A door check hook for old k cars

Abstract

The utility model belongs to the technical field of maintenance of public works, concretely is an old K car bottom door check hook, including handle, connecting rod and hook head, the connecting rod is fixedly connected with handle, the hook head sets up at the one end of connecting rod away from handle, handle is equipped with triangle, the axial direction of hook head and the width direction of handle are perpendicular to each other. The utility model has the advantages of convenient operation and can pry the stuck ballast.

Description

Technical Field

[0001] This utility model relates to the field of engineering maintenance and repair technology; specifically, this utility model relates to an inspection hook for opening the bottom door of an old K-type vehicle. Background Technology

[0002] The transport volume of the Zhunchi Line has been increasing year by year, and the line maintenance work is extensive. Large-scale cleaning and tamping can easily cause ballast shortages on the line. Ballast unloading operations on the old K cars are relatively frequent. The method of using the inspection hook at the bottom of the old K car is to use it manually. It replaces the manual use of wooden sticks or other tools to clean the ballast and stone surface at the bottom of the old K car doors, avoiding the sudden closure of the doors due to vehicle malfunctions that could pinch the hands of the operators. The inspection hook is designed with ease of carrying and operation in mind, improving the efficiency of the inspection operation after ballast unloading, while ensuring the safety of the operators. Utility Model Content

[0003] In view of this, the present invention provides a door opening inspection hook for old K vehicles, thereby solving or at least alleviating the above-mentioned problems existing in the prior art.

[0004] To achieve the aforementioned objective, this utility model provides a door opening inspection hook for an old K-car, comprising a handle, a connecting rod, and a hook head; the connecting rod is fixedly connected to the handle, the hook head is disposed at the end of the connecting rod away from the handle, the handle is triangular in shape, and the axial direction of the hook head is perpendicular to the width direction of the handle.

[0005] In the aforementioned inspection hook for opening the door under a K-car, optionally, the hook head is fixedly connected to the connecting rod.

[0006] In the aforementioned inspection hook for opening the door under a K-car, optionally, a rotating rod is rotatably connected to the end of the connecting rod away from the handle, an extension rod is rotatably installed to the end of the rotating rod away from the connecting rod, and the hook head is fixedly installed to the end of the extension rod away from the rotating rod.

[0007] In the aforementioned inspection hook for opening the door under a K-car, optionally, a rotating shaft is rotatably mounted at the end of the connecting rod, and mounting plates are fixedly mounted on both sides of the rotating shaft. A plug rod is detachably mounted on the end of the mounting plate away from the rotating shaft.

[0008] In the aforementioned inspection hook for opening the door under a K-car, optionally, the extension rod has an insertion hole, the insertion rod can be inserted into the insertion hole, and an L-shaped contact rod is provided below the mounting plate, the end of the contact rod being rotatably mounted at the center of the mounting plate.

[0009] In the aforementioned inspection hook for opening the door under a K-car, optionally, the bottom end of the contact rod is provided with a sleeve, a telescopic rod is slidably installed inside the sleeve, a spring is sleeved on the outside of the telescopic rod, the two ends of the spring are respectively fixedly installed on the inner side of the sleeve and the end of the telescopic rod, and a sliding block is fixedly installed at the end of the telescopic rod away from the spring through the sleeve.

[0010] In the aforementioned inspection hook for opening the door under a K-car, optionally, a groove is provided at the bottom end of the connecting rod near the contact rod, and the sliding block is slidably installed in the groove.

[0011] This utility model relates to an inspection hook for opening the bottom door of an old K-type vehicle. It features an inverted triangular handle that is perpendicular to the hook, ensuring convenient operation for workers. The top of the hook is designed with a slanted tip to facilitate prying open any stuck ballast. Attached Figure Description

[0012] The disclosure of this utility model will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings:

[0013] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention;

[0014] Figure 2 This is a schematic diagram of the connection structure in the storage state in Embodiment 2 of this utility model;

[0015] Figure 3 This is a schematic diagram of the connection structure in the unfolded state in Embodiment 2 of this utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the sleeve of this utility model;

[0017] Figure 5 This is a schematic diagram of the insertion rod of this utility model.

[0018] Reference numerals: 1. Handle; 2. Connecting rod; 2-1. Slide groove; 3. Hook; 4. Rotating rod; 5. Mounting plate; 5-1. Insert rod; 6. Extension rod; 6-1. Insertion hole; 7. Contact rod; 7-1. Sleeve; 7-2. Telescopic rod; 7-3. Spring; 7-4. Sliding block. Detailed Implementation

[0019] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] like Figure 1 As shown in Embodiment 1, an inspection hook for opening the door of an old K car includes a handle 1, a connecting rod 2, and a hook head 3; the connecting rod 2 is fixedly connected to the handle 1, the hook head 3 is located at the end of the connecting rod 2 away from the handle 1, the handle 1 is triangular, and the axial direction of the hook head 3 is perpendicular to the width direction of the handle 1.

[0021] When using it, hold the triangular handle 1, insert the connecting rod 2 and hook 3 into the area above the bottom door of the old K truck that needs to be cleaned, pry or use the angled hook to clean the stone surface above the bottom door of the old K truck, and then close the bottom door of the old K truck.

[0022] The triangular handle 1 increases the area of ​​the handheld part for the worker, making the grip more stable.

[0023] The hook 3 is fixedly connected to the connecting rod 2.

[0024] The hook head 3 is fixed to the connecting rod 2, so that a stable connection can be formed between the hook head 3, the connecting rod 2 and the handle 1. At the same time, the included angle between the hook head 3 and the connecting rod 2 is designed to be sharp, which makes it easy to pry open the stuck ballast.

[0025] like Figures 2 to 5 As shown, in Embodiment 2, a rotating rod 4 is rotatably connected to the end of the connecting rod 2 away from the handle 1, and an extension rod 6 is rotatably installed at the end of the rotating rod 4 away from the connecting rod 2. The hook 3 is fixedly installed at the end of the extension rod 6 away from the rotating rod 4.

[0026] A rotating shaft is rotatably mounted on the end of the connecting rod 2. Mounting plates 5 are fixedly mounted on both sides of the rotating shaft. A plug rod 5-1 is detachably mounted on the end of the mounting plate 5 away from the rotating shaft.

[0027] An insertion hole 6-1 is provided on the extension rod 6, and the insertion rod 5-1 can be inserted into the insertion hole 6-1. An L-shaped contact rod 7 is provided below the mounting plate 5, and the end of the contact rod 7 is rotatably mounted at the center of the mounting plate 5.

[0028] The end of the insertion rod 5-1 is threaded, and the end of the insertion rod 5-1 can be threadedly connected to the end of the mounting plate 5. In use, first, the hook head 3 should face upwards, and then... Figure 2 Fold as shown, insert the plug rod 5-1 into the plug hole 6-1, and make the plug rod 5-1 and the mounting plate 5 threaded together, so that the connecting rod 2 and the hook head 3 form a stable connection, making it easy to pry or use a slanted hook to clean the ballast stone surface above the bottom door of the old K car, and then close the bottom door of the old K car.

[0029] If there are large ballast stones at the bottom opening, preventing smaller ballast stones from falling through smoothly, the weight of the ballast stones will prevent the hook 3 from inserting into them. In this case, detach the insertion rod 5-1 from the mounting plate 5, flip the hook 3 downwards, and fold the utility unit as follows. Figure 3 As shown, insert the plug 5-1 into the plug hole 6-1, so that the connecting rod 2 and the hook 3 are connected;

[0030] Next, insert the hook 3 into the undercarriage through the opening on the side of the ballast stone and push the connecting rod 2 upward. The connecting rod 2 drives the contact rod 7 to move upward. When the contact rod 7 contacts the larger ballast stone below, it is blocked, which limits the height of the end of the contact rod 7 at the center of the mounting plate 5. This causes the connecting rod 2 to drive one end of the rotating rod 4 to rotate. When the rotating rod 4 rotates, it can drive the extension rod 6 to deflect downward. Since the ballast stone above does not need to overcome its gravity, it is easier to clear the blockage. The ballast stone is then pushed by the extension rod 6 to the opening and falls down. After the small ballast stones on the larger ballast stone are cleared, switch the device to... Figure 2 In this state, larger ballast stones are pried or hooked out at an angle;

[0031] Meanwhile, when prying the ballast, the end of the contact rod 7 can serve as a fulcrum, making the prying more stable and facilitating the prying out of larger ballast stones.

[0032] When the mounting plate 5 and the rotating rod 4 are in a cross state, the connecting rod 2 and the extension rod 6 can form a stable connection, increasing rigidity. When the mounting plate 5 and the rotating rod 4 are in a parallel state, they can form a parallelogram, which makes it easy for both the connecting rod 2 and the extension rod 6 to move in a vertical state.

[0033] The bottom end of the contact rod 7 is provided with a sleeve 7-1. A telescopic rod 7-2 is slidably installed inside the sleeve 7-1. A spring 7-3 is sleeved on the outside of the telescopic rod 7-2. The two ends of the spring 7-3 are respectively fixedly installed on the inner side of the sleeve 7-1 and the end of the telescopic rod 7-2. The end of the telescopic rod 7-2 away from the spring 7-3 passes through the sleeve 7-1 and is fixedly installed with a sliding block 7-4.

[0034] When spring 7-3 is not under force, it is in a compressed state, causing the ends of extension rod 6 and connecting rod 2 to be at the same height. When contact rod 7 contacts the ballast, it pushes connecting rod 2 upward, causing extension rod 6 and connecting rod 2 to rotate in a vertical state and stretch spring 7-3, allowing smaller ballast to be hooked out by extension rod 6 and hook 3. After releasing connecting rod 2, spring 7-3 drives connecting rod 2 and extension rod 6 back to their original positions, and then pushes connecting rod 2 again, causing extension rod 6 to continue cleaning ballast. By pushing connecting rod 2 multiple times, the purpose of cleaning ballast is achieved. At the same time, sleeve 7-1 can protect spring 7-3 and telescopic rod 7-2, increasing the service life of the device.

[0035] A groove 2-1 is provided at the bottom end of the connecting rod 2 near the contact rod 7, and the sliding block 7-4 is slidably installed in the groove 2-1.

[0036] In this application Figure 2 status and Figure 3 When switching between states, the sliding block 7-4 can slide in the groove 2-1, so that the contact rod 7 can remain in a vertical state. When the connecting rod 2 and the extension rod 6 move, the extension rod 6 can maintain a vertical state through the telescopic rod 7-2.

[0037] Compared to Example 1, Example 2 has the ability to clear ballast from above when encountering ballast that cannot be cleared, ensuring that the pressure on the ballast below can be reduced, so that all the ballast can fall completely from under the vehicle.

[0038] The technical scope of this utility model is not limited to the contents of the above description. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the scope of this utility model.

Claims

1. A hook for inspecting the undercarriage door of an old K-car, characterized in that, It includes a handle (1), a connecting rod (2), and a hook (3); the connecting rod (2) is fixedly connected to the handle (1), the hook (3) is located at the end of the connecting rod (2) away from the handle (1), the handle (1) is triangular, and the axial direction of the hook (3) is perpendicular to the width direction of the handle (1).

2. The undercarriage door inspection hook as described in claim 1, characterized in that, The hook (3) is fixedly connected to the connecting rod (2).

3. The undercarriage door inspection hook as described in claim 1, characterized in that, The connecting rod (2) is rotatably connected to a rotating rod (4) at the end away from the handle (1), and an extension rod (6) is rotatably installed at the end of the rotating rod (4) away from the connecting rod (2). The hook (3) is fixedly installed at the end of the extension rod (6) away from the rotating rod (4).

4. The undercarriage door inspection hook as described in claim 3, characterized in that, The end of the connecting rod (2) is rotatably mounted with a rotating shaft, and mounting plates (5) are fixedly mounted on both sides of the rotating shaft. A plug rod (5-1) is detachably mounted on the end of the mounting plate (5) away from the rotating shaft.

5. The undercarriage door inspection hook as described in claim 4, characterized in that, The extension rod (6) has a socket (6-1) and the insertion rod (5-1) can be inserted into the socket (6-1). The mounting plate (5) has an L-shaped contact rod (7) below it and the end of the contact rod (7) is rotatably mounted at the center of the mounting plate (5).

6. The undercarriage door inspection hook as described in claim 5, characterized in that, The bottom end of the contact rod (7) is provided with a sleeve (7-1). A telescopic rod (7-2) is slidably installed inside the sleeve (7-1). A spring (7-3) is sleeved on the outside of the telescopic rod (7-2). The two ends of the spring (7-3) are respectively fixedly installed on the inner side of the sleeve (7-1) and the end of the telescopic rod (7-2). The end of the telescopic rod (7-2) away from the spring (7-3) passes through the sleeve (7-1) and is fixedly installed with a sliding block (7-4).

7. The undercarriage door inspection hook as described in claim 6, characterized in that, The bottom end of the connecting rod (2) is provided with a groove (2-1) on the side near the contact rod (7), and the sliding block (7-4) is slidably installed in the groove (2-1).

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