WO2013131309A1

WO2013131309A1 - Air cushion type knapsack

Info

Publication number: WO2013131309A1
Application number: PCT/CN2012/074079
Authority: WO
Inventors: 张沛
Original assignee: Zhang Pei
Priority date: 2012-03-07
Filing date: 2012-04-16
Publication date: 2013-09-12
Also published as: CN103300592A

Abstract

An air cushion type knapsack comprises a knapsack body (2) and an air cushion (1). The knapsack body (2) is connected to the air cushion (1). The air cushion (1) comprises: a back body (12). The back body (12) matches the size of the knapsack body (2), the back body (12) presses against the knapsack body (2), an edge of the back body (12) is connected to the knapsack body (2), the back body (12) is divided into a left half part (121) and a right half part (122) that are symmetrical to each other, and the left half part (121) and the right half part (122) are respectively located at two sides of a central line of the back body (12). The air cushion (1) further comprises: two shoulder pads (11). The shoulder pads (11) extend out respectively from the upper ends of the sides that are on the left half part (121) of the back body (12) and the right half part (122) of the back body (12) and are far away from the central line.

Description

Air cushion type backpack

The present invention relates to the technical field of daily necessities, and in particular to an air-cushioned backpack for use by a student or a traveler. Background technique

Most of the bags and travel bags on the market today are in the form of backpacks, so the weight of the objects on the back is shared on both shoulders. As the weight of the objects in the backpack increases, the burden of weight on the shoulders becomes more and more, especially in long-term sports such as hiking, which brings a lot of inconvenience to the user. .

The present invention is intended to provide an air-cushioned backpack that reduces the pressure that the backpack brings to the shoulders by designing a body-connected air cushion on the back of the body of the backpack, and effectively reduces the need for the air cushion by using the material of the TPU. The amount of gas, so that the air cushion can be given by manual blowing, brings great convenience to the user. Summary of the invention

In view of the deficiencies in the prior art, it is an object of the present invention to provide an air-cushioned backpack.

According to an aspect of the present invention, an air cushion type backpack includes a backpack body and an air cushion, wherein the backpack body is coupled to the air cushion, and the air cushion includes: a back body, the back body Adapting to the size of the body of the backpack, the back body is attached to the body of the backpack, the edge of the back body is connected with the body of the backpack, and the back body is divided into left and right halves which are symmetric with each other. The left half and the right half are respectively located at two sides of the center line of the back body; two shoulder guards respectively from the left half of the back body and the back The upper end of the body at the right half of the body extends outwardly away from the upper end of the side of the centerline.

Preferably, the back body and the two shoulder guards are in integral communication with each other.

Preferably, at least one first inflation valve is disposed on the back body of the air cushion.

Preferably, at least a partition is provided between the back body and the two shoulder guards, the partition separating the back body from the gas inside the shoulder guard.

Preferably, at least a side of the back body is provided with a second inflation valve, and at least a side of the shoulder is provided with a third inflation valve.

Preferably, the shoulder of the shoulder is provided with a strap, and the strap is connected to both side edges of the lower portion of the backpack body. Preferably, the air cushion further includes two waist guards, and the two waist guards respectively extend outward from both sides of the lower portion of the back body.

Preferably, the back body is in integral communication with the interior of the two waist guards.

Preferably, at least a partition is provided between the back body and the two waist guards, the partition separating the back body from the gas inside the waist guard.

Preferably, at least one fourth inflation valve is disposed on the waist guard.

Preferably, the air cushion is made of any one of a TPU material, a rubber, an EVA material, a PE material, a PU material, a TPR material, and other materials having good elasticity.

The present invention provides an air cushion type backpack with the following advantages:

1) The support structure of the back is directly formed by the inflatable cushion, so that the area of the contact portion is increased, and the ventilated portion does not touch the body.

2) Through the design of its air cushion and its materials, it can support the three-dimensionality of the bag and provide a better contact feeling.

3) All internal parts of the inflatable cushion that need to be active or need to adjust the height/size of the air cushion can make the overall air cushion naturally bend or high and the other inflatable cushions will not be sewn on the inflatable cushion.

4) In order to enhance the elasticity, the air cushion is not equal in area between the front and the back, and the side of the back sheet is small, so that the elasticity of the gas is concentrated on the contact surface.

5) This air cushion can also be assembled in a detachable manner, and the air cushion can be replaced. DRAWINGS

Other features, objects, and advantages of the present invention will become more apparent from the Detailed Description of Description

1 shows a schematic structural view of an air cushion 1 of the air-cushion type backpack according to a first embodiment of the present invention; FIG. 2 shows a structure of an air cushion 1 of the air-cushion type backpack according to a second embodiment of the present invention. 3 is a schematic view showing the structure of an air cushion 1 of the air-cushion type backpack according to a third embodiment of the present invention; and FIG. 4 is a view showing the entire air cushion type backpack according to a fourth embodiment of the present invention. Structure diagram. detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

The present invention provides an air cushion type backpack comprising an air cushion 1 and a backpack body 2. Figure 1 shows the basis In the first embodiment of the present invention, a schematic structural view of the air cushion 1 of the air cushion type backpack is provided. This embodiment is a preferred example of the present invention. Specifically, the air cushion 1 includes two shoulder guards 11, a back body 12 and two waist protectors 13, the shoulder guard 11, the back body 12 and the waist guard 13 Connected to each other as a whole. More specifically, the back body 12 is adapted to the back of the user for attaching to the back of the user, and the back body 12 can be divided into a left half 121 and a right half 122 which are symmetrical to each other. The left half 121 and the right half 122 are respectively located on both sides of the center line of the back body 12. The two shoulder guards 11 extend outwardly from the upper ends of the left half 121 and the right half 122 away from the center line of the back body 12, respectively, for use with the shoulder of the user. Contact to reduce the pressure at which the ordinary backpack concentrates on the shoulder. The two waist guards 13 respectively extend outward from both sides of the lower portion of the back body for attaching to the waist of the user to protect the waist, which will not be described herein. In one variation, the air cushion 1 includes only the two shoulder guards 11 and the back body 12, and the two waist guards 13 may not be disposed on the air cushion 1 according to specific use conditions. It is understood by those skilled in the art that the above-mentioned variants can also be implemented in combination with the embodiment shown in FIG. 1 , and details are not described herein.

Further, according to the embodiment shown in FIG. 1, the interiors of the air cushion 1 are in communication with each other, that is, the shoulders 11, the back body 12 and the interior of the waist guard 13 are in communication with each other, when inflation or exhaust is required, only It is necessary to replenish or discharge the gas from one place, so that the entire air cushion 1 can reach the required amount of gas. Therefore, in this case, it is only necessary to provide an inflation valve 15 on the back body 12 of the air cushion 1, and one of the inflation valves is provided at the back body 12 due to the entire internal communication of the air cushion 1. 15 can make the entire air cushion 1 full of air, and the inflation valve 15 is also used for making a port, which will not be described here. More specifically, those skilled in the art understand that in some variations of this embodiment, the inflation valve 15 may be disposed at other locations of the air cushion 1. For example, in a variant, the inflation valve 15 may also be provided on the shoulder 11 or, in another variant, the inflation valve 15 may be provided on the back body 12. These variations can be implemented in conjunction with the embodiment shown in FIG. 1, and are not described herein.

Further, in other variations, the shoulder guard 11, the back body 12, and the waist guard 13 are not in communication. For example, in a variant, a partition 3 is provided between the two shoulders 11 and the back body 12, and the partition 3 separates the gas inside the back body 12 from the two shoulders 11 For two parts. In this case, one of the inflation valves 15 is provided on the back body 12, and another inflation valve 15 is provided on the shoulder 11 to satisfy the gas demand of the air cushion 1. In another variation, a partition 3 is disposed between the back body 12 and the two waist protectors 13, and the back body 12 is in communication with the shoulder 11 and the partition 3 will The backing body 12 and the gas partitions inside the two waist protectors 13 are divided into two parts, in which case one of the inflation valves 15 is provided on the waist guard 13 and on the back body 12. Another said inflation valve 15 is provided. Further, similarly, in still another variation, one of the partitions 3 is disposed between the shoulder guard 11 and the back body 12, and A partition 3 is also disposed between the waist guard 13 and the back body 12. In this variation, the air cushion 1 is divided into three parts, so it is necessary to provide three of the inflation valves 15 The three inflation valves 15 are respectively provided on the back body 12, the shoulder 11 and the waist guard 13 respectively. It can be understood that when the air cushion 1 is divided into a plurality of sections by the plurality of partitions 3, a corresponding number of the inflation valves 15 are required to be disposed on the plurality of sections to meet the inflation requirement of the air cushion 1. . Those skilled in the art understand that these variations can be implemented in conjunction with the embodiment shown in FIG. 1, and are not described herein.

Further, in the embodiment, the air cushion 1 preferably adopts a TPU material, and by using the non-elastic material such as the TPU, the air cushion 1 is less deformed in expansion, and thus requires less inflation. The air cushion 1 can be filled with gas, so that the user can inflate the air cushion 1 only by manual inflation, and the TPU material also makes the air cushion 1 more resistant to temperature and pressure. In some variations, the air cushion 1 may also use some other similarly elastic material, such as rubber, EVA material, PE material, PU material or TPR material, etc., those skilled in the art understand that these variations Both can be implemented in combination with the embodiment shown in FIG. 1 and does not affect the essence of the present invention, and details are not described herein.

Fig. 2 is a view showing the structure of an air cushion 1 of the air-cushion type backpack according to a second embodiment of the present invention. This embodiment can be understood as a variation of the above-mentioned FIG. 1. Specifically, in the embodiment, the air cushion 1 includes only the shoulder guard 11 and the back body 12, and the back body 12 is equally divided. The left half 121 and the right half 122 are symmetric with each other, and the left half 121 and the right half 122 are respectively located on both sides of the center line of the back body 12. The two shoulder guards 11 extend outward from the upper ends of the left half 121 and the right half 122 away from the center line of the back body 12, respectively. More specifically, the back body 12 can be correspondingly designed according to the needs of the user and the size of the backpack body 2. In the embodiment shown in FIG. 2, the back body 12 can be Only a small portion is designed, in which case the air cushion 1 can be used for some of the smaller size of the backpack body 2, which can also serve to reduce the weight of the entire backpack.

Further, according to the embodiment shown in FIG. 2, in a variant, the back body 12 can be extended downward to the waist of the user without providing the two waist guards 13. This design can be applied to some medium-sized ones. The backpack body 2 is sized to achieve the same purpose while saving material usage. Those skilled in the art understand. The embodiment shown in Figure 2 does not affect the substance of the present invention and will not be described herein.

Fig. 3 is a view showing the structure of an air cushion 1 of the air cushion type backpack according to a third embodiment of the present invention. This embodiment can be understood as a variation of the above-mentioned FIG. 1. Specifically, in the embodiment, the air cushion 1 is equally divided into the shoulder guard 11, the back body 12 and the waist guard 13, the two shoulder pads. 11 is connected to the back body 12, and unlike the embodiment shown in FIG. 1 above, in the embodiment shown in FIG. 3, the back body 12 is divided into an upper half 121 and a lower half. 122, the upper half 121 is connected to the two shoulders 11, the two sides of the lower half 122 are respectively connected to the two waist protectors 13, and the upper half 121 and the lower half The portions 122 are not connected to each other, that is, the back body 12 is divided into two at this time. In this case, the air cushion is understood by those skilled in the art, and the variation shown in FIG. 3 does not affect the essence of the present invention, and details are not described herein.

Fig. 4 is a view showing the entire configuration of the air-cushion type backpack according to a fourth embodiment of the present invention. This embodiment can also be understood as a variation of the above Fig. 1. Specifically, in the present embodiment, the outer contour of the air cushion 1 extends out of an end edge 16 (not shown), and the size of the back body 12 is adapted to the backpack body 2, and the edge 16 is The back body 12 may be stitched to the backpack body 2 such that one surface of the air cushion 1 is attached to the backpack body 2. Further, the other side of the air cushion 1 is further covered with a material such as woven nylon or polyester, which is stitched to the air cushion 1 through the edge 16, and the woven nylon or polyester material can make the The air cushioned backpack is more comfortable and more beautiful. In Fig. 2, since the material of the backpack body 2 and the other side has been sewn, the edge 16 is not shown, and details are not described herein.

Further, in the present embodiment, the air cushion 1 includes only two of the shoulder pads 11 and one of the back bodies 12, the two shoulder pads 11 respectively from the left half 121 of the back body 12 and The upper side of the right half 122 extends outwardly, and the ends of the two shoulders 11 are provided with a uniform back strap 111 extending outward from the end of the shoulder 11 and with the body of the backpack. The two sides of the lower portion of the second portion are stitched and joined, so that the entire shoulder guards 11 are connected in a ring shape, which will not be described herein. Further, in a variation of FIG. 2, the air cushion 1 shown in FIG. 1 is not shown in FIG. 2, and the air cushion 1 further includes two of the waist guards 13, the two waist guards 13 Respectively extending from the two sides of the lower portion of the back body 12, in this variant, the ends of the two waist guards 13 are each provided with a waist belt 112, one end of the two waist belts 112 and the waist guard 13 is connected and extends outwardly from the ends of the two waist guards 13, and the other end is provided with a pair of connecting members 113, so that the waist 13 can be surrounded by the mating connection of the pair of connecting members 113. The waist of the user is used in conjunction with the waist protector 13. More specifically, the connecting member 113 generally adopts a pair of existing pairs of buckles or buckles, and the shoulder belt 111 and the waist belt 112 are also commonly used for length adjustment within a certain range. Nylon or canvas bag. Those skilled in the art understand that these variations can be implemented in conjunction with the embodiment shown in FIG. 2, and are not described herein.

With reference to the embodiment shown in FIG. 1 to FIG. 4, further, it is understood by those skilled in the art that the air-cushion backpack is designed to allow the user to walk on a backpack by designing the integrally-connected air cushion 1 on the back of the backpack body 2. The pressure applied to the shoulders by the backpack is reduced during walking, and the amount of gas required for the air cushion 1 is effectively reduced by using the material of the air cushion 1 in combination with the air cushion 1. The air cushion 1 can also perform internal sewing to make the air cushion 1 The state of bending or height is better to fit the user's body. The air cushion 1 is preferably machined to be close to the backpack body 2 during processing. The surface area is larger than the one surface area away from the backpack body 2, and the elasticity of the gas is concentrated on the side away from the backpack body 2, and the supporting action of the gas can be utilized more effectively. The air cushion type backpack can also be inflated by the user by manual blowing. The gas volume of the air cushion 1 can also be adjusted for the time, and the air cushion is also very simple and quick in processing.

The specific embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the specific embodiments described above, and various modifications or changes may be made by those skilled in the art without departing from the scope of the invention.

Claims

Rights request

An air cushion type backpack comprising a backpack body and an air cushion, wherein the backpack body is connected to the air cushion, and the air cushion comprises:

a back body, the back body is adapted to the size of the body of the backpack, the back body is attached to the body of the backpack, the edge of the back body is connected with the body of the backpack, and the back body is divided into two sides. a left half and a right half, the left half and the right half being respectively located on opposite sides of a center line of the back body;

Two shoulder guards extend outwardly from the left half of the back body and the upper end of the side away from the centerline at the right half of the back body, respectively.

The air-cushioned backpack according to claim 1, wherein the back body is in integral communication with the inner portion between the two shoulder guards.

The air cushion type backpack according to claim 2, wherein at least one air filling valve is disposed on the back body of the air cushion.

The air cushion type backpack according to claim 1, wherein at least a partition is disposed between the back body and the two shoulder guards, the partition separating the back body from the inside of the shoulder protector Gas partition.

The air-cushioned backpack according to claim 4, wherein at least one side of the back body is provided with an inflation valve, and at least one side of the shoulder is provided with another inflation valve.

The air-cushioned backpack according to any one of claims 1 to 5, characterized in that the shoulder of the shoulder is provided with a strap, and the strap is connected to both side edges of the lower portion of the body of the backpack.

The air-cushioned backpack according to claim 6, wherein the air cushion further comprises two waist guards, the two waist guards respectively extending outward from both sides of the lower portion of the back body.

The air-cushioned backpack according to claim 7, wherein the back body is in integral communication with the inner portion between the two waist guards.

The air cushion type backpack according to claim 7, wherein at least a partition is provided between the back body and the two waist guards, the partition separating the back body and the inside of the waist guard Gas partition.

The air-cushioned backpack according to claim 9, wherein at least one inflation valve is provided on the waist guard.

The air-cushioned backpack according to any one of claims 1 to 10, wherein the air cushion is made of any one of the following materials:

TPU material;

Rubber

EVA material; PE material;

PU material;

TPR material;

And other materials with better elasticity.