CN206819617U - A kind of physics teaching pressure demonstrator - Google Patents
A kind of physics teaching pressure demonstrator Download PDFInfo
- Publication number
- CN206819617U CN206819617U CN201720264884.0U CN201720264884U CN206819617U CN 206819617 U CN206819617 U CN 206819617U CN 201720264884 U CN201720264884 U CN 201720264884U CN 206819617 U CN206819617 U CN 206819617U
- Authority
- CN
- China
- Prior art keywords
- hollow
- hollow structure
- shell
- cylindrical shell
- physics teaching
- 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.)
- Expired - Fee Related
Links
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000008961 swelling Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
A kind of physics teaching pressure demonstrator, including the internal hollow shell for through-hole structure, one end of the hollow shell bonds a Rubber end, the inside of the Rubber end is the first hollow structure, and the through-hole structure and the connection of the first hollow structure, the other end of the hollow shell sets a cylindrical shell, the inside of the cylindrical shell is the second hollow structure, and the through-hole structure and the connection of the second hollow structure, one end of the cylindrical shell is internally provided with pressometer, drain tap and hollow housing, the inside of the hollow housing is the 3rd hollow structure, the through-hole structure for being internally provided with the second hollow structure of connection and the 3rd hollow structure of the cylindrical shell, and the through-hole structure is internally provided with air check valve.The present apparatus is simple in construction, easy to use, can be when in use, there is provided certain atmospheric pressure so that Rubber end is in swelling state, so as to adapt to the test of medium-and-large-sized pressure, improves the precision of measurement.
Description
Technical field
College Physics technical field is the utility model is related to, more particularly to a kind of physics teaching pressure demonstrator.
Background technology
At present, the knowledge in terms of all acquiring pressure during the teaching of senior high school, and be used for physics teaching and demonstrated with pressure
Device is typically all high precision instrument, and cost is high, and the teaching for being not appropriate for comparing poverty-stricken area is used, and student can only be known by theory
Knowledge is learnt, relatively more abstract, has certain limitation.
The content of the invention
In order to overcome disadvantages described above, the technical problems to be solved in the utility model is：It is proposed a kind of physics teaching pressure
Demonstration device.
Technical scheme is a kind of physics teaching pressure demonstrator used by the utility model solves its technical problem, bag
The internal hollow shell for through-hole structure is included, one end of the hollow shell bonds a Rubber end, and the inside of the Rubber end is
First hollow structure, and the through-hole structure and the connection of the first hollow structure, the other end of the hollow shell set a cylindricality
Housing, the inside of the cylindrical shell is the second hollow structure, and the through-hole structure and the second hollow structure connect, the post
One end of shape housing is internally provided with pressometer, drain tap and hollow housing, and the inside of the hollow housing is the
Three hollow structures, the through-hole structure for being internally provided with the second hollow structure of connection and the 3rd hollow structure of the cylindrical shell,
And the through-hole structure is internally provided with air check valve, a valve core plate is placed in the inside of the 3rd hollow structure, described
A push rod is fixed at the center of the end face of valve core plate, and the push rod fixes a force in one end outside the hollow housing
Plate.
Preferably, the Rubber end is elastomeric material structure.
Preferably, the pressometer is air type pressometer, and measurement end is located at the described second hollow knot
The inside of structure.
Preferably, the drain tap is hand exhaust valve.
Preferably, the inlet end of the air check valve is towards the side of the 3rd hollow structure.
The beneficial effects of the utility model are：The present apparatus is simple in construction, easy to use, can be when in use, there is provided certain
Atmospheric pressure so that Rubber end is in swelling state, so as to adapt to the test of medium-and-large-sized pressure, improves the precision of measurement.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is complete section structural representation of the present utility model.
1. hollow shell in figure, 2. through-hole structures, 3. Rubber ends, 4. first hollow structures, 5. cylindrical shells, 6. second
Hollow structure, 7. pressometers, 8. drain taps, 9. hollow housings, 10. air check valves, 11. the 3rd hollow structures, 12,
Valve core plate, 13. push rods, 14. force application boards.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
As shown in figure 1, a kind of physics teaching pressure demonstrator, including the internal hollow shell 1 for through-hole structure 2, institute
The one end for stating hollow shell 1 bonds a Rubber end 3, and the inside of the Rubber end 3 is the first hollow structure 4, and the through hole knot
Structure 2 connects with the first hollow structure 4, and the other end of the hollow shell 1 sets a cylindrical shell 5, the cylindrical shell 5 it is interior
Portion is the second hollow structure 6, and the through-hole structure 2 connects with the second hollow structure 6, one end of the cylindrical shell 5 it is interior
Portion is provided with pressometer 7, drain tap 8 and hollow housing 9, and the inside of the hollow housing 9 is the 3rd hollow structure 11,
The through-hole structure for being internally provided with the second hollow structure 6 of connection and the 3rd hollow structure 11 of the cylindrical shell 5, and it is described logical
Pore structure is internally provided with air check valve 10, and a valve core plate 12, the valve are placed in the inside of the 3rd hollow structure 11
A push rod 13 is fixed at the center of the end face of core plate 12, and the push rod 13 is fixed in one end outside the hollow housing 9
One force application board 14.
The Rubber end 3 is elastomeric material structure, can play telescopic action；The pressometer 7 is air type
Pressometer, and measurement end is located at the inside of second hollow structure 6, plays a part of air pressure measurement；The row
Air valve 8 is hand exhaust valve, realizes the discharge effect of air pressure；The inlet end of the air check valve 10 is described in
The side of 3rd hollow structure 11, realize the injection effect of air.
Hollow shell 1 is deep into the inside of water, and Rubber end 3 positioned at the position for needing to measure, is then passed through
Continuous push-and-pull force application board 14 so that air constantly enters, and Rubber end 3 is expanded, and now, can accurately measure inside now
Pressure, and when the device proposes horizontal plane, data now are measured again according to pressometer 7, two groups of data are subtracted each other,
It can obtain now, the pressure inside hydraulic pressure.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of physics teaching pressure demonstrator, including inside is through-hole structure（2）Hollow shell（1）, it is characterised in that
The hollow shell（1）One end bond a Rubber end（3）, the Rubber end（3）Inside be the first hollow structure（4）, and
The through-hole structure（2）With the first hollow structure（4）Connection, the hollow shell（1）The other end set a cylindrical shell
（5）, the cylindrical shell（5）Inside be the second hollow structure（6）, and the through-hole structure（2）With the second hollow structure（6）
Connection, the cylindrical shell（5）One end be internally provided with pressometer（7）, drain tap（8）And hollow housing（9）,
The hollow housing（9）Inside be the 3rd hollow structure（11）, the cylindrical shell（5）Be internally provided with connection second in
Hollow structure（6）With the 3rd hollow structure（11）Through-hole structure, and the through-hole structure is internally provided with air check valve
（10）, the 3rd hollow structure（11）Inside place a valve core plate（12）, the valve core plate（12）End face center
Fix a push rod（13）, the push rod（13）Positioned at the hollow housing（9）A force application board is fixed in outside one end（14）.
A kind of 2. physics teaching pressure demonstrator according to claim 1, it is characterised in that：The Rubber end（3）For
Elastomeric material structure.
A kind of 3. physics teaching pressure demonstrator according to claim 1, it is characterised in that：The pressometer
（7）For air type pressometer, and measurement end is located at second hollow structure（6）Inside.
A kind of 4. physics teaching pressure demonstrator according to claim 1, it is characterised in that：The drain tap（8）
For hand exhaust valve.
A kind of 5. physics teaching pressure demonstrator according to claim 1, it is characterised in that：The air check valve
（10）Inlet end towards the 3rd hollow structure（11）Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264884.0U CN206819617U (en) | 2017-03-18 | 2017-03-18 | A kind of physics teaching pressure demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720264884.0U CN206819617U (en) | 2017-03-18 | 2017-03-18 | A kind of physics teaching pressure demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819617U true CN206819617U (en) | 2017-12-29 |
Family
ID=60750209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720264884.0U Expired - Fee Related CN206819617U (en) | 2017-03-18 | 2017-03-18 | A kind of physics teaching pressure demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172080A (en) * | 2018-02-06 | 2018-06-15 | 王书亚 | Gas in closed vessel pressure exploring instrument |
-
2017
- 2017-03-18 CN CN201720264884.0U patent/CN206819617U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172080A (en) * | 2018-02-06 | 2018-06-15 | 王书亚 | Gas in closed vessel pressure exploring instrument |
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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: 20171229 Termination date: 20180318 |