A training blackboard with dust removal mechanism
By designing the L-shaped base plate and telescopic rod mechanism on the training blackboard to achieve angle adjustment and adopting a dust removal mechanism with a combination of wet sponge rollers and pull blocks, the existing training blackboards in angle adjustment and chalk dust removal are solved, and the safety of use and operation is improved.
Patent Information
- Application Number
- CN202420993078.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing training blackboard has poor flexibility in angle adjustment and chalk dust removal and chalk gray lifting problems.
A training blackboard with dust removal mechanism was designed, using the L-shaped base plate and telescopic rod mechanism to achieve the angle adjustment of the blackboard body, and the combination of soaking sponge rollers and pulling blocks is used to absorb and wipe the chalk ash to prevent lifting.
It realizes flexible adjustment of the angle of the blackboard body and effective dust removal of chalk ash, improving the safety of use and convenience of operation.
Smart Images
Figure CN222698177U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of training blackboards, and in particular to a training blackboard with a dust removal mechanism. Background Art
[0002] The teaching blackboard for training is convenient for teaching and training demonstrations. The blackboard does not specifically refer to a black board. In the traditional sense, it is a flat surface that can be written on repeatedly with chalk. The board surface is hard and is mostly used for teaching. The blackboard is generally made of wood or frosted glass. You can write on it with chalk or other specific writing materials. They are mostly black, dark green, white or beige. The green board surface is dark green. Writing with chalk does not irritate the eyes and is beneficial to the protection of vision. The white board surface is white and is mostly written with various water-based colored pens.
[0003] However, the existing training blackboards have certain disadvantages, such as poor flexibility, it is troublesome to adjust the angle of the training blackboard, and after writing is completed, the blackboard is wiped with an ordinary blackboard eraser, which easily causes chalk dust to be raised and the trainees to inhale the chalk dust. Therefore, the technicians in this field provide a training blackboard with a dust removal mechanism to solve the problems raised in the above background technology. Utility Model Content
[0004] In order to solve the problems raised in the above background technology, the present application provides a training blackboard with a dust removal mechanism.
[0005] The training blackboard with dust removal mechanism provided in this application adopts the following technical solution:
[0006] A training blackboard with a dust removal mechanism comprises two fixed brackets, a blackboard body is movably installed between the two fixed brackets via a movable shaft, and is characterized in that: two reinforcing plates are fixedly installed at the rear end of the blackboard body, and a cylinder is fixedly installed on one side of the reinforcing plate near the lower end, a sleeve is sleeved on the outside of the cylinder, a telescopic rod is fixedly installed at the lower end of the sleeve, and a ring is fixedly installed at the bottom end of the telescopic rod, an L-shaped bottom plate is fixedly installed between the two fixed brackets, and two limit plates are fixedly installed on one side of the L-shaped bottom plate, and a plurality of threaded holes are horizontally opened on one side of the limit plate.
[0007] Preferably, the internal thread of one of the threaded holes is connected to a limiting bolt, and the limiting bolt passes through the interior of the circular ring.
[0008] Preferably, a receiving plate is fixedly mounted on the lower end of the blackboard body, and T-shaped grooves are provided at the front end of the blackboard body near both sides.
[0009] Preferably, a ash receiving groove is provided at the upper end of the receiving plate, and two connecting columns are provided inside the ash receiving groove.
[0010] Preferably, a soaked sponge roller is fixedly installed between the two connecting columns, a pull block is fixedly installed on the outside of the soaked sponge roller near the middle position, and the outside of the soaked sponge roller is in contact with the outer side of the blackboard body.
[0011] Preferably, T-shaped blocks are fixedly installed on the outside of the cylinder near both ends, and the T-shaped blocks are movably engaged with the T-shaped grooves.
[0012] In summary, the present application includes the following beneficial technical effects: by setting the L-shaped bottom plate, when adjusting the writing angle of the blackboard body, after a limiting bolt is disengaged from the threaded hole, the blackboard body is tilted, the ring at the lower end of the telescopic rod is located outside a suitable threaded hole, and the limiting bolt is passed through the ring and the threaded hole to limit and fix the position of the blackboard body after tilting, and the assembly is convenient for adjusting the angle of the blackboard body;
[0013] When the blackboard needs to be wiped, the pull block is lifted up to make the wet sponge roller wipe the blackboard, and when writing, part of the chalk dust falls on the wet sponge roller for adsorption, so as to prevent the chalk dust from flying. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of a training blackboard with a dust removal mechanism in an embodiment of the present application;
[0015] Figure 2 It is a side structural schematic diagram of a training blackboard with a dust removal mechanism in an embodiment of the present application;
[0016] Figure 3 It is a schematic diagram of the receiving plate structure of a training blackboard with a dust removal mechanism in an embodiment of the present application.
[0017] Explanation of the reference numerals in the accompanying drawings: 1. Fixed bracket; 2. L-shaped bottom plate; 3. Blackboard body; 4. Movable shaft; 5. T-shaped groove; 6. Adapter plate; 7. Reinforcement plate; 8. Cylinder; 9. Sleeve; 10. Telescopic rod; 11. Ring; 12. Limit plate; 13. Threaded hole; 14. Limit bolt; 15. Ash receiving groove; 16. Connecting column; 17. Soaked sponge roller; 18. Pull block; 19. T-block. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0019] like Figure 1-Figure 3As shown, a training blackboard with a dust removal mechanism comprises two fixed brackets 1, a blackboard body 3 is movably mounted between the two fixed brackets 1 through a movable shaft 4, and the characteristics are as follows: two reinforcing plates 7 are fixedly mounted at the rear end of the blackboard body 3, and a cylinder 8 is fixedly mounted on one side of the reinforcing plate 7 near the lower end, a sleeve 9 is sleeved on the outer side of the cylinder 8, a telescopic rod 10 is fixedly mounted at the lower end of the sleeve 9, and a ring 11 is fixedly mounted at the bottom end of the telescopic rod 10, an L-shaped bottom plate 2 is fixedly mounted between the two fixed brackets 1, and the L Two limit plates 12 are fixedly installed on one side of the L-shaped base plate 2, and a plurality of threaded holes 13 are horizontally opened on one side of the limit plate 12. First, through the set L-shaped base plate 2, when the writing angle of the blackboard body 3 is adjusted, a limit bolt 14 is disengaged from the threaded hole 13, and then the blackboard body 3 is tilted. After the circular ring 11 at the lower end of the telescopic rod 10 is located outside the appropriate threaded hole 13, the limit bolt 14 is passed through the circular ring 11 and the threaded hole 13 to limit and fix the tilted position of the blackboard body 3.
[0020] In this embodiment, a limiting bolt 14 is threadedly connected to the interior of one of the threaded holes 13 , and the limiting bolt 14 passes through the interior of the circular ring 11 .
[0021] In this embodiment, a receiving plate 6 is fixedly mounted on the lower end of the blackboard body 3 , and T-shaped grooves 5 are provided at the front end of the blackboard body 3 near both sides.
[0022] In this embodiment, a ash receiving groove 15 is formed at the upper end of the receiving plate 6 , and two connecting columns 16 are disposed inside the ash receiving groove 15 .
[0023] In this embodiment, a soaked sponge roller 17 is fixedly installed between the two connecting columns 16, and a pull block 18 is fixedly installed on the outside of the soaked sponge roller 17 near the middle position, and the outside of the soaked sponge roller 17 is in contact with the outer side of the blackboard body 3. When the blackboard needs to be wiped, the pull block 18 is lifted up to make the soaked sponge roller 17 wipe the blackboard, and when writing, part of the chalk dust falls on the soaked sponge roller 17 and is adsorbed to prevent the chalk dust from being lifted up.
[0024] In this embodiment, T-blocks 19 are fixedly installed on the outside of the connecting column 16 near both ends. The T-blocks 19 are movably engaged with the T-grooves 5 to facilitate the limited movement of the soaked sponge roller 17.
[0025] The implementation principle of a training blackboard with a dust removal mechanism in an embodiment of the present application is as follows: first, through the set L-shaped bottom plate 2, when the writing angle of the blackboard body 3 is adjusted, a limit bolt 14 is disengaged from the threaded hole 13, and after the blackboard body 3 is tilted, the ring 11 at the lower end of the telescopic rod 10 is located outside the appropriate threaded hole 13, and after the limit bolt 14 is passed through the ring 11 and the threaded hole 13, the position of the blackboard body 3 after tilting is limited and fixed. When it is necessary to wipe the blackboard, the lifting block 18 is raised at this time, so that the soaked sponge roller 17 wipes the blackboard, and when writing, part of the chalk dust falls on the soaked sponge roller 17 and is adsorbed to prevent the chalk dust from being raised.
[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A training blackboard with a dust removal mechanism, comprising two fixed brackets (1), a blackboard body (3) being movably mounted between the two fixed brackets (1) via a movable shaft (4), characterized in that: Two reinforcing plates (7) are fixedly installed at the rear end of the blackboard body (3), and a cylinder (8) is fixedly installed on one side of the reinforcing plate (7) near the lower end, a sleeve (9) is sleeved on the outside of the cylinder (8), a telescopic rod (10) is fixedly installed at the lower end of the sleeve (9), and a ring (11) is fixedly installed at the bottom end of the telescopic rod (10), an L-shaped bottom plate (2) is fixedly installed between the two fixed brackets (1), and two limit plates (12) are fixedly installed on one side of the L-shaped bottom plate (2), and a plurality of threaded holes (13) are horizontally opened on one side of the limit plate (12).
2. A training blackboard with a dust removal mechanism according to claim 1, characterized in that: A limiting bolt (14) is connected to the inner thread of one of the threaded holes (13), and the limiting bolt (14) passes through the inside of the circular ring (11).
3. A training blackboard with a dust removal mechanism according to claim 1, characterized in that: A receiving plate (6) is fixedly mounted on the lower end of the blackboard body (3), and T-shaped grooves (5) are provided at the front end of the blackboard body (3) near both sides.
4. A training blackboard with a dust removal mechanism according to claim 3, characterized in that: An ash receiving groove (15) is provided at the upper end of the receiving plate (6), and two connecting columns (16) are arranged inside the ash receiving groove (15).
5. A training blackboard with a dust removal mechanism according to claim 4, characterized in that: A soaked sponge roller (17) is fixedly installed between the two connecting columns (16), a pull block (18) is fixedly installed near the middle position of the outside of the soaked sponge roller (17), and the outside of the soaked sponge roller (17) is in contact with the outside of the blackboard body (3).
6. A training blackboard with a dust removal mechanism according to claim 5, characterized in that: T-shaped blocks (19) are fixedly mounted on the outside of the connecting column (16) near both ends, and the T-shaped blocks (19) are movably engaged with the T-shaped grooves (5).