CN219393748U

CN219393748U - Binding post for circuit board

Info

Publication number: CN219393748U
Application number: CN202320299550.2U
Authority: CN
Inventors: 周文忠; 赵泓杰
Original assignee: Shenzhen Connection New Energy Co ltd
Current assignee: Shenzhen Connection New Energy Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-21
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a wiring terminal for a circuit board in the technical field of electric connection structure design, which comprises: the welding plate comprises a top plate and welding plates which are located on the three sides of the top plate and vertically extend downwards, at least two wiring parts are arranged on the top plate, the welding plates comprise a first welding plate, a second welding plate and a third welding plate, the first welding plate and the third welding plate are symmetrically arranged, one or more concave grooves are formed in the bottoms of the first welding plate, the second welding plate and the third welding plate, and two or more welding feet which are welded with the circuit board are formed in the bottoms of the first welding plate, the second welding plate and the third welding plate. The utility model solves the problems that only one end of each pin of the existing wiring terminal is welded with a circuit board, when the wiring terminal receives larger acting force, the wiring terminal is easy to loose on the circuit board, and the connection firmness is not good enough.

Description

Binding post for circuit board

Technical Field

The utility model relates to the technical field of electric connection structure design, in particular to a wiring terminal for a circuit board.

Background

The electrical connection of the printed circuit on the printed circuit board to the external connection leads is usually accomplished through PCB terminals. The common connection mode is that one end of the PCB wiring terminal is inserted into a jack preset on the printed circuit board and is connected with a printed circuit on the printed circuit board in a welding mode, and the other end of the PCB wiring terminal is connected with an external connecting wire.

In the chinese patent document with application number CN201721227322.5, a wiring terminal and a circuit board with the wiring terminal are disclosed, the wiring terminal comprises a square frame body which is made of a metal sheet material and is provided with a wire insertion hole, a threaded hole for screwing a wire pressing screw is arranged on the top wall of the square frame body, pins extending outwards are formed on the square frame body, the number of the pins is at least two, and all the pins are arranged at the same end of the square frame body and extend towards the same direction.

However, in the above-mentioned binding post, every is the slice for this pin can only be connected with the jack of a circuit board, and when binding post received great effort, this pin was rocked in corresponding jack easily, leads to whole binding post to become flexible, and the fastness of connection is not enough.

Disclosure of Invention

In order to solve the problem that only one end of each pin of the existing wiring terminal is welded with a circuit board, when the wiring terminal receives a large acting force, the wiring terminal is easy to loose on the circuit board, and the connection firmness is not good enough, the utility model provides the wiring terminal for the circuit board.

The technical scheme of the utility model is as follows:

a wiring terminal for a circuit board, comprising: roof, be located the vertical downwardly extending's of three sides of roof welded plate, be equipped with two at least wiring portions on the roof, the welded plate includes first welded plate, second welded plate, third welded plate, first welded plate with third welded plate symmetry sets up, first welded plate the second welded plate the bottom of third welded plate all is equipped with one or more upwards sunken recess, makes first welded plate the second welded plate the bottom of third welded plate forms two and more with circuit board welded fillets.

Further, the wiring part is a stud, and one end of the stud is detachably connected with the top of the top plate.

Further, a screw hole is formed in the top plate and is in threaded connection with one end of the stud.

Further, the wiring part is a stud, and one end of the stud is fixedly connected with the top of the top plate.

Further, the number of the wiring parts is two.

Furthermore, the welding legs of the first welding plate and the third welding plate are of structures with wide upper part and narrow lower part.

Further, the bottom of the first welding plate, the bottom of the second welding plate and the bottom of the third welding plate are respectively provided with three welding legs.

Further, openings for observing the positions of the welding pins of the first welding plate and the third welding plate are formed in the left side and the right side of the second welding plate.

Further, concave parts which are convenient to take and place are arranged on two sides of the top of the second welding plate.

Further, the top plate and the welding plate are integrally formed.

The utility model according to the scheme has the beneficial effects that:

in the wiring terminal for the circuit board, each welding plate is provided with the plurality of welding pins which are respectively connected with the corresponding hole sites of the circuit board, so that the acting force of the welding plate and the circuit board is dispersed, the grabbing force of the welding plate when the welding plate receives larger acting force is increased, and further, the welding of each welding plate and the circuit board is firmer, the overcurrent capacity is greatly enhanced, and the torsion is enhanced.

In addition, be equipped with two at least wiring portions on the roof, strengthen the stability that this binding post for circuit board was connected with external connection wire. In addition, the wiring portion can be detachably connected with the top plate, can also be fixedly connected, can select the connection mode of wiring portion and top plate according to actual conditions, and the suitability is strong.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

fig. 2 is a schematic structural view of another embodiment.

In the figure, 1, top plate; 21. a first welding plate; 22. a second welding plate; 221. an opening; 222. a concave portion; 23. a third welding plate; 24. welding feet; 25. a groove; 3. and a wiring part.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. The directions or positions indicated by the terms "upper", "lower", "vertical", "top", "bottom", etc. are directions or positions based on those shown in the drawings, are for convenience of description only, and are not to be construed as limiting the present technical solution. The meaning of "multiple" is two or more, unless explicitly defined otherwise.

As shown in fig. 1, the present utility model provides a connection terminal for a circuit board, comprising: roof 1, be located the vertical downwardly extending's of three sides of roof 1 welded plate, be equipped with two at least wiring portions 3 on the roof 1, the welded plate includes first welded plate 21, second welded plate 22, third welded plate 23, first welded plate 21 and third welded plate 23 symmetry set up, the bottom of first welded plate 21, second welded plate 22, third welded plate 23 all is equipped with one or more upwards sunken recess 25 for first welded plate 21, second welded plate 22, third welded plate 23's bottom form two and more with circuit board welded fillets 24.

In the utility model, three sides of the top plate 1 are provided with welding plates which vertically extend downwards, namely, the wiring terminal for the circuit board is provided with three side surfaces for welding with the circuit board, and each welding plate is provided with a plurality of welding pins 24 which are respectively connected with corresponding hole sites of the circuit board, so that acting force of the welding plate and the circuit board is dispersed, the grabbing and pulling force of the welding plate when the welding plate receives larger acting force is increased, and further, the welding of each welding plate and the circuit board is firmer, the overcurrent capacity is greatly enhanced, and the torsion is enhanced. Preferably, the bottoms of the first welding plate 21, the second welding plate 22 and the third welding plate 23 are respectively provided with two concave grooves 25 which are upwards concave, so that the bottoms of the first welding plate 21, the second welding plate 22 and the third welding plate 23 form three welding feet 24 welded with the circuit board, and the stability of the connection between the wiring terminal for the circuit board and the circuit board is ensured. Of course, the number of the fillets 24 at the bottoms of the first, second and third welding plates 21, 22, 23 may be four, five, etc., and in actual design, the number of the grooves 25 and the fillets 24 at the bottoms of the first, second and third welding plates 21, 22, 23 may be designed according to actual needs. In addition, roof 1 and welded plate integrated into one piece saves the time of production.

In the present embodiment, the left and right sides of the second welding plate 22 are provided with openings 221. When the wiring terminal for the circuit board is welded with the circuit board, the opening 221 facilitates the observation of the positions of the welding legs 24 of the first welding plate 21 and the third welding plate 23, facilitates the welding of the welding legs 24 of the first welding plate 21, the second welding plate 22 and the third welding plate 23 to the correct positions, and prevents the dislocation of the positions of the welding legs 24. Meanwhile, concave parts 222 are arranged on two sides of the top of the second welding plate 22, so that the wiring terminals for the circuit board can be conveniently taken and placed, and when welding is carried out, a user can take and place the wiring terminals for the circuit board through the concave parts 222. In addition, the welding pins 24 of the first welding plate 21 and the third welding plate 23 are of a structure with wide upper part and narrow lower part, and the length of the welding pins 24 inserted into the circuit board is limited, so that the wiring terminal for the circuit board is conveniently and well spliced on the circuit board for welding.

As shown in fig. 1, in this embodiment, the wiring portion 3 is a stud, one end of the stud is fixedly connected with the top of the top plate 1, the external connection wire is wound around the two studs, and then is screwed with the stud by a nut, so that the external connection wire is fixed on the stud. In another alternative embodiment, as shown in fig. 2, one end of the stud may be detachably connected to the top of the top plate 1, a screw hole matched with the stud is formed on the top plate 1, an external connection wire is placed into the screw hole, and then the external connection wire is connected with one end of the stud through the screw hole in a threaded manner, so that the external connection wire is fixed on the wiring terminal for the circuit board of the utility model. In actual design, the connection mode of the wiring part 3 and the top plate 1 can be selected according to actual conditions, so that the applicability is high. Preferably, the number of the connection parts 3 can be two, so that the connection stability of the connection terminal for the circuit board and the external connection wire is enhanced. Of course, the number of the wiring parts 3 may be designed to be three, four, or the like, and in actual design, the number of the wiring parts 3 may be designed according to actual needs.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims

1. A wiring terminal for a circuit board, comprising: roof, be located the vertical downwardly extending's of three sides of roof welded plate, be equipped with two at least wiring portions on the roof, the welded plate includes first welded plate, second welded plate, third welded plate, first welded plate with third welded plate symmetry sets up, first welded plate the second welded plate the bottom of third welded plate all is equipped with one or more upwards sunken recess, makes first welded plate the second welded plate the bottom of third welded plate forms two and more with circuit board welded fillets.

2. The connection terminal for a circuit board according to claim 1, wherein the connection portion is a stud, and one end of the stud is detachably connected to the top of the top plate.

3. The connection terminal for a circuit board according to claim 2, wherein a screw hole is provided in the top plate, and the screw hole is screwed to one end of the stud.

4. The connection terminal for a circuit board according to claim 1, wherein the connection portion is a stud, and one end of the stud is fixedly connected to the top of the top plate.

5. The connection terminal for a circuit board according to claim 1, wherein the number of the connection portions is two.

6. The connection terminal for a circuit board according to claim 1, wherein the solder fillets of the first and third solder plates each have a structure with a wide upper part and a narrow lower part.

7. The connection terminal for a circuit board according to claim 1, wherein three fillets are provided at bottoms of the first, second and third bonding plates.

8. The connection terminal for a circuit board according to claim 1, wherein openings for observing positions of solder tails of the first and third solder plates are provided on left and right sides of the second solder plate.

9. The connection terminal for circuit board according to claim 1, wherein the second welding plate is provided with recesses on both sides of the top thereof for easy taking and placing.

10. The connection terminal for a circuit board according to claim 1, wherein the top plate is integrally formed with the soldering plate.