CN209788909U - Backpack convenient to fold - Google Patents

Abstract

The utility model discloses a knapsack convenient to it is folding, including knapsack body and backing sheet, first spout has been seted up to the lateral wall of knapsack body, and the upper end fixedly connected with fixed block of knapsack body, the inner wall of knapsack body is linear embedding and is provided with the backing sheet, the lateral wall fixedly connected with second fixed column of fixed block, the one end fixedly connected with stopper of second fixed column, the inside wall of first spout is linear equidistance the fixed orifices of having seted up, and the inside sliding connection of first spout has first slider, the second spout has been seted up to the lateral wall of first slider, and the upper end fixedly connected with retaining ring of first slider, the inside sliding connection of second spout has the second slider. The utility model discloses in through removing first slider to the bottommost of first spout, wind the mid point of braces on the second fixed column again to the person of facilitating the use switches both shoulders knapsack and single shoulder knapsack, has improved the performance of knapsack.

Description

Backpack convenient to fold

Technical Field

the utility model relates to a knapsack technical field especially relates to a knapsack convenient to it is folding.

Background

Backpacks are commonly used to carry items in a convenient and comfortable manner while hands-free for the user. However, once the backpack is worn on the user's back, it is difficult to retrieve its contents. Generally, the user needs to unfasten the backpack to remove the item. In addition, backpacks often occupy a large amount of space, and therefore in environments where space is limited, such as on trains or buses during peak hours or on cable skis, it is difficult for the user to sit down (and sometimes to walk or stand). In this case, if the user can manually fold the backpack, space is saved.

The existing backpack is generally a single-shoulder backpack or a double-shoulder backpack, and the single-shoulder backpack and the double-shoulder backpack are difficult to switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a backpack convenient to fold.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backpack convenient to fold comprises a backpack body and a supporting sheet, wherein a first sliding groove is formed in the side wall of the backpack body, a fixed block is fixedly connected to the upper end of the backpack body, the supporting sheet is linearly embedded in the inner wall of the backpack body, a second fixed column is fixedly connected to the side wall of the fixed block, a limiting block is fixedly connected to one end of the second fixed column, fixed holes are formed in the inner side wall of the first sliding groove in a linear equidistant mode, a first sliding block is slidably connected to the inside of the first sliding groove, a second sliding groove is formed in the side wall of the first sliding block, a fixed circular ring is fixedly connected to the upper end of the first sliding block, a second sliding block is slidably connected to the inside of the second sliding groove, a first handle is fixedly connected to one side wall of the second sliding block, a first fixed column is fixedly connected to the other side wall of the second sliding block, the outside cover of fixed ring has the U-shaped piece, the upper end fixedly connected with braces of U-shaped piece, and the front surface of U-shaped piece sets up threaded hole, the inside rotation of threaded hole is connected with the screw rod, the one end fixedly connected with second handle of screw rod.

Preferably, the side walls of the first handle and the second handle are both provided with anti-slip patterns.

Preferably, the inner diameter of the threaded hole is equal to the diameter of the screw, and the threaded hole is in threaded rotary connection with the screw.

Preferably, the inner diameter of the fixing hole is equal to the diameter of the first fixing column, and the fixing hole is coupled with the first fixing column.

Preferably, the first sliding block and the second sliding block are connected in a sliding mode through a second sliding groove.

Preferably, the thickness of the support sheet is 0.5CM, and the support sheet is a member made of an aluminum alloy material.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, after the fixed ring is inserted into the central position of the U-shaped block, the second handle is rotated to enable the screw rod to rotate in the threaded hole formed on the front surface of the U-shaped block, the strap is fixedly arranged at the upper end of the first slider, if a user needs to adjust the length of the strap, the first handle is manually moved from the tail end of the second chute to the first section of the second chute, the first handle drives the second slider to move, the second slider drives the first fixed column to move, the first fixed column is separated from the fixed hole formed on the inner side wall of the first chute, the first slider is moved downwards in the first chute until the first slider is moved to the bottom end of the first chute, after the first fixed column is aligned with the position of the fixed hole, the first handle is pushed to the tail end of the second chute, the first fixed column is inserted into the fixed hole, the middle point of the strap is wound on the second fixed column, thereby facilitating the user to switch the backpack with the single-shoulder backpack and improving the service performance of the backpack.

Drawings

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic view of the mounting structure of the support sheet of the present invention;

Fig. 3 is a schematic view of the mounting structure of the U-shaped block of the present invention;

Fig. 4 is a schematic structural view of a first slide block of the present invention;

Fig. 5 is an enlarged schematic view of a partial structure a of the present invention.

in the figure: 1. a backpack body; 2. a support sheet; 3. a first chute; 4. a fixing hole; 5. a harness; 6. a U-shaped block; 7. a threaded hole; 8. a screw; 9. a first slider; 10. a second chute; 11. a second slider; 12. a first handle; 13. a first fixed column; 14. fixing the circular ring; 15. a limiting block; 16. a fixed block; 17. a second fixed column; 18. a second handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a backpack convenient to fold comprises a backpack body 1 and a supporting sheet 2, a first chute 3 is formed on a side wall of the backpack body 1, a fixing block 16 is fixedly connected to an upper end of the backpack body 1, the supporting sheet 2 is linearly embedded in an inner wall of the backpack body 1, a second fixing column 17 is fixedly connected to a side wall of the fixing block 16, a limiting block 15 is fixedly connected to one end of the second fixing column 17, fixing holes 4 are formed in an inner side wall of the first chute 3 at linear equal intervals, a first slider 9 is slidably connected to an inner portion of the first chute 3, a second chute 10 is formed in a side wall of the first slider 9, a fixing ring 14 is fixedly connected to an upper end of the first slider 9, a second slider 11 is slidably connected to an inner portion of the second chute 10, a first handle 12 is fixedly connected to a side wall of the second slider 11, and a first fixing column 13 is fixedly connected to, first fixed column 13 is located the inside of fixed orifices 4, and fixed ring 14 outside cover has U-shaped piece 6, and the upper end fixedly connected with braces 5 of U-shaped piece 6, and the front surface of U-shaped piece 6 seted up screw hole 7, and the inside rotation of screw hole 7 is connected with screw rod 8, and the one end fixedly connected with second handle 18 of screw rod 8.

Antiskid decorative patterns have all been seted up to the lateral wall of first handle 12 and second handle 18, the internal diameter of screw hole 7 equals with the diameter of screw rod 8, and screw hole 7 passes through the screw thread rotation with screw rod 8 and is connected, the internal diameter of fixed orifices 4 equals with the diameter of first fixed column 13, and fixed orifices 4 and the coupling of first fixed column 13, first slider 9 and second slider 11 pass through second spout 10 sliding connection, the thickness of backing sheet 2 is 0.5CM, and backing sheet 2 is the component of an aluminum alloy material.

The working principle is as follows: after the fixed ring 14 is inserted into the center position of the U-shaped block 6, the second handle 18 is rotated to enable the screw rod 8 to rotate in the threaded hole 7 formed in the front surface of the U-shaped block 6, the braces 5 are fixedly arranged at the upper end of the first sliding block 9, if a user needs to adjust the length of the braces 5, the first handle 12 needs to be manually moved from the tail end of the second sliding groove 10 to the first section of the second sliding groove 10, the first handle 12 drives the second sliding block 11 to move, the second sliding block 11 drives the first fixed column 13 to move, after the first fixed column 13 is separated from the fixed hole 4 formed in the inner side wall of the first sliding groove 3, the first sliding block 9 is moved downwards in the first sliding groove 3 until the first sliding block 9 is moved to the bottommost end of the first sliding groove 3, after the first fixed column 13 is aligned with the fixed hole 4, the first handle 12 is pushed to the endmost end of the second sliding groove 10, and the first fixed column 13 is inserted into the fixed hole, then the middle point of the strap 5 is wound on the second fixing column 17, thereby facilitating the user to switch the backpack with two shoulders and the backpack with one shoulder, and improving the service performance of the backpack.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The backpack convenient to fold comprises a backpack body (1) and a supporting sheet (2), and is characterized in that a first sliding groove (3) is formed in the side wall of the backpack body (1), a fixing block (16) is fixedly connected to the upper end of the backpack body (1), the supporting sheet (2) is linearly embedded in the inner wall of the backpack body (1), a second fixing column (17) is fixedly connected to the side wall of the fixing block (16), a limiting block (15) is fixedly connected to one end of the second fixing column (17), fixing holes (4) are formed in the inner side wall of the first sliding groove (3) in a linear equidistant mode, a first sliding block (9) is slidably connected to the inner portion of the first sliding groove (3), a second sliding groove (10) is formed in the side wall of the first sliding block (9), and a fixing circular ring (14) is fixedly connected to the upper end of the first sliding block (9), the inside sliding connection of second spout (10) has second slider (11), a lateral wall fixedly connected with first handle (12) of second slider (11), and another lateral wall fixedly connected with first fixed column (13) of second slider (11), first fixed column (13) are located the inside of fixed orifices (4), fixed ring (14) outside cover has U-shaped piece (6), the upper end fixedly connected with braces (5) of U-shaped piece (6), and the front surface of U-shaped piece (6) seted up threaded hole (7), the internal rotation of threaded hole (7) is connected with screw rod (8), the one end fixedly connected with second handle (18) of screw rod (8).

2. the backpack convenient to fold as claimed in claim 1, wherein the side walls of the first handle (12) and the second handle (18) are provided with anti-slip patterns.

3. The backpack convenient to fold according to claim 1, wherein the threaded hole (7) has an inner diameter equal to the diameter of the screw (8), and the threaded hole (7) is rotatably connected with the screw (8) through threads.

4. The backpack for facilitating folding according to claim 1, wherein the inner diameter of the fixing hole (4) is equal to the diameter of the first fixing column (13), and the fixing hole (4) is coupled with the first fixing column (13).

5. the backpack facilitating folding according to claim 1, characterized in that the first slider (9) and the second slider (11) are slidably connected by a second chute (10).

6. A backpack for facilitating folding according to claim 1, wherein said support sheet (2) has a thickness of 0.5CM and the support sheet (2) is a member of an aluminum alloy.