CN201440492U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN201440492U CN201440492U CN2009203035149U CN200920303514U CN201440492U CN 201440492 U CN201440492 U CN 201440492U CN 2009203035149 U CN2009203035149 U CN 2009203035149U CN 200920303514 U CN200920303514 U CN 200920303514U CN 201440492 U CN201440492 U CN 201440492U
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- Prior art keywords
- insulating body
- terminal
- electric connector
- conducting terminal
- conducting
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Abstract
The utility model relates to an electric connector which is used for electrically connecting a chip module and a circuit board. The electric connector comprises an insulating body and a plurality of conductive terminals which are contained in the insulating body in rows, wherein the insulating body comprises an upper surface and a lower surface which are correspondingly arranged, and a plurality of rows of terminal slots at unequal intervals are arranged on the upper surface and the lower surface. Each conductive terminal comprises a first elastic arm and a second elastic arm which are respectively extended out of the upper surface and the lower surface of the insulating body; the ends of the elastic arms are respectively provided with a first contact part and a second part. The extending lengths and the included angles with the vertical direction of the corresponding elastic arms of the conductive terminals in the same row are not completely the same, and thus, after the conductive terminals are assembled with the insulating body, the spacing of the first contact parts and the spacing of the second contact parts of the same row of conductive terminals are different, and the electric connector can be used for connecting the chip module and the circuit board with different conductive sheet spacing.
Description
[technical field]
The utility model is about a kind of electric connector, relates in particular to a kind of electric connector of planar grid array that chip module is electrically connected to circuit board.
[technical background]
Electric connector can be divided into planar lattice array (Land GridArray) electric connector according to the way of contact of conducting terminal and chip module or circuit board, ball-shaped grid array (Ball Grid Array) electric connector and stitch grid array (Pin GridArray) electric connector.
The United States Patent (USP) of announcing on July 11st, 2006 has disclosed a kind of way of contact with chip module, circuit board for No. 7074048 and has been respectively the electric connector of LGA (Land Grid Array), BGA (Ball Grid Array).This electric connector comprises insulating body and is housed in the interior plurality of conductive terminals of insulating body.Insulating body is provided with the terminal groove of some equidistant arrangements.Conducting terminal is housed in the terminal groove of insulating body, the elastic arm that it comprises base portion, extend to be provided with by base portion one end, extends the horizontal weld part that is provided with, the tin ball of being located at the contact site of elastic arm end and being located at the weld part below by the base portion other end.After the conducting terminal group was gone into insulating body, the spacing between the contact site of adjacent conductive terminal was identical with spacing between corresponding weld part.Electric connector is by the conducting strip welding of tin ball and circuit board, and the contact site by conducting terminal contacts the electric connection between realization chip module and the circuit board with the conducting strip of chip module.
Along with electric equipment constantly develops to miniaturization, high-speed direction, the density of the conducting terminal of LGA electric connector is also increasing.Because the technical development of chip module and circuit board is inconsistent, new processing procedure can obtain the chip module of littler conducting strip spacing.But,, then need higher processing cost and rate of finished products low if will make the circuit board that has identical conduction sheet spacing with chip module.Above-mentioned electric connector only can electrically connect identical chip module of conducting strip spacing and circuit board, is not useable for electrically connecting different chip module of conducting strip spacing and circuit board, thereby has limited the development of little spacing superchip module.In addition, electric connector is connected on the circuit board by the tin ball bonding, can increase the whole height of electric connector.
Therefore, necessaryly provide a kind of improved electric connector, to overcome the defective that above-mentioned electric connector exists.
[utility model content]
The purpose of this utility model provides and a kind ofly electrically connects chip module and the circuit board with different conducting strip spacings, and can reduce the electric connector of height.
Electric connector of the present utility model is to be achieved through the following technical solutions: a kind of electric connector, be used to electrically connect chip module and circuit board, and it comprises insulating body and some conducting terminals that in a row is housed in the insulating body.Insulating body comprises upper surface and the lower surface that is oppositely arranged, and which is provided with the terminal groove that the plurality of rows spacing does not wait row.Every row's conducting terminal comprises several conducting terminals, and each conducting terminal comprises first elastic arm that extends the insulating body upper surface and second elastic arm that extends the insulating body lower surface, and two elastic arm ends are respectively equipped with first contact site and second contact site.With the development length of arranging the corresponding elastic arm of conducting terminal, incomplete same with the vertical direction angle, the spacing of first contact site of adjacent conductive terminal is different with the spacing of second contact site after can making the conducting terminal group go in the terminal groove of insulating body, thereby makes electric connector connect different chip module and the circuit boards of conducting strip spacing.
Compared with prior art, cooperating of the terminal groove that the development length of electric connector of the present utility model by elastic arm, the conducting terminal all different with the vertical direction angle and unequal-interval are arranged, make with the spacing between first contact site of adjacent two conducting terminals of row different with spacing between second contact site, thereby realize chip module and the circuit board that the electric connector electric connection has different conducting strip spacings.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model electric connector.
Fig. 2 is the three-dimensional exploded view of the utility model electric connector.
Fig. 3 is the stereogram of row's conducting terminal of the utility model electric connector.
Fig. 4 is the end view of row's conducting terminal shown in Figure 3.
Fig. 5 is the schematic diagram that the utility model electric connector is connected with chip module, circuit board.
[embodiment]
See also Fig. 1 to shown in Figure 5, the utility model is a kind of electric connector 100 that electrically connects chip module 3 and circuit board 4.This electric connector 100 comprises insulating body 1 and is housed in plurality of conductive terminals 2 in the insulating body 1.Be equipped with the plurality of conducting strips 30,40 that can contact on chip module 3 and the circuit board 4 with conducting terminal 2.
Please consult Figure 1 and Figure 2 by emphasis, insulating body 1 is made by insulating material, and is the tabular structure, and it comprises upper surface 10 and lower surface 11.Also be provided with some upper surface 10 and lower surface 11 and terminal grooves of arranging 12 in a row of running through on the insulating body 1.The holding slot 121 that each terminal groove 12 includes accepting groove 120 and is connected with accepting groove 120 1 sides.Holding slot 121 is used for conducting terminal 2 is retained on insulating body 1, and it has 2 groups of bootable conducting terminals and goes into some guide ramp 122 in the insulating body 1.Each row's terminal groove 12 is called as a terminal groove group (not label), and it comprises seven terminal grooves 12 that are arranged side by side, and is labeled as T1, T2 from left to right respectively ... T7, and insulating body 1 is divided into first area A, second area B two zones.First area A comprises terminal groove T1-T3, and second area B comprises terminal groove T4-T7.First area A, second area B two area end pilot trench T1-T3 and T4-T7 difference are: the guide ramp 122 of the holding slot 121 of first area A terminal groove T1-T3 is positioned on the upper surface 10 of insulating body 1, and bootable conducting terminal 2 is organized to go in the insulating body 1 from top to bottom.The guide ramp 122 of the holding slot 121 of the terminal groove T4-T7 of second area B is positioned on the lower surface 11 of insulating body 1, and bootable conducting terminal 2 is organized to go in the insulating body 1 from bottom to top.The spacing P1 of the holding slot 121 of first area A adjacent both ends pilot trench 12 is different with the spacing P2 of the holding slot 121 of second area B adjacent both ends pilot trench 12, and the former spacing P1 is greater than latter's spacing P2.And the spacing between the holding slot 121 of the holding slot 121 of first area A terminal groove T3 and second area B terminal groove T4 is also P1.
Please consult Fig. 3 to shown in Figure 5 by emphasis, conducting terminal 2 is by the moulding of metal material integrated punching, and it comprises base portion 20, is vertically bent holding parts 23 and the guidance part 24 that extends the elastic arm that is provided with, vertically extended setting by the two ends of base portion 20 by the middle part of base portion 20.Elastic arm comprises by base portion 20 and extends upward first elastic arm 25 of setting and extend second elastic arms 26 that are provided with downwards by base portion 20.First elastic arm 25 comprises by base portion 20 and extends first arm 250 that is provided with and first adjutage 251 that is gone out the upper surface 10 of insulating body 1 by first arm, 250 terminal bending diagonally extendings straight up.Second elastic arm 26 comprises by base portion 20 and extends second arm 260 that is provided with and second adjutage 261 that is gone out the lower surface 11 of insulating body 1 by second arm, 260 terminal bending diagonally extendings straight down.The development length of first arm 250 of first elastic arm 25 is identical with the development length of second arm 260 of second elastic arm 26.First adjutage, 251 ends of first elastic arm 25 are provided with arcuation first contact site 220, can contact the electric connection that is used to realize 100 of chip module 3 and electric connectors with the conducting strip 30 of chip module 3.Second adjutage, 261 ends of second elastic arm 26 are provided with arcuation second contact site 221, can contact with the conducting strip 40 of circuit board 4, are used to realize the electric connection of electric connector 100 and circuit board 4.Described holding parts 23 is vertically to extend setting by the both sides of base portion 20, can fix in the holding slot 121 of insulating body 1, is used for conducting terminal 2 is retained on insulating body 1.Guidance part 24 and holding parts 23 are oppositely arranged on the both sides of base portion 20, are used for guiding 2 groups of conducting terminals to go into the terminal groove 12 of insulating body 1.Described base portion 20, holding parts 23 and guidance part 24 are positioned at same perpendicular.
Conducting terminal 2 is in a row to be housed in the terminal groove 12 of insulating body 1.Every row's conducting terminal 2 is called as a terminal group (not label), and it comprises that seven are arranged side by side and two kinds of conducting terminals 2 of identical in structure.Seven conducting terminals 2 that comprised in each terminal group (not label) are labeled as S1, S2 from left to right respectively ... S7, and can be divided into left and right sides two parts according to the different modes that group is gone in the insulating body 1, left part comprises conducting terminal S1-S3, is to be housed in successively among the first area A terminal groove T1-T3 of insulating body 1; The right side branch comprises conducting terminal S4-S7, is to be housed in successively among the second area B terminal groove T4-T7 of insulating body 1.Left and right sides two parts conducting terminal S1-S3 and S4-S7 difference are: the holding parts 23 of left side conducting terminal S1-S3 is to extend setting straight up by the two ends of base portion 20, guidance part 24 is to extend setting straight down by the two ends of base portion 20, and bootable conducting terminal S1-S3 organizes among the first area A terminal groove T1-T3 of insulating body 1 from top to bottom successively.The development length of first adjutage 251 of each conducting terminal 2 of conducting terminal S1-S3, with the vertical direction angle respectively greater than the development length of its second adjutage 261 and with the vertical direction angle.The development length of first adjutage 251 of conducting terminal S1-S3, with the vertical direction angle all reduce the development length of second adjutage 261, all identical from left to right successively with the vertical direction angle.And the spacing P1 of terminal groove T1-T3 is identical, can make the spacing of first contact site 220 of adjacent two conducting terminals 2 of conducting terminal S1-S3 be P4 thus, and the spacing of second contact site 221 is P3, and spacing P4 is less than spacing P3.And the difference between spacing P3 and P4 equals the difference between terminal groove P1 and P2, i.e. P3-P4=P1-P2.
And the holding parts 23 of right side conducting terminal S4-S7 is to extend setting straight down by the two ends of base portion 20, guidance part 24 is to extend setting straight up by the two ends of base portion 20, and bootable conducting terminal S4-S7 organizes among the second area B terminal groove T4T7 of insulating body 1 from bottom to top successively.The development length of first adjutage 251 of conducting terminal S4, the angle that become with vertical direction respectively with the development length of second adjutage 261 with and the angle that become with vertical direction identical.The development length of first adjutage 251 of each conducting terminal 2 of conducting terminal S5-S7, with the vertical direction angle respectively less than the development length of its second adjutage 261 and with the vertical direction angle.The development length of first adjutage 251 of conducting terminal S4-S7, identical respectively from left to right with the vertical direction angle, all increases successively with the angle of vertical direction the development length of second adjutage 261.And the spacing P2 of terminal groove T4-T7 is identical, can make the spacing of first contact site 220 of adjacent two conducting terminals 2 of conducting terminal S4-S7 identical thus, and the spacing of second contact site 221 is also identical.
In addition, the development length of first adjutage 251 of conducting terminal S1-S4, with the vertical direction angle respectively with the development length of second adjutage 261 of conducting terminal S7-S4, all identical successively with the vertical direction angle.The development length of second adjutage 261 of conducting terminal S1-S4, with the vertical direction angle also with the development length of first adjutage 251 of conducting terminal S7-S4, identical with the vertical direction angle.Be that conducting terminal S1-S3 is identical respectively with the structure of S7-S5, turn upside down when only being assembling.Can find out by above structure, the development length of first adjutage 251 of the conducting terminal S1-S4 of each conducting terminal group (not label), all reduce successively from left to right with the vertical direction angle, the development length of second adjutage 261 of the conducting terminal S4-S7 of each conducting terminal group (not label), all increase successively from left to right with the vertical direction angle.
Because of the spacing P2 of the holding slot 121 of the adjacent both ends pilot trench 12 of terminal groove T4-T7 spacing P1 less than the holding slot 121 of the adjacent both ends pilot trench 12 of terminal groove T1-T4, when conducting terminal S1-S3 organizes among the terminal groove T1-T3 of insulating body 1 from top to bottom successively, conducting terminal S4-S7 is after group is gone among the terminal groove T4-T7 of insulating body 1 successively from bottom to top, first contact site 220 of conducting terminal S4-S1 is gradually the formula of drawing close and arranges, second contact site 221 of conducting terminal S4-S7 is gradually diffusion type and arranges, under the spacing compensation of terminal groove T4-T7, be P4=P3+P2-P1, the spacing that can make first contact site 220 of conducting terminal S4-S7 is P4, and the spacing of second contact site 221 of conducting terminal S4-S7 is P3.Can make the spacing of first contact site 220 of the adjacent conductive terminal 2 of S1-S7 be P4 thus, the spacing of second contact site 221 is P3, connects the function of chip module 3 with the circuit board 4 of different conducting strip 30,40 spacings to realize electric connector 100.
During assembling, under the guiding of the guidance part 24 of conducting terminal 2 with conducting terminal S1-S3 from top to bottom successively group go among the first area A terminal groove T1-T3 of insulating body 1, with conducting terminal S4-S7 from bottom to top successively group go among the second area B terminal groove T4-T7 of insulating body 1.At this moment, the holding parts 23 of conducting terminal 2 is fastened in the holding slot 121 of terminal groove 12 of insulating body 1, is used for conducting terminal 2 is retained on insulating body 1.Upper surface 10, the first contact sites 220 that first adjutage 251 of conducting terminal 2 stretches out insulating body 1 can contact with the conducting strip 30 of chip module 3, are used to realize the electric connection of 100 of chip module 3 and electric connectors.Lower surface 11, the second contact sites 221 that second adjutage 261 of conducting terminal 2 stretches out insulating body 1 can contact with the conducting strip 40 of circuit board 4, are used to realize the electric connection of 4 of electric connector 100 and circuit boards.At this moment, promptly realized the electric connection of 4 of chip module 3 and circuit boards.
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 (10)
1. electric connector, be used to electrically connect chip module and circuit board, it comprises insulating body and plurality of conductive terminals, insulating body has upper surface and the lower surface that is oppositely arranged, conducting terminal in a row is housed in the insulating body, each conducting terminal comprises first elastic arm that extends the insulating body upper surface and second adjutage that extends the insulating body lower surface, two elastic arm ends are respectively equipped with first contact site and second contact site, it is characterized in that: also be provided with the terminal groove that the plurality of rows spacing does not wait on the described insulating body, described development length with the corresponding elastic arm of row's conducting terminal, incomplete same with the vertical direction angle, the spacing that the conducting terminal group is gone between first contact site of adjacent conductive terminal behind the terminal groove of insulating body is different with spacing between second contact site, thereby makes electric connector connect chip module and the circuit board with different conducting strip spacings.
2. electric connector as claimed in claim 1 is characterized in that: the terminal groove of described insulating body is divided into first area and second area two zones, and the spacing between the abutting end pilot trench of described first area is greater than the spacing between second area abutting end pilot trench.
3. electric connector as claimed in claim 2, it is characterized in that: with row be housed in the conducting terminal first adjutage of the conducting terminal in the terminal groove of insulating body first area development length, all reduce successively from left to right with the vertical direction angle, be housed in the development length, respectively identical with the vertical direction angle of first adjutage of the conducting terminal of insulating body second area terminal groove, it is identical that the conducting terminal group is gone into behind the insulating body with the spacing of first contact site of adjacent two conducting terminals of row.
4. electric connector as claimed in claim 3, it is characterized in that: with the development length that is housed in second adjutage of the conducting terminal in the terminal groove of insulating body first area in row's conducting terminal, identical respectively with the vertical direction angle, be housed in second adjutage of the conducting terminal in the insulating body second area terminal groove development length, all increase successively from left to right with the vertical direction angle, it is identical that the conducting terminal group is gone into behind the insulating body with the spacing of second contact site of adjacent two conducting terminals of row.
5. electric connector as claimed in claim 4 is characterized in that: the difference between the spacing between first area, second area abutting end pilot trench is with identical with the difference of second contact site of arranging adjacent two conducting terminals and first contact site.
6. electric connector as claimed in claim 5, it is characterized in that: every row's conducting terminal includes two kinds of identical conducting terminals of structure, only be that group is gone into the mode difference in the insulating body, a kind of is to insert from top to bottom, and another kind is to insert from bottom to top after the turned upside down.
7. electric connector as claimed in claim 6, it is characterized in that: described terminal groove comprises accepting groove and the holding slot that is connected with accepting groove, described holding slot is provided with some guide ramp, the guide ramp of described insulating body first area terminal groove is positioned at the upper surface place of insulating body, and the guide ramp of described insulating body second area terminal groove is positioned at the lower surface place of insulating body.
8. electric connector as claimed in claim 7, it is characterized in that: described conducting terminal also comprises base portion, is vertically extended the holding parts and the guidance part of setting by base portion, described holding parts and guidance part are positioned at same plane, and lay respectively at the both sides of base portion.
9. electric connector as claimed in claim 8 is characterized in that: the described holding parts that is housed in the conducting terminal in the insulating body first area extends upward setting by described base portion two ends, and guidance part extends setting downwards by the base portion two ends.
10. electric connector as claimed in claim 8 is characterized in that: the described holding parts that is housed in the conducting terminal in the insulating body second area extends setting downwards by the base portion two ends, and guidance part extends setting downwards by the base portion two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203035149U CN201440492U (en) | 2009-05-25 | 2009-05-25 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203035149U CN201440492U (en) | 2009-05-25 | 2009-05-25 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440492U true CN201440492U (en) | 2010-04-21 |
Family
ID=42545152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203035149U Expired - Fee Related CN201440492U (en) | 2009-05-25 | 2009-05-25 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440492U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799961A (en) * | 2017-09-15 | 2018-03-13 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
| CN110829069A (en) * | 2018-11-01 | 2020-02-21 | 富士康(昆山)电脑接插件有限公司 | Connector and combination thereof |
| CN110867685A (en) * | 2019-12-06 | 2020-03-06 | 海光信息技术有限公司 | Electronic connecting device and electronic device |
| CN111525310A (en) * | 2020-04-21 | 2020-08-11 | 番禺得意精密电子工业有限公司 | Electric connector and manufacturing method thereof |
| CN110098507B (en) * | 2019-04-12 | 2020-09-25 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN111817098A (en) * | 2020-08-31 | 2020-10-23 | 上海燧原科技有限公司 | Electronic load |
-
2009
- 2009-05-25 CN CN2009203035149U patent/CN201440492U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
| CN107799961A (en) * | 2017-09-15 | 2018-03-13 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN107799961B (en) * | 2017-09-15 | 2020-07-28 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN110829069A (en) * | 2018-11-01 | 2020-02-21 | 富士康(昆山)电脑接插件有限公司 | Connector and combination thereof |
| CN110829069B (en) * | 2018-11-01 | 2023-07-18 | 富士康(昆山)电脑接插件有限公司 | Connector and combination thereof |
| CN110098507B (en) * | 2019-04-12 | 2020-09-25 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN110867685A (en) * | 2019-12-06 | 2020-03-06 | 海光信息技术有限公司 | Electronic connecting device and electronic device |
| CN110867685B (en) * | 2019-12-06 | 2021-08-10 | 海光信息技术股份有限公司 | Electronic connecting device and electronic device |
| CN111525310A (en) * | 2020-04-21 | 2020-08-11 | 番禺得意精密电子工业有限公司 | Electric connector and manufacturing method thereof |
| CN111525310B (en) * | 2020-04-21 | 2021-11-16 | 番禺得意精密电子工业有限公司 | Electric connector and manufacturing method thereof |
| CN111817098A (en) * | 2020-08-31 | 2020-10-23 | 上海燧原科技有限公司 | Electronic load |
| CN111817098B (en) * | 2020-08-31 | 2020-11-27 | 上海燧原科技有限公司 | Electronic load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20170525 |