Soft body chamber and sealing device

Abstract

The application discloses a sealing device of a soft oxygen cabin, which comprises an outer zipper arranged on the outer layer of the cabin body of the soft oxygen cabin, an inner zipper arranged on the inner layer of the soft oxygen cabin, and a zipper cloth belt. The outer zipper is a pressure-resistant zipper, and the inner zipper is a sealing zipper. The zipper opening and closing surfaces of the pressure-resistant zipper and the sealing zipper have an included angle. The zipper cloth belt comprises a third cloth belt, a fourth cloth belt and a fifth cloth belt which is bent and extended from the fourth cloth belt and is attached to the left and right side teeth of the sealing zipper. The belt edges of the third cloth belt and the fifth cloth belt are respectively sealed and connected to the two edges of the inner side of the outer zipper. The outer zipper, the third cloth belt, the sealing zipper, the fourth cloth belt and the fifth cloth belt form a closed cavity. The soft oxygen cabin and the sealing device have the characteristics of high reliability, good sealing performance, wide applicability and convenient use.

Description

Technical Field

[0001] This utility model relates to the field of soft oxygen chamber technology, specifically to a soft oxygen chamber and a sealing device. Background Technology

[0002] Currently, in the flexible micro-pressure oxygen chamber industry, a common sealing method involves two layers of ordinary zippers with a layer of soft sealing material in between. When the chamber is pressurized, the expansion of the chamber tightens the inner and outer zippers, clamping the soft sealing material in between, thus achieving a seal. This method has two drawbacks: firstly, it's inconvenient to use, as the soft sealing material needs to be flattened or unpacked each time the zippers are opened and closed; secondly, during the initial pressurization process, the two zippers cannot immediately clamp the soft sealing material, making air leakage easy. Another common sealing method involves two layers of zippers in the chamber body, with a watertight rubber-threaded zipper inside. The traditional watertight zipper uses an outer layer of ordinary zipper, with an inner zipper providing sealing and the outer zipper bearing pressure. This method has three drawbacks: First, in actual use, watertight zippers require significant pulling force to open and close, resulting in excessive resistance. Second, with repeated use, the sealing teeth develop increasingly larger gaps due to expansion and tension, shortening their lifespan. Third, the sealing structure is limited; when an S-shaped or U-shaped seal is required, the different curvature of the teeth on both sides due to the bends can lead to insufficient sealing. Therefore, a flexible oxygen chamber and its sealing device are urgently needed to solve these problems. Utility Model Content

[0003] In view of this, a soft oxygen chamber sealing device with high reliability, good sealing performance, wide applicability and easy use is provided.

[0004] A flexible oxygen chamber and a sealing device are disclosed. The sealing device includes an outer zipper installed on the chamber body of the flexible oxygen chamber, an inner zipper, and zipper tape. The outer zipper is disposed on the outside of the flexible oxygen chamber, and the inner zipper is disposed inside the flexible oxygen chamber. The outer zipper is a pressure-resistant zipper, and the inner zipper is a sealing zipper. The opening and closing surfaces of the pressure-resistant zipper and the sealing zipper have an angle. The zipper tape includes a third tape, a fourth tape, and a fifth tape that are attached to the sealing zipper and are bent and extended from the fourth tape. The edges of the third tape and the fifth tape are respectively sealed and connected to the two sides of the inner side of the pressure-resistant zipper. The pressure-resistant zipper, the third tape, the sealing zipper, the fourth tape, and the fifth tape form a sealed cavity.

[0005] Furthermore, the sealing zipper includes zipper teeth, a sealing left liner and a sealing right liner connected to the zipper teeth, and a soft sealant. The soft sealant is attached to the side of the zipper teeth facing the interior of the soft oxygen chamber. The soft sealant has two symmetrical sealing halves, namely a sealing left half and a sealing right half. The sealing left half and the sealing right half are respectively engaged with the sealing left liner and the sealing right liner. When the sealing zipper is closed, the sealing left half and the sealing right half are seamlessly closed or at least their edges overlap to make the sealing zipper airtight.

[0006] Furthermore, the pressure-resistant zipper includes at least two layers of zippers, and the sealing zipper is a single-layer zipper.

[0007] Furthermore, both the pressure-resistant zipper and the sealing zipper have double-pull-head structures, allowing both to be opened and closed from the inside or the outside.

[0008] Furthermore, the zipper opening and closing surface of the sealing zipper is located on the side closer to the fifth fabric strip, and the sealing surface of the sealing zipper is located on the side farther away from the fifth fabric strip.

[0009] Furthermore, the zipper tape also includes a first tape and a second tape attached to the pressure-resistant zipper. The first tape is sealed to the fifth tape, and the second tape is sealed to the third tape. Each tape of the zipper tape extends along the zipper length direction of the outer zipper and the inner zipper, respectively. The adjacent tapes of the zipper tape are joined or overlapped at the edges along the zipper length direction.

[0010] Furthermore, the outer zipper and the inner zipper extend in the same direction.

[0011] Furthermore, the outer zipper, inner zipper, and zipper tape form a continuous triangular cavity structure within the soft oxygen chamber. The two ends of the triangular cavity structure have end sealing fabrics, which are sealed to each tape of the zipper tape.

[0012] Furthermore, the outer zipper and the inner zipper have straight or curved shapes in their extension directions.

[0013] A soft oxygen chamber includes a soft chamber body, the soft chamber body having an inlet, and the inlet having a sealing device for the soft oxygen chamber.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects:

[0015] First, this sealing device has a sealed cavity. When the soft cabin is pressurized and expanded, the sealed cavity can convert part of the pressure on the sealing zipper into the stretching tension of the fabric tape, reducing the direct force on the sealing zipper teeth. Moreover, the main pressure of the cabin is borne by the pressure-resistant zipper, which is set with at least two layers of zipper structure, which strengthens the pressure resistance and significantly improves the reliability and service life of the sealing device.

[0016] Secondly, the zipper teeth of this type of sealing zipper are coated with soft sealant on the side facing the interior of the soft oxygen chamber. At the moment the zipper closes, the left and right sealing halves clamp and bond simultaneously to form a complete sealing surface. This solves the problem of easy air leakage in the traditional double-layer zipper structure with a sealing layer sandwiched in the middle during the initial pressurization stage of the chamber. It has good sealing performance, is convenient and quick to operate, and can ensure a fully sealed state at all times. In addition, since the sealing is done with soft sealant, rather than with traditional watertight rubber teeth, the sealing performance will not be insufficient due to the different curvature of the teeth on both sides caused by the turning of the rubber teeth. Furthermore, since the sealing zipper is set on the surface of the triangular cavity on the side closer to the interior of the chamber, even if the overall curvature of the outer zipper or the corresponding inner zipper is large, the soft sealant on the inner side of the inner zipper will not affect its sealing structure due to the extension of the bend line. Therefore, it is suitable for various irregular curve sealing scenarios and has wide applicability. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of a soft oxygen chamber with a straight zipper, according to an embodiment of the present invention, which includes a soft oxygen chamber and a sealing device.

[0018] Figure 2 This is a cross-sectional schematic diagram of a soft oxygen chamber and sealing device with a straight zipper according to an embodiment of the present invention.

[0019] Figure 3 yes Figure 2 A magnified view of part A in the diagram.

[0020] Figure 4 This is a three-dimensional schematic diagram of a soft oxygen chamber with a curved zipper, according to an embodiment of the present invention, and a sealing device.

[0021] Figure 5 This is a cross-sectional schematic diagram of a soft oxygen chamber and sealing device with a curved zipper according to an embodiment of the present invention.

[0022] In the picture,

[0023] 1. Soft cabin; 2. Entrance; 3. Pressure-resistant zipper; 4. Sealing zipper; 5. First fabric strip; 6. Second fabric strip; 7. Third fabric strip; 8. Fourth fabric strip; 9. Fifth fabric strip; 10. Sealing left lining strip; 11. Sealing right lining strip; 12. Sealing left half; 13. Sealing right half. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1 to 5 This illustration shows an embodiment of the present invention providing a soft oxygen chamber and a sealing device. The sealing device includes an outer zipper installed on the chamber body of the soft oxygen chamber, an inner zipper, and zipper tape. The outer zipper is disposed on the outside of the soft oxygen chamber, and the inner zipper is disposed inside the soft oxygen chamber. The outer zipper is a pressure-resistant zipper 3, and the inner zipper is a sealing zipper 4. The opening and closing surfaces of the pressure-resistant zipper 3 and the sealing zipper 4 have an angle. The zipper tape includes a third tape 7, a fourth tape 8, and a fifth tape 9 that are attached to the sealing zipper 4 and are bent and extended from the fourth tape 8. The edges of the third tape 7 and the fifth tape 9 are respectively sealed and connected to the two inner edges of the pressure-resistant zipper 3. The pressure-resistant zipper 3, the third tape 7, the sealing zipper 4, the fourth tape 8, and the fifth tape 9 form a sealed cavity.

[0026] Specifically, the sealing zipper 4 includes zipper teeth, a sealing left liner 10 and a sealing right liner 11 connected to the zipper teeth, and a soft sealant. The soft sealant is attached to the side of the zipper teeth facing the interior of the soft oxygen chamber. The soft sealant has two symmetrical sealing halves, namely a sealing left half 12 and a sealing right half 13. The sealing left half 12 and the sealing right half 13 are respectively connected to the sealing left liner 10 and the sealing right liner 11. When the sealing zipper 4 is closed, the sealing left half 12 and the sealing right half 13 are seamlessly closed or at least their edges overlap to make the sealing zipper 4 airtight.

[0027] In some specific embodiments, when the sealing zipper 4 is closed, the interlocking of the zipper teeth generates a lateral compressive force, forcing the left half 12 and the right half 13 of the seal to adhere tightly to form a sealing surface. When the sealing zipper 4 is opened, the interlocking state of the zipper teeth is released, the lateral compressive force borne by the soft sealant disappears, and the release of internal stress causes the adhesive surfaces of the left half 12 and the right half 13 of the seal to separate. More specifically, the soft sealant can be made of silicone rubber or TPU material.

[0028] Specifically, the pressure-resistant zipper 3 includes at least two layers of zippers, and the sealing zipper 4 is a single-layer zipper.

[0029] Specifically, both the pressure-resistant zipper 3 and the sealing zipper 4 have double-pull-head structures, which allow both the pressure-resistant zipper 3 and the sealing zipper 4 to be opened and closed from the inside or the outside.

[0030] Specifically, the zipper opening and closing surface of the sealing zipper 4 is located on the side closer to the fifth fabric tape 9, and the sealing surface of the sealing zipper 4 is located on the side away from the fifth fabric tape 9.

[0031] Specifically, the zipper tape further includes a first tape 5 and a second tape 6 attached to the pressure-resistant zipper 3. The first tape 5 is sealed to the fifth tape 9, and the second tape 6 is sealed to the third tape 7. More specifically, each tape is sealed by heat fusion or adhesive bonding. Each tape of the zipper tape extends along the zipper length direction of the outer zipper and the inner zipper, and each adjacent tape of the zipper tape is joined or overlapped at the edge along the zipper length direction.

[0032] Specifically, the outer zipper and the inner zipper extend in the same direction.

[0033] Specifically, the outer zipper, inner zipper, and zipper tape form a continuous triangular cavity structure within the soft oxygen chamber. Each of the triangular cavity structure has end-sealing fabrics at both ends, which are sealed to each tape of the zipper tape. Alternatively, in some embodiments, the third tape 7, fourth tape 8, and fifth tape 9 are made with tightening structures at both ends, directly sealing the ends of the enclosed cavity with these three tapes, thus eliminating the need for separate end-sealing fabrics.

[0034] In some specific embodiments, the triangular space of the cavity allows the fabric to undergo elastic deformation when pressurized, absorbing the mechanical impact caused by pressure fluctuations and avoiding stress concentration. Furthermore, the cavity structure separates the pressure-resistant zipper 3 and the sealing zipper 4, preventing friction damage between the sealing zipper 4 and the pressure-resistant zipper 3 when the cabin is pressurized.

[0035] Specifically, the outer and inner zippers are straight or curved in their extension direction, with the curved shape including irregular curves such as C-shape, S-shape, and U-shape. When the outer zipper's overall direction is curved, for example... Figure 4 When a U-shape is shown, if the flexible sealant is directly applied to the inner side of the pressure-resistant zipper 3, the sealant is prone to warping or deformation at the bend, especially at points with a large curvature, leading to poor sealing or even failure. However, in this embodiment, as shown... Figure 2 and Figure 5As shown, since the sealing zipper 4 is located on the inner side of the triangular cavity, even if the overall curvature of the outer zipper or the corresponding inner zipper is large, the soft sealant located on the inner side of the inner zipper will not affect its sealing structure due to the extension of the bend. Therefore, the sealing device in this embodiment is suitable for various irregular curve sealing scenarios and has wide applicability.

[0036] A soft oxygen chamber includes a soft chamber body 1, the soft chamber body 1 having an inlet 2, and the inlet 2 having the aforementioned sealing device for the soft oxygen chamber.

[0037] In summary, this sealing device, with its enclosed cavity, can convert part of the pressure on the sealing zipper 4 into the stretching tension of the fabric tape when the soft chamber 1 is pressurized and expanded. This reduces the direct stress on the zipper teeth. Furthermore, the main pressure of the chamber is borne by the pressure-resistant zipper 3, which has at least two layers, enhancing its pressure resistance and significantly improving the reliability and service life of the sealing device. The zipper teeth of this sealing zipper 4 have a soft sealant applied to the side facing the interior of the soft oxygen chamber. At the moment the zipper closes, the left and right sealing halves 12 and 13 simultaneously clamp and bond to form a complete sealing surface, solving the problem of traditional double-layer sealing. The zipper with a central sealing layer addresses the issue of air leakage during the initial pressurization phase of the cabin. It offers excellent sealing performance, is easy and quick to operate, and ensures a completely sealed state at all times. Furthermore, since it uses a soft sealant instead of traditional watertight rubber seals, it avoids insufficient sealing due to uneven tooth curvature caused by tooth bends. Moreover, because the sealing zipper 4 is located on the inner side of the triangular cavity, even if the overall curvature of the outer or corresponding inner zipper is significant, the soft sealant on the inner side of the inner zipper will not be affected by the extension of the bend line, thus making it suitable for various irregular curve sealing scenarios and widely applicable.

[0038] It should be noted that this utility model is not limited to the above-described embodiments. Based on the inventive spirit of this utility model, those skilled in the art can make other changes, and these changes made based on the inventive spirit of this utility model should be included within the scope of protection claimed by this utility model.

Claims

1. A sealing device for a soft suit habitat comprising a zipper attached to an outer layer of a habitat body of the soft suit habitat, characterized in that, It also includes an inner zipper and zipper tape. The outer zipper is located on the outside of the soft oxygen chamber, and the inner zipper is located inside the soft oxygen chamber. The outer zipper is a pressure-resistant zipper, and the inner zipper is a sealing zipper. The opening and closing surfaces of the pressure-resistant zipper and the sealing zipper have an angle. The zipper tape includes a third tape, a fourth tape, and a fifth tape that are attached to the sealing zipper and are bent and extended from the fourth tape. The edges of the third tape and the fifth tape are respectively sealed and connected to the two sides of the inner side of the pressure-resistant zipper. The pressure-resistant zipper, the third tape, the sealing zipper, the fourth tape, and the fifth tape form a sealed cavity.

2. A soft body chamber sealing device as claimed in claim 1, characterized in that The sealing zipper includes zipper teeth, a sealing left liner and a sealing right liner connected to the zipper teeth, and a soft sealant. The soft sealant is attached to the side of the zipper teeth facing the interior of the soft oxygen chamber. The soft sealant has two symmetrical sealing halves, namely a sealing left half and a sealing right half. The sealing left half and the sealing right half are respectively engaged with the sealing left liner and the sealing right liner. When the sealing zipper is closed, the sealing left half and the sealing right half are seamlessly closed or at least their edges overlap to make the sealing zipper airtight.

3. A soft body chamber sealing device as claimed in claim 1, wherein, The pressure-resistant zipper includes at least two layers of zippers, and the sealing zipper is a single-layer zipper.

4. The soft body chamber sealing apparatus of claim 1, wherein, Both the pressure-resistant zipper and the sealing zipper have double-pull heads, allowing them to be opened or closed from either the inside or the outside.

5. A soft body chamber sealing apparatus as claimed in claim 1, wherein, The zipper opening surface of the sealing zipper is located on the side closer to the fifth fabric strip, and the sealing surface of the sealing zipper is located on the side farther away from the fifth fabric strip.

6. A soft body chamber sealing apparatus as claimed in claim 1, wherein, The zipper tape also includes a first tape and a second tape attached to the pressure-resistant zipper. The first tape is sealed to the fifth tape, and the second tape is sealed to the third tape. Each tape of the zipper tape extends along the zipper length direction of the outer zipper and the inner zipper, respectively. Adjacent tapes of the zipper tape are joined or overlapped at the edges along the zipper length direction.

7. A soft body chamber sealing apparatus as claimed in claim 1, wherein, The outer and inner zippers extend in the same direction.

8. A soft body chamber sealing apparatus as claimed in claim 1, wherein, The outer zipper, inner zipper, and zipper tape form a continuous triangular cavity structure within the soft oxygen chamber. The two ends of the triangular cavity structure have end sealing fabrics, which are sealed to each tape of the zipper tape.

9. The sealing device for a soft oxygen chamber as described in claim 1, characterized in that, The outer zipper and the inner zipper extend in a straight line or a curve.

10. A soft oxygen chamber, comprising a soft chamber body, wherein the soft chamber body is provided with an inlet, characterized in that, The inlet is equipped with a sealing device for the soft oxygen chamber as described in any one of claims 1 to 9.

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