Movable mathematics teaching board

Abstract

The utility model belongs to the technical field of mathematics teaching boards, and discloses a movable mathematics teaching board which comprises a fixing frame, a teaching blackboard is rotatably arranged in the top end of the fixing frame, a positioning plate is attached to the outer side of the teaching blackboard, a rotating shaft is rotatably arranged on the outer side of the positioning plate, and a sliding block is fixedly arranged on the outer side of the rotating shaft. A threaded shaft penetrates through the interior of the sliding block, the sliding block and the threaded shaft are spirally arranged, the threaded shaft and the guide rail are rotationally arranged, a positioning plate structure is additionally arranged, the deflected teaching blackboard is magnetically attracted and positioned, so that the deflected position of the teaching blackboard is kept, teaching personnel can conveniently write on the deflected teaching blackboard, the writing angle is more comfortable, and the teaching efficiency is improved. A threaded shaft can be rotated to control a sliding block on the outer side to drive a positioning plate to move front and back, the positioning position of the positioning plate on the teaching blackboard is changed, after the teaching blackboard is deflected to the position flush with the foot stool, a handle is pulled, the foot stool and the teaching blackboard are rapidly transported, and use is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of mathematics teaching boards, in particular to a mobile mathematics teaching board. Background Art

[0002] The mobile teaching board is mobile with a frame. The whiteboard is usually used in conference rooms and multimedia teaching rooms. It is a business-style teaching board composed of two separate board surfaces. The upper and lower positions of the board are equipped with slide rails to move the screen. The movable teaching green board is the new darling of the multimedia teaching era. It is very suitable for domestic teaching methods and retains some teaching content.

[0003] In a mobile mathematics teaching board with announcement number CN 216231356 U, two support rods are installed at the bottom of the outer frame, a bottom support plate is installed at the bottom of the two support rods, walking wheels are installed on the front and rear sides of the bottom of the bottom support plate, a cross bar is installed on the lower side between the two support rods, a hanging rod is installed on the upper side between the two support rods, a large writing board is installed in the outer frame, and slide rail bodies are installed at the upper and lower ends of the large writing board, the top of the upper slide rail body and the bottom of the lower slide rail body are both provided with concave slide grooves, a sliding body is installed on the back of the mobile writing board, the sliding body is arranged in the slide groove, and a handle is installed on the outer surface of the mobile writing board.

[0004] The mobile mathematics teaching board structure of the above structure can only be displayed in a plane, while most of the existing teaching blackboards are designed with a rotatable structure to improve the practicality of the teaching blackboard. Especially in the process of mathematics teaching, teaching staff are required to write numbers for a long time. However, after the teaching blackboard is rotated, there is no positioning structure, so the teaching blackboard will deflect during the writing process, and the writing is not smooth. Therefore, a mobile mathematics teaching board is proposed to address the above problem. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a mobile mathematics teaching board, which has the advantage that the mobile mathematics teaching board can locate the position after deflection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mobile mathematics teaching board, comprising a fixed frame, a teaching blackboard is rotatably arranged inside the top of the fixed frame, a positioning plate is attached to the outside of the teaching blackboard, a rotating shaft is rotatably arranged on the outside of the positioning plate, a slider is fixedly arranged on the outside of the rotating shaft, a threaded shaft passes through the inside of the slider, and the slider and the threaded shaft are spirally arranged, and the threaded shaft is rotatably arranged with a guide rail.

[0007] Preferably, a guide groove is provided inside the guide rail, and the slider and the threaded shaft are both arranged inside the guide rail.

[0008] Preferably, the positioning plate is configured to be L-shaped, and a magnetic attraction plate is fixedly disposed inside the L-shape of the positioning plate.

[0009] Preferably, magnetic blocks are fixedly arranged above the front end of the teaching blackboard and below the rear end of the teaching blackboard, and the magnetic block located below the rear end of the teaching blackboard is magnetically connected to the magnetic suction plate.

[0010] Preferably, a vertical rod is fixedly provided at the bottom end of the fixing frame, a tripod is rotatably provided on the outer side of the vertical rod, a supporting arm is fixedly provided at the bottom end of the tripod, and a universal wheel is rotatably provided at the bottom end of the supporting arm.

[0011] Preferably, a handle is fixedly provided at the front end of the vertical rod, an insertion rod penetrates the interior of the vertical rod, the insertion rod is slidably arranged with the vertical rod, and the insertion rod is plugged into the tripod, and a lifting rod is fixedly provided at the front end of the insertion rod.

[0012] Preferably, a connecting rod passes through the interior of the insertion rod, the other end of the connecting rod of the insertion rod is fixed to the vertical rod, a spring is sleeved on the outer side of the connecting rod of the insertion rod, and the spring is located between the vertical rod and the insertion rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model magnetically positions the deflected teaching blackboard by adding a positioning plate structure to maintain the position of the teaching blackboard after deflection, making it convenient for teaching staff to write on the deflected teaching blackboard, with a more comfortable writing angle. The threaded shaft can be rotated to control the outer slider to drive the positioning plate to move back and forth, thereby changing the positioning position of the positioning plate on the teaching blackboard.

[0015] 2. The utility model rotates the vertical rod in cooperation with the insertion rod inside the tripod. After the teaching blackboard is deflected to a position flush with the tripod, the handle is pulled to quickly transport the tripod and the teaching blackboard, which is more convenient to use. At the same time, after the vertical rod is rotated into the tripod, the insertion rod is inserted into the inside of the tripod to position the vertical rod and the teaching blackboard above, and keep them in an unfolded state for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an enlarged structural schematic diagram of the guide rail of the utility model;

[0018] Figure 3 It is an enlarged structural schematic diagram of the slider of the utility model;

[0019] Figure 4 It is an enlarged structural schematic diagram of the plug rod of the utility model.

[0020] In the figure: 1. fixed frame; 2. teaching blackboard; 3. guide rail; 4. threaded shaft; 5. slider; 6. rotating shaft; 7. positioning plate; 8. magnetic plate; 9. magnetic block; 10. vertical rod; 11. tripod; 12. support arm; 13. universal wheel; 14. handle; 15. insertion rod; 16. lifting rod; 17. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 4 As shown, the utility model provides a mobile mathematics teaching board, including a fixed frame 1, a teaching blackboard 2 is rotatably arranged inside the top of the fixed frame 1, and both sides of the teaching blackboard 2 are provided with concave surfaces to facilitate the teaching and writing operations of the teaching staff, and a positioning plate 7 is attached to the outer side of the teaching blackboard 2, and the positioning plate 7 blocks and positions the teaching blackboard 2 to keep it stable, and a rotating shaft 6 is rotatably arranged on the outer side of the positioning plate 7, and a slider 5 is fixedly arranged on the outer side of the rotating shaft 6, a threaded shaft 4 passes through the interior of the slider 5, and the slider 5 and the threaded shaft 4 are spirally arranged, and the threaded shaft 4 is rotatably arranged with the guide rail 3, and the threaded shaft 4 rotates inside the guide rail 3, and the outer slider 5 can be controlled to move back and forth inside the guide rail 3 to change the position of the slider 5 and the outer positioning plate 7.

[0023] Specifically, a guide groove is provided inside the guide rail 3 , and the slider 5 and the threaded shaft 4 are both arranged inside the guide rail 3 . The slider 5 and the threaded shaft 4 are manipulated inside the guide groove of the guide rail 3 , and the threaded shaft 4 is rotated to control the movement stability of the slider 5 .

[0024] Furthermore, the positioning plate 7 is set to be L-shaped, and a magnetic plate 8 is fixedly set inside the L-shape of the positioning plate 7. Magnetic blocks 9 are fixedly set above the front end of the teaching blackboard 2 and below the rear end of the teaching blackboard 2, and the magnetic block 9 located below the rear end of the teaching blackboard 2 is magnetically connected to the magnetic plate 8. The magnetic block 9 of the teaching blackboard 2 is designed to be able to magnetically attract the magnetic plate 8 on the surface of the positioning plate 7, thereby enhancing the connection stability between the positioning plate 7 and the teaching blackboard 2.

[0025] Furthermore, a vertical rod 10 is fixedly provided at the bottom end of the fixed frame 1, and a tripod 11 is rotatably provided on the outer side of the vertical rod 10. The vertical rod 10 is connected to the fixed frame 1 and can be rotated inside the tripod 11 to control the storage of the teaching blackboard 2. A support arm 12 is fixedly provided at the bottom end of the tripod 11, and a universal wheel 13 is rotatably provided at the bottom end of the support arm 12. The structural design of the universal wheel 13 and the support arm 12 can make it more convenient for teaching staff to move the teaching blackboard 2.

[0026] It is worth mentioning that a handle 14 is fixedly provided at the front end of the vertical rod 10, and an insertion rod 15 passes through the inside of the vertical rod 10. The insertion rod 15 is slidably arranged with the vertical rod 10, and the insertion rod 15 is plugged into the tripod 11. The insertion rod 15 moves up and down inside the vertical rod 10 by pulling the lifting rod 16, and the insertion rod 15 is controlled to be inserted into the inside of the tripod 11 to complete the rapid positioning. The front end of the insertion rod 15 is fixedly provided with a lifting rod 16.

[0027] It is worth noting that a connecting rod passes through the inside of the insertion rod 15, and the connecting rod is slidably connected to the insertion rod 15. The other end of the connecting rod of the insertion rod 15 is fixed to the vertical rod 10. A spring 17 is sleeved on the outside of the connecting rod of the insertion rod 15, and the spring 17 is located between the vertical rod 10 and the insertion rod 15. The insertion rod 15 is connected to the vertical rod 10 through the connecting rod at the top, and cooperates with the spring 17 on the outside to push the insertion rod 15 to maintain the position inserted into the inside of the tripod 11.

[0028] Among them, the teaching blackboard 2 is the existing technology and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0029] Workflow and principle:

[0030] When teaching mathematics, the teaching staff can move the fixed frame 1 to the inside of the classroom through the handle 14. The support arm 12 cooperates with the universal wheel 13 to improve the convenience of moving the teaching blackboard 2. After moving to the classroom, the teaching blackboard 2 is flipped over to the top of the tripod 11, and the lifting rod 16 is lifted. At the same time, the insertion rod 15 is controlled to move on the outside of the connecting rod, and the spring 17 on the outside of the connecting rod is squeezed and deformed. The insertion rod 15 is retracted from the outside of the vertical rod 10 to the inside, and the vertical rod 10 can be rotated into the vertical slot of the tripod 11. The lifting rod 16 is released, and the spring 17 pushes the insertion rod 15 to be inserted into the socket of the tripod 11 to complete the positioning. , position the fixed frame 1 above the tripod 11 to form a positioning, deflect the teaching blackboard 2, deflect the teaching blackboard 2 inside the fixed frame 1 onto the positioning plate 7, cooperate with the magnetic plate 8 on the positioning plate 7 to magnetically position the magnetic block 9 on the outside of the teaching blackboard 2, and maintain the state of the teaching blackboard 2 after deflection, so that the teaching staff can better perform writing operations when conducting long-term mathematics teaching. At the same time, when the writing angle of the teaching blackboard 2 needs to be adjusted, the threaded shaft 4 can be rotated to control the movement of the slider 5 inside the guide rail 3 to adjust the position of the positioning plate 7 and flexibly position the positioning angle of the teaching blackboard 2.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile mathematics teaching board, comprising a fixed frame (1), characterized in that: A teaching blackboard (2) is rotatably arranged inside the top of the fixing frame (1), a positioning plate (7) is attached to the outer side of the teaching blackboard (2), a rotating shaft (6) is rotatably arranged on the outer side of the positioning plate (7), a slider (5) is fixedly arranged on the outer side of the rotating shaft (6), a threaded shaft (4) passes through the interior of the slider (5), the slider (5) and the threaded shaft (4) are spirally arranged, and the threaded shaft (4) and the guide rail (3) are rotatably arranged.

2. A mobile mathematics teaching board according to claim 1, characterized in that: A guide groove is provided inside the guide rail (3), and the sliding block (5) and the threaded shaft (4) are both arranged inside the guide rail (3).

3. A mobile mathematics teaching board according to claim 1, characterized in that: The positioning plate (7) is arranged in an L-shape, and a magnetic attraction plate (8) is fixedly arranged inside the L-shape of the positioning plate (7).

4. A mobile mathematics teaching board according to claim 1, characterized in that: Magnetic blocks (9) are fixedly arranged above the front end of the teaching blackboard (2) and below the rear end of the teaching blackboard (2), and the magnetic block (9) located below the rear end of the teaching blackboard (2) is magnetically connected to the magnetic attraction plate (8).

5. A mobile mathematics teaching board according to claim 1, characterized in that: A vertical rod (10) is fixedly provided at the bottom end of the fixed frame (1), a tripod (11) is rotatably provided on the outer side of the vertical rod (10), a support arm (12) is fixedly provided at the bottom end of the tripod (11), and a universal wheel (13) is rotatably provided at the bottom end of the support arm (12).

6. A mobile mathematics teaching board according to claim 5, characterized in that: A handle (14) is fixedly provided at the front end of the vertical rod (10), an insertion rod (15) penetrates the interior of the vertical rod (10), the insertion rod (15) is slidably arranged with the vertical rod (10), and the insertion rod (15) is plugged into the tripod (11), and a lifting rod (16) is fixedly provided at the front end of the insertion rod (15).

7. A mobile mathematics teaching board according to claim 6, characterized in that: A connecting rod is inserted into the insertion rod (15), the other end of the connecting rod of the insertion rod (15) is fixed to the vertical rod (10), a spring (17) is sleeved on the outer side of the connecting rod of the insertion rod (15), and the spring (17) is located between the vertical rod (10) and the insertion rod (15).

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