CN218735172U

CN218735172U - Multilayer circuit board

Info

Publication number: CN218735172U
Application number: CN202222895103.1U
Authority: CN
Inventors: 侯云茂; 谢冬; 陈艳
Original assignee: Guangzhou City Kai Electronic Technology Co ltd
Current assignee: Guangzhou City Kai Electronic Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to a circuit board technical field, concretely relates to multilayer circuit board, including multilayer circuit board main part and the mounting panel that sets up below it to and set up in the fin of multilayer circuit board main part top, still include: and the fixing piece is arranged between the radiating fin and the multilayer circuit board main body and is used for fixing the multilayer circuit board main body. The utility model discloses a mutually support between each part that sets up for multilayer circuit board main part when the installation, when can be through the installation fin, the connection through fixed surface connection under the fin drives trapezoidal piece futilely and removes, makes it carry out the joint with the dovetail groove, realizes fixed to multilayer circuit board's installation, the subsequent dismantlement of also being convenient for.

Description

Multilayer circuit board

Technical Field

The utility model relates to a circuit board technical field, concretely relates to multilayer circuit board.

Background

The multilayer circuit board divides into single-face board, double-sided board according to the number of piles reason and three big classification of multilayer circuit board, among the prior art, mostly fixes it through the bolt when installing multilayer circuit board, then welds or uses the bolt to install the fin on its upper surface, and then leads to multilayer circuit board when needing the maintenance in the use, is not convenient for it to dismantle, influences maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a multilayer circuit board can effectively solve among the prior art multilayer circuit board installation and dismantle comparatively loaded down with trivial details problem.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a multilayer circuit board, including multilayer circuit board main part and the mounting panel that sets up below it to and set up in the fin of multilayer circuit board main part top, still include: the mounting sets up between fin and multilayer circuit board main part for fixed to multilayer circuit board main part, the mounting is including the connecting rod of the lower fixed surface connection who offers guide way and upper end and fin, the connecting rod sets up in the inside that the notched trapezoidal piece was offered on the surface, and the trapezoidal piece through its lower fixed surface installation's slider with set up the bar groove sliding fit who offers on multilayer circuit board main part surface, the inner wall symmetry of recess is seted up with guide way sliding fit's arch, one side of connecting rod is provided with the diaphragm fixed through spring and groove connection.

Furthermore, the outer surface of the multilayer circuit board main body is symmetrically provided with clamping grooves.

Furthermore, the upper surface of the mounting plate is symmetrically provided with guide posts with trapezoidal grooves on the surface, and the outer surfaces of the guide posts are sleeved with support rings.

Furthermore, the outer surface of the cooling fin is symmetrically provided with elastic sheets with elastic deformation, and the lower ends of the elastic sheets are fixedly provided with clamping blocks in clamping fit with the clamping grooves.

Furthermore, the lower end of the connecting rod and the bottom surface of the groove are of mutually matched inclined structures.

Advantageous effects

The utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses a set up connecting rod, trapezoidal piece and dovetail groove to and cooperate the use with the spare part of other settings, make multilayer circuit board main part when the installation, after the guide post is put to the mounting hole alignment that sets up its surface, the installation fin, in its installation, can drive trapezoidal piece and remove, carry out the joint with the dovetail groove, the realization is fixed to the installation of multilayer circuit board, also subsequent dismantlement of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic front view of the spring plate of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the fixing member of the present invention;

fig. 5 is a schematic view of the planar structure of the fixing member of the present invention.

The reference numerals in the drawings denote: 1. a multilayer circuit board main body; 101. a card slot; 2. mounting a plate; 201. a trapezoidal groove; 202. a guide post; 203. a support ring; 3. a heat sink; 301. a spring plate; 302. a clamping block; 4. a fixing member; 401. a guide groove; 402. a connecting rod; 403. a groove; 404. a trapezoidal block; 4041. a slider; 405. a protrusion; 406. a spring; 407. a transverse plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): a multilayer circuit board, refer to fig. 1-5, including the multilayer circuit board body 1 with draw-in groove 101 and setting up the mounting panel 2 below it symmetrically on the external surface, the upper surface of the mounting panel 2 is fitted with the guide post 202 with trapezoidal groove 201 on the surface symmetrically, the guide post 202 has four groups altogether, through setting up the guide post 202, and then when the multilayer circuit board body 1 is installed, can play the role of guiding, have trapezoidal groove 201 on its surface at the same time, and then can carry on the joint cooperation with trapezoidal block 404, realize the fixation to the multilayer circuit board body 1; the outer surface of guide post 202 has cup jointed support ring 203, and through setting up support ring 203, and then can support multilayer circuit board main part 1 europe for leave the space between multilayer circuit board main part 1 and the mounting panel 2, be convenient for dispel the heat.

Referring to fig. 1 to 2, the heat dissipation efficiency of the multilayer circuit board main body 1 can be increased by the heat dissipation fins 3 disposed above the multilayer circuit board main body 1; the surface symmetry installation of fin 3 has elastic deformation's shell fragment 301, and the lower extreme fixed mounting of shell fragment 301 has with draw-in groove 101 joint complex fixture block 302, through setting up shell fragment 301, and then can be through the reaction force that its deformation produced for fixture block 302 can stably joint in the both sides of multilayer circuit board main part 1, realizes installing fast.

Referring to fig. 3 to 5, the fixing member 4 is disposed between the heat sink 3 and the multi-layer circuit board main body 1, so as to fix the multi-layer circuit board main body 1, thereby achieving quick installation and facilitating subsequent disassembly and maintenance.

The fixing piece 4 comprises a connecting rod 402 which is provided with a guide groove 401 and the upper end of which is fixedly connected with the lower surface of the radiating fin 3, and the connecting rod 402 is arranged so that the trapezoidal block 404 can be driven to move when the radiating fin 3 is installed; meanwhile, by arranging the guide groove 401, when the connecting rod 402 drives the trapezoidal block 404 to move, the trapezoidal block can be matched with the protrusion 405, and the guiding and limiting effects are achieved.

The lower end of the connecting rod 402 and the bottom surface of the groove 403 are of an inclined structure which is matched with each other, and the lower end of the connecting rod 402 and the bottom surface of the groove 403 are arranged to be of an inclined structure, so that the trapezoidal block 404 can be better moved through the inclined structure when the connecting rod 402 moves downwards. The connecting rod 402 is arranged inside a trapezoidal block 404 with a groove 403 on the surface, and the trapezoidal block 404 is arranged so as to be clamped and matched with the trapezoidal groove 201, so that the multilayer circuit board main body 1 can be quickly fixed; the trapezoidal piece 404 is in sliding fit with the strip-shaped groove formed in the surface of the multilayer circuit board main body 1 through the sliding block 4041 fixedly installed on the lower surface of the trapezoidal piece, and the movable trapezoidal piece 404 is guided and limited through the sliding block 4041.

The inner wall of the groove 403 is symmetrically provided with the protrusions 405 in sliding fit with the guide groove 401, the protrusions 405 and the guide groove 401 are obliquely arranged, and the protrusions 405 are arranged, so that the trapezoidal block 404 can be stably connected with the connecting rod 402 conveniently, and a guiding effect is achieved; one side of connecting rod 402 is provided with the diaphragm 407 of being connected fixedly through spring 406 and recess 403, through setting up diaphragm 407 and spring 406, and then can move down at connecting rod 402 and drive trapezoidal piece 404 when moving to the direction of dovetail groove 201, can compress spring 406, and then through the reaction force that its produced, provide convenience when dismantling multilayer circuit board main part 1 for follow-up.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A multilayer circuit board includes a multilayer circuit board main body (1) and a mounting plate (2) disposed therebelow, and a heat sink (3) disposed above the multilayer circuit board main body (1), characterized by further comprising:

fixing piece (4), set up between fin (3) and multilayer circuit board main part (1), be used for fixed to multilayer circuit board main part (1), fixing piece (4) are including offering connecting rod (402) of guide way (401) and the lower fixed surface of upper end and fin (3) to be connected, connecting rod (402) set up in the inside that ladder-shaped piece (404) of seting up recess (403) in the surface, and ladder-shaped piece (404) through slider (4041) of its lower fixed surface installation with set up the bar groove sliding fit who sets up on multilayer circuit board main part (1) surface, the inner wall symmetry of recess (403) is offered and is connected protruding (405) with guide way (401) sliding fit, one side of connecting rod (402) is provided with and is connected fixed diaphragm (407) through spring (406) and recess (403).

2. The multilayer circuit board according to claim 1, wherein the multilayer circuit board main body (1) has slots (101) symmetrically formed on an outer surface thereof.

3. The multilayer circuit board according to claim 1, wherein the upper surface of the mounting plate (2) is symmetrically provided with guide posts (202) with trapezoidal grooves (201) on the surface, and the outer surfaces of the guide posts (202) are sleeved with support rings (203).

4. The multilayer circuit board according to claim 1, wherein elastic sheets (301) with elastic deformation are symmetrically mounted on the outer surface of the heat sink (3), and clamping blocks (302) which are in clamping fit with the clamping grooves (101) are fixedly mounted at the lower ends of the elastic sheets (301).

5. A multilayer circuit board according to claim 1, wherein the lower end of the tie bar (402) and the bottom surface of the groove (403) are of mutually cooperating inclined configurations.