CN118083088A

CN118083088A - Folding life raft

Info

Publication number: CN118083088A
Application number: CN202410526515.9A
Authority: CN
Inventors: 石恩典; 王健
Original assignee: Weihai Yulin Shipbuilding Technology Co ltd
Current assignee: Weihai Yulin Shipbuilding Technology Co ltd
Priority date: 2024-04-29
Filing date: 2024-04-29
Publication date: 2024-05-28
Anticipated expiration: 2044-04-29
Also published as: CN118083088B

Abstract

The invention discloses a folding life raft, which relates to the technical field of life rafts and comprises elastic blocks, wherein grooves are formed in the left side and the right side of each elastic block, a fixed rectangular frame is fixedly connected to the top and the bottom of each elastic block, when the device is put on the water surface, the elastic blocks, baffle plates, L-shaped plates, transverse plates and the like are mutually matched, so that the device can be normally used, operators are not required to adjust the position of the life raft again, people can sit on the top of the transverse plates above, meanwhile, a movable rod is rotated, and the movable rod rotates and moves through external threads and threaded holes in a connecting rod, so that the baffle plates can be driven to move, the length of the movable rod can be adjusted, the movable life raft is convenient to use, if the size of the baffle plates needs to be adjusted, bolts are taken out, the L-shaped plates are swung, and the adjacent L-shaped plates are mutually attracted through limiting magnets, so that the size of the baffle plates is enlarged.

Description

Folding life raft

Technical Field

The invention relates to the technical field of life rafts, in particular to a folding life raft.

Background

A liferaft is a rescue facility and equipment that a ship is equipped to leave a dangerous area in an emergency situation or to emergency evacuate from a victim ship, as well as flood fighting and disaster prevention special equipment.

However, there are problems in the use of the existing life raft, the existing life raft is inconvenient to detach the inflatable part, the existing life raft is inflated directly to the inside of the existing life raft, if the life raft is in use during a flood, sharp objects appear under water, the life raft can be punctured, air in the life raft flows out, at the moment, the life raft cannot be used, so that the cost of replacing or manufacturing the life raft is high, the length of the propeller is inconvenient to adjust, if the life raft is in use, when the life raft encounters a person falling into water or the objects in the water are fished, the life raft is large in volume, the short-distance moving operation is complicated, the situation of stranding or inconvenient operation can be caused, in the use of the propeller, the moving speed of the life raft can be influenced, and if the existing life raft is in an upside-down situation when the life raft is put into water, the position of the life raft needs to be readjusted manually or by an external machine, so that the rescue efficiency can be influenced.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a folding liferaft, which facilitates the disassembly and replacement of the liferaft itself, ensures the life of the liferaft, and at the same time allows for the adjustment of the length and size of the paddles.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a folding life raft, includes the elastic block, the fluting has all been seted up to the elastic block left and right sides, the fixed rectangle frame of equal fixedly connected with in elastic block top and bottom, the spout has all been seted up to fixed rectangle frame inner chamber lateral wall, fixed rectangle frame inner chamber all is equipped with the kickboard, the equal swing joint of spout inner chamber has the slider, four one side fixedly connected with at the kickboard outside edge of fixed rectangle frame is kept away from to the slider, one side equal fixedly connected with diaphragm of elastic block is kept away from to the kickboard, the fluting inner chamber all is equipped with two and aerifys the frame, the fluting inner chamber all is equipped with inflation mechanism.

Preferably, the inflation mechanism comprises two first springs, the two first springs are located adjacent fluting inner chamber respectively, equal fixedly connected with in fluting lateral wall in first spring top and bottom, equal fixedly connected with montant in fluting inner chamber top and bottom, the montant is located adjacent first spring inner chamber, adjacent two the equal fixedly connected with fixed disk of the corresponding one end of montant, adjacent two the equal fixedly connected with connecting magnet of corresponding one side of fixed disk, it all is equipped with the arc to aerify frame top and bottom, the equal fixedly connected with a plurality of second spring of aerify frame top and bottom, a plurality of the second spring is kept away from the one end of aerifing the frame and is fixed connection in adjacent arc one side jointly, adjacent two the arc outside edge is fixed connection in the elasticity parcel frame jointly, the through-hole has all been seted up to one side that the elastic block center department was kept away from at aerify frame top the connecting hole has all been seted up at the arc top, the equal fixedly connected with hose in through-hole inner chamber, the hose top runs through the connecting hole that is adjacent, the top is equipped with hose edge fixedly connected with sealing plug, the hose edge is kept away from the sealing plug edge fixedly connected with in the outside at one side of the hose.

Preferably, one side of elastic block is kept away from to fixed rectangle frame is equal fixedly connected with elastic rope, the equal fixedly connected with go-between of one end that fixed rectangle frame was kept away from to elastic rope, go-between inner chamber all runs through and is equipped with the connecting rod, the equal fixedly connected with elastic rod of one end that elastic block center department was kept away from to the connecting rod, the equal fixedly connected with elastic ring of one end that the connecting rod was kept away from to the elastic rod, one side that the connecting rod outside edge is close to the elastic ring is equal fixedly connected with solid fixed ring, the first screw hole has all been seted up to the one end that the elastic rod was kept away from to the connecting rod.

Preferably, the first threaded hole inner chamber all is equipped with the movable rod, the movable rod is kept away from the equal fixedly connected with limiting disc of one end of connecting rod, the movable rod outside edge all is equipped with the baffle, the baffle inner chamber is seted up spacing hole, spacing hole cover is established at the movable rod outside edge, spacing hole top and bottom are all set up flutedly, the one side that the elastic rod was kept away from to movable rod top and bottom is equal fixedly connected with flange, the flange is located adjacent recess inner chamber, the one side that the elastic rod was close to the movable rod outside edge is equal fixedly connected with external screw thread, the external screw thread is threaded connection setting with first threaded hole.

Preferably, both sides are close to top and bottom department equal fixedly connected with fixed plate around the baffle, are located two with one side joint has the L shaped plate between the fixed plate, the spread groove has all been seted up to one side that the baffle was kept away from to the L shaped plate, spacing magnet of equal fixedly connected with of spread groove inner chamber, both sides department all has been seted up two second screw holes around being close to the baffle inner chamber, the L shaped plate inner chamber is close to both sides department and has all been seted up the third screw hole, the equal threaded connection of second screw hole inner chamber has the bolt, adjacent third screw hole is all run through to bolt top and bottom.

Preferably, the equal fixedly connected with elasticity rectangle frame of elasticity piece left and right sides, elasticity rectangle frame outside edge all overlaps and is equipped with the elasticity frame, the equal fixedly connected with sealing washer of elasticity frame inner chamber, the equal fixedly connected with rope in both sides around the elasticity frame, the equal fixedly connected with fixed column of both sides department about being close to the elasticity piece, the equal fixedly connected with fixed block of one end that the elasticity piece was kept away from to the fixed column.

Preferably, the regulation hole has all been seted up to one side that the fixed column inner chamber is close to the elastic block, the fourth screw hole has all been seted up to one side that the fixed column inner chamber was kept away from the elastic block, the rope is kept away from the one end of elastic frame and is run through adjacent regulation hole to twine at adjacent fixed column outside edge, the one end that the rope was kept away from the elastic frame is all fixedly connected with threaded rod, the threaded rod runs through adjacent fourth screw hole to rather than threaded connection.

Compared with the prior art, the invention has the beneficial effects that:

According to the invention, through the mutual matching among the structures such as the elastic blocks, the baffle plates, the L-shaped plates and the transverse plates, the device can be normally used when being put on the water surface, the position of the liferaft is not required to be adjusted again by operators, people can sit on the top of the transverse plates above, meanwhile, the movable rods are rotated and moved through the external threads and the threaded holes in the connecting rods, so that the baffle plates are driven to move, the length of the baffle plates can be adjusted, the baffle plates can be used conveniently, if the size of the baffle plates is required to be adjusted, the bolts are taken out, the L-shaped plates are swung, and the adjacent L-shaped plates are mutually attracted through the limit magnets, so that the size of the baffle plates is enlarged;

Through the mutual cooperation between the structures such as the inflatable frame, the elastic wrapping frame, the elastic frame and the rope, the inflatable frame is inflated through the hose in advance, the inflatable frame is expanded, the elastic wrapping frame is placed inside the elastic block after being opened, the first spring inside the elastic block is stretched, the adjacent connecting magnets are mutually far away, the elastic frame is matched with the elastic rectangular frame in size to be placed, the rope passes through and is wound on the surface of the fixed column, the rope and the elastic frame are limited through the threaded rod, and therefore the overall safety of the device is guaranteed, and the leakage condition caused by the fact that the device bumps sharp objects is avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a bottom perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the elastic frame structure of the component of the present invention;

FIG. 5 is a schematic view of the floating plate structure of the component of the present invention;

FIG. 6 is a schematic view of the elastic block structure of the component of the present invention;

FIG. 7 is a schematic view of a first spring construction of a component of the present invention;

FIG. 8 is a schematic view of the structure of the component fixing column of the present invention;

FIG. 9 is a schematic view of the structure of the elastic wrapping frame of the component of the present invention;

FIG. 10 is an exploded view of the inflatable frame of the present invention;

FIG. 11 is a schematic view of the structure of the connecting rod of the component of the present invention;

FIG. 12 is an exploded view of the component connecting rod of the present invention;

FIG. 13 is a schematic view of the structure of a baffle plate of the present invention;

FIG. 14 is a schematic view of a component spacing magnet of the present invention;

Fig. 15 is an enlarged view of fig. 10 at a.

Reference numerals in the drawings: 1. an elastic block; 2. fixing a rectangular frame; 3. an elastic rectangular frame; 4. an elastic frame; 5. a floating plate; 6. a rope; 7. a threaded rod; 8. a cross plate; 9. a slide block; 10. a first spring; 11. a vertical rod; 12. a fixed plate; 13. a connecting magnet; 14. fixing the column; 15. a fixed block; 16. an elastic wrapping frame; 17. an arc-shaped plate; 18. a second spring; 19. an inflatable frame; 20. a connecting rod; 21. a connecting ring; 22. an elastic rope; 23. an elastic rod; 24. an elastic ring; 25. a baffle; 26. a movable rod; 27. a convex plate; 28. a limiting disc; 29. a fixing ring; 30. an L-shaped plate; 31. a bolt; 32. a fixing plate; 33. a limit magnet; 34. a hose; 35. a sealing plug; 36. an elastic plate.

Detailed Description

Referring to fig. 1-3, fig. 5, and fig. 11-14, the present invention provides a technical solution: the folding life raft comprises an elastic block 1, grooves are formed in the left side and the right side of the elastic block 1, a fixed rectangular frame 2 is fixedly connected to the top and the bottom of the elastic block 1, sliding grooves are formed in the side walls of the inner cavities of the fixed rectangular frame 2, floating plates 5 are arranged in the inner cavities of the fixed rectangular frame 2, sliding blocks 9 are movably connected to the inner cavities of the sliding grooves, one sides, far away from the fixed rectangular frame 2, of the four sliding blocks 9 are fixedly connected to the outer side edge of the floating plates 5, a transverse plate 8 is fixedly connected to one side, far away from the elastic block 1, of the floating plates 5, two inflatable frames 19 are arranged in the inner cavities of the grooves, and inflatable mechanisms are arranged in the inner cavities of the grooves;

The side of the fixed rectangular frame 2 far away from the elastic block 1 is fixedly connected with an elastic rope 22, one end of the elastic rope 22 far away from the fixed rectangular frame 2 is fixedly connected with a connecting ring 21, the inner cavity of the connecting ring 21 is provided with a connecting rod 20 in a penetrating way, one end of the connecting rod 20 far away from the center of the elastic block 1 is fixedly connected with an elastic rod 23, one end of the elastic rod 23 far away from the connecting rod 20 is fixedly connected with an elastic ring 24, one side of the outer edge of the connecting rod 20 near the elastic ring 24 is fixedly connected with a fixed ring 29, one end of the connecting rod 20 far away from the elastic rod 23 is provided with a first threaded hole, the inner cavity of the first threaded hole is provided with a movable rod 26, one end of the movable rod 26 far away from the connecting rod 20 is fixedly connected with a limiting disc 28, the outer edge of the movable rod 26 is provided with a baffle 25, the inner cavity of the baffle 25 is provided with a limiting hole, the limiting hole is sleeved on the outer edge of the movable rod 26, the top and the bottom of the limiting hole are respectively provided with a groove, one sides of the top and the bottom of the movable rod 26 far away from the elastic rod 23 are respectively fixedly connected with a convex plate 27, the convex plates 27 are positioned in the inner cavities of the adjacent grooves, one sides of the outer edges of the movable rod 26 close to the elastic rod 23 are respectively fixedly connected with external threads, the external threads are in threaded connection with first threaded holes, the front side and the rear side of the baffle 25 are respectively fixedly connected with a fixed plate 32 close to the top and the bottom, an L-shaped plate 30 is jointly hinged between the two fixed plates 32 positioned on the same side, one sides of the L-shaped plate 30 far away from the baffle 25 are respectively provided with a connecting groove, the inner cavities of the connecting grooves are respectively fixedly connected with a limiting magnet 33, the positions of the inner cavities of the baffle 25 close to the front side and the rear side are respectively provided with two second threaded holes, the inner cavities of the L-shaped plate 30 are respectively provided with third threaded holes close to the left side and the right side, the inner cavities of the second threaded holes are respectively in threaded connection with bolts 31, the top end and the bottom end of the bolt 31 penetrate through the adjacent third threaded holes;

When this device is put in the surface of water, the top up or bottom up all can normal use to do not need operating personnel to adjust the position of life raft once more, crowd can sit the diaphragm 8 top of top, rotate movable rod 26 simultaneously, movable rod 26 rotates and removes through the screw hole of external screw thread with connecting rod 20 inside, thereby drive baffle 25 and remove, its length of adjustable, the convenient better use, if need to adjust the size of baffle 25, take out bolt 31, swing L shaped plate 30, adjacent L shaped plate 30 is through spacing magnet 33 inter attraction, thereby enlarge the size of baffle 25.

Further, please refer to fig. 1-4, fig. 6-10, fig. 15, the inflation mechanism comprises two first springs 10, the two first springs 10 are respectively located in adjacent slotted inner cavities, the top ends and the bottom ends of the first springs 10 are fixedly connected to the slotted side walls, the top ends and the bottom ends of the slotted inner cavities are fixedly connected with vertical rods 11, the vertical rods 11 are located in the adjacent first spring 10 inner cavities, the corresponding ends of the adjacent two vertical rods 11 are fixedly connected with fixed discs 12, the corresponding sides of the adjacent two fixed discs 12 are fixedly connected with connecting magnets 13, arc plates 17 are respectively arranged at the top ends and the bottom ends of the inflation frame 19, a plurality of second springs 18 are respectively fixedly connected to one side of the adjacent arc plates 17 at the top ends and the bottom ends of the inflation frame 19, the outer side edges of the adjacent arc plates 17 are respectively fixedly connected with an elastic wrapping frame 16, through holes are respectively formed in one side of the top ends of the inflation frame 19, which is far away from the center of the elastic block 1, connecting holes are respectively formed in the top ends of the arc plates 17, hoses 34 are respectively fixedly connected to the through holes, the top ends of the adjacent arc plates 34 penetrate through the corresponding sides of the adjacent two fixed discs 12, connecting magnets 13 are respectively, the top ends of the adjacent two ends of the flexible discs are fixedly connected with flexible hoses 34, the flexible hoses 34 respectively, the top ends are respectively 35 are fixedly connected with the outer side edges of the flexible sealing plugs respectively, and the outer side edges of the flexible sealing plugs are respectively, and the flexible sealing plugs are fixedly connected to the outer side edges of the flexible sealing plugs respectively, and the flexible sealing plugs respectively;

The left side and the right side of the elastic block 1 are fixedly connected with an elastic rectangular frame 3, the outer side edge of the elastic rectangular frame 3 is sleeved with an elastic frame 4, the inner cavity of the elastic frame 4 is fixedly connected with a sealing ring, the front side and the rear side of the elastic frame 4 are fixedly connected with ropes 6, the front side and the rear side of the elastic block 1 are close to the left side and the right side and are fixedly connected with fixing columns 14, one ends of the fixing columns 14, which are far away from the elastic block 1, are fixedly connected with fixing blocks 15, adjusting holes are formed in one sides of the inner cavity of the fixing columns 14, which are close to the elastic block 1, fourth threaded holes are formed in one sides of the inner cavity of the fixing columns 14, one ends of the ropes 6, which are far away from the elastic frame 4, penetrate through the adjacent adjusting holes and are wound on the outer side edge of the adjacent fixing columns 14, one ends of the ropes 6, which are far away from the elastic frame 4, are fixedly connected with threaded rods 7, and the threaded rods 7 penetrate through the adjacent fourth threaded holes and are in threaded connection;

The inflatable frame 19 is inflated through the hose 34 in advance, the inflatable frame 19 is inflated to be larger, the elastic wrapping frame 16 is expanded, the elastic wrapping frame 3 is placed inside the elastic block 1 after being opened, the first spring 10 inside the elastic block 1 is stretched, the adjacent connecting magnets 13 are far away from each other, the elastic frame 4 is matched with the elastic rectangular frame 3 in size to be placed, the rope 6 is penetrated and wound on the surface of the fixed column 14, the rope 6 and the elastic frame 4 are limited through the threaded rod 7, and therefore the overall safety of the device is guaranteed, and the air leakage condition caused by the fact that the device encounters sharp objects is avoided.

Working principle: before the device starts to work, firstly, the inside of each inflatable frame 19 is inflated, an operator takes out the sealing plugs 35 from the inside of the flexible pipes 34, the flexible pipes 34 are aligned by external inflation equipment, gas enters the inside of the inflatable frames 19 through the flexible pipes 34, the inflatable frames 19 gradually become larger, the inflatable frames 19 themselves become larger and drive the second springs 18 to compress, the elastic wrapping frames 16 become larger, the arc plates 17 move, after the inflation is completed, the sealing plugs 35 are plugged into the inside of the flexible pipes 34 again, then the operator can put the inflatable frames 19 into the elastic blocks 1, firstly, the elastic rectangular frames 3 are opened, then the inflatable frames 19 are pushed by external equipment or a plurality of operators, the inflatable frames 19 are put into the elastic blocks 1, the first springs 10 in the elastic blocks 1 are stretched while the inflatable frames 19 are put into the elastic blocks 1, the two connecting magnets 13 which are mutually attached and attracted before are mutually far away so as to prop up the elastic block 1, then an operator places the elastic frame 4 on the surface of the elastic rectangular frame 3, the elastic frame 4 seals the surface of the elastic rectangular frame 3 through a sealing ring, the rope 6 is lifted, the rope 6 and the threaded rod 7 pass through the fixed column 14, the rope 6 is wound on the surface of the fixed column 14, the threaded rod 7 is rotated into the fixed column 14 so as to limit the rope 6 and the elastic frame 4, after the operation of the steps is finished, the device can be started to be used, when the device is put into water, the top of the device faces upwards or the bottom of the device faces upwards, so that the rescue efficiency is improved, when the device is used by an operator, the operator firstly lifts the connecting rod 20, the connecting rod 20 drives the connecting ring 21 to move, the connecting ring 21 drives the elastic rope 22 to stretch, the length of the elastic rope 22 can be adjusted according to actual conditions, then an operator can pass hands through the elastic ring 24, the elastic ring 24 is sleeved on a wrist or an arm for use, if the length of the connecting rod 20 needs to be prolonged, the operator rotates the movable rod 26, the movable rod 26 rotates and moves through the external threads and the threaded holes in the connecting rod 20, the effect of prolonging the connecting rod 20 is achieved, the baffle 25 can move on the surface of the movable rod 26, the convex plate 27 limits the rotation of the baffle 25, the baffle 25 can only move and cannot rotate, after the connecting rod 20 is prolonged, articles on the water can be fished or people in water are helped to approach the life raft, if the device moves, the baffle 25 is found to be smaller, the moving speed of the device is slower, at this time, the size of the baffle 25 can be adjusted, the operator rotates the bolts 31, the bolts 31 are taken out from the baffle 25 and the L-shaped plates 30 are folded and expanded, the adjacent two L-shaped plates 30 can be mutually attracted and combined through the limit magnet 33, the effect of expanding the size of the baffle 25 is achieved, and the operator can sit on the top of the rescue seat 8 when the rescue device is used Fang Hengban.

Claims

1. A folding liferaft comprising an elastic block (1), characterized in that: the utility model discloses a fixed rectangular frame (2) of elastic block (1), including fixed rectangular frame (2) and fixed rectangular frame (2) of elastic block (1), fixed rectangular frame (2) inner chamber lateral wall has all been seted up the spout, fixed rectangular frame (2) inner chamber all is equipped with floating plate (5), the equal swing joint of spout inner chamber has slider (9), four one side fixed connection at floating plate (5) outside edge of fixed rectangular frame (2) is kept away from to slider (9), one side equal fixedly connected with diaphragm (8) of elastic block (1) are kept away from to floating plate (5), the fluting inner chamber all is equipped with two inflatable frame (19), the fluting inner chamber all is equipped with inflation mechanism.

2. A folding liferaft according to claim 1 wherein: the inflation mechanism comprises two first springs (10), the two first springs (10) are respectively positioned in adjacent grooving inner cavities, the top ends and the bottom ends of the first springs (10) are fixedly connected to grooving side walls, one ends of the second springs (18) far away from the inflating frame (19) are fixedly connected to one side of the adjacent grooving inner cavities, the outer side edges of the adjacent arc plates (17) are fixedly connected with an elastic wrapping frame (16) together, one ends corresponding to the vertical rods (11) are fixedly connected with a fixing disc (12), the adjacent two opposite sides of the fixing disc (12) are fixedly connected with a connecting magnet (13), the top and the bottom of the inflating frame (19) are respectively provided with an arc plate (17), the top ends and the bottom of the inflating frame (19) are fixedly connected with a plurality of second springs (18), one ends of the second springs (18) far away from the inflating frame (19) are fixedly connected to one side of the adjacent arc plates (17), the outer side edges of the adjacent arc plates (17) are fixedly connected with an elastic wrapping frame (16) together, one sides of the top of the inflating frame (19) far away from the center of the elastic block (1) are respectively provided with an arc plate (34), the top ends of the hose (34) are respectively provided with a through hole (34), the outside edge of sealing plug (35) fixedly connected with elastic plate (36), one side that elastic plate (36) kept away from sealing plug (35) is fixed connection in hose (34) outside edge.

3. A folding liferaft according to claim 1 wherein: the fixed rectangular frame (2) is kept away from one side of elastic block (1) and is all fixedly connected with elastic rope (22), elastic rope (22) is kept away from one end of fixed rectangular frame (2) and is all fixedly connected with go-between (21), go-between (21) inner chamber all runs through and is equipped with connecting rod (20), connecting rod (20) are kept away from one end of elastic block (1) center department and are all fixedly connected with elastic rod (23), elastic rod (23) are kept away from one end of connecting rod (20) and are all fixedly connected with elastic ring (24), one side that elastic ring (24) are close to in connecting rod (20) outside edge is all fixedly connected with solid fixed ring (29), first screw hole has all been seted up to one end that elastic rod (23) was kept away from to connecting rod (20).

4. A folding liferaft according to claim 3 wherein: the utility model discloses a movable rod (26) is kept away from to first screw hole inner chamber, the equal fixedly connected with limiting plate (28) of one end of connecting rod (20) is kept away from to movable rod (26), movable rod (26) outside edge all is equipped with baffle (25), limiting hole has been seted up to baffle (25) inner chamber, limiting hole cover is established at movable rod (26) outside edge, limiting hole top and bottom all are seted up flutedly, one side equal fixedly connected with flange (27) of elastic rod (23) is kept away from to movable rod (26) top and bottom, flange (27) are located adjacent recess inner chamber, one side equal fixedly connected with external screw thread that elastic rod (23) are close to movable rod (26) outside edge, the external screw thread is threaded connection setting with first screw hole.

5. A folding liferaft according to claim 4 wherein: the baffle is characterized in that fixed plates (32) are fixedly connected to the front side and the rear side of the baffle (25) close to the top and the bottom, two fixed plates (32) are arranged on the same side, an L-shaped plate (30) is hinged between the fixed plates (32) together, a connecting groove is formed in one side, far away from the baffle (25), of each L-shaped plate (30), a limit magnet (33) is fixedly connected to the inner cavity of each connecting groove, two second threaded holes are formed in the inner cavity of the baffle (25) close to the front side and the rear side, third threaded holes are formed in the inner cavity of each L-shaped plate (30) close to the left side and the right side, bolts (31) are connected with the inner cavities of the second threaded holes in a threaded mode, and the top ends and the bottom ends of the bolts (31) penetrate through the adjacent third threaded holes.

6. A folding liferaft according to claim 1 wherein: the elastic block (1) is fixedly connected with an elastic rectangular frame (3) on the left side and the right side, an elastic frame (4) is sleeved on the outer side edge of the elastic rectangular frame (3), a sealing ring is fixedly connected to the inner cavity of the elastic frame (4), ropes (6) are fixedly connected to the front side and the rear side of the elastic frame (4), fixing columns (14) are fixedly connected to the front side and the rear side of the elastic block (1) close to the left side and the right side, and the fixing columns (14) are far away from the fixing blocks (15) which are fixedly connected to one end of the elastic block (1).

7. A folding liferaft according to claim 6 wherein: the utility model discloses a flexible cable, including elastic block (1) and fixed column (14), fixed column (14) inner chamber, the regulation hole has all been seted up to one side that is close to elastic block (1) in the fixed column (14) inner chamber, the fourth screw hole has all been seted up to one side that elastic block (1) was kept away from to the fixed column (14) inner chamber, the one end that elastic frame (4) was kept away from to rope (6) runs through adjacent regulation hole to twine at adjacent fixed column (14) outside edge, the equal fixedly connected with threaded rod (7) of one end that elastic frame (4) was kept away from to rope (6), threaded rod (7) run through adjacent fourth screw hole to with its threaded connection.