CN211335309U - English teaching board convenient to operation demonstration - Google Patents

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

An English teaching board that is easy to operate and demonstrate

technical field

The utility model relates to the technical field of teaching appliances, in particular to an English teaching board which is convenient for operation and demonstration.

Background technique

The teaching board is an appliance used in the writing and presentation of the education industry. Usually, the teaching board is a board placed in the classroom or conference room, and the content is written with chalk or water-based pen, which plays the role of explaining the demonstration.

Most of the existing English teaching boards are bulky, inconvenient to move, cumbersome to demonstrate, and inconvenient to carry, and most of the teaching boards currently on the market are large in size, difficult to carry, and do not have the function of moving, and most of them are not mobile. It does not have the lifting function, and the height of the teaching board itself cannot be adjusted. It is inconvenient for some teachers with low height to use, and the content of writing with chalk needs to be wiped off before writing again. The process of wiping is easy to cause dust to fall. In the eyes, it is laborious and time-consuming to wipe at the same time, and there are problems in that it is troublesome to wipe and does not have a lifting function.

Utility model content

1. Technical problems to be solved

In view of the problems existing in the prior art, the purpose of the present invention is to provide an English teaching board that is easy to operate and demonstrate, which has the advantages of simple wiping and a lifting function, and solves the problems of troublesome wiping and no lifting function.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

An English teaching board for easy operation and demonstration, comprising a bottom plate, a lifting assembly is rotatably connected to the top of the bottom plate, a frame is fixedly connected to the top of the lifting assembly, a dust collecting box is arranged on the front of the frame, and a The inner wall is slidably connected with a cleaning assembly, and the left side of the cleaning assembly penetrates the frame and extends to the outside of the frame, the left side of the frame is fixedly connected with an equipment box, and the left side of the frame is fixedly connected with a fixing plate located above the equipment box , the bottom of the fixed plate is embedded with a rotating seat, the inner bottom wall of the equipment box is provided with a servo motor, the output shaft of the servo motor is fixedly connected with a screw rod, and the screw rod penetrates the equipment box and rotates with the rotating seat The surface of the screw rod is threadedly connected with a threaded sleeve, and the threaded sleeve is fixedly connected with the cleaning assembly.

Preferably, a chute is provided on the right side of the inner wall of the frame, a slider is fixedly connected to the right side of the cleaning assembly, and the slider is located on the inner wall of the chute.

Preferably, the cleaning assembly includes a strip-shaped plate, the left side of the strip-shaped plate is fixedly connected with a connecting rod, the connecting rod and the threaded sleeve are fixedly connected, and the back of the strip-shaped plate is provided with a wiping sponge.

Preferably, a limit opening is provided on the left side of the frame, and the connecting rod is located on the inner wall of the limit opening.

Preferably, the inner bottom wall of the frame is provided with a bar-shaped opening, the bar-shaped opening communicates with the dust collecting box, and the front surface 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 lift assembly includes a lift base, a lift rod is inserted into the top of the lift base, and uniformly distributed through holes are formed on the surfaces of the lift rod and the lift base, and the front side of the through hole is inserted with Fixing bolts.

3. Beneficial effects

Compared with the prior art, the advantages of the present utility model are:

(1) The English teaching board, which is easy to operate and demonstrate, can adjust the height of the device directly by setting the lifting component, which is more convenient for teachers to write and students to learn, and makes the device more convenient in daily use. Component, so that the words written by chalk can be wiped automatically, without the need for the teacher to wipe manually, which reduces the labor intensity of the teacher's wiping, and avoids the problem of dust flying caused by large-scale wiping. , to avoid dust scattered outside, affecting the physical and mental health of teachers and students, and avoid the problem of secondary dust cleaning.

(2) The English teaching board, which is easy to operate and demonstrate, limits the cleaning components by setting the chute and the slider to prevent the cleaning components from rotating during the wiping process and ensure the normal operation of the device. The cleaning component acts as a secondary limiter.

(3) The English teaching board, which is easy to operate and demonstrate, is more convenient to replace when the dust collecting box is full by setting the handle, and it is easier to use. By setting the strip opening, the dust can directly enter the dust collecting box through the strip opening. internal.

(4) The English teaching board, which is easy to operate and demonstrate, is provided with a universal wheel, so that the device can move freely, which enhances the flexibility of the device, and the teaching board is more convenient to use. In the process of use and teaching, it is more convenient and the practicability of the device is enhanced.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front sectional view of the utility model;

FIG. 3 is an enlarged view of the position A in FIG. 1 of the present utility model.

Description of the labels in the figure:

1. Bottom plate; 101, Universal wheel; 102, Bearing seat; 2. Lifting assembly; 201, Lifting base; 202, Lifting rod; 203, Through hole; 204, Fixing bolt; 3. Frame; 301, Chute; 302 , limit port; 303, bar port; 4, dust box; 401, handle; 5, equipment box; 6, fixed plate; 7, servo motor; 8, rotating seat; 9, screw rod; 10, threaded sleeve 11, cleaning components; 1101, connecting rod; 1102, strip plate; 1103, wiping sponge; 1104, slider.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the orientations shown in the accompanying drawings Or the positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. . Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Fig. 1-3, an English teaching board for easy operation and demonstration, including a bottom plate 1, a lift assembly 2 is rotatably connected to the top of the bottom plate 1, a frame 3 is fixedly connected to the top of the lift assembly 2, and the front of the frame 3 is provided with an area In the dust box 4, the inner wall of the frame 3 is slidably connected with the cleaning assembly 11, and the left side of the cleaning assembly 11 penetrates the frame 3 and extends to the outside of the frame 3, the left side of the frame 3 is fixedly connected with the equipment box 5, and the left side of the frame 3 A fixed plate 6 located above the equipment box 5 is fixedly connected, the bottom of the fixed plate 6 is embedded with a rotating seat 8, the inner bottom wall of the equipment box 5 is provided with a servo motor 7, and the output shaft of the servo motor 7 is fixedly connected with a lead screw 9 , and the screw rod 9 penetrates the equipment box 5 and is rotatably connected with the rotating base 8 , the surface of the screw rod 9 is threadedly connected with a threaded sleeve 10 , and the threaded sleeve 10 is fixedly connected with the cleaning assembly 11 .

Further, a chute 301 is opened on the right side of the inner wall of the frame 3, and a slider 1104 is fixedly connected to the right side of the cleaning assembly 11. The slider 1104 is located on the inner wall of the chute 301. The component 11 is limited to prevent the cleaning component 11 from rotating during the wiping process, so as to ensure the normal operation of the device.

Further, the cleaning assembly 11 includes a strip plate 1102, the left side of the strip plate 1102 is fixedly connected with a connecting rod 1101, the connecting rod 1101 is fixedly connected with the threaded sleeve 10, and the back of the strip plate 1102 is provided with a wiping sponge 1103. The cleaning component 11 enables the words written with chalk to be wiped automatically, without the need for the teacher to wipe manually, which reduces the labor intensity of the teacher's wiping, and avoids the problem of dust flying caused by large-scale wiping.

Further, a limit opening 302 is provided on the left side of the frame 3 , and the connecting rod 1101 is located on the inner wall of the limit opening 302 .

Further, the inner bottom wall of the frame 3 is provided with a bar-shaped opening 303, the bar-shaped opening 303 communicates with the dust collecting box 4, and a handle 401 is fixedly connected to the front of the dust collecting box 4. By arranging the handle 401, the dust collecting box 4 is collected. It is more convenient to replace when it is full, and it is simpler to use. By setting the bar-shaped opening 303, the dust can directly enter the interior of the dust collecting box 4 through the bar-shaped opening 303.

Further, the bottom four corners of the bottom plate 1 are fixedly connected with a universal wheel 101, the top of the bottom plate 1 is embedded and installed with a bearing seat 102, and the inner edge of the bearing seat 102 is fixedly connected with the lifting assembly 2. By setting the universal wheel 101, the device is It can move freely, enhance the flexibility of the device, and the teaching board is more convenient to use. By setting the bearing seat 102, the entire device can rotate freely, which is more convenient during use and teaching, and enhances the practicability of the device.

Further, the lifting assembly 2 includes a lifting base 201, and a lifting rod 202 is inserted into the top of the lifting base 201. The surfaces of the lifting rod 202 and the lifting base 201 are provided with evenly distributed through holes 203, and the front side of the through holes 203 is inserted with The fixing bolt 204, by setting the lifting assembly 2, can directly adjust the height of the device through the lifting assembly 2, which is more convenient for teachers to write and students to learn, and makes the device more convenient in daily use.

Working principle: The device is moved to a suitable position through the universal wheel 101, and the device can move freely by setting the universal wheel 101, which enhances the flexibility of the device, and the teaching board is more convenient to use. Adjust the lifting component 2 according to the actual situation, Lift the lifting rod 202 upward, and use the through hole 203 and the fixing bolt 204 to fix the lifting assembly 2. By setting the lifting assembly 2, the height of the device can be adjusted freely directly through the lifting assembly 2, which is more convenient for teachers to write and students to learn. To make the device more convenient in daily use, start the servo motor 7 (model GL80AEA07530-SCL), and the servo motor 7 drives the screw 9 to rotate on the rotating seat 8, thereby driving the threaded sleeve 10 to move up and down, and driving the cleaning assembly 11 to the frame 3 The inside is wiped, and the wiping sponge 1103 is in direct contact with the chalk. By setting the cleaning component 11, the words written by the chalk can be wiped automatically without the need for the teacher to wipe manually, which reduces the labor intensity of the teacher's wiping, and avoids the problem of dust flying caused by large-scale wiping. , the connecting rod 1101 moves in the limit port 302, by setting the limit port 302, it plays a secondary limit on the cleaning assembly 11, the slider 1104 moves in the chute 301, and by setting the chute 301 and the slider 1104, The cleaning assembly 11 is limited to prevent the cleaning assembly 11 from rotating during the wiping process, so as to ensure the normal operation of the device. The dust directly enters the interior of the dust storage box 4 through the strip opening 303. By setting the dust storage box 4, it can be effectively The dust of the chalk is collected to prevent the dust from being scattered outside, affecting the physical and mental health of teachers and students, and at the same time avoiding the problem of secondary dust cleaning. Inside, when the dust box 4 needs to be cleaned, the dust box 4 can be taken out directly through the handle 401 for cleaning. By setting the handle 401, it is more convenient to replace the dust box 4 when it is full, and it is easier to use. When rotating, the bearing seat 102 can be rotated directly. By setting the bearing seat 102, the whole device can be freely rotated, which is more convenient during use and teaching, and enhances the practicability of the device.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present utility model.

Claims (7)

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).

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