CN108790498A - Intake type blackboard - Google Patents
Intake type blackboard Download PDFInfo
- Publication number
- CN108790498A CN108790498A CN201811017142.3A CN201811017142A CN108790498A CN 108790498 A CN108790498 A CN 108790498A CN 201811017142 A CN201811017142 A CN 201811017142A CN 108790498 A CN108790498 A CN 108790498A
- Authority
- CN
- China
- Prior art keywords
- gear
- blackboard
- intake type
- engaged
- frame
- 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.)
- Pending
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Classifications
-
- 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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of intake type blackboards, including blackboard frame and the blackboard being slidably connected in blackboard frame, blackboard frame upper end is installed with batching room, it is rotatably connected to shaft in batching room, projection screen is wound in shaft, blackboard frame slidably connects motor on lower end, it is fixedly connected with first gear on the output shaft of motor, it is equipped with the gear teeth engaged with first gear on the downside of blackboard, gear set is additionally provided in blackboard frame, gear set, which is used to match to merge with first gear, drives shaft rotation.Scheme disclosed by the invention can improve the convenience that blackboard uses.
Description
Technical field
The invention belongs to the technical fields of blackboard, and in particular to a kind of intake type blackboard.
Background technology
Blackboard is that have irreplaceable role in the common teaching aid of occasions such as school instruction and training.Traditional
Blackboard is integrally fixed on wall, can not be movable forward or backward, some teaching aids can be only placed on lectern or at school before by
Teacher fetches from teaching aid room, blocks the sight of student and takes cumbersome.Blackboard has a single function simultaneously, is not suitable with present more
Multi media for teaching.
Currently, some existing blackboard exhibition cabinets make portion's cavity of cabinet constitute a storage space, for containing
Put exhibit and sundries.And it is provided with projection screen reel, with the needs suitable for different occasions.But it is deposited in said program
In following problem：Since blackboard progress is elastic, after projection screen is fallen, projection screen can cover in blackboard, lead to nothing
Method uses blackboard and projection screen simultaneously, makes troubles to user of service, simultaneously because blackboard progress is elastic, every time will
When blackboard carries out retracted for clearance, the sundries that will be stored in cabinet is required for take out, has inconvenience more using upper.
Therefore, how to improve the convenience that blackboard uses becomes technical problem urgently to be resolved hurrily.
Invention content
The technical problem to be solved in the present invention is how to improve the convenience that blackboard uses.
For this purpose, according in a first aspect, the embodiment of the invention discloses a kind of intake type blackboard, including blackboard frame and sliding connect
The blackboard being connected in blackboard frame, blackboard frame upper end are installed with batching room, and shaft is rotatably connected in batching room, is wound in shaft
Projection screen slidably connects motor on blackboard frame lower end, is fixedly connected with first gear on the output shaft of motor, on the downside of blackboard
Equipped with the gear teeth engaged with first gear, gear set is additionally provided in blackboard frame, gear set is used to match Merging zone method with first gear
Turn shaft rotation is dynamic.
Optionally, blackboard frame lower end is fixedly provided with the second gear engaged with blackboard, in being coaxially arranged in second gear
Empty channel washer is also rotatably connected to hollow fixed link in hollow channel washer, gas is provided in hollow channel washer and hollow fixed link
Hole is fixedly connected with negative pressure blade on hollow channel washer, and negative pressure blade in hollow fixed link for forming negative pressure, hollow fixation
Exhaust outlet is provided on bar.
Optionally, the stomata in hollow fixed link is equipped with strainer.
Optionally, it is additionally provided with collection box on hollow channel washer.
Optionally, side of the hollow channel washer far from blackboard is equipped with shell.
Optionally, the connection type of holding section and holding section cooperation is key connection.
Optionally, holding section is provided in first gear, the gear set includes：The third tooth being fixedly arranged in blackboard frame
Wheel, the 4th gear and the 5th gear, are provided with card coordinate with holding section and auxiliary section on third gear, third gear for
First gear coordinates, and toothed chain is engaged between the 4th gear and the 5th gear, first bevel gear is coaxially arranged on the 5th gear,
Second bevel gear is engaged in first bevel gear, second bevel gear is coaxially connected to drive shaft to rotate with shaft.
Optionally, motor is double output ends motor.
Optionally, gear set includes the 6th gear being fixedly connected with the output end of motor, and card is provided on the 6th gear
Conjunction portion further includes：Third gear, the 4th gear and the 5th gear being fixedly arranged in blackboard frame are provided with and are blocked on third gear
The card of conjunction portion cooperation and auxiliary section, third gear are used to coordinate with first gear, be engaged between the 4th gear and the 5th gear
Toothed chain is coaxially arranged with first bevel gear on the 5th gear, is engaged with second bevel gear in first bevel gear, second bevel gear with
Shaft is coaxially connected to drive shaft to rotate.
The beneficial effects of the present invention are：
Intake type blackboard provided in an embodiment of the present invention, by the way that blackboard to be slidably connected in blackboard frame so that blackboard can
To move horizontally, to the subsequent space of blackboard frame can be used for store the sundries such as teaching aid, chalk, compared with prior art in blackboard
For can only being moved forward and backward, need not can repeatedly it be moved by the sundries long-time storage such as teaching aid, chalk in blackboard frame.Profit
Blackboard is cleared up with channel washer rotation, the chalk dust that the negative pressure that channel washer generates when rotating generates cleaning sucks channel washer
It is interior, it avoids when erasing the board, chalk dust disorderly flies to suck body by teacher and front-seat student, is generated to the body of Faculty and Students strong
Health hidden danger.In addition, by the cooperation between first gear and gear set, the whereabouts of the movement of blackboard and projection screen is linked
Come, blackboard moves horizontally two kinds of functions when so as to realize that curtain moves horizontally motionless with curtain to blackboard when falling, convenient
Teacher can also be convenient to use blackboard when using projecting apparatus, while conveniently take out article in the vessel out of blackboard frame.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the side view of the embodiment of the present invention one；
Fig. 3 is the side view of the embodiment of the present invention two；
Fig. 4 is the concrete structure schematic diagram of channel washer in the embodiment of the present invention one.
Reference numeral：Blackboard frame 1, blackboard 2, batching room 3, shaft 4, cropping hole 5, pulley 6, micromotor 7, first gear
8, holding section 9, second gear 10, third gear 11, the 4th gear 12, the 5th gear 13, snap fit portion 14, toothed chain 15,
One bevel gear 16, second bevel gear 17, hollow channel washer 18, the first stomata 19, hollow fixed link 20, the second stomata 21, negative pressure
Blade 22, collects hole 24, collection box 25, the 6th gear 26 at exhaust outlet 23.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In order to improve the convenience that blackboard uses, present embodiment discloses a kind of intake type blackboard, please refer to Fig.1 and Fig. 2,
For the structure chart of the intake type blackboard of the embodiment of the present invention one.
Intake type blackboard includes blackboard frame 1 and blackboard 2, and batching room 3 is welded on the inside of 1 upper end of blackboard frame, is turned in batching room 3
It is dynamic to be connected with shaft 4, projection screen is wound in shaft 4,3 bottom of batching room is provided with cropping hole 5, and projection screen passes through cropping hole
5 fall；Blackboard 2 is inverted " t " type, is installed on the inverted " t " type lower face of blackboard 2 there are two pulley 6,1 downside of blackboard frame is equipped with
Sliding rail, pulley 6 slide in sliding rail, and blackboard 2 does the horizontal sliding of left and right directions by pulley 6 in blackboard frame 1, and pulley is arranged
6 reduce the frictional force between blackboard 2 and blackboard frame 1, while also reducing the noise that blackboard 2 generates when moving, black after blackboard 2
It is the cavity of the sundries such as placement teaching aid, chalk in sheet frame 1.The gear teeth, 1 downside of blackboard frame are provided on the inverted " t " type upper surface of blackboard 2
Slidably connect micromotor 7, be fixedly and coaxially connected first gear 8 on the output shaft of micromotor 7, first gear 8 with it is black
Plate 2 is engaged to drive the left and right directions in blackboard frame 1 of blackboard 2 to move horizontally.Holding section 9, blackboard frame are provided in first gear 8
Sliding slot is provided on 1, be slidably connected in sliding slot be useful for drive micromotor 7 slide handle (not shown), handle with it is micro-
Type motor 7 is affixed.
Gear set is additionally provided in blackboard frame 1, as depicted in figs. 1 and 2, gear set includes being rotatably connected in blackboard frame 1
Third gear 11, the 4th gear 12 and the 5th gear 13, wherein third gear 11 is arranged in parallel with first gear 8, third tooth
Wheel 11 passes through toothed chain 15 and for engaging with the driving by first gear 8 and move with first gear 8 on third gear 11
Four gears 12 connect, and 15 left side of toothed chain is engaged with the 5th gear 13, and first bevel gear 16 is also coaxially connected on the 5th gear 13,
16 left side of first bevel gear is engaged with second bevel gear 17, and second bevel gear 17 and the shaft 4 in batching room 3 are coaxially connected.
As another embodiment two, referring to FIG. 3, micromotor 7 is double output ends motor, one end of micromotor 7
It is fixedly connected by telescopic rod with first gear 8, the other end of micromotor 7 is fixedly connected with the 6th gear 26, the 6th gear
Holding section 9 is provided on 26, gear set includes the third gear 11 being rotatably connected in blackboard frame 1, the 4th gear 12 and the 5th
Gear 13, wherein third gear 11 is oppositely arranged with first gear 8, and is provided on third gear 11 and is coordinated with holding section 9
Snap fit portion 14, the connection type between holding section 9 and snap fit portion 14 are connected for flat key, are detachably connected compared to other
For mode, easy pairing is easily separated.Third gear 11 is connect by toothed chain 15 with the 4th gear 12, and 15 left side of toothed chain is engaged with
5th gear 13, first bevel gear 16 is also coaxially connected on the 5th gear 13, and 16 left side of first bevel gear is engaged with the second cone
Gear 17, second bevel gear 17 and the shaft 4 in batching room 3 are coaxially connected.
It is fixedly connected, is avoided in first gear 8 when being detached with blackboard 2, the tooth and blackboard of first gear 8 by telescopic rod
Gear teeth direct friction on 2 reduces the noise generated when the two separation, while also reducing abrasion, extends the use of first gear 8
Service life.
As shown in Figure 1 and Figure 4, the second gear 10 engaged with blackboard 2, second gear are also rotatably connected in blackboard frame 1
Hollow channel washer 18 is coaxially connected on 10, hollow channel washer 18 is coated with cloth, first is provided on hollow channel washer 18
Stomata 19 is also rotatably connected to hollow fixed link 20 in hollow channel washer 18, the second stomata 21 is provided in hollow fixed link 20, and
Filter screen (not shown) is installed on two stomatas 21, chalk dust is inhaled by the stomata on channel washer in channel washer, if
Strainer is set, avoids hollow fixed link 20 when drawing the gas formation negative pressure in channel washer, chalk dust is sucked into hollow fixed link
In 20, to make chalk dust be discharged channel washer with air-flow, adsorption effect of the channel washer to chalk dust is reduced.Hollow channel washer 18
It is inside also fixedly connected with negative pressure blade 22, negative pressure blade 22 stretches into 20 bottom of hollow fixed link for the shape in hollow fixed link 20
At negative pressure, 20 bottom of hollow fixed link is provided with the exhaust outlet 23 being in communication with the outside, and 18 bottom of hollow channel washer, which is provided with, collects hole 24,
It collects and is connected with annular collection box 25 on hole 24, the chalk dust that channel washer is collected, which is fallen into collection box 25, to be focused on, no
It needs manually to clear up the chalk dust in channel washer manually, saves manpower.It is installed with semicircle outside hollow channel washer 18
Shape protective cover, prevents teacher when walking about on dais, and the chalk dust on hollow channel washer 18 is rubbed makes clothing dirty with.
Intake type blackboard 2 provided by the invention by projection screen in shaft 4, then passes through 16 He of first bevel gear
The rotation of second bevel gear 17, when needed falls projection screen, compared to projection screen is directly hung over the top of blackboard 2
Speech need not occupy the excessive space of classroom interior walls and avoid projection screen is exposed for a long time from adhering to excessive dust in air,
Influence projection quality.In addition by the cooperation of first gear 8 and gear set, the whereabouts of the movement of blackboard 2 and projection screen is joined
It moves up, blackboard 2 moves horizontally two kinds of work(when so as to realize that curtain moves horizontally motionless with curtain to blackboard 2 when falling
Can, facilitate teacher that can also be convenient to use blackboard 2 when using projecting apparatus, while conveniently being taken in the vessel out of blackboard frame 1
Go out article.Blackboard 2 is cleared up using channel washer rotation, the chalk dust that the negative pressure that channel washer generates when rotating generates cleaning
Suck in channel washer, avoid erase the board 2 when, chalk dust disorderly flies to suck body by teacher and front-seat student, gives Faculty and Students
Body generate healthy hidden danger.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Make several modifications and improvements.These should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific implementation mode can be used for explaining the content of claim.
Claims (10)
1. a kind of intake type blackboard, including blackboard frame and the blackboard that is slidably connected in blackboard frame, which is characterized in that in blackboard frame
End is installed with batching room, and shaft is rotatably connected in batching room, is wound with projection screen in shaft, the company of sliding on blackboard frame lower end
It is connected to motor, first gear is fixedly connected on the output shaft of motor, the gear teeth engaged with first gear are equipped on the downside of blackboard, it is black
Gear set is additionally provided in sheet frame, gear set is used to rotate with drive shaft is merged with first gear.
2. intake type blackboard as described in claim 1, which is characterized in that blackboard frame lower end is fixedly provided with engaged with blackboard
Two gears are coaxially arranged with hollow channel washer in second gear, hollow fixed link are also rotatably connected in hollow channel washer, hollow
It is provided with stomata on channel washer and hollow fixed link, negative pressure blade is fixedly connected on hollow channel washer, negative pressure blade is used for
Negative pressure is formed in hollow fixed link, and exhaust outlet is provided in hollow fixed link.
3. intake type blackboard as claimed in claim 2, which is characterized in that the stomata in hollow fixed link is equipped with strainer.
4. intake type blackboard as claimed in claim 2, which is characterized in that be additionally provided with collection box on hollow channel washer.
5. intake type blackboard as claimed in claim 2, which is characterized in that side of the hollow channel washer far from blackboard is equipped with outer
Shell.
6. the intake type blackboard as described in claim 1-5 any one claims, which is characterized in that gear set includes：Turn
Dynamic third gear, the 4th gear and the 5th gear being connected in blackboard frame, is engaged with teeth between third gear and the 4th gear
Chain is engaged with first gear with the driving by first gear and is moved on the outside of toothed chain, the 5th gear and toothed chain outside engage with
It is moved by the driving of toothed chain, first bevel gear is coaxially arranged on the 5th gear, the second cone is engaged in first bevel gear
Gear, second bevel gear are coaxially connected to drive shaft to rotate with shaft.
7. the intake type blackboard as described in claim 1-5 any one claims, which is characterized in that motor is double output ends
Motor.
8. intake type blackboard as claimed in claim 7, which is characterized in that gear set includes being fixedly connected with the output end of motor
The 6th gear, be provided with holding section on the 6th gear, further include：Third gear, the 4th tooth being rotationally connected in blackboard frame
Wheel and the 5th gear are provided with the card coordinated with holding section and auxiliary section on third gear, and third gear is used for and first gear
Cooperation is engaged with toothed chain, is engaged on the outside of the 5th gear and toothed chain to be driven by toothed chain between third gear and the 4th gear
And move, it is also coaxially arranged with first bevel gear on the 5th gear, second bevel gear, the second cone tooth are engaged in first bevel gear
Wheel is coaxially connected to drive shaft to rotate with shaft.
9. intake type blackboard as claimed in claim 8, which is characterized in that the connection type of holding section and holding section cooperation is key
Connection.
10. intake type blackboard as claimed in claim 9, which is characterized in that slidably connect handle in blackboard frame, the one of handle
End is fixedly connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017142.3A CN108790498A (en) | 2018-08-30 | 2018-08-30 | Intake type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017142.3A CN108790498A (en) | 2018-08-30 | 2018-08-30 | Intake type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108790498A true CN108790498A (en) | 2018-11-13 |
Family
ID=64081804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811017142.3A Pending CN108790498A (en) | 2018-08-30 | 2018-08-30 | Intake type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108790498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233465A (en) * | 2020-10-29 | 2021-01-15 | 温州职业技术学院 | Projection equipment for information technology teaching |
| CN114851753A (en) * | 2022-04-22 | 2022-08-05 | 武昌理工学院 | Multi-mode teaching device for English teaching |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222618Y (en) * | 1995-01-26 | 1996-03-20 | 穆尔扎别克 | Automatic self-cleaning dustless blackboard |
| CN202319518U (en) * | 2011-12-01 | 2012-07-11 | 张建东 | Blackboard for teaching Chinese |
| CN203157522U (en) * | 2013-04-07 | 2013-08-28 | 卢京爱 | Dust collection blackboard eraser |
| CN204440676U (en) * | 2015-03-05 | 2015-07-01 | 赵伟丽 | A kind of Mobile multimedia instructional device |
| CN205416871U (en) * | 2015-12-17 | 2016-08-03 | 韩呈祥 | Multi -functional blackboard |
| CN105882244A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Reflection preventing blackboard |
| CN206524015U (en) * | 2017-02-28 | 2017-09-26 | 陕西职业技术学院 | A kind of multi-functional Chinese literature board of education |
| CN206638942U (en) * | 2017-03-16 | 2017-11-14 | 周忠亮 | A kind of classroom instruction projection screen of stabilization |
| CN108162638A (en) * | 2017-12-29 | 2018-06-15 | 范科晨 | One kind is exempted to wipe disposable teacher's blackboard |
-
2018
- 2018-08-30 CN CN201811017142.3A patent/CN108790498A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222618Y (en) * | 1995-01-26 | 1996-03-20 | 穆尔扎别克 | Automatic self-cleaning dustless blackboard |
| CN202319518U (en) * | 2011-12-01 | 2012-07-11 | 张建东 | Blackboard for teaching Chinese |
| CN203157522U (en) * | 2013-04-07 | 2013-08-28 | 卢京爱 | Dust collection blackboard eraser |
| CN204440676U (en) * | 2015-03-05 | 2015-07-01 | 赵伟丽 | A kind of Mobile multimedia instructional device |
| CN205416871U (en) * | 2015-12-17 | 2016-08-03 | 韩呈祥 | Multi -functional blackboard |
| CN105882244A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Reflection preventing blackboard |
| CN206524015U (en) * | 2017-02-28 | 2017-09-26 | 陕西职业技术学院 | A kind of multi-functional Chinese literature board of education |
| CN206638942U (en) * | 2017-03-16 | 2017-11-14 | 周忠亮 | A kind of classroom instruction projection screen of stabilization |
| CN108162638A (en) * | 2017-12-29 | 2018-06-15 | 范科晨 | One kind is exempted to wipe disposable teacher's blackboard |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233465A (en) * | 2020-10-29 | 2021-01-15 | 温州职业技术学院 | Projection equipment for information technology teaching |
| CN112233465B (en) * | 2020-10-29 | 2022-04-12 | 温州职业技术学院 | Projection equipment for information technology teaching |
| CN114851753A (en) * | 2022-04-22 | 2022-08-05 | 武昌理工学院 | Multi-mode teaching device for English teaching |
| CN114851753B (en) * | 2022-04-22 | 2022-11-04 | 武昌理工学院 | Multimode teaching device is used in english teaching |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |