CN102157879B - Manufacturing method of electrical connector - Google Patents
Manufacturing method of electrical connector Download PDFInfo
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- CN102157879B CN102157879B CN 201010621223 CN201010621223A CN102157879B CN 102157879 B CN102157879 B CN 102157879B CN 201010621223 CN201010621223 CN 201010621223 CN 201010621223 A CN201010621223 A CN 201010621223A CN 102157879 B CN102157879 B CN 102157879B
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- terminal
- slot
- groove
- manufacturing
- electrical connector
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 description 18
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
本发明电连接器的制造方法，包括以下步骤：提供一绝缘本体，绝缘本体开设有一插槽，插槽至少一内侧壁设有多个通槽，插槽于内侧壁贯设有至少一开口，开口连通通槽；提供多根线材，对每一线材进行拉拔，制成多个端子，且每一端子的宽幅和通槽的宽幅相同，将多个端子分别对应装入多个通槽，每一端子至少部分位于开口下方；以及提供一治具，治具进入开口，对开口下方的端子进行折弯形成一接触部，接触部部分进入插槽。本发明的有益效果为：节省材料、端子好固定，及利用端子在绝缘本体中二次折弯以保证接触点一致。
The manufacturing method of the electrical connector of the present invention includes the following steps: providing an insulating body, the insulating body is provided with a slot, at least one inner side wall of the slot is provided with a plurality of through slots, and the slot is provided with at least one opening through the inner side wall, The opening communicates with the through groove; multiple wires are provided, and each wire is drawn to make multiple terminals, and the width of each terminal is the same as the width of the through groove. A slot, each terminal is at least partly located under the opening; and a jig is provided, the jig enters the opening, bends the terminal under the opening to form a contact portion, and the contact portion partially enters the slot. The beneficial effects of the invention are: material saving, easy fixing of terminals, and secondary bending of terminals in the insulating body to ensure consistent contact points.
Description
[technical field]
The present invention relates to a kind of manufacture method of electric connector, espespecially a kind of manufacture method that is electrically connected to the electric connector on the circuit board in order to the electronic cards of pegging graft.
[background technology]
Usually, electric connector comprises perpendicular two kinds of formula and the transverse-plug types of inserting, and it plays the intermediate axle beam action, namely connects on electronic cards to a circuit board, makes both form effective path.Described electric connector comprises an insulating body, a plurality of the first terminals and a plurality of the second terminal.Described insulating body is provided with a slot, and two madial walls that described slot is relative offer accepting groove and accommodate described the first terminal and described the second terminal with correspondence.Usually, the first bending and molding of described the first terminal meeting is good, reinstalls in the described accepting groove, and like this, described accepting groove space is opened greatlyr, is beneficial to described the first terminal and packs into.The correlation technique of the described electric connector of transverse-plug type is shown in Chinese patent application CN200720056658.X, CN200720056894.1, CN200720056657.5 etc.
Yet described electric connector has the following disadvantages:
1. because described accepting groove space is opened greatlyr, described the first terminal must be provided with tooth point and described accepting groove interference engagement, just can be fixed in the described accepting groove, like this so that described the first terminal when the bar stock cutting by punching moulding, the material of removing is many, causes the waste of material.
2. because described accepting groove space is opened greatlyr, being beneficial to described the first terminal enters, but so that described the first terminal is bad fixing, if namely the insertion angle of described electronic cards not to the time, meeting is so that the frictional force increase between described electronic cards and the described the first terminal, cause the insertion force of described electronic cards to increase, when insertion force during greater than the buckle power between described electronic cards and the described the first terminal, so that described the first terminal breaks through and described accepting groove between buckle, and produce displacement (be described the first terminal to bottom offset or draw back), and can't stably be fixed in the described accepting groove, thereby so that contacting between described electronic cards and the described the first terminal is unstable, affect the normal electric connection between described electric connector and the described electronic cards.
3. because described the first terminal elder generation bending and molding is well just packed in the described accepting groove, deviation appears when moulding unavoidably, and there is tolerance when cooperating with described accepting groove, position when causing described the first terminal to contact with described electronic cards is inaccurate, might cause some described the first terminal not form electrical path with described electronic cards, affect the normal electric connection of described electric connector and described electronic cards.
Therefore, be necessary to design a kind of new manufacture method and make described electric connector, to overcome the problems referred to above.
[summary of the invention]
For the variety of problems that background technology faces, the object of the present invention is to provide a kind of saving material, terminal well fixing, and utilize terminal in insulating body the secondary bending to guarantee the manufacture method of the electric connector that contact point is consistent.
To achieve these goals, in the present invention to adopt following technical scheme:
A kind of manufacture method of electric connector, may further comprise the steps: an insulating body is provided, and described insulating body offers a slot, and at least one madial wall of described slot is provided with a plurality of grooves, described slot has provided at least one opening in described madial wall, the described groove of described open communication; Many wire rods are provided, each described wire rod is carried out drawing, make a plurality of terminals, and the wide cut of the wide cut of each described terminal and described groove is identical, with a plurality of described terminals correspondence a plurality of described grooves of packing into respectively, at least part of described opening below that is positioned at of each described terminal; And a tool is provided, and described tool enters described opening, the described terminal below the described opening is carried out bending form a contact site, and described contact site partly enters described slot.
Compared with prior art, the electric connector that the present invention makes is used for being electrically connected electronic cards to a circuit board, and it has following beneficial effect:
Since described terminal with the drawing mode moulding, and the wide cut of described terminal is identical with the wide cut of described groove, so described terminal need not to establish the tooth point, thereby has saved material.
If the insertion angle of 2 described electronic cards is not right, meeting is so that the frictional force increase between described electronic cards and the described terminal, cause the insertion force of described electronic cards to increase, because the wide cut of described terminal is identical with the wide cut of described groove, so that described terminal can be well secured in the described groove, avoid described terminal to be subjected to displacement (be described terminal to bottom offset or draw back), thereby guarantee stable contact the between described electronic cards and the described terminal, and then guarantee the normal electric connection between described electric connector and the described electronic cards.
3. because packing into, described contact site just unifies bending and molding behind the described insulating body, can guarantee that described contact site is in order to the consistency of the contact point that contacts described electronic cards, thereby guarantee the accuracy of described electronic cards and described termination contact position, and then guaranteed the normal electric connection of described electric connector and described electronic cards.
For ease of all further understanding and understanding being arranged to purpose of the present invention, shape, structure, feature and effect thereof, and elaborate with accompanying drawing in conjunction with the embodiments.
[description of drawings]
Fig. 1 is the exploded view of electric connector of the present invention;
Fig. 2 is the partial schematic diagram of insulating body in the manufacture method of electric connector of the present invention;
Fig. 3 is do not pack into before the bending schematic diagram of insulating body of the first terminal in the manufacture method of electric connector of the present invention;
Fig. 4 is that the first terminal is packed into and carried out the schematic diagram of bending and molding behind the insulating body in the manufacture method of electric connector of the present invention;
Fig. 5 is that the first terminal is packed into and carried out the schematic diagram of bending and molding behind the insulating body in the manufacture method of electric connector of the present invention;
Fig. 6 is the schematic diagram that insulating body carries out the secondary bending again of packing into behind the second terminal bending in the manufacture method of electric connector of the present invention.
The drawing reference numeral of embodiment:
Insulating body 1 antetheca 11 rear walls 12
Groove 1311 openings 1,312 second madial walls 132
The first terminal 2 holding parts 21 connecting portions 22
Weld part 23 contact sites 24 second terminals 3
Kink 31 Fixed Divisions 32 abutting parts 33
[embodiment]
Be described further below in conjunction with the manufacture method of the drawings and specific embodiments to electric connector of the present invention.
See also Fig. 1, electric connector of the present invention is in order to be electrically connected an electronic cards (not icon) to a circuit board (not icon), it comprises an insulating body 1, be located at a plurality of the first terminals 2 and a plurality of the second terminal 3 in the described insulating body 1, and in order to hold and to withdraw from two earclips 4 of described electronic cards.Described the first terminal 2 is not identical with described the second terminal 3 shapes.
The manufacture method of electric connector of the present invention has the following steps:
Step 1: a described insulating body 1 is provided.
See also Fig. 2, described insulating body 1 is the lengthwise shape, and it has an antetheca 11 and a rear wall 12 relative with described antetheca 11.Be concaved with a slot 13 from described antetheca 11, described slot 13 usefulness are pegged graft for described electronic cards.Described insulating body 1 two ends are respectively equipped with a mounting groove 14.
On the longitudinally of described insulating body 1, described slot 13 has one first madial wall 131 that is positioned at described slot 13 tops and is positioned at one second madial wall 132 of described slot 13 belows.Described the first madial wall 131 is interval with a plurality of grooves 1311, and each described groove 1311 runs through described rear wall 12 and is communicated with described slot 13, and narrower near the position of described rear wall 12, and is gradually wide shape near the position of described slot 13.Described slot 13 provides a plurality of openings 1312 with described groove 1311 equivalent amounts in described the first madial wall 131, each described opening 1312 is communicated with anyhow with corresponding described groove 1311 (certainly, in other embodiments can also for: described the first madial wall 131 only is provided with a described opening 1312, the length of described opening 1312 slightly is shorter than the length of described the first madial wall 131), and be positioned at the top of described groove 1311 broad position.Be concaved with a plurality of separate slots 1321 from described slot 13 inside on described the second madial wall 132, and be concaved with a plurality of grooves 1322 from described antetheca 11 in described the second madial wall 132, described groove 1322 is positioned at same vertical line with corresponding described separate slot 1321.And the described separate slot on described the second madial wall 132 1321 is staggered with described groove 1311 on described the first madial wall 131 to be arranged (certainly, in other embodiments can also for: the described separate slot 1321 on described the second madial wall 132 is positioned at same vertical line with the described groove 1311 on described the first madial wall 131).
12 of described rear walls vertically connect described the first madial wall 131 and described the second madial wall 132.Be concaved with a plurality of holddown grooves 121 of corresponding each described groove 1311 from described rear wall 12, each described holddown groove 121 runs through the bottom surface of described the second madial wall 132.The end face of described rear wall 12 is lower than each described groove 1311.
Step 2: provide many wire rods, respectively a plurality of described the first terminals 2 of moulding and a plurality of described the second terminal 3.
See also Fig. 1 and Fig. 3, each described wire rod is carried out drawing, make a plurality of described the first terminals 2 and a plurality of described the second terminal 3.Described the first terminal 2 after the drawing moulding and 3 one-tenth needle-likes of described the second terminal, and the everywhere wide cut size of described the first terminal 2 is substantially equal, and the wide cut size of the everywhere of each described the second terminal 3 is substantially equal.The wide cut of each described the first terminal 2 is identical with the wide cut of described groove 1311.This mode with the described the first terminal 2 of drawing moulding and described the second terminal 3, the use of having saved material has reduced cost.
Step 3: each described second terminal 3 is carried out the bending and molding operation.
Can form a kink 31 from the 3 approximate mid-section position bendings of described the second terminal with reference to Fig. 1 and Fig. 6, described kink 31 is sleeping " ∪ " type.Form a Fixed Division 32 from described kink 31 1 end bendings again, form an abutting part 33 from described kink 31 other end bendings again.Described Fixed Division 32 is used for being welded in described circuit board, and described abutting part 33 is used for the described electronic cards of butt.
Step 4 a: tool (not shown) is provided, described the first terminal 2 and described the second terminal 3 are carried out the secondary bending.
See also Fig. 3, at first, with each described the first terminal 2 from described rear wall 12 correspondences each described groove 1311 of packing into, described the first terminal 2 has a holding parts 21 and is positioned at described groove 1311 narrower places, and described the first terminal 2 at least part of described opening 1312 belows that are positioned in the described groove 1311.It is to be noted, because described the first madial wall 131 is provided with described opening 1312, described opening 1312 just is positioned at described the first terminal 2 tops of described slot 13, thereby the described the first terminal 2 of more convenient moulding has solved the difficulty that can't reinstall described groove 1311 because described groove 1311 wide cuts are too little after described the first terminal 2 first bendings form described contact site 24.
Secondly, see also Fig. 4, described tool is resisted against each described the first terminal 2 upper surface that is positioned at outside the described rear wall 12, thereby conveniently unify downward bending and form the connecting portion 22 that is connected in described holding parts 21 as support with described rear wall 12 end faces, each described connecting portion 22 correspondence is positioned at each described holddown groove 121
Then, see also Fig. 4, utilize described tool that each described connecting portion 22 latter end is carried out backward bending of level, and form weld part 23.Described weld part 23 is used for being welded in described circuit board.It is to be noted that described the first terminal 2 also can first bending form described connecting portion 22 and described weld part 23, reinstalls in the described groove 1311.
Then, see also Fig. 5, the correlated parts of described tool is extended into described opening 1312, and be resisted against described the first terminal 2 upper surfaces of described opening 1312 belows, and described tool part props up described the first terminal 2 lower surfaces, thereby carry out bending and form contact site 24, each described contact site 24 part can enter in the described slot 13.The described insulating body 1 rear bending and molding of just unifying because described contact site 24 is packed into, can guarantee that described contact site 24 is in order to the consistency of the contact point that contacts described electronic cards, thereby guarantee the accuracy of described electronic cards and described the first terminal 2 contact positions, and then guaranteed the normal electric connection of described electric connector and described electronic cards.
Then, can with reference to Fig. 5, fix the described connecting portion 22 of described the first terminal 2 in described holddown groove 121 with hot melting way.
At last, see also Fig. 6, with each described the second terminal 3 correspondence described insulating body 1 of packing into, so that the described kink 31 of described the second terminal 3 is positioned at corresponding described groove 1322, described kink 31 flexibly supports described groove 1322 sidewalls, thereby described the second terminal 3 can be fixed in the described groove 1322 securely.Again with the position between described abutting part 33 and the described kink 31 towards described slot 13 direction bendings, and form an elastic portion 34, described elastic portion 34 is positioned at described separate slot 1321, and described abutting part 33 parts enter in the described slot 13.
What need to specify is, used described tool when described the first terminal 2 successively bendings are formed described connecting portion 22, described weld part 23 and described contact site 24 can be to operate with same tool, also can be respectively different tools.
Step 5: a pair of described earclip 4 is provided.
Can be with reference to Fig. 1, described a pair of earclip 4 is packed in the corresponding described mounting groove 14.Described earclip 4 is used for holding and withdrawing from described electronic cards.
See also Fig. 1, when described electronic cards is inserted the described electric connector of making, if the insertion angle of described electronic cards is not right, meeting is so that the frictional force increase between described electronic cards and the described the first terminal 2, cause the insertion force of described electronic cards to increase, because the wide cut of described the first terminal 2 is identical with the wide cut of described groove 1311, so that described the first terminal 2 can be well secured in the described groove 1311, avoid described the first terminal 2 to be subjected to displacement (be described the first terminal 2 to bottom offset or draw back), thereby guarantee stable contact the between described electronic cards and the described the first terminal 2, and then guarantee the normal electric connection between described electric connector and the described electronic cards.
Structure described above, be equally applicable to the perpendicular electric connector of inserting formula, this electric connector can adopt described first madial wall 131 of described slot 13 both sides and described the second madial wall 132 to be equipped with described opening 1312, and adopts the molding mode of the described contact site 24 of described the first terminal 2.
In sum, the manufacture method of electric connector of the present invention has following beneficial effect:
Since described terminal with the drawing mode moulding, and the wide cut of described terminal is identical with the wide cut of described groove, so described terminal need not to establish the tooth point, thereby has saved material.
If the insertion angle of 2 described electronic cards is not right, meeting is so that the frictional force increase between described electronic cards and the described the first terminal, cause the insertion force of described electronic cards to increase, because the wide cut of described the first terminal is identical with the wide cut of described groove, so that described the first terminal can be well secured in the described groove, avoid described the first terminal to be subjected to displacement (be described the first terminal to bottom offset or draw back), thereby guarantee stable contact the between described electronic cards and the described terminal, and then guarantee the normal electric connection between described electric connector and the described electronic cards.
3. because packing into, described contact site just unifies bending and molding behind the described insulating body, can guarantee that described contact site is in order to the consistency of the contact point that contacts described electronic cards, thereby guarantee the accuracy of described electronic cards and described termination contact position, and then guaranteed the normal electric connection of described electric connector and described electronic cards.
4. because described the first madial wall is provided with described opening, described opening just is positioned at the described the first terminal top of described slot, thereby the described the first terminal of more convenient moulding has solved the difficulty that can't reinstall described groove because described groove wide cut is too little after the first bending of described the first terminal forms described contact site.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment limits patent claim of the present invention, the equal variation of finishing under all disclosed technical spirits or modify change all should belong to claim that the present invention is contained.
Claims (13)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010621223 CN102157879B (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010621223 CN102157879B (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102157879A CN102157879A (en) | 2011-08-17 |
| CN102157879B true CN102157879B (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010621223 Expired - Fee Related CN102157879B (en) | 2010-12-31 | 2010-12-31 | Manufacturing method of electrical connector |
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| Country | Link |
|---|---|
| CN (1) | CN102157879B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192069A (en) * | 1996-12-20 | 1998-09-02 | 莫列斯公司 | Insert molding process for producing electrical connector |
| US6155886A (en) * | 1999-06-24 | 2000-12-05 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector and method for making the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2932152B2 (en) * | 1994-07-19 | 1999-08-09 | モレックス インコーポレーテッド | Terminal for electrical connector and method of forming electrical connector |
-
2010
- 2010-12-31 CN CN 201010621223 patent/CN102157879B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192069A (en) * | 1996-12-20 | 1998-09-02 | 莫列斯公司 | Insert molding process for producing electrical connector |
| US6155886A (en) * | 1999-06-24 | 2000-12-05 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector and method for making the same |
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| Publication number | Publication date |
|---|---|
| CN102157879A (en) | 2011-08-17 |
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