CN209328771U - Water-proof dust-proof keyboard - Google Patents

Abstract

The utility model relates to keyboard technique fields, refer in particular to a kind of Water-proof dust-proof keyboard, including keyboard body, the pcb board set on keyboard body, several keys set on pcb board and the electronic component for being welded in pcb board, key include shell and set on shell and be used for key-press input axis body, electronic component includes for being used cooperatively the input element for forming signal input with axis body, and the outer layer of pcb board and electronic component is equipped with the first sealant for water proof and dust proof.In the outer layer of pcb board and electronic component, one layer of first sealant is set; form the water proof and dust proof protection to pcb board and electronic component; even if pcb board and electronic component enter liquid and dust; it will not cause any impact to the circuit part of keyboard; water proof and dust proof performance is strong; furthermore the design of key electromechanics separate type; further improve the water proof and dust proof performance of key; the key of electromechanical separate type keeps the coating procedure of processing of the first sealant more convenient simultaneously, and coating efficiency is faster.

Description

Water-proof dust-proof keyboard

Technical field

The utility model relates to keyboard technique fields, refer in particular to a kind of Water-proof dust-proof keyboard.

Background technique

It is also most important input equipment that keyboard, which is the most frequently used, can be by English alphabet, number, punctuation mark by keyboard Etc. being input in communication equipment, to issue order, input data etc. to communication equipment.

The mechanical part of key and electric part are integral types at present, are not available for dismantling, if keyboard water inlet cause by Key damage when, entire keyboard can only be replaced, cause the waste of resource, if while keyboard enter dust and be attached to electrical part Timesharing, it will cause key triggering insensitive, is easy that user is allowed to take for keyboard damage, and in order to make keyboard reach water proof and dust proof Effect, generally improved on panel construction, such as increase water proof and dust proof silica gel in keys upwards, or under keycap Fang Zengjia water proof and dust proof convex edge is provided to that water and dust is avoided to enter keyboard, but keyboard is not implemented in above-mentioned measure Real water proof and dust proof.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of Water-proof dust-proof keyboards that water proof and dust proof performance is strong.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: Water-proof dust-proof keyboard, including keyboard Ontology, the pcb board set on keyboard body and several keys set on pcb board, the key include shell and be set to shell And it is used for the axis body of key-press input, it further include the electronic component for being welded in pcb board, which includes being used for and axis body With the use of the input element for forming signal input, the outer layer of the pcb board and electronic component is equipped with anti-for waterproof First sealant of dirt.

Preferably, it is formed when the input element includes light-emitting component and the energization for being welded in pcb board with light-emitting component The receiving element of optical path stops when the axis body moves down or the optical path is connected to form signal input.

Preferably, the input element is the Hall element for being welded in pcb board, and the bottom of the axis body is equipped with and Hall member The magnet that part is used cooperatively, when axis body moves down, Hall element and magnet cooperation incude to form signal input.

Preferably, the axis body be equipped with activation members, the input element include be welded in pcb board the first contact and With opposite polarity second contact of the first contact, when axis body moves down, the activation members, which press the first contact, to be made It contacts conducting with the second contact to form signal input.

Preferably, the shell is equipped with sense of touch part installing zone and the sense of touch part set on sense of touch part installing zone, the axis body Equipped with briquetting；When axis body moves down, the briquetting and sense of touch part are with the use of generation button touch feeling.

Preferably, the sense of touch part installing zone be equipped with boss and the guide part set on boss, the sense of touch part be set on The torsional spring of sense of touch part installing zone, one end of the torsional spring are fixedly installed in sense of touch part installing zone, the other end of torsional spring be located at boss with Between briquetting.

Preferably, the sense of touch part includes the first elastic slice, the second bullet set on the first elastic slice set on sense of touch part installing zone Piece, in the middle part of the second elastic slice first protrusion, set on the first elastic slice other side third elastic slice and be set to third elastic slice in Portion and with the first protrusion be oppositely arranged second protrusion, the briquetting is between the second elastic slice and third elastic slice.

Preferably, the outer layer of the sense of touch part is equipped with the second sealant for water proof and dust proof.

Preferably, the key further includes the elastic component for driving axis body to reset.

Preferably, the shell offers the transparent area for appearing for lamp body light.

The utility model has the beneficial effects that: the utility model provides a kind of Water-proof dust-proof keyboard, in pcb board and One layer of first sealant is arranged in the outer layer of electronic component, forms the water proof and dust proof protection to pcb board and electronic component, Even if pcb board and electronic component enter liquid and dust, will not cause any impact to the circuit part of keyboard, Water proof and dust proof performance is strong, furthermore by input element be directly welded on pcb board and by with axis body with the use of realizing key Input, the separation of keyboard mechanical part and electric part has been achieved, has further improved the water proof and dust proof of key Performance, while the key of electromechanical separate type keeps the coating procedure of processing of the first sealant more convenient, coating efficiency faster, applies It is stronger to cover the first sealant water proof and dust proof performance to be formed.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model Water-proof dust-proof keyboard embodiment one.

Fig. 2 is the cross section structure schematic diagram of single key and pcb board in the utility model Water-proof dust-proof keyboard embodiment one

Fig. 3 is the stereochemical structure signal that single key hides upper casing in the utility model Water-proof dust-proof keyboard embodiment one Figure.

Fig. 4 is the cross section structure schematic diagram of single key and pcb board in the utility model Water-proof dust-proof keyboard embodiment two.

Fig. 5 is the cross section structure schematic diagram of single key and pcb board in the utility model Water-proof dust-proof keyboard embodiment three.

Fig. 6 is the cross section structure schematic diagram of single key and pcb board in the utility model Water-proof dust-proof keyboard example IV.

Fig. 7 is the stereochemical structure signal that single key hides upper casing in the utility model Water-proof dust-proof keyboard embodiment five Figure.

Specific embodiment

For the ease of the understanding of those skilled in the art, the utility model is made further below with reference to embodiment Bright, the content that embodiment refers to not is the restriction to the utility model.

As shown in Figure 1 to Figure 3 be the utility model Water-proof dust-proof keyboard embodiment one, including keyboard body 1, be set to key The pcb board 2 of disk ontology 1 and several keys 3 set on pcb board 2, the key 3 include shell 30 and be set to shell 30 and It further include the electronic component for being welded in pcb board 2 for the axis body 31 that key 3 inputs, which includes being used for and axis Body 31, which is used cooperatively, forms the input element that signal inputs, and the outer layer of the pcb board 2 and electronic component is equipped with for preventing The first dust-proof sealant of water.

One layer of first sealant is set in the outer layer of pcb board 2 and electronic component, is formd to pcb board 2 and electronics The water proof and dust proof of component is protected, will not be to the electricity of keyboard even if pcb board 2 and electronic component enter liquid and dust Road part causes any impact, and water proof and dust proof performance is strong, furthermore by input element be directly welded on pcb board 2 and by with The input with the use of realization key 3 of axis body 31, has been achieved the separation of key 3 mechanical part and electric part, into The water proof and dust proof performance for improving key 3 of one step, while the key 3 of electromechanical separate type makes the coating of the first sealant process step Rapid more convenient, faster, the first sealant water proof and dust proof performance for coating formation is stronger for coating efficiency.

In the present embodiment, the input element includes when being welded in the light-emitting component 20 of pcb board 2 and being powered and shining first Part 20 forms the receiving element 21 of optical path, and the axis body 31 stops the optical path to form signal input when moving down.It is preferred that , the light-emitting component 20 is infrared transmitting tube, and the receiving element 21 is photosensitive receiving tube；When energization, infrared emission tube Emit infrared ray, photosensitive receiving tube receives and forms optical path, when pressing axis body 31, axis with the infrared emission tube after infrared ray Body 31 moves down, and blocks the reception of photosensitive receiving tube, and the optical path between infrared emission tube and photosensitive receiving tube is blocked Afterwards, only emit at this time without reception, signal processing circuit sends input to control circuit, to realize the input of key 3. In this way, avoid because in switch key 3 between two elastic slices for a long time touch after wear cause performance unstable situation, keyboard The service life is longer, and job stability is higher, is not required to be made of plug-in unit welding manner additionally, due to keyboard, improves keyboard The ability of dust and water protection.

Furthermore the avoiding hollow groove 25 for preventing axis body 31 from hitting when moving down can also be opened up on pcb board 2, this avoid axis It is hit when body 31 moves down with pcb board 2 and causes to wear, it is practical.

In the present embodiment, the shell 30 is equipped with sense of touch part installing zone 34 and the sense of touch part set on sense of touch part installing zone 34 35, the axis body 31 is equipped with briquetting 36；When axis body 31 moves down, the briquetting 36 is with sense of touch part 35 with the use of generation key 3 Sense of touch.When axis body 31 moves down, briquetting 36 moves and by, with the use of 3 sense of touch of key is generated, being promoted with sense of touch part 35 User experience.

In the present embodiment, the sense of touch part installing zone 34 is equipped with boss 37 and the guide part 38 set on boss 37, described Sense of touch part 35 is the torsional spring set on sense of touch part installing zone 34, and one end of the torsional spring is fixedly installed in sense of touch part installing zone 34, torsional spring The other end between boss 37 and briquetting 36.Preferably, the cross sectional shape of the briquetting 36 is triangle, and bottom is flat Face, top are inclined-plane；In practical applications, the compression of axis body 31 moves down, and presses torsional spring by briquetting 36, makes torsional spring with it The one end for being fixed on shell 30, which is that fulcrum is inclined, to be moved down, and torsional spring can be according to 37 guide part 38 of boss in folding process Guiding movement is gradually removed from the bottom surface along briquetting 36, and makes it along the oblique of briquetting 36 by the elastic property of torsional spring itself Face is resetted, and is finally avoided hitting and be issued sound with shell 30, so as to form 3 sense of touch of key, improve user experience.

In the present embodiment, the outer layer of the sense of touch part 35 is equipped with the second sealant for water proof and dust proof.Preferably, described Second sealant is nano coating, and the sense of touch part 35 after being coated with nano coating has good water proof and dust proof performance, is effectively kept away Exempt from that liquid enters 3 post-etching sense of touch part 35 of key and dust enters after key 3 to be attached on sense of touch part 35 and causes sense of touch ineffective The phenomenon that occur, also avoid dust and enter on pcb board 2 with liquid that key 3 is caused to react the phenomenon that insensitive or key 3 damages Occur.

In the present embodiment, the key 3 further includes the elastic component 3E for driving axis body 31 to reset.Preferably, the bullet Property part 3E be spring, when pressing axis body 31 and moving down, spring, which can be squeezed, to form energy storage, and when unclamping axis body 31, bullet Spring can drive axis body 31 to carry out reset movement using the energy storage, practical.

In the present embodiment, the shell 30 offers the transparent area 3F for appearing for lamp body light.Preferably, transparent area 3F is the light tank for being opened in shell 30, if be welded with LED light on pcb board 2, the light that LED light issues can be from transparent area 3F It issues, and is radiated on the character of 3 keycap of key to remind current 3 attribute of key of user.

In addition, axis body 31 can be set to the middle part of shell 30, sense of touch part installing zone 34 and transparent area 3F are respectively arranged on axis Axis body 31 is located at the middle part of shell 30 by the two sides of body 31 in this way, is both convenient for the installation of axis body 31, while being also convenient for axis body 31 Furthermore transparent area 3F can also be set to middle part by pressing input, sense of touch part installing zone 34 and axis body 31 are respectively arranged on transparent area 3F Two sides, the light that such LED light issues issues from middle part, guarantees that character light transmission is uniform on keycap.

It is illustrated in figure 4 the embodiment two of the utility model Water-proof dust-proof keyboard, place unlike the embodiments above is: The input element includes the reception for being welded in the light-emitting component 20 of pcb board 2 and forming optical path when being powered with light-emitting component 20 The optical path is connected to form signal input in element 21, the axis body 31 when moving down；The axis body 31 offers via hole 3G.Preferably, the light-emitting component 20 is infrared transmitting tube, and the receiving element 21 is photosensitive receiving tube；When energization, infrared hair It penetrates pipe and issues infrared ray, and axis body 31 blocks photosensitive receiving tube receiving infrared-ray, when pressing axis body 31, axis body 31 is moved down, When via hole 3G is between infrared emission tube and photosensitive receiving tube, photosensitive receiving tube receives infrared ray, at signal Reason circuit sends input to control circuit, and then realizes the input to key 3.In this way, avoiding because of existing switch In key 3 between two elastic slices for a long time touch after wear cause performance unstable situation, the service life is longer for keyboard, work It is higher to make stability, in addition, improving the energy of keyboard dust-proof and waterproof since keyboard is not required to be made of plug-in unit welding manner Power.

It is illustrated in figure 5 the embodiment three of the utility model Water-proof dust-proof keyboard, place unlike the embodiments above is: The input element is the Hall element 22 for being welded in pcb board 2, and the bottom of the axis body 31 is equipped with to be made with the cooperation of Hall element 22 Magnet 32, when axis body 31 moves down, Hall element 22 and the cooperation of magnet 32 incude to form signal input.By lower axle When body 31, axis body 31 is moved down, and is formed magnetic effect between magnet 32 and Hall element 22 and is connected Hall element 22, with reality The input of existing signal.Pass through after positive leg touches for a long time with cathode leg this avoid existing key 3 and wears causing property The unstable situation of energy, effectively extends the service life of key 3, in addition uses SMT patch mode by Hall element 22 and pcb board The generation of 2 the phenomenon that being made into integration, avoiding the occurrence of rosin joint improves yields, passes through magnet 32 and the Hall element 22 cooperation is felt It answers, to realize signal triggering and the separation of electromechanics, improves the ability of keyboard dust-proof and waterproof.

It is illustrated in figure 6 the example IV of the utility model Water-proof dust-proof keyboard, place unlike the embodiments above is: The axis body 31 is equipped with activation members 33, and the input element includes being welded in the first contact 23 of pcb board 2 and connecing with first Opposite polarity second contact 24 of contact element 23, when axis body 31 moves down, the activation members 33 press the first contact 23 It is set to contact conducting with the second contact 24 to form signal input.Preferably, first contact 23 and the second contact 24 be opposite polarity two elastic slices, and one of elastic slice bending extends to form trigger unit；When pressing axis body 31, axis body 31 is downward It is mobile, the activation members 33 press trigger unit it is mobile and with 24 making contact of the second contact, realize the first contact 23 with Electrical connection between second contact 24, forms the input of signal.Pass through the first contact 23 and the second contact 24 in this way Contact is electrically connected to form the input of signal, and can issue sound when trigger member the second contact 24 of shock and form mechanical feel, There is provided key 3 sense of touch for user, the user experience is improved.

It is illustrated in figure 7 the embodiment five of the utility model Water-proof dust-proof keyboard, place unlike the embodiments above is: The sense of touch part 35 includes the first elastic slice 39 set on sense of touch part installing zone 34, the second elastic slice 3A set on the first elastic slice 39, sets The first protrusion 3B in the middle part of the second elastic slice 3A, set on 39 other side of the first elastic slice third elastic slice 3C and be set to third elastic slice Be oppositely arranged the second protrusion 3D in the middle part of 3C and with the first protrusion 3B, the briquetting 36 be located at the second elastic slice 3A and third elastic slice 3C it Between.Preferably, the cross sectional shape of the briquetting 36 is diamond shape, at the same the first protrusion 3B under original state and the second protrusion 3D it Between distance be less than briquetting 36 outer diameter；When original state, the briquetting 36 is located at the top of protrusion with the second protrusion 3D, works as axis When body 31 pushes, briquetting 36 moves down therewith, when briquetting 36 is moved between the first protrusion 3B and the second protrusion 3D, briquetting 36 can squeeze out outward the first protrusion 3B and the second protrusion 3D, move the first elastic slice 39 outward with the second elastic slice 3A, and At briquetting 36 passes fully through the first protrusion 3B and the second protrusion 3D and when being located at the first protrusion 3B and the second protrusion lower section 3D, the One elastic slice 39 and the second elastic slice 3A are resetted since the effect of elasticity drives, and in reseting procedure, the first protrusion 3B and second is convex Playing 3D can collide and generate sound formation 3 sense of touch of key, and the user experience is improved.

In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " laterally (X) ", " longitudinal (Y) ", " vertical (Z) " " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", The indicating positions such as "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship be based on Orientation or positional relationship shown in the drawings is merely for convenience of narration the utility model and simplifies description, rather than instruction or dark Showing signified device or element must have a particular orientation, be constructed and operated with particular orientation, should not be understood as limiting this reality With novel specific protection scope.

In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include One or more this feature, in the utility model description, " several " are meant that two or more, unless otherwise bright It is really specific to limit.

In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

Several embodiments of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. Water-proof dust-proof keyboard including keyboard body (1), is set to the pcb board (2) of keyboard body (1) and is set to pcb board (2) Several keys (3), the key (3) include shell (30) and be set to shell (30) and for key (3) input axis body (31), it is characterised in that: further include the electronic component for being welded in pcb board (2), which includes being used for and axis body (31) it is used cooperatively and forms the input element that signal inputs, the outer layer of the pcb board (2) and electronic component, which is equipped with, to be used for First sealant of water proof and dust proof.

2. Water-proof dust-proof keyboard according to claim 1, it is characterised in that: the input element includes being welded in pcb board (2) light-emitting component (20) and while being powered, form the receiving element (21) of optical path, the axis body (31) with light-emitting component (20) Stop when moving down or the optical path is connected to form signal input.

3. Water-proof dust-proof keyboard according to claim 1, it is characterised in that: the input element is to be welded in pcb board (2) Hall element (22), the bottom of the axis body (31) is equipped with the magnet (32) being used cooperatively with Hall element (22), works as axis body (31) Hall element (22) and magnet (32) cooperation incude to form signal input when moving down.

4. Water-proof dust-proof keyboard according to claim 1, it is characterised in that: the axis body (31) is equipped with activation members (33), The input element includes being welded in the first contact (23) of pcb board (2) and opposite polarity with the first contact (23) Second contact (24), when axis body (31) moves down, the activation members (33) pressing the first contact (23) makes itself and the Two contacts (24) contact conducting is to form signal input.

5. according to claim 1 to Water-proof dust-proof keyboard described in 3 any one, it is characterised in that: the shell (30) is equipped with Sense of touch part installing zone (34) and the sense of touch part (35) for being set to sense of touch part installing zone (34), the axis body (31) are equipped with briquetting (36)；When axis body (31) moves down, the briquetting (36) and sense of touch part (35) are with the use of generation key (3) sense of touch.

6. Water-proof dust-proof keyboard according to claim 5, it is characterised in that: the sense of touch part installing zone (34) is equipped with boss (37) and the guide part (38) set on boss (37), the sense of touch part (35) are the torsional spring set on sense of touch part installing zone (34), One end of the torsional spring is fixedly installed in sense of touch part installing zone (34), the other end of torsional spring be located at boss (37) and briquetting (36) it Between.

7. Water-proof dust-proof keyboard according to claim 5, it is characterised in that: the sense of touch part (35) includes being set to sense of touch part The first elastic slice (39) of installing zone (34), is set in the middle part of the second elastic slice (3A) the second elastic slice (3A) for being set to the first elastic slice (39) First raised (3B), be set to the third elastic slice (3C) of the first elastic slice (39) other side and be set in the middle part of third elastic slice (3C) and It is oppositely arranged second raised (3D) with first raised (3B), the briquetting (36) is located at the second elastic slice (3A) and third elastic slice (3C) Between.

8. Water-proof dust-proof keyboard according to claim 5, it is characterised in that: the outer layer of the sense of touch part (35) is equipped with and is used for Second sealant of water proof and dust proof.

9. Water-proof dust-proof keyboard according to any one of claims 1 to 4, it is characterised in that: the key (3) further includes Elastic component (3E) for driving axis body (31) to reset.

10. Water-proof dust-proof keyboard according to any one of claims 1 to 4, it is characterised in that: the shell (30) opens up There is the transparent area (3F) for appearing for lamp body light.