CN2470971Y

CN2470971Y - Electrical connector

Info

Publication number: CN2470971Y
Application number: CN01202919U
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 comprises an insulation shell, multiple metallic terminals accommodated in multiple terminal channels of the insulation shell, and a metal shell covered on the insulation shell front wall; wherein the metal shell upper edge extends backward to provide a flat surface for suction of vacuum suction unit so as to make the metal shell have dual functions including vacuum suction and insulation shell cover. Moreover, the metal shell can further extend backward at two sides to form engaging part, and fixes electrical connector on circuit board via fixing unit of downward extended engaging part rear edge, with earthing function as well.

Description

Electric connector

The utility model is about a kind of electric connector, refers to that especially a kind of antetheca is provided with the insulation shell of Plug Division, and coats this insulation shell and have for one of the vacsorb burnishing surface, has the one-body molded metal shell for vacuum suction and bridging effect concurrently.

Press, mat is operated vacsorb formula mechanical arm automatically, and the surface-mounted electronic component of electric connector is installed in book office on the printed circuit board (PCB), is a kind of main mode for printed circuit board (PCB) processing procedure automation at present.The electric connector insulation shell is corresponding to vacsorb ozzle place as only, and the plane surface of capacity area of not having is usually drawn for this ozzle and located, hereat, mating electrical connector formal construction various add the auxiliary adsorbent equipment of formulas be in response to and give birth to.

At first, as shown in Figure 1, it shows a known electric connector 5 and the three-dimensional exploded view of adsorbent equipment 6 thereof, wherein electric connector 5 mainly is made of an insulation shell 7 and a plurality of terminal 8, insulation shell 7 comprises a diapire 71 that engages with the circuit board (not shown), from diapire face 71 vertically extending plural piece sidewalls 72 and a central floor 73, mat diapire face 71 and sidewall 72 define the slot 74 that without exception is strip jointly.The place is provided with terminal room 731 in central floor 73 both sides, the a plurality of terminals 8 that are laid in the terminal room 731 comprise the inserted terminal 81 that plugs with the butt connector (not shown), and extend and be welded in the welding ends 82 of circuit board surface from a plurality of terminal through-hole 711 in diapire face 71 corresponding positions.Adsorbent equipment 6 comprises a substrate 61, and it has the burnishing surface 611 of enough areas corresponding to absorption nozzle, and substrate 61 then is provided with two clamping pin 62 of symmetry in tossing about of burnishing surface 611.In the assembling operation of electric connector 5, adsorbent equipment 6 mats two clamping pin 62 insert and put and are fixed in central floor 73, its assembly are drawn to the circuit board through vacuum nozzle and after the predeterminated position welding, adsorbent equipment 6 need be separated electric connector 5.

Please refer to Fig. 2, it discloses the assembling stereogram of another known electric connector 9 and its adsorbent equipment 10.9 liang long internal faces 911 to sidewall 91 of this electric connector respectively are provided with terminal room 912, the a plurality of terminals 11 that evenly are laid in the terminal room 912 comprise the inserted terminal 111 that connects with the outside terminal (not shown), and extend and be welded in the welding ends 112 of circuit board surface mutually in the opposite direction from a plurality of terminal through-hole (not shown) in diapire face corresponding position.Adsorbent equipment 10 comprises that one is laminar substrate 101, except that a burnishing surface 102 of the corresponding absorption nozzle of tool, it is the clamping pin 103 of symmetry in twos in tossing about and being provided with four of burnishing surface 102, and mat clip mode is folded in the outer wall 913 of electric connector two side 91.

Yet, in above-mentioned two known electric connectors and the adsorbent equipment assembling example, because electric connector is when its manufactory dispatches from the factory, be with the adsorbent equipment clamping be one, and in circuit board assembling factory after the automated assembly machine tool is positioned on the circuit board book office and carries out weld job, need further will adsorb to adorn and on electric connector, remove.How still because of mat manually carries out except that operation is existing in right these absorption mounting or dismounting, increases the cost except that expending time-histories, also might be improper because of the artificial application of force, in the terminal room of demolishing process destruction with the clamping of adsorbent equipment clamping pin; In addition, this adsorbent equipment is after removing, and usually because of artificial the dismounting causes distortion and promptly do not reclaim profit and utilize, so the adsorbent equipment that cooperates with electric connector becomes a kind of consumptive material.Moreover different electric connectors have not isostructure and shape, so additional auxiliary adsorbent equipment also must be in response to different different structure and the shapes of electric connector design.

In view of this, for effectively improving the shortcoming in the combination of above-mentioned electric connector and adsorbent equipment, the present application people then is engaged in the many years of experience of the sector with it, and the active research improvement has the generation of the utility model " electric connector " then.

Monic purpose of the present utility model is to be to provide a kind of electric connector, and it has, and to cover shell one-body molded and be assembled in the adsorbent equipment that need not remove behind the circuit board with metal, can strengthen its bond strength and exempt all inconvenience of removing operation thereafter.

The utility model time purpose is to be to provide a kind of electric connector, and its mat one is whole to be extended one and cover shell for absorption with the metal of burnishing surface and forever be sticked in insulation shell, can strengthen its whole bond strength, and have the double utility that supplies vacuum suction and cover concurrently.

Another purpose of the utility model is to be to provide a kind of electric connector, it metal that comprises that an insulation shell and has concurrently for vacuum suction covers shell, and the fixture that this metal shell fitting portion of mat extends further is fixed in electric connector circuit board and has the ground connection effect concurrently.

Principal character of the present utility model is, electric connector comprises an insulation shell, is placed in the complex root metal terminal of a plurality of terminal channels in the insulation shell, and one is coated on insulation shell antetheca and Plug Division and the metal shell of tool bridging effect; Wherein the metal shell upper limb and backward one extend a burnishing surface of drawing for the vacsorb device, and make this metal shell have concurrently and cover the double utility of insulation shell for vacuum suction.Above-mentioned metal shell both sides and can respectively extend a fitting portion backward, its whole bond strength is further strengthened in embedding hole of offering on the mat fitting portion and insulation shell sidewall surfaces dummy slider chimeric.Especially bad, above-mentioned fitting portion trailing edge can further extend bending one horizontal foot section, and the fixture of mat foot section projection downwards further is fixed in electric connector circuit board and has the ground connection effect concurrently.

According to another program of the present utility model, the burnishing surface of metal shell upper limb more is provided with downward block holding part, so that the stressed mat block holding part transmission of metal shell burnishing surface top is shared in the insulation shell roof, concentrates and improper distortion to avoid metal shell stress.

Brief description of drawingsfig

Relevant the utility model is to reach technological means and the effect thereof that above-mentioned purpose, feature adopt, and exemplifies preferred embodiment now and cooperates graphic being described as follows:

Fig. 1 is a known electric connector and adsorbent equipment three-dimensional exploded view.

Fig. 2 is another known electric connector and adsorbent equipment three-dimensional combination figure.

Fig. 3 is the electric connector three-dimensional exploded view of the utility model first embodiment.

Fig. 4 is for adopting the utility model first embodiment electric connector three-dimensional combination figure of another viewpoint.

Fig. 5 is the electric connector three-dimensional exploded view of the utility model second embodiment.

Fig. 6 is the electric connector three-dimensional combination figure of the utility model second embodiment.

Explanation of essential reference numerals in drawings: 1,1 ' insulation shell, 11 diapires, 12 roofs, 13 antethecas, 131 Plug Divisions 14,14 ' rear wall, 15 sidewalls, 16 perforates, 17 caulking grooves, 171 buttons support portion's 18 dummy sliders, 19 terminal channels 2,2 ' metal shell, 21 projections, 22 screws, 23 fitting portions, 24 embedding holes, 25 foot section, 26 installation components 27,27 ' burnishing surface 28,28 ' stator 281,281 ' button supports hole 29 ' block holding part 3 metal terminals 31 inserted terminals 32 welding endss

At first please refer to Fig. 3 and Fig. 4, according to the electric connector that the utility model disclosed, mainly is to be made of an insulation shell 1, a metal shell 2 and complex root metal terminal 3.Insulation shell 1 comprise one contiguous and be parallel to the circuit board (not shown) diapire 11, one of parallel with this diapire 11 roof 12, be provided with an one of Plug Division 131 antetheca 13, a rear wall 14, and be positioned at the two side 15 between this front and back walls.Wherein a perforate 16 is respectively offered in antetheca 13 both sides, and roof 12 and diapire 11 walls respectively are concaved with slightly rectangular caulking groove 17, and caulking groove 17 surfaces are equipped with button and are supported portion 171, and it turns forward and be a lozenges from insulation housing 1 rear side.And sidewall 15 outer surfaces and each prominent rectangular without exception dummy slider 18 of establishing.

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 extend from housing 1 rear wall 14 that insulate, in order to the welding ends 32 that electrically connects with circuit board.Plug Division 131 is vertically to be stretched on outside the antetheca 13 and to be a cuboid in present embodiment, so also can cooperate the electric connector Plug Division shape that is complementary with it and changes.

Metal shell 2 is to be made into integration by the conducting metal lamellar body, and wall 13 and Plug Division 131 constitute a bridging effect before its mat coated insulation housing 1.Metal shell 2 is to cooperate to be stretched on antetheca 13 Plug Divisions 131 shapes in present embodiment, and extends the projection 21 of a suitable tight fit Plug Division 131 forward, its slightly rectangular body and tool one opening.A screw 22 is also respectively offered in metal shell 2 both sides, and its position is to establish a screw 22 corresponding to insulation shell 1 antetheca 13 both sides shapes, and its position is corresponding to 13 liang of STHs 16 of insulation shell 1 antetheca.Each vertical extent one fitting portion 23 backward of metal shell 2 both sides is respectively offered the chimeric embedding hole 24 of the prominent dummy slider of establishing in suitable and insulation shell 1 sidewall 15 surfaces 18 in the fitting portion 23.

The vertical backward slightly curved projection of projection one in fitting portion 23 trailing edges upper end, and further a horizontal foot section 25 is extended in bending to the inside.Its end circuit board direction projection downwards one installation component 26 is to be inserted in the jack of circuit board correspondence.Installation component 26 can be a projection shape, also can further make the plate lock (board lock) with two bifurcated pins, or is suitable for firmly being inserted in other shapes of circuit board jack.

Metal shell 2 upper limbs and backward one extend one and be enough to the burnishing surface 27 that the vacsorb device is drawn, burnishing surface 27 both sides also respectively are symmetrical arranged rectangular without exception, the stator 28 that the caulking groove 17 of suitable and insulation shell 1 roof 12 is corresponding, on the stator 28 and offer button and support hole 281, it is when stator 28 is embedded in caulking groove 17, mat is buckled to the hole 281 and is buckled to be butted on and buckle to portion 171, in order to bond shell 2 and insulation shell 1.Also be equipped with plural piece stator 28 in metal shell 2 lower edges in addition, it also is embedded in the plural number place caulking groove 17 of insulation shell 1 diapire 11 according to same function.

By above-mentioned structural property, in insulation shell 1 of the present utility model and metal shell 2 bonding states, from the metal shell 2 upper limbs burnishing surface 27 that extends of one backward, and from the metal shell 2 upper and lower edge plural piece stator 28 of projection backward, be the plural number place caulking groove 17 that is embedded in insulation shell 1 roof 12 and diapire 11 correspondences respectively, make by this between the top, bottom of insulation shell 1 and metal shell 2 and produce a location packing interaction.

And the embedding hole 24 of 2 liang of fitting portions 23 of metal shell, suitable embedding is sandwiched in the dummy slider 18 of insulation shell 1 two side 15 outer surfaces, makes the both sides of insulation shell 1 and metal shell 2 produce further location packing interaction by this.This fitting portion 23 can just be bent into chimerism as shown in the figure after metal shell 2 is assembled in insulation shell 1.

Further extend a foot section 25 and installation component 26 thereof for another aforementioned metal shell 2 fitting portions 23, but also mat installation component 26 is inserted in the circuit board jack, after welding electric connector is fixed in circuit board.If the circuit board lower surface has earthed circuit, also installation component 96 can be soldered to this circuit to have the ground connection effect concurrently.

After metal shell 2 is finished with insulation shell 1 assembling, metal shell 2 suitable close insulation shell 1 outer walls that are sleeved on, and the suction of taking seriously is got ozzle and is forced in flat surface 27, after the group body of metal shell 2 and insulation shell 1 is positioned circuit board book office and welding thereon, can engage operation with connecting bonder terminal through the Plug Division opening 131 inserted terminal terminal 31 that continues, and metal shell 2 need not be separated insulation shell 1.

Please continue with reference to figure 5 and 6, it shows the three-dimensional exploded view of another embodiment of the utility model.In this embodiment, the burnishing surface 27 that metal shell 2 ' upper limb extends back ', its in length direction further extend and be covered in insulation shell 1 ' roof 12 '.Burnishing surface 27 in the present embodiment ' respectively be provided with a perforate in two stators, 28 ' outside, and in two perforate spaces each ccontaining from one of burnishing surface 27 ' projection downwards block holding part 29 '.Wait metal shell 2 ' with insulation shell 1 ' after combining, but mat with the corresponding insulation shell 1 of block holding part 29 ' be resisted against downwards ' rear wall 14 ' nearly upper limb place, further metal shell 2 ' bear external force is shared in insulation shell 1 ', with reinforcement metal shell 2 ' intensity.

In sum, the advantage of the utility model electric connector is:

One. in the one design of extending a burnishing surface backward of metal shell upper limb, except that making this shell have concurrently and covering the double action of this insulation shell for vacsorb, in drawing when forcing in this burnishing surface for the vacsorb device, its stressed uniform transmission can be shared jointly by the composite entity of metal shell and insulation shell, avoid stress to concentrate and cause the metal shell distortion or destroy.

Two. the combination between metal shell and insulation shell, the plural piece stator of mat metal shell is embedded at corresponding insulation shell top, the plural number place caulking groove of diapire face, the embedding hole embedding of metal shell two fitting portions and is sandwiched in the dummy slider of insulation shell two side respectively, and metal shell be coated on the insulation shell antetheca and the Plug Division, reach multiple by this and locate chimeric effect closely.

Three. the metal shell fitting portion is projection one installation component further, and it is inserted in mat the circuit board jack and after welding, electric connector can be fixed in circuit board.If the circuit board lower surface has earthed circuit, still installation component can be soldered to this circuit and have the ground connection effect concurrently.

In sum, the utility model " electric connector " really can above-mentioned structure, the device of proposing exposure of mat, reaches its intended purposes and effect, and does not see the also unexposed use of publication before applying for, meets the important documents such as novelty, progress of novel patent.

Only, above-mentioned graphic and explanation of taking off makes being embodiment of the present utility model, and is non-for limiting enforcement of the present utility model; Generally be familiar with people's bodyguard of this technology, other equivalences that its feature category of the present utility model is done change or revise, and all should be encompassed in the following claim scope.

Claims

1. an electric connector is to be positioned circuit board for the vacsorb device, it is characterized in that comprising:

One insulation shell comprises one of contiguous this circuit board diapire, a roof, is provided with one of Plug Division antetheca, a rear wall and two sidewalls, in this insulation shell and be provided with a plurality of terminal channels;

The complex root terminal is placed in respectively this terminal channel respectively;

One metal shell is to be coated on this insulation shell antetheca and Plug Division, this metal shell upper limb and backward one extend a burnishing surface of drawing for the vacsorb device.

2. electric connector as claimed in claim 1 is characterized in that, this insulation shell and metal shell are respectively equipped with caulking groove and the stator that is clasped mutually.

3. electric connector as claimed in claim 2, it is characterized in that, each prominently establishes a dummy slider surface, this insulation shell two side, and behind these metal shell two laterals each vertical extent one fitting portion, and offer suitable and two chimeric embedding holes of these dummy sliders in these fitting portions.

4. electric connector as claimed in claim 3 is characterized in that, this fitting portion trailing edge still extends a foot section, and terminal projection one installation component downwards of this foot section is to be inserted in the corresponding jack of circuit board.

5. electric connector as claimed in claim 4 is characterized in that, this installation component is a projection.

6. electric connector as claimed in claim 4 is characterized in that, this installation component has plate lock.

7. electric connector as claimed in claim 4 is characterized in that, this installation component can further electrically connect with this circuit board.

8. as each described electric connector in the claim 2 to 7, it is characterized in that this caulking groove is to be positioned at this insulation shell roof and diapire.

9. as each described electric connector in the claim 2 to 7, it is characterized in that this caulking groove surface further is equipped with place button and is supported portion, support a button that portion's button supports to the hole and offer suitable and this button in this stator.

10. as each described electric connector in the claim 2 to 7, it is characterized in that this complex root terminal is to stretch out from this insulation shell rear wall and be welded in this circuit board.

11. electric connector as claimed in claim 1 is characterized in that, the downward projection of this burnishing surface of metal shell has block holding part, and with after this insulation shell combines, this block holding part is to be resisted against this corresponding insulation shell in this metal shell.

12. electric connector as claimed in claim 11 is characterized in that, this insulation shell and metal shell are respectively equipped with mutual friction tight caulking groove and stator.

13 electric connectors as claimed in claim 11, it is characterized in that, each prominently establishes a dummy slider surface, this insulation shell two side, and behind these metal shell two laterals each vertical extent one fitting portion, and offer suitable and two chimeric embedding holes of these dummy sliders in these fitting portions.

14. electric connector as claimed in claim 13 is characterized in that, this fitting portion trailing edge still extends a foot section, and terminal projection one installation component downwards of this foot section is to be inserted in the corresponding jack of circuit board.

15. electric connector as claimed in claim 14 is characterized in that, this installation component is to be a projection.

16 electric connectors as claimed in claim 14 is characterized in that, this installation component has plate lock.

17. electric connector as claimed in claim 14 is characterized in that, this installation component can further electrically connect with this circuit board.

18., it is characterized in that this caulking groove is to be positioned at this insulation shell roof and diapire as each described electric connector in the claim 12 to 17.

19., it is characterized in that this caulking groove surface further is equipped with place button and is supported portion as each described electric connector in the claim 12 to 17, support a button that portion's button supports to the hole and offer suitable and this button in this stator.

20., it is characterized in that this complex root terminal is to stretch out from this insulation shell rear wall and be welded in this circuit board as each described electric connector in the claim 12 to 17.