CN215816545U - Double-pin blanking type terminal and connector - Google Patents
Double-pin blanking type terminal and connector Download PDFInfo
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- CN215816545U CN215816545U CN202122282697.4U CN202122282697U CN215816545U CN 215816545 U CN215816545 U CN 215816545U CN 202122282697 U CN202122282697 U CN 202122282697U CN 215816545 U CN215816545 U CN 215816545U
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Abstract
The utility model discloses a double-pin blanking type terminal and a connector, which comprise a first terminal main body, a first pin, a second pin, a first welding part and a second welding part, wherein the first pin and the second pin are vertically and symmetrically arranged on the left side of the first terminal main body at intervals, the first welding part and the second welding part are vertically and symmetrically arranged on the right side of the first terminal main body at intervals, a first injection part made of plastic material is injected on the first terminal main body, the middle part of the first pin is downwards bent into a first bulge, the middle part of the second pin is upwards bent into a second bulge, the first bulge and the second bulge are vertically and symmetrically arranged, a third bulge is downwards arranged in the middle part of the lower side of the first welding part, a fourth bulge is upwards arranged in the middle part of the upper side of the second welding part, and the third bulge and the fourth bulge are vertically and symmetrically arranged at intervals. The utility model has the advantages of increasing tin absorption, avoiding tin cracking, improving fatigue endurance life, and the like.
Description
Technical Field
The utility model belongs to the technical field of connectors, and particularly relates to a double-pin blanking type terminal and a connector.
Background
When the connector is assembled on the rubber core and used, the traditional blanking type terminal has large stress and is easy to fatigue fracture, and the solder leg of the traditional blanking type terminal has poor tin-soldering property, so that tin cracks between the solder leg of the blanking type terminal and a PCB are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the double-pin blanking type terminal and the connector which can increase tin absorption and avoid tin cracking.
In order to solve the technical problems, the utility model adopts the following technical scheme:
two pin unloading formula terminals, including first terminal main part, first pin, the second pin, first weld part and second weld part, interval symmetry sets up the left side at first terminal main part about first pin and the second pin, interval symmetry sets up the right side at first terminal main part about first weld part and the second weld part, the first portion of moulding plastics that moulds plastics the material in the first terminal main part, first arch is buckled into downwards in the middle part of first pin, the middle part of second pin is upwards buckled into the second arch, first arch sets up with the protruding longitudinal symmetry of second, the downside middle part of first weld part is downwards equipped with the third arch, the upside middle part of second weld part upwards is equipped with the fourth arch, the third is protruding and the protruding longitudinal symmetry setting of interval of fourth.
The vertical section of the third bulge is W-shaped, and the vertical section of the fourth bulge is M-shaped.
The utility model also discloses a connector, which comprises a rubber core, a shell, a clamping hook, a PCB, a plurality of single-pin blanking terminals and a plurality of double-pin blanking terminals, wherein the plurality of single-pin blanking terminals and the plurality of double-pin blanking terminals form a terminal group, the plurality of single-pin blanking terminals comprise a second terminal main body, a third pin, a third welding part and a fourth welding part, the third pin is arranged on the left side of the second terminal main body, the third welding part and the fourth welding part are symmetrically arranged on the right side of the second terminal main body at intervals up and down, a second injection molding part made of plastic is injected on the second terminal main body, the middle part of the third pin is bent upwards to form a fifth bulge, a sixth bulge is downwards arranged in the middle part of the lower side of the third welding part, a seventh bulge is upwards arranged in the middle part of the upper side of the fourth welding part, and the vertical section of the sixth bulge is W-shaped, the seventh raised vertical cross section is M-shaped, the rubber core is assembled in the middle left part in the shell, the terminal group and the hook are installed in the rubber core, the rubber core is internally provided with an installation hole, the right side of the installation hole in the rubber core is provided with a fixed groove, the plurality of double-pin blanking type terminals and the plurality of single-pin blanking type terminals are installed in the installation hole, the first injection molding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals is in interference fit with the fixed groove, the second injection molding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals is in interference fit with the fixed groove, the PCB is installed at the right part in the shell, and the first projection of the first welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals and the second projection of the second welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals, And the third bulge of the third welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals and the fourth bulge of the fourth welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals are welded with the PCB.
The middle part of pothook is equipped with the card-tight part, all be equipped with first spread groove on the first portion of moulding plastics of every bipod blanking formula terminal in the two pin blanking formula terminals of a plurality of, all be equipped with the second spread groove on the second portion of moulding plastics of every single pin blanking formula terminal in the single pin blanking formula terminal of a plurality of, first spread groove and second spread groove all with card-tight part interference fit.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) the first bulge of the first welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals, the second bulge of the second welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals, the third bulge of the third welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals and the fourth bulge of the fourth welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals are welded with the PCB plate, the vertical section of the third bulge is W-shaped, the vertical section of the fourth bulge is M-shaped, the vertical section of the sixth bulge is W-shaped, the vertical section of the seventh bulge is M-shaped, when in welding use, the double-pin blanking type terminal can be welded on the PCB plate through the third bulge and the fourth bulge, the single-pin blanking type terminal can be welded on the PCB plate through the sixth bulge and the seventh bulge, the arrangement of the third bulge, the fourth bulge, the sixth bulge and the seventh bulge increases the tin-eating area of the utility model during welding, improves the welding strength of the utility model, and reduces the risk of tin cracking when the utility model is subjected to external force;
(2) when the dual-pin blanking type terminal is used, the buffering effect can be achieved during plugging, the maximum stress and residual stress of a plurality of single-pin blanking type terminals and a plurality of dual-pin blanking type terminals are reduced, and the fatigue endurance life is prolonged;
(3) according to the utility model, the second injection molding part made of plastic is injected on the second terminal main body, the first injection molding part made of plastic is injected on the first terminal main body, and the first injection molding part and the second injection molding part are respectively in interference fit with the fixing groove of the mounting hole in the rubber core, so that the problem that a gap between the blanking terminal and the rubber core in the prior art is easy to accumulate liquid is solved, and corrosion can be effectively prevented;
in conclusion, the utility model has the advantages of increasing tin absorption, avoiding tin cracking, improving fatigue endurance life and the like.
Drawings
FIG. 1 is a schematic view of a dual-lead blanking terminal of the present invention;
FIG. 2 is a schematic view of the construction of the connector of the present invention;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic structural view of the single-pin blanking terminal of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the dual pin blanking type terminal of the present invention includes a first terminal main body, a vertical cross-section of the first terminal main body is an i-shaped integral structure, a first pin 1, a second pin 2, a first welding portion 3 and a second welding portion 4, the first pin 1 and the second pin 2 are symmetrically disposed on the left side of the first terminal main body at intervals up and down, the first welding portion 3 and the second welding portion 4 are symmetrically disposed on the right side of the first terminal main body at intervals up and down, a first injection molding portion 5 made of plastic material is injection-molded on the first terminal main body, the middle portion of the first pin 1 is bent downward to form a first protrusion 6, the middle portion of the second pin 2 is bent upward to form a second protrusion 7, the first protrusion 6 and the second protrusion 7 are symmetrically disposed up and down, the middle portion of the lower side of the first welding portion 3 is provided with a third protrusion 8 downward, the middle portion of the upper side of the second welding portion 4 is provided with a fourth protrusion 9 upward, the third protrusion 8 and the fourth protrusion 9 are arranged up and down symmetrically at intervals.
The vertical section of the third protrusion 8 is W-shaped, and the vertical section of the fourth protrusion 9 is M-shaped.
As shown in fig. 2-4, the connector of the present invention comprises a rubber core 10, a housing 11, a hook 12, a PCB 13, a plurality of one-pin blanking terminals and a plurality of the above-mentioned two-pin blanking terminals, wherein the plurality of one-pin blanking terminals and the plurality of two-pin blanking terminals form a terminal group, the plurality of one-pin blanking terminals comprise a second terminal main body, a vertical section of the second terminal main body is a 1-shaped single structure, a third pin 14, a third welding part 15 and a fourth welding part 16, the third pin 14 is disposed on the left side of the second terminal main body, the third welding part 15 and the fourth welding part 16 are disposed on the right side of the second terminal main body at intervals, a second injection part 17 made of plastic material is injection-molded on the second terminal main body, the middle part of the third pin 14 is bent upwards to form a fifth projection 18, the middle part of the lower side of the third welding part 15 is provided with a sixth projection 19 downwards, a seventh protrusion 20 is upwards arranged in the middle of the upper side of the fourth welding portion 16, the vertical cross section of the sixth protrusion 19 is W-shaped, the vertical cross section of the seventh protrusion 20 is M-shaped, the rubber core 10 is assembled in the middle of the left side of the shell 11, the terminal group and the hook 12 are arranged in the rubber core 10, a mounting hole is arranged in the rubber core 10, a fixing groove is arranged on the right side of the mounting hole in the rubber core 10, the plurality of double-pin blanking terminals and the plurality of single-pin blanking terminals are all arranged in the mounting hole, the first injection molding portion 5 of each double-pin blanking terminal in the plurality of double-pin blanking terminals is in interference fit with the fixing groove, the second injection molding portion 17 of each single-pin blanking terminal in the plurality of single-pin blanking terminals is in interference fit with the fixing groove, the PCB 13 is arranged at the right side of the shell 11, and the first protrusion 6, the first welding portion 3 of each double-pin blanking terminal in the plurality of double-pin blanking terminals is in interference fit with the fixing groove, The second bulge 7 of the second welding part 4 of each double-pin blanking type terminal in a plurality of double-pin blanking type terminals, the third bulge 8 of the third welding part 15 of each single-pin blanking type terminal in a plurality of single-pin blanking type terminals and the fourth bulge 9 of the fourth welding part 16 of each single-pin blanking type terminal in a plurality of single-pin blanking type terminals are welded with a PCB 13, the double-pin blanking type terminals and the single-pin blanking type terminals of the utility model adopt a split electroplating mode after being stamped and prepared, the single-pin blanking type terminals adopt a conventional electroplating mode such as gold plating and the like to finish electroplating, the double-pin blanking type terminals adopt noble metal electroplating modes such as platinum plating, rhodium ruthenium plating and the like to finish electroplating, then the double-pin blanking type terminals and the single-pin blanking type terminals which finish electroplating are respectively injected with a first injection molding part 5 and a second injection molding part 17 by an injection molding mode, then insert two pin unloading formula terminals and single pin unloading formula terminal in the heart, can do benefit to and solve hydrops scheduling problem.
The middle part of pothook 12 is equipped with the card-tight part, all be equipped with first spread groove on the first portion of moulding plastics 5 of every bipod blanking formula terminal in a plurality of bipod blanking formula terminal, all be equipped with the second spread groove on the second portion of moulding plastics 17 of every single pin blanking formula terminal in a plurality of single pin blanking formula terminal, first spread groove and second spread groove all with card-tight part interference fit.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. Two pin unloading formula terminals, its characterized in that: including first terminal main part, first pin, the second pin, first weld part and second weld part, interval symmetry sets up the left side in first terminal main part about first pin and second pin, interval symmetry sets up the right side in first terminal main part about first weld part and the second weld part, the first portion of moulding plastics that has the plastics material of moulding plastics in the first terminal main part, the middle part of first pin is buckled into first arch downwards, the middle part of second pin is buckled into the second arch upwards, first arch sets up with the protruding longitudinal symmetry of second, the downside middle part of first weld part is equipped with the third arch downwards, the upside middle part of second weld part upwards is equipped with the fourth arch, the third arch sets up with the protruding longitudinal symmetry of fourth.
2. The dual pin blanking terminal of claim 1, wherein: the vertical section of the third bulge is W-shaped, and the vertical section of the fourth bulge is M-shaped.
3. A connector, characterized in that: the double-pin blanking type terminal comprises a rubber core, a shell, a clamping hook, a PCB (printed circuit board), a plurality of single-pin blanking type terminals and a plurality of double-pin blanking type terminals according to any one of claims 1 to 2, wherein the plurality of single-pin blanking type terminals and the plurality of double-pin blanking type terminals form a terminal group, the plurality of single-pin blanking type terminals comprise a second terminal main body, a third pin, a third welding part and a fourth welding part, the third pin is arranged on the left side of the second terminal main body, the third welding part and the fourth welding part are symmetrically arranged on the right side of the second terminal main body at intervals up and down, a second injection molding part made of plastic material is injected on the second terminal main body, the middle part of the third pin is bent upwards to form a fifth bulge, a sixth bulge is arranged downwards in the middle part of the lower side of the third welding part, a seventh bulge is upwards arranged in the middle part of the upper side of the fourth welding part, and the vertical section of the sixth bulge is W-shaped, the seventh raised vertical cross section is M-shaped, the rubber core is assembled in the middle left part in the shell, the terminal group and the hook are installed in the rubber core, the rubber core is internally provided with an installation hole, the right side of the installation hole in the rubber core is provided with a fixed groove, the plurality of double-pin blanking type terminals and the plurality of single-pin blanking type terminals are installed in the installation hole, the first injection molding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals is in interference fit with the fixed groove, the second injection molding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals is in interference fit with the fixed groove, the PCB is installed at the right part in the shell, and the first projection of the first welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals and the second projection of the second welding part of each double-pin blanking type terminal in the plurality of double-pin blanking type terminals, And the third bulge of the third welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals and the fourth bulge of the fourth welding part of each single-pin blanking type terminal in the plurality of single-pin blanking type terminals are welded with the PCB.
4. The connector of claim 3, wherein: the middle part of pothook is equipped with the card-tight part, all be equipped with first spread groove on the first portion of moulding plastics of every bipod blanking formula terminal in the two pin blanking formula terminals of a plurality of, all be equipped with the second spread groove on the second portion of moulding plastics of every single pin blanking formula terminal in the single pin blanking formula terminal of a plurality of, first spread groove and second spread groove all with card-tight part interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282697.4U CN215816545U (en) | 2021-09-18 | 2021-09-18 | Double-pin blanking type terminal and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282697.4U CN215816545U (en) | 2021-09-18 | 2021-09-18 | Double-pin blanking type terminal and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816545U true CN215816545U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122282697.4U Active CN215816545U (en) | 2021-09-18 | 2021-09-18 | Double-pin blanking type terminal and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215816545U (en) |
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2021
- 2021-09-18 CN CN202122282697.4U patent/CN215816545U/en active Active
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| GR01 | Patent grant |