Multifunctional teaching aid
By designing a multifunctional teaching aid with a limiting cover and a cleaning box, the problem of where to put the blackboard eraser after cleaning is solved, achieving automatic drying and moisture collection, improving the cleanliness of the teaching aid and the convenience of chalk storage.
Patent Information
- Application Number
- CN202520331332.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing blackboard erasers have no designated place after cleaning, which makes the podium dirty and may wet the chalk box, affecting chalk storage.
Design a multifunctional teaching aid that includes a base, a limiting cover, a cleaning box, and a chalk storage box. Through the coordinated design of the limiting cover and the cleaning box, the blackboard eraser can be automatically dried and moisture collected, and the paper chalk box can be replaced with a design that facilitates storage.
It enables automatic drying and moisture collection of blackboard erasers, preventing dirty water from flying everywhere and improving the cleanliness of teaching aids and the convenience of chalk storage.
Smart Images

Figure CN223877778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to teaching aid technical field, especially a kind of multifunctional teaching aid. BACKGROUND
[0002] Education is the whole process of cultivating new generation to prepare for social life, also the key link that human social production experience is inherited and carried forward, mainly refers to the process that school cultivates children, teenagers, teenagers of age.In the teaching process, usually, teacher writes on blackboard with chalk to carry out board writing teaching, then blackboard eraser is needed to erase chalk writing.
[0003] The existing blackboard eraser is mostly made of sponge material, which can facilitate cleaning of the blackboard eraser. However, as there is no specific placement position on the podium, the cleaned blackboard eraser will be very dirty after being placed directly on the podium, and it may also wet the paper chalk box, which is not conducive to the storage of chalk and is very troublesome. SUMMARY
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a kind of multifunctional teaching aid.
[0005] The utility model solves technical problems thereof by adopting the technical scheme that
[0006] A kind of multifunctional teaching aid, comprising:
[0007] Base;
[0008] Limiting cover, movably arranged on the base, and a placing slot for placing the blackboard eraser is formed on the limiting cover;
[0009] Cleaning box, movably arranged on the base and capable of sliding into or out of the limiting cover, and a cleaning cavity for placing cleaning liquid is formed in the cleaning box;
[0010] Blackboard eraser, movably arranged on the placing slot, and the blackboard eraser comprises sponge and a squeezing structure arranged on the sponge and capable of squeezing the sponge;
[0011] Chalk storage box, arranged on one side of the base, for storing chalk, and a chalk taking mechanism capable of taking chalk out of the box is further arranged in the chalk storage box.
[0012] The limiting cover and the cleaning box are further provided with a limiting structure.
[0013] The limiting structure comprises a limiting slot arranged at one end of the cleaning box and a limiting rod arranged on the limiting cover and capable of being inserted into the limiting slot.
[0014] The multifunctional teaching aid as claimed in claim 1, wherein both sides of the upper end of the limiting cover shell are further provided with pullable horizontal rods.
[0015] The multifunctional teaching aid as claimed in claim 1, wherein the cleaning box body is further provided with a handle.
[0016] The multifunctional teaching aid as claimed in claim 1, wherein the extrusion structure comprises a first extrusion jaw body and a second extrusion jaw body which are hingedly connected to each other, and the first extrusion jaw body and the second extrusion jaw body are connected to the sponge at opposite ends thereof, and the hinge joint between the first extrusion jaw body and the second extrusion jaw body is arranged at the center of the sponge.
[0017] The multifunctional teaching aid as claimed in claim 1, wherein the first extrusion jaw body and the second extrusion jaw body are further connected with a reset spring at a position close to the hinge joint.
[0018] The multifunctional teaching aid as claimed in claim 1, wherein the chalk taking mechanism comprises a taking opening arranged at the lower end of a side wall of the chalk storage box, and a taking piece hingedly arranged at the lower end of the chalk storage box and capable of covering or exposing the taking opening.
[0019] The multifunctional teaching aid as claimed in claim 1, wherein a plurality of hooks are further arranged on a side wall of the chalk storage box.
[0020] The multifunctional teaching aid as claimed in claim 1, wherein a question box is further arranged on the other side wall of the chalk storage box which is opposite to the hooks.
[0021] The multifunctional teaching aid has the advantages that: the multifunctional teaching aid has simple structure, and the blackboard eraser can be automatically dried after being placed in the placing groove after being cleaned in the cleaning cavity and being extruded by the extrusion structure to remove water, the water flowing out of the blackboard eraser can be automatically dropped into the cleaning box body, the situation of sewage flying around can be avoided, the blackboard eraser is clean and tidy, the chalk storage box is arranged to replace the original paper box, and the chalk storage is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.
[0023] Fig. 1 is a structural schematic view of the multifunctional teaching aid according to an embodiment of the present application.
[0024] Fig. 2 is a structural schematic view of the multifunctional teaching aid according to an embodiment of the present application.
[0025] Fig. 3 is the structural exploded view of the limiting cover shell, the cleaning box body and the blackboard eraser of the utility model embodiment.
[0026] Fig. 4 is the structural schematic view of the chalk storage box of the utility model embodiment. DETAILED DESCRIPTION
[0027] The technical scheme of the utility model will be described in detail below in combination with the drawings and embodiments.
[0028] Please refer to Figs. 1 to 4 The embodiment of the present application provides a multifunctional teaching aid, which comprises:
[0029] The base 1 is provided with a limiting cover shell 2, a cleaning box body 4 and a chalk storage box 6.
[0030] The limiting cover shell 2 is movably arranged on the base 1 and is provided with a placing groove 3 for placing the blackboard eraser 5.
[0031] The cleaning box body 4 is movably arranged on the base 1 and can slide into or out of the limiting cover shell 2, and is provided with a cleaning cavity 40 for placing cleaning liquid.
[0032] The blackboard eraser 5 is movably arranged on the placing groove 3, and comprises a sponge 51 and a squeezing structure 52 arranged on the sponge 51 and capable of squeezing the sponge 51.
[0033] The chalk storage box 6 is arranged on one side of the base 1 and is used for placing chalk, and is further provided with a chalk taking mechanism 7 capable of sending the chalk out of the box.
[0034] Through the cooperation of the limiting cover shell 2 and the cleaning box body 4, after the blackboard eraser 5 is placed in the cleaning cavity 40 for cleaning and the water is squeezed out by the squeezing structure 52, the blackboard eraser 5 can be automatically dried when placed on the placing groove 3, and the water flowing out of the blackboard eraser 5 can also be automatically dripped into the cleaning box body 4, so that the situation of sewage flying around is avoided, and the environment is clean and tidy.
[0035] Further, the limiting cover shell 2 and the cleaning box body 4 are further provided with a limiting structure 8.
[0036] Specifically, the limiting structure 8 comprises a limiting slot 81 arranged at one end of the cleaning box body 4 and a limiting rod 82 arranged on the limiting cover shell 2 and capable of being inserted into the limiting slot 81.
[0037] In use, the cleaning tank 4 filled with water is inserted into the limiting shell 2 from the base 1 until the limiting slot 81 touches the limiting plug 82, then the limiting shell 2 is pulled up to move the limiting plug 82 up, and then the cleaning tank 4 is continuously pushed until the limiting slot 81 moves below the limiting plug 82, and finally the limiting shell 2 is moved down to make the limiting plug 82 inserted into the limiting slot 81, so that the limiting is completed, which is practical and convenient, and can avoid the cleaning tank 4 from separating from the limiting shell 2. When water needs to be changed, the operation is reversed.
[0038] In the embodiment, the base 1 is further provided with a fixing groove 10 into which the lower end of the limiting shell 2 is inserted.
[0039] Specifically, the limiting shell 2 is further provided with a pull rod 20 on each side of the upper end of the limiting shell 2. The pull rod 20 is manually grabbed to move the limiting shell 2, which is practical and convenient.
[0040] Specifically, the cleaning tank 4 is further provided with a handle 41. The handle 41 is convenient for pulling out the cleaning tank 4.
[0041] Further, the squeezing structure 52 comprises a first squeezing jaw 521 and a second squeezing jaw 522 which are hingedly connected to each other, and the first squeezing jaw 521 and the second squeezing jaw 522 are respectively connected to the two sides of the sponge 51 at the opposite ends thereof, and the hinge joint between the first squeezing jaw 521 and the second squeezing jaw 522 is arranged at the center of the sponge 51.
[0042] When the sponge 51 is cleaned, the first squeezing jaw 521 and the second squeezing jaw 522 are manually pressed to squeeze the sponge 51, which is practical and convenient.
[0043] Specifically, the first squeezing jaw 521 and the second squeezing jaw 522 are further connected with a reset spring 523 at the joint point therebetween. After the first squeezing jaw 521 and the second squeezing jaw 522 are pressed, the reset spring 523 is used to automatically reset the first squeezing jaw 521 and the second squeezing jaw 522, and the sponge 51 can be automatically unfolded after being squeezed, which is practical and convenient.
[0044] Further, the chalk taking mechanism 7 comprises a taking opening 71 arranged at the lower end of a side wall of the chalk storage box 6, and a taking piece 72 hingedly arranged at the lower end of the chalk storage box 6 and capable of covering or exposing the taking opening 71.
[0045] When the chalk needs to be taken, the taking piece 72 is pressed, and then the chalk in the chalk storage box 6 is freely rolled from the taking opening 71 to the taking piece 72 by the action of gravity, so that the chalk is taken, which is practical and convenient.
[0046] In the embodiment, the taking member 72 has the same principle as the automatic taking box of the suction pipe, which is prior art and will not be described in detail.
[0047] Further, the chalk storage box 6 is further provided with a plurality of hooks 61 on one side wall.
[0048] Further, the chalk storage box 6 is further provided with a question box 62 on the other side wall opposite to the hooks 61.
[0049] In the embodiment, the question box 62 can be further provided with an ejection mechanism to eject the small paper balls, which is convenient to use.
[0050] In summary, the cooperation of the limiting cover 2 and the cleaning box 4 can automatically dry the blackboard eraser 5 after the blackboard eraser 5 is cleaned in the cleaning cavity 40 and the water is squeezed by the squeezing structure 52, and the water from the blackboard eraser 5 can be automatically dropped into the cleaning box 4, so that the sewage is not scattered, and the blackboard eraser 5 is clean and tidy.
[0051] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or direct or indirect application in other related technical fields based on the content of the present application is also included in the patent protection range of the present application.
Claims
1. A multifunctional teaching aid, characterized in that, Including: Base (1); The limiting cover (2) is movably mounted on the base (1), and a placement slot (3) for placing the blackboard eraser (5) is provided on it; The cleaning box (4) is movably mounted on the base (1) and can slide into the limiting cover (2) or be pulled out of the limiting cover (2). It has a cleaning chamber (40) for placing cleaning liquid. The blackboard eraser (5) is movably mounted on the placement slot (3). The blackboard eraser (5) includes a sponge (51) and a compression structure (52) disposed on the sponge (51) and capable of squeezing the sponge (51). A chalk storage box (6) is located on one side of the base (1) for storing chalk, and is also provided with a chalk retrieval mechanism (7) that can send the chalk out of the box.
2. The multifunctional teaching aid according to claim 1, characterized in that: A limiting structure (8) is also provided between the limiting cover (2) and the cleaning box (4).
3. The multifunctional teaching aid according to claim 2, characterized in that: The limiting structure (8) includes a limiting slot (81) located at one end of the cleaning box (4) and a limiting rod (82) located on the limiting cover (2) and capable of being inserted into the limiting slot (81).
4. A multifunctional teaching aid according to claim 2, characterized in that: The upper ends of the limiting cover (2) are also provided with lifting crossbars (20).
5. A multifunctional teaching aid according to claim 1, characterized in that: The cleaning box (4) is also equipped with a handle (41).
6. A multifunctional teaching aid according to claim 1, characterized in that: The extrusion structure (52) includes a first extrusion clamp (521) and a second extrusion clamp (522) that are hinged to each other. The opposite ends of the first extrusion clamp (521) and the second extrusion clamp (522) are respectively connected to the two sides of the sponge (51). The hinge point between the first extrusion clamp (521) and the second extrusion clamp (522) is located at the center of the sponge (51).
7. A multifunctional teaching aid according to claim 6, characterized in that: A return spring (523) is also connected between the first squeezing clamp (521) and the second squeezing clamp (522) near the junction.
8. A multifunctional teaching aid according to claim 1, characterized in that: The chalk retrieval mechanism (7) includes a retrieval opening (71) located at the lower end of one side wall of the chalk storage box (6), and a retrieval component (72) hinged to the lower end of the chalk storage box (6) and capable of covering or exposing the retrieval opening (71).
9. A multifunctional teaching aid according to claim 1, characterized in that: The chalk storage box (6) is also provided with several hooks (61) on one side wall.
10. A multifunctional teaching aid according to claim 9, characterized in that: A question box (62) is also provided on the other side wall opposite to the hook (61) of the chalk storage box (6).