CN209552783U - A kind of English teaching blackboard convenient for writing English word - Google Patents

Abstract

The utility model discloses a kind of English teaching blackboards convenient for writing English word, including bottom plate and third bracket, the both ends on the bottom plate top are all equipped with first support, lower end inside the first support all offers arc groove, the one end on the bottom plate top is equipped with dust catcher, the first support top is all equipped with turntable close to one end of dust catcher, and turntable is equipped with backboard far from one end of first support.The utility model is used cooperatively by cross bar, lantern ring, telescopic rod and third bracket, chalk can be inserted into chalk hole and be fixed using the second bolt, then third bracket is caught, third bracket is lifted up, telescopic rod is stretched out at this time, when telescopic rod stretchs out suitable position, third bracket is pressed to clipboard, and third bracket is slided along the direction of cross bar, can drafting that is accurate and quickly finishing four line lattice, be greatly saved the time of teachers' instruction.

Description

A kind of English teaching blackboard convenient for writing English word

Technical field

The utility model relates to teaching aid technical field, specially a kind of English teaching convenient for writing English word is black Plate.

Background technique

For English as one of most popular language in the world, number of users, which passes through, is inferior to Chinese and Spanish, with The development in epoch, more and more people will learn and use English as a kind of fashion and trend, how the good English of theory, How fluent writing English is to learn the most important step of English well.

Existing English word writing blackboard is since its structure is simple, four unprofessional line lattice, so that beginner is in book Since the size for failing to grip with word letter not only influences beauty usually by the more mixed and disorderly of word writing when writing, while giving teacher Correct and cause difficulty, traditional writing blackboard can not be moved and be adjusted the angle when in use, when teacher is at lecture theater When being given lessons, the student of classroom remotely is sitting in since position is higher, the angle formed between sight and blackboard is larger, often Often result in the writing on the blackboard not seen on blackboard, affect quality of instruction, existing writing blackboard does not have a dust collecting, classroom or For student when writing, the chalk dust that chalk is scattered sucks the health that will affect teachers and students for a long time.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of English teaching blackboard convenient for writing English word The problem of being proposed in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of English convenient for writing English word Blackboard for education, including bottom plate and third bracket, the both ends on the bottom plate top are all equipped with first support, in the first support The lower end in portion all offers arc groove, and the one end on the bottom plate top is equipped with dust catcher, and the first support top is close to suction One end of dirt device is all equipped with turntable, and turntable is equipped with backboard far from one end of first support, and the backboard side is far from suction One end of dirt device is equipped with metal plate, and magnet is evenly arranged on the outside of metal plate, and the backboard is close to metal plate side Top is provided with four line lattice, clipboard is equipped on the backboard below the four lines lattice, the backboard is close to metal plate side two The bottom at end is all equipped with second support, and second support is equipped with cross bar far from one end of first support, and the cross bar is close Lantern ring is installed, and the top of lantern ring is equipped with telescopic rod on the outside of metal plate one end, the top of the telescopic rod is equipped with solid Determine block, the fixed block is equipped with third bracket far from one end of metal plate, and the inside of the third bracket is uniformly provided with powder Hole, the third bracket all offers threaded hole far from one end of telescopic rod, and the inside of threaded hole is all equipped with the second spiral shell Bolt is equipped with ledge for chalk on blackboard on the backboard below the lantern ring, and the ledge for chalk on blackboard is equipped with dust on the backboard far from lantern ring one end The output end of slot, the dust catcher is connected to by conduit with dust collecting trough, and the inside of the arc groove is all equipped with the first bolt, institute It states the first bolt and the first nut is all installed close to the outside of backboard one end, and outside of first bolt far from backboard one end is all pacified Equipped with the second nut.

Preferably, universal wheel is all installed at the corner location of the bottom plate bottom end, and the inside of universal wheel is all equipped with Brake apparatus.

Preferably, the chalk hole is provided with 4 groups, and the spacing between adjacent chalk hole is equal.

Preferably, the backboard is by constituting turnover mechanism, and the overturning of the turnover mechanism between turntable and first support Angular range is 0-30 °.

Preferably, gasket is installed between second nut and first support.

Preferably, the dust collecting trough is internally provided with Air Filter.

Compared with prior art, the utility model has the beneficial effects that should be black convenient for the English teaching of writing English word Plate can be puted up the article for needing student to write or paragraph on a metal plate, section by being used cooperatively for magnet and metal plate Instructional blocks of time has been saved, by being used cooperatively for cross bar, lantern ring, telescopic rod and third bracket, chalk can be inserted into chalk hole And be fixed using the second bolt, third bracket is then caught, third bracket is lifted up, telescopic rod is stretched out at this time, when When telescopic rod stretchs out suitable position, third bracket is pressed to clipboard, and by third bracket and is slided along the direction of cross bar, Can drafting that is accurate and quickly finishing four line lattice, be greatly saved the time of teachers' instruction, while student is in four line lattice On the writing English word that can more standardize, improve the teaching quality of teacher, by turntable, first support, the first nut, First bolt and arc groove are used cooperatively, and when needing to carry out angular adjustment to device, the second nut is unscrewed, and catch the One bolt simultaneously adjusts the angle the direction of the first bolt arcuately slot slowly, when angle is adjusted, the second nut is tightened, i.e., The adjusting of achievable angle can make in lecture theater farther away student or see the writing on the blackboard on blackboard clearly, improve The quality of teaching can control when being write by being used cooperatively for dust collecting trough and dust catcher and open dust catcher, dust catcher It works and passes through dust collecting trough and be collected the chalk dust being scattered in air, avoid the chalk dust being scattered and inhaled by teacher and student Enter, to cause healthy hidden danger.

Detailed description of the invention

Fig. 1 is the schematic front view of the utility model；

Fig. 2 is the schematic side view of the utility model；

Fig. 3 is the chalk hole schematic top plan view of the utility model.

In figure: 1, turntable；2, magnet；3, metal plate；4, four line lattice；5, clipboard；6, backboard；7, first support；8, horizontal Bar；9, second support；10, dust collecting trough；11, the first nut；12, the second nut；13, dust catcher；14, universal wheel；15, bottom plate； 16, the first bolt；17, ledge for chalk on blackboard；18, lantern ring；19, telescopic rod；20, fixed block；21, arc groove；22, third bracket；23, powder Hole；24, threaded hole；25, the second bolt.

Specific embodiment

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 Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of English teaching convenient for writing English word Blackboard, including bottom plate 15 and third bracket 22, the both ends on 15 top of bottom plate are all equipped with first support 7, inside first support 7 Lower end all offers arc groove 21, and the one end on 15 top of bottom plate is equipped with dust catcher 13, and 7 top of first support is close to dust catcher 13 One end turntable 1 is all installed, and turntable 1 is equipped with backboard 6 far from one end of first support 7, and 6 side of backboard is far from dust catcher 13 one end is equipped with metal plate 3, and the outside of metal plate 3 is evenly arranged with magnet 2, top of the backboard 6 close to 3 side of metal plate End is provided with four line lattice 4, is equipped with clipboard 5 on the backboard 6 of four line lattice, 4 lower section, backboard 6 is close to 3 side both ends of metal plate Bottom is all equipped with second support 9, and second support 9 is equipped with cross bar 8 far from one end of first support 7, and cross bar 8 is close to metal Lantern ring 18 is installed, and the top of lantern ring 18 is equipped with telescopic rod 19 on the outside of 3 one end of plate, the top of telescopic rod 19 is equipped with solid Determine block 20, fixed block 20 is equipped with third bracket 22 far from one end of metal plate 3, and the inside of third bracket 22 is uniformly provided with powder Hole 23, the one end of third bracket 22 far from telescopic rod 19 all offers threaded hole 24, and the inside of threaded hole 24 is all equipped with Second bolt 25, is equipped with ledge for chalk on blackboard 17 on the backboard 6 of the lower section of lantern ring 18, on backboard 6 of the ledge for chalk on blackboard 17 far from 18 one end of lantern ring Dust collecting trough 10 is installed, the output end of dust catcher 13 is connected to by conduit with dust collecting trough 10, and the inside of arc groove 21 is all equipped with First bolt 16, the first bolt 16 is all equipped with the first nut 11 close to the outside of 6 one end of backboard, and the first bolt 16 is far from back The outside of 6 one end of plate is all equipped with the second nut 12.

In this embodiment: universal wheel 14 being all installed, and the inside of universal wheel 14 is all at the corner location of 15 bottom end of bottom plate Brake apparatus is installed, the movement of device can be made more convenient using universal wheel 14, chalk hole 23 is provided with 4 groups, and adjacent Spacing between chalk hole 23 is equal, once can directly draw out four line lattice using multiple chalk holes 23, save drafting four The time of line lattice, backboard 6 is by constituting turnover mechanism, and the flip angle model of the turnover mechanism between turntable 1 and first support 7 Enclosing is 0-30 °, which can make device adapt to the viewing of different angle, increases the practicability of device, the second nut Gasket is installed between 12 and first support 7, can protect the second nut 12 during tightening using gasket will not injure First support 7, dust collecting trough 10 are internally provided with Air Filter, convenient for clearing up chalk dust.

Working principle: the English word for needing student to write is written on four line lattice 4 by teacher first by external power supply first On, or paper single page is fitted on metal plate 3 using magnet 2, facilitate student to write, then twists the second bolt 25 It opens, chalk is added into chalk hole 23, and tighten the second bolt 25 again, so that chalk will not fall off in chalk hole 23, weight Multiple process, and it is finally completed the installation of all chalks, third bracket 22 is lifted up, telescopic rod 19 is stretched out at this time, when flexible When bar 19 stretchs out suitable position, the chalk on third bracket 22 is pressed to clipboard 5, and make lantern ring 18 in the outside of cross bar 8 Sliding, can drafting that is once accurate and quickly finishing four line lattice, save a large amount of times for drawing four line lattice, utilize drafting Four good line lattice carry out the writing of English word, and not only writing effect is good, while also correcting conducive to the inspection of teacher, when student exists Farther away place needs to carry out angular adjustment to device, at this time twists the second nut 12 because when angle problem does not see writing on the blackboard It opens, catch the first bolt 16 and makes the first bolt 16 arcuately slot 21 slowly adjusts the angle, when angle is adjusted, then by second Nut 12 is tightened, and the adjusting of angle can be completed, and such mode is simple and convenient, greatly improves the actual use effect of device Fruit disperses in air since the consumption of chalk can generate a large amount of chalk dust, can control at this time when student writes Dust catcher 13 is opened, dust catcher 13 works and can be collected to the chalk dust to disperse in air by dust collecting trough 10, by powder Pen ash is pumped on the dust-collecting net inside dust collecting trough 10, prevents teachers and students because inhalation of chalk dust causes healthy hidden danger.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of English teaching blackboard convenient for writing English word, including bottom plate (15) and third bracket (22), feature exists In: the both ends on bottom plate (15) top are all equipped with first support (7), and the internal lower end of the first support (7) all opens up Have arc groove (21), the one end on bottom plate (15) top is equipped with dust catcher (13), and first support (7) top is close to suction One end of dirt device (13) is all equipped with turntable (1), and turntable (1) is equipped with backboard (6), institute far from the one end of first support (7) It states backboard (6) side to be equipped with metal plate (3) far from one end of dust catcher (13), and is evenly arranged on the outside of metal plate (3) Magnet (2), the backboard (6) are provided with four line lattice (4) close to the top of metal plate (3) side, below the four lines lattice (4) It is equipped on backboard (6) clipboard (5), the backboard (6) is all equipped with second close to the bottom at metal plate (3) side both ends Frame (9), and second support (9) is equipped with cross bar (8) far from the one end of first support (7), the cross bar (8) is close to metal plate (3) it is equipped on the outside of one end lantern ring (18), and the top of lantern ring (18) is equipped with telescopic rod (19), the telescopic rod (19) Top is equipped with fixed block (20), and the fixed block (20) is equipped with third bracket (22) far from the one end of metal plate (3), described The inside of third bracket (22) is uniformly provided with chalk hole (23), and the one end of the third bracket (22) far from telescopic rod (19) is all It offers threaded hole (24), and the inside of threaded hole (24) is all equipped with the second bolt (25), the back below the lantern ring (18) It is equipped on plate (6) ledge for chalk on blackboard (17), dust collecting trough is installed on the backboard (6) of separate lantern ring (18) one end of the ledge for chalk on blackboard (17) (10), the output end of the dust catcher (13) is connected to by conduit with dust collecting trough (10), and the inside of the arc groove (21) is all pacified Equipped with the first bolt (16), first bolt (16) is all equipped with the first nut (11) close to the outside of backboard (6) one end, and First bolt (16) is all equipped with the second nut (12) far from the outside of backboard (6) one end.

2. a kind of English teaching blackboard convenient for writing English word according to claim 1, it is characterised in that: the bottom It is all equipped with universal wheel (14) at the corner location of plate (15) bottom end, and the inside of universal wheel (14) is all equipped with brake apparatus.

3. a kind of English teaching blackboard convenient for writing English word according to claim 1, it is characterised in that: the powder Hole (23) is provided with 4 groups, and the spacing between adjacent chalk hole (23) is equal.

4. a kind of English teaching blackboard convenient for writing English word according to claim 1, it is characterised in that: the back Plate (6) is by constituting turnover mechanism between turntable (1) and first support (7), and the flip angle range of the turnover mechanism is 0- 30°。

5. a kind of English teaching blackboard convenient for writing English word according to claim 1, it is characterised in that: described the Gasket is installed between two nuts (12) and first support (7).

6. a kind of English teaching blackboard convenient for writing English word according to claim 1, it is characterised in that: the collection Dirt slot (10) is internally provided with Air Filter.