CN212990420U

CN212990420U - Display board for international business teaching

Info

Publication number: CN212990420U
Application number: CN202021970415.9U
Authority: CN
Inventors: 肖婧
Original assignee: Guizhou University of Finance and Economics
Current assignee: Guizhou University of Finance and Economics
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-16
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a show board that international business affairs teaching was used, including main part support, axis of rotation and hand wheel, the upper portion fixed mounting of main part support has the panel, and there is fixed mounting the fixed plate on the main part support below of panel to the spout has all been seted up on the outer wall of fixed plate and main part support, axis of rotation movable mounting is on the fixed plate, and the first transmission gear of fixedly connected with in the axis of rotation to the avris movable mounting of first transmission gear has the connecting gear, and fixed mounting has second drive gear on the connecting gear, second drive gear's avris movable mounting has the rack. This show board that international business affairs teaching was used has realized having saved the time to the holistic cleaning of show board, has improved efficiency and has also reduced user's intensity of labour, and the people of convenient different heights use, can also reduce the dust simultaneously and improve user's operational environment, has reduced the influence to air circumstance.

Description

Display board for international business teaching

Technical Field

The utility model relates to a show board technical field specifically is a show board that international business affairs teaching was used.

Background

The display board that international business teaching used is the instrument that mr's teaching was used, and the expression content of spoken language is always limited in the teaching in-process, when faced complicated problem, describes often to be difficult to understand only through spoken language, just needs help understanding through the mode of writing this moment, and the display board is one kind and writes the carrier.

However, the display board used in the current international business teaching has the following problems:

1. when the characters need to be erased on the display board, the time is wasted by manually searching the writing positions one by one for erasing, the labor intensity of a user is improved, and some people with shorter heights are often difficult to erase the raised characters due to the difference of the heights of the human bodies;

2. the chalk writing process usually generates dust, so that a person to be wiped inhales the chalk, the chalk is not beneficial to human health, the dust is diffused to the periphery, the quality of air is affected, and the chalk is fine and can float in the air for a long time.

Aiming at the problems, innovative design is urgently needed on the basis of the display board used in the original international business teaching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a show board that international business affairs teaching was used to solve above-mentioned background art and propose current show board and improved user's intensity of labour, moreover because the difference of human height, the shorter people of some heights often is difficult to wipe the characters of height, cleans the in-process and often can produce the dust and still can produce the problem of influence to diffusion on every side to air quality.

In order to achieve the above object, the utility model provides a following technical scheme: a display board used for international business teaching comprises a main body support, a rotating shaft and a hand wheel, wherein the upper part of the main body support is fixedly provided with a display board, a fixed plate fixedly arranged on the main body support is arranged below the display board, the outer walls of the fixed plate and the main body support are respectively provided with a sliding groove, the rotating shaft is movably arranged on the fixed plate, a first transmission gear is fixedly connected on the rotating shaft, a connecting gear is movably arranged at the side of the first transmission gear, a second transmission gear is fixedly arranged on the connecting gear, a rack is movably arranged at the side of the second transmission gear, the upper end of the rack is fixedly connected with a wiping plate, sliding blocks are fixedly connected with the side wall of the lower end of the rack and the two ends of the wiping plate, the sliding blocks respectively form a clamping sliding mechanism with the sliding grooves on the fixed plate and the main body support, the lower, and the other end of the connecting rod is fixedly provided with a push rod which is movably arranged inside the water cylinder, the water cylinder is fixedly arranged on the fixed plate, and the side wall of the lower end of the water cylinder is fixedly connected with a drain pipe, and the end part of the drain pipe is movably provided with a water plug, meanwhile, the upper end surface of the water cylinder is fixedly provided with a water delivery pipe which is arranged inside the wiping plate, a water outlet pipe is fixedly arranged on the water delivery pipe and penetrates through the wiping plate, a roller is fixedly arranged at the end part of a rotating shaft fixedly connected with the first transmission gear, and one end of a belt is movably arranged on the roller, the other end of the belt is movably arranged on the roller on the side of the main body bracket, the roller is fixedly connected on the rotating shaft on the side of the main body bracket, and meanwhile, the rotating shaft is movably arranged on the side wall of the main body support, and the hand wheel is fixedly arranged on the rotating shaft at the side of the main body support.

Preferably, the main body support is provided with 2 symmetrical sliding grooves, and the central position of a fixing plate arranged below the main body support is provided with the sliding grooves.

Preferably, the circle centers of the first transmission gear, the connecting gear and the second transmission gear are in the same plane, and the first transmission gear and the connecting gear form a meshing relationship.

Preferably, the second transmission gear is an incomplete gear having a central angle of 140 °, and the second transmission gear is provided with 2.

Preferably, 2 opposite side walls of the rack are provided with tooth blocks, the tooth blocks are symmetrical, and the length of the rack is longer than the width of the display plate.

Preferably, the water pipe is made of elastic materials, water outlet pipes are distributed on the water pipe at equal intervals, and the push rod is attached to the inner wall of the water barrel.

Compared with the prior art, the beneficial effects of the utility model are that: this show board that international business affairs teaching was used has realized having saved the time to the holistic cleaning of show board, has improved efficiency and has also reduced user's intensity of labour, and the people of convenient different heights use, can also reduce the dust simultaneously and improve user's operational environment, has reduced the influence to air circumstance:

1. the transmission mechanism drives the second transmission gear with the 140-degree central angle to rotate, the installation angles of the 2 second transmission gears are the same, the rack is always meshed with only one of the 2 second transmission gears, the rotation directions of the 2 second transmission gears are the same, and the rack is driven to reciprocate, so that the wiping plate is wiped on the display plate;

2. the push rod is driven to reciprocate in the water barrel through the rack, the pressure inside the water barrel is changed to realize extrusion and absorption of water, so that dust generated when the display board is wiped is reduced, and sewage mixed with the dust is discharged by opening the water plug in threaded connection with the water discharge pipe.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the bracket body of the present invention;

FIG. 3 is a schematic view of the connecting gear transmission structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the wiping board of the present invention;

fig. 5 is a schematic view of the internal structure of the water tube of the present invention.

In the figure: 1. a main body support; 2. exhibition boards; 3. a chute; 4. a slider; 5. a fixing plate; 6. a first drive gear; 7. a connecting gear; 8. a rotating shaft; 9. a second transmission gear; 10. a rack; 11. wiping the board; 12. a connecting rod; 13. a push rod; 14. a water cylinder; 15. a drain pipe; 16. a water plug; 17. a water delivery pipe; 18. a water outlet pipe; 19. a belt; 20. a hand wheel; 21. and a roller.

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: a display board used in international business teaching comprises a main body support 1, a rotating shaft 8 and a hand wheel 20, wherein the upper part of the main body support 1 is fixedly provided with a display board 2, a fixing plate 5 fixedly arranged on the main body support 1 is arranged below the display board 2, the outer walls of the fixing plate 5 and the main body support 1 are respectively provided with a chute 3, the rotating shaft 8 is movably arranged on the fixing plate 5, the rotating shaft 8 is fixedly connected with a first transmission gear 6, the lateral side of the first transmission gear 6 is movably provided with a connecting gear 7, the connecting gear 7 is fixedly provided with a second transmission gear 9, the lateral side of the second transmission gear 9 is movably provided with a rack 10, the upper end of the rack 10 is fixedly connected with a wiping plate 11, the lower end side wall of the rack 10 and the two ends of the wiping plate 11 are respectively and fixedly connected with a sliding block 4, and the sliding block 4 respectively forms a clamping sliding mechanism with, the lower end of the rack 10 is fixedly connected with one end of a connecting rod 12, the other end of the connecting rod 12 is fixedly provided with a push rod 13, the push rod 13 is movably arranged in a water cylinder 14, the water cylinder 14 is fixedly arranged on a fixing plate 5, the lower end side wall of the water cylinder 14 is fixedly connected with a water discharge pipe 15, the end part of the water discharge pipe 15 is movably provided with a water plug 16, the upper end surface of the water cylinder 14 is fixedly provided with a water delivery pipe 17, the water delivery pipe 17 is arranged in a wiping plate 11, the water delivery pipe 17 is fixedly provided with a water outlet pipe 18, the water outlet pipe 18 penetrates through the wiping plate 11, the end part of a rotating shaft 8 fixedly connected with a first transmission gear 6 is fixedly provided with a roller 21, the roller 21 is movably provided with one end of a belt 19, the other end of the belt 19 is movably arranged on the roller 21 at the side of the main, meanwhile, the rotating shaft 8 is movably arranged on the side wall of the main body support 1, and the hand wheel 20 is fixedly arranged on the rotating shaft 8 at the side of the main body support 1.

The main body support 1 is provided with 2 symmetrical sliding grooves 3, and the central position of the fixing plate 5 arranged below the main body support 1 is provided with the sliding grooves 3, so that the wiping plate 11 can slide up and down along the sliding grooves 3.

The circle centers of the first transmission gear 6, the connecting gear 7 and the second transmission gear 9 are in the same plane, and the first transmission gear 6 and the connecting gear 7 form a meshing relation, so that the connecting gear 7 can drive the second transmission gear 9 to synchronously rotate.

The second transmission gear 9 is an incomplete gear with a central angle of 140 degrees, and the number of the second transmission gears 9 is 2, so that only one second transmission gear 9 is always meshed with the rack 10.

All be equipped with the tooth piece on 2 relative lateral walls of rack 10, and the tooth piece symmetry to the length of rack 10 is longer than the width of panel 2, lets rack 10 can drive and wipes board 11 and wipe whole panel 2.

The water pipe 17 is made of elastic materials, water outlet pipes 18 are distributed on the water pipe 17 at equal intervals, and the push rod 13 is attached to the inner wall of the water barrel 14, so that a better dust absorption effect is achieved.

The working principle is as follows: when the display board used in international business teaching is used, firstly, referring to fig. 1-3, when a user needs to wipe the display board, the hand wheel 20 is rotated to drive the belt 19 to rotate, the end part of the belt 19 is movably installed on the roller 21, the roller 21 is fixedly installed on the rotating shaft 8, at this time, the rotating shaft 8 starts to rotate and drives the first transmission gear 6 fixedly connected on the rotating shaft 8 to rotate, as the first transmission gear 6 is meshed with the connecting gear 7, and the second transmission gear 9 is fixedly installed on the connecting gear 7, the second transmission gear 9 rotates synchronously, 2 second transmission gears 9 are provided, the second transmission gears are incomplete gears with a central angle of 140 degrees, and the installation angles and the rotation directions of the 2 second transmission gears 9 are the same, so that only one of the second transmission gears is meshed with the rack 10 all the time, the rack 10 is driven to reciprocate, and the wiping board 11 is driven to move on the display, the function of wiping the display board is realized.

Referring to fig. 1-2 and 4-5, when the rack 10 moves upward, the push rod 13 moves along with the rack 10 due to the fixed connection between the push rod 13 and the rack 10 through the connecting rod 12, when the rack 10 moves upward, the push rod 13 presses the water in the water cylinder 14, at this time, the water in the water cylinder 14 flows through the water pipe 17 and flows out from the water outlet pipe 18, so as to absorb the dust during the wiping process, when the push rod 13 descends, the air pressure in the water cylinder 14 is reduced, the flowing water is sucked into the water cylinder 14, after the wiping is completed, the water plug 16 in threaded connection with the water outlet pipe 15 is rotated, so that the sewage in the water cylinder 14 is discharged from the water outlet pipe 15, when the water is added, the water outlet pipe 15 is closed, the wiping plate 11 is moved to the bottom, and the water is directly added.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a show board that international business affairs teaching was used, includes main part support (1), axis of rotation (8) and hand wheel (20), its characterized in that: the upper portion fixed mounting of main part support (1) has panel (2), and the below of panel (2) has fixed mounting fixed plate (5) on main part support (1) to spout (3) have all been seted up on the outer wall of fixed plate (5) and main part support (1), axis of rotation (8) movable mounting is on fixed plate (5), and fixedly connected with first drive gear (6) on axis of rotation (8), and the avris movable mounting of first drive gear (6) has connecting gear (7), and fixedly mounted has second drive gear (9) on connecting gear (7), the avris movable mounting of second drive gear (9) has rack (10), and the upper end of rack (10) with wipe board (11) fixed connection to the lower extreme lateral wall of rack (10) with wipe the equal fixedly connected with slider (4) in both ends of board (11), and the sliding block (4) respectively forms a clamping sliding mechanism with the fixed plate (5) and the sliding groove (3) on the main body support (1), the lower end of the rack (10) is fixedly connected with one end of the connecting rod (12), the other end of the connecting rod (12) is fixedly provided with a push rod (13), the push rod (13) is movably arranged in the water cylinder (14), the water cylinder (14) is fixedly arranged on the fixed plate (5), the side wall of the lower end of the water cylinder (14) is fixedly connected with a drain pipe (15), the end part of the drain pipe (15) is movably provided with a water plug (16), the upper end surface of the water cylinder (14) is fixedly provided with a water pipe (17), the water pipe (17) is arranged in the wiping plate (11), the water outlet pipe (18) is fixedly arranged on the water pipe (17), the water outlet pipe (18) penetrates through the wiping plate (11), the end part of the rotating shaft (8) fixedly connected with the first transmission gear (6) is fixedly provided with a roller, and movable mounting has the one end of belt (19) on gyro wheel (21) to the other end movable mounting of belt (19) is on gyro wheel (21) of main part support (1) avris, and gyro wheel (21) fixed connection is on axis of rotation (8) of main part support (1) avris moreover, and axis of rotation (8) movable mounting is on the lateral wall of main part support (1) simultaneously, hand wheel (20) fixed mounting is on axis of rotation (8) of main part support (1) avris.

2. The display board for international business teaching of claim 1, wherein: the main body support (1) is provided with 2 symmetrical sliding grooves (3), and the sliding grooves (3) are formed in the center of a fixing plate (5) arranged below the main body support (1).

3. The display board for international business teaching of claim 1, wherein: the circle centers of the first transmission gear (6), the connecting gear (7) and the second transmission gear (9) are in the same plane, and the first transmission gear (6) and the connecting gear (7) form a meshing relation.

4. The display board for international business teaching of claim 1, wherein: the second transmission gears (9) are incomplete gears with the central angle of 140 degrees, and 2 second transmission gears (9) are arranged.

5. The display board for international business teaching of claim 1, wherein: 2 opposite side walls of the rack (10) are provided with tooth blocks which are symmetrical, and the length of the rack (10) is longer than the width of the display board (2).

6. The display board for international business teaching of claim 1, wherein: the water pipe (17) is made of elastic materials, water outlet pipes (18) are distributed on the water pipe (17) at equal intervals, and the push rod (13) is attached to the inner wall of the water barrel (14).