Teaching writing board convenient to automatically clean

Abstract

The teaching writing board convenient to automatically clean comprises a writing board body and a fixing plate, connecting grooves are formed in the upper end and the lower end of the writing board body, an automatic walking mechanism is connected into the connecting grooves, a connecting plate is fixedly connected to the outer side of the automatic walking mechanism, and the fixing plate is fixedly connected to the outer side of the connecting plate. And a fixing plate is fixedly mounted between the connecting plates. According to the teaching writing board convenient to automatically clean, a servo motor can drive an automatic walking mechanism to rotate forwards and backwards through a second belt, so that the automatic walking mechanism can conveniently drive a fixed plate to transversely move, and a telescopic cleaning mechanism stretches and retracts in a positioning plate; according to the teaching writing board convenient to automatically clean, the telescopic cleaning mechanism is arranged, so that the telescopic cleaning mechanism is always attached to the writing board body in the transverse moving process of the fixed plate, automatic cleaning of the writing board body is facilitated, meanwhile, the cleaning effect of the writing board body is improved, and the use convenience of the teaching writing board convenient to automatically clean is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching, in particular to a teaching writing board which is easy to clean automatically. Background Art

[0002] The writing board is an important tool in the teaching process. After writing on the surface of the board with an oil pen or chalk, it can assist the user in displaying the content of the explanation and improve the effect of the explanation. However, the existing teaching writing boards still have certain defects in the process of use;

[0003] For example, the automatic cleaning writing board proposed in the application number CN200820192147.5 includes a board body, a movable board located at the upper end of the board body, a fixed board located at the lower end of the board body, a winding shaft at the upper part of the board body, an wiping board on the movable board in contact with the board body, a pulling column at the lower end of the movable board, the pulling column is connected to the winding shaft through a connecting line, and a wire shaft is arranged inside the movable board. It overcomes the disadvantages of existing writing boards that are disposable and cannot be self-cleaned. In actual use, the automatic cleaning writing board needs to manually pull the pulling column and drive the wiping board to rise and fall to clean the writing board. The inability to realize automatic cleaning of the writing board reduces the convenience of cleaning. The wiping board needs to be replaced after a long period of use, but the wiping board in this application is not convenient for convenient replacement.

[0004] Therefore we have proposed a teaching writing board that is convenient to automatic cleaning, so as to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a teaching writing board which is easy to clean automatically, so as to solve the problems in the background art that the writing board is not easy to clean automatically and the eraser board is not easy to replace.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a teaching writing board that is easy to clean automatically, comprising a writing board body and a fixing plate,

[0007] The upper and lower ends of the writing board body are provided with connecting grooves, the connecting grooves are connected to the automatic walking mechanism, the outer side of the automatic walking mechanism is fixedly connected to a connecting plate, a fixing plate is fixedly installed between the connecting plates, a servo motor is installed on the fixing plate, the servo motor is connected to a second belt, and the second belt is connected to the automatic walking mechanism;

[0008] A positioning plate is movably connected inside one side of the fixed plate, and a telescopic cleaning mechanism is installed on the positioning plate;

[0009] The positioning plate is connected to the fixing plate via a disassembly and assembly mechanism.

[0010] Preferably, the automatic walking mechanism includes a sleeve fixedly mounted on the inner side of the connecting plate, the interior of the sleeve is symmetrically inlaid with fixed shafts, a connecting rod passes through the interior of the fixed shaft, a roller is fixedly sleeved on the outer side of the connecting rod, a linkage wheel is fixedly sleeved on one end of the connecting rod, a first belt is sleeved on the linkage wheel, a driven wheel is fixedly mounted on one side of the connecting rod, and the driven wheel is connected to the second belt.

[0011] Preferably, the connecting rod and the roller are symmetrically distributed inside the sleeve, and the connecting rod is connected to the first belt transmission through a linkage wheel.

[0012] The above-mentioned structural design enables the automatic walking mechanism to move laterally inside the connecting groove, thereby driving the fixed plate to move, which is beneficial for driving the telescopic cleaning mechanism to effectively clean the writing board body during the movement, thereby improving the automatic cleaning effect and automation effect of the teaching writing board.

[0013] Preferably, the telescopic cleaning mechanism includes limiting holes arranged at equal intervals inside the positioning plate, a telescopic rod is slidably connected inside the limiting hole, a first spring is sleeved on the telescopic rod, and the telescopic rod is telescopically connected to the positioning plate through the first spring, and a cleaning block is fixedly installed at one end of the telescopic rod.

[0014] The above structural design allows the telescopic cleaning mechanism to always be in close contact with the surface of the writing board body during the movement of the fixed plate, avoiding separation of the two during the movement, thereby improving the cleaning effect of the telescopic cleaning mechanism on the writing board body.

[0015] Preferably, the disassembly and assembly mechanism includes a docking plate fixedly mounted at both ends of the positioning plate, a card slot is provided inside the docking plate, the docking plate is internally movably connected to a limiting seat, the limiting seat is fixedly connected to the fixed plate, a fixing rod is symmetrically mounted inside the limiting seat, a second spring is sleeved on the fixing rod, one end of the second spring is connected to a movable plate, a limiting slot is provided inside the movable plate, the limiting slot is slidably connected to the fixing rod, and a card block is fixedly mounted at one end of the movable plate.

[0016] Preferably, the movable plate is telescopically connected to the fixed rod via a second spring, and the movable plate is engaged with the slot via a clamping block, and the size of the limiting slot matches the size of the fixed rod.

[0017] The above-mentioned structural design makes it easy to achieve engagement and separation by controlling the disassembly and assembly mechanism, which is beneficial to the disassembly and replacement of the positioning plate and the telescopic cleaning mechanism during separation, and is also beneficial to the positioning and installation of the positioning plate and the telescopic cleaning mechanism after replacement during engagement, thereby improving the convenience of replacing the telescopic cleaning mechanism in the teaching writing board that is easy to clean automatically.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the teaching writing board is easy to clean automatically;

[0019] 1. The servo motor can drive the automatic walking mechanism to rotate forward and backward through the second belt, so that the automatic walking mechanism drives the fixed plate to move horizontally, and cooperates with the telescopic cleaning mechanism to extend and retract inside the positioning plate, so that the telescopic cleaning mechanism is always in contact with the writing board body during the horizontal movement of the fixed plate, which is conducive to automatic cleaning of the writing board body and at the same time, it is conducive to improving the cleaning effect of the writing board body, thereby improving the convenience of use of the teaching writing board that is easy to clean automatically;

[0020] 2. By controlling the disassembly and assembly mechanism, it is possible to facilitate quick positioning, connection and separation between the positioning plate and the fixed plate, which is beneficial for replacing the telescopic cleaning mechanism that has been in use for a long time during separation, ensuring the cleaning effect of the telescopic cleaning mechanism on the writing board body, and at the same time, it is beneficial for stable installation of the replaced positioning plate and telescopic cleaning mechanism during connection, thereby improving the convenience of replacing the telescopic cleaning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a side view of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the side section structure of the automatic walking mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the distribution structure of the telescopic cleaning mechanism and the disassembly and assembly mechanism of the utility model;

[0024] Figure 4 It is a schematic diagram of the side section structure of the telescopic cleaning mechanism of the utility model;

[0025] Figure 5 It is a schematic diagram of the side section structure of the disassembly and assembly mechanism of the utility model.

[0026] In the figure: 1. writing board body; 2. connecting groove; 3. automatic walking mechanism; 301. sleeve; 302. fixed shaft; 303. connecting rod; 304. roller; 305. linkage wheel; 306. first belt; 307. driven wheel; 4. connecting plate; 5. fixed plate; 6. servo motor; 7. second belt; 8. positioning plate; 9. telescopic cleaning mechanism; 901. limiting hole; 902. telescopic rod; 903. first spring; 904. cleaning block; 10. disassembly and assembly mechanism; 1001. docking plate; 1002. slot; 1003. limiting seat; 1004. fixed rod; 1005. second spring; 1006. movable plate; 1007. limiting slot; 1008. block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a technical solution: a teaching writing board that is easy to clean automatically, including a writing board body 1 and a fixed plate 5, the upper and lower ends of the writing board body 1 are provided with connecting grooves 2, the connecting grooves 2 are connected with an automatic walking mechanism 3, the outer side of the automatic walking mechanism 3 is fixedly connected with a connecting plate 4, a fixing plate 5 is fixedly installed between the connecting plates 4, a servo motor 6 is installed on the fixing plate 5, a second belt 7 is connected to the servo motor 6, the second belt 7 is connected to the automatic walking mechanism 3, the automatic walking mechanism 3 includes a sleeve 301 fixedly installed on the inner side of the connecting plate 4, a fixed shaft 302 is symmetrically inlaid inside the sleeve 301, a connecting rod 303 is penetrated inside the fixed shaft 302, a roller 304 is fixedly sleeved on the outer side of the connecting rod 303, the connecting rod 303 and the roller 304 are symmetrically distributed inside the sleeve 301, and the connecting rod 303 A linkage wheel 305 is fixedly sleeved at one end, and a first belt 306 is sleeved on the linkage wheel 305, and the connecting rod 303 is connected to the first belt 306 through the linkage wheel 305. A driven wheel 307 is fixedly installed on the connecting rod 303 on one side, and the driven wheel 307 is connected to the second belt 7. The design of the above structure enables the servo motor 6 to drive the driven wheels 307 at both ends to rotate through the second belt 7, and then the driven wheel 307 will drive the connecting rod 303 to cooperate with the fixed shaft 302 to rotate inside the sleeve 301. At the same time, the symmetrically distributed connecting rods 303 and linkage wheels 305 will also rotate synchronously through the first belt 306, thereby driving the roller 304 to rotate inside the connecting groove 2, which is beneficial to drive the fixed plate 5 to move horizontally during the rotation process, thereby driving the telescopic cleaning mechanism 9 to effectively clean the writing board body 1.

[0029] A positioning plate 8 is movably connected to one side of the fixed plate 5, and a telescopic cleaning mechanism 9 is installed on the positioning plate 8. The telescopic cleaning mechanism 9 includes limiting holes 901 that are evenly spaced inside the positioning plate 8, and a telescopic rod 902 is slidably connected inside the limiting hole 901. A first spring 903 is sleeved on the telescopic rod 902, and the telescopic rod 902 is telescopically connected to the positioning plate 8 through the first spring 903, and a cleaning block 904 is fixedly installed on one end of the telescopic rod 902. The design of the above structure enables the first spring 903 to pull the telescopic rod 902 to slide inside the limiting hole 901, thereby driving the cleaning block 904 to fit tightly with the writing board body 1, which is beneficial to preventing the telescopic cleaning mechanism 9 from being separated from the writing board body 1 during movement, thereby improving the cleaning effect.

[0030] The positioning plate 8 is connected to the fixed plate 5 through the disassembly and assembly mechanism 10. The disassembly and assembly mechanism 10 includes a docking plate 1001 fixedly installed at both ends of the positioning plate 8. A card slot 1002 is provided inside the docking plate 1001. The docking plate 1001 is internally movably connected to a limited seat 1003. The limited seat 1003 is fixedly connected to the fixed plate 5. A fixed rod 1004 is symmetrically installed inside the limited seat 1003. A second spring 1005 is sleeved on the fixed rod 1004. One end of the second spring 1005 is connected to a movable plate 1006. The movable plate 1006 is telescopically connected to the fixed rod 1004 through the second spring 1005. A limited slot 1007 is provided inside the movable plate 1006. The limited slot 1007 is slidably connected to the fixed rod 1004. The size of the limited slot 1007 is the same as that of the fixed rod 10 04, a block 1008 is fixedly installed at one end of the movable plate 1006, and the movable plate 1006 is engaged with the slot 1002 through the block 1008. The design of the above structure enables the movable plate 1006 to drive the block 1008 to extend and retract inside the limit seat 1003 and on the fixed rod 1004 by pulling the block 1008 and resetting the movable plate 1006 by the second spring 1005, which is beneficial to control the engagement and separation of the block 1008 and the slot 1002, and is beneficial to disassembly and replacement of the docking plate 1001, the positioning plate 8 and the telescopic cleaning mechanism 9 during separation, and is beneficial to installation after replacement of the docking plate 1001, the positioning plate 8 and the telescopic cleaning mechanism 9 during engagement, so as to realize convenient replacement of the telescopic cleaning mechanism 9.

[0031] Working principle: When using the self-cleaning teaching writing board, first Figure 1-5As shown, the positioning plate 8 and the telescopic cleaning mechanism 9 are matched and connected with the fixed plate 5, and the docking plate 1001 is sleeved with the limiting seat 1003, and then the second spring 1005 pushes the movable plate 1006 and the clamping block 1008 to form a clamping engagement with the clamping groove 1002, so that the docking plate 1001, the positioning plate 8 and the telescopic cleaning mechanism 9 are positioned and installed, and then the servo motor 6 is started to drive the second belt 7 and the driven wheel 307 to rotate forward and reverse, thereby driving the connecting rod 303 to cooperate with the linkage wheel 305 and the first belt 306 to rotate synchronously, and at the same time The connecting rod 303 will rotate inside the sleeve 301 through the fixed shaft 302, and drive the roller 304 to rotate inside the sleeve 301, and then the roller 304 will cooperate with the connecting groove 2 to drive the fixed plate 5 to move horizontally when rotating, and drive the telescopic cleaning mechanism 9 to clean the writing board body 1. During the moving cleaning process, the first spring 903 will pull the telescopic rod 902 and the cleaning block 904 to always fit with the writing board body 1, so that the telescopic cleaning mechanism 9 can effectively clean the writing board body 1 during the movement.

[0032] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A teaching writing board that is easy to clean automatically, comprising a writing board body (1) and a fixing plate (5), characterized in that: The upper and lower ends of the writing board body (1) are provided with connection grooves (2), the interior of the connection grooves (2) is connected to an automatic walking mechanism (3), the outer side of the automatic walking mechanism (3) is fixedly connected to a connection plate (4), a fixing plate (5) is fixedly installed between the connection plates (4), a servo motor (6) is installed on the fixing plate (5), the servo motor (6) is connected to a second belt (7), and the second belt (7) is connected to the automatic walking mechanism (3); A positioning plate (8) is movably connected inside one side of the fixed plate (5), and a telescopic cleaning mechanism (9) is installed on the positioning plate (8); The positioning plate (8) is connected to the fixing plate (5) via a disassembly and assembly mechanism (10).

2. The teaching writing board that is easy to clean automatically according to claim 1, characterized in that: The automatic walking mechanism (3) comprises a sleeve (301) fixedly mounted on the inner side of a connecting plate (4); a fixed shaft (302) is symmetrically inlaid inside the sleeve (301); a connecting rod (303) passes through the inner side of the fixed shaft (302); a roller (304) is fixedly sleeved on the outer side of the connecting rod (303); a linkage wheel (305) is fixedly sleeved on one end of the connecting rod (303); a first belt (306) is sleeved on the linkage wheel (305); a driven wheel (307) is fixedly mounted on one side of the connecting rod (303); and the driven wheel (307) is connected to a second belt (7).

3. The teaching writing board that is easy to clean automatically according to claim 2, characterized in that: The connecting rod (303) and the roller (304) are symmetrically distributed inside the sleeve (301), and the connecting rod (303) is connected in transmission via a linkage wheel (305) and a first belt (306).

4. The teaching writing board that is easy to clean automatically according to claim 1, characterized in that: The telescopic cleaning mechanism (9) comprises limiting holes (901) which are arranged at equal intervals inside the positioning plate (8); a telescopic rod (902) is slidably connected inside the limiting hole (901); a first spring (903) is sleeved on the telescopic rod (902); the telescopic rod (902) is telescopically connected to the positioning plate (8) via the first spring (903); and a cleaning block (904) is fixedly mounted on one end of the telescopic rod (902).

5. The teaching writing board that is easy to clean automatically according to claim 1, characterized in that: The disassembly and assembly mechanism (10) comprises a docking plate (1001) fixedly mounted on both ends of the positioning plate (8), a card slot (1002) is provided inside the docking plate (1001), a limit seat (1003) is movably connected inside the docking plate (1001), the limit seat (1003) is fixedly connected to the fixed plate (5), a fixed rod (1004) is symmetrically mounted inside the limit seat (1003), a second spring (1005) is sleeved on the fixed rod (1004), one end of the second spring (1005) is connected to a movable plate (1006), a limit slot (1007) is provided inside the movable plate (1006), the limit slot (1007) is slidably connected to the fixed rod (1004), and a card block (1008) is fixedly mounted on one end of the movable plate (1006).

6. The teaching writing board that is easy to clean automatically according to claim 5, characterized in that: The movable plate (1006) is telescopically connected to the fixed rod (1004) via a second spring (1005), and the movable plate (1006) is engaged with the slot (1002) via a clamping block (1008), and the size of the limiting slot (1007) matches the size of the fixed rod (1004).

Images