Load-reducing elastic buckle and load-reducing backpack
By introducing the load-reducing elastic buckle and shoulder width adjustable function in the backpack, the problems of shoulder and neck muscle strain and poor comfort caused by the backpack are solved, and higher backpack comfort and load uniformity are achieved.
Patent Information
- Application Number
- CN202421519401.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-28
AI Technical Summary
When carrying heavy objects for a long time, the backpack will cause strain and pain in the shoulder and neck muscles, and the existing backpack is not convenient to adjust according to the user's shoulder width, resulting in poor comfort.
A load-reducing elastic buckle is designed, including an annular connection and a retractable wavy elastic buffer for connecting the backpack to the shoulder strap, absorbing and dispersing body load and impact. The backpack also has a shoulder width adjustable function, and the strap spacing is adjusted through a circular or D-shaped connection.
Effectively reduces the burden on shoulder and neck muscles, improves the comfort of the backpack, is suitable for people with different shoulder widths, and provides a more even load distribution to protect the spine.
Smart Images
Figure CN222804007U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of backpacks, in particular to a load-reducing elastic buckle and a load-reducing backpack. Background Art
[0002] Backpack is a common type of backpack in life. It is a portable storage tool with many advantages such as large capacity and high carrying comfort. It is suitable for study, work, travel, outdoor activities and is especially popular among students and hikers.
[0003] When using a backpack, the two shoulder straps on the backpack can generally distribute the weight evenly between the shoulders and back to reduce the burden on one shoulder and ensure comfort and balance when carrying. However, when carrying for a long time or carrying heavy items, it will still cause discomfort to the user, increase the burden on the shoulder and neck muscles, cause muscle strain and pain, and also affect the spine, which may cause problems such as spinal curvature and hunchback. At this time, the load and impact force on the body increase significantly, and it is urgent to reduce the load.
[0004] In addition, due to individual differences in users, different people's physical conditions such as height, weight, and shoulder width are different. When using the same backpack, the shoulder positions corresponding to the two shoulder straps are naturally different. However, existing backpacks are not convenient to adjust according to the user's shoulder width, which makes some users uncomfortable when carrying them, and is more likely to cause shoulder pain or other discomfort, which also needs to be improved. Utility Model Content
[0005] The utility model aims to provide a load-reducing elastic buckle and a load-reducing backpack, so as to absorb and disperse the load when the user is wearing the backpack, thereby improving the comfort of the user when the user is wearing the backpack.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A load-reducing elastic buckle comprises a first connecting portion, an elastic buffer portion and a second connecting portion which are connected in sequence, wherein the first connecting portion and the second connecting portion are both annular, the elastic buffer portion is in a retractable wave shape, and the retracting direction is arranged along the direction from the first connecting portion to the second connecting portion.
[0008] Furthermore, the first connecting portion is in a square ring shape.
[0009] Furthermore, the second connecting portion is in a circular ring shape or a D shape.
[0010] Furthermore, the first connecting portion, the second connecting portion and the elastic buffer portion are integrally formed.
[0011] Furthermore, the elastic buffer portion is made of rubber material.
[0012] A load-reducing backpack comprises a bag body, two shoulder straps and the above-mentioned load-reducing elastic buckle, wherein the upper ends of the two shoulder straps are respectively connected to the two sides of the upper back panel of the bag body through the load-reducing elastic buckle, and when connected, one of the first connecting part and the second connecting part is connected to the bag body, and the other is connected to the shoulder straps; the lower ends of the two shoulder straps are respectively connected to the two sides of the lower back panel of the bag body.
[0013] Furthermore, a first connecting belt is passed through the first connecting portion, and a second connecting belt is passed through the second connecting portion; one of the two ends of the first connecting belt and the two ends of the second connecting belt is fixedly arranged on the bag body, and the other is fixedly arranged on the shoulder strap.
[0014] Furthermore, elastic bands are fixedly connected to both sides of the lower part of the rear panel of the bag body, and a third connecting band is fixedly connected to one end of the elastic band away from the bag body. The third connecting band is connected to the lower end of the shoulder strap via a ladder buckle.
[0015] The utility model has the following beneficial effects:
[0016] 1. The utility model provides a load-reducing elastic buckle, which is suitable for a backpack. The load-reducing elastic buckle comprises a first connecting portion, an elastic buffer portion and a second connecting portion which are connected in sequence, wherein the first connecting portion and the second connecting portion are both ring-shaped and can be used to connect the back panel and the shoulder strap of the backpack. The elastic buffer portion is wavy and can be connected between the back panel and the shoulder strap. When the user carries the backpack, it expands and contracts along the direction from the first connecting portion to the second connecting portion, so as to absorb and disperse the impact force and load on the user's body, reduce the burden on the shoulder and neck muscles, and improve the comfort of carrying the backpack.
[0017] 2. The utility model provides a load-reducing backpack, which uses the above-mentioned load-reducing elastic buckle to connect the bag body and the shoulder strap. When using the backpack, the burden on the user's body is small and the comfort level is high. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the load-reducing elastic buckle structure of the utility model.
[0019] Figure 2 for Figure 1 Schematic diagram of the AA section structure.
[0020] Figure 3 The utility model is a schematic diagram of the structure of a load-reducing backpack.
[0021] Figure 4 It is a schematic diagram of the connection state of the load-reducing elastic buckle of the utility model.
[0022] Figure 5 It is a schematic diagram of the connection structure between the load-reducing elastic buckle and the first connecting belt and the second connecting belt of the utility model.
[0023] Figure 6 for Figure 5 Schematic diagram of the BB section structure.
[0024] Explanation of main component symbols: 1. First connecting part; 2. Elastic buffer part; 3. Second connecting part; 4. Bag body; 5. Shoulder strap; 6. First connecting belt; 7. Second connecting belt; 8. Elastic belt; 9. Third connecting belt. DETAILED DESCRIPTION
[0025] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0026] Embodiment 1: Figure 1 , 2 As shown, the utility model discloses a load-reducing elastic buckle, comprising a first connection part 1, an elastic buffer part 2 and a second connection part 3 connected in sequence from top to bottom, the first connection part 1 and the second connection part 3 are both annular, the elastic buffer part 2 is made of elastic material, and is wavy as a whole, and can be extended and retracted along the direction from the first connection part 1 to the second connection part 3. In this embodiment, the elastic buffer part 2 is made of rubber material. The first connection part 1, the second connection part 3 and the elastic buffer part 2 are integrally formed, so that the load-reducing elastic buckle is more stable and durable.
[0027] The load-reducing elastic buckle is suitable for connecting the back panel of a backpack and the shoulder strap 5. After the connection, the elastic buffer part 2 can be connected between the back panel of the backpack and the shoulder strap 5. When the user wears the backpack, it can expand and contract along the direction from the first connection part 1 to the second connection part 3, so as to absorb and disperse the user's body load and impact force, thereby reducing the burden on the user's shoulder and neck muscles, improving the comfort of the user when carrying the backpack, and achieving the purpose of load reduction.
[0028] Preferably, the first connection part 1 is in a square ring shape so as to stably connect the back panel or the shoulder strap 5. The second connection part 3 is preferably in a circular ring shape or a D-shape. After connecting the back panel or the shoulder strap 5, the back panel and the shoulder strap 5 can be relatively rotated, thereby adjusting the distance between the upper ends of the two shoulder straps 5 to suit people with different shoulder widths and provide a more comfortable carrying experience. Moreover, by rotating and adjusting the shoulder strap 5, the shoulder strap 5 is adjusted to a more comfortable shoulder position, effectively reducing unilateral or local pressure, distributing the weight of the backpack more evenly on the shoulders and back, and also having a certain protective effect on the spine.
[0029] Embodiment 2: Based on the above embodiment 1, Figure 3-6As shown, the utility model also discloses a load-reducing backpack, comprising a bag body 4, two shoulder straps 5 and the two aforementioned load-reducing elastic buckles, wherein the upper ends of the two shoulder straps 5 are respectively connected to the two sides of the upper part of the rear part of the bag body 4 through the two load-reducing elastic buckles, and the lower ends of the two shoulder straps 5 are respectively connected to the two sides of the lower part of the rear part of the bag body 4. When the rear part of the bag body 4 and the shoulder straps 5 are connected through the load-reducing elastic buckles, one of the first connecting portion 1 and the second connecting portion 3 on the bag body 4 is connected to the bag body 4, and the other is connected to the shoulder straps 5.
[0030] Taking the commonly used webbing connection method as an example, a first connection belt 6 can be inserted into the first connection part 1, and a second connection belt 7 can be inserted into the second connection part 3. One of the two ends of the first connection belt 6 and the two ends of the second connection belt 7 is fixedly arranged on the bag body 4, and the other is fixedly arranged on the shoulder strap 5. In this embodiment, the two ends of the first connection belt 6 and the shoulder strap 5 are sewn and fixed to each other, and the two ends of the second connection belt 7 are sewn and fixed to the back of the bag body 4.
[0031] Due to the provision of the load-reducing elastic buckle, the backpack has a load-reducing effect. When using the backpack, the load-reducing elastic buckle between the back of the bag body 4 and the shoulder strap 5 can absorb and disperse the user's body load and impact force, reduce the burden on the user's shoulders and neck, and improve the comfort when carrying. Furthermore, when the second connecting part 3 is in a circular ring shape or a D-shape, the backpack also has a shoulder width adjustable function, which can be suitable for more people and provide a better carrying experience.
[0032] Similarly, the two sides of the lower part of the back of the bag body 4 of the backpack are also fixedly connected with elastic belts 8, and the end of the elastic belt 8 away from the bag body 4 is fixedly connected with a third connecting belt 9, and the third connecting belt 9 is connected to the lower end of the shoulder strap 5 through a ladder buckle. That is, the back of the bag body 4 and the lower end of the shoulder strap 5 are connected to each other through the elastic belt 8, the third connecting belt 9 and the ladder buckle, and the overall length of the connected shoulder strap 5 is adjustable, and the load-reducing effect is also improved.
[0033] In summary, the load-reducing elastic buckle and load-reducing backpack provided by the utility model can absorb and disperse the body load and impact force when people carry a backpack, have a load-reducing effect, can effectively reduce the burden on the shoulders and neck, and provide a more comfortable backpack experience.
[0034] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes in form and details of the present invention are within the scope of protection of the present invention without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims
1. A load-reducing elastic buckle, characterized by: The invention comprises a first connecting part (1), an elastic buffer part (2) and a second connecting part (3) which are connected in sequence, the first connecting part (1) and the second connecting part (3) are both ring-shaped, the elastic buffer part (2) is in a retractable wave shape, and the retracting direction is arranged along the direction from the first connecting part (1) to the second connecting part (3).
2. A load-reducing elastic buckle according to claim 1, characterized in that: The first connecting portion (1) is in the shape of a square ring.
3. The load-reducing elastic buckle according to claim 1, characterized in that: The second connecting portion (3) is in a circular ring shape or a D shape.
4. The load-reducing elastic buckle according to claim 1, characterized in that: The first connecting portion (1), the second connecting portion (3) and the elastic buffer portion (2) are integrally formed.
5. The load-reducing elastic buckle according to claim 1, characterized in that: The elastic buffer part (2) is made of rubber material.
6. A load-reducing backpack, characterized in that: It comprises a bag body (4), two shoulder straps (5) and a load-reducing elastic buckle as described in any one of claims 1 to 5, wherein the upper ends of the two shoulder straps (5) are respectively connected to the two sides of the upper back portion of the bag body (4) through the load-reducing elastic buckle, and when connected, one of the first connecting part (1) and the second connecting part (3) is connected to the bag body (4), and the other is connected to the shoulder straps (5); the lower ends of the two shoulder straps (5) are respectively connected to the two sides of the lower back portion of the bag body (4).
7. A load-reducing backpack as claimed in claim 6, characterized in that: A first connecting belt (6) is inserted into the first connecting portion (1), and a second connecting belt (7) is inserted into the second connecting portion (3); one of the two ends of the first connecting belt (6) and the two ends of the second connecting belt (7) is fixedly arranged on the bag body (4), and the other is fixedly arranged on the shoulder strap (5).
8. A load-reducing backpack as claimed in claim 6, characterized in that: Elastic belts (8) are fixedly connected to both sides of the lower rear part of the bag body (4); one end of the elastic belt (8) away from the bag body (4) is fixedly connected to a third connecting belt (9); and the third connecting belt (9) is connected to the lower end of the shoulder strap (5) via a ladder buckle.