CN216796828U - Dirty-resistant anti-theft backpack - Google Patents

Abstract

The utility model discloses a dirty-resistant anti-theft backpack, which comprises a backpack body and a zipper, wherein the zipper is provided with a zipper head in a sliding manner, the zipper head is rotatably provided with a pull ring, the backpack body is provided with an anti-theft block, the anti-theft block is provided with a placing opening for embedding the pull ring, a first anti-theft buckle, a second anti-theft buckle and a third anti-theft buckle for locking the pull ring are arranged on the placing opening, the first anti-theft device, the second anti-theft device and the third anti-theft device for unlocking the first anti-theft buckle, the second anti-theft buckle and the third anti-theft buckle are arranged on the anti-theft block, the pull ring on the zipper head is locked by the first anti-theft buckle, the second anti-theft buckle and the third anti-theft buckle on the anti-theft block through the arrangement of the anti-theft block, and the unlocking pull ring needs three anti-theft devices to act simultaneously, so that the probability that the zipper is pulled open by a pickpocket is greatly reduced, and the property of people is effectively protected.

Description

Dirty-resistant anti-theft backpack

Technical Field

The utility model discloses a dirty-resistant anti-theft backpack, and belongs to the technical field of backpacks.

Background

The backpack refers to a bag carried on the back, and the materials of the backpack are diversified, and the fashionable trend is led by bags made of genuine leather, plastic materials, terylene, canvas, nylon, cotton, hemp and the like. In the period of more and more listing personalities, various styles such as conciseness, antique and cartoon also cater to the requirement of fashion people for developing personalities from different sides. The style of the case is also expanded from the traditional business bag, the schoolbag and the traveling bag to the pen bag, the change purse, the small perfume bag and the like.

In life, when going out, someone can choose to take the backpack and put valuables such as wallets and the like into the backpack, and the zipper is easily unzipped by a thief when the person is unnoticed on a bus to steal because the traditional backpack has no anti-theft performance and only needs to unzip for stealing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems and provide a dirty-resistant anti-theft backpack.

The anti-pollution anti-theft backpack comprises a backpack body and a zipper, wherein a zipper head is arranged on the zipper in a sliding manner, a pull ring is rotatably arranged on the zipper head, an anti-theft block is arranged on the backpack body, a placing opening for embedding the pull ring is formed in the anti-theft block, a first anti-theft buckle, a second anti-theft buckle and a third anti-theft buckle for locking the pull ring are arranged on the placing opening, and a first anti-theft device, a second anti-theft device and a third anti-theft device for unlocking the first anti-theft buckle, the second anti-theft buckle and the third anti-theft buckle are arranged on the anti-theft block.

Through adopting above-mentioned technical scheme, the zipper head that draws on the zip fastener is provided with the pull ring, the pull ring can imbed placing the mouth in the theftproof piece of knapsack body one side, be provided with first theftproof knot on the theftproof piece, second theftproof knot and third theftproof are detained and are blocked the pull ring, make the pull ring unable by the pulling, prevent in the intensive place of flow of people, it steals to be stolen to pull open the zip fastener by the hired person, when needs pull ring open, be provided with first anti-theft device, second anti-theft device and third theftproof device come to carry out the unblock to three theftproof knot.

Preferably, the first anti-theft device comprises a first anti-theft button, a first torsion spring and a first spring, the first anti-theft button is rotatably connected with the first anti-theft buckle, the first torsion spring is located between the first anti-theft button and the first anti-theft buckle, and the first spring is located between the first anti-theft button and the anti-theft block.

Through adopting above-mentioned technical scheme, first anti-theft device includes first theftproof button, first torsional spring and first spring, one end and first theftproof button one end swivelling joint are detained in first theftproof, and be provided with first torsional spring, get into when placing the mouth at the pull ring, first theftproof is detained and is restoreed under the effect of first torsional spring and pins the pull ring, first spring is located between first theftproof button and the theftproof piece, when promoting first theftproof button, first theftproof is detained and the pull ring dislocation, the pull ring can be taken out, first spring makes first theftproof button restore to the throne.

Preferably, the second anti-theft device comprises a second anti-theft button, a second torsion spring and a second spring, the second anti-theft button is rotatably connected with the second anti-theft buckle, the second torsion spring is located between the second anti-theft button and the second anti-theft buckle, and the second spring is located between the second anti-theft button and the anti-theft block.

Through adopting above-mentioned technical scheme, second anti-theft device includes second theftproof button, second torsional spring and second spring, and second theftproof is detained and second theftproof button swivelling joint, and the pull ring gets into places the mouth, promotes the second theftproof and detains, and the second theftproof is detained and is reset under the effect of second torsional spring, and the second spring is located between second theftproof button and the theftproof piece, can reset the second theftproof button when promoting the second theftproof button.

Preferably, the device is stolen to third prevention includes stay cord, third torsional spring, third spring and slider, the third is stolen to be detained with slider swivelling joint, the third torsional spring is located the third and is stolen to be detained and between the slider, the third spring is located between slider and the theftproof piece, stay cord one end is connected with the slider, and the other end is located this external connection of knapsack and is provided with the ring.

Through adopting above-mentioned technical scheme, the device is stolen to third prevention includes the stay cord, the third torsional spring, third spring and slider, the third prevention is stolen detains and slider swivelling joint, be provided with the third torsional spring between and, the third torsional spring can make the pull ring promote the third prevention of burglary to detain later the theftproof and detain, stay cord one end is connected with the slider, the other end extends to this external shoulder belt of knapsack and is provided with the ring, the pulling ring drives stay cord pulling slider, the third prevention is stolen detains and is misplaced with the pull ring mutually, make the pull ring can be taken out, be provided with the third spring between slider and the theftproof piece, the third spring can be at the slider that resets after being promoted.

Preferably, a first limiting block used for limiting the position of the first anti-theft button is fixedly arranged on the first anti-theft button, and a second limiting block used for limiting the position of the second anti-theft button is fixedly arranged on the second anti-theft button.

Through adopting above-mentioned technical scheme, be provided with first stopper on first theftproof button, restrict the position of first theftproof button, also be provided with the second stopper on second theftproof button, the position of second theftproof button is restricted to the second stopper.

Preferably, a pushing block used for pushing the pull ring is arranged in the placing opening, and a return spring is arranged between the pushing block and the anti-theft block.

Through adopting above-mentioned technical scheme, be provided with the ejector pad that can be promoted by reset spring in placing the mouth, when the pull ring loses the restriction that first theftproof was detained, second theftproof is detained and third theftproof is detained, can be popped out by the ejector pad.

Preferably, the backpack body is made of gray cotton fiber.

Through adopting above-mentioned technical scheme, the knapsack body that cotton silk made has high strength, high wear resistance, high anti-chemical and good resistance to deformation, advantages such as ageing resistance, and grey has dirt-resistant effect.

Compared with the prior art, the utility model has the beneficial effects that: the zipper head on the zipper is provided with a pull ring, the pull ring can be embedded into a placing opening in the anti-theft block on one side of the backpack body, the first anti-theft buckle, the second anti-theft buckle and the third anti-theft buckle are arranged on the anti-theft block to lock the pull ring, the pull ring can not be pulled, the zipper is prevented from being stolen by a thief in a place with dense flow of people, when the pull ring is pulled open by a person, the first anti-theft device is arranged, and the second anti-theft device and the third anti-theft device unlock the three anti-theft buckles.

Drawings

FIG. 1 is a schematic view of a dirty-resistant anti-theft backpack according to the present invention;

FIG. 2 is a schematic structural diagram of an anti-theft block of the anti-contamination anti-theft backpack of the present invention;

FIG. 3 is a first cross-sectional view of the anti-theft block of the anti-contamination anti-theft backpack of the present invention;

fig. 4 is a second cross-sectional view of the anti-theft block of the anti-dirt anti-theft backpack of the present invention.

Reference numerals: 1. a backpack body; 2. a zipper; 3. a slider of a zipper fastener; 4. a pull ring; 5. an anti-theft block; 6. a placement port; 7. a first anti-theft buckle; 8. a second anti-theft buckle; 9. third theft prevention buckle; 10. a first anti-theft button; 11. A first torsion spring; 12. a first spring; 13. a second anti-theft button; 14. a second torsion spring; 15. a second spring; 16. pulling a rope; 17. a third torsion spring; 18. a third spring; 19. a slider; 20. a circular ring; 21. a first stopper; 22. a second limiting block; 23. a push block; 24. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-4, a dirty-proof anti-theft backpack comprises a backpack body 1 and a zipper 2, wherein the zipper 2 is positioned on the backpack body 1, the zipper 2 is provided with a zipper puller 3 capable of being pulled, the zipper puller 3 is provided with a pull ring 4 capable of rotating, the pull ring 4 can be embedded into a placing opening 6 on an anti-theft block 5 on one side of the backpack body 1, the anti-theft block 5 is provided with a first anti-theft buckle 7, a second anti-theft buckle 8 and a third anti-theft buckle, the first anti-theft buckle 7, the second anti-theft buckle 8 and the third anti-theft buckle 9 can lock the pull ring 4, so that the zipper 2 cannot be pulled, and objects stolen by pulling the zipper 2 are prevented from being stolen by a thief in a place with large flow of people, thereby effectively avoiding the loss of valuables, when the backpack needs to be opened after the backpack returns to a safe place, a first anti-theft device is arranged in the anti-theft buckle, and a second anti-theft device and a third anti-theft device are arranged in the anti-theft device to unlock the first anti-theft buckle 7, the zipper 2, A second theft-proof buckle 8 and a third theft-proof buckle 9.

The first anti-theft device comprises a first anti-theft button 10, a first torsion spring 11 and a first spring 12, the first anti-theft buckle 7 is rotatably connected with the first anti-theft button 10, when the pull ring 4 enters the placing opening 6, the first anti-theft buckle 7 is pushed to enter, the first torsion spring 11 can enable the first anti-theft buckle 7 to reset and lock the pull ring 4, one end of the first anti-theft button 10, which is far away from the first anti-theft buckle 7, extends out of the anti-theft block 5 and can push the first anti-theft button 10, the first anti-theft buckle 7 and the pull ring 4 are staggered, the pull ring 4 can be taken out, under the action of the first spring 12, the first torsion spring 11 can push the first anti-theft buckle 7 to reset, the second anti-theft device comprises a second anti-theft button 13, a second torsion spring 14 and a second spring 15, when the pull ring 4 enters the placing opening 6, the second anti-theft buckle 8 resets and locks the pull ring 4 under the action of the second torsion spring 14 to push the second anti-theft button 13, the second spring 15 is compressed to make the second anti-theft buckle 8 dislocate with the pull ring 4, when the compressed second spring 15 loses the thrust of the second anti-theft button 13, the second anti-theft button 13 can be pushed to reset, the first anti-theft button 10 and the second anti-theft button 13 are respectively provided with a first limiting block 21 and a second limiting block 22 for limiting the positions of the first anti-theft button 10 and the second anti-theft button 13, the third anti-theft device comprises a pull rope 16, a third torsion spring 17, a third spring 18 and a slide block 19, the third torsion spring 17 can reset the third anti-theft buckle 9 when the pull ring 4 pushes the third anti-theft buckle 9, one end of the pull rope 16 is connected with the slide block 19, the pull rope 16 is pulled, the slide block 19 is driven to compress the third spring 18, the third anti-theft buckle 9 connected with the slide block 19 is dislocated with the pull ring 4 to make the pull ring 4 be taken out, the compressed third spring 18 resets the slide block 19, one end of the pull rope 16 far away from the sliding block 19 is located on a shoulder strap of the backpack body 1, and is provided with a ring 20, in a first anti-theft device, a second anti-theft device and a third anti-theft device exist, the first anti-theft button 10 must be pressed simultaneously when the pull ring 4 needs to be unlocked, the second anti-theft button 13 and the pulling ring 20 are arranged, the first anti-theft button 10 and the second anti-theft button 13 are symmetrically arranged, one hand is required to be pressed and not placed, the other hand removes the pulling ring 20, the difficulty of unlocking the pull ring 4 is increased, the risk when the zipper 2 is pulled by a pickpocket is reduced, the ring 20 is located on the shoulder strap of the backpack body 1, the discovery probability that the pickpocket is found is increased when the pickpocket is removed, and the safety is improved more significantly.

Be provided with ejector pad 23 in placing mouthful 6, be provided with reset spring 24 between ejector pad 23 and the theftproof piece 5, detain 7 at first theftproof, 8 and the third theftproof are detained in the second theftproof and the theftproof is detained 9 and is lost when blockking to pull ring 4, ejector pad 23 can promote pull ring 4 with the help of reset spring 24, it is more convenient during the use, knapsack body 1 is grey cotton fiber cloth, cotton fiber has high strength, high wear resistance, high anti-chemical property and good anti deformability, the effect of ageing resistance, and grey has dirty-resistant effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a dirty theftproof knapsack, includes knapsack body (1), zip fastener (2), its characterized in that, slide on zip fastener (2) and be provided with zipper head (3), it is provided with pull ring (4) to draw zipper head (3) to rotate, be provided with theftproof piece (5) on knapsack body (1), offer on theftproof piece (5) and be used for imbedding placing mouthful (6) of pull ring (4), it detains (8) and third theftproof knot (9) to place to be provided with first theftproof knot (7), second theftproof knot (8) that are used for pinning pull ring (4) on mouthful (6), be provided with on theftproof piece (5) and be used for unblock first theftproof knot (7), second theftproof knot (8) and the first theftproof device of third theftproof knot (9), second theftproof device and third theftproof device.

2. A dirty-resistant anti-theft backpack according to claim 1, wherein the first anti-theft device comprises a first anti-theft button (10), a first torsion spring (11) and a first spring (12), the first anti-theft button (10) is rotatably connected with the first anti-theft catch (7), the first torsion spring (11) is located between the first anti-theft button (10) and the first anti-theft catch (7), and the first spring (12) is located between the first anti-theft button (10) and the anti-theft block (5).

3. A dirty-resistant anti-theft backpack according to claim 2, wherein the second anti-theft device comprises a second anti-theft button (13), a second torsion spring (14) and a second spring (15), the second anti-theft button (13) is rotatably connected with the second anti-theft catch (8), the second torsion spring (14) is located between the second anti-theft button (13) and the second anti-theft catch (8), and the second spring (15) is located between the second anti-theft button (13) and the anti-theft block (5).

4. The dirty-resistant anti-theft backpack according to claim 1, wherein the third anti-theft device comprises a pulling rope (16), a third torsion spring (17), a third spring (18) and a sliding block (19), the third anti-theft buckle (9) is rotatably connected with the sliding block (19), the third torsion spring (17) is located between the third anti-theft buckle (9) and the sliding block (19), the third spring (18) is located between the sliding block (19) and the anti-theft block (5), one end of the pulling rope (16) is connected with the sliding block (19), and the other end of the pulling rope (16) is located outside the backpack body (1) and is provided with a circular ring (20).

5. A dirty-proof anti-theft backpack according to claim 3, wherein the first anti-theft button (10) is fixedly provided with a first stopper (21) for limiting the position of the first anti-theft button (10), and the second anti-theft button (13) is fixedly provided with a second stopper (22) for limiting the position of the second anti-theft button (13).

6. The anti-contamination and anti-theft backpack according to claim 1, wherein a pushing block (23) for pushing the pull ring (4) is arranged in the placing opening (6), and a return spring (24) is arranged between the pushing block (23) and the anti-contamination block (5).

7. A dirt-resistant anti-theft backpack according to claim 1, characterized in that the backpack body (1) is made of grey cotton.

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