Novel combined teaching aid

Abstract

The utility model relates to the technical field of teaching aid design, and discloses a novel combined teaching aid which comprises a frame structure, a cleaning structure is arranged at the upper end of the frame structure, a fixing plate is arranged at the joint of the frame structure and the cleaning structure, and a fixing structure is arranged at the front end of the frame structure. A connecting frame is arranged at the connecting position of the frame structure and the fixing structure, a spring pushes an erasing plate to conduct friction cleaning on the outer side of the teaching aid, chalk dust on the outer side of the teaching aid can be cleaned, and the possibility that reading covers and falls on the face of a user is reduced. The rolling shafts and the fixing rods conduct auxiliary limiting on falling of the teaching aids, the buckling plates, the curved-surface hook plates and the hooks are buckled to the edge of a platform, so that the occupied area is reduced, the teaching aids are stored in the storage frame to be sorted and stored, and the integrity of the teaching aids is effectively stored and kept.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching aid design, and more specifically to a novel combined teaching aid. Background Art

[0002] A combined teaching aid is a flexible and variable educational tool designed to achieve different teaching objectives and learning activities through the combination of multiple components or modules. The design concept of such teaching aids is to enable teachers and students to freely assemble and disassemble according to specific teaching needs and learning topics, thereby supporting different learning methods and personalized learning experiences.

[0003] Chinese Patent Publication No. CN207359936U discloses a novel combined mathematics teaching aid, belonging to the technical field of teaching utensils, including a protractor, a triangular ruler and an external ruler, and also including a pointer, a slideway, a slider one, an internal ruler, a slider two, a hinge and a suction cup. The hypotenuse of the triangular ruler is connected to the protractor through a hinge. A slideway is arranged on one straight side of the triangular ruler. One end of the external ruler is connected to the slideway through a slider two. The inside of the external ruler is a hollow structure and is provided with an internal ruler. Suction cups are respectively arranged at the three corners of the triangular ruler. A semi-circular hollow structure is arranged at the center position of the protractor, and a pointer is arranged at the center point through a rotating shaft. The beneficial effects of the utility model are as follows: By adopting a folding and combining method such as a hinge, teaching aids such as a protractor, a triangular ruler and a ruler are integrated into one, which is convenient to use, carry and operate. At the same time, by adopting a sliding connection method, the ruler can be vertically moved, which is more convenient for drawing specific figures.

[0004] However, when this utility model is actually used, the following problems exist:

[0005] 1. Most of the existing teaching equipment, such as protractors, triangular rulers and external rulers, is relatively common. However, during use, it is usually contaminated with some chalk dust, which obscures the readings on the upper end of the teaching equipment, making it inconvenient to use. Moreover, when teachers use it, they will be contaminated with some, which will fall on the user's face, being unfavorable to the user's physical health and teaching use.

[0006] 2. Most of the existing teaching equipment is directly placed on the podium or desktop, occupying a large area, being inconvenient for the placement of teaching materials, and also being inconvenient for effective storage and maintaining the integrity of the teaching aid. Summary of the Utility Model

[0007] (1) Technical Problems to be Solved

[0008] In order to overcome the above-mentioned defects of the prior art, the present utility model provides a solution to the problems in the prior art:

[0009] 1. Most of the existing teaching aids are commonly used, such as protractors, triangular rulers, and external straight rulers. However, when in use, they are usually contaminated with some chalk dust, which obscures the readings at the upper end of the teaching aids, making them inconvenient to use. Moreover, when teachers use them, some dust will stick to them and fall on the user's face, which is not conducive to the user's physical health and teaching use.

[0010] 2. Most of the existing teaching aids are directly placed on the podium or desktop, occupying a large area, which is not convenient for placing teaching materials, and is not conducive to effective storage and maintaining the integrity of teaching aids.

[0011] (II) Technical Solution

[0012] In order to overcome the above-mentioned defects of the prior art, the present utility model provides a new type of combined teaching aid to solve the problems existing in the above-mentioned background technology.

[0013] The present utility model provides the following technical solution: A new type of combined teaching aid, including a frame structure, a cleaning structure is arranged at the upper end of the frame structure, a fixing plate is arranged at the connection between the frame structure and the cleaning structure, a fixing structure is arranged at the front end of the frame structure, and a connection frame is arranged at the connection between the frame structure and the fixing structure;

[0014] Further, the frame structure includes a storage frame, side grooves are opened on the sides of the storage frame, observation grooves are opened at the front and rear ends of the storage frame, a connection frame is fixedly connected to the top end of the storage frame, and the connection frame is in a rounded rectangle shape.

[0015] Further, a plurality of first fixing holes are opened on the left and right sides of the connection frame, and a triangular ruler is placed inside the side groove opened on the side of the storage frame.

[0016] Further, the cleaning structure includes a limiting plate, a cover plate is fixedly connected to the top end of the limiting plate, threaded fixing holes are opened on the left and right sides of the limiting plate, a plurality of limiting holes are opened at the rear end of the limiting plate, a fixing plate is fixedly connected to the bottom end of the limiting plate, and fixing holes are opened on the left and right sides of the fixing plate.

[0017] Further, a dial is movably sleeved inside the limiting hole of the limiting plate, a wiping plate is fixedly connected to the other end of the dial, a spring is movably sleeved outside the dial, one side of the spring abuts against the wiping plate, and the other side of the spring abuts against the limiting plate.

[0018] Further, a fixing rod is sleeved inside the fixing hole of the fixing plate, and a roller is movably sleeved outside the fixing rod.

[0019] (III) Beneficial Effects

[0020] The technical effects and advantages of the present utility model:

[0021] 1. The utility model is provided with a cleaning structure. The wiping plate is pushed by a spring to frictionally clean the outer side of the teaching aid, so as to clean the chalk dust on the outer side of the teaching aid, reduce the possibility of obscuring the reading and falling on the user's face. The bottom end of the limiting plate is connected to the frame structure through a fixing plate, and the roller and the fixing rod assist in limiting the fall of the teaching aid.

[0022] 2. The utility model is provided with a fixing structure. By buckling the buckle plate, the curved hook plate and the hook to the edge of the podium, the occupied area is reduced, and the teaching aids are stored in the storage frame for sorting and induction, effectively storing and maintaining the integrity of the teaching aids. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 is an exploded schematic diagram of the overall structure of the utility model.

[0025] Figure 3 is a schematic diagram of the frame structure of the utility model.

[0026] Figure 4 is a schematic diagram of the cleaning structure of the utility model.

[0027] Figure 5 is a schematic diagram of the fixing structure of the utility model.

[0028] Figure 6 is a schematic diagram of the fixing structure of the utility model.

[0029] Figure 7 is a schematic diagram of the fixing structure of the utility model.

[0030] The reference numerals are: 1, frame structure; 101, storage frame; 102, side groove; 103, observation groove; 104, connection frame; 105, first fixing hole; 106, triangular plate; 2, cleaning structure; 201, limiting plate; 202, cover plate; 203, fixing plate; 204, dial plate; 205, wiping plate; 206, spring; 207, fixing rod; 208, roller; 3, fixing structure; 301, buckle plate; 302, second fixing hole; 303, fixing nail; 304, clamping frame; 305, curved hook plate; 306, third fixing hole; 307, fixing shaft; 308, collar; 309, hook. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The technical solutions in the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the present utility model. In addition, the forms of the various structures described in the following embodiments are merely examples, and the teaching aid design related to the present utility model is not limited to the various structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0032] Refer to Figure 1-4 , including a frame structure 1, a cleaning structure 2 is provided at the upper end of the frame structure 1, a fixing plate 203 is provided at the connection between the frame structure 1 and the cleaning structure 2, a fixing structure 3 is provided at the front end of the frame structure 1, and a connection frame 104 is provided at the connection between the frame structure 1 and the fixing structure 3;

[0033] Among them, the frame structure 1 includes a storage box 101, side grooves 102 are opened on the sides of the storage box 101, and observation grooves 103 are opened at the front and rear ends of the storage box 101.

[0034] Among them, the top of the storage box 101 is fixedly connected with a connection frame 104, and the connection frame 104 is in the shape of a rounded rectangle.

[0035] Among them, a plurality of first fixing holes 105 are opened on the left and right sides of the connection frame 104, and a triangular plate 106 is placed inside the side groove 102 opened on the side of the storage box 101.

[0036] Among them, the cleaning structure 2 includes a limiting plate 201, a cover plate 202 is fixedly connected to the top of the limiting plate 201, and threaded fixing holes are opened on the left and right sides of the limiting plate 201.

[0037] Among them, a plurality of limiting holes are opened at the rear end of the limiting plate 201, a fixing plate 203 is fixedly connected to the bottom end of the limiting plate 201, fixing holes are opened on the left and right sides of the fixing plate 203, and the bottom end of the limiting plate 201 is connected to the frame structure 1 through the fixing plate 203.

[0038] Among them, a dial 204 is movably sleeved inside the limiting hole of the limiting plate 201, and a wiping plate 205 is fixedly connected to the other end of the dial 204.

[0039] Among them, a spring 206 is movably sleeved outside the dial 204, one side of the spring 206 abuts against the wiping plate 205, and the other side of the spring 206 abuts against the limiting plate 201. The outer side of the teaching aid is frictionally cleaned by pushing the wiping plate 205 through the spring 206, so that the chalk dust on the outer side of the teaching aid can be cleaned.

[0040] Among them, a fixing rod 207 is sleeved inside the fixing hole of the fixing plate 203, a roller 208 is movably sleeved outside the fixing rod 207, and the roller 208 and the fixing rod 207 assist in limiting the falling of the teaching aid.

[0041] Embodiment 1;

[0042] Please refer to Figure 5 , the fixing structure 3 includes a buckle plate 301, a second fixing hole 302 and a fixing nail 303. A threaded through hole is provided on one side of the buckle plate 301 close to the storage box 101, and a threaded through hole is provided on one side of the connecting frame 104 close to the buckle plate 301. The threaded through hole of the buckle plate 301 corresponds to the threaded through hole of the connecting frame 104. The fixing nail 303 is inserted into the threaded through hole for fixing. When in use, first fit the buckle plate 301 with the connecting frame 104 so that their threaded holes correspond to each other, and then rotate the fixing nail 303 into the threaded hole for fixing;

[0043] Embodiment 2;

[0044] Please refer to Figure 6 , the fixing structure 3 includes a clamping frame 304, a curved hook plate 305 and a third fixing hole 306. Fixing bolts are threadedly sleeved at both left and right ends of the clamping frame 304. A curved hook plate 305 is movably buckled at the bottom end of the clamping frame 304. The other end of the curved hook plate 305 is buckled with the edge of the lectern. A threaded hole is provided on one side of the connecting frame 104 close to the clamping frame 304. When in use, first threadedly connect both sides of the clamping frame 304 to the third fixing hole 306 through bolts, and the curved hook plate 305 is buckled from the bottom end of the clamping frame 304;

[0045] Embodiment 3;

[0046] Please refer to Figure 7 , the fixing structure 3 includes a fixing shaft 307, a collar 308 and a hook 309. The fixing shaft 307 is fixedly connected to the connecting frame 104. A collar 308 is movably sleeved on the outer side of the fixing shaft 307. A hook 309 is fixedly connected to the outer side of the collar 308. When in use, first rotate the collar 308 on the outer side of the fixing shaft 307 so that the position of the hook 309 is the same as the hanging position, and then hang the hook 309 on the edge of the table.

[0047] Working principle of the present utility model: Before use, first check whether the device is normal to ensure that it can operate properly during use. When in use, first connect the storage frame 101 and the connection frame 104 to the lectern through the fixing structure 3. At this time, the limiting plate 201, the cover plate 202 and the fixing plate 203 are inserted into the upper end of the connection frame 104. The two groups of limiting plates 201 are fixedly attached by bolts. The fixing plate 203 is fixed by passing the fixing rod 207 through the connection frame 104. Both sides of the fixing rod 207 are fixedly connected by nuts. The dial plate 204 is sleeved inside the limiting hole opened on the limiting plate 201. Put the triangular plate 106 into the device from the upper end. The two sides of the triangular plate 106 gradually come into contact with the wiping plate 205. At this time, the spring 206 pushes the wiping plate 205 to fit on the surface of the triangular plate 106, and gradually cleans the chalk dust on the surface of the triangular plate 106. The roller 208 rolls to gradually place the triangular plate 106 into the storage frame 101.

[0048] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, and can also be the communication inside two components. It can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0049] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0050] Finally: The above is only the preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A novel combined teaching aid, comprising a frame structure (1), characterized in that: A cleaning structure (2) is arranged at the upper end of the frame structure (1), a fixing plate (203) is arranged at the connection between the frame structure (1) and the cleaning structure (2), a fixing structure (3) is arranged at the front end of the frame structure (1), and a connecting frame (104) is arranged at the connection between the frame structure (1) and the fixing structure (3).

2. A new type of combined teaching aid according to claim 1, characterized in that: The frame structure (1) comprises a storage frame (101), a side edge of the storage frame (101) is provided with a side groove (102), and observation grooves (103) are provided at the front and rear ends of the storage frame (101).

3. A new type of combined teaching aid according to claim 2, characterized in that: A connection frame (104) is fixedly connected to the top of the storage frame (101), and the connection frame (104) is in the shape of a rounded rectangle.

4. A new type of combined teaching aid according to claim 3, characterized in that: A plurality of first fixing holes (105) are provided on the left and right sides of the connection frame (104), and a triangular plate (106) is placed inside the side groove (102) provided on the side of the storage frame (101).

5. A novel combined teaching aid according to claim 1, characterized in that: The cleaning structure (2) comprises a limiting plate (201), the top of which is fixedly connected to a cover plate (202), and threaded fixing holes are provided on the left and right sides of the limiting plate (201).

6. A new type of combined teaching aid according to claim 5, characterized in that: A plurality of limiting holes are provided at the rear end of the limiting plate (201), a fixing plate (203) is fixedly connected to the bottom end of the limiting plate (201), and fixing holes are provided on the left and right sides of the fixing plate (203).

7. A new type of combined teaching aid according to claim 6, characterized in that: A shifting plate (204) is movably sleeved inside the limiting hole of the limiting plate (201), and a wiping plate (205) is fixedly connected to the other end of the shifting plate (204).

8. A new type of combined teaching aid according to claim 7, characterized in that: A spring (206) is movably sleeved on the outer side of the shifting plate (204); one side of the spring (206) abuts against the wiping plate (205), and the other side of the spring (206) abuts against the limiting plate (201).

9. A new type of combined teaching aid according to claim 8, characterized in that: A fixing rod (207) is sleeved inside the fixing hole of the fixing plate (203), and a roller (208) is movably sleeved outside the fixing rod (207).

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