CN212906722U - Buoyancy experimental device for junior middle school physics teaching - Google Patents
Buoyancy experimental device for junior middle school physics teaching Download PDFInfo
- Publication number
- CN212906722U CN212906722U CN202022073977.XU CN202022073977U CN212906722U CN 212906722 U CN212906722 U CN 212906722U CN 202022073977 U CN202022073977 U CN 202022073977U CN 212906722 U CN212906722 U CN 212906722U
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- liquid
- box body
- buoyancy
- thick bamboo
- cylinder
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Abstract
The utility model discloses a buoyancy experimental apparatus is used in junior middle school's physical teaching, including end box body, controller, liquid reserve tank, perpendicular liquid section of thick bamboo, stop sleeve, a lift screw thread section of thick bamboo, elevating screw and top vaulting pole, the top of end box body is installed transversely through the bracing piece column support and is set up the top horizontal pole, the top of top horizontal pole still has the screw axle sleeve through axle sleeve support fixed mounting, the inside of screw axle sleeve is rotated and is installed elevating screw, elevating screw's bottom has connect soon elevating screw thread section of thick bamboo, an elevating screw thread section of thick bamboo is square cylinder, square cylinder's outside cover is equipped with stop sleeve, stop sleeve fixed mounting is to on the top vaulting pole, fixed mounting is gone up to the leading flank of end box body the controller, the top of end box body still is provided with the barrel groove. Has the advantages that: can carry out the proof test to the buoyancy law in the physics teaching, convenient to use, data display is at the display screen, gets some records easily many times.
Description
Technical Field
The utility model relates to a junior middle school physics experimental apparatus field especially relates to a buoyancy experimental apparatus for junior middle school physics teaching.
Background
The physics starts from the years of Galileo and Newton, and becomes a basic science with a plurality of branches, the physics is an experimental science, and is also a science which has strong popularity and attaches importance to logical reasoning, the physics fully uses mathematics as a working language of the physics, the physics teaching course is the most precise natural science subject at present, the physics teaching course can be assumed in the beginning, the laboratory is indispensable in the physics teaching, and the buoyancy law is used as a main knowledge point of the course in the beginning, and a special experimental device is needed for experiments.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a buoyancy experimental apparatus for junior middle school's physical teaching in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a buoyancy experimental device for junior middle school physics teaching comprises a bottom box body, a controller, a liquid storage tank, a vertical liquid cylinder, a limiting sleeve, a lifting thread cylinder, a lifting screw rod and a top supporting rod, wherein the top of the bottom box body is supported and installed with the transversely arranged top cross rod through a supporting rod upright post, the top of the top cross rod is also fixedly installed with a screw rod shaft sleeve through a shaft sleeve support, the lifting screw rod is rotatably installed inside the screw rod shaft sleeve, the bottom of the lifting screw rod is screwed with the lifting thread cylinder, the lifting thread cylinder is a square cylinder, the limiting sleeve is sleeved outside the square cylinder, the limiting sleeve is fixedly installed on the top supporting rod, the controller is fixedly installed on the front side surface of the bottom box body, a cylinder groove is further arranged at the top of the bottom box body, the vertical liquid cylinder is placed in the cylinder groove, and a first pressure sensor is installed at the bottom of the lifting thread cylinder, pressure sensor I has buoyancy to stretch through a plurality of lifting rope hoists and connects the body, buoyancy stretches to connect the body and pegs graft the inside of erecting a liquid section of thick bamboo, the top of erecting a liquid section of thick bamboo still is connected with through the transfer line the liquid reserve tank, install the fluid-discharge tube that sets up to one side down on the lateral wall of erecting a liquid section of thick bamboo, be provided with the cup on the top surface of end box body, the tank bottom of cup is supported through two pressure sensor and is installed the cup, the top of cup is supported and has been placed the measurement cup, the measurement cup sets up under the play end mouth of pipe of fluid-discharge tube.
Further, the internally mounted of end box body has accumulate battery, the top of end box body still supports through display branch and installs the display, display communication connection is to on the controller.
Furthermore, a liquid level sensor is installed on the inner side wall of the vertical liquid cylinder, and the liquid level sensor is flush with the inlet end pipe orifice of the liquid discharge pipe.
Further, the liquid storage tank is fixedly mounted on the bottom box body through a water tank support, and a liquid tank cover is mounted at the top of the liquid storage tank.
Furthermore, a liquid valve is installed on the infusion tube, and the liquid valve, the first pressure sensor and the second pressure sensor are all in communication connection with the controller.
Among the above-mentioned structure, the commentaries on classics through rotating the lifting screw top reciprocates rotating the electronic lift thread section of thick bamboo of lead screw, before the operation, at first control liquid reserve tank carries out flowing back to perpendicular liquid section of thick bamboo, when arranging to level sensor, stops, the rivers that the part spills over can the inflow liquid cup, the record data, then stretch into the body with buoyancy and go deep into a section of thick bamboo in to park the record data and erect the last transparent cylinder body of liquid section of thick bamboo many times, and mark the scale, also the record data behind the surplus liquid discharge inflow liquid cup.
Has the advantages that: junior middle school is buoyancy experimental apparatus for physical teaching can carry out verification test to the buoyancy law in the physical teaching, convenient to use, data display is at the display screen, gets some records easily many times.
Drawings
FIG. 1 is a schematic structural diagram of a buoyancy test device for junior middle school physics teaching.
The reference numerals are explained below:
1. a bottom box body; 2. a controller; 3. a liquid storage tank; 4. a vertical liquid cylinder; 5. a limiting sleeve; 6. a lifting threaded cylinder; 7. lifting a screw rod; 8. a top brace bar; 9. a liquid tank cover; 10. a strut column; 11. a water tank support; 12. a liquid measuring cup; 13. a cup holder; 14. a liquid level sensor; 15. a liquid discharge pipe; 16. a buoyant force extension body; 17. a lifting rope; 18. a display support bar; 19. a display; 20. a liquid valve; 21. a transfusion tube; 22. a shaft sleeve support; 23. the screw shaft sleeve.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, a buoyancy experimental device for junior middle school physics teaching, which consists of a bottom box body 1, a controller 2, a liquid storage tank 3, a vertical liquid cylinder 4, a limiting sleeve 5, a lifting threaded cylinder 6, a lifting screw rod 7 and a top stay bar 8;
the top of the bottom box body 1 is supported and installed with a transversely arranged top cross rod 8 through a support rod upright post 10, the top of the top cross rod 8 is also fixedly installed with a screw shaft sleeve 23 through a shaft sleeve support 22, a lifting screw 7 is rotatably installed inside the screw shaft sleeve 23, the bottom of the lifting screw 7 is screwed with a lifting threaded cylinder 6, the lifting threaded cylinder 6 is a square cylinder, a limiting sleeve 5 is sleeved on the outer side of the square cylinder, and the limiting sleeve 5 is fixedly installed on the top support rod 8;
the front side surface of the bottom box body 1 is fixedly provided with a controller 2, the top of the bottom box body 1 is also provided with a barrel groove, a vertical liquid barrel 4 is placed in the barrel groove, the bottom of the lifting threaded barrel 6 is provided with a first pressure sensor, the first pressure sensor is hoisted with a buoyancy extension body 16 through a plurality of lifting ropes 17, the buoyancy extension body 16 is inserted into the vertical liquid barrel 4, the top of the vertical liquid barrel 4 is also connected with a liquid storage box 3 through a liquid transport pipe 21, and the side wall of the vertical liquid barrel 4 is provided with a liquid discharge pipe 15 which is obliquely arranged downwards;
the top surface of the bottom box body 1 is provided with a cup groove, the bottom of the cup groove is supported by a pressure sensor II and provided with a cup base 13, the top of the cup base 13 is supported by a liquid measuring cup 12, and the liquid measuring cup 12 is arranged under the outlet end pipe orifice of the liquid discharge pipe 15.
In the embodiment, the bottom box body 1 is internally provided with an electric storage battery, the top of the bottom box body 1 is also provided with a display 19 through a display support rod 18 in a supporting way, and the display 19 is communicatively connected to the controller 2.
In this embodiment, a liquid level sensor 14 is installed on the inner side wall of the vertical liquid cylinder 4, and the liquid level sensor 14 is flush with the inlet pipe orifice of the liquid discharge pipe 15.
In this embodiment, the liquid storage tank 3 is fixedly mounted to the bottom case 1 through a water tank support 11, and a liquid tank cover 9 is mounted on the top of the liquid storage tank 3.
In this embodiment, the infusion tube 21 is provided with a liquid valve 20, and the liquid valve 20, the first pressure sensor and the second pressure sensor are all connected with the controller 2 in a communication way.
Among the above-mentioned structure, the commentaries on classics through rotating the lifting screw top reciprocates rotating the electronic lift thread section of thick bamboo of lead screw, before the operation, at first control liquid reserve tank carries out flowing back to perpendicular liquid section of thick bamboo 4, when arranging to level sensor, stops, the rivers that the part spills over can the inflow liquid cup, the record data, then stretch into the body with buoyancy and go deep into a section of thick bamboo in to park the record data perpendicular liquid section of thick bamboo and go up transparent barrel many times, and mark the scale, also record data behind the unnecessary liquid discharge inflow liquid cup.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a buoyancy experimental apparatus for junior middle school physics teaching which characterized in that: the lifting screw thread cylinder is a square cylinder, the limiting sleeve is sleeved outside the square cylinder, the limiting sleeve is fixedly mounted on the top supporting rod, the controller is fixedly mounted on the front side surface of the bottom box body, a cylinder groove is further formed in the top of the bottom box body, the vertical liquid cylinder is placed in the cylinder groove, a first pressure sensor is mounted at the bottom of the lifting screw thread cylinder, and the first pressure sensor is hoisted by a plurality of lifting ropes to form a buoyancy extension body, the buoyancy stretches the connector and pegs graft the inside of erecting the liquid section of thick bamboo, the top of erecting the liquid section of thick bamboo still is connected with through the transfer line the liquid reserve tank, install the fluid-discharge tube that sets up to one side down on the lateral wall of erecting the liquid section of thick bamboo, be provided with the cup groove on the top surface of end box body, the tank bottom in cup groove is supported through two pressure sensor and is installed the cup, the top of cup is supported and is placed the measurement cup, the measurement cup sets up under the play end mouth of pipe of fluid-discharge tube.
2. The buoyancy experimental device for junior middle school physics teaching of claim 1, characterized in that: the internally mounted of end box body has the accumulate battery, the top of end box body still supports through display branch and installs the display, display communication connection is to on the controller.
3. The buoyancy experimental device for junior middle school physics teaching of claim 1, characterized in that: and a liquid level sensor is arranged on the inner side wall of the vertical liquid cylinder, and the liquid level sensor is flush with the inlet end pipe orifice of the liquid discharge pipe.
4. The buoyancy experimental device for junior middle school physics teaching of claim 1, characterized in that: the liquid storage tank is fixedly installed on the bottom box body through a water tank support, and a liquid tank cover is installed at the top of the liquid storage tank.
5. The buoyancy experimental device for junior middle school physics teaching of claim 1, characterized in that: and the infusion tube is provided with a liquid valve, and the liquid valve, the first pressure sensor and the second pressure sensor are all in communication connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022073977.XU CN212906722U (en) | 2020-09-21 | 2020-09-21 | Buoyancy experimental device for junior middle school physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022073977.XU CN212906722U (en) | 2020-09-21 | 2020-09-21 | Buoyancy experimental device for junior middle school physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212906722U true CN212906722U (en) | 2021-04-06 |
Family
ID=75258339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022073977.XU Expired - Fee Related CN212906722U (en) | 2020-09-21 | 2020-09-21 | Buoyancy experimental device for junior middle school physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212906722U (en) |
-
2020
- 2020-09-21 CN CN202022073977.XU patent/CN212906722U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 Termination date: 20210921 |