CN201167199Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN201167199Y CN201167199Y CNU2008200062578U CN200820006257U CN201167199Y CN 201167199 Y CN201167199 Y CN 201167199Y CN U2008200062578 U CNU2008200062578 U CN U2008200062578U CN 200820006257 U CN200820006257 U CN 200820006257U CN 201167199 Y CN201167199 Y CN 201167199Y
- Authority
- CN
- China
- Prior art keywords
- electric connector
- spherical contact
- conducting terminal
- chip module
- contact site
- 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
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 25
- 230000004308 accommodation Effects 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to an electrical connector, which is used for connecting to a plurality of spherical contact parts, and a circuit board arranged on a chip module. The electrical connector comprises an insulating body and a plurality of conducting terminals, wherein, an upper surface used for corresponding to the chip module and a lower surface corresponding to the circuit board, a plurality of terminal accommodating holes respectively penetrating the upper surface and the lower surface are arranged in the insulating body, the conducting terminal comprises a body part correspondingly arranged in the terminal accommodating hole and two elastic arms extending toward the direction of the upper surface from the body part, an accommodating space correspondingly accommodating a spherical contact part is formed between the two elastic arms, and a lug correspondingly clamping the two sides of the spherical contact part is respectively arranged on the two elastic arms corresponding to the upper part of the elastic space. Compared with the prior art, the electrical connector respectively clamps the two sides of the spherical contact part respectively through the two lugs, to allow the spherical contact part to be stably clamped in the containing space, thereby the electrical connection between the chip module and the electrical connector is more stable.
Description
[technical field]
The utility model relates to a kind of electric connector.
[background technology]
It is a kind of commercial use electric connector more and more widely that sphere is deleted lattice array connector (BGA), has the spherical contact site of tin of the array of being arranged on this BGA connector bottom surface, by reflow soldering process BGA is connected on the circuit board then; Simultaneously, the chip module that matches with BGA (as CPU) also is provided with the spherical contact site that electrically connects with BGA, when chip module was assembled on the BGA electric connector, the spherical contact site of chip module and the conducting terminal of BGA contacted with each other, and realized the electric connection of CPU and BGA electric connector.
The BGA electric connector generally comprises insulating body and group and is located at conducting terminal on the insulating body, as the disclosed a kind of BGA electric connector of No. 5746608 patent of United States Patent (USP), its conducting terminal comprises that main part reaches by the upwardly extending contact arm of main part, this contact arm comprises the arm of putting between pair of separated, the free end of arm expands outwardly separately, so that make spherical contact site enter zone between two arms easily.When inserting spherical contact site, two arms are deflected separately, and the deformation force by arm clamps spherical contact site.But, because contact jaw is spherical, and the contact arm of clamping face is an arc, the spherical contact site of elastic force clamping of simple use elastic arm is unsettled, too small or run into vibrations when violent when resilient clamp power, the tin ball may break away from conducting terminal, causes chip module and electric connector short circuit, makes the electric connector job insecurity.
Therefore, be necessary to design a kind of novel electric connector, to overcome the problems referred to above.
[utility model content]
The purpose of this utility model is to provide one to electrically connect stable electric connector.
In order to achieve the above object, the utility model electric connector adopts following technical scheme: a kind of electric connector, in order to electrically connect a most spherical contact site set on the chip module and a circuit board, comprise: an insulating body, be provided with a upper surface and a lower surface corresponding of being used for corresponding described chip module with described circuit board, be provided with most terminal accommodation holes in the described insulating body, run through described upper surface and described lower surface respectively; And multi-conducting terminals, described conducting terminal comprises that a main part correspondence is arranged in the described terminal accommodation holes, and by two elastic arms of described main part to described upper surface direction extension, form a receiving space correspondence between described two elastic arms and accommodate described one spherical contact site, the corresponding described receiving space of described two elastic arms top is respectively equipped with the described spherical contact site of the corresponding clamping of projection both sides.
Compared with prior art, the utility model electric connector is by being respectively equipped with a projection above the corresponding receiving space of conducting terminal two elastic arms, and when chip module is mounted on the electric connector, make the described spherical contact site of the corresponding clamping of this two projection both sides, and this two projection can be fastened in the described receiving space the spherical contact site of chip module is stable, thereby makes the electric connection between chip module and the electric connector more stable.
[description of drawings]
Fig. 1 is the stereogram after the utility model electric connector and the chip assembling;
Fig. 2 is the stereogram of electric connector shown in Figure 1;
Fig. 3 is an electric connector other direction stereogram shown in Figure 2;
Fig. 4 is the partial sectional view of Fig. 1;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the chip module stereogram.
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.
See also Fig. 1, Fig. 2, Fig. 4 and Fig. 6, the utility model electric connector is used to connect chip module 30 to circuit board (not shown), and it comprises an insulating body 10, one loam cakes 17, most retainers 18 and multi-conducting terminals 20.Wherein, described conducting terminal 20 is contained in the described insulating body 10, and described retainer 18 is held in described loam cake 17 on this electric connector, so that described loam cake 17 presses described chip module 30 on described insulating body 10.
Described chip module 30 is provided with spherical contact site 31, at this described spherical contact site 31 is defined as the first tin ball 31, and itself and described conducting terminal 20 electrically connect, and then realize the electric connection of chip module 30 and described electric connector.
In addition, also be provided with the scolder 40 that some and described circuit board (not shown) welds mutually on this electric connector, this scolder 40 is the tin ball, is defined herein as the second tin ball 40.
Please refer to Fig. 2, Fig. 3 to Fig. 5, described insulating body 10 is provided with said chip module 30 corresponding upper surfaces 11 and reaches and the corresponding a lower surface 12 of foregoing circuit plate (not shown), wherein, described upper surface 11 is provided with a rectangular depression space 13, it is used to accommodate said chip module 30, described lower surface 12 is provided with one second receiving space 14, is used to accommodate the above-mentioned second tin ball 40.In addition, described insulating body 10 is provided with most terminal accommodation holes 110 in described upper surface 11 and 12 of lower surfaces, it communicates with above-mentioned second receiving space 14 and is used to accommodate above-mentioned conducting terminal 20, is provided with two stopping surfaces 15 and two stage portion 16 in described each terminal accommodation holes 110.
See also Fig. 5 and Fig. 6, described conducting terminal 20 is mounted in the above-mentioned terminal accommodation holes 110, and it comprises that a main part 21 correspondences are arranged in the above-mentioned terminal accommodation holes 110, and by two elastic arms 22 of described main part 21 to above-mentioned upper surface 11 directions extension.Form a receiving space B correspondence between described two elastic arms 22 and accommodate above-mentioned one spherical contact site 31 (i.e. the first tin ball 31), the described corresponding described receiving space B tops of two elastic arms 22 (being elastic arm 22 ends) are respectively to projecting inward formation one projection 23 of described receiving space B, the both sides of the described spherical contact site 31 of described two projections 23 corresponding clampings (i.e. the first tin ball 31).In addition, described main part 21 other ends extend to form a junction 26 downwards.
Described main part 21 both sides are respectively equipped with an interference part 25 and a stop section 27 of protrusion.The mutual interference engagement of friction is passed through with above-mentioned terminal accommodation holes 110 inwalls in described interference part 25, makes described conducting terminal 20 be immobilizated in more closely in the described terminal accommodation holes 110.Described stop section 27 is after described conducting terminal 20 inserts in the described terminal accommodation holes 110, and it can be resisted against on the above-mentioned stopping surface 15, with described conducting terminal 20 in the vertical directions location, avoids described conducting terminal 20 to move up.
Described elastic arm 22 outsides are protruded and are provided with a holding parts 24, and described each holding parts 24 is provided with an arc guiding face 28.Described holding parts 24 is detained to hold mutually with above-mentioned stage portion 16 and is cooperated, to avoid making that when described chip module 30 is crimped on described electric connector described conducting terminal 20 moves down.Described arc guiding face 28 can be guided described elastic arm 22 inside elastic deformations when described conducting terminal 20 inserts above-mentioned terminal accommodation holes 110, so that in the described terminal accommodation holes 110 of described conducting terminal 20 insertions.
See also Fig. 1 to Fig. 6, during assembling, at first, the lower surface 12 of described conducting terminal 20 from described electric connector insulating body 10 inserted in the terminal accommodation holes 110 of this insulating body 10 to described upper surface 11, at this moment, under the guide function of the arc guiding face 28 of described conducting terminal 20, the elastic arm 22 inside elastic deformations of described conducting terminal 20, thus make described conducting terminal 20 can insert fully in the described terminal accommodation holes 110.After described conducting terminal is arranged in the terminal accommodation holes 110 of described insulating body 10 fully, the interference part 25 of described conducting terminal 20 and the inwall interference engagement of the terminal accommodation holes 110 of described insulating body 10 make described conducting terminal 20 be immobilizated in more closely in the described terminal accommodation holes 110; The stop section 27 of described conducting terminal 20 is resisted against on the stopping surface 15 of described insulating body 10, with described conducting terminal 20 in the vertical directions location, avoids described conducting terminal 20 to move up; The holding parts 24 of described conducting terminal 20 is detained to hold mutually with the stage portion of described insulating body 10 16 and is cooperated, to avoid making that when described chip module 30 is crimped on described electric connector described conducting terminal 20 moves down; Junction 26 parts of described conducting terminal 20 are revealed in the lower surface 10 of described insulating body 10, and are connected with the above-mentioned second tin ball 40.
Secondly, in the dented space 13 with the described insulating body 10 of described chip module 30 windings, at this moment, described projection 23 surpasses spherical contact site 31 (the first tin ball 31) at least 1/2 place from bottom to up of described chip module 30, make described spherical contact site 31 (the first tin ball 31) half is fastened among the receiving space B at least, thereby be pressed into the tin ball receiving space B of described conducting terminal 20 when the described first tin ball 31 after, the described first tin ball 31 is subjected to the side direction chucking power to described electric connector direction (promptly downward), increase along with the 22 pairs of described first tin ball, 31 chucking powers of described elastic arm, described chip module 30 increases with the engaging force of described electric connector, can effectively avoid described chip module 30 and described electric connector to break away from.Certainly, in other embodiments, also can be respectively equipped with a groove (not shown) near the position below the described receiving space B in the both sides of the described first tin ball 31, and this projection 23 is held in the described groove (not shown), like this, 23 of described projections can not be arranged at the described first tin ball 31 at least 1/2 place from bottom to up, but equally also can avoid described chip module 30 and described electric connector to break away from.
Once more, the described second tin ball 40 is arranged in second receiving space 14 of described insulating body 10, makes it be connected with the junction 26 of described conducting terminal 20.
Then, described retainer 18 and described loam cake 17 are installed on the insulating body 10 of described electric connector, and make described retainer 18 that described loam cake 17 is held on the described insulating body 10, so that described chip module 30 is pressed on described insulating body 10, thereby realize electric connection between described chip module 30 and the described electric connector.
At last, described electric connector winding to the described circuit board (not shown), and is soldered to described electric connector on the described circuit board (not shown) by the described second tin ball 40.
In sum, because the utility model electric connector is by being respectively equipped with a projection above the corresponding receiving space of conducting terminal two elastic arms, and when chip module is mounted on the electric connector and combines with electric connector, make the described spherical contact site of the corresponding clamping of the two projections both sides of conducting terminal, and surpass spherical contact site (the first tin ball) at least 1/2 place from bottom to up, thereby make the projection of conducting terminal to be fastened in this receiving space the spherical contact site (the first tin ball) of chip module is stable, and the tin ball is subjected to downward side direction chucking power, like this, the tin ball just can not be separated with conducting terminal, make the electric connection between chip module and the electric connector more stable, improve the electric connection performance of electric connector, and avoided in the prior art in vibrations hour conducting terminal and the tin ball defective of disengaging easily of violent or conducting terminal chucking power.
Claims (9)
1. an electric connector in order to electrically connect a most spherical contact site set on the chip module and a circuit board, is characterized in that, comprising:
One insulating body is provided with a upper surface and a lower surface corresponding with described circuit board of being used for corresponding described chip module, is provided with most terminal accommodation holes in the described insulating body, runs through described upper surface and described lower surface respectively; And
Multi-conducting terminals, described conducting terminal comprises that a main part correspondence is arranged in the described terminal accommodation holes, and by two elastic arms of described main part to described upper surface direction extension, form a receiving space correspondence between described two elastic arms and accommodate described one spherical contact site, the corresponding described receiving space of described two elastic arms top is respectively equipped with the described spherical contact site of the corresponding clamping of projection both sides.
2. electric connector according to claim 1, it is characterized in that: described projection is positioned at described elastic arm end, and is positioned at and surpasses described spherical contact site at least 1/2 place from bottom to up.
3. electric connector according to claim 1, it is characterized in that: described electric connector is provided with most scolders that weld mutually with described circuit board, and described conducting terminal main part extends to form the junction that is connected with described scolder downwards.
4. as electric connector as described in the claim 3, it is characterized in that: described insulating body terminal accommodation holes is provided with one second receiving space of accommodating described scolder near a side of described lower surface.
5. electric connector according to claim 1 is characterized in that: protrude on the described conducting terminal elastic arm and be provided with holding parts, be provided with stage portion in the described terminal accommodation holes, described stage portion and described holding parts offset.
6. as electric connector as described in the claim 6, it is characterized in that: described holding parts is provided with the arc guiding face.
7. electric connector according to claim 1, it is characterized in that: described terminal accommodation holes is provided with stopping surface near an end of described lower surface, described conducting terminal main part both sides are provided with the stop section, and when conducting terminal moved up, described stop section was held in described stopping surface.
8. electric connector according to claim 1 is characterized in that: described electric connector is provided with at least one retainer that a loam cake and button are held this loam cake.
9. electric connector according to claim 1, it is characterized in that: described spherical contact site is a tin ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200062578U CN201167199Y (en) | 2007-02-06 | 2008-02-06 | Electric connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720048331.8 | 2007-02-06 | ||
| CN200720048331 | 2007-02-06 | ||
| CNU2008200062578U CN201167199Y (en) | 2007-02-06 | 2008-02-06 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167199Y true CN201167199Y (en) | 2008-12-17 |
Family
ID=40192589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200062578U Expired - Lifetime CN201167199Y (en) | 2007-02-06 | 2008-02-06 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201167199Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034432A (en) * | 2019-05-07 | 2019-07-19 | 番禺得意精密电子工业有限公司 | Electric connector combination |
| CN110112595A (en) * | 2019-05-07 | 2019-08-09 | 番禺得意精密电子工业有限公司 | Electric connector and electric connector combination |
-
2008
- 2008-02-06 CN CNU2008200062578U patent/CN201167199Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034432A (en) * | 2019-05-07 | 2019-07-19 | 番禺得意精密电子工业有限公司 | Electric connector combination |
| CN110112595A (en) * | 2019-05-07 | 2019-08-09 | 番禺得意精密电子工业有限公司 | Electric connector and electric connector combination |
| CN110112595B (en) * | 2019-05-07 | 2020-10-30 | 番禺得意精密电子工业有限公司 | Electrical connector and electrical connector combination |
| CN110034432B (en) * | 2019-05-07 | 2020-12-22 | 番禺得意精密电子工业有限公司 | electrical connector combination |
| US11043763B2 (en) | 2019-05-07 | 2021-06-22 | Lotes Co., Ltd | Electrical connector and electrical connector assembly for connection to a circuit board with zero insertion force |
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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: 20081217 |