CN206528238U - A kind of language teaching board of education - Google Patents

Abstract

The utility model discloses a kind of language teaching board of education, including blank film, fix bar, backup plate, pipe crimping, bead, underframe and pole, the top of the underframe is fixedly connected with fix bar, backup plate is fixedly connected with the middle part of the fix bar, the two ends of the fix bar are provided with neck, the movable inlay card connection of the neck and pipe crimping, the two ends of the pipe crimping are provided with bead groove, bead groove and bead the inlay card connection, the blank Membrane cover is connected on the surface of pipe crimping, and the both sides of the underframe are provided with contiguous block.Blank film used in the board of education is annular in shape, it is superimposed equivalent to two boards of education, add available write area, it is twice of equal area board of education, it is using pulling bead to drive pipe crimping to rotate, so that the process that blank film is rotated, is adjusted its position write, by using the pole friction of the contact with blank film, the rapid cleaning work of large area can be carried out.

Description

A kind of language teaching board of education

Technical field

The utility model is related to a kind of education and instruction apparatus, specially a kind of language teaching board of education.

Background technology

The content of the verbal learning of senior middle school is various, and the size of sometimes one board of education can not meet the book needed for a whole course The content of writing on the blackboard is write, for shorter people, the utilization rate of traditional board of education is again very low, and for the plate of large area Book, is time-consuming and laborious only by carrying out cleaning with blackboard eraser, also has some to use projecting apparatus now, and aobvious equipped with touch screen Show the high-tech board of education such as device, but its cost is too high, it is difficult to received by all schools, it is poor partially especially for some Remote area, these are nearly all excessive demand.Therefore need to design a kind of with low cost, the people that can be adapted to different heights uses, and just In the board of education of cleaning.

Utility model content

The purpose of this utility model is to provide a kind of language teaching board of education, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides following technical scheme：A kind of language teaching board of education, including it is white Plate film, fix bar, backup plate, pipe crimping, bead, underframe and pole, the top of the underframe are fixedly connected with fix bar, the fixation Backup plate is fixedly connected with the middle part of bar, the two ends of the fix bar are provided with neck, the movable inlay card connection of the neck and pipe crimping, institute The two ends for stating pipe crimping are provided with bead groove, and bead groove and bead the inlay card connection, the blank Membrane cover is connected on the surface of pipe crimping, institute The both sides for stating underframe are provided with contiguous block, and the inside of the contiguous block is provided with switch groove and alignment grooves, and the inside of the alignment grooves is set There is bent axle switch, what the bent axle was switched includes connecting rod neck, and spring, the song are connected between the connecting rod neck and switch groove One end of axle switch is provided with rotating vane, the rotating vane and connecting rod neck connection, the connecting rod neck surface provided with projection, it is described it is raised with it is right Position groove inlay card connection, the surface of the underframe is provided with pole, and the two ends of the pole are provided with hole, described hole and bent axle switch Connecting rod neck connection.

It is preferred that, the quantity of the fix bar is two.

It is preferred that, the quantity of the pipe crimping is two.

It is preferred that, the quantity of the bead is two strings.

It is preferred that, the blank film is in the ring-type of a closure.

Compared with prior art, the beneficial effects of the utility model are：Blank film used in the board of education is annular in shape, quite In two boards of education are superimposed, available write area is added, is twice of equal area board of education, it is drawn using pulling Pearl drives pipe crimping to rotate, so that the process that blank film is rotated, is adjusted its position write, by using pole The friction of the contact with blank film, can carry out the rapid cleaning work of large area.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is pipe crimping schematic diagram of the present utility model；

Fig. 3 is the diagrammatic cross-section of contiguous block of the present utility model and bent axle switch connection；

Fig. 4 is the schematic diagram of pole of the present utility model.

In figure：1 blank film, 2 fix bars, 3 backup plates, 4 pipe crimpings, 41 bead grooves, 5 beads, 6 underframe, 61 contiguous blocks, 611 are opened Close groove, 612 alignment grooves, 7 poles, 71 holes, 8 bent axles switch, 81 springs, 82 rotating vanes, 83 projections, 84 connecting rod necks, 9 necks.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, are for only for ease of description the utility model, rather than indicate or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.

Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of language teaching board of education, including blank Film 1, fix bar 2, backup plate 3, pipe crimping 4, bead 5, underframe 6 and pole 7, the top of underframe 6 are fixedly connected with fix bar 2, fixed The quantity of bar 2 is two, and the position of two fix bars 2 is arranged on the right and left of board of education, and the middle part of fix bar 2 is fixedly connected There is backup plate 3, the two ends of fix bar 2 are provided with neck 9, neck 9 and the movable inlay card connection of pipe crimping 4, and the two ends of pipe crimping 4 are provided with bead groove 41, the quantity of pipe crimping 4 is two, and two pipe crimpings 4 are separately positioned on the both sides up and down of board of education, bead groove 41 and the inlay card of bead 5 Connection, the quantity of bead 5 is two strings, and two string beads 5 are separately positioned on the both sides of board of education, and blank film 1 is socketed in the table of pipe crimping 4 Face, blank film 1 is in the ring-type of a closure, and blank film 1 is close to pipe crimping 4, and the both sides of underframe 6 are provided with contiguous block 61, contiguous block 61 inside is provided with switch groove 611 and alignment grooves 612, and the inside of alignment grooves 612 is provided with bent axle switch 8, and bent axle switch 8 is included There is connecting rod neck 84, spring 81 is connected between connecting rod neck 84 and switch groove 611, one end of bent axle switch 8 is provided with rotating vane 82, rotating vane 82 and connecting rod neck 84 connect, the surface of connecting rod neck 84 83 is connected provided with projection 83, projection with the inlay card of alignment grooves 612, the surface of underframe 6 Provided with pole 7, the two ends of pole 7 are provided with hole 71, and the connecting rod neck 84 that hole 71 and bent axle switch 8 is connected.

The utility model is in the specific implementation：When needing to continue writing but inadequate write area when in use, pull Bead 5 drives pipe crimping 4 to rotate, while also driving blank film 1 to rotate, the blank parts of blank film 1 is rotated out, can be played The write area effect doubled, the content write before will also retain, when needing to be cleaned after the completion of writing, first turn Dynamic crankshaft switch 8, pole 7 is moved to the degree fitted with blank film 1, then pull bead 5 to drive blank film 1 to be rubbed with pole 7 Wipe, so as to play a part of rapid cleaning.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of language teaching board of education, including blank film（1）, fix bar（2）, backup plate（3）, pipe crimping（4）, bead（5）, bottom Frame（6）And pole（7）, it is characterised in that：The underframe（6）Top be fixedly connected with fix bar（2）, the fix bar（2） Middle part be fixedly connected with backup plate（3）, the fix bar（2）Two ends be provided with neck（9）, the neck（9）And pipe crimping（4）It is living Dynamic inlay card connection, the pipe crimping（4）Two ends be provided with bead groove（41）, the bead groove（41）And bead（5）Inlay card is connected, institute State blank film（1）It is socketed in pipe crimping（4）Surface, the underframe（6）Both sides be provided with contiguous block（61）, the contiguous block（61） Inside provided with switch groove（611）And alignment grooves（612）, the alignment grooves（612）Inside provided with bent axle switch（8）, it is described Bent axle is switched（8）Include connecting rod neck (84), the connecting rod neck（84）With switch groove（611）Between be connected with spring（81）, The bent axle switch（8）One end be provided with rotating vane（82）, the rotating vane（82）And connecting rod neck（84）Connection, the connecting rod neck（84） Surface is provided with projection（83）, the projection（83）With alignment grooves（612）Inlay card is connected, the underframe（6）Surface be provided with pole （7）, the pole（7）Two ends be provided with hole（71）, described hole（71）With bent axle switch（8）Connecting rod neck（84）Connection.

2. a kind of language teaching board of education according to claim 1, it is characterised in that：The fix bar（2）Quantity For two.

3. a kind of language teaching board of education according to claim 1, it is characterised in that：The pipe crimping（4）Quantity be Two.

4. a kind of language teaching board of education according to claim 1, it is characterised in that：The bead（5）Quantity be Two strings.

5. a kind of language teaching board of education according to claim 1, it is characterised in that：The blank film（1）In one The ring-type of closure.