CN219133282U

CN219133282U - Novel PCB and contact pin connection conductive connection mode structure

Info

Publication number: CN219133282U
Application number: CN202223060857.1U
Authority: CN
Inventors: 方国聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-06
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a novel PCB and contact pin connection conductive connection mode structure, which comprises a PCB board arranged in a shell, wherein an electric element is arranged on the PCB board, and a L, N end on the PCB board is connected with a contact pin to form conductive connection; one end of the contact pin is provided with a joint; a conductive end hole matched with the connector is arranged on the PCB in a penetrating way; the contact pin forms a connecting end at the joint, the sectional area of the connecting end is smaller than that of the joint, the side face of the joint forms a bearing part, and the connecting end is directly riveted and fixed on the PCB, so that the bearing part is in a pressing state on the surface of the PCB. The utility model forms conductive communication between the contact pin and the PCB by directly riveting and fixing the contact pin and the PCB, and is more rapid and convenient compared with the connection mode of soldering tin or wires.

Description

Novel PCB and contact pin connection conductive connection mode structure

Technical Field

The utility model relates to the technical field of contact pin connection, in particular to a novel PCB and contact pin connection conductive connection mode structure.

Background

PCB (Printed Circuit Board) the Chinese name printed circuit board, also called printed circuit board, is an important electronic component, is a support for electronic components, and is a carrier for electrically interconnecting electronic components. The night lamp and similar night lamps in the existing market or other L, N contact pins needing contact pins and PCB conductive matching products are connected with the PCB by soldering tin or wires, and under the action of the connection mode, L, N contact pins of the products are easily connected with the PCB in an insecure mode, so that the reject ratio is improved, the process is relatively tedious, the production efficiency is low, and the product cost is high.

Disclosure of Invention

The utility model aims to provide a structure which can be used for directly and effectively connecting a PCB with a L, N pin.

For this purpose, the utility model adopts the following technical scheme:

a new PCB and contact pin connection conductive connection mode structure comprises a PCB board arranged in a shell, wherein an electric element is arranged on the PCB board, and a L, N end on the PCB board is connected with the contact pin to form conductive connection; one end of the contact pin is provided with a joint; a conductive end hole matched with the connector is arranged on the PCB in a penetrating way; the contact pin forms a connecting end at the joint, the sectional area of the connecting end is smaller than that of the joint, the side face of the joint forms a bearing part, and the connecting end is directly riveted and fixed on the PCB, so that the bearing part is in a pressing state on the surface of the PCB.

Further: the end part of the connector is provided with a groove, so that the connecting end on the connector is split into a pair.

Further: and smooth cambered surface transition is formed between the groove and the end face of the connecting end.

Further: the side of the joint is provided with a concave part.

Further: the connector is arranged in the middle of one end of the contact pin through the concave part.

Further: the connecting end is bent along the radial direction of the contact pin when being riveted and fixed.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the contact pin and the PCB are directly riveted and fixed to form conductive communication. The pin and the PCB can be directly riveted and fixed, so that a firm connection effect can be provided for the pin and the PCB, and compared with a connection mode of soldering tin or a wire, the pin is more rapid and convenient, the occurrence of the condition that the pin is easy to be connected with the PCB is avoided, and the production efficiency, quality and production cost of a product can be greatly improved in the mode.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the portion of the present utility model that cooperates with the pin;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the pin of the present utility model before and after riveting and fixing;

fig. 5 is a schematic view of the internal connection structure of the present utility model.

The marks in the drawings are: the novel self-tapping type electric connector comprises a contact pin 1, a self-tapping screw 2, a base 3, a light guide plate 4, a PCB 5, an upper cover 6, a connector 7, a pressure bearing part 8, a groove 9, a concave part 10, a connecting end 11 and a conductive end hole 12.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

As shown in fig. 1-5, a new structure of connecting and conducting a PCB and a pin comprises a PCB board 5 arranged in a housing, and an electrical element arranged on the PCB board 5, wherein a L, N end on the PCB board 5 is connected with the pin 1; one end of the contact pin 1 is provided with a joint 7 to form conductive connection; a conductive end hole 12 matched with the connector 7 is arranged on the PCB 5 in a penetrating way; the contact pin 1 forms a connecting end 11 at the joint 7, the sectional area of the connecting end 11 is smaller than that of the joint 7, and the side surface of the joint 7 forms a pressure bearing part 8, and the pressure bearing part 8 is in a pressing state on the surface of the PCB 5 through the direct riveting and fixing of the connecting end 11 to the PCB 5.

As shown in fig. 4, the end of the joint 7 is provided with a groove 9 so that the connection end 11 on the joint 7 is split into a pair.

The connecting end 11 is bent in the radial direction of the pin 1 during the caulking. So that the connecting end 11 is prevented from occupying the inner space of the shell too much after being fixedly connected with the PCB 5 by riveting, and the connecting end 11 can be better riveted on the PCB 5.

As shown in fig. 4, a smooth cambered surface transition is formed between the groove 9 and the end surface of the connecting end 11. So that when the riveting machine is used for riveting, the stress concentration is effectively reduced, and the riveting of the riveting machine is facilitated.

As shown in fig. 4, the side of the joint 7 is provided with a concave portion 10. The concave portion 10 may be a groove disposed at the end of the pin 1, and by using the concave portion 10, the consumption of extra material of the connection end 11 can be reduced, and the smoothness of the connection end 11 during riveting can be effectively reduced, and meanwhile, when the riveting is ensured, the area of the bent portion of the connection end 11 occupying the PCB board 5 after being riveted and bent can be reduced. Wherein the cross-sectional area of the connector 7 is made smaller than the cross-sectional area of the pin 1 by the concave portion 10.

Wherein the connector 7 is arranged in the middle of one end of the pin 1 through the concave part 10.

As shown in fig. 1-5, this embodiment further provides a night light, which is connected to the light guide plate 4 through the housing, so that the lamp beads form light under the condition of being electrified to expand the illumination range through the light guide plate 4, and the lamp beads are arranged and electrically connected on the PCB board 5, and form conductive connection through the PCB board 5 and the pins 1. The housing includes a base 3 and an upper cover 6 coupled to each other, a pcb 5 is disposed between the base 3 and the upper cover 6, and the pins 1 are coupled to the base 3 at inner and outer portions thereof. Meanwhile, mutually matched holes are commonly formed between the base 3 and the upper cover 6 as well as between the PCB 5, so that the base 3 and the upper cover 6 are connected through the self-tapping screw 2, wherein the inner walls of the holes in the base 3 and the upper cover 6 can be holes matched with the self-tapping screw 2, and the holes formed in the PCB 5 can be through holes.

Referring to fig. 1-5, when the night lamp is assembled and the pin 1 is connected to the PCB 5, the specific operation manner is as follows:

first, the conductive terminal hole 12 is formed in the L, N end of the PCB 5.

Secondly, the connector 7 of the pin 1 is inserted into one of the conductive end holes 12, and the connecting end 11 is bent under the riveting action of the riveting machine, so that the bearing portion 8 is bent in the same way, and the bearing portion 8 is pressed and arranged on the surface of the PCB 5 through the bent portion, thereby forming rigid connection between the PCB 5 and the pin 1. And simultaneously, the other contact pin 1 is inserted into the other conductive end hole 12 and riveted, so that the PCB 5 and the contact pin 1 are in conductive communication.

Finally, the PCB 5 is electrically connected with the lamp beads, the PCB 5 is placed between the upper cover 6 and the base 3, threads are formed in the holes through the self-tapping screws 2 under the cooperation with the holes, so that the night lamp is connected and molded, and the light guide plate 4 is connected between the upper cover 6 and the base 3 and at the luminous positions of the lamp beads in the connecting process.

The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.

Claims

1. A new PCB and contact pin connection conductive connection mode structure comprises a PCB (5) arranged in a shell, wherein an electric element is arranged on the PCB (5), and a L, N end on the PCB (5) is connected with a contact pin (1) to form conductive connection; the method is characterized in that:

one end of the contact pin (1) is provided with a joint (7);

a conductive end hole (12) matched with the connector (7) is arranged on the PCB (5) in a penetrating way;

the contact pin (1) forms a connecting end (11) at the joint (7), the sectional area of the connecting end (11) is smaller than that of the joint (7), the side face of the joint (7) forms a pressure-bearing part (8), and the connecting end (11) is used for directly riveting and fixing the PCB (5), so that the pressure-bearing part (8) is in a pressing state on the surface of the PCB (5).

2. The novel PCB and pin connection conductive routing structure of claim 1, wherein: the end part of the joint (7) is provided with a groove (9) so that the connecting end (11) on the joint (7) is split into a pair.

3. The novel PCB and pin connection conductive routing structure of claim 2, wherein: smooth cambered surface transition is formed between the groove (9) and the end face of the connecting end (11).

4. The novel PCB and pin connection conductive routing structure of claim 1, wherein: the side of the joint (7) is provided with a concave part (10).

5. The novel PCB and pin connection conductive routing structure of claim 4, wherein: the connector (7) is arranged in the middle of one end of the contact pin (1) through the concave part (10).

6. The novel PCB and pin connection conductive routing structure of claim 1, wherein: the connecting end (11) is bent along the radial direction of the contact pin (1) during riveting fixation.