CN213425212U

CN213425212U - Conductive support member and circuit board connecting structure

Info

Publication number: CN213425212U
Application number: CN202022069629.5U
Authority: CN
Inventors: 潘江陵; 李永红; 邢军; 李松明
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-11
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a conductive support piece, including the rigid conductor, the rigid conductor has two connecting portion that are used for being connected with the circuit board electricity at least. Only adopt the utility model discloses in the electric connection and mutual positioning between the electrically conductive support piece of disclosing can realizing the adjacent circuit board, the actual operation process is simple, and spare part between two adjacent circuit boards is showing and is reducing, and the installation is consuming time low, has effectively improved production efficiency, therefore has also reduced manufacturing cost. The utility model also discloses a circuit board connection structure who includes this electrically conductive support piece.

Description

Conductive support member and circuit board connecting structure

Technical Field

The utility model relates to a circuit board design installation technical field, in particular to electrically conductive support piece and circuit board connection structure.

Background

In the design and manufacture of various products containing circuit boards, problems of electrical connection and mutual fixing of the two circuit boards are often encountered. At present, a common method is to connect two adjacent circuit boards by a circuit to achieve circuit conduction, and then add a positioning device to achieve relative fixation of the mounting position between the two circuit boards.

Although the purpose of fixing and electrically connecting the two circuit boards can be achieved by the mode, the mounting steps and parts are multiple, the circuit between the two circuit boards needs to be welded and fixed firstly in the production process, and then the two circuit boards are mounted on the positioning device respectively, so that the production process is long in time consumption, low in production efficiency and high in production cost.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a conductive supporting member to realize the relative fixation and conductive connection between two circuit boards in a simple manner, so as to achieve the purposes of reducing the assembly time, improving the production efficiency and reducing the production cost.

Another object of the present invention is to provide a circuit board connecting structure including the above conductive supporting member.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrically conductive support comprises a rigid conductor having at least two connection portions for electrical connection to a circuit board.

Preferably, the rigid conductor is a metal rod.

Preferably, at least one of the connection parts is a screw with an external thread for connecting with an internal thread connection part on the circuit board.

Preferably, a spring washer mounted on the rigid conductor is further arranged at a position close to the screw, and a flat gasket used for being pressed between the internal thread connecting piece and the spring washer is further sleeved on the screw.

Preferably, the connection position of the rigid conductor and the screw rod is provided with a tool withdrawal groove, the spring washer and the flat gasket are sleeved at the tool withdrawal groove and are integrated with the rigid conductor, and the thread on the screw rod and the end part of the rigid conductor can limit the spring washer and the flat gasket from falling off.

Preferably, at least one of the connection portions is a threaded hole for connecting the circuit board to the rigid conductor by a screw.

The utility model discloses a circuit board connection structure, including two at least circuit boards and at least one electrically conductive support piece, electrically conductive support piece includes the rigid conductor, and arbitrary one the rigid conductor have at least two be used for with the connecting portion that the circuit board electricity is connected, wherein, arbitrary one the circuit board is at least with one the connecting portion electricity is connected and by at least one electrically conductive support piece supports.

Preferably, at least one of the circuit boards is provided with a welding terminal, the welding terminal is provided with a terminal threaded hole, and the connecting part matched with the welding terminal is a screw with an external thread.

Preferably, a spring washer fixed on the rigid conductor is further arranged at a position close to the screw, and a flat gasket pressed between the welding terminal and the spring washer is further sleeved on the screw.

Preferably, the connector further comprises a connecting cable, a connecting lug is arranged at the end of the connecting cable, and the connecting lug is sleeved on the screw rod and pressed between the welding terminal and the flat pad to realize the electrical connection with the rigid conductor.

Preferably, at least one of the circuit boards is provided with a connecting through hole, a conductive metal thin plate is laid around the connecting through hole, the connecting part matched with the connecting through hole is a conductor threaded hole, and the circuit board connecting structure further comprises a fastening screw which penetrates through the connecting through hole and then is fastened in the conductor threaded hole, so that the circuit board is electrically connected with the rigid conductor through the conductive metal thin plate.

Preferably, a spring washer and a flat pad are further arranged between the nut of the fastening screw and the circuit board, wherein the flat pad is in contact with the circuit board, and the spring washer is in contact with the nut.

Preferably, the rigid conductor has a circular or polygonal cross-section.

Preferably, the outer surface of the rigid conductor is further provided with an insulating outer cladding.

The utility model discloses in among the conductive support piece disclosed, including the rigid conductor to the rigid conductor has two connecting portion that are used for being connected with the circuit board electricity at least, when actually carrying out the circuit board and connecting, the circuit board with the difference carries out the electricity with the different connecting portion of this rigid conductor respectively and is connected and can realize the circuit connection between the different circuit boards, simultaneously because this conductor is the rigid conductor, it itself can support the circuit board, can play the effect of fixed and limiting position to adjacent circuit board, consequently, only adopts the utility model discloses in conductive support piece can realize the electricity between the adjacent circuit board and fix a position each other, actual operation process is simple, spare part between two adjacent circuit boards is showing and is reducing, installs consuming time lowly, has effectively improved production efficiency, therefore has also reduced manufacturing cost.

The utility model discloses a circuit board among the circuit board connection structure disclosed realizes the electricity through above-mentioned electrically conductive support piece and connects and support, therefore this circuit board connection structure has above-mentioned advantage equally, and this is no longer repeated here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a conductive supporting member disclosed in an embodiment of the present invention;

fig. 2 is an exploded view of a circuit board connection structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of the circuit board connection structure disclosed in FIG. 2 after connection is completed;

fig. 4 is an exploded view of a circuit board connection structure according to another embodiment of the present invention;

fig. 5 is a schematic view of the circuit board connection structure disclosed in fig. 4 after connection is completed.

The drawings are numbered as follows:

the structure comprises a rigid conductor 1, a spring washer 2, a flat pad 3, a circuit board 4, a fastening screw 5, a connecting cable 6, a screw rod 11, a conductor threaded hole 12, a welding terminal 41 and a wiring nose 61.

Detailed Description

One of the cores of the utility model is to provide a conductive support element to can realize the relatively fixed and conductive connection between two circuit boards with succinct mode, reach the purpose that reduces the equipment time, improves production efficiency and reduction in production cost.

Another core of the present invention is to provide a circuit board connection structure including the above conductive supporting member.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the conductive supporting member disclosed in the present embodiment includes a rigid conductor 1, and the rigid conductor 1 has at least two connecting portions for electrically connecting with a circuit board 4.

When actually carrying out the circuit board connection, carry out the electricity with the circuit board 4 of difference and the connecting portion that this rigid conductor 1 is different respectively and be connected and can realize the circuit connection between the different circuit boards 4, simultaneously because this conductor is rigid conductor 1, it itself can support circuit board 4, can play the effect of fixed and limiting position to adjacent circuit board 4, consequently, only adopts the utility model discloses a conductive support piece can realize the electricity between the adjacent circuit board 4 and connect and mutual positioning, and the actual operation process is simple, and spare part between two adjacent circuit boards 4 is showing and is reducing, installs consuming time lowly, has effectively improved production efficiency, therefore has also reduced manufacturing cost.

The conductive support is specifically described by taking two connecting portions as an example, it should be understood that the number of the connecting portions in this document should not be limited to two, and the conductive support with two connecting portions is merely described as an example herein.

The conductive support member shown in fig. 1 has two connecting parts respectively located at two ends of the conductive support member, the rigid conductor 1 can be a metal rigid conductor or a nonmetal rigid conductor, and from the viewpoint of cost and production convenience, a metal rod is preferably used as the rigid conductor 1, and the connecting part at one end of the rigid conductor 1 is a screw 11 with an external thread so as to be used for connecting with an internal thread connecting part on the circuit board 4; the connection at the other end is a threaded hole for connecting the circuit board 4 to the rigid conductor 1 by means of a fastening screw 5. Of course, the connecting portion may be located at other positions of the conductive support member besides the two ends of the conductive support member.

Further, one end of the screw 11 as the connecting part further comprises a spring washer 2 and a flat pad 3, as shown in fig. 1, the spring washer 2 is disposed near the screw 11, and the spring washer 2 is fixed on the rigid conductor 1, after the connection is completed, the flat pad 3 will be pressed between the internal thread connecting piece on the circuit board 4 and the spring washer 2, thereby preventing the screw 11 from loosening.

The shape of the rigid conductor 1 itself is not limited, and the cross section shape thereof may be circular or polygonal, and considering the adaptability with the installation tool, the cross section of the rigid conductor 1 may be designed to be hexagonal, and as a preferable mode, an insulating outer cladding layer may be further sleeved outside the rigid conductor 1, and the type of the material of the insulating outer cladding layer is not limited, and may be, for example, plastic or rubber.

As shown in fig. 2 and fig. 3, the embodiment of the present invention also discloses a circuit board connection structure, which includes at least two circuit boards 4 and at least one conductive supporting member, each of the conductive supporting members includes a rigid conductor 1, and each of the rigid conductors 1 has at least two connecting portions for electrically connecting with the circuit boards 4, any one of the circuit boards 4 is electrically connected with at least one of the connecting portions, and any one of the circuit boards 4 is supported by at least one of the conductive supporting members.

As will be understood by those skilled in the art, the circuit connection between different circuit boards 4 can be realized by electrically connecting different circuit boards 4 with different connecting portions of the rigid conductor 1, and meanwhile, since the conductor is the rigid conductor 1, the conductor can support the circuit boards 4, and each circuit board 4 is supported by at least one conductive supporting member, the position between the adjacent circuit boards 4 is also relatively fixed. Compared with the circuit board connecting structure in the prior art, the circuit board connecting structure in the embodiment is simple in assembling process, parts between two adjacent circuit boards 4 are obviously reduced, the installation time is low, the production efficiency is effectively improved, and the production cost is reduced.

Specifically describing the circuit board connection structure illustrated in fig. 4 and 5, it should be understood by those skilled in the art that the circuit board connection structure illustrated in fig. 4 and 5 is only a specific implementation manner, and the shape and number of the circuit boards 4 and the shape and number of the conductive support members should not limit the scope of the present invention.

The circuit board connection structure shown in fig. 4 and 5 includes two circuit boards 4 and three conductive supporting members, the conductive supporting members include rigid conductors 1, and two ends of each rigid conductor 1 are respectively provided with a connecting portion, one of the connecting portions is a screw 11 with an external thread, the other connecting portion is a conductor threaded hole 12 opened on the rigid conductor 1, one of the circuit boards is provided with a welding terminal 41 (i.e., an internal thread connecting member), the welding terminal 41 is electrically connected with the circuit board 4, and the welding terminal 41 is provided with a terminal threaded hole adapted to the screw 11; the other circuit board 4 is provided with a connecting through hole;

when the circuit board connecting structure is assembled, the screw 11 on the conductive supporting piece is screwed in the terminal threaded hole, so that the conductive supporting piece is electrically connected with the welding terminal 41; then, a conductive metal thin plate (such as a conductive copper foil) is laid around the other circuit board 4, and the circuit board 4 laid with the conductive metal thin plate is placed at the end of the rigid conductor 1 provided with the conductor threaded hole 12, and the conductor threaded hole 12 is aligned with the connection through hole, and then the fastening screw 5 is passed through the connection through hole and fastened in the conductor threaded hole 12, so that the circuit board 4 is electrically connected with the rigid conductor 1 through the conductive metal thin plate; to this end, the two circuit boards 4 are electrically connected through the conductive support member, and are supported by the conductive support member, so that the two circuit boards 4 are fixed relative to each other.

In the actual production process, the circuit parts which are easy to damage or need to be replaced frequently are extracted separately to form the independent circuit board 4, and the circuit board 4 is connected with other circuit boards 4 through the conductive supporting member, so that the circuit board 4 which is easy to damage or needs to be replaced frequently can be replaced rapidly.

As will be understood with reference to fig. 1, 4 and 5, in order to further optimize the solution for preventing the connection position between the conductive supporting member and the circuit board 4 from being loosened, in the circuit board connection structure disclosed in this embodiment, the conductive support is also provided with a spring washer 2 and a flat pad 3 at a position close to the screw rod 11, actually, the screw rod 11 is provided with a tool withdrawal groove at a position connected with the rigid conductor 1, the tool withdrawal groove is not provided with threads, the spring washer 2 and the flat pad 3 are both sleeved at the tool withdrawal groove and are integrated with the conductive support, the end part of the rigid conductor 1 and the threads of the screw rod 11 can limit the spring washer 2 and the flat pad 3 from falling off, after the screw 11 is screwed onto the solder terminal 41, the flat gasket 3 is pressed between the solder terminal 41 and the spring washer 2, the spring washer 2 is pre-tensioned by the flat gasket 3 and the end of the rigid conductor 1, so that the connection position of the screw 11 of the conductive supporter and the soldering terminal 41 can be effectively prevented from being loosened.

As a further preferable scheme, a spring washer 2 and a flat pad 3 are also provided between the nut of the fastening screw 5 and the circuit board 4, as shown in fig. 4, after the fastening screw 5 is screwed on the conductor screw hole 12, the flat pad 3 is in contact with the circuit board 4, the spring washer 2 is in contact with the nut, and the flat pad 3 is squeezed between the spring washer 2, so that the connection position of the fastening screw 5 and the conductor screw hole 12 can be effectively prevented from being loosened.

In one embodiment, the circuit board connection structure further includes a connection cable 6, as shown in fig. 2 and 3, an end of the connection cable 6 is provided with a wire connecting nose 61, the wire connecting nose 61 is sleeved on the screw 11 through a through hole formed in the screw 11, and after the screw 11 is screwed on the soldering terminal 41, the wire connecting nose 61 is pressed between the soldering terminal 41 and the flat pad 3 to electrically connect the wire connecting nose 61 with the conductive support and the circuit board 4.

It will be understood by those skilled in the art that the cross-sectional shape of the rigid conductor 1 does not affect its conductive and supporting properties, so the cross-section of the rigid conductor 1 may be circular or polygonal, and the cross-section of the rigid conductor 1 may be hexagonal in consideration of the adaptability to existing tools, and as a preferred mode, the rigid conductor 1 may be further sleeved with an insulating outer covering, the type of the insulating outer covering is not limited, and may be made of plastic or rubber, for example.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electrically conductive support, characterized in that it comprises a rigid conductor (1), said rigid conductor (1) having at least two connection portions for electrical connection with a circuit board (4), at least one of said connection portions being a threaded hole for connecting said circuit board (4) to said rigid conductor (1) by means of a fastening screw (5).

2. The conductive support according to claim 1, characterized in that the rigid conductor (1) is a metal rod.

3. The conductive support as claimed in claim 1, wherein at least one of said connection portions is a threaded rod (11) with an external thread for connection with an internal threaded connection on said circuit board (4).

4. The conductive support according to claim 3, characterized in that a spring washer (2) mounted on the rigid conductor (1) is further arranged at a position close to the screw (11), and a flat gasket (3) for pressing between the female connector and the spring washer (2) is further sleeved on the screw (11).

5. The conductive support member according to claim 4, characterized in that the connecting position of the rigid conductor (1) and the screw (11) is provided with a relief groove, the spring washer (2) and the flat pad (3) are sleeved on the relief groove and are integrated with the rigid conductor (1), and the thread on the screw (11) and the end of the rigid conductor (1) can limit the spring washer (2) and the flat pad (3) from falling off.

6. A circuit board connection structure, comprising at least two circuit boards (4) and at least one conductive support member, wherein the conductive support member comprises a rigid conductor (1), and any one of the rigid conductors (1) has at least two connection portions for electrically connecting with the circuit boards (4), and wherein any one of the circuit boards (4) is electrically connected with at least one of the connection portions and supported by at least one of the conductive support members.

7. The circuit board connection structure according to claim 6, wherein at least one of the circuit boards (4) is provided with a solder terminal (41), the solder terminal (41) is provided with a terminal screw hole, and the connection portion engaged with the solder terminal (41) is a screw (11) having an external thread.

8. The circuit board connection structure according to claim 7, wherein a spring washer (2) fixed to the rigid conductor (1) is further provided at a position close to the screw (11), and a flat pad (3) pressed between the solder terminal (41) and the spring washer (2) is further fitted over the screw (11).

9. The circuit board connecting structure according to claim 8, further comprising a connecting cable (6), wherein a wire connecting nose (61) is arranged at an end of the connecting cable (6), and the wire connecting nose (61) is sleeved on the screw rod (11) and pressed between the welding terminal (41) and the flat pad (3) to realize electrical connection with the rigid conductor (1).

10. The circuit board connection structure according to claim 6, wherein at least one of the circuit boards (4) is provided with a connection through hole, and a conductive metal thin plate is laid around the connection through hole, the connection portion matched with the connection through hole is a conductor threaded hole, the circuit board connection structure further comprises a fastening screw (5), and the fastening screw (5) passes through the connection through hole and then is fastened in the conductor threaded hole, so that the circuit board (4) is electrically connected with the rigid conductor (1) through the conductive metal thin plate.

11. The circuit board connection structure according to claim 10, wherein a spring washer (2) and a flat pad (3) are further provided between the nut of the fastening screw (5) and the circuit board (4), wherein the flat pad (3) is in contact with the circuit board and the spring washer (2) is in contact with the nut.

12. A circuit board connection structure according to any one of claims 6-11, characterized in that the cross-section of the rigid conductor (1) is circular or polygonal.

13. The circuit board connection structure according to claim 12, wherein the outer surface of the rigid conductor (1) is further provided with an insulating outer cladding.