Aerodynamic vehicle for teaching

Abstract

The utility model provides an aerodynamic vehicle for teaching, which comprises an experiment vehicle, a clamping piece is arranged on the experiment vehicle, an air piece is clamped on the clamping piece, a ventilation column is arranged in the air piece in a fitting manner, a balloon close to the ventilation column is sleeved outside the air piece, air passes through the air piece and the ventilation column and enters and exits the balloon, and the air piece is provided with an air inlet and an air outlet. The air piece enables the balloon to be ventilated and closed through the ventilation column. The balloon has the advantages that the balloon can be ventilated and closed by the air piece through the ventilation column, the air of the balloon can be locked during blowing, the air of the balloon is prevented from escaping, and the balloon is simple and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of experimental teaching aid, especially a teaching air power car. BACKGROUND

[0002] When the balloon releases the gas in its body, a thrust will be generated, and it is this thrust that propels the car forward. It is worth noting that the amount of gas in the balloon is closely related to the size of the generated thrust, the more gas, the greater the thrust, and the distance traveled by the car will also increase accordingly. Through this experiment, the principle of recoil and the application of gas pressure difference in object motion can be intuitively understood. At present, the air power car is directly blown by the user to the balloon sleeve air pipe, and after blowing, the hand is used to block the air pipe, so that the balloon is closed, and then the hand is released, the balloon gas is blown out to push the experimental car forward. In this process, there is a gap from the user's mouth to the hand blocking the air pipe, and the gas in the balloon is easy to escape, and the hand needs to block the air pipe for a long time, which is not convenient to operate. SUMMARY

[0003] Therefore, the utility model aims at overcoming the defects in the prior art, and provides a teaching air power car.

[0004] The utility model provides a teaching air power car, including experimental car 1, be provided with card piece 2 on experimental car 1, be provided with gas piece 3 on card piece 2, the inside of gas piece 3 is provided with the aeration column 4 of sticking, the balloon 5 of gas piece 3 is set up with the aeration column 4 close, gas passes through gas piece 3, the aeration column 4 goes in and out balloon 5, gas piece 3 can make balloon 5 aeration, close gas through the aeration column 4.

[0005] Further, the top end of the experimental car 1 is provided with a square groove 1.1 for inserting the card piece 2.

[0006] Further, the gas piece 3 is composed of a gas blowing section 3.1, a clamping section 3.2 and a gas locking section 3.3 arranged from left to right, the gas locking section 3.3 is provided with a foldable corrugated section 3.4, and the clamping section 3.2 is clamped on the card piece 2.

[0007] Further, the upper end of the card piece 2 is provided with a clasp obliquely, and the clamping section 3.2 is clamped on the clasp.

[0008] Further, the outer wall of the right end of the gas locking section 3.3 is outwardly convex to form an annular protrusion 3.5, and the outer wall of the aeration column 4 is provided with an annular clamping portion clamped in the annular protrusion 3.5.

[0009] Further, the air vent column 4 is provided with an L-shaped air hole, the inner wall of the air locking section 3.3 is attached to the air hole to lock air, and the corrugated section 3.4 communicates with the air hole to ventilate.

[0010] Further, the experimental vehicle 1 is symmetrically provided with hooks 1.2 on the left and right sides.

[0011] The advantages of the utility model are that: the air member can make the balloon ventilate and lock air through the air vent column, and the balloon air can be locked to prevent the balloon air from escaping and the operation is simple; the square groove makes the installation position of the clamping member clear and stable, and the operation is easy, which helps to quickly complete the assembly of the experimental vehicle and the clamping member; the air member makes the balloon ventilate through the air vent column, the user can blow air to the air member, the air member makes the balloon lock air through the air vent column, then the air member makes the balloon ventilate through the air vent column, and the balloon air is blown out to the left through the air vent column and the air member, so as to push the experimental vehicle to move forward; the buckle clamps the air member through the clamping section, and the air member is kept inclined; the annular protrusion can stabilize the balloon sleeved on the air locking section, and can clamp the air vent column through the annular clamping part to prevent the air vent column from moving during ventilation; the corrugated section is folded and contracted, so that the inner wall of the air locking section is attached to the air hole, the air outlet of the air hole is closed by the inner wall of the air locking section, the corrugated section is unfolded, and the air outlet of the air hole is communicated with the outside through the corrugated section. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the utility model;

[0013] Figure 2 It is a front view of the utility model;

[0014] Figure 3 It is a sectional view of the utility model;

[0015] Figure 4 It is a sectional view of the balloon when ventilating. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below with reference to the drawings.

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0018] Reference Figures 1 to 4The utility model provides a kind of air power car for teaching, it includes experimental car 1, experimental car 1 is provided with clamping piece 2, the top of experimental car 1 is provided with the square groove 1.1 of card piece 2 insertion, so that the installation position of clamping piece is clear and stable, easy to operate, help to quickly complete the assembly of experimental car and clamping piece, clamping piece 2 is provided with air piece 3, air piece 3 is provided with venting column 4 in the inside, air piece 3 is provided with balloon 5 close to venting column 4, air piece 3, venting column 4 enters and exits balloon 5, so that gas can efficiently enter and exit balloon, reduce the possibility of gas leakage, improve the efficiency and stability of gas transmission, air piece 3 can make balloon 5 venting, close gas by venting column 4.Air piece makes balloon venting by venting column, user can blow air piece, so that air enters balloon through air piece and venting column, air piece makes balloon close gas immediately to lock the gas of balloon (the mouth of user does not separate from air piece), then air piece makes balloon venting by venting column, the gas of balloon blows left through venting column and air piece, to push experimental car forward, through this experiment, the principle of recoil and the application of gas pressure difference in object movement can be understood intuitively.

[0019] Refer to Figure 3 、 Figure 4 Air piece 3 is composed of air blowing section 3.1, clamping section 3.2 and gas locking section 3.3 arranged from left to right, gas locking section 3.3 is provided with foldable corrugated section 3.4, and clamping section 3.2 is clamped on clamping piece 2.

[0020] The upper end of clamping piece 2 is provided with clasp obliquely, and clamping section 3.2 is clamped on the clasp. The clasp clamps air piece through clamping section, and air piece is kept oblique.

[0021] The outer wall of the right end of gas locking section 3.3 is outwardly convex to form annular protrusion 3.5, and the outer wall of venting column 4 is provided with annular clamping portion clamped in annular protrusion 3.5. The annular protrusion can stabilize the balloon sleeved on the gas locking section, and can clamp venting column through the annular clamping portion to prevent venting column from moving when venting.

[0022] Venting column 4 is provided with L-shaped air hole, the inner wall of gas locking section 3.3 is attached to the air hole to close gas, and the corrugated section 3.4 is communicated with the air hole to vent. The corrugated section is folded and contracted to make the inner wall of gas locking section attached to the air hole, so that the air outlet of the air hole is closed by the inner wall of gas locking section. The corrugated section is stretched to make the air outlet of the air hole communicated with outside through the corrugated section, and the gas of balloon is blown left through the air hole and air piece to push experimental car forward. In addition, user can blow air piece to make air enter balloon through air piece and air hole, and then fold the corrugated section to lock the gas of balloon.

[0023] Experimental car 1 is provided with hooks 1.2 symmetrically on left and right sides. The hooks can be hooked to other experimental cars to increase the difficulty of pushing.

[0024] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An air-powered vehicle for educational purposes, characterized by: Including experimental car, the experimental car is provided with a clamping piece, the clamping piece is provided with a gas piece, the inside of the gas piece is provided with a ventilation column, the gas piece is provided with a balloon close to the ventilation column, the gas enters and exits the balloon through the gas piece and the ventilation column, and the gas piece can make the balloon ventilate and close through the ventilation column.

2. An aeromotive vehicle for educational purposes as claimed in claim 1, wherein: The top end of the experimental car is provided with a square groove for inserting the clamping piece.

3. An aeromotive vehicle for educational purposes as defined in claim 1, wherein: The gas piece is composed of a blowing section, a clamping section and a locking section arranged from left to right, the locking section is provided with a foldable corrugated section, and the clamping section is clamped in the clamping piece.

4. An aerodynamic vehicle for educational purposes as claimed in claim 3, wherein: The upper end of the clamping piece is obliquely provided with a clasp, and the clamping section is clamped in the clasp.

5. An aeromotive vehicle for educational purposes as claimed in claim 3 wherein: The outer wall of the right end of the locking section is outwardly convexly formed with an annular protrusion, and the outer wall of the ventilation column is provided with an annular clamping portion clamped in the annular protrusion.

6. An aeromotive vehicle for educational purposes as claimed in claim 3 wherein: The ventilation column is provided with an L-shaped air hole, the inner wall of the locking section is fitted with the air hole to close the air, and the corrugated section communicates with the air hole to ventilate.

7. An aeromotive vehicle for educational purposes as defined in claim 1, wherein: The experimental car is symmetrically provided with hooks on the left and right sides.

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