CN203149535U - Touch screen frame - Google Patents
Touch screen frame Download PDFInfo
- Publication number
- CN203149535U CN203149535U CN 201320082050 CN201320082050U CN203149535U CN 203149535 U CN203149535 U CN 203149535U CN 201320082050 CN201320082050 CN 201320082050 CN 201320082050 U CN201320082050 U CN 201320082050U CN 203149535 U CN203149535 U CN 203149535U
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- screw
- infrared
- touch
- posting
- counterbore
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Abstract
The utility model relates to the field of touch screen installation, in particular to a touch screen frame. The touch screen frame comprises a plurality of infrared positioning frame strips, a positioning frame mounting bracket and fixing plates, wherein all of the infrared positioning frame strips are installed on the positioning frame mounting bracket through the fixing plates. According to the touch screen frame, a mode that the infrared positioning frame strips are fixedly installed on the positioning frame mounting bracket through the fixing plates is utilized, so that the position accuracy required by installation screw holes in an infrared positioning frame and the positioning frame mounting bracket is reduced, thereby reducing the requirement of the integral processing accuracy, and especially, the touch screen frame is favorable for an infrared touch frame in large-size series. Additionally, the positioning frame mounting bracket is used as a support structural part of the infrared positioning frame and a surface cover, so that the assembly relation can be simplified, the size is miniaturized, the debugging is more convenient, and additionally, double-assembly operation of the infrared positioning frame is avoided, thereby avoiding adverse effects of the double-assembly operation on the positioning accuracy of the infrared positioning frame and guaranteeing the positioning accuracy of the whole structure.
Description
Technical field
The utility model relates to the touch-screen installing area, more specifically, relates to a kind of touch-screen framework.
Background technology
Touch screen technology and respective digital interactive device have greatly improved interpersonal interactivity, have enriched people's life, are widely used in fields such as video conference, teaching, more and more become people exchange in the life platform and media.The location technology of using in the digital, interactive equipment has also obtained development fast in recent years.Generally speaking, the location technology of digital, interactive equipment utilization can be divided into two classes: infrared location technology and camera location technology.
In infrared location technology, generally infrared positioning equipment is installed on the infrared touch panel framework, the basic physical construction of common infrared touch panel framework, comprise a framework, this framework is made up of four posting mouldings, form a rectangle frame, in every posting moulding, infrared circuit board is installed all, arrange some infrared lamps and other electronic devices and components on the infrared circuit board, all connect by flexible cord between the infrared circuit board, and in every posting moulding, stick into infrared fileter, all need between the last adjacent positioned circle bar to fix by the connection of angle sign indicating number and screw.The application process of this kind infrared touch panel framework is: framework is installed on the screen by adhesive tape or screw, adds upper cover at last and be screwed, form complete digital, interactive equipment.This structure exists following deficiency or defective:
The one, adjacent two posting mouldings all utilize the angle sign indicating number to connect, and matching relationship is many, and the accurate to dimension of this diagonal angle sign indicating number and assembly precision all require very high, particularly for the infrared touch panel framework of large scale series;
The 2nd, infrared posting framework need be installed to earlier on the screen, and cover is installed again, and double assembly relation is arranged, and during the dress cover, bearing accuracy is had adverse influence;
The 3rd, after infrared posting is installed to screen, also needs to add top frame and fix, make that infrared posting and cover are not synchronous integrated designs, make that final digital, interactive equipment volume is bigger;
The 4th, because the machining precision of angle sign indicating number is higher, make whole framework cost improve.
The utility model content
Technical problem to be solved in the utility model provides a kind of touch-screen framework that can reduce the process and assemble precision.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of touch-screen framework comprises some infrared posting mouldings, also comprises posting mounting bracket and fixed head, and each infrared posting moulding is installed on the posting mounting bracket by fixed head.
Compared with prior art, the beneficial effect of technical solutions of the utility model is:
(1) in the infrared touch framework of prior art, connect by the angle sign indicating number each other between its inner frame, this is the requirement on machining accuracy height of diagonal angle sign indicating number not only, and is also very high to the requirement on machining accuracy of integral body.And the utility model uses infrared posting moulding to be fixed on mode on the posting mounting bracket by fixed head, make the needed positional precision of installation screw on infrared posting and the posting mounting bracket reduce, thereby can reduce whole requirement on machining accuracy, particularly especially favourable for the infrared touch framework of large scale series.
(2) the utility model need not the angle sign indicating number that uses machining precision higher to the assembling of infrared posting moulding, thereby provides cost savings.
(3) the posting mounting bracket of the present utility model supporting structure that is infrared posting, can be used as cover again uses, during assembling, infrared posting moulding is fixed on the infrared posting framework of formation on the posting mounting bracket by fixed head, at last it is directly installed on the screen and can forms digital, interactive equipment, can bring the simplification of assembly relation, the volume miniaturization, and make that debugging is convenient, and avoided the double assembly work of infrared posting, thereby avoided two harmful effects that bearing accuracy to infrared posting produces of reassemblying, guaranteed the bearing accuracy of total.
Description of drawings
Fig. 1 is the surface structure synoptic diagram of a kind of touch-screen framework specific embodiment in the utility model.
Fig. 2 is the structure explosive view of a kind of touch-screen framework of the utility model specific embodiment.
Fig. 3 is the structural representation of fixed head in the utility model specific embodiment.
Fig. 4 is another dimensional structure synoptic diagram of fixed head in the utility model specific embodiment.
Fig. 5 is the structure explosive view of posting mounting bracket in the utility model specific embodiment.
Fig. 6 is the local enlarged diagram of the utility model specific embodiment medium-height trestle spare.
Fig. 7 is the bottom cover structure synoptic diagram of infrared posting moulding in the utility model specific embodiment.
Fig. 8 is the cover structural representation of infrared posting moulding in the utility model specific embodiment.
Fig. 9 is the explosive view of infrared posting in the utility model specific embodiment.
Figure 10 is the debugging synoptic diagram of touch-screen framework in the utility model specific embodiment.
Figure 11 is that the touch-screen frame assembled of the utility model specific embodiment is to the structural representation of display screen.
1 is infrared location moulding, and 2 is the posting mounting bracket, and 3 is fixed head, and 4 is the angle sign indicating number, and 5 is sunk screw;
11 is the bottom on the moulding of infrared location, and 12 is the cover on the moulding of infrared location, and 111 is the minor face on the bottom, 112 is the boss on the bottom minor face, and 113 is the long limit on the bottom, and 114 are second groove on the long limit of bottom, 121 is first groove on the cover, and 122 is the 3rd groove on the cover;
21 is the frame member of posting mounting bracket, and 211 is that left socle, 212 is right support, and 213 is upper bracket, and 214 is lower carriage; 215 is rectangular enclosure, and 216 is the counterbore on the rectangular enclosure, and 217 is the screw that is used for mounting plate on the frame member, and 218 is the mounting hole on the frame member;
31 is the mounting hole on the fixed head, and 32 is the counterbore on the fixed head, and 33 are the hole of dodging on the fixed head;
101 is last bottom, and 102 is upper cover, and 103 is lower bottom cover, 104 is lower cover, and 105 is left bottom, and 106 are left side lid, 107 is right bottom, and 108 are right side lid, 110 long limit optical filters, 120 is the minor face optical filter, and 130 is infrared receiving tube PCBA, and 140 is infrared transmitting tube PCBA assembly, 150 is screw, and 160 are the debugging table, and 170 is tempered glass, 180 is the display screen framework, and 190 is the touch-screen framework.
Embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is described further.
As shown in Figure 1, be the surface structure synoptic diagram of a kind of touch-screen framework specific embodiment in the utility model, as shown in Figure 2, be the structure explosive view of a kind of touch-screen framework of this specific embodiment.As shown in Figure 2, present embodiment comprises some infrared posting mouldings 1, posting mounting bracket 2 and fixed head 3, and each infrared posting moulding 1 is installed on the posting mounting bracket 2 by fixed head 3.
As shown in Figure 3, in the present embodiment, fixed head 3 is L type structure, the one side is provided with some mounting holes 31, the another side is provided with some counterbores 32, and infrared location moulding 1 is fixed on the fixed head 3 by first screw and mounting hole 31, and fixed head 3 is installed on the posting mounting bracket 2 by second screw and counterbore 32, wherein the diameter of mounting hole 31 is greater than the diameter of first screw, and the diameter of counterbore 32 is greater than the diameter of second screw.In this specific embodiment, at first, because fixed head 3 lays respectively at the side of infrared posting and posting mounting bracket 2, utilize fixed head to realize that the limit is connected with the superimposed of limit from utilizing the angle end-to-end connection of sign indicating number realization to change into, reduced the accuracy requirement to the position, junction; Because the mounting hole 31 on the fixed head 3 and the diameter of counterbore 32 are all respectively greater than its corresponding screw diameter, make mounting hole 31 and counterbore 32 on the fixed head 3 have certain redundancy with respect to screw, reduce the corresponding needed positional precision of installation screw on infrared posting moulding and the posting mounting bracket 2, thereby reduced the machining precision of total.
Consider that in addition the lower frame on the touch-screen framework also need install other auxiliary components, make that lower frame and other frames of posting mounting bracket 2 dimensionally can be different, as illustrated in fig. 1 and 2, therefore, based on the dimensional requirement of posting mounting bracket 2 lower frames, the fixed head 3 in the present embodiment can design two kinds of different sizes, a kind of lower frame that adapts to posting mounting bracket 2, as shown in Figure 4, another kind of other frames that adapt to posting mounting bracket 2, as shown in Figure 3.Wherein, the aperture 31 on the fixed head 3 and counterbore 32 can be a plurality of according to the application design of reality.In addition, in order to dodge the auxiliary component of installing on posting mounting bracket 2 lower frames, can also dodge hole 33 in the design of the side of fixed head 3, as shown in Figure 4.
In the present embodiment, infrared posting moulding 1 directly is fixed on the posting mounting bracket 2 by fixed head 3, forms the touch-screen framework, and last touch-screen framework directly is mounted on the screen and can forms digital, interactive equipment.Present embodiment is regulated as transition piece by fixed head 3, make the needed positional precision of installation screw on infrared posting moulding 1 and the posting mounting bracket 2 to reduce, thereby reduce integrally-built machining precision, and can remove the higher angle sign indicating number of machining precision and connect infrared posting moulding, provide cost savings.In addition, posting mounting bracket 2 is the supporting structure of infrared posting in the present embodiment, uses as cover again, and the touch-screen framework need not to install cover after being mounted to screen again, makes assembly relation simple, and volume is littler, debugs simpler.
In a specific implementation process, as shown in Figure 5, posting mounting bracket 2 comprises 4 frame members 21 that are connected and fixed successively by angle sign indicating number 4 and sunk screw 5, and wherein four frame members 21 can be called left socle 211, right support 212, upper bracket 213 and lower carriage 214.This splicing construction of posting mounting bracket 2 is applied to different display sizes easily, and does not need to redesign architectural feature, and different display sizes is that left socle 211, right support 212, upper bracket 213 are different with the length of lower carriage 214.In addition, the supporting construction that posting mounting bracket 2 by frame member 21 assembling both can be used as infrared location moulding 1 directly is mounted to display screen, can serve as cover again uses, need not to install again cover after making infrared posting be installed to display screen, avoided the double assembly work of infrared posting, thereby avoided two harmful effects that bearing accuracy to infrared posting produces of reassemblying, guaranteed the bearing accuracy of total.
As shown in Figure 5, angle sign indicating number 4 wherein is L type structure, and its two ends are provided with for the screw that sunk screw 5 is installed.
Frame member 21 is provided with the counterbore for the screw of mounting plate 3 and established angle sign indicating number 4, and the diameter of the counterbore of established angle sign indicating number 4 is greater than the diameter of sunk screw 5.Particularly, as illustrated in Figures 5 and 6, frame member 21 is L type structure, its bending place is provided with rectangular enclosure 215, the counterbore 216 of established angle sign indicating number 4 is on rectangular enclosure 215 two ends and a face that frame member one side parallels, and sign indicating number 4 one ends in angle insert one of them frame member 21, and the other end inserts another frame member 21, and the screw at its two ends is corresponding with counterbore 216 on the frame member 21, sunk screw 5 is installed on the counterbore 216 of the screw of angle sign indicating number 4 and frame member 21.As, sign indicating number 4 one ends in angle are inserted upper bracket 213, the other end inserts left socle 211, and the screw on the angle sign indicating number 4 aimed at the counterbore on left socle 211 and the upper bracket 213, utilize sunk screw 5 fixing then, because the diameter of the counterbore of established angle sign indicating number 4 has guaranteed that greater than the diameter of sunk screw 5 installation position is equipped with certain redundance, makes that the counterbore 216 needed positional precisions on the frame member 21 have reduced.In addition, because sunk screw 5 is mounted in the counterbore, its head has been imbedded fully in the installed surface of upper bracket 213 or left socle 211 and has not been exposed, and can reduce the size of whole touch screen framework like this.Also be provided with the screw for mounting plate 3 on the frame member 21, particularly, as shown in Figure 6, the screw 217 of mounting plate 3 is arranged on the same one side that rectangular enclosure 215 arranges counterbore 216.Because the diameter of counterbore 32 is greater than second screw on the fixed head 3, makes the screw 217 needed positional precisions that are used for mounting plate 3 on the frame member 21 reduce, thereby reduced the machining precision of total.
In addition, in order to cooperate the installation screen, also be provided with on frame member 21 1 sides for the mounting hole that display screen is installed, as shown in Figure 6, the mounting hole 218 on the frame member 21 specifically is arranged on the side of L type structure.
In a specific implementation process, infrared location moulding 1 comprises bottom 11 and cover 12, as shown in Figure 7, the cross section of bottom 11 is U-shaped structure, one is long and the other is short in U-shaped structure both sides, its minor face 111 is provided with for the screw that corresponding cover is installed, and the bottom of U-shaped structure is provided with the screw for mounting plate; Owing to be used for installing the diameter of mounting hole 31 of infrared location moulding 1 on the fixed head 3 greater than first screw, make the needed positional precision of screw that is used for being fixed to fixed head 3 on the bottom 11 reduce, thereby reduced the machining precision of total.
As shown in Figure 8, the cross section of cover 12 is yi word pattern structure with the level, which is provided with the counterbore that matches with the screw of bottom 11, be installed in by screw on the screw of the counterbore of cover 12 and bottom 11 cover 12 is fixed on the bottom 11, finish the installation of cover 12 and bottom 11.In addition, spacing in order further cover 12 to be carried out, also be provided with the boss 112 of evagination on the minor face 111 of bottom 11, cover 12 1 ends are provided with first groove 121 that cooperates the location with boss 112.
In a specific implementation process, for the ease of optical filter is installed, 113 ends, long limit of bottom 11 are provided with second groove 114, the other end relative with the end that first groove 121 is set is provided with the 3rd groove 122, the second grooves 114 and the 3rd groove 122 installation optical filter that cooperatively interacts on the cover 12.
In a specific implementation process, be provided with the infrared circuit board of infrared transmitting tube or infrared receiving tube for the ease of installation, the long limit 113 of bottom 11 is provided with for the self-clinching nut of placing and install infrared circuit board.
Particularly, as shown in Figure 9, be the explosive view of infrared posting, its each moulding includes a bottom and a cover: go up bottom 101, upper cover 102, lower bottom cover 103, lower cover 104, left bottom 105, left side lid 106, right bottom 107 and right side lid 108 and be installed in long limit optical filter 110, minor face optical filter 120, infrared receiving tube PCBA assembly 130, infrared transmitting tube PCBA assembly 140 and screw 150 on the infrared posting.
The installation method of this specific embodiment is as follows:
Earlier each frame member 21 on the posting mounting bracket 2 is assembled by angle sign indicating number 4 and sunk screw 5, then, several fixed heads 3 are installed in respectively on the bottom 11 of each infrared posting moulding 1, utilize the counterbore 32 on the fixed head 3 that the bottom 11 that assembles is assembled on the posting mounting bracket 2 then; Then, infrared receiving tube PCBA is assembled into infrared receiving tube PCBA assembly, and snap in respectively on the infrared posting moulding 1 in bottom 101, the left bottom 105, and be screwed thereon, infrared transmitting tube PCBA is assembled into infrared transmitting tube PCBA assembly, and snap in respectively in the lower bottom cover 103 and right bottom 107 of infrared posting moulding, and be screwed thereon, connect each infrared transmitting tube PCBA assembly and each infrared receiving tube PCBA assembly with flexible cord then; Then, long limit optical filter 110 snaps in second groove of bottom 101 and lower bottom cover 103, minor face optical filter 120 is snapped in second groove of left bottom 105 and right bottom 107; Optical filter herein is strip, and its cross section has specific radian, infrared light is had the effect of dispersing and gathering amplification.So far, the installment work before the debugging has just been finished.
As shown in figure 10, be the debugging scheme of installation of touch-screen framework 190.Place a tempered glass 170 on the debugging table 160, the touch-screen framework is placed on this tempered glass 170, and digital, interactive equipment uses tempered glass as the protection panel usually, and this adjustment method has effectively been simulated real utilization scene; Then, connect touch-screen framework and computer with cable, open preassembled debugging software in the computer, tool using is regulated the deflection angle of fluorescent tube, and observed data to reach optimum efficiency, has namely been finished debugging.
After debugging is good, respectively upper cover 102, lower cover 104, left side lid 106 and right side lid 108 are placed on bottom 101, lower bottom cover 103, left bottom 105 and the right bottom 107, and the long limit optical filter 110 of chucking and minor face optical filter 120, make to be screwed each cover, namely finished the installation of touch-screen framework.This touch-screen framework have good positioning effect, simple in structure, Installation and Debugging are easy to maintenance, be applied to the advantages such as digital, interactive equipment of different size series easily.
As shown in figure 11, be a kind of typical case's application of this touch-screen framework 190, comprise the mask of display screen and installation display screen on the display screen framework 180, be provided with several screws on the mask, these screws are corresponding with the mounting hole position on the posting mounting bracket.The touch-screen framework is mounted on the display screen framework 180; display screen framework 180 stretches out corresponding cable and connects the touch-screen framework; the infrared posting of touch-screen framework is adjacent to the tempered glass protection panel of display screen; with screw touch-screen framework and display screen framework 180 are installed and fixed; namely formed the complete digital, interactive equipment with touch function; just need not install cover after being installed to infrared posting on the display screen framework 180 this moment again; saved two and reassemblied, reduced the location precision to infrared posting.
Claims (10)
1. a touch-screen framework comprises some infrared posting mouldings, it is characterized in that, also comprises posting mounting bracket and fixed head, and each infrared posting moulding is installed on the posting mounting bracket by fixed head.
2. touch-screen framework according to claim 1, it is characterized in that, described fixed head is L type structure, the one side is provided with some mounting holes, the another side is provided with and some it is installed in counterbore on the posting mounting bracket, infrared location moulding is fixed on the fixed head by first screw and mounting hole, described fixed head is installed on the posting mounting bracket by second screw and counterbore, wherein the diameter of mounting hole is greater than the diameter of first screw, and the diameter of counterbore is greater than the diameter of second screw.
3. touch-screen framework according to claim 1, it is characterized in that, described posting mounting bracket comprises 4 frame members that are connected and fixed successively by angle sign indicating number and sunk screw, frame member is provided with the counterbore for the screw of mounting plate and established angle sign indicating number, the diameter of the counterbore of described established angle sign indicating number is greater than the diameter of sunk screw, sign indicating number one end in angle inserts one of them frame member, the other end inserts another frame member, and the screw at its two ends is corresponding with counterbore on the frame member, described sunk screw is installed on the counterbore of the screw of angle sign indicating number and frame member.
4. touch-screen framework according to claim 3 is characterized in that, described angle sign indicating number is L type structure, and its two ends are provided with for the screw that sunk screw is installed.
5. touch-screen framework according to claim 4 is characterized in that, described frame member is L type structure, and its bending place is provided with rectangular enclosure, and the counterbore of established angle sign indicating number is arranged on rectangular enclosure two ends and the face that frame member one side parallels.
6. touch-screen framework according to claim 5 is characterized in that, described frame member one side is provided with for the mounting hole that display screen is installed.
7. touch-screen framework according to claim 1, it is characterized in that, described infrared location moulding comprises bottom and cover, the cross section of bottom is U-shaped structure, one is long and the other is short in described U-shaped structure both sides, its minor face is provided with for the screw that corresponding cover is installed, and the bottom of U-shaped structure is provided with the screw for mounting plate.
8. touch-screen framework according to claim 7 is characterized in that, also is provided with the boss of evagination on the minor face of described bottom, and the cross section of described cover is yi word pattern structure with the level, and the one end is provided with first groove that cooperates the location with boss.
9. touch-screen framework according to claim 8 is characterized in that, also is provided with the counterbore that matches and cover is fixed on the screw on the bottom for installing with the screw of bottom on the described cover.
10. touch-screen framework according to claim 9, it is characterized in that, the long edge tail place of described bottom is provided with second groove, and the other end relative with the end that first groove is set on the described cover is provided with the 3rd groove, described second groove and the 3rd groove installation optical filter that cooperatively interacts; Also be provided with on the long limit of described bottom for the self-clinching nut of placing and install infrared circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320082050 CN203149535U (en) | 2013-02-22 | 2013-02-22 | Touch screen frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320082050 CN203149535U (en) | 2013-02-22 | 2013-02-22 | Touch screen frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203149535U true CN203149535U (en) | 2013-08-21 |
Family
ID=48977047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320082050 Expired - Fee Related CN203149535U (en) | 2013-02-22 | 2013-02-22 | Touch screen frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203149535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446551A (en) * | 2015-06-15 | 2016-03-30 | 刘晓辉 | Conveniently and quickly assembled electronic whiteboard |
-
2013
- 2013-02-22 CN CN 201320082050 patent/CN203149535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446551A (en) * | 2015-06-15 | 2016-03-30 | 刘晓辉 | Conveniently and quickly assembled electronic whiteboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20200222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |