CN213339291U

CN213339291U - Physical buoyancy experimental device

Info

Publication number: CN213339291U
Application number: CN202022730858.7U
Authority: CN
Inventors: 寻艳芳
Original assignee: Jining Technician College
Current assignee: Jining Technician College
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-01
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a physical buoyancy experimental apparatus mainly relates to physical buoyancy experiment technical field. The utility model provides a physics buoyancy experimental apparatus, includes the bottom plate, the vertical guide bar of bottom plate top surface side-mounting, the cover is equipped with the uide bushing on the guide bar, uide bushing side-mounting panel, mounting panel bottom surface installation spring dynamometer, it has the gravity ball to hang on the spring dynamometer, top surface open-ended first water tank is placed to the bottom plate top surface, place top surface open-ended second water tank in the first water tank. The beneficial effects of the utility model reside in that: the utility model discloses simple structure, convenient operation, the grasp buoyancy experiment that can be convenient for the operator to understand through setting up the puddler, can make the different medium that adds in the second water tank simultaneously, reacts with water fast, changes the density of water, and then can observe the buoyancy without the density medium, and can carry out the buoyancy experiment fast, has improved experimental efficiency, and it is convenient to bring for the experiment of physics buoyancy.

Description

Physical buoyancy experimental device

Technical Field

The utility model relates to a physics buoyancy experiment technical field specifically is a physics buoyancy experimental apparatus.

Background

Buoyancy means the object in fluid includes liquid and gas, each surface receives the difference of fluid and gas pressure, buoyancy is the important chapter in the physics class, in order to let the student master the buoyancy principle better, need carry out experiment operation lecture, more need the student oneself to go to observe the record with one's hands, present buoyancy experimental apparatus, when measuring, the error appears easily, and when measuring the buoyancy in the different density liquid, need add different media in to the liquid, add and need wait for intensive mixing, this has increased the test time, the experimental efficiency is reduced, bring inconvenience for the experiment.

SUMMERY OF THE UTILITY MODEL

For solving prior art's is not enough, the utility model provides a physics buoyancy experimental apparatus, the utility model discloses simple structure, convenient operation, the grasp buoyancy experiment that can be convenient for the operator to know simultaneously through setting up the puddler, can make the different media that add in the second water tank, quick water and water reaction changes the density of water, and then can observe the buoyancy without the density medium, and can carry out the buoyancy experiment fast, has improved experimental efficiency, and it is convenient to bring for the experiment of physics buoyancy.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a physics buoyancy experimental apparatus, includes the bottom plate, the vertical guide bar of bottom plate top surface side-mounting, the cover is equipped with the uide bushing on the guide bar, uide bushing side-mounting panel, the uide bushing opposite side is equipped with adjust knob, mounting panel bottom surface installation spring dynamometer, the last gravity ball that has hung of spring dynamometer, top surface open-ended first water tank is placed to the bottom plate top surface, place top surface open-ended second water tank in the first water tank, second water tank top surface side-mounting diaphragm, the through-hole is seted up to the diaphragm top surface, be equipped with the puddler in the through-hole.

Furthermore, a plurality of stirring plates are respectively arranged on two sides of the bottom end of the stirring rod.

Furthermore, inclined water outlets are arranged at the tops of two sides of the second water tank.

Furthermore, circular baffle is installed to puddler top periphery, the diameter of circular baffle is greater than the diameter of through-hole.

Furthermore, an ellipsoidal rubber handle is arranged at the top of the stirring rod.

Further, a pressure measuring instrument is installed on the top surface of the bottom plate.

Contrast prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, convenient operation, the grasp buoyancy experiment that can be convenient for the operator to understand through setting up the puddler, can make the different medium that adds in the second water tank simultaneously, reacts with water fast, changes the density of water, and then can observe the buoyancy without the density medium, and can carry out the buoyancy experiment fast, has improved experimental efficiency, and it is convenient to bring for the experiment of physics buoyancy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference numerals shown in the drawings: 1. a base plate; 2. a guide bar; 3. a guide sleeve; 4. mounting a plate; 5. a spring force-measuring device; 6. a gravity ball; 7. a first water tank; 8. a second water tank; 9. a transverse plate; 10. a stirring rod; 11. a stirring plate; 12. a water outlet; 13. a circular baffle; 14. a rubber handle; 15. and adjusting a knob.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

As shown in FIG. 1, a physics buoyancy experimental apparatus, comprising a base plate 1, the vertical guide bar 2 of 1 top surface side-mounting of bottom plate, the cover is equipped with uide bushing 3 on the guide bar 2, 3 side-mounting panels 4 of uide bushing, 3 opposite sides of uide bushing are equipped with adjust knob 15, 4 bottom surface installation spring dynamometer 5 of mounting panel, it has gravity ball 6 to hang on the spring dynamometer 5, top surface open-ended first water tank 7 is placed to 1 top surface of bottom plate, place top surface open-ended second water tank 8 in the

first water tank

7, 8 top surface side-mounting diaphragms 9 of second water tank, the through-hole is seted up to diaphragm 9 top surface, be equipped with puddler 10 in the through-hole.

Specifically, a plurality of stirring plates 11 are respectively installed on two sides of the bottom end of the stirring rod 10. The stirring plate 11 increases the stirring area and can improve the stirring effect.

Specifically, the top parts of both sides of the second water tank 8 are provided with inclined water outlets 12. The drain port 12 can drain the water discharged from the second tank 8 into the first tank 7.

Specifically, a circular baffle 13 is installed on the periphery of the top end of the stirring rod 10, and the diameter of the circular baffle 13 is larger than that of the through hole. The circular baffle 13 has a limiting effect on the stirring rod 10, and can ensure that the stirring rod 10 is always positioned in the through hole.

Specifically, an ellipsoidal rubber handle 14 is installed at the top of the stirring rod 10. The rubber handle 14 has elasticity, can avoid the direct contact puddler 10 of operating personnel's hand, has increased operating personnel's hand comfort level.

Specifically, a pressure measuring instrument is installed on the top surface of the bottom plate 1. The pressure measuring instrument can directly measure the weight of the first water tank 7 and the second water tank 8 which are arranged on the pressure measuring instrument, and the measuring accuracy is improved.

Example (b):

when the device is used, firstly, clear water is added into the second water tank 8 until the water surface is flush with the water outlet 12, then the gravity ball 6 is hung on the spring dynamometer 5, the weight of the gravity ball 6 is read, then the adjusting knob 15 is adjusted, the guide sleeve 3 can move downwards along the guide rod 2, the guide sleeve 3 moves to drive the mounting plate 4 to move downwards, the mounting plate 4 moves to enable the gravity ball 6 to move downwards until the gravity ball is totally immersed in the water, at the moment, the data on the spring dynamometer 5 is read, the buoyancy is further obtained, then the second water tank 8 is taken out, the weight of the first water tank 7 is read, the difference value is obtained by subtracting the initial data, the difference value is compared with the buoyancy, when the buoyancy of liquids with different densities needs to be measured, a medium is added into the second water tank 8, then the stirring is carried out through the stirring rod 10, the medium and the water are fully mixed, then the gravity ball 6 is totally immersed in the water again, the, and obtaining buoyancy data for recording.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a physical buoyancy experimental apparatus, includes bottom plate (1), its characterized in that: bottom plate (1) top surface side-mounting vertical guide bar (2), the cover is equipped with uide bushing (3) on guide bar (2), uide bushing (3) side-mounting panel (4), uide bushing (3) opposite side is equipped with adjust knob (15), mounting panel (4) bottom surface installation spring dynamometer (5), it has gravity ball (6) to hang on spring dynamometer (5), top surface open-ended first water tank (7) are placed to bottom plate (1) top surface, place top surface open-ended second water tank (8) in first water tank (7), second water tank (8) top surface side-mounting diaphragm (9), the through-hole is seted up to diaphragm (9) top surface, be equipped with puddler (10) in the through-hole.

2. The physical buoyancy experimental device according to claim 1, wherein: and a plurality of stirring plates (11) are respectively arranged on two sides of the bottom end of the stirring rod (10).

3. The physical buoyancy experimental device according to claim 1, wherein: and inclined water outlets (12) are arranged at the tops of two sides of the second water tank (8).

4. The physical buoyancy experimental device according to claim 1, wherein: circular baffle (13) are installed to puddler (10) top periphery, the diameter of circular baffle (13) is greater than the diameter of through-hole.

5. The physical buoyancy experimental device according to claim 1, wherein: an ellipsoidal rubber handle (14) is arranged at the top of the stirring rod (10).

6. The physical buoyancy experimental device according to claim 1, wherein: and a pressure measuring instrument is arranged on the top surface of the bottom plate (1).