CN211335309U

CN211335309U - English teaching board convenient to operation demonstration

Info

Publication number: CN211335309U
Application number: CN202020025319.0U
Authority: CN
Inventors: 唐建怀
Original assignee: LONGNAN TEACHERS COLLEGE
Current assignee: LONGNAN TEACHERS COLLEGE
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-08-25
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses an english teaching board convenient to operation demonstration belongs to teaching aid technical field, comprising a base plate, the top of bottom plate is rotated and is connected with elevating assembly, elevating assembly's top fixedly connected with frame, the front of frame is provided with the laying dust box, the inner wall sliding connection of frame has the subassembly of cleaning, and cleans the outside that the left side of subassembly runs through the frame and extends to the frame, the left side fixedly connected with equipment box of frame, the left side fixedly connected with of frame is located the fixed plate of equipment box top. The utility model discloses a set up elevating module, can directly come the height of freedom adjusting device through elevating module, the teacher of being convenient for more writes and student's study for the device is more convenient in daily use, cleans the subassembly through the setting, makes the word that the chalk was write can clean automatically, need not the teacher and cleans by hand, has reduced the intensity of labour that the teacher cleaned, and avoids by a wide margin to clean the problem that arouses the dust to fly upward.

Description

English teaching board convenient to operation demonstration

Technical Field

The utility model relates to a teaching aid technical field, more specifically say, relate to an english teaching board convenient to operation demonstration.

Background

The teaching board is a board placed in a classroom or a meeting room, and is used for writing contents with chalk or a water-based pen to play a role in explaining and demonstrating.

Present english teaching board is mostly bulky, it is inconvenient to remove, and it is very troublesome to demonstrate, it is inconvenient to carry, and the most bulky great of teaching board that possess on the existing market, and carry comparatively difficult function that does not possess the removal, and mostly do not possess raising and lowering functions, teaching board itself can not adjust its height, it is inconvenient to use to the teacher that some heights are low, and write the content with the chalk, need wipe it, can write again, the process of wiping makes the dust fall in the eyes easily, it wastes energy and time to wipe simultaneously, the problem of troublesome and the lift function that does not possess exists to clean.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an english teaching board convenient to operation demonstration possesses and cleans simple and possess raising and lowering functions's advantage, has solved and has cleaned the trouble and do not possess raising and lowering functions's problem.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an english teaching board convenient to operation demonstration, includes the bottom plate, the top of bottom plate is rotated and is connected with elevating assembly, elevating assembly's top fixedly connected with frame, the front of frame is provided with the laying dust box, the inner wall sliding connection of frame has the subassembly of cleaning, and cleans the outside that the left side of subassembly runs through the frame and extend to the frame, the left side fixedly connected with equipment box of frame, the left side fixedly connected with of frame is located the fixed plate of equipment box top, the bottom embedding of fixed plate is installed and is rotated the seat, the inner diapire of equipment box is provided with servo motor, servo motor's output shaft fixedly connected with lead screw, and the lead screw runs through the equipment box and rotate the seat and be connected, the surperficial threaded connection of lead screw has the thread bush, the thread bush with clean subassembly fixed connection.

Preferably, the sliding groove is formed in the right side of the inner wall of the frame, the sliding block is fixedly connected to the right side of the cleaning assembly, and the sliding block is located on the inner wall of the sliding groove.

Preferably, clean the subassembly and include the bar shaped plate, the left side fixedly connected with connecting rod of bar shaped plate, connecting rod and thread bush fixed connection, the back of bar shaped plate is provided with cleans the sponge.

Preferably, a limiting opening is formed in the left side of the frame, and the connecting rod is located on the inner wall of the limiting opening.

Preferably, the inner bottom wall of the frame is provided with a strip-shaped opening, the strip-shaped opening is communicated with the dust collecting box, and the front side of the dust collecting box is fixedly connected with a handle.

Preferably, the bottom four corners of the bottom plate are fixedly connected with universal wheels, the top of the bottom plate is embedded with a bearing seat, and the inner edge of the bearing seat is fixedly connected with the lifting assembly.

Preferably, the lifting assembly comprises a lifting base, a lifting rod is inserted into the top of the lifting base, uniformly distributed through holes are formed in the surfaces of the lifting rod and the lifting base, and fixing bolts are inserted into the front faces of the through holes.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this english teaching board convenient to operation demonstration, through setting up lifting unit, can be directly come the height of freedom adjusting device through lifting unit, the teacher of being convenient for more writes and student's study, it is more convenient to make the device in daily use, clean the subassembly through the setting, make the word that the chalk was written can be cleaned automatically, need not the teacher and clean by hand, the intensity of labour that the teacher cleaned has been reduced, and avoid by a wide margin to clean the problem that arouses the dust to fly upward, through setting up the laying dust box, can effectively collect the dust of chalk, avoid the dust to scatter outside, influence teacher and student's physical and mental health, the secondary has been avoided simultaneously and has cleaned the problem of dust.

(2) This english teaching board convenient to operation demonstration through setting up spout and slider, carries on spacingly to cleaning the subassembly, avoids cleaning the subassembly and takes place rotatoryly cleaning the in-process, and the normal operating of guarantee device plays the spacing effect of secondary through setting up spacing mouthful to cleaning the subassembly.

(3) This english teaching board convenient to operation demonstration through setting up the handle, collects at the laying dust box and changes more conveniently when full, uses simpler, and through setting up the bar mouth, the dust can directly get into the inside of laying dust box through the bar mouth.

(4) This english teaching board convenient to operation demonstration through setting up the universal wheel for the device can freely remove, strengthens the flexibility of device, and the teaching board is more convenient when using, through setting up the bearing frame, makes whole device can the free rotation, uses and the teaching in-process, and is more convenient, strengthens the practicality of device.

Drawings

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

fig. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a base plate; 101. a universal wheel; 102. a bearing seat; 2. a lifting assembly; 201. a lifting base; 202. a lifting rod; 203. a through hole; 204. fixing the bolt; 3. a frame; 301. a chute; 302. a limiting port; 303. a strip-shaped opening; 4. a dust accumulation box; 401. a handle; 5. an equipment box; 6. a fixing plate; 7. a servo motor; 8. a rotating seat; 9. a screw rod; 10. a threaded sleeve; 11. a sweeping assembly; 1101. a connecting rod; 1102. a strip plate; 1103. wiping sponge; 1104. a slide block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an english teaching board convenient for operation and demonstration comprises a bottom board 1, a lifting component 2 rotatably connected to the top of the bottom board 1, a frame 3 fixedly connected to the top of the lifting component 2, a dust collecting box 4 arranged on the front of the frame 3, a cleaning component 11 slidably connected to the inner wall of the frame 3, the left side of the cleaning assembly 11 penetrates through the frame 3 and extends to the outside of the frame 3, the left side of the frame 3 is fixedly connected with an equipment box 5, the left side of the frame 3 is fixedly connected with a fixed plate 6 positioned above the equipment box 5, the bottom of the fixed plate 6 is embedded and installed with a rotating seat 8, the inner bottom wall of the equipment box 5 is provided with a servo motor 7, the output shaft of the servo motor 7 is fixedly connected with a screw rod 9, and the screw rod 9 penetrates through the equipment box 5 and is rotationally connected with the rotating seat 8, the surface of the screw rod 9 is in threaded connection with a threaded sleeve 10, and the threaded sleeve 10 is fixedly connected with the cleaning assembly 11.

Further, spout 301 has been seted up on the inner wall right side of frame 3, cleans the right side fixedly connected with slider 1104 of subassembly 11, and slider 1104 is located the inner wall of spout 301, through setting up spout 301 and slider 1104, carries on spacingly cleaning subassembly 11, avoids cleaning subassembly 11 and takes place rotatoryly cleaning the in-process, ensures the normal operating of device.

Further, clean subassembly 11 including strip shaped plate 1102, strip shaped plate 1102's left side fixedly connected with connecting rod 1101, connecting rod 1101 and thread bush 10 fixed connection, strip shaped plate 1102's back is provided with cleans sponge 1103, cleans subassembly 11 through the setting for the word that the chalk was write can be cleaned automatically, need not the mr and clean by hand, has reduced the intensity of labour that the mr cleaned, and avoids by a wide margin to clean the problem that causes the dust to fly upward.

Further, a limiting opening 302 is formed in the left side of the frame 3, the connecting rod 1101 is located on the inner wall of the limiting opening 302, and the cleaning assembly 11 is limited secondarily by the aid of the limiting opening 302.

Further, the bar mouth 303 has been seted up to the inner diapire of frame 3, and bar mouth 303 and laying dust box 4 intercommunication, the positive fixedly connected with handle 401 of laying dust box 4, through setting up handle 401, it is more convenient to change when laying dust box 4 is collected to fill up, uses simpler, through setting up bar mouth 303, the dust can directly get into the inside of laying dust box 4 through bar mouth 303.

Further, the equal fixedly connected with universal wheel 101 in bottom four corners of bottom plate 1, bearing frame 102 is installed in the top embedding of bottom plate 1, and the inner edge and the 2 fixed connection of lifting unit of bearing frame 102 are through setting up universal wheel 101 for the device can freely remove, strengthens the flexibility of device, and the teaching board is more convenient when using, through setting up bearing frame 102, makes whole device can the free rotation, uses and the teaching in-process, and is more convenient, strengthens the practicality of device.

Further, lifting unit 2 includes lifting base 201, and it has lifter 202 to peg graft at lifting base 201's top, and evenly distributed's through-hole 203 has all been seted up on lifter 202 and lifting base 201's surface, and it has fixing bolt 204 to peg graft in the front of through-hole 203, through setting up lifting unit 2, can directly come from by adjusting device's height through lifting unit 2, and the teacher of being convenient for more writes and student's study for it is more convenient that the device is in daily use.

The working principle is as follows: the device is moved to a proper position through the universal wheel 101, the device can be freely moved by arranging the universal wheel 101, the flexibility of the device is enhanced, the teaching board is more convenient to use, the lifting component 2 is adjusted according to actual conditions, the lifting rod 202 is lifted upwards, the lifting component 2 is fixed by the through hole 203 and the fixing bolt 204, the lifting component 2 can directly come from the height of an adjusting device through the lifting component 2, the teacher can write and the student can learn more conveniently, the device is more convenient to use in daily life, the servo motor 7 (model is GL80AEA07530-SCL) is started, the servo motor 7 drives the screw rod 9 to rotate on the rotating seat 8, the threaded sleeve 10 is driven to move up and down, the cleaning component 11 is driven to clean the inside of the frame 3, the sponge 1103 is directly contacted with chalk, and the cleaning component 11 is arranged, so that characters written by the chalk can be automatically cleaned, the cleaning device has the advantages that manual cleaning of teachers is not needed, the labor intensity of cleaning of teachers is reduced, the problem that dust flies due to large-amplitude cleaning is avoided, the connecting rod 1101 moves in the limiting opening 302, the limiting opening 302 is arranged to play a secondary limiting role in the cleaning component 11, the sliding block 1104 moves in the sliding groove 301, the sliding groove 301 and the sliding block 1104 are arranged to limit the cleaning component 11, the cleaning component 11 is prevented from rotating in the cleaning process, normal operation of the cleaning device is guaranteed, dust directly enters the dust collecting box 4 through the strip-shaped opening 303, dust of chalk can be effectively collected through the dust collecting box 4, the dust is prevented from scattering outside to affect physical and mental health of teachers and students, meanwhile, the problem of secondary dust cleaning is avoided, through the strip-shaped opening 303, the dust can directly enter the dust collecting box 4 through the strip-shaped opening 303, and when the dust collecting box 4 needs to be cleaned, directly take out laying dust box 4 through handle 401, clear up, through setting up handle 401, it is more convenient to collect when full change at laying dust box 4, and it is simpler to use, can directly rotate through bearing frame 102 when the device needs to rotate, through setting up bearing frame 102 for whole device can the free rotation, uses and the teaching in-process, and is more convenient, strengthens the practicality of device.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an english teaching board convenient to operation demonstration, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is rotatably connected with a lifting assembly (2), the top of the lifting assembly (2) is fixedly connected with a frame (3), a dust collecting box (4) is arranged on the front side of the frame (3), the inner wall of the frame (3) is slidably connected with a cleaning assembly (11), the left side of the cleaning assembly (11) penetrates through the frame (3) and extends to the outside of the frame (3), the left side of the frame (3) is fixedly connected with an equipment box (5), the left side of the frame (3) is fixedly connected with a fixing plate (6) positioned above the equipment box (5), a rotating seat (8) is embedded and installed at the bottom of the fixing plate (6), a servo motor (7) is arranged on the inner bottom wall of the equipment box (5), an output shaft of the servo motor (7) is fixedly connected with a lead screw (9), and the lead screw (9) penetrates through the equipment box (5) and is rotatably connected with, the surface of the screw rod (9) is in threaded connection with a threaded sleeve (10), and the threaded sleeve (10) is fixedly connected with a cleaning assembly (11).

2. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: the inner wall right side of frame (3) has seted up spout (301), clean the right side fixedly connected with slider (1104) of subassembly (11), slider (1104) are located the inner wall of spout (301).

3. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: cleaning subassembly (11) includes strip shaped plate (1102), the left side fixedly connected with connecting rod (1101) of strip shaped plate (1102), connecting rod (1101) and thread bush (10) fixed connection, the back of strip shaped plate (1102) is provided with wipes sponge (1103).

4. An english teaching board for facilitating manipulation of a presentation according to claim 3, wherein: spacing mouthful (302) have been seted up to the left side of frame (3), connecting rod (1101) are located the inner wall of spacing mouthful (302).

5. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: strip mouth (303) have been seted up to the inner diapire of frame (3), strip mouth (303) and laying dust box (4) intercommunication, the front fixedly connected with handle (401) of laying dust box (4).

6. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: the lifting mechanism is characterized in that universal wheels (101) are fixedly connected to four corners of the bottom plate (1), bearing seats (102) are embedded into the top of the bottom plate (1), and the inner edges of the bearing seats (102) are fixedly connected with the lifting assembly (2).

7. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: the lifting assembly (2) comprises a lifting base (201), a lifting rod (202) is inserted into the top of the lifting base (201), through holes (203) which are uniformly distributed are formed in the surfaces of the lifting rod (202) and the lifting base (201), and fixing bolts (204) are inserted into the front faces of the through holes (203).