CN210864634U

CN210864634U - Keyboard with a keyboard body

Info

Publication number: CN210864634U
Application number: CN201922303761.5U
Authority: CN
Inventors: 李贵扬
Original assignee: Dongguan Fuling Competitive Electronic Co ltd
Current assignee: Dongguan Fuling Competitive Electronic Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-26
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a keyboard, which comprises a housin, the protection shield, circuit board and button subassembly, the inside of casing has the accommodation space, the bottom of casing is equipped with first drainage through hole, the protection shield sets up in the accommodation space and is connected with the casing, the protection shield is equipped with a plurality of second drainage through hole, the circuit board sets up in the lower surface of protection shield, second drainage through hole is located the outside of circuit board, be equipped with drainage space between the bottom of circuit board and casing, drainage space respectively with first drainage through hole, second drainage through hole intercommunication, button subassembly runs through the upper portion of casing and protection shield and electric connection on the circuit board, the gap has between button subassembly and the casing, gap and second drainage through hole intercommunication. Liquid drips to the upper surface of protection shield through this gap, drips to the bottom of casing through the drainage space from the second drain hole of protection shield again on, discharges through the first drain through-hole of casing at last, can in time be with getting into the ponding of keyboard or other liquid discharges.

Description

Keyboard with a keyboard body

Technical Field

The utility model relates to an input device technical field especially relates to a keyboard.

Background

The keyboard is a kind of instruction and data input device for operating equipment, and English letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. The existing keyboard generally does not have a waterproof function, if people carelessly scatter or pour liquids such as beverages, tea, soup and the like on the surface of the keyboard in the operation and use process, the liquids can dip into the circuit board along the gap between the keys and the shell, the normal operation of the keyboard can be influenced slightly, the keyboard can be further short-circuited when being connected into a circuit, the keyboard is damaged, and more economic loss can be caused even when the keyboard is more serious.

Therefore, a keyboard with a simple structure and a drainage function is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, keyboard that has the drainage function.

In order to achieve the above purpose, the utility model provides a keyboard, which comprises a shell, a protective board, a circuit board and a key assembly, the interior of the shell is provided with an accommodating space, the bottom of the shell is provided with a first drainage through hole, the protective plate is arranged in the accommodating space and connected with the shell, the protective plate is provided with a plurality of second drainage through holes, the circuit board is arranged on the lower surface of the protection plate, the second water drainage through hole is positioned on the outer side of the circuit board, a drainage space is arranged between the circuit board and the bottom of the shell, the key assembly penetrates through the upper part of the shell and the protection board and is electrically connected to the circuit board, a gap is formed between the key assembly and the shell, and the first drainage through hole, the drainage space, the second drainage through hole and the gap are communicated with each other to form a drainage channel.

Preferably, the protection plate includes a connection portion, two opposite sides of the connection portion are respectively bent and extended to form bent portions, the circuit board is connected to the lower surface of the connection portion and located between the two bent portions, and the second drainage through hole is disposed in the bent portions.

Preferably, the bottom of the circuit board is provided with supporting legs, and the supporting legs are connected with the shell.

Preferably, the supporting legs are connected with the bottom of the shell in a clamping manner.

Preferably, the bottom of the housing is pivotally connected to a supporting frame.

Preferably, the housing includes an upper shell and a bottom shell disposed below the upper shell, the accommodating space is surrounded by the upper shell and the bottom shell, and the first drainage through hole is disposed at the bottom of the bottom shell.

Preferably, the protection board is provided with a key hole, and the key assembly is arranged in the key hole in a penetrating manner.

Compared with the prior art, the keyboard of the utility model is provided with a shell and a protective plate, the shell is provided with a first drainage through hole, the protective plate is provided with a second drainage through hole, the first drainage through hole, a drainage space, the second drainage through hole and a gap are mutually communicated and form a drainage channel, when liquid spills on the upper surface of the keyboard and permeates into the keyboard from the gap between the key assembly and the shell, the liquid can drip to the upper surface of the protective plate through the gap, then drip to the bottom of the shell from the second drainage through hole of the protective plate through the drainage space, finally be discharged through the first drainage through hole of the shell, as the circuit board is arranged on the lower surface of the protective plate, and the second drainage through hole is positioned at the outer side of the circuit board, a drainage space is arranged between the circuit board and the bottom of the shell, thereby ensuring that the liquid passing through the second drainage through hole can not contact with the circuit board, and avoiding the occurrence of short circuit, guarantee the normal function of keyboard to ponding or other liquid discharge that can in time get into the keyboard prevent that the keyboard inner line from weing and being corroded, thereby prolong the life of keyboard, consequently, the utility model discloses a keyboard has the drainage function, and simple structure, low in production cost.

Drawings

Fig. 1 is a schematic perspective view of the keyboard of the present invention.

Fig. 2 is a schematic perspective view of another angle of the keyboard of the present invention.

Fig. 3 is a schematic structural diagram of the keyboard of the present invention with the upper case removed.

Fig. 4 is a schematic structural diagram of the keyboard of the present invention with the casing removed.

Fig. 5 is a sectional view taken along a-a in fig. 1.

Fig. 6 is a schematic perspective view of a protection plate of the keyboard of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 5, the keyboard 100 of the present invention includes a casing 1, a protection board 2, a circuit board 3 and a key assembly 4, wherein the casing 1 has an accommodating space 5 therein, and the bottom of the casing 1 is provided with a first drainage through hole 121; the protection plate 2 is arranged in the accommodating space 5 and connected with the shell 1, the protection plate 2 is provided with a plurality of second drainage through holes 21, the circuit board 3 is arranged on the lower surface of the protection plate 2, the protection plate 2 can shield the circuit board 3 from liquid permeating from the upper part, the second drainage through holes 21 are positioned on the outer side of the circuit board 3 to prevent the liquid flowing into the second drainage through holes 21 from contacting with the circuit board 3, a drainage space 6 is arranged between the circuit board 3 and the bottom of the shell 1 to prevent the liquid flowing to the bottom of the shell 1 from contacting with the circuit, and the circuit board 3 is further protected; the key assembly 4 penetrates through the upper part of the casing 1 and the protection board 2 and is electrically connected to the circuit board 3, a gap is formed between the key assembly 4 and the casing 1, and the first drainage through hole 121, the drainage space 6, the second drainage through hole 21 and the gap are communicated to form a drainage channel. When liquid spills on the upper surface of the keyboard 100 and permeates into the keyboard 100 from the gap between the key assembly 4 and the casing 1, the liquid drips through the gap onto the upper surface of the protection plate 2, then drips through the second drainage hole of the protection plate 2 onto the bottom of the casing 1 through the drainage space 6, and finally is discharged through the first drainage through hole 121 of the casing 1.

Referring to fig. 6, in the present embodiment, the protection plate 2 includes a connection portion 22, two opposite sides of the connection portion 22 are respectively bent and extended to form bending portions 23, the two bending portions 23 are located on the same side of the connection portion 22, the circuit board 3 is connected to a lower surface of the connection portion 22 and located between the two bending portions 23, and the second drainage through hole 21 is disposed on the bending portions 23. Be equipped with a plurality of key hole 24 on the protection shield 2, in key assembly 4 wears to locate key hole 24, specifically, key hole 24 sets up on connecting portion 22.

Referring to fig. 2 and 5, the bottom of the circuit board 3 is provided with a supporting leg 31, and the supporting leg 31 is connected to the housing 1. Specifically, the support leg 31 is engaged with the bottom of the housing 1.

Referring to fig. 1 to 3, in the present embodiment, the housing 1 includes an upper shell 11 and a bottom shell 12 disposed below the upper shell 11, the upper shell 11 and the bottom shell 12 enclose an accommodating space 5, and the first drainage through hole 121 is disposed at the bottom of the bottom shell 12. The protection plate 2 is supported on the bottom case 12. The bottom of the bottom case 12 is provided with a locking hole, and the supporting leg 31 of the circuit board 3 is locked in the locking hole. The drainage space 6 is formed between the circuit board 3 and the bottom case 12. The key assembly 4 penetrates through the upper case 11 and the protection board 2 and is electrically connected to the circuit board 3. A gap is formed between key assembly 4 and upper case 11 of casing 1. Specifically, the bottom of the casing 1 is pivotally connected to the supporting frame 122, that is, the supporting frame 122 is disposed at the bottom of the bottom casing 12, and the supporting frame 122 is opened by rotating, so that the keyboard 100 can be supported by the supporting frame 122, and the supporting frame 122 is closed by rotating, so that the height of the keyboard 100 can be reduced, and the requirements of different users can be met.

To sum up, the keyboard 100 of the present invention is provided with a casing 1 and a protection board 2, the casing 1 is provided with a first drainage through hole 121, the protection board 2 is provided with a second drainage through hole 21, the first drainage through hole 121, the drainage space 6, the second drainage through hole 21 and the gap communicate with each other and form a drainage channel, when liquid spills on the upper surface of the keyboard 100 and permeates into the keyboard 100 from the gap between the key assembly 4 and the casing 1, the liquid will drip to the upper surface of the protection board 2 through the gap, and then drip to the bottom of the casing 1 from the second drainage hole of the protection board 2 through the drainage space 6, finally discharged through the first drainage through hole 121 of the casing 1, because the circuit board 3 is arranged on the lower surface of the protection board 2, and the second drainage through hole 21 is located outside the circuit board 3, thereby ensuring that the liquid passing through the second drainage through hole 21 does not contact with the circuit board 3, so as to avoid the occurrence of short circuit, guarantee keyboard 100's normal operating to can in time be with getting into keyboard 100's ponding or other liquid discharge, prevent that keyboard 100 internal line from weing and corroded, thereby prolong keyboard 100's life, simultaneously, because be equipped with drainage space 6 between the bottom of circuit board 3 and casing 1, avoid flowing to the liquid of casing 1's bottom and circuit to take place the contact, further protection circuit board 3 guarantees keyboard 100's normal operating. Therefore, the keyboard 100 of the present invention has a drainage function, a simple structure and a low production cost.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a keyboard, its characterized in that, includes casing, protection shield, circuit board and button subassembly, the inside of casing has an accommodation space, the bottom of casing is equipped with first drainage through-hole, the protection shield set up in the accommodation space and with the casing is connected, the protection shield is equipped with a plurality of second drainage through-hole, the circuit board set up in the lower surface of protection shield, second drainage through-hole is located the outside of circuit board, the circuit board with be equipped with the drainage space between the bottom of casing, the button subassembly runs through the upper portion of casing and protection shield and electric connection are on the circuit board, the button subassembly with the gap has between the casing, first drainage through-hole the drainage space the second drainage through-hole reaches the gap four communicates each other and forms drainage channel.

2. The keyboard as claimed in claim 1, wherein the protection plate comprises a connecting portion, opposite sides of the connecting portion are respectively bent and extended to form bent portions, the circuit board is connected to a lower surface of the connecting portion and located between the two bent portions, and the second drainage through hole is disposed in the bent portions.

3. The keyboard of claim 1, wherein the bottom of the circuit board is provided with support legs, and the support legs are connected with the casing.

4. The keyboard of claim 3, wherein the support feet are snap-fit to the bottom of the housing.

5. The keyboard of claim 1, wherein the bottom of the housing is pivotally connected to an elevated frame.

6. The keyboard of claim 1, wherein the casing includes an upper casing and a bottom casing disposed below the upper casing, the accommodating space is defined by the upper casing and the bottom casing, and the first drainage through hole is disposed at a bottom of the bottom casing.

7. The keyboard as claimed in claim 1, wherein the protection plate is provided with key holes, and the key assembly is disposed through the key holes.