CN2697894Y - High-speed low structured cable assembly - Google Patents

Abstract

The utility model discloses a cable assembly, comprising an insulating body and a metal shielding body fixed on the insulating body. A plurality of conductive terminals are contained in the insulating body, the shielding body is provided with a containing space in which the insulating body and an adapter are contained, the adapter is provided with a connecting part which is extended and threaded out of the opening of the longitudinal and long side wall of the shielding body, a channel hole is arranged in the adapter, and an electric cable is extended to the containing space of the shielding body from the channel hole and is electrically connected with the conductive terminals of the insulating body. The cable assembly of the utility model has low contour cost and good electromagnetic interference proofing efficiency, which can ensure the reliable transmission of the high-rate signal.

Description

At a high speed low configuration cable-assembly

[technical field]

The utility model relates to electric connector field, especially refers to a kind of cable-assembly that electrically connects two electronic systems of separating mutually.

[background technology]

Wire and cable connector is usually used in electrically connecting two electronic systems of separating mutually.Typical cable-assembly comprises: the butt connector that an electric wire cable and two connect with electric wire cable two ends respectively.Electric wire cable wherein can be coaxial electrical cable, flat electrical wire cable, multiple core cord cable, these electric wire cables can be by interconnection technique commonly used, as be welded to connect, coat connection, insulative pricking (IDC) and connect, be electrically connected on the conducting terminal of butt connector at electric wire cable two ends.

Along with popularizing of portable electric appts such as notebook computer, the cable-assembly that is used for these equipment transmission signals, require it to have little electric wire cable diameter and at least one butt connector has low profile, thereby this cable-assembly can not occupy too big space in electronic equipment.In addition,, require cable-assembly energy reliable transmission high speed signal along with the development of high speed transmission of signals technology, thereby, often need winding one metal baffle on cable-assembly, in case outside electromagnetic interference (EMI), this metal baffle often is called as the EMI suppression baffle.

Winding one this way of EMI suppression baffle on the insulating body of the butt connector at electric wire cable two ends is widely adopted in practice, and United States Patent (USP) the 6th, 162 No. 086 and the 6th, 179, has disclosed the related example of the cable-assembly that adopts this structure No. 662.But these structures exist not enough, that is: they maybe can not satisfy the requirement of high speed transmission of signals reliability, and perhaps butt connector contour construction wherein is low inadequately, need occupy bigger space.

United States Patent (USP) the 6th, 162 has disclosed a kind of cable-assembly that EMI suppression covers shell that has No. 086.Electric wire cable wherein is contained in the insulating body of connector from the roof of connector, and when electric connector was installed on the circuit board, the overall height of connector and circuit board increased, thereby occupies bigger space.Therefore this connector assembly is difficult in the electronic equipment of compact type.

United States Patent (USP) the 6th, 179 has disclosed another cable-assembly No. 662, and electric wire cable wherein is contained in the insulating body of connector from first transverse end wall of connector body.The overall height of this cable-assembly is than United States Patent (USP) the 6th, 162, and the overall height of the cable-assembly of No. 086 announcement is little, but its shortcoming is the transmission performance that has reduced high speed signal.Each conducting terminal in the connector body all electrically connects with the corresponding signal lead of electric wire cable, the some of them signal conductor runs through connector body and extends to its another second relative transverse end wall, other signal conductor then only extends first transverse end wall than short distance, therefore some signal conductors are long than other signal conductor, and the difference in length of these two kinds of signal conductors is roughly along the longitudinally of connector body.When transmit high-speed signals, this difference in length of these two kinds of signal conductors has weakened the synchronism and the accuracy of signal transmission.

Therefore, need a kind of new low profile cable-assembly, overcome the defective that exists in the above-mentioned prior art.

[utility model content]

The purpose of this utility model is to provide a kind of cable-assembly with EMI suppression baffle, and this cable-assembly has the low profile configuration, also has good EMI suppression effect simultaneously.

Another purpose of the present utility model is to provide a kind of EMI suppression metal baffle, is used for the butt connector that connects with the electric wire cable, and this baffle is easy to winding on connector, and the electric wire cable connect and butt connector in produce reliable EMI suppression protection.

For achieving the above object, the utility model is by the following technical solutions: a kind of cable-assembly, comprise insulating body and metal baffle, contain plurality of conductive terminals in the insulating body, the metal baffle has a receiving space, insulating body is contained in this receiving space, and this metal baffle is provided with an opening being parallel on the longitudinally side wall of insulating body; This cable-assembly also has an adapter, this adapter comprises base portion and connecting portion, base portion is contained in the receiving space of baffle, connecting portion extends baffle from base portion from the opening on the baffle sidewall, this adapter is provided with access opening, and this access opening runs through adapter from connecting portion and extends to its base portion; The electric wire cable extends to the receiving space of baffle by this access opening, electrically connects with conducting terminal in the insulating body.

Compared with prior art, advantage of the present utility model is: the electric wire cable passes the opening of adapter access opening on the baffle longitudinally side wall and extends in the insulating body, and be connected with conducting terminal in the insulating body, reduced the overall height of wire and cable connector, in addition, metal baffle and adapter have the EMI suppression effect, guaranteed the reliable transmission of high speed signal, and adapter can also be strengthened the structural strength of whole assembly.

[description of drawings]

Fig. 1 reaches the stereogram of the butt connector that docks with it for the utility model cable-assembly.

Fig. 2 is the three-dimensional exploded view of cable-assembly shown in Figure 1.

Fig. 3 is the metal baffle three-dimensional exploded view of cable-assembly shown in Figure 1.

Fig. 4 is the stereogram of the adapter other direction of cable-assembly shown in Figure 2.

Fig. 5 is the stereogram after cable-assembly shown in Figure 2 is removed insulating body and baffle first.

Fig. 6 is the stereogram on Fig. 5 cable-assembly other direction.

Fig. 7 comprises stereogram on the other direction of baffle first for Fig. 5 cable connector assembly.

[embodiment]

Figure 1 shows that the cable-assembly 1 of the utility model one preferred embodiment, and butt connector 2.Usually, butt connector 2 is installed in (not shown) on the circuit board, and a cable-assembly 1 and an electronic component such as hard disk drive (HDD, not shown) link to each other, thereby forms an electronic system, electrically connects circuit board and electronic component.

See also Fig. 2, cable-assembly 1 comprises insulating body 11, somely be contained in these insulating body 11 conducting terminals 12, be fixed in metal baffle 30 (consulting Fig. 3) on the insulating body 11, be immobilizated in adapter 4 in the baffle 30, run through the sleeve 6 that adapter 4 extends to the electric wire cable 5 in the baffle 30 and adapter 4 and electric wire cable 5 are firmly connected together.Insulating body 11 is provided with an interface 110 towards connector 2, and the opposite end of this insulating body 11 is respectively equipped with two projections 112, cooperates with two grooves 22 on the connector 2 opposite end walls, thereby cable-assembly 1 firmly is connected with butt connector 2.The bending part of each conducting terminal 12 by its rear end electrically connects with the respective wire 50 of electric wire cable 5 respectively, and this bending part is coated on the conductive cores of lead 50.All leads 50 of one EMI suppression cable housing, 51 covered electric cable cables 5, cable housing 51 itself then is coated in the insulation crust (not shown).

See also Fig. 3, metal baffle 30 is bent to form by metal sheet stamping, and it comprises first 31 and the second portion 32 that is connected with this first 31.

First 31 comprises two relative first end walls 310, first roof 312, and the first side wall 314 that interconnects with first end wall 310 and first roof 312.Be provided with some recesses 3100,3120 on first end wall 310 and first roof 312 separately, the first side wall 314 extends back and is provided with first tongue 3140.When metal baffle 31 is connected on the insulating body 11, the interface 110 concordant (referring to Fig. 1) of this first tongue 3140 and insulating body 11

Second portion comprises two relative second end walls 320, second roof 322, diapire 325, and second sidewall 324 that interconnects with second end wall 320 and second roof 322, be provided with some protrudingly 3200,3220 on second end wall 320 and second roof 322 separately, extend downwards from diapire 325 and to be provided with second tongue 3250.When metal baffle 30 is connected on the insulating body 11, the interface 110 concordant (with reference to figure 1) of this second tongue 3250 and insulating body 11.Second sidewall 324 is provided with second opening 3242 in the middle, is respectively equipped with through hole 3244 in the relative both sides of this second opening 3242.

During first, second part 31,32 windings, projection 3200 is snapped in recess 3100, first, second end wall 310,320 is clasped, projection 3220 is snapped in recess 3120, and first, second roof 312,322 is clasped.These first, second part 31,32 combinations form a receiving space jointly within it, insulating body 11 is contained in it, this receiving space is provided with first opening (not indicating) towards insulating body 11, and the opening 3242 on second portion 32 sidewalls 324 is called second opening.

Consult Fig. 4, adapter 4 is made by hard metal, and it comprises that base portion 40 reaches from the vertically extended forward column connecting portion 41 of this base portion.Be provided with access opening 42 in this adapter 4, extend through the bottom surface 402 of base portion 40 from the front end of connecting portion 41 always, the diameter of this access opening 42 is slightly little than the diameter of second opening 3242 of baffle 30, and is slightly larger than the diameter of the EMI suppression cable housing 51 of electric wire cable 5.Be respectively equipped with two positioning through hole 43 in the relative both sides of connecting portion on the base portion 40, when 4 groups of adapters are gone in the metal baffle 30, match in the hole 3244 of this positioning through hole 43 and metal baffle 30 second portions.

Especially consult Fig. 2, two securing members 46 insert and run through the positioning through hole 43 of adapter 4 and the hole 3244 on the baffle 30, thereby adapter 4 is fixed in the metal baffle 30.The external diameter of sleeve 6 is slightly larger than the external diameter of connecting portion 41 and the diameter of electric wire cable 5, and electric wire cable 5 extensible this sleeves 6 that run through make electric wire cable 5 firmly be connected with adapter 4.

Consult Fig. 5, Fig. 6 and Fig. 7, during assembly line cable assembly 1, at first, adapter 4 is inserted the second portion 32 of metal baffle 30, second opening 3242 that passes second portion 32 is extended in the coupling part 41 of adapter 4, its base portion 40 butts second sidewall 324, and fixedly be contained between the diapire 325 and second roof 312; Second, sleeve 6 slidably is socketed on outside the electric wire cable 5, electric wire cable 5 extends through the access opening 42 of adapter 4, and each lead 50 of electric wire cable inserts second portion 32, and the EMI suppression cable housing 51 that is positioned at the electric wire cable 5 of access opening 42 electrically is connected to the inwall of connecting portion 41; The 3rd, securing member 46 is inserted through the hole 3244 of second sidewall 324 and the positioning through hole 43 of base portion 40, with firm connection second portion 32 and adapter 4, these securing member 46 free ends protrude in outside the bottom surface 402 of base portion 40, sleeve pipe 6 slidably is socketed on the connecting portion 41 along the electric wire cable, until one end and sidewall 324 butts; The 4th, insulating body 11 inserts second portions 32, and its each conducting terminal 12 all with 51 corresponding joining of an electric wire cable lead; At last, projection 3200 snaps in recess 3100, makes first, second end wall 310,320 mutual buckles, and projection 3220 snaps in recess 3120, makes first, second roof 312,322 mutual buckles, thereby first, second part 31,32 windings form metal baffle 30.

According to above description, the utility model provides several advantages, has overcome the deficiencies in the prior art.At first, electric wire cable 5 along extending in the connector 2 perpendicular to the installation direction of butt connector 2 on circuit board, has reduced the overall height of cable-assembly 1 by the middle part of metal baffle 30 second sidewalls 324; Secondly, because electric wire cable 5 inserts in the butt connector 2 from second opening 3242 at baffle 30 second sidewalls 324 middle parts, electric wire cable lead 50 in the insulating body 11 can be with respect to second opening, 3242 symmetric arrangement, therefore, lead 50 can be symmetrically joins with the conducting terminal 12 of insulating body 11, thereby has guaranteed the synchronized model and the accuracy of high speed transmission of signals; In addition, adapter 4 can guarantee that not only electric wire cable 5 is connected with the firm of metal baffle 30, can also guarantee the electric connection of EMI suppression cable housing 51 with the metal baffle 30 of electric wire cable 5, thereby in connector 2 and electric wire cable 5, set up EMI suppression protection completely; Moreover; see also Fig. 1; butt connector 2 also has a metal shielding casing 20; the peripheral part of this shielding casing 20 extends and forms guide rib 21; be convenient to cable-assembly 1 is inserted connector 2; when cable-assembly 1 inserts butt connector 2; projection 112 on the insulating body 11 is accommodated in the groove 22 that is matched with butt connector 2; first, second tongue 3140,3250 of metal baffle 30 is connected with shielding casing 20, has finally set up good EMI suppression protection in cable-assembly 1 and butt connector 2.

Claims (8)

1. cable-assembly, comprise insulating body and metal baffle, wherein contain plurality of conductive terminals in the insulating body, the metal baffle has a receiving space, insulating body is contained in this receiving space, it is characterized in that: a longitudinally side wall of metal baffle is provided with an opening, this cable-assembly has an adapter, this adapter comprises base portion and connecting portion, base portion is contained in the receiving space of metal baffle, connecting portion extends the metal baffle from base portion from the opening on the baffle sidewall, be provided with access opening in this adapter, one electric wire cable runs through the receiving space that this access opening extends to the metal baffle, and electrically connects with conducting terminal in the insulating body.

2. cable-assembly as claimed in claim 1 is characterized in that: the metal baffle comprises first, second part, and second portion engages the common described receiving space that forms with first.

3. cable-assembly as claimed in claim 2 is characterized in that: described opening is formed at the sidewall middle part of baffle second portion.

4. cable-assembly as claimed in claim 3 is characterized in that: the sidewall of metal baffle is provided with the hole at contiguous its opening part, and the base portion of adapter is provided with positioning through hole, matches with the hole on the metal baffle sidewall; One securing member extends through hole on the metal baffle sidewall and the positioning through hole on the base portion, and adapter is immobilizated in the metal baffle.

5. as claim 1 or 4 described cable-assemblies, the access opening of adapter runs through adapter from connecting portion and extends to its base portion,

6. cable-assembly as claimed in claim 1 is characterized in that: the electric wire cable wrap is drawn together some leads, and these leads are coated by an anti-electromagnetic interference cable housing.

7. cable-assembly as claimed in claim 6 is characterized in that: the access opening diameter of adapter is big slightly than the diameter of the anti-electromagnetic interference cable housing of electric wire cable, and its inwall electrically contacts with anti-electromagnetic interference cable housing.

8. as claim 1 or 7 described cable-assemblies, it is characterized in that: this cable-assembly further comprises a sleeve, and this jacket casing is connected on adapter and the electric wire cable, and the sidewall of butt metal baffle also coats the connecting portion of adapter and to small part electric wire cable.

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