KR20230071829A - Plug-in/out bulletproof door for rail vehicles - Google Patents

Abstract

The present invention relates to a plug-in/out bulletproof door for railway vehicles. By improving a structure of a door that opens and closes a vehicle body entrance of the railway vehicle, a bulletproof function is added. While the plug-in/out bulletproof door for railway vehicles has a sturdy structure that is resistant to external shocks and is equipped with a bulletproof film in particular, a door frame with an improved surface through anodizing and chrome plating, a plurality of panels, and an aluminum honeycomb core are applied together so that durability is further improved and safety is improved.

Description

Plug-in/out bulletproof door for rail vehicles {Plug-in/out bulletproof door for rail vehicles}

The present invention relates to a plug-in/out bulletproof door for a railroad car, and more particularly, to a bulletproof plug-in/out door for a railroad car that is robust and safe by improving the structure of a door that opens and closes an entrance and exit of a railway car body to have a bulletproof function. it's about

In general, an automatic door that can be opened and closed by a driver or a crew member through a simple operation is installed at an entrance/exit for getting on/off in a railway vehicle.

An example of such an automatic opening/closing door is a door that is operated by various driving devices such as electric or hydraulic, and is installed in a sliding manner at the entrance and exit of a subway vehicle.

However, since the conventional sliding door system has a structure in which the door cannot be adhered to the vehicle body despite its simple structure and low manufacturing cost, a space separated between the door and the vehicle body is inevitably formed even when the door is closed. Since the sealing between the inside and outside of the vehicle is not properly sealed, external noise including driving noise of the vehicle is introduced into the cabin, energy required for cooling and heating is wasted, and noise and vibration caused by door shaking while driving the vehicle There are various problems such as this occurring. In particular, as the driving speed of the vehicle increases, the problem becomes more severe in the case of a high-speed vehicle.

Of course, a plug in/out door system has been proposed as a solution to the problem of the sliding door device. The plug-in/out door system opens and closes the door by inserting it into the doorway. The door is moved to the front or rear of the doorway along the wall or inside the pocket of the car body, and then inserted into the doorway and closely attached to the car body. A closing operation is performed, and an opening operation is performed in such a manner that the door is drawn out to the outside of the entrance and then moved to the side of the entrance along the wall surface of the vehicle body or the inside of the pocket.

As a prior art related to such a plug-in/outdoor system, Registration Patent No. 10-1191565 (Reference 1) and the like have been proposed. Reference 1 relates to a plug-in/out opening and closing device for improving the airtightness of an entrance door of a railway vehicle, and is disposed on one side of the entrance and fixed to the vehicle body in opening and closing the entrance door installed in the entrance of the railway vehicle. a locking device base; upper and lower hooks that are pivotally connected to the upper and lower sides of the locking device base and respectively lock and unlock the upper and lower locking pins installed on one side of the door according to the direction of rotation; a drive motor for locking the door that is fixed to the base of the locking device and generates rotational power; a two-axis conversion gear device installed on the locking device base so that rotational force is simultaneously output from an output shaft for operating a hook and an output shaft for operating a lock rod, which are interlocked with the output end of the drive motor for locking the door; an elbow bracket for hook operation, one end of which is fixed to the output shaft for hook operation; a hook operating connector pivotally connected to the other end of the hook operating elbow bracket; It is characterized in that it includes rods for locking the upper and lower hooks, one end of which is pivotally connected to both ends of the connector for operating the hook and the other ends are pivotally connected to the upper hook and the lower hook, respectively, and operate to move up and down.

However, the door of the plug-in/out door device (or system) to which the opening and closing and locking device proposed in Reference 1 is applied must be made robust to have a bulletproof function compared to doors installed indoors, depending on the purpose of the vehicle. However, when the thickness of the door panel itself is thickened, the weight increases and there is a problem that requires a lot of power to open and close the doorway.

Reference 1: Registered Patent No. 10-1191565

Therefore, the present invention is to solve these problems, and the present invention improves the structure of the door that opens and closes the entrance and exit of the railway car body to have a bulletproof function, so that it is strong and strong against external impact. Its purpose is to provide a door.

The present invention to solve such a technical problem;

In a plug-in/out door for a railroad car that opens and closes an entrance and exit of a body of a railroad car, the door includes a plate-shaped ballistic member.

At this time, the door is characterized in that it includes a door frame maintaining the shape of the door, a ballistic member fixed to the door frame, and an inside panel and an outside panel wrapped around and fixed to the door frame to which the bulletproof member is fixed.

In addition, the door frame is characterized in that a plurality of horizontal and vertical frames are intersected and integrally coupled, and anodizing is performed to improve strength and corrosion resistance while being made of aluminum.

In addition, the bulletproof member is characterized in that it is fixed to the door frame in a state of being attached to the inner surface of the middle panel made of a bulletproof film of a certain thickness.

At this time, the middle panel is made of aluminum and is characterized in that chrome plating is performed to improve strength and corrosion resistance.

In addition, the inside panel and the outside panel are made of aluminum, and chrome plating is performed to improve strength and corrosion resistance.

In addition, an aluminum honeycomb core is further mounted between the bulletproof member and the inside panel.

At this time, it is characterized in that it is fixed to the door frame through a fixing bracket that surrounds and supports the middle panel and the aluminum honeycomb core to which the bulletproof member is attached.

According to the present invention, a door that opens and closes an entrance and exit of a railway vehicle body is provided with a bullet-proof member and has a robust structure, so that the safety of the door is further improved by being resistant to external impact.

In particular, according to the present invention, the door frame having an improved surface by performing anodizing and chrome plating while having a bulletproof film on the door, and applying a plurality of panels and an aluminum honeycomb core together, thereby further improving durability as well as bulletproof function. It works.

1 is a diagram showing the entire configuration of a system equipped with a plug-in/out ballistic door for a railroad car according to the present invention.
2 is a cross-sectional view showing an installed state of a system equipped with a plug-in/out ballistic door for a railroad car according to the present invention.
3a is a front view of a plug in/out ballistic door according to the present invention.
3B is a top cross-sectional view of a plug in/out ballistic door according to the present invention.
3C is a cross-sectional side view of a plug in/out bulletproof door according to the present invention.
Figure 3d is a front view showing a door frame constituting a plug-in / out bulletproof door according to the present invention.
3E is an enlarged view of a cross section of a plug-in/out bulletproof door according to the present invention.
4A is a cross-sectional view of a packing member for sealing applied to a plug-in/out ballistic door according to the present invention.
4B is a cross-sectional view of a safety packing member applied to a plug-in/out bulletproof door according to the present invention.

Hereinafter, the characteristics of the plug-in/out ballistic door for a railroad vehicle according to the present invention will be understood by referring to the accompanying drawings according to an embodiment described in detail.

Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so at the time of this application, they can be replaced. It should be understood that there may be many equivalents and variations.

1 to 4, the plug-in/out system for a railroad vehicle to which the bulletproof door according to the present invention is applied is installed in the entrance 10 formed on the side of the body 1 of the railroad vehicle to open and close the entrance 10. When the plug-in/out ballistic door 100 (hereinafter, referred to as 'door') is first opened or finally closed, a plugging operation is performed to the inside and outside of the vehicle body 1 of the railway vehicle, and in situations other than the plugging operation, the vehicle body 1 ) is a door system that moves in a sliding manner along the wall of the door.

Such a plug-in/out system for railroad vehicles is preferably applied to, for example, a high-speed passenger train of 160 km/h class or higher, and the door 100 for opening and closing the entrance 10 formed in the body 1 of the railroad vehicle And, a door locking device 200 for locking or unlocking the door 100 in a closed state of the entrance 10 of the vehicle body 1, and the door 100 in a state in which the door locking device 200 is released and a door opening and closing device 300 for opening and closing the entrance 10 by plugging and sliding.

Of course, the operation of the door locking device 200 and the door opening and closing device 300 is controlled by the door control unit 400 that transmits and receives door operation commands to and from the train controller.

The door 100 of the present invention applied to such a plug-in/out system for railway vehicles is installed in the entrance 10 to open and close the entrance 10 formed in the body 1 of the railway vehicle, and maintains the shape of the door. A door frame 110 that is fixed to the door frame 110, a bulletproof member 120 fixed to the door frame 110, an inside panel 130 fixed by wrapping around the door frame 110 to which the bulletproof member 120 is fixed, and an outside It includes panel 140.

Hereinafter, the configuration of each part of the present invention will be described in detail.

The door 100 is preferably made of a bulletproof structure without a window.

Of course, the door 100 is further provided with a handle 103 at one central side and one lower side of the door 100 to manually open and close the door 100 .

Here, the inside (inside) of the door 100 means the indoor side of the vehicle body 1, and the outside (outside) of the door 100 means the outside side of the vehicle body 1.

Accordingly, the inside panel 130 refers to a panel installed in the indoor direction of the vehicle body 1, and the outside panel 140 refers to a panel installed in the outdoor direction of the vehicle body 1.

The door frame 110 has a rectangular structure as a whole, and has a structure in which a plurality of horizontal and vertical frames 111 and 112 intersect and are integrally combined. It is preferable that all of the plurality of horizontal and vertical frames 111 and 112 constituting the door frame 110 are made of a material having a ballistic function.

For example, the door frame 110 is preferably made of aluminum, particularly A6063S, and anodized to improve strength and corrosion resistance.

The plate-shaped bulletproof member 120 is integrally fixed to the door frame 110 by means of the first fastening means 121. In this case, as the first fastening means 121, various means such as screws, bolts, nuts, and rivets may be used.

In addition, the plate-shaped bulletproof member 120 may be formed in the form of a rectangular plate-shaped film or plate, and preferably a bulletproof film having a certain thickness is used.

For example, the bulletproof film is composed of a structure in which a plurality of films are combined, and although it may be made of various materials as a main material, it is preferable to use a material made of PE (Polyethylene) and having a thickness of 8 mm.

At this time, the door frame 110 is integrally fixed with the first fastening means 121 while the plate-shaped bulletproof member 120 is attached to the inner surface of the plate-shaped middle panel 150 .

That is, the outer surface, which is one surface of the middle panel 150, is supported by the door frame 110, and the plate-shaped bulletproof member 120 is attached to the inner surface, which is the other surface of the middle panel 150.

Here, the middle panel 150 is preferably made of a material having a ballistic function. For example, the middle panel 150 is made of aluminum, particularly A50502P, and chrome plating is used to improve strength and corrosion resistance.

In addition, the door frame 110 to which the plate-shaped bulletproof member 120 and the middle panel 150 are fixed is integrally fixed while the inside panel 130 and the outside panel 140 are wrapped around.

At this time, the inside panel 130 and the outside panel 140 are also preferably made of a material having a ballistic function like the middle panel 150 . For example, the inside panel 130 and the outside panel 140, like the middle panel 150, are also made of aluminum, particularly A50502P, and chrome plating is used to improve strength and corrosion resistance.

Meanwhile, an aluminum honeycomb core 160 is further mounted between the inside panel 130 and the plate-shaped bulletproof member 120 as a reinforcing member having a honeycomb structure.

The aluminum honeycomb core 160 has a structure in which thin aluminum plates are processed into a honeycomb shape, and 90 to 99% of the space is empty, so it is light and has excellent energy absorption and impact resistance, so that the strength of the door 100 can be further improved. .

At this time, the aluminum honeycomb core 160 is made of A3104, and for example, it is preferable to use one having a thickness of 19 mm.

The aluminum honeycomb core 160 is disposed on the inner surface of the plate-shaped bulletproof member 120 attached to the inner surface of the middle panel 150, and the middle panel to which the plate-shaped bulletproof member 120 is attached ( 150) and the aluminum honeycomb core 160 are fixed to the door frame 110 via a fixing bracket 170 that surrounds and supports the whole.

Of course, the fixing bracket 170 is integrally fixed to the door frame 110 by bolts and nuts that are the first fastening means 121 .

At this time, the fixing bracket 170 may be made of one component, but may be divided into two or more configurations in consideration of the ease of manufacture of the fastening portion and the like. Like the door frame 110, the fixing bracket 170 is made of aluminum, particularly A6063S, and is preferably anodized to improve strength and corrosion resistance.

In this way, the inside panel 130 is installed in the fixing bracket 170 that surrounds and supports the middle panel 150 to which the aluminum honeycomb core 160 and the plate-shaped bulletproof member 120 are attached as a whole. ) is integrally fixed by In this case, the second fastening means 131 may be formed of various coupling means such as screws, bolts and nuts, and rivets.

Therefore, the door 100 includes an inside panel 130, a fixing bracket 170, an aluminum honeycomb core 160, a plate-shaped bulletproof member 120, The middle panel 150, the door frame 110, and the outside panel 140 are arranged and combined in a structure.

In addition, the door 100 should be able to maintain an airtight structure when closing the entrance 10 of the vehicle body 1 . Accordingly, a packing member 180 for sealing that encloses the door 100 as a whole is mounted on the front side of the edge of the door 100 so that rainwater from outside when the door 100 closes the entrance 10 of the vehicle body 1 It functions to prevent the light from entering the interior of the vehicle body 1 as well as to block noise.

As shown in FIG. 4A, the packing member 180 for sealing is integrally formed with elastic wings 182 inward along the edge of the body 181, so that the door 100 is connected to the entrance 10 of the vehicle body 1. ) When closing, the airtightness between the door 100 and the entrance 10 is maintained to prevent rainwater from entering the gap between the door 100 and the entrance 10.

In addition, as shown in FIG. 4B, a safety packing member 190 is further mounted on the edge of one side of the door 100 to further protect passengers from getting their hands caught, which is It is mounted so that it is located on the rear side. Therefore, the safety packing member 190 is double mounted on the rear side of the sealing packing member 180 at the edge of one side of the door 100 to effectively prevent passengers from getting their hands caught.

This safety packing member 190 has a narrow outer diameter at one end of the body 191, and a safety protrusion 192 in which a hollow part 192a is formed in the center is formed, so that when a passenger's hand gets caught, etc. To prevent the rise of the body 191, the other end of the body 191 is formed with a fitting protrusion 193 whose diameter is extended, so that the door 100 can be mounted by simply fitting and fixing it to the edge of one side of the door 100.

More specifically, while the outer diameter of the safety protrusion 192 of the safety packing member 190 becomes narrower towards the end, the hollow part 192a also becomes narrower toward the end, and the hollow part 192a A return protrusion 192b is formed on the inside of the front end of the safety protrusion 192 to promptly restore it to its original shape in a deformed state when the passenger's hand is released. prevent breakage.

In addition, the fitting protrusion 193 is connected to the body 191 through the neck portion 194, and the fitting protrusion 193 has a triangular cross section, that is, a wedge shape, and is formed on the edge of one side of the door 100. A through portion 193a is formed in the center for easy fitting.

Of course, the body 181 of the sealing packing member 180 also has the same hollow part 181a structure as the safety protrusion 192 of the safety packing member 190 to prevent injuries due to passengers getting their hands caught. You may.

Edge sensors 105 and 106 for detecting one side of the entrance 10 of the vehicle body 1 or a passenger are mounted in the hollow parts 181a and 192a of the sealing packing member 180 and the safety packing member 190, respectively. .

At this time, it is preferable that both the sealing packing member 180 and the safety packing member 190 are made of a rubber material, but if they have excellent adhesion and elasticity, they can also be made of various synthetic resin materials.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art can make various modifications and variations without departing from the essential characteristics of the present invention. The protection scope of should be interpreted by the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

1: body 10: doorway
100: door 110: door frame
120: bulletproof member 130: inside panel
140: outside panel 150: middle panel
160: aluminum honeycomb core 170: fixing bracket
180: sealing member 190: safety packing member
191: body 192: safety protrusion
192a: hollow part 192b: projection for return
193: fitting protrusion 193a: penetrating portion
194: neck 200: door lock
300: door opener 400: door control unit

Claims (8)

In the plug-in / outdoor door for a railroad car that opens and closes the entrance and exit of a railroad car body,
The door is a plug-in / out bulletproof door for a railway vehicle, characterized in that it comprises a plate-shaped ballistic member.
According to claim 1,
The door is a plug for a railway vehicle, characterized in that it includes a door frame maintaining a door shape, a bulletproof member fixed to the door frame, and an inside panel and an outside panel fixed by wrapping around the door frame to which the bulletproof member is fixed. In/out bulletproof doors.
According to claim 2,
The door frame is integrally coupled by crossing a plurality of horizontal and vertical frames, and is made of aluminum, but is anodized to improve strength and corrosion resistance.
According to claim 2,
The bulletproof member is made of a bulletproof film having a certain thickness and is fixed to the door frame while being attached to the inner surface of the middle panel.
According to claim 4,
The middle panel is made of aluminum, but chrome plating is performed to improve strength and corrosion resistance.
According to claim 2,
The inside panel and the outside panel are made of aluminum and chrome-plated to improve strength and corrosion resistance.
According to claim 2,
An aluminum honeycomb core is further mounted between the bulletproof member and the inside panel.
According to claim 7,
A plug-in/out bulletproof door for a railway vehicle, characterized in that it is fixed to the door frame via a fixing bracket that surrounds and supports the middle panel to which the bulletproof member is attached and the aluminum honeycomb core as a whole.

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