CN203398374U - Anti-tin-lying and anti-falling board-to-board connector terminal - Google Patents
Anti-tin-lying and anti-falling board-to-board connector terminal Download PDFInfo
- Publication number
- CN203398374U CN203398374U CN201320464928.6U CN201320464928U CN203398374U CN 203398374 U CN203398374 U CN 203398374U CN 201320464928 U CN201320464928 U CN 201320464928U CN 203398374 U CN203398374 U CN 203398374U
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- Prior art keywords
- board
- terminal
- nickel dam
- tin
- dam portion
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Abstract
The utility model relates to an anti-tin-lying and anti-falling board-to-board connector terminal, which comprises a first terminal and a second terminal matched with the first terminal. The first terminal is composed of a first nickel layer part and a first welding part formed through the extension of the first nickel layer part. The second terminal is composed of a second nickel layer part and a second welding part formed through the extension of the second nickel layer part. Due to the adoption of the first nickel layer part and the second nickel layer part, the occurrence of poor phenomena during the welding process of the board-to-board connector, such as the tin-lying phenomenon and the like, can be effectively relieved, so that the performances of products are improved. The extra labor and material cost caused by the rework for the defected production can be lowered. The second terminal is provided with two convex posts. The first terminal is provided with a second bump. The two convex posts and the second bump together form a three-contact unique structure of the board-to-board connector terminal to increase the contact force per unit area. Therefore, compared with the prior art, the removing effect of the soldering flux and foreign matters is improved. In addition, the sandwiching phenomenon of foreign matters is avoided, so that the contact reliability is greatly 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 anti-resistance to board to board connector terminal falling of tin of lying prone.
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 weld part of existing board to board connector is directly extended out by metal terminal body conventionally, thereby the bad phenomenon such as tin that easily occur lying prone in welding produce; 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, the board to board connector terminal of the difficult tin phenomenon of lying prone of weld part while providing metal terminal to contact with each other firmly, weld.
For achieving the above object, concrete scheme of the present utility model is as follows: the anti-resistance to board to board connector terminal falling of tin of lying prone, the second terminal that includes the first terminal and match with the first terminal, 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, and the first nickel dam portion outward extends the first weld part; The second terminal comprise U-shaped button interpolating unit, be connected in the second nickel dam portion of button interpolating unit one end and the contact site that is connected in 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; Described contact site is protruding with two parallel projections away from the end face vertical of the second nickel dam portion; The junction of described connecting portion and described installation portion is also provided with and increases solid portion, increases solid portion and installation portion junction for being obliquely installed obliquely, increases solid portion and installation portion junction and is provided with the second salient point.
Wherein, the nickel plating 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 transverse width of the transverse width of described the first nickel dam portion and the second nickel dam portion is at least 0.3mm.
Wherein, described Zeng Gubu both sides are protruding with respectively the first salient point.
Wherein, longitudinal width of described the first nickel dam portion is greater than respectively longitudinal width of installation portion and longitudinal width of the first 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, free end bending downwards in butting section is extended an inverted U-shaped elastic portion.
Wherein, described the second nickel dam Bu lower end is protruding with respectively the 3rd salient point to both sides.
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 includes the first nickel dam portion and by the first extended the first weld part of nickel dam portion; The second terminal includes the second nickel dam portion and by the second extended the second weld part of nickel dam portion; The first nickel dam portion and the second nickel dam portion 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, reduce and produce manpower and the Material Cost of doing over again and increasing because of defect; Contact site is protruding with two parallel projections away from the end face vertical of the second nickel dam portion; When the second terminal is plugged in the first terminal, two projections can be conflicted with the first terminal; Increasing solid portion is inclination obliquely with installation portion junction, and forms the second salient point, and the second salient point is when the second terminal is plugged in the first terminal and the conflict of the second terminal; Two projections, the second salient points form three unique contact structure designs, have increased the contact force of unit are, compare with design in the past, have 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.
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; 14-butting section; 14a-elastic portion;
2-the second terminal; 21-detains interpolating unit; 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.
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 the utility model is usingd Fig. 4 direction as with reference to direction.
As shown in Figures 1 to 4, the board to board connector terminal with nickel plating structure described in the present embodiment, the second terminal 2 that includes the first terminal 1 and match with the first terminal 1, the first terminal 1 includes the first 13a of nickel dam portion and by extended the first weld part 13 of the first 13a of nickel dam portion; The second terminal 2 includes the second nickel dam portion 23 and by extended the second weld part 24 of the second nickel dam portion 23; The first terminal 1 and the second terminal 2 are fastened, and realize electric connection; The nickel plating 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; Described the first transverse width of the 13a of nickel dam portion and the transverse width of the second nickel dam portion 23 are at least 0.3mm; The first 13a of nickel dam portion and the second nickel dam portion 23 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, reduce and produce manpower and the Material Cost of doing over again and increasing because of defect.
Further, described the first terminal 1 also 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, and installation portion 12 one end is connected with the first 13a of nickel dam portion; The second terminal 2 also comprise U-shaped button interpolating unit 21, be connected in the contact site 22 of button interpolating unit 21 one end, button interpolating unit 21 other ends connect described the second nickel dam portion 23; 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.
Further, longitudinal width that described the first 13a of nickel dam portion is is greater than respectively longitudinal width of installation portion 12 and longitudinal width of the first weld part 13, and 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, because there is sufficient spring performance in the structure ，Shi contact portion of installation portion 12 and elastic portion 14a formation dual damascene, can effectively increase the confining force between the second terminal 2 and the first terminal 1, increases the performance of fall-shock durable and warp resistance.
Further, 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 can increase the fastness between the second terminal 2 and insulating body, and then the second terminal 2 is not easy to come off out from insulating body.
Further, contact site 22 is protruding with two parallel projection 22a away from the end face vertical of the second nickel dam portion 23; At the second terminal 2, be plugged on the first terminal 1 when interior, two projection 22a can conflict with the first terminal 1; Increasing the solid 11a of portion is inclination obliquely with installation portion 12 junctions, and forms the second salient point 12a, and the second salient point 12a is plugged on the first terminal 1 when interior and the second terminal 2 conflicts at the second terminal 2; Two projection 22a, the second salient point 12a form three unique contact structure designs, have increased the contact force of unit are, compare with design in the past, have 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, 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, and the lower end of T shape card Tai25 both sides is provided with the second draw-in groove 25a; The second draw-in groove 25a card can be located at for installing in the insulating body of metal terminal, has increased greatly the confining force of the second terminal 2 with insulating body.
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, 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 (9)
1. prevent lying prone the resistance to board to board connector terminal falling of tin for one kind, the second terminal (2) that includes the first terminal (1) and match with the first terminal (1), it is characterized in that: 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 end upwards bends the extended inverted U-shaped installation portion (12) that is, installation portion (12) extends the first nickel dam portion (13a) downwards, and the first nickel dam portion (13a) outward extends the first weld part (13); 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 the contact site (22) that is connected in 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); Described contact site (22) is protruding with parallel two projections (22a) away from the end face vertical of the second nickel dam portion (23), the junction of described connecting portion (11) and described installation portion (12) is also provided with the solid portion (11a) that increases, increase solid portion (11a) and installation portion (12) junction for being obliquely installed obliquely, increase solid portion (11a) and be provided with the second salient point (12a) with installation portion (12) junction.
2. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: the nickel plating 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.
3. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: the transverse width of the transverse width of described the first nickel dam portion (13a) and the second nickel dam portion (23) is at least 0.3mm.
4. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: the solid portion (11a) of described increasing both sides are protruding with respectively the first salient point (11b).
5. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: longitudinal width of described 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).
6. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone 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).
7. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: free end bending downwards in butting section (14) is extended an inverted U-shaped elastic portion (14a).
8. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone according to claim 1, is characterized in that: the lower end of described the second nickel dam portion (23) is protruding with respectively the 3rd salient point (23a) to both sides.
9. a kind of anti-resistance to board to board connector terminal falling of tin of lying prone 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 |
|---|---|---|---|
| CN201320464928.6U CN203398374U (en) | 2013-08-01 | 2013-08-01 | Anti-tin-lying and anti-falling board-to-board connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464928.6U CN203398374U (en) | 2013-08-01 | 2013-08-01 | Anti-tin-lying and anti-falling board-to-board connector terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398374U true CN203398374U (en) | 2014-01-15 |
Family
ID=49909876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464928.6U Expired - Fee Related CN203398374U (en) | 2013-08-01 | 2013-08-01 | Anti-tin-lying and anti-falling board-to-board connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203398374U (en) |
-
2013
- 2013-08-01 CN CN201320464928.6U patent/CN203398374U/en not_active Expired - Fee Related
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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 |