CN2259696Y

CN2259696Y - Shielded electric connector

Info

Publication number: CN2259696Y
Application number: CN96214448U
Authority: CN
Inventors: 赖金德; 张少良
Original assignee: Hon Hai Precision Industry Co Ltd
Current assignee: Hon Hai Precision Industry Co Ltd
Priority date: 1996-05-23
Filing date: 1996-05-23
Publication date: 1997-08-13
Anticipated expiration: 2006-05-23

Abstract

The utility model relates to a shielded electric connector. The shielded electric connector comprises a connector body, the center of the connector body is provided with an inserting part, and terminals are arranged in the inserting part. Both ends of the connector body comprise a first, a second, a third, a fourth end surfaces, wherein, the second end surface is provided with a third through hole; the fourth end surface is provided with a flute which is communicated with the third through hole and used for containing a circuit board. A screw cap with a screw hole is arranged in the third through hole, and a fastening component is fixed on the end part of the connector body. The fastening component comprises a U-shaped fastening body and a buckling claw part. The center of a long shielded component is provided with a shielded shell, both ends of the long shielded component are respectively provided with a long hole and a first through hole, and the shielded component is fixed on the connector body.

Description

Shielded electrical connector

The utility model relates to a kind of shielded electrical connector, and especially a kind of quality is controlled easily, the shielded electrical connector of low production cost.

See also Fig. 1, it is the three-dimensional exploded view of existing shielded electrical connector.This shielded electrical connector comprises a metal screen 31, a connector body 20, reaches a pair of retainer 23.Wherein, metal screen 31 is roughly microscler, and its central authorities are provided with a shielding case 35, and its two ends offer elongated hole 33 and through hole 32 respectively, and metal screen 31 upper and lower sides also offer button hole 36 simultaneously.Connector body 20 also is microscler basically, its central authorities are provided with a Plug Division 22, contain a plurality of terminals 24, respectively establish an accepting groove 25 in the both ends of this connector body 20, simultaneously be provided with catch 46, elongated slot 40 and deep-slotted chip breaker 42 in this end periphery, the position corresponding to metal screen 31 button holes 36 on this connector body 20 is provided with projection 34.The shape of retainer 23 is more irregular, and it roughly comprises a body, is provided with peristome 41, protuberance 46, screwed hole 45 on this body, and this body also extends a make-up pawl 26, offers location hole 43 in addition on protuberance 46.

During assembling, retainer 23 is housed in the accepting groove 25 and by catch 46 and fixes, and wherein detain pawl 26 and stretch out accepting groove 25, screwed hole 45 aligned through holes 32, peristome 41 aligns elongated slot 40, and protuberance 46 is contained in the deep-slotted chip breaker 42.Metal screen 31 covers connector body 20, make shielding case 35 can coat the Plug Division 22 of connector body 20, the button pawl 26 that button is held body 23 stretches out elongated hole 33, elongated hole 33 and through hole 32 align accepting groove 25, by projection 34 being fastened in the button hole 36 metal screen 31 is fixed on the connector body 20 simultaneously, the shielded electrical connector of finishing assembling can be installed on the circuit board 28, its peristome 41, elongated slot 40 be in order to containment circuit board 28, and it is fixing to utilize latch to pass the circular hole 48 of the location hole 43 of retainer 23 and circuit board 28 simultaneously then.

This electric connector has shielding and grounding function concurrently.When shielded electrical connector and the coupling of electric device (not shown); the electrostatic charge of human body inner accumulated can be communicated to earthed circuit on the circuit board 28 and the unlikely electric device that hurts through metal screen 31, retainer 23; electric connector after the coupling can be protected the normal transmission of its internal electrical signal by the shielding case 35 of its metal screen 31 on the other hand, can not be subjected to the interference of external electromagnetic wave signal.

Yet existing shield electric-connector has following shortcoming: when assembling, must guarantee the inner surface 31 of metal screen 31 ' with the contact-making surface 23 of retainer 23 ' contact, just can make electrostatic charge transfer to earthed circuit on the circuit board 28 through retainer 23 by metal screen 31, but cause because of manufacturing tolerance, the substandard products that loose contact is often arranged, the practice of factory is to eliminate substandard products with the finished product one-hundred-percent inspection, but this mode of production, waste great amount of manpower and material resources and time.

On the other hand, the screwed hole 45 of retainer 23 is in order to assembling screw (not shown), because existing screw has the difference of metric system, English system, for satisfying country variant, regional use habit, retainer 23 also must be produced two kinds of specifications, production management, storage etc. is all made troubles, worst be that the retainer 23 of this shape must be made with casting die, add to producing two kinds of specifications and must open two molds, its production cost is inevitable not low.

The purpose of this utility model provides a kind of shielded electrical connector, is applicable to connecting circuit plate and electric component, and its quality is controlled easily, and production cost is low.

The purpose of this utility model is to realize like this, a kind of shielded electrical connector promptly is provided, be used for connecting circuit plate and electric component, it comprises, microscler connector body, above-mentioned connector body central authorities are provided with a Plug Division, in a plurality of terminals are arranged, above-mentioned connector body both ends periphery comprises first end face respectively, second end face, the 3rd end face and the 4th end face, wherein above-mentioned first end face is relative with above-mentioned the 3rd end face, above-mentioned second end face is relative with above-mentioned the 4th end face, and above-mentioned second end face and above-mentioned plugging position are in same one side of above-mentioned connector body, on above-mentioned second end face, be provided with a third through-hole, offer a groove in order to ccontaining foregoing circuit plate on above-mentioned the 4th end face, and above-mentioned groove be connected with above-mentioned third through-hole; Nut is arranged in the above-mentioned third through-hole, and is provided with a screwed hole in the above-mentioned nut; Retainer, be fixed on the end of above-mentioned connector body, above-mentioned retainer comprise the button of a Qian font hold body and one the button claw, above-mentioned button is held body and is comprised a dual side-edge and a common edge, be provided with second through hole in above-mentioned common edge, and above-mentioned second through hole aligns above-mentioned screwed hole, and above-mentioned button claw is extended by above-mentioned common edge and bends to the button pawl endways; One microscler shielding part, above-mentioned shielding part central authorities are provided with shielding case, two ends offer the elongated hole and first through hole respectively, above-mentioned shielding part is packed on the above-mentioned connector body, make above-mentioned shielding case cover on the Plug Division of above-mentioned connector body, above-mentioned first through hole aligns above-mentioned second through hole, and above-mentioned button claw passes above-mentioned elongated hole.

The advantage of shielded electrical connector of the present utility model is that it simplifies production technology, and quality is easy to control, and production cost is low.

Below in conjunction with description of drawings embodiment of the present utility model, wherein:

Fig. 1 is the three-dimensional exploded view of existing shield electric-connector and circuit board;

Fig. 2 is the three-dimensional exploded view of the utility model shielded electrical connector and circuit board;

Fig. 3 is that the utility model shielded electrical connector is installed in the constitutional diagram on the circuit board.

See also Fig. 2, wherein identical with Fig. 1 part is marked with identical number.Shielded electrical connector of the present utility model comprises a connector body 20, a metal screen 31, a pair of nut 61, reaches a pair of retainer 71.

Metal screen 31 is roughly microscler, and its central authorities are provided with a shielding case 35, and its two ends are offered the elongated hole 33 and first through hole 32 respectively, and metal screen 31 upper and lower sides are also offered button hole 36 simultaneously.Connector body 20 also is microscler, and its central authorities are provided with a Plug Division 22, in a plurality of terminals 24 are arranged.And the both ends periphery of this connector body 20 respectively by first end face 81, second end face 82, the 3rd end face 83, and the 4th end face 84 form.Wherein first end face 81 is relative with the 3rd end face 83, second end face 82 is relative with the 4th end face 84, and second end face 82 and Plug Division 22 are positioned at same one side of this connector body 20, on second end face 82, be formed with a depressed part 63, in this depressed part 63, be provided with a third through-hole 64, four end face 84 relative with this second end face 82 offered a groove 66, and this groove 66 is connected with this third through-hole 64.Because first end face 81 is identical with the 3rd end face 83 situations, so be that example illustrates with first end face 81 only.On first end face 81, be provided with a fixed block 62 and one first location hole 65, and first location hole 65 is connected with above-mentioned groove 66.

Retainer 71 comprise a button that roughly is the Qian font hold body and one the button claw 94, wherein, this button is held body and is comprised a symmetrical dual side-

edge

91,93 and a common edge 92, on this common edge 92, be provided with second through hole 77, this button melon portion 94 is extended by common edge 92 simultaneously, bends to a make-up pawl 72 at its end.On above-mentioned

side

91,93, offer the fixing hole 75 and second location hole 74 respectively, and to extend an elastic arm 73 with these button claw 94 equidirectionals, it is noted that elastic arm 73 extends the plane that slightly surpasses common edge 92 places, above-mentioned

side

91,93 is to extend a pair of hook part 76 with above-mentioned button claw 94 rightabouts.

Shielded electrical connector of the present utility model also comprises a pair of nut 61, in nut 61, be provided with a screwed hole 67, during assembling screwed hole 67 is aligned the third through-hole 64 of connector body 20, then depressed part 63 is put into and filled up to nut 61, then with retainer 71 respectively by pack into the both ends of connector body 20, both sides, wherein second through hole 77 aligns screwed hole 67, second location hole 74 aligns first location hole 65, fixed block 62 embeds in the fixing hole 75 and hook part 76 fastener grooves 66 inner edges are fixed on the connector body 20 retainer 71, at last metal screen 31 is installed on the connector body 20, wherein first through hole 32 aligns second through hole 77, the button claw 94 of retainer 71 passes elongated hole 33, and the projection 34 embedding button holes 36 of electrical connector body 20 make metal screen 31 fixing.

The shielded electrical connector that assembles can be installed on the circuit board 28, wherein the groove 66 of connector body 20 is in order to containment circuit board 28, utilize latch to pass second location hole 74 of retainer 71 simultaneously then, first location hole 65 of connector body 20 and the circular hole 48 of circuit board 28 fix, and it installs situation as shown in Figure 3.

Shielded electrical connector of the present utility model can improve the shortcoming of existing shielded electrical connector fully.At first, because the elastic arm 73 of retainer 71 extends the plane that slightly exceeds common edge 92 places, so when metal screen 31 is installed on the connector body 20, its inner surface 31 ' must contact (elastic arm 73 can slightly be suppressed) with elastic arm 73, therefore do not have the problem of loose contact, even a large amount of production do not need one hundred percent inspection yet, perhaps also can get a protuberance 99 again with button claw 94 joints in the common edge 92 of retainer 71, in order to contacting with the edge 331 of metal screen 31 elongated holes 33 in when assembling, its purpose also is to guarantee being electrically connected of metal screen 31 and retainer 71.Secondly, shielded electrical connector of the present utility model adopts has the nut 61 of screwed hole 67, no matter be that the nut of metric system or inch screw thread all can be equipped with, it is cheap to add nut, as long as buy on demand, can assemble, very convenient.Retainer 71 adopts punch forming in addition, reduces cost than the casting die mode of production.

Claims

1, a kind of shielded electrical connector, be used for connecting circuit plate and electric component, it is characterized in that it comprises, microscler connector body, above-mentioned connector body central authorities are provided with a Plug Division, in a plurality of terminals are arranged, above-mentioned connector body both ends periphery comprises first end face respectively, second end face, the 3rd end face and the 4th end face, wherein above-mentioned first end face is relative with above-mentioned the 3rd end face, above-mentioned second end face is relative with above-mentioned the 4th end face, and above-mentioned second end face and above-mentioned plugging position are in same one side of above-mentioned connector body, on above-mentioned second end face, be provided with a third through-hole, offer a groove in order to ccontaining foregoing circuit plate on above-mentioned the 4th end face, and above-mentioned groove is connected with above-mentioned third through-hole; Nut is arranged in the above-mentioned third through-hole, and is provided with a screwed hole in the above-mentioned nut; Retainer, be fixed on the end of above-mentioned connector body, above-mentioned retainer comprise the button of a Qian font hold body and one the button claw, above-mentioned button is held body and is comprised a dual side-edge and a common edge, be provided with second through hole in above-mentioned common edge, and above-mentioned second through hole aligns above-mentioned screwed hole, and above-mentioned button claw is extended by above-mentioned common edge and bends to the button pawl endways; One microscler shielding part, above-mentioned shielding part central authorities are provided with shielding case, two ends offer the elongated hole and first through hole respectively, above-mentioned shielding part is packed on the above-mentioned connector body, make above-mentioned shielding case cover on the Plug Division of above-mentioned connector body, above-mentioned first through hole aligns above-mentioned second through hole, and above-mentioned button claw passes above-mentioned elongated hole.

2, shielded electrical connector as claimed in claim 1, it is characterized in that, on second end face of above-mentioned connector body, form a depressed part, and above-mentioned third through-hole is located in the above-mentioned depressed part above-mentioned depressed part and ccontaining above-mentioned nut of above-mentioned third through-hole while.

3, shielded electrical connector as claimed in claim 1 or 2 is characterized in that, above-mentioned button is held the side of body to extend an elastic arm above plane, above-mentioned common edge place respectively with above-mentioned button claw equidirectional, and this elastic arm is suppressed by above-mentioned shielding part.

4, shielded electrical connector as claimed in claim 3 is characterized in that, the common edge of above-mentioned retainer is provided with a protuberance that contacts with above-mentioned metal screen with button claw joint.

5, shielded electrical connector as claimed in claim 4, it is characterized in that, offer fixing hole on the above-mentioned retainer side, be respectively equipped with fixed block on first and third end face at above-mentioned connector body both ends, this fixed block embeds the above-mentioned retainer of said fixing hole fixing in above-mentioned electrical connector body.

6, shielded electrical connector as claimed in claim 5, it is characterized in that, extend a pair of hook part from the side of above-mentioned retainer with the direction opposite with above-mentioned button claw, the fixing above-mentioned retainer of the groove of the above-mentioned connector body of this hook part fastener end is in above-mentioned connector body.