CN111463055B - Waterproof device for computer keyboard - Google Patents
Waterproof device for computer keyboard Download PDFInfo
- Publication number
- CN111463055B CN111463055B CN202010299420.XA CN202010299420A CN111463055B CN 111463055 B CN111463055 B CN 111463055B CN 202010299420 A CN202010299420 A CN 202010299420A CN 111463055 B CN111463055 B CN 111463055B
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- CN
- China
- Prior art keywords
- sleeve
- ejector rod
- shell
- elastic
- waterproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
- G06F3/0219—Special purpose keyboards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/03—Separate key housing
Abstract
The invention discloses a waterproof device for a computer keyboard in the technical field of computer auxiliary equipment, which comprises a shell and a bottom plate, wherein the bottom plate is arranged at an opening at the bottom of the shell, a circuit board is arranged at the top end of the bottom plate, contacts are distributed on the circuit board, elastic keys are correspondingly arranged on the shell above each contact, and pressure compensation mechanisms are arranged on the left side wall and the right side wall of the shell.
Description
Technical Field
The invention relates to the technical field of computer auxiliary equipment, in particular to a waterproof device for a computer keyboard.
Background
The computer keyboard is a channel for inputting control information of character information into a computer, is evolved from a keyboard of an English typewriter, is a part which is originally appeared on the computer, is also called a teletypewriter, is a command and data input device for operating equipment, and is also a group of function keys which are arranged to operate a machine or equipment through a system.
The computer keyboard on the existing market is poor in waterproofness, a user carelessly sprinkles water on the keyboard in the using process, the water enters the keyboard to damage the keyboard and is not easy to clean, and the service life of the keyboard is shortened.
If patent number C discloses a calculate watertight fittings for key dish belongs to and calculates key dish technical field, the top of circuit board is provided with the guide plate, the internally mounted of fixed column has the fixed block, the fly leaf passes through slider and spacing groove swing joint, the both sides of fixed column all are provided with the drainage hole, fixed column and guide plate contact position department are provided with first sealing washer, fixed column and key dish main part contact position department are provided with the second sealing washer, one side of key dish main part is provided with the apopore. The utility model discloses a first sealing washer and the second sealing washer that set up have improved the waterproof nature of keyboard, when water gets into the fixed column inside, the fly leaf carries out the first layer separation for on water slowly flows into the fixed block, then on flowing the guide plate through the drainage hole, through the lopsidedness with the keyboard main part to the apopore, make water flow from the apopore, avoid water to get into the circuit board and lead to the keyboard to damage.
Although the device has the waterproof effect, in the device, liquid can enter the inside of the keyboard, although the liquid does not contact with the circuit board, the inside of the keyboard can be polluted (the liquid can be soup, milk, tea leaves and the like, the liquid is remained in the keyboard and is not sanitary, and peculiar smell is generated).
Based on this, the invention designs a waterproof device for a computer keyboard to solve the problems.
Disclosure of Invention
The present invention is directed to a waterproof device for a computer keyboard, which solves the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the waterproof device for the computer keyboard comprises a shell and a bottom plate, wherein the bottom plate is installed at an opening in the bottom of the shell, a circuit board is arranged at the top end of the bottom plate, contacts are distributed on the circuit board, elastic keys are correspondingly arranged on the shell above each contact, and pressure compensation mechanisms are arranged on the left side wall and the right side wall of the shell.
Preferably, the inner side of the shell is provided with an annular convex strip near the opening, thread grooves are uniformly distributed at the bottom of the annular convex strip, a sealing gasket strip is arranged at the bottom of the annular convex strip, and the bottom plate is connected with the annular convex strip through screws.
Preferably, the elastic key comprises a key cap, an elastic ejector rod piece and a waterproof sleeve, the elastic ejector rod piece is arranged on the shell, the key cap is connected with the top end of the ejector rod of the elastic ejector rod piece in an inserting mode, the waterproof sleeve is fixedly connected to the top end of the shell, and the ejector rod of the elastic ejector rod piece movably penetrates through the waterproof sleeve.
Preferably, the keycap comprises a cap body, the bottom of the cap body is a funnel body, the top wall of the inner cavity of the cap body is arranged on the clamping sleeve head, and the inner wall of the funnel body at the bottom of the cap body is provided with a ring-shaped slot.
Preferably, the elastic ejector rod piece comprises a sleeve, the sleeve is fixedly connected to the top wall of the inner cavity of the shell, an ejector rod is arranged in the middle of the sleeve, an inserting convex head is arranged at the top end of the ejector rod and is matched and inserted with the cutting sleeve head, a limiting disc is arranged at the lower portion of the ejector rod and is in sliding butt joint with the inner wall of the sleeve, a reset spring is arranged between the bottom of the limiting disc and the sleeve, and a contact block is arranged at the bottom end of the ejector rod.
Preferably, the waterproof sleeve comprises a sleeve, a cover body is arranged at the top of the outer wall of the sleeve, and the position of the cover body corresponds to the annular slot.
Preferably, the pressure compensation mechanism comprises a groove, an airflow channel is arranged on the bottom wall of the groove, the bottom of the airflow channel is downwards inclined to penetrate through the side wall of the shell, and an elastic membrane is arranged on the groove opening in a sealing mode.
Compared with the prior art, the invention has the beneficial effects that: the elastic key has high sealing and water blocking capacity, can well play a role in water prevention, blocks liquid on the surface of the shell, and is convenient to clean the liquid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of the elastic button of the present invention;
FIG. 4 is a schematic view of a key cap according to the present invention;
FIG. 5 is a schematic view of the elastic pin member of the present invention;
FIG. 6 is a schematic view of a waterproof jacket according to the present invention;
FIG. 7 is a schematic view of a pressure compensation mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a watertight fittings that computer keyboard used, includes casing 1 and bottom plate 2, and bottom plate 2 is installed in 1 bottom opening of casing, and 2 tops of bottom plate are equipped with circuit board 3, and it has contact 4 to distribute on the circuit board 3, corresponds on the casing 1 of every contact 4 top to be provided with elasticity button 5, is equipped with pressure compensation mechanism 6 on the casing 1 left and right side wall.
Further, an annular protruding strip 11 is arranged on the inner side of the shell 1 close to the opening, thread grooves 12 are uniformly distributed at the bottom of the annular protruding strip 11, a sealing gasket strip 13 is arranged at the bottom of the annular protruding strip 11, and the bottom plate 2 is connected with the annular protruding strip 11 through screws.
Furthermore, the elastic key 5 comprises a key cap 51, an elastic ejector rod 52 and a waterproof jacket 53, the elastic ejector rod 52 is arranged on the shell 1, the key cap 51 is inserted into the top end of the ejector rod of the elastic ejector rod 52, the waterproof jacket 53 is fixedly connected to the top end of the shell 1, and the ejector rod of the elastic ejector rod 52 movably penetrates through the waterproof jacket 53.
Further, the key cap 51 includes a cap body 511, the bottom of the cap body 511 is a funnel, the top wall of the inner cavity of the cap body 511 is disposed on the snap cap head 512, and the inner wall of the funnel at the bottom of the cap body 511 is provided with a ring-shaped slot 513.
Further, the elastic ejector rod member 52 comprises a sleeve 521, the sleeve 521 is fixedly connected to the top wall of the inner cavity of the housing 1, an ejector rod 522 is arranged in the middle of the sleeve 521, an inserting convex head is arranged at the top end of the ejector rod 522, the inserting convex head is matched and inserted with the clamping sleeve head 512, a limiting disc 523 is arranged at the lower portion of the ejector rod 522, the limiting disc 523 is in sliding abutting joint with the inner wall of the sleeve 521, a return spring 524 is arranged between the bottom of the limiting disc 523 and the sleeve 521, and a contact block 525 is arranged at the bottom end of the ejector rod 522.
Further, the waterproof case 53 includes a sleeve 531, a cover 532 is disposed on the top of the outer wall of the sleeve 531, and the position of the cover 532 corresponds to the annular slot 513.
Further, the pressure compensation mechanism 6 comprises a groove 61, an air flow channel 62 is arranged on the bottom wall of the groove 61, the bottom of the air flow channel 62 is inclined downwards to penetrate through the side wall of the shell 1, and an elastic membrane 63 is arranged at the opening of the groove 61 in a sealing mode.
One specific application of this embodiment is: the device is a waterproof device for a computer keyboard. According to the waterproof cover 53, the scattered liquid can enter the shell 1 through a gap only when the scattered liquid is higher than the sleeve 531, the arranged cover body 532 is clamped with the annular slot 513 on the keycap 51 to further prevent the liquid from going upwards, the limiting disc 523 arranged on the ejector rod 522 is in sliding abutting joint with the sleeve 521, the liquid can be blocked again, and the liquid is difficult to enter the shell 1 under multiple protection; according to the means, the inner cavity of the shell 1 is high in sealing performance, the problem that the key is labor-consuming can occur due to the fact that processing is not conducted at the moment, the elastic membrane pressure compensation mechanism arranged in the shell can be deformed and finely adjusted according to the pressure change of the inner cavity of the shell, the key is normal, the principle is ingenious and reasonable, and the waterproof performance cannot be affected (other similar devices are only that the air holes are formed in the side wall, and due to the fact that dust easily enters the air holes, the waterproof performance is weakened).
In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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 do not 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.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A waterproof device for a computer keyboard comprises a shell (1) and a bottom plate (2), and is characterized in that: the bottom plate (2) is arranged at an opening at the bottom of the shell (1), a circuit board (3) is arranged at the top end of the bottom plate (2), contacts (4) are distributed on the circuit board (3), an elastic key (5) is correspondingly arranged on the shell (1) above each contact (4), and pressure compensation mechanisms (6) are arranged on the left side wall and the right side wall of the shell (1); the elastic key (5) comprises a key cap (51), an elastic ejector rod piece (52) and a waterproof sleeve (53), the elastic ejector rod piece (52) is arranged on the shell (1), the key cap (51) is inserted into the top end of an ejector rod of the elastic ejector rod piece (52), the waterproof sleeve (53) is fixedly connected to the top end of the shell (1), and the ejector rod of the elastic ejector rod piece (52) movably penetrates through the waterproof sleeve (53); the key cap (51) comprises a cap body (511), the bottom of the cap body (511) is a funnel body, the top wall of the inner cavity of the cap body (511) is arranged on the clamping sleeve head (512), and the inner wall of the funnel body at the bottom of the cap body (511) is provided with a ring-shaped slot (513); the elastic ejector rod piece (52) comprises a sleeve (521), the sleeve (521) is fixedly connected to the top wall of the inner cavity of the shell (1), an ejector rod (522) is arranged in the middle of the sleeve (521), an inserting raised head is arranged at the top end of the ejector rod (522), the inserting raised head is matched and inserted with the clamping sleeve head (512), a limiting disc (523) is arranged on the lower portion of the ejector rod (522), the limiting disc (523) is in sliding butt joint with the inner wall of the sleeve (521), a reset spring (524) is arranged between the bottom of the limiting disc (523) and the sleeve (521), and a contact block (525) is arranged at the bottom end of the ejector rod (522).
2. The waterproof device for computer keyboard as claimed in claim 1, wherein: casing (1) inboard is close to the opening position and is equipped with annular sand grip (11), annular sand grip (11) bottom evenly distributed has thread groove (12), annular sand grip (11) bottom is equipped with sealing gasket strip (13), bottom plate (2) are connected with annular sand grip (11) through the screw.
3. The waterproof device for computer keyboard as claimed in claim 1, wherein: the waterproof jacket (53) comprises a sleeve (531), a cover body (532) is arranged at the top of the outer wall of the sleeve (531), and the position of the cover body (532) corresponds to the annular slot (513).
4. The waterproof device for computer keyboard as claimed in claim 1, wherein: pressure compensation mechanism (6) are including recess (61), recess (61) diapire is equipped with airflow channel (62), casing (1) lateral wall is run through in airflow channel (62) bottom downward sloping, recess (61) mouth is sealed to be equipped with elastic membrane (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299420.XA CN111463055B (en) | 2020-04-16 | 2020-04-16 | Waterproof device for computer keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299420.XA CN111463055B (en) | 2020-04-16 | 2020-04-16 | Waterproof device for computer keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111463055A CN111463055A (en) | 2020-07-28 |
| CN111463055B true CN111463055B (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010299420.XA Active CN111463055B (en) | 2020-04-16 | 2020-04-16 | Waterproof device for computer keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111463055B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827243A (en) * | 1987-11-23 | 1989-05-02 | Cheng Sheng Chuang | Improved structure of computer keyboard and circuit board |
| CN105118717A (en) * | 2015-07-04 | 2015-12-02 | 魅族科技（中国）有限公司 | Button apparatus and terminal employing same |
| CN108257807A (en) * | 2016-12-28 | 2018-07-06 | 中国船舶重工集团公司第七○五研究所昆明分部 | It is a kind of to use resilient protection membrane type key switching structure under water |
| WO2020051928A1 (en) * | 2018-09-10 | 2020-03-19 | 周连惠 | Arch-structured waterproof computer keyboard and use method therefor |
-
2020
- 2020-04-16 CN CN202010299420.XA patent/CN111463055B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827243A (en) * | 1987-11-23 | 1989-05-02 | Cheng Sheng Chuang | Improved structure of computer keyboard and circuit board |
| CN105118717A (en) * | 2015-07-04 | 2015-12-02 | 魅族科技（中国）有限公司 | Button apparatus and terminal employing same |
| CN108257807A (en) * | 2016-12-28 | 2018-07-06 | 中国船舶重工集团公司第七○五研究所昆明分部 | It is a kind of to use resilient protection membrane type key switching structure under water |
| WO2020051928A1 (en) * | 2018-09-10 | 2020-03-19 | 周连惠 | Arch-structured waterproof computer keyboard and use method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111463055A (en) | 2020-07-28 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20221011 Address after: 518100 floor 1, building a, No. 3, yujianfeng Industrial Zone, No. 289, Huafan Road, Tongsheng community, Dalang street, Longhua District, Shenzhen, Guangdong Applicant after: SHENZHEN OUDU LIFANG TECHNOLOGY CO.,LTD. Address before: 221361 No.189, group 1, Gengzhuang village, Baji Town, Pizhou City, Xuzhou City, Jiangsu Province Applicant before: Geng Kuan |
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