CN110101237B

CN110101237B - Self-charging foam discharging cavity supporting framework

Info

Publication number: CN110101237B
Application number: CN201910473454.3A
Authority: CN
Inventors: 陈卫新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2024-02-20
Anticipated expiration: 2039-05-31
Also published as: CN110101237A

Abstract

The invention belongs to the technical field of inflatable products, and discloses a self-inflating and self-discharging foam cavity supporting framework which comprises a foam support framework, a first inflating and discharging mechanism, an inflating cavity and a second inflating and discharging mechanism; the foam support framework is formed by connecting a plurality of inflation pipes, the inflation pipes are communicated with each other, the first inflation and exhaust mechanism is in sealing connection with a first inflation port of the foam support framework, and the foam support framework can be inflated and exhausted through the first inflation and exhaust mechanism; the second charging and discharging mechanism is connected with a second charging port of the charging cavity in a sealing way, and can charge and discharge air in the charging cavity through the second charging and discharging mechanism; the bubble support framework is connected with the inflation cavity in an abutting mode. The self-inflating and self-discharging foam cavity supporting framework can realize quick inflation and exhaust without other inflation equipment, can realize self-sealing of an inflation inlet, is simple to store, supports self-geometric structure by the self framework, and keeps stable physical appearance.

Description

Self-charging foam discharging cavity supporting framework

Technical Field

The invention relates to the technical field of inflatable products, in particular to a self-inflating and foam-discharging cavity supporting framework.

Background

The inflatable frameworks in the existing inflatable products are mainly inflated by an inflator, a pedal air pump and an electric air pump, most inflatable frameworks are mainly annular lacing wires and straight partition lacing wires, and an inflatable connector is mainly provided with an inflatable port fitting by taking an inflator or an air outlet of the electric air pump as a standard, so that the inflatable efficiency is improved, the portability of the inflatable products such as the inflatable frameworks is reduced to a certain extent, and the use experience is influenced; although the inflatable skeleton can be inflated manually, because the volume of the inflatable skeleton is large, the air is blown by the mouth only, and the problems are that the inflation speed is low due to unreasonable structural design of the inflation inlet, the inflatable skeleton has simple structure, weak overall strength and poor supporting effect.

Accordingly, there is a need in the art for a self-inflating and de-bubbling chamber support frame that addresses the above-described issues.

Disclosure of Invention

In order to solve the problems of low air charging and discharging speed, simple air charging framework structure, weak overall strength and poor supporting effect caused by unreasonable air charging port structural design of an air charging framework in the prior art, the invention provides a self-charging and discharging foam cavity supporting framework which comprises a foam supporting framework, a first air charging and discharging mechanism, an air charging cavity and a second air charging and discharging mechanism; the foam support framework is formed by connecting a plurality of inflation pipes, the inflation pipes are communicated with each other, the first inflation and exhaust mechanism is in sealing connection with a first inflation port of the foam support framework, and the foam support framework can be inflated and exhausted through the first inflation and exhaust mechanism; the second charging and discharging mechanism is connected with a second charging port of the charging cavity in a sealing way, and can charge and discharge air in the charging cavity through the second charging and discharging mechanism; the bubble support framework is connected with the inflation cavity in an abutting mode.

In the preferred technical scheme of the self-inflating and self-discharging foam cavity supporting foam support framework, the foam support framework is an inner foam support framework, the inner foam support framework is arranged in the inflation cavity, and the first inflation port of the inner foam support framework is arranged at the joint of the inner foam support framework and the inflation cavity in a sealing mode, so that the first inflation and discharge mechanism can only inflate and discharge air to the inner foam support framework, the air pressure in the inflation cavity is not influenced, and the first inflation port and the second inflation port are arranged at different positions.

In the above preferred technical scheme of the self-inflating and self-discharging foam cavity supporting foam support framework, the foam support framework is an outer foam support framework, the outer foam support framework is arranged outside the inflating cavity, and the first inflating port and the second inflating port are arranged at different positions.

In the above preferred technical solution of the self-charging and discharging foam cavity supporting foam support framework, the first charging and discharging mechanism comprises at least one charging and discharging mechanism, and the second charging and discharging mechanism comprises at least two charging and discharging mechanisms; the first filling and discharging mechanism comprises a filling and discharging mechanism, and the second filling and discharging mechanism comprises at least two filling and discharging mechanisms which are arranged side by side; the filling and discharging mechanism is a self-sealing overflow pipe and a discharging spoon, the self-sealing overflow pipe comprises a filling end and a sealing end, the filling end and the sealing end are communicated, the discharging spoon comprises a first end and a second end, and the discharging spoon is only used in discharging; the outer wall of the self-sealing overflow pipe is sealed with an inflation inlet of the inflatable product; the external air source is inflated through the self-sealing overflow pipe, and when the required inflation volume or pressure is reached, the automatic sealing is realized by the sealing end of the self-sealing overflow pipe under the action of the internal pressure of the inflatable product after the inflation is stopped; when the self-sealing overflow pipe is exhausted, the sealing end of the self-sealing overflow pipe is opened by the drainage spoon to damage the self-sealing state of the self-sealing overflow pipe, and the gas in the inflatable product is exhausted outwards from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure.

In the above preferred technical scheme of the self-inflating and self-discharging foam cavity supporting framework, when in exhaust, the second end of the drainage spoon stretches in from the inflating end of the self-sealing overflow pipe and opens the gap at the sealing end of the self-sealing overflow pipe, and because the air pressure of the inner cavity of the inflatable product is higher than the external air pressure, the air in the inner cavity of the inflatable product is rapidly exhausted through the gap.

In the preferred technical scheme of the self-filling foam discharging cavity supporting framework, the inner side wall of the self-sealing overflow pipe is provided with a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are arranged on one side far away from the sealing end of the self-sealing overflow pipe, the first clamping ring is positioned on one side of the filling end, and a bulge is arranged on the second end of the drainage spoon; when the self-sealing overflow pipe is in a non-exhaust state, the first clamping ring is clamped and connected with the bulge, at the moment, the internal pressure of the inflatable product is higher than the external pressure, and the sealing end of the self-sealing overflow pipe is in a sealing state under the action of the internal pressure of the inflatable product; when in the exhaust state, the second clamping ring is clamped and connected with the bulge, at the moment, the second end of the drainage spoon stretches out the gap from the sealing end of the self-sealing overflow pipe, the self-sealing state of the self-sealing overflow pipe is destroyed, and the gas in the inflatable product is rapidly discharged from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure.

In the above preferred technical solution of the self-inflating and foam-removing cavity supporting framework, the self-inflating and foam-removing cavity supporting framework further comprises a protection layer, and the protection layer is used for wrapping the foam-supporting framework or the inflating cavity.

In the above-mentioned preferred technical scheme of self-inflating and bubble-removing cavity supporting framework, the self-inflating and bubble-removing cavity supporting framework further comprises an extrusion cavity, and the extrusion cavity is arranged at the first inflation port and the second inflation port and is used for assisting in inflation.

In the above preferred technical scheme of the self-inflating and self-discharging foam cavity supporting framework, the extrusion cavity and the self-inflating and self-discharging foam cavity supporting foam supporting framework are of an integrated structure.

In the above preferred technical scheme of the self-inflating and foam-discharging cavity supporting framework, the extruding cavity and the self-inflating and foam-discharging cavity supporting framework are of a separable structure, and the extruding cavity can be removed from the first inflation port of the foam-supporting framework and the second inflation port of the inflation cavity after inflation is completed.

It can be appreciated by those skilled in the art that in the preferred technical scheme of the invention, the self-inflating and self-discharging foam cavity supporting framework does not need other inflating equipment, does not need manual air blowing and sealing, can realize quick inflation and air discharging, can realize self-sealing of an inflating port, does not need to worry about the problem of leakage of the inflating port, is simple to store, can be repeatedly used for many times, does not need external force or manpower to support, supports self-geometric structure by the self-framework, and keeps stable physical appearance.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the structure of a self-inflating and self-deflating chamber support framework (outer foam support framework) of the present invention;

FIG. 2 is a schematic structural view of a self-inflating and deflating cavity supporting framework (inner foam supporting framework) of the present invention;

FIG. 3 is a schematic structural view of the charge and discharge mechanism of the present invention;

FIG. 4 is a schematic view of a self-sealing overflow pipe according to the invention;

FIG. 5 is a schematic view of a structure of a first embodiment of a drain spoon of the present invention;

fig. 6 is a schematic structural diagram of a first embodiment of a charging and discharging mechanism of the present invention;

fig. 7 is a schematic structural diagram II of a first embodiment of a charging and discharging mechanism of the present invention;

FIG. 8 is a schematic diagram of a second embodiment of a drain spoon of the present invention;

fig. 9 is a schematic structural diagram of a second embodiment of a charging and discharging mechanism of the present invention;

fig. 10 is a schematic structural diagram of a second embodiment of a charging and discharging mechanism of the present invention;

reference numerals: 1. an air-filling cavity; 2. an outer foam support framework; 3. a second charging and discharging mechanism; 4. a first charging and discharging mechanism; 6. a charging and discharging mechanism; 61. self-sealing overflow pipe; 611. a filling end; 612. sealing the end; 613. a first snap ring; 614. a second snap ring; 62. a drain spoon; 621. a first end; 622. a second end; 623. fork teeth; 624. a protrusion.

Detailed Description

Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, in the description of the present invention, terms such as "medium," "upper," "lower," "transverse," "inner," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

The inflatable skeleton has the advantages that the inflatable skeleton is free of other inflatable devices, free of manual blowing and sealing, capable of realizing quick inflation and exhaust, capable of realizing self-sealing of the inflatable port, free of worry about leakage of the inflatable port, simple in storage, reusable in multiple times, free of external force or manpower support, capable of supporting the self-geometric structure of the inflatable skeleton, and capable of keeping stable physical appearance.

Specifically, the self-inflating and discharging foam cavity supporting framework comprises a framework, a first inflating and discharging mechanism 4, an inflating cavity 1 and a second inflating and discharging mechanism 3; the foam support framework is formed by connecting a plurality of inflation pipes, the inflation pipes are communicated with each other, the first inflation and exhaust mechanism 4 is connected with a first inflation port of the foam support framework in a sealing way, and the foam support framework can be inflated and exhausted through the first inflation and exhaust mechanism 4; the air charging cavity 1 is a closed cavity, the second air charging and discharging mechanism 3 is in sealing connection with a second air charging port of the air charging cavity 1, and the air charging and discharging mechanism 3 can charge and discharge air to the air charging cavity 1; the bubble support framework is connected with the inflation cavity 1 in an abutting mode. In the invention, the main supporting function is that the shapes of the foam support framework, the foam support framework and the inflating cavity 1 can be designed at will, and in practical application, the foam support framework and the inflating cavity 1 can be designed into different shapes according to specific requirements by a person skilled in the art, and the change of the shapes is limited in the protection scope of the invention. For example, it can be designed as a tent, a wardrobe, a clothes hanger, a mannequin, an express box, a traffic warning sign, or the like. In addition, the filling and discharging medium of the self-filling and discharging foam cavity supporting framework is not necessarily only gas, but also liquid, and also solid powder. The inflatable chamber 1 can be cylindrical, square or abnormal, and the change of the shape of the inflatable chamber 1 by a person skilled in the art should be limited within the protection scope of the present invention.

Preferably, as shown in fig. 2, the bubble support skeleton is an inner bubble support skeleton, the inner bubble support skeleton is arranged in the inflation cavity 1, the first inflation port of the inner bubble support skeleton is arranged at the joint between the inner bubble support skeleton and the inflation cavity 1 in a sealing manner, so that the first inflation and exhaust mechanism 4 can only inflate and exhaust the inner bubble support skeleton, the gas pressure in the inflation cavity 1 is not influenced, and the first inflation port and the second inflation port are arranged at different positions.

Preferably, as shown in fig. 1, the foam support framework is an outer foam support framework 2, the outer foam support framework 2 is arranged outside the inflation cavity 1, and the first inflation inlet and the second inflation inlet are arranged at different positions.

Preferably, the first charging and discharging mechanism 4 comprises at least one charging and discharging mechanism 6, and the second charging and discharging mechanism 3 comprises at least two charging and discharging mechanisms 6; the filling and discharging mechanism 6 comprises a self-sealing overflow pipe 61 and a discharging spoon 62, the self-sealing overflow pipe 61 comprises a filling end 611 and a sealing end 612, the filling end 611 and the sealing end 612 are communicated, the discharging spoon 62 comprises a first end 621 and a second end 622, and the discharging spoon 62 is only used in discharging; the outer wall of the self-sealing overflow pipe 61 is sealed with an inflation inlet of the inflatable product; the external air source is inflated through the self-sealing overflow pipe 61, and when the required inflation volume or pressure is reached, the self-sealing overflow pipe 61 is inflated, and the sealing end 612 of the self-sealing overflow pipe 61 is automatically sealed under the action of the internal pressure of the inflatable product; during the air discharge, the air discharge spoon 62 makes the sealing end 612 of the self-sealing overflow pipe 61 open the gap, and breaks the self-sealing state of the self-sealing overflow pipe 61, and the air in the inflatable product is discharged outwards from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure. In the present invention, the self-sealing overflow pipe 61 is of a film structure, but not limited to a plastic film, and may be a metal film (such as a stainless steel film with a thickness of 0.01 mm) or a film made of other materials, so that self-sealing is convenient to form and the sealing effect is good. More preferably, the first charging and discharging mechanism 4 is two charging and discharging mechanisms 6; the second charging and discharging mechanism 3 is four charging and discharging mechanisms 6 and is arranged side by side.

Preferably, during venting, the second end 622 of the drain spoon 62 extends into the fill end 611 of the self-sealing overflow tube 61 and spreads the seal end 612 of the self-sealing overflow tube 61 out of the gap, and the gas in the interior of the inflatable article is vented rapidly through the gap due to the pressure of the interior of the inflatable article being higher than the external pressure.

In addition, the second end 622 of the drain spoon 62 is provided with at least one prong 623. The second end 622 of the spoon 62 may be provided with one prong 623, two prongs 623 or three; the tines 623 may be linear or have a curvature; the shape of the drain spoon 62 may be cylindrical or plate-like, and any changes in the shape of the drain spoon 62 by those skilled in the art should be limited to the scope of the present invention. More preferably, the drain spoon 62 has a plate-like structure, and three tines 623 are provided at the second end 622 of the drain spoon 62 with a certain spacing between adjacent tines 623. More preferably, the length of the drain spoon 62 is greater than that of the self-sealing overflow pipe 61, the drain spoon 62 is convenient to operate, a sealing end 612 of the self-sealing overflow valve in a closed state is poked by a small poking hole, and then the air can be exhausted.

In the present invention, in order to explain the inflation process, it is assumed that a large (cylindrical or square) sealed inflation cavity 1 and a bubble support skeleton (which may be an inner bubble support skeleton 2 or an outer bubble support skeleton 3) are provided, when the bubble support skeleton is inflated by the self-sealing overflow pipe 61 of the attached extrusion cavity, the bubble support skeleton is gradually expanded, the cavity of the sealed inflation cavity 1 is also increased in volume due to the expansion of the bubble support skeleton, so that the internal air pressure of the sealed inflation cavity 1 is lower than the external air pressure, the external air is inflated into the cavity of the sealed inflation cavity 1 through the self-sealing overflow pipe 61 configured by the sealed inflation cavity 1, because the volume of the sealed inflation cavity 1 is much larger than that of the bubble support skeleton, the volume of the sealed inflation cavity 1 per unit time of the sealed inflation cavity 1 configured by the sealed inflation cavity is much larger than that of the bubble support skeleton, so that the number of the self-sealing overflow pipes 61 configured by the sealed inflation cavity 1 is at least 4 times or more than that of the self-sealing overflow pipe 61 can satisfy the requirement of inflation efficiency, and the self-sealing overflow pipe 61 configured by the sealed inflation cavity 1 is conveniently and simultaneously exhausted in a side-by side arrangement mode. In order to increase the inflation rate of the cavity of the sealed inflation cavity 1, the drainage spoon 62 in the self-sealing overflow pipe 61 configured in the sealed inflation cavity 1 can be pushed into the second clamping ring 614 in advance, when the bubble support framework completes inflation, the self-sealing overflow pipe 61 with the extrusion cavity is automatically sealed, the sealed inflation cavity 1 stops expanding because of the shaping of the bubble support framework, and when the air pressure in the sealed inflation cavity 1 is consistent with the external air pressure, the drainage spoon 62 in the self-sealing overflow pipe 61 configured in the sealed inflation cavity 1 can be pulled back to the first clamping ring 613, and at the moment, the self-sealing overflow pipe 61 configured in the sealed inflation cavity 1 is automatically sealed. The inflation action of the sealed inflation chamber 1 is completed.

Preferably, the inner side wall of the self-sealing overflow pipe 61 is provided with a first clamping ring 613 and a second clamping ring 614, the first clamping ring 613 and the second clamping ring 614 are arranged on the side far away from the sealing end 612 of the self-sealing overflow pipe 61, the first clamping ring 613 is positioned on the side of the filling end 611, and a protrusion 624 is arranged on the second end 622 on the drainage spoon 62; in the non-venting state, the first clamping ring 613 is clamped and connected with the protrusion 624, at this time, the internal pressure of the inflatable product is higher than the external pressure, and the sealing end 612 of the self-sealing overflow pipe 61 is in a sealing state under the action of the internal pressure of the inflatable product; in the exhaust state, the second clamping ring 614 is clamped with the protrusion 624, at this time, the second end 622 of the drainage spoon 62 struts the sealing end 612 of the self-sealing overflow pipe 61 to open the gap, the self-sealing state of the self-sealing overflow pipe 61 is destroyed, and the gas in the inflatable product is rapidly discharged from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure. Variations in the shape of the first snap ring 613, the second snap ring 614, and the protrusion 624 should be limited by those skilled in the art within the scope of the present invention. Preferably, the self-inflating and self-deflating foam cavity supporting framework further comprises a protective layer, and the protective layer is used for wrapping the foam support framework or the inflating cavity 1. The protective layer may be one or more of a plastic cloth, canvas, metal film cloth, or a hard plastic plate.

Preferably, the self-inflating and foam-discharging cavity supporting framework further comprises an extrusion cavity, and the extrusion cavity is arranged at the first inflation port and the second inflation port and is used for assisting in inflation. The extrusion cavity is an opening cavity surrounded by an annular extrusion wall.

Preferably, the extrusion cavity and the self-charging and discharging foam cavity support framework are of an integrated structure.

Preferably, the extrusion cavity and the self-inflating and self-discharging foam cavity support framework are of separable structures, and the extrusion cavity can be removed from the first inflation port of the framework and the second inflation port of the inflation cavity 1 after inflation is completed.

When the substance is filled into the foam support frame, the auxiliary extrusion cavity is opened by two hands, so that air is filled in the extrusion cavity, then the inlet of the extrusion cavity is tightly tied by one hand to form a sealing state of the extrusion cavity, the extrusion cavity is slightly pressed by the other hand, and the air in the extrusion cavity enters the foam support frame through the self-sealing overflow pipe 61, so that the shell is gradually opened, and the shell is unfolded in place when full. If the air supply equipment is used, the extrusion cavity is directly sleeved on the air supply pipe and is tightly tightened to be inflated.

When the substance is filled with liquid or powder, the substance is poured into the extrusion cavity in advance, and when the substance is generally filled into the extrusion cavity with 2/3 of the volume, the inlet of the extrusion cavity is tightly tied by hands to form a sealing state of the extrusion cavity, and the other hand slightly presses the extrusion cavity with force, so that the substance in the extrusion cavity enters the foam support framework through the self-sealing overflow pipe 61. If the tap or the powder feeder is used, the extrusion cavity is directly butted and tightly tied on the tap or the powder feeder by the hand, and then the filling can be completed.

When the bubble support framework is full, the pressure in the bubble support framework is higher than the external air pressure, and when the extrusion cavity stops extrusion, the sealing end 612 of the self-sealing overflow pipe 61 can be automatically closed and blocked because the pressure in the bubble support framework is higher than the external air pressure, so that a stable bubble cavity framework supporting structure is formed. When the self-sealing overflow pipe 61 is disassembled, the drainage spoon 62 is slightly pushed into the sealing end 612 of the self-sealing overflow pipe 61 to prop open the gap, so that quick drainage can be realized, and the self-sealing overflow pipe is folded and stored after the drainage is finished.

Embodiment one: the filling and draining mechanism comprises a self-sealing overflow pipe 61 and a draining spoon 62; the self-sealing overflow pipe 61 comprises a filling end 611 and a sealing end 612, the filling end 611 and the sealing end 612 are communicated, the drain spoon 62 comprises a first end 621 and a second end 622, and the drain spoon 62 is only used in exhausting; the outer wall of the self-sealing overflow pipe 61 is sealed with an inflation inlet of the inflatable product; the external air source is inflated through the self-sealing overflow pipe 61, and when the required inflation volume or pressure is reached, the self-sealing overflow pipe 61 is inflated, and the sealing end 612 of the self-sealing overflow pipe 61 is automatically sealed under the action of the internal pressure of the inflatable product; during the air discharge, the air discharge spoon 62 makes the sealing end 612 of the self-sealing overflow pipe 61 open the gap, and breaks the self-sealing state of the self-sealing overflow pipe 61, and the air in the inflatable product is discharged outwards from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure. The charging and discharging mechanism in the invention can be suitable for charging and discharging gas, liquid and solid powder.

Embodiment two: unlike the above, the inner side wall of the self-sealing overflow pipe 61 is provided with a first clamping ring 613 and a second clamping ring 614, the first clamping ring 613 and the second clamping ring 614 are arranged at the side far away from the sealing end 612 of the self-sealing overflow pipe 61, the first clamping ring 613 is positioned at the side of the filling end 611, and the second end 622 on the drain spoon 62 is provided with a protrusion 624; in the non-venting state, the first clamping ring 613 is clamped and connected with the protrusion 624, at this time, the internal pressure of the inflatable product is higher than the external pressure, and the sealing end 612 of the self-sealing overflow pipe 61 is in a sealing state under the action of the internal pressure of the inflatable product; in the exhaust state, the second clamping ring 614 is clamped with the protrusion 624, at this time, the second end 622 of the drainage spoon 62 struts the sealing end 612 of the self-sealing overflow pipe 61 to open the gap, the self-sealing state of the self-sealing overflow pipe 61 is destroyed, and the gas in the inflatable product is rapidly discharged from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure.

Embodiment III: the self-charging spareribs rack table, chair and bed is simple and convenient to set and convenient to store. For example, when traveling, the bubble support chair is put out and put down, one chair is squeezed, and when the bubble support chair is removed, the air discharge spoon 62 is pushed to discharge air and the bubble support chair is taken up.

Embodiment four: the self-charging spareribs rack simple sundries bag/box is simple and convenient to set and convenient to store.

Fifth embodiment: the self-inflating spareribs frame emergency life jacket is inflated automatically in 3 seconds and self-rescue is fast.

Example six: the temporary traffic warning board for the self-charging rib frame is fast to self-charge, the packing box serves as a base, the size is small, the implementation height can exceed 1.5 meters, and the temporary traffic warning board is matched with reflective and noctilucent materials. Better, stronger and more obvious warning effect, can be freely retracted and can be repeatedly used.

Embodiment seven: the self-charging and discharging skeleton water warning board is fast self-charging, and the packing box is provided with an anchor and a fixing rope. The portable alarm device is small in size, convenient to carry, simple and convenient to implement, good in alarm indication effect, free to retract and release and reusable.

Example eight: the self-charging rib frame bearing bag is made of special materials, and can be applied to various purposes such as fire protection, disaster relief and the like, emergency support protection and the like.

Example nine: the self-charging spareribs rack garbage bag can be used without an outer barrel and can be put down directly after being thrown and extruded, so that resources are saved.

Example ten: medical splints or supports for self-inflating spareribs, emergency trauma support protection, etc.

Example eleven: the self-filling spareribs, clothes, props and the like can be used for cooling and fire fighting if the filled substance is water.

Embodiment twelve: outdoor products with self-inflating rib frames (tents, sleeping bags, tables, chairs, sun-shading rain-shielding covers, raincoats, fishing products and the like).

Example eleven: self-inflating spareribs and boats, etc.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.

Claims

1. The self-charging and discharging foam cavity supporting framework is characterized by comprising a foam supporting framework, a first charging and discharging mechanism, a charging cavity and a second charging and discharging mechanism;

the foam support framework is formed by connecting a plurality of inflation pipes, the inflation pipes are communicated with each other, the first inflation and exhaust mechanism is in sealing connection with a first inflation port of the foam support framework, and the foam support framework can be inflated and exhausted through the first inflation and exhaust mechanism;

the second charging and discharging mechanism is connected with a second charging port of the charging cavity in a sealing way, and can charge and discharge air in the charging cavity through the second charging and discharging mechanism;

the foam support framework is connected with the inflatable cavity in an abutting mode;

the first charging and discharging mechanism comprises at least one charging and discharging mechanism, and the second charging and discharging mechanism comprises at least two charging and discharging mechanisms; the filling and discharging mechanism is a self-sealing overflow pipe and a discharging spoon, the self-sealing overflow pipe comprises a filling end and a sealing end, the filling end and the sealing end are communicated, the discharging spoon comprises a first end and a second end, and the discharging spoon is only used in discharging; the outer wall of the self-sealing overflow pipe is sealed with an inflation inlet of the inflatable product; the external air source is inflated through the self-sealing overflow pipe, and when the required inflation volume or pressure is reached, the automatic sealing is realized by the sealing end of the self-sealing overflow pipe under the action of the internal pressure of the inflatable product after the inflation is stopped; when the self-sealing overflow pipe is exhausted, the sealing end of the self-sealing overflow pipe is propped open by the drainage spoon to damage the self-sealing state of the self-sealing overflow pipe, and the gas in the inflatable product is exhausted outwards from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure;

the inner side wall of the self-sealing overflow pipe is provided with a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are arranged on one side far away from the sealing end of the self-sealing overflow pipe, the first clamping ring is positioned on one side of the filling end, and a bulge is arranged on the second end of the drainage spoon;

when the self-sealing overflow pipe is in a non-exhaust state, the first clamping ring is clamped and connected with the bulge, at the moment, the internal pressure of the inflatable product is higher than the external pressure, and the sealing end of the self-sealing overflow pipe is in a sealing state under the action of the internal pressure of the inflatable product; when in an exhaust state, the second clamping ring is clamped and connected with the bulge, at the moment, the second end of the drainage spoon stretches the sealing end of the self-sealing overflow pipe to open the gap, the self-sealing state of the self-sealing overflow pipe is destroyed, and the gas in the inflatable product is rapidly discharged from the gap due to the fact that the internal pressure of the inflatable product is higher than the external pressure;

when the air is exhausted, the second end of the drainage spoon stretches in from the air filling end of the self-sealing overflow pipe, and the sealing end of the self-sealing overflow pipe is propped open to form a gap, and the air in the inner cavity of the air-filled product is exhausted rapidly through the gap because the air pressure in the inner cavity of the air-filled product is higher than the external air pressure.

2. The self-inflating and deflating foam chamber supporting framework of claim 1, wherein the foam support framework is an inner foam support framework, the inner foam support framework is arranged in the inflation chamber, the first inflation port of the inner foam support framework is arranged at the joint of the inner foam support framework and the inflation chamber in a sealing manner, the first inflation and deflating mechanism can only inflate and deflate the inner foam support framework without affecting the gas pressure in the inflation chamber, and the first inflation port and the second inflation port are arranged at different positions.

3. The self-inflating and self-deflating foam chamber support frame according to claim 1, wherein the foam support frame is an outer foam support frame, the outer foam support frame is arranged outside the inflating chamber, and the first inflating port and the second inflating port are arranged at different positions.

4. A self-inflating and de-bubbling chamber support frame according to any one of claims 1 to 3, further comprising a protective layer for enveloping the bubble stay frame or the bubbling chamber.

5. A self-inflating and bubble removing cavity support frame according to any one of claims 1 to 3, further comprising an extrusion cavity disposed at the first inflation port and the second inflation port for assisting in inflation.

6. The self-inflating and de-bubbling chamber support frame according to claim 5, wherein the extrusion chamber and the self-inflating and de-bubbling chamber support frame are of unitary construction.

7. The self-inflating and de-inflating foam chamber support frame of claim 6 wherein the extrusion chamber and the self-inflating and de-inflating foam chamber support frame are of separable construction, and the extrusion chamber is removable from the first inflation port of the foam support frame and the second inflation port of the inflation chamber upon inflation.