CN204946436U - A kind of physical teaching aid - Google Patents
A kind of physical teaching aid Download PDFInfo
- Publication number
- CN204946436U CN204946436U CN201520556919.9U CN201520556919U CN204946436U CN 204946436 U CN204946436 U CN 204946436U CN 201520556919 U CN201520556919 U CN 201520556919U CN 204946436 U CN204946436 U CN 204946436U
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- China
- Prior art keywords
- glass tube
- screw thread
- shaped
- arc
- tube
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Abstract
The utility model belongs to teaching aid field, be specifically related to a kind of physical teaching aid, comprise base, arc-shaped bracket and strap, arc-shaped bracket is fixed on base, arc-shaped bracket is provided with deep-slotted chip breaker, and arc-shaped bracket top is provided with U-shaped glass tube, is provided with removable demonstration tube in U-shaped glass tube, the two ends of U-shaped glass tube are provided with screw thread silk head, and U-shaped glass tube is marked with scale mark and center line; U-shaped glass tube top is connected with glass tube with screw thread by screw thread silk head, and glass tube is provided with screw thread silk head, screw thread and scale mark, is provided with seal gasket bottom screw thread; Described removable demonstration tube comprises transparent glass tube, LED and sealing rubber plug, and LED is positioned at transparent glass tube inside, and transparent glass tube two ends are glued together by adhesive and sealing rubber plug.Structure of the present utility model is simple, and reasonable in design, easy and simple to handle, good demonstration effect, with low cost, safe and reliable being easy to is promoted on a large scale and used.
Description
technical field:
The utility model belongs to teaching aid field, is specifically related to a kind of physical teaching aid.
background technology:
In physics teaching, pressure is a very important and abstract concept, but, Physical Education Teacher is when lecturing the concept of this respect, just carry out written vival voice to carry out explaining or diagrammatically explaining on blackboard, student can not see the device of demonstration veritably, say nothing of the relation of going intuitively to understand between liquid pressure and the degree of depth and fluid density, and allow student faster understand and master relevant knowledge be nothing but the common teaching purpose of each teacher, so how remove to demonstrate the Changing Pattern between liquid pressure and the degree of depth and fluid density with teaching aid, the mode of imparting knowledge to students by experiment allows student go intuitively to observe and then grasp the trend place that knowledge is teaching at present fast.A lot of about the teaching aid of liquid internal pressure at present, but it is obvious to lack a kind of demonstrating effect, structure is simple, cost of manufacture is cheap, the teaching aid of the Changing Pattern between liquid pressure and the degree of depth and fluid density can be reflected, cause physical teaching course uninteresting, seriously have impact on enthusiasm and the quality of instruction of Students ' Learning.
utility model content:
The utility model makes up and improves above-mentioned the deficiencies in the prior art part, provide that a kind of structure is simple, reasonable in design, easy and simple to handle, good demonstration effect, with low cost, safe and reliable a kind of physical teaching aid, can promote on a large scale in school and use.
The technical solution adopted in the utility model is: a kind of physical teaching aid, comprise base, arc-shaped bracket and strap, arc-shaped bracket is fixed on base, arc-shaped bracket is provided with deep-slotted chip breaker, arc-shaped bracket top is provided with U-shaped glass tube, be provided with removable demonstration tube in U-shaped glass tube, the two ends of U-shaped glass tube are provided with screw thread silk head, and U-shaped glass tube is marked with scale mark and center line; U-shaped glass tube top is connected with glass tube with screw thread by screw thread silk head, and glass tube is provided with screw thread silk head, screw thread and scale mark, is provided with seal gasket bottom screw thread; Described removable demonstration tube comprises transparent glass tube, LED and sealing rubber plug, and LED is positioned at transparent glass tube inside, and transparent glass tube two ends are glued together by adhesive and sealing rubber plug.
Described glass tube length is 1 meter, and glass tube, for use in groups, is often organized quantity and is no less than 4.
Described arc-shaped bracket uses elastomeric material to make.
Described LED is powered by button cell, and can send ruddiness.
The beneficial effects of the utility model: structure is simple, and reasonable in design, easy and simple to handle, good demonstration effect, with low cost, safe and reliable being easy to is promoted on a large scale and used.Its major advantage is as follows:
1) the different liquid of the density liquid identical with density can be injected in the pipe of, described U-shaped glass tube both sides, can demonstrate on the one hand the liquid column of highly identical different densities produce the contrast of pressure size, can demonstrate on the other hand the different liquid column of density phase co-altitude produce the contrast of pressure size, under also can demonstrating identical pressure, the liquid column difference in height of different densities liquid, structure is simple, reasonable in design, easy and simple to handle, with low cost.
2), the design of described removable demonstration tube, when U-shaped glass tube two side pipe internal memory is at pressure difference, the direction little to pressure is moved by removable demonstration tube, sealing rubber plug plays the effect of excellent sealing, and LED can send ruddiness, facilitate observation of students demonstrating effect, reasonable in design, demonstrating effect is obvious.
3) the screw thread silk head, on the screw thread silk head at described U-shaped glass tube top and glass tube and the design of screw thread, convenient and swiftly can connect, experimentally can need the height increasing liquid column, and seal gasket can avoid liquid leakage; Described scale mark and center line can facilitate the height of experimenter's recording liquid post and observe the movement of removable demonstration tube, reasonable in design, simple to operate, economic and practical.
accompanying drawing illustrates:
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of U-shaped glass tube in the utility model.
Fig. 3 is the structural representation of removable demonstration tube in the utility model.
Fig. 4 is the structural representation of glass tube in the utility model.
Fig. 5 is the structural representation of arc-shaped bracket in the utility model.
embodiment:
With reference to each figure, a kind of physical teaching aid, comprise base 6, arc-shaped bracket 4 and strap 3, arc-shaped bracket 4 is fixed on base 6, arc-shaped bracket 4 is provided with deep-slotted chip breaker 401, and arc-shaped bracket 4 top is provided with U-shaped glass tube 2, is provided with removable demonstration tube 5 in U-shaped glass tube 2, the two ends of U-shaped glass tube 2 are provided with screw thread silk 201, and U-shaped glass tube 2 is marked with scale mark 202 and center line 203; U-shaped glass tube 2 top is connected with glass tube 1 with screw thread 102 by screw thread silk 201, and glass tube 1 is provided with screw thread silk 201, screw thread 102 and scale mark 202, is provided with seal gasket 101 bottom screw thread 102; Described removable demonstration tube 5 comprises transparent glass tube 502, LED 503 and sealing rubber plug 501, and it is inner that LED 503 is positioned at transparent glass tube 502, and transparent glass tube 502 two ends are glued together by adhesive and sealing rubber plug 501; Described glass tube 1 length is 1 meter, and glass tube 1, for use in groups, is often organized quantity and is no less than 4; Described arc-shaped bracket 4 uses elastomeric material to make; Described LED 503 is powered by button cell, and can send ruddiness.The different liquid of the density liquid identical with density can be injected in the pipe of described U-shaped glass tube 2 both sides, can demonstrate on the one hand the liquid column of highly identical different densities produce the contrast of pressure size, can demonstrate on the other hand the different liquid column of density phase co-altitude produce the contrast of pressure size, under also can demonstrating identical pressure, the liquid column difference in height of different densities liquid; The design of described removable demonstration tube 5, when U-shaped glass tube 2 liang of side pipe internal memories are at pressure difference, the direction little to pressure is moved by removable demonstration tube 5, and sealing rubber plug 501 plays the effect of excellent sealing, and LED 503 can send ruddiness, facilitate observation of students demonstrating effect; The design of screw thread silk on the screw thread silk at described U-shaped glass tube 2 top 201 and glass tube 201 and screw thread 102, can convenient and swiftly connect, experimentally can need the height increasing liquid column, and seal gasket can avoid liquid leakage; Described scale mark 202 and center line 203 can facilitate the height of experimenter's recording liquid post and observe the movement of removable demonstration tube 5.Structure of the present utility model is simple, and reasonable in design, easy and simple to handle, good demonstration effect, with low cost, safe and reliable being easy to is promoted on a large scale and used.
Claims (4)
1. a physical teaching aid, comprise base (6), arc-shaped bracket (4) and strap (3), it is characterized in that: arc-shaped bracket (4) is fixed on base (6), arc-shaped bracket (4) is provided with deep-slotted chip breaker (401), arc-shaped bracket (4) top is provided with U-shaped glass tube (2), removable demonstration tube (5) is provided with in U-shaped glass tube (2), the two ends of U-shaped glass tube (2) are provided with screw thread silk head (201), and U-shaped glass tube (2) is marked with scale mark (202) and center line (203); U-shaped glass tube (2) top is connected with glass tube (1) with screw thread (102) by screw thread silk head (201), glass tube (1) is provided with screw thread silk head (201), screw thread (102) and scale mark (202), and screw thread (102) bottom is provided with seal gasket (101); Described removable demonstration tube (5) comprises transparent glass tube (502), LED (503) and sealing rubber plug (501), it is inner that LED (503) is positioned at transparent glass tube (502), and transparent glass tube (502) two ends are glued together by adhesive and sealing rubber plug (501).
2. a kind of physical teaching aid according to claim 1, is characterized in that: described glass tube (1) length is 1 meter, and glass tube (1), for use in groups, is often organized quantity and is no less than 4.
3. a kind of physical teaching aid according to claim 1, is characterized in that: described arc-shaped bracket (4) uses elastomeric material to make.
4. a kind of physical teaching aid according to claim 1, is characterized in that: described LED (503) is powered by button cell, and can send ruddiness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556919.9U CN204946436U (en) | 2015-07-29 | 2015-07-29 | A kind of physical teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556919.9U CN204946436U (en) | 2015-07-29 | 2015-07-29 | A kind of physical teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946436U true CN204946436U (en) | 2016-01-06 |
Family
ID=55013841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520556919.9U Expired - Fee Related CN204946436U (en) | 2015-07-29 | 2015-07-29 | A kind of physical teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204946436U (en) |
-
2015
- 2015-07-29 CN CN201520556919.9U patent/CN204946436U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |