CN219644181U

CN219644181U - Multilayer printed wiring board

Info

Publication number: CN219644181U
Application number: CN202320440514.3U
Authority: CN
Inventors: 袁磊; 唐成龙; 袁云
Original assignee: Huizhou Xingbaoshun Electronics Co ltd
Current assignee: Huizhou Xingbaoshun Electronics Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-09-05
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a multilayer printed circuit board which comprises a mounting frame, wherein a group of fixing blocks are fixedly arranged at the lower part of the left end and the lower part of the right end of the mounting frame, connecting holes penetrating up and down are formed in the upper ends of the two groups of fixing blocks, the two groups of fixing blocks are distributed in a bilateral symmetry mode, each group of fixing blocks is two, a fixing plate is fixedly arranged at the left part of the upper end of the mounting frame, a heat dissipation assembly is fixedly arranged at the left end of the fixing plate, and a main body plate is arranged at the upper end of the mounting frame. According to the multilayer printed circuit board, the heat dissipation effect of the multilayer circuit board can be enhanced by arranging the heat dissipation assembly, the fixing frame is fixed on the fixing plate, the driving motor is fixed in the fixing frame, the driving motor drives the rotating column, the rotating column drives the fan blades, wind power is sucked into the fixing frame from the air inlet hole, and the driving motor drives the fan blades to rotate, so that the wind power is transmitted to the lower part of the multilayer circuit board, and the heat emitted by the multilayer circuit board is convenient to process.

Description

Multilayer printed wiring board

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a multilayer printed circuit board.

Background

Along with the continuous development of the electronic equipment industry, the circuit board manufacturing technology is greatly improved, the circuit board can be miniaturized and visualized more by using the circuit board, the circuit board plays a key role in the electric appliance layout, and along with the wide application of the circuit board, the circuit board can be divided into a ceramic circuit board, an alumina ceramic circuit board, a printed circuit board and the like.

The existing multilayer printed circuit board has the following defects that along with the development of electronic equipment, the requirements on the circuit board are higher and higher, however, the circuit on the multilayer circuit board is more and more precise, the performance of the multilayer circuit board relative to that of a single-layer circuit board is higher, but the multilayer circuit board is formed by laminating a plurality of single-layer circuit boards, and compared with the single-layer circuit board, the heat dissipation function of the multilayer circuit board is unchanged, so that the heat dissipation function of the multilayer circuit board is general, and therefore, a novel multilayer printed circuit board is provided.

Disclosure of Invention

The utility model mainly aims to provide a multilayer printed circuit board which can effectively solve the problem that the multilayer printed circuit board is convenient for heat dissipation.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a multilayer printed wiring board, includes the mounting bracket, the equal fixed mounting of mounting bracket left end lower part and right-hand member lower part has a set of fixed block, two sets of the connecting hole of punching through about all having been seted up to the fixed block upper end, two sets of the fixed block is bilateral symmetry distribution and every group sets up to two, mounting bracket upper end left part fixed mounting has the fixed plate, fixed plate left end fixed mounting has radiator unit, the mounting bracket upper end is provided with the main part board, the equal slidable mounting in mounting bracket upper end front portion and upper end rear portion has spacing post.

Preferably, the linking groove has all been seted up to mounting bracket upper end front portion and upper end rear portion, two the draw-in groove has all been seted up on the inside right side in left side of linking groove, a set of spacing hole has all been seted up on mounting bracket left end upper portion and right-hand member upper portion, two sets of spacing hole is bilateral symmetry distribution and every group sets up to two.

Preferably, the heat dissipation assembly comprises a fixing frame, a plurality of air inlets are formed in the left end of the fixing frame, a driving motor is fixedly connected to the inside of the fixing frame, a rotating column is fixedly connected to the output end of the driving motor, fan blades are fixedly connected to the right end of the rotating column, and the fixing frame is fixedly connected to the fixing plate.

Preferably, the plurality of air inlets are distributed in an annular array, and the plurality of fan blades are distributed in an annular array.

Preferably, the left end and the right end of the limiting column are fixedly connected with clamping blocks, the left end and the right end of each clamping block are provided with through holes, and limiting pins are movably connected in the through holes.

Preferably, the limit posts are arranged in two and are symmetrically distributed in front and back, the clamping blocks are slidably connected in the clamping grooves, and the limit pins penetrate through the limit holes and are movably inserted and connected in the through holes.

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

1. according to the utility model, the heat dissipation effect of the multilayer circuit board can be enhanced by arranging the heat dissipation assembly, when the heat dissipation assembly is used, the fixing frame is fixed on the fixing plate, the driving motor is fixed in the fixing frame, the driving motor drives the rotating column, the fan blades are driven by the rotating column, so that wind power is sucked into the fixing frame from the air inlet hole, and the wind power is conveyed to the lower part of the multilayer circuit board under the rotation of the fan blades driven by the driving motor, so that the heat emitted by the multilayer circuit board is convenient to process;

2. according to the utility model, the mounting frame is arranged, so that the multilayer circuit board is convenient to mount and protect, when the multilayer circuit board is used, the mounting frame is firstly provided with the connecting groove, the main body board is clamped in the connecting groove and is limited and fixed by the limiting column, and when the clamping block is clamped in the clamping groove and is reinforced by the limiting pin, the mounting fixation of the main body board is enhanced, and the protection effect can be achieved under the condition that the mounting frame wraps the multilayer circuit board.

Drawings

Fig. 1 is a schematic view of the overall structure of a multilayer printed wiring board according to the present utility model;

fig. 2 is a schematic view of the whole structure of a mounting frame of a multilayer printed wiring board according to the present utility model;

fig. 3 is a schematic diagram of the overall structure of a heat dissipating assembly of a multilayer printed circuit board according to the present utility model;

fig. 4 is a schematic diagram of the overall structure of a limit post of a multilayer printed circuit board according to the present utility model.

In the figure: 1. a mounting frame; 2. a main body plate; 3. a fixed block; 4. a connection hole; 5. a fixing plate; 6. a heat dissipation assembly; 7. a limit column; 8. a connection groove; 9. a clamping groove; 10. a limiting hole; 61. a fixing frame; 62. an air inlet hole; 63. a drive motor; 64. rotating the column; 65. a fan blade; 71. a clamping block; 72. perforating; 73. and a limiting pin.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a multilayer printed wiring board, including mounting bracket 1, mounting bracket 1 left end lower part and right-hand member lower part are all fixed mounting have a set of fixed block 3, and connecting hole 4 that pass through from top to bottom has all been seted up to two sets of fixed block 3 upper ends, and two sets of fixed block 3 are bilateral symmetry distribution and every group sets up two, and mounting bracket 1 upper end left portion fixed mounting has fixed plate 5, and fixed plate 5 left end fixed mounting has radiator unit 6, and mounting bracket 1 upper end is provided with main part board 2, and mounting bracket 1 upper end front portion and upper end rear portion all slidable mounting have spacing post 7.

The front part and the rear part of the upper end of the mounting frame 1 are respectively provided with a connecting groove 8, the right side and the left side of the inside of the two connecting grooves 8 are respectively provided with a clamping groove 9, the upper part and the upper part of the right end of the mounting frame 1 are respectively provided with a group of limiting holes 10, and the two groups of limiting holes 10 are distributed in a bilateral symmetry way and are arranged in two groups; firstly, the mounting frame 1 is provided with the connecting groove 8, the main body board 2 is clamped in the connecting groove 8 and is limited and fixed by the limiting column 7, and when the clamping block 71 is clamped in the clamping groove 9 and is reinforced by the limiting pin 73, the fixing property of the mounting of the main body board 2 is enhanced, and the protection effect can be achieved under the wrapping of the mounting frame 1 on the multilayer circuit board.

The heat dissipation assembly 6 comprises a fixing frame 61, a plurality of air inlets 62 are formed in the left end of the fixing frame 61, a driving motor 63 is fixedly connected inside the fixing frame 61, a rotating column 64 is fixedly connected to the output end of the driving motor 63, fan blades 65 are fixedly connected to the right end of the rotating column 64, and the fixing frame 61 is fixedly connected to the fixing plate 5; the plurality of air inlet holes 62 are distributed in an annular array, and the fan blades 65 are arranged in a plurality of annular arrays.

The left end and the right end of the limiting column 7 are fixedly connected with clamping blocks 71, the left end and the right end of the two clamping blocks 71 are respectively provided with a perforation 72, and a limiting pin 73 is movably connected in the perforation 72; the limiting columns 7 are arranged in two and are symmetrically distributed in the front-back direction, the clamping blocks 71 are connected in the clamping grooves 9 in a sliding mode, and the limiting pins 73 penetrate through the limiting holes 10 and are movably inserted into the through holes 72 in a penetrating mode.

It should be noted that, the present utility model is a multilayer printed circuit board, and the heat dissipation effect of the multilayer printed circuit board can be enhanced by arranging the heat dissipation component 6, when in use, the fixing frame 61 is fixed on the fixing plate 5, the driving motor 63 is fixed in the fixing frame 61, the driving motor 63 drives the rotating column 64, the rotating column 64 drives the fan blade 65, so that wind power is sucked into the fixing frame 61 from the air inlet hole 62, and the driving motor 63 drives the fan blade 65 to rotate, so that the wind power is transmitted to the lower part of the multilayer printed circuit board, and the heat emitted by the multilayer printed circuit board is convenient to process; through setting up mounting bracket 1, make multilayer circuit board be convenient for install and protection, when using, at first offered on mounting bracket 1 and link up groove 8 to with main part board 2 joint in linking groove 8, and spacing fixed by spacing post 7, when fixture block 71 joint at draw-in groove 9 and consolidate by spacer pin 73, thereby strengthen the fixity of main part board 2 installation, and under the parcel of mounting bracket 1 to multilayer circuit board, can play the protective effect.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A multilayer printed wiring board comprising a mounting frame (1), characterized in that: a group of fixing blocks (3) are fixedly arranged at the lower part of the left end and the lower part of the right end of the mounting frame (1), connecting holes (4) which are vertically penetrated are formed at the upper ends of the two groups of fixing blocks (3), the two groups of fixing blocks (3) are distributed in a bilateral symmetry manner, each group of fixing blocks is two, the novel heat dissipation device is characterized in that a fixing plate (5) is fixedly arranged at the left part of the upper end of the mounting frame (1), a heat dissipation assembly (6) is fixedly arranged at the left end of the fixing plate (5), a main body plate (2) is arranged at the upper end of the mounting frame (1), and limit columns (7) are slidably arranged at the front part of the upper end and the rear part of the upper end of the mounting frame (1).

2. A multilayer printed wiring board according to claim 1, wherein: the utility model discloses a mounting bracket, including mounting bracket (1), clamping groove (9), spacing hole (10) are all offered on mounting bracket (1) upper end front portion and upper end rear portion, two linking groove (8) inside left side inside right side all has offered draw-in groove (9), a set of spacing hole (10) are all offered on mounting bracket (1) left end upper portion and right-hand member upper portion, two sets of spacing hole (10) are bilateral symmetry distribution and every group sets up to two.

3. A multilayer printed wiring board according to claim 2, wherein: the heat dissipation assembly (6) comprises a fixing frame (61), a plurality of air inlets (62) are formed in the left end of the fixing frame (61), a driving motor (63) is fixedly connected inside the fixing frame (61), a rotating column (64) is fixedly connected to the output end of the driving motor (63), fan blades (65) are fixedly connected to the right end of the rotating column (64), and the fixing frame (61) is fixedly connected to the fixing plate (5).

4. A multilayer printed wiring board according to claim 3, wherein: the air inlets (62) are distributed in an annular array, and the fan blades (65) are arranged in a plurality and distributed in an annular array.

5. A multilayer printed wiring board according to claim 4, wherein: the left end and the right end of the limiting column (7) are fixedly connected with clamping blocks (71), the left end and the right end of each clamping block (71) are provided with through holes (72), and limiting pins (73) are movably connected in the through holes (72).

6. A multilayer printed wiring board according to claim 5, wherein: the limiting columns (7) are arranged in two and are symmetrically distributed in the front-back direction, the clamping blocks (71) are slidably connected in the clamping grooves (9), and the limiting pins (73) penetrate through the limiting holes (10) and are movably inserted into the through holes (72).