CN102856694B - Electric connector terminal - Google Patents
Electric connector terminal Download PDFInfo
- Publication number
- CN102856694B CN102856694B CN201110183511.8A CN201110183511A CN102856694B CN 102856694 B CN102856694 B CN 102856694B CN 201110183511 A CN201110183511 A CN 201110183511A CN 102856694 B CN102856694 B CN 102856694B
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- China
- Prior art keywords
- electric connector
- connector terminal
- nickel coating
- holding parts
- contact site
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Abstract
An electric connector terminal is fixed on an electric connector and comprises a connecting portion, a fixing portion and an elastic portion, wherein one end of the fixing portion is connected with the connecting portion; the elastic portion extends from the other end of the fixing portion; the electric connector terminal is fixed to an electric connector via the fixing portion; the elastic portion is provided with a contact portion which is used for abutting; and a nickel coating, a nickel aminosulfonate coating and a phosphorus and nickel coating are sequentially electroplated on the surface of the electric connector terminal from inside to outside. The nickel aminosulfonate coating coating and the phosphorus and nickel coating can guarantee that the electric connector terminal has certain toughness and corrosion resistance.
Description
[technical field]
The present invention relates to a kind of electric connector terminal, particularly relate to a kind of audio connector terminal.
[background technology]
As a rule, electroplating processes all will be carried out in electric connector terminal surface, and this is mainly in order to improve electric connector terminal corrosion resistance and contact stabilization.And coating generally comprises nexine for filling and leading up the nickel coating of base material and being covered in the noncorroding metal layer on surface, this metal level can be layer gold or rhotanium layer.But meanwhile, scrape along strain can be scraped during electric connector terminal docking, also require that it has certain resistance to wear and toughness.
So, be necessary to design a kind of electric connector terminal to overcome aforementioned deficiency.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of electric connector terminal, and it has certain toughness and corrosion resistance.
For solving the problems of the technologies described above, a kind of technical scheme of the present invention is: a kind of electric connector terminal, be fixed on electric connector, the holding parts that this electric connector terminal comprises connecting portion, one end connects connecting portion and the elastic portion extended from the holding parts other end, holding parts is used for electric connector terminal to be fixed on electric connector, elastic portion has the contact site for docking, and described electric connector terminal surface is electroplate with nickel coating, sulfamic acid nickel coating and phosphorus nickel coating from the inside to the outside successively.
Compared with prior art, electric connector terminal of the present invention has following effect: sulfamic acid nickel coating and phosphorus nickel coating can ensure that electric connector terminal has certain toughness and corrosion resistance.
[accompanying drawing explanation]
Fig. 1 is the stereogram of electric connector terminal of the present invention.
Fig. 2 is the schematic diagram of part electric connector terminal section, only illustrates the coating of a side.
The flow chart of Fig. 3 electric connector terminal plating of the present invention.
[embodiment]
Fig. 1, Fig. 2 and Fig. 3 disclose electric connector terminal 100 of the present invention and manufacture method thereof.In the present embodiment, electric connector terminal 100 is a kind of audio connector terminals, and it is made up of sheet metal.
Please refer to Fig. 1, the holding parts 20 that electric connector terminal 100 comprises connecting portion 10, one end connects connecting portion and the elastic portion 30 extended from the holding parts other end, holding parts 20 is for being fixed on electric connector (not shown) by electric connector terminal, elastic portion 30 has the contact site 331 for docking.
Described holding parts 20 is in tabular, and its both sides are provided with the hangnail with the body of electric connector (not shown) fixing.Holding parts 20 comprises body 21 and connects the kink 22 of connecting portion, and the width of kink 22 is less and L-shaped.
Described connecting portion 10 is for being fixed to printed circuit board (PCB) (not shown) by electric connector terminal 100, and fixed form can be that elasticity abuts or welding.Adopt welding manner in the present embodiment, namely connecting portion is weld part.Connecting portion 10 comprises the base portion 11 extended from kink and the welding block 12 being positioned at base portion center.Described welding block 12 is from base portion punch forming, and welding block also has the solder side 121 protruding from base portion one surface, and welding block 12 is for being soldered to printed circuit board (PCB) by electric connector terminal.
Described elastic portion 30 comprise extend from holding parts semicircle arcus part 31, to extend to connecting portion 10 direction and the elastic arm 32 parallel with holding parts 20 and own elasticity arm 32 tilt to extend and away from the contact arm 33 of holding parts 20 from arcus part 31, contact arm 33 rat forms above-mentioned contact site 331, contact site 331 is in hemispheric overshooting shape, and it coordinates with banjo (not shown) and is electrically connected to be formed.
Carry out electroplating processes to electric connector terminal below, referring specifically to Fig. 3, this technical process mainly comprises following step: step 41, and material strip is ready to by blowing, material strip is connected with some electric connector terminals; Step 42, de-ester, removes the dirt above material strip; Step 43, pickling, cleans to remove surface oxide layer to material strip; Step 44, nickel plating, immersed in plating solution (electro-plating method is also identical below) by whole electric connector terminal, namely at the plated surface last layer nickel coating 51 of whole electric connector terminal, its thickness is 0.2 ~ 2um, to reduce terminal surfaces roughness; Step 45, plating nickel sulfamic acid, at the plated surface last layer sulfamic acid nickel coating 52 of whole electric connector terminal, namely sulfamic acid nickel coating 52 is covered in nickel coating 51, and its thickness is 0.2 ~ 2um, to improve the toughness of electrodeposited coating; Step 46, plating phosphorus nickel, at the plated surface last layer phosphorus nickel coating 53 of whole electric connector terminal, namely phosphorus nickel coating 53 is covered in sulfamic acid nickel coating 52, and its thickness is 0.2 ~ 2um, and this phosphorus nickel coating phosphorus content is 5% ~ 9%, is conducive to the corrosion resistance improving terminal; Step 47, rewinding.
Referring to Fig. 2, through electroplated on top process, whole electric connector terminal 100 from-inner-to-outer is placed with nickel coating 51, sulfamic acid nickel coating 52 and phosphorus nickel coating 53 successively.Also by improving processing procedure, only aforementioned three layers of coating can be coated with, especially at elastic arm 32 and contact arm 33 at electric connector terminal outer surface.In order to make electric connector terminal better be contacted effect when docking, also can electroplate the good metal of one deck conductivity at above-mentioned hemispheric contact site 331, such as gold or palladium-nickel alloy.Certainly, also have good conductivity owing to being positioned at outermost layer phosphorus nickel itself, skin also can no longer plating.
Claims (7)
1. an electric connector terminal, be fixed on electric connector, the holding parts that this electric connector terminal comprises connecting portion, one end connects connecting portion and the elastic portion extended from the holding parts other end, holding parts is used for electric connector terminal to be fixed on electric connector, elastic portion has the contact site for docking, it is characterized in that: described electric connector terminal surface is electroplate with nickel coating, sulfamic acid nickel coating and phosphorus nickel coating from the inside to the outside successively, described contact site is hemispheric overshooting shape and is electroplate with one deck palladium-nickel alloy.
2. electric connector terminal as claimed in claim 1, is characterized in that: described nickel coating, sulfamic acid nickel coating and phosphorus nickel coating thickness are respectively 0.2 ~ 2um, 0.2 ~ 2um and 0.2 ~ 1um.
3. electric connector terminal as claimed in claim 2, is characterized in that: be also coated with gold or palladium nickel outside the phosphorus nickel coating of described contact site.
4. electric connector terminal as claimed in claim 2 or claim 3, it is characterized in that: described elastic portion comprise extend from holding parts semicircle arcus part, to extend to connecting portion direction and the elastic arm parallel with holding parts and own elasticity arm tilt to extend and away from the contact arm of holding parts, contact arm rat forms above-mentioned contact site from arcus part.
5. electric connector terminal as claimed in claim 3, is characterized in that: described connecting portion comprises base portion and is certainly positioned at the welding block at base portion center, and welding block has the solder side protruding from base portion.
6. electric connector terminal as claimed in claim 4, is characterized in that: described welding block is from base portion punch forming.
7. an electric connector terminal, it is made up of sheet metal, it is characterized in that: electric connector terminal surface is electroplate with nickel coating, sulfamic acid nickel coating and phosphorus nickel coating from the inside to the outside successively, electric connector terminal has hemispheric contact site and contact site is electroplate with one deck palladium-nickel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183511.8A CN102856694B (en) | 2011-07-01 | 2011-07-01 | Electric connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183511.8A CN102856694B (en) | 2011-07-01 | 2011-07-01 | Electric connector terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102856694A CN102856694A (en) | 2013-01-02 |
| CN102856694B true CN102856694B (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110183511.8A Active CN102856694B (en) | 2011-07-01 | 2011-07-01 | Electric connector terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN102856694B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150093923A1 (en) * | 2013-09-27 | 2015-04-02 | Lotes Co., Ltd | Terminal |
| CN110350339B (en) * | 2018-08-29 | 2022-04-22 | 富士康(昆山)电脑接插件有限公司 | Conductive terminal, manufacturing method thereof and electric connector |
| CN109167197B (en) * | 2018-09-17 | 2021-12-24 | 四川华丰科技股份有限公司 | High-voltage electric connector |
| CN114182316A (en) * | 2021-11-24 | 2022-03-15 | 深圳市鼎端兴业科技有限公司 | USB shell machining method |
| CN114614279B (en) * | 2022-03-25 | 2023-07-28 | 上海华湘计算机通讯工程有限公司 | Elastic connecting piece and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808795A (en) * | 2006-01-04 | 2006-07-26 | 番禺得意精密电子工业有限公司 | Terminal and its electro-plating method |
| CN101319316A (en) * | 2008-06-25 | 2008-12-10 | 广东工业大学 | Method for chemical nickel plating on aluminum and aluminum alloy surface |
| CN101323961A (en) * | 2007-06-14 | 2008-12-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Heat resistant corrosion resistant low stress nickel plating process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190064A (en) * | 2002-12-09 | 2004-07-08 | Matsushita Electric Works Ltd | Method for surface-treating metallic terminal, and metallic terminal |
| JP2006252862A (en) * | 2005-03-09 | 2006-09-21 | Sony Corp | Memory card, mobile information terminal unit and charger |
-
2011
- 2011-07-01 CN CN201110183511.8A patent/CN102856694B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808795A (en) * | 2006-01-04 | 2006-07-26 | 番禺得意精密电子工业有限公司 | Terminal and its electro-plating method |
| CN101323961A (en) * | 2007-06-14 | 2008-12-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Heat resistant corrosion resistant low stress nickel plating process |
| CN101319316A (en) * | 2008-06-25 | 2008-12-10 | 广东工业大学 | Method for chemical nickel plating on aluminum and aluminum alloy surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102856694A (en) | 2013-01-02 |
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