CN209842590U - Superfine writing infrared touch screen - Google Patents

Abstract

The utility model relates to a touch-sensitive screen technical field, and a superfine infrared touch-sensitive screen of writing is disclosed, including touch panel, infrared receiving and dispatching component and backing plate, the backing plate sets up for the rectangle framework, border fixed connection around the surface of infrared receiving and dispatching component and backing plate, the surface of backing plate still seted up all around with touch panel assorted mounting groove, touch panel's a plurality of fixed plates of lateral wall fixedly connected with all around, the surface of backing plate all around inboard border seted up with fixed plate assorted fixed slot, the tank bottom of fixed slot is seted up flutedly, the inside sliding connection of recess has the picture peg, the spring that two symmetries of fixedly connected with set up between the tank bottom of picture peg and recess, touch panel's one side was kept away from to the fixed plate was seted up with picture. The utility model discloses can effectually install infrared touch-sensitive screen fixed, and convenient to detach changes, improves the efficiency of installation dismantlement, and the people of being convenient for use.

Description

Superfine writing infrared touch screen

Technical Field

The utility model relates to a touch-sensitive screen technical field especially relates to an ultra-fine infrared touch-sensitive screen of writing.

Background

The infrared technology touch screen is composed of infrared transmitting and receiving sensing elements arranged on a touch screen outer frame, an infrared detecting net is formed on the surface of the screen, any touch object can change infrared rays on a contact to realize touch screen operation, the realization principle of the infrared line type touch screen is similar to that of surface acoustic wave type touch control, the infrared transmitting and receiving sensing elements are used, the elements form the infrared detecting net on the surface of the screen, the touch operation object can change infrared rays of electric shock and further be converted into a coordinate position of touch control to realize operation response, and circuit board devices arranged on four sides of the screen are provided with infrared transmitting tubes and infrared receiving tubes which correspondingly form a horizontal and vertical crossed infrared matrix.

At present, people develop the infrared touch screen with superfine writing by improving the optical information of the infrared touch screen so as to improve the single-point touch precision of the infrared touch screen, but in the prior art, the infrared touch screen is difficult to mount and is not easy to detach after being damaged, so that the infrared touch screen with superfine writing is inconvenient to replace, and therefore, the infrared touch screen with superfine writing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art intermediate infrared touch screen comparatively difficult when the installation, and difficult dismantlement after using the damage leads to changing inconvenient problem, and the superfine infrared touch screen of writing that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ultra-fine writing infrared touch screen comprises a touch panel, an infrared receiving and transmitting element and a base plate, wherein the base plate is a rectangular frame body, the infrared receiving and transmitting element is fixedly connected with the peripheral edge of the surface of the backing plate, the periphery of the surface of the backing plate is also provided with a mounting groove matched with the touch panel, the peripheral side walls of the touch panel are fixedly connected with a plurality of fixing plates, the inner peripheral edges of the surface of the backing plate are provided with fixing grooves matched with the fixing plates, a groove is arranged at the bottom of the fixed groove, an inserting plate is connected inside the groove in a sliding manner, two symmetrically arranged springs are fixedly connected between the inserting plate and the bottom of the groove, one side of the fixing plate, which is far away from the touch panel, is provided with a slot matched with the plug board, the surface of the plug board is provided with a round hole, and the surface of the backing plate is provided with a waist-shaped hole corresponding to the round hole.

Preferably, the left side wall and the right side wall of the inserting plate are located at the inner ends of the grooves and are fixedly connected with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the side walls of the grooves.

Preferably, the tank bottom fixedly connected with two gag lever posts of recess, the picture peg is located the inside one end of recess and has seted up two and gag lever post assorted spacing grooves, two the spring cup joints with two gag lever posts activity respectively.

Preferably, the lateral wall of fixed slot is fixed and is equipped with the rubber pad, the surface of rubber pad set up with picture peg assorted bar hole and through bar hole and picture peg sliding connection.

Preferably, the infrared transceiving element is fixedly connected with the backing plate through hot melt adhesive.

Preferably, the fixing plate and the inserting plate are both made of high polyethylene materials.

Compared with the prior art, the utility model provides a superfine infrared touch-sensitive screen of writing possesses following beneficial effect:

1. this superfine infrared touch-sensitive screen of writing, through waist shape hole and the round hole that is equipped with, use the thimble to insert in the round hole, remove the thimble and can remove the picture peg to the inside of recess to the fixed plate can be put into the fixed slot in, can apply elasticity and promote the picture peg removal to the picture peg through the spring that is equipped with, can make the picture peg insert in the slot, thereby can fix the fixed plate in the fixed slot, be convenient for with touch panel and backing plate fixed mounting, and convenient to detach.

2. This superfine infrared touch-sensitive screen of writing, more stable and nimble when slider through being equipped with can make the picture peg remove, can carry on spacingly to the spring through the gag lever post that is equipped with, takes place bending deformation when avoiding the spring compression, and is more stable when the rubber pad through being equipped with can make fixed plate and fixed slot be connected, avoids the fixed plate to rock, and the people of being convenient for use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectually install infrared touch-sensitive screen fixed, and convenient to detach changes, improves the efficiency of installation dismantlement, and the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of an ultra-fine writing infrared touch screen provided by the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is an enlarged view of a portion B of fig. 1.

In the figure: the infrared transceiver module comprises a touch panel 1, an infrared transceiver element 2, a backing plate 3, a fixing plate 4, an inserting plate 5, a spring 6, a round hole 7, a waist-shaped hole 8, a sliding block 9, a limiting rod 10 and a rubber pad 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an ultra-fine writing infrared touch screen comprises a touch panel 1, an infrared transceiver element 2 and a backing plate 3, wherein the backing plate 3 is a rectangular frame, the infrared transceiver element 2 is fixedly connected with the peripheral edge of the surface of the backing plate 3, the infrared transceiver element 2 is fixedly connected with the backing plate 3 through hot melt adhesive, the periphery of the surface of the backing plate 3 is also provided with mounting grooves matched with the touch panel 1, the peripheral side wall of the touch panel 1 is fixedly connected with a plurality of fixing plates 4, the peripheral inner side edge of the surface of the backing plate 3 is provided with fixing grooves matched with the fixing plates 4, the groove bottoms of the fixing grooves are provided with grooves, the insides of the grooves are slidably connected with an inserting plate 5, two symmetrically arranged springs 6 are fixedly connected between the inserting plate 5 and the groove bottoms of the grooves, one side of the fixing plate 4 far away from, the surface of the backing plate 3 is provided with a waist-shaped hole 8 corresponding to the position of the round hole 7, the back of the backing plate 3 is fixedly provided with a circuit board, and the circuit board is electrically connected with the infrared transceiving element 2, which is the prior art and not described much.

The equal fixedly connected with slider 9 of one end that two lateral walls are located the recess inside about picture peg 5, the lateral wall of recess seted up with slider 9 assorted spout, more stable and nimble when can making picture peg 5 remove.

Two gag lever posts 10 of tank bottom fixedly connected with of recess, picture peg 5 are located the inside one end of recess and seted up two and gag lever post 10 assorted spacing grooves, and two springs 6 cup joint with two gag lever posts 10 activities respectively, can carry on spacingly to springs 6, take place bending deformation when avoiding springs 6 to compress.

The fixed rubber pad 11 that is equipped with of lateral wall of fixed slot, rubber pad 11's surface seted up with 5 assorted bar holes of picture peg and through bar hole and 5 sliding connection of picture peg, more stable when can making fixed plate 4 be connected with the fixed slot, avoid fixed plate 4 to rock.

The fixing plate 4 and the inserting plate 5 are made of high polyethylene materials, are firm and durable and are not easy to damage.

In the utility model, when in use, the thimble can pass through the waist-shaped hole 8 and be inserted into the round hole 7 through the waist-shaped hole 8 and the round hole 7, the thimble can be moved to move the inserting plate 5 to the inner part of the groove, so that the fixing plate 4 can be placed in the fixing groove, the spring 6 can apply elasticity to the inserting plate 5 and push the inserting plate 5 to move, the inserting plate 5 can be inserted into the inserting groove, thereby fixing the fixing plate 4 in the fixing groove, facilitating the fixed installation of the touch panel 1 and the backing plate 3, and facilitating the disassembly, the inserting plate 5 can be more stable and flexible when moving through the arranged slide block 9, the spring 6 can be limited through the arranged limiting rod 10, the bending deformation of the spring 6 when being compressed is avoided, the fixing plate 4 can be more stable when being connected with the fixing groove through the rubber pad 11, the fixing plate 4 is prevented from shaking, and the fixing device is convenient for people to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a superfine infrared touch-sensitive screen of writing, includes touch panel (1), infrared receiving and dispatching component (2) and backing plate (3), its characterized in that, backing plate (3) are the setting of rectangle framework, border fixed connection all around on the surface of infrared receiving and dispatching component (2) and backing plate (3), the surface of backing plate (3) still has been seted up all around with touch panel (1) assorted mounting groove, the lateral wall fixedly connected with a plurality of fixed plates (4) all around of touch panel (1), the surface of backing plate (3) all sets up all around inboard border with fixed plate (4) assorted fixed slot, the tank bottom of fixed slot is seted up flutedly, the inside sliding connection of recess has picture peg (5), spring (6) that two symmetries set up of fixedly connected with between the tank bottom of picture peg (5) and recess, one side that touch panel (1) was kept away from to fixed plate (4) is seted up with picture peg (5) assorted slot, the surface of the inserting plate (5) is provided with a round hole (7), and the surface of the backing plate (3) is provided with a waist-shaped hole (8) corresponding to the round hole (7).

2. The ultra-fine writing infrared touch screen according to claim 1, wherein the left and right side walls of the inserting plate (5) are fixedly connected with sliding blocks (9) at one ends inside the grooves, and the side walls of the grooves are provided with sliding grooves matched with the sliding blocks (9).

3. The ultra-fine writing infrared touch screen according to claim 1, wherein two limiting rods (10) are fixedly connected to the bottom of the groove, two limiting grooves matched with the limiting rods (10) are formed in one end of the inserting plate (5) located inside the groove, and the two springs (6) are movably sleeved with the two limiting rods (10) respectively.

4. The ultra-fine writing infrared touch screen according to claim 1, wherein a rubber pad (11) is fixedly arranged on the side wall of the fixing groove, and a strip-shaped hole matched with the inserting plate (5) is formed in the surface of the rubber pad (11) and is in sliding connection with the inserting plate (5) through the strip-shaped hole.

5. The ultra-fine writing infrared touch screen according to claim 1, wherein the infrared transceiver component (2) is fixedly connected with the backing plate (3) through hot melt adhesive.

6. The ultra-fine writing infrared touch screen according to claim 1, wherein the fixing plate (4) and the inserting plate (5) are both made of high polyethylene material.