CN207991665U - A kind of junior middle school physics teaching device - Google Patents
A kind of junior middle school physics teaching device Download PDFInfo
- Publication number
- CN207991665U CN207991665U CN201820496854.7U CN201820496854U CN207991665U CN 207991665 U CN207991665 U CN 207991665U CN 201820496854 U CN201820496854 U CN 201820496854U CN 207991665 U CN207991665 U CN 207991665U
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- side wall
- end side
- fixedly connected
- plate
- round bar
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Abstract
The utility model discloses a kind of junior middle school physics teaching devices, including shell, the upper end side wall of the shell is equipped with limiting groove, the interior bottom of the limiting groove is equipped with support plate vertically, the upper end side wall of the support plate is rotatably connected to level board, the upper end sidewalls vertical of the level board is equipped with demarcation strip, the upper end side wall of the level board is fixedly connected with electronic scale, the upper end side wall of the electronic scale is fixedly connected with stressed plate, the madial wall level of the limiting groove is equipped with transverse slat, the upper end side wall of the transverse slat is fixedly connected with U-board, the side wall of the U-board, which runs through, is equipped with threaded rod, the sidewall thread of the threaded rod and U-board connects, the side wall of the transverse slat, which runs through, is equipped with round bar, the round bar is slidably connected with transverse slat, the round bar lower end is rotatably connected to supporting block.The structure design of the utility model is reasonable, is capable of providing a kind of simple weighing device, to improve the efficiency of teaching of teacher.
Description
Technical field
The utility model is related to physics teaching technical field more particularly to a kind of junior middle school physics teaching devices.
Background technology
Physics is to study the subject of the motion of matter most typically rule and substance basic structure.As taking the lead for natural science
Subject, physics research become greatly to universe, as low as all substances such as elementary particle most basic forms of motion and rule
The Research foundation of other each natural branch of science.Its theoretical construct makes full use of mathematics as the working language of oneself, with
It tests as the sole criterion for examining theoretical correctness, it is a current most accurate natural science subject, in junior physics
During teaching, need to use special teaching equipment, can improve interest of the student in study in this way, for example, about
In the teaching process of mass of object, need to use special balance unit, but since traditional balance unit operation is more numerous
It is trivial, cause presentation process more very long, we devise a kind of junior middle school physics teaching device to solve problem above thus.
Utility model content
Purpose of the utility model is to solve existing balance equipment operation is relatively complicated, and a kind of junior middle school proposed
Physics teaching device is capable of providing a kind of simple weighing device, to improve the efficiency of teaching of teacher.
To achieve the goals above, the utility model uses following technical solution：
The upper end side wall of a kind of junior middle school physics teaching device, including shell, the shell is equipped with limiting groove, the limit
The interior bottom of groove is equipped with support plate vertically, and the upper end side wall of the support plate is rotatably connected to level board, the level board
Upper end sidewalls vertical is equipped with demarcation strip, and the upper end side wall of the level board is fixedly connected with electronic scale, the upper end of the electronic scale
Side wall is fixedly connected with stressed plate, and the madial wall level of the limiting groove is equipped with transverse slat, and the upper end side wall of the transverse slat is fixed
It is connected with U-board, the side wall of the U-board, which runs through, is equipped with threaded rod, and the sidewall thread of the threaded rod and U-board connects, institute
The side wall for stating transverse slat runs through equipped with round bar, and the round bar is slidably connected with transverse slat, and the round bar lower end is rotatably connected to supporting block,
The bottom sidewall of the supporting block and the upper end side wall of stressed plate offset, and the round bar is internally threaded chamber, the screw thread
The lower end of bar is run through the upper end side wall of round bar and is threadedly coupled with thread cavity, and the upper end side wall of the level board is fixedly connected with Sheng
Plate is put, the upper end side wall for holding plate is equipped with placing groove, the first placement plate, first placement plate are equipped in the placing groove
Upper end side wall be fixedly connected with the second placement plate, connected between bottom in the bottom sidewall and placing groove of first placement plate
There are multiple first springs, the interior bottom of the limiting groove to be equipped with montant vertically, the upper end side wall of the montant is fixedly connected with
Goniometer.
Preferably, the interior bottom of the placing groove is set vertically there are two gag lever post, and two gag lever posts run through first
The side wall of placement plate is simultaneously connect with its side walls.
Preferably, the interior bottom symmetrical of the placing groove is set there are two limiting plate, the upper end side wall of two limiting plates
It is equipped with sliding groove, sliding shoe is slidably connected in two sliding grooves, the upper end side wall of two sliding shoes turns
Dynamic to be connected with buffer bar, the bottom sidewall of first placement plate is fixedly connected with link block, and two buffer bars are far from sliding
One end of motion block is rotatablely connected with the side wall of link block.
Preferably, multiple second springs are connected between the opposite side wall of two sliding shoes.
Preferably, the bottom sidewall of the shell is equipped with multiple support supports blocks, the bottom sidewall of multiple support supports blocks
It is equipped with anti-skid chequer.
Preferably, the both ends side wall of the shell is equipped with lifting block.
In the utility model, it would be desirable to which the article weighed is placed in the second placement plate, and the second placement plate can drive first
Placement plate declines, and under the action of multiple first springs, can ensure that the first placement plate and the second placement plate have certain delay
Effect is rushed, ensures that the stability for placing article can improve first and put under the action of buffer bar, sliding shoe and second spring
The buffering effect of plate and the second placement plate is set, and has the limit effect there are two gag lever post, ensures the first placement plate and second
Placement plate, which can only be vertically moved up or down, to be deviated, and after placement article, which is placed, to be stablized, threaded rod be rotated, in the effect of threaded rod
Under, round bar can be driven to rotate, since round bar and transverse slat are slidably connected, to ensure that round bar can vertically decline, under round bar
During drop, supporting block can be driven to decline and the upper end side wall of itself and stressed plate is made to offset, threaded rod is rotated further, makes it
Stressed plate, electronic scale and level board is driven to move down, under the action of goniometer, capable of observing level board, whether holding is horizontal, when
When level board keeps horizontal, the data on electronic scale, quality of as weighing are observed.The structure design of the utility model is reasonable, can
A kind of simple weighing device is provided, to improve the efficiency of teaching of teacher.
Description of the drawings
Fig. 1 be the utility model proposes a kind of junior middle school physics teaching device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of junior middle school physics teaching device A at schematic enlarged-scale view.
In figure：1 shell, 2 transverse slats, 3 lifting blocks, 4 support plates, 5 montants, 6 goniometers, 7 level boards, 8 electronic scales, 9 stress
Plate, 10 sliding shoes, 11 supporting blocks, 12 buffer bars, 13 limiting plates, 14 demarcation strips, 15 hold plate, 16 round bars, 17U shapes plate, 18 spiral shells
Rasp bar, 19 gag lever posts, 20 second placement plates, 21 link blocks, 22 first placement plates.
Specific implementation mode
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.
Referring to Fig.1-2, the upper end side wall of a kind of junior middle school physics teaching device, including shell 1, shell 1 is equipped with limiting groove,
The interior bottom of limiting groove is equipped with support plate 4 vertically, and the upper end side wall of support plate 4 is rotatably connected to level board 7, level board 7
Upper end sidewalls vertical is equipped with demarcation strip 14, and the upper end side wall of level board 7 is fixedly connected with electronic scale 8, the upper end side wall of electronic scale 8
It is fixedly connected with stressed plate 9, the madial wall level of limiting groove is equipped with transverse slat 2, and the upper end side wall of transverse slat 2 is fixedly connected with U-shaped
Plate 17, the side wall of U-board 17, which runs through, is equipped with threaded rod 18, and threaded rod 18 is connect with the sidewall thread of U-board 17, the side of transverse slat 2
Wall, which runs through, is equipped with round bar 16, and round bar 16 is slidably connected with transverse slat 2, and 16 lower end of round bar is rotatably connected to supporting block 11, supporting block 11
Bottom sidewall and the upper end side wall of stressed plate 9 offset, round bar 16 is internally threaded chamber, and the lower end of threaded rod 18 is through circle
The upper end side wall of bar 16 is simultaneously threadedly coupled with thread cavity, and the upper end side wall of level board 7, which is fixedly connected with, holds plate 15, holds plate 15
Upper end side wall be equipped with placing groove, the first placement plate 22 is equipped in placing groove, the upper end side wall of the first placement plate 22 is fixedly connected
There is the second placement plate 20, multiple first springs are connected between bottom in the bottom sidewall and placing groove of the first placement plate 20, limits
The interior bottom of position groove is equipped with montant 5 vertically, and the upper end side wall of montant 5 is fixedly connected with goniometer 6, rotates threaded rod 18,
Under the action of threaded rod 18, round bar 16 can be driven to rotate, since round bar 16 and transverse slat 2 are slidably connected, to ensure round bar 16
It can vertically decline, during round bar 16 declines, supporting block 11 can be driven to decline and make the upper end side of itself and stressed plate 9
Wall offsets, and is rotated further threaded rod 18, makes it that stressed plate 9, electronic scale 8 and level board 7 be driven to move down, in the effect of goniometer 6
Under, capable of observing level board 7, whether holding is horizontal, when level board 7 keeps level, observes the data on electronic scale 8, as claims
Heavy amount.
In the utility model, the interior bottom of placing groove is set vertically there are two gag lever post 19, and two gag lever posts 19 run through the
The side wall of one placement plate 22 is simultaneously connect with its side walls, and the interior bottom symmetrical of placing groove is set there are two limiting plate 13, and two limit
The upper end side wall of position plate 13 is equipped with sliding groove, slidably connects sliding shoe 10 in two sliding grooves, two sliding shoes 10
Upper end side wall is rotatably connected to buffer bar 12, and the bottom sidewall of the first placement plate 22 is fixedly connected with link block 21, and two slow
The one end of jumper bar 12 far from sliding shoe 10 is rotatablely connected with the side wall of link block 21, between the opposite side wall of two sliding shoes 10
Multiple second springs are connected with, the bottom sidewall of shell 1 is equipped with multiple support supports blocks, and the bottom sidewall of multiple support supports blocks is all provided with
There are anti-skid chequer, the both ends side wall of shell 1 to be equipped with lifting block 3.
In the utility model, it would be desirable to which the article weighed is placed in the second placement plate 20, and the second placement plate 20 can drive
First placement plate 22 declines, and under the action of multiple first springs, can ensure the first placement plate 22 and the second placement plate 20 tool
There is certain buffering effect, ensures the stability for placing article, under the action of buffer bar 12, sliding shoe 10 and second spring,
The buffering effect of the first placement plate 22 and the second placement plate 20 can be improved, and has the limit effect there are two gag lever post 19,
Ensure that the first placement plate 22 and the second placement plate 20 can only be vertically moved up or down and will not deviate, after placement article, which is placed, to be stablized, turns
Dynamic threaded rod 18 can drive round bar 16 to rotate under the action of threaded rod 18, since round bar 16 and transverse slat 2 are slidably connected, from
And ensure that round bar 16 can vertically decline, during round bar 16 declines, can drive supporting block 11 decline and make its with by
The upper end side wall of power plate 9 offsets, and is rotated further threaded rod 18, makes it that stressed plate 9, electronic scale 8 and level board 7 be driven to move down,
Under the action of goniometer 6, capable of observing level board 7, whether holding is horizontal, when level board 7 keeps level, observes on electronic scale 8
Data, quality of as weighing.
More than, the only preferable specific implementation mode of the utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of junior middle school physics teaching device, including shell (1), which is characterized in that the upper end side wall of the shell (1) is equipped with limit
The interior bottom of position groove, the limiting groove is equipped with support plate (4), the upper end side wall rotation connection of the support plate (4) vertically
There are level board (7), the upper end sidewalls vertical of the level board (7) to be equipped with demarcation strip (14), the upper end side wall of the level board (7)
It is fixedly connected with electronic scale (8), the upper end side wall of the electronic scale (8) is fixedly connected with stressed plate (9), the limiting groove
Madial wall level is equipped with transverse slat (2), and the upper end side wall of the transverse slat (2) is fixedly connected with U-board (17), the U-board (17)
Side wall run through and be equipped with threaded rod (18), the threaded rod (18) connect with the sidewall thread of U-board (17), the transverse slat (2)
Side wall run through and be equipped with round bar (16), the round bar (16) is slidably connected with transverse slat (2), and round bar (16) lower end is rotatablely connected
There are supporting block (11), the bottom sidewall and the upper end side wall of stressed plate (9) of the supporting block (11) to offset, the round bar (16)
It is internally threaded chamber, the lower end of the threaded rod (18) is run through the upper end side wall of round bar (16) and is threadedly coupled with thread cavity,
The upper end side wall of the level board (7), which is fixedly connected with, holds plate (15), and the upper end side wall for holding plate (15), which is equipped with, to be placed
Slot, the placing groove is interior to be equipped with the first placement plate (22), and the upper end side wall of first placement plate (22) is fixedly connected with second
Placement plate (20) is connected with multiple first springs in the bottom sidewall and placing groove of first placement plate (22) between bottom,
The interior bottom of the limiting groove is equipped with montant (5) vertically, and the upper end side wall of the montant (5) is fixedly connected with goniometer (6).
2. a kind of junior middle school physics teaching device according to claim 1, which is characterized in that the interior bottom of the placing groove is perpendicular
Straight to set there are two gag lever post (19), two gag lever posts (19) are run through the side wall of the first placement plate (22) and are slided with its side wall
Dynamic connection.
3. a kind of junior middle school physics teaching device according to claim 1, which is characterized in that the interior bottom pair of the placing groove
Title is set there are two limiting plate (13), and the upper end side wall of two limiting plates (13) is equipped with sliding groove, two sliding grooves
Sliding shoe (10) is inside slidably connected, the upper end side wall of two sliding shoes (10) is rotatably connected to buffer bar (12),
The bottom sidewall of first placement plate (22) is fixedly connected with link block (21), and two buffer bars (12) are far from sliding shoe
(10) one end is rotatablely connected with the side wall of link block (21).
4. a kind of junior middle school physics teaching device according to claim 3, which is characterized in that two sliding shoe (10) phases
To side wall between be connected with multiple second springs.
5. a kind of junior middle school physics teaching device according to claim 1, which is characterized in that the bottom side of the shell (1)
Wall is equipped with multiple support supports blocks, and the bottom sidewall of multiple support supports blocks is equipped with anti-skid chequer.
6. a kind of junior middle school physics teaching device according to claim 1, which is characterized in that two end sides of the shell (1)
Wall is equipped with lifting block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496854.7U CN207991665U (en) | 2018-04-10 | 2018-04-10 | A kind of junior middle school physics teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496854.7U CN207991665U (en) | 2018-04-10 | 2018-04-10 | A kind of junior middle school physics teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991665U true CN207991665U (en) | 2018-10-19 |
Family
ID=63830832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820496854.7U Expired - Fee Related CN207991665U (en) | 2018-04-10 | 2018-04-10 | A kind of junior middle school physics teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207991665U (en) |
-
2018
- 2018-04-10 CN CN201820496854.7U patent/CN207991665U/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 |
Granted publication date: 20181019 Termination date: 20190410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |