CN100530834C - Electric connector and method of making same - Google Patents
Electric connector and method of making same Download PDFInfo
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- CN100530834C CN100530834C CNB2007100293784A CN200710029378A CN100530834C CN 100530834 C CN100530834 C CN 100530834C CN B2007100293784 A CNB2007100293784 A CN B2007100293784A CN 200710029378 A CN200710029378 A CN 200710029378A CN 100530834 C CN100530834 C CN 100530834C
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- electric connector
- insulating body
- conducting terminal
- accepting hole
- groove
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Abstract
This invention relates to an electric connector including an insulation body with containing holes and conductive terminals set in the holes, in which, at least one tank is set on the insulation body connected with the holes for molten plastic flowing then to fix the conductive terminals with it in the body after it is cooled, in this way, it's not necessary to set any fix structure for the conductive terminals nor the insulation body correspondingly so as to simplify process procedures, besides, the thickness of the hole wall of the adjacent terminal can be guaranteed since it's not necessary to set any fix structure for the insulation body and its intensity can be ensured.
Description
[technical field]
The present invention is about a kind of electric connector and manufacture method thereof.
[background technology]
Development along with the calculator technology, connect chip module to the electric connector of printed circuit board (PCB) under the constant situation of insulating body area, need plant more conducting terminal, this just needs the spacing between the conducting terminal further to reduce, also promptly mean reducing of spacing between the terminals of adjacent accepting hole, need also meanwhile to guarantee that conducting terminal is stable is immobilizated in the described insulating body, it also is the holding structure that the fixing conducting terminal need be set on the insulating body, common way is that protruding thorn is set on the conducting terminal, the interference groove is set in the insulating body, as Fig. 1 and Fig. 2, this electric connector is one and connects the electric connector of chip module 6 to printed circuit board (PCB) 7, and it comprises insulating body 8 and is located in conducting terminal 9 in the insulating body 8.Described insulating body 8 is provided with terminal accommodation holes 80, and a hole wall of terminal accommodation holes 80 caves inward and forms a connecting hole 81, described conducting terminal 9 comprises holding parts 90, contact site 91 that extends to form from holding parts 90 upper ends and the weld part 92 that extends to form from the lower end of holding parts 90, wherein, described holding parts 90 comprises tabular main body 900, be positioned at the protruding thorn 901 of main body 900 both sides and the surface of autonomous agent 900 and outwards protrude the salient point 902 that forms, described protruding thorn 901 cooperates with the two side interference of terminal accommodation holes 80, can be terminal 9 active force perpendicular to its direction of insertion is provided, described salient point 902 and described connecting hole 81 are to cooperating, not only provide active force perpendicular to its direction of insertion for terminal 9, and provide the active force that is parallel to its direction of insertion, thereby with terminal 9 from a plurality of directions fixing in addition, effectively prevent terminal 9 moving on its direction of insertion, and then guarantee terminal 9 stable retain strength and flatness between the terminal in a large number in the accepting hole 80 of insulating body 8 in.But because insulating body is provided with the holding structure corresponding with conducting terminal (such as the connecting hole 81 that is provided with on it, and the structure that cooperates with protruding thorn on the conducting terminal), will cause reducing of terminals of adjacent accepting hole wall thickness like this, also thereupon weakening of insulating body intensity, and holding structure additionally is set on conducting terminal and the insulating body will inevitably increase manufacturing procedure, reduces and makes efficient.
In view of above problem, need a kind of new electric connector of design with and manufacture method to overcome above-mentioned defective.
[summary of the invention]
The object of the present invention is to provide a kind of electric connector, this electric connector easily fixed conductive terminals in insulating body, and can reduce the manufacturing procedure of conducting terminal and insulating body, enhance productivity, in the intensity that guarantees to guarantee when high density plugs terminal insulating body.
In order to achieve the above object, electric connector of the present invention, it comprises the insulating body that is provided with accepting hole and is located in conducting terminal in the described accepting hole, and that offers on the described insulating body that at least one is connected with described accepting hole is immobilizated in conducting terminal for plastic cement circulation of fusing and after treating its cooling groove in the described insulating body.
Compared with prior art, electric connector of the present invention, use in the groove that plastic cement enters with terminal accommodation holes is connected that melts and treat and after its cooling conducting terminal is immobilizated in the insulating body, like this, conducting terminal itself just can be provided with holding structure, described insulating body does not need to be provided with and the corresponding holding structure of the holding parts of conducting terminal yet, so can simplify the manufacturing procedure of conducting terminal and insulating body, in addition, because insulating body need not be provided with holding structure, the thickness of adjacent terminal hole wall can guarantee under the situation of high density plant terminal, and then guarantee the intensity of insulating body.
The present invention also provides a kind of making method for electric connector, it comprises the steps: the forming step of A. insulating body, it is included in and forms the accepting hole that runs through its upper and lower surface on the insulating body, forms the groove that at least one is connected with described accepting hole in addition thereon; B. the forming step of conducting terminal, moulding one conducting terminal, it comprises contact site and department of assembly; C. described conducting terminal is assembled in described accepting hole; D. the plastic cement of perfusion fusing in described groove is treated after its cooling at least a portion of conducting terminal pars intermedia is immobilizated in the described insulating body.
In view of electric connector of the present invention is also had same effect with respect to the beneficial effect analysis of prior art making method for electric connector of the present invention as can be seen.
[description of drawings]
Fig. 1 is existing electric connector and partial sectional view after chip module and printed circuit board (PCB) cooperate;
Fig. 2 is the stereogram of existing electric connector conducting terminal;
Fig. 3 is the schematic perspective view of electric connector insulating body of the present invention;
Fig. 4 is the partial cutaway schematic after electric connector insulating body of the present invention and the conducting terminal assembling;
Fig. 5 is the generalized section of electric connector of the present invention;
Fig. 6 is the schematic diagram of electric connector of the present invention by tool pouring fusing plastic cement;
Fig. 7 is the schematic diagram of electric connector of the present invention after the fusing plastic cement of pouring solidifies;
The generalized section that Fig. 8 cooperates with chip module and printed circuit board (PCB) in the fusing plastic cement cooling back of pouring for electric connector of the present invention.
[embodiment]
Below in conjunction with the drawings and specific embodiments electric connector of the present invention is described further.
See also Fig. 3 to Fig. 8, electric connector of the present invention, in order to chip module 3 is electrically connected to printed circuit board (PCB) 4, it comprises insulating body 1 and is located in conducting terminal 2 in the insulating body 1.
Described insulating body 1 is squarely roughly, and it comprises main part 10, and is positioned at the framework 11 of main part 10 peripheries.Offer the terminal accommodation holes 100 of inclination on the described main part 10, this accepting hole 100 is embarked on journey into the row setting, described conducting terminal 2 correspondences are contained in this accepting hole 100, in addition, at the top formation arc domatic 1000 of described accepting hole 100 near a side of chip module 3, conducting terminal 2 is subjected to from producing downwards distortion after the downforce of chip module 3 and being resisted against this on domatic 1000, in the present embodiment, the upper surface of autonomous body 10 also extends upward and forms a plurality of supporting brackets 101 that are provided with along described conducting terminal 2 place row or column (certainly, supporting bracket 101 also can be set or the zone of conducting terminal is not set at the upper surface of main part, extend upward and be provided with a plurality of projectioies and replace supporting bracket 101), described chip module 3 is resisted against on the upper surface of supporting bracket 101 after working good with electric connector, prevents that chip module 3 from excessively pressing down conducting terminal 2; Described framework 11 comprises top framework 110 and bottom framework 111, this top framework 110 and the common host cavity 102 of accommodating described chip module 3 that forms of the upper surface of described supporting bracket 101, this bottom framework 111 forms the groove 103 that circulates for fusing plastic cement 5 jointly with the lower surface of main part 10, this groove 103 is continuous, and promptly this groove 103 is connected with described accepting hole 100.
Described conducting terminal 2 loose being installed in the described accepting hole 100, it comprises pars intermedia 20, the department of assembly 22 that contact site 21 that electrically contacts with chip module that is positioned at pars intermedia 20 tops and the printed circuit board (PCB) that is positioned at the pars intermedia below electrically contact.
As shown in Figure 6, before perfusion fusing plastic cement 5 in described groove 103, earlier conducting terminal 2 is installed in the described inclination accepting hole 100, makes the upper end of conducting terminal 2 stretch out the upper surface of supporting bracket 101, the lower surface of bottom framework 111 is stretched out electrically to contact mutually with printed circuit board (PCB) in its lower end.Then, with the electric connector turned upside down that assembles, use tool 6 in described groove 103, to pour into the plastic cement 5 of fusing, because groove 103 is continuous, only need once a perfusion of perfusion action tool to realize, and because groove 103 is communicated with described accepting hole 100, so the plastic cement 5 of fusing can flow in the described accepting hole 100, but because the ratio of viscosities of this fusing plastic cement 5 is bigger, so though this plastic cement 5 can enter in the accepting hole 100, can flow out electric connectors downwards along accepting hole 100 but be unlikely, conducting terminal can be fixed in the described insulating body 1, as shown in Figure 7 after waiting to melt plastic cement 5 coolings.
In this creation, because described conducting terminal 2 is not provided with holding parts, will simplify the manufacturing procedure of conducting terminal, and because conducting terminal is not provided with holding parts, described insulating body 1 just need not be provided with holding structure yet, can simplify the manufacturing procedure of insulating body equally, and because insulating body is not provided with holding structure, under the situation of same terminal plant density, terminals of adjacent is accommodated the thickness of hole wall and will be increased, and then the intensity of increase insulating body, equally, under terminal accommodating pore wall thickness identical (with respect to being provided with on the insulating body for the holding structure of fixing conducting terminal) and the situation identical in order to the area that plants conducting terminal, density is set will increases of terminal accommodation holes, and then satisfy that the calculator technical development brought terminal is planted the demand that density further provides.
Above-mentioned electric connector making method, it comprises the steps: the forming step of A. insulating body 1, it is included in and forms the inclination accepting hole 100 that runs through its upper and lower surface on the insulating body, and be formed with domaticly 1000 on the top of this accepting hole, form a groove 103 continuous and that be connected with described accepting hole in addition in the bottom of described insulating body 1; B. the forming step of conducting terminal 2, moulding one conducting terminal, it comprises contact site 21, department of assembly 22 and be positioned between the two pars intermedia 20; C. described conducting terminal 2 is assembled in described accepting hole 100; D. the plastic cement 5 of perfusion fusing in described groove 103 treats that the pars intermedia 20 of its cooling back fixing conducting terminal 2 is immobilizated in the described insulating body 1.
Certainly, described groove 103 also can be discontinuous, but a groove is set (like this at every capable accepting hole side setting groove corresponding or between per two row accepting holes 100 with the line number of accepting hole 100, the number of groove just can reduce by half), perhaps in the subregion, described groove 103 is located at the side of each row accepting hole 100, and in another zone, described groove 103 is arranged between the adjacent two row accepting holes 100, as long as guarantee that these grooves are connected with accepting hole 100, the fusing plastic cement can be gone into each accepting hole 100 along this concentrated flow too, can easily conducting terminal 2 be fixed in the described insulating body 1 equally after the cooling.In the design of this groove 103, the steps A in the aforementioned manufacture method also need be made corresponding change.
In addition, described groove 103 can be diapire with the upper surface of described insulating body 1 also, like this, does not just need electric connector is inverted before perfusion fusing plastic cement.Perhaps described groove 103 is between the upper and lower surface of insulating body 1, and this zone that need insulating body be provided with conducting terminal 2 is arranged to hollow form and is got final product.Can easily conducting terminal 2 be fixed in the described insulating body 1 equally.In the design of this groove 103, the steps A in the aforementioned manufacture method also need be made corresponding change.
Claims (13)
1. electric connector, it comprises the insulating body that is provided with accepting hole and be located in conducting terminal in the described accepting hole, it is characterized in that: that offers on the described insulating body that at least one is connected with described accepting hole is immobilizated in conducting terminal for plastic cement circulation of fusing and after treating its cooling groove in the described insulating body.
2. electric connector as claimed in claim 1 is characterized in that: described groove is for being communicated with the succeeding vat of all accepting holes.
3. electric connector as claimed in claim 1 is characterized in that: at least in part zone, described groove is positioned at the side of each row accepting hole.
4. electric connector as claimed in claim 1 is characterized in that: at least in part zone, described groove is between adjacent two row accepting holes.
5. electric connector as claimed in claim 1 is characterized in that: described groove is positioned at described insulating body top or bottom.
6. electric connector as claimed in claim 1 is characterized in that: described groove is between the upper and lower surface of described insulating body.
7. electric connector as claimed in claim 1 is characterized in that: described accepting hole is obliquely installed in described insulating body.
8. electric connector as claimed in claim 7 is characterized in that: the top of described accepting hole be provided with behind the conducting terminal pressurized for its against domatic.
9. electric connector as claimed in claim 1 is characterized in that: described conducting terminal is loose to be installed in the described insulating body.
10. making method for electric connector, it comprises the steps: the forming step of A. insulating body, it is included in and forms the accepting hole that runs through its upper and lower surface on the insulating body, forms the groove that at least one is connected with described accepting hole in addition thereon; B. the forming step of conducting terminal, moulding one conducting terminal, it comprises contact site, department of assembly and be positioned between the two pars intermedia; C. described conducting terminal is assembled in described accepting hole; D. the plastic cement of perfusion fusing in described groove treats that its at least a portion of cooling off back fixing conducting terminal pars intermedia is in described insulating body.
11. making method for electric connector as claimed in claim 10 is characterized in that: in described steps A, described groove is formed at the bottom or the top of described insulating body.
12. making method for electric connector as claimed in claim 10 is characterized in that: in described steps A, described groove to small part is formed between adjacent two accepting holes.
13. making method for electric connector as claimed in claim 10 is characterized in that: in described steps A, described groove to small part is formed at each accepting hole side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100293784A CN100530834C (en) | 2007-07-26 | 2007-07-26 | Electric connector and method of making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100293784A CN100530834C (en) | 2007-07-26 | 2007-07-26 | Electric connector and method of making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101136520A CN101136520A (en) | 2008-03-05 |
| CN100530834C true CN100530834C (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100293784A Active CN100530834C (en) | 2007-07-26 | 2007-07-26 | Electric connector and method of making same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100530834C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593691B (en) * | 2012-03-13 | 2014-11-12 | 番禺得意精密电子工业有限公司 | Method and device for manufacturing electrical connector |
| JP7219018B2 (en) * | 2018-05-18 | 2023-02-07 | モレックス エルエルシー | Connectors, connector assemblies, and circuit devices |
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2007
- 2007-07-26 CN CNB2007100293784A patent/CN100530834C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101136520A (en) | 2008-03-05 |
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