CN215927724U

CN215927724U - Multifunctional tuyere and inflatable product

Info

Publication number: CN215927724U
Application number: CN202122579182.0U
Authority: CN
Inventors: 史菊英
Original assignee: Dongguan Hongyu Plastic Co Ltd
Current assignee: Dongguan Hongyu Plastic Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-01
Anticipated expiration: 2031-10-25

Abstract

The application provides a multi-functional tuyere and aerifys the product, multi-functional tuyere includes base member, check valve and shutoff piece, and the base member is equipped with first through-hole. The one-way valve is provided with a one-way communication channel, is movably connected with the base body and is provided with a first position and a second position which are mutually switched, and when the one-way valve is positioned at the first position, the one-way valve is inserted into the first through hole and is in sealing connection with the hole wall of the first through hole; when the one-way valve is located at the second position, the one-way valve is located outside the first through hole. The plugging piece is movably connected with the base body and used for closing or opening the channel. The functions of inflation and deflation are integrated, the number of air nozzles on the inflatable product is reduced, the cost is reduced, and meanwhile the sealing performance is enhanced.

Description

Multifunctional tuyere and inflatable product

Technical Field

The utility model relates to the technical field of sealing, in particular to a multifunctional tuyere and an inflatable product.

Background

Inflatable products in the market, such as inflatable beds, inflatable tables, inflatable boats, inflatable toys and the like, are popular with consumers due to the advantages of light weight, folding property, easy carrying, good comfort and the like, have extremely wide application range, become one of essential products for people to live at home and travel, and have extremely high market prospect. As one of the essential parts of the inflatable product, the quality of the air nozzle seat structure is directly related to the air tightness of the inflatable product, and if the air tightness is not enough or the sealing can not be kept for a long time, the use experience of consumers on the inflatable product is directly influenced.

The inventor researches and discovers that the air nozzle structure of the existing inflating product has the following defects:

the sealing property is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional air nozzle and an inflatable product, which can improve the sealing property, have diversified functions, reduce the number of the air nozzles and reduce the cost.

The embodiment of the utility model is realized by the following steps:

in a first aspect, the present invention provides a multi-functional tuyere, comprising:

the base body is provided with a first through hole;

the one-way valve is provided with a one-way communication channel and is movably connected with the base body, the one-way valve is provided with a first position and a second position which are mutually switched, and when the one-way valve is positioned at the first position, the one-way valve is inserted into the first through hole and is in sealing connection with the hole wall of the first through hole; when the one-way valve is positioned at the second position, the one-way valve is positioned outside the first through hole;

and the plugging piece is movably connected with the base body and is used for closing or opening the channel.

In an alternative embodiment, the base comprises a reinforcing member and a base which are injection molded as a single piece, the reinforcing member having a hardness greater than that of the base; the one-way valve and the plugging piece are movably connected with the base.

In an alternative embodiment, the base comprises a body and an outward flanging which are connected, the outward flanging is arranged around the body, one end of the body protrudes out of the outward flanging along the extending direction of the first through hole, and the one-way valve and the plugging piece are connected with the part of the body protruding out of the outward flanging; the outward flanging is used for being connected with the inflatable product in a sealing mode.

In an alternative embodiment, the one-way valve is movably connected with the base body through a first connecting belt, or the plugging member is movably connected with the base body through a second connecting belt.

In an alternative embodiment, the first connecting strip is provided with a positioning hole, and the blocking piece can be connected with the channel after passing through the positioning hole so as to block the channel.

In an optional embodiment, the check valve comprises a valve body and a valve plate, the valve body is connected with the first connecting belt, the channel is arranged on the valve body, the valve plate is connected with the valve body, and the valve plate is used for blocking the channel in a one-way mode.

In an alternative embodiment, the valve body comprises a cylinder part, a sealing part and a positioning part, two ends of the cylinder part are open, a second through hole is formed in the sealing part, the sealing part is arranged at one end of the cylinder part, and the second through hole is communicated with a cylinder cavity of the cylinder part to form a channel together; the positioning part is connected with the sealing part and is positioned in the cylinder cavity;

the valve plate comprises a connecting column and a sealing body which are connected, the connecting column penetrates through the sealing part and is connected with the positioning part, and the sealing body is used for being attached to the end face, far away from the cylinder part, of the sealing part so as to plug the second through hole; the sealing body is also used for generating a gap with the end face of the sealing part far away from the cylinder part under the action of external force so as to conduct the channel.

In an alternative embodiment, the first connecting band or the second connecting band is provided as a strip-shaped band having a thick middle and thin ends.

In an alternative embodiment, a closure is adapted to be inserted into the channel to close the channel.

In a second aspect, the present invention provides an inflatable product comprising:

the base body is connected with the inflatable product main body in a sealing mode, and the first through hole is used for being communicated with an inflating cavity of the inflatable product main body.

The embodiment of the utility model has the beneficial effects that:

in conclusion, the multifunctional air nozzle provided by the embodiment can be applied to a plurality of inflatable products such as an inflatable bed, the base is in sealing connection with the inflatable bed, and the first through hole is communicated with the inflation cavity of the inflatable bed. When needing to aerify, insert the check valve in first through-hole, utilize the passageway to aerify in aerifing the cavity, in gas can enter into aerifing the cavity, because the effect of check valve, the gas that is in aerifing the cavity can not spill over from the passageway, does benefit to and aerifys, and the check valve plays sealed effect. After the completion of aerifing, be connected shutoff piece and check valve, make the shutoff piece close the passageway, so, the passageway not only seals through check valve self structure, still seals through the shutoff piece, has realized double seal, and is sealed effectual, difficult gas leakage. Simultaneously, the check valve can be pulled out from first through-hole to relieve the check valve and to the sealed of first through-hole, can directly lose heart through first through-hole, lose heart convenient operation is swift. This multi-functional tuyere possesses simultaneously aerifys and the function of disappointing, and the function is diversified, compares traditional independent setting and aerifys and the tuyere that loses heart, has reduced the quantity of tuyere, saves the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic perspective view of a multi-functional tuyere according to an embodiment of the present invention;

FIG. 2 is an exploded view of the multi-functional tuyere according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a first embodiment of a multi-functional tuyere according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a second embodiment of the multi-functional tuyere of the embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a third embodiment of the multi-functional tuyere according to the embodiment of the present invention;

fig. 6 is a schematic cross-sectional structural view of a check valve according to an embodiment of the present invention.

Icon:

100-a substrate; 110 — a first via; 120-a stiffener; 130-a base; 131-a body; 1311-barrel; 1312-a ring-shaped connection; 1313-coaming; 1314-annular groove; 132-out-turned flanging; 200-a one-way valve; 201-channel; 210-a valve body; 211-a barrel portion; 2111-annular boss; 212-a seal; 2121-a second via; 2122-a limit groove; 213-a positioning section; 220-valve plate; 221-connecting column; 222-a seal body; 300-a blocking piece; 400-a first connecting strip; 410-positioning holes; 500-second connecting strap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, aerify and be provided with the tuyere base on the product, tuyere base mainly used aerify and lose heart, among the prior art, the tuyere base is according to the difference of function and structure, respectively for aerifing the seat and disappointing the seat, aerify the seat and be used for being connected with the air pump and aerify, the seat that loses heart is used for disappointing. So, need set up two at least tuyere seats on aerifing the product, the cost is increased, and every setting up a tuyere seat and all need trompil on aerifing the product, the integrality of aerifing the product has been destroyed in the setting of a plurality of tuyere seats, has increased the risk of revealing.

In view of this, designers have designed a multifunctional tuyere, which integrates the functions of inflation and deflation, reduces the number of tuyeres on an inflatable product, reduces the cost, and increases the sealing performance.

Referring to fig. 1 and 2, in the present embodiment, the multi-functional tuyere includes a base 100, a check valve 200, and a blocking member 300, and the base 100 is provided with a first through hole 110. The check valve 200 is provided with a one-way communication channel 201, the check valve 200 is movably connected with the base body 100, the check valve 200 is provided with a first position and a second position which are mutually switched, and when the check valve 200 is located at the first position, the check valve 200 is inserted into the first through hole 110 and is in sealing connection with the hole wall of the first through hole 110; in the second position, the check valve 200 is positioned outside the first through-hole 110. The closure 300 is movably connected to the base body 100 for closing or opening the passage 201.

It should be noted that the multifunctional tuyere provided in this embodiment is applied to an inflatable product, where the inflatable product includes, but is not limited to, an inflatable bed, an inflatable table, an inflatable boat, an inflatable toy, and the like. The base body 100 of the multifunctional tuyere is connected with the inflatable bed in a sealing way, and the inflatable bed can be inflated or deflated through the multifunctional tuyere.

The use mode of the multifunctional tuyere provided by the embodiment comprises the following steps:

with reference to fig. 3-5, when inflation is required, the check valve 200 is inserted into the first through hole 110, the check valve 200 is located at the first position, at this time, the check valve 200 is hermetically connected to the hole wall of the first through hole 110, the channel 201 is used to inflate the inflation chamber, gas can enter the inflation chamber, due to the action of the check valve 200, the gas in the inflation chamber cannot overflow from the channel 201, so that inflation is facilitated, and the check valve 200 plays a sealing role. After the completion of inflating, be connected shutoff piece 300 and check valve 200, make shutoff piece 300 close passageway 201, so, passageway 201 not only seals through check valve 200 self structure, still seals through shutoff piece 300, has realized double seal, and is sealed effectual, difficult gas leakage.

When needing to lose heart, pull out shutoff piece 300 from passageway 201 earlier, pull out check valve 200 from first through-hole 110 again, check valve 200 is in the second position to relieve the sealed of check valve 200 to first through-hole 110, can directly lose heart through first through-hole 110, lose heart convenient operation is swift. This multi-functional tuyere possesses simultaneously aerifys and the function of disappointing, and the function is diversified, compares traditional needs independent setting and aerifys and the tuyere that loses heart, has reduced the quantity of tuyere, saves the cost.

Referring to fig. 2, in the present embodiment, optionally, the base 100 includes a reinforcing member 120 and a base 130 that are integrally injection-molded, and the hardness of the reinforcing member 120 is greater than that of the base 130, so that the structural strength of the base 100 is enhanced, and the base is not easily deformed and damaged and has a long service life. Optionally, the base 130 includes an integral body 131 and an annular out-turned flange 132. The body 131 includes an integrated cylinder 1311, an annular connecting portion 1312, and a shroud 1313, both ends of the cylinder 1311 are open, and a cylinder cavity of the cylinder 1311 is the first through hole 110. Annular connecting portion 1312 is sleeved outside one end of cylinder 1311, shroud 1313 is sleeved outside annular connecting portion 1312, and shroud 1313 is arranged around annular connecting portion 1312 and cylinder 1311, that is, the extending direction of one end of shroud 1313 far away from annular connecting portion 1312 is the same as that of one end of cylinder 1311 far away from annular connecting portion 1312. The reinforcement 120 is injection molded as one piece with the annular connecting portion 1312, the barrel 1311 and the shroud 1313. The outward-folded edge 132 is sleeved outside the coaming 1313, the outward-folded edge 132 and one end of the coaming 1313 far away from the annular connecting part 1312 are spaced, the outward-folded edge 132 is of a circular ring structure, and the outward-folded edge 132 is used for being connected with an inflatable body of the inflatable bed in a sealing mode. When the base body 100 is connected with the inflatable body in a sealing mode, a mounting hole is formed in the inflatable body, a part of the base body 100 is inserted into the inflatable body through the mounting hole, the annular connecting portion 1312 is located inside the inflatable body, one side, close to the annular connecting portion 1312, of the outward-folded edge 132 is in sealing fit with the inflatable body, and the outward-folded edge 132 and the inflatable body can be connected in a sealing mode through bonding and the like.

Further, an annular groove 1314 is provided on the inner cylindrical wall of the barrel 1311.

Referring to fig. 6, in the present embodiment, optionally, the check valve 200 includes a valve body 210 and a valve plate 220, and the valve body 210 is connected to one end of the cylinder 1311 away from the annular connection portion 1312 through a first connection belt 400. The channel 201 is arranged on the valve body 210, the valve plate 220 is connected with the valve body 210, and the valve plate 220 is used for blocking the channel 201 in a one-way mode. Further, the valve body 210 includes a cylindrical portion 211, a seal portion 212, and a positioning portion 213, both ends of the cylindrical portion 211 are open, and an annular protrusion 2111 is provided on the outer peripheral surface of the cylindrical portion 211. The sealing part 212 is provided with a second through hole 2121, the sealing part 212 is arranged at one end of the cylinder part 211, and the second through hole 2121 is communicated with the cylinder cavity of the cylinder part 211 to jointly form a channel 201; the positioning part 213 is connected to the sealing part 212 and is located in the cylinder chamber. The number of the second through holes 2121 is set as required, and may be set to be one or more, and when the second through holes 2121 are set to be plural, the valve plate 220 can simultaneously block the plural second through holes 2121. Furthermore, a limiting groove 2122 is disposed on one side of the sealing portion 212 away from the cylinder portion 211, the second through holes 2121 penetrate through a groove bottom wall of the limiting groove 2122, the groove bottom wall of the limiting groove 2122 is used for being in sealing connection with the valve sheet 220, and the groove bottom wall is an arc-shaped surface.

Referring to fig. 6, optionally, the valve plate 220 includes a connecting column 221 and a sealing body 222 connected to each other, and the sealing body 222 is a rubber body or a silicone strip, and can generate a certain elastic deformation. The connection post 221 penetrates through the sealing portion 212 and is connected to the positioning portion 213, the sealing body 222 has an arc surface for fitting with the bottom wall of the groove on the sealing portion 212, and in a normal state, the sealing body 222 is embedded in the limiting groove 2122 and blocks the second through hole 2121. Meanwhile, the sealing body 222 is also used for generating a gap with the end surface of the sealing part 212 far away from the cylinder part 211 under the action of external force so as to enable the passage 201 to be communicated, namely, when the valve is inflated, gas enters from the cylinder part 211 and enters the second through hole 2121, the sealing body 222 of the valve sheet 220 is pressed through the second through hole 2121, the sealing body 222 is deformed under the action of air pressure, the second through hole 2121 is opened, and the gas enters the inflation main body from the second through hole 2121. After the inflation is completed, the internal air pressure of the inflatable main body is greater than the air pressure of the external environment, and under the action of the internal air pressure of the inflatable main body, the sealing body 222 recovers deformation and is attached to the bottom wall of the limiting groove 2122 to plug the second through hole 2121. Because the sealing body 222 is disposed in the limiting groove 2122, the position of the sealing body 222 is stable; and as the sealing body 222 and the groove bottom wall of the limiting groove 2122 form an arc-shaped sealing belt, the contact area is increased, namely the sealing area is increased, so that the sealing effect is improved.

In this embodiment, the first connecting band 400 is a rubber band or a silicone band, the first connecting band 400 is a strip-shaped band having a thin middle and thick ends, one end of the first connecting band 400 is connected to one end of the cylinder 1311 away from the annular connecting portion 1312, and the cylinder portion 211 of the valve body 210 is fixed to the first connecting band 400. The thickness of the connecting position of the first connecting belt 400 and the barrel 1311 is thick, so that the connecting position is not easy to break, and the service life is long. And the middle position of the first connecting strip 400 is thin, so that deformation is easy to occur, and the use is convenient. Further, the first connecting strip 400 is provided with a positioning hole 410, the positioning hole 410 is a through hole and penetrates through the first connecting strip 400 along the thickness direction of the first connecting strip 400, and the positioning hole 410 is used for the plugging member 300 to penetrate through.

In this embodiment, optionally, the blocking element 300 is provided as a hollow structure, the blocking element 300 may be a plastic member, and the blocking element 300 is connected to an end of the cylinder 1311 away from the annular connecting portion 1312 through a second connecting band 500. Specifically, the blocking piece 300 is a hollow structure with two open ends, the blocking piece 300 and the second connecting belt 500 can be integrally formed, the second connecting belt 500 seals one end of the blocking piece 300, the blocking piece 300 can be inserted into the tube portion 211, and the outer peripheral surface of the blocking piece 300 is hermetically connected with the inner tube wall of the tube portion 211, so that the tube cavity of the tube portion 211 is blocked.

Further, second connecting band 500 is a rubber band or a silicon band, second connecting band 500 is a strip-shaped band with a thin middle and thick two ends, and one end of second connecting band 500 is connected with one end of cylinder 1311 far away from ring-shaped connecting portion 1312. The thickness of the connecting position of the second connecting belt 500 and the barrel 1311 is thick, so that the connecting position is not easy to break, and the service life is long. And the middle part of the second connecting band 500 is thin, easy to deform and convenient to use. Optionally, the first connecting belt 400 and the second connecting belt 500 are arranged in a central symmetry manner, that is, the first connecting belt 400 and the second connecting belt 500 are arranged at equal intervals in the circumferential direction of the barrel 1311. Because the first connecting belt 400 and the second connecting belt 500 are both connected with one end of the barrel 1311 far away from the annular connecting part 1312, and one end of the barrel 1311 far away from the annular connecting part 1312 is spaced from the outward-folded edge 132, when the outward-folded edge 132 is connected with the inflatable body in a sealing manner, the first connecting belt 400 and the second connecting belt 500 do not interfere with each other, the first connecting belt 400 and the second connecting belt 500 do not affect the connection between the outward-folded edge 132 and the inflatable body, and when the first connecting belt 400 and the second connecting belt 500 are stressed, the outward-folded edge 132 and the inflatable body do not move relatively, so that the sealing performance of the connecting position of the outward-folded edge 132 and the inflatable body is ensured.

When the multifunctional air nozzle provided by the embodiment is used, the check valve 200 is firstly inserted into the first through hole 110, the tube part 211 of the check valve 200 is inserted into the first through hole 110, the outer tube wall of the tube part 211 is hermetically connected with the hole wall of the first through hole 110, and the outer tube wall of the tube part 211 is provided with the annular protrusion, the tube wall of the first through hole 110 is provided with the annular groove 1314, the annular protrusion is clamped with the annular groove 1314, so that the contact area is increased, and the sealing performance is improved. Then, the air pump is used to communicate with the one-way valve 200 for inflation, after the inflation is completed, the part of the second connecting band 500 is folded to communicate the positioning hole 410 with the channel 201 of the one-way valve 200, and then the plugging member 300 is inserted through the positioning hole 410 and inserted into the channel 201, thereby plugging the channel 201. As described above, the check valve 200 itself has a sealing function, the plug 300 also has a sealing function, double sealing is achieved, and the portion of the second connection band 500 is sandwiched between the first connection band 400 and the tube portion 211 of the check valve 200, and the second connection band 500 of this portion can be regarded as a seal ring, and sealing performance is further improved. In addition, since the part of the second connection band 500 is clamped between the tube part 211 and the first connection band 400, the plugging member 300 can be easily pulled out of the channel 201, and when the plugging member 300 is pulled out of the channel 201, the one-way valve 200 is not easy to be pulled out together due to over-force or improper operation, and the operation safety is improved.

The multi-functional tuyere that this embodiment provided, the leakproofness is good, uses safe and reliable.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-functional tuyere, characterized by comprising:

the base body is provided with a first through hole;

the one-way valve is provided with a one-way conduction channel, is movably connected with the base body and is provided with a first position and a second position which are mutually switched, and when the one-way valve is positioned at the first position, the one-way valve is inserted into the first through hole and is in sealing connection with the hole wall of the first through hole; when the valve is at the second position, the one-way valve is positioned outside the first through hole;

2. The multi-functional tuyere of claim 1, characterized in that:

the base body comprises a reinforcing member and a base which are integrally injected, and the hardness of the reinforcing member is greater than that of the base; the check valve and the plugging piece are movably connected with the base.

3. The multi-functional tuyere of claim 2, characterized in that:

the base comprises a body and an outward-turning edge which are connected, the outward-turning edge is arranged around the body, one end of the body protrudes out of the outward-turning edge along the extending direction of the first through hole, and the one-way valve and the plugging piece are connected with the part of the body protruding out of the outward-turning edge; the outward-folded edge is used for being connected with the inflatable product in a sealing mode.

4. The multi-functional tuyere of claim 1, characterized in that:

the one-way valve is movably connected with the base body through a first connecting belt, or the plugging piece is movably connected with the base body through a second connecting belt.

5. The multi-functional tuyere of claim 4, characterized in that:

the first connecting belt is provided with a positioning hole, and the plugging piece can penetrate through the positioning hole and then is connected with the channel so as to plug the channel.

6. The multi-functional tuyere of claim 5, characterized in that:

the check valve comprises a valve body and a valve plate, the valve body is connected with the first connecting belt, the channel is arranged on the valve body, the valve plate is connected with the valve body, and the valve plate is used for one-way plugging of the channel.

7. The multi-functional tuyere of claim 6, characterized in that:

the valve body comprises a cylinder part, a sealing part and a positioning part, two ends of the cylinder part are open, a second through hole is formed in the sealing part, the sealing part is arranged at one end of the cylinder part, and the second through hole is communicated with a cylinder cavity of the cylinder part to form the channel together; the positioning part is connected with the sealing part and is positioned in the barrel cavity;

the valve plate comprises a connecting column and a sealing body which are connected, the connecting column penetrates through the sealing part and is connected with the positioning part, and the sealing body is used for being attached to the end face, far away from the cylinder part, of the sealing part so as to seal the second through hole; the sealing body is also used for generating a gap with the end face of the sealing part far away from the cylinder part under the action of external force so as to conduct the channel.

8. The multi-functional tuyere of claim 4, characterized in that:

the first connecting belt or the second connecting belt is a strip-shaped belt with a thick middle part and thin two ends.

9. The multi-functional tuyere of claim 1, characterized in that:

the plug is adapted to be inserted into the channel to close the channel.

10. An inflatable product, comprising:

the multifunctional tuyere of any one of claims 1-9, and an inflatable body, wherein the base body is hermetically connected to the inflatable body, and the first through hole is used for communicating with an inflation chamber of the inflatable body.