CN209757473U - Foldable large-rigidity inflatable life raft - Google Patents

Foldable large-rigidity inflatable life raft Download PDF

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Publication number
CN209757473U
CN209757473U CN201821714777.4U CN201821714777U CN209757473U CN 209757473 U CN209757473 U CN 209757473U CN 201821714777 U CN201821714777 U CN 201821714777U CN 209757473 U CN209757473 U CN 209757473U
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China
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plate
covering layer
hull
connecting plate
air chamber
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CN201821714777.4U
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赵轶惠
梁庆华
史兴堂
钟琳
王超宇
黄威
黄琳
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Shanghai Fire Research Institute of Ministry of Public Security
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Shanghai Fire Research Institute of Ministry of Public Security
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Abstract

The utility model discloses a foldable high-rigidity inflatable life raft, which mainly comprises symmetrically distributed hull main boards, an upper covering layer and a lower covering layer, wherein the upper covering layer and the lower covering layer are covered on the upper part and the lower part of the hull main boards; and the left air chamber and the right air chamber are positioned outside the port and starboard parts of the lower covering layer. Two zippers are glued to the left side and the right side of the bow connecting plate and the other two zippers are glued to the left side and the right side of the stern connecting plate on the back of the lower covering layer, and the four zippers are used for folding, fixing and forming the ship body; four inflation valves are symmetrically arranged on the upper and lower covering layers and the left and right side boards of the boat body so as to facilitate the inflation molding of the lifeboat. The scheme has the advantages of simple structure, practicality, realization of new foldable and easy-to-store functions, high rigidity and application to various water lifesaving occasions.

Description

foldable large-rigidity inflatable life raft
Technical Field
The utility model relates to a life saving equipment technique, concretely relates to inflatable life raft technique.
Background
The existing inflatable life raft generally comprises three support structures, namely a left air chamber, a right air chamber and a keel air chamber, a bottom plate needs to be reinforced at a keel by self, the installation procedure is complicated, and the use is inconvenient.
Secondly, existing hard floor inflatable liferafts implement collapsible solutions that do not enable the ship to be folded into a considerable shape, as described in e.g. US 6739278: a FOLDING rig-BOTTOM bed (collapsible RIGID liferaft); although the soft bottom plate type inflatable life raft is convenient to fold, the soft bottom plate type inflatable life raft is difficult to form, needs an external containing box for containing, and is inconvenient.
Furthermore, the existing inflatable life raft supports the water running of the ship body by the buoyancy of the left air chamber, the right air chamber or the keel air chamber, the rigidity is not high, and the existing inflatable life raft is difficult to deal with the severe rescue environment.
SUMMERY OF THE UTILITY MODEL
aiming at the defects of the existing inflatable life raft, a new scheme of the inflatable life raft is needed.
Therefore, the utility model aims to provide a collapsible big rigidity inflatable life raft, its is collapsible, easily accomodate, rigidity is high, can let the user conveniently carry out the hull installation, use and folding accomodating, also satisfies the performance demand of hull moreover.
In order to achieve the purpose, the utility model provides a foldable large-rigidity inflatable life raft, which comprises a hull main board, an upper covering layer and a lower covering layer, wherein the hull main board is symmetrically distributed, and the upper covering layer and the lower covering layer are covered on the upper side and the lower side of the hull main board; the left air chamber and the right air chamber are positioned at the outer sides of the port and starboard parts of the lower covering layer; a first zipper and a second zipper are glued on the back of the lower covering layer right opposite to the left side and the right side of the bow connecting plate, a third zipper and a fourth zipper are glued right opposite to the left side and the right side of the stern connecting plate, and the four zippers fold and fix the ship body for forming; and a plurality of inflation valves are symmetrically arranged on the upper covering layer, the lower covering layer, the left side board and the right side board of the ship body and are matched with the left air chamber and the right air chamber.
furthermore, the symmetrically distributed ship body main boards comprise a left part, a middle part and a right part, and are distributed into each board block; the left side of the hull main board comprises a left bow connecting plate, a port front plate, a port rear plate, a port connecting plate and a left stern connecting plate; the right side of the hull main board comprises a right bow connecting plate, a port front plate, a port rear plate, a port connecting plate and a port stern connecting plate; the hull mainboard center includes bow board, bottom plate front bezel, bottom plate back plate, bottom plate connecting plate and transom, still includes preceding reinforcing plate and back reinforcing plate.
Furthermore, gaps are reserved among the plates of the ship body main plate, and the upper covering layer and the surface of the covering layer are right opposite to edge lines of the plates contained in the ship body main plate.
Further, the left air chamber and the right air chamber are connected with the lower covering layer in an adhesive mode.
Furthermore, a plurality of filiform fibers are longitudinally distributed in the left air chamber or/and the right air chamber.
Furthermore, four zippers for reinforcing and forming the main board of the ship body during the installation of the ship body are respectively glued on the back surface of the lower covering layer, the two sides of the bow connecting plate and the two sides of the stern connecting plate.
Furthermore, four inflation valves are installed at four positions of the upper covering layer, namely the port front plate, the port rear plate, the starboard front plate and the starboard rear plate of the ship body, and are matched with the left air chamber and the right air chamber, so that the ship body is externally inflated after the building of the ship body is completed.
Furthermore, the left side and the right side of the front reinforcing plate and the rear reinforcing plate are respectively provided with a rope tying device on the connecting plates at corresponding positions so as to connect the reinforcing plates and the main plate of the ship body by using twisted ropes after the installation of the ship body is finished.
Further, two handles are glued on the positions of the lower covering layer right opposite to the bottom plate back plate and the stem plate, so that the ship can be stored and carried by hands.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. The utility model discloses simple structure, convenient to use, can install and fold in the short time and accomodate, but wide application in various rescue occasions on water strives for the time for the rescue.
2. The utility model integrates the advantage of high rigidity of the inflatable lifeboat with the hard bottom plate and the advantage of convenient storage of the inflatable lifeboat with the soft bottom plate; the rigidity of the air chamber is high, and the left side and the right side of the ship can be reinforced after the inflation is finished, so that the ship body can be supported to carry out water rescue work; after the front reinforcing plate and the rear reinforcing plate are fixed with the hull main board, the front and the rear of the ship can be reinforced, the high-rigidity requirement of the inflatable life raft is met, and the severe water rescue environment can be met.
Drawings
The invention is further described with reference to the following drawings and detailed description.
FIG. 1 is a schematic view of a hull assembly according to an embodiment of the present invention;
Fig. 2 is the utility model discloses the structure plan view of hull mainboard in the example:
FIG. 3 is a schematic view of the structure of the chain and the air chamber attached to the lower covering layer according to the embodiment of the present invention;
FIG. 4 is a cross-sectional view of a gas chamber in an embodiment of the present invention;
FIG. 5 is a schematic view of the installation and formation of a hull according to an embodiment of the present invention;
Fig. 6 is a schematic view of the fold forming of the hull in the example of the present invention.
In the figure:
1 is a hull main board integral body; 2 is an upper covering layer; 3 is a lower covering layer;
4-A is a left air chamber; 4-B is a right air chamber; 5 is a front reinforcing plate;
6 is a rear reinforcing plate; 7-A is a front plate of a left bow connecting plate;
7-B is a front plate of a right bow connecting plate; 8-A is a middle plate of a left bow connecting plate;
8-B is a middle plate of a right bow connecting plate; 9-A is a left bow connecting plate rear plate;
9-B is a right bow connecting plate rear plate; 10-A is a port side front plate;
10-B is a starboard front plate; 11-A is a port connecting plate;
11-B is a starboard connecting plate; 12-A is a port side rear plate;
12-B is a starboard rear plate; 13-A is a front plate of a left stern connecting plate;
13-B is a front plate of a right stern connecting plate; 14-A is a rear plate of a left stern connecting plate;
14-B is a rear plate of a right stern connecting plate; 15 is a bow plate;
16 is a front plate of the bottom plate; 17 is a bottom plate connecting plate;
18 is a back plate of the bottom plate; 19 is a stern board;
20-A is a left bow connecting plate zipper; 20-B is a right bow connecting plate zipper;
21-A is a left stern connecting plate zipper; 21-B is a right stern connecting plate zipper;
22-A is a front inflation valve of the left air chamber; 22-B is a front inflation valve of the right air chamber;
22-C is a rear inflation valve of the left air chamber; 22-D is a rear inflation valve of the right air chamber;
23-A is a front handle; 23-B is a rear handle.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, there is shown an example configuration of a folded high stiffness inflatable liferaft according to the present example. This inflatable life raft, collapsible, easily accomodate, rigidity is high, can let the user conveniently carry out the hull installation, use and folding accomodating, also satisfies the performance demand of hull moreover.
as can be seen from the figure, the foldable high-rigidity inflatable life raft mainly comprises symmetrically distributed ship body main boards (1), upper covering layers (2) and lower covering layers (3) covering the upper and lower parts of the ship body main boards, and a left air chamber (4-A) and a right air chamber (4-B) which are positioned on the outer sides of port and starboard parts of the lower covering layers.
Referring to fig. 2, the hull main board (1) symmetrically distributed in the example comprises three major parts, namely a left part, a middle part and a right part, and is split into various boards for folding; meanwhile, gaps are reserved among all the plates of the ship body main plate (1), so that the ship body can be conveniently folded and formed during installation.
Specifically, the left side of the ship body main plate (1) comprises a left bow connecting plate (7-A), (8-A) and (9-A), a port front plate (10-A), a port rear plate (12-A), a port connecting plate (11-A) and a left stern connecting plate (13-A) and (14-A).
the right side of the ship body main board (1) comprises a right bow connecting board (7-B), (8-B) and (9-B), a port front board (10-B), a port rear board (12-B), a port connecting board (11-B) and a port stern connecting board (13-B) and (14-B).
The hull mainboard (1) central authorities include bow board (15), bottom plate front bezel (16), bottom plate back plate (18), bottom plate connecting plate (17) and stern board (19), still include preceding reinforcing plate (5) and back reinforcing plate (6).
the upper covering layer (2) and the lower covering layer (3) in the embodiment are both made of TPU flexible materials, the upper covering layer and the lower covering layer are bonded with the ship body main board (1) into a whole in an adhesive mode, and the ship body main board (1) is invisible when viewed from the outer side and only the upper covering layer (2) and the lower covering layer (3) can be seen; meanwhile, the surfaces of the upper covering layer (2) and the covering layer (3) are just opposite to each plate edge line contained in the ship body main plate (1), so that the folding positioning is facilitated.
Referring to fig. 3, the natural angle of the zipper in the unzipped state is about 60 degrees for the back side of the lower cover layer (3) and for both ends of the left bow tie plate (7-a) and (8-a) edge adhesive zipper (20-a) and for both ends of the right bow tie plate (7-B) and (8-B) edge adhesive zipper (20-B), respectively.
And the back surface of the lower covering layer (3) is opposite to the two ends of the edge adhesive zipper (21-A) of the left stern connecting plate (13-A) and the edge adhesive zipper (14-A) and opposite to the two ends of the edge adhesive zipper (21-B) of the right stern connecting plate (13-B) and the edge adhesive zipper (14-B), and the natural included angle of the zipper in an unzipped state is about 90 degrees.
The four zippers are used for reinforcing and forming the main board (1) of the ship body when the ship body is installed.
meanwhile, the left air chamber (4-A) and the right air chamber (4-B) which are positioned on the back sides of the port and starboard parts of the lower covering layer are connected with the lower covering layer (3) in an adhesive mode. The two air chambers are made of TPU materials, and can provide higher rigidity after being inflated to support the left side and the right side of the ship body.
referring to fig. 4, the left air cell (4-a) and the right air cell (4-B) in this example have a plurality of filamentous fibers longitudinally distributed therein, respectively, so that the air cells can achieve a high level of rigidity after being inflated.
aiming at the left air chamber (4-A) and the right air chamber (4-B), four inflation valves (22-A), (22-B), (22-C) and (22-D) are respectively installed at four positions of the upper covering layer (2), which are right opposite to a port front plate (10-A), a port rear plate (11-A), a starboard front plate (10-B) and a starboard rear plate (11-B) of the ship body, so as to be matched with the left air chamber (4-A) or the right air chamber (4-B) and used for externally inflating the ship body after the building of the ship body is completed.
Further, the present example has first tether means at right and left sides of the front reinforcing plate (5) of the hull main plate (1), at right positions of the left bow connecting plate (9-a) and the lower cover layer (3) of the upper cover layer (2), and has second tether means at right positions of the right bow connecting plate (9-B) and the lower cover layer (3) of the upper cover layer (2), so that the front reinforcing plate (5) and the hull main plate (1) are connected by a twisted rope after the hull is completely installed.
And on the left side and the right side of the rear reinforcing plate (6), a third rope tying device is arranged at the position opposite to the lower covering layer (3) of the port side rear plate (12-A) and the upper covering layer (2), and a fourth rope tying device is arranged at the position opposite to the lower covering layer (3) of the starboard side rear plate (12-B) and the upper covering layer (2), so that the rear reinforcing plate (6) and the ship body main plate (1) are connected by using a stranded rope after the ship body is installed.
Therefore, the four rope tying devices can be used for connecting the reinforcing plate and the main plate of the ship body by using the twisted ropes after the installation of the ship body is finished, and the rigidity of the ship body is enhanced.
On the basis of the above, the present example also has two handles (23-A) and (23-B) glued to the lower cladding (3) at the positions right opposite to the bottom plate back plate (18) and the bow plate (15) so that the ship can be carried by hand after being stored.
when the folding high-rigidity inflatable life raft formed based on the scheme is applied, the hull can be conveniently installed, used and folded for storage, and the application process of the inflatable life raft is illustrated below.
The whole application process comprises an installation program and a folding and accommodating program. Wherein, the installation program comprises the following steps:
Step 1: in the initial state, the hull is in a folded state and can be unfolded and fully unfolded, and the lower covering layer (3), i.e. the part covered with the left air chamber (4-A) and the right air chamber (4-B), is placed downwards.
Step 2: the left side of the hull is integrally folded inward by 90 degrees at the left side of the hull at a position corresponding to the main plate of the hull on the cover layer, and at the same time, the left bow tie plate is folded inward along the boundary between the left bow tie plates (7-A) and (8-A), the left stern tie plate is folded inward along the boundary between the left stern tie plates (13-A) and (14-A), and the left bow tie plate zipper (20-A) and the left stern tie plate zipper (21-A) are pulled up, thereby fixing the left side of the hull.
and step 3: and integrally turning the starboard inwards by 90 degrees at the right side of the hull according to the position corresponding to the main board of the hull on the covering layer, meanwhile, turning up the right bow connecting plate inwards along the boundary of the right bow connecting plates (7-B) and (8-B), turning up the right stern connecting plate inwards along the boundary of the right stern connecting plates (13-B) and (14-B), and pulling up the right bow connecting plate zipper (20-B) and the right stern connecting plate zipper (21-B), thereby fixing the right side of the hull.
And 4, step 4: the front reinforcing plate (5) is turned inwards, and the front reinforcing plate (5) is tied and fixed with the left bow reinforcing plate (9-A) and the right bow reinforcing plate (9-B) through a tying device by using two twisted ropes, so that the bow is fixed; the rear reinforcing plate (6) is turned inwards, and the rear reinforcing plate (6) is tied and fixed with the port side rear plate (12-A) and the starboard side rear plate (12-B) through the tying rope devices by two twisting ropes, so that the stern is fixed.
And 5: the left air chamber is inflated through the left inflation valves (22-A) and (22-C) arranged on the upper covering layer (2), and the right air chamber is inflated through the right inflation valves (22-B) and (22-D) arranged on the upper covering layer (2), so that the rigidity and the shock resistance of the left side and the right side of the ship body are enhanced, and the water surface can be thrown for rescue activities after the inflation is finished.
therefore, the installation forming structure shown in fig. 5 can be formed, and the reinforcing plate and the hull main plate can be connected by the stranded rope after the hull is installed through the corresponding rope tying device, so that the rigidity of the hull is enhanced; the air chambers on the two sides of the ship body are made of TPU materials, so that the air chambers can provide higher rigidity after being inflated, and support the left side and the right side of the ship body.
For, the fold-in program includes the steps of:
Step 1: after all the personnel leave the ship and safely land, the left air chamber is completely deflated through the left inflation valves (22-A) and (22-C) arranged on the upper cover layer (2), and the right air chamber is completely deflated through the right inflation valves (22-B) and (22-D) arranged on the upper cover layer (2).
Step 2: and (3) loosening the stranded ropes tied to the front reinforcing plate (5) and the rear reinforcing plate (6), and then flatly spreading the left side, the right side, the front side and the rear side of the ship body.
And step 3: the ship body is turned over integrally, so that the upper covering layer (2) is positioned below and is in contact with the ground; the lower covering layer (3) and the left and right air chambers (4-A) and (4-B) are located above.
And 4, step 4: integrally turning the front end of the ship body, including a left bow connecting plate (7-A), (8-A) and (9-A) and right stern connecting plates (7-B), (8-B) and (9-B), of the front end of the ship body along a straight line where a boundary line of the bow plate (15) and the bottom plate front plate (16) is located, inwards 180 degrees so that the front reinforcing plate (5) touches the bottom plate, and independently turning the front reinforcing plate (5) outwards again for 180 degrees so that the front reinforcing plate does not touch the bottom plate connecting plate (17); the rear end of the ship body, which comprises the left stern connecting plates (13-A) and (14-A), the right stern connecting plates (13-B) and (14-B), the stern plate (19) and the rear reinforcing plate (6), is integrally turned inwards by 180 degrees along the straight line of the boundary line of the stern plate (19) and the bottom plate rear plate (18), so that the rear reinforcing plate (6) touches the bottom plate. And finally, turning the whole port and starboard inwards by 180 degrees.
And 5: on the premise of step 4, the front end and the rear end of the ship body are respectively folded inwards along the two sides of the bottom plate connecting plate (17) to be folded into a box body shape, so that the bottom plate connecting plate is positioned at the bottom of the box body and is adhered to the original upper covering layer (2), and the ship body is folded and stored into a suitcase structure by the handles (23-A) and (23-B) which are opposite to the positions of the bottom plate front plate (16) and the bottom plate rear plate (18) (as shown in figure 6), thereby being convenient for carrying by hand.
The folded high-rigidity inflatable life raft provided by the embodiment has the advantages that the rigidity of the air chambers glued to the two sides of the ship body and the rigidity of the main board of the ship body are high, and the ship body is supported to carry out water rescue work after the ship body is inflated; in addition, the front reinforcing plate and the rear reinforcing plate are connected with the ship body, so that the front side and the rear side of the ship body are reinforced, the ship body has ideal rigidity conditions, and the ship body can adapt to various severe rescue environments.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The foldable high-rigidity inflatable life raft is characterized by comprising symmetrically distributed ship body main boards, an upper covering layer and a lower covering layer, wherein the upper covering layer and the lower covering layer are covered on the upper side and the lower side of the ship body main boards; the left air chamber and the right air chamber are positioned at the outer sides of the port and starboard parts of the lower covering layer; a first zipper and a second zipper are glued on the back of the lower covering layer right opposite to the left side and the right side of the bow connecting plate, a third zipper and a fourth zipper are glued right opposite to the left side and the right side of the stern connecting plate, and the four zippers fold and fix the ship body for forming; and a plurality of inflation valves are symmetrically arranged on the upper covering layer, the lower covering layer, the left side board and the right side board of the ship body and are matched with the left air chamber and the right air chamber.
2. The collapsible high stiffness inflatable liferaft of claim 1, wherein the symmetrically distributed hull main panels comprise three major parts, namely a left part, a middle part and a right part, and are distributed in each panel; the left side of the hull main board comprises a left bow connecting plate, a port front plate, a port rear plate, a port connecting plate and a left stern connecting plate; the right side of the hull main board comprises a right bow connecting plate, a right side front plate, a right side rear plate, a right side connecting plate and a right stern connecting plate; the hull mainboard center includes bow board, bottom plate front bezel, bottom plate back plate, bottom plate connecting plate and transom, still includes preceding reinforcing plate and back reinforcing plate.
3. the collapsible high stiffness inflatable liferaft of claim 2, wherein a gap is left between the panels of the hull main panels, and the surface of the upper cladding layer and the cladding layer has edge lines right against the panels contained in the hull main panels.
4. the collapsible high stiffness inflatable liferaft of claim 1, wherein the left and right air chambers and the lower covering layer are connected together by gluing.
5. The collapsible high stiffness inflatable liferaft of claim 1, wherein a plurality of filamentous fibers are longitudinally distributed in the left air chamber or/and the right air chamber.
6. The collapsible high stiffness inflatable liferaft of claim 2, wherein four zippers are glued to the back of the lower covering layer, opposite to the two sides of the bow connecting plate and opposite to the two sides of the stern connecting plate, respectively, for reinforcing and forming the main board of the hull when the hull is installed.
7. The collapsible high stiffness inflatable liferaft of claim 2, wherein the upper covering layer is right opposite to the hull at four positions, namely the port side front board, the port side rear board, the starboard side front board and the starboard side rear board, and is provided with four inflation valves which are matched with the left air chamber and the right air chamber to externally inflate the hull after the hull is built.
8. The collapsible high stiffness inflatable liferaft of claim 2, wherein the front reinforcing panel and the rear reinforcing panel are provided with a rope fastening means at left and right sides thereof and at the connecting panel at the corresponding positions, respectively, so as to connect the reinforcing panels and the hull main panels by using twisted ropes after the hull is completely installed.
9. The collapsible high stiffness inflatable liferaft of claim 2, wherein the lower covering layer has two handles glued right on the back panel of the bottom panel and the front panel of the bow panel, so as to be portable after receiving the ship.
CN201821714777.4U 2018-10-23 2018-10-23 Foldable large-rigidity inflatable life raft Active CN209757473U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109159867A (en) * 2018-10-23 2019-01-08 公安部上海消防研究所 The foldable big rigidity inflatable life-raft of one kind and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109159867A (en) * 2018-10-23 2019-01-08 公安部上海消防研究所 The foldable big rigidity inflatable life-raft of one kind and application method
CN109159867B (en) * 2018-10-23 2023-09-01 应急管理部上海消防研究所 Foldable high-rigidity inflatable life raft and application method

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