CN221727490U - Conductive terminal - Google Patents

Abstract

A conductive terminal includes a base and a fisheye pin extending from the base along a first direction, the fisheye pin includes a transition portion connected to the base and a fisheye portion extending from the transition portion, the fisheye portion is provided with two opposite first surfaces and two second surfaces respectively connected to the two first surfaces, and a through hole penetrating the two first surfaces, and viewed along the first direction, the second surface includes an arc segment, a straight line segment and an arc segment connected in sequence, the fisheye pin can be inserted into a connecting hole provided on a circuit board, and such a design is conducive to improving the fit between the fisheye pin and the connecting hole.

Description

Conductive terminal

[ Field of technology ]

The present utility model relates to a conductive terminal.

[ Background Art ]

The present electrical connector is widely applied to various industries in industrial manufacture, in order to improve the assembly speed, various manufacturers can select to connect the crimp terminal with the circuit board, compared with the traditional conductive terminal connected by the solder ball, the crimp terminal can be directly inserted into the contact hole arranged on the circuit board to realize electrical conduction, the operation is simple, the risk of thermal deformation of the electrical connector caused by solder ball welding can be avoided, but the consequent disadvantages are that the integrity of signal transmission is affected due to insufficient tight contact between the crimp terminal and the contact hole, and the transmission performance of the electrical connector is poor, so that the electrical connector is unfavorable for maintaining longer service life.

Accordingly, there is a need for an improved conductive terminal that solves the above problems.

[ utility model ]

The main objective of the present utility model is to provide a conductive terminal, wherein the pins of the conductive terminal can be tightly attached to the contact holes provided on the circuit board.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a conductive terminal, includes the basal portion and follows the fisheye pin that the first direction extends from the basal portion, the fisheye pin include with the transition portion that the basal portion is connected and from the fisheye portion that the transition portion extends, the fisheye portion is equipped with two relative first surfaces and connects two second surfaces of two first surfaces respectively, and runs through two the through-hole of first surface, follow the first direction is seen, the second surface includes arc section, straightway and the arc section of connecting in proper order.

Further, the transition portion is rectangular as seen in the first direction.

Further, the first surface is arranged in a plane, and the fish eyes are arranged in a shape with two small ends in the middle in the first direction.

Further, the arc line segment comprises a first arc line sub-segment, a second arc line sub-segment and a third arc line sub-segment which are sequentially connected, wherein the first arc line sub-segment is connected to the first surface, and the third arc line sub-segment is connected with the straight line segment.

Further, the first arc line sub-section, the second arc line sub-section and the third arc line sub-section are respectively provided with a corresponding circle center, and the distance between the circle centers of the corresponding two second arc line sub-sections on the two second surfaces is between 0 and 0.35 millimeter.

Further, the two arc sections positioned on two sides of the straight line section are symmetrically arranged.

Further, the lengths of the third, first and second arc segments sequentially increase as viewed along the first direction.

Further, the fish eye portion includes an extension end and a pressing portion connecting the transition portion and the extension end, and the through hole is provided in the pressing portion.

Further, both said first surfaces are provided with inclined guiding surfaces at the extension ends.

Further, seen in the first direction, the lateral width of the junction of the fisheye portion and the transition portion is the same, and the lateral width of the transition portion is smaller than the lateral width of the base portion.

Compared with the prior art, the conductive terminal comprises the fisheye part which is used for being inserted into the contact hole formed in the circuit board, the cross section of the second surface of the conductive terminal comprises the arc line segment, the straight line segment and the arc line segment which are sequentially connected, and the fisheye part can be deformed in different directions and angles when being pressed into the contact hole of the circuit board so as to be more suitable for and fit with the shape of the contact hole, thereby achieving good contact effect.

[ Description of the drawings ]

Fig. 1 is a perspective view of a conductive terminal of the present utility model.

Fig. 2 is a partially enlarged perspective view of the conductive terminal of fig. 1.

Fig. 3 is a bottom view of the conductive terminal of fig. 1.

Fig. 4 is a perspective view of the auxiliary line added to fig. 3.

[ Detailed description ] of the invention

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.

Referring to fig. 1 to 3, the present utility model discloses a conductive terminal 100, which includes a base 10 and a fisheye pin 20 extending from the base 10 along a first direction, wherein contact portions 30 and the fisheye pin 20 are respectively extended from opposite ends of the base 10, and the contact portions 30 are used for contacting with a butt joint component. The fisheye pin 20 includes a transition portion 21 connected to the base portion 10 and a fisheye portion 22 extending from the transition portion 21, and the fisheye portion 22 is inserted into a contact hole provided in a circuit board (not shown). The fish-eye portion 22 is provided with two opposite first surfaces 23, two second surfaces 24 respectively connected with the two first surfaces 23, and a through hole 220 penetrating through the two first surfaces 23, and the second surfaces 24 comprise an arc line section S, a straight line section 240 and an arc line section S which are sequentially connected when seen along the first direction. The transition 21 is rectangular as seen in the first direction. Specifically, the transition portion 21 is provided as a rectangular parallelepiped. The first surface 23 is a planar surface, and the fisheye 22 is configured in a shape with two large middle ends and two small ends in the first direction, so that the fisheye 22 can conform to the shape of the contact hole to deform to a certain extent when being inserted into the contact hole, and the fitting degree of the fisheye is increased.

Referring to fig. 3, the arc segment S includes a first arc sub-segment 241, a second arc sub-segment 242, and a third arc sub-segment 243 sequentially connected, where the first arc sub-segment 241 is connected to the first surface 23, and the third arc sub-segment 243 is connected to the straight line segment 240. In this embodiment, two arc segments located at two sides of the straight line segment 240 are symmetrically disposed, as shown in fig. 4, and a distance L between the centers of the corresponding two second arc segments 242 on the two second surfaces 24 is between 0 and 0.35 mm. The lengths of the third, first and second arc segments are sequentially increased as viewed along the first direction. The first, second and third arc subsections 241, 242, 243 can deform in different directions and angles to better adapt to and conform to the shape of the contact hole when the fisheye 22 is pressed against the contact hole of the circuit board, thereby achieving a good contact effect.

As shown in fig. 1 and 2, the fish-eye portion 22 includes an extension end 25 and a pressing portion 26 connecting the transition portion 21 and the extension end 25, and the through-hole 220 is provided in the pressing portion 26. The two first surfaces 23 are provided with inclined guiding surfaces 231 at the extending ends 25, the through holes 220 provided in the pressing portions 26 can improve the flexibility of the fish-eye portions 22, and the guiding surfaces 213 can guide the conductive terminals 100 to be smoothly inserted into the contact holes. Referring to fig. 3, when viewed along the first direction, the lateral width of the junction between the fisheye portion 22 and the transition portion 21 is the same, the lateral width of the transition portion 21 is smaller than the lateral width of the base portion 10, and the base portion 10 may abut against a circuit board to perform a positioning function.

The above examples are only preferred embodiments of the present utility model, and should not be construed as limiting the scope of the utility model, i.e. all simple and equivalent changes and modifications that can be made in accordance with the claims and the specification shall still fall within the scope of the utility model covered by the patent claims.

Claims (10)

1. A conductive terminal comprising a base and a fish-eye pin extending from the base in a first direction, the fish-eye pin comprising a transition portion connected with the base and a fish-eye portion extending from the transition portion, the fish-eye portion being provided with two opposite first surfaces and two second surfaces respectively connected with the two first surfaces, and a through hole penetrating the two first surfaces, characterized in that: the second surface comprises an arc segment, a straight line segment and an arc segment which are sequentially connected when seen along the first direction.

2. The conductive terminal of claim 1, wherein: the transition portion is rectangular when viewed in the first direction.

3. The conductive terminal according to any one of claims 1 to 2, wherein: the first surface is arranged in a plane, and the fish eyes are arranged in a shape with two big middle ends and two small ends in the first direction.

4. A conductive terminal according to claim 3, wherein: the arc line segment comprises a first arc line sub-segment, a second arc line sub-segment and a third arc line sub-segment which are sequentially connected, the first arc line sub-segment is connected to the first surface, and the third arc line sub-segment is connected with the straight line segment.

5. The conductive terminal of claim 4, wherein: the first arc line sub-section, the second arc line sub-section and the third arc line sub-section are respectively provided with a corresponding circle center, and the distance between the circle centers of the corresponding two second arc line sub-sections on the two second surfaces is between 0 and 0.35 millimeter.

6. The conductive terminal of claim 4, wherein: the two arc sections positioned on two sides of the straight line section are symmetrically arranged.

7. The conductive terminal of claim 4, wherein: the lengths of the third, first and second arc segments are sequentially increased as viewed along the first direction.

8. A conductive terminal according to claim 3, wherein: the fish eye portion comprises an extension tail end and an extrusion portion connected with the transition portion and the extension tail end, and the through hole is formed in the extrusion portion.

9. The conductive terminal of claim 8, wherein: the two first surfaces are provided with inclined guiding surfaces at the extension ends.

10. A conductive terminal according to claim 3, wherein: seen in the first direction, the transverse width of the junction of the fish eye part and the transition part is the same, and the transverse width of the transition part is smaller than that of the base part.