CN207190605U - A kind of English special blackboard device - Google Patents
A kind of English special blackboard device Download PDFInfo
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- CN207190605U CN207190605U CN201720439842.6U CN201720439842U CN207190605U CN 207190605 U CN207190605 U CN 207190605U CN 201720439842 U CN201720439842 U CN 201720439842U CN 207190605 U CN207190605 U CN 207190605U
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Abstract
It the utility model is related to a kind of blackboard device, more particularly to a kind of English special blackboard device.The technical problems to be solved in the utility model is to provide a kind of English special blackboard device.In order to solve the above-mentioned technical problem, the utility model provides such a English special blackboard device, includes bottom plate, lowering or hoisting gear, special blackboard, mobile device and blackboard eraser etc.；The left and right sides is arranged with lowering or hoisting gear at the top of bottom plate, and top is provided with special blackboard between the lowering or hoisting gear of the side of left and right two, and special blackboard front upper is provided with mobile device, and mobile device bottom is provided with blackboard eraser.The utility model has reached the four line lattice drawn and have standard criterion, can adjust the effect of height as needed, when blackboard eraser is wiping special blackboard, a large amount of chalk dusts easily be fallen, in order to not allow chalk dust to fly upward everywhere.
Description
Technical field
It the utility model is related to a kind of blackboard device, more particularly to a kind of English special blackboard device.
Background technology
The source of English letter and its with the homology English letter of Chinese character sound meaning originating from pictograph, face or side view, be
The simplification figure of visual results, it by A to Z sequence is formulated, its pronunciation and Chinese character according to importance or discovery order
Pronunciation has homology, is all the few part for the universe sound that the mankind can use.
Blackboard is not to refer in particular to the plate face of black, said in traditional sense it be one can be hard with the plane of repeated writing, plate face
Firmly, it is used for imparting knowledge to students, made of plank or ground glass etc., can be write with the specific writing material such as chalk above,
Mostly black, blackish green, white or ecru.
In order to allow student preferably to study English, teacher should pay attention to the writing of English letter when carrying out English teaching,
English letter should be written in four line lattice of standard, and the English teaching of currently the majority is all lack of standardization in the presence of writing, without tight
Lattice are written in four line lattice so that student easily ignores the normalized written of English letter when studying English, therefore needs badly and grind
Send out a kind of and draw the four line lattice for having standard criterion, the English special blackboard device of height can be adjusted as needed.
Utility model content
（1）Technical problems to be solved
The utility model is in order to overcome the English teaching of currently the majority lack of standardization all in the presence of writing, without strict writing
In four line lattice so that student is when studying English, and the shortcomings that easily ignoring the normalized written of English letter, the utility model will
The technical problem of solution is to provide a kind of English special blackboard device.
（2）Technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a English special blackboard device, includes
Bottom plate, lowering or hoisting gear, special blackboard, mobile device and blackboard eraser, the bottom plate top left and right sides are arranged with lowering or hoisting gear, left and right
Top is provided with special blackboard between the lowering or hoisting gear of two sides, and special blackboard front upper is provided with mobile device, mobile device bottom
Provided with blackboard eraser.
Preferably, lowering or hoisting gear include first support, small pole, electronic reel, slide rail, top shoe, sliding block and
Drawstring, the bottom plate top left and right sides are arranged with first support, and left first support right side and right first support left side are symmetrically
Groove is provided with, both sides and right groove inner right wall are arranged with small pole, left in both sides to left groove inner left wall up and down up and down
The small pole left end of small pole right-hand member and right is arranged with electronic reel, left groove inner left wall and right groove inner right wall pair
Title is provided with slide rail, and slide rail is located between the small pole of both up and down, and slide rail is provided with top shoe and sliding block, on electronic reel
Drawstring is wound with, drawstring is connected with top shoe and sliding block, right with being connected on the left of special blackboard on the right side of left top shoe and sliding block
With being connected on the right side of special blackboard on the left of square top shoe and sliding block.
Preferably, mobile device includes second support, left shaft holder, right axle bearing, the first motor, screw mandrel and nut,
Special blackboard front upper is provided with second support, second support bottom be sequentially provided with from left to right left shaft holder, right axle bearing and
Screw mandrel is installed, screw mandrel right-hand member is connected with the first motor left end, and screw mandrel is provided with the first motor, left shaft holder and right axle bearing
Nut, screw mandrel coordinate with nut, and nut bottom at the top of blackboard eraser with being connected.
Preferably, first bearing seat, the second motor, rotating shaft, connecting plate, dust collecting box and swash plate, special blackboard are also included
First bearing seat and the second motor are provided among bottom, first bearing seat is located at the second motor left, installed in first bearing seat
There is rotating shaft, rotating shaft right-hand member is connected with the second motor left end, and rotating shaft bottom is provided with connecting plate, and connecting plate bottom is provided with dust collecting box, collection
Ash bin inner bottom part is provided with swash plate.
Preferably, big pole, upper cylinder and lower cylinder are also included, nut bottom front is provided with big pole, after big pole
Portion is provided with upper cylinder and lower cylinder, and upper cylinder is located above lower cylinder, and upper cylinder and lower cylinder rear end are connected with blackboard eraser front portion.
Preferably, special blackboard front portion is painted with English with four line lattice.
Preferably, the material of big pole is stainless steel.
Preferably, the material of bottom plate is Q235 steel.
Operation principle：Preferably studied English in order to facilitate student, so needing English letter filling in specific four
In line lattice so that students are studied English more standard criterion, and teacher is placed the device in front of classroom, and teacher can pass through liter
Falling unit adjusts the height of special blackboard, to adapt to the height of sighting line of students, when carrying out English teaching, when teacher needs to wipe
During blackboard, teacher can drive blackboard eraser to move left and right and wipe clean special blackboard by mobile device.
Because lowering or hoisting gear includes first support, groove, small pole, electronic reel, slide rail, top shoe, sliding block
And drawstring, the bottom plate top left and right sides are arranged with first support, left first support right side and right first support left side are right
Title is provided with groove, and both sides and right groove inner right wall are arranged with small pole in both sides to left groove inner left wall up and down up and down, left
The small pole right-hand member in side and the small pole left end in right are arranged with electronic reel, left groove inner left wall and right groove inner right wall
Slide rail is arranged with, slide rail is located between the small pole of both up and down, and slide rail is provided with top shoe and sliding block, electronic reel
On be wound with drawstring, drawstring is connected with top shoe and sliding block, is connected on the right side of left top shoe and sliding block with special blackboard left side,
With being connected on the right side of special blackboard on the left of right top shoe and sliding block, so when teacher needs to use lowering or hoisting gear, Jiao Shike
Started working with starting electronic reel, when top, electronic reel reels rope, when the electronic reel in lower section puts drawstring, top shoe
Moved up therewith with sliding block so that special blackboard moves up therewith, and when top, electronic reel puts drawstring, and lower section is electronic
When reel reels rope, top shoe and sliding block move down therewith so that special blackboard moves down therewith, so that religion
Teacher can very easily adjust the height of special blackboard.
Because mobile device includes second support, left shaft holder, right axle bearing, the first motor, screw mandrel and nut, special
Blackboard front upper is provided with second support, and second support bottom is sequentially provided with left shaft holder, right axle bearing and first from left to right
Screw mandrel is installed, screw mandrel right-hand member is connected with the first motor left end, and screw mandrel is provided with spiral shell in motor, left shaft holder and right axle bearing
Mother, screw mandrel coordinate with nut, and nut bottom, so when teacher needs to move left and right blackboard eraser, is taught with being connected at the top of blackboard eraser
The motors of Shi Qidong first are rotated, and when the first motor drives screw mandrel rotates forward, nut is moved to the left therewith, when the first motor driven silk
When bar inverts, nut moves right therewith so that the blackboard eraser moved left and right can wipe clean special blackboard, then when
When blackboard eraser is moved to special blackboard left end or right-hand member, teacher closes the first motor, and blackboard eraser will not block teacher and exist
Teached English in special blackboard.
Because also include first bearing seat, the second motor, rotating shaft, connecting plate, dust collecting box and swash plate, special blackboard bottom
Centre is provided with first bearing seat and the second motor, and first bearing seat is located at the second motor left, is provided with and turns in first bearing seat
Axle, rotating shaft right-hand member are connected with the second motor left end, and rotating shaft bottom is provided with connecting plate, and connecting plate bottom is provided with dust collecting box, dust collecting box
Inner bottom part is provided with swash plate, so when blackboard eraser is wiping special blackboard, easily falls a large amount of chalk dusts, in order to not allow chalk dust
Fly upward everywhere, chalk dust can be fallen into dust collecting box, and after the chalk dust in dust collecting box reaches certain amount, teacher starts the
Two motor driven rotating shaft positive directions rotate so that dust collecting box front portion tilts down, because dust collecting box inner bottom part is provided with swash plate, swash plate
Chalk dust can be caused to be gathered in front of dust collecting box inner bottom part, be thus easy to teacher that the chalk dust in dust collecting box is disposably clear
Remove, after teacher cleans out the chalk dust in dust collecting box, teacher starts the second motor driven rotating shaft opposite direction and rotated, and makes
Dust collecting box concomitant rotation is obtained to reset.
Because also including big pole, upper cylinder and lower cylinder, nut bottom front is provided with big pole, and big pole rear portion is set
There are upper cylinder and lower cylinder, upper cylinder is located above lower cylinder, and upper cylinder and lower cylinder rear end are connected with blackboard eraser front portion, so
People can start upper cylinder and lower cylinder elongation so that blackboard eraser contacts even closer with special blackboard, is thus easy to black
Blackboard eraser special blackboard is wiped it is more clean, when teacher need not use blackboard eraser, people's startup upper cylinder and lower cylinder
Shorten and reset.
In order to clearly demonstrate the operation principle of the present apparatus, do not have the guiding dress of picture feed screw nut in Figure of description
Put（The guider of feed screw nut is generally sliding-rail sliding either linear guides）, in the real work of the present apparatus, screw mandrel
The guider of nut is to must have, and otherwise screw mandrel rotates, and nut also can be rotated and then, and the guider of feed screw nut is just
It is to follow screw mandrel to rotate for limiting nut, forces axial movement of the nut along screw mandrel, because the technical staff of mechanical field
See when having feed screw nut's device, just necessarily know in the actual fabrication present apparatus, add the guider of upper screw rod nut, add
Add the guider of feed screw nut not need mechanical field personnel to pay performing creative labour to can be achieved, hereby illustrate.
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 four line lattice drawn and have standard criterion, can adjust the effect of height as needed, when
Blackboard eraser easily falls a large amount of chalk dusts when wiping special blackboard, and in order to not allow chalk dust to fly upward everywhere, chalk dust can fall
Enter in dust collecting box, teacher can adjust the height of special blackboard by lowering or hoisting gear, to adapt to the height of sighting line of students.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is the main structure diagram of the utility model lowering or hoisting gear.
Fig. 3 is the main structure diagram of the utility model mobile device.
Fig. 4 is the first part main structure diagram of the present utility model.
Fig. 5 is second of part of the present utility model main structure diagram.
Mark in accompanying drawing for：1- bottom plates, 2- lowering or hoisting gears, 20- first supports, 21- grooves, the small poles of 22-, 23- electricity
Dynamic reel, 24- slide rails, 25- top shoes, 26- sliding blocks, 27- drawstrings, 3- special blackboards, 4- mobile devices, 40- second
Frame, 41- left shaft holders, 42- right axle bearings, the motors of 43- first, 44- screw mandrels, 45- nuts, 5- blackboard erasers, 6- first bearing seats,
The motors of 7- second, 8- rotating shafts, 9- connecting plates, 10- dust collecting boxes, 11- swash plates, the big poles of 12-, 13- upper cylinders, 14- lower cylinders.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of English special blackboard device, as Figure 1-5, include bottom plate 1, lowering or hoisting gear 2, special blackboard 3, movement
Device 4 and blackboard eraser 5, the top of bottom plate 1 left and right sides are arranged with lowering or hoisting gear 2, top between the lowering or hoisting gear 2 of the side of left and right two
Provided with special blackboard 3, the front upper of special blackboard 3 is provided with mobile device 4, and the bottom of mobile device 4 is provided with blackboard eraser 5.
Embodiment 2
A kind of English special blackboard device, as Figure 1-5, include bottom plate 1, lowering or hoisting gear 2, special blackboard 3, movement
Device 4 and blackboard eraser 5, the top of bottom plate 1 left and right sides are arranged with lowering or hoisting gear 2, top between the lowering or hoisting gear 2 of the side of left and right two
Provided with special blackboard 3, the front upper of special blackboard 3 is provided with mobile device 4, and the bottom of mobile device 4 is provided with blackboard eraser 5.
Lowering or hoisting gear 2 includes first support 20, small pole 22, electronic reel 23, slide rail 24, top shoe 25, downslide
Block 26 and drawstring 27, the top of bottom plate 1 left and right sides are arranged with first support 20, the right side of left first support 20 and right first
The left side of support 20 is symmetrical to be provided with groove 21, and both sides are equal up and down for both sides and the inner right wall of right groove 21 up and down for the inner left wall of left groove 21
Small pole 22 is arranged with, the small left end of pole 22 of the small right-hand member of pole 22 in left and right is arranged with electronic reel 23, left
The inner left wall of groove 21 and the inner right wall of right groove 21 are arranged with slide rail 24, slide rail 24 be located at both up and down small pole 22 it
Between, slide rail 24 is provided with top shoe 25 and sliding block 26, is wound with drawstring 27 on electronic reel 23, drawstring 27 and top shoe 25 and
Sliding block 26 is connected, and left top shoe 25 and the right side of sliding block 26 are connected with the left side of special blackboard 3, right top shoe 25 and downslide
The left side of block 26 is connected with the right side of special blackboard 3.
Embodiment 3
A kind of English special blackboard device, as Figure 1-5, include bottom plate 1, lowering or hoisting gear 2, special blackboard 3, movement
Device 4 and blackboard eraser 5, the top of bottom plate 1 left and right sides are arranged with lowering or hoisting gear 2, top between the lowering or hoisting gear 2 of the side of left and right two
Provided with special blackboard 3, the front upper of special blackboard 3 is provided with mobile device 4, and the bottom of mobile device 4 is provided with blackboard eraser 5.
Lowering or hoisting gear 2 includes first support 20, small pole 22, electronic reel 23, slide rail 24, top shoe 25, downslide
Block 26 and drawstring 27, the top of bottom plate 1 left and right sides are arranged with first support 20, the right side of left first support 20 and right first
The left side of support 20 is symmetrical to be provided with groove 21, and both sides are equal up and down for both sides and the inner right wall of right groove 21 up and down for the inner left wall of left groove 21
Small pole 22 is arranged with, the small left end of pole 22 of the small right-hand member of pole 22 in left and right is arranged with electronic reel 23, left
The inner left wall of groove 21 and the inner right wall of right groove 21 are arranged with slide rail 24, slide rail 24 be located at both up and down small pole 22 it
Between, slide rail 24 is provided with top shoe 25 and sliding block 26, is wound with drawstring 27 on electronic reel 23, drawstring 27 and top shoe 25 and
Sliding block 26 is connected, and left top shoe 25 and the right side of sliding block 26 are connected with the left side of special blackboard 3, right top shoe 25 and downslide
The left side of block 26 is connected with the right side of special blackboard 3.
Mobile device 4 includes second support 40, left shaft holder 41, right axle bearing 42, the first motor 43, screw mandrel 44 and spiral shell
Mother 45, the front upper of special blackboard 3 is provided with second support 40, and the bottom of second support 40 is sequentially provided with left shaft holder from left to right
Screw mandrel 44, the right-hand member of screw mandrel 44 and are installed in the 41, motor 43 of right axle bearing 42 and first, left shaft holder 41 and right axle bearing 42
The left end of one motor 43 connects, and screw mandrel 44 is provided with nut 45, and screw mandrel 44 coordinates with nut 45, and the bottom of nut 45 is pushed up with blackboard eraser 5
Portion connects.
Embodiment 4
A kind of English special blackboard device, as Figure 1-5, include bottom plate 1, lowering or hoisting gear 2, special blackboard 3, movement
Device 4 and blackboard eraser 5, the top of bottom plate 1 left and right sides are arranged with lowering or hoisting gear 2, top between the lowering or hoisting gear 2 of the side of left and right two
Provided with special blackboard 3, the front upper of special blackboard 3 is provided with mobile device 4, and the bottom of mobile device 4 is provided with blackboard eraser 5.
Lowering or hoisting gear 2 includes first support 20, small pole 22, electronic reel 23, slide rail 24, top shoe 25, downslide
Block 26 and drawstring 27, the top of bottom plate 1 left and right sides are arranged with first support 20, the right side of left first support 20 and right first
The left side of support 20 is symmetrical to be provided with groove 21, and both sides are equal up and down for both sides and the inner right wall of right groove 21 up and down for the inner left wall of left groove 21
Small pole 22 is arranged with, the small left end of pole 22 of the small right-hand member of pole 22 in left and right is arranged with electronic reel 23, left
The inner left wall of groove 21 and the inner right wall of right groove 21 are arranged with slide rail 24, slide rail 24 be located at both up and down small pole 22 it
Between, slide rail 24 is provided with top shoe 25 and sliding block 26, is wound with drawstring 27 on electronic reel 23, drawstring 27 and top shoe 25 and
Sliding block 26 is connected, and left top shoe 25 and the right side of sliding block 26 are connected with the left side of special blackboard 3, right top shoe 25 and downslide
The left side of block 26 is connected with the right side of special blackboard 3.
Mobile device 4 includes second support 40, left shaft holder 41, right axle bearing 42, the first motor 43, screw mandrel 44 and spiral shell
Mother 45, the front upper of special blackboard 3 is provided with second support 40, and the bottom of second support 40 is sequentially provided with left shaft holder from left to right
Screw mandrel 44, the right-hand member of screw mandrel 44 and are installed in the 41, motor 43 of right axle bearing 42 and first, left shaft holder 41 and right axle bearing 42
The left end of one motor 43 connects, and screw mandrel 44 is provided with nut 45, and screw mandrel 44 coordinates with nut 45, and the bottom of nut 45 is pushed up with blackboard eraser 5
Portion connects.
Also include first bearing seat 6, the second motor 7, rotating shaft 8, connecting plate 9, dust collecting box 10 and swash plate 11, special blackboard
The motor 7 of first bearing seat 6 and second is provided among 3 bottoms, first bearing seat 6 is located at the left of the second motor 7, first bearing seat 6
On rotating shaft 8 is installed, the right-hand member of rotating shaft 8 is connected with the left end of the second motor 7, and the bottom of rotating shaft 8 is provided with connecting plate 9, and the bottom of connecting plate 9 is set
There is dust collecting box 10, the inner bottom part of dust collecting box 10 is provided with swash plate 11.
Also include big pole 12, upper cylinder 13 and lower cylinder 14, the bottom front of nut 45 is provided with big pole 12, big pole
12 rear portions are provided with upper cylinder 13 and lower cylinder 14, and upper cylinder 13 is located at the top of lower cylinder 14, upper cylinder 13 and the rear end of lower cylinder 14
It is connected with the front portion of blackboard eraser 5.
The front portion of special blackboard 3 is painted with English with four line lattice.
The material of big pole 12 is stainless steel.
The material of bottom plate 1 is Q235 steel.
Operation principle：Preferably studied English in order to facilitate student, so needing English letter filling in specific four
In line lattice so that students are studied English more standard criterion, and teacher is placed the device in front of classroom, and teacher can pass through liter
Falling unit 2 adjusts the height of special blackboard 3, to adapt to the height of sighting line of students, when carrying out English teaching, when teacher needs
When erasing the board, teacher can drive blackboard eraser 5 to move left and right and wipe clean special blackboard 3 by mobile device 4.
Because lowering or hoisting gear 2 include first support 20, groove 21, small pole 22, electronic reel 23, slide rail 24, on
Sliding block 25, sliding block 26 and drawstring 27, the top of bottom plate 1 left and right sides are arranged with first support 20, and left first support 20 is right
The side and left side of right first support 20 is symmetrical is provided with groove 21, the inner left wall of left groove 21 are right in both sides and right groove 21 up and down
Wall is arranged with small pole 22 in both sides up and down, the small left end of pole 22 of the small right-hand member of pole 22 in left and right be arranged with it is electronic around
Line wheel 23, the inner left wall of left groove 21 and the inner right wall of right groove 21 are arranged with slide rail 24, and slide rail 24 is located at both up and down
Between small pole 22, slide rail 24 is provided with top shoe 25 and sliding block 26, is wound with drawstring 27 on electronic reel 23, drawstring 27 with
Top shoe 25 and sliding block 26 are connected, and left top shoe 25 and the right side of sliding block 26 are connected with the left side of special blackboard 3, sliding on right
Block 25 and the left side of sliding block 26 on the right side of special blackboard 3 with being connected, so when teacher needs to use lowering or hoisting gear 2, teacher can be with
Start electronic reel 23 to start working, when top, electronic reel 23 reels rope 27, and the electronic reel 23 in lower section puts drawstring 27
When, top shoe 25 and sliding block 26 move up therewith so that special blackboard 3 moves up therewith, when the electronic reel in top
23 put drawstring 27, and when the electronic reel 23 in lower section reels rope 27, top shoe 25 and sliding block 26 move down therewith so that special
Blackboard 3 moves down therewith, so that teacher can very easily adjust the height of special blackboard 3.
Because mobile device 4 includes second support 40, left shaft holder 41, right axle bearing 42, the first motor 43, screw mandrel 44
With nut 45, the front upper of special blackboard 3 is provided with second support 40, and the bottom of second support 40 is sequentially provided with left bearing from left to right
Seat 41, the motor 43 of right axle bearing 42 and first, are provided with screw mandrel 44 on left shaft holder 41 and right axle bearing 42, the right-hand member of screw mandrel 44 with
The left end of first motor 43 connects, and screw mandrel 44 is provided with nut 45, and screw mandrel 44 coordinates with nut 45, the bottom of nut 45 and blackboard eraser 5
Top connects, so when teacher needs to move left and right blackboard eraser 5, teacher starts the first motor 43 and rotated, when the first motor 43
Drive screw mandrel 44 rotate forward when, nut 45 is moved to the left therewith, when the first motor 43 drive screw mandrel 44 invert when, nut 45 therewith to
Move right so that the blackboard eraser 5 moved left and right can wipe clean special blackboard 3, then when blackboard eraser 5 be moved to it is special
When the left end of blackboard 3 or right-hand member, teacher closes the first motor 43, and blackboard eraser 5 will not block teacher and be taught in special blackboard 3
Award English.
It is special because also including first bearing seat 6, the second motor 7, rotating shaft 8, connecting plate 9, dust collecting box 10 and swash plate 11
The motor 7 of first bearing seat 6 and second is provided among the bottom of blackboard 3, first bearing seat 6 is located at the left of the second motor 7, clutch shaft bearing
Rotating shaft 8 is installed on seat 6, the right-hand member of rotating shaft 8 is connected with the left end of the second motor 7, and the bottom of rotating shaft 8 is provided with connecting plate 9, the bottom of connecting plate 9
Portion is provided with dust collecting box 10, and the inner bottom part of dust collecting box 10 is provided with swash plate 11, so when blackboard eraser 5 is wiping special blackboard 3, easily falls
A large amount of chalk dusts down, in order to not allow chalk dust to fly upward everywhere, chalk dust can be fallen into dust collecting box 10, the powder in dust collecting box 10
After ash reaches certain amount, teacher starts the second motor 7 and drives the positive direction of rotating shaft 8 to rotate so that dust collecting box 10 it is anterior to
Lower inclination, because the inner bottom part of dust collecting box 10 is provided with swash plate 11, swash plate 11 can cause chalk dust to be gathered in the inner bottom part of dust collecting box 10
Front, thus it is easy to teacher disposably to remove the chalk dust in dust collecting box 10, when teacher is clear by the chalk dust in dust collecting box 10
After reason is clean, teacher starts the second motor 7 and drives the opposite direction of rotating shaft 8 to rotate so that the concomitant rotation of dust collecting box 10 resets.
Because also including big pole 12, upper cylinder 13 and lower cylinder 14, the bottom front of nut 45 is provided with big pole 12, greatly
The rear portion of pole 12 is provided with upper cylinder 13 and lower cylinder 14, and upper cylinder 13 is located at the top of lower cylinder 14, upper cylinder 13 and lower cylinder 14
Rear end and blackboard eraser 5 are anterior be connected, so people can start upper cylinder 13 and lower cylinder 14 extends so that blackboard eraser 5 with it is special
Contacted with blackboard 3 even closer, be thus easy to blackboard eraser 5 to wipe special blackboard 3 more clean, when teacher need not make
During with blackboard eraser 5, people start upper cylinder 13 and lower cylinder 14 shortens reset.
In order to clearly demonstrate the operation principle of the present apparatus, do not have leading for the nut 45 of picture screw mandrel 44 in Figure of description
To device（The guider of the nut 45 of screw mandrel 44 is generally the sliding block of slide rail 24 either linear guides）, in the actual work of the present apparatus
In work, the guider of the nut 45 of screw mandrel 44 is to must have, and otherwise screw mandrel 44 rotates, and nut 45 also can be rotated and then, silk
The guider of the nut 45 of bar 44 follows screw mandrel 44 to rotate for limiting nut 45, forces axle of the nut 45 along screw mandrel 44
To motion, because the technical staff of mechanical field is seen when having 44 45 device of nut of screw mandrel, just necessarily know in actual fabrication sheet
During device, the guider of the nut 45 of upper screw rod 44 is added, the guider of the addition nut 45 of screw mandrel 44 does not need mechanical field
Personnel pay performing creative labour and can be achieved, and illustrate hereby.
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 special blackboard device, it is characterised in that include bottom plate（1）, lowering or hoisting gear（2）, special blackboard（3）、
Mobile device（4）And blackboard eraser（5）, bottom plate（1）Lowering or hoisting gear is arranged with left and right sides of top（2）, the lifting of the side of left and right two
Device（2）Between top be provided with special blackboard（3）, special blackboard（3）Front upper is provided with mobile device（4）, mobile device（4）
Bottom is provided with blackboard eraser（5）.
A kind of 2. English special blackboard device according to claim 1, it is characterised in that lowering or hoisting gear（2）Include
One support（20）, small pole（22）, electronic reel（23）, slide rail（24）, top shoe（25）, sliding block（26）And drawstring
（27）, bottom plate（1）First support is arranged with left and right sides of top（20）, left first support（20）Right side and right first
Frame（20）Left side is symmetrically provided with groove（21）, left groove（21）Both sides and right groove above and below inner left wall（21）Above and below inner right wall
Both sides are arranged with small pole（22）, the small pole in left（22）The small pole of right-hand member and right（22）Left end be arranged with it is electronic around
Line wheel（23）, left groove（21）Inner left wall and right groove（21）Inner right wall is arranged with slide rail（24）, slide rail（24）It is located at
The small pole of both up and down（22）Between, slide rail（24）It is provided with top shoe（25）And sliding block（26）, electronic reel（23）
On be wound with drawstring（27）, drawstring（27）With top shoe（25）And sliding block（26）Connection, left top shoe（25）And sliding block
（26）Right side and special blackboard（3）Left side connects, right top shoe（25）And sliding block（26）Left side and special blackboard（3）Right side
Connection.
A kind of 3. English special blackboard device according to claim 2, it is characterised in that mobile device（4）Include
Two supports（40）, left shaft holder（41）, right axle bearing（42）, the first motor（43）, screw mandrel（44）And nut（45）, special blackboard
（3）Front upper is provided with second support（40）, second support（40）Bottom is sequentially provided with left shaft holder from left to right（41）, right axle
Bearing（42）With the first motor（43）, left shaft holder（41）With right axle bearing（42）On screw mandrel is installed（44）, screw mandrel（44）It is right
End and the first motor（43）Left end connects, screw mandrel（44）It is provided with nut（45）, screw mandrel（44）With nut（45）Coordinate, nut
（45）Bottom and blackboard eraser（5）Top connects.
4. a kind of English special blackboard device according to claim 3, it is characterised in that also include first bearing seat
（6）, the second motor（7）, rotating shaft（8）, connecting plate（9）, dust collecting box（10）And swash plate（11）, special blackboard（3）Set among bottom
There is first bearing seat（6）With the second motor（7）, first bearing seat（6）Positioned at the second motor（7）Left, first bearing seat（6）On
Rotating shaft is installed（8）, rotating shaft（8）Right-hand member and the second motor（7）Left end connects, rotating shaft（8）Bottom is provided with connecting plate（9）, connection
Plate（9）Bottom is provided with dust collecting box（10）, dust collecting box（10）Inner bottom part is provided with swash plate（11）.
5. a kind of English special blackboard device according to claim 4, it is characterised in that also include big pole（12）、
Upper cylinder（13）And lower cylinder（14）, nut（45）Bottom front is provided with big pole（12）, big pole（12）Rear portion is provided with upper gas
Cylinder（13）And lower cylinder（14）, upper cylinder（13）Positioned at lower cylinder（14）Top, upper cylinder（13）And lower cylinder（14）Rear end with
Blackboard eraser（5）Front portion connection.
A kind of 6. English special blackboard device according to claim 5, it is characterised in that special blackboard（3）Front portion is painted with
Four line lattice of English.
A kind of 7. English special blackboard device according to claim 6, it is characterised in that big pole（12）Material for not
Become rusty steel.
A kind of 8. English special blackboard device according to claim 7, it is characterised in that bottom plate（1）Material be Q235
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439842.6U CN207190605U (en) | 2017-04-25 | 2017-04-25 | A kind of English special blackboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439842.6U CN207190605U (en) | 2017-04-25 | 2017-04-25 | A kind of English special blackboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207190605U true CN207190605U (en) | 2018-04-06 |
Family
ID=61793258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439842.6U Expired - Fee Related CN207190605U (en) | 2017-04-25 | 2017-04-25 | A kind of English special blackboard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207190605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228742A (en) * | 2018-09-29 | 2019-01-18 | 浙江省嘉善县第中学 | A kind of Multifunctional household external application blackboard |
| CN113400846A (en) * | 2021-05-28 | 2021-09-17 | 深圳市华立诺显示技术有限公司 | Erasing device of electronic whiteboard |
-
2017
- 2017-04-25 CN CN201720439842.6U patent/CN207190605U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228742A (en) * | 2018-09-29 | 2019-01-18 | 浙江省嘉善县第中学 | A kind of Multifunctional household external application blackboard |
| CN113400846A (en) * | 2021-05-28 | 2021-09-17 | 深圳市华立诺显示技术有限公司 | Erasing device of electronic whiteboard |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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