CN207302439U - A kind of physics teaching demonstration device - Google Patents
A kind of physics teaching demonstration device Download PDFInfo
- Publication number
- CN207302439U CN207302439U CN201720621128.9U CN201720621128U CN207302439U CN 207302439 U CN207302439 U CN 207302439U CN 201720621128 U CN201720621128 U CN 201720621128U CN 207302439 U CN207302439 U CN 207302439U
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- CN
- China
- Prior art keywords
- babinet
- demonstration
- plate
- base
- physics teaching
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- 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.)
- Expired - Fee Related
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Abstract
A kind of physics teaching demonstration device, include base, demonstrate babinet, glass bar, container and indicator light, demonstrate the inside of babinet, the center of its top plate is equipped with the casing that rubs straight down, the bottom of demonstration babinet is connected with base, the both ends of base are equipped with the adjusting supporting rod corresponded, the top for adjusting supporting rod is provided with connecting plate, the plate body of connecting plate is equipped with and the corresponding bearing of casing that rubs, glass bar is provided with bearing, the both ends of connecting plate bottom surface are equipped with clamping part, the both ends of bottom surface are respectively arranged with touch switch in demonstration box body, touch switch is connected with buffer spring, buffer spring is connected with buffering support plate, demonstration box house is provided with container, the front of base is provided with and the corresponding indicator light of touch switch.A kind of physics teaching demonstration device described in the utility model, design is reasonable, simple in structure, is convenient for carrying, easy to operation, good demonstration effect is visual in image, contributes to students to understand physical law, improves the quality of teaching.
Description
Technical field
It the utility model is related to teaching aid, more particularly to a kind of physics teaching demonstration device.
Background technology
Physics subject has the basic principles such as many theorem laws, and in physics teaching, these theorem laws are more abstract,
Student, there are certain difficulty, understands more difficulty of getting up when receiving.Many laws of physics only have by test introducing,
Export and verification, can just make the understanding of the more deep image of student.In the prior art, physics teaching is used very with teaching aid
Inconvenience, and function is single.Such as：Carry out triboelectrification experiment when, most of teacher be on lectern or glass hold
Some a scrap of papers are put in device, by using coarse cloth, fur etc., rub glass bar, or directly glass bar is rubbed on hair,
Glass bar is produced electrostatic, glass bar is being adsorbed a scrap of paper, so using trouble, teacher close to a scrap of paper, glass bar
It is also not convenient enough to carry, and bandwagon effect is bad, furthermore glass bar, glass container are also easily smashed in test；Or explaining
During free fall law, teachers are that the law is explained by demonstrating " tower of Pisa experiment ", in presentation process, physics
Teacher simply falls the small steel ball of two different qualities in sustained height, allow students observe two iron balls whether and meanwhile fall
Ground, presentation process is not directly perceived enough, less image, student's indigestion, and demonstrate be not easy to small steel ball in operation
Storage, is easily lost.
Utility model content
The purpose of this utility model is that in place of overcome the deficiencies in the prior art, there is provided a kind of physics teaching demonstration device,
It is reasonable that it is designed, simple in structure, is convenient for carrying, easy to operation, good demonstration effect is visual in image, contributes to students to understand thing
Law is managed, is improved the quality of teaching.
A kind of physics teaching demonstration device described in the utility model, includes base, demonstration babinet, glass bar, container
And indicator light, the material of the demonstration babinet is transparent material, demonstrates the inside of babinet, the center of its top plate is provided with
Rub casing straight down, and the friction cannula tip is connected with demonstrating the top plate of babinet, its bottom extends to demonstration babinet
Inside center position on the lower side, be provided with the top plate of the demonstration babinet with the friction corresponding through hole of casing upper shed,
Bristle is provided with the inner wall of friction casing, the bottom for demonstrating babinet is connected with base, and being provided at both ends with for base corresponds
Adjusting supporting rod, described to adjust the telescopic rod that supporting rod is pipe-in-pipe structure, the top for adjusting supporting rod is provided with connection
Plate, be provided with the plate body of connecting plate with the friction corresponding bearing of casing, be provided with glass bar, the glass bar in bearing
Top be pierced by bearing, be connected with crank, its underpart is interspersed in friction casing through the through hole on demonstration roof box,
The glass bar is fixedly connected with the inner wall of bearing, and can be rotated in friction casing, the both ends difference of connecting plate bottom surface
Be provided with clamping part, be provided with the top plate of the demonstration babinet with the corresponding ball-putting hole of clamping part, and in demonstration box body
The both ends of bottom surface are respectively arranged with touch switch, and touch switch is connected with buffer spring, and buffer spring is connected with buffering support plate, drills
Show that the positive lower part of babinet is provided with opening, opening is connected with hermatic door, and the material of the hermatic door is transparent material
Matter, by demonstrating the opening on babinet, is provided with container inside it, and the material of the container is transparent material, in container
Be placed with a scrap of paper, and be placed on buffering support plate, the front of the base be provided with the corresponding indicator light of touch switch,
The indicator light is electrically connected with touch switch.
A kind of physics teaching demonstration device described in the utility model, it is reasonable that it is designed, simple in structure, is convenient for carrying, just
In operation, good demonstration effect is visual in image, contributes to students to understand physical law, improves the quality of teaching.
Brief description of the drawings
Attached drawing 1 is a kind of structure consciousness figure of physics teaching demonstration device described in the utility model.
Attached drawing 2 is a kind of structure diagram of physics teaching salt water installations clamping part described in the utility model.
1-base, 2-static elimination bar, 3-controlling switch 4-adjusting supporting rod 5-demonstration babinet 6-
Rub casing 7-glass bar, 8-connecting plate, 9-crank, 10-clamping part, 11-container, 12-buffering support plate
13-buffer spring, 14-touch switch, 15-drawing box, 16-small ball, 17-indicator light, 18-fixed plate
19-clamp arm, 20-adjustable spring, 21-connecting shaft.
Embodiment
Referring now to attached drawing 1 and attached drawing 2, in conjunction with specific embodiments, it is described as follows：A kind of physics teaching demonstration device, including
There are base 1, demonstration babinet 5, glass bar 7, container 11 and indicator light 17, the material of the demonstration babinet 5 is transparent material, is drilled
Show the inside of babinet 5, the center of its top plate is fixedly installed friction casing 6 straight down, 6 top of friction casing
It is fixedly connected with the top plate for demonstrating babinet 5, its bottom extends to demonstration 5 inside center of babinet position on the lower side, the demonstration
Be provided with and rub the corresponding through hole of 6 upper shed of casing on the top plate of babinet 5, is fixedly installed on the inner wall for the casing 6 that rubs
Bristle, the bottom of demonstration babinet 5 are fixedly connected with base 1, and the both ends of base 1 are fixedly installed the adjusting supporting rod corresponded
4, described adjusts the telescopic rod that supporting rod 4 is pipe-in-pipe structure, and the top for adjusting supporting rod 4 is fixedly installed connecting plate 8, institute
Two stated adjust support plate 4 and are connected as one by connecting plate 8, are provided with the plate body of connecting plate 8 opposite with friction casing 6
The bearing answered, is provided with glass bar 7 in bearing, and the top of the glass bar 7 is pierced by bearing, is fixedly connected with crank 9, under it
Portion is interspersed in friction casing 6 through the through hole on demonstration 5 top plate of babinet, and the glass bar 7 and the inner wall of bearing are fixed
Connection, and can be rotated in friction casing 6, the both ends of 8 bottom surface of connecting plate are respectively arranged with clamping part 10, the demonstration box
Be provided with the top plate of body 5 with 10 corresponding ball hole of clamping part, and demonstrate 5 inner bottom surface of babinet both ends be respectively arranged with it is tactile
Control switch 14, touch switch 14 is fixedly connected with buffer spring 13, and buffer spring 13 is fixedly connected with buffering support plate 12, demonstration box
5 positive lower part of body is provided with opening, and opening is connected with hermatic door, and the material of the hermatic door is transparent material,
By demonstrating the opening on babinet 5, container 11 is provided with inside it, the material of the container 11 is transparent material, container
A scrap of paper is placed with 11, and is placed on buffering support plate 12, the front of the base 1 is provided with corresponding with touch switch 14
Indicator light 17, the indicator light 17 is electrically connected with touch switch 14, and touch switch is connected with power supply by conducting wire.Into
During the experiment of row triboelectrification, hermatic door is opened, the container equipped with a scrap of paper is placed in demonstration box body, close hermatic door,
Crank is rotated, glass bar is rotated in friction casing, rubs with bristle and produce electrostatic, adjusting supporting rod is pressed, by glass bar
It extend into container, a scrap of paper is adsorbed on the glass bar with electrostatic immediately；When needing to demonstrate " tower of Pisa experiment ", open
Hermatic door, takes out container, closes hermatic door, the small ball of different quality is clamped on the holder portion respectively, while unclamp clamping
Portion, makes small ball do the movement of freely falling body, and small ball falls in the slow of demonstration box house through the ball hole on demonstration babinet
Rush on supporting plate, trigger touch switch immediately, indicator light is shinny, observes whether two small balls land at the same time by indicator light.
Further, the clamping part 10 includes fixed plate 18, clamp arm 19, connecting shaft 21 and adjustable spring 20, described
Fixed plate 18 be arranged on the bottom surface of connecting plate 8, connecting shaft 21 is provided with the plate body of fixed plate 18, in the clamp arm 19
Connecting hole is provided with, clamp arm 19 is interspersed in connecting shaft 21 by connecting hole, and can be rotated in connecting shaft 21, described
Clamp arm 19 is two, and in cross-shaped use of working in coordination, the bottom of two clamp arm 19 is both provided with cambered surface collet, described
The concave surface of two cambered surface collets is opposite, and adjustable spring 20 is connected between two clamp arm 19.
Further, one end of the base 1 is provided with storage groove, stores in groove and is provided with drawing box 15, pull
If the different small ball of dry mass is placed with box 15.
Further, the other end of the base 1 is provided with housing groove, and static elimination bar 2 is placed with housing groove,
Controlling switch 3 is provided with base 1, the controlling switch 3 is electrically connected with static elimination bar 2, and controlling switch passes through conducting wire
Power supply is connected with, the side of demonstration babinet 5 is provided with port.After electrostatic pilot demonstration, static elimination side is taken out, opens control
System switch, through the port on demonstration babinet by static elimination bar, is inserted into demonstration box house, eliminates quiet on glass bar
Electricity, a scrap of paper are fallen into container.
Further, the opening of the demonstration babinet 5 is hinged by hinge and hermatic door.
Further, threaded hole is provided with the outer tube for adjusting supporting rod 4, positioning bolt is bolted with threaded hole,
Pass through the position done in positioning bolt secured adjusted supporting rod.
A kind of physics teaching demonstration device described in the utility model, it is reasonable that it is designed, simple in structure, is convenient for carrying, just
In operation, good demonstration effect is visual in image, contributes to students to understand physical law, improves the quality of teaching.
Claims (6)
1. a kind of physics teaching demonstration device, includes base（1）, demonstration babinet（5）, glass bar（7）, container（11）And instruction
Lamp（17）, it is characterised in that：The demonstration babinet（5）Material be transparent material, demonstrate babinet（5）Inside, its top plate
Center be provided with the casing that rubs straight down（6）, the friction casing（6）Top and demonstration babinet（5）Top plate
Connection, its bottom extends to demonstration babinet（5）Inside center position on the lower side, the demonstration babinet（5）Top plate on set
Have and friction casing（6）The corresponding through hole of upper shed, rub casing（6）Inner wall on be provided with bristle, demonstrate babinet（5）'s
Bottom is connected with base（1）, base（1）Be provided at both ends with the adjusting supporting rod corresponded（4）, the adjusting supporting rod
（4）For the telescopic rod of pipe-in-pipe structure, supporting rod is adjusted（4）Top be provided with connecting plate（8）, connecting plate（8）Plate body on
It is provided with and friction casing（6）Corresponding bearing, is provided with glass bar in bearing（7）, the glass bar（7）Top wear
Go out bearing, be connected with crank（9）, its underpart passes through demonstration babinet（5）Through hole on top plate, and it is interspersed in friction casing（6）It is interior,
The glass bar（7）It is fixedly connected with the inner wall of bearing, and can be in friction casing（6）Interior rotation, connecting plate（8）Bottom surface
Both ends are respectively arranged with clamping part（10）, the demonstration babinet（5）Top plate on be provided with and clamping part（10）It is corresponding
Ball-putting hole, and demonstrate babinet（5）The both ends of inner bottom surface are respectively arranged with touch switch（14）, touch switch（14）It is connected with buffering
Spring（13）, buffer spring（13）It is connected with buffering support plate（12）, demonstrate babinet（5）Positive lower part is provided with opening, opening
Place is connected with hermatic door, and the material of the hermatic door is transparent material, by demonstrating babinet（5）On opening, at it
It is internally provided with container（11）, the container（11）Material be transparent material, container（11）A scrap of paper is inside placed with, and is put
Put in buffering support plate（12）On, the base（1）Front be provided with and touch switch（14）Corresponding indicator light（17）, institute
The indicator light stated（17）With touch switch（14）It is electrically connected.
A kind of 2. physics teaching demonstration device according to claim 1, it is characterised in that：The clamping part（10）Including
There is fixed plate（18）, clamp arm（19）, connecting shaft（21）And adjustable spring（20）, the fixed plate（18）It is arranged on connecting plate
（8）Bottom surface on, fixed plate（18）Plate body on be provided with connecting shaft（21）, the clamp arm（19）On be provided with connecting hole,
Clamp arm（19）Connecting shaft is interspersed in by connecting hole（21）On, and can be in connecting shaft（21）Upper rotation, the clamp arm
（19）For two, in cross-shaped use of working in coordination, two clamp arm（19）Bottom be both provided with cambered surface collet, it is described
The concave surface of two cambered surface collets is opposite, two clamp arm（19）Between be connected with adjustable spring（20）.
A kind of 3. physics teaching demonstration device according to claim 1, it is characterised in that：The base（1）One end set
Storage groove is equipped with, stores in groove and is provided with drawing box（15）, drawing box（15）If inside it is placed with the different small steel of dry mass
Ball.
A kind of 4. physics teaching demonstration device according to claim 1, it is characterised in that：The base（1）The other end
Housing groove is provided with, static elimination bar is placed with housing groove（2）, base（1）On be provided with controlling switch（3）, it is described
Controlling switch（3）With static elimination bar（2）It is electrically connected, demonstrates babinet（5）Side be provided with port.
A kind of 5. physics teaching demonstration device according to claim 1, it is characterised in that：The demonstration babinet（5）Open
It is hinged at mouthful by hinge and hermatic door.
A kind of 6. physics teaching demonstration device according to claim 1, it is characterised in that：The adjusting supporting rod（4）'s
Threaded hole is provided with outer tube, positioning bolt is bolted with threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621128.9U CN207302439U (en) | 2017-05-31 | 2017-05-31 | A kind of physics teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621128.9U CN207302439U (en) | 2017-05-31 | 2017-05-31 | A kind of physics teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302439U true CN207302439U (en) | 2018-05-01 |
Family
ID=62449764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621128.9U Expired - Fee Related CN207302439U (en) | 2017-05-31 | 2017-05-31 | A kind of physics teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767675A (en) * | 2019-03-05 | 2019-05-17 | 西京学院 | A kind of physical teaching demonstration device |
-
2017
- 2017-05-31 CN CN201720621128.9U patent/CN207302439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767675A (en) * | 2019-03-05 | 2019-05-17 | 西京学院 | A kind of physical teaching demonstration device |
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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: 20180501 Termination date: 20190531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |