CN215512993U

CN215512993U - Teaching board convenient to mathematical education usefulness

Info

Publication number: CN215512993U
Application number: CN202121053416.1U
Authority: CN
Inventors: 周美芝; 张霞; 夏冰心
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-14
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a teaching board convenient for mathematical teaching, which comprises a base, wherein universal wheels are installed at the bottom end of the base, a support frame is installed at the top end of the base, an L-shaped block is installed on the left side of the support frame, a rotating rod is rotatably connected inside the L-shaped block, a gear block is installed on the surface of the rotating rod, the end of the rotating rod is rotatably connected inside the support frame, a teaching board body is arranged on the inner side of the support frame, fixed rods are installed on two sides of the teaching board body and rotatably connected inside the support frame, the gear block is also installed on the surface of each fixed rod, and a chain is movably connected to the surface of each rotating rod through the gear block. According to the utility model, through the matching arrangement of the adjusting mechanism, the movable block and the blackboard eraser in the protective shell, the blackboard eraser can automatically clean chalk dust on the surface of the teaching board, the workload and the burden of teachers are reduced, and the practicability is high.

Description

Teaching board convenient to mathematical education usefulness

Technical Field

The utility model relates to the technical field of mathematical teaching, in particular to a teaching board convenient for mathematical teaching.

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.

When the prior teaching board convenient for mathematical education is used, although the teaching board can be conveniently moved, the following problems still exist in the using process:

1. when the current teaching board for mathematical education is used, the angle of the teaching board is not convenient to adjust, so that the information written on the teaching board cannot be displayed better.

2. Meanwhile, when the chalk dust on the surface of the teaching board convenient for mathematical teaching is cleaned, the blackboard eraser is mostly adopted for manual cleaning, and the frequent cleaning work brings great burden to teachers, so that the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a teaching board for teaching mathematics, which solves the above-mentioned problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a teaching board convenient for mathematical education comprises a base, wherein universal wheels are installed at the bottom end of the base, a support frame is installed at the top end of the base, an L-shaped block is installed on the left side of the support frame, a rotating rod is rotatably connected inside the L-shaped block, a gear block is installed on the surface of the rotating rod, the end of the rotating rod is rotatably connected inside the support frame, a teaching board body is arranged on the inner side of the support frame, fixing rods are installed on two sides of the teaching board body and rotatably connected inside the support frame, the gear block is also installed on the surface of the fixing rod, a chain is movably connected on the surface of the rotating rod through the gear block, the rotating rod and the fixing rods are in chain transmission connection through the gear block, a protective shell is installed on the front side of the teaching board body, a motor is installed on the right side of the protective shell, and a first threaded rod is installed at the power output end of the motor, the inside of protecting crust rotates and is connected with the second threaded rod, the surperficial swing joint of first threaded rod has the drive belt, and first threaded rod and second threaded rod pass through the drive belt transmission and connect, the surperficial threaded connection of first threaded rod and second threaded rod has the movable block, the back mounted of movable block has the blackboard eraser.

Preferably, the protective shell is internally provided with a sliding chute matched with the movable block.

Preferably, the inside of protecting crust has the bracing piece, and movable block swing joint is on the surface of bracing piece.

Preferably, the bearing matched with the rotating rod is welded and installed in the supporting frame.

Preferably, the top end of the base is provided with a placing box, and drawers with different sizes are arranged in the placing box.

Preferably, the inside of support frame is equipped with the check pin.

Compared with the prior art, the utility model provides a teaching board convenient for mathematical education, which has the following beneficial effects:

1. according to the utility model, through the matching arrangement of the support frame, the rotating rod, the fixed rod, the chain and the L-shaped block, a user can conveniently adjust the angle of the teaching board, so that information written on the teaching board can be better displayed.

2. According to the utility model, through the matching arrangement of the adjusting mechanism, the movable block and the blackboard eraser in the protective shell, the blackboard eraser can automatically clean chalk dust on the surface of the teaching board, the workload and the burden of teachers are reduced, and the practicability is high.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the protective shell of the present invention;

fig. 3 is a schematic view of the internal structure of the support frame of the present invention.

In the figure: 1. a base; 2. a support frame; 3. a rotating rod; 4. a teaching board body; 5. fixing the rod; 6. a chain; 7. a protective shell; 8. a motor; 9. a first threaded rod; 10. a second threaded rod; 11. a transmission belt; 12. a movable block; 13. provided is a blackboard eraser.

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.

Referring to fig. 1-3, an embodiment of the present invention is shown: a teaching board convenient for mathematical education comprises a base 1, universal wheels are installed at the bottom end of the base 1, a support frame 2 is installed at the top end of the base 1, an L-shaped block is installed at the left side of the support frame 2, a rotating rod 3 is rotatably connected inside the L-shaped block, a gear block is installed on the surface of the rotating rod 3, the end of the rotating rod 3 is rotatably connected inside the support frame 2, a teaching board body 4 is arranged inside the support frame 2, fixing rods 5 are installed at the two sides of the teaching board body 4, the fixing rods 5 are rotatably connected inside the support frame 2, the gear block is also installed on the surface of the fixing rod 5, a chain 6 is movably connected on the surface of the rotating rod 3 through the gear block, the rotating rod 3 and the fixing rods 5 are in transmission connection through the chain 6, a protective shell 7 is installed on the front side of the teaching board body 4, a motor 8 is installed on the right side of the protective shell 7, a first threaded rod 9 is installed at the power output end of the motor 8, the inside rotation of protecting crust 7 is connected with second threaded rod 10, the surperficial swing joint of first threaded rod 9 has drive belt 11, and first threaded rod 9 and second threaded rod 10 pass through drive belt 11 transmission and connect, the surperficial threaded connection of first threaded rod 9 and second threaded rod 10 has movable block 12, the back mounted of movable block 12 has blackboard eraser 13, through the inside adjustment mechanism of protecting crust 7, movable block 12 and blackboard eraser 13's cooperation sets up, be convenient for blackboard eraser 13 carries out automatic clearance to the chalk dust on teaching board surface, alleviate teacher's work load and burden, both the practicality is strong.

In this implementation, the inside of protective housing 7 is provided with the spout with movable block 12 looks adaptation, is convenient for movable block 12 to stably remove in the inside of protective housing 7.

In this implementation, the inside of protecting crust 7 installs the bracing piece, and movable block 12 swing joint is on the surface of bracing piece, and the bracing piece carries out spacing and the effect of direction to movable block 12.

In this implementation, the bearing of the adaptation with bull stick 3 is installed to the inside welding of support frame 2, and the bull stick 3 of being convenient for passes through the stable rotation of bearing.

In this implementation, the top of base 1 is installed and is placed the case, and the inside of placing the case is equipped with the drawer of variation in size, is convenient for store the teaching aid of not equidimension.

In this implementation, the inside of support frame 2 is equipped with the check pin, dies the dead lock to dead lever 5 through the check pin.

The working principle is as follows: the teaching board for mathematical education, through rotating the rotating rod 3, the chain 6 drives the fixed rod 5 to rotate, the fixed rod 5 drives the teaching board body 4 to rotate, thereby the user can conveniently adjust the angle of the teaching board body 4, thereby the information written on the teaching board body 4 can be better displayed, the fixed rod 5 can be locked through the locking nail arranged in the locking support frame 2, thereby the teaching board body 4 is prevented from moving due to the influence of gravity after the angle of the teaching board body 4 is adjusted, the first threaded rod 9 is rotated by starting the motor 8, the first threaded rod 9 drives the second threaded rod 10 to rotate through the driving belt 11, the first threaded rod 9 and the second threaded rod 10 rotate in the same direction at the same time, the movable block 12 stably moves on the surface of the supporting rod, at the moment, the movable block 12 drives the blackboard eraser 13 to automatically clean the chalk dust on the surface of the teaching board body 4, alleviate teacher's work load and burden, both the practicality is strong, through the top installation of base 1 place the case, and the inside of placing the case is equipped with the drawer of variation in size, is convenient for store the teaching aid of equidimension not from this.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a teaching board convenient to mathematical education is used, includes base (1), its characterized in that: the teaching board is characterized in that universal wheels are installed at the bottom end of the base (1), a support frame (2) is installed at the top end of the base (1), an L-shaped block is installed on the left side of the support frame (2), a rotating rod (3) is rotatably connected to the inside of the L-shaped block, a gear block is installed on the surface of the rotating rod (3), the end of the rotating rod (3) is rotatably connected to the inside of the support frame (2), a teaching board body (4) is arranged on the inner side of the support frame (2), fixing rods (5) are installed on two sides of the teaching board body (4), the fixing rods (5) are rotatably connected to the inside of the support frame (2), the gear block is also installed on the surface of each fixing rod (5), a chain (6) is movably connected to the surface of the rotating rod (3) through the gear block, the rotating rod (3) and the fixing rods (5) are in transmission connection through the chain (6) through the gear block, a protective shell (7) is installed on the front surface of the teaching board body (4), motor (8) are installed on the right side of protecting crust (7), first threaded rod (9) are installed to the power take off end of motor (8), the internal rotation of protecting crust (7) is connected with second threaded rod (10), the surperficial swing joint of first threaded rod (9) has drive belt (11), and first threaded rod (9) and second threaded rod (10) are connected through drive belt (11) transmission, the surperficial threaded connection of first threaded rod (9) and second threaded rod (10) has movable block (12), the back mounted of movable block (12) has blackboard eraser (13).

2. A teaching board for facilitating mathematics teaching as claimed in claim 1, wherein: the protective shell (7) is internally provided with a sliding chute matched with the movable block (12).

3. A teaching board for facilitating mathematics teaching as claimed in claim 1, wherein: the inside of protective housing (7) is equipped with the bracing piece, and movable block (12) swing joint is on the surface of bracing piece.

4. A teaching board for facilitating mathematics teaching as claimed in claim 1, wherein: and a bearing matched with the rotating rod (3) is welded inside the support frame (2).

5. A teaching board for facilitating mathematics teaching as claimed in claim 1, wherein: the top of base (1) is installed and is placed the case, and the inside of just placing the case is equipped with the drawer of variation in size.

6. A teaching board for facilitating mathematics teaching as claimed in claim 1, wherein: the inside of support frame (2) is equipped with the check pin.