CN203398373U - Board-to-board connector terminal of doubly corrugated structure - Google Patents
Board-to-board connector terminal of doubly corrugated structure Download PDFInfo
- Publication number
- CN203398373U CN203398373U CN201320464927.1U CN201320464927U CN203398373U CN 203398373 U CN203398373 U CN 203398373U CN 201320464927 U CN201320464927 U CN 201320464927U CN 203398373 U CN203398373 U CN 203398373U
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- board
- terminal
- nickel dam
- dam portion
- board connector
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Abstract
The utility model relates to the technical field of board-to-board connector components and particularly relates to a board-to-board connector terminal of a doubly corrugated structure, which comprises a first terminal and a second terminal matched with the first terminal. The first terminal is provided with a mounting part and an elastic part so as to be formed of a doubly corrugated structure. Therefore, the spring characteristics of a contact part can be ensured. As a result, the holding force between the second terminal and the first terminal is effectively increased. Meanwhile, the anti-falling resistance and the distortion resistance performance are improved.
Description
Technical field
The utility model relates to the component technology field of board to board connector, is specifically related to a kind of board to board connector terminal with dual damascene structure.
Background technology
Board to board connector is a kind of connector directly applying between pcb board, board to board connector is the strongest connector product of transmittability in current all connector product types, is mainly used in the industries such as electric power system, communication network, financial manufacture, elevator, industrial automation, Medical Devices, office equipment, household electrical appliances, military project manufacture; The structure of board to board connector mainly includes pedestal and the insulating body interlocking up and down, and the metal terminal that is embedded in pedestal and insulating body inside; The metal terminal of existing board to board connector is unreasonable because of electrical structure design, easily from pedestal or insulating body, comes off out, causes the damage of board to board connector; In addition, the metal terminal of existing board to board connector is because the defect of structure, at board to board connector, run into shock, easily cause fall in the situation that the connection of terminal and pedestal or insulating body loosening, thereby cause to come off and damage, also easily fall or other External Force Actings under there is the generation of the loose contact phenomenon of metal terminal and metal terminal.
Utility model content
The purpose of this utility model is to overcome above-described shortcoming, provides that metal terminal contacts firmly with each other, terminal is difficult for the board to board connector terminal coming off from insulating body or pedestal.
For achieving the above object, concrete scheme of the present utility model is as follows: a kind of board to board connector terminal with dual damascene structure, the second terminal that includes the first terminal and coordinate with it, the first terminal comprises horizontally disposed connecting portion, by connecting portion one end, bends obliquely extended butting section and the connecting portion other end upwards bends the extended inverted U-shaped installation portion that is, installation portion extends the first nickel dam portion downwards, the first nickel dam portion outward extends the first weld part, and free end bending downwards in butting section is extended an inverted U-shaped elastic portion; The second terminal comprise U-shaped button interpolating unit, be connected in the second nickel dam portion of button interpolating unit one end and be connected in the contact site of the button interpolating unit other end, one end bending that the second nickel dam portion is away from button interpolating unit is extended the second weld part.
Wherein, the both sides of described the second nickel dam portion and the second weld part junction are outwardly respectively a convex clip, and described convex clip and the second nickel dam portion form the first draw-in groove.
Wherein, the end face that the second nickel dam portion is away from contact site is protruding with the projection of a wedge shape
Wherein, described button interpolating unit and contact site junction are for being obliquely installed obliquely, and described button interpolating unit and contact site junction are provided with support platform.
Wherein, longitudinal width of the first nickel dam portion is greater than respectively longitudinal width of installation portion and longitudinal width of the first weld part; The first nickel dam portion and described the first weld part form screens.
Wherein, the nickel layer thickness of described the first nickel dam portion and the second nickel dam portion is 0.15 μ m-0.5 μ m.
Wherein, the free end of contact site has extended upward T shape Ka Tai, and the junction of T shape Ka Tai and contact site is provided with the second draw-in groove.
The beneficial effects of the utility model are: the first terminal is because of the structure of installation portion and elastic portion formation dual damascene, make contact portion have sufficient spring performance, can effectively increase the confining force between the second terminal and the first terminal, increase the performance of fall-shock durable and warp resistance.
Accompanying drawing explanation
Fig. 1 is the stereogram of the first terminal;
Fig. 2 is the stereogram of the second terminal
Fig. 3 is the stereogram at another visual angle of the second terminal
Fig. 4 is the first terminal and the second terminal front view while matching;
Description of reference numerals in Fig. 1 to Fig. 4:
1-the first terminal; 11-connecting portion; 11a-increases solid portion; 11b-the first salient point; 12-installation portion; 12a-the second salient point; 13-the first weld part; 13a-the first nickel dam portion; 13b-screens; 14-butting section; 14a-elastic portion;
2-the second terminal; 21-detains interpolating unit; 21a-supports platform; 22-contact site; 22a-projection; 23-the second nickel dam portion; 23a-the 3rd salient point; 23b-projection; 24-the second weld part; 24a-convex clip; 24b-the first draw-in groove; 25-T shape Ka Tai; 25a-the second draw-in groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model being described in further detail, is not that practical range of the present utility model is confined to this, and it is reference direction that the utility model be take the direction of Fig. 4.
As shown in figure to 1 Fig. 4, the board to board connector terminal with dual damascene structure described in the present embodiment, the second terminal 2 that includes the first terminal 1 and coordinate with it, the first terminal 1 comprises horizontally disposed connecting portion 11, by connecting portion 11 one end, bends obliquely extended butting section 14 and connecting portion 11 other ends upwards bend the extended inverted U-shaped installation portion 12 that is, installation portion 12 extends the first 13a of nickel dam portion downwards, and the first 13a of nickel dam portion outward extends the first weld part 13; The first 13a of nickel dam portion is set, can effectively improves the bad phenomenon such as the tin of lying prone and produce in the welding process of board to board connector, thereby the performance of improving product, reduce and produce manpower and the Material Cost of doing over again and increasing because of defect.
Further, longitudinal width of described the first 13a of nickel dam portion is greater than respectively longitudinal width of installation portion 12 and longitudinal width of the first weld part 13; Large-area the first 13a of nickel dam portion can increase the effect of the tin that prevents from lying prone.
Further, 14 free ends bending downwards in butting section is extended an inverted U-shaped elastic portion 14a, the first terminal 1 is because of the structure of installation portion 12 and elastic portion 14a formation dual damascene, make contact portion have sufficient spring performance, can effectively increase the confining force between the second terminal 2 and the first terminal 1, increase the performance of fall-shock durable and warp resistance.
Further, the first 13a of nickel dam portion and described the first weld part 13 form screens 13b; This is designed with and is beneficial to the stable connection increasing between the first terminal 1 and board to board connector pedestal, thereby increases the resistance to property fallen of board to board connector.
Further, the second terminal 2 comprises that the button interpolating unit 21 of U-shaped, contact site 22, the second nickel dam portions 23 that are connected in the second nickel dam portion 23 of button interpolating unit 21 one end and are connected in button interpolating unit 21 other ends are away from the bending of button interpolating unit 21 one end and extend and have the second weld part 24; The both sides of described the second nickel dam portion 23 and the second weld part 24 junctions are outwardly respectively a convex clip 24a, and described convex clip 24a and the second nickel dam portion 23 form the first draw-in groove 24b; The first draw-in groove 24b is used for strengthening steadiness between the second terminal 2 and insulating body.
Further, described connecting portion 11 and described installation portion 12 junction are also provided with and increase the solid 11a of portion, increase the solid 11a of portion and installation portion 12 junctions for being obliquely installed obliquely, increase the solid 11a of portion and installation portion 12 junctions and are provided with the second salient point 12a; The second salient point 12a is plugged on the first terminal 1 when interior and the second terminal 1 is conflicted at the second terminal 2; Contact site 22 is protruding with two parallel projection 22a away from the end face vertical of the second nickel dam portion 23; Two projection 22a are plugged on the first terminal 1 when interior and the first terminal 1 is conflicted at the second terminal 2, two projection 22a and the second salient point 12a form three unique contact structures designs, increase the contact force of unit are, compared with design in the past, improved the effect of removing scaling powder and foreign matter; In addition, also can prevent sandwiching of foreign matter, greatly improve the reliability of contact.
Further, the end face that the second nickel dam portion 23 is away from contact site 22 is protruding with the projection 23b of a wedge shape; When the second terminal 2 is extracted the first terminal 1, play the effect of simple and easy locking, thereby prevent the undesired separated of the first terminal 1 and the second terminal 2, strengthened contact reliability.
Further, described connecting portion 11 and described installation portion 12 junction are also provided with and increase the solid 11a of portion, and the solid Bu11a of described increasing both sides are protruding with respectively the first salient point 11b of circular arc; The first salient point 11b can increase the confining force of the first terminal 1 in board to board connector pedestal.
Further, described button interpolating unit 21 is with contact site 22 junctions for being obliquely installed obliquely, and described button interpolating unit 21 is provided with support platform 21a with contact site 22 junctions; As described in Figure 4, support platform 21a can strengthen confining force between the two when the first terminal 1 coordinates with the second terminal 2, prevents that the second terminal 2 from coming off from the first terminal 1, strengthens the reliability of product.
Further, described the second nickel dam Bu23 lower end is protruding with respectively the 3rd salient point 23a to both sides; The free end of contact site 22 has extended upward T shape card platform 25, forms the second draw-in groove 25a between T shape card platform 25 and contact site 22; The second draw-in groove 25a is arranged in insulating body, has increased greatly the confining force of the second terminal 2 with insulating body.
Further, the nickel layer thickness of described the first 13a of nickel dam portion and the second nickel dam portion 23 is 0.15 μ m-0.5 μ m, experiment draws, nickel dam can effectively improve the bad phenomenon such as the tin of lying prone in the welding process of board to board connector and produce, thereby the performance of improving product, reduces and produce manpower and the Material Cost of doing over again and increasing because of defect.
Further, above-mentioned the first terminal 1 and the second terminal 2 are made by copper core, are coated with nickel dam, afterwards at copper surface, except the equal plated with gold layer again of the part of the first 13a of nickel dam portion and the second nickel dam portion 23, thereby the part of the first 13a of nickel dam portion and the second nickel dam portion 23 exposes nickel dam.
The above is only a preferred embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the protection range of the utility model patent application.
Claims (7)
1. a board to board connector terminal with dual damascene structure, the second terminal (2) that includes the first terminal (1) and coordinate with it, it is characterized in that: the first terminal (1) comprises horizontally disposed connecting portion (11), by connecting portion (11) one end, bend obliquely extended butting section (14) and connecting portion (11) other end upwards bends the extended inverted U-shaped installation portion (12) that is, installation portion (12) extends the first nickel dam portion (13a) downwards, the first nickel dam portion (13a) outward extends the first weld part (13), free end bending downwards in butting section (14) is extended an inverted U-shaped elastic portion (14a), the second terminal (2) comprise U-shaped button interpolating unit (21), be connected in the second nickel dam portion (23) of button interpolating unit (21) one end and be connected in the contact site (22) of button interpolating unit (21) other end, one end bending that the second nickel dam portion (23) is away from button interpolating unit (21) is extended the second weld part (24).
2. a kind of board to board connector terminal with dual damascene structure according to claim 1, it is characterized in that: the both sides of described the second nickel dam portion (23) and the second weld part (24) junction are outwardly respectively a convex clip (24a), and described convex clip (24a) forms the first draw-in groove (24b) with the second nickel dam portion (23).
3. a kind of board to board connector terminal with dual damascene structure according to claim 1, is characterized in that: the end face that the second nickel dam portion (23) is away from contact site (22) is protruding with the projection (23b) of a wedge shape.
4. a kind of board to board connector terminal with dual damascene structure according to claim 1, it is characterized in that: described button interpolating unit (21) is with contact site (22) junction for being obliquely installed obliquely, and described button interpolating unit (21) is provided with support platform (21a) with contact site (22) junction.
5. a kind of board to board connector terminal with dual damascene structure according to claim 1, is characterized in that: longitudinal width of the first nickel dam portion (13a) is greater than respectively longitudinal width of installation portion (12) and longitudinal width of the first weld part (13); The first nickel dam portion (13a) forms screens (13b) with described the first weld part (13).
6. a kind of board to board connector terminal with dual damascene structure according to claim 1, is characterized in that: the nickel layer thickness of described the first nickel dam portion (13a) and the second nickel dam portion (23) is 0.15 μ m-0.5 μ m.
7. a kind of board to board connector terminal with dual damascene structure according to claim 1, it is characterized in that: the free end of contact site (22) has extended upward T shape Ka Tai (25), T shape Ka Tai (25) is provided with the second draw-in groove (25a) with the junction of contact site (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464927.1U CN203398373U (en) | 2013-08-01 | 2013-08-01 | Board-to-board connector terminal of doubly corrugated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464927.1U CN203398373U (en) | 2013-08-01 | 2013-08-01 | Board-to-board connector terminal of doubly corrugated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398373U true CN203398373U (en) | 2014-01-15 |
Family
ID=49909875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464927.1U Expired - Fee Related CN203398373U (en) | 2013-08-01 | 2013-08-01 | Board-to-board connector terminal of doubly corrugated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203398373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600461A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Female contact terminal, terminal combination and fastening type electric connector |
-
2013
- 2013-08-01 CN CN201320464927.1U patent/CN203398373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600461A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Female contact terminal, terminal combination and fastening type electric connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140801 |
|
| EXPY | Termination of patent right or utility model |