CN201336416Y

CN201336416Y - Electric connector

Info

Publication number: CN201336416Y
Application number: CNU2008203033064U
Authority: CN
Inventors: 侯礼春; 赖金德
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: 2008-12-11
Filing date: 2008-12-11
Publication date: 2009-10-28
Anticipated expiration: 2018-12-11

Abstract

The utility model discloses an electric connector, comprising a metal shell, an insulating body and conductive terminals, wherein, the insulating body is contained in the metal shell, and the conductive terminals are contained in the insulating body. A plurality of terminal containing grooves for containing the conductive terminals are arranged on the insulating body; and one side of the conductive terminals is provided with salient points for extruding the conductive terminals to one sides of the salient points of the containing grooves far from the conductive terminals after the conductive terminals are assembled with the insulating body. By arranging the salient points at one side of the conductive terminals, larger air gaps are formed between the conductive terminals and the terminal containing grooves so as to reduce the permittivity of medium between adjacent conductive terminals and improve the resistance value.

Description

Electric connector

[technical field]

The relevant a kind of electric connector of the utility model refers to a kind of effectively electric connector of transmitting high-frequency signal especially.

[background technology]

For satisfying unique needs in consumer electronics market, in April, 2002, Hitachi, Panasonic, Philip, crystalline substance picture (SiliconImage), Sony, Thomson, Toshiba totally 7 companies have set up HDMI (High-definition DigitalMultimedia Interface; High definition numerical digit multimedia interface) association begins to formulate the new numerical digit video/audio transmission criteria that is exclusively used in.The HDMI technology can be transmitted HD video and multi-channel audio by single connector, the generation that mainly faces down consumer electronics market.According to the HDMI transmission standard, the HDMI electric connector comprises insulating body, be assembled in conducting terminal on the insulating body, cover at the thin sheet of metal shell of insulating body periphery and the cable that electrically connects with conducting terminal.

An existing HDMI connector comprises that has an insulating body and the terminal of some intercalations in passage that is positioned at the some passages on the same row, and wherein terminal comprises some signal terminals and some first group of terminals.Terminal in the described HDMI connector is plugged in the insulating body, and this moment, terminal was close to the inwall of plastic cement body, and the gap between plastic cement inner body wall and the terminal is less.Yet when the resistance value that requires terminal was very high, this design was difficult to satisfy the demand of terminal resistance value, and the result makes the electric property of described electric connector be subjected to negative effect.

Therefore, necessary electric connector is improved to solve above-mentioned defective of the prior art.

[utility model content]

Main purpose of the present utility model just provides a kind of electric connector with improvement terminal structure with dielectric constant between the reduction terminals of adjacent.

To achieve these goals, the utility model adopts following scheme: a kind of electric connector, comprise metal shell, be contained in insulating body in the metal shell, be contained in the conducting terminal in the insulating body, described insulating body is provided with some terminal containing slots of accommodating conducting terminal, one side of described conducting terminal is provided with salient point, and described salient point presses to conducting terminal the side away from the described salient point of conducting terminal of terminal containing slot after conducting terminal is assembled in insulating body.

Compared with prior art, the utility model has following beneficial effect: by a side salient point is set, and makes the bigger air gap of formation between terminal and the accepting groove at terminal, thus the dielectric constant of medium between the reduction terminals of adjacent, and then improve resistance value.

[description of drawings]

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

Fig. 2 is the view at another visual angle of electric connector shown in Figure 1.

Fig. 3 is the three-dimensional assembly diagram of electric connector shown in Figure 2.

Fig. 4 is the structure chart of the terminal in the electric connector shown in Figure 3.

Fig. 5 is the cutaway view of electric connector shown in Figure 3 A-A along the line.

[embodiment]

Please refer to Fig. 1 to shown in Figure 5, the utility model electric connector 100 comprises metal shell 1, be contained in the terminal module 4 that insulating body 2, part in the metal shell 1 is contained in the circuit board 3 in the metal shell 1 and is contained in the insulating body 2 and welds mutually with circuit board 3, in the present embodiment, electric connector is a kind of Miniature HDMI connector.

Metal shell 1 comprises roof 10, the diapire 11 relative with roof 10, in abutting connection with the two side 13 of roof 10 and diapire 11 and by the rear end of roof 10 retaining piece 101 that extends of bending upwards.The junction of described roof 10 and retaining piece 101 is a curved portions 1013.Described front end both sides from roof 10 upwards have been recessed to form a pair of protuberance 102, and the both sides of described protuberance 102 are respectively equipped with a slightness hole 1020, are provided with a pair of voussoir 103 that is arranged in roof 10 both sides from the rear end of roof 10.The front end both sides of described retaining piece 101 are provided with a pair of outstanding lug 1011 downwards, and the rear end of described retaining piece 101 is respectively equipped with one first rectangular through-hole 1012 with lug 1011 along docking the direction positions aligning.The rear end of diapire 11 is the outstanding downwards protuberance 110 that forms, and is formed with second rectangular through-hole 1101 from the middle part of protuberance 110, and the front end of described diapire 11 is provided with a pair of the 3rd rectangular through-hole 1102 that is positioned at diapire 11 both sides.The rear end of described sidewall 13 is respectively equipped with a breach 131.

Insulating body 2 comprises the extension 22 of front end docking section 21 and rear end, thereby being hollowed out, docking section 21 middle bodies formed the host cavity 210 that is used to accommodate butt connector (not indicating), extension 22 central authorities are provided with the receiving space 220 that is used for containment circuit board 3 fore-ends, run through forming some terminal containing slots 2200 between receiving space 220 and the host cavity 210, make to be assembled in the host cavity 210 from the terminal module 4 that receiving space 220 is assembled into.The top, rear end of the extension 22 of insulating body 2 is provided with rectangle projection 221, and described rectangle projection 221 is another curved portions 2211 that matches with the arc connecting portion 1013 of described roof 10 and retaining piece 101 with the connecting portion of the upper wall (indicating) of extension 22.Be recessed to form a pair of half-open rectangular channel 2210 downwards from the both sides of rectangle projection 221, described from the extension the outwards outstanding trapezoidal projection 222 that matches with the rear end of protuberance 110 that formed in 22 lower end.Lower wall (not indicating) from insulation body 2 is provided with some slightness holes 23.

Circuit board 3 is beloid panel shape, and fitting portion 31 is the connecting portion 311 of curved shape with the connecting portion of wire connecting portion 32.

Please refer to Fig. 1 to Fig. 2 and in conjunction with shown in Figure 3, terminal module 4 is made up of plurality of conductive terminals 40, described conducting terminal 40 is divided into first group of terminal 41, second group of terminal 42 and the 3rd group of terminal 43, described second group of terminal 42 and the 3rd group of terminal 43 are some signal terminals, a terminal in described first group of terminal 41 respectively with second group of terminal 42, the 3rd group of terminal 43 in a next-door neighbour arrange to form difference signal terminal right.

Described second group of terminal 42, the 3rd group of terminal 43 and first group of terminal 41 comprise docking section 420,430 and 410 respectively, extend back by docking section 420,430 and 410 and to form holding parts 421,431 and 411, be respectively equipped with some hangnails (not indicating) on the described holding parts 421,431 and 411 so that conducting terminal 40 is retained in the insulating body 2 firmly, be respectively equipped with some salient points 423,433 and 413 on the described holding parts 421,431 and 411, described salient point 423,433 and 413 lays respectively at a side of conducting terminal 40 and arranges.And extend back respectively from holding parts 421,431 and 411 and to form afterbody 422,432 and 412, the afterbody 422 of afterbody 432 to the second group terminals 42 of described the 3rd group of terminal 43 is wide, the afterbody 412 of described first group of terminal 41 forms from the terminal lower limb bending extension of holding parts 411, and the afterbody 432 of described the 3rd group of terminal 43 forms from holding parts 431 terminal top edges bending extensions.The docking section 420,430,410 and the holding parts 421,431,411 of described second group of terminal 42, the 3rd group of terminal 43 and first group of terminal 41 are parallel to a row, the afterbody 412 of 422,432 and first groups of terminals 41 of afterbody of described second group of terminal 42, the 3rd group of terminal 43 is positioned at two rows and arranges, and the afterbody 422,432 of described second group of terminal 42, the 3rd group of terminal 43 is positioned at arranges, and the afterbody 412 of first group of terminal 41 is positioned at down arranges.

During assembling, at first the receiving space 220 of the conducting terminal in the terminal module 4 40 from the body 2 that insulate is inserted in the terminal containing slot 2200, make second group of terminal 42, the afterbody 422 of the 3rd group of terminal 43, the afterbody 412 of 432 and first groups of terminals 41 is exposed to outside the rear portion of insulating body 2, then circuit board 3 is plugged into and ranked second group terminal 42, the afterbody 422 of the 3rd group of terminal 43,432 and ranked first down between the afterbody 412 of group terminal 41, simultaneously with second group of terminal 42, the afterbody 422 of the 3rd group of terminal 43, the afterbody 412 of 423 and first groups of terminals 41 is welded on the circuit board 3.At last metal shell 1 is assembled on the insulating body 2, make on the insulating body 2 curved portions 2211 clampings and match with the arc connecting portion 1013 of metal shell 1, make projecting block 1011 be connected in the half-open rectangular channel 2210 simultaneously so that insulating body 2 is fixed in metal shell 1, meanwhile, make the connecting portion 311 of circuit board 3 be connected in the arc notch 131 of metal shell 1.

The main feature of the utility model electric connector is that phase the same side of conducting terminal 40 is provided with some salient points 423,433 and 413, described salient point 423,433 and 413 presses to conducting terminal 40 side of terminal containing slot 2200 after conducting terminal is assembled in the insulating body 2, make and have certain air gap between conducting terminal 40 and the terminal containing slot 2200, thereby the dielectric constant of medium between the reduction terminals of adjacent, and then improve resistance value.

Claims

1. electric connector, comprise metal shell, be contained in insulating body in the metal shell, be contained in the conducting terminal in the insulating body, described insulating body is provided with some terminal containing slots of accommodating conducting terminal, it is characterized in that: a side of described conducting terminal is provided with salient point, and described salient point presses to conducting terminal the side away from the described salient point of conducting terminal of terminal containing slot after conducting terminal is assembled in insulating body.

2. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal comprises the docking section, holding parts that forms and the afterbody that extends back and form from holding parts extend back from the docking section, described docking section and described holding parts are in the same plane, and described salient point is arranged at a side on the plane of described holding parts.

3. electric connector as claimed in claim 2, it is characterized in that: described conducting terminal comprises first group of terminal, second group of terminal and the 3rd group of terminal, a terminal in described first group of terminal respectively with described second group of terminal, the 3rd group of terminal in a next-door neighbour arrange to form difference signal terminal right.

4. electric connector as claimed in claim 3 is characterized in that: described first group of tail portion of terminal forms from the terminal lower limb bending of corresponding holding parts extension, and described the 3rd group of tail portion of terminal bends to extend from the terminal top edge of corresponding holding parts and form.

5. electric connector as claimed in claim 3, it is characterized in that: the docking section and the holding parts of described second group of terminal, the 3rd group of terminal and first group of terminal are positioned at several rows of row, described second group of terminal, the 3rd group of tail portion of terminal and first group of tail portion of terminal are positioned at upper and lower two rows and arrange, described second group of terminal, the 3rd group of tail portion of terminal are positioned at and arrange, and described first group of tail portion of terminal is positioned at down arranges.

6. electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises printed circuit board (PCB), described printed circuit board (PCB) is installed between second group of terminal, the 3rd group of terminal and the first group of tail portion of terminal, and described printed circuit board (PCB) welds mutually with the afterbody of described conducting terminal.

7. electric connector as claimed in claim 1 is characterized in that: described insulating body comprises front end docking section and extension, rear end, and the middle body of described docking section is hollowed out to form with host cavity, and described host cavity is connected with described terminal containing slot.

8. electric connector as claimed in claim 7 is characterized in that: the top, rear end of the extension of described insulating body is provided with rectangle projection, the curved shape of connecting portion of the upper wall of described rectangle projection and extension.

9. electric connector as claimed in claim 1, it is characterized in that: described metal shell comprises roof, the diapire relative with roof, in abutting connection with the two side of roof and diapire and by the rear end of the roof retaining piece that extends of bending upwards, the curved shape in the junction of described roof and retaining piece.

10. electric connector as claimed in claim 9, it is characterized in that: the front end both sides of described retaining piece are provided with a pair of outstanding lug downwards, the both sides of described rectangle projection are recessed to form a pair of half-open rectangular channel downwards, and described lug and half-open rectangular channel cooperatively interact.