CN219256905U

CN219256905U - Teaching equipment

Info

Publication number: CN219256905U
Application number: CN202222679818.3U
Authority: CN
Inventors: 张妮妮; 代潇
Original assignee: Guangzhou Vocational College of Technology and Business
Current assignee: Guangzhou Vocational College of Technology and Business
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-06-27
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses teaching equipment, which can automatically wipe a blackboard; when the device is used, only the first driving component and the second driving component are required to be started; the first driving part drives the screw rod to rotate so as to drive the nut seat to move, thereby driving the movable frame to horizontally move; the second drive part drives the bull stick to rotate, so that clean the roller and clean the blackboard main part, start through the synchronization of first drive part and second drive part, thereby make the movable frame in horizontal migration, clean the blackboard main part through cleaning the roller, in order to realize automatic blackboard of cleaning, labour saving and time saving not only can also save teacher's time of cleaning, thereby promote teaching efficiency.

Description

Teaching equipment

Technical Field

The utility model relates to the technical field of teaching tools, in particular to teaching equipment.

Background

The blackboard is one of the most common teaching equipment at present, and is not a black board surface, but a plane which can be repeatedly written, and the board surface is hard and widely used in various teaching scenes. The blackboard is made of a wood board or ground glass and the like, and can be written with a chalk and other specific writing materials, and the surface of the blackboard is black, dark green, white or beige; the blackboard is of various kinds, and is divided into a blackboard, a green board, a white board and the like from the aspect of color; the surface shape is divided into a plane plate, an arc panel, and the structure is divided into a bracket movable plate, a push-pull plate, a lifting plate, a magnetic blackboard and the like.

After a teacher finishes writing on a blackboard, when the blackboard needs to be wiped, the teacher needs to wipe manually, so that time and effort are wasted, and the time of teaching is delayed.

Disclosure of Invention

The utility model mainly aims to provide teaching equipment, and aims to solve the problems that a blackboard needs to be wiped manually, time and labor are wasted, and the teaching time is delayed.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the teaching equipment is characterized by comprising a blackboard main body, a slide bar, a screw rod, a movable frame, a first driving part, a second driving part and a wiping roller; the sliding rod is horizontally arranged at the lower part of the blackboard main body; the screw rod is rotatably arranged at the upper part of the blackboard main body; the screw rod is parallel to the sliding rod; the movable frame comprises a side plate which is vertically arranged, and a top plate and a bottom plate which are oppositely arranged; the top plate and the bottom plate are horizontally arranged; the top plate is connected to the top of the side plate; the bottom plate is connected to the bottom of the side plate; a nut seat is penetrated on the upper part of the side plate; the nut seat is matched and screwed on the screw rod; the sliding rod is arranged at the lower part of the side plate in a sliding penetrating way; the first driving part is arranged on one side of the blackboard main body; the first driving component is used for driving the screw rod to rotate so as to drive the movable frame to horizontally move; the wiping roller comprises a rotating rod and a felt cylinder; the felt cylinder is coaxially sleeved on the rotating rod; the rotating rod is rotatably arranged between the top plate and the bottom plate, and the rotating rod is vertically arranged; the second driving part is arranged on the moving frame; the second driving part is used for driving the rotating rod to rotate so that the wiping roller wipes the blackboard main body.

Preferably, the blackboard further comprises a containing cover arranged at one side of the blackboard main body; the first driving part is arranged in the accommodating cover; the movable frame can be moved to be accommodated in the accommodating cover.

Preferably, the first driving part includes a first motor, a first gear, and a second gear; the first motor is arranged on the blackboard main body; the first gear is coaxially connected with an output shaft of the first motor; the second gear is coaxially sleeved on the screw rod; the first gear is meshed with the second gear.

Preferably, the second driving part comprises a second motor, a first rotating shaft, a second rotating shaft and a third rotating shaft; the second motor is arranged on the lower surface of the bottom plate; the first rotating shaft is rotatably arranged through the bottom plate; the second rotating shaft is rotatably arranged on the upper surface of the bottom plate; the third rotating shaft is rotatably arranged on the movable frame and is close to the top plate; the first rotating shaft, the second rotating shaft and the third rotating shaft are all vertically arranged; the second rotating shaft and the third rotating shaft share a central axis; the rotating rod is arranged between the second rotating shaft and the third rotating shaft; the second motor is used for driving the first rotating shaft to rotate; the first rotating shaft is used for driving the second rotating shaft to rotate; the second rotating shaft is used for driving the rotating rod to rotate.

Preferably, the second driving part further includes a first bevel gear, a second bevel gear, a third gear, and a fourth gear; the first bevel gear is coaxially connected with the output shaft of the second motor; the second bevel gear is coaxially connected with one end of the first rotating shaft, which extends downwards from the bottom plate; the first bevel gear is meshed with the second bevel gear; the third gear is coaxially connected with one end of the first rotating shaft, which extends upwards from the bottom plate; the fourth gear is coaxially connected with the second rotating shaft; the third gear is meshed with the fourth gear.

Preferably, the second driving part further comprises a movable rod, a first baffle, a second baffle and a spring; the top plate is provided with a through hole; the movable rod vertically slides through the through hole; the first baffle and the second baffle are sleeved on the movable rod; the first baffle is positioned above the top plate; the second baffle is positioned below the top plate; the spring is sleeved on the movable rod; one end of the spring is connected with the second baffle; the other end of the spring is connected to the lower surface of the top plate; the spring is in a compressed state, and the elastic force of the spring enables the first baffle to be abutted against the upper surface of the top plate; the third rotating shaft is rotatably arranged on the lower surface of the second baffle, and the third rotating shaft and the movable rod share the central axis.

Preferably, a first end rod and a second end rod are respectively formed at two ends of the rotating rod; the cross section of the first end rod is rectangular; a first groove for the matching and embedding of the first end rod is formed in the center of the top of the second rotating shaft; the cross section of the first groove is rectangular; the cross section of the second end rod is rectangular; a second groove for the matching and embedding of the second end rod is formed in the center of the bottom of the third rotating shaft; the cross section of the second groove is rectangular; when the first baffle is abutted against the upper surface of the top plate, the second end rod is embedded into the second groove.

Preferably, the cross section of the movable rod is rectangular; the through holes are rectangular holes.

Preferably, the moving frame further includes a panel connected between the top plate and the bottom plate; the panel is vertically arranged; the panel is provided with an access hole; the panel is hinged with a sealing plate for sealing or opening the access hole at the access hole.

Preferably, a pull ring is arranged at the top of the movable rod; and a storage battery for supplying power to the second motor is further arranged on the upper surface of the bottom plate.

Compared with the prior art, the utility model has at least the following beneficial effects:

the teaching equipment provided by the utility model can automatically wipe the blackboard; when the device is used, only the first driving component and the second driving component are required to be started; the first driving part drives the screw rod to rotate so as to drive the nut seat to move, thereby driving the movable frame to horizontally move; the second drive part drives the bull stick to rotate, so that clean the roller and clean the blackboard main part, start through the synchronization of first drive part and second drive part, thereby make the movable frame in horizontal migration, clean the blackboard main part through cleaning the roller, in order to realize automatic blackboard of cleaning, labour saving and time saving not only can also save teacher's time of cleaning, thereby promote teaching efficiency.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of a teaching apparatus according to the present utility model;

fig. 2 is a schematic diagram of an internal structure of an embodiment of a teaching apparatus according to the present utility model;

FIG. 3 is an enlarged schematic view of the detail A in FIG. 2;

fig. 4 is an enlarged structural schematic diagram of detail B in fig. 2.

In the figure, 110, blackboard body; 120. a moving frame; 130. a housing cover; 140. a screw rod; 150. a slide bar; 160. an access opening; 170. a sealing plate; 180. a panel; 190. a nut seat; 210. a second motor; 220. a side plate; 230. a first motor; 240. a second gear; 250. a first gear; 260. a rotating rod; 270. a felt barrel; 280. a top plate; 290. a bottom plate; 310. a first end bar; 320. a second end bar; 330. a first rotating shaft; 340. a second rotating shaft; 350. a third rotating shaft; 360. a first bevel gear; 370. a second bevel gear; 380. a third gear; 390. a fourth gear; 410. a movable rod; 420. a first baffle; 430. a second baffle; 440. a spring; 450. and (5) a pull ring.

Detailed Description

The utility model provides teaching equipment.

Referring to fig. 1 to 4, in an embodiment of a teaching apparatus according to the present utility model, the teaching apparatus includes a blackboard body 110, a sliding rod 150, a screw 140, a moving frame 120, a first driving member, a second driving member, and a wiping roller; the slide bar 150 is horizontally disposed at the lower portion of the blackboard body 110; the screw 140 is rotatably provided at an upper portion of the blackboard body 110; the screw 140 is parallel to the slide bar 150; the moving frame 120 includes a side plate 220 vertically disposed, and a top plate 280 and a bottom plate 290 disposed opposite to each other; the top plate 280 and the bottom plate 290 are both horizontally arranged; the top plate 280 is connected to the top of the side plate 220; the bottom plate 290 is connected to the bottom of the side plate 220; the nut seat 190 is penetrated through the upper part of the side plate 220; the nut seat 190 is matched and screwed on the screw rod 140; the slide bar 150 is slidably disposed through the lower portion of the side plate 220.

The first driving part is disposed at one side of the blackboard body 110; the first driving part is used for driving the screw 140 to rotate so as to drive the moving frame 120 to horizontally move; the wiping roller includes a rotating rod 260 and a felt cylinder 270; the felt tube 270 is coaxially sleeved on the rotating rod 260; the rotating rod 260 is rotatably arranged between the top plate 280 and the bottom plate 290, and the rotating rod 260 is vertically arranged; the second driving part is provided to the moving frame 120; the second driving part is used for driving the rotating rod 260 to rotate so that the wiping roller wipes the blackboard main body 110; i.e., the felt cartridge 270 is in rolling contact with the blackboard body 110, thereby effecting wiping of the blackboard body 110.

The teaching equipment provided by the utility model can automatically wipe the blackboard; when the device is used, only the first driving component and the second driving component are required to be started; the first driving part drives the screw rod 140 to rotate so as to drive the nut seat 190 to move, thereby driving the moving frame 120 to move horizontally; the second driving part drives the rotating rod 260 to rotate, so that the wiping roller wipes the blackboard main body 110, and synchronous starting is performed through the first driving part and the second driving part, so that the moving frame 120 wipes the blackboard main body 110 through the wiping roller when moving horizontally, automatic wiping of a blackboard is realized, time and labor are saved, wiping time of a teacher can be saved, and teaching efficiency is improved.

In addition, the teaching device further includes a housing cover 130 disposed at one side of the blackboard body 110; the first driving part is arranged in the accommodating cover 130; the moving frame 120 can move to be accommodated in the accommodating cover 130. Thus, when the blackboard is not required to be wiped, the movable frame 120 can be hidden in the accommodating cover 130, so that the blackboard is more attractive and practical.

Meanwhile, the first driving part includes a first motor 230, a first gear 250, and a second gear 240; the first motor 230 is disposed at the blackboard body 110; the first gear 250 is coaxially coupled to the output shaft of the first motor 230; the second gear 240 is coaxially sleeved on the screw 140; the first gear 250 and the second gear 240 are engaged. Through the technical scheme, the structure and the function of the first driving part are perfected.

In addition, the second driving part includes a second motor 210, a first rotation shaft 330, a second rotation shaft 340, and a third rotation shaft 350; the second motor 210 is disposed on the lower surface of the bottom plate 290; the first rotating shaft 330 is rotatably disposed through the bottom plate 290; the second rotating shaft 340 is rotatably disposed on the upper surface of the bottom plate 290; the third rotating shaft 350 is rotatably disposed on the moving frame 120 and is close to the top plate 280; the first, second and third

rotating shafts

330, 340 and 350 are all vertically disposed; the second rotary shaft 340 and the third rotary shaft 350 share a central axis; the rotating lever 260 is disposed between the second rotating shaft 340 and the third rotating shaft 350; the second motor 210 is used for driving the first rotating shaft 330 to rotate; the first rotating shaft 330 is used for driving the second rotating shaft 340 to rotate; the second rotating shaft 340 is used for driving the rotating rod 260 to rotate.

Through the above technical scheme, the structure and function of the second driving part are improved, that is, the second motor 210 drives the first rotating shaft 330 to rotate; the first rotating shaft 330 drives the second rotating shaft 340 to rotate; the second rotation shaft 340 drives the rotation lever 260 to rotate, thereby rotating the wiping roller to wipe the blackboard body 110.

Meanwhile, the second driving part further includes a first bevel gear 360, a second bevel gear 370, a third gear 380, and a fourth gear 390; the first bevel gear 360 is coaxially connected to the output shaft of the second motor 210; the second bevel gear 370 is coaxially connected to one end of the first rotating shaft 330 protruding downward from the bottom plate 290; the first bevel gear 360 and the second bevel gear 370 are meshed; the third gear 380 is coaxially connected to one end of the first rotating shaft 330 extending upward from the bottom plate 290; the fourth gear 390 is coaxially connected to the second rotating shaft 340; the third gear 380 and the fourth gear 390 are meshed. Through the above technical scheme, the technical scheme that the second motor 210 drives the second rotating shaft 340 to rotate is perfected.

Specifically, the second driving part further includes a movable rod 410, a first barrier 420, a second barrier 430, and a spring 440; the top plate 280 is provided with a through hole (not shown); the movable rod 410 vertically slides through the through hole; the first baffle 420 and the second baffle 430 are both sleeved on the movable rod 410; the first baffle 420 is located above the top plate 280; the second baffle 430 is located below the top plate 280; the spring 440 is sleeved on the movable rod 410; one end of the spring 440 is connected to the second barrier 430; the other end of the spring 440 is connected to the lower surface of the top plate 280; the spring 440 is in a compressed state, and the elastic force of the spring 440 enables the first baffle 420 to be abutted against the upper surface of the top plate 280; the third rotating shaft 350 is rotatably disposed on the lower surface of the second baffle 430, and the third rotating shaft 350 and the movable rod 410 share a central axis. Through the above technical solution, the arrangement structure of the third rotating shaft 350 is perfected.

In addition, both ends of the rotating lever 260 are formed with a first end lever 310 and a second end lever 320, respectively; the first end bar 310 has a rectangular cross section; a first groove (not shown) for the first end bar 310 to be fitted and embedded is formed at the top center of the second rotating shaft 340; the cross section of the first groove is rectangular; the cross section of the second end bar 320 is rectangular; a second groove (not shown) for the second end bar 320 to be cooperatively embedded is formed at the bottom center of the third rotating shaft 350; the cross section of the second groove is rectangular; when the first baffle 420 abuts against the upper surface of the top plate 280, the second end rod 320 is embedded into the second groove.

Through the technical scheme, the wiping roller can be replaced more conveniently so as to carry out maintenance and overhaul; specifically, when the wiping roller needs to be replaced, only the movable rod 410 needs to be pulled upwards, so that the second end rod 320 is separated from the second groove, and then the wiping roller can be manually lifted upwards, so that the first end rod 310 is separated from the first groove, and the wiping roller is detached; when the wiping roller is mounted, the movable rod 410 is pulled upwards, the first end rod 310 is embedded into the first groove, the second groove is aligned with the second end rod 320, the movable rod 410 is released, and the third rotating shaft 350 is pushed to descend under the action of the spring 440, so that the second end rod 320 is embedded into the second groove, and the mounting of the wiping roller is completed.

Specifically, the cross section of the movable rod 410 is rectangular; the through holes are rectangular holes. This prevents the movable lever 410 from rotating. The moving frame 120 further includes a panel 180 connected between the top plate 280 and the bottom plate 290; the panel 180 is vertically arranged; the panel 180 is provided with an access opening 160; the panel 180 is hinged with a closing plate 170 at the access opening 160 for closing or opening the access opening 160. Thus, the wiping roller is more convenient to overhaul and replace. A pull ring 450 is provided on the top of the movable lever 410 to facilitate pulling the movable lever 410; a battery (not shown) for supplying power to the second motor 210 is also provided at the upper surface of the base plate 290.

Claims

1. The teaching equipment is characterized by comprising a blackboard main body, a slide bar, a screw rod, a movable frame, a first driving part, a second driving part and a wiping roller; the sliding rod is horizontally arranged at the lower part of the blackboard main body; the screw rod is rotatably arranged at the upper part of the blackboard main body; the screw rod is parallel to the sliding rod; the movable frame comprises a side plate which is vertically arranged, and a top plate and a bottom plate which are oppositely arranged; the top plate and the bottom plate are horizontally arranged; the top plate is connected to the top of the side plate; the bottom plate is connected to the bottom of the side plate; a nut seat is penetrated on the upper part of the side plate; the nut seat is matched and screwed on the screw rod; the sliding rod is arranged at the lower part of the side plate in a sliding penetrating way; the first driving part is arranged on one side of the blackboard main body; the first driving component is used for driving the screw rod to rotate so as to drive the movable frame to horizontally move; the wiping roller comprises a rotating rod and a felt cylinder; the felt cylinder is coaxially sleeved on the rotating rod; the rotating rod is rotatably arranged between the top plate and the bottom plate, and the rotating rod is vertically arranged; the second driving part is arranged on the moving frame; the second driving part is used for driving the rotating rod to rotate so that the wiping roller wipes the blackboard main body;

the first driving part comprises a first motor, a first gear and a second gear; the first motor is arranged on the blackboard main body; the first gear is coaxially connected with an output shaft of the first motor; the second gear is coaxially sleeved on the screw rod; the first gear is meshed with the second gear;

the second driving part comprises a second motor, a first rotating shaft, a second rotating shaft and a third rotating shaft; the second motor is arranged on the lower surface of the bottom plate; the first rotating shaft is rotatably arranged through the bottom plate; the second rotating shaft is rotatably arranged on the upper surface of the bottom plate; the third rotating shaft is rotatably arranged on the movable frame and is close to the top plate; the first rotating shaft, the second rotating shaft and the third rotating shaft are all vertically arranged; the second rotating shaft and the third rotating shaft share a central axis; the rotating rod is arranged between the second rotating shaft and the third rotating shaft; the second motor is used for driving the first rotating shaft to rotate; the first rotating shaft is used for driving the second rotating shaft to rotate; the second rotating shaft is used for driving the rotating rod to rotate.

2. The teaching device according to claim 1, further comprising a housing cover provided on one side of the blackboard body; the first driving part is arranged in the accommodating cover; the movable frame can be moved to be accommodated in the accommodating cover.

3. A teaching device according to claim 1 and characterized in that said second drive means further comprises a first bevel gear, a second bevel gear, a third gear and a fourth gear; the first bevel gear is coaxially connected with the output shaft of the second motor; the second bevel gear is coaxially connected with one end of the first rotating shaft, which extends downwards from the bottom plate; the first bevel gear is meshed with the second bevel gear; the third gear is coaxially connected with one end of the first rotating shaft, which extends upwards from the bottom plate; the fourth gear is coaxially connected with the second rotating shaft; the third gear is meshed with the fourth gear.

4. A teaching device according to claim 1 and characterized in that said second driving means further comprises a movable bar, a first shutter, a second shutter and a spring; the top plate is provided with a through hole; the movable rod vertically slides through the through hole; the first baffle and the second baffle are sleeved on the movable rod; the first baffle is positioned above the top plate; the second baffle is positioned below the top plate; the spring is sleeved on the movable rod; one end of the spring is connected with the second baffle; the other end of the spring is connected to the lower surface of the top plate; the spring is in a compressed state, and the elastic force of the spring enables the first baffle to be abutted against the upper surface of the top plate; the third rotating shaft is rotatably arranged on the lower surface of the second baffle, and the third rotating shaft and the movable rod share the central axis.

5. The teaching apparatus according to claim 4, wherein the rotating lever is formed at both ends thereof with a first end lever and a second end lever, respectively; the cross section of the first end rod is rectangular; a first groove for the matching and embedding of the first end rod is formed in the center of the top of the second rotating shaft; the cross section of the first groove is rectangular; the cross section of the second end rod is rectangular; a second groove for the matching and embedding of the second end rod is formed in the center of the bottom of the third rotating shaft; the cross section of the second groove is rectangular; when the first baffle is abutted against the upper surface of the top plate, the second end rod is embedded into the second groove.

6. A teaching device according to claim 4 and characterized in that said movable bar is rectangular in cross section; the through holes are rectangular holes.

7. The teaching apparatus according to claim 5, wherein said moving frame further comprises a panel connected between said top plate and said bottom plate; the panel is vertically arranged; the panel is provided with an access hole; the panel is hinged with a sealing plate for sealing or opening the access hole at the access hole.

8. A teaching device according to claim 4 and characterized in that the top of the movable bar is provided with a pull ring; and a storage battery for supplying power to the second motor is further arranged on the upper surface of the bottom plate.