Rail vehicle pedal lock sealing flip cover device
Patent Information
- Application Number
- CN202522493560.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-25
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-11-25
AI Technical Summary
[0002]现有轨道车辆踏板装置的前端翻盖装置仅依靠活动盖板自重或扭簧力实现密封和锁闭功能,车辆运行过程中,车身晃动导致踏板存在冲击振动工况,现有结构无法实现翻盖装置的可靠稳定密封,踏板结构件受环境影响加速失效,影响踏板使用寿命
[0009] Beneficial effects: Compared with the prior art, this utility model has the following significant advantages: This utility model achieves the mechanical locking function of the flip cover device through the cooperation of the locking pin and the pressing locking block on the movable pedal. In the locked state, due to the influence of the pedal's own weight or the locking force of the locking device, the sealing strip around the cover plate contacts the sealing surface more reliably and tightly, resulting in better sealing.
Smart Images

Figure CN224766727U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rail vehicles, and in particular to a rail vehicle pedal locking and sealing flip cover device. Background Technology
[0002] The existing front flip-top device of the rail vehicle pedal relies solely on the weight of the movable cover or the force of the torsion spring to achieve the sealing and locking functions. During vehicle operation, the vehicle body swaying causes the pedal to experience impact vibration. The existing structure cannot achieve a reliable and stable seal for the flip-top device. The pedal structural components are affected by the environment, which accelerates their failure and affects the service life of the pedal.
[0003] Therefore, it is necessary to develop new sealing flip-top devices to overcome the above problems. Summary of the Invention
[0004] Purpose of the utility model: In view of the shortcomings and defects of the existing technology, this utility model provides a locking and sealing flip cover device for rail vehicle pedals. The flip cover assembly is provided with locking hooks on both sides, which cooperate with the pins on the movable pedal. When the pedal is closed, the flip cover assembly is mechanically locked. The locking force generated by the pedal device locking assembly or the weight of the pedal itself is used to stably and reliably press the flip cover assembly onto the pedal frame.
[0005] Technical Solution: This utility model discloses a locking and sealing flip-top device for a rail vehicle pedal, characterized in that it includes a fixed plate, a flip-top plate, a sealing strip, a pressing and locking block, and a locking pin; the fixed plate is mounted on the pedal frame, and the fixed plate and the flip-top plate are hinged together by a long shaft, on which several return torsion springs are provided; the sealing strip is evenly distributed on the edge of the flip-top plate; the pressing and locking block is fixedly connected to the flip-top plate; and the locking pin is located on the left and right sides of the movable pedal.
[0006] The aforementioned pedal frame is located on the rail vehicle.
[0007] The movable pedal is located on the rail vehicle.
[0008] The pedal frame moves relative to the movable pedal.
[0009] Beneficial effects: Compared with the prior art, this utility model has the following significant advantages: This utility model achieves the mechanical locking function of the flip cover device through the cooperation of the locking pin and the pressing locking block on the movable pedal. In the locked state, due to the influence of the pedal's own weight or the locking force of the locking device, the sealing strip around the cover plate contacts the sealing surface more reliably and tightly, resulting in better sealing. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the structure of this utility model;
[0011] Figure 2This is a schematic diagram of the structure of the present invention in its locked state;
[0012] In the diagram, 1 is the fixed plate; 2 is the flip plate; 3 is the sealing strip; 4 is the clamping locking block; and 5 is the locking pin. Detailed Implementation
[0013] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0014] This utility model discloses a locking and sealing flip-top device for a rail vehicle pedal, comprising a fixed plate 1, a flip-top plate 2, a sealing strip 3, a pressing and locking block 4, and a locking pin 5. The fixed plate 1 is mounted on the pedal frame, and the fixed plate 1 and the flip-top plate 2 are hinged together by a long shaft, on which several return torsion springs are provided. The sealing strip 3 is evenly distributed along the edge of the flip-top plate 2. The pressing and locking block 4 is fixedly connected to the flip-top plate 2. The locking pin 5 is located on the left and right sides of the movable pedal. The pedal frame is located on the rail vehicle. The movable pedal is located on the rail vehicle. The pedal frame and the movable pedal move relative to each other.
[0015] When the active pedal approaches the retraction position, the locking pin 5 on the active pedal moves above the pressing locking block 4, begins to contact the pressing locking block 4, and forces the flip plate 2 to swing in the closing direction as the pedal moves backward.
[0016] After the movable pedal is retracted and locked, the movable pedal, under its own weight or the locking force of the locking device, presses the locking block 4 through the locking pin 5, keeping the flip plate 2 in the closed position and pressing the sealing strip 3 onto the sealing surface, thus achieving mechanical locking and reliable sealing of the flip cover device.
[0017] When the movable pedal is unlocked and extends forward, the movable pedal drives the locking pin 5 to move forward, so that the locking block 4 has room to rotate. The front end of the movable pedal pushes the flip plate 2 to flip, and the movable pedal continues to extend until the opening action is completed.
[0018] This invention achieves the mechanical locking function of the flip-top device through the cooperation of the locking pin and the locking block on the movable pedal. In the locked state, due to the weight of the pedal or the locking force of the locking device, the sealing strip around the cover plate contacts the sealing surface more reliably and tightly, resulting in better sealing.
Claims
1. A rail vehicle step lock sealing flipper device, characterized by: It includes a fixed plate (1), a flip plate (2), a sealing strip (3), a pressing and locking block (4), and a locking pin (5); the fixed plate (1) is installed on the pedal frame, and the fixed plate (1) and the flip plate (2) are hinged by a long shaft, on which a number of return torsion springs are provided; the sealing strip (3) is evenly distributed on the edge of the flip plate (2); the pressing and locking block (4) is fixedly connected to the flip plate (2); the locking pin (5) is located on the left and right sides of the movable pedal.
2. A rail vehicle step lock sealing flap device according to claim 1, characterized in that: The aforementioned pedal frame is located on the rail vehicle.
3. A rail vehicle step lock sealing flap device according to claim 2, characterized in that: The movable pedal is located on the rail vehicle.
4. A rail vehicle step lock sealing flap device according to claim 3, characterized in that: The pedal frame moves relative to the movable pedal.