CN108335532A - The classroom corollary apparatus based on projector, computer for multimedia teaching - Google Patents
The classroom corollary apparatus based on projector, computer for multimedia teaching Download PDFInfo
- Publication number
- CN108335532A CN108335532A CN201810135132.3A CN201810135132A CN108335532A CN 108335532 A CN108335532 A CN 108335532A CN 201810135132 A CN201810135132 A CN 201810135132A CN 108335532 A CN108335532 A CN 108335532A
- Authority
- CN
- China
- Prior art keywords
- plate face
- blackboard
- piston
- way cock
- hole
- 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.)
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/02—Ink reservoirs
- B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/08—Blackboards flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03542—Light pens for emitting or receiving light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
Abstract
The invention discloses a kind of classroom corollary apparatus based on projector, computer for multimedia teaching, including be arranged on metope blackboard, projector, the computer being arranged on lectern are set on roof, for the hand held control pen of teacher；The blackboard be automatic erasing out handwriting, can show that line lattice, electric circulation flexible plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted；The projector and computer communication connection；The control pen includes that blackboard pens unit, PPT page turnings unit, laser pointer unit, motor shake control unit.The present invention is ideally fused to multimedia teaching in black board teaching, and multimedia teaching is made to be combined into one naturally, glibly with black board teaching.And have the characteristics that automatic erasing out handwriting, display line lattice, capacity are big, are guided without chalk dust, wireless PPT page turnings, stroboscopic laser.
Description
Technical field
The invention belongs to teaching aid technical field, it is specially a kind of for multimedia teaching based on projector, calculate
The classroom corollary apparatus of machine.
Background technology
It is wide for the multimedia technology of medium with the video of computer, audio etc. with the development of computer technology and universal
It is general to be applied to classroom teaching.But traditional using blackboard, chalk as the teaching method of medium is still classroom instruction mainstream.Multimedia
Teaching cuts both ways with conventional teaching, and multimedia technological means effectively ideally should be fused to conventional teaching by we
In, so that multimedia teaching is combined into one naturally, glibly with conventional teaching.But there are many to ask for present classroom corollary apparatus
Topic：1. traditional blackboard, chalk and multimedia teaching facility are respectively independent, individually control, attended to one thing and lose sight of another using process, operation fiber crops
It is tired.2. it is physically and mentally healthy that chalk generates dust long-standing problem teachers and students.3. it is not only laborious but also unclean to be erased the board with blackboard eraser.4. existing blackboard
Capacity is smaller, cannot meet the more teaching of content.5. existing blackboard can not show various line lattice automatically, different subjects are cannot be satisfied
To line lattice demand.6. in multimedia teaching, teacher, often can only be at one of distance calculation in order to control the page turning of PPT
Small range moves, and the interaction with student is restricted.7. multimedia teaching traditional teacher's pointer inconvenient to use is guided, existing
Laser guidance device is not easy to cause attention of student, guides effect poor.
In addition, existing white board marker can not also replace blackboard pen, because blackboard is different from blank, write to be used on blackboard
Liquid writes out clear word, and writing liquid must have higher concentration that black can just be completely covered, and existing white board marker can not because lacking pressure
Leak higher concentration writing liquid.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of classroom corollary apparatus.
The technical solution adopted in the present invention is：A kind of classroom corollary apparatus, including be arranged on metope blackboard, setting
On roof projector, the computer being arranged on lectern, for the hand held control pen of teacher；The blackboard is auto-erasing
Writing, can show that line lattice, electric circulation flexible plate face, flexible plate face are linked together structure by writing plate face and projection screen
At；The projector and computer communication connection；The control pen includes blackboard pens unit, PPT page turnings unit, laser pointer list
Member, motor shake control unit.
Further, the blackboard includes rectangular frame：Two roller bearings on the inside of frame left and right side are set, one of rolling
Axis is connected with miniature either-rotation motor axis, and the motor is connected to and shakes control relay；Around there are one looped flexibles on two roller bearings
Plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted；Projection screen overleaf, works as needs under normal conditions
When more writing plate faces or needing using projection screen, it need to only open motor and drive flexibility plate face rotation.For convenience
It writes writing plate face, clamping plate is equipped between two interlayer of looped flexible plate face；In order to automatic erasing out handwriting, outside two roller bearings
It is correspondingly provided with rolling blackboard eraser between on the inside of side and frame left and right side.
Further, in order to enable flexible plate face to be tensioned, two pass sliding slot is correspondingly provided on the frame below；It is described soft
Property plate face lower edges be equipped with protrusion, protrusion is stuck in sliding slot；Flexible plate face is in tensioning state under sliding slot and roller bearing tensioning.
Further, the flexible plate face is linked together by writing plate face and projection screen is constituted；Wherein writing plate face is
Water white transparency body can be made of flexible plastic；Projection screen is white, can be made of coarse cloth；It is ring to write plate face and projection screen
Shape is seamlessly connected.
Further, the clamping plate connects between two interlayer of looped flexible plate face and with two pass sliding slot middle, clamping plate face
For black, the miniature laser lamp that can form transverse light rays is equipped in clamping plate left or right side, in clamping plate top or below equipped with energy
The miniature laser lamp of longitudinal light is formed, each laser lamp is needed to utilize and be touched there are one touch switch according to class offerings
Switch can form lateral lattice, Zong Xiangge, four line lattice, five line lattice, matts, coordinate grid etc. on blackboard.
Further, the rolling blackboard eraser be cylinder on carry hairbrush, upper and lower side be equipped with gear, can on roller bearing
Gear is mutually engaged, and rolling plate smears gear and is less than roller bearing gear；Rolling plate is smeared equipped with positioning knob, can make rolling plate
It smears gear to be mutually engaged with roller bearing gear, rolling plate can also be made to smear gear and be not engaged mutually with roller bearing gear；Work as needs
When retaining written contents, when Rotary Blackboard, can make rolling plate smear gear not to be engaged mutually with roller bearing gear, when need not protect
When staying written contents, when Rotary Blackboard, can make rolling plate smear gear to be mutually engaged with roller bearing gear；In addition, rolling outside blackboard eraser
Face is equipped with closing box cover.
Further, the control anterior end of pen is blackboard pens unit, and rear end is PPT page turnings unit, laser pointer unit, motor
Control unit, power supply are shaken, front and back end is connected through a screw thread, and control shell is equipped with PPT upturning keys, PPT downturning keys, laser switch
Key, blackboard left-hand rotation key, blackboard right-hand rotation key.
Further, the blackboard pens unit is by containing liquid chamber, piston storehouse, the first one-way cock, piston, piston rod, the second list
It is constituted to valve, nib；It is separated by and is equipped with first through hole between the containing liquid chamber and piston storehouse, and is equipped with the at first through hole
One one-way cock；The one-way cock includes sealing of hole ball and the spring composition that is connected with sealing of hole ball；First one-way cock is in work
It fills in storehouse, the sealing of hole ball of the first one-way cock can close first through hole, and the spring one end of the first one-way cock is connected with sealing of hole ball,
The other end is connected with piston；The piston is equipped with the second through-hole, and be equipped in the second through hole in piston storehouse at piston centre
Second one-way cock, piston are linked together by piston rod and nib；The piston rod is hollow, on piston rod one end and piston
Second through-hole is connected, and the other end is connected with written cavity, and the hollow Inner of piston rod is equipped with the second one-way cock；Described second is single
To valve in the hollow Inner of piston rod, the sealing of hole ball of the second one-way cock can close the second through-hole, the spring one of the second one-way cock
End is connected with sealing of hole ball, and the other end is connected with piston rod；The nib is made of liquid-permeable material, and nib is linked as one with piston rod
Body, be equipped in nib cavity and with piston rod is hollow communicates.When being write on blackboard with blackboard pen, nib is forced through piston
Bar compression piston makes the writing liquid in piston storehouse pass through the second through-hole in the hollow cavity into nib of piston rod, in cavity
Writing liquid is applied to by nib exudation on blackboard under pressure；When lifting blackboard pen, will be lived by the screen resilience of spring
Plug, which pushes, to restore, and causes parital vacuum in piston storehouse, so that writing liquid is passed through first through hole and enters in piston storehouse；Two
One-way cock, which makes writing liquid can only enter, to outflow, in addition piston perseveration, ensure that blackboard pen persistently links up and write；By
It is to ooze out under pressure, therefore the blackboard pen can use the larger writing liquid of concentration in writing liquid.
Further, the PPT page turnings unit includes that the wireless receiver being arranged in computer USB jack and setting are being controlled
Wireless transmitter on pen processed；The wireless receiver includes wireless receiving chip RF83B and the list with USB1.1 data ports
Piece machine SN8P2201；The wireless transmitter includes coding chip TDH2240 and ASK wireless transmission chip MICRF113, wherein
The coding foot connection PPT upturning keys and PPT downturning keys of coding chip.
Further, in order to enhance guide effect, it is stroboscopic laser, packet to attract attention of student, the laser pointer unit
Include laser emitter, impulse generator, field-effect tube, the leakage of the negative input end and field-effect tube of power cathode and impulse generator
Pole is respectively connected with, and anode is connected with one end of laser switch, the other end of laser switch and the positive input of impulse generator
The anode of end and laser emitter is respectively connected with, and the output end of impulse generator is connected with the grid of field-effect tube, field-effect tube
Source electrode be connected with the cathode of laser emitter.
Present invention has the advantages that：1. blackboard is combined with projection screen, blackboard pen shakes with PPT page turnings, laser pointer, motor
Control combines, these designs are effectively ideally fused to multimedia teaching in black board teaching, and multimedia teaching is made to be taught with blackboard
It learns nature, be combined into one glibly.2. roll blackboard eraser design can automatic erasing out handwriting, laborsaving time saving, it is fixed that rolling plate smears
Position knob design can retain written contents as needed.3. the design of looped flexible plate face is increased relative to same specification traditional blackboard
Writing amount by about one time can meet the more teaching of content.4. laser lamp design can form lateral lattice, longitudinal direction as needed on clamping plate
Lattice, four line lattice, five line lattice, matts, coordinate grid etc. can meet multidisciplinary to line lattice demand.It is passed 5. the design of blackboard pen substitutes
System chalk, thoroughly solves chalk dust pollution problem.6. solve can only be in computer for the design of PPT page-turning functions on control pen
Upper page turning problem, makes the interaction with student be no longer influenced by limitation, and design structure is simple, easy to implement.7. controlling laser on pen
Teacher's pointer design can meet multimedia and the dual teaching needs of blackboard, and guide effect strong, can attract attention of student.8. controlling
Pen integrate functions as one, one in the comprehensive control of hand, avoid attend to one thing and lose sight of another, forgetful phenomenon generate.
Description of the drawings
If Fig. 1 is blackboard positive structure schematic of the present invention.
If Fig. 2 is blackboard Structure of cross section schematic diagram of the present invention.
If Fig. 3 is flexible plate face deployed configuration schematic diagram of the invention.
If Fig. 4 is clamp region schematic diagram of the present invention.
If Fig. 5 is present invention control structural schematic diagram.
If Fig. 6 is PPT page turnings cellular construction block diagram of the present invention.
If Fig. 7 is laser pointer cellular construction block diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
A kind of classroom corollary apparatus, including be arranged on metope blackboard, be arranged on roof projector, be arranged in lectern
On computer, for the hand held control pen of teacher；The blackboard is automatic erasing out handwriting, can showing line lattice, electronic
The flexible plate face 4 of cycle, flexible plate face are linked together and are constituted by writing plate face 12 and projection screen 13；The projector and calculating
Machine communicates to connect；The control pen includes that blackboard pens unit, PPT page turnings unit, laser pointer unit, motor shake control unit.
Further, the blackboard includes rectangular frame 1：Two roller bearings 5 on the inside of frame left and right side are set, one of them
Roller bearing 5 is connected with 10 axis of miniature either-rotation motor, and the motor 10 is connected to and shakes control relay；On two roller bearings 5 there are one
Looped flexible plate face 4, flexible plate face 4 are linked together and are constituted by writing plate face 12 and projection screen 13；13 usual feelings of projection screen
Under condition overleaf, when need it is more write plate faces 12 or need using projection screen 13 when, need to only open motor 10 drive it is soft
Property plate face 4 rotate.It writes for convenience in writing plate face 12, clamping plate 3 is equipped between 4 liang of interlayers of looped flexible plate face；For
Can automatic erasing out handwriting, on the inside of two roller bearings, 5 outside and frame 1 left and right side between be correspondingly provided with and roll blackboard eraser 6.
Further, in order to enable flexible plate face 4 to be tensioned, two pass sliding slot 2 is correspondingly provided on the frame 1 below；Institute
It states 4 lower edges of flexible plate face and is equipped with protrusion 11, protrusion 11 is stuck in sliding slot 2；Flexible plate face 4 is under 5 tensioning of sliding slot 2 and roller bearing
In tensioning state.
Further, the flexible plate face 4 is linked together and is constituted by writing plate face 12 and projection screen 13；Wherein clipboard
Face 12 is water white transparency body, can be made of flexible plastic；Projection screen 13 is white, can be made of coarse cloth；It writes plate face 12 and throws
Shadow screen 13 is cyclic annular is seamlessly connected.
Further, the clamping plate 3 connects between 4 liang of interlayers of looped flexible plate face and with 2 middle of two pass sliding slot, clamping plate
3 faces are black, and the miniature laser lamp 14 that can form transverse light rays is equipped in 3 left or right side of clamping plate, on the cover 3 side or following
Equipped with the miniature laser lamp 14 that can form longitudinal light, there are one touch switch 15 for each laser lamp, according to class offerings need
To utilize touch switch 15 that can form lateral lattice, Zong Xiangge, four line lattice, five line lattice, matts, coordinate grid etc. on blackboard.
Further, the rolling blackboard eraser 6 is that hairbrush is carried on cylinder, and upper and lower side is equipped with gear 8, can be with roller bearing 5
On 7 phase of gear occlusion, and roll 6 gear 8 of blackboard eraser be less than 5 gear 7 of roller bearing；It rolls blackboard eraser 6 and is equipped with positioning knob 9,
Rolling plate can be made to wipe 6 gears 8 to be engaged with 5 gear of roller bearing, 7 phase, can also be made on 6 gear 8 of rolling blackboard eraser and roller bearing 5
Gear 7 is not engaged mutually；When needing to retain written contents, when Rotary Blackboard can make rolling plate wipe 6 gears 8 on roller bearing 5
Gear 7 is not engaged mutually, and when that need not retain written contents, when Rotary Blackboard can make rolling plate wipe 6 gears 8 and roller bearing 5
7 phase of gear is engaged；In addition, rolling 6 outside of blackboard eraser is equipped with closing box cover.
Further, the control anterior end of pen is blackboard pens unit, and rear end is PPT page turnings unit, laser pointer unit, motor
Control unit, power supply are shaken, front and back end is connected by screw thread 22, and control shell is equipped with PPT upturning keys 27, PPT downturning keys 25, laser
On ＆ off switch 23, blackboard left-hand rotation key 26, blackboard right-hand rotation key 24.
Further, the blackboard pens unit is by containing liquid chamber 21, piston storehouse 29, the first one-way cock 19, piston 18, piston rod
17, the second one-way cock 32, nib 16 are constituted；It is separated by and is equipped with first through hole 20 between the containing liquid chamber 21 and piston storehouse 29,
And the first one-way cock 19 is equipped at first through hole 20；The one-way cock includes sealing of hole ball 28 and the bullet that is connected with sealing of hole ball 28
Spring 30 is constituted；In piston storehouse 29, the sealing of hole ball 28 of the first one-way cock 19 can close first and lead to first one-way cock 19
30 one end of spring in hole 20, the first one-way cock 19 is connected with sealing of hole ball 28, and the other end is connected with piston 18；The piston 18 exists
In piston storehouse 29, the second through-hole 31 is equipped at 18 center of piston, and the second one-way cock 32, piston are equipped at the second through-hole 31
18 are linked together by piston rod 17 and nib 16；The piston rod 17 is hollow 33, the on 17 one end of piston rod and piston 18
Two through-holes 31 are connected, and the other end is connected with written 16 cavitys 34, and 17 hollow 33 Inner of piston rod is equipped with the second one-way cock 32；
Second one-way cock 32 can close the second through-hole in 17 hollow 33 Inner of piston rod, the sealing of hole ball 28 of the second one-way cock 32
31,30 one end of spring of the second one-way cock 32 is connected with sealing of hole ball 28, and the other end is connected with piston rod 17；Described written 16 are
Liquid-permeable material is made, and nib 16 is linked together with piston rod 17, in nib 16 equipped with cavity 34 and with 17 hollow 33 phase of piston rod
It is logical.When being write on blackboard with blackboard pen, nib 16 is forced through 17 compression piston 18 of piston rod, makes the book in piston storehouse 29
Write liquid passes through piston rod 17 hollow 33 to enter in written 16 cavitys 34 by the second through-hole 31, and writing liquid is made in pressure in cavity 34
It is applied on blackboard by 16 exudation of nib with lower；When lifting blackboard pen, piston 18 is pushed again by the screen resilience of spring 30
Original causes parital vacuum in piston storehouse 29, so that writing liquid is passed through first through hole 20 and enters in piston storehouse 29；Two
One-way cock, which makes writing liquid can only enter, to outflow, in addition 18 perseveration of piston, ensure that blackboard pen persistently links up and write；
Since writing liquid is to ooze out under pressure, which can use the larger writing liquid of concentration.
Further, the PPT page turnings unit includes that the wireless receiver being arranged in computer USB jack and setting are being controlled
Wireless transmitter on pen processed；The wireless receiver includes wireless receiving chip RF83B and the list with USB1.1 data ports
Piece machine SN8P2201；The wireless transmitter includes coding chip TDH2240 and ASK wireless transmission chip MICRF113, wherein
The coding foot connection PPT upturning keys 27 and PPT downturning keys 25 of coding chip.
Further, in order to enhance guide effect, it is stroboscopic laser, packet to attract attention of student, the laser pointer unit
Include laser emitter, impulse generator, field-effect tube, the leakage of the negative input end and field-effect tube of power cathode and impulse generator
Pole is respectively connected with, and anode is connected with one end of laser switch, the other end of laser switch and the positive input of impulse generator
The anode of end and laser emitter is respectively connected with, and the output end of impulse generator is connected with the grid of field-effect tube, field-effect tube
Source electrode be connected with the cathode of laser emitter.
Claims (4)
1. a kind of classroom corollary apparatus, it is characterized in that：The device include the blackboard being arranged on metope, setting projected on roof
Device, the computer being arranged on lectern, for the hand held control pen of teacher；The blackboard be automatic erasing out handwriting, can show
Timberline lattice, electric circulation flexible plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted；The projection
Device and computer communication connection；The control pen includes that blackboard pens unit, PPT page turnings unit, laser pointer unit, motor shake control
Unit；
The blackboard includes rectangular frame：Two roller bearings on the inside of frame left and right side are set, one of roller bearing with it is miniature double
It is connected to motor shaft, and the motor is connected to and shakes control relay；Around there are one looped flexible plate face, flexible boards on two roller bearings
Face is linked together by writing plate face and projection screen and is constituted；Clamping plate is equipped between two interlayer of looped flexible plate face；Outside two roller bearings
It is correspondingly provided with rolling blackboard eraser between on the inside of side and frame left and right side；
Two pass sliding slot is correspondingly provided on the frame below；The flexibility plate face lower edges are equipped with protrusion, and protrusion is stuck in sliding slot
It is interior；Flexible plate face is in tensioning state under sliding slot and roller bearing tensioning.
2. classroom corollary apparatus according to claim 1, it is characterized in that：The flexibility plate face is by writing plate face and projection screen
Curtain is linked together composition；It is water white transparency body wherein to write plate face, can be made of flexible plastic；Projection screen is white, can be used thick
Cloth is made；It is cyclic annular be seamlessly connected to write plate face and projection screen.
3. classroom corollary apparatus according to claim 2, it is characterized in that：The clamping plate is between two interlayer of looped flexible plate face
And connect with two pass sliding slot middle, clamping plate face is black, and the miniature of transverse light rays can be formed by being equipped in clamping plate left or right side
Laser lamp, in clamping plate top or following equipped with the miniature laser lamp that can form longitudinal light, shake-up that there are one each laser lamps
Switch.
4. classroom corollary apparatus according to claim 3, it is characterized in that：The blackboard pens unit by containing liquid chamber, piston storehouse,
First one-way cock, piston, piston rod, the second one-way cock, nib are constituted；It is separated by and sets between the containing liquid chamber and piston storehouse
There is first through hole, and is equipped with the first one-way cock at first through hole；The one-way cock include sealing of hole ball and with sealing of hole ball phase
Even spring is constituted；For first one-way cock in piston storehouse, the sealing of hole ball of the first one-way cock can close first through hole, and first
The spring one end of one-way cock is connected with sealing of hole ball, and the other end is connected with piston；The piston is in piston storehouse, at piston centre
It is equipped with the second one-way cock equipped with the second through-hole, and in the second through hole, piston is linked together by piston rod and nib；It is described
Piston rod is hollow, and piston rod one end is connected with the second through-hole on piston, and the other end is connected with written cavity, in piston rod
Empty Inner is equipped with the second one-way cock；Second one-way cock can be sealed in the hollow Inner of piston rod, the sealing of hole ball of the second one-way cock
The second through-hole is closed, the spring one end of the second one-way cock is connected with sealing of hole ball, and the other end is connected with piston rod；The nib is to ooze
Liquid material is made, and nib is linked together with piston rod, in nib equipped with cavity and with piston rod is hollow communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135132.3A CN108335532A (en) | 2016-02-12 | 2016-02-12 | The classroom corollary apparatus based on projector, computer for multimedia teaching |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135132.3A CN108335532A (en) | 2016-02-12 | 2016-02-12 | The classroom corollary apparatus based on projector, computer for multimedia teaching |
| CN201610083567.9A CN105654788B (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610083567.9A Division CN105654788B (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335532A true CN108335532A (en) | 2018-07-27 |
Family
ID=56488455
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129721.0A Withdrawn CN108257427A (en) | 2016-02-12 | 2016-02-12 | Using projector and the classroom corollary apparatus and its method of work of computer |
| CN201610083567.9A Active CN105654788B (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus |
| CN201810135132.3A Withdrawn CN108335532A (en) | 2016-02-12 | 2016-02-12 | The classroom corollary apparatus based on projector, computer for multimedia teaching |
| CN201810134065.3A Withdrawn CN108346321A (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus based on projector, computer |
| CN201810129710.2A Withdrawn CN108182828A (en) | 2016-02-12 | 2016-02-12 | Using the classroom corollary apparatus and its method of work of projector |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129721.0A Withdrawn CN108257427A (en) | 2016-02-12 | 2016-02-12 | Using projector and the classroom corollary apparatus and its method of work of computer |
| CN201610083567.9A Active CN105654788B (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134065.3A Withdrawn CN108346321A (en) | 2016-02-12 | 2016-02-12 | Classroom corollary apparatus based on projector, computer |
| CN201810129710.2A Withdrawn CN108182828A (en) | 2016-02-12 | 2016-02-12 | Using the classroom corollary apparatus and its method of work of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN108257427A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435330A (en) * | 2019-03-18 | 2019-11-12 | 诸暨市勇远箱包有限公司 | A kind of pen for moving ink certainly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228788A (en) * | 2016-08-31 | 2016-12-14 | 张志军 | A kind of input equipment for multimedia teaching |
| CN108583061A (en) * | 2018-03-14 | 2018-09-28 | 魏磊 | A kind of wall word lettering pen |
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| CN2673664Y (en) * | 2004-01-05 | 2005-01-26 | 山西大学 | Band type circulation teaching board |
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- 2016-02-12 CN CN201810129721.0A patent/CN108257427A/en not_active Withdrawn
- 2016-02-12 CN CN201610083567.9A patent/CN105654788B/en active Active
- 2016-02-12 CN CN201810135132.3A patent/CN108335532A/en not_active Withdrawn
- 2016-02-12 CN CN201810134065.3A patent/CN108346321A/en not_active Withdrawn
- 2016-02-12 CN CN201810129710.2A patent/CN108182828A/en not_active Withdrawn
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| CN2673664Y (en) * | 2004-01-05 | 2005-01-26 | 山西大学 | Band type circulation teaching board |
| CN1810519A (en) * | 2006-02-15 | 2006-08-02 | 杨宗兴 | Extruded fountain pen for black board |
| CN201936473U (en) * | 2010-12-15 | 2011-08-17 | 大连职业技术学院 | Laser pen with Bluetooth transmitting and white board writing functions |
| CN202319514U (en) * | 2011-11-23 | 2012-07-11 | 潘晓娟 | Blackboard for Chinese teaching |
| JP2014052407A (en) * | 2012-09-05 | 2014-03-20 | Dainippon Printing Co Ltd | Computer device, program, and information processing system |
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| CN110435330A (en) * | 2019-03-18 | 2019-11-12 | 诸暨市勇远箱包有限公司 | A kind of pen for moving ink certainly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108182828A (en) | 2018-06-19 |
| CN105654788B (en) | 2018-07-13 |
| CN105654788A (en) | 2016-06-08 |
| CN108257427A (en) | 2018-07-06 |
| CN108346321A (en) | 2018-07-31 |
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Application publication date: 20180727 |
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