CN206907247U - A kind of English teaching dust guard - Google Patents
A kind of English teaching dust guard Download PDFInfo
- Publication number
- CN206907247U CN206907247U CN201720439325.9U CN201720439325U CN206907247U CN 206907247 U CN206907247 U CN 206907247U CN 201720439325 U CN201720439325 U CN 201720439325U CN 206907247 U CN206907247 U CN 206907247U
- Authority
- CN
- China
- Prior art keywords
- sliding block
- slide rail
- clipboard
- dust
- english teaching
- 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
- Electrically Operated Instructional Devices (AREA)
Abstract
It the utility model is related to a kind of dust guard, more particularly to a kind of English teaching dust guard.The technical problems to be solved in the utility model is to provide a kind of English teaching dust guard.In order to solve the above-mentioned technical problem, the utility model provides such a English teaching dust guard, includes wall, clipboard, the first sliding block, screw, the first slide rail, block, lifting device etc.；Front side middle part is provided with lifting device at the top of wall, audio amplifier is provided with the wall of lifting device left and right ends, symmetrical expression is provided with the first slide rail on the wall of the left and right sides below lifting device, the upper and lower ends of first slide rail are provided with block, the first sliding block is provided with first slide rail, clipboard is connected between the first sliding block.The utility model has reached the position for being easy to regulating writing plate and can preferably fix clipboard, is easy to be applicable the writing of the English teaching of different height teachers, and writing and the erasing that can be rapidly erased teaching writing are thorough.
Description
Technical field
It the utility model is related to a kind of dust guard, more particularly to a kind of English teaching dust guard.
Background technology
English teaching refers to the process of be for English or be not that the people of first language teaches English.English teaching
Be related to a variety of professional theory knowledges, including linguistics, second language acquisition, lexicology, syntactics, Style Science, corpus it is theoretical,
The contents such as cognitive psychology.English teaching is an incremental process, is either for English or is not the first language
For the people of speech, English study is all vital in today of globalization fast development.
The electronic product that English teaching needs puts hearing and recording, and most of English teaching devices are difficult to make to put hearing and record
The volume of sound is diffused into every nook and cranny, and hearing and recording volume are difficult to equal control, and English teaching writing is inconvenient, it is difficult to adjusts
The position of clipboard, it has not been convenient to teaching and shortage dust guard pollution abatement equipment in each height teacher, the processing not in time of dust and dust
The shortcomings that easily influenceing the health of Faculty and Students, thus need badly research and develop a kind of teaching for being easy to be applicable different height teachers with
It is capable of the English teaching dust guard of timely processing dust and dust.
Utility model content
（1）Technical problems to be solved
The volume that the utility model makes to put hearing and recording to overcome most of English teaching devices to be difficult to is diffused into often
Individual corner, hearing and recording volume are difficult to equal control, and English teaching writing is inconvenient, it is difficult to the position of regulating writing plate, no
It is convenient to the teaching of each height teacher and lacks dust guard pollution abatement equipment, the processing not in time of dust and dust easily influences Faculty and Students
Health the shortcomings that, the technical problems to be solved in the utility model is to provide a kind of English teaching dust guard.
（2）Technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a English teaching dust guard, including
Have wall, clipboard, the first sliding block, screw, the first slide rail, block, lifting device, audio amplifier and an erasing apparatus, at the top of wall before
Middle side part is provided with lifting device, and audio amplifier, the lifting device lower section left and right sides are provided with the wall of lifting device left and right ends
Wall on symmetrical expression be provided with the first slide rail, the upper and lower ends of the first slide rail are provided with block, are provided with the first slide rail
First sliding block, clipboard is connected between the first sliding block, is provided with erasing apparatus on clipboard, on the wall on the outside of the first slide rail
With thread groove is provided with the first sliding block, be provided with screw in the thread groove that the first sliding block is provided with, screw periphery is provided with outer
Screw thread, thread groove are internally provided with internal thread, and external screw thread is engaged with internal thread, and lifting device is connected with the first sliding block.
Preferably, lifting device includes directive wheel, drawstring, top plate and electronic reel, and front side middle part is set at the top of wall
It is equipped with top plate, is provided with electronic reel in the middle part of top plate, symmetrical expression is provided with guiding on the top plate at left and right sides of electronic reel
To take turns, drawstring is wound with electronic reel, the right-hand member of drawstring is connected around the directive wheel on right side with first slider top on right side,
The left end of drawstring is connected around the directive wheel in left side with first slider top in left side.
Preferably, erasing apparatus includes draw ring, wiping board, the second slide rail and the second sliding block, and up and down two on front side of clipboard
End symmetrical expression is provided with the second slide rail, and the second sliding block is provided with the second slide rail, is connected with wiping board between the second sliding block, before wiping board
Draw ring is provided with the middle part of side.
Preferably, also include dust arrester, be provided with dust arrester below clipboard, dust arrester includes dust suction
Cover, retainer ring, check valve, three-way pipe, dust suction pump, flexible pipe and dedusting cell body, clipboard lower section are provided with dedusting cell body, dedusting groove
Dust suction pump is provided with the top of body, three-way pipe is connected with above dust suction pump, check valve is provided with three-way pipe, is connected on the right side of dust suction pump
Flexible pipe is connected to, is provided with retainer ring at left and right sides of wall bottom, three-way pipe is fixed in retainer ring, at left and right sides of three-way pipe
Upper end is respectively connected with dust shield.
Preferably, also include buckle and collection frame, collection frame, collection frame and dedusting cell body are provided with below dedusting cell body
It is connected, lower end is provided with neck at left and right sides of dedusting cell body, and upper end is respectively connected with buckle, neck and card at left and right sides of collection frame
Snap fit is closed.
Preferably, drawstring is nylon rope.
Preferably, the material of screw is stainless steel.
Preferably, the material of collection frame is stainless steel.
Operation principle：When teacher is carrying out English teaching, teacher put hearing, recording etc. can by audio amplifier amplification of volume,
Be advantageous to that classroom is comprehensive to listen to, teacher can drive clipboard move up and down by starting lifting device, so as to adjust writing
The position of plate, when appropriate location is arrived in clipboard regulation, screw is tightened in thread groove by teacher, so as to which clipboard be fixed, is prevented
Only clipboard rocks, and is easy to the writing of teacher's English teaching.When teacher needs the writing on erasing writing plate, teacher passes through
Erasing apparatus is wiped the writing on clipboard, and efficiency of erasing is high and erasing is thorough, saves instructional blocks of time, meets teacher
The demand of teaching English.
Because lifting device includes directive wheel, drawstring, top plate and electronic reel, front side middle part is provided with the top of wall
Top plate, is provided with electronic reel in the middle part of top plate, and symmetrical expression is provided with directive wheel on the top plate at left and right sides of electronic reel, electricity
Drawstring is wound with dynamic reel, the right-hand member of drawstring is connected around the directive wheel on right side with first slider top on right side, drawstring
Left end be connected around the directive wheel in left side with first slider top in left side, so when teacher needs writing writing on writing
During the top of plate, teacher separates screw with thread groove, starts electronic reel and rotates clockwise, and electronic reel, which is released, to be drawn
Rope, the first sliding block moves down therewith, and when clipboard is moved down into appropriate location, teacher stops operating electronic reel,
Then tighten the screws in thread groove and fix clipboard, rotated counterclockwise conversely, teacher starts electronic reel, it is electronic around
Line wheel withdraws drawstring, and drawstring drives the first sliding block to move up, and clipboard is upward, is so easy to teachers ' teaching used in English writing, together
When also allow for being applicable the English teaching of different height teachers, the writing of teacher's English teaching is more convenient.
Because erasing apparatus includes draw ring, wiping board, the second slide rail and the second sliding block, the upper and lower ends pair on front side of clipboard
Title formula is provided with the second slide rail, and the second sliding block is provided with the second slide rail, is connected with wiping board between the second sliding block, on front side of wiping board
Middle part is provided with draw ring, so when teacher needs the writing on erasing writing plate, teacher holds draw ring and moved left and right, you can wipes
It is convenient and swift except the writing on clipboard, and efficiency of erasing is high.
Because also including dust arrester, dust arrester is provided with below clipboard, dust arrester includes dust shield, consolidated
Determine ring, check valve, three-way pipe, dust suction pump, flexible pipe and dedusting cell body, dedusting cell body, dedusting cell body top are provided with below clipboard
Portion is provided with dust suction pump, is connected with three-way pipe above dust suction pump, check valve is provided with three-way pipe, is connected with the right side of dust suction pump
Flexible pipe, the wall bottom left and right sides are provided with retainer ring, and three-way pipe is fixed in retainer ring, the upper end at left and right sides of three-way pipe
Dust shield is respectively connected with, so teacher starts the start-up operation of dust suction pump while writing of the teacher in erasing writing plate, and is beaten
Opening one-way valve, dust suction pump enter three-way pipe by dust shield draw dust and dust, are then transported to dedusting by flexible pipe again
Cell body collects, so can less dust and dust disperse space environment, to a certain extent Faculty and Students absorb dust and
Dust greatly reduces, and is advantageous to protect the physical and mental health of Faculty and Students.
Because also including buckle and collection frame, collection frame, collection frame and dedusting cell body phase are provided with below dedusting cell body
Connection, dedusting cell body left and right sides lower end are provided with neck, and upper end is respectively connected with buckle, neck and buckle at left and right sides of collection frame
Coordinate, thus so can by neck and the dust of timely processing dedusting cell body of being clasped, collection frame easy to disassemble and
Clean collection frame.
Control mode of the present utility model is automatically controlled by controller, and the control circuit of controller passes through this area
Technical staff's simple programming can be achieved, belong to the common knowledge of this area, and the utility model is mainly used to protect machine
Tool device, so the utility model is not explained control mode and connected with circuit.
（3）Beneficial effect
The utility model has reached the position for being easy to regulating writing plate and can preferably fix clipboard, is easy to be applicable not
With the writing of the English teaching of height teacher, the writing of teaching writing can be rapidly erased and wiped thoroughly, can be by player
Volume be uniformly diffused into teaching environment, clear up the dust and dust of teaching environment in time, protect the bodies and minds of Faculty and Students
The effect of health.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is the main structure diagram of the utility model lifting device.
Fig. 3 is the main structure diagram of the utility model erasing apparatus.
Fig. 4 is the first main structure diagram of the utility model dust arrester.
Fig. 5 is second of main structure diagram of the utility model dust arrester.
Fig. 6 is part main structure diagram of the present utility model.
Mark in accompanying drawing for：1- walls, 2- clipboards, 3- thread grooves, the sliding blocks of 4- first, 5- screws, the slide rails of 6- first,
7- blocks, 8- lifting devices, 81- directive wheels, 82- drawstrings, 83- top plates, the electronic reels of 84-, 9- audio amplifiers, 10- erasing apparatus,
101- draw rings, 102- wiping boards, the slide rails of 103- second, the sliding blocks of 104- second, 11- dust arresters, 111- dust shields, 112- are fixed
Ring, 113- check valves, 114- three-way pipes, 115- dust suction pumps, 116- flexible pipes, 117- dedusting cell bodies, 12- necks, 13- buckles, 14-
Collection frame.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of English teaching dust guard, as shown in figures 1 to 6, include wall 1, clipboard 2, the first sliding block 4, screw
5th, the first slide rail 6, block 7, lifting device 8, audio amplifier 9 and erasing apparatus 10, the top of wall 1 front side middle part are provided with lifting device
8, it is provided with audio amplifier 9 on the wall 1 of the left and right ends of lifting device 8, symmetrical expression on the wall 1 of the lower section of lifting device 8 left and right sides
The first slide rail 6 is provided with, the upper and lower ends of the first slide rail 6 are provided with block 7, the first sliding block 4 are provided with the first slide rail 6,
Clipboard 2 is connected between first sliding block 4, is provided with erasing apparatus 10 on clipboard 2, on the wall 1 in the outside of the first slide rail 6 and
Thread groove 3 is provided with first sliding block 4, screw 5 is provided with the thread groove 3 that the first sliding block 4 is provided with, the periphery of screw 5 is set
There is external screw thread, thread groove 3 is internally provided with internal thread, and external screw thread is engaged with internal thread, lifting device 8 and the phase of the first sliding block 4
Connection.
Embodiment 2
A kind of English teaching dust guard, as shown in figures 1 to 6, include wall 1, clipboard 2, the first sliding block 4, screw
5th, the first slide rail 6, block 7, lifting device 8, audio amplifier 9 and erasing apparatus 10, the top of wall 1 front side middle part are provided with lifting device
8, it is provided with audio amplifier 9 on the wall 1 of the left and right ends of lifting device 8, symmetrical expression on the wall 1 of the lower section of lifting device 8 left and right sides
The first slide rail 6 is provided with, the upper and lower ends of the first slide rail 6 are provided with block 7, the first sliding block 4 are provided with the first slide rail 6,
Clipboard 2 is connected between first sliding block 4, is provided with erasing apparatus 10 on clipboard 2, on the wall 1 in the outside of the first slide rail 6 and
Thread groove 3 is provided with first sliding block 4, screw 5 is provided with the thread groove 3 that the first sliding block 4 is provided with, the periphery of screw 5 is set
There is external screw thread, thread groove 3 is internally provided with internal thread, and external screw thread is engaged with internal thread, lifting device 8 and the phase of the first sliding block 4
Connection.
Lifting device 8 includes directive wheel 81, drawstring 82, top plate 83 and electronic reel 84, the top of wall 1 front side middle part
It is provided with top plate 83, the middle part of top plate 83 is provided with electronic reel 84, symmetrical on the top plate 83 of the electronic left and right sides of reel 84
Formula is provided with directive wheel 81, and drawstring 82 is wound with electronic reel 84, and the right-hand member of drawstring 82 bypasses directive wheel 81 and the right side on right side
The top of the first sliding block 4 of side is connected, and the left end of drawstring 82 bypasses the directive wheel 81 and the top phase of the first sliding block 4 in left side in left side
Connection.
Embodiment 3
A kind of English teaching dust guard, as shown in figures 1 to 6, include wall 1, clipboard 2, the first sliding block 4, screw
5th, the first slide rail 6, block 7, lifting device 8, audio amplifier 9 and erasing apparatus 10, the top of wall 1 front side middle part are provided with lifting device
8, it is provided with audio amplifier 9 on the wall 1 of the left and right ends of lifting device 8, symmetrical expression on the wall 1 of the lower section of lifting device 8 left and right sides
The first slide rail 6 is provided with, the upper and lower ends of the first slide rail 6 are provided with block 7, the first sliding block 4 are provided with the first slide rail 6,
Clipboard 2 is connected between first sliding block 4, is provided with erasing apparatus 10 on clipboard 2, on the wall 1 in the outside of the first slide rail 6 and
Thread groove 3 is provided with first sliding block 4, screw 5 is provided with the thread groove 3 that the first sliding block 4 is provided with, the periphery of screw 5 is set
There is external screw thread, thread groove 3 is internally provided with internal thread, and external screw thread is engaged with internal thread, lifting device 8 and the phase of the first sliding block 4
Connection.
Lifting device 8 includes directive wheel 81, drawstring 82, top plate 83 and electronic reel 84, the top of wall 1 front side middle part
It is provided with top plate 83, the middle part of top plate 83 is provided with electronic reel 84, symmetrical on the top plate 83 of the electronic left and right sides of reel 84
Formula is provided with directive wheel 81, and drawstring 82 is wound with electronic reel 84, and the right-hand member of drawstring 82 bypasses directive wheel 81 and the right side on right side
The top of the first sliding block 4 of side is connected, and the left end of drawstring 82 bypasses the directive wheel 81 and the top phase of the first sliding block 4 in left side in left side
Connection.
Erasing apparatus 10 includes draw ring 101, wiping board 102, the second slide rail 103 and the second sliding block 104, the front side of clipboard 2
Upper and lower ends symmetrical expression be provided with the second slide rail 103, the second sliding block 104, the second sliding block 104 are provided with the second slide rail 103
Between be connected with wiping board 102, the middle part of the front side of wiping board 102 is provided with draw ring 101.
Embodiment 4
A kind of English teaching dust guard, as shown in figures 1 to 6, include wall 1, clipboard 2, the first sliding block 4, screw
5th, the first slide rail 6, block 7, lifting device 8, audio amplifier 9 and erasing apparatus 10, the top of wall 1 front side middle part are provided with lifting device
8, it is provided with audio amplifier 9 on the wall 1 of the left and right ends of lifting device 8, symmetrical expression on the wall 1 of the lower section of lifting device 8 left and right sides
The first slide rail 6 is provided with, the upper and lower ends of the first slide rail 6 are provided with block 7, the first sliding block 4 are provided with the first slide rail 6,
Clipboard 2 is connected between first sliding block 4, is provided with erasing apparatus 10 on clipboard 2, on the wall 1 in the outside of the first slide rail 6 and
Thread groove 3 is provided with first sliding block 4, screw 5 is provided with the thread groove 3 that the first sliding block 4 is provided with, the periphery of screw 5 is set
There is external screw thread, thread groove 3 is internally provided with internal thread, and external screw thread is engaged with internal thread, lifting device 8 and the phase of the first sliding block 4
Connection.
Lifting device 8 includes directive wheel 81, drawstring 82, top plate 83 and electronic reel 84, the top of wall 1 front side middle part
It is provided with top plate 83, the middle part of top plate 83 is provided with electronic reel 84, symmetrical on the top plate 83 of the electronic left and right sides of reel 84
Formula is provided with directive wheel 81, and drawstring 82 is wound with electronic reel 84, and the right-hand member of drawstring 82 bypasses directive wheel 81 and the right side on right side
The top of the first sliding block 4 of side is connected, and the left end of drawstring 82 bypasses the directive wheel 81 and the top phase of the first sliding block 4 in left side in left side
Connection.
Erasing apparatus 10 includes draw ring 101, wiping board 102, the second slide rail 103 and the second sliding block 104, the front side of clipboard 2
Upper and lower ends symmetrical expression be provided with the second slide rail 103, the second sliding block 104, the second sliding block 104 are provided with the second slide rail 103
Between be connected with wiping board 102, the middle part of the front side of wiping board 102 is provided with draw ring 101.
Also include dust arrester 11, the lower section of clipboard 2 is provided with dust arrester 11, and dust arrester 11 includes dust shield
111st, retainer ring 112, check valve 113, three-way pipe 114, dust suction pump 115, flexible pipe 116 and dedusting cell body 117, the lower section of clipboard 2
Dedusting cell body 117 is provided with, the top of dedusting cell body 117 is provided with dust suction pump 115, and the top of dust suction pump 115 is connected with three-way pipe
114, it is provided with check valve 113 on three-way pipe 114, the right side of dust suction pump 115 is connected with flexible pipe 116, at left and right sides of the bottom of wall 1
Retainer ring 112 is provided with, three-way pipe 114 is fixed in retainer ring 112, and the upper end of the left and right sides of three-way pipe 114 is respectively connected with
Dust shield 111.
Also include buckle 13 and collection frame 14, the lower section of dedusting cell body 117 is provided with collection frame 14, collection frame 14 and dedusting
Cell body 117 is connected, and the left and right sides lower end of dedusting cell body 117 is provided with neck 12, and the left and right sides upper end of collection frame 14 is all connected with
There is buckle 13, neck 12 coordinates with buckle 13.
Drawstring 82 is nylon rope.
The material of screw 5 is stainless steel.
The material of collection frame 14 is stainless steel.
Operation principle：When teacher is carrying out English teaching, teacher put hearing, recording etc. can by the amplification of volume of audio amplifier 9,
Be advantageous to that classroom is comprehensive to listen to, teacher can drive clipboard 2 move up and down by starting lifting device 8, so as to adjust book
Write the position of plate 2, when appropriate location arrive in the regulation of clipboard 2, screw 5 is tightened in thread groove 3 by teacher, so that by clipboard 2
It is fixed, rocking for clipboard 2 is prevented, is easy to the writing of teacher's English teaching.When teacher needs the writing on erasing writing plate 2
When, teacher is wiped the writing on clipboard 2 by erasing apparatus 10, and efficiency of erasing is high and erasing is thorough, saves religion
Between class hour, meets the needs of teachers ' teaching English.
Because lifting device 8 includes directive wheel 81, drawstring 82, top plate 83 and electronic reel 84, the top of wall 1 front side
Middle part is provided with top plate 83, and the middle part of top plate 83 is provided with electronic reel 84, on the top plate 83 of the electronic left and right sides of reel 84
Symmetrical expression is provided with directive wheel 81, and drawstring 82 is wound with electronic reel 84, and the right-hand member of drawstring 82 bypasses the directive wheel 81 on right side
It is connected with the top of the first sliding block 4 on right side, the left end of drawstring 82 pushes up around the directive wheel 81 and first sliding block 4 in left side in left side
Portion is connected, so when teacher needs writing writing on the top of clipboard 2, teacher separates screw 5 with thread groove 3, opens
Move electronic reel 84 to rotate clockwise, electronic reel 84 releases drawstring 82, and the first sliding block 4 moves down therewith, clipboard 2
When being moved down into appropriate location, teacher stops operating electronic reel 84, and then screw 5 is tightened onto in thread groove 3 will
Clipboard 2 is fixed, and is rotated counterclockwise conversely, teacher starts electronic reel 84, electronic reel 84 withdraws drawstring 82, drawstring 82
The first sliding block 4 is driven to move up, clipboard 2 is upward, is so easy to teachers ' teaching used in English writing, while also allows for being applicable difference
The English teaching of height teacher, the writing of teacher's English teaching are more convenient.
Because erasing apparatus 10 includes draw ring 101, wiping board 102, the second slide rail 103 and the second sliding block 104, clipboard 2
The upper and lower ends symmetrical expression of front side is provided with the second slide rail 103, and the second sliding block 104, the second sliding block are provided with the second slide rail 103
Wiping board 102 is connected between 104, the middle part of the front side of wiping board 102 is provided with draw ring 101, so when teacher needs erasing writing plate 2
On writing when, teacher hold draw ring 101 move left and right, you can the writing on erasing writing plate 2, it is convenient and swift, and wipe effect
Rate is high.
Because also including dust arrester 11, the lower section of clipboard 2 is provided with dust arrester 11, and dust arrester 11 includes suction
Dust hood 111, retainer ring 112, check valve 113, three-way pipe 114, dust suction pump 115, flexible pipe 116 and dedusting cell body 117, clipboard 2
Lower section is provided with dedusting cell body 117, and the top of dedusting cell body 117 is provided with dust suction pump 115, and the top of dust suction pump 115 is connected with threeway
Pipe 114, check valve 113 is provided with three-way pipe 114, the right side of dust suction pump 115 is connected with flexible pipe 116, the bottom of wall 1 or so two
Side is provided with retainer ring 112, and three-way pipe 114 is fixed in retainer ring 112, and the upper end of the left and right sides of three-way pipe 114 is all connected with
There is dust shield 111, so teacher's startup dust suction pump 115 is started working while writing of the teacher in erasing writing plate 2, and beat
Opening one-way valve 113, dust suction pump 115 enters three-way pipe 114 by the draw dust of dust shield 111 and dust, then again by soft
Pipe 116 is transported to dedusting cell body 117 and collected, so can less dust and dust disperse space environment, religion to a certain extent
Teacher and student absorb dust and dust greatly reduces, and is advantageous to protect the physical and mental health of Faculty and Students.
Because also including buckle 13 and collection frame 14, the lower section of dedusting cell body 117 is provided with collection frame 14, collection frame 14 with
Dedusting cell body 117 is connected, and the left and right sides lower end of dedusting cell body 117 is provided with neck 12, and the left and right sides upper end of collection frame 14 is equal
Buckle 13 is connected with, neck 12 coordinates with buckle 13, so so by neck 12 and buckle 13 timely processing can be coordinated to remove
The dust of dirt cell body 117, collection frame 14 easy to disassemble and cleaning collection frame 14.
Control mode of the present utility model is automatically controlled by controller, and the control circuit of controller passes through this area
Technical staff's simple programming can be achieved, belong to the common knowledge of this area, and the utility model is mainly used to protect machine
Tool device, so the utility model is not explained control mode and connected with circuit.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of English teaching dust guard, it is characterised in that include wall（1）, clipboard（2）, the first sliding block（4）、
Screw（5）, the first slide rail（6）, block（7）, lifting device（8）, audio amplifier（9）And erasing apparatus（10）, wall（1）On front side of top
Middle part is provided with lifting device（8）, lifting device（8）The wall of left and right ends（1）On be provided with audio amplifier（9）, lifting device（8）
Wall at left and right sides of lower section（1）Upper symmetrical expression is provided with the first slide rail（6）, the first slide rail（6）Upper and lower ends be provided with
Block（7）, the first slide rail（6）On be provided with the first sliding block（4）, the first sliding block（4）Between be connected with clipboard（2）, clipboard
（2）On be provided with erasing apparatus（10）, the first slide rail（6）The wall in outside（1）Upper and the first sliding block（4）On be provided with screw thread
Groove（3）, the first sliding block（4）The thread groove being provided with（3）Inside it is provided with screw（5）, screw（5）Periphery is provided with external screw thread, screw thread
Groove（3）Internal thread is internally provided with, external screw thread is engaged with internal thread, lifting device（8）With the first sliding block（4）It is connected.
A kind of 2. English teaching dust guard according to claim 1, it is characterised in that lifting device（8）Include
Directive wheel（81）, drawstring（82）, top plate（83）With electronic reel（84）, wall（1）Middle part is provided with top plate on front side of top
（83）, top plate（83）Middle part is provided with electronic reel（84）, electronic reel（84）The top plate of the left and right sides（83）It is upper symmetrical
Formula is provided with directive wheel（81）, electronic reel（84）On be wound with drawstring（82）, drawstring（82）Right-hand member bypass right side guiding
Wheel（81）With first sliding block on right side（4）Top is connected, drawstring（82）Left end bypass left side directive wheel（81）With left side
The first sliding block（4）Top is connected.
A kind of 3. English teaching dust guard according to claim 2, it is characterised in that erasing apparatus（10）Include
Draw ring（101）, wiping board（102）, the second slide rail（103）With the second sliding block（104）, clipboard（2）The upper and lower ends of front side are symmetrical
Formula is provided with the second slide rail（103）, the second slide rail（103）On be provided with the second sliding block（104）, the second sliding block（104）Between connect
It is connected to wiping board（102）, wiping board（102）Draw ring is provided with the middle part of front side（101）.
4. a kind of English teaching dust guard according to claim 3, it is characterised in that also include dust arrester
（11）, clipboard（2）Lower section is provided with dust arrester（11）, dust arrester（11）Include dust shield（111）, retainer ring
（112）, check valve（113）, three-way pipe（114）, dust suction pump（115）, flexible pipe（116）With dedusting cell body（117）, clipboard（2）
Lower section is provided with dedusting cell body（117）, dedusting cell body（117）Top is provided with dust suction pump（115）, dust suction pump（115）Top connects
It is connected to three-way pipe（114）, three-way pipe（114）On be provided with check valve（113）, dust suction pump（115）Right side be connected with flexible pipe
（116）, wall（1）Retainer ring is provided with left and right sides of bottom（112）, three-way pipe（114）It is fixed on retainer ring（112）On,
Three-way pipe（114）The upper end of the left and right sides is respectively connected with dust shield（111）.
5. a kind of English teaching dust guard according to claim 4, it is characterised in that also include buckle（13）With
Collection frame（14）, dedusting cell body（117）Lower section is provided with collection frame（14）, collection frame（14）With dedusting cell body（117）It is connected,
Dedusting cell body（117）Left and right sides lower end is provided with neck（12）, collection frame（14）Left and right sides upper end is respectively connected with buckle
（13）, neck（12）With buckle（13）Coordinate.
A kind of 6. English teaching dust guard according to claim 5, it is characterised in that drawstring（82）For nylon rope.
A kind of 7. English teaching dust guard according to claim 6, it is characterised in that screw（5）Material for not
Become rusty steel.
A kind of 8. English teaching dust guard according to claim 7, it is characterised in that collection frame（14）Material be
Stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439325.9U CN206907247U (en) | 2017-04-25 | 2017-04-25 | A kind of English teaching dust guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439325.9U CN206907247U (en) | 2017-04-25 | 2017-04-25 | A kind of English teaching dust guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907247U true CN206907247U (en) | 2018-01-19 |
Family
ID=61291283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439325.9U Expired - Fee Related CN206907247U (en) | 2017-04-25 | 2017-04-25 | A kind of English teaching dust guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737287A (en) * | 2019-02-26 | 2019-05-10 | 烟台工程职业技术学院(烟台市技师学院) | A kind of marketing training and teaching portable projection device |
| CN110150922A (en) * | 2018-02-09 | 2019-08-23 | 南阳理工学院 | One kind being used for economic displaying device |
-
2017
- 2017-04-25 CN CN201720439325.9U patent/CN206907247U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150922A (en) * | 2018-02-09 | 2019-08-23 | 南阳理工学院 | One kind being used for economic displaying device |
| CN109737287A (en) * | 2019-02-26 | 2019-05-10 | 烟台工程职业技术学院(烟台市技师学院) | A kind of marketing training and teaching portable projection device |
| CN109737287B (en) * | 2019-02-26 | 2020-10-23 | 烟台工程职业技术学院(烟台市技师学院) | Portable projection arrangement of marketing training teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206186615U (en) | Teaching dedicated's convenient to use's intelligent blackboard | |
| CN206651544U (en) | A kind of junior school student's Practical desk | |
| CN206907247U (en) | A kind of English teaching dust guard | |
| CN204820786U (en) | Remove english teaching blackboard | |
| CN205947437U (en) | Liftable podium is used in french teaching | |
| CN208589158U (en) | A kind of English word teaching explanation displaying device | |
| CN206259076U (en) | Mathematical Modeling demonstration teaching aid | |
| CN206249854U (en) | A kind of Chinese literature teaching demonstration device | |
| CN210488848U (en) | Middle school english teaching is with expanding interactive teaching board | |
| CN205997609U (en) | A kind of blackboard of infrared induction automatic lifting dust suction | |
| CN108001083A (en) | A kind of detachable spliced blackboard of English education | |
| CN204526521U (en) | A kind of portable Political Teaching blackboard | |
| CN206541530U (en) | Urban planning shows service platform device | |
| CN210925106U (en) | English teaching board | |
| CN204440729U (en) | Art teaching sample display device | |
| CN208538338U (en) | A kind of English teaching displaying device | |
| CN209993177U (en) | English teaching is with short language memory device of writing without memory | |
| CN208137518U (en) | Political Teaching dais with sound-recording function and record playback function | |
| CN204596250U (en) | English teaching model display device | |
| CN216885971U (en) | Portable adjustable teaching aid for foreign language teaching | |
| CN207106010U (en) | A kind of Novel art teaching easel | |
| CN208593205U (en) | A kind of information technology teaching tool | |
| CN206605959U (en) | A kind of blackboard with dust catching device | |
| CN211892641U (en) | Automatic blackboard of wiping in optional region | |
| CN207045010U (en) | It is a kind of electronic from cleaning dust-free blackboard wiping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180425 |