CN104299829B - Noiseless keyboard switch - Google Patents
Noiseless keyboard switch Download PDFInfo
- Publication number
- CN104299829B CN104299829B CN201410506687.6A CN201410506687A CN104299829B CN 104299829 B CN104299829 B CN 104299829B CN 201410506687 A CN201410506687 A CN 201410506687A CN 104299829 B CN104299829 B CN 104299829B
- Authority
- CN
- China
- Prior art keywords
- drive
- connecting shaft
- upper ledge
- lower frame
- movable contact
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
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- 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
- H01H13/705—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
- H01H13/7065—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 characterised by the mechanism between keys and layered keyboards
- H01H13/7073—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 characterised by the mechanism between keys and layered keyboards characterised by springs, e.g. Euler springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention discloses a kind of noiseless keyboard switch, includes pedestal, static contact, support chip, movable contact spring, lower frame, upper ledge and keycap;This movable contact spring has the first connection end, the second connection end and movable contact, and this first connection end is connected turningly with support chip and keeps in electrical contact;This upper ledge is intersected with each other with lower frame and foldable be articulated, the upper end of this upper ledge is connected between end connection with aforementioned second extension spring.Thereby, by utilize upper ledge and lower frame intersected with each other and foldable be articulated, upper ledge is coordinated to form X-type structure with lower frame, and driven movable contact spring movable by extension spring, instead of the form using guide pillar of tradition, the integral thickness making product is thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize linkage and drive movable contact spring movable, it is achieved presses under Wen Ding so that static contact is connected sensitiveer with the conducting of movable contact spring, and Contact will not produce the sound, product uses convenient.
Description
Technical field
The present invention relates to keyboard switch art, refer in particular to a kind of noiseless 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 push button element, this upper cover and pedestal enclose formation containing cavity, this static contact, movable contact spring and push button element are arranged in this containing cavity, and one end of this push button element exposes outside containing cavity, by pressing manipulation push button element, make push button element up and down, and then acting on movable contact spring by push button element so that movable contact spring contacts connection with static contact or disengaging separates.
Above-mentioned existing keyboard switch structure, though the effect of the connection being provided between user disconnection or conducting static contact and movable contact spring, really there is progressive, but have been found that when actually used in himself structure and serviceability and still suffered from many deficiencies, cause existing keyboard switch on reality is applied, fail to reach optimal using effect and task performance, now its shortcoming be summarized as follows:
The push button element of the switch of existing keyboard is guide pillar form, make whole product thickness thicker, and push button element is mounted to the bottom centre of keycap, when finger acts only on a lateral edges of keycap, push button element cannot be pressed down, and then also cannot realize the conducting of static contact and movable contact spring, and the sound can be produced in the moment of contact conducting, make troubles to use.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of noiseless keyboard switch, and it can effectively solve the problem that existing keyboard switch cannot steadily descend press contacts and Contact can produce the sound.
For achieving the above object, the present invention uses such as purgation technical scheme:
A kind of noiseless keyboard switch, includes pedestal, static contact, support chip, movable contact spring, lower frame, upper ledge and keycap;This static contact and support chip are separated from each other and are arranged on pedestal, and this static contact has the first welding foot and stationary contact, and this support chip has the second welding foot, and this second welding foot and the first welding foot all stretch out outside pedestal;This movable contact spring has the first connection end, the second connection end and movable contact, and this first connection end is connected turningly with support chip and keeps in electrical contact, and this movable contact connects end and second first and connects between end, and movable contact is positioned at the top of stationary contact;This upper ledge is intersected with each other with lower frame and foldable be articulated, the lower end of upper ledge and the lower end of lower frame respectively with the two ends pivot joint of pedestal, the upper end of upper ledge and the upper end of lower frame respectively with two ends, the bottom pivot joint of keycap, upper ledge and lower frame form X-type structure, and the upper end of this upper ledge is connected between end connection and has extension spring with aforementioned second.
As a kind of preferred version, described lower frame and upper ledge are the most U-shaped, this lower frame includes the first cross bar and two first connecting rods, the two ends of this first cross bar have all extended outward the first drive-connecting shaft, first drive-connecting shaft and keycap pivot joint, this two first connecting rod is parallel to each other and one-body molded with the two ends of the first cross bar is respectively connected, and all extends and have the second drive-connecting shaft inside the tail end of two first connecting rods, the second drive-connecting shaft and pedestal pivot joint;This upper ledge includes the second cross bar and two second connecting rods, the two ends of this second cross bar have all extended outward the 3rd drive-connecting shaft, 3rd drive-connecting shaft and keycap pivot joint, this two second connecting rod is parallel to each other and one-body molded with the two ends of the second cross bar is respectively connected, all extend inside the tail end of two second connecting rods and have the 4th drive-connecting shaft, 4th drive-connecting shaft and pedestal pivot joint, and, the two second connecting rods corresponding inner side being positioned at two first connecting rods respectively, the most corresponding middle part pivot joint with two first connecting rods in the middle part of two second connecting rods.
As a kind of preferred version, the rear end surface of described first connecting rod is arranged with the first embedding slot, and the leading inside of first connecting rod is arranged with the second embedding slot, under closed state, the first half of second connecting rod is embedded in the first embedding slot, and the latter half of second connecting rod is embedded in the second embedding slot.
As a kind of preferred version, lateral, the middle part extension of described second connecting rod is extended with the 6th drive-connecting shaft, is provided with pivoted hole accordingly on this first connecting rod, and the 6th drive-connecting shaft inserts pivot joint in pivoted hole.
As a kind of preferred version, described pedestal is concavely provided with the first pivot connected slot and the second pivot connected slot, this second drive-connecting shaft and the 4th drive-connecting shaft corresponding card respectively is embedded in the first pivot connected slot and the second pivot connected slot, and it is provided with upper cover on this pedestal, second drive-connecting shaft and the 4th drive-connecting shaft correspondence respectively are limited in the first pivot connected slot and the second pivot connected slot by this upper cover, and this movable contact spring is positioned at the lower section of upper cover.
As a kind of preferred version, described on cover and be provided with locating slot, the upper end of this support chip is inserted in locating slot and is positioned.
As a kind of preferred version, the bottom of described keycap is provided with the 3rd pivot connected slot and the 4th pivot connected slot, and this first drive-connecting shaft and the 3rd drive-connecting shaft correspondence respectively are snapped in pivot joint in the 3rd pivot connected slot and the 4th pivot connected slot.
As a kind of preferred version, described second connects end is provided with the first hanging hole, and this upper ledge is provided with the second hanging hole, and the two ends of this extension spring mount with the first hanging hole and the second hanging hole respectively.
As a kind of preferred version, described first connects and is provided with catching groove on end, and the upper end of this support chip is connected with first through catching groove that end is turning to be snapped together.
As a kind of preferred version, described lower frame and upper ledge are positioned at the periphery of pedestal.
The present invention compared with prior art has clear advantage and beneficial effect, specifically, as shown from the above technical solution:
By utilize upper ledge and lower frame intersected with each other and foldable be articulated, upper ledge is coordinated to form X-type structure with lower frame, and driven movable contact spring movable by extension spring, instead of the form using guide pillar of tradition, the integral thickness making product is thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize linkage and drive movable contact spring movable, press under realizing stablizing, making static contact be connected sensitiveer with the conducting of movable contact spring, and Contact will not produce the sound, product uses convenient.
For more clearly illustrating architectural feature and effect of the present invention, next with specific embodiment below in conjunction with the accompanying drawings the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the preferred embodiments of the invention;
Fig. 2 is the exploded view of the preferred embodiments of the invention;
Fig. 3 is the exploded view of another angle of the preferred embodiments of the invention;
Fig. 4 is the partial assembly drawing of the preferred embodiments of the invention;
Fig. 5 is the sectional view of the preferred embodiments of the invention free state;
Fig. 6 is the sectional view of the preferred embodiments of the invention conducting state.
Accompanying drawing identifier declaration:
10, pedestal
11, cavity
12, the first pivot connected slot
13, the second pivot connected slot
14, button portion
20, static contact
21, the first welding foot
22, stationary contact
30, support chip
31, the second welding foot
40, movable contact spring
41, first connects end
42, second connects end
43, movable contact
401, catching groove
402, the first hanging hole
50, lower frame
51, the first cross bar
52, first connecting rod
53, the first drive-connecting shaft
54, the second drive-connecting shaft
55, pivoted hole
501, the first embedding slot
502, the second embedding slot
60, upper ledge
61, the second cross bar
62, second connecting rod
63, the 3rd drive-connecting shaft
64, the 4th drive-connecting shaft
65, the 6th drive-connecting shaft
601, the second hanging hole
70, keycap
71, the 3rd pivot connected slot
72, the 4th pivot connected slot
80, extension spring
90, upper cover
91, button hole
92, locating slot
93, pin.
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 6, that show the concrete structure of the preferred embodiments of the invention, include pedestal 10, static contact 20, support chip 30, movable contact spring 40, lower frame 50, upper ledge 60 and keycap 70.
Wherein, this static contact 20 and support chip 30 are separated from each other and are arranged on pedestal 10, this static contact 20 has the first welding foot 21 and stationary contact 22, this support chip 30 has the second welding foot 31, and this second welding foot 31 and the first welding foot 21 all stretch out and weld electrical connection with outside pcb board (not shown) outside pedestal 10.
This movable contact spring 40 is T-shaped, this movable contact spring 40 has the first connection end 41, second and connects end 42 and movable contact 43, this the first connection end 41 is connected turningly with support chip 30 and keeps in electrical contact, this movable contact 43 connects end 41 and second first and connects between end 42, and movable contact 43 is positioned at the top of stationary contact 22;In the present embodiment, this first connects on end 41 and is provided with catching groove 401, and the upper end of this support chip 30 is connected with first through catching groove 401 that end 41 is turning to be snapped together, and, this second connection end 42 is provided with the first hanging hole 402.
nullThis upper ledge 60 is intersected with each other with lower frame 50 and foldable be articulated,The lower end of upper ledge 60 and the lower end of lower frame 50 respectively with the two ends pivot joint of pedestal 10,The upper end of upper ledge 60 and the upper end of lower frame 50 respectively with two ends, the bottom pivot joint of keycap 70,Upper ledge 60 and lower frame 50 form X-type structure,And the upper end of this upper ledge 60 is connected between end 42 connection and has extension spring 80 with aforementioned second,In the present embodiment,The second hanging hole 601 it is provided with on this upper ledge 60,The two ends of this extension spring 80 mount with the first hanging hole 402 and the second hanging hole 601 respectively,When upper ledge 60 is in closed state with lower frame 50,This movable contact 43 contacts electrical connection with stationary contact 22,Under non-pressed state,This extension spring 80 promotes upper ledge 60 and lower frame 50 to reset,Movable contact spring 40 is resetted,So that movable contact 43 leaves stationary contact 22.
Specifically, in the present embodiment, this lower frame 50 and upper ledge 60 are positioned at the periphery of pedestal 10, this lower frame 50 and upper ledge 60 are the most U-shaped, this lower frame 50 includes the first cross bar 51 and two first connecting rods 52, the two ends of this first cross bar 51 have all extended outward the first drive-connecting shaft 53, first drive-connecting shaft 53 and keycap 70 pivot joint, this two first connecting rod 52 is parallel to each other and one-body molded with the two ends of the first cross bar 51 is respectively connected, all extend inside the tail end of two first connecting rods 52 and have the second drive-connecting shaft 54, the second drive-connecting shaft 54 and pedestal 10 pivot joint;nullThis upper ledge 60 includes the second cross bar 61 and two second connecting rods 62,The two ends of this second cross bar 61 have all extended outward the 3rd drive-connecting shaft 63,3rd drive-connecting shaft 63 and keycap 70 pivot joint,This two second connecting rod 62 is parallel to each other and one-body molded with the two ends of the second cross bar 61 is respectively connected,All extend inside the tail end of two second connecting rods 62 and have the 4th drive-connecting shaft 64,4th drive-connecting shaft 64 and pedestal 10 pivot joint,And,The two second connecting rods 62 corresponding inner side being positioned at two first connecting rods 52 respectively,The most corresponding middle part pivot joint with two first connecting rods 52 in the middle part of two second connecting rods 62,In the present embodiment,Lateral, the middle part extension of this second connecting rod 62 is extended with the 6th drive-connecting shaft 65,It is provided with pivoted hole 55 accordingly on this first connecting rod 52,6th drive-connecting shaft 65 inserts pivot joint in pivoted hole 55.
The rear end surface of this first connecting rod 52 is arranged with the first embedding slot 501, the leading inside of first connecting rod 52 is arranged with the second embedding slot 502, under closed state, the first half of second connecting rod 62 is embedded in the first embedding slot 501, the latter half of second connecting rod 62 is embedded in the second embedding slot 502, so that product is thinner.
This pedestal 10 is concavely provided with cavity 11, two first pivot connected slot 12 and two second pivot connected slots 13, this two first pivot connected slot 12 and two second pivot connected slots 13 are distributed in four edges on pedestal 10 surface, aforementioned second drive-connecting shaft 54 and the 4th drive-connecting shaft 64 corresponding card respectively is embedded in the first pivot connected slot 12 and the second pivot connected slot 13, and it is provided with upper cover 90 on this pedestal 10, second drive-connecting shaft 64 and the 4th drive-connecting shaft 64 correspondence respectively are limited in the first pivot connected slot 12 and the second pivot connected slot 13 by this upper cover 90, and this movable contact spring 40 is embedded in cavity 11 and is positioned at the lower section of upper cover 90.The two opposite sides plate of this upper cover 90 is provided with button hole 91, it is provided with button portion 14 accordingly on this pedestal 10, this button portion 14 is fastened and connected each other with button hole 91, make to achieve and upper cover 90 is installed on pedestal 10, and, this upper cover 90 is provided with locating slot 92, the upper end of this support chip 30 is inserted in locating slot 92 and is positioned, the biside plate of this upper cover 90 also extends pin 93, and this pin 93 inserts in pcb board and is welded and fixed.
And, the bottom of this keycap 70 is provided with the 3rd pivot connected slot 71 and the 4th pivot connected slot 72, and this first drive-connecting shaft 53 and the 3rd drive-connecting shaft 63 correspondence respectively are snapped in pivot joint in the 3rd pivot connected slot 71 and the 4th pivot connected slot 72.
During assembling, by static contact 20 and support chip 30 socket the most from top to bottom on the position of pedestal 10 correspondence, then, movable contact spring 40 is placed in cavity 11, and make movable contact spring 40 can spin upside down ground spiral-lock in the holding contact of the upper end of support chip 30, then, together with pivot joint intersected with each other with lower frame 50 for upper ledge 60, and the second drive-connecting shaft 54 and the 4th drive-connecting shaft 64 corresponding card respectively is embedded in the first pivot connected slot 12 and the second pivot connected slot 13, then, the two ends of extension spring 80 are mounted with the first hanging hole 402 and the second hanging hole 601 respectively, then, by upper cover 90 spiral-lock from top to bottom on pedestal 10, then, assemble keycap 70, the first drive-connecting shaft 53 and the 3rd drive-connecting shaft 63 correspondence respectively is made to be snapped in pivot joint in the 3rd pivot connected slot 71 and the 4th pivot connected slot 72.
During use, when pressing keycap 70, this upper ledge 60 and lower frame 50 are the most movable and be superimposed together, meanwhile, this extension spring 80 is stretched, and this movable contact spring 40 is the most movable, make movable contact 43 contact electrical connection (as shown in Figure 6) lightly with stationary contact 22, do not produce sound;When unclamping keycap 70, extension spring 80 recovers deformation, and under the effect of extension spring 80, upper ledge 60 and lower frame 50 upwards open, and keycap 70 upwards resets, and meanwhile, movable contact spring 40 the most upwards resets so that movable contact 43 leaves stationary contact 22(as shown in Figure 5).
The design focal point of the present invention is: by utilize upper ledge and lower frame intersected with each other and foldable be articulated, upper ledge is coordinated to form X-type structure with lower frame, and driven movable contact spring movable by extension spring, instead of the form using guide pillar of tradition, the integral thickness making product is thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize linkage and drive movable contact spring movable, press under realizing stablizing, making static contact be connected sensitiveer with the conducting of movable contact spring, and Contact will not produce the sound, product uses convenient.
The above, it it is only presently preferred embodiments of the present invention, not the technical scope of the present invention is imposed any restrictions, therefore every any trickle amendment, equivalent variations and modification above example made according to the technical spirit of the present invention, all still fall within the range of technical solution of the present invention.
Claims (8)
1. a noiseless keyboard switch, it is characterised in that: include pedestal, static contact, support chip, movable contact spring, lower frame, upper ledge and keycap;This static contact and support chip are separated from each other and are arranged on pedestal, and this static contact has the first welding foot and stationary contact, and this support chip has the second welding foot, and this second welding foot and the first welding foot all stretch out outside pedestal;This movable contact spring has the first connection end, the second connection end and movable contact, and this first connection end is connected turningly with support chip and keeps in electrical contact, and this movable contact connects end and second first and connects between end, and movable contact is positioned at the top of stationary contact;This upper ledge is intersected with each other with lower frame and foldable be articulated, the lower end of upper ledge and the lower end of lower frame respectively with the two ends pivot joint of pedestal, the upper end of upper ledge and the upper end of lower frame respectively with two ends, the bottom pivot joint of keycap, upper ledge and lower frame form X-type structure, and the upper end of this upper ledge is connected between end connection and has extension spring with aforementioned second;Described first connects on end and is provided with catching groove, and the upper end of this support chip is connected with first through catching groove that end is turning to be snapped together;Described second connects end is provided with the first hanging hole, and this upper ledge is provided with the second hanging hole, and the two ends of this extension spring mount with the first hanging hole and the second hanging hole respectively, and aforementioned movable contact is between the first hanging hole and catching groove.
Noiseless keyboard switch the most according to claim 1, it is characterized in that: described lower frame and upper ledge are the most U-shaped, this lower frame includes the first cross bar and two first connecting rods, the two ends of this first cross bar have all extended outward the first drive-connecting shaft, first drive-connecting shaft and keycap pivot joint, this two first connecting rod is parallel to each other and one-body molded with the two ends of the first cross bar is respectively connected, and all extends and have the second drive-connecting shaft inside the tail end of two first connecting rods, the second drive-connecting shaft and pedestal pivot joint;This upper ledge includes the second cross bar and two second connecting rods, the two ends of this second cross bar have all extended outward the 3rd drive-connecting shaft, 3rd drive-connecting shaft and keycap pivot joint, this two second connecting rod is parallel to each other and one-body molded with the two ends of the second cross bar is respectively connected, all extend inside the tail end of two second connecting rods and have the 4th drive-connecting shaft, 4th drive-connecting shaft and pedestal pivot joint, and, the two second connecting rods corresponding inner side being positioned at two first connecting rods respectively, the most corresponding middle part pivot joint with two first connecting rods in the middle part of two second connecting rods.
Noiseless keyboard switch the most according to claim 2, it is characterized in that: the rear end surface of described first connecting rod is arranged with the first embedding slot, the leading inside of first connecting rod is arranged with the second embedding slot, under closed state, the first half of second connecting rod is embedded in the first embedding slot, and the latter half of second connecting rod is embedded in the second embedding slot.
Noiseless keyboard switch the most according to claim 2, it is characterised in that: lateral, the middle part extension of described second connecting rod is extended with the 6th drive-connecting shaft, is provided with pivoted hole accordingly on this first connecting rod, and the 6th drive-connecting shaft inserts pivot joint in pivoted hole.
Noiseless keyboard switch the most according to claim 2, it is characterized in that: described pedestal is concavely provided with the first pivot connected slot and the second pivot connected slot, this second drive-connecting shaft and the 4th drive-connecting shaft corresponding card respectively is embedded in the first pivot connected slot and the second pivot connected slot, and it is provided with upper cover on this pedestal, second drive-connecting shaft and the 4th drive-connecting shaft correspondence respectively are limited in the first pivot connected slot and the second pivot connected slot by this upper cover, and this movable contact spring is positioned at the lower section of upper cover.
Noiseless keyboard switch the most according to claim 5, it is characterised in that: covering on described and be provided with locating slot, the upper end of this support chip is inserted in locating slot and is positioned.
Noiseless keyboard switch the most according to claim 2, it is characterised in that: the bottom of described keycap is provided with the 3rd pivot connected slot and the 4th pivot connected slot, and this first drive-connecting shaft and the 3rd drive-connecting shaft correspondence respectively are snapped in pivot joint in the 3rd pivot connected slot and the 4th pivot connected slot.
Noiseless keyboard switch the most according to claim 1, it is characterised in that: described lower frame and upper ledge are positioned at the periphery of pedestal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410506687.6A CN104299829B (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
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CN201410506687.6A CN104299829B (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
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CN104299829A CN104299829A (en) | 2015-01-21 |
CN104299829B true CN104299829B (en) | 2016-08-24 |
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CN201410506687.6A Active CN104299829B (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106486300B (en) * | 2015-08-27 | 2019-03-05 | 东莞市凯华电子有限公司 | Keyboard switch with X frame structure |
CN204927141U (en) * | 2015-09-06 | 2015-12-30 | 东莞市凯华电子有限公司 | Thin type keyboard switch |
CN205508686U (en) * | 2015-10-23 | 2016-08-24 | 东莞市凯华电子有限公司 | Noiseless key switch |
CN205645574U (en) * | 2016-01-13 | 2016-10-12 | 东莞市凯华电子有限公司 | Keyboard switch |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20050031670A (en) * | 2003-09-30 | 2005-04-06 | 삼성전기주식회사 | Key switch device and manufacturing method thereof |
CN201112189Y (en) * | 2007-08-17 | 2008-09-10 | 厦门金富通电子有限公司 | Improved structure of fine motion push-key switch |
CN201282056Y (en) * | 2008-10-14 | 2009-07-29 | 精元电脑股份有限公司 | Mute structure of dustproof anti-draught keyboard |
TWM419145U (en) * | 2011-07-19 | 2011-12-21 | Sunrex Technology Corp | Mute structure of multiple length keystroke |
JP6050098B2 (en) * | 2012-11-19 | 2016-12-21 | 富士通コンポーネント株式会社 | Key switch device, keyboard, and method of manufacturing key switch device |
CN104299827B (en) * | 2014-07-08 | 2017-02-15 | 东莞市凯华电子有限公司 | Ultra-thin keyboard switch |
CN204130406U (en) * | 2014-07-08 | 2015-01-28 | 东莞市凯华电子有限公司 | The ultra-thin keyboard switch that can steadily press down |
CN204130408U (en) * | 2014-09-28 | 2015-01-28 | 东莞市凯华电子有限公司 | Noiseless keyboard switch |
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2014
- 2014-09-28 CN CN201410506687.6A patent/CN104299829B/en active Active
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