CN207624593U - Magnetic suspension button - Google Patents
Magnetic suspension button Download PDFInfo
- Publication number
- CN207624593U CN207624593U CN201721753717.9U CN201721753717U CN207624593U CN 207624593 U CN207624593 U CN 207624593U CN 201721753717 U CN201721753717 U CN 201721753717U CN 207624593 U CN207624593 U CN 207624593U
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- China
- Prior art keywords
- button
- column core
- plunger shaft
- magnetic suspension
- ring
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Abstract
The utility model is related to a kind of magnetic suspension buttons, including shell, the plunger shaft of one end open is set in shell and button column core that sliding is arranged in plunger shaft, the end face of button column core towards the plunger shaft blind end is provided with center magnet, the button column core of the center magnet outer ring is equipped with resetting apparatus, the outside of the plunger shaft blind end is equipped with the hall sensing element opposite with center magnet, the sensing element is mounted on pcb board, it is equipped with adjusting rod on the pcb board, the end thread of the adjusting rod is connected on shell, the resetting apparatus includes the dynamic magnet ring being fixed on button column core and the magnetostatic ring for being fixed on plunger shaft blind end, the dynamic magnet ring and magnetostatic ring homopolarity are opposite.The utility model realizes that button is contactless, so that button is less likely to be damaged, prolongs the service life.
Description
Technical field
The utility model is related to a kind of button, more particularly to a kind of magnetic suspension button.
Background technology
Button is a kind of common control electric elements, is commonly used to be switched on or switched off control circuit, to reach control electricity
A kind of switch of motivation or other electric equipment operation purposes.Also referred to as button is a kind of electric brake (or switch）, for controlling
Certain functions of machinery or formula.In general, button is made of button, action contact, resetting spring, button box.In button
Use during, often will appear such case：Since button is pressed for a long time, contact abrasion can be caused serious or contact
When being broken, then carrying out button operation, contact is unreal or can not contact, and influences the normal use of button, shortens button
Service life, and then influence the use of equipment or instrument.
Utility model content
The purpose of this utility model is to provide a kind of magnetic suspension button, realizes that button is contactless, button is made not allow rapid wear
It is bad, prolong the service life.
The above-mentioned purpose of the utility model technical scheme is that：
A kind of magnetic suspension button, including shell, be arranged in shell one end open plunger shaft and sliding be arranged in work
The button column core of intracavitary is filled in, the end face of button column core towards the plunger shaft blind end is provided with center magnet, the center magnetic
The button column core enclosed in vitro is equipped with resetting apparatus, and the outside of the plunger shaft blind end is equipped with the Hall opposite with center magnet
Sensing element, the sensing element are mounted on pcb board.
By using above-mentioned technical proposal, center magnet and hall sensing element, center magnet and Hall are set in button
Sensing element is separated by shell, and in button press column core, center magnet is moved with button column core to hall sensing element direction
Dynamic, hall sensing element senses the magnetic field of center magnet, and inductive signal is passed to pcb board, realizes and is grasped to the switch of machine
Make, in switching process, there is no contact between button column core and hall sensing element, control switch, reduction pair are carried out by magnetic field
The abrasion of button extends the service life of button.
Preferably, being equipped with adjusting rod on the pcb board, the end thread of the adjusting rod is connected on shell.
By using above-mentioned technical proposal, center magnet is adjusted at a distance from hall sensing element by adjusting rod, is made suddenly
The sensitivity of your sensing element and sensed position are adjustable, improve the sensitivity of button, easy to use.
Preferably, the resetting apparatus include the dynamic magnet ring being fixed on button column core and be fixed on plunger shaft closing
The magnetostatic ring at end, the dynamic magnet ring and magnetostatic ring homopolarity are opposite.
By using above-mentioned technical proposal, resetting apparatus is avoided and is gone out using metal spring using the opposite magnet ring of homopolarity
Existing metal fatigue the case where, extend the service life of button, at the same reset it is flexibly accurate.
Preferably, the button column core outer ring is equipped with the bulge loop for being attached to inner walls for limiting dynamic magnet ring, it is described dynamic
Magnet ring is connected on bulge loop.
By using above-mentioned technical proposal, stopped by bulge loop and move magnet ring, anti-stop magnet ring is because excessive by repulsive force
And be completely separated with magnetostatic ring, ensure the stabilization of dynamic relative position between magnet ring and magnetostatic ring, ensures the normal use of button.
Preferably, the first cushion pad is equipped between the button column core and the contact surface of plunger shaft blind end, described the
The Outside Dimensions of one cushion pad are less than the interior ring size of magnetostatic ring.
By using above-mentioned technical proposal, center magnet is protected by the first cushion pad, in button press column core
When closing end in contact with plunger shaft, center magnet and plunger shaft blind end direct collision are prevented.
Preferably, the anti-decylization being fitted on button column outer core is fixed on the inner wall of the plunger shaft open end,
The button column core is connected with anti-decylization sliding.
By using above-mentioned technical proposal, anti-decylization is set, button column core is limited in plunger shaft, button column core is prevented
It is flown out from plunger shaft by the repulsion of magnetostatic ring with dynamic magnet ring, ensures the normal use of button, avoid dangerous generation.
Preferably, being provided with the second cushion pad between the anti-decylization and bulge loop.
By using above-mentioned technical proposal, by the second cushion pad into row buffering between anti-decylization and bulge loop, protection is anti-
Decylization preserves from bulge loop, extends the service life between anti-decylization and bulge loop.
Preferably, the end set that the button column core is stretched out from plunger shaft has dismountable keycap.
By using above-mentioned technical proposal, facilitate the movement of button press column core by keycap, keycap is detachable, often makes
After pressing abrasion, facilitates and replaced.
Preferably, the keycap towards one end of button column core be equipped with threaded rod, the keycap by threaded rod with press
Button column core is threadedly coupled.
By using above-mentioned technical proposal, keycap is threadedly coupled with button column core, is connected firmly while being replaced conveniently.
Preferably, the keycap periphery is equipped with the anti-skid chequer for conveniently turning keycap.
By using above-mentioned technical proposal, keycap rotation is more convenient.
In conclusion the utility model has the advantages that：
1, the utility model magnetic suspension button is using the closing of magnetic field induction control switch, oncontacting between button and pcb board
Point reduces the abrasion of button, keeps button more robust, extends its service life.
2, the utility model resetting apparatus replaces metal spring, no metal fatigue to extend the use of button using permanent magnet
Time and service life.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model magnetic suspension button；
Fig. 2 is the external structure schematic diagram of the utility model magnetic suspension button.
In figure, 1, shell；10, anti-decylization；11, the second cushion pad；2, plunger shaft；21, contact surface；3, button column core；31、
Bulge loop；32, keycap；33, threaded rod；34, anti-skid chequer；4, center magnet；5, resetting apparatus；51, magnet ring is moved；52, magnetostatic ring；6、
Hall sensing element；7, pcb board；8, adjusting rod；9, the first cushion pad.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
The utility model create description in, it is to be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the utility model and creates and simplify description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of utility model.
A kind of magnetic suspension button is provided with plunger shaft 2 as shown in Fig. 1, including shell 1 in shell 1, and the one of plunger shaft 2
Silent one end open is held, is slid in plunger shaft 2 and is provided with the button column core 3 being axially moved along plunger shaft 2, button column core 3 and work
Plug 2 closed end of chamber is provided with center magnet 4 on opposite end face, and center magnet 4 is fixed on by gluing on button column core 3, living
It is additionally provided with resetting apparatus 5 in plug chamber 2.
The plunger shaft 2 closed end lateral surface opposite with center magnet 4 is provided with hall sensing element 6, hall sensing element 6
Be mounted on the pcb board 7 in machinery equipment internal controller, between pcb board 7 and shell 1 be equipped with gap, avoid shell 1 with
Hall sensing element 6 is in direct contact, to play the role of protecting hall sensing element 6.Adjusting rod 8 is provided on pcb board 7,
Adjusting rod 8 passes perpendicularly through pcb board 7 and is connect with shell 1, and adjusting rod 8 is shank of bolt, and is threadedly coupled with shell 1, adjusting rod 8
Axial direction it is identical as the axial direction of button column core 3, enable shell 1 along the axial movement of adjusting rod 8.Adjusting rod 8 is rotated, it can be in shell
On body 1, precession or back-out adjust the initial distance of center magnet 4 and hall sensing element 6, hall sensing element 6 are made to have more
Good sensitivity.
As shown in Fig. 1, the aperture of plunger shaft 2 increases from closed end to open end in stepped, the outer diameter of button column core 3
Identical as the most thin cavity of plunger shaft 2, button column core 3 moves inside it, in order to avoid button column core 3 and 2 end face of plunger shaft
Contact surface 21 be in direct contact, the periphery of the end face center magnet 4 of button column core 3 be fixed with annular the first cushion pad 9, press
When button column core 3 moves, the first cushion pad 9 is in direct contact with contact surface 21, and center magnet 4 is protected not broken.
Resetting apparatus 5 is made of dynamic magnet ring 51 and magnetostatic ring 52, and magnetostatic ring 52 is adhesive in the end face of 2 closed end of plunger shaft
On, inner diameter size is identical as the outer diameter of button column core 3, and occurs to slide relatively with button column core 3, and dynamic magnet ring 51 is arranged fixation
On button column core 3, dynamic magnet ring 51 is identical as the structure of magnetostatic ring 52, position is opposite, and the homopolarity of the two is opposite, the present embodiment
In move magnet ring 51 and magnetostatic ring 52 and use Nd-Fe-B permanent magnetic ring, by moving the principle of magnet ring 51 and the homopolar-repulsion of magnetostatic ring 52,
Button column core 3 is set to be resetted.It is additionally provided with bulge loop 31 on the outer wall of button column core 3, moves magnet ring 51 far from magnetostatic ring 52
Side is against on bulge loop 31, and bulge loop 31 stops dynamic magnet ring 51, anti-stop magnet ring 51 by repulsion push open and in button column core 3
Upper sliding.
Plunger shaft 2 has been connected through a screw thread anti-decylization 10, the internal diameter and button of anti-decylization 10 on the inner wall of open end
The outer diameter of column core 3 is identical, for stopping bulge loop 31, prevents button column core 3 from being skidded off out of plunger shaft 2, for avoid anti-decylization 10 with
Rigid collision occurs for bulge loop 31, and the second cushion pad 11 is provided between anti-decylization 10 and bulge loop 31, and the second cushion pad 11 is pasted
It is fixed in anti-decylization 10, the first cushion pad 9 and the second cushion pad 11 are all made of rubber pad in the present embodiment.
Button column core 3 is equipped with keycap 32 in one end that plunger shaft 2 is stretched out, and the outer ring size of keycap 32 is less than plunger shaft 2
The aperture of open end, keycap 32 are detachably connected with button column core 3, and the side of specifically keycap 32 towards button column core 3 is set
It is equipped with the threaded rod 33 along the axial extension of button column core 3, keycap 32 is connected by the end-face helical of threaded rod 33 and button column core 3
It connects, and by rotating keycap 32, keeps keycap 32 and the spacing of button column core 3 adjustable.
As shown in Fig. 2, rotation keycap 32 for convenience, is arranged anti-skid chequer 34 on the outer wall of keycap 32, before keycap 32
End is provided with the tentacle slot to lower recess, can agree with human hand finger belly, button is more comfortable.
The utility model magnetic suspension button when in use, human hand press on keycap 32,32 promoting button column core 3 of keycap to
2 closed end of plunger shaft moves, and center magnet 4 is close to hall sensing element 6, and hall sensing element 6 senses center magnet 4
Magnetic field, send out closing either starting device signal to close or starting device；Human hand unclamps keycap 32, in dynamic magnet ring
51 and 52 mutual expelling force of magnetostatic ring under the action of, button column core 3 is servo-actuated magnet ring 51 and is displaced outwardly together, center magnet 4 and Hall sense
Answer element 6 separate, hall sensing element 6 incudes less than magnetic field, is stopped.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of magnetic suspension button, it is characterised in that：Including shell（1）, be arranged in shell（1）The plunger shaft of interior one end open
（2）And sliding is arranged in plunger shaft（2）Interior button column core（3）, the button column core（3）Towards plunger shaft（2）Blind end
End face be provided with center magnet（4）, the center magnet（4）The button column core of outer ring（3）It is equipped with resetting apparatus（5）, institute
State plunger shaft（2）The outside of blind end is equipped with and center magnet（4）Opposite hall sensing element（6）, the hall sensing member
Part（6）Mounted on pcb board（7）On.
2. magnetic suspension button according to claim 1, it is characterised in that：The pcb board（7）On be equipped with adjusting rod（8）,
The adjusting rod（8）End thread be connected to shell（1）On.
3. magnetic suspension button according to claim 1, it is characterised in that：The resetting apparatus（5）Including being fixed on button
Column core（3）On dynamic magnet ring（51）And it is fixed on plunger shaft（2）The magnetostatic ring of blind end（52）, the dynamic magnet ring（51）With it is quiet
Magnet ring（52）Homopolarity is opposite.
4. magnetic suspension button according to claim 3, it is characterised in that：The button column core（3）Outer ring is equipped with and is attached to shell
Body（1）Inner wall is for limiting dynamic magnet ring（51）Bulge loop（31）, the dynamic magnet ring（51）It is connected to bulge loop（31）On.
5. magnetic suspension button according to claim 4, it is characterised in that：The button column core（3）With plunger shaft（2）Closing
The contact surface at end（21）Between be equipped with the first cushion pad（9）, first cushion pad（9）Outside Dimensions be less than magnetostatic ring（52）
Interior ring size.
6. magnetic suspension button according to claim 5, it is characterised in that：The plunger shaft（2）It is solid on the inner wall of open end
Surely it is fitted in button column core（3）Anti-decylization on outer wall（10）, the button column core（3）With anti-decylization（10）Sliding connection.
7. magnetic suspension button according to claim 6, it is characterised in that：The anti-decylization（10）With bulge loop（31）Between set
It is equipped with the second cushion pad（11）.
8. magnetic suspension button according to claim 1, it is characterised in that：The button column core（3）From plunger shaft（2）It stretches out
End set have dismountable keycap（32）.
9. magnetic suspension button according to claim 8, it is characterised in that：The keycap（32）Towards button column core（3）'s
One end is equipped with threaded rod（33）, the keycap（32）Pass through threaded rod（33）With button column core（3）It is threadedly coupled.
10. magnetic suspension button according to claim 9, it is characterised in that：The keycap（32）Periphery is equipped with and conveniently turns
Keycap（32）Anti-skid chequer（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753717.9U CN207624593U (en) | 2017-12-14 | 2017-12-14 | Magnetic suspension button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753717.9U CN207624593U (en) | 2017-12-14 | 2017-12-14 | Magnetic suspension button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624593U true CN207624593U (en) | 2018-07-17 |
Family
ID=62819737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721753717.9U Active CN207624593U (en) | 2017-12-14 | 2017-12-14 | Magnetic suspension button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587984A (en) * | 2018-11-15 | 2019-04-05 | 浙江商业职业技术学院 | A kind of Campus Security electronics based on Internet of Things |
| CN111297306A (en) * | 2019-12-05 | 2020-06-19 | 重庆金山医疗技术研究院有限公司 | Suction assembly for endoscope and endoscope |
-
2017
- 2017-12-14 CN CN201721753717.9U patent/CN207624593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587984A (en) * | 2018-11-15 | 2019-04-05 | 浙江商业职业技术学院 | A kind of Campus Security electronics based on Internet of Things |
| CN111297306A (en) * | 2019-12-05 | 2020-06-19 | 重庆金山医疗技术研究院有限公司 | Suction assembly for endoscope and endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: 610017 no.1205, building 2, no.599, middle section of Yizhou Avenue, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu Patentee after: Feixun Zhihang (Chengdu) Technology Co., Ltd Address before: 100000 Beijing Haidian District Haidian District North Village Road 25 static core Park J block two, 206 room. Patentee before: Beijing Hangda Technology Co. Ltd. |