A key structure and display device

Abstract

A key structure and display device provided by an embodiment of the present invention include: a frame, a key assembly and a key board; wherein a power control module, an infrared receiving module and a power indicator light are arranged on the key board; the frame includes a key through hole; one end of the key assembly passes through the key through hole and protrudes out of the outside of the frame, and the other end of the key assembly is arranged on the inner side of the frame and opposite to the power control module; when one end of the key assembly is subjected to pressure, the other end of the key assembly contacts the power control module and squeezes the power control module. An embodiment of the present invention provides a key structure that can integrate a power control module, an infrared receiving module and a power indicator light on a key board, and uses a key assembly to control the power control assembly, which can achieve the technical effect of a narrow frame and simplification of the display screen while accurately controlling the working state of the display screen.

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a key structure and a display device. Background Art

[0002] The fully laminated display screen is a display screen that has protective glass, touch screen, and display screen glued together in a seamless manner, eliminating the air layer between the display screen and the touch screen, making the screen thinner, allowing the visual effect to be perfectly presented, reducing the chance of dust entering, making the picture more transparent, and enhancing the display effect.

[0003] However, the current fully laminated display screen cannot integrate the power control module and the infrared receiving module together, and thus cannot achieve the narrow frame and simplified technical effects of the fully laminated display screen. Summary of the invention

[0004] The present invention provides a key structure to solve the technical problem that the existing fully laminated display screen cannot integrate a power control module and an infrared receiving module together, thereby failing to achieve a narrow frame and simplification of the fully laminated display screen.

[0005] In one aspect, the present invention provides a key structure, including: a frame, a key assembly and a key plate;

[0006] Among them, the key panel is provided with a power control module, an infrared receiving module and a power indicator light; the frame includes a key through hole; one end of the key component passes through the key through hole and protrudes out of the outside of the frame, and the other end of the key component is arranged on the inner side of the frame and opposite to the power control module; when one end of the key component is subjected to pressure, the other end of the key component contacts the power control module and squeezes the power control module.

[0007] Optionally, the button assembly includes: a button cap, a limiting structure and an elastic member;

[0008] Among them, the button cap passes through the button through hole, and the first end of the button cap protrudes out of the outside of the frame, and the second end is fixedly connected to the limiting structure; one side of the elastic member is limited in the limiting structure, and the other side is opposite to the power control module; the limiting structure and the elastic member are arranged on the inner side of the frame.

[0009] Optionally, the elastic member includes: a fixing column and an elastic arm; the fixing column is arranged at both ends of the elastic arm;

[0010] The limiting structure is provided with limiting holes, the limiting holes correspond to the fixing columns one by one, and the fixing columns are embedded in the limiting holes to limit the elastic member.

[0011] Optionally, the power control module includes a power control button, and the infrared receiving module includes an infrared receiver. The power control button and the infrared receiver are both arranged on a first surface of the key panel, and the first surface is perpendicular to the plane where the frame is located, wherein the power control button is arranged toward the elastic arm; and the signal receiving direction of the infrared receiver is parallel to the first surface and perpendicular to the plane where the frame is located.

[0012] Optionally, a power indicator light is further provided on the first surface of the keypad, and the light emitting direction of the power indicator light is the same as the signal receiving direction of the infrared receiver.

[0013] Optionally, when there is no external force acting on the button cap, the distance between the elastic arm and the power control button is 0.1 mm-0.3 mm.

[0014] Optionally, the button cap protrudes from the outer side of the frame by 0.8mm-1.2mm.

[0015] Optionally, it also includes: a glass layer; the glass layer covers the key assembly and the key board and fits around the frame.

[0016] Optionally, a bending portion is further provided on the inner side of the frame; a threaded hole is provided on the bending portion; a fixing hole is provided on the key plate; the fixing holes correspond to the threaded holes one by one; the fixing holes and the threaded holes are fixed by screws, thereby fixing the frame and the key plate;

[0017] Optionally, the surface area of ​​the limiting structure is greater than the surface area of ​​the key cap, and an orthographic projection of the key cap on a first surface where the limiting structure contacts the key cap falls within the first surface.

[0018] Optionally, the limiting structure is a cuboid, and the four sides of the cuboid are rounded; the side of the limiting structure close to the button cap is stuck in the button through hole.

[0019] Optionally, there are two bending parts, and the limiting structure is arranged between the two bending parts. The side of the two bending parts opposite to the limiting structure has a rounded corner that matches the rounded corner of the limiting structure, which is used to limit the limiting structure.

[0020] Optionally, there are two fixing holes, and the fixing holes correspond to the bending portions one by one; the power control button is arranged between the two fixing holes; the power indicator light is arranged on a side of the fixing hole away from the power control button; and the infrared receiver is arranged on a side of the power indicator light away from the fixing holes.

[0021] Optionally, the bending portion is arranged on the inner side of the first side of the frame, and there is a preset space between the bending portion close to the second side of the frame and the second side of the frame, and the power indicator light and the infrared receiver are arranged in the preset space; wherein the first side and the second side are connected.

[0022] Another aspect of an embodiment of the present invention provides a display device, comprising a key structure as described in any one of the above.

[0023] In summary, a key structure provided by an embodiment of the present invention includes: a frame, a key assembly and a key board; wherein a power control module, an infrared receiving module and a power indicator light are arranged on the key board; the frame includes a key through hole; one end of the key assembly passes through the key through hole and protrudes out of the outside of the frame, and the other end of the key assembly is arranged on the inner side of the frame and is opposite to the power control module; when one end of the key assembly is subjected to pressure, the other end of the key assembly contacts the power control module and squeezes the power control module. An embodiment of the present invention provides a key structure, which can integrate a power control module, an infrared receiving module and a power indicator light on a key board, and uses a key assembly to control the power control assembly, which can achieve the technical effect of a narrow frame and simplification of the display screen while accurately controlling the working state of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0025] Figure 1 is a schematic diagram of a dispersed structure of a key structure provided by an embodiment of the present invention;

[0026] Figure 2 is a structural schematic diagram of a keypad provided by an embodiment of the present invention;

[0027] Figure 3 is a structural schematic diagram of a key structure provided by an embodiment of the present invention;

[0028] Figure 4 is a structural schematic diagram of a key structure covered with a glass layer provided by an embodiment of the present invention;

[0029] Figure 5 It is a schematic diagram of the state of a key structure when being pressed provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1 In one aspect, the present invention provides a key structure, which comprises:

[0032] Frame 10, key assembly 20 and key board 30;

[0033] Among them, refer to Figure 2 The key panel 30 is provided with a power control module 31, an infrared receiving module 32 and a power indicator light 33; the frame 10 includes a key through hole 11; one end of the key component 20 passes through the key through hole 11 and protrudes out of the outside of the frame 10, and the other end of the key component 20 is arranged on the inner side of the frame 10 and is opposite to the power control module 31; when one end of the key component 20 is subjected to pressure, the other end of the key component 20 contacts the power control module 31 and squeezes the power control module 31.

[0034] In the embodiment of the present invention, the frame 10 is a frame of the key structure, and the key assembly 20 and the key plate 30 are arranged relatively to each other, which can reduce the width of the frame 10 and realize a narrow frame.

[0035] In the embodiment of the present invention, the keypad 30 is a PCB (printed circuit board), and the modules arranged on the keypad 30 are controlled through circuit connection.

[0036] In the embodiment of the present invention, there may be multiple button components, and different button components are used to control different objects. Other button components may also be set using the button structure provided in the embodiment of the present invention.

[0037] Reference Figure 1 , the button assembly 20 includes: a button cap 21, a limiting structure 22 and an elastic member 23;

[0038] Among them, refer to Figure 3 The button cap 21 passes through the button through hole 11, and the first end of the button cap 21 protrudes out of the outside of the frame 10, and the second end is connected to the limiting structure 22; one side of the elastic member 23 is limited in the limiting structure 22, and the other side is opposite to the power control module 31; the limiting structure 22 and the elastic member 23 are arranged on the inner side of the frame 10.

[0039] In the embodiment of the present invention, the button cap 21 and the limiting structure 22 are relatively fixed, wherein the two may be an integrally formed structure, or they may be formed separately and then fixed, which is not limited here.

[0040] In the embodiment of the present invention, the elastic member 23 includes: a fixing column 231 and an elastic arm 232 ; the fixing column 231 is disposed at both ends of the elastic arm 232 .

[0041] The fixing column 231 is inelastic, and the elastic arm 232 has a certain elasticity.

[0042] In the embodiment of the present invention, the frame 10 is made of metal material, such as aluminum, and the elastic arm 232 is made of plastic.

[0043] The limiting structure 22 is provided with limiting holes 221 , and the limiting holes 221 correspond to the fixing columns 231 one by one. The fixing columns 231 are embedded in the limiting holes 221 to limit the elastic member 23 .

[0044] In an embodiment of the present invention, the power control module 31 includes a power control button, the infrared receiving module 32 includes an infrared receiver, and the power control button and the infrared receiver are both arranged on the first surface of the key panel, wherein the power control button is arranged toward the elastic arm 232; the signal receiving direction of the infrared receiver is parallel to the first surface and vertically points to the plane where the frame is located.

[0045] In the embodiment of the present invention, a power indicator light 33 is further disposed on the first surface of the keypad 30 , and the light emitting direction of the power indicator light 33 is the same as the signal receiving direction of the infrared receiver.

[0046] Among them, integrating the power control button 31, the infrared receiver 32 and the power indicator light 33 on the same key panel can reduce the space occupied by the power control button 31, the infrared receiver 32 and the power indicator light 33, reduce the width of the frame, and simplify the key structure.

[0047] In the embodiment of the present invention, when there is no external force acting on the button cap 21, the distance between the elastic arm 232 and the power control button is 0.1 mm-0.3 mm.

[0048] In the embodiment of the present invention, the key cap is made of metal material and has no elasticity.

[0049] When the distance between the elastic arm and the power control button is 0.1 mm-0.3 mm, the user's feeling of pressing the button cap can be optimal.

[0050] Optionally, the button cap 21 protrudes from the outer side of the frame 10 by 0.8 mm-1.2 mm.

[0051] In the embodiment of the present invention, it further includes: a glass layer 40 ; the glass layer 40 covers the key assembly 20 and the key plate 30 , and fits around the frame 10 .

[0052] Among them, refer to Figure 4 The glass layer 40 includes a silk-screen area 41 and a display area 42 . The silk-screen area 41 is arranged around the display area 42 , and an infrared receiver window 411 and a power indicator light window 412 are arranged on the silk-screen area 41 .

[0053] In the embodiment of the present invention, the glass layer 40 is fixed by a frame, and the infrared receiver window is set in the silk-screen area without blocking the infrared receiver from receiving signals. The power indicator light window is set so that the light of the power indicator light can be emitted without obstruction.

[0054] In the embodiment of the present invention, refer to Figure 1 A bending portion 12 is also provided on the inner side of the frame 10; a threaded hole 121 is provided on the bending portion 12; a fixing hole 34 is provided on the key plate 30; the fixing holes 34 and the threaded holes 121 correspond one to one; the fixing holes 34 and the threaded holes 121 are fixed by screws, thereby fixing the frame 10 and the key plate 30.

[0055] In the embodiment of the present invention, refer to Figure 1 , the surface area of ​​the limiting structure 22 is greater than the surface area of ​​the key cap 21, and the orthographic projection of the key cap 21 on the first surface where the limiting structure 22 contacts the key cap 21 falls within the first surface.

[0056] Among them, refer to Figure 1 and Figure 3 The limiting structure 22 is a rectangular parallelepiped, and the four sides of the rectangular parallelepiped are rounded; the side of the limiting structure 22 close to the button 21 is stuck in the button through hole 11.

[0057] In the embodiment of the present invention, refer to Figure 1 and Figure 3 There are two bending portions 12, and the limiting structure 22 is arranged between the two bending portions 12. The side of the two bending portions 12 opposite to the limiting structure 22 has a chamfered corner 122 that matches the chamfered corner of the limiting structure 22, which is used to limit the limiting structure 22.

[0058] Among them, refer to Figure 2There are two fixing holes 34, and the fixing holes 34 correspond to the bending portions 12 one by one; the power control button 31 is arranged between the two fixing holes 34; the power indicator light 33 is arranged on a side of the fixing hole 34 away from the power control button 31; the infrared receiver 32 is arranged on a side of the power indicator light 33 away from the fixing hole 34.

[0059] In the embodiment of the present invention, the power control button 31, the fixing hole 34, the infrared receiver 32 and the power indicator light 33 are arranged on the keypad 30 as follows: Figure 2 As shown, the power control button, infrared receiver and power indicator light can be integrated into a keypad, which is then installed in conjunction with the frame to reduce the space occupied by the power control button, infrared receiver and power indicator light on the display panel.

[0060] In the embodiment of the present invention, refer to Figure 3 The bending portion 12 is arranged on the inner side of the first side 13 of the frame 10, and there is a preset space X between the bending portion 12 close to the second side 14 of the frame 10 and the second side 14 of the frame 10, and the power indicator light 33 and the infrared receiver 32 are arranged in the preset space X; wherein the first side 13 and the second side 14 are connected.

[0061] In an embodiment of the present invention, the above-mentioned setting of the bending portion 12 can, on the one hand, limit the limiting structure 22, and on the other hand, leave a preset space between the bending portion and the frame for placing the power indicator light and the infrared receiver so as not to affect the light emission of the power indicator light and the reception of the signal by the infrared receiver.

[0062] In the embodiment of the present invention, refer to Figure 5 When the user presses the key cap 21, the key cap 21, the limiting structure 22 and the elastic member 23 move toward the inner side of the frame 10, so that the middle section of the elastic arm contacts the power control button on the key panel, squeezing the power control button to achieve control. When the force of the user pressing the key cap 21 disappears, the key assembly 20 returns to its original state due to the elastic force of the elastic arm itself.

[0063] When the elastic arm contacts the power control button, the key structure is controlled to be turned on or off, and the power indicator light is controlled to be turned on or off at the same time.

[0064] Reference Figure 5 (a), under the action of external force, the middle section of the elastic arm 232 of the key cap 21 squeezes the power control button 31, and the elastic arm 232 bends, referring to Figure 5 (b) After the external force of the key cap 21 disappears, the elastic arm 232 returns to its original shape under the elastic force of itself and the power control button 31.

[0065] Another aspect of an embodiment of the present invention provides a display device, comprising a key structure as described in any one of the above.

[0066] The display device provided by the embodiment of the present invention is used for all-in-one devices such as electronic whiteboards, signboards, and conference machines.

[0067] In summary, a key structure provided by an embodiment of the present invention includes: a frame, a key assembly and a key board; wherein a power control module, an infrared receiving module and a power indicator light are arranged on the key board; the frame includes a key through hole; one end of the key assembly passes through the key through hole and protrudes out of the outside of the frame, and the other end of the key assembly is arranged on the inner side of the frame and is opposite to the power control module; when one end of the key assembly is subjected to pressure, the other end of the key assembly contacts the power control module and squeezes the power control module. An embodiment of the present invention provides a key structure, which can integrate a power control module, an infrared receiving module and a power indicator light on a key board, and uses a key assembly to control the power control assembly, which can achieve the technical effect of a narrow frame and simplification of the display screen while accurately controlling the working state of the display screen.

[0068] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the working process of the substrate described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0070] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A key structure, characterized in that: include: Frame, button assembly, glass layer and button board; Among them, the key board is provided with a power control module, an infrared receiving module and a power indicator light; the frame includes a key through hole; one end of the key component passes through the key through hole and protrudes out of the outside of the frame, and the other end of the key component is arranged on the inner side of the frame and opposite to the power control module; when one end of the key component is subjected to pressure, the other end of the key component contacts the power control module and squeezes the power control module; the key component includes: a limiting structure and an elastic member, and the elastic member includes: a fixed column and an elastic arm; the fixed column is arranged at both ends of the elastic arm; a limiting hole is arranged on the limiting structure, and the limiting hole corresponds to the fixed column one by one, and the fixed column is embedded in the limiting hole to realize the limiting of the elastic member; the glass layer covers the key component and the key board, and fits with the surrounding of the frame.

2. The key structure according to claim 1, characterized in that: The button assembly further includes: a button cap; Among them, the button cap passes through the button through hole, and the first end of the button cap protrudes out of the outside of the frame, and the second end is fixedly connected to the limiting structure; one side of the elastic member is limited in the limiting structure, and the other side is opposite to the power control module; the limiting structure and the elastic member are arranged on the inner side of the frame.

3. The key structure according to claim 1, characterized in that: The power control module includes a power control button, the infrared receiving module includes an infrared receiver, the power control button, the infrared receiver and the power indicator light are all arranged on the first surface of the key board, wherein the power control button is arranged toward the elastic arm; the signal receiving direction of the infrared receiver is parallel to the first surface and perpendicular to the plane where the frame is located.

4. The key structure according to claim 3, characterized in that: The light emitting direction of the power indicator light is the same as the signal receiving direction of the infrared receiver.

5. The key structure according to claim 4, characterized in that: When there is no external force acting on the button cap, the distance between the elastic arm and the power control button is 0.1 mm-0.3 mm.

6. The key structure according to claim 2, characterized in that: The button cap protrudes from the outer side of the frame by 0.8mm-1.2mm.

7. The key structure according to claim 4, characterized in that: The inner side of the frame is also provided with a bending portion; the bending portion is provided with a threaded hole; the key board is provided with a fixing hole; the fixing holes and the threaded holes correspond one to one; the fixing holes and the threaded holes are fixed by screws, thereby fixing the frame and the key board.

8. The key structure according to claim 2, characterized in that: The surface area of ​​the limiting structure is greater than the surface area of ​​the key cap, and the orthographic projection of the key cap on a first surface where the limiting structure contacts the key cap falls within the first surface.

9. The key structure according to claim 8, characterized in that: The limiting structure is a rectangular parallelepiped, and the four sides of the rectangular parallelepiped are rounded corners; the side of the limiting structure close to the button cap is stuck in the button through hole.

10. The key structure according to claim 7, characterized in that: There are two bending parts, and the limiting structure is arranged between the two bending parts. The side of the two bending parts opposite to the limiting structure has a rounded corner that matches the rounded corner of the limiting structure and is used to limit the limiting structure.

11. The key structure according to claim 7, characterized in that: There are two fixing holes, and the fixing holes correspond to the bending parts one by one; the power control button is arranged between the two fixing holes; the power indicator light is arranged on the side of the fixing hole away from the power control button; the infrared receiver is arranged on the side of the power indicator light away from the fixing holes.

12. The key structure according to claim 11, characterized in that: The bending portion is arranged on the inner side of the first side of the frame, and there is a preset space between the bending portion close to the second side of the frame and the second side of the frame, and the power indicator light and the infrared receiver are arranged in the preset space; wherein the first side and the second side are connected.

13. A display device, characterized in that: Comprising a key structure as described in any one of claims 1-12.

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