Detachable portable backpack

Abstract

The utility model discloses a detachable portable backpack which comprises a backpack main body and a pull rod assembly matched with the backpack main body, side face storage bins are arranged on the two sides of the backpack main body, a plurality of fixing rings are arranged on the portions, close to the upper portions of the side face storage bins, of the two sides of the backpack main body, and each fixing ring is provided with a tightening belt in a matched mode; the pull rod assembly is arranged on the back face of the backpack body in a matched mode and comprises a supporting rod, a pull rod and a handle. A plurality of fixing rods are installed on the supporting rod in an array mode, and one end of each fixing rod is connected with the supporting rod in a matched mode through a rotating unit. The pull rod is of a telescopic structure and is divided into an upper rod and a lower rod; the supporting rod, the pull rod, the rotating shaft rod and the rotating rod are used in cooperation, the pull rod assembly can be stored and placed in the side face storage bin, through fixing of the fixing ring and the tightening belt, storage is more convenient in the place with many people, and the two hands are liberated.

Description

Technical Field

[0001] The utility model relates to the technical field of backpacks, in particular to a detachable and portable backpack. Background Art

[0002] Backpacks are a common tool for carrying items and are widely used in long-term travel scenarios such as traveling and going to school. The trolley backpack combines the advantages of a trolley case and a backpack. By setting a trolley and wheels, the bag can be dragged when needed.

[0003] In this regard, application No. 202123097287.9 ​​proposes a detachable trolley backpack, which is provided with a mounting plate, a trolley mechanism, a fixing part, a fixing plate and a limiting column. By twisting the support rod, the end of the support rod is separated from the limiting column, and the support rod and the fixing plate are removed in turn. The whole process is convenient and quick, which reduces the adverse effects of the trolley squeeze on the user's back, meets the user's use needs, and improves the practicality of the trolley backpack. When using a trolley backpack, the backpack is dragged by the trolley and wheels to reduce the burden on the shoulders and back, especially when it is necessary to carry heavy objects for a long time, the weight on the shoulders and back is reduced, and fatigue and damage caused by long-term carrying are avoided. However, it is not convenient to use the trolley to drag in crowded places. It is difficult to use the trolley function, which is easy to cause collision or inconvenience. At the same time, when the trolley is collected, due to the fixed plate at the bottom, it is inconvenient to take the trolley after it is collected, which increases the weight to a certain extent when traveling. Summary of the invention

[0004] The utility model overcomes the shortcomings of the prior art and provides a detachable portable backpack.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a detachable portable backpack, comprising: a backpack body, and a pull rod assembly arranged in cooperation with the backpack body.

[0006] Side storage bins are arranged on both sides of the backpack body, and a plurality of fixing rings are arranged above the two sides of the backpack body close to the side storage bins, and each of the fixing rings is cooperated with a tightening belt.

[0007] The pull rod assembly is arranged on the back side of the backpack body, and the pull rod assembly includes: a support rod, a pull rod installed in cooperation with the support rod, and a handle installed on the top of the pull rod; a plurality of fixed rods are installed in an array on the support rod, and one end of the fixed rod is connected to the support rod through a rotating unit; the pull rod is arranged as a telescopic structure, and the pull rod is divided into an upper rod and a lower rod.

[0008] In a preferred embodiment of the utility model, a plurality of grooves are symmetrically arranged on both sides of the support rod, the rotating unit is cooperatively arranged in the grooves, and the rotating unit includes a plurality of rotating bearings and a rotating shaft rod installed in each of the rotating bearings.

[0009] In a preferred embodiment of the utility model, a plurality of the rotating bearings are embedded and installed in the two side walls of the groove, and one end of the fixing rod is installed in cooperation with the rotating shaft rod, and the fixing rod and the rotating shaft rod are interference connected.

[0010] In a preferred embodiment of the utility model, a plurality of first Velcro strips are arranged on the back of the backpack body, a plurality of second Velcro strips are fixedly mounted on the pull rod, and the second Velcro strips are arranged in a long strip shape, and the first Velcro strips are arranged correspondingly to the second Velcro strips.

[0011] In a preferred embodiment of the utility model, a spring is symmetrically arranged on the bottom of the upper rod, a fixed bead is installed on one end of the spring, and a circular hole is symmetrically arranged on the top of the lower rod, and the size of the fixed bead is set corresponding to the size of the circular hole.

[0012] In a preferred embodiment of the utility model, a plurality of slide grooves are symmetrically arranged on the inner wall of the lower rod, the positions of the slide grooves correspond to the fixed beads, and the sizes of the slide grooves are matched with the sizes of the fixed beads.

[0013] In a preferred embodiment of the utility model, the bottom of the lower rod is rotatably connected to one end of the support rod, a fixing frame is fixedly installed on the bottom of the support rod, a rotating rod is fixedly installed in the fixing frame, one end of the support rod is installed on the rotating rod, and the support rod is interference connected with the rotating rod.

[0014] In a preferred embodiment of the utility model, a universal pulley is installed at one end of the fixing rod away from the rotating shaft rod, and the end of the fixing rod on which the universal pulley is installed is configured as a concave structure.

[0015] In a preferred embodiment of the utility model, a fixed shaft rod is arranged on the concave structure, the universal pulley is mounted on the fixed shaft rod in a cooperative manner, and the universal pulley is interference-connected with the fixed shaft rod.

[0016] In a preferred embodiment of the utility model, a plurality of fixing rings and tightening belts are arranged at the bottom of the backpack body.

[0017] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0018] The utility model provides a detachable portable backpack. By arranging a detachable pull rod assembly, the backpack is converted into a towable pull rod bag through the pull rod assembly, which is convenient for use when traveling for a long time or carrying heavy objects, reduces the burden on shoulders and back, and improves the convenience and comfort of travel. At the same time, the support rod, the pull rod, the rotating shaft rod and the rotating rod are used in coordination, so that the pull rod assembly can be stored and placed in a side storage compartment. It is fixed by a fixing ring and a tightening belt, making it more convenient to store in crowded places and freeing hands, thereby solving the problem of increased weight to a certain extent during travel due to the inconvenience of taking the pull rod after being collected due to the fixing plate arranged at the bottom.

[0019] The utility model makes it simple and quick to operate the pull rod when folding and unfolding by setting up the supporting rod, the fixing rod and the rotating unit structure. By setting up the pull rod with a telescopic structure, the upper rod and the lower rod are matched with the spring, the fixed beads and the round hole to ensure the stability and firmness of the pull rod when in use. At the same time, the backpack body and the pull rod are designed with Velcro, which makes it more convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0021] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0022] Figure 2 It is a front view of a preferred embodiment of the utility model;

[0023] Figure 3 It is a structural diagram of a tie rod assembly of a preferred embodiment of the utility model;

[0024] Figure 4 It is a structural diagram of a support rod of a preferred embodiment of the utility model;

[0025] Figure 5 It is an assembly diagram of a tie rod assembly of a preferred embodiment of the utility model;

[0026] In the figure: 1. Backpack body; 11. Side storage compartment; 12. Fixing ring; 13. Tightening belt; 2. Pull rod assembly; 21. Upper rod; 22. Lower rod; 23. Handle; 24. Support rod; 25. Groove; 26. Fixing rod; 27. Universal pulley; 28. Screw; 3. First Velcro; 4. Second Velcro; 5. Fixed bead; 6. Rotating rod; 7. Rotating bearing; 8. Rotating shaft; 9. Fixing frame; 10. Round hole. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0028] like Figure 1 and Figure 2 As shown, a detachable portable backpack includes: a backpack body 1, and a pull rod assembly 2 arranged in cooperation with the backpack body 1, side storage compartments 11 are arranged on both sides of the backpack body 1, and a plurality of fixing rings 12 are arranged above the side storage compartments 11 on both sides of the backpack body 1, and each fixing ring 12 is arranged in cooperation with a tightening belt 13.

[0029] like Figure 3 and Figure 4 As shown, the pull rod assembly 2 is arranged on the back of the backpack body 1, and the pull rod assembly 2 includes: a support rod 24, a pull rod installed in cooperation with the support rod 24, and a handle 23 installed on the top of the pull rod; a plurality of fixed rods 26 are installed in an array on the support rod 24, and one end of the fixed rod 26 is connected to the support rod 24 through a rotating unit; the pull rod is arranged as a telescopic structure, and the pull rod is divided into an upper rod 21 and a lower rod 22.

[0030] It should be noted that the top of the upper rod 21 is set as a concave structure, and a rotating rod is arranged inside the structure. The handle 23 is installed in cooperation with the rotating rod and is interference connected, and can be rotated ninety degrees to facilitate the collection of the handle 23, and the tightening belt 13 is recovered in the slot. The tightening belt 13 is elastic. When the backpack body 1 or the pull rod assembly 2 is fixed, the tightening belt 13 is pulled out from the slot and passed through the fixing ring 12, and the tightening belt 13 is fastened to the fixing ring 12.

[0031] A plurality of grooves 25 are symmetrically arranged on both sides of the support rod 24. The rotating unit is arranged in the groove 25. The rotating unit includes a plurality of rotating bearings 7 and a rotating shaft 8 installed in each rotating bearing 7. The plurality of rotating bearings 7 are embedded in the two side walls of the groove 25, and one end of the fixed rod 26 is installed in cooperation with the rotating shaft 8. The fixed rod 26 and the rotating shaft 8 are interference connected.

[0032] A plurality of first Velcro strips 3 are arranged on the back of the backpack body 1, and a plurality of second Velcro strips 4 are fixedly mounted on the pull rod, and the second Velcro strips 4 are arranged in a long strip shape, and the first Velcro strips 3 and the second Velcro strips 4 are arranged correspondingly; a spring is symmetrically arranged on the bottom of the upper rod 21, a fixed bead 5 is installed on one end of the spring, and a circular hole is symmetrically arranged on the top of the lower rod 22, and the size of the fixed bead 5 is arranged correspondingly to the size of the circular hole.

[0033] A plurality of slide grooves are symmetrically arranged on the inner wall of the lower rod 22, the positions of the slide grooves correspond to the fixed beads 5, and the sizes of the slide grooves are matched with the sizes of the fixed beads 5; the bottom of the lower rod 22 is rotatably connected to one end of the support rod 24, a fixing frame 9 is fixedly installed on the bottom of the support rod 24, a rotating rod 6 is fixedly installed in the fixing frame 9, one end of the support rod 24 is installed on the rotating rod 6, and the support rod 24 and the rotating rod 6 are interference connected.

[0034] It should be noted that a fixed base is provided at the other end of the fixing frame 9 connected to the support rod 24, the lower rod 22 is fixedly installed on the fixed base, and the fixing frame 9 is installed at both ends of the fixing frame 9 by screws to maintain the stability of the entire bracket.

[0035] By setting a pull rod with a telescopic structure, the upper rod 21 and the lower rod 22 are designed with a spring, a fixed bead 5 and a round hole to ensure the stability and firmness of the pull rod when in use. At the same time, the backpack body 1 and the pull rod are designed with Velcro, making it easier to disassemble and assemble.

[0036] A universal pulley 27 is installed at one end of the fixed rod 26 away from the rotating shaft rod 8, and the end of the fixed rod 26 on which the universal pulley 27 is installed is set as a concave structure, and a fixed shaft rod is set on the concave structure. The universal pulley 27 is installed on the fixed shaft rod, and the universal pulley is interference connected with the fixed shaft rod; a plurality of fixing rings 12 and tightening belts 13 are set at the bottom of the backpack body 1 to fix the backpack body 1, so that the backpack body 1 is fixed when the pull rod assembly 2 is used, and there will be no slippage.

[0037] By providing a detachable pull rod assembly 2, the backpack can be converted into a towable pull rod bag through the pull rod assembly 2, which is convenient for use when traveling for a long time or carrying heavy objects, reducing the burden on the shoulders and back, and improving the convenience and comfort of travel. At the same time, the support rod 24, the pull rod and the rotating shaft rod 8 and the rotating rod 6 are used in coordination, so that the pull rod assembly 2 can be stored and placed in the side storage compartment 11. Through the fixation of the fixing ring 12 and the tightening belt 13, it is more convenient to store in crowded places and free up hands, which solves the problem of increasing the weight to a certain extent when traveling due to the inconvenience of taking the pull rod after being collected due to the fixing plate set at the bottom.

[0038] When the utility model is used as a trolley backpack, the support rod 24 is set at 90 degrees with the pull rod, the upper rod 21 and the lower rod 22 of the pull rod are pulled apart, fixed to the round hole through the fixed beads 5 to keep the pull rod stable, and the pull rod assembly 2 is fixed to the back of the backpack body through the first Velcro 3 and the second Velcro 4, and the side storage compartments 11 inside the backpack body 1 and on both sides of the bag body are used to classify and store items.

[0039] When used as an ordinary backpack, the first Velcro 3 and the second Velcro 4 are opened, and the tightening belt 13 at the bottom of the backpack body 1 is removed to separate the backpack body 1 from the pull rod assembly 2. When the pull rod assembly 2 is stored, the pull rod, the support rod 24, and the fixing rod 26 are retracted by using the rotating shaft rod 8 and the fixing shaft rod, etc. Figure 5 As shown, when the upper rod 21 is retracted, the fixed bead 5 is pressed by two fingers to retract it into the lower rod 22 through the elasticity of the spring, and then the fixed bead is slid to the bottom end of the lower rod 22 through the cooperation of the slide groove. In this way, the upper rod 21 is retracted and can be placed in the side storage bin 11, and fixed by the fixing ring 12 and the tightening belt 13, freeing both hands and making travel convenient.

[0040] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A detachable portable backpack, comprising: A backpack body (1), and a pull rod assembly (2) arranged in cooperation with the backpack body (1), characterized in that: Side storage bins (11) are provided on both sides of the backpack body (1), and a plurality of fixing rings (12) are provided on both sides of the backpack body (1) above the side storage bins (11), and each fixing ring (12) is provided with a tightening belt (13); The pull rod assembly (2) is arranged on the back of the backpack body (1), and the pull rod assembly (2) includes: a support rod (24), a pull rod installed in cooperation with the support rod (24), and a handle (23) installed on the top of the pull rod; a plurality of fixed rods (26) are installed in an array on the support rod (24), and one end of the fixed rod (26) is connected to the support rod (24) through a rotating unit; the pull rod is arranged as a telescopic structure, and the pull rod is divided into an upper rod (21) and a lower rod (22).

2. A detachable portable backpack according to claim 1, characterized in that: A plurality of grooves (25) are symmetrically arranged on both sides of the support rod (24), the rotating unit is arranged in the groove (25), and the rotating unit includes a plurality of rotating bearings (7) and a rotating shaft (8) installed in each of the rotating bearings (7).

3. A detachable portable backpack according to claim 2, characterized in that: A plurality of the rotary bearings (7) are embedded in the two side walls of the groove (25), and one end of the fixed rod (26) is matched with the rotary shaft (8) and installed, and the fixed rod (26) and the rotary shaft (8) are interference-connected.

4. The detachable portable backpack according to claim 1, characterized in that: A plurality of first Velcro strips (3) are arranged on the back of the backpack body (1), a plurality of second Velcro strips (4) are fixedly mounted on the pull rod, and the second Velcro strips (4) are arranged in a long strip shape, and the first Velcro strips (3) and the second Velcro strips (4) are arranged correspondingly.

5. The detachable portable backpack according to claim 1, characterized in that: A spring is symmetrically arranged on the bottom of the upper rod (21), a fixed bead (5) is installed on one end of the spring, and a circular hole is symmetrically arranged on the top of the lower rod (22), and the size of the fixed bead (5) is set corresponding to the size of the circular hole.

6. A detachable portable backpack according to claim 5, characterized in that: A plurality of slide grooves are symmetrically arranged on the inner wall of the lower rod (22), the positions of the slide grooves correspond to the fixed beads (5), and the sizes of the slide grooves are matched with the sizes of the fixed beads (5).

7. The detachable portable backpack according to claim 1, characterized in that: The bottom of the lower rod (22) is rotatably connected to one end of the support rod (24); a fixing frame (9) is fixedly installed at the bottom of the support rod (24); a rotating rod (6) is fixedly installed inside the fixing frame (9); one end of the support rod (24) is installed on the rotating rod (6); and the support rod (24) and the rotating rod (6) are interference-connected.

8. The detachable portable backpack according to claim 2, characterized in that: A universal pulley (27) is installed at one end of the fixed rod (26) away from the rotating shaft rod (8), and the end of the fixed rod (26) on which the universal pulley (27) is installed is configured as a concave structure.

9. A detachable portable backpack according to claim 8, characterized in that: A fixed shaft rod is arranged on the concave structure, the universal pulley (27) is mounted on the fixed shaft rod in a matching manner, and the universal pulley is interference-connected with the fixed shaft rod.

10. The detachable portable backpack according to claim 1, characterized in that: A plurality of fixing rings (12) and tightening belts (13) are arranged at the bottom of the backpack body (1).

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