CN217955312U

CN217955312U - Buoyancy demonstration device for physics teaching

Info

Publication number: CN217955312U
Application number: CN202221545413.4U
Authority: CN
Inventors: 肖飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-02
Anticipated expiration: 2032-06-20

Abstract

The utility model provides a buoyancy presentation device for physical teaching, relate to physical teaching equipment technical field, the on-line screen storage device comprises a base, the equal fixedly connected with pillar in up end four corners department of base, the up end fixedly connected with footstock of four pillars, the three evenly distributed's of up end fixedly connected with drinking cup of base, two feed cylinders of up end fixedly connected with of footstock, two feed cylinders are located middle and right side drinking cup directly over respectively, the bottom of two feed cylinders all is provided with the discharge gate that extends to the footstock below, open discharge valve, be located inside the salt of feed cylinder alright directly get into the drinking cup through the discharge gate inside, it is convenient to add salt, improve experimental efficiency and convenient operation, treat that the water in the experiment finishes to arrange the inside of base through the outlet through the valve switch, further open the second drain valve with water from the base through the drain pipe discharge, the drainage is convenient, the design is compact, carry and take conveniently, the teaching demonstration is more directly perceived, be convenient for teaching work.

Description

Buoyancy demonstration device for physics teaching

Technical Field

The application belongs to the technical field of physical teaching equipment, and more specifically relates to a buoyancy presentation device for physical teaching.

Background

Physics is a subject for researching the most general law of motion of substances and the basic structure of the substances, is used as a leading subject of natural science, researches the most basic motion form and law of all substances such as universe and basic particles, and the like, so that the physics becomes the research basis of other natural scientific subjects, the theoretical structure of the physics fully uses mathematics as a working language of the physics, takes an experiment as a unique standard for checking the theoretical correctness, is the most precise natural scientific subject at present, and needs buoyancy teaching demonstration in the existing physical teaching;

the egg suspension experiment is one of basic experiments in physical experiments in junior middle schools, and the experimental materials are as follows: clear water, a long glass cup, pigment, a raw egg, salt and a stirring rod are poured into the glass cup, then the raw egg is placed, the raw egg can be seen to sink to the bottom of the glass cup, another glass cup is taken, about 100ml of clear water is poured into the glass cup, then 50ml of salt is poured into the glass cup and stirred until the salt is dissolved, the raw egg is placed, the pigment and the egg can be seen to float above the glass cup, and the experimental principle is that: the buoyancy of the liquid and the density of the liquid are closely related. The greater the density of the liquid, the greater its buoyancy, whereas the smaller the density, the lesser the buoyancy. The eggs sink into the water immediately because the density of clear water is low, and the buoyancy of water is lower than the gravity of the eggs, so the eggs sink into the water bottom under the influence of the gravity. When salt is added to the clear water, the density of the liquid in the cup is increased, resulting in an increase in buoyancy. When the buoyancy is larger than the gravity of the eggs, the eggs float on the water surface.

And when carrying out the experiment of egg suspension among the prior art, go on through basic experimental materials, all need manual completion when operations such as water injection, drainage and salt addition, experiment complex operation, and the teaching demonstration is not directly perceived, and the student is not understandable, influences the interest in study.

Disclosure of Invention

The utility model aims to remedy prior art's weak point, provide a buoyancy presentation device for physical teaching, all need manual completion when having solved operations such as water injection, drainage and salt, experiment complex operation, and the demonstration of just imparting knowledge to students is not directly perceived, the problem that the student is not understandable, influences the interest in learning.

The technical scheme adopted by the application is as follows:

the utility model provides a buoyancy presentation device for physical teaching, includes the base, the equal fixedly connected with pillar in up end four corners department of base, four the up end fixedly connected with footstock of pillar, the three evenly distributed's of up end fixedly connected with drinking cup of base, two feed cylinders of the up end fixedly connected with of footstock, two the feed cylinder is located respectively directly over middle and right side drinking cup, two the bottom of feed cylinder all is provided with the discharge gate that extends to the footstock below, two the outer wall of discharge gate all is provided with ejection of compact valve door, the footstock is hollow structure and inside is provided with the main water pipe, the outer wall intercommunication of main water pipe has three outlet pipe, and is three the outlet pipe all extends to the outside below of footstock and is located respectively directly over three drinking cup.

For the convenience and outside water source intercommunication, as the utility model discloses a buoyancy presentation device is preferred for physical teaching, the water pump is installed in the outer wall left side of footstock, one side and the main water pipe intercommunication of water pump, the opposite side intercommunication of water pump has the connecting pipe.

For the convenience of carrying out the drainage, as the utility model discloses a buoyancy presentation device is preferred for physical teaching, it is three the bottom of drinking cup all communicates has the outlet that extends to base inside, and is three the outer wall of outlet all is provided with first drainage valve, and is three the outer wall of first drainage valve all is provided with the valve switch that extends to terminal surface before the base outer wall.

For the convenience of discharging water out of the base, as the utility model discloses a buoyancy presentation device is preferred for physical teaching, the right side wall intercommunication of base has the drain pipe, the outer wall of drain pipe is provided with second drain valve.

For the convenience of depositing ball for the experiments, as the utility model discloses a buoyancy presentation device for physical teaching is preferred, is located fixedly connected with bin between two pillars in left side, the inside of bin is provided with the baffle, the up end of baffle runs through the recess of having seted up a plurality of evenly distributed.

For the convenience of mobile device, as the utility model discloses a buoyancy presentation device is preferred for physical teaching, the connecting handle of the up end fixedly connected with door font of footstock, the top middle part of connecting handle is provided with the handle.

For improve equipment stability, conduct the utility model discloses a buoyancy presentation device is preferred for physical teaching, the bottom of base is provided with a plurality of rubber pads.

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

1. during experimental teaching, firstly, an external water source is communicated with a connecting pipe, then a water pump is started, the water pump pumps water into a main water pipe, then water in the main water pipe flows into a water cup below through three water outlet pipes on the outer wall, rapid water injection can be realized, the same amount of water can be kept, the water quantity error in each water cup does not influence the experiment progress and the experiment result, a discharge valve is opened, salt in a charging barrel can directly enter the water cup through a discharge port, the salt is convenient to add, the experiment efficiency is improved, the operation is convenient, after the experiment is finished, the water in the three water cups is discharged into the base through a water outlet through a valve switch, and a second drain valve is further opened to discharge the water from the base through a drain pipe, so that the water drainage is convenient, the design is compact, the carrying and taking are convenient, the teaching demonstration is more visual, and the teaching work is convenient;

2. the inside baffle that is provided with of bin, the up end of baffle runs through the recess of having seted up a plurality of evenly distributed, and the recess is used for placing fixed for the experiment spheroid, and the convenience of taking is convenient for deposit, and the top middle part of connecting handle is provided with the handle, and the teacher of being convenient for is handheld the handle and is taken and carry equipment, and it is more convenient to use, and the bottom of base is provided with a plurality of rubber pads, increases the frictional force between the base and the table body to improve equipment stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic view of the overall external structure of the present invention;

FIG. 3 is a top view of the storage box of the present invention;

in the figure: 1. a base; 2. a pillar; 3. a top seat; 4. a water cup; 5. a charging barrel; 6. a discharge port; 7. a discharge valve; 8. a main water pipe; 9. a water outlet pipe; 10. a water pump; 11. a water outlet; 12. a first drain valve; 13. opening and closing a valve; 14. a drain pipe; 15. a second drain valve; 16. a storage tank; 17. a groove; 18. a connecting handle; 19. a handle; 20. a rubber pad; 21. and (4) connecting the pipes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

The buoyancy demonstration device for physics teaching provided by the embodiment of the application is explained.

Example, as shown in fig. 1 to 3:

the utility model provides a buoyancy presentation device for physical teaching, includes base 1, its characterized in that: equal fixedly connected with pillar 2 in up end four corners department of base 1, up end fixedly connected with footstock 3 of four pillars 2, the three evenly distributed's of up end fixedly connected with drinking cup 4 of base 1, two feed cylinders 5 of up end fixedly connected with of footstock 3, two feed cylinders 5 are located respectively directly over centre and right side drinking cup 4, the bottom of two feed cylinders 5 all is provided with discharge gate 6 that extends to footstock 3 below, the outer wall of two discharge gates 6 all is provided with ejection of compact valve 7, footstock 3 is hollow structure and inside is provided with main water pipe 8, the outer wall intercommunication of main water pipe 8 has three outlet pipe 9, three outlet pipe 9 all extends to the outside below of footstock 3 and is located three drinking cup 4 respectively directly over.

In this embodiment: when experimental teaching, at first communicate outside water source and connecting pipe 21, start water pump 10 afterwards, water pump 10 is inside water suction main water pipe 8, water in main water pipe 8 flows to below drinking cup 4 through three outlet pipe 9 of outer wall afterwards, can realize quick water injection and can keep equivalent water, water volume error in each drinking cup 4 does not influence experiment progress and experimental result, open discharge valve 7, be located inside salt of feed cylinder 5 alright directly get into inside drinking cup 4 through discharge gate 6, the salting is convenient, improve experimental efficiency and convenient operation, treat the inside of discharging through outlet 11 with the water in three drinking cup 4 through valve switch 13 to base 1 after the experiment finishes, further open second discharge valve 15 and discharge water from base 1 through drain pipe 14, the drainage is convenient, the design is compact, carry and take conveniently, the teaching demonstration is more directly perceived, be convenient for teaching work.

As a technical optimization scheme of the utility model, water pump 10 is installed in the outer wall left side of footstock 3, and one side and the 8 intercommunications of main water pipe of water pump 10, the opposite side intercommunication of water pump 10 have connecting pipe 21.

In this embodiment: the other side intercommunication of water pump 10 has connecting pipe 21 for connect outside water source, be convenient for realize automatic water injection, if the experiment place water receiving is inconvenient, the distance between drinking cup 4 and footstock 3 is great, also can manually add water, uses in a flexible way.

As a technical optimization scheme of the utility model, the bottom of three drinking cup 4 all communicates has the outlet 11 that extends to base 1 inside, and the outer wall of three outlet 11 all is provided with first drain valve 12, and the outer wall of three first drain valve 12 all is provided with the valve switch 13 that extends to terminal surface before the base 1 outer wall.

In this embodiment: after the experiment is finished, the water in the three water cups 4 is discharged to the inside of the base 1 through the water outlet 11 through the valve switch 13.

As a technical optimization scheme of the utility model, base 1's right side wall intercommunication has drain pipe 14, and drain pipe 14's outer wall is provided with second drain valve 15.

In this embodiment: the second drain valve 15 is opened to drain water from the base 1 through the drain pipe 14, which is convenient.

As a technical optimization scheme of the utility model, be located fixedly connected with bin 16 between two pillars 2 in left side, bin 16's inside is provided with the baffle, and the up end of baffle runs through the recess 17 of having seted up a plurality of evenly distributed.

In this embodiment: the inside baffle that is provided with of bin 16, the up end of baffle runs through the recess 17 of seting up a plurality of evenly distributed, and recess 17 is used for placing fixed for the experiment spheroid, and the convenience of taking is convenient for deposit.

As a technical optimization scheme of the utility model, the connection handle 18 of the up end fixedly connected with door font of footstock 3, the top middle part of connection handle 18 is provided with handle 19.

In this embodiment: the middle part of the upper part of the connecting handle 18 is provided with a handle 19, so that the teacher can conveniently hold the handle 19 to take and carry the equipment, and the use is more convenient.

As a technical optimization scheme of the utility model, the bottom of base 1 is provided with a plurality of rubber pads 20.

In this embodiment: the bottom of base 1 is provided with a plurality of rubber pads 20, increases the frictional force between base 1 and the table body to improve equipment stability.

The working principle is as follows: when experimental teaching, at first communicate outside water source and connecting pipe 21, start water pump 10 afterwards, water pump 10 is inside water suction main water pipe 8, water in main water pipe 8 flows to below drinking cup 4 through three outlet pipe 9 of outer wall afterwards, can realize quick water injection and can keep equivalent water, water volume error in each drinking cup 4 does not influence experiment progress and experimental result, open discharge valve 7, be located inside salt of feed cylinder 5 alright directly get into inside drinking cup 4 through discharge gate 6, the salting is convenient, improve experimental efficiency and convenient operation, treat the inside of discharging through outlet 11 with the water in three drinking cup 4 through valve switch 13 to base 1 after the experiment finishes, further open second discharge valve 15 and discharge water from base 1 through drain pipe 14, the drainage is convenient, the design is compact, carry and take conveniently, the teaching demonstration is more directly perceived, be convenient for teaching work.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. The utility model provides a buoyancy presentation device for physical teaching, includes base (1), its characterized in that: equal fixedly connected with pillar (2), four in up end four corners department of base (1) up end fixedly connected with footstock (3) of pillar (2), the three evenly distributed's of up end fixedly connected with drinking cup (4) of base (1), two feed cylinders (5) of up end fixedly connected with of footstock (3), two feed cylinder (5) are located directly over middle and right side drinking cup (4) respectively, two the bottom of feed cylinder (5) all is provided with discharge gate (6) that extend to footstock (3) below, two the outer wall of discharge gate (6) all is provided with ejection of compact valve (7), footstock (3) are hollow structure and inside are provided with main water pipe (8), the outer wall intercommunication of main water pipe (8) has three outlet pipe (9), it is three outlet pipe (9) all extend to the outside below of footstock (3) and are located three drinking cup (4) respectively directly over.

2. The buoyancy demonstration device for physics teaching according to claim 1, wherein: a water pump (10) is installed on the left side of the outer wall of the top seat (3), one side of the water pump (10) is communicated with the main water pipe (8), and the other side of the water pump (10) is communicated with a connecting pipe (21).

3. The buoyancy demonstration device for physics teaching according to claim 1, wherein: the bottom of cup (4) all communicates has outlet (11) that extends to base (1) inside, and is three the outer wall of outlet (11) all is provided with first drainage valve (12), and is three the outer wall of first drainage valve (12) all is provided with valve switch (13) that extend to terminal surface before base (1) outer wall.

4. The buoyancy demonstration device for physics teaching according to claim 1, wherein: the right side wall of base (1) intercommunication has drain pipe (14), the outer wall of drain pipe (14) is provided with second drain valve (15).

5. The buoyancy demonstration device for physics teaching according to claim 1, wherein: lie in fixedly connected with bin (16) between two pillars (2) in the left side, the inside of bin (16) is provided with the baffle, the up end of baffle runs through recess (17) of seting up a plurality of evenly distributed.

6. The buoyancy demonstration device for physics teaching according to claim 1, wherein: the upper end face of the top seat (3) is fixedly connected with a door-shaped connecting handle (18), and a handle (19) is arranged in the middle of the upper portion of the connecting handle (18).

7. The buoyancy demonstration device for physics teaching according to claim 1, wherein: the bottom of base (1) is provided with a plurality of rubber pads (20).