CN201252256Y

CN201252256Y - Electric connector

Info

Publication number: CN201252256Y
Application number: CNU2008203006955U
Authority: CN
Inventors: 袁鑫; 刘苏峰; 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: 2008-05-07
Filing date: 2008-05-07
Publication date: 2009-06-03
Anticipated expiration: 2018-05-07

Abstract

The utility model discloses an electric connector, which comprises an insulation main body that is provided with a plurality of accommodating passages, a terminator group that is accommodated inside the accommodating passages of the insulation main body, a metal shielding shell that is connected with the insulation main body, a covering body that covers the shielding shell and the insulation main body and a cable with a metal shielding layer, wherein, the shielding shell is provided with a frame-shaped base part and a pair of holding plates that are arranged at the upper side and the lower side of the shielding shell; the electric connector also comprises a metal shell that wraps the terminator and part of the cable, and the metal shell is provided with an extension plate and a groove; and the extension plate is welded on the corresponding holding plate, and the metal shielding layer of the cable is welded inside the groove. The electric connector is provided with a grounded metal shell, which can effectively prevent the electromagnetic interference and reduce the cost, so that the electric connector has better shielding effect and structure length.

Description

Electric connector

[technical field]

The relevant a kind of electric connector of the utility model refers to a kind of miniature electric connector that is used to connect computer and external connected electronic equipment especially

[background technology]

USB (Universal Serial Bus; USB) interface is as a kind of input/output interface of standard; be widely used in numerous electronic equipments; wherein be applied to notebook usually; personal digital assistant (PersonalDigital Assistant; PDA) and a kind of USB electric connector on the portable equipment of handheld game device and so on be the MiniUSB electric connector; its size is little than the USB electric connector of standard; announce shown in CN2682599Y number as Chinese patent; it has disclosed a kind of Mini USB type electric connector; this electric connector comprises insulating body; be contained in the terminal group in the insulating body; the metal shielding casing that is connected with group with insulating body; be coated on the outer interior insulation shell of shielding casing and insulating body; outer external insulation housing and the cable of insulation shell in being coated on; insulation shell is with insulating body in described; the weld of terminal and cable and terminal parcel are to fix cable; yet have a lot of interference signals in the signals transmission usually it is produced interference; as electromagnetic interference (EMI; Electrical Magnetic Interference) etc.; traditional Mini USB type electric connector can adopt in metal shielding casing rear end and the function of terminal bonding wire place parcel one deck Copper Foil to be grounded usually; but adopt Copper Foil to increase the production cost of electric connector; and the parcel Copper Foil is more consuming time, and the structural strength of electric connector is also not ideal.

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 is to provide a kind of electric connector that improves structure that has, and it is ground connection and reducing production costs effectively, makes it have better shield effectiveness and structural strength.

To achieve these goals, the utility model adopts following technical scheme: a kind of electric connector, it comprises and is provided with some insulating bodies of accommodating passage, be contained in the corresponding terminal group of accommodating in the passage of insulating body, the metal shielding casing that is connected with group with insulating body, be coated on the outer cladding of shielding casing and insulating body and have the cable of metal shielding layer, described shielding casing is provided with the shaped as frame base portion and is positioned at, the a pair of retaining sheet of downside, described electric connector also comprises the metal shell that is enclosed in outside terminal and the part cable, this metal shell has Extendible flake and groove, described Extendible flake is welded on the corresponding retaining sheet, and the described metal shielding layer of cable is welded in the groove.

Compared with prior art, the utility model has following beneficial effect: electric connector has the metal shell of ground connection, and it can effectively prevent electromagnetic interference and reduce cost, and makes it have better shield effectiveness and structural strength.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector.

Fig. 2 is the three-dimensional assembly diagram after electric connector shown in Figure 1 removes cladding.

Fig. 3 is the part assembly drawing of electric connector shown in Figure 1.

Fig. 4 is the three-dimensional exploded view of electric connector shown in Figure 2 when not welding cable.

Fig. 5 is the view at another visual angle of electric connector shown in Figure 4.

Fig. 6 is the stereogram of the insulating body of electric connector shown in Figure 2.

Fig. 7 is the stereogram of connector terminals group shown in Figure 2.

Fig. 8 is the stereogram of the shielding casing of electric connector shown in Figure 2.

Fig. 9 is the stereogram of the insulation bonnet of electric connector shown in Figure 2.

[embodiment]

Please refer to Fig. 1 to shown in Figure 2, shielding casing 30, the insulation bonnet 40 that is assembled to insulating body 10 that the utility model electric connector 100 comprises insulating body 10, be contained in terminal group 20 in the insulating body 10, be connected with group with insulating body 10, be coated on the outer metal shell 50 of insulation bonnet 40 rear portions and terminal group 20 afterbodys 22, with the cable 60 of afterbody 22 welding of terminal group 20 and be coated on the outer cladding 70 of said elements.

Please refer to Fig. 4 to shown in Figure 6, the insulating body 10 of electric connector 100 comprises the tongue 14 that the fore-and-aft direction of main part 12 and autonomous body 12 extends to form forward.The main part 12 of insulating body 10 comprises capping 122, down capping 123, pair of opposing and be positioned at the side 129 of both sides and be positioned at the terminal surface 125 of rear end, wherein also is provided with a plurality ofly to accommodate passage 121 along first of longitudinally setting on main part 12.Be respectively equipped with depression 127 in the centre of last capping 122 and following capping 123, on the two sides 129 of main part 12, be equipped with along the elongated slot 128 of butt joint direction setting and the holding section 124 that is provided with along direction perpendicular to the butt joint direction, the front end face of described elongated slot 128 autonomous bodies 12 extends to rear end face, and holding section 124 is separated into highly different two sections, and the rear end face 1240 of described holding section 124 is 129 extensions that turn forward from the side.The tongue 14 of described insulating body 10 comprise docking section 143 and from the docking section 143 fixed parts 142 that extend upward certain distance, on tongue 14, also be provided with first and accommodate the terminal containing slot 141 that passage 121 communicates.

Please refer to shown in Figure 7, terminal group 20 comprises the terminal of eight parallel arranged, first to the 8th terminal label respectively is 20a to 20h, and each terminal includes the contact site 21 that is used for docking with butt connector, by the extend back holding parts 23 that forms and extended back by holding parts 23 and to form and be flat afterbody 22 of contact site 21.The contact site 21 of this eight butts and holding parts 23 are arranged on the same plane, and the structure of the contact site 21 of eight butt is basic identical, power supply terminal 20a, the 20h that is positioned at both sides compares and has longer contact site 21 with being positioned at the middle signal terminal, and the last identical position of power supply terminal 20a, 20h is provided with first protuberance 212 that projects upwards; Holding parts 23 structures of eight butt are also roughly the same, only upwards have been convexly equipped with second protuberance 232 on the position that power supply terminal 20a, 20h are identical; The tail structure of eight butt also is not quite similar, terminal 20a, the afterbody 22 of 20h is with holding parts 23 is concordant substantially separately, the afterbody of terminal 20b to 20g is respectively with respect to 20a, the afterbody of 20h extends a part backward and up or down, and the afterbody 22 of signal terminal 20b is positioned at the top of the afterbody 22 of power supply terminal 20a, the afterbody 22 of signal terminal 20c is positioned at the below of the afterbody 22 of power supply terminal 20a, the afterbody 22 of signal terminal 20d is positioned at the last rear of the afterbody 22 of power supply terminal 20a,

terminal

20e, 20f, afterbody 22 and the terminal 20d of 20g, 20c, 20b becomes mirror image substantially, so, the afterbody of terminal 20g is positioned at 22 times rears of afterbody of terminal 20h, the afterbody 22 of terminal 20f is positioned at afterbody 22 tops of terminal 20h, and the afterbody 22 of terminal 20e is positioned at the below of terminal 20g, so, terminal tails 22 is positioned at different level heights, stagger each other, the afterbody 22 of

terminal

20d and 20e is longer than other tail portion of terminal 22 length simultaneously, and it is staggered that the afterbody 22 of whole terminal group 20 is height.

Please refer to shown in Figure 8, shielding casing 30 is made and is provided with shaped as frame base portion 31 by metal material, described base portion 31 comprises,

lower wall

32,33 and left,

right wall

34,35, described shielding casing 30 also comprises and being positioned at, the left side that a pair of retaining sheet 36 of downside reaches from base portion 31, right wall 34, the long and narrow guidance part 37 that 35 extend back respectively forms, the upper wall 32 of the autonomous respectively body 31 of described retaining sheet 36 extends backward and downwards backward and upwards and from lower wall 33 and forms, the central authorities of each retaining sheet 36 set to the concave and form shell fragment 361, and this shell fragment 361 only rear end links to each other with retaining sheet 36.

Please refer to Fig. 4, Fig. 5 and shown in Figure 9, insulation bonnet 40 has the resettlement section 45 that basic courses department 41, a pair of arm 43 that extends to form forward from the two sides of basic courses department 41 and extend back from the rear surface 412 of basic courses department 41 and form.Described basic courses department 41 is provided with a plurality of second and accommodates passage 413, the front end of each arm 43 medial surface is equipped with pair of catches 430, this is oppositely arranged the upper and lower side that snap close 430 is close to arm 43 respectively, from the front surface 410 of basic courses department 41 and extend to form boss 432 forward along arm 43 respectively, this boss 432 transversely is arranged between every pair of snap close 430, and leave certain distance with the rear end of snap close 430, in addition, this upper and lower edge to boss 432 aspectant sides is respectively equipped with raised line 4321, and the front end of boss 432 is an inclined-plane 4323 that recedes and extend.Second accommodates passage 413 comprises eight passages, is respectively applied for the corresponding terminal afterbody 22 of accommodating terminal group 20.Resettlement section 45 accommodate piece 451 in the middle of comprising and be positioned in the middle of accommodate first of piece 451 both sides and accommodate piece 452, wherein, the centre is accommodated piece 451 and is had a plane 4510 and a lower plane 4512 on one, accommodating first of piece 451 both sides in the middle of being positioned at, to accommodate piece 452 structures identical, and accommodate piece 451 with respect to the centre and be the mirror image setting.It is concordant with middle last plane 4510 of accommodating piece to be positioned at the upper surface of accommodating piece 452 in first of left side, and it is concordant to be positioned at the lower plane 4512 of the lower surface of accommodating piece 452 in first of right side and centre accommodating piece 451.

See also Fig. 4 to Fig. 5 and shown in Figure 9, on the left of being positioned at first accommodated piece 452 and is provided with the first accepting groove 421a and the second accepting groove 421b, the wherein said first accepting groove 421a links to each other with first left-hand face of accommodating piece 452, the described second accepting groove 421b accommodates piece 452 along first from back to front and offers and run through basic courses department 41, first accommodates piece 452 and centre accommodates piece 451 and constitutes the 3rd accepting groove 421c and the 4th accepting groove 421d, the wherein first accepting groove 421a, the second accepting groove 421b, the 3rd accepting groove 421c, the 4th accepting groove 421d accommodates passage 413 and communicates with corresponding second respectively.Be positioned at first of right side accommodate piece 452 be provided with left side first accepting groove 452 on identical terminal storage tank, and these terminal storage tanks respectively with left side first accepting groove 452 on the first accepting groove 421a, the second accepting groove 421b, the 3rd accepting groove 421c, the 4th accepting groove 421d become the mirror setting.

Please refer to Fig. 4 and shown in Figure 5, metal shell 50 comprises the Extendible flake 53 that substantially rectangular frame 51 and the front end from the upper and lower surface of frame 51 turn forward and extend, wherein the and arranged on left and right sides face of frame 51 is provided with the groove 52 that links to each other with end face thereafter, Extendible flake 53 extends forward and downwards from the front end of frame 51 earlier, and level extends to form leading edge 531 forward again.

Cable 60 comprises some heart yearns (not shown) and is enclosed in the outer metal shielding layer (not shown) of heart yearn.

Please refer to Fig. 2 to shown in Figure 5, during assembling, terminal group 20 is inserted first of insulating body 10 from back to front and is accommodated in the passage 121, wherein the contact site 21 of terminal group 20 is housed in the terminal containing slot 141 of tongue 14 of insulating body 10, and contact site 21 previous sections that are positioned at docking section 143 are exposed on the tongue 14, the latter half of contact site 21 is contained in the fixed part 142 of insulating body 10, and first protuberance, 212 tops of power supply terminal 20a, 20h are resisted against the contact site 21 outer bullets of interior upper wall to prevent terminal group 20 of fixed part 142.The holding parts 23 of terminal group 20 is contained in first of main part 12 and accommodates in the passage 121, and the top of holding parts 23 and second protuberance 232 be connected to first inwall of accommodating passage 121, and the afterbody 22 of terminal group 20 is exposed to outside the terminal surface 125 of insulating body 10.

Then, the guidance part 37 of shielding casing 30 slips in the elongated slot 128 along direction from front to back, two retaining sheets 36 of shielding casing 30 lay respectively at the upper and lower side of main part 12 simultaneously, the shell fragment 361 of retaining sheet 36 is held in respectively in the correspondence depression 127 of insulating body 10, stop insulating body 10 to move backward with respect to shielding casing 30 whereby, so far shielding casing 30 is assembled to outside the insulating body 10.

Insulation bonnet 40 surrounds outside the terminal surface 125 and two sides 129 that is arranged on insulating body 10 from back to front, snap close 430 on two arms 43 slides to 124 fronts, holding section and insulating body 10 can not be moved forward, simultaneously, the raised line 4321 of boss 432 is resisted against 129 outsides, side of the insulating body 10 that is positioned at 124 rear portions, holding section to prevent insulating body 10 two side shiftings to the left and right, the inclined-plane 4323 of boss 432 front ends is connected to the rear end face 1240 of holding section 124 so that insulating body 10 does not move after the meeting, and holding section 124 is folded between corresponding snap close 430 and the boss 432.The afterbody 22 of the terminal 20a ~ 20h of terminal group 20 inserts second accommodating in the passage 413 of insulation bonnet 40 respectively, and the part that is exposed to the rear surface 412 of insulation bonnet 40 continues to extend beyond corresponding terminal storage tank.The card 221 of power supply terminal 20a, 20h is held in respectively in the insulation bonnet 40.The centre is accommodated piece 451 and first and is accommodated piece 452 the terminal of terminal group 20 20a ~ 20h mutually insulated isolation.And afterbody 22 end portion of terminal group 20 are exposed to outside the insulation bonnet 30, and the heart yearn that cable 60 front ends are exposed optionally is welded on afterbody 22 ends of corresponding terminal group 20 according to the needs of applied environment.

Metal shell 50 is assembled to terminal group 20 from back to front and part cable 60 is outer to strengthen the structural strength of this electric connector 100, wherein the frame 51 of metal shell 50 is enclosed in outside the resettlement section 45 of insulation bonnet 40, the insulate transverse width of two arms 43 of bonnet 40 of the transverse width of frame 51 is little, and its front end is resisted against the rear surface 412 of insulation bonnet 40, the latter half of Extendible flake 53 is positioned at outside the basic courses department 41 of corresponding insulation bonnet 40, first half is positioned at outside the retaining sheet 36 of shielding casing 30, and the horizontal leading edge 531 of Extendible flake 53 is welded on the corresponding retaining sheet 36.The metal shielding layer (not shown) of cable 60 is welded in the groove 52 of frame 51 both sides to play the ground connection effect, because metal shell 50 welds mutually with shielding casing 30, can further make shielding casing 30 ground connection to play better shield effectiveness.

After above-mentioned assembling is finished, that cladding 70 is thereon Overmolded.

Claims

[claim 1] a kind of electric connector, it comprises and is provided with some insulating bodies of accommodating passage, be contained in the corresponding terminal group of accommodating in the passage of insulating body, the metal shielding casing that is connected with group with insulating body, be coated on the outer cladding of shielding casing and insulating body and have the cable of metal shielding layer, described shielding casing is provided with the shaped as frame base portion and is positioned at, the a pair of retaining sheet of downside, it is characterized in that: described electric connector also comprises the metal shell that is enclosed in outside terminal and the part cable, this metal shell has Extendible flake and groove, described Extendible flake is welded on the corresponding retaining sheet, and the described metal shielding layer of cable is welded in the groove.
[claim 2] electric connector as claimed in claim 1, it is characterized in that: described metal shell also comprises rectangular substantially frame, the extension that turns forward of the front end of described Extendible flake from the upper and lower surface of frame, described groove are arranged at the and arranged on left and right sides face of frame and link to each other with end face thereafter.
[claim 3] electric connector as claimed in claim 2 is characterized in that: described Extendible flake extends forward and downwards from the front end of frame earlier, and level extends to form leading edge forward again, and the leading edge of described Extendible flake is welded on the shielding casing.
[claim 4] electric connector as claimed in claim 2, it is characterized in that: described electric connector also has the insulation bonnet that is assembled to insulating body, the resettlement section that described insulation bonnet has basic courses department, a pair of arm that extends to form forward from the two sides of basic courses department and extends back and form from the rear surface of basic courses department.
[claim 5] electric connector as claimed in claim 4, it is characterized in that: the front end of described arm medial surface is equipped with pair of catches, this is oppositely arranged the upper and lower side that snap close is close to arm respectively, from the front surface of basic courses department and extended to form boss forward along arm respectively.
[claim 6] electric connector as claimed in claim 5 is characterized in that: described boss transversely is arranged between every pair of snap close, and leaves certain distance with the rear end of snap close.
[claim 7] electric connector as claimed in claim 6 is characterized in that: the upper and lower edge of the aspectant side of described boss is respectively equipped with raised line, and the front end of this boss is an inclined-plane that recedes and extend.
[claim 8] electric connector as claimed in claim 7, it is characterized in that: described insulating body comprises the tongue that main part and autonomous body extend to form forward, the two sides of described main part are provided with the elongated slot that is provided with along the butt joint direction and along the holding section that is provided with perpendicular to the butt joint direction, the extension that turns forward from the side of the body that insulate of the rear end face of described holding section.
[claim 9] electric connector as claimed in claim 8 is characterized in that: described snap close is positioned at the front, holding section, and described raised line is resisted against outside the side of the insulating body that is positioned at the rear portion, holding section, and the inclined-plane of described boss front end is connected to the rear end face of holding section.
[claim 10] electric connector as claimed in claim 8, it is characterized in that: described tongue comprises the docking section and extends upward the fixed part of certain distance from the docking section, described terminal group comprises the terminal of some parallel arranged, each terminal includes and is used for the contact site that docks with butt connector, the contact site of outer terminal has the protuberance that projects upwards, and described protuberance top is resisted against the interior upper wall of fixed part.