JP2717694B2 - Bulletproof panel - Google Patents

Description

The present invention relates to bulletproof panels. In other words, it prevents penetration of shotgun bullets, other bullets, and small fragments thereof, and prevents and protects the human body, important equipment, and the like due to these.
It is about bulletproof panels.

[Related Art] Conventionally, as such a bulletproof material, the following various bulletproof plates composed of a single material, that is, a single body, have been used.

First, a woven fabric of high elastic polymer fiber such as polyethylene fiber and para-aramid fiber impregnated with resin is laminated and formed into a plate shape. Such a bullet-resistant plate,
It is known that the elastic force of a high elastic polymer fiber such as polyethylene fiber or para-aramid fiber, due to its high tensile strength, absorbs and attenuates the impact force of the bullet that has been hit, that is, the kinetic energy of the bullet. I have.

Second, bulletproof steel plates have been used. This bulletproof board
It is known that hardness and strength are excellent.

Third, ceramic plates have also been used as bulletproof plates.

Fourth, a polycarbonate plate has been used. This bulletproof plate is known for its excellent elasticity based on the hardness and strength of polycarbonate.

Further, in addition to the bullet-resistant plate constituted by such a single body, various bullet-resistant panels have recently been developed. That is, as disclosed in, for example, Japanese Patent Application Laid-Open No. 62-210397, a laminated bullet-resistant panel in which the above-described various single bullet-resistant plates and the like are laminated in a panel shape and thus have the characteristics thereof has been recently developed. Have been.

"Problems to be Solved by the Invention" By the way, the following problems have been pointed out in such conventional bulletproof boards and bulletproof panels.

First, the bulletproof plate of the conventional example 1 is as follows. That is, high-elasticity polymer fibers such as para-aramid fibers are very expensive, and a large number of such fibers are laminated to improve the elasticity resistance.

Second, the bulletproof plate of Conventional Example 2 is as follows. That is, the bullet-resistant steel sheet has a defect that the weight is very heavy, so that it is inconvenient to use and inconvenient to handle.

Thirdly, the bulletproof plate of Conventional Example 3 is as follows. That is, the ceramic plate is expensive and brittle, and it is difficult to form a ceramic plate having a larger area.

Fourth, the bullet-resistant plate of Conventional Example 4 is as follows. That is, since the polycarbonate plate is expensive and used in a considerable thickness for improving the elasticity resistance, there is a problem in terms of cost, and it is pointed out that it is heavy and inconvenient to handle. Further, such a polycarbonate plate has a problem that the melting point is low, and the melt resistance is impaired, such as local melting due to the frictional heat of the shot bullet, losing its hardness and strength and forming a large hole. It was pointed out that it could happen.

Fifth, the bulletproof panel described above is as follows. That is, for example, a recently developed laminated ballistic resistant panel as disclosed in Japanese Patent Application Laid-Open No. 62-210397 has a complicated structure and is problematic in cost, and is generally heavy and very inconvenient to handle. Was pointed out.

 In the prior art, such a point was pointed out.

The present invention has been made in view of such circumstances, and has been made to solve the problems of the above conventional example, a woven board of a high-elastic polymer fiber impregnated with resin, a honeycomb structure and a support plate. By adopting for the first time a multi-layer structure that is combined in a predetermined order in view of its characteristics and functions, first, it has excellent elasticity, second, it is excellent in cost, and third, it has a large area. Fourth, lightweight, and fifth
Another object of the present invention is to propose a high-performance bulletproof panel in which the damage of the support plate due to heat is reduced or prevented.

Further, by filling the honeycomb structure with a lightweight heat-resistant material, the damage of the support plate due to heat can be reduced and prevented more reliably, and the cell wall of the honeycomb structure is buckled, so that the entire structure is buckled. It is also an object of the present invention to propose a high-performance bulletproof panel capable of reducing the thickness of the panel.

"Means for Solving the Problems" The technical means of the present invention for achieving the object is as follows.

First, the bulletproof panel according to claim 1 has a multilayer structure in which a woven fabric plate of a high elastic polymer fiber impregnated with a resin, a honeycomb structure, and a support plate are sequentially joined from the front side to the back side. Have.

The woven board is made of a resin-impregnated high-elastic polymer fiber laminated in a suitable number to form a plate. That is, it functions to absorb and attenuate kinetic energy.

Further, the honeycomb structure is composed of a planar aggregate of hollow columnar cells formed by cell walls, and due to its characteristic impact force dispersibility, that is, buffering property, the impact of the bullet received by the woven fabric plate is obtained. It functions to widely disperse the force, that is, the kinetic energy, and further attenuate it.
It is characterized in that it functions to spread the frictional heat generated in the bullet by being hit by the woven fabric plate and to block it to the next supporting plate.

According to a second aspect, in the bulletproof panel of the first aspect, each cell of the honeycomb structure is filled with a lightweight heat-resistant material.

According to a third aspect of the present invention, in the bulletproof panel according to the first or second aspect, at least a part of a cell wall forming each cell of the honeycomb structure is buckled.

[Operation] The bulletproof panel according to the present invention is constituted by such means, and operates as follows.

This bulletproof panel has a multilayer structure of a woven fabric plate of high elastic polymer fibers impregnated with resin in order from the front side, a honeycomb structure, and a support plate.

Therefore, first, the woven fabric plate of the high elastic polymer fiber impregnated with the resin absorbs and attenuates the impact force received by the shot bullet, that is, the kinetic energy of the bullet, by elongation deformation based on its high tensile strength. Let it. Further, the honeycomb structure located next thereto also widely disperses and further attenuates the impact force received by the woven fabric plate, that is, the kinetic energy of the bullet, due to its impact force dispersibility.

Second, the combination of the woven fabric plate and the honeycomb structure can extremely effectively attenuate the kinetic energy of the shot bullet. Thus, the woven fabric plate can be used with a smaller thickness, such as by reducing the number of woven fabrics to be laminated.

Third, since the whole is formed from the woven fabric plate, the honeycomb structure, and the support plate, the structure is simple and molding of a large area is easy.

Fourth, it is possible to reduce the thickness of the woven fabric plate of the high-elasticity polymer fibers impregnated with the resin, and to reduce the overall weight together with the lightness of the honeycomb structure. I have.

Fifth, the frictional heat generated by the shot bullets is widely diffused and blocked by the heat dissipation of the honeycomb structure. Therefore, damage to the next supporting plate due to frictional heat of the bullet is reduced and prevented.

Further, the bulletproof panel according to the second aspect is as follows in addition to the above.

That is, the honeycomb structure is filled with a lightweight heat-resistant material. Then, the frictional heat generated in the shot bullets is widely spread and strongly blocked by the heat-resisting material in addition to the heat dissipation of the honeycomb structure. Therefore, the possibility that the next supporting plate is damaged by the frictional heat of the bullet is significantly reduced. Since the lightweight heat-resistant material is filled in each cell, the honeycomb structure is filled uniformly and without uneven distribution even after the fact.

Further, the bulletproof panel according to the third aspect is as follows in addition to the above.

That is, in the honeycomb structure, at least a part of the cell wall is buckled, and the thickness is reduced accordingly. Therefore, the overall thickness is reduced without impairing the above-mentioned operations, and handling and the like are facilitated.

"Examples" Hereinafter, the present invention will be described in detail based on examples shown in the drawings.

 FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.

 First, the configuration and the like will be described.

This bulletproof panel has a multilayer structure in which a woven fabric plate 1 of a high elastic polymer fiber impregnated with a resin, a honeycomb structure 2 and a support plate 3 are joined in order from the front side to the back side. Do it.

More specifically, the woven fabric board 1 made of a high-elastic polymer fiber impregnated with a resin is obtained by impregnating the resin with, for example, a woven fabric of a high-elastic polymer fiber such as a polyethylene fiber or a para-aramid fiber. Can be Then, the woven fabric is used by laminating an appropriate number of sheets, and by the elongation deformation based on its characteristic high tensile strength, the impact force received by the shot bullet P, that is, the kinetic energy of the bullet P is absorbed and attenuated. It is known that para-aramid fibers have excellent elastic resistance, especially those having para-aramid fibers.

The honeycomb structure 2 such as a honeycomb core is formed of a planar aggregate of cells 5 in the form of a regular hexagon and other hollow columns formed by the cell walls 4. As the material, a thin plate of aluminum is typically used, but other thin plates of various metals and the like are appropriately selected and used according to the application. The end faces of both cells of the honeycomb structure 2 are joined to the woven fabric plate 1 and the support plate 3 by an adhesive or the like.

It is known that the honeycomb structure 2 has the following characteristics. That is, first, it is excellent in weight ratio strength, and has high rigidity and strength as well as high lightness. Also, it is excellent in planar accuracy, easy to mold, and excellent in cost.
In addition, the air layer in the cell 5 provides high heat dissipation and air cushioning properties, and the cell walls 4 provide a high impact force dispersibility, that is, a high cushioning property, because the cells 5 are assembled in a plane.

As the support plate 3, a plate body made of aluminum, various light metals, resin, or the like is used. For example, a polycarbonate plate body may be used. Is obtained.

In the illustrated embodiment, a surface plate A having excellent weather resistance is joined to the outer surface as the front surface of the woven fabric plate 1 described above. That is, since the woven fabric plate 1 is made of a high-elasticity polymer fiber, it has poor weather resistance. However, if the front surface of the woven fabric plate 1 is covered with the surface plate A as described above, the weather resistance of the whole bulletproof panel is reduced. improves. In other words, a woven fabric plate 1 of high elastic polymer fiber
Is not directly exposed to the outside air, so that the bulletproof panel of the illustrated embodiment has excellent durability against ultraviolet rays and rainwater of the sun, and thus has an advantage that it can be used even in a place directly exposed to the outside air.

As such a surface plate A, a plate body made of aluminum, various light metals, resin, or the like is used. Surface plate A
When a polycarbonate plate is used as the material, there is an advantage that the bullet P is more excellent in attenuating kinetic energy of the bullet P based on its hardness and strength, that is, in elasticity resistance.

 The above is the description of the configuration and the like.

 The operation and the like will be described below.

The bulletproof panel prevents penetration of rifle bullets and other bullets P from the front side thereof and small fragments thereof, thereby preventing and protecting the human body, important equipment and the like on the rear side thereof. The bulletproof panel comprises a woven fabric plate 1 of high elastic polymer fiber impregnated with resin in order from the front side, a honeycomb structure 2 and a support plate 3.
And a multilayer structure.

Therefore, this bulletproof panel is the first, second, third, fourth, fifth
It becomes like.

First, the resin-impregnated woven fabric plate 1 made of a high-elastic polymer fiber, due to the elongation deformation due to its high tensile strength, reduces the impact force received by the bullet P received from the front side, that is, the kinetic energy of the bullet P. Absorbs and attenuates. And furthermore
The honeycomb structure 2 located next thereto also has an impact force dispersibility, which is a characteristic thereof, of the impact force received by the woven fabric plate 1, that is, the bullet P
Kinetic energy is widely dispersed and further attenuated.

Secondly, the kinetic energy of the bullet P that has been hit is extremely effectively attenuated by the combination of the woven board 1 of the high elastic polymer fibers impregnated with the resin and the honeycomb structure 2. Therefore, the woven fabric plate 1 made of a high elastic polymer fiber impregnated with a resin can be used with a smaller thickness, such as by reducing the number of woven fabrics to be laminated. For example, this bullet-resistant panel is laminated compared to a conventional example having the same degree of elasticity, that is, a bullet-resistant plate made of a single woven fabric plate of high-elastic polymer fibers impregnated with resin. The number of woven fabrics can be reduced and the thickness can be reduced.

Third, since the whole is formed of the woven fabric plate 1 of the high-elastic polymer fiber impregnated with the resin, the honeycomb structure 2 and the support plate 3, the structure is simple and molding of a large area is also possible. Easy. In other words, the structure is simpler than that of the conventional laminated ballistic-resistant panel, and it is not difficult to form a large-area one as in the conventional ballistic-resistant plate of the ceramic plate unit.

Fourth, it is possible to reduce the thickness of the woven fabric plate 1 made of a high elastic polymer fiber impregnated with a resin, and to use the honeycomb structure 2 together with its light weight as a characteristic, so that the overall weight is reduced. Weight is reduced.

Fifth, the frictional heat generated in the bullet P by being hit on the woven fabric plate of the high elastic polymer fiber impregnated with the resin is widely diffused and blocked by the heat dissipation of the honeycomb structure 2. Therefore, damage to the next supporting plate 3 due to frictional heat of the bullet P is reduced and prevented.

 The above is the description of the operation and the like.

When such a bulletproof panel is attached to another structure or the like and used, mounting members such as bolts and brackets are used, and the attachment and detachment and replacement thereof are easy.

“Others” Next, FIG. 2 is a longitudinal sectional view showing an example in which the lightweight heat-resistant material 6 is filled in the honeycomb structure 2.

This will be described below. In this bulletproof panel, each cell 5 of the honeycomb structure 2 is filled with a lightweight heat resistant material 6. As the lightweight heat-resistant material 6, a ceramic fiber is typical, but asbestos, anti-fire stone, or the like may be used.

Thus, the bulletproof panel shown in FIG.
Is filled with the lightweight heat-resistant material 6, the following is obtained.

That is, the frictional heat generated in the bullet P by being hit on the woven fabric plate 1 of the high elastic polymer fiber impregnated with the resin is combined with the heat dissipation of the honeycomb structure 2 itself and the presence of the lightweight heat-resistant material 6. Widely spread and strongly blocked. Thus, damage to the next supporting plate 3 due to frictional heat of the bullet P is significantly reduced. For example, when a polycarbonate plate is used as the support plate 3, the situation where the plate is melted by the heat is reduced. Thus, the example of FIG. 2 is particularly excellent in the fifth point described above.

Since the lightweight heat-resistant material 6 is filled in each cell 5, it is uniformly filled in the honeycomb structure 2, and is also filled without being unevenly distributed even after the fact.

 The above is the description of the example of FIG.

Next, FIG. 3 is a longitudinal sectional view showing an example in which the honeycomb structure 2 is buckled.

This will be described below. In this bulletproof panel, the cell wall 4 forming each cell 5 of the honeycomb structure 2 is provided.
Is at least partially buckled. That is, the cell wall 4 is buckled or crashed in its entirety in the cell axis direction or a part thereof along the cell axis direction, that is, one end, as shown in the illustrated example, by the applied compressive force. This buckling needs to be performed to such an extent that the impact force dispersibility, which is a characteristic of the honeycomb structure 2 described above, is not impaired, that is, it is not excessively buckled.

Further, regardless of the illustrated example, the honeycomb structure 2 in which the cells 5 are filled with the lightweight heat-resistant material 6 as shown in FIG. 2 may have the cell walls 4 buckled. In this case, when filling the cell 5 with the lightweight heat-resistant material 6 in advance, care must be taken not to overfill the cell. In other words, after the fact, there is a sufficient air layer in the cell 5 in which the cell wall 4 is buckled, and the light-weight heat-resistant material 6 is used so that the heat dissipation and the air cushioning, which are the characteristics of the honeycomb structure 2 described above, are not impaired. It is necessary to adjust the filling amount.

As described above, the bulletproof panel shown in FIG. 3 and the like is as follows because the cell wall 4 of the honeycomb structure 2 is at least partially buckled. That is, the cell wall 4 is shortened by the amount of the buckling, that is, the thickness of the honeycomb structure 2 in the cell axis direction is reduced. Therefore, the entire bulletproof panel has a reduced thickness without any impairment of the above-described operations and the like, and is easy to handle.

 The above is the description of the example of FIG.

In the examples of FIGS. 2 and 3 described above,
Since the configuration, machine, operation, and the like of each of the other members are the same as those described in the example of FIG. 1, the same reference numerals are given and the description thereof is omitted.

[Effects of the Invention] As described above, the bulletproof panel according to the present invention is characterized in that a woven board, a honeycomb structure, and a support board of a high-elastic polymer fiber impregnated with a resin are subjected to a predetermined The following effects are exhibited by adopting the multilayer structure combined in order for the first time.

First, the kinetic energy of a bullet that has been hit is effectively attenuated by the combination of a woven board of resin-impregnated high-elastic polymer fibers and a honeycomb structure. Thus, the bulletproof panel is extremely excellent in elasticity.

Secondly, because of the excellent elasticity resistance, the thickness of the expensive woven high-elasticity polymer fiber woven board can be reduced. Therefore, the bulletproof panel is particularly excellent in cost in view of the fact that the overall configuration is simple and the manufacture is easy.

Third, the bullet-resistant panel is composed of a woven fabric plate, a honeycomb structure, and a support plate, and has a simple overall configuration, and can easily be formed with a large area.

Fourth, the weight of the entire structure is reduced by a combination of a woven fabric plate of high elastic polymer fibers impregnated with a resin and a honeycomb structure. Therefore, this bulletproof panel is easy to use and extremely easy to handle.

Fifth, in this bullet-resistant panel, the frictional heat generated by the bullet that has been hit is widely diffused and blocked by the heat dissipation of the honeycomb structure. Therefore, the damage of the support plate located next to the frictional heat of the shot bullet is reduced or prevented. This bullet-resistant panel is also excellent in elasticity from this aspect.

Next, the bulletproof panel according to claim 2 exhibits the following effects in addition to the above.

That is, since the honeycomb structure is filled with a lightweight heat-resistant material, damage to the support plate due to the frictional heat of the bullet that was hit is significantly reduced, and the bulletproof panel has excellent elasticity from this aspect as well. I have. As described above, the bulletproof panel according to claim 2 is particularly excellent in the fifth point described above. Furthermore, the bulletproof panel is excellent in quality in that the lightweight heat resistant material is uniformly filled in the honeycomb structure and is not unevenly distributed even after the fact.

Further, the bulletproof panel according to the third aspect exhibits the following effects in addition to the above-mentioned effects.

That is, since the cell wall is buckled, the thickness of the honeycomb structure is reduced accordingly. Therefore, the bulletproof panel is thinner and more compact than the entire thickness, and is easy to handle and easy to handle from this aspect.

As described above, the effects exhibited by the present invention are remarkably large, for example, the problems existing in this type of conventional example are eliminated.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a bulletproof panel according to the present invention. FIG. 2 is a longitudinal sectional view showing an example in which a lightweight heat-resistant material is filled in the honeycomb structure. FIG. 3 is a longitudinal sectional view showing an example in which the honeycomb structure is buckled. DESCRIPTION OF SYMBOLS 1 ... Woven board 2 ... Honeycomb structure 3 ... Support plate 4 ... Cell wall 5 ... Cell 6 ... Lightweight heat-resistant material A ... Surface plate P ... Bullet

Claims (3)

(57) [Claims] 1. A multilayer structure in which a woven fabric plate of a high elastic polymer fiber impregnated with a resin, a honeycomb structure, and a support plate are sequentially joined from a front side to a back side, The woven board is made of a high-elastic polymer fiber impregnated with a resin, and is laminated in a suitable number to form a plate. The honeycomb structure functions to absorb and attenuate kinetic energy, and the honeycomb structure is composed of a planar aggregate of hollow columnar cells formed by cell walls. It functions to widely disperse and further attenuate the impact force, that is, the kinetic energy of the bullet received by the woven fabric plate, and furthermore, due to its characteristic heat radiation property, the frictional heat generated in the bullet by being hit by the woven fabric plate Spread widely, The ballistic panel, characterized in that, the functions to shut off with respect to the support plate for. 2. The bulletproof panel according to claim 1, wherein each cell of the honeycomb structure is filled with a lightweight heat resistant material. 3. The cell wall forming each cell of the honeycomb structure, wherein at least a part of the cell wall is buckled.
Or the bulletproof panel according to claim 2.