High-strength anti-falling door plate for railway vehicle
Patent Information
- Application Number
- CN202522352809.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-06
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-06
AI Technical Summary
1、先将门板伸出,再将门板打开,避免单个的机械臂单独支持导致门板在开启过程中受到撞击出现脱落,提高了实用性;
Smart Images

Figure CN224785571U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of railway vehicle door panel manufacturing technology, specifically to a high-strength anti-detachment door panel for railway vehicles. Background Technology
[0002] In current applications, railway vehicle doors are generally either hinged doors or sliding doors. Hinged doors require manual operation, while sliding doors can be automated, typically using a robotic arm to extend and push them open. However, the support force of a single robotic arm is insufficient, and the door panel is prone to detachment when impacted during opening. Therefore, a high-strength anti-detachment door panel for railway vehicles is proposed. Utility Model Content
[0003] The purpose of this utility model is to address the defects and shortcomings of the existing technology by providing a high-strength anti-detachment door panel for railway vehicles. The door panel is extended first and then opened, avoiding the door panel from falling off due to impact during the opening process caused by a single robotic arm supporting it alone, thus improving practicality. When the anti-collision plate touches an object, the outer shell of the door panel stops moving, improving safety.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a door panel shell; a window is provided in the middle of the door panel shell; It also includes: There are two No. 1 connecting rods, one on the upper part and one on the lower part of the door panel shell. The No. 1 connecting rod is embedded in the body of the railway vehicle. A slider is fixed on the inner side wall of the No. 1 connecting rod. The upper and lower parts of the door panel shell have sliding grooves, and the slider slides in the sliding grooves. The rear end of the No. 1 connecting rod is fixed with the movable ends of two No. 1 electric push rods. The No. 1 electric push rods are fixed in the body of the railway vehicle. The No. 1 electric push rods are connected to an external power source. The first screw is located in the upper slide groove. The right end of the first screw is screwed into the slide groove through a bearing. The first screw is threaded through the upper slider. The right end of the first screw is connected to a drive motor. The drive motor is fixed in the left end of the slide groove and is connected to an external power source. The limiting rod is fixed in the lower slide groove, and the left and right ends of the limiting rod are fixed in the left and right side walls of the lower slide groove. The anti-collision mechanism is located inside the door panel shell.
[0005] Preferably, the anti-collision mechanism comprises: A crash barrier, wherein the crash barrier is embedded in the opening on the left side wall of the door panel shell; Two movable tubes are fixed to the upper and lower sides of the right side wall of the anti-collision plate, respectively. There are two connecting rods, each movably inserted into the movable tube; a mounting plate is fixed to the right end of the connecting rod; a switch is fixed to the left side wall of the mounting plate, the switch is a push-button switch, and the switch is electrically connected to the electric push rod. The springs are two in number and are respectively sleeved on the second connecting rod. One end of the spring is fixed to the movable tube and the other end of the spring is fixed to the mounting plate. There are two protruding tubes, each fixed to the right side wall of the mounting plate; a No. 2 screw is threaded into the protruding tube. Two extension motors are provided, each fixed to the right inner side wall of the door panel housing. The extension motors are connected to an external power source. The output shaft of the extension motor is connected to the second screw.
[0006] Preferably, several No. 1 reinforcing ribs are fixed in pairs, one in front and one behind, between the right inner wall of the door panel shell and the right side wall of the window, between the upper and lower inner walls of the door panel shell and the upper and lower side walls of the window, and on the left side wall of the window, with the No. 1 reinforcing rib on the left side abutting against the anti-collision plate.
[0007] Preferably, several No. 2 reinforcing ribs are fixed on the right inner side wall of the door panel shell; the left end of the No. 2 reinforcing ribs abuts against the anti-collision plate.
[0008] Preferably, the second electric push rod is fixed inside the railway vehicle body; the second electric push rod is connected to an external power source; the movable end of the second electric push rod is connected to a reinforcing hook, which is embedded in the upper right side wall of the front side of the door panel shell.
[0009] Preferably, the sealing ring is fixed to the rear side wall of the door panel shell, and several expansion grooves are formed on the outer ring wall of the sealing ring.
[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. Extend the door panel first, then open it. This avoids the door panel from falling off due to impact during the opening process caused by a single robotic arm supporting it alone, thus improving practicality. 2. When the anti-collision plate touches an object, the door panel shell stops moving, improving safety. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 yes Figure 1 Rear view.
[0013] Figure 3 This is a cross-sectional view of the outer shell of the door panel in this utility model.
[0014] Figure 4 yes Figure 3 Enlarged view of part A in the image.
[0015] Figure 5 yes Figure 3 Enlarged view of part B in the image.
[0016] Explanation of reference numerals in the attached figures: Door panel outer shell 1, slide rail 1-1, window 2, connecting rod 1 3, slider 4, electric push rod 1 5, screw 1 6, drive motor 7, limit rod 8, anti-collision mechanism 9, anti-collision plate 9-1, movable tube 9-2, connecting rod 2 9-3, mounting plate 9-4, switch 9-5, spring 9-6, extension tube 9-7, screw 2 9-8, extension motor 9-9, reinforcing rib 10, reinforcing rib 2 11, electric push rod 2 12, reinforcing hook 13, sealing ring 14, telescopic groove 14-1. Detailed Implementation
[0017] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0018] The specific implementation method adopts the following technical solution: Please see Figure 1-5 This embodiment includes a door panel shell 1; a window 2 is provided in the middle of the door panel shell 1; It also includes: There are two connecting rods 3, one on the top and one on the bottom of the door panel shell 1. The connecting rods 3 are embedded in the body of the railway vehicle. Slider 4 is fixed to the inner sidewall of the connecting rod 3 by bolts. The door panel shell 1 has grooves 1-1 on the top and bottom, and the slider 4 slides in the grooves 1-1. The rear end of the connecting rod 3 is fixed to the movable ends of two electric push rods 5 by bolts. The electric push rods 5 are fixed in the body of the railway vehicle. The electric push rods 5 are connected to an external power source. The specific model of the electric push rods 5 is purchased and installed directly from the market according to the actual usage requirements. The first screw 6 is located in the upper slide groove 1-1. The right end of the first screw 6 is screwed into the slide groove 1-1 through a bearing. The first screw 6 is threaded through the upper slider 4. The right end of the first screw 6 is connected to a drive motor 7. The drive motor 7 is fixed to the left end of the slide groove 1-1 by bolts. The drive motor 7 is connected to an external power supply. The specific model of the drive motor 7 is purchased and installed directly from the market according to the actual use requirements. The limiting rod 8 is fixed in the lower slide groove 1-1, and the left and right ends of the limiting rod 8 are distributed and fixed in the left and right side walls of the lower slide groove 1-1. Anti-collision mechanism 9, wherein the anti-collision mechanism 9 is disposed within the door panel outer shell 1, and the anti-collision mechanism 9 comprises: Anti-collision plate 9-1, wherein the anti-collision plate 9-1 is embedded in the opening on the left side wall of the door panel outer shell 1; There are two movable tubes 9-2, which are respectively fixed to the upper and lower right side walls of the anti-collision plate 9-1 by bolts. There are two connecting rods 9-3, which are movably inserted into the movable tube 9-2 respectively; the right end of the connecting rod 9-3 is fixed with a mounting plate 9-4; the left side wall of the mounting plate 9-4 is fixed with a switch 9-5, which is a push-button switch and is electrically connected to the first electric push rod 5. Spring 9-6, there are two springs 9-6, and they are respectively sleeved on the second connecting rod 9-3. One end of spring 9-6 is fixed to the movable tube 9-2, and the other end of spring 9-6 is fixed to the mounting plate 9-4; There are two extension tubes 9-7, which are fixed on the right side wall of the mounting plate 9-4 respectively; a second screw 9-8 is screwed into the extension tube 9-7. There are two extension motors 9-9, which are respectively fixed to the right inner side wall of the door panel shell 1 by bolts. The extension motors 9-9 are connected to an external power supply. The specific model of the extension motors 9-9 is purchased and installed directly from the market according to the actual use requirements. The output shaft of the extension motors 9-9 is connected to the second screw 9-8. The first reinforcing rib 10, there are several first reinforcing ribs 10, and they are fixed in pairs between the right inner side wall of the door panel shell 1 and the right side wall of the window 2, between the upper and lower inner side walls of the door panel shell 1 and the upper and lower side walls of the window 2, and on the left side wall of the window 2. The first reinforcing rib 10 on the left side abuts against the anti-collision plate 9-1. The number of No. 2 reinforcing ribs 11 is several, and they are respectively fixed on the right inner side wall of the door panel shell 1; the left end of the No. 2 reinforcing rib 11 abuts against the anti-collision plate 9-1; The second electric push rod 12 is fixed inside the body of the railway vehicle; the second electric push rod 12 is connected to an external power source; the specific model of the second electric push rod 12 is purchased directly from the market and installed according to actual usage requirements; the movable end of the second electric push rod 12 is connected to a reinforcing hook 13, which is embedded in the upper right side wall of the front side wall of the door panel shell 1. The sealing ring 14 is fixed to the rear side wall of the door panel shell 1 by adhesive. Several expansion grooves 14-1 are provided on the outer ring wall of the sealing ring 14.
[0019] When using this utility model, starting the first electric push rod 5 extends, and starting the second electric push rod 12 extends, causing the reinforcing hook 13 to disengage from the door panel shell 1, thus allowing the door panel shell 1 to extend; starting the drive motor 7 causes the first screw 6 to rotate, and under the action of the limit rod 8, the slider 4 moves relative to the first screw 6, thereby causing the door panel shell 1 to move to the left and open; starting the extension motor 9-9 causes the second screw 9-8 to rotate, driving the extension tube 9-7 to extend, causing the anti-collision plate 9-1 to extend. When the anti-collision plate 9-1 touches an object, the spring 9-6 is compressed, and the movable tube 9-2 presses against the switch 9-5, causing the first electric push rod 5 to close, and the door panel shell 1 to stop moving, thus improving safety; After the door panel shell 1 is closed, the sealing ring 14 presses against the door frame, and the telescopic groove 14-1 is compressed, resulting in a better sealing effect; the second electric push rod 12 is activated so that the reinforcing hook 13 is embedded in the door panel shell 1, enhancing the sealing performance of the door panel shell 1.
[0020] Compared with the prior art, the beneficial effects of this utility model are: 1. By moving the first electric push rod 5 and the slider 4 relative to the first screw 6, the door panel shell 1 is first extended, and then the door panel shell 1 is moved to the left to open. This avoids the door panel from being hit and falling off during the opening process due to the single robotic arm supporting it alone, thus improving practicality. 2. When the anti-collision plate 9-1 touches an object, the spring 9-6 is compressed, the movable tube 9-2 presses against the switch 9-5, causing the first electric push rod 5 to close and the door panel shell 1 to stop moving, thus improving safety. 3. The door panel outer shell 1 is equipped with a first reinforcing rib 10 and a second reinforcing rib 11, which improves the internal strength of the door panel outer shell 1; 4. A reinforcing hook 13 is provided. After the door panel shell 1 is closed, the reinforcing hook 13 is embedded in the door panel shell 1 to enhance the sealing performance of the door panel shell 1.
[0021] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A high-strength anti-detachment door panel for railway vehicles, comprising a door panel shell (1); a window (2) is provided in the middle of the door panel shell (1); Its features are, It also includes: There are two No. 1 connecting rods (3), which are respectively located on the upper and lower parts of the door panel shell (1); the No. 1 connecting rods (3) are embedded in the body of the railway vehicle; a slider (4) is fixed on the inner side wall of the No. 1 connecting rod (3), and the upper and lower parts of the door panel shell (1) are provided with sliding grooves (1-1), and the slider (4) is slidably located in the sliding grooves (1-1); the rear end of the No. 1 connecting rod (3) is fixed with the movable ends of two No. 1 electric push rods (5), and the No. 1 electric push rods (5) are fixed in the body of the railway vehicle; the No. 1 electric push rods (5) are connected to an external power source; The first screw (6) is located in the upper slide groove (1-1). The right end of the first screw (6) is screwed into the slide groove (1-1) through a bearing. The first screw (6) is threaded through the upper slider (4). The right end of the first screw (6) is connected to a drive motor (7). The drive motor (7) is fixed in the left end of the slide groove (1-1). The drive motor (7) is connected to an external power source. The limiting rod (8) is fixed in the lower slide groove (1-1), and the left and right ends of the limiting rod (8) are fixed in the left and right side walls of the lower slide groove (1-1). The anti-collision mechanism (9) is located inside the door panel shell (1).
2. The high-strength anti-detachment door panel for railway vehicles according to claim 1, characterized in that: The aforementioned anti-collision mechanism (9) includes: A crash barrier (9-1) is embedded in the opening on the left side wall of the door panel shell (1); Two movable tubes (9-2) are fixed to the upper and lower right side walls of the anti-collision plate (9-1), respectively. There are two connecting rods (9-3), which are movably inserted into the movable tube (9-2). The right end of the connecting rod (9-3) is fixed with a mounting plate (9-4). The left side wall of the mounting plate (9-4) is fixed with a switch (9-5). The switch (9-5) is a push-button switch and is electrically connected to the first electric push rod (5). Spring (9-6), there are two springs (9-6), and they are respectively sleeved on the second connecting rod (9-3). One end of the spring (9-6) is fixed to the movable tube (9-2), and the other end of the spring (9-6) is fixed to the mounting plate (9-4); There are two extension tubes (9-7), which are fixed on the right side wall of the mounting plate (9-4) respectively; a second screw (9-8) is screwed into the extension tube (9-7). Extending motor (9-9): There are two extending motors (9-9), which are respectively fixed on the right inner side wall of the door panel shell (1). The extending motor (9-9) is connected to an external power source. The output shaft of the extending motor (9-9) is connected to the second screw (9-8).
3. A high-strength anti-detachment door panel for railway vehicles according to claim 2, characterized in that: Several No. 1 reinforcing ribs (10) are fixed in pairs, one in front and one behind, between the right inner side wall of the door panel shell (1) and the right side wall of the window (2), between the upper and lower inner side walls of the door panel shell (1) and the upper and lower side walls of the window (2), and on the left side wall of the window (2). The No. 1 reinforcing rib (10) on the left side abuts against the anti-collision plate (9-1).
4. A high-strength anti-slip door panel for railway vehicles according to claim 2, characterized in that: Several No. 2 reinforcing ribs (11) are fixed on the right inner side wall of the door panel shell (1); the left end of the No. 2 reinforcing ribs (11) abuts against the anti-collision plate (9-1).
5. A high-strength anti-slip door panel for railway vehicles according to claim 1, characterized in that: The second electric push rod (12) is fixed in the body of the railway vehicle; the second electric push rod (12) is connected to an external power source; the movable end of the second electric push rod (12) is connected to a reinforcing hook (13), which is embedded in the upper right side wall of the front side wall of the door panel shell (1).
6. A high-strength anti-slip door panel for railway vehicles according to claim 1, characterized in that: The sealing ring (14) is fixed on the rear side wall of the door panel outer shell (1), and several expansion grooves (14-1) are provided on the outer ring wall of the sealing ring (14).