narrow the meeting of the upper wall surface of ground strip 34 and slot 13 along the butt joint direction.Promote to be pressed into part 4 along the butt joint direction again, its priority is by the guiding of floor body 454 on the elastic arm 453 and guidance part 451, make and be pressed into part 4 and in the second surface 32 of shading

member

3 and 34 formed wedge shape spaces of ground strip, shift in the insulating body 1, after moving a segment distance, be pressed into the outer ledge of the block 44 butt insulating bodies 1 on the part 4, and interlock by the holding part 141 of guide channel 14 in the clamping part 452 that is pressed into part 4 and the insulating body 1 and to hold, the affixed part 4 that is pressed into is in insulating body 1, and by bed hedgehopping portion 42 to strut ground strip 34, ground path set on the flexible printed circuit board 5 51 is closely contacted with ground strip 34, form ground connection and insert the road, set conducting wire 52 then contacts with the set conducting terminal 2 of the utility model electric connector on its another side, forms to electrically connect.

Claims

1. electric connector, comprise insulating body, conducting terminal, insulating body is concaved with a slot on its lengthwise surface, and be inserted in the part that is pressed in the slot of insulator, it is characterized in that: this is pressed into the connecting portion that part is provided with lengthwise tabular main part and is located at its two ends, connecting portion comprises the elastic arm that is the lengthwise column, wherein protrude on the elastic arm outer surface and extend the guidance part that is a ramped shaped, and a lateral margin one of self-aiming portion convexes with towards the floor body of the oblique extension of elastic arm outer surface, clamping part then is located between the floor body and the guidance part back side, and the slot two opposite end portions of insulating body respectively are provided with the guide channel of tool certain width.

2. electric connector as claimed in claim 1 is characterized in that: terminal containing slot is to set in a row at least one lengthwise internal face of this slot, and runs through insulating body along the butt joint direction.

3. electric connector as claimed in claim 1 is characterized in that: main part becomes the edge one to protrude the bed hedgehopping portion that is provided with downwards along the outside of direction of engagement.

4. electric connector as claimed in claim 3 is characterized in that: the madial wall of guide channel is convexly equipped with the holding part of corresponding described clamping part.

5. electric connector as claimed in claim 4 is characterized in that: shading member is coated on the insulating body outside, and it includes first surface and second surface.

6. electric connector as claimed in claim 5, it is characterized in that: shading member is provided with catch and ground strip, this catch upwards bends to extend from second surface and forms, and ground strip is from being formed with a space when sheet bends to extend in the slot and with first surface along the butt joint direction.

7. electric connector as claimed in claim 6 is characterized in that: be pressed into part and be provided with and the rough wide breach of ground strip.

8. electric connector as claimed in claim 7 is characterized in that: shading member is provided with the brace that connects first surface and second surface.

9. electric connector as claimed in claim 8 is characterized in that: dash side by side on the interference surface of shading member and be provided with several interference piece and its two sides upper punch is provided with stopping plate.

10. electric connector as claimed in claim 9 is characterized in that: be concaved with on the upper surface of insulating body on a concave face and its two lateral wall and be concaved with groove.