CN109887782B - Ultrathin notebook keyboard - Google Patents
Ultrathin notebook keyboard Download PDFInfo
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- CN109887782B CN109887782B CN201910235025.2A CN201910235025A CN109887782B CN 109887782 B CN109887782 B CN 109887782B CN 201910235025 A CN201910235025 A CN 201910235025A CN 109887782 B CN109887782 B CN 109887782B
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- shaft core
- bottom cover
- key
- circuit board
- upper cover
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Abstract
The invention relates to the technical field of keyboards, in particular to an ultrathin notebook keyboard, which comprises a circuit board and a plurality of keys arranged on the circuit board, wherein each key comprises a key cap and a key shaft, each key shaft comprises an upper cover, a bottom cover connected with the upper cover and a shaft core connected with the key cap, the shaft core is penetrated through the upper cover and then is in sliding connection with the bottom cover, a signal part for outputting signals when the shaft core slides downwards is arranged on the circuit board, a guide pillar is fixed on the bottom cover, the shaft core is provided with a guide hole, the guide pillar is penetrated through the guide hole and then is in sliding connection with the shaft core, a reset part for resetting after the shaft core slides is sleeved on the guide pillar, a first stress component for keeping balance when the shaft core slides upwards and downwards is detachably arranged between the shaft core and the bottom cover, and a second stress component for keeping balance when the key cap slides upwards and downwards along with the shaft core is detachably arranged between the key cap and the bottom cover. The ultrathin notebook keyboard provided by the invention has higher sensitivity and good use feeling.
Description
Technical Field
The invention relates to the technical field of keyboards, in particular to an ultrathin notebook keyboard.
Background
A mechanical keyboard is a type of keyboard in which each key of the mechanical keyboard has a separate switch, also referred to as a "shaft", for controlling the closing. Because each key consists of an independent jog, the key section has a strong sense of touch, thereby generating a special hand feeling suitable for game entertainment, and the key section is usually used as a relatively expensive high-end game peripheral.
At present, the notebook computers applicable to electronic contest games still adopt a thin keyboard applicable to a common notebook computer, and the ultrathin keyboard does not have the performance of a mechanical keyboard and has lower operation sensitivity, so that users usually need to externally connect the mechanical keyboard to meet game experience.
So the ultrathin keyboard suitable for the notebook computer starts to appear on the market, the special hand feeling of the keyboard is provided, and the keyboard also has higher sensitivity, but because the keyboard is thinner, the problem that when the user presses the edge corner angle of the key by fingers, the edge corner of the key is bottom, the key shaft cannot be pressed down, and the sensitivity is lower than that of the normal mechanical keyboard is solved.
Disclosure of Invention
The invention provides an ultrathin notebook keyboard aiming at the problems in the prior art, and the first stress component and the second stress component for controlling balance are arranged in the ultrathin notebook keyboard, so that the stress of the keyboard when the keys are pressed down is more uniform, and the ultrathin notebook keyboard is beneficial to improving the use handfeel of a user and the sensitivity of keyboard operation.
In order to solve the technical problems, the ultrathin notebook keyboard comprises a circuit board and a plurality of keys arranged on the circuit board, wherein each key comprises a key cap and a key shaft arranged below the key cap, each key shaft comprises an upper cover, a bottom cover connected with the upper cover and a shaft core connected with the key cap, the shaft core penetrates through the upper cover and is in sliding connection with the bottom cover, a signal part for outputting signals when the shaft core slides downwards is arranged on the circuit board, the bottom cover is fixedly provided with a guide post, the shaft core is provided with a guide hole, the guide post penetrates through the guide hole and is in sliding connection with the shaft core, a reset part for resetting after sliding of the shaft core is sleeved on the guide post, a first stress component for keeping balance when the shaft core slides upwards and downwards is detachably arranged between the shaft core and the bottom cover, and a second stress component for keeping balance when the key cap slides upwards and downwards along with the shaft core is detachably arranged between the key core and the bottom cover.
The first stress component comprises two first connecting rods symmetrically arranged on two sides of the shaft core, each first connecting rod comprises a first cylindrical strip, a first clamping strip and a first supporting strip used for connecting the first cylindrical strip and the first clamping strip, first clamping grooves used for accommodating the first clamping strips are formed in two sides of the shaft core, and the first cylindrical strips are in butt joint with the bottom of the bottom cover.
The second stress assembly comprises a second connecting rod, the second connecting rod comprises a second cylindrical bar, a second clamping bar and a second supporting bar used for connecting the second cylindrical bar and the second clamping bar, first grooves which are slidably connected with the second cylindrical bar are formed in two sides of the shaft core, and second clamping grooves used for accommodating the second clamping bar are formed in one side of the bottom cover.
Preferably, the signal element is a photosensitive element electrically connected to the circuit board.
Preferably, a baffle is arranged on one side of the shaft core, a third clamping groove for accommodating the baffle is formed in the upper cover, a second groove which is clamped with the baffle is formed in the bottom cover, and the baffle can be embedded in a middle gap of the photosensitive device when sliding downwards.
Wherein, be equipped with An Di a dress grooves on the bottom, first mounting groove is embedded to be equipped with the bullet piece, the bullet piece includes U type shell fragment and the stationary blade of being connected with the middle part of U type shell fragment, the both sides of U type shell fragment opening part all are equipped with the inclined plane that leans out, the upper cover is equipped with the breach, U type shell fragment top is located to the breach, bullet piece top is equipped with the diamond, the diamond is fixed in on the axle core.
Preferably, the notebook keyboard further comprises an iron plate, the iron plate is provided with a second mounting groove for mounting the key shaft, the circuit board is provided with a third mounting groove for mounting the key shaft, and the iron plate is detachably connected with the key shaft.
Wherein, both sides of the upper cover are provided with clamping tables for abutting against the iron plates.
Preferably, rectangular bumps are arranged at four corners of the bottom cover, and L-shaped notches for clamping the bumps are arranged at four corners of the upper cover.
Preferably, the back of the circuit board is electrically connected with a light emitting diode, and the upper cover and the bottom cover are both made of transparent light guide materials.
The beneficial effects are that:
According to the ultrathin notebook keyboard provided by the invention, the first stress component and the second stress component are arranged in the key shaft, so that the stress of the whole key is more uniform, and when a user strikes the edge of the key, the whole key can be pressed down, so that the sensitivity of the keyboard is effectively improved, meanwhile, the paragraph sense of the key of the mechanical keyboard is maintained, and the use feeling of the user is improved.
Drawings
Fig. 1 is a schematic exploded view of the present invention.
Fig. 2 is a schematic structural view of the upper cover of the present invention.
Fig. 3 is a schematic structural view of the bottom cover of the present invention.
Fig. 4 is a schematic structural view of the shaft core of the present invention.
Fig. 5 is a schematic structural view of a spring block according to the present invention.
Fig. 6 is a schematic diagram of an assembled structure of the shaft core and the bottom cover of the present invention.
Fig. 7 is a schematic diagram showing an assembly structure of the shaft core, the upper cover and the bottom cover of the present invention.
Fig. 8 is a schematic diagram of an assembly structure of a circuit board and a signal member according to the present invention.
Fig. 9 is a schematic diagram of an assembly structure of an iron plate and a key shaft according to the present invention.
Fig. 10 is a cross-sectional view at AA' of fig. 9.
The reference numerals in fig. 1 to 10 include:
The device comprises a circuit board, 11-signal pieces, 12-third mounting grooves, 13-light emitting diodes, 2-keys, 21-keycaps, 22-keyshafts, 23-upper covers, 24-bottom covers, 25-mandrels, 231-third clamping grooves, 232-notches, 233-clamping tables, 234-L-shaped notches, 241-guide posts, 242-reset pieces, 243-second clamping grooves, 244-second grooves, 245-first mounting grooves, 246-elastic blocks, 247-U-shaped elastic pieces, 248-fixing pieces, 249-inclined surfaces, 2401-rectangular bumps, 2402-limit grooves, 251-guide holes, 252-first clamping grooves, 253-first grooves, 254-baffle plates, 255-external members, 256-diamond-shaped blocks, 257-fixing columns, 3-first stress components, 31-first connecting rods, 32-first cylindrical strips, 33-first clamping strips, 34-first support strips, 4-second stress components, 41-second connecting rods, 42-second cylindrical strips, 43-second clamping strips, 44-second support strips, 5-second support strips, and 5-second support plates.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention. The present invention will be described in detail below with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1 and 7, the key comprises a circuit board 1 and a plurality of keys 2 mounted on the circuit board 1, the keys 2 comprise a key cap 21 and a key shaft 22 mounted below the key cap 21, the key shaft 22 comprises an upper cover 23, a bottom cover 24 connected with the upper cover 23 and a shaft core 25 connected with the key cap 21, the shaft core 25 is slidably connected with the bottom cover 24 after penetrating through the upper cover 23, a signal element 11 for outputting signals when the shaft core 25 slides downwards is arranged on the circuit board 1, a guide post 241 is fixed on the bottom cover 24, the shaft core 25 is provided with a guide hole 251, the guide post 241 is slidably connected with the shaft core 25 after penetrating through the guide hole 251, a reset element 242 for resetting the shaft core 25 after sliding is sleeved on the guide post 241, a first stress component 3 for maintaining balance when the shaft core 25 slides upwards and downwards is detachably mounted between the shaft core 25 and the bottom cover 24, and a second stress component 4 for maintaining balance when the key cap 21 slides upwards and downwards along with the shaft core 25 is detachably mounted between the shaft core 21 and the bottom cover 24.
Preferably, as shown in fig. 1, 6 and 7, the first stress assembly 3 includes two first connecting rods 31 symmetrically disposed on two sides of the shaft core 25, the first connecting rods 31 include a first cylindrical bar 32, a first clamping bar 33, and a first supporting bar 34 for connecting the first cylindrical bar 32 and the first clamping bar 33, first clamping grooves 252 for accommodating the first clamping bar 33 are disposed on two sides of the shaft core 25, and the first cylindrical bar 32 is abutted to the bottom of the bottom cover 24.
Preferably, as shown in fig. 1,6 and 7, the second stress assembly 4 includes a second connecting rod 41, the second connecting rod 41 includes a second cylindrical bar 42, a second clamping bar 43, and a second supporting bar 44 for connecting the second cylindrical bar 42 and the second clamping bar 43, both sides of the shaft core 25 are respectively provided with a first groove 253 slidably connected with the second cylindrical bar 42, and one side of the bottom cover 24 is provided with a second clamping groove 243 for accommodating the second clamping bar 43.
Specifically, the upper cover 23, the bottom cover 24 and the shaft core 25 are connected, when the user presses the key cap 21, the key cap 21 drives the shaft core 25 to press down, the shaft core 25 presses down and controls the signal piece 11 on the circuit board 1 to send signals, the shaft core 25 and the key cap 21 are controlled to reset through the reset piece 242, preferably, the reset piece 242 is a spring, when the shaft core 25 presses down, the guide pillar 241 of the bottom cover 24 passes through the guide hole 251 to squeeze the spring, and when the shaft core 25 is not stressed, the spring resumes driving the shaft core 25 to reset. In fig. 6 and 7, in order to make the force applied to the key 2 more uniform when pressing down, the first connecting rod 31 and the second connecting rod 41 are installed in the key shaft 22, the first connecting rod 31 and the second connecting rod 41 are respectively in a rectangular shape with an opening, but not limited to, each part of the first connecting rod 31 and the second connecting rod 41 is cylindrical, the first clamping grooves 252 on two sides of the shaft core 25 are respectively in a T shape, when installing, the first clamping strips 33 on two sides of the opening of the first connecting rod 31 are connected by the vertical parts of the first clamping grooves 252 in the T shape, then the first cylindrical strips 32 of the first connecting rod 31 are abutted in the bottom cover 24, when the shaft core 25 slides up and down, the first connecting rod 31 on two sides of the shaft core 25 rotates around the first cylindrical strips 32, the two first connecting rods 31 are controlled to synchronously rotate, the first clamping grooves 252 on two sides of the shaft core 25 are uniformly stressed in the direction parallel to the first cylindrical strips 32, four corners of the bottom cover 24 are respectively provided with rectangular bumps 253, wherein the first clamping strips 24 are respectively pressed down on two sides of the second cylindrical strips 240 and the second cylindrical strips 25, and the second clamping strips 243 are respectively pressed down in the direction parallel to the second cylindrical strips 2, and the second cylindrical strips 2 are respectively, and the key 2 can be pressed down, and the key 2 can be effectively pressed down, and the key 2 can be well in the direction and the first clamping strips and the second clamping strips.
In this embodiment, as shown in fig. 1 and fig. 4, the signal element 11 is a photosensitive element electrically connected to the circuit board 1, the photosensitive element is disposed on the back surface of the circuit board 1, a baffle 254 is disposed on one side of the shaft core 25, the upper cover 23 is provided with a third slot 231 for accommodating the baffle 254, the bottom cover 24 is provided with a second groove 244 clamped with the baffle 254, and the baffle 254 can be embedded in a middle gap of the photosensitive element when sliding down.
Specifically, the photosensitive device is a photosensitive diode, the photosensitive diode is fixed on the back of the circuit board 1, the front installation space of the circuit board 1 can be saved, a sliding groove is formed in the position, opposite to the gap of the photosensitive diode, of the circuit board 1, a sleeve 255 is sleeved on the baffle 254, when the shaft core 25 is pressed down, the baffle 254 is pressed down along with the sliding groove and clamped into the sliding groove, the middle gap of the photosensitive diode is blocked, the blocked photosensitive diode sends out a control signal along with the blocking photosensitive diode, after the shaft core 25 is not stressed, the baffle 254 leaves the sliding groove, the photosensitive diode does not send a signal, and the keyboard can be thinned by adopting a matching structure of the photosensitive diode and the baffle 254, and the input of the keyboard can be completed only by meeting the relative displacement of the baffle 254 inserted into the sliding groove.
In this embodiment, as shown in fig. 2, 3 and 5, a An Di mounting groove is formed in the bottom cover 24, a spring block 246 is embedded in the first mounting groove 245, the spring block 246 includes a U-shaped spring 247 and a fixing piece 248 connected with the middle of the U-shaped spring 247, two sides of the opening of the U-shaped spring 247 are respectively provided with an inclined plane 249 that inclines outwards, the upper cover 23 is provided with a notch 232, the notch 232 is disposed above the U-shaped spring 247, a diamond block 256 is disposed above the spring block 246, and the diamond block 256 is fixed on the shaft core 25.
Specifically, one of the characteristics of the mechanical keyboard is the sound of clicking the keyboard, in order to make the sound of the notebook keyboard more crisp, a structure of the U-shaped elastic piece 247 and an inclined plane 249 arranged at the opening of the U-shaped elastic piece 247 is adopted, and then the diamond-shaped block 256 of the axle core 25 is matched, when the axle core 25 is pressed down, the diamond-shaped block 256 is clamped into the U-shaped elastic piece 247 along the inclined plane 249 and knocks the bottom of the U-shaped elastic piece 247, and sounds are emitted, meanwhile, when the diamond-shaped block 256 is clamped into the joint of the inclined plane 249 and the U-shaped elastic piece 247, the user can be well provided with a click feeling, and when the axle core 25 is recovered, the diamond-shaped block 256 moves out of the U-shaped elastic piece 247 along with the U-shaped elastic piece 247, and the structure of the U-shaped elastic piece 247 is adopted, so that the service life of the keyboard can be ensured compared with wire springs and the like in the prior art, and the knocked sounds are more beautiful.
In this embodiment, as shown in fig. 1,2, 9 and 10, the notebook keyboard further includes an iron plate 5, the iron plate 5 is provided with a second mounting groove 51 for mounting the key shaft 22, the circuit board 1 is provided with a third mounting groove 12 for mounting the key shaft 22, the iron plate 5 is detachably connected with the key shaft 22, and two sides of the upper cover 23 are respectively provided with a clamping table 233 for abutting against the iron plate 5.
Specifically, the iron plate 5 is added on the original circuit board 1, the connection between the iron plate 5 and the circuit board 1 adopts a sinking plate mode, namely, the connection fixing effect is better, the clamping tables 233 are arranged on two sides of the upper cover 23, when the circuit board is installed, the iron plate 5 is clamped on the clamping tables 233, as shown in fig. 7, the connected upper cover 23 and the bottom cover 24 can be tightly pressed to prevent the circuit board from falling off, when the key shaft 22 is to be taken out, the iron plate 5 can be directly pulled out, the key shaft 22 is taken out, and the clamping structure of the iron plate 5 is arranged, so that the key shaft 22 is prevented from being installed on the circuit board 1, and the circuit board 1 is easy to damage.
In this embodiment, as shown in fig. 2,3 and 7, rectangular bumps 2401 are disposed at four corners of the bottom cover 24, L-shaped notches 234 for clamping the bumps are disposed at four corners of the upper cover 23, fixing columns 257 are disposed at four corners of the shaft core 25, and a limiting groove 2402 for clamping the fixing columns 257 is disposed on the bottom cover 24.
Specifically, the upper cover 23 is assembled with the bottom cover 24, rectangular projections 2401 at four corners of the bottom cover 24 are fitted into the L-shaped notches 234 of the upper cover 23, so that displacement of the upper cover 23 and the bottom cover 24 in the horizontal direction can be prevented, and a limiting groove 2402 is provided in the bottom cover 24, and when the shaft core 25 moves downward, the fixing post 257 is inserted into the limiting groove 2402, so that displacement of the shaft core 25 can be prevented.
In this embodiment, as shown in fig. 1, the back surface of the circuit board 1 is electrically connected with the light emitting diode 13, and the upper cover 23 and the bottom cover 24 are made of transparent light guiding materials, as shown in fig. 8, the light emitting diode 13 is disposed on the back surface, so that the installation space on the circuit board can be saved, the light emitting diode 13 is disposed on the other side of the circuit board opposite to the signal element 11, that is, the light emitting diode 13 emits light from the side direction, and then the transparent light guiding materials are matched, so that the light emission of the keyboard is more uniform, glare is avoided, and the visual effect is better.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and that the invention is not limited thereto, but is intended to be limited thereto, when the technical content disclosed above is utilized to make a little change or modification into equivalent embodiments of equivalent changes, but the technical content of the invention is not deviated from, any simple modification, equivalent changes and modification of the above embodiments are all within the scope of the technical solution of the invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235025.2A CN109887782B (en) | 2019-03-26 | 2019-03-26 | Ultrathin notebook keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235025.2A CN109887782B (en) | 2019-03-26 | 2019-03-26 | Ultrathin notebook keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109887782A CN109887782A (en) | 2019-06-14 |
| CN109887782B true CN109887782B (en) | 2025-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910235025.2A Active CN109887782B (en) | 2019-03-26 | 2019-03-26 | Ultrathin notebook keyboard |
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| Country | Link |
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| CN (1) | CN109887782B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644906A (en) * | 2021-09-13 | 2021-11-12 | 广东瑞讯电子科技有限公司 | Ultra-thin balanced press photoelectric key structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205645574U (en) * | 2016-01-13 | 2016-10-12 | 东莞市凯华电子有限公司 | Keyboard switch |
| CN109494107A (en) * | 2018-12-07 | 2019-03-19 | 东莞市高特电子有限公司 | Ultrathin optical keyboard of notebook computer |
| CN209418374U (en) * | 2019-03-26 | 2019-09-20 | 东莞市高特电子有限公司 | A kind of ultra-thin keyboard of notebook computer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204809086U (en) * | 2015-06-09 | 2015-11-25 | 杨丽 | A mechanical keyboard key switch with central light guide |
| CN205428787U (en) * | 2016-04-01 | 2016-08-03 | 余正明 | Slim mechanical axis switch |
| CN108305804B (en) * | 2017-01-13 | 2019-08-16 | 光宝电子(广州)有限公司 | Mechanical switch structure |
-
2019
- 2019-03-26 CN CN201910235025.2A patent/CN109887782B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205645574U (en) * | 2016-01-13 | 2016-10-12 | 东莞市凯华电子有限公司 | Keyboard switch |
| CN109494107A (en) * | 2018-12-07 | 2019-03-19 | 东莞市高特电子有限公司 | Ultrathin optical keyboard of notebook computer |
| CN209418374U (en) * | 2019-03-26 | 2019-09-20 | 东莞市高特电子有限公司 | A kind of ultra-thin keyboard of notebook computer |
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| Publication number | Publication date |
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| CN109887782A (en) | 2019-06-14 |
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