Quick unfolding device for bulletproof backpack

By introducing protective layers, interlayers, and mounting mechanisms into the bulletproof backpack, and utilizing angle adjustment and drive mechanisms to achieve rapid deployment, the problem of slow deployment speed in existing technologies is solved, providing full-body protection and improving user safety.

CN223695207UActive Publication Date: 2025-12-23SUNING ZHONGYUAN TEXTILE CO LTD
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Patent Information

Application Number
CN202520297065.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-23
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing bulletproof backpacks are slow to deploy in dangerous situations and cannot provide timely full-body protection for the user.

Method used

It adopts a protective layer, a first interlayer, a first bulletproof plate, a second interlayer, a second bulletproof plate, and an installation mechanism. The backpack body and the protective layer can be quickly unfolded through the angle adjustment mechanism and the drive mechanism. The webbing handle makes it easy to carry.

Benefits of technology

It enables the backpack to be quickly deployed in dangerous situations, providing full-body protection and improving the user's safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223695207U_ABST
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Abstract

The utility model relates to the technical field of bulletproof knapsacks, in particular to a quick unfolding device for a bulletproof knapsack, which is applied to a knapsack main body matched with the bulletproof knapsack and comprises a protective layer, a first interlayer, a first bulletproof plate, a second interlayer, a second bulletproof plate and a mounting mechanism. Straps are arranged on the protective layer, the first interlayer is arranged on the side, close to the protective layer, of the backpack body, the first bulletproof plate is fixedly arranged in the first interlayer, the second interlayer is formed in the protective layer, the second bulletproof plate is fixedly arranged in the second interlayer, the mounting mechanism is arranged between the backpack body and the protective layer, and a braid handle is arranged on the protective layer. By means of the technical scheme, the problem that in the related technology, a backpack cannot be technically unfolded when encountering a dangerous situation is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bulletproof backpack technical field, concretely relates to a kind of quick deployment device for bulletproof backpack. BACKGROUND

[0002] Bulletproof backpack is bulletproof function backpack, its appearance is roughly same with ordinary backpack, one structure is installed with bulletproof board in the layer structure of backpack main body to make it have bulletproof and injury-reducing function;There is another structure of bulletproof backpack, and its bulletproof function is realized in the layer structure with flexible bulletproof material layer and anti-cut material layer.

[0003] The function design of current bulletproof backpack is mostly to protect the upper body of user, and the protection area is limited, so it cannot protect the whole body.

[0004] In order to facilitate the protection of the whole body of user, through retrieval, it is found that Chinese patent publication No. CN219781855U discloses a bulletproof backpack with full-body protection and multiple functions, which includes an inner layer and an outer layer. The inner layer and the outer layer are installed with a bulletproof board in the layer structure. The top edge and the two side edges of the inner layer and the outer layer are connected by a zipper. The bottom edge is provided with a first flip structure. When the bulletproof backpack is in a vertical state and the zipper is pulled open, the outer layer is flipped and unfolded relative to the inner layer, which can increase the protection area of the user and achieve full-body protection of the user, reducing the probability of injury.

[0005] However, the above-mentioned bulletproof backpack needs to completely pull open the zipper of the backpack during the unfolding process, and then unfold the backpack to protect the user. However, it takes a lot of time to pull the zipper, so when the user faces a dangerous situation, the user cannot be protected in time. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of quick deployment device for bulletproof backpack, solve the problem that related technology cannot technology to unfold backpack when encountering dangerous situation.

[0007] The technical scheme of the utility model is as follows: a kind of quick deployment device for bulletproof backpack, applied to the backpack main body compatible therewith, including protective layer, first interlayer, first bulletproof board, second interlayer, second bulletproof board and mounting mechanism;

[0008] The protective layer is sewn on the backpack main body by needle thread, and the protective layer is provided with a shoulder strap.

[0009] The first interlayer is arranged on the side of the backpack main body close to the protective layer.

[0010] The first bulletproof board is fixedly arranged in the first interlayer.

[0011] The second interlayer is arranged in the protective layer;

[0012] The second bulletproof plate is fixedly arranged in the second interlayer;

[0013] The mounting mechanism is arranged between the backpack body and the protective layer.

[0014] Preferably, the mounting mechanism comprises:

[0015] A mounting groove is arranged on the first bulletproof plate and penetrates the first interlayer side wall;

[0016] A ring-shaped groove is arranged on the mounting groove side wall;

[0017] A mounting column is arranged on the second bulletproof plate corresponding to the mounting groove and penetrates the second interlayer side wall and extends into the mounting groove;

[0018] A mounting cavity is arranged in the mounting column, and a plurality of mounting openings are arranged on the mounting cavity side wall corresponding to the ring-shaped groove;

[0019] A plurality of first gears are arranged in the mounting cavity corresponding to the mounting openings and rotate synchronously;

[0020] A mounting block is fixedly arranged on the first gear side wall;

[0021] An angle adjusting mechanism is arranged in the second bulletproof plate and is used for controlling the first gear to rotate synchronously.

[0022] Further, the angle adjusting mechanism comprises:

[0023] An adjusting cavity is arranged on the second bulletproof plate;

[0024] A second gear is arranged in the adjusting cavity corresponding to the first gear;

[0025] An adjusting rod is fixedly arranged between the first gear and the second gear;

[0026] A ring-shaped rack is arranged in the adjusting cavity and is engaged with the second gear;

[0027] A driving mechanism is arranged on the second bulletproof plate and is used for controlling the ring-shaped rack to rotate.

[0028] Further, the driving mechanism comprises:

[0029] A driving disc is fixedly arranged on the annular rack;

[0030] A driving slot is arranged on the second bulletproof plate, and the driving slot penetrates the second interlayer sidewall;

[0031] A driving column is fixedly arranged on the driving disc, and the driving column extends into the driving slot;

[0032] A hand wheel is fixedly arranged on the driving column away from the first bulletproof plate.

[0033] Further, a torsion spring is sleeved on the driving column, and two ends of the torsion spring are fixedly connected with the hand wheel and the bottom of the driving slot, respectively.

[0034] On the basis of the above scheme, the protective layer is provided with a webbing handle.

[0035] The bulletproof plate is an industrial product made of silicon carbide ceramic as a material and used for bulletproof armor. The silicon carbide ceramic is widely used in bulletproof armor, such as protection of vehicles, ships, civil safety boxes and cash transport vehicles, because of high hardness, small specific gravity, good ballistic performance and low price. The slot design on the surface of the bulletproof plate does not significantly reduce the use strength of the bulletproof plate.

[0036] The working principle and beneficial effects of the utility model are as follows:

[0037] 1. In the utility model, when a dangerous situation occurs, an operator can control the first gear to rotate synchronously through the angle adjusting mechanism, so as to conveniently drive the mounting block to move around the first gear, and then make the mounting block exit from the annular groove, thereby facilitating the rapid unfolding between the backpack main body and the protective layer.

[0038] 2. In the utility model, the operator rotates the hand wheel, so as to conveniently drive the annular rack to rotate through the driving column, and then drive the second gear to rotate synchronously through the meshing of the annular rack and the second gear, and then conveniently drive the first gear to rotate synchronously through the adjusting rod.

[0039] 3. In the utility model, the webbing handle is arranged, so as to conveniently carry the backpack main body after unfolding by holding the webbing handle, thereby avoiding the carrying problem of the backpack main body after unfolding.

[0040] 4. The utility model discloses a protective layer, first interlayer, first bulletproof board, second interlayer, second bulletproof board and the setting of mounting mechanism, the connection between the protective layer and the backpack main part and disassembly are realized through the movement of mounting block, thereby the quick unfolding of the backpack main part is convenient, the problem of not unfolding the backpack in the related art when meeting dangerous situation is solved. BRIEF DESCRIPTION OF DRAWINGS

[0041] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0042] Figure 1 It is structure schematic drawing of the utility model;

[0043] Figure 2 It is another visual angle structure schematic drawing of the utility model;

[0044] Figure 3 It is sectional structure schematic drawing of the utility model;

[0045] Figure 4 It is the utility model Figure 3 It is the local amplification structure schematic drawing of A place in the utility model;

[0046] Figure 5 It is mounting mechanism structure schematic drawing of the utility model.

[0047] In the drawing: 1, protective layer;2, first bulletproof board;3, second bulletproof board;4, mounting column;5, first gear;6, mounting block;7, second gear;8, adjusting rod;9, ring gear;10, driving disc;11, driving column;12, hand wheel;13, torsional spring;14, webbing handle. DETAILED DESCRIPTION

[0048] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0049] As Figures 1-5The embodiment shown provides a quick unfolding device for a bulletproof backpack, which is applied to a backpack body matched therewith and comprises a protective layer 1, a first interlayer, a first bulletproof plate 2, a second interlayer, a second bulletproof plate 3 and a mounting mechanism. The protective layer 1 is arranged on the backpack body by needle and thread sewing, and a shoulder strap is arranged on the protective layer 1. The first interlayer is arranged on a side of the backpack body close to the protective layer 1. The first bulletproof plate 2 is fixedly arranged in the first interlayer. The second interlayer is arranged in the protective layer 1. The second bulletproof plate 3 is fixedly arranged in the second interlayer. The mounting mechanism is arranged between the backpack body and the protective layer 1. A braid pull 14 is arranged on the protective layer 1.

[0050] The mounting mechanism comprises a mounting groove, an annular groove, a mounting column 4, a mounting cavity, a first gear 5, a mounting block 6 and an angle adjusting mechanism. The mounting groove is arranged on the first bulletproof plate 2 and penetrates through the side wall of the first interlayer. The annular groove is arranged on the side wall of the mounting groove. The mounting column 4 is arranged on the second bulletproof plate 3 corresponding to the mounting groove and penetrates through the side wall of the second interlayer to extend into the mounting groove. The mounting cavity is arranged in the mounting column 4. A plurality of mounting openings are arranged on the side wall of the mounting cavity corresponding to the annular groove. The first gear 5 is arranged in plurality. The plurality of first gears 5 are rotatably arranged in the mounting cavity corresponding to the mounting openings. The mounting block 6 is fixedly arranged on the side wall of the first gear 5. The angle adjusting mechanism is arranged in the second bulletproof plate 3 and is used for controlling the first gear 5 to rotate synchronously.

[0051] Specifically, when a dangerous situation occurs, an operator can control the first gear 5 to rotate synchronously through the angle adjusting mechanism, so as to drive the mounting block 6 to move around the first gear 5, and then make the mounting block 6 exit from the annular groove, thereby facilitating the quick unfolding between the backpack body and the protective layer 1.

[0052] The angle adjusting mechanism comprises an adjusting cavity, a second gear 7, an adjusting rod 8, an annular rack 9 and a driving mechanism. The adjusting cavity is arranged on the second bulletproof plate 3. The second gear 7 is arranged in the adjusting cavity corresponding to the first gear 5. The adjusting rod 8 is fixedly arranged between the first gear 5 and the second gear 7. The annular rack 9 is rotatably arranged in the adjusting cavity and is engaged with the second gear 7. The driving mechanism is arranged on the second bulletproof plate 3 and is used for controlling the annular rack 9 to rotate. The driving mechanism comprises a driving disc 10, a driving groove, a driving column 11, a hand wheel 12 and a torsional spring 13. The driving disc 10 is fixedly arranged on the annular rack 9. The driving groove is arranged on the second bulletproof plate 3 and penetrates through the side wall of the second interlayer. The driving column 11 is fixedly arranged on the driving disc 10 and extends into the driving groove. The hand wheel 12 is fixedly arranged on the end of the driving column 11 away from the first bulletproof plate 2. The torsional spring 13 is sleeved on the driving column 11 and is fixedly connected at both ends to the hand wheel 12 and the groove bottom of the driving groove.

[0053] Specific, the operator rotates the hand wheel 12, thereby facilitating the drive column 11 with ring gear 9 for rotation, and then through the ring gear 9 and the second gear 7 meshing drive second gear 7 synchronous rotation, and then facilitate through the adjusting rod 8 with first gear 5 synchronous rotation.

[0054] In this embodiment, when a dangerous situation occurs, the operator rotates the hand wheel 12, thereby facilitating the drive column 11 with ring gear 9 for rotation, and then through the ring gear 9 and the second gear 7 meshing drive second gear 7 synchronous rotation, and then facilitate through the adjusting rod 8 with first gear 5 synchronous rotation, and then the rotation of the first gear 5 can drive the mounting block 6 around the first gear 5 to move, and then make the mounting block 6 from the ring groove exit, thereby facilitating the rapid deployment between the backpack body and the protective layer 1, after the backpack body is deployed, the operator can hold the braid handle 14 to adjust the position of the backpack body, thereby facilitating the protection of the operator through the backpack body.

[0055] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A quick-deployment device for a bulletproof backpack, characterized in that, Applied to the main body of the backpack to which it is compatible, including: A protective layer (1) is attached to the main body of the backpack by stitching with needle and thread, and a shoulder strap is attached to the protective layer (1). A first interlayer is disposed on the side of the backpack body near the protective layer (1); The first bulletproof plate (2) is fixedly installed in the first interlayer; The second interlayer is formed within the protective layer (1); The second bulletproof plate (3) is fixedly installed in the second interlayer; The mounting mechanism is disposed between the backpack body and the protective layer (1).

2. The quick-deployment device for a bulletproof backpack according to claim 1, characterized in that, The installation mechanism includes: The mounting groove is formed on the first bulletproof plate (2) and penetrates the side wall of the first interlayer. An annular groove is formed on the side wall of the mounting groove; Mounting post (4), which is correspondingly opened on the second bulletproof plate (3) and extends through the second interlayer sidewall into the mounting groove; The mounting cavity is opened inside the mounting column (4), and the sidewall of the mounting cavity is provided with multiple mounting ports corresponding to the annular groove. The first gear (5) is provided in multiple ways, and the multiple first gears (5) are rotatably arranged in the mounting cavity corresponding to the mounting port; Mounting block (6), which is fixedly mounted on the side wall of the first gear (5); An angle adjustment mechanism is installed inside the second bulletproof plate (3) and is used to control the first gear (5) to rotate synchronously.

3. A quick-deployment device for a bulletproof backpack according to claim 2, characterized in that, The angle adjustment mechanism includes: An adjustment cavity is provided on the second bulletproof plate (3); The second gear (7) is disposed in the adjustment cavity corresponding to the first gear (5); Adjusting rod (8), the adjusting rod (8) is fixedly disposed between the first gear (5) and the second gear (7); A ring rack (9) is rotatably disposed in the adjustment cavity, and the ring rack (9) meshes with the second gear (7); A drive mechanism is provided on the second bulletproof plate (3) and is used to control the rotation of the annular rack (9).

4. A quick-deployment device for a bulletproof backpack according to claim 3, characterized in that, The drive mechanism includes: A drive disk (10) is fixedly mounted on the annular rack (9); The drive groove is formed on the second bulletproof plate (3) and penetrates the side wall of the second interlayer. A drive column (11) is fixedly mounted on the drive disk (10) and extends into the drive groove; Handwheel (12), which is fixedly disposed at the end of the drive column (11) away from the first bulletproof plate (2).

5. A quick-deployment device for a bulletproof backpack according to claim 4, characterized in that, It also includes a torsion spring (13), which is fitted on the drive column (11), and the two ends of the torsion spring (13) are fixedly connected to the handwheel (12) and the bottom of the drive groove, respectively.

6. A quick-deployment device for a bulletproof backpack according to claim 5, characterized in that, The protective layer (1) is provided with a webbing handle (14).

Citation Information

Patent Citations

  • Bulletproof backpack with whole-body protection function

    CN219781855U