CN202159789U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN202159789U CN202159789U CN2011202048172U CN201120204817U CN202159789U CN 202159789 U CN202159789 U CN 202159789U CN 2011202048172 U CN2011202048172 U CN 2011202048172U CN 201120204817 U CN201120204817 U CN 201120204817U CN 202159789 U CN202159789 U CN 202159789U
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- Prior art keywords
- electric connector
- bend
- accepting groove
- splicing ear
- support portion
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Abstract
An electric connector is used for leading a plug-in card with a plurality of electric contacts to be electrically connected onto a circuit board and comprises a main body part and a plurality of connection terminals. The main body part comprises a casing, a supporting portion and a plurality of through holes, wherein the casing is provided with a plug-in end and an output end, the supporting portion is integrally formed in the casing and supporting surface is arranged at the output end of the casing, and the through holes are formed between the casing and the supporting portion. The plurality of connection terminals are respectively inserted into the output end from the plug-in end through the through holes. Each connection terminal is approximately vertically bent at the output end and forms a bent portion, and a protruded shoulder portion is respectively arranged on each bent portion. A plurality of accommodating grooves are formed on the supporting surface, one part of the bent portions of the connection terminals are respectively and completely accommodated in the accommodating grooves, and the protruded shoulder portion butts against the lower surface of the supporting portion from the lower portions of the accommodating grooves. Each bent portion of the connection terminals is located from many directions or positions, and possibility of distortion and deformation of the connection terminals is reduced when the connection terminals are connected onto the circuit board in pressing mode.
Description
Technical field
The utility model relates to a kind of being used for the plug-in card with a plurality of electric contacts is electrically connected to the electric connector on the circuit board, more particularly, relates to a kind of electric connector that can more stably be fixedly connected terminal with the crimping mode.
Background technology
Had the multiple electric connector that is used for the plug-in card with a plurality of electric contacts (being also referred to as the golden finger plug-in card) is electrically connected to printed circuit board (PCB) in the prior art.Fig. 1-3 shows a kind of electric connector 200 of the prior art.This electric connector 200 comprises: the main body 201 of the roughly cuboid of being processed by insulating material and insulated from each other is plugged on two row's splicing ears 202 and 203 in the main body 201.Main body 201 comprises upper wall 204, lower wall 205 and the support portion 206 between upper wall 204 and lower wall 205.When assembling this connector 200; The splicing ear 202 and 203 a plurality of through holes between upper wall 204 and lower wall 205 and support portion 206 respectively inserts from the insertion end 207 of main part 201; And the link of splicing ear 202 and 203 exposes from the output 208 of main part 201; Afterwards; Make splicing ear 202 and 203 bend about 90 degree and form bend 2021 and 2031 at output respectively, thereby, be installed to electric connector 200 on the circuit board through for example adopting inserting mode to be electrically connected to the respective electrical contact point of circuit board each bend 2021 and 2031.Fig. 3 shows splicing ear 202 in the prior art and 203 installment states at the output 208 of main part 201.Be used for two row's splicing ears 202 and with the surface of two outputs 206 of 203 support portion 206 on generally form smooth structure, so each bend 2021 and 2031 just abuts on the smooth surface of output 206.So just be difficult to adopt the technology of for example molded (overmold), Overmolded or encapsulate mould and so on to realize the crimping encapsulation between splicing ear and the circuit board.Further, because splicing ear need pass through bending, and its pressure contact portion does not have fixed structure; Be not easy to realize firmly fixing; Cause being crimped onto discontinuity in the process of circuit board, be easy to generate torsional deformation, further cause the crimping difficulty at inserted terminal with splicing ear.In view of the distortion that when being crimped onto circuit board, is distorted easily of this golden finger plug-in card electric connector, the mode of having to adopt welding is connected to the splicing ear of this electric connector on the circuit board.
The utility model content
The technical problem that the utility model solved is to provide a kind of being used for that the plug-in card with a plurality of electric contacts is electrically connected to the electric connector on the circuit board, when it can be on being crimped onto circuit board, reduces the be distorted possibility of distortion of splicing ear.
The utility model further provides a kind of electric connector, and each bend of its splicing ear is positioned in a plurality of directions or position, thereby further is difficult for the distortion that is distorted on being pressed into circuit board the time.
According to the embodiment of an aspect of the utility model, a kind of electric connector is provided, be used for a plug-in card is electrically connected to circuit board, comprising: a main part and a plurality of splicing ear.Said main part comprises: a shell has an insertion end and an output; A support portion is integrally formed in the said shell, and has stayed surface at the said output of said shell; And a plurality of through holes, be formed between said shell and the said support portion.A plurality of splicing ears are inserted into said output from said insertion end through said through hole respectively.Each said splicing ear generally perpendicularly bends and forms a bend at said output; Said bend has a convex shoulder; Form a plurality of accepting grooves on the said stayed surface; The part of the bend of said splicing ear is housed in the said accepting groove respectively fully, and said convex shoulder is resisted against on the lower surface of said support portion.
In above-mentioned electric connector, be provided with in the said accepting groove and be used to the stop part that stops that said bend is deviate from from said accepting groove.
In above-mentioned electric connector, said stop part is from the inwall of said accepting groove, to give prominence to a plurality of juts that form in opposite directions.Has the inclined-plane on the said jut.
In above-mentioned electric connector; Said support portion forms a notch part that in housing, extends in the bottom of output; Be positioned at an outside external support surface and be positioned at an inner inner support surface thereby form, and accepting groove divides two rows to be respectively formed on said external support surface and the inner support surface.
In above-mentioned electric connector, said splicing ear comprises two rows, and passes respectively at the upper wall of said shell and the through hole between lower wall and the said support portion, and the bend of the said splicing ear of two rows is contained in respectively in the corresponding accepting groove.
In above-mentioned electric connector, further comprise the location division, said location division is provided with a plurality of location holes, and the bend of the splicing ear that the through hole between said upper wall and said support portion passes further passes said location hole after passing said accepting groove.
In above-mentioned electric connector, the end of said bend is provided with those widened sections, and the roughly middle part of said those widened sections forms through hole.
In above-mentioned electric connector, said electric connector is a kind of card connector of perpendicular type, and wherein the direction of insertion of plug-in card and electric connector are crimped onto the crimping direction approximate vertical on the circuit board.
According to the utility model embodiment on the other hand, a kind of electric connector making method is provided, comprise the steps: to form a main part, said main part comprises: a shell has an insertion end and an output; A support portion is integrally formed in the said shell, and has stayed surface at the said output of said shell; And a plurality of through holes, be formed between said shell and the said support portion.The electric connector making method of the utility model further comprises: on said stayed surface, form a plurality of accepting grooves; A plurality of splicing ears are inserted into said output from said insertion end through said through hole respectively, and wherein each said splicing ear comprises a convex shoulder; Generally perpendicularly bend each said splicing ear to form a bend at said output; And the part of the bend of said splicing ear snapped onto respectively in the corresponding said accepting groove fully, and said convex shoulder is resisted against on the lower surface of said support portion in the bottom of said accepting groove.
In above-mentioned electric connector making method, further comprise: be formed in said accepting groove stopping that said bend deviates from the stop part of said accepting groove in the step that forms a plurality of accepting grooves on the said stayed surface.
In above-mentioned electric connector making method, said stop part is from the inwall of said accepting groove, to give prominence to a plurality of juts that form in opposite directions.
In above-mentioned electric connector making method; The step that forms said main part comprises: said support portion forms a notch part that in housing, extends in the bottom of output, is positioned at an outside external support surface and is positioned at an inner inner support surface thereby form; And with accepting groove divide two row be respectively formed on said external support surface and the inner support surface.
In above-mentioned electric connector making method; Said splicing ear is divided into two rows; And pass respectively at the upper wall of said shell and the through hole between lower wall and the said support portion, afterwards, with two row said splicing ear bend be contained in respectively in the corresponding accepting groove.
Electric connector according to the various embodiment of the utility model is the card connector of a kind of similar perpendicular type (Right Angle); Its accepting groove structure makes the splicing ear distortion that is distorted in the time of can preventing to be plugged into electric connector on the circuit board; And can reduce intermediate fabrication technologies such as molded, reduced cost of manufacture.
Description of drawings
The utility model will come further explain with reference to accompanying drawing, wherein:
Fig. 1 is the schematic perspective view of traditional electrical connector, and wherein splicing ear does not bend;
Fig. 2 is the another kind of schematic perspective view of electric connector shown in Figure 1, and wherein splicing ear bends;
Fig. 3 is the cutaway view that electric connector shown in Figure 2 is cut open along the A-A line;
Fig. 4 is the partial exploded view according to the electric connector of a kind of exemplary embodiment of the utility model;
Fig. 5 is the schematic perspective view after the electric connector assembling shown in Figure 4;
Fig. 6 is that schematic perspective view is amplified in the part of the B direction of electric connector shown in Figure 4;
Fig. 7 is the local enlarged diagram at C position of the output of electric connector shown in Figure 4;
Fig. 8 is the local enlarged diagram at D position of the output of electric connector shown in Figure 4;
Fig. 9 is the schematic perspective view when splicing ear is inserted main part;
Figure 10 is the end view of Fig. 9;
Figure 11-the 14th, the cutaway view of the splicing ear bending process of main part is inserted in expression;
Figure 15 is the cutaway view that electric connector shown in Figure 5 is cut open along the E-E line;
Figure 16 is the cutaway view of first embodiment of the accepting groove on the installation surface of support portion; And
Figure 17 is the amplification view of second embodiment of the accepting groove on the installation surface of support portion.
Embodiment
Though will fully describe the utility model with reference to the accompanying drawing of the preferred embodiment that contains the utility model; But, this should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtains the technique effect of the utility model simultaneously before describing.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in the described exemplary embodiment of restriction the utility model.
Fig. 4-8 shows the electric connector 100 according to a kind of exemplary embodiment of the utility model.The electric connector 100 of the utility model is used for the plug-in card with a plurality of electric contacts is electrically connected to circuit board, and have with prior art shown in Figure 2 in the roughly the same external shape of electric connector 200.Particularly, the shape of the insertion end of the utility model electric connector 100 shown in Figure 12 and electric connector shown in Figure 2 is identical with structure, therefore can insert traditional plug-in card.
Particularly, the electric connector 100 of the utility model comprises the main part and the splicing ear 3 and 4 (referring to Fig. 9) that is plugged on one-tenth two arranged in the main body insulated from each other of the roughly cuboid of being processed by the insulating material of for example plastic cement and so on.Further, referring to Fig. 4 and 11, said main part comprises: shell 1 has the reciprocal insertion end 11 and the output 12 that exposes splicing ear that is used to insert splicing ear 3 and 4; Support portion 2 is integrally formed in the shell 1, and has stayed surface 21 and 22 at the output 12 of shell 1; And a plurality of through holes 6 (referring to Fig. 6 and 8), be formed between shell 1 and the support portion 2.A plurality of splicing ears 3 and 4 are gone into to output 12 through through hole slotting 6 from insertion end 11 respectively, and generally perpendicularly bend and form bend 31 and 41 at 12 outputs 12.Form a plurality of accepting grooves 23 and 24 (referring to Fig. 6) on the stayed surface 21 and 22 respectively, splicing ear 3 and 4 bend 31 and a part of 41 are housed in respectively in accepting groove 23 and 24.
In a kind of exemplary embodiment of the utility model; Referring to Fig. 6,11 and 12; Support portion 2 forms the notch part 25 that in housing 1, extends in the bottom of output 12; Be positioned at outside stayed surface 21 and be positioned at inner stayed surface 22 thereby form, and accepting groove 23 and 24 is respectively formed in stayed surface 21 and 22.Correspondingly, in two row's splicing ears, splicing ear 3 passes the through hole 6 between the upper wall of shell 1 and support portion 2, and the part of its bend 31 is contained in the accepting groove 23 that is arranged on the stayed surface 21; Splicing ear 4 passes the through hole 6 between the lower wall of shell 1 and support portion 2, and the part of its bend 41 is contained in the accepting groove 24 that is arranged on the stayed surface 22.Thus, referring to Figure 14 and 15, at the output 12 of housing 1, splicing ear 3 and 4 forms the bend 31 and 41 of two rows and main part approximate vertical respectively.The splicing ear 3 and 4 the other end 32 and 42 opposite with bend are positioned at the inside of housing 1, and are electrically connected with a plurality of electric contacts of plug-in card (not shown) respectively.In a kind of interchangeable embodiment, splicing ear also can just be arranged to a row.
In the further embodiment of the utility model, be provided with in the accepting groove 23 and 24 and be used to stop that bend 31 and 41 deviates from the stop part of accepting groove 23 and 24.Referring to Figure 16 and 17; Stop part is from the inwall of accepting groove 23 or 24, to give prominence to a plurality of juts 25 or 26 that form in opposite directions; Wherein Figure 16 is accepting groove 23 or 24 edges of a kind of embodiment and the cutaway view of stayed surface 21 or 22 vertical direction; This accepting groove 23 or 24 cross section have roughly trapezoidal shape, wherein near the outstanding toward each other jut 25 that forms in the both sides of the outside opening part of accepting groove.Figure 17 is accepting groove 23 or 24 edges of another kind of embodiment and the cutaway view of stayed surface 21 or 22 vertical direction, and this accepting groove 23 or 24 cross section have the shape of essentially rectangular, wherein the outstanding toward each other jut 26 that forms on the inwall of accepting groove.This jut 26 can be the rectangular structure along the above-below direction of accepting groove, also can be the projection along a plurality of interrupted layouts of the above-below direction of accepting groove.Further, toward the outer side and/or on the surface of inboard, have inclined- plane 261 and 262 at jut 26.This ramp structure helps bend 31 and 41 with splicing ear 3 and 4 and pushes or break away from accepting groove 23 or 24.
Referring to Fig. 7 and 7, each splicing ear 3 and 4 bend 31 and 41 all have convex shoulder 33, and said convex shoulder 33 is resisted against on the lower surface of support portion 2 in the bottom of accepting groove 23 or 24.Like this, when the bend 31 and 41 with splicing ear 3 and 4 is crimped onto on the circuit board, can stop bend 31 and 41 with crimping direction in the opposite direction on move.In embodiment further, bend 31 and 41 end are provided with the those widened sections 34 of its width widen, and the roughly middle part of said those widened sections 34 forms through hole 35.When the bend 31 and 41 with splicing ear 3 and 4 was crimped onto in the jack on the circuit board, those widened sections 34 got into jack and strain takes place with through hole 35, thereby can be firmly held in the jack of circuit board.But the utility model is not limited in this; Also can the end of bend 31 and 41 be arranged to be divided into two branches; And has slit between two branches; When the bend 31 and 41 with splicing ear 3 and 4 was crimped onto in the jack on the circuit board, two branches got into jack and elastic shrinkage take place, thereby also can be firmly held in the jack of circuit board like this.
In the electric connector 100 of the utility model, splicing ear 3 and 4 can be the splicing ear with broad width as shown in Figure 7, also can be the splicing ear with narrower width as shown in Figure 8.In addition, in the splicing ear with broad width shown in Figure 7, bend 31 or 41 end have two insertion sections.
According to the further embodiment of the utility model; Referring to Fig. 4 and 15; Electric connector 100 also comprises the location division 5 of the roughly rectangular shape of being processed by the insulating material of for example plastic cement and so on; Said location division 5 is provided with a plurality of location holes 51; The bend 31 of the splicing ear 3 that passes from the upper wall and the through hole 6 between the support portion 2 of housing 1 further passes positioning hole corresponding 51 after passing accepting groove 23, thereby further bend 31 is positioned, and makes bend 31 distortion that is not easy to be distorted.
With reference to accompanying drawing; According to the embodiment on the other hand of the utility model, a kind of manufacturing approach of electric connector 100 also is provided, comprise the steps: to form a main part; Said main part comprises: a shell 1 has an insertion end 11 and an output 12; A support portion 2 is integrally formed in the said shell 1, and has stayed surface 21 and 22 at the said output of said shell; And a plurality of through holes 6, be formed between said shell and the said support portion.The electric connector making method of the utility model further comprises: on said stayed surface, form a plurality of accepting grooves 23 or 24; A plurality of splicing ears 3 and 4 are inserted into output 12 from said insertion end 11 through through hole 6 respectively, and wherein each splicing ear comprises a convex shoulder 33; Generally perpendicularly bend each splicing ear at output 12 places to form a bend 31 or 41; The part of the bend of splicing ear is snapped onto respectively in corresponding accepting groove 23 or 24 fully, and convex shoulder 33 is resisted against on the lower surface of support portion 2 in the bottom of corresponding accepting groove 23 or 24.
In the manufacturing approach of the electric connector 100 of the utility model, the step that on stayed surface 21 and 22, forms a plurality of accepting grooves 23 or 24 further comprises: be formed in accepting groove stopping that bend 31 or 41 deviates from the stop part of accepting groove.Said stop part is from the inwall of said accepting groove, to give prominence to a plurality of juts 25 or 26 that form in opposite directions.The step that forms said main part comprises: support portion 2 forms a notch part 25 that in housing 1, extends in the bottom of output 12, is positioned at outside stayed surface 21 and is positioned at inner stayed surface (22) thereby form; And accepting groove 23 and 24 minutes two row is respectively formed on external support surface 21 and the inner support surface 22.Further, splicing ear 3 and 4 is divided into two rows, and passes respectively at the upper wall of shell 1 and the through hole 6 between lower wall and the support portion 2, afterwards, with two row said splicing ear bend be contained in respectively in the corresponding accepting groove.
The manufacturing process of the electric connector 100 of the utility model is described with reference to Fig. 9-15 below in more detail.At first, each splicing ear 3 and 4 is divided into two rows and inserts the through hole separately 6 (referring to Fig. 9 and 10) be arranged in main part respectively; Splicing ear 3 and 4 is passed separately through hole 6 and after output 12 exposes, bending is positioned at the splicing ear 4 of bottom, the part of its bend 41 is embedded be positioned at inner accepting groove 24 (referring to Fig. 6,11 and 12); Afterwards; Bend superposed splicing ear 3; Make the part of its bend 31 be pressed into the accepting groove 23 (referring to Fig. 6,13 and 14) that is positioned at the outside; Thereby be embedded into the bend 31 and 41 of each splicing ear 3 and 4 respectively in the accepting groove 23 and 24 separately, and make the convex shoulder 33 on bend 31 and 41 be resisted against on the lower surface of support portion 2 in the bottom of accepting groove 23 or 24; Afterwards; Make the insertion end of each bend 31 pass the corresponding location hole 51 on the location division 5 respectively; And the roughly concordant position of stayed surface 22 that location division 5 is moved to and is positioned at inside shown in figure 15; Thereby position through the bend 31 of location hole 51, and the bend 41 that is arranged in the splicing ear 4 of bottom is positioned portion's 5 pressure holdings at accepting groove 24 to each superposed splicing ear 3.Like this, each bend 31 and 41 is positioned in a plurality of directions or position, thereby is difficult for being distorted distortion during the jack on being pressed into circuit board.
It will be appreciated by those skilled in the art that; Above described embodiment all be exemplary; And those skilled in the art can make improvements; Can carry out independent assortment under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis of the technical problem that solves the utility model, realize more kinds of electric connectors.
After the preferred embodiment that specifies the utility model; Those of ordinary skill in the art can clearly understand; Under protection range that does not break away from the claim of enclosing and spirit, can carry out various variations and change, and the utility model also is not subject to the execution mode of the exemplary embodiment of lifting in the specification.
Claims (9)
1. an electric connector is used for a plug-in card is electrically connected to circuit board, comprising:
A main part, said main part comprises:
A shell has an insertion end and an output;
A support portion is integrally formed in the said shell, and has stayed surface at the said output of said shell; And
A plurality of through holes are formed between said shell and the said support portion; And
A plurality of splicing ears are inserted into said output from said insertion end through said through hole respectively;
It is characterized in that,
Each said splicing ear generally perpendicularly bends and forms a bend at said output; Said bend has a convex shoulder; Form a plurality of accepting grooves on the said stayed surface; The part of the bend of said splicing ear is housed in the said accepting groove respectively fully, and said convex shoulder is resisted against on the lower surface of said support portion.
2. electric connector as claimed in claim 1 is characterized in that, is provided with in the said accepting groove to be used to the stop part that stops that said bend is deviate from from said accepting groove.
3. electric connector as claimed in claim 2 is characterized in that, said stop part is from the inwall of said accepting groove, to give prominence to a plurality of juts that form in opposite directions.
4. electric connector as claimed in claim 3 is characterized in that, has the inclined-plane on the said jut.
5. electric connector as claimed in claim 1; It is characterized in that; Said support portion forms a notch part that in housing, extends in the bottom of output; Be positioned at an outside external support surface and be positioned at an inner inner support surface thereby form, and accepting groove divides two rows to be respectively formed on said external support surface and the inner support surface.
6. electric connector as claimed in claim 5; It is characterized in that; Said splicing ear comprises two rows, and passes respectively at the upper wall of said shell and the through hole between lower wall and the said support portion, and the bend of the said splicing ear of two rows is contained in respectively in the corresponding accepting groove.
7. electric connector as claimed in claim 6; It is characterized in that; Further comprise the location division, said location division is provided with a plurality of location holes, and the bend of the splicing ear that the through hole between said upper wall and said support portion passes further passes said location hole after passing said accepting groove.
8. electric connector as claimed in claim 1 is characterized in that the end of said bend is provided with those widened sections, and the roughly middle part of said those widened sections forms through hole.
9. electric connector as claimed in claim 1 is characterized in that, said electric connector is a kind of card connector of perpendicular type, and wherein the direction of insertion of plug-in card and electric connector are crimped onto the crimping direction approximate vertical on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202048172U CN202159789U (en) | 2011-06-16 | 2011-06-16 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202048172U CN202159789U (en) | 2011-06-16 | 2011-06-16 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159789U true CN202159789U (en) | 2012-03-07 |
Family
ID=45767413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202048172U Expired - Lifetime CN202159789U (en) | 2011-06-16 | 2011-06-16 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832472A (en) * | 2011-06-16 | 2012-12-19 | 泰科电子(上海)有限公司 | Electric connector and manufacturing method of electric connector |
| CN111628328A (en) * | 2020-06-24 | 2020-09-04 | 东莞立讯技术有限公司 | Electrical connector |
-
2011
- 2011-06-16 CN CN2011202048172U patent/CN202159789U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832472A (en) * | 2011-06-16 | 2012-12-19 | 泰科电子(上海)有限公司 | Electric connector and manufacturing method of electric connector |
| CN102832472B (en) * | 2011-06-16 | 2016-03-30 | 泰科电子(上海)有限公司 | The manufacture method of electric connector and electric connector |
| CN111628328A (en) * | 2020-06-24 | 2020-09-04 | 东莞立讯技术有限公司 | Electrical connector |
| US11621507B2 (en) | 2020-06-24 | 2023-04-04 | Dongguan Luxshare Technologies Co., Ltd | Electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |