CN2354264Y

CN2354264Y - Shielded electric connector

Info

Publication number: CN2354264Y
Application number: CN 98205900
Authority: CN
Inventors: 林台; 吴焜灿
Original assignee: FUJIN PRECISION INDUSTRY (SHENZHEN) CO LTD; Hon Hai Precision Industry Co Ltd
Current assignee: FUJIN PRECISION INDUSTRY (SHENZHEN) CO LTD; Hon Hai Precision Industry Co Ltd
Priority date: 1998-06-17
Filing date: 1998-06-17
Publication date: 1999-12-15
Anticipated expiration: 2008-06-17

Abstract

The utility model relates to a shielded electric connector which is additionally provided with a shielded shell based on a connector with shielded function. The connector comprises a socket, an insulating body, three video-audio jacks, wherein, at least one plane of the socket is coated with a layer of metal shielded body, and the two metal connecting elements of both sides of the socket are connected with the shielded body and the grounding fastening element of the connector to form a grounding line. The shielded shell is formed by five panels, and the shielded shell is provided with a plurality of devices and a plurality of connecting parts, wherein, the devices and the connector are mutually clamped to achieve firm connection; the connecting parts are communicated with the grounding line, so that the electric charge accumulated by the shielded body is quickly discharged to achieve the effects of shielding and grounding.

Description

The screen type electric connector

The utility model relates to a kind of screen type electric connector, particularly relates to a kind of overcoat shielding casing, has the electric connector that covers with the ground connection effect.

The electric connector of existing application, D shape connector as shown in Figure 1, its signal is pegged graft by the socket of transmission terminal and this connector and is transmitted, and interference electric charge wherein is only by two grounding legs dischargings on this D shape connector, and any width of cloth of the electromagnetic wave that it produced is penetrated.And along with the lifting of functions of the equipments, the signal of connector transmission rolls up, and the speed of transmission also significantly rises, and existing connector ground path can not discharge the interference electric charge rapidly, be easy to signal line is impacted, the phase mutual interference between each element is also quite serious.As everyone knows; metal shell has extraneous electric charge and the effect that prevents that the outer width of cloth of internal electromagnetic wave direction from penetrating of covering; the more relatively charge discharging speed is faster for ground path, to the protection of electric signal transmission also Cui more, so the utmost point needs be further improved existing connector from these aspects.

The purpose of this utility model is to overcome the defective of prior art, a kind of screen type electric connector is provided, it not only can the transmission electronic signal, and have dual earthing device and cover shell, get rid of the interference of extraneous electric charge and electric charge own fully, promote transmission performance, and reduce interference to external world.

The purpose of this utility model is reached like this: in the outside of D shape connector a metal shell is set, this housing is surrounded by five panels, form a cavity that plays bridging effect, holding these connectors in wherein, housing is provided with some and its device of card mutually, to reach firm connection, also be provided with some connecting portions on the shielding casing, constitute with the ground path of this connector and to be communicated with, the electric charge that discharges on the shielding casing rapidly to be accumulated covers to reach, the purpose of ground connection.

Owing to adopt such scheme, can make shell and this connector constitute multiposition overlap joint, forms many ground paths, the interference electric charge that discharges on the housing rapidly to be accumulated, the assurance signal correctly transmits, and simple in structurely reaches easily.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the stereogram of known D shape connector.

Fig. 2 is the exploded view of the utility model first embodiment.

Fig. 3 is the exploded view of the utility model first embodiment.

Fig. 4 is the combination stereogram of the utility model first embodiment.

Fig. 5 is the stereogram of the utility model second embodiment.

Fig. 6 is the stereogram of the utility model second embodiment, and wherein first plate of this shielding casing is started, to show its unassembled preceding state.

At first see also Fig. 1, the utility model comprises a D shape connector 10.This connector is with connecting another pin connector, to reach the transmission of signal.Specifically, D shape connector 10 includes D shape socket 13 and the insulating body 14 of its underpart and the audio-visual socket 31 that is installed on insulating body 14 inside on top.The front of D shape socket 13 is provided with the D shape projection 1 of projection forward, is provided with the jack 34 of predetermined quantity in it, in order to patch the pin connector (not shown) with respective numbers transmission terminal.Be denoted as the front that 33 one conduction baffle roughly covers D shape socket 13, and have around outstanding forward one of D shape projection 1 and cover loop section 35, to be electrically connected with the iron-clad formation of aforementioned another pin connector around terminal, there is the metal connecting piece 2 of a pair of projection forward its both sides, its first half is with internal thread 6, be connected in order to this connector and the firm of aforementioned pin connector, its latter half of caulking part (not shown) that is provided with, be used for aforesaid D shape socket 13, the Z-shaped metal ground connection fastener 4 that insulating body 14 and lower end have grounding leg 7 links together, and formation is electrically connected, so baffle 33, cover loop section 35, metal connecting piece 2, constitute a ground path between the ground connection fastener 4, the entrained interference signal of aforementioned transmission terminal ground path is by this got rid of.It in the insulating body 14 cavity, in order to accommodate audio-visual socket 31, the bottom of its front panel 9 offers three U-shaped grooves 8 to engage three protuberances 36 of audio-visual socket, there is a way-board that extends internally 12 at the plate face back side between adjacent two U-lags, just and the slit between adjacent two protuberances 36 of audio-visual socket 31 30 engaging, reach firm connection, two symmetrical grooves that preset width and length are arranged 32 have also been offered in the two sides of insulating body 14.

See also Fig. 2 to Fig. 4 again, show the shielding casing of first embodiment of the present utility model, it is a two-part construction, comprises first 28 (Fig. 2) and second portion 18 (Fig. 3).Wherein first 28 comprises first plate 16, second plate 17, the 3rd plate 19 and the 4th plate 27.First plate 16 is provided with a hole 26, it roughly with aforementioned D shape projection 1 appearance similar, to hold the metal connecting piece 2 of this projection and its both sides.Three grooves 25 have also been offered in the bottom of first plate 16, align with three U-shaped grooves 8 of aforementioned dielectric body, with the protuberance 36 of accommodating audio-visual socket jointly in wherein.Be respectively equipped with symmetrical first connecting portion 20, second connecting portion 21, the 3rd connecting portion 22 and the 4th connecting portion 29 on second plate 17 and the 3rd plate 19, wherein first connecting portion 20 is to be contacted with the side 3 of conduction baffle 33 of D shape connector 10 in it guaranteeing by the depression of drawing, both be electrically connected, can prevent again that shielding casing 15 left and right directions from moving with aforementioned ground path formation; Second connecting portion 21 is also served as reasons and is stamped to form the depression of shape, and the indent degree of depth is not less than the gap between housing and the connector, to guarantee and ground connection fastener 5 overlap joints, constitutes another ground path; The 3rd connecting portion 22 is the aduncate depression of V-shaped shape, is used to be snapped in the groove 32 of the insulating body two sides in it, and can guarantees suitable fit clearance, prevents that further shielding casing 15 left and right directions from moving; The 4th connecting portion 29 extends one and inwards to the buckle portion of bending for two plate lower side edges from then on, in order to and two grooves, the 23 mutual snappings of second portion (the 5th plate) 18 (Fig. 3).The 5th plate 18 is provided with two grooves 23 and three projections 24, its further groove 23 as described above with the 4th connecting portion 29 snappings, prevent the 5th plate move left and right, the 5th plate 18 can be inserted the back lower edge of shielding casing the 4th plate 27 by top kink 11, prevent that the 5th plate 18 from moving up and down, reach state shown in Figure 4 like this, housing two parts become one, and produce the effect of common ground.

Above-mentioned two-piece type shielding casing generally is used for being welded on the connector on the printed circuit board (PCB), pushing sleeves are thereon before the socket face 9 of the notch alignment D shape connector at the 5th plate place with its first 28, again second portion 18 is injected breach, firmly be connected with first 28 with groove 23 by top kink 11, the snapping with all connecting portions of holding by projection 24 and insulating body, D shape connector is closed in wherein, both produced screening effect, prevent that the electromagnetic wave outside width of cloth in it from penetrating, disturb other electrical equipment, can make electric charge that shielding casing accumulates by above-mentioned first again, the ground path discharging that second connecting portion and grounding leg 7 constitute, guarantee that fully the electric signal in the connector is interference-free, significantly promote the signal transmission quality of connector.

Fig. 5 and Figure 6 shows that the utility model second embodiment, its the 5th plate 18 is an integral body with first 28, and its first plate, 16 rotatable opening, conveniently accommodate connector in wherein, the 26S Proteasome Structure and Function of remainder is identical with first embodiment substantially, and it promptly overlapped thereon before connector is welded on the printed circuit board (PCB).

Claims

1. screen type electric connector, described connector comprise a coupling part, insulating body and an earthing member at least; Described coupling part is in order to connecting another connector, and the layer of metal baffle arranged on it, and connector also has conducting connecting part and connects this baffle and earthing member, constitutes a ground path; Its feature in: the shell that covers of at least a portion that can cover this connector that is made of a panel at least is set outside this connector, covers shell and be provided with the connecting portion that some and above-mentioned ground path is communicated with.

2. screen type electric connector as claimed in claim 1, it is characterized in that: be provided with the hole that can hold above-mentioned projection and conducting connecting part on the shell covering, and further be provided with forward recess and side groove on the insulating body of connector, and cover and then offered the groove that conforms to quantity with above-mentioned forward recess shape on the shell.

3. screen type electric connector as claimed in claim 1 or 2 is characterized in that: cover shell be provided with first connecting portion can with the side lap of the conduction baffle of above-mentioned connector, constitute a ground path.

4. screen type electric connector as claimed in claim 3 is characterized in that: this first connecting portion is to be the depression that concaves, and its degree of depth is not less than the gap of covering between shell and the connector.

5. screen type electric connector as claimed in claim 1 or 2 is characterized in that: cover further be provided with on the shell second connecting portion can with the earthing member of above-mentioned connector overlap joint, constitute another ground path.

6. screen type electric connector as claimed in claim 5 is characterized in that: second connecting portion is to be the depression that concaves, and its degree of depth is not less than the gap of covering between shell and the connector.

7. screen type electric connector as claimed in claim 1 or 2 is characterized in that: cover and further be provided with the 3rd connecting portion on the shell and be used for blocking mutually with the side groove of above-mentioned insulating body.

8. screen type electric connector as claimed in claim 7 is characterized in that: the 3rd connecting portion is the aduncate depression of V-shaped shape, to guarantee suitable fit clearance.

9. screen type electric connector as claimed in claim 1 is characterized in that: cover shell and be made of first, second two parts, so that demolition is suitable for being loaded on the connector that has been welded on the printed circuit board (PCB).

10. screen type electric connector as claimed in claim 9 is characterized in that: the described second portion that covers shell can separate with first, and is provided with on second portion respectively and first and the insulating body device of card mutually.

11. screen type electric connector as claimed in claim 10, it is characterized in that: the described shell that covers comprises a pair of relative panel in the shielding casing of first, be positioned at the limit, the left and right sides of connector, wherein the bottom of this counter plate is simultaneously inwardly to bending out buckle portion.

12. screen type electric connector as claimed in claim 11 is characterized in that: the bottom of the second portion of described shielding casing is provided with groove and projection, the part of groove is used with first and is inserted buckle portion snapping, and projection is used for engaging mutually with insulating body.

13. screen type electric connector as claimed in claim 1 is characterized in that: five bodies of shielding casing for making by same sheet metal, and have the rotatable front panel of opening, described connector can pack in the housing.