CN213096712U

CN213096712U - Back carrying structure

Info

Publication number: CN213096712U
Application number: CN202021953430.2U
Authority: CN
Inventors: 郭波; 田志超; 林秀峰; 刘钢
Original assignee: Gonghui Beijing Technology Co ltd
Current assignee: Gonghui Beijing Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-04
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a bear structure, include: a bracket including a chassis and a back bracket; the underframe is connected with the back bracket in a folding way through a movable connecting device; the bottom frame is a supporting plate which is composed of a U-shaped frame and a plurality of connecting rods and used for placing a backpack; two ends of the connecting rods are respectively fixed on the inner side of the U-shaped frame in a parallel and uniformly spaced manner; the back support is composed of two longitudinal support rods and a transverse support rod, wherein the bottom ends of the two longitudinal support rods are respectively connected with the open end of the U-shaped frame, and the transverse support rod is transversely connected between the two longitudinal support rods; a first end of the fixing band is detachably connected to the connecting rod or the transverse supporting rod; the second end of the securing strap is removably attached to the backpack. It can fix arbitrary knapsack on the support through the fixed band for the support carries out effectual support to the knapsack, avoids squeezing each other between the article in the knapsack, and bears more laborsaving.

Description

Back carrying structure

Technical Field

The utility model relates to a bear instrument technical field, in particular to bear structure.

Background

The bag can not be separated in life, various bags have the use occasions, the most important function of the bag is to place articles, at least one storage space is arranged in the general bag, and the shapes of the storage spaces are different in view of different types of bags.

The backpack is most widely used, and is mainly characterized by convenient carrying, liberation of hands, light weight, good wear resistance and convenience for outgoing. In order to improve the travelling comfort, and make things convenient for accomodating of both shoulders knapsack, current both shoulders knapsack mostly adopts comparatively mild surface fabric to make, has made things convenient for accomodating of knapsack really after the surface fabric is soft, but along with the weight increase of holding the thing in the knapsack for whole knapsack lasts to push down, not only causes very big pressure for the shoulder, and can also cause the extrusion of each other of article in the knapsack. Of course, there is a backpack made of hard stiff material in the prior art, which is convenient for holding articles but inconvenient for storage when the backpack is not used.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses it is still another purpose to provide a bear structure, can fix arbitrary knapsack on the support through the fixed band for the support carries out effectual support to the knapsack, avoids squeezing each other between article in the knapsack, and bears more laborsaving.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, a backpack structure is provided, including:

a bracket including a chassis and a back bracket; the underframe is connected with the back bracket in a folding way through a movable connecting device; the bottom frame is a supporting plate which is composed of a U-shaped frame and a plurality of connecting rods and used for placing a backpack; two ends of the connecting rods are respectively fixed on the inner side of the U-shaped frame in a parallel and uniformly spaced manner; the back support is composed of two longitudinal support rods and a transverse support rod, wherein the bottom ends of the two longitudinal support rods are respectively connected with the open end of the U-shaped frame, and the transverse support rod is transversely connected between the two longitudinal support rods;

a first end of the fixing band is detachably connected to the connecting rod or the transverse supporting rod; the second end of the securing strap is removably attached to the backpack.

Preferably, in the backpack structure, the end portions of the two ends of the fixing band and the surface close to the end portions are respectively provided with a buckle or a thread gluing which are mutually matched, and after the buckle or the thread gluing are connected, the two ends of the fixing band are sleeved with fixing rings on the connecting rod, the transverse supporting rod or the backpack.

Preferably, in the backpack structure, the fixing strap is detachably connected to the connecting rod closest to the opening of the U-shaped frame.

Preferably, the backpack structure further includes:

the limiting bulges are respectively arranged on the upper surface and the lower surface of the connecting rod closest to the opening of the U-shaped frame and the upper surface and the lower surface of the transverse supporting rod; and the limiting bulges positioned on the upper surface and the lower surface of the same connecting rod or the same transverse supporting rod are symmetrically arranged, and the distance between every two adjacent limiting bulges in the axial direction of the connecting rod or the transverse supporting rod is not less than the width of the fixing band.

Preferably, the backpack structure further includes:

a slip-off preventing ring having an elastic annular structure; the anti-drop ring is detachably sleeved on the two adjacent limiting bulges in the axial direction of the connecting rod or the transverse supporting rod.

Preferably, in the backpack structure, the movable connecting device is a connecting shaft.

Preferably, in the backpack structure, the transverse supporting rod is an arc-shaped rod with an ergonomic curvature.

Preferably, in the backpack structure, the longitudinal support rod is a hollow structure with an opening at the top end, extension rods capable of sliding along the inner wall of the longitudinal support rod are arranged in the longitudinal support rod, and a holding rod is connected between the top ends of the two extension rods; the bottom end of the U-shaped frame is connected with a roller.

Preferably, in the backpack structure, at least two auxiliary support rods are longitudinally connected between two adjacent transverse support rods.

The utility model discloses at least, include following beneficial effect:

the utility model discloses an among the bearing structure, through setting up the bearing structure of compriseing support and fixed band, make arbitrary knapsack all can fix at bearing structure through the fixed band, thereby carry out effectual support to the knapsack through the support, then the user bears the knapsack through bearing the structure, not only make the knapsack can obtain effectual support when using, made things convenient for holding of the inside article of knapsack, and can carry out effectual equilibrium with the weight of knapsack through chassis and back support, thereby make when holding the heavy object in the knapsack, bear and to be more comfortable laborsaving, especially, be fit for being applied to bearing of the instrument of trades such as fitment.

Through the folding connection of chassis and back support for this bear structure can be convenient folding when not using accomodate, portable.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a structural diagram of the backpack structure of the present invention;

fig. 2 is a structural diagram of the bottom frame according to the present invention;

fig. 3 is a structural diagram of the fixing band of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-3, the utility model provides a bearing structure, include: a bracket comprising a chassis 1 and a back bracket; the underframe 1 is connected with the back bracket in a folding way through a movable connecting device; the underframe 1 is a supporting plate which is composed of a U-shaped frame 2 and a plurality of connecting rods 3 and used for placing a backpack; two ends of the connecting rods 3 are respectively fixed on the inner side of the U-shaped frame 2 in a parallel and uniformly spaced manner; the back support is composed of two longitudinal support rods 4 with the bottom ends respectively connected with the open ends of the U-shaped frame 2, and a transverse support rod 5 transversely connected between the two longitudinal support rods 4;

a fixing band 6 whose first end is detachably connected to the connecting rod 3 or the transverse supporting rod 5; the second end of the securing strap 6 is detachably connected to the backpack.

In the above scheme, fix the support on the bottom surface and the back of knapsack through the fixed band, support the bottom surface and the back of inclusion for the knapsack is whole to be prolonged and is expanded, and article are concentrated and are pushed down to knapsack bottom center when having avoided holding article, have not only guaranteed that article are deposited neatly and keep apart mutually, also make things convenient for more comfortable when the knapsack uses, and when bearing the structure and not using, the accessible turns over the chassis to back support direction again, makes the support fold, and is convenient bear accomodating of structure.

Through the folding support of detachable connection by chassis and back support constitution on the inclusion for the inclusion can obtain effectual support when using, has made things convenient for holding of the inside article of inclusion, and can fold when the inclusion does not use, makes things convenient for accomodating and carrying of inclusion.

Through the cooperation of chassis, bracing piece and arc connecting rod for in the knapsack bear the in-process, the arc connecting rod can laminate with human back radian, and carry out effectual equilibrium with the weight of inclusion through chassis and bracing piece, make the inclusion when holding the heavy object bears more comfortable laborsaving, especially is fit for being applied to accomodating and bearing of the instrument of trades such as fitment.

Can connect the bottom end of chassis connecting rod and knapsack braces through the fixed band, then be connected the top of horizontal bracing piece and knapsack braces, simultaneously, many connecting rods of U-shaped frame in-connection for can play effectual support to the knapsack homoenergetic of arbitrary bottom surface size, and the knapsack all has the braces, thereby make this bearing structure can be applicable to the knapsack of arbitrary specification, convenient to use is nimble.

In an optimal scheme, the tip at the both ends of fixed band 6 and be close to the buckle or the thread gluing 7 that are provided with mutual adaptation on the surface of tip respectively, buckle or thread gluing 7 make after connecting the both ends of fixed band 6 form the cover and establish solid fixed ring on connecting rod 3, horizontal bracing piece 5 or the knapsack.

In the above scheme, the end part of the fixing band and the surface close to the end part are respectively provided with the buckles or the thread gluing which are mutually matched, so that the fixing band is very convenient to use, and the connection between the bracket and the backpack is further facilitated.

In a preferred embodiment, the fixing strap 6 is detachably connected to the connecting rod 3 closest to the opening of the U-shaped frame 2.

In the above scheme, the fixed band is connected with the connecting rod that is closest to U-shaped frame opening part, is connected with the connecting rod that is closest to human back promptly for the fixed band is connected inseparabler with the knapsack, and is more firm.

In a preferred embodiment, the method further comprises:

limiting protrusions 8 respectively arranged on the upper and lower surfaces of the connecting rod 3 closest to the opening of the U-shaped frame 2 and the upper and lower surfaces of the transverse supporting rod 5; and the limiting bulges 8 on the upper surface and the lower surface of the same connecting rod 3 or the same transverse supporting rod 5 are symmetrically arranged, and the distance between every two adjacent limiting bulges 8 in the axial direction of the connecting rod 3 or the transverse supporting rod 5 is not less than the width of the fixing belt 6.

In the above scheme, through spacing bellied setting, spacing arch sets up a plurality ofly simultaneously, can inject the fixed band according to the width of knapsack and height and relevant position's spacing arch in, namely the interval and the knapsack width looks adaptation between the fixed band that makes the connection knapsack both ends have not only injectd the position of fixed band, have more guaranteed the steadiness that support and knapsack are connected, and then effectively support the knapsack.

In a preferred embodiment, the method further comprises:

a slip-off preventing ring 9 having an elastic annular structure; the anti-drop ring 9 is detachably sleeved on the two adjacent limiting bulges 8 in the axial direction of the connecting rod 3 or the transverse supporting rod 5.

In the above scheme, through the setting of anticreep ring for the fixed band is restricted between adjacent spacing arch, and the effectual separation that prevents between fixed band and support.

In a preferred embodiment, the movable connecting device is a connecting shaft 10.

In the scheme, the stable connection and the rotary folding between the underframe and the back support can be ensured through the arrangement of the connecting shaft.

In a preferred embodiment, the transverse support bar 5 is an arc-shaped bar with an ergonomic curvature.

In the above scheme, the radian of the transverse supporting rod accords with the curvature of human engineering, so that the support can be perfectly attached to the back of a human body, and the bearing comfort level is increased.

In a preferable scheme, the longitudinal support rod 4 is a hollow structure with an opening at the top end, extension rods 11 capable of sliding along the inner wall of the longitudinal support rod 4 are arranged in the longitudinal support rod 4, and a holding rod 12 is connected between the top ends of the two extension rods 11; the bottom end of the U-shaped frame 2 is connected with a roller 13.

In the above scheme, through the setting of extension bar in the vertical bracing piece for the back support can increase, combines the use of holding the pole, makes the support drag the line more convenient. Through the arrangement of the idler wheels, the support can drive the backpack to slide along the ground, and then the backpack is dragged.

In a preferable scheme, at least two auxiliary supporting rods 14 are longitudinally connected between two adjacent transverse supporting rods 5.

In above-mentioned scheme, the setting of auxiliary stay pole has further improved the support nature and the steadiness of support.

In addition, can also set up the ring dress fixed band around knapsack and back support, fix knapsack and back support at user's waist through the ring dress fixed band, and the position that the ring dress fixed band is located user the place ahead can set up to the waist package to the convenient carrying of personal article.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A piggyback structure, comprising:

2. The backpack structure of claim 1, wherein the ends of the two ends of the fastening strap and the surface near the ends are respectively provided with a mutually adaptive buckle or hook-and-loop fastener, and after the buckle or hook-and-loop fastener is connected, the two ends of the fastening strap form a fixing ring sleeved on the connecting rod, the transverse supporting rod or the backpack.

3. The backpack structure of claim 1 wherein said straps are removably attached to the connecting bar proximate the opening of said U-shaped frame.

4. The piggyback structure of claim 3, further comprising:

5. The piggyback structure of claim 4, further comprising:

6. The backpack structure of claim 1 wherein the articulating mechanism is a link.

7. The backpack structure of claim 1 wherein the lateral support bar is configured as an ergonomically curved arc-shaped bar.

8. The backpack structure of claim 1 wherein the longitudinal support bar is configured as a hollow structure with an opening at the top end, an extension bar is disposed in the longitudinal support bar and can slide along the inner wall of the longitudinal support bar, and a holding bar is connected between the top ends of the two extension bars; the bottom end of the U-shaped frame is connected with a roller.

9. The backpack structure of claim 1 wherein no less than two auxiliary support rods are longitudinally connected between adjacent ones of the transverse support rods.