TW201435947A - Instruction generation structure of slim-type keyboard - Google Patents

Abstract

The present invention provides an instruction generation structure of slim-type keyboard, which comprises a circuit board and a frame stacked on the circuit board. The circuit board comprises a plurality of keyboard instruction portions for generating instruction signals by contact. The frame comprises a plurality of receiving areas respectively configured corresponding to each of keyboard instruction portions, at least two connection arms respectively extended from any two opposite corners of each receiving area toward the keyboard instruction portions, and at least one pressing element connected with each of the connection arms to be pressed and contacted with the keyboard instruction portions. Each of the connection arms comprises at least one first connection section connected at the corner position, at least one second connection section connected with the pressing element, and an elastic section connected with the first connection section and the second connection section and having at least one stress bending point.

Description

Thin keyboard command generation structure

The present invention relates to an instruction generating structure provided in a thin keyboard, and more particularly to an instruction generating structure in which a connecting arm is used instead of a conventional linking mechanism to make a keyboard thickness thinner.

The conventional keyboard is disclosed in the Chinese Patent No. 445471, No. I220213, and No. M346861, and generally has a key cap, a circuit board triggered by the key caps to generate a command signal, and a circuit board disposed on one side of the circuit board. a substrate, and an interlocking mechanism for connecting the keycap to the substrate at one end. When the keyboard is displaced relative to the circuit board by the keyboard, the linkage mechanism is pressed down to touch a circuit switch on the circuit board, so that the circuit switch is turned on to generate a corresponding command signal, if the key cap is not The force is displaced to the circuit board, and the linkage mechanism provides the keycap with a resilient force normal to abut the keycap from the circuit board and has a height relative to the circuit board. Although the conventional keyboard structure can achieve the purpose of inputting instructions, it is limited by the height and structural limitation of the linkage mechanism, so that the keyboard has a certain thickness. Looking at the needs of today's computer design, most of the main demands of light and thin products, especially for notebook computers, the ratio of the thickness of the keyboard module to the overall thickness is a major factor affecting the thickness of the notebook. Therefore, each manufacturer has no A thin design that does not focus on the keyboard structure can significantly reduce the thickness.

In order to overcome the above problems, some manufacturers have proposed another keyboard structure design, such as the Republic of China No. M434979 patent, which combines a first support member and a second support member to form a V-shaped structure to overcome the conventional linkage mechanism. The thickness problem caused by the implementation of the X-shaped structure. Or the patent of the Republic of China No. M419973, which replaces the conventional linkage mechanism by a telescopic lifting structure disposed between the keycap and the circuit board, or the patent of the Republic of China M426075, which utilizes the separation of the keycap The first support member and the second support member replace the conventional linkage mechanism. Although the keyboard structure disclosed in the above patents can make the overall thickness thinner, in reality, only the interlocking mechanism is implemented in another form, and still has a certain thickness, and the structure disclosed in the above patent cannot be easily implemented. Perform keyboard assembly.

The main object of the present invention is to provide a command structure for a thin keyboard. The support keyboard is supported by a connecting arm, and the problem that the conventional keyboard is limited by the linkage mechanism cannot be specifically thinned.

To achieve the above object, the present invention provides an instruction generating structure for a thin keyboard, comprising a circuit board and a frame stacked on the circuit board. The circuit board has a plurality of keyboard command parts that are contacted to generate a command signal, and the frame includes a plurality of accommodating areas respectively corresponding to each of the keyboard command parts, and at least two positions respectively from each of the accommodating areas a connecting arm extending toward the keyboard command portion, and at least one pressing member connecting each connecting arm to be pressed and pressed to contact the keyboard command portion, each of the connecting arms including at least one first connecting portion connecting the end corner positions, At least one second connecting segment connecting the pressing member and an elastic segment connecting the first connecting segment and the second connecting segment and having at least one stress bending point.

In one embodiment, the command generating structure further includes at least one elastic support member disposed between the circuit board and the frame and disposed corresponding to each of the keyboard command portions.

In one embodiment, the elastic support member includes a trigger portion that is pressed by the pressing member to contact the circuit board to generate a keyboard command signal. Further, the elastic support member is a sponge or an elastic member.

In one embodiment, the elastic support member includes a trigger portion that is pressed by the pressing member to contact the circuit board to generate a keyboard command signal, and a plurality of integral extensions extending from the trigger portion by the pressing member to deform and provide an elasticity Restoring the support of the valve.

In one embodiment, the command generating structure further includes at least one keycap corresponding to each of the pressing members.

In one embodiment, the keycap has a character symbol applied to the front edge of the keycap to indicate each of the pressing members.

In one embodiment, the command generating structure further includes a splint sandwiched between the pressing member and the keycap and marked with a character symbol.

In one embodiment, the pressing member has a character symbol applied to the surface of the pressing member to indicate each pressing member.

In one embodiment, the command generating structure further includes a light emitting structure, and the light emitting structure comprises a light emitting module and a pair of bottom plates disposed on the circuit board.

In an embodiment, the light emitting structure further includes a light guide plate disposed between the key cap and the bottom plate to transmit light.

In one embodiment, the circuit board includes at least one light-transmitting region corresponding to each of the accommodating regions and a non-light-transmitting region.

In one embodiment, the frame includes a light shielding layer disposed to limit the light from being transmitted only through the receiving area.

Through the above technical solution, the instruction generating structure of the thin keyboard provided by the present invention is characterized by the structure of the conventional keyboard command generation:

First, the thickness of the keyboard can be specifically thinned. The connecting arm supports the pressing member so as to suspend the circuit board a distance, and provides a restoring force of the pressing member after being pressed by the force, instead of the conventional linkage mechanism, overcoming the conventional keyboard thickness limited to the linkage mechanism. The problem of height and not being thin and light.

Second, the assembly is relatively simple. The invention replaces the conventional linkage mechanism with the connecting arm of the frame, thereby eliminating the cumbersome fastening process of the linkage mechanism, and simplifying keyboard assembly.

1. . . Circuit board

11. . . Keyboard command department

12. . . Light transmissive area

13. . . Non-transparent area

2. . . frame

twenty one. . . Included area

211, 211a. . . End position

twenty two. . . Connecting arm

221. . . First connection segment

222. . . Second connection segment

223. . . Elastic segment

23, 23a. . . Pressing member

231. . . Top contact

twenty four. . . Shading layer

3. . . Elastic support

3a. . . sponge

3b. . . Elastic part

31. . . Trigger

32. . . Supporting valve

4. . . keycap

41, 41a, 41b. . . Character symbol

42. . . Splint

5. . . Light structure

51. . . Bottom plate

52. . . Light guide

A. . . Stress bending point

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a top plan view showing the first embodiment of the command generating structure of the thin keyboard of the present invention.

FIG. 2 is a schematic structural view of a first embodiment of an instruction generating structure of a thin keyboard according to the present invention.

FIG. 3 is a schematic view showing another perspective structure of the first embodiment of the command generating structure of the thin keyboard of the present invention.

Fig. 4 is a view showing the pressing implementation of the first embodiment of the command generating structure of the thin keyboard of the present invention.

Fig. 5 is a structural schematic view showing the second embodiment of the command generating structure of the thin keyboard of the present invention.

Figure 6 is a block diagram showing the structure of a third embodiment of the command generating structure of the thin keyboard of the present invention.

Fig. 7 is a structural schematic view showing the fourth embodiment of the command generating structure of the thin keyboard of the present invention.

Figure 8 is a block diagram showing the structure of a fifth embodiment of the command generating structure of the thin keyboard of the present invention.

Figure 9 is a block diagram showing the structure of a sixth embodiment of the command generating structure of the thin keyboard of the present invention.

The detailed description and technical contents of the present invention will now be described as follows:

Referring to FIG. 1 to FIG. 4, the command generating structure of the thin keyboard of the present invention eliminates the interlocking mechanism used in the conventional command generating structure, thereby making the overall thickness of the keyboard particularly thin. The command generating structure includes a circuit board 1 and a frame 2 stacked on the circuit board 1. The circuit board 1 has a plurality of keyboard command portions 11 that are contacted to generate a command signal. The frame 2 includes a plurality of accommodating regions 21 respectively corresponding to each of the keyboard command portions 11. Further, the accommodating region 21 includes a plurality of End corner position 211. The frame 2 further includes at least two connecting arms 22 extending from the opposite end angular positions 211, 211a of each of the accommodating regions 21 toward the keyboard command portion 11 and at least one connecting each of the connecting arms 22 to be pressed and contacted. The pusher 23 of the keyboard command unit 11. Each of the connecting arms 22 includes at least one first connecting portion 221 connected to the end angular position 211, at least one second connecting portion 222 connecting the pressing member 23, and a connecting the first connecting portion 221 and the second connection The segment 222 has an elastic segment 223 of at least one stress bending point A. 4, as described above, when the connecting arm 22 is not deformed by force, it means that the pressing member 23 is supported by the keyboard command portion 11 when the pressing member 23 is not forced to be displaced to the circuit board 1. A command is suspended because it is not in contact with the keyboard command unit 11. If the pressing member 23 is displaced to the circuit board 1 by force, the pressing member 23 interlocks the connecting arm 22 to deform, and the finger deformation is as shown in FIG. 4, and the second connecting portion 222 is displaced toward the circuit board 1. The stress generated during pressing is dissipated at the stress bending point A of the elastic section 223. When the external force pressing the pressing member 23 disappears, the elastic segment 223 returns to the unstressed state by the stress bending point A.

Referring to FIG. 1 to FIG. 4 , the command generating structure further includes at least one elastic support member 3 disposed between the circuit board 1 and the frame 2 and corresponding to each of the keyboard command portions. When the pressing member 23 is displaced to the circuit board 1, the elastic supporting member 3 is pressed by the pressing member 23 to deform, and the keyboard command portion 11 pressed against the circuit board 1 generates a command signal, and the pressing is pressed. When the external force of the member 23 disappears, the elastic supporting member 3 returns to the unpressed state by the elastic restoring force of the member. More specifically, the elastic support member 3 may include a triggering portion 31 that is pressed by the pressing member 23 to contact the circuit board 1 to generate a command signal, and the elastic supporting member 3 is used in the industry, such as a sponge. 3a (shown in Figure 5), a shrapnel (not shown) or an elastic member 3b (as shown in Figure 6) used in the conventional keyboard structure, and the position of the sponge 3a can be set locally or Slice settings. In addition to the above-described embodiment, the elastic support member 3 can further have a plurality of extensions integrally extending from the trigger portion 31 by being deformed by the pressing member 23 to deform and provide the elastic restoring force. The valve body 32, and the elastic support member 3 having the support valve body 32 as referred to in this embodiment is depicted in FIG. Furthermore, the pressing member 23 can further have a top contact portion 231 corresponding to each of the keyboard command portions 11 contacting the keyboard command portion 11 when the pressing member 23 is forced to be displaced toward the circuit board 1.

Referring to FIG. 2, further, the present invention may include at least one key cap 4 corresponding to each of the pressing members 23, the key cap 4 provides a large pressing area for the user to quickly hit the command. Signal. Further, the keycap 4 further has a character symbol 41 applied to the front edge of the keycap 4 to indicate each of the pressing members 23. In a specific implementation, the command signals generated by each of the pressing members 23 are not the same, and the character symbol 41 is for the user to distinguish each of the pressing members 23. In addition, the character symbol 41a can also be applied to the pressing member. The front edge of the member 23 is used to indicate each of the pressing members 23 as shown in FIG. Referring to FIG. 8 , on the other hand, the key cap 4 is further translucent, so that a clamping plate 42 can be disposed between the key cap 4 and the pressing member 23 , and the clamping plate 42 can be printed. The character symbol 41b is marked on the same manner, and the character symbol 41b is visualized by the light transmittance of the key cap 4.

Referring to FIG. 1 to FIG. 4 , the command generating structure of the thin keyboard of the present invention further includes a light emitting structure 5 including a light emitting module (not shown) and a pair of corresponding circuit boards 1 . The illuminating module 5 can be a light emitting diode module or other electroluminescent module. The illuminating structure 5 further includes a key cap 4 and the bottom plate 51. The light guide plate 52 is disposed at a plurality of positions, and the light guide plate 52 can be disposed corresponding to the position of the light-emitting module, and can be stacked on or superposed on the bottom plate 51. In addition, the circuit board 1 includes at least one transparent region 12 and a non-transmissive region 13 disposed corresponding to each of the accommodating regions 21, so that the light transmitted by the illuminating module can only illuminate through the transparent region 12. Furthermore, the frame 2 further includes a light shielding layer 24 for arranging the frame 2 to restrict light from being transmitted only through the accommodating region 21. The light shielding layer 24 is embodied in a plurality of ways, and may be a light shielding plate disposed on the frame 2 or a light shielding material coated on the frame 2. In addition, the aspect of the pressing member 23 depicted in the foregoing embodiment of the present invention is not limited thereto, and a pressing member 23a of the frame 2 is further formed as shown in FIG.

In summary, the command generating structure of the thin keyboard of the present invention comprises a circuit board and a frame stacked on the circuit board. The circuit board has a plurality of keyboard command parts that are contacted to generate a command signal, and the frame includes a plurality of accommodating areas respectively corresponding to each of the keyboard command parts, and at least two positions respectively from each of the accommodating areas a connecting arm extending toward the keyboard command portion, and at least one pressing member connecting each connecting arm to be pressed and pressed to contact the keyboard command portion, each of the connecting arms including at least one first connecting portion connecting the end corner positions, At least one second connecting segment connecting the pressing member and an elastic segment connecting the first connecting segment and the second connecting segment and having at least one stress bending point. The connecting arm replaces the linkage mechanism in the conventional keyboard structure, and produces the same function as the linkage mechanism. Compared with the conventional keyboard structure, the present invention does make the overall thickness of the keyboard light and thin, and is no longer limited by the height of the linkage mechanism. In turn, it can be applied to more products that are thinner and lighter.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Variations and modifications are still within the scope of the patents of the present invention.

1. . . Circuit board

11. . . Keyboard command department

12. . . Light transmissive area

13. . . Non-transparent area

2. . . frame

twenty one. . . Included area

twenty two. . . Connecting arm

twenty three. . . Pressure piece

twenty four. . . Shading layer

3. . . Elastic support

31. . . Trigger

32. . . Supporting valve

4. . . keycap

41. . . Character symbol

5. . . Light structure

51. . . Bottom plate

52. . . Light guide

Claims (13)

An instruction generating structure of a thin keyboard, comprising:
a circuit board having a plurality of keyboard command portions that are contacted to generate a command signal; and a frame stacked on the circuit board, including a plurality of accommodating regions respectively corresponding to each of the keyboard command portions, at least two respectively Any two opposite angular end positions of the accommodating area extending toward the position of the keyboard command portion in the accommodating area, and at least one pressing member connecting each of the connecting arms to press and contact the keyboard commanding portion, The connecting arm includes at least one first connecting section connecting the corner positions, at least one second connecting section connecting the pressing member, and a connecting the first connecting section and the second connecting section and having at least one stress bend The elastic segment of the vertices. The command generating structure of the thin keyboard according to claim 1, further comprising at least one elastic supporting member disposed between the circuit board and the frame and corresponding to each of the keyboard command portions. The command generating structure of the thin keyboard according to claim 2, wherein the elastic supporting member comprises a triggering portion that is pressed by the pressing member to contact the circuit board to generate a keyboard command signal. The command generating structure of the thin keyboard according to claim 3, wherein the elastic support member is a sponge or an elastic member. The command generating structure of the thin keyboard according to claim 2, wherein the elastic supporting member comprises a triggering portion that is pressed by the pressing member to contact the circuit board to generate a keyboard command signal, and the plurality of integral extending to the triggering portion The support valve body is deformed by the pressing member to deform and provide an elastic restoring force. The command generating structure of the thin keyboard according to claim 1, further comprising at least one key cap corresponding to each of the pressing members. The command generating structure of the thin keyboard according to claim 6, wherein the key cap has a character symbol applied to the front edge of the keycap to indicate each pressing member. The command generating structure of the thin keyboard according to claim 6 of the patent application, further comprising a splint sandwiched between the pressing member and the key cap and marked with a character symbol. The command generating structure of the thin keyboard according to claim 6, wherein the pressing member has a character symbol applied to the front edge of the pressing member to mark each pressing member. The command generating structure of the thin keyboard according to claim 1, further comprising a light emitting structure, the light emitting structure comprising a light emitting module and a pair of bottom plates disposed on the circuit board. The command generating structure of the thin keyboard according to claim 10, wherein the light emitting structure further comprises a light guide plate disposed between the key cap and the bottom plate to transmit light. The command generating structure of the thin keyboard according to claim 10, wherein the circuit board comprises at least one light transmitting area corresponding to each of the accommodating areas and a non-light transmitting area. The command generating structure of the thin keyboard according to claim 10, wherein the frame comprises a light shielding layer disposed to restrict the light from being transmitted only through the receiving area.