CN205723275U - Dustproof keyboard switchs - Google Patents
Dustproof keyboard switchs Download PDFInfo
- Publication number
- CN205723275U CN205723275U CN201620224895.1U CN201620224895U CN205723275U CN 205723275 U CN205723275 U CN 205723275U CN 201620224895 U CN201620224895 U CN 201620224895U CN 205723275 U CN205723275 U CN 205723275U
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- China
- Prior art keywords
- contact spring
- die cavity
- movable contact
- spring piece
- static contact
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Abstract
This utility model relates to keyboard switch field, it is specifically related to a kind of dustproof keyboard switch, including lid, pedestal, movable contact spring, static contact spring piece, for control movable contact spring movable and contact with static contact spring piece lead core, for leading the elastomer that core resets, lead core central authorities and offer the guide hole for installing elastomer, guide hole outer wall and lead and form the first die cavity between in-core wall, one is upwardly formed for installing the guide posts of elastomer at pedestal correspondence guide hole, the second die cavity is formed between guide posts outer wall and base vivo wall, first die cavity is mobilizable is installed on Second-Type intracavity, described movable contact spring and static contact spring piece are arranged at the first die cavity and the second die cavity encloses in the space of formation, and the contact point of movable contact spring and static contact spring piece is arranged at the first die cavity and the second die cavity encloses in the space of formation.This utility model can prevent dust entrance, protection electronic devices and components, easy to use and service life is long.
Description
Technical field
This utility model relates to keyboard switch art, refers in particular to a kind of dustproof keyboard switch.
Background technology
Keyboard switch, as the term suggests being a kind of switch applied and be installed on keyboard, the primary structure of this switch includes pedestal, upper cover, static contact, movable contact spring and button, this upper cover and pedestal enclose formation containing cavity, this static contact, movable contact spring and button are arranged in this containing cavity, and one end of this button exposes outside containing cavity, by pressing operational and controlled key button, make button up and down, and then act on movable contact spring by button, make movable contact spring contact connection with static contact or disengaging separates, it is achieved the opening and closing of keyboard.
The keyboard switch of prior art, when original state, the completely enclosed firmly button surrounding of upper cover, therebetween there is no gap, now dust will not enter key inside, but when key press on earth time, owing to the surrounding of button and upper cover exists gap, dust can enter in these gaps, accumulating over a long period, dust can enter in movable contact spring, static contact and circuit board, pollutes these electronic devices and components, cause malfunctioning switch so that keyboard switch in-convenience in use and service life shorter.
Utility model content
For solving the problems referred to above, this utility model provides a kind of can prevent dust entrance, protection electronic devices and components, the easy to use and dustproof keyboard switch of length in service life.
nullThe technical scheme is that dustproof keyboard of this utility model switchs，Including lid、Pedestal、Movable contact spring、Static contact spring piece、For control movable contact spring movable and contact with static contact spring piece lead core、For leading the elastomer that core resets，Described lid snap is on pedestal，Described movable contact spring and static contact spring piece may be contained within pedestal，Described core one end of leading can be installed on pedestal up and downly，The other end wears described lid，The described core central authorities that lead offer the guide hole for installing elastomer，Described guide hole outer wall and lead and form the first die cavity between in-core wall，One is upwardly formed for installing the guide posts of elastomer at described pedestal correspondence guide hole，The second die cavity is formed between described guide posts outer wall and base vivo wall，Described first die cavity is mobilizable is installed on Second-Type intracavity，Described movable contact spring and static contact spring piece are arranged at the first die cavity and the second die cavity encloses in the space of formation，And the contact point of movable contact spring and static contact spring piece is arranged at the first die cavity and the second die cavity encloses in the space of formation.
Being improved to further technique scheme, described movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the first die cavity, and described movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the second die cavity.
Being improved to further technique scheme, described movable contact spring is provided with movable contact and the first welding foot, and described static contact spring piece is provided with stationary contact and the second welding foot, and described movable contact and stationary contact are oppositely arranged and are respectively positioned on Second-Type intracavity.
Being improved to further technique scheme, described Second-Type intracavity is provided with the first draw-in groove for installing movable contact spring and for installing the second draw-in groove of static contact spring piece, and described first welding foot and the second welding foot are stretched out outside pedestal by the first draw-in groove and the second draw-in groove respectively.
Being improved to further technique scheme, described elastomer is spring.
The beneficial effects of the utility model are:
1, when keyboard switch of the present utility model is in free state, movable contact spring and static contact spring piece are not affected by leading the active force of core, the two conducting, owing to the two contact point is in the first die cavity and the second die cavity enclose the space of formation, dust can be avoided to fall into the contact point of movable contact spring and static contact spring piece, prevent these electronic devices and components to be contaminated, cause keyboard switch malfunctioning, the service life of prolonging keyboard switch；Move downward after leading core stress, the inclined-plane be installed on Second-Type intracavity owing to the first die cavity is mobilizable, leading core can snap between movable contact spring and the contact point of static contact spring piece, make the two disconnect, now it is still located at the first die cavity due to movable contact spring and static contact spring piece and the second die cavity encloses in the space of formation, do not have dust and enter this space, play dust-proof effect.
2, movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the first die cavity, and movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the second die cavity, simple and compact for structure, reasonable in design.
3, movable contact spring is provided with movable contact and the first welding foot, static contact spring piece is provided with stationary contact and the second welding foot, movable contact and stationary contact are oppositely arranged and are respectively positioned on Second-Type intracavity, Second-Type intracavity is provided with the first draw-in groove for installing movable contact spring and is stretched out outside pedestal by the first draw-in groove and the second draw-in groove respectively for installing the second draw-in groove of static contact spring piece, the first welding foot and the second welding foot.Movable contact spring is installed on pedestal by the first draw-in groove, and static contact spring piece is installed on pedestal by the second draw-in groove, and movable contact spring and static contact spring piece firmly install, are difficult to loosen, and advantageously ensures that the sensitivity of keyboard switch and the convenience of use.
4, elastomer is spring, good springiness, highly sensitive, is further ensured that the sensitivity of keyboard switch and the convenience of use.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model；
Fig. 2 is exploded view of the present utility model；
Fig. 3 is the first subssembly drawing of the present utility model；
Fig. 4 is the second subssembly drawing of the present utility model；
Fig. 5 is the first partial sectional view of the present utility model；
Fig. 6 is the second partial sectional view of the present utility model；
Fig. 7 is the structural representation of movable contact spring of the present utility model；
Fig. 8 is the structural representation of static contact spring piece of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
As shown in figs. 1 to 6, axonometric chart the most of the present utility model, exploded view, the subssembly drawing of different parts, the partial sectional view of different parts.
Dustproof keyboard switch 100, including lid 110, pedestal 120, movable contact spring 130, static contact spring piece 140, for control movable contact spring 130 movable and contact with static contact spring piece 140 lead core 150, for leading the elastomer 160 of core 150 reset, lid 110 is fastened on pedestal 120, movable contact spring 130 and static contact spring piece 140 may be contained within pedestal 120, leading core 150 one end can be installed on pedestal 120, the other end wears lid 110 up and downly.
Lead core 150 central authorities and offer the guide hole 151 for installing elastomer 160, guide hole 151 outer wall and lead and form the first die cavity 152 between core 150 inwall, one is upwardly formed for installing the guide posts 121 of elastomer 160 at the corresponding guide hole 151 of pedestal 120, forming the second die cavity 122 between guide posts 121 outer wall and pedestal 120 inwall, the first die cavity 152 is mobilizable to be installed in the second die cavity 122.
Movable contact spring 130 and static contact spring piece 140 are arranged at the first die cavity 152 and the second die cavity 122 encloses in the space of formation, and the contact point of movable contact spring 130 and static contact spring piece 140 is arranged at the first die cavity 152 and the second die cavity 122 encloses in the space of formation.
Movable contact spring 130 and static contact spring piece 140 lay respectively at the adjacent both sides of the first die cavity 152, movable contact spring 130 and static contact spring piece 140 and lay respectively at the adjacent both sides of the second die cavity 122, simple and compact for structure, reasonable in design.
As shown in Fig. 7～8, the structural representation of movable contact spring the most of the present utility model and the structural representation of static contact spring piece.
Movable contact spring 130 is provided with movable contact 131 and the first welding foot 132, static contact spring piece 140 is provided with stationary contact 141 and the second welding foot 142, movable contact 131 and stationary contact 141 are oppositely arranged and are respectively positioned in the second die cavity 122, being provided with the first draw-in groove 123 for installing movable contact spring 130 in second die cavity 122 and for installing the second draw-in groove 124 of static contact spring piece 140, it is outside that the first welding foot 132 and the second welding foot 142 stretch out pedestal 120 by the first draw-in groove 123 and the second draw-in groove 124 respectively.Movable contact spring 130 is installed on pedestal 120 by the first draw-in groove 123, static contact spring piece 140 is installed on pedestal 120 by the second draw-in groove 124, movable contact spring 130 and static contact spring piece 140 firmly install, are difficult to loosen, and advantageously ensure that the sensitivity of keyboard switch 100 and the convenience of use.
Elastomer 160 is spring, good springiness, highly sensitive, is further ensured that the sensitivity of keyboard switch 100 and the convenience of use.
The operation principle of the present invention is:
Assembling process is, first, static contact spring piece 140 and movable contact spring 130 is installed on pedestal 120 so that the first welding foot 132 of movable contact spring 130 and the second welding foot 142 of static contact spring piece 140 all extend downwardly from pedestal 120；Secondly, it is connected to spring lead below the guide hole 151 of core 150, guide hole 151 is moving up and down to be set in outside guide posts 121, spring is also set in outside guide posts 121 simultaneously, the lower end of spring embeds in pedestal 120, then, is arranged at moving up and down for the one end leading core 150 on pedestal 120, finally, the other end leading core 150 is worn lid 110.
Dust-proof principle is: when keyboard switch 100 of the present utility model is in free state, movable contact spring 130 and static contact spring piece 140 are not affected by leading the active force of core 150, movable contact 131 connects with stationary contact 141, owing to connectivity points is in the first die cavity 152 and the second die cavity 122 enclose the space of formation, dust can be avoided to fall into movable contact spring 130 and the contact point of static contact spring piece 140, prevent these electronic devices and components to be contaminated, cause keyboard switch 100 malfunctioning, the service life of prolonging keyboard switch 100；Move downward after leading core 150 stress, the inclined-plane 153 being installed in the second die cavity 122, leading core 150 owing to the first die cavity 152 is mobilizable can snap between movable contact 131 and stationary contact 141, make the two disconnect, now it is still located at the first die cavity 152 due to movable contact spring 130 and static contact spring piece 140 and the second die cavity 122 encloses in the space of formation, do not have dust and enter this space, play dust-proof effect.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (5)
- null1. dustproof keyboard switch，Including lid、Pedestal、Movable contact spring、Static contact spring piece、For control movable contact spring movable and contact with static contact spring piece lead core、For leading the elastomer that core resets，Described lid snap is on pedestal，Described movable contact spring and static contact spring piece may be contained within pedestal，Described core one end of leading can be installed on pedestal up and downly，The other end wears described lid，It is characterized in that: described in lead core central authorities and offer the guide hole for installing elastomer，Described guide hole outer wall and lead and form the first die cavity between in-core wall，One is upwardly formed for installing the guide posts of elastomer at described pedestal correspondence guide hole，The second die cavity is formed between described guide posts outer wall and base vivo wall，Described first die cavity is mobilizable is installed on Second-Type intracavity，Described movable contact spring and static contact spring piece are arranged at the first die cavity and the second die cavity encloses in the space of formation，And the contact point of movable contact spring and static contact spring piece is arranged at the first die cavity and the second die cavity encloses in the space of formation.
- Dustproof keyboard the most according to claim 1 switchs, it is characterised in that: described movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the first die cavity, and described movable contact spring and static contact spring piece lay respectively at the adjacent both sides of the second die cavity.
- Dustproof keyboard the most according to claim 2 switchs, it is characterized in that: described movable contact spring is provided with movable contact and the first welding foot, described static contact spring piece is provided with stationary contact and the second welding foot, and described movable contact and stationary contact are oppositely arranged and are respectively positioned on Second-Type intracavity.
- Dustproof keyboard the most according to claim 3 switchs, it is characterized in that: described Second-Type intracavity is provided with the first draw-in groove for installing movable contact spring and for installing the second draw-in groove of static contact spring piece, and described first welding foot and the second welding foot are stretched out outside pedestal by the first draw-in groove and the second draw-in groove respectively.
- Dustproof keyboard the most according to claim 4 switchs, it is characterised in that: described elastomer is spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911905 | 2015-11-17 | ||
| CN2015209119054 | 2015-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723275U true CN205723275U (en) | 2016-11-23 |
Family
ID=57313878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620224895.1U Expired - Fee Related CN205723275U (en) | 2015-11-17 | 2016-03-23 | Dustproof keyboard switchs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068461A (en) * | 2017-05-25 | 2017-08-18 | 惠州冠泰电子有限公司 | A kind of horizontal thin type switch |
| CN107154198A (en) * | 2017-07-08 | 2017-09-12 | 刘彭 | A kind of new piano playing teaching auxiliary device suitable for child with hearing impairment |
| CN107424858A (en) * | 2017-05-25 | 2017-12-01 | 惠州冠泰电子有限公司 | It is a kind of to press sincere slim switch greatly |
-
2016
- 2016-03-23 CN CN201620224895.1U patent/CN205723275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068461A (en) * | 2017-05-25 | 2017-08-18 | 惠州冠泰电子有限公司 | A kind of horizontal thin type switch |
| CN107424858A (en) * | 2017-05-25 | 2017-12-01 | 惠州冠泰电子有限公司 | It is a kind of to press sincere slim switch greatly |
| CN107154198A (en) * | 2017-07-08 | 2017-09-12 | 刘彭 | A kind of new piano playing teaching auxiliary device suitable for child with hearing impairment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 1A, Lin Dong two road, Lin Cun, Tangxia Town, Dongguan, Guangdong Patentee after: Dongguan Kaihua Electronics Co., Ltd. Address before: 523000 Lin Cun industrial center, Tangxia Town, Dongguan, Guangdong Patentee before: Dongguan Kaihua Electronics Co., Ltd. |
|
| 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: 20161123 Termination date: 20210323 |