CN217477529U - Covering or awning on a car, boat, etc. post foot of life raft - Google Patents

Abstract

The application discloses tent column foot of life raft, including column portion, the tent column is suitable for the cover to establish to column portion on, the spread groove has been seted up to the bottom of column portion, the upward floating child is suitable for the gomphosis to install to the spread groove in, the outside extension forms the tray portion all around of spread groove, the tray portion is suitable for the surface of laminating supreme floating child, this tent column foot can reduce the installation degree of difficulty between floating child and the tent column, convenient location can also promote joint strength and connection leakproofness between floating child and the tent column.

Description

Covering or awning on a car, boat, etc. post foot of life raft

Technical Field

The application relates to the technical field of life-saving equipment, in particular to a tent column foot of a life raft.

Background

The life raft is a boat for life saving without self-navigation capability. The life raft is provided with a certain amount of food and fresh water for passengers to drift on the sea for standby, and can be divided into a rigid life raft and an inflatable life raft according to the structural form of the life raft. An inflatable life raft generally uses upper and lower floating tires made of rubber materials to provide buoyancy, uses double-layer waterproof nylon cloth to make a tent, and is a small raft which is inflated by gas into a round shape, an oval shape or a polygonal shape and is provided with the tent.

At present, in domestic and international life raft markets, the inflatable life raft is mainly manufactured by taking rubber cloth as a main material and bonding the rubber cloth with glue. The method is characterized in that the investment of equipment is less, and workers can produce the product through simple training.

However, the existing liferafts have the following disadvantages: traditional rubber raft floats child and fluffy post and all is the rubber material, can bond through glue, and it is cylindrical to become after the shaping is inflated to float child and fluffy post, and the life raft of rubber material still accessible lofting realizes matcing, and glue also bonds comparatively easily, but the new TPU material realizes the welded through the special mould of customization, accomplishes accurate location to this kind of crossing hot assembly process of cylinder hardly.

Disclosure of Invention

It is an object of the present application to provide a liferaft and a thermal assembly process thereof, which is more stable in quality and appearance, and which is environmentally friendly and pollution free during the production process.

Another object of the present application is to provide a raft platform that is not inflatable, and has high structural strength, and does not need to be inflated, and does not lose the raft boarding function after being damaged.

It is a further object of the present application to provide a rapid connection of a canopy column of a liferaft that enables a quick-release connection between a float and the canopy column.

It is a further object of the present application to provide a valve arrangement for a liferaft that is structurally stable and strong and is not prone to air leakage.

It is a further object of the present application to provide a canopy leg of a liferaft that is easy to install and that can improve the connection strength and connection sealing between the float tire and the canopy leg.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a covering or awning on a car, boat, etc. post foot of life raft, includes column portion, and covering or awning on a car, boat, etc. post is suitable for the cover to establish extremely in the column portion, the spread groove has been seted up to the bottom of column portion, and the upward floating child is suitable for the gomphosis to install extremely in the spread groove, the outside extension forms the foot dish portion all around of spread groove, the foot dish portion be suitable for the laminating extremely go up the surface of floating child.

As an improvement, a guide inclined plane is arranged on the outer side surface of the top of the columnar part along the circumferential direction, an included angle between the guide inclined plane and the columnar part is alpha, and the alpha is more than or equal to 0.5 degrees and less than or equal to 1.5 degrees.

As a refinement, the widths of the projections of the foot disc parts on the plane perpendicular to the columnar part are the same.

As an improvement, the columnar part is connected with the awning column in a heat sealing mode, and the foot tray part is connected with the upper floating tire in a heat sealing mode.

Compared with the prior art, the beneficial effect of this application lies in: this life raft's covering or awning on a car, boat, etc. post and raft body accessible covering or awning on a car, boat, etc. column foot cooperate and connect, it is more convenient to install, make joint strength and connection leakproofness between the covering or awning on a car, boat, etc. body after the equipment can obtain great promotion, realize accurate location and high strength are sealed, can also reduce the equipment degree of difficulty, promote the packaging efficiency, covering or awning on a car, boat, etc. column foot is applied to in the hot equipment technology, can realize the hot equipment when cylinder and cylinder are crossing, guarantee sealed and joint strength, need not to use extra instrument or equipment to assemble.

Drawings

FIG. 1 is an overall structural view of a preferred embodiment according to the present application;

FIG. 2 is a partial structural section view of the right side according to a preferred embodiment of the present application;

FIG. 3 is a partial cross-sectional structural view of the front side according to a preferred embodiment of the present application;

FIG. 4 is a top plan view of a tent pole foot mounting structure according to a preferred embodiment of the present application;

FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 4 in accordance with a preferred embodiment of the present application;

FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 4 in accordance with a preferred embodiment of the present application;

FIG. 7 is an internal structural view of a tent pole quick connect according to a preferred embodiment of the present application;

FIG. 8 is an internal structural view of a tent pole quick connect with a one-way seal according to another preferred embodiment of the present application;

fig. 9 is a connection structure view of the non-inflatable raft platform according to a preferred embodiment of the present application;

fig. 10 is a top view of a non-inflatable raft platform according to a preferred embodiment of the present application;

fig. 11 is a view of a connection structure of a safety valve according to a preferred embodiment of the present application;

FIG. 12 is a view of the attachment structure of a one-way intake valve according to a preferred embodiment of the present application;

FIG. 13 is a view of a connection structure of a tent pole check valve in accordance with a preferred embodiment of the present application;

FIG. 14 is a view of the connection structure of the exhaust check valve according to a preferred embodiment of the present application;

fig. 15 is a view of a coupling structure of a make-and-exhaust valve according to a preferred embodiment of the present application.

In the figure: 1. a raft body; 11. raft bottom; 111. a water accumulation ditch; 12. a tent pole; 13. tent; 131. a lookout window; 132. a reflective band; 133. an illumination position indicating lamp; 14. a balance water bag; 15. a first cable; 16. a sea anchor; 17. climbing a raft and pulling a ladder; 2. floating the tire; 3. Floating the tire; 4. a canopy column foot; 41. a columnar portion; 411. connecting grooves; 42. a pedicel portion; 5. a tent pole quick connector; 51. a linker; 511. a gas channel; 512. a clamping groove; 513. a guide chute; 514. a partition plate; 515. a sealing groove; 52. a plug-in body; 521. a clamping part; 522. a plug-in skeleton; 5221. a connecting ring; 523. an insert coating layer; 53. a seal ring; 54. a one-way seal; 541. a valve core; 542. a sealing head; 6. a non-inflatable raft landing platform; 61. a platform body; 611. a cavity; 6111. A connector; 612. a trench; 62. connecting a base; 621. a first fixed end; 6211. an arc-shaped slot; 622. a second fixed end; 6221. a clamping groove; 63. a platform harness; 7. connecting the valve seat; 71. a valve seat coating layer; 72. a valve ring; 721. a reinforcement hole; 722. and (4) coating the groove.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 15, a preferred embodiment of the present application includes a raft base 11, an upper float tire 2 and a lower float tire 3, the upper float tire 2 and the lower float tire 3 are connected to form a raft body 1 by cooperating with each other around the raft base 11, a tent pole 12 for supporting a tent 13 is provided on the raft body 1, a gutter 111 is provided at the peripheral edge of the raft base 11 and at the connection of the lower float tire 3, so as to contain a certain amount of accumulated water, thereby preventing a small amount of water from splashing into the life raft and causing slippage, the raft body 1 preferably uses an octagonal structure, a balance is obtained between the structural stability and the difficulty of production and assembly, at least one balance water bag 14 is provided at the bottom of the raft body 1, a head cable 15 is provided between the non-inflatable raft platform 6 and the raft body 1, a safety knife, a spare bag, a radar transponder and an inflation bottle are provided on the raft body 1, an outer hand strap is provided outside the raft body 1, a sea anchor 16 is connected to the outside of the raft body 1, the inboard handrail rope in being provided with of raft body 1, non-inflatable climb and be provided with on the raft body 1 of raft platform 6 one side and climb raft ladder 17, be provided with on the tent 13 and watch out telescope 131 and reflection of light area 132, the top of tent 13 is provided with illumination marker lamp 133, and this life raft accessory is complete, can adapt to various lifesaving situations.

The tip of covering or awning on a car, boat, etc. post 12 sets up covering or awning on a car, boat, etc. post foot 4 or set up covering or awning on a car, boat, etc. post 12 is suitable for through covering or awning on a car, boat, etc. post foot 4 or set up covering or awning on a car, boat, etc. post 5 or setting up covering or awning on a car, boat, etc. post 12 or setting up covering or awning on a car, boat, etc. post 5 and awning on a car, boat, etc. post 12's tip sets up covering or awning on a car, boat, etc. post foot 4 or setting up covering or awning on a car, boat, etc. post 5 and raft 1 quick assembly and disassembly and connection through covering or awning on a car, etc. post 12 is suitable for use through covering or awning on a car, boat, etc. post 12 and connection between the raft 1, it assembles to reduce the equipment degree of difficulty to assemble to need not to use extra instrument or equipment, increase flexibility and convenience of production.

When making large-scale tent pole 12 of planer-type, because tent pole 12 is great and constitute by double-column and intermediate junction post, make into a whole too bulky, in order to reduce the equipment degree of difficulty of raft body 1, can consider to make into the component part with raft body 1 and assemble, and each part of assembling for example double-column or intermediate junction post can be connected through tent pole quick connect spare 5.

As shown in fig. 4 to 6, the tent pole leg 4 includes a column portion 41, the tent pole 12 is suitable for being sleeved on the column portion 41, the bottom of the column portion 41 is provided with a connecting groove 411, the floating tire 2 is suitable for being embedded and installed in the connecting groove 411, the periphery of the connecting groove 411 extends outwards to form a tray portion 42, the tray portion 42 is suitable for being attached to the outer surface of the upper floating tire 2, the floating tire and the tent pole 12 of the traditional rubber raft are made of rubber materials and can be bonded through glue, when the floating tire and the tent pole 12 are formed into a cylinder after being inflated and formed, the rubber raft can be matched through lofting, the glue is easy to bond, but the new TPU material is welded through a customized special mold, precise positioning is difficult to achieve for the thermal assembly process of the intersection of the cylinders, the tent pole leg 4 can simply and quickly position and connect and combine the tent pole 12 and the upper floating tire 2 through the column portion 41 and the connecting groove 411, the hot-assembling process is suitable for a hot-assembling process, the assembling difficulty is reduced, and meanwhile, the sealing strength and the connecting strength can be improved.

The top lateral surface of column portion 41 is provided with the guide inclined plane along circumference, the contained angle between guide inclined plane and the column portion 41 is alpha, 0.5 is ≤ alpha and is ≤ 1.5, alpha is preferred 1, on the tent post 12 can be established to column portion 41 along the light cover of guide inclined plane, it is more convenient also to make the connection between tent post 12 and the column portion 41 during the heat seal connection, can laminate column portion 41 after the tent post 12 bottom pressfitting is gone up to the guide inclined plane completely, be difficult to by the peeling off.

The projected widths of the foot plate parts 42 on the plane vertical to the columnar part 41 are the same, so that the widths of the foot plate parts 42 on both sides of the connecting groove 411 are larger, the area when the foot plate parts are connected with the upper floating tire 2 is larger, and the connecting stability is improved.

As shown in fig. 7, the tent pole quick connector 5 includes a connector 51 and an insert body 52, a gas channel 511 is formed in the connector 51, the insert body 52 contracts inwards to form a clamping portion 521, clamping grooves 512 matched with the clamping portion 521 are formed in the two ends of the connector 51 along the circumferential direction, the insert body 52 is suitable for being clamped and sleeved to the two ends of the connector 51, the insert body 52 is suitable for being connected with the surface of the raft body 1 or the tent pole 12, the tent pole quick connector 5 can be used as a plug-in component for quickly connecting the tent pole 12 and the floating tyre, so that the gas seal between the floating tyre and the tent pole 12 is ensured, and the installation and the disassembly can be performed quickly.

The plug-in unit 52 comprises a plug-in unit framework 522 and a plug-in unit coating layer 523, the plug-in unit coating layer 523 covers the plug-in unit framework 522, a TPU material is preferably used, the plug-in unit coating layer 523 is suitable for being in heat sealing connection with the surface of the raft body 1 or the tent column 12, the structure enables the plug-in unit 52 to be not required to be adhered to the raft body 1 or the tent column 12 through glue, and the requirement of a heat assembly process is met.

The outer side of the plug-in framework 522 is provided with a connecting ring 5221, the plug-in cladding 523 is suitable for being clad on the connecting ring 5221 and is in heat seal connection with the surface of the raft body 1 or the tent column 12, and the connecting ring 5221 can increase the stability and structural strength of the connection between the plug-in cladding 523 and the raft body 1 or the tent column 12, and is not easy to break away.

The guide chutes 513 are formed in the outer sides of the two end portions of the connecting body 51, and the clamping portion 521 of the plug-in unit 52 can enter the clamping groove 512 through the guide chutes 513, so that the installation and connection between the connecting body 51 and the plug-in unit 52 are easier.

The centre of connector 51 is provided with baffle 514, and the baffle 514 is suitable for the plug-in components body 52 that the separation connector 51 both ends are connected, can play limiting displacement, prevents the plug-in components body 52 mutual contact collision at both ends, increases the stability of covering or awning on a car, boat, etc. post quick connect element 5, and baffle 514 can also be used for erection joint one-way sealing member 54, conveniently carries out airflow channel's one-way circulation control.

Joint portion 521 is preferred to be located the outer end of plug-in components body 52, plug-in components coating 523 is from the outer end cladding of plug-in components body 52 to joint portion 521, because plug-in components coating 523 is flexible material, plug-in components coating 523 can play the guide effect to a certain extent, the joint portion 521 of the help plug-in components body 52 outer end breaks away from joint groove 512, be convenient for the quick assembly disassembly of plug-in components body 52 and connector 51, still accessible change plug-in components coating 523 in the thickness of plug-in components body 52 outer end, adjust the joint dynamics between joint portion 521 and the joint groove 512, thereby change the joint strength of plug-in components body 52 and connector 51.

The connector 51 has been seted up at least one seal groove 515 along circumference respectively at both ends, and the embedded sealing ring 53 that is equipped with of seal groove 515, sealing ring 53 are suitable for the clearance between sealed connector 51 and the plug-in components body 52, and the seal groove 515 preferably uses two, can obtain better sealed effect, reduces and takes place to wear out because of the activity and lead to the probability of revealing between connector 51 and the plug-in components body 52.

As shown in fig. 8, a one-way sealing member 54 may be optionally disposed in the gas passage 511 of another preferred embodiment of the present invention, the one-way sealing member 54 is adapted to enable the gas in the gas passage 511 to flow in one direction, the one-way sealing member 54 includes a valve core 541 and a sealing head 542, the sealing head 542 is made of rubber, the valve core 541 is slidably disposed in the gas passage 511 along the direction of the gas passage 511, and is preferably mounted on the partition plate 514, the sealing head 542 is connected to the valve core 541, the sealing head 542 is adapted to slide along the valve core 541 and seal one end of the gas passage 511, and the connecting body 51 with the one-way sealing member 54 is provided with a directional characteristic when being connected to the plug body 52, so as to ensure that the gas in the float tire or tent column 12 with prior gas smoothly enters the gas-free float tire or tent column 12 along the one-way valve formed by the one-way sealing member 54 and the connecting body 51, but not be prevented.

When the life raft is inflated, the inflated float tyre or canopy column 12 enters the float tyre or canopy column 12 connected thereto under the action of the air pressure, and the sealing ring 53 between the connecting body 51 and the insert body 52 ensures that the air in the canopy column 12 does not leak out through the gap between the connecting body 51 and the insert body 52.

As shown in fig. 9 to 10, a non-inflatable raft climbing platform 6 is disposed on one side of the raft body 1, the non-inflatable raft climbing platform 6 is suitable for helping a person enter the raft body 1, the non-inflatable raft climbing platform 6 includes a platform main body 61, a connection base 62 and a platform sling 63, the connection base 62 connects the lower float tyre 3 and the platform main body 61, the platform sling 63 connects the upper float tyre 2 and the platform main body 61, and the connection base 62 and the platform sling 63 are suitable for enabling the platform main body 61 to be parallel to the raft body 1.

The connecting base 62 comprises a first fixing end 621 and a second fixing end 622, the first fixing end 621 is provided with an arc-shaped groove 6211, the arc-shaped groove 6211 is suitable for being attached and fixed to the outer surface of the lower floating tire 3, the second fixing end 622 is provided with a clamping groove 6221, and one side of the platform main body 61 is installed and fixed in the clamping groove 6221; the upper surface of the platform main body 61 on one side far away from the raft body 1 is provided with a containing cavity 611, a connector 6111 is arranged in the containing cavity 611, the connector 6111 is hidden in the containing cavity 611, so that the injury caused by collision when the raft is climbed is avoided, and the platform sling 63 is connected with the connector 6111; at least one groove 612 is transversely formed in the upper surface of the platform main body 61, the groove 612 can increase the structural strength of the platform main body 61, weight is reduced, the groove can also serve as a grabbing point during raft climbing, and raft climbing difficulty is reduced.

When the life raft is inflated, the upper floating tire 2 and the lower floating tire 3 are inflated to bring the connecting base 62 on the lower floating tire 3 below the platform as a fulcrum, under the action of gravity, the sling is pulled to keep balance, the non-inflatable climbing raft platform 6 is formed by adopting a mould through hot molding, the production efficiency is high, the non-inflatable climbing raft platform and a main air chamber in the raft body 1 are independently opened, inflation is not needed, an air inlet check valve and an exhaust valve are omitted, the connection is convenient and fast, the climbing raft platform is a rigid plastic body, the risk of losing the function of the climbing raft platform after damage is avoided, one drop of glue is not needed in the whole product and the assembly process, and degradable plastics are used, so that the life raft is more environment-friendly.

As shown in fig. 11 to 15, a connection valve seat 7 is provided on the raft body 1, a valve seat coating layer 71 covers the outer side of the connection valve seat 7, a connection air valve is suitable for being installed on the connection valve seat 7, and the valve seat coating layer 71 is suitable for being thermally connected with the surface of the raft body 1 or the tent pole 12.

On the life raft made of rubber material as main body cloth, the air valves of safety valve, air-compensating valve, exhaust valve, etc. used by the inflation system can be directly installed on the floating tyre in a threaded connection mode, and air tightness can be ensured by arranging a sealing ring, but because TPU has no rubber characteristic, the sealing of the air valves of safety valve, air-compensating valve, etc. must be realized by other methods, the common method is to directly weld the valve seat of the safety valve on the floating tyre of the life raft, if the seat of the safety valve, etc. is directly made of TPU material, the seat is directly thermally sealed with the floating tyre, etc., but because the rigidity of the TPU material is not enough, and the seat is directly made of TPU material, and can not be screwed tightly, and the situation of loosening is possible to occur, in order to solve the problem, the valve seat is designed into a structure of wrapping a layer of TPU by a plastic skeleton, the structure not only solves the welding problem with the floating tyre, the problem of insufficient rigidity of the TPU is solved.

Connect disk seat 7 and be provided with valve ring 72 all around, a plurality of enhancement holes 721 have been seted up along circumference to valve ring 72, disk seat coating 71 is suitable for passing through and connecting cladding disk seat 72 both sides in valve ring 72 outer end and the enhancement hole 721, when the pneumatic valve was installed to connecting disk seat 7, the pneumatic valve is suitable for and presss from both sides tight disk seat coating 71 with valve ring 72, the design of enhancement hole 721 and pneumatic valve and the cooperation of disk seat coating 71 carry out the centre gripping fixed, can increase disk seat coating 71's peel strength, make it be difficult for taking place to break away from with the valve body because of the atress is dragged.

At least one coating groove 722 is formed in the outer side surface of the connecting valve seat 7 and the plug-in unit 52 along the circumferential direction, the valve seat coating layer 71 and the plug-in unit coating layer 523 are suitable for being filled into the coating groove 722, the cross section of the coating groove 722 is preferably rectangular, the coating area of the valve seat coating layer 71 and the plug-in unit coating layer 523 can be increased through the coating groove 722, so that the stress area is increased, the more the number of the coating grooves 722 is, the larger the stress area is, the coating groove 722 can also change the stress directions of the valve seat coating layer 71 and the plug-in unit coating layer 523, the valve seat coating layer 71 and the plug-in unit coating layer 523 can have better coating connection stability in the radial direction and the axial direction of the connecting body 51, and the probability that the plug-in unit coating layer 523 is separated from the plug-in unit 52 under the influence of an external force is reduced.

The air valve comprises a safety valve, an air inlet one-way valve, a tent one-way valve, an exhaust one-way valve, an air supplement and exhaust valve, a safety valve and other accessories.

The safety valve is used for ensuring that the air pressure in the floating tire cannot be over-pressurized, the safety valve can be automatically opened to release pressure during over-pressurization, and the safety valve can be automatically closed after the set pressure is reached, so that the air pressure in the floating tire is ensured, and the over-pressurization is prevented.

The air inlet one-way valve is used for connecting the one-way channel valve of the inflation bottle and the floating tyre, only allows air to be inflated into the floating tyre, is in a sealing state in the reverse direction, and can bear the high-pressure inflation state in the steel cylinder.

The tent column one-way valve is used for forming an independent air chamber after the tent columns 12 of the life raft are formed, and air can only enter the tent columns 12 from the floating tires and is sealed reversely.

The exhaust check valve is used for exhausting the air chamber, and when the air chamber is in a state that air can not enter only after the tent column check valve is installed on the air chamber, the exhaust check valve can exhaust the air chamber.

The air replenishing and exhausting valve has the functions of a tent column one-way valve and an air exhausting one-way valve, can replenish air and exhaust air for the floating tire, can replenish air into the floating tire through the valve when insufficient air exists in the floating tire, and can exhaust air through the valve interface when the floating tire needs to be exhausted.

Compared with rubber materials, the TPU composite material has the advantages of incomparable property, and mainly shows the following aspects: 1. due to the hot melting of the TPU composite material, the life raft can be manufactured by a machine, so that the production intensity of workers is reduced, and the production efficiency is increased; 2. the TPU composite material does not have pungent smell of rubber and glue, so that the life raft does not affect the health of workers in the production process; 3. because the TPU composite material can be degraded, and the rubber material does not have the function, the TPU material is a safe and environment-friendly material which is recommended to be used at present.

This life raft uses the preparation of TPU combined material to form, and the material is degradable, and is safe environmental protection more, has abandoned the manual glue preparation mode of traditional rubber, and the production process is also environmental protection more, is difficult for producing the pollution, uses hot assembly process, and difficult emergence is revealed, and the production and processing process is accomplished by the machine, and production efficiency is higher, and quality and outward appearance are unified more stably.

A heat assembly process for a liferaft comprising the steps of:

s100, blanking, taking the nylon cloth composite TPU material, marking and cutting the nylon cloth composite TPU material on a blanking machine to form a material sheet, and then finishing and storing the material sheet;

s200, mounting accessories, fixing the accessories and the material sheets in a welding die, starting a 7.5KW high-frequency heat sealing machine, adjusting the current of the heat sealing machine to 0.25-0.5A, keeping for 4-6S, and performing heat sealing and welding on the accessories and the material sheets firmly;

s300, splicing sheets, namely sequentially performing edge heat sealing splicing on the sheets by using a hot air heat sealing machine to form an upper floating tire 2, a lower floating tire 3, a raft bottom 11 and a tent column 12;

s400, assembling a raft body 1, namely moving an upper floating tire 2, a lower floating tire 3 and a raft bottom 11 to a rotary workbench surface for alignment and fixation, sequentially moving aligned corners to a 7.5KW high-frequency heat sealing machine for heat sealing and firm, sequentially moving heat sealing edges among the upper floating tire 2, the lower floating tire 3 and the raft bottom 11 to a 35KW high-frequency heat sealing machine for heat sealing and connection, sleeving a tent column 12 on a knife edge mold, starting the heat sealing machine after alignment to heat seal the foot opening of the tent column 12 to a tent column foot 4 or a tent column quick connecting piece 5, then rotating the knife edge mold for 180 degrees for heat sealing again, then using the same method for heat sealing the foot opening of the other tent column 12, assembling the tent column foot 4 or the tent column quick connecting piece 5 on the upper floating tire 2 in a heat sealing manner, and finally installing accessories to finish the assembly of the life raft;

s500, storing, namely exhausting gas in the assembled life raft by using an exhaust fan, stacking the life raft in an inflatable unfolding mode, binding the life raft by using a string, adding an anti-scratch material into the raft shell, loading the bound life raft into the raft shell, and loading a sealing rubber strip at the joint of the raft shell.

According to an embodiment of the present invention, step S400 includes the steps of:

s410, heat insulation protection, wherein before the tent columns 12 are thermally sealed, heat insulation paper is arranged between the upper floating tires 2 and the lower floating tires 3 and between the lower floating tires 3 and the raft bottom 11;

s420, detecting air tightness, wherein the upper floating tire 2 and the lower floating tire 3 need to be inflated and detected before the raft body 1 is connected, the whole raft body 1 needs to be inflated and detected after the raft body 1 is connected, the pressure gauge is connected to an air supply and exhaust valve after inflation to detect the air pressure in the upper floating tire 2 and the lower floating tire 3, the air inflation bottle supplies air to the pressure gauge through the air inlet one-way valve until the pressure column of the pressure gauge is 100mmHg high, the pressure is kept not to exceed 5% after the air pressure is kept for 30min, and if the pressure exceeds 5%, the leakage position needs to be checked and remedied.

Before the production process of the life raft, quality test experiments such as a tensile strength experiment, a tearing strength experiment, a heat seal strength experiment, an air valve fixing strength experiment and the like of the TPU composite material are also required, so that the performance of the assembled life raft according to the working procedures can meet the use requirements.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (4)

1. A covering column foot of a life raft, which is characterized in that: including the column portion, the covering or awning on a car, boat, etc. post is suitable for the cover to establish on the column portion, the spread groove has been seted up to the bottom of column portion, and upward float child is suitable for the gomphosis to install to in the spread groove, outwards extend all around of spread groove and form the foot dish portion, the foot dish portion is suitable for laminating to upward float child's surface.

2. A liferaft leg as defined in claim 1, wherein: the outer side surface of the top of the columnar part is circumferentially provided with a guide inclined plane, the included angle between the guide inclined plane and the columnar part is alpha, and the alpha is more than or equal to 0.5 degrees and less than or equal to 1.5 degrees.

3. A liferaft leg as defined in claim 1, wherein: the widths of the projection of the foot disc parts on the plane vertical to the columnar part are the same.

4. A liferaft leg as defined in claim 1, wherein: the column part is connected with the awning column in a heat sealing mode, and the foot disc part is connected with the upper floating tire in a heat sealing mode.

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