CN214099459U - Magnetic force shear shank key switch - Google Patents
Magnetic force shear shank key switch Download PDFInfo
- Publication number
- CN214099459U CN214099459U CN202120368822.0U CN202120368822U CN214099459U CN 214099459 U CN214099459 U CN 214099459U CN 202120368822 U CN202120368822 U CN 202120368822U CN 214099459 U CN214099459 U CN 214099459U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- key
- magnetic block
- key groove
- force
- 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.)
- Active
Links
- 230000009471 action Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a magnetic force shear shank key switch, the shear shank comprises male frame and female frame, be equipped with first magnetic path in the keyway, be equipped with the second magnetic path on the key seat, mutually attract when first magnetic path is adjacent with the second magnetic path, and the magnetic pole central axis that two magnetic paths attracted mutually is mutually perpendicular with the removal axis of clamp plate relative to the key seat when the maximum attraction; according to the magnetic key groove, the magnetic attraction force is sheared by the first magnetic block to enable the key groove to move relative to the key seat, and when the key groove is loosened, the magnetic attraction force of the two magnetic blocks drives the key groove to reset to the position of the maximum magnetic attraction force. This application sets up the installation through two magnetic blocks to be perpendicular for the action direction of the magnetic pole central axis between two magnetic blocks and keyway, forms the mode that the magnetic attraction was cuted to the pressing force when pressing, can feed back to the paragraph of pressing the finger pressure sudden change and feel, and effectual with magnetic attraction reset and the sudden change perfect adaptation of feeling, design benefit, and the batch production of just being convenient for has wide market space.
Description
Technical Field
The utility model relates to a key switch device, concretely relates to magnetic force shear shank key switch.
Background
The key switch is widely used in electronic products, and there are a switch shaft key for a keyboard, a micro switch for a mouse, and the like. A user of the electronic product presses the key switch to enable a moving part inside the key switch to act to trigger related electronic elements (such as a metal electric contact, a pair of light-emitting tubes, a hall switch and the like) to generate a switching signal, and when the user does not press the key switch, the key switch returns to a normal state, and a return spring or a reed and the like are generally adopted for returning. Certainly, in the prior art, there is also a technical scheme that magnetic force is used as a reset of the key switch, and a moving part of the key switch can return to a normal state after the pressing force is removed by utilizing the principle that like poles repel and unlike poles attract of magnetic blocks.
However, in the prior art, the magnetic force is basically used in a manner that the direction of magnetic attraction or magnetic repulsion (generally, the direction of the central axis of the magnetic poles of the two magnets) and the moving direction of the moving part (generally, the direction of pressing force received by the switch key) are in the same direction, the force provided by the arrangement of the magnetic blocks is linear and does not have a critical sudden change effect, and if a structural part capable of providing hand feeling is not additionally arranged, the switch key does not have any pressing section hand feeling (the pressing section hand feeling refers to hand feeling caused by sudden change of finger force fed back by the switch when a user presses the key switch).
In addition, the magnetic block is basically fixedly mounted on the key base and the key shaft in the prior art, and when a user needs a key switch with a knocking sound, a structural member capable of providing the knocking sound needs to be additionally arranged. Moreover, because the fixed installation mode makes the magnetic attraction or the magnetic repulsion between the magnetic blocks basically constant, the drawback that the magnitude of the pressing force cannot be adjusted exists.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a magnetic scissors rack key switch having a pressing section for feeling without adding extra structural members for providing feeling.
In order to realize the technical purpose, the utility model discloses a scheme is: a magnetic force shear shank key switch comprises a bottom plate, a key seat, a key groove and a shear shank pivoted in the key seat and the key groove, wherein the shear shank consists of a male shank and a female shank;
according to the magnetic key groove, the magnetic attraction force is sheared by the first magnetic block to enable the key groove to move relative to the key seat, and when the key groove is loosened, the magnetic attraction force of the two magnetic blocks drives the key groove to reset to the position of the maximum magnetic attraction force.
Preferably, a shell is sleeved outside the key groove, a second magnetic block accommodating cavity is arranged in the shell, and the second magnetic block is arranged in the second magnetic block accommodating cavity.
Preferably, a first magnetic block accommodating cavity extends in the key groove, the first magnetic block can be movably arranged in the first magnetic block accommodating cavity, and when the key groove is pressed, the first magnetic block can strike the cavity wall of the first magnetic block accommodating cavity under the action of magnetic force to form striking sound.
Preferably, at least one of the first magnetic block and the second magnetic block is an electromagnet, the electromagnet is provided with an electromagnetic adjusting unit, and the adjusting unit adjusts the maximum attraction force between the two magnetic blocks by adjusting the magnetic force of the electromagnet.
Preferably, the male frame is provided with a grating piece, the bottom plate is provided with a light pair tube in a patch mode, and when the key slot is pressed, the grating piece outputs an electric signal by changing a light path between the light pair tubes.
Preferably, a light guide column is arranged in the key groove, and an auxiliary elastic piece is sleeved on the light guide column.
Preferably, the bottom of the light guide column is also provided with an LED integrated with a Hall switch chip.
The utility model has the advantages that: this application sets up the installation through two magnetic blocks to be perpendicular for the action direction of the magnetic pole central axis between two magnetic blocks and keyway, forms the mode that the magnetic attraction was cuted to the pressing force when pressing, can feed back to the paragraph of pressing the finger pressure sudden change and feel, and effectual with magnetic attraction reset and the sudden change perfect adaptation of feeling, design benefit, and the batch production of just being convenient for has wide market space. In addition, the magnetic attraction force can be adjusted to adjust different pressing handfeel by changing the distance between the magnetic blocks; in addition, the principle that the magnetic block can act under the action of magnetic attraction is utilized, the magnetic block can be quickly attached to the wall of the accommodating cavity to form striking under the action of the magnetic attraction, the function that the key switch sends out striking sound is achieved, three functions can be achieved, and the practicability is good.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic structural view of the key groove of the present invention;
fig. 3 is a schematic structural view of the housing 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 a hall sensor according to an embodiment of the present invention;
FIG. 6 is a first schematic view of the central axis of the magnetic pole;
fig. 7 is a second schematic view of the central axis of the magnetic pole.
1. A keycap; 2. a housing; 201. a second magnetic block cavity; 3. a keyway; 301. a first magnetic block cavity; 4. a first magnetic block; 5. a second magnetic block; 6. a light guide pillar; 7. an auxiliary elastic member; 8. a scissor rack; 801. a male frame; 802. a mother frame; 803. a grating member; 9. a key base; 10. a base plate; an LED; 12. light is coupled to the tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-7, a specific embodiment of the present invention is a key switch, including a key cap 1, a bottom plate 10, a key seat 9, a key slot 3, and a scissor frame 8 pivoted in the key seat 9 and the key slot 3, the scissor frame 8 is composed of a male frame 801 and a female frame 802, one end of the male frame 801 and the female frame 802 is pivoted in a through hole on the key seat 9, the other end is pivoted in a connecting hole of the key slot 3, the male frame 801 and the female frame 802 are hinged to form a scissor-like structure, which can amplify the output stroke and output electrical signals linearly.
The magnetic attraction of the magnetic block is used as the power for resetting the key groove, and the traditional key switch adopts a reset spring, a reed and the like to provide the power for resetting the key groove. The utility model discloses a most core innovation lies in that the formula of opening a sentence has carried out specific overall arrangement to the magnetic path, can't rely on the magnetic path alone to acquire the technical problem that the paragraph was felt among the prior art of solution.
Specifically, a first magnetic block 4 is arranged in the key groove 3, a second magnetic block 5 is arranged on the key seat 9, the first magnetic block 4 and the second magnetic block 5 are mutually attracted when adjacent, and the central axis of a magnetic pole of the two magnetic blocks which are attracted to each other is mutually perpendicular to the moving axis of the pressing plate relative to the key seat 9 when the attraction force is maximum; according to the key groove 3, the first magnetic block 4 shears the magnetic attraction to enable the key groove 3 to move relative to the key seat 9, and when the key groove 3 is released, the two magnetic block magnetic attractions drive the key groove 3 to reset to the maximum magnetic attraction. When the maximum attraction force is generated between the two magnetic blocks (namely when the adjacent distance between the two magnetic blocks is shortest), the central axes of the magnetic poles of the two magnetic blocks (namely the shortest straight line from the magnetic pole of the first magnetic block to the opposite magnetic pole of the second magnetic block, shown by dotted lines in FIGS. 6-7) are perpendicular to the moving axis of the key slot relative to the key base; the arrangement has the advantages that when no external force is applied to press the key groove, the first magnetic block and the second magnetic block are in a state of attraction and maximum attraction force (namely the adjacent distance between the two magnetic blocks is shortest), and the state is a normal state of the key switch; when a user presses the key switch, the magnetic attraction force between the first magnetic block and the second magnetic block is cut by the external force applied to the key groove 3, so that the key groove 3 moves relative to the key seat 9, at the moment, the cut magnetic attraction force can be fed back to the section touch with sudden change of pressing finger pressure (a common person can slide the two magnetic blocks mutually to realize the rhythm touch of the section), the effect is caused by critical sudden change of the cut magnetic attraction force, and the conventional pulling magnetic attraction force is linear change of the force, so that the hand touch cannot be provided; when a user looses the pressing of the key switch, the external force applied to the key groove 3 is eliminated, at this time, the first magnetic block 4 on the key groove 3 is attracted by the second magnetic block 5 on the key seat 9 and is attracted to the position with the maximum magnetic attraction force of the two magnetic blocks (namely, the position with the shortest adjacent distance of the two magnetic blocks), and the key groove 3 is restored to the normal state according to the position, so that the reset is realized.
In the specific embodiment of this application, the outside cover of keyway 3 is equipped with shell 2, be equipped with second magnetic path appearance chamber 201 in shell 2, second magnetic path 5 is arranged in second magnetic path appearance chamber 201, it is equipped with first magnetic path appearance chamber 301 to extend in keyway 3, first magnetic path 4 can be arranged in first magnetic path appearance chamber 301 movably, and when pressing keyway 3, first magnetic path 4 can hit first magnetic path appearance chamber 301 chamber wall and form the sound of pounding under the magnetic force effect. In the present application, the second magnetic block 5 is preferably fixed in the second magnetic block cavity 201 in a limiting manner, in other specific embodiments, the first magnetic block 4 may also be fixed in the first magnetic block cavity 301 in a limiting manner, and the second magnetic block 5 is movably located in the second magnetic block cavity 201, so that the key switch can sound when the key slot 3 is pressed.
In order to adjust hand feeling of the paragraphs, at least one of the first magnetic block 4 and the second magnetic block 5 is an electromagnet, the electromagnet is provided with an electromagnetic adjusting unit, and the adjusting unit adjusts the maximum attractive force between the two magnetic blocks by adjusting the magnetic force of the electromagnet.
When this application is used for the photoelectricity button, be equipped with grating piece 803 on public frame 801, the paster is equipped with light geminate transistors 12 on the bottom plate 10, when pressing keyway 3, and grating piece 803 is through changing the optical path output electrical signal between the light geminate transistors 12, and the grating piece can be for leaded light spare, hinder light spare or reflection of light spare, and the positional relationship between the light geminate transistors is according to grating piece adjustment.
When the electromagnetic key is used as an electromagnetic key, the light guide column 6 is arranged in the key groove 3, the LED11 integrated with the Hall switch chip is further arranged at the bottom of the light guide column 6, cool and dazzling light can be provided for the key, in addition, the Hall switch chip can also sense the magnetic force change of the movement of the upper magnetic block, and further can send a switching signal; the light guide column 6 is sleeved with an auxiliary elastic part 7, the auxiliary elastic part 7 is used for assisting the key groove 3 to reset, and the auxiliary elastic part can also be omitted and directly reset by utilizing the magnetic block suction force.
This application sets up the installation through two magnetic blocks to be perpendicular for the action direction of the magnetic pole central axis between two magnetic blocks and keyway, forms the mode that the magnetic attraction was cuted to the pressing force when pressing, can feed back to the paragraph of pressing the finger pressure sudden change and feel, and effectual with magnetic attraction reset and the sudden change perfect adaptation of feeling, design benefit, and the batch production of just being convenient for has wide market space. In addition, the magnetic attraction force can be adjusted to adjust different pressing handfeel by changing the distance between the magnetic blocks; in addition, the principle that the magnetic block can act under the action of magnetic attraction is utilized, the magnetic block can be quickly attached to the wall of the accommodating cavity to form striking under the action of the magnetic attraction, the function that the key switch sends out striking sound is achieved, three functions can be achieved, and the practicability is good.
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 (7)
1. The utility model provides a magnetic force scissors frame keyswitch which characterized in that: the scissors frame consists of a male frame and a female frame, a first magnetic block is arranged in the key groove, a second magnetic block is arranged on the key seat, the first magnetic block and the second magnetic block attract each other when being adjacent, and the central axis of a magnetic pole of the two magnetic blocks which attract each other is mutually vertical to the moving axis of the pressing plate relative to the key seat when the maximum attraction force is generated;
according to the magnetic key groove, the magnetic attraction force is sheared by the first magnetic block to enable the key groove to move relative to the key seat, and when the key groove is loosened, the magnetic attraction force of the two magnetic blocks drives the key groove to reset to the position of the maximum magnetic attraction force.
2. A magnetic scissor-rack keyswitch as claimed in claim 1, wherein: the outer shell is sleeved outside the key groove, a second magnetic block containing cavity is arranged in the outer shell, and the second magnetic block is arranged in the second magnetic block containing cavity.
3. A magnetic scissor-rack keyswitch as claimed in claim 1, wherein: a first magnetic block containing cavity extends in the key groove, the first magnetic block can be movably arranged in the first magnetic block containing cavity, and when the key groove is pressed, the first magnetic block can strike the cavity wall of the first magnetic block containing cavity under the action of magnetic force to form knocking sound.
4. A magnetic scissor-rack keyswitch as claimed in claim 1, wherein: at least one of the first magnetic block and the second magnetic block is an electromagnet, the electromagnet is provided with an electromagnetic adjusting unit, and the adjusting unit adjusts the maximum attraction force between the two magnetic blocks by adjusting the magnetic force of the electromagnet.
5. A magnetic scissor-rack keyswitch as claimed in claim 1, wherein: the male frame is provided with a grating piece, the bottom plate is provided with optical geminate transistors in a paster mode, and when the key groove is pressed, the grating piece outputs an electric signal by changing an optical path between the optical geminate transistors.
6. A magnetic scissor-rack keyswitch as claimed in claim 1, wherein: be equipped with the leaded light post in the keyway, the leaded light post cover is equipped with supplementary elastic component.
7. A magnetic scissor-rack keyswitch as claimed in claim 6, wherein: and the bottom of the light guide column is also provided with an LED integrated with a Hall switch chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368822.0U CN214099459U (en) | 2021-02-10 | 2021-02-10 | Magnetic force shear shank key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368822.0U CN214099459U (en) | 2021-02-10 | 2021-02-10 | Magnetic force shear shank key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099459U true CN214099459U (en) | 2021-08-31 |
Family
ID=77440510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120368822.0U Active CN214099459U (en) | 2021-02-10 | 2021-02-10 | Magnetic force shear shank key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099459U (en) |
-
2021
- 2021-02-10 CN CN202120368822.0U patent/CN214099459U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3678156B1 (en) | Magnetic-type button | |
| US8937520B2 (en) | Magnetic keyswitch assembly and keyboard therewith | |
| CN109166750B (en) | Key structure of mechanical keyboard | |
| WO2023044596A1 (en) | Key with adjustable pressing sound and pressing hand feeling | |
| WO2022143376A1 (en) | Balancing frame triggered turning-on and sound production mechanism applied to keyboard switch | |
| CN214099459U (en) | Magnetic force shear shank key switch | |
| CN214099460U (en) | Magnetic push-button switch | |
| CN210609114U (en) | Keyboard with reflecting optical axis | |
| CN214099452U (en) | Magnetic micro-button switch | |
| CN217035479U (en) | Switchable voiced and unvoiced microswitch | |
| CN214378144U (en) | Magnetic button switch | |
| WO2022147634A1 (en) | Micro-motion balancing ultrathin key assembly | |
| CN214099467U (en) | Ultra-thin key subassembly of fine motion balance | |
| TW202001960A (en) | Keyswitch structure | |
| CN110137016B (en) | High balance key and keyboard | |
| CN112820572A (en) | Magnetic push-button switch | |
| CN213781893U (en) | Ultra-thin fine motion button subassembly | |
| CN214591371U (en) | Mute micro-button switch | |
| CN213461715U (en) | Press-force adjustable key | |
| CN218241653U (en) | Mute micro-button switch | |
| CN212485176U (en) | Double-conduction key switch | |
| EP3975217B1 (en) | Keyboard key | |
| CN211062627U (en) | Noiseless micro-gap switch | |
| CN215988541U (en) | a mechanical keyboard | |
| CN209981068U (en) | High-balance key and keyboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |