CN210609864U

CN210609864U - Twelve-layer PCB

Info

Publication number: CN210609864U
Application number: CN201920850240.9U
Authority: CN
Inventors: 闫巨良
Original assignee: Foshan Shunde Pofei Electronic Co Ltd
Current assignee: Foshan Shunde Pofei Electronic Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-22
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a twelve-layer PCB board, which comprises a substrate, a first board core, nine second board cores and a third board core which are arranged in parallel from bottom to top in sequence, wherein both sides of the upper end of the substrate are provided with substrate stoppers, the upper end of each substrate stopper protrudes towards the inner side, two first elastic clamping blocks are arranged on both sides of the lower end of each first board core, and the first elastic clamping blocks are matched with the substrate stoppers; the upper end both sides of first board core are equipped with first stopper, and the upper end of first stopper is inside lateral bulge, the lower extreme both sides of second board core are equipped with two elastic fixture blocks of second, and the elastic fixture block of second cooperates with first stopper. Through the matching of the first elastic clamping block, the second elastic clamping block, the fixed elastic clamping block, the substrate limiting block, the first limiting block and the second limiting block, the multi-layer PCB can be more conveniently disassembled and assembled; meanwhile, the gaps between the PCB boards can better dissipate heat.

Description

Twelve-layer PCB

Technical Field

The utility model belongs to the technical field of the circuit board and specifically relates to a twelve-layer PCB board is related to.

Background

With scientific development, the control requirement on the circuit is higher and higher, and the number of layers of the corresponding PCB is higher and higher in the production process, so that the requirement on the PCB fixing mode is generated.

However, the number of the fixed multi-layer PCB boards increases, and the number of the lines increases, so that the PCB boards are often required to be disassembled and assembled during wiring, the multi-layer PCB boards are usually fixed by screws, and are not easy to disassemble and assemble, and when the multi-layer PCB boards work, a large amount of heat is generated during the operation of the lines in the closed space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A twelve-layer PCB board comprises a base plate, a first board core, nine second board cores and a third board core which are sequentially arranged in parallel from bottom to top, wherein two sides of the upper end of the base plate are provided with base plate limiting blocks, the upper end of each base plate limiting block protrudes inwards, two sides of the lower end of each first board core are provided with two first elastic clamping blocks, and the first elastic clamping blocks are matched with the base plate limiting blocks;

two sides of the upper end of the first plate core are provided with first limiting blocks, the upper end of each first limiting block protrudes inwards, two sides of the lower end of each second plate core are provided with two second elastic clamping blocks, and the second elastic clamping blocks are matched with the first limiting blocks; two sides of the upper end of the second plate core are provided with second limiting blocks, the upper ends of the second limiting blocks protrude inwards, and the second limiting blocks of the second plate core are matched with the second elastic clamping blocks of the other second plate core;

two fixed elastic clamping blocks are arranged on two sides of the lower end of the third plate core and matched with a second limiting block of the second plate core positioned at the top end.

As a further aspect of the present invention: locate the left base plate stopper of base plate, locate the left first stopper of first core, locate the left second stopper of second core and to the upper segment arch, block first elasticity fixture block, second elasticity fixture block, fixed elasticity fixture block respectively.

As a further aspect of the present invention: and a heat radiation fan blowing air to the left side is arranged on the left side of the substrate.

As a further aspect of the present invention: the lower ends of the first plate core, the second plate core and the third plate core are provided with PP glue layers.

Compared with the prior art, the beneficial effects of the utility model are that: through the matching of the first elastic clamping block, the second elastic clamping block, the fixed elastic clamping block, the substrate limiting block, the first limiting block and the second limiting block, the multi-layer PCB can be more conveniently disassembled and assembled; meanwhile, the gaps between the PCB boards can better dissipate heat.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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, in an embodiment of the present invention, a twelve-layer PCB board includes a substrate 1, a first board core 2, nine second board cores 3, and a third board core 4, which are sequentially arranged in parallel from bottom to top, wherein two sides of the upper end of the substrate 1 are provided with substrate stoppers 10, the upper end of each substrate stopper 10 protrudes inward, two sides of the lower end of the first board core 2 are provided with two first elastic clamping blocks 20, and the first elastic clamping blocks 20 are matched with the substrate stoppers 10;

two sides of the upper end of the first plate core 2 are provided with first limiting blocks 21, the upper end of the first limiting block 21 protrudes inwards, two sides of the lower end of the second plate core 3 are provided with two second elastic clamping blocks 30, and the second elastic clamping blocks 30 are matched with the first limiting blocks 21; two sides of the upper end of the second core 3 are provided with second limit blocks 31, the upper end of each second limit block 31 protrudes inwards, and the second limit block 31 of one second core 3 is matched with the second elastic fixture block 30 of the other second core 3;

two fixed elastic clamping blocks 40 are arranged on two sides of the lower end of the third plate core 4, and the fixed elastic clamping blocks 40 are matched with the second limiting block 31 of the second plate core 3 positioned at the top end.

As shown in fig. 1, a substrate limiting block 10 disposed on the left side of the substrate 1, a first limiting block 21 disposed on the left side of the first core plate 2, and a second limiting block 31 disposed on the left side of the second core plate 3 protrude upward to block the first elastic clamping block 20, the second elastic clamping block 30, and the fixed elastic clamping block 40, respectively.

As further shown in fig. 1, a heat radiation fan (not shown) blowing air to the left side is provided on the left side of the substrate 1.

As further shown in fig. 1, the lower ends of the first, second and

third cores

2, 3, 4 are provided with a PP glue layer (not shown).

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A twelve-layer PCB board is characterized by comprising a base plate, a first board core, nine second board cores and a third board core which are sequentially arranged in parallel from bottom to top, wherein two sides of the upper end of the base plate are provided with base plate limiting blocks, the upper end of each base plate limiting block protrudes inwards, two sides of the lower end of each first board core are provided with two first elastic clamping blocks, and the first elastic clamping blocks are matched with the base plate limiting blocks;

2. The twelve-layer PCB board of claim 1, wherein a substrate limiting block arranged on the left side of the substrate, a first limiting block arranged on the left side of the first core board, and a second limiting block arranged on the left side of the second core board are protruded upwards to block the first elastic clamping block, the second elastic clamping block, and the fixed elastic clamping block respectively.

3. The twelve-layer PCB of claim 1, wherein a heat dissipation fan blowing air to the left side is arranged at the left side of the substrate.

4. The twelve-layer PCB board of claim 1, wherein the lower ends of the first board core, the second board core and the third board core are provided with PP glue layers.