CN106785544A - CPU connector terminal - Google Patents
CPU connector terminal Download PDFInfo
- Publication number
- CN106785544A CN106785544A CN201611203021.9A CN201611203021A CN106785544A CN 106785544 A CN106785544 A CN 106785544A CN 201611203021 A CN201611203021 A CN 201611203021A CN 106785544 A CN106785544 A CN 106785544A
- Authority
- CN
- China
- Prior art keywords
- terminal
- contact
- guide portion
- contact arm
- cpu connector
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
A kind of public cpu connector terminal of the present invention, chip module to circuit board can be electrically connected with, it includes a pair of terminal contact arm that main body and autonomous agent side are extended, the upper end of each termination contact arm is respectively equipped with guide portion and the contact site being connected with guide portion, the opening for being available for chip module stitch to insert is formed between the guide portion and between contact site, contact site on a wherein terminal contact arm is inclined towards the contact site on another terminal contact arm with the junction of guide portion from it and extended, the main body extends in vertical direction, which is provided with some protuberances, it is fixed in the electric connector that it is applied with by cpu connector terminal, the pair of termination contact arm autonomous agent side extends in the same direction.A pair of terminal contact arm autonomous agent side is extended in the same direction so as to the manufacture of cpu connector terminal is more prone to.
Description
Technical field
The present invention relates to a kind of cpu connector terminal, espespecially a kind of CPU connections for being electrically connected with chip module to circuit board
Device terminal.
Background technology
ZIF (Zero Insertion Force) electric connector is widely used in computer system, by chip dies
Group is electrically connected to circuit board.Prior art discloses various ZIF electrical connectors, such as U.S. Patent Bulletin 6623298,
6508658th, 6471536 and Chinese patent bulletin CN2520033, CN2520588, CN2520013 etc..ZIF electrical connector one
As include lid and be contained between matrix and lid to drive lid a from open position that matrix, movable group be connected on matrix
The drive device slided to a closing position is put, some terminal accommodatings for containing cpu connector terminal are wherein provided with matrix
Groove, the position of correspondence matrix upper terminal accepting groove offers some through holes on lid.ZIF electrical connector is being electrically connected with chip dies
During group to circuit board, chip module is placed in lid top, and the stitch of chip module passes through the through hole on lid and extend into terminal
Among accepting groove；When lid is in the open position, the stitch of chip module is not in electrical contact with cpu connector terminal, works as lid
Under the drive of drive device when open position is moved to closing position, the stitch of chip module is also moved body to a direction
It is dynamic, and finally reach with cpu connector terminal good in electrical contact, so as to set up electrification between electric connector and chip module
Property connection.Prior art equally discloses various cpu connector terminals for being applied to ZIF electrical connector, such as Chinese patent bulletin
CN2537140, CN2537141, CN2519451, CN2523053, CN2458763 etc., such cpu connector terminal are typically provided with
Guide portion and final contact site, wherein guide portion can make the stitch of chip module that terminal accommodating is inserted into the way of zero insertion force
Among groove, final contact site is then in electrical contact with stitch after the stitch movement of chip module.
Fig. 1 to Fig. 4 discloses a kind of cpu connector terminal 1 for ZIF electrical connector related to the present invention, its bag
Matrix 10, a pair of terminal arm 12 being symmetrically extended from the side of matrix 10 are included, and it is same with terminal arm 12 from the lower end of matrix 10
To the weld part 14 for extending.Terminal arm 12 includes the cantilever 120 being connected with matrix 10, and the upper end of cantilever 120 is formed with contact site
122, a guide portion 124 extends from the end of contact site 122 towards matrix 12, and two guide portions 124 are gradually distance from so that chip
The stitch 8 of module can be inserted in the way of ZIF, and the upper end of terminal arm 12 is formed with and is available for chip module (not shown) stitch 8 to insert
The opening for entering, wherein two contact sites 122 are linearly set and parallel to each other.
Chip module to circuit board is electrically connected with when the ZIF electrical connector using above-mentioned cpu connector terminal 1 is (not shown)
When (not shown), the stitch 8 of chip module in initial position, between two guide portions 124, when electric connector lid by
When open position is moved to closing position, the stitch 8 of chip module will be driven and along the direction away from matrix 10 (in such as Fig. 3
Direction shown in arrow Fa) motion, finally, the stitch 8 of chip module will be pushed between two contact sites 122, two contact sites 122
It is squeezed and produces transverse direction to deform (direction as shown in arrow N in Fig. 3) to provide the strength being in close contact with stitch 8.
However, at least there is following defect in above-mentioned cpu connector terminal 1：As shown in Figures 3 and 4, in the pin of chip module
During pin 8 is moved, guide portion 124 and contact site 122 will produce an a reaction force Fn and frictional force μ Fn, phase to stitch 8
Single stitch 8 is answered to move to power Fa=2Fn × (sin θ+μ cos θ) that final contact position needs, wherein θ is contacted for stitch 8
Angle between point tangential direction and the moving direction of stitch 8, μ is then the coefficient of friction between stitch 8 and cpu connector terminal 1,
Because the final contact position of cpu connector terminal 1 and stitch 8 is the linear formula of contact site 122 so that the stitch of chip module
During 8 are moved from initial position to final contact position, particularly stitch 8 starts to be contacted to stitch 8 with contact site 122 to reach
During final position, contact site 122 gradually produces transversely deforming and rotates action, but spinning movement is limited, knot
Fruit is that θ is kept essentially constant, and correspondingly push-on force Fa keeps constant.Electric connector generally has many cpu connector terminals, false
Fixed sum is N, then it is NFa that drive mechanism at least needs the push-on force for providing, and push-on force NFa is moved in chip module stitch 8
Need to keep constant during dynamic.With the increasing development trends of total number of terminals N in electric connector, ZIF electrical connector is needed
The push-on force NFa to be provided also increasing but excessive push-on force will influence the design of drive device and cause plastic body
Deformation, and larger constant push-on force increased plastic matrix deformation risk.
In view of above-mentioned condition, it is necessory to provide a kind of improved cpu connector terminal, to overcome above-mentioned cpu connector
The defect that terminal is present.
The content of the invention
The technical problems to be solved by the invention are：A kind of cpu connector terminal is provided, it can reduce chip module pin
Pin reaches final required push-on force in electrical contact with it.
In order to solve the above technical problems, the technical scheme is that：
A kind of cpu connector terminal, can be electrically connected with chip module to circuit board, and it includes main body and autonomous agent side
A pair of terminal contact arm for extending, the upper end of each termination contact arm is respectively equipped with guide portion and connecing of being connected with guide portion
Contact portion, is formed with the opening for being available for chip module stitch to insert, wherein a terminal connects between the guide portion and between contact site
Contact site on contact arm is inclined towards the contact site on another terminal contact arm with the junction of guide portion from it and extended, the master
Body extends in vertical direction, which is provided with some protuberances, and cpu connector terminal is fixed on into its electric connector applied
In, the pair of termination contact arm autonomous agent side extends in the same direction.
Compared with prior art, the present invention has the beneficial effect that：The contact site of cpu connector terminal is from itself and guide portion
Junction towards on another terminal contact arm contact site incline extend, therefore, the stitch of chip module be pushed into its with
During the final contact position of contact site contact, contact site is squeezed in addition to producing transversely deforming, also has substantially
Spinning movement, taper into the angle between stitch moving direction and stitch contact point tangential direction, correspondingly reduce
Push-on force.The setting of protuberance is convenient to be fixed in the electric connector that it is applied cpu connector terminal.A pair of terminal is contacted
Arm autonomous agent side is extended in the same direction so as to the manufacture of cpu connector terminal is more prone to.
Further improvement of the invention is as follows：
Further, the termination contact arm includes the great cantilever being connected with cpu connector terminal bodies, and connection is greatly
The small cantilever of cantilever and guide portion.
Further, the one end of the small cantilever from great cantilever away from main body upwardly extends.
Further, the guide portion and contact site of the two-terminal contact arm from childhood cantilever rise towards main body extend and gradually
Mutually draw close.
Further, the pair of termination contact arm is symmetrical arranged.
Further, wherein the contact site on a terminal contact arm connects with the junction of guide portion from it towards another terminal
Contact site on contact arm is inclined and extended, and junction of the contact site on another terminal contact arm from it with guide portion is perpendicular to main body
Extend.
Further, the contact site is not connected directly with small cantilever in itself, and it passes through guide portion and is connected with small cantilever.
Brief description of the drawings
Fig. 1 is the stereogram of cpu connector terminal related to the present invention.
Fig. 2 is the top view of cpu connector terminal related to the present invention.
Fig. 3 is schematic diagram when cpu connector terminal shown in Fig. 2 is contacted with chip module stitch, wherein chip module
Stitch is not yet pushed to final contact position.
Fig. 4 is schematic diagram when cpu connector terminal shown in Fig. 2 is contacted with chip module stitch, wherein chip module
Stitch has been pushed to final contact position.
Fig. 5 is the stereogram of cpu connector terminal of the present invention.
Fig. 6 is the top view of cpu connector terminal of the present invention.
Fig. 7 is schematic diagram when cpu connector terminal shown in Fig. 6 is contacted with chip module stitch, wherein chip module
Stitch is not yet pushed to final contact position.
Fig. 8 is schematic diagram when cpu connector terminal shown in Fig. 6 is contacted with chip module stitch, wherein chip module
Stitch has been pushed to final contact position.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 5 to Fig. 8 is refer to, cpu connector terminal 2 of the invention can be electrically connected with chip module (not shown) to electricity
Road plate (not shown), it includes a pair of terminal contact arm 22 that main body 20, the side of autonomous agent 20 are extended, and autonomous agent 20
The weld part 24 that lower end extends in the same direction with termination contact arm 22.
Main body 20 extends in vertical direction, which is provided with some protuberances 200, and cpu connector terminal 20 is fixed on
In the electric connector (not shown) that it is applied.
The side of 22 autonomous agent of a pair of terminal contact arm 20 extends in the same direction, and the upper end of each contact arm is respectively equipped with guide portion
220 and the contact site 222 that is connected with guide portion 220, it is formed between the guide portion 220 and between contact site 222 and is available for core
The opening of the insertion of piece module stitch 9.Each termination contact arm 22 includes the great cantilever 224 being connected with main body 20, and connection is greatly
The small cantilever 226 of cantilever 224 and guide portion 220.As shown in Figures 5 and 6, small cantilever 226 from great cantilever 224 away from main body 20
Upwardly extended at the top of one end, wherein contact site 222 on a terminal contact arm 22 is from its junction direction with guide portion 220
Contact site on another terminal contact arm 22 is inclined and extended.
Herein, it is noted that Fig. 5 and Fig. 6 only show a kind of structure of contact site 222 and guide portion 220：Two-terminal connects
226, cantilever extends and gradually mutually draws close the guide portion 220 and contact site 222 of contact arm 22 towards main body 20 from childhood, and now one
Can be completely the same to the structure of terminal contact arm 22, it is symmetrical set；And the guide portion 220 of cpu connector terminal 2 of the present invention and connect
Contact portion 222 can also have another to design, i.e.,：Contact site 222 on a wherein terminal contact arm 22 is from itself and guide portion 220
Junction inclined towards the contact site 222 on another terminal contact arm 22 and extend, and the contact on another terminal contact arm 22
Portion 222 extends with the junction of guide portion 220 from it perpendicular to main body 20, now, due to the part knot of two-terminal contact arm 22
Structure is variant so that asymmetrical relative to one another.Above two is designed, and contact site 222 itself is not connected directly with small cantilever 226, and it leads to
Cross guide portion 220 to be connected with small cantilever 226, i.e., contact site 222 is set in cantilever；But contact site 222 can also be directly outstanding with small
Arm 226 is connected, will design philosophy of the invention：Contact site 222 on a wherein terminal contact arm 22 is from itself and guide portion 220
Junction inclined towards the contact site on another terminal contact arm 22 and extend, be applied directly to foregoing related to the present invention
On cpu connector terminal 1, then contact site 222 is non-cantilever setting.
Below, will describe how cpu connector terminal 2 of the present invention reduces in use in detail with reference to accompanying drawing 7-8
The push-on force of chip module stitch 9.
As shown in Figures 7 and 8, the stitch 9 of chip module is inserted into cpu connector terminal in the way of zero insertion force first
Between 2 two guide portions 220, then, stitch 9 will be final towards its under the drive of the drive device of electric connector (not shown)
Move position.When stitch 9 starts to be contacted with two contact sites 222, two contact sites 222 are squeezed and produce transversely deforming (such as Fig. 7
Shown in middle arrow M), and the moving direction of stitch 9 has as shown in arrow Fa in Fig. 7 between stitch 9 and cpu connector terminal 2
, there is an angle theta between the tangential direction and the moving direction Fa of stitch 9 of such contact point in one contact point.It is pushed to most in stitch 9
During final position is put, each termination contact arm 22 can produce a reaction force Fn and to rub due to deformation in contact point pair stitch
It is coefficient of friction to wipe power μ Fn, μ, can calculate single stitch 9 and move to the push-on force Fa=2Fn that final contact position needs
× (sin θ+μ cos θ), it is assumed that the sum of terminal 2 be N, then electric connector drive device need provide total push-on force be
NFa。
Due to the above-mentioned design of cpu connector terminal 2 of the present invention, wherein the contact site 222 on a terminal contact arm 22 is certainly
It inclines towards the contact site 222 on another terminal contact arm 22 with the junction of guide portion 220 and extends, therefore, in chip dies
During group stitch 9 is pushed to final position, while at least a contact site 222 produces transversely deforming, also occur obvious
Spinning movement so that the angle theta between the tangential direction and the moving direction Fa of stitch 9 of contact point will be tapered into, such as Fig. 8 institutes
The final position for showing, two contact site 222 is substantially parallel after deforming, and the value of angle theta is equal to 0.Obviously, according to formula F a=2Fn
× (sin θ+μ cos θ), because θ is tapered into, Fa is gradually reduced, and Nfa is gradually reduced, and particularly a pair of terminal contact arm 22 is in
When being symmetrical arranged, therefore, in the push-on process of stitch 9, it is not necessary to maintain push-on force higher.So, when in electric connector
When the sum of cpu connector terminal 2 increases, cpu connector terminal 2 of the invention need in the push-on process of stitch 9 due to that can be reduced
Push-on force, therefore the risk of plastic matrix infringement can be reduced, the design requirement to drive device correspondingly also reduces.
The present invention is not limited to above-mentioned specific embodiment, one of ordinary skill in the art from above-mentioned design,
Without performing creative labour, done a variety of conversion are within the scope of the present invention.
Claims (7)
1. a kind of cpu connector terminal, can be electrically connected with chip module to circuit board, and it includes that main body and autonomous agent side are prolonged
A pair of terminal contact arm stretched, the upper end of each termination contact arm is respectively equipped with guide portion and the contact being connected with guide portion
Portion, is formed with the opening for being available for chip module stitch to insert between the guide portion and between contact site, it is characterised in that：Wherein
Contact site on one terminal contact arm is inclined towards the contact site on another terminal contact arm with the junction of guide portion from it and prolonged
Stretch, the main body extends in vertical direction, which is provided with some protuberances, and cpu connector terminal is fixed on into it is applied
Electric connector in, the pair of termination contact arm autonomous agent side extends in the same direction.
2. cpu connector terminal as claimed in claim 1, it is characterised in that：The termination contact arm includes and cpu connector
The connected great cantilever of terminal bodies, and the small cantilever for connecting great cantilever and guide portion.
3. cpu connector terminal as claimed in claim 2, it is characterised in that：The small cantilever is from great cantilever away from main body
One end upwardly extends.
4. cpu connector terminal as claimed in claim 3, it is characterised in that：The guide portion of the two-terminal contact arm and connect
Cantilever rises towards main body extension and gradually mutually draws close contact portion from childhood.
5. cpu connector terminal as claimed in claim 4, it is characterised in that：The pair of termination contact arm is symmetrical arranged.
6. cpu connector terminal as claimed in claim 1, it is characterised in that：Contact site on a wherein terminal contact arm is certainly
It inclines towards the contact site on another terminal contact arm with the junction of guide portion and extends, the contact on another terminal contact arm
Portion extends with the junction of guide portion from it perpendicular to main body.
7. the cpu connector terminal as described in claim 4 or 6, it is characterised in that：The contact site is not directly outstanding with small in itself
Arm is connected, and it passes through guide portion and is connected with small cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203021.9A CN106785544A (en) | 2016-12-23 | 2016-12-23 | CPU connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203021.9A CN106785544A (en) | 2016-12-23 | 2016-12-23 | CPU connector terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785544A true CN106785544A (en) | 2017-05-31 |
Family
ID=58900024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611203021.9A Withdrawn CN106785544A (en) | 2016-12-23 | 2016-12-23 | CPU connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785544A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066151A (en) * | 2018-07-10 | 2018-12-21 | 番禺得意精密电子工业有限公司 | Electric connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003217723A (en) * | 2002-01-18 | 2003-07-31 | Hon Hai Precision Industry Co Ltd | Receptacle connector terminal |
| CN2710195Y (en) * | 2004-05-10 | 2005-07-13 | 美国莫列斯股份有限公司 | Socket connector terminal |
| CN2728004Y (en) * | 2004-07-02 | 2005-09-21 | 富士康(昆山)电脑接插件有限公司 | Electric connector terminal |
| CN1877916A (en) * | 2005-06-10 | 2006-12-13 | 富士康(昆山)电脑接插件有限公司 | Low insertion force type socket connector |
| CN101237107A (en) * | 2007-01-31 | 2008-08-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202997099U (en) * | 2012-11-09 | 2013-06-12 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
-
2016
- 2016-12-23 CN CN201611203021.9A patent/CN106785544A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003217723A (en) * | 2002-01-18 | 2003-07-31 | Hon Hai Precision Industry Co Ltd | Receptacle connector terminal |
| CN2710195Y (en) * | 2004-05-10 | 2005-07-13 | 美国莫列斯股份有限公司 | Socket connector terminal |
| CN2728004Y (en) * | 2004-07-02 | 2005-09-21 | 富士康(昆山)电脑接插件有限公司 | Electric connector terminal |
| CN1877916A (en) * | 2005-06-10 | 2006-12-13 | 富士康(昆山)电脑接插件有限公司 | Low insertion force type socket connector |
| CN101237107A (en) * | 2007-01-31 | 2008-08-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202997099U (en) * | 2012-11-09 | 2013-06-12 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066151A (en) * | 2018-07-10 | 2018-12-21 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109066151B (en) * | 2018-07-10 | 2020-06-09 | 番禺得意精密电子工业有限公司 | Electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |