CN215341442U

CN215341442U - Novel blackboard is used in primary school's english teaching

Info

Publication number: CN215341442U
Application number: CN202120949107.6U
Authority: CN
Inventors: 李论
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-28
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a novel blackboard for primary school English teaching, which comprises an end liner plate, wherein first racks are fixedly arranged on two sides of the end liner plate, one end of one side of each of the two first racks is respectively meshed with a gear, the middle position of one side of each of the two gears is rotatably arranged on one side of an external wall surface, one end of the outer wall of each of the two gears is respectively meshed with a second rack, and the top ends of the two second racks are respectively fixedly provided with a connecting rod. Increase the practicality of novel blackboard for primary school's english teaching.

Description

Novel blackboard is used in primary school's english teaching

Technical Field

The utility model relates to the field of novel primary school English teaching blackboards, in particular to a novel primary school English teaching blackboard.

Background

The blackboard is not particularly a black board, but traditionally is a ground plane which can be repeatedly written by chalk, the board is hard and is mainly used for teaching, and the blackboard is generally made of wood boards or ground glass and can be written on by special writing materials such as chalk. The multifunctional combined blackboard is mainly black, dark green, white or beige, a multifunctional combined board, an interactive electronic whiteboard, a projection board with a screen, and a staff music blackboard, is a combination of a blackboard in the traditional sense and modern science and technology, is matched with the electronic whiteboard, a projector, a computer, corresponding teaching software and hardware perfectly supplement the defects in the traditional teaching, and ensures that the modern teaching technology really walks into classrooms and is a necessary trend for the development of the current education career.

Among the prior art, blackboard for primary school's english teaching is the combination of writing blackboard and liquid crystal display usually, consequently when using the blackboard, needs clean writing the blackboard in the classroom, and the primary school student leads to writing the blackboard clean unclean because of the restriction of body height easily when writing the blackboard, also easily because the blackboard atress is inhomogeneous and drop because the cleanness of forcing leads to, and the blackboard body is write in the damage, consequently needs a novel blackboard for primary school's english teaching.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel blackboard for primary school English teaching, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel blackboard is used in primary school's english teaching, includes the end liner, the both sides of end liner are all fixed and are equipped with first rack, two the one end of first rack one side all meshes and is equipped with the gear, two the intermediate position of gear one side all rotates the one side of setting at external wall, two the one end of gear outer wall all meshes and is equipped with the second rack, two the top of second rack is all fixed and is equipped with the connecting rod, and the top of two second racks respectively with the both ends fixed connection of connecting rod bottom, the intermediate position of connecting rod bottom is fixed and is equipped with electric telescopic handle, electric telescopic handle's flexible end and the intermediate position fixed connection at end liner top.

Preferably, a liquid crystal display screen is embedded in the middle of one side of the bottom lining plate.

Preferably, the both ends of end liner one side are all fixed and are equipped with the dead lever, two one side of dead lever is all fixed and is equipped with first draw runner, two the both ends of first draw runner all slide and are equipped with first spout, and just four first spouts set up respectively in one side of four location strips, four one side of location strip is all fixed and is equipped with the blackboard of writing, and one side of four location strips respectively with two both ends fixed connection who writes the blackboard both sides.

Preferably, both ends of the other side of the bottom lining plate are fixedly provided with second sliding strips, and the two second sliding strips are respectively arranged on one sides of the two external second sliding grooves in a sliding manner.

Preferably, two the one end of first rack one side all is fixed and is equipped with first locating piece, two the one end of second rack one side all is fixed and is equipped with the second locating piece, two the one end at first locating piece top all is fixed and is equipped with the locating lever, two the one end of locating lever outer wall alternates with the intermediate position at two second locating piece tops respectively and is connected, two the other end of locating lever outer wall all alternates and is equipped with the spring, two the top of locating lever is all fixed and is equipped with the stopper.

Preferably, one of them one side of dead lever is fixed and is equipped with flush mounting plate of switch, flush mounting plate's surface is the fixed electric telescopic handle switch and the liquid crystal display switch of being equipped with respectively, electric telescopic handle and liquid crystal display switch and external power supply electric connection through electric telescopic handle switch and liquid crystal display switch respectively.

The utility model has the technical effects and advantages that:

(1) the bottom lining plate is driven to move by the telescopic end of the electric telescopic rod fixed at the middle position of the bottom of the connecting rod, first racks fixedly arranged on two sides of the bottom lining plate are respectively meshed with one sides of two gear outer walls rotatably connected to the wall surface, and second racks meshed with the other ends of the two gear outer walls respectively drive the connecting rod to move upwards;

(2) the fixed locating lever that is equipped with of one end through first rack one side drives the locating lever on top and alternates on the fixed second locating piece top that is equipped with of one end of second rack one side, through the elastic deformation of spring and the fixing of stopper for the end liner board with write the blackboard and stably remove, thereby protect novel primary school's blackboard for english teaching, increase the life of novel primary school's blackboard for english teaching.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the lifting structure of the present invention;

fig. 3 is a schematic view of the telescopic structure of the present invention.

In the figure: 1. a backing plate; 2. fixing the rod; 3. a liquid crystal display screen; 4. a first rack; 5. a gear; 6. a second rack; 7. a connecting rod; 8. an electric telescopic rod; 9. a first positioning block; 10. a second positioning block; 11. positioning a rod; 12. a spring; 13. a limiting block; 14. a first slide bar; 15. a positioning bar; 16. a writing blackboard; 17. a second slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a novel blackboard for primary school English teaching as shown in figures 1-3, which comprises a bottom lining plate 1, wherein first racks 4 are fixedly arranged on both sides of the bottom lining plate 1, one end of one side of each of the two first racks 4 is engaged with a gear 5, the middle position of one side of each of the two gears 5 is rotatably arranged on one side of an external wall surface, one end of the outer wall of each of the two gears 5 is engaged with a second rack 6, the top ends of the two second racks 6 are fixedly provided with a connecting rod 7, the top ends of the two second racks 6 are respectively fixedly connected with both ends of the bottom of the connecting rod 7, an electric telescopic rod 8 is fixedly arranged at the middle position of the bottom of the connecting rod 7, the telescopic end of the electric telescopic rod 8 is fixedly connected with the middle position of the top of the bottom lining plate 1, one side of one fixed rod 2 is fixedly provided with a switch panel, and an electric telescopic rod switch and a liquid crystal display screen switch are respectively fixedly arranged on the surface of the switch panel, the electric telescopic rod 8 and the liquid crystal display screen 3 are electrically connected with an external power supply through an electric telescopic rod switch and a liquid crystal display screen switch respectively;

the utility model provides a novel blackboard for primary school English teaching as shown in figure 2, which comprises a bottom lining plate 1, wherein a liquid crystal display screen 3 is embedded in the middle position of one side of the bottom lining plate, first positioning blocks 9 are fixedly arranged at one ends of one sides of two first racks 4, second positioning blocks 10 are fixedly arranged at one ends of one sides of two second racks 6, positioning rods 11 are fixedly arranged at one ends of the tops of the two first positioning blocks 9, one ends of the outer walls of the two positioning rods 11 are respectively and alternately connected with the middle positions of the tops of the two second positioning blocks 10, springs 12 are respectively and alternately arranged at the other ends of the outer walls of the two positioning rods 11, and limiting blocks 13 are fixedly arranged at the top ends of the two positioning rods 11;

the utility model provides a novel blackboard for primary school English teaching, which is shown in figure 3 and comprises a bottom lining plate 1, wherein two ends of one side of the bottom lining plate 1 are respectively fixedly provided with a fixed rod 2, one side of two fixed rods 2 is respectively fixedly provided with a first slide bar 14, two ends of two first slide bars 14 are respectively provided with a first slide groove in a sliding manner, four first slide grooves are respectively arranged at one side of four positioning bars 15, one side of each of four positioning bars 15 is respectively fixedly provided with a writing blackboard 16, one side of each of four positioning bars 15 is respectively fixedly connected with two ends of two sides of the two writing blackboards 16, two ends of the other side of the bottom lining plate 1 are respectively fixedly provided with a second slide bar 17, the two second slide bars 17 are respectively arranged at one side of two external second slide grooves in a sliding manner, and the length of the fixed rods 2 is longer than the lengths of the bottom lining plate 1, which is provided with two gears 5, two first racks 4 and two second racks 6.

The working principle of the utility model is as follows: when the primary school students need to clean the writing blackboards 16, the electric telescopic rod switch fixed on one side of the fixed rod 2 is opened, so that the telescopic end of the electric telescopic rod 8 fixed at the middle position of the bottom of the connecting rod 7 drives the bottom lining plate 1 to move, the bottom lining plate 1 slides with a second chute arranged on an external wall body through a second sliding strip 17 fixedly arranged on one side, first racks 4 fixedly arranged on two sides of the bottom lining plate 1 are respectively meshed with one sides of the outer walls of two gears 5 rotatably connected to the wall surface, meanwhile, second racks 6 meshed with the other ends of the outer walls of the two gears 5 respectively drive the connecting rod 7 to move upwards, the bottom lining plate 1 and the connecting rod 7 move oppositely through the gears 5 as fulcrums through the expansion and contraction of the electric telescopic rod 8, so that the bottom lining plate 1 drives the two writing blackboards 16 to move downwards to proper positions, and the primary school students can clean the writing blackboards 16 conveniently, the fixed locating piece 9 that is equipped with of one end of first rack 4 one side drives the locating lever 11 on top to alternate in the fixed second locating piece 10 top that is equipped with of one end of second rack 6 one side, through the elastic deformation of spring 12 and the fixed of stopper 13 for end liner board 1 and writing blackboard 16 steady movement.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel blackboard for primary school English teaching comprises a bottom lining board (1) and is characterized in that, first racks (4) are fixedly arranged on two sides of the bottom lining plate (1), gears (5) are meshed with one ends of one sides of the two first racks (4), the middle positions of one sides of the two gears (5) are rotatably arranged on one side of an external wall, second racks (6) are meshed with one ends of the outer walls of the two gears (5), connecting rods (7) are fixedly arranged at the top ends of the two second racks (6), and the top ends of the two second racks (6) are respectively fixedly connected with the two ends of the bottom of the connecting rod (7), an electric telescopic rod (8) is fixedly arranged in the middle of the bottom of the connecting rod (7), the telescopic end of the electric telescopic rod (8) is fixedly connected with the middle position of the top of the bottom lining plate (1).

2. A novel blackboard for primary school english teaching according to claim 1, characterized in that a liquid crystal display (3) is embedded in the middle of one side of the bottom lining (1).

3. The novel blackboard for primary school english teaching of claim 1, characterized in that, the both ends of end liner board (1) one side are all fixed and are equipped with dead lever (2), two one side of dead lever (2) is all fixed and is equipped with first draw runner (14), two the both ends of first draw runner (14) are all slided and are equipped with first spout, and four first spouts set up respectively in one side of four location bars (15), four one side of location bar (15) is all fixed and is equipped with writing blackboard (16), and one side of four location bars (15) respectively with two both ends fixed connection of writing blackboard (16) both sides.

4. A novel blackboard for primary school English teaching according to claim 1, wherein the second sliding strips (17) are fixed at both ends of the other side of the bottom lining plate (1), and the two second sliding strips (17) are respectively arranged at one side of the two external second sliding grooves in a sliding manner.

5. The novel blackboard for primary school english teaching according to claim 1, characterized in that, the one end of one side of two first racks (4) is all fixed with first locating piece (9), the one end of one side of two second racks (6) is all fixed with second locating piece (10), the one end at the top of two first locating pieces (9) is all fixed with locating lever (11), the one end of two locating lever (11) outer wall alternates with the intermediate position at the top of two second locating pieces (10) respectively and is connected, the other end of two locating lever (11) outer wall all alternates and is equipped with spring (12), the top of two locating lever (11) is all fixed and is equipped with stopper (13).

6. The novel blackboard for primary school english teaching of claim 3, characterized in that, one side of one of them dead lever (2) is fixed and is equipped with flush mounting plate of switch, flush mounting plate's surface is fixed respectively and is equipped with electric telescopic handle switch and liquid crystal display switch, electric telescopic handle (8) and liquid crystal display (3) are respectively through electric telescopic handle switch and liquid crystal display switch and external power source electric connection.