CN204130408U - Noiseless keyboard switch - Google Patents
Noiseless keyboard switch Download PDFInfo
- Publication number
- CN204130408U CN204130408U CN201420563214.5U CN201420563214U CN204130408U CN 204130408 U CN204130408 U CN 204130408U CN 201420563214 U CN201420563214 U CN 201420563214U CN 204130408 U CN204130408 U CN 204130408U
- Authority
- CN
- China
- Prior art keywords
- drive
- connecting shaft
- lower frame
- upper ledge
- link
- 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)
Abstract
The utility model 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 link, the second link and moving contact, and this first link and support chip are connected and keep in electrical contact turningly; Be articulated to this upper ledge and the intersected with each other and foldable of lower frame, between the upper end of this upper ledge and aforementioned second link, be connected with extension spring.By this, by being articulated with utilizing upper ledge and the intersected with each other and foldable of lower frame, upper ledge and lower frame is coordinated to form X-type structure, and drive movable contact spring movable by extension spring, instead of the form adopting guide pillar of tradition, make the integral thickness of product thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize interlock and drive movable contact spring movable, realize stable pressing down, make static contact be connected sensitiveer with the conducting of movable contact spring, and Contact can not produce the sound, product uses convenient.
Description
Technical field
The utility model relates to keyboard switch art, refers in particular to a kind of noiseless keyboard switch.
Background technology
Keyboard switch, as the term suggests be a kind ofly apply and be installed on the switch 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 is exposed outside containing cavity, by pressing manipulation push button element, make push button element up and down, and then act on movable contact spring by push button element, movable contact spring is contacted with static contact connect or depart to separate.
Above-mentioned existing keyboard switch structure, though effect of user's disconnection or the connection between conducting static contact and movable contact spring can be supplied to, really there is progressive, but but find when reality uses himself structure and serviceability still have many deficiencies, cause existing keyboard switch in practical application, fail to reach best result of use 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 the bottom centre being installed on keycap, when finger only acts on a lateral edges of keycap, push button element cannot steadily press down, and then also cannot realize the conducting of static contact and movable contact spring, and can the sound be produced in the moment of contact conducting, make troubles to use.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of noiseless keyboard switch, and it effectively can solve existing keyboard switch steadily cannot descend press contacts and Contact can produce the problem of the sound.
For achieving the above object, the utility model adopts following 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 fixed 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 link, the second link and moving contact, and this first link and support chip are connected and keep in electrical contact turningly, and this moving contact is between the first link and the second link, and moving contact is positioned at the top of fixed contact; Be articulated to this upper ledge and the intersected with each other and foldable of lower frame, 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 are connected with extension spring between the upper end of this upper ledge and aforementioned second link.
As a kind of preferred version, described lower frame and upper ledge are all 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 be connected with the two ends of the first cross bar are one-body molded respectively, and all extending inside the tail end of two first connecting rods has the second drive-connecting shaft, 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 be connected with the two ends of the second cross bar are one-body molded respectively, 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, two second connecting rods are the corresponding inner side being positioned at two first connecting rods respectively, the middle part difference correspondence of two second connecting rods and the middle part pivot joint of two first 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, extended outward the 6th drive-connecting shaft outside the middle part of described second connecting rod, accordingly this first connecting rod has been provided with pivoted hole, the 6th drive-connecting shaft inserts pivot joint in pivoted hole.
As a kind of preferred version, described pedestal is arranged with the first pivot connected slot and the second pivot connected slot, this second drive-connecting shaft and the corresponding inlay card of the 4th drive-connecting shaft difference are in the first pivot connected slot and the second pivot connected slot, and this pedestal is provided with upper cover, this upper cover by the second drive-connecting shaft and the 4th drive-connecting shaft respectively correspondence be limited in the first pivot connected slot and the second pivot connected slot, this movable contact spring is positioned at the below of upper cover.
As a kind of preferred version, cover and be provided with location notch on described, the upper end of this support chip is inserted in location notch and is located.
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 respectively correspondence 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 link is provided with the first hanging hole, 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 link is provided with catching groove, the upper end of this support chip snaps together with the first link is turning through catching groove.
As a kind of preferred version, described lower frame and upper ledge are positioned at the periphery of pedestal.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
By being articulated with utilizing upper ledge and the intersected with each other and foldable of lower frame, upper ledge and lower frame is coordinated to form X-type structure, and drive movable contact spring movable by extension spring, instead of the form adopting guide pillar of tradition, make the integral thickness of product thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize interlock and drive movable contact spring movable, realize stable pressing down, make static contact be connected sensitiveer with the conducting of movable contact spring, and Contact can not produce the sound, product uses convenient.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the exploded view of the preferred embodiment of the utility model;
Fig. 3 is the exploded view of another angle of preferred embodiment of the utility model;
Fig. 4 is the partial assembly drawing of the preferred embodiment of the utility model;
Fig. 5 is the sectional view of the preferred embodiment free state of the utility model;
Fig. 6 is the sectional view of the preferred embodiment conducting state of the utility model.
Accompanying drawing identifier declaration:
10, pedestal 11, cavity
12, the first pivot connected slot 13, second pivot connected slot
14, buckle portion 20, static contact
21, the first welding foot 22, fixed contact
30, support chip 31, second welding foot
40, movable contact spring 41, first link
42, the second link 43, moving contact
401, catching groove 402, first hanging hole
50, lower frame 51, first cross bar
52, first connecting rod 53, first drive-connecting shaft
54, the second drive-connecting shaft 55, pivoted hole
501, the first embedding slot 502, second embedding slot
60, upper ledge 61, 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, location notch
93, pin.
Embodiment
Please refer to shown in Fig. 1 to Fig. 6, that show the concrete structure of the preferred embodiment of the utility model, 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 fixed contact 22, this support chip 30 has the second welding foot 31, and it is outer and weld with outside pcb board (not shown) and be electrically connected that this second welding foot 31 and the first welding foot 21 all stretch out pedestal 10.
This movable contact spring 40 is T-shaped, this movable contact spring 40 has the first link 41, second link 42 and moving contact 43, this first link 41 and support chip 30 are connected and keep in electrical contact turningly, this moving contact 43 is between the first link 41 and the second link 42, and moving contact 43 is positioned at the top of fixed contact 22; In the present embodiment, this first link 41 is provided with catching groove 401, the upper end of this support chip 30 snaps together with the first link 41 is turning through catching groove 401, and this second link 42 is provided with the first hanging hole 402.
This upper ledge 60 is articulated to intersected with each other and foldable with lower frame 50, 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 be connected with extension spring 80 between the upper end of this upper ledge 60 and aforementioned second link 42, in the present embodiment, this upper ledge 60 is provided with the second hanging hole 601, 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 moving contact 43 contacts with fixed contact 22 and is electrically connected, under non-pressed state, this extension spring 80 impels upper ledge 60 and lower frame 50 to reset, movable contact spring 40 is resetted, thus make moving contact 43 leave fixed 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 all 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 be connected with the two ends of the first cross bar 51 are one-body molded respectively, all extend inside the tail end of two first connecting rods 52 and have the second drive-connecting shaft 54, second drive-connecting shaft 54 and pedestal 10 pivot joint, this 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 be connected with the two ends of the second cross bar 61 are one-body molded respectively, 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, two second connecting rods 62 are the corresponding inner side being positioned at two first connecting rods 52 respectively, the middle part difference correspondence of two second connecting rods 62 and the middle part pivot joint of two first connecting rods 52, in the present embodiment, the 6th drive-connecting shaft 65 has been extended outward outside the middle part of this second connecting rod 62, accordingly this first connecting rod 52 is provided with pivoted hole 55, 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, to make product thinner.
This pedestal 10 is arranged 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 corresponding inlay card of the 4th drive-connecting shaft 64 difference are in the first pivot connected slot 12 and the second pivot connected slot 13, and this pedestal 10 is provided with upper cover 90, this upper cover 90 by the second drive-connecting shaft 64 and the 4th drive-connecting shaft 64 respectively correspondence be limited in the first pivot connected slot 12 and the second pivot connected slot 13, this movable contact spring 40 to be embedded in cavity 11 and to be positioned at the below of upper cover 90.The two opposite sides plate of this upper cover 90 is provided with button hole 91, accordingly this pedestal 10 is provided with buckle portion 14, this buckle portion 14 is fastened and connected each other with button hole 91, making to achieve is installed on pedestal 10 by upper cover 90, and this upper cover 90 is provided with location notch 92, and location in location notch 92 is inserted in the upper end of this support chip 30, 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, this first drive-connecting shaft 53 and the 3rd drive-connecting shaft 63 respectively correspondence 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 respectively from top to bottom socket 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 keep in touch in the upper end of support chip 30, then, by upper ledge 60 together with lower frame 50 pivot joint intersected with each other, and make the second drive-connecting shaft 54 and the corresponding inlay card of the 4th drive-connecting shaft 64 difference 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 from top to bottom spiral-lock on pedestal 10, then, assembling keycap 70, make the first drive-connecting shaft 53 and the 3rd drive-connecting shaft 63 respectively correspondence 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 movable downwards and be superimposed together, meanwhile, this extension spring 80 is stretched, and this movable contact spring 40 is movable downwards, moving contact 43 is contacted with fixed contact 22 be lightly electrically connected (as shown in Figure 6), 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 also upwards resets, and makes moving contact 43 leave fixed contact 22(as shown in Figure 5).
Design focal point of the present utility model is: by being articulated with utilizing upper ledge and the intersected with each other and foldable of lower frame, upper ledge and lower frame is coordinated to form X-type structure, and drive movable contact spring movable by extension spring, instead of the form adopting guide pillar of tradition, make the integral thickness of product thinning, and, no matter finger acts on any position of keycap, upper ledge and lower frame all can realize interlock and drive movable contact spring movable, realize stable pressing down, make static contact be connected sensitiveer with the conducting of movable contact spring, and Contact can not produce the sound, product uses convenient.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a noiseless keyboard switch, is characterized 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 fixed 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 link, the second link and moving contact, and this first link and support chip are connected and keep in electrical contact turningly, and this moving contact is between the first link and the second link, and moving contact is positioned at the top of fixed contact; Be articulated to this upper ledge and the intersected with each other and foldable of lower frame, 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 are connected with extension spring between the upper end of this upper ledge and aforementioned second link.
2. noiseless keyboard switch according to claim 1, it is characterized in that: described lower frame and upper ledge are all 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 be connected with the two ends of the first cross bar are one-body molded respectively, and all extending inside the tail end of two first connecting rods has the second drive-connecting shaft, 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 be connected with the two ends of the second cross bar are one-body molded respectively, 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, two second connecting rods are the corresponding inner side being positioned at two first connecting rods respectively, the middle part difference correspondence of two second connecting rods and the middle part pivot joint of two first connecting rods.
3. noiseless keyboard switch 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.
4. noiseless keyboard switch according to claim 2, is characterized in that: extended outward the 6th drive-connecting shaft outside the middle part of described second connecting rod, accordingly this first connecting rod is provided with pivoted hole, and the 6th drive-connecting shaft inserts pivot joint in pivoted hole.
5. noiseless keyboard switch according to claim 2, it is characterized in that: described pedestal is arranged with the first pivot connected slot and the second pivot connected slot, this second drive-connecting shaft and the corresponding inlay card of the 4th drive-connecting shaft difference are in the first pivot connected slot and the second pivot connected slot, and this pedestal is provided with upper cover, this upper cover by the second drive-connecting shaft and the 4th drive-connecting shaft respectively correspondence be limited in the first pivot connected slot and the second pivot connected slot, this movable contact spring is positioned at the below of upper cover.
6. noiseless keyboard switch according to claim 5, is characterized in that: cover on described and be provided with location notch, and the upper end of this support chip is inserted in location notch and located.
7. noiseless keyboard switch according to claim 2, is characterized 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 respectively correspondence are snapped in pivot joint in the 3rd pivot connected slot and the 4th pivot connected slot.
8. noiseless keyboard switch according to claim 1, is characterized in that: described second link is provided with the first hanging hole, 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.
9. noiseless keyboard switch according to claim 1, is characterized in that: described first link is provided with catching groove, and the upper end of this support chip snaps together with the first link is turning through catching groove.
10. noiseless keyboard switch according to claim 1, is characterized 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 |
|---|---|---|---|
| CN201420563214.5U CN204130408U (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563214.5U CN204130408U (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130408U true CN204130408U (en) | 2015-01-28 |
Family
ID=52386737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563214.5U Expired - Fee Related CN204130408U (en) | 2014-09-28 | 2014-09-28 | Noiseless keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204130408U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299829A (en) * | 2014-09-28 | 2015-01-21 | 东莞市凯华电子有限公司 | Silent keyboard switch |
| WO2017032219A1 (en) * | 2015-08-27 | 2017-03-02 | 东莞市凯华电子有限公司 | Keyboard switch of x-frame structure |
| WO2017121298A1 (en) * | 2016-01-13 | 2017-07-20 | 东莞市凯华电子有限公司 | Keyboard switch |
| WO2018077193A1 (en) * | 2016-06-01 | 2018-05-03 | 东莞市凯华电子有限公司 | Ultra-thin mechanical keyboard switch |
| CN108010777A (en) * | 2017-10-31 | 2018-05-08 | 群光电子(苏州)有限公司 | A kind of double-strand chain elevating mechanism |
-
2014
- 2014-09-28 CN CN201420563214.5U patent/CN204130408U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299829A (en) * | 2014-09-28 | 2015-01-21 | 东莞市凯华电子有限公司 | Silent keyboard switch |
| WO2017032219A1 (en) * | 2015-08-27 | 2017-03-02 | 东莞市凯华电子有限公司 | Keyboard switch of x-frame structure |
| CN106486300A (en) * | 2015-08-27 | 2017-03-08 | 东莞市凯华电子有限公司 | Keyboard switch with X frame structure |
| WO2017121298A1 (en) * | 2016-01-13 | 2017-07-20 | 东莞市凯华电子有限公司 | Keyboard switch |
| WO2018077193A1 (en) * | 2016-06-01 | 2018-05-03 | 东莞市凯华电子有限公司 | Ultra-thin mechanical keyboard switch |
| CN108010777A (en) * | 2017-10-31 | 2018-05-08 | 群光电子(苏州)有限公司 | A kind of double-strand chain elevating mechanism |
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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: 20150128 Termination date: 20160928 |