CN213067282U

CN213067282U - Bulletproof vest

Info

Publication number: CN213067282U
Application number: CN201920139431.4U
Authority: CN
Inventors: 朱天宇
Original assignee: Xinjiang Lijian Hongdun Defense Technology Co ltd
Current assignee: Jiaxing Hongdun Technology Co ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2021-04-27
Anticipated expiration: 2029-01-28

Abstract

The utility model discloses a stab-resistant bulletproof vest, which comprises a front chest piece and a back piece which are connected, wherein the front chest piece is provided with a first connecting belt and a second connecting belt, and the back piece is provided with a third connecting belt and a fourth connecting belt; the fabric used by the front chest piece and the back piece is formed by sewing anti-cutting fabric, interlayer fabric and lining layer; the raw material used by the interlayer fabric is ultra-high molecular weight polyethylene filament; the anti-cutting fabric is a weft knitting fabric taking the anti-cutting covering yarn as a raw material. The utility model relates to a prevent stinging shellproof undershirt has used and has prevented that the intermediate layer surface fabric that cutting surface fabric and ultra high molecular weight polyethylene filament were prepared makes to have very strong prevent stinging function and more light. And the sheet fabric is arranged in the lining layer to form an accommodating space for placing the bulletproof plate, so that the bulletproof plate has a bulletproof effect when being placed in. The stab-resistant bulletproof vest can be rapidly switched between stab-resistant and bulletproof effects and used in different occasions.

Description

Bulletproof vest

Technical Field

The utility model belongs to the technical field of protective clothing technique and specifically relates to a prevent stinging shellproof undershirt.

Background

The stab-resistant bulletproof vest used by the police at present has the characteristics of heavy weight, heavy weight and the like in the process. And the conventional stab-resistant armor does not have a bulletproof function, and only the vest with the stab-resistant function needs to be worn during the usual duty. However, if the bullet-proof vest needs to be worn temporarily, the bullet-proof vest needs to be replaced, which may be too late in time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stab-resistant and bulletproof vest, which leads the stab-resistant vest to be more portable and can provide higher stab-resistant effect; when the bulletproof vest is needed, a bulletproof plate can be placed at any time when the bulletproof vest is needed, so that the bulletproof vest has a bulletproof function.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

the utility model relates to a stab-resistant bulletproof vest, which comprises a front chest piece and a back piece which are connected, wherein the front chest piece is provided with a first connecting belt and a second connecting belt, and the back piece is provided with a third connecting belt and a fourth connecting belt; the fabric used by the front chest piece and the back piece is formed by sewing anti-cutting fabric, interlayer fabric and lining layer; the raw material used by the interlayer fabric is ultra-high molecular weight polyethylene filament; the anti-cutting fabric is a weft-knitted fabric taking anti-cutting covering yarns as raw materials;

the anti-cutting covered yarn sequentially comprises a core wire, a covering wire and a wrapping wire from inside to outside; the core wire is completely coated by the coating wire, and the core wire does not leak; the wrapping silk wraps the wrapping silk; the core filament is a glass fiber filament, the cladding filament is an ultra-high molecular weight polyethylene filament, and the wrapping filament comprises a Z-direction wrapping filament and an S-direction wrapping filament;

the lining layer on the chest piece is provided with a sheet material, one end of the sheet material and the lining layer form an accommodating space with an opening, and the accommodating space is internally provided with an bulletproof plate.

As a further explanation of the above scheme, the area density of the cut-proof fabric is 200-500 g per square meter; the surface density of the interlayer fabric is 500-700 g/square meter.

As a further illustration of the above scenario, the sum of the deniers of the Z-wrap and S-wrap is 150D.

As a further explanation of the above scheme, the wrapping yarn is polyester filament yarn or nylon filament yarn.

As a further explanation of the above scheme, the fineness of the glass fiber filaments is 100 tex.

As a further explanation of the above scheme, the fineness of the ultra-high molecular weight polyethylene filaments is 200D-400D.

As a further explanation of the above scheme, the first connecting belt and the third connecting belt are connected by a bag buckle or a magic tape; the second connecting belt and the fourth connecting belt are connected by a schoolbag buckle or a magic tape.

The utility model has the advantages that: the utility model relates to a prevent stinging shellproof undershirt has used the intermediate layer surface fabric that is prepared by preventing cutting the cutting surface fabric that cladding yarn prepared and ultra high molecular weight polyethylene filament makes to have very strong prevent stinging function and more light. And the sheet fabric is arranged in the lining layer to form an accommodating space for placing the bulletproof plate, so that the bulletproof plate has a bulletproof effect when being placed in. The stab-resistant bulletproof vest can be rapidly switched between stab-resistant and bulletproof effects and used in different occasions.

Drawings

Fig. 1 is a schematic structural view of a stab-resistant and bulletproof vest according to the present invention;

FIG. 2 is a schematic structural view of a fabric used for the front breast piece and back piece;

FIG. 3 is a schematic view of the construction of a cut resistant covered yarn according to one embodiment;

FIG. 4 is a schematic view of the structure of the cut-resistant covering yarn of the second embodiment;

FIG. 5 is a schematic view of a structure of a sheet-like web.

The designations in the figures illustrate the following: 1-chest X-ray; 2-back sheet; 11-a first connecting strip; 12-a second connecting strap; 13-a sheeted fabric; 14-magic tape; 21-a third connecting band; 22-a fourth connecting strap; 3-anti-cutting wrap yarn; 31-core filament; 32-coated filaments; wrapping the filament in the 331-Z direction; wrapping the silk in the 332-S direction; 41-anti-cutting fabric; 42-sandwich fabric; 43-liner layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example one

The present embodiment will be described in detail with reference to fig. 1, 2, 3, and 5. The stabproof bulletproof vest comprises a front chest piece 1 and a back piece 2 which are connected, wherein a first connecting belt 11 and a second connecting belt 12 are arranged on the front chest piece 1, and a third connecting belt 21 and a fourth connecting belt are arranged on the back piece.

The fabrics used for the front chest piece 1 and the back piece 2 are sewn by an anti-cutting fabric 41, an interlayer fabric 42 and a lining layer 43 according to the design requirement. The raw material used for the interlayer fabric 42 is weft-knitted fabric of ultra-high molecular weight polyethylene filament, the areal density of the interlayer fabric 42 is 500-700 g/m, and in this embodiment, 500 g/m is selected. The cut-proof fabric 41 is a weft-knitted fabric made of the cut-proof covering yarn 3, and the areal density of the cut-proof fabric 41 is 200 and 500 g/m, and in this embodiment, 500 g/m is selected. The lining layer 43 is made of a conventional light and thin fabric, typically 50-120 g/m pure cotton fabric, and the lining layer 43 is comfortable to wear.

The lining layer on the chest piece 1 is provided with a sheet material 13, which forms an accommodating space with an opening at one end with the lining layer, and a bulletproof plate is arranged in the accommodating space. The opening of the receiving space faces upward when worn.

Furthermore, a plurality of magic tapes 14 are disposed at corresponding positions of the sheet-shaped fabric 13 and the lining layer for adjusting the position of the bulletproof plate placed in the accommodating space. The magic tape 14 is provided with a plurality of rows, and the position of the bulletproof plate can be adjusted according to different requirements of use, so that the position of the bulletproof plate is located at the correct position, and the protective effect can be really played.

The anti-cutting covered yarn 3 sequentially comprises a core 31 wire, a covering wire 32 and a wrapping wire from inside to outside. The covering wire 32 completely covers the core wire 31, and the core wire 31 does not leak. The wrapping yarn is wrapped outside the wrapping yarn 32.

The core yarn 31 used in this example was a glass fiber filament with a fineness of 100 tex. The used coating filament 32 is an ultra-high molecular weight polyethylene filament with the fineness of 200-400D, and in the embodiment, the fineness is selected to be 400D. The covering filament 32 completely covers the core filament 31 so that the glass fiber filaments do not leak out. The wrapping filaments include Z-wrapping filaments 331 and S-wrapping filaments 332. The sum of the deniers of the Z-wrapping filaments 331 and the S-wrapping filaments 332 is 150D. In this embodiment, the fineness of the Z-direction wrapping yarn 331 and the fineness of the S-direction wrapping yarn 332 are the same and are both 75D. The pitch of the Z-direction wrapping filaments 331 and the S-direction wrapping filaments 332 is 5 to 10 times the diameter of the wrapping filaments, and 5 times is selected in this embodiment.

Furthermore, the wrapping yarn is polyester filament yarn or nylon filament yarn. In this embodiment, the Z-direction wrapping yarn 331 and the S-direction wrapping yarn 332 are both made of polyester and are black in color. The wrapping yarn functions to improve the wear resistance of the cut wrap yarn and improve the appearance of the prepared fabric, so that the fabric looks similar to a conventional fabric.

The first connecting belt 11 and the third connecting belt 21 are connected by a schoolbag buckle. The second connecting band 12 and the fourth connecting band 22 are connected by a schoolbag buckle. The front breast piece 1 and the back piece 2 can be connected quickly when it is made.

Example two

The present embodiment will be described in detail with reference to fig. 1, 2, 4, and 5. The present embodiment relates to a stab-resistant bulletproof vest, which is different from the first embodiment in that:

the first connecting belt 11 and the third connecting belt 21 are connected by a magic tape; second connecting band 12 and fourth connecting band 22 adopt the magic subsides to connect. The front chest piece 1 and the back piece 2 can be quickly and fixedly connected together.

The surface density of the interlayer fabric is 500-700 g/m, and in the embodiment, 700 g/m is selected. The surface density of the anti-cutting fabric is 200-500 g/m, and in the embodiment, 200 g/m is selected.

The used coating filament 32 is an ultra-high molecular weight polyethylene filament with the fineness of 200-400D, and is selected to be 200D in the embodiment. The fineness of the ultra-high molecular weight polyethylene filaments used in the interlayer fabric 42 was also 200D.

The number of the Z-direction wrapping filaments 331 and the number of the S-direction wrapping filaments 332 are two, that is, four wrapping filaments are arranged on the outer side of the wrapping filament 32, the Z-direction wrapping filament 331 is selected to be a polyester filament, the S-direction wrapping filament 332 is selected to be a nylon filament, and the colors of the filaments are selected to be gray. The fineness of the selected polyester filament and nylon filament is 75D. Alternatively, the polyester filaments may be selected to be 50D and the nylon filaments to be 100D.

Examples one and two Cut resistant fabrics in stab and ballistic resistant vests were prepared and the results of Blade Cut Resistance measured by intetek corporation are shown in the following table:

I₁

I₂

I₃

I₄

I₅

mean value of

Example one

﹥22.8

Example two

﹥21.0

In the european standard EN388:2016, the minimum requirement for a level 5 cut according to the standard test method is 20.0. The cut resistant fabrics in both examples one and two meet the specification of level 5, which is the highest standard in european standard EN388: 2016.

The interlayer fabrics prepared by the ultra-high molecular weight polyethylene filaments are arranged in the first embodiment and the second embodiment, so that the interlayer fabrics have good performance in the aspect of puncture resistance. And the effect of non-penetration is achieved through the detection of the security of the police department and the quality detection center of the police electronic product.

The cut-preventing covering yarn referred to in example one was named a first cut-preventing covering yarn, and the cut-preventing covering yarn referred to in example two was named a second cut-preventing covering yarn. In the first embodiment, the cutting-resistant fabric is formed by weft knitting of the first cutting-resistant covering yarn, and in the second embodiment, the cutting-resistant fabric is formed by weft knitting of the second cutting-resistant covering yarn.

Furthermore, the anti-cutting fabric in the stab-resistant and bulletproof vest is formed by weft knitting the first anti-cutting wrap yarn and the second anti-cutting wrap yarn, and the arrangement sequence of the two anti-cutting wrap yarns may not be limited to 1: 1, may also be 1: 2. 1: 3. 1: 4, or 2: 1. 3: 1. 4: 1, more preferably 2: 2. 2: 3. 3: 3, and other arrangements and ratios. The anti-cutting fabric can have different performances. The so-called arrangement order is 1: the arrangement rule of the two yarns is that one first anti-cutting covering yarn and one second anti-cutting covering yarn.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A stab-resistant bulletproof vest comprises a front chest piece and a back piece which are connected, wherein the front chest piece is provided with a first connecting belt and a second connecting belt, and the back piece is provided with a third connecting belt and a fourth connecting belt; the fabric used by the front chest piece and the back piece is formed by sewing anti-cutting fabric, interlayer fabric and lining layer; the raw material used by the interlayer fabric is ultra-high molecular weight polyethylene filament; the anti-cutting fabric is a weft-knitted fabric taking anti-cutting covering yarns as raw materials;

2. The stab and ballistic resistant vest of claim 1, wherein the cut resistant fabric has an areal density of 200 and 500 grams per square meter; the surface density of the interlayer fabric is 500-700 g/square meter.

3. The stab and ballistic resistant vest of claim 1, wherein the Z-wrap and S-wrap filaments have a combined denier of 150D.

4. The stab and ballistic resistant vest of claim 1, wherein the wrapping filaments are polyester filaments or nylon filaments.

5. The stab and ballistic resistant vest of claim 1, wherein the glass fiber filaments have a fineness of 100 tex.

6. The stab and ballistic resistant vest of claim 1, wherein the ultra high molecular weight polyethylene filaments have a fineness of 200D to 400D.

7. The stab and ballistic resistant vest of claim 1, wherein the first connecting strap and the third connecting strap are connected by a bag fastener or a hook and loop fastener; the second connecting belt and the fourth connecting belt are connected by a schoolbag buckle or a magic tape.