WO2023240808A1

WO2023240808A1 - Multifunctional backpack

Info

Publication number: WO2023240808A1
Application number: PCT/CN2022/117701
Authority: WO
Inventors: 吴颖卓
Original assignee: 吴颖卓
Priority date: 2022-06-17
Filing date: 2022-09-08
Publication date: 2023-12-21
Also published as: CN114869041A

Abstract

A multifunctional backpack, comprising: a backpack body (1); a frame (2), which is arranged on a back side of the backpack body; a back accessory structure (3), which is located on the side of the frame (2) away from the backpack body (1), and upper and lower ends of which are detachably connected to the frame (2); two straps (4), which are arranged across the back side of the backpack body (1), wherein one end of the strap (4) is connected between the back accessory structure (3) and the backpack body (1), and the other end of the strap (4) is connected to a lower end of the back accessory structure (3); and a hip belt (5), which is detachably connected to the lower end of the back accessory structure (3). Various accessories provided on the backpack can reduce the feeling of weight on a human body during backpacking. The frame (2) can effectively maintain the shape of the back of the backpack. The frame cooperates with the back accessory structure (3) and the hip belt (5), such that part of the pressure can be transferred from the shoulders of a human body to the back and the waist. Moreover, the accessories are easy to disassemble and install, and the frame (2), the back accessory structure (3), the straps (4), etc. can be used alone as a back correction device.

Description

A multifunctional backpack

Technical field

The present invention relates to the technical field of backpacks, and in particular to a multifunctional backpack.

Background technique

A backpack, also known as a rucksack, is a luggage bag with one or two shoulder straps that can be hung on the human back. Although backpacks have always been improved in structure and materials, their main structural systems are still shoulder straps and duffel bags. Since it is difficult for humans to carry heavy objects with their hands alone for a long time, backpacks are often the first choice for carrying or transporting heavy objects. Depending on the application, comfort and lightness are important when using a backpack. When carrying weight, the designs of existing backpacks used in different scenarios will be different. For example, more breathable materials will be used, and a support frame will be added on the inside to transfer the weight to the hips, or padding may be added to the shoulder straps. Reduces the pressure on shoulders and back and comes with a belt.

However, most of the existing backpacks and accessories are fixed on the backpack according to the standard body shape of the human body. It is inconvenient to disassemble and replace. At the same time, it cannot be adapted to different groups of people. As a result, the support bar located on the back will not only affect people's backpack It also increases the weight of the backpack and cannot distribute the pressure. The main reason is usually that the accessories only consider the state of people using the backpack when their backs are straight, and ignore the displacement and deformation caused by frequent bending when climbing, resulting in deformation of the backpack and items leaning to one side, resulting in uneven stress. adverse effects.

Contents of the invention

In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a multifunctional backpack. The various accessories equipped with the backpack of the present invention can reduce the weight of the human body when backpacking. The frame can effectively maintain the shape of the back of the backpack. Cooperating with the back structure and the belt, it can transfer part of the pressure from the shoulders of the human body to the back and waist, and Each accessory is easy to disassemble and install. The frame, back structure and straps can also be used as a back correction device when used alone.

A multifunctional backpack according to the invention includes:

Backpack body;

A frame, the frame is provided on the back side of the backpack body;

Back auxiliary structure, the back auxiliary structure is located on the side of the frame away from the backpack body, and the upper and lower ends of the back auxiliary structure are detachably connected to the frame respectively;

There are two straps and the straps are arranged across the back side of the backpack body. One end of the straps is connected between the back structure and the backpack body. The other end of the straps is connected to the backpack body. The lower ends of the dorsal accessory structures are connected;

A waist belt, which is detachably connected to the lower end of the back structure.

In one embodiment, the frame includes corner pieces and connecting rods. The corner pieces are respectively fixed on the four corners of the back of the backpack body. The connecting rods are detachably connected to the corner pieces through a snap-in structure. .

In one embodiment, the clamping structure includes a clip extending from the corner piece, the clip is provided with a protrusion, and the connecting rod is opened on a side close to the back structure. There is a through-slot, the width of the through-slot is consistent with the width of the clip, and the through-slot is provided with a through-hole that matches the protrusion.

In one embodiment, the back structure includes two symmetrically arranged support bars. The upper ends of the two support bars are fixedly connected through insertion rods, and the lower ends of the two support bars are rotationally connected with each other. An installation piece has a mounting hole in the middle for inserting the belt.

In one embodiment, each of the support bars includes at least three support blocks that are hinged in sequence. The support block at the uppermost end is connected to the corner piece through a magnetic connection mechanism, and the support block at the lowermost end is connected to the corner piece through a magnetic connection mechanism. One of the support blocks is connected to the corner piece through a buckle mechanism, and a fan is embedded on a side of one of the support blocks located in the middle away from the frame.

In one embodiment, the magnetic connection mechanism includes a first connecting piece and a second connecting piece that are magnetically connected to each other; one end of the first connecting piece is threadedly connected to the corner piece, and the first connecting piece The other end extends along the radial direction to form a truncated cone; the second connecting member is slidably connected in the support block through a guide rail, and the second connecting member is also provided with a connecting member along its sliding direction for connecting with the first connecting member. A gap in separation.

In one embodiment, the buckling mechanism includes a third connecting piece and a slot opened on the support block; one end of the third connecting piece is threadedly connected to the corner piece, and the third connecting piece The other end of the member extends along the radial direction in a truncated cone shape; the upper half of the slot is wider than the third connector, and the lower half of the slot has an inner side for connecting with the third connector. Snap-on collar.

In one embodiment, each of the support blocks includes a base plate and a mounting frame adapted to the edge of the base plate, and a honeycomb-shaped grid is provided in the middle of the base plate.

In one embodiment, the back structure has a groove corresponding to the upper end of the strap, and a plurality of cross bars for inserting the strap are set up in the groove.

In one embodiment, connecting pieces are rotatably connected to both sides of the lower end of the back structure, and the connecting pieces are provided with strap holes for connecting to the straps.

Compared with the existing technology, the beneficial effects of the technical solution of the present invention are:

1. The backpack of the present invention is equipped with various accessories that can reduce the weight of the human body when backpacking. The frame can effectively maintain the shape of the back of the backpack. Cooperating with the back structure and the belt, it can transfer part of the pressure from the shoulders of the human body to the back and waist. , and each accessory is easy to disassemble and install. The frame, back structure and straps can also be used as a back correction device when used alone.

2. Each part of the accessory structure in this device can be replaced and assembled through simple disassembly and assembly to reduce maintenance costs.

3. The frame can provide support to the back of the backpack body and ensure that it is relatively straight, which facilitates the arrangement of items in the backpack body and makes it difficult to change the position of items in the backpack due to bending, etc., thus avoiding excessive stress. Variety;

4. The back structure is specifically a frame structure composed of two support bars, inserting rods, and mounting parts. The upper end between the two support bars is fixedly connected by the inserting rod and matches the dorsal plane of the human body's shoulder. The lower end of the mounting piece is rotationally connected to ensure that the belt inserted on the mounting piece can remain horizontal and span the waist of the human body, further ensuring that the entire back structure fits the human body's back, reducing the shaking of the backpack body and the impact on the back. impact effect;

5. A single support block is also made up of a base plate and a mounting frame, which makes it easy to press or sew the fabric from the edge, and fill the space between the fabric and the base plate with a sponge layer as a buffer to improve the contact between the human back and the back structure. comfortability.

Description of the drawings

Figure 1 is a schematic structural diagram of a multifunctional backpack of the present invention;

Figure 2 is a schematic diagram of the connection between the frame and the back structure of the present invention;

Figure 3 is a schematic connection diagram of the frame and the magnetic connection mechanism of the present invention;

Figure 4 is a structural exploded view of part of the frame and magnetic connection mechanism of the present invention;

Figure 5 is a front view of the back structure of the present invention;

Figure 6 is a rear view of the back structure of the present invention;

Figure 7 is an internal structural diagram of a support block located at the upper end of the present invention.

Explanation of reference signs: 1-backpack body, 2-frame, 21-corner piece, 22-connecting rod, 23-clip structure, 231-clip, 232-protrusion, 233-through slot, 234-through hole, 3-Back structure, 31-support bar, 311-support block, 312-fan, 32-insert rod, 33-mounting piece, 34-groove, 35-connecting piece, 4-strap, 5-belt, 6- Magnetic connection mechanism, 61-first connecting piece, 62-second connecting piece, 63-guide rail, 7-buckle mechanism, 71-third connecting piece, 72-card slot.

Detailed ways

The drawings are for illustrative purposes only and should not be construed as limitations of this patent; in order to better illustrate this embodiment, some components of the drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and their descriptions may be omitted in the drawings.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, which can be said to be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. The technical solution of the present invention will be further described below with reference to the accompanying drawings and examples.

As shown in Figures 1-7, a multifunctional backpack of the present invention includes:

Backpack body 1;

Frame 2, the frame 2 is located on the back side of the backpack body 1;

Back auxiliary structure 3, the back auxiliary structure 3 is located on the side of the frame 2 away from the backpack body 1, and the upper and lower ends of the back auxiliary structure 3 are detachably connected to the frame 2 respectively;

Straps 4. There are two straps 4 and they are arranged across the back side of the backpack body 1. One end of the straps 4 is connected between the back structure 3 and the backpack body 1. The other end of the straps 4 is connected to the lower end of the back structure 3. connect;

The belt 5 is detachably connected to the lower end of the back structure 3 .

The backpack of the present invention is equipped with various accessories that can reduce the weight of the human body when backpacking. The frame 2 can effectively maintain the shape of the back of the backpack body 1. Cooperating with the back structure 3 and the belt 5, it can transfer part of the pressure from the shoulders of the human body to The back and waist, and each accessory is easy to disassemble and install. The frame 2, back structure 3 and straps 4 can also be used as a back correction device when used alone. When installing, the frame 2 can be fixed on a luggage bag similar to the backpack body 1 first, and connected to the frame 2 through the upper end of the back substructure 3. The lower end of the back substructure 3 can be disassembled and placed close to the back of the human body. The side of the back structure 3 close to the human body's back can be filled with a sponge layer to increase comfort, and the lower end of the strap 4 is connected to the lower end of the back structure 3. The belt 5 is placed across the waist, so that people can carry the luggage on their backs. When carrying a bag, it is not only supported by the force exerted by the straps 4 on the shoulders, but also because the back sub-structure 3 is close to the frame 2, allowing the person to have a larger contact surface with the back sub-structure 3 when bending over. , so that the pressure of the backpack body 1 is distributed to the back, and due to the fixation of the belt 5, the separation of the back structure 3 and the back is further prevented. In addition, when no items are placed in the backpack body 1, the lower end of the back sub-structure 3 is also connected to the frame 2, and the back sub-structure 3 remains parallel to the frame 2, forming a plane for supporting the human back, and cooperates with the belt 5 and the straps 4. After adjusting and tightening, the structure can be directly used as a device to correct the human back, allowing the user to straighten the back, sit or stand upright, etc.

In one embodiment, the frame 2 includes a corner piece 21 and a connecting rod 22. The corner piece 21 is respectively fixed on the four corners on the back of the backpack body 1. The connecting rod 22 is detachably connected to the corner piece 21 through the snap-in structure 23. The connection between the frame 2 and the backpack body 1 can be based on different backpack sizes. First, four corner pieces 21 are fixedly installed at the corresponding positions, and then connecting rods 22 of appropriate lengths are selected and installed between the two adjacent corner pieces 21. time, so that it can be easily replaced, especially when the frame 2 is required to be used as a support for the back of the backpack, the connecting rod 22 is most likely to wear and tear. The detachable frame 2 allows only the connecting rod 22 to be replaced, reducing maintenance costs. Among them, the clamping structure 23 includes a clamping strip 231 extending from the corner piece 21. The clamping strip 231 is provided with a protrusion 232. The connecting rod 22 has a through slot 233 on one side close to the back substructure 3. The through slot The width of 233 is consistent with the width of the clip 231, and the through slot 233 is provided with a through hole 234 that matches the protrusion 232. The corner piece 21 and the connecting rod 22 are detachably connected mainly through the snap-in structure 23. The width of both ends of the through slot 233 on the connecting rod 22 is adapted to the clamping strip 231, and the protrusion 232 is further inserted into the through hole 234. It is fixed to further limit the position of the connecting rod 22, so that the frame 2 formed in this way can provide support for the back of the backpack body 1 and ensure that it is relatively straight, which facilitates the arrangement of items in the backpack body 1 and is not easily caused by Change the position of the items in the backpack by bending down, etc., so as to avoid too much change in the force.

In one of the embodiments, the back structure 3 includes two symmetrically arranged support bars 31. The upper ends of the two support bars 31 are fixedly connected through insertion rods 32, and the lower ends of the two support bars 31 are rotationally connected with a mounting device. Part 33, the middle part of the installation part 33 is provided with an installation hole for inserting the belt 5. The back auxiliary structure 3 is specifically a frame structure composed of two support bars 31, a plug-in rod 32, and a mounting piece 33. The upper end between the two support bars 31 is fixedly connected by the plug-in rod 32 and is connected to the dorsal plane of the human body's shoulder. Matching, and the lower end mounting piece 33 is rotationally connected to ensure that the belt 5 inserted on the mounting piece 33 can remain horizontal and span the waist of the human body, further ensuring that the entire back structure 3 fits the human body's back. Reduce the impact on the back caused by the shaking of the backpack body 1. Furthermore, each support bar 31 includes at least three support blocks 311 that are hinged in sequence. The uppermost support block 311 is connected to the corner piece 21 through the magnetic connection mechanism 6 , and the lowermost support block 311 is connected to the corner piece 21 through the magnetic connection mechanism 6 . Connected to the corner piece 21 through the buckle mechanism 7, a fan 312 is embedded on the side of one of the support blocks 311 located in the middle away from the frame 2 to improve the heat dissipation effect in the middle part of the human body's back where sweating is most likely. The support bar 31 can further adapt to the back muscles of different people through multiple mutually hinged support blocks 311, so that the sponge layer on the support blocks 311 can better protect the back muscles of the human body, increase the contact area, and reduce the feeling of weight. . Moreover, the positions of the support bars 31 corresponding to the four corners of the frame 2 are detachably connected by the magnetic connection mechanism 6 and the buckle mechanism 7 respectively, and the back substructure 3 can be completely separated from the frame 2 . When the back substructure 3 needs to be used to support and disperse pressure, the upper end of the magnetic connection mechanism 6 can be connected to hang the backpack body 1, and the lower end of the support bar 31 is separated from the frame 2 and attached to the back; it is necessary to connect the back substructure 3 When combined with the frame 2 and the like as a device for correcting the back, the upper and lower ends of the support bar 31 are connected to the frame 2 to form a flat surface.

Among them, the magnetic connection mechanism 6 includes a first connecting piece 61 and a second connecting piece 62 that are magnetically connected to each other; one end of the first connecting piece 61 is threadedly connected to the corner piece 21, and the other end of the first connecting piece 61 is connected in the radial direction. The second connecting member 62 extends in the shape of a truncated cone; the second connecting member 62 is slidably connected in the support block 311 through the guide rail 63 . The second connecting member 62 is also provided with a notch along its sliding direction for disengaging from the first connecting member 61 . When the upper end of the support bar 31 is connected to the frame 2, the second connecting member 62 is located corresponding to the through hole on the supporting block 311, so that the first connecting member 61 can pass through the through hole, and the stronger magnetic attraction is used to position and allow the second connecting member 62 to pass through the through hole. The installation part of the connecting piece 62 is fastened to the truncated cone-shaped end of the first connecting piece 61 to form a more stable connection; when disassembling, the second connecting piece 62 slides along the guide rail 63 through the lever on the side, and the first connecting piece 61 The second connecting piece 62 will be separated from the notch, and the second connecting piece 62 will also be relatively far away from the first connecting piece 61, so that the magnetic attraction is reduced, so that the upper end of the support bar 31 and the frame 2 can be separated from each other.

In addition, the buckling mechanism 7 includes a third connecting piece 71 and a slot 72 opened on the support block 311; one end of the third connecting piece 71 is threadedly connected to the corner piece 21, and the other end of the third connecting piece 71 is threaded along the radial direction. It extends into a truncated cone shape; the width of the upper half of the slot 72 is larger than that of the third connector 71 , and a convex ring is provided inside the lower half of the slot 72 for engaging with the third connector 71 . The shape of the third connecting piece 71 can be consistent with the above-mentioned first connecting piece 61, so that they can be used interchangeably. The buckle mechanism 7 serves as a secondary connection structure, and most of them need to be used in conjunction with the connection of the above-mentioned magnetic connection mechanism 6. Since the magnetic connection The mechanism 6 is fixed, and the distance between the buckling mechanism 7 and the magnetic connection mechanism 6 is adapted to the length of the frame 2 in the up and down direction, so when the third connecting piece 71 is inserted from the upper half of the slot 72 and snapped into the lower half When in the convex ring, the connection can be relatively fixed, preventing the lower end of the support bar 31 from being separated from the frame 2.

In one embodiment, each support block 311 includes a base plate and a mounting frame adapted to the edge of the base plate, and a honeycomb-shaped grid is provided in the middle of the base plate. The single support block 311 is also made up of a base plate and a mounting frame, which makes it easy to press or sew the fabric from the edge, and fill the space between the fabric and the base plate with a sponge layer as a buffer, improving the contact between the human back and the back structure 3. comfortability. At the same time, the honeycomb-shaped grid on the bottom plate provides sufficient support so that objects such as guide rails 63 and fans 312 can be placed in the middle, and has a better heat dissipation effect. The fan 312 can also be replaced with other functional accessories such as a massage head.

In addition, the back substructure 3 has a groove 34 corresponding to the upper end of the strap 4, and a plurality of cross bars for inserting the strap 4 are set up in the groove 34. The two sides of the lower end of the back auxiliary structure 3 are respectively rotatably connected with connecting pieces 35 , and the connecting pieces 35 are provided with strap holes for connecting with the strap 4 . The straps 4 can be directly tied to the groove 34 of the back structure 3 and the connecting piece 35 at the lower end through the strap heads at both ends. That is to say, the straps 4 located on the backpack body 1 in the existing design are arranged on the back structure 3, so that It is easier to adjust the length of the back structure 3 close to the human body's back and the strap 4 to suit different groups of people. The backpack body 1 is replaceably installed on the back structure 3 as a hanging piece.

In the description of this application, it should be understood that the orientation or position indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" etc. Relationships are generally based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present application and simplifying the description. Without instructions to the contrary, these directional words do not indicate and imply that the referred devices or elements must have Specific orientations or structures and operations in specific orientations should not be construed as limiting the scope of the present application.

In the figures, the positional relationships described are only for illustrative purposes and cannot be understood as limitations of the patent; obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention and are not intended to be specific to the implementation of the present invention. limited. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

A multifunctional backpack, which is characterized by including:

Backpack body(1);

Frame (2), the frame (2) is located on the back side of the backpack body (1);

Back auxiliary structure (3), the back auxiliary structure (3) is located on the side of the frame (2) away from the backpack body (1), and the upper and lower ends of the back auxiliary structure (3) are respectively connected with the The frame (2) is detachably connected;

There are two straps (4) and they are arranged across the back side of the backpack body (1). One end of the straps (4) is connected to the back structure (3) and the back structure (3). Between the backpack body (1), the other end of the strap (4) is connected to the lower end of the back structure (3);

Belt (5), the belt (5) is detachably connected to the lower end of the back structure (3).
A multifunctional backpack according to claim 1, characterized in that the frame (2) includes corner pieces (21) and connecting rods (22), and the corner pieces (21) are respectively fixed on the backpack body. (1) On the four corners of the back, the connecting rod (22) is detachably connected to the corner piece (21) through a snap-in structure (23).
A multifunctional backpack according to claim 2, characterized in that the clamping structure (23) includes a clamping strip (231) extending from the corner piece (21), and the clamping strip (231) ) is provided with a protrusion (232), and a through groove (233) is provided on the side of the connecting rod (22) close to the back structure (3). The width of the through groove (233) is consistent with the width of the clamping member. The strips (231) have the same width, and the through grooves (233) are provided with through holes (234) that match the protrusions (232).
A multifunctional backpack according to any one of claims 1 to 3, characterized in that the back structure (3) includes two symmetrically arranged support bars (31), and the two support bars (31) The upper ends of the two support bars (31) are fixedly connected by insertion rods (32), and the lower ends of the two support bars (31) are rotationally connected with a mounting piece (33). The middle part of the mounting piece (33) is provided with a hole for inserting the Mounting holes for belt (5).
A multifunctional backpack according to claim 4, characterized in that each of the support bars (31) includes at least three support blocks (311) that are hinged in sequence, wherein the one at the uppermost end ( 311) is connected to the corner piece (21) through a magnetic connection mechanism (6), and the support block (311) located at the lowermost end is connected to the corner piece (21) through a buckle mechanism (7), A fan (312) is embedded on the side of one of the support blocks (311) located in the middle away from the frame (2).
A multifunctional backpack according to claim 5, characterized in that the magnetic connection mechanism (6) includes a first connection part (61) and a second connection part (62) that are magnetically connected to each other; the first connection part One end of the component (61) is threadedly connected to the corner component (21), and the other end of the first connector (61) extends in a radial direction to form a truncated cone; the second connector (62) passes through the guide rail ( 63) Slidingly connected in the support block (311), the second connecting piece (62) is also provided with a notch along its sliding direction for disengaging from the first connecting piece (61).
A multifunctional backpack according to claim 5 or 6, characterized in that the buckle mechanism (7) includes a third connecting piece (71) and a buckle slot (72) opened on the support block (311). ); one end of the third connecting piece (71) is threadedly connected to the corner piece (21), and the other end of the third connecting piece (71) extends along the radial direction in a truncated cone shape; the slot ( The width of the upper half of the slot (72) is larger than that of the third connector (71), and a convex ring is provided inside the lower half of the slot (72) for engaging with the third connector (71).
A multifunctional backpack according to claim 7, characterized in that each of the support blocks (311) includes a bottom plate and a mounting frame adapted to the edge of the bottom plate, and the middle part of the bottom plate is provided with a honeycomb shape. shaped grid.
A multifunctional backpack according to claim 1 or 8, characterized in that the back structure (3) is provided with a groove (34) corresponding to the upper end of the strap (4), and the groove (34) A plurality of crossbars for inserting the straps (4) are installed inside.
A multifunctional backpack according to claim 9, characterized in that, connecting pieces (35) are rotatably connected to both sides of the lower end of the back structure (3), and the connecting pieces (35) are provided with The strap hole for connecting the strap (4).