CN215014365U

CN215014365U - Telescopic draw-bar backpack

Info

Publication number: CN215014365U
Application number: CN202121665530.XU
Authority: CN
Inventors: 邓印福
Original assignee: Hebei Wanda Luggage Products Co ltd
Current assignee: Hebei Wanda Luggage Products Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-07
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a collapsible pull rod knapsack relates to knapsack technical field, including main part, braces, its back both sides of installing in the main part, the gyro wheel is installed to the bottom inboard of braces, and the inboard of gyro wheel is connected with the adapter sleeve, the bolt hole has all been seted up to adapter sleeve's outer wall both sides, and the inside in bolt hole runs through there is the bolt pole, the middle part of bolt pole is connected with the slide bar. The utility model discloses in, constitute under the effect of rotating-structure's bolt pole through pivot and slide bar for the operator drags the knapsack during operation, through pressing control button downwards, simultaneously to carrying handle and slide bar, the bolt pole of being convenient for carries out the fixed work in fixed sleeving's bolt hole, and use through the bolt hole, adjust the length of slide bar at will according to its height, be favorable to promoting and drag the work efficiency, avoid the pull rod knapsack of traditional formula, its pull rod regulative mode is fixed three fender, some people can't be suitable for its three fender lengths.

Description

Telescopic draw-bar backpack

Technical Field

The utility model relates to a knapsack technical field especially relates to a collapsible pull rod knapsack.

Background

The backpack refers to a general name of a bag carried on the back when going out or on the march, the materials are diversified, real leather, plastic materials, terylene, canvas, nylon, cotton, hemp and other texture bags draw fashion trends, meanwhile, in the period of more and more branding individuality, various styles such as conciseness, vintage, cartoon and the like also meet the requirement of fashion people on expanding individuality from different sides, the style of the bag is also expanded from the traditional business bag, schoolbag, traveling bag to pen bag, wallet, sachet and the like, pull rod pieces are arranged on a plurality of backpack bags at present, and when carrying more heavy articles, the pull rod towing belt can be used for replacing the carrying so as to lighten the walking.

The existing retractable pull rod backpack is difficult to clean because other dirty objects such as dust on the ground are easily stained when being towed for use, and the dust at the bottom is easily attached to clothes of a user when the backpack is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current collapsible pull rod knapsack, when dragging the use, be infected with other dirty things such as the dust on ground easily, difficult clearance, and when using as the backpack, the bottom dust is attached to the shortcoming on user's the clothing easily, and the collapsible pull rod knapsack that proposes.

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

a collapsible draw bar backpack comprising:

a main body;

the shoulder strap is installed on two sides of the back of the main body, rollers are installed on the inner side of the bottom of the shoulder strap, the inner sides of the rollers are connected with fixing sleeves, bolt holes are formed in two sides of the outer wall of each fixing sleeve, a bolt rod penetrates through the inside of each bolt hole, the middle of each bolt rod is connected with a slide rod, a control button is installed at the top of each slide rod, and two sides of the bottom of each control button are connected with first springs;

the sliding sleeve is installed outside the sliding rod, a handle is installed at the top of the sliding sleeve, two sides of the bottom of the sliding sleeve are connected with second springs, an accommodating groove is embedded in one side of the main body, a winding mechanism is installed inside the accommodating groove, a rotating block is arranged inside the winding mechanism, a middle shaft is installed on the inner side of the rotating block, one side of the top of the middle shaft is connected with a reset spring, and two ends of the outer wall of the middle shaft are connected with second hidden buttons;

hinge, it installs in the one side of accomodating the groove, one side of hinge is connected with the door plant, and the inboard of door plant has seted up the bar opening, the inboard of second hidden discount is connected with elastic cloth, and elastic cloth's both sides have all seted up the button hole, the circular arc hole has all been seted up to elastic cloth's bottom both sides, and elastic cloth's bottom installs the bungee, the magic subsides are installed to one side of accomodating the groove, first hidden discount is installed to back one side of main part, and the bottom of main part installs the loading board, long couple is installed at the top of accomodating the groove.

Preferably, the bolt rod and the slide rod form a rotating structure through a rotating shaft, and the outer wall structure of the bolt rod is matched with the inner wall structure of the bolt hole.

Preferably, the control button and the sliding rod form an elastic structure through a first spring, and the control button is movably connected with the handle.

Preferably, the middle shaft and the accommodating groove form a rotating structure through a rotating block, and the middle shaft and the second hidden button are fixedly connected.

Preferably, the long hook and the main body form a movable structure through a rotating shaft, and the long hook is distributed on one side of the main body in parallel.

Preferably, the elastic rope is connected with the elastic cloth through knitting to form a detachable structure, and the maximum stretching length of the elastic rope is equal to the maximum stretching length of the elastic cloth.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, constitute under the effect of rotating-structure's bolt pole through pivot and slide bar for the operator drags the knapsack during operation, through pressing control button downwards, simultaneously to carrying handle and slide bar, the bolt pole of being convenient for carries out the fixed work in fixed sleeving's bolt hole, and use through the bolt hole, adjust the length of slide bar at will according to its height, be favorable to promoting and drag the work efficiency, avoid the pull rod knapsack of traditional formula, its pull rod regulative mode is fixed three fender, some people can't be suitable for its three fender lengths.

2. The utility model discloses in, constitute down the centraxonial effect of revolution mechanic through rotatory piece and storage groove for the operator drags the knapsack during operation, through dragging the epaxial elasticity cloth of connecting in, wraps up the operation bottom braces and knapsack, is favorable to carrying out waterproof dustproof work to main part inside, avoids traditional pull rod knapsack to drag the line on ground, and its back and braces are infected with the dust, are difficult to the clearance.

3. The utility model discloses in, constitute under the effect of active structure's long couple through pivot and main part for the operator accomplishes and drags the line during operation, when needing to open the door plant and clear up the work to stretch cloth, expand the work to the door plant through rotating long couple, and, rotatory long couple can hang the object operation to it with the door plant closed back, is favorable to increasing the practicality of long couple.

Drawings

FIG. 1 is a schematic view of the internal structure of the back side of the present invention;

FIG. 2 is a schematic view of the structure of the middle side of the present invention;

fig. 3 is a schematic view of the structure of the elastic cloth of the present invention.

Illustration of the drawings:

1. a main body; 2. a harness; 3. a first hidden button; 4. a roller; 5. fixing the sleeve; 6. a winding mechanism; 601. rotating the block; 602. a return spring; 603. a middle shaft; 604. a second hidden button; 605. a strip-shaped opening; 606. a door panel; 607. a hinge; 7. a pin hole; 8. a latch rod; 9. a sliding sleeve; 10. a slide bar; 11. a first spring; 12. a handle; 13. a control button; 14. a second spring; 15. a long hook; 16. elastic cloth; 17. a carrier plate; 18. magic tape; 19. a button hole; 20. a circular arc hole; 21. a bungee cord; 22. a receiving groove.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a retractable pull rod backpack comprises a main body 1, straps 2 installed at both sides of the back of the main body 1, rollers 4 installed at the inner side of the bottom of the straps 2 for smooth sliding of the backpack, fixing sleeves 5 connected to the inner sides of the rollers 4, pin holes 7 formed at both sides of the outer wall of the fixing sleeves 5, pin rods 8 penetrating through the pin holes 7, slide rods 10 connected to the middle of the pin rods 8, the pin rods 8 forming a rotation structure with the slide rods 10 through a rotation shaft, and the outer wall structure of the pin rods 8 matching with the inner wall structure of the pin holes 7, so that when an operator drags the backpack, the operator can pull the backpack by pressing a control button 13 downward and pulling up a handle 12 and the slide rods 10 at the same time to facilitate the fixing work of the pin rods 8 in the pin holes 7 of the fixing sleeves 5, and use the pin holes 7, the length of the sliding rod 10 can be adjusted at will according to the height of the user, the dragging work efficiency can be improved, the traditional pull rod backpack can be avoided, the pull rod adjusting mode is fixed three-gear, part of people can not adapt to the length of the three-gear, the top of the sliding rod 10 is provided with the control button 13, two sides of the bottom of the control button 13 are connected with the first springs 11, the control button 13 and the sliding rod 10 form an elastic structure through the first springs 11, the control button 13 is movably connected with the handle 12, the operator can conveniently and smoothly stretch and retract the pull rod, the length of the pull rod can be flexibly changed according to the height and the terrain through the action of the bolt holes 7 of the fixed sleeve 5, the comfort level of the operator using the pull rod backpack can be improved, the sliding sleeve 9 is arranged outside the sliding rod 10, the handle 12 is arranged at the top of the sliding sleeve 9, and two sides of the bottom of the sliding sleeve 9 are both connected with the second springs 14, the containing groove 22 is embedded on one side of the main body 1, the rolling mechanism 6 is installed inside the containing groove 22, the rotating block 601 is arranged inside the rolling mechanism 6, the middle shaft 603 is installed on the inner side of the rotating block 601, the reset spring 602 is connected on one side of the top of the middle shaft 603, the second hidden button 604 is connected on both ends of the outer wall of the middle shaft 603, the middle shaft 603 and the containing groove 22 form a rotating structure through the rotating block 601, and the middle shaft 603 and the second hidden button 604 are fixedly connected, so that when an operator drags the backpack, the backpack 2 and the bottom of the backpack are wrapped by pulling the elastic cloth 16 connected on the middle shaft 603, the waterproof and dustproof work inside the main body 1 is facilitated, the back and the backpack 2 are prevented from being polluted by dust and difficult to clean, the hinge 607 is installed on one side of the containing groove 22, one side of the door panel 607 is connected with 606, the inner side of the door panel 606 is provided with a strip-shaped opening 605, the inner side of the second hidden button 604 is connected with the elastic cloth 16, the surface material of the elastic cloth 16 is PVC coating oxford, the surface of the elastic cloth has waterproof, dustproof and wear-resistant characteristics, the inner side is provided with common fabric and magic tape 18 with adhesion, both sides of the elastic cloth 16 are provided with button holes 19, the elastic cloth 16 can be conveniently detached by an operator for cleaning, the attractive appearance and practicability of dragging work after being promoted are facilitated, both sides of the bottom of the elastic cloth 16 are provided with arc holes 20, the bottom of the elastic cloth 16 is provided with a bungee cord 21, the bungee cord 21 is connected with the elastic cloth 16 through knitting to form a detachable structure, the maximum stretching length of the bungee cord 21 is equal to the maximum stretching length of the elastic cloth 16, the operator can conveniently stretch the bungee cord 21 at the bottom of the elastic cloth 16 while shielding the back of the backpack for shielding work, and can carry out the bottom of the main body 1 for carrying out the holding operation, the roller 4 is exposed through the circular arc hole 20, which is beneficial to waterproof, dustproof and dustproof work of the bottom and the back of the backpack and improves the working efficiency of the towing of the backpack, the magic tape 18 is arranged at one side of the accommodating groove 22, which is convenient for an operator to stick the elastic cloth 16 at one side on the magic tape 18 when converting the pull rod backpack into a backpack, which is beneficial to flexibly converting the backpack state of the user, the first hidden button 3 is arranged at one side of the back of the main body 1, the bearing plate 17 is arranged at the bottom of the main body 1, which is convenient for bearing the articles in the main body 1, and avoids the overweight of the articles, which leads the fabric at the bottom to be sunken downwards to be tightly stuck with the ground, which affects the smooth proceeding of the towing work of the backpack, the long hook 15 is arranged at the top of the accommodating groove 22, the long hook 15 forms a movable structure with the main body 1 through a rotating shaft, and the long hooks 15 are distributed at one side of the main body 1 in parallel, so that the operator finishes the towing work, when the door panel 606 needs to be opened to clean the elastic cloth 16, the door panel 606 is unfolded by rotating the long hook 15, and the door panel 606 can be hung after being closed by rotating the long hook 15, so that the practicability of the long hook 15 is improved.

The working principle is as follows: when the backpack is used, firstly, an operator fills the articles in the main body 1, and the magic tape 18 on one side of the main body 1 is used for tearing off the elastic cloth 16, so that the elastic cloth 16 extends to one side of the back surface of the main body 1 through the winding mechanism 6, the button hole 19 on one side is connected with the first hidden button 3 for operation, then the bottom of the main body 1 is pocketed through pulling the elastic rope 21 at the bottom of the elastic cloth 16, the roller 4 is exposed through the arc hole 20, and then the control button 13 is pressed downwards and the handle 12 and the slide bar 10 are lifted upwards simultaneously for operation, so that the operator can fix the rod 8 in the bolt hole 7 of the fixed sleeve 5 according to the comfortable towing height of the operator, and the backpack can be closed by the long hook 15 and hang the articles on one side, the elastic cloth 16 can be taken by a user at any time, and finally, the elastic cloth 16 can be detached to facilitate the cleaning work after the dragging work is finished under the action of the second hidden buttons 604 at the two ends of the center shaft 603.

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

1. A collapsible tie-bar backpack, comprising:

a main body (1);

the lifting device comprises a main body (1), braces (2) and a first spring (11), wherein the braces (2) are installed on two sides of the back of the main body (1), idler wheels (4) are installed on the inner side of the bottom of each brace (2), fixing sleeves (5) are connected to the inner sides of the idler wheels (4), bolt holes (7) are formed in two sides of the outer wall of each fixing sleeve (5), bolt rods (8) penetrate through the bolt holes (7), a sliding rod (10) is connected to the middle of each bolt rod (8), a control button (13) is installed at the top of each sliding rod (10), and first springs (11) are connected to two sides of the bottom of each control button (13);

the sliding sleeve (9) is installed outside the sliding rod (10), a handle (12) is installed at the top of the sliding sleeve (9), second springs (14) are connected to two sides of the bottom of the sliding sleeve (9), a containing groove (22) is inlaid in one side of the main body (1), a winding mechanism (6) is installed inside the containing groove (22), a rotating block (601) is arranged inside the winding mechanism (6), a middle shaft (603) is installed on the inner side of the rotating block (601), a return spring (602) is connected to one side of the top of the middle shaft (603), and second hidden buttons (604) are connected to two ends of the outer wall of the middle shaft (603);

hinge (607), it installs the one side of accomodating groove (22), one side of hinge (607) is connected with door plant (606), and the inboard of door plant (606) has seted up bar opening (605), the inboard of second hidden discount (604) is connected with stretch cloth (16), and the both sides of stretch cloth (16) have all seted up button hole (19), circular arc hole (20) have all been seted up to the bottom both sides of stretch cloth (16), and stretch cloth (16) bottom install bungee (21), magic subsides (18) are installed to one side of accomodating groove (22), first hidden discount (3) are installed to back one side of main part (1), and the bottom of main part (1) installs loading board (17), long couple (15) are installed at the top of accomodating groove (22).

2. The retractable tie-bar backpack of claim 1, wherein: the plug rod (8) and the slide rod (10) form a rotating structure through a rotating shaft, and the outer wall structure of the plug rod (8) is matched with the inner wall structure of the plug hole (7).

3. The retractable tie-bar backpack of claim 1, wherein: the control button (13) and the sliding rod (10) form an elastic structure through the first spring (11), and the control button (13) is movably connected with the handle (12).

4. The retractable tie-bar backpack of claim 1, wherein: the middle shaft (603) and the accommodating groove (22) form a rotating structure through the rotating block (601), and the middle shaft (603) is fixedly connected with the second hidden buckle (604).

5. The retractable tie-bar backpack of claim 1, wherein: the long hook (15) and the main body (1) form a movable structure through a rotating shaft, and the long hook (15) is distributed on one side of the main body (1) in parallel.

6. The retractable tie-bar backpack of claim 1, wherein: the elastic rope (21) is connected with the elastic cloth (16) through knitting to form a detachable structure, and the stretching maximum length of the elastic rope (21) is equal to that of the elastic cloth (16).