CN202695851U

CN202695851U - Electric connector

Info

Publication number: CN202695851U
Application number: CN 201220219905
Authority: CN
Inventors: 徐国峻
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: 2012-05-16
Filing date: 2012-05-16
Publication date: 2013-01-23
Anticipated expiration: 2022-05-16

Abstract

The utility model discloses an electric connector. The electric connector comprises an insulating body, a plurality of electric conducting terminals, and a shielding shell body, wherein the plurality of the electric conducting terminals are contained in the insulating body, the shielding shell body is wrapped on the insulating body, and the insulating body comprises a base portion and a tongue board horizontally extending from the base portion. Each electric terminal comprises a contacting portion placed on the tongue board. The shielding shell body comprises a butt joint cavity and a top wall placed on the periphery of the butt joint cavity. The tongue board is placed inside the butt joint cavity. The top wall is provided with at least one buckling support elastic piece. Each buckling support elastic piece comprises a connecting end connected with the top wall and a free end arranged opposite to the connecting end. Each buckling support elastic piece is provided with a buckling portion protruding into the butt joint cavity and an earthing portion placed on an inner side of the buckling portion. The depth of the buckling portion protruding into the butt joint cavity is greatly than the depth of the earthing portion protruding into the butt joint cavity.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of low-profile electric connector that strengthens anti-shield effectiveness.

[background technology]

Consult the TaiWan, China new patent and disclosed a kind of electric connector M394617 number, this electric connector comprises insulating body, be contained in the conducting terminal of insulating body and be coated on the shielding casing of insulating body.The diapire that shielding casing comprises roof, be oppositely arranged with roof and be connected roof and the two side of diapire, described roof, diapire and two side enclose and form a docking chamber.Described roof and diapire are provided with holding shrapnel, and this holding shrapnel comprises a buckle portion; Be provided with one first shell fragment between two holding shrapnels of described roof; Place, the contiguous docking of described two side front end chamber also is provided with a pair of the second shell fragment, is used for the clamping butt connector; After butt connector inserts, described buckle portion is held in the recess of butt connector and does not contact with the metal shell of butt connector, only the first shell fragment and a pair of the second shell fragment contact with the metal shell of butt connector, so that the shield effectiveness of this electric connector is not good.If improve shield effectiveness, the structure that existing connector contacts with butt connector does not have unnecessary space increases other shell fragment.

Therefore, be necessary the aforementioned electric connector is improved to solve aforementioned disadvantages of the prior art in fact.

[utility model content]

Technical problem to be solved in the utility model is to provide a kind of electric connector that strengthens anti-shield effectiveness that has.

For addressing the above problem, the utility model electric connector adopts following technical scheme: a kind of electric connector comprises insulating body, be contained in several conducting terminals of insulating body and be coated on the shielding casing of insulating body.Described insulating body comprises that base portion reaches from the horizontally extending hyoplastron of base portion; Described conducting terminal comprises the contact site that is positioned at described hyoplastron; Described shielding casing comprises that one docks the chamber and is positioned at the roof that docks the periphery, chamber, and described hyoplastron is positioned at this docking chamber, and described roof is provided with at least one holding shrapnel, and this holding shrapnel comprises the link that is connected with roof and the free end that is oppositely arranged with link; Described each holding shrapnel is provided with the buckle portion that protrudes into the docking chamber and the grounding parts that is positioned at the buckle portion inboard, and described buckle portion protrudes into the degree of depth of docking the chamber protrudes into the docking chamber greater than grounding parts the degree of depth.

Further improve as the utility model, described buckle portion is between free end and grounding parts, described buckle portion only is held in the metal shell of butt connector and does not contact with the metal shell of butt connector, and described grounding parts contacts with the metal shell of butt connector.

Further improve as the utility model, described grounding parts is the fin that forms from the punching press of clasp shell fragment, and this fin opposite end connects holding shrapnel, and setting is separated in relative two sides with holding shrapnel, and fin protrudes in the docking chamber and is provided with arc contact surface.

Further improve as the utility model, described grounding parts is the convex closure that forms from the downward punching press of clasp shell fragment, and the periphery of this convex closure all is connected with holding shrapnel.

Further improve as the utility model, described holding shrapnel also comprises a bending part, and this grounding parts is the salient point from the downward projection of clasp shell fragment, and the periphery of this salient point all is connected with holding shrapnel.

Further improve as the utility model, the boss of described grounding parts for being bent to form downwards from the clasp shell fragment, the opposite end of this boss and relative two sides all are connected with holding shrapnel.

Further improve as the utility model, described several conducting terminals comprise the first conducting terminal and the second conducting terminal, described the first conducting terminal has elasticity the first contact site, described the second conducting terminal has tabular the second contact site, and the first contact site and the second contact site are immobilizated in a side of above-mentioned hyoplastron and the second contact site in the front end of the first contact site.

Further improve as the utility model, described the second conducting terminal also includes the second holding parts, and bending outwardly is provided with kink between this second holding parts and above-mentioned the second contact site.

Further improve as the utility model, described base portion both sides are concaved with respectively the clasp groove, and rear end, described shielding casing both sides is respectively equipped with buckling piece, this buckling piece and described clasp groove phase clasp.

Compared with prior art, the utility model electric connector has following beneficial effect: by setting up grounding parts on the holding shrapnel, can increase anti-shield effectiveness when not changing existing structure; And after butt connector inserts, can make this holding shrapnel not only have the clasp effect but also have grounding function, be conducive to the miniaturization of electric connector.

[description of drawings]

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

Fig. 2 is the perspective exploded view of the utility model electric connector;

Fig. 3 is another visual angle perspective exploded view of the utility model electric connector;

Fig. 4 is that the utility model electric connector is along the generalized section of A-A;

Fig. 5 is the three-dimensional assembly diagram of the utility model electric connector the second embodiment;

Fig. 6 is that the utility model electric connector the second embodiment is along the generalized section of B-B;

Fig. 7 is the three-dimensional assembly diagram of the utility model electric connector the 3rd embodiment;

Fig. 8 is that the utility model electric connector the 3rd embodiment is along the generalized section of C-C;

Fig. 9 is the three-dimensional assembly diagram of the utility model electric connector the 4th embodiment;

Figure 10 is that the utility model electric connector the 4th embodiment is along the generalized section of D-D.

[embodiment]

Please refer to Fig. 1 to shown in Figure 3, the utility model electric connector 100 is USB A type socket connector, can be installed on that circuit board (not icon) is upper pegs graft for USB A type banjo connector (not icon), this electric connector 100 comprises insulating body 1, be contained in the conducting terminal 2 of insulating body 1, be coated on the shielding casing 3 of insulating body 1 and be installed on the keeper 4 at insulating body 1 rear portion.

Please refer to Fig. 1 to shown in Figure 4, insulating body 1 comprises that base portion 11 reaches from base portion 11 horizontally extending hyoplastrons 12.Described base portion 11 both sides are concaved with respectively clasp groove 111, and described base portion 11 rear ends are provided with a storage tank 112, and this base portion 11 also is provided with a bottom surface 113, and described bottom surface 113 stretches out and is provided with a protuberance 114.Described hyoplastron 12 is for tabular and comprise upper surface 120 and the lower surface 121 relative with upper surface 120.Five the second rectangular-shaped terminal grooves 124 that described lower surface 121 is concaved with the first end pilot trench 123 of four long and narrow and is positioned at first end pilot trench 123 the place aheads.

Conducting terminal 2 comprises the first terminal 21 and the second terminal 22, the first weld part 213 that the first terminal 21 has the first holding parts 211 that is immobilizated in insulating body 1, elasticity the first contact site 212 that is positioned at the first holding parts 211 1 ends and is positioned at the first holding parts 211 other ends.Described the first contact site 212 extends into first end pilot trench 123 and protrudes out the lower surface 121 of hyoplastron 12, and described the first weld part 213 extends outside the insulating body 1.In the present embodiment, this first terminal is 4 and is arranged side by side.

The second terminal 22 comprises the second holding parts 221, connects the second holding parts 221 1 ends and is positioned at tabular second contact site 222 of the first contact site 212 front sides and the second weld part 223 that extends from the 221 other end bendings of the second holding parts.In the present embodiment, this second terminal is 5 and is arranged side by side and comprises two groups of Difference signal pairs 23 and an earth terminal 24, each Difference signal pair 23 outer terminal is provided with kink 224, this kink 224 bends between the second holding parts 221 and the second contact site 222 and outwardly, so that the outer terminal of each Difference signal pair, reaches the effect that anti-stop signal disturbs away from the inner terminal of this Difference signal pair.The second terminal 22 and insulating body 1 integrated injection molding, after the moulding, the second terminal groove 124, the second holding parts 221 that the second contact site 222 is placed in hyoplastron 12 are embedded in the insulating body 1, and the second weld part 223 runs through base portion 11 and extends outside the insulating body 1.

The diapire 32 that shielding casing 3 comprises roof 31, be oppositely arranged with roof 31 and be connected the two side 33 of roof 31 and diapire 32, described roof 31, diapire 32 and two side 33 enclose and form a docking chamber 34.Described roof 31 is provided with some holding shrapnels 37 with diapire 32, each holding shrapnel 37 comprises that a main part 372 and autonomous body 372 extend and protrude into the buckle portion 371 in docking chamber 34, described buckle portion 371 is held in the recess (not shown) of butt connector and contact with the metal shell of butt connector, docks outside the chamber 34 to prevent that butt connector from detaching.Described main part 372 further is provided with grounding parts, in the present embodiment, this grounding parts is that autonomous body 372 is clapped the fin 373 of broken half die-cut formation, these fin 373 opposite ends connect main part 372, and setting is separated in relative two sides with main part 372, fin 373 protrudes in the docking chamber 34 and is provided with arc contact surface 3731, it is dark than the degree of depth h1 that fin 373 protrudes into docking chamber 34 that described buckle portion 371 protrudes into the depth H in docking chamber 34, the mutual snap close of buckle portion 371 and butt connector and this fin 373 can be contacted with the metal shell of butt connector, be beneficial to this holding shrapnel 37 can snap close again can ground connection.Also be provided with one first shell fragment 311 between two holding shrapnels 37 of described roof 31, the bearing of trend of this first shell fragment 311 is opposite with the bearing of trend of holding shrapnel 37.Described two side 33 is extended with to be installed to the fixing pin 35 on the circuit board downwards in its rear end, this sidewall 33 is provided with the leg 36 that extends towards the circuit board bending, this leg 36 is provided with teat 361, when fixing pin 35 and leg 36 are respectively welded on the circuit board, this teat 361 contacts with the circuit board upper surface, strengthens the stability of welding.Described two side 33 is respectively equipped with a buckling piece 38 in fixing pin 35 tops, this buckling piece 38 is held in the clasp groove 111 of insulating body 1, the opening part in the contiguous docking of these sidewall 33 front ends chamber 34 further is provided with a pair of the second shell fragment 331, is used for the clamping butt connector.Described diapire 32 becomes fluted 321 in side blow swaging thereafter, in order to the protuberance 114 of fixing insulating body 1.

Keeper 4 is assembled in insulating body 1 rear end, and described keeper 4 comprises upper wall surface 43 and the lower wall surface 42 that is oppositely arranged and two exhausting holes that run through this upper wall surface 43 and lower wall surface 42, i.e. the first through hole 421 and the second through hole 422.

In described electric connector 100 assembling process, the second terminal 22 is one-body molded with insulating body 1, and the second contact site 222 is placed in the second terminal groove 124 of hyoplastron 12.Described the first terminal 2 inserts in the insulating body 1 from back to front, and described the first holding parts 211 is immobilizated in the first end pilot trench 123 of insulating body 1, and described the first contact site 212 protrudes out the lower surface 121 of hyoplastron 12.Keeper 4 inserts in the storage tank 112 from bottom to top, and the first weld part 213 of the first terminal 21 is immobilizated in the first through hole 421, and the second weld part 223 of the second terminal 22 is immobilizated in the second through hole 422, so that keeper 4 is fixed on the insulating body 1.Described shielding casing 3 is sheathed on outside the insulating body 1, and buckling piece 38 is held in the clasp groove 111 of insulating body 1, and described hyoplastron 12 and the first contact site 212 that is immobilizated in hyoplastron 12 are positioned at the described chamber 34 of docking with the second contact site 222.After butt connector inserts, described the first shell fragment 311 and the second shell fragment 331 clamping butt connectors, the buckle portion 371 of described holding shrapnel 37 is held in the groove of butt connector, so that this electric connector 100 is more reliable with the clasp of butt connector, simultaneously, the arc contact surface 3731 of fin 373 contacts with the metal shell of butt connector, and the first shell fragment 311, the second shell fragment 331 and fin 373 form with the metal shell of butt connector and contact at this moment, have improved anti-shield effectiveness; The buckle portion 371 of holding shrapnel 37 is held in the recess of butt connector, and fin 373 protrudes into docking chamber 34 with the metal shell of contact butt connector, when not changing existing connector construction, can make holding shrapnel 37 not only have the clasp effect but also have grounding function, and be conducive to the miniaturization of electric connector 100.

Please refer to the drawing 5 is to shown in Figure 6, this is the holding shrapnel 37 of the utility model the second embodiment, this holding shrapnel 37 comprises that a main part 372 and autonomous body 372 extend and protrude into the buckle portion 371 in docking chamber 34, described buckle portion 371 is held in the recess (not shown) of butt connector and does not contact with the metal shell of butt connector, described main part 372 is provided with grounding parts, this grounding parts is the convex closure 374 that autonomous body 372 downward punching presses form, and the top 3741 of this convex closure 374 contacts with the metal shell of butt connector.The periphery of this convex closure 374 all is connected with main part 372 and buckle portion 371 protrudes into the depth H of docking chamber 34 to protrude into the degree of depth h2 that docks chamber 34 than convex closure 374 dark.

Please refer to the drawing 7 is to shown in Figure 8, and this is the holding shrapnel 37 of the utility model the 3rd embodiment, and this holding shrapnel 37 comprises the buckle portion 371 of extending and protrude into docking chamber 34 from a bending part 3721 towards the main part 372 that docks chamber 34 bendings and autonomous body 372.Described buckle portion 371 is held in the recess (not shown) of butt connector and does not contact with the metal shell of butt connector, described main part 372 comprises a grounding parts, this grounding parts is the salient point 375 of autonomous body 372 downward projections, and the metal shell that this salient point 375 contacts with butt connector contacts.The periphery of this salient point 375 all is connected with main part 372 and buckle portion 371 protrudes into the depth H of docking chamber 34 to protrude into the degree of depth h3 that docks chamber 34 than salient point 375 dark, since main part 372 from bending part 3721 towards the docking chamber 34 bendings, more be conducive to realize trend toward miniaturization, the degree of depth h3 that salient point 375 protrudes into docking chamber 34 protrudes into the degree of depth h2 that docks chamber 34 less than convex closure 374.

Please refer to the drawing 9 is to shown in Figure 10, this is the holding shrapnel 37 of the utility model the 4th embodiment, this holding shrapnel 37 comprises that a main part 372 and autonomous body 372 extend and protrude into the buckle portion 371 in docking chamber 34, described buckle portion 371 is held in the recess (not shown) of butt connector and does not contact with the metal shell of butt connector, described main part 372 comprises a grounding parts, this grounding parts is the boss 376 that autonomous body 372 is bent to form downwards, and the metal shell that this boss 376 contacts with butt connector contacts.The opposite end of this boss 376 and relative two sides all are connected in main part 372, boss 376 protrudes in the docking chamber 34 and buckle portion 371 to protrude into the depth H in docking chamber 34 dark than the degree of depth h4 that boss 376 protrudes into docking chamber 34.

Present embodiment is the utility model preferred embodiments, and certainly, the utility model also can adopt other execution mode, gives unnecessary details no longer one by one herein.

Claims

1. electric connector, can cooperate with the butt connector with metal shell, this electric connector comprises an insulating body, be contained in several conducting terminals of insulating body and be coated on the shielding casing of insulating body, and described insulating body comprises base portion and from the horizontally extending hyoplastron of base portion; Described conducting terminal comprises the contact site that is positioned at described hyoplastron; Described shielding casing comprises that one docks the chamber and is positioned at the roof that docks the periphery, chamber, and described hyoplastron is positioned at this docking chamber, and described roof is provided with at least one holding shrapnel, and this holding shrapnel comprises the link that is connected with roof and the free end that is oppositely arranged with link; It is characterized in that: described each holding shrapnel is provided with the buckle portion that protrudes into the docking chamber and the grounding parts that is positioned at the buckle portion inboard, and described buckle portion protrudes into the degree of depth of docking the chamber protrudes into the docking chamber greater than grounding parts the degree of depth.

2. electric connector as claimed in claim 1, it is characterized in that: described buckle portion is between free end and grounding parts, described buckle portion only is held in the metal shell of butt connector and does not contact with the metal shell of butt connector, and described grounding parts contacts with the metal shell of butt connector.

3. electric connector as claimed in claim 1, it is characterized in that: the fin of described grounding parts for forming from the punching press of clasp shell fragment, this fin opposite end connects holding shrapnel, and setting is separated in relative two sides with holding shrapnel, and fin protrudes in the docking chamber and is provided with arc contact surface.

4. electric connector as claimed in claim 1 is characterized in that: the convex closure of described grounding parts for forming from the downward punching press of clasp shell fragment, the periphery of this convex closure all is connected with holding shrapnel.

5. electric connector as claimed in claim 1, it is characterized in that: described holding shrapnel also comprises a bending part, and this grounding parts is the salient point from the downward projection of clasp shell fragment, and the periphery of this salient point all is connected with holding shrapnel.

6. electric connector as claimed in claim 1 is characterized in that: the boss of described grounding parts for being bent to form downwards from the clasp shell fragment, the opposite end of this boss and relative two sides all are connected with holding shrapnel.

7. electric connector as claimed in claim 1, it is characterized in that: described several conducting terminals comprise the first conducting terminal and the second conducting terminal, described the first conducting terminal has elasticity the first contact site, described the second conducting terminal has tabular the second contact site, and the first contact site and the second contact site are immobilizated in a side of above-mentioned hyoplastron and the second contact site in the front end of the first contact site.

8. electric connector as claimed in claim 7, it is characterized in that: described the second conducting terminal also includes the second holding parts, and bending outwardly is provided with kink between this second holding parts and above-mentioned the second contact site.

9. electric connector as claimed in claim 1, it is characterized in that: described base portion both sides are concaved with respectively the clasp groove, and rear end, described shielding casing both sides is respectively equipped with buckling piece, this buckling piece and described clasp groove phase clasp.