Backpack with straps convenient to adjust

Abstract

The utility model discloses a backpack with straps convenient to adjust, the top of a backpack body is connected with a first fixing seat, the top of a first strap is connected in the first fixing seat, the bottom of the first strap is connected with a first fixing block, a fixing groove is arranged in the first fixing block, and a tension shaft and a magnet shaft are arranged in the fixing groove; a second fixing seat is connected to the bottom of the backpack body, the top of a second strap is connected to the interior of the second fixing seat, a magnet strip is arranged on the outer side of the second strap, the second strap penetrates through the fixing groove and the middle of the tension shaft and the magnet shaft, and a connecting belt is arranged at the bottom of the backpack body. The second strap is fixed between the tension shaft and the magnet shaft through the fixing groove formed in the first fixing block, so that the magnet strip outside the second strap is attracted to the magnet shaft, the second strap is fixed, and when a user adjusts the shoulder strap, the second strap can be pulled downwards, so that the tension is larger than the attraction force, and the second strap is driven to move.

Description

Technical Field

[0001] The utility model relates to the technical field of backpacks, in particular to a backpack with easy-to-adjust shoulder straps. Background Art

[0002] Backpack is a general term for backpacks that are carried on the shoulders. According to the different uses of backpacks, they are divided into computer backpacks, sports backpacks, fashion backpacks, school backpacks, drawstring bags, military backpacks, mountaineering bags, etc. According to the different materials, they can be canvas bags, Oxford cloth bags, nylon cloth bags, etc. The back structure of the backpack directly determines the purpose and grade of the backpack. The structure of the back of branded computer backpacks is relatively complex, with at least six pieces of pearl cotton or EVA as breathable pads, and even aluminum frames. However, the existing backpacks have some shortcomings during use, such as

[0003] Publication number: CN111802788A is a multifunctional backpack. The device is also designed with a protrusion with a height mark on the shoulder strap, which can effectively adjust the most suitable support points for balancing the shoulders, back and hips according to the height and better fix the position of the backpack. The shoulder strap is made of EVA resin material, which makes the shoulder strap of the backpack softer, more elastic and corrosion-resistant during use. The multifunctional backpack of the present invention can be stored wet or dry and has good air permeability. However, in actual use, since the shoulder strap is fixed by a clip body, the shoulder strap may be difficult to adjust during use, thereby reducing the adjustability of the device. Summary of the invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide: a backpack with easy-to-adjust shoulder straps.

[0005] The purpose of the utility model is achieved through the following technical solutions: a backpack with easy-to-adjust shoulder straps, comprising a backpack body, and a first shoulder strap and a second shoulder strap connected to the backpack body, a first fixing seat connected to the top of the backpack body, and a top of the first shoulder strap connected to the inside of the first fixing seat, and a first fixing block connected to the bottom of the first shoulder strap, a fixing groove is provided inside the first fixing block, and a tension shaft and a magnet shaft are provided inside the fixing groove;

[0006] A second fixing seat is connected to the bottom of the backpack body, and the top of the second shoulder strap is connected to the inside of the second fixing seat, and a magnet strip is provided on the outside of the second shoulder strap, the second shoulder strap passes through the fixing slot, and the second shoulder strap passes between the tension axis and the magnet axis, and a connecting belt is provided at the bottom of the backpack body, and the connecting belt is connected to a second fixing block, and the second fixing block limits the second shoulder strap.

[0007] The second shoulder strap is fixed between the tension axis and the magnet axis by a fixing groove arranged inside the first fixing block, so that the magnet bar outside the second shoulder strap is adsorbed with the magnet axis, thereby fixing the second shoulder strap. When the user adjusts the shoulder strap, the second shoulder strap can be pulled down to make the tension greater than the suction force, thereby driving the second shoulder strap to move, or the position of the second shoulder strap can be adjusted by raising the magnet axis.

[0008] As a preferred technical solution of the present utility model, a handle is connected to the top of the backpack body, and a protective plate is connected to the front side of the backpack body.

[0009] The adoption of the above technical solution enables the protective plate to protect the front part of the backpack body, thereby increasing the protectiveness of the device when in use.

[0010] As a preferred technical solution of the utility model, the outer side of the magnet shaft is connected to the torsion shaft, and the magnet shaft is slidably connected to a fixing groove arranged inside the first fixing block.

[0011] The adoption of the above technical solution enables the user to adjust the magnet axis more conveniently, thereby increasing the adjustability of the device.

[0012] As a preferred technical solution of the present utility model, a fixed shaft is connected to the bottom of the backpack body, and the backpack body is rotatably connected to the connecting belt through the fixed shaft.

[0013] The adoption of the above technical solution can make the backpack more stable when the connecting belt is fixed, thereby making the device more secure when in use.

[0014] As a preferred technical solution of the utility model, a set of fixed belts is connected to the outer side of the second fixed block, and the left and right sides of the fixed belts are fixedly connected to the second fixed block, and the fixed belts are made of flexible fabric with a certain elasticity, and the fixed belts are fabric elastic belts, and the fixed elongation force of the fabric elastic belts is 50-65N, and the elongation of the fabric elastic belts is 115%-125%.

[0015] The adoption of the above technical solution can enable the fixed waist belt to limit the second fixed block, thereby better enabling the fixed waist belt to limit the second fixed block, thereby increasing the firmness of the device when in use.

[0016] As a preferred technical solution of the utility model, a group of buckles are provided in the middle of the fixed waist belt, and the buckles are fixedly connected to the fixed waist belt.

[0017] The adoption of the above technical solution enables the user to better adjust the length of the fixed waist belt, making it more convenient to adjust the fixed waist belt, thereby increasing the adjustability of the device during use.

[0018] As a preferred technical solution of the utility model, a protective cloth layer is provided on the outer side of the first shoulder strap and the second shoulder strap, and the magnet strip on the outer side of the second shoulder strap is located inside the protective cloth.

[0019] The adoption of the above technical solution enables the protective fabric layer to protect the outer sides of the first shoulder strap and the second shoulder strap, thereby increasing the protectiveness of the device.

[0020] The beneficial effect of the utility model is that the second shoulder strap is fixed between the tension axis and the magnet axis by the fixing groove arranged inside the first fixing block, so that the magnet strip outside the second shoulder strap is adsorbed with the magnet axis, thereby fixing the second shoulder strap. When the user adjusts the shoulder strap, the second shoulder strap can be pulled down to make the tension greater than the suction force, thereby driving the second shoulder strap to move, or the position of the second shoulder strap can be adjusted by moving the magnet axis upward.

[0021] Furthermore, by setting the fixed waist belt, the fixed waist belt can limit the second fixed block, so that the fixed waist belt can better limit the second fixed block, thereby increasing the firmness of the device when in use;

[0022] Furthermore, by setting the buckle, the user can better adjust the length of the fixed belt, making it more convenient to adjust the fixed belt, thereby increasing the adjustability of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the rear elevation structure of the utility model;

[0024] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0025] Figure 3 It is a schematic elevational structural diagram of the fixed shaft and the magnet shaft of the utility model;

[0026] Figure 4 This is a schematic elevational structural diagram of a fixed waist belt of the utility model;

[0027] Figure 5 It is a schematic diagram of the front elevation structure of the utility model.

[0028] In the figure: 1. backpack body; 2. handle; 3. first fixed seat; 4. first shoulder strap; 5. tension axis; 6. magnet axis; 7. torsion axis; 8. second fixed seat; 9. second shoulder strap; 10. magnet bar; 11. first fixed block; 12. second fixed block; 13. fixed belt; 14. fixed groove; 15. protective plate; 16. fixed axis; 17. connecting belt; 18. buckle. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0030] In order to solve the problem that the shoulder straps of a backpack in the prior art are difficult to adjust, the following solution is disclosed. A backpack with easily adjustable shoulder straps comprises a backpack body 1, and a first shoulder strap 4 and a second shoulder strap 9 connected to the backpack body 1, a first fixing seat 3 is connected to the top of the backpack body 1, and the top of the first shoulder strap 4 is connected to the inside of the first fixing seat 3, and a first fixing block 11 is connected to the bottom of the first shoulder strap 4, a fixing groove 14 is provided inside the first fixing block 11, and a tension shaft 5 and a magnet shaft 6 are provided inside the fixing groove 14;

[0031] A second fixing seat 8 is connected to the bottom of the backpack body 1, and the top of the second shoulder strap 9 is connected to the inside of the second fixing seat 8, and a magnet strip 10 is provided on the outside of the second shoulder strap 9, the second shoulder strap 9 passes through the fixing slot 14, and the second shoulder strap 9 passes between the tension axis 5 and the magnet axis 6, and a connecting belt 17 is provided at the bottom of the backpack body 1, and the connecting belt 17 is connected to the second fixing block 12, and the second fixing block 12 limits the second shoulder strap 9;

[0032] When using the backpack with easy-to-adjust shoulder straps, firstly, the second shoulder strap 9 is passed through the fixing groove 14 provided inside the first fixing block 11, so that the second shoulder strap 9 passes between the tension axis 5 and the magnet axis 6. At this time, the magnet strip 10 provided outside the second shoulder strap 9 will be adsorbed with the magnet axis 6, so that the magnet axis 6 fixes the second shoulder strap 9. When the user adjusts the second shoulder strap 9, the second shoulder strap 9 can be pulled down so that the tension is greater than the adsorption force, so that the magnet axis 6 adsorbs the next section of the magnet strip 10. When the second shoulder strap 9 is moving, the second fixing block 12 will limit the second shoulder strap 9, thereby increasing the stability of the backpack during adjustment.

[0033] A handle 2 is connected to the top of the backpack body 1, and a protective plate 15 is connected to the front side of the backpack body 1. The outer side of the magnet shaft 6 is connected to the torsion shaft 7, and the magnet shaft 6 is slidably connected to a fixing groove 14 provided inside the first fixing block 11; a fixing shaft 16 is connected to the bottom of the backpack body 1, and the backpack body 1 is rotatably connected to the connecting belt 17 through the fixing shaft 16;

[0034] When the second fixing block 12 limits the second shoulder strap 9 , the fixing belt 13 and the connecting belt 17 will limit the second fixing block 12 , and the user can adjust the length of the fixing belt 13 by adjusting the buckle 18 .

[0035] A set of fixed belts 13 are connected to the outer side of the second fixed block 12, and the left and right sides of the fixed belts 13 are fixedly connected to the second fixed block 12, and the fixed belts 13 are made of flexible fabric with a certain degree of elasticity; a set of buckles 18 are provided in the middle of the fixed belts 13, and the buckles 18 are fixedly connected to the fixed belts 13; protective fabric layers are provided on the outer sides of the first shoulder strap 4 and the second shoulder strap 9, and the magnet strip 10 on the outer side of the second shoulder strap 9 is located inside the protective fabric, and when the user adjusts the position of the magnet shaft 6, the magnet shaft 6 can be adjusted by twisting the torsion shaft 7.

[0036] Working principle: When using the backpack with easy-to-adjust shoulder straps, firstly, the second shoulder strap 9 is passed through the fixing groove 14 provided inside the first fixing block 11, so that the second shoulder strap 9 passes between the tension axis 5 and the magnet axis 6. At this time, the magnet strip 10 provided outside the second shoulder strap 9 will be adsorbed with the magnet axis 6, so that the magnet axis 6 fixes the second shoulder strap 9. When the user adjusts the second shoulder strap 9, the second shoulder strap 9 can be pulled down so that the tension is greater than the adsorption force, so that the magnet axis 6 adsorbs the next section of the magnet strip 10. When the second shoulder strap 9 is moving, the second fixing block 12 will limit the second shoulder strap 9, thereby increasing the stability of the backpack during adjustment.

[0037] When the second fixing block 12 is limiting the position of the second shoulder strap 9, the fixed waist belt 13 and the connecting belt 17 will limit the second fixing block 12, and the user can adjust the length of the fixed waist belt 13 by adjusting the buckle 18, and when the user adjusts the position of the magnet shaft 6, the magnet shaft 6 can be adjusted by twisting the torsion shaft 7.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A backpack with easily adjustable shoulder straps, comprising a backpack body (1), and a first shoulder strap (4) and a second shoulder strap (9) both connected to the backpack body (1), characterized in that: The top of the backpack body (1) is connected to a first fixing seat (3), the top of the first shoulder strap (4) is connected to the inside of the first fixing seat (3), and the bottom of the first shoulder strap (4) is connected to a first fixing block (11), a fixing groove (14) is provided inside the first fixing block (11), and a tension shaft (5) and a magnet shaft (6) are provided inside the fixing groove (14); The bottom of the backpack body (1) is connected to a second fixing seat (8), and the top of the second shoulder strap (9) is connected to the inside of the second fixing seat (8), and a magnet strip (10) is provided on the outside of the second shoulder strap (9), the second shoulder strap (9) passes through a fixing groove (14), and the second shoulder strap (9) passes between the tension axis (5) and the magnet axis (6), and a connecting belt (17) is provided at the bottom of the backpack body (1), and the connecting belt (17) is connected to a second fixing block (12), and the second fixing block (12) limits the second shoulder strap (9).

2. A backpack with easily adjustable straps according to claim 1, characterized in that: A handle (2) is fixedly connected to the top of the backpack body (1), and a protective plate (15) is connected to the front side of the backpack body (1).

3. A backpack with easily adjustable straps according to claim 1, characterized in that: The outer side of the magnet shaft (6) is connected to the torsion shaft (7), and the magnet shaft (6) is slidably connected to a fixing groove (14) arranged inside the first fixing block (11).

4. A backpack with easily adjustable straps according to claim 2, characterized in that: The bottom of the backpack body (1) is connected to a fixed shaft (16), and the backpack body (1) is rotatably connected to a connecting belt (17) via the fixed shaft (16).

5. The backpack with easily adjustable straps according to claim 1, characterized in that: A set of fixed waist belts (13) are connected to the outer side of the second fixed block (12), and both left and right sides of the fixed waist belts (13) are fixedly connected to the second fixed block (12), and the fixed waist belts (13) are made of flexible fabric with certain elasticity.

6. A backpack with easily adjustable shoulder straps according to claim 5, characterized in that: A group of buckles (18) are provided in the middle of the fixed waist belt (13), and the buckles (18) are fixedly connected to the fixed waist belt (13).

7. The backpack with easily adjustable straps according to claim 1, characterized in that: The outer sides of the first shoulder strap (4) and the second shoulder strap (9) are both provided with a protective cloth layer, and the magnet strip (10) on the outer side of the second shoulder strap (9) is located inside the protective cloth.

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