CN213241125U

CN213241125U - Capacitive touch screen

Info

Publication number: CN213241125U
Application number: CN202022229304.9U
Authority: CN
Inventors: 夏启宇; 熊淮
Original assignee: Wuhan Tuoda Sifang Environmental Protection Technology Co ltd
Current assignee: Wuhan Tuoda Sifang Environmental Protection Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-18
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a capacitive touch screen, which relates to the field of capacitive touch screens and provides the following proposal aiming at the problem that the prior capacitive touch screen can not clean dust on the surface and prevent blue light, which comprises a frame, a cover plate and a cleaning plate, wherein the center of the frame is fixedly connected with a capacitive touch screen body, the top and the bottom of the two sides of the frame are both fixedly connected with limit rods, the surface of each limit rod is sleeved with a first spring, the bottom of the first spring is fixedly connected with the frame, the top of the first spring is fixedly connected with a transmission plate, the center of the driving plate is provided with a first through hole, the driving plate is connected with the limiting rod in a sliding way through the first through hole, the positive one side fixedly connected with stretch cord of driving plate, the equal fixedly connected with card pipe in one side of driving plate, the one side fixedly connected with second spring of card intraductal chamber. The utility model discloses novel structure, and the practicality is strong.

Description

Capacitive touch screen

Technical Field

The utility model relates to a capacitive touch screen field especially relates to a capacitive touch screen.

Background

The capacitive touch screen technology utilizes current induction of a human body to work, the capacitive touch screen is a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with one layer of ITO, the outermost layer is a thin silica glass protective layer, the interlayer ITO coating serves as a working surface, four electrodes are led out from four corners, and the inner layer of ITO serves as a shielding layer to guarantee a good working environment.

The surface of an existing capacitive touch screen can generate dust after long-term use, the dust on the surface cannot be cleaned in time, blue light in the capacitive touch screen cannot be removed, and safety in the use process is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of capacitive touch screen has solved capacitive touch screen and can not clear up and prevent the problem of blue light to the dust on surface.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a capacitive touch screen comprises a frame, a cover plate and a cleaning plate, wherein the center of the frame is fixedly connected with a capacitive touch screen body, the top and the bottom of two sides of the frame are both fixedly connected with a limiting rod, the surface of the limiting rod is sleeved with a first spring, the bottom of the first spring is fixedly connected with the frame, the top of the first spring is fixedly connected with a transmission plate, the center of the transmission plate is provided with a first through hole, the transmission plate is slidably connected with the limiting rod through the first through hole, one side of the front side of the transmission plate is fixedly connected with an elastic rope, one side of the transmission plate is fixedly connected with a clamping pipe, one side of the inner cavity of the clamping pipe is fixedly connected with a second spring, one side of the second spring, which is far away from the clamping pipe, is fixedly connected with a clamping body, one side of the clamping pipe, which is far away from the transmission plate, is provided with a second through, the both sides of clearance board all seted up with the card body cooperation recess that uses, the both sides of clearance board are passed through recess and card body swing joint, the back and the capacitive touch screen body in close contact with of clearance board, hinge and apron swing joint are passed through at the top of frame, the positive central fixedly connected with glass board of apron, the upper segment of apron both sides all with stretch cord fixed connection.

Preferably, the bottom of the capacitive touch screen body is fixedly connected with an FPC (flexible printed circuit) flat cable, the FPC flat cable penetrates through the frame and extends to the outside, one end of the FPC flat cable, which is far away from the frame, is movably connected with a control panel, and one side of the control panel is movably connected with a joint.

Preferably, the positive hypomere of frame is the first magnet piece of the equal fixedly connected with, first magnet piece is the symmetric distribution, the positive upper segment of apron is the second magnet piece of fixedly connected with and first magnet piece cooperation use, the second magnet piece is the symmetric distribution.

Preferably, the surface of the glass plate is coated with a blue light-proof material, and the blue light-proof material is a resin film.

Preferably, the upper sections of the back surfaces of the cover plates are fixedly connected with clamping blocks, and the clamping blocks are symmetrically distributed.

The utility model has the advantages that:

1. by arranging the cover plate, the frame, the elastic rope, the limiting rod, the first spring, the transmission plate, the clamping pipe, the second spring, the clamping body and the cleaning plate, when the capacitive touch screen is used for a period of time, dust appears on the surface of the capacitive touch screen body, the cover plate is opened, the cover plate drives the elastic rope to move, the elastic rope drives the transmission plate to move, the transmission plate drives the cleaning plate to move through the clamping pipe and the clamping body, the cleaning plate cleans the dust on the surface of the capacitive touch screen body, when the cleaning plate needs to be replaced, the cleaning plate is pulled to one side and the clamping body is extruded, the clamping body extrudes the second spring and enables the other end of the cleaning plate to be separated from the groove, the replacement of the cleaning plate is realized, after the cleaning is finished, the cover plate is closed, and the reset of the transmission plate is realized under the elastic force of the;

2. through setting up and preventing the blue light material, can filter the blue light that capacitive touch screen body sent, can be better protect the user of service, the security in the device use has been improved, the practicality of device has been improved, through setting up first magnet piece and second magnet piece, apron and frame interact can be convenient for, avoid more dust to get into the surface of capacitive touch screen body, the practicality of device has been improved, through setting up the fixture block, be convenient for open of apron, be convenient for clear up the device, the practicality of device has been improved.

To sum up, the utility model provides a capacitive touch screen can not clear up and prevent the problem of blue light to the dust on surface, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the cover plate of the present invention;

FIG. 2 is a schematic view of the structure of the cover plate of the present invention;

FIG. 3 is an enlarged view of a portion of the structure A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of the clamp tube and the clamp body of the present invention;

fig. 5 is a schematic structural diagram of the blue light-proof material of the present invention.

Reference numbers in the figures: 1. a frame; 2. a cover plate; 3. cleaning the plate; 4. a capacitive touch screen body; 5. a limiting rod; 6. a first spring; 7. a drive plate; 8. an elastic cord; 9. clamping the pipe; 10. a second spring; 11. a card body; 12. a glass plate; 13. FPC cable arrangement; 14. a control panel; 15. a joint; 16. a first magnet piece; 17. a second magnet piece; 18. a blue light-blocking material; 19. and (7) clamping blocks.

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.

Referring to fig. 1-5, a capacitive touch screen comprises a frame 1, a cover plate 2 and a cleaning plate 3, wherein the center of the frame 1 is fixedly connected with a capacitive touch screen body 4, the top and the bottom of both sides of the frame 1 are fixedly connected with a limiting rod 5, the surface of the limiting rod 5 is sleeved with a first spring 6, the bottom of the first spring 6 is fixedly connected with the frame 1, the top of the first spring 6 is fixedly connected with a transmission plate 7, the center of the transmission plate 7 is provided with a first through hole, the transmission plate 7 is slidably connected with the limiting rod 5 through the first through hole, one side of the front surface of the transmission plate 7 is fixedly connected with an elastic rope 8, one side of the transmission plate 7 is fixedly connected with a clamping tube 9, one side of the inner cavity of the clamping tube 9 is fixedly connected with a second spring 10, one side of the second spring 10 far away from the clamping tube 9 is fixedly connected with a clamping body 11, one side of, the card tube 9 is connected with the card body 11 through a second through hole in a sliding manner, grooves matched with the card body 11 for use are arranged on both sides of the cleaning plate 3, both sides of the cleaning plate 3 are movably connected with the card body 11 through the grooves, the back surface of the cleaning plate 3 is tightly contacted with the capacitive touch screen body 4, the top of the frame 1 is movably connected with the cover plate 2 through a hinge, the center of the front surface of the cover plate 2 is fixedly connected with a glass plate 12, the upper sections of both sides of the cover plate 2 are fixedly connected with the elastic rope 8, the cover plate 2, the frame 1, the elastic rope 8, the limiting rod 5, the first spring 6, the transmission plate 7, the card tube 9, the second spring 10, the card body 11 and the cleaning plate 3 are arranged, when the capacitive touch screen body 4 is used for a period of time, dust appears on the surface of the capacitive touch screen body 4, the cover plate 2 is opened, the elastic rope 8 is driven by the cover plate 2 to move, the elastic rope 8 drives the transmission plate 7, the cleaning plate 3 cleans dust on the surface of the capacitive touch screen body 4, when the cleaning plate 3 needs to be replaced, the cleaning plate 3 is pulled to one side and the clamping body 11 is extruded, the clamping body 11 extrudes the second spring 10 and enables the other end of the cleaning plate 3 to be separated from the groove, replacement of the cleaning plate 3 is achieved, after cleaning is completed, the cover plate 2 is closed, and reset of the transmission plate 7 is achieved under the elastic force action of the first spring 6;

the bottom of the capacitive touch screen body 4 is fixedly connected with an FPC (flexible printed circuit) cable 13, the FPC cable 13 penetrates through the frame 1 and extends to the outside, one end of the FPC cable 13, which is far away from the frame 1, is movably connected with a control panel 14, and one side of the control panel 14 is movably connected with a connector 15;

the lower section of the front side of the frame 1 is fixedly connected with a first magnet piece 16, the first magnet pieces 16 are symmetrically distributed, the upper section of the front side of the cover plate 2 is fixedly connected with a second magnet piece 17 matched with the first magnet piece 16 for use, the second magnet piece 17 is symmetrically distributed, the surface of the glass plate 12 is coated with a blue light-proof material 18, the blue light-proof material 18 is a resin film, the upper section of the back side of the cover plate 2 is fixedly connected with a clamping block 19, the clamping block 19 is symmetrically distributed, the blue light emitted by the capacitive touch screen body 4 can be filtered by the blue light-proof material 18, so that a user can be better protected, the safety of the device in the using process is improved, the practicability of the device is improved, the interaction between the cover plate 2 and the frame 1 can be facilitated by the first magnet piece 16 and the second magnet piece 17, and more dust is prevented from entering the surface of the capacitive touch screen body 4, the practicality of the device is improved, the clamping block 19 is arranged, so that the cover plate 2 can be conveniently opened, the device can be conveniently cleaned, and the practicability of the device is improved.

The working principle is as follows: when dust on the surface of the capacitive touch screen body 4 needs to be cleaned after being used for a period of time, the cover plate 2 is opened by pulling the clamping block 19, the cover plate 2 drives the elastic rope 8 to move, the elastic rope 8 drives the transmission plate 7 to move, the elastic coefficient of the elastic rope 8 is larger than that of the first spring 6, the transmission plate 7 drives the cleaning plate 3 to move through the clamping tube 9 and the clamping body 11, the cleaning plate 3 cleans the dust on the surface of the capacitive touch screen body 4, when the cleaning plate 3 needs to be replaced, the cleaning plate 3 is pulled to one side to press the clamping body 11, the clamping body 11 presses the second spring 10 and enables the other end of the cleaning plate 3 to be separated from the groove, replacement of the cleaning plate 3 is achieved, after cleaning is completed, the cover plate 2 is closed, reset of the transmission plate 7 is achieved under the elastic action of the first spring 6, and the cover plate 2 can be connected with the frame 1 due to the arrangement of the first magnet piece 16 and the second magnet piece 17, more dust is prevented from adhering to the surface of the capacitive touch screen body 4, and the blue light is prevented from being filtered by the blue light preventing material 18 in the operation process of the capacitive touch screen body 4, so that the safety of the device in the use process is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A capacitive touch screen comprises a frame (1), a cover plate (2) and a cleaning plate (3), and is characterized in that the center of the frame (1) is fixedly connected with a capacitive touch screen body (4), the tops and the bottoms of the two sides of the frame (1) are fixedly connected with limiting rods (5), the surface of each limiting rod (5) is sleeved with a first spring (6), the bottom of each first spring (6) is fixedly connected with the frame (1), the top of each first spring (6) is fixedly connected with a driving plate (7), the center of each driving plate (7) is provided with a first through hole, each driving plate (7) is slidably connected with the corresponding limiting rod (5) through the corresponding first through hole, one positive side of each driving plate (7) is fixedly connected with an elastic rope (8), one side of each driving plate (7) is fixedly connected with a clamping pipe (9), one side of the inner cavity of each clamping pipe (9) is fixedly connected with a second spring (10), keep away from card pipe (9) one side fixedly connected with card body (11) in second spring (10), the second through-hole has been seted up to one side that driving plate (7) were kept away from in card pipe (9), card pipe (9) are through second through-hole and the card body (11) sliding connection, the recess that uses with the cooperation of the card body (11) is all seted up to the both sides of cleaning plate (3), recess and the card body (11) swing joint are passed through to the both sides of cleaning plate (3), the back and the capacitanc touch-control screen body (4) in close contact with of cleaning plate (3), hinge and apron (2) swing joint are passed through at the top of frame (1), apron (2) positive central fixedly connected with glass board (12), the upper segment of apron (2) both sides all with stretch cord (8) fixed connection.

2. The capacitive touch screen according to claim 1, wherein an FPC cable (13) is fixedly connected to the bottom of the capacitive touch screen body (4), the FPC cable (13) penetrates through the frame (1) and extends to the outside, a control board (14) is movably connected to one end of the FPC cable (13) away from the frame (1), and a connector (15) is movably connected to one side of the control board (14).

3. The capacitive touch screen according to claim 1, wherein a first magnet piece (16) is fixedly connected to a lower section of the front surface of the frame (1), the first magnet pieces (16) are symmetrically distributed, a second magnet piece (17) used in cooperation with the first magnet piece (16) is fixedly connected to an upper section of the front surface of the cover plate (2), and the second magnet pieces (17) are symmetrically distributed.

4. The capacitive touch screen according to claim 1, wherein the surface of the glass plate (12) is coated with a blue light-blocking material (18), and the blue light-blocking material (18) is a resin film.

5. The capacitive touch screen according to claim 1, wherein the upper section of the back surface of the cover plate (2) is fixedly connected with clamping blocks (19), and the clamping blocks (19) are symmetrically distributed.