CN211403809U - Experimental device for be used for buoyancy experiment - Google Patents
Experimental device for be used for buoyancy experiment Download PDFInfo
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- CN211403809U CN211403809U CN202020511226.9U CN202020511226U CN211403809U CN 211403809 U CN211403809 U CN 211403809U CN 202020511226 U CN202020511226 U CN 202020511226U CN 211403809 U CN211403809 U CN 211403809U
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- groove
- buoyancy
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- wall
- experiment
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Abstract
The utility model discloses an experimental apparatus for be used for buoyancy to experiment, include: a cover and a base; the bottom edge of closing cap is provided with the fitting ring, the assembly groove has been seted up to the upper surface edge of base, the upper surface of base is provided with the water storage graduated flask that angular structure such as three distributes, the upper surface of holder has been seted up and has been pressed from both sides the groove, and the inner wall that presss from both sides the groove just is located the below of drain pipe and inlays and be equipped with the graduated flask that catchments, the upper surface of base just is located threely the opposite side of water storage graduated flask all is provided with the stores pylon, and the horizontal end outer wall of stores pylon is provided with the couple, and the below of couple has hung the electron tensiometer. The utility model discloses in, this buoyancy experimental apparatus adopts three buoyancy of group to experiment the contrast group, can carry out three different buoyancy experiment operations of group to the buoyancy object through the density size that changes experiment liquid medium and the size of buoyancy object gravity to realize diversified object buoyancy experiment effect.
Description
Technical Field
The utility model relates to a physics experiment teaching aid technical field especially relates to an experimental apparatus for buoyancy is tested.
Background
In the physical teaching process, the teaching of buoyancy is a key point, a test object immersed in liquid floats upwards when the buoyancy borne by the test object is larger than the gravity, the object sinks when the buoyancy borne by the test object is smaller than the gravity borne by the test object, the object is suspended in the liquid or floats on the liquid surface, not only is water, such as all liquids of alcohol, kerosene or mercury, and the like, but also has buoyancy on the object immersed in the test object, all liquids are the same, and in order to enable students to know the knowledge point of the buoyancy more quickly and intuitively, the teaching personnel can use a buoyancy experimental device to carry out experimental teaching.
However, the existing buoyancy experimental device usually adopts a single experimental group to perform experimental operation, so that the experimental device can only change a single experimental variable at a time, and a necessary experimental control group is lacked, thereby being incapable of clearly and intuitively realizing diversified experimental operation effects and reducing the effect of buoyancy experimental teaching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an experimental device for buoyancy experiment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an experimental apparatus for buoyancy experiments, comprising: a cover and a base;
an assembling ring is arranged at the edge of the bottom of the sealing cover;
an assembly groove is formed in the edge of the upper surface of the base;
the seal cover is connected with the base through the embedded clamping connection of the assembling ring and the assembling groove;
the water collecting measuring cup is characterized in that three water storage measuring cups which are distributed in an equiangular structure are arranged on the upper surface of the base, the outer wall of each water storage measuring cup is communicated with a drain pipe with an opening inclined downwards, a clamping seat is arranged on the base, a clamping groove is formed in the upper surface of the clamping seat, and a water collecting measuring cup is embedded in the inner wall of the clamping groove and located below the drain pipe;
the upper surface of the base is provided with hanging racks on the other sides of the three water storage measuring cups, hooks are arranged on the outer walls of the horizontal ends of the hanging racks, and electronic tension meters are hung below the hooks.
As a further description of the above technical solution:
the device also comprises a reserved groove;
the preformed groove is formed in the middle of the upper surface of the sealing cover;
and the inner wall of the preformed groove is provided with a lifting handle, and the height of the upper surface of the lifting handle is lower than the horizontal height of the opening end of the preformed groove.
As a further description of the above technical solution:
four positioning pins with equal-angle structures penetrate through the outer wall of the base and the outer side of the assembling groove;
the outer wall of the assembling ring is provided with four positioning grooves with equal-angle structures;
the assembly groove is connected with the assembly ring through the embedded clamping connection of the positioning pin and the positioning groove.
As a further description of the above technical solution:
an electronic weighing device is arranged in the middle of the horizontal inner wall of the clamping groove and is of a semi-embedded structure.
As a further description of the above technical solution:
the device also comprises a sleeve;
the number of the sleeves is three, and the three sleeves are all arranged on the base and are respectively positioned on the outer sides of the vertical ends of the three hangers;
the inside through thread of sheathed tube has the fastening pin, and the inboard outer wall of fastening pin and the vertical end outer wall frictional contact of stores pylon.
As a further description of the above technical solution:
the device also comprises a limiting groove;
the number of the limiting grooves is three, and the three limiting grooves are annular and are arranged on the upper surface of the base in an equal-angle structure;
the three limiting grooves are in one-to-one corresponding embedded connection with the three water storage measuring cups.
Advantageous effects
The utility model provides an experimental apparatus for be used for buoyancy experiment. The method has the following beneficial effects:
(1): this buoyancy experimental apparatus adopts three buoyancy of group to experiment contrast groups, can carry out three different buoyancy experiment operations of group to the buoyancy object through the density size that changes experiment liquid medium and the size of buoyancy object gravity to realize diversified object buoyancy experimental effect, improved buoyancy experimental apparatus's operation flexibility.
(2): this buoyancy experimental apparatus adopts the assembled equipment mode of assembled, can carry out convenient dismouting operation with closing cap and base to the convenience is carried about the buoyancy experimental apparatus and is used, avoids taking place the unexpected phenomenon of separation that drops of buoyancy experimental apparatus.
Drawings
Fig. 1 is a schematic overall structure diagram of an experimental device for buoyancy experiments according to the present invention;
FIG. 2 is a schematic structural view of the base of the present invention;
fig. 3 is a schematic structural view of the middle hanging rack of the present invention;
fig. 4 is a schematic structural view of the middle clamping seat of the present invention.
Illustration of the drawings:
1. sealing the cover; 2. reserving a groove; 3. lifting the handle; 4. assembling a ring; 5. positioning a groove; 6. a base; 61. a hanger; 611. hooking; 612. an electronic tension meter; 613. a sleeve; 614. a fastening pin; 62. a limiting groove; 63. a water storage measuring cup; 64. a drain pipe; 65. a holder; 651. an electronic weigher; 652. a clamping groove; 66. a water collecting measuring cup; 7. positioning pins; 8. and assembling the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 to 4, an experimental apparatus for buoyancy experiment includes: a cover 1 and a base 6;
an assembling ring 4 is arranged at the bottom edge of the sealing cover 1;
an assembly groove 8 is formed in the edge of the upper surface of the base 6;
the sealing cover 1 is connected with the base 6 through the embedded clamping connection of the assembling ring 4 and the assembling groove 8;
the upper surface of the base 6 is provided with three water storage measuring cups 63 which are distributed in an equiangular structure, the outer wall of each water storage measuring cup 63 is communicated with a drain pipe 64 with an opening inclined downwards, a clamping seat 65 is arranged on the base 6, a clamping groove 652 is formed in the upper surface of the clamping seat 65, and a water collection measuring cup 66 is embedded in the inner wall of the clamping groove 652 and is positioned below the drain pipe 64;
an electronic weigher 651 is arranged in the middle of the horizontal inner wall of the clamping groove 652, and the electronic weigher 651 is of a semi-embedded structure;
the hanging rack 61 is arranged on the upper surface of the base 6 and on the other side of the three water storage measuring cups 63, the hook 611 is arranged on the outer wall of the horizontal end of the hanging rack 61, and the electronic tension meter 612 is hung below the hook 611.
In this embodiment, when the buoyancy test device is used, two liquids with different medium densities are added into the three water-storing measuring cups 63, and two objects with different object gravities are suspended on the three electronic tension meters 612, the initial gravities of the three objects are respectively weighed, then the three objects are respectively and completely immersed into the three water-storing measuring cups 63, the test values on the three electronic tension meters 612 are obtained, at this time, the objects will squeeze the liquid in the water-storing measuring cups 63, so that the liquid enters the drain pipe 64 and flows downwards to enter the water-collecting measuring cup 66 for collection, at this time, the electronic weigher 651 can weigh the liquid gravity in the water-collecting measuring cup 66, and obtain the gravity value of the discharged liquid, at this time, the value on the electronic weigher 651 is the difference between the initial gravity value of the object and the test value, which is the buoyancy of the object completely immersed in the liquid, according to the Archimedes law, the relation between the density of the liquid medium, the gravity of the buoyancy object and the buoyancy of the object completely immersed in the liquid can be obtained through three comparison groups, after the experiment is completed, the assembling ring 4 on the sealing cover 1 is embedded into the assembling groove 8 on the base 6, the buoyancy test device can be hermetically assembled, and the assembly is integrated and is convenient to carry and transport.
The device is characterized by further comprising a reserved groove 2, wherein the reserved groove 2 is formed in the middle of the upper surface of the sealing cover 1, a lifting handle 3 is arranged on the inner wall of the reserved groove 2, and the height of the upper surface of the lifting handle 3 is lower than the horizontal height of the opening end of the reserved groove 2;
the outer wall of the base 6 and the outer side of the assembly groove 8 are provided with four positioning pins 7 with equal angle structures in a penetrating mode, the outer wall of the assembly ring 4 is provided with four positioning grooves 5 with equal angle structures, and the assembly groove 8 is connected with the assembly ring 4 through embedded clamping of the positioning pins 7 and the positioning grooves 5.
In this embodiment, when the assembly ring 4 is embedded into the assembly groove 8, the positioning pin 7 is rotated to be embedded into the positioning groove 5, so as to clamp and fix the sealing cover 1 and the base 6, thereby preventing the sealing cover 1 from falling off when being lifted, and meanwhile, the buoyancy experimental device can be carried about by holding the lifting handle 3.
Still include sleeve pipe 613, the quantity of sleeve pipe 613 is three, and three sleeve pipe 613 all sets up on base 6 and is located the vertical end outside of three stores pylon 61 respectively, and the inside through thread connection of sleeve pipe 613 has fastening pin 614, and the inboard outer wall of fastening pin 614 and the vertical end outer wall frictional contact of stores pylon 61.
In this embodiment, when the height of the buoyant body needs to be changed, the vertical end of the hanger 61 is moved up and down in the sleeve 613, and when the height of the buoyant body is adjusted to a proper height position, the fastening pin 614 is rotated counterclockwise to make the inner side of the fastening pin contact with the vertical end of the hanger 61, so that the hanger 61 is clamped and supported, the position stability of the hanger 61 is ensured, and the state of the buoyant body immersed in water can be changed.
The water storage measuring cup further comprises three limiting grooves 62, the number of the limiting grooves 62 is three, the three limiting grooves 62 are annular and are arranged on the upper surface of the base 6 in an equal-angle structure, and the three limiting grooves 62 are in one-to-one corresponding embedded connection with the three water storage measuring cups 63.
In this embodiment, the position of the water storage measuring cup 63 can be protected by limiting and clamping by the limiting groove 62, so that the phenomenon that the water storage measuring cup 63 rocks randomly when the buoyancy experimental device is carried and transported is avoided, and the phenomenon that the water storage measuring cup 63 collides and contacts with each other to cause damage is avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An experimental apparatus for buoyancy experiments, comprising: a cover (1) and a base (6);
an assembling ring (4) is arranged at the bottom edge of the sealing cover (1);
an assembly groove (8) is formed in the edge of the upper surface of the base (6);
the sealing cover (1) is connected with the base (6) through the embedded clamping connection of the assembling ring (4) and the assembling groove (8);
the water collecting measuring cup is characterized in that three water storage measuring cups (63) which are distributed in an equiangular structure are arranged on the upper surface of the base (6), the outer wall of each water storage measuring cup (63) is communicated with a drain pipe (64) with an opening inclined downwards, a clamping seat (65) is arranged on the base (6), a clamping groove (652) is formed in the upper surface of each clamping seat (65), and a water collecting measuring cup (66) is embedded in the inner wall of each clamping groove (652) and is positioned below the drain pipe (64);
the hanging rack (61) is arranged on the upper surface of the base (6) and on the other side of the three water storage measuring cups (63), a hook (611) is arranged on the outer wall of the horizontal end of the hanging rack (61), and an electronic tension meter (612) is hung below the hook (611).
2. An experimental device for buoyancy experiments according to claim 1, characterized in that it further comprises a pre-groove (2);
the preformed groove (2) is formed in the middle of the upper surface of the sealing cover (1);
the inner wall of the preformed groove (2) is provided with a lifting handle (3), and the height of the upper surface of the lifting handle (3) is lower than the horizontal height of the opening end of the preformed groove (2).
3. The experimental device for the buoyancy experiment is characterized in that four positioning pins (7) with equal angle structures penetrate through the outer wall of the base (6) and the outer side of the assembling groove (8);
the outer wall of the assembling ring (4) is provided with four positioning grooves (5) with equal-angle structures;
the assembly groove (8) is connected with the assembly ring (4) through the embedded clamping connection of the positioning pin (7) and the positioning groove (5).
4. The experimental device for the buoyancy experiment as claimed in claim 1, wherein an electronic weigher (651) is arranged in the middle position of the horizontal inner wall of the clamping groove (652), and the electronic weigher (651) is of a semi-embedded structure.
5. An experimental apparatus for buoyancy experiments according to claim 1, further comprising a casing (613);
the number of the sleeves (613) is three, and the three sleeves (613) are all arranged on the base (6) and are respectively positioned outside the vertical ends of the three hangers (61);
a fastening pin (614) is connected to the inner part of the sleeve (613) in a penetrating manner through threads, and the inner outer wall of the fastening pin (614) is in frictional contact with the outer wall of the vertical end of the hanging rack (61).
6. The experimental device for the buoyancy experiment according to claim 1, further comprising a limiting groove (62);
the number of the limiting grooves (62) is three, and the three limiting grooves (62) are arranged on the upper surface of the base (6) in an annular and equal-angle structure;
the three limiting grooves (62) are in one-to-one corresponding embedded connection with the three water storage measuring cups (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511226.9U CN211403809U (en) | 2020-04-09 | 2020-04-09 | Experimental device for be used for buoyancy experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511226.9U CN211403809U (en) | 2020-04-09 | 2020-04-09 | Experimental device for be used for buoyancy experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211403809U true CN211403809U (en) | 2020-09-01 |
Family
ID=72232036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020511226.9U Expired - Fee Related CN211403809U (en) | 2020-04-09 | 2020-04-09 | Experimental device for be used for buoyancy experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211403809U (en) |
-
2020
- 2020-04-09 CN CN202020511226.9U patent/CN211403809U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |