CN201113048Y

CN201113048Y - Electric connector

Info

Publication number: CN201113048Y
Application number: CNU200720038733XU
Authority: CN
Inventors: 张汉明; 许长新
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: 2007-06-19
Filing date: 2007-06-19
Publication date: 2008-09-10
Anticipated expiration: 2017-06-19

Abstract

The utility model relates to an electric connector, which is used for butt-jointing with a voice plug to transmit a voice signal. The electric connector comprises an insulating body and a terminal which is accommodated in the insulating body, wherein, a butting part is arranged on one end of the insulating body in a protruding manner; the butting part inwards extends along the lengthways direction to form a spliced eye that comprises an inside wall; the terminal comprises a movable terminal; an elastic part is arranged on the movable terminal; the elastic part is protruded and exposed in the spliced eye; the elastic part includes a touch contact which is contacted with the voice plug, wherein, at least lug boss is arranged on the inside wall; a corresponding most protrusion is arranged on the lug boss relative to the inside wall; the lug boss is positioned between the elastic part of the movable terminal and the butting part; the axial line distance from the most protrusion of the lug boss to the spliced eye is larger than the axial line distance from the touch contact of the elastic part to the spliced eye. The structure is used for avoiding that the plastic deformation is caused by too large press amount of the movable terminal when voice plug is inserted to cause the bad conduction of the electric connector.

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 to Figure 3, this 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 ', described insulating body 1 ' one end convexes with docking section 11 ', this docking section 11 ' is along the longitudinally spliced eye 12 ' that extended internally, described spliced eye 12 ' is provided with madial wall 13 ', described terminal comprises signal terminal 21 ', 22 ' and switch terminal set (indicate), described switch terminal set comprises movable terminal 23 ' and the fixed terminal 25 ' that overlaps with movable terminal 23 ', movable terminal 23 ' is provided with the elastic portion 232 ' that is exposed in the spliced eye 12 ' and 232 ' the one end bending of own elasticity portion is extended and with the contact site 233 ' of fixed terminal 25 ' overlap joint, after the voice plug of supporting this electric connector 100 ' inserted, described elastic portion 232 ' contacted conducting with the voice plug.

So, when the insertion of voice plug overexerts, cause the elastic portion 232 ' volume under pressure of movable terminal 23 ' excessive, when the strain of above-mentioned elastic portion 232 ' surpasses the strain of its permission, the elastic portion 232 ' of movable terminal 23 ' just possibly can't return to initial condition, and then influences it and contact with the electrical of voice plug.

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, and a kind of electric connector promptly is provided, and it can prevent that the voice plug from inserting and cause the movable terminal volume under pressure excessive and produce plastic deformation when overexerting, and then cause the electric connector poor flow.

The purpose of this utility model is achieved through the following technical solutions: a kind of 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, this spliced eye comprises madial wall, described terminal comprises movable terminal, this movable terminal is provided with elastic portion, described elastic portion is exposed in the described spliced eye, described elastic portion comprises the contact point that contacts with the voice plug, wherein, this madial wall is provided with at least one convex, this convex should have protuberance mutually with respect to madial wall, this convex between the elastic portion and docking section of movable terminal, and the protuberance of this convex to the distance of the axis of described spliced eye greater than the contact point of elastic portion distance to the axis of described spliced eye.

Compared with prior art, when the voice plug inserts, because the barrier effect of convex, make the voice plug suitably reduce to the volume under pressure of movable terminal elastic portion, prevent because of the voice plug causes the elastic portion plastic deformation to the volume under pressure of elastic portion is excessive, thereby influence the overlap joint of this movable terminal and fixed terminal.And then improved electric connection between voice plug and the electric connector.

[description of drawings]

Fig. 1 is a kind of three-dimensional exploded view of existing electric connector.

Fig. 2 is the three-dimensional combination figure of existing electric connector.

Fig. 3 is the three-dimensional cutaway view of Fig. 2 electric connector along III-III.

Fig. 4 is the three-dimensional exploded view of the utility model electric connector.

Fig. 5 is the three-dimensional exploded view at another visual angle of the utility model electric connector.

Fig. 6 is the three-dimensional combination figure of the utility model electric connector.

Fig. 7 is the three-dimensional cutaway view of Fig. 6 electric connector along VII-VII.

[embodiment]

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

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

Terminal is divided into signal terminal (not indicating) and switch terminal (not indicating), wherein signal terminal comprises first signal terminal 21 and secondary signal terminal 22, and switch terminal comprise movable terminal 23, first fixed terminal 24 and respectively with movable terminal 23, first fixed terminal, 24 contacted second fixed terminal 25 and the 3rd fixed terminals 26.

First signal terminal 21 comprises first holding section 210, is bent arcuation first arm 211 that extends by first holding section, 210 1 ends, and first contact site 213 of being located at first arm, 211 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.

Second arm 221 that secondary signal terminal 22 comprises second holding section 220, extended by second holding section, 220 1 ends bendings, and second contact site 223 that extends from second arm, 221 1 sides, wherein 220 both sides, second holding section are provided with the some second protruding thorn 2200.

Movable terminal 23 comprises holding parts 230 and the 3rd weld part of being stretched by holding parts 230 1 epitaxial lateral overgrowths 231.This movable terminal 23 also comprises the elastic portion 232 of extending by outward extending interference part 234, holding parts 230 middle parts, by holding parts 230 1 sides, and is arranged at the 3rd contact site 233 of these elastic portion 232 ends.

The 4th weld part 241 that first fixed terminal 24 comprises first base portion 240, extended by first base portion, 240 1 lateral bucklings, and extend shaft-like the 4th contact site 244 that is provided with by first base portion, 240 1 ends.Wherein first base portion, 240 other ends are provided with the 4th protruding thorn 2400.

Second fixed terminal 25 connects mutually with movable terminal 23, the 5th weld part 251 that it comprises second base portion 250 and is bent extension by second base portion, 250 1 side direction outward.

The 3rd fixed terminal 26 comprises the 3rd base portion 260, bends the 6th weld part 261 of extension outward by the 3rd base portion 260 1 side direction, and the 6th contact site 262 that is bent inwards and extended by the 3rd base portion 260 opposite sides.Wherein the 6th contact site 262 connects mutually with the 4th contact site 244 of first fixed terminal 24, and the 3rd base portion 260 two ends 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.

Please be simultaneously with reference to shown in Figure 5, 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 the spliced eye 42 of main part 40 and 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 recess 410 that is communicated with spliced eye 42.The first side wall 45 is provided with opening 450, is provided with in rear wall 47 1 sides to cooperate conduit 471.

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

Diapire 44 both sides are respectively equipped with the first, second, third, fourth, the 5th and the 6th accepting groove 441,442,443,444,445 and 446 with described fluting 431,432,433,434,435 and 436 corresponding settings.Diapire 44 middle parts also are provided with reference column 447.

Please be simultaneously with reference to shown in Figure 7, spliced eye 42 is provided with madial wall 421, and the elastic portion 232 of movable terminal 23 is exposed in the spliced eye 42, and described elastic portion 232 comprises the contact point (not indicating) that contacts with the voice plug.Described madial wall 421 is provided with at least one convex 422, this convex 422 should have protuberance (indicating) mutually with respect to madial wall 421, this convex 422 between the elastic portion 232 and docking section 41 of movable terminal 23, and the protuberance of this convex 422 to the distance of the axis (not shown) of described spliced eye 42 greater than the contact point of elastic portion 232 distance to the axis of described spliced eye 42.

During assembling, with retaining piece 3, first,

secondary signal terminal

21,22 first, second holding section 210,220, the holding parts 230 of movable terminal 23, first base portion 240 and second of first fixed terminal 24, the 3rd

fixed terminal

25,26 second, the 3rd base portion 250,260 are contained on the insulating body 4 corresponding first successively, second, the 3rd, the 4th, the the 5th and the 6th accepting groove 441,442,443,444, in 445 and 446, and first, second, the 4th, and the 6th protruding

thorn

2100,2200,2400 and 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 elastic portion 232 of movable terminal 23, the 4th contact site 244 of first fixed terminal 24, and the 6th contact site 262 of the 3rd fixed terminal 26 all stretches in the spliced eye 42.At this moment, the 4th contact site 244 of first fixed terminal 24 and the 6th contact site 262 of the 3rd fixed terminal 26 connect, and the 3rd contact site 233 and second fixed terminal 25 of movable terminal 23 connect.

This electric connector 100 is installed on the circuit board by the reference column 447 of diapire 44, and each weld part 231,241,251,261 is welded on the corresponding circuit board conductive path.Because spliced eye 42 is provided with madial wall 421, the elastic portion 232 of movable terminal 23 is exposed in the spliced eye 42, and described elastic portion 232 comprises the contact point (not indicating) that contacts with the voice plug.Described madial wall 421 is provided with at least one convex 422, this convex 422 is corresponding to protuberance (indicating) with respect to madial wall 421, this convex 422 between the elastic portion 232 and docking section 41 of movable terminal 23, and the protuberance of this convex 422 to the distance of the axis (not shown) of described spliced eye 42 greater than the contact point of elastic portion 232 distance to the axis of described spliced eye 42.

When the voice plug inserts, convex 422 makes the voice plug suitably reduce the volume under pressure of the elastic portion 232 of movable terminal 23, prevented from the excessive elastic portion 232 that causes of the volume under pressure of elastic portion 232 to be produced plastic deformation because of the voice plug, thereby make these elastic portion 232 terminal the 3rd contact site 233 and second fixed terminals 25 that are provided with well overlap, and then improved the electric connection between voice plug and the electric connector 100.

Technology contents of the present utility model and technical characterstic have disclosed as above; yet those of ordinary skill in the art still may carry out all replacement and modifications that does not deviate from the utility model spirit based on teaching of the present utility model and announcement; therefore; protection range of the present utility model should be not limited to the content that execution mode discloses; and comprise various do not deviate from replacement of the present utility model and modifications, be the present patent application claim and contain.

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, this spliced eye comprises madial wall, described terminal comprises movable terminal, this movable terminal is provided with elastic portion, described elastic portion is exposed in the described spliced eye, described elastic portion comprises the contact point that contacts with the voice plug, it is characterized in that: this madial wall is provided with at least one convex, this convex should have protuberance mutually with respect to madial wall, this convex between the elastic portion and docking section of movable terminal, and the protuberance of this convex to the distance of the axis of described spliced eye greater than the contact point of elastic portion distance to the axis of described spliced eye.

2. electric connector as claimed in claim 1 is characterized in that: described electric connector also comprises a retaining piece that is used to strengthen voice plug contact engaging and separating force.