CN205487869U - But plug stand alone type direct capacitance keyboard switch - Google Patents
But plug stand alone type direct capacitance keyboard switch Download PDFInfo
- Publication number
- CN205487869U CN205487869U CN201620073698.4U CN201620073698U CN205487869U CN 205487869 U CN205487869 U CN 205487869U CN 201620073698 U CN201620073698 U CN 201620073698U CN 205487869 U CN205487869 U CN 205487869U
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- CN
- China
- Prior art keywords
- push rod
- spring
- keyboard switch
- keycap push
- spacing card
- 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.)
- Expired - Fee Related
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The utility model discloses a but plug stand alone type direct capacitance keyboard switch aims at providing a simple structure, simple to operate, the easy but plug stand alone type direct capacitance keyboard switch who changes. But plug stand alone type direct capacitance keyboard switch is integrative including constituteing combination formula right cone dual spring (1), key base, key cap push rod and spacing card, spacing card (4) will key cap push rod (3) lower partial combination formula right cone dual spring (1) encapsulation is in in the accommodation space. The utility model discloses be applied to direct capacitance keyboard switch's technical field.
Description
Technical field
This utility model relates to switch, holds keyboard switch particularly to a kind of pluggable free-standing electrostatically.
Background technology
Office at present and gamepad are distinguished with keyboard switch two big class and groups: two big classes are membrane keyboard and mechanical keyboard, and a group is silica gel bowl direct capacitance keyboard.The silver slurry contact of the first big class thin-film keyboard switch easily aoxidizes, silica gel bowl fatiguability；The same oxidation problems of hard contact of second largest class mechanical keyboard switch, it is higher to using environmental requirement, and dust and liquid are the lethal factors of mechanical switch shortening in service life；3rd group is silica gel bowl direct capacitance keyboard switch, is also limited service life by silica gel bowl its service life, and it is inconvenient that switch pole is changed in repair demolition.In sum, the keyboard switch of prior art has following deficiency: physical contact is oxidizable, elastic silica gel fatiguability, and easy care is not changed and actual life is shorter.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, pluggable free-standing electrostatically easy for installation, easily changeable hold keyboard switch.
This utility model be the technical scheme is that described pluggable free-standing electrostatically holds keyboard switch and includes combination type right cone dual spring, keyseat, keycap push rod and spacing card, is provided with accommodation space in described keyseat；Described keycap push rod is positioned at described accommodation space and is slidably connected with described keyseat, and the top of the most described keycap push rod passes the top to described keyseat from described accommodation space；Described spacing card be provided with described combination type right cone dual spring bottom suitable resigning hole, described combination type right cone dual spring is between described keycap push rod and described spacing card, and the lower part of described keycap push rod, described combination type right cone dual spring are encapsulated in described accommodation space by described spacing card.
Further, the tangent plane bottom described volute spring is in the same plane with the bottom surface of described spacing card.
Further, the outside of described keyseat is provided with several ear cards suitable with keyboard installing plate.
Further, described pluggable free-standing electrostatically holds the direct capacitance sensing PCB pole plate that keyboard switch also includes being positioned at below described spacing card, is provided with waterproof sealing plate below described spacing card and between the non-inductive district of described direct capacitance sensing PCB pole plate；The sidepiece of described keycap push rod is provided with spacing ring, and described spacing ring withstands on the inwall of described accommodation space, is provided with vibration damping cushion rubber between the inwall of described spacing ring and described accommodation space.
Further, described combination type right cone dual spring includes that keycap push rod back-moving spring and volute spring, the bottom of described keycap push rod back-moving spring are connected with the bottom of described volute spring after entangling the top of described volute spring.
Further, described keycap push rod back-moving spring is one-body molded with described volute spring.
Further, described combination type right cone dual spring includes that connection strap, the bottom of described keycap push rod back-moving spring are connected with described volute spring by described connection strap, and the bottom of described volute spring is less than the bottom of described keycap push rod back-moving spring.
Further, the inwall of the described resigning hole of described spacing card is provided with the slot to make way suitable with described connection strap, described spacing card be provided above with spacing preiection, described keycap push rod back-moving spring is socketed in described spacing preiection, described connection strap is positioned at described slot to make way, so that the bottom of described volute spring is absorbed in described resigning hole, and the tangent plane bottom described volute spring is in the same plane with the bottom surface of described spacing card.
Further, described keycap push rod back-moving spring, described volute spring and described connection strap are one-body molded.
Further, described keycap push rod back-moving spring is straight compression spring.
The beneficial effects of the utility model are: use design pluggable, freestanding owing to described pluggable free-standing electrostatically holds keyboard switch, described pluggable free-standing electrostatically holds keyboard switch and includes combination type right cone dual spring, keyseat, keycap push rod and spacing card, is provided with accommodation space in described keyseat；Described keycap push rod is positioned at described accommodation space and is slidably connected with described keyseat, and the top of the most described keycap push rod passes the top to described keyseat from described accommodation space；Described spacing card be provided with described combination type right cone dual spring bottom suitable resigning hole, described combination type right cone dual spring is between described keycap push rod and described spacing card, and the lower part of described keycap push rod, described combination type right cone dual spring are encapsulated in described accommodation space by described spacing card.So, described pluggable free-standing electrostatically holds keyboard switch simple in construction, becomes independent element when in use, can be individually attached and dismantle, easily facilitate replacing.
Simultaneously, owing to described combination type right cone dual spring uses combination type design, described combination type right cone dual spring includes that keycap push rod back-moving spring and volute spring, the bottom of described keycap push rod back-moving spring are connected with the bottom of described volute spring after entangling the top of described volute spring.So this utility model simple in construction, easy for installation, the product being installed separately relative to back-moving spring and volute spring, described combination type right cone dual spring does not easily cause the loss of part, is favorably improved production efficiency high.
Additionally, owing to described combination type right cone dual spring includes connection strap, the bottom of described keycap push rod back-moving spring is connected with described volute spring by described connection strap, the bottom of described volute spring is less than the bottom of described keycap push rod back-moving spring, the inwall of the described resigning hole of described spacing card is provided with the slot to make way suitable with described connection strap, described spacing card be provided above with spacing preiection, described keycap push rod back-moving spring is socketed in described spacing preiection, described connection strap is positioned at described slot to make way, so that the bottom of described volute spring is absorbed in described resigning hole, and the tangent plane bottom described volute spring is in the same plane with the bottom surface of described spacing card, so, described combination type right cone dual spring can meet installation requirement and the operating accuracy of corresponding product well.
Accompanying drawing explanation
Fig. 1 is the structural representation of described keyseat 2；
Fig. 2 is the structural representation of described keycap push rod 3；
Fig. 3 is the structural representation of described combination type right cone dual spring 1；
Fig. 4 is the structural representation of described spacing card 4；
Fig. 5 is the explosive view that described pluggable free-standing electrostatically holds keyboard switch；
Fig. 6 is the combinative structure schematic diagram that described pluggable free-standing electrostatically holds keyboard switch.
Detailed description of the invention
As shown in Figures 1 to 6, in the present embodiment, described pluggable free-standing electrostatically holds keyboard switch and includes combination type right cone dual spring 1, keyseat 2, keycap push rod 3 and spacing card 4, is provided with accommodation space 21 in described keyseat 2；Described keycap push rod 3 is positioned at described accommodation space 21 and is slidably connected with described keyseat 2, and the top of the most described keycap push rod 3 passes the top to described keyseat 2 from described accommodation space 21；Described spacing card 4 be provided with described combination type right cone dual spring 1 bottom suitable resigning hole 41, described combination type right cone dual spring 1 is between described keycap push rod 3 and described spacing card 4, and the lower part of described keycap push rod 3, described combination type right cone dual spring 1 are encapsulated in described accommodation space 21 by described spacing card 4.
In the present embodiment, the tangent plane bottom described volute spring 12 is in the same plane with the bottom surface of described spacing card 4.
In the present embodiment, described combination type right cone dual spring 1 includes connection strap 13, the bottom of described keycap push rod back-moving spring 11 is connected with described volute spring 12 by described connection strap 13, the bottom of described volute spring 12 is less than the bottom of described keycap push rod back-moving spring 11, the inwall of the described resigning hole 41 of described spacing card 4 is provided with the slot to make way 42 suitable with described connection strap 13, described spacing card 4 be provided above with spacing preiection 43, described keycap push rod back-moving spring 11 is socketed in described spacing preiection 43, described connection strap 13 is positioned at described slot to make way 42, so that the bottom of described volute spring 12 is absorbed in described resigning hole 41, and the tangent plane bottom described volute spring 12 is in the same plane with the bottom surface of described spacing card 4.
In the present embodiment, the outside of described keyseat 2 is provided with several ear cards 22 suitable with keyboard installing plate, can facilitate and be fixed on the iron plate of keyboard by described pluggable free-standing electrostatically appearance keyboard switch, safeguard that dismounting this switch of displacement is the most very convenient, this switch has warm connection function.
In the present embodiment, described pluggable free-standing electrostatically holds the direct capacitance sensing PCB pole plate 5 that keyboard switch also includes being positioned at below described spacing card 4, is provided with waterproof sealing plate below described spacing card 4 and between the non-inductive district of described direct capacitance sensing PCB pole plate 5；The sidepiece of described keycap push rod 3 is provided with spacing ring 31, and described spacing ring 31 withstands on the inwall of described accommodation space 21, is provided with vibration damping cushion rubber between described spacing ring 31 and the inwall of described accommodation space 21.
As it is shown on figure 3, in the present embodiment, described combination type right cone dual spring 1 includes that keycap push rod back-moving spring 11 and volute spring 12, the bottom of described keycap push rod back-moving spring 11 are connected with the bottom of described volute spring 12 after entangling the top of described volute spring 12.
In the present embodiment, described keycap push rod back-moving spring 11 is one-body molded with described volute spring 12.
In the present embodiment, described combination type right cone dual spring 1 includes connection strap 13, the bottom of described keycap push rod back-moving spring 11 is connected with described volute spring 12 by described connection strap 13, and the bottom of described volute spring 12 is less than the bottom of described keycap push rod back-moving spring 11.
In the present embodiment, described keycap push rod back-moving spring 11, described volute spring 12 and described connection strap 13 are one-body molded.
In the present embodiment, described keycap push rod back-moving spring 11 is straight compression spring.
The work process that described pluggable free-standing electrostatically holds keyboard switch is as follows: when described keycap push rod 3 is moved down into precalculated position, described combination type right cone dual spring 1 has certain compression displacement, when the volute spring 1 of described combination type right cone dual spring is compressed to precalculated position by described keycap push rod 3, described direct capacitance sensing PCB pole plate 5 will sense the increase compress static capacity that the volute spring 12 of described combination type right cone dual spring 1 is sensed, when the static capacity of increase reaches predetermined switch connection when opening threshold values；When unclamping described keycap push rod 3, described combination type right cone dual spring 1 resets simultaneously and is pushed up described keycap push rod 3, the volute spring 12 of described combination type right cone dual spring 1 resets, described direct capacitance sensing PCB pole plate 5 senses that volute spring 12 resets the minimizing of static capacity brought, and switches off when static capacity is reduced to predetermined disconnection threshold values.Thus complete " logical → disconnected " circulation of deuterzooid switch " press → unclamp ".
This utility model is applied to the technical field of direct capacitance keyboard switch.
Although embodiment of the present utility model describes with practical solution, but it is not intended that the restriction to this utility model implication, for those skilled in the art, will be apparent from according to this specification combination to the amendment of its embodiment and with other schemes.
Claims (10)
1. a pluggable free-standing electrostatically holds keyboard switch, it is characterized in that: described pluggable free-standing electrostatically holds keyboard switch and also includes combination type right cone dual spring (1), keyseat (2), keycap push rod (3) and spacing card (4), is provided with accommodation space (21) in described keyseat (2)；Described keycap push rod (3) is positioned at described accommodation space (21) and is slidably connected with described keyseat (2), and the top of the most described keycap push rod (3) passes the top to described keyseat (2) from described accommodation space (21)；Described spacing card (4) is provided with the resigning hole (41) suitable with described combination type right cone dual spring (1) bottom, described combination type right cone dual spring (1) is positioned between described keycap push rod (3) and described spacing card (4), and the lower part of described keycap push rod (3), described combination type right cone dual spring (1) are encapsulated in described accommodation space (21) by described spacing card (4).
Pluggable free-standing electrostatically the most according to claim 1 holds keyboard switch, it is characterised in that: the outside of described keyseat (2) is provided with several ear cards (22) suitable with keyboard installing plate.
Pluggable free-standing electrostatically the most according to claim 1 holds keyboard switch, it is characterized in that: described pluggable free-standing electrostatically holds keyboard switch and also includes being positioned at direct capacitance sensing PCB pole plate (5) of described spacing card (4) lower section, is provided with waterproof sealing plate between described spacing card (4) lower section and the non-inductive district of described direct capacitance sensing PCB pole plate (5)；The sidepiece of described keycap push rod (3) is provided with spacing ring (31), and described spacing ring (31) withstands on the inwall of described accommodation space (21), is provided with vibration damping cushion rubber between the inwall of described spacing ring (31) and described accommodation space (21).
Pluggable free-standing electrostatically the most according to claim 1 holds keyboard switch, described combination type right cone dual spring (1) includes that keycap push rod back-moving spring (11) and volute spring (12), the bottom of described keycap push rod back-moving spring (11) are connected with the bottom of described volute spring (12) after entangling the top of described volute spring (12).
Pluggable free-standing electrostatically the most according to claim 4 holds keyboard switch, it is characterised in that: described keycap push rod back-moving spring (11) is one-body molded with described volute spring (12).
Pluggable free-standing electrostatically the most according to claim 5 holds keyboard switch, it is characterized in that: described combination type right cone dual spring (1) also includes connection strap (13), the bottom of described keycap push rod back-moving spring (11) is connected with described volute spring (12) by described connection strap (13), and the bottom of described volute spring (12) is less than the bottom of described keycap push rod back-moving spring (11).
Pluggable free-standing electrostatically the most according to claim 6 holds keyboard switch, it is characterised in that: described keycap push rod back-moving spring (11), described volute spring (12) and described connection strap (13) are one-body molded.
Pluggable free-standing electrostatically the most according to claim 6 holds keyboard switch, it is characterized in that: the inwall of the described resigning hole (41) of described spacing card (4) is provided with the slot to make way (42) suitable with described connection strap (13), described spacing card (4) be provided above with spacing preiection (43), described keycap push rod back-moving spring (11) is socketed in described spacing preiection (43), described connection strap (13) is positioned at described slot to make way (42), so that the bottom of described volute spring (12) is absorbed in described resigning hole (41), and the tangent plane of described volute spring (12) bottom is in the same plane with the bottom surface of described spacing card (4).
9. hold keyboard switch according to the pluggable free-standing electrostatically described in any one of claim 4 to 8, it is characterised in that: described keycap push rod back-moving spring (11) is straight compression spring.
Pluggable free-standing electrostatically the most according to claim 4 holds keyboard switch, it is characterised in that: the tangent plane of described volute spring (12) bottom is in the same plane with the bottom surface of described spacing card (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073698.4U CN205487869U (en) | 2016-01-26 | 2016-01-26 | But plug stand alone type direct capacitance keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073698.4U CN205487869U (en) | 2016-01-26 | 2016-01-26 | But plug stand alone type direct capacitance keyboard switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487869U true CN205487869U (en) | 2016-08-17 |
Family
ID=56638729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620073698.4U Expired - Fee Related CN205487869U (en) | 2016-01-26 | 2016-01-26 | But plug stand alone type direct capacitance keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655181A (en) * | 2016-01-26 | 2016-06-08 | 珠海天亿计算机设备有限公司 | Combined type right-cone dual spring and pluggable independent direct capacitance keyboard switch |
-
2016
- 2016-01-26 CN CN201620073698.4U patent/CN205487869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655181A (en) * | 2016-01-26 | 2016-06-08 | 珠海天亿计算机设备有限公司 | Combined type right-cone dual spring and pluggable independent direct capacitance keyboard switch |
| CN105655181B (en) * | 2016-01-26 | 2017-11-17 | 珠海天亿计算机设备有限公司 | Combined type right cone dual spring and pluggable free-standing electrostatically hold keyboard switch |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180126 |