Sectional inflatable life raft

Abstract

The application discloses a segmented inflatable life raft and relates to the technical field of lifesaving equipment. The segmented inflatable life raft comprises a life raft mechanism, a raft bottom mechanism arranged at the bottom of the life raft mechanism, and an inflation mechanism arranged at the side of the life raft mechanism. The life raft mechanism comprises a raft head structure, the inner side of the raft head structure is provided with an arc-shaped gasket ring, one side of the raft head structure is fixedly connected with a first one-way valve, and the one end of the first one-way valve is fixedly connected with a shoulder inflatable raft. The raft head structure is arranged at the head position, and the arc-shaped gasket ring is arranged on the inner side to conveniently wrap the head. The elastic bandage is arranged on the arc-shaped gasket ring and is connected with the sliding seat and the sliding block, so that the head is conveniently bound, the elastic bandage is a elastic band, and the elastic bandage is convenient to use according to different head sizes. Handles are symmetrically arranged at the top and the side of the raft head structure, the handles are convenient to adjust and use when being sleeved on the head, and the handles are convenient to use in cooperation with subsequent segmented inflation, and the operation convenience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lifesaving equipment, in particular to a segmented inflatable life raft. BACKGROUND

[0002] The life raft is an important device for ensuring the safety of personnel in emergency situations such as ships and aircraft, and its performance is directly related to the survival rate of the people in distress.

[0003] In the prior art, such as patent publication number CN113636041A, "a sea emergency inflatable life raft", including an inflatable life raft body, the inside of the inflatable life raft body is fixedly connected with a material box, the upper side of the material box penetrates the inflatable life raft body and extends to the upper side of the inflatable life raft body, the upper surface of the material box is hinged with a cover, the lower side of the material box penetrates the inflatable life raft body and extends to the lower side of the inflatable life raft body. The sea emergency inflatable life raft, while water reacts with calcium hydride to generate hydrogen gas, other substances will also be generated and remain inside the fixed box, and when the partition plate is pulled up, the second hook will be stuck in the hanging ring. Pulling the handle can make the sealing plate separate from the fixed box, so that the generated other products flow into seawater, causing pollution and odor, and driving away the fish around the ship body, achieving the purpose of helping the rescued personnel to escape danger when surrounded by carnivorous fish.

[0004] The existing inflatable life raft is mostly a whole inflatable structure, which has a large volume after inflation during use, thereby making it difficult for the person falling into the water in an emergency to climb, and even causing the problem of decreased use effect. To solve the above problems, a segmented inflatable life raft is proposed. SUMMARY

[0005] The present application aims to provide a segmented inflatable life raft to solve the problem of the prior art that the inflatable life raft is mostly a whole inflatable structure, which has a large volume after inflation during use, thereby making it difficult for the person falling into the water in an emergency to climb, and even causing the problem of decreased use effect.

[0006] In order to achieve the above object, the present application provides the following technical scheme: The sectional inflatable life raft comprises a life raft mechanism, the bottom of the life raft mechanism is provided with a raft bottom mechanism, the side of the life raft mechanism is provided with an inflation mechanism, the life raft mechanism comprises a raft head structure, the inner side of the raft head structure is provided with an arc gasket, one side of the raft head structure is fixedly connected with a first one-way valve, one end of the first one-way valve is fixedly connected with a shoulder inflatable raft, one side of the shoulder inflatable raft is fixedly connected with two second one-way valves, the output end of the second one-way valve is fixedly connected with a chest inflatable raft, the bottom of the chest inflatable raft is fixedly connected with two third one-way valves, the output end of the third one-way valve is fixedly connected with a waist inflatable raft, one end of the waist inflatable raft is fixedly connected with two fourth one-way valves, the output end of the fourth one-way valve is fixedly connected with a tail inflatable raft, one side of the tail inflatable raft is fixedly connected with a fifth one-way valve.

[0007] The inflation mechanism comprises an inflation tank, one end of the inflation tank is fixedly connected with an inflation hose, one end of the inflation hose is fixedly connected with a double-head inflation pipe, both ends of the double-head inflation pipe are fixedly connected at the bottom of the raft head structure, and the bottom of the raft head structure is provided with a water level sensor.

[0008] Preferably, the raft bottom mechanism comprises a raft bottom inflatable pad, the output end of the fifth one-way valve is fixedly connected on the raft bottom inflatable pad, and the bottom of the raft bottom inflatable pad is symmetrically provided with a wear-resistant pad layer.

[0009] Preferably, one end of the bottom of the raft bottom inflatable pad is symmetrically provided with a connecting piece, one end of the connecting piece is fixedly connected with a binding belt, the binding belt is fixedly connected at the bottom of the raft bottom inflatable pad, and one end of the binding belt is fixedly connected with a connecting belt.

[0010] Preferably, a plurality of cross reinforcing belts are uniformly distributed between the two binding belts, a straight reinforcing belt is uniformly fixedly installed on one side of the binding belt, and one end of the straight reinforcing belt is fixedly connected on the side of the wear-resistant pad layer.

[0011] Preferably, a plurality of cross connecting belts are uniformly distributed in the middle of the connecting belt, an adhesive member is arranged on one end of the connecting belt, and one end of the raft bottom inflatable pad is provided with an exhaust valve.

[0012] Preferably, the outer side of the inflation tank is symmetrically fixedly installed with a mounting piece, and the mounting piece is fixedly installed on one side of the raft head structure.

[0013] Preferably, one end of the inflation tank is fixedly connected with a connecting elbow, one end of the connecting elbow is fixedly connected with an inflation pump, and the side of the inflation pump is provided with a control box.

[0014] Preferably, the bottom of the control box is fixedly connected with a sensing line, one end of the sensing line is fixedly connected with a water level sensor.

[0015] Preferably, symmetrical slide seats are fixedly installed on the arc-shaped grommet, slide blocks are installed on the inner side of the slide seats, elastic bands are fixedly connected between the two slide blocks, handles are symmetrically arranged on the top and side of the raft head structure, two hook surface bands and wool surface bands are respectively arranged on the inner side of the waist inflatable raft, the hook surface bands and the wool surface bands are mutually bonded, and leg joint fixing structures are arranged on the inner side of the tail inflatable raft.

[0016] Preferably, a first gusset block is fixedly connected to the bottom of the raft head structure, a second gusset block is arranged on the bottom of the shoulder inflatable raft, through grooves are formed at both ends of the chest inflatable raft, and a communication pipeline is fixedly connected between the two tail inflatable rafts.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The raft head structure is provided at the head position and is provided with an arc-shaped pad ring connected to the inner side, which is convenient for wrapping the head. The arc-shaped pad ring is provided with an elastic strap and is connected with the sliding seat and the sliding block, so that the head is convenient to be tied. The elastic strap is an elastic band, which is convenient for use according to different head sizes. The top and side surfaces of the raft head structure are symmetrically provided with handles, which are convenient for adjustment when it is put on the head, thereby improving the convenience of operation. The raft head structure and the shoulder inflatable raft are connected in sections by a first one-way valve, so that after the raft head structure is filled with gas, the first one-way valve is used to transport gas to the shoulder inflatable raft and the second pad support block, further improving the use effect. The first pad support block can cooperate with the second pad support block to improve the support stability of the head and shoulders. The chest inflatable raft is connected with the shoulder inflatable raft by the second one-way valve, so that during use, gas is further transported to the chest inflatable raft to prop it up, making it convenient to set the chest inflatable raft at the chest position, providing a buoyancy effect, and at the same time providing The invention has a protective effect, and the hand support is convenient for the hand support through the slot, which improves the stability during use. It is connected to the waist inflatable raft through the third one-way valve, so as to provide back support after the segmented inflation. A hook-surface strap and a fleece-surface strap are provided on the inner side of the waist inflatable raft, which are used to be tied to the abdomen to facilitate further fixation, which is conducive to improving the stability during use. The tail inflatable raft is connected through the fourth one-way valve, so that the legs and feet are wrapped by the tail inflatable raft and inflated in segments, which is conducive to providing floating effect to the legs. The leg joint fixing structure is wrapped at the leg joint position, which is conducive to further improving the stability of use. The tail inflatable raft is connected by a connecting pipe to facilitate improving the balance of gas delivery. It is connected to the raft bottom inflatable cushion through the fifth one-way valve, which is convenient for providing further gas delivery to the position of the raft bottom inflatable cushion, thereby realizing the function of segmented inflation, which is conducive to facilitating the climbing of people who fall into the water in an emergency, improving the convenience of operation, and ensuring the safety of use.

[0019] 2、The raft inflatable pad is arranged at the bottom, which is beneficial to the stability of lifting and floating after complete inflation, thereby ensuring safety, the wear-resistant pad layer is symmetrically distributed at both ends of the bottom of the raft inflatable pad, and the end part is wrapped, which is beneficial to providing protection effect when side scraping occurs, avoiding easy scratching of the raft inflatable pad, thereby prolonging the service life and ensuring safety during use, the connecting piece is arranged at the bottom of the raft inflatable pad, and the connecting belt is connected through the binding belt, the adhesive member is arranged at one end of the connecting belt, when the rescue work is completed and storage is carried out, the exhaust valve can be opened first, and the gas is sequentially exhausted in the air inlet direction through external pressing, then the winding is carried out, the connecting belt is wound on the outer side of the connecting piece, the adhesive member is adhered to the connecting piece, thereby realizing convenient storage work, the cross reinforcing belt is distributed between the binding belts, and the straight reinforcing belt is distributed on the side surface of the binding belt, which is beneficial to improving the wear resistance and scratch resistance of the bottom, thereby ensuring stable use effect, the cross connecting belt can ensure the strength of the connecting belt, thereby improving the stability after binding.

[0020] 3、The water level sensor is arranged at the bottom of the raft head structure, which is beneficial to the contact of the water level sensor with water source for sensing after the life raft is put into water, and then inflation work is carried out, the inflation tank is arranged on the side surface of the raft head structure, the inflation hose is communicated with the double-head inflation pipe on the raft head structure, thereby facilitating the opening of the internal valve and the segmented inflation function of the inside of the life raft mechanism, the installation piece can be stably connected and installed, the inflation pump is communicated with the connecting elbow pipe on the inflation tank, thereby facilitating the addition of gas to the inside of the inflation tank, and the inflation pump is designed to be waterproof, which can ensure use on water, the control box is connected with the sensing line on the water level sensor, thereby facilitating the transmission of data sensed by the water level sensor to the control box, and controlling the inflation pump to work, realizing efficient inflation work, thereby ensuring rapid inflation work after the life raft is put into water, improving the operation efficiency, and effectively protecting the safety of the person falling into water. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a sectional view of the segmented inflation life raft of the application;

[0022] Figure 2 It is another angle structure schematic view of the segmented inflation life raft of the application;

[0023] Figure 3 It is a raft head part structure schematic view of the segmented inflation life raft of the application;

[0024] Figure 4 It is an enlarged structure schematic view of A in the application Figure 3 ;

[0025] Figure 5 This is a schematic structural diagram of the bow portion of the segmented inflatable liferaft of the present invention;

[0026] Figure 6 For the present invention Figure 5 A schematic diagram of the structure at point B in FIG.

[0027] Figure 7 This is a schematic structural diagram of the hull portion of the segmented inflatable liferaft of the present invention;

[0028] Figure 8 This is a schematic structural diagram of the stern portion of the segmented inflatable life raft of the present invention;

[0029] Figure 9 This is a schematic diagram of the bottom structure of the segmented inflatable life raft of the present invention;

[0030] Figure 10 For the present invention Figure 9 The enlarged structural diagram at C in FIG.

[0031] In the picture:

[0032] 1. Life raft mechanism; 101. Raft bow structure; 102. Arc-shaped gasket; 103. Elastic strap; 104. Sliding seat; 105. Sliding block; 106. Handle; 107. First one-way valve; 108. Shoulder inflatable raft; 109. Second one-way valve; 110. First cushioning block; 111. Second cushioning block; 112. Chest inflatable raft; 113. Through slot; 114. Third one-way valve; 115. Waist inflatable raft; 116. Hook strap; 117. Loose strap; 118. Fourth one-way valve; 119. Tail inflatable raft; 120. Leg joint fixing structure; 12 1. Connecting pipe; 122. Fifth one-way valve; 2. Raft bottom mechanism; 201. Raft bottom air cushion; 202. Wear-resistant cushion layer; 203. Connecting piece; 204. Binding strap; 205. Cross reinforcement strap; 206. Straight reinforcement strap; 207. Connecting strap; 208. Adhesive; 209. Cross connecting strap; 210. Exhaust valve; 3. Inflating mechanism; 301. Inflating tank; 302. Mounting piece; 303. Inflating hose; 304. Double-ended inflating tube; 305. Inflating pump; 306. Control box; 307. Connecting elbow; 308. Sensing line; 309. Water level sensor. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] Example 1: Figures 1-10 As shown, the present invention provides a technical solution: a segmented inflatable liferaft, comprising a liferaft mechanism 1, a raft bottom mechanism 2 is provided at the bottom of the liferaft mechanism 1, an inflation mechanism 3 is provided on the side of the liferaft mechanism 1, the liferaft mechanism 1 comprises a raft head structure 101, an arc-shaped gasket ring 102 is provided on the inner side of the raft head structure 101, a first one-way valve 107 is fixedly connected to one side of the raft head structure 101, one end of the first one-way valve 107 is fixedly connected to a shoulder inflatable raft 108, one side of the shoulder inflatable raft 108 is fixedly connected to two second one-way valves 109, an output end of the second one-way valve 109 is fixedly connected to a chest inflatable raft 112, two third one-way valves 114 are fixedly connected to the bottom of the chest inflatable raft 112, an output end of the third one-way valve 114 is fixedly connected to a waist inflatable raft 115, one end of the waist inflatable raft 115 is fixedly connected to two fourth one-way valves 118, and the output ends of the fourth one-way valve 118 are fixedly connected The tail inflatable raft 119 is fixedly connected to one side of the tail inflatable raft 119, and the fifth one-way valve 122 is fixedly connected to the side of the tail inflatable raft 119. The sliding seat 104 is symmetrically fixedly installed on the arc-shaped gasket 102, and the sliding block 105 is installed on the inner side of the sliding seat 104. An elastic strap 103 is fixedly connected between the two sliding blocks 105. The top and side of the raft head structure 101 are symmetrically provided with handles 106. The inner side of the waist inflatable raft 115 is provided with two hook straps 11 6 and the fleece strap 117, the hook strap 116 and the fleece strap 117 are bonded to each other, a leg joint fixing structure 120 is provided on the inner side of the tail inflatable raft 119, a first cushioning block 110 is fixedly connected to the bottom of the raft head structure 101, a second cushioning block 111 is provided at the bottom of the shoulder inflatable raft 108, through slots 113 are provided at both ends of the chest inflatable raft 112, and a connecting pipe 121 is fixedly connected between the two tail inflatable rafts 119;

[0035] The inflation mechanism 3 includes an inflation tank 301, one end of the inflation tank 301 is fixedly connected to an inflation hose 303, one end of the inflation hose 303 is fixedly connected to a double-headed inflation tube 304, both ends of the double-headed inflation tube 304 are fixedly connected to the bottom of the raft head structure 101, and a water level sensor 309 is provided at the bottom of the raft head structure 101.

[0036] In the embodiment, the raft head structure 101 is arranged at the head position, and the arc-shaped gasket ring 102 is arranged on the inner side to facilitate wrapping the head. The elastic band 103 is arranged on the arc-shaped gasket ring 102 and connected with the sliding seat 104 and the sliding block 105, so as to facilitate bundling the head. The elastic band 103 is an elastic band, which is convenient for use according to different head sizes. The handle 106 is symmetrically arranged on the top and side of the raft head structure 101, which facilitates adjustment when the head is wrapped, improves the convenience of operation, and improves the use effect. The first one-way valve 107 is arranged between the raft head structure 101 and the shoulder inflatable raft 108, so that after the raft head structure 101 is filled with gas, the first one-way valve 107 is used to deliver the gas to the shoulder inflatable raft 108 and the second gasket block 111, further improving the use effect. The first gasket block 110 can be matched with the second gasket block 111 to improve the support stability of the head and the shoulder. The second one-way valve 109 is arranged between the chest inflatable raft 112 and the shoulder inflatable raft 108, so that the gas can be further delivered to the chest inflatable raft 112 during use, so that the chest inflatable raft 112 is supported, and the chest inflatable raft 112 is arranged at the chest position to provide floating effect and protection effect. The through slot 113 is convenient for hand support and improves the stability during use. The third one-way valve 114 is connected to the waist inflatable raft 115, so that the back support effect is provided after the section is inflated. The hook surface band 116 and the wool surface band 117 are arranged on the inner side of the waist inflatable raft 115, which are used to bundle the abdominal position to realize further fixing effect and improve the stability during use. The fourth one-way valve 118 is connected to the tail inflatable raft 119, so that the leg and foot positions are wrapped by the tail inflatable raft 119 and inflated in sections, which is beneficial to provide floating effect for the leg position. The leg joint fixing structure 120 is wrapped around the leg joint position, which is beneficial to further improve the stability of use. The communication pipeline 121 is arranged between the tail inflatable rafts 119, which is convenient for improving the balance of gas delivery. The fifth one-way valve 122 is communicated with the raft bottom inflatable pad 201, which is convenient for providing further gas delivery effect for the position of the raft bottom inflatable pad 201, so as to realize the function of sectional inflation, which is convenient for the fallen person to climb in emergency, improves the convenience of operation, and ensures the safety of use.

[0037] The water level sensor 309 is arranged at the bottom of the raft head structure 101, which is convenient for sensing water source first after the life raft is put into water, and then inflating. The inflation tank 301 is arranged on the side of the raft head structure 101, and the inflation hose 303 is communicated with the double-head inflation pipe 304 to the raft head structure 101, so as to facilitate sectional inflation of the internal valve of the life raft mechanism 1.

[0038] Embodiment 2: as shown in Figure 1 , Figure 9 and Figure 10 The raft bottom mechanism 2 includes a raft bottom air cushion 201, the output ends of the fifth one-way valve 122 are fixedly connected to the raft bottom air cushion 201, the bottom of the raft bottom air cushion 201 is symmetrically provided with a wear-resistant pad layer 202, one end of the bottom of the raft bottom air cushion 201 is symmetrically provided with a connecting piece 203, one end of the connecting piece 203 is fixedly connected with a binding belt 204, the binding belt 204 is fixedly connected to the bottom of the raft bottom air cushion 201, one end of the binding belt 204 is fixedly connected with a connecting belt 207, a plurality of cross reinforcing belts 205 are uniformly distributed between the two binding belts 204, a straight reinforcing belt 206 is uniformly fixedly installed on one side of the binding belt 204, one end of the straight reinforcing belt 206 is fixedly connected to the side of the wear-resistant pad layer 202, a plurality of cross connecting belts 209 are uniformly distributed in the middle of the connecting belt 207, the connecting belt 207 is provided with an adhesive member 208 at one end, and one end of the raft bottom air cushion 201 is provided with an exhaust valve 210.

[0039] In this embodiment, the raft bottom air cushion 201 is arranged at the bottom, which is beneficial to the stability of lifting and floating after being fully inflated, thereby ensuring safety, the wear-resistant pad layer 202 is symmetrically distributed at both ends of the bottom of the raft bottom air cushion 201 and wraps the end part, which is beneficial to providing a protection effect when side scraping occurs, avoiding easy tearing of the raft bottom air cushion 201, thereby prolonging the service life and ensuring safety during use, the connecting piece 203 is arranged at the bottom of the raft bottom air cushion 201, and the connecting belt 207 is connected through the binding belt 204, the adhesive member 208 is arranged at one end of the connecting belt 207, when the rescue work is completed and storage is performed, the exhaust valve 210 can be opened first, and the gas is sequentially discharged according to the air inlet direction by external pressing and pressing, then the winding is performed, and the connecting belt 207 is wound outside the connecting piece 203, and the adhesive member 208 is adhered to the connecting piece 203, thereby realizing convenient storage work, the cross reinforcing belts 205 are distributed between the binding belts 204, and the straight reinforcing belts 206 are distributed on the side of the binding belts 204, which are beneficial to improving the wear resistance and scratch resistance of the bottom, thereby ensuring stable use effect, and the cross connecting belts 209 can ensure the strength of the connecting belt 207, thereby improving the stability after binding.

[0040] Embodiment 3: as shown in Figure 3 and Figure 4As shown, the outer side of the inflatable tank 301 is symmetrically fixedly installed with the mounting piece 302, which is fixedly installed on one side of the raft head structure 101, one end of the inflatable tank 301 is fixedly connected with the connecting elbow 307, one end of the connecting elbow 307 is fixedly connected with the inflator pump 305, the side of the inflator pump 305 is provided with the control box 306, the bottom of the control box 306 is fixedly connected with the sensing line 308, one end of the sensing line 308 is fixedly connected with the water level sensor 309.

[0041] In this embodiment, through the stable connection and installation effect of the mounting piece 302, the inflator pump 305 is connected with the connecting elbow 307 to communicate with the inflatable tank 301, thereby facilitating the addition of gas to the inside of the inflatable tank 301, and the inflator pump 305 can be quickly supplemented when the gas is insufficient, and the inflator pump 305 is waterproof designed to ensure use on water, the water level sensor 309 is connected with the control box 306 and the sensing line 308, thereby facilitating the transmission of data sensed by the water level sensor 309 to the control box 306, and controlling the inflator pump 305 to work, realizing efficient inflation work, thereby ensuring that the life raft is quickly inflated after being put into water, improving the operation efficiency, and effectively protecting the safety of the person falling into water.

[0042] In the application, the sectional inflatable life raft is used first. The water level sensor 309 is arranged at the bottom of the raft head structure 101, which facilitates the first contact with the water source after the life raft is put into the water, and then the inflation work is carried out. The inflation tank 301 is arranged on the side of the raft head structure 101, and is communicated with the double-head inflation pipe 304 through the inflation hose 303 on the raft head structure 101, so that the sectional inflation function is realized by opening the internal valve to the inside of the life raft mechanism 1. The installation part 302 can be stably connected and installed. The inflation pump 305 is connected to the inflation tank 301 through the elbow pipe 307, so that the gas can be added to the inside of the inflation tank 301 quickly when the gas is insufficient. The inflation pump 305 is designed to be waterproof, which can ensure the use on the water. The control box 306 is connected with the sensing line 308 on the water level sensor 309, so that the data sensed by the water level sensor 309 can be transmitted to the control box 306, and the inflation pump 305 is controlled to work, realizing efficient inflation work, thereby ensuring that the life raft can be inflated quickly after being put into the water, improving the operation efficiency, and effectively protecting the safety of the person falling into the water. The raft head structure 101 is arranged at the head position and is connected to the inside through the arc grommet 102, which facilitates the wrapping of the head. The elastic band 103 is arranged on the arc grommet 102 and is connected with the sliding seat 104 and the sliding block 105, so as to facilitate the binding of the head. The elastic band 103 is a elastic band, which is convenient for use according to different head sizes. The handle 106 is symmetrically arranged on the top and side of the raft head structure 101, which facilitates the adjustment and use when the handle is sleeved on the head, improves the convenience of operation, and facilitates the transmission of the gas to the shoulder inflatable raft 108 and the second pad block 111 through the first one-way valve 107 after the raft head structure 101 is filled with gas, further improving the use effect. The first pad block 110 can cooperate with the second pad block 111 to improve the support stability of the head and the shoulder. The second one-way valve 109 is connected between the chest inflatable raft 112 and the shoulder inflatable raft 108, so as to facilitate the further transmission of the gas to the chest inflatable raft 112 during use, so as to support the chest inflatable raft 112. The chest inflatable raft 112 is arranged at the chest position, which provides the floating effect and the protection effect. The through slot 113 facilitates the hand support and improves the stability during use. The third one-way valve 114 is connected to the waist inflatable raft 115, so as to facilitate the provision of back support after sectional inflation, and the hook surface band 116 and the wool surface band 117 are arranged on the inside of the waist inflatable raft 115, which are used for binding at the abdominal position, facilitating further fixation, and improving the stability during use. The fourth one-way valve 118 is connected to the tail inflatable raft 119,Therefore, the leg and foot positions are wrapped by the tail inflatable raft 119, and are inflated in sections, which is beneficial to provide floating effect to the leg position, and the leg joint fixing structure 120 is wrapped at the leg joint position, which is further beneficial to improve the stability of use, and the communication pipeline 121 is communicated between the tail inflatable rafts 119, which is beneficial to improve the balance of gas conveying, and the fifth one-way valve 122 is communicated with the raft bottom inflatable pad 201, which is beneficial to provide further gas conveying effect to the position of the raft bottom inflatable pad 201, thereby realizing the function of sectional inflation, which is beneficial to facilitate the climbing of the person falling into water in an emergency, improves the convenience of operation, and further ensures the safety of use, and the raft bottom inflatable pad 201 is arranged at the bottom, which is beneficial to improve the stability of floating after complete inflation, thereby ensuring safety, and the wear-resistant pad layer 202 is symmetrically distributed at both ends of the bottom of the raft bottom inflatable pad 201, and wraps the end position, which is beneficial to provide protection effect when side scraping occurs, avoids the condition that the raft bottom inflatable pad 201 is easily scratched, thereby beneficial to prolong the service life and ensure the safety during use, and the connecting piece 203 is arranged at the bottom of the raft bottom inflatable pad 201, and the connecting belt 207 is connected through the binding belt 204, the adhesive member 208 is arranged at one end of the connecting belt 207, and when the rescue work is completed, the exhaust valve 210 is opened first, and the gas is sequentially exhausted according to the gas inlet direction by external pressing, and then the winding is performed, and the connecting belt 207 is wound around the frame outside the connecting piece 203, and the adhesive member 208 is adhered to the connecting piece 203, thereby realizing convenient storage work, and the cross reinforcing belt 205 is distributed between the binding belts 204, and the straight reinforcing belt 206 is distributed on the side surface of the binding belt 204, which is beneficial to improve the wear resistance and scratch resistance of the bottom, thereby ensuring stable use effect, and the cross connecting belt 209 can ensure the strength of the connecting belt 207, thereby improving the stability after binding.

[0043] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A segmented inflatable liferaft comprising a liferaft mechanism (1), characterized in that: The bottom of the life raft mechanism (1) is provided with a raft bottom mechanism (2), and the side of the life raft mechanism (1) is provided with an inflation mechanism (3). The life raft mechanism (1) comprises a raft head structure (101), and an arc-shaped gasket ring (102) is provided on the inner side of the raft head structure (101). A first one-way valve (107) is fixedly connected to one side of the raft head structure (101), and one end of the first one-way valve (107) is fixedly connected to a shoulder inflatable raft (108). One side of the shoulder inflatable raft (108) is fixedly connected to two second one-way valves (109). The output end of the second one-way valve (109) is fixedly connected to a chest inflatable raft (112), the bottom of the chest inflatable raft (112) is fixedly connected to two third one-way valves (114), the output end of the third one-way valve (114) is fixedly connected to a waist inflatable raft (115), one end of the waist inflatable raft (115) is fixedly connected to two fourth one-way valves (118), the output ends of the fourth one-way valves (118) are both fixedly connected to a tail inflatable raft (119), and one side of the tail inflatable raft (119) is fixedly connected to a fifth one-way valve (122); The inflation mechanism (3) comprises an inflation tank (301), one end of the inflation tank (301) is fixedly connected to an inflation hose (303), one end of the inflation hose (303) is fixedly connected to a double-ended inflation tube (304), both ends of the double-ended inflation tube (304) are fixedly connected to the bottom of the raft head structure (101), and a water level sensor (309) is provided at the bottom of the raft head structure (101); The raft bottom mechanism (2) comprises a raft bottom air cushion (201), the output ends of the fifth one-way valve (122) are fixedly connected to the raft bottom air cushion (201), and a wear-resistant cushion layer (202) is symmetrically provided on the bottom of the raft bottom air cushion (201); A sliding seat (104) is symmetrically fixedly installed on the arc-shaped gasket ring (102), a sliding block (105) is installed on the inner side of the sliding seat (104), and an elastic strap (103) is fixedly connected between the two sliding blocks (105). The top and side surfaces of the raft head structure (101) are symmetrically provided with handles (106), the inner side of the waist inflatable raft (115) is respectively provided with two hook straps (116) and a fleece strap (117), and the hook straps (116) and the fleece straps (117) are bonded to each other. A leg joint fixing structure (120) is provided on the inner side of the tail inflatable raft (119).

2. The segmented inflatable liferaft according to claim 1, characterized in that: A connecting piece (203) is symmetrically provided at one end of the bottom of the raft bottom inflatable cushion (201), one end of the connecting piece (203) is fixedly connected to a binding belt (204), the binding belts (204) are fixedly connected to the bottom of the raft bottom inflatable cushion (201), and one end of the binding belts (204) is fixedly connected to a connecting belt (207).

3. The segmented inflatable liferaft according to claim 2, characterized in that: A plurality of cross reinforcement belts (205) are evenly distributed between the two binding belts (204), a straight reinforcement belt (206) is evenly fixedly installed on one side of the binding belt (204), and one end of the straight reinforcement belt (206) is fixedly connected to the side of the wear-resistant pad layer (202).

4. The segmented inflatable liferaft according to claim 2, characterized in that: A plurality of cross-connecting belts (209) are evenly distributed in the middle of the connecting belt (207), an adhesive (208) is provided at one end of the connecting belt (207), and an exhaust valve (210) is provided at one end of the raft bottom inflatable cushion (201).

5. The segmented inflatable liferaft according to claim 1, characterized in that: The outer side of the inflation tank (301) is symmetrically and fixedly mounted with mounting members (302), and the mounting members (302) are all fixedly mounted on one side of the raft head structure (101).

6. The segmented inflatable liferaft according to claim 5, characterized in that: One end of the air tank (301) is fixedly connected to a connecting elbow (307), one end of the connecting elbow (307) is fixedly connected to an air pump (305), and a control box (306) is provided on the side of the air pump (305).

7. The segmented inflatable liferaft according to claim 6, characterized in that: A sensing line (308) is fixedly connected to the bottom of the control box (306), and one end of the sensing line (308) is fixedly connected to a water level sensor (309).

8. The segmented inflatable liferaft according to claim 1, characterized in that: The bottom of the raft head structure (101) is fixedly connected to a first cushioning block (110), the bottom of the shoulder inflatable raft (108) is provided with a second cushioning block (111), both ends of the chest inflatable raft (112) are provided with through slots (113), and a connecting pipe (121) is fixedly connected between the two tail inflatable rafts (119).

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