Backpack with waist supporting structure

Abstract

The utility model discloses a backpack with a waist support structure, which comprises a backpack main body, an adjusting seat is arranged in the middle of the front end of the backpack main body, a threaded rod is rotatably arranged in the adjusting seat, a moving block is in threaded connection with the outside of the threaded rod, a fixed plate is arranged at the front end of the moving block, and a waist support is arranged at the front end of the fixed plate. A supporting air bag is fixedly adhered to the front end of the fixing plate, a transmission cavity is formed in the upper end of the interior of the adjusting seat, a rotating shaft is rotationally arranged in the transmission cavity, and one end of the rotating shaft is fixedly connected with the threaded rod. According to the backpack with the waist supporting structure, the supporting air bag at the front end of the fixing plate can be attached to and support the waist of a user, the pressure of the weight of the backpack body on the shoulders and the back can be effectively dispersed, and meanwhile the moving block can drive the fixing plate to conduct vertical height adjustment; therefore, the waist support requirements of users with different heights can be met, and the optimal fitness of waist support is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of backpacks, in particular to a backpack with a waist supporting structure. Background Art

[0002] A backpack is a convenient tool for carrying items. It is usually made of cloth, leather or other synthetic materials and is designed with shoulder straps or hand straps to facilitate people to hang items on their shoulders or carry them in hand. Backpacks come in a variety of styles and sizes to suit different occasions and needs, such as traveling, going to work, attending school, exercising, etc. Backpacks can be divided into many types according to their functions and uses. Everyday backpacks are suitable for daily travel such as going to school and working. They are usually designed to be simple and elegant, with moderate capacity, making it easy to carry daily necessities such as laptops, stationery, and wallets. Travel backpacks are designed for long-distance travel and have a larger capacity. They are usually equipped with multiple compartments and pockets for convenient classification and storage of necessities such as clothing and toiletries. In addition, there are many types such as sports backpacks and fashion backpacks to meet the needs of different groups of people.

[0003] The existing Chinese patent with announcement number CN218588463U discloses a backpack, including a backpack main body and shoulder straps arranged on the backpack main body, and also includes a hanger, both ends of which are connected to the backpack main body, and after being folded at least once, at least two hanging sections located outside the backpack main body are formed, the first end of the hanger is fixedly connected or detachably connected to the backpack main body, the second end of the hanger is fixedly connected or detachably connected to the backpack main body, and a plane angle is formed between adjacent hanging sections, the plane angle is 10°-35°, and also includes a limiting ring, which is arranged on opposite sides of the backpack main body, and the hanger passes through the limiting rings on the opposite sides in sequence to form hanging sections.

[0004] Although the above solution is convenient for carrying skateboards, the backpack mainly relies on the shoulders to bear the force when carrying it, and lacks sufficient waist support. When carrying skateboards or other heavy objects for a long time, the shoulders and back will feel tired or uncomfortable. Therefore, it does not meet the existing needs. In this regard, we propose a backpack with a waist support structure. Utility Model Content

[0005] The purpose of the present invention is to provide a backpack with a waist support structure to solve the problem that the backpack proposed in the above background art lacks a waist support structure, which causes fatigue or discomfort in the shoulders and back.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a backpack with a waist support structure, comprising a backpack main body, an adjustment seat is provided at the middle position of the front end of the backpack main body, a threaded rod is rotatably provided inside the adjustment seat, a moving block is connected to the external thread of the threaded rod, a fixed plate is provided at the front end of the moving block, a support airbag is adhered and fixed to the front end of the fixed plate, a transmission cavity is provided at the upper end inside the adjustment seat, a rotating shaft is rotatably provided inside the transmission cavity, and one end of the rotating shaft is fixedly connected to the threaded rod.

[0007] Preferably, a transmission worm wheel is provided on the outer wall of the rotating shaft at one end inside the transmission cavity, a transmission worm is provided on the front side of the transmission cavity, and one end of the transmission worm is rotatably connected to the transmission cavity, and worm transmission is performed between the transmission worm and the transmission worm wheel.

[0008] Preferably, a rotating rod is provided at one end of the transmission worm, the original end of the rotating rod passes through and extends to the outside of the transmission cavity, and the rotating rod rotates with the transmission cavity, and a knob is installed at the end of the rotating rod located outside the transmission cavity.

[0009] Preferably, guide rods are adhered and fixed to both sides of the interior of the adjustment seat, the guide rods pass through the moving block, and the guide rods and the moving block are in sliding cooperation.

[0010] Preferably, elastic bands are provided on both sides of the fixing plate.

[0011] Preferably, a Velcro tape is sewn on the inner side of one of the elastic bands, and a Velcro tape is sewn on the outer side of the other elastic band.

[0012] Preferably, support cotton is provided at the front end of the backpack body, and the support cotton is located outside the adjustment seat.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is provided with an adjustment seat and support cotton at the front end of the backpack body, and a fixing plate is provided in front of the adjustment seat. When in use, the support airbag at the front end of the fixing plate can fit and support the user's waist, thereby effectively dispersing the pressure of the backpack body weight on the shoulders and back, improving the carrying comfort, and by rotating the threaded rod inside the adjustment seat, the height of the movable block with the fixing plate can be adjusted up and down, thereby meeting the waist support needs of users of different heights and ensuring the best fit of the waist support.

[0015] 2. The utility model opens a transmission cavity at the upper end of the adjustment seat. When the threaded rod is rotated, the knob can be turned, and the knob will cause the rotating rod to drive the transmission worm to rotate. The worm transmission between the transmission worm and the transmission worm wheel can cause the transmission worm wheel to drive the rotating shaft to rotate the threaded rod, thereby realizing the rotation of the threaded rod quickly and conveniently. Since the worm transmission has self-locking properties, after adjusting to the appropriate lumbar support position, even if there is vibration in the external environment or the backpack is subjected to unexpected impact, the threaded rod can maintain a stable position and will not be easily loosened or changed in position due to external forces, thereby enhancing the stability and reliability of the backpack's lumbar support system and ensuring that the user has a consistent support effect when carrying the backpack for a long time or doing strenuous exercise, effectively avoiding physical discomfort or safety hazards caused by unstable support.

[0016] 3. The utility model provides elastic bands on both sides of the fixing plate, wherein a Velcro is sewn on the inner side of one of the elastic bands, and a Velcro is sewn on the outer side of the other elastic band. The user can adjust the tightness of the elastic bands and the bonding position of the Velcro and Velcro according to personal body shape and comfort requirements to ensure that the backpack fits tightly around the waist, effectively preventing the backpack from shaking during walking or running, and improving the stability and safety of the backpack. At the same time, the design of the Velcro and Velcro makes it extremely convenient to put on and take off the backpack. The user only needs to simply bond or separate the Velcro and Velcro to quickly complete the process of putting on or taking off the backpack. There is no need for complicated operating steps or additional auxiliary tools, which greatly saves time and energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a front view schematic diagram of the internal structure of the adjustment seat of the utility model;

[0019] Figure 3 This is a top view of the internal structure of the adjustment seat of the utility model;

[0020] Figure 4 For the utility model Figure 2 A partial enlarged view of area A in the middle;

[0021] Figure 5 For the utility model Figure 3 A partial enlarged view of area B in the middle.

[0022] In the figure: 1. Backpack body; 2. Support cotton; 3. Adjustment seat; 4. Threaded rod; 5. Moving block; 6. Guide rod; 7. Fixed plate; 8. Support airbag; 9. Elastic band; 10. Velcro; 11. Velcro; 12. Transmission chamber; 13. Knob; 14. Rotating rod; 15. Rotating shaft; 16. Transmission worm gear; 17. Transmission worm. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 The utility model provides a technical solution: a backpack with a waist support structure, comprising a backpack main body 1, an adjustment seat 3 is provided at the middle position of the front end of the backpack main body 1, a threaded rod 4 is provided for rotation inside the adjustment seat 3, a moving block 5 is connected to the external thread of the threaded rod 4, a fixing plate 7 is provided at the front end of the moving block 5, a support airbag 8 is adhered and fixed to the front end of the fixing plate 7, a transmission cavity 12 is provided at the upper end inside the adjustment seat 3, a rotating shaft 15 is provided for rotation inside the transmission cavity 12, and one end of the rotating shaft 15 is fixedly connected to the threaded rod 4.

[0025] When in use, turn the knob 13, which drives the rotating rod 14 and the transmission worm 17 to rotate in the transmission cavity 12. Through the worm transmission, the transmission worm 17 drives the transmission worm wheel 16 and the rotating shaft 15 to rotate synchronously, thereby driving the threaded rod 4 to rotate. The rotation of the threaded rod 4 is converted into the up and down sliding of the moving block 5 along the guide rod 6, which can realize the height adjustment of the support airbag 8. The user can adjust it to the optimal waist support position according to personal needs. After the adjustment is completed, the backpack body 1 is fixed by adhering the Velcro 10 and the Velcro 11 on the elastic belt 9 to ensure that the backpack fits the waist stably and comfortably, and the disassembly and assembly are simple and quick.

[0026] See also Figure 4 and Figure 5 A transmission worm wheel 16 is provided on the outer wall of the rotating shaft 15 at one end of the transmission cavity 12, and a transmission worm 17 is provided on the front side of the transmission cavity 12, and one end of the transmission worm 17 is rotatably connected to the transmission cavity 12. A worm transmission is performed between the transmission worm 17 and the transmission worm wheel 16. The self-locking property of the worm transmission effectively prevents accidental loosening caused by external force during the adjustment process, thereby ensuring stable adjustment of the lumbar support height.

[0027] See also Figure 4 and Figure 5A rotating rod 14 is provided at one end of the transmission worm 17. The original end of the rotating rod 14 passes through and extends to the outside of the transmission cavity 12, and the rotating rod 14 rotates with the transmission cavity 12. A knob 13 is installed at the end of the rotating rod 14 located outside the transmission cavity 12. The user can easily rotate the transmission worm 17 by simply rotating the knob 13, thereby driving the entire adjustment mechanism to work. The operation is simple and quick.

[0028] See also Figure 2 , guide rods 6 are adhered and fixed on both sides of the interior of the adjustment seat 3, and the guide rods 6 pass through the moving block 5, and the guide rods 6 slide in cooperation with the moving block 5. The guide rods 6 provide a stable moving track for the moving block 5, ensuring that it can slide up and down smoothly when the threaded rod 4 is rotated, without deviation or shaking, thereby improving the accuracy and stability of the adjustment;

[0029] See also Figure 1 and Figure 3 , elastic bands 9 are provided on both sides of the fixing plate 7. The elastic design of the elastic bands 9 can adapt to the waists of different body shapes, ensuring that the support airbags 8 fit closely to the waist during use and provide a stable support effect;

[0030] See also Figure 1 and Figure 3 A Velcro 10 is sewn on the inner side of one of the elastic bands 9, and a Velcro 11 is sewn on the outer side of the other elastic band 9. By adhering and fixing the Velcro 10 and the Velcro 11, the user can easily fix the fixing plate 7 without complicated operation steps or additional auxiliary tools. At the same time, it is easy to assemble and disassemble, which is convenient for quickly adjusting the position of the backpack or taking off the backpack.

[0031] See also Figure 1 、 Figure 2 and Figure 3 The front end of the backpack body 1 is provided with support cotton 2, and the support cotton 2 is located outside the adjustment seat 3. The support cotton 2 can provide the user with additional comfort and cushioning effect, reduce the direct pressure of the backpack body 1 on the back, and make it more comfortable to use.

[0032] Working principle: When in use, turn the knob 13, the knob 13 will drive the rotating rod 14 to rotate, and the rotating rod 14 will drive the transmission worm 17 to rotate. Due to the worm transmission between the transmission worm 17 and the transmission worm wheel 16, the transmission worm wheel 16 will drive the transmission worm wheel 16 to make the rotating shaft 15 rotate synchronously, and the rotating shaft 15 will drive the threaded rod 4 to rotate, and the threaded rod 4 will drive the moving block 5 to rotate synchronously. Due to the sliding fit between the moving block 5 and the two guide rods 6, the moving block 5 will be axially limited, and the rotation of the moving block 5 will be converted into an up and down operation movement. When the moving block 5 moves, it will drive the synchronous movement of the fixed plate 7, thereby realizing the height adjustment of the airbag 8 supported by the front end of the fixed plate 7. The user can adjust the height of the airbag 8 according to the It can be adjusted according to personal needs to ensure the best fit of the waist support. After adjustment, the backpack body 1 can be worn, and the elastic bands 9 on both sides of the fixing plate 7 are fixed by the adhesion between the Velcro 10 and the Velcro 11. The elastic design of the elastic band 9 enables the support airbag 8 to fit the waist of different body shapes tightly, and the firm adhesion of the Velcro 10 and the Velcro 11 ensures that the backpack will not slip or loosen due to large movements during use, providing the user with a stable and comfortable carrying experience, and the Velcro 10 and the Velcro 11 are easy to disassemble and assemble, without complicated operating steps or additional auxiliary tools, which greatly saves time and energy.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A backpack with a waist support structure, comprising a backpack body (1), characterized in that: An adjustment seat (3) is provided at the middle position of the front end of the backpack body (1), a threaded rod (4) is rotatably provided inside the adjustment seat (3), a moving block (5) is connected to the outer thread of the threaded rod (4), a fixing plate (7) is provided at the front end of the moving block (5), a supporting airbag (8) is adhered and fixed to the front end of the fixing plate (7), a transmission cavity (12) is provided at the upper end inside the adjustment seat (3), a rotating shaft (15) is rotatably provided inside the transmission cavity (12), and one end of the rotating shaft (15) is fixedly connected to the threaded rod (4).

2. The backpack with a waist support structure according to claim 1, characterized in that: A transmission worm wheel (16) is provided on the outer wall of one end of the rotating shaft (15) located inside the transmission cavity (12), a transmission worm (17) is provided on the front side of the transmission cavity (12), and one end of the transmission worm (17) is rotationally connected to the transmission cavity (12), and worm transmission is performed between the transmission worm (17) and the transmission worm wheel (16).

3. The backpack with a waist support structure according to claim 2, characterized in that: A rotating rod (14) is provided at one end of the transmission worm (17), and the original end of the rotating rod (14) passes through and extends to the outside of the transmission cavity (12), and the rotating rod (14) and the transmission cavity (12) are rotatably matched, and a knob (13) is installed at the end of the rotating rod (14) located outside the transmission cavity (12).

4. The backpack with a waist support structure according to claim 1, characterized in that: Guide rods (6) are adhered and fixed on both sides of the interior of the adjustment seat (3), and the guide rods (6) pass through the moving block (5), and the guide rods (6) and the moving block (5) are in sliding cooperation.

5. The backpack with a waist support structure according to claim 1, characterized in that: Elastic bands (9) are provided on both sides of the fixing plate (7).

6. The backpack with a waist support structure according to claim 5, characterized in that: A Velcro (10) is sewn on the inner side of one of the elastic bands (9), and a Velcro (11) is sewn on the outer side of the other elastic band (9).

7. The backpack with a waist support structure according to claim 1, characterized in that: The front end of the backpack body (1) is provided with support cotton (2), and the support cotton (2) is located outside the adjustment seat (3).

Images