CN213518815U

CN213518815U - Chinese language and literature education contrast explanation board

Info

Publication number: CN213518815U
Application number: CN202022870770.5U
Authority: CN
Inventors: 张媛
Original assignee: Hohhot vocational college
Current assignee: Hohhot vocational college
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-22
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a teaching technical field just discloses a chinese language and literature education contrast explanation board, comprising a base plate, the equal fixedly connected with universal brake wheel in four corners of bottom plate lower surface, the equal fixedly connected with sleeve in the left and right sides of bottom plate upper surface, it has the support column to peg graft at the middle part of sleeve upper surface, the top fixedly connected with framework of support column. This chinese language and literature education contrast explanation board, wave hand round through the user, make hand round drive the transmission shaft and rotate, the transmission shaft drives drive gear and rotates, drive gear drives the pinion rack and carries out longitudinal movement, the pinion rack drives the worker's shape board and carries out longitudinal movement, the worker's shape board inclines through even board drive first plate body, first plate body drives the second plate body and inclines, the regulation to first plate body and second plate body inclination has been realized, make the user adjust the inclination of first plate body and second plate body according to the user demand, user's use has been made things convenient for.

Description

Chinese language and literature education contrast explanation board

Technical Field

The utility model relates to a teaching technical field specifically is a chinese language and literature education contrast explanation board.

Background

The Chinese language and literature education major is a Chinese major, is a teaching and model direction of the Chinese language and literature major, also called Chinese language and literature (teaching and model), belongs to the Chinese language and literature major, and belongs to the teaching and model major, mainly cultures the basic theory, basic knowledge and basic skill of Chinese language and literature, can be competent in the teacher of Chinese teaching and research, teaching research and teaching management personnel and other education workers or word workers in the middle school in 21 century, needs to use a contrast explanation board in Chinese language and literature education, but the contrast explanation board in the prior art has a simple structure, can not adjust the inclination angle of the adjustment board, when writing, the teacher must change the posture with how much of writing, or squat or bend, is inconvenient to use, and can not realize contrast teaching, the auxiliary teaching effect is not ideal.

For example, chinese patent application nos.: a novel chinese language and literature education contrast explanation board provided in CN207302403U, which is described as follows: the utility model has the advantages that the angle of the explanation version and the height away from the teacher can be adjusted when the teacher uses the novel teaching board through the arrangement of the rotating shaft and the sliding track, the wrist force is saved, the writing is convenient, the height of the first board body is adjusted through the arrangement of the hydraulic rod, the use habits of different teacher habits can be adjusted, the efficiency is improved, and the teaching board can be used for comparison teaching by sleeving the second board body in the first board body and pulling out the teaching board body when in use; however, although the utility model can adjust the inclination angle of the explaining plate, the adjusted angle is smaller, the limitation is larger, and the practicability is poorer.

Therefore, the inventor provides a Chinese language and literature education contrast explanation board with the experience of design development and actual manufacturing abundant in the related industry for years, researches and improves the existing structure and deficiency, and aims to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a chinese language and literature education contrast explanation board has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a Chinese language and literature education contrast explanation plate comprises a bottom plate, universal brake wheels are fixedly connected to four corners of the lower surface of the bottom plate, sleeves are fixedly connected to the left side and the right side of the upper surface of the bottom plate, support columns are inserted into the middles of the upper surfaces of the sleeves, a frame body is fixedly connected to the top ends of the support columns, push rod motors are arranged on the left side and the right side of the upper surface of the bottom plate, output ends of the push rod motors are fixedly connected with the lower surface of the frame body, connecting shafts are arranged on the front sides of the inner wall on the left side and the inner wall on the right side of the frame body, a first plate body is sleeved on the outer surface of each connecting shaft, support plates are fixedly connected to the front side and the rear side of the upper surface of each first plate body, guide columns are fixedly connected to the tops, the inner sliding connection of the frame body is provided with an I-shaped plate, the left side and the right side of the upper surface of the I-shaped plate and the left side and the right side of the inner wall of the top of the first plate body are both fixedly connected with hinged plates, the inner side of the hinged plates is provided with connecting columns, the middle part of the outer surface of the connecting columns is sleeved with a connecting plate, the middle part of the back of the I-shaped plate is fixedly connected with a toothed plate, the rear side of the upper surface of the frame body is fixedly connected with a first mounting plate, the bottom of the left side surface of the first mounting plate on the left side is rotatably connected with a transmission shaft, the right end of the transmission shaft is fixedly connected with a hand wheel, the middle part of the outer surface of the transmission shaft is sleeved with a transmission gear, the rear side of the upper surface of the frame body, the middle part fixedly connected with fixture block of arc fixed plate lower surface, return spring has been cup jointed to the surface of dead lever.

Preferably, the middle part of the back surface of the frame body is provided with a notch, and the width of the notch is one point eight times of the width of the toothed plate.

Preferably, the middle part of the inner wall of the bottom of the groove is provided with a square sliding groove, and the middle part of the lower surface of the toothed plate is fixedly connected with a square sliding plate.

Preferably, the right side of the outer surface of the transmission shaft is provided with a positioning groove, and the inner diameter of the positioning groove is matched with the outer diameter of the clamping block.

Preferably, the outer surface of hand round handle is provided with the parcel layer, and the surface of parcel layer is provided with anti-skidding line.

Preferably, a through groove is formed in the rear side of the upper surface of the second mounting plate, and the inner diameter of the through groove is matched with the outer diameter of the fixing rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a chinese language and literature education contrast explanation board possesses following beneficial effect:

1. this chinese language and literature education contrast explanation board, wave hand round through the user, make hand round drive the transmission shaft and rotate, the transmission shaft drives drive gear and rotates, drive gear drives the pinion rack and carries out longitudinal movement, the pinion rack drives the worker's shape board and carries out longitudinal movement, the worker's shape board inclines through even board drive first plate body, first plate body drives the second plate body and inclines, the regulation to first plate body and second plate body inclination has been realized, make the user adjust the inclination of first plate body and second plate body according to the user demand, user's use has been made things convenient for.

2. This chinese language and literature education contrast explanation board, the flexible drive framework that drives of output through the push rod motor goes up and down, make the framework drive first plate body and second plate body and go up and down, realized the regulation to first plate body and second plate body height, make the user can adjust the height of first plate body and second plate body according to the user demand, make contrast explanation board can satisfy different height users' user demand, the application range of contrast explanation board has been increased, the practicality of contrast explanation board has been improved.

Drawings

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

FIG. 2 is a schematic vertical sectional view of the local structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1. a base plate; 2. a universal brake wheel; 3. a sleeve; 4. a support pillar; 5. a frame body; 6. a push rod motor; 7. a connecting shaft; 8. a first plate body; 9. a support plate; 10. a guide post; 11. a fixing hoop; 12. a second plate body; 13. a I-shaped plate; 14. a hinge plate; 15. connecting plates; 16. a toothed plate; 17. a first mounting plate; 18. a drive shaft; 19. a hand-operated wheel; 20. a transmission gear; 21. a second mounting plate; 22. fixing the rod; 23. an adjusting block; 24. an arc-shaped fixing plate; 25. and a return spring.

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. 1-3, the present invention provides a technical solution: a Chinese language and literature education contrast explanation plate comprises a bottom plate 1, universal brake wheels 2 are fixedly connected to four corners of the lower surface of the bottom plate 1, sleeves 3 are fixedly connected to the left and right sides of the upper surface of the bottom plate 1, support columns 4 are inserted into the middle parts of the upper surfaces of the sleeves 3, frame bodies 5 are fixedly connected to the top ends of the support columns 4, push rod motors 6 are arranged on the left and right sides of the upper surface of the bottom plate 1, the types of the push rod motors 6 are LAP25, the frame bodies 5 are driven to ascend and descend through the expansion of the output ends of the push rod motors 6, so that the frame bodies 5 drive a first plate body 8 and a second plate body 12 to ascend and descend, the height of the first plate body 8 and the height of the second plate body 12 can be adjusted according to the use requirements of users, the contrast explanation plate can meet the use requirements of users with different heights, and the use range of the contrast explanation plate is, the practicability of the contrast explanation board is improved, the output end of the push rod motor 6 is fixedly connected with the lower surface of the frame body 5, the front sides of the left inner wall and the right inner wall of the frame body 5 are respectively provided with a connecting shaft 7, the outer surface of the connecting shaft 7 is sleeved with a first board body 8, the front side and the rear side of the upper surface of the first board body 8 are respectively fixedly connected with a support board 9, the top of the inner side surface of the support board 9 is fixedly connected with a guide pillar 10, the outer surface of the guide pillar 10 is sleeved with a fixed hoop 11, the inner side of the outer surface of the fixed hoop 11 is fixedly connected with a second board body 12, the inner part of the frame body 5 is slidably connected with an I-shaped board 13, the left side and the right side of the upper surface of the I-shaped board 13 and the left side and the right side of the inner wall at the, the rear side of the upper surface of the frame body 5 is fixedly connected with a first mounting plate 17, the bottom of the left side surface of the first mounting plate 17 on the left side is rotatably connected with a transmission shaft 18, the right end of the transmission shaft 18 is fixedly connected with a hand-operated wheel 19, the hand-operated wheel 19 is shaken by a user to drive the transmission shaft 18 to rotate, the transmission shaft 18 drives a transmission gear 20 to rotate, the transmission gear 20 drives a toothed plate 16 to longitudinally move, the toothed plate 16 drives an I-shaped plate 13 to longitudinally move, the I-shaped plate 13 drives a first plate body 8 to incline through a connecting plate 15, the first plate body 8 drives a second plate body 12 to incline, the inclination angles of the first plate body 8 and the second plate body 12 can be adjusted by the user according to the use requirement, the use of the user is facilitated, the transmission gear 20 is sleeved in the middle of the outer surface of the transmission shaft 18, the rear side fixedly connected with second mounting panel 21 of framework 5 upper surface, the rear side of second mounting panel 21 upper surface has pegged graft dead lever 22, the top fixedly connected with regulating block 23 of dead lever 22, the bottom fixedly connected with arc fixed plate 24 of dead lever 22, the middle part fixedly connected with fixture block of arc fixed plate 24 lower surface, return spring 25 has been cup jointed to the surface of dead lever 22.

The utility model discloses a realize the regulation to first plate body 8 and second plate body 12 inclination, consequently offered the fluting at the middle part at the 5 backs of framework, the notched width is one point eight times of 16 widths of pinion rack, when the inclination to first plate body 8 and second plate body 12 is adjusted, pinion rack 16 removes in the inside of fluting.

The utility model discloses a realize the regulation to first plate body 8 and second plate body 12 inclination, consequently offered square spout at the middle part of the inner wall of fluting bottom, the square slide of middle part fixedly connected with of 16 lower surfaces of pinion rack when adjusting the inclination of first plate body 8 and second plate body 12, square slide slides in the inside of square spout.

The utility model discloses a realize the fixed of transmission shaft 18, consequently seted up the constant head tank on the right side of 18 surfaces of transmission shaft, the internal diameter of constant head tank and the external diameter looks adaptation of fixture block, the fixture block passes through constant head tank and 18 joints of transmission shaft, has realized the fixed of transmission shaft 18.

The utility model discloses adjust the inclination of first plate body 8 and second plate body 12 for the convenience of the user, consequently be provided with the parcel layer at the surface of hand wheel 19 handle, the surface of parcel layer is provided with anti-skidding line, and the parcel layer has increased the frictional force between user's palm and the handle, has reduced the probability that the phenomenon of taking off the hand appears, has made things convenient for the user to adjust the inclination of first plate body 8 and second plate body 12.

The utility model discloses a realize the regulation to 24 fixed states of arc fixed plate, consequently open at the rear side of second mounting panel 21 upper surface and be equipped with logical groove, the internal diameter that leads to the groove and the external diameter looks adaptation of dead lever 22, when adjusting the fixed state of arc fixed plate 24, dead lever 22 removes in the inside that leads to the groove.

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 device is used, a user adjusts the heights of the first plate body 8 and the second plate body 12 according to the use requirement, the push rod motor 6 is started, the output end of the push rod motor 6 stretches and retracts to drive the frame body 5 to lift, the frame body 5 drives the first plate body 8 and the second plate body 12 to lift, the adjustment of the heights of the first plate body 8 and the second plate body 12 is realized, when the inclination angles of the first plate body 8 and the second plate body 12 need to be adjusted, the user pulls the fixing rod 22 upwards through the adjusting block 23, the fixing rod 22 drives the arc-shaped fixing plate 24 to move upwards, the fixing of the arc-shaped fixing plate 24 to the transmission shaft 18 is cancelled, after the cancellation, the user shakes the hand wheel 19, the hand wheel 19 rotates to drive the transmission shaft 18 to rotate, the transmission shaft 18 drives the transmission gear 20 to rotate, the transmission gear 20 drives the toothed plate 16 to move longitudinally, the worker's shaped plate 13 drives first plate body 8 through even board 15 and inclines, and first plate body 8 drives second plate body 12 and inclines, has realized the regulation to first plate body 8 and second plate body 12 inclination, and the back of finishing is adjusted, loosens regulating block 23, and arc fixed plate 24 fixes transmission shaft 18 under return spring 25's effect.

In conclusion, this chinese language and literature education contrast explanation board, wave hand round 19 through the user, make hand round 19 drive transmission shaft 18 and rotate, transmission shaft 18 drives transmission gear 20 and rotates, transmission gear 20 drives pinion rack 16 and carries out longitudinal movement, pinion rack 16 drives worker's shaped plate 13 and carries out longitudinal movement, worker's shaped plate 13 drives first plate body 8 through even board 15 and inclines, first plate body 8 drives second plate body 12 and inclines, realized the regulation to first plate body 8 and second plate body 12 inclination, make the user adjust the inclination of first plate body 8 and second plate body 12 according to the user demand, user's use has been made things convenient for.

This chinese language and literature education contrast explanation board, the flexible framework 5 that drives of output through push rod motor 6 goes up and down, make framework 5 drive first plate body 8 and second plate body 12 go up and down, the regulation to first plate body 8 and second plate body 12 height has been realized, make the user can adjust the height of first plate body 8 and second plate body 12 according to the user demand, make contrast explanation board can satisfy different height users' user demand, the application range of contrast explanation board has been increased, the practicality of contrast explanation board has been improved.

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 a chinese language and literature education contrast explanation board, includes bottom plate (1), its characterized in that: the four corners of the lower surface of the bottom plate (1) are fixedly connected with universal brake wheels (2), the left side and the right side of the upper surface of the bottom plate (1) are fixedly connected with sleeves (3), the middle part of the upper surface of the sleeves (3) is spliced with a support column (4), the top end of the support column (4) is fixedly connected with a frame body (5), the left side and the right side of the upper surface of the bottom plate (1) are respectively provided with a push rod motor (6), the output end of the push rod motor (6) is fixedly connected with the lower surface of the frame body (5), the front sides of the left inner wall and the right inner wall of the frame body (5) are respectively provided with a connecting shaft (7), the outer surface of the connecting shaft (7) is sleeved with a first plate body (8), the front side and the rear side of the upper surface of the first plate body (8), the outer surface of the guide post (10) is sleeved with a fixed hoop (11), the inner side of the outer surface of the fixed hoop (11) is fixedly connected with a second plate body (12), the inner sliding connection of the frame body (5) is provided with an I-shaped plate (13), the left side and the right side of the upper surface of the I-shaped plate (13) and the left side and the right side of the inner wall of the top of the first plate body (8) are fixedly connected with hinged plates (14), the inner side of each hinged plate (14) is provided with a connecting column, the middle part of the outer surface of the connecting column is sleeved with a connecting plate (15), the middle part of the back of the I-shaped plate (13) is fixedly connected with a toothed plate (16), the rear side of the upper surface of the frame body (5) is fixedly connected with a first mounting plate (17), the bottom of the left side of the first mounting, drive gear (20) have been cup jointed at the middle part of transmission shaft (18) surface, rear side fixedly connected with second mounting panel (21) of framework (5) upper surface, the rear side of second mounting panel (21) upper surface has been pegged graft and has been had dead lever (22), the top fixedly connected with regulating block (23) of dead lever (22), the bottom fixedly connected with arc fixed plate (24) of dead lever (22), the middle part fixedly connected with fixture block of arc fixed plate (24) lower surface, return spring (25) have been cup jointed to the surface of dead lever (22).

2. The chinese language and literature education contrast explanation board according to claim 1, characterized in that: the middle of the back of the frame body (5) is provided with a slot, and the width of the slot is one point eight times of that of the toothed plate (16).

3. The chinese language and literature education contrast explanation board according to claim 2, characterized in that: the middle part of the inner wall of the bottom of the groove is provided with a square sliding groove, and the middle part of the lower surface of the toothed plate (16) is fixedly connected with a square sliding plate.

4. The chinese language and literature education contrast explanation board according to claim 1, characterized in that: the right side of the outer surface of the transmission shaft (18) is provided with a positioning groove, and the inner diameter of the positioning groove is matched with the outer diameter of the clamping block.

5. The chinese language and literature education contrast explanation board according to claim 1, characterized in that: the outer surface of the handle of the hand-operated wheel (19) is provided with a wrapping layer, and the outer surface of the wrapping layer is provided with anti-skid grains.

6. The chinese language and literature education contrast explanation board according to claim 1, characterized in that: a through groove is formed in the rear side of the upper surface of the second mounting plate (21), and the inner diameter of the through groove is matched with the outer diameter of the fixing rod (22).