CN201112827Y - Electric connector - Google Patents

Abstract

The utility model discloses an electrical connector used for electrically connecting electric components to a circuit board, which at least comprises a case, an insulation body arranged on the two opposite lateral walls of the case, and a plurality of conductive terminals fixedly connected with the insulation body, wherein, a concave is arranged on one side of the insulation body contacting the case. When the assembling of electrical connector is completed, a suitable quantity of adhesive is dripped into the concave to increase the tightness between the insulation body and the case.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers to a kind of electric connector that electrically connects electronic component to circuit board especially.

[background technology]

Electric connector is widely used in (as mobile phone, PC, PDA etc.) in the various electronic equipments, along with development of science and technology, people are also more and more higher to the requirement of these electronic equipments, as in mobile phone, increasing camera function, correspondingly, electronic component is electrically connected to the also increase year by year of demand of the electric connector of circuit board.

See also shown in Figure 4, a kind of electric connector 100 ' relevant with the utility model, comprise the metal shell 30 ' that is provided with receiving space 33 ', the insulating body 10 ' that is assembled in metal shell 30 ' two opposite side walls 32 ', the plurality of conductive terminals 20 ' of assembling mutually with insulating body 10 ', and be overlying on shielding casing 40 ' on the insulating body 10 '.Wherein insulating body 10 ' is L-shaped, comprise horizontal part 12 ' that along continuous straight runs extends and the vertical portion 11 ' of vertically extending, described vertical portion 11 ' is gone up and is provided with first through hole 111 ' and second through hole 112 ' that runs through insulating body 10 ' in thickness direction, metal shell 30 ' and shielding casing 40 ' are provided with hangnail 322 ' and protruding thorn 43 ' respectively at above-mentioned first through hole 111 ' and second through hole, 112 ' correspondence position, during assembling, at first conducting terminal 20 ' is assembled in the insulating body 10 ', to place on the metal shell 30 ' two opposite side walls 32 ' with the insulating body 10 ' that conducting terminal 20 ' fits together then, and make hangnail 322 ' on the metal shell 3 ' place first through hole 111 ' of insulating body 10 ', at last shielding casing 40 ' is placed on the insulating body 10 ', its protruding thorn 43 ' is matched with second through hole 112 ' of insulating body 10 '.

Yet, there is following shortcoming at least in above-mentioned electric connector: because each element of this electric connector is more, and all be to finish between each element by hangnail and cooperating of through hole, and after this electric connector is assembled in the electronic equipment, because electronic component in use, phenomenon such as probably can fall, and above-mentioned electric connector, in this case, the risk that just exists interelement to come off mutually, and then, have influence on the normal use of electronic component.

In view of above drawback, be necessary to provide a kind of electric connector of improvement in fact, with defective and the deficiency that overcomes above-mentioned electric connector.

[utility model content]

The purpose of this utility model is to provide the electric connector of a kind of assemble stable and each interelement difficult drop-off.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, be used to electrically connect electronic component to circuit board, at least comprise: housing, place insulating body on the housing two opposite side walls respectively, and the plurality of conductive terminals of assembling mutually with insulating body, wherein, the one side that contacts with housing of insulating body is provided with recess.

The electric connector relevant with the utility model electric connector compared, the utility model electric connector has following beneficial effect at least: because the one side that this electric connector insulating body contacts with housing is provided with recess, therefore, after this electric connector assembling is finished, can be in above-mentioned recess an amount of colloid of drop, thereby increase fixing between insulating body and the housing by this colloid, so, after this electric connector is assembled in the electronic equipment, just can effectively improve the anti-drop degree of the electronic equipment that uses this electric connector.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector, and wherein conducting terminal fits together with insulating body.

Fig. 2 is the unit assembly drawing of the utility model electric connector, and wherein shielding casing is still unassembled.

Fig. 3 is the three-dimensional combination figure of electric connector shown in Figure 1.

Fig. 4 is the three-dimensional exploded view of the electric connector relevant with the utility model electric connector.

[execution mode]

Describe the embodiment of the utility model electric connector 1 in detail below in conjunction with accompanying drawing.

See also shown in Figure 1, the utility model electric connector 1, (for example be used to electrically connect electronic component, the camera module, not shown) to circuit board (not shown), comprise housing 10, be assembled in a pair of insulating body 20 of housing 10 two opposite side walls, the plurality of conductive terminals 30 of assembling mutually with insulating body 20 and be overlying on shielding casing 40 on the insulating body 20.

Housing 10, form through pressing and bending by the flat metal plate, integral body is the rectangular box shape of no loam cake, comprise flat diapire (not indicating), and the first side wall 100 and second sidewall 102 that extend vertically upward and be oppositely arranged in twos from the edge of diapire, the above-mentioned adjacent the first side wall 100 and second sidewall 102 are separated by slit 106, and the first side wall 100, second sidewall 102 respectively with the junction of diapire, offer perforate 108, so, when the plate-shape metal plate is bent into rectangle, can guarantee the vertical relation that sidewall and diapire are good.In addition, the height of the first side wall 100 is higher compared to second sidewall 102, so that second sidewall, 102 assembling insulating body 20 and shielding casings 40, above-mentioned the first side wall 100, second sidewall 102, and diapire formed a receiving space 104, and electronic component just is contained in this receiving space 104.

Above-mentioned the first side wall 100 is provided with the shell fragment 1002 to receiving space 104 direction diagonally extendings symmetrically, and these shell fragment 1002 free terminals inwardly return hook glossily, after electronic component is assembled in the receiving space 104 of housing 10, this shell fragment 1002 is the fixing electronic component by its elastic force, simultaneously, the setting of the smooth inside time hook of above-mentioned shell fragment 1002 free terminals can also avoid electronic component in the process of assembling, swiped, thereby influenced its electrical performance.Two ends of second sidewall 102 are respectively arranged with holding section 1026 in the position on the upper side, and second sidewall 102 at above-mentioned holding section 1026 and its place forms the bosom shape, after insulating body 20 was assembled in second sidewall 102, this bosom shape structure can clamp insulating body 20 firmly.In addition, for this electric connector 1 better is installed on the circuit board, also be respectively arranged with some bonding pads 1004,1028 on the first side wall 100 of above-mentioned housing, second sidewall 102.When being assembled in electronic component in the above-mentioned housing 10, for fear of installing mistakenly, a sidewall middle part in these housing 10 the first side walls 100 offers a groove 1006, and this groove 1006 extends to the bottom always from its sidewall 100 tops, and electronic component also is provided with matching structure in this correspondence position, further, in order to guide the assembling of electronic component, this the first side wall top free terminal is outward-dipping slightly, forms an inclined ramp, so that the assembling of the facility of electronic component.

Insulating body 20, be the lengthwise shape, make by insulating material, place on housing 10 second sidewalls 102, for with housing 10 fixings, two relative faces of its thickness direction are provided with projection 204, and this projection 204 runs through its thickness direction, and housing 10 is provided with first through hole 1024 in above-mentioned projection 204 correspondence positions, after insulating body 20 is assembled on the housing 10, the bosom shape structure of housing 10 second sidewalls 102, embrace insulating body 20 tightly from two ends, and cooperation by first through hole 1024 and projection 204, make insulating body 20 and housing 10 combine, yet, nonetheless, the risk that also has said two devices to come off, for this reason, the one side with housing 10 butts on insulating body 20 is provided with recess 206, and offers otch 1020 in second sidewall, 102 top of housing 10 correspondences, so, after electric connector 1 assembling was finished, from an amount of colloid of otch 1020 drops of housing 10, colloid flowed in the recess 206 of insulating body 20, like this, further insulating body 20 and housing 10 are combined by the viscosity of colloid.

Conducting terminal 30, make by the copper material punching press, and with insulating body 20 integrated through injection molding moulding, comprise: be embedded in the insulating body 20 vertical portions (not shown) and from the two ends of vertical portion respectively to the weld part 302 and the contact site 304 that extend away from the direction of vertical portion, wherein contact site 304 forms an angle with the vertical portion, and places top, housing 10 bottoms, after the electronic component assembling, this contact site 304 electrically contacts with the conducting strip (not indicating) of electronic component bottom, electrically conducts thereby reach.And weld part 302 roughly is vertical setting with the vertical portion, and is positioned at same horizontal plane with the bonding pad 1004,1028 of housing 10 sidewalls, firmly is connected with circuit board guaranteeing.In addition, also be provided with transition part 306 between vertical portion and the contact site 304, the width dimensions of this transition part 306 is in contact site 304 size broads, so, increased the strength of vertical portion, when contact site 304 contacted with electronic component, strain just can not take place to transition in contact site 304 backward, thereby, reduced that conducting terminal 30 contacts with housing 10 sidewalls and the risk that is short-circuited.

Shielding casing 40, be overlying on the insulating body 20, roughly L-shaped, comprise that along continuous straight runs extends and place the horizontal part 402 and the vertical component effect 404 vertical with above-mentioned horizontal part 402 of conducting terminal 30 weld parts 302 tops, horizontal part 402 ends are provided with some pads that are connected with circuit board 4020, and this pad 4020 is in same plane with the weld part 302 of conducting terminal 30 and the bonding pad 1004,1028 of housing 10, is connected with the firm of printed circuit board (PCB) to guarantee this electric connector 1.Vertical component effect 404 is corresponding to insulating body 20 projections 204 positions, be provided with second through hole 4044, so that locate with the projection 204 of insulating body 20 by this second through hole 4044, in addition, two side positions at vertical component effect 404, be provided with retaining sheet 4040, this retaining sheet 4040 roughly is vertical setting with vertical component effect 404, after this shielding casing 40 is assembled in the housing 10, above-mentioned retaining sheet 4040 is connected to housing 10 the first side walls 100, and carry out radium-shine spot welding in housing 10 these positions, to increase the fixing effect of shielding casing 40 and housing 10, this vertical component effect 404 further comprises first holding piece 4046 that extends to receiving space 104 directions of housing 10 from the junction of vertical component effect 404 and horizontal part 402 and second holding piece 4048 that lays respectively at first holding piece, 4046 both sides, shell fragment 1002 actings in conjunction of above-mentioned first holding piece 4046 and second holding piece 4048 and housing 10 are to be immobilizated in electronic component in the housing 10.

Below in conjunction with Fig. 2 and shown in Figure 3, specifically introduce the assembling process of the utility model electric connector 1: at first with a flattened rectangular metallic plate of making through punching press from its position, edge bending vertically upward, so, the metallic plate of bending does not form housing 10 diapires, and the part of bending forms sidewall, wherein higher is the first side wall 100, and lower is second sidewall 102; Then, conducting terminal 30 is put into injection mold,, make that conducting terminal 30 and insulating body 20 are one-body molded through injection molding process; Follow, will place on housing 10 second sidewalls 102 with conducting terminal 30 integrated insulating bodies 20, wherein, the projection 204 of insulating body 20 is corresponding to first through hole 1024 of housing 10; At last, shielding casing 40 is placed on the corresponding insulating body 20 successively, its second through hole 4044 is cooperated with the projection 204 of insulating body 20, so, whole electric connector 1 assembling finishes, at last, in order further to increase the fixing effect of housing 10 and insulating body 20, the an amount of colloid of otch 1020 drops from housing 10 second sidewalls 102, because, the one side that insulating body 20 contacts with housing 10 is provided with recess 206, and insulating body 20 closely contacts with housing 10, therefore, the colloid of drop can flow into above-mentioned recess 206 along the inner surface of housing 10 second sidewalls 102, thereby, housing 10 with insulating body 20 further by this colloid further combined with, like this, the weld part 302 of conducting terminal 30, the bonding pad 1004 of housing 10,1028, and the pad 4020 of shielding casing 40 is positioned at the connector outside, and be on the same horizontal plane, be beneficial to be connected with printed circuit board (PCB), and the shell fragment 1002 of housing 10, and shielding casing 40 first, second holding piece 4046,4048 are exposed to receiving space 104 inside of housing 10, so that when electronic component is assembled into, the fixing electronic component, so, when this electric connector is assembled in the electronic installation, even owing to user's improper use electronic equipment is fallen, each element of above-mentioned electric connector is difficult drop-off also, thereby has improved the performance of the electronic equipment that uses this electric connector.

Need explanation here, in order to solve technical problem to be solved in the utility model, the structure of the electric connector of introducing in the present embodiment only is wherein a kind of, that is, be not limited to the structure that present embodiment is introduced, for example, structure as the electric connector of introducing in the background technology, in the same position of its insulating body, recess is set, also can solve technical problem to be solved in the utility model.

In addition, in the present embodiment, conducting terminal 30 is integrated through injection molding moulding with insulating body 20, yet, in other execution modes,, also be fine if the two adopts plug-type fit system.

In the present embodiment, in order to increase the anti-dropping capability of the electronic equipment that uses this electric connector, on this electric connector insulating body 20 and face that housing 10 contacts, recess 206 is set, so, after assembling is finished, an amount of colloid of drop between insulating body 20 and housing 10, and increase the two fixing effect by the viscosity of this colloid.

The above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims (9)

1. electric connector comprises housing at least, is assembled in the insulating body of housing two opposite side walls, and with the insulating body conducting terminal of fixing mutually, it is characterized in that: above-mentioned housing and insulating body be fixing by adhesive colloid.

2. electric connector as claimed in claim 1 is characterized in that: the face that contacts with housing on the described insulating body is provided with recess.

3. electric connector as claimed in claim 2 is characterized in that: the top side wall edge of described housing assembling insulating body is provided with otch, and this otch is corresponding with above-mentioned recess.

4. as claim 2 or 3 described electric connectors, it is characterized in that: described insulating body is provided with the projection that runs through its thickness.

5. electric connector as claimed in claim 4 is characterized in that: described electric connector further comprises shielding casing.

6. electric connector as claimed in claim 5 is characterized in that: on described housing and the shielding casing, be respectively arranged with first, second through hole with insulating body projection correspondence position.

7. as claim 2 or 3 described electric connectors, it is characterized in that: described conducting terminal comprises weld part that extends outside and the contact site that is exposed to enclosure interior at least.

8. electric connector as claimed in claim 7 is characterized in that: described shielding casing comprises horizontal part that places conducting terminal weld part top and the vertical component effect of assembling in enclosure interior and insulating body, and wherein, above-mentioned vertical component effect both ends are provided with retaining sheet.

9. electric connector as claimed in claim 8 is characterized in that: described retaining sheet roughly is vertical setting with vertical component effect, and retaining sheet is connected to housing sidewall, and shielding casing and housing be further fixing by carrying out radium-shine spot welding in this retaining sheet position.

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