CN2470989Y

CN2470989Y - Electrical connector

Info

Publication number: CN2470989Y
Application number: CN 01202916
Authority: CN
Inventors: 江圳祥
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2001-01-29
Filing date: 2001-01-29
Publication date: 2002-01-09
Anticipated expiration: 2011-01-29

Abstract

The utility model provides a combination of an electric connector insulating housing and a covering metal housing thereof, in which an electric connector is fixed on a circuit board and has an earth action through a projecting engaging piece from a side of a foot part which integrally extend backward from the metal housing, an engaging portion which bends upward for engaging to fix on an insulating housing back wall, and installing components extended from the foot part. The combination of the utility is easy and quick to assemble, of which the combination strength is multi strengthened, furthermore provides assurance of stable connection between installing components of the foot part and the circuit board.

Description

Electric connector

The utility model is about a kind of electric connector, refers to have one especially and is electrically connected insulation shell and one-body moldedly covers the metal shell of usefulness and the two fastening piece by the foot section projection is fastened in the connector of insulation shell rear wall buckling parts secondary combined.

Be installed on the electric connector of printed circuit board (PCB), as typical " D-type " electric connector, generally include a plurality of metal terminals and be arranged at an insulation shell inside, and the projection of this housing have the metal shell of a tool multi-functional usually.When this metal shell was in butt connector terminal inserting state, protection was also strengthened electric connector housing, thereby can reduce the electromagnetic radiation effect of electric connector in operation, and provides this electric connector a grounding function.In addition, this shell also provides attachment point or the attachment structure that electric connector machinery is installed on circuit board.

As shown in Figure 1, it shows that typical case's " D-type " circuit board electric connector 5 through improvement covers the metal shell 6 of usefulness with it.This electric connector 5 comprises an insulation shell 51, it has from an outstanding D shape Plug Division 52 of bigger body 53 forwards, enclosure interior then comprises a plurality of metal terminals 7, wherein each terminal 7 comprises an inserted terminal 71 that is inserted in Plug Division 52 perforation 54 inwalls, and from the downward welding ends 72 that extends of housing 51 rear sides.6 of metal shells comprise a suitable ring-type projection 61, an one openend and a shoulder 55 that radially extends towards periphery that closely coats this Plug Division 52.Lower end, the both sides corner of plane bead 62 symmetries is out of the ordinary to extend a foot section 63, and wherein two foot section 63 come down to be positioned at same plane and perpendicular to plane, bead 62 place.Foot section 63 is to be arranged at circuit board (not shown) upper surface and this electric connector is positioned circuit board surface.Also can be arranged on the foot section 63 and bore a hole 64, so that further strengthen the electric connector locating effect by bolt, rivet or similar fastener.Each foot section 63 is away from the end of bead 62 directions, and two parallel and the pin 65A and the 65B of landscape configuration are set with distinctly being bent downwardly, and the pin lower end then slightly is a lozenges 66A, 66B (not shown).

In the electric connector installation exercise, every pair of pin 65 is passed down through circuit board jack (not shown), and lozenges 66 upper limb 67A, 67B (not shown) are fastened adaptedly in circuit board bottom surface.In 66 contact circuit plate jack hole wall moments of lozenges, pin 65 earlier towards with bending each other, then soon recoil to its initial separation, and force its upper limb 67 outwards to fasten whereby in the circuit board bottom surface below.In addition, if the circuit board lower surface has earthed circuit, pin 65 also can be soldered to this circuit to have the ground connection effect concurrently.

In the improvement example of this conventional art, have the covering with metal shell 6 of one-body molded foot section 63 though disclose one, and the pins 65 that extend by this foot section 63 are fixed in the circuit board jack downwards.The microscler foot section 63 that thought extends back from metal shell 6 in this example, be not connected with insulation shell 51, so its intensity a little less than, in case the effect that it bears contact engaging and separating force repeatedly or is subjected to excessive forces, very easily directly be passed to pin 65 and cause foot section 63 distortion through leg 63, or cause getting loose gradually between pin 65 and corresponding circuits plate jack, thereby reduce the secure bond effect between electric connector group body and circuit board.

In addition in the U.S. the 4th, 938, in No. 704 patent cases, then further disclose the combination of a kind of metal shell and insulation shell, this metal shell comprises equally that adaptedly closely the coated insulation housing is inserted a ring-type projection of portion, an one openend radially extends a plane bead towards periphery, foot section of lower end, the both sides corner of plane bead symmetry extension out of the ordinary, with this conventional art different the other side be, its pin is to be positioned at the about length middle position of foot section inboard, the projection downwards perpendicular to foot section; The Plug Division base portion of its insulation shell also radially extends a shoulder, and also from each stationary plane of vertical extent backward of shoulder two side bottoms, and in shoulder corresponding to metal shell foot section and bead junction, plane, and stationary plane is corresponding to metal shell pin leading edge place, the line of rabbet joint of suitable length is set respectively, so that make when the combination of metal shell and insulation shell, metal shell foot section and its pin, forward passes the line of rabbet joint that is arranged on insulation shell shoulder and the stationary plane adaptedly, and further combines restriction effect between reinforced metal shell and insulation shell.

Only this patent case is disclosed passes line of rabbet joint combination, and metal shell pin direction will be limited by corresponding to the insulation shell line of rabbet joint, and in can't conventional art as shown in Figure 1, and pin 65 is to be parallel to plane bead 62 and to dispose; In other words, this patent case does not meet or other installation elements are still arranged and can't change the occasion of circuit board jack position the time, can't be applicable on the circuit board in the jack direction of correspondence, lacks flexibility so its practicality is very limited.

In view of this, cover with the shortcoming in the metal shell combination with it for effectively improving this electric connector, the utility model creator is engaged in the many years of experience of the sector with it, the active research improvement.

Primary and foremost purpose of the present utility model is to provide an electric connector and the integrated metal shell that covers, it is by from the metal shell fastening piece of the one foot section side projection of extending backward, upwards bending and being fastened in the buckling parts of insulation shell rear wall, and foot section is adaptive to be positioned in the accommodation space that the insulation shell diapire is provided with, and the fixed component that extends by foot section, further electric connector is fixed in circuit board and has the ground connection effect concurrently, strengthening the combined strength of combination, and guarantee stable connection between foot section fixed component and circuit board.

Next purpose of the present utility model is to provide an electric connector and the integrated metal shell that covers, be provided with a plurality of stators in this metal shell, and a plurality of holddown grooves of adaptive ccontaining these a plurality of stators are set in this insulation shell, this stator is through bending and after being clipped on the clip piece of holddown groove front end, fixedly be placed in the accommodation space of holddown groove, and cooperate from the metal shell fastening piece of the one foot section side projection of extending backward, upwards bending and being fastened in the buckling parts of insulation shell rear wall is with further reinforcement entire combination intensity.

Another purpose of the utility model is to provide an electric connector and the integrated metal shell that covers thereof, this metal shell is except that the good capture-effect of tool, since its integrated characteristic, the tool better structural strength, and can significantly reduce and make and assembly cost.

The electric connector that the utility model discloses mainly is to be made of electric connector insulation shell, a metal shell being placed in a plurality of metal terminals in the insulation shell and coating this housing antetheca and Plug Division.Wherein metal shell bottom along the horizontal plane of insulation shell diapire accommodation space backward one extend a plurality of foot section so that when making insulation shell and metal shell combining, foot section is resisted against this accommodation space adaptedly.The buckling parts position of the inboard corresponding insulation shell rear wall of foot section, fastening piece that slightly is long rectangle of projection on parallel foot section length direction, its length and width must cooperate this fastening piece and be suitable for clamping on this fastening piece.Metal shell upper limb two ends and lower edge foot section inboard respectively are provided with a stator, and in insulation shell roof and diapire corresponding position the groove that is suitable for ccontaining this stator also are set.

When insulation shell with when metal shell engages, a plurality of foot section are resisted against accommodation space adaptedly, wherein foot section upper limb front end is resisted against on the horizontal plane adaptedly, installation component upper end outer rim then is resisted against a vertical plane.From the fastening piece of foot section projection then by further towards the bending of insulation shell rear wall direction and be fastened in buckling parts.Treat that insulation shell and metal shell finish the location, stator towards the bending of holddown groove direction, behind the clip piece through being clipped on the holddown groove front end, fixedly is placed in the accommodation space of holddown groove again, the whole tightness that engages with metal shell with further heavy insulation housing.In addition, this metal shell still can be by the welding of the installation component of foot section end and circuit board earthed circuit and is reached its grounding function.

Relevant the utility model is for reaching this purpose, and the technological means that feature adopted and its effect exemplify preferred embodiment and conjunction with figs. is described as follows now:

Fig. 1 is the three-dimensional exploded view of a traditional electrical connector.

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

The utility model electric connector three-dimensional exploded view that Fig. 3 observes for another direction.

Fig. 4 is the three-dimensional combination figure of electric connector of the present utility model.

Please refer to Fig. 2 to Fig. 4,, mainly constitute by an insulation shell 1, metal shell 2 and a plurality of metal terminal 3 with bridging effect according to the electric connector that the utility model disclosed.This insulation shell 1 comprises a vicinity and the parallel roof 12 of the diapire 11, that are parallel to the circuit board (not shown) and this diapire 11, be provided with an antetheca 13 and a rear wall 14 of a Plug Division 131.Wherein diapire 11 both sides respectively are provided with an accommodation space 15, it respectively has a horizontal plane 151 parallel with roof 12, vertical with one and towards the vertical plane 152 of insulation shell 1 inboard, accommodation space 15 slightly is positioned at perforate 16 belows in the utility model with this horizontal plane 151.Rear wall 14 also is provided with two place's buckling partss 17, and in the utility model, buckling parts 17 is each positioned at vertical with this accommodation space 15 horizontal planes 151, and from a wall of rear wall 14 depressions, slightly is the rectangle projection of a rear end tool fillet.The roof 12 of insulation shell 1 is in two STHs, 16 tops and diapire 11 accommodation spaces 15 inboards, respectively be provided with a holddown groove 18, the holddown groove front side is provided with the leading edge clip piece 181 concordant with antetheca 13 walls, and forms an accommodation space in clip piece 181 rear sides.

Insulation shell 1 inside is provided with a plurality of pre-and post perforative terminal channels 19, be equipped with a metal terminal 3 in each terminal channel 19 respectively, wherein each terminal comprises the inserted terminal 31 that is disposed in the Plug Division 131 and extends welding ends 32 in order to electrically connect with circuit board from insulation shell 1 rear wall 14.Plug Division 131 is vertically to be stretched on outside the antetheca 13 and to be a cuboid in the utility model, yet also can cooperate the electric connector Plug Division shape that is complementary with it and slightly be " D " font or other variations.

Metal shell 2 is to be become by the conductive metal sheet system, and its antetheca 13 and Plug Division 131 by coated insulation housing 1 constitutes a bridging effect.The Plug Division 131 of antetheca 13 is vertically to be stretched on this antetheca 13 in present embodiment, extends the projection 21 of an adaptive tight fit Plug Division 131 and an opening of tool forward so metal shell 2 also cooperates these Plug Division 131 shapes.

The horizontal plane 151 of metal shell 2 bottoms corresponding insulation shell 1 diapire 11 accommodation spaces 15 one backward is extended with a plurality of foot section 4, and its width is not more than this horizontal plane 151.Installation component 41 of foot section 4 ends circuit board projection downwards is to be inserted in the jack of circuit board correspondence.Installation component 41 can be a simple projection shape, also can further make the plate lock (board lock) with two bifurcated pins, or is suitable for stable other shapes that are inserted in the circuit board jack securely.

Foot section 4 inboards are to buckling parts 17 positions that should insulation shell 1 rear wall 14, and one of projection slightly is the fastening piece 42 of long rectangle on parallel foot section 4 length directions, and its length and width must cooperate this buckling parts 17 and suitablely can be fastened on buckling parts 17.This fastening piece 42 with before metal shell 2 combines, is positioned at same plane with foot section 4 in insulation shell 1, state as shown in Figures 2 and 3, in conjunction with when then towards insulation shell 1 rear wall, 14 bendings and be fastened in the buckling parts 17, state as shown in Figure 4.

Metal shell 2 both sides also respectively are provided with a screw 22, and its position is corresponding to 13 liang of STHs 16 of insulation shell 1 antetheca.Metal shell 2 upper limb two ends and lower edge foot section 4 inboards, holddown groove 18 positions of corresponding insulation shell 1 roof 12 and diapire 11 respectively are provided with a stator 23, in order to ccontaining and be fixed in the holddown groove 18.

Refer again to Fig. 4, when insulation shell 1 with when metal shell 2 combines, these metal shell 2 adaptive coated insulation housing 1 antethecas are to constitute its capture-effect.A plurality of foot section 4 are positioned the accommodation space 15 that insulation shell 1 diapire 11 both sides are provided with, and wherein foot section 4 upper limb front ends are resisted against horizontal plane 151 adaptedly, and installation component 41 upper end outer rims then are resisted against vertical plane 152.From 42 of the fastening pieces of foot section 4 projections by further bending towards insulation shell 1 rear wall 14 directions, and be fastened in buckling parts 17, and a plurality of stators 23 bend towards holddown groove 18 directions, behind the clip piece 181 through being clipped on the holddown groove front end, fixedly be placed in the accommodation space of holddown groove 18, so that the whole tightness that further heavy insulation housing 1 engages with metal shell 2.

In addition, can be inserted in the interference fit effect that the corresponding jack of circuit board produces, temporarily be positioned on the circuit board, then this installation component 41 is welded in circuit board by installation component 41.Be among the embodiment of a plate Lock structure in installation component 41 in addition, this plate lock end is two pins of bifurcated for symmetry tool elastic reaction, with the corresponding jack combination of circuit board of its plant, keep the locating effect of electric connector by this in circuit board.If have earthed circuit below the circuit board, this two pin also can be soldered to this circuit to have the ground connection effect concurrently.

By this structural feature, the advantage of the insulation shell of the utility model electric connector and metal shell combination is:

1. a plurality of fastening pieces of metal shell bend and are fastened in insulation shell rear wall buckling parts, and foot section is positioned the accommodation space compound mode that the insulation shell diapire is provided with, except that being easy to assembling, more increase contact area between metal shell and insulation shell than conventional art, but this stressed this composite entity that evenly is transmitted to of Dou when being subjected to improper external force can be avoided stress to concentrate and further strengthens combining between foot section and circuit board jack.

2. the combination of insulation shell and metal shell, only must bend by a plurality of fastening pieces of metal shell and be fastened in insulation shell rear wall buckling parts, with a plurality of stators and after being clipped on the clip piece towards holddown groove direction bending, its built-up time is fixed in its accommodation space, so will shorten dramatically and tool is multiple in conjunction with effect.

3. be to be positioned accommodation space as these a plurality of foot section, and installation component is to vertical independent extension of circuit board direction from the foot section end, be not subjected to the restriction of this foot section or insulation shell relative position, so the relative configuration between installation component and circuit board is than the tool flexibility, when being a plate latch mechanism as this installation component, the plane that its two pin forms can be perpendicular or parallel with the insulation shell rear wall and all can.

4. be one-body molded owing to tool capture-effect in the utility model and in order to the foot section that is fixedly installed in circuit board, the preferable electromagnetic radiation of its tool is covered and the ground connection effect.

In sum, electric connector of the present utility model really can reach its intended purposes and effect by this disclosed structure, device.

Only, the graphic and explanation that this is taken off only is embodiment of the present utility model, and is non-for limiting enforcement of the present utility model; Generally be familiar with the personage of this skill, its other equivalences of being done according to feature category of the present utility model change or modify, and all should be encompassed in the following claim of the present utility model.

Claims

1. one is installed on the circuit board and produces with described circuit board and to electrically connect electric connector, and described electric connector comprises:

An insulation shell, described insulation shell have a diapire, an antetheca of contiguous described circuit board and are provided with a rear wall of many buckling partss, also are provided with a plurality of terminal channels in the described insulation shell;

A plurality of terminals are placed in respectively in each described terminal channel;

A metal shell, in order to cover insulation shell, extend a plurality of foot section so that in conjunction with being fixed on the circuit board and bribe the back one along described insulation shell diapire, side of described foot section is fastening piece of projection also, makes described fastening piece be suitable for being fastened on described buckling parts through bending.

2. electric connector as claimed in claim 2 is characterized in that: described buckling parts is a projection.

3. electric connector as claimed in claim 1 is characterized in that: the terminal further downward installation component of projection of described foot section, so that be inserted in the corresponding jack of described circuit board.

4. electric connector as claimed in claim 3 is characterized in that: described installation component can further electrically connect with described circuit board.

5. electric connector as claimed in claim 3 is characterized in that: described installation component is the plate lock with two bifurcated pins.

6. electric connector as claimed in claim 3 is characterized in that: described installation component is a projection.

7. electric connector as claimed in claim 3 is characterized in that: the contact-making surface of described diapire and described foot section respectively be provided with a described foot section of confession against accommodation space.

8. electric connector as claimed in claim 7 is characterized in that: each described accommodation space have one use for each described foot section upper limb against horizontal plane.

9. electric connector as claimed in claim 1 is characterized in that: each described accommodation space have one use for each described installation component outer rim against vertical plane.

10. as any described electric connector in the claim 1 to 9, it is characterized in that: described metal shell further is provided with a plurality of stators, and described insulation shell also is provided with a plurality of holddown grooves of adaptive ccontaining described stator.

11. electric connector as claimed in claim 10 is characterized in that: each described holddown groove front end is provided with a clip piece, and described stator, fixedly is placed in the described holddown groove after being clipped on described clip piece through bending.

12. electric connector as claimed in claim 10 is characterized in that: described stator is upper limb and the lower edge that is arranged at described metal shell.