CN2571013Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, particularly a low structured electric connector, which comprises an insulation body, a terminal mould set, and a shielding device shielding the insulation body, wherein, the insulation body comprises a basal part and a butting part forwards extended from the basal part, a containing chamber is arranged at the back part of the basal part corresponding to the butting part, a through hole is arranged on the butting part, and the through hole penetrates through the basal part and is communicated with the containing chamber; the terminal mould set is contained in the containing chamber, wherein, a terminal comprises a connecting part which is integrally formed with an insulation part in an inlaying and burying way, a contact part which is forwards extended from the connecting part and is contained in the through hole, and a U-shaped tail end which is backwards extended from the connecting part; thereby, the height of the insulation body can be reduced, and the electric connector occupies less space of the circuit board.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, refers in particular to a kind of low configuration electric connector with good electrical performance.

[background technology]

Along with the development of electronic industry, the analog interface of display will be replaced by digital interface gradually, but because present digital interface has three kinds of standard (P﹠amp; D, DFP and DVI) and delayed the paces that analog interface is eliminated, that most possibly become ultimate criterion in these three kinds of standards is DVI (Digital VideoInteractive, Digital Video Interactive), this standard is by DDWG (Digital DisplayWorking Group, numeral shows working group) propose, the particular content of this standard sees also 1.0 versions by the issue on April 2nd, 1999 of this group.At present, the employed DVI connector of industry generally includes an insulating body with D shape docking section, extend " L " type terminal in the insulating body, be installed on the insulating body in order to the location-plate that keeps terminal normotopia degree and the shielding casing of coated insulation body, common this electric connector is installed on the surface of circuit board, in order to transmission of digital and analog signal.

Correlation technique can be consulted United States Patent (USP) the 6th, 210, and 218,5,692,912,5,931,687 and 6,287, No. 146 etc.Because the connector terminals that these patents disclosed is " L " configuration, normally from the docking section of the body that insulate horizontal-extending backward, insulating body is extended in bending vertically downward then, concrete structure can be consulted United States Patent (USP) the 6th, 050, shown in No. 863, its insulating body is thicker, takies bigger circuit board space after being installed on the circuit board.

Yet along with small-sized, the light development trend of electronic product, above-mentioned DVI connector can't satisfy the needs of new product.

Therefore, press for a kind of DVI connector that takies less circuit board space of satisfying the demand is provided.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector, its terminal through simple bending reducing the insulating body height, thereby make electric connector take less circuit board space.

For achieving the above object, the utility model adopts following technical scheme: the utility model electric connector is arranged on the circuit board, in order to match with the butt joint electric connector, it comprises insulating body, be contained in the terminal module in the insulating body and cover the masking device of insulating body, wherein, insulating body comprises that base portion reaches the docking section from base portion extends forward, the rear portion of base portion is provided with host cavity corresponding to the docking section, the docking section is provided with through hole, and this through hole runs through base portion and communicates with host cavity, described terminal module is to bury moulding by terminal and insulation division one edge, it is contained in the above-mentioned host cavity, wherein terminal comprises the connecting portion that is embedded in the insulation division, extend forward and be contained in contact site in the above-mentioned through hole from connecting portion, and the U-shaped tail end that extends back from connecting portion, this tail end comprises first kink from the bending of connecting portion approximate vertical, be roughly parallel to second kink of connecting portion extension and be roughly parallel to the 3rd kink that first kink extends from first kink from second kink.

Compared with prior art, the utility model electric connector passes through terminal tail end bending three times, thereby can reduce the insulating body height, makes electric connector take less circuit board space.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 3 is the enlarged diagram of all terminal modules of electric connector shown in Figure 2.

Fig. 4 is with wherein three terminal module assembling all-in-one-piece stereograms shown in Figure 3.

Fig. 5 is the enlarged diagram of the masking device of electric connector shown in Figure 2.

[embodiment]

Please refer to Fig. 1 to shown in Figure 5, the utility model electric connector 1 is oppositely to be installed on the circuit board, and promptly the terminal supportor of this electric connector 1 is installed up, in order to match with the butt connector that is arranged at cable ends (not shown).It comprises insulating body 10, be contained in terminal module 2,5 in the insulating body 10, be located at ground strip 54 between the terminal module 5, location-plate 60, the nut 90 of location terminal welding ends and cover the masking device 7 of insulating body 10.

Please refer to Figure 1 and Figure 2, insulating body 10 comprises the base portion 11 that is the lengthwise configuration, from the docking section 12 that base portion 11 protrudes out forward, and the extension 13 that extends back from base portion 11.Wherein, base portion 11 is provided with host cavity 15,17 corresponding to docking section 12.Be respectively equipped with three accepting grooves 152 on the two side of host cavity 15, be respectively equipped with two depressed parts 151 on the top of host cavity 15, the bottom surface.Host cavity 17 is separated into four rooms, and the two sides of each room are respectively equipped with clasp.The outside of also contiguous extension 13 is provided with two slots 113 on base portion 11.On the lateral direction of slot 113, also be provided with bolt hole 112.Upper and lower both sides in bolt hole 112 are respectively equipped with depressed part 114.In the outside of bolt hole 112, promptly the two ends of base portion 11 are respectively equipped with two steps 110, and each step 110 has a upper surface 111, and this upper surface 111 is positioned at the middle part at base portion 11 two ends.Docking section 12 is to be D shape, which is provided with three exhausting holes 16, and these through holes 16 run through base portion and communicate with host cavity 15.Also be provided with four through holes 19 on the docking section 12 of a side of through hole 16, these four through holes 19 are spaced apart by a cross groove 18, and above-mentioned through hole 19 runs through base portion 11 and communicates with above-mentioned room respectively.It is tabular that extension 13 roughly is, and it comprises hyoplastron that extends back from the bottom of base portion 11 and the wall portion 14 that upwards protrudes out from the hyoplastron both sides.Wherein, the upper surface of hyoplastron corresponds respectively to through hole 16,19 and is provided with accepting groove 148,149.Each wall portion 14 has lateral surface 141, medial surface 142, upper surface 143 and end face 144.Wherein, the upper surface 111 of the upper surface 143 of wall portion 14 and the step 110 of base portion 11 is in the same plane and than the upper surface 116 sinking certain altitudes of base portion 11.Be provided with conduit 145 in medial surface 142, and this conduit 145 extends end face 144, upwards protruded out guide posts 147, be provided with a rectangle hole 146 in end face 144 in the upper wall portions 14 of upper surface 143.

Please refer to Fig. 2 to shown in Figure 4, terminal module 2 is to be held by three terminal modules, 20,30,40 mutual stacked buttons to form.Each terminal module includes insulation division and is embedded in the insulation division and is several conducting terminals that a straight line is arranged, and these terminal module 20,30,40 structures are roughly the same.Be equipped with on the surface of the insulation division 22,32,42 that wherein, cooperatively interacts between the terminal module 20,30,40 and can detain hole and the projection of holding mutually.The two ends of the insulation division 22,32,42 of terminal module 20,30,40 are respectively equipped with the fin 222,322,422 that can match with the accepting groove 152 in the host cavity 15.On terminal module 20,40 and surface that insulating body 10 matches, be provided with a pair of buckle piece, with insulating body 10 on set corresponding depressed part 151 buckle (as shown in Figure 3) mutually. Terminal 21,31,41 structures of terminal module 20,30,40 are roughly the same, its include be contained in the through hole 16 and contact site 212,312,412 that the terminal of butt connector electrically connects, with the tail end (not label) of circuit board electric connection and be connected in connecting portion 211,311,411 between contact site and the tail end.Wherein, contact site 212,312,412 have one respectively omits a upwards bending and a furcation 216 that bends slightly downwards, 316,416, connecting portion 211,311,411 are embedded in insulation division 22 respectively, 32, in 42, terminal 21,31,41 tail end has first kink 213 that bends from the connecting portion approximate vertical respectively downwards, 313,413, be roughly parallel to connecting portion 211 from first kink, 311,411 extend and are contained in second kink 214 in the accepting groove 148,314,414, and the 3rd kink 215 that is roughly parallel to the extension of first kink from second kink, 315,415.First, second, third kink constitutes the U-shaped structure, and the bending angle between the kink can be acute angle, right angle or obtuse angle.

Terminal module 5 is to be combined by four terminal modules 50, each terminal module 50 include insulation division 52,53 and with the terminal 51 (as shown in Figures 2 and 3) of terminal 21,31,41 structural similarities.Wherein, insulation division 52 both sides are provided with projection 58, and insulation division 53 is shaped on second kink 514 of terminal 51, and it is contained in the accepting groove 149.Interlock by projection 58 and clasp in the room and to hold, terminal module 5 is contained in four rooms of host cavity 17 of insulating body 10.

Please refer to shown in Figure 2ly, the ground strip 54 of a metal material vertically is inserted between the terminal module 50, it comprise in the vertical slots that is contained in cross groove 18 contact site 55 and with the similar welding foot 56 of the 3rd kink of terminal 51.

Please refer to Figure 1 and Figure 2, location-plate 60 is provided with the through hole 61 corresponding to the welding foot 56 of terminal the 3rd kink and ground strip 54, and the both sides of location-plate 60 are provided with the fin 62 in the conduit 145 that can be contained in wall portion 14.During assembling, extend in the through hole 61 of the welding foot 56 self-align plates 60 of the 3rd kink of terminal and ground strip 54, the fin 62 of location-plate 60 is pressed in the conduit 145 of wall portion 14 from the top, thereby makes on its extension that is contained in insulating body 10 13.

Nut 90 is contained in the bolt hole 112 of base portion 11, and the inwall of nut 90 is provided with screw thread.

Please refer to Fig. 1, Fig. 2 and shown in Figure 5, masking device 7 comprises housing 70 and two metal sheets 80.Wherein, sheet metal 80 is covered on the lateral surface 141 of wall portion 14, it comprises that the top edge of main part 81, autonomous body 81 extends upward the rear end that is immobilizated in two welding foots 85 on the circuit board, autonomous body 81 in order to welding and bends inwards and be held in hook portion 82, autonomous body 81 front center in the rectangle hole 146 of wall portion 14 and extend forward and interferes holding parts 84 in the slot 113 that is immobilizated in base portion 11, and independently the upper and lower side of the front end of body 81 vertically is bent with symmetrically arranged junction surface 83.Wherein, the top edge of main part 81 roughly flushes with the upper surface 143 of wall portion 14 and than the upper surface 116 sinking certain altitudes of base portion 11, junction surface 83 is contained in the depressed part 114 of base portion 11.

Housing 70 is to be formed by metal plate punching press bending, it includes a board body part 71, this board body part 71 is provided with the D shape frame mouth 77 of the docking section 12 of coated insulation body 10, in frame mouth 77 both sides corresponding to the bolt hole on the insulating body 10 112 be provided with circular hole 74, thereon, the middle part of lower lip extends back respectively and is provided with a shielding plate 76, is bent with the finger 75 of buckleing the junction surface 83 of holding sheet metal 80 respectively backward in the both sides of shielding plate 76, and the finger 72 that coats the step 110 of base portion 11 in the two ends of board body part 71.Wherein, finger 72 coats the sidewall of step 110, and the edge upwards protrudes out the welding foot 73 that welds with circuit board thereon, and the top edge of the top edge of this finger and above-mentioned sheet metal 80 is in the same plane.

During assembling, the upper surface 111 of the step 110 of insulating body 10, the upper surface of wall portion 14 143 lean with the bottom surface of circuit board, the bottom surface of electric connector 1 then has certain altitude apart from the bottom surface of circuit board, thereby has reduced the height that electric connector is installed on circuit board effectively.

Claims (10)

1. electric connector, it is arranged on the circuit board in order to match with the butt joint electric connector, this electric connector comprises insulating body, be contained in the terminal module in the insulating body and cover the masking device of insulating body, wherein, insulating body comprises that base portion reaches the docking section from base portion extends forward, the rear portion of base portion is provided with host cavity, the docking section is provided with some through holes, these through holes are connected through base portion and with host cavity, described terminal module is to bury moulding by terminal and insulation division one edge, it is contained in the above-mentioned host cavity, wherein terminal comprises that edge is embedded in the connecting portion in the insulation division, extend forward and be contained in contact site in the above-mentioned through hole from connecting portion, and from the tail end that connecting portion extends back, it is characterized in that: this tail end is through bending and the structure that takes the shape of the letter U.

2. electric connector as claimed in claim 1 is characterized in that: described U-shaped tail end comprises first kink that is bent to form from the connecting portion approximate vertical, is roughly parallel to second kink that connecting portion extends and is roughly parallel to the 3rd kink that first kink extends from second kink from first kink.

3. electric connector as claimed in claim 1 is characterized in that: the contact site of each terminal comprises two furcations that extend forward.

4. electric connector as claimed in claim 1 is characterized in that: described insulating body also includes the extension that extends back from base portion, and this extension is provided with the accepting groove of accommodating the terminal tail end.

5. electric connector as claimed in claim 4 is characterized in that: be assembled with location-plate on the described extension, location-plate is provided with some through holes, and the 3rd kink of above-mentioned terminal extends in through hole.

6. electric connector as claimed in claim 4 is characterized in that: the two ends of the base portion of described insulating body are respectively equipped with step, and the upper surface of this step and the upper surface of extension are in the same plane and low than the upper surface of base portion.

7. electric connector as claimed in claim 6 is characterized in that: described masking device comprises housing and sheet metal, and its middle shell is provided with the finger and this finger that coat above-mentioned step and has upwards protruded out welding foot.

8. electric connector as claimed in claim 7 is characterized in that: described sheet metal covers two lateral surfaces of extension, and this sheet metal has upwards protruded out welding foot.

9. electric connector terminal, the contact site that it includes connecting portion, extend forward from connecting portion and from the tail end that connecting portion extends back is characterized in that: this tail end is through bending and the structure that takes the shape of the letter U.

10. electric connector terminal as claimed in claim 9 is characterized in that: this tail end comprises from first kink of connecting portion approximate vertical bending, is roughly parallel to second kink of connecting portion extension and is roughly parallel to the 3rd kink that first kink extends from second kink from first kink.

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