WO2023016023A1 - 一种降落伞 - Google Patents

一种降落伞 Download PDF

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Publication number
WO2023016023A1
WO2023016023A1 PCT/CN2022/093532 CN2022093532W WO2023016023A1 WO 2023016023 A1 WO2023016023 A1 WO 2023016023A1 CN 2022093532 W CN2022093532 W CN 2022093532W WO 2023016023 A1 WO2023016023 A1 WO 2023016023A1
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Prior art keywords
parachute
fixed
canopy
umbrella
umbrella body
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PCT/CN2022/093532
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English (en)
French (fr)
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孙梓扬
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孙梓扬
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Publication of WO2023016023A1 publication Critical patent/WO2023016023A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00—Parachutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00—Parachutes
    • B64D17/22—Load suspension
    • B64D17/24—Rigging lines

Definitions

  • the application belongs to the technical field of parachutes, in particular to a parachute.
  • the working principle of the parachute is that after the parachute is opened at a certain height, due to the action of the airflow and the inner wall of the umbrella, the umbrella body opens rapidly, and the descending speed continuously increases. With the continuous increase of air resistance, its descending speed decreases, and gradually reaches the equilibrium speed until a safe landing is achieved.
  • the parachute can be used in the military field and the civilian field, and the parachute in the civilian field can be used for high-altitude escape, and life protection can be realized in the event of an earthquake or fire.
  • Most of the parachutes used in the civilian field in the related art are relatively expensive, which far exceeds the consumption capacity of ordinary families and hinders its popularity.
  • Most of the civil parachutes in China are complicated in operation process, and the parachute opening process is slow, which cannot meet the escape requirements of ordinary people under emergency conditions.
  • the embodiment of the present application provides a parachute, which can quickly open the parachute and has a simple operation process, so as to solve the technical problems of high price, complicated operation and slow parachute opening in the related art.
  • an embodiment of the present application provides a parachute, which includes:
  • An umbrella body the umbrella body is spliced by 2N pieces of umbrella covers, and the umbrella body is in a hemispherical shape after being opened;
  • parachute cords There are N parachute cords, the two ends of the parachute cords are respectively fixed to the lower edges of the two opposite canopy covers, and the middle part of the parachute cords can be stretched away from the umbrella body to be fixed on the Escape personnel;
  • the support piece is made of glass fiber, the support piece is fixed on the lower edge of the umbrella body, the support piece extends along the lower edge of the umbrella body and is connected end to end to form a closed circle.
  • the number of the canopy is 12 pieces, the canopy has two symmetrical arc sides and the bottom edge connecting the two arc sides, each of the canopies
  • the covering space angle of clothing is 30 degrees.
  • the parachute also includes a connecting belt, the connecting belt is arranged at the seams of two adjacent canopies, and the lateral two sides of the connecting belt are respectively sewn to the two adjacent canopies. the canopy.
  • each connecting strap covers two butted seams, and the connecting straps connect four canopies by sewing.
  • the middle parts of a plurality of parachute cords are assembled into a fixed bundle, and a heat-shrinkable tube is provided outside the fixed bundle, and the part of the parachute cord outside the heat-shrinkable tube constitutes a fixed buckle, so
  • the above-mentioned fixing buckle is used for fixing on the escape personnel.
  • the two ends of the parachute are respectively fixed to the two ends of the connecting belt by sewing, and the umbrella rope, the connecting belt and the two adjacent canopies are fixed to each other by sewing .
  • the lower edge of the umbrella body is folded upwards and sewn to form a ring-shaped support cavity, the support member is passed through the support cavity, and the two ends of the support member pass through the connecting piece relatively fixed.
  • the connecting part is a metal round tube, and the two ends of the support part are inserted into the metal round tube from both sides with interference.
  • the parachute two adjacent pieces of the canopy are sprayed with different colors, and the canopy and/or the parachute and/or the connecting belt are made of high-strength nylon material.
  • the parachute provided by the application is provided with a support member supported by glass fiber at the lower end of the umbrella body.
  • the glass fiber has higher strength and better flexibility, so that the support member has a high support strength and can be bent arbitrarily, so that the parachute It is easy to store when not in use and does not take up space.
  • the parachute can be opened quickly and automatically when in use, reducing the acceleration time, and the overall strength is higher after opening, which improves safety.
  • the parachute provided by the application is simple in structure and low in cost, and is completely within the consumption capacity of ordinary families.
  • the parachute automatically opens when in use, without complicated operation steps, and is easy to operate.
  • Fig. 1 is the structural representation of the parachute that the embodiment of the present application provides;
  • Fig. 2 is a schematic structural view of the canopy of the parachute provided by the embodiment of the present application;
  • Fig. 3 is a splicing diagram of the canopy of the parachute provided by the embodiment of the present application.
  • Fig. 4 is a schematic structural view of the support of the parachute provided by the embodiment of the present application.
  • Fig. 5 is an enlarged view of A in Fig. 1 .
  • first, second, third, etc. may be used herein to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this document, first information may also be called second information, and similarly, second information may also be called first information.
  • first information may also be called second information, and similarly, second information may also be called first information.
  • second information may also be called first information.
  • the word “if” as used herein may be interpreted as “at” or “when” or “in response to a determination”.
  • the singular forms "a”, “an” and “the” are intended to include the plural forms as well, unless the context indicates otherwise.
  • step codes such as XX, XX, etc. are used, the purpose of which is to express the corresponding content more clearly and concisely, and does not constitute a substantive limitation on the order.
  • XX will be executed first and then XX, etc., but these should be within the protection scope of this application.
  • the embodiment of the present application provides a parachute, which is used in the civilian field, mainly for escape from high-rise buildings during earthquakes or fires.
  • the parachute includes an umbrella body 100, the umbrella body 100 is spliced by 2N canopy covers 101, and the umbrella body 100 is hemispherical after being opened; N number of umbrella ropes 200 are provided, and the two ends of the umbrella rope 200 are respectively fixed on the opposite
  • the lower edge of the two canopies 101 and the middle part of the umbrella rope 200 can be stretched away from the umbrella body 100 to be fixed on the escape personnel;
  • the lower edge, the support member 300 extends along the lower edge of the umbrella body 100 and connects end to end to form a closed circle.
  • the parachute provided by the present application is provided with a support member 300 supported by glass fiber at the lower end of the umbrella body 100, and the glass fiber has higher strength and better flexibility, so that the support member 300 has a high supporting strength and can be bent arbitrarily , so that the parachute is easy to store when not in use, does not take up space, and the parachute can be quickly and automatically opened when in use, reducing the acceleration time, and the overall strength is higher after opening, improving safety.
  • the umbrella body 100 is formed by splicing 8-16 pieces of umbrella covers 101 .
  • the number of canopies 101 included in the umbrella body 100 can be selected according to actual needs, which is not limited in this application.
  • the umbrella body 100 is spliced by 12 canopies 101 .
  • the umbrella body 100 is composed of 12 canopy covers 101 to improve the convenience of processing on the basis of ensuring the overall structural strength of the umbrella body 100 .
  • the single-piece canopy 101 is roughly triangular in shape with two curved sides.
  • the two arc-shaped sides of the canopy 101 are symmetrical, one end of the two arc-shaped sides intersects, and the other end of the two arc-shaped sides is connected through a bottom edge.
  • the angle of the space covered by each canopy 101 is 30 degrees.
  • the shape of the canopy 101 has curved sides, which can meet the requirements of the hemispherical shape of the umbrella body 100 after being opened.
  • the hemispherical umbrella body 100 has a relatively maximum drag coefficient, which can quickly slow down the descent speed and ensure the safety of landing.
  • two adjacent canopies 101 are fixed by a connecting belt 400
  • the connecting belt 400 is a cloth strip with a width of 2-4 cm.
  • the fixing principle of adjacent canopies 101 is as follows: fit one of the arc-shaped sides of two adjacent canopies 101 together, and ensure that the upper and lower ends of the canopy 101 are aligned; Fold twice to form a one-centimeter-wide seam area, cover the seam with the connecting belt 400, and cover the seam area on the left and right sides of the connecting cover; use adhesive tape to temporarily fix the two canopies 101 and the connecting belt 400; Machine stitching is used to sew the connecting strap 400 to the seam area of the two canopies 101 . In the above machine sewing process, preferably, the sewing stitches adopt Z-shaped stitching stitches.
  • the number of connecting straps 400 is half of that of the canopy 101 , and the length of the connecting straps 400 is more than twice the length of the arc side of the canopy 101 .
  • 2N canopies 101 are combined to form 2N seams, wherein every two seams are butted against each other, and the connecting belt 400 covers the two butted seams, and the connecting belt 400 connects the four canopies 101 to each other by sewing.
  • the 2N canopies 101 are connected to each other by the connecting belt 400 to form a complete umbrella body 100 .
  • the support member 300 is fixed at the lower end of the umbrella body 100 to increase the overall structural strength of the umbrella body 100 while shortening the opening time of the umbrella body 100 to improve safety.
  • the lower edge of the umbrella body 100 is folded up and sewn to form a ring-shaped support cavity, and the support member 300 is passed through the support cavity.
  • the front and rear ends of the support member 300 are relatively fixed by the connecting member 500 .
  • the connector 500 in this embodiment is a metal round tube
  • the inner diameter of the metal round tube is equal to or slightly smaller than the diameter of the support 300
  • the two ends of the support 300 are transitionally or interferingly inserted into the metal round tube.
  • the support member 300 is a support bar made of glass fiber material.
  • Glass fiber has the characteristics of high strength, high modulus and high flexibility. Its single fiber tensile strength is 2800MPa, and its elastic modulus is 86000MPa.
  • the overall structural strength of the umbrella body 100 can be significantly improved, and the umbrella body 100 can be quickly opened when in use, shortening the time for opening the umbrella.
  • the parachute 200 is fixed on the lower edge of the umbrella body 100 , and the end of the parachute 200 away from the umbrella body 100 is used to fix escape personnel.
  • There are N parachute cords 200 the two ends of the parachute cords 200 are respectively connected to the lower ends of the two opposite canopies 101, and the middle part of the parachute cords 200 is fixed on the body of the escapee.
  • the two ends of the parachute 200 are preferably fixed at the seams of the two opposite canopies 101, and the parachute 200 covers the two ends of the connecting band 400, the parachute 200, the connecting band 400 and the two adjacent canopies 101 realize mutual fixation by suturing.
  • the middle part of the parachute 200 and the part of the parachute 200 away from the umbrella body 100 are assembled into a fixed bundle, and a heat shrinkable tube 600 is provided outside the fixed bundle.
  • the heat-shrinkable tube 600 stores the N parachute cords 200 into a bundle, which is convenient for fixing the parachute cords 200 on the body of the escaped person, and at the same time ensures the uniformity of the tension on the parachute body 100 .
  • the part of the parachute 200 outside the heat-shrinkable tube 600 forms a fixing buckle 201, and the fixing buckle 201 is used to be fixed on the body of the escaped person.
  • the test weight 700 is used to simulate the escape personnel, and the test weight 700 is provided with a protruding fixing part 701 , and the fixing buckle 201 is fastened to the fixing part 701 on the test weight 700 .
  • the length of the parachute 200 is generally set to be 2 to 4 times the diameter of the parachute body 100 .
  • the value of the length S of the umbrella rope 200 fixed on the canopy 101 can be selected according to the diameter D of the umbrella body 100.
  • the sewing length S is preferably larger.
  • the diameter of the body is 100, and the suture length S is desirable to be smaller.
  • the diameter D of the umbrella body 100 is 2.5m
  • the suture length S is 9% of D
  • two adjacent canopies 101 are sprayed with different colors, for example, two adjacent canopies 101 are sprayed with blue and red respectively.
  • the canopy 101 is made of high-strength nylon material to reduce the overall cost while ensuring safety, so that ordinary wage earners can afford it.
  • the umbrella rope 200 and the connecting belt 400 are also made of the same high-strength nylon material as the canopy 101 .

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Emergency Lowering Means (AREA)

Abstract

公开了一种降落伞，其包括：伞体(100)，伞体(100)由2N片伞衣拼接而成，伞体(100)张开后呈半球形状；伞绳(200)，设置有N个，伞绳(200)的两端分别固定于相对的两片伞衣的下边缘，伞绳(200)的中部能够朝向远离伞体(100)的方向拉伸以固定于逃生人员；支撑件(300)，由玻璃纤维制造而成，支撑件(300)固定于伞体(100)的下边缘，支撑件(300)沿伞体(100)的下边缘延伸并首尾连接形成闭合的圆环形。该降落伞具有支撑件(300)，支撑件(300)采用强度高且柔韧性好的玻璃纤维制成，使得降落伞便于收纳且开伞迅速，并且张开后整体强度高，安全性高。降落伞结构简单，操作简单且成本低，便于普通民众消费和使用。

Description

一种降落伞
相关申请的交叉引用
本申请要求享有于2021年08月10日提交的名称为“一种降落伞”的中国专利申请202110915658.5的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请属于降落伞技术领域，尤其涉及一种降落伞。
背景技术
降落伞的工作原理是在一定高度降落伞打开后，由于气流与伞体内壁作用，伞体迅速张开，下降速度不断增大。随着空气阻力的不断增大，其下降速度减小，逐渐达到平衡速度，直至实现安全着陆。
降落伞可用于军事领域及民用领域，民用领域的降落伞可用于高空逃生，在地震或者火灾情况下实现生命保护。相关技术中应用于民用领域的降落伞大多价格较高，远远超出了一般家庭的消费能力，阻碍了其普及程度，另一方面，由于降落伞的特殊性，操作降落伞需要较高的技巧，相关技术中的民用降落伞大多操作过程复杂，开伞过程缓慢，不能够满足紧急条件下一般人的逃生要求。
发明内容
本申请实施例提供一种降落伞，其能够快速开伞，操作过程简单，以解决相关技术中的降落伞存在的价格昂贵、操作复杂和开伞较慢的技术问题。
为达到上述目的，本申请实施例提供一种降落伞，其包括：
伞体，所述伞体由2N片伞衣拼接而成，所述伞体张开后呈半球形状；
伞绳，设置有N个，所述伞绳的两端分别固定于相对的两片所述伞衣的下边缘，所述伞绳的中部能够朝向远离所述伞体的方向拉伸以固定于逃生人员；
支撑件，由玻璃纤维制造而成，所述支撑件固定于所述伞体的下边缘，所述支撑件沿所述伞体的下边缘延伸并首尾连接形成闭合的圆形。
作为一种降落伞的优选方案，所述伞衣的数量为12片，所述伞衣具有对称的两个弧形侧边及连接两个所述弧形侧边的底边，每个所述伞衣的覆盖空间角度为30度。
作为一种降落伞的优选方案，所述降落伞还包括连接带，所述连接带设置于相邻两个所述伞衣的接缝处，所述连接带的横向两侧分别缝合于相邻的两个所述伞衣。
作为一种降落伞的优选方案，所述连接带设置有N个，每个所述连接带覆盖相对接的两个所述接缝，所述连接带通过缝合将四个所述伞衣连接。
作为一种降落伞的优选方案，多个所述伞绳的中部集结成固定束，所述固定束外套设有热缩管，所述热缩管外侧的所述伞绳部分构成固定扣，所述固定扣用于固定于逃生人员。
作为一种降落伞的优选方案，所述伞绳的两端分别通过缝合固定于所述连接带的两端，所述伞绳、所述连接带和相邻两个所述伞衣通过缝合相互固定。
作为一种降落伞的优选方案，所述伞绳的长度L、所述伞绳固定于所述伞衣上的长度为S和所述伞体的直径满足如下关系：L＝2.25*(D+S)。
作为一种降落伞的优选方案，所述伞体的下边缘向上翻折并缝合形成有环形的支撑腔，所述支撑件穿设于所述支撑腔内，所述支撑件的两端通过连接件相对固定。
作为一种降落伞的优选方案，所述连接件为金属圆管，所述支撑件的两端分别从两侧过盈插装于所述金属圆管内。
作为一种降落伞的优选方案，相邻两片所述伞衣喷涂不同的颜色，所述伞衣和/或所述伞绳和/或所述连接带由高强度尼龙材料制成。
本申请的有益效果如下。
本申请提供的降落伞在伞体的下端设置有玻璃纤维支撑的支撑件，玻璃纤维具有较高的强度和较好的柔韧性，使得支撑件具有很高的支撑强度且能够任意弯曲，使得降落伞在不使用时便于收纳，不占用空间，降落伞在使用时能够迅速自动张开，减少加速时间，且张开后整体强度更高，提高安全性。
并且本申请提供的降落伞结构简单，成本低廉，完全在普通家庭的消费能力范围内，该降落伞在使用时自动张开，无需复杂的操作步骤，便于操作。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单的介绍，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的降落伞的结构示意图；
图2是本申请实施例提供的降落伞的伞衣的结构示意图；
图3是本申请实施例提供的降落伞的伞衣的拼接示意图；
图4是本申请实施例提供的降落伞的支撑件的结构示意图；
图5是图1中A处的放大图。
图中标示如下
100、伞体；101、伞衣；200、伞绳；201、固定扣；300、支撑件；400、连接带；500、连接件；600、热缩管；700、实验重物；701、固定部。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本 申请的一些方面相一致的装置和方法的例子。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素，此外，本申请不同实施例中具有同样命名的部件、特征、要素可能具有相同含义，也可能具有不同含义，其具体含义需以其在该具体实施例中的解释或者进一步结合该具体实施例中上下文进行确定。
应当理解，尽管在本文可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本文范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语"如果"可以被解释成为"在……时"或"当……时"或"响应于确定"。再者，如同在本文中所使用的，单数形式“一”、“一个”和“该”旨在也包括复数形式，除非上下文中有相反的指示。应当进一步理解，术语“包含”、“包括”表明存在所述的特征、步骤、操作、元件、组件、项目、种类、和/或组，但不排除一个或多个其他特征、步骤、操作、元件、组件、项目、种类、和/或组的存在、出现或添加。此处使用的术语“或”和“和/或”被解释为包括性的，或意味着任一个或任何组合。因此，“A、B或C”或者“A、B和/或C”意味着“以下任一个：A；B；C；A和B；A和C；B和C；A、B和C”。仅当元件、功能、步骤或操作的组合在某些方式下内在地互相排斥时，才会出现该定义的例外。
应该理解的是，虽然本申请实施例中的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。而且，图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而 是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
需要说明的是，在本文中，采用了诸如XX、XX等步骤代号，其目的是为了更清楚简要地表述相应内容，不构成顺序上的实质性限制，本领域技术人员在具体实施时，可能会先执行XX后执行XX等，但这些均应在本申请的保护范围之内。
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
在后续的描述中，使用用于表示元件的诸如“模块”、“部件”或者“单元”的后缀仅为了有利于本申请的说明，其本身没有特定的意义。因此，“模块”、“部件”或者“单元”可以混合地使用。
如图1-5所示，本申请实施例提供一种降落伞，该降落伞用于民用领域，主要是用于在地震或者火灾时高层楼房的逃生。该降落伞包括伞体100，伞体100由2N片伞衣101拼接而成，伞体100张开后呈半球形状；伞绳200，设置有N个，伞绳200的两端分别固定于相对的两片伞衣101的下边缘，伞绳200的中部能够朝向远离伞体100的方向拉伸以固定于逃生人员；支撑件300，由玻璃纤维制造而成，支撑件300固定于伞体100的下边缘，所述支撑件300沿所述伞体100的下边缘延伸并首尾连接形成闭合的圆形。
本申请提供的降落伞由于在伞体100的下端设置有玻璃纤维支撑的支撑件300，玻璃纤维具有较高的强度和较好的柔韧性，使得支撑件300具有很高的支撑强度且能够任意弯曲，使得降落伞在不使用时便于收纳，不占用空间，降落伞在使用时能够迅速自动张开，减少加速时间，且张开后整体强度更高，提高安全性。
可选地，伞体100由8～16片伞衣101拼接而成。伞体100所包括的伞衣101的数量可以根据实际需要具体选择，本申请不做限定。优选地，本实施例中，伞体100由12片伞衣101拼接而成。伞体100由12片伞衣101构成在保证了伞体100的整体结构强度的基础上提高了加工便利性。
如图2所示，单片伞衣101的形状呈具有两个弧形侧边的大致三角形。伞衣101的两个弧形侧边对称，两个弧形侧边的一端相交，两个弧形侧边的另一端通过底边相连。在伞体100张开后，每个伞衣101的覆盖空间角度为30度。伞衣101具有弧形侧边的形状能够满足伞体100张开后呈半球形的要求，半球形的伞体100具有相对最大的阻力系数，迅速减缓下降速度，保证降落的安全性。
如图3所示，相邻两片伞衣101通过连接带400实现固定，连接带400为宽度呈2～4cm的布条。相邻伞衣101的固定原理如下：将相邻两片伞衣101的其中一个弧形侧边贴合，且保证伞衣101的上下两端对齐；将伞衣101的弧形侧边向内翻折两次形成一厘米宽的缝接区，将连接带400覆盖于接缝上，连接盖的覆盖左右两侧的缝接区；利用胶带将两片伞衣101及连接带400暂时固定；采用机器缝合将连接带400缝合于两片伞衣101的缝接区。在上述机器缝合过程中，优选地，缝合的针脚采用Z形缝合针脚。
连接带400的数量为伞衣101的数量的一半，且连接带400的长度为伞衣101的弧形侧边长度的两倍多。2N片伞衣101组合形成2N条接缝，其中每两条接缝相互对接，连接带400覆盖相对接的两条接缝，连接带400通过缝合将四片伞衣101相互连接。2N片伞衣101通过连接带400相互连接后形成完整的伞体100。
如图4所示，支撑件300固定于伞体100的下端，用于增加伞体100的整体结构强度同时缩短伞体100张开时间，提高安全性。在伞体100的下边缘向上翻折并缝合形成有环形的支撑腔，支撑件300穿设于支撑腔内。支撑件300的首尾两端通过连接件500相对固定。
优选地，本实施例中连接件500选用金属圆管，金属圆管的内径等于或者略小于支撑件300的直径，支撑件300的两端过渡或者过盈插装于金属圆管中。
本申请中支撑件300选用玻璃纤维材料制成的支撑条，玻璃纤维具有高强度、高模量和高柔韧性的特点，它的单纤维抗拉强度为2800MPa，弹性模量为86000MPa。能够显著提高伞体100整体结构强度，在使用时迅速将伞体100张开，缩短开伞的时间。
如图1和图5所示，伞绳200固定于伞体100的下边缘，伞绳200远离伞体100的一端用于固定逃生人员。伞绳200设置有N条，伞绳200的两端分别连接于相对的两片伞衣101的下端，伞绳200的中部固定于逃生人员身上。伞绳200的两端优选地固定于相对的两个伞衣101的接缝处，且伞绳200覆盖于连接带400的两端，伞绳200、连接带400和相邻的两片伞衣101通过缝合实现相互固定。
伞绳200的中部及伞绳200远离伞体100的一部分集结成固定束，固定束外套设有热缩管600。热缩管600将N条伞绳200收纳成一束，便于将伞绳200固定于逃生人生身上，同时保证伞体100所受的拉力的均匀性。伞绳200身处于热缩管600外侧的部分形成固定扣201，固定扣201用于固定于逃生人员身上。本实施例中，采用实验重物700模拟逃生人员，在实验重物700上设置有凸出的固定部701，固定扣201扣结于实验重物700上的固定部701上。
为保证安全性，伞绳200的长度一般设置为伞体100直径的2～4倍。优选地，伞绳200的长度L、伞绳200固定于伞衣101上的长度为S和伞体100的直径满足如下关系：L＝2.25*(D+S)。其中，伞绳200固定于伞衣101上的长度S的值可根据伞体100的直径D具体选择，对于较大的伞体100直径D，缝合长度S可取的大一些，对于较小的伞体100直径，缝合长度S可取的小一些。如本实施例中，伞体100直径D为2.5m，缝合长度S取D的9％，则L＝2.25*(2.5+2.5*0.09)＝6.131m。
本实施例中，相邻两片伞衣101喷涂不同的颜色，如相邻两片伞衣101分别喷涂蓝色和红色。伞衣101采用高强度尼龙材料制成，以在保证安全性的同时降低整体成本，使普通工薪阶层能够消费得起。优选地，伞绳200和连接带400也选用与伞衣101相同的高强度尼龙材料。
以上所述，仅为本申请的具体实施方式，所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、模块和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。应理解，本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修 改或替换都应涵盖在本申请的保护范围之内。

Claims (10)

  1. 一种降落伞，包括：
    伞体(100)，所述伞体(100)由2N片伞衣(101)拼接而成，所述伞体(100)张开后呈半球形状；
    伞绳(200)，设置有N个，所述伞绳(200)的两端分别固定于相对的两片所述伞衣(101)的下边缘，所述伞绳(200)的中部能够朝向远离所述伞体(100)的方向拉伸以固定于逃生人员；
    支撑件(300)，由玻璃纤维制造而成，所述支撑件(300)固定于所述伞体(100)的下边缘，所述支撑件(300)沿所述伞体(100)的下边缘延伸并首尾连接形成闭合的圆形。
  2. 根据权利要求1所述的降落伞，其中，所述伞衣(101)的数量为12片，所述伞衣(101)具有对称的两个弧形侧边及连接两个所述弧形侧边的底边，每个所述伞衣(101)的覆盖空间角度为30度。
  3. 根据权利要求1所述的降落伞，其中，所述降落伞还包括连接带(400)，所述连接带(400)设置于相邻两个所述伞衣(101)的接缝处，所述连接带(400)的横向两侧分别缝合于相邻的两个所述伞衣(101)。
  4. 根据权利要求3所述的降落伞，其中，所述连接带(400)设置有N个，每个所述连接带(400)覆盖相对接的两个所述接缝，所述连接带(400)通过缝合将四个所述伞衣(101)连接。
  5. 根据权利要求1所述的降落伞，其中，多个所述伞绳(200)的中部集结成固定束，所述固定束外套设有热缩管(600)，所述热缩管(600)外侧的所述伞绳(200)部分构成固定扣(201)，所述固定扣(201)用于固定于逃生人员。
  6. 根据权利要求3所述的降落伞，其中，所述伞绳(200)的两端分别通过缝合固定于所述连接带(400)的两端，所述伞绳(200)、所述连接带(400)和相邻两个所述伞衣(101)通过缝合相互固定。
  7. 根据权利要求1所述的降落伞，其中，所述伞绳(200)的长度L、所述伞绳(200)固定于所述伞衣(101)上的长度为S和所述伞体(100) 的直径满足如下关系：L＝2.25*(D+S)。
  8. 根据权利要求1所述的降落伞，其中，所述伞体(100)的下边缘向上翻折并缝合形成有环形的支撑腔，所述支撑件(300)穿设于所述支撑腔内，所述支撑件(300)的两端通过连接件(500)相对固定。
  9. 根据权利要求8所述的降落伞，其中，所述连接件(500)为金属圆管，所述支撑件(300)的两端分别从两侧过盈插装于所述金属圆管内。
  10. 根据权利要求3所述的降落伞，其中，相邻两片所述伞衣(101)喷涂不同的颜色，所述伞衣(101)和/或所述伞绳(200)和/或所述连接带(400)由高强度尼龙材料制成。
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