CN204009820U - Touch-screen waterproof construction and touch display - Google Patents
Touch-screen waterproof construction and touch display Download PDFInfo
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- CN204009820U CN204009820U CN201420412339.8U CN201420412339U CN204009820U CN 204009820 U CN204009820 U CN 204009820U CN 201420412339 U CN201420412339 U CN 201420412339U CN 204009820 U CN204009820 U CN 204009820U
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Abstract
The utility model discloses a kind of touch-screen waterproof construction, comprise fore shell, be close to the touch-screen that described fore shell arranges, on the position that described fore shell contacts with described touch-screen, form seal groove, in described seal groove, be provided with water-proof sealing strip, one is long and the other is short arranges for the two opposite side walls of described seal groove, described water-proof sealing strip is " L " type, comprise longitudinal bar and Cross slat, and the lateral wall of described longitudinal bar and described Cross slat is in intersection with inclined side transition, and the short sidewall of described seal groove props up the inner side edge setting of described Cross slat.Touch-screen waterproof construction of the present utility model is not only installed and is reprocessed conveniently, and touch-screen kind is adapted to strong, while being particularly used on acoustic wave touching screen, can guarantee, under the prerequisite of water proofing property reliably, to affect hardly the propagation of acoustic signals.
Description
Technical field
The utility model relates to the field of display devices that band touches, and relates in particular to a kind of touch-screen waterproof construction of good water-proof effect.
Background technology
The display device that band touches now uses more and more, particularly the public place such as bank and telecommunications.Touch display accomplishes that waterproof is necessary in this case, otherwise equipment easily intakes, and causes the short circuit of electronic component, makes device damage.Existing touch display generally includes fore shell, touch-screen, display screen, back cover.The place that need to do waterproof mainly concentrates between fore shell and touch-screen.Conventional waterproof scheme mainly contains following several scheme now:
The first scheme is directly pasted with waterproof double faced adhesive tape between fore shell and touch-screen.This mode has following shortcoming: the one, and the difficulty of dismounting, is difficult to pull down after being stained with and does over again; The 2nd, the restriction of using, if touch-screen is acoustic wave touching screen, after double faced adhesive tape bonding, touch-screen cannot be used.
First scheme is beaten silica gel or UV liquid glue between fore shell and touch-screen.This mode has following shortcoming: the one, and the inconvenience of operation, because glue is liquid, flows that it is controlled to be difficult for, as flows to the workspace of touch-screen, easily causes touch-screen work malfunctioning, as flows to touch-screen viewing area, need to clear up unnecessary glue; The 2nd, gelling needs a period of time admittedly, more than particularly silica gel solidifies usually need 24h completely, very wastes man-hour.
For above-mentioned defect, Chinese patent literature CN201417572Y has proposed a kind of touch display, comprise touch-screen and be arranged on touch-screen frame around, scuncheon arranges three ribs, between adjacent rib, form two grooves, in two grooves, be equipped with respectively sealing strip, sealing strip touches and coordinates with touch-screen.Above-mentioned touch display, by two sealing strips are set, touch and coordinate with touch-screen, significantly improved waterproof effect, avoided the artificial not high problem of product quality of dripping adhesive tape in prior art, greatly save manufacturing process and manufacturing cost, also effectively improved the product quality of touch-screen simultaneously.But in this patent documentation, need to arrange two sealing strips, not only increased cost, and production and installation procedure, and the easy wear and aging in most advanced and sophisticated place, after long-term use, easily cause water-tight failure.
Utility model content
For this reason, technical problem to be solved in the utility model is that the waterproof construction arranging between the touch-screen of touch display in prior art and fore shell is unreasonable and causes occurring or waterproof effect, bad or the problem of blocking-up sound wave propagation, and then provide a kind of good water-proof effect, and can not block the touch-screen waterproof construction of Acoustic Wave Propagation.
For solving the problems of the technologies described above, a kind of touch-screen waterproof construction of the present utility model, comprise fore shell, be close to the touch-screen that described fore shell arranges, on the position that described fore shell contacts with described touch-screen, form seal groove, in described seal groove, be provided with water-proof sealing strip, one is long and the other is short arranges for the two opposite side walls of the xsect of described seal groove, the xsect of described water-proof sealing strip is " L " type, comprise longitudinal bar and Cross slat, and the lateral wall of described longitudinal bar and described Cross slat in intersection with inclined side transition, the short sidewall of described seal groove props up the inner side edge setting of described Cross slat.
In touch-screen waterproof construction of the present utility model, the length of Cross slat lateral wall is 0.5-1.2 millimeter.
In touch-screen waterproof construction of the present utility model, described longitudinal bar lateral wall and described lopsided intersection point to the width between described longitudinal bar madial wall meets: the correspondence position of this width and described seal groove forms transition fit.
In touch-screen waterproof construction of the present utility model, the height of the end sidewalls of described Cross slat is 0.5-1.5 millimeter, and decrement is 0.3-0.8 millimeter.
In touch-screen waterproof construction of the present utility model, described water-proof sealing strip is silicon rubber, and hardness is 60-70shore.
In touch-screen waterproof construction of the present utility model, the long sidewall of described seal groove is than 0.5 millimeter of short sidewall length.
A touch display, comprises the press strip that is arranged on described touch-screen back, and is close to the display screen that described press strip arranges, the back cover docking with described fore shell.
In touch display of the present utility model, four limits and the described press strip of described fore shell are fastenedly connected by some double-screw bolts, the centre on four limits of described fore shell be respectively equipped with one described in double-screw bolt, the described double-screw bolt of centre of take is benchmark, to both sides, be interval with a plurality of double-screw bolts, wherein in both sides, corner, and the distance that digression falls between two nearest double-screw bolts is slightly longer than the distance between two double-screw bolts of other adjacent positions.
In touch display of the present utility model, the distance between adjacent two double-screw bolts of other positions is 60-100 millimeter, and the distance that both sides, corner digression falls between two nearest double-screw bolts is 90-130 millimeter.
In touch display of the present utility model, the distance between adjacent two double-screw bolts of other positions is 80 millimeters, and the distance that both sides, corner digression falls between two nearest double-screw bolts is 110 millimeters.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1, touch-screen waterproof construction of the present utility model is to touch-screen kind strong adaptability, can be used on capacitance plate, touch screens, on infrared screen and sound wave screen, acoustic wave touching screen particularly, not only waterproof effect is reliable, can reach IP65 grade, and little to the blocking-up of acoustic signals in acoustic wave touching screen, do not affect the use on acoustic wave touching screen.
2, the adhesive tape handling ease in touch-screen waterproof construction of the present utility model.The mould that has a cross sectional shape, adhesive tape finished product that can production random length, can adapt to the water-tight of the touch display of each size.
3, touch-screen waterproof construction of the present utility model is installed and is reprocessed conveniently, can save man-hour in a large number.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the overall diagram of touch-screen waterproof construction of the present utility model;
Fig. 2 is the assembling view of touch-screen display;
Fig. 3 is the partial enlarged drawing of Fig. 2 part;
Fig. 4 is the structural representation of water-proof sealing strip of the present utility model;
Fig. 5 is the structural representation of seal groove of the present utility model;
Fig. 6 is the fit structure schematic diagram of adhesive tape and fore shell groove, touch-screen;
The initialize signal schematic diagram that Fig. 7 (a) is acoustic wave touching screen;
The double-screw bolt distance that Fig. 7 (b) is fore shell is selected touch screen signal schematic diagram improperly;
The double-screw bolt distance that Fig. 7 (c) is fore shell is selected suitable touch screen signal schematic diagram;
In figure, Reference numeral is expressed as: 1-fore shell; 2-water-proof sealing strip; 3-touch-screen; 4-press strip; 5-seal groove; The longitudinal bar of 6-; 7-Cross slat; 8-inclined side; 9-Cross slat lateral wall; The longitudinal bar lateral wall of 10-; The longitudinal bar madial wall of 11-; 12-Cross slat madial wall; The long sidewall of 13-; The short sidewall of 14-; 15-display screen; 16-back cover; 17a-double-screw bolt (other positions), 17b-double-screw bolt (both sides, corner digression falls the most nearby), 18-intersection point, 19-end sidewalls.
Embodiment
Below with reference to accompanying drawing, use following embodiment to be further elaborated the utility model.
As Figure 4-Figure 6, a kind of touch-screen waterproof construction of the present embodiment, comprise fore shell 1, be close to the touch-screen 3 that described fore shell 1 arranges, on the position that described fore shell 1 contacts with described touch-screen 3, form seal groove 5, in described seal groove 5, be provided with water-proof sealing strip 2, one is long and the other is short arranges for the two opposite side walls of the xsect of described seal groove 5, the xsect of described water-proof sealing strip 2 is " L " type, comprise longitudinal bar 6 and Cross slat 7, and the lateral wall of described longitudinal bar 6 and described Cross slat 7 in intersection with inclined side 8 transition, the short sidewall 14 of described seal groove 5 props up the madial wall setting of described Cross slat 7.The setting of the water-proof sealing strip 2 of said structure, in the time of can making water-proof sealing strip 2 pack in seal groove 5, the lateral wall of the Cross slat of water-proof sealing strip 2 is relatively fixing in the position that press strip 4 rear distortion are installed, all toward the visible area Direction distortion of touch-screen, and can not produce distortion, sealed waterproof effect is better.
Cross slat lateral wall 9 is the face that water-proof sealing strip 2 contacts with touch-screen 3, is also the key point of water-tight.Therefore, its width is important parameter, if too narrow, with touch-screen 3 surface of contact very little, easily cause water-tight failure; Too wide, the distortion after water-proof sealing strip 2 pressurizeds is not easy to control, and when using acoustic wave touching screen, wide adhesive tape is the wave propagation of blocking-up sound too much, and acoustic wave touching screen was lost efficacy.Therefore, the length of Cross slat lateral wall 9 is that 0.5-1.2 millimeter is proper.In the present embodiment, the length of described Cross slat lateral wall 9 is 1 millimeter.
Described longitudinal bar lateral wall 10 is dip plane, and vergence direction is that described longitudinal bar lateral wall 10 tilts towards longitudinal bar madial wall 11 directions.Arrange like this, can, so that the width of water-proof sealing strip 2 longitudinal bars 10 is slightly narrower than the width of the seal groove of fore shell 15, install easily.
The intersection point 18 of described longitudinal bar lateral wall 10 and described inclined side 8 and Cross slat madial wall 12 are on same straight line.The intersection point 18 of described longitudinal bar lateral wall 10 and described inclined side 8 to the width between described longitudinal bar madial wall 11 meets: the correspondence position of this width and described seal groove 5 forms transition fit.If while adopting clearance fit, water-proof sealing strip 2 easily comes off after installing; While adopting interference fit, during water-proof sealing strip 2 installation, need to have an action of elongating to water-proof sealing strip 2, although install firmly like this, the stretcher strain of water-proof sealing strip 2 is inconsistent, and meeting contact inconsistent with touch-screen 3, cause water-tight failure.The significant dimensions that the height of the end sidewalls 19 of Cross slat is waterproof sealing, it is controlling the deflection of water-proof sealing strip 2 after compression, and it is too large that deflection selects, and press strip 4 may be difficult to subdue, and product can arch upward; It is too little that deflection selects, and when fore shell 1 has distortion, may cause water-proof sealing strip 2 to contact with touch-screen 3 bad, thus water-tight failure.Therefore, the height of the end sidewalls 19 of described Cross slat 7 is 0.5-1.5 millimeter, and decrement is that 0.3-0.8 millimeter is good.In the present embodiment, the height of the end sidewalls 19 of described Cross slat 7 is preferably 1 millimeter, and decrement is preferably 0.5 millimeter.
Except the shape of water-proof sealing strip, its material and hardness are also most important.Material need to be considered working temperature, and deformation mainly also will be considered when using acoustic wave touching screen, the situation of this material to acoustic signals blocking-up, and it is the smaller the better to sound wave blocking-up.In the present embodiment, described water-proof sealing strip 2 is preferably silicon rubber, and the blocking-up situation to sound wave during material selection silicon rubber is more satisfactory, and processing and price also more satisfactory.The hardness of water-proof sealing strip is also important parameter, too soft, when using acoustic wave touching screen, more serious to acoustic signals blocking-up; Too hard, be not easy compression deformation, sealed waterproof effect is undesirable.When material hardness is 60-70 (shore), situation is more satisfactory.It is 65 (shore) that the present embodiment gathers its hardness of employing.
The long sidewall 13 of described seal groove 5 is than 0.5 millimeter of described short sidewall 14 length.Fig. 6 is that water-proof sealing strip 2 is installed situation about coordinating in the seal groove 5 of fore shell 1.After press strip 4 is installed, the end face of the long sidewall 13 of fore shell 1 props up touch-screen 3, the Cross slat lateral wall of water-proof sealing strip 2 touches touch-screen 3, after the Cross slat lateral wall pressurized of water-proof sealing strip 2, be out of shape, fill the end face of the short sidewall 14 of expiring fore shell 1 and the space between touch-screen 30, thereby reach the effect of water-tight.
As shown in Figure 1-2, a kind of touch display of the present embodiment, when having above-mentioned touch-screen waterproof construction, also comprises the press strip 4 that is arranged on described touch-screen 3 back, and the display screen 15 of being close to described press strip 4 settings, the back cover 16 docking with described fore shell 1.Use press strip 4 that touch-screen 3 is pushed down, and be fixed on fore shell 1, press strip 4 is when pushing down touch-screen 3, and water-proof sealing strip in the seal groove 5 of fore shell 12 can compressed and distortion, and water-proof sealing strip 2 can allow and between fore shell 1 and touch-screen 3, reach the effect of water-tight like this.Sealing groove 5 in periphery, touch-screen viewing area around viewing area one circle, for reaching better waterproof effect, the joint of described water-proof sealing strip 2 is arranged on the top of the touch-screen 3 of mounted touch display.
Four limits and the described press strip 4 of described fore shell 1 are fastenedly connected by some double-screw bolts.Fore shell 10 can be moulding, aluminum component or ironware, and what the present embodiment adopted is moulding.Double-screw bolt is connected to touch-screen 3 and adhesive tape 2 compressions on fore shell 1.Because fore shell 1 usually can deform, and the distortion of fore shell can make water-tight difficulty strengthen, and need to try every possible means to reduce the impact of distortion; Modal distortion is generally maximum in the middle on each limit; So should there be double-screw bolt the middle on each limit of fore shell.Double-screw bolt distance at fore shell 1 corner is also important, and due at corner, the double-screw bolt on two limits all can have dual compression left and right to the water-proof sealing strip 2 of corner, causes acoustic wave touching screen signal blocker serious, causes touch-screen to lose efficacy; Therefore, as shown in Figure 1, the described double-screw bolt of centre of take is benchmark, is interval with a plurality of double-screw bolts to both sides, and wherein in both sides, corner, and the distance that digression falls between two nearest double-screw bolt 17b is slightly longer than the distance between two double-screw bolt 17a of other adjacent positions.In addition, choosing of distance between the double-screw bolt 17b that distance, digression between the double-screw bolt 17a of other positions falls nearest is also very important, if the distance between two adjacent double-screw bolts is excessive, when fore shell deforms, the decrement of waterproof sealing body 2 is different, easily causes water-tight failure; If the distance between two adjacent double-screw bolts is too small, water-proof sealing strip 2 is easily compressed too much to be blocked too much acoustic signals, causes touch-screen to lose efficacy.
When design, the distance between adjacent two double-screw bolt 17a of other positions is that 60-100 millimeter is better, and the distance that both sides, corner digression falls between two nearest double-screw bolt 17b can be better for 90-130 millimeter.In the present embodiment, the distance between adjacent two double-screw bolt 17a of other positions is preferably 80 millimeters, and the distance that both sides, corner digression falls between two nearest double-screw bolt 17b is preferably 110 millimeters.
The whether suitable impact analysis to the initialize signal of acoustic wave touching screen of pitch employing on fore shell below:
The initialize signal that Fig. 7 (a) is acoustic wave touching screen, signal value is more even, good.
Fig. 7 (b) selects touch screen signal improperly for double-screw bolt distance, and inequality signal is even, and drop is large, to touching, has adverse effect.Wherein
The signal place that stands out: a place, c place, illustrate that herein the signal of sound wave screen is blocked seldom even and does not have, the compressed amount of water-proof sealing strip 2 is very little, may cause water-tight failure;
Signal lower: b place, d place, illustrate and have double-screw bolt herein that water-proof sealing strip 2 is had to certain decrement, acoustic wave touching screen signal is had to certain blocking effect; Wherein d place is the signal of touch-screen corner, d place is lower than c place signal as seen from the figure, because fore shell 1 is selected smaller in corner double-screw bolt distance, the water-proof sealing strip 2 of corner is had to dual compression left and right, cause acoustic wave touching screen signal blocker serious, cause acoustic signals lower, impact touches.
Fig. 7 (c) selects suitable double-screw bolt distance for fore shell 1, and after installing, the signal of acoustic wave touching screen, can find out on figure.Although with the signal of Fig. 7 (a) has a little difference, overall signal is still more even, touch effect relatively good.
The installation process of touch-screen waterproof construction of the present utility model:
First water-proof sealing strip is packed in the seal groove of fore shell, put touch-screen well, then press strip is installed on fore shell, push down touch; While reprocessing, pull down press strip, can separate touch-screen and fore shell.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And among the protection domain that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (10)
1. a touch-screen waterproof construction, comprise fore shell (1), be close to the touch-screen (3) that described fore shell (1) arranges, on the position that described fore shell (1) contacts with described touch-screen (3), form seal groove (5), in described seal groove (5), be provided with water-proof sealing strip (2), it is characterized in that: one is long and the other is short arranges for the two opposite side walls of the xsect of described seal groove (5), the xsect of described water-proof sealing strip (2) is " L " type, comprise longitudinal bar (6) and Cross slat (7), and the lateral wall of described longitudinal bar (6) and described Cross slat (7) in intersection with inclined side (8) transition, the short sidewall (14) of described seal groove (5) props up the madial wall setting of described Cross slat (7).
2. touch-screen waterproof construction according to claim 1, is characterized in that: the length of Cross slat lateral wall (9) is 0.5-1.2 millimeter.
3. touch-screen waterproof construction according to claim 1 and 2, is characterized in that: the intersection point (18) of described longitudinal bar lateral wall (10) and described inclined side (8) to the width between described longitudinal bar madial wall (11) meets: the correspondence position of this width and described seal groove (5) forms transition fit.
4. touch-screen waterproof construction according to claim 3, is characterized in that: the height of the end sidewalls (19) of described Cross slat (7) is 0.5-1.5 millimeter, and decrement is 0.3-0.8 millimeter.
5. touch-screen waterproof construction according to claim 4, is characterized in that: described water-proof sealing strip (2) is silicon rubber, and hardness is 60-70shore.
6. touch-screen waterproof construction according to claim 5, is characterized in that: the long sidewall (13) of described seal groove (5) is than long 0.5 millimeter of described short sidewall (14).
7. a touch display with the touch-screen waterproof construction described in claim 1-6 any one, it is characterized in that: comprise the press strip (4) that is arranged on described touch-screen (3) back, and the display screen (15) of being close to described press strip (4) setting, the back cover (16) docking with described fore shell (1).
8. touch display according to claim 7, it is characterized in that: four limits of described fore shell (1) and described press strip (4) are fastenedly connected by some double-screw bolts, the centre on four limits of described fore shell (1) be respectively equipped with one described in double-screw bolt, the described double-screw bolt of centre of take is benchmark, to both sides, be interval with a plurality of double-screw bolts, wherein in both sides, corner, and the distance that digression falls nearest between two double-screw bolts (17b) is slightly longer than the distance between two double-screw bolts (17a) of other adjacent positions.
9. touch display according to claim 8, it is characterized in that: the distance between adjacent two double-screw bolts (17a) of other positions is 60-100 millimeter, the distance between two double-screw bolts (17b) that both sides, corner digression falls nearest is 90-130 millimeter.
10. touch display according to claim 9, is characterized in that: the distance between adjacent two double-screw bolts (17a) of other positions is 80 millimeters, and the distance between two double-screw bolts (17b) that both sides, corner digression falls nearest is 110 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412339.8U CN204009820U (en) | 2014-07-24 | 2014-07-24 | Touch-screen waterproof construction and touch display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412339.8U CN204009820U (en) | 2014-07-24 | 2014-07-24 | Touch-screen waterproof construction and touch display |
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| CN204009820U true CN204009820U (en) | 2014-12-10 |
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| CN201420412339.8U Active CN204009820U (en) | 2014-07-24 | 2014-07-24 | Touch-screen waterproof construction and touch display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908548A (en) * | 2019-12-09 | 2020-03-24 | 湖北信永辉电子科技有限公司 | Waterproof touch screen with protection mechanism for intelligent household appliance |
| CN115171535A (en) * | 2022-07-12 | 2022-10-11 | 巴可(苏州)医疗科技有限公司 | Installation method of display with sealing waterproof structure |
-
2014
- 2014-07-24 CN CN201420412339.8U patent/CN204009820U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908548A (en) * | 2019-12-09 | 2020-03-24 | 湖北信永辉电子科技有限公司 | Waterproof touch screen with protection mechanism for intelligent household appliance |
| CN115171535A (en) * | 2022-07-12 | 2022-10-11 | 巴可(苏州)医疗科技有限公司 | Installation method of display with sealing waterproof structure |
| CN115171535B (en) * | 2022-07-12 | 2023-11-07 | 巴可(苏州)医疗科技有限公司 | Method for mounting display with sealing waterproof structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200603 Address after: 215316 room 2, 198 CHENFENG East Road, Yushan Town, Kunshan, Suzhou, Jiangsu. Patentee after: JIANGSU TSD ELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 215316, 185, Yucheng South Road, Chengbei, Suzhou, Jiangsu, Kunshan Co-patentee before: Xu Yong Patentee before: JIANGSU TSD ELECTRONICS TECHNOLOGY Co.,Ltd. Co-patentee before: Wang Zhixu |
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| TR01 | Transfer of patent right |