CN213934821U - Digital keyboard with calculator function - Google Patents

Abstract

The utility model discloses a numeric keyboard with calculator function, which comprises a shell, a key assembly, a control circuit board and a power supply battery; the key assembly comprises a plurality of keys, and each key is formed by correspondingly connecting a key core and a keycap; the key core, the control circuit board and the power supply battery are all arranged in the shell, and the keycap is connected to the pressing end of the key core and is exposed out of the upper surface of the shell; the key assembly comprises a switching key, and the switching key is used for switching the numeric keyboard into a calculation state or an input state. According to the technical scheme, the numeric keyboard is integrated with the calculator function on the basis of the numeric keyboard by arranging the switching key for switching the numeric keyboard into the calculation state or the input state, so that the numeric keyboard can be freely switched between the calculator and the numeric input keyboard, and the input convenience is improved; the mechanical key core is adopted, so that the use hand feeling of the numeric keyboard is improved, and the service life of the numeric keyboard is prolonged.

Description

Digital keyboard with calculator function

Technical Field

The utility model relates to a computer peripheral equipment field, the more specifically digital keyboard of taking calculator function that says so.

Background

The keyboard is an important input device for the computer, is the most common and main input device, and can input English letters, numbers, punctuations and the like into the computer through the keyboard so as to send commands, input data and the like to the computer. In the traditional keyboard, the numeric keypad is arranged on the right side of the keyboard, so that the operation is inconvenient and the working efficiency is influenced.

For a user who frequently performs digital calculation and inputs, the calculator arranged on the desktop occupies space and is inconvenient, and meanwhile, the calculator cannot exchange data with a computer and needs to be repeatedly input, so that the working efficiency is influenced; in addition, the numeric keyboard on the market generally adopts a thin-film crater structure, so that the service life is short, the hand feeling is not good, and meanwhile, because the numeric keyboard does not have a display screen and a calculator function, if calculation is needed, an additional calculator is needed.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a take digit keyboard of calculator function.

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

the utility model provides a digital keyboard with calculator function, which comprises a shell, a key assembly, a control circuit board and a power supply battery; the key assembly comprises a plurality of keys, and each key is formed by correspondingly connecting a key core and a keycap; the key core, the control circuit board and the power supply battery are all arranged in the shell, and the keycap is connected to the pressing end of the key core and is exposed out of the upper surface of the shell; the key assembly comprises a switching key, and the switching key is used for switching the numeric keyboard into a calculation state or an input state.

Further, the shell comprises an upper cover and a lower cover, and the upper cover and the lower cover are covered to form the shell.

Further, the upper cover and the lower cover are connected in a buckling mode to form the shell.

Furthermore, the upper cover comprises a cover body and a surface cover, a first mounting through hole is formed in the middle of the cover body, and the surface cover is covered on the first mounting through hole; the position of the surface cover, which is opposite to the key core, is correspondingly provided with a key through hole, and the keycap penetrates through the key through hole to be connected with the pressing end of the key core.

Furthermore, the upper surface of upper cover still is provided with the display screen, the display screen is connected control circuit board.

Further, the lid still is provided with second installation through-hole, second installation through-hole is provided with glass panels, just glass panels is just right the display screen sets up.

Further, the key core is a mechanical key core.

Further, the power supply battery is a lithium battery.

Further, the bottom cover comprises a foot pad which is adhesively fastened to the bottom surface of the lower cover.

Further, the foot pad is an elastic foot pad.

Compared with the prior art, the utility model beneficial effect be: the utility model provides a take digit pad of calculator function, through setting up one and be used for switching the digit pad and get into the switching button of calculating state or input state, integrated the function of calculator on the basis of digit pad, make the digit pad can freely switch between calculator and digit input keyboard, improve the input convenience; the mechanical key core is adopted, so that the use hand feeling of the numeric keyboard is improved, and the service life of the numeric keyboard is prolonged.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

FIG. 1 is an assembly diagram of a specific embodiment of a numeric keypad with calculator function according to the present invention;

fig. 2 is an exploded view of an embodiment of the numeric keyboard with calculator function according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following 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. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1-2, the present invention provides a numeric keypad with calculator function, which comprises a housing 10, a key assembly 40, a control circuit board 20 and a power supply battery 30; the key assembly 40 comprises a plurality of keys 41, and each key 41 is formed by correspondingly connecting a key core 411 and a key cap 412; the key core 411, the control circuit board 20 and the power supply battery 30 are all arranged in the casing 10, and the keycap 412 is connected to the pressing end of the key core 411 and is exposed out of the upper surface of the casing 10; the key assembly 40 includes a switch key 41a, and the switch key 41a is used to switch the numeric keypad into a calculation state or an input state.

In the embodiment, the switching key 41a for switching the numeric keyboard to enter the calculation state or the input state is arranged, and the function of the calculator is integrated on the basis of the numeric keyboard, so that the numeric keyboard can be freely switched between the calculator and the numeric input keyboard, and the calculation and input convenience of a user is improved.

In an optional embodiment, a Num lock or a Calcultor key may be set as the switching key 41a, and when the key is used, the Fn + Num lock or the Fn + Calcultor key is pressed to switch the numeric keyboard between the calculation state and the input state, specifically, the ASC code of the numeric keyboard is a standard code value.

Referring to fig. 2, in the present embodiment, the casing 10 includes an upper cover 12 and a lower cover 11, the upper cover 12 and the lower cover 11 cover the casing 10, and the split type upper cover 12 and the split type lower cover 11 improve the convenience of assembling the key assembly 40, the control circuit board 20 and the power supply battery 30 inside the casing 10.

In an optional embodiment, the upper cover 12 and the lower cover 11 are connected by a snap to form the housing 10, the snap connection is convenient to disassemble and assemble, and meanwhile, the connection stability and the connection strength are high, so that the normal use of a plain keyboard can be ensured.

Referring to fig. 2, the upper cover 12 includes a cover 121 and a surface cover 122, a first mounting through hole 124 is formed in the middle of the cover 121, and the surface cover 122 covers the first mounting through hole 124; the surface cover 122 is correspondingly provided with a key through hole at a position opposite to the key core 411, and the keycap 412 passes through the key through hole and is connected with the pressing end of the key core 411. The arrangement cover 122 can protect the devices such as the control circuit board 20, the power supply battery 30 and the key core 411 inside the lower cover 11, and can better protect the whole numeric keyboard.

Referring to fig. 2, the upper surface of the upper cover 12 is further provided with a display screen 50, the display screen 50 is connected to the control circuit board 20, and the display screen 50 can display the calculation input value and the calculation result when the numeric keypad is in a calculator state, so that the numeric keypad can be used for calculating instead of the calculator more intuitively and conveniently. In particular, the display screen 50 may be an LCD or LED display screen.

Referring to fig. 2, the cover 121 is further provided with a second mounting through hole 125, the second mounting through hole 125 is provided with a glass panel 123, and the glass panel 123 is disposed opposite to the display screen 50, and the glass panel 123 is used for protecting the display screen 50.

In this embodiment, the key core 411 is a mechanical key core 411, the mechanical key core 411 has a long service life, and the input hand feeling is better, so that the user experience is improved.

In an alternative embodiment, keycap 412 is provided with a backlight structure that can be turned on and off as desired.

In the present embodiment, the power supply battery 30 is a lithium battery, which has a high energy ratio and can support the continuous operation of the numeric keyboard for a longer time.

In this embodiment, a numeric keypad with calculator function further includes a foot pad 13, the foot pad 13 is adhesively fastened to the bottom surface of the lower cover 11, and the foot pad 13 is used to raise the height of the numeric keypad, so that the numeric keypad is more convenient for the user to use.

In an alternative embodiment, the foot pads 13 are elastic foot pads, which can protect the numeric keypad when the numeric keypad is dropped.

In an optional embodiment, the numeric keypad with a calculator function further includes a wireless transmission module, where the wireless transmission module may be a bluetooth transmission module or a 2.4G wireless transmission module, and is used to establish a wireless connection between the numeric keypad and a computer, and transmit an input result and a calculation result of the numeric keypad to the corresponding computer.

In an optional embodiment, the utility model relates to a take digit keyboard of calculator function can also be provided with two kinds of charging methods of wireless charging and Type-C interface.

The utility model provides a take digit pad of calculator function, through setting up a switching button 41a that is used for switching the digit pad and gets into the computational state or input state, integrated the function of calculator on the basis of digit pad, make the digit pad can freely switch between calculator and digit input keyboard, improve user's calculation and input convenience; the mechanical key core 411 improves the use hand feeling and the service life of the numeric keyboard.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A digital keyboard with calculator function is characterized by comprising a shell, a key assembly, a control circuit board and a power supply battery; the key assembly comprises a plurality of keys, and each key is formed by correspondingly connecting a key core and a keycap; the key core, the control circuit board and the power supply battery are all arranged in the shell, and the keycap is connected to the pressing end of the key core and is exposed out of the upper surface of the shell; the key assembly comprises a switching key, and the switching key is used for switching the numeric keyboard into a calculation state or an input state.

2. A calculator-enabled numeric keyboard according to claim 1, wherein the housing comprises an upper cover and a lower cover which together make up the housing.

3. A calculator-enabled numeric keyboard according to claim 2, wherein the upper cover and the lower cover are snap-connected to constitute the housing.

4. A numeric keyboard with calculator function according to claim 2, wherein the upper cover includes a cover body and a face cover, a first mounting through hole is opened in a middle portion of the cover body, and the face cover is provided to the first mounting through hole; the position of the surface cover, which is opposite to the key core, is correspondingly provided with a key through hole, and the keycap penetrates through the key through hole to be connected with the pressing end of the key core.

5. A numeric keyboard with calculator function according to claim 4, wherein a display screen is further provided on the upper surface of the upper cover, and the display screen is connected to the control circuit board.

6. A numeric keyboard with calculator function according to claim 5, wherein the cover is further provided with a second mounting through hole provided with a glass panel, and the glass panel is disposed facing the display screen.

7. A calculator-enabled numeric keyboard according to any one of claims 1 to 6, wherein the key core is a mechanical key core.

8. A calculator-enabled numeric keyboard according to any one of claims 1-6, wherein the power supply battery is a lithium battery.

9. A calculator-enabled numeric keyboard according to claim 2, further comprising a foot pad adhesively secured to the underside of the lower cover.

10. A calculator-enabled numeric keyboard according to claim 9, wherein the foot pads are resilient foot pads.

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