CN201122677Y

CN201122677Y - Electric connector

Info

Publication number: CN201122677Y
Application number: CNU2007200591651U
Authority: CN
Inventors: 李秀东
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2007-11-05
Filing date: 2007-11-05
Publication date: 2008-09-24
Anticipated expiration: 2017-11-05

Abstract

The utility model relates to an electrical connector, which comprises an insulating main body and a shielding casing body, wherein the insulating main body is provided with a plurality of containing grooves, and a plurality of conductive terminals are contained in the containing grooves, the shielding casing body is sleeved on the insulating main body, the shielding casing body is provided with a side wall, which is encircled to form a butting joint frame, the butting joint frame is provided with a front edge at an inserting end of a butting joint element, and the front edge is provided with at least a dome sheet. In the electrical connector, a dome sheet structure arranged at the front edge of the butting joint frame of the shielding casing body is arranged to replace a fool-proof structure arranged on the insulating main body to perform the function of fool-prevention, thus a great deal of material is saved, and the cost is saved. In addition, the width of the electrical connector is also reduced, which is favorable for miniaturization.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector.

[background technology]

Maturation gradually along with digital market, various electronic products are come into people's life gradually, and relate to various fields on a large scale with a kind of speed more rapidly, along with the continuous development of science and technology and the continuous progress of society, computer is more and more universal, nowadays computer has become widely known electronic product, and becomes an indispensable part in people's life.Under the promotion of technology trends, these electronic products are constantly to lightening, miniaturization and portable development, and these variations meet the theory that people are convenient for carrying electronic product just, and simultaneously, people require also constantly to improve to the function and the serviceability of electronic product.Under the drive of these development trends, the electronic product that each Electronics Factory commercial city is little at the research volume of doing one's utmost, function many and performance is good is to seize more market.But problem is also following, concerning each electronics firm, how just can obtain higher profit, has become a big problem that needs to be resolved hurrily.

As shown in Figure 1, the electric connector of a kind of SATA (Serial Advanced TechnologyAttachment crossfire advanced technology is attached) type of generally using for present industry, it comprises shielding casing 4 and the insulating body 5 that is installed in the shielding casing 4, because the two ends of insulating body 5 are provided with error-

proof structure

50 and 51, so relatively expend the material of plastics, error-

proof structure

50 and 51 existence simultaneously can increase the width of the docking port 40 of shielding casing 4, therefore also will expend more metal material, and be unfavorable for miniaturization.

Therefore, be necessary to invent a kind of new electric connector, to overcome above-mentioned defective.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector of saving material and being beneficial to miniaturization.

The utility model electric connector comprises: an insulating body is provided with most accepting grooves; Multi-conducting terminals is contained in the described accepting groove; And a shielding casing, being sheathed on the described insulating body, described shielding casing is provided with sidewall and surrounds and forms an interface frame, mating frame, and described interface frame, mating frame has a leading edge in the abutment element insertion end, and described leading edge is provided with at least one shell fragment.

The utility model electric connector is provided with elastic piece structure by the interface frame, mating frame leading edge at shielding casing and replaces being provided with error-proof structure come fool proof on insulating body, can save wide variety of materials like this, thereby provide cost savings.And also reduced the width of electric connector, helped miniaturization.

[description of drawings]

Fig. 1 is the stereogram of existing a kind of electric connector;

Fig. 2 is the three-dimensional exploded view of the utility model electric connector;

Fig. 3 is the stereogram of the shielding casing of electric connector shown in Figure 2;

Fig. 4 is the stereogram of another angle of shielding casing shown in Figure 3;

Fig. 5 is the stereogram of the insulating body of electric connector shown in Figure 2;

Fig. 6 is the stereogram of another angle of insulating body shown in Figure 5;

Fig. 7 is the stereogram of the conducting terminal of electric connector shown in Figure 2;

Fig. 8 is the three-dimensional cutaway view that is equiped with the insulating body of conducting terminal;

Fig. 9 is the three-dimensional combination figure of the utility model electric connector.

[embodiment]

Below in conjunction with accompanying drawing the utility model electric connector is described further.

Please refer to Fig. 2, the utility model electric connector comprises shielding casing 1, insulating body 2 and conducting terminal 3, and insulating body 2 installings are fixed in the shielding casing 1, and conducting terminal 3 installings are fixed in the insulating body 2.

Please refer to Fig. 3 and Fig. 4, shielding casing 1 is provided with relative top and

bottom sidewall

10,11 and relative left and

right sides sidewall

12,13, four side walls enclose form and can be used to accommodate insulating body 2 and be used to peg graft abutment element (not shown) for the interface frame, mating frame 14 of butt connector grafting.Shielding casing 1 also is provided with a leading edge 15 and a trailing edge 16.

Upper side wall 10 is provided with two first identical shell fragments 100 and two first identical square holes 101, and shell fragment 100 extends near leading edge 15 and in interface frame, mating frame 14, and square hole 101 is near trailing edge 16.The position of corresponding two first square holes 101 is provided with two second identical square holes 110 on the lower wall 11.Be respectively equipped with the second relative shell fragment 120 on left side wall 12 and the right side wall 13, it is near also extension to interface frame, mating frame 14 in of leading edge 15.

The leading edge 15 of shielding casing 1 is positioned at the end that interface frame, mating frame 14 inserts abutment element (not shown), and it comprises relative upper limb and lower edge 150,151 and relative first left border and first right border 152,153.Upper limb 150 is respectively equipped with the first relative guidance part 154 with lower edge 151, respectively towards both sides extension up and down.Also be respectively equipped with the second relative guidance part 155 on left border and the right border 152,153, extend towards the right and left respectively.First guidance part 154 and second guidance part 155 are used to guide abutment element (not shown) and insert interface frame, mating frame 14.Upper limb also is provided with lower edge 150,151 and is respectively equipped with the 3rd relative shell fragment 156, and when abutment element (not shown) was inserted interface frame, mating frame 14, the 3rd shell fragment 156 was used for fool proof.The 3rd shell fragment 156 comprises the kink 157 that is approximately perpendicular to upper side wall 10 and extends to form extension 158 perpendicular to kink 157 by the right side of kink 157 ends towards right border 152.The setting of extension 158 can increase the width of the 3rd shell fragment 156, with the fool proof effect of reinforcement shell fragment 156, and makes abutment element (not shown) insert in the electric connector more stably.

The trailing edge 16 of shielding casing 1 comprises second left border and second right border 160,161.Second left border 160 and first left border 152 are positioned at the same side, and second right border 161 and first right border 153 are positioned at the same side.Second left border is respectively equipped with relative and a resilient prongs 162 that extend towards the outside of interface frame, mating frame 14 with second right border 160,161, for fixing to (not shown) on the circuit board.Resilient prongs 162 comprises a base portion 163 and a holding section 164 that is extended to form by base portion 163 vertical bendings, electric connector can be fixed in (not shown) on the circuit board.The base portion 163 of two resilient prongs 162 is approximately perpendicular to left and

right sidewall

12,13 respectively.Holding section 164 is provided with two relative support arms 165, and support arm 165 is provided with card holding structure 166.Because resilient prongs 162 is a bending structure, can change the position of the jack that is used for inserted elastic pin 162 on the circuit board in the utility model, so just avoided using the inconvenience that brings.

Please refer to Fig. 5 and Fig. 6, insulating body 2 installings are fixed in the interface frame, mating frame 14 of shielding casing 1, and it comprises a main part 20 and the hyoplastron 21 that is extended by main part 20 front ends 200.

Main part 20 have a upper surface 201 and with upper surface 201 opposing lower surface 202, upper surface 201 is provided with two first identical projections 22, position also is provided with a groove 23 in the middle of it, and the position of corresponding first projection 22 is provided with two second projections 24 on the lower surface 201.Two first projections 22 and two second projections 24 can correspondingly respectively be fastened in two first square holes 101 and two second square holes 110 of shielding casing 1.

Hyoplastron 21 comprise a plate-like portion 210 and with left end that is positioned at plate-like portion 210 and the rib 211 vertical with plate-like portion 210, when abutment element (not shown) was inserted interface frame, mating frame 14, rib 211 was used for fool proof.The bottom surface 212 of plate-like portion 210 is provided with accepting groove 213, be used to accommodate conducting terminal 3, it leads to the rear end of insulating body 2 from the front end of body 2 of insulating, and accepting groove 213 forms relative two and fix grooves 214 in the rear end of insulating body 2, is used to fix conducting terminal 3.

Please refer to Fig. 7 and Fig. 8, conducting terminal 3 installings are fixed in the insulating body 2.It comprises head 30 and terminal supportor 31.Head 30 comprises contact site 32 and is positioned at the connecting portion 33 of contact site 32 rear ends.Connecting portion 33 is provided with the clamping structure 34 in the fixing groove 214 that is fastened on the insulating body 2.Described terminal supportor 31 comprises with the weld part 35 of head 30 skew certain distances and is connected the transition part 36 of connecting portion 33 and weld part 35.

Please refer to Fig. 8 and Fig. 9, during assembling, at first conducting terminal 3 installings are fixed in the accepting groove 213 of insulating body 2, make the head 30 of conducting terminal 3 be positioned at accepting groove 213, terminal supportor 31 is revealed in insulating body 2 outsides, and the terminal supportor 31 that is positioned at the conducting terminal of the first, the 4th and the 7th position in the conducting terminal 3 is positioned at same straight line, is positioned at second, third, the terminal supportor 31 of the conducting terminal of the 5th and the 6th position is positioned at same straight line.And make the clamping structure 34 of conducting terminal 3 hold and be fixed in the fixing groove 214 on the insulating body 2.

Insulating body 2 installings that will be equiped with conducting terminal 3 then are fixed in the interface frame, mating frame 14 of shielding casing 1.Make on the insulating body 2 first projection 22 and second projection 24 is corresponding respectively is fastened in two first square holes 101 and two second square holes 110 of shielding casing 1.

When abutment element (not shown) is inserted interface frame, mating frame 14, under first guidance part 154 and second guidance part, 155 guide functions that shielding casing 1 leading edge 15 is provided with, abutment element (not shown) is inserted interface frame, mating frame 14, makes two first shell fragments 100 and two second shell fragments 120 be held in abutment element (not shown) respectively.The rib 211 that the hyoplastron 21 of insulating body 2 is provided with can prevent that abutment element (not shown) is counter and insert in the interface frame, mating frame 14.The 3rd shell fragment 156 that shielding casing 1 leading edge 15 is provided with can prevent equally also that abutment element (not shown) is counter and insert in the interface frame, mating frame 14, and the 3rd the extension 158 that is provided with of shell fragment 156 can increase by the 3rd shell fragment 156 width to block abutment element (not shown) thus prevent that it is loosening, and make more firm the docking of abutment element with electric connector.

Compared with prior art, the utility model electric connector is owing to use a shielding casing, and be provided with elastic piece structure in the interface frame, mating frame leading edge of shielding casing, when abutment element is plugged in the electric connector, shell fragment can play foolproof function, and the extension that is provided with of the shell fragment width that can increase shell fragment to be strengthening the fool proof effect of shell fragment, and can make abutment element insert in the electric connector more stably.The extension of the 3rd shell fragment extends towards the right border of shielding casing, can make kink far away from sidewall, so that punch forming.

In addition, owing to used shielding casing, and shielding casing has shielding action, thus electric connector be used in when calculator obtains miscellaneous equipment both can be external also can be built-in.

And the width of the employed shielding casing of the utility model electric connector reduced, compared to existing technology in employed shielding casing, the utility model helps miniaturization more.And the resilient prongs that the shielding casing rear end is provided with is owing to be bending structure, so just, need not change on the circuit board the fixedly position of the jack of resilient prongs, so the utility model electric connector can mate the circuit board of specification, therefore can avoid using the inconvenience that brings.

Because the utility model electric connector has used a kind of insulating body relatively simple for structure,, therefore can save a lot of materials, thereby reduce cost again with the error-proof structure on the replacement of the error-proof structure on the shielding casing insulating body.

Claims

1. an electric connector is characterized in that, comprising:

One insulating body is provided with most accepting grooves;

Multi-conducting terminals is contained in the described accepting groove; And

One shielding casing is sheathed on the described insulating body, and described shielding casing is provided with sidewall and surrounds and forms an interface frame, mating frame, and described interface frame, mating frame has a leading edge in the abutment element insertion end, and described leading edge is provided with at least one shell fragment.

2. electric connector as claimed in claim 1 is characterized in that: described shell fragment and described sidewall approximate vertical.

3. electric connector as claimed in claim 1 is characterized in that: the extension that described shell fragment is provided with a kink and is formed by the further vertical extent of described kink one side.

4. electric connector as claimed in claim 3, it is characterized in that: described leading edge has relative upper limb and lower edge and relative left border and right border, described kink is extended to form by an end of described upper limb or lower edge, and described extension is further extended to form towards described end by described kink end.

5. electric connector as claimed in claim 1 is characterized in that: described shell fragment is two, and is oppositely arranged on the same side of described leading edge.

6. electric connector as claimed in claim 1 is characterized in that: described shielding casing further is provided with at least one resilient prongs.

7. electric connector as claimed in claim 6 is characterized in that: described resilient prongs is provided with a base portion that extends towards the outside of described interface frame, mating frame and a holding division that is extended to form by the further vertical bending of described base portion.

8. electric connector as claimed in claim 7 is characterized in that: described holding division is provided with two relative support arms.

9. electric connector as claimed in claim 6 is characterized in that: described interface frame, mating frame also has a trailing edge, and described resilient prongs is formed by described trailing edge extension.

10. electric connector as claimed in claim 9 is characterized in that: described trailing edge has relative left border and right border, and described resilient prongs is two, and is oppositely arranged on described left border and right border.

11. electric connector as claimed in claim 1 is characterized in that: described insulating body comprises a main part and the hyoplastron that is extended to form by described main part, and described accepting groove is positioned at a side of described hyoplastron.