CN201194420Y - Key set structure for portable electronic device - Google Patents

Abstract

The utility model provides a be applied to button group structure in portable electronic device, button group structure further contains the button that a plurality of regular spread set up, the button still contains the key body and touches splenium, it sets up in the upper surface of key body to touch splenium arch, supply the user to press, the key body can touch the switch shell fragment that sets up in its bottom side, in order to produce the command signal corresponding to the button, wherein along portable electronic device's the direction of holding, the button that is close to the side of holding touches the splenium upper surface area less, through the design that accords with human engineering, make the user can be convenient, accurate, and have the comfortable sensation the button of pressing down, use button group structure, except making the signal produce inerrably, still can reduce the harm that the erroneous pressure produced the button to the pressure, and can avoid the chance of mistake pressure touch adjacent button.

Description

Button Group Structure Applied in Portable Electronic Devices

technical field

The utility model relates to a key group structure, in particular to a key group structure applied in portable electronic devices.

Background technique

In the life of modern people, mobile communication devices such as mobile phones have become indispensable communication tools, which can be used to transmit and exchange information. In recent years, with the prevalence of video and audio multimedia information, the function of playing video and audio multimedia has gradually become the standard equipment of this type of mobile communication device, and even many mobile communication devices also include Personal Digital Assistant (PDA) , Global Positioning System (Global Positioning System; GPS) and other modules have become portable electronic devices with more functions. Therefore, portable electronic devices such as mobile communication devices need to be provided with more complex button groups (or keyboards). ), to meet the needs of various button command signal input.

Please refer to FIG. 1 , which is a schematic diagram of the front appearance of the portable electronic device 10 in the operating state where the key set 14 is located in the prior art. The portable electronic device 10 shown in the figure is a common direct mobile communication device, and the keyboard is composed of a plurality of keys.

The straight-type mobile communication device is easy to operate in a standing direction with one hand, and a liquid crystal display 12 is arranged on the top of the panel on the upper surface for displaying the screens required by the portable electronic device 10 . The lower part will be provided with a button group 14 composed of function keys and symbol keys (keypad), which is used to input functional commands such as power on, power off, communication link, interrupt communication, search up and down, confirmation, setting, etc. , and input symbol commands such as *, #...1, 2, 3...A, B, C...ㄅ, ㄆ, ㄇ, etc. to operate the portable electronic device 10 .

The operator generally uses the thumb to press the plurality of buttons. Please refer to FIG. 2, which shows a schematic diagram of the pressing area of the thumb pressing the button group 14, wherein the upper drawing of FIG. 2 shows the pressing of the thumb pressing the inner button Schematic diagram of the area, the lower part of Figure 2 is a schematic diagram of the pressed area of the thumb pressing the outer button. It can be seen from the accompanying drawing on the upper side of Fig. 2 that when the thumb presses the middle area of the button group 14, the contact area of the thumb fingertip is large; and it can be seen from the accompanying drawing on the lower side of Fig. Closer to the position of the hand), the contact area of the thumb fingertip is smaller. However, for the existing key set 14 , when the contact area of the thumb is large, it is easy to mistakenly touch adjacent keys. When the thumb contact area is small, it may cause a bias, and the button 1402 biases the switch shrapnel (metal dome) on the bottom side. Therefore, sometimes the signal cannot be generated due to poor contact, or the switch shrapnel and metal dome may be caused by long-term bias. Damage to key post below key 1402.

In addition, according to different usage habits, the operator's thumb may have different pressing directions, or the operator may use two thumbs to press at the same time. The structure of the button group is ergonomically designed to improve the above problems.

Contents of the invention

The purpose of this utility model is to provide a button group structure applied in portable electronic devices, which can make the optimal position of pressing the button precise, and can reduce the deviation of pressing and touching the button in addition to making the signal correct. The resulting injury can avoid the chance of mistakenly pressing adjacent keys, and at the same time, it can take into account the aesthetic appearance of the key groups arranged in the portable electronic device.

The utility model relates to a key group structure applied in a portable electronic device, and the key group structure includes a plurality of keys.

A plurality of keys are regularly arranged on one side of the portable electronic device, and the keys include a key body and a touch portion.

The key body can touch and press the switch elastic piece on the bottom side of the portable electronic device to generate a command signal corresponding to the key. The pressing part protrusion is arranged on the upper surface of the key body.

Wherein along the holding direction of the portable electronic device, the upper surface area of the pressing part of the button adjacent to the holding side is relatively small. In addition, with various holding methods, there are various further matching design details and implementation methods.

Therefore, the beneficial technical effect of the utility model is that, through the button group structure applied in the portable electronic device, according to the ergonomic design, using the design method of the different sizes of the contact parts, it is possible to press the buttons accurately. Pressing to the best position, in addition to making the signal correct, can also reduce the damage to the keys caused by biased pressing, and avoid the chance of pressing adjacent keys by mistake, and at the same time, it can take into account the keys arranged in the portable electronic device. The beauty of the set.

The advantages and spirit of the present utility model can be further understood through the following detailed description of the utility model and accompanying drawings.

Description of drawings

FIG. 1 is a schematic view of the front appearance of a portable electronic device in which a button group is located in an operating state in the prior art;

Fig. 2 is a schematic diagram of the pressing area of the thumb press button group;

Fig. 3 is the schematic diagram of the principle of the structure distribution design of the button group of the present invention;

Fig. 4 is the distribution schematic diagram of the button group structure of the present utility model;

Fig. 5 is a schematic diagram of another embodiment of the structure of the thumb press key group;

Fig. 6 is a schematic diagram of the distribution design principle of the button group structure root Fig. 5 of the present utility model;

Fig. 7 is a schematic distribution diagram of another embodiment of the key group structure of the present invention;

Fig. 8 is a schematic diagram of yet another embodiment of the structure of the thumb press key group;

Fig. 9 is a schematic distribution diagram of yet another embodiment of the button group structure of the present invention;

Fig. 10 is a schematic distribution diagram of yet another embodiment of the button group structure of the present invention;

Figure 11 is another embodiment of the distribution of the contact pressure part of the utility model corresponding to Figure 4;

Figure 12 is another embodiment of the distribution of the contact pressure part of the utility model corresponding to Figure 7;

Figure 13 is another embodiment of the distribution of the contact pressure part of the utility model corresponding to Figure 9;

Fig. 14 is another embodiment of the distribution of the pressing part 40 corresponding to Fig. 10 of the present invention; and

Fig. 15 is a side sectional view of the button of the present invention.

Wherein, the reference signs are explained as follows:

Portable Electronic Devices 10 Liquid Crystal Displays 12

Button Group 14 Buttons 1402

Button Group Structure 30 Buttons 50

Key body 42 Contact part 40

Panel 52 Switch Shrapnel 54

Substrate 56

Detailed ways

The utility model relates to a key group structure applied in a portable electronic device. Please refer to FIG. 3 , which is a schematic diagram of the distribution design of the button group structure 30 of the present invention, and correspondingly shows the distribution of the small contact area and the large contact area. Figure 3 corresponds to the distribution range of the button group on the upper surface of the portable electronic device. Generally, the handheld direction of the portable electronic device is left and right. If it is generally held with the right hand as shown in the existing drawings and pressed with the thumb , the closer to the upper right, the smaller the area where the thumb touches the button, and the farther away, the larger the area where the thumb touches the button.

Conversely, if you hold it with your left hand and press it with your thumb, the closer to the upper left, the smaller the area where the thumb touches the button, and the farther away, the larger the area where the thumb touches the button.

Therefore, corresponding to the possibility of two-handed operation (both at the same time or not at the same time), as shown in the figure, it will be considered that the upper sides of the two sides are the areas with a smaller pressure-contact area of the thumb, and the lower the middle, the thumb will be considered The pressure contact area is larger.

Referring to FIG. 3 , please refer to FIG. 4 , wherein FIG. 4 is a schematic distribution diagram of the button group structure 30 of the present invention. The button group structure 30 also includes a plurality of buttons 50 . A plurality of buttons 50 are regularly arranged on one side of the portable electronic device, as shown in FIG. 1 . Further, the key 50 also includes a key body 42 and a pressing portion 40 .

The plurality of key bodies 42 of the plurality of keys 50 are of the same size, and the pressing portion 40 is protrudingly arranged on the upper surface of the key body 42 for being directly pressed by the user, for example, pressing with the aforementioned thumb fingertips. . After the pressing portion 40 is pressed, the key body 42 can also press the switch spring 54 on the bottom side thereof to generate a command signal corresponding to the key 50 .

Wherein along the holding direction of the portable electronic device, the upper surface area of the pressing portion 40 of the button 50 adjacent to the holding side is relatively small. Since the holding direction in this embodiment is left and right, the portable electronic device The upper surface areas of the pressing portions 40 on both sides are relatively small. And, because the general button group structure 30 is arranged on the lower part of the portable electronic device, so, in accordance with the thumb extension direction in FIG. smaller.

It can be seen from the oblique top view of FIG. 4 that the spacing between any two adjacent key bodies 42 in the same direction among the plurality of key bodies 42 is equal, that is to say, not only the gaps between the horizontal key bodies 42 are equal, Moreover, the gaps between the vertical key bodies 42 are also equal, so that the key groups are neatly arranged. The two sides, especially the upper part of the contact pressure part 40, have a smaller area, and the area corresponding to the user's thumb pressure contact is smaller, so that the thumb can be pressed to a specific position more accurately, and this specific position is the touch pressure. part 40 position.

In addition, refer to FIG. 5 , which is a schematic diagram of another embodiment of the thumb press key group structure 30 . According to different pressing habits, the operator may also extend the thumbs of both hands from the lower part of both sides to the key set structure 30 to operate the plurality of keys 50 therein.

Referring to FIG. 5, please refer to FIG. 6. FIG. 6 is a schematic diagram of the distribution design principle of the button group structure 30 of the present invention according to FIG. 5, and shows the distribution of the small contact area and the large contact area accordingly. At this time, the hand-holding direction of the portable electronic device is still left and right. Corresponding to the possibility of two-handed operation, as shown in the figure, it will be considered that the lower part of the two sides is the area with a smaller thumb pressing area. To the upper middle, it is considered that the thumb presses the larger the contact area.

In accordance with the principle shown in FIG. 6 , please refer to FIG. 7 . FIG. 7 is a schematic distribution diagram of another embodiment of the button group structure 30 of the present invention. Along the horizontal grip direction of the portable electronic device, the upper surface area of the pressing portion 40 of the button 50 adjacent to the holding side is relatively small, that is, the upper surface area of the pressing portion 40 on both sides of the portable electronic device is still small. The surface area is smaller. And, because the general button group structure 30 is arranged on the bottom of the portable electronic device, and the operator's thumb extends inwardly from the outside, so, further, the contact portion of the button 50 adjacent to the bottom of the portable electronic device The upper surface area of the button 40 is smaller, while the upper surface area of the pressing portion 40 adjacent to the key 50 on the top of the portable electronic device is larger.

In addition, refer to FIG. 8 , which is a schematic diagram of another embodiment of the thumb press key group structure 30 . According to different pressing habits, the operator's grip direction may be changed to a vertical direction from bottom to top, so the thumbs of both hands extend from the bottom side to the key set structure 30 to operate multiple keys 50 therein.

Referring to FIG. 8 , please refer to FIG. 9 . FIG. 9 is a schematic distribution diagram of a key group structure 30 according to yet another embodiment of the present invention. At this time, corresponding to the possibility of two-handed operation, the pressing area of the thumbs adjacent to the lateral sides of the portable electronic device is larger, while the pressing area of the thumbs in the lateral middle section of the portable electronic device is smaller.

Therefore, the pressing parts 40 of the plurality of keys 50 are designed such that the pressing parts 40 adjacent to the lateral sides of the portable electronic device have a larger upper surface area, and the pressing parts 40 in the middle section of the portable electronic device have a larger surface area. The upper surface area is designed to be small. Further, since the thumb is adjacent to the lower part, the upper surface area of the pressing part 40 at the lower part of the pressing key set structure 30 may be designed to be smaller, while the upper surface area of the upper part 40 may be larger.

In addition, please refer to FIG. 10 . FIG. 10 is a schematic distribution diagram of yet another embodiment of the button group structure 30 of the present invention. According to the pressing pattern of FIG. 8, if the thumbs are stretched in from bottom to top, but slightly separated, corresponding to the possibility of two-handed operation, the thumbs adjacent to the lateral sides of the portable electronic device have larger pressing areas. In the lateral middle section of the portable electronic device, the pressing positions corresponding to the two thumbs are smaller, but the pressing area between the pressing positions corresponding to the two thumbs is slightly larger.

Therefore, the pressing parts 40 of the plurality of keys 50 are designed such that the upper surface area of the pressing parts adjacent to the lateral sides of the portable electronic device is larger, and the pressing part of the pressing parts adjacent to the middle section of the portable electronic device in the lateral direction is larger. 40 area, which is also slightly larger than the upper surface area of the pressing portion 40 of the keys 50 on the adjacent left and right sides, and the area of the pressing portion 40 of the pressing portion 40 of the key 50 corresponding to the two symmetrical regions corresponding to the two thumbs at the middle section of the transverse direction is the smallest. . Further, since the thumb is adjacent to the lower part, it can also be designed so that the upper surface area of the pressing part 40 at the lower part of the pressing key set structure 30 is smaller, while the upper surface area of the pressing part 40 at the upper part is larger.

It is supplemented that Figure 4, Figure 7, and Figure 9 are based on two-handed operation. If one-handed operation is considered, then Figure 4, Figure 7, and Figure 9 are cut in half longitudinally, and only refer to the single-handed operation. On the one hand, the design principle is that the button group structure 30 can be properly designed for one-handed operation.

In addition, the pressing parts 40 in Fig. 4, Fig. 7, Fig. 9, and Fig. 10 are all distributed on the side of the key body 42 in the direction where the thumb is stretched out, which is only an example of the distribution of the pressing parts 40. In fact, the pressure contact portion 40 may also have other distribution designs.

Please refer to FIG. 11 . FIG. 11 is another embodiment of the distribution of the pressing parts 40 of the present invention corresponding to FIG. 4 . When the thumb extends from the top of both sides, this conforms to the design principle of FIG. 3 , and the upper surface area of the pressing portion 40 becomes smaller as it is closer to the upper side, so that the operator can press it.

Please refer to FIG. 12 . FIG. 12 is another distribution embodiment of the pressing portion 40 of the present invention corresponding to FIG. 7 . When the thumbs are inserted from the bottom of both sides, this conforms to the design principle of FIG. 6 , the lower the outer side, the smaller the upper surface area of the pressing part 40 is, so that the operator can press.

Please refer to FIG. 13 . FIG. 13 is another embodiment of distribution of the pressing portion 40 of the present invention corresponding to FIG. 9 . When the thumb stretches in from the lower side at the central lower side, the upper surface area of the contact pressure part 40 near the middle section is smaller, and the upper surface area of the contact pressure part 40 to both sides and upward is larger, so that The operator presses.

Please refer to Fig. 14. Fig. 14 is another distribution embodiment of the pressing part 40 corresponding to Fig. 10 of the present invention. The difference between Fig. 14 and Fig. 10 is that the position of the thumb in Fig. 10 is from the middle of the button group After separation, the second row corresponds to both sides respectively, and the thumb position in Figure 14 is the third row corresponding to both sides after separation from the middle of the button group. When the thumb stretches upwards from the lower side of the center, and there is a gap between the two thumbs, the closer to the bottom of the middle section, the smaller the upper surface area of the contact pressure part 40 corresponding to the two thumbs is, and the upper surface area of the two thumbs is closer to the two sides and upwards. The upper surface area of the pressing portion 40 is larger, and the upper surface area of the pressing portion 40 in the middle between the two thumbs is also slightly larger, so as to facilitate the operator to press.

Further referring to FIG. 15 , FIG. 15 is a side sectional view of the button 50 of the present invention. It can be seen from the figure that the key body 42 is disposed in the hole between the panels 52 , and can touch the switch spring 54 disposed on the bottom side thereof to generate a command signal corresponding to the key 50 . The switch elastic piece 54 is arranged on the substrate 56 of the portable electronic device. It is particularly worth noting that the switch elastic piece 54 is correspondingly arranged under the contact portion 40, so that the small-area contact portion 40 induces the user’s thumb to press here , and here the force can be applied vertically and correctly to make the key body 42 press against the switch elastic piece 54, thus avoiding the problems caused by the bias.

In addition, the pressing parts 40 on both sides of the portable electronic device have a small area, so the distance between them is farther than the distance between the key bodies 42, so it is more definite to press the keys 50 one by one without accidentally pressing two keys at once. For the two adjacent buttons 50, especially on the two sides of the portable electronic device, the movement of the thumb will be relatively limited and inflexible, and the farther distance between the touch and pressure parts 40 can prevent the thumb and fingertips from accidentally touching the adjacent buttons at the same time. Key 50.

Therefore, through the button group structure 30 used in the portable electronic device of the present invention, according to the ergonomic design, using the design method of the different sizes of the contact parts 40, it is possible to accurately press the button 50 to the best position. In addition to ensuring that the signal is generated correctly, it can also reduce the damage caused by biased pressing on the key 50, and can avoid the chance of accidentally pressing the adjacent key 50, and at the same time, it can take into account the safety of the key groups arranged in the portable electronic device. beautiful.

Through the detailed description of the preferred specific embodiments above, it is hoped that the features and spirit of the present utility model can be described more clearly, and the scope of the present utility model is not limited by the preferred specific embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the protection scope of the present invention.

Claims (8)

1. A button group structure applied to a portable electronic device, characterized in that the button group structure comprises a plurality of buttons, and the plurality of buttons are regularly arranged on one side of the portable electronic device, and the buttons Include: A key body, the key body can touch and press the switch shrapnel located on the bottom side of the key and arranged on the portable electronic device, so as to generate a command signal corresponding to the key; a pressing part, the protrusion is arranged on the upper surface of the key body; Wherein, along the holding direction of the portable electronic device, the upper surface area of the pressing portion of the button adjacent to the holding side is relatively small. 2. The key set structure according to claim 1, wherein the key set structure is arranged at the bottom of the portable electronic device, and the holding direction is left and right horizontal, adjacent to the top of the portable electronic device. The upper surface area of the pressing part is small. 3. The key set structure according to claim 1, wherein the key set structure is arranged on the bottom of the portable electronic device, and the holding direction is left and right horizontal, adjacent to the bottom of the portable electronic device. The upper surface area of the pressing part is small. 4. The key set structure according to claim 1, wherein the key set structure is arranged at the bottom of the portable electronic device, and the holding direction is vertical from bottom to top, adjacent to the portable electronic device The upper surface areas of the pressing parts of the keys on both lateral sides are larger. 5. The button group structure as claimed in claim 4, wherein the upper surface area of the pressing portion of the button in the horizontal middle section of the portable electronic device is larger than the contact area of the buttons on the left and right sides adjacent to the horizontal middle section of the portable electronic device. The pressure portion has a large upper surface area. 6 . The key set structure according to claim 1 , wherein the switch elastic piece is correspondingly disposed under the pressing portion. 6 . 7. The key set structure according to claim 1, wherein the spacing between any two adjacent key bodies located in the same direction among the plurality of key bodies is equal. 8. The key set structure according to claim 1, wherein the size of the plurality of key bodies is the same.

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