CN201018146Y

CN201018146Y - Electrical connector

Info

Publication number: CN201018146Y
Application number: CNU200720033661XU
Authority: CN
Inventors: 辜国栋; 许长新; 张仁柔
Original assignee: Foxconn Kunshan Computer Connector Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd
Priority date: 2007-01-17
Filing date: 2007-01-17
Publication date: 2008-02-06
Anticipated expiration: 2017-01-17

Abstract

An electric connector used for transferring voice signals through butt jointing with voice plug is provided, which comprises an insulator and terminals contained in the insulator. The insulator is provided with a butt jointing section in convex at one end; the butt jointing section extends inward with splicing holes along lengthwise direction; the terminals comprise a contacting section and a welding section opposite to the contacting section as well as grooves positioned everywhere except the contacting section. By positioning grooves on the terminals, the utility model prevents the solder flowing upward to the contacting section along the welding section due to the capillary phenomenon, thus ensuring the stable electrical connection.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that docks with the voice plug.

[background technology]

The electronic industry develop rapidly, various high-tech products continue to bring out, electronic products such as similar cell phone, PDA are just experiencing the epoch of high speed development, supporting appearance is electric connector miscellaneous with it, in particular for the electric connector of transmission of speech signals, more become the important part of each electronic product.

A kind of electric connector 100 ' as shown in Figure 1, this kind electric connector 100 ' can be welded on the circuit board (not shown), be used for voice plug (not shown) to fetching transmission of speech signals, it comprises insulating body 1 ' and is contained in terminal (indicating) in the insulating body 1 ' that terminal comprises signal terminal 21 ' and two pairs of switch terminals 22 '.The signal terminal 21 ' of insulating body 1 ' and switch terminal 22 ' all have contact site (not indicating) and weld part 211 ', 221 ', and be welded on the circuit board by surface soldered technology (Surface Mounting Technology), but usually when welding, the scolder that has melted can be because capillarity upwards flow to contact site along weld part 211 ', 221 ', thereby cause the voice plug of supporting this electric connector 100 ' can't insert or short circuit, and harm the electric connection between voice plug and the electric connector 100 '.

Given this, be necessary to design a kind of new electric connector to address the above problem in fact.

[utility model content]

The purpose of this utility model is to overcome above-mentioned defective, provides a kind of scolder that prevents by the weld part of the terminal electric connector to vertical spread.

The purpose of this utility model is achieved through the following technical solutions: the utility model electric connector, be used for the voice plug to fetching transmission of speech signals, comprise insulating body and be contained in the interior terminal of insulating body, described insulating body one end convexes with the docking section, this docking section is along the longitudinally spliced eye that extended internally, described terminal comprises contact site and the weld part relative with contact site, and the position of terminal except that contact site is provided with groove.

Compared with prior art, the utlity model has following advantage:, can prevent that scolder from the situation of termination contact portion occurring upwards flowing to along weld part because of capillarity, thereby guarantee the stability of electric connector by on terminal, offering groove.

[description of drawings]

Fig. 1 is a kind of three-dimensional combination figure of existing electric connector.

Fig. 2 is the three-dimensional combination figure of the utility model electric connector and circuit board.

Fig. 3 is the three-dimensional exploded view of the utility model electric connector.

Fig. 4 is the three-dimensional exploded view of another angle of electric connector shown in Figure 3.

Fig. 5 is the stereogram of electric connector first fixed terminal shown in Figure 3.

[embodiment]

Describe the embodiment of the utility model electric connector 100 in detail below in conjunction with accompanying drawing.

Please refer to Fig. 2 to shown in Figure 5, the utility model electric connector 100 is welded on the circuit board (not indicating), be used for connecting with voice plug (not shown), it comprises plurality of terminals (not indicating), retaining piece 3 and the insulating body 4 that is used to hold terminal and retaining piece 3.

Terminal is divided into signal terminal and switch terminal, wherein signal terminal includes first signal terminal 21 and secondary signal terminal 22, and switch terminal include first movable terminal 23, second movable terminal 24 and respectively with first, second

movable terminal

23,24 contacted first fixed terminal 25 and second fixed terminals 26.

First signal terminal 21 comprises first holding section 210, arcuation first arm 211 by first holding section, 210 1 ends bending extension, first contact site 213 that outwards bends first weld part 212 of extension and be located at first arm, 211 ends by first holding section, 210 other ends, wherein 210 both sides, first holding section are provided with the first protruding thorn 2100, and convex with hemisphere salient point 2130 on first contact site 213.

Secondary signal terminal 22 comprises second holding section 220, is bent second arm 221 that extends by second holding section, 220 1 ends, outwards bend second weld part 222 of extension and second contact sites 223 that extend by second holding section, 220 other ends under second arm, 221 ends are oblique, wherein 220 both sides, second holding section are provided with the some second protruding thorn 2200.

First movable terminal 23 includes first holding parts 230 and by outward extending the 3rd weld part 231 of first holding parts, 230 1 ends, wherein first holding parts, 230 other end both sides are provided with the 3rd protruding thorn 2300.This first movable terminal 23 also comprises by first elastic portion 232 of first holding parts, 230 middle parts, one lateral buckling extension, protrudes out arc the 3rd contact site 233 of setting and the interference part 234 of being extended by the 230 middle part opposite sides bendings of first holding parts by these first elastic portion, 232 ends.

The 4th weld part 241 that second movable terminal 24 comprises second holding parts 240, extended by second holding parts, 240 1 ends and be arranged on these second holding parts, 240 bottoms and near the broken part 242 of the 4th weld part 241, wherein both sides, second holding parts, 240 top are provided with the 4th protruding thorn 2400.This second movable terminal 24 also comprises second elastic portion 243 of being extended by second holding parts, 240 middle parts, one lateral buckling and arc the 4th contact site 244 that is protruded out setting by these second elastic portion, 243 ends.

First fixed terminal 25 connects mutually with first movable terminal 23, and it comprises first base portion 250, is provided with the 5th contact site 251 that connects mutually with the 3rd contact site 233 of first movable terminal 23 and the 5th weld part 252 that is outwards bent extension by its other end by this first base portion, 250 1 ends extension.Wherein, the 5th weld part 252 surface thereon offers at least one groove 253, these grooves 253 roughly are rectangle or V-arrangement or other shape, can be used for the scolder that the 5th weld part 252 melted Yin Gaowen in when welding absorbs, above-mentioned groove 253 can be located at the middle position of the 5th weld part 252, also can be located at two ora terminalis positions of the 5th weld part 252, also can be located on first base portion 250, in first fixed terminal 25, every position except that the 5th contact site 251 all can be provided with groove 253.In order to strengthen the absorption of the scolder that 253 pairs of grooves have melted, and guarantee the intensity of first fixed terminal 25, a preferred implementation is to be provided with two grooves 253, a groove 253 is located at the middle position of the 5th weld part 252, and another groove 253 is located at the position of the 5th weld part 252 near first base portion 250, these settings, after the groove 253 of being located at middle position is overflowed by scolder, can prevent that scolder from upwards continuing to spread along the smooth surface of the 5th weld part 252 by second groove 253, with the reliability that guarantees that the utility model electric connector 100 uses.In addition, protrude out on first base portion 250 and be provided with the hemispherical the 5th protruding thorn 2500.

Second fixed terminal 26 comprises second base portion 260, extends shaft-like the 6th contact site 261 that is provided with and the 6th weld part 262 that is outwards bent extension by these second base portion, 260 other ends by these second base portion, 260 1 ends.Wherein the 6th contact site 261 connects mutually with the 4th contact site 244 of second movable terminal 24, and second base portion, 260 tops are provided with the 6th protruding thorn 2600.

Retaining piece 3 is substantially oblong-shaped, and this retaining piece 3 is provided with a breach (not indicating), and this breach is to be used for the voice plug to insert the fixing of the utility model electric connector 100 backs to it, to strengthen the contact engaging and separating force of voice plug.

Insulating body 4 comprises that the main part 40 that roughly is cuboid, autonomous body 40 1 ends protrude out the docking section 41 of setting and run through main part 40 and the spliced eye 42 of docking section 41.Wherein said main part 40 comprises roof 43, diapire 44, the first side wall 45, second sidewall 46 and

rear wall

47, and 41 tops, described docking section are provided with the breach 410 that is communicated with spliced eye 42.

The first side wall 45 and second sidewall, 46 lower edges are equipped with the some recesses (indicating) that are used for cooperating with terminal, and also be respectively equipped with opening 450,460 on the first side wall 45 and second sidewall 46, these openings 450,460 are used to observe the state that connects of insulating body 4 internal terminals.Close rear wall 47 places also are provided with and hold mouth 451 in the first side wall 45 lower edges, and rear wall 47 both sides are respectively equipped with first and second cooperation conduit 471,472.

Roof 43 both sides are respectively equipped with first, second, third, fourth, the 5th, the 6th and minion groove 431,432,433,434,435,436,437, wherein the 3rd, the 5th and minion groove 433,435,437 by being successively set on behind the forward direction near the first side wall 45 1 sides, first, second, the 4th and the 6th fluting 431,432,434,436 is then by being successively set on behind the forward direction near second sidewall, 46 1 sides.

Diapire 44 both sides are respectively equipped with the first, second, third, fourth, the 5th, the 6th and the 7th accepting groove 441,442,443,444,445,446,447 with described fluting 431,432,433,434,435,436,437 corresponding settings.Insulating body 4 is provided with a hemisphere in the 4th accepting groove 444 1 sides and interferes piece (not shown), and diapire 44 middle parts also are provided with reference column 448.

During assembling, with retaining piece 3, first,

secondary signal terminal

21,22 first, second holding section 210,220, first, second

movable terminal

23,24 first, second holding parts 230,240 and first, second

fixed terminal

25,26 first, second base portion 250,260 are contained on the insulating body 4 corresponding first successively, second, the 3rd, the 4th, the 5th, the the 6th and the 7th accepting groove 441,442,443,444,445,446, in 447, and each weld part 212 of these terminals, 222,231,241,252,262 respectively with first, second sidewall 45, corresponding recess matches and holds on 46, and first, second, the 3rd, the 4th, the the 5th and the 6th protruding

thorn

2100,2200,2300,2400,2500,2600 also hold with insulating body 4 respectively mutually, first contact site 213 of first signal terminal 21 wherein, second contact site 223 of secondary signal terminal 22, the 3rd contact site 233 of first movable terminal 23 and the 4th contact site 244 of second movable terminal 24 all stretch in the spliced eye 42, and the interference piece in the interference part 234 of first movable terminal 23 and the 4th accepting groove 444 is interfered fixing, and the broken part 242 of second movable terminal 24 holds fixing with the mouth 451 that holds of the first side wall 45 mutually.And first, second fixed

terminal

25,26 is inserted into respectively in the 6th, the 7th accepting groove 446,447 from first, second mating groove 471,472 of rear wall 47 respectively.At this moment, the 3rd, the 4th contact site 233,244 of first, second

movable terminal

23,24 connects with the 5th, the 6th contact site 251,261 of first, second fixed

terminal

25,26 respectively, thereby forms conducting state.

This electric connector 100 is installed on the circuit board by the reference column 448 of diapire 44, and each weld part 212,222,231,241,252,262 is welded on the corresponding circuit board conductive path.Because first fixed terminal 25 is provided with groove 253, can prevent the situation that scolder occurs spreading because of capillarity, thereby guarantee the stability of electric connector 100.Above-mentioned groove 253 removes and is arranged on first base portion 250 or the 5th weld part 252 of first fixed terminal 25, also can be arranged on the privileged site of other signal terminal and switch terminal.For example at first holding section 210, first arm 211 and first weld part 212 of first signal terminal 21, first holding section 220, second arm 221 and second weld part 222 of secondary signal terminal 22, second holding parts 240, the 4th weld part 241 and second elastic portion 243 of first holding parts 230 of first movable terminal 23, the 3rd weld part 231 and first elastic portion 232, second movable terminal 24, and all can design groove 253 on second base portion 260 of second fixed terminal 26 and the 6th weld part 262 and absorb scolder.

The described groove of the utility model electric connector is not limited to only be located on the terminal, can according to actual needs groove be located on wherein several or whole terminals.

Claims

1. electric connector, be used for the voice plug to fetching transmission of speech signals, comprise insulating body and be contained in the interior terminal of insulating body, described insulating body one end convexes with the docking section, this docking section is along the longitudinally spliced eye that extended internally, described terminal comprises contact site and the weld part relative with contact site, it is characterized in that: the position of terminal except that contact site is provided with groove.

2. electric connector as claimed in claim 1 is characterized in that: described groove is located on the weld part of terminal.

3. electric connector as claimed in claim 1 is characterized in that: described groove is located at the weld part of splicing ear and the position between the contact site.

4. as claim 2 or 3 described electric connectors, it is characterized in that: described groove can be made as V-arrangement or rectangle or other shapes, and extends along the direction of vertical welding direction of flow.

5. electric connector as claimed in claim 4 is characterized in that: described insulating body comprises the first side wall and second sidewall, and at least one sidewall is provided with and is used to observe the opening that the insulating body internal terminal connects state in the first side wall and second sidewall.

6. electric connector as claimed in claim 5 is characterized in that: described terminal comprises signal terminal and at least one pair of switch terminal, and every pair of movable terminal that switch terminal includes fixed terminal and can be conducted with it.

7. electric connector as claimed in claim 6 is characterized in that: described terminal is equipped with protruding thorn.

8. electric connector as claimed in claim 7 is characterized in that: described electric connector also comprises a retaining piece that is used to strengthen voice plug contact engaging and separating force.