A protective vehicle door and a method for increasing the protection of the vehicle door

Abstract

The present invention discloses a protective vehicle door and a method for increasing the protection of a vehicle door, comprising a vehicle door outer panel and a vehicle door inner panel, wherein the edge of the vehicle door outer panel wraps the edge of the vehicle door inner panel; a space is reserved between the vehicle door outer panel and the vehicle door inner panel, and a bulletproof plate can be installed in the space, and a glue layer is provided between the bulletproof plate and the vehicle door outer panel to ensure that the bulletproof plate is stably bonded and connected to the vehicle door outer panel; a hinge is provided on one side of the vehicle door inner panel. The present invention wraps the vehicle door inner panel with the vehicle door outer panel, and reserves a space for the bulletproof plate between the vehicle door outer panel and the vehicle door inner panel, thereby avoiding the need to change the original vehicle shape, realizing the need for compatible protective and non-protective vehicle doors, and thus achieving the purpose of reducing costs; moreover, the vehicle door structure is easy to manufacture and easy to modify; by using a glue injection machine to inject glue between the vehicle door outer panel and the bulletproof plate, it is ensured that the bulletproof plate and the vehicle door outer panel are firmly bonded.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle doors, in particular to a protective vehicle door and a method for increasing protection of the vehicle door. Background Art

[0002] Generally, the protection requirements of the vehicle body are defined at the beginning of vehicle development, and the doors are divided into protective doors and non-protective doors according to the protection requirements. Most of the existing doors are a single form of non-protective door structure or protective door structure. The two door structures cannot be directly compatible during the design.

[0003] In the prior art, a Chinese patent with publication number CN219325723U discloses a bulletproof door assembly and a bulletproof vehicle, including a door outer panel, a door inner panel, a bulletproof sliding window and two locking parts. The middle part of the door outer panel is bent outward to form an upper bullet-facing surface and a lower bullet-facing surface, and a sliding window installation port is provided on the upper bullet-facing surface; the door inner panel is welded to the door outer panel; the bulletproof sliding window includes a fixed guide rail and a sliding window glass, the fixed guide rail is installed at the sliding window installation port of the door outer panel by bolts, and a slide groove is formed inside the fixed guide rail for the sliding window glass to slide along the fixed guide rail, and the sliding window glass is slidably arranged in the slide groove. The patent scheme can provide a shooting window that can be opened and closed at any time to meet the needs of soldiers for assault operations on the door, and the door has high rigidity and strength, simple and reliable structure, easy assembly and maintenance, and lightweight under the premise of ensuring bulletproof performance.

[0004] The car door provided by the above patent is a bulletproof car door that needs to be designed separately. In fact, the car door is the most vulnerable to bullet damage. Protective car doors generally use bulletproof plates to meet the protection requirements. The car door can protect the car, reduce the impact force, and improve the safety of passengers. However, the protective car door is limited by the stamping process of the bulletproof steel plate. The door shape needs to be relatively straight, which makes it impossible to install bulletproof plates on non-protective car doors. Therefore, there is a need in the market for a non-protective car door that can be equipped with bulletproof plates, so that users can selectively install bulletproof plates according to their needs. Summary of the invention

[0005] The purpose of the present invention is to provide a protective vehicle door and a method for increasing the protection of a vehicle door, aiming to improve the problem that the existing vehicle door structure can only be designed as a protective vehicle door or a non-protective vehicle door, resulting in the non-protective vehicle door being unable to be equipped with a bulletproof plate as required.

[0006] The present invention is achieved in that:

[0007] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, the present invention provides a protective vehicle door, comprising a vehicle door outer panel and a vehicle door inner panel, wherein the edge of the vehicle door outer panel wraps the edge of the vehicle door inner panel; a space is reserved between the vehicle door outer panel and the vehicle door inner panel, and a bulletproof plate can be installed in the space, and an adhesive layer is provided between the vehicle door outer panel to ensure that the bulletproof plate is stably bonded to the vehicle door outer panel; a hinge is provided on one side of the vehicle door inner panel.

[0008] Furthermore, the edge of the bulletproof plate is connected to a supporting frame, the bulletproof plate includes a bulletproof main plate and a bulletproof side plate, the bulletproof main plate is installed in contact with the outer panel of the vehicle door, a window is provided on the top of the bulletproof main plate, the bulletproof side plate is installed in contact with the side of the inner panel of the vehicle door, and the edges of the bulletproof main plate and the bulletproof side plate are both provided with inserted edges; the edges of the bulletproof main plate and the bulletproof side plate are both connected to the supporting frame; the bulletproof plate is provided with a base material, a high-strength fiberboard and a bulletproof ceramic in sequence from the inside to the outside; the outer side of the bulletproof plate is wrapped with an outer layer.

[0009] Furthermore, a slot is provided on the inner side of the support frame, and reinforcing ribs are laterally provided on the inner side of the support frame. The inner side of the support frame is connected to a side panel frame, which wraps the bulletproof side panel, and the edges of the bulletproof main board and the bulletproof side panel are inserted into the inner side of the slot.

[0010] According to a second aspect of the present invention, a method for increasing the protection of a protective door is provided, and the specific steps are as follows:

[0011] S100. Remove the door from the car, split the door apart, and measure the space reserved for installing the bulletproof plate;

[0012] S200, processing the bulletproof plate according to the measured size, and installing a support frame on the bulletproof plate when processing the bulletproof plate;

[0013] S300, embedding the processed bulletproof plate into the space reserved between the door outer panel and the door inner panel, and the bulletproof main panel is attached to the outer door, and the bulletproof side panel is attached to the door inner panel;

[0014] S400, using glue injection equipment to inject glue into the gap between the bulletproof main plate and the door outer plate; connecting the bulletproof side plate and the door inner plate by welding;

[0015] S500. Reassemble the other door parts and install the door on the vehicle.

[0016] Furthermore, the specific steps of bonding the bulletproof plate in step S400 are as follows:

[0017] S410, using a clamp to preliminarily fix the bulletproof plate to ensure that the bulletproof plate is stably attached to the door outer panel;

[0018] S420, pouring glue for bonding the bulletproof plate into a glue injection device, and continuously stirring the glue by using the glue injection device to prevent the glue from solidifying; then injecting the glue into the gap between the bulletproof plate and the door outer panel by using the glue injection device, and using a vibrating component during the glue injection to ensure that the glue can fill the space between the bulletproof plate and the door outer panel to avoid hollow positions;

[0019] S430, welding the side panel frame of the bulletproof side panel to the door inner panel to ensure sufficient stability between the bulletproof side panel and the door inner panel;

[0020] S440. Wait for the glue to completely solidify before removing the clamp and cleaning the surface of the bulletproof plate.

[0021] Furthermore, the glue injection equipment in step S400 includes a glue injection machine, a glue box is provided on the top of the glue injection machine, a stirring assembly is provided on the inside of the glue injection machine, and the upper part of the stirring assembly is inserted into the inside of the glue box; a gun-type glue suction pump is provided on one side of the glue injection machine, the glue suction end of the gun-type glue suction pump is connected to the glue box, and the gun-type glue suction pump and the glue injection machine are electrically connected; a vibrating rod is provided on the other side of the glue injection machine.

[0022] Furthermore, a control panel is provided on the side of the glue injection machine, and a plurality of supporting feet are provided on the edge of the bottom surface of the glue injection machine, a power connecting wire is provided on the back of the glue injection machine, and a power connecting plug is provided on the end of the power connecting wire; a glue discharge pipe is provided at the bottom end of the side of the glue box, and a throttle valve is provided on the glue discharge pipe; a connecting slot and a second plug-in slot are provided on the side of the glue injection machine, an installation slot is provided in the middle of the bottom end of the glue injection machine, connecting slots are symmetrically provided on the bottom surface of the glue injection machine along both sides of the installation slot, and a first plug-in slot is provided on the bottom surface of the glue injection machine.

[0023] Furthermore, the stirring assembly includes a stirring motor and a stirring rod, and the output end of the stirring motor is provided with a transmission shaft, the top of the transmission shaft is provided with a driving plug, the bottom end of the stirring motor is provided with a mounting plate, both ends of the mounting plate are provided with mounting holes, and bolts pass through the mounting holes and are connected to the connecting groove; a first wire is provided at the bottom of the stirring motor, a first plug connector is provided at the end of the first wire, and the first plug connector is connected to the first plug slot; an adapter shaft is provided at the bottom end of the stirring rod, the adapter shaft is rotatably connected to the bottom of the rubber box, and the driving plug is plug-connected to the adapter shaft; a plurality of stirring blades are evenly arranged on the top of the stirring rod.

[0024] Furthermore, a glue injection tube is provided at the discharge end of the gun-type glue suction pump, and a handle is provided at the bottom of the gun-type glue suction pump, a switch is provided on the handle, a flow guide hose is provided at the bottom of the gun-type glue suction pump, a conversion cap is provided at the bottom of the flow guide hose, and the conversion cap is connected to the glue discharge hose; a connecting line is connected to the bottom of the handle, a connecting plug is provided at the end of the connecting line, and the connecting plug is connected to the connecting slot; the vibrating rod is connected to the controller through a connecting sleeve, and the controller is connected to the vibrating rod through a wire from the inside of the connecting sleeve; a control button is provided on the controller, a second wire is provided on the side of the controller, a second plug connector is provided at the end of the second wire, and the second plug connector is connected to the second plug slot.

[0025] Furthermore, it also includes a cover, the top of the rubber box is opened, and the bottom of the cover is provided with an adapter ring, the adapter ring is threadedly connected to the rubber box, and the upper surface of the cover is provided with a handle, and the handle is used to rotate the cover to facilitate the disassembly and assembly of the cover.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The present invention wraps the door inner panel with the door outer panel and reserves space for the bulletproof plate between the door outer panel and the door inner panel, thereby avoiding the need to change the original car shape, meeting the needs of compatible protective and non-protective doors, and thus achieving the purpose of reducing costs. Moreover, the door structure is easy to manufacture and easy to modify; in addition, the rigidity and strength of the door assembly can be guaranteed.

[0028] 2. The present invention uses a glue injection machine to inject glue between the door outer panel and the bulletproof plate to ensure that the bulletproof plate and the door outer panel are firmly bonded. The glue injection machine is combined with a gun-type glue suction pump to facilitate the operation of the staff, so that the staff can efficiently inject glue.

[0029] 3. The present invention provides a vibrating rod, which is convenient for inserting the vibrating rod during the process of injecting glue between the bulletproof plate and the door outer panel, so that the vibrating rod can make the glue flow more evenly to ensure that the bulletproof plate and the door outer panel are firmly bonded. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the vehicle door of the present invention;

[0031] Figure 2 It is a structural schematic diagram of a door section of the present invention;

[0032] Figure 3 It is a schematic diagram of the structure of the vehicle door of the present invention when it is shot by a bullet;

[0033] Figure 4 It is a schematic diagram of the structure of the bulletproof plate of the present invention in cooperation with the supporting frame;

[0034] Figure 5 Schematic diagram of the three-dimensional structure of the bulletproof plate of the present invention;

[0035] Figure 6 It is a schematic diagram of the structure of the layered bulletproof plate of the present invention;

[0036] Figure 7 It is a structural schematic diagram of the support frame of the present invention;

[0037] Figure 8 It is a structural schematic diagram of the glue injection equipment of the present invention;

[0038] Fig. 9 It is a structural schematic diagram of the glue injection machine of the present invention at the front end oblique downward angle;

[0039] Fig.10 It is a structural schematic diagram of the glue injection machine of the present invention at the front end oblique upward viewing angle;

[0040] Fig.11 It is a structural schematic diagram of the stirring assembly of the present invention;

[0041] Fig.12 It is a schematic diagram of the structure of the gun-type glue suction pump of the present invention;

[0042] Fig.13 It is a structural schematic diagram of the vibrating rod of the present invention;

[0043] Fig.14 It is a schematic structural diagram of the sealing cover of the present invention;

[0044] Fig.15 It is a flowchart of increasing the protection of the vehicle door of the present invention.

[0045] In the figure: 01, door outer panel; 02, door inner panel; 03, hinge; 04, glue layer; 1, bulletproof plate; 11, bulletproof main board; 12, bulletproof side panel; 111, bulletproof ceramic; 112, insert edge; 113, window; 13, outer layer; 14, base material; 15, high-strength fiberboard; 2, support frame; 21, slot; 22, reinforcing rib; 23, side panel frame; 24, opening; 3, glue injection machine; 31, control panel; 32, support foot; 33, glue box; 34, glue discharge hose; 35, throttle valve; 36, connecting slot; 37, power connection wire; 371, power connection plug; 38, installation slot; 381, connection slot; 382, ​​first plug slot; 39, second plug-in slot; 4, stirring assembly; 41, motor; 411, transmission shaft; 412, drive plug; 413, mounting plate; 414, mounting hole; 415, first wire; 416, first plug connector; 42, stirring rod; 421, adapter shaft; 422, stirring blade; 5, gun-type glue suction pump; 51, handle; 52, switch; 53, glue injection tube; 54, diversion hose; 55, adapter cap; 56, communication line; 57, communication plug; 6, vibrating rod; 61, connecting sleeve; 62, controller; 63, control button; 64, second wire; 65, second plug connector; 7, cover; 71, handle; 72, adapter ring. DETAILED DESCRIPTION

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0048] Example 1

[0049] like Figure 1 , Figure 2 and Figure 3As shown, a protective door comprises a door outer panel 01 and a door inner panel 02, wherein the edge of the door outer panel 01 wraps around the edge of the door inner panel 02. This structure can constitute the main frame of the door. A space is reserved between the door outer panel 01 and the door inner panel 02, and the space can be used to install a bulletproof plate 1. This structure can ensure that the door can be equipped with a bulletproof plate 1 according to the use requirements. An adhesive layer 04 is provided between the bulletproof plate 1 and the door outer panel 01 to ensure that the bulletproof plate 1 is stably bonded and connected to the door outer panel 01. A hinge 03 is provided on one side of the door inner panel 02, and the hinge 03 is convenient for the door to be hinged and connected to the main body of the car.

[0050] like Figure 4 , Figure 5 and Figure 6 As shown, the edge of the bulletproof plate 1 is connected to a support frame 2, and the support frame 2 is used to ensure that the entire bulletproof plate 1 can be stably assembled and used. The bulletproof plate 1 includes a bulletproof main board 11 and a bulletproof side board 12. The bulletproof main board 11 is installed in affixed to the door outer panel 01. A window 113 is provided on the top of the bulletproof main board 11. The bulletproof main board 11 is used to fit the door outer panel 01 to achieve the purpose of bulletproofing the door body. The window 113 is convenient for matching with the window to avoid the bulletproof plate 1 affecting the installation of the window. The bulletproof side panel 12 is installed in affixed to the side of the door inner panel 02. This structure can protect the side of the door through the bulletproof side panel 12 to prevent bullets shot from the side of the door from penetrating the door. The edges of the bulletproof main board 11 and the bulletproof side panel 12 are both provided with an insert 112. The edges of the bulletproof main board 11 and the bulletproof side panel 12 are both connected to the support frame 2. The bulletproof plate 1 is provided with a substrate 14, a high-strength fiberboard 15 and a bulletproof ceramic 111 from the inside to the outside. The base material 14 can effectively block bullets by cooperating with the high-strength fiberboard 15 and the bulletproof ceramic 111. The outer side of the bulletproof plate 1 is wrapped with an outer layer 13, which can make the bulletproof plate 1 more beautiful as a whole.

[0051] like Figure 7 As shown, a slot 21 is provided on the inner side of the support frame 2, and the slot 21 is convenient for connecting the support frame 2 with the bulletproof plate 1. A reinforcing rib 22 is provided laterally on the inner side of the support frame, and the reinforcing rib 22 is convenient for improving the strength of the support frame. A side plate frame 23 is connected to the inner side of the support frame, and the side plate frame 23 wraps the bulletproof side plate 12. The side plate frame 23 is used to wrap the bulletproof side plate 12. The inserting edges 112 of the edges of the bulletproof main board 11 and the bulletproof side plate 12 are inserted into the inner side of the slot 21.

[0052] Example 2

[0053] like Figure 8As shown, a glue injection device is provided, including a glue injection machine 3, which is used to inject glue between the bulletproof plate 1 and the door outer panel 01 when adding protection to the vehicle door. A glue box 33 is provided on the top of the glue injection machine 3, and the glue box 33 is used to store glue. A stirring component 4 is provided on the inner side of the glue injection machine 3, and the upper part of the stirring component 4 is inserted into the inner side of the glue box 33. The stirring component 4 is used to mix the glue inside the glue box 33. A gun-type glue suction pump 5 is provided on one side of the glue injection machine 3, and the glue suction end of the gun-type glue suction pump 5 is connected to the glue box 33. The gun-type glue suction pump 5 is used to absorb the glue inside the glue box 33 and inject the glue between the door outer panel 01 and the bulletproof plate 1. The gun-type glue suction pump 5 is electrically connected to the glue injection machine 3. This structure is convenient for the glue injection machine 3 and the gun-type glue suction pump 5 to be powered on. The other side of the glue injection machine 3 is connected to a vibrating rod 6, which is used to vibrate the glue during the glue injection process so that the glue fills the gap between the door outer panel 01 and the bulletproof plate 1 to avoid hollowing.

[0054] like Fig. 9 and Fig.10 As shown, a control panel 31 is provided on the side of the glue injection machine 3, and the control panel 31 is used to control the entire glue injection equipment. A plurality of legs 32 are provided on the bottom edge of the glue injection machine 3, and the legs 32 are convenient for the glue injection machine 3 to be placed stably on the workbench. A power lead 37 is provided on the back of the glue injection machine 3, and a power plug 371 is provided at the end of the power lead 37. The cooperation of the power lead 37 and the power plug 371 is convenient for the glue injection machine 3 to be powered on and operated. A glue discharge pipe 34 is provided at the bottom end of the side of the glue box 33, and a throttle valve 35 is provided on the glue discharge pipe 34. The glue discharge pipe 34 cooperates with the throttle valve 35 to conveniently control the discharge of glue inside the glue box 33. A connecting slot 21 and a second plug-in slot 39 are provided on the side of the glue injection machine 3. The connecting slot 21 is convenient for the glue injection machine 3 to be connected to the gun-type glue suction pump 5, and the second slot 21 is convenient for the glue injection machine 3 to be electrically connected to the vibrating rod 6. An installation slot 38 is provided in the middle of the bottom end of the glue injection machine 3, and the installation slot 38 is convenient for installing the stirring component 4. The bottom surface of the glue injection machine 3 is symmetrically provided with connecting grooves 381 along both sides of the installation groove 38, and the connecting grooves 381 are convenient for the installation and fixation of the stirring motor 41. The bottom surface of the glue injection machine 3 is provided with a first plug-in groove 382, ​​and the first plug-in groove 382 is convenient for the electrical connection between the stirring component 4 and the glue injection machine 3.

[0055] like Fig.11As shown, the stirring assembly 4 includes a stirring motor 41 and a stirring rod 42. The stirring motor 41 is convenient for driving the stirring rod 42 to rotate, thereby facilitating the operation of the stirring rod 42. A transmission shaft 411 is provided at the output end of the stirring motor 41, and a driving plug 412 is provided at the top of the transmission shaft 411. The cooperation between the transmission shaft 411 and the driving plug 412 is convenient for connecting with the stirring rod 42. A mounting plate 413 is provided at the bottom end of the stirring motor 41, and mounting holes 414 are provided at both ends of the mounting plate 413. Bolts pass through the mounting holes 414 and are connected to the connecting groove 381. The cooperation between the mounting plate 413 and the mounting hole 414 is convenient for fixing the position of the stirring motor 41 by bolts. A first wire 415 is provided at the bottom of the stirring motor 41, and a first plug connector 416 is provided at the end of the first wire 415. The first plug connector 416 is connected to the first plug slot 382. The cooperation between the first wire 415 and the first plug connector 416 is convenient for the stirring motor 41 to be electrically connected to the glue injection machine 3. The bottom end of the stirring rod 42 is provided with a transfer shaft 421, which is rotatably connected to the bottom of the glue box 33, and the driving plug 412 is plugged and connected to the transfer shaft 421. This structure is convenient for the stirring motor 41 to drive the transfer shaft 421 to rotate. The top of the stirring rod 42 is evenly provided with a plurality of stirring blades 422, which are convenient for uniformly stirring the glue inside the glue box 33.

[0056] like Fig.12 and Fig.13 As shown, the discharge end of the gun-type glue pump 5 is provided with a glue injection tube 53, and the glue injection tube 53 is convenient for inserting between the bulletproof plate 1 and the door outer panel 01 for glue injection. A grip 51 is provided at the bottom of the gun-type glue pump 5, and the grip 51 is convenient for controlling the gun-type glue pump 5. A switch 52 is provided on the grip 51, and the switch 52 is convenient for controlling the operation of the gun-type glue pump 5. A diversion hose 54 is provided at the bottom of the gun-type glue pump 5, and a transfer cap 55 is provided at the bottom of the diversion hose 54, and the transfer cap 55 is connected to the discharge hose 34. The diversion hose 54 is convenient for the gun-type glue pump 5 to be connected to the glue box 33, so that the gun-type glue pump 5 can absorb glue from the inside of the glue box 33. A communication line 56 is connected to the bottom of the grip 51, and a communication plug 57 is provided at the end of the communication line 56, and the communication plug 57 is connected to the communication slot 36. This structure is convenient for powering on the gun-type glue pump 5 and facilitating the operation of the gun-type glue pump 5. The vibrating rod 6 is connected to a controller 62 through a connecting sleeve 61, and the controller 62 is connected to the vibrating rod 6 through a wire from the inside of the connecting sleeve 61. The controller 62 is convenient for controlling the operation of the vibrating rod 6. A control button 63 is provided on the controller 62, and the control button 63 is convenient for controlling the opening and closing of the vibrating rod 6. A second wire 64 is provided on the side of the controller 62, and a second plug connector 65 is provided at the end of the second wire 64. The second plug connector 65 is connected to the second plug slot 39. The cooperation between the second wire 64 and the second plug is convenient for the vibrating rod 6 to be electrically connected to the glue injection machine 3.

[0057] like Fig.14As shown, the cover 7 is also included, the top opening 24 of the rubber box 33 is set, and the bottom of the cover 7 is provided with an adapter ring 72, and the adapter ring 72 is threadedly connected to the rubber box 33. This structure is convenient for the cover 7 to block the opening 24 at the top of the rubber box 33. A handle 71 is provided on the upper surface of the cover 7, and the handle 71 is used to rotate the cover 7 to facilitate the disassembly and assembly of the cover 7.

[0058] Working principle: When in use, pour glue into the glue box 33, then cover the cover 7, and power on the glue injection machine 3, start the stirring motor 41, so that the stirring motor 41 drives the stirring rod 42 to mix the glue. Then the staff holds the gun-type glue suction pump 5, and inserts the glue injection tube 53 into the gap between the bulletproof plate 1 and the door outer panel 01, and starts the gun-type glue suction pump 5, so that the gun-type glue injection pump injects glue into the gap between the bulletproof plate 1 and the door outer panel 01, thereby forming a glue layer 04 to bond the door outer panel 01 and the bulletproof plate 1 together, and during the glue injection process, the glue is fully filled in the gap through the vibrating rod 6 to avoid the phenomenon of hollowing.

[0059] Example 3

[0060] like Fig.15 As shown, a method for increasing protection of a protective door is used to add protection to the door structure provided in Example 1, using the glue injection equipment provided in Example 2, and the specific steps are as follows:

[0061] S100, removing the vehicle door from the vehicle, splitting the vehicle door, and measuring the space reserved for installing the bulletproof plate 1 in the vehicle door.

[0062] S200, according to the measured size, the bulletproof plate 1 is processed, and the support frame 2 is installed on the bulletproof plate 1 when processing the bulletproof plate 1. When processing the bulletproof plate 1, high-strength fiber materials such as aramid fiber and ultra-high molecular weight polyethylene fiber are selected. These fibers have high tensile strength and toughness, and can effectively absorb and disperse the impact energy of bullets. For example, the tensile strength of aramid fiber can reach more than 2000MPa, and the strength of ultra-high molecular weight polyethylene fiber is also about 1500MPa. According to the size of the car door and the bulletproof requirements, the area and length of the required fiber are calculated. The bulletproof ceramic 111 can be made of alumina ceramics, silicon carbide ceramics, etc. Ceramic materials have high hardness and wear resistance and can effectively block the penetration of bullets. The hardness of alumina ceramics can reach more than 18GPa, and the hardness of silicon carbide ceramics is higher, which can be about 20GPa. The ceramic material is processed into an appropriate shape and size, such as a sheet or a block, to adapt to the structure and protection layout of the car door.

[0063] S300, embed the processed bulletproof plate 1 into the space reserved between the door outer panel 01 and the door inner panel 02, and the bulletproof main panel 11 is arranged in affixed to the outer door, and the bulletproof side panel 12 is arranged in affixed to the door inner panel 02.

[0064] S400, using glue injection equipment to inject glue into the gap between the bulletproof main plate 11 and the door outer plate 01. The bulletproof side plate 12 and the door inner plate 02 are connected by welding.

[0065] S410, using a clamp to preliminarily fix the bulletproof plate 1 to ensure that the bulletproof plate 1 is stably fixed on the door outer panel 01.

[0066] S420, pour the glue for bonding the bulletproof plate 1 into the glue injection device, and use the glue injection device to continuously stir the glue to prevent the glue from solidifying. Then inject the glue into the gap between the bulletproof plate 1 and the door outer panel 01 through the glue injection device, and use a vibrating component during the glue injection to ensure that the glue can fill the space between the bulletproof plate 1 and the door outer panel 01 to avoid hollow positions.

[0067] S430, welding the side panel frame 23 of the bulletproof side panel 12 and the door inner panel 02 together to ensure sufficient stability between the bulletproof side panel 12 and the door inner panel 02.

[0068] S440, after the glue is completely cured, the clamp is removed and the surface of the bulletproof plate 1 is cleaned.

[0069] S500. Reassemble the other parts of the door and install the door on the car. Perform surface treatment and decoration on the assembled door. You can use spray painting, film sticking and other methods to make the door have a good appearance and anti-corrosion performance. At the same time, according to the overall design of the vehicle and user needs, make appropriate decoration and functional configuration.

[0070] In summary, compared with the prior art, the present application wraps the door inner panel 02 with the door outer panel 01 and reserves space for the bulletproof plate 1 between the door outer panel 01 and the door inner panel 02, thereby avoiding the need to change the original vehicle shape, meeting the requirements of compatible protective and non-protective doors, and thus achieving the purpose of reducing costs. Moreover, the door structure is easy to manufacture and easy to modify. In addition, the rigidity and strength of the door assembly can be guaranteed.

[0071] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective vehicle door, comprising a vehicle door outer panel (01) and a vehicle door inner panel (02), characterized in that: The edge of the vehicle door outer panel (01) wraps around the edge of the vehicle door inner panel (02); a space is reserved between the vehicle door outer panel (01) and the vehicle door inner panel (02), and the bulletproof plate (1) can be installed in the space; an adhesive layer (04) is provided between the bulletproof plate (1) and the vehicle door outer panel (01) to ensure that the bulletproof plate (1) is stably bonded to the vehicle door outer panel (01); a hinge (03) is provided on one side of the vehicle door inner panel (02).

2. A protective vehicle door according to claim 1, characterized in that: The edge of the bulletproof plate (1) is connected to a support frame (2). The bulletproof plate (1) comprises a bulletproof main plate (11) and a bulletproof side plate (12). The bulletproof main plate (11) is installed in contact with the vehicle door outer plate (01), and a window (113) is provided on the top of the bulletproof main plate (11); the bulletproof side plate (12) is installed in contact with the side of the vehicle door inner plate (02), and the edges of the bulletproof main plate (11) and the bulletproof side plate (12) are both provided with an insert edge (112); the edges of the bulletproof main plate (11) and the bulletproof side plate (12) are both connected to the support frame (2); the bulletproof plate (1) is provided with a base material (14), a high-strength fiberboard (15) and a bulletproof ceramic (111) in sequence from the inside to the outside; and the outer side of the bulletproof plate (1) is wrapped with an outer cladding layer (13).

3. A protective vehicle door according to claim 2, characterized in that: The inner side surface of the support frame (2) is provided with a slot (21), and the inner side of the support frame is laterally provided with a reinforcing rib (22), the inner side surface of the support frame is connected to a side panel frame (23), the side panel frame (23) wraps the bulletproof side panel (12), and the inserting edges (112) of the edges of the bulletproof main panel (11) and the bulletproof side panel (12) are inserted into the inner side of the slot (21).

4. A method for increasing the protection of a protective vehicle door, used to increase the protection of the protective vehicle door according to claim 3, characterized in that: The specific steps are as follows: S100, removing the door from the vehicle, splitting the door, and measuring the space reserved for installing the bulletproof plate (1) on the door; S200, processing the bulletproof plate (1) according to the measured dimensions, and installing a support frame (2) on the bulletproof plate (1) during processing of the bulletproof plate (1); S300, embedding the processed bulletproof plate (1) into the reserved space between the vehicle door outer plate (01) and the vehicle door inner plate (02), and placing the bulletproof main plate (11) in close contact with the outer door, and placing the bulletproof side plate (12) in close contact with the vehicle door inner plate (02); S400, using a glue injection device to inject glue into the gap between the bulletproof main plate (11) and the vehicle door outer plate (01); connecting the bulletproof side plate (12) and the vehicle door inner plate (02) by welding; S500. Reassemble the other door parts and install the door on the vehicle.

5. A method for increasing protection of a protective vehicle door according to claim 4, characterized in that: The specific steps of bonding the bulletproof plate (1) in step S400 are as follows: S410, using a clamp to preliminarily fix the bulletproof plate (1) to ensure that the bulletproof plate (1) is stably fixed on the vehicle door outer panel (01); S420, pouring the glue for bonding the bulletproof plate (1) into a glue injection device, and continuously stirring the glue by using the glue injection device to prevent the glue from solidifying; Then, glue is injected into the gap between the bulletproof plate (1) and the vehicle door outer panel (01) by means of a glue injection device. During the glue injection, a vibrating component is used to ensure that the glue can fill the space between the bulletproof plate (1) and the vehicle door outer panel (01) to avoid hollow areas. S430, welding the side panel frame (23) of the bulletproof side panel (12) and the door inner panel (02) to ensure sufficient stability between the bulletproof side panel (12) and the door inner panel (02); S440, after the glue is completely cured, remove the clamp and clean the surface of the bulletproof plate (1).

6. A method for increasing protection of a protective vehicle door according to claim 4, characterized in that: The glue injection equipment in step S400 comprises a glue injection machine (3), a glue box (33) is provided on the top of the glue injection machine (3), a stirring assembly (4) is provided on the inner side of the glue injection machine (3), and the upper part of the stirring assembly (4) is inserted into the inner side of the glue box (33); a gun-type glue suction pump (5) is provided on one side of the glue injection machine (3), the glue suction end of the gun-type glue suction pump (5) is connected to the glue box (33), and the gun-type glue suction pump (5) and the glue injection machine (3) are electrically connected; and a vibrating rod (6) is provided on the other side of the glue injection machine (3).

7. A method for increasing protection of a protective vehicle door according to claim 6, characterized in that: The side of the glue injection machine (3) is provided with a control panel (31), and the bottom edge of the glue injection machine (3) is provided with a plurality of legs (32); the back of the glue injection machine (3) is provided with a power connection wire (37), and the end of the power connection wire (37) is provided with a power connection plug (371); the bottom end of the side of the glue box (33) is provided with a glue discharge pipe (34), and the glue discharge pipe (34) is provided with a throttle valve (35); the side of the glue injection machine (3) is provided with a connecting slot (21) and a second plug-in slot (39), the middle part of the bottom end of the glue injection machine (3) is provided with a mounting slot (38), the bottom surface of the glue injection machine (3) is symmetrically provided with connection slots (381) along both sides of the mounting slot (38), and the bottom surface of the glue injection machine (3) is provided with a first plug-in slot (382).

8. A method for increasing protection of a protective vehicle door according to claim 7, characterized in that: The stirring assembly (4) comprises a stirring motor (41) and a stirring rod (42), and a transmission shaft (411) is provided at the output end of the stirring motor (41), a driving plug (412) is provided at the top end of the transmission shaft (411), a mounting plate (413) is provided at the bottom end of the stirring motor (41), mounting holes (414) are provided at both ends of the mounting plate (413), and bolts pass through the mounting holes (414) and are connected to the connecting groove (381); a bolt is provided at the bottom of the stirring motor (41) A first wire (415) is provided, and a first plug connector (416) is provided at the end of the first wire (415), and the first plug connector (416) is connected to the first plug slot (382); a transfer shaft (421) is provided at the bottom end of the stirring rod (42), and the transfer shaft (421) is rotatably connected to the bottom of the rubber box (33), and the driving plug (412) is plug-connected to the transfer shaft (421); and a plurality of stirring blades (422) are evenly arranged at the top end of the stirring rod (42).

9. The method for increasing protection of a protective vehicle door according to claim 7, characterized in that: The discharge end of the gun-type glue suction pump (5) is provided with a glue injection tube (53), and the bottom of the gun-type glue suction pump (5) is provided with a handle (51), and the handle (51) is provided with a switch (52). The bottom of the gun-type glue suction pump (5) is provided with a guide hose (54), and the bottom end of the guide hose (54) is provided with a conversion cap (55), and the conversion cap (55) is connected to the glue discharge tube (34); the bottom of the handle (51) is connected to a connecting line (56), and the end of the connecting line (56) is provided with a connecting plug (57), and the connecting line (56) is connected to the bottom of the handle (51). The connecting plug (57) is connected to the connecting slot (36); the vibrating rod (6) is connected to the controller (62) via a connecting sleeve (61); the controller (62) is connected to the vibrating rod (6) via a wire from the inside of the connecting sleeve (61); a control button (63) is provided on the controller (62); a second wire (64) is provided on the side of the controller (62); a second plug connector (65) is provided at the end of the second wire (64); the second plug connector (65) is connected to the second plug slot (39).

10. A method for increasing protection of a protective vehicle door according to any one of claims 7 to 9, characterized in that: The invention also comprises a sealing cover (7), wherein the top end opening (24) of the rubber box (33) is provided, and the bottom of the sealing cover (7) is provided with an adapter ring (72), wherein the adapter ring (72) is threadedly connected to the rubber box (33), and a handle (71) is provided on the upper surface of the sealing cover (7), wherein the handle (71) is used to rotate the sealing cover (7) to facilitate the disassembly and assembly of the sealing cover (7).

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