CN218974900U

CN218974900U - Infrared touch screen

Info

Publication number: CN218974900U
Application number: CN202223585853.5U
Authority: CN
Inventors: 王新扬
Original assignee: Shenzhen Zhiding Times Technology Co ltd
Current assignee: Shenzhen Zhiding Times Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-05
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the field of infrared touch screens, and discloses an infrared touch screen which comprises a touch panel, wherein a circuit board is fixedly connected to the periphery of the bottom wall of the touch panel, clamping grooves I are formed in the lower parts of the outer walls of two sides of a connecting block, an outer frame II is connected in the clamping grooves I in a sliding manner, clamping grooves II are formed in the lower sides of the outer walls of the front side and the rear side of the connecting block, an outer frame I is connected in the clamping grooves II in a sliding manner, round holes are formed in the middle part in the sliding block, limiting blocks are fixedly connected to the front end and the rear end of a connecting shaft, and the limiting blocks penetrate through the limiting grooves and are connected in the round grooves in a rotating manner. According to the utility model, after water spraying is finished, the inner waterproof test paper can be detected by sliding the outer frame I and the outer frame II out of the clamping groove II and the clamping groove I respectively, so that the effect of conveniently testing the waterproof property of the outer frame is achieved, the cover is clamped to the front surface of the infrared touch screen, the touch panel is shielded, and the touch panel is prevented from being damaged by strong light.

Description

Infrared touch screen

Technical Field

The utility model relates to the field of infrared touch screens, in particular to an infrared touch screen.

Background

An infrared touch screen is generally a touch panel mounted on the front of a display, such as a glass touch panel, for covering the display, and a bezel including a circuit board, and is mainly composed of infrared emitting and receiving sensing elements mounted on an outer frame of the infrared touch screen, and a matrix of infrared rays is formed on the surface of the screen, and any object blocks horizontal and vertical infrared rays passing through the position when contacting the touch panel, thereby judging the position of a contact point on the screen.

The touch screen of the infrared touch screen commonly used at present is usually afraid of strong light, so in the transportation, the screen is damaged due to the irradiation of strong light, the service life is reduced, when the waterproof performance test is carried out on the outer frame, waterproof test paper is generally prevented from being arranged inside the outer frame, then bolts are used for fixing the outer frame, water is sprayed outside the outer frame, disassembly and inspection are carried out after a period of time, the assembly and disassembly steps are complex, and the efficiency is low.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an infrared touch screen.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the infrared touch screen comprises a touch panel, fixedly connected with circuit board all around the touch panel diapire, circuit board inner wall fixedly connected with connecting block, connecting block both sides outer wall lower part all is provided with draw-in groove one, equal sliding connection has frame two in the draw-in groove one, side outer wall downside all is provided with draw-in groove two around the connecting block, equal sliding connection has frame one in the draw-in groove two, two both sides outer wall middle parts of frame all are provided with the spout, back wall middle part all is provided with the spacing groove in the spout, back wall all is provided with the circular slot in the spacing groove, equal sliding connection has the slider in the spout, the middle part all is provided with the round hole in the slider, equal sliding connection has the even axle in the round hole, the equal fixedly connected with stopper of even axle front and back end, the stopper all runs through the spacing groove and rotates to be connected in the circular slot, the equal fixedly connected with of one side that the slider kept away from mutually covers.

As a further description of the above technical solution:

the circuit board roof fixedly connected with boss, boss roof fixedly connected with evenly distributed's infrared tube, the equal fixed connection of infrared tube lower extreme is at the circuit board roof.

As a further description of the above technical solution:

the circuit board roof all fixedly connected with optical filter, optical filter sets up to T shape and upper portion all laminating at touch panel roof.

As a further description of the above technical solution:

the top walls of the first outer frame and the second outer frame are respectively provided with uniformly distributed screw holes, and the bottom ends of the screw holes penetrate through the circuit board and are arranged on the inner bottom walls of the first outer frame and the second outer frame.

As a further description of the above technical solution:

the round hole front and back end all is provided with accomodates the hole, the equal sliding connection of stopper is in accomodating the hole.

As a further description of the above technical solution:

the bottom wall of the touch panel is fixedly connected with a liquid crystal screen.

As a further description of the above technical solution:

the first outer frame and the second outer frame are mutually attached and are fixedly connected to the top wall of the light filtering piece.

As a further description of the above technical solution:

and the bottom shell is fixedly connected with the bottom wall of the first outer frame and the bottom wall of the second outer frame.

The utility model has the following beneficial effects:

1. according to the waterproof test paper, the first clamping groove arranged on the outer walls of the two sides of the connecting block and the second clamping groove arranged on the outer walls of the front side and the rear side of the connecting block slide the second outer frame and the first outer frame into each other, so that the first outer frame and the second outer frame are mutually attached and sealed, then water is sprayed on the first outer frame and the second outer frame for waterproof test, and after water spraying is finished, the first outer frame and the second outer frame only need to slide out of the second clamping groove and the first clamping groove respectively, so that the waterproof test paper inside the waterproof test paper can be detected, and the effect of conveniently testing the waterproof property of the outer frame is achieved.

2. According to the utility model, the cover is slid into the chute, the connecting shaft is rotated to align the limiting block with the limiting groove, then the limiting block is inserted, and when the limiting block is inserted into the circular groove, the circular groove and the internal limiting block are rotated to form clamping, so that the cover is limited and fixed, and the cover can be clamped to the front surface of the infrared touch screen in the process of transporting the infrared touch screen, so that the touch panel is shielded, damage to the touch panel caused by strong light is prevented, and the service life is prolonged.

Drawings

FIG. 1 is a front perspective view of an infrared touch screen according to the present utility model;

FIG. 2 is a side view partially in cross-section of an infrared touch screen in accordance with the present utility model;

FIG. 3 is a side partial cross-sectional view of an infrared touch screen in accordance with the present utility model;

FIG. 4 is a front partial cross-sectional view of an infrared touch screen according to the present utility model;

FIG. 5 is an enlarged view of FIG. 1 at A;

fig. 6 is an enlarged view at B in fig. 2.

Legend description:

1. a touch panel; 2. an outer frame I; 3. a screw hole; 4. covering; 5. an outer frame II; 6. a chute; 7. a receiving hole; 8. a slide block; 9. a limiting block; 10. a connecting shaft; 11. a limit groove; 12. a circular groove; 13. a clamping groove I; 14. a light filter; 15. an infrared tube; 16. a boss; 17. a clamping groove II; 18. a connecting block; 19. a liquid crystal panel; 20. a bottom case; 21. a circuit board; 22. and a round hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the infrared touch screen comprises a touch panel 1, touch panel 1 diapire fixedly connected with circuit board 21 all around, circuit board 21 inner wall fixedly connected with connecting block 18, connecting block 18 both sides outer wall lower part all is provided with draw-in groove one 13, equal sliding connection has frame two 5 in the draw-in groove one 13, slide frame two 5 in through the draw-in groove one 13 that sets up connecting block 18 both sides outer wall, side outer wall downside all is provided with draw-in groove two 17 around the connecting block 18, equal sliding connection has frame one 2 in the draw-in groove two 17, slide frame one 2 through setting up draw-in groove two 17 of connecting block 18 front and back side outer wall, make frame one 2 and frame two 5 laminating each other sealed, frame two 5 both sides outer wall middles all are provided with spout 6, will cover 4 through spout 6 of frame two 5 both sides, will cover 4 and slide into spout 6 through slider 8, the interior back wall middles all is provided with spacing groove 11, equal sliding connection has 8 in the spout 6, the middle part all is provided with round hole 22 in slider 8, equal sliding connection has frame one 10 in the round hole 22, make the stopper 10 rotate around the stopper 10, make the stopper 9 in the same side is kept away from the stopper 10 in the round groove 12, make the stopper is rotated to make in the stopper 9, make the stopper is rotated in the round groove 9 and is kept away from the stopper 12, the inside the round groove is fixed with the stopper 9, and is connected with the stopper 9 in the stopper is fixed in the 9.

The top wall of the circuit board 21 is fixedly connected with a boss 16, the top wall of the boss 16 is fixedly connected with evenly distributed infrared tubes 15, the lower ends of the infrared tubes 15 are fixedly connected to the top wall of the circuit board 21, the infrared tubes 15 are started and emit infrared rays through the circuit board 21, so that an infrared matrix which is mutually intersected is formed on the upper side of the touch panel 1, when people click the touch panel 1, fingers can block transverse and vertical infrared rays passing through the position, so that the position of a touch point on a screen is judged, the top wall of the circuit board 21 is fixedly connected with a light filter 14, the light filter 14 is arranged in a T shape, the upper parts of the light filter 14 are attached to the top wall of the touch panel 1 for filtering other light rays except infrared light, interference of ambient light and the like to infrared light can be avoided, the top walls of the first outer frame 2 and the second outer frame 5 are respectively provided with evenly distributed screw holes 3, the bottom ends of the screw holes 3 penetrate through the circuit board 21 and are arranged on the inner bottom walls of the first outer frame 2 and the second outer frame 5, after the waterproof test is qualified, the waterproof test can be fixed through the screw holes 3, the front end and the rear end of the round hole 22 are respectively provided with a containing hole 7, the limiting blocks 9 are respectively connected in the containing holes 7 in a sliding manner, the limiting blocks 9 which are not clamped in the round grooves 12 can be retracted into the containing holes 7 through the containing holes 7 arranged at the front end and the rear end of the round hole 22, so that the overall aesthetic property is improved, the bottom wall of the touch panel 1 is fixedly connected with the liquid crystal screen 19, the corresponding touch can be displayed and imaged through the liquid crystal screen 19 on the bottom wall of the touch panel 1, the first outer frame 2 and the second outer frame 5 are mutually attached and are fixedly connected to the top wall of the optical filter 14, sealing is formed through tight attachment, water stains are prevented from penetrating into the circuit board 21, the bottom walls of the first outer frame 2 and the second outer frame 5 are fixedly connected with the bottom shell 20, the liquid crystal panel 19 and other internal electrical components can be sealed and protected by the bottom case 20.

Working principle: when in actual use, a worker energizes the infrared touch screen, the infrared tube 15 is started and emits infrared rays through the circuit board 21, the emitted infrared rays pass through the optical filter 14 fixed on the circuit board 21, so that an infrared matrix which is mutually intersected is formed on the upper side of the touch panel 1, when people click the touch panel 1, the fingers can block transverse and vertical infrared rays passing through the position, so that the position of a touch point on the screen is judged, at the moment, corresponding touch display can be carried out through the liquid crystal screen 19 on the bottom wall of the touch panel 1, waterproof test paper is stuck on the top wall of the circuit board 21, then the outer frame II 5 is slid in through the clamping grooves I13 arranged on the outer walls on the two sides of the connecting block 18, the outer frame II 2 is slid in through the clamping grooves II 17 arranged on the outer walls on the front side and the rear side of the connecting block 18, so that the outer frame II 5 and the outer frame II 2 are mutually attached and sealed, then, the outer frame I2 and the outer frame II 5 are subjected to water spraying, after water spraying is finished, the inner waterproof test paper can be detected by sliding the outer frame I2 and the outer frame II 5 out of the clamping groove II 17 and the clamping groove I13 respectively, so that the effect of conveniently testing the waterproof performance of the outer frame is achieved, after the waterproof test is qualified, the waterproof test paper can be fixed through the screw holes 3, the cover 4 is slid into the sliding groove 6 through the sliding blocks 8 through the sliding grooves 6 on the two sides of the outer frame II 5, after the limiting block 9 is aligned with the limiting groove 11 on the rear wall in the sliding groove 6 through the rotating connecting shaft 10, the limiting block 9 is inserted into the limiting groove 11, when the limiting block 9 is inserted into the circular groove 12 on the rear wall in the limiting groove 11, the limiting block 9 in the circular groove 12 is clamped with the circular groove 12 through the rotating connecting shaft 10, so that the cover 4 is limited and fixed, and the cover 4 can be clamped to the back surface of the infrared touch screen when the infrared touch screen is used, in the process of transporting the infrared touch screen, the cover 4 can be clamped to the front surface of the infrared touch screen, so that the touch panel 1 is shielded, strong light is prevented from damaging the touch panel 1, the storage hole 7 is formed in the front end and the rear end of the round hole 22, and the one-end limiting block 9 which is not clamped in the round groove 12 can be retracted into the storage hole 7, so that the overall attractiveness is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Infrared touch screen, including touch panel (1), its characterized in that: touch panel (1) diapire fixedly connected with circuit board (21) all around, circuit board (21) inner wall fixedly connected with connecting block (18), connecting block (18) both sides outer wall lower part all is provided with draw-in groove one (13), equal sliding connection has frame two (5) in draw-in groove one (13), side outer wall downside all is provided with draw-in groove two (17) around connecting block (18), equal sliding connection has frame one (2) in draw-in groove two (17), frame two (5) both sides outer wall middle part all is provided with spout (6), back wall middle part all is provided with spacing groove (11) in spout (6), back wall all is provided with circular slot (12) in spacing groove (11), equal sliding connection has slider (8) in spout (6), the middle part all is provided with round hole (22) in slider (8), equal sliding connection has even axle (10) in round hole (22), even the equal fixedly connected with stopper (9) in front and back end in frame two (17) outer wall middle part all is provided with stopper (6), back end (11) and all are provided with rotary joint in limit groove (8) all keep away from in fixed connection in one side (4).

2. An infrared touch screen according to claim 1, wherein: the circuit board (21) roof fixedly connected with boss (16), boss (16) roof fixedly connected with evenly distributed's infrared tube (15), infrared tube (15) lower extreme all fixed connection is at circuit board (21) roof.

3. An infrared touch screen according to claim 1, wherein: the top wall of the circuit board (21) is fixedly connected with the optical filter (14), and the optical filter (14) is in a T shape and the upper parts of the optical filter are attached to the top wall of the touch panel (1).

4. An infrared touch screen according to claim 1, wherein: the top walls of the first outer frame (2) and the second outer frame (5) are respectively provided with uniformly distributed screw holes (3), and the bottom ends of the screw holes (3) penetrate through the circuit board (21) and are arranged on the inner bottom walls of the first outer frame (2) and the second outer frame (5).

5. An infrared touch screen according to claim 1, wherein: the round hole (22) front and back ends all are provided with accomodate hole (7), stopper (9) all sliding connection is in accomodate hole (7).

6. An infrared touch screen according to claim 1, wherein: the bottom wall of the touch panel (1) is fixedly connected with a liquid crystal screen (19).

7. An infrared touch screen according to claim 1, wherein: the first outer frame (2) and the second outer frame (5) are mutually attached and are fixedly connected to the top wall of the optical filter (14).

8. An infrared touch screen according to claim 1, wherein: bottom shells (20) are fixedly connected to the bottom walls of the first outer frame (2) and the second outer frame (5).