CN107393752A - A kind of input unit of waterproof - Google Patents
A kind of input unit of waterproof Download PDFInfo
- Publication number
- CN107393752A CN107393752A CN201710731869.7A CN201710731869A CN107393752A CN 107393752 A CN107393752 A CN 107393752A CN 201710731869 A CN201710731869 A CN 201710731869A CN 107393752 A CN107393752 A CN 107393752A
- Authority
- CN
- China
- Prior art keywords
- mechanical switch
- input unit
- pcb board
- unit according
- switch
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- H01H13/704—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 the layers, e.g. by their material or structure
Landscapes
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to input unit technical field, more particularly to a kind of input unit of waterproof.It includes a pcb board, a panel, at least two mechanical switch and at least two keycaps being engaged with the mechanical switch, the panel is above pcb board, the mechanical switch is electrically connected at the pcb board, the pcb board bottom surface is also sticked and has at least four conductive sleeves, each mechanical switch is electrically connected with corresponding two conductive sleeves, one is additionally provided between the mechanical switch and the keycap has flexible protective cover, the protective cover has an opening, and the mechanical switch is connected through the opening with the keycap.Mechanical switch, which may be inserted into conductive sleeve, realizes stable, effective be electrically connected with；And the increased flexible boot between keycap and mechanical switch, in the case where neither influenceing mechanical switch feel, and can is effectively isolated the liquid and dust fallen into from panel.
Description
Technical field
The present invention relates to input unit technical field, more particularly to a kind of mounting structure to mechanical switch in mechanical keyboard
And the improved technology of waterproof.
Background technology
Mechanical keyboard is a kind of keyboard more more complicated than thin film type keyboard, and the keycap lower section of mechanical keyboard is using machinery
Switch；Mechanical keyboard cost is higher with respect to thin film type keyboard, has the features such as feel is preferable, clear, mechanical life is long, but
Mechanical switch poor-performing in terms of waterproof and dustproof, therefore failure can not be avoided the occurrence of.
The mechanical switch of existing machinery keyboard is directly welded on pcb board, and its defect is obviously：Mechanical switch one
There is bad or damage in denier, changes that mechanical switch difficulty is big, and maintenance cost is high, terminal user typically can not self-changeable, even if
It can change, lose time to grow, the hidden danger of welding also be present；In addition, this prior art also hinders terminal user to be liked according to itself
The good different key to keyboard voluntarily selects different types of mechanical switch.
In order to solve the problems, such as that mechanical switch replacing is difficult, prior art provides a kind of mechanical keyboard, is welded on pcb board
A conducting strip is connect, grafting pin and the conducting strip of mechanical switch form single-contact, be electrically connected with so as to realize.This technology
Although solving the problems, such as that mechanical switch is welded on pcb board to lead to not be convenient for changing, its defect is also apparent：Machinery
The grafting pin material of switch is general partially soft, flexural deformation easily occurs, and the situation of loose contact easily occurs in single-contact, this
Outside, conducting strip directly exposed be welded on pcb board also easily causes pine to drag, it is easier to is influenceed to connect by steam, dust
Touch bad.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of input unit, and not only can easily change machinery opens
Close, and can effective waterproof and dustproof.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of input unit of waterproof, it include a pcb board, a panel, at least two mechanical switch and at least two with
The keycap that the mechanical switch is engaged, above pcb board, the mechanical switch is electrically connected at described the panel
Pcb board, the pcb board bottom surface, which is also sticked, at least four conductive sleeves, and each mechanical switch described in corresponding two with leading
Electricity set is electrically connected with, and one is additionally provided between the mechanical switch and the keycap has flexible protective cover, and the protective cover has
One opening, the mechanical switch are connected through the opening with the keycap.
After such structure, mechanical switch, which may be inserted into conductive sleeve, realizes stable, effective be electrically connected with.Lead
Electricity set uses the practice of conducting strip than prior art, hence it is evident that improves the validity and stability of electrical connection；And keycap with
Increased flexible boot between mechanical switch, in the case where neither influenceing mechanical switch feel, and can is effectively isolated from face
The liquid and dust that plate is fallen into.
Described protective cover is made of rubber or PU materials.
The mechanical switch has an axle center, and the opening of the protective cover matches with the axle center, and the axle center can be from institute
Opening is stated to stretch out so as to be connected with the keycap.It so can further reduce the possibility that liquid and dust are fallen into.
The conductive sleeve is provided with jack in cylinder, the top of the conductive sleeve, and the mechanical switch is plugged on the conductive sleeve
Jack in.
The bottom of the mechanical switch is provided with grafting pin, and the jack on the conductive sleeve connects with the grafting pin interference
Connect.Interference connection allows mechanical switch to realize more stable electric connection with conductive sleeve.
Pcb board is provided with the pin through hole corresponding with the jack, and the grafting pin of the mechanical switch penetrates described
Pin through hole, jack, and with the conductive sleeve grafting.
Preferably, the panel is provided with switch hole corresponding with each mechanical switch, and described mechanical switch is provided with bullet
Property shackle member, the mechanical switch pass through the resilient clamp member and the switch hole flexible clamping.The shackle member can be easily
Realize engaging and unblock.
Further improve, be additionally provided with convex edge on the switch hole of the panel, prevent liquid from flowing into.
Preferably, the bottom of the mechanical switch is additionally provided with positioning head, and the pcb board is provided with what is coordinated with the positioning head
Positioning hole.When installing mechanical switch, positioning hole helps to ensure the accuracy of position.
Specifically, the input unit is a mechanical keyboard.
By read and with reference to the following drawings and embodiment explanation, will may be more readily understood and grasp this hair
The characteristics of bright.
Brief description of the drawings
Fig. 1 is the part isometric structural representation of an embodiment provided by the invention；
Fig. 2 is the side structure schematic view of an embodiment provided by the invention；
Fig. 3 is the decomposing schematic representation of an embodiment provided by the invention.
Embodiment
In order that the technical problems to be solved by the invention, technical scheme and advantage are more clearly understood, below in conjunction with attached
Figure and embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
The present invention is explained, is not intended to limit the present invention.
All accompanying drawing 1-3 only disclose the part being closely related with the present invention, rather than the entire infrastructure of input unit.
The first embodiment of the present invention as Figure 1-3, for a key in a mechanical keyboard, so-called mechanical keyboard system
Employ the keyboard of mechanical switch.Referring to Fig. 1 and Fig. 3, the mechanical keyboard includes pcb board 1, panel 5, mechanical switch 2, keycap
3rd, conductive sleeve 4 and protective cover 6.Pcb board 1 is also referred to as circuit board, is electrically connected with more than two mechanical switch 2, each machine
The bottom of tool switch 2 is designed with two pieces of grafting pins 21, is electrically connected with pcb board 1 by inserting two corresponding conductive sleeves 4
Connect, the top of axle center 23 of each mechanical switch 2 is plugged with a corresponding keycap 3.
As shown in figure 3, protective cover 6 has flexibility, you can with flexural deformation as needed, can use rubber or PU materials
It is made.The upper surface of the protective cover 6 has an opening 61, the axle that the size shape of the opening 61 should try one's best with mechanical switch 2
The heart 23 matches, i.e., fit clearance between the two should be sufficiently small, but does not influence moving up and down for axle center 23, the axle center 23
It can be stretched out from the opening 61 so as to be connected with the keycap 3.It so can further reduce the possibility that liquid and dust are fallen into
Property.
As shown in Fig. 2 conductive sleeve 4 is attached at the bottom surface of pcb board 1 using prior art.So, mechanical switch 2 can be with
Insert in conductive sleeve 4 and realize stable, effective be electrically connected with.Conductive sleeve 4 directly welds the practice of conducting strip than prior art,
The validity of grafting is significantly improved, in addition, conductive sleeve 4 is attached at the bottom surface of pcb board 1, the upper table without being arranged at pcb board 1
Face, it is intended to avoid increasing the height of whole button, otherwise will influence the luminous effect of the LED electroluminescent lamps that paster is set on pcb board 1
Fruit.What is more important, separated between conductive sleeve 4 and mechanical switch 2 by pcb board 1, additionally aid to avoid frequently changing machinery and open
The steadiness of conductive sleeve 4 is had influence on when closing 2, more maintenance replacing easily can be carried out to conductive sleeve 4.
With reference to figure 3, the bottom of each mechanical switch 2 is equipped with two grafting pins 21, two grafting pins 21
It is connected respectively with corresponding two conductive sleeves 4.Preferably, in the present embodiment, the conductive sleeve 4 is using electricity such as copper
Good conductor material, be designed as cylinder, can also be designed as the approximate shapes such as truncated cone-shaped as needed.In the conductive sleeve 4 and PCB
Plate 1 is electrically connected with, and is provided with jack 41 in upper end position, and the mechanical switch 2 is plugged in the jack of the conductive sleeve 4,
So as to realize the electric connection of mechanical switch 2 and pcb board 1.Conductive sleeve 4 can take various prior arts to be integrally formed or rush
The modes such as pressure, welding manufacture.
More specifically, in the present embodiment, the jack 41 on the conductive sleeve is connected with the interference of grafting pin 21, existing
In connection, only a face leans the conducting strip that technology uses with grafting pin, it is difficult to forms stabilization, is reliably electrically connected
Connect, in addition, the quality of grafting pin is partially soft, after multiple grafting, is easily bent deformation, reduce further the stabilization of electrical connection
Property.The interference connection that the present invention uses, refer to realize connection by the cooperation interference between part, to ensure on mechanical switch 2
Grafting pin 21 can realize more stable electric connection with conductive sleeve 4.Certainly, the degree of interference connection should be appropriate,
Not influence plug by hand for principle.
More specifically, as shown in figure 3, the pcb board 1 is provided with and two jacks 41 of conductive sleeve 4 are corresponding draws
Pin through hole 11, the grafting pin 21 of the mechanical switch 2 also cross the pin through hole 11 and jack 41, and with the conduction
Set 4 is connected, and finally realizes the electric connection between mechanical switch 2 and pcb board 1.
The described bottom of mechanical switch 2 is additionally provided with positioning head 22, and the pcb board 1 is provided with to coordinate with positioning head 22 and positioned
Positioning hole 12；When positioning head 22 is inserted in positioning hole 12, strengthen the mechanical connection stability between mechanical switch 2 and pcb board 1
With electric connection stability.In order to strengthen the stability of grafting between the axle center 23 of mechanical switch 2 and keycap 3, the axle of mechanical switch 2
The heart 23 is provided with locating groove (not shown), is provided with the inserting groove (not shown) of keycap 3 and coordinates with locating groove
Fixture block.
Panel 5 is parallel located at the top of pcb board 1, panel 5 can be specifically fixed on pcb board 1 using prior art.Panel 5
Switch hole 51 corresponding with each mechanical switch 2 is provided with, the side wall of described mechanical switch 2 is provided with resilient clamp member 24, machine
Tool switch 2 is embedded in the switch hole 51 of panel 5, the resilient clamp member 24 and the flexible clamping of switch hole 51；Work as needs
When changing mechanical switch 2, pressing resilient clamp member 24 easily can extract mechanical switch 2；The top of each mechanical switch 2 connects
The keycap 3 connect is located at the top of panel 5.In order to realize the waterproof effect of the present embodiment, switch hole 51 on described panel 5
Orifice position is provided with convex edge (not shown), and the convex edge can prevent from splashing water on panel 5 or other liquid from switch
Hole 51 is flowed into keyboard or mechanical switch 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of input unit of waterproof, it includes a pcb board, a panel, at least two mechanical switch and at least two and institute
The keycap that mechanical switch is engaged is stated, for the panel above pcb board, the mechanical switch is electrically connected at the PCB
Plate, it is characterised in that：The pcb board bottom surface, which is also sticked, at least four conductive sleeves, each mechanical switch and corresponding two
The individual conductive sleeve is electrically connected with, and one is additionally provided between the mechanical switch and the keycap has flexible protective cover, and this is anti-
Shield has an opening, and the mechanical switch is connected through the opening with the keycap.
2. input unit according to claim 1, it is characterised in that：Described protective cover is to use rubber or PU material systems
Into.
3. input unit according to claim 1, it is characterised in that：The mechanical switch has an axle center, the protection
The opening of cover matches with the axle center, and the axle center can be stretched out from the opening so as to be connected with the keycap.
4. input unit according to claim 3, it is characterised in that：The conductive sleeve in cylinder, the conductive sleeve it is upper
Portion is provided with jack, and the mechanical switch is plugged in the jack of the conductive sleeve.
5. input unit according to claim 4, it is characterised in that：The bottom of the mechanical switch is provided with grafting pin,
Jack on the conductive sleeve is connected with the grafting pin interference.
6. input unit according to claim 5, it is characterised in that：Pcb board is provided with corresponding with the jack draw
Pin through hole, the grafting pin of the mechanical switch penetrate the pin through hole, jack, and with the conductive sleeve grafting.
7. input unit according to claim 6, it is characterised in that：The panel is provided with corresponding with each mechanical switch
Switch hole, described mechanical switch are provided with resilient clamp member, and the mechanical switch passes through the resilient clamp member and the switch
Hole flexible clamping.
8. input unit according to claim 7, it is characterised in that：Convex edge is additionally provided with the switch hole of the panel, is prevented
Only liquid flows into.
9. input unit according to claim 8, it is characterised in that：The bottom of the mechanical switch is additionally provided with positioning head,
The pcb board is provided with the positioning hole coordinated with the positioning head.
10. input unit according to claim 9, it is characterised in that：The input unit is a mechanical keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731869.7A CN107393752A (en) | 2017-08-23 | 2017-08-23 | A kind of input unit of waterproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731869.7A CN107393752A (en) | 2017-08-23 | 2017-08-23 | A kind of input unit of waterproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107393752A true CN107393752A (en) | 2017-11-24 |
Family
ID=60345177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731869.7A Withdrawn CN107393752A (en) | 2017-08-23 | 2017-08-23 | A kind of input unit of waterproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107393752A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171162A (en) * | 2002-11-19 | 2004-06-17 | Hori Co Ltd | Controller |
| CN205121479U (en) * | 2015-10-29 | 2016-03-30 | 余月平 | Keyboard and built -in connector thereof |
| CN205427773U (en) * | 2015-12-01 | 2016-08-03 | 东莞市威健电子有限公司 | But exempt from welding plug -in keyboard |
| CN205942621U (en) * | 2016-07-27 | 2017-02-08 | 东莞市凯华电子有限公司 | Novel keyboard structure |
| CN106486312A (en) * | 2015-09-01 | 2017-03-08 | 李学军 | A kind of waterproof and dustproof structure of mechanical keyboard |
| CN206147527U (en) * | 2016-05-25 | 2017-05-03 | 东莞市索艾电子科技有限公司 | Can freely change keyboard of mechanical axis |
-
2017
- 2017-08-23 CN CN201710731869.7A patent/CN107393752A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171162A (en) * | 2002-11-19 | 2004-06-17 | Hori Co Ltd | Controller |
| CN106486312A (en) * | 2015-09-01 | 2017-03-08 | 李学军 | A kind of waterproof and dustproof structure of mechanical keyboard |
| CN205121479U (en) * | 2015-10-29 | 2016-03-30 | 余月平 | Keyboard and built -in connector thereof |
| CN205427773U (en) * | 2015-12-01 | 2016-08-03 | 东莞市威健电子有限公司 | But exempt from welding plug -in keyboard |
| CN206147527U (en) * | 2016-05-25 | 2017-05-03 | 东莞市索艾电子科技有限公司 | Can freely change keyboard of mechanical axis |
| CN205942621U (en) * | 2016-07-27 | 2017-02-08 | 东莞市凯华电子有限公司 | Novel keyboard structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |
|
| WW01 | Invention patent application withdrawn after publication |