CN115709804A - Multi-parachute connecting structure and parachute opening method - Google Patents

Abstract

A multi-parachute connecting structure and a parachute opening method relate to the field of parachutes. Many parachute connection structure includes a plurality of parachute canopy and with the binding off area of parachute canopy one-to-one, every binding off area slides and runs through to corresponding in the parachute canopy and stretch out after extending preset length along its outer periphery, the both ends of every binding off area all with the end connection of adjacent binding off area, the part that the binding off area stretches out the parachute canopy uses the powerful rope to sew up the folding section of breaking the suture department and extension when forming the atress. The multi-parachute connecting structure and the parachute opening method can enable a multi-parachute system consisting of a plurality of parachute canopy to be inflated and unfolded synchronously, enable the unfolding process of each parachute to be slowed down, enable the parachute to have sustainability, and effectively reduce the impact force of parachute opening.

Description

Multi-parachute connecting structure and parachute opening method

Technical Field

The application relates to the field of parachutes, in particular to a multi-parachute connecting structure and a parachute opening method.

Background

At present, each parachute in the existing multi-parachute system is connected with the top of each parachute only through a traction parachute, the top of each parachute is dragged through the parachute during air drop for inflation, each parachute is packaged by using an independent parachute pack respectively during packaging, the parachute clothes are placed in the independent parachute packs after being folded, the parachute clothes are pulled out from the parachute packs to be unfolded and inflated during parachute opening, parachute rope ends among the parachutes are simultaneously connected to the air drop article fixed end of the air drop system, and the parachute opening procedure of the multi-parachute system is controlled in a mode of independently closing the multi-parachute.

Therefore, there is a need for a parachute system and a parachute opening method that can inflate and deploy a plurality of parachute coats simultaneously.

Disclosure of Invention

The application aims to provide a multi-parachute connecting structure and a multi-parachute opening method, which can enable a multi-parachute system consisting of a plurality of parachute coats to be inflated and unfolded synchronously, slow down the unfolding process of each parachute to have continuity, and can effectively reduce the impact force of parachute opening.

The embodiment of the application is realized as follows:

the embodiment of the application provides many parachutes connection structure, it includes a plurality of parachute canopy and with the binding off area of parachute canopy one-to-one, every binding off area slides and runs through to corresponding in the parachute canopy and stretch out after the length is predetermine in its periphery extension, the both ends in every binding off area all with the end connection in adjacent binding off area, the folding section of breaking the suture department and extension when the part that the binding off area stretches out the parachute canopy uses the powerful rope to sew up and form the atress.

In some alternative embodiments, the cinch strap extends along the outer perimeter of the corresponding parachute canopy from 1/2 to 2/3 of its perimeter.

In some optional embodiments, two ends of the closing-in belt are respectively connected with a one-way elastic sheet, and the one-way elastic sheets are used for moving along with the closing-in belt and extending out of the parachute canopy in a one-way mode.

In some optional embodiments, the distance between the two unidirectional elastic sheets along the closing-in belt is greater than or equal to the length of the closing-in belt extending along the outer periphery of the corresponding parachute canopy.

In some alternative embodiments, a plurality of parachute canopies are arranged circumferentially.

In some alternative embodiments, the portion of the cinch strap extending beyond the parachute canopy is stitched to the plurality of folded sections by a strength cord.

The application also provides a multi-parachute opening method of the multi-parachute connecting structure, which comprises the following steps:

a traction umbrella is connected with a plurality of parachute canopies and then placed in the parachute bag;

when the parachute is opened, the traction parachute is used for traction each parachute canopy, the part of each parachute canopy, which does not penetrate into the corresponding closing-in belt, is inflated and unfolded, air flows into the part of each parachute canopy, which penetrates into the corresponding closing-in belt, is inflated and unfolded, each closing-in belt is stretched, the strong rope sewn at the folding section of each closing-in belt is pulled to break and extend under the force, and the parachute canopies are unfolded and inflated until the parachute is completed.

The beneficial effect of this application is: the application provides a many parachutes connection structure includes a plurality of parachute canopy and with the binding off area of parachute canopy one-to-one, every binding off area slides and runs through to corresponding in the parachute canopy and stretch out after the length is predetermine in its periphery extension, the both ends in every binding off area all with the end connection in adjacent binding off area, the folding section of the department of sewing up and extension is broken when the part that the binding off area stretches out the parachute canopy uses powerful rope to sew up and forms the atress. The multi-parachute connecting structure and the parachute opening method can enable a multi-parachute system consisting of a plurality of parachute canopy to be inflated and unfolded synchronously, enable the unfolding process of each parachute to be slowed down, enable the parachute to have sustainability, and effectively reduce the impact force of parachute opening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a method for opening a multi-parachute connecting structure according to an embodiment of the present invention before deployment;

FIG. 2 is a schematic structural view of an opening method of a multi-parachute connecting structure according to an embodiment of the present invention when deployed;

FIG. 3 is a schematic structural view of a multi-parachute connection structure according to an embodiment of the present invention;

fig. 4 is a partial structural view of a closing-in band of the multi-parachute connection structure according to the embodiment of the present application.

In the figure: 100. a parachute canopy; 101. restraining the canopy; 102. free umbrella clothes; 110. a closing band; 120. a strong rope; 130. a folding section; 140. a one-way spring plate; 200. a traction umbrella.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the product of the application is conventionally placed in use, and are used only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and properties of the multi-parachute connection structure and the multi-parachute opening method of the present application will be described in further detail with reference to the following embodiments.

As shown in fig. 1, 2, 3 and 4, an embodiment of the present application provides a multi-parachute connecting structure, which includes three parachute canopies 100 arranged along a circumferential direction and closing belts 110 corresponding to the parachute canopies 100 one by one, each closing belt 110 slidably penetrates into the corresponding parachute canopy 100 and extends out along a constraint canopy 101 at an outer periphery thereof, a portion of the parachute canopy 100 not penetrating into the closing belt 110 is a free canopy 102, the length of the outer periphery of the constraint canopy 101 is 2/3 of the circumference of the parachute canopy 100, both ends of each closing belt 110 are connected to ends of two adjacent closing belts 110, and portions of the closing belts 110, which extend out of the parachute canopy 100, are sewn by a strength cord 120 to form a folding section 130 that is broken and extended when a force is applied; two ends of the closing band 110 are respectively connected with a one-way shrapnel 140, the one-way shrapnel 140 is used for moving along with the closing band 110 and extending out of the parachute canopy 100 in a one-way mode, and the distance between the two one-way shrapnels 140 along the corresponding closing band 110 is equal to 2/3 of the circumference of the parachute canopy 100.

As shown in fig. 1, 2, 3 and 4, the present application also provides an parachute opening method of the above-mentioned multi-parachute connection structure, comprising the steps of:

the traction parachute 200 is used for connecting three parachute canopies 100 and then is placed in the parachute package, so that two one-way elastic sheets 140 on each closing-in band 110 are accommodated in the constraint canopies 101 of the corresponding parachute canopies 100, the constraint canopies 101 of the three parachute canopies 100 are folded, then the parts, extending out of the parachute canopies 100, of the two ends of each closing-in band 110 are bent and then sewn through the strong ropes 120 to form folding sections 130, the two ends of each closing-in band 110 are connected with the end parts of two adjacent closing-in bands 110, and the parachute ropes of the three parachute canopies 100 are connected with objects to be put in to finish putting preparation;

when the parachute is opened after air drop, the traction parachute 200 is pulled out of the parachute pack, the traction parachute 200 is used for traction each parachute canopy 100, the part, which does not penetrate into the free parachute canopy 102 corresponding to the closing band 110, of each parachute canopy 100 is inflated and unfolded firstly, air flow flows into each parachute canopy 100 through the free parachute canopy 102 and penetrates into the part, which corresponds to the restraining parachute canopy 101, of each closing band 110 to be inflated and unfolded, each closing band 110 is stretched in the process of restraining the parachute canopy 101 to enable the strong rope 120, which is sewn by the parts, extending out of the parachute canopy 100, of the two ends of each closing band 110 to be stressed to stretch and break, the folding section 130 is stretched and unfolded until the restraining parachute canopy 101 and the free parachute canopy 102 of each parachute canopy 100 are unfolded and inflated and unfolded, in the process of unfolding of the parachute canopy 100, the two unidirectional elastic sheets 140 connected to the two ends of each closing band 110 slide to the outside of the restraining parachute canopy 101 of the parachute canopy 100 along with the closing bands 110 in the forward direction, and at the two unidirectional elastic sheets 140 connected to be clamped and restrained outside the parachute canopy 100 cannot retract due to the elastic sheets of the restraining parachute canopy 101.

In other alternative embodiments, the folding portion 130 may be formed by bending the portions of the two ends of the closing band 110 extending out of the parachute canopy 100 and then connecting the bent portions by using glue or velcro.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (7)

1. The utility model provides a many parachutes connection structure, its characterized in that, its include a plurality of parachute canopy and with the binding off area of parachute canopy one-to-one, every the binding off area slides and runs through to corresponding stretch out after the length is predetermine in the parachute canopy and along its periphery extension, every the both ends in binding off area all with adjacent the end connection in binding off area, the binding off area stretches out the folding section of breaking the suture department and extension when the part of parachute canopy uses powerful rope to sew up the formation atress.

2. The multi-parachute connection structure of claim 1, wherein the cinch strap extends along a circumference corresponding to the outer circumference of the parachute canopy by 1/2 to 2/3 of a circumference thereof and then protrudes.

3. A multi-parachute connection structure according to claim 1, wherein both ends of the closing-in band are respectively connected with a one-way elastic piece, and the one-way elastic pieces are used for moving along with the closing-in band to extend out of the parachute canopy in a one-way manner.

4. A multi-parachute connection structure according to claim 3, wherein a distance between the two one-way resilient pieces along the closing-in band is greater than or equal to an extension length of the closing-in band along an outer circumferential edge of the corresponding parachute canopy.

5. A multi-parachute connection structure of claim 1, wherein a plurality of the parachute canopies are arranged in a circumferential direction.

6. A multi-parachute connection structure according to claim 1, wherein the portions of the neckline extending out of the parachute canopy are sewn by a power cord to form the plurality of folded sections.

7. A method of opening a multi-parachute connecting structure according to any one of claims 1 to 6, comprising the steps of:

a traction umbrella is connected with a plurality of parachute canopies and then placed in the parachute bag;

use during the parachute-opening traction umbrella pulls each parachute canopy makes each the parachute canopy does not penetrate the part of corresponding closing up area and aerifys the expansion to make the air current flow in each the parachute canopy penetrates the part of corresponding closing up area and aerifys the expansion and stretch each the closing up area makes each the extension is broken to the power rope atress that the folding section of closing up area was sewed up, until each parachute canopy expandes to aerify and accomplishes.

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