CN216932243U - But push-and-pull type knapsack - Google Patents

Abstract

The utility model relates to a backpack, in particular to a push-pull backpack. The utility model provides a push-pull type backpack capable of freely switching a backpack mode and a luggage mode according to needs. A push-pull type backpack comprises a first storage, a zipper, braces, a buckle, a second rod piece, a first pull rod, rollers and the like; the top of the first storage device is provided with a zipper, the left side and the right side of the upper portion of the first storage device are respectively provided with a buckle, braces are connected between the buckles in a rotating mode, a second rod piece is arranged on the right side of the bottom in the first storage device, a first rod piece is arranged on the left side in a sliding mode, a first pull rod is arranged on the left side in a rotating mode, and a roller is arranged on the right lower portion of the first storage device in a sliding mode. When needs carry smallclothes article, people can switch to the mode of single shoulder knapsack, when needs carry heavier article, people can switch to the suitcase mode, through freely switching two kinds of modes, can make the trip more convenient, more laborsaving as required.

Description

But push-and-pull type knapsack

Technical Field

The utility model relates to a backpack, in particular to a push-pull backpack.

Background

The knapsack is the portable dress thing instrument of going to school or going out commonly used, traditional knapsack is generally the backpack of back on the back or the single shoulder bag of back on the shoulder, when article quality is lighter, this kind of knapsack is more convenient, but when the article that needs to carry are more, lead to the knapsack weight heavier, traditional knapsack back of the body just is tired comparatively more on one's body, it is inconvenient to go on a journey, in addition, when luggage is more, people can consider to carry the suitcase, but consider that the suitcase is heavier, when luggage is less, it can also lead to the inconvenience of going on a journey to drag the suitcase.

In consideration of the above two situations, in order to make people carry articles more conveniently, a push-pull type backpack capable of freely switching a backpack mode and a luggage mode according to needs is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the traditional backpack back weight is easy to fatigue and the luggage case is not suitable for carrying small articles, the utility model has the technical problems that: provided is a push-pull type backpack capable of freely switching a backpack mode and a luggage mode as required.

The utility model provides a but push-and-pull type knapsack, including first accumulator, the zip fastener, the braces, the buckle, first pull rod, the gyro wheel, first spring, first member, the second member, second pull rod and second spring, first accumulator top is equipped with the zip fastener, the first accumulator upper portion left and right sides all is equipped with the buckle, the rotary type is connected with the braces between the buckle, bottom right side is equipped with the second member in the first accumulator, second member left side slidingtype is equipped with first member, first member left side rotary type is equipped with first pull rod, first accumulator right side lower part slidingtype is equipped with the gyro wheel, both sides all are connected with first spring between with the first accumulator around the gyro wheel, first accumulator right side lower part slidingtype is equipped with the second pull rod, around there being the second spring on the second pull rod, the second spring both ends are connected with first accumulator and second pull rod respectively.

Further, the storage device comprises a second storage device, a cover and a fixing belt, wherein the second storage device is arranged in the middle of the front side of the first storage device, the cover is arranged in the middle of the front side of the second storage device, and the fixing belt is arranged on the front side of the left lower portion of the first storage device.

Further explain, still including the magic subsides, fixed band rear portion inboard and first accumulator rear lower part left side all are equipped with the magic subsides, and two magic subsides can the mutual adhesion.

Further, the harness is a rigid strap.

Further, the second container is semicircular.

Further, the first reservoir has a larger capacity than the second reservoir.

The beneficial effects are that:

1. when needs carry smallclothes article, people can switch to single shoulder knapsack mode, and when needs carried heavier article, people can switch to the suitcase mode, through freely switching two kinds of modes, can make the trip more convenient, more laborsaving as required.

2. The zipper is unzipped, larger objects can be placed into the first storage, the cover is opened, smaller objects can be placed into the second storage, different objects can be stored in a classified mode, and searching is facilitated.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional three-dimensional structure diagram of the push-pull mechanism of the present invention.

Fig. 3 is a first partially sectional perspective view of the push-pull mechanism of the present invention.

Fig. 4 is a schematic view of a second partially cut-away perspective structure of the push-pull mechanism of the present invention.

Part names and serial numbers in the figure: 1_ first container, 2_ second container, 3_ cover, 4_ zipper, 5_ braces, 6_ buckle, 7_ fixing band, 8_ first pull rod, 9_ roller, 10_ first spring, 11_ first rod, 12_ second rod, 13_ second pull rod, 14_ second spring.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings.

Example 1

A push-pull type backpack is shown in figures 1-4 and comprises a first storage 1, a zipper 4, braces 5, buckles 6, a first pull rod 8, rollers 9, a first spring 10, a first rod piece 11, a second rod piece 12, a second pull rod 13 and a second spring 14, wherein the zipper 4 is arranged at the top of the first storage 1, the buckles 6 are welded at the left side and the right side of the upper part of the first storage 1, the braces 5 are connected between the buckles 6 in a bearing mode, the braces 5 are rigid belts, the braces 5 can be worn on the back of a person by one shoulder, the rollers 9 are arranged at the right lower part of the first storage 1 in a sliding mode, the second rod piece 12 is arranged at the right side of the inner bottom of the first storage 1, the first rod piece 11 is arranged at the left side in a sliding mode on the second rod piece 12, the first pull rod 8 is arranged at the left side of the first rod piece 11 in a bearing mode, the first spring 10 is connected between the front side and the back side of the rollers 9 and the first storage 1, the second pull rod 13 is arranged at the right lower part of the first storage 1 in a sliding mode, the second pull rod 13 can clamp the roller 9, a second spring 14 is wound on the second pull rod 13, and two ends of the second spring 14 are respectively connected with the first storage device 1 and the second pull rod 13.

Still including second accumulator 2, lid 3 and fixed band 7, 1 front side middle part of first accumulator is equipped with second accumulator 2, and second accumulator 2 is semi-circular, and 1 capacity of first accumulator is greater than second accumulator 2, and 1 left lower part front side of first accumulator is equipped with fixed band 7 through the mode of needle and thread sewing, and 2 front side middle parts of second accumulator are equipped with lid 3 through the mode of screw thread.

Still including the magic subsides, the lower part left side all is equipped with the magic subsides behind 7 rear portions inboards of fixed band and first accumulator 1, and two magic subsides can the adhesion each other.

The backpack is a push-pull type backpack, wherein a user can open a zipper 4, put a larger article into a first storage 1, then pull the zipper 4, open a cover 3, put a smaller article into a second storage 2, then close the cover 3, carry the backpack on one shoulder by a strap 5, initially, a roller 9 is not in contact with the ground, when the backpack is loaded with a heavy article, pull a fixing belt 7 forwards to separate two magic tapes, pull a first rod 11 by a first pull rod 8 to slide leftwards along a second rod 12, pull a second pull rod 13 rightwards by the user, compress the second spring 14, reset the first spring 10 in a compressed state to drive the roller 9 to slide downwards, when the roller 9 slides downwards to be in contact with the ground, the first storage 1 is not in contact with the ground, release the second pull rod 13, reset the second spring 14 to drive the second pull rod 13 to slide leftwards to clamp the upper part of the roller 9, so, people can be through holding first pull rod 8, and under the rolling cooperation of gyro wheel 9, realize the effect of this knapsack of push-and-pull, when need not push and pull this knapsack, again manual right pulling second pull rod 13, second spring 14 is compressed, under the action of gravity, first accumulator 1 slides down and contacts with ground, make gyro wheel 9 indentation in first accumulator 1, first spring 10 is compressed, loosen second pull rod 13, second spring 14 resets and drives second pull rod 13 and slide left and block gyro wheel 9 lower part, and manual right push first member 11, upwards rotate first pull rod 8 and pack up, pull fixed band 7 backward again, make two magic subsides paste, make first pull rod 8 fixed.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. A push-pull type knapsack is characterized in that: comprises a first storage (1), a zipper (4), braces (5), buckles (6), a first pull rod (8), rollers (9), first springs (10), first rod pieces (11), second rod pieces (12), a second pull rod (13) and second springs (14), wherein the zipper (4) is arranged at the top of the first storage (1), the buckles (6) are arranged on the left and right sides of the upper part of the first storage (1), the braces (5) are rotatably connected between the buckles (6), the second rod piece (12) is arranged on the right side of the inner bottom of the first storage (1), the first rod piece (11) is arranged on the left side of the second rod piece (12) in a sliding manner, the first pull rod (8) is rotatably arranged on the left side of the first rod piece (11), the rollers (9) are arranged on the right lower part of the first storage (1) in a sliding manner, the first springs (10) are connected between the front and back sides of the rollers (9) and the first storage (1), a second pull rod (13) is arranged on the lower right portion of the first storage device (1) in a sliding mode, a second spring (14) is wound on the second pull rod (13), and two ends of the second spring (14) are connected with the first storage device (1) and the second pull rod (13) respectively.

2. A push-pull type backpack as claimed in claim 1, wherein: the novel storage device is characterized by further comprising a second storage device (2), a cover (3) and a fixing belt (7), wherein the second storage device (2) is arranged in the middle of the front side of the first storage device (1), the cover (3) is arranged in the middle of the front side of the second storage device (2), and the fixing belt (7) is arranged on the front side of the left lower portion of the first storage device (1).

3. A push-pull type backpack according to claim 2, wherein: still including the magic subsides, the lower part left side all is equipped with the magic subsides behind fixed band (7) rear portion inboard and first accumulator (1), and two magic subsides can the mutual adhesion.

4. A push-pull type backpack according to claim 3, wherein: the back belt (5) is a rigid belt.

5. A push-pull type backpack according to claim 4, wherein: the second reservoir (2) is semicircular.

6. A push-pull type backpack as claimed in claim 5, wherein: the first reservoir (1) has a larger capacity than the second reservoir (2).

Images