CN219286261U - Key cap with elastic structure and shallow eave structure and keyboard - Google Patents

Abstract

The utility model discloses an elastic structure, a key cap with a shallow eave structure and a keyboard, which comprises an elastic structure and a plurality of mounting posts, wherein the elastic switch assembly comprises a bottom plate, an elastic body, conductive carbon oil and a positioning post, the elastic body is respectively arranged on the top surface of the bottom plate, the conductive carbon oil is arranged on the bottom plate below the elastic body, the positioning posts are respectively and fixedly arranged at four corners of the bottom surface of the bottom plate, the key cap with the shallow eave structure further comprises the key cap, the key cap comprises a surface layer and an inner liner layer which are used for contact, the surface layer and the inner liner layer are formed by injection molding, the bottom surface of the inner liner layer is integrally formed with a mounting post, cross grooves are formed in the mounting posts, the cross grooves are respectively inserted into cross pieces of a plurality of switch shafts, the aspheric key cap solves the problems of hand-shaped contact surfaces and visual feelings, the key cap is of an integrally formed structure, the key cap with the shallow eave structure is reduced in the whole height, the whole keyboard is thin and flat, and meanwhile, no mechanical friction noise is generated due to the fact that the mechanical transmission structure is arranged in the elastic switch assembly.

Description

Key cap with elastic structure and shallow eave structure and keyboard

Technical Field

The utility model relates to the technical field of keyboards, in particular to a key cap with an elastic structure and a shallow eave structure and a keyboard.

Background

Most of the existing keyboard structures are standard key caps, namely Fang Zhengti, and the contact surface is tight.

Through searching, in the prior art, chinese patent application number: CN202010541037.0, which discloses a keyboard, comprises a support structure, a key structure, a magnetic drive sensor and a lower magnetically permeable layer. The key structure is arranged on the supporting structure and comprises a lifting mechanism, a key cap arranged on the lifting mechanism and a magnet. The keycap is moved up and down relative to the support structure by a lifting mechanism. The magnet is arranged on the keycap or the lifting mechanism. The magnetic drive sensor is disposed in correspondence with the magnet such that the magnet approaches the magnetic drive sensor when the key cap is moved downward. The lower magnetic conductive layer comprises a main body part and a surrounding part extending upwards from the periphery of the main body part, the main body part is arranged below the lifting mechanism, the magnetic driving sensor and the magnet, and the surrounding part surrounds the magnetic driving sensor. The keyboard of the utility model has a magnetic conduction layer which can shield or inhibit the influence of the external magnetic field of the keyboard on the inside of the keyboard

However, the hands of the global users are not consistent and the sizes are also inconsistent, which leads to different demands of a wide consumer group, and noise during striking is also a concern of consumers.

Disclosure of Invention

The utility model aims to provide a key cap with an elastic structure and a shallow eave structure and a keyboard, so as to solve the problems of noise and applicability in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an elastic structure, includes two sets of elastic switch components, elastic switch component includes bottom plate, elastomer, electrically conductive carbon oil and reference column, the elastomer is installed respectively to the top surface of bottom plate, and the bottom plate that is located the elastomer below is equipped with electrically conductive carbon oil, four bight punishment fixed mounting in bottom surface of bottom plate have the reference column.

Preferably, the elastic body is provided with an annular part integrally formed inside, the annular part is made of conductive rubber, and the conductive rubber is in conductive connection with conductive carbon oil on the bottom plate.

Preferably, the surface of the elastomer is in a round cake structure.

The utility model provides a keyboard still includes the casing that is used for installing elastic construction, the casing includes keyboard plastic bottom and metal panel, the top surface and the metal panel of keyboard plastic bottom are installed mutually, the mounting hole has been seted up respectively to metal panel's top surface top both sides, two the elastomer of elastic switch subassembly is installed respectively in and metal panel's mounting hole.

Preferably, the upper mounting groove is respectively formed in two sides above the bottom surface of the keyboard plastic bottom cover, the anti-slip foot rest with the anti-slip foot rest is rotationally connected in the upper mounting groove, the lower mounting groove is respectively formed in two sides below the bottom surface of the keyboard plastic bottom cover, the anti-slip pads are respectively bonded in the lower mounting groove, the receiver mounting groove is further formed in the bottom surface of the keyboard plastic bottom cover, and the 2.4G receiver is mounted in the receiver mounting groove.

Preferably, a lithium battery and a PCB board are installed in an inner cavity formed by the keyboard plastic bottom cover and the metal panel, the lithium battery supplies power for the PCB board, a plurality of switch shafts are respectively installed and inserted on the top surface of the PCB board, a plurality of slots are respectively formed in the surface of the metal panel according to the positions of the switch shafts, and the switch shafts are in clamping connection with the slots.

The utility model provides a shallow eaves structure key cap, still includes the key cap, the key cap is the same with the number of a plurality of switch shafts, the key cap is including top layer and the inner liner that is used for the contact, the top layer forms with the inner liner is moulded plastics, the bottom surface integrated into one piece of inner liner has the erection column, the cross groove has been seted up to the inside of erection column, the cross groove is pegged graft respectively on the cross piece of a plurality of switch shafts.

Preferably, the surface layer is in an aspheric structure with a shallow eave, and the height of the surface layer is lower than 4.81mm.

Preferably, the surface of the surface layer is in a concave cambered surface structure.

Compared with the prior art, the utility model has the beneficial effects that:

the aspheric keycap solves the problems of hand-shaped contact surface and visual feeling, the keycap is of an integrated structure, the integral double-color double-shot structure of the keycap and characters can be formed by rapid automatic injection molding, each character is of an independent character-shaped and shallow-brimmed structure, the integral height of the keycap is reduced, and the integral keyboard is thin and flat.

The switch designed by the elastomer is almost not hit by human ear, and mechanical friction noise is not generated because the switch is not provided with a mechanical transmission structure.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 is a schematic diagram of a keyboard structure according to the present utility model;

FIG. 2 is a schematic diagram of an exploded keyboard structure according to the present utility model;

FIG. 3 is a schematic view of an elastic switch assembly according to the present utility model;

FIG. 4 is a schematic top view of the base plate of the present utility model;

FIG. 5 is a schematic cross-sectional view of the resilient switch assembly of the present utility model;

fig. 6 is a schematic diagram of the installation structure of the switch shaft, the PCB board and the metal panel of the present utility model;

FIG. 7 is a schematic diagram of a key cap structure according to the present utility model;

FIG. 8 is a schematic cross-sectional view of a key cap of the present utility model;

fig. 9 is a schematic bottom view of the plastic bottom cover of the keyboard according to the present utility model.

In the figure: 1. a keyboard plastic bottom cover; 2. a metal panel; 3. a key cap; 31. a surface layer; 32. a concave cambered surface; 33. an inner liner layer; 34. a mounting column; 35. a cross groove; 4. an elastic switch assembly; 41. a bottom plate; 42. an elastomer; 43. conductive carbon oil; 44. positioning columns; 7. a switching shaft; 8. a PCB board; 9. a lithium battery; 10. with anti-slip foot rests; 11. a slip-resistant pad; 12. a 2.4G receiver; 13. a receiver mounting groove; 14. a lower mounting groove; 15. and an upper mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 9, the present utility model provides an embodiment:

example 1

As shown in fig. 3 to 4, an elastic structure comprises two groups of elastic switch assemblies 4, the elastic switch assemblies 4 comprise a bottom plate 41, an elastic body 42, conductive carbon oil 43 and a positioning column 44, the elastic body 42 is respectively installed on the top surface of the bottom plate 41, the conductive carbon oil 43 is arranged on the bottom plate 41 below the elastic body 42, the positioning column 44 is fixedly installed at four corners of the bottom surface of the bottom plate 41, an annular part is integrally formed in the elastic body 42, the annular part is conductive rubber, the conductive rubber is in conductive connection with the conductive carbon oil 43 on the bottom plate 41, and the conductive rubber on the elastic body is in contact with the conductive carbon oil 43 on the bottom plate 41 to conduct electricity, so that command signals can be input, and due to the adoption of the material of the elastic body 42, when the elastic body 42 is pressed, noise can be reduced, mechanical friction noise can not be generated due to the fact that the mechanical transmission structure is not exist in the elastic body 42, and therefore the purpose of silencing can be achieved when the elastic body 42 is knocked.

Further, the surface of the elastic body 42 is in a round cake structure, and the elastic body adopting the round cake structure can be uniformly stressed in the pressing process, so that the triggering efficiency is improved.

Example 2

As shown in fig. 1-2 and fig. 6, a keyboard further comprises a housing for mounting an elastic structure, the housing comprises a keyboard plastic bottom cover 1 and a metal panel 2, the top surface of the keyboard plastic bottom cover 1 is mounted with the metal panel 2, mounting holes are respectively formed in two sides above the top surface of the metal panel 2, elastic bodies 42 of two elastic switch assemblies 4 are respectively mounted in the mounting holes of the metal panel 2, a carrier is provided for the elastic structure, and after the elastic bodies 42 are mounted on two sides above the top surface of the metal panel 2, a user can conveniently press the elastic bodies 42.

As shown in fig. 9, upper mounting grooves 15 are respectively formed on two sides above the bottom surface of the keyboard plastic bottom cover 1, the upper mounting grooves 15 are rotatably connected with a limited slip foot stand 10, the limited slip foot stand is rotated on the bottom surface of the keyboard plastic bottom cover 1 or is rotated into the upper mounting grooves 15 to change the pitching angle of the keyboard, lower mounting grooves 14 are respectively formed on two sides below the bottom surface of the keyboard plastic bottom cover 1 according to the use habit of a user, limited slip pads 11 are respectively bonded in the lower mounting grooves 14, friction force between the keyboard plastic bottom cover 1 and a desktop can be increased through the limited slip pads 11, so that after the keyboard plastic bottom cover is placed on the desktop, the position is easy to change, a receiver mounting groove 13 is formed on the bottom surface of the keyboard plastic bottom cover 1, a 2.4G receiver 12 is mounted in the inner part of the receiver mounting groove 13, and a wireless connection mode can be provided for the keyboard after the 2.4G receiver 12 is plugged into a USB interface on a computer.

The lithium battery 9 and the PCB 8 are arranged in an inner cavity formed by the keyboard plastic bottom cover 1 and the metal panel 2, the lithium battery 9 supplies power to the PCB 8, a plurality of switch shafts 7 are respectively arranged on the top surface of the PCB 8 in a plugging manner, grooves are respectively formed in the surface of the metal panel 2 according to the positions of the switch shafts 7, the switch shafts 7 are connected with the grooves in a clamping manner, and the input instructions corresponding to the triggering of a circuit on the PCB are triggered by the pressing of the switch shafts 7, so that the computer is controlled.

Example 3

As shown in fig. 7-8, a key cap with a shallow eave structure further comprises a key cap 3, the number of the key cap 3 and the plurality of switch shafts 7 is the same, the key cap 3 comprises a surface layer 31 and an inner liner 33 which are used for contact, the surface layer 31 and the inner liner 33 are formed by injection molding, a mounting column 34 is integrally formed on the bottom surface of the inner liner 33, a cross groove 35 is formed in the mounting column 34, the cross groove 35 is respectively inserted on cross pieces of the plurality of switch shafts 7, the surface layer 31 is of a shallow eave aspheric structure, the whole height of the key disc is reduced, the height of the surface layer 31 is lower than 4.81mm, by adopting the key cap structure, the hand-shaped contact surface and visual feeling are solved, the key cap is embodied on a keyboard with the minimum height, the whole key cap is thin, the key cap is suitable for different finger surfaces and has clear intervals, the key cap is of an integral forming structure, rapid automatic injection molding can be realized, the key cap is of a double-color double-shot structure, and each character is of an independent character.

As a technical optimization scheme of the key cap, the surface of the surface layer 31 is of a concave cambered surface 32 structure, so that fingers can be positioned at the center of the key cap through the structure of the concave cambered surface 32 in the process of knocking the key cap, false touch is further prevented, and input efficiency is improved.

The control mode of this application file is controlled through the circuit on the PCB board 8, and the control circuit of the circuit on the PCB board 8 can be realized through the simple programming of the person skilled in the art, belongs to the common sense in the art to this application file is mainly used for protecting mechanical device, so this application file does not explain control mode and circuit connection in detail again.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. An elastic structure comprising two groups of elastic switch assemblies (4), characterized in that: the elastic switch assembly (4) comprises a bottom plate (41), an elastic body (42), conductive carbon oil (43) and positioning columns (44), wherein the elastic body (42) is respectively installed on the top surface of the bottom plate (41), the conductive carbon oil (43) is arranged on the bottom plate (41) below the elastic body (42), and the positioning columns (44) are respectively and fixedly installed at four corners of the bottom surface of the bottom plate (41).

2. An elastic structure according to claim 1, characterized in that: the inside integrated into one piece of elastomer (42) has annular portion, annular portion is conductive rubber, conductive rubber is connected with electrically conductive carbon oil (43) on bottom plate (41) between.

3. An elastic structure according to claim 2, characterized in that: the surface of the elastic body (42) is in a round cake structure.

4. A keyboard comprising a resilient structure as claimed in any one of claims 1 to 3, further comprising a housing for mounting the resilient structure, wherein: the shell comprises a keyboard plastic bottom cover (1) and a metal panel (2), wherein the top surface of the keyboard plastic bottom cover (1) is installed with the metal panel (2), mounting holes are respectively formed in two sides above the top surface of the metal panel (2), and elastic bodies (42) of the elastic switch assemblies (4) are respectively installed in the mounting holes of the metal panel (2).

5. A keyboard as claimed in claim 4, wherein: the utility model discloses a keyboard plastic bottom, including keyboard plastic bottom (1), upper mounting groove (15) have been seted up respectively to the bottom surface top both sides of keyboard plastic bottom (1), the inside rotation of upper mounting groove (15) is connected with and takes limited slip foot rest (10), lower mounting groove (14) have been seted up respectively to the bottom surface below both sides of keyboard plastic bottom (1), the inside of lower mounting groove (14) has bonded limited slip pad (11) respectively, receiver mounting groove (13) have still been seted up to the bottom surface of keyboard plastic bottom (1), the internally mounted of receiver mounting groove (13) has 2.4G receiver (12).

6. A keyboard as claimed in claim 4, wherein: install lithium cell (9) and PCB board (8) in the inner chamber that keyboard plastic bottom (1) and metal panel (2) constitute, lithium cell (9) are PCB board (8) power supply, a plurality of switch shafts (7) are installed respectively to the top surface of PCB board (8), the notch has been seted up respectively according to the position of a plurality of switch shafts (7) on the surface of metal panel (2), a plurality of switch shafts (7) and notch joint.

7. A keycap of a shallow eave structure comprising the keyboard of any one of claims 4-6, further comprising a keycap (3), characterized in that: the key cap (3) is the same with the number of a plurality of switch shafts (7), the key cap (3) comprises a surface layer (31) and an inner liner (33) which are used for contact, the surface layer (31) and the inner liner (33) are formed by injection molding, a mounting column (34) is integrally formed on the bottom surface of the inner liner (33), a cross groove (35) is formed in the mounting column (34), and the cross groove (35) is respectively inserted on cross pieces of the switch shafts (7).

8. The key cap of claim 7, wherein: the surface layer (31) is of an aspheric structure with a shallow eave, and the height of the surface layer (31) is lower than 4.81mm.

9. The key cap of claim 8, wherein: the surface of the surface layer (31) is of a concave cambered surface (32) structure.

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