阅读说明：本技术 方便充气的多腔室非均匀内压柔性救生艇 (Convenient-to-inflate multi-cavity non-uniform internal pressure flexible lifeboat ) 是由 王晓强 万曲 翟红军 苏炳君 谷庆风 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种方便充气的多腔室非均匀内压柔性救生艇,艇体的上部分隔为若干相互独立的腔室、下部为下沉式的龙骨和甲板形成的V形结构,龙骨和甲板的设计内压高于各腔室的设计内压,龙骨、甲板和各腔室上均设有泄压阀和单向进气阀；充气装置包括高压气源、一级多通、二级高压多通、二级低压多通,高压气源的气量存在一定冗余,泄压阀的启闭压力根据所在空间设计内压确定,一级多通、二级高压多通和二级低压多通的出口孔径根据龙骨、甲板和各腔室的容积及设计内压确定。本发明对独立的多腔室和高压的龙骨和甲板采用二级分流、多节点控流、裕度设计、过压保护的方式实现非均匀充气并避免充气不足,充气操作简单。(The invention discloses a multi-cavity non-uniform internal pressure flexible lifeboat convenient for inflation, wherein the upper part of a lifeboat body is divided into a plurality of mutually independent cavities, the lower part of the lifeboat body is a V-shaped structure formed by a sunken keel and a deck, the designed internal pressure of the keel and the deck is higher than that of each cavity, and the keel, the deck and each cavity are provided with a pressure release valve and a one-way air inlet valve; the inflation device comprises a high-pressure air source, a first-stage multi-way valve, a second-stage high-pressure multi-way valve and a second-stage low-pressure multi-way valve, wherein the air quantity of the high-pressure air source has certain redundancy, the opening and closing pressure of the pressure release valve is determined according to the designed internal pressure of the space where the pressure release valve is located, and the outlet apertures of the first-stage multi-way valve, the second-stage high-pressure multi-way valve and the second-stage low-pressure multi-way valve are determined according to the volumes and the designed internal pressures of the keel, the deck and each cavity. The invention realizes non-uniform inflation and avoids insufficient inflation by adopting two-stage shunting, multi-node flow control, margin design and overvoltage protection modes for independent multi-cavity and high-pressure keels and decks, and the inflation operation is simple.)

1. The utility model provides a flexible lifeboat is pressed in convenient inflatable inhomogeneous of multicavity room which characterized in that: comprises an inflatable boat body and an inflating device; the upper part of the boat body is divided into a plurality of mutually independent chambers, the lower part of the boat body is a V-shaped structure formed by a sunken keel and a deck, the design internal pressure of the keel and the deck is higher than that of each chamber, and the keel, the deck and each chamber are provided with a pressure release valve and a one-way air inlet valve; the inflation device comprises a high-pressure gas source, a first-stage multi-way, a second-stage high-pressure multi-way and a second-stage low-pressure multi-way, wherein the inlet of the first-stage multi-way is connected with the high-pressure gas source through a gas pipe, the outlets of the first-stage multi-way are respectively connected with the inlets of the second-stage high-pressure multi-way and the second-stage low-pressure multi-way through gas pipes, the outlets of the second-stage high-pressure multi-way are respectively connected with the one-way gas inlet valves of the keel and the deck through gas pipes, and the outlets of the second-stage low-pressure multi-way are respectively connected with the one-way gas inlet valves of the chambers through gas pipes; the air quantity of a high-pressure air source has certain redundancy, the opening and closing pressure of the pressure release valve is determined according to the designed internal pressure of the space where the pressure release valve is located, and the outlet aperture of the first-stage multi-way, the second-stage high-pressure multi-way and the second-stage low-pressure multi-way is determined according to the volumes of the keel, the deck and each cavity and the designed internal pressure, so that each space can obtain the required air flow when the air inflation is carried out.

2. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the bilateral symmetry of hull upper portion respectively is equipped with two cavities, and the one-level leads to for the cross, and the second grade high pressure leads to for the tee bend, and the second grade low pressure leads to for the tee bend and adopts two, and two second grade low pressures lead to respectively to two cavity air guides of place side.

3. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the air quantity of the high-pressure air source is 20-30% more than that required by inflation.

4. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the designed internal pressure of each chamber is 14-20 kPa, the opening pressure of the pressure release valve is 19-20 kPa, and the closing pressure is 14 kPa.

5. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the design internal pressure of the keel and the deck is 74-79 kPa, the opening pressure of the pressure release valve is 78-79 kPa, and the closing pressure is 74 kPa.

6. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the high-pressure air source is arranged at the rear part of the boat body.

7. The conveniently inflatable multi-chambered non-uniform internal pressure flexible lifeboat of claim 1 wherein: the air pipe adopts a high-pressure hose.

Technical Field

The invention relates to a lifeboat, in particular to a multi-cavity non-uniform internal pressure flexible lifeboat convenient to inflate.

Background

Although flexible lifeboat is small, collapsible, the transportation is convenient, but flexible lifeboat generally adopts frivolous adhesive tape material, the problem of easily taking place the damage and appearing gas leakage inefficacy, for avoiding appearing the gas leakage inefficacy, except improving adhesive tape material strength, still can adopt to divide into a plurality of cavities with flexible lifeboat, single lobe became invalid and still can guarantee that lifeboat stably floats, but need aerify one by one to a plurality of cavities, efficiency is very low, and under emergency situation, especially the surface of water has the condition of stormy waves, require driver and passenger to have higher balancing capability and proficiency, the operation difficulty.

Disclosure of Invention

The invention aims to provide a multi-cavity non-uniform internal pressure flexible lifeboat convenient to inflate, which realizes non-uniform inflation and avoids insufficient inflation by adopting two-stage flow distribution, multi-node flow control, margin design and overvoltage protection modes for independent multi-cavity keel and high-pressure deck, and is simple in inflation operation.

The technical scheme adopted by the invention is as follows:

a multi-cavity non-uniform internal pressure flexible lifeboat convenient for inflation comprises an inflatable lifeboat body and an inflation device; the upper part of the boat body is divided into a plurality of mutually independent chambers, the lower part of the boat body is a V-shaped structure formed by a sunken keel and a deck, the design internal pressure of the keel and the deck is higher than that of each chamber, and the keel, the deck and each chamber are provided with a pressure release valve and a one-way air inlet valve; the inflation device comprises a high-pressure gas source, a first-stage multi-way, a second-stage high-pressure multi-way and a second-stage low-pressure multi-way, wherein the inlet of the first-stage multi-way is connected with the high-pressure gas source through a gas pipe, the outlets of the first-stage multi-way are respectively connected with the inlets of the second-stage high-pressure multi-way and the second-stage low-pressure multi-way through gas pipes, the outlets of the second-stage high-pressure multi-way are respectively connected with the one-way gas inlet valves of the keel and the deck through gas pipes, and the outlets of the second-stage low-pressure multi-way are respectively connected with the one-way gas inlet valves of the chambers through gas pipes; the air quantity of a high-pressure air source has certain redundancy, the opening and closing pressure of the pressure release valve is determined according to the designed internal pressure of the space where the pressure release valve is located, and the outlet aperture of the first-stage multi-way, the second-stage high-pressure multi-way and the second-stage low-pressure multi-way is determined according to the volumes of the keel, the deck and each cavity and the designed internal pressure, so that each space can obtain the required air flow when the air inflation is carried out.

Furthermore, the bilateral symmetry of hull upper portion respectively is equipped with two cavities, and the one-level is led to more for the cross, and the second grade high pressure is led to more for the tee bend, and the second grade low pressure is led to more for the tee bend and adopt two, and two second grade low pressures are led to more respectively to two cavity air guides of the place side.

Furthermore, the air quantity of the high-pressure air source is 20-30% more than the air quantity required by inflation.

Furthermore, the design internal pressure of each chamber is 14-20 kPa, the opening pressure of the pressure release valve is 19-20 kPa, and the closing pressure is 14 kPa.

Furthermore, the design internal pressure of the keel and the deck is 74-79 kPa, the opening pressure of a pressure release valve is 78-79 kPa, and the closing pressure is 74 kPa.

Further, a high-pressure air source is arranged at the rear part of the boat body.

Further, the air pipe adopts a high-pressure hose.

The invention has the beneficial effects that:

the inflation device adopts a two-stage shunting and multi-node flow control mode, the first-stage multi-way realizes primary shunting to obtain different flow rates and flows, namely high pressure and low pressure are obtained, the second-stage high-pressure multi-way and the second-stage low-pressure multi-way realize secondary shunting, the air flows with different proportions enter different spaces, and the required air flows are distributed to all the spaces during inflation, so that non-uniform inflation is realized; the air charging device adopts a mode of margin design and overvoltage protection, the air quantity of the high-pressure air source has certain redundancy, and the opening and closing pressure of the pressure release valve is determined according to the designed internal pressure of the space, so that each space can meet the required air pressure, and insufficient air charging is avoided; the upper part of the boat body adopts a mutually independent multi-chamber structure and is matched with a one-way air inlet valve, so that synchronous and rapid inflation of the multi-chambers and mutual isolation after inflation are ensured, the problem of integral inflation failure is avoided, and the safety is high; the lower part of the lifeboat body is a V-shaped structure formed by a sunken keel and a deck, so that the lifeboat has lower navigation resistance and higher navigation speed after being provided with an engine; the designed internal pressure of the keel and the deck is higher than that of each chamber, so that the keel and the deck are not easy to deform, have higher rigidity and are high in safety; when the invention is used for inflating, the operation is simple, the requirement on the proficiency of an operator is low, and the invention is easy to popularize.

Drawings

Fig. 1 is a top view of a multi-chamber non-uniform internal pressure flexible lifeboat that is conveniently inflated according to an embodiment of the present invention.

FIG. 2 is a schematic view of an inflator in accordance with an embodiment of the present invention.

FIG. 3 is a schematic diagram of a first-level manifold in an embodiment of the invention.

FIG. 4 is a schematic diagram of a two-stage high-pressure manifold (two-stage low-pressure manifold) in an embodiment of the invention.

In the figure: 1-keel; 2-deck; 3-a chamber; 4-one-way intake valve; 5-high pressure gas source; 6-first-level multi-pass; 7-two-stage high-pressure multi-pass; 8-two-stage low-pressure multi-way; 9-trachea.

Detailed Description

The invention is further described below with reference to the figures and examples.

As shown in fig. 1 and 2, a multi-chamber non-uniform internal pressure flexible lifeboat convenient for inflation comprises an inflatable boat body and an inflation device; the upper part of the boat body is divided into a plurality of mutually independent chambers 3, the lower part of the boat body is a V-shaped structure formed by a sunken keel 1 and a sunken deck 2, the design internal pressure of the keel 1 and the deck 2 is higher than that of each chamber 3, and a pressure release valve (not shown in the figure) and a one-way air inlet valve 4 are arranged on each keel 1, each deck 2 and each chamber 3; the inflation device comprises a high-pressure gas source 5, a first-stage multi-way 6, a second-stage high-pressure multi-way 7 and a second-stage low-pressure multi-way 8, wherein an inlet of the first-stage multi-way 6 is connected with the high-pressure gas source 5 through a gas pipe 9, outlets of the first-stage multi-way 6 are respectively connected with inlets of the second-stage high-pressure multi-way 7 and the second-stage low-pressure multi-way 8 through gas pipes 9, outlets of the second-stage high-pressure multi-way 7 are respectively connected with the keel 1 and the one-way air inlet valve 4 of the deck 2 through gas pipes 9, and outlets of the second-stage low-pressure multi-way 8 are respectively connected with the one-way air inlet valve 4 of each cavity 3 through gas pipes 9; the air volume of the high-pressure air source 5 has certain redundancy, the opening and closing pressure of the pressure relief valve is determined according to the designed internal pressure of the space, as shown in fig. 3 and 4, the outlet apertures of the first-stage multi-way valve 6, the second-stage high-pressure multi-way valve 7 and the second-stage low-pressure multi-way valve 8 are determined according to the volumes of the keel 1, the deck 2 and each chamber 3 and the designed internal pressure, and the required air flow of each space is ensured during inflation.

The number and the distribution condition of hull upper portion cavity 3 design as required, in this embodiment, as shown in fig. 1 and fig. 2, hull upper portion bilateral symmetry respectively is equipped with two cavities 3, and the one-level is led to 6 and is the cross-joint more, and the second grade high pressure is led to 7 more and is the tee bend, and the second grade low pressure is led to 8 more and is the tee bend and adopt two, and two second grade low pressures are led to 8 more and are led to two cavities 3 air guides of side respectively to the place.

The redundancy of the high-pressure air source 5 is designed and selected according to different use environments, and in the embodiment, the air quantity of the high-pressure air source 5 is 20-30% more than the air quantity required by inflation.

In this embodiment, the designed internal pressure of each chamber 3 is 14 to 20kPa, the opening pressure of the relief valve is 19 to 20kPa, and the closing pressure is 14 kPa.

In the embodiment, the designed internal pressure of the keel 1 and the deck 2 is 74-79 kPa, the opening pressure of the pressure release valve is 78-79 kPa, and the closing pressure is 74 kPa.

As shown in fig. 1, in the present embodiment, a high-pressure air source 5 is installed at the rear of the hull.

In this embodiment, the air tube 9 is a high-pressure hose, the diameter of the high-pressure hose is consistent with the size of the interface, and the length is determined according to the structural size design.

The inflation device adopts a two-stage shunting and multi-node flow control mode, the first-stage multi-way 6 realizes primary shunting to obtain different flow rates and flows, namely high pressure and low pressure are obtained, the second-stage high-pressure multi-way 7 and the second-stage low-pressure multi-way 8 realize secondary shunting, the air flows with different proportions enter different spaces, and the required air flows are distributed to all the spaces during inflation, so that non-uniform inflation is realized; the air charging device adopts a mode of margin design and overvoltage protection, the air quantity of the high-pressure air source 5 has certain redundancy, and the opening and closing pressure of the pressure release valve is determined according to the designed internal pressure of the space, so that each space can meet the required air pressure, and insufficient air charging is avoided; the upper part of the boat body adopts a mutually independent multi-cavity 3 structure and is matched with the one-way air inlet valve 4, so that the multi-cavity 3 is ensured to be synchronously and rapidly inflated and mutually isolated after being inflated, the problem of integral inflation failure is avoided, and the safety is high; the lower part of the lifeboat body is a V-shaped structure formed by a sunken keel 1 and a deck 2, so that the lifeboat has lower navigation resistance and higher navigation speed after being provided with an engine; the designed internal pressure of the keel 1 and the deck 2 is higher than that of each chamber 3, so that the keel and the deck are not easy to deform, have higher rigidity and are high in safety; when the invention is used for inflating, the operation is simple, the requirement on the proficiency of an operator is low, and the invention is easy to popularize.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.