CN114794601B - Prevent drowned down jacket - Google Patents
Prevent drowned down jacket Download PDFInfo
- Publication number
- CN114794601B CN114794601B CN202210479130.2A CN202210479130A CN114794601B CN 114794601 B CN114794601 B CN 114794601B CN 202210479130 A CN202210479130 A CN 202210479130A CN 114794601 B CN114794601 B CN 114794601B
- Authority
- CN
- China
- Prior art keywords
- down jacket
- inflatable bag
- drowning
- bag
- traction rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 206010013647 Drowning Diseases 0.000 claims abstract description 44
- 210000001624 hip Anatomy 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009471 action Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D3/00—Overgarments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/087—Body suits, i.e. substantially covering the user's body ; Immersion suits, i.e. substantially completely covering the user
- B63C9/105—Body suits, i.e. substantially covering the user's body ; Immersion suits, i.e. substantially completely covering the user having gas-filled compartments
- B63C9/1055—Body suits, i.e. substantially covering the user's body ; Immersion suits, i.e. substantially completely covering the user having gas-filled compartments inflatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/24—Arrangements of inflating valves or of controls thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C2009/0023—Particular features common to inflatable life-saving equipment
- B63C2009/0029—Inflation devices comprising automatic activation means, e.g. for puncturing gas-generating cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C2009/0023—Particular features common to inflatable life-saving equipment
- B63C2009/0029—Inflation devices comprising automatic activation means, e.g. for puncturing gas-generating cartridges
- B63C2009/0041—Inflation devices comprising automatic activation means, e.g. for puncturing gas-generating cartridges activated by presence of water
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Textile Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application discloses a drowning-prevention down jacket, which comprises a down jacket body, an inflatable bag arranged in the down jacket body, a gas storage piece positioned at the inner side of the down jacket body and used for storing high-pressure gas, a switch valve positioned at the inner side of the down jacket body and connected with the gas storage piece, an inflatable bag arranged between waists at the inner side of the down jacket body, and an anti-falling piece positioned in the inflatable bag and used for tightening the inflatable bag to prevent the down jacket from drowning and falling. According to the drowning-prevention down jacket, the driving operation of the alignment holes on the baffle plate is realized under the action of water, the automatic inflation operation of the switch valve is realized, the manual opening or tooth pulling opening of the switch valve under the condition of panic falling into water is avoided, the anti-falling part is arranged in the inflatable bag, the inflatable bag is firmly wound on the waist of a drowning person when the inflatable bag is inflated, the phenomenon that the down jacket accidentally falls off due to struggling of the drowning person under the condition of falling into water is avoided, and the drowning-prevention effect of the down jacket is further ensured.
Description
Technical Field
The application relates to the technical field of down jackets, in particular to a drowning prevention down jacket.
Background
The down jacket is filled with a large amount of down, and further has the characteristics of light weight, soft texture and good warmth retention, but people can have unexpected drowning conditions in the process of wearing the down jacket, the down jacket is extremely easy to occur especially aiming at the drowning conditions of children, in order to ensure that the down jacket has the anti-drowning effect, the conventional down jacket is often provided with an air bag piece on a jacket body, thereby realizing the anti-drowning effect, but the air bag piece on the conventional down jacket is often required to realize the inflation operation by manually or pulling an inflation valve body through teeth after people fall into water, but people are often in a panic state after falling into water, the self-rescue operation cannot be completed quickly and correctly, the air bag piece on the down jacket cannot be inflated smoothly when falling into water, the anti-drowning effect of the down jacket is reduced, in addition, the down jacket is extremely easy to drop off accidentally in the process of struggling survival after falling into water, and further the survival rate after drowning is further reduced.
Disclosure of Invention
The application mainly aims to provide a drowning-prevention down jacket which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the anti-drowning down jacket comprises a down jacket body, an inflatable bag arranged in the down jacket body, a gas storage piece positioned at the inner side of the down jacket body and used for storing high-pressure gas, a switch valve positioned at the inner side of the down jacket body and connected with the gas storage piece, an inflatable bag arranged between waists at the inner side of the down jacket body, and an anti-falling piece positioned in the inflatable bag and used for tightening the inflatable bag to prevent the down jacket from drowning;
the switch valve comprises a valve box body provided with a vent hole, an assembly box which is positioned at the lower end of the valve box body and provided with a through hole, a water absorbing sponge block which is arranged in the assembly box and communicated with the through hole, a push plate which is positioned at the upper end of the water absorbing sponge block, a baffle which is positioned at the upper end of the push plate and provided with an alignment hole, a guide pillar which is positioned between the push plate and the valve box body, and a compression spring which is sleeved on the outer surface of the guide pillar;
wherein the valve box body is respectively communicated with the inflatable bag, the anti-falling piece and the inflatable bag; the alignment hole is matched with the vent hole, and the baffle is tightly attached to the side wall of the valve box body.
As a further optimization scheme of the application, the valve box body is communicated with the inflatable bag through a first air pipe, and the valve box body is respectively communicated with the inflatable bag and the inside of the anti-falling piece through two second air pipes.
As a further optimization scheme of the application, the valve box body is also provided with a guide rail which is distributed opposite to the baffle plate, and the guide rail is provided with a sliding rod which is fixedly connected with the baffle plate in a sliding manner.
As a further optimization scheme of the application, the lower end of the inflatable bag is provided with a first exhaust valve, and the inflatable bag is respectively provided with a second exhaust valve communicated with the interior of the inflatable bag and a third exhaust valve communicated with the interior of the anti-drop piece.
As a further optimization scheme of the application, the gas storage piece comprises a gas storage bag communicated with the vent hole and an inflation valve positioned on one side of the gas storage bag away from the valve box body.
As a further optimization scheme of the application, the anti-falling part comprises a first traction rope and a second traction rope which are positioned in the inflatable bag, a column-shaped air bag sleeved on the outer surfaces of the first traction rope and the second traction rope, a lantern ring which is positioned at the upper end of the column-shaped air bag and movably penetrates through the first traction rope and the second traction rope, an air inlet pipe which is communicated with the interior of the column-shaped air bag and is connected with one of the second air delivery pipes, and an air outlet pipe which is communicated with the interior of the column-shaped air bag and is connected with the third air outlet valve;
one end of the first traction rope and one end of the second traction rope are connected with the lower end wall of the inflatable bag, and the other ends of the first traction rope and the second traction rope are distributed in opposite directions and are connected with the inner side wall of the inflatable bag.
As a further optimization scheme of the application, the down jacket body comprises an inner waterproof layer, a down filling layer positioned on the outer side of the inner waterproof layer, a fabric layer positioned on the outer side of the down filling layer and used for filling the inflatable bag, and an outer waterproof layer positioned on the outer side of the fabric layer.
As a further optimization scheme of the application, the inner waterproof layer and the outer waterproof layer are both woven by polyester fiber filaments coated with the expanded polytetrafluoroethylene coating.
Compared with the prior art, the application has the following beneficial effects:
1. according to the anti-drowning down jacket, the switch valve is arranged among the air storage piece, the air charging bag and the air charging bag, so that the driving operation of the alignment holes on the baffle plate is realized under the action of water, the automatic inflation operation of the switch valve is realized, the manual opening of the switch valve or the tooth pulling opening of people under the condition of panic falling into water is avoided, and the good anti-drowning effect of the down jacket is ensured.
2. According to the down jacket, the anti-falling piece is arranged in the inflatable bag, so that the inflatable column-shaped air bag is expanded rapidly and drives the first traction rope and the second traction rope to shrink the length of the air bag piece, the inflatable bag is firmly wound around the waist of a drowning person when inflated, the phenomenon that the down jacket accidentally falls off due to struggling of the drowning person under the condition of falling into water is avoided, and the anti-drowning effect of the down jacket is further guaranteed.
3. According to the down jacket, the inner waterproof layer and the outer waterproof layer are arranged on the down jacket body, so that the water body is not easy to combine with down in the down filling layer when the down jacket falls into water, a large amount of water body is prevented from entering the down filling layer, and the increase of drowning probability caused by the overweight of the down jacket is avoided.
Drawings
FIG. 1 is an overall structure diagram of a drowning-prevention down jacket of the present application;
FIG. 2 is a schematic diagram of the internal structure of a switch valve of the anti-drowning down jacket of the present application;
FIG. 3 is a schematic diagram showing the connection of a gas storage member and a switch valve of the anti-drowning down jacket of the present application;
FIG. 4 is a schematic diagram showing the connection among the inflatable bag, the switch valve and the anti-drop member of the anti-drowning down jacket according to the present application;
FIG. 5 is a longitudinal cross-sectional view of an inflatable bladder of the anti-drowning down jacket of the present application;
fig. 6 is a schematic diagram of the internal structure of a down jacket body of the anti-drowning down jacket according to the present application.
In the figure: 1. a first exhaust valve; 2. an inflatable bag; 3. an inflatable bag; 4. a gas storage member; 5. a switch valve; 6. a down jacket body; 7. an anti-falling member; 8. a second exhaust valve; 9. a third exhaust valve; 10. a first gas pipe; 11. a second gas pipe; 41. an inflation valve; 42. a gas storage bag; 51. a valve housing; 52. a vent hole; 53. a through hole; 54. a slide bar; 55. assembling a box; 56. a baffle; 57. an alignment hole; 58. a guide rail; 551. a water-absorbing sponge block; 552. a push plate; 553. a guide post; 554. a compression spring; 61. an inner waterproof layer; 62. a down filling layer; 63. a fabric layer; 64. an outer waterproof layer; 71. an air inlet pipe; 72. a first traction rope; 73. a second traction rope; 74. a column-type air bag; 75. a collar; 76. and an exhaust pipe.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1 and 2, the anti-drowning down jacket comprises a down jacket body 6, an inflatable bag 2 arranged in the down jacket body 6, a gas storage piece 4 positioned at the inner side of the down jacket body 6 and used for storing high-pressure gas, a switching valve 5 positioned at the inner side of the down jacket body 6 and connected with the gas storage piece 4, an inflatable bag 3 arranged between the waists at the inner side of the down jacket body 6, and an anti-falling piece 7 positioned in the inflatable bag 3 and used for tightening the inflatable bag 3 to prevent the down jacket from falling out from drowning;
the switch valve 5 comprises a valve box body 51 provided with a vent hole 52, an assembly box 55 positioned at the lower end of the valve box body 51 and provided with a through hole 53, a water absorbing sponge block 551 arranged in the assembly box 55 and communicated with the through hole 53, a push plate 552 positioned at the upper end of the water absorbing sponge block 551, a baffle 56 positioned at the upper end of the push plate 552 and provided with an alignment hole 57, a guide pillar 553 positioned between the push plate 552 and the valve box body 51 and a compression spring 554 sleeved on the outer surface of the guide pillar 553;
wherein, the valve box body 51 is respectively communicated with the inflatable bag 3, the anti-falling piece 7 and the inflatable bag 2; the alignment hole 57 is matched with the vent hole 52, and the baffle 56 is tightly attached to the side wall of the valve housing 51.
As shown in fig. 1, 2, 3 and 4, the valve box 51 is communicated with the inflatable bag 2 through a first air pipe 10, and the valve box 51 is respectively communicated with the inflatable bag 3 and the inside of the anti-falling piece 7 through two second air pipes 11; the valve box body 51 is also provided with a guide rail 58 which is distributed opposite to the baffle plate 56, and a slide rod 54 which is fixedly connected with the baffle plate 56 is slidably arranged on the guide rail 58; the lower end of the inflatable bag 2 is provided with a first exhaust valve 1, and the inflatable bag 3 is respectively provided with a second exhaust valve 8 communicated with the interior of the inflatable bag 3 and a third exhaust valve 9 communicated with the interior of the anti-drop piece 7; the air storage piece 4 comprises an air storage bag 42 communicated with the air vent 52 and the air charging valve 41 positioned on one side, far away from the valve box body 51, of the air storage bag 42, the water absorbing sponge block 551 in the assembly box 55 absorbs water rapidly through the through hole 53, the water absorbing sponge block 551 is rapidly softened by the hard sponge block after absorbing water, the push plate 552 is driven to continuously squeeze the water absorbing sponge block 551 by the compression spring 554 under the action of elasticity, meanwhile, the push plate 552 drives the baffle 56 to conduct descending operation, the counterpoint hole 57 is enabled to continuously descend until the counterpoint hole 57 is communicated with the air vent 52, further high-pressure air stored in the air storage bag 42 enters the valve box body 51 through the air vent 52 and the counterpoint hole 57, and the high-pressure air is respectively conveyed into the air storage bag 2, the air storage bag 3 and the inside the anti-falling piece 7 through the communication of the first air pipe 10 and the second air storage pipe 11, so that the volume of the down jacket 2, the air storage bag 3 and the anti-falling piece 7 is increased, the buoyancy is increased, the anti-drowning effect is achieved, the automatic buoyancy effect is achieved, the automatic opening and the opening and closing of the valve 5 is enabled to be prevented from being opened manually under the condition that the down jacket is well.
As shown in fig. 5, the anti-falling member 7 comprises a first traction rope 72 and a second traction rope 73 which are positioned in the inflatable bag 3, a column-shaped air bag 74 sleeved on the outer surfaces of the first traction rope 72 and the second traction rope 73, a lantern ring 75 which is positioned at the upper end of the column-shaped air bag 74 and movably penetrates through the first traction rope 72 and the second traction rope 73, an air inlet pipe 71 which is communicated with the interior of the column-shaped air bag 74 and is connected with one of the second air conveying pipes 11, and an air outlet pipe 76 which is communicated with the interior of the column-shaped air bag 74 and is connected with the third air outlet valve 9; wherein, haulage rope 72 and haulage rope 73 one end all are connected with the lower end wall of balloon 3, haulage rope 72 and haulage rope 73 other end are the opposite direction and meet with balloon 3 inside wall, switch valve 5 is inflatable operation to column gasbag 74 through intake pipe 71 when inflating balloon 3, the fast inflation of inflatable column gasbag 74 drives the lantern ring 75 and rises for balloon 3 carries out the length shrink gradually under the effect of haulage rope 72 and haulage rope 73, make balloon 3 realize balloon 3's length shrink operation when inflating, and then make balloon 3 firmly twine in drowned personnel's waist.
As shown in fig. 6, the down jacket body 6 comprises an inner waterproof layer 61, a down filling layer 62 positioned outside the inner waterproof layer 61, a fabric layer 63 positioned outside the down filling layer 62 and used for filling the inflatable bag 2, and an outer waterproof layer 64 positioned outside the fabric layer 63; the inner waterproof layer 61 and the outer waterproof layer 64 are both woven by polyester fiber filaments coated with the expanded polytetrafluoroethylene coating, and when the down jacket falls into water, the water is not easy to combine with down in the down filling layer 62, so that a large amount of water is prevented from entering the down filling layer 62, and the probability of drowning caused by overweight of the down jacket is prevented.
It should be noted that, the present application is a down jacket for preventing drowning, people perform warm keeping operation through the down jacket, when people drown, the water absorbing sponge 551 in the assembly box 55 absorbs water rapidly through the through hole 53, the water absorbing sponge 551 absorbs water and becomes soft rapidly by the hard sponge 551, the compression spring 554 drives the push plate 552 to continuously squeeze the water absorbing sponge 551 under the action of elasticity, meanwhile, the push plate 552 drives the baffle 56 to perform descending operation, so that the alignment hole 57 continuously descends until the alignment hole 57 is communicated with the vent hole 52, further, the high-pressure gas stored in the gas storage bag 42 enters the valve box 51 through the vent hole 52 and the alignment hole 57, and is respectively conveyed into the gas bag 2, the gas bag 3 and the anti-drop piece 7 through the communication of the first gas pipe 10 and the second gas pipe 11, realize the rapid expansion of the inflatable bag 2, the inflatable bag 3 and the anti-drop piece 7, so that the volume of the down jacket is increased, thereby increasing the buoyancy, playing the anti-drowning role, the anti-drowning down jacket realizes the automatic inflation operation of the switch valve 5 through the buoyancy generated by the water effect, avoids the manual opening of the switch valve 5 under the condition of panic falling into water, ensures the good anti-drowning effect of the down jacket, the switch valve 5 can inflate the columnar airbag 74 through the air inlet pipe 71 while inflating the inflatable bag 3, the inflated columnar airbag 74 rapidly expands and drives the lantern ring 75 to rise, the inflatable bag 3 gradually contracts in length under the action of the first traction rope 72 and the second traction rope 73, the inflatable bag 3 realizes the length contraction operation of the inflatable bag 3 while inflating, and further the inflatable bag 3 is firmly wound on the waist of a drowner, avoid drowned personnel to lead to the down jacket unexpected to drop because of struggling under the situation of falling into water, further guarantee the anti-drowning effect of down jacket, through setting up interior waterproof layer 61 and outer waterproof layer 64 on down jacket body 6 for this down jacket is when falling into water, and the water is difficult for combining with the eiderdown in the eiderdown filling layer 62, thereby has avoided the water to get into in the eiderdown filling layer 62 in a large number, avoids leading to drowning probability increase because of down jacket self weight is overweight.
The foregoing has shown and described the basic principles and main features of the present application and the advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a prevent drowned down jacket, includes down jacket body (6) and locates inside air bag (2) of down jacket body (6), its characterized in that: the down jacket further comprises a gas storage piece (4) which is positioned at the inner side of the down jacket body (6) and used for storing high-pressure gas, a switch valve (5) which is positioned at the inner side of the down jacket body (6) and connected with the gas storage piece (4), an inflatable bag (3) which is arranged between the waists at the inner side of the down jacket body (6) and an anti-falling piece (7) which is positioned inside the inflatable bag (3) and used for tightening the inflatable bag (3) so as to prevent the down jacket from falling off due to drowning;
the switch valve (5) comprises a valve box body (51) provided with a vent hole (52), an assembly box (55) positioned at the lower end of the valve box body (51) and provided with a through hole (53), a water-absorbing sponge block (551) arranged in the assembly box (55) and communicated with the through hole (53), a push plate (552) positioned at the upper end of the water-absorbing sponge block (551), a baffle plate (56) positioned at the upper end of the push plate (552) and provided with an alignment hole (57), a guide pillar (553) positioned between the push plate (552) and the valve box body (51) and a compression spring (554) sleeved on the outer surface of the guide pillar (553);
the valve box body (51) is communicated with the inflatable bag (2) through a first gas pipe (10), the valve box body (51) is respectively communicated with the inflatable bag (3) and the inside of the anti-falling piece (7) through two second gas pipes (11), and a third exhaust valve (9) communicated with the inside of the anti-falling piece (7) is arranged on the inflatable bag (3); the alignment hole (57) is matched with the vent hole (52), and the baffle plate (56) is tightly attached to the side wall of the valve box body (51);
the anti-drop piece (7) comprises a first traction rope (72) and a second traction rope (73) which are positioned in the inflatable bag (3), a column-shaped air bag (74) sleeved on the outer surfaces of the first traction rope (72) and the second traction rope (73), a lantern ring (75) which is positioned at the upper end of the column-shaped air bag (74) and movably penetrates through the first traction rope (72) and the second traction rope (73), an air inlet pipe (71) which is communicated with the interior of the column-shaped air bag (74) and is connected with one of the second air delivery pipes (11), and an exhaust pipe (76) which is communicated with the interior of the column-shaped air bag (74) in a control manner and is connected with the third exhaust valve (9);
one end of the first traction rope (72) and one end of the second traction rope (73) are connected with the lower end wall of the inflatable bag (3), and the other ends of the first traction rope (72) and the second traction rope (73) are distributed in opposite directions and are connected with the inner side wall of the inflatable bag (3).
2. The anti-drowning down jacket of claim 1, wherein: the valve box body (51) is also provided with guide rails (58) which are distributed opposite to the baffle plate (56), and the guide rails (58) are provided with sliding rods (54) which are fixedly connected with the baffle plate (56) in a sliding manner.
3. The anti-drowning down jacket of claim 1, wherein: the lower end of the inflatable bag (2) is provided with a first exhaust valve (1), and the inflatable bag (3) is provided with a second exhaust valve (8) communicated with the interior of the inflatable bag (3).
4. The anti-drowning down jacket of claim 1, wherein: the gas storage piece (4) comprises a gas storage bag (42) communicated with the vent hole (52) and an inflation valve (41) positioned on one side of the gas storage bag (42) away from the valve box body (51).
5. The anti-drowning down jacket of claim 1, wherein: the down jacket body (6) comprises an inner waterproof layer (61), a down filling layer (62) positioned on the outer side of the inner waterproof layer (61), a fabric layer (63) positioned on the outer side of the down filling layer (62) and used for filling the inflatable bag (2), and an outer waterproof layer (64) positioned on the outer side of the fabric layer (63).
6. The anti-drowning down jacket of claim 5, wherein: the inner waterproof layer (61) and the outer waterproof layer (64) are both woven by polyester fiber filaments coated with a expanded polytetrafluoroethylene coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479130.2A CN114794601B (en) | 2022-05-05 | 2022-05-05 | Prevent drowned down jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479130.2A CN114794601B (en) | 2022-05-05 | 2022-05-05 | Prevent drowned down jacket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114794601A CN114794601A (en) | 2022-07-29 |
| CN114794601B true CN114794601B (en) | 2023-09-26 |
Family
ID=82510812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210479130.2A Active CN114794601B (en) | 2022-05-05 | 2022-05-05 | Prevent drowned down jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114794601B (en) |
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| CN114794601A (en) | 2022-07-29 |
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