CN114974977A

CN114974977A - Keyboard with a keyboard body

Info

Publication number: CN114974977A
Application number: CN202210680208.7A
Authority: CN
Inventors: 徐孝海; 陈刚
Original assignee: Dongguan Jizhi Electronic Technology Co ltd
Current assignee: Dongguan Jizhi Electronic Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-08-30

Abstract

The utility model belongs to the technical field of computer accessories, a keyboard is provided, including the bottom, flexible sealed lid and button, flexible sealed lid is established on the bottom, and form sealed chamber with the bottom cooperation, the flexible sealed assembly opening of covering the sealed chamber of intercommunication, the button includes key cap and key shaft, the key cap is located outside the flexible sealed lid, and correspond the setting with the assembly opening, sealed intracavity is located to the key shaft, the part of key shaft extends to outside the flexible sealed lid through the assembly opening, and be connected with the key cap, key shaft and assembly opening sealing connection. When the user actuates the key axle through pressing down the key cap, the flexible sealed lid also moves along with the key axle with key hub connection's surrounding part, the assembly opening sealing connection of key axle and flexible sealed lid, prevent effectively that external dust, liquid from getting into sealed chamber through the assembly opening, make the waterproof dustproof performance of keyboard better, be favorable to guaranteeing quality, life and the security of keyboard, the key cap is located outside the flexible sealed lid, is favorable to guaranteeing that the user presses down the feeling of key cap.

Description

Keyboard with a keyboard body

Technical Field

The application belongs to the technical field of computer accessories, and particularly relates to a keyboard.

Background

The computer is commonly called computer, is a modern electronic computing machine for high-speed computation, can perform numerical computation and logic computation, has a memory function, and is modern intelligent electronic equipment capable of automatically processing mass data at high speed according to program operation. In work, study and family life, the computer can be used for word processing, drawing, image processing, video playing, data inquiry, shopping, chatting and the like, thereby providing great convenience for the life of people and becoming an indispensable part of the life of people gradually.

When the computer is used, besides the host and the screen, the keyboard is also an important part, the keyboard is a command and data input device for operating the computer, and also refers to a group of function keys arranged to operate a machine or equipment through a system, and English letters, Chinese characters, numbers, punctuations and the like can be input into the computer through the keyboard, so that commands, data input and the like can be sent to the computer. There are also keyboards with various shortcut keys. Through years of research and development and improvement, the structure of the keyboard is continuously improved, for example, the keyboard has smaller and smaller knocking sound, thinner and thinner thickness, better and better hand feeling and more fashionable appearance, and is more favored by consumers.

The traditional computer keyboard is poor in waterproof and dustproof performance, dust easily enters the interior of the keyboard in the using process, the problem of poor contact and the like is caused, or liquid is poured onto the keyboard carelessly, the liquid flows into the interior of the keyboard, the keyboard is caused to be out of order, the use is influenced, and safety and privacy are possibly caused.

Disclosure of Invention

An object of the embodiment of the application is to provide a keyboard to solve the technical problem that the keyboard waterproof performance is poor in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a keyboard comprising:

a bottom cover;

the flexible sealing cover is covered on the bottom cover and matched with the bottom cover to form a sealing cavity; the flexible sealing cover is provided with an assembling port communicated with the sealing cavity; and

the key comprises a keycap and a key shaft; the key cap is arranged outside the flexible sealing cover, the key shaft is arranged in the sealing cavity, and one end of the key shaft penetrates through the assembling hole to extend out of the flexible sealing cover and is connected with the key cap; the key shaft is connected with the assembly opening in a sealing mode.

Optionally, the flexible sealing cover extends outwards to form a boss at a position corresponding to the keycap, and the assembly opening is opened on the boss.

Optionally, the orthographic projection of the boss overlaps the orthographic projection of the keycap on the same plane.

Optionally, the keycap is detachably connected with the key shaft.

Optionally, a key core is arranged on a side portion, facing the flexible sealing cover, of the keycap, the key shaft comprises a shaft body and a support connected with the shaft body, the shaft body is arranged in the sealing cavity, and one end of the support penetrates through the assembling port to extend out of the flexible sealing cover and is connected with the key core in an inserting mode.

Optionally, an end of the key core remote from the key cap is pressed against an outer surface of the flexible sealing cover.

Optionally, the support includes closing plate and spliced pole, the closing plate with the assembly mouth corresponds the setting to with the sealed internal surface of lid is sealed to be laminated, the spliced pole is connected the closing plate, and with the key core is pegged graft.

Optionally, the bracket further comprises a fastening plate arranged corresponding to the assembling port, and the fastening plate is connected between the sealing plate and the connecting column and is in sealing fit with the outer surface of the flexible sealing cover.

Optionally, the flexible sealing cover is a silicone sheet.

Optionally, the keycap includes a pressing portion and a covering edge, the covering edge extends from the circumferential edge of the pressing portion toward the side where the flexible sealing cover is located, and the covering edge gradually expands from the pressing portion toward the side where the flexible sealing cover is located, so that the keycap is in a basin shape.

The keyboard provided by the application has the beneficial effects that: compared with the prior art, this application keyboard is through seting up the assembly opening in the sealed chamber of intercommunication on flexible sealed lid, and the part of key axle extends outside flexible sealed lid through the assembly opening to be connected with the key cap, key axle and assembly opening sealing connection, make key axle and flexible sealed lid be connected as an organic wholely, thereby the user actuates the key axle through pressing the key cap, and flexible sealed lid also moves along with the key axle with the part around the key axle is connected. Through the assembly opening sealing connection of key shaft and flexible sealed lid, prevent effectively that external dust, liquid from getting into sealed chamber through the assembly opening, make the waterproof dustproof performance of keyboard better, be favorable to guaranteeing quality, life and the security of keyboard. Outside locating flexible sealed lid through with the key cap, be favorable to guaranteeing the feel that the user pressed the key cap, the user operation of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic diagram of a partially exploded structure of a keyboard according to an embodiment of the present application;

FIG. 2 is a schematic vertical sectional view of the keyboard shown in FIG. 1;

FIG. 3 is an exploded view of the keyboard shown in FIG. 1;

FIG. 4 is a schematic structural diagram of a key cap of the keyboard shown in FIG. 1;

FIG. 5 is an exploded view of a key shaft of the keyboard shown in FIG. 1;

FIG. 6 is a schematic diagram of a partially exploded keyboard according to another embodiment of the present application;

FIG. 7 is a schematic view of a vertical cross-section of the keyboard shown in FIG. 6;

fig. 8 is a schematic structural view of a key shaft of the key shown in fig. 6.

Wherein, in the figures, the respective reference numerals:

10. a bottom cover; 11. a base plate; 12. a frame; 20. a flexible sealing cover; 21. an assembly port; 22. a boss; 23. a panel; 24. a fixing frame; 25. a skirt edge; 30. sealing the cavity; 40. pressing a key; 41. a keycap; 410. a pressing part; 411. covering edges; 412. a key core; 413. a keyway; 42. a key shaft; 43. a shaft body; 430. a transfer column; 431. a guide post; 432. an extension portion; 44. a support; 440. a sealing plate; 441. connecting columns; 442. a positioning column; 443. positioning a groove; 444. a first seal ring; 445. a second seal ring; 446. a fastening plate; 447. a protrusion; 448. a card slot; 449. a bump; 50. a control panel; 51. a through hole; 60. assembling a middle plate; 70. pressing the frame; 80. and (5) clamping the frame.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5 together, a keyboard according to an embodiment of the present application will now be described. The keyboard comprises a bottom cover 10, a flexible sealing cover 20 and keys 40. The flexible sealing cover 20 is hermetically sealed on the bottom cover 10 and forms a sealing cavity 30 in cooperation with the bottom cover 10. The flexible sealing cover 20 is provided with an assembling opening 21 communicated with the sealing cavity 30. The key 40 includes a key cap 41 and a key shaft 42. The key cap 41 is disposed outside the flexible sealing cover 20 and corresponds to the assembly opening 21. The key shaft 42 is arranged in the sealing cavity 30, and one end of the key shaft 42 extends out of the flexible sealing cover 20 through the assembling opening 21 and is connected with the key cap 41. The key shaft 42 is sealingly connected to the fitting port 21.

The keyboard provided by the application has the beneficial effects that: compared with the prior art, the assembly opening 21 communicated with the sealing cavity 30 is formed in the flexible sealing cover 20, a part of the key shaft 42 extends out of the flexible sealing cover 20 through the assembly opening 21 and is connected with the key cap 41, the key shaft 42 is connected with the assembly opening 21 in a sealing manner, so that the key shaft 42 and the flexible sealing cover 20 are connected into a whole, and when a user presses the key cap 41 to actuate the key shaft 42, the surrounding part of the flexible sealing cover 20 connected with the key shaft 42 also moves along with the key shaft 42. Through the sealing connection of the key shaft 42 and the assembly opening 21 of the flexible sealing cover 20, external dust and liquid are effectively prevented from entering the sealing cavity 30 through the assembly opening 21, so that the keyboard has good waterproof and dustproof performance, and the quality, the service life and the safety of the keyboard are favorably ensured. The keycap 41 is arranged outside the flexible sealing cover 20, so that the feeling of pressing the keycap 41 by a user is guaranteed, and the operation by the user is facilitated.

It should be noted that the bottom cover 10 is a rigid structure, so that the bottom cover 10 can provide sufficient supporting force for each component, and the stability of the overall structure of the keyboard is effectively improved.

In the present embodiment, the bottom cover 10 has a substantially rectangular shape,

referring to fig. 2 and 3, in particular, the bottom cover 10 includes a bottom plate 11 and a rim 12, the rim 12 extends from a peripheral edge of the bottom plate 11 to a side of the flexible sealing cover 20, and the rim 12 is disposed around a periphery of the bottom plate 11 and is connected to the flexible sealing cover 20 in a sealing manner.

Further, the frame 12 and the bottom plate 11 are integrally formed, so that the sealing performance of the bottom cover 10 is effectively ensured.

In some embodiments, the bottom plate 11 is a rectangular plate and the frame 12 is a rectangular frame. Of course, in other embodiments, the bottom cover 10 may be designed in other shapes according to requirements, for example, the cross section of the bottom cover 10 is circular, that is, the bottom plate 11 is a circular plate, and the frame 12 is a circular frame.

Referring to fig. 2 and 3, the keyboard further includes a pressing frame 70 and a clamping frame 80, the pressing frame 70 is connected with the edge of the bottom cover 10 in a sealing manner, the clamping frame 80 is disposed in the sealing cavity 30 and correspondingly connected with the pressing frame 70, and the edge of the flexible sealing cover 20 is clamped between the pressing frame 70 and the clamping frame 80. Specifically, the pressing frame 70, the clamping frame 80 and the edge of the flexible sealing cover 20 are connected together by screws.

Referring to fig. 1 and 2, the flexible sealing cover 20 is a silicone sheet, and it can be understood that the flexible sealing cover 20 is made of silicone and is a sheet, so that the flexible sealing cover 20 has better flexibility, elasticity and fluidity, and the fluidity of the flexible sealing cover 20 moving along with the key 40 is effectively ensured, so that when a user presses the key 40, the key 40 is prevented from being subjected to the resistance of the flexible sealing cover 20, the key 40 can be easily triggered, and the use experience of the user is improved. In addition, the flexible sealing cover 20 is made of silicon rubber, so that the sealing performance between the flexible sealing cover 20 and the bottom cover 10, the key 40, the pressing frame 70 and the clamping frame 80 is effectively ensured.

In some embodiments, the flexible sealing cover 20 extends outward to form a boss 22 at a position corresponding to the key cap 41, specifically, the boss 22 is a portion of the panel 23 corresponding to the key cap 41, and the assembly opening 21 is opened on the boss 22. Through outwards protruding the flexible sealed lid 20 and the part that the key cap 41 corresponds for the key cap 41 is in higher position, is favorable to further improving the feeling that the user pressed key cap 41, makes user's use experience feel better.

It should be noted that the shape of the outer surface of the boss 22 where the fitting opening 21 is opened is not limited. The outer surface of the boss 22, on which the fitting opening 21 is opened, is a plane. Or, optionally, the outer surface of the boss 22, on which the fitting opening 21 is opened, is recessed inward. Or, the outer surface of the boss 22 with the assembling opening 21 protrudes outwards.

In this embodiment, the number of the keys 40 is multiple, the multiple keys 40 are distributed according to a preset position interval, and different keys 40 are respectively used for triggering different functions. The number of the fitting openings of the flexible sealing plate 440 is equal to the number of the buttons 40, and they are arranged in one-to-one correspondence.

The key cap 41 overlaps the orthographic projection of the boss 22 on the same plane, specifically, the orthographic projection of the boss 22 falls within the orthographic projection range of the key cap 41, that is, the key cap 41 is completely covered above the boss 22. Protect boss 22 through key cap 41, make on external dust is difficult for dropping to boss 22 or liquid is difficult for flowing to boss 22, further prevent external dust, liquid and get into sealed chamber 30 through assembly mouth 21, be favorable to further promoting the waterproof dustproof performance of keyboard.

Referring to fig. 2 and 4, the key cap 41 is in a basin shape, specifically, the key cap 41 includes a pressing portion 410 and a covering edge 411, the covering edge 411 extends from a circumferential edge of the pressing portion 410 to a side of the flexible sealing cover 20, the pressing portion 410 is disposed corresponding to the assembling opening 21 and connected to the key shaft 42, that is, the pressing portion 410 is disposed corresponding to the boss 22.

Further, the pressing portion 410 is an arc-shaped structure slightly recessed toward the flexible sealing cover 20, which conforms to the principle of human engineering and is beneficial to further improving the hand feeling of the user touching the pressing portion 410 with the finger. The cover edge 411 is arranged around the periphery of the pressing portion 410 and gradually expands from the pressing portion 410 to the side of the flexible sealing cover 20, so that the keycap 41 is in a basin shape, and understandably, the cover edge 411 is obliquely arranged relative to the pressing portion 410, and the oblique cover edge 411 has a guiding function, so that dust or liquid on the cover edge 411 can be guided to the outside of the keyboard or the flexible sealing cover 20 between the bosses 22, and the dust or liquid can be further prevented from flowing to the bosses 22.

In some embodiments, the key cap 41 is removably coupled to the key shaft 42 to facilitate replacement of the key cap 41. It can be understood that, through can dismantling keycap 41 and key shaft 42 and be connected, when keycap 41 is damaged or the sign on keycap 41 is worn and torn and needs to be changed, or when dust and dirt are accumulated on keycap 41 and need to be cleaned, keycap 41 can be directly dismantled from key shaft 42, and keycap 41 is changed or keycap 41 is cleaned, which is favorable for improving the practicability of the keyboard. Of course, in other embodiments, the key cap 41 and the key shaft 42 may be fixedly connected, so as to effectively ensure the stability of the connection between the key cap 41 and the key shaft 42.

Referring to fig. 2, 4 and 5, specifically, a key core 412 is disposed on a side portion of the key cap 41 facing the flexible sealing cover 20, the key shaft 42 includes a shaft body 43 and a bracket 44 connected to the shaft body 43, the shaft body 43 is disposed in the sealing cavity 30, and one end of the bracket 44 passes through the assembling hole 21 and extends out of the flexible sealing cover 20 and is inserted into the key core 412.

Further, the bracket 44 includes a sealing plate 440 and a connecting post 441, the sealing plate 440 is disposed corresponding to the assembling opening 21 and is in sealing engagement with the inner surface of the flexible sealing cover 20, which is beneficial to ensuring the sealing performance between the bracket 44 and the assembling opening 21. The connection post 441 is connected to the sealing plate 440 and is inserted into the key cap 41.

In some embodiments, the key core 412 is provided with a key slot 413 into which the connecting column 441 can be inserted, and the connecting column 441 is in interference fit with the key slot 413 on the key core 412. Further, the key slot 413 is a cross slot, and the connecting post 441 is a cross shaft. The key core 412 and the connecting column 441 are matched and spliced with the cross shaft through the cross groove, so that the connection stability between the key core 412 and the connecting column 441 is effectively ensured.

When the key cap 41 needs to be detached from the key shaft 42, the key cap 41 is directly pulled upwards to separate the key groove 413 on the key core 412 from the connecting column 441, so that the key cap 41 is separated from the key shaft 42. When the key cap 41 is required to be mounted on the key shaft 42, the key groove 413 of the key core 412 is aligned with the connecting column 441, and the key cap 41 is pressed downward so that the connecting column 441 is inserted into the key groove 413 of the key core 412.

In other embodiments, the connecting column 441 has a key slot 413 for the key core 412 to be inserted, and the key core 412 is in interference fit with the key slot 413 on the connecting column 441. Further, the key groove 413 is a cross groove, and the key core 412 is a cross shaft.

Further, the sealing plate 440 is located in the sealing cavity 30, a first sealing ring 444 and a second sealing ring 445 are provided on a side surface of the sealing plate 440 facing the flexible sealing cover 20, the first sealing ring 444 surrounds the second sealing ring 445 and is spaced from the second sealing ring 445, and both the first sealing ring 444 and the second sealing ring 445 are in sealing contact with an inner surface of the flexible sealing cover 20, so as to ensure the sealing performance between the sealing plate 440 and the flexible sealing cover 20. Optionally, the sealing plate 440, the first sealing ring 444, and the second sealing ring 445 are integrally formed.

In some embodiments, an adhesive layer is disposed between the sealing plate 440 and the inner surface of the flexible sealing cover 20, and the sealing performance of the key shaft 42 to the assembly opening 21 is effectively ensured by disposing the adhesive layer between the sealing plate 440 and the inner surface of the flexible sealing cover 20. Optionally, the adhesive layer may be a double-sided adhesive tape.

The bracket 44 further includes a positioning post 442 connected to the sealing plate 440, the positioning post 442 is disposed on a side of the sealing plate 440 facing away from the flexible sealing plate 440. The shaft 43 is provided with an adapter 430, and the adapter 430 is inserted into the positioning post 442. In the present embodiment, the positioning posts 442 are integrally formed with the sealing plate 440.

Specifically, positioning column 442 is provided with a positioning groove 443 into which adapter column 430 can be inserted in a matching manner, and adapter column 430 is in interference fit with positioning groove 443 on positioning column 442. Further, the positioning slot 443 is a cross slot, and the adapter 430 is a cross shaft. Or, the positioning slot 443 for the positioning column 442 to be inserted into is disposed on the adapter column 430, and the positioning column 442 is in interference fit with the positioning slot 443 on the adapter column 430. Further, positioning slot 443 is a cross slot, and positioning post 442 is a cross shaft.

In some embodiments, the bracket 44 further includes a fastening plate 446 disposed corresponding to the mounting opening 21, and the fastening plate 446 is connected between the sealing plate 440 and the connecting column 441 and is in sealing engagement with the outer surface of the flexible sealing cover 20. It is understood that, by the fastening plate 446 cooperating with the sealing plate 440, the peripheral side portion of the flexible seal cover 20 corresponding to the fitting opening 21 is pressed tightly between the fastening plate 446 and the sealing plate 440, which is advantageous for further ensuring the sealing property between the bracket 44 and the fitting opening 21.

Specifically, the fastening plate 446 is located between the boss 22 and the key cap 41, the fastening plate 446 is tightly attached to the outer surface of the boss 22, a protruding portion 447 is provided on one side surface of the fastening plate 446 facing the assembling opening 21, and the protruding portion 447 penetrates through the assembling opening 21 and is connected to one side surface of the sealing plate 440 facing the assembling opening 21. Alternatively, the protruding portion 447 and the sealing plate 440 may be connected by ultrasonic welding, laser welding, glue bonding, or hot melt bonding.

Further, the protruding portion 447 is fitted with the fitting port 21.

Further, the protruding portion 447 is provided with a slot 448, the sealing plate 440 has a protrusion 449 on a side facing the mounting opening 21, and the protrusion 449 is correspondingly inserted into the slot 448 to ensure the stability of the connection between the fastening plate 446 and the sealing plate 440. The connecting post 441 is connected to a side of the fastening plate 446 facing away from the fitting opening 21. In the present embodiment, the connecting post 441 is integrally formed with the fastening plate 446.

The keyboard further comprises an elastic element, the elastic element is arranged in the sealed cavity 30 and located between the bottom of the shaft body 43 and the bottom plate 11, and the elastic element is used for elastically pushing the key 40 to reset when the key 40 is pressed, so that the key 40 can trigger a corresponding instruction when the key 40 is pressed next time. Alternatively, the elastic member may be a spring plate or a spring.

In this embodiment, the bottom of the shaft 43 is provided with a guiding post 431, and the elastic member is a coil spring and is sleeved on the guiding post 431. When a pressing force is applied to the button 40, the shaft body 43 is pushed to move downward, so that the elastic member is elastically compressed. When the pressing force on the key 40 is released, the elastic member elastically expands to push the shaft 43 to move upward, so that the key 40 is reset.

In some embodiments, the keyboard further includes a control board 50 disposed within the sealed cavity 30, the control board 50 being disposed on an inner side of the bottom cover 10, specifically, the control board 50 being disposed on an inner side of the bottom plate 11. The bottom of the key shaft 42 is disposed corresponding to a predetermined area on the control board 50, so that when the key 40 is pressed, the key shaft 42 contacts the control board 50 to trigger a predetermined command on the control board 50, and the control board 50 is provided with a through hole 51 for the guide post 431 to movably penetrate. Further, the control board 50 is a PCB or PCBA.

The keyboard further comprises an assembly middle plate 60 disposed within the seal cavity 30, the assembly middle plate 60 being located between the control panel 50 and the flexible seal cover 20.

The assembly middle plate 60 is provided with a limiting opening 61 for the key shaft 42 to movably penetrate through, and the limiting opening 61 is used for limiting and guiding the key shaft 42 when the key shaft 42 moves up and down, so that the key shaft 42 is prevented from deflecting, and the accuracy of the preset instruction on the control plate 50 triggered by the key shaft 42 is effectively guaranteed. And when the key shaft 42 moves to the preset position, the key shaft 42 is clamped on the side of the assembling middle plate 60 departing from the control plate 50, so that the downward movement stroke of the key shaft 42 is limited, and the key shaft 42 is prevented from excessively pressing the control plate 50 with force to cause abrasion to the control plate 50. Specifically, the shaft body 43 has an extending portion 432 on the peripheral side thereof, the extending portion 432 is located on the side of the assembling middle plate 60 away from the control plate 50, and when the push button 40 moves downward to the preset position, the extending portion 432 is engaged with the periphery of the limiting opening 61 away from the control plate 50.

Please refer to fig. 6 to 8 together, which illustrate a keyboard according to another embodiment of the present application. The keyboard comprises a bottom cover 10, a flexible sealing cover 20 and keys 40. The bottom cover 10 includes a bottom plate 11 and a frame 12. The flexible sealing cover 20 includes a panel 23 and a fixing frame 24 extending from a peripheral edge of the panel 23 toward the bottom cover 10. The fixing frame 24 is disposed around the periphery of the panel 23 and is hermetically coupled with the bottom cover 10. Further, the fixing frame 24 has an outwardly bent skirt 25 at an end thereof close to the panel 23, and the skirt 25 is in sealing engagement with the rim 12, so that the flexible sealing cover 20 and the bottom cover 10 cooperate to form the sealing cavity 30. Optionally, the skirt 25 is bonded to the frame 12 by an adhesive, which is beneficial to ensure the stability and the sealing performance of the connection between the flexible sealing cover 20 and the bottom cover 10.

It should be noted that, in other embodiments, the fixing frame 24 may be coated outside the frame 12, that is, the inner surface of the fixing frame 24 is in sealing contact with the outer surface of the frame 12, which is more beneficial to ensure the sealing performance between the sealing cover and the bottom cover 10.

The key 40 includes a key cap 41 and a key shaft 42, the key shaft 42 includes a shaft body 43 and a bracket 44 connected to the shaft body 43, the shaft body 43 is disposed in the sealing cavity 30, and one end of the bracket 44 passes through the assembling opening 21 and extends out of the flexible sealing cover 20, and is inserted into the key core 412 of the key cap 41. When the key core 412 is plugged together with the support 44, the end of the key core 412 remote from the key cap 41 is pressed against the outer surface of the flexible sealing cover 20. More specifically, one end of the key core 412 is connected to the pressing portion 410, and the other end of the key core 412 is pressed against the outer surface of the boss 22. The key core 412 is sealed by the flexible sealing cover 20, and the sealing performance of the assembly opening 21 is effectively further improved.

Referring to fig. 7 and 8, the bracket 44 includes a sealing plate 440 and a connecting post 441, the sealing plate 440 is disposed corresponding to the assembling opening 21 and is tightly attached to the inner surface of the flexible sealing cover 20. The connection post 441 is connected to the sealing plate 440 and is inserted into the key cap 41. Specifically, the sealing plate 440 is located in the sealed cavity 30, one end of the connecting column 441 is connected to a side surface of the sealing plate 440 facing the assembling opening 21, and the other end of the connecting column passes through the assembling opening 21 and extends out of the flexible sealing cover 20 and is plugged with the key cap 41.

When the connecting column 441 is a cross shaft, the assembling hole 21 of the flexible sealing cover 20 is a cross hole through which the connecting column 441 can pass.

In some embodiments, the bracket 44 further includes a positioning post 442 connected to the sealing plate 440, the positioning post 442 is disposed on a side of the sealing plate 440 away from the assembling opening 21, that is, the positioning post 442 and the connecting post 441 are disposed on two opposite sides of the sealing plate 440. The shaft 43 is provided with an adapter 430, and the adapter 430 is inserted into the positioning post 442.

In the present embodiment, the sealing plate 440, the connecting post 441 and the positioning post 442 are integrally formed.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A keyboard, comprising:

a bottom cover;

2. The keyboard of claim 1, wherein: the flexible sealing cover and the part corresponding to the keycap extend outwards to form a boss, and the assembling opening is formed in the boss.

3. The keyboard of claim 2, wherein: the orthographic projection of the boss is overlapped with the orthographic projection of the keycap on the same plane.

4. The keyboard of claim 1, wherein: the keycap is detachably connected with the key shaft.

5. The keyboard of claim 1, wherein: the key cap is provided with a key core towards the lateral part of the flexible sealing cover, the key shaft comprises a shaft body and a support connected with the shaft body, the shaft body is arranged in the sealing cavity, and one end of the support penetrates through the assembling hole to extend out of the flexible sealing cover and is connected with the key core in an inserting mode.

6. The keyboard of claim 5, wherein: one end of the key core, which is far away from the keycap, is tightly pressed on the outer surface of the flexible sealing cover.

7. The keyboard of claim 5, wherein: the support comprises a sealing plate and a connecting column, the sealing plate corresponds to the assembling port and is in sealing fit with the inner surface of the flexible sealing cover, and the connecting column is connected with the sealing plate and is in plug-in connection with the key core.

8. The keyboard of claim 7, wherein: the support is characterized by further comprising a fastening plate corresponding to the assembling opening, wherein the fastening plate is connected between the sealing plate and the connecting column and is in sealing fit with the outer surface of the flexible sealing cover.

9. The keyboard of claim 1, wherein: the flexible sealing cover is a silica gel sheet-shaped body.

10. The keyboard of claim 1, wherein: the keycap comprises a pressing portion and a cover edge, the cover edge extends towards the side where the flexible sealing cover is located from the circumferential edge of the pressing portion, and the cover edge gradually expands towards the side where the flexible sealing cover is located from the pressing portion so that the keycap is in a basin shape.