CN220474197U

CN220474197U - Dynamic teaching aid for lung respiration

Info

Publication number: CN220474197U
Application number: CN202321544930.4U
Authority: CN
Inventors: 叶青华
Original assignee: Qinghua Science & Education Equipment Co ltd
Current assignee: Qinghua Science & Education Equipment Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2024-02-09
Anticipated expiration: 2033-06-16

Abstract

The utility model provides a dynamic teaching aid for lung respiration, which comprises a vent pipe, a connecting tee joint, an air guide bent pipe, a demonstration balloon and an elastic sheet, wherein the vent pipe is inserted in the middle position in a plugging cover, the air guide bent pipe is adhered to the left end and the right end of the connecting tee joint, the lower end of the air guide bent pipe is sleeved with the demonstration balloon, the lower end surface of the demonstration balloon is attached with the elastic sheet, when the middle part of the elastic sheet moves downwards, the air pressure in the demonstration balloon is reduced, at the moment, a part of external air can be sucked into the vent pipe, then the air can enter the air guide bent pipe through the connecting tee joint and finally enter the demonstration balloon, so that the expansion of the demonstration balloon is increased, the lung dynamic of a human body during inhalation is simulated, and similarly, when the middle part of the elastic sheet moves upwards, the demonstration balloon can be extruded and contracted by the ascending air pressure, so that the lung dynamic of the human body during exhalation is simulated.

Description

Dynamic teaching aid for lung respiration

Technical Field

The utility model relates to the technical field of model teaching aids, in particular to a dynamic lung respiration teaching aid.

Background

The lung is an organ of the human body, mainly plays a role of breathing, and in the biological discipline, human body research is indispensable, the research needs to be vividly understood on human viscera and main operation dynamics, the importance of the model teaching aid is self-evident, and the lung mainly plays a role of breathing movement.

A lung respiration motion model teaching aid provided by publication number CN211604501U is formed by sticking elastic cloth

The air inlet and outlet of the simulated balloon are respectively connected with the air inlet and outlet of the simulated balloon, and the air inlet and outlet of the simulated balloon are respectively connected with the air inlet and outlet of the simulated balloon.

However, the following drawbacks exist in the above technical solutions and the prior art:

this model teaching aid is in the in-service use, needs to be connected with the trachea on the rubber plug with the help of outside device of giving vent to anger just can demonstrate to make the teaching personnel need carry together with external device of giving vent to anger when using this teaching aid, and this model teaching aid is also somewhat bulky, has to improve in the aspect of use and carrying convenience.

Disclosure of Invention

The utility model aims to provide a lung breathing dynamic teaching aid for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lung breathes dynamic teaching aid, includes shutoff lid, demonstration bottle and support base, the shutoff lid is installed to demonstration bottle up end, the inside demonstration subassembly that is provided with of demonstration bottle, and demonstration subassembly is used for simulating human lung breathing state, support base is installed to demonstration bottle lower extreme, support base inside is provided with the drop-down subassembly, and the drop-down subassembly makes demonstration subassembly more convenient in the demonstration process.

Preferably, the demonstration subassembly includes breather pipe, connection tee bend, air guide return bend, demonstration balloon and elastic piece, the inside intermediate position of shutoff lid alternates there is the breather pipe, and has paintd between breather pipe and the shutoff lid and seal up glue, the adhesion of breather pipe lower extreme has the connection tee bend, both ends all bond the air guide return bend about the connection tee bend, air guide return bend lower extreme cover is equipped with the demonstration balloon, the laminating of terminal surface has the elastic piece under the demonstration bottle.

Preferably, the pull-down assembly comprises a driven sleeve, a connecting rod, a driving sleeve, a crankshaft rod and a connecting ring, wherein the connecting ring is adhered to the middle position of the lower end face of the elastic piece, the annular side face of the connecting ring is provided with the driven sleeve, the lower side of the annular side face of the driven sleeve is connected with the connecting rod, the lower end of the connecting rod is connected with the driving sleeve, and the lower side of the inner part of the supporting base is provided with the crankshaft rod.

Preferably, the upper side of the outer surface of the demonstration balloon is sleeved with a fixing ribbon, and the elastic piece is made of the same material as the demonstration balloon.

Preferably, the bearing is installed to Qu Zhougan left end, bent axle pole annular side right side is provided with the spacing ring, bent axle pole right-hand member is provided with the hand carousel.

Preferably, the lifting handle is fixedly connected with the upper end face of the plugging cover, a sealing ring is arranged in the plugging cover, and an anti-slip rubber sheet is adhered to the lower end face of the supporting base.

Preferably, the demonstration bottle is made of transparent toughened glass, an upper external thread is arranged on the upper side of the annular side surface of the demonstration bottle, a lower external thread is arranged on the lower side of the annular side surface of the demonstration bottle, a first internal thread is arranged on the annular side surface of the plugging cover and is meshed with the upper external thread, a second internal thread is arranged on the upper side of the annular side surface of the supporting base, and the second internal thread is meshed with the lower external thread.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses only need make the bent axle pole teaching rotate through the hand carousel, alright the bent axle pole drives initiative cover at the rotation in-process and shifts up or descend, and the initiative cover can drive driven cover through the connecting rod and shift up or descend, and driven cover can drive the go-between and shift up or descend, and then make things convenient for the go-between to drive the elastic sheet middle part and pull down and shift up, this structure need not teaching personnel need not stop with the hand and carry out pull down or loosen the elastic sheet in the teaching process to reduced the intensity of labour in the teaching personnel demonstration process;

2. the utility model discloses when the elastic sheet middle part moves down, the inside atmospheric pressure of demonstration bottle descends, and atmospheric pressure also can descend along with it in the demonstration balloon, can get into the air expansion grow in the demonstration balloon this moment, with this simulation human lung dynamic when breathing in, the same reason, when the elastic sheet middle part moves up, the inside atmospheric pressure of demonstration bottle can rise, the demonstration balloon can be extruded by the atmospheric pressure that rises this moment shrink, with this simulation human lung dynamic when exhaling, this structure need not go out the air outlet device with the help of outside and just can carry out lung dynamic demonstration, and compact structure, convenient carrying use.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a block diagram of a demonstration assembly of the present utility model;

FIG. 3 is a block diagram of the driven bushing, connecting rod and driving bushing of the present utility model;

FIG. 4 is an elevational cross-sectional view of the demonstration assembly and the pull-down assembly of the present utility model;

fig. 5 is a partial enlarged view of fig. 4.

In the figure: 1. a blocking cover; 11. a seal ring; 12. a lifting handle; 2. demonstration bottle; 3. a support base; 31. an anti-slip film; 4. a pull-down assembly; 41. a driven sleeve; 42. a connecting rod; 43. a driving sleeve; 44. a crankshaft rod; 441. a bearing; 442. a limiting ring; 45. a connecting ring; 46. a hand turntable; 5. a presentation component; 51. a vent pipe; 52. connecting a tee joint; 53. an air guide elbow; 54. demonstrating a balloon; 541. fixing the binding belt; 55. an elastic sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

embodiment one: the utility model provides a lung breathes developments teaching aid, including shutoff lid 1, demonstration bottle 2 and support base 3, the shutoff lid 1 is installed to demonstration bottle 2 up end, shutoff lid 1 can carry out the shutoff to demonstration bottle 2 up end, shutoff lid 1 up end fixedly connected with carries handle 12, carry handle 12 and conveniently the teaching aid carry out carrying, the inside sealing washer 11 that is provided with of shutoff lid 1, sealing washer 11 makes the leakproofness better between shutoff lid 1 and the demonstration bottle 2, demonstration bottle 2 inside is provided with demonstration subassembly 5, and demonstration subassembly 5 is used for simulating human lung breathing state, support base 3 is installed to demonstration bottle 2 lower extreme, support base 3 can carry out firm support to demonstration bottle 2, avoid demonstration bottle 2 to appear rocking the condition in the use, support base 3 lower terminal surface bonding has anti-skidding film 31, anti-skidding film 31 makes support base 3 lower terminal surface antiskid nature better, avoid support base 3 to appear the displacement condition in the use, support base 3 inside is provided with down and pulls subassembly 4 and makes demonstration subassembly 5 more convenient at demonstration in-process, support base 3 annular right side face side and blocks the lid and blocks 442 and can stop the limit ring 442 and stop the displacement in the use condition, limit ring 442.

The demonstration bottle 2 material is transparent toughened glass, the demonstration bottle 2 of transparent toughened glass not only possesses transparent ability, and intensity is also high, avoid appearing cracked condition easily in the use, demonstration bottle 2 annular side upside is provided with upper portion external screw thread, demonstration bottle 2 annular side downside is provided with the lower part external screw thread, the annular side is provided with first internal screw thread in the shutoff lid 1, and first internal screw thread meshes with upper portion external screw thread mutually, first internal screw thread and upper portion external screw thread that mesh make things convenient for the shutoff lid 1 to install and fix at demonstration bottle 2 up end, support 3 annular side upside of base is provided with the second internal screw thread, and second internal screw thread and lower part external screw thread mesh mutually, the second internal screw thread and the lower part external screw thread that mesh make things convenient for demonstration bottle 2 to install and fix at support base 3 up end.

The demonstration assembly 5 comprises a vent pipe 51, a connecting tee 52, an air guide elbow 53, demonstration balloons 54 and elastic sheets 55, wherein the vent pipe 51 is inserted in the middle position inside the plugging cover 1, external air conveniently enters the connecting tee 52, sealing glue is smeared between the vent pipe 51 and the plugging cover 1, sealing glue enables tightness between the vent pipe 51 and the plugging cover 1 to be better, the lower end of the vent pipe 51 is adhered with the connecting tee 52, external air conveniently enters the air guide elbows 53 on the left side and the right side respectively through the connecting tee 52, the left end and the right end of the connecting tee 52 are adhered with the air guide elbows 53, the two air guide elbows 53 are adhered with two, the air guide elbows 53 can respectively guide the air in the connecting tee 52 into the two demonstration balloons 54, the lower end of the air guide elbows 53 is sleeved with the demonstration balloons 54, the two demonstration balloons 54 are sleeved with the two demonstration balloons 541, the upper ends of the demonstration balloons 54 are conveniently fixed at the lower ends of the air guide elbows 53, the lower end of the demonstration balloons 2 are adhered with the elastic sheets 55, the elastic sheets 55 are adhered with the elastic sheets 55, the elastic sheets are made of the same material as the demonstration balloons 54, and the elastic films are not breathable, and the elastic films are made of the elastic films are not good.

Embodiment two: on the basis of the first embodiment, in the embodiment, the driving sleeve is driven to move upwards or downwards in the rotating process through the crank shaft rod, so that the connecting ring drives the middle part of the elastic sheet to pull downwards or move upwards, and the situation that a teaching person needs to continuously pull downwards or loosen the elastic sheet by hand in the teaching process is avoided.

The pull-down assembly 4 comprises a driven sleeve 41, a connecting rod 42, a driving sleeve 43, a crank shaft rod 44 and a connecting ring 45, wherein the connecting ring 45 is adhered to the middle position of the lower end face of the elastic piece 55, the connecting ring 45 and the elastic piece 55 are adhered to each other through structural adhesive, the connecting ring 45 facilitates the driven sleeve 41 to drive the middle part of the elastic piece 55 to pull down and move upwards, the annular side face of the connecting ring 45 is provided with the driven sleeve 41, the driven sleeve 41 can drive the connecting ring 45 to move upwards and downwards, the lower side of the annular side face of the driven sleeve 41 is connected with the connecting rod 42, the connecting rod 42 is connected with the driving sleeve 43 and the driven sleeve 41 in a welding mode, the connecting rod 42 can drive the driven sleeve 41 to move upwards and downwards, the driving sleeve 43 can drive the connecting rod 42 to move downwards, the lower side of the inner portion of the supporting base 3 is provided with the crank shaft rod 44, the crank shaft rod 44 conveniently drives the driving sleeve 43 to move upwards and downwards, the left end of the crank shaft rod 44 is provided with a bearing 441, the bearing 441 enables the crank shaft 44 to be smoother in the rotating process, the annular side face of the crank shaft 44 is provided with a limiting ring 442, the limiting ring 442 can limit the crank shaft 44, the crank shaft 44 to rotate in a limiting mode, the crank shaft 44 is connected with the connecting rod 42, the crank shaft 44 is conveniently rotates in a rotating process of the rotating through the rotating process of the crank shaft rod 46, and the crank shaft 46, the crank shaft 46 is convenient to move by the crank shaft 46, and the hand staff 46.

Working principle: when the dynamic demonstration of lung respiration is needed, a teacher only needs to rotate the hand turntable 46 by hand, so that the crank shaft rod 44 can rotate together, and the crank shaft rod 44 can drive the driving sleeve 43 to move upwards or downwards in the rotating process, so that the driving sleeve 43 drives the driven sleeve 41 to move upwards or downwards through the connecting rod 42, and the driven sleeve 41 can drive the connecting ring 45 to move upwards or downwards, and further, the connecting ring 45 can conveniently drive the middle part of the elastic piece 55 to pull downwards and upwards; in this process, when the middle part of the elastic sheet 55 moves down (refer to fig. 4), the air pressure in the demonstration balloon 54 also falls, at this time, a part of external air is inhaled into the ventilation tube 51, and then the air enters the air guide elbow 53 through the connecting tee 52, finally enters the demonstration balloon 54, so that the demonstration balloon 54 expands and enlarges, and thus simulates the lung motion of a human body during inhalation, and similarly, when the middle part of the elastic sheet 55 moves up, the air pressure in the demonstration balloon 2 rises, at this time, the demonstration balloon 54 is extruded and contracted by the rising air pressure, so as to simulate the lung motion of the human body during exhalation, in this process, the rising and falling elastic sheet 55 simulates the diaphragm motion in the human body, so that a teaching person can more vividly and directly simulate the lung exhalation and inhalation motion of the human body, and a learner only needs to see the demonstration balloon 54 and inhalation state through the demonstration balloon 2, and when the demonstration balloon 54 is extruded and contracted through the connecting tee 52, a part of the air in the demonstration balloon 54 enters the ventilation tube 51, and finally exits through the ventilation tube 51 to the air guide elbow 51, and finally passes through the demonstration balloon 54 to the outside to make a group of inhalation states.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lung breathes developments teaching aid, includes shutoff lid (1), demonstration bottle (2) and supports base (3), its characterized in that: the device is characterized in that a plugging cover (1) is arranged on the upper end face of the demonstration bottle (2), a demonstration assembly (5) is arranged inside the demonstration bottle (2), the demonstration assembly (5) is used for simulating the lung breathing state of a human body, a support base (3) is arranged at the lower end of the demonstration bottle (2), a pull-down assembly (4) is arranged inside the support base (3), and the pull-down assembly (4) enables the demonstration assembly (5) to be more convenient and rapid in the demonstration process;

the demonstration assembly (5) comprises a vent pipe (51), a connecting tee joint (52), an air guide elbow pipe (53), a demonstration balloon (54) and an elastic sheet (55), wherein the vent pipe (51) is inserted in the middle position inside the plugging cover (1), sealant is smeared between the vent pipe (51) and the plugging cover (1), the lower end of the vent pipe (51) is adhered with the connecting tee joint (52), the left end and the right end of the connecting tee joint (52) are adhered with the air guide elbow pipe (53), the lower end of the air guide elbow pipe (53) is sleeved with the demonstration balloon (54), and the elastic sheet (55) is adhered to the lower end face of the demonstration bottle (2);

the pull-down assembly (4) comprises a driven sleeve (41), a connecting rod (42), a driving sleeve (43), a crankshaft rod (44) and a connecting ring (45), wherein the connecting ring (45) is adhered to the middle position of the lower end face of the elastic piece (55), the annular side face of the connecting ring (45) is provided with the driven sleeve (41), the connecting rod (42) is connected to the lower side of the annular side face of the driven sleeve (41), the driving sleeve (43) is connected to the lower end of the connecting rod (42), and the crankshaft rod (44) is arranged on the lower side of the inner portion of the supporting base (3).

2. A lung breathing dynamics teaching aid according to claim 1 and characterized in that: the upper side of the outer surface of the demonstration balloon (54) is sleeved with a fixing binding belt (541).

3. A lung breathing dynamics teaching aid according to claim 1 and characterized in that: the left end of the crankshaft rod (44) is provided with a bearing (441), the right side of the annular side surface of the crankshaft rod (44) is provided with a limiting ring (442), and the right end of the crankshaft rod (44) is provided with a hand turntable (46).

4. A lung breathing dynamics teaching aid according to claim 1 and characterized in that: the sealing cover is characterized in that the lifting handle (12) is fixedly connected to the upper end face of the sealing cover (1), a sealing ring (11) is arranged inside the sealing cover (1), and an anti-slip rubber sheet (31) is adhered to the lower end face of the supporting base (3).

5. A lung breathing dynamics teaching aid according to claim 1 and characterized in that: the demonstration bottle (2) is made of transparent toughened glass, an upper external thread is arranged on the upper side of the annular side face of the demonstration bottle (2), and a lower external thread is arranged on the lower side of the annular side face of the demonstration bottle (2).