CN217470387U

CN217470387U - Double-layer circuit board structure

Info

Publication number: CN217470387U
Application number: CN202123324400.2U
Authority: CN
Inventors: 覃立波; 张吉鹍
Original assignee: Suzhou Qinji Electronic Technology Co ltd
Current assignee: Suzhou Qinji Electronic Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-20
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a double-layer circuit board structure, which belongs to the technical field of circuit boards and comprises an upper layer board, wherein a lower layer board is arranged at the lower side of the upper layer board, the lower layer board is connected with the upper layer board through a bracket, a fan is arranged at one end of the bracket close to the middle position of the upper layer board, a power plug is arranged at one side of the upper end of the upper layer board, a first fixing frame is arranged at one side between the upper layer board and the lower layer board, the utility model discloses a filter screen is arranged to splice a first fixing frame and a second fixing frame, a plug board on the first fixing frame enters a slot in the second fixing frame and fixes the first fixing frame and the second fixing frame through a mounting bolt, a limit block on the upper layer board and the lower layer board limits the first fixing frame and the second fixing frame, the fan dissipates heat of the upper layer board and the lower layer board, and the filter screen can filter air entering between the upper layer board and the lower layer board, impurities such as dust and the like are not easy to enter between the upper layer plate and the lower layer plate.

Description

Double-layer circuit board structure

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to double-deck circuit board structure.

Background

The circuit board is named as a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultra-thin circuit board, a printed (copper etching technology) circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.

Chinese patent publication No. CN203457483U discloses a double-layer circuit board with a fan, wherein an upper layer board and a lower layer board of an original double-layer circuit board are provided with an air inlet and an air outlet, when the fan dissipates heat, impurities such as dust can easily pass through a gap between the upper layer board and the lower layer board, or the air inlet enters the double-layer circuit board, and meanwhile, a power socket of the original double-layer circuit board cannot be protected when the power socket is not used.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a double-deck circuit board structure has the difficult characteristics that get into between upper plate and the lower floor's board of impurity such as dust.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-deck circuit board structure, includes the top plate, the downside of top plate is provided with down the plywood, pass through the leg joint between plywood and the top plate down, the support is close to top plate intermediate position one end and is provided with the fan, top plate upper end one side is provided with power plug, one side is provided with fixed frame one between top plate and the lower plywood, one side of keeping away from fixed frame one between top plate and the lower plywood is provided with fixed frame two, all be provided with the filter screen in fixed frame one and the fixed frame two, the one end that fixed frame two is close to fixed frame one is provided with the picture peg, fixed frame one is provided with the slot with the position that the picture peg corresponds, be connected through construction bolt between fixed frame one and the fixed frame two.

Preferably, both sides of the lower end of the upper plate and both sides of the upper end of the lower plate are provided with two limiting blocks, and the fixing frame I and the limiting blocks and the fixing frame II and the limiting blocks are connected in a sliding manner.

Preferably, all be connected through the block between filter screen and the fixed frame one and between filter screen and the fixed frame two, all set up the mounting hole that corresponds with construction bolt on picture peg and the fixed frame one, all be connected through thread engagement between construction bolt and the fixed frame one and between construction bolt and the picture peg.

Preferably, the support and the first fixing frame and the support and the second fixing frame are staggered mutually, and the first fixing frame and the second fixing frame are both of plastic structures.

Preferably, the upper side of the power plug is provided with a protective cover, the inner wall of the protective cover is provided with a rubber pad in an adhering mode through glue, and two sides of the upper end of the protective cover are provided with grooves.

Preferably, the two grooves are symmetrically distributed at the upper end of the protective cover, and the grooves are of arc structures.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the filter screen, splice fixed frame one and fixed frame two, the picture peg on the fixed frame one gets into in the slot in the fixed frame two, and fix fixed frame one and fixed frame two through construction bolt, stopper on upper plate and the lower floor plate simultaneously carries on spacingly to fixed frame one and fixed frame two, the fan dispels the heat to upper plate and lower floor plate, the filter screen can filter the air that gets into between upper plate and the lower floor plate, impurity such as dust is difficult for getting into between upper plate and the lower floor plate.

2. The utility model discloses a set up the visor, can establish the visor cover in power plug upper end when power plug does not use, the rubber pad makes the visor be difficult for following power plug and goes up the landing, and the visor can play the guard action to power plug, prevents that impurity such as dust from influencing the follow-up use quality of power plug in getting into power plug.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the first fixing frame and the second fixing frame of the present invention;

fig. 3 is a bottom perspective view of the first fixing frame and the second fixing frame of the present invention;

fig. 4 is a rear perspective view of the first fixing frame and the second fixing frame of the present invention;

in the figure: 1. an upper plate; 2. a lower layer plate; 3. a first fixing frame; 4. installing a bolt; 5. a second fixing frame; 6. a power plug; 7. a protective cover; 8. a groove; 9. a limiting block; 10. a filter screen; 11. inserting plates; 12. a slot; 13. a rubber pad; 14. a fan; 15. and (4) a bracket.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a double-deck circuit board structure, including upper plate 1, the downside of upper plate 1 is provided with lower plate 2, be connected through support 15 between lower plate 2 and the upper plate 1, support 15 is close to 1 intermediate position one end of upper plate and is provided with

fan

14, 1 upper end one side of upper plate is provided with power plug 6, one side is provided with fixed frame one 3 between upper plate 1 and the lower plate 2, one side of keeping away from fixed frame one 3 between upper plate 1 and the lower plate 2 is provided with fixed frame two 5, all be provided with filter screen 10 in fixed frame one 3 and the fixed frame two 5, the one end that fixed frame two 5 is close to fixed frame one 3 is provided with picture peg 11, the position that fixed frame one 3 and picture peg 11 correspond is provided with slot 12, be connected through construction bolt 4 between fixed frame one 3 and the fixed frame two 5.

Specifically, 1 lower extreme both sides of upper plate and 2 upper end both sides of lower plate all are provided with two stopper 9, are sliding connection between fixed frame 3 and the stopper 9 and between fixed frame two 5 and the stopper 9.

Through adopting above-mentioned technical scheme, stopper 9 can play spacing fixed action to fixed frame one 3 and fixed frame two 5, prevents to take place the displacement between upper plate 1 and lower floor 2 after fixed frame one 3 and the installation of fixed frame two 5.

Specifically, all be connected through the block between filter screen 10 and the fixed frame 3 and between filter screen 10 and the fixed frame two 5, all set up the mounting hole that corresponds with construction bolt 4 on picture peg 11 and the fixed frame 3, all be connected through threaded engagement between construction bolt 4 and the fixed frame 3 and between construction bolt 4 and the picture peg 11.

Through adopting above-mentioned technical scheme, the block is connected and is made things convenient for the installation and the dismantlement of filter screen 10, and construction bolt 4 conveniently connects fixed frame one 3 and fixed frame two 5 fixedly simultaneously.

Specifically, the support 15 and the first fixing frame 3 and the support 15 and the second fixing frame 5 are staggered, and the first fixing frame 3 and the second fixing frame 5 are both of plastic structures.

Through adopting above-mentioned technical scheme, prevent that support 15 from blockking the installation work of fixed frame one 3 and fixed frame two 5, and fixed frame one 3 and fixed frame two 5 set up to plastic construction more light, facilitate the use.

When the fixing frame is used, the first fixing frame 3 and the second fixing frame 5 are spliced, the inserting plate 11 on the first fixing frame 3 enters the inserting groove 12 in the second fixing frame 5, the first fixing frame 3 and the second fixing frame 5 are fixed through the mounting bolt 4, meanwhile, the first fixing frame 3 and the second fixing frame 5 are limited by the limiting blocks 9 on the upper plate 1 and the lower plate 2, the fan 14 dissipates heat of the upper plate 1 and the lower plate 2, the filter screen 10 can filter air entering between the upper plate 1 and the lower plate 2, and impurities such as dust cannot easily enter between the upper plate 1 and the lower plate 2;

example 2

The present embodiment is different from embodiment 1 in that: the upper side of the power plug 6 is provided with a protective cover 7, the inner wall of the protective cover 7 is provided with a rubber pad 13 through glue adhesion, and two sides of the upper end of the protective cover 7 are provided with grooves 8.

By adopting the technical scheme, the protective cover 7 can be sleeved at the upper end of the power plug 6 when the power plug 6 is not used, the rubber pad 13 enables the protective cover 7 not to slide off the power plug 6 easily, the protective cover 7 can protect the power plug 6, and impurities such as dust and the like are prevented from entering the power plug 6 to influence the subsequent use quality of the power plug 6.

Specifically, two grooves 8 are symmetrically distributed on the upper end of the protective cover 7, and the grooves 8 are arranged in an arc-shaped structure.

Through adopting above-mentioned technical scheme, set up recess 8 in protection cover 7 upper end, conveniently take off protection cover 7 from power plug 6, and recess 8 sets up to the arc structure and conveniently fills in recess 8 with the finger, takes off protection cover 7 from power plug 6.

When this embodiment uses, through setting up visor 7, can establish visor 7 cover in power plug 6 upper end when power plug 6 does not use, rubber pad 13 makes visor 7 be difficult for landing from power plug 6, and visor 7 can play the guard action to power plug 6, prevents that impurity such as dust from influencing the follow-up service quality of power plug 6 in getting into power plug 6, sets up recess 8 in visor 7 upper end simultaneously, conveniently takes off visor 7 from power plug 6.

The structure and the working principle of the upper plate 1, the lower plate 2, the power plug 6, the fan 14 and the bracket 15 of the utility model are disclosed in a double-layer circuit board with a fan disclosed in the Chinese patent publication No. CN 203457483U.

The utility model discloses a theory of operation and use flow: when the utility model is used, the device is installed at a proper position, the first fixing frame 3 and the second fixing frame 5 are spliced, the inserting plate 11 on the first fixing frame 3 enters the inserting groove 12 in the second fixing frame 5, the first fixing frame 3 and the second fixing frame 5 are fixed through the installing bolt 4, the limiting blocks 9 on the upper plate 1 and the lower plate 2 limit the first fixing frame 3 and the second fixing frame 5, the fan 14 dissipates heat of the upper plate 1 and the lower plate 2, the filter screen 10 can filter air entering between the upper plate 1 and the lower plate 2, impurities such as dust and the like are not easy to enter between the upper plate 1 and the lower plate 2, the protective cover 7 can be sleeved at the upper end of the power plug 6 when the power plug 6 is not used through the arrangement of the protective cover 7, the rubber pad 13 enables the protective cover 7 not to be easy to slide from the power plug 6, the protective cover 7 can play a role in protecting the power plug 6, prevent that impurity such as dust from influencing the subsequent use quality of power plug 6 in getting into power plug 6, set up recess 8 in protecting cover 7 upper end simultaneously, conveniently take off protecting cover 7 from power plug 6.

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. A double-layer circuit board structure comprises an upper plate (1), and is characterized in that: the lower side of the upper plate (1) is provided with a lower plate (2), the lower plate (2) is connected with the upper plate (1) through a support (15), one end, close to the middle position of the upper plate (1), of the support (15) is provided with a fan (14), one side of the upper end of the upper plate (1) is provided with a power plug (6), one side between the upper plate (1) and the lower plate (2) is provided with a first fixing frame (3), one side, far away from the first fixing frame (3), between the upper plate (1) and the lower plate (2) is provided with a second fixing frame (5), the first fixing frame (3) and the second fixing frame (5) are both provided with a filter screen (10), one end, close to the first fixing frame (3), of the second fixing frame (5) is provided with a plug board (11), and a slot (12) is arranged at a position, corresponding to the first fixing frame (3) and the plug board (11), the first fixing frame (3) is connected with the second fixing frame (5) through a mounting bolt (4).

2. A two-layer circuit board structure according to claim 1, wherein: the utility model discloses a solar cell module, including upper plate (1), stopper (9), fixed frame (3) and stopper (9) and fixed frame two (5) and stopper (9), upper end both sides and lower plywood (2) upper end both sides all are provided with two stopper (9), be sliding connection between fixed frame (3) and stopper (9) and between fixed frame two (5) and stopper (9).

3. A two-layer circuit board structure according to claim 1, wherein: all be connected through the block between filter screen (10) and fixed frame (3) and between filter screen (10) and fixed frame two (5), all set up the mounting hole that corresponds with construction bolt (4) on picture peg (11) and fixed frame (3), all be connected through thread engagement between construction bolt (4) and fixed frame (3) and between construction bolt (4) and picture peg (11).

4. A two-layer circuit board structure according to claim 1, wherein: all stagger each other between support (15) and fixed frame (3) and between support (15) and fixed frame two (5), fixed frame one (3) and fixed frame two (5) all set up to plastic construction.

5. A two-layer circuit board structure according to claim 1, wherein: the power plug is characterized in that a protective cover (7) is arranged on the upper side of the power plug (6), a rubber pad (13) is arranged on the inner wall of the protective cover (7) in a bonding mode through glue, and grooves (8) are formed in two sides of the upper end of the protective cover (7).

6. A two-layer circuit board structure according to claim 5, wherein: two recess (8) are the symmetric distribution in the upper end of protecting cover (7), and recess (8) set up to the arc structure.