Punch-formed train hand wheel

Abstract

The utility model relates to the technical field of hand wheels, in particular to a punch-formed train hand wheel which comprises a hand wheel body, the hand wheel body is arranged on a rotating rod in a sleeved mode, a lower baffle ring and an upper baffle ring are fixedly connected to the rotating rod, the hand wheel body is located between the lower baffle ring and the upper baffle ring, and an installation cavity is formed in the hand wheel body. An inserting column is connected into the mounting cavity through a triggering mechanism, a through hole is formed in the mounting cavity in a penetrating mode, an inserting hole is formed in the rotating rod, and the inserting column can penetrate through the through hole to enter the inserting hole. According to the utility model, the emergency braking condition caused by mistaken touch is avoided, and dangerous accidents are prevented from being caused.

Description

Technical Field

[0001] This utility model relates to the field of handwheel technology, and in particular to a stamped train handwheel. Background Technology

[0002] Some train carriages are equipped with handwheel-type emergency braking devices that require manual rotation. Since the handwheel is usually fixedly connected to the lever, rotating the handwheel will always drive the lever to rotate, thus completing the emergency braking. However, sometimes accidental activation can occur, causing the handwheel to rotate and the lever to rotate, resulting in the train braking unexpectedly and triggering an emergency braking. Due to the inertia of passengers and cargo, this can cause passengers to fall or cargo to shift, leading to dangerous accidents. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies where accidental touches can cause the handwheel to rotate, leading to the rotation of the lever and potentially causing dangerous accidents. This invention proposes a stamped train handwheel.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Design a stamped train handwheel, including a handwheel body, which is sleeved on a rotating rod. A lower retaining ring and an upper retaining ring are fixedly connected to the rotating rod. The handwheel body is located between the lower and upper retaining rings. An installation cavity is formed on the handwheel body. An insertion post is connected to the installation cavity through a triggering mechanism. A through hole is formed through the installation cavity. An insertion hole is formed on the rotating rod. The insertion post can pass through the through hole and enter the insertion hole.

[0006] Preferably, the handwheel body is provided with an elastic layer.

[0007] Preferably, the triggering mechanism includes a roller mounted on an insertion post, a movable block abutting against the roller, an inclined surface being provided on the movable block, a movable part being fixedly connected to the movable block, the movable part being located directly below the upper retaining ring, and a first spring being fixedly connected between the movable block and the mounting cavity.

[0008] Preferably, the mounting cavity is provided with a sealing cover, and the sealing cover has a through groove through which the moving part passes.

[0009] Preferably, the mounting cavity has a threaded hole, and the sealing cover has multiple screws evenly spaced around its circumference, with the screws threadedly connected to the threaded hole.

[0010] Preferably, a connecting ring is fixedly connected to the insertion post, and a second spring is fixedly connected to the inner wall of the mounting cavity, with the second spring sleeved on the insertion post.

[0011] Preferably, the rotating rod is provided with a wear-resistant layer.

[0012] The present invention proposes a stamped train handwheel, which has the following advantages: In the normal state, the insertion post is not located in the insertion hole, so that in the event of accidental contact, only the handwheel rotates, while the lever does not rotate, thus avoiding the situation of accidental contact leading to emergency braking and preventing dangerous accidents. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a stamped train handwheel proposed in this utility model;

[0014] Figure 2 This is a perspective view of a stamped train handwheel according to the present invention.

[0015] Figure 3 This is a perspective view of the main body of a stamped train handwheel according to the present invention.

[0016] Figure 4 This is a perspective view of a stamped train handwheel lever proposed in this utility model;

[0017] Figure 5 This is a three-dimensional cross-sectional view of the main body of a stamped train handwheel proposed in this utility model;

[0018] Figure 6 This utility model proposes a stamped train handwheel. Figure 5 The front view;

[0019] Figure 7 This utility model proposes a stamped train handwheel. Figure 6 Enlarged view of section A in the middle.

[0020] In the diagram: 1. Handwheel body; 2. Rotating rod; 3. Lower retaining ring; 4. Sealing cover; 5. Upper retaining ring; 6. Moving part; 7. Insertion hole; 8. Mounting cavity; 9. Through hole; 10. Moving block; 11. First spring; 12. Connecting ring; 13. Second spring; 14. Roller; 15. Insertion post. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Example 1: Refer to Figure 1-7A stamped train handwheel includes a handwheel body 1, which is stamped and has an elastic layer made of rubber to ensure comfort when the handwheel is turned at low temperatures. The handwheel body 1 is mounted on a rotating rod 2, and a thrust ball bearing is used when the rotating rod 2 is connected to the support component to handle axial force loads.

[0023] A lower retaining ring 3 and an upper retaining ring 5 are fixedly connected to the rotating rod 2. The rotating rod 2 is provided with a wear-resistant layer made of stainless steel wear-resistant material. The handwheel body 1 is located between the lower retaining ring 3 and the upper retaining ring 5. The handwheel body 1 has an installation cavity 8. An insertion post 15 is connected to the installation cavity 8 through a trigger mechanism. A through hole 9 is provided through the installation cavity 8. An insertion hole 7 is provided on the rotating rod 2. When rotation is required, the insertion post 15 is inserted into the insertion hole 7 through the through hole 9, which connects the handwheel and the rotating rod 2. When the handwheel is turned, the rotating rod 2 rotates. In the normal state, the insertion post 15 is not located in the insertion hole 7. Therefore, in the event of accidental activation, only the handwheel rotates, while the rotating rod 2 does not rotate, avoiding accidental activation that could lead to emergency braking and preventing dangerous accidents.

[0024] Example 2: Refer to Figure 5-7 In another preferred embodiment of this utility model, based on embodiment 1, the triggering mechanism includes a roller 14, which is mounted on the insertion post 15. A movable block 10 abuts against the roller 14. The movable block 10 has an inclined surface, and a movable part 6 is fixedly connected to the movable block 10. The movable part 6 is located directly below the upper retaining ring 5. A first spring 11 is fixedly connected between the movable block 10 and the mounting cavity 8. In use, by moving the handwheel on the rotating rod 2, the movable part 6 abuts against the upper retaining ring 5, applying force to the movable part 6 and moving it downwards. When block 10 moves downward, the first spring 11 is compressed, and the inclined surface abuts against the roller 14, causing the insertion post 15 to tend to move inward. Then, the handwheel is turned, and when the insertion post 15 is aligned with the insertion hole 7, the insertion post 15 will enter the insertion hole 7, which will connect the rotating rod 2 and the handwheel. Turning the handwheel drives the rotating rod 2 to rotate. When the hand is released, under the action of the first spring 11 and the second spring 13, the moving part 6 and the insertion post 15 are reset respectively, so that the insertion post 15 disengages from the insertion hole 7. In the event of accidental contact, only the handwheel rotates, while the rotating rod 2 does not rotate.

[0025] A connecting ring 12 is fixedly connected to the insertion post 15. A second spring 13 is fixedly connected to the inner wall of the mounting cavity 8. The second spring 13 is sleeved on the insertion post 15. The second spring 13 is used to reset the insertion post 15.

[0026] Example 3: Reference Figure 1-3As another preferred embodiment of this utility model, based on embodiment 2, a sealing cover 4 is provided on the mounting cavity 8, and a through groove is provided on the sealing cover 4. The moving part 6 passes through the through groove. A threaded hole is provided on the mounting cavity 8. Multiple screws are provided at equal intervals around the circumference of the sealing cover 4. The screws are threadedly connected to the threaded hole. The sealing cover 4 is fixed by the screws so that if the internal components of the mounting cavity 8 are damaged, the screws can be loosened and the sealing cover 4 can be removed to maintain the internal components. At the same time, the through groove limits the moving part 6 so that the moving part 6 can only move in the longitudinal direction.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A stamped train handwheel, comprising a handwheel body (1), characterized in that, The handwheel body (1) is sleeved on the rotating rod (2). A lower retaining ring (3) and an upper retaining ring (5) are fixedly connected to the rotating rod (2). The handwheel body (1) is located between the lower retaining ring (3) and the upper retaining ring (5). An installation cavity (8) is provided on the handwheel body (1). An insertion post (15) is connected to the installation cavity (8) through a trigger mechanism. A through hole (9) is provided through the installation cavity (8). An insertion hole (7) is provided on the rotating rod (2). The insertion post (15) can pass through the through hole (9) and enter the insertion hole (7).

2. The stamped train handwheel according to claim 1, characterized in that, The handwheel body (1) is provided with an elastic layer.

3. A stamped train handwheel according to claim 1 or 2, characterized in that, The triggering mechanism includes a roller (14) mounted on an insertion post (15). A movable block (10) abuts against the roller (14). An inclined surface is provided on the movable block (10). A movable part (6) is fixedly connected to the movable block (10). The movable part (6) is located directly below the upper retaining ring (5). A first spring (11) is fixedly connected between the movable block (10) and the mounting cavity (8).

4. A stamped train handwheel according to claim 3, characterized in that, A sealing cover (4) is provided on the mounting cavity (8), and a through groove is provided on the sealing cover (4), through which the moving part (6) passes.

5. A stamped train handwheel according to claim 4, characterized in that, The mounting cavity (8) is provided with a threaded hole, and the sealing cover (4) is provided with a plurality of screws at equal intervals around its circumference, and the screws are threadedly connected to the threaded hole.

6. A stamped train handwheel according to claim 5, characterized in that, A connecting ring (12) is fixedly connected to the insertion post (15), and a second spring (13) is fixedly connected to the inner wall of the mounting cavity (8). The second spring (13) is sleeved on the insertion post (15).

7. A stamped train handwheel according to claim 1, characterized in that, The rotating rod (2) is provided with a wear-resistant layer.

Images