CN202797350U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN202797350U CN202797350U CN 201220348636 CN201220348636U CN202797350U CN 202797350 U CN202797350 U CN 202797350U CN 201220348636 CN201220348636 CN 201220348636 CN 201220348636 U CN201220348636 U CN 201220348636U CN 202797350 U CN202797350 U CN 202797350U
- Authority
- CN
- China
- Prior art keywords
- electric connector
- weld part
- conducting terminal
- insulating body
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides an electric connector for electrically connecting a chip module group to a circuit board. The electric connector comprises an insulation body, a plurality of conductive terminals which are fixedly arranged in the insulation body, and a plurality of solder balls, wherein the insulation body comprises an upper surface, a lower surface and a plurality of terminal accommodating holes penetrating through the upper and lower surfaces; the outer surface of each conductive terminal is plated with a metal coating; the conductive terminal comprises a welding part for welding the electric connector to the circuit board; the welding part comprises a bottom of the lower surface of the insulation body; the bottom is formed by bending a material strap; the bottom reveals the material for making conductive terminals; and the welding part is coordinated with the solder balls. The conductive terminals of the electric connector clamp balls using the welding part after bending the material strap, and the structure of the conductive terminals is simple.
Description
[technical field]
The utility model refers in particular to a kind of chip module that is electrically connected to the electric connector of circuit board relevant for a kind of electric connector.
[background technology]
Prior art such as Chinese utility model patent are announced No. 201937059 and have been disclosed a kind of electric connector relevant with the utility model, it is used for being electrically connected the chip module to circuit board, and this electric connector comprises insulating body, some conducting terminal and some tin balls that is immobilizated in the insulating body.This conducting terminal comprise that main part and autonomous body extend downwards in order to be soldered to the weld part of circuit board, described weld part comprises the clamping limb of the described tin ball of clamping.This conducting terminal also is provided with the part that is connected with strip, and namely strip is the both sides, main part upper end that are connected in conducting terminal.After removing by strip, thereby being soldered to circuit board with the weld part of conducting terminal, heat fused tin ball realizes being connected of electric connector and circuit board.
Yet, in the prior art, because the weld part of conducting terminal is provided with the clamping limb of clamping tin ball, the structure of weld part is complicated, the part that is connected with strip is to be located in addition other parts of conducting terminal, therefore the structure relative complex of conducting terminal takies larger space, is unfavorable for the development trend of electric connector miniaturization.
Therefore, necessary a kind of improved electric connector, the defective that exists to overcome prior art of providing.
[utility model content]
The purpose of this utility model provides a kind of electric connector with conducting terminal simple in structure.
The utility model electric connector can be achieved through the following technical solutions: a kind of electric connector, be used for being electrically connected the chip module to circuit board, described electric connector comprises insulating body and some conducting terminal and some tin balls that is immobilizated in the insulating body, described insulating body comprises upper surface, lower surface and some running through, the terminal accommodation holes of lower surface, the outer surface of described conducting terminal is coated with the coat of metal, described conducting terminal comprises in order to the weld part of electric connector welding to the circuit board, described weld part comprises the bottom surface of the lower surface that is positioned at insulating body, described bottom surface is to form behind the strip cracking-off, the bottom surface manifests makes the used material of conducting terminal, and described weld part matches with described tin ball.
The utility model further defines, and described weld part is removed rear and the described tin ball of the common clamping of described insulating body at strip.
The utility model further defines, and is provided with pre-broken string between described strip and the described weld part, and described bottom surface is described strip along the rear formation that fractures of described pre-broken string.
The utility model further defines, and described pre-broken string is v-notch.
The utility model further defines, and described weld part comprises the side towards described terminal accommodation holes, and described side is provided with pit, and described tin ball contacts and is immobilizated in the insulating body with described pit.
The utility model further defines, and the described coat of metal is Gold plated Layer, and the used material of described manufacturing conducting terminal is copper.
The utility model further defines, described conducting terminal comprise from weld part extend upward setting in order to conducting terminal is immobilizated in the holding parts in the insulating body, described weld part and described holding parts are positioned at same perpendicular.
The utility model further defines, and described conducting terminal also comprises from holding parts and extends upward the connecting portion of setting and from the connecting portion contact site that bending extend to arrange that is inclined upwardly, described contact site extends the upper surface of described insulating body.
The utility model further defines, and described terminal accommodation holes is provided with the guiding face of inclination in the lower surface place of insulating body.
The utility model further defines, and described terminal accommodation holes is provided with groove in the weld part place of conducting terminal, groove be arranged to have a gap between weld part and insulating body.
Compared to prior art, the conducting terminal of the utility model electric connector comprises in order to the weld part of electric connector welding to the circuit board, strip is connected in the lower end of described weld part, section after strip is removed is the bottom surface of weld part, then fill in the tin ball, the described tin ball of weld part mechanical grip is in insulating body.Because the strip of conducting terminal is to link to each other with the weld part lower end, strip is directly planted ball after removing, thereby the weld part of clamping tin ball is simple in structure and conducting terminal need not to establish in addition the part that links to each other with strip, so, conductive terminal structure is simple, is beneficial to the development trend of electric connector miniaturization.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model electric connector;
Fig. 2 is the three-dimensional combination figure of another angle of the utility model electric connector;
Fig. 3 is the three-dimensional exploded view of the utility model electric connector;
Fig. 4 is that the conducting terminal of the utility model electric connector is assembled into the stereogram that is connected with strip before the insulating body;
Fig. 5 is that the conducting terminal of the utility model electric connector is assembled into the stereogram that strip is removed behind the insulating body; And
Fig. 6 is that the utility model electric connector is along the cutaway view of the A-A line among Fig. 1.
[embodiment]
Please refer to Fig. 1 to shown in Figure 6, the utility model electric connector 100 is used for being electrically connected the chip module to circuit board.Described electric connector 100 comprises insulating body 1 and some conducting terminal 2 and some tin balls 3 that is immobilizated in the insulating body 1.
Please refer to Fig. 1 to shown in Figure 3, described insulating body 1 has upper surface 10, lower surface 12 and somely runs through upper and lower surperficial 10,12 terminal accommodation holes 11.Described terminal accommodation holes 11 is provided with the guiding face 110 of inclination in lower surface 12 places of insulating body 1, this guiding face 110 can be when being assembled to conducting terminal 2 and tin ball 3 in the terminal accommodation holes 11 guide function.Terminal accommodation holes 11 also comprises groove 111, and this groove 111 can be when being assembled to the weld part 22 of conducting terminal 2 with tin ball 3, for the distortion of weld part 22 provides deformation space.
Please refer to Fig. 3, shown in Figure 4, conducting terminal 2 comprises holding parts 21, by holding parts 21 to the weld part 22 of downward-extension setting, extend upward the connecting portion 23 of setting and extend the contact site 24 that arranges by connecting portion 23 bending that is inclined upwardly by holding parts 21.Holding parts 21 is positioned at same perpendicular, upper and lower surperficial 10,12 of the vertically insulated body 1 in this plane with weld part 22.Described holding parts 21 both sides are provided with some hangnails 211, in order to insulating body 1 interference engagement so that conducting terminal 2 is immobilizated in the terminal accommodation holes 11.Described weld part 22 has side 221 and bottom surface 222.Side 221 is towards terminal accommodation holes 11, in order to contact with tin ball 3.The groove 111 of terminal accommodation holes 11 is positioned at the another side place relative with side 221, and be arranged so that weld part 22 and 1 of the insulating body of groove 111 have a gap, and the strain that can be weld part 22 provides deformation space.Described side 221 is provided with spherical pit 2210, and this pit 2210 is in order to the described tin ball 3 of fixing and location.Bottom surface 222 is to form behind strip 4 cracking-offs.
Please emphasis with reference to shown in Figure 4, before conducting terminal 2 was inserted the terminal accommodation holes 11 of insulating bodies 1, described strip 4 was connected in the weld part 22 of described conducting terminal 2.The junction that described strip 4 links to each other with weld part 22 is provided with pre-broken string 40, and this breaks 40 in advance for v-notch.The outer surface of described conducting terminal 2 is coated with the coat of metal, and the described coat of metal is generally Gold plated Layer, and it is used for improving the good signal transmission of wear-corrosion resistance assurance of conducting terminal 2.
Please refer to shown in Figure 5ly, by strip 4 conducting terminal 2 is inserted insulating bodies 1, along the bottom surface 222 of the weld part 22 of pre-broken string 40 cracking-off strips 4 rear formation conducting terminals 2.Because bottom surface 222 is for the strip 4 rear direct formation that fractures, so there is not the coat of metal bottom surface 222, it manifests makes the used material of conducting terminal 2, and this material is generally copper material.
Please emphasis with reference to Fig. 2 to shown in Figure 5, during assembling, the conducting terminal 2 that at first will be connected with strip 4 is assembled to the terminal accommodation holes 11 from the lower surface 12 of insulating body 1, interference engagement by hangnail 211 is fixed, the contact site 24 of conducting terminal 2 extends the upper surface 10 of insulating body 1, then strip 4 is fractureed along pre-broken string 40 and remove the bottom surface 222 that forms weld part 22, bottom surface 222 is positioned at lower surface 12 places of insulating body 1, at last the lower surface 12 of tin ball 3 from the body 1 that insulate is assembled in the terminal accommodation holes 11, weld part 22 is to groove 111 strains, and by the described tin ball 3 of resilience force clamping, pit 2210 on the side 221 of tin ball 3 and weld part 22 contacts, and matches mechanical grip tin ball 3 in terminal accommodation holes 11 by weld part 22 and insulating body 1.The setting of the guiding face 110 of terminal accommodation holes 11 can make things convenient for conducting terminal 2 and tin ball 3 to be assembled in the terminal accommodation holes 11.Because the conducting terminal 2 of the utility model electric connector directly presss from both sides ball with the weld part 22 behind strip 4 cracking-offs, conducting terminal 2 simple in structure.
Should be understood that, the above only is preferred forms of the present utility model, it or not whole execution modes, 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 (10)
1. electric connector, be used for being electrically connected the chip module to circuit board, described electric connector comprises and is provided with upper surface, lower surface and some running through, the insulating body of the terminal accommodation holes of lower surface, some conducting terminal and some tin balls that match with conducting terminal that are immobilizated in the terminal accommodation holes, the outer surface of described conducting terminal is coated with the coat of metal, described conducting terminal comprises in order to the weld part of electric connector welding to circuit board, it is characterized in that: described weld part comprises the bottom surface that is positioned at described insulating body lower surface, described bottom surface is to form behind the strip cracking-off, described bottom surface manifests makes the used material of conducting terminal, and described weld part matches with described tin ball.
2. electric connector as claimed in claim 1 is characterized in that: described weld part after strip is removed with the described tin ball of the common clamping of described insulating body.
3. electric connector as claimed in claim 1 is characterized in that: be provided with pre-broken string between described strip and the described weld part, described bottom surface is described strip along the rear formation that fractures of described pre-broken string.
4. electric connector as claimed in claim 3, it is characterized in that: described pre-broken string is v-notch.
5. electric connector as claimed in claim 1, it is characterized in that: described weld part comprises the side towards described terminal accommodation holes, and described side is provided with pit, and described tin ball contacts and is immobilizated in the described insulating body with described pit.
6. electric connector as claimed in claim 1, it is characterized in that: the described coat of metal is Gold plated Layer, the used material of described manufacturing conducting terminal is copper.
7. electric connector as claimed in claim 1 is characterized in that: described conducting terminal comprise from weld part extend upward setting in order to conducting terminal is immobilizated in the holding parts in the insulating body, described weld part and described holding parts are positioned at same perpendicular.
8. electric connector as claimed in claim 7, it is characterized in that: described conducting terminal also comprises from holding parts and extends upward the connecting portion of setting and from the connecting portion contact site that bending extend to arrange that is inclined upwardly, described contact site extends the upper surface of described insulating body.
9. electric connector as claimed in claim 1, it is characterized in that: described terminal accommodation holes is provided with the guiding face of inclination in the lower surface place of insulating body.
10. electric connector as claimed in claim 1, it is characterized in that: described terminal accommodation holes is provided with groove in the weld part place of conducting terminal, groove be arranged to have a gap between weld part and insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348636 CN202797350U (en) | 2012-07-18 | 2012-07-18 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348636 CN202797350U (en) | 2012-07-18 | 2012-07-18 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797350U true CN202797350U (en) | 2013-03-13 |
Family
ID=47824546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220348636 Expired - Lifetime CN202797350U (en) | 2012-07-18 | 2012-07-18 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797350U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701654A (en) * | 2015-03-03 | 2015-06-10 | 番禺得意精密电子工业有限公司 | Electric connector and assembling method |
| US10116079B1 (en) | 2017-11-21 | 2018-10-30 | Lotes Co., Ltd | Electrical connector and terminal thereof |
| CN109861017A (en) * | 2019-04-16 | 2019-06-07 | 深圳市兴万联电子有限公司 | Electric connector |
| CN110034430A (en) * | 2019-03-29 | 2019-07-19 | 番禺得意精密电子工业有限公司 | Electric connector and its assemble method |
-
2012
- 2012-07-18 CN CN 201220348636 patent/CN202797350U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701654A (en) * | 2015-03-03 | 2015-06-10 | 番禺得意精密电子工业有限公司 | Electric connector and assembling method |
| US10116079B1 (en) | 2017-11-21 | 2018-10-30 | Lotes Co., Ltd | Electrical connector and terminal thereof |
| CN110034430A (en) * | 2019-03-29 | 2019-07-19 | 番禺得意精密电子工业有限公司 | Electric connector and its assemble method |
| CN109861017A (en) * | 2019-04-16 | 2019-06-07 | 深圳市兴万联电子有限公司 | Electric connector |
| CN109861017B (en) * | 2019-04-16 | 2023-10-20 | 深圳市兴万联电子有限公司 | Electric connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |