CN203466377U

CN203466377U - Cable connector assembly

Info

Publication number: CN203466377U
Application number: CN201320562058.6U
Authority: CN
Inventors: 池宏; 李华兵
Original assignee: Shenzhen Luxshare Precision Industry Co Ltd
Current assignee: Wan An Xie Xun Electronics Co., Ltd.
Priority date: 2013-09-10
Filing date: 2013-09-10
Publication date: 2014-03-05
Anticipated expiration: 2023-09-10

Abstract

The utility model relates to a cable connector assembly. The cable connector assembly comprises an insulation body, a plurality of conductive terminals accommodated in the insulation body and a cable electrically connected with the conductive terminals. A front end of the insulation body is concavely provided with an insertion hole. Each conductive terminal comprises a fixing part fixed in the insulation body, a contact part extending forwardly from the fixing part into the insertion hole and a connecting part extending backwardly from the fixing part. The conductive terminals comprise at least a pair of difference signal terminals and at least a grounding terminal. The cable comprises a plurality of difference signal conductors, insulators, conductive shielding layers and outer coatings; and the insulators, the conductive shielding layers and the outer coatings are successively wrapped outside the signal conductors. The signal conductors are electrically connected with the connecting parts of the difference signal terminals one by one, and the shielding layers are electrically connected with connecting parts of the grounding terminals. According to the cable connector assembly, grounding conductors do not need to be arranged, material cost of a cable is reduced, and the cable is thin and soft.

Description

Micro coaxial cable connector assembly

Technical field

The utility model relates to a kind of micro coaxial cable connector assembly, relates in particular to a kind of micro coaxial cable connector assembly with earth terminal.

Background technology

Raising along with CPU technology, network technology, the parallel advanced techniques of existing employing connects (Parallel Advanced Technology Attachment, be abbreviated as PATA, referred to as Parallel ATA) data transmission bauds of the hard disk of interface become the bottleneck of restriction development of computer.For addressing this problem, relevant manufacturer has developed employing serial advanced technology and has connected (Serial Advanced Technology Attachment, be abbreviated as SATA) hard-disk interface, compare with above technology, maximum difference can check transfer instruction, if find wrong can automatically correction, this has improved the reliability of transfer of data in a lot of degree.That serial line interface also has advantages of is simple in structure, support hot plug, transmission rate is fast.The micro coaxial cable connector assembly that meets at present SATA interface protocol comprises insulating body, the cable that is contained in the some conducting terminals in insulating body and welds together with conducting terminal, the total quantity of conducting terminal is seven, comprise two pairs of difference signal terminal and be positioned at the earth terminal of every a pair of difference signal terminal both sides, cable is wrapped two pairs of differential signal conductors and three earthing conductors, weld together one by one with corresponding conducting terminal, number of conductors in cable is more, cause cable dimensions larger, complicated with the welding process of conducting terminal, be unfavorable for production control cost.

Utility model content

The purpose of this utility model has been to provide a kind of micro coaxial cable connector assembly that reduces cable material cost.

For realizing aforementioned object, the utility model adopts following technical scheme: a kind of micro coaxial cable connector assembly, it comprises insulating body, the cable that is contained in the some conducting terminals in insulating body and is electrically connected with conducting terminal, described insulating body front end is concaved with spliced eye, described conducting terminal comprises the fixed part being fixed in insulating body, self-retaining portion extends forwardly to the connecting portion that contact site in spliced eye and self-retaining portion extend back, described conducting terminal comprises at least one pair of difference signal terminal and at least one earth terminal, described cable comprises some differential signal conductors and is wrapped in successively the insulator in signal conductor outside, conductive shielding layer, outer quilt, the connecting portion of signal conductor and difference signal terminal is electrically connected one by one, the connecting portion of described screen and earth terminal is electrically connected.

As further improvement of the utility model, the aluminium foil that described screen is two-sided conduction or Copper Foil.

As further improvement of the utility model, the connecting portion riveting of described signal conductor and difference signal terminal or weld together.

As further improvement of the utility model, the connecting portion riveting of described screen and earth terminal or weld together.

As further improvement of the utility model, between described adjacent two earth terminals, be placed with a pair of difference signal terminal, the connecting portion of this two earth terminal extends back over the connecting portion of difference signal terminal, and the clinch extending by left and right is connected, screen and clinch contact.

As further improvement of the utility model, before and after described clinch and difference signal terminal, separate, clinch is bent with the deep-slotted chip breaker of accommodating screen.

As further improvement of the utility model, described earth terminal is three, between every adjacent two earth terminals, be placed with a pair of difference signal terminal, the clinch that the connecting portion of every adjacent two earth terminals extends by left and right is connected, observe along the vertical direction, these three earth terminal integral body are " E " font.

As further improvement of the utility model, described wire and cable connector also comprises the collets that are assembled on insulating body, described insulating body is provided with the isolated some projections in left and right, described insulating body rear end is concaved with the accepting groove connecting with spliced eye front and back, the fixed part of conducting terminal is fixed in corresponding accepting groove one by one, and described projection is plugged in accepting groove and compresses fixed part.

As further improvement of the utility model, described connection connector assembly meets SATA interface protocol.

As further improvement of the utility model, described cable is platypelloid type, and every a pair of signal conduction outside is enclosed with one deck screen.

The utility model micro coaxial cable connector assembly is electrically connected by the screen of cable and the connecting portion of earth terminal, earth terminal and screen form grounded circuit, simplify welding process, and micro coaxial cable connector assembly is without earthing conductor is set, reduced the material cost of cable, cable more carefully, softer.

Accompanying drawing explanation

Fig. 1 is the three-dimensional combination figure of the utility model micro coaxial cable connector assembly.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model micro coaxial cable connector assembly.

Fig. 3 is the three-dimensional exploded view of the utility model micro coaxial cable connector assembly.

Fig. 4 is the three-dimensional exploded view of another angle of the utility model micro coaxial cable connector assembly.

Fig. 5 is the cutaway view of the utility model micro coaxial cable connector assembly cable.

Embodiment

Refer to shown in Fig. 1 to Fig. 5, the utility model micro coaxial cable connector assembly 100 meets SATA interface protocol, and it comprises insulating body 10, be contained in some conducting terminals 20 in insulating body 10, be assembled in the collets 30 of insulating body 10 rear ends and the cable 30 being electrically connected with conducting terminal 20.

Insulating body 10 front ends are concaved with spliced eye 11, and rear end is concaved with the some accepting grooves 12 that connect with spliced eye 11 front and back.

Conducting terminal 20 is seven, comprises two pairs of difference signal terminal 201 and three earth terminals 202, and every a pair of difference signal terminal 201 is between adjacent two pairs of earth terminals 202.Each conducting terminal 20 comprises the contact site 22 that fixed part 21, self-retaining portion 21 extend forward, the connecting portion 23 that self-retaining portion 21 extends back, the connecting portion 23 of earth terminal 202 extends back over the connecting portion 23 of difference signal terminal 201, the clinch 25 that the connecting portion 23 of every adjacent two earth terminals 202 extends by left and right is connected, clinch 25 separates with difference signal terminal 201 front and back, clinch 25 middle parts are bent with deep-slotted chip breaker 250 downwards, observe along the vertical direction, these three earth terminal 202 integral body are " E " font.Contact site 22 extends forwardly to insulating body 10 spliced eyes 11, and fixed part 21 is fixed in accepting groove 12.

Collets 30 have the some projections 32 that are plugged in insulating body 10 accepting grooves 12, and projection 32 separates between left and right, and projection 32 is pressed on conducting terminal 20 fixed parts 21 one by one, increase the fixed effect of conducting terminal 20 in insulating body 10.

Cable 40 is platypelloid type, it comprises the isolated two pairs of differential signal conductors 41 in left and right, wrap up successively the insulator 42 outside signal conductor 41, conductive shielding layer 43 and outer by 44, differential signal conductors 41 is protruded forward insulator 42, screen 43 and outer by 42 and with the connecting portion 23 of difference signal terminal 201 riveting or weld together one by one, two pairs of signal conductor 41 outsides are enclosed with one deck screen 43 separately, aluminium foil or Copper Foil that screen 43 is two-sided conduction, the outer of its front end divested by 42, insulator 42 and screen 43 front ends are positioned at the deep-slotted chip breaker 250 of clinch 25, screen 43 contacts with the clinch 25 of earth terminal 202, make earth terminal 202 and screen 43 form grounded circuit, simplify welding process, micro coaxial cable connector assembly 100 is without earthing conductor is set, reduced the material cost of cable 40, cable 40 is thinner, softer.Between earth terminal 202 and screen 43, can guarantee that both contact reliably by welding.

Although be example object, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize, in the situation that not departing from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.

Claims

1. a micro coaxial cable connector assembly, it comprises insulating body, the cable that is contained in the some conducting terminals in insulating body and is electrically connected with conducting terminal, described insulating body front end is concaved with spliced eye, described conducting terminal comprises the fixed part being fixed in insulating body, self-retaining portion extends forwardly to the connecting portion that contact site in spliced eye and self-retaining portion extend back, described conducting terminal comprises at least one pair of difference signal terminal and at least one earth terminal, described cable comprises some differential signal conductors and is wrapped in successively the insulator in signal conductor outside, conductive shielding layer, outer quilt, the connecting portion of signal conductor and difference signal terminal is electrically connected one by one, it is characterized in that: the connecting portion of described screen and earth terminal is electrically connected.

2. micro coaxial cable connector assembly according to claim 1, is characterized in that: the aluminium foil that described screen is two-sided conduction or Copper Foil.

3. micro coaxial cable connector assembly according to claim 1, is characterized in that: the connecting portion riveting of described signal conductor and difference signal terminal or weld together.

4. micro coaxial cable connector assembly according to claim 1, is characterized in that: the connecting portion riveting of described screen and earth terminal or weld together.

5. micro coaxial cable connector assembly according to claim 1, it is characterized in that: between described adjacent two earth terminals, be placed with a pair of difference signal terminal, the connecting portion of this two earth terminal extends back over the connecting portion of difference signal terminal, and the clinch extending by left and right is connected, screen and clinch contact.

6. micro coaxial cable connector assembly according to claim 5, is characterized in that: before and after described clinch and difference signal terminal, separate, clinch is bent with the deep-slotted chip breaker of accommodating screen.

7. micro coaxial cable connector assembly according to claim 1, it is characterized in that: described earth terminal is three, between every adjacent two earth terminals, be placed with a pair of difference signal terminal, the clinch that the connecting portion of every adjacent two earth terminals extends by left and right is connected, observe along the vertical direction, these three earth terminal integral body are " E " font.

8. micro coaxial cable connector assembly according to claim 1, it is characterized in that: described wire and cable connector also comprises the collets that are assembled on insulating body, described insulating body is provided with the isolated some projections in left and right, described insulating body rear end is concaved with the accepting groove connecting with spliced eye front and back, the fixed part of conducting terminal is fixed in corresponding accepting groove one by one, and described projection is plugged in accepting groove and compresses fixed part.

9. according to claim 1 to 8 micro coaxial cable connector assembly described in wherein, it is characterized in that: described connection connector assembly meets SATA interface protocol.

10. micro coaxial cable connector assembly according to claim 9, is characterized in that: described cable is platypelloid type, and every a pair of signal conduction outside is enclosed with one deck screen.