CN215347442U

CN215347442U - Suspension subtracts heavy schoolbag

Info

Publication number: CN215347442U
Application number: CN202120579314.7U
Authority: CN
Inventors: 张新华
Original assignee: Zhejiang Caarany Group Co ltd
Current assignee: Zhejiang Caarany Group Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-12-31
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a suspended weight-reducing schoolbag, which comprises a schoolbag body and straps, wherein a stress plate is arranged on the back of the schoolbag body, the upper ends of the straps are fixedly connected with the upper ends of the stress plate, the lower ends of the straps are fixedly connected with the lower end of the schoolbag body, the lower ends of the stress plate are connected with the lower end of the schoolbag body through a main elastic band, the schoolbag also comprises two auxiliary elastic bands which are crossed in an X shape, the upper ends of the auxiliary elastic bands are fixedly connected with the upper ends of the stress plate, and the lower ends of the auxiliary elastic bands are fixedly connected with the lower end of the schoolbag body. Aiming at the technical problem that the existing schoolbag easily causes large burden on a human body, the utility model provides a suspension weight-reducing schoolbag, which is based on the principle of gravity-free weight reduction in space and achieves the effect of suspension weight reduction by utilizing the physical principle of elastic stress resilience.

Description

Suspension subtracts heavy schoolbag

Technical Field

The utility model relates to the technical field of school bags, in particular to a suspension weight-reducing school bag.

Background

When walking, the gravity center of the human body can move up and down continuously, and the shoulder moves up and down by about 4 cm when walking. When the backpack is used for carrying a traditional backpack to walk, the backpack moves along with the shoulders, the total shoulder movement of 1000 meters after walking is about 67 meters, which is equivalent to the height of a 23-storey building, and the shoulder fatigue and the injury to the spine are also caused. In any movement, the person moves more or less vertically with a rolling movement.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problem that the existing schoolbag easily causes large burden on a human body, the utility model provides a suspension weight-reducing schoolbag, which is based on the principle of gravity-free weight reduction in space and achieves the effect of suspension weight reduction by utilizing the physical principle of elastic stress resilience.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a suspension subtracts heavy schoolbag, includes schoolbag body and braces, the back of schoolbag body is equipped with the atress board, the upper end of braces links firmly with the upper end of atress board, the lower extreme of braces links firmly with the lower extreme of schoolbag body, the lower extreme of atress board passes through main elastic band with the lower extreme of schoolbag body and links to each other, still includes and is two X type crisscross supplementary elastic bands, the upper end of supplementary elastic band links firmly with the upper end of atress board, the lower extreme of supplementary elastic band links firmly with the lower extreme of schoolbag body.

Optionally, a binding belt is fixedly connected to the stress plate, and the binding belt is wound at the crossing position of the two auxiliary elastic belts.

Optionally, the lower end of the shoulder strap is connected with the lower end of the schoolbag body through a first elastic belt.

Optionally, an air permeable cushion layer is covered on the outer side of the stress plate, and an interlayer with an opening at the upper end is formed between the schoolbag body and the air permeable cushion layer.

Optionally, a first air-permeable groove with an open upper end is arranged on the top of the air-permeable cushion layer.

Optionally, a second air-permeable groove with two open ends is arranged in the middle of the air-permeable cushion layer.

Optionally, the harness is of an S-shaped configuration.

Optionally, a position on the air permeable cushion layer, which is in contact with the spine, is in a U-shaped structure.

Optionally, the material of the air permeable cushion layer is a sandwich mesh cloth.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) in the process of moving from low to high and then from high to low on the shoulders, through the energy storage and release process of the elastic potential energy, the gravity is released, the average load (weight feeling) born by the shoulders is greatly reduced, the schoolbag can not move along with the up and down of the shoulders, thus saving the force that the shoulders need to lift the schoolbag when the shoulders move upwards and the force of the gravitational potential energy that the schoolbag moves downwards when the shoulders move downwards, thereby achieving the effect of reducing the weight of the shoulder, forming the upper and lower main stress by the lower main elastic belt 4 with large stress and two crossed auxiliary elastic belts, dispersing the stress of the top from three directions by a pressure reducing elastic bearing mode of stabilizing the stress from left to right, forming a triangular stress branch, the schoolbag has the advantages that the elasticity is dispersed more stably when the schoolbag is used, the schoolbag cannot shake left and right to generate other force, and the elasticity, the burden reduction and the weight reduction value reach the maximization.

Drawings

Fig. 1 is a schematic structural diagram of a suspension weight-reducing schoolbag according to an embodiment of the utility model;

fig. 2 is a schematic structural diagram of a stress plate in a suspension weight-reducing schoolbag according to an embodiment of the utility model;

fig. 3 is a schematic structural diagram of an air permeable cushion layer in a suspension weight-reducing schoolbag according to an embodiment of the utility model.

1. A schoolbag body; 2. a harness; 3. a stress plate; 4. a primary elastic band; 5. an auxiliary elastic band; 6. binding bands; 7. a first elastic band; 8. a gas permeable cushion layer; 9. a first gas-permeable groove; 10. a second air-permeable groove.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-3.

With reference to fig. 1-3, the suspension weight-reducing schoolbag of the present embodiment includes a schoolbag body 1 and straps 2, wherein a stress plate 3 is arranged on the back of the schoolbag body 1, the stress plate 3 is a hard plate body, the upper ends of the straps 2 are fixedly connected with the upper ends of the stress plate 3, the lower ends of the straps 2 are fixedly connected with the lower end of the schoolbag body 1, the lower ends of the stress plate 3 are connected with the lower end of the schoolbag body 1 through a main elastic band 4, and the suspension weight-reducing schoolbag further includes two auxiliary elastic bands 5 crossed in an X shape, the upper ends of the auxiliary elastic bands 5 are fixedly connected with the upper ends of the stress plate 3, and the lower ends of the auxiliary elastic bands 5 are fixedly connected with the lower end of the schoolbag body 1; the suspending weight-reducing schoolbag releases gravity through the energy storage and release process of elastic potential energy in the process of moving shoulders from low to high and then from high to low, so that the average load (weight sensing) born by the shoulders is greatly reduced, the schoolbag can not move along with the up and down of the shoulders, the force that the shoulders need to lift the schoolbag up when the shoulders move upwards and the force of the downward gravitational potential energy of the schoolbag when the shoulders move downwards are saved, thereby achieving the effect of reducing weight of the shoulders, the upper and lower main stress is formed through the lower main elastic belt 4 with large stress and the two crossed auxiliary elastic belts 5, the upper and lower main stress is formed, the top force is dispersed from three directions through the pressure-reducing elastic bearing mode of left and right stable stress, a triangle-shaped stress branch is formed, the elastic force is dispersed more stably when the schoolbag is used, the schoolbag can not shake left and right to generate other forces, the elastic force reduction weight-reducing value is maximized, the suspended weight-reducing schoolbag achieves the effect of suspended weight reduction by utilizing the physical principle of elasticity stress resilience based on the principle of gravity-free weight loss in the outer space.

As an alternative of the utility model, the shoulder strap 2 is of an S-shaped structure, and the S-shaped shoulder strap is more attached to the shoulder part, so that the stress area is enlarged, and an effect of uniformly dispersing the force is achieved. The breathable mesh sandwich pad on the shoulder can also play a good buffering effect, and is good in breathable effect, better in assistance burden reduction, breathable and spine protection.

As an alternative of the utility model, the stress plate 3 is fixedly connected with a binding band 6 by weaving, the binding band 6 is wound at the crossing position of the two auxiliary elastic bands 5, and the two crossed auxiliary elastic bands 5 can further disperse the stress on the left side and the right side by arranging the binding band 6, so that the stability during the back-carrying movement is improved.

As an alternative of the present invention, the lower end of the shoulder strap 2 is connected to the lower end of the schoolbag body 1 through the first elastic strap 7, and the first elastic strap 7 can also generate the function of springback and decompression, so as to provide a buffering effect for the user, well relieve the pressure feeling transmitted to the shoulder of the user due to the load, and enable the user to sit in the space of counter gravity, thereby improving the comfort level of the user.

As an alternative of the utility model, the outer side of the stress plate 3 is covered with the air permeable cushion layer 8, an interlayer with an opening at the upper end is formed between the schoolbag body 1 and the air permeable cushion layer 8, the upper end of the shoulder strap 2 extends out of the opening at the upper end of the interlayer, when the schoolbag floats greatly, the upper end of the stress plate 3 can extend out of the opening at the upper end of the interlayer, so that the stress plate 3 has a larger interaction range to achieve the purpose of suspension and weight reduction, the air permeable cushion layer 8 is arranged to prevent the back of a user from directly contacting with the stress plate 3, the air permeable cushion layer 8 is soft, and sandwich mesh cloth can be selected to improve the air permeable effect and the bearing effect.

As an alternative of the present invention, the position of the air permeable cushion layer 8 contacting with the spine is a U-shaped structure, and the U-shaped structure is designed to fit the back, so as to relieve the stress on the spine.

As an alternative of the present invention, a first ventilation groove 9 with an open upper end is arranged at the top of the air permeable cushion layer 8, and a second ventilation groove 10 with an open two ends is arranged at the middle of the air permeable cushion layer 8, so that when a user walks, the back of the schoolbag is pressed forward and backward, and air can be discharged outwards through the first ventilation groove 9 and the second ventilation groove 10, so as to achieve the purpose of perspiration and ventilation through air flow.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. A suspension subtracts heavy schoolbag which characterized in that: including schoolbag body and braces, the back of schoolbag body is equipped with the atress board, the upper end of braces links firmly with the upper end of atress board, the lower extreme of braces links firmly with the lower extreme of schoolbag body, the lower extreme of atress board passes through main elastic webbing with the lower extreme of schoolbag body and links to each other, still including being two crisscross supplementary elastic webbing of X type, the upper end of supplementary elastic webbing links firmly with the upper end of atress board, the lower extreme of supplementary elastic webbing links firmly with the lower extreme of schoolbag body.

2. A suspended weight-reducing schoolbag as claimed in claim 1, wherein: the stress plate is fixedly connected with a binding belt which is wound at the cross position of the two auxiliary elastic belts.

3. A suspended weight-reducing schoolbag as claimed in claim 1, wherein: the lower end of the braces is connected with the lower end of the schoolbag body through a first elastic belt.

4. A suspended weight-reducing schoolbag as claimed in claim 1, wherein: the outer side of the stress plate is covered with an air permeable cushion layer, and an interlayer with an opening at the upper end is formed between the schoolbag body and the air permeable cushion layer.

5. A suspended weight-reducing schoolbag as claimed in claim 4, wherein: and a first ventilation groove with an opening at the upper end is formed in the top of the ventilation cushion layer.

6. A suspended weight-reducing schoolbag as claimed in claim 4, wherein: and a second ventilation groove with two open ends is arranged in the middle of the ventilation cushion layer.

7. A suspended weight-reducing schoolbag as claimed in claim 1, wherein: the braces are in S-shaped structures.

8. A suspended weight-reducing schoolbag as claimed in claim 4, wherein: the position of the air permeable cushion layer, which is in contact with the spine, is of a U-shaped structure.

9. A suspended weight-reducing schoolbag as claimed in claim 4, wherein: the material of air permeable cushion layer is sandwich mesh cloth.