CN209822626U

CN209822626U - Connecting piece for packaging integrated circuit

Info

Publication number: CN209822626U
Application number: CN201920565434.4U
Authority: CN
Inventors: 顾亭; 李兰珍; 陈璟玉
Original assignee: Suzhou Fudayi Precision Technology Co Ltd
Current assignee: Suzhou Fudayi Precision Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-20
Anticipated expiration: 2029-04-24

Abstract

The utility model belongs to the technical field of integrated circuit, especially, be a connecting piece of encapsulation integrated circuit, including integrated circuit board and upper pin, become circuit board one side fixedly connected with upper pin, the one side of upper pin is seted up flutedly, and the one end of upper pin of keeping away from into the circuit board is fixed with the one end of connecting folding strip, the other end of folding strip is fixed with lower pin, one side of lower pin is provided with the upper weld face, the opposite side of lower pin is provided with lower weld face, the welding hole runs through lower pin and sets up, the both ends opening of welding hole sets up respectively on upper weld face and lower weld face; when carrying out the welding, the tin silk of welding usefulness melts the back, flows on external circuit board through last welding face, makes between pin and the external circuit board welded more firm, folds down the pin through folding strip, and then changes the length that device one side pin set up, and the circuit board that conveniently is according to the difference welds.

Description

Connecting piece for packaging integrated circuit

Technical Field

The utility model relates to an integrated circuit technical field specifically is a packaging integrated circuit's connecting piece.

Background

The required elements of transistor, resistor, capacitor and inductor in the circuit and wiring are interconnected together, and made on a small or several small semiconductor wafers or medium substrates, and then packaged in a package to form a microstructure with the required circuit function, i.e. an integrated circuit.

When the packaged integrated circuit is used, signals are generally exchanged through the connecting parts, and most of the connecting parts in the market at present are parts such as pins, pin pads, solder balls, connecting holes and the like, and are used for connecting the packaged integrated circuit.

However, most of the connectors for packaging the integrated circuits in the market have the disadvantages that when the pins are soldered to the integrated circuits, the solder wires on the pins cannot be in contact with the integrated circuits more comprehensively, and the long ends of the pins are inconvenient to fold and store, so that the length of the pins is changed, and therefore, the connectors for packaging the integrated circuits in the prior art need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting piece of encapsulation integrated circuit to when solving pin and integrated circuit on the existing market that above-mentioned background art provided and welding, the welding wire on the pin can not be more comprehensive contacts with integrated circuit, and the long end of pin is inconvenient folds and accomodate, changes the problem of the length of pin.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting piece for packaging an integrated circuit comprises an integrated circuit board and an upper pin, wherein the upper pin is fixedly connected to one side of the integrated circuit board;

the novel PCB is characterized in that one side of the upper pin is provided with a groove, one end of the upper pin, which is far away from the PCB, is fixed with one end of a connecting folding strip, the other end of the folding strip is fixed with a lower pin, one side of the lower pin is provided with an upper welding surface, the other side of the lower pin is provided with a lower welding surface, the lower pin penetrates through the upper welding surface and the lower welding surface, and openings at two ends of the welding hole are respectively arranged on the upper welding surface and the lower welding surface.

Preferably, a groove is formed in the center of the upper pin, and the inner size of the groove is matched with the outer size of the upper welding face.

Preferably, the length ratio of the folding strip to the upper and lower pins is 3:3: 2.

Preferably, the cross section of the upper welding surface is triangular, and welding holes are symmetrically formed in two sides of the top end of the upper welding surface.

Preferably, the cross section of the lower welding surface is an isosceles trapezoid, and the lower welding surface and the lower pin are of an integral structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, the setting of going up the face of weld cross-section, when carrying out the welding, the tin silk of welding usefulness melts the back, flows to external circuit board through last face of weld on, makes between pin and the external circuit board welded more firm.

2. The utility model discloses, fold down the pin through folding the strip, make down the inside of the recess that the last face of weld that pin one side set up was installed, and then the length that changes device one side pin setting, the circuit board according to the difference is conveniently welded.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the folded lower pin of the present invention;

fig. 3 is a schematic view of the lower pin main view structure of the present invention.

In the figure: 1. integrated circuit board, 2, go up pin, 3, recess, 4, folding strip, 5, lower pin, 6, last face of weld, 7, welding hole, 8, lower face of weld.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution: a connecting piece for packaging an integrated circuit comprises an integrated circuit board 1, an upper pin 2, a groove 3, a folding strip 4, a lower pin 5, an upper welding surface 6, a welding hole 7 and a lower welding surface 8, wherein the upper pin 2 is fixedly connected to one side of the integrated circuit board 1;

the novel PCB is characterized in that one side of the upper pin 2 is provided with a groove 3, one end of the upper pin 2, which is far away from the PCB 1, is fixed with one end of a connecting folding strip 4, the other end of the folding strip 4 is fixed with a lower pin 5, one side of the lower pin 5 is provided with an upper welding surface 6, the other side of the lower pin 5 is provided with a lower welding surface 8, the lower pin 5 penetrates through the upper welding surface 6 and the lower welding surface 8, and openings at two ends of the welding hole 7 are respectively arranged on the upper welding surface 6 and the lower welding surface 8.

In this embodiment:

specifically, the central position of going up pin 2 is seted up flutedly 3, the internal dimension of flutedly 3 is identical with the external dimension of last welding face 6, folds pin 5 down through folding strip 4, makes the inside of the recess 3 that last welding face 6 that 5 one side of lower pin set up installed, and then changes the length that device one side pin set up.

Specifically, the length ratio of the folding strip 4 to the upper pins 2 to the lower pins 5 is 3:3:2, and the length of the folding strip 4 to the upper pins 2 to the lower pins 5 is set, so that the lower pins 5 can be clamped inside the grooves 3 after being folded, the length of the pins can be changed, and welding can be conveniently carried out according to different welding conditions.

Specifically, go up the cross-section of face of weld 6 and be three horn shapes, the welding hole 7 has been seted up to the top bilateral symmetry of going up face of weld 6, goes up the setting in face of weld 6 cross-sections, when carrying out the welded, the tin silk of welding usefulness melts the back, flows to external circuit board through last face of weld 6 on, makes between pin and the external circuit board welded more firm.

Specifically, the section of the lower welding surface 8 is an isosceles trapezoid, and the lower welding surface 8 and the lower pin 5 are of an integral structure; after rotating folding down through to pin 5, make the lower face of weld 8 orientation that 5 one side of lower pin set up change, the pin structure that forms after folding is more stable, 8 one side of face of weld begin to have the both ends of welding hole 7 down simultaneously, make the tin silk melt and flow to integrated circuit board 1 through welding hole 7 on, make between pin and the integrated circuit board 1 fixed.

The working principle is as follows: when the connecting piece for packaging the integrated circuit is used, firstly, the structure of the pin needs to be improved according to the different structures of the circuit on the welding external circuit board, when the connecting piece is normally installed, by corresponding the lower soldering surface 8 arranged at one side of the lower pin 5 to the circuit on the integrated circuit board 1, then the integrated circuit board 1 is fixed with the external circuit board through the pins by welding and fixing through the tin wires, or the lower pin 5 is folded by the folding strip 4, so that the upper welding surface 6 arranged at one side of the lower pin 5 is arranged in the groove 3, the length of the pin arranged at one side of the device is changed, when soldering is then performed, the solder wire is melted and flows through the soldering holes 7 to the integrated circuit board 1 through both ends of the soldering holes 7 on one side of the lower soldering surface 8, so that the pins and the integrated circuit board 1 are fixed, which is not described in detail in this specification, but belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A connector for packaging an integrated circuit, comprising an integrated circuit board (1) and an upper pin (2), characterized in that: one side of the circuit forming board (1) is fixedly connected with an upper pin (2), wherein the upper pin is arranged on the circuit forming board;

the one side of going up pin (2) is seted up fluted (3), keeps away from into circuit board (1) the one end of going up pin (2) is fixed with the one end of connecting folding strip (4), the other end of folding strip (4) is fixed with down pin (5), one side of pin (5) is provided with welding face (6) down, the opposite side of pin (5) is provided with down welding face (8) down, pin (5) run through down and set up welding hole (7), the both ends opening of welding hole (7) sets up respectively on last welding face (6) and lower welding face (8).

2. The connector of claim 1, wherein: the center of the upper pin (2) is provided with a groove (3), and the inner size of the groove (3) is matched with the outer size of the upper welding face (6).

3. The connector of claim 1, wherein: the length ratio of the folding strip (4) to the upper pin (2) to the lower pin (5) is 3:3: 2.

4. The connector of claim 1, wherein: the cross section of the upper welding surface (6) is triangular, and welding holes (7) are symmetrically formed in the two sides of the top end of the upper welding surface (6).

5. The connector of claim 1, wherein: the cross section of the lower welding surface (8) is isosceles trapezoid, and the lower welding surface (8) and the lower pin (5) are of an integral structure.