Picnic bag with variable space

Abstract

The utility model provides a variable space picnic bag which comprises a main body, an upper cover and an auxiliary box located between the main body and the upper cover, a storage cavity is formed in the main body, an extension ring is sewn on the side, facing the upper cover, of the auxiliary box, a first zipper is arranged on the outer wall of the extension ring, the first zipper comprises zipper teeth, a puller and a braid, and the zipper teeth are connected with the zipper teeth. The two rows of zipper teeth are fixed to the two woven belts respectively, the puller is connected between the two rows of zipper teeth in a sliding mode, one ends of the woven belts are fixed to the middle of the extension ring, the other ends of the woven belts extend towards the edge of the extension ring and surround the edge of the extension ring, and the two woven belts are symmetrically arranged along the center line of the extension ring. The starting point of the braid is located in the closed space of the two rows of zipper teeth, the end, away from the auxiliary box, of the extension ring is connected with the upper cover, the end, away from the extension ring, of the auxiliary box is connected with the main body, and the purpose of meeting the requirements of users in different scenes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a backpack, in particular to a variable space picnic bag. BACKGROUND

[0002] Picnic activities are increasingly popular with people, so the demand for multifunctional picnic bags has also increased. The existing picnic bags are usually designed to be unfolded into a picnic mat, which is convenient for carrying food and utensils.

[0003] Chinese patent authorized announcement number CN221807841U discloses a multifunctional picnic bag, which comprises a cloth bag, a handle, a sub-buckle and a female buckle fixedly connected on the cloth bag, and a zipper sewn on the cloth bag. The cloth bag is also provided with vertical and horizontal outward folding lines. The design forms a bag by pulling the zipper, and the sub-buckle and the female buckle are buckled to hold the articles; when the zipper is opened and the sub-buckle and the female buckle are separated and laid flat, the cloth bag can be used as a picnic mat. The vertical and horizontal outward folding lines are used to guide folding, which is convenient for users to arrange.

[0004] However, the multifunctional picnic bag in the prior art has a significant limitation: when more articles need to be carried, the storage space is insufficient. This design cannot provide additional expansion space to store more food, drinks or other picnic supplies, thereby greatly reducing its practicability. Therefore, the market urgently needs a multifunctional picnic bag that can provide additional storage space when in use to meet the needs of users in different scenarios. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a variable space picnic bag to meet the needs of users in different scenarios.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a variable space picnic bag, comprising a main body and an upper cover, a storage cavity is formed in the main body, and an auxiliary box is located between the main body and the upper cover, an extension ring is sewn on one side of the auxiliary box facing the upper cover, a first zipper is arranged on the outer wall of the extension ring, the first zipper comprises a chain tooth, a pull head and a webbing, two rows of chain teeth are fixed on two webbings respectively, the pull head is slidably connected between the two rows of chain teeth, one end of the webbing is fixed to the middle part of the extension ring, the other end of the webbing extends to the edge of the extension ring and wraps around the edge of the extension ring, the two webbings are symmetrically arranged along the center line of the extension ring, the starting point of the webbing is located inside the space closed by the two rows of chain teeth, the end of the extension ring away from the auxiliary box is connected with the upper cover, and the end of the auxiliary box away from the extension ring is connected with the main body.

[0007] The auxiliary box and the upper cover are stacked to form a compact storage space in normal use. When more storage capacity is needed, the user can pull the first zipper on the outer wall of the extension ring to pull the webbing apart at the centerline position of the extension ring, thereby changing the shape of the extension ring, elongating the extension ring, and increasing the vertical space between the auxiliary box and the upper cover. The overall volume of the picnic bag is increased, so that more food, drinks or other picnic supplies can be stored, effectively solving the problem of insufficient storage space in the prior art, improving the practicality of the picnic bag, and meeting the needs of users in different scenarios.

[0008] As a preferred scheme of the present application, a first connecting belt is arranged between the upper cover and the extension ring, both sides of the first connecting belt are sewn on the side wall of the upper cover and the side wall of the extension ring, and a second zipper is connected between the upper cover and the extension ring.

[0009] The first connecting belt can be bent to facilitate lifting the upper cover off the extension ring to facilitate taking out the items from the auxiliary box, and the second zipper can be used to connect the upper cover to the extension ring.

[0010] As a preferred scheme of the present application, a second connecting belt is arranged between the main body and the auxiliary box, both sides of the second connecting belt are sewn on the side wall of the auxiliary box and the side wall of the main body, and a third zipper is connected between the auxiliary box and the main body.

[0011] The third zipper can be pulled open to lift the auxiliary box off the main body to facilitate taking out the items from the main body.

[0012] As a preferred scheme of the present application, a placing bag is arranged on the outer wall of the main body, one side of the placing bag is sewn on the main body, and a fourth zipper is connected between the placing bag and the main body.

[0013] When the user needs to store some frequently used or temporary items, the fourth zipper can be pulled open to put the items into the placing bag. This design provides a convenient external storage option, avoiding frequent opening of the storage cavity or the auxiliary box, thereby improving the instant access efficiency and overall convenience of the picnic bag.

[0014] As a preferred scheme of the present application, a heat insulation layer is connected to the side of the upper cover facing the auxiliary box, the inner wall of the auxiliary box, the bottom wall of the auxiliary box, the inner wall of the extension ring, the inner wall of the main body, and the side of the placing bag facing the main body.

[0015] With the above technical solution, the food and beverage inside the picnic bag can be kept in a range closer to the initial temperature whether the picnic bag is in the compact state or the expanded state. This means that cold drinks can be kept cooler for a longer time, and hot food can be kept warmer for a longer time. This overall heat insulation design greatly prolongs the preservation and palatability time of food and beverage, significantly improves the comfort and convenience of the picnic activity, and allows users to enjoy temperature-appropriate food and beverage outdoors.

[0016] As a preferred embodiment of the present application, a thermal insulation layer is placed in the interlayer of the upper cover, the interlayer of the auxiliary box side wall, the interlayer of the main body side wall, the interlayer of the main body bottom wall, and the interlayer of the placement bag.

[0017] With the above technical solution, when the picnic bag is used, these built-in thermal insulation layers form a complete, multi-level heat insulation barrier. The temperature loss inside is slowed down, ensuring that the temperature of food and beverage can be kept stable for a longer time, which significantly improves the preservation period and palatability of food.

[0018] As a preferred embodiment of the present application, a connecting bag is sewn on the outer wall of the main body, and two connecting bags are located on both sides of the placement bag.

[0019] With the above technical solution, the water cup can be placed in the connecting bag.

[0020] As a preferred embodiment of the present application, a shoulder strap is fixedly connected to the side wall of the main body, and the connection between the shoulder strap and the main body is close to the opening of the connecting bag.

[0021] With the above technical solution, the user can use the shoulder strap fixed to the side wall of the main body to carry the picnic bag.

[0022] As a preferred embodiment of the present application, a first partition and a second partition are provided inside the main body, a third connecting strap is sewn to one end of the first partition, the third connecting strap is sewn to the side wall of the main body away from the first partition, the end of the first partition away from the third connecting strap is connected to the second partition through a fourth connecting strap, a first hanging ring and a second hanging ring are fixedly connected to the inner wall of the main body, the first hanging ring is located above the second hanging ring, a first hanging strap for hanging on the first hanging ring is connected to the first partition, a second hanging strap for hanging on the second hanging ring is connected to the second partition, and a magic tape is connected to the first hanging strap and the second hanging strap.

[0023] When the first hanging strap is hung on the first hanging ring and the second hanging strap is hung on the second hanging ring, a partition cavity is formed between the first partition, the second partition, and the inner wall of the main body.

[0024] When the first hanging strap and the second hanging strap are hung on the corresponding hanging rings respectively, the first partition plate, the second partition plate and the inner wall of the main body jointly enclose an independent partition cavity. This means that the picnic bag can be zoned and managed, effectively separating different types of items to avoid mutual extrusion, contamination or confusion. This adjustable internal partition cavity design not only improves the arrangement efficiency and protection of the items, but also optimizes the space utilization, so that the picnic bag can better adapt to the storage needs in different scenes, significantly improving the practicality and flexibility of the internal space.

[0025] As a preferred scheme of the utility model, the inner wall of the main body is fixedly connected with a third hanging ring for connecting with the second hanging strap, and the distance between the third hanging ring and the bottom wall of the main body is equal to the distance between the first hanging ring and the bottom wall of the main body.

[0026] The above technical scheme is realized, the second hanging strap is hung on the third hanging ring, and the first hanging strap is hung on the first hanging ring, so that the first partition plate and the second partition plate can be arranged in parallel, thereby dividing the internal space of the main body into two parts, thereby providing the user with greater freedom of internal space layout of the main body, and further improving the adaptability and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front structure schematic view of the utility model;

[0028] Figure 2 It is a back structure schematic view of the utility model;

[0029] Figure 3 It is an extended ring unfolded structure schematic view;

[0030] Figure 4 It is a first partition plate and second partition plate position schematic view;

[0031] Figure 5 It is a cross-sectional view of the upper cover;

[0032] Figure 6 It is a second partition plate and a first partition plate arrangement schematic view;

[0033] Figure 7 It is a second partition plate and a first partition plate arrangement schematic view;

[0034] Figure 8 It is a second partition plate and a first partition plate arrangement schematic view;

[0035] Figure 9 It is a second partition plate and two first partition plates arrangement schematic view;

[0036] Figure 10To embody the second partition and two first partition arrangement schematic diagram;

[0037] Figure 11 To embody the second partition and two first partition arrangement schematic diagram;

[0038] Figure 12 To embody the second partition and two first partition arrangement schematic diagram;

[0039] Figure 13 To embody the second partition and two first partition arrangement schematic diagram;

[0040] Figure 14 To embody the second partition and two first partition arrangement schematic diagram.

[0041] Fig. 1, the main body; 2, the upper cover; 3, the storage cavity; 4, the auxiliary box; 5, the extension ring; 6, the first zipper; 7, the chain tooth; 8, the pull head; 9, the braid; 10, the first connecting belt; 11, the second zipper; 12, the second connecting belt; 13, the third zipper; 14, the placing bag; 15, the fourth zipper; 16, the connecting bag; 17, the shoulder strap; 18, the heat preservation layer; 19, the heat insulation layer; 20, the first partition; 21, the second partition; 22, the third connecting belt; 23, the fourth connecting belt; 24, the first hanging ring; 25, the second hanging ring; 26, the first hanging belt; 27, the magic tape; 28, the second hanging belt; 29, the third hanging ring. DETAILED DESCRIPTION

[0042] The specific embodiments of the utility model are further described in detail below in combination with the drawings, so that the technical scheme of the utility model is more easily understood and mastered.

[0043] A variable space picnic bag, including main body 1, upper cover 2, upper cover 2 is located in the upper of main body 1, there is storage cavity 3 on main body 1.In the side of auxiliary box 4 towards upper cover 2, there is extension ring 5, first zipper 6 is arranged on the outer wall of extension ring 5, and first zipper 6 includes chain tooth 7, pull head 8 and braid 9.Two rows of chain tooth 7 are fixed on two braid 9 respectively, and pull head 8 is slidably connected between two rows of chain tooth 7.

[0044] One end of braid 9 is fixed to the middle part of extension ring 5, and the other end of braid 9 extends to the edge of extension ring 5 and surrounds the edge of extension ring 5, and two braid 9 are symmetrically arranged along the middle line of extension ring 5.The starting point of braid 9 is located in the space inside the closed two rows of chain tooth 7.

[0045] First zipper 6 is opened, so that extension ring 5 is unfolded, so that the space between upper cover 2 and auxiliary box 4 is enlarged, and first zipper 6 is closed, and the middle part of extension ring 5 is bent inward, so that the space between upper cover 2 and auxiliary box 4 is reduced.

[0046] The first connecting belt 10 is arranged between the upper cover 2 and the extension ring 5, and is sewn on the side wall of the upper cover 2 and the side wall of the extension ring 5.

[0047] The second connecting belt 12 is arranged between the main body 1 and the auxiliary box 4, and is sewn on the side wall of the auxiliary box 4 and the side wall of the main body 1.

[0048] The placing bag 14 is arranged on the outer wall of the main body 1, and the lower side of the placing bag 14 is sewn on the main body 1.

[0049] The connecting bag 16 is sewn on the outer wall of the main body 1, and two connecting bags 16 are arranged on the two sides of the placing bag 14.

[0050] The shoulder strap 17 is fixedly connected to the side wall of the main body 1, and the connecting position of the shoulder strap 17 and the main body 1 is close to the opening of the connecting bag 16.

[0051] The heat preservation layer 18 is arranged in the interlayer of the upper cover 2, the interlayer of the side wall of the auxiliary box 4, the interlayer of the side wall of the main body 1, the interlayer of the bottom wall of the main body 1 and the interlayer of the placing bag 14.

[0052] The heat insulation layer 19 is fixedly connected to the side of the upper cover 2 facing the auxiliary box 4, the inner wall of the auxiliary box 4, the bottom wall of the auxiliary box 4, the inner wall of the extension ring 5, the inner wall of the main body 1 and the side of the placing bag 14 facing the main body 1.

[0053] The first partition plate 20 and the second partition plate 21 are arranged in the storage cavity 3.

[0054] The fourth connecting belt 23 is connected to the second partition plate 21 at the end of the first partition plate 20 away from the third connecting belt 22, and the two ends of the fourth connecting belt 23 are sewn on the first partition plate 20 and the second partition plate 21 respectively, so that the second partition plate 21 can be flipped along the fourth connecting belt 23.

[0055] A plurality of first hanging rings 24 and a plurality of second hanging rings 25 are sewn on the inner wall of the main body 1. The first hanging rings 24 are above the second hanging rings 25, and the first hanging rings 24 are transversely arranged and the second hanging rings 25 are longitudinally arranged. The distance between the first hanging rings 24 and the bottom wall of the storage cavity 3 is similar to the distance between the third connecting belt 22 and the bottom wall of the storage cavity 3, that is, the horizontal height between the first hanging rings 24 and the third connecting belt 22 is similar.

[0056] A first hanging belt 26 is sewn on the first partition plate 20, and a magic tape 27 is sewn on the surface of the first hanging belt 26. The first hanging belt 26 passes through the first hanging ring 24 and adheres the magic tape 27, so that the first partition plate 20 is transversely arranged, and the first partition plate 20 is kept stable by the pulling force of the magic tape 27 and the first hanging belt 26. A second hanging belt 28 is sewn on the second partition plate 21, and a magic tape 27 is sewn on the surface of the second hanging belt 28. The second hanging belt 28 passes through the second hanging ring 25 and adheres the magic tape 27, so that the second partition plate 21 is longitudinally arranged. At this time, a partition cavity is formed between the first partition plate 20, the second partition plate 21, and the inner wall of the main body 1.

[0057] In addition, the first hanging belt 26 can be separated from the first hanging ring 24, and the second hanging belt 28 can be separated from the second hanging ring 25. At this time, the first partition plate 20 is attached to the side wall of the storage cavity 3, and the second partition plate 21 is attached to the bottom wall of the storage cavity 3.

[0058] The first hanging ring 24 and the third connecting belt 22 are located in the middle of the storage cavity 3.

[0059] A plurality of third hanging rings 29 for connecting with the second hanging belt 28 are sewn on the inner wall of the main body 1. The third hanging rings 29 are arranged in a group. The distance between the third hanging rings 29 and the bottom wall of the main body 1 is equal to the distance between the first hanging rings 24 and the bottom wall of the main body 1, and the third hanging rings 29 are transversely arranged.

[0060] The first hanging ring 24, the second hanging ring 25, and the third hanging ring 29 are all made of a woven belt.

[0061] The first hanging belt 26 is connected with the first hanging ring 24, and the second hanging belt 28 is connected with the third hanging ring 29. At this time, the storage cavity 3 can be divided into two parts by the first partition plate 20 and the second partition plate 21.

[0062] The length of the first partition plate 20 is less than the length of the second partition plate 21.

[0063] The extension ring 5 is unfolded and shrunk by opening and closing the first zipper 6, so as to flexibly adjust the space size between the upper cover 2 and the auxiliary box 4, and meet different volume requirements; the closure of the fourth zipper 15 forms an additional cavity between the placing bag 14 and the outer wall of the main body 1; the first partition plate 20 and the second partition plate 21 can realize multiple separation modes of horizontal placement, vertical placement or adhesion to the side wall and the bottom wall through the first hanging belt 26 and the second hanging belt 28 connected with the magic tape 27 on the first hanging ring 24, the second hanging ring 25 and the third hanging ring 29, and effectively manage the items in the storage cavity 3.

[0064] Some items can also be hung on the first hanging ring 24, the second hanging ring 25 and the third hanging ring 29.

[0065] Each group of first hanging rings 24 includes two oppositely arranged first hanging rings 24, each group of second hanging rings 25 includes two oppositely arranged second hanging rings 25, and each group of third hanging rings 29 includes two oppositely arranged third hanging rings 29.

[0066] I. Unfolding and folding of the variable space picnic bag

[0067] Increasing the volume of the picnic bag:

[0068] When it is needed to increase the storage space of the picnic bag, the user operates the first zipper 6.

[0069] By pulling the puller 8 of the first zipper 6, the chain teeth 7 are gradually separated, so that the extension ring 5 is gradually unfolded from the inwardly bent state.

[0070] With the unfolding of the extension ring 5, the space between the upper cover 2 and the auxiliary box 4 gradually increases, so that the overall volume of the picnic bag is expanded, and more items can be accommodated.

[0071] Reducing the volume of the picnic bag:

[0072] When it is needed to reduce the storage space of the picnic bag, the user operates the first zipper 6.

[0073] By pulling the puller 8 of the first zipper 6, the chain teeth 7 are gradually closed, forcing the middle part of the extension ring 5 to bend inward.

[0074] With the shrinking of the extension ring 5, the space between the upper cover 2 and the auxiliary box 4 gradually becomes smaller, so that the overall volume of the picnic bag is reduced, which is more convenient for carrying or storing.

[0075] II. Formation and adjustment of the internal partition cavity of the main body 1

[0076] The first partition plate 20 and the second partition plate 21 can flexibly separate the storage cavity 3 into multiple modes through different connection modes, so as to adapt to the storage requirements of different items.

[0077] The first separation mode:

[0078] First, make sure the first partition 20 and the second partition 21 are in the unfixed state (i.e. the first hanging belt 26 is not connected with the first hanging ring 24, and the second hanging belt 28 is not connected with the second hanging ring 25).

[0079] Turn the first partition 20 over so that the first hanging belt 26 passes through the first hanging ring 24 on the inner wall of the main body 1.

[0080] Then, stick the Velcro 27 on the surface of the first hanging belt 26 so that the first partition 20 is in a horizontal state in the storage cavity 3.

[0081] Next, turn the second partition 21 over so that the second hanging belt 28 passes through the second hanging ring 25 on the inner wall of the main body 1.

[0082] Stick the Velcro 27 on the surface of the second hanging belt 28 so that the second partition 21 is in a vertical state in the storage cavity 3.

[0083] At this time, an independent partition cavity is formed between the first partition 20, the second partition 21, and the inner wall of the main body 1, which can be used to store different types of items such as tableware and beverage bottles, preventing them from colliding or confusing each other during movement.

[0084] Second separation mode:

[0085] When the internal partition cavity is not needed or the single space of the storage cavity 3 needs to be maximized, the user disconnects the first hanging belt 26 from the first hanging ring 24 and disconnects the second hanging belt 28 from the second hanging ring 25.

[0086] Since the first partition 20 is connected to the side wall of the main body 1 by the third connecting belt 22, after disconnection, the first partition 20 will be turned over along the third connecting belt 22 and adhere to the side wall of the storage cavity 3.

[0087] Since the second partition 21 is connected to the first partition 20 by the fourth connecting belt 23, when the first partition 20 adheres to the side wall, the second partition 21 will also be turned over and adhere to the bottom wall of the storage cavity 3.

[0088] In this state, a complete and undivided maximum space is formed inside the storage cavity 3, which is convenient for storing large-sized items.

[0089] Third separation mode:

[0090] When the storage cavity 3 needs to be divided into two parts, the user performs the following operations:

[0091] First, connect the first hanging belt 26 with the first hanging ring 24 on the inner wall of the main body 1, and make the first partition 20 in a horizontal state.

[0092] Then, the second hanging belt 28 of the second partition 21 is connected with the third hanging ring 29 on the inner wall of the main body 1.

[0093] The magic tape 27 on the surface of the second hanging belt 28 is adhered, so that the second partition 21 can also form a transverse support or partition in this connection mode.

[0094] At this time, through the cooperation of the first partition 20 and the second partition 21, the storage cavity 3 is effectively divided into two independent areas, for example, the upper part stores food, and the lower part stores tableware or beverages, so that more precise classification and access of articles are realized.

[0095] In addition, two first partitions 20 can also be arranged, that is, a set of first hanging rings 24 is additionally arranged, at this time, the second partition 21 and the two first partitions 20 can have more arrangement modes.

[0096] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A variable space picnic bag, comprising a main body (1), an upper cover (2), a storage cavity (3) is opened on the main body (1), characterized in that: The utility model also includes the auxiliary box (4) between main part (1) and upper cover (2), one side of auxiliary box (4) towards upper cover (2) is sewed with extension ring (5), the outer wall of extension ring (5) is provided with first zipper (6), first zipper (6) includes chain teeth (7), puller (8) and braid (9), two chain teeth (7) are fixed on two braid (9) respectively, puller (8) is connected between two chain teeth (7) slidingly, one end of braid (9) is fixed on the middle part of extension ring (5), the other end of braid (9) extends to the edge of extension ring (5) and surrounds the edge of extension ring (5), two braid (9) are provided along the midline of extension ring (5) symmetry, the starting point of braid (9) is located in the space inside two chain teeth (7) closure, the end of extension ring (5) away from auxiliary box (4) is connected with upper cover (2), the end of auxiliary box (4) away from extension ring (5) is connected with main part (1), the inside of main part (1) is provided with first baffle (20) and second baffle (21), one end of first baffle (20) is sewed with third connecting belt (22), the side of third connecting belt (22) away from first baffle (20) is sewed on the side wall of main part (1), the end of first baffle (20) away from third connecting belt (22) is connected with second baffle (21) through fourth connecting belt (23), the inner wall of main part (1) is fixedly connected with first ring (24) and second ring (25), first ring (24) is located above second ring (25), first baffle (20) is connected with first hanging belt (26) for hanging on first ring (24), second baffle (21) is connected with second hanging belt (28) for hanging on second ring (25), magic tape (27) is connected on first hanging belt (26) and second hanging belt (28). When first hanging belt (26) is hung on first ring (24) and second hanging belt (28) is hung on second ring (25), a cavity is formed between first baffle (20), second baffle (21) and the inner wall of main part (1).

2. A variable spatial picnic bag according to claim 1, characterized in that: First connecting belt (10) is arranged between upper cover (2) and extension ring (5), and the two sides of first connecting belt (10) are sewn on the side wall of upper cover (2) and the side wall of extension ring (5) respectively.

3. A variable spatial picnic bag according to claim 2, characterized in that: Second connecting belt (12) is arranged between main part (1) and auxiliary box (4), and the two sides of second connecting belt (12) are sewn on the side wall of auxiliary box (4) and the side wall of main part (1) respectively.

4. The variable spatial field picnic bag of claim 1, wherein: Third zipper (13) is connected between auxiliary box (4) and main part (1). Placing bag (14) is arranged on the outer wall of main part (1), one side of placing bag (14) is sewn on main part (1), and fourth zipper (15) is connected between placing bag (14) and main part (1).

5. A variable spatial field picnic bag according to claim 4, characterized in that: The side of the upper cover (2) facing the auxiliary box (4), the inner wall of the auxiliary box (4), the bottom wall of the auxiliary box (4), the inner wall of the extension ring (5), the inner wall of the main body (1), and the side of the placing bag (14) facing the main body (1) are all connected with a heat insulation layer (19).

6. A variable spatial field picnic bag according to claim 5, characterized in that: The interlayer of the upper cover (2), the interlayer of the side wall of the auxiliary box (4), the interlayer of the side wall of the main body (1), the interlayer of the bottom wall of the main body (1), and the interlayer of the placing bag (14) are all placed with a heat preservation layer (18).

7. A variable spatial field picnic bag according to claim 4, characterized in that: The outer wall of the main body (1) is sewn with a connecting bag (16), and the two connecting bags (16) are respectively located on the two sides of the placing bag (14).

8. A variable spatial field picnic bag according to claim 7, characterized in that: The side wall of the main body (1) is fixedly connected with a shoulder strap (17), and the connection between the shoulder strap (17) and the main body (1) is close to the opening of the connecting bag (16).

9. The variable spatial footprint picnic bag of claim 1, wherein: The inner wall of the main body (1) is fixedly connected with a third hanging ring (29) for connecting with a second hanging belt (28), and the distance between the third hanging ring (29) and the bottom wall of the main body (1) is equal to the distance between the first hanging ring (24) and the bottom wall of the main body (1).

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