Bulletproof glass for vehicle
By using a multi-layered composite structure for the bulletproof glass, and bonding materials such as PA board, PC board, PMMA board and silicone board, the impact resistance and cushioning capacity of the bulletproof glass are enhanced, solving the problem that the structure of existing bulletproof glass is easily damaged when bullets are fired.
Patent Information
- Application Number
- CN202520428575.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing bulletproof glass has poor cushioning effect when bullets are fired, and its internal structure is easily damaged, making it more likely to be penetrated by bullets.
It adopts a multi-layer composite structure, including a first tempered glass plate, a second tempered glass plate, a high borosilicate glass plate, an impact-resistant layer, and a buffer layer. By bonding different materials such as PA board, PC board, PMMA board, and silicone board, the impact resistance and buffering capacity are enhanced.
It improves the impact resistance of bulletproof glass, reducing the probability of internal structural damage and the possibility of bullet penetration.
Smart Images
Figure CN223803209U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bulletproof glass technical field, concretely relates to a bulletproof glass for vehicle. BACKGROUND
[0002] Bulletproof glass is a kind of composite material by glass and high-quality engineering plastics special processing, it is transparent material usually, usually including polycarbonate fiber layer is clamped in ordinary glass layer.Bulletproof principle of bulletproof glass is that it can convert the impact kinetic energy of bullet into elastic potential energy of glass and surface energy of fragment.Bulletproof glass is the glass with the light transmission and image transmission performance, and also has the protection ability to bullet shooting.General automobile uses bulletproof glass to enhance the security of use.
[0003] At present, the existing bulletproof glass mostly single structure, when bullet shooting bulletproof glass, the bullet buffering effect in bulletproof glass is poor, when frequently being shot by bullet, the internal structure of bulletproof glass is easily damaged, thereby leading to the possibility that bullet penetrates bulletproof glass is larger. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a bulletproof glass for vehicle to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a bulletproof glass for vehicle, including first toughened glass plate, second toughened glass plate, high borosilicate glass plate, resistance impact layer and buffer layer, the high borosilicate glass plate is arranged between first toughened glass plate, second toughened glass plate, the resistance impact layer is arranged between first toughened glass plate and high borosilicate glass plate, the buffer layer is arranged between second toughened glass plate and high borosilicate glass plate,
[0006] Resistance impact layer includes mutually bonded PA plate and PC plate, the PA plate is bonded to the inner side of first toughened glass plate, the PC plate is bonded to the outer side of high borosilicate glass plate, the buffer layer includes mutually bonded PMMA plate and silica gel plate, the PMMA plate is bonded to the inner side of high borosilicate glass plate, and the silica gel plate is bonded to the outer side of second toughened glass plate.
[0007] As a preferred implementation, the PA plate and the PC plate are mutually bonded by a first PU adhesive layer.
[0008] As a preferred implementation, the PMMA plate and the silica gel plate are mutually bonded by a second PU adhesive layer.
[0009] As a preferred implementation, the PA plate and the first toughened glass plate are mutually bonded by a PVB membrane.
[0010] As a preferred embodiment, the PC plate and the high borosilicate glass plate are adhered to each other through the first SGP film.
[0011] As a preferred embodiment, the PMMA plate and the high borosilicate glass plate are adhered to each other through the second SGP film.
[0012] As a preferred embodiment, the silica gel plate and the second tempered glass plate are adhered to each other through the TPU film.
[0013] Compared with the prior art, the car bulletproof glass has the beneficial effects that:
[0014] The car bulletproof glass can enhance the impact resistance of the bulletproof glass and reduce the probability of damage to the internal structure of the bulletproof glass through the setting of the impact resistance layer.
[0015] The car bulletproof glass can enhance the buffering capacity of the bulletproof glass and reduce the possibility of a bullet penetrating the bulletproof glass through the setting of the buffer layer. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Fig. 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0018] In the figure: 1, first tempered glass plate; 2, second tempered glass plate; 3, high borosilicate glass plate; 4, impact resistance layer; 41, PA plate; 42, PC plate; 43, first PU adhesive layer; 44, PVB film; 45, first SGP film; 5, buffer layer; 51, PMMA plate; 52, silica gel plate; 53, second PU adhesive layer; 54, second SGP film; 55, TPU film. DETAILED DESCRIPTION
[0019] The utility model will be further described below in combination with examples.
[0020] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.
[0021] Please refer to Figs. 1-2The utility model provides a bulletproof glass for vehicle, including first toughened glass board 1, second toughened glass board 2, high borosilicate glass board 3, resistance impact layer 4 and buffer layer 5, high borosilicate glass board 3 sets up between first toughened glass board 1, second toughened glass board 2, through the setting of first toughened glass board 1, second toughened glass board 2 and high borosilicate glass board 3, can guarantee the basic strength of bulletproof glass, make bulletproof glass have certain impact resistance, when being shot by bullet, not easy to break.
[0022] Specifically, the resistance impact layer 4 is arranged between the first toughened glass board 1 and the high borosilicate glass board 3, the resistance impact layer 4 includes a PA plate 41 and a PC plate 42 that are bonded to each other, the PA plate 41 has high surface hardness, tensile strength and impact resistance, and can withstand a large external force without being easily deformed, the PC plate 42 has high impact resistance, the PA plate 41 and the PC plate 42 are bonded to each other through a first PU adhesive layer 43, the first PU adhesive layer 43 has excellent bonding force and also has a certain toughness, the PA plate 41 is bonded to the inner side of the first toughened glass board 1, the PA plate 41 and the first toughened glass board 1 are bonded to each other through a PVB film 44, the PVB film 44 has good elasticity and can absorb impact when subjected to external impact, preventing debris from scattering, even if the glass is broken, the debris will be firmly adhered to the middle layer and will not fall off to injure people, the PC plate 42 is bonded to the outer side of the high borosilicate glass board 3, the PC plate 42 and the high borosilicate glass board 3 are bonded to each other through a first SGP film 45, the first SGP film 45 has very high elasticity and impact absorption capacity, and has stronger tensile strength and tear strength, can withstand greater impact force, and the first SGP film 45 has high shear modulus and mechanical properties, through the arrangement of the resistance impact layer 4, the impact resistance of the bulletproof glass can be enhanced, and the probability of damage to the internal structure of the bulletproof glass can be reduced.
[0023] Specifically, the buffer layer 5 is arranged between the second tempered glass plate 2 and the high borosilicate glass plate 3, the buffer layer 5 comprises a PMMA plate 51 and a silica gel plate 52 which are bonded to each other, the PMMA plate 51 has stronger impact resistance and is not easy to break when impacted, the silica gel plate 52 has good elasticity and rebound performance and can buffer and reduce the impact force through elastic deformation when impacted, the PMMA plate 51 and the silica gel plate 52 are bonded to each other through a second PU adhesive layer 53, the second PU adhesive layer 53 has excellent bonding force and also has certain toughness, the PMMA plate 51 is bonded to the inner side of the high borosilicate glass plate 3, the PMMA plate 51 and the high borosilicate glass plate 3 are bonded to each other through a second SGP film 54, the second SGP film 54 has extremely high elasticity and impact absorption capacity, stronger tensile strength and tear strength and can withstand greater impact force, and the second SGP film 54 has very high shear modulus and mechanical properties, the silica gel plate 52 is bonded to the outer side of the second tempered glass plate 2, and the silica gel plate 52 and the second tempered glass plate 2 are bonded to each other through a TPU film 55, the TPU film 55 has good elasticity and flexibility, and the flexibility enables the film to deform when subjected to external force, thereby absorbing impact energy, and the setting of the buffer layer 5 can enhance the buffering capacity of the bulletproof glass and reduce the possibility of a bullet penetrating the bulletproof glass.
[0024] The working principle and use process of the utility model are as follows: firstly, the setting of the first tempered glass plate 1, the second tempered glass plate 2 and the high borosilicate glass plate 3 can guarantee the basic strength of the bulletproof glass, so that the bulletproof glass has certain impact resistance and is not easy to break when subjected to bullet shooting, the PA plate 41 has very high surface hardness, tensile strength and impact resistance and is not easy to deform under a greater external force, the PC plate 42 has very high impact resistance, the PMMA plate 51 has stronger impact resistance and is not easy to break when impacted, and the silica gel plate 52 has good elasticity and rebound performance and can buffer and reduce the impact force through elastic deformation when impacted, the setting of the resisting impact layer 4 can enhance the impact resistance of the bulletproof glass and reduce the probability of damage to the internal structure of the bulletproof glass, and the setting of the buffer layer 5 can enhance the buffering capacity of the bulletproof glass and reduce the possibility of a bullet penetrating the bulletproof glass.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bulletproof glass for vehicles, comprising a first tempered glass sheet (1), a second tempered glass sheet (2), a high borosilicate glass sheet (3), a shock resistance layer (4) and a buffer layer (5), characterized in that: The high borosilicate glass plate (3) is arranged between the first tempered glass plate (1) and the second tempered glass plate (2), the impact resistance layer (4) is arranged between the first tempered glass plate (1) and the high borosilicate glass plate (3), and the buffer layer (5) is arranged between the second tempered glass plate (2) and the high borosilicate glass plate (3); The impact resistance layer (4) comprises a PA plate (41) and a PC plate (42) which are bonded to each other, the PA plate (41) is bonded to the inner side of the first tempered glass plate (1), and the PC plate (42) is bonded to the outer side of the high borosilicate glass plate (3); the buffer layer (5) comprises a PMMA plate (51) and a silica gel plate (52) which are bonded to each other, the PMMA plate (51) is bonded to the inner side of the high borosilicate glass plate (3), and the silica gel plate (52) is bonded to the outer side of the second tempered glass plate (2).
2. The vehicle ballistic resistant glazing according to claim 1, wherein: The PA plate (41) and the PC plate (42) are bonded to each other through a first PU adhesive layer (43).
3. The vehicle ballistic resistant glazing according to claim 1, wherein: The PMMA plate (51) and the silica gel plate (52) are bonded to each other through a second PU adhesive layer (53).
4. The vehicle glazing according to claim 1, characterized in that: The PA plate (41) and the first tempered glass plate (1) are bonded to each other through a PVB film (44).
5. The vehicle glazing according to claim 1, characterized in that: The PC plate (42) and the high borosilicate glass plate (3) are bonded to each other through a first SGP film (45).
6. The vehicle ballistic resistant glazing according to claim 1, wherein: The PMMA plate (51) and the high borosilicate glass plate (3) are bonded to each other through a second SGP film (54).
7. The vehicle glazing according to claim 1, characterized in that: The silica gel plate (52) and the second tempered glass plate (2) are bonded to each other through a TPU film (55).