CN216218276U

CN216218276U - Circuit board for capacitive touch screen

Info

Publication number: CN216218276U
Application number: CN202122640272.6U
Authority: CN
Inventors: 刘文学
Original assignee: Shenzhen Heng Da Xing Circuit Board Co ltd
Current assignee: Shenzhen Heng Da Xing Circuit Board Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a circuit board for a capacitive touch screen, which relates to the technical field of circuit boards and comprises a mounting plate and a circuit board, wherein the circuit board is movably arranged in the mounting plate; the dismounting assembly comprises a movable plate, a movable rod, a squeezing plate, a first spring, a limiting plate and a second spring, and the movable plate is movably arranged inside the mounting plate. The utility model relates to a circuit board for a capacitive touch screen, which is provided with a dismounting component, when the circuit board breaks down and needs to be replaced or maintained, a user can press a movable plate in a first through hole downwards, at the moment, the movable plate pressed downwards can drive a pressing plate to move downwards, when the pressing plate moves downwards, a limiting plate can be pressed, the pressed limiting plate is contracted inwards under the action of a second spring, and at the moment, the circuit board can be taken out from the inside of a mounting plate.

Description

Circuit board for capacitive touch screen

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board for a capacitive touch screen.

Background

The circuit board is also called circuit board, and the name of the circuit board is: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. 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.

The circuit board is usually used in the use process of the capacitive touch screen, and the circuit board for the capacitive touch screen in the current market is fixed on the mounting plate when in use, and is very inconvenient if the circuit board breaks down in the use process and needs to be replaced or maintained, so that the circuit board for the capacitive touch screen is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a circuit board for a capacitive touch screen, which can effectively solve the problem that the circuit board for the capacitive touch screen in the current market in the background technology is fixed on a mounting plate when in use, and is very inconvenient if the circuit board breaks down in the use process and needs to be replaced or maintained.

In order to achieve the purpose, the utility model adopts the technical scheme that: a circuit board for a capacitive touch screen comprises a mounting plate and a circuit board, wherein the circuit board is movably arranged in the mounting plate, and a dismounting assembly is arranged at the joint of the mounting plate and the circuit board;

the dismouting subassembly includes fly leaf, movable rod, stripper plate, first spring, limiting plate and second spring, the fly leaf activity sets up the inside at the mounting panel, the lower fixed surface of fly leaf is connected with the movable rod, one side fixedly connected with stripper plate of movable rod below, one side of stripper plate is equipped with the limiting plate, one side fixedly connected with second spring of stripper plate is kept away from to the limiting plate, second spring fixed connection is in the inside of circuit board, the first spring of one end fixedly connected with of fly leaf is kept away from to the movable rod, first spring fixed connection is in the inside of mounting panel.

Preferably, the number of the disassembling and assembling components is two, the two groups of disassembling and assembling components are symmetrical about a vertical central axis of the mounting plate, and the circuit board can be fixed inside the mounting plate to a certain extent through the two groups of disassembling and assembling components, so that the phenomenon that the circuit board is loosened in the using process is prevented.

Preferably, first through-hole and second through-hole have been seted up respectively to the both sides of mounting panel upper surface, the fly leaf is located the inside of first through-hole, through first through-hole for the use of fly leaf is comparatively reasonable.

Preferably, the heat dissipation hole has been seted up to the side of mounting panel, the inside wall fixedly connected with filter screen of heat dissipation hole, through the filter screen, can filter the dust that contains in the air when the heat dissipation of heat dissipation hole.

Preferably, the middle part of the inside lower surface of mounting panel is fixedly connected with micromotor, the output fixedly connected with pivot of micromotor, one side fixedly connected with fin of pivot, wherein the input of micromotor and external power supply's output electric connection.

Preferably, the number of the radiating fins is two, the two radiating fins are symmetrical about a vertical central axis of the rotating shaft, and the two radiating fins can accelerate the flow of air flow in the mounting plate, so that the circuit board is convenient to radiate.

Preferably, one side of the circuit board, which is close to the movable rod, is provided with a groove, the second spring is positioned in the groove, and the groove is convenient for the second spring to be used.

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

according to the utility model, through the arrangement of the dismounting assembly, when the circuit board breaks down and needs to be replaced or maintained, a user can press the movable plate in the first through hole downwards, at the moment, the downwardly pressed movable plate can drive the extrusion plate to move downwards, when the extrusion plate moves downwards, the limiting plate can be extruded, the extruded limiting plate contracts inwards under the action of the second spring, at the moment, the circuit board can be taken out from the inside of the mounting plate and then maintained or replaced, and the circuit board can be rapidly dismounted from the inside of the mounting plate through the matching use of the movable plate, the movable rod, the extrusion plate, the first spring, the limiting plate and the second spring, so that the user can replace or maintain the circuit board when the circuit board breaks down, and the use is more convenient.

Drawings

FIG. 1 is a schematic diagram of an overall three-dimensional structure of a circuit board for a capacitive touch screen according to the present invention;

FIG. 2 is an enlarged schematic view of a circuit board for a capacitive touch screen at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of an overall cross-sectional plane structure of a circuit board for a capacitive touch screen according to the present invention;

FIG. 4 is an enlarged schematic diagram of a circuit board for a capacitive touch screen shown in FIG. 3B according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a circuit board for a capacitive touch screen at a position C in fig. 3 according to the present invention.

In the figure: 1. mounting a plate; 2. a circuit board; 3. a first through hole; 4. a second through hole; 5. a filter screen; 6. heat dissipation holes; 7. a movable rod; 8. a pressing plate; 9. a first spring; 10. a movable plate; 11. a limiting plate; 12. a second spring; 13. a groove; 14. a small motor; 15. a heat sink; 16. a rotating shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention is a circuit board for a capacitive touch screen, including a mounting board 1 and a circuit board 2, wherein the circuit board 2 is movably disposed inside the mounting board 1, and a connection portion between the mounting board 1 and the circuit board 2 is provided with a dismounting assembly;

the dismouting subassembly includes fly leaf 10, movable rod 7, stripper plate 8, first spring 9, limiting plate 11 and second spring 12, fly leaf 10 activity sets up in the inside of mounting panel 1, the lower fixed surface of fly leaf 10 is connected with movable rod 7, one side fixedly connected with stripper plate 8 of movable rod 7 below, one side of stripper plate 8 is equipped with limiting plate 11, one side fixedly connected with second spring 12 of stripper plate 8 is kept away from to limiting plate 11, second spring 12 fixed connection is in the inside of circuit board 2, the first spring 9 of one end fixedly connected with of fly leaf 10 is kept away from to movable rod 7, first spring 9 fixed connection is in the inside of mounting panel 1.

The quantity of dismouting subassembly has two sets ofly, and two sets of dismouting subassemblies are symmetrical about the vertical axis of mounting panel 1, through two sets of dismouting subassemblies, can fix circuit board 2 in mounting panel 1's inside to a certain extent to prevent that not hard up phenomenon from appearing in the use of circuit board 2.

First through-hole 3 and second through-hole 4 have been seted up respectively to the both sides of mounting panel 1 upper surface, and fly leaf 10 is located the inside of first through-hole 3, through first through-hole 3 for the use of fly leaf 10 is comparatively reasonable.

Louvre 6 has been seted up to the side of mounting panel 1, and louvre 6's inside wall fixedly connected with filter screen 5 through filter screen 5, can filter the dust that contains in the air when the heat dissipation of louvre 6.

The middle part of the inner lower surface of the mounting plate 1 is fixedly connected with a small motor 14, the output end of the small motor 14 is fixedly connected with a rotating shaft 16, one side of the rotating shaft 16 is fixedly connected with a radiating fin 15, and the input end of the small motor 14 is electrically connected with the output end of an external power supply.

The number of the radiating fins 15 is two, the two radiating fins 15 are symmetrical about a vertical central axis of the rotating shaft 16, and the two radiating fins 15 can accelerate the flow of air flow inside the mounting plate 1, so that the radiating of the circuit board 2 is facilitated.

One side of the circuit board 2 close to the movable rod 7 is provided with a groove 13, the second spring 12 is positioned in the groove 13, and the groove 13 is used for facilitating the use of the second spring 12.

The working principle of the utility model is as follows: when the circuit board 2 breaks down and needs to be replaced or maintained, a user can press the movable plate 10 inside the first through hole 3 downwards, at the moment, the downwardly pressed movable plate 10 can drive the extrusion plate 8 to move downwards, when the extrusion plate 8 moves downwards, the limiting plate 11 can be extruded, the extruded limiting plate 11 contracts inwards under the action of the second spring 12, at the moment, the circuit board 2 can be taken out from the inside of the mounting plate 1 and then maintained or replaced, wherein in the using process of the circuit board 2, the small motor 14 can be started, and under the action of the small motor 14, the radiating fins 15 on two sides of the rotating shaft 16 can be driven to rotate, so that the circuit board 2 is subjected to heat dissipation treatment, and the model of the small motor 14 is XD-3420-2.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a circuit board for capacitive touch screen, includes mounting panel (1) and circuit board (2), circuit board (2) activity sets up the inside at mounting panel (1), its characterized in that: a dismounting component is arranged at the joint of the mounting plate (1) and the circuit board (2);

the disassembly and assembly component comprises a movable plate (10), a movable rod (7), a squeezing plate (8), a first spring (9), a limiting plate (11) and a second spring (12), the movable plate (10) is movably arranged in the mounting plate (1), the lower surface of the movable plate (10) is fixedly connected with a movable rod (7), one side of the lower part of the movable rod (7) is fixedly connected with an extrusion plate (8), a limiting plate (11) is arranged on one side of the extrusion plate (8), a second spring (12) is fixedly connected on one side of the limiting plate (11) far away from the extrusion plate (8), the second spring (12) is fixedly connected inside the circuit board (2), one end of the movable rod (7) far away from the movable plate (10) is fixedly connected with the first spring (9), the first spring (9) is fixedly connected inside the mounting plate (1).

2. The circuit board for the capacitive touch screen according to claim 1, wherein: the number of the dismounting assemblies is two, and the two groups of the dismounting assemblies are symmetrical about a vertical central axis of the mounting plate (1).

3. The circuit board for the capacitive touch screen according to claim 1, wherein: first through-hole (3) and second through-hole (4) have been seted up respectively to the both sides of mounting panel (1) upper surface, fly leaf (10) are located the inside of first through-hole (3).

4. The circuit board for the capacitive touch screen according to claim 1, wherein: louvre (6) have been seted up to the side of mounting panel (1), the inside wall fixedly connected with filter screen (5) of louvre (6).

5. The circuit board for the capacitive touch screen according to claim 1, wherein: the middle part fixedly connected with micromotor (14) of the inside lower surface of mounting panel (1), the output end fixedly connected with pivot (16) of micromotor (14), one side fixedly connected with fin (15) of pivot (16).

6. The circuit board for the capacitive touch screen according to claim 5, wherein: the number of the radiating fins (15) is two, and the two radiating fins (15) are symmetrical about a vertical central axis of the rotating shaft (16).

7. The circuit board for the capacitive touch screen according to claim 1, wherein: one side of the circuit board (2) close to the movable rod (7) is provided with a groove (13), and the second spring (12) is positioned in the groove (13).