1. Stab proof clothing for police, which is characterized in that it includes a stab proof layer and a coat;
The stab proof layer comprises a chip (1), a buffer layer (3) and a protective sleeve (9). The chip (1) is a convex structure with an arc-shaped cross section. A plurality of chips (1) are aligned and overlapped and riveted into a whole through rivets (2). The two buffer layers (3) are respectively covered on both sides of the core (1), and the edges of the two buffer layers (3) are bonded and sealed. The protective sleeve (9) completely covers the chip (1) which has been covered with the buffer layer (3), The outer sleeve comprises a front sheet (4), a back sheet (5), a shoulder adjusting belt (6) and a waist adjusting belt (7). The front sheet (4) and the back sheet (5) are hollow structures with an anti stab layer holding cavity, the two shoulders of the front sheet (4) and the back sheet (5) are connected through the shoulder adjusting belt (6), and the waist is connected through the waist adjusting belt (7); the stab proof layers are respectively assembled in the front sheet (4) and the back sheet (5).
2. The stab proof clothing for police according to claim 1, which is characterized in that the chip (1) is a hard stainless steel plate.
3. The stab proof clothing for police according to claim 1, which is characterized in that the middle parts of the front sheet (4) and the back sheet (5) are provided with inserting plate bags (8).
4. The production method of stab proof clothing for police according to claim 1, which is characterized in that it comprises the following steps:
S1. Material selection: select hard stainless steel coil with width ≥ 410mm and thickness of 0.05mm ~ 0.40mm, and deburring;
S2. Blanking: place the hard stainless steel plate selected in step S1 on the working table of laser cutting machine or punch press, and press according to the drawing
The chip (1) is obtained by processing the rivet hole on the inner side of the external corner;
S3. Rounding: the chip (1) obtained in step S2 is rounded on a rounding machine so that the cross section of the chip (1) is in an arc-shaped junction Structure;
S4. Riveting: align and overlap multiple chips (1). After overlapping, the total thickness is between 0.5mm and 1.2mm. The rivets (2) are successively passed through the rivet holes, and the multiple chips (1) are riveted together;
S5. Bonding: according to the shape of the chip (1), cut the buffer layer (3) so that the edge of the buffer layer (3) exceeds the edge of the chip (1) by 5mm ~ 10mm, and then cover the two buffer layers (3) on both sides of the chip (1), and bond the edge of the buffer layer (3)Together, get stab proof chip;
S6. Packaging: according to the shape of the stab proof chip, cut the protective cover (9) so that the edge of the protective sleeve (9) exceeds the anti piercing chip by 15mm ~ 20mm, cover the protective cover (9) on both sides of the stab proof chip, and heat press the edge of the protective sleeve (9) together, The anti stab layer was obtained;
S7. Assembly: install the stab proof layer obtained in step S6 into the front sheet (4) and the back piece (5) respectively to obtain the police stab proof clothing.
Stab proof clothing for police and its making method
technical field
Background technology
[0002] at present, the domestic security situation is very serious. Various violent criminal cases occur from time to time. Law enforcement officers need to carry a variety of equipment to cope with various emergencies at random when performing their tasks. Law enforcement personnel's load-bearing capacity is limited, and police stab proof clothing is the necessary protective equipment. Therefore, the weight, comfort and flexibility of the equipment will directly affect the effect of handling emergencies. [0003] the existing chip structure of stab proof clothing is mainly composed of multi-layer non-metallic stab resistant sheet lamination, metal scale riveting, metal scale riveting + multi-layer non-metallic stab proof sheet lamination, etc. the total weight of any one structure is about 3.5kg. The stab resistant clothing made of multi-layer non-metallic stab resistant sheets has high cost of raw materials, its stab resistance performance decreases with the increase of ambient temperature, and its thickness is relatively thick, and it has reached about 15mm without buffer layer, and it is not flexible to wear. For the anti piercing clothing made of metal scale riveting, there are different degrees of gaps in the overlapping parts of scales and the possibility of piercing when using, and the manufacturing process is difficult, Although the thickness of stab resistant clothing is reduced to a certain extent, it still has the disadvantages of relatively high material cost and inflexible wearing, and its production process is more complex and the production efficiency is low.
[0004] Chinese patent 200810010497. X discloses a kind of stab proof clothing, which has a clothing cover and a stab proof chip structure. The stab proof chip is a plurality of arc-shaped plastic alloy chips, which are overlapped with each other and are fixed by reinforced plastic connection nails. There is a surplus between the link hole and the link pin at the bonding part, and the inner side of the overlapped arc-shaped plastic chip is provided with a buffer layer. Corresponding to the outer edge of the warped lap part of the overlapped chips, a convex wall is arranged at the flat lap joint of the overlapped chips. This kind of stab proof clothing made of multiple arc-shaped plastic alloy chips can't play a good anti stab effect against the mob's oblique stab. Moreover, each piece is provided with a warped lap part, so the manufacturing process is complex, and it takes a long time to connect each chip.
The stab proof layer is matched and assembled in the front piece and the back piece respectively.
[0007] the chip is a hard stainless steel plate.
[0008] the middle parts of the front sheet and the back sheet are provided with inserting board bags.
[0009] the production method of stab proof clothing for police use includes the following steps:
S1. Material selection: select hard stainless steel coil with width ≥ 410mm and thickness of 0.05mm ~ 0.40mm, and deburring;
S2. Blanking: place the hard stainless steel plate selected in step S1 on the laser cutting machine or punching machine workbench, cut the material according to the drawing, and process the rivet hole inside the external corner to obtain the chip;
S3. Rounding: the chip obtained in step S2 is rounded on a rounding machine, so that the cross section of the chip is in an arc-shaped structure;
S4. Riveting: align multiple chips and overlap them together. After overlapping, the total thickness is between 0.5mm and 1.2mm. The rivets are successively passed through the rivet holes to rivet the chips together;
S5. Bonding: according to the shape of the chip, cut the buffer layer so that the edge of the buffer layer exceeds the edge of the chip by 5mm ~ 10mm. Then, two buffer layers are overlaid on both sides of the chip, and the edges of the buffer layers are bonded together to obtain the stab proof chip;
S6. Packaging: according to the shape of the stab proof chip, cut the protective cover so that the edge of the protective sleeve exceeds the puncture proof chip by 15 mm ~ 20 mm, cover the protective cover on both sides of the anti piercing chip, and heat press and glue the edge of the protective sleeve to get the stab resistant layer;
S7. Assembly: install the stab proof layer obtained in step S6 into the front piece and the back piece respectively to obtain the police stab proof clothing.
[0010] the present invention has the following advantages:
1. The hard stainless steel plate is used as an anti stab chip. When the whole piece is blanking, the total thickness of the hard stainless steel plate is 0.50mm~1.20mm, then the buffer layer is coated on the outer side of the anti puncture chip, the buffer layer is EVA foam, and the outer layer is coated outside the buffer layer.
The material of stab proof clothing is commonly used in the market, with moderate cost and simple manufacturing process.
[0011] 2. The multi-layer thin hard stainless steel plates are riveted together to form a stab proof chip. The structure of multiple thick metal scales riveting each other is no longer used. The whole manufacturing process is relatively simple. Only a few riveting holes are set at the external corner of the hard stainless steel, so the rivets are less used and the production efficiency is high.
[0012] 3. The stab proof chip is of integral structure, and has good effect when puncturing at 0 ° and 45 ° angle, especially the advantage of 45 ° oblique stab prevention is obvious, which meets the requirements of the standard of "ga68-2008 police stab proof clothing". The falling body is composed of test tool and counterweight
4 kg, impact energy of 24J ± 0.5j and puncture at any angle have good stab prevention effect, which is not affected by ambient temperature and has stable safety performance.
[0013] 4. The thickness range of each layer of stab proof chip is 0.05mm ~ 0.4mm, and the total thickness range is 0.5mm ~ 1.2mm. The chip surface is covered with buffer layer, which has light total weight, good flexibility, good wearing comfort and flexibility.
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