CN202167705U

CN202167705U - Connector and connector assembly

Info

Publication number: CN202167705U
Application number: CN2011202055759U
Authority: CN
Inventors: 蔡赐庆; 陈定成
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: 2011-06-17
Filing date: 2011-06-17
Publication date: 2012-03-14
Anticipated expiration: 2021-06-17

Abstract

Provided are a connector and a connector assembly. The connector assembly comprises a first connector (100) and a second connector (200) which can be matched with each other. The first connector comprises an insulating body (10), a plurality of terminals (11) and a metal shielding casing (12), the terminals are fixed to the insulating body, and the metal shielding casing is wrapped on the periphery of the insulating body. The metal shielding casing (12) is provided with a frame structure (120) and an elastic sheet (1211) extending into the frame structure, the metal shielding casing (12) can supply electromagnetic shielding effects to the connector, and the elastic sheet can be contacted with a grounding terminal in the second connector in elastic mode, thereby improving the electromagnetic shielding effects of the metal shielding casing.

Description

Connector and connector assembly

[technical field]

The utility model is relevant a kind of connector and connector assembly, refers in particular to a kind of connector and connector assembly with ELECTROMAGNETIC OBSCURANT device.

[background technology]

Along with the quick progress of science and technology, modern's life is indebted to the facility of electric equipment products, but also is in the environment of electromagnetic wave injection.Especially the electronic product of carrying or the communication product of high-frequency transmission, the electromagnetic radiation of itself are emitted in the surrounding environment easily, produce with contiguous electronic product and disturb, even might cause damage to human body.Therefore, the problem relevant for anti-electromagnetic interference becomes important problem gradually.

Connector is as the important electron assembly, and along with the raising of signaling rate, the electromagnetic interference phenomenon also increases thereupon, and the connector that disposes anti-electromagnetic interference measure is also further adopted.The novel patent announcement of TaiWan, China M303534 patent has disclosed a kind of connector with masking device.Connector has insulating body and a plurality of pin, and an end of pin extends the insulating body outside, and is welded on the circuit board.The masking device of connector has comprised housing and leakproof projection, and housing is coated on insulating body, and has comprised a plurality of faces that cover.Simultaneously, the face that covers has a microscler breach at least, and microscler breach correspondence appears pin.The leakproof projection then is disposed at has the covering on the face of microscler breach, and the ground connection pin in the leakproof projection conducting pin.Yet,, possibly have the bad problem that electrically conducts because leakproof projection and earth terminal directly overlap.Therefore, be necessary existing connector is improved to restrain its defective.

[utility model content]

The main purpose of the utility model is to provide a kind of connector and connector assembly that improves ELECTROMAGNETIC OBSCURANT that have.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of connector assembly, and it comprises: first connector that can join mutually and second connector; Said first connector comprises: first insulating body, some the first terminals and metal shielding casing, and the first terminal is fixed in first insulating body, and the first terminal comprises signal terminal and earth terminal; The metal shielding casing is coated on the first insulating body periphery, and the metal shielding casing has frame structure and extends into the shell fragment in it; Said second connector comprises: second insulating body and some second terminals, and said second terminal is fixed in second insulating body, and second terminal comprises signal terminal and earth terminal; The signal terminal of said second connector, earth terminal contact with signal terminal, the earth terminal of first connector respectively, and the shell fragment of said metal shielding casing contacts with the earth terminal of second connector.

Compared with prior art; The utlity model has following beneficial effect: the metal shielding casing can provide good ELECTROMAGNETIC OBSCURANT effect to connector assembly; And the shell fragment of metal shielding casing and corresponding earth terminal Elastic Contact; Thereby reach reliable grounded circuit, further improve the ELECTROMAGNETIC OBSCURANT effect of metal shielding casing.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of connector, and in order to dock with butt connector, it comprises: insulating body, plurality of terminals, insulating body have antetheca, rear wall, and terminal is fixed in antetheca, the rear wall of insulating body; Said connector also comprises the metal shielding casing of the outside that is assembled to insulating body; The metal shielding casing comprises by front, back and left and right side and linking to each other and the frame structure that surrounds, and metal shell also comprises and extends in the frame structure and the shell fragment that can be connected with butt connector.

Compared with prior art; The utlity model has following beneficial effect: the metal shielding casing can provide good ELECTROMAGNETIC OBSCURANT effect to connector; And the shell fragment of metal shielding casing can be connected with butt connector, further improves the ELECTROMAGNETIC OBSCURANT effect of metal shielding casing.

[description of drawings]

Fig. 1 is the three-dimensional combination figure with connector assembly among utility model first embodiment;

Fig. 2 is the stereogram of first connector and second connector in the connector assembly;

Fig. 3 is the view of another angle of Fig. 2;

Fig. 4 is the exploded view of first connector;

Fig. 5 is the exploded view of second connector;

Fig. 6 is the cutaway view of Fig. 1 along the A-A direction;

Fig. 7 is the cutaway view of Fig. 1 along the B-B direction;

Fig. 8 is the stereogram of connector assembly among the utility model second embodiment;

Fig. 9 is the part schematic perspective view of first connector among second embodiment;

Figure 10 is the vertical view of Fig. 9.

[embodiment]

Please referring to figs. 1 through shown in Figure 7, first embodiment of the utility model connector assembly 1000 comprises first connector 100 and second connector 200 that can join mutually, and first connector 100, second connector 200 are mounted on the corresponding circuit board 300.

First connector 100 comprises first insulating body 10, the metal shielding casing 12 that is fixed in the some the first terminals 11 on first insulating body 10 and is coated on first insulating body, 10 peripheries.

First insulating body 10 comprises by antetheca 101, the receiving space 104 that rear wall 102 and the left and right sidewall 103 that is connected with antetheca 101, rear wall 102 are surrounded.The next door 105 of one horizontal expansion is arranged at the centre position of receiving space 104.The inboard of antetheca 101 and rear wall 102 is provided with some accepting grooves 1011,1022.The forward and backward face in next door 105 is provided with some grooves 1051,1052, and groove 1051,1052 respectively with adjoining accepting

groove

1011,1022 positioned opposite.In addition, the inboard of antetheca 101 and rear wall 102 also is provided with three

flutings

1013,1023 respectively.

Two rows and be that centre mirror looks like to arrange before and after 11 one-tenth of the first terminals with next door 105.The first terminal 11 comprises holding parts 111, the afterbody 113 from holding parts 111 bottoms to extension, the elastic contact part 112 that extends internally from holding parts 111 tops.Elastic contact part 112 has first elastic contact arm 1121 and second elastic contact arm of arranging along fore-and-aft direction 1122.First elastic contact arm 1121 is contained in the accepting groove 1011/1022, and second elastic contact arm 1122 is contained in the groove 1051,1052.In addition, first elastic contact arm 1121 is provided with protuberance 1123, and this protuberance 1123 extends forwardly in the receiving space 104.The free terminal 1124 of second elastic contact arm 1122 extends rearwardly in the receiving space 104.The afterbody 113 of the first terminal 11 is soldered on first sheet metal 302 on the circuit board 300.

Metal shielding casing 12 comprises by front 121, back 122 and left and right side 123 and linking to each other and the frame structure 120 that surrounds.Some

shell fragments

1211,1222 extend inward in this frame structure 120 from forward and backward 121,122 of metal shell 12.In addition, some

lugs

1213,1223 before metal shell 12, back 121,122 is outwards

outstanding.Lug

1213,1223 is soldered to second sheet metal 303 of circuit board 300.

Metal shielding casing 12 is assembled to the outside of first insulating body 10, and

shell fragment

1211,1222 passes fluting 1013,1023 and extends in the receiving space 104.In addition, also be provided with retaining sheet 1231 on left and right 123 of metal shielding casing 12, and these retaining sheets 1231 insert in the location notch 1031 on the left and right sidewall 103 of first insulating bodies 10.

Second connector 200 comprises second insulating body 20, is fixed in some second terminals 21 on second insulating body 20.

Second insulating body 20 comprises by antetheca 201, the host cavity 204 that rear wall 202 and the left and right sidewall 203 that is connected with antetheca 201, rear wall 202 are surrounded.The medial and lateral of antetheca 201 and rear wall 202 are provided with some accepting

grooves

2011,2021 that roughly become to put upside down the U type.

21 one-tenth front and back of second terminal, two rows and mirror image are arranged.Second terminal 21 comprises holding parts 211, the afterbody 213 that stretches out from holding parts 211 bottoms, the upwardly extending contact site 212 that roughly becomes to put upside down the U type from holding parts 111 tops.Contact site 212 is fixed in the accepting groove 2011/2021.Contact site 212 has first contact arm 2121 and second contact arm of arranging along fore-and-aft direction 2122.First contact arm 2121 is provided with stage portion 2123.

When first connector 100 docks with second connector 200; Between first elastic contact arm 1121 of the elastic contact part 112 that first contact arm 2121 of the contact site 212 of second terminal 21, second contact arm 2122 are held in the first terminal 11, second elastic contact arm 1122, and the protuberance 1123 on first elastic contact arm 1121 is resisted against on the stage portion 2123 of first contact arm 2121.

In the present embodiment, first connector 100 comprises 24 pairs of the first terminals 11, and according to order from left to right, each terminal is followed successively by G, D, D, G, D, D, G, D, D, G, D, D; D, D, G, D, D, G, D, D, G, D, D, G; Wherein G representes that this terminal is an earth terminal, and D representes that this terminal is a signal terminal, and the terminal of whenever adjacent a pair of transmission data is that differential signal is right.The shell fragment 1211/1222 of metal shielding casing 12 then between number one is to the left side of earth terminal, the 12 and ten No. three signal terminal, the right side of the 20 No. four earth terminal.

Second connector 100 comprises 30 pairs second terminals 21, and according to order from left to right, each terminal is followed successively by G ', G ', G, D, D, G, D, D, G, D, D, G, D, D; G ', G '; D, D, G, D, D, G, D, D, G, D, D, G, G ', G '.Signal terminal D in the first terminal 11 can contact with the signal terminal D in second terminal 21 and electrically conduct, and the earth terminal G in the first terminal 11 can contact with the earth terminal G in second terminal 21 and the formation first grounded circuit/earthed circuit that electrically conducts.In addition; The

shell fragment

1211,1222 of metal shielding casing 12 can contact with the earth terminal G ' in second terminal 21 and electrically conduct and form second grounded circuit/earthed circuit, and each shell fragment 1211/1222 can with adjacent two earth terminal G ' Elastic Contact simultaneously.Wherein, with the earth terminal of shell fragment 1211/1222 contacted second connector 200 not with first connector 100 in earth terminal contact.So in the present embodiment, first grounded circuit/earthed circuit can prevent the electromagnetic interference between the adjacent signal terminal in the inner left and right sides of connector, improves signal transmission quality.Second grounded circuit/earthed circuit can prevent the electromagnetic interference of signal terminal to the connector external module, guarantees the stability and the reliability of electronic system.

See also Fig. 8 to Figure 10 and combine Fig. 1 to Fig. 7, the second embodiment connector assembly 1000 ' of the utility model comprises first connector 100 ' and second connector 200 ' that can join mutually.Wherein, the structure of second connector 200 of second connector 200 ' of second embodiment and first embodiment is identical; And the structure of first connector 100 of first connector 100 ' of second embodiment and first embodiment is roughly the same; And the main distinction is to be provided with between the first terminal 11 sheet metal 16; Sheet metal 16 contacts and forms the 3rd grounded circuit/earthed circuit with conductive part 301 on the circuit board 300, the electromagnetic interference between its first terminal 11 adjacent before and after can preventing.This sheet metal 16 can be inlayed and bury moulding (insert-molding) in the next door 105 of first insulating body 10, and need not increase too much assembling procedure.

Claims

1. connector assembly, it comprises: first connector that can join mutually and second connector; Said first connector comprises: first insulating body, some the first terminals and metal shielding casing, and the first terminal is fixed in first insulating body, and the first terminal comprises signal terminal and earth terminal; The metal shielding casing is coated on the first insulating body periphery, and the metal shielding casing has frame structure and extends into the shell fragment in it; Said second connector comprises: second insulating body and some second terminals, and said second terminal is fixed in second insulating body, and second terminal comprises signal terminal and earth terminal; It is characterized in that: the signal terminal of said second connector, earth terminal contact with signal terminal, the earth terminal of first connector respectively, and the shell fragment of said metal shielding casing contacts with the earth terminal of second connector.

2. connector assembly as claimed in claim 1 is characterized in that: with the earth terminal of contacted second connector of shell fragment not with first connector in earth terminal contact.

3. connector assembly as claimed in claim 1; It is characterized in that: said the first terminal comprises holding parts, from the holding parts bottom to the afterbody of extension, from the elastic contact part that the holding parts top extends internally, said second terminal comprises holding parts, from the holding parts bottom outward extending afterbody, from the holding parts top upwardly extending contact site.

4. connector assembly as claimed in claim 3 is characterized in that: the contact site of said second terminal is by the elastic contact part clamping of the first terminal.

5. connector assembly as claimed in claim 4; It is characterized in that: the elastic contact part of said the first terminal has first elastic contact arm and second elastic contact arm of arranging along fore-and-aft direction; The contact site of said second terminal has first contact arm and second contact arm of arranging along fore-and-aft direction, and said first contact arm, second contact arm are held between first elastic contact arm, second elastic contact arm.

6. connector assembly as claimed in claim 5 is characterized in that: said first elastic contact arm is provided with protuberance, and first contact arm is provided with the stage portion that can lean with protuberance.

7. connector, in order to dock with butt connector, it comprises: insulating body, plurality of terminals, insulating body have antetheca, rear wall, and terminal is fixed in antetheca, the rear wall of insulating body; It is characterized in that: said connector also comprises the metal shielding casing of the outside that is assembled to insulating body; The metal shielding casing comprises by front, back and left and right side and linking to each other and the frame structure that surrounds, and metal shell also comprises and extends in the frame structure and the shell fragment that can be connected with butt connector.

8. connector as claimed in claim 7 is characterized in that: said shell fragment extends inward into frame structure from the front or the back of metal shell.

9. connector as claimed in claim 8 is characterized in that: be provided with receiving space between the antetheca of said insulating body and the rear wall, shell fragment extends in the receiving space.

10. connector as claimed in claim 9 is characterized in that: said antetheca or rear wall are provided with fluting, and shell fragment passes fluting and extends in the receiving space.