CN220382343U - Connector terminal and DP connector female seat for improving soldering tin yield - Google Patents
Connector terminal and DP connector female seat for improving soldering tin yield Download PDFInfo
- Publication number
- CN220382343U CN220382343U CN202321675457.3U CN202321675457U CN220382343U CN 220382343 U CN220382343 U CN 220382343U CN 202321675457 U CN202321675457 U CN 202321675457U CN 220382343 U CN220382343 U CN 220382343U
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- terminals
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- welding
- connector
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- 238000005476 soldering Methods 0.000 title claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 47
- 229910000679 solder Inorganic materials 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a connector terminal for improving the solder yield and a DP connector female seat, wherein the connector terminal comprises an upper row of terminals and a lower row of terminals, the upper row of terminals and the lower row of terminals comprise a plurality of contact terminals which are arranged side by side left and right, and the contact terminals comprise a contact part, a fixing part and a welding part which are sequentially connected from front to back; the rear section of the fixing part of the upper row of terminals extends downwards to a first folding point position and is provided with a first extending part in a backward extending mode; the rear section of the fixing part of the lower row of terminals extends downwards to a second folding point position and extends backwards to form a second extending part; the first folding point position is positioned behind the second folding point position; the first bending part is connected between the first extending part and the welding part of the upper-row terminal, and the second bending part is connected between the second extending part and the welding part of the lower-row terminal. Thus, the problem of poor soldering tin caused by unstable punching size is effectively solved.
Description
Technical Field
The utility model relates to the connector field technology, in particular to a connector terminal and a DP connector female seat for improving the solder yield.
Background
Taking a DP connector female seat as an example, the DP connector female seat comprises a shell, an insulating body, an upper row of terminals and a lower row of terminals; the welding parts of the upper row of terminals and the lower row of terminals are generally arranged in a plurality of rows, namely: one row of terminals adopts a patch type welding part, and the other row of terminals are arranged into two rows of pin type welding parts with front-back spacing, so that three rows of welding parts are formed, and when the three rows of welding parts are installed and applied, the required area of a welding area on a corresponding PCB board is large, and the welding process is troublesome.
Some of the welding parts are arranged in a row, the fixing parts of the terminals are required to be arranged in a row, the distance between the transmission path sections of the adjacent differential pair terminals is too short, the crosstalk can be influenced due to the coupling effect, and if the welding parts are arranged in a plurality of rows, the distance between the fixing parts of the adjacent terminals is increased. CN 218632548U discloses a DP connector, the other ends of two layers of first terminal structures which are vertically and parallelly distributed are fixedly connected through a first material belt, and the first terminal structure arranged above is horizontally extended outwards from the joint of the first material belt, and then is bent to horizontally extend outwards after being vertically extended upwards; the first terminal structure arranged below extends outwards and horizontally from the first material belt connecting part, and then forms a plurality of step-shaped extensions and bends to extend outwards and horizontally; the vertical extension part of the first terminal structure arranged above and the multiple ladder-shaped extension parts of the first terminal structure arranged below are all covered by a plastic connecting plate; the edge of the first material belt is also provided with a vertical upward supporting terminal.
However, because the bending points of the welding pins are staggered from front to back, the welding pins of the two-layer terminals are not long, and the coplanarity of the welding pins of the two-layer terminals cannot be ensured due to the fact that the stamping size is unstable easily when the terminals are produced by actual stamping, so that the problem of poor soldering tin of the welding pins is caused, and the welding yield is negatively influenced.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present utility model aims at solving the drawbacks of the prior art, and it is a primary object of the present utility model to provide a connector terminal and a DP connector socket for improving solder yield, which effectively solve the problem of poor solder due to unstable stamping dimensions.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the connector terminal for improving the soldering tin yield comprises an upper row of terminals and a lower row of terminals, wherein the upper row of terminals and the lower row of terminals comprise a plurality of contact terminals which are arranged side by side left and right, and each contact terminal comprises a contact part, a fixing part and a welding part which are sequentially connected from front to back;
the rear section of the fixing part of the upper row of terminals extends downwards to a first folding point position and is provided with a first extending part in a backward extending mode; the rear section of the fixing part of the lower row of terminals extends downwards to a second folding point position and extends backwards to form a second extending part; the first folding point position is positioned behind the second folding point position; the first bending part is connected between the first extending part and the welding part of the upper-row terminal, and the second bending part is connected between the second extending part and the welding part of the lower-row terminal.
In one preferred embodiment, the first bending portion and the second bending portion have at least one injection-molded positioning surface arranged in a coplanar manner.
As a preferable mode, the first bending portion and the second bending portion are arranged in left-right alignment.
As a preferable mode, the bottom surfaces of the welding parts of the upper row of terminals and the welding parts of the lower row of terminals are lower than the bottom surfaces of the first extending part and the second extending part. As a preferable mode, the top surfaces of the welding parts of the upper row of terminals and the welding parts of the lower row of terminals are lower than the top surfaces of the first extending part and the second extending part.
Preferably, the rear end of the first extension portion is disposed in left-right alignment with the rear end of the second extension portion.
As a preferable mode, the welding part of the upper row of terminals and the bottom surface of the welding part of the lower row of terminals are arranged in a flush manner.
The DP connector female seat comprises a shell, an insulating body and a DP connector terminal arranged in the insulating body, wherein the DP connector terminal is any one of the connector terminals for improving the solder yield.
Preferably, the first bending portion and the second bending portion are sealed and positioned by plastic when the insulating body is molded.
As a preferable scheme, the upper surfaces of the first extension part, the second extension part, the first bending part and the second bending part are sealed and positioned by plastic when the insulating body is molded;
and the bottoms of the first extension part and the second extension part are exposed at the bottom of the insulating body.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme mainly comprises the steps of creatively designing the terminal structure of the connector, particularly arranging the rear sections of the fixing parts of the upper and lower rows of terminals into two rows, correspondingly extending the rear sections backwards to form a first extending part and a second extending part, connecting a first bending part between the first extending part and the welding part of the upper row of terminals, and connecting a second bending part between the second extending part and the welding part of the lower row of terminals, so that the problem of poor soldering tin caused by unstable stamping size is effectively solved by the arrangement of the bending parts. When injection molding, the first bending part and the second bending part of the connector terminal are sealed and positioned by plastic when the insulating body is molded, so that the coplanarity of the welding part is controlled, and the welding yield is improved.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a perspective view of a connector terminal for improving solder yield according to an embodiment of the present utility model;
FIG. 2 is a side view of a connector terminal for improving solder yield according to an embodiment of the present utility model;
FIG. 3 is a partial perspective view of a connector terminal (with a tape shown) for improving solder yield according to an embodiment of the present utility model;
fig. 4 is a diagram showing a state after molding and bonding of a connector terminal and an insulation body (also showing a tape) for improving solder yield according to an embodiment of the present utility model;
FIG. 5 is a perspective view of a DP connector female socket provided in accordance with an embodiment of the present utility model;
FIG. 6 is an exploded view of a DP connector female socket provided in accordance with an embodiment of the present utility model;
fig. 7 is a cross-sectional view of a DP connector female socket (mainly showing a combined state of a lower row terminal and an insulating body, not shown in a housing) provided in an embodiment of the present utility model;
fig. 8 is a cross-sectional view of a DP connector female socket (mainly showing a combination state of upper row terminals and an insulating body, not shown in the housing) according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing: the housing 10, the insulating body 20, the primary injection molded member 21, the secondary injection molded member 22, the connector terminal 30, the upper row terminal 31, the lower row terminal 32, the contact portion 301, the fixing portion 302, the welding portion 303, the first folding point position 304, the first extending portion 305, the second folding point position 306, the second extending portion 307, the first folding portion 308, the second folding portion 309, and the bottom cover 40.
Detailed Description
Referring to fig. 1 to 8, specific structures of embodiments of the present utility model are shown.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
A connector terminal for improving the solder yield is mainly but not limited to a terminal of a DP connector female socket, and comprises an upper row of terminals 31 and a lower row of terminals 32, wherein the upper row of terminals 31 and the lower row of terminals 32 comprise a plurality of contact terminals which are arranged side by side.
The contact terminal includes a contact portion 301, a fixing portion 302, and a soldering portion 303, which are connected in this order from front to back. The rear section of the fixing portion 302 of the upper row of terminals 31 extends downward to a first folding point 304, and extends rearward with a first extending portion 305; the rear section of the fixing portion 302 of the lower row of terminals 32 extends downward to a second folding point 306, and extends rearward with a second extending portion 307; the first folding point position 304 is located behind the second folding point position 306; a first bending portion 308 is connected between the first extending portion 305 and the welding portion 303 of the upper row of terminals 31, and a second bending portion 309 is connected between the second extending portion 307 and the welding portion 303 of the lower row of terminals 32. The first bending portion 308 and the second bending portion 309 have at least one injection molding positioning surface disposed in a coplanar manner. Generally, the first bending portion 308 and the second bending portion 309 are aligned left and right, so that the bending operation is completed at one time, the bending positions are consistent, and the uniformity of bending dimensions, particularly bending heights, can be better controlled, so that the welding portions 303 are all located at the same height, the coplanarity of the welding surfaces of the welding portions 303 is better, the welding portions 303 of the upper row of terminals 31 and the bottom surfaces of the welding portions 303 of the lower row of terminals 32 can be accurately arranged in a flush manner, and the problem of poor soldering tin of the welding portions 303 is better solved.
The bottom surfaces (typically, the bonding surfaces of the patches) of the bonding portions 303 of the upper-row terminals 31 and the bonding portions 303 of the lower-row terminals 32 are lower than the bottom surfaces of the first extending portions 305 and the second extending portions 307. The top surfaces of the welded portions 303 of the upper row of terminals 31 and the welded portions 303 of the lower row of terminals 32 are lower than the top surfaces of the first extending portions 305 and the second extending portions 307. The rear end of the first extension portion 305 is aligned with the rear end of the second extension portion 307, and the front-rear length of the first extension portion 305 is smaller than the front-rear length of the second extension portion 307.
Next, a DP connector female socket is provided, which includes a housing 10, an insulating body, and a DP connector terminal disposed in the insulating body, where the DP connector terminal is a connector terminal for improving solder yield as described above. The first bending portion 308 and the second bending portion 309 are sealed and positioned by plastic during the molding of the insulating body. Further, the upper surfaces of the first extension portion 305, the second extension portion 307, the first bending portion 308 and the second bending portion 309 are sealed and positioned by plastic when the insulating body is molded; and the bottoms of the first extension part 305 and the second extension part 307 are exposed at the bottom of the insulating body.
The shell 10 is a metal shell and also a shielding shell, the shell 10 is wrapped outside the insulating body, and the shell 10 and the insulating body are fastened and riveted. Positioning pins extend downwards on the left side and the right side of the shell 10. The insulator comprises a primary injection molding piece and a secondary injection molding piece, the DP connector terminal is fixed in the primary injection molding piece through primary injection molding, the material belt at the head end of the DP connector terminal is removed, then secondary injection molding is carried out, and the secondary injection molding piece wraps the head end of the DP connector terminal and is combined and fixed with the primary injection molding piece. And, a bottom cover is assembled to the bottom of the insulating body 20.
The main design point of the present utility model is that the innovative design is mainly performed on the structure of the connector terminal, specifically, the rear sections of the fixing portions 302 of the upper and lower rows of terminals are arranged in two rows, and the first extending portion 305 and the second extending portion 307 correspondingly extend backward, the first bending portion 308 is connected between the first extending portion 305 and the welding portion 303 of the upper row of terminals 31, and the second bending portion 309 is connected between the second extending portion 307 and the welding portion 303 of the lower row of terminals 32, so that the problem of poor soldering tin caused by unstable punching size is effectively solved by the arrangement of the bending portions. During injection molding, the first bending portion 308 and the second bending portion 309 of the connector terminal are sealed and positioned by plastic during molding of the insulating body, so that the coplanarity of the welding portion 303 is controlled, and the welding yield is improved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (10)
1. The utility model provides a improve connector terminal of soldering tin yield, includes row's terminal and lower terminal, row's terminal on with lower terminal all includes a plurality of contact terminal of arranging side by side about, contact terminal is including from the contact portion, fixed part and the welding portion that connect gradually backward, its characterized in that:
the rear section of the fixing part of the upper row of terminals extends downwards to a first folding point position and is provided with a first extending part in a backward extending mode; the rear section of the fixing part of the lower row of terminals extends downwards to a second folding point position and extends backwards to form a second extending part; the first folding point position is positioned behind the second folding point position; the first bending part is connected between the first extending part and the welding part of the upper-row terminal, and the second bending part is connected between the second extending part and the welding part of the lower-row terminal.
2. The connector terminal for improving solder yield of claim 1, wherein: the first bending part and the second bending part are at least provided with an injection molding locating surface which is arranged in a coplanar mode.
3. The connector terminal for improving solder yield of claim 1, wherein: the first bending part and the second bending part are arranged in left-right alignment.
4. The connector terminal for improving solder yield of claim 1, wherein: the bottom surfaces of the welding parts of the upper row of terminals and the welding parts of the lower row of terminals are lower than the bottom surfaces of the first extending part and the second extending part.
5. The connector terminal for improving solder yield of claim 1, wherein: the top surfaces of the welding parts of the upper row of terminals and the welding parts of the lower row of terminals are lower than the top surfaces of the first extending part and the second extending part.
6. The connector terminal for improving solder yield of claim 1, wherein: the rear end of the first extension part is arranged in left-right alignment with the rear end of the second extension part.
7. The connector terminal for improving solder yield of claim 1, wherein: the welding part of the upper row of terminals and the bottom surface of the welding part of the lower row of terminals are arranged in a flush mode.
8. The utility model provides a DP connector female seat, including shell, insulator and set up in the DP connector terminal in the insulator, its characterized in that: the DP connector terminal is a connector terminal for improving solder yield according to any one of claims 1 to 7.
9. The DP connector female socket of claim 8, wherein: the first bending part and the second bending part are sealed and positioned by plastic when the insulating body is molded.
10. The DP connector female socket according to claim 8 or 9, characterized in that: the upper surfaces of the first extending part, the second extending part, the first bending part and the second bending part are sealed and positioned by plastic when the insulating body is molded;
and the bottoms of the first extension part and the second extension part are exposed at the bottom of the insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321675457.3U CN220382343U (en) | 2023-06-28 | 2023-06-28 | Connector terminal and DP connector female seat for improving soldering tin yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321675457.3U CN220382343U (en) | 2023-06-28 | 2023-06-28 | Connector terminal and DP connector female seat for improving soldering tin yield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382343U true CN220382343U (en) | 2024-01-23 |
Family
ID=89561871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321675457.3U Active CN220382343U (en) | 2023-06-28 | 2023-06-28 | Connector terminal and DP connector female seat for improving soldering tin yield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382343U (en) |
-
2023
- 2023-06-28 CN CN202321675457.3U patent/CN220382343U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000, No. 138 Gangjian Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Lianji Precision Electronics Co.,Ltd. Country or region after: China Address before: 523000 room 212, building 3, No. 42, Muxuan Chuangye 1st Road, Changping Town, Dongguan City, Guangdong Province Patentee before: Guangdong Lianji Precision Industry Co.,Ltd. Country or region before: China |