Backpack with vacuum area

By installing a pump-free valve on the backpack, the problem of the inconvenience of needing an electric pump to pump air out of existing backpacks is solved, realizing a pump-free compression function and convenient use.

CN223682115UActive Publication Date: 2025-12-19ZHONGSHAN TAILI HOUSEHOLD PROD MFG
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Patent Information

Application Number
CN202520175146.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2025-12-19
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

Existing backpacks with vacuum zones require an electric pump to remove air, which is inconvenient to use.

Method used

It adopts a valveless design, and the gas is expelled by squeezing the vacuum bag or backpack body to achieve the compression function, without the need for an electric pump.

Benefits of technology

It achieves the ability to compress the internal volume of a backpack without an electric pump, making it convenient to use and facilitating the sorting of items and space utilization.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223682115U_ABST
Patent Text Reader

Abstract

The backpack with the vacuum area comprises a backpack body, a vacuum bag and an air extraction-free valve, a first containing cavity is formed in the backpack body, the vacuum bag is arranged on the backpack body and located in the first containing cavity, a second containing cavity is formed in the vacuum bag, the air extraction-free valve is arranged on the vacuum bag, and the air extraction-free valve can exhaust air outwards in a one-way mode from the second containing cavity. According to the backpack, the extraction-free valve is arranged on the vacuum bag, the second containing cavity can be compressed by extruding the vacuum bag or the whole backpack body, air in the second containing cavity is discharged in a one-way mode through the extraction-free valve, the compression function is achieved, an extraction pump does not need to be adopted, and use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the knapsack related technical field, especially a knapsack with vacuum area. BACKGROUND

[0002] There is a knapsack with vacuum area on the market, which can compress the volume, make the knapsack place more articles, and also make the knapsack volume more compact, in the prior art, a gas valve is generally arranged on the knapsack, the gas valve can open or close the inner cavity of the vacuum area, then the electric pump is used to pump air, the electric pump can be connected with the gas valve, the electric pump pumps air in the vacuum area after the gas valve is opened, the gas valve is closed after pumping air is completed, and then the electric pump is removed, therefore, the knapsack needs the electric pump to pump air, and the use is relatively inconvenient. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a knapsack with vacuum area, which can solve the problem that the electric pump is used for pumping air and is inconvenient to use.

[0004] The knapsack with vacuum area according to the first aspect of the utility model comprises a knapsack body, a vacuum bag and a pump-free valve, the knapsack body has a first containing cavity, the vacuum bag is arranged in the knapsack body and located in the first containing cavity, the vacuum bag has a second containing cavity, and the pump-free valve is arranged in the vacuum bag and can unidirectionally exhaust air from the second containing cavity.

[0005] The knapsack with vacuum area according to the utility model has at least the following beneficial effects: the pump-free valve is arranged on the vacuum bag, the second containing cavity can be compressed by extruding the vacuum bag or the whole knapsack body, air in the second containing cavity is unidirectionally exhausted through the pump-free valve, and the compression function is realized, so that the electric pump is not needed, and the use is convenient.

[0006] According to some embodiments of the utility model, the vacuum bag is provided with at least one separation part, and the separation part can separate the second containing cavity into at least two sub-containing cavities.

[0007] According to some embodiments of the utility model, the vacuum bag is detachably connected to the knapsack body.

[0008] According to some embodiments of the utility model, the vacuum bag is provided with a first magic tape, the knapsack body is provided with a second magic tape, and the first magic tape can be connected with the second magic tape.

[0009] According to some embodiments of the utility model, the vacuum bag is square in shape.

[0010] According to some embodiments of the utility model, the backpack body includes first slot body part and second slot body part, first slot body part with second slot body part can be connected to form the first containing cavity, the vacuum bag is connected in first slot body part, second slot body part is equipped with independent bag body, independent bag body is used for placing power pump.

[0011] According to some embodiments of the utility model, the vacuum bag is provided with a sealing zipper.

[0012] According to some embodiments of the utility model, the sealing zipper includes zipper head, zipper rail and sealing rib, the sealing rib is located on the side of the zipper rail away from the second containing cavity, the zipper head can drive the zipper rail to engage, and can drive the sealing rib to close.

[0013] According to some embodiments of the utility model, the sealing zipper has an opening direction and a closing direction, the zipper rail is provided with a prompt section near the closing direction, and the zipper head can shield the prompt section when the sealing zipper is closed.

[0014] According to some embodiments of the utility model, the vacuum bag is provided with a pull ring, the sealing zipper has an opening direction and a closing direction, and the pull ring is arranged at one end of the sealing zipper close to the closing direction.

[0015] According to some embodiments of the utility model, the backpack body further includes a telescopic structure, the telescopic structure is arranged between the first slot body part and the second slot body part, the telescopic structure has a retracted state and an expanded state, in the retracted state, the telescopic structure can drive the first slot body part and the second slot body part to move towards each other to reduce the volume of the first containing cavity, and in the expanded state, the telescopic structure can drive the first slot body part and the second slot body part to move away from each other to increase the volume of the first containing cavity.

[0016] According to some embodiments of the utility model, the telescopic structure includes a first chain track, a telescopic part and a second chain track, the first chain track is arranged on one side of the telescopic part, the second chain track is arranged on the other side of the telescopic part, in the retracted state, the first chain track and the second chain track are pulled together to fold the telescopic part.

[0017] According to some embodiments of the utility model, the backpack body has a backrest part, the backrest part is provided with a support plate, an elastic body and a honeycomb structure from inside to outside.

[0018] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0020] Figure 1 is a general schematic view of the embodiment of the present utility model;

[0021] Figure 2 is a structural schematic view of the backpack body opened;

[0022] Figure 3 is a structural schematic view of the backpack body after the vacuum bag is detached;

[0023] Figure 4 is a back surface schematic view of the vacuum bag;

[0024] Figure 5 is a structural schematic view of opening the vacuum bag;

[0025] Figure 6 is a sectional view of the sealing zipper.

[0026] Reference signs:

[0027] backpack body 100, second magic tape 110, first slot body part 120, second slot body part 130, independent bag body 131, telescopic structure 140, first chain track 141, telescopic part 142, second chain track 143;

[0028] vacuum bag 200, second accommodating cavity 210, partitioned accommodating cavity 211, partition part 220, first magic tape 230, sealing zipper 240, zipper head 241, zipper track 242, sealing rib 243, pull ring 250;

[0029] air-free valve 300. DETAILED DESCRIPTION

[0030] The embodiments of the present utility model are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and cannot be understood as a limitation of the present utility model.

[0031] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" are the orientation or positional relation based on the orientation or positional relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0032] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] Referring to Figures 1-2 A backpack with a vacuum area according to the first aspect embodiment of the utility model, including backpack body 100, vacuum bag 200 and free air valve 300, the first containing cavity is formed in the backpack body 100, the vacuum bag 200 is arranged in the backpack body 100 and is located in the first containing cavity, the second containing cavity 210 is formed in the vacuum bag 200, the free air valve 300 is arranged in the vacuum bag 200, and the free air valve 300 can unidirectionally exhaust from the second containing cavity 210. By arranging the free air valve 300 on the vacuum bag 200, the second containing cavity 210 can be compressed by extruding the vacuum bag 200 or the whole backpack body 100, and the gas in the second containing cavity 210 is unidirectionally exhausted through the free air valve 300, so that the compression function is realized, and the air pump is not needed, and the use is convenient.

[0034] Specifically, the backpack body 100 can be carried by a user, and the vacuum bag 200 is arranged in the first accommodating cavity, and the specific arrangement position is not limited here, the second accommodating cavity 210 in the vacuum bag 200 can place objects, the air release valve 300 can be one-way exhaust to the outside, the user can place objects in the second accommodating cavity 210, and then compress the vacuum bag 200 through an external force, so that the air in the vacuum bag 200 is discharged through the air release valve 300, thereby realizing volume compression, reducing the occupied space of the first accommodating cavity, thereby being capable of expanding the other space available for the first accommodating cavity, without using an electric pump to exhaust air, facilitating use, and also being capable of fully utilizing the space of the backpack body 100.

[0035] It can be understood that the air release valve 300 can also be used with the air pump, thereby being capable of realizing both manual exhaust and electric exhaust.

[0036] With reference to Figure 5 In some embodiments of the present application, at least one partition 220 is arranged in the vacuum bag 200, and the partition 220 can divide the second accommodating cavity 210 into at least two sub-accommodating cavities 211. Specifically, the partition 220 can divide two sub-accommodating cavities 211 in the vacuum bag 200, thereby being capable of facilitating classified storage of objects and good storage effect.

[0037] With reference to Figures 2-4 In some embodiments of the present application, the vacuum bag 200 is detachably connected to the backpack body 100. Specifically, the vacuum bag 200 can be detached to facilitate storage of objects, and also being capable of facilitating extrusion of the vacuum bag 200, facilitating exhaust and compression of space, and finally mounting the processed vacuum bag 200 on the backpack body 100, thereby being convenient to operate, and if one vacuum bag 200 is damaged, another vacuum bag 200 can be replaced, thereby being low in use cost.

[0038] With reference to Figures 3-4 In some embodiments of the present application, the vacuum bag 200 is provided with a first magic tape 230, the backpack body 100 is provided with a second magic tape 110, and the first magic tape 230 can be connected with the second magic tape 110. Specifically, the first magic tape 230 can be arranged on the vacuum bag 200, and the second magic tape 110 can be arranged at a corresponding position in the backpack body 100, the first magic tape 230 and the second magic tape 110 can be adhesively connected, so that the vacuum bag 200 can be conveniently detached from the backpack body 100, and compared with a sewing connection mode, the vacuum bag 200 of the present embodiment is not easy to be damaged.

[0039] It can be understood that the detachable structure can also be provided as a buckle structure, the clamping block can be arranged on one of the vacuum bag 200 or the backpack body 100, and the clamping groove can be arranged on the other, thereby being capable of realizing clamping connection.

[0040] With reference to Figure 2 And Figure 5 In some embodiments of the present application, the vacuum bag 200 is provided in a square three-dimensional shape. Specifically, the square three-dimensional vacuum bag 200 can facilitate the taking of objects, and has a large capacity and can accommodate a large number of objects.

[0041] It can be understood that the vacuum bag 200 can also be provided in different shapes such as a cylindrical shape, a polygonal shape, etc.

[0042] With reference to Figures 2-3 In some embodiments of the present application, the backpack body 100 includes an expandable first groove body 120 and a second groove body 130, the first groove body 120 and the second groove body 130 can be connected to form a first accommodating cavity, the vacuum bag 200 is connected in the first groove body 120, and the second groove body 130 is provided with an independent bag body 131 for placing an electric pump. Specifically, the first groove body 120 and the second groove body 130 can be connected on one side close to each other, so that the first groove body 120 and the second groove body 130 can be folded or opened in a direction opposite to each other, when folded, a first accommodating cavity can be formed, when opened, objects can be easily taken, and the vacuum bag 200 can be connected to the first groove body 120 and placed in the first groove body 120, while the second groove body 130 is provided with an independent bag body, the independent bag body 131 can place an electric pump, so as to facilitate the vacuum bag 200 to be pumped, and the independent bag body 131 can not be easily lost by being provided.

[0043] With reference to Figures 5-6 In some embodiments of the present application, the vacuum bag 200 is provided with a sealing zipper 240. Specifically, the sealing zipper 240 can open the second accommodating cavity 210, which is convenient to open and close, so as to facilitate the user to take the objects, and has good sealing performance and is not easy to leak.

[0044] With reference to Figures 5-6 In some embodiments of the present application, the sealing zipper 240 includes a zipper head 241, a zipper rail 242 and a sealing rib 243, the sealing rib 243 is located on the side of the zipper rail 242 away from the second accommodating cavity 210, the zipper head 241 can drive the zipper rail 242 to engage, and can drive the sealing rib 243 to close. Specifically, the zipper head 241 and the zipper rail 242 are a conventional zipper matching structure, and the sealing rib 243 is on the outside, and can cooperate with the sealing rib 243 when the zipper head 241 moves, so as to be pressed and sealed, and when the zipper head 241 is opened, the sealing rib 243 can also be opened, the second accommodating cavity 210 is opened, and through the above structure, the opening can be sealed and closed.

[0045] In some embodiments of the utility model, the sealing zipper 240 has an opening direction and a closing direction, the zipper rail 242 is provided with a prompt section near the closing direction, and the zipper head 241 can shield the prompt section when the sealing zipper 240 is closed. Specifically, when the sealing zipper 240 is pulled towards the opening direction, the vacuum bag 200 can be opened, and when the sealing zipper 240 is pulled towards the closing direction, the vacuum bag 200 can be closed. The zipper rail 242 is provided with a prompt section at the end of the closing direction. The prompt section can be set to a conspicuous warning color. When not closed in place, the prompt section is exposed, which can remind the user that it has not been closed in place. Only when closed in place, the zipper head 241 can shield the prompt section. When the prompt section is shielded, the user can perceive that the sealing zipper 240 has been closed in place.

[0046] Referring to Figures 5-6 In some embodiments of the utility model, the vacuum bag 200 is provided with a pull ring 250, and the sealing zipper 240 has an opening direction and a closing direction. The pull ring 250 is arranged at one end of the sealing zipper 240 near the closing direction. Specifically, the pull ring 250 can be held by the user, and at one end of the closing direction, the user can hold the pull ring 250 with one hand and pull the zipper head 241 towards the opening direction with the other hand, so as to open the vacuum bag 200, which is convenient for the user to operate.

[0047] Referring to Figure 1 In some embodiments of the utility model, the backpack body 100 further comprises a telescopic structure 140, which is arranged between the first groove body part 120 and the second groove body part 130. The telescopic structure 140 has a retracted state and an expanded state. In the retracted state, the telescopic structure 140 can drive the first groove body part 120 and the second groove body part 130 to move towards each other to reduce the volume of the first accommodating cavity. In the expanded state, the telescopic structure 140 can drive the first groove body part 120 and the second groove body part 130 to move away from each other to increase the volume of the first accommodating cavity. Specifically, the telescopic structure 140 can adjust the position between the first groove body part 120 and the second groove body part 130. The specific structure of the telescopic structure 140 is not limited here. When the volume required by the backpack is small, the telescopic structure 140 can be adjusted to the retracted state. At this time, the first groove body part 120 and the second groove body part 130 can move close to each other, thereby reducing the overall volume of the backpack. When the telescopic structure 140 is adjusted to the expanded state, the first groove body part 120 and the second groove body part 130 can expand away from each other, thereby increasing the volume of the first accommodating cavity. Through the above structure, the size of the backpack can be reasonably adjusted to meet the use requirements.

[0048] Referring to Figure 1In some embodiments of the utility model, telescopic structure 140 includes first chain track 141, telescopic part 142 and second chain track 143, first chain track 141 is located at one side of telescopic part 142, second chain track 143 is located at the other side of telescopic part 142, first chain track 141 and second chain track 143 are pulled together, and telescopic part 142 can be driven to fold. Specifically, telescopic part 142 can be provided as a fabric structure that can be folded and stored, and first chain track 141 and second chain track 143 can be pulled together by zipper, when first chain track 141 and second chain track 143 are pulled together, telescopic part 142 can be compressed and folded, when first chain track 141 and second chain track 143 are opened, telescopic part 142 can be unfolded, so that telescopic adjustment is realized.

[0049] In some embodiments of the utility model, backpack body 100 has a backrest part, which is provided with a support plate, an elastic body and a honeycomb structure from inside to outside. Specifically, the support plate can provide support for the objects in the first containing cavity, the elastic body can provide elastic cushioning for the back of the user to improve comfort, and the outermost honeycomb structure can ventilate and ventilate to improve the comfort of the user when carrying.

[0050] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A backpack having a vacuum zone, characterized in that, The utility model relates to a kind of vacuum bag and backpack, including: Backpack body (100), with first containing cavity (110) in it; Vacuum bag (200), be located in the first containing cavity (110) in the backpack body (100), the second containing cavity (210) is in the vacuum bag (200); Extraction-free valve (300), be located in the vacuum bag (200), the extraction-free valve (300) can be one-way exhaust from the second containing cavity (210) to outside.

2. A backpack with a vacuum zone according to claim 1, characterized in that At least one partition (220) is provided in the vacuum bag (200), and the partition (220) can divide the second containing cavity (210) into at least two sub-zone containing cavities (211).

3. A backpack with a vacuum zone according to claim 1, characterized in that, The vacuum bag (200) is detachably connected to the backpack body (100).

4. A backpack with a vacuum zone according to claim 3, characterized in that The vacuum bag (200) is provided with a first magic tape (230), and the backpack body (100) is provided with a second magic tape (120), and the first magic tape (230) can be connected with the second magic tape (120).

5. The backpack with a vacuum zone according to claim 1, characterized in that, The vacuum bag (200) is provided as a square solid.

6. A backpack with a vacuum zone according to claim 5, characterized in that The backpack body (100) includes a first slot body (130) and a second slot body (140), and the first slot body (130) and the second slot body (140) can be connected to form the first containing cavity (110). The vacuum bag (200) is connected in the first slot body (130), and the second slot body (140) is provided with an independent bag body (141) for placing a power pump.

7. The backpack with a vacuum zone according to claim 1, characterized in that, The vacuum bag (200) is provided with a sealed zipper (240).

8. A backpack with a vacuum zone according to claim 7, characterized in that The sealed zipper (240) includes a zipper head (241), a zipper rail (242) and a sealing rib (243), and the sealing rib (243) is located on the side of the zipper rail (242) away from the second containing cavity (210). The zipper head (241) can drive the zipper rail (242) to engage and can drive the sealing rib (243) to close.

9. A backpack with a vacuum zone according to claim 8, characterized in that The sealed zipper (240) has an opening direction and a closing direction, and the zipper rail (242) is provided with a prompt section near the closing direction. When the sealed zipper (240) is closed, the zipper head (241) can block the prompt section.

10. The backpack with a vacuum zone according to claim 7, characterized in that, The vacuum bag (200) is provided with a pull ring (250), and the sealed zipper (240) has an opening direction and a closing direction. The pull ring (250) is located at one end of the sealed zipper (240) near the closing direction.

11. The backpack with a vacuum zone according to claim 6, characterized in that, The backpack body (100) further comprises a telescopic structure (150) arranged between the first groove body (130) and the second groove body (140), the telescopic structure (150) having a retracted state and an expanded state, in the retracted state, the telescopic structure (150) can drive the first groove body (130) and the second groove body (140) to move towards each other to reduce the volume of the first accommodating cavity (110), in the expanded state, the telescopic structure (150) can drive the first groove body (130) and the second groove body (140) to move away from each other to increase the volume of the first accommodating cavity (110).

12. A backpack with a vacuum zone according to claim 11, characterized in that The telescopic structure (150) comprises a first chain track (151), a telescopic part (152) and a second chain track (153), the first chain track (151) is arranged on one side of the telescopic part (152), the second chain track (153) is arranged on the other side of the telescopic part (152), in the retracted state, the first chain track (151) and the second chain track (153) are pulled together to drive the telescopic part (152) to fold.

13. The backpack with a vacuum zone of claim 1, wherein, The backpack body (100) has a backrest part, the backrest part is sequentially provided with a support plate, an elastic body and a honeycomb structure from inside to outside.