CN209851898U

CN209851898U - Blackboard for teaching

Info

Publication number: CN209851898U
Application number: CN201822219489.8U
Authority: CN
Inventors: 臧传玺; 姜梅; 张鹏; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-27
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a blackboard for teaching, including base and mounting panel, the mounting panel both sides are fixed connection dead lever respectively, and two parallel and vertical settings of dead lever all set up vertical spout on every dead lever, base upside symmetry is equipped with the lift cylinder, and the equal vertical upwards setting of piston rod of two lift cylinders, the vertical slide bar of the equal fixed connection in piston rod top of every lift cylinder, every vertical slide bar homoenergetic slide from top to bottom in rather than corresponding vertical spout. The utility model has the advantages that: the height of the blackboard can be adjusted to the optimal position by pushing the two lifting cylinders up and down according to different heights of teachers, the dust collector can be opened to suck generated dust when the teachers use chalks to write or erase the blackboard on the blackboard, the two blackboards are pulled to two sides when the teaching display screen is used, the teaching display screen is pushed out by the push-pull cylinders, and the two blackboards can also be used when the teaching display screen is used.

Description

Blackboard for teaching

Technical Field

The utility model relates to an education and teaching technical field especially relates to a blackboard is used in teaching.

Background

At present, the blackboard that uses in the classroom is for classroom teaching class usefulness, however present blackboard structure is fixed, most fixed and wall, can't carry out altitude mixture control, because every teacher's height is different, inconvenient teacher writes on the blackboard, the teacher is when saying a lesson, still mainly lean on traditional blackboard cooperation chalk to carry out teaching content explanation or demonstration, this kind of teaching mode has the use flexibility, but it is stiff that there is the information transfer mode simultaneously, teacher work intensity of labour is big, and easily produce a large amount of dust pollution, thereby lead to the teaching quality relatively lower, current teaching display screen is mostly all adorned on the blackboard, make the usable place of blackboard very little like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a blackboard for teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a blackboard is used in teaching which characterized in that: the lifting air cylinder is symmetrically arranged on the upper side of the base, piston rods of the two lifting air cylinders are vertically and upwards arranged, the top end of the piston rod of each lifting air cylinder is fixedly connected with a vertical sliding rod, and each vertical sliding rod can vertically slide in the corresponding vertical sliding groove;

the blackboard comprises a blackboard body and is characterized by further comprising two transverse rods arranged in parallel, wherein two sides of each transverse rod are respectively fixed on two vertical sliding rods, one side of each transverse rod is provided with a transverse sliding groove, the two transverse sliding grooves are oppositely arranged, two blackboards are arranged between the two transverse rods, and each blackboard horizontally slides in the transverse sliding groove opposite to the blackboard through sliding blocks on the upper side and the lower side of each blackboard;

the mounting panel is towards one side fixed connection push-and-pull cylinder of two blackboards, and push-and-pull cylinder's piston rod level sets up, and push-and-pull cylinder's piston rod is connected fixed frame, is equipped with the teaching display screen in the fixed frame.

Preferably, the upside of base is equipped with the dust catcher, and the dust absorption mouth of dust catcher is vertical upwards sets up, and the pipe is connected on dust absorption mouth top, and the pipe level sets up, and the outer circular wall of pipe is gone up the vertical a set of dust absorption pipe that is equipped with, and the horizontal pole of downside is all run through to the upper end of every dust absorption pipe, and the air outlet of dust catcher is connected the dust storage box, and dust storage box fixed connection is at the upside of base.

Preferably, at least one dust filtering net is arranged in the dust storage box, an air inlet hole is formed in one end of the dust storage box and connected with an air outlet of the dust suction machine, and an air exhaust hole is formed in the other end of the dust storage box.

Preferably, the number of the dust suction pipes is eight.

Preferably, one side of the mounting plate is provided with four mounting holes, and the mounting holes are used for fixing the mounting plate on a wall surface.

The utility model has the advantages that: the utility model provides a blackboard for teaching structure scientific and reasonable, can promote the height to the optimum position that adjusts the blackboard from top to bottom through two lift cylinders according to teacher's height difference, the teacher uses the chalk to write or open the dust catcher and can suck away the dust that produces when sassafras the blackboard on the blackboard, the dust screen filters the dust, the hole of airing exhaust is arranged away the wind, when using the teaching display screen, pull open two blackboards to both sides, release the teaching display screen through push-pull cylinder, two blackboards also can use when using the teaching display screen.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of the basic structure of the push-pull cylinder and the teaching display screen;

fig. 3 is another perspective view of the present invention;

fig. 4 is a schematic view of the basic structure of the dust box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a blackboard for teaching, its characterized in that: including base 1 and mounting panel 6, one side of mounting panel 6 is equipped with four mounting holes 9, and mounting hole 9 passes through the bolt to be fixed mounting panel 6 on the wall, and 6 both sides of mounting panel are welded fixed connection dead lever 7 respectively, and two parallel and vertical settings of dead lever 7 all set up vertical spout on every dead lever 7, base 1 is rectangular shaped plate, and 1 upside symmetry bolt fastening lift cylinder 2 of base, the equal vertical upwards setting of piston rod of two lift cylinders 2, the vertical slide bar of every lift cylinder 2's the equal welded fastening connection in piston rod top, every vertical slide bar homoenergetic slides from top to bottom in rather than corresponding vertical spout.

The blackboard comprises two transverse rods 3 which are arranged in parallel, wherein two sides of each transverse rod 3 are respectively welded and fixed on two vertical sliding rods, one side of each transverse rod 3 is provided with a transverse sliding chute 8, the two transverse sliding chutes 8 are oppositely arranged, two blackboards 4 are connected between the two transverse rods 3 in a sliding fit manner, and each blackboard 4 horizontally slides in the transverse sliding chute opposite to the corresponding blackboard 4 through sliding blocks at the upper side and the lower side of the blackboard;

the mounting panel is towards one side bolt fixed connection push-and-pull cylinder 10 of two blackboards 4, and push-and-pull cylinder 10's piston rod level sets up, and push-and-pull cylinder 10's the fixed frame 11 of piston rod fixed connection is equipped with the display screen peg in the fixed frame 11, and the bolt fastening teaching display screen on the display screen peg.

The fixed dust catcher 12 of upside of base 1, the vertical upwards setting of dust absorption mouth of dust catcher 12, pipe 12.1 is connected on dust absorption mouth top, pipe 12.1 level sets up, the vertical a set of dust absorption pipe 12.2 that is equipped with on the outer circular wall of pipe 12.1, a set of dust absorption pipe 12.2 is eight, the horizontal pole 3 of downside is all run through to the upper end of every dust absorption pipe 12.2, dust storage box 13 is connected to the air outlet of dust catcher 12, dust storage box 13 welded fastening connects the upside at base 1. At least one dust filtering net 13.2 is arranged in the dust storage box 13, one end of the dust storage box 13 is provided with an air inlet hole 13.1, the air inlet hole 13.1 is connected with an air outlet of the dust suction machine 12, and the other end of the dust storage box 13 is provided with an air outlet hole 13.3.

The utility model discloses the theory of operation does: when the blackboard eraser is used, the height of the blackboard can be adjusted to the optimal position by pushing the two lifting cylinders 2 up and down according to different heights of teachers, the teachers can suck generated dust when opening the dust collector 12 on the blackboard for writing or erasing the blackboard with chalk, the dust filter 13.2 filters the dust, the air exhaust holes 13.3 exhaust air, when the teaching display screen is used, the two blackboards 4 are pulled open towards two sides, the teaching display screen is pushed out through the push-pull cylinders 10, and the two blackboards 4 can also be used when the teaching display screen is used.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blackboard is used in teaching which characterized in that: the lifting device comprises a base (1) and a mounting plate (6), wherein two sides of the mounting plate (6) are respectively fixedly connected with a fixed rod (7), the two fixed rods (7) are arranged in parallel and vertically, a vertical chute is arranged on each fixed rod (7), lifting cylinders (2) are symmetrically arranged on the upper side of the base (1), piston rods of the two lifting cylinders (2) are vertically and upwardly arranged, the top end of a piston rod of each lifting cylinder (2) is fixedly connected with a vertical slide rod, and each vertical slide rod can vertically slide in the corresponding vertical chute;

the blackboard comprises two transverse rods (3) which are arranged in parallel, wherein two sides of each transverse rod (3) are respectively fixed on two vertical sliding rods, one side of each transverse rod (3) is provided with a transverse sliding groove (8), the two transverse sliding grooves (8) are oppositely arranged, two blackboards (4) are arranged between the two transverse rods (3), and each blackboard (4) horizontally slides in the transverse sliding groove opposite to the corresponding blackboard through sliding blocks on the upper side and the lower side of the blackboard;

the mounting panel is towards one side fixed connection push-and-pull cylinder (10) of two blackboards (4), and the piston rod level setting of push-and-pull cylinder (10), fixed frame (11) are connected to the piston rod of push-and-pull cylinder (10), are equipped with the teaching display screen in fixed frame (11).

2. A blackboard for teaching as claimed in claim 1, characterised in that: the upside of base (1) is equipped with cleaner (12), and the dust absorption mouth of cleaner (12) is vertical upwards sets up, and pipe (12.1) is connected on dust absorption mouth top, and pipe (12.1) level sets up, and the outer perisporium of pipe (12.1) is gone up the vertical a set of dust absorption pipe (12.2) that is equipped with, and horizontal pole (3) of downside all run through in the upper end of every dust absorption pipe (12.2), and dust storage box (13) is connected to the air outlet of cleaner (12), and dust storage box (13) fixed connection is at the upside of base (1).

3. A blackboard for teaching as claimed in claim 2, characterised in that: the dust collection device is characterized in that at least one dust filtering net (13.2) is arranged in the dust storage box (13), an air inlet hole (13.1) is formed in one end of the dust storage box (13), the air inlet hole (13.1) is connected with an air outlet of the dust collector (12), and an air exhaust hole (13.3) is formed in the other end of the dust storage box (13).

4. A blackboard for teaching as claimed in claim 2, characterised in that: the number of the dust suction pipes (12.2) is eight.

5. A blackboard for teaching as claimed in claim 1, characterised in that: one side of mounting panel (6) is equipped with four mounting hole (9), and mounting hole (9) are used for fixing mounting panel (6) on the wall.