CN216545463U

CN216545463U - Adjustable writing white board for primary education

Info

Publication number: CN216545463U
Application number: CN202122914089.0U
Authority: CN
Inventors: 杨丽; 杨嘉宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-17
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses an adjustable writing whiteboard for primary education, relating to the technical field of education devices and comprising the following steps: the device comprises a base, universal wheels, a support rod and a writing main body; two universal wheels are fixedly connected to the bottom of the base; the top of the base is fixedly connected with a supporting rod; the front surface of the supporting rod is movably connected with a writing main body; has the advantages that: when pinyin and Chinese characters are to be written, the two main writing white boards are respectively moved towards two sides, and then the auxiliary writing white boards are completely unfolded, so that the well-printed field character grids and four-line grids are printed on the front surfaces of the auxiliary writing white boards, therefore, a teacher can conveniently and directly write the pinyin and the Chinese characters, the trouble of drawing by the teacher is saved, and the main writing white boards are convenient for the teacher to write other teaching contents.

Description

Adjustable writing white board for primary education

Technical Field

The utility model relates to the technical field of education devices, in particular to an adjustable writing whiteboard for primary education.

Background

The writing whiteboard is an instrument used for writing and demonstrating in the education industry, and generally, the writing whiteboard is a board surface 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. The primary teaching content in primary school teaching is learning of pinyin and Chinese characters, the pinyin is one of important bases for learning Chinese characters, and the pinyin and the Chinese characters need to correspond to each other in learning;

when the pinyin and the Chinese characters are displayed and written standardly, a teacher needs to draw four lines and three grids or field character grids on a white board to teach students to write the pinyin and the Chinese characters standardly, so that the teaching time is delayed; meanwhile, the existing writing white boards are all fixed and cannot be adjusted to move, so that characters on the white boards are often not clearly seen due to reflection; meanwhile, the height of the existing writing whiteboard is fixed, the height of the writing whiteboard cannot be adjusted, the existing writing whiteboard cannot adapt to teachers and students with different heights, and the existing writing whiteboard is inconvenient to store and move; therefore, we propose an adjustable writing whiteboard for primary education to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, an adjustable writing whiteboard for primary education is provided, and the problem that when the existing writing whiteboard is used for performing normative display and writing on pinyin and Chinese characters, a teacher needs to draw three four lines or field character grids on the whiteboard to teach students to write the pinyin and the Chinese characters normatively is solved, so that the teaching time is delayed; meanwhile, the existing writing white boards are all fixed and cannot be adjusted to move, so that characters on the white boards are often not clearly seen due to reflection; the whiteboard height that writes that simultaneously current is highly fixed, can't adjust the height of writing the whiteboard, can not adapt to the teachers and students of different heights, and is not convenient for accomodate the problem of removal.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides an adjustable writing whiteboard for primary education, which comprises: the device comprises a base, universal wheels, a support rod and a writing main body; the bottom of the base is fixedly connected with two universal wheels; the top of the base is fixedly connected with a supporting rod; the front side of the supporting rod is movably connected with a writing main body;

the bracing piece includes: the device comprises a screw rod, a bearing, a first gear, a second gear, a rotary rod, a bearing hole, a rocker and a sliding sleeve;

the writing body includes: the auxiliary writing whiteboard, the grid shaped like Chinese character 'tian', the four-line grid, the mounting plate, the limiting groove, the guide rail, the main writing whiteboard, the sliding block and the magnet I.

Preferably, a screw rod is movably connected inside the supporting rod; the upper part and the lower part of the screw rod are fixedly connected with bearings, and one ends of the bearings are fixedly connected with the inner wall of the supporting rod; one side of the outer wall of the top of the screw rod is fixedly connected with a first gear; a second gear is meshed and connected to the right side of the first gear; a rotating rod is fixedly connected to the right side of the second gear; the right side of the rotating rod extends to the outside of the supporting rod through a bearing hole; the right side of the rotating rod is fixedly connected with a rocker; one side of the outer wall of the screw rod is movably connected with a sliding sleeve, and one end of the sliding sleeve extends to the outside of the supporting rod.

As a preferable aspect of the present invention, the writing main body is provided with a sub-writing whiteboard; one side of the bottom of the back of the auxiliary writing whiteboard is fixedly connected with one end of the sliding sleeve; the front surfaces of the auxiliary writing whiteboards are printed with grid-shaped grids and four-line grids; the upper part and the lower part of the auxiliary writing white board are fixedly connected with mounting plates; limiting grooves are fixedly connected inside the two mounting plates; guide rails are fixedly connected inside the two limiting grooves; the main writing white board is movably connected with the two sides of the front surface of the auxiliary writing white board; the upper part and the lower part of the two main writing white boards are fixedly connected with sliding blocks; the inner parts of the sliding blocks are movably connected to the guide rails; and a magnet I is fixedly connected between the two main writing whiteboards.

Preferably, the two support rods are arranged symmetrically left and right.

Preferably, the two magnets correspond to each other.

(III) advantageous effects

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

(1) horizontal migration about can going on the guide rail through the slider, can drive main blank of writing simultaneously through the removal of slider and control the removal to promote main blank of writing, be convenient for adjust the position that main blank was written, make the student can adjust main blank of writing about the position of writing when unclear because of the reflection of light.

(2) When pinyin and Chinese characters are written, the two main writing white boards are moved to two sides respectively, and then the auxiliary writing white boards are completely unfolded, so that the printed field character grids and four-line grids on the front side of the auxiliary writing white boards are formed, a teacher can write the pinyin and the Chinese characters conveniently and directly, the trouble of drawing by the teacher is eliminated, and the main writing white boards are convenient for the teacher to write other teaching contents.

(3) The rotary rod is driven to rotate inside the inner ring of the bearing hole through the rotary rocker, the second gear is driven to rotate through the rotary rod, the first gear is driven to rotate through the second gear, the lead screw is driven to rotate through the first gear, the sliding sleeve is driven to horizontally lift up and down through the rotation of the lead screw, and the lifting of the writing main body is driven through the lifting of the sliding sleeve, so that the height of the writing main body can be adjusted conveniently, and teachers and students with different heights can be adapted conveniently; when not using simultaneously, be convenient for accomodate writing main part and bracing piece, it is more convenient when making the device remove.

Drawings

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic view of the overall support pole deployment of the present invention;

FIG. 3 is a schematic view of the overall secondary writing whiteboard deployment configuration of the present invention;

FIG. 4 is a right sectional view of the integral supporting rod of the present invention;

FIG. 5 is an enlarged schematic view of FIG. 4 taken generally at A of the present invention;

the reference numerals are explained below:

1. a base; 2. a universal wheel; 3. a support bar; 301. a screw rod; 302. a bearing; 303. a first gear; 304. a second gear; 305. rotating the rod; 306. a bearing bore; 307. a rocker; 308. a sliding sleeve; 4. a writing body; 401. a sub-writing whiteboard; 402. grid shaped like Chinese character 'tian'; 403. a four-line grid;

404. mounting a plate; 405. a limiting groove; 406. a guide rail; 407. a main writing whiteboard; 408. a slider;

409. and a first magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 5, an adjustable writing whiteboard for primary education includes: the device comprises a base 1, universal wheels 2, a support rod 3 and a writing main body 4; the bottom of the base 1 is fixedly connected with two universal wheels 2; the top of the base 1 is fixedly connected with a supporting rod 3; the front surface of the support rod 3 is movably connected with a writing main body 4;

the support rod 3 includes: a screw rod 301, a bearing 302, a first gear 303, a second gear 304, a rotating rod 305, a bearing hole 306, a rocker 307 and a sliding sleeve 308;

the writing body 4 includes: the writing board comprises an auxiliary writing white board 401, a grid 402, a four-line grid 403, a mounting plate 404, a limiting groove 405, a guide rail 406, a main writing white board 407, a sliding block 408 and a first magnet 409.

In this embodiment, the support rod 3 is movably connected with a screw rod 301 inside; the upper end and the lower end of the screw rod 301 are fixedly connected with bearings 302, and one ends of the bearings 302 are fixedly connected with the inner wall of the supporting rod 3; one side of the outer wall of the top of the screw rod 301 is fixedly connected with a first gear 303; a second gear 304 is meshed and connected to the right side of the first gear 303; a rotating rod 305 is fixedly connected to the right side of the second gear 304; the right side of the rotating rod 305 extends to the outside of the supporting rod 3 through a bearing hole 306; a rocker 307 is fixedly connected to the right side of the rotating rod 305; one side of the outer wall of the screw rod 301 is movably connected with a sliding sleeve 308, and one end of the sliding sleeve 308 extends to the outside of the supporting rod 3.

When the writing tool is used specifically, the rocker 307 is rotated, the rocker 307 drives the rotating rod 305 to rotate inside the inner ring of the bearing hole 306, the rotating rod 305 drives the second gear 304 to rotate, the second gear 304 drives the first gear 303 to rotate, the first gear 303 drives the lead screw 301 to rotate, the lead screw 301 rotates to drive the sliding sleeve 308 to horizontally lift up and down, and the sliding sleeve 308 lifts up and down to drive the writing main body 4 to lift up and down, so that the height of the writing main body 4 can be adjusted conveniently, and the writing tool is suitable for teachers and students with different heights; when not using simultaneously, be convenient for accomodate writing main part 4 and bracing piece 3, it is more convenient when making the device remove.

In the present embodiment, the writing body 4 is provided with a sub-writing whiteboard 401; one side of the bottom of the back of the auxiliary writing whiteboard 401 is fixedly connected with one end of the sliding sleeve 308; the front surface of the auxiliary writing whiteboard 401 is printed with a grid 402 and a four-line grid 403; the upper part and the lower part of the auxiliary writing whiteboard 401 are fixedly connected with mounting plates 404; limiting grooves 405 are fixedly connected inside the two mounting plates 404; guide rails 406 are fixedly connected inside the two limiting grooves 405; the main writing white boards 407 are movably connected to both sides of the front surface of the auxiliary writing white board 401; the upper part and the lower part of the two main writing whiteboards 407 are fixedly connected with sliding blocks 408; the insides of the sliding blocks 408 are movably connected on the guide rails 406; a first magnet 409 is fixedly connected between the two main writing whiteboards 407.

When the multifunctional pen is used specifically, the sliding block 408 can horizontally move left and right on the guide rail 406, and the main writing white board 407 can be synchronously driven to move left and right through the movement of the sliding block 408, so that the main writing white board 407 is pushed, the position of the main writing white board 407 is convenient to adjust, and the left and right positions of the main writing white board 407 can be adjusted when a student cannot see clearly due to reflection;

when two main writing white boards 407 move to both sides respectively, the auxiliary writing white board 401 is completely unfolded, so that the front side of the auxiliary writing white board 401 is printed with the field grid 402 and the four-line grid 403, and therefore a teacher can directly write pinyin and Chinese characters conveniently, the trouble of drawing by the teacher is eliminated, and the main writing white board 407 facilitates the teacher to write other teaching contents.

In this embodiment, two support rods 3 are provided and are arranged in bilateral symmetry.

During the specific use, be equipped with two through bracing piece 3, and be bilateral symmetry and set up, make bracing piece 3 more stable when supporting writing the main part.

In this embodiment, the two magnets 409 correspond to each other.

In particular, when the two main writing whiteboards 407 are combined together, the two magnets 409 are attracted to each other, so that the two main writing whiteboards 407 are not separated from each other when combined together.

The utility model relates to a working principle of an adjustable writing whiteboard for primary education, which comprises the following steps:

when the writing tool is used, the rocker 307 is rotated, the rocker 307 drives the rotating rod 305 to rotate inside the inner ring of the bearing hole 306, the rotating rod 305 drives the second gear 304 to rotate, the second gear 304 drives the first gear 303 to rotate, the first gear 303 drives the lead screw 301 to rotate, the lead screw 301 rotates to drive the sliding sleeve 308 to horizontally lift up and down, and the sliding sleeve 308 lifts up and down to drive the writing main body 4 to lift up and down, so that the height of the writing main body 4 can be adjusted conveniently, and the writing tool is suitable for teachers and students with different heights; meanwhile, when the device is not used, the writing body 4 and the supporting rod 3 are convenient to store, so that the device is more convenient to move;

the main writing white board 407 can be synchronously driven to move left and right by the movement of the sliding block 408, so that the main writing white board 407 is pushed, the position of the main writing white board 407 is convenient to adjust, and the left and right positions of the main writing white board 407 can be adjusted by a student when the student cannot clearly see due to light reflection;

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. An adjustable writing whiteboard for primary education, comprising: the multifunctional writing instrument comprises a base (1), universal wheels (2), a supporting rod (3) and a writing main body (4); the method is characterized in that: the bottom of the base (1) is fixedly connected with two universal wheels (2); the top of the base (1) is fixedly connected with a supporting rod (3); the front surface of the supporting rod (3) is movably connected with a writing main body (4);

the support rod (3) comprises: the device comprises a screw rod (301), a bearing (302), a first gear (303), a second gear (304), a rotating rod (305), a bearing hole (306), a rocker (307) and a sliding sleeve (308);

the writing body (4) comprises: the pen comprises an auxiliary writing whiteboard (401), a grid shaped like a Chinese character 'tian' (402), a four-line grid (403), a mounting plate (404), a limiting groove (405), a guide rail (406), a main writing whiteboard (407), a sliding block (408) and a magnet I (409);

a screw rod (301) is movably connected inside the supporting rod (3); the screw rods (301) are fixedly connected with bearings (302) up and down, and one ends of the bearings (302) are fixedly connected with the inner wall of the supporting rod (3); one side of the outer wall of the top of the screw rod (301) is fixedly connected with a first gear (303); a second gear (304) is meshed and connected to the right side of the first gear (303); a rotating rod (305) is fixedly connected to the right side of the second gear (304); the right side of the rotating rod (305) extends to the outside of the supporting rod (3) through a bearing hole (306); a rocker (307) is fixedly connected to the right side of the rotating rod (305); one side of the outer wall of the screw rod (301) is movably connected with a sliding sleeve (308), and one end of the sliding sleeve (308) extends to the outside of the supporting rod (3);

the writing main body (4) is provided with an auxiliary writing white board (401); one side of the bottom of the back of the auxiliary writing whiteboard (401) is fixedly connected with one end of a sliding sleeve (308); the front surfaces of the auxiliary writing whiteboards (401) are printed with a Chinese character 'tian' lattice (402) and a four-line lattice (403); the upper part and the lower part of the auxiliary writing whiteboard (401) are fixedly connected with mounting plates (404); limiting grooves (405) are fixedly connected inside the two mounting plates (404); guide rails (406) are fixedly connected inside the two limiting grooves (405); the main writing white boards (407) are movably connected to the two sides of the front surface of the auxiliary writing white board (401); the upper part and the lower part of each main writing white board (407) are fixedly connected with a sliding block (408); the insides of the sliding blocks (408) are movably connected to the guide rail (406); a first magnet (409) is fixedly connected between the two main writing whiteboards (407).

2. The adjustable writing whiteboard for primary school education according to claim 1, characterized in that: the two support rods (3) are arranged and are arranged in a bilateral symmetry mode.

3. The adjustable writing whiteboard for primary school education according to claim 1, characterized in that: the two magnets I (409) correspond to each other.