Electrical connector

文档序号:194502 发布日期:2021-11-02 浏览:47次 中文

阅读说明:本技术 电连接器 (Electrical connector ) 是由 陈明庆 于 2020-04-30 设计创作,主要内容包括:一种电连接器,包括具有一收容空间的遮蔽壳体、收容于所述收容空间的信号端子及固持于所述遮蔽壳体与所述信号端子的绝缘本体,所述遮蔽壳体具有一呈环形的环形部,所述信号端子具有一设置于所述收容空间内的基体、自所述基体设有的上表面向上突伸形成的位于所述环形部中央的接触部及自所述基体周缘向外延伸出的焊接部,所述基体的上表面与所述焊接部上表面向下打薄设置以使所述基体的上表面向下凹陷形成凹部。(An electric connector comprises a shielding shell with an accommodating space, a signal terminal accommodated in the accommodating space and an insulating body fixedly held between the shielding shell and the signal terminal, wherein the shielding shell is provided with an annular part, the signal terminal is provided with a base body arranged in the accommodating space, a contact part which is formed by upwards protruding from the upper surface of the base body and is positioned in the center of the annular part, and a welding part which outwards extends from the periphery of the base body, and the upper surface of the base body and the upper surface of the welding part are thinned downwards so that the upper surface of the base body is downwards sunken to form a concave part.)

1. An electric connector comprises a shielding shell with an accommodating space, a signal terminal accommodated in the accommodating space and an insulating body fixedly held between the shielding shell and the signal terminal, wherein the shielding shell is provided with an annular part, the signal terminal is provided with a base body arranged in the accommodating space, a contact part which is formed by upwards protruding from the upper surface of the base body and is positioned in the center of the annular part, and a welding part which outwards extends from the periphery of the base body, and the electric connector is characterized in that: the upper surface of the base body and the upper surface of the welding part are thinned downwards so that the upper surface of the base body is recessed downwards to form a concave part.

2. The electrical connector of claim 1, wherein: the welding part is positioned in the accommodating space and does not extend out of the annular part.

3. The electrical connector of claim 2, wherein: the insulating body comprises a base and an accommodating part, wherein the base and the annular part are integrally arranged, the accommodating part is positioned in the accommodating space and penetrates through the upper surface and the lower surface of the base, and the welding part is positioned in the accommodating part.

4. The electrical connector of claim 3, wherein: the concave part comprises an annular concave part which is formed by downwards sinking from the upper surface of the base body and surrounds the bottom of the contact part, and the upper surface of the welding part and the annular concave part are in the same plane.

5. The electrical connector of claim 4, wherein: the shielding shell further comprises a pair of welding plate parts extending out of two sides of the lower end of the annular part at intervals and a gap part located between the pair of welding plate parts, and the gap part is correspondingly arranged on the outer side of the accommodating part.

6. The electrical connector of claim 5, wherein: the insulating body further comprises a plastic reinforcing part which is transversely arranged and is arranged on the same line with the accommodating part, a side part which is arranged opposite to the inner wall surface of the accommodating part is arranged on the inner side of the plastic reinforcing part, and the extending direction of the welding part and the extending direction of the plastic reinforcing part are consistent and do not exceed the side part.

7. The electrical connector of claim 6, wherein: the conductive terminal is further provided with an opening which is arranged on the annular concave part and positioned on the upper surface of the base body and provided with a cross section of the welding part, the insulating body comprises a through hole positioned in the center of the base and a containing groove positioned on the inner side of the containing part corresponding to the lower surface of the base, the contact part extends out of the through hole from bottom to top, and the root of the welding part is contained in the containing groove.

8. The electrical connector of claim 1, wherein: the signal terminal further comprises a side groove formed by upwards and concavely arranging the lower surface of the base body, and the side groove is positioned on the lower surfaces of the base body on the front side and the rear side of the welding part and the lower surface of the base body opposite to the welding part.

9. The electrical connector of claim 7, wherein: the shielding shell further comprises a metal reinforcing part which is located above the gap part and forms the annular part, and the metal reinforcing part is fixedly arranged on the plastic reinforcing part.

10. The electrical connector of claim 1, wherein: the distance between the upper surface of the base corresponding to the welding part and the upper surface of the welding part is 0.11 mm.

[ technical field ] A method for producing a semiconductor device

The invention aims to provide an electric connector which increases the distance between the upper surface of a welding part of a conductive terminal and the upper surface of a base so as to reduce the tin climbing risk.

[ background of the invention ]

U.S. patent publication No. 20110275243, which generally includes a ground terminal, the ground terminal includes a ring-shaped body, the ring-shaped body is formed by rolling up a circle, and has a socket, and a ground pin is formed by extending from a certain position on both sides of the socket, respectively, and a signal terminal has a base, one end of the base is provided with a soldering portion, and the other end of the base extends upward to form a contact portion at the center of the ring-shaped body, because the base is located right below the socket, in order to ensure that the bottom edge of the ring-shaped body does not contact with the base, the gap between the bottom edge of the ring-shaped body and the base is large enough, however, under the trend of light and thin electronic products, the overall height of the connector is reduced to be the necessary design direction, so the thickness of the insulator is reduced, and the gap between the bottom edge of the ring-shaped body and the base is also reduced, the annular body is likely to contact the signal terminals, resulting in a short circuit.

Accordingly, there is a need for an improved electrical connector to overcome this drawback.

[ summary of the invention ]

The invention aims to provide an electric connector which increases the distance between the upper surface of a welding part of a conductive terminal and the upper surface of a base so as to reduce the tin climbing risk.

The purpose of the invention is realized by the following technical scheme: an electric connector comprises a shielding shell with an accommodating space, a signal terminal accommodated in the accommodating space and an insulating body fixedly held between the shielding shell and the signal terminal, wherein the shielding shell is provided with an annular part, the signal terminal is provided with a base body arranged in the accommodating space, a contact part which is formed by upwards protruding from the upper surface of the base body and is positioned in the center of the annular part, and a welding part which outwards extends from the periphery of the base body, and the upper surface of the base body and the upper surface of the welding part are thinned downwards so that the upper surface of the base body is downwards sunken to form a concave part.

Further, the welding part is located in the accommodating space and does not extend out of the annular part.

Further, the insulating body comprises a base integrally arranged with the annular part and an accommodating part which is positioned in the accommodating space and penetrates through the upper surface and the lower surface of the base, and the welding part is positioned in the accommodating part.

Further, the concave part comprises an annular concave part which is formed by downwards sinking from the upper surface of the base body and surrounds the bottom of the contact part, and the upper surface of the welding part and the annular concave part are in the same plane.

Furthermore, the shielding shell further comprises a pair of welding plate parts extending out of two sides of the lower end of the annular part at intervals and a gap part located between the pair of welding plate parts, and the gap part is correspondingly arranged on the outer side of the accommodating part.

Furthermore, the insulation body further comprises a plastic reinforcing part which is transversely arranged and is arranged on the same line with the accommodating part, a side part which is arranged opposite to the inner wall surface of the accommodating part is arranged on the inner side of the plastic reinforcing part, and the extending direction of the welding part and the plastic reinforcing part is consistent and does not exceed the side part.

Furthermore, the conductive terminal is further provided with an opening which is arranged on the annular concave part and positioned on the upper surface of the base body and provided with a cross section of the welding part, the insulating body comprises a through hole positioned in the center of the base and a holding groove positioned on the inner side of the accommodating part corresponding to the lower surface of the base, the contact part extends out of the through hole from bottom to top, and the root of the welding part is accommodated in the holding groove.

Furthermore, the signal terminal also comprises a side groove which is formed by upwards and concavely arranging the lower surface of the base body, and the side groove is positioned on the lower surfaces of the base body at the front side and the rear side of the welding part and the lower surface of the base body which is arranged opposite to the welding part.

Furthermore, the shielding shell further comprises a metal reinforcing part which is positioned above the gap part and forms the annular part, and the metal reinforcing part is fixedly arranged on the plastic reinforcing part.

Further, the distance from the upper surface of the base corresponding to the welding part to the upper surface of the welding part is 0.11 mm.

Compared with the prior art, the invention has the following beneficial effects: the base body and the welding part at the bottom of the contact part of the conductive terminal are thinned, so that the distance between the surface of the welding part and the surface of the base body is increased, and the tin climbing risk is reduced.

[ description of the drawings ]

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is an exploded perspective view of fig. 3 from another perspective.

Fig. 5 is a sectional view taken along line a-a of fig. 1.

Fig. 6 is a sectional view taken along line B-B in fig. 1.

Fig. 7 shows the signal terminal before the base and the soldering portion are thinned.

[ description of main reference symbols ]

Signal terminal 1 of electric connector 100

Annular recess 101 of base body 10

Lower surface 102 side groove 1021

Cross section 103 with openings 104

Contact portion 11 welding portion 12

End face 121 shields case 2

Annular part 21 of containing space 20

Metal reinforcing part 211 welding plate part 22

Sliding groove 221 gap 222

Base 30 of insulating body 3

Through-hole 301 accommodating portion 302

Accommodating groove 303 plastic reinforcement part 31

Side part 312 of the abutting part 311

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

Referring to fig. 1 to 7, an electrical connector 100 of the present invention includes a shielding shell 2, a signal terminal 1 accommodated in the shielding shell 2, and an insulating body 1 fixed to the shielding shell 2 and the signal terminal. The signal terminal 1 and the shielding shell 2 are embedded and molded in the insulating body 3. The direction of the weld plate portion 22 in the following description of the present invention is the front-rear direction.

Referring to fig. 1 to 6, the shielding case 2 is made of metal. The shielding shell 2 is annularly surrounded to form an accommodating space 20. The shielding case 2 includes an annular portion 21, a pair of welding plate portions 22 extending from both sides of a lower end of the annular portion and arranged in a front-rear direction at an interval, and a gap portion 222 located between the pair of welding plate portions. The shield case 2 further includes a metal reinforcing portion 211 located above the gap portion 222 constituting the annular portion 21. A pair of sliding grooves 221 are obliquely arranged on the inner side of each welding plate portion 22 in the left-right direction in the transverse direction, and a supporting portion 311 which is fastened with the sliding grooves 221 is correspondingly arranged on the plastic reinforcing portion 31.

Referring to fig. 1 to 6, the insulating body 3 includes a base 30 integrally disposed with the annular portion 21, an accommodating portion 302 disposed in the accommodating space 20 and penetrating through the upper and lower surfaces of the base 30, a plastic reinforcing portion 31 disposed in a same row with the accommodating portion 302 and transversely disposed, and a side portion 312 disposed inside the plastic reinforcing portion 31 and opposite to the inner wall surface of the accommodating portion 302. The gap 222 is correspondingly disposed outside the accommodating portion 302. The insulating body 3 includes a through hole 301 located at the center of the base 30 and a receiving groove 303 located on the lower surface of the base 30 corresponding to the inner side of the receiving portion 302. The edge of the plastic reinforcing part 31 of the insulating body 3 is flush with the edge of the welding plate part 22 of the shielding shell 2 in the transverse direction. The metal reinforcing portion 211 is fixedly disposed on the plastic reinforcing portion 31.

The signal terminal 1 has a base 10 disposed in the receiving space 20, a contact portion 11 formed by upward projection from the base 10 and located at the center of the annular portion 21, and a soldering portion 12 extending from one side of the base 10. The welding portion 12 is located in the receiving space 20 and does not extend beyond the outer side of the annular portion 21. The welding portion 12 is located in the accommodating portion 302, the extending direction of the welding portion 12 is the same as the extending direction of the plastic reinforcing portion 31, and the end surface 121 of the welding portion 12 does not extend beyond the side portion 312. The upper surface 105 of the base 10 and the upper surface of the welding portion 12 are thinned downward so that the upper surface of the base 10 is recessed downward to form a concave portion (not numbered). The recess includes an annular recess 101 formed by recessing downward from the upper surface of the base 10 so as to surround the bottom of the contact portion 11. The welded portion 12 is flush with the upper surface of the annular recess 101. The conductive terminal 1 further has an opening 104 disposed on the annular recess 101 and the upper surface of the base 10 and located on a cross section 103 of the soldering portion 12. Contact portion 11 certainly through-hole 301 is from up stretching out down through-hole 301, the root of welding part 12 accept in holding tank 303. The signal terminal 1 further includes a side groove 1021 formed by upwardly recessing from the lower surface 102 of the base 10, and the side groove 1021 is located on the lower surface of the base 10 at the front and rear sides of the soldering portion 12 and the lower surface of the base opposite to the soldering portion 12. The welded portion 12 is located between a pair of the welding plate portions 22.

The upper surface of the base 30 corresponding to the welded portion 12 is spaced from the upper surface of the welded portion 12 by a distance of 0.11 mm.

The insulation body 3 is formed at the bottom of the shielding shell 2 and the signal terminal 1 in an insert molding manner, which is generally an insert-type overmolding manner, the insulation body 3 partially encapsulates the shielding shell 2 and the signal terminal 1, and the welding portion 12 is located in the receiving space 20 provided in the shielding shell 2, does not exceed the receiving space, and has a relatively good signal integrity. And because the shielding shell 2 and the signal terminal 1 are fixed on the insulating body 3, the shielding shell 2 and the signal terminal 1 do not move relatively.

In assembly, the shielding shell 2 and the signal terminal 1 are first positioned, the contact portion is positioned at the center of the annular portion 21, and the soldering portion 12 is positioned in the receiving space 20. Then, the insulating body 3 is insert-molded at the bottom of the shielding shell 2 and the signal terminal 1, and the insulating body 3 partially covers the shielding shell 2 and the signal terminal 1, so that the welding portion 12 is located in the accommodating portion 302.

According to the invention, the base body 10 and the welding part 12 at the bottom of the contact part 11 of the conductive terminal are thinned, so that the distance between the surface of the welding part 12 and the surface of the base body 10 is increased, the tin climbing risk is reduced, and the signal integrity is increased because the welding part 12 of the signal terminal is arranged in the accommodating space 20 arranged in the shielding shell.

The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.

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