CN213213928U

CN213213928U - Exempt from welded PCB circuit board

Info

Publication number: CN213213928U
Application number: CN202021764787.6U
Authority: CN
Inventors: 陈涛
Original assignee: Shenzhen Brilliant Star Electronics Co ltd
Current assignee: Shenzhen Brilliant Star Electronics Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-14
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a welding-free PCB, which comprises a PCB body, wherein more than one mounting through hole for inserting components at the later stage is arranged on the PCB body, an upper connecting piece and a lower connecting piece which are connected with each other by screw threads are arranged in the mounting through hole, the centers of the upper connecting piece and the lower connecting piece are through holes for plugging components, the through hole of the upper connecting piece is internally provided with arc-shaped elastic conductive parts positioned at two sides, the installation through hole is internally provided with an external conduction part which is conducted with the arc-shaped elastic conductive parts, the external conduction part is conducted and connected with the copper wire on the PCB body, two sides of the lower connecting piece are provided with contact pins inserted into the PCB body, the upper connecting piece partially extends out of the mounting through hole, and the part of the upper connecting piece extending out of the mounting through hole is sleeved with a conductive spring, the lower end of the conductive spring is provided with a conductive sheet, and the conductive sheet is connected with an external conduction part. This structural arrangement need not the welding and realizes electrical connection.

Description

Exempt from welded PCB circuit board

Technical Field

The utility model relates to a technical field of PCB circuit board, in particular to exempt from welded PCB circuit board.

Background

At present, the PCB circuit board that provides in the market generally includes the plate body, is equipped with copper line and pad on the plate body, and copper line and pad link to each other, but present pad is the structure that sets up on PCB circuit board surface, then later stage and components and parts are connected, but insufficient solder often can appear in such structure and lead to the problem emergence that the later stage circuit does not switch on, so need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a exempt from welded PCB circuit board to solve the easy rosin joint's of pad problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exempt from welded PCB circuit board, includes the PCB plate body, is equipped with the mounting hole that more than one later stage was used for grafting components and parts on the PCB plate body, is provided with mutual threaded connection's last connecting piece and lower connecting piece in the mounting hole, the center of last connecting piece and lower connecting piece be for being used for grafting components and parts's through-hole, be provided with the arc elastic conduction portion that is located both sides in the through-hole of last connecting piece, be equipped with the outside conduction portion that switches on with arc elastic conduction portion in the mounting hole, outside conduction portion and the copper line conduction connection on the PCB plate body, the both sides of connecting piece are equipped with the contact pin of pegging graft in the PCB plate body under, go up the connecting piece part and stretch out the mounting hole, stretch out the part cover that the mounting hole stretched out at.

In order to facilitate limiting, the upper portion of the upper connecting piece is provided with an upper limiting portion with a diameter larger than the aperture of the mounting through hole, and the lower end of the lower connecting piece is provided with a lower limiting portion with a diameter larger than the aperture of the mounting through hole.

In order to facilitate operation, the upper end of the lower connecting piece is provided with an external thread, and the lower end of the upper connecting piece is provided with an internal thread matched with the external thread.

In order to improve the safety, the conductive spring is sleeved with an insulating sleeve.

In order to improve the safety, the upper end surface of the upper connecting piece and the lower end surface of the lower connecting piece are provided with insulating layers.

The utility model provides a exempt from welded PCB circuit board, through the structure through going up the connecting piece, the connecting piece carries out threaded connection and makes things convenient for the later stage to dismantle down, set up the outside conduction portion that switches on with arc elasticity conductive part in the installation through-hole simultaneously, realize only need to insert the installation through-hole with last connecting piece and can realize that outside conduction portion switches on with arc elasticity conductive part, then because arc elasticity conductive part is the arc structure, guarantee to communicate all the time with arc elasticity conductive part through extrusion arc elasticity conductive part when components and parts are plugged into in the connecting piece, finally realize need not to weld and just can let the copper line realization on components and parts and PCB plate body be connected, avoid the problem of later stage rosin joint to take place.

Drawings

FIG. 1 is a schematic cross-sectional view of a portion of a PCB circuit board free of soldering in this embodiment 1;

FIG. 2 is an exploded view of the upper and lower connectors of this embodiment 2;

FIG. 3 is a schematic cross-sectional view of a portion of a PCB circuit board without soldering in this embodiment 3;

fig. 4 is a schematic cross-sectional view of a part of a soldering-free PCB of embodiment 4.

In the figure: the PCB comprises a PCB body 1, an installation through hole 2, an upper connecting piece 3, a lower connecting piece 5, an arc-shaped elastic conducting part 4, an external conducting part 6, a contact pin 7, a conducting spring 8, a conducting piece 9, an upper limiting part 10, a lower limiting part 11, an external thread 12, an internal thread 13, an insulating sleeve 14 and an insulating layer 15.

Detailed Description

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.

Example 1:

referring to fig. 1, the embodiment provides a soldering-free PCB, including a PCB body 1, wherein the PCB body 1 is provided with at least one later-stage installation through hole 2 for inserting components, an upper connecting member 3 and a lower connecting member 5 which are connected with each other by screw threads are arranged in the installation through hole 2, the centers of the upper connecting member 3 and the lower connecting member 5 are through holes for inserting components, arc-shaped elastic conductive portions 4 are arranged at both sides in the through hole of the upper connecting member 3, an external conduction portion 6 which is conducted with the arc-shaped elastic conductive portions 4 is arranged in the installation through hole 2, the external conduction portion 6 is conducted with copper wires on the PCB body 1, contact pins 7 which are inserted into the PCB body 1 are arranged at both sides of the lower connecting member 5, a part of the upper connecting member 3 extends out of the installation through hole 2, and a part of the upper connecting member 3 which extends out of, the lower end of the conductive spring 8 is provided with a conductive sheet 9, and the conductive sheet 9 is connected with the external conduction part 6.

Through the structure through going up connecting piece 3, connecting piece 5 carries out the convenient later stage of threaded connection and dismantles down, set up the outside conduction portion 6 that switches on with arc elasticity conductive part 4 in installation through-hole 2 simultaneously, realize only need to insert installation through-hole 2 with last connecting piece 3 and can realize that outside conduction portion 6 switches on with arc elasticity conductive part 4, then because arc elasticity conductive part 4 is the arc structure, guarantee to communicate all the time with arc elasticity conductive part 4 through extrusion arc elasticity conductive part 4 when components and parts are plugged into in last connecting piece 3, finally realize need not to weld and just can let components and parts and PCB plate body 1 on the copper line realize being connected, avoid later stage rosin joint's problem to take place.

For the convenience of limiting, an upper limiting part 10 with the diameter larger than the aperture of the mounting through hole 2 is arranged at the upper part of the upper connecting piece 3, and a lower limiting part 11 with the diameter larger than the aperture of the mounting through hole 2 is arranged at the lower end of the lower connecting piece 5.

Example 2:

referring to fig. 2, in the present embodiment, a soldering-free PCB is provided, in order to facilitate operation, an external thread 12 is disposed at an upper end of the lower connecting member 5, an internal thread 13 matched with the external thread 12 is disposed at a lower end of the upper connecting member 3, and the structure is configured to facilitate later-stage detachment.

Example 3:

referring to fig. 3, in the present embodiment, in order to improve safety, an insulating sleeve 14 is sleeved outside the conductive spring 8, and an insulating effect is improved by arranging the insulating sleeve 14.

Example 4:

referring to fig. 4, in the present embodiment, in order to improve safety, an insulating layer 15 is disposed on an upper end surface of the upper connector 3 and a lower end surface of the lower connector 5, and an upper and a lower insulating effects are improved by disposing the insulating layer 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a exempt from welded PCB circuit board, includes PCB plate body (1), is equipped with more than one later stage on PCB plate body (1) and is used for pegging graft mounting hole (2) of components and parts, its characterized in that: an upper connecting piece (3) and a lower connecting piece (5) which are connected with each other in a threaded manner are arranged in the mounting through hole (2), the centers of the upper connecting piece (3) and the lower connecting piece (5) are through holes for inserting components, arc-shaped elastic conductive parts (4) which are positioned at two sides are arranged in the through hole of the upper connecting piece (3), an external conduction part (6) which is conducted with the arc-shaped elastic conductive parts (4) is arranged in the mounting through hole (2), the external conduction part (6) is conducted with copper wires on the PCB body (1) and is connected, contact pins (7) which are inserted into the PCB body (1) are arranged at two sides of the lower connecting piece (5), the upper connecting piece (3) partially extends out of the mounting through hole (2), a conductive spring (8) is sleeved at the part of the upper connecting piece (3) which extends out of the mounting through hole (2), and, the conductive sheet (9) is connected to an external conduction part (6).

2. A solderless PCB circuit board of claim 1, wherein: an upper limit part (10) with the diameter larger than the aperture of the mounting through hole (2) is arranged at the upper part of the upper connecting piece (3), and a lower limit part (11) with the diameter larger than the aperture of the mounting through hole (2) is arranged at the lower end of the lower connecting piece (5).

3. A solderless PCB circuit board of claim 1, wherein: the upper end of the lower connecting piece (5) is provided with an external thread (12), and the lower end of the upper connecting piece (3) is provided with an internal thread (13) matched with the external thread (12).

4. A solderless PCB circuit board of claim 1, wherein: an insulating sleeve (14) is sleeved outside the conductive spring (8).

5. A solderless PCB circuit board of claim 1, wherein: an insulating layer (15) is arranged on the upper end surface of the upper connecting piece (3) and the lower end surface of the lower connecting piece (5).