WO2022217627A1

WO2022217627A1 - Load-reducing backpack

Info

Publication number: WO2022217627A1
Application number: PCT/CN2021/088344
Authority: WO
Inventors: 陈永光
Original assignee: 福州永铭贸易有限公司
Priority date: 2021-04-16
Filing date: 2021-04-20
Publication date: 2022-10-20
Also published as: CN213487495U

Abstract

A load-reducing backpack, comprising a body (1), a moving board (2), straps (3), first elastic bands (4) and a limiting band (5), wherein a horizontal fixing strip (11) is arranged on one side of the body (1); the moving board (2) is located on the side of the body (1) where the horizontal fixing strip (11) is arranged; one end of each strap (3) is connected to the moving board (2), and the other end thereof is connected to the body (1); one end of each first elastic band (4) is connected to the moving board (2), and the other end thereof is located below the moving board (2) and is connected to the body (1); the limiting band (5) is arranged between the horizontal fixing strip (11) and the body (1) and passes through the space therebetween; and one end of the limiting band (5) is connected to the moving board (2), and the other end thereof is connected to the body (1). The body (1) of the backpack can move relative to the moving board (2), and the first elastic bands (4) can achieve damping and shock-absorbing effects on the body (1), such that the vibration frequency of the body (1) of the backpack is changed, and the amplitude thereof is also reduced, thereby reducing the pressure and impact of the backpack on the shoulders in a downward moving process to achieve the aim of load reduction.

Description

A load-reducing backpack

technical field

The utility model relates to the technical field of backpacks, in particular to a load-reducing backpack.

Background technique

The backboard is an important tool for accommodating heavy objects and enabling people to free their hands during the process of carrying heavy loads. The straps of the backpack transfer the weight of the backpack body to the shoulders of the human body. Because the straps of the traditional backpack and the body are often fixedly connected, and people will fluctuate at a fixed frequency during walking, the backpack body will follow. The body of the backpack moves up and down synchronously with the ups and downs of the human body. During the downward movement of the backpack body, there is an acceleration of gravity. At the same time, combined with the weight of the backpack itself, it will cause greater pressure on the shoulders of the human body. Backpacks with heavy objects are prone to strain injuries.

technical problem

The technical problem to be solved by the utility model is to provide a load-relieving backpack that can change the acceleration of the backpack when it is undulating and improve the stability of the backpack when it is carried, thereby reducing the burden on the shoulders.

technical solutions

In order to solve the above-mentioned technical problems, the technical scheme of the present utility model is as follows: a load-reducing backpack, comprising a main body, a moving board, a back strap, a first elastic strap and a limit strap;

One side of the main body is provided with a horizontal fixing strip; the moving plate is located on the side of the main body where the horizontal fixing strip is arranged; one end of the strap is connected with the moving plate, and the other end is connected with the main body; One end is connected with the moving plate, and the other end is located under the moving plate and connected with the body; the limit belt is inserted between the horizontal fixing strip and the body, one end of the limit belt is connected with the moving plate, and the other end is connected with the body .

Specifically, the strap is integrally provided with the moving board.

Specifically, there are two first elastic bands located on both sides of the limiting band, respectively.

Specifically, the first elastic band is inserted between the horizontal fixing bar and the body.

Specifically, the horizontal fixing strip includes a first connection position and a second connection position connected to the body, the first connection position is located at the end of the horizontal fixing strip, and the second connection position is located at the first elastic band and the limiter. between the bit bands.

Specifically, it also includes a second elastic band, one end of the second elastic band is connected with the limiting band, and the other end is connected with the body and is located under the limiting band.

Specifically, it also includes a back plate, the back plate is fixedly connected to the side of the main body with the horizontal fixing strip, and the moving plate is located between the back plate and the main body.

Specifically, the back plate is provided with a plurality of raised portions and/or recessed portions.

beneficial effect

The beneficial effect of the utility model is that the body of the backpack and the moving plate can move relatively, and the first elastic band can dampen and shock the body, so that the vibration frequency of the backpack body is changed and the amplitude is reduced, thereby reducing the The pressure and impact on the shoulders caused by the backpack during the downward movement can achieve the purpose of reducing the load; the limit belt and the horizontal fixing strip work together to limit the moving distance of the moving board. In addition, the horizontal fixing strip can also avoid the body and the The distance between the moving plates is too large.

Description of drawings

Fig. 1 is the front structure schematic diagram of the unfolded state of the load-reducing backpack according to the specific embodiment of the present invention;

Fig. 2 is the side structure schematic diagram of the unfolded state of the load-reducing backpack according to the specific embodiment of the present invention;

3 is a schematic structural diagram of a normal state of a load-reducing backpack according to a specific embodiment of the present invention;

Label description:

1. Main body; 11. Horizontal fixing strip; 12. First connecting position; 13. Second connecting position; 2. Moving plate; 3. Strap; 4. First elastic belt; 5. Limiting belt; 6. Second Elastic band; 7. Back plate; 71. Raised part; 72. Depressed part.

Embodiments of the present invention

In order to describe in detail the technical content, achieved objects and effects of the present invention, the following descriptions are given with reference to the embodiments and the accompanying drawings.

Please refer to accompanying drawings 1 to 3, a load-reducing backpack of the present invention includes a main body 1, a moving board 2, a strap 3, a first elastic strap 4 and a limit strap 5;

One side of the main body 1 is provided with a horizontal fixing bar 11 ; the moving plate 2 is located on the side of the main body 1 where the horizontal fixing bar 11 is arranged; one end of the strap 3 is connected to the moving plate 2 , and the other end is connected to the main body 1 ; One end of the first elastic band 4 is connected with the moving plate 2, and the other end is located below the moving plate 2 and connected with the main body 1; One end of the limiting belt 5 is connected with the moving plate 2 , and the other end is connected with the main body 1 .

The working principle of the present invention is as follows: the upper part of the moving plate 2 is connected with the shoulder strap to form an integrated structure, and the lower part of the moving plate 2 is connected with the lower part of the main body 1 through the first elastic band 4, so that the moving plate 2 can be relatively The main body 1 elastically moves up and down. When the user is walking with the backpack, the first elastic belt 4 can dampen the body 1, so that the vibration frequency of the backpack body 1 is changed and the amplitude is reduced, thereby changing the acceleration when the back is moved down. In this way, the pressure and impact on the shoulders caused by the backpack during the downward movement are reduced, so as to achieve the purpose of reducing the load.

The top and bottom ends of the limiting belt 5 are respectively connected to the lower part of the moving plate 2 and the lower part of the main body 1. When the moving plate 2 moves downward relative to the main body 1, the movable distance of the moving plate 2 is the same as that of the horizontal fixing bar 11. The position is related, and the maximum downward movement distance of the moving plate 2 will be limited by the position of the horizontal fixing bar 11; when the moving plate 2 moves upward relative to the body 1, the movable distance of the moving plate 2 is related to the length of the limit belt 5. The maximum upward moving distance of the board 2 is limited by the length of the limiting belt 5 .

It can be seen from the above description that the beneficial effects of the present invention are that the body of the backpack and the moving plate can move relatively, and the first elastic band can dampen the body, so that the vibration frequency of the backpack body can be changed and the amplitude of the vibration can be changed. Reduced, thus changing the acceleration when the back is moved down, thereby reducing the pressure and impact on the shoulders caused by the backpack in the process of moving down, and achieving the purpose of reducing the load; the limit belt and the horizontal fixing strip work together to play a role in the movement of the board. In addition, the horizontal fixing strip can prevent the distance between the main body and the moving plate from being too large.

Further, the strap 3 is integrally provided with the moving board 2 .

It can be seen from the above description that the integral arrangement of the strap and the moving plate can make the connection between the strap and the moving plate more stable, and prevent the connection between the strap and the moving plate from being broken.

Further, there are two first elastic bands 4 located on both sides of the limiting band 5 respectively.

As can be seen from the above description, the two first elastic bands can keep the moving plate in balance when moving relative to the body.

Further, the first elastic band 4 is inserted between the horizontal fixing bar 11 and the main body 1 .

It can be seen from the above description that the first elastic band is inserted between the horizontal fixing strip and the main body, so that the horizontal fixing strip can guide the first elastic band.

Further, the horizontal fixing bar 11 includes a first connecting position 12 and a second connecting position 13 connected with the main body 1 , the first connecting position 12 is located at the end of the horizontal fixing bar 11 , and the second connecting position 13 It is located between the first elastic band 4 and the limiting band 5 .

It can be seen from the above description that separating the first elastic band and the limiting band through the second connection position can prevent the entanglement between the first elastic band and the limiting band.

Further, a second elastic band 6 is also included. One end of the second elastic band 6 is connected with the limiting band 5 , and the other end is connected with the body 1 and is located below the limiting band 5 .

It can be seen from the above description that the second elastic band can buffer the limit band when it is about to be stretched to the longest, and prevent the connection between the limit band and the main body from breaking due to sudden increase in tension when the back plate moves to the bottom.

Further, a backboard 7 is also included, the backboard 7 is fixedly connected to the side of the main body 1 where the horizontal fixing bar 11 is provided, and the moving plate 2 is located between the backboard 7 and the main body 1 .

It can be seen from the above description that the back plate can further limit the position of the moving plate, so as to improve the stability of the backpack when it is carried.

Further, the back plate 7 is provided with a plurality of raised portions 71 and/or recessed portions 72 .

As can be seen from the above description, the plurality of protrusions and/or recesses on the back panel can form a ventilated gap on the back panel, so as to prevent the back of the human body from being too hot when carrying the backpack.

Example 1

A load-relieving backpack, comprising a main body 1, a moving board 2, a strap 3, a first elastic band 4 and a limit band 5;

One side of the main body 1 is provided with a horizontal fixing strip 11;

The moving plate 2 is located on the side of the main body 1 with the horizontal fixing strip 11, and the moving plate is a flexible plate such as cardboard, foam plate, rubber plate, silicone grease plate, or a rigid plate such as metal plate, plastic plate, wood board, etc. ;

One end of the strap 3 is connected with the moving board 2, and the other end is connected with the body 1, and the strap 3 is integrally arranged with the moving board 2;

One end of the first elastic band 4 is connected to the moving plate 2, and the other end is located below the moving plate 2 and connected to the main body 1. There are two first elastic bands 4 and they are located on both sides of the limiting band 5, so The first elastic band 4 is inserted between the horizontal fixing strip 11 and the main body 1;

The limiting band 5 is inserted between the horizontal fixing strip 11 and the main body 1 , one end of the limiting band 5 is connected with the moving plate 2 , and the other end is connected with the body 1 ;

The horizontal fixing bar 11 includes a first connecting position 12 and a second connecting position 13 connected with the body 1 , the first connecting position 12 is located at the end of the horizontal fixing bar 11 , and the second connecting position 13 is located at the first connecting position 13 . between the elastic band 4 and the limit band 5;

Also includes a second elastic band 6, one end of the second elastic band 6 is connected with the limiting band 5, and the other end is connected with the body 1 and is located below the limiting band 5;

Also includes a backboard 7, the backboard 7 is fixedly connected to the side of the main body 1 with the horizontal fixing strip 11, the moving board 2 is located between the backboard 7 and the main body 1, and the backboard 7 is provided with a plurality of Each of the raised portions 71 and/or the recessed portions 72 .

To sum up, the beneficial effects provided by the present invention are as follows: the body of the backpack and the moving plate can move relative to each other, and the first elastic band can dampen and shock the body, so that the vibration frequency of the body of the backpack can be changed and The amplitude is reduced, which changes the acceleration when the back is moved down, thereby reducing the pressure and impact on the shoulders caused by the backpack in the process of moving down, so as to achieve the purpose of reducing the load; the limit belt and the horizontal fixing strip work together to prevent the movement. In addition, the horizontal fixing strip can also prevent the distance between the main body and the moving plate from being too large. The integral arrangement of the strap and the moving board can make the connection between the strap and the moving board more stable, and prevent the connection between the strap and the moving board from being broken. The two first elastic bands can keep the moving plate in balance when moving relative to the body. The first elastic band is inserted between the horizontal fixing strip and the main body, so that the horizontal fixing strip can guide the first elastic band. Separating the first elastic band and the limiting band through the second connection position can avoid entanglement between the first elastic band and the limiting band. The second elastic band can play a buffering role when the limiting band is about to be stretched to the longest, preventing the connection between the limiting band and the main body from breaking due to sudden increase of tension when the backboard moves to the bottom. The back plate can further limit the moving plate and improve the stability of the backpack when it is carried. The plurality of protruding parts and/or concave parts on the back panel can form a ventilated gap on the back panel, so as to prevent the back of the human body from being too hot when carrying the backpack.

The above are only the embodiments of the present utility model, and are not intended to limit the scope of the present utility model patent. All equivalent transformations made by using the contents of the present utility model description and accompanying drawings, or directly or indirectly applied in related technical fields, are the same as The principles are included in the scope of patent protection of the present invention.

Claims

A load-reducing backpack is characterized in that it comprises a main body, a moving board, a strap, a first elastic band and a limit band;

One side of the main body is provided with a horizontal fixing strip; the moving plate is located on the side of the main body where the horizontal fixing strip is arranged; one end of the strap is connected with the moving plate, and the other end is connected with the main body; One end is connected with the moving plate, and the other end is located under the moving plate and connected with the body; the limit belt is inserted between the horizontal fixing strip and the body, one end of the limit belt is connected with the moving plate, and the other end is connected with the body .
The load-reducing backpack according to claim 1, wherein the strap and the moving board are integrally provided.
The load-reducing backpack according to claim 1, wherein the first elastic straps are two and are respectively located on both sides of the limiting strap.
The load-reducing backpack according to claim 1, wherein the first elastic band is inserted between the horizontal fixing bar and the main body.
The load-reducing backpack according to claim 4, wherein the horizontal fixing bar comprises a first connecting position and a second connecting position connected with the body, the first connecting position is located at the end of the horizontal fixing bar, and the first connecting position is located at the end of the horizontal fixing bar. The two connecting positions are located between the first elastic band and the limiting band.
The load-reducing backpack according to claim 1, further comprising a second elastic band, one end of the second elastic band is connected with the limiting band, and the other end is connected with the body and located under the limiting band.
The load-reducing backpack according to claim 1, further comprising a backboard, the backboard is fixedly connected to the side of the main body with the horizontal fixing strip, and the moving board is located between the backboard and the main body.
The load reducing backpack according to claim 7, wherein a plurality of raised portions and/or recessed portions are provided on the back panel.