Volcanic eruption demonstration instrument
Through modular structure and protective mechanisms, the problems of cleaning difficulties and pollution associated with traditional volcanic eruption demonstrators have been solved, achieving a safe and environmentally friendly volcanic eruption demonstration effect.
Patent Information
- Application Number
- CN202520362617.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional volcanic eruption demonstrators are complex and difficult to clean after use, which may damage internal components. Splashing erupted liquid poses a risk of burns, and gas emissions pollute the environment.
The modular structure and protective mechanisms, including a protective cover, an exhaust pipe, and activated carbon sheets, are designed to ensure the equipment is stable, airtight, and purifies the exhaust gas.
It simplifies the cleaning process, prevents liquid splashing, protects laboratory personnel, purifies exhaust gases, and reduces environmental pollution.
Smart Images

Figure CN223927015U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of volcano eruption demonstration, specifically is a volcano eruption demonstration instrument. BACKGROUND
[0002] In the process of geography teaching, many complex geographical natural phenomena cannot be described by language or cannot make students understand the scientific principle or internal nature of the occurrence of geographical natural phenomena well by language and blackboard sketch, and repeated explanation can only force students to simply abstract memory, cannot understand the scientific principle contained in the phenomenon, cannot reach a good classroom interaction effect, and affect the teaching quality, therefore some demonstration instruments need to be used to increase the classroom interaction effect, the volcano eruption demonstration instrument is a commonly used instrument applied to the geography teaching classroom, can let students perceive the process of volcano eruption.
[0003] The traditional volcano eruption demonstration instrument is complex and difficult to clean after use, especially when the eruption liquid splashes or remains, since the heating element and the circuit are usually located inside the equipment or close to the eruption area, these components can be damaged during cleaning, secondly, the liquid can splash directly through the gas discharge pipeline, increasing the risk of scalding or staining for the experimenters, finally, the gas generated during the eruption is directly discharged into the air without treatment, which can pollute the environment, especially when the demonstration is performed indoors, which can affect air quality. UTILITY MODEL CONTENT
[0004] In view of the defects of the prior art, the utility model provides a volcano eruption demonstration instrument, which has the advantages of safety and the like, solves the problems that the traditional volcano eruption demonstration instrument is complex and difficult to clean after use, especially when the eruption liquid splashes or remains, since the heating element and the circuit are usually located inside the equipment or close to the eruption area, these components can be damaged during cleaning, and the like.
[0005] To achieve the above object, the utility model provides the following technical scheme: a volcano eruption demonstration instrument, four supporting legs, the upper side of four supporting legs is fixed with the same bottom plate, the upper surface of bottom plate is fixed with positioning seat, the upper side of positioning seat is provided with demonstration mechanism for volcano eruption simulation, the bottom plate is provided with protection mechanism for protecting demonstration process,
[0006] The upper surface of the positioning seat is provided with a positioning groove, the demonstration mechanism comprises an antiskid ring placed in the positioning groove, a volcano model is placed in the positioning groove and on the upper side of the antiskid ring, a beaker is arranged at the center of the upper side of the positioning seat and in the volcano model, rubber plugs are clamped at the ports of the volcano model and the beaker, the same spray pipe is arranged in the two rubber plugs, a connecting port is formed by the absence of the connection between the positioning seat and the bottom plate, an electric heating plate is fixed between the inner walls of the four sides of the connecting port, and the beaker is placed on the upper side of the electric heating plate.
[0007] Further, the volcano model is in the shape of a hollow cone with the lower surface being absent, and the inside of the beaker is filled with spray liquid.
[0008] Further, the positioning groove is in the shape of a ring in the longitudinal section, and the antiskid ring is a rubber ring.
[0009] Further, the protection mechanism comprises a protection cover placed on the upper surface of the bottom plate and outside the positioning seat, a top cover is placed on the upper surface of the protection cover, a clasp ring is fixed to the lower surface of the top cover, an air outlet pipe is fixed to the upper surface of the top cover and extends to the lower side of the clasp ring, and four air inlet pipes are uniformly distributed and fixed to the outer side of the air outlet pipe.
[0010] Further, the protection mechanism further comprises an air outlet head screw-connected to the outer side of the air outlet pipe, and the outer side of the air outlet head is provided with air outlet holes.
[0011] Further, the inner wall of the air outlet pipe is fixed with two symmetrical support pieces, and the upper surface of the support piece is placed with an activated carbon sheet in the air outlet pipe.
[0012] Compared with the prior art, the technical scheme has the following beneficial effects:
[0013] The volcano eruption demonstration instrument has a modular structure, which is convenient to disassemble and clean, and the design of the heating structure avoids damage to the heating element in the cleaning process and the demonstration process; the non-linear gas discharge pipeline effectively prevents the spray liquid from splashing out, ensuring the safety of the experimenters; the built-in activated carbon sheet purifies the discharged gas, reduces environmental pollution, and protects the air quality of the experimental environment. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a structural schematic view of the utility model;
[0015] Fig. 2 It is an internal structural schematic view of the utility model;
[0016] Fig. 3 It is a structural schematic view of the protection mechanism of the utility model.
[0017] In the figure: 1 foot, 2 bottom plate, 3 positioning seat, 4 demonstration mechanism, 401 volcano model, 402 beaker, 403 rubber plug, 404 jet pipe, 405 electric hot plate, 406 non-slip ring, 5 protection mechanism, 501 protective cover, 502 top cover, 503 snap ring, 504 gas outlet pipe, 505 gas inlet pipe, 506 gas outlet head, 507 activated carbon sheet. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0019] Please refer to Figs. 1-3 The volcano eruption demonstration instrument in the embodiment comprises four feet 1, the upper side of the four feet 1 is fixed with the same bottom plate 2, the upper surface of the bottom plate 2 is fixed with the positioning seat 3, the upper side of the positioning seat 3 is provided with the demonstration mechanism 4 for simulating the volcano eruption, and the bottom plate 2 is provided with the protection mechanism 5 for protecting the demonstration process.
[0020] The upper surface of the positioning seat 3 is provided with a positioning groove, the demonstration mechanism 4 comprises the non-slip ring 406 placed in the positioning groove, the volcano model 401 is placed in the positioning groove and located at the upper side of the non-slip ring 406, the beaker 402 is arranged at the center of the upper side of the positioning seat 3 and located in the volcano model 401, the rubber plugs 403 are arranged at the ports of the volcano model 401 and the beaker 402, the same jet pipe 404 is arranged in the two rubber plugs 403, a connecting port is formed at the connecting position of the positioning seat 3 and the bottom plate 2, the electric hot plate 405 is fixed between the inner walls of the four sides of the connecting port, and the beaker 402 is placed at the upper side of the electric hot plate 405.
[0021] It should be noted that the upper surface of the positioning seat 3 is provided with a positioning groove, and the non-slip ring 406 is arranged in the positioning groove, so that the volcano model 401 can be stably placed and prevented from being displaced. The rubber plugs 403 are arranged at the ports of the volcano model 401 and the beaker 402, and the same jet pipe 404 is connected, so that the sealing performance and the eruption effect are ensured. The connecting port is formed at the connecting position of the positioning seat 3 and the bottom plate 2, and the electric hot plate 405 is fixed between the inner walls of the four sides of the connecting port, so that the jet liquid in the beaker 402 can be directly heated, and uniform and efficient heating is provided. This design not only enhances the stability, sealing performance and heating efficiency of the equipment, but also simplifies the assembly and disassembly process, improves the convenience and safety of operation, and makes the volcano eruption simulation more realistic and reliable.
[0022] The shape of the volcano model 401 is a hollow cone with a missing lower surface, the beaker 402 is filled with spouting liquid, the longitudinal section of the positioning groove is annular, and the anti-skid ring 406 is a rubber ring.
[0023] It should be noted that the volcano model 401 is designed as a hollow cone with a missing lower surface, which not only has a realistic appearance, but also ensures smooth flow of spouting liquid, simulating the real volcano eruption phenomenon. The beaker 402 is filled with spouting liquid, which is convenient for heating and producing eruption effect. The longitudinal section of the positioning groove is annular, which cooperates with the rubber ring anti-skid ring 406 to ensure that the volcano model 401 is stably placed, preventing displacement or tilting during the experiment, improving the safety and reliability of the operation. This design is not only beautiful but also practical, effectively enhancing the demonstration effect and safety.
[0024] The protection mechanism 5 includes a protection cover 501 placed on the upper surface of the bottom plate 2 and located outside the positioning seat 3, a top cover 502 is placed on the upper surface of the protection cover 501, a snap ring 503 is fixed on the lower surface of the top cover 502, one end of an air outlet pipe 504 fixed on the upper surface of the top cover 502 penetrates and extends to the lower side of the snap ring 503, and four evenly distributed air inlet pipes 505 are communicated and fixed on the outer side of the air outlet pipe 504.
[0025] It should be noted that the protection mechanism 5 of the volcano eruption demonstration instrument is designed ingeniously, including a protection cover 501 placed on the upper surface of the bottom plate 2 and located outside the positioning seat 3, a top cover 502 is provided on the protection cover 501, a snap ring 503 is fixed on the lower surface of the top cover 502, which ensures that the structure is stable and sealed well. One end of an air outlet pipe 504 fixed on the upper surface of the top cover 502 penetrates and extends to the lower side of the snap ring 503, and four evenly distributed air inlet pipes 505 are communicated and fixed on the outer side of the air outlet pipe 504. This design not only effectively prevents the spouting liquid from splashing out, protecting the safety of the experimenters, but also ensures smooth gas discharge through the multi-channel gas flow path, enhancing the safety and stability of the demonstration.
[0026] In this embodiment, the protection mechanism 5 further includes an air outlet head 506 threadedly connected to the outer side of the air outlet pipe 504, the outer side of the air outlet head 506 is provided with a plurality of air outlet holes, the inner wall of the air outlet pipe 504 is fixed with two symmetrical support pieces, and the upper surface of the support piece is placed with an activated carbon sheet 507 inside the air outlet pipe 504.
[0027] It should be noted that the air outlet head 506 threadedly connected to the outer side of the air outlet pipe 504 has a plurality of air outlet holes, which ensures smooth gas discharge while effectively dispersing the gas flow, improving safety; and the activated carbon sheet 507 placed on the support piece fixed on the inner wall of the air outlet pipe 504 can efficiently adsorb and purify the gas generated during the eruption process, reducing the emission of harmful substances, protecting the air quality of the experimental environment, and ensuring the safety and environmental protection of the demonstration.
[0028] The working principle of the above-mentioned embodiment is that: the beaker 402 is placed at the center inside the volcano model 401, and the prepared spouting liquid potato mud, tomato sauce, detergent and hot water are added in the beaker 402, the rubber plug 403 seals the port of the volcano model 401 and the beaker 402, and ensures that the spouting pipe 404 is correctly connected and passes through the two rubber plugs 403, the volcano model 401 is placed on the anti-skid ring 406 to ensure its stability, the protective cover 501 is placed on the bottom plate 2 to surround the outside of the positioning seat 3, the top cover 502 is placed on the top of the protective cover 501, and the clasp ring 503 is ensured to be attached to the inner wall of the protective cover 501, the power cord of the electric heating plate 405 is connected to the external power supply, the circuit connection is ensured to be safe and reliable, the power switch is turned on, and the electric heating plate 405 starts to heat the spouting liquid in the beaker 402, the electric heating plate 405 provides uniform heat distribution, so that the spouting liquid is gradually heated, and as the temperature rises, the components such as detergent in the spouting liquid begin to generate a large amount of foam, and the gas pressure gradually increases, when the gas pressure reaches a certain threshold value, the liquid in the spouting pipe 404 is pushed out from the top of the volcano model 401, simulating the effect of lava eruption, and during the eruption process, the red spouting liquid with rich foam gushes out of the volcano model 401, forming a spectacular scene similar to real volcanic eruption, the gas generated during the eruption process enters the gas outlet pipe 504 through the gas inlet pipe 505, and is finally discharged through the gas outlet head 506, and the horizontal design of the gas inlet pipe 505 avoids liquid splashing out of the device, and when the gas passes through the gas outlet pipe 504, it is adsorbed and purified by the activated carbon sheet 507, reducing the emission of harmful gas and protecting the air quality of the experimental environment.
[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a", "comprising", or "includes a", "including", does not, without more constraints, preclude the existence of additional identical elements other than the listed elements.
[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application.
Claims
1. A volcano eruption demonstration apparatus comprising four legs (1), characterized in that: The upper side of four supporting legs (1) is fixed with the same bottom plate (2), the upper surface of the bottom plate (2) is fixed with the positioning seat (3), the upper side of the positioning seat (3) is provided with the demonstration mechanism (4) for volcanic eruption simulation, the bottom plate (2) is provided with the protection mechanism (5) for protecting the demonstration process; The upper surface of the positioning seat (3) is provided with the positioning groove, the demonstration mechanism (4) comprises the anti-skid ring (406) placed in the positioning groove, the volcano model (401) is placed in the positioning groove and located on the upper side of the anti-skid ring (406), the beaker (402) is arranged at the center of the upper side of the positioning seat (3) and located in the volcano model (401), the rubber plug (403) is clamped at the port of the volcano model (401) and the beaker (402), the same spray pipe (404) is arranged in the two rubber plugs (403), the connecting port is formed in the connecting portion of the positioning seat (3) and the bottom plate (2), the electric heating plate (405) is fixed between the inner walls of the four sides of the connecting port, and the beaker (402) is placed on the upper side of the electric heating plate (405).
2. A volcano eruption demonstration apparatus according to claim 1, characterized in that: The shape of the volcano model (401) is a hollow cone with a missing lower surface, and the inside of the beaker (402) is filled with spray liquid.
3. A volcano eruption demonstration apparatus according to claim 1, characterized in that: The shape of the longitudinal section of the positioning groove is annular, and the anti-skid ring (406) is a rubber ring.
4. The volcanic eruption demonstration apparatus according to claim 1, characterized by: The protection mechanism (5) comprises the protection cover (501) placed on the upper surface of the bottom plate (2) and located outside the positioning seat (3), the upper surface of the protection cover (501) is provided with the top cover (502), the lower surface of the top cover (502) is fixed with the clamping ring (503), the upper surface of the top cover (502) is fixed with the gas outlet pipe (504) penetrating one end and extending to the lower side of the clamping ring (503), and the outer side of the gas outlet pipe (504) is communicated and fixed with four evenly distributed gas inlet pipes (505).
5. A volcano eruption demonstration apparatus according to claim 4, characterized in that: The protection mechanism (5) further comprises the gas outlet head (506) threadedly connected to the outer side of the gas outlet pipe (504), and the outer side of the gas outlet head (506) is provided with not less than two gas outlet holes.
6. A volcano eruption demonstration apparatus according to claim 5, characterized in that: The inner wall of the gas outlet pipe (504) is fixed with two symmetrical supporting sheets, and the upper surface of the supporting sheet is placed with the activated carbon sheet (507) in the gas outlet pipe (504).