Comfortable backpack with adjustable shoulder straps

Abstract

The utility model discloses a comfortable backpack with adjustable shoulder straps, and relates to the technical field of backpacks. The knapsack comprises a knapsack body, two shoulder straps and two connecting straps are fixedly installed on one side of the knapsack body, the two shoulder straps are both located above the two connecting straps, and the adjacent shoulder straps and connecting straps are matched with each other and used for being combined to form a strap. According to the backpack disclosed by the utility model, through innovative combination of the shoulder straps, the connecting straps and the positioning components, flexible adjustment of the lengths of the shoulder straps and stable bearing are realized, and individual requirements are met; the positioning assembly is simple in structure and convenient to operate, rapid positioning is achieved through a clamping block and a spring, and external adjustment by a user is facilitated through the shifting block design; according to the connecting assembly, through ingenious arrangement of a storage box, a winding shaft, a coil spring and an elastic belt, connecting and limiting between the straps are ensured, and the stability and applicability of the backpack are improved.

Description

Technical Field

[0001] This utility model belongs to the field of backpack technology, and in particular relates to a comfortable backpack with adjustable shoulder straps. Background Technology

[0002] Backpacks are a common type of backpack used in daily life, widely adopted by students, office workers, and travelers. However, traditional backpacks still have the following problems when in use:

[0003] Traditional backpacks often have complicated and cumbersome shoulder strap adjustment methods, requiring users to spend a lot of time and effort to adjust them. In addition, some backpacks lack stability after adjustment and do not provide a good enough fixation for the backpack, which can easily cause the backpack to shake or slip off during use, affecting the user's activities. Utility Model Content

[0004] The purpose of this utility model is to provide a comfortable backpack with adjustable shoulder straps. This backpack achieves flexible adjustment of shoulder strap length and stable carrying by innovatively combining shoulder straps, connecting straps, and positioning components, meeting individual needs. The positioning component has a simple structure and is easy to operate, using a locking block and spring for quick positioning, and a lever design for easy external adjustment by the user. The connecting component, through the clever arrangement of a storage box, a rewind shaft, a coil spring, and an elastic band, ensures the connection limit between the shoulder straps, improving the backpack's stability and applicability. Furthermore, the design of the fixing strap and mounting loop allows for free adjustment of the locking box angle and storage box height, further optimizing carrying comfort and stability, and solving existing technical problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] An adjustable shoulder strap comfortable carrying backpack, comprising:

[0007] The backpack body has two shoulder straps and two connecting straps fixedly installed on one side. The two shoulder straps are located above the two connecting straps. The adjacent shoulder straps and connecting straps cooperate with each other to form a carrying strap.

[0008] It also includes two sets of positioning components, which are used to complete the combination and tightening positioning between the corresponding shoulder straps and connecting straps;

[0009] It also includes a connecting component for limiting the connection between the two shoulder straps to further ensure stable carrying of the backpack body.

[0010] Optionally, the positioning component includes a lock box disposed on one side of the shoulder strap. The lock box has a through hole inside, and one end of the connecting strap slides through the through hole. A groove is formed on the top inner wall of the through hole, and a locking block is slidably disposed inside the groove. Two springs are fixedly installed on the top of the locking block, and the top ends of the two springs are fixedly connected to the top inner wall of the groove. The bottom of the locking block has locking teeth for pressing and positioning the connecting strap inside the through hole.

[0011] Optionally, two levers are fixedly installed on both sides of the locking block, and one side of each lever penetrates through both sides of the lock box. Adjustment grooves that cooperate with the corresponding levers are provided on both sides of the lock box for moving the locking block from the outside.

[0012] Optionally, a first fixing strap is fixedly installed on one side of each of the two shoulder straps, and a first mounting collar is slidably sleeved on the outer wall of each of the two first fixing straps. Each of the two lock boxes is fixedly connected to the corresponding first mounting collar to facilitate the adjustment of the angle of the lock box.

[0013] Optionally, the connecting assembly includes two storage boxes respectively disposed on one side of the two shoulder straps. A winding shaft is rotatably connected inside each of the two storage boxes. A fixed cover is fixedly installed on the top of each of the two storage boxes. The top end of the winding shaft rotatably passes through the top of the corresponding storage box and is rotatably connected to the inner wall of the top of the corresponding fixed cover. A coil spring is sleeved on the outer wall of the winding shaft, located inside the fixed cover. One end of the coil spring is fixedly connected to the outer wall of the winding shaft, and the other end is fixedly connected to the inner wall of the fixed cover. An elastic band is wound around the outer wall of each of the two winding shafts. One end of each elastic band slides through one side of the corresponding storage box. A connecting buckle is fixedly installed on one end of each elastic band. The two connecting buckles cooperate to connect the two elastic bands.

[0014] Optionally, a second fixing strap is fixedly installed on one side of each of the two shoulder straps. The two second fixing straps are located above the adjacent first fixing straps. A second mounting collar is slidably fitted on the outer wall of each of the two second fixing straps. The two storage boxes are fixedly connected to one side of the corresponding second mounting collar to adjust the height of the storage boxes. A U-shaped clamp is provided on the top of each of the two second mounting collars. One end of the U-shaped clamp is fixedly connected to the top of the adjacent second mounting collar. The U-shaped clamp is used to clamp the adjacent second fixing straps to position the storage boxes.

[0015] The embodiments of this utility model have the following beneficial effects:

[0016] In this invention, the combination and tightening positioning of the shoulder straps and connecting straps are achieved through the design of shoulder straps, connecting straps, and positioning components. Users can adjust the length of the shoulder straps and connecting straps according to their personal needs to achieve the best carrying effect. At the same time, the positioning components ensure the stability of the shoulder straps and connecting straps after adjustment, preventing the backpack from shaking and slipping during carrying.

[0017] In this utility model, the positioning component has a simple structure and is easy to operate. Through the cooperation of the locking block and the spring, the connecting strap can be pressed and positioned. The design of the levers on both sides of the locking block allows the user to easily move the locking block from the outside, thereby realizing the quick adjustment of the shoulder strap and the connecting strap.

[0018] In this invention, the connecting component, by setting up a storage box, a winding shaft, a coil spring, and an elastic band, achieves connection and limiting between the two shoulder straps, further ensuring the stability of the backpack during carrying; at the same time, the elastic band can be adjusted according to the user's body shape and carrying needs, improving the backpack's applicability and comfort.

[0019] In this invention, the angle of the locking case and the height of the storage box are adjustable by setting a fixing strap and a corresponding mounting ring, which further improves the comfort and stability of the backpack. Users can easily adjust the shoulder straps by adjusting the angle of the locking case according to their body shape and carrying habits. At the same time, by changing the position of the storage box, the fixed position of the elastic strap can be ensured to achieve the best carrying effect.

[0020] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention;

[0023] Figure 2 This is a side sectional view of an embodiment of the present invention.

[0024] Figure 3 This is a schematic diagram of the disassembled structure of the positioning component according to an embodiment of the present invention;

[0025] Figure 4This is a schematic diagram of the connection component structure according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the disassembled structure of the connecting component according to an embodiment of the present invention.

[0027] In the diagram: 1. Backpack body; 2. Shoulder straps; 3. Connecting straps; 4. Lock box; 5. First mounting collar; 6. First fixing strap; 7. Through hole; 8. Slide groove; 9. Locking block; 10. Spring; 11. Pulling block; 12. Second fixing strap; 13. Second mounting collar; 14. Storage box; 15. Rewinding shaft; 16. Fixing cover; 17. Coil spring; 18. U-shaped clamp; 19. Elastic band; 20. Connecting buckle. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0031] Example 1: Please refer to Figure 1-5 As shown, this embodiment provides a comfortable backpack, including:

[0032] Backpack Body 1. The backpack body 1 is the main load-bearing part of the backpack, used for storing and carrying items. Two shoulder straps 2 and two connecting straps 3 are fixedly installed on one side of the backpack body 1. The two shoulder straps 2 are located above the two connecting straps 3, and adjacent shoulder straps 2 and connecting straps 3 can cooperate with each other to form the carrying straps. This design allows users to adjust the tightness of the carrying straps as needed.

[0033] To achieve the combination and tightening positioning between the shoulder strap 2 and the connecting strap 3, this embodiment also includes two sets of positioning components. Each set of positioning components is used to complete the connection between a shoulder strap 2 and a connecting strap 3. Specifically, in this embodiment, the positioning component includes a locking box 4 disposed on one side of the shoulder strap 2. A through hole 7 is provided inside the locking box 4, and one end of the connecting strap 3 can slide through this through hole 7. A groove 8 is provided on the top inner wall of the through hole 7, and a locking block 9 is slidably disposed inside the groove 8. Two springs 10 are fixedly installed on the top of the locking block 9, and the top ends of the two springs 10 are fixedly connected to the top inner wall of the groove 8. Therefore, the locking block 9 will maintain a downward pressure under the action of the springs 10. The bottom of the locking block 9 is also provided with locking teeth, which are used to press and position the connecting strap 3 that passes through the through hole 7, thereby ensuring a stable connection between the shoulder strap 2 and the connecting strap 3.

[0034] To facilitate external operation of the locking block 9, in this embodiment, a lever 11 is fixedly installed on both sides of the locking block 9. One side of each lever 11 extends through both sides of the lock box 4, and corresponding adjustment grooves are provided on both sides of the lock box 4 to cooperate with the lever 11. The user can move the locking block 9 by moving the lever 11, thereby releasing the positioning of the connecting strap 3.

[0035] Furthermore, to further improve the adjustment efficiency of the connecting strap 3, in this embodiment, a first fixing strap 6 is fixedly installed on one side of each of the two shoulder straps 2. Both first fixing straps 6 are made of elastic material, and a first mounting collar 5 is slidably fitted onto the outer wall of each of the two first fixing straps 6. The two locking cases 4 are respectively fixedly connected to the corresponding first mounting collar 5. In this way, the user can adjust the position and angle of the locking case 4 by sliding the first mounting collar 5, thereby further facilitating the adjustment of the strap tightness and improving the convenience of strap adjustment.

[0036] This application can be used in the field of backpack technology, or in other fields applicable to this application.

[0037] Example 2: Reference Figure 2 , 4 5. An improvement on Example 1: A comfortable backpack with adjustable shoulder straps, which is applied to the field of backpack technology;

[0038] To further enhance the stability of the backpack, this embodiment also includes a connecting component. This connecting component is used for connection and positioning between the two shoulder straps. Specifically, the connecting component includes two storage boxes 14 respectively disposed on one side of each of the two shoulder straps 2. A winding shaft 15 is rotatably connected inside each of the two storage boxes 14, and the winding shaft 15 can rotate freely inside the storage box 14. A fixing cover 16 is fixedly installed on the top of each of the two storage boxes 14, and the top end of the winding shaft 15 rotatably passes through the top of the corresponding storage box 14 and is rotatably connected to the inner wall of the top of the corresponding fixing cover 16. A coil spring 17 is sleeved on the outer wall of the winding shaft 15, and this coil spring 17 is located inside the fixing cover 16. One end of the coil spring 17 is fixedly connected to the outer wall of the winding shaft 15, and the other end is fixedly connected to the inner wall of the fixing cover 16. Therefore, the coil spring 17 generates a continuous torque on the winding shaft 15, so that the winding shaft 15 always remains in a wound state.

[0039] Furthermore, in this embodiment, an elastic band 19 is wound onto the outer wall of the retractor 15. One end of each of the two elastic bands 19 slides through one side of the corresponding storage box 14 and is fixedly installed with a connecting buckle 20. The two connecting buckles 20 are male and female snaps of existing buckles, which can cooperate with each other to complete the connection of the two elastic bands 19. When it is necessary to connect the two shoulder straps, the user can fasten the two connecting buckles 20 together. In this way, the tension of the elastic bands 19 and the winding force of the two coil springs 17 can further fix the two shoulder straps, which helps to ensure the stable carrying of the backpack body 1.

[0040] Similarly, to further improve carrying comfort, in this embodiment, a second fixing strap 12 is also fixedly installed on one side of each of the two shoulder straps 2. Both second fixing straps 12 are located above the adjacent first fixing straps 6. A second mounting loop 13 is slidably fitted onto the outer wall of each of the two second fixing straps 12, and the two storage boxes 14 are respectively fixedly connected to one side of the corresponding second mounting loop 13. The user can adjust the height of the storage box 14 by sliding the second mounting loop 13, thereby further adjusting the position of the elastic strap 19 to accommodate users of different body types and ensure good carrying comfort of the backpack.

[0041] In addition, in this embodiment, a U-shaped clamp 18 is provided at the top of each of the two second mounting collars 13. One end of this U-shaped clamp 18 is fixedly connected to the top of the adjacent second mounting collar 13. The U-shaped clamp 18, through its own elasticity, can clamp the adjacent second fixing strap 12, thereby completing the positioning of the storage box 14. This design can prevent the storage box 14 from moving during carrying, further improving the stability of carrying.

[0042] The usage process and working principle of this utility model technical solution are as follows:

[0043] In use, the user can combine adjacent connecting straps 3 and shoulder straps 2 to form two shoulder straps of the backpack body 1. Specifically, the user can use the lever 11 to move the corresponding locking block 9 in the locking box 4 to retract it into the slide groove 8. Then, the user can pass one end of the connecting strap 3 through the through hole 7. When the length of the shoulder strap formed between the shoulder strap 2 and the connecting strap 3 is appropriate, the user can stop moving the lever 11. At this time, under the action of the spring 10, the locking block 9 will be pushed out of the slide groove 8, and the locking teeth at its bottom can press and position the connecting strap 3, which can ensure the stability of the shoulder strap structure formed between the shoulder strap 2 and the connecting strap 3. When the user is carrying the backpack body 1, the shoulder straps formed by the shoulder straps 2 and the connecting strap 3 can also be tightened or loosened in this way. The operation is simple, quick, and convenient to use. When using the backpack normally, the user can also pull out the elastic straps 19 inside the two storage boxes 14. Through the engagement of the two connecting buckles 20, the two elastic straps 19 can be connected. At this time, under the action of the two coil springs 17, the two shoulder straps 2 can be continuously subjected to the traction force of moving closer to each other, which can further improve the carrying stability of the backpack body 1, reduce the impact of the left and right swing of the backpack body 1 on the user's activities, and ensure the comfortable carrying of the backpack body 1. When using the backpack, the user can also adjust the height of the corresponding storage box 14 along the two second fixing straps 12. The U-shaped clamp 18 can clamp the second fixing straps 12 after adjustment to complete the positioning of the storage box 14, thereby ensuring that the position of the two elastic straps 19 can adapt to users of different body types, ensuring good comfort when using the backpack.

[0044] It should be noted that in the description of this specification, descriptions such as "first" and "second" are only used to distinguish the features and do not have any actual order or directional meaning. This application is not limited to this.

[0045] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0046] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A comfortable backpack with adjustable shoulder straps, characterized in that, include: Backpack body (1), on one side of the backpack body (1) are fixedly installed two shoulder straps (2) and two connecting straps (3), the two shoulder straps (2) are located above the two connecting straps (3), and the adjacent shoulder straps (2) and connecting straps (3) cooperate with each other to form a back strap; It also includes two sets of positioning components, which are used to complete the combination and tightening positioning between the corresponding shoulder strap (2) and connecting strap (3); It also includes a connecting component for limiting the connection between the two shoulder straps to further ensure stable carrying of the backpack body (1).

2. The adjustable shoulder strap comfortable carrying backpack as described in claim 1, characterized in that, The positioning component includes a lock box (4) disposed on one side of the shoulder strap (2). The lock box (4) has a through hole (7) inside. One end of the connecting strap (3) slides through the through hole (7). The top inner wall of the through hole (7) has a groove (8). A locking block (9) is slidably disposed inside the groove (8). Two springs (10) are fixedly installed on the top of the locking block (9). The top ends of the two springs (10) are fixedly connected to the top inner wall of the groove (8). The bottom of the locking block (9) has locking teeth for pressing and positioning the connecting strap (3) inside the through hole (7).

3. The adjustable shoulder strap comfortable carrying backpack as described in claim 2, characterized in that, Both sides of the locking block (9) are fixedly installed with levers (11), and one side of each lever (11) passes through both sides of the lock box (4). Both sides of the lock box (4) are provided with adjustment grooves that cooperate with the corresponding levers (11) for moving the locking block (9) from the outside.

4. The adjustable shoulder strap comfortable carrying backpack as described in claim 2, characterized in that, One of the two shoulder straps (2) is fixedly installed on one side, and the outer wall of the two first fixing straps (6) is slidably fitted with a first mounting collar (5). The two lock boxes (4) are fixedly connected to the corresponding first mounting collar (5) for convenient adjustment of the angle of the lock box (4).

5. A comfortable backpack with adjustable shoulder straps as described in claim 4, characterized in that, The connecting assembly includes two storage boxes (14) respectively disposed on one side of the two shoulder straps (2). A winding shaft (15) is rotatably connected inside each of the two storage boxes (14). A fixing cover (16) is fixedly installed on the top of each of the two storage boxes (14). The top end of the winding shaft (15) rotatably passes through the top of the corresponding storage box (14) and is rotatably connected to the inner wall of the top of the corresponding fixing cover (16). A coil spring (17) is sleeved on the outer wall of the winding shaft (15), and the coil spring (17) is located on the fixing cover (16). Inside, one end of the coil spring (17) is fixedly connected to the outer wall of the winding shaft (15), and the other end of the coil spring (17) is fixedly connected to the inner wall of the fixed cover (16); the outer walls of the two winding shafts (15) are wound with elastic bands (19), one end of the two elastic bands (19) slides through one side of the corresponding storage box (14), and one end of the two elastic bands (19) is fixedly installed with connecting buckles (20). The two connecting buckles (20) cooperate with each other to complete the connection of the two elastic bands (19).

6. The adjustable shoulder strap comfortable carrying backpack as described in claim 5, characterized in that, A second fixing strap (12) is fixedly installed on one side of each of the two shoulder straps (2). The two second fixing straps (12) are located above the adjacent first fixing straps (6). The outer walls of the two second fixing straps (12) are slidably fitted with second mounting collars (13). The two storage boxes (14) are fixedly connected to one side of the corresponding second mounting collars (13) to complete the height adjustment of the storage boxes (14). The top of each of the two second mounting collars (13) is provided with a U-shaped clamp (18). One end of the U-shaped clamp (18) is fixedly connected to the top of the adjacent second mounting collar (13). The U-shaped clamp (18) is used to clamp the adjacent second fixing straps (12) to complete the positioning of the storage boxes (14).

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