CN201029146Y

CN201029146Y - Electrical connector

Info

Publication number: CN201029146Y
Application number: CNU200720035228XU
Authority: CN
Inventors: 龙思铭
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: 2007-03-05
Filing date: 2007-03-05
Publication date: 2008-02-27
Anticipated expiration: 2017-03-05

Abstract

The utility model discloses an electric connector, which comprises a metal casing, an insulation body contained in the metal casing, a terminal group contained in the insulation body, a fastener component and a blocking component. Wherein, the metal casing is provided with a butt-joint part mutually inserted with a butt-joint connector; and the butt-joint part and the outer surface of the butt-joint connector are provided with a convex hull so as to interference cooperate with the butt-joint connector through the convex hull and make the combination firm between the two connectors mutually inserted.

Description

Electric connector

[technical field]

The utility model discloses a kind of electric connector, refer to a kind of electric connector especially with metal shell.

[background technology]

General electric connector all uses in the mode that patches with butt connector, the connector that in use patches mutually is normal to be extracted interconnective connector owing to be subjected to slight unintentionally withdrawal force, cause the inefficacy to connection function, What is more, and serious situations such as system failure take place.

In view of above drawback, be necessary to provide a kind of improved electric connector in fact, to overcome the defective of above-mentioned electric connector.

[utility model content]

Technical problem to be solved in the utility model provides a kind of electric connector of stable grafting.

For solving the problems of the technologies described above, the utility model provides a kind of electric connector, and comprise metal shell, be contained in the interior insulating body of metal shell, be contained in terminal group, snap close piece in the insulating body, and block piece.Wherein, above-mentioned metal shell is provided with the docking section that combines with butt connector, and the outer surface that docking section and butt connector plug is provided with convex closure, and convex closure and butt connector pass through interference engagement.

Compared with prior art, the utlity model has following beneficial effect: this electric connector by the convex closure interference engagement, thereby provides the grafting coupling mechanism force in the course of work of pegging graft with butt connector, make the connector of pegging graft mutually be connected firmly.

[description of drawings]

Fig. 1 is the utility model electric connector constitutional diagram.

Fig. 2 is the utility model electric connector exploded view.

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

Fig. 4 is the exploded view of the utility model metallic shell of electric connector body.

[embodiment]

The utility model electric connector 1 comprises metal shell 2, be contained in insulating body 3 in the metal shell 2, be contained in terminal group 4, snap close piece 5 in the insulating body 3, and block piece 6.

Metal shell 2 comprises upper shell 21 and lower house 22.Upper shell 21 comprises upper cover plate 210, and from catch 211 and U-shaped sheet 212 that upper cover plate 210 is extended respectively by forward and backward both sides respectively, all is extended with the first side wall 213 downwards along upper cover plate 210 edges in both sides in addition at upper cover plate 210.Be provided with a pair of first bending 2101 and one first fluting 2102 on upper cover plate 210 surfaces of upper shell 21.Upper shell 21 the first side walls 213 are provided with relative a pair of first opening 2131 and to a pair of first projection 2132 of convex.When covering housing 21 on insulating body 3 time, catch 211 is connected to insulating body 3, thereby determines the relative position relation of insulating body 3 and upper shell 21.Lower house 22 comprises lower cover 220, with upper shell 21 the first side walls 213 corresponding second sidewalls 223, by lower cover 220 along the docking section 221 that the butt joint directions are extended forward, and the relative brace 222 of corresponding and upper shell U-shaped sheet 212.Lower cover 220 surfaces are provided with a pair of second bending 2201 and one second fluting 2202.Lower house 22 second sidewalls 223 are respectively equipped with second opening 2231 and the 3rd opening 2232 corresponding to first opening 2131 and first projection, 2132 positions of upper shell 21 the first side walls 213.Docking section 221 is provided with the holding hole 2211 corresponding to snap close piece 5.Docking section 221 butt connector (not shown) that is used to peg graft, which is provided with can for and the stable convex closure 2212 of pegging graft of butt connector (not shown).Perforate (not label) that is used to accommodate cable (not shown) of U-shaped sheet 212 and brace 222 middle formation.

Terminal group 4 comprises plurality of terminals (not label), as shown in Figure 2, and the connecting portion 42 that each terminal (not label) all has contact site 41, afterbody 43 and connects contact site 41 and afterbody 43.

Snap close piece 5 has lock catch arm 51, fixing arm 53 and connects the elastic portion 52 of lock catch arm 51 and fixing arm 53.End at lock catch arm 51 is provided with snap close 511 and the guiding face 512 that is positioned at snap close 511 outsides, guiding face 512 is for having the inclined-plane of certain angle, fixing arm 53 is provided with blocked block 531, is provided with on lock catch arm 51 and last blocked block 531 symmetrically arranged blocked blocks 513 down.Last blocked block 531 and following blocked block 513 all are fastened in insulating body 3 rear ends.

Insulating body 3 comprises base portion 31 and tongue 32, be equipped with blocked block 310 in the two sides of base portion 31, the mid portion of base portion 31 is provided with first of the connecting portion 42 that is used to accommodate terminal group 4 and accommodates passage 311, and then in being provided with a pair of first accepting groove 312 that is used to accommodate snap close piece 5 near first two outsides of accommodating passage 311, blocked block 531 and following blocked block 513 are fastened in this first accepting groove 312 this base portion on the snap close piece 5.Be respectively equipped with on the above and below of base portion 31 (not label) and interfere hole 313 and interfere hole 314 down, wherein interfere hole 314 and first to accommodate passage 312 down and communicate, to accommodate passage 312 isolated and go up interference hole 313 and first.Tongue 32 is extended to form forward along the butt joint direction by base portion 31, which is provided with second and accommodates the contact site 41 that passage 321 is used to accommodate terminal group 4, and in addition, tongue 32 also is provided with second accepting groove 322 of accommodating snap close piece 5 lock catch arms 51.

Block piece 6 is connected to the afterbody 43 of terminal group 4, and this block piece 6 is contained in the following interference hole of insulating body 3 314.

During assembling, terminal group 4 is contained in corresponding first of insulating body 3 and accommodates passage 311 and second and accommodate in the passage 321, wherein the connecting portion 42 of terminal group 4 is housed in first of base portion 31 and accommodates passage 311, contact site 41 is housed in second of tongue 32 and accommodates passage 321, and the afterbody 43 of terminal group 4 then is exposed to outside the insulating body 3.Block piece 6 inserts insulating body 3 from the following interference hole 314 of the body 3 that insulate, and is connected to terminal group 4 connecting portions 42.Snap close piece 5 from first accepting groove 312 of the body 3 that insulate by after insert insulating body 3 forward, the last blocked block 531 and the following blocked block 513 of snap close piece 5 all are held in first accepting groove 312 of insulating body 3, the fixing arm 53 of snap close piece 5 is held in the base portion 31 of insulating body 3, and the base portion 31 that lock catch arm 51 then passes insulating body 3 makes the end of lock catch arm 51 be housed in second accepting groove 322 of tongue 32.Insulating body 3 inserts from lower house 22 rear end faces, and bending lower house 22 second bendings 2201 make its rear end face that is connected to the following blocked block 513 of snap close piece 5 then, move backward to stop snap close piece 5.Lower house 22 has elasticity, so two blocked blocks 310 of the base portion 31 of insulating body 3 can easily be housed in second opening 2231 of lower house 22 second sidewalls 223.Insulating body 3 tongues 32 are housed in lower house 22 docking sections 221, and two snap closes 511 of snap close piece 5 are fastened in respectively in the holding hole 2211 of lower house 22 docking sections 221, and part is exposed to outside the lower house 22, is used for being interlocked with the corresponding snap close piece (not shown) of butt connector (not shown).The catch 211 of upper shell 21 is connected to insulating body 3 base portions 31 front ends and fastens from top to down, second bending 2201 is connected to the rear end of blocked block 531 on the snap close piece 5,2132 of first projections of upper shell 21 the first side walls 213 are contained in second sidewall, 223 corresponding the 3rd openings 2232 of lower house 22, and upper shell 21 first openings 2131 are also accommodated insulating body 3 blocked blocks 310 accordingly in it.

So far, whole electric connector 1 assembling finishes, in actual applications, the docking section 221 of lower house 22 is gone in the insulating body that terminal (not shown) is housed (not shown) grafting of butt connector (not shown), housing (not shown) then is plugged in the outer surface of lower house 22 docking sections 221, at this moment, lower house 22 docking sections 221 convex closures 2212 are connected to housing (not shown) inner surface of butt connector (not shown), the coupling mechanism force of grafting is provided, makes electric connector 1 and butt connector (not shown) firm plug.

The above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims

1. an electric connector comprises metal shell, is contained in the interior insulating body of metal shell, is contained in the terminal group in the insulating body, and wherein, above-mentioned metal shell is provided with the docking section, it is characterized in that: the outer surface of docking section is provided with convex closure.

2. electric connector as claimed in claim 1 is characterized in that: described insulating body both sides are provided with blocked block, and metal shell is provided with and corresponding first opening of blocked block and second opening, and the blocked block and first opening and second open card link and connect.

3. electric connector as claimed in claim 2 is characterized in that: described metal shell is made up of the upper shell and the lower house of buckle, and upper shell and lower house one are provided with first projection, and another one is provided with and corresponding the 3rd opening of first projection.