CN2395405Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector, comprising an insulation body, conductive terminals, a shield member and a clamping device, wherein, the insulation body is arranged in concave inwards with an inserted groove on a vertical side surface, and then the shield member is bent upwards and is extended with a grounding part from one side edge. The extending tail edge of the grounding part is inserted into the inserted groove, the then the clamping device can be slid between the insulation body and the shield member, and one side surface of the clamping device just is butted with the grounding part of the shield member. The grounding part of the shield member can generate the deformation through the movement of the clamping device, and the grounding part and a grounding element of a flexible printed circuit board are contacted mutually to form a grounding loop.

Description

Electric connector

The utility model relates to a kind of electric connector, refers in particular to a kind of electric connector that is used for electrically connecting flexible printed circuit board and other electronic installation.

The design relevant with this case please refer to U.S. Patent application the 5th, 738, No. 545 and TaiWan, China patent application the 83102251st, No. 86203032 cases etc., wherein in these designs, each electric connector has included insulating body, be installed with the conducting terminal on insulating body, be coated on this an external shading member of edge and a stop block around the dead axle rotation, wherein insulating body is concaved with a slot on surface thereof, conducting terminal is then logical to be exposed at wherein, to constitute electric connection with the flexible printed circuit board that inserts wherein, and the rotation by stop block, this flexible printed circuit board is fixed on the ad-hoc location.As Fig. 6, shown in 7, this electric connector 6 includes insulating body 60, the conducting terminal 61 that sets within it, the stop block 63 that is coated on the outer shading member 62 of insulating body 60 and is located on one lateral margin of insulating body 60 upper ends and can rotates around the x axle, when stop block 63 is positioned at as shown in Figure 6 position, this stop block 63 is in loosening state, at this moment, flexible printed circuit board 7 can be inserted in the slot set on the insulating body 60 600 with zero insertion force along the butt joint direction, afterwards, stop block 63 is rotated 90 degree along the x axle, in conjunction with reference to Fig. 7, one side of this stop block 63 will be to ending on flexible printed circuit board 7, so that this flexible printed circuit board 7 is reached electrical the joint with conducting terminal 61.The earthing member 630 that is coated on stop block 63 surfaces contacts with the earth element of shading member 62 and flexible printed circuit board 2 simultaneously, and then forms a grounded circuit.Though the solid mode of this kind group realizes purpose that flexible printed circuit board and electric connector are electrically engaged, yet, owing to work as electric connector in transportation, because of flexible printed circuit board does not insert in the electric connector as yet, at this moment, stop block 63 is in loosening position, thus its very easily because of with insulating body 60 mutually bump cause insulating body 60 to produce metabolies, when serious even cause this stop block 63 from insulating body 60, to come off and the situation that causes this electric connector to be scrapped takes place.In addition, because of these stop block 63 outer surfaces need coat one deck grounded metal sheet, it is not only assembled difficult but also wastes man-hour, and when this grounded metal sheet is in loosening position at stop block 63, this grounded metal sheet can not contact with shading member 62, and it must be after flexible printed circuit board 7 inserts and stop block 63 turned over certain angle, could contact with shading member and forms grounded circuit, therefore, the ground connection effect is also undesirable.

Another purpose of the present utility model is to provide a kind of electric connector, this electric connector structure is simple, easily manufactured, be convenient to realize the automation of manufacturing process, and the shading member on it has rigidity preferably, and combine closely with insulating body and form grounded circuit, can avoid it in the process of transportation, to cause this shading member to deform and have function of shielding preferably.

The technical solution of the utility model is such, this electric connector mainly includes insulating body, conducting terminal, shading member and clamping close device etc., wherein insulating body is concaved with a slot in one lengthwise surface upper edge butt joint direction, this slot is provided with several terminal containing slots on its two lengthwises internal face, to accommodate conducting terminal.Shading member then is coated on the outside of insulating body, it includes first surface and second surface, wherein second surface upwards bends to extend from the one lateral margin and is provided with a grounded part, this grounded part inserts in slot, be inserted into slot in the corresponding earth element of flexible printed circuit board form grounded circuit.Clamping close device is then organized and is located between insulating body and shading member, it includes fixed part and main part, wherein a side surface of main part just can connect with the grounded part of shading member, and can relatively move with respect to insulating body, can make the grounded part of shading member that to a certain degree distortion takes place by its motion, and then this grounded part is contacted with the flexible printed circuit board earth element and constitute grounded circuit.

Compared with prior art, of the present utility model have a following advantage:

1. has shield effectiveness preferably.

2. can avoid in the process of transportation, causing electric connector to be damaged.

3. simple in structure, easily manufactured, be convenient to realize the automation of manufacturing process.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a three-dimensional exploded view of the present utility model.

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

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

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

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

Fig. 6 is the cutaway view of the stop block of existing electric connector when not fixing with insulating body.

Fig. 7 is the stop block of existing electric connector and the cutaway view after the insulating body fixing.

Please be earlier with reference to shown in Figure 1, the utility model mainly includes insulating body 1, conducting terminal 2, shading member 3 and clamping close device 4 etc., wherein insulating body 1 is convex shape, surface thereof is made as interface 11, another surface on the other side is made as composition surface 12, be concaved with the microscler slot 121 of tool certain depth along the grafting direction from this composition surface 12, this slot 121 is provided with several terminal containing slots 122 on one of its two lengthwises internal face, and each terminal containing slot 122 all runs through and extends to interface 11, and is wherein affixed for conducting terminal 2.In addition, on the distolateral internal face of the lengthwise of this slot 121, outwards convex with button and hold piece 123, hold (being detailed later) to interlock with the corresponding structure of clamping close device 4.Again, on the distolateral surface of two lengthwises of this insulating body 1, be concaved with the groove 14 of tool certain width, and 15 middle part, surface is provided with a certain size depressed part 16 thereon, with respectively with shading member 3 on corresponding structure matched (being detailed later).

Conducting terminal 2 is to be formed by sheet metal punching press bending forming, it includes docking section 21, Plug Division 22 and interference part 23, wherein docking section 21 is to have certain flexible sheet metal by three to constitute, its can with the electronic component terminal (not shown) that the docks conducting that connects.Plug Division 22 then is made of upper and lower two shell fragments 221 respect to one another and 222, wherein shell fragment 221 is long than shell fragment 222, and be housed in the terminal containing slot 122, shell fragment 222 is then formed by the bending that extends internally of a side of interference part 23, and abut on the relative opposite side lengthwise internal face of insulating body 1 microscler slot 121, with the conducting (being detailed later) that contacts with flexible printed circuit board (as shown in Figure 5).Interference part 23 is a groove shape, and it extends to be provided with on the groove both sides of the edge interferes piece 231, interferes piece 231 conducting terminal 2 firmly can be fixed on the insulating body 1 by these.

Shading member 3 is coated on insulating body 1 outside, include first surface 31 and second surface 32, wherein first surface 31 has protruded out lug 311 with respect to depressed part 16 positions set on insulating body 1 upper surface 15, and is provided with the button that three being aligneds arrange in these lug 311 upper punches and holds sheet 312.In addition, it then is provided with stopping plate 33 with respect to the distolateral set groove of two lengthwises of insulating body 1 14 positions on the distolateral surface of two lengthwises, by these buttons hold sheet 312 and stopping plate 33 respectively with the depressed part 16 of insulating body 1 on corresponding position and groove 14 interlock and hold and support and end, so that this shading member 3 firmly is connected on the insulating body 1.Again, this shading member 3 upwards bends to extend on second surface 32 and is provided with a grounded part, and this grounded part is used for contacting conducting to form grounded circuit with the corresponding earth element of flexible printed circuit board.Wherein in the present embodiment, this grounded part is for being flat ground strip 34, and this ground strip 34 is connected by two connecting portions 35 with this second surface 32, and clamping close device 4 (being detailed later) just can be accommodated in this ground strip 34 and 32 formed spaces of second surface.

4 of clamping close devices are formed by the insulating material ejection formation, it includes main part 41 and fixed part 42, wherein main part 41 is a tabular, it can make slide relative along the butt joint direction with respect to shading member 3, with the deflection of the ground strip 34 of adjusting aforementioned shading member 3, and then make it to contact to form grounded circuit with the earth element of flexible printed circuit board (not shown).Again, main part 41 is concaved with and this connecting portion 34 rough wide recesses 411 with respect to connecting portion 35 positions of shading member 3, to accommodate connecting portion 35.Fixed part 42 then is column, and it is held piece 123 place's correspondences with respect to set button on the microscler slot 121 distolateral surfaces of insulating body 1 and is provided with buckle piece 421, holds and then this clamping close device 4 is fixed on the insulating body 1 to detain with it.

During assembling, earlier that 2 groups of conducting terminals is solid in the corresponding terminal accepting groove 122 of insulating body 1, make its docking section 21 logical interfaces 11 that are exposed to, connect with terminal with other electron component, and the shell fragment 221 on its Plug Division 22 is housed in the terminal containing slot 122, and shell fragment 222 is abutted on the apparent surface with the lengthwise side surface at terminal containing slot 122 places.Afterwards that clamping close device 4 is solid in shading member 3 along butt joint direction group, and connecting portion 35 on the shading member 3 is housed in the recess 411 on the clamping close device 4, and the ground strip 34 on it is close on the side surface of clamping close device 4 main parts 41.Then, winding there is the shading member 3 of clamping close device 4 coat the outside that is retained on insulating body 1 along the butt joint direction, and make button on it hold the set stopping plate 33 of sheet 312 and both end sides respectively with insulating body 1 on the corresponding position of depressed part 16 and groove 14 interlock and hold and support and end, to finish the preliminary assembling of the utility model electric connector.

Again please in conjunction with shown in reference Fig. 2,3, in the time of in flexible printed circuit board is not inserting the utility model electric connector, at this moment, clamping close device 4 is in the folding position, 32 of ground strip 34 on the shading member 3 and its second surfaces constitute a wedge shape space, and form a slit on 222 on the shell fragment of this ground strip 34 and conducting terminal 2, insert for flexible printed circuit board.

In conjunction with reference to shown in Fig. 4,5, when going into the flexible printed circuit board group in the utility model electric connector, earlier flexible printed circuit board 5 edge butt joint directions are inserted in 222 formed narrow the meeting of shell fragment by ground strip 34 and conducting terminal 2, and a side surface that makes it that earth element 51 is installed is corresponding with ground strip 34, and makes another surface that conduction wafer 52 is installed corresponding with the shell fragment 222 of conducting terminal 2.Afterwards, promote clamping close device 4, make it in by the lower surface 33 of shading member 3 and 34 formed wedge shape spaces of ground strip, to move along the butt joint direction, to strut ground strip 34, and produce to a certain degree distortion, and then with flexible printed circuit board 5 on set earth element 51 firm butts with the formation grounded circuit.Set wafer 52 then contacts with the set conducting terminal 2 of the utility model electric connector on its another side, forming electrical path, and then reaches and covers simultaneously and the purpose of signal transmission.

Claims (5)

1. electric connector, in order to electrically connect flexible printed circuit board and other electronic installation, include insulating body, be fixed in the conducting terminal on the insulating body, be coated on outer shading member of insulating body and group and be located at clamping close device between insulating body and shading member, it is characterized in that: on insulating body one lengthwise surface, be concaved with a slot, and bending is extended with a grounded part on shading member, this grounded part inserts in the slot, clamping close device then can move along the grafting direction with respect to shading member by sliding type, borrow it to move and to make described grounded part produce distortion, and then make it to contact with flexible printed circuit board.

2. electric connector as claimed in claim 1, it is characterized in that: the ground strip that the grounded part on the described shading member extends for bending on the lateral margin of surface thereof, and this ground strip inserts in the slot set on insulating body, and and described surface between form a wedge shape space.

3. electric connector as claimed in claim 2 is characterized in that: the ground strip on the described shading member is by two connecting portions with certain width and fuse with wherein a surface.

4. electric connector as claimed in claim 1, it is characterized in that: described clamping close device includes main part and fixed part, wherein main part can move along the butt joint direction with respect to shading member, and the one side is close on the ground strip of shading member, and fixed part then is used for this main part is fixed in the slot of insulating body.

5. electric connector as claimed in claim 4, wherein be concaved with two recesses with respect to place, connecting portion position one set on the shading member on this clamping close device main part, before this clamping close device moved in the insulating body along the butt joint direction, these two recesses will connect with the connecting portion on the shading member.

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