CN216898557U - Body armor with three-dimensional structure - Google Patents
Body armor with three-dimensional structure Download PDFInfo
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- CN216898557U CN216898557U CN202123289005.5U CN202123289005U CN216898557U CN 216898557 U CN216898557 U CN 216898557U CN 202123289005 U CN202123289005 U CN 202123289005U CN 216898557 U CN216898557 U CN 216898557U
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Abstract
The embodiment of the utility model discloses a body armor with a three-dimensional structure, which comprises an outer weftless fabric layer, a woven fabric layer and an inner weftless fabric layer which are sequentially attached from outside to inside, wherein the woven fabric layer is a three-dimensional fabric composite layer formed by compounding multiple layers of fabrics through a thermoplastic resin soaking composite process, the outer layer surface of the outer weftless fabric layer forms a bullet-facing surface, and the inner layer surface of the inner weftless fabric layer forms a body-facing surface. The three-dimensional fabric structure has the characteristics of high modulus, large breaking strength, small breaking elongation, high breaking work and the like, can ensure that the bulletproof performance of the bulletproof garment is greatly improved under the condition that the total mass of the bulletproof garment is not changed, and the woven fabric layer of the three-dimensional fabric structure is subjected to resin composite treatment and then is mixed with aramid fiber non-woven fabric to be used so as to meet the GA68-2019 police stab-resistant garment standard, and greatly enhance the bulletproof and stab-resistant effects of the fabric under the condition that the total mass of the bulletproof garment is not changed.
Description
Technical Field
The embodiment of the utility model relates to the technical field of bulletproof materials, in particular to a bulletproof vest with a three-dimensional structure.
Background
At present, most of body armor is mainly soft bulletproof, and after non-woven cloth or woven cloth is made of high-performance fibers, the cloth is stacked by a certain number of layers to achieve the effects of bulletproof and stab prevention, wherein the woven cloth is mainly plain weave or square weave. Plain weave structure, the warp and weft yarn interlacing point is many, and structural stability is high. The non-woven cloth is one single-way non-woven cloth with all the yarns in stretched state, and can propagate effectively the stress and strain caused by impact and raise the energy absorbing efficiency. However, the cut and sewn part of the plain weave structure is a weak point which is easily penetrated by a bullet, the strength and the rigidity in the thickness direction are poor, and the plain weave fabric on the rear layer is easy to slip, and the deformation depth is too large, so that the bullet-proof protection is not facilitated. The mechanical property of the non-woven cloth in the thickness direction is poor, and the layering phenomenon is easy to occur.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a body armor with a three-dimensional structure, so as to solve the problem that the protective effect of the body armor in the prior art is poor.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to the embodiment of the utility model, the bulletproof clothes with the three-dimensional structure comprise an outer weftless fabric layer, a woven fabric layer and an inner weftless fabric layer which are sequentially attached from outside to inside, wherein the woven fabric layer is a three-dimensional fabric composite layer formed by compounding multiple layers of fabrics through a thermoplastic resin infiltration compounding process, the outer layer surface of the outer weftless fabric layer forms a bullet-facing surface, and the inner layer surface of the inner weftless fabric layer forms a close-fitting surface.
Furthermore, the woven fabric layer is formed by compounding three layers of fabrics and comprises a first warp system and a first weft system, and the first warp system and the first weft system are interwoven to form a layer-corner interlocking structure.
Furthermore, the first weft yarn system comprises a first weft yarn layer, a second weft yarn layer and a third weft yarn layer which are adjacently arranged along the thickness direction of the woven fabric layer, weft yarns between the first weft yarn layer and the second weft yarn layer and between the second weft yarn layer and the third weft yarn layer are respectively arranged in a staggered mode, and warp yarns of the first warp yarn system penetrate through the weft yarn system to weave among the first weft yarn layer, the second weft yarn layer and the third weft yarn layer to form a penetrating type angle interlocking structure.
Furthermore, the woven fabric layer is formed by compounding four layers of fabrics and comprises a lining warp yarn system, a second weft yarn system and a second warp yarn system, and the lining warp yarn system, the second weft yarn system and the second warp yarn system are interwoven to form a layer-by-layer orthogonal structure.
The woven fabric layer is formed by compounding four layers of fabrics and comprises a warp inserting system, a weft yarn system and a warp yarn system, and the warp inserting system, the weft yarn system and the warp yarn system are interwoven to form a layer-by-layer orthogonal structure.
Furthermore, the plane of the woven fabric layer is in the X direction and the Y direction, the thickness is in the Z direction, the second weft yarn system comprises a first weft layer, a second weft layer, a third weft layer and a fourth weft layer which are adjacently arranged in the thickness direction of the woven fabric layer, weft yarns of the first weft layer, the second weft layer, the third weft layer and the fourth weft layer are all orthogonally arranged in the X direction, the warp inserting yarn system comprises warp inserting yarns which are orthogonally arranged between the first weft layer and the second weft layer, between the second weft layer and the third weft layer and between the third weft layer and the fourth weft layer in the Y direction, and warp yarns of the second warp yarn system vertically penetrate through the second weft yarn system and the warp inserting system in the Z direction between the second weft yarn system and the warp inserting system and bind the weft inserting yarns to form an orthogonal structure.
The embodiment of the utility model has the following advantages: the composite layer body armor is formed by an outer weftless fabric layer, a woven fabric layer and an inner weftless fabric layer which are sequentially attached from outside to inside, and the woven fabric layer is a three-dimensional fabric composite layer structure formed by compounding a plurality of layers of fabrics through a thermoplastic resin soaking compounding process, and the three-dimensional fabric structure has the characteristics of high modulus, large breaking strength, small breaking elongation, high breaking work and the like, can ensure that the bulletproof performance of the bulletproof clothes is greatly improved under the condition of not changing the total mass of the bulletproof clothes, the woven fabric layer with the three-dimensional fabric structure is subjected to resin composite treatment and then is mixed with aramid fiber non-woven fabric for use so as to meet the GA68-2019 police stab-resistant clothing standard, under the condition that the total mass of the bulletproof garment is not changed, the bulletproof and stab-resistant effects of the fabric are greatly enhanced, so that the outer weftless fabric layer on the bullet-facing surface is mainly subjected to shear stress, and the inner weftless fabric layer on the close-fitting surface is mainly subjected to tensile stress.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic diagram of a layer-by-layer structure of a body armor with a three-dimensional structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first woven fabric layer of a body armor with a three-dimensional structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second composite manner of woven fabric layers of the body armor having a three-dimensional structure according to the embodiment of the present invention.
In the figure: 1. an outer laid fabric layer; 2. a woven cloth layer; 3. an inner weftless fabric layer; 4. a first warp system; 5. a first weft yarn system; 6. an in-lay warp system; 7. a second weft yarn system; 8. a second warp yarn system.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present invention provides a body armor with a three-dimensional structure, which comprises an outer weftless fabric layer 1, a woven fabric layer 2, and an inner weftless fabric layer 3 laminated in sequence from outside to inside. The woven fabric layer 2 is a three-dimensional fabric composite layer formed by compounding a plurality of layers of fabrics through a thermoplastic resin soaking composite process, so that the outer layer surface of the outer weftless fabric layer 1 forms an elastic surface, and the inner layer surface of the inner weftless fabric layer 3 forms a close-fitting surface.
As described above, the composite form of the woven fabric layer 2 includes two kinds;
the first form: referring to fig. 2, the woven fabric layer 2 is formed by combining three layers of fabrics, and includes a first warp system 4 and a first weft system 5, and the first warp system 4 and the first weft system 5 are interwoven to form a layer-corner interlocking structure. Specifically, the first weft yarn system 5 includes a first weft yarn layer, a second weft yarn layer and a third weft yarn layer which are adjacently arranged along the thickness direction of the woven fabric layer 2, weft yarns between the first weft yarn layer and the second weft yarn layer and between the second weft yarn layer and the third weft yarn layer are respectively arranged in a staggered manner, and warp yarns of the first warp yarn system 4 penetrate through the first weft yarn system 5 to weave among the first weft yarn layer, the second weft yarn layer and the third weft yarn layer so as to form a penetrating type angle interlocking structure. Through this structure setting, through the angle interlocking structure that multilayer three-dimensional fabric constitutes to utilize the warp direction and the thickness of weft-wise yarn increase fabric, make the fabric have yielding characteristics. In fig. 2, (1, 2, 3, 4) represents warp yarns, and (r, c. represents weft yarns).
The second form: as shown in fig. 3, the woven fabric layer 2 is formed by combining four layers of fabrics, and includes an inlay warp yarn system 6, a second weft yarn system 7 and a second warp yarn system 8, and the inlay warp yarn system 6, the second weft yarn system 7 and the second warp yarn system 8 are interwoven to form a layer-by-layer orthogonal structure. Specifically, the plane of the woven fabric layer 2 is the X direction and the Y direction, and the thickness is the Z direction, and the second weft system 7 includes a first weft layer, a second weft layer, a third weft layer, and a fourth weft layer that are adjacently arranged in the thickness direction of the woven fabric layer 2. The weft yarns of the first weft layer, the second weft layer, the third weft layer and the fourth weft layer are all orthogonally arranged along the X direction. The warp inserting system 6 comprises warp inserting yarns which are orthogonally arranged between the first weft layer and the second weft layer, between the second weft layer and the third weft layer and between the third weft layer and the fourth weft layer along the Y direction, and between the second weft yarn system 7 and the warp inserting system 6, warp yarns of a second warp yarn system 8 vertically penetrate through the second weft yarn system 7 and the warp inserting system 6 along the Z direction, and the weft yarns and the warp inserting yarns are bound and woven to form an orthogonal structure. Through this structural arrangement, through the orthogonal structure that multilayer three-dimensional fabric constitutes to utilize warp direction and weft direction's yarn to increase the thickness of fabric, make the fabric have characteristics such as the wholeness is good, the structure is closely mechanical properties excellence. In fig. 3, (a, b, c) represent lining warp yarns, (1, 2) represent warp yarns, and (r, c) represent weft yarns.
As described above, since the three-dimensional fabric has anisotropy, the friction force between the yarns is small, and the energy caused by the high-speed impact of the bullet cannot be effectively absorbed and diffused. The ballistic performance of the fabric is weaker than that of other fabrics. Therefore, the three-dimensional fabric is woven and then is processed by resin to prepare prepreg or is immersed into shear thickening liquid so as to improve the ballistic performance of the three-dimensional fabric. Specifically, the woven three-dimensional woven fabric is cut into the size of a bulletproof vest chip, resin composite treatment is carried out, the used resin matrix is divided into phenolic resin, epoxy resin, urea resin, unsaturated resin and the like, and the resin used for the three-dimensional woven fabric is one or more of thermosetting resins. The sizing rate is about 8 to 15 percent. The drying temperature is 120-140 ℃, or the fabric is immersed into shear thickening liquid prepared by mixing polyethylene glycol and nano silicon dioxide to carry out post-treatment of three-dimensional woven fabric, including the compounding of three-dimensional woven fabric and laid fabric.
Because the front layer is mainly shear stress and the rear layer is mainly tensile stress when the multilayer body armor is impacted by a bullet, the utility model is provided with the composite layer body armor which is formed by the outer weftless cloth layer 1, the woven fabric layer 2 and the inner weftless cloth layer 3 which are sequentially attached from outside to inside, the woven fabric layer 2 is a three-dimensional fabric composite layer structure which is formed by compounding a plurality of layers of fabrics through a thermoplastic resin infiltration compounding process, and the three-dimensional fabric composite layer structure has the characteristics of high modulus, high breaking strength, small breaking elongation, high breaking work and the like based on the three-dimensional fabric structure, the bulletproof performance of the body armor can be greatly improved under the condition that the total quality of the body armor is not changed, the woven fabric layer of the three-dimensional fabric structure is subjected to resin compounding treatment and then is mixed with aramid fiber weftless cloth to be in accordance with the GA68-2019 police stab-proof armor standard, greatly enhancing the bulletproof and stab-resistant effects of the fabric.
Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (5)
1. A body armor of three-dimensional structure, characterized in that: the bulletproof garment with the three-dimensional structure comprises an outer weftless fabric layer, a woven fabric layer and an inner weftless fabric layer which are sequentially attached from outside to inside, wherein the woven fabric layer is a three-dimensional fabric composite layer, so that the outer layer surface of the outer weftless fabric layer forms a bullet-facing surface, and the inner layer surface of the inner weftless fabric layer forms a close-fitting surface.
2. The body armor having a three-dimensional structure according to claim 1, wherein: the woven fabric layer is formed by compounding three layers of fabrics and comprises a first warp system and a first weft system, and the first warp system and the first weft system are interwoven to form a layer-by-layer angle interlocking structure.
3. The body armor having a three-dimensional structure according to claim 2, wherein: the first weft yarn system comprises a first weft yarn layer, a second weft yarn layer and a third weft yarn layer which are adjacently arranged along the thickness direction of the woven fabric layer, weft yarns between the first weft yarn layer and the second weft yarn layer and weft yarns between the second weft yarn layer and the third weft yarn layer are respectively arranged in a staggered mode, and warp yarns of the first warp yarn system penetrate through the weft yarn system to be woven among the first weft yarn layer, the second weft yarn layer and the third weft yarn layer to form a penetrating type angle interlocking structure.
4. The body armor having a three-dimensional structure according to claim 1, wherein: the woven fabric layer is formed by compounding four layers of fabrics and comprises a warp lining system, a second weft system and a second warp system, and the warp lining system, the second weft system and the second warp system are interwoven to form a layer-by-layer orthogonal structure.
5. The body armor having a three-dimensional structure according to claim 4, wherein: the warp inserting system comprises warp inserting yarns which are orthogonally arranged between the first weft layer and the second weft layer, between the second weft layer and the third weft layer and between the third weft layer and the fourth weft layer along the Y direction, and between the second weft layer and the warp inserting system, the warp of the second weft system vertically penetrates through the second weft system and the warp inserting system along the Z direction, and the weft yarns and the warp inserting yarns are bound in a weaving mode to form an orthogonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289005.5U CN216898557U (en) | 2021-12-24 | 2021-12-24 | Body armor with three-dimensional structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289005.5U CN216898557U (en) | 2021-12-24 | 2021-12-24 | Body armor with three-dimensional structure |
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| Publication Number | Publication Date |
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| CN216898557U true CN216898557U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123289005.5U Active CN216898557U (en) | 2021-12-24 | 2021-12-24 | Body armor with three-dimensional structure |
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| CN (1) | CN216898557U (en) |
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2021
- 2021-12-24 CN CN202123289005.5U patent/CN216898557U/en active Active
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