CN210091415U

CN210091415U - Teaching auxiliary device for economic management

Info

Publication number: CN210091415U
Application number: CN201920176631.7U
Authority: CN
Inventors: 王花毅
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-02-18
Anticipated expiration: 2029-01-31

Abstract

The utility model relates to a teaching auxiliary device for economic management, which effectively solves the problems of high chalk replacement frequency and inconvenient chalk dust cleaning; the technical scheme includes that the platform comprises a platform, wherein the platform is integrally connected with a right box body, a manual rocking handle is rotatably connected to the outer side of the right box body, the manual rocking handle is coaxially and fixedly connected with a driving belt pulley, the driving belt pulley is connected with a driven belt pulley, a plurality of first rotating shafts are fixedly connected to a belt, each first rotating shaft is connected with a chalk box, each chalk box is connected with a chalk box cover, and each chalk box cover is rotatably connected with a connecting rod; each first rotating shaft is rotatably connected with a gear, the side surface of each gear is rotatably connected with a connecting rod, the left side and the right side in the right box body are respectively connected with a first rack and a second rack, and the two first racks and the two second racks are respectively positioned below the first rotating shaft and can be meshed with the corresponding gears; the utility model discloses the structure is succinct, easy to use, and the practicality is strong.

Description

Teaching auxiliary device for economic management

Technical Field

The utility model relates to a teaching auxiliary device field specifically is teaching auxiliary device for economic management.

Background

With the continuous development and progress of science, the reform and the development of the education cause are greatly promoted, the reform of the education system which is continuously deepened and comprehensively integrated improves the teaching quality to a great extent, but the multimedia device for assisting teaching and the lectern are found to be completely separated during teaching, when the chalk is needed in the teaching process, the teacher needs to return to the teacher desk from the multimedia device to take the chalk, which affects the teaching quality, meanwhile, the existing chalk is arranged in a paper box, a great amount of chalk dust falls on the teacher's desk after a period of time, furthermore, the chalk is easy to be consumed as an easily-consumed product, the frequency of chalk replacement by teachers is very high, and students sitting in the back row cannot hear clearly when the classroom is large, at this time, the teacher wears a personal loudspeaker, the sound is increased, but the eardrum of the teacher is hurt after the teacher wears the personal loudspeaker for a long time.

The utility model discloses shortcoming to following current lectern existence makes the improvement:

firstly, the chalk replacement frequency is high, and after a period of time, the chalk dust is left on a teacher's desk and is inconvenient to clean;

secondly, the multimedia equipment is separated from the teacher desk, so that the teaching efficiency and the teaching quality are influenced in the teaching process;

thirdly, the speaker worn by the teacher affects the health of the body;

therefore, the utility model provides a new teaching assistance device for economic management solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a teaching auxiliary device for economic management, which effectively solves the problems that the frequency of chalk replacement is high, and after a period of use, the chalk dust is left on the teacher desk and is inconvenient to clean; the multimedia equipment is separated from the teacher desk, so that the teaching efficiency and the teaching quality are influenced in the teaching process; the speaker worn by the teacher affects the health of the body.

The utility model discloses a platform arranged on the ground, its characterized in that, the platform right side be connected with the right box arranged on the ground in an organic whole, the right side terminal surface rotate and be connected with manual rocking handle outside the right box, the coaxial fixedly connected with of manual rocking handle place in the drive pulley in the right box, drive pulley pass through the belt and rotate the driven pulley that connects in the right box and link to each other, the belt on even fixedly connected with a plurality of first pivots, each first pivot on all fixedly connected with chalk box, each chalk box upper end all rotate and be connected with the chalk lid, each chalk lid both sides all rotate and be connected with the connecting rod;

every first pivot on all rotate and be connected with a gear in both ends, every the gear side all with corresponding the connecting rod other end rotates and connects, the right side box in the equal fixedly connected with first rack and a second rack of left and right sides, two first rack, two the second rack all be located first pivot below and all can with corresponding the gear meshes mutually.

Preferably, the bottom surface of the chalk box is uniformly provided with a plurality of water leakage holes, the lower end of the chalk box is communicated with a water collecting tank fixedly connected to the lower end of the chalk box, the rear side wall of the water collecting tank is provided with a water guide hole, a rubber plug is detachably and hermetically mounted in the water guide hole, and one side wall of the water collecting tank is provided with a water outlet hole;

the lower end of the right box body is connected with a water containing groove in a front-back sliding mode, and the front end of the water containing groove is fixedly connected with a push-pull handle.

Preferably, the bottom surface of the water collecting groove is an inclined surface inclined towards the water outlet hole.

Preferably, the inside of the right box body is fixedly connected with a water diversion groove, and the water diversion groove and the water outlet hole are arranged on the same side.

Preferably, the podium left side an organic whole be connected with arrange the left box of cavity on ground in, left box front end seted up out the thing mouth, play thing mouth internal transmission be connected with the door that opens and shuts, the inside lower extreme of left box sliding connection has the push-and-pull plate around, left box upper end can dismantle the lid and close the apron.

Preferably, the cover plate is provided with sliding grooves in the front side wall and the rear side wall, and the left box body is internally provided with a third rotating shaft fixedly connected with the front side wall and the rear side wall in corresponding positions.

Preferably, the two third rotating shafts are fixedly connected to the left end inside the left box body, the front side wall and the rear side wall inside the left box body are fixedly connected with stop blocks, and the lower end of the left side wall of the left box body is fixedly connected with a supporting plate.

Preferably, the rear end of the platform is provided with a microphone slot.

The utility model aims at the problems that the time interval for replacing the chalk of the existing teacher's desk is short, and the chalk dust is left on the teacher's desk after a period of time, so that the chalk is inconvenient to clean; the multimedia equipment is separated from the teacher desk, so that the teaching efficiency and the teaching quality are influenced in the teaching process; the problem that the speaker worn by a teacher affects the health of the teacher is improved, and the chalk box with the automatic opening box cover is additionally arranged and is easy to clean, so that chalk dust cannot fall on a teacher's desk; the number of the chalk boxes is increased according to actual and design requirements, so that the chalk replacement time is greatly shortened; the multimedia equipment is combined with the teacher desk to improve the teaching quality and efficiency and save time; the speaker worn by the teacher is replaced by adding a microphone to avoid causing harm to the body of the teacher.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic perspective view of the platform of the present invention.

Fig. 3 is a perspective view of the chalk box and its related structure.

Fig. 4 is a schematic perspective view of the water collecting tank of the present invention.

Fig. 5 is a perspective view of the chalk box of the present invention.

Fig. 6 is a schematic perspective view of the platform of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 6. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment I, the utility model discloses a teaching auxiliary device for economic management, including the podium 1 of arranging in ground, its characterized in that, podium 1 right side an organic whole be connected with the right box 7 of arranging in ground, right box 7 outside right-hand member face rotate and be connected with manual rocking handle 15, manual rocking handle 15 coaxial fixedly connected with arrange in the drive pulley 17 in the right box 7, drive pulley 17 pass through belt 16 and rotate and be connected with driven pulley 18 in the right box 7 and link to each other, belt 16 on even fixedly connected with a plurality of first pivots 12, on each first pivot 12 all fixedly connected with chalk box 8, the upper end of each chalk box 8 all rotate and be connected with chalk box cover 19, each chalk box cover 19 both sides all rotate and be connected with connecting rod 10; when the manual rocking handle 15 is rotated, the manual rocking handle 15 drives the driving belt pulley 17 to rotate, the driving belt pulley 17 drives the driven belt pulley 18 to rotate through the belt 16, and then drives the first rotating shafts 12 fixedly connected to the belt 16 to move up and down, and at the moment, the chalk boxes 8 fixedly connected to the first rotating shafts 12 move along with the movement of the first rotating shafts 12;

a gear 9 is rotatably connected to each of the left and right ends of each first rotating shaft 12, the side surface of each gear 9 is rotatably connected to the other end of the corresponding connecting rod 10, a first rack 13 and a second rack 14 are fixedly connected to each of the left and right sides of the right case 7, the first rack 13 and the second rack 14 are both located below the first rotating shaft and can be engaged with the corresponding gear 9, when the manual rocking handle 15 drives the chalk box 8 to move up and down, the gear 9 rotatably connected to the first rotating shaft 12 also moves up and down, at this time, the phenomenon that the gear 9 is engaged with the first rack 13 and the second rack 14 occurs, the chalk box cover 19 is opened or closed, and the gear 9 and the first rack 13, the second rack 14, and the chalk box cover 19 are opened or closed in the opening and closing processes, The time when the second rack 14 is engaged is an accurate time, that is, the existing state of the chalk box cover 19 when the engagement is completed is only two types: fully open or fully closed;

during the process of completely opening the chalk box cover 19, the size of the opening and closing angle depends on the length of the connecting rod 10, the connecting end of the connecting rod 10 and the gear 9 is kept unchanged, the closer the connecting end of the connecting rod 10 and the chalk box cover 19 is to the connecting end of the connecting rod 10 and the gear 9, the easier the chalk box cover 19 is to be opened, and the faster the opening time is, of course, the meshing of the gear 9 with the first rack 13 and the second rack 14 is not affected, i.e., the state that the gear 9 is still meshed with the first rack 13 and the second rack 14 when the chalk box cover 19 is completely opened does not exist;

when the chalk in the chalk box 8 is used up, the manual rocking handle 15 is rotated to replace the new chalk box 8, the used chalk box 8 is moved to the other side, when the used chalk box 8 is moved to the other side, the new chalk box 8 just rises to the horizontal plane to be level with the used chalk box 8 which is moved to the other side and is empty, and when no chalk is used, the upper part of the right box body 7 needs to be covered to prevent sundries from falling in.

In the second embodiment, on the basis of the first embodiment, a plurality of water leakage holes 20 are uniformly formed in the bottom surface of the chalk box 8, so that when chalk is put into the chalk box 8, some dust is generated, in the process of using the chalk, chalk dust and other dust can be generated, so that a large amount of dust can be generated in the chalk box 8 when the chalk box 8 is used for secondarily filling the chalk, and further dust pollution is caused, therefore, a plurality of water leakage holes 20 are formed in the bottom of the chalk box 8, when the chalk is used up, the chalk box 8 is cleaned in advance, so that the chalk loading is not influenced during secondary use, the lower end of the chalk box 8 is communicated with a water collecting groove fixedly connected with the lower end of the chalk box 8, the rear side wall of the water collecting groove is provided with a water guiding hole 29, a rubber plug 28 is detachably and hermetically mounted in the water guide hole 29, and a water outlet hole 27 is formed in one side wall of the water collecting tank; the water collecting tank is used for receiving sewage after the chalk box 8 is cleaned, the water guiding hole 29 is used for assisting cleaning work, when the chalk box 8 is cleaned by water, the water flows down and then flows to the water collecting tank, but in the long-term use process, deposition is inevitably generated at the bottom of the water collecting tank, the cleaning can be carried out by a brush through the water guiding hole 29, the rubber plug 28 is used for sealing the water guiding hole 29 under the condition that the water guiding hole 29 is not used so as to prevent water stains from splashing when the chalk box 8 is cleaned, and the cleaning sewage is discharged from the water outlet;

the lower end of the right box body 7 is connected with a water containing groove 22 in a front-back sliding mode, the front end of the water containing groove 22 is fixedly connected with a push-pull handle 23, the water containing groove 22 is used for containing sewage discharged from the water outlet after the chalk box 8 is cleaned, and the push-pull handle 23 is convenient for pulling out or pushing in the water containing groove 22.

In the third embodiment, on the basis of the second embodiment, the bottom surface of the water collecting tank is an inclined surface inclined to the water outlet 27, and the inclined water outlet 27 can better discharge sewage, so that the deposition of the sewage in the discharge process is reduced.

In the fourth embodiment, on the basis of the second embodiment, the diversion groove 26 is fixedly connected inside the right box 7, the diversion groove 26 is on the same side as the water outlet hole 27, when the sewage after being cleaned of the chalk box 8 is retained by the water collection groove and is finally discharged through the water outlet, the sewage flowing out from the water outlet just flows down through the diversion groove 26 and enters the water containing groove 22, there is no need to worry that the sewage cannot flow into the diversion groove 26 when flowing out, the two are in seamless butt joint, and two sides of the diversion groove are provided with blocking plates for preventing side leakage, so that the sewage can smoothly enter the diversion groove 26 when flowing out from the water outlet.

Fifth embodiment, on the basis of the first embodiment, the left side of the platform 1 is integrally connected with a hollow left box body 2 arranged on the ground, the front end of the left box body 2 is provided with an outlet, the outlet is connected with an opening and closing door 21 in a transmission manner, the lower end inside the left box body 2 is connected with a push-pull plate 4 in a front-back sliding manner, the upper end of the left box body 2 is detachably covered with a cover plate, the push-pull plate 4 is used for placing a projector, when the outlet is a problem of the projector placed in the left box body 2, the opening and closing door 21 is opened, the push-pull plate 4 is pulled out from the left box body 2 for maintenance, when the projector is not used, in order to avoid the situation that dust falls into the empty space of the projector for a long time, the cover plate is installed above the push-pull plate 4, and an opening and closing handle is added on the opening and closing door 21, so as to save more labor and time.

Sixth, on the basis of the fifth embodiment, sliding grooves are formed in the front and rear side walls of the cover plate, third rotating shafts 25 are fixedly connected to corresponding positions of the front and rear side walls inside the left box body 2, when a projector is needed, one side of the cover plate far away from the third rotating shafts 25 is pulled up, and the sliding grooves formed in the front and rear side walls of the cover plate slide downwards along the third rotating shafts 25.

Seventh embodiment, on the basis of the sixth embodiment, two third rotating shafts 25 are fixedly connected to the left end inside the left case 2, the front and rear side walls inside the left case 2 are fixedly connected with stoppers 5, the lower end of the left side wall of the left case 2 is fixedly connected with a supporting plate 3, when a projector is not needed, the cover plate is pulled up and covered by the supporting plate, when the projector is needed, the cover plate is pulled up, the sliding groove slides downwards along the third rotating shafts 25, the cover plate swings left and right after falling, the supporting plate 3 drags one end of the cover plate falling, so as to prevent the cover plate from swinging left and right, and the height of the cover plate falling is greater than the length of the cover plate.

Eighth embodiment, on the basis of the first embodiment, a microphone groove 6 is formed in the rear end of the platform 1, and the microphone groove 6 is used for placing a microphone, and can be wired or wireless, so that the table top of the platform 1 does not have space, a teacher can use the platform conveniently, and the platform does not need to be consciously brought to the table to speak during teaching.

When the chalk box is used, the manual rocking handle 15 is rotated, the driving belt pulley 17 rotates to drive the belt 16 to rotate, the belt 16 drives the third rotating shaft 25 to rotate, the chalk box 8 is further driven to move up and down, the gear 9 coaxially and rotatably connected with the third rotating shaft 25 also moves up and down, the process that the gear 9 is meshed with the first rack 13 and the second rack 14 can occur when the gear 9 also moves up and down, the chalk box cover 19 is opened or closed, when the chalk in the chalk box 8 is used up, cleaning is carried out, and after cleaning is finished, sewage flows down through the water collecting groove, flows out through the water outlet, flows down through the water guiding groove 26 and enters the water containing groove 22; the apron has been pulled up when needs use the projecting apparatus, the spout warp the third pivot 25 slides down, the warp layer board 3 drags and rocks about preventing the apron, when need not use the projecting apparatus, pulls up the apron and closes, the warp dog 5 drags to prevent that the apron from falling into in the left side box 2, when the projecting apparatus goes wrong, opens door 21 that opens and shuts, the warp push-and-pull board 4 pulls out the projecting apparatus and maintains, microphone groove 6 is used for placing the microphone.

Claims

1. A teaching aid for economic management comprises a platform (1) arranged on the ground and is characterized in that, the right side of the platform (1) is integrally connected with a right box body (7) arranged on the ground, the right end face outside the right box body (7) is rotationally connected with a manual rocking handle (15), the manual rocking handle (15) is coaxially and fixedly connected with a driving belt pulley (17) arranged in the right box body (7), the driving belt pulley (17) is connected with a driven belt pulley (18) which is rotationally connected in the right box body (7) through a belt (16), a plurality of first rotating shafts (12) are uniformly and fixedly connected to the belt (16), a chalk box (8) is fixedly connected to each first rotating shaft (12), the upper end of each chalk box (8) is rotatably connected with a chalk box cover (19), and two sides of each chalk box cover (19) are rotatably connected with connecting rods (10);

every first pivot (12) on all rotate and be connected with gear (9) in both ends about, every gear (9) side all with corresponding connecting rod (10) other end rotates and connects, right side box (7) in the equal fixedly connected with first rack (13) in both sides and second rack (14), first rack (13) second rack (14) all be located first pivot below and all can with corresponding gear (9) mesh mutually.

2. The teaching aid for economic management according to claim 1, wherein a plurality of water leakage holes (20) are uniformly formed in the bottom surface of the chalk box (8), the lower end of the chalk box (8) is communicated with a water collecting tank fixedly connected to the lower end of the chalk box (8), a water guide hole (29) is formed in the rear side wall of the water collecting tank, a rubber plug (28) is detachably and hermetically mounted in the water guide hole (29), and a water outlet hole (27) is formed in one side wall of the water collecting tank;

the lower end of the right box body (7) is connected with a water containing groove (22) in a front-back sliding mode, and the front end of the water containing groove (22) is fixedly connected with a push-pull handle (23).

3. The teaching aid for economic management according to claim 2, wherein the bottom surface of the catchment groove is a slope inclined toward the water outlet hole (27).

4. The teaching aid for economic management according to claim 2, characterized in that a gutter (26) is fixedly connected to the inside of the right box (7), and the gutter (26) and the water outlet hole (27) are on the same side.

5. The teaching assistance device for economic management according to claim 1, wherein a hollow left box body (2) placed on the ground is integrally connected to the left side of the platform (1), an outlet is formed in the front end of the left box body (2), an opening and closing door (21) is connected in the outlet in a transmission manner, a push-pull plate (4) is connected to the lower end of the inside of the left box body (2) in a front-back sliding manner, and a cover plate is detachably covered on the upper end of the left box body (2).

6. The teaching aid for economic management according to claim 5, characterized in that the front and rear side walls of the cover plate are provided with sliding grooves, and the corresponding positions of the front and rear side walls inside the left box body (2) are fixedly connected with third rotating shafts (25).

7. The teaching aid for economic management according to claim 6, characterized in that, two third rotating shafts (25) are fixedly connected to the left end inside the left box body (2), the front and rear side walls inside the left box body (2) are fixedly connected with the stoppers (5), and the lower end of the left side wall of the left box body (2) is fixedly connected with the supporting plate (3).

8. The teaching assistance device for economic management according to claim 1, wherein the platform (1) has a microphone slot (6) formed at the rear end thereof.