CN201204290Y

CN201204290Y - Electric connector

Info

Publication number: CN201204290Y
Application number: CNU2008203006847U
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: 2009-03-04
Anticipated expiration: 2018-05-07

Abstract

The utility model discloses a electric connector, comprising a insulation body provided with a plurality of first accommodating slots and second accommodating slot in front and back distribution, a terminal set mounted in the insulation body, and a cable electrically connected with terminals. The terminal set comprises parallelly ordered terminals, each terminal comprising a contact portion accommodated in the first accommodating slot and a tail portion accommodated in the second accommodating slot which is wider than the contact portion. The terminal tail portion is stamped into strip shaped slot, tail portions of the cable and the terminal are welded, and tin is contained in the slot. The electric connector has improved terminal which is capable of preventing tin from flow and is easy to fabricate.

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 CN 1049072C number as Chinese invention 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 and be coated on the shielding casing of insulating body, described terminal tails both sides have a pair of alar part, employing with the alar part of afterbody upwards the mode of turnover cable is accommodated and with its welding, stop the purpose of scolding tin to reach to two side flow, but this manufacture method is comparatively complicated, and turnover is more difficult when terminal thickness is big.

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 terminal structure that has, the simple and convenient welding of its terminal tails project organization.

To achieve these goals, the utility model adopts following technical scheme: a kind of electric connector, it comprises some first accepting grooves of arranging before and after being provided with and the insulating body of second accepting groove, the cable that is installed on the terminal group in the insulating body and electrically connects with terminal, described terminal group comprises the terminal of some parallel arranged, described terminal comprises and is contained in the contact site in described first accepting groove and is contained in second accepting groove and the afterbody wideer than contact site, the downward punching press of described terminal tails forms rectangular groove, and described cable welds mutually with tail portion of terminal and scolding tin is placed in this groove.

Compared with prior art, the utility model has following beneficial effect: electric connector has improved terminal, and it can prevent effectively that scolding tin from flowing, and makes simple and easy.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram 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 view at another visual angle of electric connector shown in Figure 2.

Fig. 4 is the part assembly drawing of electric connector shown in Figure 2.

[embodiment]

Please refer to Fig. 1 to shown in Figure 2, the utility model electric connector 100 comprises insulating body 10, take shape in terminal group 20 in the insulating body 10, the lower house 30 that is connected with group with insulating body 10 and the upper shell 40 that from up to down is assembled to lower house 30 rear portions.

Please refer to Fig. 2 to shown in Figure 4, the insulating body 10 of electric connector 100 comprises that main part 11, autonomous body 11 are along U-shaped docking section 12 that fore-and-aft direction extends to form forward and the carrier 13 that extends back of autonomous body 11.The both sides, main part 11 rear end of insulating body 10 outwards convex with the stop section 112 that links to each other with carrier 13, through hole 114 from up to down runs through main part 11, and these through hole 114 upper part radius size are less and the lower part radius size is bigger, therefore form step surface 1140.First accepting groove 121 extends to described docking section 12 and is arranged in parallel in described docking section 12, contiguous described first accepting groove of described docking section 12 front ends 121 places of insulating body 10 are formed with stop section 126,126 belows, stop section are formed with block space (not label), be positioned at middle first accepting groove, 121 length of first accepting groove 121 at two ends, it is the interface 120 of the more close docking section 12 of its front end, described first accepting groove 121 extends back and runs through main part 11 and link to each other with carrier 13, be provided with opening 123 and slit 125 on the docking section 12 simultaneously, described opening 123 is horizontally set in the docking section 12 and close main part 11, opening 123 is divided into the two parts that are uneven in length with first accepting groove 121, first accepting groove 121 that is positioned at opening 123 front portions is longer, and first accepting groove 121 that is positioned at opening 123 rear portions is shorter, a determining deviation is left respectively with between the corresponding sidewall 124 of docking section 12 in the two ends, the left and right sides of opening 123, described slit 125 upwards caves in 12 bottoms from the docking section, but does not run through docking section 12.Carrier 13 take the shape of the letter U substantially and its sidewall thin than the sidewall 124 of docking section 12, the lower part that this carrier 13 offers some second accepting groove, 131, the second accepting grooves 131 that are inverted "convex" shape is the narrow and middle less through hole 132 that offers than upper part.

Terminal group 20 ejection formations are in insulating body 10; it comprises five terminals that are arranged in parallel in same horizontal plane; each terminal includes and is used for the contact site 21 that docks with butt connector; by the extend back holding parts that forms 22 and extend back by holding parts 22 and to form and be flat afterbody 23 of contact site 21; wherein the structure of five butt is basic identical; the contact site 21 of terminal; holding parts 22 and afterbody 23 are arranged on the same plane; the terminal that is positioned at both sides is compared with the terminal in the middle of being positioned at has longer contact site 21; the bottom front of contact site 21 projection forward forms tongue 210; described contact site 21 is positioned at first accepting groove 121, tongue 210 hold be contained in the described block space and for 126 protections in described stop section in case the outer bullet of not-go-end.In the production process by the clamping devices (not shown) that are provided with in the opening 123 so that terminal group 20 can double swerve, and the bracing or strutting arrangement (not shown) of slit 125 and through hole 132 bottoms is with the 20 downward depressions of restriction terminal group.The holding parts 22 of terminal is contained in the main part 11, described holding parts 22 is from extremely being gradually wide shape with afterbody 23 connections with contact site 21 connections, and be positioned at the right side three butt holding parts 22 with respect to all outward-dipping expansion of contact site 21 and widen and the holding parts end still width is identical, two butt that are positioned at the left side have common holding parts 22 and afterbody 23, described holding parts 22 links to each other with the contact site 21 of leftmost side terminal, cut this excision position that ends at so that this terminal no longer continues to extend of the part that links to each other with the contact site 21 of the left side second butt, this excision position is over against the through hole 114 of insulating body 10, and this through hole 114 is with the excision position excision of terminal certainly.Tail portion of terminal 23 structures are identical, it is contained in respectively in the narrower lower part of corresponding second accepting groove 131, simultaneously, terminal tails 23 downward punching presses form the rectangular groove 231 of rectangle, these groove 231 four sides all have barrier and downward giving prominence to exceed the terminal bottom surface, and are positioned on the through hole 132.

U-shaped extension 32 that lower house 30 comprises convex base 31, extend back from the bottom and the both sides of base portion 31 and the support portion 34 that extends back from the bottom end of extension 32, the upper wall rear end of described base portion 31 upwards is bent to form buckling piece 310, the first side wall 320 of the both sides of base portion 31 and extension 32 is linked to each other it by erose connecting portion 312, offers recess 314 between the upper wall of the top of connecting portion 312 and base portion 31.Be respectively equipped with the different accepting hole of a pair of width 321 on the first side wall 320 of described extension 32, the a pair of accepting hole 321 that is positioned on the same the first side wall 320 is in sustained height, and this to accepting hole 321 respectively with another the first side wall 320 on corresponding accepting hole 321 lateral alignment.

Upper shell 40 comprises U-shaped cover body part 41 and is positioned at the line portion 42 of wrapping up in of its rear end, wherein cover body part 41 front ends have the block button hole 410 of horizontally set, both sides have second sidewall, 412, the second sidewalls, 412 front ends and are provided with flange 413, and the rear portion is provided with the corresponding projection 414 of a pair of and accepting hole 321.

Please refer to Fig. 1 and shown in Figure 4, during assembling, terminal group 20 is molded in insulating body 10, earlier cable (not shown) is positioned in the groove 231 of corresponding afterbody 23 of terminal group 20, be welded in this groove 231 again, scolding tin is placed in the groove 231, afterwards, the insulating body 10 that has cable is assembled in the lower house 30 from back to front, be connected portion 312 until the stop section 112 of insulating body 10 and stop, the docking section 12 of insulating body 10 and main part 11 are positioned at the base portion 31 of lower house 30, and carrier 13 is positioned at extension 32, cable is positioned on the support portion 34, upper shell 40 from up to down is fastened on lower house 30 rear portions, wherein buckling piece 310 penetrates in the block button hole 410 again, and projection 414 is positioned in the accepting hole 321, flange 413 is positioned at recess 314, wraps up in line portion 42 and further support portion 34 and cable is wrapped up.

After above-mentioned assembling is finished, that cladding (not shown) is thereon Overmolded.

Claims

[claim 1] a kind of electric connector, it comprises some first accepting grooves of arranging before and after being provided with and the insulating body of second accepting groove, the cable that is installed on the terminal group in the insulating body and electrically connects with terminal, described terminal group comprises the terminal of some parallel arranged, it is characterized in that: described terminal comprises and is contained in the contact site in described first accepting groove and is contained in second accepting groove and the afterbody wideer than contact site, the downward punching press of described terminal tails forms rectangular groove, and described cable welds mutually with tail portion of terminal and scolding tin is placed in this groove.
[claim 2] electric connector as claimed in claim 1 is characterized in that: described groove four sides all has barrier and the outstanding terminal bottom surface that exceeds downwards.
[claim 3] electric connector as claimed in claim 2 is characterized in that: the centre of second accepting groove of described insulating body offers through hole, and the outstanding downwards part of described groove is positioned on the through hole.
[claim 4] electric connector as claimed in claim 2 is characterized in that: the bottom front of described termination contact portion is formed with the tongue of projection forward, and the thickness of described tongue is thinner than the part that described contact site is used for docking.
[claim 5] electric connector as claimed in claim 4; it is characterized in that: described insulating body has the docking section; described first accepting groove extends to described docking section and is arranged in parallel in described docking section; the contiguous described first accepting groove place of the described docking section front end of insulating body is formed with the stop section; the below, stop section is formed with the block space, and described tongue is contained in the described block space and by described stop section and is protected.
[claim 6] electric connector as claimed in claim 2 is characterized in that: described second accepting groove is down convex shape, and its lower part is narrower than upper part.
[claim 7] electric connector as claimed in claim 6 is characterized in that: described terminal tails is contained in the narrower lower part of corresponding second accepting groove.
[claim 8] electric connector as claimed in claim 1 is characterized in that: described terminal also has the holding parts between contact site and afterbody, and described holding parts is from extremely being gradually wide shape with the afterbody connection with the contact site connection.
[claim 9] is as each described electric connector in the claim 1 to 8, it is characterized in that: described electric connector also has upper shell and lower house, the upper shell both sides have flange and projection, and lower house has respectively recess and the accepting hole with flange and projection corresponding matching.
[claim 10] electric connector as claimed in claim 9 is characterized in that: described upper shell front end has the block button hole of horizontally set, and the correspondence position of lower house is provided with the buckling piece that is contained in this block button hole.