CN215737884U

CN215737884U - A multi-functional teaching device for it is fixed

Info

Publication number: CN215737884U
Application number: CN202122046323.2U
Authority: CN
Inventors: 王风蕊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-08
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a multifunctional fixed teaching device, and relates to the technical field of teaching aids. The technical key points are as follows: draw the clipboard, the clipboard bottom is equipped with strutting arrangement, the spout has been seted up on the clipboard, sliding connection has the slider in the spout, fixedly connected with L type pole on the slider, slider one side fixedly connected with fixing base is kept away from to L type pole, the fixing base bilateral symmetry is equipped with two regulation poles, adjust pole and fixing base fixed connection, it keeps away from fixing base one side fixedly connected with fixed plate to adjust the pole, it is equipped with the slide bar to insert on the fixed plate, slide bar and fixed plate sliding connection, the slide bar is close to fixing base one side fixedly connected with holder, the slide bar is close to holder one side cover and is equipped with the spring, spring one end and holder fixed connection, the spring other end and fixed plate fixed connection, the slide bar is kept away from holder one side fixedly connected with pull ring.

Description

A multi-functional teaching device for it is fixed

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a multifunctional fixed teaching device.

Background

Teacher's blackboard writing needs put the book on the lectern on the blackboard, needs one side to write on the blackboard, then returns to reading, can waste a large amount of time like this, perhaps some mr selects one hand to take books, and one hand writes on the blackboard, but can cause arm fatigue like this for a long time, influences mr's teaching.

The above prior art solution has the following drawbacks: the current teaching device can not fix books and follow the mr and adjust when the mr writes on a blackboard.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a fixed multifunctional teaching device, an L-shaped rod is driven to slide by a sliding block arranged in a sliding groove at the top of a writing board, a fixed seat fixed on the L-shaped rod slides along with the L-shaped rod, a fixed plate is driven to move by adjusting rods arranged at two sides of the fixed seat, the fixed plate can be adjusted according to the thickness of a book, a clamping piece is driven to move by sliding the sliding rod through the sliding rod arranged on the fixed plate, a spring is driven to deform, the sliding rod is loosened after the book is placed, the clamping piece is abutted and fixed to the book, the book is fixed on the fixed seat, the positions of the fixed seat and the book can be adjusted by sliding the sliding block in the sliding groove, and the adjustment can be carried out according to the position of a teacher.

The above object of the present invention is achieved by the following technical solutions:

a multifunctional fixed teaching device, which comprises a writing board, wherein the bottom of the writing board is provided with a supporting device, the writing board is provided with a chute, a slide block is connected in the chute in a sliding way, an L-shaped rod is fixedly connected on the slide block, one side of the L-shaped rod, which is far away from the sliding block, is fixedly connected with a fixed seat, two adjusting rods are symmetrically arranged on two sides of the fixed seat, the adjusting rod is fixedly connected with the fixed seat, one side of the adjusting rod, which is far away from the fixed seat, is fixedly connected with a fixed plate, a sliding rod is inserted on the fixed plate and is connected with the fixed plate in a sliding way, one side of the sliding rod, which is close to the fixed seat, is fixedly connected with a clamping piece, a spring is sleeved on one side of the sliding rod close to the clamping piece, one end of the spring is fixedly connected with the clamping piece, the other end of the spring is fixedly connected with the fixed plate, and one side, far away from the clamping piece, of the sliding rod is fixedly connected with a pull ring.

Through adopting the above-mentioned technical scheme, it slides to drive L type pole through the slider that sets up in clipboard top spout, make fixed fixing base slide thereupon on the L type pole, through the regulation pole that sets up in the fixing base both sides, it removes to drive the fixed plate through adjusting the pole, can adjust according to the thickness of books, through the slide bar of setting on the fixed plate, slide the slide bar, it removes to drive the holder, and drive spring deformation, loose the slide bar after putting into books, it is fixed to make the holder carry out the butt to books, and then fix books on the fixing base, and can slide the position of adjusting fixing base and books in the spout through the slider, come to adjust according to mr's position.

The present invention in a preferred example may be further configured to: the adjusting rod comprises a first connecting rod, the first connecting rod is fixedly connected with the fixing base, the first connecting rod is arranged in a hollow mode and is kept away from an opening in one side of the fixing base, a second connecting rod is inserted into the first connecting rod and is connected with the first connecting rod in a sliding mode, the second connecting rod is kept away from one side of the first connecting rod and is fixedly connected with the fixing plate, a sleeve ring is sleeved on the second connecting rod, the sleeve ring is rotatably connected with the first connecting rod, an internal thread is arranged in the sleeve ring, an external thread matched with the internal thread in the sleeve ring is arranged on the second connecting rod, and the sleeve ring is in threaded connection with the second connecting rod. .

Through adopting above-mentioned technical scheme, adjust the pole for gliding head rod and second connecting rod through the setting, the second connecting rod slides in the head rod and can drive the fixed plate and remove to adjust according to the thickness of books, rotate on the head rod through the lantern ring that sets up threaded connection on the second connecting rod, drive the second connecting rod and remove convenient and practical.

The present invention in a preferred example may be further configured to: the supporting device comprises two connecting pieces which are respectively and fixedly connected with the two sides of the protected writing board, screw rods are inserted on the two connecting pieces, the screw rod is connected with the connecting piece through threads, the bottom of the writing board is fixedly connected with two connecting blocks, the two screw rods respectively penetrate through the two connecting blocks, the screw rod is connected with the connecting block in a sliding way, a first bevel gear is sleeved at the bottom of the screw rod, a second bevel gear is meshed at one side of the first bevel gear, a gear seat is arranged in addition, the first bevel gear and the second bevel gear are both rotationally connected with the gear seats, the bottom of the writing board is provided with a base, the two gear seats are both fixedly connected with the base, a rotating shaft is inserted between the two second bevel gears, the rotating shaft is fixedly connected with the second bevel gear, and one side of the rotating shaft is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, through setting up threaded connection's lead screw on the connecting piece and the connecting piece of clipboard both sides, it can make the connecting piece drive the clipboard and reciprocate along the lead screw to rotate the lead screw, connecting block and lead screw sliding connection through setting up in the clipboard bottom, stability is improved, rotate on the gear seat through setting up first bevel gear and the second bevel gear of meshing in the lead screw bottom, insert the pivot on the second bevel gear, it drives the pivot through the handle, make the pivot drive rather than fixed second bevel gear rotate, second bevel gear drives and rotates and then make the lead screw rotate rather than the first bevel gear of meshing, control writing on of clipboard and move.

The present invention in a preferred example may be further configured to: and the tops of the two lead screws are fixedly connected with limiting blocks.

Through adopting above-mentioned technical scheme, through setting up the stopper at two lead screw tops, can prevent that the connecting piece from slipping on the lead screw.

The present invention in a preferred example may be further configured to: a plurality of anti-slip lines are arranged on the periphery of the lantern ring.

Through adopting above-mentioned technical scheme, through setting up the anti-skidding line in lantern ring week side, can increase the frictional force between the palm and the lantern ring when using, facilitate the use.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the sliding block arranged in the sliding groove at the top of the writing board drives the L-shaped rod to slide, so that the fixing seat fixed on the L-shaped rod slides along with the L-shaped rod, the adjusting rods arranged on two sides of the fixing seat drive the fixing plate to move through the adjusting rods, the fixing plate can be adjusted according to the thickness of a book, the sliding rod arranged on the fixing plate slides to drive the clamping piece to move and drive the spring to deform, the sliding rod is loosened after the book is placed in the fixing seat, the clamping piece is abutted and fixed to the book, the book is fixed on the fixing seat, the positions of the fixing seat and the book can be adjusted through the sliding of the sliding block in the sliding groove, and the adjustment can be performed according to the position of a teacher;

2. the adjusting rods are arranged to be the sliding first connecting rod and the sliding second connecting rod, the second connecting rod slides in the first connecting rod to drive the fixing plate to move, so that adjustment is performed according to the thickness of a book, and the lantern ring which is connected with the second connecting rod through threads rotates on the first connecting rod to drive the second connecting rod to move, so that the book is convenient and practical;

3. through setting up threaded connection's lead screw on the connecting piece of clipboard both sides and connecting piece, it can make the connecting piece drive the clipboard and reciprocate along the lead screw to rotate the lead screw, through setting up connecting block and the lead screw sliding connection in the clipboard bottom, stability is improved, rotate on the gear seat through setting up first bevel gear and the second bevel gear of meshing in the lead screw bottom, insert the pivot of establishing on second bevel gear, drive the pivot through the handle and drive, make the pivot drive rather than fixed second bevel gear rotate, second bevel gear drives and rotates and then make the lead screw rotate rather than the first bevel gear of meshing, control writing on of clipboard and remove.

Drawings

FIG. 1 is a schematic view of a first perspective structure of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic sectional view of the adjusting rod of the present invention.

Reference numerals: 1. a writing board; 2. a support device; 21. a connecting member; 22. connecting blocks; 23. a screw rod; 24. a first bevel gear; 25. a second bevel gear; 26. a gear seat; 27. a rotating shaft; 28. a handle; 3. a chute; 4. a slider; 5. an L-shaped rod; 6. a fixed seat; 7. adjusting a rod; 71. a first connecting rod; 72. a second connecting rod; 73. a collar; 8. a fixing plate; 9. a slide bar; 10. a clamping member; 11. a spring; 12. a pull ring; 13. a limiting block; 14. a base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The detailed description of the disclosure is provided below

As shown in fig. 1 and 2, the fixed multifunctional teaching device disclosed by the present invention comprises a writing board 1, a supporting device 2 is disposed at the bottom of the writing board 1, a sliding slot 3 is disposed on the writing board 1, a sliding block 4 is slidably connected to the sliding slot 3, an L-shaped rod 5 is fixedly connected to the sliding block 4, a fixed seat 6 is fixedly connected to one side of the L-shaped rod 5 away from the sliding block 4, two adjusting rods 7 are symmetrically disposed at two sides of the fixed seat 6, the adjusting rods 7 are fixedly connected to the fixed seat 6, a fixed plate 8 is fixedly connected to one side of the adjusting rods 7 away from the fixed seat 6, a sliding rod 9 is inserted into the fixed plate 8, the sliding rod 9 is slidably connected to the fixed plate 8, a clamping member 10 is fixedly connected to one side of the sliding rod 9 close to the fixed seat 6, a spring 11 is sleeved to one side of the sliding rod 9 close to the clamping member 10, one end of the spring 11 is fixedly connected to the clamping member 10, and the other end of the spring 11 is fixedly connected to the fixed plate 8, a pull ring 12 is fixedly connected to one side of the slide rod 9 far away from the clamping piece 10.

As shown in fig. 2 and fig. 3, the adjusting rod 7 includes a first connecting rod 71, the first connecting rod 71 is fixedly connected to the fixing base 6, the first connecting rod 71 is hollow, the first connecting rod 71 is far away from the opening on one side of the fixing base 6, a second connecting rod 72 is inserted into the first connecting rod 71, the second connecting rod 72 is slidably connected to the first connecting rod 71, one side of the second connecting rod 72 far away from the first connecting rod 71 is fixedly connected to the fixing plate 8, a sleeve ring 73 is sleeved on the second connecting rod 72, the sleeve ring 73 is rotatably connected to the first connecting rod 71, an internal thread is provided in the sleeve ring 73, an external thread matched with the internal thread on the sleeve ring 73 is provided on the second connecting rod 72, and the sleeve ring 73 is threadedly connected to the second connecting rod 72. The ring 73 is provided with a plurality of anti-slip threads on the periphery.

As shown in fig. 1 and fig. 2, the supporting device 2 includes two connecting members 21, two connecting members 21 are respectively and fixedly connected to two sides of the protected writing board 1, a screw rod 23 is inserted into each of the two connecting members 21, the screw rod 23 is in threaded connection with the connecting members 21, two connecting blocks 22 are fixedly connected to the bottom of the writing board 1, two screw rods 23 respectively penetrate through the two connecting blocks 22, the screw rod 23 is in sliding connection with the connecting blocks 22, a first bevel gear 24 is sleeved on the bottom of the screw rod 23, a second bevel gear 25 is engaged with one side of the first bevel gear 24, a gear seat 26 is further provided, the first bevel gear 24 and the second bevel gear 25 are both rotatably connected to the gear seat 26, the base 14 is provided at the bottom of the writing board 1, the two gear seats 26 are both and fixedly connected to the base 14, a rotating shaft 27 is inserted between the two second bevel gears 25, the rotating shaft 27 is fixedly connected to the second bevel gear 25, and a handle 28 is fixedly connected to one side of the rotating shaft 27. The tops of the two screw rods 23 are fixedly connected with a limiting block 13.

The implementation principle of the embodiment is as follows: before use, according to the height of a book, the lantern ring 73 is rotated, the lantern ring 73 drives the second connecting rod 72 in threaded connection to slide in the first connecting rod 71, the second connecting rod 72 drives the fixing plate 8 to move to a proper position and then stops rotating the lantern ring 73, the sliding rod 9 is pulled to drive the clamping piece 10 to move and drive the spring 11 to deform, the pull ring 12 is loosened after the book is placed on the fixing seat 6, the spring 11 restores the shape and drives the sliding rod 9 to slide, and the clamping piece 10 abuts against the book; when the book fixing device is used, the L-shaped rod 5 is pulled to drive the sliding block 4 to move in the sliding groove 3, and meanwhile, the book on the fixing seat 6 is driven to slide; after the use is finished, the pull ring 12 is pulled to drive the slide rod 9 to move, so that the clamping piece 10 is separated from the book, and the book is taken out.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A multi-functional teaching device for fixing, includes clipboard (1), its characterized in that: the writing board is characterized in that a supporting device (2) is arranged at the bottom of the writing board (1), a sliding groove (3) is formed in the writing board (1), a sliding block (4) is connected to the sliding groove (3) in a sliding mode, an L-shaped rod (5) is fixedly connected to the sliding block (4), the L-shaped rod (5) is far away from a fixing seat (6) fixedly connected to one side of the sliding block (4), two adjusting rods (7) are symmetrically arranged on two sides of the fixing seat (6), the adjusting rods (7) are fixedly connected with the fixing seat (6), a fixing plate (8) is fixedly connected to one side of the fixing seat (6) and far away from the adjusting rod (7), a sliding rod (9) is inserted into the fixing plate (8), the sliding rod (9) is slidably connected with the fixing plate (8), the sliding rod (9) is close to a clamping piece (10) fixedly connected to one side of the fixing seat (6), a spring (11) is sleeved on one side of the clamping piece (10), one end of the spring (11) is fixedly connected with the clamping piece (10), the other end of the spring (11) is fixedly connected with the fixing plate (8), and the sliding rod (9) is far away from one side of the clamping piece (10) and is fixedly connected with a pull ring (12).

2. A multi-functional teaching device for fixation of claim 1 wherein: the adjusting rod (7) comprises a first connecting rod (71), the first connecting rod (71) is fixedly connected with the fixing seat (6), the first connecting rod (71) is arranged in a hollow mode, the first connecting rod (71) is far away from an opening in one side of the fixing seat (6), a second connecting rod (72) is inserted into the first connecting rod (71), the second connecting rod (72) is slidably connected with the first connecting rod (71), the second connecting rod (72) is far away from one side of the first connecting rod (71) and fixedly connected with the fixing plate (8), a sleeve ring (73) is sleeved on the second connecting rod (72), the sleeve ring (73) is rotatably connected with the first connecting rod (71), an internal thread is arranged in the sleeve ring (73), and an external thread matched with the internal thread on the sleeve ring (73) is arranged on the second connecting rod (72), the lantern ring (73) is in threaded connection with the second connecting rod (72).

3. A multi-functional teaching device for fixation of claim 1 wherein: the supporting device (2) comprises two connecting pieces (21), the two connecting pieces (21) are respectively and fixedly connected to two sides of the protected writing board (1), screw rods (23) are inserted into the two connecting pieces (21), the screw rods (23) are in threaded connection with the connecting pieces (21), two connecting blocks (22) are fixedly connected to the bottom of the writing board (1), the two screw rods (23) respectively penetrate through the two connecting blocks (22), the screw rods (23) are in sliding connection with the connecting blocks (22), a first bevel gear (24) is sleeved at the bottom of each screw rod (23), a second bevel gear (25) is meshed at one side of each first bevel gear (24), a gear seat (26) is additionally arranged, the first bevel gear (24) and the second bevel gear (25) are both in rotating connection with the gear seat (26), a base (14) is arranged at the bottom of the writing board (1), two equal fixed connection in gear seat (26) is in on base (14), two pivot (27) are inserted between second bevel gear (25), pivot (27) with second bevel gear (25) fixed connection, pivot (27) one side fixedly connected with handle (28).

4. A multi-functional teaching device for fixation of claim 3 wherein: the tops of the two screw rods (23) are fixedly connected with a limiting block (13).

5. A multi-functional teaching device for fixation of claim 2 wherein: a plurality of anti-slip threads are arranged on the periphery of the lantern ring (73).