CN210841945U - Shoulder bag - Google Patents

Abstract

The utility model provides a backpack, which comprises a backpack body, a movable bracket for supporting and fixing the backpack body, a back plate for supporting the back of a human body, two shoulder straps connected with the back plate and a buffer mechanism for reducing the vibration amplitude of the backpack in the vertical direction; the buffer mechanism comprises a linear slide rail assembly for guiding the movable support to move up and down on the back plate and an elastic element for connecting the back plate and the movable support and playing a damping and buffering role, one end of the elastic element is connected with the movable support, and the other end of the elastic element is connected with the back plate. In the process of the load walking movement of the human backpack, the linear slide rail assembly guides the backpack body carrying heavy objects to reciprocate along the vertical direction, and the vibration amplitude generated by the up-and-down reciprocating movement of the backpack body is reduced under the action of the damping force of the elastic element, so that the impact force of the shoulder straps on the shoulders of the human body is well buffered, the pressure force of the backpack on the shoulders is reduced, and the fatigue damage of the backpack on the muscles of the shoulders is avoided.

Description

Shoulder bag

Technical Field

The utility model belongs to the technical field of human wearing equipment, more specifically say, relate to a knapsack.

Background

Currently, the shoulder straps of most backpack bags are secured to the back of the bag. When the backpack is used for hiking, traveling, mountain climbing or sports training, the backpack is shaken up and down along with the walking motion of the human body to generate large-amplitude up-and-down vibration in the vertical direction, so that the shoulders of the human body bear large compression force. The oppression force is influenced by the gravity and the downward gravity acceleration of the backpack load, the more violent the human body movement is, the larger the movement amplitude of the backpack is, even the backpack can form stronger impact force on the shoulders of the human body, so that the muscle soreness of the shoulders is caused, the fatigue feeling of the human body is increased, and the backpack is often difficult to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knapsack aims at solving the human knapsack load walking motion's that exists among the prior art in-process, and the knapsack is great at the range of vertical direction vibration, leads to the problem that human shoulder bore stronger impact force.

In order to achieve the above object, the present invention provides a backpack, which comprises a backpack body, a movable support for supporting and fixing the backpack body, a back plate for supporting the back of a human body, two shoulder straps connected to the back plate, and a buffer mechanism for reducing the vibration amplitude of the backpack body in the vertical direction; the buffer mechanism comprises a linear slide rail assembly for guiding the movable support to move up and down on the back plate and an elastic element which is connected with the back plate and the movable support and plays a role in damping and buffering.

Further, the elastic element is an elastic rope.

Furthermore, the buffer mechanism further comprises a first connecting piece arranged on the movable support and a second connecting piece arranged on the back plate, and the elastic rope is connected with the first connecting piece and the second connecting piece respectively.

Further, the first connecting piece comprises a first wheel shaft arranged on the movable support and a first rope winding wheel rotatably arranged on the first wheel shaft, the second connecting piece comprises a second wheel shaft arranged on the back plate and a second rope winding wheel rotatably arranged on the second wheel shaft, and the elastic rope is wound on the first rope winding wheel and the second rope winding wheel.

Furthermore, a first rope winding groove for positioning the elastic rope is arranged on the outer peripheral surface of the first rope winding wheel, or/and a second rope winding groove for positioning the elastic rope is arranged on the outer peripheral surface of the second rope winding wheel.

Furthermore, a plurality of first rope winding wheels are installed on the movable support at intervals, a plurality of second rope winding wheels are correspondingly installed on the back plate, and the elastic rope is alternately wound on the first rope winding wheels and the second rope winding wheels.

Further, the movable support is plate-shaped in outline.

Furthermore, a plurality of air holes are formed in the back plate.

Further, the linear slide rail assembly comprises two guide rails extending in the vertical direction and two sliding blocks in sliding fit with the guide rails, the two guide rails are arranged on the back plate side by side at intervals, and the two sliding blocks are fixedly connected with the movable support respectively.

Furthermore, the backpack further comprises a plurality of connecting belts used for binding the backpack body on the movable support, the movable support is respectively provided with a plurality of protruding blocks for detachably connecting the connecting belts, and each protruding block is correspondingly provided with a connecting hole for the corresponding connecting belt to pass through.

The utility model provides a knapsack's beneficial effect lies in: compared with the prior art, the utility model provides a knapsack is connected with the backplate of two baldrics through the setting, along vertical direction slidable mounting in the removal support on the backplate and will remove the elastic element that support and backplate carry out being connected to on supporting and being fixed in the removal support with the inclusion, just make two baldrics and inclusion separation setting. In the process of the load walking movement of the backpack, the linear slide rail assembly guides the backpack body carrying heavy objects to reciprocate along the vertical direction, and the vibration amplitude generated by the up-and-down reciprocating movement of the backpack body is reduced under the action of the damping force of the elastic element, so that the impact force of the shoulder straps on the shoulders of the human body is well buffered, the compression force of the backpack on the shoulders is reduced, and the fatigue damage of the backpack on the muscles of the shoulders is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a backpack provided by an embodiment of the present invention;

fig. 2 is a schematic perspective view of a buffering mechanism of a backpack according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a top view direction of a buffering mechanism of a backpack according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a side view direction of a cushioning mechanism of a backpack according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a buffering mechanism of a backpack according to an embodiment of the present invention;

FIG. 6 is a partially enlarged schematic view of FIG. 5;

FIG. 7 is a partially enlarged schematic view of FIG. 5;

fig. 8 is a partially enlarged schematic view of fig. 5.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-inclusion; 2-a back plate; 21-air holes;

3-moving the support; 31-hollowing out the slotted hole; 32-bumps; 33-connecting holes; 4-shoulder straps;

5-a buffer mechanism; 51-a linear slide assembly; 511-guide rail; 512-a slider; 52-elastic cord; 53-a first connector; 531-first axle; 532-a first wrap sheave; 533-first rope winding groove; 54-a second connector; 541-a second axle; 542-a second wrap sheave; 543-second rope winding groove.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, fig. 2 and fig. 5, the backpack of the present invention will now be described. The utility model provides a backpack, including the inclusion 1 that is used for the load object, support and fix the removal support 3 of inclusion 1, be used for supporting in human back's backplate 2, two baldrics 4 that link to each other with backplate 2 and be used for reducing the buffer gear 5 of knapsack at vertical direction vibration range. The buffer mechanism 5 comprises a linear slide rail assembly 51 for guiding the movable support 3 to move up and down on the back plate 2 and an elastic element for connecting the back plate 2 and the movable support 3 and playing a role in damping and buffering, one end of the elastic element is connected with the movable support 3, and the other end of the elastic element is connected with the back plate 2. Carry out elastic connection with movable support 3 and backplate 2 through elastic element, make two baldrics 4 and 1 separation settings of inclusion, reduce the vibration range that the up-and-down reciprocating motion of inclusion 1 produced, make baldric 4 obtain good buffering to the impact force of human shoulder, alleviate the oppression power of knapsack to the shoulder, avoid the knapsack to cause fatigue damage to shoulder muscle, improve the comfort level that human shoulder was born the knapsack.

The utility model provides a backpack compares with prior art, is connected with two backplate 2 that shoulder 4 through the setting, along vertical direction slidable mounting in backplate 2 on the movable support 3 and will move movable support 3 and backplate 2 and carry out the elastic element who is connected to on supporting and being fixed in movable support 3 with inclusion 1, just make two shoulder 4 and inclusion 1 separation setting. In the process of the human backpack load walking movement, the linear slide rail assembly 51 guides the backpack body 1 carrying heavy objects to reciprocate along the vertical direction, and the vibration amplitude generated by the up-and-down reciprocating movement of the backpack body 1 is reduced under the action of the damping force of the elastic element, so that the impact force of the shoulder strap 4 on the shoulders of the human body is well buffered, the pressure of the backpack on the shoulders is relieved, and the fatigue damage of the backpack on the muscles of the shoulders is avoided. In addition, the bag body 1 is slidably mounted on the back plate 2 through the movable support 3, so that the bag body 1 can be prevented from directly contacting the back of a human body, and the bag body 1 is prevented from extruding the back to cause back extrusion damage or friction damage. The utility model discloses a backpack, simple structure, it is small, light in weight.

Specifically, please refer to fig. 4, fig. 5 and fig. 6 together, as an embodiment of the backpack, the linear sliding rail assembly 51 includes two guide rails 511 extending along the vertical direction respectively and two sliders 512 sliding-fitted with the two guide rails 511 respectively, the two guide rails 511 are disposed on the back plate 2 side by side and spaced, the two sliders 512 are fixedly connected with the movable bracket 3 respectively, and the number of the guide rails 511 and the sliders 512 is two, the two guide rails 511 are disposed on the back plate 2 side by side, and the sliders 512 are sliding-fitted with the guide rails 511. The two guide rails 511 extend along the vertical direction, are parallel to each other, and are respectively arranged at two sides of the backboard 2, so that the balance of the bag body 1 is easier to be realized when the bag body shakes up and down, and the sliding block 512 is prevented from being clamped in the sliding block 512. Of course, the number of the guide rails 511 may be 3 or 4, and the number is not limited herein. More specifically, the inner side of the guide rail 511 is provided with a guide groove, and both sides of the slider 512 are provided with a dovetail block, a triangular block, a rectangular block, or the like which is matched with the guide groove.

Preferably, please refer to fig. 4 and fig. 5 together, as an embodiment of the backpack provided by the present invention, the linear sliding rail assembly 51 includes two guide rails 511 extending along the vertical direction respectively and two sliding blocks 512 sliding-fitted with the two guide rails 511 respectively, the two guide rails 511 are disposed on the back plate 2 side by side and at intervals, and the two sliding blocks 512 are fixedly connected with the movable bracket 3 respectively.

In this embodiment, be provided with linear slide rail set 51 between movable support 3 and backplate 2, linear slide rail set 51 is including two guide rails 511 that set up on backplate 2 side by side and interval and two sliders 512 that link to each other with movable support 3 is fixed respectively, two sliders 512 respectively with two guide rails 511 sliding fit, in the process of human knapsack load walking motion, linear slide rail set 51 can lead to being fixed in inclusion 1 on movable support 3, guide inclusion 1 makes straight reciprocating motion along vertical direction, and backplate 2 supports in that human waist is fixed motionless, can avoid the friction of inclusion 1 and human back, promote the comfort level of bearing the knapsack. Furthermore, the bag body 1 can partially offset the deformation of the elastic element (the elastic rope 52) along with the movement of the movable bracket 3 on the linear guide rail 511, and indirectly reduces the pressure of the shoulder strap 4 on the shoulder. Moreover, when the bag body 1 moves downwards, the bag body 1 can only move vertically downwards along the guide rails 511, the bag body 1 cannot pull the elastic element (the elastic rope 52) left and right, the mechanical efficiency is increased, the pressing force of the shoulder straps 4 on the shoulders is buffered, and the peak value of the ground treading force of the lower limbs on the ground is reduced.

Preferably, the elastic element is a bungee 52 or elastic band with a large stiffness coefficient, so that the mobile bracket 3 can be stably connected with the back plate 2 and can play a good role in damping and buffering. Of course, the elastic element may also be a spring or other elastic object made of elastic material, which is specifically selected according to actual needs and is not limited herein.

Further, please refer to fig. 2, fig. 4 and fig. 5 together, as a specific embodiment of the backpack of the present invention, the buffering mechanism 5 further includes a first connecting member 53 disposed on the movable bracket 3 and a second connecting member 54 disposed on the back plate 2, and the elastic cord 52 is connected to the first connecting member 53 and the second connecting member 54 respectively.

Specifically, the elastic rope 52 is connected with the movable support 3 through the first connecting piece 53, the elastic rope 52 is connected with the back plate 2 through the second connecting piece 54, when the backpack moves up and down along the vertical direction, the elastic rope 52 can be stretched, the impulse part generated instantly is offset by the elastic rope 52, a good buffering effect is achieved, the amplitude of the reciprocating motion of the backpack body 1 along the vertical direction is reduced, the instantaneous impulse of the backpack born by the shoulders of the human body is greatly reduced, the shoulder straps 4 are prevented from causing strong impact force to the shoulders of the human body, and the comfort level of the backpack is improved. In this embodiment, the number of the elastic cords 52 is not limited, and for example, a plurality of elastic cords 52 may be additionally provided between the movable bracket 3 and the back plate 2 in order to increase the buffering effect. In addition, set up first connecting piece 53 on moving movable support 3 and set up second connecting piece 54 on backplate 2, stretch cord 52 can dismantle respectively with first connecting piece 53 and second connecting piece 54 and link to each other, makes things convenient for being connected between stretch cord 52 and backplate 2, the moving movable support 3 to can conveniently be different according to the load quality that needs bear, can swiftly change corresponding elastic modulus's elastic element (elastic cord), make the cushioning effect better.

In this embodiment, the first connecting member 53 and the second connecting member 54 for connecting the elastic element (elastic cord) have the same structure, and the first connecting member 53 and the second connecting member 54 may be a bolt connecting structure, a buckle connecting structure, a hook and loop fastener, etc. which are commonly used.

Preferably, referring to fig. 5, fig. 7 and fig. 8 together, as an embodiment of the backpack provided by the present invention, the first connecting member 53 includes a first wheel axle 531 disposed on the moving bracket 3 and a first rope winding wheel 532 rotatably mounted on the first wheel axle 531, the second connecting member 54 includes a second wheel axle 541 disposed on the back plate 2 and a second rope winding wheel 542 rotatably mounted on the second wheel axle 541, and the elastic rope 52 is wound on the first rope winding wheel 532 and the second rope winding wheel 542.

In this embodiment, the elastic cord 52 is movably wound on the movable bracket 3 and the back plate 2 through the first rope winding wheel 532 and the second rope winding wheel 542, so that the installation and replacement of the elastic cord 52 are facilitated, the installation and replacement efficiency of the elastic cord 52 is improved, the damping and buffering effects of the elastic cord 52 can be further improved, the vibration amplitude of the backpack is further reduced, and the pressing force of the shoulder strap 4 on the shoulders of the human body is reduced.

Further, please refer to fig. 7 together, as a specific embodiment of the backpack provided by the present invention, the first rope winding groove 533 for positioning the elastic rope 52 is disposed on the outer peripheral surface of the first rope winding wheel 532, in this embodiment, the first rope winding groove 533 is disposed on the outer peripheral surface of the first rope winding wheel 532, so that the elastic rope 52 is accommodated and positioned in the first rope winding groove 533, the slipping phenomenon of the elastic rope 52 from the first rope winding wheel 532 is avoided, the installation stability of the elastic rope 52 is enhanced, and the elastic rope 52 can play a good buffering effect. And, the elastic rope 52 is conveniently and rapidly connected to the movable bracket 3 through the first rope winding wheel 532, and the operation is convenient.

Further, referring to fig. 8, as an embodiment of the backpack of the present invention, a second rope winding groove 543 for positioning the elastic rope 52 is disposed on an outer circumferential surface of the second rope winding wheel 542. In this embodiment, the second rope winding groove 543 is formed in the outer circumferential surface of the second rope winding wheel 542, so that the elastic rope 52 is received and positioned in the second rope winding groove 543, thereby preventing the elastic rope 52 from slipping off from the second rope winding wheel 542, enhancing the installation stability of the elastic rope 52, and enabling the elastic rope 52 to have a good buffering effect. And, the elastic cord 52 can be easily connected to the back panel 2 through the second rope winding wheel 542, and the operation is convenient.

Further, please refer to fig. 3, fig. 4 and fig. 5, as an embodiment of the backpack of the present invention, a plurality of first rope winding wheels 532 are installed on the movable support 3 at intervals, and a plurality of second rope winding wheels 542 are correspondingly installed on the back plate 2, and the elastic rope 52 is alternately wound on the first rope winding wheels 532 and the second rope winding wheels 542.

In this embodiment, a plurality of first rope winding wheels 532 are installed at the interval on movable support 3, a plurality of second rope winding wheels 542 are installed at the corresponding interval on backplate 2 simultaneously, stretch cord 52 winds around locating on first rope winding wheel 532 and second rope winding wheel 542 in turn, carry out elastic connection with backplate 2 and movable support 3, the stability of being connected between backplate 2 and the movable support 3 has been strengthened, improve movable support 3 along with the equilibrium of atress when inclusion 1 reciprocates on backplate 2, thereby further improve the shock attenuation buffering effect, reduce the vibration range of knapsack, alleviate oppression power and the impact force of baldric 4 to human shoulder.

Further, please refer to fig. 2, fig. 3 and fig. 5 together, as a specific embodiment of the backpack, the outline of the movable support 3 is plate-shaped to reduce the overall volume of the backpack, and the plate-shaped movable support 3 is parallel to the backboard 2 and spaced, so that the stability of the movable support 3 reciprocating along the vertical direction of the backpack body 1 can be improved, the stress is balanced, which is beneficial to effectively buffering the impulse of the backpack body 1 by the elastic element (elastic rope), the vibration amplitude of the backpack is reduced, and the compression force of the shoulder strap 4 on the shoulders of the human body is reduced.

Specifically, referring to fig. 2, fig. 3 and fig. 5, as an embodiment of the backpack of the present invention, the plate-shaped movable bracket 3 is provided with a plurality of hollow slots 31, so as to reduce the weight of the movable bracket 3 and reduce the vibration amplitude of the backpack to a certain extent.

Preferably, the slotted holes 31 are circular holes to firmly bind the bag 1 or the load object to the plate-shaped movable support 3. Of course, each of the hollow-out slots 31 can be set to be any polygonal hole shape, and the plurality of hollow-out slots 31 are distributed at equal intervals along the length direction of the plate-shaped moving bracket 3, so as to be convenient for fixing bag bodies 1 or load objects with different sizes and specifications.

Further, please refer to fig. 2, fig. 3 and fig. 5 together, as a specific embodiment of the backpack provided by the present invention, a plurality of air holes 21 are disposed on the back plate 2, so as to facilitate perspiration and heat dissipation, improve the comfort of the back of the human body, and reduce the weight of the back plate 2. And, a plurality of bleeder vents 21 are distributed along vertical direction at equal intervals, further are favorable to human back heat dissipation perspire. And, a plurality of bleeder vents 21 are latticed and distribute on backplate 2, further lighten backplate 2's weight, save material improves ventilative heat dispersion, improves the travelling comfort.

Further, as the utility model provides a backpack's a specific embodiment, be equipped with respectively on backplate 2 with two baldrics can dismantle the connecting seat that links to each other (not shown in the figure), set up the bar hole (not shown in the figure) that supplies corresponding baldric to pass on each connecting seat.

Specifically, the backpack is divided into a single-shoulder backpack and a double-shoulder backpack, in this embodiment, the backpack is a double-shoulder backpack, the backpack has two shoulder straps 4, and an end of each shoulder strap 4 passes through a corresponding strip-shaped hole and is connected with a corresponding connecting seat, so as to facilitate connection between the shoulder straps 4 and the back plate 2. The shoulder strap 4 and the back plate 2 can be fixed by a connection mode of a buckle or a magic tape. When the backpack is used, the two shoulders bear the load of the backpack body 1 together, and the two shoulder belts 4 relieve the pressure of the left shoulder and the right shoulder respectively to keep the balance of the backpack.

Further, as the utility model provides a backpack's a specific embodiment, backplate 2 is used for still being provided with the shock pad in the one side with human back contact to further reduce the vibration range of knapsack. And, the shock pad adopts ventilative soft material to make to improve the comfort level of back.

Further, please refer to fig. 4 together, as a specific embodiment of the backpack provided by the present invention, the backpack further includes a plurality of connecting bands binding the backpack body 1 on the movable support 3, the movable support 3 is respectively provided with a plurality of connecting bands for detachable connection of the connecting blocks 32, each of the connecting bands 32 is provided with a connecting hole 33 for the corresponding connecting band to pass through, so as to fix the backpack body 1 on the movable support 3 through the connection and cooperation of the connecting bands and the connecting blocks 32. Specifically, the connection between the connection belt and the bump 32 may be fixed by a fastening structure or a hook and loop fastener commonly used in the prior art.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A backpack, characterized in that: the backpack comprises a backpack body, a movable bracket for supporting and fixing the backpack body, a back plate for supporting the back of a human body, two shoulder straps connected with the back plate and a buffer mechanism for reducing the vibration amplitude of the backpack body in the vertical direction; the buffer mechanism comprises a linear slide rail assembly for guiding the movable support to move up and down on the back plate and an elastic element which is connected with the back plate and the movable support and plays a role in damping and buffering.

2. The backpack of claim 1, wherein: the elastic element is an elastic rope.

3. The backpack of claim 2, wherein: the buffer mechanism further comprises a first connecting piece arranged on the movable support and a second connecting piece arranged on the back plate, and the elastic rope is connected with the first connecting piece and the second connecting piece respectively.

4. The backpack of claim 3, wherein: the first connecting piece comprises a first wheel shaft arranged on the movable support and a first rope winding wheel rotatably arranged on the first wheel shaft, the second connecting piece comprises a second wheel shaft arranged on the back plate and a second rope winding wheel rotatably arranged on the second wheel shaft, and the elastic rope is wound on the first rope winding wheel and the second rope winding wheel.

5. The backpack of claim 4, wherein: the first rope winding groove for positioning the elastic rope is arranged on the outer peripheral surface of the first rope winding wheel, or/and the second rope winding groove for positioning the elastic rope is arranged on the outer peripheral surface of the second rope winding wheel.

6. The backpack of claim 4, wherein: the movable support is provided with a plurality of first rope winding wheels at intervals, the back plate is correspondingly provided with a plurality of second rope winding wheels, and the elastic rope is alternately wound on the first rope winding wheels and the second rope winding wheels.

7. The backpack of claim 1, wherein: the movable support is plate-shaped in outline.

8. The backpack of claim 1, wherein: the back plate is provided with a plurality of air holes.

9. The backpack of claim 1, wherein: the linear slide rail assembly comprises two guide rails extending in the vertical direction and two sliding blocks in sliding fit with the guide rails respectively, the two guide rails are arranged on the back plate side by side at intervals, and the two sliding blocks are fixedly connected with the movable support respectively.

10. The backpack according to any one of claims 1 to 9, wherein: the backpack further comprises a plurality of connecting belts used for binding the backpack body on the movable support, the movable support is respectively provided with a plurality of convex blocks for detachably connecting the connecting belts, and each convex block is correspondingly provided with a connecting hole for the corresponding connecting belt to pass through.

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