Pulling belt of inflatable product, its manufacturing method, inflatable product and its manufacturing method

Abstract

The present invention discloses a drawstring for an inflatable product and an inflatable product. The drawstring includes a base portion and a plurality of protruding portions, the base portion and the plurality of protruding portions are integrally provided, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals. The inflatable product includes an inflatable chamber, the inflatable chamber includes a first inflatable chamber wall, a second inflatable chamber wall, and at least one inner cavity drawstring, and the inner cavity drawstring includes a drawstring having a base portion and a plurality of protruding portions. The present invention also discloses a manufacturing method of an inflatable product and a manufacturing method of a drawstring. Since the drawstring is obtained by means of cross-cutting, the drawstring material can be effectively utilized during the manufacturing process, and the manufacturing method of the drawstring further includes combining the obtained drawstrings into a straight drawstring or a Y-shaped drawstring.

Description

Technical Field

[0001] The present invention relates to a drawstring for an inflatable product and a manufacturing method thereof, and also relates to an inflatable product and a manufacturing method thereof. Background Art

[0002] Due to their light weight, easy storage, and easy carrying characteristics, inflatable products are widely used in outdoor products, water products, or household products, such as inflatable pools, inflatable floating rafts, inflatable mattresses, etc.

[0003] In an inflatable product, a drawstring is usually used to connect the cavity walls of the inflatable product so that the inflatable product forms a predetermined shape after inflation. As Figure 1 shown, the drawstring 111 in the existing inflatable product is generally a complete sheet. One side of the drawstring 111 is connected to the upper inflatable cavity wall of the mattress, and the other side of the drawstring 111 is connected to the lower inflatable cavity wall of the mattress. After the mattress is inflated, the tension of the drawstring on the upper and lower inflatable cavity walls of the mattress causes the entire inflatable cavity to form the shape of the mattress. This process usually consumes a lot of drawstring materials. In order to save drawstring materials or form a certain fixed pattern, as Figure 2 shown, sometimes a plurality of holes are dug in the middle part of the drawstring 112, but the remaining materials dug out are difficult to recycle, resulting in waste of resources and increased manufacturing costs. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects existing in the above-mentioned prior art, and provides a drawstring for an inflatable product and a manufacturing method thereof, and also provides an inflatable product and a manufacturing method thereof.

[0005] According to one aspect of the present invention, there is provided a drawstring for an inflatable product, including a base portion and a plurality of protruding portions. The base portion and the plurality of protruding portions are integrally provided, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals.

[0006] According to an optional embodiment of the present invention, the plurality of protruding portions are evenly spaced, and grooves are formed between adjacent protruding portions.

[0007] According to an optional embodiment of the present invention, the plurality of protruding portions have the same shape.

[0008] According to an optional embodiment of the present invention, the protruding portion includes an end close to the base portion and an end far from the base portion, and the width of the protruding portion tapers, expands, first tapers and then expands, first expands and then tapers, or remains unchanged in the direction from the end close to the base portion to the end far from the base portion.

[0009] According to an optional embodiment of the present invention, the protruding portion is a rectangle, a square, a trapezoid, a wavy shape, a trapezoid with an inwardly concave side, a trapezoid with an outwardly convex side, or a rectangle with an inwardly concave side.

[0010] According to another aspect of the present invention, there is provided an inflatable product including an inflatable chamber, the inflatable chamber comprising: a first inflatable chamber wall and a second inflatable chamber wall, the second inflatable chamber wall being disposed opposite to the first inflatable chamber wall; the inflatable chamber further includes at least one inner cavity strap, the inner cavity strap being the strap of the aforementioned inflatable product, the inner cavity strap including a base portion and a plurality of protruding portions, the base portion of the inner cavity strap connecting the first inflatable chamber wall, and the plurality of protruding portions of the inner cavity strap connecting the second inflatable chamber wall.

[0011] According to another aspect of the present invention, there is provided an inflatable product including an inflatable chamber, the inflatable chamber comprising: a first inflatable chamber wall and a second inflatable chamber wall, the second inflatable chamber wall being disposed opposite to the first inflatable chamber wall; the inflatable chamber further includes at least one connecting strap and at least one inner cavity strap, the inner cavity strap being the strap of the aforementioned inflatable product, the inner cavity strap including a base portion and a plurality of protruding portions, the base portion of the inner cavity strap connecting the first inflatable chamber wall, the plurality of protruding portions of the inner cavity strap connecting the connecting strap, and the connecting strap connecting the second inflatable chamber wall.

[0012] According to another aspect of the present invention, there is provided an inflatable product including an inflatable chamber, the inflatable chamber comprising: a first inflatable chamber wall and a second inflatable chamber wall, the second inflatable chamber wall being disposed opposite to the first inflatable chamber wall; the inflatable chamber further includes at least one inner cavity strap, the inner cavity strap including a first strap assembly and a second strap assembly, the first strap assembly and the second strap assembly being the straps of the aforementioned inflatable product, the first strap assembly and the second strap assembly each including a base portion and a plurality of protruding portions, the plurality of protruding portions of the first strap assembly and the plurality of protruding portions of the second strap assembly being connected in sequence, the base portion of the first strap assembly connecting the first inflatable chamber wall, and the base portion of the second strap assembly connecting the second inflatable chamber wall.

[0013] According to another aspect of the present invention, there is provided an inflatable product, including an inflatable chamber, the inflatable chamber comprising: a first inflatable chamber wall, a second inflatable chamber wall, the second inflatable chamber wall being disposed opposite to the first inflatable chamber wall; the inflatable chamber further comprising at least one inner cavity strap, the inner cavity strap comprising a first strap assembly, a second strap assembly and a third strap assembly, the first strap assembly, the second strap assembly and the third strap assembly being straps of the aforementioned inflatable product, the first strap assembly, the second strap assembly and the third strap assembly each comprising a base portion and a plurality of protruding portions, the base portion and the plurality of protruding portions being integrally provided and forming a preset height, the plurality of protruding portions of the first strap assembly, the second strap assembly and the third strap assembly being connected to each other in sequence, the base portion of the first strap assembly being connected to the first inflatable chamber wall, and the base portions of the second strap assembly and the third strap assembly being connected to the second inflatable chamber wall.

[0014] According to an alternative embodiment of the present invention, the preset height of the first strap assembly is greater than the preset heights of the second strap assembly and the third strap assembly.

[0015] According to an alternative embodiment of the present invention, the base portions are all connected to the first inflatable chamber wall or the second inflatable chamber wall. The base portions include the base portions of the aforementioned inner cavity strap, the base portions of the first strap assembly and the second strap assembly included in the inner cavity strap, and the base portions of the first strap assembly, the second strap assembly and the third strap assembly included in the inner cavity strap.

[0016] According to an alternative embodiment of the present invention, the base portions are partially connected to the first inflatable chamber wall or the second inflatable chamber wall. The base portions include the base portions of the aforementioned inner cavity strap, the base portions of the first strap assembly and the second strap assembly included in the inner cavity strap, and the base portions of the first strap assembly, the second strap assembly and the third strap assembly included in the inner cavity strap.

[0017] According to an alternative embodiment of the present invention, the connecting strap is wholly or partially connected to the second inflatable chamber wall.

[0018] According to an alternative embodiment of the present invention, the connection between the inner cavity strap and the first inflatable chamber wall and / or the second inflatable chamber wall, and / or between the plurality of protruding portions of the inner cavity strap is a fusion bond or an adhesive bond.

[0019] According to an alternative embodiment of the present invention, the inflatable product is an inflatable mattress, an inflatable pool or an inflatable water product.

[0020] According to another aspect of the present invention, there is provided a manufacturing method of an inflatable product, comprising:

[0021] Step 1: Provide a whole piece of strap material;

[0022] Step 2: Perform multiple stamping and cutting operations on the entire strip of strap material, where each stamping and cutting operation forms at least two straps, and each strap includes a base portion and a plurality of protruding portions, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals;

[0023] Step 3: Connect the base portion of each strap to the first inflatable cavity wall of the inflatable product, and connect the ends of the plurality of protruding portions of each strap that are away from the base portion to the second inflatable cavity wall of the inflatable product.

[0024] According to another aspect of the present invention, there is provided a method for manufacturing an inflatable product, comprising:

[0025] Step 1: Provide an entire strip of strap material;

[0026] Step 2: Perform multiple stamping and cutting operations on the entire strip of strap material, where each stamping and cutting operation forms at least two straps, and each strap includes a base portion and a plurality of protruding portions, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals;

[0027] Step 3: Provide a connecting strap, and connect the connecting strap to the ends of the plurality of protruding portions of each of the straps;

[0028] Step 4: Connect the base portion of each strap to the first inflatable cavity wall of the inflatable product, and connect the connecting strap to the second inflatable cavity wall of the inflatable product.

[0029] According to another aspect of the present invention, there is provided a method for manufacturing an inflatable product, comprising:

[0030] Step 1: Provide an entire strip of strap material;

[0031] Step 2: Process the entire strip of strap material to form at least two straps, and each strap includes a base portion and a plurality of protruding portions, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals;

[0032] Step 3: Select two straps obtained from the above steps, and connect the ends of the protruding portions of one strap that are away from the base portion to the ends of the protruding portions of the other strap that are away from the base portion to obtain a complete strap;

[0033] Step 4: Connect one base portion of the complete strap to the first inflatable cavity wall of the inflatable product, and connect the other base portion of the complete strap to the second inflatable cavity wall of the inflatable product.

[0034] According to an alternative embodiment of the present invention, the method for processing the entire strip of strap material includes: stamping and cutting or thermal cutting.

[0035] According to another aspect of the present invention, there is provided a method for manufacturing an inflatable product, comprising:

[0036] Step 1: Provide a whole piece of drawstring material;

[0037] Step 2: Perform multiple stamping and cutting operations on the whole piece of drawstring material, wherein each stamping and cutting operation forms at least two drawstrings, and each drawstring includes a base portion and a plurality of protruding portions, and at least a part of the plurality of protruding portions extend forward from the same side of the base portion at intervals;

[0038] Step 3: Select three drawstrings obtained from the above steps, namely a first drawstring, a second drawstring, and a third drawstring, and connect the end portions of the protruding portions of the first drawstring that are away from the base portion to the end portions of the protruding portions of the second drawstring that are away from the base portion and the end portions of the protruding portions of the third drawstring that are away from the base portion;

[0039] Step 4: Connect the base portion of the first drawstring to the first inflatable cavity wall of the inflatable product, and connect the base portions of the second drawstring and the third drawstring to the second inflatable cavity wall of the inflatable product.

[0040] Those skilled in the art should understand that the foregoing method for manufacturing an inflatable product includes a method for manufacturing the drawstring of the inflatable product. Therefore, according to another aspect of the present invention, there is provided a method for manufacturing the drawstring of an inflatable product.

[0041] The drawstring disclosed by the above technical solution is made by means of pair cutting. A material of the size of a traditional drawstring can be cut into two drawstrings and used as two drawstrings, thus saving the material cost of the drawstring. On the basis of meeting the constraints on the inflatable product, the drawstring of the present invention has the advantages of light weight and low cost. Moreover, the drawstrings after stamping and cutting can be combined and connected with each other or combined and connected with a connecting band, thereby providing various types of drawstrings. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Other features and advantages of the present invention will be better understood from the following preferred embodiments described in detail in conjunction with the accompanying drawings, in which the same reference numerals represent the same or similar components, wherein:

[0043] Figure 1 is a schematic diagram of a straight drawstring in the prior art;

[0044] Figure 2 is a schematic diagram of a variant of a straight drawstring in the prior art;

[0045] Figure 3 is a schematic diagram of the drawstring of an inflatable product according to an embodiment of the present invention;

[0046] Figures 4a - 4b is a schematic diagram of an inflatable product according to an embodiment of the present invention;

[0047] Figures 5a - 5b Schematic diagram of another inflatable product according to an embodiment of the present invention;

[0048] Figure 6a 、 Figure 6c Schematic diagram of yet another inflatable product according to an embodiment of the present invention, Figure 6b is Figure 6a partial enlarged view of;

[0049] Figure 7a Schematic diagram of yet another inflatable product according to an embodiment of the present invention, Figure 7b is Figure 7a partial enlarged view of;

[0050] Figure 8 Schematic diagram of the application of a drawstring to an inflatable product according to an embodiment of the present invention;

[0051] Figures 9a - 9d Schematic diagram of the drawstring obtained according to an embodiment of the present invention;

[0052] Figures 10a - 10d Schematic diagram of the manufacturing method of an inflatable product according to an embodiment of the present invention;

[0053] Figures 11a - 11d Schematic diagram of the drawstring obtained according to an embodiment of the present invention;

[0054] Figure 12 Schematic diagram of the use of the drawstring obtained according to an embodiment of the present invention. Specific Embodiments

[0055] To make the objectives, 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. Apparently, the described embodiments are only a part rather than all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the scope of protection of the present invention.

[0056] In this specification, the terms "first", "second", "third" cannot be used to define the order of precedence and the number of components unless otherwise specified.

[0057] In an exemplary embodiment, as Figure 3 shown, the drawstring 1 includes a base portion 11 and a plurality of protrusions 12, wherein the base portion 11 and the plurality of protrusions 12 are integrally provided, and at least a part of the plurality of protrusions 12 extend forward from the same side of the base portion 11 at intervals.

[0058] AsFigure 3 As shown, a plurality of protrusions 12 are evenly spaced, grooves are formed between adjacent protrusions 12, and the plurality of protrusions 12 have the same shape. Optionally, in some embodiments, the shapes of the plurality of protrusions 12 are different and their spacing may also be uneven.

[0059] In the present exemplary embodiment, the protrusion 12 is a rectangle with concave sides, and the protrusion 12 includes one end close to the base 11 and the other end far from the base 11. Optionally, the protrusion 12 has other shapes, and the width of the protrusion 12 tapers, expands, first tapers and then expands, first expands and then tapers, or remains unchanged in the direction from the end close to the base 11 to the end far from the base 11, such as Figure 9c 、 Figure 11b is a tapered trapezoid, Figure 9d is a tapered wavy shape, Figure 9a is a rectangle with concave sides that first tapers and then expands, Figure 11a is a tapered trapezoid with concave sides, Figure 11c is a trapezoid with convex sides that first expands and then tapers, Figure 9b 、 Figure 11d is a rectangle with a constant width.

[0060] Figures 4a - 4b is a schematic view of an inflatable product according to an embodiment of the present invention. As Figures 4a - 4b shown, the first inflatable mattress 2 includes an inflatable chamber, the inflatable chamber includes a first upper inflatable chamber wall 21 and a first lower inflatable chamber wall 22 arranged opposite to each other, the inflatable chamber further includes a plurality of inner cavity straps 23, the inner cavity straps 23 include a base 231 and a plurality of protrusions 232, the base 231 and the plurality of protrusions 232 are integrally provided, at least a part of the plurality of protrusions 232 extend forward from the same side of the base 231 at intervals, wherein, the base 231 of the inner cavity strap 23 is connected to the first upper inflatable chamber wall 21, and the ends of the plurality of protrusions 232 of the inner cavity strap 23 are connected to the first lower inflatable chamber wall 22. As Figure 4a shown, the entire base 231 of the inner cavity strap 23 is connected to the first upper inflatable chamber wall 21, while in Figure 4b , a part of the base 231 of the inner cavity strap 23 is connected to the first upper inflatable chamber wall 21, Figure 4a Compared with Figure 4b the different connection methods can result in different appearances of the inflatable mattress in the inflated state.

[0061] Figures 5a - 5b is a schematic view of another inflatable product according to an embodiment of the present invention. As Figures 5a - 5bAs shown, the inflatable pool 3 includes an inflatable chamber. The inflatable chamber includes an outer inflatable chamber wall 31 and an inner inflatable chamber wall 32 which are oppositely arranged. The inflatable chamber further includes at least one inner chamber strap 33. The inner chamber strap 33 includes a base 331 and a plurality of protrusions 332. The base 331 and the plurality of protrusions 332 are integrally provided. At least a part of the plurality of protrusions 332 extend forward from the same side of the base 331 at intervals. Among them, the base 331 of the inner chamber strap 33 is connected to the outer inflatable chamber wall 31, and the ends of the plurality of protrusions 332 of the inner chamber strap 33 are connected to the inner inflatable chamber wall 32. As Figure 5a shown, the entire base 331 of the inner chamber strap 33 is connected to the outer inflatable chamber wall 31, while in Figure 5b it, a part of the base 331 of the inner chamber strap 33 is connected to the outer inflatable chamber wall 31. The above two different connection methods can produce different appearances of the inflatable pool in the inflated state.

[0062] Figure 6a 、 Figure 6c FIG. is a schematic diagram of another inflatable product according to an embodiment of the present invention, Figure 6b is Figure 6a a partial enlarged view of. As Figures 6a - 6b shown, the second inflatable mattress 4 includes an inflatable chamber. The inflatable chamber includes a second upper inflatable chamber wall 41 and a second lower inflatable chamber wall 42 which are oppositely arranged. The inflatable chamber further includes at least one inner chamber strap 43. The inner chamber strap 43 includes a base 431 and a plurality of protrusions 432. The base 431 and the plurality of protrusions 432 are integrally provided. At least a part of the plurality of protrusions 432 extend forward from the same side of the base 431 at intervals. Among them, the base 431 of the inner chamber strap 43 is connected to the second upper inflatable chamber wall 41, and the ends of the plurality of protrusions 432 of the inner chamber strap 43 are connected to a connecting strap 44, and the connecting strap 44 is connected to the second lower inflatable chamber wall 42. The connecting strap 44 can be made of the same material as the inner chamber strap. It can be understood that the connecting strap can be any material that can simultaneously fixedly connect the inner chamber strap and the inflatable chamber wall, such as PVC, TPR, EVA or other composite materials. As Figures 6a - 6b shown, the entire base 431 of the inner chamber strap 43 is connected to the second upper inflatable chamber wall 41, while in Figure 6c it, a part of the base 431 of the inner chamber strap 43 is connected to the second upper inflatable chamber wall 41. Optionally, the connecting strap 44 is entirely or partially connected to the second lower inflatable chamber wall 42. In the present exemplary embodiment, the connecting strap 44 has a reinforcing effect and can facilitate the installation of the strap having a base and a plurality of protrusions.

[0063] Figure 7a FIG. is a schematic diagram of another inflatable product according to an embodiment of the present invention, Figure 7b is Figure 7a a partial enlarged view of. As Figures 7a - 7bAs shown, the third inflatable mattress 5 includes an inflatable chamber, and the inflatable chamber includes a relatively arranged third upper inflatable chamber wall 51 and a third lower inflatable chamber wall 52. The inflatable chamber further includes at least one inner cavity strap. The inner cavity strap includes a first strap assembly 53 and a second strap assembly 54. The first strap assembly 53 includes a base 531 and a plurality of protrusions 532. The base 531 and the plurality of protrusions 532 are integrally provided. At least a part of the plurality of protrusions 532 extend forward from the same side of the base 531 at intervals. The second strap assembly 54 includes a base 541 and a plurality of protrusions 542. The base 541 and the plurality of protrusions 542 are integrally provided. At least a part of the plurality of protrusions 542 extend forward from the same side of the base 541 at intervals. The ends of the plurality of protrusions 532 of the first strap assembly 53 and the ends of the plurality of protrusions 542 of the second strap assembly 54 are sequentially connected to form a complete strap. The base 531 of the first strap assembly 53 is connected to the third upper inflatable chamber wall 51, and the base 541 of the second strap assembly 54 is connected to the third lower inflatable chamber wall 52. As Figures 7a - 7b shown, the entire base 531 of the first strap assembly 53 is connected to the third upper inflatable chamber wall 51, and the entire base 541 of the second strap assembly 54 is connected to the third lower inflatable chamber wall 52. Although not shown, the base 531 of the first strap assembly 53 can be partially connected to the third upper inflatable chamber wall 51, and the base 541 of the second strap assembly 54 can be partially connected to the third lower inflatable chamber wall 52. In the present exemplary embodiment, the plurality of protrusions 532 of the first strap assembly 53 and the plurality of protrusions 542 of the second strap assembly 54 are sequentially connected to form a strap with a complete upper and lower edge, effectively utilizing the strap material while providing a flat surface shape for the inflatable product using the strap. In this embodiment, since the height of the strap assembly is approximately half of the overall strap, the height of the protrusions of the strap is reduced. In this way, during the pipeline manufacturing process, when the strap assembly moves, the situation where the protrusions of the strap cause product defects due to accidental folding or deformation is reduced.

[0064] Figure 8 is a schematic diagram of the application of the strap according to an embodiment of the present invention to an inflatable product. As Figure 8As shown, the inflatable product includes an inflatable chamber, and the inflatable chamber includes a first inflatable chamber wall 61 and a second inflatable chamber wall 62, wherein the second inflatable chamber wall 62 is disposed opposite to the first inflatable chamber wall 61. The inflatable chamber further includes at least one inner cavity strap, and the inner cavity strap includes a first strap assembly 63, a second strap assembly 64, and a third strap assembly 65. The first strap assembly 63 includes a base 631 and a plurality of protrusions 632. The base 631 and the plurality of protrusions 632 are integrally formed and form a preset height. At least a part of the plurality of protrusions 632 extends forward from the same side of the base 631 at intervals. The second strap assembly 64 includes a base 641 and a plurality of protrusions 642. The base 641 and the plurality of protrusions 642 are integrally formed and form a preset height. At least a part of the plurality of protrusions 642 extends forward from the same side of the base 641 at intervals. The third strap assembly 65 includes a base 651 and a plurality of protrusions 652. The base 651 and the plurality of protrusions 652 are integrally formed and form a preset height. At least a part of the plurality of protrusions 652 extends forward from the same side of the base 651 at intervals. The ends of the plurality of protrusions 632 of the first strap assembly 63, the plurality of protrusions 642 of the second strap assembly 64, and the plurality of protrusions 652 of the third strap assembly 65 are connected to each other in sequence. The base 631 of the first strap assembly 63 is connected to the first inflatable chamber wall 61, and the bases 641 of the second strap assembly 64 and 651 of the third strap assembly 65 are connected to the second inflatable chamber wall 62. As Figure 8 shown, the entire base 631 of the first strap assembly 63 is connected to the first inflatable chamber wall 61, and the entire bases 641 of the second strap assembly 64 and 651 of the third strap assembly 65 are connected to the second inflatable chamber wall 62. Although not shown, the base 631 of the first strap assembly 63 can be partially connected to the first inflatable chamber wall 61, and the bases 641 of the second strap assembly 64 and 651 of the third strap assembly 65 can be partially connected to the second inflatable chamber wall 62.

[0065] In the present exemplary embodiment, the preset height of the first strap assembly 63 is greater than the preset heights of the second strap assembly 63 and the third strap assembly 64. Optionally, in some embodiments, the preset heights of the first strap assembly 63, the second strap assembly 64, and the third strap assembly 65 can be set as needed, that is, the strap formed by the combined connection of the first strap assembly 63, the second strap assembly 64, and the third strap assembly 65 can be applicable to the requirements of different parts (such as the middle part, the corner part, and the edge part) of different inflatable products.

[0066] In the present exemplary embodiment, the first strap assembly 63, the second strap assembly 64, and the third strap assembly 65 are combined and connected into a Y-shaped strap.

[0067] In the above exemplary embodiments, the connection between the inner cavity strap and the inflatable cavity wall and / or between the multiple protrusions of the inner cavity strap is welding or bonding. Among them, welding is usually achieved by high-frequency welding.

[0068] In the above exemplary embodiments, several forms of straps are described by taking a mattress and a pool as examples. It can be understood that the technical solutions of these straps can also be applied to other suitable inflatable products, such as inflatable water products. The inner cavity strap in the above embodiments can be composed of a single strap with a base and multiple protrusions, can be composed of a strap with a base and multiple protrusions and a connecting strap, can be composed of two straps with a base and multiple protrusions, or can be composed of three straps with a base and multiple protrusions. The protrusions of the strap can be connected to the cavity wall or other straps at positions other than the ends when necessary. In addition, the inner cavity strap can select different numbers of straps with a base and multiple protrusions according to needs. The inflatable product can also select different types of inner cavity straps according to needs.

[0069] According to another aspect of the present invention, there is provided a manufacturing method of an inflatable product, including a manufacturing method of a strap and connecting the manufactured strap to the inflatable product.

[0070] In an exemplary embodiment, as Figure 10a shown, the manufacturing method of the inflatable product includes:

[0071] Step S101: Provide a whole piece of strap material;

[0072] Step S102: Punch and cut the whole piece of strap material multiple times, where each punching and cutting forms at least two straps, and each strap includes a base and multiple protrusions, and at least a part of the multiple protrusions extend forward from the same side of the base at intervals;

[0073] Step S103: Connect the base of each strap to the first inflatable cavity wall of the inflatable product, and connect the ends of the multiple protrusions of each strap away from the base to the second inflatable cavity wall of the inflatable product.

[0074] According to the above steps, optionally, as Figures 9a - 9d shown, the whole piece of strap material is punched and cut to form two identical straps, and the strap is as Figure 3 shown, including a base and multiple protrusions, and at least a part of the multiple protrusions extend forward from the same side of the base at intervals. Among them Figure 9a the shape of the protrusion of the shown strap is the same as Figure 3 In addition, the shape of the protrusion of the strap formed by punching and cutting can also be Figure 9b the rectangle shown in Figure 9c the trapezoid shown inFigure 9d The wavy shape shown. Optionally, the shape of the protrusion of the drawstring can be Figures 11a - 11d the shape shown.

[0075] In an exemplary embodiment, as Figure 10b shown, the manufacturing method of the inflatable product includes:

[0076] Step S201: Provide a whole piece of drawstring material;

[0077] Step S202: Punch and cut the whole piece of drawstring material multiple times, where each punching and cutting forms at least two drawstrings, and each drawstring includes a base and multiple protrusions, and at least a part of the multiple protrusions extend forward from the same side of the base at intervals;

[0078] Step S203: Provide a connecting band and connect the connecting band to the multiple protrusions of each drawstring;

[0079] Step S204: Connect the base of each drawstring to the first inflatable cavity wall of the inflatable product, and connect the connecting band to the second inflatable cavity wall of the inflatable product.

[0080] In this exemplary embodiment, the shape of the protrusion of the drawstring punched and cut can be set as needed, including Figures 9a - 9d the shapes shown in 11a - 11d. Optionally, the connecting band is an elongated connecting band.

[0081] In this exemplary embodiment, the obtained drawstring is as shown in Figures 6a - 6c when in use.

[0082] In an exemplary embodiment, as Figure 10c shown, the manufacturing method of the inflatable product includes:

[0083] Step S301: Provide a whole piece of drawstring material;

[0084] Step S302: Process the whole piece of drawstring material to form at least two drawstrings, where each drawstring includes a base and multiple protrusions, and at least a part of the multiple protrusions extend forward from the same side of the base at intervals;

[0085] Step S303: Select two drawstrings obtained in the above steps, and connect the end of the protrusion of one drawstring away from the base to the end of the protrusion of the other drawstring away from the base to obtain a complete drawstring;

[0086] Step S304: Connect one base of the complete drawstring to the first inflatable cavity wall of the inflatable product, and connect the other base of the complete drawstring to the second inflatable cavity wall of the inflatable product.

[0087] As Figures 11a - 11dAs shown, the entire strip of material is processed to form two identical strips. The strip is as shown in Figure 3 and includes a base and a plurality of protrusions. At least a portion of the plurality of protrusions extend forward from the same side of the base at intervals. As can be seen from Figures 11a - 11d , the shape of the protrusions of the processed strip can also be a trapezoid with a concave side as shown in Figure 11a , or a trapezoid with a convex side as shown in Figure 11c . Figures 11a - 11d In , the processed strips are connected in a staggered manner such that the end of a protrusion of one strip away from the base is connected to the end of a protrusion of another strip away from the base, forming a strip with a complete upper and lower edge. The obtained strip is as shown in Figures 7a - 7b when in use.

[0088] In the present exemplary embodiment, the method of processing the entire strip of material includes: stamping and cutting or thermal cutting.

[0089] In an exemplary embodiment, as shown in Figure 10d , the manufacturing method of the inflatable product includes:

[0090] Step S401: Provide the entire strip of material;

[0091] Step S402: Perform multiple stamping and cutting operations on the entire strip of material, where each stamping and cutting operation forms at least two strips, and each strip includes a base and a plurality of protrusions, and at least a portion of the plurality of protrusions extend forward from the same side of the base at intervals;

[0092] Step S403: Select three strips obtained from the above steps, namely the first strip, the second strip, and the third strip, and connect the end of the protrusion of the first strip away from the base to the end of the protrusion of the second strip away from the base and the end of the protrusion of the third strip away from the base;

[0093] Step S404: Connect the base of the first strip to the first inflatable cavity wall of the inflatable product, and connect the bases of the second strip and the third strip to the second inflatable cavity wall of the inflatable product.

[0094] In the present exemplary embodiment, the three selected strips can have different heights, and every three strips are connected to form a Y-shaped strip. Optionally, the height of the strip perpendicular to the inflatable cavity wall in the Y-shaped strip is greater than the height of the other strips. Optionally, the obtained strip is as shown in Figure 8 when in use.

[0095] Those skilled in the art should understand that in all of the above manufacturing methods of inflatable products, the manufacturing method of the drawstrings of the inflatable products is included. And in all of the above exemplary embodiments, in addition to stamping and cutting the whole piece of drawstring material multiple times, a thermal cutting method can also be used. Stamping and cutting or thermal cutting preferably adopt a cutting-in-half method. Optionally, the whole piece of drawstring material is stamped and cut or thermally cut on a production line, and the whole piece of drawstring material can be pre-processed into a sheet shape suitable for cutting out or cutting at least a pair of drawstrings at one time.

[0096] In all of the above manufacturing methods of inflatable products, the connection between the drawstring and the inflatable product and the connection between the drawstrings include welding or bonding. The base of the drawstring can be wholly or partially connected to the inflatable cavity wall of the inflatable product, and the connecting strap can be wholly or partially connected to the inflatable cavity wall of the inflatable product.

[0097] In an exemplary embodiment, as Figure 12 shown, the drawstring obtained by the above manufacturing method forms a straight drawstring or a Y-shaped drawstring when in use.

[0098] In an exemplary embodiment, the drawstring material is a single-layer material or a multi-layer material. The single-layer material is, for example, PVC, TPR, EVA or fabric, and the multi-layer material is, for example, a fabric material provided between two adhering layers (PVC / TPR / EVA / fabric).

[0099] Compared with the prior art technical solutions that use a whole straight drawstring or a hollowed-out straight drawstring, the present invention realizes the maximum utilization of the drawstring material. The cut drawstrings can be used alone or in combination, achieving the maximum utilization of resources while reducing weight.

[0100] The exemplary embodiments disclosed by the present invention can be subjected to various substitutions, combinations or modifications. Without departing from the essence of the present invention, all such deformations still belong to the concept of the present invention and fall within the protection scope defined by the claims of the present invention.

Claims

1. An inflatable mattress, characterized in that, Comprising: A first inflatable cavity wall; A second inflatable cavity wall, which is arranged opposite to the first inflatable cavity wall and forms a gap with the first inflatable cavity wall after the inflatable mattress is inflated; And A plurality of sheet-like inner cavity straps, the plurality of sheet-like inner cavity straps are arranged parallel to each other and span the gap, and each of the plurality of sheet-like inner cavity straps includes: A first sheet-like strap assembly, including: A first base portion, connected to the first inflatable cavity wall and generally rectangular in shape; and A plurality of first protrusions, integrally formed with the first base portion, the plurality of first protrusions extend outward from one side of the first base portion at uniform intervals and form a plurality of end portions; A second sheet-like strap assembly, including: A second base portion, connected to the second inflatable cavity wall and generally rectangular in shape; and A plurality of second protrusions, integrally formed with the second base portion, the plurality of second protrusions extend outward from one side of the second base portion at uniform intervals and form a plurality of end portions; Wherein, the plurality of end portions of the plurality of first protrusions of the first sheet-like strap assembly correspond to and are connected to the plurality of end portions of the plurality of second protrusions of the second sheet-like strap assembly one by one; Wherein, the manufacturing method of each of the plurality of sheet-like inner cavity straps includes: Providing a whole piece of strap material; Cutting the whole piece of strap material so that each piece of the whole piece of strap material separates out a first sheet-like strap assembly and a second sheet-like strap assembly; wherein, the first sheet-like strap assembly and the second sheet-like strap assembly separated from the same piece of the whole piece of strap material have the same shape; Connecting the plurality of end portions of the plurality of first protrusions of a first sheet-like strap assembly to the plurality of end portions of the plurality of second protrusions of a second sheet-like strap assembly one by one to form a complete sheet-like inner cavity strap.

2. The inflatable mattress according to claim 1, characterized in that, The plurality of first protrusions of the first sheet-like strap assembly and the plurality of second protrusions of the second sheet-like strap assembly have the same shape.

3. The inflatable mattress according to claim 2, wherein The plurality of first protrusions and the plurality of second protrusions are each one of a rectangle, a square, a trapezoid or a wave shape.

4. An inflatable mattress according to claim 1, characterized in that, The spacing between every two adjacent first protrusions among the plurality of first protrusions is equal, and the spacing between every two adjacent second protrusions among the plurality of second protrusions is equal.

5. The inflatable mattress according to claim 4, wherein The spacing between two adjacent first protrusions among the plurality of first protrusions is equal to the spacing between two adjacent second protrusions among the plurality of second protrusions.

6. The inflatable mattress according to claim 1, characterized in that, The first base portion is fixed to the first inflatable cavity wall by high-frequency welding, and the second base portion is fixed to the second inflatable cavity wall by high-frequency welding.

7. The inflatable mattress according to claim 1, wherein The plurality of end portions of the first protrusions and the plurality of end portions of the second protrusions are fixed by high-frequency welding.

Images