CN213458570U

CN213458570U - Think political affairs class course classroom document auxiliary teaching device

Info

Publication number: CN213458570U
Application number: CN202022707003.2U
Authority: CN
Inventors: 商文钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-15
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a classroom teaching technical field just discloses an think political affairs class course classroom document auxiliary teaching device, comprising a base plate, bottom plate lower surface four corners all is provided with the universal wheel, the first control rod of bottom plate upper surface left side fixedly connected with, bottom plate upper surface fixedly connected with back shaft, the back shaft upper surface rotates and is connected with the backup pad. This think supplementary teaching device of political affairs class course classroom literature, through setting up first pivot, second control rod and first connecting block, the first circle axle that makes the left and right sides can drive the second connecting block and the motion of second circle axle that drives the left and right sides respectively simultaneously, thereby make first locking axle can make things convenient for effectual and first card hole adaptation and separation, and then can be convenient fix and remove fixedly the annular plate, thereby the angle of regulation backup pad and teaching board that can be convenient, it is comparatively convenient to use, make the student know the knowledge on the teaching device comparatively comprehensively.

Description

Think political affairs class course classroom document auxiliary teaching device

Technical Field

The utility model relates to a classroom teaching technical field specifically is an think political affairs class course classroom literature auxiliary teaching device.

Background

Along with the development of society, political thinking teaching is more and more emphasized by society, political thinking lessons are courses focusing on mental training and behavior guidance, and teachers need to explain political thinking knowledge for students through an auxiliary teaching device; the show board of prior art's supplementary teaching device is mostly fixed motionless, can not be as required comparatively convenient turned angle, and the student can not know the knowledge on the teaching device comprehensively.

For example, chinese patent publication No. CN210155863U discloses an auxiliary teaching device for thinking class classroom documents, wherein the top end of a first support rod is connected with a frame through a bearing seat, the top end of a bearing is connected with a sleeve, second support rods are welded to two sides of the sleeve, and the two second support rods are welded to the top end of the frame, so as to increase the stability of the auxiliary teaching device, and facilitate the frame to be rotated to change the angle of the teaching device, so that students can see the teaching contents completely; through the frame after the threaded rod fixed regulation of screwing, adjusting threaded rod is comparatively wasted time and energy when in-service use to reduced teaching device's experience and felt, it is comparatively inconvenient to use, reduced the teaching quality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an think political affairs class course classroom literature auxiliary teaching device has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the supplementary teaching device for the speeches course classroom documents comprises a bottom plate, universal wheels are arranged at four corners of the lower surface of the bottom plate, a first operating lever is fixedly connected to the left side of the upper surface of the bottom plate, a supporting shaft is fixedly connected to the upper surface of the bottom plate, a supporting plate is rotatably connected to the upper surface of the supporting shaft, a supporting rod is fixedly connected to the lower surface of the supporting plate, an annular plate is fixedly connected to the bottom of the inner side surface of the supporting rod, a first clamping hole is formed in the lower surface of the annular plate, a first rotating shaft is inserted into the bottom of the outer surface of the supporting shaft, a second operating lever is fixedly connected to the outer surface of the first rotating shaft, a first connecting block is fixedly connected to each of the left side and the right side of the outer surface of the first rotating shaft, a first round shaft is inserted into, a second round shaft is inserted at the top of the inner side surface of the second connecting block, a first supporting block is fixedly connected to the outer surface of the supporting shaft, a first locking shaft is inserted at the inner side surface of the first supporting block, the inner side surface of the second round shaft is inserted with the bottom of the outer surface of the first locking shaft, a baffle is sleeved on the outer surface of the first locking shaft, a reset spring is sleeved on the outer surface of the first locking shaft, a teaching board is fixedly connected to the upper surface of the supporting board, a rectangular groove is formed on the right side surface of the teaching board, concave grooves are formed at the top and the bottom of the inner wall of the rectangular groove, a convex strip is arranged inside the concave groove, second clamping holes are formed on the left side and the right side of the upper surface of the convex strip positioned at the top, a slide rail is fixedly connected to the right side of the upper surface of the teaching board, a slide block is sleeved on the outer surface, the teaching board upper surface fixedly connected with second supporting shoe, the second pivot has been pegged graft to the second supporting shoe medial surface, both sides have all been cup jointed the transfer line around the second pivot surface, slider medial surface fixedly connected with transmission shaft, the second pivot surface has cup jointed the transmission worm wheel, teaching board upper surface right side rotates and is connected with the third pivot, the transmission worm has been cup jointed to the third pivot surface, transmission worm wheel and transmission worm meshing, surface fixedly connected with carousel in the third pivot, convex strip medial surface fixedly connected with display screen, display screen right flank fixedly connected with second handle.

Preferably, the first operating lever consists of a connecting rod and an operating handle, the outer surface of the operating handle is sleeved with an anti-slip mat, and the outer surface of the anti-slip mat is provided with well-shaped anti-slip lines.

Preferably, the outer surface of the second rotating shaft is fixedly connected with a rectangular block, and a structure formed by the second rotating shaft and the rectangular block is inserted into the front face of the transmission worm wheel.

Preferably, the inner diameter of the first locking shaft is matched with the inner diameter of the first clamping hole, the upper surface of the first locking shaft is subjected to rounding treatment, and the radius of the rounding is one millimeter.

Preferably, the right side of the front surface of the transmission rod is provided with a circular sliding groove matched with the transmission shaft, the width of the circular sliding groove is five millimeters, and the inner diameter of the transmission shaft is four-point five millimeters.

Preferably, the number of the universal wheels is four, the universal wheels are composed of a fixing frame, rolling shafts, rolling wheels and pressing blocks, and the rolling shafts are made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model provides an think political affairs class course classroom document auxiliary teaching device possesses following beneficial effect:

1. this think supplementary teaching device of political affairs class course classroom literature, through setting up first pivot, second control rod and first connecting block, the first circle axle that makes the left and right sides can drive the second connecting block and the motion of second circle axle that drives the left and right sides respectively simultaneously, thereby make first locking axle can make things convenient for effectual and first card hole adaptation and separation, and then can be convenient fix and remove fixedly the annular plate, thereby the angle of regulation backup pad and teaching board that can be convenient, it is comparatively convenient to use, make the student know the knowledge on the teaching device comparatively comprehensively.

2. This think supplementary teaching device of political affairs class course classroom literature, through setting up the transfer line, second pivot and drive worm, make the transmission shaft can stabilize effectual drive slider, transmission frame and second locking axle carry out elevating movement along the orbit of slide rail to can be comparatively convenient stable messenger second locking axle and second card hole separation and adaptation, not only make the display screen accomodate the back more stable, still make can more stable teaching after the display screen stretches out, the practicality of teaching device has been improved greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the locking structure of the present invention;

fig. 4 and 5 are schematic views of a part of the structure of the present invention.

In the figure: 1. a base plate; 2. a universal wheel; 3. a first joystick; 4. a support shaft; 5. a support plate; 6. a support bar; 7. an annular plate; 8. a first card hole; 9. a first rotating shaft; 10. a second joystick; 11. a first handle; 12. a first connection block; 13. a first circular shaft; 14. a second connecting block; 15. a second circular shaft; 16. a first support block; 17. a first locking shaft; 18. a baffle plate; 19. a return spring; 20. a teaching board; 21. a rectangular groove; 22. a concave groove; 23. a convex strip; 24. a second card hole; 25. a slide rail; 26. a slider; 27. a transmission frame; 28. a second lock shaft; 29. a second support block; 30. a second rotating shaft; 31. a transmission rod; 32. a drive shaft; 33. a drive worm gear; 34. a third rotating shaft; 35. a drive worm; 36. a turntable; 37. a display screen; 38. a second handle.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an auxiliary teaching device for class-class courses and classroom documents of thinking and political affairs comprises a bottom plate 1, universal wheels 2 are arranged at four corners of the lower surface of the bottom plate 1, a first operating lever 3 is fixedly connected to the left side of the upper surface of the bottom plate 1, a supporting shaft 4 is fixedly connected to the upper surface of the bottom plate 1, a supporting plate 5 is rotatably connected to the upper surface of the supporting shaft 4, a supporting rod 6 is fixedly connected to the lower surface of the supporting plate 5, an annular plate 7 is fixedly connected to the bottom of the inner side surface of the supporting rod 6, a first clamping hole 8 is formed in the lower surface of the annular plate 7, a first rotating shaft 9 is inserted into the bottom of the outer surface of the supporting shaft 4, a second operating lever 10 is fixedly connected to the outer surface of the first rotating shaft 9, a first handle 11 is fixedly connected to the outer surface of the second operating lever 10, first connecting blocks 12, the top of the inner side of the second connecting block 14 is inserted with a second round shaft 15, the outer surface of the supporting shaft 4 is fixedly connected with a first supporting block 16, the inner side of the first supporting block 16 is inserted with a first locking shaft 17, the inner side of the second round shaft 15 is inserted with the bottom of the outer surface of the first locking shaft 17, the outer surface of the first locking shaft 17 is sleeved with a baffle 18, the outer surface of the first locking shaft 17 is sleeved with a reset spring 19, the upper surface of the supporting plate 5 is fixedly connected with a teaching board 20, by arranging a first rotating shaft 9, a second operating lever 10 and a first connecting block 12, the first round shafts 13 on the left side and the right side can simultaneously drive the second connecting block 14 and the second round shaft 15 on the left side and the right side to move respectively, so that the first locking shaft 17 can be conveniently and effectively matched and separated with the first clamping hole 8, and further the annular plate 7 can be conveniently fixed and released, and the angle of the supporting plate 5 and the, the teaching board is convenient to use, so that students can comprehensively understand knowledge on the teaching device, the right side surface of the teaching board 20 is provided with a rectangular groove 21, the top and the bottom of the inner wall of the rectangular groove 21 are both provided with concave grooves 22, the inside of the concave groove 22 is provided with convex strips 23, the left and the right sides of the upper surface of the convex strips 23 positioned at the top are both provided with second clamping holes 24, the right side of the upper surface of the teaching board 20 is fixedly connected with a slide rail 25, the outer surface of the slide rail 25 is sleeved with a slide block 26, the right side surface of the slide block 26 is fixedly connected with a transmission frame 27, the right side of the upper surface of the transmission frame 27 is inserted with a second locking shaft 28, the upper surface of the teaching board 20 is fixedly connected with a second supporting block 29, the inner side surface of the second supporting block 29 is inserted with a second rotating shaft 30, the front and back sides of the, the right side of the upper surface of the teaching board 20 is rotatably connected with a third rotating shaft 34, the outer surface of the third rotating shaft 34 is sleeved with a transmission worm 35, a transmission worm wheel 33 is meshed with the transmission worm 35, the upper surface of the third rotating shaft 34 is fixedly connected with a turntable 36, the inner side surface of the convex strip 23 is fixedly connected with a display screen 37, through the arrangement of the transmission rod 31, the second rotating shaft 30 and the transmission worm 35, the transmission shaft 32 can stably and effectively drive the sliding block 26, the transmission frame 27 and the second locking shaft 28 to perform lifting motion along the track of the sliding rail 25, thereby can be comparatively convenient stable messenger second locking axle 28 and the separation of second card hole 24 and adaptation, not only make display screen 37 accomodate the back more stable, still make can be more stable behind the display screen 37 stretches out and teach, improved teaching device's practicality greatly, the model of display screen 37 is P3, display screen 37 right side fixedly connected with second handle 38.

The utility model discloses in, for more convenient controlling first control rod 3, consequently set up first control rod 3 and constitute by the connecting rod with control the handle, and control the handle surface and cup jointed the slipmat, the slipmat surface is provided with well shape anti-skidding line, and well shape anti-skidding line has increased the frictional force between palm and the control handle, has improved the convenience of controlling first control rod 3.

The utility model discloses in, in order to make the drive second pivot 30 that transmission worm wheel 33 can be stable rotate, consequently at the 30 outer fixed surface of second pivot rectangular block that is connected with, and the structure that second pivot 30 and rectangular block become openly pegs graft with transmission worm wheel 33, the rectangular block has improved the stability of transmission worm wheel 33 with the linkage of second pivot 30.

The utility model discloses in, in order to make the locking to annular plate 7 that first locking axle 17 can be convenient, consequently set up first locking axle 17 internal diameter and first calorie of 8 internal diameter looks adaptations, and first locking axle 17 upper surface is the radius and handles, and the radius of radius is a millimeter, and the convenience of first locking axle 17 with first calorie of 8 adaptations has been improved in the radius processing.

The utility model discloses in, in order to make the drive transmission shaft 32 motion that the transfer line 31 can be convenient, consequently set up the circular spout with transmission shaft 32 looks adaptation on the positive right side of transfer line 31, and the width of circular spout is five millimeters, and the internal diameter of transmission shaft 32 is four-point five millimeters, and circular spout has improved the convenience of transfer line 31 with the linkage of transmission shaft 32.

The utility model discloses in, in order to can be convenient fix bottom plate 1, the quantity that consequently sets up universal wheel 2 is four groups, and universal wheel 2 comprises mount, roller bearing, gyro wheel and briquetting, and the material of roller bearing is the stainless steel, and the restriction gyro wheel that the briquetting can be convenient removes, has improved the convenience fixed to bottom plate 1.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the teaching board is used, firstly, the first handle 11 is held, the first handle 11 drives the second operating lever 10 to rotate clockwise by taking the circle center of the first rotating shaft 9 as the center, the first rotating shaft 9 drives the first connecting block 12 and the first round shaft 13 to rotate clockwise, the first round shaft 13 drives the second connecting block 14 and the second round shaft 15 to rotate clockwise, the inner side surface of the second round shaft 15 is inserted with the bottom of the outer surface of the first locking shaft 17, so that the first locking shaft 17 moves downwards to be separated from the first clamping hole 8 to release the fixing of the annular board 7, then the support plate 5 drives the teaching board 20 to rotate clockwise, after the teaching board 20 rotates thirty degrees clockwise, the first handle 11 is released, the first locking shaft 17 moves upwards under the elastic action of the return spring 19 to be matched with the first clamping hole 8 to fix the annular board 7, so that the teaching board 20 is fixed, then the rotating disc 36 is rotated clockwise, the rotating disc 36 drives the third rotating shaft 34 and the transmission worm 35 to rotate clockwise, the transmission worm 35 is engaged with the transmission worm wheel 33 for transmission, so that the transmission worm wheel 33 drives the second rotating shaft 30 and the transmission rod 31 to rotate anticlockwise, the right side of the front surface of the transmission rod 31 is provided with a circular chute matched with the transmission shaft 32, so that the transmission shaft 32 drives the sliding block 26 and the transmission frame 27 to move upwards along the track of the sliding rail 25, so that the driving bracket 27 drives the second locking shaft 28 to move upward to be separated from the second locking hole 24 positioned at the right side, then, the display screen 37 is drawn out by holding the second handle 38, the display screen 37 drives the convex strip 23 to move rightwards along the track of the concave groove 22, when the center of the second catching hole 24 positioned at the left side coincides with the center of the second locking shaft 28 in the vertical direction, the dial 36 is rotated counterclockwise so that the second locking shaft 28 moves downward to be fitted into the second locking hole 24 at the left side to fix the convex bar 23 at the top, and finally, teaching work is performed.

To sum up, this think of supplementary teaching device of political affairs class course classroom literature, through setting up first pivot 9, second control rod 10 and first connecting block 12, make the first circle axle 13 of the left and right sides can drive the second connecting block 14 and the 15 motion of second circle axle that drive the left and right sides respectively simultaneously, thereby make first locking axle 17 can make things convenient for effectual and first calorie of hole 8 adaptation and separation, and then can be convenient fix annular plate 7 and remove fixedly, thereby the angle of regulation backup pad 5 and teaching board 20 that can be convenient, it is comparatively convenient to use, make the student know the knowledge on the teaching device comparatively comprehensively.

This think supplementary teaching device of political affairs class classroom literature, through setting up transfer line 31, second pivot 30 and drive worm 35, make transmission shaft 32 can stabilize effectual drive slider 26, driving frame 27 and second locking shaft 28 carry out elevating movement along the orbit of slide rail 25, thereby can be comparatively convenient stable make second locking shaft 28 and second card hole 24 separation and adaptation, it is more stable not only to make display screen 37 accomodate the back, still make can be more stable teaching after display screen 37 stretches out, the practicality of teaching device has been improved greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an think political affairs class course classroom document auxiliary teaching device, includes bottom plate (1), its characterized in that: the four corners of the lower surface of the bottom plate (1) are respectively provided with a universal wheel (2), the left side of the upper surface of the bottom plate (1) is fixedly connected with a first operating lever (3), the upper surface of the bottom plate (1) is fixedly connected with a supporting shaft (4), the upper surface of the supporting shaft (4) is rotatably connected with a supporting plate (5), the lower surface of the supporting plate (5) is fixedly connected with a supporting rod (6), the bottom of the inner side surface of the supporting rod (6) is fixedly connected with a ring-shaped plate (7), the lower surface of the ring-shaped plate (7) is provided with a first clamping hole (8), the bottom of the outer surface of the supporting shaft (4) is spliced with a first rotating shaft (9), the outer surface of the first rotating shaft (9) is fixedly connected with a second operating lever (10), the outer surface of the second operating lever (10) is, the top of the inner side face of the first connecting block (12) is spliced with a first round shaft (13), the outer surface of the first round shaft (13) is sleeved with a second connecting block (14), the top of the inner side face of the second connecting block (14) is spliced with a second round shaft (15), the outer surface of the supporting shaft (4) is fixedly connected with a first supporting block (16), the inner side face of the first supporting block (16) is spliced with a first locking shaft (17), the inner side face of the second round shaft (15) is spliced with the bottom of the outer surface of the first locking shaft (17), the outer surface of the first locking shaft (17) is sleeved with a baffle (18), the outer surface of the first locking shaft (17) is sleeved with a return spring (19), the upper surface of the supporting plate (5) is fixedly connected with a teaching plate (20), the right side face of the teaching plate (20) is provided with a rectangular groove (21), the top and the bottom of the inner wall of the rectangular groove (21, the teaching board is characterized in that a convex strip (23) is arranged in the concave groove (22), second clamping holes (24) are formed in the left side and the right side of the upper surface of the convex strip (23) at the top, a slide rail (25) is fixedly connected to the right side of the upper surface of the teaching board (20), a slide block (26) is sleeved on the outer surface of the slide rail (25), a transmission frame (27) is fixedly connected to the right side of the slide block (26), a second locking shaft (28) is inserted in the right side of the upper surface of the transmission frame (27), a second supporting block (29) is fixedly connected to the upper surface of the teaching board (20), a second rotating shaft (30) is inserted in the inner side of the second supporting block (29), transmission rods (31) are sleeved on the front side and the rear side of the outer surface of the second rotating shaft (30), a transmission shaft (32) is fixedly connected, teaching board (20) upper surface right side is rotated and is connected with third pivot (34), transmission worm (35) have been cup jointed to third pivot (34) surface, transmission worm wheel (33) and transmission worm (35) meshing, fixed surface is connected with carousel (36) on third pivot (34), convex strip (23) medial surface fixedly connected with display screen (37), display screen (37) right side fixedly connected with second handle (38).

2. The device for assisting teaching of ideological and political course classroom documents as claimed in claim 1, wherein: the first control rod (3) is composed of a connecting rod and a control handle, an anti-slip mat is sleeved on the outer surface of the control handle, and well-shaped anti-slip grains are arranged on the outer surface of the anti-slip mat.

3. The device for assisting teaching of ideological and political course classroom documents as claimed in claim 1, wherein: the outer surface of the second rotating shaft (30) is fixedly connected with a rectangular block, and a structure formed by the second rotating shaft (30) and the rectangular block is inserted into the front face of the transmission worm wheel (33).

4. The device for assisting teaching of ideological and political course classroom documents as claimed in claim 1, wherein: the inner diameter of the first locking shaft (17) is matched with the inner diameter of the first clamping hole (8), the upper surface of the first locking shaft (17) is subjected to rounding treatment, and the radius of the rounding is one millimeter.

5. The device for assisting teaching of ideological and political course classroom documents as claimed in claim 1, wherein: the right side of the front face of the transmission rod (31) is provided with a circular sliding groove matched with the transmission shaft (32), the width of the circular sliding groove is five millimeters, and the inner diameter of the transmission shaft (32) is four points and five millimeters.

6. The device for assisting teaching of ideological and political course classroom documents as claimed in claim 1, wherein: the number of universal wheels (2) is four, and universal wheels (2) comprise mount, roller bearing, gyro wheel and briquetting, and the material of roller bearing is the stainless steel.