CN114557534A

CN114557534A - Backpack with double shoulders for balanced gravity distribution

Info

Publication number: CN114557534A
Application number: CN202210286836.7A
Authority: CN
Inventors: 田瑞来
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-05-31

Abstract

The invention relates to the technical field of backpacks, in particular to a burden-reducing backpack with double shoulders for distributing gravity in a balanced way, wherein the connecting part is changed from rigid connection into elastic connection through a back torsional spring structure, the weight of two connecting woven belts can be distributed in a balanced way when the backpack is carried, the lengths of the two braces are respectively adjusted through the reciprocating motion of the torsional spring structure, so that the two braces are stressed in a balanced way, the inertia pressure in motion can be buffered, the effects of shock absorption and burden reduction in use can be achieved, the flexible length of an elastic band is limited through a first limiting woven belt, the elastic band is prevented from exceeding the elastic limit, the durability of the elastic band is ensured, the moving range of a limiting rod is limited through a limiting cavity, the first torsional spring and a second torsional spring are limited to be excessively flexible, the durability of the first torsional spring and the second torsional spring is ensured, the left and right amplitudes of the braces are prevented from being too large through the sliding of the braces along limiting grooves, and the stability is improved, the S-shaped steel wire frame is attached to the back of a human body more closely, the supporting force of the back is increased, and the S-shaped steel wire frame conforms to ergonomics and is more comfortable.

Description

Backpack with double shoulders for balanced gravity distribution

Technical Field

The invention relates to the technical field of backpacks, in particular to a burden-reducing backpack with double shoulders for distributing gravity evenly.

Background

Present backpack's braces all is fixed, does not have activity buffer space, people are carrying the knapsack for a long time, make the braces press down to the human body for a long time and tighten, cause the shoulder strain easily, especially the people is in the motion process, the motion of lodging highly can be done to the both shoulders, the high one side of shoulder can bear the weight of whole package, it is unsettled to connect the meshbelt in addition, and the easy landing, the balanced problem of atress of both shoulders in the motion process is solved to this patent, because connect the meshbelt not unsettled, it is also difficult for the landing to connect the meshbelt. And the joint between the back of the human body and the human body is soft, so that the support cannot be formed, and discomfort is caused.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the double-shoulder burden reduction backpack which is comfortable, can absorb shock and reduce burden and can prevent shoulder strain and evenly distribute gravity.

The technical scheme adopted by the invention is as follows:

a burden-reducing backpack with balanced gravity distribution of shoulders comprises a backpack body and two symmetrically arranged straps connected to the rear side of the backpack body, wherein each strap comprises a connecting braid, an elastic band, a first limiting braid and a second limiting braid, one side of each strap, which is far away from the backpack body, is provided with a covering layer, a steel wire frame is arranged between the covering layer and the backpack body, the steel wire frame comprises a frame body and two first torsion springs symmetrically connected to the inner side of the frame body, the lower ends of the first torsion springs are connected with spring connecting rods, the two spring connecting rods are connected with each other, the spring connecting rods are provided with groove parts, one end of each connecting braid is connected with the groove parts, the other end of each connecting braid is connected with the backpack body through the elastic band, the two ends of each first limiting braid are respectively connected with the two ends of the elastic band, the two ends of the second limiting woven belt are connected with the connecting woven belt, a limiting cavity is formed between the second limiting woven belt and the connecting woven belt, a limiting rod is connected in the steel wire frame, and the limiting rod penetrates through the limiting cavity.

Preferably, the upper end of the first torsion spring is connected with a second torsion spring, and one side of the upper end of the second torsion spring is connected with the frame body.

Preferably, the other side of the upper end of the second torsion spring is connected with a reinforcing rod, and the two reinforcing rods are connected with each other.

Preferably, the side of the wire frame is arranged in an S shape.

Preferably, a limiting groove is arranged between the covering layer and the bag body, and the braces are in sliding contact with the limiting groove.

The invention has the beneficial effects that:

the burden-reducing backpack with the double shoulders for distributing the gravity in a balanced manner changes the rigid connection into the elastic connection at the connection part through the elastic band, can distribute the weight of two connecting woven belts in a balanced manner when the backpack is carried, and can adjust the length of the shoulder belts through the reciprocating motion of the first torsion spring and the second torsion spring so as to enable the two shoulder belts to bear the force in a balanced manner, buffer the inertia pressure during the motion and achieve the effects of shock absorption and burden reduction during use;

the first limiting braid limits the telescopic length of the elastic band to prevent the elastic band from exceeding the elastic limit, so that the durability of the elastic band is ensured, the limiting cavity limits the moving range of the limiting rod, so that the first torsion spring and the second torsion spring are limited to be excessively telescopic to prevent the first torsion spring and the second torsion spring from exceeding the elastic limit, and the durability of the first torsion spring and the second torsion spring is ensured;

through the braces along the spacing groove slip, prevent that the braces from controlling the width of cloth too big, improve the stationarity, make through the steel wire frame of S-shaped and more adhere to with human back, and increase back support power, accord with ergonomic, it is more comfortable.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a rear view of the structure of the present invention.

Fig. 3 is a schematic structural diagram of the wire frame.

Fig. 4 is a side view of the wire frame.

In the figure: 1. a bag body; 2. a harness; 3. connecting the woven belts; 4. elastic bands; 5. a first limit mesh belt; 6. a second limit mesh belt; 7. a capping layer; 8. a steel wire frame; 9. a frame body; 10. a first torsion spring; 11. a spring connecting rod; 12. a groove part; 13. a reinforcing rod; 14. a limiting groove; 15. a second torsion spring; 16. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a burden-reducing backpack with balanced gravity distribution of shoulders comprises a backpack body 1 and two symmetrically arranged straps 2 connected to the rear side of the backpack body 1, wherein each strap 2 comprises a connecting braid 3, an elastic band 4, a first limiting braid 5 and a second limiting braid 6, a covering layer 7 is arranged on one side of each strap 2 away from the backpack body 1, a steel wire frame 8 is arranged between each covering layer 7 and the backpack body 1, each steel wire frame 8 comprises a frame body 9 and two first torsion springs 10 symmetrically connected to the inner side of the frame body 9, the lower ends of the first torsion springs 10 are connected with spring connecting rods 11, the two spring connecting rods 11 are connected with each other, each spring connecting rod 11 is provided with a groove portion 12, one end of each connecting braid 3 is connected with the groove portion 12, the other end of each connecting braid is connected with the backpack body 1 through the elastic band 4, the two ends of the first limiting braid 5 are respectively connected with the two ends of the elastic band 4, the two ends of the second limiting braid 6 are both connected with the connecting braids 3, and a limit cavity is formed between the connecting mesh belt 3 and the steel wire frame 8, a limit rod 16 is connected in the steel wire frame 8, and the limit rod 16 penetrates through the limit cavity.

In order to improve the elasticity, in this embodiment, preferably, the upper end of the first torsion spring 10 is connected to a second torsion spring 15, and one side of the upper end of the second torsion spring 15 is connected to the frame body 9.

In order to improve the structural stability, in this embodiment, it is preferable that the other side of the upper end of the second torsion spring 15 is connected with a reinforcing rod 13, and the two reinforcing rods 13 are connected with each other.

In order to be attached to the back of the human body more conveniently, and to increase the supporting force of the back, which is in accordance with human engineering and more comfortable, in the present embodiment, preferably, the side surface of the wire frame 8 is disposed in an "S" shape.

In order to prevent the left and right width of the strap 2 from being too large and improve the stability, in this embodiment, it is preferable that a limiting groove 14 is provided between the cover layer 7 and the bag body 1, and the strap 2 is in sliding contact with the limiting groove 14.

The working principle and the using process of the invention are as follows: the elastic band 4 changes the hard connection of the connection part into the elastic connection, the weight of the two connecting woven belts 3 can be distributed in a balanced manner when the backpack is carried, and the first torsion spring 10 and the second torsion spring 15 reciprocate to adjust the length of the two straps 2, so that the two straps 2 are stressed in a balanced manner, the inertia pressure during buffer movement is realized, and the effects of shock absorption and burden reduction during use are achieved.

The elastic band 4 is limited in the stretching length by the first limit mesh belt 5, the elastic band 4 is prevented from exceeding the elastic limit, the durability of the elastic band 4 is guaranteed, the moving range of the limit rod 16 is limited by the limit cavity, the first torsion spring 10 and the second torsion spring 15 are further limited to be excessively stretched, the elastic band is prevented from exceeding the elastic limit, and the durability of the first torsion spring 10 and the second torsion spring 15 is guaranteed.

The left and right sizes of the braces 2 are prevented from being too large by sliding the braces 2 along the limiting grooves 14, the stability is improved, the braces are attached to the back of a human body more closely by the S-shaped steel wire frames 8, the supporting force of the back sizes is increased, the braces accord with ergonomics, and the braces are more comfortable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shoulders equilibrium distributes subtracting burden knapsack of gravity, includes inclusion (1) and connects in two braces (2) that are the symmetry setting of inclusion (1) rear side, its characterized in that: the backpack comprises a backpack body (1), a strap (2) and a carrier, wherein the backpack body (2) comprises a connecting woven belt (3), an elastic band (4), a first limiting woven belt (5) and a second limiting woven belt (6), a covering layer (7) is arranged on one side of the backpack body (2) far away from the backpack body (1), a steel wire frame (8) is arranged between the covering layer (7) and the backpack body (1), the steel wire frame (8) comprises a frame body (9) and two first torsion springs (10) symmetrically connected to the inner side of the frame body (9), the lower ends of the first torsion springs (10) are connected with spring connecting rods (11), the two spring connecting rods (11) are connected with each other, groove parts (12) are arranged on the spring connecting rods (11), one end of the connecting woven belt (3) is connected with the groove parts (12), the other end of the connecting woven belt is connected with the backpack body (1) through the elastic band (4), and two ends of the first limiting woven belt (5) are respectively connected with two ends of the elastic band (4), the two ends of the second limiting woven belt (6) are connected with the connecting woven belt (3), a limiting cavity is formed between the second limiting woven belt and the connecting woven belt (3), a limiting rod (16) is connected in the steel wire frame (8), and the limiting rod (16) penetrates through the limiting cavity.

2. The backpack of claim 1, wherein the backpack includes: the upper end of the first torsion spring (10) is connected with a second torsion spring (15), and one side of the upper end of the second torsion spring (15) is connected with the frame body (9).

3. The backpack of claim 2, wherein the backpack includes: the other side of the upper end of the second torsion spring (15) is connected with a reinforcing rod (13), and the two reinforcing rods (13) are connected with each other.

4. The backpack of claim 1, wherein the backpack includes: the side surface of the steel wire frame (8) is arranged in an S shape.

5. The backpack of claim 1, wherein the backpack includes: a limiting groove (14) is arranged between the covering layer (7) and the bag body (1), and the braces (2) are in sliding contact with the limiting groove (14).