CN210721957U

CN210721957U - Teaching aid is used in teaching of many show forms of height-adjustable

Info

Publication number: CN210721957U
Application number: CN201921139668.9U
Authority: CN
Inventors: 常志红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-09
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a teaching aid is used in teaching of many show forms of height-adjustable, including first writing board, be equipped with the cavity in the first writing board, be equipped with adjusting device in the cavity, the last square piece that is equipped with of adjusting device, the upper end of square piece runs through the lateral wall of cavity and extends to the upper end of first writing board, the upper end of square piece is fixed with the fixed plate through the mounting, one side of fixed plate can be dismantled and be connected with the sleeve pipe, the intraductal wind-up device that is equipped with of cover, top in the cavity is fixed with the fixed block. The utility model provides an inconvenient problem of writing the area of adjusting, still solved simultaneously and can't never the problem that highly carries out the show to the paper examination paper, avoided the poor condition that leads to the teaching quality to descend of blackboard flexibility to take place, improved teaching efficiency, can assist simultaneously to hang celebration activity slogan, avoid glue or tape-stripping to bring the inconvenient problem of clearance, practiced thrift clearance time, easy operation, the practicality is strong.

Description

Teaching aid is used in teaching of many show forms of height-adjustable

Technical Field

The utility model relates to a teaching technical field especially relates to teaching aid is used in teaching of many show forms of height-adjustable.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

At present, along with the improvement of national economic culture level, people attach more and more importance to the teaching, the blackboard is one of indispensable teaching tool, however, current blackboard can only be used for writing, can't demonstrate the paper examination paper from different heights, also be inconvenient according to user's demand regulation writing area, when narrow and small space or outdoor use, inconvenient shrink is carried, lead to the teaching inefficiency, the quality of teaching descends, for this reason, we have proposed that the teaching aid is solved for the teaching of the many show forms of height-adjustable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a teaching aid with adjustable height and multiple display forms for teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the teaching aid with adjustable height and multiple display forms for teaching comprises a first writing plate, wherein a cavity is arranged in the first writing plate, an adjusting device is arranged in the cavity, a square block is arranged on the adjusting device, the upper end of the square block penetrates through the side wall of the cavity and extends to the upper end of the first writing plate, a fixing plate is fixed at the upper end of the square block through a fixing part, one side of the fixing plate is detachably connected with a sleeve, a winding device is arranged in the sleeve, a fixing block is fixed at the top in the cavity, a groove is formed in the lower end of the fixing block, a pull rod penetrates through the lower end of the first writing plate, the upper end of the pull rod extends into the groove, a first gear and a second gear are fixedly sleeved on the pull rod, the first gear and the adjusting device interact with each other, a telescopic device is arranged in the cavity, and the telescopic device corresponds to the second, one side of the telescopic device is detachably connected with a second writing board, one side of the cavity is provided with a first opening, one side of the second writing board penetrates through the first opening and extends to one side of the first writing board, and the pull rod is provided with a fixing device.

Preferably, adjusting device is including fixing the backup pad on the one end lateral wall in the cavity, the upper end of backup pad is rotated and is connected with the screw rod, the lower extreme of square piece is equipped with third screw thread blind hole, the upper end of screw rod extends to in the third screw thread blind hole, fixed cover is equipped with the third gear on the screw rod, and first gear and third gear are corresponding.

Preferably, the wind includes the dwang that runs through the setting on sleeve pipe one end lateral wall, the one end of dwang is rotated and is connected on the one end lateral wall in the sleeve pipe, be equipped with the opening on the dwang, sheathed tube one side is equipped with the third opening that corresponds with the opening, the other end of dwang is fixed with the turning block.

Preferably, the telescoping device is including fixing the gag lever post on the one end lateral wall in the cavity, be equipped with the movable plate in the cavity, one side of movable plate is equipped with the spacing groove, the one end of gag lever post extends to the spacing inslot, one side of movable plate is fixed with the rack, and second gear and rack intermeshing, the connection can be dismantled in one side of movable plate to one side of second clipboard.

Preferably, fixing device is including fixing the second limiting plate on the pull rod, the lower extreme of first clipboard is fixed with the connecting plate, one side of connecting plate is fixed with first limiting plate, be equipped with the third through-hole on the first limiting plate, and the pull rod runs through the third through-hole, the other end of pull rod is fixed with the runner, and second limiting plate and runner are located the both sides of first limiting plate respectively, one side of runner is fixed with the handle.

Preferably, sheathed tube both sides all are fixed with two second mounting panels, be equipped with the second through-hole on the second mounting panel, one side of fixed plate is equipped with four second screw thread blind holes that correspond with the second through-hole, run through in the second through-hole and be equipped with the second screw, the one end of second screw extends to in the second screw thread blind hole.

Preferably, one side of movable plate is fixed with first mounting panel, be equipped with two first through-holes on the first mounting panel, one side of second clipboard is equipped with two first screw thread blind holes that correspond with first through-hole, run through in the first through-hole and be equipped with first screw, the one end of first screw extends to in the first screw thread blind hole.

Preferably, a guide rod is fixed to one side of the second writing plate, a placing block is fixed to the bottom in the cavity, one end of the guide rod penetrates through the side wall of the placing block and extends to one side of the placing block, and a second opening corresponding to the guide rod is formed in the side wall of the other end in the cavity.

Preferably, both sides of the first writing board are fixed with rails, the two rails are sleeved with two sliding blocks in a sliding mode, the upper ends of the sliding blocks are connected with lifting ropes, and the upper ends of the two lifting ropes are connected with lifting rings.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the problem that the writing area is inconvenient to adjust is solved through the cooperation of the telescopic device, the first writing board and the second writing board, the function of adjusting the writing area according to the requirements of a user is realized, and the multifunctional writing pen is convenient to use in narrow space and outdoors;

2. through the matching among the adjusting device, the winding device and the sleeve, the problem that the paper test paper cannot be displayed is solved, the effects of clamping and fixing the paper test paper and adjusting the height according to requirements are achieved, and the display is facilitated;

to sum up, the device has solved the inconvenient problem of writing the area of adjusting, has still solved simultaneously and can't never the problem that the paper examination paper demonstrates from the difference, has avoided the poor condition that leads to the teaching quality to descend of blackboard flexibility to take place, has improved teaching efficiency, can assist simultaneously to hang celebration activity poster, avoids glue or tape-stripping to bring the inconvenient problem of clearance, has practiced thrift clearance time, easy operation, and the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of an external structure of a height-adjustable teaching aid for multiple display forms;

FIG. 2 is a schematic structural view of an adjusting device of the height-adjustable teaching aid for multiple display forms of the present invention;

FIG. 3 is a schematic structural view of a square block of the height-adjustable teaching aid for multiple display forms;

FIG. 4 is a schematic structural view of the winding device of the height-adjustable multi-display-form teaching aid of the present invention;

figure 5 is the utility model provides a height-adjustable's many show form teaching is with connection state diagram of teaching aid sleeve pipe and second mounting panel.

In the figure: the multifunctional writing board comprises a sleeve pipe 1, a fixing plate 2, a fixing block 3, a first gear 4, a first opening 5, a second gear 6, a first screw 7, a second writing board 8, a first mounting plate 9, a rack 10, a first writing board 11, a guide rod 12, a pull rod 13, a first limiting plate 14, a rotating wheel 15, a handle 16, a second limiting plate 17, a connecting plate 18, a moving plate 19, a second opening 20, a limiting rod 21, a supporting plate 22, a third gear 23, a screw rod 24, a rotating rod 25, a square block 26, a fixing part 27, a third opening 28, a lifting ring 29, a lifting rope 30, a track 31, a sliding block 32, a rotating block 33, a second mounting plate 34, a third threaded blind hole 35, a notch 36 and a second through hole 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a teaching aid for teaching of multiple display forms with adjustable height comprises a first writing board 11, which is convenient to write, a cavity is arranged in the first writing board 11, an adjusting device is arranged in the cavity, a square block 26 is arranged on the adjusting device, the upper end of the square block 26 penetrates through the side wall of the cavity and extends to the upper end of the first writing board 11, a fixing plate 2 is fixed at the upper end of the square block 26 through a fixing part 27, the square block 26 moves to drive the fixing plate 2 to move, a sleeve 1 is detachably connected to one side of the fixing plate 2, the fixing plate 2 moves to drive the sleeve 1 to move, a winding device is arranged in the sleeve 1, through the matching of the adjusting device and the winding device, the data such as paper test paper can be conveniently displayed, and the;

a fixed block 3 is fixed at the top in the cavity, a groove is formed in the lower end of the fixed block 3, a pull rod 13 penetrates through the lower end of a first writing board 11, the upper end of the pull rod 13 extends into the groove, a first gear 4 and a second gear 6 are fixedly sleeved on the pull rod 13, the first gear 4 interacts with an adjusting device, the adjusting device is driven to move when the first gear 4 rotates, a telescopic device is arranged in the cavity and corresponds to the second gear 6, a second writing board 8 is detachably connected to one side of the telescopic device, writing is convenient to conduct, a first opening 5 is formed in one side of the cavity, one side of the second writing board 8 penetrates through the first opening 5 and extends to one side of the first writing board 11, the telescopic device moves to drive the second writing board 8 to move, and the writing area is convenient to adjust according to the requirements of a user;

be equipped with fixing device on pull rod 13, be convenient for carry on spacingly to pull rod 13, one side of second clipboard 8 is fixed with guide bar 12, bottom in the cavity is fixed with places the piece, the one end of guide bar 12 runs through the lateral wall of placing the piece and extends to the one side of placing the piece, be equipped with the second opening 20 that corresponds with guide bar 12 on the other end lateral wall in the cavity, prevent that second clipboard 8 from taking place the dislocation when removing, the both sides of first clipboard 11 all are fixed with track 31, two sliders 32 have been cup jointed in the joint of sliding jointly on two track 31, make things convenient for slider 32 to slide, the upper end of slider 32 is connected with lifting rope 30, the upper end of two lifting rope 30 is connected with rings 29 jointly, be convenient for hang first clipboard 11 on the wall, slide on track 31 through slider 32, conveniently adjust the inclination of first clipboard 11.

The utility model discloses in, adjusting device is including fixing the backup pad 22 on the one end lateral wall in the cavity, backup pad 22's upper end is rotated and is connected with screw rod 24, square 26 lower extreme is equipped with third screw thread blind hole 35, screw rod 24's upper end extends to in the third screw thread blind hole 35, fixed cover is equipped with third gear 23 on the screw rod 24, and first gear 4 and third gear 23 are corresponding, first gear 4 rotates and drives third gear 23 and rotate, third gear 23 rotates and drives screw rod 24 and rotate, utilize screw rod 24's rotation to make things convenient for the height of square 26 to adjust.

The utility model discloses in, the wind including running through the dwang 25 that sets up on sleeve pipe 1 one end lateral wall, the one end of dwang 25 is rotated and is connected on the one end lateral wall in the sleeve pipe 1, is equipped with opening 36 on the dwang 25, conveniently places the test paper, and one side of sleeve pipe 1 is equipped with the third opening 28 that corresponds with opening 36, and the other end of dwang 25 is fixed with turning block 33, and turning block 33 rotates and drives dwang 25 and rotate to the convenience presss from both sides tightly the test paper.

In the utility model, the telescopic device comprises a limiting rod 21 fixed on the side wall of one end in the cavity, a movable plate 19 is arranged in the cavity, one side of the movable plate 19 is provided with a limiting groove, one end of the limiting rod 21 extends into the limiting groove, the movable plate 19 is convenient to stably move, one side of the movable plate 19 is fixed with a rack 10, and the second gear 6 and the rack 10 are engaged with each other, one side of the second writing board 8 is detachably connected with one side of the moving board 19, the rack 10 is driven to move when the second gear 6 rotates, the rack 10 moves to drive the moving board 19 to move, and thus provides a motive force for adjusting the position of the second tablet 8, when encountering misalignment of the gear and rack 10, after the teeth are engaged with each other by slightly rotating the wheel 15 in situ, the push-pull rod 13 is pushed upwards, the adjustment is then carried out by bringing the gear into engagement with the rack 10, the principle being identical when the gear is in engagement with the gear.

The utility model discloses in, fixing device is including fixing the second limiting plate 17 on pull rod 13, the lower extreme of first board 11 of writing is fixed with connecting plate 18, one side of connecting plate 18 is fixed with first limiting plate 14, be equipped with the third through-hole on first limiting plate 14, and pull rod 13 runs through the third through-hole, pull rod 13's the other end is fixed with runner 15, runner 15 drives pull rod 13 when rotating and rotates, and second limiting plate 17 and runner 15 are located first limiting plate 14's both sides respectively, one side of runner 15 is fixed with handle 16, handle 16 rotates and drives runner 15 and rotate, cooperation through between first limiting plate 14 and the second limiting plate 17, position that removes pull rod 13 is injectd.

The utility model discloses in, sleeve pipe 1's both sides all are fixed with two second mounting panels 34, are equipped with second through-hole 37 on the second mounting panel 34, and one side of fixed plate 2 is equipped with four second screw thread blind holes that correspond with second through-hole 37, runs through in the second through-hole 37 and is equipped with the second screw, and in the one end of second screw extended to second screw thread blind hole, the convenience was fixed sleeve pipe 1 on fixed plate 2.

The utility model discloses in, one side of movable plate 19 is fixed with first mounting panel 9, is equipped with two first through-holes on the first mounting panel 9, and one side of second clipboard 8 is equipped with two first screw thread blind holes that correspond with first through-hole, runs through in the first through-hole and is equipped with first screw 7, and in the one end of first screw 7 extended to first screw thread blind hole, easy to assemble and dismantlement improved the efficiency of installation and dismantlement.

In the utility model, when in use, firstly adjusting the distance between two sliders 32, then using the rings 29 and the lifting ropes 30 to hang the first writing board 11 on a proper position, when the writing area needs to be adjusted, inserting one end of the pull rod 13 into the groove, staggering the first gear 4 and the third gear 23, meshing the second gear 6 with the rack 10, holding the handle 16 by hand, rotating the handle 16 to drive the rotating wheel 15 to rotate, rotating the rotating wheel 15 to drive the pull rod 13 to rotate, rotating the pull rod 13 to drive the second gear 6 to rotate, rotating the second gear 6 to drive the rack 10 to move, moving the rack 10 to drive the moving board 19 to move, moving the moving board 19 to drive the first mounting board 9 to move, moving the second writing board 8 to move the second writing board 8 out of the first opening 5, thereby increasing the writing area, when the materials such as test paper need to be displayed, pulling the pull rod 13 to make the second limit plate 17 abut against one side of the first limit plate 14, the pull rod 13 drives the first gear 4 to move when moving, so that the first gear 4 is meshed with the third gear 23, the second gear 6 is staggered with the rack 10, the rotating wheel 15 is rotated, so that the first gear 4 rotates to drive the third gear 23 to rotate, the third gear 23 rotates to drive the screw rod 24 to rotate, the screw rod 24 rotates to drive the square block 26 to move, the square block 26 moves to drive the fixing plate 2 to move, so that the height of the fixing plate 2 is adjusted, then the rotating block 33 is rotated, the rotating block 33 rotates to drive the rotating rod 25 to rotate, the notch 36 on the rotating rod 25 corresponds to the third opening 28 on the sleeve 1, then materials such as test paper are inserted into the notch 36 from the third opening 28, then the rotating block 33 is rotated, the test paper is clamped by utilizing the notch 36 and the third opening 28 to be staggered, then show, the back is adjusted out at second clipboard 8 under general condition, is not contracting, needs outdoor use, perhaps narrow and small space and shrink adjust the shrink again when carrying, and wind device not only can the centre gripping paper, can also carry out the centre gripping to learning materials such as poster and relevant picture or the slogan when celebrating the activity and hang, can be to its altitude mixture control as required.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Teaching aid is used in teaching of many show forms of height-adjustable, including first clipboard (11), its characterized in that: the utility model discloses a writing board, including first writing board (11), be equipped with the cavity in the first writing board (11), be equipped with square piece (26) in the adjusting device, the upper end of square piece (26) runs through the lateral wall of cavity and extends to the upper end of first writing board (11), the upper end of square piece (26) is fixed with fixed plate (2) through mounting (27), one side of fixed plate (2) can be dismantled and is connected with sleeve pipe (1), be equipped with wind set in sleeve pipe (1), the top in the cavity is fixed with fixed block (3), the lower extreme of fixed block (3) is equipped with the recess, the lower extreme of first writing board (11) runs through and is equipped with pull rod (13), the upper end of pull rod (13) extends to in the recess, fixed cover is equipped with first gear (4) and second gear (6) on pull rod (13), and first gear (4) and adjusting device interact, be equipped with the telescoping device in the cavity, and telescoping device and second gear (6) correspond, one side of telescoping device can be dismantled and be connected with second clipboard (8), one side of cavity is equipped with first opening (5), one side of second clipboard (8) is run through first opening (5) and is extended to one side of first clipboard (11), be equipped with fixing device on pull rod (13).

2. The teaching aid of many show forms of height-adjustable teaching of claim 1, characterized in that, adjusting device includes fixing backup pad (22) on the one end lateral wall in the cavity, the upper end of backup pad (22) is rotated and is connected with screw rod (24), the lower extreme of square piece (26) is equipped with third screw thread blind hole (35), the upper end of screw rod (24) extends to in third screw thread blind hole (35), fixed cover is equipped with third gear (23) on screw rod (24), and first gear (4) and third gear (23) are corresponding.

3. The teaching aid of many show forms of height-adjustable teaching of claim 1, characterized in that, the wind includes and runs through dwang (25) of setting on sleeve pipe (1) one end lateral wall, the one end of dwang (25) is rotated and is connected on the one end lateral wall in sleeve pipe (1), be equipped with opening (36) on dwang (25), one side of sleeve pipe (1) is equipped with third opening (28) that correspond with opening (36), the other end of dwang (25) is fixed with turning block (33).

4. The teaching aid of many show forms of height-adjustable teaching of claim 1, characterized in that, the telescoping device includes the gag lever post (21) of fixing on one end lateral wall in the cavity, be equipped with movable plate (19) in the cavity, one side of movable plate (19) is equipped with the spacing groove, the one end of gag lever post (21) extends to the spacing inslot, one side of movable plate (19) is fixed with rack (10), and second gear (6) and rack (10) intermeshing, the connection can be dismantled in one side of movable plate (19) in one side of second clipboard (8).

5. The teaching aid of many show forms of height-adjustable teaching of claim 1, characterized in that, fixing device is including fixing second limiting plate (17) on pull rod (13), the lower extreme of first board (11) of writing is fixed with connecting plate (18), one side of connecting plate (18) is fixed with first limiting plate (14), be equipped with the third through-hole on first limiting plate (14), and pull rod (13) run through the third through-hole, the other end of pull rod (13) is fixed with runner (15), and second limiting plate (17) and runner (15) are located the both sides of first limiting plate (14) respectively, one side of runner (15) is fixed with handle (16).

6. The teaching aid of many show forms of height-adjustable teaching of claim 1, characterized in that, the both sides of sleeve pipe (1) all are fixed with two second mounting panels (34), be equipped with second through-hole (37) on second mounting panel (34), one side of fixed plate (2) is equipped with four second screw thread blind holes that correspond with second through-hole (37), it is equipped with the second screw to run through in second through-hole (37), the one end of second screw extends to in the second screw thread blind hole.

7. The teaching aid of many show forms of height-adjustable teaching of claim 4, characterized in that, one side of movable plate (19) is fixed with first mounting panel (9), be equipped with two first through-holes on first mounting panel (9), one side of second clipboard (8) is equipped with two first screw thread blind holes that correspond with first through-hole, run through in the first through-hole and be equipped with first screw (7), the one end of first screw (7) extends to in the first screw thread blind hole.

8. A height-adjustable teaching aid for teaching in multiple display forms according to claim 1, wherein a guide rod (12) is fixed to one side of the second writing board (8), a placing block is fixed to the bottom of the cavity, one end of the guide rod (12) penetrates through the side wall of the placing block and extends to one side of the placing block, and a second opening (20) corresponding to the guide rod (12) is formed in the side wall of the other end of the cavity.

9. A height-adjustable teaching aid for teaching multiple display forms according to claim 1, wherein rails (31) are fixed on both sides of the first writing board (11), two sliding blocks (32) are sleeved on the two rails (31) in a sliding manner, the upper ends of the sliding blocks (32) are connected with lifting ropes (30), and the upper ends of the two lifting ropes (30) are connected with lifting rings (29) in a sliding manner.