WO2023240807A1 - Detachable multifunctional back pair structure - Google Patents

Abstract

A detachable multifunctional back pair structure, comprising: a frame (1) mounted on the back surface of a backpack; and a support member (2) arranged on the side of the frame (1) away from the backpack. The upper and lower ends of the support member (2) are detachably connected to the frame (1) respectively. The support member (2) comprises at least three support blocks (21) hinged in sequence, the support blocks (21) being tightly attached to the back of a human body. The parts can be quickly detached and replaced, are easy to use, and are mounted on the back surface of the backpack by means of the frame (1), thereby keeping the back surface of the backpack straight, thereby facilitating the mounting of the support member (2). When the back pair structure is used in conjunction with back straps, the pressure of the backpack can be evenly distributed to the shoulder of the user to the back or even the waist of the user, thereby alleviating the burden of the shoulder.

Description

A detachable multifunctional back structure Technical field

The invention relates to the technical field of backpack accessories, and in particular to a detachable multifunctional back pair structure.

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, these existing structural designs are not easy to disassemble and replace. When the backpack carries a light load, the frames of these outer straps actually increase the weight that people carry. Moreover, when these structures need to be used, the existing designs cannot be adapted to use by different groups of people, thus affecting people's comfort when backpacking.

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 detachable multi-functional back structure. Each component of the present invention can be quickly disassembled and replaced, and is easy to use. The frame is added to the back of the backpack to keep the back of the backpack straight, so that supports can be further installed. Used with a strap, the backpack can be placed on the user's shoulder. The pressure is evenly distributed to the back and even the waist, thereby reducing the burden on the shoulders.

A detachable multifunctional back structure according to the present invention includes:

a frame mounted on the back of the backpack;

The support member is located on the side of the frame away from the backpack, and the upper and lower ends of the support member are detachably connected to the frame respectively; the support member includes at least three support blocks that are hinged in sequence. , the support block is used to be in close contact with the back of the human body.

In one embodiment, the support members are two and are arranged symmetrically, and the upper end of the support member is slidably connected to a first connecting member, and the first connecting member is magnetically connected to the upper end of the frame; The lower end of the support member is provided with a clamping slot, and the clamping slot is used for snapping with the lower end of the frame.

In one embodiment, second connectors are respectively provided on the four corners of the frame on one side close to the support member. One end of the second connector is connected to the frame. The second connector The other end extends along its radial direction into a truncated cone shape, and the first connecting piece and the slot are respectively adapted to the second connecting piece.

In one embodiment, a slide rail is fixed in the support block located at the top of the support member, and a slide groove and a through hole are provided on the side of the support block close to the frame; The first connecting piece is slidingly connected to the slide rail, and a mounting ring and a lever are fixed on the first connecting piece. The mounting ring is adapted to the second connecting piece. The lever The rod is used to slide along the slide groove, so that the first connecting piece slides along the slide rail, so that the mounting ring corresponds to the through hole or is away from the through hole.

In one embodiment, the slide rails are arranged up and down along the length direction of the frame, the mounting ring has a hook-shaped cross section, and a gap is left at the upper end of the mounting ring.

In one embodiment, the clamping slots are arranged up and down along the length direction of the frame, the width of the clamping slots is greater than the diameter of the second connecting member, and the lower half of the clamping slots has an inner protrusion for A convex ring engaged with the second connecting piece.

In one embodiment, a rod and a mounting block are provided between the two support members. The rod is located at the upper end of the support member and is fixedly connected to the two support members. The mounting block It is located at the lower end of the support member and is rotationally connected with the two support members.

In one embodiment, the frame includes connecting rods and corner pieces that are detachably connected in sequence. A through slot is provided on one side of the connecting rod, and through holes are provided at both ends of the through slot. The corner piece is provided with a clamping strip extending outward. The clamping strip is provided with a clamping piece and is adapted to the through slot and the through hole. The second connecting piece is threadedly connected to the corner piece.

In one embodiment, each of the support blocks includes an outer frame, and a honeycomb grid is formed in the middle of the outer frame. The side of the support block close to the human body is filled with a sponge layer.

In one embodiment, hooks are respectively provided on the outer sides of the lower ends of the two support members.

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

1. Each component of the present invention can be quickly disassembled and replaced, and is easy to use. The frame is added to the back of the backpack to keep the back of the backpack straight, so that supports can be further installed, which can be used with a strap to use the backpack in pairs. The pressure on the shoulders is evenly distributed to the back and even the waist, thereby reducing the burden on the shoulders.

2. When the lower end of the support is disassembled, the multiple support blocks can adjust the bending position through sequential hinges to fit the user's back muscles, thus increasing the contact area of the back support. With the use of a strap, the user can increase the number of users. comfort and can be adapted to the use of different people; when the two ends of the support are connected to the frame in two ways, the positions of the three support blocks in each support are relatively fixed and can be used as supports on both sides of people's backs , providing corrective effects such as straightening the user's back.

3. The frame is also assembled through a detachable structure, so that it is easy to replace the parts, or just fix the corner parts at the appropriate position on the back of the backpack, and the connecting rod can be selected according to the width and length of the backpack; second The connecting parts are installed to the four corners of the frame through threaded connections to be used in combination with the supporting parts.

Description of the drawings

Figure 1 is a schematic structural diagram of a detachable multi-functional back structure of the present invention;

Figure 2 is a rear view of a detachable multifunctional back structure of the present invention;

Figure 3 is a rear view of the support member of the present invention;

Figure 4 is an enlarged perspective view of a support block located at the top of the present invention;

Figure 5 is a schematic diagram of the connection between the bottom support block and the installation block of the present invention;

Figure 6 is an exploded view of part of the frame, the first connector and the second connector of the present invention;

Fig. 7 is an enlarged cross-sectional view of the first connecting member and the second connecting member of the present invention when they are connected.

Explanation of reference signs: 1-frame, 11-second connecting piece, 12-connecting rod, 13-corner piece, 2-support piece, 21-support block, 22-first connecting piece, 221-mounting ring, 222- Lever, 23-slot, 24-slide rail, 3-rod, 4-installation block, 5-hook.

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 to 7, a detachable multifunctional back structure of the present invention includes:

Frame 1, frame 1 is installed on the back of the backpack;

The support member 2 is located on the side of the frame 1 away from the backpack, and the upper and lower ends of the support member 2 are detachably connected to the frame 1 respectively; the support member 2 includes at least three support blocks 21 that are hinged in sequence, and the support blocks 21 are In close contact with the human body's back.

Each component of the present invention can be quickly disassembled and replaced, and is easy to use. The frame 1 is added to the back of the backpack to keep the back of the backpack straight, so that the support 2 can be further installed, and used in conjunction with the strap, the backpack can be used in pairs The pressure on the shoulders is evenly distributed to the back and even the waist, thereby reducing the burden on the shoulders. In actual use, the frame 1 can be first installed on the back of the backpack by sewing or pasting, and the user can detachably connect to the frame 1 through the upper and lower ends of the support 2 . Due to the rigid structure of the frame 1, the back of the backpack remains relatively straight, making it easier to arrange items reasonably in the backpack. When the lower end of the support member 2 is disassembled, the multiple support blocks 21 can be adjusted through sequential hinges. The bent position fits the user's back muscles, thereby increasing the contact area of the back support. With the use of a strap, when the gravity of the backpack presses on the shoulders, part of the pressure is distributed to the entire support 2 due to the extension of the frame 1, especially It is the lower end of the support member 2. By adding a belt, etc., part of the pressure can be further transferred to the waist of the human body to adapt to the use of different groups of people.

In addition, if this structure is used alone and both ends of the support member 2 are connected to the frame 1, then the positions of the three support blocks 21 will be relatively fixed. If there are two support members 2 and arranged symmetrically, they can be used as supports on both sides of people's backs. , providing corrective effects such as straightening the user's back. The upper end of the support member 2 is slidably connected to a first connecting member 22, which is magnetically connected to the upper end of the frame 1; Interlocking. The connection methods of the upper and lower ends of the support member 2 can also be used interchangeably. The detachable connection can be achieved through magnet adsorption or snap-in connection with the slot 23, so that the support member 2 and the frame 1 can be separated or combined.

Specifically, the four corners of the frame 1 are respectively provided with second connectors 11 on one side close to the support member 2. One end of the second connector 11 is connected to the frame 1, and the other end of the second connector 11 extends along its radial direction. In the shape of a truncated cone, the first connecting piece 22 and the slot 23 are respectively adapted to the second connecting piece 11 . One end of the second connecting member 11 is detachably connected to the four corners of the frame 1, or can be directly fixed on the frame 1. The other end protrudes from the back of the backpack and can be used as the detachable connecting end of the upper and lower ends of the support member 2. .

Among them, a slide rail 24 is fixed in a support block 21 located at the top of the support member 2, and a slide groove and a through hole are provided on the side of the support block 21 close to the frame 1; the first connecting member 22 is slidingly connected to the slide rail 24. On the rail 24, and the first connecting member 22 is also fixed with a mounting ring 221 and a lever 222. The mounting ring 221 is adapted to the second connecting member 11, and the lever 222 is used to slide along the slide groove, thereby making the first The connecting piece 22 slides along the slide rail 24 so that the mounting ring 221 corresponds to the through hole or is away from the through hole. The support block 21 at the uppermost end of the support member 2 has a built-in slide rail 24. The lever 222 extending from the first connecting member 22 through the slide groove facilitates people to control the position of the first connecting member 22 relative to the sliding rail 24 from the outside. When the first connecting member 22 When 22 corresponds to the through hole, the second connecting piece 11 can be roughly positioned through magnetic attraction, and then further fixed by snapping or other methods. For example, as shown in Figure 7, the slide rails 24 are arranged up and down along the length direction of the frame 1. The cross section of the mounting ring 221 is hook-shaped, and a gap is left at the upper end of the mounting ring 221 . In this way, when the lever 222 is moved, the mounting ring 221 on the first connecting piece 22 can correspond to the position of the through hole, and after the truncated cone-shaped end of the second connecting piece 11 is pressed in, it is fastened to the mounting ring 221; During disassembly, the lever 222 drives the first connecting member 22 downward to separate from the through hole, and the second connecting member 11 can be separated at the upper gap of the mounting ring 221, and the distance of the first connecting member 22 reduces the magnetic field. Due to the suction effect, the upper end of the support member 2 can be easily separated from the frame 1.

In addition, the clamping slots 23 are arranged up and down along the length direction of the frame 1 , the width of the clamping slot 23 is greater than the diameter of the second connecting member 11 , and the inner side of the lower half of the clamping slot 23 is provided with a protrusion for engaging with the second connecting member 11 convex ring. The lowermost support block 21 of the support member 2 will be connected with the same second connecting member 11 through the slot 23. The distance between the through hole at the upper end and the slot 23 at the lower end is consistent with the length of the frame 1. The second The connecting piece 11 is inserted from the upper half of the slot 23 and slid down to the convex ring for clamping. After the upper end is connected through the above method, the supporting piece 2 and the frame 1 can be relatively fixed and used as a structure for correcting the human back, or When not in use, the structure can be stored snugly against the back of the backpack.

Furthermore, a rod 3 and a mounting block 4 are provided between the two supporting members 2. The rod 3 is located at the upper end of the supporting member 2 and is fixedly connected to the two supporting members 2. The mounting block 4 is located at the lower end of the supporting member 2 and is fixedly connected to the two supporting members 2. Rotatingly connected with the two supports 2. The rod 3 fixes the two uppermost support blocks 21 of the two support members 2 so as to facilitate the positioning connection between the upper ends of the two support members 2 and the frame 1, and this position corresponds to the back of the shoulder and should be in a straight state. The lower end of the mounting block 4 changes position with the three support blocks 21, and can be further inserted into a belt, etc. The mounting block 4 can rotate relative to the lower end of the support member 2, and can be rotated to a suitable position in conjunction with the belt.

In one embodiment, the frame 1 includes a connecting rod 12 and a corner piece 13 that are detachably connected in sequence. A through groove is provided on one side of the connecting rod 12, and through holes are respectively provided at both ends of the through groove. The corner piece 13 faces toward A clamping strip is provided extending outward. The clamping strip is provided with a clamping piece and is adapted to the through slot and the through hole. The second connecting piece 11 is threadedly connected to the corner piece 13 . The frame 1 is also assembled through a detachable structure to facilitate the replacement of parts, or just fix the corner piece 13 in a suitable position on the back of the backpack, and the connecting rod 12 can be selected according to the width and length of the backpack, and Specifically, the corner piece 13 extends outwards with a clamping strip, and a clamping piece is provided on the clamping strip, which cooperates with the through slot and through hole in the middle of the connecting rod 12, so that the corner piece 13 and the connecting rod 12 can be connected and maintained relative to each other. In a fixed position, the final assembled structure of the frame 1 can maintain the straightness of the back of the backpack, and enable the second connector 11 to be installed to the four corners of the frame 1 through threaded connections for use in combination with the support member 2 .

In one embodiment, each support block 21 includes an outer frame, and a honeycomb grid is formed in the middle of the outer frame. The side of the support block 21 close to the human body is filled with a sponge layer. The support block 21 is composed of an outer frame and a grid in the middle. Filling the side close to the human body with a sponge layer and sewing cloth on it can provide better comfort when fitting the human back, and the honeycomb structure in the middle is more breathable. For comfort, a rotatable connection can be formed between the support blocks 21 through hinge axes at both ends of the connection. Hooks 5 are also provided on the outer sides of the lower ends of the two support members 2 respectively. The hooks 5 are rotatably connected to the protruding connecting shaft through a connecting block. When the user carries a backpack, they extend to both sides of the waist of the human body and can be used for hanging. If items such as towels and water bottles are provided, their gravity is mainly directly distributed to the support member 2, which will not increase the weight of the backpack.

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 (10)

1. A detachable multifunctional back structure, which is characterized by including:

   Frame (1) mounted on the back of the backpack;

   Support member (2), the support member (2) is located on the side of the frame (1) away from the backpack, and the upper and lower ends of the support member (2) are detachable from the frame (1) respectively. Connection; the support member (2) includes at least three support blocks (21) that are hinged in sequence, and the support blocks (21) are used to be in close contact with the back of the human body.
2. A detachable multifunctional back structure according to claim 1, characterized in that the support members (2) are two and are arranged symmetrically, and the upper ends of the support members (2) are slidably connected to a first connecting member. (22), the first connecting piece (22) is magnetically connected to the upper end of the frame (1); the lower end of the supporting piece (2) is provided with a slot (23), and the slot (23) Used to connect with the lower end of the frame (1).
3. A detachable multi-functional back structure according to claim 2, characterized in that second connecting parts (11) are respectively provided on the four corners of the frame (1) on the side close to the support part (2). , one end of the second connecting piece (11) is connected to the frame (1), the other end of the second connecting piece (11) extends along its radial direction to form a truncated cone, and the first connecting piece (11) 22) and the slot (23) are respectively adapted to the second connecting piece (11).
4. A detachable multifunctional back structure according to claim 3, characterized in that a slide rail (24) is fixed in one of the support blocks (21) located at the top of the support member (2), and A chute and a through hole are provided on the side of the support block (21) close to the frame (1); the first connecting piece (22) is slidingly connected to the slide rail (24), and the The first connecting piece (22) is also fixed with a mounting ring (221) and a lever (222). The mounting ring (221) is adapted to the second connecting piece (11). The lever (222) is used to slide along the slide groove, so that the first connecting piece (22) slides along the slide rail (24), so that the mounting ring (221) corresponds to the through hole or away from the via.
5. A detachable multifunctional back structure according to claim 4, characterized in that the slide rails (24) are arranged up and down along the length direction of the frame (1), and the cross section of the mounting ring (221) It is hook-shaped, and there is a gap at the upper end of the mounting ring (221).
6. A detachable multifunctional back structure according to claim 3 or 4 or 5, characterized in that the clamping slots (23) are arranged up and down along the length direction of the frame (1), and the clamping slots (23) ) is larger than the diameter of the second connecting member (11), and a convex ring for engaging with the second connecting member (11) is protruding from the inside of the lower half of the slot (23).
7. A detachable multi-functional back structure according to claim 6, characterized in that a rod (3) and a mounting block (4) are provided between the two supporting parts (2), and the rod (3) is located at the upper end of the support member (2) and is fixedly connected to the two support members (2). The mounting block (4) is located at the lower end of the support member (2) and is connected to the two said support members (2). The support part (2) is rotatably connected.
8. A detachable multifunctional back structure according to claim 3, characterized in that the frame (1) includes a connecting rod (12) and a corner piece (13) that are detachably connected in sequence, and the connecting rod (12) ) is provided with a through groove on one side, and through holes are provided at both ends of the through groove. The corner piece (13) is provided with a clamping strip extending outward. The clamping strip is provided with a clamping piece and is connected with the The through groove is adapted to the through hole, and the second connecting piece (11) is threadedly connected to the corner piece (13).
9. A detachable multifunctional back structure according to claim 1 or 7 or 8, characterized in that each of the support blocks (21) includes an outer frame, and a honeycomb is formed in the middle of the outer frame. shaped grid, and the side of the support block (21) close to the human body is filled with a sponge layer.
10. A detachable multifunctional back structure according to claim 9, characterized in that hooks (5) are respectively provided on the outer sides of the lower ends of the two support members (2).

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