CN202692835U

CN202692835U - Sudden jet boosting type launching rack for model rocket

Info

Publication number: CN202692835U
Application number: CN 201220372444
Authority: CN
Inventors: 叶健
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2013-01-23
Anticipated expiration: 2022-07-30

Abstract

The utility model provides a sudden jet boosting type launching rack for a model rocket. The launching rack comprises a model rocket launching platform. A sudden jet boosting hole is formed at the model rocket mounting position of the launching platform. The diameter of the sudden jet boosting hole is matched with the external diameter of a model rocket engine. The depth of the sudden jet boosting hole is matched with the extension length of the model rocket engine outside the tail part of the model rocket, or the sudden jet boosting hole is sealed by the tail part of the model rocket engine. According to the launching rack for the model rocket, the part, which extends from a rocket body of the model rocket, of the engine is inserted into the sudden jet boosting hole, explosion is caused by flame jetted by the engine in the narrow and small space of the sudden jet boosting hole, and explosive power provides strong thrust for the model rocket, so that the model rocket is blasted off to be higher from the launching platform at high initial velocity.

Description

A kind of launcher of rapid spray supercharging assisted model rocket

Technical field

The utility model relates to the teaching aid field, the launcher of the rapid spray supercharging assisted model rocket that a kind of model rocket that particularly uses in carrying out the Aero-Space teaching process uses when launching.

Background technology

Usually needing in the aerospace education process to carry out to the rocket launching of student's demonstrating model the centering student, and, also want instruction of papil to participate in the match of Aero-Space type, at present, middle school student participate in " fly to Beijing-fly to space " national teenager's Aero-Space model match, the model rocket MR of appointment-09A model is than the model that is made by the appearance and size 1:75 of first piece of guided missile-Dongfeng No. 1 of China contracting, the mode of match be adopt identical engine with this model rocket to air-launched, the result be rocket from fly to the time span that the rocket remains land, what the time was long wins.In order in the aerospace model match, to obtain good achievement, the design of rocket pod is crucial, at present, commonplace model rocket launcher generally comprises a flat pad of shelving the model rocket that is added with engine, model rocket is steadily emission on platform, after the igniting, the tail flame flame of engine sprays to platform, promote upwards emission of model rocket, at this moment, model rocket is started from scratch with initial velocity and is slowly accelerated lift-off, and existing emitter can not provide a larger initial velocity to model rocket, lift-off highly is restricted, affects games results.

In addition, for the transmit direction that guarantees model rocket is vertically upward, erect a guide rod at flat pad, model rocket is at the igniting emission initial stage, along upwards emission of guide rod, the speed that can guarantee the starting stage makes progress, continue upwards accelerated motion after being convenient to break away from launcher, but such model rocket launcher is owing to need to arrange a guide pipe in the rocket body cylinder section of model rocket, guide rod passes from guide pipe, when the model rocket emission is risen, drive guide pipe and move upward along guide rod, making the velocity attitude of model rocket before emission is vertically upward.But owing between guide pipe and the guide rod certain friction being arranged, although in process of the test, increased lubricating oil, the friction resistance that rising applies to model rocket is objective reality.

Summary of the invention

The purpose of this utility model is for solving guide rod in the present model rocket launcher when model rocket is launched, the deficiency that causes to give full play to the rocket engine function owing to the friction of guide pipe and guide rod, provide in a kind of launcher of model rocket model rocket to start from scratch with initial velocity and slowly accelerate lift-off, existing emitter can not provide a larger initial velocity to model rocket, lift-off highly is restricted, affect the deficiency of games results, a kind of launcher of rapid spray supercharging assisted model rocket is provided, utilize model rocket launcher that the utility model provides at the beginning of the model rocket igniting to larger initial velocity of model rocket.

The technical solution of the utility model is: a kind of launcher of rapid spray supercharging assisted model rocket, comprise the model rocket flat pad, on described flat pad, the model rocket installation place is provided with rapid spray pressurized hole, the diameter of described rapid spray pressurized hole and the external diameter of model rocket engine are complementary, and the length that the degree of depth of described rapid spray pressurized hole and model rocket engine stretch out the model rocket afterbody is complementary.

Further, in the launcher of above-mentioned rapid spray supercharging assisted model rocket: be provided with one group of four guide post at described flat pad, when described guide post is installed on the launcher at model rocket, be distributed between the empennage of model rocket.

Further, in the launcher of above-mentioned rapid spray supercharging assisted model rocket: be provided with the empennage holddown groove of laying the model rocket empennage at described flat pad, described empennage holddown groove and described rapid spray pressurized hole are isolated mutually; The launcher base is equipped with frame body fixing hole, can be fixed in easily on the tripod pan/tilt head of photography or shooting usefulness.

In the model rocket launcher of the present utility model, because engine is stretched out the partial insertion of model rocket rocket body in rapid spray pressurized hole, the flame of engine ejection moment in rapid spray pressurized hole narrow space sets off an explosion, explosive force is to larger thrust of model rocket, make model rocket after igniting, leave flat pad and just have a larger initial velocity, make model rocket rise De Genggao.

In addition, one preferably in the embodiment of the present utility model, because being provided with four guide posts has replaced an original guide post, the model rocket emission that can between four guide posts, make progress, do not rise on the guide post and do not need to utilize a guide pipe to be enclosed within, eliminated the friction between guide post and the guide pipe, had highlyer in the model rocket emission.

Below in conjunction with specific embodiment the utility model is done comparatively detailed description.

Description of drawings

Fig. 1 is the utility model embodiment 1 structure chart.

Among the figure: 1, flat pad, 2, guide post, 3, suddenly spray pressurized hole, 4, the empennage holddown groove, 5, the bottom fixing hole.

The specific embodiment

Embodiment 1, as shown in Figure 1, the present embodiment is in " fly to Beijing-fly to space " national teenager's Aero-Space model match, adopt model rocket to carry out the launcher of a kind of rapid spray supercharging assisted model rocket that space flight uses during the games, comprise that model rocket flat pad 1 is provided with one group of four guide post 2 at flat pad 1, when guide post 2 is installed on the launcher at model rocket, be distributed between the empennage of model rocket.Guide post 2 adopts carbon materials, because the hardness of carbon element bar own is larger, the length of guide post 2 is advisable with about 0.5 ~ 0.8 meter, the too short direction that the emission rate direction of model rocket can't be directed to vertically upward, if oversize, it is inconvenient again that general teenager installs model rocket.Guide post 2 adopts carbon materials in the present embodiment, because the hardness of carbon element bar own is larger, four are installed in guide post 2 on the flat pad 1 when 0.5 ~ 0.8 meter left and right sides, and the mutual alignment between each bar can not change, make model rocket when rising, constant to the guiding of model rocket.On flat pad 1, the model rocket installation place is provided with the rapid spray pressurized hole 3 of model rocket, the diameter of rapid spray pressurized hole 3 is suitable with the external diameter of model rocket engine, the degree of depth of rapid spray pressurized hole 3 is suitable with the length that model rocket engine stretches out the model rocket afterbody, in the present embodiment, the diameter of rapid spray pressurized hole 3 is 1cm, and the degree of depth is 0.5cm.Like this, when emission, when model rocket engine stretch out the model rocket afterbody partly or entirely extend into rapid spray pressurized hole 3 time, after lighting a fire, because rapid spray pressurized hole 3 coincide with engine, when igniting, can make the flame of engine moment ejection in 3 li blasts of rapid spray pressurized hole, make model rocket that a larger upwards initial velocity be arranged, realize model rocket is sprayed the supercharging boosting suddenly.Start function fully to extend in the rapid spray pressurized hole in order to guarantee in the present embodiment, be provided with the empennage holddown groove 4 of laying the model rocket empennage at flat pad 1, empennage holddown groove 4 is isolated mutually with rapid spray pressurized hole 3, like this, when igniting, flame just can not burn the model rocket empennage of plastic products.In addition, generally when carrying out the model rocket emission, the launcher of model rocket itself is to be shelved on the The Cloud Terrace or on the support, therefore, the launcher of the rapid spray supercharging assisted model rocket of the present embodiment also is placed on a The Cloud Terrace or the support, therefore, fixing hole 5 is fixed to whole model rocket launcher on The Cloud Terrace or the support bottom also being provided with on the flat pad 1.

Claims

1. the launcher of a rapid spray supercharging assisted model rocket, comprise the model rocket flat pad, it is characterized in that: on described flat pad (1), the model rocket installation place is provided with rapid spray pressurized hole (3), the diameter of described rapid spray pressurized hole (3) and the external diameter of model rocket engine are complementary, and the length that the degree of depth of described rapid spray pressurized hole (3) and model rocket engine stretch out the model rocket afterbody is complementary.

2. the launcher of rapid spray supercharging assisted model rocket according to claim 1, it is characterized in that: be provided with one group four guide posts (2) at described flat pad (1), described guide post (2) is distributed between the empennage of model rocket when model rocket is installed on the launcher.

3. the launcher of rapid spray supercharging assisted model rocket according to claim 2, it is characterized in that: be provided with the empennage holddown groove (4) of laying the model rocket empennage at described flat pad (1), described empennage holddown groove (4) and mutually isolation of described rapid spray pressurized hole (3).