Adjustable time delay air separator and water rocket with the same

Abstract

The present application relates to a kind of adjustable time delay air separation and water rocket with the separator.The separator includes: a first pipe body, through the first pipe body to the upper level rocket body inside inflation;A first sealing joint, the lower end of first sealing joint is sealed and connected with a hose, the lower end of hose is connected with a one-way valve, the first pipe body is inserted from the first channel upper end of first sealing joint and extends to the inside of hose to form expansion joint;A second pipe body is connected with first sealing joint and the sleeve of the hose and one-way valve in it, the lower end of the second pipe body is connected with inlet and outlet air regulating valve.The separator and water rocket of the present application, through the sealing space of a second pipe body component and its inlet and outlet air regulating valve, realize the pressure relief speed controllable in the sealing space, and then can control the time of two-stage rocket body separation, so that two-stage rocket body can be delayed separation, control in better flight height and time opportunity separation, realize better simulation experiment effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water rockets, in particular to an adjustable time-delay air separation device and a water rocket with the same. BACKGROUND

[0002] The existing water rockets usually use carbonated beverage bottles such as cola bottles as the main body of the water rocket, and a nozzle is connected to the bottle mouth. The existing water rocket launching device mainly includes a base and a quick connector connected to the nozzle on the main body of the water rocket. The bottom of the quick connector is directly provided with an inflation port to connect to an air cylinder or other inflation equipment. Their launching process is to first inflate, then pull the outer connector of the quick connector by a cable to make the quick connector release the rocket body and launch it. The action of this quick connector needs to be manually operated. On the other hand, there are currently simulated launches of multi-stage rockets, but it is obviously impossible for the multi-stage rockets to be separated in the air by manpower. Therefore, a device suitable for connecting multi-stage rockets and achieving automatic separation needs to be developed.

[0003] The applicant has developed a "simple multi-stage water rocket separation launcher", but this separation launcher is difficult to control the separation time. Usually, after the lower rocket body is launched and quickly depressurized, the upper rocket body is immediately separated, and it is impossible to separate at the optimal height and timing, resulting in poor simulation experiment results. SUMMARY

[0004] The purpose of the present application is to overcome the above-mentioned shortcomings of the prior art and provide an adjustable time-delay air separation device and a water rocket with the same.

[0005] The technical solution adopted by the present application is: an adjustable time-delay air separation device for the air separation of multi-stage water rocket bodies, which comprises:

[0006] a first pipe body that can communicate with the interior of the upper rocket body and extend downward, through which the upper rocket body is inflated;

[0007] a first sealing connector that can be arranged at the top of the lower rocket body, the first sealing connector having a first channel in the interior thereof that communicates the interior of the lower rocket body with the exterior, and the lower end of the first sealing connector being sealingly connected to a hose, the lower end of the hose being connected to a one-way valve, the first pipe body being inserted into and extending into the interior of the hose from the upper end of the first channel of the first sealing connector, and the diameter of the hose being slightly smaller than the outer diameter of the first pipe body to form an expansion joint;

[0008] a second pipe body connected to the first sealing connector and sleeving the hose and the one-way valve therein, the lower end of the second pipe body being connected to an air inlet and outlet regulating valve.

[0009] Further, the inlet direction of the one-way valve is from the exterior of the hose to the interior of the hose, and the interior of the hose cannot flow outward through the one-way valve.

[0010] The inlet and outlet air regulating valve is connected with the second pipe body through a second sealing joint, and a second channel is arranged in the second sealing joint.

[0011] A glue groove is arranged between the outer wall of the second sealing joint and the inner wall of the lower end of the second pipe body, and the sealing fixed connection is formed through the curing of glue.

[0012] The inlet and outlet air regulating valve is a valve core structure, and the speed of the air flow leaking out of the second pipe body is adjusted by adjusting the adjusting knob of the valve core structure, so that the release speed of the pressure is controlled, and the separation time of the upper-stage rocket body and the lower-stage rocket body is adjusted.

[0013] The upper end of the second pipe body is provided with an internal thread, which is connected with an external thread arranged on the middle section of the outer wall of the first sealing joint, and the inner wall of the upper end of the second pipe body is further provided with a step surface, which abuts against the expanded hose connected with the outer wall of the lower end of the first sealing joint, so that the sealing is realized.

[0014] The outer wall of the upper end of the first pipe body has a thickened section, the outer wall of the thickened section is provided with a first sealing ring groove and is installed with a sealing ring to realize the sealing connection with the upper-stage rocket body, and the upper section of the outer wall of the first sealing joint is provided with a second sealing ring groove and is installed with a sealing ring to realize the sealing connection with the lower-stage rocket body.

[0015] The application also provides a water rocket, which comprises an upper-stage rocket body and a lower-stage rocket body, and comprises the adjustable time-delay air separation device, the upper end of the first pipe body is sealingly connected in the interior of the upper-stage rocket body, the lower end thereof extends downward and is inserted into the first sealing joint and extends into the interior of the hose, the inner wall of the hose is expandedly connected with the outer wall of the first pipe body due to elasticity, so that a certain holding force is generated on the first pipe body, the first sealing joint is sealingly and fixedly connected at the upper end of the lower-stage rocket body, the upper end of the second pipe body is threadedly connected with the outer wall of the first sealing joint, the second pipe body is located in the interior of the lower-stage rocket body as a whole, and the hose and the one-way valve at the lower end thereof are located in the interior of the second pipe body as a whole, and the upper-stage rocket body and the lower-stage rocket body are connected through the insertion and expansion connection of the first pipe body, the first sealing joint and the hose.

[0016] The separator and the water rocket of the application realize the controllable pressure release speed in the sealing space of the second pipe body component and the inlet and outlet air regulating valve, so that the separation time of the two-stage rocket bodies can be controlled, the two-stage rocket bodies can be separated in time delay, the separation can be controlled at a better flight height and time, and a better simulation experiment effect can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a schematic diagram of the exploded state of the separator of the application;

[0018] Fig. 2 is a schematic diagram of the disassembly state of the separator of the application and the water rocket body connection;

[0019] Fig. 3 is a schematic diagram of the structure of the water rocket after connection. DETAILED DESCRIPTION

[0020] As shown in Figs. 1-3 , the present application is a kind of adjustable delay air separation device, for the air separation of multi-stage water rocket body, the separator includes:

[0021] A first tube body 1 can be communicated with the interior of the upper rocket body and extend downward, the first tube body 1 is inflated into the interior of the upper rocket body;

[0022] A first sealing joint 2 can be arranged at the top of the lower rocket body, the first sealing joint 2 has a first channel 201 in the interior for communication between the interior and the exterior of the lower rocket body, and the lower end of the first sealing joint 2 is sealingly connected with a hose 3, the lower end of the hose 3 is connected with a one-way valve 31, the first tube body 1 is inserted into and extends to the interior of the hose 3 from the upper end of the first channel 201 of the first sealing joint 2, the hose 3 has a diameter slightly smaller than the outer diameter of the first tube body 1 to form an expansion joint;

[0023] A second tube body 4 is connected with the first sealing joint 2 and sleeves the hose 3 and the one-way valve 31, the lower end of the second tube body 4 is connected with an air inlet and outlet regulating valve 41.

[0024] Further, the air inlet direction of the one-way valve 31 is from the outside of the hose 3 to the inside of the hose 3, and the inside of the hose 3 cannot flow outward through the one-way valve 31;

[0025] The air inlet and outlet regulating valve 41 is connected with the second tube body 4 through a second sealing joint 5, the second sealing joint 5 is provided with a second channel 501 penetrating through, and the lower end of the second channel 501 is connected with the air inlet and outlet regulating valve 41; the second tube body 4 and the second sealing joint 5 adopt a split structure, so as to facilitate the processing of the stepped surface 402 in the interior of the upper end of the second tube body 4, so as to sealingly butt joint the outer wall of the upper end of the hose 3 with the second tube body 4; the outer wall of the second sealing joint 5 and the inner wall of the lower end of the second tube body 4 are provided with a glue groove 502 and are sealingly and fixedly connected through glue curing, and can also be sealed by cooperating with a sealing ring.

[0026] The air inlet and outlet regulating valve 41 is a valve core structure, which can quickly inflate the interior of the second tube body 4 and the upper rocket body, and can adjust the speed of the air flow in the interior of the second tube body 4 leaking outward by adjusting the adjusting knob of the valve core structure, so as to control the release speed of the pressure, and further adjust the separation time of the upper rocket body and the lower rocket body;

[0027] The upper end of the second pipe body 4 is provided with an inner thread 401, which is connected with the outer thread 202 arranged on the middle section of the outer wall of the first sealing joint 2; and the inner wall of the upper end of the second pipe body 4 is further provided with a step surface 402, which is in abutment with the hose 3 connected with the lower end of the outer wall of the first sealing joint 2 after expansion, so as to realize sealing.

[0028] The outer wall of the upper end of the first pipe body 1 is provided with a thickened section 11, and the outer wall of the thickened section 11 is provided with a first sealing ring groove 101 and is installed with a sealing ring so as to be sealingly connected with the upper rocket body; Fig. 2 、 Fig. 3 As shown in the drawings, in the embodiment, the upper end of the first pipe body 1 is lockingly connected with the bottle mouth of the upper rocket body 6 through a bottle cap with a hole, and the outer wall of the thickened section 11 of the upper end of the first pipe body 1 is sealingly connected with the inner wall of the bottle mouth; similarly, the outer wall of the upper section of the first sealing joint 2 is provided with a second sealing ring groove 203 for installing a sealing ring to realize sealing with the bottle mouth of the lower rocket body 7, and the first sealing joint 2 and the bottle mouth of the lower rocket body 7 are also lockingly sealed through another bottle cap with a hole; the outer wall of the one-way valve 31 is provided with a clamp groove 311, which is connected with the inner wall of the hose 3 and is clamped through a clamp;

[0029] As shown in the drawings, Fig. 2 、 Fig. 3 The application further provides a water rocket, which comprises an upper rocket body 6 and a lower rocket body 7, and comprises the above-mentioned adjustable delay air separation device; wherein the upper end of the first pipe body 1 is sealingly connected in the interior of the upper rocket body 6, and the lower end thereof extends downwardly and outwardly, is inserted into the first sealing joint 2 and extends into the interior of the hose 3; the inner wall of the hose 3 is expandedly connected with the outer wall of the first pipe body 1 due to elasticity, so as to generate a certain holding force on the first pipe body 1; the first sealing joint 2 is sealingly and fixedly connected at the upper end of the lower rocket body 7, the upper end of the second pipe body 4 is connected with the outer thread 202 of the first sealing joint 2, the second pipe body 4 is located in the interior of the lower rocket body 7 as a whole, and the hose 3 and the one-way valve 31 at the lower end thereof are located in the interior of the second pipe body 4 as a whole; the upper rocket body 6 and the lower rocket body 7 are connected through the insertion and expansion of the first pipe body 1, the first sealing joint 2 and the hose 3.

[0030] When being inflated, the airflow first fills the lower rocket body 7, when the air pressure in the lower rocket body 7 reaches a certain pressure, the second pipe body 4 is inflated through the inlet and outlet air regulating valve 41 connected at the lower end of the second pipe body 4, when the air pressure in the interior of the second pipe body 4 reaches a certain pressure, the hose 3, the interior of the first pipe body 1 and the interior of the upper rocket body 6 which are in communication with the interior of the hose 3 are inflated through the one-way valve 31; until the pressure in the interiors of the lower rocket body 7, the second pipe body 4 and the upper rocket body 6 reaches equilibrium;

[0031] After the inflation is completed, the launching is carried out. When the launching is carried out, the pressure in the lower rocket body 7 is rapidly released to generate upward inflation to make the whole rocket body lift off. In the process of lifting off, the pressure in the lower rocket body 7 is reduced. Due to the adjustability of the inlet and outlet air regulating valve 41 at the lower end of the second pipe body 4, the speed of the air pressure reduction in the second pipe body 4 is controllable. Only when the air pressure in the second pipe body 4 is reduced to a certain degree, the pressure in the upper rocket body 6 is greater than the pressure outside the hose 3 and the pressure difference between the two is sufficient to make the hose 3 expand outward to overcome the holding force of the hose 3 on the first pipe body 1, the first pipe body 1 connected with the upper rocket body 6 can break away from the restraint of the hose 3, so that the first pipe body 1 is separated from the hose 3 and the first sealing joint 2, thereby realizing the separation of the upper rocket body 6 and the lower rocket body 7 and further lifting off the upper rocket body 6.

[0032] In summary, the separator and water rocket of the present application can realize the controllable speed of pressure release in the sealed space of the second pipe body 4 component and its inlet and outlet air regulating valve 41, and further can control the time of the separation of the two-stage rocket, so as to realize the delayed separation of the two-stage rocket, control the separation at a better flight height and time, and realize a better simulation experiment effect.

[0033] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, but the present application is not limited thereto. Various modifications and improvements can be made by those skilled in the art without departing from the spirit and essence of the present application, and these modifications and improvements are also regarded as the protection scope of the present application.

Claims

1. An adjustable time-delay air-separator for air separation of a multi-stage water rocket body, characterized in that: The separator includes: A first tube that can communicate with the interior of the upper-level arrow body and extends downwards, through which air is pumped into the interior of the upper-level arrow body; A first sealing joint can be installed at the top of the lower stage arrow body. The first sealing joint has a first channel inside that connects the inside and outside of the lower stage arrow body. A hose is sealed to the lower end of the first sealing joint. A one-way valve is connected to the lower end of the hose. The first tube body is inserted from the upper end of the first channel of the first sealing joint and extends into the hose body. The diameter of the hose body is smaller than the outer diameter of the first tube body to form an expansion joint. A second tube body is connected to the first sealing joint and houses the hose and one-way valve therein, the lower end of which is connected to an inlet / outlet regulating valve.

2. The adjustable time-delay air-to-air separator according to claim 1, characterized in that: The air intake direction of the one-way valve is from the outside of the hose to the inside of the hose.

3. The adjustable time-delay air-to-air separator according to claim 1, characterized in that: The inlet and outlet air regulating valve is connected to the second pipe body through a second sealing joint. The second sealing joint has a through second channel, and the lower end of the second channel is connected to the inlet and outlet air regulating valve.

4. The adjustable time-delay air-to-air separator according to claim 3, characterized in that: A glue groove is provided between the outer wall of the second sealing joint and the inner wall of the lower end of the second pipe body, and a sealed and fixed connection is formed by curing with glue.

5. The adjustable time-delay air-to-air separator according to claim 1 or 3, characterized in that: The inlet and outlet air regulating valve has a valve core structure, and the speed at which the airflow leaks outward from inside the second tube can be adjusted by adjusting the adjusting knob of the valve core structure.

6. The adjustable time-delay air-to-air separator according to claim 1 or 3, characterized in that: The upper end of the second tube is provided with an internal thread, which is connected to the external thread provided in the middle section of the outer wall of the first sealing joint; and the inner wall of the upper end of the second tube is also provided with a stepped surface, which abuts against the hose connected to the lower end of the outer wall of the first sealing joint after expansion.

7. The adjustable time-delay air-to-air separator according to claim 1, characterized in that: The upper end of the first tube has a thickened section on its outer wall. The outer wall of the thickened section is provided with a first sealing ring groove and a sealing ring is installed to seal with the upper-stage arrow body. Similarly, the upper section of the outer wall of the first sealing joint is provided with a second sealing ring groove and a sealing ring is installed to seal with the lower-stage arrow body.

8. A water rocket, comprising an upper stage and a lower stage, characterized in that: It includes an adjustable time-delay air separator as described in any one of claims 1-7; wherein, the upper end of the first tube is sealed and connected to the inside of the upper stage rocket body, and the lower end extends downward, is inserted into the first sealing joint and extends into the inside of the hose, and the inner wall of the hose expands and connects with the outer wall of the first tube due to elasticity, generating a certain clamping force on the first tube body; the first sealing joint is sealed and fixedly connected to the upper port of the lower stage rocket body, the upper end of the second tube is threadedly connected to the outer wall of the first sealing joint, the second tube body is located entirely inside the lower stage rocket body, and the hose and its lower one-way valve are located entirely inside the second tube body; the upper stage rocket body and the lower stage rocket body are connected by the insertion and expansion of the first tube body, the first sealing joint and the hose.

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