CN208421776U - A kind of magnetic force key - Google Patents
A kind of magnetic force key Download PDFInfo
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- CN208421776U CN208421776U CN201821240972.8U CN201821240972U CN208421776U CN 208421776 U CN208421776 U CN 208421776U CN 201821240972 U CN201821240972 U CN 201821240972U CN 208421776 U CN208421776 U CN 208421776U
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- magnetic element
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- retaining wall
- shell
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Abstract
The utility model relates to keyboard fields, espespecially a kind of magnetic force key, the utility model includes shell, the first magnetic element is equipped in shell, second magnetic element, third magnetic element, axis, the side wall of axis has the first retaining wall, second retaining wall, second magnetic element is fixed on the first retaining wall, between second retaining wall, under natural conditions, first magnetic element is to the second magnetic element magnetic, when the thrust of pressing axis is greater than the suction between the first magnetic element and the second magnetic element, second of magnetic element, which is moved downward, to be generated suction close to third magnetic element and moves downward generation paragraph sense rapidly, simultaneously, reversing magnetic field caused by second magnetic element moving process is applied on Hall sensor, Hall sensor is connected and exports input signal, its end is connected with circuit board contacts instead of direct pressing axis, it can The whole height for effectively reducing magnetic force key, occupies little space.
Description
Technical field
The utility model relates to keyboard field, espespecially a kind of magnetic force key.
Background technique
It is also most important input equipment in computer system that keyboard, which is the most frequently used, makes to touch by the key beaten on keyboard
Point is switched on or off, so that letter, number, punctuation mark etc. are input in computer.Keyboard be divided into mechanical keyboard and
The features such as thin film type keyboard, mechanical keyboard have good hand touch, and controllability is high, sensitive and durable, it is deep to be liked by game player.
Currently, the keyboard of the overwhelming majority, what is used is all that film contacts formula or the mechanical switch pipe way of contact are realized
Feel and conducting, service life are influenced by mechanical fatigue, can only generally accomplish millions of times, and service life is short, meanwhile, these are pressed
Key is all to contact the effect for realizing input digital signal with contact by axis, so that these keys need to reserve many skies
Between allow the axis realization to move up and down this process, it is big still to get rid of occupied space using the laptop of this keyboard
Problem.
Summary of the invention
To solve the above problems, the utility model provides a kind of magnetic force key, paragraph sense and conducting are realized using magnetic force, from
And incorporate axis in circuit board, the occupancy in space is effectively reduced, and improve service life.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: magnetic force key, includes shell, electricity
Road plate, Hall sensor, axis, shell is interior to be equipped with the first magnetic element, the second magnetic element, third magnetic element, resets bullet
Spring, axis are plugged on the surface of shell, and reset spring is arranged between axis and shell, and the side wall of axis is equipped with symmetrical above and below
First retaining wall, the second retaining wall are equipped with gap between the first retaining wall, the second retaining wall, the second magnetic element is arranged in gap, described
The height in gap is honest and kind bigger than the second magnetic element, and the first magnetic element, the second magnetic element are fixedly installed inside the shell simultaneously
It is located above and below the second magnetic element, the second magnetic core element is the permanent magnet of axial charging, and shell is arranged in electricity
The surface of road plate, Hall sensor are connect with circuit board, the changes of magnetic field letter of Hall sensor the second magnetic element of corresponding acquisition
Number.
Further, first magnetic element, third magnetic element are silicon steel sheet.
Further, further include having a pin shaft, the first retaining wall, the second retaining wall surface be equipped with mutual corresponding through-hole, institute
State pin shaft makes the second magnetic element be fixed on the first retaining wall and second gear across the first retaining wall, the second magnetic element, the second retaining wall
Between wall.
Further, the shell includes pedestal and upper cover, and the upper edge of pedestal is equipped with fixture block, and the inside of upper cover is equipped with
Card slot, the surface that the upper cover lid is located at shell make fixture block be fixed with card slot.
Further, the lower end of upper key is equipped with the pothole that Open Side Down, and reset spring is arranged in pothole.
Further, mounting blocks are symmetrically arranged on the inside of shell, the surface of mounting blocks is equipped with mounting post, the first magnetic member
The surface of part is equipped with mounting hole corresponding with mounting post, and mounting post is plugged in mounting hole.
Further, the lower edge of shell is equipped with concave surface, and Hall sensor is arranged in concave surface.
Further, the surface of the first magnetic element is equipped with and opens for the first retaining wall, the second magnetic element pass through first
Face, the surface of third magnetic element, which is equipped with, opens face for the second retaining wall, the second magnetic element pass through second.
The utility model has the beneficial effects that:
The utility model includes shell, and the magnetic member of the first magnetic element, the second magnetic element, third is equipped in shell
Part, axis, the side wall of axis have the first retaining wall, the second retaining wall, the second magnetic element be fixed on the first retaining wall, the second retaining wall it
Between, under natural conditions, the first magnetic element is to the second magnetic element magnetic, when the thrust of pressing axis is greater than the first magnetic element
With the suction between the second magnetic element, second of magnetic element, which is moved downward, generates suction and rapid close to third magnetic element
Generation paragraph sense is moved downward, meanwhile, reversing magnetic field caused by the second magnetic element moving process is applied to Hall sensor
On, Hall sensor is connected and exports input signal, its end is connected with circuit board contacts instead of direct pressing axis, can
The whole height for effectively reducing magnetic force key, occupies little space, non-contact conducting, longer life expectancy.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of this specific embodiment.
Fig. 2 is the perspective view of the explosion under this specific embodiment overlooking state.
Fig. 3 is the structural schematic diagram of this specific embodiment.
Fig. 4 is the another structural schematic diagram of this specific embodiment.
Fig. 5 is the side view of this specific embodiment.
Fig. 6 is enlarged diagram at the A of this specific embodiment
Fig. 7 is the structural schematic diagram of the first magnetic element in this specific embodiment.
Fig. 8 is the structural schematic diagram of third magnetic element in this specific embodiment.
Fig. 9 is enlarged diagram at the B of this specific embodiment.
Drawing reference numeral explanation: 1. circuit boards；2. Hall sensor；3. shell；4. axis；5. the first magnetic element；6. the
Two magnetic elements；7. third magnetic element；8. pin shaft；9. reset spring；10. the first retaining wall；11. the second retaining wall；12. through-hole；
100. first opens face；101. second opens face；102. pedestal；103. upper cover；104. fixture block；105. pothole；106. mounting blocks；107.
Concave surface；108. mounting post；109. mounting hole.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.The first magnetic element 5 is in the utility model
First magnetic element 5 of strip, the second magnetic element 6 are the second circular magnetic element 6, and third magnetic element 7 is length
The third magnetic element 7 of cube shape, certainly, this is only a kind of embodiment, it should be understood that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
It please refers to shown in Fig. 1-6, the utility model includes shell 3, circuit board 1, Hall biography about a kind of magnetic force key
Sensor 2, axis 4, shell 3 is interior to be equipped with the first magnetic element 5, the second magnetic element 6, third magnetic element 7, reset spring 9, in
Axis 4 is plugged on the surface of shell 3, and reset spring 9 is arranged between axis 4 and shell 3, and the side wall of axis 4 is equipped with symmetrical above and below
The first retaining wall 10, the second retaining wall 11, between the first retaining wall 10, the second retaining wall 11 be equipped with gap, the second magnetic element 6 setting exists
In gap, the height in the gap is honest and kind bigger than the second magnetic element 6, and the first magnetic element 5, the second magnetic element 6 are fixed
Be arranged in shell 3 and be located above and below the second magnetic element 6, the second magnetic core element 6 be axial charging forever
The surface of circuit board 1 is arranged in magnet, shell 3, and Hall sensor 2 is connect with circuit board 1, the corresponding acquisition of Hall sensor 2 the
The magnetic field variation signal of two magnetic elements 6.
The use principle of the utility model:
Under the action of reset spring 9 and the second retaining wall 11, the second magnetic element 6 is close to the first magnetic element 5 and with
One magnetic element 5 absorption fitting, when the power on pressing axis 4 is greater than the suction of the first magnetic element 5 and the second magnetic element 6
When, the first retaining wall 10 pushes the second magnetic element 6 to move downward and approach with third magnetic element 7 and generate magnetic, when second
When the suction of magnetic element 6 and third magnetic element 7 is greater than the suction that the first magnetic element 5 and the second magnetic element 6 generate, the
Two magnetic elements 6 move downward rapidly and adsorb the surface for being fitted in third magnetic element 7；Second magnetic element, 6 moving process
The reversing magnetic field of generation is applied on Hall sensor 2, and Hall sensor 2 is connected and exports input signal.
Further, first magnetic element 5, the second magnetic element 6 are silicon steel sheet；Using the above scheme, silicon steel
Piece has the characteristics that magnetic conduction ability is good.
Further, further include having a pin shaft 8, the first retaining wall 10, the second retaining wall 11 surface be equipped with it is mutual corresponding logical
Hole 12, the pin shaft 8 passes through the first retaining wall 10, the second magnetic element 6, the second retaining wall 11 make the second magnetic element 6 be fixed on the
Between one retaining wall 10 and the second retaining wall 11；Using the above scheme, the second magnetic element 6 can be made to be secured firmly to using pin shaft 8
Between first retaining wall 10 and the second retaining wall 11.
Further, the shell 3 includes pedestal 102 and upper cover 103, and the upper edge of pedestal 102 is equipped with fixture block 104,
The inside of upper cover 103 is equipped with card slot, and the surface that the lid of upper cover 103 is located at pedestal 102 makes fixture block 104 be fixed with card slot；
Using the above scheme, convenient that shell 3 is dismantled, and to the component Fast Installation in shell 3.
Further, the lower end of axis 4 is equipped with the pothole 105 that Open Side Down as shown in Fig. 2, reset spring 9 is arranged recessed
In hole 105；Using the above scheme, reset spring 9 and axis 4 can be made to be in close contact by pothole 105, is conducive to improve reset
The intensity connected between spring 9 and axis 4.
As shown in fig.9, further, the inside of shell 3 is symmetrically arranged with mounting blocks 106, the surface of mounting blocks 106 is set
There is mounting post 108, the surface of the first magnetic element 5 is equipped with mounting hole 109 corresponding with mounting post 108 as shown in fig. 7, mounting post
108 are plugged in mounting hole 109；Using the above scheme, mounting blocks 106, which are coupled column 108, can fix the first magnetic element
5, remain unchanged the magnetic direction between the first magnetic element 5 and the second magnetic element 6.
Further, the lower edge of pedestal 102 is equipped with concave surface 107, and Hall sensor 2 is arranged in concave surface 107；Using upper
Scheme being stated, the utilization to space is further enhanced, by being arranged Hall sensor 2 in concave surface 107, being occupied little space.
Refering to shown in Fig. 7-8, further, the surface of the first magnetic element 5 is equipped with magnetic for the first retaining wall 10, second
What element 6 passed through first opens face 100, and the surface of third magnetic element 7 is equipped with wears for the second retaining wall 10, the second magnetic element 6
Second crossed opens face 101；Using the above scheme, axis 4 can make first gear wall 10, the second magnetic element 6 during moving up
Setting is opened in face 100 first, and the second magnetic element 6 is bonded fixation with the first magnetic element 5, and axis 4, can in folding process
So that the setting of the second retaining wall 11, the second magnetic element 6 is opened in face 101 second, the second magnetic element 6 and third magnetic element 7
Fitting is fixed, and by above structure, can greatly increase the utilization to space, further reduces the occupied space of key.
In this embodiment, it is possible to understand that ground, under the action of reset spring 9 and the first retaining wall 11, second is magnetic
Element 6 is suspended in first to open in face 100 in the same plane with the first magnetic element 5 close to the first magnetic element 5.When
When pressing the power on axis 4 greater than the suction of the first magnetic element 5 and the second magnetic element 6, the first retaining wall 11 pushes the second magnetic
Property element 6 move downward and with third magnetic element 7 close to magnetic is generated, when the second magnetic element 6 and third magnetic element 7
When suction is greater than the suction that the first magnetic element 5 and the second magnetic element 6 generate, the second magnetic element 6, which moves downward rapidly, to be hit
Hit the second retaining wall 11, the second magnetic element 6 be suspended in second open it is in face 101 and in the same plane with third magnetic element 7.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (8)
1. a kind of magnetic force key, which is characterized in that include shell, circuit board, Hall sensor, axis, the is equipped in shell
One magnetic element, the second magnetic element, third magnetic element, reset spring, axis are plugged on the surface of shell, and reset spring is set
It sets between axis and shell, the side wall of axis is equipped with the first retaining wall symmetrical above and below, the second retaining wall, the first retaining wall, second gear
Gap is equipped between wall, the second magnetic element is arranged in gap, and the height in the gap is honest and kind bigger than the second magnetic element,
First magnetic element, the second magnetic element are fixedly installed inside the shell and are located above and below the second magnetic element,
Second magnetic core element is the permanent magnet of axial charging, and the surface of circuit board is arranged in shell, and Hall sensor is connect with circuit board,
The magnetic field variation signal of Hall sensor the second magnetic element of corresponding acquisition.
2. a kind of magnetic force key according to claim 1, it is characterised in that: the magnetic member of first magnetic element, third
Part is silicon steel sheet.
3. a kind of magnetic force key according to claim 1, it is characterised in that: it further include having a pin shaft, the first retaining wall, second
The surface of retaining wall is equipped with mutual corresponding through-hole, and the pin shaft, which passes through the first retaining wall, the second magnetic element, the second retaining wall, makes second
Magnetic element is fixed between the first retaining wall and the second retaining wall.
4. a kind of magnetic force key according to claim 1 to 3, it is characterised in that: the shell includes pedestal
And upper cover, the upper edge of pedestal are equipped with fixture block, the inside of upper cover is equipped with card slot, and the surface that the upper cover lid is located at shell makes fixture block
It is fixed with card slot.
5. a kind of magnetic force key according to claim 1 to 3, it is characterised in that: the lower end of axis is equipped with opening
Downward pothole, reset spring are arranged in pothole.
6. a kind of magnetic force key according to claim 1, it is characterised in that: mounting blocks are symmetrically arranged on the inside of shell,
The surface of mounting blocks is equipped with mounting post, and the surface of the first magnetic element is equipped with mounting hole corresponding with mounting post, mounting post grafting
In mounting hole.
7. a kind of magnetic force key according to claim 1 to 3, it is characterised in that: the lower edge of shell is equipped with recessed
Face, Hall sensor are arranged in concave surface.
8. a kind of magnetic force key according to claim 1 to 3, it is characterised in that: the surface of the first magnetic element
Face is opened equipped with first passed through for the first retaining wall, the second magnetic element, the surface of third magnetic element is equipped with for second gear
What wall, the second magnetic element passed through second opens face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240972.8U CN208421776U (en) | 2018-08-02 | 2018-08-02 | A kind of magnetic force key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240972.8U CN208421776U (en) | 2018-08-02 | 2018-08-02 | A kind of magnetic force key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421776U true CN208421776U (en) | 2019-01-22 |
Family
ID=65123678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240972.8U Active CN208421776U (en) | 2018-08-02 | 2018-08-02 | A kind of magnetic force key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208421776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995897A (en) * | 2019-11-28 | 2020-04-10 | Oppo广东移动通信有限公司 | Electronic device |
-
2018
- 2018-08-02 CN CN201821240972.8U patent/CN208421776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995897A (en) * | 2019-11-28 | 2020-04-10 | Oppo广东移动通信有限公司 | Electronic device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 Room 201, building 1, 28 jinyuling Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: DONGGUAN JINGYANG ELECTRONICS AND TECHNOLOGY Co.,Ltd. Address before: 523000 No. 509, area B, Datang e-commerce center, Taixin Road, pailouji community, Wanjiang street, Dongguan City, Guangdong Province (cluster registration) Patentee before: DONGGUAN JINGYANG ELECTRONICS AND TECHNOLOGY Co.,Ltd. |