CN207683196U - A kind of blackboard being convenient to clean - Google Patents
A kind of blackboard being convenient to clean Download PDFInfo
- Publication number
- CN207683196U CN207683196U CN201721167523.0U CN201721167523U CN207683196U CN 207683196 U CN207683196 U CN 207683196U CN 201721167523 U CN201721167523 U CN 201721167523U CN 207683196 U CN207683196 U CN 207683196U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- fixedly connected
- belt wheel
- wiping
- convenient
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model is related to teaching aid technical fields, and disclose a kind of blackboard being convenient to clean, including blackboard body, the lower end of the blackboard body right side is fixedly connected with shell, the edge of the blackboard body is socketed with outline border, the positive both sides of outline border have been fixedly connected with sliding rail, and the positive both sides of outline border have been fixedly connected with bearing.The blackboard being convenient to clean, pass through the sliding block and sliding rail of setting, effectively transverse slat can be made to be slided, carry out the wiping to blackboard body, pass through ash receiving plate, the chalk dust of wiping is effectively collected, it avoids chalk dust and falls ground, pollute ground environment, under the action of telescopic rod and spring, inserted block can be connected to the inside of groove, carry out the limit to bull stick, it ensure that wiping board can be fixed effectively, avoid the case where wiping board slides in the case where not needing blackboard wiping ontology, it ensure that wiping board can be to the wiping of entire blackboard body.
Description
Technical field
The utility model is related to teaching aid technical field, specially a kind of blackboard being convenient to clean.
Background technology
Blackboard is not the plate face for refering in particular to black, says that it is a plane that can use chalk repeated writing in traditional sense,
Plate face is hard, is chiefly used in imparting knowledge to students, and blackboard is generally used made of plank or ground glass etc., can specifically write material with chalk etc.
Material writes above.Mostly black, blackish green, white or ecru.
Currently, existing blackboard is all to have one piece of plate face, the plate of ash and outer framework to be put together, structure is excessively simple
The reason of list, some teachers and classmate are by height, blackboard higher place is very difficult when wiping, and is not easily cleaned, causes black
Plate is visual unsightly, due to blackboard eraser small volume, in wiping, unusual trouble is time-consuming and laborious, in addition different courses
Word all stays on backboard, causes the confusion of the different spaces of a whole page, influences the efficiency attended class.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of blackboard being convenient to clean, and has easy cleaning, saves
Shi Shengli, improve efficiency of teaching the advantages that, solve blackboard it is higher place wiping when it is very difficult, be not easily cleaned, cause
Blackboard is visual unsightly, very troublesome in wiping due to blackboard eraser small volume, time-consuming and laborious, in addition different courses
Word the problem of all staying on backboard, causing the confusion of the different spaces of a whole page, influence the efficiency attended class.
(2) technical solution
It is time saving and energy saving to realize above-mentioned easy cleaning, efficiency of teaching purpose is improved, the utility model provides following technical side
Case：The lower end of a kind of blackboard being convenient to clean, including blackboard body, the blackboard body right side is fixedly connected with shell, institute
The edge for stating blackboard body is socketed with outline border, and the positive both sides of outline border have been fixedly connected with sliding rail, the outline border
Positive both sides have been fixedly connected with bearing, and the inner ring movable sleeve of the bearing is connected to shaft, and the outer surface of the shaft is fixed
There are two symmetrical first pulley, the outer surfaces of two first pulleys to be wound with drawstring for connection, and the drawstring is separate
One end of first pulley is fixedly connected with transverse slat, and the both sides of the transverse slat have been fixedly connected with sliding block, and the sliding block is connected to cunning
The inside of rail, the bottom of the transverse slat are fixedly connected with ash receiving plate, and the back side of the transverse slat is fixedly connected with wiping board, and wiping board
The back side is in contact with blackboard body, and the right side fixing sleeve of the shaft outer surface is connected to the second belt wheel, and second belt wheel passes through
Belt transmission is connected with third belt wheel, and the inner ring fixing sleeve of the third belt wheel is connected to bull stick, and bull stick is located at the inside of shell,
The outer surface of the bull stick has been fixedly attached limiting device, and the left end of the bull stick runs through and extend to the outside of shell, described
One end that bull stick is located at shell exterior is fixedly connected with turning handle.
Preferably, the limiting device includes spacing collar, and fluted, the groove is opened up at the top of the spacing collar inner ring
It is inside connected with inserted block, the one end of the inserted block far from groove is fixedly connected with telescopic rod, and the other end pivot bush unit of telescopic rod
In bull stick, the outer surface movable sleeve of the telescopic rod is connected to spring.
Preferably, the one end of the ash receiving plate far from transverse slat is in contact with the front of blackboard body, and the shape of ash receiving plate
In L.
Preferably, the quantity of the inserted block is no less than six, and inserted block is arranged in annular shape is equidistant on bull stick.
Preferably, second belt wheel is located at the right side of blackboard body, and the second belt wheel and third belt wheel are located at same erect
On straight line.
Preferably, the top and bottom of the spacing collar are fixedly connected with the inner roof wall of shell and inner bottom wall, and are limited
There are gaps between circle and third belt wheel.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of blackboard being convenient to clean, and has following advantageous effect：
1, the blackboard being convenient to clean under the action of drawstring, can pull the shifting of transverse slat or more by the wiping board of setting
It is dynamic, by the sliding rail and sliding block of setting, effectively transverse slat can be made to be slided, the wiping to blackboard body be carried out, by connecing
Hawk is effectively collected the chalk dust of wiping, is avoided chalk dust and is fallen ground, pollutes ground environment.
2, the blackboard being convenient to clean, can be by inserted block under the action of telescopic rod and spring by the spacing collar of setting
It is connected to the inside of groove, carries out the limit to bull stick, ensure that wiping board can be fixed effectively, avoiding need not wipe
The case where wiping board slides in the case of blackboard body, by the second belt wheel and third belt wheel of setting, in the effect of belt
Under, transverse slat can be carried out to upper and lower pulling, ensure that wiping board can be to the wiping of entire blackboard body.
Description of the drawings
Fig. 1 is the front view of the utility model blackboard body；
Fig. 2 is the side view of the utility model wiping board；
Fig. 3 is the sectional view of the utility model shell front view；
Fig. 4 is the front view of the utility model limiting device.
In figure：1 blackboard body, 2 shells, 3 outline borders, 4 sliding rails, 5 bearings, 6 shafts, 7 first pulleys, 8 drawstrings, 9 transverse slats, 10
Sliding block, 11 ash receiving plates, 12 wiping boards, 13 second belt wheels, 14 belts, 15 third belt wheels, 16 bull sticks, 17 limiting devices, 1701 limits
Circle, 1702 grooves, 1703 inserted blocks, 1704 telescopic rods, 1705 springs, 18 turning handles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, a kind of blackboard being convenient to clean, including blackboard body 1, the lower end of 1 right side of blackboard body are solid
Surely it is connected with shell 2, the edge of blackboard body 1 is socketed with outline border 3, can effectively be fixed to blackboard body 1,
It ensure that stability of the blackboard body 1 in writing, 3 positive both sides of outline border have been fixedly connected with sliding rail 4, outline border 3 is positive
Both sides have been fixedly connected with bearing 5, can effectively countershaft 6 be rotated, ensure that transverse slat 9 is flexible when sliding up and down
Property, the inner ring movable sleeve of bearing 5 is connected to shaft 6, and the outer surface of shaft 6 is fixedly connected there are two symmetrical first pulley 7,
Drawstring 8 can effectively be wound, avoid drawstring 8 and winding mixed and disorderly in shaft 6 and while causing transverse slat 9 to move up and down goes out
The outer surface of existing unbalanced situation, two first pulleys 7 is wound with drawstring 8, and the one end of drawstring 8 far from first pulley 7 is solid
Surely it is connected with transverse slat 9, the both sides of transverse slat 9 have been fixedly connected with sliding block 10, ensure that flexibility of the wiping board 12 in wiping, convenient
The operation of user, sliding block 10 are connected to the inside of sliding rail 4, and the bottom of transverse slat 9 is fixedly connected with ash receiving plate 11, ash receiving plate 11
One end far from transverse slat 9 is in contact with the front of blackboard body 1, and the shape of ash receiving plate 11 is in L, can be effectively to chalk
The collection of ash, avoids chalk dust and falls ground, rubbish is caused to ground, it is difficult to clear up, the back side of transverse slat 9 is fixedly connected with wiping
Plate 12, and the back side of wiping board 12 is in contact with blackboard body 1, can wipe blackboard body 1 is more clean, outside shaft 6
The right side fixing sleeve on surface is connected to the second belt wheel 13, and the second belt wheel 13 is located at the right side of blackboard body 1, and the second belt wheel 13 and
Three belt wheels 15 are located on same vertical line, ensure that the flexibility of belt 14 when in use, the operation for the person of being convenient to use improve
Efficiency, the second belt wheel 13 are sequentially connected with third belt wheel 15 by belt 14, avoid belt 14 and are detached from second at work
Belt wheel 13 and third belt wheel 15 ensure that stability of the belt 14 in rotation, and the inner ring fixing sleeve of third belt wheel 15, which is connected to, to be turned
Bar 16, and bull stick 16 is located at the inside of shell 2, the outer surface of bull stick 16 has been fixedly attached limiting device 17, without using wiping board
In the case of 12, wiping board 12 can be limited, ensure that the stability of wiping board 12, limiting device 17 include spacing collar
1701, the top and bottom of spacing collar 1701 are fixedly connected with the inner roof wall of shell 2 and inner bottom wall, and spacing collar 1701 and
There are gaps between three belt wheels 15, avoid telescopic rod 1704 and rub between third belt wheel 15 in rotation, ensure that
Flexibility of the telescopic rod 1704 in rotation, opens up fluted 1702 at the top of 1701 inner ring of spacing collar, clamping in groove 1702
There is inserted block 1703, the quantity of inserted block 1703 is no less than six, and inserted block 1703 is arranged in annular shape is equidistant on bull stick 16,
The effective limit distance for shortening wiping board 12 ensure that user can be adjusted wiping board 12 to suitable height, inserted block
1703 one end far from groove 1702 are fixedly connected with telescopic rod 1704, and the other end of telescopic rod 1704 is actively socketed on and turns
In bar 16, the outer surface movable sleeve of telescopic rod 1704 is connected to spring 1705, can be resetted to inserted block 1703, ensure that inserted block
1703 are entering in groove 1702 and can effectively fix, and the left end of bull stick 16 runs through and extend to the outside of shell 2, bull stick 16
One end outside shell 2 is fixedly connected with turning handle 18, can effectively countershaft 6 be adjusted, the person's of being convenient to use
Operation, improves the efficiency of work, saves the time.
When work, turning handle 18 is rotated, bull stick 16 starts to rotate, and third belt wheel 15 drives the rotation of the second belt wheel 13, at this point,
First pulley 7 wind drawstring 8 pull transverse slat 9, under the action of sliding rail 4 and sliding block 10, transverse slat 9 flexibly rise, wiping board 12 into
Wiping of the row to blackboard body 1, waits after wiping, transverse slat 9 is risen to the top of blackboard body 1, pass through the work of spring 1705
With telescopic rod 1704 pushes the inside that inserted block 1703 is connected to groove 1702, and the position of wiping board 12 is fixed, and completes to wipe
It wipes.
In conclusion the blackboard being convenient to clean, cross can be pulled by the wiping board 12 of setting under the action of drawstring 8
The movement of about 9 plate can be effectively such that transverse slat 9 is slided, be carried out to blackboard sheet by the sliding rail 4 and sliding block 10 of setting
The wiping of body 1 is effectively collected the chalk dust of wiping by ash receiving plate 11, is avoided chalk dust and is fallen ground, pollution
Ground environment under the action of telescopic rod 1704 and spring 1705, can be blocked inserted block 1703 by the spacing collar 1701 of setting
It is connected on the inside of groove 1702, carries out the limit to bull stick 16, ensure that wiping board 12 can be fixed effectively, avoid not
The case where wiping board 12 slides in the case of blackboard wiping ontology 1 is needed, the second belt wheel 13 and third belt wheel of setting are passed through
15, under the action of belt 14, transverse slat 9 can be carried out to upper and lower pulling, ensure that wiping board 12 can be to entire blackboard body 1
Wiping, solve blackboard it is higher place wiping when it is very difficult, be not easily cleaned, cause blackboard visual unsightly,
Very troublesome in wiping due to blackboard eraser small volume, time-consuming and laborious, in addition the word of different courses all stays on backboard,
The confusion for causing the different spaces of a whole page, the problem of influencing the efficiency attended class.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of blackboard being convenient to clean, including blackboard body (1), it is characterised in that：Under blackboard body (1) right side
End is fixedly connected with shell (2), and the edge of the blackboard body (1) is socketed with outline border (3), outline border (3) front
Both sides be fixedly connected with sliding rail (4), the positive both sides of the outline border (3) have been fixedly connected with bearing (5), the bearing
(5) inner ring movable sleeve is connected to shaft (6), and the outer surface of the shaft (6) is fixedly connected with that there are two symmetrical first pulleys
(7), the outer surface of two first pulleys (7) is wound with drawstring (8), the drawstring (8) far from first pulley (7) one
End is fixedly connected with transverse slat (9), and the both sides of the transverse slat (9) have been fixedly connected with sliding block (10), and the sliding block (10) is connected to
The bottom of the inside of sliding rail (4), the transverse slat (9) is fixedly connected with ash receiving plate (11), and the back side of the transverse slat (9) is fixedly connected
There is wiping board (12), and the back side of wiping board (12) is in contact with blackboard body (1), the right side fixing sleeve of shaft (6) outer surface
It is connected to the second belt wheel (13), second belt wheel (13) is sequentially connected with third belt wheel (15), the third by belt (14)
The inner ring fixing sleeve of belt wheel (15) is connected to bull stick (16), and bull stick (16) is located at the inside of shell (2), the bull stick (16) it is outer
Surface has been fixedly attached limiting device (17), and the left end of the bull stick (16) runs through and extend to the outside of shell (2), described turn
Bar (16) is located at the external one end of shell (2) and is fixedly connected with turning handle (18).
2. a kind of blackboard being convenient to clean according to claim 1, it is characterised in that：The limiting device (17) includes limit
(1701) are enclosed in position, are opened up fluted (1702) at the top of spacing collar (1701) inner ring, are connected in the groove (1702)
Inserted block (1703), the one end of the inserted block (1703) far from groove (1702) are fixedly connected with telescopic rod (1704), and telescopic rod
(1704) the other end is actively socketed in bull stick (16), and the outer surface movable sleeve of the telescopic rod (1704) is connected to spring
(1705)。
3. a kind of blackboard being convenient to clean according to claim 1, it is characterised in that：The ash receiving plate (11) is far from transverse slat
(9) one end is in contact with the front of blackboard body (1), and the shape of ash receiving plate (11) is in L.
4. a kind of blackboard being convenient to clean according to claim 2, it is characterised in that：The quantity of the inserted block (1703) is not
Less than six, and inserted block (1703) is arranged in annular shape is equidistant on bull stick (16).
5. a kind of blackboard being convenient to clean according to claim 1, it is characterised in that：Second belt wheel (13) is located at black
The right side of plate ontology (1), and the second belt wheel (13) and third belt wheel (15) are located on same vertical line.
6. a kind of blackboard being convenient to clean according to claim 2, it is characterised in that：The top of the spacing collar (1701)
It is fixedly connected with the inner roof wall of shell (2) and inner bottom wall with bottom, and is stayed between spacing collar (1701) and third belt wheel (15)
There is gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167523.0U CN207683196U (en) | 2017-09-13 | 2017-09-13 | A kind of blackboard being convenient to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167523.0U CN207683196U (en) | 2017-09-13 | 2017-09-13 | A kind of blackboard being convenient to clean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207683196U true CN207683196U (en) | 2018-08-03 |
Family
ID=62987827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167523.0U Expired - Fee Related CN207683196U (en) | 2017-09-13 | 2017-09-13 | A kind of blackboard being convenient to clean |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207683196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171563A (en) * | 2018-09-20 | 2019-01-11 | 江苏省交通技师学院 | A kind of classroom dust cleaning device |
-
2017
- 2017-09-13 CN CN201721167523.0U patent/CN207683196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171563A (en) * | 2018-09-20 | 2019-01-11 | 江苏省交通技师学院 | A kind of classroom dust cleaning device |
| CN109171563B (en) * | 2018-09-20 | 2023-09-15 | 江苏省交通技师学院 | Classroom dust cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207683196U (en) | A kind of blackboard being convenient to clean | |
| CN107053915A (en) | A kind of education blackboard cleaning device | |
| CN205800585U (en) | A kind of teaching blackboard collecting dust | |
| CN203358144U (en) | Blackboard eraser with dust collection function for English teaching | |
| CN106985577A (en) | A kind of multi-functional classroom blackboard | |
| CN209566695U (en) | A kind of College English board of education | |
| CN108312751A (en) | A kind of junior middle school's teaching equipment | |
| CN203752737U (en) | Circular alternating wiping-free dustless blackboard | |
| CN203888482U (en) | Combined structure of blackboard and blackboard eraser | |
| CN203460590U (en) | Blackboard eraser | |
| CN203681101U (en) | Dust removing blackboard eraser | |
| CN203063446U (en) | Novel automatic blackboard eraser | |
| CN206653800U (en) | A kind of blackboard for being easy to wipe | |
| CN204149729U (en) | A kind of Destination Management practical teaching blackboard | |
| CN204432172U (en) | Multifunctional blackboard eraser | |
| CN203832082U (en) | Multifunctional blackboard | |
| CN108877314B (en) | Classroom is with culture display device who inhales chalk dust | |
| CN209600116U (en) | A kind of mathematical education blackboard | |
| CN208324673U (en) | A kind of music teaching blackboard convenient for drawing staff | |
| CN206030870U (en) | Blackboard of english teaching usefulness | |
| CN207327927U (en) | A kind of multi-functional classroom blackboard | |
| CN208030622U (en) | A kind of teacher platform table for being convenient to clean and using | |
| CN206277842U (en) | A kind of new auxiliary teaching device | |
| CN205498421U (en) | Can clear circulating blackboard | |
| CN206718826U (en) | A kind of hair long formula blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |