A backpack with adjustable back panel height

Abstract

The utility model relates to a kind of adjustable backboard height's knapsack, including bag body and double shoulder strap, bag body has back width, the edge of back width is equipped with slide rail, double shoulder strap has two straps, two straps are transversely connected with back width support body between, the both ends of back width support body are connected with sliding sleeve respectively, sliding sleeve is slidably connected between slide rail. Each shoulder strap is connected with second adjusting belt, one end of second adjusting belt is connected with the shoulder strap, the other end of first adjusting belt is connected with the top of back width. After using above-mentioned technical scheme, when using, the height of back width support body can be adjusted by the loosening adjustment of first adjusting belt and the relative sliding of sliding sleeve on slide rail, to adapt to different height. The knapsack of the utility model is simple and easy to operate, and the back width structure can be quickly adjusted. It meets the needs of users who pursue simple and easy-to-understand products that are easy to operate.

Description

Technical Field

[0001] This utility model relates to the field of backpack technology, and in particular to a backpack with an adjustable back panel height. Background Technology

[0002] Existing outdoor backpacks with adjustable shoulder straps often feature complex and cumbersome operation methods, or are difficult to understand without the instructions. Furthermore, once adjusted, they are difficult to readjust multiple times to accommodate different user heights. The human-computer interaction is also unfriendly.

[0003] In view of this, the inventor of this case conducted in-depth research, which led to the creation of this case. Utility Model Content

[0004] The purpose of this utility model is to provide a backpack that is easy to operate and has an adjustable back panel height.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An adjustable back panel backpack includes a bag body and shoulder straps. The bag body has a back panel with a slide rail along its edge. The shoulder straps have two shoulder straps, and a back panel support is horizontally connected between the two shoulder straps. Sliding sleeves are connected to both ends of the back panel support, and the sliding sleeves are slidably connected to the slide rails.

[0007] The back support is connected to a first adjustment belt, which is adjustable between the back support and the lower middle part of the back.

[0008] Furthermore, each of the shoulder straps is connected to a second adjustment strap, one end of which is connected to the shoulder strap, and the other end of which is connected to the top of the back panel.

[0009] Furthermore, the other end of the second adjustment strap is adjustablely connected to the top of the back panel via a snap fastener;

[0010] The first adjustment strap is folded into a herringbone shape by a square buckle, which is fixed to the middle of the back panel support. One end of the first adjustment strap is connected to the lower middle part of the back panel side edge. The other end of the second adjustment strap is connected to the lower middle part of the back panel side edge in an adjustable manner by a clasp.

[0011] Furthermore, the slide rail is an inverted U-shaped support bar.

[0012] Furthermore, a mesh layer is connected to the back panel facing the back of the human body, and an interlayer is formed between the back panel and the mesh layer. A perforated back plate is installed in the interlayer. Several perforated EVA blocks are composited on the side of the perforated back plate facing the back of the human body.

[0013] Furthermore, the perforated back panel is a plastic back panel with several perforated holes. The perforations of the EVA blocks correspond to the perforated holes, and each EVA block protrudes outwards, with ventilation grooves formed between each EVA block.

[0014] Furthermore, the plastic back plate has first grooves along the inner edge of the human scapula, the position of the human spine, and the positions of the two sides of the back.

[0015] Furthermore, the hollowed-out back panel layer is S-shaped and twisted to match the human spine support point.

[0016] Furthermore, the bottom of the back panel is a waist belt section, and a pressure plate is provided on the side of the back panel facing the back of the human body. The pressure plate is located on the waist belt section and is arc-shaped and protruding.

[0017] Furthermore, the pressure sheet has several second grooves on the side facing the human body.

[0018] By adopting the above technical solution, this utility model of an adjustable back panel backpack has the following beneficial effects: In use, the height of the back support can be adjusted by loosening the first adjusting strap and by the relative sliding of the sliding sleeve on the slide rail to accommodate different heights, i.e., adjusting the back panel height. Furthermore, by tightening the adjusting strap, the length of the adjusting strap is fixed, thereby fixing the position of the sliding sleeve relative to the slide rail during use, facilitating the use of the shoulder straps. This utility model's backpack features a simple and quickly adjustable back panel structure, thus addressing users' needs for products that are simple, easy to understand, and easy to operate.

[0019] Furthermore, the design incorporates a perforated back panel, perforated EVA, and an S-shaped twisted design to facilitate air circulation while providing excellent breathability and support, ensuring the comfort and functionality required for heavy-duty backpacks.

[0020] Furthermore, the pressure plate has an arc-shaped convex shape, which improves the comfort of lumbar support. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the backpack of this utility model;

[0022] Figure 2 This is a structural schematic diagram of the backpack of this utility model (compared to...). Figure 1 (Shoulder straps are low)

[0023] Figure 3 This is a schematic diagram of the structure of the backpack of this utility model (shoulder straps omitted);

[0024] Figure 4 This is a schematic diagram of the structure of the hollow back panel of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the pressure film of this utility model.

[0026] In the picture:

[0027] Body 1; Back panel 11;

[0028] 12 mesh layers; 2 shoulder straps;

[0029] Slide rail 31; Slide sleeve 32;

[0030] Back support 4; First adjustment belt 51;

[0031] Square buckle 511; hollowed-out back panel 6;

[0032] EVA block 61; ventilation groove 62;

[0033] Hole 63; First groove 64;

[0034] Pressure film 7; second groove 71. Detailed Implementation

[0035] This utility model relates to a backpack with an adjustable back panel height, such as... Figures 1-3 As shown, the bag includes a body 1 and two shoulder straps. The body 1 has a back panel 11. The shoulder straps have two shoulder straps 2. The edges of the back panel 11 are provided with slide rails 31. A back panel support 4 is laterally connected between the two shoulder straps 2. The back panel support 4 is specifically strip-shaped, and each end of the back panel support 4 is connected to a sliding sleeve 32. The sliding sleeve 31 is slidably connected to the slide rail 32. In this embodiment, the sliding sleeve 31 can specifically be a webbing sleeve.

[0036] The back support body 4 is connected to a first adjustment belt 51, which is connected in an adjustable manner between the back support body 4 and the lower middle part of the back 11.

[0037] This utility model discloses a backpack with an adjustable back panel height. In use, the height of the back support 4 can be adjusted by loosening the first adjusting strap 51 and by sliding the sliding sleeve 31 relative to the slide rail 32, thus accommodating different heights, i.e., adjusting the back panel height. Furthermore, by tightening the adjusting strap 51, the length of the adjusting strap is fixed, thereby fixing the position of the sliding sleeve 31 relative to the slide rail 32 during use, facilitating the use of the shoulder straps 2. (Reference) Figure 1 and Figure 2 The relative positions of shoulder strap 2 are shown. Figure 2 The shoulder strap is Figure 1 The shoulder strap 2 was adjusted downwards.

[0038] In a preferred embodiment, each of the two shoulder straps 2 is connected to a second adjustment strap 52. One end of the second adjustment strap 52 is connected to the shoulder strap 2, and the other end of the second adjustment strap 52 is connected to the top of the back panel 11. This makes the shoulder straps 2 more securely fixed during use.

[0039] Furthermore, the other end of the second adjustment strap 52 is connected to the top of the back panel 11 in an adjustable manner via a buckle. The second adjustment strap 52 is a webbing. The buckle can be used to adjust the curvature of the shoulder strap to adapt to different consumer habits and body shapes, while also playing a role in sharing the load.

[0040] The first adjustment strap 51 is folded and arranged in a herringbone shape via a square buckle 511. The square buckle 511 is fixed to the middle of the back panel support 4. One end of the first adjustment strap 51 is connected to the lower middle part of the side edge of the back panel 11; the other end of the first adjustment strap 51 is connected to the lower middle part of the side edge of the back panel 11 in an adjustable manner via a tassel buckle. The first adjustment strap 51 is a webbing. The height of the movable back panel support 4 can be adjusted by the adjustable tassel buckle to accommodate different consumer body shapes.

[0041] In one preferred embodiment, the slide rail 31 is an inverted U-shaped support bar, forming a composite ergonomic support frame. Specifically, the slide rail 31 can be an iron bar. It serves as both longitudinal support strength and a sliding track for the webbing.

[0042] In one preferred embodiment, a mesh layer 12 is connected to the side of the back panel 11 facing the back of the human body, and a sandwich layer is formed between the back panel 11 and the mesh layer 12, wherein a perforated back panel 6 is installed within the sandwich layer. Figure 4 As shown, the side of the hollow back panel 6 facing the back of the human body is composited with several perforated EVA blocks 61.

[0043] Furthermore, the perforated back panel 6 is made of plastic and has several perforations 63. The perforations in the EVA blocks 61 correspond to the perforations 63. The EVA blocks 61 are protruding, and ventilation grooves 62 are formed between each EVA block 61. This increases comfort while ensuring ventilation and heat dissipation. The plastic back panel is detachably installed within the interlayer.

[0044] Furthermore, the plastic back panel has first grooves 64 along the inner edge of the human scapula, the position of the human spine, and the positions of the two sides of the back.

[0045] Furthermore, the perforated back panel is designed with an S-shaped twist, the twist being slight enough to match the human spine's support points.

[0046] In a preferred embodiment, the bottom of the back panel 11 is a waist belt section, and a pressure plate 7 is provided on the side of the back panel facing the back of the user. The pressure plate 7 is located in the waist belt section and is arc-shaped and protruding, improving the comfort of lumbar support. The waist belt section of the backpack is connected to both sides of the pressure plate 7. Combined with the slide rail 31 (iron bar) as the main load-bearing axis, the weight of the backpack is transferred to the waist belt through the back panel structure. The webbing system can dynamically distribute the force ratio of the shoulders and waist.

[0047] Furthermore, such as Figure 5 As shown, the pressure sheet 7 has several second grooves 71 on the side facing the human body. This improves the breathability of the waist area.

[0048] The above embodiments and accompanying drawings are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. A backpack with an adjustable back panel height, characterized in that: The bag includes a body and two shoulder straps. The body has a back panel with a slide rail on the edge. The shoulder straps have two shoulder straps and a back panel support is horizontally connected between the two shoulder straps. Sliding sleeves are connected to both ends of the back panel support and are slidably connected to the slide rails. The back support is connected to a first adjustment belt, which is adjustable between the back support and the lower middle part of the back.

2. The backpack with an adjustable back panel height as described in claim 1, characterized in that: Each of the shoulder straps is connected to a second adjustment strap, one end of which is connected to the shoulder strap, and the other end of which is connected to the top of the back panel.

3. A backpack with an adjustable back panel height as described in claim 2, characterized in that: The other end of the second adjustment strap is connected to the top of the back panel in an adjustable manner via a buckle; The first adjustment strap is folded into a herringbone shape by a square buckle, which is fixed to the middle of the back panel support. One end of the first adjustment strap is connected to the lower middle part of the back panel side edge. The other end of the second adjustment strap is connected to the lower middle part of the back panel side edge in an adjustable manner by a clasp.

4. A backpack with an adjustable back panel height as described in claim 1, characterized in that: The slide rail is an inverted U-shaped support bar.

5. A backpack with an adjustable back panel height as described in claim 1, characterized in that: The back panel is connected to a mesh layer on the side facing the back of the human body, and an interlayer is formed between the back panel and the mesh layer. A perforated back plate is installed in the interlayer. Several perforated EVA blocks are laminated on the side of the perforated back plate facing the back of the human body.

6. A backpack with an adjustable back panel height as described in claim 5, characterized in that: The perforated back panel is made of plastic and has several perforated holes. The perforations of the EVA blocks correspond to the perforated holes. Each EVA block protrudes and a ventilation groove is formed between each EVA block.

7. A backpack with an adjustable back panel height as described in claim 6, characterized in that: The plastic back panel has first grooves along the inner edge of the human scapula, the position of the human spine, and the positions of the two sides of the back.

8. A backpack with an adjustable back panel height as described in claim 6, characterized in that: The S-shaped twist of the hollowed-out back panel layer is designed to match the human spine support point.

9. A backpack with an adjustable back panel height as described in claim 1, characterized in that: The bottom of the back panel is a waist belt section, and a pressure plate is provided on the side of the back panel facing the back of the human body. The pressure plate is located on the waist belt section and is arc-shaped and protruding.

10. A backpack with an adjustable back panel height as described in claim 9, characterized in that: The side of the pressure sheet facing the human body has several second grooves.

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