CN102522667B - Electric connector, manufacturing method thereof and coating manufacturing method - Google Patents
Electric connector, manufacturing method thereof and coating manufacturing method Download PDFInfo
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- CN102522667B CN102522667B CN201110374224.5A CN201110374224A CN102522667B CN 102522667 B CN102522667 B CN 102522667B CN 201110374224 A CN201110374224 A CN 201110374224A CN 102522667 B CN102522667 B CN 102522667B
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Abstract
The invention provides a manufacturing method of an electric connector, which comprises the following steps: forming an insulation body and enabling the insulation body to have a plurality of accommodating holes, wherein each accommodating hole is provided with a retaining groove and an accommodating groove and a wall plate is arranged between the retaining groove and the accommodating groove; plating a metal layer on each accommodating groove and enabling the metal layer to be cover the inner wall of each accommodating groove; removing the wall plate to enable the retaining groove to be communicated with the accommodating groove, fixing a plurality of terminals in the plurality of accommodating holes respectively and correspondingly and enabling the retaining portion of each terminal to be fixed in the retaining groove, wherein the terminals are not in conducting connection with the metal layers. In the manufacturing method of the electric connector, due to the wall plate is arranged between the retaining groove and the accommodating groove of each accommodating hole, expected metal layers are only formed on the inner walls of the accommodating grooves of the accommodating holes, and plating areas of the metal layers can be controlled accurately. Therefore, short circuit due to connection of the terminals and the metal layers can be prevented, mutual electromagnetic interference between the terminals is avoided, and a good electric connection function between the terminals and circuit boards is further guaranteed.
Description
Technical field
The present invention relates to a kind of electric connector and manufacture method thereof and coating manufacture method.
Background technology
Electric connector is generally in order to be mounted on a circuit board and the circuit on described circuit board is connected on the chip connected with it, and it comprises an insulating body and a plurality of terminal.In the situation that the distance between described terminal is more and more less, how to guarantee that communication is not subject to electromagnetic interference, the problem that must solve while becoming the development high density electrical connector.The method that prevents the common use of electromagnetic interference is that the metallic shield shell is set on described insulating body, or on described insulating body metal cladding.
In high density electrical connector, by the described metal level of plating on described insulating body, solve the electromagnetic interference problem in signals transmission, usually directly aim at spray pattern the position that needs to cover described metal level on described insulating body, spray metallics to form described metal level, so, because described number of terminals is many, density is large, be difficult to accurately control cladding region, be easy to form unexpected described metal level on described insulating body, make described metal level conducting on described terminal and described insulating body and short circuit, affect the performance that electrically conducts of described terminal and described circuit board.
In order to solve the problem that forms unexpected described metal level, what have pastes adhesive plaster without the position that covers described metal level on described insulating body, after on described insulating body, corresponding site forms described metal level, the described adhesive plaster of tearing, complex procedures like this, and the position that described adhesive plaster is pasted also is difficult to accurate assurance, be easier to form unexpected described metal level on described insulating body, easily cause described terminal and described metal level conducting and short circuit, affect the function that electrically conducts of described terminal and described circuit board.
Therefore, be necessary to design a kind of manufacture method of new electric connector, to overcome above-mentioned defect.
Summary of the invention
The problem faced for background technology, the object of the present invention is to provide a kind of metal level zone of easily accurately controlling, and avoids terminal and metal level conducting and the manufacture method of the electric connector of short circuit.
Another object of the present invention is to provide in a kind of accepting hole and establish punctured hole, to guarantee that terminal does not connect and the electric connector of short circuit with metal level.
Another purpose of the present invention is to provide a kind of manufacture method that can accurately control the coating of cladding region.
To achieve these goals, the present invention adopts following technical scheme:
A kind of manufacture method of electric connector comprises the following steps: moulding one insulating body, make a plurality of accepting holes of its tool, and each described accepting hole has a holding slot and a holding tank, between described holding slot and described holding tank, is provided with a wallboard; A metal level is established in plating, to described holding tank plating, establishes described metal level, makes described metal level cover the inwall of described holding tank; Remove described wallboard, described holding tank be connected with described holding slot, by a plurality of terminals respectively correspondence be fixedly arranged on a plurality of described accepting holes and do not connect with described metal level, the holding parts that each described terminal is had is fixed in described holding slot.
A plurality of tin balls further are provided, make a plurality of described tin ball correspondences be located in a plurality of described holding tanks and butt from the described holding parts of described terminal to downward-extension and be suspended in the weld part in described holding tank.
Further, the corresponding described weld part of two relatively described inwalls of described holding tank is provided with respectively a step, when described terminal is fixedly arranged on to described accepting hole, makes described weld part be resisted against described step.
Further, to the described holding parts of described terminal, apply an active force, described weld part is separated with described step.
Further, described metal level can the spraying plating mode form, and described metal level also can the physical coating mode form.
Further, described wallboard can utilize radium-shine mode to remove, and described wallboard also can utilize the water cutter to remove, and described wallboard also can utilize described holding parts to remove.
A kind of electric connector comprises: an insulating body, which is provided with a plurality of accepting holes, and each described accepting hole has a holding slot and a holding tank, between described holding slot and described holding tank, is provided with a punctured hole; One metal level, plating is located on the inwall of described holding tank; A plurality of terminals, correspondence is fixedly arranged on a plurality of described accepting holes respectively, and each described terminal has a holding parts and is fixed in described holding slot, from described holding parts, is extended with a base portion and a weld part downwards, and described base portion partly is positioned at described punctured hole.
Further, described electric connector comprises a plurality of tin balls, and a plurality of described tin balls correspondence respectively are located in a plurality of described holding tanks and the described weld part of butt.
Further, in described insulating body bottom surface, plating is provided with described metal level.
Further, described weld part has two relative clamping limbs, and described two clamping limbs surround a receiving space to accommodate described tin ball in the inner.
Further, corresponding described two clamping limbs of two relatively described inwalls of described holding tank are respectively equipped with a step, and the width between described two steps is greater than the distance between described two clamping limbs.
A kind of manufacture method of coating comprises the following steps: a thing to be plated is provided, makes it be arranged with at least one space, in described space, be provided with a wallboard by described space every being set as first area and second area; Lay coating, to described first area, lay described coating, described coating covers described first area inner surface; Remove described wallboard, described first area and described second area are connected.
Further, described wallboard can be distinguished independent moulding with described thing to be plated, and described wallboard also can be one-body molded with described thing to be plated.
Further, described coating forms to be coated with or to spray or be stained with the mode of soaking.
Further, make described thing to be plated be arranged with a plurality of described spaces.
Compared with prior art, in the manufacture method of disclosed electric connector, owing between the described holding slot at described accepting hole and described holding tank, being provided with described wallboard, only make the described metal level that forms expection on the described inwall of the described holding tank of described accepting hole, can accurately control the zone that described metal level plating is established, thereby can prevent described terminal and described metal level conducting and short circuit, avoid causing electromagnetic interference mutual between described terminal, and then guarantee the function that electrically conducts good between described terminal and described circuit board.
Again in the manufacture method of disclosed coating, due in described space, be provided with described wallboard by it every being set as described two zones, while to described thing to be plated, laying described coating, only lay described coating in a described zone therein, can accurately control the locus that described coating is laid in described thing to be plated.
For ease of to purpose of the present invention, shape, structure, feature and effect thereof, all further understanding and understanding being arranged, now with accompanying drawing, elaborate in conjunction with the embodiments.
[accompanying drawing explanation]
The schematic flow sheet of the manufacture method that Fig. 1 is electric connector;
Fig. 2 is for plating the schematic diagram of establishing metal level;
Fig. 3 is the schematic diagram after the removal wallboard;
The solid assembling schematic diagram that Fig. 4 is electric connector;
The schematic diagram that Fig. 5 is the assembling terminal seen from Fig. 4 A-A direction;
Fig. 6 enters the schematic diagram of tin ball for the riveting seen from Fig. 4 A-A direction;
Fig. 7 applies the schematic diagram of active force for what see from Fig. 4 A-A direction to terminal fixing section;
The schematic flow sheet of the manufacture method that Fig. 8 is coating.
The drawing reference numeral of embodiment:
| |
1 | ? | Accepting |
11 | ? | |
111 |
| |
112 | ? | Inwall | 1121 | ? | Wallboard | 113 |
| |
1122 | ? | |
1123 | ? | |
2 |
| Terminal | 3 | ? | Holding |
31 | ? | Weld |
32 |
| Clamping |
321 | ? | |
33 | ? | |
331 |
| |
34 | ? | Contact |
35 | ? | The |
4 |
| Spacing | D | ? | ? | ? | ? | ? | ? |
[embodiment]
Below in conjunction with the drawings and specific embodiments, electric connector of the present invention and manufacture method thereof and coating manufacture method are described further.
The present invention has disclosed a kind of manufacture method of electric connector, the manufacture method of this electric connector comprises the steps: to refer to Fig. 1 and Fig. 2, moulding one insulating body 1, make a plurality of accepting holes 11 of its tool, each described accepting hole 11 has a holding slot 111 and a holding tank 112, is provided with a wallboard 113 between described holding slot 111 and described holding tank 112.
Refer to Fig. 1 and Fig. 2, a metal level 2 is established in plating, to described holding tank 112 platings, establishes described metal level 2, makes described metal level 2 cover the inwall 1121 of described holding tank 112.Described metal level 2 forms in the spraying plating mode, and certainly, in other embodiments, described metal level 2 also can physical coating (for example, vacuum evaporation or vacuum splashing and plating) mode form.
Refer to Fig. 2 and Fig. 3, remove described wallboard 113, described holding tank 112 is connected with described holding slot 111.Described wallboard 113 can utilize radium-shine mode to remove, and described wallboard 113 also can utilize the water cutter to remove.
Refer to Fig. 4 and Fig. 5, by a plurality of terminals 3 respectively correspondence be fixedly arranged on a plurality of described accepting holes 11, and described terminal 3 does not connect with described metal level 2, the holding parts 31 that each described terminal 3 is had is fixed in described holding slot 111, certainly, described wallboard 113 also can utilize described holding parts 31 to remove.Make again each described terminal 3 be suspended in described holding tank 112 to downward-extension one weld part 32 from described holding parts 31, the corresponding described weld part 32 of two relatively described inwalls 1121 of described holding tank 112 is respectively equipped with a step 1122.
When described terminal 3 correspondences are assembled into described insulating body 1, under ideal state, the described metal level 2 that does not all establish with plating on the described inwall 1121 of described holding tank 112 at arbitrary position of described terminal 3 contacts, be formed with a gap between described terminal 3 corresponding sites and described metal level 2, for preventing conducting between described terminal 3 and described metal level 2.Yet during due to operation, power is controlled not in place, when described terminal 3 is fixedly arranged on described accepting hole 11, described weld part 32 may be resisted against described step 1122, and the described metal level 2 that on described weld part 32 two described inwalls 1121 relative with described holding tank 112, plating is established contacts.Now, can apply an active force to the described holding parts 31 of described terminal 3, described weld part 32 is separated with described step 1122, avoid the short circuit with described metal level 2 conductings of described terminal 3.
Refer to Fig. 6 and Fig. 7, a plurality of tin balls 4 further are provided, make a plurality of described tin ball 4 correspondences be located in a plurality of described holding tanks 112 and the described weld part 32 of butt.In riveting, enter in the process of described tin ball 4, described tin ball 4 drives on described terminal 3 and moves, make described weld part 32 may be resisted against described step 1122, described holding parts 31 to described terminal 3 applies an active force, described weld part 32 is separated with described step 1122, form a space D between described weld part 32 and described step 1122, avoid the short circuit with described metal level 2 conductings of described terminal 3.
Refer to Fig. 3 and Fig. 6, for a kind of electric connector made according to the manufacture method of described electric connector, described electric connector comprises a described insulating body 1, is located at a plurality of described terminal 3 of described insulating body 1, with a plurality of described tin ball 4 of a plurality of described terminal 3 equivalent amounts.
Described insulating body 1 is provided with a plurality of described accepting holes 11, and each described accepting hole 11 has a described holding slot 111 and a described holding tank 112.Described holding slot 111 is recessed to form by described insulating body 1 upper surface, and the described inwall 1121 that described holding slot 111 has a bottom surface and described holding tank 112 forms stepped.Described holding tank 112 runs through described insulating body 1 bottom, and the aperture of described holding tank 112 is greater than the aperture of described holding slot 111.
Be provided with a punctured hole 1123 between described holding slot 111 and described holding tank 112.Described punctured hole 1123 can utilize radium-shine mode to form, and described punctured hole 1123 also can utilize the water cutter to form, and described punctured hole 1123 also can utilize described holding parts 31 to form.
Described metal level 2 platings are located on the described inwall 1121 of described holding tank 112, in the present embodiment, in described insulating body 1 bottom surface, also plate and are provided with described metal level 2.
A plurality of described terminals 3 correspondence respectively are fixedly arranged on a plurality of described accepting holes 11, and each described terminal 3 has a described holding parts 31 and is fixed in described holding slot 111.Described holding parts 31 has elasticity, and described holding parts 31 both sides are respectively equipped with a salient point, in order to interfere fixing with described holding slot 111.
Refer to Fig. 4 and Fig. 5, described terminal 3 is extended with a base portion 33 and a described weld part 32 downwards from described holding parts 31, and described base portion 33 parts are positioned at described punctured hole 1123.Described base portion 33 is torn and is formed a stop section 331, in order to the described tin ball 4 of block, moves up.Described terminal 3 is extended with an elastic arm 34 from described base portion 33 1 sides, and described elastic arm 34 ends form a contact site 35.
A plurality of described tin balls 4, correspondence is located in a plurality of described holding tanks 112 and the described weld part 32 of butt respectively, and described weld part 32 has two relative clamping limbs 321, and described two clamping limbs 321 surround a receiving space to accommodate described tin ball 4 in the inner.Corresponding described two clamping limbs 321 of two relatively described inwalls 1121 of described holding tank 112 are respectively equipped with a described step 1122, and the width between described two steps 1122 is greater than the distance between described two clamping limbs 321.
The present invention has also disclosed a kind of manufacture method of coating, refers to Fig. 8, and the manufacture method of this coating comprises the following steps:
One thing to be plated is provided, makes it be arranged with a space, in described space, be provided with a wallboard by described space every being set as the first and second zones.Described wallboard and described thing to be plated are one-body molded, and the present invention is not limited to this, and described wallboard and described thing to be plated also can be distinguished independent moulding, also can make described thing to be plated be arranged with a plurality of described spaces.
In the present embodiment, described thing to be plated refers to described insulating body, and described space refers to described accepting hole, and the present invention is not limited to this, and described thing to be plated also can be other elements.
Lay coating, to described first area, lay described coating, described coating covers described first area inner surface.Described coating forms in the spraying plating mode, the present invention is not limited to this, described coating can physical coating (for example, vacuum evaporation or vacuum splashing and plating) mode forms, described coating also can be coated with or spray or be stained with the mode of soaking and form, described coating can be the coat of metal, and described coating also can be nonmetal coating.
Remove described wallboard, described first area and described second area are connected, described wallboard can utilize radium-shine mode to remove, and described wallboard also can utilize the water cutter to remove.
In sum, electric connector of the present invention and manufacture method thereof and coating manufacture method have following beneficial effect:
In the manufacture method of disclosed electric connector owing between the described holding slot 111 of described accepting hole 11 and described holding tank 112, being provided with described wallboard 113, only make the described metal level 2 that forms expection on the described inwall 1121 of the described holding tank 112 of described accepting hole 11, can accurately control the zone that described metal level 2 platings are established, thereby can prevent the short circuit with described metal level 2 conductings of described terminal 3, avoid causing mutual electromagnetic interference between described terminal 3, and then guarantee the function that electrically conducts good between described terminal 3 and described circuit board.
2. wallboard 113 described in the manufacture method of disclosed electric connector also can utilize described holding parts 31 to remove, and so, makes operation simple, easy and simple to handle.
3. the described holding parts 31 of disclosed described terminal 3 has elasticity, can avoid destroying described insulating body 1 with the rigid interference of described holding slot 111, and the described holding parts 31 to described terminal 3 applies an active force, when described weld part 32 is separated with described step 1122, can avoid damaging described terminal 3.
In the manufacture method of disclosed coating owing to being provided with described wallboard in described space, by described space every being set as described two zones, while to described thing to be plated, laying described coating, only lay described coating in a described zone therein, can accurately control the locus that described coating is laid in described thing to be plated.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is not in order to limit patent claim of the present invention, the equal variation completed under all disclosed technical spirits or modify change, all should belong to the scope of the claims that the present invention is contained.
Claims (23)
1. the manufacture method of an electric connector, is characterized in that, comprises the following steps:
Moulding one insulating body, make a plurality of accepting holes of its tool, and each described accepting hole has a holding slot and a holding tank, between described holding slot and described holding tank, is provided with a wallboard;
A metal level is established in plating, to described holding tank plating, establishes described metal level, makes described metal level cover the inwall of described holding tank;
Remove described wallboard, described holding tank be connected with described holding slot,
By a plurality of terminals respectively correspondence be fixedly arranged on a plurality of described accepting holes and do not connect with described metal level, the holding parts that each described terminal is had is fixed in described holding slot.
2. the manufacture method of electric connector as claimed in claim 1, it is characterized in that: a plurality of tin balls further are provided, make a plurality of described tin ball correspondences be located in a plurality of described holding tanks and butt from the described holding parts of described terminal to downward-extension and be suspended in the weld part in described holding tank.
3. the manufacture method of electric connector as claimed in claim 2, it is characterized in that: the corresponding described weld part of two relatively described inwalls of described holding tank is provided with respectively a step, when described terminal is fixedly arranged on to described accepting hole, make described weld part be resisted against described step.
4. the manufacture method of electric connector as claimed in claim 3, it is characterized in that: the described holding parts to described terminal applies an active force, and described weld part is separated with described step.
5. the manufacture method of electric connector as claimed in claim 1, it is characterized in that: described metal level forms in the spraying plating mode.
6. the manufacture method of electric connector as claimed in claim 1, it is characterized in that: described metal level forms in the physical coating mode.
7. the manufacture method of electric connector as claimed in claim 1, it is characterized in that: described wallboard utilizes radium-shine mode to remove.
8. the manufacture method of electric connector as claimed in claim 1 is characterized in that: described wallboard utilizes the water cutter to remove.
9. the manufacture method of electric connector as claimed in claim 1 is characterized in that: described wallboard utilizes described holding parts to remove.
10. an electric connector, is characterized in that, comprising:
One insulating body, which is provided with a plurality of accepting holes, and each described accepting hole has a holding slot and a holding tank, between described holding slot and described holding tank, is provided with a punctured hole;
One metal level, plating is located on the inwall of described holding tank;
A plurality of terminals, correspondence is fixedly arranged on a plurality of described accepting holes respectively, and each described terminal has a holding parts and is fixed in described holding slot, from described holding parts, is extended with a base portion and a weld part downwards, and described base portion partly is positioned at described punctured hole.
11. electric connector as claimed in claim 10 is characterized in that: further comprise a plurality of tin balls, a plurality of described tin balls correspondence respectively are located in a plurality of described holding tanks and the described weld part of butt.
12. electric connector as claimed in claim 10 is characterized in that: in described insulating body bottom surface, plating is provided with described metal level.
13. electric connector as claimed in claim 11 is characterized in that: described weld part has two relative clamping limbs, and described two clamping limbs surround a receiving space to accommodate described tin ball in the inner.
14. electric connector as claimed in claim 13 is characterized in that: corresponding described two clamping limbs of two relatively described inwalls of described holding tank are respectively equipped with a step, and the width between described two steps is greater than the distance between described two clamping limbs.
15. the manufacture method of a coating, is characterized in that, comprises the following steps:
One thing to be plated is provided, makes it be arranged with at least one space, in described space, be provided with a wallboard by described space every being set as first area and second area;
Lay coating, to described first area, lay described coating, described coating covers described first area inner surface;
Remove described wallboard, described first area and described second area are connected.
16. the manufacture method of coating as claimed in claim 15 is characterized in that: described wallboard and the independent moulding respectively of described thing to be plated.
17. the manufacture method of coating as claimed in claim 15 is characterized in that: described wallboard and described thing to be plated are one-body molded.
18. the manufacture method of coating as claimed in claim 15 is characterized in that: described coating forms in the spraying plating mode.
19. the manufacture method of coating as claimed in claim 15 is characterized in that: described coating forms in the physical coating mode.
20. the manufacture method of coating as claimed in claim 15 is characterized in that: described coating forms to be coated with or to spray or be stained with the mode of soaking.
21. the manufacture method of coating as claimed in claim 15 is characterized in that: described wallboard utilizes radium-shine mode to remove.
22. the manufacture method of coating as claimed in claim 15 is characterized in that: described wallboard utilizes the water cutter to remove.
23. the manufacture method of coating as claimed in claim 15 is characterized in that: make described thing to be plated be arranged with a plurality of described spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110374224.5A CN102522667B (en) | 2011-11-23 | 2011-11-23 | Electric connector, manufacturing method thereof and coating manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110374224.5A CN102522667B (en) | 2011-11-23 | 2011-11-23 | Electric connector, manufacturing method thereof and coating manufacturing method |
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| CN102522667A CN102522667A (en) | 2012-06-27 |
| CN102522667B true CN102522667B (en) | 2014-01-08 |
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| CN201110374224.5A Active CN102522667B (en) | 2011-11-23 | 2011-11-23 | Electric connector, manufacturing method thereof and coating manufacturing method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474808B (en) * | 2013-09-20 | 2015-07-01 | 番禺得意精密电子工业有限公司 | Electric connector and manufacturing method thereof |
| CN107492728A (en) * | 2017-01-12 | 2017-12-19 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN107104298B (en) * | 2017-04-28 | 2019-06-11 | 番禺得意精密电子工业有限公司 | Electric connector and its manufacturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891019A (en) * | 2004-02-11 | 2007-01-03 | 康蒂特米克微电子有限公司 | Electric sub-assembly comprising an electrically conductive contact pin for pressing into an opening of a printed circuit board |
| CN202103187U (en) * | 2010-04-20 | 2012-01-04 | 番禺得意精密电子工业有限公司 | Electric connector and conductive terminal thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7959466B2 (en) * | 2007-08-01 | 2011-06-14 | Lotes Co., Ltd. | Individually filtered terminals and shielded circuit board through-holes |
| TWM373039U (en) * | 2009-07-17 | 2010-01-21 | Hon Hai Prec Ind Co Ltd | Electrical connector and contacts thereof |
| US8118603B2 (en) * | 2010-03-11 | 2012-02-21 | Lotes Co., Ltd. | Electrical connector |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891019A (en) * | 2004-02-11 | 2007-01-03 | 康蒂特米克微电子有限公司 | Electric sub-assembly comprising an electrically conductive contact pin for pressing into an opening of a printed circuit board |
| CN202103187U (en) * | 2010-04-20 | 2012-01-04 | 番禺得意精密电子工业有限公司 | Electric connector and conductive terminal thereof |
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| CN102522667A (en) | 2012-06-27 |
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