CN202603044U - Connection type circuit board - Google Patents

Abstract

The utility model provides a circuit board of connected form, the circuit board of this connected form includes: the circuit board comprises a first circuit board, a second circuit board, a film circuit and a fixing component. The first and the second circuit boards are provided with metal circuits for connecting electronic parts, and the metal circuits extend to the first and the second connecting parts arranged at one ends of the first and the second circuit boards. The thin film circuit has a first and a second connection end for connecting the first and the second connection portions. And then the fixing component is arranged between the first circuit board and the second circuit board, so that the first circuit board and the second circuit board cannot shake to break the film circuit, and the film circuit can transmit signals between the first circuit board and the second circuit board.

Description

connected circuit board

technical field

The utility model relates to a circuit board, in particular to a connecting circuit board connected by a film printed circuit.

Background technique

The circuit board is used to assemble many electronic parts of different specifications, and use the copper foil metal line on the circuit board to connect each electronic part to form a circuit with specific functions. After applying the working voltage on the circuit board of the circuit, After the voltage is passed through the metal lines connecting each electronic component, the circuit can perform a specific function.

In recent years, with the continuous advancement of science and technology, many circuits have been made into modular circuits, which can be purchased by users or manufacturers according to the design requirements, and these circuits can be combined to produce a single function or Device with multiple functions. After these modular circuits (for example, main control circuit board, power supply, hard disk, input/output interface and display) are assembled inside the housing, the circuit boards of these modular circuits have a set of male and female connectors. The connector terminals are plugged into the connector terminals of the circuit board by means of flat cables with male and female connectors, so that each circuit board of the modular circuit can achieve signal transmission.

Since the circuit boards of these modular circuits are connected by cables, the transmission of signals can be achieved, but the use of connector terminals, cables and other parts of the male and female connectors increases, resulting in an increase in production costs, which makes the internal wiring of the housing It is more complicated and disorderly, which hinders the heat convection inside the shell and affects the heat dissipation effect.

Utility model content

In view of this, the main purpose of the utility model is to solve the traditional shortcomings. The utility model can reduce the usage of connector terminals, cables and other parts, thereby reducing the production cost and improving the heat dissipation effect.

In view of this, another purpose of the present invention is to make the production of the circuit board easier and save time and process.

In order to achieve the above object, the utility model provides a connection type circuit board for electrically connecting electronic components, the connection type circuit board includes: a first circuit board, on which there are two or more connections connecting the electronic components A metal circuit, the metal circuit extending from two or more first connecting parts on one end of the first circuit board; a second circuit board, having two or more metal circuits connected to the electronic parts, the metal circuit There are more than two second connecting parts extending on one end of the second circuit board; a thin-film line has a thin-film layer on it, and there are more than two metal wires inside the thin-film layer, and the two ends of the metal wires respectively have the first A connection end and a second connection end, the first connection end and the second connection end are exposed outside the film layer, respectively connected to the first connection portion of the first circuit board and the second circuit board The second connecting part is electrically connected.

Wherein, the first circuit board and the second circuit board are glass fiber boards.

Wherein, the first circuit board includes a first positioning hole, and the second circuit board includes a second positioning hole.

Wherein, the metal circuit is copper foil.

Wherein, the first connecting portion and the second connecting portion are golden fingers.

Wherein, the thin film circuit is a flexible thin film printed circuit.

Wherein, the film layer is insulating plastic.

Wherein, the connected circuit board also includes a fixing component, the fixing component is in an inverted U shape with two ends, and the fixing component is fixedly connected to the first positioning hole and the first positioning hole of the first circuit board. In the second positioning hole of the second circuit board, two ends of the fixing component abut against the other surfaces of the first circuit board and the second circuit board.

Wherein, the first circuit board has a first installation hole, and the second circuit board has a second installation hole.

Wherein, the connected circuit board also includes a fixing assembly, and the fixing assembly includes: a support body, the two ends of which respectively have threaded parts, and the threaded parts pass through the first installation hole of the first circuit board and the second mounting hole of the second circuit board; the gasket has a perforation on it, the threaded part passes through the first mounting hole and the second mounting hole, and the gasket has a The perforation is sleeved on the threaded part and cushioned on the first circuit board and the second circuit board; at least one nut is screwed on the threaded part.

Wherein, the gasket is a rubber sheet.

Compared with the prior art, the utility model utilizes flexible thin-film lines to electrically connect two or more circuit boards, which can reduce the usage of connector terminals, cables and other parts, reduce the production cost, and allow the internal wiring of the housing to It is simpler and increases the heat convection effect inside the shell, thereby improving the heat dissipation effect. In addition, when producing circuit boards, the utility model can first electrically connect one end of the thin-film circuit to one of the circuit boards, and then electrically connect the unconnected end of the thin-film circuit to the other circuit board during subsequent processing. The permanent connection makes it easier to save man-hours and processes in the production of circuit boards.

Description of drawings

Fig. 1 is the exploded schematic view of the connected circuit board of the present utility model;

Fig. 2 is the combined schematic diagram of the connected circuit board of the present utility model;

Fig. 3 is a combined top view diagram of the connected circuit board of the present invention;

Fig. 4 is a schematic side view of a connected circuit board of the present invention;

Fig. 5 is a schematic diagram of another embodiment of the present invention.

Explanation of reference signs

The first circuit board 1 metal line 11

The first connecting part 12 The first positioning hole 13

The first mounting hole 14 The second circuit board 2

Metal line 21 Second connection part 22

The second positioning hole 23 The second mounting hole 24

Thin film line 3 Thin film layer 31

Metal wire 32 First connection end 321

The second connection end 322 fixed component 4

End 41 Fixed component 5

Support body 51 Threaded part 511

Spacer 52 Perforation 521

Nut 53

Detailed ways

The detailed description and technical content of the present utility model will be described as follows with the accompanying drawings, but the attached drawings are only for illustration purposes, and are not intended to limit the present utility model.

Please refer to FIG. 1 , which is an exploded schematic view of the connected circuit board of the present invention. As shown in the figure: the connected circuit board of the present invention includes: a first circuit board 1 , a second circuit board 2 , a thin film circuit 3 and a fixing component 4 .

The first circuit board 1 is a glass fiber board with more than two metal lines 11 connected to electronic parts (not shown in the figure), and the metal lines 11 extend from the two metal lines 11 on one end of the first circuit board 1 . Above the first connecting portion 12 , the first circuit board 1 includes a first positioning hole 13 . In this figure, the metal wiring 11 is copper foil. The first connecting portion 12 is a golden finger.

The second circuit board 2 is a glass fiber board with more than two metal lines 21 connected to electronic parts (not shown in the figure), and the metal lines 21 extend from the two metal lines 21 on one end of the second circuit board 2 . Above the second connecting portion 22 , the second circuit board 2 includes a second positioning hole 23 . In this figure, the second connecting portion 22 is a golden finger.

The film circuit 3 is a flexible film printed circuit, on which there is a film layer 31 made of insulating plastic, and the film layer 31 is covered with two or more metal wires 32, and the two ends of the metal wire 32 respectively have a second A connection end 321 and a second connection end 322, the first connection end 321 and the second connection end 322 are exposed outside the film layer 31, respectively connected to the first connection portion 12 and the second connection portion 12 of the first circuit board 1 The second connecting portion 22 of the circuit board 2 is electrically connected.

The fixing component 4 is in an inverted U shape, fixed between the first positioning hole 13 and the second positioning hole 23 at one end of the first circuit board 1 and the second circuit board 2, and passing through the fixing component 4 After the first positioning hole 13 and the second positioning hole 23, bend the two ends 41 of the fixing component 4, so that the two ends 41 of the fixing component 4 support the first circuit board 1 and the second circuit board 1. The other side of the circuit board 2 prevents any shaking between the first circuit board 1 and the second circuit board 2 .

Please refer to FIG. 2 , FIG. 3 and FIG. 4 , which are respectively a combined schematic diagram, a top view schematic diagram and a side view schematic diagram of the connected circuit board of the present invention. As shown in the figure: after the electronic parts (not shown) on the first circuit board 1 and the second circuit board 2 are electrically fixed, the first connecting end 321 of the thin film circuit 3 is electrically connected to the On the first connecting portion 12 of the first circuit board 1, the second connecting end 322 of the thin film circuit 3 is electrically connected to the second connecting portion 22 of the second circuit board 2, so that the first circuit board 1 and the Signals between the second circuit boards 2 can be transmitted to each other.

The thin film circuit 3 is used to electrically connect the first circuit board 1 and the second circuit board 2, which can save the use of connector terminals, flat cables and other parts of the traditional male and female joints, so as to reduce the production cost and make the assembly of the first The inner wiring of the casing of the circuit board 1 and the second circuit board 2 is simpler, so that the heat convection effect inside the casing is better, thereby increasing the heat dissipation effect. Moreover, when producing the first circuit board 1 or the second circuit board 2, one end of the thin-film circuit 3 can be electrically connected to the first circuit board 1 or the second circuit board 2, and in subsequent processing , and then electrically connect the non-electrically connected end of the thin film circuit 3 to the first circuit board 1 or the second circuit board 2, so that the production of the circuit board is easier to save man-hours and processes.

After the first circuit board 1 and the second circuit board 2 are electrically connected to the thin film circuit 3, a fixing component 4 is fixedly connected between one end of the first circuit board 1 and the second circuit board 2. The component 4 can prevent the film circuit 3 from being broken due to movement or shaking between the first circuit board 1 and the second circuit board 2 .

Please refer to FIG. 5 , which is a schematic diagram of another embodiment of the present invention. As shown in the figure: another fixing assembly 5 is disclosed in this embodiment, and the fixing assembly 5 includes: a support body 51 , a washer 52 and at least one nut 53 .

Two ends of the supporting body 51 respectively have threaded portions 511 , and the threaded portions 511 pass through the first installation hole 14 on the first circuit board 1 and the second installation hole 24 on the second circuit board 2 .

The gasket 52 is a rubber sheet with a perforated hole 521. After the threaded portion 511 passes through the first mounting hole 14 and the second mounting hole 24, the perforated hole 521 of the gasket 52 is placed on the threaded portion 511. It is then placed on the first circuit board 1 and the second circuit board 2 .

The nut 53 is screwed on the threaded portion 511 to fix the two gaskets 52 and the first circuit board 1 and the second circuit board 2 .

When the first circuit board 1 and the second circuit board 2 are installed in the internal space of the electronic device is limited, the first and second circuit boards 1, 2 can be stacked correspondingly, and the two ends of the support body 51 The threaded portion 511 passes through the first mounting hole 14 on the first circuit board 1 and the second mounting hole 24 on the second circuit board 2, and then the through hole 521 of the gasket 52 is placed on the thread part 511 and pad on the first circuit board 1 and the second circuit board 2, and finally screw the nut 53 on the threaded part 511, so that the first circuit board 1 and the second circuit board The circuit board 2 forms a stack connection.

The above descriptions are only specific descriptions of preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any other equivalent transformations shall fall within the scope of the claims of the present application.

Claims (11)

1. the circuit board of an interconnection system is characterized in that, in order to electrically connect electronic component, the circuit board of this interconnection system comprises:

First circuit board has the metallic circuit that connects said electronic component more than two on it, this metallic circuit extends first connecting portion more than two that has on the end of said first circuit board;

Second circuit board has the metallic circuit that connects said electronic component more than two on it, this metallic circuit extends second connecting portion more than two that has on the end of said second circuit board;

Wiring thin film; Has thin layer on it; This thin layer inside has two above metal wires; The two ends of this metal wire have first link and second link respectively, and this first link and this second link expose to outside the said thin layer, electrically connect with said first connecting portion of said first circuit board and said second connecting portion of said second circuit board respectively.

2. the circuit board of interconnection system as claimed in claim 1 is characterized in that, said first circuit board and said second circuit board are glass mat.

3. the circuit board of interconnection system as claimed in claim 2 is characterized in that, includes first location hole on the said first circuit board, includes second location hole on the said second circuit board.

4. the circuit board of interconnection system as claimed in claim 3 is characterized in that, said metallic circuit is a Copper Foil.

5. the circuit board of interconnection system as claimed in claim 4 is characterized in that, said first connecting portion and said second connecting portion are golden finger.

6. the circuit board of interconnection system as claimed in claim 5 is characterized in that, said wiring thin film is soft film printing circuit.

7. the circuit board of interconnection system as claimed in claim 6 is characterized in that, said thin layer is an ambroin.

8. the circuit board of interconnection system as claimed in claim 7; It is characterized in that; The circuit board of this interconnection system also includes fixation kit, and this fixation kit is inverted U-shaped, two ends of tool on it; This fixation kit is fixed in said second location hole of said first location hole and said second circuit board of said first circuit board, and two ends of this fixation kit peak at the another side of said first circuit board and said second circuit board.

9. the circuit board of interconnection system as claimed in claim 6 is characterized in that, has first installing hole on the said first circuit board, has second installing hole on the said second circuit board.

10. the circuit board of interconnection system as claimed in claim 9 is characterized in that, the circuit board of this interconnection system also includes fixation kit, and this fixation kit comprises:

Supporter, the two ends on it have the threaded portion respectively, and said first installing hole of said first circuit board and said second installing hole of said second circuit board are passed in this threaded portion;

Pad has perforation on it, said first installing hole and said second installing hole are passed in said threaded portion, and the said perforation of said pad is placed in said threaded portion and fills up on said first circuit board and said second circuit board;

At least one nut is bolted on the said threaded portion.

11. the circuit board of interconnection system as claimed in claim 10 is characterized in that, said pad is a sheet rubber.

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