Touch screen structure

Abstract

The utility model relates to the technical field of touch screens, in particular to a touch screen structure which comprises a panel, a shading support, a PCBA (printed circuit board assembly), a membrane and a conducting piece. The PCBA board is arranged at the bottom of the shading bracket; the diaphragm is arranged at the top of the shading bracket; the conduction piece is arranged between the PCBA board and the diaphragm; the top of the shading support extends to form a step. The height of the step is higher than that of the diaphragm; and the panel is erected at the top of the step. The step higher than the diaphragm is arranged, and the panel abuts against the top of the step, so that the distance between the panel and the diaphragm can be increased, the touch screen cannot interfere with the diaphragm on the shading support due to stress, the appearance and the function of the touch screen cannot be affected, and water vapor can be prevented from entering the touch screen.

Description

Technical Field

[0001] The utility model relates to the technical field of touch screens, and in particular to a touch screen structure. Background Art

[0002] With the development of science and technology, display screens are becoming more and more popular in people's daily electrical appliances, especially display screens with touch functions, which have gradually replaced traditional mechanical display screens because of their convenience and appearance.

[0003] At present, the touch sensing technology uses a metal spring to directly contact the lower surface of the diaphragm to achieve the touch sensing effect, and the glass panel is directly set on the top of the diaphragm and contacts the top of the diaphragm. In this solution, after the diaphragm is subjected to the external force of the upper glass panel, the diaphragm will be deformed, resulting in poor contact between the metal spring and the diaphragm surface, affecting the product function and use effect.

[0004] At present, the touch sensing technology membrane is attached to the shading bracket. When the membrane is subjected to external force from the upper glass panel, part of the membrane area above the shading bracket will be embossed, affecting the appearance of the product.

[0005] Currently, the touch sensing technology membrane is attached to the shading bracket. When the membrane is subjected to external force from the upper glass panel, part of the membrane above the shading bracket will be lifted or skewed, causing a gap in this area, which in turn allows water vapor to enter the PCBA board below the bracket, thus affecting the use of the product. Utility Model Content

[0006] The purpose of the utility model is to provide a touch screen structure in view of the above-mentioned deficiencies in the prior art.

[0007] The purpose of the utility model is achieved through the following technical solutions: A touch screen structure, including a panel, a shading bracket, a PCBA board, a diaphragm and a conductive member; the PCBA board is arranged at the bottom of the shading bracket; the diaphragm is arranged at the top of the shading bracket; the conductive member is arranged between the PCBA board and the diaphragm;

[0008] A step is extended from the top of the light-shielding bracket; the height of the step is higher than the height of the membrane; and the panel is placed on the top of the step.

[0009] The utility model is further configured that the step is arranged around the outer periphery of the diaphragm.

[0010] The utility model is further configured that the conductive member is a touch spring or an FPC board.

[0011] The utility model is further configured as follows: a placement platform is provided on the top of the shading bracket; a receiving cavity is formed between the placement platform and the PCBA board; the diaphragm is provided on the top of the placement platform and the top of the receiving cavity; and the conductive member is provided in the receiving cavity.

[0012] The utility model is further configured as follows: a light-shielding tube is provided in the accommodating cavity; a light-shielding hole is penetrated through the light-shielding tube; the PCBA board is arranged at the bottom of the light-shielding hole; and the diaphragm is arranged at the top of the light-shielding hole.

[0013] The utility model is further configured that the conductive member is arranged in the light shielding hole.

[0014] The utility model is further configured such that the cross-sectional shape of the light-shielding hole is circular; and the cross-sectional shape of the conductive member is circular.

[0015] The utility model is further configured that a reinforcing rib is provided between the light-shielding tube and the light-shielding bracket.

[0016] The utility model is further configured that the PCBA board is provided with a light-emitting component in the light-shielding hole.

[0017] The utility model is further configured that the panel is made of transparent glass material.

[0018] Beneficial effects of the utility model: the utility model increases the distance between the panel and the diaphragm by setting a step whose height is higher than the diaphragm and making the panel rest against the top of the step, so that the touch screen will not interfere with the diaphragm on the shading bracket due to force, thereby not affecting its appearance and function, and can also prevent water vapor from entering the interior. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the utility model. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure behind the hidden panel of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure behind the hidden panel and the diaphragm of the utility model;

[0024] Among them: 1. panel; 2. shading bracket; 21. step; 22. placement platform; 23. accommodating cavity; 3. PCBA board; 31. light-emitting component; 4. diaphragm; 5. conductive component; 6. shading tube; 61. shading hole; 62. reinforcing rib. DETAILED DESCRIPTION

[0025] The utility model is further described in conjunction with the following embodiments.

[0026] Depend on Figures 1 to 4 It can be seen that the touch screen structure described in this embodiment includes a panel 1, a light shielding bracket 2, a PCBA board 3, a diaphragm 4 and a conductive member 5; the PCBA board 3 is arranged at the bottom of the light shielding bracket 2; the diaphragm 4 is arranged at the top of the light shielding bracket 2; the conductive member 5 is arranged between the PCBA board 3 and the diaphragm 4;

[0027] A step 21 is extended from the top of the light-shielding bracket 2 ; the height of the step 21 is higher than the height of the film 4 ; and the panel 1 is placed on the top of the step 21 .

[0028] Specifically, this embodiment sets a step 21 whose height is higher than the diaphragm 4, and makes the panel 1 rest against the top of the step 21, so as to increase the distance between the panel 1 and the diaphragm 4, so that the touch screen will not interfere with the diaphragm 4 on the shading bracket 2 due to the force, thereby will not affect its appearance and function, and can also prevent water vapor from entering the interior.

[0029] In this embodiment, the lower part of the shading bracket 2 is connected to the PCBA board 3, and the upper part of the shading bracket 2 is connected to the diaphragm 4. The upper surface of the shading bracket 2 protrudes from the upper surface of the diaphragm 4 and forms a step 21, so as to solve the problem that the conductive part 5 and the surface of the diaphragm 4 have poor contact and affect the function after the diaphragm 4 is acted upon by external force.

[0030] In this embodiment, the lower part of the shading bracket 2 is connected to the PCBA board 3, and the upper part of the shading bracket 2 is connected to the diaphragm 4. The upper surface of the shading bracket 2 protrudes from the upper surface of the diaphragm 4 and forms a step 21, so as to solve the imprint problem caused by the diaphragm 4 being subjected to external force.

[0031] In this embodiment, the lower part of the shading bracket 2 is connected to the PCBA board 3, and the upper part of the shading bracket 2 is connected to the diaphragm 4. The upper surface of the shading bracket 2 protrudes from the upper surface of the diaphragm 4 and forms a step 21, which solves the problem of water vapor entering the diaphragm 4 after being acted upon by external force.

[0032] In the touch screen structure described in this embodiment, the step 21 is arranged around the outer periphery of the membrane 4. Specifically, the connection structure between the panel 1 and the light shielding bracket 2 is stable and reliable through the above arrangement.

[0033] In the touch screen structure described in this embodiment, the conductive member 5 is a touch spring or an FPC board. Specifically, through the above configuration, when the corresponding functional area on the touch panel 1 is touched, the touch signal will be transmitted to the control chip inside the PCBA board 3 through the touch spring or the FPC board, and the control chip will issue the corresponding function after receiving the corresponding command signal.

[0034] In the touch screen structure described in this embodiment, a placement platform 22 is provided on the top of the light shielding bracket 2; a receiving cavity 23 is formed between the placement platform 22 and the PCBA board 3; the diaphragm 4 is provided on the top of the placement platform 22 and the top of the receiving cavity 23; and the conductive member 5 is provided in the receiving cavity 23. Specifically, the diaphragm 4 can be stably placed through the above arrangement, so that the overall structure is more stable and reliable.

[0035] In the touch screen structure described in the present embodiment, a light shielding tube 6 is provided in the accommodating cavity 23; a light shielding hole 61 is provided through the light shielding tube 6; the PCBA board 3 is provided at the bottom of the light shielding hole 61; and the diaphragm 4 is provided at the top of the light shielding hole 61. In the touch screen structure described in the present embodiment, a light emitting member 31 is provided in the light shielding hole 61 of the PCBA board 3.

[0036] Specifically, the light-shielding tube 6 can be provided to shield the light-emitting element 31 ; the light-emitting element 31 can be an LED lamp, and the light emitted by the light-emitting element 31 can pass through the light-shielding hole 61 , thereby realizing the light-transmitting function of the diaphragm 4 .

[0037] In the touch screen structure described in this embodiment, the conductive member 5 is arranged in the light shielding hole 61. The above arrangement makes the overall structure stable and reliable.

[0038] In the touch screen structure described in this embodiment, the cross-sectional shape of the light shielding hole 61 is circular; the cross-sectional shape of the conductive member 5 is circular. The above arrangement makes the overall structure stable and reliable.

[0039] In the touch screen structure described in this embodiment, a reinforcing rib 62 is provided between the light-shielding tube 6 and the light-shielding bracket 2. The above arrangement can enhance the stability of the connection between the light-shielding tube 6 and the light-shielding bracket 2.

[0040] In the touch screen structure described in this embodiment, the panel 1 is made of transparent glass material. The above arrangement facilitates the emission of light.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A touch screen structure, characterized in that: It comprises a panel (1), a light shielding bracket (2), a PCBA board (3), a diaphragm (4) and a conductive member (5); the PCBA board (3) is arranged at the bottom of the light shielding bracket (2); the diaphragm (4) is arranged at the top of the light shielding bracket (2); and the conductive member (5) is arranged between the PCBA board (3) and the diaphragm (4); A step (21) is extended from the top of the light-shielding bracket (2); the height of the step (21) is higher than the height of the diaphragm (4); and the panel (1) is mounted on the top of the step (21).

2. A touch screen structure according to claim 1, characterized in that: The step (21) is arranged around the outer circumference of the diaphragm (4).

3. The touch screen structure according to claim 1, characterized in that: The conductive member (5) is a touch spring or an FPC board.

4. The touch screen structure according to claim 1, characterized in that: A placement platform (22) is provided on the top of the light-shielding bracket (2); a receiving cavity (23) is formed between the placement platform (22) and the PCBA board (3); the diaphragm (4) is provided on the top of the placement platform (22) and the top of the receiving cavity (23); and the conductive member (5) is provided in the receiving cavity (23).

5. A touch screen structure according to claim 4, characterized in that: A light-shielding tube (6) is provided in the accommodating cavity (23); a light-shielding hole (61) is provided through the light-shielding tube (6); the PCBA board (3) is provided at the bottom of the light-shielding hole (61); and the diaphragm (4) is provided at the top of the light-shielding hole (61).

6. A touch screen structure according to claim 5, characterized in that: The conductive member (5) is arranged in the light shielding hole (61).

7. A touch screen structure according to claim 6, characterized in that: The cross-sectional shape of the light-shielding hole (61) is circular; the cross-sectional shape of the conductive member (5) is circular.

8. The touch screen structure according to claim 5, characterized in that: A reinforcing rib (62) is provided between the light-shielding tube (6) and the light-shielding bracket (2).

9. The touch screen structure according to claim 5, characterized in that: The PCBA board (3) is provided with a light-emitting component (31) in the light-shielding hole (61).

10. The touch screen structure according to claim 1, characterized in that: The panel (1) is made of transparent glass material.

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