CN214099467U - Ultra-thin key subassembly of fine motion balance - Google Patents
Ultra-thin key subassembly of fine motion balance Download PDFInfo
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- CN214099467U CN214099467U CN202120012539.4U CN202120012539U CN214099467U CN 214099467 U CN214099467 U CN 214099467U CN 202120012539 U CN202120012539 U CN 202120012539U CN 214099467 U CN214099467 U CN 214099467U
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Abstract
The utility model discloses a micro-motion balance ultrathin key component, wherein an electric element for generating a switching signal is arranged on a bottom plate, and a micro-motion unit and a balance scissor frame consisting of a male frame and a female frame are also arranged between the bottom plate and a keycap; the micro-motion unit is positioned in the hollow part of the scissor frame and is provided with a structural part for triggering the electric element to generate a signal, and the micro-motion unit is also provided with a pressing area which is contacted with the bottom of the keycap; when the keycap is pressed, the scissor frame descends and the structural part of the micro-motion unit triggers the electric element to generate a signal through the pressing area. Through rational utilization space, make fine motion reed and balance shear shank assemble in ultra-thin button, press the key cap optional position also can export electrical signal under the great condition of key cap surface area, and the fine motion reed can also bring short brief press down and feel, the key subassembly of this application has the advantage of feeling good, sensitive, and the outward appearance volume is ultra-thin, is applicable to notebook computer and uses.
Description
Technical Field
The utility model relates to a button device, concretely relates to balanced ultra-thin button subassembly of fine motion.
Background
A keyboard is a command and data input device used to operate equipment and also refers to a set of function keys (e.g., typewriter, computer keyboard) arranged to operate a machine or equipment through a system. The keyboard mainly comprises keys.
The existing notebook key is generally developed towards an ultrathin trend, a silica gel key is generally adopted, the silica gel key can be made into silica gel with different travel distances according to different required pressing forces, and when short travel hand feeling is required to be obtained, the silica gel key has certain limitation, so that the limit cannot be broken through, and the notebook key is lighter and thinner. Therefore, the key assembly is mainly used for solving the problems and achieving ultrathin key assembly due to the fact that the switch position is reasonably arranged.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a balanced ultra-thin button subassembly of fine motion rational in infrastructure, that feels.
In order to realize the technical purpose, the utility model discloses a scheme is: a micro-motion balance ultrathin key assembly comprises a bottom plate and a key cap, wherein an electric element for generating a switching signal is arranged on the bottom plate, a micro-motion unit and a balance scissor frame consisting of a male frame and a female frame are arranged between the bottom plate and the key cap; the micro-motion unit is positioned in the hollow part of the scissor frame and is provided with a structural part for triggering the electric element to generate a signal, and the micro-motion unit is also provided with a pressing area which is contacted with the bottom of the keycap; when the keycap is pressed, the scissor frame descends, and the structural part of the micro-motion unit triggers the electric element to generate a signal through the pressing area; when the key cap is released, the micro-motion unit elastically resets to enable the structural part to be separated from the electric element, and the key cap and the scissor rack move upwards to reset through the pressing area.
Preferably, the micro-motion unit comprises a micro-motion reed, a reed seat and a structural member, wherein the structural member is assembled on the micro-motion reed, and the reed seat is assembled on the bottom plate; the structure includes a signal trigger and a pressing area.
Preferably, the limit groove the movable end of the micro-motion reed is provided with a bending part, the reed seat is provided with a limit groove corresponding to the bending part, and the bending part is assembled in the limit groove to limit the movable end of the micro-motion reed.
Preferably, a positioning column is arranged on the structural part, the structural part is assembled on the micro-motion reed through the positioning column, and a clearance hole corresponding to the positioning column is formed in the reed seat.
Preferably, the keycap is provided with a male frame slotted hole for pivoting the male frame and a female frame slotted hole for pivoting the female frame; the bottom plate is provided with a male frame hook used for connecting a male frame and a female frame hook used for connecting a female frame.
Preferably, the electric element is a pair of optical tubes having an optical path and including a light emitting element and a light receiving element, and the signal trigger portion has a grating structure.
Preferably, the grating structure is a light blocking member or a light guiding member or a light reflecting member.
Preferably, the electric element is a hall sensor, and the signal triggering unit is a magnetic member having a function of triggering the hall sensor.
Preferably, the bottom plate is a PCB, and an FCU driver chip LED6 is attached to the PCB.
Preferably, the pressing area is a soft glue structure arranged on the structural member and facing the keycap direction.
The utility model has the advantages that: the space is rationally utilized, makes fine motion reed and balance shear shank assemble in ultra-thin button, presses down the key cap optional position also can export electrical signal under the great condition of key cap surface area, and the fine motion reed can also bring short brief press down and feel, and the key subassembly of this application has the advantage of feeling good, sensitive, and the outward appearance volume is ultra-thin, is applicable to notebook computer and uses.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the micro-motion unit of the present invention;
FIG. 3 is a schematic structural view of the inching unit of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic structural diagram of the key cap of the present invention;
fig. 6 is a schematic structural diagram of the bottom plate of the present invention.
1. A base plate; 11. a hook of the main frame; 12. a male frame hook; 2. a keycap; 21. a slot of the female frame;
22. a male frame slot; 3. a scissor rack; 31. a mother frame; 32. a male frame; 4. a micro-motion unit; 41. a jogging reed; 411. a bending section; 42. a reed seat; 421. a limiting groove; 422. avoiding a void; 43. a structural member; 431. a signal triggering section; 432. a pressing area; 433. a positioning column; 5. a light-to-tube; and 6. an LED.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the embodiment of the present invention is an ultra-thin key assembly with micro-motion balance, which comprises a bottom plate 1 and a key cap 2, wherein the bottom plate is provided with an electrical element for generating a switching signal, a micro-motion unit 4 and a balance scissor frame 3 composed of a male frame 32 and a female frame 31 are further included between the bottom plate and the key cap, and the balance scissor frame 3 can make keys vertically move up and down when pressing any position of the key cap, so as to press balance.
The micro-motion unit 4 is positioned in the hollow part of the scissor frame 3 and is provided with a structural member for triggering the electric element to generate a signal, and the micro-motion unit 4 is also provided with a pressing area 432 which is contacted with the bottom of the keycap; the micro-motion unit plays a role in returning to the key, causing hand feeling and generating a photoelectric signal. When the keycap is pressed, the scissor frame descends, and the structural part of the micro-motion unit triggers the electric element to generate a signal through the pressing area 432; when the key cap is released, the micro-motion unit elastically resets to enable the structural part to be separated from the electric element, and the key cap and the scissor rack are enabled to move upwards and reset together through the pressing area 432.
In a specific embodiment of the present application, the micro-motion unit includes a micro-motion reed 41, a reed seat 42, and a structural member 43, wherein the structural member 43 is assembled on the micro-motion reed 41, and the reed seat 42 is assembled under the micro-motion reed 41. The micro-motion reed 41 is a reed-type micro-motion reed, the structural member 43 is assembled on the micro-motion reed 41, and the reed seat 42 is assembled on the bottom plate 1;
the structure 43 comprises a signal trigger 431 and a pressing area 432; when the keycap is pressed, the pressing area 432 drives the assembled micro-motion reed 41 to press downwards, a through hole for the signal trigger part to pass through is further formed in the reed seat, and the signal trigger part 431 can be used for switching on and off the electric element downwards to output a switching signal. Press region 432 for the flexible glue structure of setting towards the key cap direction on the structure, preferably arc flexible glue structure, reduce the key cap and press the wearing and tearing between the region, extension button life.
The installation relationship between the reed seat 42 and the inching reed 41 is as follows: the expansion end of fine motion reed 41 has kink 411, reed seat 42 corresponds the kink is equipped with spacing groove 421, kink 411 assembles in spacing groove 421 spacing to the expansion end of fine motion reed, and this kind of connected mode can reduce the last spacing of support, arranges the support in fine motion reed below, makes the product accomplish thinly, and the static end of fine motion reed is in the same place through the through-hole installation corresponding with the projection on the reed seat.
The installation relationship between the structural member 43 and the micro-motion spring 41 is as follows: the structural member 43 is provided with a positioning column 433, the structural member 43 is assembled on the micro-motion reed 41 through the positioning column 433, and the reed seat is provided with a clearance hole 422 corresponding to the positioning column 433. In order to facilitate the processing and assembly of the positioning post 433, the positioning post 433 is preferably designed to protrude out of a through hole on the micro-motion reed, so that a clearance hole 422 corresponding to the positioning post 433 is formed in the reed seat, and the positioning post 433 and the micro-motion reed do not collide with the bottom plate or the reed seat when the keycap is pressed after the assembly.
The utility model provides a balance scissors frame 3 installs between key cap 2 and bottom plate 1, specifically, public frame 32 is connected in female frame 31's frame through the link is movable, and public frame's both ends are equipped with the link, are equipped with corresponding mounting groove on the female frame, and the link can rotate in the mounting groove, makes public frame and female frame form stable balanced scissors frame structure, and public frame is in parallel state with female frame when the minimum. The key cap 2 is provided with a male frame slot 22 and a female frame slot 21, and one side of the male frame and one side of the female frame are provided with corresponding connecting shafts, so that one side of the male frame and one side of the female frame are pivoted on the key cap; the bottom plate 1 is provided with a male frame hook 12 and a female frame hook 11, and the other sides of the male frame and the female frame are provided with corresponding matching holes, so that the bottoms of the male frame and the female frame are connected on the hooks. The shear shank stroke is shorter, presses the sensitivity, and the structural design of the ultra-thin button of shear shank laminating of this application uses and experiences better.
When the electrical element is a light-to-light pair tube 5 having a light path and composed of a light-emitting element and a light-receiving element, the signal triggering portion 431 has a grating structure, the grating structure is a light-blocking piece, a light-guiding piece or a light-reflecting piece, the positions of the light-emitting element and the light-receiving element in the light pair tube are adjusted according to the corresponding grating structure, if the grating structure is the light-reflecting piece, the light-emitting element and the light-receiving element are arranged on the same side, and when the structural member moves downwards, light emitted by the light-emitting element is reflected to the light-receiving element through the structural member.
When the electric element is a Hall sensor, the signal triggering part is a magnetic part with a triggering Hall sensor, and the Hall sensor receives the magnetic flux change of the magnetic part to generate the on-off of an electromagnetic signal when the structural part moves downwards.
Preferably, the bottom plate 1 of this application is the PCB board, and the paster is equipped with FCU driver chip LED6 on the PCB board, makes the button have luminous function, and the suitability is stronger.
The utility model provides an ultra-thin button subassembly of fine motion balance, through the rational utilization space, make fine motion reed and balance shear shank assemble in ultra-thin button, press the key cap optional position also can export electrical signal under the great condition of key cap surface area, and the fine motion reed can also bring the short brief press down and feel, the button subassembly of this application has the advantage of feeling good, sensitive, and the apparent volume is ultra-thin, is applicable to notebook computer and uses.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (10)
1. The utility model provides a balanced ultra-thin button subassembly of fine motion, includes bottom plate and key cap, install the electrical element who produces switching signal on the bottom plate, its characterized in that: a micro-motion unit and a balance scissor frame consisting of a male frame and a female frame are also arranged between the base plate and the keycap; the micro-motion unit is positioned in the hollow part of the scissor frame and is provided with a structural part for triggering the electric element to generate a signal, and the micro-motion unit is also provided with a pressing area which is contacted with the bottom of the keycap; when the keycap is pressed, the scissor frame descends, and the structural part of the micro-motion unit triggers the electric element to generate a signal through the pressing area; when the key cap is released, the micro-motion unit elastically resets to enable the structural part to be separated from the electric element, and the key cap and the scissor rack move upwards to reset through the pressing area.
2. The micro-motion balancing ultra-thin key assembly of claim 1, wherein: the micro-motion unit comprises a micro-motion reed, a reed seat and a structural member, wherein the structural member is assembled on the micro-motion reed, and the reed seat is assembled on the bottom plate; the structure includes a signal trigger and a pressing area.
3. The micro-motion balancing ultra-thin key assembly of claim 2, wherein: the movable end of the micro-motion reed is provided with a bending part, the reed seat is provided with a limit groove corresponding to the bending part, and the bending part is assembled in the limit groove to limit the movable end of the micro-motion reed.
4. The micro-motion balancing ultra-thin key assembly of claim 2, wherein: the structure is provided with a positioning column, the structure is assembled on the micro-motion reed through the positioning column, and the reed seat is provided with a clearance hole corresponding to the positioning column.
5. The micro-motion balancing ultra-thin key assembly of claim 1, wherein: the keycap is provided with a male frame slot hole for pivoting the male frame and a female frame slot hole for pivoting the female frame; the bottom plate is provided with a male frame hook used for connecting a male frame and a female frame hook used for connecting a female frame.
6. The micro-motion balancing ultra-thin key assembly of claim 2, wherein: the electric element is a light pair tube which is composed of a light emitting element and a light receiving element and provided with a light path, and the signal trigger part is of a grating structure.
7. The micro-motion balancing ultra-thin key assembly of claim 6, wherein: the grating structure is a light blocking part, a light guiding part or a light reflecting part.
8. The micro-motion balancing ultra-thin key assembly of claim 2, wherein: the electric element is a Hall sensor, and the signal triggering part is a magnetic part with a triggering Hall sensor.
9. The micro-motion balancing ultra-thin key assembly as recited in any one of claims 1-5, wherein: the bottom plate is a PCB, and the patch on the PCB is provided with an FCU driving chip LED.
10. The micro-motion balancing ultra-thin key assembly as recited in any one of claims 1-5, wherein: the pressing area is a soft glue structure arranged on the structural part and facing the direction of the keycap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012539.4U CN214099467U (en) | 2021-01-05 | 2021-01-05 | Ultra-thin key subassembly of fine motion balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012539.4U CN214099467U (en) | 2021-01-05 | 2021-01-05 | Ultra-thin key subassembly of fine motion balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099467U true CN214099467U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120012539.4U Active CN214099467U (en) | 2021-01-05 | 2021-01-05 | Ultra-thin key subassembly of fine motion balance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147634A1 (en) * | 2021-01-05 | 2022-07-14 | 广东瑞讯电子科技有限公司 | Micro-motion balancing ultrathin key assembly |
| WO2024045951A1 (en) * | 2022-08-29 | 2024-03-07 | 东莞市凯华电子有限公司 | Balancing assembly with good tactile feel |
-
2021
- 2021-01-05 CN CN202120012539.4U patent/CN214099467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147634A1 (en) * | 2021-01-05 | 2022-07-14 | 广东瑞讯电子科技有限公司 | Micro-motion balancing ultrathin key assembly |
| WO2024045951A1 (en) * | 2022-08-29 | 2024-03-07 | 东莞市凯华电子有限公司 | Balancing assembly with good tactile feel |
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