CN201946201U - Teaching aid for exploring lung breathing movement - Google Patents
Teaching aid for exploring lung breathing movement Download PDFInfo
- Publication number
- CN201946201U CN201946201U CN2011200535427U CN201120053542U CN201946201U CN 201946201 U CN201946201 U CN 201946201U CN 2011200535427 U CN2011200535427 U CN 2011200535427U CN 201120053542 U CN201120053542 U CN 201120053542U CN 201946201 U CN201946201 U CN 201946201U
- Authority
- CN
- China
- Prior art keywords
- teaching aid
- mask body
- exploring
- cover body
- 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
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Abstract
The utility model relates to teaching equipment, in particular to a teaching aid for exploring lung breathing movement, which comprises a transparent chest simulating mask body with an upper opening and a lower opening. A Y-shaped pipe in the mask body simulates a trachea. Balloons in the mask body simulate lungs. One end of the Y-shaped pipe is connected with the upper opening of the mask body in a sealing way and is used as an air inlet/outlet. The other two ends of the Y-shaped pipe are connected with two balloons in a sealing way. The lower opening of the mask body is connected with an elastic film in a sealing way. The mask body is in a sealed state. The teaching aid for exploring lung breathing movement has the advantages that the structure is simple, the teaching aid is convenient to use, the demonstration is vivid and a very good teaching effect can be achieved.
Description
Technical field
The utility model relates to a kind of teaching equipment, is specifically related to probe in a kind of biology the teaching aid of lung respiratory movement.
Background technology
In biology teaching in junior middle school, told about the knowledge of lung respiratory movement, but lacked lively, vivid teaching aid, can only influence teaching efficiency with static graphic teaching.
The utility model content
The purpose of this utility model is the deficiency that lacks the teaching aid of probing into lung respiratory movement at existing, and a kind of lively, vivid teaching aid of probing into lung respiratory movement is provided.
The purpose of this utility model realizes by following technological means: transparent cover body suitable for reading with having, end opening is simulated the thoracic cavity, with the simulation of the Y tube in cover body tracheae, balloon simulated lung in the cover body is arranged, one end of Y tube the suitable for reading of cover body that be tightly connected, import and export as air, in addition two balloons of sealed at both ends connection of Y tube, the end opening of cover body elastic film that is tightly connected, cover body is in sealing state.
Compared with prior art the utlity model has following tangible advantage: simple in structure, easy to use, the demonstration vivid, obtain good teaching efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure, 1-cover body, 2-Y shape pipe, 3-balloon, 4-film.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Transparent cover body 1 as shown in Figure 1 has suitable for reading, end opening, and Y tube 2, balloon 3 are arranged in the cover body 1, an end of Y tube 2 the suitable for reading of cover body 1 that be tightly connected, two balloons 3 of sealed at both ends connection in addition, the end opening of cover body 1 elastic film 4 that is tightly connected.
Cover body 1 is in sealing state, and in the time of demonstration, extroversion is drawn film 4, and the air pressure in the cover body 1 reduces, air enters balloon 3 by Y tube 2, and the volume of balloon 3 increases, and removes external force, and film 4 recovers original state, air pressure in the cover body 1 increases, and the air in the balloon 3 is discharged, volume-diminished.
In a word, the utility model provides a kind of simple in structure, easy to use, vivid teaching aid of probing into lung respiratory movement of demonstration.The above; it only is a part of embodiment of the present utility model; protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (1)
1. teaching aid of probing into lung respiratory movement, comprise and have interior Y tube (2), the balloon (3) of transparent cover body (1) suitable for reading, end opening, one end of Y tube (2) the suitable for reading of cover body (1) that be tightly connected, the in addition two ends of Y tube (2) two balloons (3) that are tightly connected respectively is characterized in that: the end opening of described cover body (1) elastic film (4) that is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200535427U CN201946201U (en) | 2011-02-26 | 2011-02-26 | Teaching aid for exploring lung breathing movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200535427U CN201946201U (en) | 2011-02-26 | 2011-02-26 | Teaching aid for exploring lung breathing movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946201U true CN201946201U (en) | 2011-08-24 |
Family
ID=44473538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200535427U Expired - Fee Related CN201946201U (en) | 2011-02-26 | 2011-02-26 | Teaching aid for exploring lung breathing movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946201U (en) |
-
2011
- 2011-02-26 CN CN2011200535427U patent/CN201946201U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20120226 |