CN102458070A - Stylus inserting and pulling mechanism and electronic device applying same - Google Patents
Stylus inserting and pulling mechanism and electronic device applying same Download PDFInfo
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- CN102458070A CN102458070A CN2010105250363A CN201010525036A CN102458070A CN 102458070 A CN102458070 A CN 102458070A CN 2010105250363 A CN2010105250363 A CN 2010105250363A CN 201010525036 A CN201010525036 A CN 201010525036A CN 102458070 A CN102458070 A CN 102458070A
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- electromagnet
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- permanent magnet
- storage tank
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Abstract
The invention discloses a stylus inserting and pulling mechanism and an electronic device applying the same, and belongs to the field of electronic input devices. The mechanism comprises a containing groove, a permanent magnet, an electromagnet, a power supply and a switch, wherein the containing groove is used for containing a stylus, the permanent magnet is arranged in the stylus, the electromagnet is sleeved on the outer wall of the containing groove, the power supply is used for supplying power to the electromagnet, and the switch is used for controlling the connection or disconnection of the electromagnet and the power supply; the switch controls the electromagnet and the power supply to be disconnected, so that the stylus is fixed in the containing groove through the magnetic adsorption of the electromagnet and the permanent magnet; and the switch controls the electromagnet and the power supply to be connected, so that the electromagnet generates a cocurrent magnetic field having the same pole with the permanent magnet, and the stylus suffers the acting force of the mutual repulsion of the electromagnet and the permanent magnet to be popped from the containing groove. The stylus is not out of service because of life-time service, and the stylus is really firmly maintained in the containing groove and has less possibility of dropping out of a chassis and losing. The stylus is popped because of the magnetic action of the electromagnet, thus the stylus is prevented from generating bending moment and then being broken off when a pen holder of the stylus is pulled out.
Description
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Technical field
The invention belongs to the electronic input apparatus field, relate in particular to a kind of pointer push-pull structure and the electronic installation of using this mechanism.
Background technology
At present, the hand-hold electronic device of part adopts the touch control screen that inputting interface and display interface can be provided on the market, and hand-hold electronic device not only can have bigger display frame, more can have smaller volume.In addition, hand-hold electronic device also can have the pointer in order to the collocation touch control screen usually, passes through the functional item that pointer is shown to make the user on input characters on the screen or taps screen.
In traditional technology, the body of hand-hold electronic device can be provided with in order to holding the storage tank of pointer usually, and through structural snap-on design pointer can be held in storage tank.Yet traditional snap fastener easily because use the wearing and tearing that caused and lost efficacy for a long time, makes pointer to remain in really and firmly in the storage tank, causes pointer to drop out casing easily and loses.
When taking out pointer in by the storage tank of hand-hold electronic device, the user must collude the end of getting pointer through nail, makes pointer by withdrawing from the storage tank, till the partial-length that pointer exposes can directly grasp for finger at leisure.Easy like this penholder to pointer produces moment of flexure when getting pointer colluding, because the penholder of the pointer of hand-hold electronic device is thinner relatively, is fractureed easily after receiving moment of flexure.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pointer push-pull structure and the electronic installation of using this mechanism, makes the electromagnet of storage tank outer wall produce magnetic field according to Ampere's law, and the magnetic force that magnetic field produces ejects pointer.
The invention discloses a kind of pointer push-pull structure, comprising: the storage tank that is used to hold pointer; Be arranged on the permanent magnet in the pointer, along the sheathed electromagnet of the outer wall of storage tank, be the power supply of electromagnet power supply, the switch that the control electromagnet is communicated with or breaks off with power supply; Wherein, switch control electromagnet breaks off with power supply and being connected, and the magnetic absorption through electromagnet and permanent magnet is fixed in the storage tank pointer; Switch control electromagnet is communicated with power supply, makes electromagnet produce the magnetic field identical with permanent magnet polarity, and the active force that pointer is repelled by electromagnet and permanent magnet each other ejects from storage tank.
Said electromagnet comprises the iron core that solenoid is inner with being enclosed within solenoid; Electromagnet is with after power supply is communicated with, the magnetizes iron core that adverse produces, and the generation magnetic field identical with permanent magnet polarity; After electromagnet and power supply break off and being connected, the active force that iron core and permanent magnet generation attract each other.
Position that said permanent magnet is provided with in the housing of pointer and electromagnet are complementary along the sheathed position of the outer wall of storage tank.
The cross section of the section morphology coupling pointer of said storage tank.
Switch is arranged on the pointer push-pull structure, and this switch is button, knob or dial type slide block.
The invention also discloses a kind of electronic installation, comprising: pointer, electronics and pointer push-pull structure;
Said pointer push-pull structure comprises: be used for the storage tank of ccontaining pointer, the permanent magnet that is provided with in the pointer along the sheathed electromagnet of the outer wall of storage tank, is the power supply of electromagnet power supply, the switch that the control electromagnet is communicated with or breaks off with power supply; Wherein, this storage tank is arranged on the electronics; Switch control electromagnet breaks off with power supply and being connected, and the magnetic absorption through electromagnet and permanent magnet is fixed in the storage tank pointer; Switch control electromagnet is communicated with power supply, makes electromagnet produce the magnetic field identical with permanent magnet polarity, and the active force that pointer is repelled by electromagnet and permanent magnet each other ejects from storage tank.
Switch is arranged on the electronics, and this switch is button, knob or dial type slide block.
Switch is the touch controlled key that is built on the electronics.
Said body also comprises a stop block, is positioned at the end of storage tank, limits pointer and inserts the critical localisation in the body.
The present invention is a kind of pointer push-pull structure and the electronic installation of using this mechanism; Its advantage is: through electromagnet in the body of electronic installation and the magneticaction between the permanent magnet in the pointer; Pointer is ejected and remain in the storage tank in the body; Pointer can not used the wearing and tearing that caused and do not lose efficacy because of long-term like this, makes pointer remain in really and firmly in the storage tank, is difficult for dropping out casing and loses.Pointer is owing to the magneticaction of electromagnet ejects, and produces moment of flexure when having avoided the penholder of pointer to be pulled out and fractureed.
Description of drawings
Fig. 1 is the structural representation of pointer push-pull structure of the present invention;
The sketch map that Fig. 2 inhales owing to magneticaction for permanent magnet in the pointer push-pull structure of the present invention and the iron core in the electromagnet mutually;
The sketch map that Fig. 3 repels each other for the electromagnet after the permanent magnet in the pointer push-pull structure of the present invention and the energising;
Fig. 4 pulls out the sketch map of the electronic installation of mechanism for application touch control penholder of the present invention.
Among the figure: 1, writing pen 101, permanent magnet 2, body 201, storage tank 202, stop block
3, electromagnet 301, solenoid 302, iron core 4, power supply 5, switch
Embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
The present invention is a kind of pointer push-pull structure and the electronic installation of using this mechanism, through electromagnet in the body of electronic installation and the magneticaction between the permanent magnet in the pointer, pointer is ejected and remains in the storage tank in the body.
The invention discloses a kind of pointer push-pull structure, in the present embodiment, pointer is a writing pen, contains the LC loop in the writing pen, adopts electromagnetic induction principle to carry out the track input.Except that the LC loop, writing pen inside also comprises permanent magnet, the inboard relative fixed of the shell of permanent magnet and writing pen.
The pointer push-pull structure also comprises: as shown in Figure 1, be used to hold the storage tank 201 of writing pen 1; Fixed cover is located at the electromagnet 3 of the outer wall of storage tank 201, electromagnet 3 and storage tank 201 relative fixed, and electromagnet 3 produces magnetic field when having electric current to pass through.In the present embodiment; The pointer push-pull structure comprises also that control electromagnet 3 is communicated with power supply (not looking out among the figure) or the switch 5 that breaks off and be the power supply (not looking out among the figure) that electromagnet 3 is supplied power; Switch 5 is arranged on the surface of the electronic installation with storage tank 201; Switch 5 control electromagnet 3 break off with power supply (not looking out among the figure) and being connected, and through the magnetic absorption of electromagnet 3 with permanent magnet 101, writing pen 1 are fixed in the storage tank 201; Switch 5 control electromagnet 3 are communicated with power supply (not looking out among the figure), make electromagnet 3 produce the in the same way magnetic field identical with permanent magnet 101 polarity, and writing pen 1 is ejected from storage tank 201 by electromagnet 3 and the active force that permanent magnet 101 repels each other.In other embodiments, can also control power supply (not looking out among the figure) thereby and electromagnet 3 connection generation magnetic fields with the mode of software.
Like Fig. 2, shown in Figure 4; User's cut-off switch 5 back power supplys 4 break off; Power supply 4 stops to electromagnet 3 power supply, and the magnetic field that electromagnet 3 produces disappears, during the magnetic material of the permanent magnet 101 in the writing pen 1 in being adjacent to electromagnet 3; Be after writing pen 1 inserts storage tank 201, the magnetic material of magneticaction in electromagnet 3 in the magnetic field that permanent magnet 101 produces.In the present embodiment, magnetic material is the cylindricality iron core 302 with perforation, the cross section of the section morphology coupling writing pen 1 of storage tank 201.Because iron core 302 is the outer wall of suit and storage tank 201 fixedly; And permanent magnet 101 and the inboard relative fixed of the shell of writing pen 1; Permanent magnet 101 drive writing pen 1 under the reaction force of iron core 302 is moved to the inside of storage tank 201; And writing pen 1 remains in the storage tank 201 really and firmly, is difficult for dropping out casing and loses.
Position and permanent magnet 101 that electromagnet 3 fixed covers are loaded on storage tank 201 outer walls are complementary in the inboard position of the shell of writing pen 1.In the present embodiment; Electromagnet 3 fixed covers are loaded on the position of storage tank 201 outer walls a little less than the position of permanent magnet 101 in the shell inboard of writing pen 1; Distance between the two is less than 1 centimetre, and in this distance, electromagnet 3 produces tangible magneticaction with permanent magnet 101.After switch 5 broke off, writing pen 1 was because the magnetic action of the iron core 302 in inner permanent magnet 101 and the electromagnet 3 is tried hard to keep is held in the storage tank 201; Behind the switch closure, the magnetic effect owing to electric current in the electromagnet 3 produces and the identical magnetic field of permanent magnet 101 polarity, and permanent magnet 101 drives writing pen 1 and ejects storage tank 201.
Like Fig. 3, shown in Figure 4, user's close switch 5 back power supplys 4 are connected, and the permanent magnet 101 in the writing pen 1 and the magnetic action power of the iron core 302 in the electromagnet 3 disappear; Power supply 4 is to electromagnet 3 power supplies; According to Ampere's law; Magnetic effect owing to electric current in the electromagnet 3 produces and the identical magnetic field of permanent magnet 101 polarity; Magnetic field produces the magnetic force that repels each other with permanent magnet 101, permanent magnet 101 receive with electromagnet 3 repel each other greater than the magnetic force of writing pen 1 with the frictional force of storage tank 201, eject storage tank 201 thereby drive writing pen 1.
In the present embodiment, electromagnet 3 comprises the cylindricality iron core 302 and solenoid 301 with perforation.Solenoid 301 is wrapped on the iron core 302; When switch 5 closures; Solenoid 301 magnetization iron cores 302 after the energising; Produce the active force that repels each other with permanent magnet 101, this active force that repels each other ejects storage tank 201 greater than the frictional force of writing pen 1 with storage tank 201 thereby make permanent magnet 101 drive writing pen 1; When switch 5 breaks off; The magnetic field that solenoid 301 produces disappears, and iron core 302 attracts with permanent magnet 101 mutually, owing to the fixing outer wall of suit and storage tank 201 of iron core 302; And permanent magnet 101 and the inboard relative fixed of the shell of writing pen 1, then writing pen 1 remains in the storage tank 201 really and firmly.
The invention also discloses a kind of electronic installation, as shown in Figure 1 in the present embodiment, electronic installation comprises, pointer, and in the present embodiment, pointer is a writing pen 1; Body 2 and pointer push-pull structure with storage tank 201 of ccontaining writing pen 1.
The pointer push-pull structure comprises also that control electromagnet 3 is communicated with power supply 4 or the switch 5 that breaks off and be the power supply 4 that electromagnet 3 is supplied power; Switch 5 is arranged on the surface of the electronic installation with storage tank 201; Switch 5 control electromagnet 3 break off with power supply 4 and being connected; Through the magnetic absorption of electromagnet 3, writing pen 1 is fixed in the storage tank 201 with permanent magnet 101; Switch 5 control electromagnet 3 are communicated with power supply 4, make electromagnet 3 produce the in the same way magnetic field identical with permanent magnet 101 polarity, and writing pen 1 is ejected from storage tank 201 by electromagnet 3 and the active force that permanent magnet 101 repels each other.In other embodiments, thus can also control power supply 4 with the mode of software and connect with electromagnet 3 and produce magnetic fields.
In the present embodiment, electronic installation is the electromagnetic type handwriting device, carries out the track input and triggers the cross section of the section morphology coupling writing pen 1 of storage tank 201 through electromagnetic induction principle.Body 2 inside of electronic installation comprise storage tank 201, electromagnet 3, switch 5 and power supply 4, and electromagnet 3 fixed covers are loaded on the outer wall of storage tank 201.Switch 5 is arranged on the surface of electronics 2, in other embodiments, can also make electromagnet 3 inner through electric current, thereby produce magnetic field with the mode energized 4 of software.User's cut-off switch 5 back power supplys 4 break off, and power supply 4 stops to electromagnet 3 power supplies, and the magnetic field that electromagnet 3 produces disappears.During the magnetic material of the permanent magnet 101 in the writing pen 1 in being adjacent to electromagnet 3, after promptly writing pen 1 inserts the storage tank 201 in the body 2 of electronic installation, the magnetic material of magneticaction in electromagnet 3 in the magnetic field that permanent magnet 3 produces.In the present embodiment, magnetic material is the cylindricality iron core 302 with perforation.Because iron core 302 is the outer wall of suit and storage tank 201 fixedly; And permanent magnet 101 and the inboard relative fixed of the shell of writing pen 1; Permanent magnet 101 drive writing pen 1 under the reaction force of iron core 302 is moved to the inside of storage tank 201, writing pen 1 is contained in the body 2 of electronic installation.Like this, writing pen 1 remains in the storage tank 201 really and firmly, is difficult for dropping out the storage tank 201 of body 2 and loses.
Position and permanent magnet 101 that electromagnet 3 fixed covers are loaded on storage tank 201 outer walls are complementary in the inboard position of the shell of writing pen 1.In the present embodiment; Electromagnet 3 fixed covers are loaded on the position of storage tank 201 outer walls a little less than the position of permanent magnet 101 in the shell inboard of writing pen 1; Distance between the two is less than 1 centimetre, and in this distance, electromagnet 3 produces tangible magneticaction with permanent magnet 101.After switch 5 broke off, writing pen 1 was because the magnetic action of the iron core 302 in inner permanent magnet 101 and the electromagnet 3 is tried hard to keep is held in the storage tank 201; Behind the switch closure, the magnetic effect owing to electric current in the electromagnet 3 produces and the identical magnetic field of permanent magnet 101 polarity, and permanent magnet 101 drives writing pen 1 and ejects storage tank 201.
User's close switch 5 back power supplys 4 are connected, and the permanent magnet 101 in the writing pen 1 and the magnetic action power of the iron core 302 in the electromagnet 3 disappear; Power supply 4 is to electromagnet 3 power supplies; According to Ampere's law; Magnetic effect owing to electric current in the electromagnet 3 produces and the identical magnetic field of permanent magnet 101 polarity, and magnetic field produces the magnetic force that repels each other with permanent magnet 101, and permanent magnet 101 receives the magnetic force that repels each other with electromagnet 3; And this magnetic force is greater than the frictional force of writing pen 1 with storage tank 201, thereby the storage tank 201 that drive writing pen 1 ejects in the body 2.
The body 2 of electronic installation also comprises a stop block 202, is positioned at the end of storage tank 201, limits the critical localisation that writing pen 1 inserts in the body 2.The position and the permanent magnet 101 that make electromagnet 3 fixed covers be loaded on storage tank 201 outer walls are complementary in the inboard position of the shell of writing pen 1.In the present embodiment; Electromagnet 3 fixed covers are loaded on the position of storage tank 201 outer walls a little less than the position of permanent magnet 101 in the shell inboard of writing pen 1; Distance between the two is less than 1 centimetre, and in this distance, electromagnet 3 produces tangible magneticaction with permanent magnet 101.
The present invention is through electromagnet in the body of electronic installation and the magneticaction between the permanent magnet in the pointer; Pointer is ejected and remain in the storage tank in the body; Pointer can not lose efficacy because of using the wearing and tearing that caused for a long time; Make pointer remain in really and firmly in the storage tank, be difficult for dropping out casing and lose.Pointer is owing to the magneticaction of electromagnet ejects, and produces moment of flexure when having avoided the penholder of pointer to be pulled out and fractureed.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (9)
1. a pointer push-pull structure is characterized in that, comprising: the storage tank that is used to hold pointer; Be arranged on the permanent magnet in the pointer, along the sheathed electromagnet of the outer wall of storage tank, be the power supply of electromagnet power supply, the switch that the control electromagnet is communicated with or breaks off with power supply; Wherein, switch control electromagnet breaks off with power supply and being connected, and the magnetic absorption through electromagnet and permanent magnet is fixed in the storage tank pointer; Switch control electromagnet is communicated with power supply, makes electromagnet produce the magnetic field identical with permanent magnet polarity, and the active force that pointer is repelled by electromagnet and permanent magnet each other ejects from storage tank.
2. mechanism according to claim 1 is characterized in that: said electromagnet comprises the iron core that solenoid is inner with being enclosed within solenoid; Electromagnet is with after power supply is communicated with, the magnetizes iron core that adverse produces, and the generation magnetic field identical with permanent magnet polarity; After electromagnet and power supply break off and being connected, the active force that iron core and permanent magnet generation attract each other.
3. mechanism according to claim 1 is characterized in that: position that said permanent magnet is provided with in the housing of pointer and electromagnet are complementary along the sheathed position of the outer wall of storage tank.
4. mechanism according to claim 1 is characterized in that: the cross section of the section morphology coupling pointer of said storage tank.
5. mechanism according to claim 1 is characterized in that, switch is arranged on the pointer push-pull structure, and this switch is button, knob or dial type slide block.
6. an electronic installation is characterized in that, comprising: pointer, electronics and pointer push-pull structure;
Said pointer push-pull structure comprises: be used for the storage tank of ccontaining pointer, the permanent magnet that is provided with in the pointer along the sheathed electromagnet of the outer wall of storage tank, is the power supply of electromagnet power supply, the switch that the control electromagnet is communicated with or breaks off with power supply; Wherein, this storage tank is arranged on the electronics; Switch control electromagnet breaks off with power supply and being connected, and the magnetic absorption through electromagnet and permanent magnet is fixed in the storage tank pointer; Switch control electromagnet is communicated with power supply, makes electromagnet produce the magnetic field identical with permanent magnet polarity, and the active force that pointer is repelled by electromagnet and permanent magnet each other ejects from storage tank.
7. electronic installation according to claim 6 is characterized in that switch is arranged on the electronics, and this switch is button, knob or dial type slide block.
8. electronic installation according to claim 6 is characterized in that, switch is the touch controlled key that is built on the electronics.
9. device according to claim 6 is characterized in that: said body also comprises a stop block, is positioned at the end of storage tank, limits pointer and inserts the critical localisation in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105250363A CN102458070A (en) | 2010-10-29 | 2010-10-29 | Stylus inserting and pulling mechanism and electronic device applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105250363A CN102458070A (en) | 2010-10-29 | 2010-10-29 | Stylus inserting and pulling mechanism and electronic device applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102458070A true CN102458070A (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105250363A Pending CN102458070A (en) | 2010-10-29 | 2010-10-29 | Stylus inserting and pulling mechanism and electronic device applying same |
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| Country | Link |
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| CN (1) | CN102458070A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630070A (en) * | 2014-10-27 | 2016-06-01 | 富泰华工业（深圳）有限公司 | Electronic apparatus with embedded keyboard |
| CN107506062A (en) * | 2011-09-28 | 2017-12-22 | 亚马逊技术股份有限公司 | Magnetic stylus |
| CN111277018A (en) * | 2020-03-13 | 2020-06-12 | 艾空(北京)商贸有限公司 | Sharing wireless precious equipment quick identification system that charges |
| CN112902800A (en) * | 2021-01-20 | 2021-06-04 | 唐太均 | Steel bar diameter measuring device |
| CN114995590A (en) * | 2021-10-11 | 2022-09-02 | 荣耀终端有限公司 | Supporting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020190823A1 (en) * | 2001-06-18 | 2002-12-19 | Yap Beng Tiek | Frictionless pen ejector mechanism |
| CN201260282Y (en) * | 2008-07-02 | 2009-06-17 | 伟成工业有限公司 | Touch control pen positioning structure |
| CN201839561U (en) * | 2010-10-29 | 2011-05-18 | 汉王科技股份有限公司 | Stylus pen inserting and drawing mechanism and electronic device using same |
-
2010
- 2010-10-29 CN CN2010105250363A patent/CN102458070A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020190823A1 (en) * | 2001-06-18 | 2002-12-19 | Yap Beng Tiek | Frictionless pen ejector mechanism |
| CN201260282Y (en) * | 2008-07-02 | 2009-06-17 | 伟成工业有限公司 | Touch control pen positioning structure |
| CN201839561U (en) * | 2010-10-29 | 2011-05-18 | 汉王科技股份有限公司 | Stylus pen inserting and drawing mechanism and electronic device using same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107506062A (en) * | 2011-09-28 | 2017-12-22 | 亚马逊技术股份有限公司 | Magnetic stylus |
| CN105630070A (en) * | 2014-10-27 | 2016-06-01 | 富泰华工业（深圳）有限公司 | Electronic apparatus with embedded keyboard |
| CN111277018A (en) * | 2020-03-13 | 2020-06-12 | 艾空(北京)商贸有限公司 | Sharing wireless precious equipment quick identification system that charges |
| CN112902800A (en) * | 2021-01-20 | 2021-06-04 | 唐太均 | Steel bar diameter measuring device |
| CN114995590A (en) * | 2021-10-11 | 2022-09-02 | 荣耀终端有限公司 | Supporting device |
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Application publication date: 20120516 |