CN206489797U - A kind of lever principle analogue experiment installation - Google Patents
A kind of lever principle analogue experiment installation Download PDFInfo
- Publication number
- CN206489797U CN206489797U CN201720006620.5U CN201720006620U CN206489797U CN 206489797 U CN206489797 U CN 206489797U CN 201720006620 U CN201720006620 U CN 201720006620U CN 206489797 U CN206489797 U CN 206489797U
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- CN
- China
- Prior art keywords
- counterweight
- cross bar
- slideway
- hanger
- lever principle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of lever principle analogue experiment installation, including cross bar, counterweight hanger and counterweight group, counterweight group includes counterweight one and counterweight two, cross bar side wall is provided with slideway, the slideway inner chamber is provided with sliding block, the sliding block is connected to one end of counterweight hanger, the other end of the counterweight hanger is connected with counterweight group, the counterweight one is connected to one end of the left side counterweight hanger of cross bar, the counterweight two is connected to one end of the right side counterweight hanger of cross bar, the slideway lower end is provided with spacing handle, contiguous block is provided with the middle of the cross bar bottom, the contiguous block is rotatably connected in connecting pole by bolt, the slip that counterweight may be implemented on cross bar by the connection with sliding block adjusts the effect of the arm of force to reach, contiguous block and being hinged for connecting pole can reach that experiment needs effect by the weight of left and right counterweight simultaneously, generally speaking, the utility model is convenient and practical, it is adapted to promote.
Description
Technical field
The utility model is related to physics teaching experimental technique field, specially a kind of lever principle analogue experiment installation.
Background technology
In the experiment of daily physics teaching, lever is one of important principle in physics, in physics teaching, demonstrates lever
Principle can allow the more vivid understanding lever rule of student, at present, and teacher is using letter when doing the experiment of lever principle,
Easy instrument is simulated, and teacher can not accurately load the quality at lever two ends, can not be accurately positioned position of the fulcrum, can only be with
Lever principle simulation is carried out by means of experience and feel, extremely abstract, easy teaching aid brings many inconvenience to experiment, influences
Teaching efficiency.
Utility model content
The purpose of this utility model is to provide a kind of lever principle analogue experiment installation, to solve easy teaching aid
The problems such as many inconvenience, influence teaching efficiency being brought to experiment.
To achieve the above object, the utility model provides following technical scheme：A kind of lever principle analogue experiment installation, bag
Cross bar, counterweight hanger and counterweight group are included, counterweight group includes counterweight one and counterweight two, and cross bar side wall is provided with slideway, the cunning
Road inner chamber is provided with sliding block, and the sliding block is connected to one end of counterweight hanger, and the other end of the counterweight hanger is connected with counterweight group,
The counterweight one is connected to one end of the left side counterweight hanger of cross bar, and the counterweight two is connected to the right side counterweight hanger of cross bar
One end, the slideway lower end is provided with the middle of spacing handle, the cross bar bottom and is provided with contiguous block, and the contiguous block is spun by bolt
In connecting pole, the connecting pole is plugged in base by card column.
It is preferred that, the sliding block and spacing handle are in approximately the same plane, and sliding block is provided with neck, and spacing handle is provided with card
Block, neck and fixture block match snapping.
It is preferred that, the spacing handle is that " L " type includes horizon bar and vertical bar, and spacing handle is linearly distributed in cross bar bottom
End, when horizon bar rotates 90 degree in vertical bar position, when vertical bar rotates 90 degree perpendicular to cross bar, fixture block is caught in neck.
It is preferred that, the spacing handle is rotatably connected in cross bar bottom by rivet.
It is preferred that, the slideway is that strip is square, and slideway is located at cross bar a quarter bottom position.
Compared with prior art, the beneficial effects of the utility model are：A kind of lever principle simulation of the utility model structure
Experimental provision, including cross bar, counterweight hanger, counterweight one and counterweight two, wherein cross bar bottom offer slideway, and there is cunning slideway inner chamber
Block, the slip that counterweight may be implemented on cross bar by the connection with sliding block with reach regulation the arm of force effect, while contiguous block with
Being hinged for connecting pole can reach that experiment needs effect by the weight of left and right counterweight, and the clamping of connecting rod and card column can realize thick stick again
The dismounting effect of bar instrument.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model slideway structure schematic diagram.
In figure：1 cross bar, 2 counterweight hangers, 3 counterweights one, 4 spacing handles, 5 contiguous blocks, 6 bolts, 7, sliding block, 8 slideways, 9 counterweights
2nd, 10 connecting poles, 11 bases, 12 card columns.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely retouch, it is clear that the embodiment retouched is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art obtained under the premise of creative work is not made has
Other embodiment, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of lever principle analogue experiment installation, including
Cross bar 1, counterweight hanger 2 and counterweight group, counterweight group include counterweight 1 and counterweight 29, and the side wall of cross bar 1 is provided with slideway 8, and slideway 8 is
Strip is square, and slideway 8 is located at a quarter bottom position of cross bar 1, and the inner chamber of slideway 8 is provided with sliding block 7, and sliding block 7 is connected to counterweight
The one of hanger 2
End, the other end of counterweight hanger 2 is connected with counterweight group, and counterweight 1 is connected to the left side counterweight hanger 2 of cross bar 1
One end, counterweight 29 is connected to one end of the right side counterweight hanger 2 of cross bar 1, and the lower end of slideway 8 is provided with spacing handle 4, and spacing handle 4 passes through
Rivet, which is rotatably connected in the middle of the bottom of cross bar 1, the bottom of cross bar 1, is provided with contiguous block 5, and contiguous block 5 is rotatably connected in connecting pole 10 by bolt 6,
Connecting pole 10 is plugged in base 11 by card column 12, and contiguous block and being hinged for connecting pole can reach reality by the weight of left and right counterweight
Testing needs effect, and the clamping of connecting rod 10 and card column 12 can realize the dismounting effect of lever instrument again, and sliding block 7 exists with spacing handle 4
In approximately the same plane, and sliding block 7 is provided with neck, and spacing handle 4 is provided with fixture block, and neck and fixture block match snapping, spacing handle 4
Include horizon bar and vertical bar for " L " type, and spacing handle 4 is linearly distributed in the bottom of cross bar 1, when horizon bar rotates 90 degree in perpendicular
Straight-bar position, when vertical bar rotates 90 degree perpendicular to cross bar 1, fixture block is caught in neck, and the bottom of cross bar 1 offers slideway 8, slideway 8
There is sliding block 7 inner chamber, and the slip that counterweight group may be implemented on cross bar 1 by the connection with sliding block 7 adjusts the effect of the arm of force to reach.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of lever principle analogue experiment installation, including cross bar (1), counterweight hanger (2) and counterweight group, counterweight group include counterweight
One (3) and counterweight two (9), it is characterised in that：Cross bar (1) side wall is provided with slideway (8), and slideway (8) inner chamber is provided with cunning
Block (7), the sliding block (7) is connected to one end of counterweight hanger (2), and the other end of the counterweight hanger (2) is connected with counterweight group,
The counterweight one (3) is connected to one end of the left side counterweight hanger (2) of cross bar (1), and the counterweight two (9) is connected to cross bar (1)
Right side counterweight hanger (2) one end, slideway (8) lower end is provided with the middle of spacing handle (4), cross bar (1) bottom and is provided with
Contiguous block (5), the contiguous block (5) is rotatably connected in connecting pole (10) by bolt (6), and the connecting pole (10) passes through card column (12)
It is plugged in base (11).
2. a kind of lever principle analogue experiment installation according to claim 1, it is characterised in that：The sliding block (7) and limit
Position handle (4) is in approximately the same plane, and sliding block (7) is provided with neck, and spacing handle (4) is provided with fixture block, neck and fixture block phase
With snapping.
3. a kind of lever principle analogue experiment installation according to claim 1 or 2, it is characterised in that：The spacing handle (4)
Include horizon bar and vertical bar for " L " type, and spacing handle (4) is linearly distributed in cross bar (1) bottom, when horizon bar rotates 90 degree
In vertical bar position, when vertical bar rotates 90 degree perpendicular to cross bar (1), fixture block is caught in neck.
4. a kind of lever principle analogue experiment installation according to claim 1, it is characterised in that：The spacing handle (4) is led to
Cross rivet and be rotatably connected in cross bar (1) bottom.
5. a kind of lever principle analogue experiment installation according to claim 1, it is characterised in that：The slideway (8) is bar
Shape is square, and slideway (8) is located at cross bar (1) a quarter bottom position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006620.5U CN206489797U (en) | 2017-01-04 | 2017-01-04 | A kind of lever principle analogue experiment installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006620.5U CN206489797U (en) | 2017-01-04 | 2017-01-04 | A kind of lever principle analogue experiment installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489797U true CN206489797U (en) | 2017-09-12 |
Family
ID=59770350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006620.5U Expired - Fee Related CN206489797U (en) | 2017-01-04 | 2017-01-04 | A kind of lever principle analogue experiment installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206489797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470498A (en) * | 2018-06-20 | 2018-08-31 | 杨毅 | A kind of physical teaching aid |
| CN112229486A (en) * | 2020-09-14 | 2021-01-15 | 安徽双轮酒业有限责任公司 | Lees processing apparatus |
-
2017
- 2017-01-04 CN CN201720006620.5U patent/CN206489797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470498A (en) * | 2018-06-20 | 2018-08-31 | 杨毅 | A kind of physical teaching aid |
| CN112229486A (en) * | 2020-09-14 | 2021-01-15 | 安徽双轮酒业有限责任公司 | Lees processing apparatus |
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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: 20170912 Termination date: 20190104 |