CN217113258U - Capacitive touch screen structure - Google Patents
Capacitive touch screen structure Download PDFInfo
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- CN217113258U CN217113258U CN202220968723.0U CN202220968723U CN217113258U CN 217113258 U CN217113258 U CN 217113258U CN 202220968723 U CN202220968723 U CN 202220968723U CN 217113258 U CN217113258 U CN 217113258U
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- touch screen
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- shell
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Abstract
The utility model relates to a capacitive touch screen structure, it includes the casing and installs the mounting panel in casing one side, be equipped with the touch-sensitive screen installing port on the mounting panel, the edge of touch-sensitive screen installing port is equipped with the sealed crown plate, be equipped with the buckle on the sealed crown plate, be equipped with the bayonet socket that corresponds with the buckle on the inner wall of touch-sensitive screen installing port, the buckle is impressed in the bayonet socket, the inboard installation touch-sensitive screen unit of sealed crown plate, the sealed crown plate has guaranteed the stability and the leakproofness of touch-sensitive screen unit installation, the mode setting that the sealed crown plate passes through the buckle block is on the mounting panel, easy dismounting. The back mounting of casing is vice casing, and the inner chamber bottom of vice casing is equipped with the third support column, installs voltage stabilizing circuit board in the vice casing, and voltage stabilizing circuit board's the back passes through the second support column and supports, and voltage stabilizing circuit board connects the stabiliser, and voltage stabilizing circuit board passes through the circuit to be connected with the circuit board, and the stabiliser has guaranteed the stability of whole capacitanc touch-sensitive screen structure internal voltage.
Description
Technical Field
The utility model belongs to the technical field of the touch-sensitive screen and specifically relates to a capacitive touch screen structure is related to.
Background
The TP touch screen is composed of a panel, a contact sensor, a flexible circuit board, a touch chip and other auxiliary materials. The touch screen is divided into resistive touch and capacitive touch, and the capacitive touch screen is applied to mobile phones and flat panels mostly, can realize multi-point touch, is sensitive to operation, and has the characteristics of difficulty in mistaken touch and high durability.
For example, chinese patent publication No. CN202815770U discloses a touch screen protective structure, which includes a pressing plate portion pressing against an edge of a touch screen, and an installation portion connected to the pressing plate portion and installed on an equipment housing from outside of the touch screen. Meanwhile, the equipment with the touch screen comprises a shell, the touch screen arranged on the shell, and a touch screen protective structural member arranged on the shell.
If also, chinese patent with publication number CN211787053U discloses a waterproof capacitive touch screen device, which comprises a housing, a cover plate, a screw rod, the installation holds the chamber, a notch, touch-sensitive screen and first seal ring, the inside of casing is equipped with the installation and holds the chamber, and the inside in installation appearance chamber is equipped with the touch-sensitive screen, and the notch that is convenient for the touch-sensitive screen to use is seted up on the top of casing, screw rod fixedly connected with apron is passed through to the bottom of casing, and it has first seal ring to glue on the terminal surface that apron and casing are connected, the inside in installation appearance chamber is equipped with the fixed framework that sets up with casing integrated into one piece, the inboard of fixed framework is equipped with the spacing framework rather than parallel, the touch-sensitive screen is located the inboard of spacing framework.
Through the understanding to the correlation technique, the touch-sensitive screen unit of current capacitive touch screen structure is generally the surface of direct mount at the casing, has the problem that the installation leakproofness is not good, and moreover, the circuit board in the casing is generally fixed on the inner wall of casing cavity through the bolt laminating, and the installation cushioning nature of circuit board, voltage stability are not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a capacitive touch screen structure in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a capacitive touch screen structure comprises a shell and a mounting plate arranged on one side of the shell, wherein a touch screen mounting opening is formed in the mounting plate, a sealing ring plate is arranged at the edge of the touch screen mounting opening, a buckle is arranged on the sealing ring plate, a bayonet corresponding to the buckle is arranged on the inner wall of the touch screen mounting opening, the buckle is pressed into the bayonet, and a touch screen unit is arranged on the inner side of the sealing ring plate;
the touch screen unit comprises a touch screen panel and a contact sensor arranged on the back of the touch screen panel;
the shell comprises an upper shell and a lower shell which are spliced with each other, and a bottom plate connected with the upper shell and the lower shell is arranged on one side of the shell;
a circuit board is installed in the shell, first supporting columns are arranged at four corners of the circuit board, and the end portions of the first supporting columns are supported on the back face of the sealing ring plate.
Further, be equipped with the fixture who is used for fixed circuit board on the inner wall of casing, fixture is including installing first annular grip block and the second annular grip block on casing inner wall down, and the edge block of circuit board is between first annular grip block and second annular grip block.
Furthermore, a touch chip is mounted on the circuit board and electrically connected with the contact sensor.
Furthermore, the inside of going up the casing is equipped with first link plate, and the back of circuit board is equipped with the installation piece, and first link plate passes through bolt and installation piece fixed connection, is equipped with the USB interface on the first link plate, and the USB interface passes through the circuit connection circuit board.
Furthermore, the inside of lower casing is equipped with the second link plate rather than being connected, is equipped with the signal line interface on the second link plate, and the signal line interface passes through circuit connection circuit board.
Further, the back of bottom plate is equipped with the auxiliary casing, and the inner chamber bottom of auxiliary casing is equipped with the second support column, installs the steady voltage circuit board in the auxiliary casing, and the back of steady voltage circuit board passes through the second support column to be supported, and the steady voltage circuit board is connected the stabiliser, and the steady voltage circuit board passes through the circuit and is connected with the circuit board.
Furthermore, a third annular clamping plate and a fourth annular clamping plate are arranged on the inner wall of the auxiliary shell, and the edge of the voltage stabilizing circuit board is clamped between the third annular clamping plate and the fourth annular clamping plate.
Furthermore, the surface of the upper shell or the lower shell is provided with heat dissipation holes.
Furthermore, the first support column and the second support column are made of rubber.
The utility model has the advantages that: 1. the touch screen mounting port is formed in the mounting plate, the sealing ring plate is arranged at the edge of the touch screen mounting port, the buckle is arranged on the sealing ring plate, the bayonet corresponding to the buckle is formed in the inner wall of the touch screen mounting port, the buckle is pressed into the bayonet, the touch screen unit is mounted on the inner side of the sealing ring plate, the sealing ring plate ensures the mounting stability and the sealing performance of the touch screen unit, and the sealing ring plate is arranged on the mounting plate in a buckle clamping mode and is convenient to assemble and disassemble;
2. the inner wall of the shell is provided with a clamping mechanism for fixing the circuit board, the clamping mechanism comprises a first annular clamping plate and a second annular clamping plate which are arranged on the inner wall of the lower shell, the edge of the circuit board is clamped between the first annular clamping plate and the second annular clamping plate, and the circuit board is arranged in a clamping and fixing mode, so that the circuit board is convenient to assemble and disassemble; the four corners of the circuit board are provided with first supporting columns, the end parts of the first supporting columns are supported on the back surface of the sealing ring plate, and the first supporting columns play a role in buffering and supporting the sealing ring plate, so that the buffering elasticity of the sealing ring plate after installation is improved;
3. the back of bottom plate is equipped with the auxiliary casing, the inner chamber bottom of auxiliary casing is equipped with the third support column, install the steady voltage circuit board in the auxiliary casing, the back of steady voltage circuit board passes through the second support column and supports, the stabiliser circuit board is connected to the steady voltage circuit board, the steady voltage circuit board passes through the circuit and is connected with the circuit board, the stabiliser has guaranteed the stability of whole capacitanc touch-sensitive screen structure internal voltage, the second support column has played the effect that the buffering was supported to the steady voltage circuit board, leave the clearance between the bottom of steady voltage circuit board and auxiliary casing, the steady voltage circuit board of being convenient for dispels the heat.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of another aspect of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a schematic structural view before the touch screen unit is installed in the present invention;
fig. 5 is a schematic view of the internal structure of the present invention.
Description of reference numerals: 1. a housing; 2. mounting a plate; 3. a touch screen mounting port; 4. a seal ring plate; 5. buckling; 6. a bayonet; 7. a touch screen panel; 8. a contact sensor; 9. an upper housing; 10. a lower housing; 11. a base plate; 12. a circuit board; 13. a first support column; 14. a first annular clamping plate; 15. a second annular clamping plate; 16. a touch chip; 17. a first hanging plate; 18. mounting blocks; 19. a USB interface; 20. a second hanging plate; 21. a signal line interface; 22. a sub-housing; 23. a second support column; 24. a voltage stabilizing circuit board; 25. a voltage regulator; 26. a third annular clamping plate; 27. a fourth annular clamping plate; 28. and (4) heat dissipation holes.
Detailed Description
As shown in fig. 1 to 5, a capacitive touch screen structure includes a housing 1 and a mounting plate 2 mounted on one side of the housing 1, the mounting plate 2 is provided with a touch screen mounting port 3, an edge of the touch screen mounting port 3 is provided with a sealing ring plate 4, the sealing ring plate 4 is provided with a buckle 5, the inner wall of the touch screen mounting port 3 is provided with a bayonet 6 corresponding to the buckle 5, the buckle 5 is pressed into the bayonet 6, and the inner side of the sealing ring plate 4 is provided with a touch screen unit;
the touch screen unit includes a touch screen panel 7 and a contact sensor 8 mounted on the rear surface of the touch screen panel 7;
the shell 1 comprises an upper shell 9 and a lower shell 10 which are spliced with each other, and a bottom plate 11 connected with the upper shell 9 and the lower shell 10 is arranged on one side of the shell 1;
a circuit board 12 is installed in the shell 1, first supporting columns 13 are arranged at four corners of the circuit board 12, and the end parts of the first supporting columns 13 are supported on the back surface of the sealing ring plate 4.
Further, the inner wall of the housing 1 is provided with a clamping mechanism for fixing the circuit board, the clamping mechanism comprises a first annular clamping plate 14 and a second annular clamping plate 15 which are mounted on the inner wall of the lower housing 10, and the edge of the circuit board 12 is clamped between the first annular clamping plate 14 and the second annular clamping plate 15.
Further, a touch chip 16 is mounted on the circuit board 12, and the touch chip 16 is electrically connected to the contact sensor 8.
Further, the inside of upper housing 9 is equipped with first link plate 17, and the back of circuit board 12 is equipped with installation piece 18, and first link plate 17 passes through bolt and installation piece 18 fixed connection, is equipped with USB interface 19 on the first link plate 17, and USB interface 19 passes through circuit connection circuit board 12.
The interior of the lower shell 10 is provided with a second hanging plate 20 connected with the lower shell, the second hanging plate 20 is provided with a signal line interface 21, and the signal line interface 21 is connected with the circuit board 12 through a circuit.
Further, the back of the bottom plate 11 is provided with an auxiliary casing 22, the bottom of the inner cavity of the auxiliary casing 22 is provided with a second support column 23, a voltage stabilizing circuit board 24 is installed in the auxiliary casing 22, the back of the voltage stabilizing circuit board 24 is supported by the second support column 23, the voltage stabilizing circuit board 24 is connected with a voltage stabilizer 25, and the voltage stabilizing circuit board 24 is connected with the circuit board 12 through a circuit.
In addition, the inner wall of the sub-housing 22 is provided with a third annular clamping plate 26 and a fourth annular clamping plate 27, and the edge of the voltage stabilizing circuit board 24 is clamped between the third annular clamping plate 26 and the fourth annular clamping plate 27, so that the voltage stabilizing circuit board 24 is convenient to disassemble and assemble.
Further, in order to facilitate heat dissipation, heat dissipation holes 28 are formed in the surface of the upper case 9 or the lower case 10. In order to improve the buffering elasticity, the first support column 13 and the second support column 23 are made of rubber.
To sum up, a touch screen mounting port 3 is arranged on a mounting plate 2 of the structure, a sealing ring plate 4 is arranged at the edge of the touch screen mounting port 3, a buckle 5 is arranged on the sealing ring plate 4, a bayonet 6 corresponding to the buckle 5 is arranged on the inner wall of the touch screen mounting port 3, the buckle 5 is pressed into the bayonet 6, a touch screen unit is arranged on the inner side of the sealing ring plate 4, the sealing ring plate 4 ensures the stability and the tightness of the installation of the touch screen unit, and the sealing ring plate 4 is arranged on the mounting plate 2 in a buckle clamping manner, so that the assembly and disassembly are convenient;
the inner wall of the shell 1 is provided with a clamping mechanism for fixing the circuit board, the clamping mechanism comprises a first annular clamping plate 14 and a second annular clamping plate 15 which are arranged on the inner wall of the lower shell 10, the edge of the circuit board 12 is clamped between the first annular clamping plate 14 and the second annular clamping plate 15, and the circuit board 12 is installed in a clamping and fixing mode, so that the assembly and disassembly are convenient; the four corners of the circuit board 12 are provided with first supporting columns 13, the end parts of the first supporting columns 13 are supported on the back surface of the sealing ring plate 4, the first supporting columns 13 play a role in buffering and supporting the sealing ring plate 4, and the buffering elasticity of the sealing ring plate 4 after installation is improved;
the back of end bottom plate 11 is equipped with auxiliary housing 22, auxiliary housing 22's inner chamber bottom is equipped with second support column 23, install voltage stabilizing circuit board 24 in the auxiliary housing 22, voltage stabilizing circuit board 24's the back is supported through second support column 23, voltage stabilizing circuit board 24 connects stabiliser 25, voltage stabilizing circuit board 24 passes through the circuit and is connected with circuit board 12, stabiliser 25 has guaranteed the stability of whole capacitive touch screen structure internal voltage, second support column 23 has played the effect that the buffering was supported to voltage stabilizing circuit board 24, leave the clearance between voltage stabilizing circuit board 24 and auxiliary housing 22's the bottom, be convenient for voltage stabilizing circuit board 24 dispels the heat.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A capacitive touch screen structure comprises a shell and a mounting plate arranged on one side of the shell, wherein a touch screen mounting opening is formed in the mounting plate;
the touch screen unit comprises a touch screen panel and a contact sensor arranged on the back of the touch screen panel;
the shell comprises an upper shell and a lower shell which are spliced with each other, and a bottom plate connected with the upper shell and the lower shell is arranged on one side of the shell;
a circuit board is installed in the shell, first supporting columns are arranged at four corners of the circuit board, and the end portions of the first supporting columns are supported on the back face of the sealing ring plate.
2. The capacitive touch screen structure of claim 1, wherein the inner wall of the housing is provided with a clamping mechanism for fixing the circuit board, the clamping mechanism comprises a first annular clamping plate and a second annular clamping plate mounted on the inner wall of the lower housing, and an edge of the circuit board is clamped between the first annular clamping plate and the second annular clamping plate.
3. A capacitive touch screen structure according to claim 1 or 2, wherein a touch chip is mounted on the circuit board, and the touch chip is electrically connected to the contact sensor.
4. The capacitive touch screen structure according to claim 1, wherein a first hanging plate is arranged inside the upper shell, a mounting block is arranged on the back surface of the circuit board, the first hanging plate is fixedly connected with the mounting block through a bolt, a USB interface is arranged on the first hanging plate, and the USB interface is connected with the circuit board through a line.
5. The capacitive touch screen structure according to claim 1, wherein a second hanging plate connected to the lower casing is disposed inside the lower casing, and a signal line socket is disposed on the second hanging plate and connected to the circuit board through a line.
6. The capacitive touch screen structure according to claim 1, wherein a sub-housing is disposed on the back surface of the bottom plate, a second support column is disposed at the bottom of the inner cavity of the sub-housing, a voltage stabilizing circuit board is mounted in the sub-housing, the back surface of the voltage stabilizing circuit board is supported by the second support column, the voltage stabilizing circuit board is connected to a voltage stabilizer, and the voltage stabilizing circuit board is connected to the circuit board through a line.
7. The capacitive touch screen structure according to claim 6, wherein a third annular clamping plate and a fourth annular clamping plate are arranged on the inner wall of the secondary housing, and the edge of the voltage stabilizing circuit board is clamped between the third annular clamping plate and the fourth annular clamping plate.
8. A capacitive touch screen structure according to claim 6, wherein the surface of the upper or lower housing is provided with heat dissipation holes.
9. The capacitive touch screen structure of claim 6, wherein the first support column and the second support column are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968723.0U CN217113258U (en) | 2022-04-25 | 2022-04-25 | Capacitive touch screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968723.0U CN217113258U (en) | 2022-04-25 | 2022-04-25 | Capacitive touch screen structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217113258U true CN217113258U (en) | 2022-08-02 |
Family
ID=82584956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220968723.0U Active CN217113258U (en) | 2022-04-25 | 2022-04-25 | Capacitive touch screen structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217113258U (en) |
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2022
- 2022-04-25 CN CN202220968723.0U patent/CN217113258U/en active Active
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