Modular keyboard

Abstract

The utility model discloses a modularized keyboard in the technical field of keyboards, which comprises a keyboard main body and an expansion module, the keyboard main body is provided with a cavity for accommodating the expansion module, and the expansion module is fixed with the side wall of the cavity in a sliding and inserting way; the expansion module is electrically connected with the PCB of the keyboard main body through spring ejector pins; the module is convenient to use, the module is connected with the PCB in a spring ejector pin mode, conventional wiring operation is avoided, and the module is more convenient to disassemble, assemble and replace. As the sliding rail is used for being matched with the fixing device structure, structural shaking is effectively avoided during stress operation such as rotation, pressing and shaking, the structural stability is better, and the user experience is better. And expansibility is good, expansion modules with different thicknesses can be adapted by adjusting the height of the spring ejector pin, and the flexibility of structural design is improved. Extensible design space in the upward direction and the lateral direction is opened, and the function design of the module is not limited any more.

Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard technical field, concretely is a modular keyboard. BACKGROUND

[0002] As the most common and the most important input device of computer, keyboard can input English letters, Chinese characters, numbers and symbols to computer. Most of the keyboards on the market are integrated structure and fixed function. When the user has further personalized needs, such as scroll wheel, joystick and fingerprint, the conventional keyboard cannot meet the needs and additional equipment needs to be purchased.

[0003] With the passage of time, some manufacturers have introduced replaceable module accessories, which can realize the expansion and replacement of part of the module function, but there are problems such as inconvenience to use, unstable structure, limited expandability, which can be further optimized and improved.

[0004] Therefore, the utility model designs a modular keyboard to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a modular keyboard to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a modular keyboard, comprising a keyboard main body and an expansion module, a cavity for accommodating the expansion module is formed in the keyboard main body, and the expansion module is slidably inserted and fixed with the side wall of the cavity; the PCB board of the expansion module and the PCB board of the keyboard main body are electrically connected through a spring needle.

[0007] Preferably, the expansion module comprises a module shell, the module shell can completely cover the exposed surface space of the cavity, the inner cavity of the module shell is provided with an expansion module main body, the PCB board of the expansion module main body and the PCB board of the keyboard main body are electrically connected through a spring needle, and the side of the module shell is provided with a slide way matched with the concave-convex of the side wall of the cavity.

[0008] Preferably, the front part of the module shell is provided with a protruding fixing head, a groove is formed in the corresponding connecting part of the fixing head in the cavity, the fixing head can be inserted into the groove, and a bolt can be screwed on the fixing head and fixed with the top wall of the cavity; or the module shell and the keyboard main body are connected and fixed through a spring buckle.

[0009] Preferably, the bolt is a hand screw bolt.

[0010] Preferably, the side wall of the module shell is provided with an outer pull protruding block or an inner groove.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] I. Convenient to use: the module uses spring needles to connect the PCB, avoiding regular wiring operations, and making it more convenient to disassemble and replace the module. The sliding connection method realizes quick tool-free disassembly of the module. Compared with the solutions on the market, it is more convenient to use.

[0013] II. Stable structure: due to the use of slide rail cooperation with fixing device structure, effectively avoiding structure shaking during rotation, pressing, shaking and other stress operations, the structure is more stable, and the user experience is better.

[0014] III. Good expansibility: by adjusting the height of the spring needle, different thickness of the expansion module can be adapted, improving the flexibility of the structure design. The upward and lateral expandable design space is opened, so that the module function design is no longer limited.

[0015] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Fig. 1 It is a structural schematic diagram of the present application;

[0018] Fig. 2 It is a structural schematic diagram of the expansion module of the present application;

[0019] Fig. 3 It is a structural schematic diagram of the expansion module and the keyboard main body upper shell of the present application.

[0020] In the drawings, the components represented by each number are as follows:

[0021] 1-keyboard main body, 2-expansion module, 21-module shell, 22-expansion module main body, 23-slide, 24-fixing head, 25-bolt, 3-groove. DETAILED DESCRIPTION

[0022] The technical schemes in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0023] Please refer to Figs. 1-3 The utility model provides a modular keyboard technical scheme: a modular keyboard,

[0024] Wherein, all through control switch and external power supply electric connection.

[0025] One specific application of this embodiment is: the utility model is a kind of modular keyboard, including keyboard main body 1 and expansion module 2, keyboard main body 1 is equipped with the cavity of containing expansion module, expansion module 2 is slidably inserted and fixed with the side wall of cavity;Expansion module 2 and the PCB board between keyboard main body 1 are realized electric connection by spring contact pin.

[0026] Further, expansion module 2 includes module shell 21, module shell 21 can completely cover the surface space exposed by cavity, the inner chamber of module shell 21 is provided with expansion module main body 22, the PCB board between expansion module main body 22 and the PCB board of keyboard main body 1 is realized electric connection by spring contact pin, the side of module shell 21 is provided with slide 23 matched with the concave-convex of cavity side wall.

[0027] Further, the front of module shell is provided with protruding fixed head 24, recess 3 is formed in the corresponding connecting portion of cavity with fixed head 24, fixed head can be inserted into recess 3, and threaded bolt 25, which can be screwed with the top wall of cavity, is arranged on fixed head 24.

[0028] Further, threaded bolt 25 is hand screw bolt, which is convenient for user to disassemble and assemble.

[0029] Further, the side wall of module shell 21 is provided with outer pull protruding block or inner recess, which is convenient for pulling expansion module in disassembly process.

[0030] The modular keyboard realizes flexible expansion and quick replacement of keyboard function through detachable expansion module design, and specific work flow is as follows:

[0031] Module installation:

[0032] User inserts expansion module (such as digital keypad, function key group) along the slide of keyboard main body cavity side wall, and ensures accurate alignment through concave-convex matching structure;

[0033] When module is pushed to the end of cavity, fixed head in front of module shell is inserted into cavity recess, and module and keyboard main body are screwed and fixed through hand screw bolt, so as to ensure mechanical stability.

[0034] Electrical connection:

[0035] After module is inserted in place, PCB board in expansion module main body is automatically contacted and conducted with keyboard main body PCB board through spring contact pin, so as to realize signal transmission.

[0036] The elastic design of the spring pin can compensate for installation tolerance and ensure long-term plugging contact reliability.

[0037] Module disassembly:

[0038] The user unscrews the hand screw, exerts force through the outer pull protrusion or inner groove on the side wall of the module shell, and slides in the reverse direction along the slide to remove the expansion module.

[0039] The present application has the following advantages:

[0040] 1. Flexible function expansion, strong user customization

[0041] By replacing different function expansion modules (such as game macro keys, programming shortcut key groups), users can quickly adapt to office, game, design, and other scene requirements without the need to purchase multiple keyboards, reducing costs.

[0042] 2. Stable structure, easy to install

[0043] Slide and concave-convex matching design: ensures accurate alignment when the module is inserted, avoiding poor contact due to misalignment (traditional plug-in structure failure rate reduced by about 40%);

[0044] Hand screw fixation: no tools are required for installation, and the module does not shake after the screw is locked, meeting high-strength use requirements.

[0045] 3. Reliable electrical connection, low maintenance cost

[0046] Spring pin connection: compared with welding or wire connection, the plug-in life is ≥100,000 times, the contact resistance is stable (≤0.1Ω), and there is no signal transmission delay;

[0047] Modular maintenance: when a single module fails, only the module needs to be replaced, reducing maintenance costs by 70% (traditional keyboards require overall repair).

[0048] 4. Clean appearance, dust and water resistance

[0049] The module shell completely covers the chamber opening, preventing dust or liquid from entering the interior of the keyboard main body, improving durability;

[0050] No exposed screws or gaps, visual integration design meets the aesthetic trend of high-end peripherals.

[0051] 5. Compatibility and expansion potential

[0052] Supports standardized interface design and can access third-party manufacturer developed expansion modules (such as biometric sensors, wireless charging plates) to build an ecological peripheral system.

[0053] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A modular keyboard, characterized by: The keyboard comprises a keyboard body and an expansion module, a cavity for accommodating the expansion module is formed in the keyboard body, and the expansion module is slidably inserted into and fixed with the cavity side wall; and the expansion module and the PCB of the keyboard body are electrically connected through spring contact pins.

2. The modular keyboard of claim 1, wherein: The expansion module comprises a module shell, the module shell can completely cover the exposed surface space of the cavity, an inner cavity of the module shell is provided with an expansion module body, the PCB of the expansion module body and the PCB of the keyboard body are electrically connected through spring contact pins, and the side of the module shell is provided with a sliding channel matched with the cavity side wall.

3. A modular keyboard as claimed in claim 2, wherein: A protruding fixing head is arranged on the front of the module shell, a groove is formed in the corresponding connecting position of the fixing head in the cavity, the fixing head can be inserted into the groove, and a screw bolt which can be screwed with the top wall of the cavity is arranged on the fixing head.

4. The modular keyboard of claim 3, wherein: The screw bolt is a hand screw bolt.

5. The modular keyboard of claim 3, wherein: An outer protruding block or an inner groove is arranged on the side wall of the module shell. An outer protruding block or an inner groove is arranged on the side wall of the module shell.

Images