CN108595065B - Internal protection structure of touch screen based on grid line design - Google Patents
Internal protection structure of touch screen based on grid line design Download PDFInfo
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- CN108595065B CN108595065B CN201810443582.9A CN201810443582A CN108595065B CN 108595065 B CN108595065 B CN 108595065B CN 201810443582 A CN201810443582 A CN 201810443582A CN 108595065 B CN108595065 B CN 108595065B
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- metal grid
- grid layer
- transparent substrate
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- metal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses an internal protection structure of a touch screen based on grid line design, which comprises a transparent substrate, a cushioning metal grid layer and a pressure feedback metal grid layer, wherein the transparent substrate is in a rectangular plate-shaped structure, the surface of the transparent substrate is provided with limiting clamping grooves, the limiting clamping grooves are in a rectangular cylinder structure, the number of the limiting clamping grooves is two, the two limiting clamping grooves are vertically and symmetrically distributed relative to the transparent substrate, and an anti-scratch protective layer is inserted into the limiting clamping grooves at the upper part; the inserting rods are arranged on the surfaces of the cushioning metal grid layer and the pressure feedback metal grid layer and are butted in the positioning piece, the cushioning metal grid layer and the pressure feedback metal grid layer are fixed, the lower pressure head is extruded when the cushioning metal grid layer and the pressure feedback metal grid layer are installed, the positioning head is inserted in the positioning hole, the anti-scratch protective layer and the feedback electrode plate are fixed, the connection flow inside the touch screen is simplified, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of metal grids, in particular to an internal protection structure of a touch screen based on grid line design.
Background
With the development and progress of mobile electronic product equipment technology, the use of touch screens is particularly important, there are many different touch sensing technologies, mainly capacitive touch screens, which are mainly based on recognizing the planar position information touched by fingers (by obtaining the capacitance change of the point in the X-axis direction electrode and the Y-axis direction electrode, respectively, to accurately calculate the position of a touch point), and with the increasing demand of people on touch technologies, the ideal touch screen needs to sense not only the planar position information of touch but also the vertical pressure (Z-axis direction) of touch, so as to realize the conversion of the traditional interpersonal interaction form from a two-dimensional mode to a three-dimensional mode, but it still has the following disadvantages in practical use:
1. the traditional touch screen mounting method usually adopts one layer of one layer for connection and fixation, the touch screen with a multilayer structure is troublesome to mount and consumes long time, and the production efficiency of the touch screen is reduced;
2. the inside bradyseism structure that lacks of traditional touch-sensitive screen leads to the screen to receive when great pressure extrudees, leads to the damage of inside transparent substrate, needs the complete machine to dismantle during the change, and is comparatively troublesome.
Disclosure of Invention
The present invention is directed to provide an internal protection structure of a touch screen based on a grid line design, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an internal protection structure of a touch screen based on grid line design comprises a transparent substrate, two damping metal grid layers and a pressure feedback metal grid layer, wherein the transparent substrate is of a rectangular plate-shaped structure, limiting clamping grooves are formed in the surface of the transparent substrate and are of a rectangular cylinder structure, the two limiting clamping grooves are vertically and symmetrically distributed relative to the transparent substrate, an anti-scratch protective layer is inserted in the limiting clamping grooves in the upper portion of the transparent substrate, the damping metal grid layers are arranged on the upper portions of the anti-scratch protective layers and are of a rectangular frame structure, longitudinal metal lines and transverse metal lines are fixedly connected in the damping metal grid layers, the longitudinal metal lines and the transverse metal lines are vertically arranged, limiting holes are formed in the nodes of the longitudinal metal lines and the transverse metal lines, and stress sheets are inserted in the limiting holes, the stress sheet is provided with two stress sheets, an elastic strip is fixedly connected between the two stress sheets, the surface of the elastic strip is fixedly connected with a connecting contact, the connecting contact is matched with the inner wall of a limiting hole, the surface of a cushioning metal grid layer is provided with an inserting rod, the inserting rod is inserted in a positioning piece fixedly connected with the surface of a transparent substrate, a feedback electrode plate is inserted in a limiting clamping groove at the lower part, the lower part of the feedback electrode plate is provided with a pressure feedback metal grid layer, the surface of the feedback electrode plate is provided with positioning holes, the positioning holes are provided with two groups, the two groups of positioning holes respectively penetrate through the anti-scratch protective layer and the outer wall of the feedback electrode plate, a positioning head is inserted in the positioning holes, the other end of the positioning head is fixedly connected on the surface of the sliding ring, and a lower pressure head is fixedly, and the sliding ring is connected in a sliding groove arranged in the transparent substrate in a sliding manner, and an elastic wire is fixedly connected between the sliding groove and the sliding ring.
Preferably, the stress sheet is of a circular plate-shaped structure, the diameter of the stress sheet at the upper end is larger than that of the stress sheet at the lower end, the two ends of the limiting hole are both provided with a closing structure, and the diameter of the closing structure is smaller than that of the stress sheet at the lower end.
Preferably, the elastic strips are of arc-shaped strip-shaped structures and are arranged in a plurality of cross shapes, the elastic strips are arranged between the two stress pieces in a cross shape, and the elastic strips protrude outwards from the circle center direction of the stress pieces.
Preferably, the inserted link is semi-circular cylinder structure, and the inserted link is provided with two sets ofly, and two sets of inserted links are fixed connection respectively on the lateral wall on bradyseism metal grid layer and pressure feedback metal grid layer, and the inserted link dislocation distribution on bradyseism metal grid layer and pressure feedback metal grid layer surface.
Preferably, the outside end of lower pressure head is the round platform structure, and the pressure head is provided with two sets ofly down, and two sets of pressure heads are upper and lower symmetric distribution about transparent substrate, and the pressure head is provided with a plurality ofly down in every group, and a plurality of pressure heads are equidistance equidimension range on transparent substrate's outer wall down.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the insertion rods are arranged on the surfaces of the cushioning metal grid layer and the pressure feedback metal grid layer and are in butt joint with the positioning piece, so that the cushioning metal grid layer and the pressure feedback metal grid layer are fixed, the lower pressure head is extruded when the cushioning metal grid layer and the pressure feedback metal grid layer are installed, the positioning head is inserted into the positioning hole, the anti-scratch protective layer and the feedback electrode plate are fixed, the connection flow inside the touch screen is simplified, and the production efficiency is improved;
2. set up spacing hole in bradyseism metal grid layer, the pressure of spacing downthehole atress piece cooperation elasticity strip to upper portion is alleviated, avoids pressure too big and leads to the damaged change problem that brings of transparent substrate.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic view of the connection structure of the stress piece and the elastic strip of the present invention;
FIG. 3 is a schematic view of a transparent substrate according to the present invention;
FIG. 4 is a schematic structural diagram of a feedback metal mesh layer according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1;
FIG. 6 is a schematic view of a connection structure of the slip ring and the transparent substrate according to the present invention.
In the figure: the device comprises a transparent substrate 1, a limiting clamping groove 2, an anti-scratch protective layer 3, a cushioning metal grid layer 4, a longitudinal metal line 5, a transverse metal line 6, a limiting hole 7, a stress sheet 8, an elastic strip 9, a connecting contact 10, an insertion rod 11, a positioning piece 12, a feedback electrode plate 13, a pressure feedback metal grid layer 14, a positioning hole 15, a positioning head 16, a sliding ring 17, a sliding groove 18, an elastic wire 19 and a lower pressing head 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an internal protection structure of a touch screen based on grid line design comprises a transparent substrate 1, a cushioning metal grid layer 4 and a pressure feedback metal grid layer 14, wherein the transparent substrate 1 is of a rectangular plate-shaped structure, the surface of the transparent substrate 1 is provided with two limiting clamping grooves 2, the limiting clamping grooves 2 are of a rectangular cylinder structure, the two limiting clamping grooves 2 are arranged in a vertical symmetrical manner relative to the transparent substrate 1, an anti-scratch protective layer 3 is inserted in the limiting clamping groove 2 at the upper part, the upper part of the anti-scratch protective layer 3 is provided with the cushioning metal grid layer 4, the cushioning metal grid layer 4 is of a rectangular frame structure, the interior of the cushioning metal grid layer 4 is fixedly connected with a longitudinal metal line 5 and a transverse metal line 6, the longitudinal metal line 5 and the transverse metal line 6 are vertically arranged, and a limiting hole 7 is arranged at the node of the longitudinal metal line 5 and the transverse metal line 6, the inside of the limiting hole 7 is inserted with a stress sheet 8, the stress sheet 8 is provided with two stress sheets, an elastic strip 9 is fixedly connected between the two stress sheets 8, the surface of the elastic strip 9 is fixedly connected with a connecting contact 10, the connecting contact 10 is matched with the inner wall of the limiting hole 7, the surface of the cushioning metal grid layer 4 is provided with an inserting rod 11, the inserting rod 11 is inserted in a positioning part 12 fixedly connected with the surface of the transparent substrate 1, the inside of the limiting clamping groove 2 at the lower part is inserted with a feedback electrode plate 13, the lower part of the feedback electrode plate 13 is provided with a pressure feedback metal grid layer 14, the surface of the feedback electrode plate 13 is provided with two groups of positioning holes 15, the two groups of positioning holes 15 are respectively arranged by penetrating through the anti-scratch protective layer 3 and the outer wall of the feedback electrode plate 13, the inside of the positioning hole 15 is inserted with a positioning head 16, the other end, the other end plate surface of the sliding ring 17 is fixedly connected with a lower pressure head 20, the sliding ring 17 is connected in a sliding groove 18 arranged in the transparent substrate 1 in a sliding mode, and an elastic wire 19 is fixedly connected between the sliding groove 18 and the sliding ring 17.
The stress sheet 8 is a circular plate-shaped structure, the diameter of the stress sheet 8 at the upper end is larger than that of the stress sheet 8 at the lower end, closing-up structures are arranged at the two ends of the limiting hole 7, and the diameter of each closing-up structure is smaller than that of the stress sheet 8 at the lower end.
The elastic strips 9 are of arc-shaped strip-shaped structures, a plurality of elastic strips 9 are arranged, the elastic strips 9 are arranged between the two stress pieces 8 in a cross shape, and the elastic strips 9 protrude outwards from the circle center direction of the stress pieces 8.
The inserted link 11 is the semicircular cylinder structure, and inserted link 11 is provided with two sets ofly, and two sets of inserted link 11 respectively fixed connection are on the lateral wall of bradyseism metal grid layer 4 and pressure feedback metal grid layer 14, and bradyseism metal grid layer 4 and the 11 staggered distributions of inserted link on pressure feedback metal grid layer 14 surface.
The outside end of lower pressure head 20 is the round platform structure, and lower pressure head 20 is provided with two sets ofly, and two sets of lower pressure heads 20 are upper and lower symmetric distribution about transparent substrate 1, and every group is provided with down pressure head 20 a plurality ofly, and a plurality of lower pressure heads 20 are equidistance equidimension range on transparent substrate 1's outer wall.
The working principle is as follows: during installation, the anti-scratch protective layer 3 is inserted into the limiting clamping groove 2 on the upper part of the transparent substrate 1, then the cushioning metal mesh layer 4 is lapped on the upper part of the anti-scratch protective layer 3, in the lapping process, the insertion rod 11 on the lower part of the cushioning metal mesh layer 4 is ensured to be inserted into the positioning part 12 on the side wall of the transparent substrate 1, in the inserting process, the insertion rod 11 extrudes the round table structure of the lower pressing head 20, the lower pressing head 20 moves towards the inner side of the transparent substrate 1 until the positioning head 16 is inserted into the positioning hole 15 on the surface of the anti-scratch protective layer 3, thus, the fixing of the anti-scratch protective layer 3 is realized in the process of installing the cushioning metal mesh layer 4, the feedback electrode plate 13 is fixed when the pressure feedback metal mesh layer 14 is installed in the same way, when the pressure on the upper part is transmitted to the surface of the cushioning metal mesh layer 4 in use, the stress sheet 8 extrudes the elastic strip 9 downwards to moderate the pressure, avoid pressure too big and lead to transparent substrate 1's damage, and the atress piece 8 of downside is spacing by the binding off structure of spacing hole 7, avoid breaking away from in spacing hole 7, the inside of holding at spacing hole 7 on the top of the connection contact 10 on elastic strip 9 surface avoids elastic strip 9 to slide at the inner wall of spacing hole 7, realize the fixed to anti-scratch protective layer 3 and feedback electrode board 13 when bradyseism metal grid layer 4 and pressure feedback metal grid layer 14 install, and bradyseism metal grid layer 4 relaxs the pressure on upper portion, avoid transparent substrate 1's damage.
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 (5)
1. The utility model provides an inside protective structure of touch-sensitive screen based on grid line design, includes transparent substrate (1), bradyseism metal mesh layer (4) and pressure feedback metal mesh layer (14), its characterized in that: the transparent substrate (1) is of a rectangular plate-shaped structure, the surface of the transparent substrate (1) is provided with two limiting clamping grooves (2), the limiting clamping grooves (2) are of a rectangular cylinder structure, the two limiting clamping grooves (2) are vertically and symmetrically distributed relative to the transparent substrate (1), an anti-scratch protective layer (3) is inserted into the limiting clamping grooves (2) on the upper portion, a cushioning metal grid layer (4) is arranged on the upper portion of the anti-scratch protective layer (3), the cushioning metal grid layer (4) is of a rectangular frame structure, a longitudinal metal line (5) and a transverse metal line (6) are fixedly connected into the cushioning metal grid layer (4), the longitudinal metal line (5) and the transverse metal line (6) are vertically arranged, and limiting holes (7) are formed in the nodes of the longitudinal metal line (5) and the transverse metal line (6), stress sheets (8) are inserted in the limiting holes (7), two stress sheets (8) are arranged, an elastic strip (9) is fixedly connected between the two stress sheets (8), a connecting contact (10) is fixedly connected to the surface of the elastic strip (9), the connecting contact (10) is matched with the inner wall of the limiting hole (7), an inserting rod (11) is arranged on the surface of the cushioning metal grid layer (4), the inserting rod (11) is inserted in a positioning part (12) fixedly connected with the surface of the transparent substrate (1), a feedback electrode plate (13) is inserted in the limiting clamping groove (2) at the lower part, a pressure feedback metal grid layer (14) is arranged at the lower part of the feedback electrode plate (13), positioning holes (15) are arranged on the surface of the feedback electrode plate (13), two groups of positioning holes (15) are arranged, and the two groups of positioning holes (15) respectively penetrate through the anti-scratch protective layer (3) and the outer wall of the feedback electrode plate (13), and a positioning head (16) is inserted into the positioning hole (15), the other end of the positioning head (16) is fixedly connected to the plate surface of the sliding ring (17), a lower pressing head (20) is fixedly connected to the plate surface of the other end of the sliding ring (17), the sliding ring (17) is slidably connected to a sliding groove (18) formed in the transparent substrate (1), and an elastic wire (19) is fixedly connected between the sliding groove (18) and the sliding ring (17).
2. The internal protection structure of the touch screen based on the grid line design as claimed in claim 1, wherein: the stress sheet (8) is of a circular plate-shaped structure, the diameter of the stress sheet (8) at the upper end is larger than that of the stress sheet (8) at the lower end, closing-up structures are arranged at two ends of the limiting hole (7), and the diameter of each closing-up structure is smaller than that of the stress sheet (8) at the lower end.
3. The internal protection structure of the touch screen based on the grid line design as claimed in claim 1, wherein: the elastic strips (9) are of arc-shaped strip-shaped structures, a plurality of elastic strips (9) are arranged between the two stress pieces (8), the elastic strips (9) are arranged in a cross shape, and the elastic strips (9) protrude outwards from the circle center direction of the stress pieces (8).
4. The internal protection structure of the touch screen based on the grid line design as claimed in claim 1, wherein: the utility model discloses a pressure feedback device, including bayonet joint pole (11), pressure feedback metal grid layer (14), bayonet joint pole (11) are half circular column structure, and bayonet joint pole (11) are provided with two sets ofly, and two sets of bayonet joint pole (11) are fixed connection respectively on the lateral wall of bradyseism metal grid layer (4) and pressure feedback metal grid layer (14), and bradyseism metal grid layer (4) and pressure feedback metal grid layer (14) surface bayonet joint pole (11) staggered distribution.
5. The internal protection structure of the touch screen based on the grid line design as claimed in claim 1, wherein: the outer side end of the lower pressing head (20) is in a circular truncated cone structure, the lower pressing heads (20) are arranged in two groups, the two groups of lower pressing heads (20) are symmetrically distributed up and down relative to the transparent substrate (1), each group of lower pressing heads (20) is provided with a plurality of lower pressing heads, and the plurality of lower pressing heads (20) are arranged on the outer wall of the transparent substrate (1) in equal size at equal intervals.
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2018
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TWM357660U (en) * | 2008-10-31 | 2009-05-21 | Inventec Besta Co Ltd | A player device and push structure |
CN203204581U (en) * | 2013-02-26 | 2013-09-18 | 宏碁股份有限公司 | Touch pad module and electronic device |
CN104750287A (en) * | 2013-12-27 | 2015-07-01 | 宏碁股份有限公司 | Touch module |
CN104405987A (en) * | 2014-11-14 | 2015-03-11 | 无锡伊佩克科技有限公司 | High-sensitivity dynamic expansion oil pipe joint |
CN104375728A (en) * | 2014-11-18 | 2015-02-25 | 业成光电(深圳)有限公司 | Capacitance type touch panel |
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