CN209560817U - A kind of floating power demonstration instrument for physical teaching - Google Patents
A kind of floating power demonstration instrument for physical teaching Download PDFInfo
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- CN209560817U CN209560817U CN201822277523.7U CN201822277523U CN209560817U CN 209560817 U CN209560817 U CN 209560817U CN 201822277523 U CN201822277523 U CN 201822277523U CN 209560817 U CN209560817 U CN 209560817U
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- cup
- kickboard
- fixedly connected
- demonstration instrument
- floating power
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Abstract
The utility model discloses a kind of floating power demonstration instrument for physical teaching, including cup, liquid water is equipped in the cup, the liquid water floating has kickboard, bracing wire is fixedly connected at the lower end center of the kickboard, the other end of the bracing wire is fixedly connected on the bottom in cup, the upper end of the kickboard offers load-bearing slot, clump weight is placed in the load-bearing slot, several drainpipes are uniformly and equidistantly communicated on the side wall of the cup along the vertical direction, the drainpipe is plugged with cork far from one end of cup, and the lower end of the cup is fixedly connected with sucker.The utility model illustrates buoyancy and gravity relationship difference leads to different situations there is a situation where and make observer significantly find out that hydraulic pressure is different under different height, improves the functionality of Buoyancy demonstration instrument.
Description
Technical field
The utility model relates to teaching aid technical field more particularly to a kind of floating power demonstration instrument for physical teaching.
Background technique
In middle school physical curriculum teaching, buoyancy phenomenon is the key content of Physics Course, and teacher usually needs to pass through instrument
Demonstrate its physical phenomenon, existing buoyancy demonstration analyzes its buoyancy and say explanation simply by the wooden unit etc. to floating in water
It is bright, apparent comparison cannot be made to the relationship between buoyancy and gravity, and function is more single.
Utility model content
Purpose of the utility model is to solve Buoyancy demonstration instruments in the prior art cannot be between buoyancy and gravity
Relationship makes apparent comparison, and the problem that function is more single, and a kind of floating power demonstration instrument for physical teaching proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of floating power demonstration instrument for physical teaching, including cup, the cup is interior to be equipped with liquid water, and the liquid water floats
There is kickboard, bracing wire is fixedly connected at the lower end center of the kickboard, the other end of the bracing wire is fixedly connected in cup
Bottom, the upper end of the kickboard offer load-bearing slot, are placed with clump weight in the load-bearing slot.
Preferably, several drainpipes, the row are uniformly and equidistantly communicated on the side wall of the cup along the vertical direction
Water pipe is plugged with cork far from one end of cup.
Preferably, the lower end of the cup is fixedly connected with sucker.
Preferably, it is connected with scale along the vertical direction on the side wall of the cup.
Preferably, the upper end of the clump weight is fixedly connected with drawing handle.
Preferably, the cork is fixedly connected with pulling plate far from one end of cup jointly, the pulling plate far from cork one
End is connected with pull handle jointly.
Compared with prior art, the utility model provides a kind of floating power demonstration instrument for physical teaching, has following beneficial
Effect:
1, the floating power demonstration instrument for physical teaching passes through setting cup, liquid water, kickboard, bracing wire, load-bearing slot and counterweight
Block, when adding liquid water into cup, as liquid water increases in cup, kickboard pulls bracing wire to rise, and Xiang Tongxue are shown
The direction of buoyancy, then clump weight gradually is added into the load-bearing slot of kickboard, so that the gravity that kickboard is born is consequently increased, when
When the gravity that kickboard is born is greater than natural buoyancy, kickboard is sunk in liquid water, and illustrating buoyancy and gravity relationship difference causes
Different situations there is a situation where.
2, the floating power demonstration instrument for physical teaching will be on drainpipe by setting cup, liquid water, drainpipe and cork
Cork simultaneously pull out away, be discharged in the never level drainpipe of the liquid water in cup, different height drainpipe discharge liquid
State water route is also different therewith, so that observer significantly finds out that hydraulic pressure is different under different height.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
It illustrates buoyancy and gravity relationship difference leads to different situations there is a situation where and it is different that observer is significantly found out
Hydraulic pressure is different under height, improves the functionality of Buoyancy demonstration instrument.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of floating power demonstration instrument for physical teaching structural schematic diagram；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
In figure: 1 cup, 2 liquid waters, 3 kickboards, 4 bracing wires, 5 load-bearing slots, 6 clump weights, 7 drainpipes, 8 corks, 9 suckers, 10
Handle, 12 pulling plates, 13 pull handles are drawn in scale, 11.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of floating power demonstration instrument for physical teaching, including cup 1, cup 1 is interior to be equipped with liquid water 2, liquid
The floating of water 2 has kickboard 3, bracing wire 4 is fixedly connected at the lower end center of kickboard 3, the other end of bracing wire 4 is fixedly connected on cup 1
Interior bottom, the upper end of kickboard 3 offer load-bearing slot 5, clump weight 6 are placed in load-bearing slot 5, and liquid water 2 is added into cup 1
When, as liquid water 2 increases in cup 1, kickboard 3 pulls bracing wire 4 to rise, and Xiang Tongxue show the direction of buoyancy, then gradually
Clump weight 6 is added into the load-bearing slot 5 of kickboard 3, so that the gravity that kickboard 3 is born is consequently increased, when the gravity that kickboard 3 is born
When greater than natural buoyancy, kickboard 3 is sunk in liquid water 2, and illustrating buoyancy and gravity relationship difference causes different situations to occur
Situation.
Several drainpipes 7 are uniformly and equidistantly communicated on the side wall of cup 1 along the vertical direction, drainpipe 7 is far from cup 1
One end be plugged with cork 8, by the cork 8 on drainpipe 7 simultaneously pull out away, the never level drainpipe of the liquid water 2 in cup 1
Be discharged in 7, the Retrieval that different height drainpipe 7 is discharged is also different therewith so that observer significantly find out it is different
Hydraulic pressure is different under height.
The lower end of cup 1 is fixedly connected with sucker 9, is inhaled cup 1 on adsorbate by sucker 9, so that cup 1 fastens
Be placed on adsorbate.
Scale 10 is connected on the side wall of cup 1 along the vertical direction, by scale 10 to 2 volume of liquid water in cup 1 into
Row measurement.
The upper end of clump weight 6 is fixedly connected with drawing 11, and 11 convenient drive clump weights 6 are moved synchronously by drawing.
The one end of cork 8 far from cup 1 is fixedly connected with pulling plate 12 jointly, and the one end of pulling plate 12 far from cork 8 connects jointly
It is connected to pull handle 13, drives pulling plate 12 to move simultaneously by pull handle 13, and then cork 8 is driven to be discharged from drainpipe 7 simultaneously.
In the utility model, when adding liquid water 2 into cup 1, as liquid water 2 increases in cup 1, kickboard 3 is drawn
Dynamic bracing wire 4 rises, and Xiang Tongxue show the direction of buoyancy, then clump weight 6 is gradually added into the load-bearing slot 5 of kickboard 3, so that floating
The gravity that plate 3 is born is consequently increased, and when the gravity that kickboard 3 is born is greater than natural buoyancy, kickboard 3 sinks to liquid water 2
In, illustrate buoyancy and gravity relationship difference cause different situations there is a situation where；Cork 8 on drainpipe 7 is pulled out away simultaneously,
Be discharged in the never level drainpipe 7 of liquid water 2 in cup 1, different height drainpipe 7 be discharged Retrieval also with
Difference so that observer significantly finds out that hydraulic pressure is different under different height.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of floating power demonstration instrument for physical teaching, including cup (1), which is characterized in that be equipped with liquid water in the cup (1)
(2), the liquid water (2) is floated and is had kickboard (3), is fixedly connected with bracing wire (4) at the lower end center of the kickboard (3), described
The other end of bracing wire (4) is fixedly connected on the bottom in cup (1), and the upper end of the kickboard (3) offers load-bearing slot (5), institute
It states in load-bearing slot (5) and is placed with clump weight (6).
2. a kind of floating power demonstration instrument for physical teaching according to claim 1, which is characterized in that the side of the cup (1)
Several drainpipes (7), the one end of the drainpipe (7) far from cup (1) are uniformly and equidistantly communicated on wall along the vertical direction
It is plugged with cork (8).
3. a kind of floating power demonstration instrument for physical teaching according to claim 1, which is characterized in that under the cup (1)
End is fixedly connected with sucker (9).
4. a kind of floating power demonstration instrument for physical teaching according to claim 1, which is characterized in that the side of the cup (1)
Scale (10) are connected on wall along the vertical direction.
5. a kind of floating power demonstration instrument for physical teaching according to claim 2, which is characterized in that the clump weight (6)
Upper end is fixedly connected with drawing (11).
6. a kind of floating power demonstration instrument for physical teaching according to claim 2, which is characterized in that the cork (8) is separate
One end of cup (1) is fixedly connected with pulling plate (12) jointly, and the pulling plate (12) is connected with drawing far from the one end of cork (8) jointly
Handle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277523.7U CN209560817U (en) | 2018-12-29 | 2018-12-29 | A kind of floating power demonstration instrument for physical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277523.7U CN209560817U (en) | 2018-12-29 | 2018-12-29 | A kind of floating power demonstration instrument for physical teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560817U true CN209560817U (en) | 2019-10-29 |
Family
ID=68306850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277523.7U Active CN209560817U (en) | 2018-12-29 | 2018-12-29 | A kind of floating power demonstration instrument for physical teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560817U (en) |
-
2018
- 2018-12-29 CN CN201822277523.7U patent/CN209560817U/en active Active
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