Anti-stabbing structure based on metal material

Abstract

The utility model discloses a kind of anti-piercing structures based on metal material, including anti-piercing clothing body, the anti-piercing clothing body is provided with protective sleeve on the piercing face, the inside of the protective sleeve is replaceably provided with anti-piercing layer, the anti-piercing layer includes polymer polyethylene felt, ceramic alloy plate, buffer layer arranged in order from piercing face to non-piercing face, the side of the ceramic alloy plate close to polymer polyethylene felt is provided with a plurality of protruding structure, the buffer layer includes a plurality of buffer units arranged densely, the buffer unit is arranged and set towards the same direction;The utility model forms replaceable protective structure with metal material, reduces the use cost of anti-piercing structure on the basis of guaranteeing the protectiveness of anti-piercing structure, and damaged metal material can be conveniently replaced, and the reusability of anti-piercing clothing is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of protective equipment, specifically relating to a stab-resistant structure based on metal material. Background Technology

[0002] To prevent injury from sharp objects, security personnel typically wear stab-proof vests. Current stab-proof vests are made from special fibers, making them expensive. Furthermore, to ensure their protective capabilities, existing vests are usually quite thick, making it difficult to effectively deflect the force of a straight, forward thrust, thus reducing wearing comfort and protection. Moreover, once the special fibers are damaged, they are difficult to repair, making it difficult to recycle and reuse damaged vests, further reducing their reusability.

[0003] Therefore, in view of the above-mentioned problems of existing stab-proof vests, this utility model discloses a stab-proof structure based on metal material. Utility Model Content

[0004] This utility model discloses a stab-proof structure based on metal material, which forms a replaceable protective structure with metal material. While ensuring the protective performance of the stab-proof structure, it reduces the cost of using the stab-proof structure and allows for easy replacement of damaged metal material, thereby improving the reusability of the stab-proof clothing.

[0005] This utility model is achieved through the following technical solution: A metal-based stab-resistant structure includes a stab-resistant vest body. A protective sleeve is provided on the stab-facing surface of the stab-resistant vest body. A stab-resistant layer is replaceably provided inside the protective sleeve. The stab-resistant layer includes a high-molecular-weight polyethylene felt, a ceramic alloy plate, and a buffer layer arranged sequentially from the stab-facing surface to the non-stab-facing surface. The ceramic alloy plate has a number of protruding structures densely arranged on the side closest to the high-molecular-weight polyethylene felt. The buffer layer includes a number of densely arranged buffer units, which are arranged in the same direction.

[0006] The stab-resistant layer is inserted into the protective sleeve, and the protective sleeve is then sealed to form a protective structure. When the stab-resistant layer is struck by a sharp object, the high-molecular-weight polyethylene felt first blocks and cushions the impact, and then the ceramic alloy plate blocks the sharp object. The ceramic alloy plate has several raised structures on its stab-facing surface, which deflect the direction of the sharp object's impact, preventing the sharp object from directly piercing the stab-resistant layer, thereby deflecting and dispersing the force of the sharp object's impact. The buffer layer further buffers and disperses the force of the sharp object's impact, while also improving the wearer's comfort.

[0007] To better realize this utility model, the ceramic alloy plate further includes a ceramic plate and an alloy plate arranged sequentially from the anti-impact surface to the non-anti-impact surface. A plurality of ceramic protrusions are arranged in a dense array on the side of the ceramic plate close to the high molecular weight polyethylene felt, and a densely arranged polyethylene UD cloth layer is arranged on the side of the ceramic plate away from the high molecular weight polyethylene felt. A cavity with a top opening is formed between the densely arranged polyethylene UD cloth layer and the ceramic plate, and an alloy plate is inserted inside the cavity.

[0008] To better realize this utility model, the ceramic protrusion further includes a ceramic substrate and a ceramic deflector head. The ceramic substrate is in the shape of a boss. The diameter of the anti-protrusion end of the ceramic substrate is smaller than the diameter of the non-anti-protrusion end of the ceramic substrate. The ceramic deflector head is integrally formed on the anti-protrusion end of the ceramic substrate.

[0009] To better realize this utility model, the densely packed polyethylene UD fabric layer is further configured to wrap around the edge of the ceramic plate.

[0010] To better realize this utility model, the densely packed polyethylene UD fabric layer further includes a first UD fabric layer and a second UD fabric layer arranged sequentially from the piercing surface to the non-piercing surface. The first UD fabric layer includes a plurality of first UD fabric units arranged densely in the vertical direction, and the second UD fabric layer includes a plurality of second UD fabric units arranged densely in the horizontal direction.

[0011] To better realize this utility model, the alloy plate further includes at least two layers of alloy plate units arranged sequentially from the anti-attack surface to the non-anti-attack surface.

[0012] To better realize this utility model, the alloy plate unit is further described as a cold-rolled steel plate with a thickness of 0.5mm-2mm.

[0013] To better realize this utility model, the buffer layer further includes a mesh polyethylene UD fabric layer and an EVA foam board. The mesh polyethylene UD fabric layer is disposed between the ceramic alloy plate and the EVA foam board, and the EVA foam board wraps around the edge of the ceramic alloy plate.

[0014] To better realize this utility model, the thickness of the EVA foam board is further 3mm-5mm.

[0015] Compared with the prior art, this utility model has the following advantages and beneficial effects: (1) This utility model replaces the stab-proof layer made of high molecular weight polyethylene felt, ceramic alloy plate and buffer layer between the protective sleeve and the stab-proof vest body. The molecular weight polyethylene felt and ceramic alloy plate effectively buffer and block the stab, ensuring the protective performance of the stab-proof structure. At the same time, after the molecular weight polyethylene felt and ceramic alloy plate are damaged, they can be replaced at a lower cost. Furthermore, the alloy plate in the ceramic alloy plate can be melted and recast, which improves the reusability of the stab-proof structure and reduces the cost of using the stab-proof structure. (2) This utility model provides several protruding structures on the puncture-facing surface of the ceramic alloy plate. The protruding structures can effectively deflect the direction of the puncture, thereby preventing the direct penetration of the puncture-proof structure by a forward puncture and improving the protective performance of the puncture-proof structure. Attached Figure Description

[0016] Figure 1 A cross-sectional view of the stab-resistant structure; Figure 2 This is a front view of the stab-resistant structure; Figure 3 for Figure 1 A magnified view of section B; Figure 4 A schematic diagram showing the connection between the ceramic plate and the ceramic protrusion; Figure 5 This is a schematic diagram of the arrangement of the first UD fabric layer; Figure 6 This is a schematic diagram of the arrangement of the second UD fabric layer.

[0017] The components are: 1-Stab-resistant vest body; 2-Protective sleeve; 3-High molecular weight polyethylene felt; 4-Ceramic alloy plate; 5-Buffer layer; 41-Ceramic plate; 42-Alloy plate; 43-Ceramic protrusion; 44-Densely packed polyethylene UD fabric layer; 431-Ceramic base protrusion; 432-Ceramic deflector; 441-First UD fabric layer; 442-Second UD fabric layer; 51-Mesh polyethylene UD fabric layer; 52-EVA foam board. Detailed Implementation

[0018] Example 1: This embodiment provides a stab-resistant structure based on a metal material, such as... Figure 1 and Figure 2 As shown, the protective vest includes a body 1, a protective sleeve 2 on the stab-facing surface of the body 1, and a replaceable stab-resistant layer inside the protective sleeve 2. The stab-resistant layer includes a high-molecular-weight polyethylene felt 3, a ceramic alloy plate 4, and a buffer layer 5 arranged sequentially from the stab-facing surface to the non-stab-facing surface. The ceramic alloy plate 4 has a number of protruding structures densely arranged on the side close to the high-molecular-weight polyethylene felt 3. The buffer layer 5 includes a number of densely arranged buffer units, which are arranged in the same direction.

[0019] The stab-resistant vest body 1 and protective sleeve 2 are made of nylon woven fabric. The top of the protective sleeve 2 has an opening with a snap fastener. After inserting the stab-resistant layer into the protective sleeve 2 through the opening, the opening is closed with the snap fastener, ensuring the stab-resistant layer is securely inserted into the protective sleeve 2. When the stab-resistant layer is struck by a sharp object, the high-molecular-weight polyethylene felt 3 first buffers and dissipates the impact force, while simultaneously using the toughness of the polyethylene felt 3 to block the sharp object. Then, the ceramic alloy plate 4 further blocks the sharp object, preventing it from penetrating the stab-resistant layer. The ceramic alloy plate 4 has several closely spaced raised structures on its stab-facing surface. When a sharp object comes into contact with these raised structures, it is deflected and guided, causing the stab direction to change, thus preventing the sharp object from striking directly in a direction perpendicular to the stab-resistant layer. This effectively deflects and disperses the stab force, enhancing the overall protective capability of the stab-resistant structure. Meanwhile, a flexible and softer buffer layer 5 is provided on the non-stabbing surface of the ceramic alloy plate 4. The buffer layer 5 effectively buffers and reduces the stabbing force while ensuring the comfort of the wearer when wearing the stabbing protection structure. Furthermore, the buffer layer 5 contains several densely arranged buffer units in the same direction, which can effectively transmit and disperse the stabbing force along their own orientation when subjected to stabbing force.

[0020] Example 2: This embodiment discloses a stab-resistant structure based on metal material, which is an improvement on Embodiment 1, such as... Figures 1-4 As shown, the ceramic alloy plate 4 includes a ceramic plate 41 and an alloy plate 42 arranged sequentially from the anti-attack surface to the non-anti-attack surface. On the side of the ceramic plate 41 near the high molecular weight polyethylene felt 3, a plurality of ceramic protrusions 43 are arranged in a dense array. On the side of the ceramic plate 41 away from the high molecular weight polyethylene felt 3, a densely arranged polyethylene UD cloth layer 44 is arranged. The densely arranged polyethylene UD cloth layer 44 and the ceramic plate 41 form a cavity with a top opening. The alloy plate 42 is inserted into the cavity.

[0021] The ceramic protrusion 43 has a protrusion height of 1mm-3mm. It is integrally formed by pressing a reverse punch onto the piercing surface of the ceramic blank to create the protrusion structure. After firing the ceramic blank, a ceramic plate 41 with the ceramic protrusion 43 is obtained. This integral molding of the ceramic protrusion 43 and ceramic plate 41 effectively enhances the strength of the entire ceramic alloy plate 4. Simultaneously, the ceramic protrusion 43 deflects and guides the piercing force, effectively deflecting and dispersing it. The alloy plate 42 effectively prevents sharp objects from directly penetrating the piercing structure, thus improving the overall protective performance of the piercing structure.

[0022] Furthermore, the ceramic protrusion 43 includes a ceramic substrate 431 and a ceramic deflector head 432. The ceramic substrate 431 is in the shape of a boss. The diameter of the anti-spiking end of the ceramic substrate 431 is smaller than the diameter of the non-spiking end of the ceramic substrate 431. The ceramic deflector head 432 is integrally formed on the anti-spiking end of the ceramic substrate 431.

[0023] The ceramic deflector 432 has a rounded end, and the ceramic deflector 432 and the ceramic substrate 431 form a frustum structure with a gradually increasing diameter from the anti-impact surface to the non-impact surface. The frustum structure guides and deflects the impact force of the sharp weapon.

[0024] Furthermore, the densely packed polyethylene UD fabric layer 44 wraps around the edge of the ceramic plate 41, thereby forming a more robust protective structure. At the same time, the densely packed polyethylene UD fabric layer 44 protects the edge of the ceramic plate 41, preventing the ceramic plate 41 from breaking when a sharp object cuts from its edge.

[0025] The rest of this embodiment is the same as that of Embodiment 1, so it will not be described again.

[0026] Example 3: This embodiment discloses a stab-resistant structure based on metal material, which is an optimization of embodiment 1 or 2, such as... Figure 5 and Figure 6 As shown, the densely packed polyethylene UD fabric layer 44 includes a first UD fabric layer 441 and a second UD fabric layer 442 arranged sequentially from the piercing surface to the non-piercing surface. The first UD fabric layer 441 includes a plurality of first UD fabric units arranged densely in the vertical direction, and the second UD fabric layer 442 includes a plurality of second UD fabric units arranged densely in the horizontal direction.

[0027] When impacted, a number of first UD fabric units arranged closely together vertically deform and disperse the impact force along the vertical direction. Similarly, a number of second UD fabric units arranged closely together horizontally deform and disperse the impact force along the horizontal direction. The first UD fabric layer 441 and the second UD fabric layer 442 effectively disperse the impact force in both the vertical and horizontal directions, thereby reducing the final impact force transmitted to the human body and improving the protective performance of the stab-proof structure.

[0028] The rest of this embodiment is the same as that of embodiment 1 or 2, so it will not be described again.

[0029] Example 4: This embodiment discloses a stab-resistant structure based on metal material, which is an optimization based on any one of embodiments 1-3, such as... Figure 3As shown, the alloy plate 42 comprises at least two layers of alloy plate units arranged sequentially from the puncture-facing side to the non-puncture-facing side. Each alloy plate unit is a cold-rolled steel plate with a thickness of 0.5mm-2mm. The cold-rolled steel plate possesses sufficient strength to withstand punctures, effectively preventing sharp objects from directly penetrating the puncture-resistant structure. Furthermore, depending on the required protection level, different layers of cold-rolled steel plates can be flexibly arranged and stacked to form the alloy plate 42. To prevent slippage between the cold-rolled steel plates, adjacent plates are bonded together with adhesive.

[0030] The rest of this embodiment is the same as any one of embodiments 1-3, so it will not be described again.

[0031] Example 5: This embodiment discloses a stab-resistant structure based on metal material, which is an improvement on any one of embodiments 1-4, such as... Figure 3 As shown, the buffer layer 5 includes a mesh polyethylene UD fabric layer 51 and an EVA foam board 52. The mesh polyethylene UD fabric layer 51 is disposed between the ceramic alloy plate 4 and the EVA foam board 52, and the EVA foam board 52 wraps around the edge of the ceramic alloy plate 4. The mesh polyethylene UD fabric layer 51 is used to ensure the integrity of the EVA foam board 52 when it is stabbed. At the same time, the elasticity and softness of the EVA foam board 52 itself effectively buffers the stabbing force and improves the comfort of the human body when wearing the stab-proof structure, preventing the ceramic alloy plate 4 from directly contacting the human body.

[0032] Furthermore, the thickness of the EVA foam board 52 is 3mm-5mm.

[0033] The rest of this embodiment is the same as any one of embodiments 1-4, so it will not be described again.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A stab-resistant structure based on metal material, comprising a stab-resistant vest body (1), characterized in that, The stab-resistant vest body (1) is provided with a protective sleeve (2) on the stab-facing surface. The protective sleeve (2) is provided with a replaceable stab-resistant layer inside. The stab-resistant layer includes a high molecular weight polyethylene felt (3), a ceramic alloy plate (4), and a buffer layer (5) arranged sequentially from the stab-facing surface to the non-stab-facing surface. The ceramic alloy plate (4) is densely provided with several protruding structures on the side close to the high molecular weight polyethylene felt (3). The buffer layer (5) includes several densely arranged buffer units, which are arranged in the same direction.

2. The stab-resistant structure based on metal material according to claim 1, characterized in that, The ceramic alloy plate (4) includes a ceramic plate (41) and an alloy plate (42) arranged sequentially from the piercing surface to the non-piercing surface. The ceramic plate (41) has a number of ceramic protrusions (43) arranged in a dense array on the side close to the high molecular weight polyethylene felt (3). The ceramic plate (41) has a densely arranged polyethylene UD cloth layer (44) arranged on the side away from the high molecular weight polyethylene felt (3). The densely arranged polyethylene UD cloth layer (44) and the ceramic plate (41) form a cavity with a top opening. The alloy plate (42) is inserted inside the cavity.

3. The stab-resistant structure based on metal material according to claim 2, characterized in that, The ceramic protrusion (43) includes a ceramic substrate (431) and a ceramic deflector head (432). The ceramic substrate (431) is in the shape of a boss. The diameter of the anti-spiking end of the ceramic substrate (431) is smaller than the diameter of the non-spiking end of the ceramic substrate (431). The ceramic deflector head (432) is integrally formed on the anti-spiking end of the ceramic substrate (431).

4. The stab-resistant structure based on metal material according to claim 3, characterized in that, The densely packed polyethylene UD fabric layer (44) wraps around the edge of the ceramic plate (41).

5. The anti-stab structure based on metal material according to claim 4, characterized in that, The densely packed polyethylene UD fabric layer (44) includes a first UD fabric layer (441) and a second UD fabric layer (442) arranged sequentially from the piercing surface to the non-piercing surface. The first UD fabric layer (441) includes a plurality of first UD fabric units arranged densely in the vertical direction, and the second UD fabric layer (442) includes a plurality of second UD fabric units arranged densely in the horizontal direction.

6. The stab-resistant structure based on metal material according to claim 2, characterized in that, The alloy plate (42) includes at least two layers of alloy plate units arranged sequentially from the piercing surface to the non-piercing surface.

7. The anti-stab structure based on metal material according to claim 6, characterized in that, The alloy plate unit is a cold-rolled steel plate with a thickness of 0.5mm-2mm.

8. A stab-resistant structure based on metal material according to any one of claims 1-7, characterized in that, The buffer layer (5) includes a mesh polyethylene UD fabric layer (51) and an EVA foam board (52). The mesh polyethylene UD fabric layer (51) is disposed between the ceramic alloy plate (4) and the EVA foam board (52), and the EVA foam board (52) wraps the edge of the ceramic alloy plate (4).

9. A stab-resistant structure based on metal material according to claim 8, characterized in that, The thickness of the EVA foam board (52) is 3mm-5mm.

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