CN224165898U

CN224165898U - Anti-theft backpack capable of expanding volume

Info

Publication number: CN224165898U
Application number: CN202521237149.1U
Authority: CN
Inventors: 单荣江; 单利明; 吴恒兴
Original assignee: Huainan Liufeng Luggage Co ltd
Current assignee: Huainan Liufeng Luggage Co ltd
Priority date: 2025-06-17
Filing date: 2025-06-17
Publication date: 2026-04-28
Anticipated expiration: 2035-06-17

Abstract

The utility model relates to the technical field of backpack, and discloses a capacity-expandable anti-theft backpack, which comprises a backpack body, wherein the front surface of the backpack body is provided with a capacity-expanding component, and one side of the backpack body is provided with a locking component. This but dilatation theftproof backpack can be fixed this subassembly on the backpack body with the mode of sewing up through the setting of sewing up the cloth, the fastness has been increased, and the folding bag of setting can expand, can place certain article after the expansion, and the cooperation of connecting strip and snap-fastener is used can be fixed to the folding bag of folding state, can drive first bracing piece through the setting of axis of rotation and rotate, and the setting of hinge can make the second bracing piece rotate and expand, can conveniently hang some articles that have the string area like this, further increased the usage space of backpack body, the usage space of backpack body can greatly increased in the setting of this subassembly, and the practicality is improved.

Description

Anti-theft backpack capable of expanding volume

Technical Field

The utility model relates to the technical field of backpack, in particular to a capacity-expandable anti-theft backpack.

Background

The backpack is a general name of a backpack carried on the shoulders, and is generally classified into a computer backpack, a sports backpack, a military backpack and the like, and is mainly characterized in that articles are contained in the backpack, and the backpack is carried on the shoulders, so that hands are liberated, other activities such as taking files, using a mobile phone and the like are conveniently performed in the walking, sports and the like, and because the weight of the backpack is shared by the shoulders, the weight of the articles can be distributed on a body more uniformly than that of a single-shoulder backpack or a handbag, the pressure born by a single side or a part of the body is reduced, the fatigue is reduced, and the backpack is particularly suitable for being used when carrying heavier articles for a long time.

The utility model provides a but dilatation theftproof backpack has fused the upgrade type knapsack of dilatation design and theftproof function on traditional backpack basis, more laminating modern trip is to the demand of practicality and security, keep compact when being applicable to daily dress computer, file, dilatation dress clothing when going on duty shopping or short distance business trip, back theftproof design prevents that subway, public transit from taking off, but dilatation theftproof backpack has solved the painful point of traditional knapsack "fixed" of capacity and "potential safety hazard" through function fusion, especially be fit for needs frequent switching scene, such as frequent commute, travel, the user of motion, be the practical choice that compromise efficiency and safety.

The prior art publication No. CN204812592U provides an anti-theft backpack, the anti-theft backpack conceals the opening of the backpack on the inner side of the backpack, outsiders cannot easily open the backpack from the outer side of the backpack, the anti-theft performance is improved, the material of the backpack is improved and electromagnetic shielding fabrics are adopted, information is prevented from being read by various advanced card reading devices, personal information is prevented from being lost, an anti-theft hard shell is increased, and objects are prevented from being stolen due to the fact that the backpack is cut by a sharp tool.

The above-mentioned prior art, though, this theftproof both shoulders package is through hiding the opening setting of knapsack at the inboard of knapsack, just so outsider can't open the knapsack from the outside, and increased the theftproof hard shell moreover can prevent that the knapsack from being cut by sharp instrument and lead to article stolen, increased the theftproof nature, but the theftproof both shoulders package in this patent technology is when using, because its capacity that sets up is less, can't deal with the use of going out the commute for a long time according to the demand, inconvenient more article of placing just so greatly reduced the practicality, consequently, we need a but dilatation theftproof both shoulders package.

Disclosure of utility model

The utility model aims to provide the anti-theft backpack capable of expanding the volume, so that the problem that more articles are inconvenient to place due to the fact that the capacity of the anti-theft backpack in the prior art is small when the anti-theft backpack is used, long-time commuting use cannot be dealt with according to requirements, and the practicality is greatly reduced is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The anti-theft backpack capable of expanding comprises a backpack body, wherein one side of the backpack body is fixedly connected with a brace, the front surface of the backpack body is provided with an expanding component, and one side of the backpack body is provided with a locking component;

The expansion assembly comprises a piece of sewing cloth, wherein the front surface of the sewing cloth is fixedly connected with a connecting strip, one side of the connecting strip is provided with a snap fastener, the front surface of the sewing cloth is fixedly connected with a folding bag, the front surface of the sewing cloth is provided with a rotating shaft, the inside of the rotating shaft is rotationally connected with a first supporting rod, one side of the first supporting rod is provided with a hinge, and one side of the hinge is rotationally connected with a second supporting rod;

The locking assembly comprises a fixed block, the inner wall sliding connection of fixed block has the slide bar, and the regulating block is installed at the top of slide bar, the top of regulating block is provided with the holding rod, and the bottom fixedly connected with fixing bolt of holding rod, fixing bolt's outer wall threaded connection has the key seat.

Preferably, the front of the backpack body is provided with a small pocket, and one side of the backpack body is provided with a zipper.

Preferably, the sewing cloth and the snap fastener form a fixing structure through the connecting strip, the connecting strip is arranged between the sewing cloth and the snap fastener, and the connecting strip and the folding bag form the fixing structure through the snap fastener.

Preferably, the sewing cloth and the first support rods form a rotating structure through a rotating shaft, and the number of the first support rods is two.

Preferably, the first support rod and the second support rod form a rotating structure through a hinge, and the hinge is arranged between the first support rod and the second support rod.

Preferably, the fixed block forms a sliding structure with the adjusting block through a sliding rod, and one end of the sliding rod penetrates through the fixed block to be arranged.

Preferably, the holding rod and the bolt seat form a fixed structure through a fixed bolt, and the shape and the size of the outer wall of the fixed bolt are matched with those of the inner wall of the bolt seat.

Compared with the prior art, the utility model has the beneficial effects that the expandable anti-theft backpack,

The folding bag comprises a folding bag body, a first support rod, a second support rod, a connecting strip, a snap fastener, a folding bag, a rotating shaft, the first support rod, a hinge and the second support rod, wherein the folding bag body is provided with the sewing cloth, the folding bag body is provided with the connecting strip, the snap fastener, the folding bag is provided with the rotating shaft, the first support rod is driven to rotate through the arrangement of the rotating shaft, the hinge and the second support rod are arranged to enable the second support rod to rotate and expand, so that the folding bag body is convenient to hang and put some articles with hanging belts, the use space of the backpack body is further increased, the use space of the backpack body is greatly increased through the arrangement of the folding bag body, and the practicability is improved.

The second, the utility model has fixed block, slide bar, regulating block, holding rod, fixing bolt and bolt seat, through the slide and rotation of the slide bar in the fixed block, can adjust the direction and up and down position of the regulating block at will, and can align fixing bolt and bolt seat through adjusting, the holding rod can drive the fixing bolt to rotate synchronously manually, thus fix with bolt seat, in order to play a role of locking, the setting of the assembly can play a role of locking both sides of the knapsack, and can play a role of limiting the zipper, make it unable to pull open at will, have improved the theft-proof.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic illustration of the present utility model a schematic cross-sectional structure;

FIG. 3 is a schematic view of the snap fastener and the rotating shaft of the present utility model;

FIG. 4 is a schematic view of the structure of the adjusting block and the grip of the present utility model.

The backpack comprises a backpack body 1, a back strap 2, a capacity expansion component 3, a piece of 301, a piece of stitched cloth 302, a connecting strip 303, a snap fastener 304, a folding bag 305, a rotating shaft 306, a first supporting rod 307, a hinge 308, a second supporting rod 4, a small pocket 5, a zipper 6, a locking component 601, a fixing block 602, a sliding rod 603, an adjusting block 604, a holding rod 605, a fixing bolt 606 and a bolt seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, a volume-expandable anti-theft backpack comprises a backpack body 1, wherein one side of the backpack body 1 is fixedly connected with a strap 2, the front surface of the backpack body 1 is provided with a volume-expanding component 3, and one side of the backpack body 1 is provided with a locking component 6;

The capacity expansion assembly 3 comprises a piece of sewing cloth 301, wherein a connecting strip 302 is fixedly connected to the front surface of the sewing cloth 301, a snap fastener 303 is arranged on one side of the connecting strip 302, a folding bag 304 is fixedly connected to the front surface of the sewing cloth 301, a rotating shaft 305 is arranged on the front surface of the sewing cloth 301, a first supporting rod 306 is rotatably connected to the inside of the rotating shaft 305, a hinge 307 is arranged on one side of the first supporting rod 306, and a second supporting rod 308 is rotatably connected to one side of the hinge 307;

The locking assembly 6 comprises a fixed block 601, the inner wall of the fixed block 601 is connected with a sliding rod 602 in a sliding mode, an adjusting block 603 is arranged at the top of the sliding rod 602, a holding rod 604 is arranged at the top of the adjusting block 603, a fixing bolt 605 is fixedly connected to the bottom of the holding rod 604, and a bolt seat 606 is connected to the outer wall of the fixing bolt 605 in a threaded mode.

Through above-mentioned technical scheme, can fix this subassembly on backpack body 1 with the mode of sewing up through the setting of sewing up cloth 301, the fastness has been increased, and the folding bag 304 of setting can expand, can place certain article after the expansion, the capacity of backpack body 1 has been increased, and the cooperation of connecting strip 302 and snap fastener 303 uses can fix the folding bag 304 of folding state, make it can not expand at will, can drive first bracing piece 306 and rotate through the setting of axis of rotation 305, and the setting of hinge 307 can make second bracing piece 308 rotate and expand, can conveniently hang some articles that have the string like this, further increased the usage space of backpack body 1, the space of use of backpack body 1 can be greatly increased in the setting of this subassembly, the practicality has been improved.

Specifically, the front of backpack body 1 is provided with small-size pocket 4, and zip fastener 5 is installed to one side of backpack body 1.

Through above-mentioned technical scheme, the setting of small-size pocket 4 can make things convenient for personnel to place some portable's little article, can play the effect of categorised placing, and the setting of zip fastener 5 can realize opening and shutting of backpack body 1, plays preliminary theftproof effect.

Specifically, the stitched cloth 301 and the snap fastener 303 form a fixed structure by the connecting bar 302, and the connecting bar 302 is installed between the stitched cloth 301 and the snap fastener 303, and the connecting bar 302 and the folding pocket 304 form a fixed structure by the snap fastener 303.

Through above-mentioned technical scheme, can fix this subassembly on backpack body 1 with the mode of sewing up through the setting of sewing up cloth 301, increased the fastness, and the folding bag 304 of setting can expand, can place certain article after the expansion, has increased the capacity of backpack body 1, and the cooperation of connecting strip 302 and snap fastener 303 is used can fix the folding bag 304 of folding state, makes it can not expand at will.

Specifically, the stitched fabric 301 and the first support rods 306 form a rotating structure through the rotating shaft 305, and the number of the first support rods 306 is two.

Through the above technical scheme, the first supporting rod 306 can be driven to rotate through the rotation of the rotating shaft 305, so that the first supporting rod 306 can be transversely unfolded, a person can conveniently hang some articles with hanging bags, and the use space is increased.

Specifically, the first support bar 306 and the second support bar 308 form a rotating structure through a hinge 307, and the hinge 307 is disposed between the first support bar 306 and the second support bar 308.

Through the above technical scheme, the second supporting rod 308 can be driven to rotate and unfold through the rotation of the hinge 307, so that the hanging length can be further increased, and the practicability is improved.

Specifically, the fixed block 601 forms a sliding structure with the adjusting block 603 through the sliding rod 602, and one end of the sliding rod 602 penetrates through the fixed block 601.

Through the above technical scheme, the sliding rod 602 can slide up and down and rotate on the inner wall of the fixed block 601, so that the adjusting block 603 can be driven to synchronously lift and rotate, and the position of the adjusting block 603 can be adjusted, so that the fixing bolt 605 is aligned with the bolt seat 606.

Specifically, the holding rod 604 and the bolt seat 606 form a fixed structure through the fixing bolt 605, and the shape and the size of the outer wall of the fixing bolt 605 are matched with those of the inner wall of the bolt seat 606.

Through the technical scheme, after the fixing bolt 605 is aligned with the screw groove formed in the bolt seat 606, the holding rod 604 can be rotated, so that the fixing bolt 605 is driven to rotate, and the fixing bolt is fixed with the bolt seat 606, so that the locking effect is achieved.

When the expandable anti-theft backpack is used, firstly, after important articles are put into the backpack body 1 by personnel, the zipper 5 is pulled to be closed, then the adjusting block 603 is rotated by hand, the adjusting block 603 is enabled to slide and rotate through the arrangement of the sliding rod 602, the fixing bolt 605 is aligned with a screw groove formed in the bolt seat 606, the holding rod 604 is rotated to drive the fixing bolt 605 to rotate, the fixing bolt 605 is enabled to be screwed with the bolt seat 606 to lock, if more articles need to be placed, the snap fastener 303 can be opened, the folding bag 304 is unfolded, the use space can be increased, some idle articles can be placed, the first supporting rod 306 is rotated, the first supporting rod 306 is driven to rotate through the arrangement of the rotating shaft 305, then the second supporting rod 308 is driven to rotate and be unfolded through the rotation of the hinge 307, and then some articles with hanging bags can be hung.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The anti-theft backpack capable of expanding comprises a backpack body (1) and is characterized in that one side of the backpack body (1) is fixedly connected with a brace (2), the front side of the backpack body (1) is provided with an expanding component (3), and one side of the backpack body (1) is provided with a locking component (6);

The expansion assembly (3) comprises a piece of sewing cloth (301), wherein the front surface of the sewing cloth (301) is fixedly connected with a connecting strip (302), one side of the connecting strip (302) is provided with a snap fastener (303), the front surface of the sewing cloth (301) is fixedly connected with a folding bag (304), the front surface of the sewing cloth (301) is provided with a rotating shaft (305), the inside of the rotating shaft (305) is rotationally connected with a first supporting rod (306), one side of the first supporting rod (306) is provided with a hinge (307), and one side of the hinge (307) is rotationally connected with a second supporting rod (308);

Locking subassembly (6) are including fixed block (601), the inner wall sliding connection of fixed block (601) has slide bar (602), and adjusting block (603) are installed at the top of slide bar (602), the top of adjusting block (603) is provided with holding rod (604), and the bottom fixedly connected with fixing bolt (605) of holding rod (604), the outer wall threaded connection of fixing bolt (605) has bolt seat (606).

2. The anti-theft backpack capable of expanding volume according to claim 1 is characterized in that a small pocket (4) is arranged on the front face of the backpack body (1), and a zipper (5) is arranged on one side of the backpack body (1).

3. The anti-theft backpack with capacity expansion according to claim 1, wherein the sewing cloth (301) and the snap fastener (303) form a fixed structure through a connecting strip (302), the connecting strip (302) is arranged between the sewing cloth (301) and the snap fastener (303), and the connecting strip (302) and the folding bag (304) form a fixed structure through the snap fastener (303).

4. The anti-theft backpack with capacity expansion according to claim 1, wherein the sewing cloth (301) and the first support rods (306) form a rotating structure through a rotating shaft (305), and the number of the first support rods (306) is two.

5. The anti-theft backpack with capacity expansion according to claim 1, wherein the first supporting rod (306) and the second supporting rod (308) form a rotating structure through a hinge (307), and the hinge (307) is arranged between the first supporting rod (306) and the second supporting rod (308).

6. The anti-theft backpack capable of expanding according to claim 1, wherein the fixed block (601) and the adjusting block (603) form a sliding structure through a sliding rod (602), and one end of the sliding rod (602) penetrates through the fixed block (601).

7. The expandable anti-theft backpack of claim 1, wherein the holding rod (604) and the bolt seat (606) form a fixed structure through a fixed bolt (605), and the shape and the size of the outer wall of the fixed bolt (605) are matched with those of the inner wall of the bolt seat (606).