Backpack with detachable back support structure

Abstract

The utility model discloses a backpack with a detachable back support structure, which belongs to the field of backpack and comprises a backpack component and a back support component, the backpack component comprises a backpack body, two first straps and two second straps are sewn on the back of the backpack body respectively, one end of each second strap is connected with a fastener, and the other end of each second strap is connected with a fastener. The back support assembly comprises a connecting plate installed on the surface of the backpack body, the front end of the connecting plate is detachably connected with a back support body, a lifting plate is fixedly installed on the back face of the back support body, a lifting groove is formed in the surface of the connecting plate, and a plurality of first protruding blocks are connected to the two sides of the inner wall of the lifting groove. According to the backpack disclosed by the utility model, the backpack assembly is matched with the back support assembly, so that a buffering protection effect can be achieved when a user carries the backpack on the back, the comfort is improved, and meanwhile, all parts of the backpack are convenient to disassemble and assemble through mutual matching of the structures, so that the backpack is convenient to carry, and the practicability is high. And thus, the disassembly and assembly convenience can be improved.

Description

Technical Field

[0001] The utility model relates to the field of backpacks, in particular to a double-shoulder backpack with a detachable backrest structure. Background Art

[0002] A double-shoulder backpack is a general term for backpacks carried on both shoulders. According to different uses, it can be divided into double-shoulder computer backpacks, sports double-shoulder backpacks, fashion double-shoulder backpacks, school double-shoulder backpacks and drawstring bags, military backpacks, mountaineering bags, etc. According to different materials, it can also be divided into canvas bags, Oxford cloth bags, nylon cloth bags. The existing double-shoulder backpack has a simple structure and will cause damage to the user's back and waist during long-term carrying. Therefore, it is necessary to use a double-shoulder backpack that can protect the user's back and waist and enhance practicality. In addition, it is inconvenient to disassemble the components of the existing double-shoulder backpack. Based on this, it is necessary to provide a double-shoulder backpack that is convenient to disassemble components. Content of the Utility Model

[0003] An embodiment of the utility model provides a double-shoulder backpack with a detachable backrest structure, aiming to solve the problems that the use comfort of the existing double-shoulder backpack needs to be improved and it is not convenient to disassemble at the same time.

[0004] To achieve the above object, the utility model provides a double-shoulder backpack with a detachable backrest structure, including a backpack component and a backrest component;

[0005] Among them, the backpack component includes a backpack body. Two first straps and second straps are respectively sewn on the back of the backpack body. One end of each of the two second straps is connected with a buckle;

[0006] The backrest component includes a connecting plate installed on the surface of the backpack body. The front end of the connecting plate is detachably connected with a backrest body. A lifting plate is fixedly installed on the back of the backrest body. A lifting groove is formed on the surface of the connecting plate. A plurality of first bumps are connected to both sides of the inner wall of the lifting groove. A plurality of second bumps are fixedly connected to both sides of the lifting plate. Two side plates are slidably connected to both sides of the connecting plate. A buffer pad is detachably connected between the two side plates and the backrest body. A lumbar pad is detachably connected to the back of the backpack body.

[0007] As a preferred scheme of the utility model, an installation block is fixedly installed on the back of the backpack body, and two T-shaped grooves are formed on the surface of the installation block.

[0008] As a preferred scheme of the utility model, chutes are formed on both sides of the connecting plate. The ends of the two side plates are fixedly connected with sliders, and the sliders are slidably connected inside the chutes.

[0009] As a preferred embodiment of the present utility model, a plurality of fixing blocks are fixedly connected to the back surface of the backrest body. Plugging holes are formed on the surfaces of the plurality of fixing blocks and the side plates. Both ends of the buffer pad are fixedly connected with plugging blocks, and the plugging blocks are plugged inside the plugging holes.

[0010] As a preferred embodiment of the present utility model, a plurality of ventilation holes are formed on the surface of the lumbar pad.

[0011] As a preferred embodiment of the present utility model, a fitting groove is formed on the back surface of the lumbar pad. Two T-shaped bars are fixedly connected to the inner wall of the fitting groove, and both of the T-shaped bars are slidably connected inside the T-shaped groove.

[0012] As a preferred embodiment of the present utility model, both the backrest body and the lumbar pad are made of pure cotton.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. During use, first, the first shoulder strap can be plugged into the buckle to be connected to the second shoulder strap. When the backpack body is carried on the user's back, the backrest body fits with the user's back. At the same time, the backrest body made of pure cotton in a concave structure can improve the comfort of the user's back. At the same time, controlling the movement of the backrest body and the lifting plate along the lifting groove can adjust the height of the backrest body for the use of different users. Then, the lumbar pad made of pure cotton can protect the user's waist, and at the same time, cooperating with the buffer pad can improve the buffering effect of the backrest body and further improve the comfort. Compared with the double-shoulder backpacks in the prior art, the present utility model can significantly improve the comfort of the double-shoulder backpack through the mutual cooperation of the above structures, and thus can enhance the practicality of the double-shoulder backpack;

[0015] 2. When disassembling the backrest assembly of the double-shoulder backpack, first, taking out the plugging block from the plugging hole can disassemble the buffer pad. Then, taking out the lifting plate from the lifting groove can disassemble the backrest body. Finally, taking out the T-shaped bar from the T-shaped groove can disassemble the lumbar pad. Compared with the structure of the double-shoulder backpacks in the prior art, the present utility model can facilitate the disassembly of each component of the double-shoulder backpack through the mutual cooperation of the above structures, and thus can improve the convenience of disassembly and replacement of each component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the backpack assembly of the present utility model;

[0018] Figure 3 It is an exploded view of the structure of the backpack assembly of the present utility model;

[0019] Figure 4 This is the rear view of the backpack assembly structure of the present utility model;

[0020] Figure 5 This is the schematic diagram of the lumbar pad structure of the present utility model;

[0021] Figure 6 This is the rear view of the lumbar pad structure of the present utility model.

[0022] In the figure:

[0023] 100. Backpack assembly; 101. Backpack body; 102. First strap; 103. Second strap; 104. Buckle; 111. Mounting block; 112. T-shaped groove;

[0024] 200. Backrest assembly; 201. Connecting plate; 202. Backrest body; 203. Lifting plate; 204. Lifting groove; 205. First convex block; 206. Second convex block; 207. Side plate; 208. Buffer pad; 209. Lumbar pad; 211. Sliding groove; 212. Slide block; 221. Fixed block; 222. Insertion hole; 223. Insertion block; 231. Ventilation hole; 241. Fitting groove; 242. T-shaped bar. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1-6 , the present utility model provides a double-shoulder backpack with a detachable backrest structure, including a backpack assembly 100 and a backrest assembly 200;

[0027] Among them, the backpack assembly 100 includes a backpack body 101. Two first straps 102 and second straps 103 are respectively sewn on the back of the backpack body 101, and one end of each of the two second straps 103 is connected with a buckle 104;

[0028] The backrest assembly 200 includes a connecting plate 201 installed on the surface of the backpack body 101. The front end of the connecting plate 201 is detachably connected to a backrest body 202. A lifting plate 203 is fixedly installed on the back surface of the backrest body 202. Lifting grooves 204 are formed on the surface of the connecting plate 201. A number of first protrusions 205 are connected to both sides of the inner wall of the lifting grooves 204. A number of second protrusions 206 are fixedly connected to both sides of the lifting plate 203. Two side plates 207 are slidably connected to both sides of the connecting plate 201. Buffer pads 208 are detachably connected between the two side plates 207 and the backrest body 202. A lumbar pad 209 is detachably connected to the back surface of the backpack body 101.

[0029] In a specific embodiment, the backpack assembly 100 and the backrest assembly 200 are configured to not only provide a buffering and protective effect when the user carries the backpack, improving comfort, but also facilitate the disassembly and assembly of the various components of the backpack through the cooperation of the above structures, thereby improving the convenience of disassembly and assembly. When in use, first insert the first shoulder strap 102 into the buckle 104 to connect it to the second shoulder strap 103, and then the user can carry the backpack body 101. When in use, the backrest body 202 and the lumbar pad 209 are respectively in contact with the user's back and waist. The concave-shaped backrest body 202 can cover the user's back, improving the carrying comfort. At the same time, the lumbar pad 209 can protect the user's waist, further improving the carrying comfort. In addition, by controlling the lifting plate 203 to move along the lifting groove 204, the first protrusions 205 and the second protrusions 206 are engaged with each other to fix the lifting plate 203, and thus the height of the lifting plate 203 and the backrest body 202 can be adjusted to facilitate use by different users. When disassembling, first take out the insertion block 223 from the insertion hole 222 to disassemble the buffer pad 208, then take out the lifting plate 203 from the lifting groove 204 to disassemble the backrest body 202, and then pull out the lumbar pad 209 from the upper end of the mounting block 111 to disassemble the lumbar pad 209, thereby improving the convenience of disassembling each component.

[0030] Please refer to Figure 2 , a mounting block 111 is fixedly installed on the back surface of the backpack body 101. Two T-shaped grooves 112 are formed on the surface of the mounting block 111.

[0031] In a specific embodiment, the mounting block 111 and the T-shaped grooves 112 can improve the convenience of disassembling and assembling the lumbar pad 209.

[0032] Please refer to Figures 3-6 , sliding grooves 211 are formed on both sides of the connecting plate 201. The ends of the two side plates 207 are fixedly connected with sliders 212, and the sliders 212 are slidably connected inside the sliding grooves 211.

[0033] In a specific embodiment, the slider 212 can move along the chute 211 to adjust the position of the side plate 207, so as to fit the backrest body 202, improving the convenience of use.

[0034] Please refer to Figures 3-6 , a plurality of fixing blocks 221 are fixedly connected to the back surface of the backrest body 202, insertion holes 222 are formed on the surfaces of the plurality of fixing blocks 221 and the side plate 207, insertion blocks 223 are fixedly connected to both ends of the cushion 208, and the insertion blocks 223 are inserted into the insertion holes 222.

[0035] In a specific embodiment, the insertion of the insertion block 223 into the insertion hole 222 can facilitate the disassembly, replacement and installation stability of the cushion 208.

[0036] Please refer to Figures 3-6 , a plurality of ventilation holes 231 are formed on the surface of the lumbar pad 209.

[0037] In a specific embodiment, the ventilation holes 231 can improve the ventilation effect of the lumbar pad 209 and further enhance the comfort of use.

[0038] Please refer to Figures 3-6 , a fitting groove 241 is formed on the back surface of the lumbar pad 209, two T-shaped strips 242 are fixedly connected to the inner wall of the fitting groove 241, and the two T-shaped strips 242 are slidably connected to the inside of the T-shaped groove 112.

[0039] In a specific embodiment, the lumbar pad 209 can be installed by sliding the T-shaped strip 242 into the T-shaped groove 112, and can be disassembled by removing the T-shaped strip 242 from the T-shaped groove 112.

[0040] Please refer to Figures 3-6 , both the backrest body 202 and the lumbar pad 209 are made of pure cotton.

[0041] In a specific embodiment, the backrest body 202 and the lumbar pad 209 made of pure cotton can further improve the comfort of using the backpack.

[0042] Working principle: When in use, first insert the first strap 102 into the inside of the buckle 104, so that it can be connected to the second strap 103, and then the backpack body 101 can be carried. The backrest body 202 and the lumbar pad 209 are respectively attached to the user's back and waist. The concave-shaped backrest body 202 can wrap the user's back, which can further improve the comfort of use. At the same time, the lumbar pad 209 can protect the user's waist and further improve the carrying comfort. Subsequently, control the lifting plate 203 to move along the lifting groove 204 so that the first protrusion 205 and the second protrusion 206 are engaged with each other, so that the lifting plate 203 can be fixed, and then the height of the lifting plate 203 and the backrest body 202 can be adjusted to facilitate the use of different users. When disassembling, first take out the insertion block 223 from the insertion hole 222 to disassemble the buffer pad 208, then take out the lifting plate 203 from the lifting groove 204 to disassemble the backrest body 202, and finally pull out the lumbar pad 209 from the upper end of the mounting block 111 to disassemble the lumbar pad 209. Therefore, the disassembly convenience of each component can be improved.

[0043] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-shoulder backpack with a detachable backrest structure, characterized in that, Comprising: A backpack assembly (100), the backpack assembly (100) includes a backpack body (101), two first shoulder straps (102) and a second shoulder strap (103) are respectively sewn on the back of the backpack body (101), and a buckle (104) is connected to one end of each of the two second shoulder straps (103); A backrest assembly (200), the backrest assembly (200) includes a connecting plate (201) installed on the surface of the backpack body (101), a backrest body (202) is detachably connected to the front end of the connecting plate (201), a lifting plate (203) is fixedly installed on the back of the backrest body (202), a lifting groove (204) is formed on the surface of the connecting plate (201), several first bumps (205) are connected to both sides of the inner wall of the lifting groove (204), several second bumps (206) are fixedly connected to both sides of the lifting plate (203), two side plates (207) are slidably connected to both sides of the connecting plate (201), and a buffer pad (208) is detachably connected between the two side plates (207) and the backrest body (202), and a lumbar pad (209) is detachably connected to the back of the backpack body (101).

2. The double-shoulder backpack with a detachable backrest structure according to claim 1, wherein: An installation block (111) is fixedly installed on the back of the backpack body (101), and two T-shaped grooves (112) are formed on the surface of the installation block (111).

3. A double-shoulder backpack with a detachable backrest structure according to claim 1, characterized in that: Chute (211) is formed on both sides of the connecting plate (201), a slider (212) is fixedly connected to the end of each of the two side plates (207), and the slider (212) is slidably connected to the inside of the chute (211).

4. A double-shoulder backpack with a detachable backrest structure according to claim 1, characterized in that: A plurality of fixing blocks (221) are fixedly connected to the back of the backrest body (202), insertion holes (222) are formed on the surfaces of the plurality of fixing blocks (221) and the side plates (207), insertion blocks (223) are fixedly connected to both ends of the buffer pad (208), and the insertion blocks (223) are inserted into the insertion holes (222).

5. A double-shoulder backpack with a detachable backrest structure according to claim 1, characterized in that: A plurality of ventilation holes (231) are formed on the surface of the lumbar pad (209).

6. The double-shoulder backpack with a detachable backrest structure according to claim 1, characterized in that: A fitting groove (241) is formed on the back of the lumbar pad (209), two T-shaped strips (242) are fixedly connected to the inner wall of the fitting groove (241), and the two T-shaped strips (242) are slidably connected to the inside of the T-shaped groove (112).

7. A double-shoulder backpack with a detachable backrest structure according to claim 1, characterized in that: Both the backrest body (202) and the lumbar pad (209) are made of pure cotton.

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