CN218735154U

CN218735154U - Connector for circuit board and circuit board

Info

Publication number: CN218735154U
Application number: CN202222715001.7U
Authority: CN
Inventors: 张河根; 刘世生; 邓先友; 刘金峰; 李寿义; 林运; 张贤仕; 向付羽
Original assignee: Shennan Circuit Co Ltd
Current assignee: Shennan Circuit Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a connecting piece and circuit board for circuit board, the connecting piece includes: first tectorial membrane, second tectorial membrane, at least one connecting piece body, the second tectorial membrane with first tectorial membrane is followed the thickness direction setting of first tectorial membrane, the connecting piece body is located first tectorial membrane with between the second tectorial membrane, the both ends of connecting piece body stretch out first tectorial membrane with the second tectorial membrane. According to the utility model discloses a connecting piece for circuit board, the simple structure of connecting piece can effectively reduce the manufacturing cost of connecting piece, is convenient for realize the connection of two adjacent circuit boards, improves the convenience and the reliability of connecting, and first tectorial membrane and second tectorial membrane can form the protection to connecting piece body, increase the security that connecting piece body used, increase connecting piece body's life.

Description

Connector for circuit board and circuit board

Technical Field

The utility model belongs to the technical field of the communication technology and specifically relates to a connecting piece and circuit board for circuit board is related to.

Background

The traditional circuit board is formed by pressing a flexible copper clad plate and a film covering material, a copper foil on the copper clad plate material forms a circuit by etching, then a film covering window of a bonding pad is pasted on the circuit to manufacture the circuit, the copper thickness of the circuit is between 0.5 and 2OZ, the main function is to paste an electronic component on the circuit board, but the connection of the two circuit boards needs the film covering to be combined with a connecting golden finger and the like which are supported by the existing base material and used for plugging and unplugging to realize the connection, the manufacturing cost for realizing the circuit board connection is higher, the process is complex, and the yield of the product is lower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a connecting piece for circuit board can be convenient for realize the connection of two circuit boards, improves the efficiency of installation.

Another object of the present invention is to provide a circuit board, which includes the connecting member for circuit board described in the above embodiments.

According to the utility model discloses a connecting piece for circuit board of first aspect embodiment includes: first tectorial membrane, second tectorial membrane, at least one connecting piece body, the second tectorial membrane with first tectorial membrane is followed the thickness direction setting of first tectorial membrane, the connecting piece body is located first tectorial membrane with between the second tectorial membrane, the both ends of connecting piece body are stretched out first tectorial membrane with the second tectorial membrane.

According to the utility model discloses a connecting piece for circuit board, the simple structure of connecting piece can effectively reduce the manufacturing cost of connecting piece, is convenient for realize the connection of two adjacent circuit boards, improves the convenience and the reliability of connecting, and first tectorial membrane and second tectorial membrane can form the protection to connecting piece body, increase the security that connecting piece body used, increase connecting piece body's life.

In some embodiments, the connector body is a wire.

In some embodiments, the connector body has a circular cross-sectional shape, the connector body has a diameter d, and d satisfies: d is more than or equal to 0.5mm and less than or equal to 0.8mm.

In some embodiments, the first cover film and the second cover film each comprise: the connector comprises a polyimide layer and an adhesive layer, wherein the polyimide layer is arranged on one side of the connector body, and the adhesive layer is arranged between the polyimide layer and the connector body.

In some embodiments, the adhesive layer is an epoxy glue.

In some embodiments, the parts of the two ends of the connector body, which extend out of the first coating film, are a first pin and a second pin respectively, and the length of the first pin is L ₁ The length of the second pin is L ₂ Said L is ₁ 、L ₂ Satisfies the following conditions: l is not less than 2mm ₁ ≤10mm，2mm≤L ₂ ≤10mm。

In some embodiments, the connector body is a plurality of connector bodies, each connector body extends along the length direction of the first coating, and the connector bodies are arranged at intervals along the width direction of the first coating.

In some embodiments, the joint is a laminate.

According to the utility model discloses circuit board of second aspect embodiment, include: the circuit board comprises a circuit board body and a connecting piece, wherein the circuit board body comprises a first circuit board and a second circuit board, through holes are formed in the first circuit board and the second circuit board, the connecting piece is used for connecting the circuit boards, and two ends of the connecting piece body of the connecting piece are respectively matched with the through holes of the first circuit board and the through holes of the second circuit board.

In some embodiments, solder paste is disposed in the through hole, and the connecting member is soldered to the circuit board body through the solder paste.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic cross-sectional view of a connector according to an embodiment of the invention.

Fig. 2 is a schematic view of a first membrane and a connector body according to an embodiment of the invention.

Fig. 3 is a schematic diagram of a circuit board and a connector according to an embodiment of the present invention.

Reference numerals:

100. a circuit board;

10. a connecting member; 11. a first coating film; 12. a second coating film; 13. a connector body; 131. a first pin; 132. a second pin; 14. a polyimide layer; 15. an adhesive layer;

20. a circuit board body; 21. a first circuit board; 22. a second circuit board; 23. a through hole; 24. tin paste;

A. a thickness direction; B. and (4) the length direction.

Detailed Description

Embodiments of the present invention are described in detail below, the embodiments described with reference to the drawings are exemplary, and the connecting member 10 for the circuit board 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3, including: a first coating 11, a second coating 12, at least one connector body 13.

Specifically, as shown in fig. 1, the second coating 12 and the first coating 11 are provided along the thickness direction a of the first coating 11, the connector body 13 is provided between the first coating 11 and the second coating 12, and both ends of the connector body 13 extend out of the first coating 11 and the second coating 12. For example, in the thickness direction a of the first coating film 11, the connector body 13, and the second coating film 12 are sequentially disposed, and the connector body 13 extends out of the first coating film 11 and the second coating film 12 in the length direction B of the first coating film 11, and when the connector 10 connects two adjacent circuit boards 100, both ends of the connector 10 extending out of the first coating film 11 are respectively connected to the two adjacent circuit boards 100.

According to the utility model discloses a connecting piece 10 for circuit board 100, connecting piece 10's simple structure can effectively reduce the manufacturing cost of connecting piece 10, is convenient for realize two adjacent circuit board 100's connection, improves the convenience and the reliability of connecting, and first tectorial membrane 11 and second tectorial membrane 12 can form the protection to connecting piece body 13, increase the security that connecting piece body 13 used, increase connecting piece body 13's life.

In some embodiments, the connector body 13 is a wire. The material of the wire may be copper or aluminum. From this, the setting of connector body 13 can be convenient for connector body 13 for the wire to make first tectorial membrane 11 and second tectorial membrane 12 can be better form the cover to connector body 13, increase the stability of being connected between protection and the adjacent two circuit boards 100 to connector body 13, and make and keep higher transmission efficiency between two circuit boards 100.

In some embodiments, the cross-sectional shape of the connector body 13 is circular, the connector body 13 has a diameter d, d satisfying: d is more than or equal to 0.5mm and less than or equal to 0.8mm. If d is less than 0.5mm, the conductive performance of the connecting piece body 13 may be poor due to the small diameter of the connecting piece body 13, and the reliability of the structure of the connecting piece 10 including the connecting piece body 13 is low; if d is greater than 0.8mm, the diameter of the connector body 13 may be large, and the structural strength of the connector body 13 is high, so that the connector body 13 is not easily deformed, which affects the convenience of connecting the connector 10 with the circuit board 100 and may result in high manufacturing cost of the connector 10. For example, d =0.6mm. Thereby, the shape of the connector body 13 is controlled and the diameter of the connector body 13 is defined so that the connector body 13 maintains good structural strength while satisfying electrical conductivity.

In some embodiments, as shown in fig. 1, the first and

second cover films

11 and 12 each include: polyimide layer 14, adhesive linkage 15, polyimide layer 14 locates one side of the body 13 of the connecting piece, the adhesive linkage 15 locates between polyimide layer 14 and body 13 of the connecting piece. That is, along the direction in which the thickness of the first coating 11 faces away from the connector body 13, the polyimide layer 14 and the adhesive layer 15 are respectively disposed on both sides of the connector body 13, the adhesive layer 15 is disposed on the side of the polyimide layer 14 adjacent to the connector body 13, the connector body 13 is disposed between the adhesive layers 15 of the first coating 11 and the second coating 12, and the adhesive layer 15 adheres to the polyimide layer 14 while adhering to the connector body 13, so that the first coating 11, the second coating 12, and the connector body 13 can be connected. Thus, the first coating film 11 and the second coating film 12 comprise the polyimide layer 14 and the adhesive layer 15, so that the good insulation and corrosion resistance of the polyimide are utilized to increase the protection of the connector body 13 by the first coating film 11 and the second coating film 12, so that the connector body 13 has good insulation and corrosion resistance, and the use safety of the connector 10 is increased. Meanwhile, the provision of the adhesive layer 15 facilitates the connection of the first and

second coatings

11 and 12 to the connector body 13, facilitating the formation of the connector 10.

Optionally, the adhesive layer 15 is an epoxy glue. The epoxy adhesive is convenient to cure, has various forms and has good adhesion. Therefore, the adhesive layer 15 is epoxy glue, which can facilitate curing and adhesion of the first and

second coating films

11 and 12 and the connector body 13, so that the connector 10 has high stability.

In some embodiments, as shown in fig. 2, the portions of the two ends of the connector body 13 extending out of the first coating film 11 are a first pin 131 and a second pin 132, respectively, and the length of the first pin 131 is L ₁ The length of the second lead 132 is L ₂ ，L ₁ 、L ₂ Satisfies the following conditions: l is not less than 2mm ₁ ≤10mm，2mm≤L ₂ Less than or equal to 10mm. For example, L ₁ ＝5mm，L ₂ =5mm. If the lengths of the first pin 131 and the second pin 132 are less than 2mm, the lengths of the first pin 131 and the second pin 132 may be reduced, and the reliability of the connector 10 when connected to the circuit board 100 may be reduced; if the lengths of the first pin 131 and the second pin 132 are greater than 10mm, it may happen that the connector 10 protrudes out of the side of the circuit board 100 away from the connector 10 when being connected to the circuit board 100 due to the greater lengths of the first pin 131 and the second pin 132, which may affect the installation of other systems on the circuit board 100. Thus, the lengths of the first and

second leads

131 and 132 are defined so that the first and

second leads

131 and 132 can facilitate the connection of the connector 10 to the circuit board 100 while avoiding the first and

second leads

131 and 132 from interfering with the installation of other systems on the circuit board 100.

In some embodiments, referring to fig. 2, the connector body 13 is plural, the plural connector bodies 13 each extend in the length direction B of the first film 11, and the plural connector bodies 13 are provided at intervals in the width direction of the first film 11. Thus, by providing the plurality of connector bodies 13 between the first coating film 11 and the second coating film 12, the signal transmission capability of the connector 10 can be increased to improve the reliability and rate of signal transmission between the two circuit boards 100 connected by the connector 10.

In some embodiments, as shown in fig. 1, the joint 10 is a laminate. That is, in the thickness direction a of the first cover film 11, the second cover film 12, and the connector body 13 are formed by a lamination process such that the first cover film 11, the second cover film 12, and the connector body 13 are laminated to integrally form a laminate. Therefore, the connector 10 is a laminated piece, the process for forming the connector 10 is simple, the production efficiency of the connector 10 is improved, the structural strength of the connector 10 is high, and the reliability of connection between the connector 10 and the circuit board 100 is improved.

According to the circuit board 100 of the embodiment of the second aspect of the present invention, in conjunction with fig. 1 to 3, the circuit board 100 includes: the circuit board comprises a circuit board body 20 and a connector 10, wherein the circuit board body 20 comprises a first circuit board 21 and a second circuit board 22, through holes 23 are formed in the first circuit board 21 and the second circuit board 22, the connector 10 is the connector 10 for the circuit board 100 in any one of the above embodiments, and two ends of a connector body 13 of the connector 10 are respectively matched with the through holes 23 of the first circuit board 21 and the through holes 23 of the second circuit board 22.

It can be understood that the circuit board 100 includes a first circuit board 21 and a second circuit board 22, the first circuit board 21 and the second circuit board 22 are adjacent to each other, and the through hole 23 formed at the end of the first circuit board 21 adjacent to the second circuit board 22 is a first through hole 23, the through hole 23 formed at the end of the second circuit board 22 adjacent to the first circuit board 21 is a second through hole 23, the first pin 131 of the connector 10 is matched with the first through hole 23, and the second pin 132 of the connector 10 is matched with the second through hole 23, so that the signal transmission between the first circuit board 21 and the second circuit board 22 is realized through the connector 10. The first pin 131 can be inserted into the first through hole 23, and the second pin 132 can be inserted into the second through hole 23.

Therefore, the through holes 23 are respectively formed in the first circuit board 21 and the second circuit board 22, so that the connector 10 is matched with the through holes 23 through the first pins 131 and the second pins 132, the connector 10 is connected with the first circuit board 21 and the second circuit board 22, the two circuit boards 100 are connected, the structure is simple, the reliability and the voltage resistance are good, the stability of signal transmission between the two circuit boards 100 can be ensured, and the yield of the circuit boards 100 is improved.

In some embodiments, as shown in fig. 3, the through hole 23 is filled with solder paste 24, and the connector 10 and the circuit board body 20 are soldered by the solder paste 24. The solder paste 24 in the through holes 23 can be filled in the through holes 23 by a scraping method, the first pins 131 and the second pins 132 of the connector 10 are respectively matched with the through holes 23 arranged on the first circuit board 21 and the second circuit board 22, and the solder paste 24 is heated to cure the solder paste 24 so that the pins are fixed in the through holes 23 to realize the connection between the connector 10 and the circuit board 100. Therefore, the soldering mode of the solder paste 24 is simple and quick, and the pressure resistance of the joint of the connecting piece 10 and the circuit board 100 can be increased, so that the circuit board 100 and the connecting piece 10 have good conductive capability, and the soldering cost of the connecting piece 10 and the circuit board 100 is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A connector for a circuit board, comprising:

a first coating film;

a second coating film provided along a thickness direction of the first coating film together with the first coating film;

the connecting piece body is arranged between the first coating and the second coating, and two ends of the connecting piece body extend out of the first coating and the second coating.

2. The connector for circuit boards of claim 1 wherein said connector body is a wire.

3. The connector for circuit board according to claim 1, wherein the cross-sectional shape of the connector body is circular, the connector body has a diameter d, and d satisfies: d is more than or equal to 0.5mm and less than or equal to 0.8mm.

4. The connector for a circuit board according to claim 1, wherein the first coating film and the second coating film each comprise:

the polyimide layer is arranged on one side of the connecting piece body;

an adhesive layer disposed between the polyimide layer and the connector body.

5. The connector for circuit board of claim 4, wherein said adhesive layer is an epoxy glue.

6. The connector for circuit board according to claim 1, wherein the portions of the two ends of the connector body extending out of the first coating film are a first pin and a second pin, respectively, and the length of the first pin is L ₁ The length of the second pin is L ₂ Said L is ₁ 、L ₂ Satisfies the following conditions: l is not less than 2mm ₁ ≤10mm，2mm≤L ₂ ≤10mm。

7. The connector for a circuit board according to claim 1, wherein the connector body is plural, the plural connector bodies each extend in a length direction of the first coating film, and the plural connector bodies are provided at intervals in a width direction of the first coating film.

8. The connector for circuit boards of any of claims 1-7 wherein the connector is a laminate.

9. A circuit board, comprising:

the circuit board comprises a circuit board body, a first circuit board and a second circuit board, wherein through holes are formed in the first circuit board and the second circuit board;

a connector for circuit boards according to any one of claims 1 to 8, wherein both ends of a connector body of the connector are respectively fitted with the through-holes of the first circuit board and the second circuit board.

10. The circuit board of claim 9, wherein a solder paste is disposed in the through hole, and the connecting member is soldered to the circuit board body by the solder paste.