CN1127183C

CN1127183C - Shielded electric connector

Info

Publication number: CN1127183C
Application number: CN99106021A
Authority: CN
Inventors: 林政德
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 1999-04-08
Filing date: 1999-04-08
Publication date: 2003-11-05
Anticipated expiration: 2019-04-08
Also published as: CN1270429A

Abstract

The present invention relates to a shielded electric connector (10, 10A) which comprises an insulating casing (12) which is provided with a front matching end (24) for the interface of an auxiliary matching connector. A plurality of terminals (18) are fixed on the casing and comprise contact parts (18a) which are used for being engaged with the proper terminals of the matching connector. The casing is basically enclosed by a first shield (14) and a second shield (16, 16A) of a metallic material in the shape of a sheet; the first shield (14) comprises at least one clamping arm (36) which protrudes from the first shield (14); the second shield (16, 16A) comprises a hole (40) which is used for receiving the clamping arm (36) of the first shield. The clamping arm (36) is inserted into a through hole (40) and is bent to be engaged with the second shield (16, 16A) to cause the shield to be kept around the casing (12).

Description

Shield electric-connector

Technical field

The present invention relates generally to the electric connector technology, particularly the connector of shielding electromagnetism and radio frequency interference turnover.

Background technology

Electric circuit is typically provided with radio frequency interference (RFI) protection of avoiding electromagnetic interference (EMI) and launching or enter system from system.Though now EMI and RFI often exchange use, EMI is used to refer to the energy that occurs Anywhere in the electromagnetic spectrum, and RFI is limited to the interference in the radio communication band sometimes.The EMI energy is except that also can externally producing internal system produces.Electronic equipment operation in the outside EMI energy possibility EVAC (Evacuation Network Computer Model), and inner EMI energy may produce the transfer of data that can make the mistake " crosstalking " and " noise ".

Owing to have the many contact regions and the opening that are used for electric terminal and cable, electric connector is because the EMI energy is easy to puncture especially.Typical electric connector comprises the insulation shell of fixing a plurality of conducting terminals.This shell can have a compatible portion forward.In order to protect connector to avoid the puncture that the EMI energy causes, around insulation shell, provide shielding, particularly its compatible portion.This shielding is often made by the conductive sheet metal material that pressing mold forms.Sheet material elder generation pressing mold forms or is folded into the cover of a connector case then.One of problem of shielding is that they are often made by a plurality of elements that cause EMI " leakage " in this, and these elements do not keep together by enough strong geared assembly.The present invention will address these problems with simple and cheap a plurality of elements shieldings of producing and assembling.

Summary of the invention

Therefore, one of purpose of the present invention provides a kind of new, improved shield electric-connector with above-mentioned feature.

The present invention proposes a kind of shield electric-connector, comprising: this insulation shell of insulation shell has the preceding mating end that is used for the auxiliary matched attachment unit interface, rear end, crown wall and opposing sidewall; Be fixed in the shell and comprise a plurality of terminals of the contact portion that is used to mesh matching connector platform words terminal; It is characterized in that, also comprise: be fixed at least around crown wall and the main shield on the shell of opposing sidewall, this main shield comprises a pair of jig arm of tossing about backward and to protrude from main shield, and around the shell rear end and comprise a pair of back shielding that is used to receive the hole of main shield jig arm; Main shield jig arm thus can be inserted through hole in the back shielding and folder by the back shielding shielding is remained on around the shell.

The present invention also proposes a kind of shield electric-connector, comprising: have the insulation shell that is used for the preceding mating end of auxiliary matched attachment unit interface; Be fixed in the shell and comprise a plurality of terminals of the contact portion that is used to mesh the suitable terminal of matching connector; It is characterized in that, also comprise: first and second shieldings of surrounding the sheet metal material of shell, described first shielding comprises the jig arm of being protruded by first shielding, and described secondary shielding comprises the hole that is used to receive the first shielding jig arm, thus the jig arm of first shielding can be inserted through the hole in the secondary shielding and be bent with the secondary shielding engagement shielding is remained on around the shell.

Such as here description, shell comprises a rear end, crown wall and opposing sidewall.First shielding is to be fixed on crown wall and the main shield on every side of its opposing sidewall at least.A pair of jig arm is tossed about from main shield and is protruded backward.Secondary shielding is the back shielding around the shell rear end and comprises a pair of hole that is used to receive the first shielding jig arm.

Another feature of the present invention comprises having the jig arm back shielding of crooked groove area therein.Back shielding forms by the back wall with from the main shield side flange that overlapping back wall protrudes forward of tossing about.Hole in the shielding of back is positioned at the junction of Hou Qiang and its side flange.

Other purpose of the present invention, feature and advantage will be more obvious by describing in detail below in conjunction with accompanying drawing.

Be considered to new feature of the present invention specifically statement in claims.The present invention and purpose and advantage can be understood by describing better below in conjunction with accompanying drawing, and same tag is represented similar elements and wherein in the accompanying drawing:

Description of drawings

Fig. 1 is the rear view in conjunction with an embodiment of electric connector of the shielding of the principle of the invention;

Fig. 2 is the figure similar to Fig. 1, has removed back shielding so that signal;

Fig. 3 is the front perspective view of Fig. 1 connector;

Fig. 4 is the segmentation perspective view that the connector of Fig. 1-3 can be fixed on shell wherein;

Fig. 5 is the figure similar to Fig. 1, but the second embodiment of the present invention;

Fig. 6 is the figure similar to Fig. 5, but has removed back shielding;

Fig. 7 is the front perspective view of Fig. 5 connector;

Fig. 8 is the figure similar to Fig. 4, but displayed map 5 connectors, and

Fig. 9 is the perspective view according to the shielded connector of prior art.

Embodiment

With reference to more detailed accompanying drawing, and at first be Fig. 1-3, be designated as 10 usually according to first embodiment of shield electric-connector of the present invention.Connector comprises and is often referred to the insulation shell that is decided to be 12 (Fig. 2), surrounds by comprising being often referred to be decided to be 14 first or main shield and to be often referred to the screening arrangement that is decided to be 16 second or back shielding basically.Being often referred to a plurality of terminals that are decided to be 18 (Fig. 2) is fixed on the shell 12 and comprises the contact portion 18a (Fig. 3) that is used to mesh the suitable terminal of auxiliary matched connector.

Specifically, shell 12 is by the single chip architecture as the even mold pressing of insulating material of plastics or analog.Be more clearly visible in Fig. 2, shell comprises crown wall 20 and opposing sidewall 22.Shell is determined as mating end 24 before the connector of seeing among Fig. 3.At last, shell comprises a pair of normally parallel patchboard or terminal board 28 (Fig. 3).

Terminal 18 comprises the shape of tail part 18b that hangs from shell, is used for being inserted into suitable hole and being used for as being connected on the circuit board by mold pressing and/or the appropriate circuitry track in hole at printed circuit board (PCB).As Fig. 2 saw, terminal was bent in square position, and the contact portion 18a of terminal extends to forward in the shell of its preceding mating end 24 like this.

First or main shield 14 form by the punching press of sheet metal material, and comprise shell 12 respectively take over a business 30 and be positioned at side panel 32 and side wall 22 on the crown wall 20.The top edge of the overlapping side panel 32 of side flange 30a of taking over a business.A pair of draw ring 30b bending after taking over a business is engaged in the crown wall 20 antemarginal grooves of shell.The a pair of draw ring 30c that contacts that takes over a business 30 a pair of contact draw ring 30c and side panel 32 curves inwardly near the mating end before connector with the suitable shielding of engagement auxiliary matched connector.Each side panel 32 also has a pair of Convenient table to be inserted into fixing hole suitable in the printed circuit board (PCB).Convenient table also be used on the engage circuit board as the ground connection leg and/or the circuit board fixing hole in suitable grounded circuit.

With particular reference to Fig. 3, main shield 14 also has the front panel 34 that is formed by pair of openings or socket 34a, and opening or socket are used to receive the plug portion of auxiliary matched connector.A pair of grounding arm 32e from the leading edge of side panel 32 protrude forward and with front panel the front panel front curvature of a pair of safeties 34b registration.As following finding, arm 32e refers to connector 10 anterior formation ground connection, with the shielding or the fixing shell wherein of engaging connector of engagement auxiliary matched connector.Arm or ground connection finger, can be moved to the safeties 34b in the front panel 34.

As Fig. 2 finding, a pair of jig arm 36 shields 14 in the past and protrudes backward.Especially, jig arm is protruded backward from the back edge of main shield side panel 32.

Back shielding 16 comprises rear board or wall 38, and rear board or wall have from protruding forward with the antemarginal rear board of overlapping relation along preceding shielding side panel 32.Form pair of holes 40 in the back behind the junction between plate 38 and the side flange 39 in the shielding 16.Rear board comprises groove part 42, forms groove area to receive jig arm 36.

More particularly, as mentioned above, after preceding shielding 14 was equipped with assembling around shell 12, back shielding 16 (Fig. 2) was equipped with assembling along arrow " A ".Between erecting stage, the jig arm 36 of preceding shielding 14 is inserted the hole 40 that shields later in 16.In case shielding location, back contacts with shell 12 rear ends 26, jig arm 36 bends in the groove area 42 of back shielding rear board 38 as shown in Figure 1 inwardly.Therefore, jig arm contacts with the rear board of back shielding.

Fig. 4 simple displaying be fixed on an application of the shielded connector in the shell 44, shell 44 may be a computer shell.Matching connector one receiver hole 46 is separated by horizontal stripe 48, and horizontal stripe 48 refers to 32e (Fig. 3) engagement by the ground connection of shielding 14 before the connector.Divide ceasma 46 concordant with socket 34a (Fig. 3) in the 12 preceding shieldings 14 of shell around the connector 10.

Fig. 5-7 demonstration is often referred to and is decided to be second embodiment of 10A in conjunction with the shield electric-connector of notion of the present invention.The structure of shielding 16A, connector 10A and connector 10 are closely similar behind connector 10A.Therefore, used among Fig. 1-3 of the corresponding foregoing description of same mark same element among Fig. 5-7 about connector 10.In fact, shell 12 is identical with preceding shielding or main shield 14, and the structure of shell and main shield no longer repeats in the connector 10A of Fig. 5-7.

More particularly, in connector 10A second embodiment, back shielding 16A comprises a pair of side panel or the wall 50 that substitutes shielding 16 flanges 39 in back in first connector 10.Side panel 50 side panels 50 omniranges stretch towards export-oriented connector is anterior, and are included in the draw ring 52 that springs inwards in main shield 14 front panels 34 among the socket 34a.In addition, a pair of open outwardly ground connection refers to that 54 also protrude forward from back shielding 16A side panel 50.

Otherwise the second connector 10A main shield 14 comprises the jig arm 36 that is inserted into back shielding 16A mesopore 40, and is bent in the groove area 42 of back shielding.

Fig. 8 shows the second connector 10A of the shell 56 that is fixed on the branch ceasma 46 (Fig. 4) that has single hole 58 rather than be used for first connector 10.The ground connection that has a shielding 16A behind single hole 58, the second connector 10A refer to 54 with the shell inner mesh in 58 outsides in the hole.

Fig. 9 demonstration is often referred to according to prior art and is decided to be 60 shield electric-connector.This connector comprises being often referred to and is decided to be 62 insulation shell, is often referred to be decided to be 64 preceding shielding, and is often referred to and is decided to be 66 back shielding.Utilize a pair of before door bolt groove 68 in the shielding and the door bolt ring 70 in a pair of back shielding, shielding is fixed on around the shell.

Can think that other forms that the present invention can not break away from its spirit or central feature realize.Therefore, no matter from that, example of the present invention and embodiment are considered for illustrative and not restrictive, and the invention is not restricted to details given here.

Claims

1, (10,10A), comprising: insulation shell (12), this insulation shell have the preceding mating end (24) that is used for the auxiliary matched attachment unit interface to a kind of shield electric-connector, rear end (26), crown wall (20) and opposing sidewall (22);

Be fixed in the shell and comprise a plurality of terminals (18) of the contact portion (18a) that is used to mesh the suitable terminal of matching connector; It is characterized in that, also comprise:

Be fixed at least at crown wall (20) on every side and the main shield (14) on the shell of opposing sidewall (12), this main shield comprises a pair of from the main shield jig arm (36) that (32) protrude backward of tossing about, and

Around shell (12) rear end (26) and comprise a pair of back shielding that is used to receive the hole (40) of main shield (14) jig arm (36) (16,16A),

Main shield thus (14) jig arm (36) can be inserted through back shielding (16,16A) hole in (40) and folder by the back shielding shielding is remained on around the shell.

2, according to the shield electric-connector of claim 1, wherein main shield at least (14) make by the sheet metal material and described jig arm (36) be bent with the back shielding (16,16A) engagement.

3, according to the shield electric-connector of claim 2, and wherein back shielding (16,16A) make and comprise that jig arm (36) is bent to groove area (42) wherein by the sheet metal material.

4, according to the shield electric-connector of claim 1, and wherein said back shielding (16,16A) comprise back wall (38) and from overlapping main shield (14) side flange (39,50) that the back wall of (32) protrudes forward of tossing about.

5, according to the shield electric-connector of claim 4, and wall (38) and back shielding after wherein said hole (40) are positioned at (16, side flange 16A) (39,50) junction.

6, according to the shield electric-connector of claim 5, wherein main shield at least (14) make by the sheet metal material and described jig arm (36) be bent with the back shielding (16, back wall (38) engagement 16A).

7, according to the shield electric-connector of claim 6, and wherein back shielding (16,16A) make and comprise that jig arm (36) is bent to the groove area (40) in wherein the back wall (38) by the sheet metal material.

8, according to the shield electric-connector of claim 1, wherein said back shielding (16A) comprises back wall (38) and protrudes forward and be included in the side wall (50) that the ground connection of mating end (24) before the connector case refers to (54) from the toss about back wall of (32) of overlapping main shield (16).

9, a kind of shield electric-connector (10,10A), comprising:

Has the insulation shell (12) that is used for the preceding mating end (24) of auxiliary matched attachment unit interface;

First and second shieldings of the sheet metal material of encirclement shell (14,16,16A),

Described first shielding (14) comprises the jig arm of being protruded by first shielding (36), and

Described secondary shielding (16,16A) comprise the hole (40) that is used to receive first shielding (14) jig arm (36),

Thus the jig arm (36) of first shielding (14) can be inserted through the hole (40) in the secondary shielding and be bent with secondary shielding engagement shielding is remained on around the shell.

10, according to the shield electric-connector of claim 9, wherein secondary shielding (16,16A) comprise that jig arm (36) is bent groove area (42) therein.

11, according to the shield electric-connector of claim 9, wherein said secondary shielding (16,16A) comprise from shielding (14) edge with the flange (39 of overlapping relation from wall (38) protrusion of secondary shielding first, 50), described jig arm (36) is protruded from the described edge of first shielding, and described hole (40) be positioned at wall (38) and secondary shielding (16, the 16A) junction of flange (39,50).