CN219634868U

CN219634868U - Multifunctional blackboard

Info

Publication number: CN219634868U
Application number: CN202320085865.7U
Authority: CN
Inventors: 朱长新
Original assignee: Guangzhou University of Science and Technology
Current assignee: Guangzhou University of Science and Technology
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-09-05
Anticipated expiration: 2033-01-30

Abstract

The utility model discloses a multifunctional blackboard which comprises a bottom frame, wherein the top of the bottom frame is fixedly connected with a fixing frame, a groove is formed in the fixing frame, a screw rod is rotationally connected to the groove, a screw block is sleeved on the screw rod in a threaded mode, a blackboard frame is arranged on the outer side of the fixing frame, the screw block is fixedly connected with the blackboard frame, a motor is arranged in the bottom frame, the output end of the motor is fixedly connected with the bottom end of the screw rod, a fixing block is fixedly connected with the bottom end of the blackboard frame, a collecting frame is arranged on the outer side of the fixing block, a collecting groove is formed in the top of the collecting frame, a notch is formed in the bottom of the bottom frame, and an adjusting frame is arranged in the notch. According to the utility model, through the structure cooperation arrangement of the motor, the screw rod, the screw block, the blackboard frame and the like, the position height of the blackboard frame can be conveniently and rapidly adjusted, so that the writing requirements and the display requirements of different height positions can be met, the structure operation is stable, and the use is convenient and simple.

Description

Multifunctional blackboard

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a multifunctional blackboard.

Background

The blackboard is popular, namely a plane which can be repeatedly written by chalk, the blackboard is mainly used for teaching, the operation mode is that the chalk is used for writing on the surface of the blackboard directly, the blackboard is displayed by writing content, and the teaching effect is realized, so that the blackboard is widely used in the teaching industry, the requirements for the blackboard are changed along with different teaching environments, the blackboard structure which is conventionally and fixedly arranged on a wall body is changed, and the conventional flexible teaching requirements cannot be met slowly, so that the blackboard has certain requirements for a plurality of multifunctional blackboards, such as convenient movement, height adjustment and other functions;

some conventional blackboards are mostly fixedly arranged on a wall body, and the arrangement mode can be used for conveniently writing and displaying, but due to the fixed structure, certain inconvenience exists when teachers with different heights write, convenience is also sometimes provided for students to conveniently check, and certain limitation exists in use.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a multifunctional blackboard.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multifunctional blackboard, includes the chassis, the top fixedly connected with mount of chassis, be provided with the recess on the mount, the recess internal rotation is connected with the screw rod, the screw rod is gone up the screw thread and is cup jointed the screw block, the outside of mount is provided with the blackboard frame, screw block and blackboard frame fixed connection, be provided with the motor in the chassis, the output and the screw rod bottom fixed connection of motor, the bottom fixedly connected with fixed block of blackboard frame, the outside of fixed block is provided with the collection frame, the top of collection frame is provided with the collecting vat, the bottom of chassis is provided with the notch, be provided with the alignment jig in the notch, be provided with the screw groove in the notch, screw thread in-connection has adjusting bolt, adjusting bolt's bottom and alignment jig top rotate to be connected with, and adjusting bolt's top fixedly connected with operation piece, the top fixedly connected with handle of operation piece, the bottom of alignment jig rotates and is connected with the universal wheel.

As a further description of the above technical solution:

the fixing frame is two in total and symmetrically arranged at two sides of the top of the underframe, the screw structure is also provided with two groups, an inner groove is arranged in the underframe, the outer surfaces of the screws are positioned on the inner groove, belt wheels are fixedly connected with the inner groove in a nested mode, the belt wheels are connected through belt transmission, and the output end of the motor is fixedly connected with the bottom end of one screw.

As a further description of the above technical solution:

the collecting frame is fixedly connected with a clamping block, and the fixing block is provided with a clamping groove which is nested and matched with the clamping block.

As a further description of the above technical solution:

the chassis is internally provided with a storage battery, and the motor is electrically connected with the storage battery.

As a further description of the above technical solution:

the top fixedly connected with guide bar of alignment jig, be provided with on the chassis with guide bar nested sliding fit's guide way.

As a further description of the above technical solution:

the adjusting frame structure is two groups in total and is located at two side positions of the underframe, and universal wheels at the bottom ends of the adjusting frames are two.

As a further description of the above technical solution:

the bottom of the underframe is provided with an anti-slip pad.

The utility model has the following beneficial effects:

the multifunctional blackboard comprises:

1. the position height of the blackboard frame can be conveniently adjusted through the structure cooperation arrangement of the motor, the screw rod, the screw block, the blackboard frame and the like, so that the writing requirements and the display requirements of different height positions can be met, the structure operation is stable, and the use is convenient and simple;

2. through the cooperation of structures such as the adjusting frame, the universal wheels, the adjusting bolts, the thread grooves and the like, the adjusting frame can drive the universal wheels to descend to contact with the ground and support the whole structure through structural adjustment, the movement of the whole blackboard frame is convenient, and meanwhile, the universal wheels can be conveniently stored, so that the whole underframe can be firmly positioned, and therefore, stable positioning teaching demonstration is carried out;

3. through the cooperation of collecting frame, fixture block, draw-in groove isotructure, can conveniently collect the chalk dust that wipes off, conveniently concentrate the clearance, reduce the influence to teaching regional environment.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a multifunctional blackboard according to the present utility model;

FIG. 2 is a front view of a multi-functional blackboard according to the present utility model;

fig. 3 is a block structure diagram of a multifunctional blackboard according to the present utility model.

Legend description:

1. a chassis; 2. a fixing frame; 3. a groove; 4. a screw; 5. a screw block; 6. a blackboard frame; 7. a motor; 8. an inner tank; 9. a belt wheel; 10. a belt; 11. a fixed block; 12. a collection rack; 13. a clamping block; 14. a clamping groove; 15. a collection tank; 16. a storage battery; 17. a notch; 18. an adjusting frame; 19. a thread groove; 20. an adjusting bolt; 21. an operation block; 22. a handle; 23. a guide rod; 24. a guide groove; 25. a universal wheel; 26. an anti-slip mat.

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; 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, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a multifunctional blackboard, including chassis 1, the top fixedly connected with mount 2 of chassis 1, be provided with recess 3 on the mount 2, the internal rotation of recess 3 is connected with screw rod 4, screw rod 4 has cup jointed screw block 5 on the screw rod 4, the screw rod 4 meets the position with recess 3 and carries out the location installation through the bearing, be nested sliding connection between screw block 5 and the recess 3, the outside of mount 2 is provided with the blackboard frame 6, screw block 5 and blackboard frame 6 fixed connection, be provided with motor 7 in chassis 1, the output of motor 7 and screw rod 4 bottom fixed connection, motor 7 drive screw rod 4 rotates, screw rod 4 drives screw block 5 and goes up and down, screw block 5 then drives blackboard frame 6 and goes up and down, thereby realize the adjustment operation of blackboard height position, can satisfy the show demand of different height, the bottom fixedly connected with fixed block 11 of blackboard frame 6, the outside of fixed block 11 is provided with collecting rack 12, the top of collecting rack 12 is provided with collecting groove 15, collecting rack 12 is located the below of blackboard frame 6, collecting groove 15 is corresponding position with the surface one side bottom of blackboard frame 6, can more receiving in this way drop after the dust of wiping, the dust collection 1 is provided with the recess 21 in the recess of adjusting wheel 21 is provided with in the recess 21, the bottom 20 is connected with the universal wheel of adjusting groove 20 in the convenient and fast and convenient, the bottom of adjusting connection is provided with the recess 20, the bottom of adjusting screw rod 20 is connected with the adjusting screw rod 20, the screw rod 20 is connected with the screw rod 20, the bottom of the adjusting screw rod is convenient and has, the adjusting screw rod 20 is connected with the adjusting screw rod 20, the bottom 21 is convenient and has, can meet the requirements of the height, the bottom of adjusting screw rod is 21, can be high, and can be high, and can be convenient, and can be just by the height, and can be just. Simultaneously, the universal wheel 25 structure can be conveniently used or the universal wheel 25 structure can be folded by matching with the adjusting bolt 20 structure, so that convenient movement and stable positioning of the whole structure are realized.

The mount 2 is total two and symmetry sets up in the top both sides position of chassis 1, and screw rod 4 structure is provided with two sets of equally, is provided with inside groove 8 in the chassis 1, and the surface of two screw rods 4 is located inside groove 8 nested fixedly connected with band pulley 9, and two band pulleys 9 pass through belt 10 transmission and connect, and motor 7 output and one of them screw rod 4 bottom fixed connection, the setting of two sets of screw rod 4 structure can guarantee the stability of blackboard frame 6 lifting adjustment operation, guarantees the stability of atress when the structure operates.

The collection frame 12 is fixedly connected with a clamping block 13, the fixing block 11 is provided with a clamping groove 14 which is nested and matched with the clamping block 13, and the arrangement of the structure can ensure that the collection frame 12 can be stably positioned and installed, so that the convenient positioning and collection work of chalk dust is realized.

The storage battery 16 is arranged in the underframe 1, the motor 7 is electrically connected with the storage battery 16, and the storage battery 16 can ensure that the structure can stably run.

The top fixedly connected with guide bar 23 of alignment jig 18 is provided with on the chassis 1 with guide bar 23 nested sliding fit's guide way 24, and guide structure's setting can guarantee that alignment jig 18 can stably adjust the operation, guarantees its operational stationarity, also can make the homogeneity of both sides universal wheel 25 structure atress simultaneously.

The two groups of the adjusting frames 18 are arranged on two sides of the underframe 1, two universal wheels 25 at the bottom ends of the two adjusting frames 18 are arranged, and the four groups of universal wheels 25 can guarantee that the whole structure can stably move.

The bottom of chassis 1 is provided with slipmat 26, and slipmat 26 is the rubber material, can possess good antiskid effect when chassis 1 location is placed, and the slipmat 26 of rubber material is wear-resisting durable simultaneously, can play a protective effect to the bottom of chassis 1.

Working principle: when the multifunctional blackboard is used, the whole blackboard frame 6 is driven to move to a corresponding teaching display position through the universal wheel 25, the handle 22 is rotated, the handle 22 drives the adjusting bolt 20 to rotate through the operation block 21, the adjusting bolt 20 drives the adjusting frame 18 to ascend through the matching with the thread groove 19, the adjusting frame 18 drives the universal wheel 25 to be folded, the anti-slip pad 26 is in contact with the ground at the moment, firm positioning and fixing work on the whole underframe 1 is achieved, the motor 7 is started, the motor 7 drives one screw rod 4 to rotate, the screw rod 4 can drive the other screw rod 4 to rotate simultaneously through the transmission matching of the belt wheel 9 and the belt 10, the two screw rods 4 then drive the two screw blocks 5 to move simultaneously, the two screw blocks 5 simultaneously drive the blackboard frame 6 to be adjusted in a lifting mode, chalk dust on the blackboard can automatically fall into the collecting groove 15 after being wiped, the collecting frame 12 is pulled out after the collecting is completed, the clamping block 13 is enabled to leave the clamping groove 14, and chalk dust can be removed in a concentrated mode.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a multifunctional blackboard, includes chassis (1), its characterized in that: the utility model discloses a screw bolt adjusting device, including chassis (1), fixed frame (2) is fixedly connected with at the top of chassis (1), be provided with recess (3) on fixed frame (2), the internal rotation of recess (3) is connected with screw rod (4), screw rod (4) go up the screw sleeve joint has screw block (5), the outside of fixed frame (2) is provided with blackboard frame (6), screw block (5) and blackboard frame (6) fixed connection, be provided with motor (7) in chassis (1), the output of motor (7) and screw rod (4) bottom fixed connection, the bottom fixed connection of blackboard frame (6) is connected with fixed block (11), the outside of fixed block (11) is provided with collection frame (12), the top of collection frame (12) is provided with collecting groove (15), the bottom of chassis (1) is provided with notch (17), be provided with regulating frame (18) in the notch (17), be provided with screw groove (19) in intercommunication to notch (17) on chassis (1), screw groove (19) female connection has regulating bolt (20), regulating bolt (20) are connected with regulating bolt (20) top (20), the top of the operation block (21) is fixedly connected with a handle (22), and the bottom of the adjusting frame (18) is rotatably connected with a universal wheel (25).

2. A multi-purpose blackboard according to claim 1, wherein: the utility model discloses a motor, including chassis (1), screw rod (4) structure, mount (2) total two and symmetry set up in the top both sides position of chassis (1), screw rod (4) structure is provided with two sets of equally, be provided with inside groove (8) in chassis (1), two the surface of screw rod (4) is located inside groove (8) nested fixedly connected with band pulley (9), two band pulley (9) are connected through belt (10) transmission, motor (7) output and one of them screw rod (4) bottom fixed connection.

3. A multi-purpose blackboard according to claim 1, wherein: the collecting frame (12) is fixedly connected with a clamping block (13), and the fixing block (11) is provided with a clamping groove (14) which is nested and matched with the clamping block (13).

4. A multi-purpose blackboard according to claim 1, wherein: the electric power transmission device is characterized in that a storage battery (16) is arranged in the underframe (1), and the motor (7) is electrically connected with the storage battery (16).

5. A multi-purpose blackboard according to claim 1, wherein: the top of the adjusting frame (18) is fixedly connected with a guide rod (23), and the underframe (1) is provided with a guide groove (24) which is in nested sliding fit with the guide rod (23).

6. A multi-purpose blackboard according to claim 1, wherein: the structure of the adjusting frame (18) is divided into two groups and is positioned at two sides of the underframe (1), and universal wheels (25) at the bottom ends of the two adjusting frames (18) are respectively provided with two.

7. A multi-purpose blackboard according to claim 1, wherein: the bottom of the underframe (1) is provided with an anti-slip pad (26).