CN212098158U

CN212098158U - Angle-adjustable blackboard

Info

Publication number: CN212098158U
Application number: CN202020849844.4U
Authority: CN
Inventors: 朱恩希
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-08
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses an angularly adjustable blackboard, including stand and blackboard main part, the lower extreme fixed mounting of stand has the base, the lower extreme fixed mounting of base has the gyro wheel, equal fixedly connected with connecting axle in the middle of the both sides of blackboard main part, fixedly connected with dead lever in the middle of the lower extreme of blackboard main part, the lower extreme fixedly connected with locating plate of dead lever, the front end surface of stand is located the fixed position of the below of blackboard main part and installs the layer board, the lower extreme outer fixed surface of layer board is connected with the installation pole, the upper end rear fixed mounting of layer board has the locating lever, the locating lever comprises bracing piece and ejector pin, flexible groove has been seted up to the inside of bracing piece, the lower extreme of ejector pin is located the fixed position of the inside in flexible. The utility model discloses can conveniently carry out the regulation of angle to the blackboard to the use of the blackboard of can being convenient for has the practicality.

Description

Angle-adjustable blackboard

Technical Field

The utility model relates to a blackboard technical field especially relates to a blackboard of angularly adjustable.

Background

The blackboard is a plane which can be repeatedly written by chalk, the board surface is hard and is mainly used for teaching, the blackboard is generally made of wood boards or ground glass and the like, and the blackboard can be written on by using specific writing materials such as chalk and the like.

The existing blackboard has certain defects when being used, the blackboard is not convenient enough when being used, on one hand, the blackboard is not convenient to move, on the other hand, the blackboard is inconvenient to adjust in angle, certain influence is brought to the use process, and therefore the blackboard with the adjustable angle is provided at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an angle-adjustable blackboard.

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

the utility model provides an angularly adjustable blackboard, includes stand and blackboard main part, the lower extreme fixed mounting of stand has the base, the lower extreme fixed mounting of base has the gyro wheel, equal fixedly connected with connecting axle in the middle of the both sides of blackboard main part, fixedly connected with dead lever in the middle of the lower extreme of blackboard main part, the lower extreme fixedly connected with locating plate of dead lever, the constant head tank has been seted up to the surface of locating plate, the front end surface of stand is located the fixed position of the below of blackboard main part and has the layer board, the lower extreme outer fixed surface of layer board is connected with the installation pole, the upper end rear fixed mounting of layer board has the locating lever, the locating lever.

Preferably, flexible groove has been seted up to the inside of bracing piece, the fixed position that the lower extreme of ejector pin is located the inside in flexible groove installs the limiting plate, the fixed position that the lower extreme of limiting plate is located the inside in flexible groove is connected with the spring, the lower extreme of spring and the inner wall fixed connection in flexible groove, the ejector pin passes through spring and bracing piece swing joint.

Preferably, the locating plate is of an arc-shaped structure, the number of the locating grooves is a plurality of groups, and the locating grooves are distributed at equal intervals on the outer surface of the lower end of the locating plate.

Preferably, the connecting shaft penetrates through the upright post and is movably connected with the upright post, and the blackboard main body is movably connected with the upright post through the connecting shaft.

Preferably, the number of the mounting rods is two, the lower ends of the mounting rods are fixedly connected with the base, and the supporting plate is fixedly mounted at the front end of the upright post through the mounting rods.

Preferably, the outer surface of the roller is movably provided with a support, the upper end of the support is sleeved with a connecting sleeve, the upper end of the connecting sleeve is fixedly connected with a mounting screw rod, a position between the support and the connecting sleeve and inside the connecting sleeve is filled with a rubber pad, and the roller is fixedly mounted at the lower end of the base through the mounting screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through base, gyro wheel, support, adapter sleeve, installation screw rod, rubber pad, layer board and the installation pole that sets up, utilize the gyro wheel can conveniently move the blackboard to make the blackboard can move according to the use needs, the rubber pad on the gyro wheel structure can play the cushioning effect, more stable when making the blackboard remove, layer board can conveniently place when the blackboard uses and accomodate writing tool or teaching aid, more convenient when making the blackboard use;

2. in the utility model, the blackboard can rotate between the upright posts through the connecting shaft to adjust the angle through the connecting shaft, the fixing rod, the positioning plate, the positioning rod, the supporting rod, the ejector rod, the telescopic groove, the limiting plate and the spring, and then the ejector rod on the positioning rod is inserted into the positioning groove of the positioning plate to fix the blackboard, so that the blackboard can adjust the angle according to the use requirement, and the blackboard is convenient to use;

to sum up, the utility model discloses can conveniently carry out the regulation of angle to the blackboard to the use of the blackboard of can being convenient for has the practicality.

Drawings

FIG. 1 is a front view of an angularly adjustable blackboard according to the present invention;

FIG. 2 is a schematic view of a connection structure between a blackboard main body and a positioning plate of the blackboard with adjustable angle according to the present invention;

FIG. 3 is a schematic structural view of a positioning rod of an angularly adjustable blackboard according to the present invention;

fig. 4 is the structural schematic diagram of the roller of the blackboard with adjustable angle provided by the utility model.

In the figure: the blackboard comprises a vertical column 1, a base 2, rollers 3, a support 4, a connecting sleeve 5, a mounting screw 6, a rubber pad 7, a blackboard main body 8, a connecting shaft 9, a fixing rod 10, a positioning plate 11, a positioning groove 12, a supporting plate 13, a mounting rod 14, a positioning rod 15, a supporting rod 16, a mandril 17, an expansion groove 18, a limiting plate 19 and a spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1-3, a blackboard with adjustable angle, including stand 1 and blackboard main body 8, the lower extreme fixed mounting of stand 1 has base 2, the lower extreme fixed mounting of base 2 has gyro wheel 3, equal fixedly connected with connecting axle 9 in the middle of blackboard main body 8's both sides, fixedly connected with dead lever 10 in the middle of blackboard main body 8's the lower extreme, the lower extreme fixedly connected with locating plate 11 of dead lever 10, constant head tank 12 has been seted up to locating plate 11's surface, the fixed position that the front end surface of stand 1 is located blackboard main body 8's below has layer board 13, the lower extreme outer surface fixed connection of layer board 13 has installation pole 14, the upper end rear fixed mounting of layer board 13 has locating lever 15, locating lever 15.

The telescopic groove 18 is formed in the support rod 16, the position of the lower end of the ejector rod 17 in the telescopic groove 18 is fixedly provided with a limiting plate 19, the position of the lower end of the limiting plate 19 in the telescopic groove 18 is fixedly connected with a spring 20, the lower end of the spring 20 is fixedly connected with the inner wall of the telescopic groove 18, and the ejector rod 17 is movably connected with the support rod 16 through the spring 20.

Wherein, the locating plate 11 is the arc structure, and the quantity of constant head tank 12 is a plurality of groups, and the constant head tank surface of a plurality of groups 12 at the lower extreme of locating plate 11 is the equidistant distribution.

Wherein, the connecting shaft 9 runs through the upright post 1 and is movably connected with the upright post 1, and the blackboard main body 8 is movably connected with the upright post 1 through the connecting shaft 9.

Wherein, the quantity of installation pole 14 is two sets of, and the lower extreme and the base 2 fixed connection of installation pole 14, layer board 13 pass through the front end of installation pole 14 fixed mounting at stand 1.

Example two:

referring to fig. 1-4, an angularly adjustable blackboard, including stand 1 and blackboard main body 8, the lower extreme fixed mounting of stand 1 has base 2, the lower extreme fixed mounting of base 2 has gyro wheel 3, equal fixedly connected with connecting axle 9 in the middle of blackboard main body 8's both sides, fixedly connected with dead lever 10 in the middle of blackboard main body 8's the lower extreme, the lower extreme fixedly connected with locating plate 11 of dead lever 10, constant head tank 12 has been seted up to locating plate 11's surface, the fixed position that the front end surface of stand 1 is located blackboard main body 8's below has layer board 13, the lower extreme outer surface fixed connection of layer board 13 has installation pole 14, the upper end rear fixed mounting of layer board 13 has locating lever 15, locating lever 15 comprises.

Wherein, the surface movable mounting of gyro wheel 3 has support 4, and adapter sleeve 5 has been cup jointed to the upper end of support 4, and adapter sleeve 5's upper end fixedly connected with installation screw rod 6, the position that is located adapter sleeve 5's inside between support 4 and the adapter sleeve 5 is filled with rubber pad 7, and gyro wheel 3 passes through installation screw rod 6 fixed mounting at the lower extreme of base 2.

The working principle is as follows: during the use, remove the blackboard to the use place through 2 lower extremes of base gyro wheel 3, rubber pad 7 is installed between the support 4 of gyro wheel 3 and the adapter sleeve 5, can make gyro wheel 3 have the buffering effect to more stable when making the blackboard remove, writing instrument or teaching aid are conveniently placed to the layer board 13 of 1 front end of stand, and when the blackboard used, can be according to light factor angle regulation, the adjusting method does: the push rod 17 on the positioning rod 15 is pressed downwards to enable the spring 20 to contract, the lower end of the push rod 17 contracts into the telescopic groove 18 of the supporting rod 16, then the blackboard main body 8 rotates through the connecting shaft 9 to adjust the angle, after the angle is adjusted, the push rod 17 is loosened, the push rod 17 is pushed upwards under the elastic action of the spring 20, then the upper end of the push rod 17 is inserted into the positioning groove 12 of the positioning plate 11, and therefore the blackboard main body 8 is fixed, and the angle adjusting work of the blackboard is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an angularly adjustable blackboard, includes stand (1) and blackboard main part (8), its characterized in that, the lower extreme fixed mounting of stand (1) has base (2), the lower extreme fixed mounting of base (2) has gyro wheel (3), equal fixedly connected with connecting axle (9) in the middle of the both sides of blackboard main part (8), fixedly connected with dead lever (10) in the middle of the lower extreme of blackboard main part (8), the lower extreme fixedly connected with locating plate (11) of dead lever (10), constant head tank (12) have been seted up to the surface of locating plate (11), the position fixed mounting that the front end surface of stand (1) is located the below of blackboard main part (8) has layer board (13), the lower extreme outer fixed surface of layer board (13) is connected with installation pole (14), the upper end rear fixed mounting of layer board (13) has locating lever (15), the positioning rod (15) is composed of a supporting rod (16) and a mandril (17).

2. The blackboard of claim 1, wherein the telescopic groove (18) is opened in the support rod (16), the position of the lower end of the ejector rod (17) in the telescopic groove (18) is fixed with a limiting plate (19), the position of the lower end of the limiting plate (19) in the telescopic groove (18) is fixed with a spring (20), the lower end of the spring (20) is fixedly connected with the inner wall of the telescopic groove (18), and the ejector rod (17) is movably connected with the support rod (16) through the spring (20).

3. The blackboard with the adjustable angle according to claim 1, characterized in that the positioning plate (11) is of an arc structure, the number of the positioning slots (12) is several groups, and the outer surfaces of the positioning slots (12) of the several groups are distributed at equal intervals at the lower end of the positioning plate (11).

4. The blackboard with the adjustable angle according to claim 1, characterized in that the connecting shaft (9) penetrates through the upright post (1) to be movably connected with the upright post (1), and the blackboard main body (8) is movably connected with the upright post (1) through the connecting shaft (9).

5. The blackboard with the adjustable angle according to claim 1, characterized in that the number of the mounting rods (14) is two, the lower ends of the mounting rods (14) are fixedly connected with the base (2), and the support plate (13) is fixedly mounted at the front end of the upright post (1) through the mounting rods (14).

6. The blackboard with the adjustable angle according to claim 1, wherein the outer surface of the roller (3) is movably provided with a support (4), the upper end of the support (4) is sleeved with a connecting sleeve (5), the upper end of the connecting sleeve (5) is fixedly connected with a mounting screw (6), a rubber pad (7) is filled between the support (4) and the connecting sleeve (5) at the position inside the connecting sleeve (5), and the roller (3) is fixedly arranged at the lower end of the base (2) through the mounting screw (6).