CN205863054U - Dust-proof button and use the keyboard of described dust-proof button - Google Patents
Dust-proof button and use the keyboard of described dust-proof button Download PDFInfo
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- CN205863054U CN205863054U CN201620618962.8U CN201620618962U CN205863054U CN 205863054 U CN205863054 U CN 205863054U CN 201620618962 U CN201620618962 U CN 201620618962U CN 205863054 U CN205863054 U CN 205863054U
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- China
- Prior art keywords
- dust
- thin film
- film switch
- upper cover
- button
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
This utility model provides a kind of dust-proof button and uses the keyboard of described dust-proof button, described dust-proof button includes upper cover, base, keying body and thin film switch layer, described upper cover and described base nested arrangements surround receiving space, described thin film switch layer is located at outside described receiving space, described keying body is contained in described receiving space and its lower end and contacts with described thin film switch layer surface or gap setting, described upper cover includes upper cover sidewall, described upper cover sidewall is provided with chute, described keying body vertically moves up and down in described chute, described base includes that base plate and the setting that connects with described base plate surround the base side wall accommodating chamber, described base plate offers the dust exhausting hole for discharging dust.Dust-proof button of the present utility model can discharge the dust being deposited in described chute in time, it is to avoid accumulates in described chute, thus ensures the fluency that described keying body moves up and down in described chute, and then ensures pressing feel, increases the service life.
Description
Technical field
This utility model relates to electronic input apparatus, particularly relates to a kind of dust-proof button and uses the key of described dust-proof button
Dish.
Background technology
In art of keypads, it is broadly divided into two classes according to its structure: silica gel thin film keyboard and mechanical keyboard.Silica gel thin film key
Dish realizes key switch function by the elastic force of plastics silica gel, although feel is general, but due to its cheap price, in market
On popularized.Although mechanical keyboard can realize the linear and pressure stroke curve of paragraph sense, it is provided that excellent feel, but
It is the problem due to fancy price and application aspect, it is impossible to promote.But either silica gel keyboard or mechanical keyboard, through one
The use of section time, dust inevitably enters in button and cannot discharge, and dust runs up to a certain degree can block
Button, and then affect feel and even make button lose switching function.Therefore, dust-proof one, keyboard of always puzzlement is the most scabrous
Problem, especially for expensive mechanical keyboard urgent problem especially.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides the dust-proof button of a kind of simple in construction, and it can be timely
It is discharged into the dust of key inside, fundamentally solves the dust-proof problem of button, it is ensured that the pressing feel of button, extend and use
Life-span.
A kind of dust-proof button, including upper cover, base, keying body and thin film switch layer, described upper cover is embedding with described base
Set cooperation surrounds receiving space, and described thin film switch layer is located at outside described receiving space, and described keying body is contained in described
Receiving space and its lower end contact with described thin film switch layer surface or gap is arranged, and described upper cover includes upper cover sidewall,
Described upper cover sidewall is provided with chute, and described keying body vertically moves up and down in described chute, and described base includes
Base plate and the setting that connects with described base plate surround the base side wall accommodating chamber, and described base plate offers the dust discharge for discharging dust
Hole.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, described dust exhausting hole is just being positioned at described chute
Lower section.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, the described the most described receiving of upper cover sidewall
The surface in chamber is provided with buckle, and described buckle is one-body molded with described upper cover sidewall；Described base side wall is provided with and described buckle pair
The hole clipping answered, described buckle is connected in described hole clipping, thus is fixed with described base by described upper cover.Carry at this utility model
In a kind of preferred embodiment of the dust-proof button of confession, state dust exhausting hole and described hole clipping is close to described base plate and described base side wall
Junction arrange and run through described junction, make the two be mutually communicated.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, described upper cover also includes roof, described
Roof connects with described upper cover sidewall setting, and described roof offers through hole, and described keying body includes pressing body, described pressing
Body includes body, is fixed on the press-side above described body and is fixed on the abutting foot below described body, described press-side
Passing for pressing from described through hole, described body is contained in described receiving space and abuts with described roof, described abutting foot
Part is arranged in described chute.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, described thin film switch layer includes that thin film is opened
Closing, described thin film switch includes the first electrode and the second electrode that relative spacing arranges, when described keying body is pressed, institute
State keying body to compress and act on described thin film switch layer, described first electrode and described second contact electrode, it is achieved conducting,
When described keying body is released, described keying body is without compressing power or minimizing compresses power in described thin film switch layer, described
First electrode and described second electrode separation, it is achieved disconnect.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, described keying body includes being contained in institute
Stating the pressing body of receiving space, the first metal spring, the second metal spring and shell fragment, described pressing body includes a helical pitch post, institute
State base plate and include helical pitch pipe, helical pitch pipe described in described helical pitch post partial insertion and described second metal spring of elastic abutting, described
First metal spring is sheathed on outside described helical pitch pipe, and described second metal spring is contained in described helical pitch pipe, and its lower end
Contacting with described thin film switch layer surface or gap is arranged, described Spring sheet clip is located at described upper cover sidewall and described first gold medal
Belonging between spring, its one end is arranged against described upper cover sidewall, and the other end abuts with described pressing body elasticity.
In a kind of preferred embodiment of the dust-proof button of this utility model offer, described helical pitch post includes locating dowel, institute
The locating dowel stating second metal spring one end and described helical pitch post is fixed, another opposite end and described thin film switch layer surface
Contact or gap is arranged.
A kind of keyboard, the button arranged including gripper shoe and multiple array, described button includes that upper cover, base, button are originally
Body and thin film switch layer, described upper cover and described base nested arrangements surround receiving space, and described thin film switch layer is located at described
Outside receiving space, described keying body is contained in described receiving space and its lower end and contacts with described thin film switch layer surface
Or gap is arranged, and described upper cover includes that upper cover sidewall, described upper cover sidewall are provided with chute, and described keying body is vertically
Moving up and down in described chute, described base includes that base plate and the setting that connects with described base plate surround the base side accommodating chamber
Wall, described base plate offers the dust exhausting hole for discharging dust, and described gripper shoe includes that multiple installing hole, described button correspondence pass through
Wearing described installing hole and be contained in described installing hole, described thin film switch layer is located at below described gripper shoe, described thin film switch
Layer includes that the thin film switch that multiple array is arranged, described thin film switch are arranged with described button one_to_one corresponding.
In a kind of preferred embodiment of the keyboard of this utility model offer, described keying body includes the second metal elastic
Spring, described second metal spring lower end contacts with described thin film switch layer surface or gap is arranged, when described button is pressed
During pressure, described second metal spring compresses and acts on described thin film switch layer, and described thin film switch turns on, when described button is released
When putting, described second metal spring compresses power disconnect in described thin film switch layer, described thin film switch without compressing power or minimizing.
Compared to prior art, the dust-proof button that this utility model provides is by offering for discharging on the base plate of base
The dust exhausting hole of dust, when dust inevitably enters into described dust-proof button 1 inside, along with described pressing body is using
During vertically move up and down in described chute, phase mutual friction therebetween, make the ash being deposited in described chute
Dirt dust exhausting hole immediately below described chute automatically is discharged and is dropped to described dust-proof button, it is to avoid accumulate in described chute,
Thus ensure the fluency that described keying body moves up and down in described chute, and then ensure the pressing feel of button, extend
Service life；The roof of described upper cover has certain effect of blocking to described chute, reduces dust and drops in described chute；Only
The press-side having described pressing body exposes described receiving space, can reduce the size of the through hole of described roof, reduce dust from
Described through hole enters the probability in button.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing, wherein:
Fig. 1 is the perspective exploded view of a kind of dust-proof button of this utility model；
Fig. 2 is the sectional view of dust-proof button shown in Fig. 1；
Fig. 3 be the upper cover of dust-proof button shown in Fig. 1 structural representation；
Fig. 4 is the side sectional view of the thin film switch layer of dust-proof button shown in Fig. 1；
Fig. 5 is the perspective exploded view of a kind of keyboard of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The all other embodiments obtained, broadly fall into the scope of this utility model protection.
Incorporated by reference to refering to Fig. 1 and Fig. 2, wherein Fig. 1 is the perspective exploded view of a kind of dust-proof button of this utility model,
Fig. 2 is the sectional view of dust-proof button shown in Fig. 1.Described dust-proof button 1 includes upper cover 11, base 12, keying body 13 and thin film
Switching layer 14.Described upper cover 11 surrounds receiving space with described base 12 nested arrangements, and described thin film switch layer 14 is located at described
Outside receiving space, described keying body 13 is contained in described receiving space and its lower end and described thin film switch layer 14 surface phase
Contact or gap are arranged.
Incorporated by reference to refering to Fig. 3, be the upper cover of dust-proof button shown in Fig. 1 structural representation.Described upper cover 11 includes top
Wall 111 and four upper cover sidewalls 112.Described roof 111 connects with described upper cover sidewall 112 setting.Four upper covers state sidewall 112 head
Tail connects, and is located at the same side of described roof 111, and the most described roof 111 coordinates described upper cover sidewall 112 to surround one end to open
The receiving space of mouth, the opening down of described upper cover 11 is fastened on described base 12.The center of described roof 111 is provided with logical
Hole 1111.The surface in described upper cover sidewall 112 the most described receiving space is provided with buckle 1121, described upper cover sidewall 112 towards
The surface in described receiving space is provided with chute 1122.Described chute 1122 caves in from the inner surface of described upper cover sidewall 112 and is formed,
And be perpendicular to described roof 111 and arrange, it extends to described upper cover sidewall 112 and institute from described upper cover sidewall 112 end
Stating the junction of roof 111, this chute 1122 sets the pressing body 131 of described keying body 13 for card, prevents pressing body 131 edge
Rotate when vertical direction moves up and down.In the present embodiment, described chute 1122 is provided with two, lays respectively at and relatively sets
Two described upper cover sidewalls 112 putting also are symmetrical arranged.
Described base 12 includes that base plate 121 and the setting that connects with described base plate 121 surround the base side wall 122 accommodating chamber.
The center of described base plate 121 is provided with helical pitch pipe 1211, and near the edge of described base plate 121, described base plate 121 is further opened with
For discharging the dust exhausting hole 1212 of dust.Described dust exhausting hole 1212 is positioned at immediately below described chute.In the present embodiment, relatively
Two the described upper cover sidewalls 112 arranged are provided with described chute, and corresponding, described dust exhausting hole 1212 is provided with two, two institutes
State dust exhausting hole 1212 to be symmetrical arranged about described helical pitch pipe 1211.Preferably, described dust exhausting hole 1212 is square or circular.Described
Base side wall 122 is provided with the hole clipping 1221 corresponding with the buckle 1121 of described upper cover 11, and described buckle 1121 is buckled in described card
In hole 1221, thus described upper cover 11 is fixed with described base 12.Preferably, described dust exhausting hole 1212 and described hole clipping
1221 junctions being close to described base plate 121 and described base side wall 122 arrange and run through described junction, make the two mutual
Through, simplify structure and be easy to processing and manufacturing.
Described keying body 13 includes pressing body the 131, first metal spring the 132, second metal spring 133 and shell fragment 134.
Described pressing body 131 includes body 1310, is fixed on the helical pitch post 1311 below described body 1310 and abuts foot
1312 and be fixed on the press-side 1314 above described body 1310.Described body 1310 is in tabular, and it is contained in described
In receiving space and abut with the roof 111 of described upper cover 11.Described helical pitch post 1311 entirety is the long cylindricality of hollow, its upper end
Being connected with described body 1310, lower end suspension is arranged, and the center within described helical pitch post 1311 is provided with locating dowel, and (figure is not
Show), described locating dowel faces away from described press-side 1314 direction from described body 1310 table and extends formation.Described abutting foot
1312 symmetries are arranged at intervals at described helical pitch post 1311 both sides, and described abutting foot 1312 part is arranged in described chute 1122,
And its one end is connected with described body 1310, other end suspension is arranged.Described press-side 1314 is passed confession by described through hole 1111
Pressing, when described pressing body 131 is by External Force Acting, its transmission pressure and with under the firmly effect of input user vertically
Move up and down in described chute 1122.
Described first metal spring 132, in the range of elastic deformation, is produced deformation by corresponding after pressed by external force, produces meanwhile
Raw retroaction elastic force.After assembling, described first metal spring 132 is sheathed on the helical pitch post 1311 of described pressing body 131 and described
Outside the helical pitch pipe 1211 of base 12, and its upper end abuts with the body 1310 of described pressing body 131, lower end and described base 12
Base plate 121 abut, with this, described first metal spring 132 is fixed between described pressing body 131 and described base 12.
Described second metal spring 133, in the range of elastic deformation, is produced deformation by corresponding after pressed by external force, produces meanwhile
Raw retroaction elastic force.Described second metal spring 133 be smaller in size than described first metal spring 132, its be contained in described in lead
In journey pipe 1211, and its one end is sheathed with the locating dowel interference of described helical pitch post 1311, it is achieved be fixed, and another opposite end hangs
Put.
Described shell fragment 134 is by the thin slice of metal material processing, and it is located in described upper cover sidewall 112 and described
Between one metal spring 132.Described shell fragment 134 one end is arranged against described upper cover sidewall 112, the other end and described pressing body
The abutting foot 1312 of 131 is elastic to abut.
Refer to Fig. 4, be the side sectional view of the thin film switch layer of dust-proof button shown in Fig. 1.Described thin film switch layer 14
Including thin film switch 141.Described thin film switch 141 includes the first electrode 141a, the second electrode 141b that relative spacing is arranged,
Under pressure effect, described first electrode 141a is corresponding with described second electrode 141b to be contacted, it is achieved conducting；Pressure is applied when cancelling
Time, the most described first electrode 141a is corresponding with described second electrode 141b to be separated, it is achieved disconnect.
When dust inevitably enters into described dust-proof button 1 inside, along with described pressing body 13 was using
Journey vertically moves up and down in described chute 1122, phase mutual friction therebetween, make to be deposited on described chute 1122
In dust dust exhausting hole 1212 below described chute 1122 automatically discharge and drop to described dust-proof button 1, it is to avoid in institute
State accumulation in chute 1122, thus ensure the fluency that described keying body 13 moves up and down in described chute 1122, and then
Ensure the pressing feel of button, increase the service life；Described chute is had and certain blocks work by the roof 111 of described upper cover 11
With, reduce dust and drop in described chute；The press-side 1314 of the most described pressing body 131 exposes described receiving space, can
To reduce the size of the through hole 1111 of described roof 111, reduce dust and enter the probability in button from described through hole 1111.
Refer to Fig. 5 again, be the perspective exploded view of a kind of keyboard of this utility model.Described keyboard 100 includes multiple
Button 1, the keycap 2 being covered on described button 1 and the gripper shoe 3 that array is arranged.Described button 1 dust-proof is pressed for described above
Key 1, its structure does not repeats them here.Thin film switch layer 14 interval of described button 1 is located at below described gripper shoe 3.Described
Fagging 3 includes that multiple installing hole 31, described button 1 correspondence run through the installing hole 31 of described gripper shoe 3 and be contained in described installation
Hole 31, and the lower end of the second metal spring 133 of described button 1 contacts with described thin film switch layer 14 surface or gap sets
Put.Described thin film switch layer 14 includes the thin film switch (not shown) that multiple array is arranged, and each described thin film switch is with described
Button 1 one_to_one corresponding is arranged.When user presses described keycap 2, described button 1 pressurized moves down, described second metal elastic
Spring 133 compresses and acts on described thin film switch layer 14, and the thin film switch in described thin film switch layer 14 is connected, it is achieved electrically lead
Logical.When user cancels the described keycap 2 of pressing, described button 1 is released, and described second metal spring 133 is without compressing power or subtracting
The power that compresses less thin film switch in described thin film switch layer 14, described thin film switch layer 14 disconnects, it is achieved electrically close.
Further, described button 1 can use with described gripper shoe 3 and removably connect, it is simple to by described button 1 from institute
State to disassemble in gripper shoe 3 and more renew button or cleaning.
Compared to prior art, the button 1 of the keyboard 100 that this utility model provides is dust-proof button, and this dust-proof button is opened
It is provided with the dust exhausting hole for discharging dust, when dust inevitably enters into described button 1 inside, along with described pressing originally
Body 13 the most vertically moves up and down in described chute 1122, and phase mutual friction therebetween makes to be deposited on
Dust in described chute 1122 dust exhausting hole 1212 immediately below described chute automatically is discharged and is dropped to described dust-proof button 1
Outward, it is to avoid accumulate in described chute 1122, thus ensure what described keying body 13 moved up and down in described chute 1122
Fluency, and then ensure the pressing feel of button, increase the service life；The roof 111 of described upper cover 11 has one to described chute
Fixed effect of blocking, reduces dust and drops in described chute；The press-side 1314 of the most described pressing body 131 exposes described receipts
Hold space, the size of the through hole 1111 of described roof 111 can be reduced, reduce dust and enter in button from described through hole 1111
Probability；Described button 1 can use with described gripper shoe 3 and removably connect, it is simple to by described button 1 from described gripper shoe 3
Disassemble and more renew button or cleaning.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in
Other relevant technical field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a dust-proof button, including upper cover, base, keying body and thin film switch layer, described upper cover is nested with described base
Coordinating and surround receiving space, described thin film switch layer is located at outside described receiving space, and described keying body is contained in described receipts
Hold space and its lower end contacts with described thin film switch layer surface or gap is arranged, it is characterised in that described upper cover includes
Upper cover sidewall, described upper cover sidewall is provided with chute, and described keying body vertically moves up and down in described chute, described
Base includes that base plate and the setting that connects with described base plate surround the base side wall accommodating chamber, and described base plate offers for discharging ash
The dust exhausting hole of dirt.
Dust-proof button the most according to claim 1, it is characterised in that described dust exhausting hole is positioned at immediately below described chute.
Dust-proof button the most according to claim 1, it is characterised in that the surface in described upper cover sidewall the most described receiving chamber
Being provided with buckle, described buckle is one-body molded with described upper cover sidewall；Described base side wall is provided with the hole clipping corresponding with described buckle,
Described buckle is connected in described hole clipping, thus is fixed with described base by described upper cover.
Dust-proof button the most according to claim 3, it is characterised in that described dust exhausting hole and described hole clipping are close to the described end
Plate arranges with the junction of described base side wall and runs through described junction, makes the two be mutually communicated.
Dust-proof button the most according to claim 1, it is characterised in that described upper cover also includes roof, described roof and institute
Stating upper cover sidewall to connect setting, described roof offers through hole, and described keying body includes that pressing body, described pressing body include this
Body, being fixed on the press-side above described body and be fixed on the abutting foot below described body, described press-side is from described logical
Hole passes for pressing, and described body is contained in described receiving space and abuts with described roof, described sets to foot portions card
In described chute.
Dust-proof button the most according to claim 1, it is characterised in that described thin film switch layer includes thin film switch, described
Thin film switch includes the first electrode and the second electrode that relative spacing arranges, when described keying body is pressed, described button
Body compresses and acts on described thin film switch layer, described first electrode and described second contact electrode, it is achieved conducting, works as institute
State keying body when being released, described keying body without compressing power or minimizing compresses power in described thin film switch layer, described first
Electrode and described second electrode separation, it is achieved disconnect.
Dust-proof button the most according to claim 1, it is characterised in that described keying body includes being contained in described collecting sky
Between pressing body, the first metal spring, the second metal spring and shell fragment, described pressing body includes a helical pitch post, described base plate bag
Include helical pitch pipe, helical pitch pipe described in described helical pitch post partial insertion and described second metal spring of elastic abutting, described first metal
Spring housing is located at outside described helical pitch pipe, and described second metal spring is contained in described helical pitch pipe, and its lower end is thin with described
Membrane switch layer surface contacts or gap is arranged, described Spring sheet clip be located at described upper cover sidewall and described first metal spring it
Between, its one end is arranged against described upper cover sidewall, and the other end abuts with described pressing body elasticity.
Dust-proof button the most according to claim 7, it is characterised in that described helical pitch post includes locating dowel, described second gold medal
The locating dowel belonging to spring one end and described helical pitch post is fixed, another opposite end contact with described thin film switch layer surface or
Person gap is arranged.
9. a keyboard, the button arranged including gripper shoe and multiple array, it is characterised in that described button is claim 1
Dust-proof button described in any one claim in 8, described gripper shoe includes that multiple installing hole, described button correspondence run through
Described installing hole is also contained in described installing hole, and described thin film switch layer is located at below described gripper shoe, described thin film switch layer
The thin film switch arranged including multiple arrays, described thin film switch is arranged with described button one_to_one corresponding.
Keyboard the most according to claim 9, it is characterised in that described keying body includes the second metal spring, described
Two metal spring lower ends contact with described thin film switch layer surface or gap is arranged, when described button is pressed, described
Second metal spring compresses and acts on described thin film switch layer, and described thin film switch turns on, when described button is released, described
Second metal spring compresses power disconnect in described thin film switch layer, described thin film switch without compressing power or minimizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618962.8U CN205863054U (en) | 2016-06-21 | 2016-06-21 | Dust-proof button and use the keyboard of described dust-proof button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618962.8U CN205863054U (en) | 2016-06-21 | 2016-06-21 | Dust-proof button and use the keyboard of described dust-proof button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863054U true CN205863054U (en) | 2017-01-04 |
Family
ID=57636070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618962.8U Expired - Fee Related CN205863054U (en) | 2016-06-21 | 2016-06-21 | Dust-proof button and use the keyboard of described dust-proof button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350429A (en) * | 2019-07-10 | 2019-10-18 | 南通世睿电力科技有限公司 | A kind of novel pressurized leaking stoppage method of GIS device |
-
2016
- 2016-06-21 CN CN201620618962.8U patent/CN205863054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350429A (en) * | 2019-07-10 | 2019-10-18 | 南通世睿电力科技有限公司 | A kind of novel pressurized leaking stoppage method of GIS device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20190621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |