CN215645338U - Connector and pin terminal thereof - Google Patents
Connector and pin terminal thereof Download PDFInfo
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- CN215645338U CN215645338U CN202120918002.4U CN202120918002U CN215645338U CN 215645338 U CN215645338 U CN 215645338U CN 202120918002 U CN202120918002 U CN 202120918002U CN 215645338 U CN215645338 U CN 215645338U
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Abstract
The utility model discloses a connector and a pin terminal thereof, comprising: an insulation body, a pin terminal fixed on the insulation body, the pin terminal is forged and formed by a drawn cylindrical metal conductor, the pin terminal comprises a transition part, a contact part and a gradually expanding part which are respectively corresponding to two ends of the transition part, the transition part and the gradually expanding part are integrally forged and formed, in the first direction, the gradually expanding part is provided with two first side surfaces, the transition part is provided with two second side surfaces, the gradually expanding part and the transition part are wider than the contact part, in the second direction perpendicular to the first direction, the transition part is wider than the gradually expanding part, in the third direction perpendicular to the first direction and the second direction, each first side surface and the adjacent second side surface are a first continuous radian which is convex outwards, in the second direction, two sides of the transition part are respectively a second continuous radian which is concave inwards in the second direction and are gradually wide towards the direction of the contact part, in the third direction, the first continuous radian, the second side surface is a second continuous radian which is concave inwards towards the contact part, The second continuous radian stops the displacement of the insulating body.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a connector and a pin terminal thereof.
[ background of the utility model ]
The utility model provides a connector, it includes an at least contact pin terminal and injection moulding insulating block on the contact pin terminal, the contact pin terminal has a holding portion, the insulating block is moulded plastics in this holding portion, prior art contact pin terminal, its holding portion often designs for prismatic boss, when moulding plastics, because the shape of this prismatic boss, make difficult gummosis between it and the insulating block, thereby produce the dead angle that does not have the plastic to fill between contact pin terminal and insulating block, the connector is after inserting and pulling out for several times, this dead angle can make and loosen between contact pin terminal and the insulating block and take off, influence the durability and the stability of connector, in addition, prior art contact pin terminal need through the lathe work shaping many times, not only the cost is higher, and production efficiency is lower.
Therefore, there is a need to design a new connector and pin terminals thereof to overcome the above problems.
[ Utility model ] content
The utility model aims to provide a connector and a pin terminal thereof, wherein glue is easy to flow during injection molding, the cost can be reduced, and the production efficiency can be improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a connector, comprising:
the insulating body is provided with an inserting part and an installing part, and the inserting part is provided with a butt joint cavity;
a pin terminal fixed on the insulation body, the pin terminal being formed by forging a drawn cylindrical metal conductor, the pin terminal including a transition portion, a contact portion connected to one end of the transition portion, and a divergent portion connected to the other end of the transition portion, the mounting portion being injection-molded outside the transition portion, wherein the contact portion is cylindrical and located in the docking cavity, the divergent portion is arc-shaped and exposed outside the mounting portion, the transition portion and the divergent portion being integrally formed by forging, the divergent portion being wider than the contact portion in a first direction, the transition portion being wider than the contact portion, the transition portion being wider than the divergent portion in a second direction, the second direction being perpendicular to the first direction, the divergent portion having two first side surfaces opposite to each other in the first direction, the transition portion having two second side surfaces opposite to each other in the first direction, in a third direction, each of the first side surfaces and the adjacent second side surface is a first continuous arc surface, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surface is outward convex, in the second direction, two sides of the transition portion are respectively a second continuous arc surface, the second continuous arc surface is gradually wide towards the contact portion, the second continuous arc surface is inward concave, the first continuous arc surface blocks the mounting portion from displacing towards the direction far away from the contact portion, and the second continuous arc surface blocks the mounting portion from displacing towards the direction far away from the gradually expanding portion.
Further, the mounting portion is molded outside an end of the diverging portion close to the transition portion and an end of the contact portion close to the transition portion, in the third direction, the diverging portion stops the mounting portion from moving in a direction away from the contact portion, and the contact portion and the transition portion together stop the mounting portion from moving in a direction away from the diverging portion.
Further, the installation portion is provided with an injection molding block, the injection molding block is molded outside the transition portion, a fixing portion fixed outside the injection molding block is assembled, the fixing portion and the insertion portion are integrally formed, the fixing portion is provided with a stop surface for stopping the injection molding block from moving towards the direction close to the contact portion, a matching portion and the fixing portion are formed in a split mode, the matching portion is fixed on the fixing portion, and the matching portion is provided with a limiting surface for limiting the injection molding block from moving towards the direction close to the gradually expanding portion.
Further, the cylindrical metal conductor of drawing is the copper product, transition portion with gradually expand the portion and be the direct punching press of cylindrical metal conductor of drawing is clapped flat and is formed, the contact site is kept away from the one end of gradually expanding the portion is formed with a spigot portion through car processing.
Further, the inserting and pulling direction of the pin terminal is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the contact surface of the contact portion is a drawing surface, and the direction of the drawing line formed by the drawing process is the third direction.
Furthermore, the gradually expanding part is provided with a glue containing groove, and the end face of the mounting part, which is far away from one side of the contact part in the third direction, is positioned in the glue containing groove.
The other technical scheme is as follows:
a pin terminal, comprising:
a transition portion;
the contact part is cylindrical and is connected with one end of the transition part;
the gradually-expanding part is arc-shaped and is connected with the other end of the transition part;
wherein the pin terminal is forged and formed by a drawn cylindrical metal conductor, the transition portion and the divergent portion are integrally forged and formed, the divergent portion is wider than the contact portion in a first direction, the transition portion is wider than the contact portion in a second direction, the transition portion is wider than the divergent portion in the second direction, the second direction is perpendicular to the first direction, the divergent portion has two opposite first side surfaces in the first direction, the transition portion has two opposite second side surfaces in the first direction, each first side surface and the adjacent second side surface are a first continuous arc surface in a third direction, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surface is outwardly convex, and two sides of the transition portion are respectively a second continuous arc surface in the second direction, and the second continuous cambered surface is gradually widened towards the direction of the contact part, and the second continuous cambered surface is inwards concave.
Further, the cylindrical metal conductor of drawing is the copper product, transition portion with gradually expand the portion and be the direct punching press of cylindrical metal conductor of drawing is clapped flat and is formed, the contact site is kept away from the one end of gradually expanding the portion is formed with a spigot portion through car processing.
Further, the inserting and pulling direction of the pin terminal is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the contact surface of the contact portion is a drawing surface, and the direction of the drawing line formed by the drawing process is the third direction.
Furthermore, the gradually expanding part is provided with a glue containing groove.
Compared with the prior art, the utility model has the following beneficial effects:
the pin terminal comprises a transition part, a gradually expanding part connected with one end of the transition part and a contact part connected with the other end of the transition part, wherein the gradually expanding part is wider than the contact part in a first direction, the transition part is wider than the gradually expanding part in a second direction perpendicular to the first direction, namely the pin terminal is respectively provided with a widened transition part and a widened gradually expanding part in the first direction and the second direction, and in the third direction, the transition part and the gradually expanding part are staggered, so that the transition part and the gradually expanding part can respectively block different positions of the installation part in the third direction, the installation part can be prevented from being displaced in a direction away from the contact part and in a direction away from the gradually expanding part, and the problem that the installation part is easy to break in multiple plugging and unplugging processes due to the fact that the installation part is blocked at the same position of the installation part is solved, the durability of the connector is further improved.
The gradually-expanding portion is arranged on two opposite first side surfaces in the first direction, the transition portion is arranged on two opposite second side surfaces in the first direction, each first side surface is adjacent to the first continuous arc surface in the third direction, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surfaces are outwards convex, the second direction is provided with two second continuous arc surfaces on two sides of the transition portion respectively, the second continuous arc surfaces are inwards concave, when the installation portion is subjected to injection molding outside the transition portion, the outwards convex first continuous arc surfaces and the inwards concave second continuous arc surfaces can guide molten plastic to climb, so that glue flows easily during injection molding, dead corners cannot be generated, the durability and stability of the connector are improved, and in addition, the contact portion and the contact portion of the pin terminal are formed by directly beating a flat cylindrical metal conductor, Gradually expand portion, transition portion, rethread car processing forms spigot joint portion, so reduced the waste of material and simplified manufacturing procedure, improved efficiency, and further, compared with prior art, product cost can save half, because of simplified manufacturing procedure for two-thirds also can be saved to the mould cost.
Furthermore, the plug direction of the pin terminal is the third direction, the surface of the drawn round metal conductor formed by the drawing process is provided with a hardened layer, the hardened layer is good in smoothness and high in hardness, the contact surface of the contact part is a drawing surface, and the direction of the drawing lines formed by the drawing process is the third direction, namely the plug direction of the pin terminal is consistent with the direction of the drawing lines, so that the pin terminal is more wear-resistant in use, the drawing process can obtain more accurate size and accuracy, the plug force is more stable, the plug life of the pin terminal is prolonged, and the durability and stability of the connector are further improved.
[ description of the drawings ]
FIG. 1 is a perspective assembly view of the connector of the present invention;
FIG. 2 is an exploded view of the connector of FIG. 1;
FIG. 3 is a side view of the connector of FIG. 1;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a perspective view of a pin terminal of the present invention;
fig. 7 is a top view of the pin terminal of fig. 6;
fig. 8 is a side view of the pin terminal of fig. 7;
[ detailed description ] embodiments
For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow.
As shown in fig. 1 to 5, a connector 100 of the present invention is shown, and fig. 6 to 8 show a pin terminal 2 of the present invention; the connector 100 of the present invention is inserted into a mating connector (not shown), and the connector 100 includes an insulating body 1 and a pin terminal 2 fixed to the insulating body 1.
For ease of understanding, a first direction, a second direction and a third direction are defined and projected into an XYZ coordinate system, the first direction being represented by a Y axis, the second direction being represented by a Z axis, the third direction being represented by an X axis.
As shown in fig. 1 to 5, the insulating body 1 is made of insulating plastic material, the insulating body 1 is provided with a plug portion 11 and a mounting portion 12, the inserting part 11 has a butt-joint cavity 111, the mounting part 12 includes an injection-molded block 121, a fixing part 122 and a fitting part 123, the fixing part 122 and the inserting part 11 are integrally formed, and the fixing portion 122 is provided with a clamping portion 1221, the injection molding block 121 is accommodated in the fixing portion 122, the engaging portion 123 is fixed to the fixing portion 122, and the engaging portion 123 is provided with a fastening portion 1231 engaged and fixed with the retaining portion 1221, wherein the fixing portion 122 has a stop surface 1222 in the third direction, the engaging portion 123 has a protrusion 1232, the protrusion 1232 is provided with a limiting surface 1232a in the third direction, and the blocking surface 1222 and the limiting surface 1232a block the injection molding block 121 from being separated from the mounting portion 12 in the third direction.
As shown in fig. 2, 4 and 6, the pin terminal 2 is fixedly arranged on the insulation body 1, the pin terminal 2 includes a transition portion 21, a divergent portion 23 connected to one end of the transition portion 21, a contact portion 22 connected to the other end of the transition portion 21, a plug portion 24 connected to the contact portion 22, and a connection tail portion 25 connected to the divergent portion 23, wherein the contact portion 22 is cylindrical and located in the mating cavity 111, the divergent portion 23 is arc-shaped and exposed out of the fixing portion 122, the transition portion 21, the divergent portion 23, and the connection tail portion 25 are directly formed by directly stamping one end of a flattened drawn cylindrical metal conductor, and the other end of the pressed flattened drawn cylindrical metal conductor is directly formed into the contact portion 22 without other processing (such as turning, blanking, upsetting, etc.), further, the connection tail portion 25 and the plug portion 24 are respectively and correspondingly formed with a through hole 251 and an annular groove 241 by turning, compared with the prior art, the manufacturing process is reduced, the complex turning process is omitted, the manufacturing efficiency is improved, the product cost is saved by one half, the die cost is saved by two thirds due to the reduction of the manufacturing process, the inserting and pulling direction of the pin terminal 2 is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the hardened layer has good finish and high hardness, the contact surface of the contact portion 22 is the drawing surface because the contact portion 22 is not processed by other processes (such as turning, blanking, upsetting and the like), and the direction of the drawing line formed by the drawing process is the third direction, so that the wear-resistant pin terminal 2 can be used more, more accurate size and precision can be obtained by drawing, so that the plugging force is more stable, the plugging service life of the pin terminal 2 is prolonged, and the durability and stability of the connector 100 are further improved; in addition, in order to achieve good conductive effect and forming effect, the drawn cylindrical metal conductor is made of copper or other materials with good conductivity and good plasticity, such as silver, aluminum and the like, in this embodiment, the drawn cylindrical metal conductor is made of copper, and the formed pin terminal 2 is plated with a nickel bottom layer and then plated with silver.
As shown in fig. 6 to 7, in the first direction, the diverging portion 23 is wider than the transition portion 21 and the transition portion 21 is wider than the contact portion 22, in the second direction, the transition portion 21 is wider than the diverging portion 23, the transition portion 21 has two first side surfaces 231 opposite to each other in the first direction, the diverging portion 23 has two second side surfaces 211 opposite to each other in the first direction, one first side surface 231 and one second side surface 211 on the same side of the pin terminal 2 are a first continuous arc surface R1, two sides of the transition portion 21 in the second direction are a second continuous arc surface R2, the first continuous arc surface R1 is convex, and the second continuous arc surface R2 is concave and gradually wider toward the contact portion 22.
As shown in fig. 4 and 5, the injection molding block 121 and the transition portion 21 are integrally injection molded and accommodated in the insulation body 1, the injection molding block 121 further covers a portion of the contact portion 22 and a portion of the diverging portion 23, the contact portion 22 of the pin terminal 2 is accommodated in the insertion portion 11, a portion of the diverging portion 23 and the transition portion 21 of the pin terminal 2 are accommodated in the fixing portion 122, and in the third direction, a height difference is formed between an end surface of the injection molding block 121 on a side close to the connection tail portion 25 of the pin terminal 2 and an end surface of the fixing portion 122 on a side close to the connection tail portion 25 of the pin terminal 2, so as to form a reserved space S for accommodating burrs (not shown) generated when the injection molding block 121 and the pin terminal 2 are molded, and the convex part 1232 enters the reserved space S to limit the displacement of the injection molding block 121 in the direction away from the contact part 22.
As shown in fig. 4, 6 and 8, the first continuous curved surface R1 is convex and is tapered toward the contact portion 22, the injection gate (not shown) of the injection block 121 is located on one side of the injection block 121 in the second direction, when the molten plastic is coated on the pin terminal 2 from the glue injection opening, the first continuous arc surface R1 guides the molten plastic to climb to the direction of the contact portion 22 to coat a part of the contact portion 22 without generating a dead angle without plastic filling, since the second continuous arc surface R2 gradually widens toward the contact portion 22, when the molten plastic covers a portion of the contact portion 22, the molten plastic is stopped by the second continuous arc surface R2, so that the molten plastic does not flow to the front end of the contact portion 22, in addition, the first continuous arc surface R1 blocks the injection-molded block 121 from further moving away from the contact portion 22 in the third direction.
As shown in fig. 4 and 5 and 7, the second continuous curved surface R2 is concave and gradually widens toward the contact portion 22, the injection gate (not shown) of the injection block 121 is located on one side of the injection block 121 in the second direction, when the molten plastic is coated on the pin terminal 2 from the plastic injection opening, the second continuous arc surface R2 guides the molten plastic to climb toward the gradually expanding part 23 to coat part of the gradually expanding part 23, and no dead angle without plastic filling is generated, since the first continuous curved surface R1 is convex, when the molten plastic wraps part of the diverging portion 23, it is stopped by the convex first continuous curved surface R1, so that the molten plastic does not flow to the connection tail portion 25, in addition, the second continuous arc surface R2 blocks the injection molding block 121 from further displacing in the third direction away from the diverging portion 23.
As shown in fig. 5, 6 and 8, a glue receiving groove 232 is respectively disposed on two sides of the divergent portion 23 in the second direction, when the molten plastic flows to the position of the glue receiving groove 232, the glue receiving groove 232 can prevent the molten plastic from flowing to the connection tail portion 25 so as to affect the electrical transmission performance of the pin terminal 2, when the injection molding block 121 is molded on the pin terminal 2, an end surface of the injection molding block 121 on a side away from the contact portion 22 in the third direction is located in the glue receiving groove 232, in an embodiment, the glue receiving groove 232 may be located on only one side of the divergent portion 23 in the second direction, and in another embodiment, the glue receiving groove 232 may be located on two sides or only one side of the divergent portion 23 in the first direction.
As shown in fig. 4 and 5, the plug head 24 and a touch-proof cap 3 are integrally formed by injection molding, wherein the annular groove 241 is located in the touch-proof cap 3 to limit the displacement of the touch-proof cap 3 in a direction away from the connection tail 25.
In summary, the connector 100 of the present invention has the following advantages:
1. the pin terminal 2 includes a transition portion 21, a gradually expanding portion 23 connected to one end of the transition portion 21, and a contact portion 22 connected to the other end of the transition portion 21, the divergent portion 23 is wider than the contact portion 22 in a first direction, the transition portion 21 is wider than the divergent portion 23 in a second direction perpendicular to the first direction, namely the pin terminal 2 has a widened transition portion 21 and a widened diverging portion 23 in the first direction and the second direction respectively, in the third direction, the transition portion 21 and the diverging portion 23 are staggered, so that the transition portion 21 and the diverging portion 23 can respectively block different positions of the injection molding block 121 in the third direction, and the injection molding block 121 is prevented from being displaced in a direction away from the contact portion 22 and in a direction away from the diverging portion 23.
2. The transition portion 21 and the gradually expanding portion 23 stop the injection molding block 121 at different positions, so that the problem that the injection molding block 121 is easily broken in the process of multiple plugging and unplugging due to the fact that the injection molding block 121 is stopped at the same position of the injection molding block 121 is solved, and the durability of the connector 100 is further improved.
3. The divergent portion 23 has two first side surfaces 231 opposed in the first direction, the transition portion 21 has two second side surfaces 211 opposite in the first direction, in the third direction, each of the first side surfaces 231 and the adjacent second side surfaces 211 are a first continuous arc surface R1, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surface R1 is outwardly convex, and in the second direction, two sides of the transition part 21 are respectively provided with a second continuous cambered surface R2, the second continuous cambered surface R2 is inwards concave, when the injection molding block 121 is injection molded outside the transition portion 21, the first continuous curved surface R1 protruding outward and the second continuous curved surface R2 protruding inward can guide the molten plastic to creep, so that the glue is easily flowed during injection molding, and a dead angle is not generated, thereby improving the durability and stability of the connector 100.
4. The contact part 22, the gradually expanding part 23 and the transition part 21 of the pin terminal 2 are formed by directly flattening a drawn cylindrical metal conductor, and then the pin joint part 24 is formed by lathing, so that the waste of materials is reduced, the processing procedure is simplified, the efficiency is improved, further, compared with the prior art, the product cost can be saved by one half, and the processing procedure is simplified, so that the mold cost can be saved by two thirds.
5. The plug direction of the pin terminal 2 is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the hardened layer has good finish and high hardness, the contact surface of the contact part 22 is a drawing surface, and the direction of the drawing line formed by the drawing process is the third direction, namely, the plug direction of the pin terminal 2 is consistent with the direction of the drawing line, so that the pin terminal 2 is more wear-resistant when in use, and the drawing process can obtain more accurate size and precision, so that the plug force is more stable, the plug life of the pin terminal 2 is prolonged, and the durability and stability of the connector 100 are further improved.
6. Prevent touching cap 3 with contact pin terminal 2 integrated into one piece has removed the manual assembly process from, has saved the cost, has improved efficiency.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.
Claims (10)
1. A connector, comprising:
the insulating body is provided with an inserting part and an installing part, and the inserting part is provided with a butt joint cavity;
a pin terminal fixed on the insulation body, the pin terminal being formed by forging a drawn cylindrical metal conductor, the pin terminal including a transition portion, a contact portion connected to one end of the transition portion, and a divergent portion connected to the other end of the transition portion, the mounting portion being injection-molded outside the transition portion, wherein the contact portion is cylindrical and located in the docking cavity, the divergent portion is arc-shaped and exposed outside the mounting portion, the transition portion and the divergent portion being integrally formed by forging, the divergent portion being wider than the contact portion in a first direction, the transition portion being wider than the contact portion, the transition portion being wider than the divergent portion in a second direction, the second direction being perpendicular to the first direction, the divergent portion having two first side surfaces opposite to each other in the first direction, the transition portion having two second side surfaces opposite to each other in the first direction, in a third direction, each of the first side surfaces and the adjacent second side surface is a first continuous arc surface, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surface is outward convex, in the second direction, two sides of the transition portion are respectively a second continuous arc surface, the second continuous arc surface is gradually wide towards the contact portion, the second continuous arc surface is inward concave, the first continuous arc surface blocks the mounting portion from displacing towards the direction far away from the contact portion, and the second continuous arc surface blocks the mounting portion from displacing towards the direction far away from the gradually expanding portion.
2. The connector of claim 1, wherein: the mounting part is injected outside one end of the gradually expanding part close to the transition part and one end of the contact part close to the transition part, in the third direction, the gradually expanding part stops the mounting part from moving towards the direction far away from the contact part, and the contact part and the transition part together stop the mounting part from moving towards the direction far away from the gradually expanding part.
3. The connector of claim 1, wherein: the mounting portion is provided with an injection molding block, the injection molding block is molded outside the transition portion, a fixing portion fixed outside the injection molding block is assembled, the fixing portion and the inserting portion are integrally formed, the fixing portion is provided with a blocking surface for blocking the injection molding block from moving in the direction close to the contact portion, a matching portion and the fixing portion are formed in a split mode, the matching portion is fixed on the fixing portion, and the matching portion is provided with a limiting surface for limiting the injection molding block from moving in the direction close to the gradually expanding portion.
4. The connector of claim 1, wherein: the drawn cylindrical metal conductor is a copper material, the transition part and the gradually-expanding part are formed by directly stamping and flattening the drawn cylindrical metal conductor, and one end, far away from the gradually-expanding part, of the contact part is formed with an inserting joint part through machining.
5. The connector of claim 1, wherein: the inserting and pulling direction of the pin terminal is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the contact surface of the contact part is a drawing surface, and the direction of a drawing line formed by the drawing process is the third direction.
6. The connector of claim 1, wherein: the gradually-expanding part is provided with a glue containing groove, and the end face of one side of the mounting part, which is far away from the contact part in the third direction, is positioned in the glue containing groove.
7. A pin terminal, comprising:
a transition portion;
the contact part is cylindrical and is connected with one end of the transition part;
the gradually-expanding part is arc-shaped and is connected with the other end of the transition part;
wherein the pin terminal is forged and formed by a drawn cylindrical metal conductor, the transition portion and the divergent portion are integrally forged and formed, the divergent portion is wider than the contact portion in a first direction, the transition portion is wider than the contact portion in a second direction, the transition portion is wider than the divergent portion in the second direction, the second direction is perpendicular to the first direction, the divergent portion has two opposite first side surfaces in the first direction, the transition portion has two opposite second side surfaces in the first direction, each first side surface and the adjacent second side surface are a first continuous arc surface in a third direction, the third direction is perpendicular to the first direction and the second direction, the first continuous arc surface is outwardly convex, and two sides of the transition portion are respectively a second continuous arc surface in the second direction, and the second continuous cambered surface is gradually widened towards the direction of the contact part, and the second continuous cambered surface is inwards concave.
8. The pin terminal as in claim 7, wherein: the drawn cylindrical metal conductor is a copper material, the transition part and the gradually-expanding part are formed by directly stamping and flattening the drawn cylindrical metal conductor, and one end, far away from the gradually-expanding part, of the contact part is formed with an inserting joint part through machining.
9. The pin terminal as in claim 7, wherein: the inserting and pulling direction of the pin terminal is the third direction, the surface of the drawn circular metal conductor formed by the drawing process is provided with a hardened layer, the contact surface of the contact part is a drawing surface, and the direction of a drawing line formed by the drawing process is the third direction.
10. The pin terminal as in claim 7, wherein: the gradually expanding part is provided with a glue containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918002.4U CN215645338U (en) | 2021-04-29 | 2021-04-29 | Connector and pin terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918002.4U CN215645338U (en) | 2021-04-29 | 2021-04-29 | Connector and pin terminal thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215645338U true CN215645338U (en) | 2022-01-25 |
Family
ID=79937079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918002.4U Active CN215645338U (en) | 2021-04-29 | 2021-04-29 | Connector and pin terminal thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215645338U (en) |
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2021
- 2021-04-29 CN CN202120918002.4U patent/CN215645338U/en active Active
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