CN107600431B - Umbrella top structure with umbrella on disc seam - Google Patents
Umbrella top structure with umbrella on disc seam Download PDFInfo
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- CN107600431B CN107600431B CN201710867900.XA CN201710867900A CN107600431B CN 107600431 B CN107600431 B CN 107600431B CN 201710867900 A CN201710867900 A CN 201710867900A CN 107600431 B CN107600431 B CN 107600431B
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- umbrella
- reinforcing
- circumferential
- umbrella top
- belt
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 166
- 230000005855 radiation Effects 0.000 claims abstract description 82
- 230000001965 increasing effect Effects 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Abstract
The invention discloses an umbrella top structure with an umbrella in a seam, which comprises an umbrella fabric (1), wherein an umbrella top hole is formed in the top end of the umbrella fabric (1), umbrella top circumferential reinforcing belts (2) are arranged along the edge of the umbrella top hole, a plurality of umbrella top radiation reinforcing belts (3) are uniformly arranged along the circumference of the umbrella top circumferential reinforcing belts (2), each umbrella top radiation reinforcing belt (3) is provided with a short reinforcing belt (6), a first circumferential reinforcing belt (4) and a second circumferential reinforcing belt (5) are arranged between the outer side of the umbrella top hole and the center of the umbrella top hole, and a third circumferential reinforcing belt (7) and a fourth circumferential reinforcing belt (8) are arranged at the inner side of the umbrella top hole and correspond to the positions of the first circumferential reinforcing belt (4) and the second circumferential reinforcing belt (5). The umbrella top structure with the umbrella is provided with four circles of circumferential reinforcing belts and short reinforcing belts, and the strength is increased in a mode of combining a plurality of belts into one belt, so that the limit function is achieved.
Description
Technical Field
The invention belongs to the technical field of parachutes, and particularly relates to a parachute roof structure with a parachute on a disc seam.
Background
The parachute is a tool for decelerating and safely landing when falling at high altitude, wherein the parachute with the disc seam is a parachute with excellent deceleration performance, has good stability, and can ensure the stable falling of a suspended object when in use. The excellent performance increases the application range, and in the field of deep space exploration, the umbrella with the disc seam has the irreplaceable application advantage, and the space exploration can not land and leave the deceleration effect of the umbrella with the disc seam.
The top of the common umbrella cloth disk with the umbrella seam is provided with an umbrella top hole, and when the umbrella is opened, the airflow flowing through the umbrella top hole is relatively large, so that the strength and the stress characteristic of the umbrella top hole are ensured, the umbrella top hole is reinforced by mutually staggered radiation reinforcing belts at the umbrella top hole, and the different radiation reinforcing belts cannot be sewn and fixed. The umbrella top with the umbrella is provided with a corresponding device according to the requirement, and under the conventional use condition, the umbrella top with the umbrella with the disc seam has enough strength to meet the use requirement and can be normally used.
However, if a device with a certain weight is required to be installed at the top of the disc seam belt umbrella, because the radiation reinforcing belts at the top of the umbrella are not fixed with each other, instability exists between the device installed at the top of the umbrella and the installation fixing point, the device can only be restrained from moving along the axial direction of the umbrella surface during installation and fixation, but can not be restrained from moving along the direction of the radiation reinforcing belts, so that the device can slide along a single radiation reinforcing belt away from the center of the top of the umbrella under the dual actions of overload and impact overload in the process of opening the umbrella, the single radiation reinforcing belt can bear the force of the whole device, meanwhile, the strength of the single radiation reinforcing belt is limited, the single radiation reinforcing belt is easily broken due to overlarge local stress, and the device is separated from the umbrella, so that the function of the parachute is affected. The breakage of the radiation reinforcing belt can also influence the use times or the service life, greatly influence the safety performance of the parachute, and cause the parachute body to be damaged at the parachute and even cause safety accidents. The strength of the radiation reinforcing belt is enhanced, and the prevention of the mounting device from sliding back and forth is one of the problems which are urgently needed to be solved in the field of the current sewing belt umbrella.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides an umbrella top structure with a disc seam umbrella, wherein a short reinforcing belt is added on a radiation reinforcing belt, so that the strength of the radiation reinforcing belt can be effectively increased, the radiation reinforcing belts are orderly sewn together, the stress condition of the radiation reinforcing belt can be effectively improved, two circles of circumference reinforcing belts are added on the radiation reinforcing belt, the device mounted on the umbrella top can be limited, and the stress of the radiation reinforcing belt on the umbrella top is uniform.
In order to achieve the above object, the present invention provides an umbrella top structure with a slit umbrella for enhancing the strength of a radiation reinforcing belt and limiting a device mounted on the slit umbrella, comprising a gore, wherein an umbrella top hole is formed at the top end of the gore, and an umbrella top circumferential reinforcing belt is arranged along the edge of the umbrella top hole for enhancing the strength of the edge of the umbrella top hole;
a plurality of umbrella top radiation reinforcing belts are uniformly arranged along the circumference of the umbrella top circumferential reinforcing belt, each umbrella top radiation reinforcing belt is perpendicular to the umbrella top circumferential reinforcing belt, and each umbrella top radiation reinforcing belt is provided with a short reinforcing belt for increasing the strength of the umbrella top radiation reinforcing belt;
the outside in umbrella top hole is between umbrella top circumference reinforcing strip with be equipped with first circumference reinforcing strip and second circumference reinforcing strip between the umbrella top hole centre of a circle, the inboard in umbrella top hole corresponds the position of first circumference reinforcing strip is equipped with the third circumference reinforcing strip, corresponds the position of second circumference reinforcing strip is equipped with the fourth circumference reinforcing strip, first, second, third and fourth circumference reinforcing strip be used for spacing to install in the device of umbrella top, strengthen simultaneously the structural strength of umbrella top radiation reinforcing strip.
Further, the number of the umbrella top radiation reinforcing belts in the umbrella top hole near the center of the circle is smaller than that of the umbrella top radiation reinforcing belts on the gore, and one umbrella top radiation reinforcing belt near the center of the circle is formed by overlapping a plurality of umbrella top radiation reinforcing belts and is used for increasing the strength of the umbrella top radiation reinforcing belts in the umbrella top hole.
Further, the radius of the first circumferential reinforcement band and the third circumferential reinforcement band is about one third of the radius of the crown circumferential reinforcement band.
Further, the length of the overlapping section of the umbrella top radiation reinforcing belt formed by overlapping a plurality of pieces is larger than the length of the diameter of the second circumference reinforcing belt.
Further, the distance between the first circumferential reinforcing band and the second circumferential reinforcing band is 10 to 20mm.
Further, the widths of the crown circumferential reinforcement band, the first circumferential reinforcement band, the second circumferential reinforcement band, the third circumferential reinforcement band, and the fourth circumferential reinforcement band are all the same.
Further, the short reinforcing belt is fixedly connected to the back of the umbrella top radiation reinforcing belt in a double-line mode.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the umbrella top structure with the umbrella in the disc seam, the short reinforcing belts are arranged at the back of each umbrella top radiation reinforcing belt to increase the strength of the radiation reinforcing belts, and four circles of circumference reinforcing belts are arranged in the umbrella top holes, so that the limiting effect is achieved, the stress state of the umbrella top with the umbrella in the disc seam can be effectively improved, the strength and the function of the umbrella in the disc seam are ensured, and the use cost of the parachute is effectively reduced.
(2) According to the umbrella top structure with the umbrella with the disc seam, the multi-strand radiation reinforcing belts in the umbrella top hole are combined into one strand, so that the strength of the umbrella top radiation reinforcing belts in the umbrella top hole is increased, and the phenomenon that the umbrella top radiation reinforcing belts are broken due to overlarge single stress to influence the safety performance of the umbrella with the disc seam is prevented.
(3) According to the umbrella top structure with the umbrella with the disc seam, the short reinforcing belts are sewn on the radiation reinforcing belts of each umbrella top in a double-line mode, so that the short reinforcing belts are firmly connected with the radiation reinforcing belts of the umbrella top, the strength of the radiation reinforcing belts is enhanced, and the practical service life of the umbrella with the disc seam is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art umbrella crown with a sewn umbrella;
FIG. 2 is a transverse cross-sectional view of a prior art sewn umbrella crown structure;
FIG. 3 is a schematic view of a top structure of a sewn umbrella according to an embodiment of the invention;
FIG. 4 is a transverse cross-sectional view of a top cover with an umbrella with a seam according to an embodiment of the invention.
In the drawings, like reference numerals designate like structures and elements throughout the several views, wherein: 1-gores, 2-crown circumferential reinforcement, 3-crown radiation reinforcement, 4-first circumferential reinforcement, 5-second circumferential reinforcement, 6-short reinforcement, 7-third circumferential reinforcement, 8-fourth circumferential reinforcement.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
FIG. 1 is a schematic diagram of a prior art umbrella crown with an umbrella sewn on a disk. FIG. 2 is a transverse cross-sectional view of a prior art sewn umbrella top. As shown in fig. 1 and 2, the umbrella crown structure with the umbrella in the seam comprises a gore 1, a crown circumferential reinforcing band 2, a crown hole is formed in the center of the gore 1, a plurality of crown radiation reinforcing bands 3 are arranged in the direction perpendicular to the crown circumferential reinforcing band, generally, the number of the radiation reinforcing bands with the umbrella in the seam is 24, 36 or 48, the crown radiation reinforcing bands 3 are uniformly distributed on the gore 1 and the crown hole, the crown circumferential reinforcing band 2 is arranged on the radiation reinforcing bands at the edge of the opening of the gore 1, and no fixed connection is arranged between the crown radiation reinforcing bands. When a device with a certain weight is arranged at the top of the disc-seam belt umbrella, a single radiation reinforcing belt can bear the force of the whole device, meanwhile, the strength of a single-layer radiation reinforcing belt is limited, and the single radiation reinforcing belt is easily broken due to overlarge local stress.
In order to solve the above problems, the present invention provides a new umbrella top structure of a sewn umbrella, and fig. 3 is a schematic diagram of an umbrella top structure of a sewn umbrella according to an embodiment of the present invention. FIG. 4 is a transverse cross-sectional view of a top cover with an umbrella with a seam according to an embodiment of the invention. As shown in fig. 3 and 4, the canopy structure of the sewn-on umbrella includes a gore 1, a canopy circumferential reinforcing band 2, a canopy radiation reinforcing band 3, and a short reinforcing band 6. The gore 1 is a main body structure of the parachute, forms the canopy of the whole parachute, the center of the gore 1 is provided with a gore top hole, the gore top hole is a circular hole, the gore 1 is provided with a plurality of radiation reinforcing belts which are perpendicular to the circumference, and the radiation reinforcing belts are uniformly distributed in the gore top hole and on the gore 1 in a crotch shape through the circle center of the parachute and are used for reinforcing the strength of the canopy of the parachute and preventing the parachute body from being damaged when falling at a high speed.
The radiation reinforcing belt positioned at the top part of the umbrella is an umbrella top radiation reinforcing belt 3, the back of each umbrella top radiation reinforcing belt is provided with a short reinforcing belt 6, the length of the short reinforcing belt 6 is larger than that of the umbrella top radiation reinforcing belt 3, the length of the short reinforcing belt 6 is smaller than that of the radiation reinforcing belt, and the arrangement of the short reinforcing belt 6 is used for reinforcing the strength of the umbrella top radiation reinforcing belt and preventing breakage caused by overlarge stress of a single umbrella top radiation reinforcing belt.
The umbrella top radiation reinforcing band 3 is a strand of umbrella top radiation reinforcing band synthesized by a plurality of strands of umbrella top radiation reinforcing bands within a distance in the umbrella top hole near the center of the umbrella top hole, and after a distance, the umbrella top radiation reinforcing band is a single strand of umbrella top radiation reinforcing band dispersed by a strand. The umbrella top hole is positioned in the parachute top hole, the force applied when the parachute is dropped is larger, and the multi-strand umbrella top radiation reinforcing belt is synthesized into one strand of umbrella top radiation reinforcing belt in the parachute top hole, so that the stress range of the umbrella top hole reinforcing belt is enhanced, and the disc seam belt parachute has stronger tolerance performance.
The edge of the gore 1 near the hole of the gore is provided with a circumferential reinforcing band 2 of the gore, and the circumferential reinforcing band 2 of the gore is used for reinforcing the strength of the open edge of the gore 1 and preventing the gore from being broken by air flow during landing. The umbrella crown is characterized in that two circles of circumference reinforcing belts with the same width are arranged between the umbrella crown circumference reinforcing belt 2 and the center of the umbrella crown hole and are respectively a first circumference reinforcing belt 4 and a second circumference reinforcing belt 5, a third circumference reinforcing belt 7 is arranged at the inner side of the umbrella crown hole and corresponds to the first circumference reinforcing belt 4, a fourth circumference reinforcing belt 8 is arranged at the position corresponding to the second circumference reinforcing belt 5, and the first, second, third and fourth circumference reinforcing belts are used for limiting devices mounted on the umbrella crown and reinforcing the strength of the umbrella crown radiation reinforcing belt 3, so that the stress of the umbrella crown is uniform, and the devices are prevented from being broken when the umbrella crown radiation reinforcing belt 3 slides.
Further, it is preferable that the radiation reinforcing band 3 of the crown within the crown hole is formed by a plurality of strands within a distance from the center of the crown hole, wherein the distance is larger than the diameter of the second circumferential reinforcing band.
Preferably, the radius of the first circumferential reinforcing band 4 and the third circumferential reinforcing band 7 is about one third of the radius of the crown circumferential reinforcing band 2, and the distance between the first circumferential reinforcing band 4 and the second circumferential reinforcing band 5 is 10 to 20mm.
The number of the umbrella with the seam is generally 24, 36 or 48, preferably, the above-mentioned umbrella crown hole is formed by a plurality of strands which are generally 3 or 4.
Preferably, the short reinforcing belts 6 arranged at the back of the umbrella top radiation reinforcing belt 3 are sewn by double-line yarns.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The umbrella top structure with the umbrella is used for enhancing the strength of a radiation reinforcing belt and limiting a device arranged on the umbrella with the umbrella seam, and is characterized by comprising a gore (1), wherein an umbrella top hole is formed in the top end of the gore (1), and an umbrella top circumference reinforcing belt (2) is arranged along the edge of the umbrella top hole and used for enhancing the strength of the edge of the umbrella top hole;
a plurality of umbrella top radiation reinforcing belts (3) are uniformly arranged along the circumference of the umbrella top circumference reinforcing belt (2), each umbrella top radiation reinforcing belt (3) is perpendicular to the umbrella top circumference reinforcing belt (2), and each umbrella top radiation reinforcing belt (3) is provided with a short reinforcing belt (6) for increasing the strength of the umbrella top radiation reinforcing belt (3);
a first circumferential reinforcing belt (4) and a second circumferential reinforcing belt (5) are arranged between the umbrella crown circumferential reinforcing belt (2) and the center of the umbrella crown hole, a third circumferential reinforcing belt (7) is arranged at the inner side of the umbrella crown hole and corresponds to the first circumferential reinforcing belt (4), a fourth circumferential reinforcing belt (8) is arranged at the position corresponding to the second circumferential reinforcing belt (5), and the first, second, third and fourth circumferential reinforcing belts are used for limiting devices mounted on the umbrella crown and reinforcing the structural strength of the umbrella crown radiation reinforcing belt (3);
the radius of the first circumferential reinforcing band (4) and the third circumferential reinforcing band (7) is about one third of the radius of the umbrella crown circumferential reinforcing band (2);
the length of a superposition section formed by superposition of a plurality of umbrella top radiation reinforcing belts (3) is longer than the length of the diameter of the second circumference reinforcing belt (5);
the number of the umbrella top radiation reinforcing belts (3) in the umbrella top hole close to the center of the circle is smaller than that of the umbrella top radiation reinforcing belts (3) on the gore (1), and one umbrella top radiation reinforcing belt (3) close to the center of the circle is formed by overlapping a plurality of umbrella top radiation reinforcing belts (3) and is used for increasing the intensity of the umbrella top radiation reinforcing belts in the umbrella top hole.
2. A cover structure for a sewn-on umbrella according to claim 1, characterized in that the distance between said first circumferential reinforcing band (4) and said second circumferential reinforcing band (5) is 10-20 mm.
3. A cover structure for a sewn-strap umbrella according to claim 1, characterized in that the widths of the cover circumferential reinforcement band (2), the first circumferential reinforcement band (4), the second circumferential reinforcement band (5), the third circumferential reinforcement band (7) and the fourth circumferential reinforcement band (8) are all the same.
4. A cover structure for a sewn umbrella according to claim 1, characterized in that said short reinforcing strips (6) are fixedly connected to the back of said cover radiation reinforcing strip (3) by means of double-row wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867900.XA CN107600431B (en) | 2017-09-22 | 2017-09-22 | Umbrella top structure with umbrella on disc seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867900.XA CN107600431B (en) | 2017-09-22 | 2017-09-22 | Umbrella top structure with umbrella on disc seam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107600431A CN107600431A (en) | 2018-01-19 |
| CN107600431B true CN107600431B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710867900.XA Active CN107600431B (en) | 2017-09-22 | 2017-09-22 | Umbrella top structure with umbrella on disc seam |
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| Country | Link |
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| CN (1) | CN107600431B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660394B (en) * | 2020-12-30 | 2022-11-01 | 航宇救生装备有限公司 | Guiding umbrella for reloading air-drop system |
| CN113734450A (en) * | 2021-08-10 | 2021-12-03 | 孙梓扬 | Parachute |
| WO2023191013A1 (en) * | 2022-03-31 | 2023-10-05 | 日本化薬株式会社 | Parachute, and safety device and flying body comprising same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192136A (en) * | 1921-10-21 | 1923-01-22 | V M L Ex Ltd | Improvements in or relating to parachutes |
| GB562309A (en) * | 1941-12-11 | 1944-06-27 | Leonard Peter Frieder | Improvements in or relating to parachutes |
| FR1073784A (en) * | 1952-03-31 | 1954-09-29 | Parachute training | |
| US5388787A (en) * | 1993-11-23 | 1995-02-14 | Irvin Industries Canada Ltd. | Air impermeable parachute canopy with opening assist |
| EP0861782A1 (en) * | 1997-03-01 | 1998-09-02 | Wardle Storeys (Safety and Survival Equipment) Limited | Parachutes |
| US6056241A (en) * | 1997-08-14 | 2000-05-02 | Ballistic Recovery Systems, Inc. | Thin film parachute with continuous lateral reinforcing fibers |
| CN2714421Y (en) * | 2003-12-26 | 2005-08-03 | 张文达 | Self-service escapechute |
| CN203555267U (en) * | 2013-11-15 | 2014-04-23 | 航宇救生装备有限公司 | Vortex-sail-type rotating parachute |
| CN206171825U (en) * | 2016-11-14 | 2017-05-17 | 孟益群 | Adjustable falling speed's parachute |
| CN207225670U (en) * | 2017-09-22 | 2018-04-13 | 襄阳宏伟航空器有限责任公司 | A kind of top of the umbrella structure of disk-gap-band parachute |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050224639A1 (en) * | 2004-03-11 | 2005-10-13 | Kavanagh Balloons Pty Limited | Venting for thermal aircraft |
-
2017
- 2017-09-22 CN CN201710867900.XA patent/CN107600431B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB192136A (en) * | 1921-10-21 | 1923-01-22 | V M L Ex Ltd | Improvements in or relating to parachutes |
| GB562309A (en) * | 1941-12-11 | 1944-06-27 | Leonard Peter Frieder | Improvements in or relating to parachutes |
| FR1073784A (en) * | 1952-03-31 | 1954-09-29 | Parachute training | |
| US5388787A (en) * | 1993-11-23 | 1995-02-14 | Irvin Industries Canada Ltd. | Air impermeable parachute canopy with opening assist |
| EP0861782A1 (en) * | 1997-03-01 | 1998-09-02 | Wardle Storeys (Safety and Survival Equipment) Limited | Parachutes |
| US6056241A (en) * | 1997-08-14 | 2000-05-02 | Ballistic Recovery Systems, Inc. | Thin film parachute with continuous lateral reinforcing fibers |
| CN2714421Y (en) * | 2003-12-26 | 2005-08-03 | 张文达 | Self-service escapechute |
| CN203555267U (en) * | 2013-11-15 | 2014-04-23 | 航宇救生装备有限公司 | Vortex-sail-type rotating parachute |
| CN206171825U (en) * | 2016-11-14 | 2017-05-17 | 孟益群 | Adjustable falling speed's parachute |
| CN207225670U (en) * | 2017-09-22 | 2018-04-13 | 襄阳宏伟航空器有限责任公司 | A kind of top of the umbrella structure of disk-gap-band parachute |
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| Publication number | Publication date |
|---|---|
| CN107600431A (en) | 2018-01-19 |
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