CN213147567U - Bulletproof helmet pasted with alloy plate - Google Patents

Abstract

The utility model provides a bulletproof helmet coated with alloy plates, which comprises a helmet body and binding bands connected with the two sides of the helmet body; the helmet body comprises a body and a liner layer lined on the inner side of the body. The body is provided with an alloy layer formed by attaching a plurality of alloy plates to the surface of the body along with the shape; the alloy plate is formed by splicing a plurality of alloy sheet units, at least one connecting rib capable of being connected with the adjacent alloy sheet units is arranged at the edge of each alloy sheet unit, and the alloy sheet units are connected into a whole by the connecting ribs to form the alloy plate; the shape-following seams are reserved between the adjacent alloy sheet units, and when the alloy plate is attached to the body in a shape-following manner, the shape of the shape-following seams can be changed according to the shape-following bending of the alloy plate. The utility model discloses a subsides cover have the bulletproof helmet of alloy board, can reduce the many curved surfaces of alloy board on bulletproof helmet and paste along with the shape and cover the degree of difficulty, and help the subsides of each alloy piece unit of alloy board to cover the location to improve the efficiency that the concatenation was pasted and is covered.

Description

Bulletproof helmet pasted with alloy plate

Technical Field

The utility model relates to an individual soldier protects technical field, in particular to subsides cover has bulletproof helmet of alloy board.

Background

In the existing army and armed police, the individual system is an indispensable combat platform, and as an important individual protection means, the bulletproof helmet has an important function, so that the casualty probability of personnel can be greatly reduced. Most of the existing bulletproof helmets adopt aramid fiber materials, and the novel materials have the characteristics of low density, good toughness, high temperature resistance, and easy processing and forming. The bulletproof helmet made of the material has good bullet resistance and is suitable for the striking of a conventional pistol; however, in the case of the bullet shot from a large-caliber firearm, the impact force of the bullet on the surface of the helmet is high, and the impact point of the bullet on the surface of the helmet is small, so that the bullet still penetrates through the helmet or the helmet shell is excessively sunken, and serious casualties are caused.

In order to enhance the protective performance of a bulletproof helmet, a scheme of adding a high-strength alloy layer to a helmet body of the bulletproof helmet exists in the prior art, but most alloy plates have good shape memory performance and are difficult to attach to the surface of the helmet body along with the shape; moreover, some high-strength plates are mostly formed by forging and pressing, and the process difficulty of integrally processing the high-strength plates into a curved surface structure is very high.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a subsides have bulletproof helmet of alloy board to reduce the multi-curved surface of alloy board on bulletproof helmet and follow the shape and paste and cover the degree of difficulty, and help pasting of each alloy piece unit of alloy board to cover the location, thereby improve the efficiency that the concatenation was pasted and is covered.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a bulletproof helmet coated with an alloy plate comprises a helmet body and binding bands connected to two sides of the helmet body, wherein the helmet body comprises a body and a liner layer lined on the inner side of the body;

the body is provided with an alloy layer formed by attaching a plurality of alloy plates to the surface of the body along the shape; the alloy plate is formed by splicing a plurality of alloy sheet units, at least one connecting rib capable of being connected with the adjacent alloy sheet units is arranged at the edge of each alloy sheet unit, and the alloy plate is formed by connecting the alloy sheet units into a whole through the connecting ribs; and a shape-following seam is reserved between the adjacent alloy sheet units, and when the alloy plate is attached to the body in a shape-following manner, the shape of the shape-following seam can be changed according to the shape-following bending of the alloy plate.

Further, the alloy layer is arranged on the outer surface of the body and covers the whole outer surface of the body.

Further, the alloy layer is composed of an alloy plate, the whole tiled alloy plate is circular, and a plurality of missing parts which are distributed in central symmetry are cut; when the alloy plate is attached to the body, the alloy sheet units positioned on two sides of the missing part are close and adjacent.

Furthermore, an outer edge slot is formed in the edge of the body, and the edge of the alloy layer is inserted into the outer edge slot.

Further, the shape following seam is formed by laser cutting.

Further, the alloy plate is a TC4 titanium alloy plate.

Further, the thickness of the TC4 titanium alloy plate is 0.3-2 mm.

Further, the width of the conformal seam is 0.2-0.3 times of the thickness of the alloy plate.

Further, the width of the connecting rib is 0.5-1 times of the thickness of the alloy plate.

Further, the body is made of Kevlar materials.

Compared with the prior art, the utility model discloses following advantage has:

(1) the bulletproof helmet pasted with the alloy plate of the utility model is pasted with the alloy plate on the body to form an alloy layer, which can improve the bullet-proof performance of the helmet body and is beneficial to improving the protection strength of the bulletproof helmet; the alloy plate formed by the alloy sheet units which are connected into a whole by the connecting ribs is spliced on the body to form the alloy layer, so that the multi-curved surface shape-following pasting difficulty of the alloy plate on the body can be reduced, the pasting and positioning of each alloy sheet unit are facilitated, and the splicing and pasting efficiency is improved.

(2) The alloy layer is arranged on the outer surface of the body, so that the alloy plate is convenient to attach and process, contributes to the exertion of the bulletproof performance of the alloy plate, and can form the buffering and dispersion of the impact strength in advance.

(3) Compared with the alloy layer formed by splicing a plurality of alloy plates, the alloy plate is used for completing the pasting operation on the body, so that the arrangement of production and material preparation is facilitated, and the improvement of the production efficiency is facilitated.

(4) The edge of the body is provided with an outward-turned outer edge, and an outer edge slot is processed on the outer edge, so that the edge of the alloy layer can be accommodated conveniently, and the whole alloy layer can be well positioned and firmly attached to the body.

(5) The laser cutting is adopted, so that the laser cutting machine is suitable for cutting and processing the alloy plate, and the size and the shape of the shape-following seam can be accurately controlled.

(6) The TC4 titanium alloy plate is used as an alloy layer, so that the alloy layer is lighter in weight, excellent in tensile strength, yield strength, elongation and other properties, and good in combustion barrier effect; can well meet the performance requirement of the alloy layer in the helmet body.

(7) The titanium alloy plate with the thickness of 0.3-2mm is matched with the body with proper thickness, the titanium alloy plate and the body can meet the index requirements of various impact resistance performances, and the thickness and the weight of the whole helmet body can be controlled within a more excellent range.

(8) The width d1 of the conformal seam is set to be 0.2-0.3 times of the thickness of the alloy plate, so that conformal bending of each alloy sheet unit is facilitated, gaps among the alloy sheet units can be basically eliminated, the probability that bullets hit the conformal seam is reduced, and the bullet impact resistance of the helmet body is facilitated to be improved.

(9) The width d2 of the connecting rib is 0.5-1 times of the thickness of the alloy plate, so that the connecting rib can be prevented from being easily broken due to too narrow width and is not beneficial to realizing the shape following bending of the whole alloy plate due to too wide width.

(10) The body is prepared from the Kevlar material, has the characteristics of mature technology and good performance, and is suitable for adhering and splicing the alloy layer on the surface of the body.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic view of the overall external structure of a bulletproof helmet coated with an alloy plate according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 indicated by B;

fig. 4 is a schematic structural view of the bulletproof helmet according to the embodiment of the present invention after removing the outer covering layer;

fig. 5 is a schematic structural diagram of an alloy plate according to an embodiment of the present invention in a tiled state;

FIG. 6 is a partial enlarged view of the area indicated by C in FIG. 5;

description of reference numerals:

1-helmet body, 100-outer edge slot, 101-outer cladding layer, 102-alloy layer, 103-body, 104-liner layer, 105-vent hole, 106-vent groove, 11-neck protector, 12-front brim, 120-alloy plate, 121-alloy sheet unit, 122-following seam, 123-connecting rib and 124-missing part;

2-binding band, 201-branch band, 202-fixing component.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, terms of orientation such as left, right, up, down, and the like are used in the illustrated state for convenience of description, and should not be construed as limiting the structure of the present invention.

The embodiment relates to a bulletproof helmet pasted with an alloy plate, which can reduce the difficulty in pasting the alloy plate on the bulletproof helmet with a multi-curved surface along with the shape, and is beneficial to pasting and positioning each alloy sheet unit of the alloy plate, thereby improving the splicing and pasting efficiency. The bulletproof helmet coated with the alloy plate comprises a helmet body and binding bands connected to two sides of the helmet body; the helmet body comprises a body and a liner layer lined on the inner side of the body. The body is provided with an alloy layer formed by attaching a plurality of alloy plates to the surface of the body along the shape; the alloy plate is formed by splicing a plurality of alloy sheet units, at least one connecting rib capable of being connected with the adjacent alloy sheet units is arranged at the edge of each alloy sheet unit, and the alloy plate is formed by connecting the alloy sheet units into a whole through the connecting ribs; and a shape-following seam is reserved between the adjacent alloy sheet units, and when the alloy plate is attached to the body in a shape-following manner, the shape of the shape-following seam can be changed according to the shape-following bending of the alloy plate.

Based on the above general structural principles, the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. An exemplary structure of the bulletproof helmet attached with the alloy sheet according to the present embodiment is shown in fig. 1, 2, and 3, and mainly includes a helmet body 1 and a strap 2.

The helmet body 1 is worn on a head of a person, and generally, a front convex front brim portion 12 is formed at a front portion of the helmet body 1, and a neck protector portion 11 is formed at a rear portion of the helmet body 1 to extend downward so as to shield a back brain and a part of a neck of the person. In order to ensure that the helmet is firmly worn on the head of a person, the lower part of the helmet body 1 is additionally provided with the binding belt 2. Specifically, the binding band 2 is connected to two sides of the helmet body 1, preferably, two fixing members 202 are respectively disposed at lower portions of two sides of the helmet body 1, two ends of the binding band 2 are respectively branched into two branch belts 201, and ends of the branch belts 201 are fixedly connected to the helmet body 1 through the fixing members 202. Adopt four points to tie up the form and tie up the helmet body 1 through bandage 2 and tie up on user's head, can effectively improve the problem that the helmet rocked around overhead, make the wearing steadiness of helmet better.

As shown in fig. 1 and fig. 2, in order to improve the tactile sensation of the helmet body 1 and facilitate the marked modification of the appearance of the helmet, the helmet body 1 further includes an outer covering 101 covering the outside. For example, the outer covering 101 may be made of flame retardant cloth, and the edge of the outer covering 101 is folded into the lower edge of the helmet body 1.

As shown in fig. 2 and 3, the helmet body 1 includes a main body 103 and a cushion layer 104 lining the inside of the main body 103. The body 103 is preferably made of Kevlar material, which has the characteristics of mature technology and good performance and is suitable for the adhesion and splicing of alloy plates on the surface thereof.

A plurality of vent holes 105 are uniformly distributed on the liner layer 104 positioned in the body 103; a plurality of vent grooves 106 are formed on the surface of the liner layer 104 attached to the inner surface of the body 103, the vent grooves 106 conduct the vent holes 105, and the open ends of the vent grooves 106 are arranged at the inner side of the lower edge of the helmet body 1 and communicated with the atmosphere; thus, the vent grooves 106 constitute communication between the respective vent holes 105 and the atmosphere outside the helmet body 1. The soft padding layer 104 can improve the comfort of the helmet for the head, and has the effects of buffering and shock absorption, and the ventilation holes 105 and the ventilation grooves 106 are formed on the padding layer 104, so that the ventilation of the head after the helmet is worn can be improved, and the comfort of the helmet is better.

In order to improve the protection performance of the bulletproof helmet, as shown in fig. 4, the core of the present embodiment is that an alloy layer 102 formed by attaching a plurality of alloy plates 120 to the surface of a body 103 in a conformal manner is disposed on the body 103; the alloy plate 120 is formed by splicing a plurality of alloy sheet units 121, at least one connecting rib 123 capable of forming connection with the adjacent alloy sheet units 121 is arranged at the edge of each alloy sheet unit 121, and the alloy plate 120 is formed by integrally connecting the alloy sheet units 121 through the connecting ribs 123. A following slit 122 is left between adjacent alloy sheet units 121, and when the alloy plate 120 is attached to the body 103 in a following manner, the shape of the following slit 122 can be changed according to the following bending of the alloy plate 120. By the arrangement, the multi-curved surface shape-following pasting difficulty of the alloy plate 120 on the body 103 can be reduced, and the pasting and positioning of each alloy sheet unit 121 on the body 103 are easier, so that the splicing and pasting efficiency can be improved.

Of course, the alloy layer 102 may be provided on the inner surface of the body 103, or may be provided on the outer surface of the body 103, and in the present embodiment, as shown in fig. 4, the alloy layer 102 is provided on the outer surface of the body 103 and covers the entire outer surface of the body 103. The alloy layer 102 is disposed on the outer surface of the body 103, which not only facilitates the attachment processing operation, but also facilitates the exertion of the anti-elastic performance of the alloy plate 120, and can pre-form the buffering and dispersion of the impact force.

Obviously, the alloy layer 102 may be formed by combining a plurality of alloy plates 120, or may be formed by using one alloy plate 120, and preferably, one alloy plate 120 is used. Specifically, as shown in fig. 5 in combination with fig. 6, the alloy plate 120 laid flat is circular as a whole, and a plurality of missing portions 124 are cut out in a centrosymmetric manner; when the alloy plate 120 is attached to the body 103, the alloy sheet units 121 on both sides of the missing part 124 are close and adjacent, so that the missing part 124 originally forms a gap similar to the following gap 122. Compared with the alloy layer 102 formed by splicing a plurality of alloy plates 120, the alloy plate 120 is used for completing the pasting operation on the body 103, which is not only beneficial to the arrangement of production and material preparation, but also beneficial to the improvement of production efficiency.

The shape of the alloy sheet unit 121 can be flexibly designed. As shown in fig. 5, except that the alloy sheet units 121 at the center of the alloy plate 120 are preferably regular hexagons, and the alloy sheet units 121 at the edge portion need to be cut into irregular shapes along with the shape of the edge portion, each alloy sheet unit 121 at the main body portion of the alloy plate 120 is preferably rectangular or trapezoidal and other quadrilateral shapes, which is beneficial to the realization of the shape-following splicing process, and the anti-impact and stress-bearing properties of the whole alloy plate 120 are more balanced, so that the whole protective performance of the helmet body 1 is better. In the case where the alloy sheet unit 121 corresponding to the center is hexagonal, the missing portion 124 may be provided in six shapes that are centrosymmetric with respect to the center alloy sheet unit 121. The alloy plate 120 shown as the neck part 11 in fig. 5 is attached to the neck part 11 of the helmet body 1.

In addition, as shown in fig. 4, the edge of the body 103 is configured with an outer edge slot 100, and the edge of the alloy layer 102 is inserted into the outer edge slot 100. The edge of the body 103 is provided with an outward-turned outer edge, and an outer edge slot 100 is processed on the outer edge, so that the edge of the alloy layer 102 can be accommodated, and the whole alloy layer 102 can be well positioned and firmly attached on the body 103.

As the material of the alloy plate 120, a high-strength alloy plate material, such as a rare earth titanium alloy plate, is preferably used. In the present embodiment, the TC4 titanium alloy plate is used as the alloy plate 120, so that the alloy layer 102 is lighter in weight, has excellent tensile strength, yield strength, elongation and other properties, has a good combustion barrier effect, and can well satisfy the performance requirements of the alloy layer 102 in the helmet body 1. The thickness of the alloy plate 120 can be adjusted according to the bulletproof performance requirement of the bulletproof helmet, and a titanium alloy plate with the thickness of 0.3-2mm is suitable, and 0.8mm is preferred. The alloy plate 120 is matched with the body 103 with proper thickness, the alloy plate and the body can meet the index requirements of various impact resistance performances, and the thickness and the weight of the whole helmet body 1 can be controlled within a relatively excellent range.

The alloy plate 120 is formed by laser cutting, and the shape-following seam 122 on the alloy plate is formed by laser cutting. The laser cutting is suitable for the cutting processing requirement of the alloy plate 120, and the size and the shape of the following seam 122 can be accurately controlled.

As shown in fig. 6, in order to maintain the necessary connection strength between the respective alloy sheet units 121 and the conformal coating performance of the entire alloy plate 120, the width d1 of the conformal seam 122 is preferably set to be 0.2 to 0.3 times the thickness of the alloy plate 120, and the width d2 of the connecting rib 123 is set to be 0.5 to 1 times the thickness of the alloy plate 120. The width d1 of the following seam 122 is set to be 0.2-0.3 times of the thickness of the alloy plate 120, which is beneficial to realizing the following bending of each alloy sheet unit 121 and basically eliminating the gap between each alloy sheet unit 121, thereby reducing the probability of the bullet hitting the following seam 122 and being beneficial to improving the bullet impact resistance of the helmet body 1. The width d2 of the connecting rib 123 is 0.5-1 times of the thickness of the alloy plate 120, so that the connecting rib can be prevented from being easily broken due to too narrow width and is not beneficial to realizing the shape-following bending of the whole alloy plate 120 due to too wide width.

According to the bulletproof helmet attached with the alloy plate, the alloy plate 120 is attached to the body 103 to form the alloy layer 102, so that the bullet resistance of the helmet body 1 can be improved, and the protection strength of the bulletproof helmet can be improved; the alloy plate 120 formed by the alloy sheet units 121 which are integrally connected by the connecting ribs 123 is spliced on the body 103 to form the alloy layer 102, so that the multi-curved surface conformal attaching difficulty of the alloy plate 120 on the body 103 can be reduced, the attaching and positioning of each alloy sheet unit 121 are facilitated, and the splicing and attaching efficiency is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bulletproof helmet coated with an alloy plate comprises a helmet body (1) and binding bands (2) connected to two sides of the helmet body (1), wherein the helmet body (1) comprises a body (103) and a liner layer (104) lined on the inner side of the body (103); the method is characterized in that:

the body (103) is provided with an alloy layer (102) formed by attaching a plurality of alloy plates (120) to the surface of the body (103) along the shape; the alloy plate (120) is formed by splicing a plurality of alloy sheet units (121), at least one connecting rib (123) capable of being connected with the adjacent alloy sheet units (121) is arranged at the edge of each alloy sheet unit (121), and the alloy plate (120) is formed by integrally connecting the alloy sheet units (121) through the connecting rib (123); a following slit (122) is reserved between the adjacent alloy sheet units (121), and when the alloy plate (120) is attached to the body (103) along the shape, the shape of the following slit (122) can be changed according to the following bending of the alloy plate (120).

2. The bulletproof helmet coated with an alloy sheet according to claim 1, wherein: the alloy layer (102) is arranged on the outer surface of the body (103) and covers the whole outer surface of the body (103).

3. The bulletproof helmet coated with an alloy sheet according to claim 2, wherein: the alloy layer (102) is composed of an alloy plate (120), the whole tiled alloy plate (120) is circular, and a plurality of missing parts (124) which are distributed in a centrosymmetric manner are cut; when the alloy plate (120) is attached to the body (103), the alloy sheet units (121) located on both sides of the missing portion (124) are close and adjacent.

4. The bulletproof helmet coated with an alloy sheet according to claim 2, wherein: the edge of the body (103) is provided with an outer edge slot (100), and the edge part of the alloy layer (102) is inserted into the outer edge slot (100).

5. A bulletproof helmet coated with an alloy sheet according to any one of claims 1 to 4, wherein: the following seam (122) is formed by laser cutting.

6. The bulletproof helmet coated with an alloy sheet according to claim 5, wherein: the alloy plate (120) is a TC4 titanium alloy plate.

7. The bulletproof helmet coated with an alloy sheet according to claim 6, wherein: the thickness of the TC4 titanium alloy plate is between 0.3 and 2 mm.

8. The bulletproof helmet coated with an alloy sheet according to claim 7, wherein: the width of the conformal seam (122) is 0.2-0.3 times of the thickness of the alloy plate (120).

9. The bulletproof helmet coated with an alloy sheet according to claim 7, wherein: the width of the connecting rib (123) is 0.5-1 time of the thickness of the alloy plate (120).

10. The bulletproof helmet coated with an alloy sheet according to claim 5, wherein: the body (103) is made of Kevlar materials.

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