CN209980223U - Infrared touch screen - Google Patents
Infrared touch screen Download PDFInfo
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- CN209980223U CN209980223U CN201920880868.3U CN201920880868U CN209980223U CN 209980223 U CN209980223 U CN 209980223U CN 201920880868 U CN201920880868 U CN 201920880868U CN 209980223 U CN209980223 U CN 209980223U
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- outer frame
- inner frame
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Abstract
The utility model provides an infrared touch screen, which comprises a liquid crystal panel, a rubber frame for installing the liquid crystal panel, panel glass, an outer frame and an inner frame for clamping the panel glass, wherein the inner frame is provided with a first mounting surface close to the panel glass and a second mounting surface far away from the panel glass, and the inner frame is matched with the outer frame through the first mounting surface to clamp the panel glass; the inside casing carries out the centre gripping through second installation face and gluey frame cooperation to liquid crystal display panel, compares the infrared touch-sensitive screen among the prior art and has reduced the structure of special centre gripping liquid crystal display panel to reduced infrared touch-sensitive screen's manufacturing cost to a certain extent, simultaneously, still reduced the assembly step in the infrared touch-sensitive screen assembling process, promoted the installation effectiveness.
Description
Technical Field
The utility model relates to a touch-control technical field, concretely relates to infrared touch screen.
Background
At present, the infrared touch screen fixes the liquid crystal panel by arranging a special fixing frame. As shown in fig. 1, an infrared touch screen disclosed in the prior art includes a panel glass 1 ', and an outer frame 2' and an inner frame 3 'for fixing the panel glass 1'. The infrared touch screen further includes a liquid crystal panel 4 ', and a first fixing frame 5 ' and a second fixing frame 6 ' for fixing the liquid crystal panel 4 ', and the first fixing frame 5 ' and the second fixing frame 6 ' clamp the liquid crystal panel 4 '. And finally, fixing the rear shell 7 'and the outer frame 2' to ensure the safety and reliability of the internal result of the infrared touch screen.
In the infrared touch screen shown in fig. 1 and 2, the panel glass 1 'is clamped by the inner frame 3' and the outer frame 2 ', and the liquid crystal panel 4' needs to be clamped by the first fixing frame 5 'and the second fixing frame 6', so that the infrared touch screen needs to consume too much time when being assembled, and the assembly efficiency is low. In addition, since the existing infrared touch screen includes the above-mentioned plurality of structures for fixing and clamping, the production cost is increased substantially.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned current situation, the utility model discloses a main aim at provides an infrared touch screen to solve the infrared touch screen packaging efficiency who exists among the prior art low, the high problem of manufacturing cost.
In order to achieve the above object, the utility model adopts the following technical scheme:
an infrared touch screen comprises a liquid crystal panel, a rubber frame used for installing the liquid crystal panel, panel glass, an outer frame and an inner frame, wherein the outer frame and the inner frame are used for clamping the panel glass;
the inner frame is matched with the rubber frame through the second mounting surface to clamp the liquid crystal panel.
Preferably, the inner frame comprises a body extending along the front-back direction of the infrared touch screen, a first mounting portion is convexly arranged on one side of the body far away from the outer frame in the direction far away from the outer frame, a first mounting surface is formed on one side of the first mounting portion close to the panel glass, and a second mounting surface is formed on one side of the first mounting portion far away from the panel glass.
Preferably, one side of the first mounting portion, which is close to the panel glass, is provided with a first mounting groove, the first mounting groove is used for mounting a first buffer member, the bottom surface of the first mounting groove forms the first mounting surface, and the first mounting surface is connected with the panel glass through the first buffer member.
Preferably, one side of the first mounting portion, which is far away from the panel glass, is provided with a second mounting groove, the second mounting groove is used for mounting a second buffer member, the bottom surface of the second mounting groove forms the second mounting surface, and the second mounting surface is connected with the liquid crystal panel through the second buffer member.
Preferably, the first and second bumpers comprise foam.
Preferably, one side of the body far away from the first installation part is provided with an outer frame fixing part towards the direction of keeping away from the first installation part, the outer frame is provided with an inner frame fixing part for fixing the inner frame, and the outer frame fixing part is matched with the inner frame fixing part to limit the displacement of the inner frame relative to the outer frame towards the front and back direction.
Preferably, the outer frame fixing part comprises a first outer frame fixing part which is located at the front end of the body, and one end of the first outer frame fixing part, which is far away from the body, is bent towards the front side of the infrared touch screen to form a fixing groove with an opening facing towards the front side; the inner frame fixing part comprises a first inner frame fixing part, the first inner frame fixing part comprises a first protruding structure which is arranged by protruding towards the rear side of the body of the outer frame, and the end part of the first protruding structure is abutted to the bottom surface of the fixing groove.
Preferably, the outer frame fixing part comprises a second outer frame fixing part, the second outer frame fixing part is located at the rear end of the body, the second outer frame fixing part comprises a fixing block formed by protruding the body towards the direction far away from the first mounting part, and an outer frame fixing hole penetrating through the fixing block;
the inner frame fixing part comprises a second inner frame fixing part, the second inner frame fixing part comprises an inner frame fixing hole formed in the body of the outer frame, the outer frame fixing hole and the inner frame fixing hole are coaxially arranged, and the outer frame fixing hole and the inner frame fixing hole form detachable fastening connection through a fastener.
Preferably, the infrared touch screen further comprises a rear shell, and an end portion, close to the rear shell, of the body is abutted against the rear shell so as to limit displacement of the inner frame relative to the outer frame in the front-back direction.
Preferably, the rear shell and the outer frame form a detachable fixed connection through a threaded fastener.
The inside casing of infrared touch screen in this application carries out the centre gripping through cooperating with the frame to panel glass, and the inside casing still carries out the centre gripping to liquid crystal display panel with gluey frame cooperation, compares the infrared touch screen in prior art and has reduced the structure of special centre gripping liquid crystal display panel to reduced infrared touch screen's manufacturing cost to a certain extent, simultaneously, still reduced the assembly step in the infrared touch screen assembling process, promoted the installation effectiveness.
Drawings
Preferred embodiments of an infrared touch screen according to the present invention will be described below with reference to the accompanying drawings. In the figure:
FIG. 1 is a cross-sectional view of an infrared touch screen of the prior art;
FIG. 2 is an exploded view of an infrared touch screen of the prior art;
fig. 3 is a cross-sectional view of an infrared touch screen according to a preferred embodiment of the present invention.
In the figure:
1', panel glass; 2', an outer frame; 3', an inner frame; 4', a liquid crystal panel; 5', a first fixing frame; 6', a second fixed frame; 7', a rear shell;
1. an outer frame; 11. an outer frame body; 111. a first portion; 1111. an infrared light outlet; 112. a second portion; 1121. positioning a groove; 113. a mounting cavity; 114. a circuit board mounting groove; 12. an infrared emitting assembly; 121. an infrared lamp; 122. a circuit board; 123. an optical filter; 13. an inner frame fixing part; 131. a first inner frame fixing portion; 1311. a first bump structure; 132. a second inner frame fixing portion; 1321. inner frame fixing holes;
2. a panel glass;
3. a rear housing; 31. positioning blocks; 32. a rubber frame positioning block; 33. a rear housing fixing hole;
4. a liquid crystal panel;
5. an inner frame; 51. a first mounting surface; 52. a second mounting surface; 53. an inner frame body; 54. a first mounting portion; 541. a first mounting groove; 542. a second mounting groove; 55. an outer frame fixing part; 551. a first outer frame fixing part; 5511. fixing grooves; 552. a second outer frame fixing part; 5521. a fixed block; 5522. outer frame fixing holes;
6. a rubber frame; 61. a rubber frame body; 611. a rear housing locating slot; 62. a clamping portion;
7. a first buffer member;
8. a second buffer.
Detailed Description
The utility model provides an infrared touch screen, when guaranteeing the equipment effect, has simplified infrared touch screen's structure, has promoted the packaging efficiency to manufacturing cost has been reduced to a certain extent.
As shown in fig. 3, the infrared touch screen in the application includes the frame 1, and the frame includes the frame body 11, and the frame body 11 has the first portion 111 that is located the front side of infrared touch screen and the second portion 112 that is located the circumference of infrared touch screen, and the first portion 111 is the section bar of integrative structure with the preferred structure of second portion 112, when conveniently processing for the holistic appearance aesthetic property of infrared touch screen is better. Frame 1 is still including setting up in the inside infrared emission subassembly 12 of frame body 11, and infrared emission subassembly 12 includes infrared lamp 121 and circuit board 122, and infrared lamp 121 is connected with circuit board 122 electricity, and infrared lamp 121 adopts horizontal mode installation to the infrared ray of guaranteeing that infrared lamp 121 launches is parallel with infrared touch screen's panel glass 2. The front end of the outer frame body 11 in the front-back direction of the infrared touch screen is provided with a mounting cavity 113, and a circuit board mounting groove 114 is formed in the inner wall of the mounting cavity 113 and used for mounting and fixing the circuit board 122. The first portion 111 of the outer frame body 11 is provided with an infrared light outlet 1111, and the infrared light outlet 1111 is communicated with the mounting cavity 113 to form an infrared light emitting path. The infrared emission component 12 further includes a filter 123, and the filter 123 is installed at the infrared light outlet 1111 to filter the infrared light emitted from the infrared light outlet 1111. The infrared touch screen further comprises a rear shell 3, the rear shell 3 and the outer frame body 11 are formed by threaded fasteners (not shown in the figure) to be detachably fixedly connected (detailed description is provided later), and the installation and the fixation can be effectively realized while the disassembly and the maintenance are convenient. In order to improve the installation convenience, the positioning groove 1121 is formed in the second portion 112 of the outer frame body 11, the positioning block 31 is formed in the rear shell 3, and when the rear shell 3 and the outer frame body 11 are installed, the positioning block 31 is inserted into the positioning groove 1121, so that the positioning can be quickly realized, and the installation efficiency is improved.
Further, the infrared touch screen further comprises panel glass 2 and a liquid crystal panel 4, wherein the panel glass 2 is arranged in parallel with the liquid crystal panel 4, and the liquid crystal panel 4 is located on the rear side of the panel glass 2. The infrared touch screen further comprises an inner frame 5 and a rubber frame 6, the outer frame 1 and the inner frame 5 are matched to clamp and fix the panel glass 2, and the inner frame 5 and the rubber frame 6 are matched to clamp and fix the liquid crystal panel 4. The inner frame 5 is provided with a first mounting surface 51 close to the panel glass 2 and a second mounting surface 52 far away from the panel glass 2, the inner frame 5 is matched with the outer frame 1 through the first mounting surface 51 to clamp the panel glass 2, and the inner frame 5 is matched with the rubber frame 6 through the second mounting surface 52 to clamp the liquid crystal panel 4. The inside casing 5 just can realize simultaneously panel glass 2 and liquid crystal display panel 4's centre gripping with frame 1 and gluey frame 6 cooperation respectively, only uses a simple structure's inside casing 5 just can replace a plurality of structures that are used for centre gripping liquid crystal display panel 4 and panel glass 2 among the prior art, when guaranteeing the installation reliability, can also reduction in production cost, improves the installation effectiveness.
Specifically, the inner frame 5 includes an inner frame body 53 extending along the front-back direction of the infrared touch screen, a first mounting portion 54 is convexly provided on one side of the inner frame body 53 far away from the outer frame 1 toward the direction far away from the outer frame 1, the first mounting surface 51 is formed on one side of the first mounting portion 54 close to the panel glass 2, and the second mounting surface 52 is formed on one side of the first mounting portion 54 far away from the panel glass 2. The first mounting portion 54 has a first mounting groove 541 on a side close to the panel glass 2, the first mounting groove 541 is used for mounting a first cushion member 7, the first mounting surface 51 is formed on a bottom surface of the first mounting groove 541, and the first mounting surface 51 is connected to the panel glass 2 through the first cushion member 7. Wherein, first bolster 7 includes the bubble cotton, and first bolster 7 can separate first installation department 54 and panel glass 2 direct contact, avoids carrying and in the installation first installation department 54 and the collision of panel glass 2 to cause the damage, improves installation and transport reliability. The rear side wall of the first portion 111 of the outer frame body 11 contacts the front side of the panel glass 2, the first mounting portion 54 contacts the rear side of the panel glass 2 via the first cushion member 7, and the outer frame body 11 cooperates with the inner frame 5 to hold the panel glass 2.
In a preferred embodiment, a side of the first mounting portion 54 away from the panel glass 2 has a second mounting groove 542, the second mounting groove 542 is used for mounting a second cushion member 8, a bottom surface of the second mounting groove 542 forms the second mounting surface 52, and the second mounting surface 52 is connected to the liquid crystal panel 4 through the second cushion member 8. The second buffer member 8 comprises foam, the second buffer member 8 can separate the second mounting surface 52 from being in direct contact with the liquid crystal panel 4, the second mounting surface 52 is prevented from being damaged due to collision with the liquid crystal panel 4 in the carrying and mounting processes, and the mounting and carrying reliability is improved. The front side wall of the liquid crystal panel 4 contacts with the second mounting surface 52 through the second buffer 8, the rear side wall of the liquid crystal panel 4 contacts with the rubber frame 6, preferably, foam is also arranged between the rubber frame 6 and the liquid crystal panel 4, and the rubber frame 6 and the inner frame 5 are matched together to clamp the liquid crystal panel 4. Specifically, gluey frame 6 is including gluing frame body 61, and the one side of gluing frame body 61 that is close to liquid crystal display panel 4 is provided with clamping part 62 towards the protrusion of liquid crystal display panel 4 direction, and clamping part 62 contacts with liquid crystal display panel 4 through the bubble cotton, and the rear end of gluing frame body 61 has backshell constant head tank 611, is provided with gluey frame locating piece 32 on the backshell 3, and when the installation, gluey frame locating piece 32 inserts backshell constant head tank 611, realizes fixing a position fast, promotes the installation effectiveness.
Furthermore, in order to further improve the reliability of the whole mounting structure, the outer frame 1 and the inner frame 5 are quickly and reliably connected together, an outer frame fixing portion 55 for fixing the outer frame 1 is convexly arranged on one side of the inner frame body 53 away from the first mounting portion 54 towards the direction away from the first mounting portion 54, the outer frame 1 is provided with an inner frame fixing portion 13 for fixing the inner frame 5, and the outer frame fixing portion 55 is matched with the inner frame fixing portion 13 to limit the displacement of the inner frame 5 relative to the outer frame 1 in the front-back direction.
Specifically, the outer frame fixing portion 55 includes a first outer frame fixing portion 551, the first outer frame fixing portion 551 is located at the front end of the inner frame body 53, and one end of the first outer frame fixing portion 551, which is far away from the inner frame body 53, is bent toward the front side of the infrared touch screen to form a fixing groove 5511 with an opening facing the front side. The inner frame fixing portion 13 includes a first inner frame fixing portion 131, the first inner frame fixing portion 131 includes a first protrusion structure protruding from the outer frame body 11 toward the rear side, and an end of the first protrusion structure 1311 abuts against a bottom surface of the fixing groove 5511 to limit displacement of the inner frame 5 relative to the outer frame 1 toward the front side of the infrared touch screen.
The outer frame fixing portion 55 includes a second outer frame fixing portion 552, the second outer frame fixing portion 552 is located at the rear end of the inner frame body 53, and the second outer frame fixing portion 552 includes a fixing block 5521 formed by protruding the inner frame body 53 in a direction away from the first mounting portion 54, and an outer frame fixing hole 5522 penetrating the fixing block 5521. The inner frame fixing portion 13 includes a second inner frame fixing portion 132, the second inner frame fixing portion 132 includes an inner frame fixing hole 1321 formed in the outer frame body 11, the outer frame fixing hole 5522 is coaxially disposed with the inner frame fixing hole 1321, and the outer frame fixing hole 5522 and the inner frame fixing hole 1321 form a detachable fastening connection through a fastener (not shown in the figure). Preferably, the outer frame fixing hole 5522 and the inner frame fixing hole 1321 are both threaded holes, the fasteners are threaded fasteners, the rear shell fixing hole 33 is further formed in the rear shell 3, and the threaded fasteners sequentially penetrate through the rear shell fixing hole 33, the outer frame fixing hole 5522 and the inner frame fixing hole 1321 to fixedly connect the rear shell 3, the inner frame 5 and the outer frame 1, so that the installation reliability is effectively guaranteed.
The inside casing 5 of infrared touch screen in this application carries out the centre gripping through cooperating panel glass 2 with frame 1, inside casing 5 still carries out the centre gripping to liquid crystal display panel 4 with gluey frame 6 cooperation, compares the infrared touch screen among the prior art and has reduced the structure of special centre gripping liquid crystal display panel 4 to reduce the manufacturing cost of infrared touch screen to a certain extent, and simultaneously, still reduced the assembly step in the infrared touch screen assembling process, promoted the installation effectiveness.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.
Claims (10)
1. An infrared touch screen comprises a liquid crystal panel, a rubber frame used for installing the liquid crystal panel, panel glass, an outer frame and an inner frame used for clamping the panel glass, and is characterized in that the inner frame is provided with a first mounting surface close to the panel glass and a second mounting surface far away from the panel glass, and the inner frame is matched with the outer frame through the first mounting surface to clamp the panel glass;
the inner frame is matched with the rubber frame through the second mounting surface to clamp the liquid crystal panel.
2. The infrared touch screen of claim 1, wherein the inner frame comprises a body extending in a front-back direction of the infrared touch screen, a first mounting portion is convexly disposed on a side of the body away from the outer frame in a direction away from the outer frame, a side of the first mounting portion close to the panel glass forms the first mounting surface, and a side of the first mounting portion away from the panel glass forms the second mounting surface.
3. The infrared touch screen of claim 2, wherein the first mounting portion has a first mounting groove on a side thereof adjacent to the panel glass, the first mounting groove is used for mounting a first buffer member, a bottom surface of the first mounting groove forms the first mounting surface, and the first mounting surface is connected to the panel glass via the first buffer member.
4. The infrared touch screen of claim 3, wherein the first mounting portion has a second mounting groove on a side thereof away from the panel glass, the second mounting groove is used for mounting a second buffer member, the second mounting surface is formed on a bottom surface of the second mounting groove, and the second mounting surface is connected to the liquid crystal panel through the second buffer member.
5. The infrared touch screen of claim 4, wherein the first and second bumpers comprise foam.
6. The infrared touch screen of claim 2, wherein an outer frame fixing portion for fixing the outer frame is convexly provided on a side of the body away from the first mounting portion in a direction away from the first mounting portion, the outer frame has an inner frame fixing portion for fixing the inner frame, and the outer frame fixing portion is matched with the inner frame fixing portion to limit displacement of the inner frame relative to the outer frame in a front-back direction.
7. The infrared touch screen of claim 6, wherein the outer frame fixing part comprises a first outer frame fixing part, the first outer frame fixing part is located at the front end of the body, and one end of the first outer frame fixing part, which is far away from the body, is bent towards the front side of the infrared touch screen to form a fixing groove with an opening facing towards the front side; the inner frame fixing part comprises a first inner frame fixing part, the first inner frame fixing part comprises a first protruding structure which is arranged by protruding towards the rear side of the body of the outer frame, and the end part of the first protruding structure is abutted to the bottom surface of the fixing groove.
8. The infrared touch screen of claim 6, wherein the outer frame fixing part comprises a second outer frame fixing part, the second outer frame fixing part is located at the rear end of the body, the second outer frame fixing part comprises a fixing block formed by protruding from the body in a direction away from the first mounting part, and an outer frame fixing hole penetrating through the fixing block;
the inner frame fixing part comprises a second inner frame fixing part, the second inner frame fixing part comprises an inner frame fixing hole formed in the body of the outer frame, the outer frame fixing hole and the inner frame fixing hole are coaxially arranged, and the outer frame fixing hole and the inner frame fixing hole form detachable fastening connection through a fastener.
9. The infrared touch screen of claim 2, further comprising a rear shell, wherein an end of the body near the rear shell abuts against the rear shell to limit displacement of the inner frame relative to the outer frame in the front-rear direction.
10. The infrared touch screen of claim 9, wherein the rear housing is detachably and fixedly connected to the outer frame by a threaded fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920880868.3U CN209980223U (en) | 2019-06-12 | 2019-06-12 | Infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920880868.3U CN209980223U (en) | 2019-06-12 | 2019-06-12 | Infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980223U true CN209980223U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920880868.3U Active CN209980223U (en) | 2019-06-12 | 2019-06-12 | Infrared touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209980223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113157122A (en) * | 2020-01-22 | 2021-07-23 | 青岛海信商用显示股份有限公司 | Touch control display device |
-
2019
- 2019-06-12 CN CN201920880868.3U patent/CN209980223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113157122A (en) * | 2020-01-22 | 2021-07-23 | 青岛海信商用显示股份有限公司 | Touch control display device |
| CN113157122B (en) * | 2020-01-22 | 2023-03-24 | 青岛海信商用显示股份有限公司 | Touch control display device |
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Effective date of registration: 20210622 Address after: Room c1102, 10 / F, block C, 9 Shangdi 3rd Street, Haidian District, Beijing Patentee after: New line Technology Co.,Ltd. Address before: 518000 No.8, Qinglan 1st Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN Hitevision Technology Co.,Ltd. |