CN114801366B - Laminated bulletproof glass - Google Patents

Laminated bulletproof glass Download PDF

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Publication number
CN114801366B
CN114801366B CN202210400645.9A CN202210400645A CN114801366B CN 114801366 B CN114801366 B CN 114801366B CN 202210400645 A CN202210400645 A CN 202210400645A CN 114801366 B CN114801366 B CN 114801366B
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China
Prior art keywords
glass
buffer layer
bullet
buffer
layer
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CN202210400645.9A
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Chinese (zh)
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CN114801366A (en
Inventor
麻建明
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Hebei Antaifuyuan Safety Equipment Manufacturer Co ltd
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Hebei Antaifuyuan Safety Equipment Manufacturer Co ltd
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Priority to CN202210400645.9A priority Critical patent/CN114801366B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10366—Reinforcements of the laminated safety glass or glazing against impact or intrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates, anti-ballistic clothing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22—Glazing, e.g. vaccum glazing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention belongs to the technical field of bulletproof glass, in particular to laminated bulletproof glass, which comprises a pair of mutually matched glass plates; a gap is formed between the two glass plates, a wavy buffer layer is arranged in the gap, the buffer layer consists of a metal net and a PVB layer wrapped on the outer surface of the metal net, the middle part of a convex part on one side of the buffer layer is adhered to the side wall of the glass plate, rigid press blocks are arranged at the concave parts corresponding to the side, adhered to the glass plate, of the buffer layer, press plates are symmetrically connected to the side wall of the buffer layer corresponding to the inner side of each press block, the buffer layers on the two sides can be compressed through the press plates when the press blocks are pressed, and the end parts of the two glass plates are connected through the plugging plates; according to the bullet-proof glass, the structure is provided, so that the buffer layer in the bullet-proof glass can play an effective role in buffering the impact force of a bullet, and the bullet is prevented from penetrating through the glass.

Description

Laminated bulletproof glass
Technical Field
The invention belongs to the technical field of bulletproof glass, and particularly relates to laminated bulletproof glass.
Background
The bulletproof glass is a composite material obtained by special processing of glass and high-quality engineering plastics, and bulletproof glasses produced by different manufacturers are different. But basically, a polycarbonate material layer is sandwiched between common glass layers, a process known as lamination. In this process, a substance similar to but thicker than ordinary glass is formed. Polycarbonate is a hard transparent plastic. The thickness of the bullet-proof glass is between 7 mm and 75 mm. Bullets that strike bullet-proof glass break the glass of the outer layer, but the polycarbonate glass material layer is able to absorb the energy of the bullet, preventing it from penetrating the glass inner layer.
In the prior art, some technical schemes related to bulletproof glass also appear, such as a Chinese patent with the patent number 2013104045346, the invention provides explosion-proof glass which is composed of a composite toughened glass unit, a bulletproof glass unit and a PC board, wherein the composite toughened glass unit, the bulletproof glass unit and the PC board are connected reliably in sequence, a separation groove and a sealant are arranged between the composite toughened glass unit and the bulletproof glass unit, a sealed hollow layer is formed through the separation groove, the bulletproof glass unit and the PC board are reliably connected through a PU film, the PU film thickness is not lower than 1 mm, the composite laminated glass unit is formed by compounding at least two layers of toughened glass through a PVB adhesive layer, the bulletproof glass unit is formed by compounding a plurality of layers of glass through PVB adhesive layers, the thickness of the separation groove is not lower than 25 mm, and the composite toughened glass unit is of a hollow structure, and the inside is filled with a drying agent. This novel structure that adopts compound toughened glass unit, cavity unit, bullet-proof glass unit and PC to set up large-scale vacuum layer between compound toughened glass unit, bullet-proof glass unit, very big reinforcing glass whole off-load ability, thereby reach the effect that promotes the explosion-proof ability.
However, the bullet-proof glass in the technology has limited buffering effect on bullets, so that the bullet-proof glass still can be broken or broken under strong bullet impact, and the service effect and the service life of the bullet-proof glass are affected.
In view of the above, the invention provides laminated bulletproof glass and a preparation process thereof, and the structure of the bulletproof glass is adopted, so that the buffer layer in the laminated bulletproof glass can play an effective role in buffering the impact force of bullets, and the bullets are prevented from penetrating through the glass.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the laminated bulletproof glass and the preparation process thereof, and the buffer layer in the laminated bulletproof glass can play an effective role in buffering the impact force of bullets by arranging the structure of the bulletproof glass, so that the bullets are prevented from penetrating through the glass.
The technical scheme adopted for solving the technical problems is as follows: a laminated bulletproof glass comprises a pair of mutually matched glass plates; a gap is formed between the two glass plates, a wavy buffer layer is arranged in the gap, the buffer layer consists of a metal net and a PVB layer wrapped on the outer surface of the metal net, the side walls of the buffer layer are attached to the side walls of the glass plates on the two sides, the middle part of a convex part on one side of the buffer layer is adhered to the side walls of the glass plates, rigid press blocks are arranged at the concave parts corresponding to the side, where the buffer layer is adhered to the glass plates, of the buffer layer, pressing plates are symmetrically connected to the side walls, corresponding to the inner sides of the press blocks, of the buffer layer on the two sides can be compressed through the pressing plates when the press blocks are pressed, and the end parts of the two glass plates are connected through the plugging plates; when the bullet-proof glass works, the buffer effect of the bullet-proof glass in the prior art is limited, so that the bullet-proof glass still can be broken or broken under the impact of strong bullets, and the using effect and the service life of the bullet-proof glass are affected; when the bullet-proof glass is used, the glass plate surface close to the pressing block faces to the side which is easy to attack, if the outside bullet breaks through the glass plate, if the attack position of the bullet falls on the bulge position of the buffer layer close to one side of the pressing block, the bullet can compress the buffer layer which can elastically deform to two sides through extrusion at the position, so that the impact force of the bullet can be effectively buffered, the situation that the bullet breaks through the glass is prevented, if the attack position of the bullet falls on the concave position of the buffer layer, the bullet can fall on the pressing block, and the buffer layers at two sides are respectively compressed through the pressing block and the pressing plate, so that the bullet can also have an effective buffering effect, and if the bullet falls on any position of the buffer layer, the bullet can be effectively buffered through the pressing block matched with the buffer layer, and the bullet-proof effect of the glass is greatly improved; meanwhile, when the glass plate facing the attack part is broken, the glass plate is bonded with the PVB layer in toughness, so that fragments of the broken glass plate still can be bonded with the PVB layer after the broken glass plate is damaged, the glass can keep certain integrity, personal injury or property loss caused by falling of the fragments of the glass is prevented, and the use effect of the bulletproof glass is further improved.
Preferably, the side wall positions of the buffer layer, which are opposite to the pressing block, are respectively provided with an adsorption cavity, and the adsorption cavities can be adsorbed on one side of the glass plate; during operation, adsorb the chamber through with adsorbing on the glass board of one side for the buffer layer can drive the adsorption chamber and slide relatively on the glass board when the atress warp, does not influence the effective work of buffer layer, and a plurality of sealed cavity relatively can be constituteed with this glass board to the buffer layer simultaneously, and the gas in the sealed cavity can play certain support and reverse effect to the deformation of the buffer layer of one side this moment, thereby indirectly improved the buffer effect of buffer layer to the bullet.
Preferably, the pressing block is spherical, and the buffer layers on two sides can be compressed by the pressing plate when the pressing block is pressed; during operation, through setting up the shape of briquetting, when bullet is beaten in briquetting department, bullet head can move to both sides under the direction effect of briquetting arcwall face this moment to can change the motion track of bullet, and make the bullet exert relative vertically effort to buffer layer lateral wall after deflecting, thereby make the bullet can obtain more effective buffering, prevent bullet head and glass board vertical action and lead to the glass to be shot the condition of wearing easily.
Preferably, a hollow cavity is formed in the pressing block, a discharge hole is formed in one end, close to the adsorption cavity, of the pressing block, a sealing layer for sealing the hollow cavity is arranged in the discharge hole, glue is filled in the hollow cavity, and bayonet cutters are respectively connected to the side walls of the buffer layer corresponding to the discharge hole; when the bullet is beaten on the briquetting and the briquetting is driven to move to one side of the bayonet, the bayonet can puncture the blocking layer at the moment, glue in the hollow cavity flows out and fills the cavity between the buffer layer and the glass plates, the glue can slow down the movement strength of the bullet at the moment, the bullet is prevented from moving back and forth between the two glass plates under the rebound of the buffer layer, the damage to the glass plates is avoided, the glue can be gradually solidified after encountering air, and the mouth broken by the bullet on the glass plates is bonded and blocked, so that the strength of the glass after being attacked by the bullet is improved, and the falling of glass fragments is reduced.
Preferably, a buffer groove is formed in one side, opposite to the discharge hole, of the pressing block, a rubber layer is arranged in the buffer groove, a partition plate is arranged on the side wall of the hollow cavity and the side wall close to the buffer groove, and a buffer block is filled in a sealing cavity formed by the partition plate and the side wall of the hollow cavity; when the bullet is beaten in the buffer groove, the rubber layer and the buffer layer can play a certain buffering effect on the impact of the bullet in advance, so that the bulletproof effect of the glass is further improved.
Preferably, a guide block is arranged at one end of the hollow cavity far away from the buffer groove, and inclined planes capable of forming an included angle are symmetrically arranged at one end of the guide block close to the partition plate; when the bullet penetrates from the buffer groove and penetrates through the partition plate, the movement track of the bullet can incline to one side under the guiding action of the inclined surface, so that the buffer layer can play a more effective buffering effect on the bullet which is relatively vertical, and the bullet-proof glass is further prevented from being penetrated.
Preferably, a group of elastic buffer strips are respectively connected to the inclined surfaces, and each group of buffer strips is connected through a rigid connecting rod; when the bullet is beaten on the buffer strip on one side under the action of the guide block in operation, the buffer strip can be bent and deformed under the action of the connecting rod, and a certain buffer effect is achieved on the bullet, so that the damage of the bullet to glass is further reduced.
Preferably, the buffer strips are internally provided with air cavities, the connecting rods are internally provided with air passages communicated with the air cavities respectively, and the side walls of the hollow cavities corresponding to one end of the inclined surfaces, which are close to the discharge holes, are provided with needles respectively; when the bullet belt is used for driving the buffer strips to bend and deform, the buffer strips close to the pricking needles can be pricked by the pricking needles when the bullet belt is deformed, so that air in the air cavity is extruded, the rapid solidification effect of glue is promoted, the situation that the glue in the hollow cavity is difficult to contact with the air outside and solidify slowly is prevented, and the using effect of the glue is further improved.
Preferably, a telescopic bag is arranged in the air cavity close to the partition plate, and is in a compressed state under the action of air pressure of the air cavity; when the operation, when being close to the cushion strip of pjncture needle and pricked, the flexible bag can more abundant extrusion of the inside air of cushion strip when expanding under self elastic effect this moment to can more effective promotion glue's work.
The preparation process of the laminated bulletproof glass is suitable for the bulletproof glass and comprises the following process steps:
s1: firstly, mounting a plugging plate at the end part of one glass plate through glue, so that the plugging plate and the glass plate form a mounting cavity;
s2: then wrapping the PVB layer on a metal net to form an integrated buffer layer, and placing the buffer layer in an installation cavity;
s3: and then respectively placing the pressing blocks at the concave parts on the exposed side of the buffer layer, and bonding the other glass plate with the end parts of the plugging plate, and simultaneously bonding the middle parts of the convex parts on the exposed side of the buffer layer with the side walls of the glass plate, thereby forming the required bulletproof glass.
The beneficial effects of the invention are as follows:
1. according to the bullet-proof glass, the structure is adopted, so that the buffer layer in the bullet-proof glass can play an effective role in buffering the impact force of bullets, the situation that bullets shoot through the glass is prevented, meanwhile, when the glass plate facing an attack part is broken, the glass plate is bonded with the PVB layer of the buffer layer due to the toughness of the PVB layer, fragments of the glass plate still can be bonded with the PVB layer after the glass plate is broken, the glass can keep certain integrity, personal injury or property loss caused by falling of glass fragments is prevented, and the use effect of the bullet-proof glass is further improved.
2. According to the invention, by arranging the shape of the pressing block, the bullet head can move to two sides under the guiding action of the arc surface of the pressing block, so that the movement track of the bullet can be changed, and the bullet can apply relatively vertical acting force to the side wall of the buffer layer after deflection, so that the bullet can be more effectively buffered, and the condition that glass is easy to be shot through due to the vertical action of the bullet head and the glass plate is prevented.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a process step diagram of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the buffer strip of the present invention;
in the figure: glass plate 1, gap 2, buffer layer 3, metal mesh 4, PVB layer 5, briquetting 6, clamp plate 7, shutoff plate 8, adsorption cavity 9, hollow cavity 10, shutoff layer 11, glue 12, bayonet 13, rubber layer 14, baffle 15, buffer block 16, guide block 17, inclined plane 18, buffer strip 19, connecting rod 20, air cavity 21, air flue 22, felting needle 23, flexible bag 24.
Detailed Description
The invention is further described in the following description in conjunction with the embodiments, so that the technical means, the creation features, the achievement of the purpose and the effect achieved by the invention are easy to understand.
As shown in fig. 1 to 4, the laminated bulletproof glass of the present invention comprises a pair of glass plates 1 which are matched with each other; a gap 2 is arranged between the two glass plates 1, a wavy buffer layer 3 is arranged in the gap 2, the buffer layer 3 is composed of a metal net 4 and a PVB layer 5 wrapped on the outer surface of the metal net 4, the side wall of the buffer layer 3 is attached to the side walls of the glass plates 1 on two sides, the middle part of the protruding part on one side of the buffer layer 3 is adhered to the side walls of the glass plates 1, rigid press blocks 6 are arranged at the concave parts corresponding to the side, adhered to the glass plates 1, of the buffer layer 3, on the inner side of the press blocks 6, of the buffer layer 3, pressing plates 7 are symmetrically connected, when the press blocks 6 are pressed, the buffer layer 3 on two sides can be compressed through the pressing plates 7, and the end parts of the two glass plates 1 are connected through a plugging plate 8; when the bullet-proof glass works, the buffer effect of the bullet-proof glass in the prior art is limited, so that the bullet-proof glass still can be broken or broken under the impact of strong bullets, and the using effect and the service life of the bullet-proof glass are affected; when the bullet-proof glass is used, the glass plate 1 close to the pressing block 6 faces the side which is easy to attack, if an external bullet breaks through the glass plate 1, if the attack position of the bullet falls on the bulge part of the buffer layer 3 close to one side of the pressing block 6, the bullet can compress the buffer layer 3 which can elastically deform to two sides through extrusion of the bulge part, so that the impact force of the bullet can be effectively buffered, the situation that the bullet breaks through the glass is prevented, if the attack position of the bullet falls on the concave part of the buffer layer 3, the bullet can fall on the pressing block 6 at the moment, and the buffer layer 3 at two sides is driven by the pressing block 6 and the pressing plate 7 to compress to two sides respectively, so that the bullet can also have an effective buffering effect, and the bullet can be effectively buffered no matter falling on any position of the buffer layer 3 by arranging the pressing block 6 matched with the buffer layer 3, so that the bullet-proof effect of the glass is greatly improved; meanwhile, when the glass plate 1 facing the attack part is broken, at the moment, the glass plate 1 and the PVB layer 5 are bonded with each other in a ductile way, so that fragments of the glass plate 1 still can be bonded with the PVB layer 5 after being damaged, the glass can keep certain integrity, personal injury or property loss caused by falling of the glass fragments is prevented, and the use effect of the bulletproof glass is further improved.
As one embodiment of the present invention, the side wall positions of the buffer layer 3 opposite to the pressing block 6 are respectively provided with an adsorption cavity 9, and the adsorption cavities 9 can be adsorbed on the glass plate 1 at one side; during operation, adsorb the adsorption cavity 9 on the glass board 1 of one side for buffer layer 3 can drive adsorption cavity 9 and slide relatively on glass board 1 when the atress warp, do not influence buffer layer 3's effective work, buffer layer 3 and this glass board 1 can constitute a plurality of sealed cavity relatively simultaneously, and the gas in the sealed cavity can play certain support and reverse effect to the deformation of buffer layer 3 of one side this moment, thereby indirectly improved buffer layer 3's buffering effect to the bullet.
As one embodiment of the present invention, the pressing block 6 has a spherical shape, and the buffer layers 3 on both sides can be compressed by pressing the pressing plate 7 when the pressing block 6 is pressed; during operation, through setting up the shape of briquetting 6, when bullet is beaten in briquetting 6 department, bullet head can be under the direction effect of briquetting 6 arcwall face to both sides motion this moment to can change the motion track of bullet, and make the bullet exert relative vertically effort to buffer layer 3 lateral wall after deflecting, thereby make the bullet can obtain more effective buffering, prevent bullet head and glass board 1 vertical action and lead to the glass to be shot the condition of wearing easily.
As an implementation mode of the invention, a hollow cavity 10 is arranged in the pressing block 6, a discharge hole is arranged at one end of the pressing block 6 close to the adsorption cavity 9, a blocking layer 11 for sealing the hollow cavity 10 is arranged in the discharge hole, glue 12 is filled in the hollow cavity 10, and a bayonet 13 is respectively connected to the side walls of the buffer layer 3 corresponding to the discharge hole; during operation, when the bullet is beaten on briquetting 6 and drives briquetting 6 to the bayonet 13 side when moving, bayonet 13 can puncture shutoff layer 11 this moment to make the inside glue 12 of hollow chamber 10 flow, and flood in the cavity between buffer layer 3 and glass board 1, glue 12 can slow down the motion intensity of bullet this moment, prevent the bullet back and forth movement between two glass boards 1 under the bounce of buffer layer 3, and the condition that causes the damage to glass board 1, glue 12 can solidify gradually after meetting the air simultaneously, and adhere and shutoff to the mouth that is broken down by the bullet on glass board 1, improved the intensity after the glass is attacked by the bullet, also reduce dropping of glass piece simultaneously.
As an implementation mode of the invention, a buffer groove is arranged on one side of the pressing block 6 opposite to the discharge hole, a rubber layer 14 is arranged in the buffer groove, a baffle plate 15 is arranged on the side wall of the hollow cavity 10 close to the buffer groove, and a buffer block 16 is filled in a sealed cavity formed by the baffle plate 15 and the side wall of the hollow cavity 10; when the bullet is beaten in the buffer groove, the rubber layer 14 and the buffer layer 3 can play a certain buffering effect on the impact of the bullet in advance, so that the bulletproof effect of the glass is further improved.
As an embodiment of the present invention, a guide block 17 is disposed at one end of the hollow cavity 10 far from the buffer tank, and inclined surfaces 18 capable of forming an included angle are symmetrically disposed at one end of the guide block 17 near the partition plate 15; in operation, when a bullet penetrates from the buffer slot and penetrates through the partition plate 15, the movement track of the bullet at the moment can incline to one side under the guiding action of the inclined surface 18, so that the buffer layer 3 can play a more effective buffering effect on the bullet which acts relatively vertically, and the bullet-proof glass is further prevented from being penetrated.
As an embodiment of the present invention, a set of elastic buffer strips 19 are connected to the inclined surfaces 18, and each set of buffer strips 19 is connected by a rigid connecting rod 20; when the bullet is beaten on the buffer strip 19 at one side under the action of the guide block 17 in operation, the buffer strip 19 can be bent and deformed under the action of the connecting rod 20, and plays a certain role in buffering the bullet, so that the damage of the bullet to glass is further reduced.
As an implementation mode of the invention, the buffer strips 19 are internally provided with air cavities 21, the connecting rods 20 are internally provided with air passages 22 communicated with the air cavities 21 respectively, and the side walls of the hollow cavities 10 corresponding to one end of the inclined surfaces 18 close to the discharge port are provided with needles 23 respectively; when the bullet belt buffer strip 19 is bent and deformed during operation, the buffer strip 19 close to the puncture needle 23 can be punctured by the puncture needle 23 during deformation, so that air in the air cavity 21 is extruded and the rapid solidification effect of the glue 12 is promoted, the situation that the glue 12 in the hollow cavity 10 is difficult to contact with the air outside and is slowly solidified is prevented, and the using effect of the glue 12 is further improved.
As one embodiment of the invention, a telescopic bag 24 is arranged in the air cavity 21 close to the partition plate 15, and the telescopic bag 24 is in a compressed state under the action of the air pressure of the air cavity 21; when the buffer strip 19 close to the puncture needle 23 is punctured during operation, the air in the buffer strip 19 can be more fully extruded when the telescopic bag 24 is expanded under the action of self elasticity, so that the operation of the glue 12 can be more effectively promoted.
The preparation process of the laminated bulletproof glass is suitable for the bulletproof glass and comprises the following process steps:
s1: firstly, mounting a plugging plate 8 on the end part of one glass plate 1 through glue 12, so that the plugging plate 8 and the glass plate 1 form a mounting cavity;
s2: subsequently, the PVB layer 5 is wrapped on the metal net 4 to form an integrated buffer layer 3, and the buffer layer 3 is placed in the installation cavity;
s3: the compacts 6 are then placed in the depressions on the exposed side of the buffer layer 3, respectively, and the other glass plate 1 is bonded to the end of the plugging plate 8 while the middle of the projections on the exposed side of the buffer layer 3 is bonded to the side wall of the glass plate 1, thereby forming the desired bullet-proof glass.
When the glass plate 1 close to the pressing block 6 faces to the side which is easy to attack, if an external bullet breaks through the glass plate 1, if the attack position of the bullet falls on the bulge part of the buffer layer 3 close to the pressing block 6, the bullet can drive the buffer layer 3 which can be elastically deformed to compress to two sides through extruding the bulge part, so that the impact force of the bullet can be effectively buffered, the situation that the bullet breaks through glass is prevented, if the attack position of the bullet falls on the concave part of the buffer layer 3, the bullet can fall on the pressing block 6, and the buffer layer 3 at two sides is driven to compress to two sides through the pressing block 6 and the pressing plate 7, so that the bullet can also have an effective buffer effect, and the bullet can be effectively buffered no matter falling on any position of the buffer layer 3 through arranging the pressing block 6 matched with the buffer layer 3, so that the bulletproof effect of the glass is greatly improved; meanwhile, when the glass plate 1 facing the attack part is broken, at the moment, the glass plate 1 and the PVB layer 5 are bonded with each other in a ductile way, so that fragments of the glass plate 1 still can be bonded with the PVB layer 5 after being damaged, the glass can keep certain integrity, personal injury or property loss caused by falling of the glass fragments is prevented, and the use effect of the bulletproof glass is further improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (1)

1. A laminated bullet-proof glass comprises a pair of mutually matched glass plates (1); the method is characterized in that: a gap (2) is formed between the two glass plates (1), a wavy buffer layer (3) is arranged in the gap (2), the buffer layer (3) is composed of a metal net (4) and a PVB layer (5) wrapped on the outer surface of the metal net (4), the side wall of the buffer layer (3) is attached to the side walls of the glass plates (1) on two sides, the middle part of the protruding part on one side of the buffer layer (3) is adhered to the side walls of the glass plates (1), rigid pressing blocks (6) are arranged at the concave parts corresponding to the side, on which the buffer layer (3) is adhered to the glass plates (1), of the buffer layer (3), pressing plates (7) are symmetrically connected to the side walls of the buffer layer (3) corresponding to the inner side of the pressing blocks (6), the buffer layer (3) on two sides can be compressed through the pressing plates (7) when the pressing blocks (6) are pressed, and the end parts of the two glass plates (1) are connected through a sealing plate (8). The side wall positions of the buffer layer (3) opposite to the pressing block (6) are respectively provided with an adsorption cavity (9), and the adsorption cavities (9) can be adsorbed on the glass plate (1) at one side; the pressing block (6) is spherical, and when the pressing block (6) is pressed, the buffer layers (3) on two sides can be compressed through the pressing plate (7); the inside hollow cavity (10) that is provided with of briquetting (6), the one end that is close to absorption chamber (9) of briquetting (6) is provided with the discharge gate, the inside shutoff layer (11) that seals hollow cavity (10) that are equipped with of discharge gate, hollow cavity (10) are inside to be filled with glue (12), be connected with bayonet (13) on the lateral wall that buffer layer (3) corresponds with the discharge gate respectively;
the side of the pressing block (6) opposite to the discharge hole is provided with a buffer groove, and a rubber layer (14) is arranged in the buffer groove.
CN202210400645.9A 2021-04-09 2021-04-09 Laminated bulletproof glass Active CN114801366B (en)

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RU2191972C1 (en) * 2001-10-05 2002-10-27 Антонов Александр Николаевич Multilayer translucent block for protection against firearms
CN203793081U (en) * 2014-03-07 2014-08-27 叶新娜 Laminated steel wire explosion-proof glass
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CN108237744A (en) * 2018-02-24 2018-07-03 成都市国科泰达科技有限公司 A kind of fire prevention bulletproof glass
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