Safety backpack

Abstract

A safety backpack (1), comprising an air bag (10) and an outer cover (20). The air bag (10) has a deployed state and a stowed state. The outer cover (20) comprises a first layer (21) and a second layer (22) connected together. The first layer (21) and the second layer (22) jointly define an inner cavity for accommodating the air bag (10). The first layer (21) further comprises folded portions (211) formed by folding predetermined sections thereof. When a preset condition is satisfied, the air bag (10) transitions from the stowed state to the deployed state, and the folded portions (211) transition from a folded state to an unfolded state, such that the second layer (22) originally accommodated in the folded portions (211) is exposed and the area of the first layer (21) is increased at the same time, enabling the air bag (10) in the deployed state to be still completely accommodated in the inner cavity.

Description

Safety backpack Technical Field

[0001] This invention relates to safety devices that provide protection in the event of a fall, and more specifically, to safety backpacks. Background Technology

[0002] Bicycles, e-bikes, and motorcycles are widely used as short-distance transportation. To prevent rider injury in the event of an accident, riders choose to wear helmets to protect their heads. It is worth noting that in the event of a fall, for example, while riding a bicycle, multiple parts of the body can be injured; therefore, providing protection for multiple parts of the rider's body has become increasingly important.

[0003] Providing adequate protection for other parts of the body is often more difficult than protecting the head with a helmet, especially when such protection is likely to significantly impede the user. To minimize the impact on the rider's activities (e.g., mobility), backpacks with airbags are used to protect the rider.

[0004] In addition, those engaged in highly dangerous sports or production activities, such as skiers or construction workers on construction sites, also need to be protected in the event of a fall.

[0005] However, the deployment and ejection process of such airbags takes a long time, which means that the airbag may reach its intended position later than the time of the accident (impact, collision, fall). Summary of the Invention

[0006] The purpose of this invention is to provide a highly secure safety backpack that can provide timely protection for cyclists in the event of an accident.

[0007] This invention provides a safety backpack, which includes

[0008] Airbags, which have both deployed and stowed states; and

[0009] The outer cover includes a first layer and a second layer connected together and opposite to each other, and the first layer and the second layer together define an inner cavity for accommodating the air bag;

[0010] in,

[0011] The first layer also includes a folded portion formed by folding its predetermined sections. When a preset condition is met, the air bag changes from a stored state to an unfolded state, and the folded portion changes from a folded state to a flat state, so that the second layer originally contained in the folded portion is exposed and the area of ​​the first layer is increased at the same time, so that the air bag in the unfolded state is still completely contained in the inner cavity.

[0012] According to an embodiment of the present invention, when the folded portion changes from a folded state to a flat state, the predetermined segment of the first layer flips from a position on a different layer from other segments to a position on the same layer as other segments.

[0013] According to an embodiment of the present invention, a fastener for keeping the folded part in a folded state is further provided on the first layer. The fastener includes a first fastener and a second fastener fixed at different positions of the folded part and connected to each other. When the air bag changes from a stored state to an unfolded state, the first fastener and the second fastener automatically separate under the action of the air bag to release the folded state of the folded part.

[0014] According to an embodiment of the present invention, the outer cover includes a main body, a first branch and a second branch extending from the main body in different directions, and the folded portion extends continuously on the first branch, the main body and the second branch.

[0015] According to an embodiment of the present invention, each of the first branch and the second branch includes two said folded portions, and the edges of the two said folded portions are abutted or overlapped together in the folded state and fixed together by said fastener.

[0016] According to an embodiment of the present invention, the gas generator is disposed on the main body and a control module for controlling the gas generator, wherein the gas generator is connected to the vent of the air bag for filling the air bag with the generated gas through the vent.

[0017] According to an embodiment of the present invention, the folded portion extends along the length direction of each of the first branch and the second branch, respectively.

[0018] And / or,

[0019] The second layer is also provided with a warning section, and the warning section includes warning information.

[0020] According to an embodiment of the present invention, the fastener is configured as Velcro, a zipper, or a button.

[0021] And / or,

[0022] The predetermined section and other sections of the first layer are made of flexible materials of different colors, and the warning section is configured to have a bright color.

[0023] According to an embodiment of the present invention, a first mating member is provided on the air bag, and a second mating member is provided on the inner side of the outer cover. The first mating member and the second mating member cooperate with each other to fix the air bag and the outer cover.

[0024] According to an embodiment of the present invention, the air bag is provided with a pair of first mating members, the outer cover is provided with a pair of second mating members, and the pair of first mating members respectively pass through the pair of second mating members and then cooperate with each other on the outside of the outer cover to fix the air bag and the outer cover. Attached Figure Description

[0025] The features, advantages, and technical effects of exemplary embodiments of the present invention will now be described with reference to the accompanying drawings. In the drawings, the same symbols denote the same elements, wherein:

[0026] Figures 1(a) and 1(b) show safety backpacks in different states according to embodiments of the present invention.

[0027] Figure 2 schematically shows some components of a safety backpack according to an embodiment of the present invention.

[0028] Figure 3 schematically shows some components of a safety backpack according to an embodiment of the present invention.

[0029] Figures 4(a) and 4(b) schematically illustrate some components of a safety backpack according to another embodiment of the present invention. Detailed Implementation

[0030] The following describes specific embodiments of the safety backpack according to the present invention with reference to the accompanying drawings. The detailed description and drawings below are provided to exemplify the principles of the invention. The invention is not limited to the described preferred embodiments; the various embodiments described can be used individually or in any combination. The scope of protection of the invention is defined by the claims.

[0031] Furthermore, spatially related terms (such as "up," "down," "left," and "right") are used to describe the relative positional relationship between elements shown in the accompanying drawings and other elements. Therefore, spatially related terms can be applied to directions different from those shown in the accompanying drawings. Clearly, while all these spatially related terms refer to the directions shown in the accompanying drawings for ease of explanation, those skilled in the art will understand that directions different from those shown in the accompanying drawings can be used.

[0032] Figures 1(a) and 1(b) respectively show a safety backpack in different states according to an embodiment of the present invention. Figure 2 schematically shows some components of a safety backpack according to an embodiment of the present invention. Figure 3 schematically shows some components of a safety backpack according to an embodiment of the present invention. The safety backpack according to an embodiment of the present invention will be described below with reference to Figures 1(a), 1(b), 2 and 3.

[0033] As shown in Figures 1(a) and 2, the present invention provides a safety backpack 1, which includes an airbag 10 and an outer cover 20. The airbag 10 has an deployed state and a collapsed state. When collapsed, the airbag 10 has a smaller volume; and when deployed, the airbag 10 has a larger volume. The outer cover 20 has a double-layer structure. Specifically, the outer cover 20 includes a first layer 21 and a second layer 22. It should be noted that the first layer 21 and the second layer 22 have substantially the same shape and size. To clearly show the first layer 21 and the airbag 10, the second layer 22 is omitted in Figure 2 and is therefore not shown in Figure 2. For example, for a cyclist, when the airbag 10 is deployed, the first layer 21 is the inner layer and fits against the body, and the second layer 22 is the outer layer. That is, the first layer 21 and the second layer 22 overlap in the thickness direction of the outer cover 20. Of course, when the airbag 10 is in the stowed state, the second layer 22 is completely contained within the first layer 21. At this time, the first layer 21 serves as both the outer and inner layer of the outer cover 20. Furthermore, the first layer 21 and the second layer 22 are joined together at their edges. For ease of understanding, the edge of the first layer 21 is shown in Figure 2; this edge is also the connecting edge between the first layer 21 and the second layer 22. The first layer 21 and the second layer 22 together define the inner cavity for accommodating the airbag 10. In the safety backpack 1 of the present invention, the inner cavity of the outer cover 20 defined by the first layer 21 and the second layer 22 has a variable volume. Specifically, as described above, when in the stowed state, the airbag 10 will have a smaller volume (see Figure 1(a)); and when in the unfolded state, the airbag 10 will have a larger volume. Furthermore, the inner cavity defined by the first layer 21 and the second layer 22 is suitable for accommodating the airbag 10 in both its retracted and expanded states. Considering that the airbag 10 increases in volume when it transitions from the retracted to the expanded state, the inner cavity defined by the first layer 21 and the second layer 22 needs to have a larger volume as the airbag 10 increases in volume. To this end, as shown in Figures 1(a) and 1(b), the first layer 21 also includes a folded portion 211 formed by folding its predetermined sections. When a preset condition is met, the airbag 10 transitions from the retracted state shown in Figure 1(a) to the expanded state, and the folded portion 211 transitions from the folded state to the flat state to increase the area of ​​the first layer 21, so that the airbag 10 in the expanded state is still completely contained within the inner cavity. Figure 1(b) shows the shape of the outer cover 20 when the airbag 10 is not fully expanded, and as the airbag 10 continues to expand, the folded portions 211 of the first layer 21 will continue to flip according to the arrows shown in Figure 1(b), which will expose the second layer 22 originally contained within the folded portions 211. In other words, the second layer 22 of the outer cover 20 is contained within the folded portion 211 when the folded portion 211 is in the folded state and is not visible from the outside. When the folded portion 211 is in the flat state, the second layer 22 is exposed.In the safety backpack 1 of the present invention, when the folding portion 211 is in a folded state, it is located on the outside. When the folding portion 211 changes from a folded state to a flat state, the folding portion 211 flips over, causing a predetermined section forming the first layer 21 folding portion 211 to flip to the inside. This flips the portion from being on a different layer from other sections of the first layer 21 to being on the same layer as other sections. This increases the area of ​​the first layer 21. At the same time, the second layer 22 becomes the outer layer. At this time, the outer cover 20 has the first layer 21 and the second layer 22 overlapping in the thickness direction. It can be understood that in the flat state, the second layer 22 and the first layer 21 are two substantially identical layers and substantially completely overlap. As shown in Figures 1(a), 1(b), and 2, in an embodiment of the present invention, the outer cover 21 includes a main body 13, a first branch 11 extending from the main body 13 in different directions, and a second branch 12. The main body 13 is used to protect, for example, the back and cervical spine of a cyclist, and the first branch 11 and the second branch 12 are used to protect the right chest region and the left chest region of the cyclist, respectively. The airbag 10 has the same shape as the outer cover 20, that is, it has an airbag main body and two airbag branches extending from the airbag main body in different directions to protect the back and left chest region and the right chest region of the cyclist, respectively. When worn by a cyclist, the first branch 11 and the second branch 12 are secured together to prevent the safety backpack 1 from falling off. For this purpose, two fixing parts are fixed to the two opposite edges of the first branch 11 and the second branch 12 respectively. The cyclist secures the two fixing parts together to hold the first branch 11 and the second branch 12 together. In the embodiment shown in the figure, the fixing parts for securing the first branch 11 and the second branch 12 can be provided on two adjacent folding portions 211. Furthermore, the folding portions 211 extend continuously along the first branch 11, the main body 13, and the second branch 12. As an embodiment of the invention, as shown in Figures 1(a) and 1(b), the folding portions 211 extend along the length direction of each of the first branch 11 and the second branch 12. Specifically, the fold 211 extends upward from the bottom edge of the first branch 11 to the top edge (i.e., the back near the shoulder), continues to extend a distance beyond the main body 13, and then extends towards the top edge of the second branch 12 (i.e., the back near the shoulder) until it reaches the bottom edge of the second branch 12. When the fold 21 changes from a folded state to a flat state, the first layer 21 unfolds in the width direction, increasing the width of the first layer 21. Therefore, the first layer 21 has a larger area, which in turn increases the volume of the cavity defined by the first layer 21 and the second layer 22.

[0034] It is understandable that the folding section can quickly change from a folded state to a flat state, which helps to accelerate the deployment of the airbags in the safety backpack, thereby providing protection to the cyclist quickly.

[0035] To keep the folded portion 211 in the folded state, a fastener is also provided on the first layer 21. The fastener includes a first fastener and a second fastener fixed at different locations on the folded portion 211 and connected to each other. The fastener can be, for example, Velcro, a zipper, or a button. As shown in Figures 1(a) and 1(b), each of the first branch 11 and the second branch 12 includes two folded portions 211. In each of the first branch 11 and the second branch 12, the edges of the two folded portions 211 are abutted together in the folded state and secured together by the fastener. The fastener is positioned, for example, at the two opposite edges of the two folded portions, which are shown abutting together in Figure 1(a) (schematically shown as a line in the figure) and spaced apart by the second layer 22 in Figure 1(b). In one example, the fastener includes two Velcro fasteners, one along one edge of one folded portion and the other along the other edge of the other folded portion; alternatively, the Velcro fastener can be replaced with a zipper or a button. As shown in Figure 1(a), when the airbag 10 is in the retracted state, the two Velcro straps, zippers, or buttons are fastened together, thereby simultaneously holding the two folded portions 211 in a folded state. When the airbag 10 changes from the retracted state to the unfolded state, as shown in Figure 1(b), the two Velcro straps, zippers, or buttons are automatically separated by the force exerted by the inflated airbag 10, thereby releasing the holding of the two folded portions 211 in a folded state, and the folded portions 211 enter a flat state. Of course, this is just an example; the two folded portions 211 can also overlap, for example, partially overlap, and the fasteners fix the overlapping portions of the two folded portions 211 together. In addition, the first and second fastening portions of the fasteners are not limited to the aforementioned Velcro straps, zippers, or buttons, and any first and second fastening portions that automatically separate under the action of the airbag are suitable for use as fastening portions of the present invention. It should be noted that although only two folds are shown in the figure, this is just an example. In the safety backpack of the present invention, the number of folds on the first layer of the outer cover is not limited, for example, more folds can be provided.

[0036] As an embodiment of the present invention, a warning section is further provided on the second layer 22, and the warning section includes warning information. For example, the warning section includes warning information in a bright color, such as orange, and correspondingly, the first layer 21 is made of a dark-colored material. Therefore, the first layer 21 and the second layer 22 are made of materials of different colors, and, considering the comfort of the rider, the second layer 22 can be made of a soft material with high tensile strength, such as nylon or PET. Furthermore, the first layer 21 can be made of a material that provides both comfort and aesthetic appeal, such as leather; of course, the first layer 21 can also be made of a material with high rigidity and high tensile strength.

[0037] As shown in Figure 3, the safety backpack 1 also includes a gas generator 30 located at the main body 13 of the outer cover 10. This gas generator communicates with the vent of the air bag 10 to inflate the air bag 10 with generated gas. It is understood that when the gas generator is located at the main body, its distance from both the first and second branches is relatively close, thus accelerating the inflation speed of the air bag. Simultaneously, the distances of the gas generator from the first and second branches are approximately equal, allowing the first and second branches to symmetrically and simultaneously enter a flattened state, which is beneficial for providing reliable protection. Furthermore, a control module for controlling the gas generator 30 is also located at the main body 13. This control module can monitor data to detect whether the cyclist has fallen. For example, data for monitoring user falls can be obtained by sensors. When a fall is detected, the control module controls the gas generator to release gas into the air bag. When gas is released into the air bag 10, the air bag 10 inflates to protect the cyclist's cervical spine and / or chest and / or shoulder areas.

[0038] To fix the relative position of the airbag 10 and the outer cover 20, as an embodiment of the present invention, as shown in Figures 2 and 3, the airbag 10 is provided with a first mating member 101, and correspondingly, the inner side of the outer cover 20, particularly the first layer 21, is provided with a second mating member 212. The first mating member 101 and the second mating member 212 cooperate with each other to fix the airbag 10 and the outer cover 20. In one example, the first mating member 101 on the airbag 10 is configured as a hook, and the second mating member 212 on the first layer 21 is configured as a ring. Alternatively, the first mating member 101 on the airbag 10 can be configured as a ring, and the second mating member 212 on the first layer 21 can be configured as a hook, with the hook hooking into the ring, thereby connecting the outer cover 20 and the airbag 10 together to fix the position of the airbag 10 relative to the outer cover 20. Of course, this is merely an example; the first and second mating members can also be selected as other mating member forms, such as snap fasteners.

[0039] Figures 4(a) and 4(b) schematically illustrate some components of a safety backpack according to another embodiment of the present invention. The safety backpack according to another embodiment of the present invention will be described below with reference to Figures 4(a) and 4(b). It should be noted that Figures 4(a) and 4(b) are alternative examples of the embodiment shown in Figure 2; the following description mainly focuses on the differences between the two, while the similarities will not be described to avoid redundancy.

[0040] In the embodiment shown in Figure 2, the second mating member 212 is disposed on the inner side of the outer cover 20. Therefore, the fixation between the outer cover 20 and the air bag 10 is implemented on the inner side of the outer cover 20. In contrast, in the embodiments shown in Figures 4(a) and 4(b), the fixation between the outer cover 20 and the air bag 10 is implemented on the outer side of the outer cover 20, which facilitates the installation of the air bag and the outer cover. Specifically, the air bag 10 is provided with a pair of first mating members 101, and the outer cover 20 is provided with a pair of second mating members 212. The pair of second mating members 212 can be in the form of through holes, slots, or slits, and are respectively provided in a one-to-one correspondence with the pair of first mating members 101, so that the pair of first mating members 101 can pass through the pair of second mating members 212 respectively. That is, the first mating member 101 on the left side of the figure passes through the second mating member 212 on the left side, and the first mating member 101 on the right side of the figure passes through the second mating member 212 on the right side, so that after passing through, it can be positioned on the outer side of the outer cover 20. For example, the pair of second mating parts 212 can be respectively located at the lower part of the first branch 11 and the second branch 12. When worn by, for example, a cyclist, the pair of second mating parts 212 will be located approximately at their abdomen, facilitating the cyclist's operation of the first mating parts 101 after they have passed through the second mating parts 212, so that the pair of first mating parts can engage with each other. In one example, the pair of first mating parts 101 can be fasteners, and they are fastened together on the outside of the outer cover 20 to secure the outer cover and the air bag. Of course, this is just an example, and the form of the first mating parts is not limited to fasteners; other mating structures are also possible.

[0041] It is understood that in this embodiment, although only the first fitting of the air bag passes through the second fitting of the outer cover (e.g., through a hole), and the air bag and the outer cover are not directly fixed, the air bag forms a roughly triangular closed structure after being fixed by the first fitting. Therefore, the air bag can be stably positioned inside the outer cover without significant relative movement. Simultaneously, a pair of first fasteners also serve to fix the first branch and the second branch together. That is, the first fasteners integrate the functions of fixing the air bag and the outer cover, as well as fixing the first and second branches, thus combining the rider's wearing of the air bag and the fixing of the air bag to the outer cover into a single action. As mentioned above, although exemplary embodiments of the invention have been described with reference to the accompanying drawings, the invention is not limited to the specific embodiments described above, and the scope of protection of the invention should be defined by the claims and their equivalents.

Claims

1. A safety backpack (1), comprising: Airbag (10), which has an deployed state and a retracted state; and The outer cover (20) includes a first layer (21) and a second layer (22) connected together, and the first layer (21) and the second layer (22) together define an inner cavity for accommodating the air bag (10); Its features are, The first layer (21) also includes a folded portion (211) formed by folding its predetermined section. When a preset condition is met, the air bag (10) changes from a stored state to an unfolded state, and the folded portion (211) changes from a folded state to a flat state, so that the second layer (22) originally contained in the folded portion (211) is exposed and the area of ​​the first layer (21) is increased at the same time, so that the air bag (10) in the unfolded state is still completely contained in the inner cavity.

2. The safety backpack (1) according to claim 1, wherein, When the folded portion (211) changes from a folded state to a flat state, the predetermined segment of the first layer (21) flips from a position on a different layer from other segments to a position on the same layer as other segments.

3. The safety backpack (1) according to claim 2, wherein, On the first layer (21), there is also a fastener for keeping the folded part (211) in a folded state. The fastener includes a first fastener and a second fastener that are fixed at different positions on the folded part (211) and connected to each other. When the air bag (10) changes from a stored state to an unfolded state, the first fastener and the second fastener automatically separate under the action of the air bag (10) to release the folded state of the folded part (211).

4. The safety backpack (1) according to claim 3, wherein, The outer cover (20) includes a main body (13), a first branch (11) and a second branch (12) extending from the main body (13) in different directions, and the fold (211) extends continuously on the first branch (11), the main body (13) and the second branch (12).

5. The safety backpack (1) according to claim 4, wherein, Each of the first branch (11) and the second branch (12) includes two folds (211), and the edges of the two folds (211) are abutted or overlapped together in the folded state and fixed together by the fastener.

6. The safety backpack (1) according to claim 4, wherein, It also includes a gas generator disposed at the main body (13) and a control module for controlling the gas generator, wherein the gas generator is connected to the vent of the air bag (10) for filling the air bag (10) with the generated gas through the vent.

7. The safety backpack (1) according to claim 1, wherein, The folded portion (211) extends along the length direction of each of the first branch portion (11) and the second branch portion (12), respectively. And / or, The second layer (22) is also provided with a warning section, and the warning section includes warning information.

8. The safety backpack (1) according to claim 2, wherein, The fastener is provided as Velcro, zipper, or button. And / or, The first layer (21) and the second layer (22) are made of flexible materials of different colors, and the warning part is configured to have a bright color.

9. The safety backpack (1) according to claim 1, wherein, The air bag (10) is provided with a first mating part (101), and the inner side of the outer cover (20) is provided with a second mating part (212). The first mating part (101) and the second mating part (212) cooperate with each other to fix the air bag (10) and the outer cover (20).

10. The safety backpack (1) according to claim 1, wherein, The air bag (10) is provided with a pair of first mating parts (101), and the outer cover (20) is provided with a pair of second mating parts (212). After the pair of first mating parts (101) pass through the pair of second mating parts (212), they are mated to each other on the outside of the outer cover (20) to fix the air bag (10) and the outer cover (20).

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