CN213308062U - Dual anti-theft backpack - Google Patents

Abstract

The application relates to the field of articles for daily use, in particular to a dual anti-theft backpack. The key points of the technical scheme are as follows: including knapsack body and fixed connection in the baldric at the knapsack body back, the back of knapsack body is provided with interior zip fastener, the top of knapsack body is provided with outer zip fastener, be provided with first buckling piece on the outer zip fastener, be provided with second buckling piece on the interior zip fastener, first buckling piece and can dismantle the connection between the second buckling piece, this application has the function that promotes the theftproof effect of theftproof knapsack.

Description

Dual anti-theft backpack

Technical Field

The application relates to the field of articles for daily use, in particular to a dual anti-theft backpack.

Background

The backpack refers to a general term of a bag carried on the back when going out or marching, and as the times develop, the backpack is developed towards the trends of diversified materials, diversified functional requirements and diversified appearances, for example, different types of backpacks such as business bags, school bags and travel bags are derived.

At present, the knapsack mainly includes knapsack body and baldric, and the baldric is fixed in the back of knapsack body, is provided with the zip fastener on the knapsack body, can open and close the knapsack body through the pulling zip fastener, is convenient for deposit article to this internal depositing of knapsack, wherein, in the correlation technique, has an theftproof knapsack, and it is through setting up the zip fastener in the back of knapsack body, can frighten the person of holding in order to play the theftproof effect when stranger pulling zip fastener, and the practicality is better.

To the correlation technique among the above-mentioned, the theftproof knapsack is when the design, for abundant reason knapsack space, set up the interlayer in the inside of knapsack body usually, the interlayer separates the inside of knapsack body and forms the interior cavity that is close to the knapsack back and the outer cavity that is close to the knapsack outside, the top of knapsack body is provided with outer zip fastener, outer zip fastener is relative with outer cavity, can realize opening and close of outer cavity through pulling outer zip fastener, so that deposit article to outer cavity department, in addition, set up interior zip fastener in the back department of knapsack body, interior zip fastener is relative with interior cavity, can realize opening and close of interior cavity through pulling interior zip fastener, so that deposit article to interior cavity department, and simultaneously, interior zip fastener plays the theftproof effect here. However, the anti-theft backpack in the related art still has the defect that the outer zipper is easily pulled by a stranger to cause theft, and the anti-theft backpack still has great room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to promote the theftproof effect of theftproof knapsack, this application provides a dual theftproof knapsack.

The application provides a dual theftproof knapsack adopts following technical scheme:

the utility model provides a dual theftproof knapsack, includes knapsack body and the baldric of fixed connection in the knapsack body back, the back of knapsack body is provided with interior zip fastener, the top of knapsack body is provided with outer zip fastener, be provided with first buckling piece on the outer zip fastener, be provided with second buckling piece on the interior zip fastener, first buckling piece and can dismantle the connection between the second buckling piece.

Through adopting above-mentioned technical scheme, when carrying the knapsack on the back, if the outer zip fastener of stranger pulling, outer zip fastener tractive was moved this moment first fastener, and first fastener tractive second fastener drives interior zip fastener and moves, and the person of carrying the back of the body can perceive the pulling of interior zip fastener this moment, and then discovers that outer zip fastener is opened, plays the effect of theftproof.

Preferably, first buckling piece includes first haulage rope and sleeve, the one end fixed connection of first haulage rope in on the outer zip fastener, the other end fixed connection of first haulage rope in on the sleeve, second buckling piece includes second haulage rope and locking piece, the one end fixed connection of second haulage rope in on the interior zip fastener, the other end fixed connection of second haulage rope in on the locking piece, the locking piece with the sleeve can be dismantled and be connected.

Through adopting above-mentioned technical scheme, first haulage rope plays the effect of connecting sleeve and outer zip fastener, the second haulage rope plays the effect of being connected locking piece and interior zip fastener, through with sleeve and locking piece reciprocal anchorage and mutual dismantlement, can realize reciprocal anchorage and the pine between first buckling piece and the second buckling piece and take off, and then realize the mutual atress of outer zip fastener and interior zip fastener and be related, and first haulage rope and second haulage rope can make sleeve and locking piece can put wantonly, be convenient for adjust sleeve and locking piece and then be convenient for sleeve and locking piece dock the installation mutually.

Preferably, one end of the sleeve is provided with an opening, the locking block is movably inserted into the sleeve through the opening end of the sleeve, the side wall of the sleeve is provided with a buckling groove, and the locking block is provided with a buckling boss buckled in the buckling groove.

Through adopting above-mentioned technical scheme, peg graft the locking piece in to the sleeve and with lock boss lock to lock groove department, can realize the mutual fixed between sleeve and the locking piece, with the lock boss from lock groove unblock and take the locking piece out to the sleeve, can realize the mutual pine between sleeve and the locking piece and take off, and then realized dismantling between first buckling piece and the second buckling piece and be connected.

Preferably, the buckling groove comprises a first section, a second section and a third section, one end of the first section is arranged at the end face of the sleeve in an opening manner, the other end of the first section extends towards the inside of the sleeve, the other end of the first section is communicated with one end of the second section, the second section is perpendicular to the first section, one end of the second section, far away from the first section, is connected with one end of the third section, the other end of the third section extends towards the end face of the sleeve, and the buckling boss is buckled to the third section through the first section and the second section in sequence.

By adopting the technical scheme, when the buckling bosses and the buckling grooves are buckled with each other, the locking block is inserted into the sleeve, in the process, the buckling bosses are embedded into the first section until the buckling bosses move to one end close to the second section of the first section, the sleeve or the locking block is rotated, the locking block can move into the second section until the buckling bosses move to one end close to the third section of the second section, then the locking block is pulled towards the outside of the sleeve, at the moment, the buckling bosses move into the third section from the second section until the buckling bosses are abutted against the third section of the buckling grooves, and the buckling and the fixing between the sleeve and the locking blocks are realized; if need carry out the unblock with the locking piece, in proper order with the locking piece towards the sleeve in press down, rotate the sleeve and with the locking piece take out from the sleeve in can, lock process and unblock process convenient and fast to the lock is firm, is difficult for the pine to take off.

Preferably, the buckling lug boss and the locking block are integrally connected with each other, and the joint between the buckling lug boss and the locking block is in arc transition.

Through adopting above-mentioned technical scheme, mutual body coupling's lock piece and locking piece have better joint strength to the junction between lock boss and the locking piece is the circular arc transition, and the junction that is the circular arc transition can further promote the joint strength between lock boss and the locking piece, makes the difficult fracture of lock boss, has promoted the durability of lock boss.

Preferably, a spring is fixedly connected in the sleeve, and when the buckling boss is buckled at the third section of the buckling groove, one end of the spring is abutted against the locking block.

Through adopting above-mentioned technical scheme, elasticity is exerted to the locking piece to the spring for difficult pine takes off when lock boss lock to third section, steadiness when further having promoted sleeve and the mutual lock joint of locking piece, the structure is practical.

Preferably, the first traction rope and the second traction rope are both anti-cutting ropes.

Through adopting above-mentioned technical scheme, the reducible first haulage rope of anti-cutting rope and the second haulage rope produce the possibility of cutting the loss, on the one hand, has promoted the life of first haulage rope and second haulage rope, and on the other hand can play the effect that prevents the stranger and cut the loss, has promoted the theftproof performance of first buckling piece and second buckling piece.

Preferably, the spacing between the outer and inner zippers is within 12 cm.

Through adopting above-mentioned technical scheme, when the interval between outer zip fastener and the interior zip fastener is greater than 12cm, overall length between first buckling piece and the second buckling piece is longer, during the outer zip fastener of pulling, before the zip fastener removal in outer zip fastener pulling, the phenomenon that the zip fastener was partly unzipped exists, through shortening the interval between outer zip fastener and the interior zip fastener, the stroke that the zip fastener removed in the zip fastener promotion can shorten outer zip fastener, be convenient for discover in advance that the knapsack is stolen, laminating in-service use operating mode.

In summary, the present application includes at least one of the following beneficial technical effects:

1. if a stranger pulls the outer zipper, the outer zipper can pull the first fastener to move, the first fastener pulls the second fastener to drive the inner zipper to move, and the supporter can sense the pulling of the inner zipper at the moment, so that the outer zipper is found to be opened, and the anti-theft effect of the anti-theft backpack is improved;

2. the sleeve and the locking block can be randomly placed according to the flexibility of the first traction rope and the second traction rope, the sleeve and the locking block can be conveniently adjusted so as to be conveniently butted and installed, and the structure is practical;

3. the reducible first haulage rope of anti-cutting rope and the second haulage rope produce the possibility of cutting the loss, on the one hand, has promoted the life of first haulage rope and second haulage rope, and on the other hand can play the effect that prevents the stranger and cut the loss, has promoted the theftproof performance of first buckling piece and second buckling piece.

Drawings

Figure 1 is a schematic view of the construction of a backpack according to the present application.

Figure 2 is a schematic view of another perspective of the backpack of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic view of the assembly relationship between the locking block and the sleeve in the present application.

Description of reference numerals: 1. a backpack body; 2. shoulder straps; 3. an inner zipper; 4. an outer zipper; 5. a first fastener; 51. a first pull cord; 52. a sleeve; 521. buckling the groove; 5211. a first stage; 5212. a second stage; 5213. a third stage; 6. a second fastener; 61. a second pull cord; 62. a locking block; 621. buckling the lug bosses; 7. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses dual theftproof knapsack. Referring to fig. 1, this anti-theft backpack includes knapsack body 1 and shoulder 2 of fixed connection in the knapsack body 1 back, the inside interlayer that is provided with of knapsack body 1, the interlayer separates into interior cavity and outer cavity with knapsack body 1, zip fastener 3 in installing at the top edge of the back of knapsack body 1, interior zip fastener 3 is used for opening and close interior cavity, the top of knapsack body 1 is provided with outer zip fastener 4, outer zip fastener 4 is used for opening and close outer cavity, when the user holds the knapsack back of the body, it is difficult for being pulled by the stranger to set up in the interior zip fastener 3 of knapsack body 1 back department, and then can play the theftproof effect.

Referring to fig. 2, in order to improve the anti-theft function of the outer cavity of the backpack body 1, a first fastener 5 is arranged on the outer zipper 4, a second fastener 6 is arranged on the inner zipper 3, the first fastener 5 and the second fastener 6 are detachably connected, when the first fastener 5 and the second fastener 6 are connected, the first fastener 5 and the second fastener 6 are fixed to each other, if a stranger pulls the outer zipper 4, the outer zipper 4 pulls the first fastener 5 to move, the first fastener 5 pulls the second fastener 6 to drive the inner zipper 3 to move, the supporter can sense the pulling of the inner zipper 3 at the moment, and then the outer zipper 4 is found to be opened, so that the anti-theft effect is achieved. And, the distance between the outer zipper 4 and the inner zipper 3 is within 12cm, it should be noted that, here, the distance value between the outer zipper 4 and the inner zipper 3 is defined as α, which is understood as the distance from the outer zipper 4 to the back surface of the backpack body 1, α can be 3cm, 5cm or 11cm, in this case, when the distance between the outer slide fastener 4 and the inner slide fastener 3 is larger than 12cm, the total length between the first fastener 5 and the second fastener 6 is long, and when the outer slide fastener 4 is pulled, before the outer zipper 4 pulls the inner zipper 3 to move, the outer zipper 4 is partially unzipped, and by shortening the distance between the outer zipper 4 and the inner zipper 3, the travel of the outer zipper 4 for pushing the inner zipper 3 to move can be shortened, the backpack can be conveniently found to be stolen in advance, in the present embodiment, the value of α is selected to be 5cm, and here, the specific values of the outer zipper 4 and the inner zipper 3 within 12cm are not selected as limitations.

Referring to fig. 3, to realize the detachable connection between the first fastener 5 and the second fastener 6, specifically, the first fastener 5 includes a first pulling rope 51 and a sleeve 52, the second fastener 6 includes a second pulling rope 61 and a locking block 62, wherein the first pulling rope 51 and the second pulling rope 61 are both anti-cutting ropes, for example, the first pulling rope 51 and the second pulling rope 61 may be steel wire braided ropes, one end of the first pulling rope 51 is fixedly connected to the slider of the outer zipper 4, one end of the second pulling rope 61 is fixedly connected to the slider of the inner zipper 3, wherein, when the first pulling rope 51 is installed, one end of the first pulling rope 51 can be welded to the slider of the outer zipper 4 to realize the fixed installation of the first pulling rope 51, the installation manner of the second pulling rope 61 installed at the inner zipper 3 is the same as the installation manner of the first pulling rope 51, and will not be described in detail herein.

Referring to fig. 3 and 4, the other end of the first pulling rope 51 is fixedly connected to the sleeve 52, the other end of the second pulling rope 61 is fixedly connected to the locking block 62, the locking block 62 is detachably connected to the sleeve 52, and the detachable connection between the first fastener 5 and the second fastener 6 is realized through the detachable connection between the locking blocks 62.

Specifically, sleeve 52 is cylindric setting, the one end of sleeve 52 is the setting of opening form, the other end of sleeve 52 is the setting of closure form, the one end that sleeve 52 is the closure form here is defined as the blind end, and the one end that sleeve 52 is the opening form is defined as the open end, the outer wall department fixable mounting rings of the blind end of sleeve 52, with first haulage rope 51 butt fusion in rings department, can realize the reciprocal anchorage between first haulage rope 51 and the sleeve 52, in addition, closure block 62 is the setting of cylindric form, the one end fixable mounting rings of closure block 62, with second haulage rope 61 butt fusion in rings department, can realize the reciprocal anchorage between second haulage rope 61 and the closure block 62.

The locking block 62 is adapted to the contour dimension of the inner wall of the sleeve 52, the locking block 62 can be movably inserted into the sleeve 52 through the open end of the sleeve 52, and the surface of the locking block 62 and the inner wall of the sleeve 52 can be slidably abutted with each other. The side wall of the sleeve 52 is provided with a fastening groove 521, the fastening groove 521 includes a first section 5211, a second section 5212 and a third section 5213, which are connected in sequence, one end of the first section 5211 is open at the end surface of the sleeve 52, the other end of the first section 5211 extends toward the inside of the sleeve 52, it should be noted that, here, the direction toward the inside of the sleeve 52 refers to the direction extending from the open end of the sleeve to the closed end in the depth direction, the length direction of the first section 5211 is consistent with the length direction of the sleeve 52, the other end of the first section 5211 is communicated with one end of the second section 5212, the second section 5212 is perpendicular to the first section 5211, one end of the second section 5212 far away from the first section 5211 is connected with one end of the third section 5213, the other end of the third section 5213 extends towards the end surface where the opening of the sleeve 52 is located, the third section 5213 is parallel to the first section 5211, and the first section 5211, the second section 5212 and the third section 5213 which are sequentially connected are arranged in a barb shape; the locking block 62 is provided with a fastening boss 621 fastened in the fastening groove 521, the fastening boss 621 is in a square shape in this embodiment, the fastening boss 621 and the locking block 62 are integrally connected with each other, and a joint between the fastening boss 621 and the locking block 62 is in a circular arc transition.

In the process of inserting the locking block 62 into the sleeve 52, the fastening boss 621 is aligned with the first section 5211 of the fastening groove 521, and then the locking block 62 is inserted into the sleeve 52 and the fastening boss 621 is inserted into the first section 5211 of the fastening groove 521 until the fastening boss 621 moves to one end of the first section 5211 close to the second section 5212, and the sleeve 52 or the locking block 62 is rotated to move the locking block 62 into the second section 5212 until the fastening boss 621 moves to one end of the second section 5212 close to the third section 5213, and then the locking block 62 is pulled toward the outside of the sleeve 52, and at this time, the fastening boss 621 moves from the second section 5212 into the third section 5213 until the fastening boss 621 abuts against the third section 5213 of the fastening groove 521, so as to achieve fastening and fixing between the sleeve 52 and the locking block 62, and the fastening boss 621 passes through the first section 5211 and the second section 5212 in sequence and finally fastens to the third section 5213, the sleeve 52 and the locking block 62 are fixed to each other, if the locking block 62 needs to be unlocked, the locking block 62 is sequentially pressed towards the interior of the sleeve 52, the sleeve 52 is rotated, and the locking block 62 is pulled out of the sleeve 52, so that the sleeve 52 and the locking block 62 are detachably connected.

Further, the spring 7 is fixedly connected to the inside of the sleeve 52, one end of the spring 7 is fixedly installed on the inner wall of the closed end of the sleeve 52, when the fastening boss 621 is fastened to the third section 5213 of the fastening groove 521, one end of the spring 7, which is far away from the closed end of the sleeve 52, abuts against the locking block 62, and at this time, the spring 7 applies elasticity to the locking block 62, so that the fastening boss 621 is not easily loosened when fastened to the third section 5213, and the stability of the mutual fastening of the sleeve 52 and the locking block 62 is improved.

It should be noted that the length of the second pulling rope 61 may be shorter than the length of the first pulling rope 51, so as to bring the sleeve 52 and the locking block 62 closer to the back of the backpack body 1, thereby increasing the difficulty of unlocking the sleeve 52 and the locking block 62 by a stranger when carrying the backpack, and in addition, the closed end of the sleeve 52 may be set to be spherical, thereby reducing the edge of the sleeve 52, and finally reducing the friction and the holding point when holding the sleeve 52 by a hand, increasing the difficulty of unlocking by a single hand, and further increasing the safety when carrying the backpack.

The implementation principle of the dual anti-theft backpack of the embodiment of the application is as follows: the first traction rope 51 plays a role in connecting the sleeve 52 and the outer zipper 4, the second traction rope 61 plays a role in connecting the locking block 62 with the inner zipper 3, the sleeve 52 and the locking block 62 can be fixed and detached mutually in a splicing and rotating mode, and further mutual fixing and loosening between the first fastener 5 and the second fastener 6 are achieved, when the first fastener 5 and the second fastener 6 are fixed mutually, the outer zipper 4 and the inner zipper 3 are in stress correlation mutually, if a stranger pulls the outer zipper 4, the outer zipper 4 pulls the first fastener 5 to move, the first fastener 5 pulls the second fastener 6 to drive the inner zipper 3 to move, at the moment, the supporter can sense the pulling of the inner zipper 3, and further, the outer zipper 4 is found to be opened, and an anti-theft effect is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a dual theftproof knapsack, includes knapsack body (1) and shoulder (2) of fixed connection in knapsack body (1) back, the back of knapsack body (1) is provided with interior zip fastener (3), the top of knapsack body (1) is provided with outer zip fastener (4), its characterized in that: the outer zipper (4) is provided with a first buckling piece (5), the inner zipper (3) is provided with a second buckling piece (6), and the first buckling piece (5) and the second buckling piece (6) are detachably connected.

2. The dual security backpack of claim 1, wherein: first buckle (5) include first haulage rope (51) and sleeve (52), the one end fixed connection of first haulage rope (51) in on outer zip fastener (4), the other end fixed connection of first haulage rope (51) in on sleeve (52), second buckle (6) include second haulage rope (61) and locking piece (62), the one end fixed connection of second haulage rope (61) in on interior zip fastener (3), the other end fixed connection of second haulage rope (61) in on locking piece (62), locking piece (62) with sleeve (52) can be dismantled and be connected.

3. A dual antitheft backpack according to claim 2, characterized in that: one end of the sleeve (52) is provided with an opening, the locking block (62) is movably inserted into the sleeve (52) through the opening end of the sleeve (52), the side wall of the sleeve (52) is provided with a buckling groove (521), and the locking block (62) is provided with a buckling boss (621) buckled in the buckling groove (521).

4. A dual antitheft backpack according to claim 3, characterized in that: the buckling groove (521) comprises a first section (5211), a second section (5212) and a third section (5213), one end of the first section (5211) is open at the end surface of the sleeve (52), the other end of the first section (5211) extends towards the inside of the sleeve (52), the other end of the first section (5211) is communicated with one end of the second section (5212), the second section (5212) is perpendicular to the first section (5211), one end of the second section (5212) far away from the first section (5211) is connected with one end of the third section (5213), the other end of the third section (5213) extends towards the end surface of the sleeve (52), and the buckling boss (621) is buckled to the third section (5213) through the first section (5211) and the second section (5212) in sequence.

5. A dual antitheft backpack according to claim 3, characterized in that: the buckling boss (621) and the locking block (62) are integrally connected with each other, and the joint between the buckling boss (621) and the locking block (62) is in arc transition.

6. The dual security backpack of claim 4, wherein: a spring (7) is fixedly connected in the sleeve (52), and when the buckling boss (621) is buckled on the third section (5213) of the buckling groove (521), one end of the spring (7) is abutted against the locking block (62).

7. A dual antitheft backpack according to claim 2, characterized in that: the first traction rope (51) and the second traction rope (61) are anti-cutting ropes.

8. The dual security backpack of claim 1, wherein: the distance between the outer zipper (4) and the inner zipper (3) is within 12 cm.

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