CN219382055U - Teaching board - Google Patents

Abstract

The utility model relates to the technical field of teaching boards, and discloses a teaching board, which comprises a teaching board, wherein the teaching board comprises two brackets, two blackboard plates are arranged on the brackets, the two blackboard plates are arranged on opposite surfaces of the two brackets, an adjusting component is arranged at the bottom of each bracket, the adjusting component comprises an adjusting plate I, the adjusting plate I is arranged at the bottom of the two brackets, when the teaching board is required to be used, the blackboard plates are firstly adjusted to a height suitable for use through lifting rods, then the blackboard plates are moved to a proper position through pulleys, as a movable rod is arranged at the top of the adjusting plate I, the movable rod passes through the adjusting plate I and the adjusting plate II and is connected with a bearing of the adjusting plate I, then a spring is arranged at the outer side wall of the movable rod, and a limiting block is arranged at one end of the movable rod, so that the adjusting plate I can rotate at the upper part of the adjusting plate II through pushing the blackboard plates, the adjusting plate I can be limited through the elasticity of the spring after the adjustment is finished, the operation is convenient, and the structure is simple.

Description

Teaching board

Technical Field

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

Background

The teaching board is a device used for writing and demonstrating in education industry, and is usually a board surface placed in a classroom or a meeting room, chalk or an aqueous pen is used for writing, so that the teaching board plays a role in explaining and demonstrating, the front body of the teaching board is a blackboard, the traditional blackboard is simply formed by smearing black paint on the surface of a flat board or a cement board and other hard objects, and after the black paint is dried, the chalk is used for writing.

According to patent application number CN202121401710.7, an adjustable English teaching board comprises a fixed base, wherein a plurality of supporting legs are arranged at the bottom of the fixed base, two fixed rods are symmetrically arranged on the fixed base, an adjustable teaching main body is arranged on the fixed rods, and the adjustable teaching main body comprises a fixed frame and a plurality of teaching boards, wherein the fixed frame is arranged on the fixed rods in a sliding manner, and the teaching boards are arranged on the fixed frame in a sliding manner; the lifting plate is connected to two sides of the fixed frame through rotating shafts respectively, an electric telescopic rod is arranged at the bottom of the lifting plate, and the electric telescopic rod is connected with a controller arranged on the fixed rod.

According to the above patent, the device is complex in structure, can only simply lift, and inconvenient to adjust the angle of blackboard, has restricted teacher's teaching efficiency, has reduced teaching quality.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the teaching board which has the advantage of being convenient for adjusting the blackboard, and solves the problem that the existing teaching board is inconvenient to adjust.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a teaching board, includes the teaching board, the teaching board includes

The support is provided with two supports;

blackboard, which is installed on the opposite surfaces of the two brackets;

an adjusting component is arranged at the bottom of the bracket and comprises

The first adjusting plate is arranged at the bottoms of the two brackets;

the second adjusting plate is arranged at the bottom of the first adjusting plate;

the lifting rods are symmetrically arranged at the bottom of the second adjusting plate;

the connecting plate is arranged at the bottom of the lifting rod;

pulleys are symmetrically arranged on two sides of the bottom of the connecting plate;

the movable rod is arranged at the top of the first adjusting plate, and one end of the movable rod penetrates through the first adjusting plate and the second adjusting plate;

the spring is arranged on the outer side wall of the movable rod;

the limiting block is arranged at one end of the movable rod.

Preferably, an auxiliary assembly is arranged at the bottom of the second adjusting plate, and the auxiliary assembly comprises

And the protection pipe is arranged at the bottom of the second adjusting plate.

Preferably, the outer side wall of the lifting rod is provided with scales.

Preferably, the outer side wall of one end of the movable rod is provided with threads, and the top of the limiting block is provided with a threaded hole.

Preferably, the bottom of the first adjusting plate is symmetrically provided with an arc-shaped slide way, and the top of the second adjusting plate is symmetrically provided with a slide bar.

Preferably, the bottom of the second adjusting plate and the top of the first adjusting plate are symmetrically provided with sleeves.

Preferably, a groove is formed in the top of the first adjusting plate.

Preferably, the connecting plate is connected with the lifting rod through a bolt.

(III) beneficial effects

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

this teaching board, through when needs use, at first through the lifter with the blackboard height that is fit for using, then remove the blackboard suitable position through the pulley, owing to set up the movable rod at the top of regulating plate one, the movable rod passes regulating plate one and regulating plate two, and be connected rather than the bearing, then set up the spring at the lateral wall of movable rod, set up the stopper in the one end of movable rod, can make regulating plate one rotate on regulating plate two's upper portion through promoting the blackboard like this, reach the effect of regulation, carry out spacingly to regulating plate one through the elasticity of spring after the regulation is accomplished, and is convenient for operation, and simple structure only need spacing through the elasticity of spring can.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the protective tube according to the present utility model;

FIG. 3 is a schematic view of the top of the stopper according to the present utility model;

FIG. 4 is a schematic view of a bottom portion of the adjusting plate according to the present utility model;

FIG. 5 is a schematic view of the top of the second adjusting plate according to the present utility model;

FIG. 6 is a schematic view of a top portion of the regulator plate of the present utility model.

In the figure:

1. a teaching board; 11. a bracket; 12. a blackboard;

2. an adjustment assembly; 21. an adjusting plate I; 22. an adjusting plate II; 23. a lifting rod; 231. a connecting plate; 24. a pulley; 25. a movable rod; 26. a spring; 27. a limiting block;

3. an auxiliary component; 31. a protective tube; 32. a scale; 33. a sleeve; 34. a thread; 341. a threaded hole; 35. an arc-shaped slideway; 36. a slide bar; 37. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a teaching board, includes teaching board 1, teaching board 1 includes

A bracket 11, wherein two brackets 11 are arranged;

blackboard 12 mounted on the opposite surfaces of the two brackets 11;

an adjusting component 2 is arranged at the bottom of the bracket 11, and the adjusting component 2 comprises

The first adjusting plate 21 is arranged at the bottoms of the two brackets 11;

the second adjusting plate 22 is arranged at the bottom of the first adjusting plate 21;

lifting rods 23 are symmetrically arranged at the bottom of the second adjusting plate 22;

a connection plate 231 provided at the bottom of the lifting rod 23;

pulleys 24 symmetrically arranged at both sides of the bottom of the connection plate 231;

the movable rod 25 is arranged at the top of the first adjusting plate 21, and one end of the movable rod penetrates through the first adjusting plate 21 and the second adjusting plate 22;

a spring 26 provided on an outer side wall of the movable lever 25;

and a stopper 27 disposed at one end of the movable rod 25.

Referring to fig. 1 to 6, when the blackboard 12 is required to be used, firstly, the lifting rod 23 is used for adjusting the blackboard 12 to a height suitable for use, then the pulley 24 is used for moving the blackboard 12 to a proper position, as the movable rod 25 is arranged at the top of the first adjusting plate 21, the movable rod 25 penetrates through the first adjusting plate 21 and the second adjusting plate 22 and is connected with the bearings of the first adjusting plate and the second adjusting plate, then the spring 26 is arranged on the outer side wall of the movable rod 25, and the limiting block 27 is arranged at one end of the movable rod 25, so that the first adjusting plate 21 can rotate on the upper part of the second adjusting plate 22 by pushing the blackboard 12, the adjusting effect is achieved, the first adjusting plate 21 is limited by the elasticity of the spring 26 after the adjustment is finished, the operation is convenient, the structure is simple, and the limiting can be carried out only by the elasticity of the spring 26.

Example two

The auxiliary assembly 3 is added on the basis of the first embodiment.

The bottom of regulating plate two 22 is provided with auxiliary assembly 3, auxiliary assembly 3 including protection pipe 31 set up in the bottom of regulating plate two 22, the lateral wall of lifter 23 is provided with scale 32, the one end lateral wall of movable rod 25 is provided with screw thread 34, screw hole 341 has been seted up at the top of stopper 27, arc slide 35 has been seted up to the bottom symmetry of regulating plate one 21, the top symmetry of regulating plate two 22 is provided with slide bar 36, the bottom of regulating plate two 22 with the top of regulating plate one 21 is all symmetrically provided with sleeve pipe 33, recess 37 has been seted up at the top of regulating plate one 21, connecting plate 231 with lifter 23 passes through bolted connection.

Referring to fig. 1-6, through setting up the protective tube 31 in the bottom of regulating plate two 22, can avoid exposing in this way spring 26, play a protective effect to spring 26, the aesthetic degree of device has been increased, through setting up scale 32 at the lateral wall of lifter 23, can conveniently adjust two lifter 23 to same height like this, through setting up screw 34 in the one end of movable rod 25, set up screw hole 341 at the top of stopper 27, can conveniently follow-up dismantlement spring 26 like this, also can adjust the extrusion degree to spring 26 through twisting stopper 27, through set up arc slide 35 in the bottom symmetry of regulating plate one 21, set up slide bar 36 in the top symmetry of regulating plate two 22, so can make slide bar 36 dock with arc slide 35, can increase the structural stability of regulating plate one 21 and regulating plate two 22, also move more steadily, through setting up sleeve 33 at the bottom and the top of regulating plate two regulating plates one 21 respectively symmetry, insert sleeve 33 inboard with the one end of lifter 23 and support 11 like this, and with its bolt connection, so conveniently follow-up lift 23 and support 23 are dismantled at the bottom of regulating plate one 21, can be followed by screwing down the setting up support 23 and the groove 37 and can be followed by setting up the groove 23 and the subsequent groove 23, so convenient for dismantlement of the lifting tool is realized through setting up the support 23 and the groove 37 and the subsequent groove 23, and the subsequent lifting tool is placed at the top groove 23 is convenient and is convenient to be dismantled.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)

1. The utility model provides a teaching board, includes teaching board (1), teaching board (1) includes

A bracket (11), wherein the bracket (11) is provided with two brackets;

blackboard (12) mounted on the opposite surfaces of the two brackets (11);

the method is characterized in that: an adjusting component (2) is arranged at the bottom of the bracket (11), and the adjusting component (2) comprises

The first adjusting plate (21) is arranged at the bottoms of the two brackets (11);

the second adjusting plate (22) is arranged at the bottom of the first adjusting plate (21);

lifting rods (23) are symmetrically arranged at the bottom of the second adjusting plate (22);

a connecting plate (231) arranged at the bottom of the lifting rod (23);

pulleys (24) symmetrically arranged on two sides of the bottom of the connecting plate (231);

the movable rod (25) is arranged at the top of the first adjusting plate (21), and one end of the movable rod penetrates through the first adjusting plate (21) and the second adjusting plate (22);

a spring (26) provided on the outer side wall of the movable rod (25);

the limiting block (27) is arranged at one end of the movable rod (25).

2. A teaching board according to claim 1, characterized in that: an auxiliary component (3) is arranged at the bottom of the second adjusting plate (22), and the auxiliary component (3) comprises

And the protection pipe (31) is arranged at the bottom of the second adjusting plate (22).

3. A teaching board according to claim 2, characterized in that: the outer side wall of the lifting rod (23) is provided with scales (32).

4. A teaching board according to claim 3, characterized in that: the outer side wall of one end of the movable rod (25) is provided with threads (34), and the top of the limiting block (27) is provided with a threaded hole (341).

5. A teaching board according to claim 4 and characterized in that: arc-shaped slide ways (35) are symmetrically arranged at the bottom of the first adjusting plate (21), and sliding rods (36) are symmetrically arranged at the top of the second adjusting plate (22).

6. A teaching board according to claim 5, characterized in that: the bottom of the second adjusting plate (22) and the top of the first adjusting plate (21) are symmetrically provided with sleeves (33).

7. A teaching board according to claim 6 and characterized in that: a groove (37) is formed in the top of the first adjusting plate (21).

8. A teaching board according to claim 7 and characterized in that: the connecting plate (231) is connected with the lifting rod (23) through bolts.