CN211166563U

CN211166563U - Flexible air bag

Info

Publication number: CN211166563U
Application number: CN201921871875.3U
Authority: CN
Inventors: 鲁亚萍; 邵旭平
Original assignee: Mengyue Comfort Technology Shanghai Co ltd
Current assignee: Mengyue Comfort Technology Shanghai Co ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-08-04
Anticipated expiration: 2029-11-02

Abstract

The utility model discloses a flexible air bag, which comprises a ventilation pipe and a ventilation bag, wherein the upper end of the ventilation pipe of the flexible air bag is communicated to the lower surface of the ventilation bag of the flexible air bag, and the ventilation pipe of the flexible air bag is a telescopic pipe; the flexible air bag ventilation bag comprises a bottom layer, a top layer and a multi-channel internal ventilation body, wherein the outer edges of the bottom layer and the top layer of the flexible air bag are connected, a ventilation cavity is formed between the bottom layer and the top layer of the flexible air bag, the multi-channel internal ventilation body of the flexible air bag is filled in the ventilation cavity formed by butt joint of the bottom layer and the top layer of the flexible air bag, an upper ventilation hole is formed in the top layer of the flexible air bag, a ventilation connection hole is formed in the center of the bottom layer of the flexible air bag, and the upper end of the ventilation pipe of the flexible. The flexible air bag is simple, good in ventilation effect, convenient to install, low in cost, suitable for batch production and capable of being used in sofas, mattresses, automobiles and other occasions.

Description

Flexible air bag

Technical Field

The utility model relates to a ventilation field especially relates to a flexible air bag.

Background

Along with the continuous improvement of the quality of life of people, the requirement on the riding comfort of the automobile is higher and higher, wherein the ventilation performance of the automobile seat is an important factor influencing the comfort of the automobile seat. Although the automatic air conditioner can keep the constant temperature in the vehicle in summer, the body of a passenger is in close contact with the seat, air at the contact part is not circulated, sweat is not discharged conveniently, and people feel very uncomfortable. The ventilation circulation system unique to the seat ventilation continuously enables fresh air to flow out from the small holes in the seat cushion and the backrest, prevents the accumulated sweat of the buttocks and the back, provides a comfortable riding environment, effectively improves the ventilation environment of the contact part of a human body and a seat surface, and enables the body to be dry and comfortable on the contact surface of the seat even if the seat is taken for a long time.

A method for arranging the ventilating units of seat features that a concave fan frame region is arranged in the sponge cushion of seat, and several axial fans are arranged in it for ventilating it, so the sponge cushion of seat can be damaged greatly and the air channels with certain depth are arranged on the cushion and back cushion of seat.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a flexible air bag which can solve the problem of difficult ventilation of a spring bag of a sofa seat.

The purpose of the utility model is realized by adopting the following technical scheme:

a flexible air bag comprises a ventilation pipe and a ventilation bag, wherein the upper end of the ventilation pipe is communicated to the lower surface of the ventilation bag, and the ventilation pipe is a telescopic pipe; the ventilation package includes bottom, top layer and the interior body that ventilates of multichannel, the outer border of bottom and top layer is connected and is formed the ventilation chamber between the two, the body that ventilates in the multichannel is filled by in the ventilation chamber that bottom and top layer butt joint formed set up the ventilation hole on the top layer set up the ventilation connecting hole in the center of bottom, the upper end of ventilation pipe is connected to the ventilation connecting hole.

Preferably, the vent tube comprises a corrugated tube body and an end connection disc connected to the base layer at the vent connection aperture.

Preferably, the vent pipe is integrally formed by flexible or elastic materials.

Preferably, the bottom layer and the top layer of the ventilation bag are both flexible thin film layers, the bottom layer is made of a TPU film, and the top layer is made of non-woven fabrics.

Preferably, the multi-channel internal ventilation body is of a three-dimensional warp and weft woven mesh structure, and air flow is enabled to circulate between the upper ventilation hole and the ventilation connection hole through regular or irregular ventilation channels or ventilation meshes of the three-dimensional warp and weft woven mesh structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) the flexible air bag has simple structure, is suitable for batch production and has low cost;

2) wide application range, and can be widely used for ventilation of automobile seats, sofas, beds and the like

2) The installation is convenient, and the time and the labor are saved;

3) the ventilation pipe is flexible, so that the universality is strong;

4) the inner layer of the ventilation bag is a soft three-dimensional warp-weft mesh grid, so that ventilation is uniform, and ventilation at any position can be realized;

5) the ventilation pipe and the ventilation bag are combined into a whole, so that the installation is convenient and rapid, and the time and the labor are saved.

Drawings

Fig. 1 is a schematic perspective view of a flexible air bag according to the present invention;

FIG. 2 is a schematic drawing of the suction of the flexible air bladder;

FIG. 3 is a schematic view of the air outlet of the flexible air bag;

FIG. 4 is a schematic structural view of a ventilation bag;

FIG. 5 is a bottom view of the ventilation bag;

FIG. 6 is a top view of the aeration kit;

FIG. 7 is a cross-sectional view taken at A-A in FIG. 6;

FIG. 8 is a cross-sectional view taken at B-B of FIG. 6;

fig. 9 is a schematic view of the structure of the vent tube.

In the figure: 1. a ventilation bag; 2. a vent pipe; 21. a corrugated pipe body; 22. an end connecting disc; 11. a bottom layer; 12. a top layer; 13. a multi-channel internal ventilation body; 14. an upper vent; 15. a ventilation connection hole; 16. leveling the top layer; 17. a side layer; 18. a horizontal air duct; 19. a vertical air duct; 20. and (4) a side road.

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 accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, a flexible air bag comprises a ventilation bag 1 and a ventilation pipe 2, wherein the upper end of the ventilation pipe 2 is communicated to the lower surface of the ventilation bag 1, and the ventilation pipe 2 is a telescopic pipe or an elastic pipe.

The ventilation bag 1 comprises a bottom layer 11, a top layer 12 and a multi-channel inner ventilation body 13, wherein the outer edges of the bottom layer 11 and the top layer 12 are connected, a ventilation cavity is formed between the bottom layer 11 and the top layer 12, the multi-channel inner ventilation body 13 is filled in the ventilation cavity formed by butt joint of the bottom layer 11 and the top layer 12, an upper ventilation hole 14 is formed in the top layer 12, a ventilation connection hole 15 is formed in the center of the bottom layer 11, and the upper end of the ventilation pipe 2 is connected to the ventilation connection hole 15. The upper end of the ventilation pipe 2 is connected to the ventilation connection hole 15.

Wherein the vent tube 2 includes a corrugated tube body 21 and an end connection disc 22, the end connection disc 22 being connected to the bottom layer 11 at the vent connection hole 15. The ventilation pipe 2 is integrally formed by flexible or elastic materials. In one embodiment, the vent tube 2 is a flexible or resilient rubber tube.

In one embodiment, the bottom layer 11 and the top layer 12 of the ventilation bag 1 are both flexible film layers, the bottom layer 11 is made of TPU film, and the top layer 12 is made of non-woven fabric. Alternatively, the flexible film layers may all be TPU films, or may be other similar flexible plastic films.

For the multi-channel internal ventilation body 13, a three-dimensional warp and weft knitted net structure is adopted, and air flow is enabled to circulate between the upper ventilation hole 14 and the ventilation connection hole 15 through regular or irregular ventilation channels or ventilation net holes of the three-dimensional warp and weft knitted net structure.

In one embodiment, the three-dimensional warp and weft woven mesh structure comprises an outer mesh, a middle layer and an inner mesh, wherein the meshes of the outer mesh and the inner mesh are the same or different, the middle layer adopts a fine silk floss structure, and the gaps of the silk floss are smaller than the meshes of the outer mesh and the inner mesh. In another embodiment, the three-dimensional warp and weft knitted mesh structure may be a two-layer mesh structure.

In another embodiment, the top layer 12 comprises a flat top layer 16 and side layers 17 integrally formed around the periphery of the flat top layer 16. Further, the flat top layer 16 and the side layer 17 are made of flexible plastic films. The bottom layer 11 and the top layer 12 follow the contour of the multi-channel inner vent body 13.

Alternatively, the bottom layer 11 and the top layer 12 are elastic plate structures, the flat top layer 16 and the side layer 17 of the top layer 12 are integrally formed into a cover-shaped structure, the outer edge of the side layer of the top layer of the cover-shaped structure is buckled with the periphery of the bottom layer 11 and is connected in a bonding or welding mode, a ventilation cavity is formed, and the multi-channel inner ventilation body 13 is accommodated in the ventilation cavity.

Alternatively, the bottom layer 12 is made of an elastic plate structure, and the top layer 12 composed of the flat top layer 16 and the side layers 17 is made of a flexible plastic film as a whole, and the multi-channel inner ventilation body 13 can be coated on the plate body of the bottom layer 12 in any shape.

Referring to fig. 9, the vent tube 2 includes a bellows body 21 and an end connection plate 22. In one embodiment, the ventilation connecting hole 15 is a stepped hole, the outer diameter of the stepped hole is matched with the outer diameter of the end connecting disc 22, and the ventilation pipe 2 is in interference fit with the ventilation connecting hole 15 of the ventilation bag 1 and is in sealing connection by using glue or adhesive tape.

In one embodiment, the ventilation bag 1 is a square or a circular cross-section, preferably a square.

In one embodiment, referring to fig. 6-8, the multi-channel inner vent body 13 is a three-dimensional mesh grid. A plurality of horizontal air channels 18, vertical air channels 19 and side air channels 20 are formed in the multi-channel inner air body 13, the vertical air channels 19 penetrate through the horizontal air channels 18, and two ends of each horizontal air channel 18 are communicated with the side air channels 20.

The cross-sectional area relations of the upper vent hole 14, the vent connecting hole 15, the horizontal ventilating duct 18, the vertical ventilating duct 19 and the side duct 20 are that the vent connecting hole 15 is larger than the upper vent hole 14, and the cross-sectional area relations of the horizontal ventilating duct 18 are larger than or equal to the side duct 20 and larger than the vertical ventilating duct 19.

In one embodiment, the bottom layer 11, the top layer 12 and the multi-channel inner ventilation body 13 are integrally formed by injection molding, a three-dimensional warp-weft mesh material and the like are adopted, a layer of non-woven fabric or plastic film is arranged on the outer layer of the top layer 12, and air holes are reserved on the non-woven fabric or plastic film and are matched with the upper ventilation holes 14 for blowing or sucking air.

In another embodiment, the bottom layer 11, the top layer 12 and the multi-channel inner ventilation body 13 are separately connected, the outer wall surface of the multi-channel inner ventilation body 13 is supported by the bottom layer 11 and the top layer 12 through a supporting leg or a sliding groove bump mechanism, and a ventilation gap is formed between the multi-channel inner ventilation body 13 and the bottom layer 11 and the top layer 12, and the width of the ventilation gap is less than or equal to the aperture of the vertical ventilation channel 19.

In another embodiment, the multi-channel inner ventilation body 13 is a three-dimensional warp-weft-knitted net-shaped woven structure, and multi-channel ventilation channels which are irregularly communicated are formed, so that the upper ventilation holes 14 are communicated with the ventilation connecting holes 15.

The ventilation bag 1 and the ventilation pipe 2 are integrally formed, or are bonded after being arranged in a split mode and in interference fit in the mode.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A flexible air bag comprises a ventilation pipe (2) and a ventilation bag (1), wherein the upper end of the ventilation pipe (2) is communicated to the lower surface of the ventilation bag (1), and the flexible air bag is characterized in that: the ventilation pipe (2) is a telescopic pipe; ventilation body (13) in bottom (11), top layer (12) and the multichannel are drawn together to ventilation package (1), the outer border of bottom (11) and top layer (12) is connected and is formed the ventilation chamber between the two, ventilation body (13) are filled by in the multichannel in bottom (11) and the ventilation chamber that top layer (12) butt joint formed set up ventilation hole (14) on top layer (12) set up ventilation hole (15) in the central authorities of bottom (11), the upper end of ventilation pipe (2) is connected to ventilation connecting hole (15).

2. The flexible air bag according to claim 1, wherein: the vent pipe (2) includes a corrugated pipe body (21) and an end connection disc (22), the end connection disc (22) being connected to the bottom layer (11) at the vent connection hole (15).

3. The flexible air bag according to claim 2, wherein: the ventilation pipe (2) is integrally formed by adopting a flexible or elastic material.

4. The flexible air bag according to claim 1, wherein: bottom layer (11) and top layer (12) of ventilative package (1) are flexible thin film layer, just bottom layer (11) adopt the TPU membrane, top layer (12) adopt the non-woven fabrics to make.

5. The flexible air bag according to claim 1 or 4, wherein: the multi-channel internal ventilation body (13) is of a three-dimensional warp and weft woven mesh structure, and air flow circulates between the upper ventilation hole (14) and the ventilation connecting hole (15) through regular or irregular ventilation channels or ventilation meshes of the three-dimensional warp and weft woven mesh structure.