TW201637939A - Coaxial two layer type parachute - Google Patents

Abstract

A coaxial two layer type parachute includes an inner air bag body and an outer cover, the inner air bag body and the outer cover are disposed coaxially, a bearing object is connected below the inner air bag body and the outer cover, helium is prefilled in the inner air bag body so as to produce a buoyant force, which makes the inner air bag body float to a proper height, when the inner air bag body floats to the proper height and the bearing object falls, the upward airflow of external air will enter into an air inflation space via an air intake of the outer cover so as to form another buoyant force, such that the outer cover will be opened completely without using complex opening steps.

Description

Coaxial two-layer parachute

The invention relates to a parachute structure, in particular to a coaxial two-layer parachute that can reach a fully open state without a sufficient height and a complicated opening step.

The parachute is an aerodynamic reducer applying the principle of air resistance, and is connected to a falling body through a connecting element, and can expand the wind blocking area during use to increase the motion resistance of the falling body, causing it to decelerate and stabilize it. The state of motion, whereby the landing body can be stably and safely landed on the ground.

However, the parachute used in the prior art must have a sufficient landing height when landing, so that the umbrella surface can be unfolded by the resistance generated by sufficient airflow disturbance, and the step of opening the umbrella is extremely complicated, and it is usually not easy to be trained without professional training. Operational.

Therefore, how to overcome the above-mentioned conventional parachute is a primary research and development subject of the present invention because of the complicated step of opening the umbrella and the need to have a sufficient landing height to fully unfold the umbrella surface.

The main object of the present invention is to provide a coaxial two-layered parachute that can be used without a specific height and that does not require a complicated opening step to achieve the full opening effect of the outer canopy.

To achieve the foregoing objective, the coaxial two-layer parachute of the present invention, the inner position of the inner inflatable balloon and the outer canopy of the parachute is disposed on a coaxial line, and the inner inflatable balloon system is disposed on the outer canopy And the other end of the limiting cord and the connecting cord connected to the inner layer of the inner inflatable balloon and the outer canopy are connected to the carrier; accordingly, the operation mode of the invention is that the helium gas is pre-filled in the The inner layer inflates the interior of the balloon and generates a buoyancy force, so that the inner inflatable balloon floats up to an appropriate height due to internal buoyancy, and the inner inflatable balloon floats upward and is connected to the inner inflatable bladder. When the carrier under the body and the outer umbrella cover is lowered, the upward airflow is inserted into the air-filled space of the outer canopy to form another buoyancy, so that the inside of the inflatable space of the outer canopy is completely opened due to the airflow. The umbrella state; accordingly, the parachute of the present invention can be used without a specific height, and the outer canopy can be completely opened without a complicated opening step.

Preferably, the outer layer of the inner inflatable balloon is provided with a plurality of flexible sheets, and the plurality of flexible sheet systems are connected to the inner side of the outer cover, and the function is to reduce the upward airflow and the lateral direction. The squeezing of the air stream causes the outer canopy to sway or deviate from the coaxial line with respect to the inner inflatable balloon.

Preferably, the bottom edge of the inner inflatable balloon is designed with a guiding portion, and the curved surface of the guiding portion can reduce the obstruction of the upward airflow into the air inlet, and has the advantage of guiding the airflow with high efficiency.

Preferably, the outer annular ring of the inner layer is provided with a plastic ring body, and the plastic ring system is connected to the bottom end of the outer cover, so that the bottom end of the outer cover of the flexible outer cover is more resistant to tension. strength.

Preferably, the outer canopy is formed with a slope which is tapered from top to bottom, so that the upward airflow acts on the inner and outer sides of the outer canopy to make the pressure more balanced, and the axially symmetric radial action acting on the outer side of the outer canopy The force can reduce the movement of the entire parachute before and after the landing.

Preferably, the molding ring system is provided with a plurality of air inlets.

10‧‧‧Parachute

20‧‧‧Inner inflatable capsule

21‧‧‧ Guidance Department

210‧‧‧ curved surface

22‧‧‧Limited rope

23‧‧‧Flexible sheet

30‧‧‧ outer cover

300‧‧‧Slope

31‧‧‧Inflatable space

32‧‧‧ bottom end

320, 51‧‧‧ inlet

33‧‧‧Discharge port

34‧‧‧Connecting rope

340‧‧‧Fixed ring

40‧‧‧ airflow

50‧‧‧plastic ring

T‧‧‧bearer

H‧‧‧ coaxial heart

F, F1‧‧‧ buoyancy

Figure 1 is a perspective view of the present invention.

Figure 2 is a schematic view (1) of the planar use of the present invention.

Figure 3 is a schematic view (2) of the planar use of the present invention.

4 is a perspective view of another embodiment of the present invention.

Figure 5 is a schematic view (1) of a planar use of another embodiment of the present invention.

Figure 6 is a schematic view (b) of a planar use of another embodiment of the present invention.

The technical features, contents, and advantages of the present invention, as well as the advantages thereof, can be understood by the present inventors, and the present invention will be described in detail with reference to the accompanying drawings. The subject matter is only for the purpose of illustration and description. It is not intended to be a true proportion and precise configuration after the implementation of the present invention. Therefore, the scope of the attached drawings and the configuration relationship should not be construed as limiting the scope of the invention. First described.

The present invention is a coaxial two-layer landing, as shown in FIG. 1, which has a parachute 10, the parachute 10 includes: an inner layer inflatable bladder 20, the inner layer of the inner inflatable bladder 20 is prefilled with a helium gas And the guide portion 21 is designed as a curved surface 210, and the bottom portion of the guide portion 21 is connected to a limit line 22, The other end of the limiting cord 22 is connected with a weighted carrier T; an outer canopy 30, the outer canopy 30 is wrapped around the inner inflatable balloon 20, and the outer canopy 30 is An inflatable space 31 is formed between the inner inflatable bladders 20, and a bottom end surface 32 is disposed at a position adjacent to the guiding portion 21 of the inner inflatable bladder 20 at the bottom of the outer covering 30, and the bottom end surface is provided. The 32-series is connected to the inner inflatable balloon 20 and is provided with a plurality of air inlets 320. The axis of the outer cover of the outer cover 30 is provided with a vent 33 and a plurality of connecting wires 34 are arranged at the bottom ring. The other end of the connecting cord 34 is connected to the carrier T, and the connecting cord 34 is looped to a fixing ring 340 adjacent to the carrier T.

The parachute 10 of the present invention is formed by the above-mentioned members. As shown in FIG. 2 and FIG. 3, the center position of the inner inflatable balloon 20 and the outer canopy 30 of the parachute 10 is disposed on the coaxial line H, and Since the inside of the inner inflatable bladder 20 is prefilled with helium gas to generate a buoyancy F, since the gas density of the helium gas is much smaller than the external air density, the buoyancy F generated inside the inner inflatable bladder 20 will The inner inflatable balloon 20 is floated up to an appropriate height, and when the carrier T connected to the inner inflatable balloon 20 and the outer canopy 30 is lowered, the external air upward flow 40 is derived from the The air inlet 320 of the outer canopy 30 enters the inside of the inflatable space 31 to form another buoyancy F1, so that the inside of the inflatable space 31 of the outer canopy 30 is completely opened by the airflow 40. At this time, the inner inflatable balloon 20 and the limit rope 22 and the connecting rope 34 connected to the outer cover 30 are straightened upwards, wherein the limit rope 22 can be straightened to allow the inner inflatable bag 20 to float in the air. Limiting the position of the center line H of the axis symmetry without swaying, according to which The force F is more accurately formed in the inner center of the inner inflatable bladder 20, in other words, the more the buoyancy F inside the inner inflatable bladder 20 is accurately applied to the center line H position, the more the inner inflatable bladder can be avoided. 20 Severe tilt due to inconsistent direction of force.

Further, when the inner inflatable bladder 20 is floated up by the internal buoyancy F, and the parachute 10 is lowered from a high altitude, the carrier T connected by the limiting rope 22 and the connecting cord 34 is further described. With the weight, the parachute 10 exhibits a free fall phenomenon when landing, and a plurality of airflows 40 in different directions are generated in the atmosphere. At this time, the bottom edge of the inner inflatable bladder 20 is designed to have a curved surface. The guiding portion 21 of the 210, through the curved surface 210, can guide most of the airflow 40 by the outer canopy 30 The air inlet 320 of the bottom end surface 32 enters the inside of the inflatable space 31 of the outer canopy 30 and forms the buoyancy F1 to assume a fully open state.

Therefore, the parachute 10 of the present invention does not need a certain height to be used, and the outer umbrella cover 30 can be completely opened without a complicated opening step, and the connecting rope connected to the bottom end of the outer cover 30 is further provided. The fixing ring 340 can be used for the purpose of limitation, so that the connecting ropes 34 are evenly spread to avoid overlapping or entanglement.

Moreover, please refer to FIG. 4, which is a perspective view of another embodiment of the present invention. The parachute 10 of the present invention comprises: an inner layer inflatable balloon 20, and the inner layer of the inner inflatable balloon 20 is prefilled with a helium gas. And a plurality of winding sheets 23 and a bottom end edge are provided with a guiding portion 21, and the guiding portion 22 is designed as a curved surface 210, and the guiding portion 21 is further configured. The bottom line is connected to a limit line 22, and the other end of the limit line 22 is connected with a weighted load T; an outer cover 30, the outer cover 30 covers the inner inflatable bag 20, An inflatable space 31 is formed between the outer canopy 30 and the inner inflatable balloon 20, and a shaft vent 33 is disposed at an axis symmetry angle of the top of the outer canopy 30, and the bottom of the outer canopy 30 is attached. The ring is provided with a plurality of connecting wires 34, the other end of which is connected to the carrier T, and the connecting wire 34 is looped to a fixing ring 340 adjacent to the carrier T; a rigid material shaped ring body 50, The molding ring body 50 is disposed between the inner layer inflatable capsule 20 and the bottom end of the outer layer umbrella cover 30, and the molding ring is Line 50 is provided with a plurality of gas inlet 51.

The parachute 10 of the present invention is formed by the above-mentioned members. As shown in FIG. 5 and FIG. 6 , the center position of the inner inflatable balloon 20 and the outer canopy 30 of the parachute 10 is disposed on the coaxial line H, and The inner inflatable balloon 20 is disposed in the inflatable space 31 of the outer canopy 30, and in the inner layer The plastic ring body 50 is connected between the outer side of the inflatable capsule 20 and the bottom of the outer cover 30, and the outer cover is wrapped around the inner cover by the rigid material of the molded ring 50. The capsules 20 are connected to each other, and the inner inflatable bladder 20 is connected to the inner side of the outer canopy 30 by a plurality of flexible sheets 23, so that the outer canopy 30 is evenly and stably expanded. After being stretched, the outer layer of the outer cover 30 forms an inclined surface 300 which is tapered from top to bottom.

Since the inside of the inner inflatable bladder 20 is prefilled with helium gas, a buoyancy F is generated, because the gas density of the helium gas is much smaller than the external air density, and thus the buoyancy generated inside the inner inflatable bladder 20 is generated. F will cause the inner inflatable balloon 20 to float upward to an appropriate height, and when the carrier T connected to the inner inflatable balloon 20 and the outer canopy 30 is lowered, the external air upward flow 40 will follow the trend. The air inlet 51 of the molded ring body 50 enters the inside of the inflatable space 31 to form another buoyancy F1, so that the inside of the inflatable space 31 of the outer canopy 30 is completely opened by the airflow 40.

It is worth mentioning that, in order to avoid the parachute 10 during the landing, the inner inflatable balloon 20 and the outer canopy 30 are affected by the airflow 40 from various directions, and the left and right sides are swayed back and forth, which is serious. The tilting causes a runaway fall, so that the inner inflatable bladder 20 is externally connected to the outer canopy 30 by a plurality of flexible sheets 23, so that the outer canopy 30 is stretched in a fixed configuration, and firmly Engaging with the inner inflatable bladder 20 maintains a radial equidistance throughout the circumference for ensuring that the air surface pressure acts uniformly on the exterior of the inner inflatable bladder 20 relative to the interior of the outer canopy 30 31 inside.

In summary, the coaxial two-layer parachute of the present invention does have the following effects:

In the first aspect, the inner layer inflatable capsule 20 is prefilled with the helium gas. Therefore, before the parachute 10 is officially dropped, the inner layer of the inner inflatable bladder 20 first generates buoyancy F and floats up to one. At an appropriate height, the limit rope 22 and the connecting cord 34 are straightened, and the inner inflatable bladder 20 is floated upward. After the appropriate height, the inside of the inflatable space 31 of the outer canopy 30 forms another buoyancy F1, and the inside of the inflatable space 31 of the outer canopy 30 is completely opened by the airflow 40, so the parachute of the present invention 10 can be used without a certain height, and does not require a complicated opening step to achieve the effect of fully opening the outer canopy 30.

Secondly, in the present invention, the inner inflatable bladder 20 and the outer canopy 30 are disposed on the coaxial core line H, so that the buoyancy F, F1 or the airflow 40 in the atmosphere and the air surface pressure act on it. On the surface, the inner inflatable bladder 20 and the outer canopy 30 can be kept in a concentric position, and a plurality of flexible sheets 23 are added, and the flexible sheet 23 is connected inwardly to the inner inflatable bladder. 20 and outwardly connecting the outer canopy 30, so that the inner inflatable balloon 20 and the outer canopy 30 are disposed on the coaxial core line H to form a mutual pinching effect, so the parachute 10 is in the process of landing. The layered inflatable bladder 20 and the outer layer canopy 30 do not cause excessive swaying deviations between the left and right and the front and rear directions, resulting in a runaway phenomenon of severe tilting or swaying.

At the third point, the air vent 33 is disposed at an axisymmetric angle of the top of the outer canopy 30, so that the airflow 40 can be evenly convected outwardly by the four air vents 33, so that the parachute 10 can be more inclined when landing. Smooth and reduce sloshing.

Fourthly, the outer canopy 30 has a tapered upper surface 300 from the top to the bottom, whereby the inclined surface 300 has a slope design, so that the airflow 40 from all directions in the atmosphere can be appropriately The ground guides upwardly on the inner and outer sides of the outer canopy 30, so that the outer canopy 30 can be more smoothly landed.

The fifth point is that the molded ring body 50 is made of an ultra-lightweight rigid material, so that the molded ring body 50 is not deformed in the folded or open state, because the Molded ring body 50 A plurality of air inlets 51 are provided to allow the airflow 40 in the atmosphere to uniformly and more efficiently enter the inflated space 31 inside the outer canopy 30 to generate an inflation effect.

In the above, the above embodiments and drawings are only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the present invention. It should be within the scope of the patent of the present invention.

10‧‧‧Parachute

20‧‧‧Inner inflatable capsule

21‧‧‧ Guidance Department

210‧‧‧ curved surface

22‧‧‧Limited rope

30‧‧‧ outer cover

32‧‧‧ bottom end

320‧‧‧ inlet

33‧‧‧Discharge port

34‧‧‧Connecting rope

340‧‧‧Fixed ring

T‧‧‧bearer

H‧‧‧ coaxial heart

Claims (8)

A coaxial two-layer parachute having a parachute comprising an inner inflatable balloon disposed on one of the coaxial core wires and an outer canopy; the inner inflatable balloon body is prefilled with a helium gas; the outer layer The inside of the umbrella cover is provided with an inflatable space, and the inner inflatable bag is covered by the inflatable space, and the bottom of the outer cover is provided with a bottom end adjacent to the guiding portion of the inner inflatable bag. And the bottom end surface is connected to the inner layer inflatable capsule and is provided with a plurality of air inlets. The coaxial two-layered parachute according to claim 1, wherein a plastic ring body is disposed between the inner layer inflatable capsule and the outer umbrella cover, and the plastic ring system surrounds the plurality of air inlets. The coaxial two-layered parachute according to claim 1, wherein the inner inflatable balloon outer ring is provided with a plurality of flexible sheets and the bottom end edge is designed with a guiding portion, and the other end of the flexible sheet Then connected to the inside of the outer umbrella cover, and the bottom of the guiding portion is connected with a limiting rope, and the other end of the limiting rope is connected with a load having a weight. The coaxial two-layered parachute according to claim 1, wherein an axisymmetric angle of the top of the outer canopy is provided with a venting opening, and a bottom connecting ring of the outer canopy is provided with a plurality of connecting ropes, and the plurality of connecting wires The tether is attached to a carrier having a weight. The coaxial two-layered parachute of claim 1, wherein the outer canopy is formed to have a slope that tapers from top to bottom. The coaxial two-layer parachute according to claim 2, wherein the plastic ring system is an ultra-lightweight rigid material. The coaxial two-layered parachute of claim 3, wherein the guiding portion is a curved surface design. A coaxial two-layered parachute as claimed in claim 4, wherein the connecting cord is looped to a retaining ring adjacent to the carrier position.