CN214099980U

CN214099980U - Circuit board contact pin connection structure

Info

Publication number: CN214099980U
Application number: CN202023144013.6U
Authority: CN
Inventors: 张卫
Original assignee: Jiangyin Changjiang Electric Appliance Co ltd
Current assignee: Jiangyin Changjiang Electric Appliance Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-31
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a circuit board contact pin connection structure includes circuit board (1) and contact pin (2), be provided with through-hole (1.1) that supplies contact pin (2) to pass on circuit board (1), through-hole (1.1) upper cover of circuit board (1) has closed a connecting piece (3), and is provided with on connecting piece (3) and perforates (3.1), be provided with two connection shell fragment (3.2) on connecting piece (3), the bottom fixed connection of two connection shell fragment (3.2) is on connecting piece (3), and the top slant of two connection shell fragment (3.2) is close to each other to behind the top of perforating (3.1), and the head of contact pin (2) passes through-hole (1.1) and perforates (3.1) after the card is arranged in between the top of two connection shell fragment (3.2). The utility model relates to a circuit board contact pin connection structure, it has connects convenient and fast and can carry out the advantage dismantled.

Description

Circuit board contact pin connection structure

Technical Field

The utility model relates to a connection structure especially relates to a be applied to contact pin connection structure on circuit board, belongs to the electrical technology field.

Background

At present, in the electrical industry, an upper pin structure is often required to be connected to a circuit board for electrical connection, and the conventional pin connection mode generally includes: through holes are reserved on the circuit board, bonding pads are reserved on the periphery of the through holes, and the pins are inserted into the through holes and then welded to be connected, so that electrical connection is achieved. However, the connection mode is complex in operation, time-consuming, labor-consuming and low in efficiency, and has higher requirements on welding operation of operators; simultaneously, can't dismantle after this connected mode connects to the maintenance in later stage of being not convenient for. Therefore, a pin connecting structure capable of solving the above problems is desired.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned not enough, provide a circuit board contact pin connection structure, it has the advantage of connecting convenient and fast and can dismantling.

The purpose of the utility model is realized like this:

the utility model provides a circuit board contact pin connection structure, includes circuit board and contact pin, be provided with the through-hole that supplies the contact pin to pass on the circuit board, the through-hole upper cover of circuit board has closed a connecting piece, and is provided with the perforation on the connecting piece, be provided with two connection shell fragments on the connecting piece, two bottom fixed connection who connects the shell fragment are on the connecting piece, and the top slant of two connection shell fragments is close to each other to behind the fenestrate top, and the head of contact pin passes the through-hole and perforates the back card and arranges in between the top of two connection shell fragments.

The utility model relates to a circuit board contact pin connection structure, the bottom of two connection shell fragments symmetry respectively sets up in fenestrate both sides to make the top overlap joint of connecting the shell fragment constitute "V" shape structure of inversion after being in the same place.

The utility model relates to a circuit board contact pin connection structure, on the middle part of contact pin was fixed in the connector, the head of contact pin passed the connector, and the afterbody of contact pin is located the connector.

The utility model relates to a circuit board contact pin connection structure, the top of connecting the shell fragment is provided with the opening, and the head of contact pin inlays in this opening.

The utility model relates to a circuit board contact pin connection structure, the head of contact pin is provided with annular positioning groove, and the top of connecting the shell fragment is embedded in annular positioning groove.

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

the utility model discloses a quick cartridge connection structure is formed to the connection shell fragment on contact pin and the connecting piece to need not the welding and can realize quick assembly, and the connection shell fragment can constitute the anti-disengaging structure similar to the barb, has guaranteed the reliability of electrical connection; simultaneously, when needs are dismantled, only need pry the realization that can be convenient after connecting the shell fragment and break away from, compare in conventional welding mode and link to each other, not only make the assembly swift high-efficient, but also can realize dismantling fast, and still can assemble the use after dismantling the maintenance (conventional welding mode is if adopt hot-blast gun etc. to melt the solder and realize dismantling, not only inefficiency and often dismantle the back and can't reuse because of the damage of pad) to very big reduction its use cost.

Drawings

Fig. 1 is a schematic diagram of a circuit board pin connection structure according to the present invention.

Fig. 2 is a cross-sectional view of a circuit board pin connection structure of the present invention.

Fig. 3 is a schematic view of an application state of the circuit board pin connection structure of the present invention.

Fig. 4 is a rear view of fig. 3 according to the present invention.

In the figure: the left and right directions in the

drawings

1 and 2 are actual up and down physical directions (in addition, the direction position relationship of the application file is only cited for convenience of description, and the actual installation can be adaptively changed according to the actual situation, and the directions are all within the coverage range of the patent);

wherein:

the circuit board 1, the contact pin 2, the connecting piece 3 and the connector 4;

a through hole 1.1;

perforation 3.1, connection shell fragment 3.2.

Detailed Description

Referring to fig. 1~4, the utility model relates to a circuit board contact pin connection structure includes circuit board 1 and contact pin 2, be provided with the through-hole 1.1 that supplies contact pin 2 to pass on the circuit board 1, its characterized in that:

a connecting piece 3 is covered on a through hole 1.1 of the circuit board 1, a through hole 3.1 is formed in the connecting piece 3, two connecting elastic pieces 3.2 are arranged on the connecting piece 3, the bottoms of the two connecting elastic pieces 3.2 are fixedly connected to the connecting piece 3, the tops of the two connecting elastic pieces 3.2 are inclined upwards to be above the through hole 3.1 and then are close to each other, and the head of the contact pin 2 is clamped between the tops of the two connecting elastic pieces 3.2 after penetrating through the through hole 1.1 and the through hole 3.1;

when assembling, the contact pin 2 passes through the through hole 1.1 and the through hole 3.1 to be electrically connected with the connecting elastic sheet 3.2, and the connecting elastic sheet 3.2 is electrically connected with the pre-embedded copper foil on the circuit board 1 through the connecting piece 3; the whole inserting process is very convenient and fast, the assembling efficiency is greatly improved, and after the contact pin 2 is inserted, the connecting elastic sheet 3.2 which is obliquely arranged has a structure similar to an agnail, so that the contact pin 2 can be effectively prevented from falling off, and the firmness of connection is ensured;

when the pin needs to be disassembled, the pin 2 can be conveniently pulled out backwards only by prying the connecting elastic sheet 3.2 by a screwdriver, so that the disassembly is quickly realized;

furthermore, the bottoms of the two connecting elastic sheets 3.2 are respectively and symmetrically arranged at two sides of the through hole 3.1, so that the tops of the connecting elastic sheets 3.2 are lapped together to form an inverted V-shaped structure;

furthermore, the middle part of the contact pin 2 is fixed on the connector 4, the head part of the contact pin 2 penetrates through the connector 4, and the tail part of the contact pin 2 is positioned in the connector 4; as shown in fig. 1 and fig. 2, the quick connection of the plug in the engineering and the like can be realized;

furthermore, a notch is formed in the top of the connecting elastic sheet 3.2, and the head of the contact pin 2 is embedded in the notch, so that the electrical connection performance after clamping is ensured;

furthermore, the head of the contact pin 2 is provided with an annular positioning groove, and the top of the connecting elastic sheet 3.2 is embedded in the annular positioning groove, so that the positioning and limiting effects are achieved during insertion;

in addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims

1. The utility model provides a circuit board contact pin connection structure, includes circuit board (1) and contact pin (2), be provided with through-hole (1.1) that supply contact pin (2) to pass on circuit board (1), its characterized in that:

through-hole (1.1) upper cover of circuit board (1) has closed a connecting piece (3), and is provided with on connecting piece (3) and perforates (3.1), be provided with two connection shell fragment (3.2) on connecting piece (3), the bottom fixed connection of two connection shell fragment (3.2) is on connecting piece (3), and the top slant of two connection shell fragment (3.2) is close to each other to the top of perforation (3.1) after, and the head of contact pin (2) passes through-hole (1.1) and perforates (3.1) after the card is arranged in between the top of two connection shell fragment (3.2).

2. The circuit board pin connecting structure according to claim 1, wherein: the bottoms of the two connecting elastic sheets (3.2) are respectively and symmetrically arranged at the two sides of the through hole (3.1), so that the tops of the connecting elastic sheets (3.2) are lapped together to form an inverted V-shaped structure.

3. The circuit board pin connecting structure according to claim 1, wherein: the middle part of the contact pin (2) is fixed on the connector (4), the head part of the contact pin (2) penetrates through the connector (4), and the tail part of the contact pin (2) is located in the connector (4).

4. The circuit board pin connecting structure according to claim 1, wherein: the top of the connecting elastic sheet (3.2) is provided with a notch, and the head of the contact pin (2) is embedded in the notch.

5. The circuit board pin connecting structure according to claim 1, wherein: the head of the contact pin (2) is provided with an annular positioning groove, and the top of the connecting elastic sheet (3.2) is embedded in the annular positioning groove.