Multifunctional sleeping bag

Abstract

A multifunctional sleeping bag comprises a blanket and a cap. A cap connecting opening is formed in the middle of the blanket, and the local edge of the blanket serves as a cap connecting edge; the cap can be detachably connected with the cap connecting opening of the blanket and can also be detachably connected with the cap connecting edge of the blanket. Compared with the prior art, the cap of the multifunctional sleeping bag can play a role in keeping warm no matter in a cloak state or a sleeping bag state.

Description

TECHNICAL FIELD

[0001] The utility model relates to clothing field, especially a kind of multifunctional sleeping bag. BACKGROUND

[0002] In outdoor activities such as hiking, cross-country, it is often necessary to carry a variety of warm equipment, such as wearing a cloak when hiking outdoors, and using a sleeping bag when resting at night. Carrying multiple warm equipment will bring too much burden for outdoor hiking.

[0003] Therefore, a multifunctional sleeping bag that can be transformed between cloak and sleeping bag shape appears. This kind of multifunctional sleeping bag usually includes a blanket with an opening in the middle, and a hat fixedly connected to the edge of the opening in the middle of the blanket, and the edge of the blanket is provided with a partially surrounding zipper. In the cloak shape, all the zippers at the edge of the blanket are opened, the user's head can pass out from the opening in the middle of the blanket, the hat is wrapped around the head, the blanket is placed on the user's shoulder, and the edge of the blanket naturally falls down. In the sleeping bag shape, the zippers surrounding the edge of the blanket are closed to make the blanket into a sleeping bag shape. SUMMARY

[0004] Therefore, the utility model aims to overcome the defects or deficiencies of the prior art, and provides a multifunctional sleeping bag.

[0005] A multifunctional sleeping bag includes a blanket and a hat. The middle of the blanket is provided with a hat opening, and part of the edge serves as a hat edge. The hat can be detachably connected to the hat opening of the blanket or the hat edge of the blanket.

[0006] Compared with the prior art, the hat of the multifunctional sleeping bag can play a warm-keeping role in both cloak and sleeping bag states.

[0007] In an embodiment, a hat opening part is provided along the edge of the hat opening of the blanket, a blanket edge hat part is provided along the hat edge of the blanket, a blanket part is provided along the neck opening of the hat, and the hat is detachably connected to the hat opening part or the blanket edge hat part of the blanket through the blanket part.

[0008] In an embodiment, the hat opening part includes a first hat opening connector and a second hat opening connector, and the first hat opening connector and the second hat opening connector can be detachably connected to each other to close the hat opening. Through the cooperation of the first hat opening connector and the second hat opening connector, the hat opening can be closed in the sleeping bag shape, and the warm-keeping performance of the multifunctional sleeping bag is improved.

[0009] In an embodiment, the edge-together portion of the hat comprises a first edge-together connector and a second edge-together connector; the edge-together portion of the blanket comprises a first edge-together connector and a second edge-together connector; the first edge-together connector of the hat can be detachably paired with the first hood connector or the first edge-together connector of the blanket respectively; the second edge-together connector of the hat can be detachably paired with the second hood connector or the second edge-together connector of the blanket respectively.

[0010] In an embodiment, a fold-together connector is further provided along the remaining or partial edges of the blanket other than the edge-together portion; the fold-together connector is used to close the blanket by folding to form a sleeping bag shape.

[0011] In an embodiment, the fold-together connector comprises a first connecting segment and a second connecting segment which can be engaged with each other; the line between the fold point formed by the engagement of the first connecting segment and the second connecting segment on the edge of the blanket other than the edge-together portion and the middle point of the edge-together portion is the axis of symmetry of the blanket; or the line between the fold point formed by the engagement of the first connecting segment and the second connecting segment on the edge of the blanket other than the edge-together portion and one of the end points of the edge-together portion is the axis of symmetry of the blanket.

[0012] In an embodiment, the hood opening is a slit which is located on the axis of symmetry of the blanket after the first hood connector and the second hood connector are closed. The hood opening is narrow, which is conducive to reducing the area of the air leakage region and enhancing the warmth retention performance of the multifunctional sleeping bag in the sleeping bag shape. The hood opening is located on the axis of symmetry of the blanket after being closed, and when the blanket is folded, the user can conveniently use the hood opening as the folding positioning point, grasp the blanket from the vicinity of the hood opening, and fold the blanket along the axis of symmetry more quickly and naturally, thereby facilitating the storage or transformation into the sleeping bag shape.

[0013] A wind-blocking strip is further provided at the neck opening of the hat, and when the user wears the hat on the head, the wind-blocking strip is located between the user's neck and the edge-together portion of the hat; the width of the wind-blocking strip is greater than the width of the edge-together portion. In this way, when the user wears the hat, the wind-blocking strip is always located between the edge-together portion of the hat and the user's neck, thereby increasing the comfort of the multifunctional sleeping bag.

[0014] In an embodiment, a first channel is provided at at least part of the edge of the blanket other than the edge-together portion, and a first elastic cord is arranged in the first channel; a second channel is provided at part of the edge of the blanket including the edge-together portion, and a second elastic cord is arranged in the second channel. When the fold-together connector is opened, the opposite edges of the edge-together portion and the edge-together portion can be bundled by pulling the first elastic cord and the second elastic cord, and the two ends of the elastic cords can be fixed to the two ends of the hammock to wrap the hammock, which can be used as a hammock warmth retention pad.

[0015] In an embodiment, the edge of the face opening of the hat is provided with a third channel, and a third elastic cord is arranged in the third channel. The elastic cord can be used to adjust the size of the hat opening and the warmth retention degree.

[0016] For better understanding and implementation, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic view of the multifunctional sleeping bag of the embodiment 1 of the utility model;

[0018] Figure 2 It is a three-dimensional structural view of the multifunctional sleeping bag of the embodiment 1 of the utility model;

[0019] Figure 3 It is Figure 1 It is an enlarged structural schematic view of the hat and the connecting structure of the cap edge of part A shown in the middle;

[0020] Figure 4 It is a schematic view of the connecting structure between the cap edge of the hat and the cap edge of the cap edge of the hat of the embodiment 1 of the utility model;

[0021] Figure 5 It is a structural schematic view of the hat of the embodiment 1;

[0022] Figure 6 It is a structural schematic view of the multifunctional sleeping bag of the embodiment 1 in the sleeping bag mode;

[0023] Figure 7 It is a structural schematic view of the multifunctional sleeping bag of the embodiment 1 in the cloak mode;

[0024] Figure 8 It is a schematic view of the multifunctional sleeping bag of the embodiment 1 fixed on the hammock as the hammock warmth retention pad;

[0025] Figure 9 It is a whole structural schematic view of the multifunctional sleeping bag of the embodiment 2.

[0026] 10 blanket, 101 folding point, 102 symmetry axis, 11 hood opening, 12 hood connecting part, 12a first hood connecting piece, 12b second hood connecting piece, 13 hood edge, 131 second channel, 132 second elastic cord, 14 blanket edge connecting part, 14a first blanket edge connecting piece, 14b second blanket edge connecting piece, 15 adjacent edge, 16 opposite edge, 161 first channel, 162 first elastic cord, 17 folding connecting piece, 17a connecting section one, 17b connecting section two, 18a elastic cord, 18b cord buckle, 20 hat, 201 neck opening, 202 face opening, 21 connecting blanket part, 21a first connecting blanket connecting piece, 21b second connecting blanket connecting piece, 22 wind-blocking strip, 231 third channel, 232 third elastic cord, 30 hammock, 31 buckle ring, 10' blanket, 102' symmetry axis. DETAILED DESCRIPTION

[0027] Although the multifunctional sleeping bag on the market can switch between the cloak form and the sleeping bag form, the hat is fixed at the middle opening of the blanket. When the multifunctional sleeping bag is in the sleeping bag form, the hat will be located at the side edge of the sleeping bag and become a redundant part, and can also accumulate at the waist of the user and affect the comfort, and the face opening of the hat can also make the sleeping bag blow wind and affect the warmth.

[0028] Therefore, the multifunctional sleeping bag is improved, the hat is designed as a detachable structure: in the cloak form, the hat is arranged in the middle of the blanket as a cloak; in the sleeping bag form, the hat is connected to the local edge of the blanket as a hat of the sleeping bag, further improving the warmth of the sleeping bag. In addition, the utility model further designs the closable connecting hood opening of the middle part of the blanket and the hat, and other windproof and warm details, to maximize the warmth and comfort of the multifunctional sleeping bag.

[0029] The schemes of the embodiments of the utility model are described in detail below in combination with the drawings.

[0030] Example 1

[0031] Please also refer to Figure 1 and Figure 2 The multifunctional sleeping bag provided by the embodiment 1 of the utility model includes a blanket 10 and a hat 20, a connecting hood opening 11 is arranged in the middle part of the blanket 10, and the local edge of the blanket 10 is arranged as a connecting hood edge 13, so that the hat 20 can be detachably connected with the connecting hood opening 11 of the blanket 10 and can also be detachably connected with the connecting hood edge of the blanket 10.

[0032] Specifically, in the present embodiment 1, the blanket 10 is rectangular in shape, including two long sides and two wide sides. In the design of the present embodiment, the portion of one of the wide sides from one end to the middle point thereof is taken as the hood side 13 of the blanket 10. That is, one end point of the hood side 13 is located at one end of the wide side, and the other end point of the hood side 13 is located at the middle point of the wide side. The other wide side of the blanket 10 is taken as the opposite side 16 of the hood side 13, and the two long sides are taken as the adjacent sides 15 of the hood side 13, respectively. Please refer to Figure 3 A blanket edge hood 14 covering the entire hood side 13 of the blanket 10 is provided at the hood side 13 of the blanket 10. Please refer to Figure 4 A narrow linear slit is provided as the hood opening 11 in the middle of the blanket 10, and a hood opening hood 12 is provided along the edge of the hood opening 11 of the blanket 10. In the present embodiment 1, the hood opening 11 is located on the line connecting the middle points of the two wide sides of the blanket 10 when the hood opening 11 is closed, and the line connecting the middle points of the two wide sides is also the axis of symmetry 102 of the rectangular blanket 10. In this way, when the blanket 10 is to be folded, the user can conveniently take the hood opening 11 as the folding position, grab the blanket 10 from the vicinity of the hood opening 11, and fold the blanket 10 along the axis of symmetry 102 more quickly and naturally, thus facilitating storage or conversion into a sleeping bag shape.

[0033] The hat 20 is provided with a neck opening 201 and a face opening 202. The neck opening 201 is an opening around the neck of the user when the hat 20 is worn on the head of the user, and the face opening 202 is an opening for exposing the face of the user. A blanket connecting portion 21 is provided along the edge of the neck opening 201 of the hat 20, and the blanket connecting portion 21 can be engaged with the hood opening hood 12 and the blanket edge hood 14 of the blanket 10, respectively.

[0034] In one embodiment, the hat mouth and hood portion 12 includes three male snaps arranged at intervals on one of the sewn edges of the open seam of the hat mouth and hood portion 11 as the first hat mouth connector 12a of the hat mouth and hood portion 12, and three female snaps arranged at intervals on the other of the sewn edges of the open seam as the second hat mouth connector 12b of the hat mouth and hood portion 12. The male snaps on one of the sewn edges of the open seam are correspondingly engaged with the female snaps on the other of the sewn edges of the open seam, so that the hat mouth and hood portion 11 is closed. Corresponding to the structure of the hat mouth and hood portion 12, the hat body portion 21 of the hat 20 includes three female snaps arranged at intervals on one side of the middle point of the hat body portion 21 as the first hat body connector 21a, and three male snaps arranged at intervals on the other side of the middle point of the hat body portion 21 as the second hat body connector 21b. The length of the hat body portion 21 is the dimension of the hat body portion 21 along the lateral contour of the neck opening 201 of the hat 20. Further, the blanket edge and hood portion 14 includes three male snaps arranged at intervals on one side of the middle point of the blanket edge and hood portion 14 as the first blanket edge connector 14a, and three female snaps arranged at intervals on the other side of the middle point of the blanket edge and hood portion 14 as the second blanket edge connector 14b. The female snaps of the first hat body connector 21a of the hat 20 can be engaged with the male snaps of the first hat mouth connector 12a of the blanket 10, or with the male snaps of the first blanket edge connector 14a of the blanket 10. The male snaps of the second hat body connector 21b of the hat 20 can be engaged with the female snaps of the second hat mouth connector 12b of the blanket 10, or with the female snaps of the second blanket edge connector 14b of the blanket 10.

[0035] In some other embodiments, the female snaps of the first hat body connector 21a, the second hat mouth connector 12b, and the second blanket edge connector 14b can be replaced by buttonholes, or the hook surface of Velcro, or the N-pole of a magnet, or one side of a zipper chain. Correspondingly, the male snaps of the second hat body connector 21b, the first hat mouth connector 12a, and the first blanket edge connector 14a can be replaced by buttons, or the loop surface of Velcro, or the S-pole of a magnet, or the other side of a zipper chain.

[0036] In addition, referring to Figure 5 , the edge of the neck opening 201 of the hat 20 is further provided with a wind-blocking strip 22, and the wind-blocking strip 22 can cover the inner side of the hat body portion 21. When the hat 20 is worn on the head of a user, the side close to the neck of the user is the inner side of the hat body portion 21, and the side away from the neck of the user is the outer side. In this way, when the hat 20 is worn on the head of the user, the wind-blocking strip 22 of the hat 20 is located between the hat body portion 21 and the neck of the user, so as to reduce the air leakage at the connection site and increase the comfort of the multifunctional sleeping bag. Further, the hat body portion 21 and the wind-blocking strip 22 extend downward from the neck opening 201 of the hat 20 by a dimension of the width thereof, and the width of the wind-blocking strip 22 is greater than the width of the hat body portion 21.

[0037] In some embodiments, the edges of the two adjacent sides of the hooded edge of the blanket are connected by a folding connector 17 to form a sleeping bag shape of the blanket 10. The folding connector 17 includes a first connecting section 17a arranged on the edge of the two adjacent sides 15 of the blanket 10 on one side of the hooded edge 13, and a second connecting section 17b arranged on the edge of the two adjacent sides 15 of the blanket 10 on the other side of the hooded edge 13. Preferably, the first connecting section 17a and the second connecting section 17b are symmetrically arranged along the symmetry axis 102, for example, the first connecting section 17a and the second connecting section 17b are symmetrically arranged on the two adjacent sides 15, respectively, or the first connecting section 17a is arranged on the adjacent side 15 and the half side opposite side 16 on one side of the symmetry axis 102, and the second connecting section 17b is arranged on the adjacent side 15 and the half side opposite side 16 on the other side of the symmetry axis 102, so that the blanket can be folded and closed into a sleeping bag shape. Specifically, in the present embodiment, a zipper is arranged on the edge of the two adjacent sides 15 of the hooded edge 13, and the zipper on the edge of the two adjacent sides 15 can be connected to each other. The opposite side 16 of the hooded edge 13 is arranged with three male buckles on one side of the symmetry axis 102, and three female buckles on the other side of the symmetry axis 102. The three male buckles and the three female buckles on the opposite side 16 of the hooded edge 13 can be connected to each other. In the present embodiment, the zipper on the adjacent side 15 and the buckle on the opposite side 16 of the hooded edge 13 are both folding connectors 17 of the blanket 10. Among them, the zipper on the adjacent side 15 of the hooded edge 13 on one side of the symmetry axis 102 of the blanket 10 and the buckle on the opposite side 16 of the hooded edge 13 constitute the first connecting section 17a of the folding connector 17; the zipper on the adjacent side 15 of the hooded edge 13 on the other side of the symmetry axis 102 and the buckle on the opposite side 16 of the hooded edge 13 constitute the second connecting section 17b of the folding connector 17.

[0038] Please refer to Figure 6 and Figure 7When the multi-functional sleeping bag is in the sleeping bag shape, the first connecting piece 21a of the hat 20 is connected with the first edge connecting piece 14a of the blanket 10, and the second connecting piece 21b of the hat 20 is connected with the second edge connecting piece 14b of the blanket 10, so that the hat 20 is fixed at the hood edge 13. The first hood connecting piece 12a and the second hood connecting piece 12b of the blanket 10 are engaged with each other, so that the hood 11 is closed. The connecting section one 17a and the connecting section two 17b of the folding connecting piece 17 are combined with each other, so that the blanket 10 is folded along the symmetry axis 102 and enclosed into the sleeping bag shape. At this time, the end point of the middle point of the wide edge where the connecting edge 13 is located and the middle point of the opposite edge 16 of the connecting edge 13 are both the folding points 101 formed at the edges of the blanket 10. When the multi-functional sleeping bag is in the cloak shape, the connecting section one 17a and the connecting section two 17b of the folding connecting piece 17 are separated from each other. The first connecting piece 21a of the hat 20 is connected with the first hood connecting piece 12a of the blanket 10, and the second connecting piece 21b of the hat 20 is connected with the second hood connecting piece 12b of the blanket 10, so that the hat 20 is fixed at the hood 11, forming the cloak shape.

[0039] Further, referring to Figure 8 , the multi-functional sleeping bag can also be wrapped around the hammock 30 from bottom to top and used as a warm pad for the hammock 30. Specifically, a first channel 161 is arranged at the edge of the opposite edge 16 of the connecting edge 13 of the blanket 10, and a first elastic rope 162 is arranged in the first channel 161. A second channel 131 is arranged at the edge of the wide edge where the connecting edge 13 of the blanket 10 is located, and a second elastic rope 132 is arranged in the second channel 131. A third channel 231 is arranged at the edge of the face opening 202 of the hat 20, and a third elastic rope 232 is arranged in the third channel 231. Each elastic rope includes an elastic rope 18a and a rope buckle 18b arranged at both ends of the elastic rope 18a. The folding connecting piece 17 is opened, and the ends of the first elastic rope 162 and the second elastic rope 132 are pulled out, so that the wide edge where the connecting edge 13 is located and the opposite edge 16 of the connecting edge 13 are shrunk. The ends of the pulled-out elastic ropes can be connected with the buckle 31 at both ends of the hammock 30 through a knot, at this time, the blanket 10 wraps around the hammock 30 from bottom to top and plays a role of keeping warm for the hammock 30. At the same time, the hat 20 can be detached from the blanket 10 and worn on the head of the user alone to keep warm. The ends of the third elastic rope 232 are pulled out to shrink the face opening 202 of the hat 20, and the ends of the pulled-out third elastic rope 232 can be connected with each other through a knot and clamped at the chin of the user, so that the hat 20 is more stably worn on the head of the user.

[0040] Example 2

[0041] Referring to Figure 9The quilt 10' of the multi-functional sleeping bag in this embodiment 2 is designed in a circular shape. A part of the edge of the circular quilt 10' serves as the hood edge 13 of the quilt 10'. Specifically, according to the conventional proportion of the height and shoulder width of a human body, the hood edge 13 of this embodiment is arranged along one twelfth of the circumference of the circular quilt 10'. At this time, the line connecting the middle point of the hood edge 13 and the middle points of all the edges of the quilt 10 except the hood edge 13 passes through the center of the circular quilt 10, and the line connecting the middle point of the hood edge 13 and the middle points of all the edges of the quilt 10 except the hood edge 13 is the axis of symmetry 102' of the circular quilt 10. A narrow linear slit is arranged in the middle of the quilt as the hood opening 11, which, when closed, intersects with the axis of symmetry 102' or is located right on the axis of symmetry 102', and preferably, the middle point of the closed hood opening 11 coincides with the center of the circular quilt 10'. In this way, when the quilt 10' needs to be folded, the user can fold the quilt 10' by taking the hood opening 11 as the folding position, and grab the quilt 10' near the hood opening 11 to fold the circular quilt 10' along the axis of symmetry 102' conveniently and quickly. The quilt edge hood 14 covering the entire hood edge 13 is arranged at the hood edge 13, and the hood opening hood 12 is arranged at the edge of the hood opening 11. The structures of the hood 20, the quilt edge hood 14 and the hood opening hood 12 in this embodiment 2 are the same as those in embodiment 1, and will not be described here.

[0042] Zipper side chains are arranged on all the edges of the quilt 10 except the hood edge 13 on one side of the axis of symmetry 102' as the connecting section one 17a of the folding connecting member 17, and on the other side of the axis of symmetry 102' as the connecting section two 17b of the folding connecting member 17. The two zipper side chains are joined to fold the circular quilt 10' along the axis of symmetry 102' and enclose it. At this time, the middle point of the hood edge 13 and the middle points of all the edges except the hood edge 13 are all the folding points 101 formed by the edges of the quilt 10.

[0043] In addition, the edge of the blanket 10' in Embodiment 2 is also symmetrically provided with a first channel 161 and a second channel 131, and a first elastic cord 162 and a second elastic cord 132 are respectively arranged in the first channel 161 and the second channel 131, so that the multifunctional sleeping bag can be used as a hammock thermal pad by wrapping the hammock 30. Specifically, the first channel 161 and the second channel 131 are arranged to cover one sixth of the circumference of the edge of the circular blanket 10' respectively according to the length-width ratio of the hammock, so that the blanket 10' can be wrapped around the hammock from bottom to top. Preferably, the middle point of the length direction of the first channel 161 coincides with the middle point of the edge of the blanket 10' except the hood edge 13, and the middle point of the length direction of the second channel 131 coincides with the middle point of the hood edge 13, at this time, when the blanket 10' is used as a hammock thermal pad, the folding direction of the blanket 10' after pulling the first elastic cord 162 and the second elastic cord 132 is consistent with the closing direction of the hood opening 11, which is conducive to the smooth folding of the blanket 10', and also conducive to the closed state of the hood opening 11 at this time, reducing air leakage and ensuring the thermal effect.

[0044] The multifunctional sleeping bag of the utility model can be a cloak, a sleeping bag or a hammock thermal pad, and has rich and diverse functions, and is suitable for outdoor hiking camping use. Further, compared with the prior art, the multifunctional sleeping bag of the utility model can make the hat play its thermal effect in any form of the multifunctional sleeping bag by detachably connecting the hat to the hood edge of the blanket or detachably connecting the hat to the hood opening, and make the best use of the hat. In addition, the hat opening connecting part of the hood opening can be used to connect the hat or close the hood opening by arranging the first hat opening connecting part and the second hat opening connecting part, and one stone can kill two birds. Further, the wind blocking strip arranged on the hat can reduce air leakage at the connecting part between the hat and the blanket, and increase the comfort of the hat.

[0045] The terms used in the embodiments of the present application are merely for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "an" and "the" used in the embodiments of the present application and the claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that "a plurality of" means two or more, unless otherwise stated. The terms "first", "second", "third", etc. are used only to distinguish, not to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. The term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items. The above description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of the present application, the specific meanings of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.

[0046] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A multi-functional sleeping bag, characterized by: The invention relates to a blanket and a hat, wherein the blanket has a hood opening in the middle part and a partial edge as a hood edge; the hat can be detachably connected with the hood opening of the blanket or the hood edge of the blanket.

2. The multi-functional sleeping bag of claim 1, wherein: The edge of the hood opening of the blanket is provided with a hood opening connecting part; the edge of the hood edge of the blanket is provided with a blanket edge connecting part; the neck opening of the hat is provided with a blanket connecting part; the hat is detachably connected with the hood opening connecting part or the blanket edge connecting part of the blanket through the blanket connecting part.

3. The multi-functional sleeping bag of claim 2, wherein: The hood opening connecting part comprises a first hood opening connecting part and a second hood opening connecting part, and the first hood opening connecting part and the second hood opening connecting part are detachably connected to close the hood opening.

4. The multi-functional sleeping bag of claim 3, wherein: The blanket edge connecting part comprises a first blanket edge connecting part and a second blanket edge connecting part; the blanket connecting part of the hat comprises a first blanket connecting part and a second blanket connecting part; the first blanket connecting part of the hat is detachably connected with the first hood opening connecting part or the first blanket edge connecting part of the blanket; the second blanket connecting part of the hat is detachably connected with the second hood opening connecting part or the second blanket edge connecting part of the blanket.

5. The multi-functional sleeping bag of claim 4, wherein: The blanket further comprises fold connecting parts on the remaining edges or partial edges of the blanket except the hood edge, and the blanket is closed to form a sleeping bag shape through the fold closing connection of the fold connecting parts.

6. The multi-functional sleeping bag of claim 5, wherein: The fold connecting parts comprise connecting section one and connecting section two which can be engaged with each other, and the connecting section one and the connecting section two form a fold point on the edge of the blanket except the hood edge after being engaged, and the connecting line between the fold point and the middle point of the hood edge is the symmetry axis of the blanket; or the connecting section one and the connecting section two form a fold point on the edge of the blanket except the hood edge after being engaged, and the connecting line between the fold point and one end point of the hood edge is the symmetry axis of the blanket.

7. The multi-functional sleeping bag of claim 6, wherein: The hood opening is a slit which is located on the symmetry axis of the blanket after being closed by the first hood opening connecting part and the second hood opening connecting part.

8. The multi-functional sleeping bag of claim 7, wherein: The neck opening of the hat is further provided with a windproof strip, and the windproof strip is located between the neck of the user and the blanket connecting part when the user wears the hat on the head; the width of the windproof strip is greater than the width of the blanket connecting part.

9. The multi-functional sleeping bag of claim 6, wherein: A first channel is arranged on at least part of the edge of the blanket except the hood edge, and a first elastic cord is arranged in the first channel; a second channel is arranged on the edge of the blanket including the hood edge, and a second elastic cord is arranged in the second channel.

10. The multi-functional sleeping bag of claim 3, wherein: The face opening edge of the hat is provided with a third channel, and a third elastic cord is arranged in the third channel. The face opening edge of the hat is provided with a third channel, and a third elastic cord is arranged in the third channel.

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